diff options
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlxsw/spectrum.c')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlxsw/spectrum.c | 6061 |
1 files changed, 3523 insertions, 2538 deletions
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c index 60bf8f27cc00..9a2d64a0a858 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c @@ -1,38 +1,5 @@ -/* - * drivers/net/ethernet/mellanox/mlxsw/spectrum.c - * Copyright (c) 2015-2017 Mellanox Technologies. All rights reserved. - * Copyright (c) 2015-2017 Jiri Pirko <jiri@mellanox.com> - * Copyright (c) 2015 Ido Schimmel <idosch@mellanox.com> - * Copyright (c) 2015 Elad Raz <eladr@mellanox.com> - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. Neither the names of the copyright holders nor the names of its - * contributors may be used to endorse or promote products derived from - * this software without specific prior written permission. - * - * Alternatively, this software may be distributed under the terms of the - * GNU General Public License ("GPL") version 2 as published by the Free - * Software Foundation. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE - * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - */ +// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 +/* Copyright (c) 2015-2018 Mellanox Technologies. All rights reserved */ #include <linux/kernel.h> #include <linux/module.h> @@ -53,340 +20,111 @@ #include <linux/notifier.h> #include <linux/dcbnl.h> #include <linux/inetdevice.h> +#include <linux/netlink.h> +#include <linux/jhash.h> +#include <linux/log2.h> +#include <linux/refcount.h> +#include <linux/rhashtable.h> #include <net/switchdev.h> #include <net/pkt_cls.h> -#include <net/tc_act/tc_mirred.h> #include <net/netevent.h> -#include <net/tc_act/tc_sample.h> +#include <net/addrconf.h> +#include <linux/ptp_classify.h> #include "spectrum.h" #include "pci.h" #include "core.h" +#include "core_env.h" #include "reg.h" #include "port.h" #include "trap.h" #include "txheader.h" #include "spectrum_cnt.h" #include "spectrum_dpipe.h" -#include "../mlxfw/mlxfw.h" - -#define MLXSW_FWREV_MAJOR 13 -#define MLXSW_FWREV_MINOR 1420 -#define MLXSW_FWREV_SUBMINOR 122 - -static const struct mlxsw_fw_rev mlxsw_sp_supported_fw_rev = { - .major = MLXSW_FWREV_MAJOR, - .minor = MLXSW_FWREV_MINOR, - .subminor = MLXSW_FWREV_SUBMINOR +#include "spectrum_acl_flex_actions.h" +#include "spectrum_span.h" +#include "spectrum_ptp.h" +#include "spectrum_trap.h" + +#define MLXSW_SP_FWREV_MINOR 2010 +#define MLXSW_SP_FWREV_SUBMINOR 1006 + +#define MLXSW_SP1_FWREV_MAJOR 13 +#define MLXSW_SP1_FWREV_CAN_RESET_MINOR 1702 + +static const struct mlxsw_fw_rev mlxsw_sp1_fw_rev = { + .major = MLXSW_SP1_FWREV_MAJOR, + .minor = MLXSW_SP_FWREV_MINOR, + .subminor = MLXSW_SP_FWREV_SUBMINOR, + .can_reset_minor = MLXSW_SP1_FWREV_CAN_RESET_MINOR, }; -#define MLXSW_SP_FW_FILENAME \ - "mellanox/mlxsw_spectrum-" __stringify(MLXSW_FWREV_MAJOR) \ - "." __stringify(MLXSW_FWREV_MINOR) \ - "." __stringify(MLXSW_FWREV_SUBMINOR) ".mfa2" - -static const char mlxsw_sp_driver_name[] = "mlxsw_spectrum"; -static const char mlxsw_sp_driver_version[] = "1.0"; - -/* tx_hdr_version - * Tx header version. - * Must be set to 1. - */ -MLXSW_ITEM32(tx, hdr, version, 0x00, 28, 4); - -/* tx_hdr_ctl - * Packet control type. - * 0 - Ethernet control (e.g. EMADs, LACP) - * 1 - Ethernet data - */ -MLXSW_ITEM32(tx, hdr, ctl, 0x00, 26, 2); - -/* tx_hdr_proto - * Packet protocol type. Must be set to 1 (Ethernet). - */ -MLXSW_ITEM32(tx, hdr, proto, 0x00, 21, 3); - -/* tx_hdr_rx_is_router - * Packet is sent from the router. Valid for data packets only. - */ -MLXSW_ITEM32(tx, hdr, rx_is_router, 0x00, 19, 1); - -/* tx_hdr_fid_valid - * Indicates if the 'fid' field is valid and should be used for - * forwarding lookup. Valid for data packets only. - */ -MLXSW_ITEM32(tx, hdr, fid_valid, 0x00, 16, 1); - -/* tx_hdr_swid - * Switch partition ID. Must be set to 0. - */ -MLXSW_ITEM32(tx, hdr, swid, 0x00, 12, 3); - -/* tx_hdr_control_tclass - * Indicates if the packet should use the control TClass and not one - * of the data TClasses. - */ -MLXSW_ITEM32(tx, hdr, control_tclass, 0x00, 6, 1); +#define MLXSW_SP1_FW_FILENAME \ + "mellanox/mlxsw_spectrum-" __stringify(MLXSW_SP1_FWREV_MAJOR) \ + "." __stringify(MLXSW_SP_FWREV_MINOR) \ + "." __stringify(MLXSW_SP_FWREV_SUBMINOR) ".mfa2" -/* tx_hdr_etclass - * Egress TClass to be used on the egress device on the egress port. - */ -MLXSW_ITEM32(tx, hdr, etclass, 0x00, 0, 4); - -/* tx_hdr_port_mid - * Destination local port for unicast packets. - * Destination multicast ID for multicast packets. - * - * Control packets are directed to a specific egress port, while data - * packets are transmitted through the CPU port (0) into the switch partition, - * where forwarding rules are applied. - */ -MLXSW_ITEM32(tx, hdr, port_mid, 0x04, 16, 16); - -/* tx_hdr_fid - * Forwarding ID used for L2 forwarding lookup. Valid only if 'fid_valid' is - * set, otherwise calculated based on the packet's VID using VID to FID mapping. - * Valid for data packets only. - */ -MLXSW_ITEM32(tx, hdr, fid, 0x08, 0, 16); +#define MLXSW_SP2_FWREV_MAJOR 29 -/* tx_hdr_type - * 0 - Data packets - * 6 - Control packets - */ -MLXSW_ITEM32(tx, hdr, type, 0x0C, 0, 4); - -struct mlxsw_sp_mlxfw_dev { - struct mlxfw_dev mlxfw_dev; - struct mlxsw_sp *mlxsw_sp; +static const struct mlxsw_fw_rev mlxsw_sp2_fw_rev = { + .major = MLXSW_SP2_FWREV_MAJOR, + .minor = MLXSW_SP_FWREV_MINOR, + .subminor = MLXSW_SP_FWREV_SUBMINOR, }; -static int mlxsw_sp_component_query(struct mlxfw_dev *mlxfw_dev, - u16 component_index, u32 *p_max_size, - u8 *p_align_bits, u16 *p_max_write_size) -{ - struct mlxsw_sp_mlxfw_dev *mlxsw_sp_mlxfw_dev = - container_of(mlxfw_dev, struct mlxsw_sp_mlxfw_dev, mlxfw_dev); - struct mlxsw_sp *mlxsw_sp = mlxsw_sp_mlxfw_dev->mlxsw_sp; - char mcqi_pl[MLXSW_REG_MCQI_LEN]; - int err; - - mlxsw_reg_mcqi_pack(mcqi_pl, component_index); - err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(mcqi), mcqi_pl); - if (err) - return err; - mlxsw_reg_mcqi_unpack(mcqi_pl, p_max_size, p_align_bits, - p_max_write_size); +#define MLXSW_SP2_FW_FILENAME \ + "mellanox/mlxsw_spectrum2-" __stringify(MLXSW_SP2_FWREV_MAJOR) \ + "." __stringify(MLXSW_SP_FWREV_MINOR) \ + "." __stringify(MLXSW_SP_FWREV_SUBMINOR) ".mfa2" - *p_align_bits = max_t(u8, *p_align_bits, 2); - *p_max_write_size = min_t(u16, *p_max_write_size, - MLXSW_REG_MCDA_MAX_DATA_LEN); - return 0; -} +#define MLXSW_SP3_FWREV_MAJOR 30 -static int mlxsw_sp_fsm_lock(struct mlxfw_dev *mlxfw_dev, u32 *fwhandle) -{ - struct mlxsw_sp_mlxfw_dev *mlxsw_sp_mlxfw_dev = - container_of(mlxfw_dev, struct mlxsw_sp_mlxfw_dev, mlxfw_dev); - struct mlxsw_sp *mlxsw_sp = mlxsw_sp_mlxfw_dev->mlxsw_sp; - char mcc_pl[MLXSW_REG_MCC_LEN]; - u8 control_state; - int err; - - mlxsw_reg_mcc_pack(mcc_pl, 0, 0, 0, 0); - err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(mcc), mcc_pl); - if (err) - return err; - - mlxsw_reg_mcc_unpack(mcc_pl, fwhandle, NULL, &control_state); - if (control_state != MLXFW_FSM_STATE_IDLE) - return -EBUSY; - - mlxsw_reg_mcc_pack(mcc_pl, - MLXSW_REG_MCC_INSTRUCTION_LOCK_UPDATE_HANDLE, - 0, *fwhandle, 0); - return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(mcc), mcc_pl); -} - -static int mlxsw_sp_fsm_component_update(struct mlxfw_dev *mlxfw_dev, - u32 fwhandle, u16 component_index, - u32 component_size) -{ - struct mlxsw_sp_mlxfw_dev *mlxsw_sp_mlxfw_dev = - container_of(mlxfw_dev, struct mlxsw_sp_mlxfw_dev, mlxfw_dev); - struct mlxsw_sp *mlxsw_sp = mlxsw_sp_mlxfw_dev->mlxsw_sp; - char mcc_pl[MLXSW_REG_MCC_LEN]; - - mlxsw_reg_mcc_pack(mcc_pl, MLXSW_REG_MCC_INSTRUCTION_UPDATE_COMPONENT, - component_index, fwhandle, component_size); - return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(mcc), mcc_pl); -} - -static int mlxsw_sp_fsm_block_download(struct mlxfw_dev *mlxfw_dev, - u32 fwhandle, u8 *data, u16 size, - u32 offset) -{ - struct mlxsw_sp_mlxfw_dev *mlxsw_sp_mlxfw_dev = - container_of(mlxfw_dev, struct mlxsw_sp_mlxfw_dev, mlxfw_dev); - struct mlxsw_sp *mlxsw_sp = mlxsw_sp_mlxfw_dev->mlxsw_sp; - char mcda_pl[MLXSW_REG_MCDA_LEN]; - - mlxsw_reg_mcda_pack(mcda_pl, fwhandle, offset, size, data); - return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(mcda), mcda_pl); -} - -static int mlxsw_sp_fsm_component_verify(struct mlxfw_dev *mlxfw_dev, - u32 fwhandle, u16 component_index) -{ - struct mlxsw_sp_mlxfw_dev *mlxsw_sp_mlxfw_dev = - container_of(mlxfw_dev, struct mlxsw_sp_mlxfw_dev, mlxfw_dev); - struct mlxsw_sp *mlxsw_sp = mlxsw_sp_mlxfw_dev->mlxsw_sp; - char mcc_pl[MLXSW_REG_MCC_LEN]; - - mlxsw_reg_mcc_pack(mcc_pl, MLXSW_REG_MCC_INSTRUCTION_VERIFY_COMPONENT, - component_index, fwhandle, 0); - return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(mcc), mcc_pl); -} - -static int mlxsw_sp_fsm_activate(struct mlxfw_dev *mlxfw_dev, u32 fwhandle) -{ - struct mlxsw_sp_mlxfw_dev *mlxsw_sp_mlxfw_dev = - container_of(mlxfw_dev, struct mlxsw_sp_mlxfw_dev, mlxfw_dev); - struct mlxsw_sp *mlxsw_sp = mlxsw_sp_mlxfw_dev->mlxsw_sp; - char mcc_pl[MLXSW_REG_MCC_LEN]; - - mlxsw_reg_mcc_pack(mcc_pl, MLXSW_REG_MCC_INSTRUCTION_ACTIVATE, 0, - fwhandle, 0); - return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(mcc), mcc_pl); -} - -static int mlxsw_sp_fsm_query_state(struct mlxfw_dev *mlxfw_dev, u32 fwhandle, - enum mlxfw_fsm_state *fsm_state, - enum mlxfw_fsm_state_err *fsm_state_err) -{ - struct mlxsw_sp_mlxfw_dev *mlxsw_sp_mlxfw_dev = - container_of(mlxfw_dev, struct mlxsw_sp_mlxfw_dev, mlxfw_dev); - struct mlxsw_sp *mlxsw_sp = mlxsw_sp_mlxfw_dev->mlxsw_sp; - char mcc_pl[MLXSW_REG_MCC_LEN]; - u8 control_state; - u8 error_code; - int err; - - mlxsw_reg_mcc_pack(mcc_pl, 0, 0, fwhandle, 0); - err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(mcc), mcc_pl); - if (err) - return err; - - mlxsw_reg_mcc_unpack(mcc_pl, NULL, &error_code, &control_state); - *fsm_state = control_state; - *fsm_state_err = min_t(enum mlxfw_fsm_state_err, error_code, - MLXFW_FSM_STATE_ERR_MAX); - return 0; -} - -static void mlxsw_sp_fsm_cancel(struct mlxfw_dev *mlxfw_dev, u32 fwhandle) -{ - struct mlxsw_sp_mlxfw_dev *mlxsw_sp_mlxfw_dev = - container_of(mlxfw_dev, struct mlxsw_sp_mlxfw_dev, mlxfw_dev); - struct mlxsw_sp *mlxsw_sp = mlxsw_sp_mlxfw_dev->mlxsw_sp; - char mcc_pl[MLXSW_REG_MCC_LEN]; - - mlxsw_reg_mcc_pack(mcc_pl, MLXSW_REG_MCC_INSTRUCTION_CANCEL, 0, - fwhandle, 0); - mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(mcc), mcc_pl); -} - -static void mlxsw_sp_fsm_release(struct mlxfw_dev *mlxfw_dev, u32 fwhandle) -{ - struct mlxsw_sp_mlxfw_dev *mlxsw_sp_mlxfw_dev = - container_of(mlxfw_dev, struct mlxsw_sp_mlxfw_dev, mlxfw_dev); - struct mlxsw_sp *mlxsw_sp = mlxsw_sp_mlxfw_dev->mlxsw_sp; - char mcc_pl[MLXSW_REG_MCC_LEN]; - - mlxsw_reg_mcc_pack(mcc_pl, - MLXSW_REG_MCC_INSTRUCTION_RELEASE_UPDATE_HANDLE, 0, - fwhandle, 0); - mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(mcc), mcc_pl); -} - -static const struct mlxfw_dev_ops mlxsw_sp_mlxfw_dev_ops = { - .component_query = mlxsw_sp_component_query, - .fsm_lock = mlxsw_sp_fsm_lock, - .fsm_component_update = mlxsw_sp_fsm_component_update, - .fsm_block_download = mlxsw_sp_fsm_block_download, - .fsm_component_verify = mlxsw_sp_fsm_component_verify, - .fsm_activate = mlxsw_sp_fsm_activate, - .fsm_query_state = mlxsw_sp_fsm_query_state, - .fsm_cancel = mlxsw_sp_fsm_cancel, - .fsm_release = mlxsw_sp_fsm_release +static const struct mlxsw_fw_rev mlxsw_sp3_fw_rev = { + .major = MLXSW_SP3_FWREV_MAJOR, + .minor = MLXSW_SP_FWREV_MINOR, + .subminor = MLXSW_SP_FWREV_SUBMINOR, }; -static int mlxsw_sp_firmware_flash(struct mlxsw_sp *mlxsw_sp, - const struct firmware *firmware) -{ - struct mlxsw_sp_mlxfw_dev mlxsw_sp_mlxfw_dev = { - .mlxfw_dev = { - .ops = &mlxsw_sp_mlxfw_dev_ops, - .psid = mlxsw_sp->bus_info->psid, - .psid_size = strlen(mlxsw_sp->bus_info->psid), - }, - .mlxsw_sp = mlxsw_sp - }; +#define MLXSW_SP3_FW_FILENAME \ + "mellanox/mlxsw_spectrum3-" __stringify(MLXSW_SP3_FWREV_MAJOR) \ + "." __stringify(MLXSW_SP_FWREV_MINOR) \ + "." __stringify(MLXSW_SP_FWREV_SUBMINOR) ".mfa2" - return mlxfw_firmware_flash(&mlxsw_sp_mlxfw_dev.mlxfw_dev, firmware); -} - -static bool mlxsw_sp_fw_rev_ge(const struct mlxsw_fw_rev *a, - const struct mlxsw_fw_rev *b) -{ - if (a->major != b->major) - return a->major > b->major; - if (a->minor != b->minor) - return a->minor > b->minor; - return a->subminor >= b->subminor; -} +#define MLXSW_SP_LINECARDS_INI_BUNDLE_FILENAME \ + "mellanox/lc_ini_bundle_" \ + __stringify(MLXSW_SP_FWREV_MINOR) "_" \ + __stringify(MLXSW_SP_FWREV_SUBMINOR) ".bin" -static int mlxsw_sp_fw_rev_validate(struct mlxsw_sp *mlxsw_sp) -{ - const struct mlxsw_fw_rev *rev = &mlxsw_sp->bus_info->fw_rev; - const struct firmware *firmware; - int err; - - if (mlxsw_sp_fw_rev_ge(rev, &mlxsw_sp_supported_fw_rev)) - return 0; +static const char mlxsw_sp1_driver_name[] = "mlxsw_spectrum"; +static const char mlxsw_sp2_driver_name[] = "mlxsw_spectrum2"; +static const char mlxsw_sp3_driver_name[] = "mlxsw_spectrum3"; +static const char mlxsw_sp4_driver_name[] = "mlxsw_spectrum4"; - dev_info(mlxsw_sp->bus_info->dev, "The firmware version %d.%d.%d out of data\n", - rev->major, rev->minor, rev->subminor); - dev_info(mlxsw_sp->bus_info->dev, "Upgrading firmware using file %s\n", - MLXSW_SP_FW_FILENAME); - - err = request_firmware_direct(&firmware, MLXSW_SP_FW_FILENAME, - mlxsw_sp->bus_info->dev); - if (err) { - dev_err(mlxsw_sp->bus_info->dev, "Could not request firmware file %s\n", - MLXSW_SP_FW_FILENAME); - return err; - } - - err = mlxsw_sp_firmware_flash(mlxsw_sp, firmware); - release_firmware(firmware); - return err; -} +static const unsigned char mlxsw_sp1_mac_mask[ETH_ALEN] = { + 0xff, 0xff, 0xff, 0xff, 0xfc, 0x00 +}; +static const unsigned char mlxsw_sp2_mac_mask[ETH_ALEN] = { + 0xff, 0xff, 0xff, 0xff, 0xf0, 0x00 +}; int mlxsw_sp_flow_counter_get(struct mlxsw_sp *mlxsw_sp, - unsigned int counter_index, u64 *packets, - u64 *bytes) + unsigned int counter_index, bool clear, + u64 *packets, u64 *bytes) { + enum mlxsw_reg_mgpc_opcode op = clear ? MLXSW_REG_MGPC_OPCODE_CLEAR : + MLXSW_REG_MGPC_OPCODE_NOP; char mgpc_pl[MLXSW_REG_MGPC_LEN]; int err; - mlxsw_reg_mgpc_pack(mgpc_pl, counter_index, MLXSW_REG_MGPC_OPCODE_NOP, - MLXSW_REG_MGPC_COUNTER_SET_TYPE_PACKETS_BYTES); + mlxsw_reg_mgpc_pack(mgpc_pl, counter_index, op, + MLXSW_REG_FLOW_COUNTER_SET_TYPE_PACKETS_BYTES); err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(mgpc), mgpc_pl); if (err) return err; - *packets = mlxsw_reg_mgpc_packet_counter_get(mgpc_pl); - *bytes = mlxsw_reg_mgpc_byte_counter_get(mgpc_pl); + if (packets) + *packets = mlxsw_reg_mgpc_packet_counter_get(mgpc_pl); + if (bytes) + *bytes = mlxsw_reg_mgpc_byte_counter_get(mgpc_pl); return 0; } @@ -396,7 +134,7 @@ static int mlxsw_sp_flow_counter_clear(struct mlxsw_sp *mlxsw_sp, char mgpc_pl[MLXSW_REG_MGPC_LEN]; mlxsw_reg_mgpc_pack(mgpc_pl, counter_index, MLXSW_REG_MGPC_OPCODE_CLEAR, - MLXSW_REG_MGPC_COUNTER_SET_TYPE_PACKETS_BYTES); + MLXSW_REG_FLOW_COUNTER_SET_TYPE_PACKETS_BYTES); return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(mgpc), mgpc_pl); } @@ -427,45 +165,85 @@ void mlxsw_sp_flow_counter_free(struct mlxsw_sp *mlxsw_sp, counter_index); } -static void mlxsw_sp_txhdr_construct(struct sk_buff *skb, - const struct mlxsw_tx_info *tx_info) +static bool mlxsw_sp_skb_requires_ts(struct sk_buff *skb) { - char *txhdr = skb_push(skb, MLXSW_TXHDR_LEN); + unsigned int type; - memset(txhdr, 0, MLXSW_TXHDR_LEN); + if (!(skb_shinfo(skb)->tx_flags & SKBTX_HW_TSTAMP)) + return false; - mlxsw_tx_hdr_version_set(txhdr, MLXSW_TXHDR_VERSION_1); - mlxsw_tx_hdr_ctl_set(txhdr, MLXSW_TXHDR_ETH_CTL); - mlxsw_tx_hdr_proto_set(txhdr, MLXSW_TXHDR_PROTO_ETH); - mlxsw_tx_hdr_swid_set(txhdr, 0); - mlxsw_tx_hdr_control_tclass_set(txhdr, 1); - mlxsw_tx_hdr_port_mid_set(txhdr, tx_info->local_port); - mlxsw_tx_hdr_type_set(txhdr, MLXSW_TXHDR_TYPE_CONTROL); + type = ptp_classify_raw(skb); + return !!ptp_parse_header(skb, type); } -int mlxsw_sp_port_vid_stp_set(struct mlxsw_sp_port *mlxsw_sp_port, u16 vid, - u8 state) +static void mlxsw_sp_txhdr_info_data_init(struct mlxsw_core *mlxsw_core, + struct sk_buff *skb, + struct mlxsw_txhdr_info *txhdr_info) { - struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; - enum mlxsw_reg_spms_state spms_state; - char *spms_pl; - int err; + /* Resource validation was done as part of PTP init. */ + u16 max_fid = MLXSW_CORE_RES_GET(mlxsw_core, FID); + txhdr_info->data = true; + txhdr_info->max_fid = max_fid; +} + +static struct sk_buff * +mlxsw_sp_vlan_tag_push(struct mlxsw_sp *mlxsw_sp, struct sk_buff *skb) +{ + /* In some Spectrum ASICs, in order for PTP event packets to have their + * correction field correctly set on the egress port they must be + * transmitted as data packets. Such packets ingress the ASIC via the + * CPU port and must have a VLAN tag, as the CPU port is not configured + * with a PVID. Push the default VLAN (4095), which is configured as + * egress untagged on all the ports. + */ + if (skb_vlan_tagged(skb)) + return skb; + + return vlan_insert_tag_set_proto(skb, htons(ETH_P_8021Q), + MLXSW_SP_DEFAULT_VID); +} + +static struct sk_buff * +mlxsw_sp_txhdr_preparations(struct mlxsw_sp *mlxsw_sp, struct sk_buff *skb, + struct mlxsw_txhdr_info *txhdr_info) +{ + if (likely(!mlxsw_sp_skb_requires_ts(skb))) + return skb; + + if (!mlxsw_sp->ptp_ops->tx_as_data) + return skb; + + /* Special handling for PTP events that require a time stamp and cannot + * be transmitted as regular control packets. + */ + mlxsw_sp_txhdr_info_data_init(mlxsw_sp->core, skb, txhdr_info); + return mlxsw_sp_vlan_tag_push(mlxsw_sp, skb); +} + +enum mlxsw_reg_spms_state mlxsw_sp_stp_spms_state(u8 state) +{ switch (state) { case BR_STATE_FORWARDING: - spms_state = MLXSW_REG_SPMS_STATE_FORWARDING; - break; + return MLXSW_REG_SPMS_STATE_FORWARDING; case BR_STATE_LEARNING: - spms_state = MLXSW_REG_SPMS_STATE_LEARNING; - break; - case BR_STATE_LISTENING: /* fall-through */ - case BR_STATE_DISABLED: /* fall-through */ + return MLXSW_REG_SPMS_STATE_LEARNING; + case BR_STATE_LISTENING: + case BR_STATE_DISABLED: case BR_STATE_BLOCKING: - spms_state = MLXSW_REG_SPMS_STATE_DISCARDING; - break; + return MLXSW_REG_SPMS_STATE_DISCARDING; default: BUG(); } +} + +int mlxsw_sp_port_vid_stp_set(struct mlxsw_sp_port *mlxsw_sp_port, u16 vid, + u8 state) +{ + enum mlxsw_reg_spms_state spms_state = mlxsw_sp_stp_spms_state(state); + struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; + char *spms_pl; + int err; spms_pl = kmalloc(MLXSW_REG_SPMS_LEN, GFP_KERNEL); if (!spms_pl) @@ -490,324 +268,8 @@ static int mlxsw_sp_base_mac_get(struct mlxsw_sp *mlxsw_sp) return 0; } -static int mlxsw_sp_span_init(struct mlxsw_sp *mlxsw_sp) -{ - int i; - - if (!MLXSW_CORE_RES_VALID(mlxsw_sp->core, MAX_SPAN)) - return -EIO; - - mlxsw_sp->span.entries_count = MLXSW_CORE_RES_GET(mlxsw_sp->core, - MAX_SPAN); - mlxsw_sp->span.entries = kcalloc(mlxsw_sp->span.entries_count, - sizeof(struct mlxsw_sp_span_entry), - GFP_KERNEL); - if (!mlxsw_sp->span.entries) - return -ENOMEM; - - for (i = 0; i < mlxsw_sp->span.entries_count; i++) - INIT_LIST_HEAD(&mlxsw_sp->span.entries[i].bound_ports_list); - - return 0; -} - -static void mlxsw_sp_span_fini(struct mlxsw_sp *mlxsw_sp) -{ - int i; - - for (i = 0; i < mlxsw_sp->span.entries_count; i++) { - struct mlxsw_sp_span_entry *curr = &mlxsw_sp->span.entries[i]; - - WARN_ON_ONCE(!list_empty(&curr->bound_ports_list)); - } - kfree(mlxsw_sp->span.entries); -} - -static struct mlxsw_sp_span_entry * -mlxsw_sp_span_entry_create(struct mlxsw_sp_port *port) -{ - struct mlxsw_sp *mlxsw_sp = port->mlxsw_sp; - struct mlxsw_sp_span_entry *span_entry; - char mpat_pl[MLXSW_REG_MPAT_LEN]; - u8 local_port = port->local_port; - int index; - int i; - int err; - - /* find a free entry to use */ - index = -1; - for (i = 0; i < mlxsw_sp->span.entries_count; i++) { - if (!mlxsw_sp->span.entries[i].used) { - index = i; - span_entry = &mlxsw_sp->span.entries[i]; - break; - } - } - if (index < 0) - return NULL; - - /* create a new port analayzer entry for local_port */ - mlxsw_reg_mpat_pack(mpat_pl, index, local_port, true); - err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(mpat), mpat_pl); - if (err) - return NULL; - - span_entry->used = true; - span_entry->id = index; - span_entry->ref_count = 1; - span_entry->local_port = local_port; - return span_entry; -} - -static void mlxsw_sp_span_entry_destroy(struct mlxsw_sp *mlxsw_sp, - struct mlxsw_sp_span_entry *span_entry) -{ - u8 local_port = span_entry->local_port; - char mpat_pl[MLXSW_REG_MPAT_LEN]; - int pa_id = span_entry->id; - - mlxsw_reg_mpat_pack(mpat_pl, pa_id, local_port, false); - mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(mpat), mpat_pl); - span_entry->used = false; -} - -static struct mlxsw_sp_span_entry * -mlxsw_sp_span_entry_find(struct mlxsw_sp_port *port) -{ - struct mlxsw_sp *mlxsw_sp = port->mlxsw_sp; - int i; - - for (i = 0; i < mlxsw_sp->span.entries_count; i++) { - struct mlxsw_sp_span_entry *curr = &mlxsw_sp->span.entries[i]; - - if (curr->used && curr->local_port == port->local_port) - return curr; - } - return NULL; -} - -static struct mlxsw_sp_span_entry -*mlxsw_sp_span_entry_get(struct mlxsw_sp_port *port) -{ - struct mlxsw_sp_span_entry *span_entry; - - span_entry = mlxsw_sp_span_entry_find(port); - if (span_entry) { - /* Already exists, just take a reference */ - span_entry->ref_count++; - return span_entry; - } - - return mlxsw_sp_span_entry_create(port); -} - -static int mlxsw_sp_span_entry_put(struct mlxsw_sp *mlxsw_sp, - struct mlxsw_sp_span_entry *span_entry) -{ - WARN_ON(!span_entry->ref_count); - if (--span_entry->ref_count == 0) - mlxsw_sp_span_entry_destroy(mlxsw_sp, span_entry); - return 0; -} - -static bool mlxsw_sp_span_is_egress_mirror(struct mlxsw_sp_port *port) -{ - struct mlxsw_sp *mlxsw_sp = port->mlxsw_sp; - struct mlxsw_sp_span_inspected_port *p; - int i; - - for (i = 0; i < mlxsw_sp->span.entries_count; i++) { - struct mlxsw_sp_span_entry *curr = &mlxsw_sp->span.entries[i]; - - list_for_each_entry(p, &curr->bound_ports_list, list) - if (p->local_port == port->local_port && - p->type == MLXSW_SP_SPAN_EGRESS) - return true; - } - - return false; -} - -static int mlxsw_sp_span_mtu_to_buffsize(const struct mlxsw_sp *mlxsw_sp, - int mtu) -{ - return mlxsw_sp_bytes_cells(mlxsw_sp, mtu * 5 / 2) + 1; -} - -static int mlxsw_sp_span_port_mtu_update(struct mlxsw_sp_port *port, u16 mtu) -{ - struct mlxsw_sp *mlxsw_sp = port->mlxsw_sp; - char sbib_pl[MLXSW_REG_SBIB_LEN]; - int err; - - /* If port is egress mirrored, the shared buffer size should be - * updated according to the mtu value - */ - if (mlxsw_sp_span_is_egress_mirror(port)) { - u32 buffsize = mlxsw_sp_span_mtu_to_buffsize(mlxsw_sp, mtu); - - mlxsw_reg_sbib_pack(sbib_pl, port->local_port, buffsize); - err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sbib), sbib_pl); - if (err) { - netdev_err(port->dev, "Could not update shared buffer for mirroring\n"); - return err; - } - } - - return 0; -} - -static struct mlxsw_sp_span_inspected_port * -mlxsw_sp_span_entry_bound_port_find(struct mlxsw_sp_port *port, - struct mlxsw_sp_span_entry *span_entry) -{ - struct mlxsw_sp_span_inspected_port *p; - - list_for_each_entry(p, &span_entry->bound_ports_list, list) - if (port->local_port == p->local_port) - return p; - return NULL; -} - -static int -mlxsw_sp_span_inspected_port_bind(struct mlxsw_sp_port *port, - struct mlxsw_sp_span_entry *span_entry, - enum mlxsw_sp_span_type type) -{ - struct mlxsw_sp_span_inspected_port *inspected_port; - struct mlxsw_sp *mlxsw_sp = port->mlxsw_sp; - char mpar_pl[MLXSW_REG_MPAR_LEN]; - char sbib_pl[MLXSW_REG_SBIB_LEN]; - int pa_id = span_entry->id; - int err; - - /* if it is an egress SPAN, bind a shared buffer to it */ - if (type == MLXSW_SP_SPAN_EGRESS) { - u32 buffsize = mlxsw_sp_span_mtu_to_buffsize(mlxsw_sp, - port->dev->mtu); - - mlxsw_reg_sbib_pack(sbib_pl, port->local_port, buffsize); - err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sbib), sbib_pl); - if (err) { - netdev_err(port->dev, "Could not create shared buffer for mirroring\n"); - return err; - } - } - - /* bind the port to the SPAN entry */ - mlxsw_reg_mpar_pack(mpar_pl, port->local_port, - (enum mlxsw_reg_mpar_i_e) type, true, pa_id); - err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(mpar), mpar_pl); - if (err) - goto err_mpar_reg_write; - - inspected_port = kzalloc(sizeof(*inspected_port), GFP_KERNEL); - if (!inspected_port) { - err = -ENOMEM; - goto err_inspected_port_alloc; - } - inspected_port->local_port = port->local_port; - inspected_port->type = type; - list_add_tail(&inspected_port->list, &span_entry->bound_ports_list); - - return 0; - -err_mpar_reg_write: -err_inspected_port_alloc: - if (type == MLXSW_SP_SPAN_EGRESS) { - mlxsw_reg_sbib_pack(sbib_pl, port->local_port, 0); - mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sbib), sbib_pl); - } - return err; -} - -static void -mlxsw_sp_span_inspected_port_unbind(struct mlxsw_sp_port *port, - struct mlxsw_sp_span_entry *span_entry, - enum mlxsw_sp_span_type type) -{ - struct mlxsw_sp_span_inspected_port *inspected_port; - struct mlxsw_sp *mlxsw_sp = port->mlxsw_sp; - char mpar_pl[MLXSW_REG_MPAR_LEN]; - char sbib_pl[MLXSW_REG_SBIB_LEN]; - int pa_id = span_entry->id; - - inspected_port = mlxsw_sp_span_entry_bound_port_find(port, span_entry); - if (!inspected_port) - return; - - /* remove the inspected port */ - mlxsw_reg_mpar_pack(mpar_pl, port->local_port, - (enum mlxsw_reg_mpar_i_e) type, false, pa_id); - mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(mpar), mpar_pl); - - /* remove the SBIB buffer if it was egress SPAN */ - if (type == MLXSW_SP_SPAN_EGRESS) { - mlxsw_reg_sbib_pack(sbib_pl, port->local_port, 0); - mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sbib), sbib_pl); - } - - mlxsw_sp_span_entry_put(mlxsw_sp, span_entry); - - list_del(&inspected_port->list); - kfree(inspected_port); -} - -static int mlxsw_sp_span_mirror_add(struct mlxsw_sp_port *from, - struct mlxsw_sp_port *to, - enum mlxsw_sp_span_type type) -{ - struct mlxsw_sp *mlxsw_sp = from->mlxsw_sp; - struct mlxsw_sp_span_entry *span_entry; - int err; - - span_entry = mlxsw_sp_span_entry_get(to); - if (!span_entry) - return -ENOENT; - - netdev_dbg(from->dev, "Adding inspected port to SPAN entry %d\n", - span_entry->id); - - err = mlxsw_sp_span_inspected_port_bind(from, span_entry, type); - if (err) - goto err_port_bind; - - return 0; - -err_port_bind: - mlxsw_sp_span_entry_put(mlxsw_sp, span_entry); - return err; -} - -static void mlxsw_sp_span_mirror_remove(struct mlxsw_sp_port *from, - struct mlxsw_sp_port *to, - enum mlxsw_sp_span_type type) -{ - struct mlxsw_sp_span_entry *span_entry; - - span_entry = mlxsw_sp_span_entry_find(to); - if (!span_entry) { - netdev_err(from->dev, "no span entry found\n"); - return; - } - - netdev_dbg(from->dev, "removing inspected port from SPAN entry %d\n", - span_entry->id); - mlxsw_sp_span_inspected_port_unbind(from, span_entry, type); -} - -static int mlxsw_sp_port_sample_set(struct mlxsw_sp_port *mlxsw_sp_port, - bool enable, u32 rate) -{ - struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; - char mpsc_pl[MLXSW_REG_MPSC_LEN]; - - mlxsw_reg_mpsc_pack(mpsc_pl, mlxsw_sp_port->local_port, enable, rate); - return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(mpsc), mpsc_pl); -} - -static int mlxsw_sp_port_admin_status_set(struct mlxsw_sp_port *mlxsw_sp_port, - bool is_up) +int mlxsw_sp_port_admin_status_set(struct mlxsw_sp_port *mlxsw_sp_port, + bool is_up) { struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; char paos_pl[MLXSW_REG_PAOS_LEN]; @@ -819,7 +281,7 @@ static int mlxsw_sp_port_admin_status_set(struct mlxsw_sp_port *mlxsw_sp_port, } static int mlxsw_sp_port_dev_addr_set(struct mlxsw_sp_port *mlxsw_sp_port, - unsigned char *addr) + const unsigned char *addr) { struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; char ppad_pl[MLXSW_REG_PPAD_LEN]; @@ -832,40 +294,30 @@ static int mlxsw_sp_port_dev_addr_set(struct mlxsw_sp_port *mlxsw_sp_port, static int mlxsw_sp_port_dev_addr_init(struct mlxsw_sp_port *mlxsw_sp_port) { struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; - unsigned char *addr = mlxsw_sp_port->dev->dev_addr; - ether_addr_copy(addr, mlxsw_sp->base_mac); - addr[ETH_ALEN - 1] += mlxsw_sp_port->local_port; - return mlxsw_sp_port_dev_addr_set(mlxsw_sp_port, addr); + eth_hw_addr_gen(mlxsw_sp_port->dev, mlxsw_sp->base_mac, + mlxsw_sp_port->local_port); + return mlxsw_sp_port_dev_addr_set(mlxsw_sp_port, + mlxsw_sp_port->dev->dev_addr); } static int mlxsw_sp_port_mtu_set(struct mlxsw_sp_port *mlxsw_sp_port, u16 mtu) { struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; char pmtu_pl[MLXSW_REG_PMTU_LEN]; - int max_mtu; - int err; - mtu += MLXSW_TXHDR_LEN + ETH_HLEN; - mlxsw_reg_pmtu_pack(pmtu_pl, mlxsw_sp_port->local_port, 0); - err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(pmtu), pmtu_pl); - if (err) - return err; - max_mtu = mlxsw_reg_pmtu_max_mtu_get(pmtu_pl); - - if (mtu > max_mtu) - return -EINVAL; + mtu += MLXSW_PORT_ETH_FRAME_HDR; mlxsw_reg_pmtu_pack(pmtu_pl, mlxsw_sp_port->local_port, mtu); return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(pmtu), pmtu_pl); } -static int mlxsw_sp_port_swid_set(struct mlxsw_sp_port *mlxsw_sp_port, u8 swid) +static int mlxsw_sp_port_swid_set(struct mlxsw_sp *mlxsw_sp, + u16 local_port, u8 swid) { - struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; char pspa_pl[MLXSW_REG_PSPA_LEN]; - mlxsw_reg_pspa_pack(pspa_pl, swid, mlxsw_sp_port->local_port); + mlxsw_reg_pspa_pack(pspa_pl, swid, local_port); return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(pspa), pspa_pl); } @@ -895,13 +347,71 @@ int mlxsw_sp_port_vid_learning_set(struct mlxsw_sp_port *mlxsw_sp_port, u16 vid, return err; } +int mlxsw_sp_port_security_set(struct mlxsw_sp_port *mlxsw_sp_port, bool enable) +{ + struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; + char spfsr_pl[MLXSW_REG_SPFSR_LEN]; + int err; + + if (mlxsw_sp_port->security == enable) + return 0; + + mlxsw_reg_spfsr_pack(spfsr_pl, mlxsw_sp_port->local_port, enable); + err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(spfsr), spfsr_pl); + if (err) + return err; + + mlxsw_sp_port->security = enable; + return 0; +} + +int mlxsw_sp_ethtype_to_sver_type(u16 ethtype, u8 *p_sver_type) +{ + switch (ethtype) { + case ETH_P_8021Q: + *p_sver_type = 0; + break; + case ETH_P_8021AD: + *p_sver_type = 1; + break; + default: + return -EINVAL; + } + + return 0; +} + +int mlxsw_sp_port_egress_ethtype_set(struct mlxsw_sp_port *mlxsw_sp_port, + u16 ethtype) +{ + struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; + char spevet_pl[MLXSW_REG_SPEVET_LEN]; + u8 sver_type; + int err; + + err = mlxsw_sp_ethtype_to_sver_type(ethtype, &sver_type); + if (err) + return err; + + mlxsw_reg_spevet_pack(spevet_pl, mlxsw_sp_port->local_port, sver_type); + return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(spevet), spevet_pl); +} + static int __mlxsw_sp_port_pvid_set(struct mlxsw_sp_port *mlxsw_sp_port, - u16 vid) + u16 vid, u16 ethtype) { struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; char spvid_pl[MLXSW_REG_SPVID_LEN]; + u8 sver_type; + int err; + + err = mlxsw_sp_ethtype_to_sver_type(ethtype, &sver_type); + if (err) + return err; + + mlxsw_reg_spvid_pack(spvid_pl, mlxsw_sp_port->local_port, vid, + sver_type); - mlxsw_reg_spvid_pack(spvid_pl, mlxsw_sp_port->local_port, vid); return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(spvid), spvid_pl); } @@ -915,7 +425,8 @@ static int mlxsw_sp_port_allow_untagged_set(struct mlxsw_sp_port *mlxsw_sp_port, return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(spaft), spaft_pl); } -int mlxsw_sp_port_pvid_set(struct mlxsw_sp_port *mlxsw_sp_port, u16 vid) +int mlxsw_sp_port_pvid_set(struct mlxsw_sp_port *mlxsw_sp_port, u16 vid, + u16 ethtype) { int err; @@ -924,7 +435,7 @@ int mlxsw_sp_port_pvid_set(struct mlxsw_sp_port *mlxsw_sp_port, u16 vid) if (err) return err; } else { - err = __mlxsw_sp_port_pvid_set(mlxsw_sp_port, vid); + err = __mlxsw_sp_port_pvid_set(mlxsw_sp_port, vid, ethtype); if (err) return err; err = mlxsw_sp_port_allow_untagged_set(mlxsw_sp_port, true); @@ -936,7 +447,7 @@ int mlxsw_sp_port_pvid_set(struct mlxsw_sp_port *mlxsw_sp_port, u16 vid) return 0; err_port_allow_untagged_set: - __mlxsw_sp_port_pvid_set(mlxsw_sp_port, mlxsw_sp_port->pvid); + __mlxsw_sp_port_pvid_set(mlxsw_sp_port, mlxsw_sp_port->pvid, ethtype); return err; } @@ -950,9 +461,66 @@ mlxsw_sp_port_system_port_mapping_set(struct mlxsw_sp_port *mlxsw_sp_port) return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sspr), sspr_pl); } -static int mlxsw_sp_port_module_info_get(struct mlxsw_sp *mlxsw_sp, - u8 local_port, u8 *p_module, - u8 *p_width, u8 *p_lane) +static int +mlxsw_sp_port_module_info_parse(struct mlxsw_sp *mlxsw_sp, + u16 local_port, char *pmlp_pl, + struct mlxsw_sp_port_mapping *port_mapping) +{ + bool separate_rxtx; + u8 first_lane; + u8 slot_index; + u8 module; + u8 width; + int i; + + module = mlxsw_reg_pmlp_module_get(pmlp_pl, 0); + slot_index = mlxsw_reg_pmlp_slot_index_get(pmlp_pl, 0); + width = mlxsw_reg_pmlp_width_get(pmlp_pl); + separate_rxtx = mlxsw_reg_pmlp_rxtx_get(pmlp_pl); + first_lane = mlxsw_reg_pmlp_tx_lane_get(pmlp_pl, 0); + + if (width && !is_power_of_2(width)) { + dev_err(mlxsw_sp->bus_info->dev, "Port %d: Unsupported module config: width value is not power of 2\n", + local_port); + return -EINVAL; + } + + for (i = 0; i < width; i++) { + if (mlxsw_reg_pmlp_module_get(pmlp_pl, i) != module) { + dev_err(mlxsw_sp->bus_info->dev, "Port %d: Unsupported module config: contains multiple modules\n", + local_port); + return -EINVAL; + } + if (mlxsw_reg_pmlp_slot_index_get(pmlp_pl, i) != slot_index) { + dev_err(mlxsw_sp->bus_info->dev, "Port %d: Unsupported module config: contains multiple slot indexes\n", + local_port); + return -EINVAL; + } + if (separate_rxtx && + mlxsw_reg_pmlp_tx_lane_get(pmlp_pl, i) != + mlxsw_reg_pmlp_rx_lane_get(pmlp_pl, i)) { + dev_err(mlxsw_sp->bus_info->dev, "Port %d: Unsupported module config: TX and RX lane numbers are different\n", + local_port); + return -EINVAL; + } + if (mlxsw_reg_pmlp_tx_lane_get(pmlp_pl, i) != i + first_lane) { + dev_err(mlxsw_sp->bus_info->dev, "Port %d: Unsupported module config: TX and RX lane numbers are not sequential\n", + local_port); + return -EINVAL; + } + } + + port_mapping->module = module; + port_mapping->slot_index = slot_index; + port_mapping->width = width; + port_mapping->module_width = width; + port_mapping->lane = mlxsw_reg_pmlp_tx_lane_get(pmlp_pl, 0); + return 0; +} + +static int +mlxsw_sp_port_module_info_get(struct mlxsw_sp *mlxsw_sp, u16 local_port, + struct mlxsw_sp_port_mapping *port_mapping) { char pmlp_pl[MLXSW_REG_PMLP_LEN]; int err; @@ -961,57 +529,86 @@ static int mlxsw_sp_port_module_info_get(struct mlxsw_sp *mlxsw_sp, err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(pmlp), pmlp_pl); if (err) return err; - *p_module = mlxsw_reg_pmlp_module_get(pmlp_pl, 0); - *p_width = mlxsw_reg_pmlp_width_get(pmlp_pl); - *p_lane = mlxsw_reg_pmlp_tx_lane_get(pmlp_pl, 0); - return 0; + return mlxsw_sp_port_module_info_parse(mlxsw_sp, local_port, + pmlp_pl, port_mapping); } -static int mlxsw_sp_port_module_map(struct mlxsw_sp_port *mlxsw_sp_port, - u8 module, u8 width, u8 lane) +static int +mlxsw_sp_port_module_map(struct mlxsw_sp *mlxsw_sp, u16 local_port, + const struct mlxsw_sp_port_mapping *port_mapping) { - struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; char pmlp_pl[MLXSW_REG_PMLP_LEN]; - int i; + int i, err; - mlxsw_reg_pmlp_pack(pmlp_pl, mlxsw_sp_port->local_port); - mlxsw_reg_pmlp_width_set(pmlp_pl, width); - for (i = 0; i < width; i++) { - mlxsw_reg_pmlp_module_set(pmlp_pl, i, module); - mlxsw_reg_pmlp_tx_lane_set(pmlp_pl, i, lane + i); /* Rx & Tx */ + mlxsw_env_module_port_map(mlxsw_sp->core, port_mapping->slot_index, + port_mapping->module); + + mlxsw_reg_pmlp_pack(pmlp_pl, local_port); + mlxsw_reg_pmlp_width_set(pmlp_pl, port_mapping->width); + for (i = 0; i < port_mapping->width; i++) { + mlxsw_reg_pmlp_slot_index_set(pmlp_pl, i, + port_mapping->slot_index); + mlxsw_reg_pmlp_module_set(pmlp_pl, i, port_mapping->module); + mlxsw_reg_pmlp_tx_lane_set(pmlp_pl, i, port_mapping->lane + i); /* Rx & Tx */ } - return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(pmlp), pmlp_pl); + err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(pmlp), pmlp_pl); + if (err) + goto err_pmlp_write; + return 0; + +err_pmlp_write: + mlxsw_env_module_port_unmap(mlxsw_sp->core, port_mapping->slot_index, + port_mapping->module); + return err; } -static int mlxsw_sp_port_module_unmap(struct mlxsw_sp_port *mlxsw_sp_port) +static void mlxsw_sp_port_module_unmap(struct mlxsw_sp *mlxsw_sp, u16 local_port, + u8 slot_index, u8 module) { - struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; char pmlp_pl[MLXSW_REG_PMLP_LEN]; - mlxsw_reg_pmlp_pack(pmlp_pl, mlxsw_sp_port->local_port); + mlxsw_reg_pmlp_pack(pmlp_pl, local_port); mlxsw_reg_pmlp_width_set(pmlp_pl, 0); - return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(pmlp), pmlp_pl); + mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(pmlp), pmlp_pl); + mlxsw_env_module_port_unmap(mlxsw_sp->core, slot_index, module); } static int mlxsw_sp_port_open(struct net_device *dev) { struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); + struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; int err; - err = mlxsw_sp_port_admin_status_set(mlxsw_sp_port, true); + err = mlxsw_env_module_port_up(mlxsw_sp->core, + mlxsw_sp_port->mapping.slot_index, + mlxsw_sp_port->mapping.module); if (err) return err; + err = mlxsw_sp_port_admin_status_set(mlxsw_sp_port, true); + if (err) + goto err_port_admin_status_set; netif_start_queue(dev); return 0; + +err_port_admin_status_set: + mlxsw_env_module_port_down(mlxsw_sp->core, + mlxsw_sp_port->mapping.slot_index, + mlxsw_sp_port->mapping.module); + return err; } static int mlxsw_sp_port_stop(struct net_device *dev) { struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); + struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; netif_stop_queue(dev); - return mlxsw_sp_port_admin_status_set(mlxsw_sp_port, false); + mlxsw_sp_port_admin_status_set(mlxsw_sp_port, false); + mlxsw_env_module_port_down(mlxsw_sp->core, + mlxsw_sp_port->mapping.slot_index, + mlxsw_sp_port->mapping.module); + return 0; } static netdev_tx_t mlxsw_sp_port_xmit(struct sk_buff *skb, @@ -1020,34 +617,29 @@ static netdev_tx_t mlxsw_sp_port_xmit(struct sk_buff *skb, struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; struct mlxsw_sp_port_pcpu_stats *pcpu_stats; - const struct mlxsw_tx_info tx_info = { - .local_port = mlxsw_sp_port->local_port, - .is_emad = false, + struct mlxsw_txhdr_info txhdr_info = { + .tx_info.local_port = mlxsw_sp_port->local_port, + .tx_info.is_emad = false, }; u64 len; int err; - if (mlxsw_core_skb_transmit_busy(mlxsw_sp->core, &tx_info)) - return NETDEV_TX_BUSY; + memset(skb->cb, 0, sizeof(struct mlxsw_skb_cb)); - if (unlikely(skb_headroom(skb) < MLXSW_TXHDR_LEN)) { - struct sk_buff *skb_orig = skb; + if (mlxsw_core_skb_transmit_busy(mlxsw_sp->core, &txhdr_info.tx_info)) + return NETDEV_TX_BUSY; - skb = skb_realloc_headroom(skb, MLXSW_TXHDR_LEN); - if (!skb) { - this_cpu_inc(mlxsw_sp_port->pcpu_stats->tx_dropped); - dev_kfree_skb_any(skb_orig); - return NETDEV_TX_OK; - } - dev_consume_skb_any(skb_orig); + if (eth_skb_pad(skb)) { + this_cpu_inc(mlxsw_sp_port->pcpu_stats->tx_dropped); + return NETDEV_TX_OK; } - if (eth_skb_pad(skb)) { + skb = mlxsw_sp_txhdr_preparations(mlxsw_sp, skb, &txhdr_info); + if (!skb) { this_cpu_inc(mlxsw_sp_port->pcpu_stats->tx_dropped); return NETDEV_TX_OK; } - mlxsw_sp_txhdr_construct(skb, &tx_info); /* TX header is consumed by HW on the way so we shouldn't count its * bytes as being sent. */ @@ -1056,7 +648,7 @@ static netdev_tx_t mlxsw_sp_port_xmit(struct sk_buff *skb, /* Due to a race we might fail here because of a full queue. In that * unlikely case we simply drop the packet. */ - err = mlxsw_core_skb_transmit(mlxsw_sp->core, skb, &tx_info); + err = mlxsw_core_skb_transmit(mlxsw_sp->core, skb, &txhdr_info); if (!err) { pcpu_stats = this_cpu_ptr(mlxsw_sp_port->pcpu_stats); @@ -1087,132 +679,37 @@ static int mlxsw_sp_port_set_mac_address(struct net_device *dev, void *p) err = mlxsw_sp_port_dev_addr_set(mlxsw_sp_port, addr->sa_data); if (err) return err; - memcpy(dev->dev_addr, addr->sa_data, dev->addr_len); + eth_hw_addr_set(dev, addr->sa_data); return 0; } -static u16 mlxsw_sp_pg_buf_threshold_get(const struct mlxsw_sp *mlxsw_sp, - int mtu) -{ - return 2 * mlxsw_sp_bytes_cells(mlxsw_sp, mtu); -} - -#define MLXSW_SP_CELL_FACTOR 2 /* 2 * cell_size / (IPG + cell_size + 1) */ - -static u16 mlxsw_sp_pfc_delay_get(const struct mlxsw_sp *mlxsw_sp, int mtu, - u16 delay) -{ - delay = mlxsw_sp_bytes_cells(mlxsw_sp, DIV_ROUND_UP(delay, - BITS_PER_BYTE)); - return MLXSW_SP_CELL_FACTOR * delay + mlxsw_sp_bytes_cells(mlxsw_sp, - mtu); -} - -/* Maximum delay buffer needed in case of PAUSE frames, in bytes. - * Assumes 100m cable and maximum MTU. - */ -#define MLXSW_SP_PAUSE_DELAY 58752 - -static u16 mlxsw_sp_pg_buf_delay_get(const struct mlxsw_sp *mlxsw_sp, int mtu, - u16 delay, bool pfc, bool pause) +static int mlxsw_sp_port_change_mtu(struct net_device *dev, int mtu) { - if (pfc) - return mlxsw_sp_pfc_delay_get(mlxsw_sp, mtu, delay); - else if (pause) - return mlxsw_sp_bytes_cells(mlxsw_sp, MLXSW_SP_PAUSE_DELAY); - else - return 0; -} + struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); + struct mlxsw_sp_hdroom orig_hdroom; + struct mlxsw_sp_hdroom hdroom; + int err; -static void mlxsw_sp_pg_buf_pack(char *pbmc_pl, int index, u16 size, u16 thres, - bool lossy) -{ - if (lossy) - mlxsw_reg_pbmc_lossy_buffer_pack(pbmc_pl, index, size); - else - mlxsw_reg_pbmc_lossless_buffer_pack(pbmc_pl, index, size, - thres); -} + orig_hdroom = *mlxsw_sp_port->hdroom; -int __mlxsw_sp_port_headroom_set(struct mlxsw_sp_port *mlxsw_sp_port, int mtu, - u8 *prio_tc, bool pause_en, - struct ieee_pfc *my_pfc) -{ - struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; - u8 pfc_en = !!my_pfc ? my_pfc->pfc_en : 0; - u16 delay = !!my_pfc ? my_pfc->delay : 0; - char pbmc_pl[MLXSW_REG_PBMC_LEN]; - int i, j, err; + hdroom = orig_hdroom; + hdroom.mtu = mtu; + mlxsw_sp_hdroom_bufs_reset_sizes(mlxsw_sp_port, &hdroom); - mlxsw_reg_pbmc_pack(pbmc_pl, mlxsw_sp_port->local_port, 0, 0); - err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(pbmc), pbmc_pl); - if (err) + err = mlxsw_sp_hdroom_configure(mlxsw_sp_port, &hdroom); + if (err) { + netdev_err(dev, "Failed to configure port's headroom\n"); return err; - - for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) { - bool configure = false; - bool pfc = false; - bool lossy; - u16 thres; - - for (j = 0; j < IEEE_8021QAZ_MAX_TCS; j++) { - if (prio_tc[j] == i) { - pfc = pfc_en & BIT(j); - configure = true; - break; - } - } - - if (!configure) - continue; - - lossy = !(pfc || pause_en); - thres = mlxsw_sp_pg_buf_threshold_get(mlxsw_sp, mtu); - delay = mlxsw_sp_pg_buf_delay_get(mlxsw_sp, mtu, delay, pfc, - pause_en); - mlxsw_sp_pg_buf_pack(pbmc_pl, i, thres + delay, thres, lossy); } - return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(pbmc), pbmc_pl); -} - -static int mlxsw_sp_port_headroom_set(struct mlxsw_sp_port *mlxsw_sp_port, - int mtu, bool pause_en) -{ - u8 def_prio_tc[IEEE_8021QAZ_MAX_TCS] = {0}; - bool dcb_en = !!mlxsw_sp_port->dcb.ets; - struct ieee_pfc *my_pfc; - u8 *prio_tc; - - prio_tc = dcb_en ? mlxsw_sp_port->dcb.ets->prio_tc : def_prio_tc; - my_pfc = dcb_en ? mlxsw_sp_port->dcb.pfc : NULL; - - return __mlxsw_sp_port_headroom_set(mlxsw_sp_port, mtu, prio_tc, - pause_en, my_pfc); -} - -static int mlxsw_sp_port_change_mtu(struct net_device *dev, int mtu) -{ - struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); - bool pause_en = mlxsw_sp_port_is_pause_en(mlxsw_sp_port); - int err; - - err = mlxsw_sp_port_headroom_set(mlxsw_sp_port, mtu, pause_en); - if (err) - return err; - err = mlxsw_sp_span_port_mtu_update(mlxsw_sp_port, mtu); - if (err) - goto err_span_port_mtu_update; err = mlxsw_sp_port_mtu_set(mlxsw_sp_port, mtu); if (err) goto err_port_mtu_set; - dev->mtu = mtu; + WRITE_ONCE(dev->mtu, mtu); return 0; err_port_mtu_set: - mlxsw_sp_span_port_mtu_update(mlxsw_sp_port, dev->mtu); -err_span_port_mtu_update: - mlxsw_sp_port_headroom_set(mlxsw_sp_port, dev->mtu, pause_en); + mlxsw_sp_hdroom_configure(mlxsw_sp_port, &orig_hdroom); return err; } @@ -1230,12 +727,12 @@ mlxsw_sp_port_get_sw_stats64(const struct net_device *dev, for_each_possible_cpu(i) { p = per_cpu_ptr(mlxsw_sp_port->pcpu_stats, i); do { - start = u64_stats_fetch_begin_irq(&p->syncp); + start = u64_stats_fetch_begin(&p->syncp); rx_packets = p->rx_packets; rx_bytes = p->rx_bytes; tx_packets = p->tx_packets; tx_bytes = p->tx_bytes; - } while (u64_stats_fetch_retry_irq(&p->syncp, start)); + } while (u64_stats_fetch_retry(&p->syncp, start)); stats->rx_packets += rx_packets; stats->rx_bytes += rx_bytes; @@ -1269,8 +766,8 @@ static int mlxsw_sp_port_get_offload_stats(int attr_id, const struct net_device return -EINVAL; } -static int mlxsw_sp_port_get_stats_raw(struct net_device *dev, int grp, - int prio, char *ppcnt_pl) +int mlxsw_sp_port_get_stats_raw(struct net_device *dev, int grp, + int prio, char *ppcnt_pl) { struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; @@ -1318,20 +815,71 @@ out: return err; } +static void +mlxsw_sp_port_get_hw_xstats(struct net_device *dev, + struct mlxsw_sp_port_xstats *xstats) +{ + char ppcnt_pl[MLXSW_REG_PPCNT_LEN]; + int err, i; + + err = mlxsw_sp_port_get_stats_raw(dev, MLXSW_REG_PPCNT_EXT_CNT, 0, + ppcnt_pl); + if (!err) + xstats->ecn = mlxsw_reg_ppcnt_ecn_marked_get(ppcnt_pl); + + for (i = 0; i < TC_MAX_QUEUE; i++) { + err = mlxsw_sp_port_get_stats_raw(dev, + MLXSW_REG_PPCNT_TC_CONG_CNT, + i, ppcnt_pl); + if (err) + goto tc_cnt; + + xstats->wred_drop[i] = + mlxsw_reg_ppcnt_wred_discard_get(ppcnt_pl); + xstats->tc_ecn[i] = mlxsw_reg_ppcnt_ecn_marked_tc_get(ppcnt_pl); + +tc_cnt: + err = mlxsw_sp_port_get_stats_raw(dev, MLXSW_REG_PPCNT_TC_CNT, + i, ppcnt_pl); + if (err) + continue; + + xstats->backlog[i] = + mlxsw_reg_ppcnt_tc_transmit_queue_get(ppcnt_pl); + xstats->tail_drop[i] = + mlxsw_reg_ppcnt_tc_no_buffer_discard_uc_get(ppcnt_pl); + } + + for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) { + err = mlxsw_sp_port_get_stats_raw(dev, MLXSW_REG_PPCNT_PRIO_CNT, + i, ppcnt_pl); + if (err) + continue; + + xstats->tx_packets[i] = mlxsw_reg_ppcnt_tx_frames_get(ppcnt_pl); + xstats->tx_bytes[i] = mlxsw_reg_ppcnt_tx_octets_get(ppcnt_pl); + } +} + static void update_stats_cache(struct work_struct *work) { struct mlxsw_sp_port *mlxsw_sp_port = container_of(work, struct mlxsw_sp_port, - hw_stats.update_dw.work); + periodic_hw_stats.update_dw.work); if (!netif_carrier_ok(mlxsw_sp_port->dev)) + /* Note: mlxsw_sp_port_down_wipe_counters() clears the cache as + * necessary when port goes down. + */ goto out; mlxsw_sp_port_get_hw_stats(mlxsw_sp_port->dev, - mlxsw_sp_port->hw_stats.cache); + &mlxsw_sp_port->periodic_hw_stats.stats); + mlxsw_sp_port_get_hw_xstats(mlxsw_sp_port->dev, + &mlxsw_sp_port->periodic_hw_stats.xstats); out: - mlxsw_core_schedule_dw(&mlxsw_sp_port->hw_stats.update_dw, + mlxsw_core_schedule_dw(&mlxsw_sp_port->periodic_hw_stats.update_dw, MLXSW_HW_STATS_UPDATE_TIME); } @@ -1344,7 +892,7 @@ mlxsw_sp_port_get_stats64(struct net_device *dev, { struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); - memcpy(stats, mlxsw_sp_port->hw_stats.cache, sizeof(*stats)); + memcpy(stats, &mlxsw_sp_port->periodic_hw_stats.stats, sizeof(*stats)); } static int __mlxsw_sp_port_vlan_set(struct mlxsw_sp_port *mlxsw_sp_port, @@ -1386,22 +934,40 @@ int mlxsw_sp_port_vlan_set(struct mlxsw_sp_port *mlxsw_sp_port, u16 vid_begin, return 0; } -static void mlxsw_sp_port_vlan_flush(struct mlxsw_sp_port *mlxsw_sp_port) +static void mlxsw_sp_port_vlan_flush(struct mlxsw_sp_port *mlxsw_sp_port, + bool flush_default) { struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan, *tmp; list_for_each_entry_safe(mlxsw_sp_port_vlan, tmp, - &mlxsw_sp_port->vlans_list, list) - mlxsw_sp_port_vlan_put(mlxsw_sp_port_vlan); + &mlxsw_sp_port->vlans_list, list) { + if (!flush_default && + mlxsw_sp_port_vlan->vid == MLXSW_SP_DEFAULT_VID) + continue; + mlxsw_sp_port_vlan_destroy(mlxsw_sp_port_vlan); + } } -static struct mlxsw_sp_port_vlan * +static void +mlxsw_sp_port_vlan_cleanup(struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan) +{ + if (mlxsw_sp_port_vlan->bridge_port) + mlxsw_sp_port_vlan_bridge_leave(mlxsw_sp_port_vlan); + else if (mlxsw_sp_port_vlan->fid) + mlxsw_sp_port_vlan_router_leave(mlxsw_sp_port_vlan); +} + +struct mlxsw_sp_port_vlan * mlxsw_sp_port_vlan_create(struct mlxsw_sp_port *mlxsw_sp_port, u16 vid) { struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan; - bool untagged = vid == 1; + bool untagged = vid == MLXSW_SP_DEFAULT_VID; int err; + mlxsw_sp_port_vlan = mlxsw_sp_port_vlan_find_by_vid(mlxsw_sp_port, vid); + if (mlxsw_sp_port_vlan) + return ERR_PTR(-EEXIST); + err = mlxsw_sp_port_vlan_set(mlxsw_sp_port, vid, vid, true, untagged); if (err) return ERR_PTR(err); @@ -1423,41 +989,17 @@ err_port_vlan_alloc: return ERR_PTR(err); } -static void -mlxsw_sp_port_vlan_destroy(struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan) +void mlxsw_sp_port_vlan_destroy(struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan) { struct mlxsw_sp_port *mlxsw_sp_port = mlxsw_sp_port_vlan->mlxsw_sp_port; u16 vid = mlxsw_sp_port_vlan->vid; + mlxsw_sp_port_vlan_cleanup(mlxsw_sp_port_vlan); list_del(&mlxsw_sp_port_vlan->list); kfree(mlxsw_sp_port_vlan); mlxsw_sp_port_vlan_set(mlxsw_sp_port, vid, vid, false, false); } -struct mlxsw_sp_port_vlan * -mlxsw_sp_port_vlan_get(struct mlxsw_sp_port *mlxsw_sp_port, u16 vid) -{ - struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan; - - mlxsw_sp_port_vlan = mlxsw_sp_port_vlan_find_by_vid(mlxsw_sp_port, vid); - if (mlxsw_sp_port_vlan) - return mlxsw_sp_port_vlan; - - return mlxsw_sp_port_vlan_create(mlxsw_sp_port, vid); -} - -void mlxsw_sp_port_vlan_put(struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan) -{ - struct mlxsw_sp_fid *fid = mlxsw_sp_port_vlan->fid; - - if (mlxsw_sp_port_vlan->bridge_port) - mlxsw_sp_port_vlan_bridge_leave(mlxsw_sp_port_vlan); - else if (fid) - mlxsw_sp_port_vlan_router_leave(mlxsw_sp_port_vlan); - - mlxsw_sp_port_vlan_destroy(mlxsw_sp_port_vlan); -} - static int mlxsw_sp_port_add_vid(struct net_device *dev, __be16 __always_unused proto, u16 vid) { @@ -1469,11 +1011,11 @@ static int mlxsw_sp_port_add_vid(struct net_device *dev, if (!vid) return 0; - return PTR_ERR_OR_ZERO(mlxsw_sp_port_vlan_get(mlxsw_sp_port, vid)); + return PTR_ERR_OR_ZERO(mlxsw_sp_port_vlan_create(mlxsw_sp_port, vid)); } -static int mlxsw_sp_port_kill_vid(struct net_device *dev, - __be16 __always_unused proto, u16 vid) +int mlxsw_sp_port_kill_vid(struct net_device *dev, + __be16 __always_unused proto, u16 vid) { struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan; @@ -1487,1197 +1029,232 @@ static int mlxsw_sp_port_kill_vid(struct net_device *dev, mlxsw_sp_port_vlan = mlxsw_sp_port_vlan_find_by_vid(mlxsw_sp_port, vid); if (!mlxsw_sp_port_vlan) return 0; - mlxsw_sp_port_vlan_put(mlxsw_sp_port_vlan); + mlxsw_sp_port_vlan_destroy(mlxsw_sp_port_vlan); return 0; } -static int mlxsw_sp_port_get_phys_port_name(struct net_device *dev, char *name, - size_t len) +static int mlxsw_sp_setup_tc_block(struct mlxsw_sp_port *mlxsw_sp_port, + struct flow_block_offload *f) { - struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); - u8 module = mlxsw_sp_port->mapping.module; - u8 width = mlxsw_sp_port->mapping.width; - u8 lane = mlxsw_sp_port->mapping.lane; - int err; - - if (!mlxsw_sp_port->split) - err = snprintf(name, len, "p%d", module + 1); - else - err = snprintf(name, len, "p%ds%d", module + 1, - lane / width); - - if (err >= len) - return -EINVAL; - - return 0; -} - -static struct mlxsw_sp_port_mall_tc_entry * -mlxsw_sp_port_mall_tc_entry_find(struct mlxsw_sp_port *port, - unsigned long cookie) { - struct mlxsw_sp_port_mall_tc_entry *mall_tc_entry; - - list_for_each_entry(mall_tc_entry, &port->mall_tc_list, list) - if (mall_tc_entry->cookie == cookie) - return mall_tc_entry; - - return NULL; -} - -static int -mlxsw_sp_port_add_cls_matchall_mirror(struct mlxsw_sp_port *mlxsw_sp_port, - struct mlxsw_sp_port_mall_mirror_tc_entry *mirror, - const struct tc_action *a, - bool ingress) -{ - struct net *net = dev_net(mlxsw_sp_port->dev); - enum mlxsw_sp_span_type span_type; - struct mlxsw_sp_port *to_port; - struct net_device *to_dev; - int ifindex; - - ifindex = tcf_mirred_ifindex(a); - to_dev = __dev_get_by_index(net, ifindex); - if (!to_dev) { - netdev_err(mlxsw_sp_port->dev, "Could not find requested device\n"); - return -EINVAL; - } - - if (!mlxsw_sp_port_dev_check(to_dev)) { - netdev_err(mlxsw_sp_port->dev, "Cannot mirror to a non-spectrum port"); + switch (f->binder_type) { + case FLOW_BLOCK_BINDER_TYPE_CLSACT_INGRESS: + return mlxsw_sp_setup_tc_block_clsact(mlxsw_sp_port, f, true); + case FLOW_BLOCK_BINDER_TYPE_CLSACT_EGRESS: + return mlxsw_sp_setup_tc_block_clsact(mlxsw_sp_port, f, false); + case FLOW_BLOCK_BINDER_TYPE_RED_EARLY_DROP: + return mlxsw_sp_setup_tc_block_qevent_early_drop(mlxsw_sp_port, f); + case FLOW_BLOCK_BINDER_TYPE_RED_MARK: + return mlxsw_sp_setup_tc_block_qevent_mark(mlxsw_sp_port, f); + default: return -EOPNOTSUPP; } - to_port = netdev_priv(to_dev); - - mirror->to_local_port = to_port->local_port; - mirror->ingress = ingress; - span_type = ingress ? MLXSW_SP_SPAN_INGRESS : MLXSW_SP_SPAN_EGRESS; - return mlxsw_sp_span_mirror_add(mlxsw_sp_port, to_port, span_type); -} - -static void -mlxsw_sp_port_del_cls_matchall_mirror(struct mlxsw_sp_port *mlxsw_sp_port, - struct mlxsw_sp_port_mall_mirror_tc_entry *mirror) -{ - struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; - enum mlxsw_sp_span_type span_type; - struct mlxsw_sp_port *to_port; - - to_port = mlxsw_sp->ports[mirror->to_local_port]; - span_type = mirror->ingress ? - MLXSW_SP_SPAN_INGRESS : MLXSW_SP_SPAN_EGRESS; - mlxsw_sp_span_mirror_remove(mlxsw_sp_port, to_port, span_type); } -static int -mlxsw_sp_port_add_cls_matchall_sample(struct mlxsw_sp_port *mlxsw_sp_port, - struct tc_cls_matchall_offload *cls, - const struct tc_action *a, - bool ingress) +static int mlxsw_sp_setup_tc(struct net_device *dev, enum tc_setup_type type, + void *type_data) { - int err; + struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); - if (!mlxsw_sp_port->sample) - return -EOPNOTSUPP; - if (rtnl_dereference(mlxsw_sp_port->sample->psample_group)) { - netdev_err(mlxsw_sp_port->dev, "sample already active\n"); - return -EEXIST; - } - if (tcf_sample_rate(a) > MLXSW_REG_MPSC_RATE_MAX) { - netdev_err(mlxsw_sp_port->dev, "sample rate not supported\n"); + switch (type) { + case TC_SETUP_BLOCK: + return mlxsw_sp_setup_tc_block(mlxsw_sp_port, type_data); + case TC_SETUP_QDISC_RED: + return mlxsw_sp_setup_tc_red(mlxsw_sp_port, type_data); + case TC_SETUP_QDISC_PRIO: + return mlxsw_sp_setup_tc_prio(mlxsw_sp_port, type_data); + case TC_SETUP_QDISC_ETS: + return mlxsw_sp_setup_tc_ets(mlxsw_sp_port, type_data); + case TC_SETUP_QDISC_TBF: + return mlxsw_sp_setup_tc_tbf(mlxsw_sp_port, type_data); + case TC_SETUP_QDISC_FIFO: + return mlxsw_sp_setup_tc_fifo(mlxsw_sp_port, type_data); + default: return -EOPNOTSUPP; } - - rcu_assign_pointer(mlxsw_sp_port->sample->psample_group, - tcf_sample_psample_group(a)); - mlxsw_sp_port->sample->truncate = tcf_sample_truncate(a); - mlxsw_sp_port->sample->trunc_size = tcf_sample_trunc_size(a); - mlxsw_sp_port->sample->rate = tcf_sample_rate(a); - - err = mlxsw_sp_port_sample_set(mlxsw_sp_port, true, tcf_sample_rate(a)); - if (err) - goto err_port_sample_set; - return 0; - -err_port_sample_set: - RCU_INIT_POINTER(mlxsw_sp_port->sample->psample_group, NULL); - return err; } -static void -mlxsw_sp_port_del_cls_matchall_sample(struct mlxsw_sp_port *mlxsw_sp_port) +static int mlxsw_sp_feature_hw_tc(struct net_device *dev, bool enable) { - if (!mlxsw_sp_port->sample) - return; - - mlxsw_sp_port_sample_set(mlxsw_sp_port, false, 1); - RCU_INIT_POINTER(mlxsw_sp_port->sample->psample_group, NULL); -} - -static int mlxsw_sp_port_add_cls_matchall(struct mlxsw_sp_port *mlxsw_sp_port, - __be16 protocol, - struct tc_cls_matchall_offload *cls, - bool ingress) -{ - struct mlxsw_sp_port_mall_tc_entry *mall_tc_entry; - const struct tc_action *a; - LIST_HEAD(actions); - int err; - - if (!tc_single_action(cls->exts)) { - netdev_err(mlxsw_sp_port->dev, "only singular actions are supported\n"); - return -EOPNOTSUPP; - } + struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); - mall_tc_entry = kzalloc(sizeof(*mall_tc_entry), GFP_KERNEL); - if (!mall_tc_entry) - return -ENOMEM; - mall_tc_entry->cookie = cls->cookie; - - tcf_exts_to_list(cls->exts, &actions); - a = list_first_entry(&actions, struct tc_action, list); - - if (is_tcf_mirred_egress_mirror(a) && protocol == htons(ETH_P_ALL)) { - struct mlxsw_sp_port_mall_mirror_tc_entry *mirror; - - mall_tc_entry->type = MLXSW_SP_PORT_MALL_MIRROR; - mirror = &mall_tc_entry->mirror; - err = mlxsw_sp_port_add_cls_matchall_mirror(mlxsw_sp_port, - mirror, a, ingress); - } else if (is_tcf_sample(a) && protocol == htons(ETH_P_ALL)) { - mall_tc_entry->type = MLXSW_SP_PORT_MALL_SAMPLE; - err = mlxsw_sp_port_add_cls_matchall_sample(mlxsw_sp_port, cls, - a, ingress); + if (!enable) { + if (mlxsw_sp_flow_block_rule_count(mlxsw_sp_port->ing_flow_block) || + mlxsw_sp_flow_block_rule_count(mlxsw_sp_port->eg_flow_block)) { + netdev_err(dev, "Active offloaded tc filters, can't turn hw_tc_offload off\n"); + return -EINVAL; + } + mlxsw_sp_flow_block_disable_inc(mlxsw_sp_port->ing_flow_block); + mlxsw_sp_flow_block_disable_inc(mlxsw_sp_port->eg_flow_block); } else { - err = -EOPNOTSUPP; + mlxsw_sp_flow_block_disable_dec(mlxsw_sp_port->ing_flow_block); + mlxsw_sp_flow_block_disable_dec(mlxsw_sp_port->eg_flow_block); } - - if (err) - goto err_add_action; - - list_add_tail(&mall_tc_entry->list, &mlxsw_sp_port->mall_tc_list); return 0; - -err_add_action: - kfree(mall_tc_entry); - return err; -} - -static void mlxsw_sp_port_del_cls_matchall(struct mlxsw_sp_port *mlxsw_sp_port, - struct tc_cls_matchall_offload *cls) -{ - struct mlxsw_sp_port_mall_tc_entry *mall_tc_entry; - - mall_tc_entry = mlxsw_sp_port_mall_tc_entry_find(mlxsw_sp_port, - cls->cookie); - if (!mall_tc_entry) { - netdev_dbg(mlxsw_sp_port->dev, "tc entry not found on port\n"); - return; - } - list_del(&mall_tc_entry->list); - - switch (mall_tc_entry->type) { - case MLXSW_SP_PORT_MALL_MIRROR: - mlxsw_sp_port_del_cls_matchall_mirror(mlxsw_sp_port, - &mall_tc_entry->mirror); - break; - case MLXSW_SP_PORT_MALL_SAMPLE: - mlxsw_sp_port_del_cls_matchall_sample(mlxsw_sp_port); - break; - default: - WARN_ON(1); - } - - kfree(mall_tc_entry); } -static int mlxsw_sp_setup_tc(struct net_device *dev, u32 handle, - u32 chain_index, __be16 proto, - struct tc_to_netdev *tc) +static int mlxsw_sp_feature_loopback(struct net_device *dev, bool enable) { struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); - bool ingress = TC_H_MAJ(handle) == TC_H_MAJ(TC_H_INGRESS); - - if (chain_index) - return -EOPNOTSUPP; - - switch (tc->type) { - case TC_SETUP_MATCHALL: - switch (tc->cls_mall->command) { - case TC_CLSMATCHALL_REPLACE: - return mlxsw_sp_port_add_cls_matchall(mlxsw_sp_port, - proto, - tc->cls_mall, - ingress); - case TC_CLSMATCHALL_DESTROY: - mlxsw_sp_port_del_cls_matchall(mlxsw_sp_port, - tc->cls_mall); - return 0; - default: - return -EOPNOTSUPP; - } - case TC_SETUP_CLSFLOWER: - switch (tc->cls_flower->command) { - case TC_CLSFLOWER_REPLACE: - return mlxsw_sp_flower_replace(mlxsw_sp_port, ingress, - proto, tc->cls_flower); - case TC_CLSFLOWER_DESTROY: - mlxsw_sp_flower_destroy(mlxsw_sp_port, ingress, - tc->cls_flower); - return 0; - case TC_CLSFLOWER_STATS: - return mlxsw_sp_flower_stats(mlxsw_sp_port, ingress, - tc->cls_flower); - default: - return -EOPNOTSUPP; - } - } + char pplr_pl[MLXSW_REG_PPLR_LEN]; + int err; - return -EOPNOTSUPP; -} + if (netif_running(dev)) + mlxsw_sp_port_admin_status_set(mlxsw_sp_port, false); -static const struct net_device_ops mlxsw_sp_port_netdev_ops = { - .ndo_open = mlxsw_sp_port_open, - .ndo_stop = mlxsw_sp_port_stop, - .ndo_start_xmit = mlxsw_sp_port_xmit, - .ndo_setup_tc = mlxsw_sp_setup_tc, - .ndo_set_rx_mode = mlxsw_sp_set_rx_mode, - .ndo_set_mac_address = mlxsw_sp_port_set_mac_address, - .ndo_change_mtu = mlxsw_sp_port_change_mtu, - .ndo_get_stats64 = mlxsw_sp_port_get_stats64, - .ndo_has_offload_stats = mlxsw_sp_port_has_offload_stats, - .ndo_get_offload_stats = mlxsw_sp_port_get_offload_stats, - .ndo_vlan_rx_add_vid = mlxsw_sp_port_add_vid, - .ndo_vlan_rx_kill_vid = mlxsw_sp_port_kill_vid, - .ndo_get_phys_port_name = mlxsw_sp_port_get_phys_port_name, -}; + mlxsw_reg_pplr_pack(pplr_pl, mlxsw_sp_port->local_port, enable); + err = mlxsw_reg_write(mlxsw_sp_port->mlxsw_sp->core, MLXSW_REG(pplr), + pplr_pl); -static void mlxsw_sp_port_get_drvinfo(struct net_device *dev, - struct ethtool_drvinfo *drvinfo) -{ - struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); - struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; + if (netif_running(dev)) + mlxsw_sp_port_admin_status_set(mlxsw_sp_port, true); - strlcpy(drvinfo->driver, mlxsw_sp_driver_name, sizeof(drvinfo->driver)); - strlcpy(drvinfo->version, mlxsw_sp_driver_version, - sizeof(drvinfo->version)); - snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version), - "%d.%d.%d", - mlxsw_sp->bus_info->fw_rev.major, - mlxsw_sp->bus_info->fw_rev.minor, - mlxsw_sp->bus_info->fw_rev.subminor); - strlcpy(drvinfo->bus_info, mlxsw_sp->bus_info->device_name, - sizeof(drvinfo->bus_info)); + return err; } -static void mlxsw_sp_port_get_pauseparam(struct net_device *dev, - struct ethtool_pauseparam *pause) -{ - struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); - - pause->rx_pause = mlxsw_sp_port->link.rx_pause; - pause->tx_pause = mlxsw_sp_port->link.tx_pause; -} +typedef int (*mlxsw_sp_feature_handler)(struct net_device *dev, bool enable); -static int mlxsw_sp_port_pause_set(struct mlxsw_sp_port *mlxsw_sp_port, - struct ethtool_pauseparam *pause) +static int mlxsw_sp_handle_feature(struct net_device *dev, + netdev_features_t wanted_features, + netdev_features_t feature, + mlxsw_sp_feature_handler feature_handler) { - char pfcc_pl[MLXSW_REG_PFCC_LEN]; - - mlxsw_reg_pfcc_pack(pfcc_pl, mlxsw_sp_port->local_port); - mlxsw_reg_pfcc_pprx_set(pfcc_pl, pause->rx_pause); - mlxsw_reg_pfcc_pptx_set(pfcc_pl, pause->tx_pause); - - return mlxsw_reg_write(mlxsw_sp_port->mlxsw_sp->core, MLXSW_REG(pfcc), - pfcc_pl); -} - -static int mlxsw_sp_port_set_pauseparam(struct net_device *dev, - struct ethtool_pauseparam *pause) -{ - struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); - bool pause_en = pause->tx_pause || pause->rx_pause; + netdev_features_t changes = wanted_features ^ dev->features; + bool enable = !!(wanted_features & feature); int err; - if (mlxsw_sp_port->dcb.pfc && mlxsw_sp_port->dcb.pfc->pfc_en) { - netdev_err(dev, "PFC already enabled on port\n"); - return -EINVAL; - } - - if (pause->autoneg) { - netdev_err(dev, "PAUSE frames autonegotiation isn't supported\n"); - return -EINVAL; - } + if (!(changes & feature)) + return 0; - err = mlxsw_sp_port_headroom_set(mlxsw_sp_port, dev->mtu, pause_en); + err = feature_handler(dev, enable); if (err) { - netdev_err(dev, "Failed to configure port's headroom\n"); + netdev_err(dev, "%s feature %pNF failed, err %d\n", + enable ? "Enable" : "Disable", &feature, err); return err; } - err = mlxsw_sp_port_pause_set(mlxsw_sp_port, pause); - if (err) { - netdev_err(dev, "Failed to set PAUSE parameters\n"); - goto err_port_pause_configure; - } - - mlxsw_sp_port->link.rx_pause = pause->rx_pause; - mlxsw_sp_port->link.tx_pause = pause->tx_pause; + if (enable) + dev->features |= feature; + else + dev->features &= ~feature; return 0; - -err_port_pause_configure: - pause_en = mlxsw_sp_port_is_pause_en(mlxsw_sp_port); - mlxsw_sp_port_headroom_set(mlxsw_sp_port, dev->mtu, pause_en); - return err; } - -struct mlxsw_sp_port_hw_stats { - char str[ETH_GSTRING_LEN]; - u64 (*getter)(const char *payload); - bool cells_bytes; -}; - -static struct mlxsw_sp_port_hw_stats mlxsw_sp_port_hw_stats[] = { - { - .str = "a_frames_transmitted_ok", - .getter = mlxsw_reg_ppcnt_a_frames_transmitted_ok_get, - }, - { - .str = "a_frames_received_ok", - .getter = mlxsw_reg_ppcnt_a_frames_received_ok_get, - }, - { - .str = "a_frame_check_sequence_errors", - .getter = mlxsw_reg_ppcnt_a_frame_check_sequence_errors_get, - }, - { - .str = "a_alignment_errors", - .getter = mlxsw_reg_ppcnt_a_alignment_errors_get, - }, - { - .str = "a_octets_transmitted_ok", - .getter = mlxsw_reg_ppcnt_a_octets_transmitted_ok_get, - }, - { - .str = "a_octets_received_ok", - .getter = mlxsw_reg_ppcnt_a_octets_received_ok_get, - }, - { - .str = "a_multicast_frames_xmitted_ok", - .getter = mlxsw_reg_ppcnt_a_multicast_frames_xmitted_ok_get, - }, - { - .str = "a_broadcast_frames_xmitted_ok", - .getter = mlxsw_reg_ppcnt_a_broadcast_frames_xmitted_ok_get, - }, - { - .str = "a_multicast_frames_received_ok", - .getter = mlxsw_reg_ppcnt_a_multicast_frames_received_ok_get, - }, - { - .str = "a_broadcast_frames_received_ok", - .getter = mlxsw_reg_ppcnt_a_broadcast_frames_received_ok_get, - }, - { - .str = "a_in_range_length_errors", - .getter = mlxsw_reg_ppcnt_a_in_range_length_errors_get, - }, - { - .str = "a_out_of_range_length_field", - .getter = mlxsw_reg_ppcnt_a_out_of_range_length_field_get, - }, - { - .str = "a_frame_too_long_errors", - .getter = mlxsw_reg_ppcnt_a_frame_too_long_errors_get, - }, - { - .str = "a_symbol_error_during_carrier", - .getter = mlxsw_reg_ppcnt_a_symbol_error_during_carrier_get, - }, - { - .str = "a_mac_control_frames_transmitted", - .getter = mlxsw_reg_ppcnt_a_mac_control_frames_transmitted_get, - }, - { - .str = "a_mac_control_frames_received", - .getter = mlxsw_reg_ppcnt_a_mac_control_frames_received_get, - }, - { - .str = "a_unsupported_opcodes_received", - .getter = mlxsw_reg_ppcnt_a_unsupported_opcodes_received_get, - }, - { - .str = "a_pause_mac_ctrl_frames_received", - .getter = mlxsw_reg_ppcnt_a_pause_mac_ctrl_frames_received_get, - }, - { - .str = "a_pause_mac_ctrl_frames_xmitted", - .getter = mlxsw_reg_ppcnt_a_pause_mac_ctrl_frames_transmitted_get, - }, -}; - -#define MLXSW_SP_PORT_HW_STATS_LEN ARRAY_SIZE(mlxsw_sp_port_hw_stats) - -static struct mlxsw_sp_port_hw_stats mlxsw_sp_port_hw_prio_stats[] = { - { - .str = "rx_octets_prio", - .getter = mlxsw_reg_ppcnt_rx_octets_get, - }, - { - .str = "rx_frames_prio", - .getter = mlxsw_reg_ppcnt_rx_frames_get, - }, - { - .str = "tx_octets_prio", - .getter = mlxsw_reg_ppcnt_tx_octets_get, - }, - { - .str = "tx_frames_prio", - .getter = mlxsw_reg_ppcnt_tx_frames_get, - }, - { - .str = "rx_pause_prio", - .getter = mlxsw_reg_ppcnt_rx_pause_get, - }, - { - .str = "rx_pause_duration_prio", - .getter = mlxsw_reg_ppcnt_rx_pause_duration_get, - }, - { - .str = "tx_pause_prio", - .getter = mlxsw_reg_ppcnt_tx_pause_get, - }, - { - .str = "tx_pause_duration_prio", - .getter = mlxsw_reg_ppcnt_tx_pause_duration_get, - }, -}; - -#define MLXSW_SP_PORT_HW_PRIO_STATS_LEN ARRAY_SIZE(mlxsw_sp_port_hw_prio_stats) - -static struct mlxsw_sp_port_hw_stats mlxsw_sp_port_hw_tc_stats[] = { - { - .str = "tc_transmit_queue_tc", - .getter = mlxsw_reg_ppcnt_tc_transmit_queue_get, - .cells_bytes = true, - }, - { - .str = "tc_no_buffer_discard_uc_tc", - .getter = mlxsw_reg_ppcnt_tc_no_buffer_discard_uc_get, - }, -}; - -#define MLXSW_SP_PORT_HW_TC_STATS_LEN ARRAY_SIZE(mlxsw_sp_port_hw_tc_stats) - -#define MLXSW_SP_PORT_ETHTOOL_STATS_LEN (MLXSW_SP_PORT_HW_STATS_LEN + \ - (MLXSW_SP_PORT_HW_PRIO_STATS_LEN + \ - MLXSW_SP_PORT_HW_TC_STATS_LEN) * \ - IEEE_8021QAZ_MAX_TCS) - -static void mlxsw_sp_port_get_prio_strings(u8 **p, int prio) +static int mlxsw_sp_set_features(struct net_device *dev, + netdev_features_t features) { - int i; + netdev_features_t oper_features = dev->features; + int err = 0; - for (i = 0; i < MLXSW_SP_PORT_HW_PRIO_STATS_LEN; i++) { - snprintf(*p, ETH_GSTRING_LEN, "%s_%d", - mlxsw_sp_port_hw_prio_stats[i].str, prio); - *p += ETH_GSTRING_LEN; - } -} + err |= mlxsw_sp_handle_feature(dev, features, NETIF_F_HW_TC, + mlxsw_sp_feature_hw_tc); + err |= mlxsw_sp_handle_feature(dev, features, NETIF_F_LOOPBACK, + mlxsw_sp_feature_loopback); -static void mlxsw_sp_port_get_tc_strings(u8 **p, int tc) -{ - int i; - - for (i = 0; i < MLXSW_SP_PORT_HW_TC_STATS_LEN; i++) { - snprintf(*p, ETH_GSTRING_LEN, "%s_%d", - mlxsw_sp_port_hw_tc_stats[i].str, tc); - *p += ETH_GSTRING_LEN; + if (err) { + dev->features = oper_features; + return -EINVAL; } -} - -static void mlxsw_sp_port_get_strings(struct net_device *dev, - u32 stringset, u8 *data) -{ - u8 *p = data; - int i; - - switch (stringset) { - case ETH_SS_STATS: - for (i = 0; i < MLXSW_SP_PORT_HW_STATS_LEN; i++) { - memcpy(p, mlxsw_sp_port_hw_stats[i].str, - ETH_GSTRING_LEN); - p += ETH_GSTRING_LEN; - } - - for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) - mlxsw_sp_port_get_prio_strings(&p, i); - - for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) - mlxsw_sp_port_get_tc_strings(&p, i); - break; - } + return 0; } -static int mlxsw_sp_port_set_phys_id(struct net_device *dev, - enum ethtool_phys_id_state state) +static int mlxsw_sp_port_hwtstamp_set(struct net_device *dev, + struct kernel_hwtstamp_config *config, + struct netlink_ext_ack *extack) { struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); - struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; - char mlcr_pl[MLXSW_REG_MLCR_LEN]; - bool active; - - switch (state) { - case ETHTOOL_ID_ACTIVE: - active = true; - break; - case ETHTOOL_ID_INACTIVE: - active = false; - break; - default: - return -EOPNOTSUPP; - } - - mlxsw_reg_mlcr_pack(mlcr_pl, mlxsw_sp_port->local_port, active); - return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(mlcr), mlcr_pl); -} -static int -mlxsw_sp_get_hw_stats_by_group(struct mlxsw_sp_port_hw_stats **p_hw_stats, - int *p_len, enum mlxsw_reg_ppcnt_grp grp) -{ - switch (grp) { - case MLXSW_REG_PPCNT_IEEE_8023_CNT: - *p_hw_stats = mlxsw_sp_port_hw_stats; - *p_len = MLXSW_SP_PORT_HW_STATS_LEN; - break; - case MLXSW_REG_PPCNT_PRIO_CNT: - *p_hw_stats = mlxsw_sp_port_hw_prio_stats; - *p_len = MLXSW_SP_PORT_HW_PRIO_STATS_LEN; - break; - case MLXSW_REG_PPCNT_TC_CNT: - *p_hw_stats = mlxsw_sp_port_hw_tc_stats; - *p_len = MLXSW_SP_PORT_HW_TC_STATS_LEN; - break; - default: - WARN_ON(1); - return -EOPNOTSUPP; - } - return 0; + return mlxsw_sp_port->mlxsw_sp->ptp_ops->hwtstamp_set(mlxsw_sp_port, + config, extack); } -static void __mlxsw_sp_port_get_stats(struct net_device *dev, - enum mlxsw_reg_ppcnt_grp grp, int prio, - u64 *data, int data_index) +static int mlxsw_sp_port_hwtstamp_get(struct net_device *dev, + struct kernel_hwtstamp_config *config) { struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); - struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; - struct mlxsw_sp_port_hw_stats *hw_stats; - char ppcnt_pl[MLXSW_REG_PPCNT_LEN]; - int i, len; - int err; - err = mlxsw_sp_get_hw_stats_by_group(&hw_stats, &len, grp); - if (err) - return; - mlxsw_sp_port_get_stats_raw(dev, grp, prio, ppcnt_pl); - for (i = 0; i < len; i++) { - data[data_index + i] = hw_stats[i].getter(ppcnt_pl); - if (!hw_stats[i].cells_bytes) - continue; - data[data_index + i] = mlxsw_sp_cells_bytes(mlxsw_sp, - data[data_index + i]); - } + return mlxsw_sp_port->mlxsw_sp->ptp_ops->hwtstamp_get(mlxsw_sp_port, + config); } -static void mlxsw_sp_port_get_stats(struct net_device *dev, - struct ethtool_stats *stats, u64 *data) +static inline void mlxsw_sp_port_ptp_clear(struct mlxsw_sp_port *mlxsw_sp_port) { - int i, data_index = 0; - - /* IEEE 802.3 Counters */ - __mlxsw_sp_port_get_stats(dev, MLXSW_REG_PPCNT_IEEE_8023_CNT, 0, - data, data_index); - data_index = MLXSW_SP_PORT_HW_STATS_LEN; - - /* Per-Priority Counters */ - for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) { - __mlxsw_sp_port_get_stats(dev, MLXSW_REG_PPCNT_PRIO_CNT, i, - data, data_index); - data_index += MLXSW_SP_PORT_HW_PRIO_STATS_LEN; - } + struct kernel_hwtstamp_config config = {}; - /* Per-TC Counters */ - for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) { - __mlxsw_sp_port_get_stats(dev, MLXSW_REG_PPCNT_TC_CNT, i, - data, data_index); - data_index += MLXSW_SP_PORT_HW_TC_STATS_LEN; - } + mlxsw_sp_port->mlxsw_sp->ptp_ops->hwtstamp_set(mlxsw_sp_port, &config, + NULL); } -static int mlxsw_sp_port_get_sset_count(struct net_device *dev, int sset) -{ - switch (sset) { - case ETH_SS_STATS: - return MLXSW_SP_PORT_ETHTOOL_STATS_LEN; - default: - return -EOPNOTSUPP; - } -} - -struct mlxsw_sp_port_link_mode { - enum ethtool_link_mode_bit_indices mask_ethtool; - u32 mask; - u32 speed; -}; - -static const struct mlxsw_sp_port_link_mode mlxsw_sp_port_link_mode[] = { - { - .mask = MLXSW_REG_PTYS_ETH_SPEED_100BASE_T, - .mask_ethtool = ETHTOOL_LINK_MODE_100baseT_Full_BIT, - .speed = SPEED_100, - }, - { - .mask = MLXSW_REG_PTYS_ETH_SPEED_SGMII | - MLXSW_REG_PTYS_ETH_SPEED_1000BASE_KX, - .mask_ethtool = ETHTOOL_LINK_MODE_1000baseKX_Full_BIT, - .speed = SPEED_1000, - }, - { - .mask = MLXSW_REG_PTYS_ETH_SPEED_10GBASE_T, - .mask_ethtool = ETHTOOL_LINK_MODE_10000baseT_Full_BIT, - .speed = SPEED_10000, - }, - { - .mask = MLXSW_REG_PTYS_ETH_SPEED_10GBASE_CX4 | - MLXSW_REG_PTYS_ETH_SPEED_10GBASE_KX4, - .mask_ethtool = ETHTOOL_LINK_MODE_10000baseKX4_Full_BIT, - .speed = SPEED_10000, - }, - { - .mask = MLXSW_REG_PTYS_ETH_SPEED_10GBASE_KR | - MLXSW_REG_PTYS_ETH_SPEED_10GBASE_CR | - MLXSW_REG_PTYS_ETH_SPEED_10GBASE_SR | - MLXSW_REG_PTYS_ETH_SPEED_10GBASE_ER_LR, - .mask_ethtool = ETHTOOL_LINK_MODE_10000baseKR_Full_BIT, - .speed = SPEED_10000, - }, - { - .mask = MLXSW_REG_PTYS_ETH_SPEED_20GBASE_KR2, - .mask_ethtool = ETHTOOL_LINK_MODE_20000baseKR2_Full_BIT, - .speed = SPEED_20000, - }, - { - .mask = MLXSW_REG_PTYS_ETH_SPEED_40GBASE_CR4, - .mask_ethtool = ETHTOOL_LINK_MODE_40000baseCR4_Full_BIT, - .speed = SPEED_40000, - }, - { - .mask = MLXSW_REG_PTYS_ETH_SPEED_40GBASE_KR4, - .mask_ethtool = ETHTOOL_LINK_MODE_40000baseKR4_Full_BIT, - .speed = SPEED_40000, - }, - { - .mask = MLXSW_REG_PTYS_ETH_SPEED_40GBASE_SR4, - .mask_ethtool = ETHTOOL_LINK_MODE_40000baseSR4_Full_BIT, - .speed = SPEED_40000, - }, - { - .mask = MLXSW_REG_PTYS_ETH_SPEED_40GBASE_LR4_ER4, - .mask_ethtool = ETHTOOL_LINK_MODE_40000baseLR4_Full_BIT, - .speed = SPEED_40000, - }, - { - .mask = MLXSW_REG_PTYS_ETH_SPEED_25GBASE_CR, - .mask_ethtool = ETHTOOL_LINK_MODE_25000baseCR_Full_BIT, - .speed = SPEED_25000, - }, - { - .mask = MLXSW_REG_PTYS_ETH_SPEED_25GBASE_KR, - .mask_ethtool = ETHTOOL_LINK_MODE_25000baseKR_Full_BIT, - .speed = SPEED_25000, - }, - { - .mask = MLXSW_REG_PTYS_ETH_SPEED_25GBASE_SR, - .mask_ethtool = ETHTOOL_LINK_MODE_25000baseSR_Full_BIT, - .speed = SPEED_25000, - }, - { - .mask = MLXSW_REG_PTYS_ETH_SPEED_25GBASE_SR, - .mask_ethtool = ETHTOOL_LINK_MODE_25000baseSR_Full_BIT, - .speed = SPEED_25000, - }, - { - .mask = MLXSW_REG_PTYS_ETH_SPEED_50GBASE_CR2, - .mask_ethtool = ETHTOOL_LINK_MODE_50000baseCR2_Full_BIT, - .speed = SPEED_50000, - }, - { - .mask = MLXSW_REG_PTYS_ETH_SPEED_50GBASE_KR2, - .mask_ethtool = ETHTOOL_LINK_MODE_50000baseKR2_Full_BIT, - .speed = SPEED_50000, - }, - { - .mask = MLXSW_REG_PTYS_ETH_SPEED_50GBASE_SR2, - .mask_ethtool = ETHTOOL_LINK_MODE_50000baseSR2_Full_BIT, - .speed = SPEED_50000, - }, - { - .mask = MLXSW_REG_PTYS_ETH_SPEED_56GBASE_R4, - .mask_ethtool = ETHTOOL_LINK_MODE_56000baseKR4_Full_BIT, - .speed = SPEED_56000, - }, - { - .mask = MLXSW_REG_PTYS_ETH_SPEED_56GBASE_R4, - .mask_ethtool = ETHTOOL_LINK_MODE_56000baseCR4_Full_BIT, - .speed = SPEED_56000, - }, - { - .mask = MLXSW_REG_PTYS_ETH_SPEED_56GBASE_R4, - .mask_ethtool = ETHTOOL_LINK_MODE_56000baseSR4_Full_BIT, - .speed = SPEED_56000, - }, - { - .mask = MLXSW_REG_PTYS_ETH_SPEED_56GBASE_R4, - .mask_ethtool = ETHTOOL_LINK_MODE_56000baseLR4_Full_BIT, - .speed = SPEED_56000, - }, - { - .mask = MLXSW_REG_PTYS_ETH_SPEED_100GBASE_CR4, - .mask_ethtool = ETHTOOL_LINK_MODE_100000baseCR4_Full_BIT, - .speed = SPEED_100000, - }, - { - .mask = MLXSW_REG_PTYS_ETH_SPEED_100GBASE_SR4, - .mask_ethtool = ETHTOOL_LINK_MODE_100000baseSR4_Full_BIT, - .speed = SPEED_100000, - }, - { - .mask = MLXSW_REG_PTYS_ETH_SPEED_100GBASE_KR4, - .mask_ethtool = ETHTOOL_LINK_MODE_100000baseKR4_Full_BIT, - .speed = SPEED_100000, - }, - { - .mask = MLXSW_REG_PTYS_ETH_SPEED_100GBASE_LR4_ER4, - .mask_ethtool = ETHTOOL_LINK_MODE_100000baseLR4_ER4_Full_BIT, - .speed = SPEED_100000, - }, +static const struct net_device_ops mlxsw_sp_port_netdev_ops = { + .ndo_open = mlxsw_sp_port_open, + .ndo_stop = mlxsw_sp_port_stop, + .ndo_start_xmit = mlxsw_sp_port_xmit, + .ndo_setup_tc = mlxsw_sp_setup_tc, + .ndo_set_rx_mode = mlxsw_sp_set_rx_mode, + .ndo_set_mac_address = mlxsw_sp_port_set_mac_address, + .ndo_change_mtu = mlxsw_sp_port_change_mtu, + .ndo_get_stats64 = mlxsw_sp_port_get_stats64, + .ndo_has_offload_stats = mlxsw_sp_port_has_offload_stats, + .ndo_get_offload_stats = mlxsw_sp_port_get_offload_stats, + .ndo_vlan_rx_add_vid = mlxsw_sp_port_add_vid, + .ndo_vlan_rx_kill_vid = mlxsw_sp_port_kill_vid, + .ndo_set_features = mlxsw_sp_set_features, + .ndo_hwtstamp_get = mlxsw_sp_port_hwtstamp_get, + .ndo_hwtstamp_set = mlxsw_sp_port_hwtstamp_set, }; -#define MLXSW_SP_PORT_LINK_MODE_LEN ARRAY_SIZE(mlxsw_sp_port_link_mode) - -static void -mlxsw_sp_from_ptys_supported_port(u32 ptys_eth_proto, - struct ethtool_link_ksettings *cmd) -{ - if (ptys_eth_proto & (MLXSW_REG_PTYS_ETH_SPEED_10GBASE_CR | - MLXSW_REG_PTYS_ETH_SPEED_10GBASE_SR | - MLXSW_REG_PTYS_ETH_SPEED_40GBASE_CR4 | - MLXSW_REG_PTYS_ETH_SPEED_40GBASE_SR4 | - MLXSW_REG_PTYS_ETH_SPEED_100GBASE_SR4 | - MLXSW_REG_PTYS_ETH_SPEED_SGMII)) - ethtool_link_ksettings_add_link_mode(cmd, supported, FIBRE); - - if (ptys_eth_proto & (MLXSW_REG_PTYS_ETH_SPEED_10GBASE_KR | - MLXSW_REG_PTYS_ETH_SPEED_10GBASE_KX4 | - MLXSW_REG_PTYS_ETH_SPEED_40GBASE_KR4 | - MLXSW_REG_PTYS_ETH_SPEED_100GBASE_KR4 | - MLXSW_REG_PTYS_ETH_SPEED_1000BASE_KX)) - ethtool_link_ksettings_add_link_mode(cmd, supported, Backplane); -} - -static void mlxsw_sp_from_ptys_link(u32 ptys_eth_proto, unsigned long *mode) -{ - int i; - - for (i = 0; i < MLXSW_SP_PORT_LINK_MODE_LEN; i++) { - if (ptys_eth_proto & mlxsw_sp_port_link_mode[i].mask) - __set_bit(mlxsw_sp_port_link_mode[i].mask_ethtool, - mode); - } -} - -static void mlxsw_sp_from_ptys_speed_duplex(bool carrier_ok, u32 ptys_eth_proto, - struct ethtool_link_ksettings *cmd) -{ - u32 speed = SPEED_UNKNOWN; - u8 duplex = DUPLEX_UNKNOWN; - int i; - - if (!carrier_ok) - goto out; - - for (i = 0; i < MLXSW_SP_PORT_LINK_MODE_LEN; i++) { - if (ptys_eth_proto & mlxsw_sp_port_link_mode[i].mask) { - speed = mlxsw_sp_port_link_mode[i].speed; - duplex = DUPLEX_FULL; - break; - } - } -out: - cmd->base.speed = speed; - cmd->base.duplex = duplex; -} - -static u8 mlxsw_sp_port_connector_port(u32 ptys_eth_proto) -{ - if (ptys_eth_proto & (MLXSW_REG_PTYS_ETH_SPEED_10GBASE_SR | - MLXSW_REG_PTYS_ETH_SPEED_40GBASE_SR4 | - MLXSW_REG_PTYS_ETH_SPEED_100GBASE_SR4 | - MLXSW_REG_PTYS_ETH_SPEED_SGMII)) - return PORT_FIBRE; - - if (ptys_eth_proto & (MLXSW_REG_PTYS_ETH_SPEED_10GBASE_CR | - MLXSW_REG_PTYS_ETH_SPEED_40GBASE_CR4 | - MLXSW_REG_PTYS_ETH_SPEED_100GBASE_CR4)) - return PORT_DA; - - if (ptys_eth_proto & (MLXSW_REG_PTYS_ETH_SPEED_10GBASE_KR | - MLXSW_REG_PTYS_ETH_SPEED_10GBASE_KX4 | - MLXSW_REG_PTYS_ETH_SPEED_40GBASE_KR4 | - MLXSW_REG_PTYS_ETH_SPEED_100GBASE_KR4)) - return PORT_NONE; - - return PORT_OTHER; -} - -static u32 -mlxsw_sp_to_ptys_advert_link(const struct ethtool_link_ksettings *cmd) -{ - u32 ptys_proto = 0; - int i; - - for (i = 0; i < MLXSW_SP_PORT_LINK_MODE_LEN; i++) { - if (test_bit(mlxsw_sp_port_link_mode[i].mask_ethtool, - cmd->link_modes.advertising)) - ptys_proto |= mlxsw_sp_port_link_mode[i].mask; - } - return ptys_proto; -} - -static u32 mlxsw_sp_to_ptys_speed(u32 speed) -{ - u32 ptys_proto = 0; - int i; - - for (i = 0; i < MLXSW_SP_PORT_LINK_MODE_LEN; i++) { - if (speed == mlxsw_sp_port_link_mode[i].speed) - ptys_proto |= mlxsw_sp_port_link_mode[i].mask; - } - return ptys_proto; -} - -static u32 mlxsw_sp_to_ptys_upper_speed(u32 upper_speed) -{ - u32 ptys_proto = 0; - int i; - - for (i = 0; i < MLXSW_SP_PORT_LINK_MODE_LEN; i++) { - if (mlxsw_sp_port_link_mode[i].speed <= upper_speed) - ptys_proto |= mlxsw_sp_port_link_mode[i].mask; - } - return ptys_proto; -} - -static void mlxsw_sp_port_get_link_supported(u32 eth_proto_cap, - struct ethtool_link_ksettings *cmd) -{ - ethtool_link_ksettings_add_link_mode(cmd, supported, Asym_Pause); - ethtool_link_ksettings_add_link_mode(cmd, supported, Autoneg); - ethtool_link_ksettings_add_link_mode(cmd, supported, Pause); - - mlxsw_sp_from_ptys_supported_port(eth_proto_cap, cmd); - mlxsw_sp_from_ptys_link(eth_proto_cap, cmd->link_modes.supported); -} - -static void mlxsw_sp_port_get_link_advertise(u32 eth_proto_admin, bool autoneg, - struct ethtool_link_ksettings *cmd) -{ - if (!autoneg) - return; - - ethtool_link_ksettings_add_link_mode(cmd, advertising, Autoneg); - mlxsw_sp_from_ptys_link(eth_proto_admin, cmd->link_modes.advertising); -} - -static void -mlxsw_sp_port_get_link_lp_advertise(u32 eth_proto_lp, u8 autoneg_status, - struct ethtool_link_ksettings *cmd) -{ - if (autoneg_status != MLXSW_REG_PTYS_AN_STATUS_OK || !eth_proto_lp) - return; - - ethtool_link_ksettings_add_link_mode(cmd, lp_advertising, Autoneg); - mlxsw_sp_from_ptys_link(eth_proto_lp, cmd->link_modes.lp_advertising); -} - -static int mlxsw_sp_port_get_link_ksettings(struct net_device *dev, - struct ethtool_link_ksettings *cmd) +static int +mlxsw_sp_port_speed_by_width_set(struct mlxsw_sp_port *mlxsw_sp_port) { - u32 eth_proto_cap, eth_proto_admin, eth_proto_oper, eth_proto_lp; - struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; + u32 eth_proto_cap, eth_proto_admin, eth_proto_oper; + const struct mlxsw_sp_port_type_speed_ops *ops; char ptys_pl[MLXSW_REG_PTYS_LEN]; - u8 autoneg_status; - bool autoneg; + u32 eth_proto_cap_masked; int err; - autoneg = mlxsw_sp_port->link.autoneg; - mlxsw_reg_ptys_eth_pack(ptys_pl, mlxsw_sp_port->local_port, 0); + ops = mlxsw_sp->port_type_speed_ops; + + /* Set advertised speeds to speeds supported by both the driver + * and the device. + */ + ops->reg_ptys_eth_pack(mlxsw_sp, ptys_pl, mlxsw_sp_port->local_port, + 0, false); err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(ptys), ptys_pl); if (err) return err; - mlxsw_reg_ptys_eth_unpack(ptys_pl, ð_proto_cap, ð_proto_admin, - ð_proto_oper); - - mlxsw_sp_port_get_link_supported(eth_proto_cap, cmd); - - mlxsw_sp_port_get_link_advertise(eth_proto_admin, autoneg, cmd); - eth_proto_lp = mlxsw_reg_ptys_eth_proto_lp_advertise_get(ptys_pl); - autoneg_status = mlxsw_reg_ptys_an_status_get(ptys_pl); - mlxsw_sp_port_get_link_lp_advertise(eth_proto_lp, autoneg_status, cmd); - - cmd->base.autoneg = autoneg ? AUTONEG_ENABLE : AUTONEG_DISABLE; - cmd->base.port = mlxsw_sp_port_connector_port(eth_proto_oper); - mlxsw_sp_from_ptys_speed_duplex(netif_carrier_ok(dev), eth_proto_oper, - cmd); - - return 0; + ops->reg_ptys_eth_unpack(mlxsw_sp, ptys_pl, ð_proto_cap, + ð_proto_admin, ð_proto_oper); + eth_proto_cap_masked = ops->ptys_proto_cap_masked_get(eth_proto_cap); + ops->reg_ptys_eth_pack(mlxsw_sp, ptys_pl, mlxsw_sp_port->local_port, + eth_proto_cap_masked, + mlxsw_sp_port->link.autoneg); + return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(ptys), ptys_pl); } -static int -mlxsw_sp_port_set_link_ksettings(struct net_device *dev, - const struct ethtool_link_ksettings *cmd) +int mlxsw_sp_port_speed_get(struct mlxsw_sp_port *mlxsw_sp_port, u32 *speed) { - struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); + const struct mlxsw_sp_port_type_speed_ops *port_type_speed_ops; struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; char ptys_pl[MLXSW_REG_PTYS_LEN]; - u32 eth_proto_cap, eth_proto_new; - bool autoneg; + u32 eth_proto_oper; int err; - mlxsw_reg_ptys_eth_pack(ptys_pl, mlxsw_sp_port->local_port, 0); + port_type_speed_ops = mlxsw_sp->port_type_speed_ops; + port_type_speed_ops->reg_ptys_eth_pack(mlxsw_sp, ptys_pl, + mlxsw_sp_port->local_port, 0, + false); err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(ptys), ptys_pl); if (err) return err; - mlxsw_reg_ptys_eth_unpack(ptys_pl, ð_proto_cap, NULL, NULL); - - autoneg = cmd->base.autoneg == AUTONEG_ENABLE; - eth_proto_new = autoneg ? - mlxsw_sp_to_ptys_advert_link(cmd) : - mlxsw_sp_to_ptys_speed(cmd->base.speed); - - eth_proto_new = eth_proto_new & eth_proto_cap; - if (!eth_proto_new) { - netdev_err(dev, "No supported speed requested\n"); - return -EINVAL; - } - - mlxsw_reg_ptys_eth_pack(ptys_pl, mlxsw_sp_port->local_port, - eth_proto_new); - err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(ptys), ptys_pl); - if (err) - return err; - - if (!netif_running(dev)) - return 0; - - mlxsw_sp_port->link.autoneg = autoneg; - - mlxsw_sp_port_admin_status_set(mlxsw_sp_port, false); - mlxsw_sp_port_admin_status_set(mlxsw_sp_port, true); - + port_type_speed_ops->reg_ptys_eth_unpack(mlxsw_sp, ptys_pl, NULL, NULL, + ð_proto_oper); + *speed = port_type_speed_ops->from_ptys_speed(mlxsw_sp, eth_proto_oper); return 0; } -static int mlxsw_sp_flash_device(struct net_device *dev, - struct ethtool_flash *flash) -{ - struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); - struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; - const struct firmware *firmware; - int err; - - if (flash->region != ETHTOOL_FLASH_ALL_REGIONS) - return -EOPNOTSUPP; - - dev_hold(dev); - rtnl_unlock(); - - err = request_firmware_direct(&firmware, flash->data, &dev->dev); - if (err) - goto out; - err = mlxsw_sp_firmware_flash(mlxsw_sp, firmware); - release_firmware(firmware); -out: - rtnl_lock(); - dev_put(dev); - return err; -} - -#define MLXSW_SP_QSFP_I2C_ADDR 0x50 - -static int mlxsw_sp_query_module_eeprom(struct mlxsw_sp_port *mlxsw_sp_port, - u16 offset, u16 size, void *data, - unsigned int *p_read_size) -{ - struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; - char eeprom_tmp[MLXSW_SP_REG_MCIA_EEPROM_SIZE]; - char mcia_pl[MLXSW_REG_MCIA_LEN]; - int status; - int err; - - size = min_t(u16, size, MLXSW_SP_REG_MCIA_EEPROM_SIZE); - mlxsw_reg_mcia_pack(mcia_pl, mlxsw_sp_port->mapping.module, - 0, 0, offset, size, MLXSW_SP_QSFP_I2C_ADDR); - - err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(mcia), mcia_pl); - if (err) - return err; - - status = mlxsw_reg_mcia_status_get(mcia_pl); - if (status) - return -EIO; - - mlxsw_reg_mcia_eeprom_memcpy_from(mcia_pl, eeprom_tmp); - memcpy(data, eeprom_tmp, size); - *p_read_size = size; - - return 0; -} - -enum mlxsw_sp_eeprom_module_info_rev_id { - MLXSW_SP_EEPROM_MODULE_INFO_REV_ID_UNSPC = 0x00, - MLXSW_SP_EEPROM_MODULE_INFO_REV_ID_8436 = 0x01, - MLXSW_SP_EEPROM_MODULE_INFO_REV_ID_8636 = 0x03, -}; - -enum mlxsw_sp_eeprom_module_info_id { - MLXSW_SP_EEPROM_MODULE_INFO_ID_SFP = 0x03, - MLXSW_SP_EEPROM_MODULE_INFO_ID_QSFP = 0x0C, - MLXSW_SP_EEPROM_MODULE_INFO_ID_QSFP_PLUS = 0x0D, - MLXSW_SP_EEPROM_MODULE_INFO_ID_QSFP28 = 0x11, -}; - -enum mlxsw_sp_eeprom_module_info { - MLXSW_SP_EEPROM_MODULE_INFO_ID, - MLXSW_SP_EEPROM_MODULE_INFO_REV_ID, - MLXSW_SP_EEPROM_MODULE_INFO_SIZE, -}; - -static int mlxsw_sp_get_module_info(struct net_device *netdev, - struct ethtool_modinfo *modinfo) -{ - struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(netdev); - u8 module_info[MLXSW_SP_EEPROM_MODULE_INFO_SIZE]; - u8 module_rev_id, module_id; - unsigned int read_size; - int err; - - err = mlxsw_sp_query_module_eeprom(mlxsw_sp_port, 0, - MLXSW_SP_EEPROM_MODULE_INFO_SIZE, - module_info, &read_size); - if (err) - return err; - - if (read_size < MLXSW_SP_EEPROM_MODULE_INFO_SIZE) - return -EIO; - - module_rev_id = module_info[MLXSW_SP_EEPROM_MODULE_INFO_REV_ID]; - module_id = module_info[MLXSW_SP_EEPROM_MODULE_INFO_ID]; - - switch (module_id) { - case MLXSW_SP_EEPROM_MODULE_INFO_ID_QSFP: - modinfo->type = ETH_MODULE_SFF_8436; - modinfo->eeprom_len = ETH_MODULE_SFF_8436_LEN; - break; - case MLXSW_SP_EEPROM_MODULE_INFO_ID_QSFP_PLUS: - case MLXSW_SP_EEPROM_MODULE_INFO_ID_QSFP28: - if (module_id == MLXSW_SP_EEPROM_MODULE_INFO_ID_QSFP28 || - module_rev_id >= MLXSW_SP_EEPROM_MODULE_INFO_REV_ID_8636) { - modinfo->type = ETH_MODULE_SFF_8636; - modinfo->eeprom_len = ETH_MODULE_SFF_8636_LEN; - } else { - modinfo->type = ETH_MODULE_SFF_8436; - modinfo->eeprom_len = ETH_MODULE_SFF_8436_LEN; - } - break; - case MLXSW_SP_EEPROM_MODULE_INFO_ID_SFP: - modinfo->type = ETH_MODULE_SFF_8472; - modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN; - break; - default: - return -EINVAL; - } - - return 0; -} - -static int mlxsw_sp_get_module_eeprom(struct net_device *netdev, - struct ethtool_eeprom *ee, - u8 *data) -{ - struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(netdev); - int offset = ee->offset; - unsigned int read_size; - int i = 0; - int err; - - if (!ee->len) - return -EINVAL; - - memset(data, 0, ee->len); - - while (i < ee->len) { - err = mlxsw_sp_query_module_eeprom(mlxsw_sp_port, offset, - ee->len - i, data + i, - &read_size); - if (err) { - netdev_err(mlxsw_sp_port->dev, "Eeprom query failed\n"); - return err; - } - - i += read_size; - offset += read_size; - } - - return 0; -} - -static const struct ethtool_ops mlxsw_sp_port_ethtool_ops = { - .get_drvinfo = mlxsw_sp_port_get_drvinfo, - .get_link = ethtool_op_get_link, - .get_pauseparam = mlxsw_sp_port_get_pauseparam, - .set_pauseparam = mlxsw_sp_port_set_pauseparam, - .get_strings = mlxsw_sp_port_get_strings, - .set_phys_id = mlxsw_sp_port_set_phys_id, - .get_ethtool_stats = mlxsw_sp_port_get_stats, - .get_sset_count = mlxsw_sp_port_get_sset_count, - .get_link_ksettings = mlxsw_sp_port_get_link_ksettings, - .set_link_ksettings = mlxsw_sp_port_set_link_ksettings, - .flash_device = mlxsw_sp_flash_device, - .get_module_info = mlxsw_sp_get_module_info, - .get_module_eeprom = mlxsw_sp_get_module_eeprom, -}; - -static int -mlxsw_sp_port_speed_by_width_set(struct mlxsw_sp_port *mlxsw_sp_port, u8 width) -{ - struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; - u32 upper_speed = MLXSW_SP_PORT_BASE_SPEED * width; - char ptys_pl[MLXSW_REG_PTYS_LEN]; - u32 eth_proto_admin; - - eth_proto_admin = mlxsw_sp_to_ptys_upper_speed(upper_speed); - mlxsw_reg_ptys_eth_pack(ptys_pl, mlxsw_sp_port->local_port, - eth_proto_admin); - return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(ptys), ptys_pl); -} - int mlxsw_sp_port_ets_set(struct mlxsw_sp_port *mlxsw_sp_port, enum mlxsw_reg_qeec_hr hr, u8 index, u8 next_index, bool dwrr, u8 dwrr_weight) @@ -2695,7 +1272,7 @@ int mlxsw_sp_port_ets_set(struct mlxsw_sp_port *mlxsw_sp_port, int mlxsw_sp_port_ets_maxrate_set(struct mlxsw_sp_port *mlxsw_sp_port, enum mlxsw_reg_qeec_hr hr, u8 index, - u8 next_index, u32 maxrate) + u8 next_index, u32 maxrate, u8 burst_size) { struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; char qeec_pl[MLXSW_REG_QEEC_LEN]; @@ -2704,6 +1281,22 @@ int mlxsw_sp_port_ets_maxrate_set(struct mlxsw_sp_port *mlxsw_sp_port, next_index); mlxsw_reg_qeec_mase_set(qeec_pl, true); mlxsw_reg_qeec_max_shaper_rate_set(qeec_pl, maxrate); + mlxsw_reg_qeec_max_shaper_bs_set(qeec_pl, burst_size); + return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(qeec), qeec_pl); +} + +static int mlxsw_sp_port_min_bw_set(struct mlxsw_sp_port *mlxsw_sp_port, + enum mlxsw_reg_qeec_hr hr, u8 index, + u8 next_index, u32 minrate) +{ + struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; + char qeec_pl[MLXSW_REG_QEEC_LEN]; + + mlxsw_reg_qeec_pack(qeec_pl, mlxsw_sp_port->local_port, hr, index, + next_index); + mlxsw_reg_qeec_mise_set(qeec_pl, true); + mlxsw_reg_qeec_min_shaper_rate_set(qeec_pl, minrate); + return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(qeec), qeec_pl); } @@ -2726,46 +1319,70 @@ static int mlxsw_sp_port_ets_init(struct mlxsw_sp_port *mlxsw_sp_port) * one subgroup, which are all member in the same group. */ err = mlxsw_sp_port_ets_set(mlxsw_sp_port, - MLXSW_REG_QEEC_HIERARCY_GROUP, 0, 0, false, - 0); + MLXSW_REG_QEEC_HR_GROUP, 0, 0, false, 0); if (err) return err; for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) { err = mlxsw_sp_port_ets_set(mlxsw_sp_port, - MLXSW_REG_QEEC_HIERARCY_SUBGROUP, i, + MLXSW_REG_QEEC_HR_SUBGROUP, i, 0, false, 0); if (err) return err; } for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) { err = mlxsw_sp_port_ets_set(mlxsw_sp_port, - MLXSW_REG_QEEC_HIERARCY_TC, i, i, + MLXSW_REG_QEEC_HR_TC, i, i, false, 0); if (err) return err; + + err = mlxsw_sp_port_ets_set(mlxsw_sp_port, + MLXSW_REG_QEEC_HR_TC, + i + 8, i, + true, 100); + if (err) + return err; } - /* Make sure the max shaper is disabled in all hierarcies that - * support it. + /* Make sure the max shaper is disabled in all hierarchies that support + * it. Note that this disables ptps (PTP shaper), but that is intended + * for the initial configuration. */ err = mlxsw_sp_port_ets_maxrate_set(mlxsw_sp_port, - MLXSW_REG_QEEC_HIERARCY_PORT, 0, 0, - MLXSW_REG_QEEC_MAS_DIS); + MLXSW_REG_QEEC_HR_PORT, 0, 0, + MLXSW_REG_QEEC_MAS_DIS, 0); if (err) return err; for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) { err = mlxsw_sp_port_ets_maxrate_set(mlxsw_sp_port, - MLXSW_REG_QEEC_HIERARCY_SUBGROUP, + MLXSW_REG_QEEC_HR_SUBGROUP, i, 0, - MLXSW_REG_QEEC_MAS_DIS); + MLXSW_REG_QEEC_MAS_DIS, 0); if (err) return err; } for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) { err = mlxsw_sp_port_ets_maxrate_set(mlxsw_sp_port, - MLXSW_REG_QEEC_HIERARCY_TC, + MLXSW_REG_QEEC_HR_TC, i, i, - MLXSW_REG_QEEC_MAS_DIS); + MLXSW_REG_QEEC_MAS_DIS, 0); + if (err) + return err; + + err = mlxsw_sp_port_ets_maxrate_set(mlxsw_sp_port, + MLXSW_REG_QEEC_HR_TC, + i + 8, i, + MLXSW_REG_QEEC_MAS_DIS, 0); + if (err) + return err; + } + + /* Configure the min shaper for multicast TCs. */ + for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) { + err = mlxsw_sp_port_min_bw_set(mlxsw_sp_port, + MLXSW_REG_QEEC_HR_TC, + i + 8, i, + MLXSW_REG_QEEC_MIS_MIN); if (err) return err; } @@ -2780,39 +1397,128 @@ static int mlxsw_sp_port_ets_init(struct mlxsw_sp_port *mlxsw_sp_port) return 0; } -static int mlxsw_sp_port_create(struct mlxsw_sp *mlxsw_sp, u8 local_port, - bool split, u8 module, u8 width, u8 lane) +static int mlxsw_sp_port_tc_mc_mode_set(struct mlxsw_sp_port *mlxsw_sp_port, + bool enable) +{ + struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; + char qtctm_pl[MLXSW_REG_QTCTM_LEN]; + + mlxsw_reg_qtctm_pack(qtctm_pl, mlxsw_sp_port->local_port, enable); + return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(qtctm), qtctm_pl); +} + +static int mlxsw_sp_port_overheat_init_val_set(struct mlxsw_sp_port *mlxsw_sp_port) +{ + struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; + u8 slot_index = mlxsw_sp_port->mapping.slot_index; + u8 module = mlxsw_sp_port->mapping.module; + u64 overheat_counter; + int err; + + err = mlxsw_env_module_overheat_counter_get(mlxsw_sp->core, slot_index, + module, &overheat_counter); + if (err) + return err; + + mlxsw_sp_port->module_overheat_initial_val = overheat_counter; + return 0; +} + +int +mlxsw_sp_port_vlan_classification_set(struct mlxsw_sp_port *mlxsw_sp_port, + bool is_8021ad_tagged, + bool is_8021q_tagged) +{ + struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; + char spvc_pl[MLXSW_REG_SPVC_LEN]; + + mlxsw_reg_spvc_pack(spvc_pl, mlxsw_sp_port->local_port, + is_8021ad_tagged, is_8021q_tagged); + return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(spvc), spvc_pl); +} + +static int mlxsw_sp_port_label_info_get(struct mlxsw_sp *mlxsw_sp, + u16 local_port, u8 *port_number, + u8 *split_port_subnumber, + u8 *slot_index) +{ + char pllp_pl[MLXSW_REG_PLLP_LEN]; + int err; + + mlxsw_reg_pllp_pack(pllp_pl, local_port); + err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(pllp), pllp_pl); + if (err) + return err; + mlxsw_reg_pllp_unpack(pllp_pl, port_number, + split_port_subnumber, slot_index); + return 0; +} + +static int mlxsw_sp_port_create(struct mlxsw_sp *mlxsw_sp, u16 local_port, + bool split, + struct mlxsw_sp_port_mapping *port_mapping) { struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan; struct mlxsw_sp_port *mlxsw_sp_port; + u32 lanes = port_mapping->width; + u8 split_port_subnumber; struct net_device *dev; + u8 port_number; + u8 slot_index; + bool splittable; int err; - err = mlxsw_core_port_init(mlxsw_sp->core, local_port); + err = mlxsw_sp_port_module_map(mlxsw_sp, local_port, port_mapping); if (err) { - dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to init core port\n", + dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to map module\n", local_port); return err; } + err = mlxsw_sp_port_swid_set(mlxsw_sp, local_port, 0); + if (err) { + dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to set SWID\n", + local_port); + goto err_port_swid_set; + } + + err = mlxsw_sp_port_label_info_get(mlxsw_sp, local_port, &port_number, + &split_port_subnumber, &slot_index); + if (err) { + dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to get port label information\n", + local_port); + goto err_port_label_info_get; + } + + splittable = lanes > 1 && !split; + err = mlxsw_core_port_init(mlxsw_sp->core, local_port, slot_index, + port_number, split, split_port_subnumber, + splittable, lanes, mlxsw_sp->base_mac, + sizeof(mlxsw_sp->base_mac)); + if (err) { + dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to init core port\n", + local_port); + goto err_core_port_init; + } + dev = alloc_etherdev(sizeof(struct mlxsw_sp_port)); if (!dev) { err = -ENOMEM; goto err_alloc_etherdev; } SET_NETDEV_DEV(dev, mlxsw_sp->bus_info->dev); + dev_net_set(dev, mlxsw_sp_net(mlxsw_sp)); mlxsw_sp_port = netdev_priv(dev); + mlxsw_core_port_netdev_link(mlxsw_sp->core, local_port, + mlxsw_sp_port, dev); mlxsw_sp_port->dev = dev; mlxsw_sp_port->mlxsw_sp = mlxsw_sp; mlxsw_sp_port->local_port = local_port; - mlxsw_sp_port->pvid = 1; + mlxsw_sp_port->pvid = MLXSW_SP_DEFAULT_VID; mlxsw_sp_port->split = split; - mlxsw_sp_port->mapping.module = module; - mlxsw_sp_port->mapping.width = width; - mlxsw_sp_port->mapping.lane = lane; + mlxsw_sp_port->mapping = *port_mapping; mlxsw_sp_port->link.autoneg = 1; INIT_LIST_HEAD(&mlxsw_sp_port->vlans_list); - INIT_LIST_HEAD(&mlxsw_sp_port->mall_tc_list); mlxsw_sp_port->pcpu_stats = netdev_alloc_pcpu_stats(struct mlxsw_sp_port_pcpu_stats); @@ -2821,40 +1527,12 @@ static int mlxsw_sp_port_create(struct mlxsw_sp *mlxsw_sp, u8 local_port, goto err_alloc_stats; } - mlxsw_sp_port->sample = kzalloc(sizeof(*mlxsw_sp_port->sample), - GFP_KERNEL); - if (!mlxsw_sp_port->sample) { - err = -ENOMEM; - goto err_alloc_sample; - } - - mlxsw_sp_port->hw_stats.cache = - kzalloc(sizeof(*mlxsw_sp_port->hw_stats.cache), GFP_KERNEL); - - if (!mlxsw_sp_port->hw_stats.cache) { - err = -ENOMEM; - goto err_alloc_hw_stats; - } - INIT_DELAYED_WORK(&mlxsw_sp_port->hw_stats.update_dw, + INIT_DELAYED_WORK(&mlxsw_sp_port->periodic_hw_stats.update_dw, &update_stats_cache); dev->netdev_ops = &mlxsw_sp_port_netdev_ops; dev->ethtool_ops = &mlxsw_sp_port_ethtool_ops; - err = mlxsw_sp_port_module_map(mlxsw_sp_port, module, width, lane); - if (err) { - dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to map module\n", - mlxsw_sp_port->local_port); - goto err_port_module_map; - } - - err = mlxsw_sp_port_swid_set(mlxsw_sp_port, 0); - if (err) { - dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to set SWID\n", - mlxsw_sp_port->local_port); - goto err_port_swid_set; - } - err = mlxsw_sp_port_dev_addr_init(mlxsw_sp_port); if (err) { dev_err(mlxsw_sp->bus_info->dev, "Port %d: Unable to init port mac address\n", @@ -2864,12 +1542,16 @@ static int mlxsw_sp_port_create(struct mlxsw_sp *mlxsw_sp, u8 local_port, netif_carrier_off(dev); - dev->features |= NETIF_F_NETNS_LOCAL | NETIF_F_LLTX | NETIF_F_SG | - NETIF_F_HW_VLAN_CTAG_FILTER | NETIF_F_HW_TC; - dev->hw_features |= NETIF_F_HW_TC; + dev->features |= NETIF_F_SG | NETIF_F_HW_VLAN_CTAG_FILTER | + NETIF_F_HW_TC | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM; + dev->hw_features |= NETIF_F_HW_TC | NETIF_F_LOOPBACK | + NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM; + dev->vlan_features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM; + dev->lltx = true; + dev->netns_immutable = true; - dev->min_mtu = 0; - dev->max_mtu = ETH_MAX_MTU; + dev->min_mtu = ETH_MIN_MTU; + dev->max_mtu = MLXSW_PORT_MAX_MTU - MLXSW_PORT_ETH_FRAME_HDR; /* Each packet needs to have a Tx header (metadata) on top all other * headers. @@ -2883,13 +1565,21 @@ static int mlxsw_sp_port_create(struct mlxsw_sp *mlxsw_sp, u8 local_port, goto err_port_system_port_mapping_set; } - err = mlxsw_sp_port_speed_by_width_set(mlxsw_sp_port, width); + err = mlxsw_sp_port_speed_by_width_set(mlxsw_sp_port); if (err) { dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to enable speeds\n", mlxsw_sp_port->local_port); goto err_port_speed_by_width_set; } + err = mlxsw_sp->port_type_speed_ops->ptys_max_speed(mlxsw_sp_port, + &mlxsw_sp_port->max_speed); + if (err) { + dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to get maximum speed\n", + mlxsw_sp_port->local_port); + goto err_max_speed_get; + } + err = mlxsw_sp_port_mtu_set(mlxsw_sp_port, ETH_DATA_LEN); if (err) { dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to set MTU\n", @@ -2915,6 +1605,13 @@ static int mlxsw_sp_port_create(struct mlxsw_sp *mlxsw_sp, u8 local_port, goto err_port_ets_init; } + err = mlxsw_sp_port_tc_mc_mode_set(mlxsw_sp_port, true); + if (err) { + dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to initialize TC MC mode\n", + mlxsw_sp_port->local_port); + goto err_port_tc_mc_mode; + } + /* ETS and buffers must be initialized before DCB. */ err = mlxsw_sp_port_dcb_init(mlxsw_sp_port); if (err) { @@ -2930,15 +1627,68 @@ static int mlxsw_sp_port_create(struct mlxsw_sp *mlxsw_sp, u8 local_port, goto err_port_fids_init; } - mlxsw_sp_port_vlan = mlxsw_sp_port_vlan_get(mlxsw_sp_port, 1); + err = mlxsw_sp_tc_qdisc_init(mlxsw_sp_port); + if (err) { + dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to initialize TC qdiscs\n", + mlxsw_sp_port->local_port); + goto err_port_qdiscs_init; + } + + err = mlxsw_sp_port_vlan_set(mlxsw_sp_port, 0, VLAN_N_VID - 1, false, + false); + if (err) { + dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to clear VLAN filter\n", + mlxsw_sp_port->local_port); + goto err_port_vlan_clear; + } + + err = mlxsw_sp_port_nve_init(mlxsw_sp_port); + if (err) { + dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to initialize NVE\n", + mlxsw_sp_port->local_port); + goto err_port_nve_init; + } + + err = mlxsw_sp_port_pvid_set(mlxsw_sp_port, MLXSW_SP_DEFAULT_VID, + ETH_P_8021Q); + if (err) { + dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to set PVID\n", + mlxsw_sp_port->local_port); + goto err_port_pvid_set; + } + + mlxsw_sp_port_vlan = mlxsw_sp_port_vlan_create(mlxsw_sp_port, + MLXSW_SP_DEFAULT_VID); if (IS_ERR(mlxsw_sp_port_vlan)) { dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to create VID 1\n", mlxsw_sp_port->local_port); - goto err_port_vlan_get; + err = PTR_ERR(mlxsw_sp_port_vlan); + goto err_port_vlan_create; } + mlxsw_sp_port->default_vlan = mlxsw_sp_port_vlan; + + /* Set SPVC.et0=true and SPVC.et1=false to make the local port to treat + * only packets with 802.1q header as tagged packets. + */ + err = mlxsw_sp_port_vlan_classification_set(mlxsw_sp_port, false, true); + if (err) { + dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to set default VLAN classification\n", + local_port); + goto err_port_vlan_classification_set; + } + + INIT_DELAYED_WORK(&mlxsw_sp_port->ptp.shaper_dw, + mlxsw_sp->ptp_ops->shaper_work); - mlxsw_sp_port_switchdev_init(mlxsw_sp_port); mlxsw_sp->ports[local_port] = mlxsw_sp_port; + + err = mlxsw_sp_port_overheat_init_val_set(mlxsw_sp_port); + if (err) { + dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to set overheat initial value\n", + mlxsw_sp_port->local_port); + goto err_port_overheat_init_val_set; + } + err = register_netdev(dev); if (err) { dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to register netdev\n", @@ -2946,86 +1696,271 @@ static int mlxsw_sp_port_create(struct mlxsw_sp *mlxsw_sp, u8 local_port, goto err_register_netdev; } - mlxsw_core_port_eth_set(mlxsw_sp->core, mlxsw_sp_port->local_port, - mlxsw_sp_port, dev, mlxsw_sp_port->split, - module); - mlxsw_core_schedule_dw(&mlxsw_sp_port->hw_stats.update_dw, 0); + mlxsw_core_schedule_dw(&mlxsw_sp_port->periodic_hw_stats.update_dw, 0); return 0; err_register_netdev: +err_port_overheat_init_val_set: + mlxsw_sp_port_vlan_classification_set(mlxsw_sp_port, true, true); +err_port_vlan_classification_set: mlxsw_sp->ports[local_port] = NULL; - mlxsw_sp_port_switchdev_fini(mlxsw_sp_port); - mlxsw_sp_port_vlan_put(mlxsw_sp_port_vlan); -err_port_vlan_get: + mlxsw_sp_port_vlan_destroy(mlxsw_sp_port_vlan); +err_port_vlan_create: +err_port_pvid_set: + mlxsw_sp_port_nve_fini(mlxsw_sp_port); +err_port_nve_init: +err_port_vlan_clear: + mlxsw_sp_tc_qdisc_fini(mlxsw_sp_port); +err_port_qdiscs_init: mlxsw_sp_port_fids_fini(mlxsw_sp_port); err_port_fids_init: mlxsw_sp_port_dcb_fini(mlxsw_sp_port); err_port_dcb_init: + mlxsw_sp_port_tc_mc_mode_set(mlxsw_sp_port, false); +err_port_tc_mc_mode: err_port_ets_init: + mlxsw_sp_port_buffers_fini(mlxsw_sp_port); err_port_buffers_init: err_port_admin_status_set: err_port_mtu_set: +err_max_speed_get: err_port_speed_by_width_set: err_port_system_port_mapping_set: err_dev_addr_init: - mlxsw_sp_port_swid_set(mlxsw_sp_port, MLXSW_PORT_SWID_DISABLED_PORT); -err_port_swid_set: - mlxsw_sp_port_module_unmap(mlxsw_sp_port); -err_port_module_map: - kfree(mlxsw_sp_port->hw_stats.cache); -err_alloc_hw_stats: - kfree(mlxsw_sp_port->sample); -err_alloc_sample: free_percpu(mlxsw_sp_port->pcpu_stats); err_alloc_stats: free_netdev(dev); err_alloc_etherdev: mlxsw_core_port_fini(mlxsw_sp->core, local_port); +err_core_port_init: +err_port_label_info_get: + mlxsw_sp_port_swid_set(mlxsw_sp, local_port, + MLXSW_PORT_SWID_DISABLED_PORT); +err_port_swid_set: + mlxsw_sp_port_module_unmap(mlxsw_sp, local_port, + port_mapping->slot_index, + port_mapping->module); return err; } -static void mlxsw_sp_port_remove(struct mlxsw_sp *mlxsw_sp, u8 local_port) +static void mlxsw_sp_port_remove(struct mlxsw_sp *mlxsw_sp, u16 local_port) { struct mlxsw_sp_port *mlxsw_sp_port = mlxsw_sp->ports[local_port]; + u8 slot_index = mlxsw_sp_port->mapping.slot_index; + u8 module = mlxsw_sp_port->mapping.module; - cancel_delayed_work_sync(&mlxsw_sp_port->hw_stats.update_dw); - mlxsw_core_port_clear(mlxsw_sp->core, local_port, mlxsw_sp); + cancel_delayed_work_sync(&mlxsw_sp_port->periodic_hw_stats.update_dw); + cancel_delayed_work_sync(&mlxsw_sp_port->ptp.shaper_dw); unregister_netdev(mlxsw_sp_port->dev); /* This calls ndo_stop */ + mlxsw_sp_port_ptp_clear(mlxsw_sp_port); + mlxsw_sp_port_vlan_classification_set(mlxsw_sp_port, true, true); mlxsw_sp->ports[local_port] = NULL; - mlxsw_sp_port_switchdev_fini(mlxsw_sp_port); - mlxsw_sp_port_vlan_flush(mlxsw_sp_port); + mlxsw_sp_port_vlan_flush(mlxsw_sp_port, true); + mlxsw_sp_port_nve_fini(mlxsw_sp_port); + mlxsw_sp_tc_qdisc_fini(mlxsw_sp_port); mlxsw_sp_port_fids_fini(mlxsw_sp_port); mlxsw_sp_port_dcb_fini(mlxsw_sp_port); - mlxsw_sp_port_swid_set(mlxsw_sp_port, MLXSW_PORT_SWID_DISABLED_PORT); - mlxsw_sp_port_module_unmap(mlxsw_sp_port); - kfree(mlxsw_sp_port->hw_stats.cache); - kfree(mlxsw_sp_port->sample); + mlxsw_sp_port_tc_mc_mode_set(mlxsw_sp_port, false); + mlxsw_sp_port_buffers_fini(mlxsw_sp_port); free_percpu(mlxsw_sp_port->pcpu_stats); WARN_ON_ONCE(!list_empty(&mlxsw_sp_port->vlans_list)); free_netdev(mlxsw_sp_port->dev); mlxsw_core_port_fini(mlxsw_sp->core, local_port); + mlxsw_sp_port_swid_set(mlxsw_sp, local_port, + MLXSW_PORT_SWID_DISABLED_PORT); + mlxsw_sp_port_module_unmap(mlxsw_sp, local_port, slot_index, module); +} + +static int mlxsw_sp_cpu_port_create(struct mlxsw_sp *mlxsw_sp) +{ + struct mlxsw_sp_port *mlxsw_sp_port; + int err; + + mlxsw_sp_port = kzalloc(sizeof(*mlxsw_sp_port), GFP_KERNEL); + if (!mlxsw_sp_port) + return -ENOMEM; + + mlxsw_sp_port->mlxsw_sp = mlxsw_sp; + mlxsw_sp_port->local_port = MLXSW_PORT_CPU_PORT; + + err = mlxsw_core_cpu_port_init(mlxsw_sp->core, + mlxsw_sp_port, + mlxsw_sp->base_mac, + sizeof(mlxsw_sp->base_mac)); + if (err) { + dev_err(mlxsw_sp->bus_info->dev, "Failed to initialize core CPU port\n"); + goto err_core_cpu_port_init; + } + + mlxsw_sp->ports[MLXSW_PORT_CPU_PORT] = mlxsw_sp_port; + return 0; + +err_core_cpu_port_init: + kfree(mlxsw_sp_port); + return err; } -static bool mlxsw_sp_port_created(struct mlxsw_sp *mlxsw_sp, u8 local_port) +static void mlxsw_sp_cpu_port_remove(struct mlxsw_sp *mlxsw_sp) { + struct mlxsw_sp_port *mlxsw_sp_port = + mlxsw_sp->ports[MLXSW_PORT_CPU_PORT]; + + mlxsw_core_cpu_port_fini(mlxsw_sp->core); + mlxsw_sp->ports[MLXSW_PORT_CPU_PORT] = NULL; + kfree(mlxsw_sp_port); +} + +static bool mlxsw_sp_local_port_valid(u16 local_port) +{ + return local_port != MLXSW_PORT_CPU_PORT; +} + +static bool mlxsw_sp_port_created(struct mlxsw_sp *mlxsw_sp, u16 local_port) +{ + if (!mlxsw_sp_local_port_valid(local_port)) + return false; return mlxsw_sp->ports[local_port] != NULL; } +static int mlxsw_sp_port_mapping_event_set(struct mlxsw_sp *mlxsw_sp, + u16 local_port, bool enable) +{ + char pmecr_pl[MLXSW_REG_PMECR_LEN]; + + mlxsw_reg_pmecr_pack(pmecr_pl, local_port, + enable ? MLXSW_REG_PMECR_E_GENERATE_EVENT : + MLXSW_REG_PMECR_E_DO_NOT_GENERATE_EVENT); + return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(pmecr), pmecr_pl); +} + +struct mlxsw_sp_port_mapping_event { + struct list_head list; + char pmlp_pl[MLXSW_REG_PMLP_LEN]; +}; + +static void mlxsw_sp_port_mapping_events_work(struct work_struct *work) +{ + struct mlxsw_sp_port_mapping_event *event, *next_event; + struct mlxsw_sp_port_mapping_events *events; + struct mlxsw_sp_port_mapping port_mapping; + struct mlxsw_sp *mlxsw_sp; + struct devlink *devlink; + LIST_HEAD(event_queue); + u16 local_port; + int err; + + events = container_of(work, struct mlxsw_sp_port_mapping_events, work); + mlxsw_sp = container_of(events, struct mlxsw_sp, port_mapping_events); + devlink = priv_to_devlink(mlxsw_sp->core); + + spin_lock_bh(&events->queue_lock); + list_splice_init(&events->queue, &event_queue); + spin_unlock_bh(&events->queue_lock); + + list_for_each_entry_safe(event, next_event, &event_queue, list) { + local_port = mlxsw_reg_pmlp_local_port_get(event->pmlp_pl); + err = mlxsw_sp_port_module_info_parse(mlxsw_sp, local_port, + event->pmlp_pl, &port_mapping); + if (err) + goto out; + + if (WARN_ON_ONCE(!port_mapping.width)) + goto out; + + devl_lock(devlink); + + if (!mlxsw_sp_port_created(mlxsw_sp, local_port)) + mlxsw_sp_port_create(mlxsw_sp, local_port, + false, &port_mapping); + else + WARN_ON_ONCE(1); + + devl_unlock(devlink); + + mlxsw_sp->port_mapping[local_port] = port_mapping; + +out: + kfree(event); + } +} + +static void +mlxsw_sp_port_mapping_listener_func(const struct mlxsw_reg_info *reg, + char *pmlp_pl, void *priv) +{ + struct mlxsw_sp_port_mapping_events *events; + struct mlxsw_sp_port_mapping_event *event; + struct mlxsw_sp *mlxsw_sp = priv; + u16 local_port; + + local_port = mlxsw_reg_pmlp_local_port_get(pmlp_pl); + if (WARN_ON_ONCE(!mlxsw_sp_local_port_is_valid(mlxsw_sp, local_port))) + return; + + events = &mlxsw_sp->port_mapping_events; + event = kmalloc(sizeof(*event), GFP_ATOMIC); + if (!event) + return; + memcpy(event->pmlp_pl, pmlp_pl, sizeof(event->pmlp_pl)); + spin_lock(&events->queue_lock); + list_add_tail(&event->list, &events->queue); + spin_unlock(&events->queue_lock); + mlxsw_core_schedule_work(&events->work); +} + +static void +__mlxsw_sp_port_mapping_events_cancel(struct mlxsw_sp *mlxsw_sp) +{ + struct mlxsw_sp_port_mapping_event *event, *next_event; + struct mlxsw_sp_port_mapping_events *events; + + events = &mlxsw_sp->port_mapping_events; + + /* Caller needs to make sure that no new event is going to appear. */ + cancel_work_sync(&events->work); + list_for_each_entry_safe(event, next_event, &events->queue, list) { + list_del(&event->list); + kfree(event); + } +} + static void mlxsw_sp_ports_remove(struct mlxsw_sp *mlxsw_sp) { + unsigned int max_ports = mlxsw_core_max_ports(mlxsw_sp->core); int i; - for (i = 1; i < mlxsw_core_max_ports(mlxsw_sp->core); i++) + for (i = 1; i < max_ports; i++) + mlxsw_sp_port_mapping_event_set(mlxsw_sp, i, false); + /* Make sure all scheduled events are processed */ + __mlxsw_sp_port_mapping_events_cancel(mlxsw_sp); + + for (i = 1; i < max_ports; i++) if (mlxsw_sp_port_created(mlxsw_sp, i)) mlxsw_sp_port_remove(mlxsw_sp, i); - kfree(mlxsw_sp->port_to_module); + mlxsw_sp_cpu_port_remove(mlxsw_sp); kfree(mlxsw_sp->ports); + mlxsw_sp->ports = NULL; +} + +static void +mlxsw_sp_ports_remove_selected(struct mlxsw_core *mlxsw_core, + bool (*selector)(void *priv, u16 local_port), + void *priv) +{ + struct mlxsw_sp *mlxsw_sp = mlxsw_core_driver_priv(mlxsw_core); + unsigned int max_ports = mlxsw_core_max_ports(mlxsw_core); + int i; + + for (i = 1; i < max_ports; i++) + if (mlxsw_sp_port_created(mlxsw_sp, i) && selector(priv, i)) + mlxsw_sp_port_remove(mlxsw_sp, i); } static int mlxsw_sp_ports_create(struct mlxsw_sp *mlxsw_sp) { unsigned int max_ports = mlxsw_core_max_ports(mlxsw_sp->core); - u8 module, width, lane; + struct mlxsw_sp_port_mapping_events *events; + struct mlxsw_sp_port_mapping *port_mapping; size_t alloc_size; int i; int err; @@ -3035,137 +1970,193 @@ static int mlxsw_sp_ports_create(struct mlxsw_sp *mlxsw_sp) if (!mlxsw_sp->ports) return -ENOMEM; - mlxsw_sp->port_to_module = kcalloc(max_ports, sizeof(u8), GFP_KERNEL); - if (!mlxsw_sp->port_to_module) { - err = -ENOMEM; - goto err_port_to_module_alloc; - } + events = &mlxsw_sp->port_mapping_events; + INIT_LIST_HEAD(&events->queue); + spin_lock_init(&events->queue_lock); + INIT_WORK(&events->work, mlxsw_sp_port_mapping_events_work); for (i = 1; i < max_ports; i++) { - err = mlxsw_sp_port_module_info_get(mlxsw_sp, i, &module, - &width, &lane); + err = mlxsw_sp_port_mapping_event_set(mlxsw_sp, i, true); if (err) - goto err_port_module_info_get; - if (!width) + goto err_event_enable; + } + + err = mlxsw_sp_cpu_port_create(mlxsw_sp); + if (err) + goto err_cpu_port_create; + + for (i = 1; i < max_ports; i++) { + port_mapping = &mlxsw_sp->port_mapping[i]; + if (!port_mapping->width) continue; - mlxsw_sp->port_to_module[i] = module; - err = mlxsw_sp_port_create(mlxsw_sp, i, false, - module, width, lane); + err = mlxsw_sp_port_create(mlxsw_sp, i, false, port_mapping); if (err) goto err_port_create; } return 0; err_port_create: -err_port_module_info_get: for (i--; i >= 1; i--) if (mlxsw_sp_port_created(mlxsw_sp, i)) mlxsw_sp_port_remove(mlxsw_sp, i); - kfree(mlxsw_sp->port_to_module); -err_port_to_module_alloc: + i = max_ports; + mlxsw_sp_cpu_port_remove(mlxsw_sp); +err_cpu_port_create: +err_event_enable: + for (i--; i >= 1; i--) + mlxsw_sp_port_mapping_event_set(mlxsw_sp, i, false); + /* Make sure all scheduled events are processed */ + __mlxsw_sp_port_mapping_events_cancel(mlxsw_sp); kfree(mlxsw_sp->ports); + mlxsw_sp->ports = NULL; return err; } -static u8 mlxsw_sp_cluster_base_port_get(u8 local_port) +static int mlxsw_sp_port_module_info_init(struct mlxsw_sp *mlxsw_sp) { - u8 offset = (local_port - 1) % MLXSW_SP_PORTS_PER_CLUSTER_MAX; + unsigned int max_ports = mlxsw_core_max_ports(mlxsw_sp->core); + struct mlxsw_sp_port_mapping *port_mapping; + int i; + int err; - return local_port - offset; + mlxsw_sp->port_mapping = kcalloc(max_ports, + sizeof(struct mlxsw_sp_port_mapping), + GFP_KERNEL); + if (!mlxsw_sp->port_mapping) + return -ENOMEM; + + for (i = 1; i < max_ports; i++) { + port_mapping = &mlxsw_sp->port_mapping[i]; + err = mlxsw_sp_port_module_info_get(mlxsw_sp, i, port_mapping); + if (err) + goto err_port_module_info_get; + } + return 0; + +err_port_module_info_get: + kfree(mlxsw_sp->port_mapping); + return err; +} + +static void mlxsw_sp_port_module_info_fini(struct mlxsw_sp *mlxsw_sp) +{ + kfree(mlxsw_sp->port_mapping); } -static int mlxsw_sp_port_split_create(struct mlxsw_sp *mlxsw_sp, u8 base_port, - u8 module, unsigned int count) +static int +mlxsw_sp_port_split_create(struct mlxsw_sp *mlxsw_sp, + struct mlxsw_sp_port_mapping *port_mapping, + unsigned int count, const char *pmtdb_pl) { - u8 width = MLXSW_PORT_MODULE_MAX_WIDTH / count; + struct mlxsw_sp_port_mapping split_port_mapping; int err, i; + split_port_mapping = *port_mapping; + split_port_mapping.width /= count; for (i = 0; i < count; i++) { - err = mlxsw_sp_port_create(mlxsw_sp, base_port + i, true, - module, width, i * width); + u16 s_local_port = mlxsw_reg_pmtdb_port_num_get(pmtdb_pl, i); + + if (!mlxsw_sp_local_port_valid(s_local_port)) + continue; + + err = mlxsw_sp_port_create(mlxsw_sp, s_local_port, + true, &split_port_mapping); if (err) goto err_port_create; + split_port_mapping.lane += split_port_mapping.width; } return 0; err_port_create: - for (i--; i >= 0; i--) - if (mlxsw_sp_port_created(mlxsw_sp, base_port + i)) - mlxsw_sp_port_remove(mlxsw_sp, base_port + i); + for (i--; i >= 0; i--) { + u16 s_local_port = mlxsw_reg_pmtdb_port_num_get(pmtdb_pl, i); + + if (mlxsw_sp_port_created(mlxsw_sp, s_local_port)) + mlxsw_sp_port_remove(mlxsw_sp, s_local_port); + } return err; } static void mlxsw_sp_port_unsplit_create(struct mlxsw_sp *mlxsw_sp, - u8 base_port, unsigned int count) + unsigned int count, + const char *pmtdb_pl) { - u8 local_port, module, width = MLXSW_PORT_MODULE_MAX_WIDTH; + struct mlxsw_sp_port_mapping *port_mapping; int i; - /* Split by four means we need to re-create two ports, otherwise - * only one. - */ - count = count / 2; - + /* Go over original unsplit ports in the gap and recreate them. */ for (i = 0; i < count; i++) { - local_port = base_port + i * 2; - module = mlxsw_sp->port_to_module[local_port]; + u16 local_port = mlxsw_reg_pmtdb_port_num_get(pmtdb_pl, i); - mlxsw_sp_port_create(mlxsw_sp, local_port, false, module, - width, 0); + port_mapping = &mlxsw_sp->port_mapping[local_port]; + if (!port_mapping->width || !mlxsw_sp_local_port_valid(local_port)) + continue; + mlxsw_sp_port_create(mlxsw_sp, local_port, + false, port_mapping); } } -static int mlxsw_sp_port_split(struct mlxsw_core *mlxsw_core, u8 local_port, - unsigned int count) +static struct mlxsw_sp_port * +mlxsw_sp_port_get_by_local_port(struct mlxsw_sp *mlxsw_sp, u16 local_port) +{ + if (mlxsw_sp->ports && mlxsw_sp->ports[local_port]) + return mlxsw_sp->ports[local_port]; + return NULL; +} + +static int mlxsw_sp_port_split(struct mlxsw_core *mlxsw_core, u16 local_port, + unsigned int count, + struct netlink_ext_ack *extack) { struct mlxsw_sp *mlxsw_sp = mlxsw_core_driver_priv(mlxsw_core); + struct mlxsw_sp_port_mapping port_mapping; struct mlxsw_sp_port *mlxsw_sp_port; - u8 module, cur_width, base_port; + enum mlxsw_reg_pmtdb_status status; + char pmtdb_pl[MLXSW_REG_PMTDB_LEN]; int i; int err; - mlxsw_sp_port = mlxsw_sp->ports[local_port]; + mlxsw_sp_port = mlxsw_sp_port_get_by_local_port(mlxsw_sp, local_port); if (!mlxsw_sp_port) { dev_err(mlxsw_sp->bus_info->dev, "Port number \"%d\" does not exist\n", local_port); + NL_SET_ERR_MSG_MOD(extack, "Port number does not exist"); return -EINVAL; } - module = mlxsw_sp_port->mapping.module; - cur_width = mlxsw_sp_port->mapping.width; - - if (count != 2 && count != 4) { - netdev_err(mlxsw_sp_port->dev, "Port can only be split into 2 or 4 ports\n"); + if (mlxsw_sp_port->split) { + NL_SET_ERR_MSG_MOD(extack, "Port is already split"); return -EINVAL; } - if (cur_width != MLXSW_PORT_MODULE_MAX_WIDTH) { - netdev_err(mlxsw_sp_port->dev, "Port cannot be split further\n"); - return -EINVAL; + mlxsw_reg_pmtdb_pack(pmtdb_pl, mlxsw_sp_port->mapping.slot_index, + mlxsw_sp_port->mapping.module, + mlxsw_sp_port->mapping.module_width / count, + count); + err = mlxsw_reg_query(mlxsw_core, MLXSW_REG(pmtdb), pmtdb_pl); + if (err) { + NL_SET_ERR_MSG_MOD(extack, "Failed to query split info"); + return err; } - /* Make sure we have enough slave (even) ports for the split. */ - if (count == 2) { - base_port = local_port; - if (mlxsw_sp->ports[base_port + 1]) { - netdev_err(mlxsw_sp_port->dev, "Invalid split configuration\n"); - return -EINVAL; - } - } else { - base_port = mlxsw_sp_cluster_base_port_get(local_port); - if (mlxsw_sp->ports[base_port + 1] || - mlxsw_sp->ports[base_port + 3]) { - netdev_err(mlxsw_sp_port->dev, "Invalid split configuration\n"); - return -EINVAL; - } + status = mlxsw_reg_pmtdb_status_get(pmtdb_pl); + if (status != MLXSW_REG_PMTDB_STATUS_SUCCESS) { + NL_SET_ERR_MSG_MOD(extack, "Unsupported split configuration"); + return -EINVAL; } - for (i = 0; i < count; i++) - if (mlxsw_sp_port_created(mlxsw_sp, base_port + i)) - mlxsw_sp_port_remove(mlxsw_sp, base_port + i); + port_mapping = mlxsw_sp_port->mapping; + + for (i = 0; i < count; i++) { + u16 s_local_port = mlxsw_reg_pmtdb_port_num_get(pmtdb_pl, i); + + if (mlxsw_sp_port_created(mlxsw_sp, s_local_port)) + mlxsw_sp_port_remove(mlxsw_sp, s_local_port); + } - err = mlxsw_sp_port_split_create(mlxsw_sp, base_port, module, count); + err = mlxsw_sp_port_split_create(mlxsw_sp, &port_mapping, + count, pmtdb_pl); if (err) { dev_err(mlxsw_sp->bus_info->dev, "Failed to create split ports\n"); goto err_port_split_create; @@ -3174,57 +2165,80 @@ static int mlxsw_sp_port_split(struct mlxsw_core *mlxsw_core, u8 local_port, return 0; err_port_split_create: - mlxsw_sp_port_unsplit_create(mlxsw_sp, base_port, count); + mlxsw_sp_port_unsplit_create(mlxsw_sp, count, pmtdb_pl); + return err; } -static int mlxsw_sp_port_unsplit(struct mlxsw_core *mlxsw_core, u8 local_port) +static int mlxsw_sp_port_unsplit(struct mlxsw_core *mlxsw_core, u16 local_port, + struct netlink_ext_ack *extack) { struct mlxsw_sp *mlxsw_sp = mlxsw_core_driver_priv(mlxsw_core); struct mlxsw_sp_port *mlxsw_sp_port; - u8 cur_width, base_port; + char pmtdb_pl[MLXSW_REG_PMTDB_LEN]; unsigned int count; int i; + int err; - mlxsw_sp_port = mlxsw_sp->ports[local_port]; + mlxsw_sp_port = mlxsw_sp_port_get_by_local_port(mlxsw_sp, local_port); if (!mlxsw_sp_port) { dev_err(mlxsw_sp->bus_info->dev, "Port number \"%d\" does not exist\n", local_port); + NL_SET_ERR_MSG_MOD(extack, "Port number does not exist"); return -EINVAL; } if (!mlxsw_sp_port->split) { - netdev_err(mlxsw_sp_port->dev, "Port wasn't split\n"); + NL_SET_ERR_MSG_MOD(extack, "Port was not split"); return -EINVAL; } - cur_width = mlxsw_sp_port->mapping.width; - count = cur_width == 1 ? 4 : 2; + count = mlxsw_sp_port->mapping.module_width / + mlxsw_sp_port->mapping.width; - base_port = mlxsw_sp_cluster_base_port_get(local_port); + mlxsw_reg_pmtdb_pack(pmtdb_pl, mlxsw_sp_port->mapping.slot_index, + mlxsw_sp_port->mapping.module, + mlxsw_sp_port->mapping.module_width / count, + count); + err = mlxsw_reg_query(mlxsw_core, MLXSW_REG(pmtdb), pmtdb_pl); + if (err) { + NL_SET_ERR_MSG_MOD(extack, "Failed to query split info"); + return err; + } - /* Determine which ports to remove. */ - if (count == 2 && local_port >= base_port + 2) - base_port = base_port + 2; + for (i = 0; i < count; i++) { + u16 s_local_port = mlxsw_reg_pmtdb_port_num_get(pmtdb_pl, i); - for (i = 0; i < count; i++) - if (mlxsw_sp_port_created(mlxsw_sp, base_port + i)) - mlxsw_sp_port_remove(mlxsw_sp, base_port + i); + if (mlxsw_sp_port_created(mlxsw_sp, s_local_port)) + mlxsw_sp_port_remove(mlxsw_sp, s_local_port); + } - mlxsw_sp_port_unsplit_create(mlxsw_sp, base_port, count); + mlxsw_sp_port_unsplit_create(mlxsw_sp, count, pmtdb_pl); return 0; } +static void +mlxsw_sp_port_down_wipe_counters(struct mlxsw_sp_port *mlxsw_sp_port) +{ + int i; + + for (i = 0; i < TC_MAX_QUEUE; i++) + mlxsw_sp_port->periodic_hw_stats.xstats.backlog[i] = 0; +} + static void mlxsw_sp_pude_event_func(const struct mlxsw_reg_info *reg, char *pude_pl, void *priv) { struct mlxsw_sp *mlxsw_sp = priv; struct mlxsw_sp_port *mlxsw_sp_port; enum mlxsw_reg_pude_oper_status status; - u8 local_port; + u16 local_port; local_port = mlxsw_reg_pude_local_port_get(pude_pl); + + if (WARN_ON_ONCE(!mlxsw_sp_local_port_is_valid(mlxsw_sp, local_port))) + return; mlxsw_sp_port = mlxsw_sp->ports[local_port]; if (!mlxsw_sp_port) return; @@ -3233,14 +2247,56 @@ static void mlxsw_sp_pude_event_func(const struct mlxsw_reg_info *reg, if (status == MLXSW_PORT_OPER_STATUS_UP) { netdev_info(mlxsw_sp_port->dev, "link up\n"); netif_carrier_on(mlxsw_sp_port->dev); + mlxsw_core_schedule_dw(&mlxsw_sp_port->ptp.shaper_dw, 0); } else { netdev_info(mlxsw_sp_port->dev, "link down\n"); netif_carrier_off(mlxsw_sp_port->dev); + mlxsw_sp_port_down_wipe_counters(mlxsw_sp_port); } } -static void mlxsw_sp_rx_listener_no_mark_func(struct sk_buff *skb, - u8 local_port, void *priv) +static void mlxsw_sp1_ptp_fifo_event_func(struct mlxsw_sp *mlxsw_sp, + char *mtpptr_pl, bool ingress) +{ + u16 local_port; + u8 num_rec; + int i; + + local_port = mlxsw_reg_mtpptr_local_port_get(mtpptr_pl); + num_rec = mlxsw_reg_mtpptr_num_rec_get(mtpptr_pl); + for (i = 0; i < num_rec; i++) { + u8 domain_number; + u8 message_type; + u16 sequence_id; + u64 timestamp; + + mlxsw_reg_mtpptr_unpack(mtpptr_pl, i, &message_type, + &domain_number, &sequence_id, + ×tamp); + mlxsw_sp1_ptp_got_timestamp(mlxsw_sp, ingress, local_port, + message_type, domain_number, + sequence_id, timestamp); + } +} + +static void mlxsw_sp1_ptp_ing_fifo_event_func(const struct mlxsw_reg_info *reg, + char *mtpptr_pl, void *priv) +{ + struct mlxsw_sp *mlxsw_sp = priv; + + mlxsw_sp1_ptp_fifo_event_func(mlxsw_sp, mtpptr_pl, true); +} + +static void mlxsw_sp1_ptp_egr_fifo_event_func(const struct mlxsw_reg_info *reg, + char *mtpptr_pl, void *priv) +{ + struct mlxsw_sp *mlxsw_sp = priv; + + mlxsw_sp1_ptp_fifo_event_func(mlxsw_sp, mtpptr_pl, false); +} + +void mlxsw_sp_rx_listener_no_mark_func(struct sk_buff *skb, + u16 local_port, void *priv) { struct mlxsw_sp *mlxsw_sp = priv; struct mlxsw_sp_port *mlxsw_sp_port = mlxsw_sp->ports[local_port]; @@ -3261,49 +2317,28 @@ static void mlxsw_sp_rx_listener_no_mark_func(struct sk_buff *skb, u64_stats_update_end(&pcpu_stats->syncp); skb->protocol = eth_type_trans(skb, skb->dev); - netif_receive_skb(skb); + napi_gro_receive(mlxsw_skb_cb(skb)->rx_md_info.napi, skb); } -static void mlxsw_sp_rx_listener_mark_func(struct sk_buff *skb, u8 local_port, +static void mlxsw_sp_rx_listener_mark_func(struct sk_buff *skb, u16 local_port, void *priv) { skb->offload_fwd_mark = 1; return mlxsw_sp_rx_listener_no_mark_func(skb, local_port, priv); } -static void mlxsw_sp_rx_listener_sample_func(struct sk_buff *skb, u8 local_port, - void *priv) +static void mlxsw_sp_rx_listener_l3_mark_func(struct sk_buff *skb, + u16 local_port, void *priv) { - struct mlxsw_sp *mlxsw_sp = priv; - struct mlxsw_sp_port *mlxsw_sp_port = mlxsw_sp->ports[local_port]; - struct psample_group *psample_group; - u32 size; - - if (unlikely(!mlxsw_sp_port)) { - dev_warn_ratelimited(mlxsw_sp->bus_info->dev, "Port %d: sample skb received for non-existent port\n", - local_port); - goto out; - } - if (unlikely(!mlxsw_sp_port->sample)) { - dev_warn_ratelimited(mlxsw_sp->bus_info->dev, "Port %d: sample skb received on unsupported port\n", - local_port); - goto out; - } - - size = mlxsw_sp_port->sample->truncate ? - mlxsw_sp_port->sample->trunc_size : skb->len; + skb->offload_l3_fwd_mark = 1; + skb->offload_fwd_mark = 1; + return mlxsw_sp_rx_listener_no_mark_func(skb, local_port, priv); +} - rcu_read_lock(); - psample_group = rcu_dereference(mlxsw_sp_port->sample->psample_group); - if (!psample_group) - goto out_unlock; - psample_sample_packet(psample_group, skb, size, - mlxsw_sp_port->dev->ifindex, 0, - mlxsw_sp_port->sample->rate); -out_unlock: - rcu_read_unlock(); -out: - consume_skb(skb); +void mlxsw_sp_ptp_receive(struct mlxsw_sp *mlxsw_sp, struct sk_buff *skb, + u16 local_port) +{ + mlxsw_sp->ptp_ops->receive(mlxsw_sp, skb, local_port); } #define MLXSW_SP_RXL_NO_MARK(_trap_id, _action, _trap_group, _is_ctrl) \ @@ -3314,6 +2349,10 @@ out: MLXSW_RXL(mlxsw_sp_rx_listener_mark_func, _trap_id, _action, \ _is_ctrl, SP_##_trap_group, DISCARD) +#define MLXSW_SP_RXL_L3_MARK(_trap_id, _action, _trap_group, _is_ctrl) \ + MLXSW_RXL(mlxsw_sp_rx_listener_l3_mark_func, _trap_id, _action, \ + _is_ctrl, SP_##_trap_group, DISCARD) + #define MLXSW_SP_EVENTL(_func, _trap_id) \ MLXSW_EVENTL(_func, _trap_id, SP_EVENT) @@ -3321,36 +2360,42 @@ static const struct mlxsw_listener mlxsw_sp_listener[] = { /* Events */ MLXSW_SP_EVENTL(mlxsw_sp_pude_event_func, PUDE), /* L2 traps */ - MLXSW_SP_RXL_NO_MARK(STP, TRAP_TO_CPU, STP, true), - MLXSW_SP_RXL_NO_MARK(LACP, TRAP_TO_CPU, LACP, true), - MLXSW_SP_RXL_NO_MARK(LLDP, TRAP_TO_CPU, LLDP, true), - MLXSW_SP_RXL_MARK(DHCP, MIRROR_TO_CPU, DHCP, false), - MLXSW_SP_RXL_MARK(IGMP_QUERY, MIRROR_TO_CPU, IGMP, false), - MLXSW_SP_RXL_NO_MARK(IGMP_V1_REPORT, TRAP_TO_CPU, IGMP, false), - MLXSW_SP_RXL_NO_MARK(IGMP_V2_REPORT, TRAP_TO_CPU, IGMP, false), - MLXSW_SP_RXL_NO_MARK(IGMP_V2_LEAVE, TRAP_TO_CPU, IGMP, false), - MLXSW_SP_RXL_NO_MARK(IGMP_V3_REPORT, TRAP_TO_CPU, IGMP, false), - MLXSW_SP_RXL_MARK(ARPBC, MIRROR_TO_CPU, ARP, false), - MLXSW_SP_RXL_MARK(ARPUC, MIRROR_TO_CPU, ARP, false), - MLXSW_SP_RXL_NO_MARK(FID_MISS, TRAP_TO_CPU, IP2ME, false), + MLXSW_SP_RXL_NO_MARK(FID_MISS, TRAP_TO_CPU, FID_MISS, false), /* L3 traps */ - MLXSW_SP_RXL_NO_MARK(MTUERROR, TRAP_TO_CPU, ROUTER_EXP, false), - MLXSW_SP_RXL_NO_MARK(TTLERROR, TRAP_TO_CPU, ROUTER_EXP, false), - MLXSW_SP_RXL_NO_MARK(LBERROR, TRAP_TO_CPU, ROUTER_EXP, false), - MLXSW_SP_RXL_MARK(OSPF, TRAP_TO_CPU, OSPF, false), - MLXSW_SP_RXL_NO_MARK(IP2ME, TRAP_TO_CPU, IP2ME, false), - MLXSW_SP_RXL_NO_MARK(RTR_INGRESS0, TRAP_TO_CPU, REMOTE_ROUTE, false), - MLXSW_SP_RXL_NO_MARK(HOST_MISS_IPV4, TRAP_TO_CPU, ARP_MISS, false), - MLXSW_SP_RXL_NO_MARK(BGP_IPV4, TRAP_TO_CPU, BGP_IPV4, false), - /* PKT Sample trap */ - MLXSW_RXL(mlxsw_sp_rx_listener_sample_func, PKT_SAMPLE, MIRROR_TO_CPU, - false, SP_IP2ME, DISCARD), - /* ACL trap */ - MLXSW_SP_RXL_NO_MARK(ACL0, TRAP_TO_CPU, IP2ME, false), + MLXSW_SP_RXL_MARK(IPV6_UNSPECIFIED_ADDRESS, TRAP_TO_CPU, ROUTER_EXP, + false), + MLXSW_SP_RXL_MARK(IPV6_LINK_LOCAL_SRC, TRAP_TO_CPU, ROUTER_EXP, false), + MLXSW_SP_RXL_MARK(IPV6_MC_LINK_LOCAL_DEST, TRAP_TO_CPU, ROUTER_EXP, + false), + MLXSW_SP_RXL_NO_MARK(DISCARD_ING_ROUTER_SIP_CLASS_E, FORWARD, + ROUTER_EXP, false), + MLXSW_SP_RXL_NO_MARK(DISCARD_ING_ROUTER_MC_DMAC, FORWARD, + ROUTER_EXP, false), + MLXSW_SP_RXL_NO_MARK(DISCARD_ING_ROUTER_SIP_DIP, FORWARD, + ROUTER_EXP, false), + MLXSW_SP_RXL_NO_MARK(DISCARD_ING_ROUTER_DIP_LINK_LOCAL, FORWARD, + ROUTER_EXP, false), + MLXSW_SP_RXL_NO_MARK(DISCARD_ING_ROUTER_SIP_LINK_LOCAL, FORWARD, + ROUTER_EXP, false), + /* Multicast Router Traps */ + MLXSW_SP_RXL_MARK(ACL1, TRAP_TO_CPU, MULTICAST, false), + MLXSW_SP_RXL_L3_MARK(ACL2, TRAP_TO_CPU, MULTICAST, false), +}; + +static const struct mlxsw_listener mlxsw_sp1_listener[] = { + /* Events */ + MLXSW_EVENTL(mlxsw_sp1_ptp_egr_fifo_event_func, PTP_EGR_FIFO, SP_PTP0), + MLXSW_EVENTL(mlxsw_sp1_ptp_ing_fifo_event_func, PTP_ING_FIFO, SP_PTP0), +}; + +static const struct mlxsw_listener mlxsw_sp2_listener[] = { + /* Events */ + MLXSW_SP_EVENTL(mlxsw_sp_port_mapping_listener_func, PMLPE), }; static int mlxsw_sp_cpu_policers_set(struct mlxsw_core *mlxsw_core) { + struct mlxsw_sp *mlxsw_sp = mlxsw_core_driver_priv(mlxsw_core); char qpcr_pl[MLXSW_REG_QPCR_LEN]; enum mlxsw_reg_qpcr_ir_units ir_units; int max_cpu_policers; @@ -3368,35 +2413,17 @@ static int mlxsw_sp_cpu_policers_set(struct mlxsw_core *mlxsw_core) for (i = 0; i < max_cpu_policers; i++) { is_bytes = false; switch (i) { - case MLXSW_REG_HTGT_TRAP_GROUP_SP_STP: - case MLXSW_REG_HTGT_TRAP_GROUP_SP_LACP: - case MLXSW_REG_HTGT_TRAP_GROUP_SP_LLDP: - case MLXSW_REG_HTGT_TRAP_GROUP_SP_OSPF: - rate = 128; - burst_size = 7; - break; - case MLXSW_REG_HTGT_TRAP_GROUP_SP_IGMP: - rate = 16 * 1024; - burst_size = 10; - break; - case MLXSW_REG_HTGT_TRAP_GROUP_SP_BGP_IPV4: - case MLXSW_REG_HTGT_TRAP_GROUP_SP_ARP: - case MLXSW_REG_HTGT_TRAP_GROUP_SP_DHCP: - case MLXSW_REG_HTGT_TRAP_GROUP_SP_ARP_MISS: case MLXSW_REG_HTGT_TRAP_GROUP_SP_ROUTER_EXP: - case MLXSW_REG_HTGT_TRAP_GROUP_SP_REMOTE_ROUTE: + case MLXSW_REG_HTGT_TRAP_GROUP_SP_MULTICAST: + case MLXSW_REG_HTGT_TRAP_GROUP_SP_FID_MISS: rate = 1024; burst_size = 7; break; - case MLXSW_REG_HTGT_TRAP_GROUP_SP_IP2ME: - is_bytes = true; - rate = 4 * 1024; - burst_size = 4; - break; default: continue; } + __set_bit(i, mlxsw_sp->trap->policers_usage); mlxsw_reg_qpcr_pack(qpcr_pl, i, ir_units, is_bytes, rate, burst_size); err = mlxsw_reg_write(mlxsw_core, MLXSW_REG(qpcr), qpcr_pl); @@ -3426,30 +2453,9 @@ static int mlxsw_sp_trap_groups_set(struct mlxsw_core *mlxsw_core) for (i = 0; i < max_trap_groups; i++) { policer_id = i; switch (i) { - case MLXSW_REG_HTGT_TRAP_GROUP_SP_STP: - case MLXSW_REG_HTGT_TRAP_GROUP_SP_LACP: - case MLXSW_REG_HTGT_TRAP_GROUP_SP_LLDP: - case MLXSW_REG_HTGT_TRAP_GROUP_SP_OSPF: - priority = 5; - tc = 5; - break; - case MLXSW_REG_HTGT_TRAP_GROUP_SP_BGP_IPV4: - case MLXSW_REG_HTGT_TRAP_GROUP_SP_DHCP: - priority = 4; - tc = 4; - break; - case MLXSW_REG_HTGT_TRAP_GROUP_SP_IGMP: - case MLXSW_REG_HTGT_TRAP_GROUP_SP_IP2ME: - priority = 3; - tc = 3; - break; - case MLXSW_REG_HTGT_TRAP_GROUP_SP_ARP: - priority = 2; - tc = 2; - break; - case MLXSW_REG_HTGT_TRAP_GROUP_SP_ARP_MISS: case MLXSW_REG_HTGT_TRAP_GROUP_SP_ROUTER_EXP: - case MLXSW_REG_HTGT_TRAP_GROUP_SP_REMOTE_ROUTE: + case MLXSW_REG_HTGT_TRAP_GROUP_SP_MULTICAST: + case MLXSW_REG_HTGT_TRAP_GROUP_SP_FID_MISS: priority = 1; tc = 1; break; @@ -3477,52 +2483,123 @@ static int mlxsw_sp_trap_groups_set(struct mlxsw_core *mlxsw_core) static int mlxsw_sp_traps_init(struct mlxsw_sp *mlxsw_sp) { - int i; + struct mlxsw_sp_trap *trap; + u64 max_policers; int err; + if (!MLXSW_CORE_RES_VALID(mlxsw_sp->core, MAX_CPU_POLICERS)) + return -EIO; + max_policers = MLXSW_CORE_RES_GET(mlxsw_sp->core, MAX_CPU_POLICERS); + trap = kzalloc(struct_size(trap, policers_usage, + BITS_TO_LONGS(max_policers)), GFP_KERNEL); + if (!trap) + return -ENOMEM; + trap->max_policers = max_policers; + mlxsw_sp->trap = trap; + err = mlxsw_sp_cpu_policers_set(mlxsw_sp->core); if (err) - return err; + goto err_cpu_policers_set; err = mlxsw_sp_trap_groups_set(mlxsw_sp->core); if (err) - return err; + goto err_trap_groups_set; - for (i = 0; i < ARRAY_SIZE(mlxsw_sp_listener); i++) { - err = mlxsw_core_trap_register(mlxsw_sp->core, - &mlxsw_sp_listener[i], - mlxsw_sp); - if (err) - goto err_listener_register; + err = mlxsw_core_traps_register(mlxsw_sp->core, mlxsw_sp_listener, + ARRAY_SIZE(mlxsw_sp_listener), + mlxsw_sp); + if (err) + goto err_traps_register; + + err = mlxsw_core_traps_register(mlxsw_sp->core, mlxsw_sp->listeners, + mlxsw_sp->listeners_count, mlxsw_sp); + if (err) + goto err_extra_traps_init; - } return 0; -err_listener_register: - for (i--; i >= 0; i--) { - mlxsw_core_trap_unregister(mlxsw_sp->core, - &mlxsw_sp_listener[i], - mlxsw_sp); - } +err_extra_traps_init: + mlxsw_core_traps_unregister(mlxsw_sp->core, mlxsw_sp_listener, + ARRAY_SIZE(mlxsw_sp_listener), + mlxsw_sp); +err_traps_register: +err_trap_groups_set: +err_cpu_policers_set: + kfree(trap); return err; } static void mlxsw_sp_traps_fini(struct mlxsw_sp *mlxsw_sp) { - int i; + mlxsw_core_traps_unregister(mlxsw_sp->core, mlxsw_sp->listeners, + mlxsw_sp->listeners_count, + mlxsw_sp); + mlxsw_core_traps_unregister(mlxsw_sp->core, mlxsw_sp_listener, + ARRAY_SIZE(mlxsw_sp_listener), mlxsw_sp); + kfree(mlxsw_sp->trap); +} - for (i = 0; i < ARRAY_SIZE(mlxsw_sp_listener); i++) { - mlxsw_core_trap_unregister(mlxsw_sp->core, - &mlxsw_sp_listener[i], - mlxsw_sp); +static int mlxsw_sp_lag_pgt_init(struct mlxsw_sp *mlxsw_sp) +{ + char sgcr_pl[MLXSW_REG_SGCR_LEN]; + int err; + + if (mlxsw_core_lag_mode(mlxsw_sp->core) != + MLXSW_CMD_MBOX_CONFIG_PROFILE_LAG_MODE_SW) + return 0; + + /* In DDD mode, which we by default use, each LAG entry is 8 PGT + * entries. The LAG table address needs to be 8-aligned, but that ought + * to be the case, since the LAG table is allocated first. + */ + err = mlxsw_sp_pgt_mid_alloc_range(mlxsw_sp, &mlxsw_sp->lag_pgt_base, + mlxsw_sp->max_lag * 8); + if (err) + return err; + if (WARN_ON_ONCE(mlxsw_sp->lag_pgt_base % 8)) { + err = -EINVAL; + goto err_mid_alloc_range; } + + mlxsw_reg_sgcr_pack(sgcr_pl, mlxsw_sp->lag_pgt_base); + err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sgcr), sgcr_pl); + if (err) + goto err_mid_alloc_range; + + return 0; + +err_mid_alloc_range: + mlxsw_sp_pgt_mid_free_range(mlxsw_sp, mlxsw_sp->lag_pgt_base, + mlxsw_sp->max_lag * 8); + return err; +} + +static void mlxsw_sp_lag_pgt_fini(struct mlxsw_sp *mlxsw_sp) +{ + if (mlxsw_core_lag_mode(mlxsw_sp->core) != + MLXSW_CMD_MBOX_CONFIG_PROFILE_LAG_MODE_SW) + return; + + mlxsw_sp_pgt_mid_free_range(mlxsw_sp, mlxsw_sp->lag_pgt_base, + mlxsw_sp->max_lag * 8); } +#define MLXSW_SP_LAG_SEED_INIT 0xcafecafe + +struct mlxsw_sp_lag { + struct net_device *dev; + refcount_t ref_count; + u16 lag_id; +}; + static int mlxsw_sp_lag_init(struct mlxsw_sp *mlxsw_sp) { char slcr_pl[MLXSW_REG_SLCR_LEN]; + u32 seed; int err; + seed = jhash(mlxsw_sp->base_mac, sizeof(mlxsw_sp->base_mac), + MLXSW_SP_LAG_SEED_INIT); mlxsw_reg_slcr_pack(slcr_pl, MLXSW_REG_SLCR_LAG_HASH_SMAC | MLXSW_REG_SLCR_LAG_HASH_DMAC | MLXSW_REG_SLCR_LAG_HASH_ETHERTYPE | @@ -3531,42 +2608,396 @@ static int mlxsw_sp_lag_init(struct mlxsw_sp *mlxsw_sp) MLXSW_REG_SLCR_LAG_HASH_DIP | MLXSW_REG_SLCR_LAG_HASH_SPORT | MLXSW_REG_SLCR_LAG_HASH_DPORT | - MLXSW_REG_SLCR_LAG_HASH_IPPROTO); + MLXSW_REG_SLCR_LAG_HASH_IPPROTO, seed); err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(slcr), slcr_pl); if (err) return err; - if (!MLXSW_CORE_RES_VALID(mlxsw_sp->core, MAX_LAG) || - !MLXSW_CORE_RES_VALID(mlxsw_sp->core, MAX_LAG_MEMBERS)) + err = mlxsw_core_max_lag(mlxsw_sp->core, &mlxsw_sp->max_lag); + if (err) + return err; + + if (!MLXSW_CORE_RES_VALID(mlxsw_sp->core, MAX_LAG_MEMBERS)) return -EIO; - mlxsw_sp->lags = kcalloc(MLXSW_CORE_RES_GET(mlxsw_sp->core, MAX_LAG), - sizeof(struct mlxsw_sp_upper), + err = mlxsw_sp_lag_pgt_init(mlxsw_sp); + if (err) + return err; + + mlxsw_sp->lags = kcalloc(mlxsw_sp->max_lag, sizeof(struct mlxsw_sp_lag), GFP_KERNEL); - if (!mlxsw_sp->lags) - return -ENOMEM; + if (!mlxsw_sp->lags) { + err = -ENOMEM; + goto err_kcalloc; + } return 0; + +err_kcalloc: + mlxsw_sp_lag_pgt_fini(mlxsw_sp); + return err; } static void mlxsw_sp_lag_fini(struct mlxsw_sp *mlxsw_sp) { + mlxsw_sp_lag_pgt_fini(mlxsw_sp); kfree(mlxsw_sp->lags); } -static int mlxsw_sp_basic_trap_groups_set(struct mlxsw_core *mlxsw_core) +static const struct mlxsw_sp_ptp_ops mlxsw_sp1_ptp_ops = { + .clock_init = mlxsw_sp1_ptp_clock_init, + .clock_fini = mlxsw_sp1_ptp_clock_fini, + .init = mlxsw_sp1_ptp_init, + .fini = mlxsw_sp1_ptp_fini, + .receive = mlxsw_sp1_ptp_receive, + .transmitted = mlxsw_sp1_ptp_transmitted, + .hwtstamp_get = mlxsw_sp1_ptp_hwtstamp_get, + .hwtstamp_set = mlxsw_sp1_ptp_hwtstamp_set, + .shaper_work = mlxsw_sp1_ptp_shaper_work, +#if IS_REACHABLE(CONFIG_PTP_1588_CLOCK) + .get_ts_info = mlxsw_sp1_ptp_get_ts_info, +#endif + .get_stats_count = mlxsw_sp1_get_stats_count, + .get_stats_strings = mlxsw_sp1_get_stats_strings, + .get_stats = mlxsw_sp1_get_stats, +}; + +static const struct mlxsw_sp_ptp_ops mlxsw_sp2_ptp_ops = { + .clock_init = mlxsw_sp2_ptp_clock_init, + .clock_fini = mlxsw_sp2_ptp_clock_fini, + .init = mlxsw_sp2_ptp_init, + .fini = mlxsw_sp2_ptp_fini, + .receive = mlxsw_sp2_ptp_receive, + .transmitted = mlxsw_sp2_ptp_transmitted, + .hwtstamp_get = mlxsw_sp2_ptp_hwtstamp_get, + .hwtstamp_set = mlxsw_sp2_ptp_hwtstamp_set, + .shaper_work = mlxsw_sp2_ptp_shaper_work, +#if IS_REACHABLE(CONFIG_PTP_1588_CLOCK) + .get_ts_info = mlxsw_sp2_ptp_get_ts_info, +#endif + .get_stats_count = mlxsw_sp2_get_stats_count, + .get_stats_strings = mlxsw_sp2_get_stats_strings, + .get_stats = mlxsw_sp2_get_stats, + .tx_as_data = true, +}; + +static const struct mlxsw_sp_ptp_ops mlxsw_sp4_ptp_ops = { + .clock_init = mlxsw_sp2_ptp_clock_init, + .clock_fini = mlxsw_sp2_ptp_clock_fini, + .init = mlxsw_sp2_ptp_init, + .fini = mlxsw_sp2_ptp_fini, + .receive = mlxsw_sp2_ptp_receive, + .transmitted = mlxsw_sp2_ptp_transmitted, + .hwtstamp_get = mlxsw_sp2_ptp_hwtstamp_get, + .hwtstamp_set = mlxsw_sp2_ptp_hwtstamp_set, + .shaper_work = mlxsw_sp2_ptp_shaper_work, +#if IS_REACHABLE(CONFIG_PTP_1588_CLOCK) + .get_ts_info = mlxsw_sp2_ptp_get_ts_info, +#endif + .get_stats_count = mlxsw_sp2_get_stats_count, + .get_stats_strings = mlxsw_sp2_get_stats_strings, + .get_stats = mlxsw_sp2_get_stats, +}; + +struct mlxsw_sp_sample_trigger_node { + struct mlxsw_sp_sample_trigger trigger; + struct mlxsw_sp_sample_params params; + struct rhash_head ht_node; + struct rcu_head rcu; + refcount_t refcount; +}; + +static const struct rhashtable_params mlxsw_sp_sample_trigger_ht_params = { + .key_offset = offsetof(struct mlxsw_sp_sample_trigger_node, trigger), + .head_offset = offsetof(struct mlxsw_sp_sample_trigger_node, ht_node), + .key_len = sizeof(struct mlxsw_sp_sample_trigger), + .automatic_shrinking = true, +}; + +static void +mlxsw_sp_sample_trigger_key_init(struct mlxsw_sp_sample_trigger *key, + const struct mlxsw_sp_sample_trigger *trigger) { - char htgt_pl[MLXSW_REG_HTGT_LEN]; + memset(key, 0, sizeof(*key)); + key->type = trigger->type; + key->local_port = trigger->local_port; +} + +/* RCU read lock must be held */ +struct mlxsw_sp_sample_params * +mlxsw_sp_sample_trigger_params_lookup(struct mlxsw_sp *mlxsw_sp, + const struct mlxsw_sp_sample_trigger *trigger) +{ + struct mlxsw_sp_sample_trigger_node *trigger_node; + struct mlxsw_sp_sample_trigger key; + + mlxsw_sp_sample_trigger_key_init(&key, trigger); + trigger_node = rhashtable_lookup(&mlxsw_sp->sample_trigger_ht, &key, + mlxsw_sp_sample_trigger_ht_params); + if (!trigger_node) + return NULL; + + return &trigger_node->params; +} + +static int +mlxsw_sp_sample_trigger_node_init(struct mlxsw_sp *mlxsw_sp, + const struct mlxsw_sp_sample_trigger *trigger, + const struct mlxsw_sp_sample_params *params) +{ + struct mlxsw_sp_sample_trigger_node *trigger_node; + int err; + + trigger_node = kzalloc(sizeof(*trigger_node), GFP_KERNEL); + if (!trigger_node) + return -ENOMEM; + + trigger_node->trigger = *trigger; + trigger_node->params = *params; + refcount_set(&trigger_node->refcount, 1); - mlxsw_reg_htgt_pack(htgt_pl, MLXSW_REG_HTGT_TRAP_GROUP_EMAD, - MLXSW_REG_HTGT_INVALID_POLICER, - MLXSW_REG_HTGT_DEFAULT_PRIORITY, - MLXSW_REG_HTGT_DEFAULT_TC); - return mlxsw_reg_write(mlxsw_core, MLXSW_REG(htgt), htgt_pl); + err = rhashtable_insert_fast(&mlxsw_sp->sample_trigger_ht, + &trigger_node->ht_node, + mlxsw_sp_sample_trigger_ht_params); + if (err) + goto err_rhashtable_insert; + + return 0; + +err_rhashtable_insert: + kfree(trigger_node); + return err; +} + +static void +mlxsw_sp_sample_trigger_node_fini(struct mlxsw_sp *mlxsw_sp, + struct mlxsw_sp_sample_trigger_node *trigger_node) +{ + rhashtable_remove_fast(&mlxsw_sp->sample_trigger_ht, + &trigger_node->ht_node, + mlxsw_sp_sample_trigger_ht_params); + kfree_rcu(trigger_node, rcu); +} + +int +mlxsw_sp_sample_trigger_params_set(struct mlxsw_sp *mlxsw_sp, + const struct mlxsw_sp_sample_trigger *trigger, + const struct mlxsw_sp_sample_params *params, + struct netlink_ext_ack *extack) +{ + struct mlxsw_sp_sample_trigger_node *trigger_node; + struct mlxsw_sp_sample_trigger key; + + ASSERT_RTNL(); + + mlxsw_sp_sample_trigger_key_init(&key, trigger); + + trigger_node = rhashtable_lookup_fast(&mlxsw_sp->sample_trigger_ht, + &key, + mlxsw_sp_sample_trigger_ht_params); + if (!trigger_node) + return mlxsw_sp_sample_trigger_node_init(mlxsw_sp, &key, + params); + + if (trigger_node->trigger.local_port) { + NL_SET_ERR_MSG_MOD(extack, "Sampling already enabled on port"); + return -EINVAL; + } + + if (trigger_node->params.psample_group != params->psample_group || + trigger_node->params.truncate != params->truncate || + trigger_node->params.rate != params->rate || + trigger_node->params.trunc_size != params->trunc_size) { + NL_SET_ERR_MSG_MOD(extack, "Sampling parameters do not match for an existing sampling trigger"); + return -EINVAL; + } + + refcount_inc(&trigger_node->refcount); + + return 0; +} + +void +mlxsw_sp_sample_trigger_params_unset(struct mlxsw_sp *mlxsw_sp, + const struct mlxsw_sp_sample_trigger *trigger) +{ + struct mlxsw_sp_sample_trigger_node *trigger_node; + struct mlxsw_sp_sample_trigger key; + + ASSERT_RTNL(); + + mlxsw_sp_sample_trigger_key_init(&key, trigger); + + trigger_node = rhashtable_lookup_fast(&mlxsw_sp->sample_trigger_ht, + &key, + mlxsw_sp_sample_trigger_ht_params); + if (!trigger_node) + return; + + if (!refcount_dec_and_test(&trigger_node->refcount)) + return; + + mlxsw_sp_sample_trigger_node_fini(mlxsw_sp, trigger_node); +} + +static int mlxsw_sp_netdevice_event(struct notifier_block *unused, + unsigned long event, void *ptr); + +#define MLXSW_SP_DEFAULT_PARSING_DEPTH 96 +#define MLXSW_SP_INCREASED_PARSING_DEPTH 128 +#define MLXSW_SP_DEFAULT_VXLAN_UDP_DPORT 4789 + +static void mlxsw_sp_parsing_init(struct mlxsw_sp *mlxsw_sp) +{ + refcount_set(&mlxsw_sp->parsing.parsing_depth_ref, 0); + mlxsw_sp->parsing.parsing_depth = MLXSW_SP_DEFAULT_PARSING_DEPTH; + mlxsw_sp->parsing.vxlan_udp_dport = MLXSW_SP_DEFAULT_VXLAN_UDP_DPORT; + mutex_init(&mlxsw_sp->parsing.lock); +} + +static void mlxsw_sp_parsing_fini(struct mlxsw_sp *mlxsw_sp) +{ + mutex_destroy(&mlxsw_sp->parsing.lock); + WARN_ON_ONCE(refcount_read(&mlxsw_sp->parsing.parsing_depth_ref)); +} + +struct mlxsw_sp_ipv6_addr_node { + struct in6_addr key; + struct rhash_head ht_node; + u32 kvdl_index; + refcount_t refcount; +}; + +static const struct rhashtable_params mlxsw_sp_ipv6_addr_ht_params = { + .key_offset = offsetof(struct mlxsw_sp_ipv6_addr_node, key), + .head_offset = offsetof(struct mlxsw_sp_ipv6_addr_node, ht_node), + .key_len = sizeof(struct in6_addr), + .automatic_shrinking = true, +}; + +static int +mlxsw_sp_ipv6_addr_init(struct mlxsw_sp *mlxsw_sp, const struct in6_addr *addr6, + u32 *p_kvdl_index) +{ + struct mlxsw_sp_ipv6_addr_node *node; + char rips_pl[MLXSW_REG_RIPS_LEN]; + int err; + + err = mlxsw_sp_kvdl_alloc(mlxsw_sp, + MLXSW_SP_KVDL_ENTRY_TYPE_IPV6_ADDRESS, 1, + p_kvdl_index); + if (err) + return err; + + mlxsw_reg_rips_pack(rips_pl, *p_kvdl_index, addr6); + err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(rips), rips_pl); + if (err) + goto err_rips_write; + + node = kzalloc(sizeof(*node), GFP_KERNEL); + if (!node) { + err = -ENOMEM; + goto err_node_alloc; + } + + node->key = *addr6; + node->kvdl_index = *p_kvdl_index; + refcount_set(&node->refcount, 1); + + err = rhashtable_insert_fast(&mlxsw_sp->ipv6_addr_ht, + &node->ht_node, + mlxsw_sp_ipv6_addr_ht_params); + if (err) + goto err_rhashtable_insert; + + return 0; + +err_rhashtable_insert: + kfree(node); +err_node_alloc: +err_rips_write: + mlxsw_sp_kvdl_free(mlxsw_sp, MLXSW_SP_KVDL_ENTRY_TYPE_IPV6_ADDRESS, 1, + *p_kvdl_index); + return err; +} + +static void mlxsw_sp_ipv6_addr_fini(struct mlxsw_sp *mlxsw_sp, + struct mlxsw_sp_ipv6_addr_node *node) +{ + u32 kvdl_index = node->kvdl_index; + + rhashtable_remove_fast(&mlxsw_sp->ipv6_addr_ht, &node->ht_node, + mlxsw_sp_ipv6_addr_ht_params); + kfree(node); + mlxsw_sp_kvdl_free(mlxsw_sp, MLXSW_SP_KVDL_ENTRY_TYPE_IPV6_ADDRESS, 1, + kvdl_index); +} + +int mlxsw_sp_ipv6_addr_kvdl_index_get(struct mlxsw_sp *mlxsw_sp, + const struct in6_addr *addr6, + u32 *p_kvdl_index) +{ + struct mlxsw_sp_ipv6_addr_node *node; + int err = 0; + + mutex_lock(&mlxsw_sp->ipv6_addr_ht_lock); + node = rhashtable_lookup_fast(&mlxsw_sp->ipv6_addr_ht, addr6, + mlxsw_sp_ipv6_addr_ht_params); + if (node) { + refcount_inc(&node->refcount); + *p_kvdl_index = node->kvdl_index; + goto out_unlock; + } + + err = mlxsw_sp_ipv6_addr_init(mlxsw_sp, addr6, p_kvdl_index); + +out_unlock: + mutex_unlock(&mlxsw_sp->ipv6_addr_ht_lock); + return err; +} + +void +mlxsw_sp_ipv6_addr_put(struct mlxsw_sp *mlxsw_sp, const struct in6_addr *addr6) +{ + struct mlxsw_sp_ipv6_addr_node *node; + + mutex_lock(&mlxsw_sp->ipv6_addr_ht_lock); + node = rhashtable_lookup_fast(&mlxsw_sp->ipv6_addr_ht, addr6, + mlxsw_sp_ipv6_addr_ht_params); + if (WARN_ON(!node)) + goto out_unlock; + + if (!refcount_dec_and_test(&node->refcount)) + goto out_unlock; + + mlxsw_sp_ipv6_addr_fini(mlxsw_sp, node); + +out_unlock: + mutex_unlock(&mlxsw_sp->ipv6_addr_ht_lock); +} + +static int mlxsw_sp_ipv6_addr_ht_init(struct mlxsw_sp *mlxsw_sp) +{ + int err; + + err = rhashtable_init(&mlxsw_sp->ipv6_addr_ht, + &mlxsw_sp_ipv6_addr_ht_params); + if (err) + return err; + + mutex_init(&mlxsw_sp->ipv6_addr_ht_lock); + return 0; +} + +static void mlxsw_sp_ipv6_addr_ht_fini(struct mlxsw_sp *mlxsw_sp) +{ + mutex_destroy(&mlxsw_sp->ipv6_addr_ht_lock); + rhashtable_destroy(&mlxsw_sp->ipv6_addr_ht); } static int mlxsw_sp_init(struct mlxsw_core *mlxsw_core, - const struct mlxsw_bus_info *mlxsw_bus_info) + const struct mlxsw_bus_info *mlxsw_bus_info, + struct netlink_ext_ack *extack) { struct mlxsw_sp *mlxsw_sp = mlxsw_core_driver_priv(mlxsw_core); int err; @@ -3574,22 +3005,45 @@ static int mlxsw_sp_init(struct mlxsw_core *mlxsw_core, mlxsw_sp->core = mlxsw_core; mlxsw_sp->bus_info = mlxsw_bus_info; - err = mlxsw_sp_fw_rev_validate(mlxsw_sp); + mlxsw_sp_parsing_init(mlxsw_sp); + + err = mlxsw_sp_base_mac_get(mlxsw_sp); if (err) { - dev_err(mlxsw_sp->bus_info->dev, "Could not upgrade firmware\n"); + dev_err(mlxsw_sp->bus_info->dev, "Failed to get base mac\n"); return err; } - err = mlxsw_sp_base_mac_get(mlxsw_sp); + err = mlxsw_sp_kvdl_init(mlxsw_sp); if (err) { - dev_err(mlxsw_sp->bus_info->dev, "Failed to get base mac\n"); + dev_err(mlxsw_sp->bus_info->dev, "Failed to initialize KVDL\n"); return err; } - err = mlxsw_sp_fids_init(mlxsw_sp); + err = mlxsw_sp_pgt_init(mlxsw_sp); + if (err) { + dev_err(mlxsw_sp->bus_info->dev, "Failed to initialize PGT\n"); + goto err_pgt_init; + } + + /* Initialize before FIDs so that the LAG table is at the start of PGT + * and 8-aligned without overallocation. + */ + err = mlxsw_sp_lag_init(mlxsw_sp); + if (err) { + dev_err(mlxsw_sp->bus_info->dev, "Failed to initialize LAG\n"); + goto err_lag_init; + } + + err = mlxsw_sp->fid_core_ops->init(mlxsw_sp); if (err) { dev_err(mlxsw_sp->bus_info->dev, "Failed to initialize FIDs\n"); - return err; + goto err_fid_core_init; + } + + err = mlxsw_sp_policers_init(mlxsw_sp); + if (err) { + dev_err(mlxsw_sp->bus_info->dev, "Failed to initialize policers\n"); + goto err_policers_init; } err = mlxsw_sp_traps_init(mlxsw_sp); @@ -3598,16 +3052,25 @@ static int mlxsw_sp_init(struct mlxsw_core *mlxsw_core, goto err_traps_init; } + err = mlxsw_sp_devlink_traps_init(mlxsw_sp); + if (err) { + dev_err(mlxsw_sp->bus_info->dev, "Failed to initialize devlink traps\n"); + goto err_devlink_traps_init; + } + err = mlxsw_sp_buffers_init(mlxsw_sp); if (err) { dev_err(mlxsw_sp->bus_info->dev, "Failed to initialize buffers\n"); goto err_buffers_init; } - err = mlxsw_sp_lag_init(mlxsw_sp); + /* Initialize SPAN before router and switchdev, so that those components + * can call mlxsw_sp_span_respin(). + */ + err = mlxsw_sp_span_init(mlxsw_sp); if (err) { - dev_err(mlxsw_sp->bus_info->dev, "Failed to initialize LAG\n"); - goto err_lag_init; + dev_err(mlxsw_sp->bus_info->dev, "Failed to init span system\n"); + goto err_span_init; } err = mlxsw_sp_switchdev_init(mlxsw_sp); @@ -3616,16 +3079,34 @@ static int mlxsw_sp_init(struct mlxsw_core *mlxsw_core, goto err_switchdev_init; } - err = mlxsw_sp_router_init(mlxsw_sp); + err = mlxsw_sp_counter_pool_init(mlxsw_sp); if (err) { - dev_err(mlxsw_sp->bus_info->dev, "Failed to initialize router\n"); - goto err_router_init; + dev_err(mlxsw_sp->bus_info->dev, "Failed to init counter pool\n"); + goto err_counter_pool_init; } - err = mlxsw_sp_span_init(mlxsw_sp); + err = mlxsw_sp_afa_init(mlxsw_sp); if (err) { - dev_err(mlxsw_sp->bus_info->dev, "Failed to init span system\n"); - goto err_span_init; + dev_err(mlxsw_sp->bus_info->dev, "Failed to initialize ACL actions\n"); + goto err_afa_init; + } + + err = mlxsw_sp_ipv6_addr_ht_init(mlxsw_sp); + if (err) { + dev_err(mlxsw_sp->bus_info->dev, "Failed to initialize hash table for IPv6 addresses\n"); + goto err_ipv6_addr_ht_init; + } + + err = mlxsw_sp_nve_init(mlxsw_sp); + if (err) { + dev_err(mlxsw_sp->bus_info->dev, "Failed to initialize NVE\n"); + goto err_nve_init; + } + + err = mlxsw_sp_port_range_init(mlxsw_sp); + if (err) { + dev_err(mlxsw_sp->bus_info->dev, "Failed to initialize port ranges\n"); + goto err_port_range_init; } err = mlxsw_sp_acl_init(mlxsw_sp); @@ -3634,10 +3115,43 @@ static int mlxsw_sp_init(struct mlxsw_core *mlxsw_core, goto err_acl_init; } - err = mlxsw_sp_counter_pool_init(mlxsw_sp); + err = mlxsw_sp_router_init(mlxsw_sp, extack); if (err) { - dev_err(mlxsw_sp->bus_info->dev, "Failed to init counter pool\n"); - goto err_counter_pool_init; + dev_err(mlxsw_sp->bus_info->dev, "Failed to initialize router\n"); + goto err_router_init; + } + + if (mlxsw_sp->bus_info->read_clock_capable) { + /* NULL is a valid return value from clock_init */ + mlxsw_sp->clock = + mlxsw_sp->ptp_ops->clock_init(mlxsw_sp, + mlxsw_sp->bus_info->dev); + if (IS_ERR(mlxsw_sp->clock)) { + err = PTR_ERR(mlxsw_sp->clock); + dev_err(mlxsw_sp->bus_info->dev, "Failed to init ptp clock\n"); + goto err_ptp_clock_init; + } + } + + if (mlxsw_sp->clock) { + /* NULL is a valid return value from ptp_ops->init */ + mlxsw_sp->ptp_state = mlxsw_sp->ptp_ops->init(mlxsw_sp); + if (IS_ERR(mlxsw_sp->ptp_state)) { + err = PTR_ERR(mlxsw_sp->ptp_state); + dev_err(mlxsw_sp->bus_info->dev, "Failed to initialize PTP\n"); + goto err_ptp_init; + } + } + + /* Initialize netdevice notifier after SPAN is initialized, so that the + * event handler can call SPAN respin. + */ + mlxsw_sp->netdevice_nb.notifier_call = mlxsw_sp_netdevice_event; + err = register_netdevice_notifier_net(mlxsw_sp_net(mlxsw_sp), + &mlxsw_sp->netdevice_nb); + if (err) { + dev_err(mlxsw_sp->bus_info->dev, "Failed to register netdev notifier\n"); + goto err_netdev_notifier; } err = mlxsw_sp_dpipe_init(mlxsw_sp); @@ -3646,6 +3160,19 @@ static int mlxsw_sp_init(struct mlxsw_core *mlxsw_core, goto err_dpipe_init; } + err = mlxsw_sp_port_module_info_init(mlxsw_sp); + if (err) { + dev_err(mlxsw_sp->bus_info->dev, "Failed to init port module info\n"); + goto err_port_module_info_init; + } + + err = rhashtable_init(&mlxsw_sp->sample_trigger_ht, + &mlxsw_sp_sample_trigger_ht_params); + if (err) { + dev_err(mlxsw_sp->bus_info->dev, "Failed to init sampling trigger hashtable\n"); + goto err_sample_trigger_init; + } + err = mlxsw_sp_ports_create(mlxsw_sp); if (err) { dev_err(mlxsw_sp->bus_info->dev, "Failed to create ports\n"); @@ -3655,67 +3182,239 @@ static int mlxsw_sp_init(struct mlxsw_core *mlxsw_core, return 0; err_ports_create: + rhashtable_destroy(&mlxsw_sp->sample_trigger_ht); +err_sample_trigger_init: + mlxsw_sp_port_module_info_fini(mlxsw_sp); +err_port_module_info_init: mlxsw_sp_dpipe_fini(mlxsw_sp); err_dpipe_init: - mlxsw_sp_counter_pool_fini(mlxsw_sp); -err_counter_pool_init: - mlxsw_sp_acl_fini(mlxsw_sp); -err_acl_init: - mlxsw_sp_span_fini(mlxsw_sp); -err_span_init: + unregister_netdevice_notifier_net(mlxsw_sp_net(mlxsw_sp), + &mlxsw_sp->netdevice_nb); +err_netdev_notifier: + if (mlxsw_sp->clock) + mlxsw_sp->ptp_ops->fini(mlxsw_sp->ptp_state); +err_ptp_init: + if (mlxsw_sp->clock) + mlxsw_sp->ptp_ops->clock_fini(mlxsw_sp->clock); +err_ptp_clock_init: mlxsw_sp_router_fini(mlxsw_sp); err_router_init: + mlxsw_sp_acl_fini(mlxsw_sp); +err_acl_init: + mlxsw_sp_port_range_fini(mlxsw_sp); +err_port_range_init: + mlxsw_sp_nve_fini(mlxsw_sp); +err_nve_init: + mlxsw_sp_ipv6_addr_ht_fini(mlxsw_sp); +err_ipv6_addr_ht_init: + mlxsw_sp_afa_fini(mlxsw_sp); +err_afa_init: + mlxsw_sp_counter_pool_fini(mlxsw_sp); +err_counter_pool_init: mlxsw_sp_switchdev_fini(mlxsw_sp); err_switchdev_init: - mlxsw_sp_lag_fini(mlxsw_sp); -err_lag_init: + mlxsw_sp_span_fini(mlxsw_sp); +err_span_init: mlxsw_sp_buffers_fini(mlxsw_sp); err_buffers_init: + mlxsw_sp_devlink_traps_fini(mlxsw_sp); +err_devlink_traps_init: mlxsw_sp_traps_fini(mlxsw_sp); err_traps_init: - mlxsw_sp_fids_fini(mlxsw_sp); + mlxsw_sp_policers_fini(mlxsw_sp); +err_policers_init: + mlxsw_sp->fid_core_ops->fini(mlxsw_sp); +err_fid_core_init: + mlxsw_sp_lag_fini(mlxsw_sp); +err_lag_init: + mlxsw_sp_pgt_fini(mlxsw_sp); +err_pgt_init: + mlxsw_sp_kvdl_fini(mlxsw_sp); + mlxsw_sp_parsing_fini(mlxsw_sp); return err; } +static int mlxsw_sp1_init(struct mlxsw_core *mlxsw_core, + const struct mlxsw_bus_info *mlxsw_bus_info, + struct netlink_ext_ack *extack) +{ + struct mlxsw_sp *mlxsw_sp = mlxsw_core_driver_priv(mlxsw_core); + + mlxsw_sp->switchdev_ops = &mlxsw_sp1_switchdev_ops; + mlxsw_sp->kvdl_ops = &mlxsw_sp1_kvdl_ops; + mlxsw_sp->afa_ops = &mlxsw_sp1_act_afa_ops; + mlxsw_sp->afk_ops = &mlxsw_sp1_afk_ops; + mlxsw_sp->mr_tcam_ops = &mlxsw_sp1_mr_tcam_ops; + mlxsw_sp->acl_rulei_ops = &mlxsw_sp1_acl_rulei_ops; + mlxsw_sp->acl_tcam_ops = &mlxsw_sp1_acl_tcam_ops; + mlxsw_sp->nve_ops_arr = mlxsw_sp1_nve_ops_arr; + mlxsw_sp->mac_mask = mlxsw_sp1_mac_mask; + mlxsw_sp->sb_vals = &mlxsw_sp1_sb_vals; + mlxsw_sp->sb_ops = &mlxsw_sp1_sb_ops; + mlxsw_sp->port_type_speed_ops = &mlxsw_sp1_port_type_speed_ops; + mlxsw_sp->ptp_ops = &mlxsw_sp1_ptp_ops; + mlxsw_sp->span_ops = &mlxsw_sp1_span_ops; + mlxsw_sp->policer_core_ops = &mlxsw_sp1_policer_core_ops; + mlxsw_sp->trap_ops = &mlxsw_sp1_trap_ops; + mlxsw_sp->mall_ops = &mlxsw_sp1_mall_ops; + mlxsw_sp->router_ops = &mlxsw_sp1_router_ops; + mlxsw_sp->listeners = mlxsw_sp1_listener; + mlxsw_sp->listeners_count = ARRAY_SIZE(mlxsw_sp1_listener); + mlxsw_sp->fid_core_ops = &mlxsw_sp1_fid_core_ops; + mlxsw_sp->lowest_shaper_bs = MLXSW_REG_QEEC_LOWEST_SHAPER_BS_SP1; + mlxsw_sp->pgt_smpe_index_valid = true; + + return mlxsw_sp_init(mlxsw_core, mlxsw_bus_info, extack); +} + +static int mlxsw_sp2_init(struct mlxsw_core *mlxsw_core, + const struct mlxsw_bus_info *mlxsw_bus_info, + struct netlink_ext_ack *extack) +{ + struct mlxsw_sp *mlxsw_sp = mlxsw_core_driver_priv(mlxsw_core); + + mlxsw_sp->switchdev_ops = &mlxsw_sp2_switchdev_ops; + mlxsw_sp->kvdl_ops = &mlxsw_sp2_kvdl_ops; + mlxsw_sp->afa_ops = &mlxsw_sp2_act_afa_ops; + mlxsw_sp->afk_ops = &mlxsw_sp2_afk_ops; + mlxsw_sp->mr_tcam_ops = &mlxsw_sp2_mr_tcam_ops; + mlxsw_sp->acl_rulei_ops = &mlxsw_sp2_acl_rulei_ops; + mlxsw_sp->acl_tcam_ops = &mlxsw_sp2_acl_tcam_ops; + mlxsw_sp->acl_bf_ops = &mlxsw_sp2_acl_bf_ops; + mlxsw_sp->nve_ops_arr = mlxsw_sp2_nve_ops_arr; + mlxsw_sp->mac_mask = mlxsw_sp2_mac_mask; + mlxsw_sp->sb_vals = &mlxsw_sp2_sb_vals; + mlxsw_sp->sb_ops = &mlxsw_sp2_sb_ops; + mlxsw_sp->port_type_speed_ops = &mlxsw_sp2_port_type_speed_ops; + mlxsw_sp->ptp_ops = &mlxsw_sp2_ptp_ops; + mlxsw_sp->span_ops = &mlxsw_sp2_span_ops; + mlxsw_sp->policer_core_ops = &mlxsw_sp2_policer_core_ops; + mlxsw_sp->trap_ops = &mlxsw_sp2_trap_ops; + mlxsw_sp->mall_ops = &mlxsw_sp2_mall_ops; + mlxsw_sp->router_ops = &mlxsw_sp2_router_ops; + mlxsw_sp->listeners = mlxsw_sp2_listener; + mlxsw_sp->listeners_count = ARRAY_SIZE(mlxsw_sp2_listener); + mlxsw_sp->fid_core_ops = &mlxsw_sp2_fid_core_ops; + mlxsw_sp->lowest_shaper_bs = MLXSW_REG_QEEC_LOWEST_SHAPER_BS_SP2; + mlxsw_sp->pgt_smpe_index_valid = false; + + return mlxsw_sp_init(mlxsw_core, mlxsw_bus_info, extack); +} + +static int mlxsw_sp3_init(struct mlxsw_core *mlxsw_core, + const struct mlxsw_bus_info *mlxsw_bus_info, + struct netlink_ext_ack *extack) +{ + struct mlxsw_sp *mlxsw_sp = mlxsw_core_driver_priv(mlxsw_core); + + mlxsw_sp->switchdev_ops = &mlxsw_sp2_switchdev_ops; + mlxsw_sp->kvdl_ops = &mlxsw_sp2_kvdl_ops; + mlxsw_sp->afa_ops = &mlxsw_sp2_act_afa_ops; + mlxsw_sp->afk_ops = &mlxsw_sp2_afk_ops; + mlxsw_sp->mr_tcam_ops = &mlxsw_sp2_mr_tcam_ops; + mlxsw_sp->acl_rulei_ops = &mlxsw_sp2_acl_rulei_ops; + mlxsw_sp->acl_tcam_ops = &mlxsw_sp2_acl_tcam_ops; + mlxsw_sp->acl_bf_ops = &mlxsw_sp2_acl_bf_ops; + mlxsw_sp->nve_ops_arr = mlxsw_sp2_nve_ops_arr; + mlxsw_sp->mac_mask = mlxsw_sp2_mac_mask; + mlxsw_sp->sb_vals = &mlxsw_sp2_sb_vals; + mlxsw_sp->sb_ops = &mlxsw_sp3_sb_ops; + mlxsw_sp->port_type_speed_ops = &mlxsw_sp2_port_type_speed_ops; + mlxsw_sp->ptp_ops = &mlxsw_sp2_ptp_ops; + mlxsw_sp->span_ops = &mlxsw_sp3_span_ops; + mlxsw_sp->policer_core_ops = &mlxsw_sp2_policer_core_ops; + mlxsw_sp->trap_ops = &mlxsw_sp2_trap_ops; + mlxsw_sp->mall_ops = &mlxsw_sp2_mall_ops; + mlxsw_sp->router_ops = &mlxsw_sp2_router_ops; + mlxsw_sp->listeners = mlxsw_sp2_listener; + mlxsw_sp->listeners_count = ARRAY_SIZE(mlxsw_sp2_listener); + mlxsw_sp->fid_core_ops = &mlxsw_sp2_fid_core_ops; + mlxsw_sp->lowest_shaper_bs = MLXSW_REG_QEEC_LOWEST_SHAPER_BS_SP3; + mlxsw_sp->pgt_smpe_index_valid = false; + + return mlxsw_sp_init(mlxsw_core, mlxsw_bus_info, extack); +} + +static int mlxsw_sp4_init(struct mlxsw_core *mlxsw_core, + const struct mlxsw_bus_info *mlxsw_bus_info, + struct netlink_ext_ack *extack) +{ + struct mlxsw_sp *mlxsw_sp = mlxsw_core_driver_priv(mlxsw_core); + + mlxsw_sp->switchdev_ops = &mlxsw_sp2_switchdev_ops; + mlxsw_sp->kvdl_ops = &mlxsw_sp2_kvdl_ops; + mlxsw_sp->afa_ops = &mlxsw_sp2_act_afa_ops; + mlxsw_sp->afk_ops = &mlxsw_sp4_afk_ops; + mlxsw_sp->mr_tcam_ops = &mlxsw_sp2_mr_tcam_ops; + mlxsw_sp->acl_rulei_ops = &mlxsw_sp2_acl_rulei_ops; + mlxsw_sp->acl_tcam_ops = &mlxsw_sp2_acl_tcam_ops; + mlxsw_sp->acl_bf_ops = &mlxsw_sp4_acl_bf_ops; + mlxsw_sp->nve_ops_arr = mlxsw_sp2_nve_ops_arr; + mlxsw_sp->mac_mask = mlxsw_sp2_mac_mask; + mlxsw_sp->sb_vals = &mlxsw_sp2_sb_vals; + mlxsw_sp->sb_ops = &mlxsw_sp3_sb_ops; + mlxsw_sp->port_type_speed_ops = &mlxsw_sp2_port_type_speed_ops; + mlxsw_sp->ptp_ops = &mlxsw_sp4_ptp_ops; + mlxsw_sp->span_ops = &mlxsw_sp3_span_ops; + mlxsw_sp->policer_core_ops = &mlxsw_sp2_policer_core_ops; + mlxsw_sp->trap_ops = &mlxsw_sp2_trap_ops; + mlxsw_sp->mall_ops = &mlxsw_sp2_mall_ops; + mlxsw_sp->router_ops = &mlxsw_sp2_router_ops; + mlxsw_sp->listeners = mlxsw_sp2_listener; + mlxsw_sp->listeners_count = ARRAY_SIZE(mlxsw_sp2_listener); + mlxsw_sp->fid_core_ops = &mlxsw_sp2_fid_core_ops; + mlxsw_sp->lowest_shaper_bs = MLXSW_REG_QEEC_LOWEST_SHAPER_BS_SP4; + mlxsw_sp->pgt_smpe_index_valid = false; + + return mlxsw_sp_init(mlxsw_core, mlxsw_bus_info, extack); +} + static void mlxsw_sp_fini(struct mlxsw_core *mlxsw_core) { struct mlxsw_sp *mlxsw_sp = mlxsw_core_driver_priv(mlxsw_core); mlxsw_sp_ports_remove(mlxsw_sp); + rhashtable_destroy(&mlxsw_sp->sample_trigger_ht); + mlxsw_sp_port_module_info_fini(mlxsw_sp); mlxsw_sp_dpipe_fini(mlxsw_sp); - mlxsw_sp_counter_pool_fini(mlxsw_sp); - mlxsw_sp_acl_fini(mlxsw_sp); - mlxsw_sp_span_fini(mlxsw_sp); + unregister_netdevice_notifier_net(mlxsw_sp_net(mlxsw_sp), + &mlxsw_sp->netdevice_nb); + if (mlxsw_sp->clock) { + mlxsw_sp->ptp_ops->fini(mlxsw_sp->ptp_state); + mlxsw_sp->ptp_ops->clock_fini(mlxsw_sp->clock); + } mlxsw_sp_router_fini(mlxsw_sp); + mlxsw_sp_acl_fini(mlxsw_sp); + mlxsw_sp_port_range_fini(mlxsw_sp); + mlxsw_sp_nve_fini(mlxsw_sp); + mlxsw_sp_ipv6_addr_ht_fini(mlxsw_sp); + mlxsw_sp_afa_fini(mlxsw_sp); + mlxsw_sp_counter_pool_fini(mlxsw_sp); mlxsw_sp_switchdev_fini(mlxsw_sp); - mlxsw_sp_lag_fini(mlxsw_sp); + mlxsw_sp_span_fini(mlxsw_sp); mlxsw_sp_buffers_fini(mlxsw_sp); + mlxsw_sp_devlink_traps_fini(mlxsw_sp); mlxsw_sp_traps_fini(mlxsw_sp); - mlxsw_sp_fids_fini(mlxsw_sp); -} - -static struct mlxsw_config_profile mlxsw_sp_config_profile = { - .used_max_vepa_channels = 1, - .max_vepa_channels = 0, - .used_max_mid = 1, - .max_mid = MLXSW_SP_MID_MAX, - .used_max_pgt = 1, - .max_pgt = 0, - .used_flood_tables = 1, - .used_flood_mode = 1, - .flood_mode = 3, - .max_fid_offset_flood_tables = 3, - .fid_offset_flood_table_size = VLAN_N_VID - 1, - .max_fid_flood_tables = 3, - .fid_flood_table_size = MLXSW_SP_FID_8021D_MAX, + mlxsw_sp_policers_fini(mlxsw_sp); + mlxsw_sp->fid_core_ops->fini(mlxsw_sp); + mlxsw_sp_lag_fini(mlxsw_sp); + mlxsw_sp_pgt_fini(mlxsw_sp); + mlxsw_sp_kvdl_fini(mlxsw_sp); + mlxsw_sp_parsing_fini(mlxsw_sp); +} + +static const struct mlxsw_config_profile mlxsw_sp1_config_profile = { + .used_flood_mode = 1, + .flood_mode = MLXSW_CMD_MBOX_CONFIG_PROFILE_FLOOD_MODE_CONTROLLED, .used_max_ib_mc = 1, .max_ib_mc = 0, .used_max_pkey = 1, .max_pkey = 0, - .used_kvd_split_data = 1, - .kvd_hash_granularity = MLXSW_SP_KVD_GRANULARITY, - .kvd_hash_single_parts = 2, - .kvd_hash_double_parts = 1, + .used_ubridge = 1, + .ubridge = 1, + .used_kvd_sizes = 1, + .kvd_hash_single_parts = 59, + .kvd_hash_double_parts = 41, .kvd_linear_size = MLXSW_SP_KVD_LINEAR_SIZE, .swid_config = { { @@ -3723,17 +3422,494 @@ static struct mlxsw_config_profile mlxsw_sp_config_profile = { .type = MLXSW_PORT_SWID_TYPE_ETH, } }, - .resource_query_enable = 1, }; -static struct mlxsw_driver mlxsw_sp_driver = { - .kind = mlxsw_sp_driver_name, +static const struct mlxsw_config_profile mlxsw_sp2_config_profile = { + .used_flood_mode = 1, + .flood_mode = MLXSW_CMD_MBOX_CONFIG_PROFILE_FLOOD_MODE_CONTROLLED, + .used_max_ib_mc = 1, + .max_ib_mc = 0, + .used_max_pkey = 1, + .max_pkey = 0, + .used_ubridge = 1, + .ubridge = 1, + .swid_config = { + { + .used_type = 1, + .type = MLXSW_PORT_SWID_TYPE_ETH, + } + }, + .used_cqe_time_stamp_type = 1, + .cqe_time_stamp_type = MLXSW_CMD_MBOX_CONFIG_PROFILE_CQE_TIME_STAMP_TYPE_UTC, + .lag_mode_prefer_sw = true, + .flood_mode_prefer_cff = true, +}; + +/* Reduce number of LAGs from full capacity (256) to the maximum supported LAGs + * in Spectrum-2/3, to avoid regression in number of free entries in the PGT + * table. + */ +#define MLXSW_SP4_CONFIG_PROFILE_MAX_LAG 128 + +static const struct mlxsw_config_profile mlxsw_sp4_config_profile = { + .used_max_lag = 1, + .max_lag = MLXSW_SP4_CONFIG_PROFILE_MAX_LAG, + .used_flood_mode = 1, + .flood_mode = MLXSW_CMD_MBOX_CONFIG_PROFILE_FLOOD_MODE_CONTROLLED, + .used_max_ib_mc = 1, + .max_ib_mc = 0, + .used_max_pkey = 1, + .max_pkey = 0, + .used_ubridge = 1, + .ubridge = 1, + .swid_config = { + { + .used_type = 1, + .type = MLXSW_PORT_SWID_TYPE_ETH, + } + }, + .used_cqe_time_stamp_type = 1, + .cqe_time_stamp_type = MLXSW_CMD_MBOX_CONFIG_PROFILE_CQE_TIME_STAMP_TYPE_UTC, + .lag_mode_prefer_sw = true, + .flood_mode_prefer_cff = true, +}; + +static void +mlxsw_sp_resource_size_params_prepare(struct mlxsw_core *mlxsw_core, + struct devlink_resource_size_params *kvd_size_params, + struct devlink_resource_size_params *linear_size_params, + struct devlink_resource_size_params *hash_double_size_params, + struct devlink_resource_size_params *hash_single_size_params) +{ + u32 single_size_min = MLXSW_CORE_RES_GET(mlxsw_core, + KVD_SINGLE_MIN_SIZE); + u32 double_size_min = MLXSW_CORE_RES_GET(mlxsw_core, + KVD_DOUBLE_MIN_SIZE); + u32 kvd_size = MLXSW_CORE_RES_GET(mlxsw_core, KVD_SIZE); + u32 linear_size_min = 0; + + devlink_resource_size_params_init(kvd_size_params, kvd_size, kvd_size, + MLXSW_SP_KVD_GRANULARITY, + DEVLINK_RESOURCE_UNIT_ENTRY); + devlink_resource_size_params_init(linear_size_params, linear_size_min, + kvd_size - single_size_min - + double_size_min, + MLXSW_SP_KVD_GRANULARITY, + DEVLINK_RESOURCE_UNIT_ENTRY); + devlink_resource_size_params_init(hash_double_size_params, + double_size_min, + kvd_size - single_size_min - + linear_size_min, + MLXSW_SP_KVD_GRANULARITY, + DEVLINK_RESOURCE_UNIT_ENTRY); + devlink_resource_size_params_init(hash_single_size_params, + single_size_min, + kvd_size - double_size_min - + linear_size_min, + MLXSW_SP_KVD_GRANULARITY, + DEVLINK_RESOURCE_UNIT_ENTRY); +} + +static int mlxsw_sp1_resources_kvd_register(struct mlxsw_core *mlxsw_core) +{ + struct devlink *devlink = priv_to_devlink(mlxsw_core); + struct devlink_resource_size_params hash_single_size_params; + struct devlink_resource_size_params hash_double_size_params; + struct devlink_resource_size_params linear_size_params; + struct devlink_resource_size_params kvd_size_params; + u32 kvd_size, single_size, double_size, linear_size; + const struct mlxsw_config_profile *profile; + int err; + + profile = &mlxsw_sp1_config_profile; + if (!MLXSW_CORE_RES_VALID(mlxsw_core, KVD_SIZE)) + return -EIO; + + mlxsw_sp_resource_size_params_prepare(mlxsw_core, &kvd_size_params, + &linear_size_params, + &hash_double_size_params, + &hash_single_size_params); + + kvd_size = MLXSW_CORE_RES_GET(mlxsw_core, KVD_SIZE); + err = devl_resource_register(devlink, MLXSW_SP_RESOURCE_NAME_KVD, + kvd_size, MLXSW_SP_RESOURCE_KVD, + DEVLINK_RESOURCE_ID_PARENT_TOP, + &kvd_size_params); + if (err) + return err; + + linear_size = profile->kvd_linear_size; + err = devl_resource_register(devlink, MLXSW_SP_RESOURCE_NAME_KVD_LINEAR, + linear_size, + MLXSW_SP_RESOURCE_KVD_LINEAR, + MLXSW_SP_RESOURCE_KVD, + &linear_size_params); + if (err) + return err; + + err = mlxsw_sp1_kvdl_resources_register(mlxsw_core); + if (err) + return err; + + double_size = kvd_size - linear_size; + double_size *= profile->kvd_hash_double_parts; + double_size /= profile->kvd_hash_double_parts + + profile->kvd_hash_single_parts; + double_size = rounddown(double_size, MLXSW_SP_KVD_GRANULARITY); + err = devl_resource_register(devlink, MLXSW_SP_RESOURCE_NAME_KVD_HASH_DOUBLE, + double_size, + MLXSW_SP_RESOURCE_KVD_HASH_DOUBLE, + MLXSW_SP_RESOURCE_KVD, + &hash_double_size_params); + if (err) + return err; + + single_size = kvd_size - double_size - linear_size; + err = devl_resource_register(devlink, MLXSW_SP_RESOURCE_NAME_KVD_HASH_SINGLE, + single_size, + MLXSW_SP_RESOURCE_KVD_HASH_SINGLE, + MLXSW_SP_RESOURCE_KVD, + &hash_single_size_params); + if (err) + return err; + + return 0; +} + +static int mlxsw_sp2_resources_kvd_register(struct mlxsw_core *mlxsw_core) +{ + struct devlink *devlink = priv_to_devlink(mlxsw_core); + struct devlink_resource_size_params kvd_size_params; + u32 kvd_size; + + if (!MLXSW_CORE_RES_VALID(mlxsw_core, KVD_SIZE)) + return -EIO; + + kvd_size = MLXSW_CORE_RES_GET(mlxsw_core, KVD_SIZE); + devlink_resource_size_params_init(&kvd_size_params, kvd_size, kvd_size, + MLXSW_SP_KVD_GRANULARITY, + DEVLINK_RESOURCE_UNIT_ENTRY); + + return devl_resource_register(devlink, MLXSW_SP_RESOURCE_NAME_KVD, + kvd_size, MLXSW_SP_RESOURCE_KVD, + DEVLINK_RESOURCE_ID_PARENT_TOP, + &kvd_size_params); +} + +static int mlxsw_sp_resources_span_register(struct mlxsw_core *mlxsw_core) +{ + struct devlink *devlink = priv_to_devlink(mlxsw_core); + struct devlink_resource_size_params span_size_params; + u32 max_span; + + if (!MLXSW_CORE_RES_VALID(mlxsw_core, MAX_SPAN)) + return -EIO; + + max_span = MLXSW_CORE_RES_GET(mlxsw_core, MAX_SPAN); + devlink_resource_size_params_init(&span_size_params, max_span, max_span, + 1, DEVLINK_RESOURCE_UNIT_ENTRY); + + return devl_resource_register(devlink, MLXSW_SP_RESOURCE_NAME_SPAN, + max_span, MLXSW_SP_RESOURCE_SPAN, + DEVLINK_RESOURCE_ID_PARENT_TOP, + &span_size_params); +} + +static int +mlxsw_sp_resources_rif_mac_profile_register(struct mlxsw_core *mlxsw_core) +{ + struct devlink *devlink = priv_to_devlink(mlxsw_core); + struct devlink_resource_size_params size_params; + u8 max_rif_mac_profiles; + + if (!MLXSW_CORE_RES_VALID(mlxsw_core, MAX_RIF_MAC_PROFILES)) + max_rif_mac_profiles = 1; + else + max_rif_mac_profiles = MLXSW_CORE_RES_GET(mlxsw_core, + MAX_RIF_MAC_PROFILES); + devlink_resource_size_params_init(&size_params, max_rif_mac_profiles, + max_rif_mac_profiles, 1, + DEVLINK_RESOURCE_UNIT_ENTRY); + + return devl_resource_register(devlink, + "rif_mac_profiles", + max_rif_mac_profiles, + MLXSW_SP_RESOURCE_RIF_MAC_PROFILES, + DEVLINK_RESOURCE_ID_PARENT_TOP, + &size_params); +} + +static int mlxsw_sp_resources_rifs_register(struct mlxsw_core *mlxsw_core) +{ + struct devlink *devlink = priv_to_devlink(mlxsw_core); + struct devlink_resource_size_params size_params; + u64 max_rifs; + + if (!MLXSW_CORE_RES_VALID(mlxsw_core, MAX_RIFS)) + return -EIO; + + max_rifs = MLXSW_CORE_RES_GET(mlxsw_core, MAX_RIFS); + devlink_resource_size_params_init(&size_params, max_rifs, max_rifs, + 1, DEVLINK_RESOURCE_UNIT_ENTRY); + + return devl_resource_register(devlink, "rifs", max_rifs, + MLXSW_SP_RESOURCE_RIFS, + DEVLINK_RESOURCE_ID_PARENT_TOP, + &size_params); +} + +static int +mlxsw_sp_resources_port_range_register(struct mlxsw_core *mlxsw_core) +{ + struct devlink *devlink = priv_to_devlink(mlxsw_core); + struct devlink_resource_size_params size_params; + u64 max; + + if (!MLXSW_CORE_RES_VALID(mlxsw_core, ACL_MAX_L4_PORT_RANGE)) + return -EIO; + + max = MLXSW_CORE_RES_GET(mlxsw_core, ACL_MAX_L4_PORT_RANGE); + devlink_resource_size_params_init(&size_params, max, max, 1, + DEVLINK_RESOURCE_UNIT_ENTRY); + + return devl_resource_register(devlink, "port_range_registers", max, + MLXSW_SP_RESOURCE_PORT_RANGE_REGISTERS, + DEVLINK_RESOURCE_ID_PARENT_TOP, + &size_params); +} + +static int mlxsw_sp1_resources_register(struct mlxsw_core *mlxsw_core) +{ + int err; + + err = mlxsw_sp1_resources_kvd_register(mlxsw_core); + if (err) + return err; + + err = mlxsw_sp_resources_span_register(mlxsw_core); + if (err) + goto err_resources_span_register; + + err = mlxsw_sp_counter_resources_register(mlxsw_core); + if (err) + goto err_resources_counter_register; + + err = mlxsw_sp_policer_resources_register(mlxsw_core); + if (err) + goto err_policer_resources_register; + + err = mlxsw_sp_resources_rif_mac_profile_register(mlxsw_core); + if (err) + goto err_resources_rif_mac_profile_register; + + err = mlxsw_sp_resources_rifs_register(mlxsw_core); + if (err) + goto err_resources_rifs_register; + + err = mlxsw_sp_resources_port_range_register(mlxsw_core); + if (err) + goto err_resources_port_range_register; + + return 0; + +err_resources_port_range_register: +err_resources_rifs_register: +err_resources_rif_mac_profile_register: +err_policer_resources_register: +err_resources_counter_register: +err_resources_span_register: + devl_resources_unregister(priv_to_devlink(mlxsw_core)); + return err; +} + +static int mlxsw_sp2_resources_register(struct mlxsw_core *mlxsw_core) +{ + int err; + + err = mlxsw_sp2_resources_kvd_register(mlxsw_core); + if (err) + return err; + + err = mlxsw_sp_resources_span_register(mlxsw_core); + if (err) + goto err_resources_span_register; + + err = mlxsw_sp_counter_resources_register(mlxsw_core); + if (err) + goto err_resources_counter_register; + + err = mlxsw_sp_policer_resources_register(mlxsw_core); + if (err) + goto err_policer_resources_register; + + err = mlxsw_sp_resources_rif_mac_profile_register(mlxsw_core); + if (err) + goto err_resources_rif_mac_profile_register; + + err = mlxsw_sp_resources_rifs_register(mlxsw_core); + if (err) + goto err_resources_rifs_register; + + err = mlxsw_sp_resources_port_range_register(mlxsw_core); + if (err) + goto err_resources_port_range_register; + + return 0; + +err_resources_port_range_register: +err_resources_rifs_register: +err_resources_rif_mac_profile_register: +err_policer_resources_register: +err_resources_counter_register: +err_resources_span_register: + devl_resources_unregister(priv_to_devlink(mlxsw_core)); + return err; +} + +static int mlxsw_sp_kvd_sizes_get(struct mlxsw_core *mlxsw_core, + const struct mlxsw_config_profile *profile, + u64 *p_single_size, u64 *p_double_size, + u64 *p_linear_size) +{ + struct devlink *devlink = priv_to_devlink(mlxsw_core); + u32 double_size; + int err; + + if (!MLXSW_CORE_RES_VALID(mlxsw_core, KVD_SINGLE_MIN_SIZE) || + !MLXSW_CORE_RES_VALID(mlxsw_core, KVD_DOUBLE_MIN_SIZE)) + return -EIO; + + /* The hash part is what left of the kvd without the + * linear part. It is split to the single size and + * double size by the parts ratio from the profile. + * Both sizes must be a multiplications of the + * granularity from the profile. In case the user + * provided the sizes they are obtained via devlink. + */ + err = devl_resource_size_get(devlink, + MLXSW_SP_RESOURCE_KVD_LINEAR, + p_linear_size); + if (err) + *p_linear_size = profile->kvd_linear_size; + + err = devl_resource_size_get(devlink, + MLXSW_SP_RESOURCE_KVD_HASH_DOUBLE, + p_double_size); + if (err) { + double_size = MLXSW_CORE_RES_GET(mlxsw_core, KVD_SIZE) - + *p_linear_size; + double_size *= profile->kvd_hash_double_parts; + double_size /= profile->kvd_hash_double_parts + + profile->kvd_hash_single_parts; + *p_double_size = rounddown(double_size, + MLXSW_SP_KVD_GRANULARITY); + } + + err = devl_resource_size_get(devlink, + MLXSW_SP_RESOURCE_KVD_HASH_SINGLE, + p_single_size); + if (err) + *p_single_size = MLXSW_CORE_RES_GET(mlxsw_core, KVD_SIZE) - + *p_double_size - *p_linear_size; + + /* Check results are legal. */ + if (*p_single_size < MLXSW_CORE_RES_GET(mlxsw_core, KVD_SINGLE_MIN_SIZE) || + *p_double_size < MLXSW_CORE_RES_GET(mlxsw_core, KVD_DOUBLE_MIN_SIZE) || + MLXSW_CORE_RES_GET(mlxsw_core, KVD_SIZE) < *p_linear_size) + return -EIO; + + return 0; +} + +static void mlxsw_sp_ptp_transmitted(struct mlxsw_core *mlxsw_core, + struct sk_buff *skb, u16 local_port) +{ + struct mlxsw_sp *mlxsw_sp = mlxsw_core_driver_priv(mlxsw_core); + + skb_pull(skb, MLXSW_TXHDR_LEN); + mlxsw_sp->ptp_ops->transmitted(mlxsw_sp, skb, local_port); +} + +static struct mlxsw_driver mlxsw_sp1_driver = { + .kind = mlxsw_sp1_driver_name, + .priv_size = sizeof(struct mlxsw_sp), + .fw_req_rev = &mlxsw_sp1_fw_rev, + .fw_filename = MLXSW_SP1_FW_FILENAME, + .init = mlxsw_sp1_init, + .fini = mlxsw_sp_fini, + .port_split = mlxsw_sp_port_split, + .port_unsplit = mlxsw_sp_port_unsplit, + .sb_pool_get = mlxsw_sp_sb_pool_get, + .sb_pool_set = mlxsw_sp_sb_pool_set, + .sb_port_pool_get = mlxsw_sp_sb_port_pool_get, + .sb_port_pool_set = mlxsw_sp_sb_port_pool_set, + .sb_tc_pool_bind_get = mlxsw_sp_sb_tc_pool_bind_get, + .sb_tc_pool_bind_set = mlxsw_sp_sb_tc_pool_bind_set, + .sb_occ_snapshot = mlxsw_sp_sb_occ_snapshot, + .sb_occ_max_clear = mlxsw_sp_sb_occ_max_clear, + .sb_occ_port_pool_get = mlxsw_sp_sb_occ_port_pool_get, + .sb_occ_tc_port_bind_get = mlxsw_sp_sb_occ_tc_port_bind_get, + .trap_init = mlxsw_sp_trap_init, + .trap_fini = mlxsw_sp_trap_fini, + .trap_action_set = mlxsw_sp_trap_action_set, + .trap_group_init = mlxsw_sp_trap_group_init, + .trap_group_set = mlxsw_sp_trap_group_set, + .trap_policer_init = mlxsw_sp_trap_policer_init, + .trap_policer_fini = mlxsw_sp_trap_policer_fini, + .trap_policer_set = mlxsw_sp_trap_policer_set, + .trap_policer_counter_get = mlxsw_sp_trap_policer_counter_get, + .resources_register = mlxsw_sp1_resources_register, + .kvd_sizes_get = mlxsw_sp_kvd_sizes_get, + .ptp_transmitted = mlxsw_sp_ptp_transmitted, + .profile = &mlxsw_sp1_config_profile, + .sdq_supports_cqe_v2 = false, +}; + +static struct mlxsw_driver mlxsw_sp2_driver = { + .kind = mlxsw_sp2_driver_name, + .priv_size = sizeof(struct mlxsw_sp), + .fw_req_rev = &mlxsw_sp2_fw_rev, + .fw_filename = MLXSW_SP2_FW_FILENAME, + .init = mlxsw_sp2_init, + .fini = mlxsw_sp_fini, + .port_split = mlxsw_sp_port_split, + .port_unsplit = mlxsw_sp_port_unsplit, + .ports_remove_selected = mlxsw_sp_ports_remove_selected, + .sb_pool_get = mlxsw_sp_sb_pool_get, + .sb_pool_set = mlxsw_sp_sb_pool_set, + .sb_port_pool_get = mlxsw_sp_sb_port_pool_get, + .sb_port_pool_set = mlxsw_sp_sb_port_pool_set, + .sb_tc_pool_bind_get = mlxsw_sp_sb_tc_pool_bind_get, + .sb_tc_pool_bind_set = mlxsw_sp_sb_tc_pool_bind_set, + .sb_occ_snapshot = mlxsw_sp_sb_occ_snapshot, + .sb_occ_max_clear = mlxsw_sp_sb_occ_max_clear, + .sb_occ_port_pool_get = mlxsw_sp_sb_occ_port_pool_get, + .sb_occ_tc_port_bind_get = mlxsw_sp_sb_occ_tc_port_bind_get, + .trap_init = mlxsw_sp_trap_init, + .trap_fini = mlxsw_sp_trap_fini, + .trap_action_set = mlxsw_sp_trap_action_set, + .trap_group_init = mlxsw_sp_trap_group_init, + .trap_group_set = mlxsw_sp_trap_group_set, + .trap_policer_init = mlxsw_sp_trap_policer_init, + .trap_policer_fini = mlxsw_sp_trap_policer_fini, + .trap_policer_set = mlxsw_sp_trap_policer_set, + .trap_policer_counter_get = mlxsw_sp_trap_policer_counter_get, + .resources_register = mlxsw_sp2_resources_register, + .ptp_transmitted = mlxsw_sp_ptp_transmitted, + .profile = &mlxsw_sp2_config_profile, + .sdq_supports_cqe_v2 = true, +}; + +static struct mlxsw_driver mlxsw_sp3_driver = { + .kind = mlxsw_sp3_driver_name, .priv_size = sizeof(struct mlxsw_sp), - .init = mlxsw_sp_init, + .fw_req_rev = &mlxsw_sp3_fw_rev, + .fw_filename = MLXSW_SP3_FW_FILENAME, + .init = mlxsw_sp3_init, .fini = mlxsw_sp_fini, - .basic_trap_groups_set = mlxsw_sp_basic_trap_groups_set, .port_split = mlxsw_sp_port_split, .port_unsplit = mlxsw_sp_port_unsplit, + .ports_remove_selected = mlxsw_sp_ports_remove_selected, .sb_pool_get = mlxsw_sp_sb_pool_get, .sb_pool_set = mlxsw_sp_sb_pool_set, .sb_port_pool_get = mlxsw_sp_sb_port_pool_get, @@ -3744,9 +3920,52 @@ static struct mlxsw_driver mlxsw_sp_driver = { .sb_occ_max_clear = mlxsw_sp_sb_occ_max_clear, .sb_occ_port_pool_get = mlxsw_sp_sb_occ_port_pool_get, .sb_occ_tc_port_bind_get = mlxsw_sp_sb_occ_tc_port_bind_get, - .txhdr_construct = mlxsw_sp_txhdr_construct, - .txhdr_len = MLXSW_TXHDR_LEN, - .profile = &mlxsw_sp_config_profile, + .trap_init = mlxsw_sp_trap_init, + .trap_fini = mlxsw_sp_trap_fini, + .trap_action_set = mlxsw_sp_trap_action_set, + .trap_group_init = mlxsw_sp_trap_group_init, + .trap_group_set = mlxsw_sp_trap_group_set, + .trap_policer_init = mlxsw_sp_trap_policer_init, + .trap_policer_fini = mlxsw_sp_trap_policer_fini, + .trap_policer_set = mlxsw_sp_trap_policer_set, + .trap_policer_counter_get = mlxsw_sp_trap_policer_counter_get, + .resources_register = mlxsw_sp2_resources_register, + .ptp_transmitted = mlxsw_sp_ptp_transmitted, + .profile = &mlxsw_sp2_config_profile, + .sdq_supports_cqe_v2 = true, +}; + +static struct mlxsw_driver mlxsw_sp4_driver = { + .kind = mlxsw_sp4_driver_name, + .priv_size = sizeof(struct mlxsw_sp), + .init = mlxsw_sp4_init, + .fini = mlxsw_sp_fini, + .port_split = mlxsw_sp_port_split, + .port_unsplit = mlxsw_sp_port_unsplit, + .ports_remove_selected = mlxsw_sp_ports_remove_selected, + .sb_pool_get = mlxsw_sp_sb_pool_get, + .sb_pool_set = mlxsw_sp_sb_pool_set, + .sb_port_pool_get = mlxsw_sp_sb_port_pool_get, + .sb_port_pool_set = mlxsw_sp_sb_port_pool_set, + .sb_tc_pool_bind_get = mlxsw_sp_sb_tc_pool_bind_get, + .sb_tc_pool_bind_set = mlxsw_sp_sb_tc_pool_bind_set, + .sb_occ_snapshot = mlxsw_sp_sb_occ_snapshot, + .sb_occ_max_clear = mlxsw_sp_sb_occ_max_clear, + .sb_occ_port_pool_get = mlxsw_sp_sb_occ_port_pool_get, + .sb_occ_tc_port_bind_get = mlxsw_sp_sb_occ_tc_port_bind_get, + .trap_init = mlxsw_sp_trap_init, + .trap_fini = mlxsw_sp_trap_fini, + .trap_action_set = mlxsw_sp_trap_action_set, + .trap_group_init = mlxsw_sp_trap_group_init, + .trap_group_set = mlxsw_sp_trap_group_set, + .trap_policer_init = mlxsw_sp_trap_policer_init, + .trap_policer_fini = mlxsw_sp_trap_policer_fini, + .trap_policer_set = mlxsw_sp_trap_policer_set, + .trap_policer_counter_get = mlxsw_sp_trap_policer_counter_get, + .resources_register = mlxsw_sp2_resources_register, + .ptp_transmitted = mlxsw_sp_ptp_transmitted, + .profile = &mlxsw_sp4_config_profile, + .sdq_supports_cqe_v2 = true, }; bool mlxsw_sp_port_dev_check(const struct net_device *dev) @@ -3754,13 +3973,13 @@ bool mlxsw_sp_port_dev_check(const struct net_device *dev) return dev->netdev_ops == &mlxsw_sp_port_netdev_ops; } -static int mlxsw_sp_lower_dev_walk(struct net_device *lower_dev, void *data) +static int mlxsw_sp_lower_dev_walk(struct net_device *lower_dev, + struct netdev_nested_priv *priv) { - struct mlxsw_sp_port **p_mlxsw_sp_port = data; int ret = 0; if (mlxsw_sp_port_dev_check(lower_dev)) { - *p_mlxsw_sp_port = netdev_priv(lower_dev); + priv->data = (void *)netdev_priv(lower_dev); ret = 1; } @@ -3769,15 +3988,16 @@ static int mlxsw_sp_lower_dev_walk(struct net_device *lower_dev, void *data) struct mlxsw_sp_port *mlxsw_sp_port_dev_lower_find(struct net_device *dev) { - struct mlxsw_sp_port *mlxsw_sp_port; + struct netdev_nested_priv priv = { + .data = NULL, + }; if (mlxsw_sp_port_dev_check(dev)) return netdev_priv(dev); - mlxsw_sp_port = NULL; - netdev_walk_all_lower_dev(dev, mlxsw_sp_lower_dev_walk, &mlxsw_sp_port); + netdev_walk_all_lower_dev(dev, mlxsw_sp_lower_dev_walk, &priv); - return mlxsw_sp_port; + return (struct mlxsw_sp_port *)priv.data; } struct mlxsw_sp *mlxsw_sp_lower_get(struct net_device *dev) @@ -3790,48 +4010,143 @@ struct mlxsw_sp *mlxsw_sp_lower_get(struct net_device *dev) struct mlxsw_sp_port *mlxsw_sp_port_dev_lower_find_rcu(struct net_device *dev) { - struct mlxsw_sp_port *mlxsw_sp_port; + struct netdev_nested_priv priv = { + .data = NULL, + }; if (mlxsw_sp_port_dev_check(dev)) return netdev_priv(dev); - mlxsw_sp_port = NULL; netdev_walk_all_lower_dev_rcu(dev, mlxsw_sp_lower_dev_walk, - &mlxsw_sp_port); + &priv); - return mlxsw_sp_port; + return (struct mlxsw_sp_port *)priv.data; } -struct mlxsw_sp_port *mlxsw_sp_port_lower_dev_hold(struct net_device *dev) +int mlxsw_sp_parsing_depth_inc(struct mlxsw_sp *mlxsw_sp) { - struct mlxsw_sp_port *mlxsw_sp_port; + char mprs_pl[MLXSW_REG_MPRS_LEN]; + int err = 0; + + mutex_lock(&mlxsw_sp->parsing.lock); + + if (refcount_inc_not_zero(&mlxsw_sp->parsing.parsing_depth_ref)) + goto out_unlock; + + mlxsw_reg_mprs_pack(mprs_pl, MLXSW_SP_INCREASED_PARSING_DEPTH, + mlxsw_sp->parsing.vxlan_udp_dport); + err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(mprs), mprs_pl); + if (err) + goto out_unlock; + + mlxsw_sp->parsing.parsing_depth = MLXSW_SP_INCREASED_PARSING_DEPTH; + refcount_set(&mlxsw_sp->parsing.parsing_depth_ref, 1); + +out_unlock: + mutex_unlock(&mlxsw_sp->parsing.lock); + return err; +} - rcu_read_lock(); - mlxsw_sp_port = mlxsw_sp_port_dev_lower_find_rcu(dev); - if (mlxsw_sp_port) - dev_hold(mlxsw_sp_port->dev); - rcu_read_unlock(); - return mlxsw_sp_port; +void mlxsw_sp_parsing_depth_dec(struct mlxsw_sp *mlxsw_sp) +{ + char mprs_pl[MLXSW_REG_MPRS_LEN]; + + mutex_lock(&mlxsw_sp->parsing.lock); + + if (!refcount_dec_and_test(&mlxsw_sp->parsing.parsing_depth_ref)) + goto out_unlock; + + mlxsw_reg_mprs_pack(mprs_pl, MLXSW_SP_DEFAULT_PARSING_DEPTH, + mlxsw_sp->parsing.vxlan_udp_dport); + mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(mprs), mprs_pl); + mlxsw_sp->parsing.parsing_depth = MLXSW_SP_DEFAULT_PARSING_DEPTH; + +out_unlock: + mutex_unlock(&mlxsw_sp->parsing.lock); +} + +int mlxsw_sp_parsing_vxlan_udp_dport_set(struct mlxsw_sp *mlxsw_sp, + __be16 udp_dport) +{ + char mprs_pl[MLXSW_REG_MPRS_LEN]; + int err; + + mutex_lock(&mlxsw_sp->parsing.lock); + + mlxsw_reg_mprs_pack(mprs_pl, mlxsw_sp->parsing.parsing_depth, + be16_to_cpu(udp_dport)); + err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(mprs), mprs_pl); + if (err) + goto out_unlock; + + mlxsw_sp->parsing.vxlan_udp_dport = be16_to_cpu(udp_dport); + +out_unlock: + mutex_unlock(&mlxsw_sp->parsing.lock); + return err; } -void mlxsw_sp_port_dev_put(struct mlxsw_sp_port *mlxsw_sp_port) +static void +mlxsw_sp_port_lag_uppers_cleanup(struct mlxsw_sp_port *mlxsw_sp_port, + struct net_device *lag_dev) { - dev_put(mlxsw_sp_port->dev); + struct net_device *br_dev = netdev_master_upper_dev_get(lag_dev); + struct net_device *upper_dev; + struct list_head *iter; + + if (netif_is_bridge_port(lag_dev)) + mlxsw_sp_port_bridge_leave(mlxsw_sp_port, lag_dev, br_dev); + + netdev_for_each_upper_dev_rcu(lag_dev, upper_dev, iter) { + if (!netif_is_bridge_port(upper_dev)) + continue; + br_dev = netdev_master_upper_dev_get(upper_dev); + mlxsw_sp_port_bridge_leave(mlxsw_sp_port, upper_dev, br_dev); + } } -static int mlxsw_sp_lag_create(struct mlxsw_sp *mlxsw_sp, u16 lag_id) +static struct mlxsw_sp_lag * +mlxsw_sp_lag_create(struct mlxsw_sp *mlxsw_sp, struct net_device *lag_dev, + struct netlink_ext_ack *extack) { char sldr_pl[MLXSW_REG_SLDR_LEN]; + struct mlxsw_sp_lag *lag; + u16 lag_id; + int i, err; + + for (i = 0; i < mlxsw_sp->max_lag; i++) { + if (!mlxsw_sp->lags[i].dev) + break; + } + + if (i == mlxsw_sp->max_lag) { + NL_SET_ERR_MSG_MOD(extack, + "Exceeded number of supported LAG devices"); + return ERR_PTR(-EBUSY); + } + lag_id = i; mlxsw_reg_sldr_lag_create_pack(sldr_pl, lag_id); - return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sldr), sldr_pl); + err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sldr), sldr_pl); + if (err) + return ERR_PTR(err); + + lag = &mlxsw_sp->lags[lag_id]; + lag->lag_id = lag_id; + lag->dev = lag_dev; + refcount_set(&lag->ref_count, 1); + + return lag; } -static int mlxsw_sp_lag_destroy(struct mlxsw_sp *mlxsw_sp, u16 lag_id) +static int +mlxsw_sp_lag_destroy(struct mlxsw_sp *mlxsw_sp, struct mlxsw_sp_lag *lag) { char sldr_pl[MLXSW_REG_SLDR_LEN]; - mlxsw_reg_sldr_lag_destroy_pack(sldr_pl, lag_id); + lag->dev = NULL; + + mlxsw_reg_sldr_lag_destroy_pack(sldr_pl, lag->lag_id); return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sldr), sldr_pl); } @@ -3879,44 +4194,56 @@ static int mlxsw_sp_lag_col_port_disable(struct mlxsw_sp_port *mlxsw_sp_port, return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(slcor), slcor_pl); } -static int mlxsw_sp_lag_index_get(struct mlxsw_sp *mlxsw_sp, - struct net_device *lag_dev, - u16 *p_lag_id) +static struct mlxsw_sp_lag * +mlxsw_sp_lag_find(struct mlxsw_sp *mlxsw_sp, struct net_device *lag_dev) { - struct mlxsw_sp_upper *lag; - int free_lag_id = -1; - u64 max_lag; int i; - max_lag = MLXSW_CORE_RES_GET(mlxsw_sp->core, MAX_LAG); - for (i = 0; i < max_lag; i++) { - lag = mlxsw_sp_lag_get(mlxsw_sp, i); - if (lag->ref_count) { - if (lag->dev == lag_dev) { - *p_lag_id = i; - return 0; - } - } else if (free_lag_id < 0) { - free_lag_id = i; - } + for (i = 0; i < mlxsw_sp->max_lag; i++) { + if (!mlxsw_sp->lags[i].dev) + continue; + + if (mlxsw_sp->lags[i].dev == lag_dev) + return &mlxsw_sp->lags[i]; } - if (free_lag_id < 0) - return -EBUSY; - *p_lag_id = free_lag_id; - return 0; + + return NULL; +} + +static struct mlxsw_sp_lag * +mlxsw_sp_lag_get(struct mlxsw_sp *mlxsw_sp, struct net_device *lag_dev, + struct netlink_ext_ack *extack) +{ + struct mlxsw_sp_lag *lag; + + lag = mlxsw_sp_lag_find(mlxsw_sp, lag_dev); + if (lag) { + refcount_inc(&lag->ref_count); + return lag; + } + + return mlxsw_sp_lag_create(mlxsw_sp, lag_dev, extack); +} + +static void +mlxsw_sp_lag_put(struct mlxsw_sp *mlxsw_sp, struct mlxsw_sp_lag *lag) +{ + if (!refcount_dec_and_test(&lag->ref_count)) + return; + + mlxsw_sp_lag_destroy(mlxsw_sp, lag); } static bool mlxsw_sp_master_lag_check(struct mlxsw_sp *mlxsw_sp, struct net_device *lag_dev, - struct netdev_lag_upper_info *lag_upper_info) + struct netdev_lag_upper_info *lag_upper_info, + struct netlink_ext_ack *extack) { - u16 lag_id; - - if (mlxsw_sp_lag_index_get(mlxsw_sp, lag_dev, &lag_id) != 0) - return false; - if (lag_upper_info->tx_type != NETDEV_LAG_TX_TYPE_HASH) + if (lag_upper_info->tx_type != NETDEV_LAG_TX_TYPE_HASH) { + NL_SET_ERR_MSG_MOD(extack, "LAG device using unsupported Tx type"); return false; + } return true; } @@ -3937,55 +4264,154 @@ static int mlxsw_sp_port_lag_index_get(struct mlxsw_sp *mlxsw_sp, return -EBUSY; } +static int mlxsw_sp_lag_uppers_bridge_join(struct mlxsw_sp_port *mlxsw_sp_port, + struct net_device *lag_dev, + struct netlink_ext_ack *extack) +{ + struct net_device *upper_dev; + struct net_device *master; + struct list_head *iter; + int done = 0; + int err; + + master = netdev_master_upper_dev_get(lag_dev); + if (master && netif_is_bridge_master(master)) { + err = mlxsw_sp_port_bridge_join(mlxsw_sp_port, lag_dev, master, + extack); + if (err) + return err; + } + + netdev_for_each_upper_dev_rcu(lag_dev, upper_dev, iter) { + if (!is_vlan_dev(upper_dev)) + continue; + + master = netdev_master_upper_dev_get(upper_dev); + if (master && netif_is_bridge_master(master)) { + err = mlxsw_sp_port_bridge_join(mlxsw_sp_port, + upper_dev, master, + extack); + if (err) + goto err_port_bridge_join; + } + + ++done; + } + + return 0; + +err_port_bridge_join: + netdev_for_each_upper_dev_rcu(lag_dev, upper_dev, iter) { + if (!is_vlan_dev(upper_dev)) + continue; + + master = netdev_master_upper_dev_get(upper_dev); + if (!master || !netif_is_bridge_master(master)) + continue; + + if (!done--) + break; + + mlxsw_sp_port_bridge_leave(mlxsw_sp_port, upper_dev, master); + } + + master = netdev_master_upper_dev_get(lag_dev); + if (master && netif_is_bridge_master(master)) + mlxsw_sp_port_bridge_leave(mlxsw_sp_port, lag_dev, master); + + return err; +} + +static void +mlxsw_sp_lag_uppers_bridge_leave(struct mlxsw_sp_port *mlxsw_sp_port, + struct net_device *lag_dev) +{ + struct net_device *upper_dev; + struct net_device *master; + struct list_head *iter; + + netdev_for_each_upper_dev_rcu(lag_dev, upper_dev, iter) { + if (!is_vlan_dev(upper_dev)) + continue; + + master = netdev_master_upper_dev_get(upper_dev); + if (!master) + continue; + + mlxsw_sp_port_bridge_leave(mlxsw_sp_port, upper_dev, master); + } + + master = netdev_master_upper_dev_get(lag_dev); + if (master) + mlxsw_sp_port_bridge_leave(mlxsw_sp_port, lag_dev, master); +} + static int mlxsw_sp_port_lag_join(struct mlxsw_sp_port *mlxsw_sp_port, - struct net_device *lag_dev) + struct net_device *lag_dev, + struct netlink_ext_ack *extack) { struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; - struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan; - struct mlxsw_sp_upper *lag; + struct mlxsw_sp_lag *lag; u16 lag_id; u8 port_index; int err; - err = mlxsw_sp_lag_index_get(mlxsw_sp, lag_dev, &lag_id); - if (err) - return err; - lag = mlxsw_sp_lag_get(mlxsw_sp, lag_id); - if (!lag->ref_count) { - err = mlxsw_sp_lag_create(mlxsw_sp, lag_id); - if (err) - return err; - lag->dev = lag_dev; - } + lag = mlxsw_sp_lag_get(mlxsw_sp, lag_dev, extack); + if (IS_ERR(lag)) + return PTR_ERR(lag); + lag_id = lag->lag_id; err = mlxsw_sp_port_lag_index_get(mlxsw_sp, lag_id, &port_index); if (err) return err; + + err = mlxsw_sp_lag_uppers_bridge_join(mlxsw_sp_port, lag_dev, + extack); + if (err) + goto err_lag_uppers_bridge_join; + err = mlxsw_sp_lag_col_port_add(mlxsw_sp_port, lag_id, port_index); if (err) goto err_col_port_add; - err = mlxsw_sp_lag_col_port_enable(mlxsw_sp_port, lag_id); - if (err) - goto err_col_port_enable; mlxsw_core_lag_mapping_set(mlxsw_sp->core, lag_id, port_index, mlxsw_sp_port->local_port); mlxsw_sp_port->lag_id = lag_id; mlxsw_sp_port->lagged = 1; - lag->ref_count++; + + err = mlxsw_sp_fid_port_join_lag(mlxsw_sp_port); + if (err) + goto err_fid_port_join_lag; /* Port is no longer usable as a router interface */ - mlxsw_sp_port_vlan = mlxsw_sp_port_vlan_find_by_vid(mlxsw_sp_port, 1); - if (mlxsw_sp_port_vlan->fid) - mlxsw_sp_port_vlan_router_leave(mlxsw_sp_port_vlan); + if (mlxsw_sp_port->default_vlan->fid) + mlxsw_sp_port_vlan_router_leave(mlxsw_sp_port->default_vlan); + + /* Join a router interface configured on the LAG, if exists */ + err = mlxsw_sp_router_port_join_lag(mlxsw_sp_port, lag_dev, + extack); + if (err) + goto err_router_join; + + err = mlxsw_sp_netdevice_enslavement_replay(mlxsw_sp, lag_dev, extack); + if (err) + goto err_replay; return 0; -err_col_port_enable: +err_replay: + mlxsw_sp_router_port_leave_lag(mlxsw_sp_port, lag_dev); +err_router_join: + mlxsw_sp_fid_port_leave_lag(mlxsw_sp_port); +err_fid_port_join_lag: + mlxsw_sp_port->lagged = 0; + mlxsw_core_lag_mapping_clear(mlxsw_sp->core, lag_id, + mlxsw_sp_port->local_port); mlxsw_sp_lag_col_port_remove(mlxsw_sp_port, lag_id); err_col_port_add: - if (!lag->ref_count) - mlxsw_sp_lag_destroy(mlxsw_sp, lag_id); + mlxsw_sp_lag_uppers_bridge_leave(mlxsw_sp_port, lag_dev); +err_lag_uppers_bridge_join: + mlxsw_sp_lag_put(mlxsw_sp, lag); return err; } @@ -3994,30 +4420,33 @@ static void mlxsw_sp_port_lag_leave(struct mlxsw_sp_port *mlxsw_sp_port, { struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; u16 lag_id = mlxsw_sp_port->lag_id; - struct mlxsw_sp_upper *lag; + struct mlxsw_sp_lag *lag; if (!mlxsw_sp_port->lagged) return; - lag = mlxsw_sp_lag_get(mlxsw_sp, lag_id); - WARN_ON(lag->ref_count == 0); + lag = &mlxsw_sp->lags[lag_id]; - mlxsw_sp_lag_col_port_disable(mlxsw_sp_port, lag_id); mlxsw_sp_lag_col_port_remove(mlxsw_sp_port, lag_id); /* Any VLANs configured on the port are no longer valid */ - mlxsw_sp_port_vlan_flush(mlxsw_sp_port); + mlxsw_sp_port_vlan_flush(mlxsw_sp_port, false); + mlxsw_sp_port_vlan_cleanup(mlxsw_sp_port->default_vlan); + /* Make the LAG and its directly linked uppers leave bridges they + * are memeber in + */ + mlxsw_sp_port_lag_uppers_cleanup(mlxsw_sp_port, lag_dev); - if (lag->ref_count == 1) - mlxsw_sp_lag_destroy(mlxsw_sp, lag_id); + mlxsw_sp_fid_port_leave_lag(mlxsw_sp_port); + + mlxsw_sp_lag_put(mlxsw_sp, lag); mlxsw_core_lag_mapping_clear(mlxsw_sp->core, lag_id, mlxsw_sp_port->local_port); mlxsw_sp_port->lagged = 0; - lag->ref_count--; - mlxsw_sp_port_vlan_get(mlxsw_sp_port, 1); /* Make sure untagged frames are allowed to ingress */ - mlxsw_sp_port_pvid_set(mlxsw_sp_port, 1); + mlxsw_sp_port_pvid_set(mlxsw_sp_port, MLXSW_SP_DEFAULT_VID, + ETH_P_8021Q); } static int mlxsw_sp_lag_dist_port_add(struct mlxsw_sp_port *mlxsw_sp_port, @@ -4042,21 +4471,56 @@ static int mlxsw_sp_lag_dist_port_remove(struct mlxsw_sp_port *mlxsw_sp_port, return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sldr), sldr_pl); } -static int mlxsw_sp_port_lag_tx_en_set(struct mlxsw_sp_port *mlxsw_sp_port, - bool lag_tx_enabled) +static int +mlxsw_sp_port_lag_col_dist_enable(struct mlxsw_sp_port *mlxsw_sp_port) { - if (lag_tx_enabled) - return mlxsw_sp_lag_dist_port_add(mlxsw_sp_port, - mlxsw_sp_port->lag_id); - else - return mlxsw_sp_lag_dist_port_remove(mlxsw_sp_port, - mlxsw_sp_port->lag_id); + int err; + + err = mlxsw_sp_lag_col_port_enable(mlxsw_sp_port, + mlxsw_sp_port->lag_id); + if (err) + return err; + + err = mlxsw_sp_lag_dist_port_add(mlxsw_sp_port, mlxsw_sp_port->lag_id); + if (err) + goto err_dist_port_add; + + return 0; + +err_dist_port_add: + mlxsw_sp_lag_col_port_disable(mlxsw_sp_port, mlxsw_sp_port->lag_id); + return err; +} + +static int +mlxsw_sp_port_lag_col_dist_disable(struct mlxsw_sp_port *mlxsw_sp_port) +{ + int err; + + err = mlxsw_sp_lag_dist_port_remove(mlxsw_sp_port, + mlxsw_sp_port->lag_id); + if (err) + return err; + + err = mlxsw_sp_lag_col_port_disable(mlxsw_sp_port, + mlxsw_sp_port->lag_id); + if (err) + goto err_col_port_disable; + + return 0; + +err_col_port_disable: + mlxsw_sp_lag_dist_port_add(mlxsw_sp_port, mlxsw_sp_port->lag_id); + return err; } static int mlxsw_sp_port_lag_changed(struct mlxsw_sp_port *mlxsw_sp_port, struct netdev_lag_lower_state_info *info) { - return mlxsw_sp_port_lag_tx_en_set(mlxsw_sp_port, info->tx_enabled); + if (info->tx_enabled) + return mlxsw_sp_port_lag_col_dist_enable(mlxsw_sp_port); + else + return mlxsw_sp_port_lag_col_dist_disable(mlxsw_sp_port); } static int mlxsw_sp_port_stp_set(struct mlxsw_sp_port *mlxsw_sp_port, @@ -4086,6 +4550,7 @@ static int mlxsw_sp_port_stp_set(struct mlxsw_sp_port *mlxsw_sp_port, static int mlxsw_sp_port_ovs_join(struct mlxsw_sp_port *mlxsw_sp_port) { + u16 vid = 1; int err; err = mlxsw_sp_port_vp_mode_set(mlxsw_sp_port, true); @@ -4094,12 +4559,23 @@ static int mlxsw_sp_port_ovs_join(struct mlxsw_sp_port *mlxsw_sp_port) err = mlxsw_sp_port_stp_set(mlxsw_sp_port, true); if (err) goto err_port_stp_set; - err = mlxsw_sp_port_vlan_set(mlxsw_sp_port, 2, VLAN_N_VID - 1, + err = mlxsw_sp_port_vlan_set(mlxsw_sp_port, 1, VLAN_N_VID - 2, true, false); if (err) goto err_port_vlan_set; + + for (; vid <= VLAN_N_VID - 1; vid++) { + err = mlxsw_sp_port_vid_learning_set(mlxsw_sp_port, + vid, false); + if (err) + goto err_vid_learning_set; + } + return 0; +err_vid_learning_set: + for (vid--; vid >= 1; vid--) + mlxsw_sp_port_vid_learning_set(mlxsw_sp_port, vid, true); err_port_vlan_set: mlxsw_sp_port_stp_set(mlxsw_sp_port, false); err_port_stp_set: @@ -4109,25 +4585,148 @@ err_port_stp_set: static void mlxsw_sp_port_ovs_leave(struct mlxsw_sp_port *mlxsw_sp_port) { - mlxsw_sp_port_vlan_set(mlxsw_sp_port, 2, VLAN_N_VID - 1, + u16 vid; + + for (vid = VLAN_N_VID - 1; vid >= 1; vid--) + mlxsw_sp_port_vid_learning_set(mlxsw_sp_port, + vid, true); + + mlxsw_sp_port_vlan_set(mlxsw_sp_port, 1, VLAN_N_VID - 2, false, false); mlxsw_sp_port_stp_set(mlxsw_sp_port, false); mlxsw_sp_port_vp_mode_set(mlxsw_sp_port, false); } +static bool mlxsw_sp_bridge_has_multiple_vxlans(struct net_device *br_dev) +{ + unsigned int num_vxlans = 0; + struct net_device *dev; + struct list_head *iter; + + netdev_for_each_lower_dev(br_dev, dev, iter) { + if (netif_is_vxlan(dev)) + num_vxlans++; + } + + return num_vxlans > 1; +} + +static bool mlxsw_sp_bridge_vxlan_vlan_is_valid(struct net_device *br_dev) +{ + DECLARE_BITMAP(vlans, VLAN_N_VID) = {0}; + struct net_device *dev; + struct list_head *iter; + + netdev_for_each_lower_dev(br_dev, dev, iter) { + u16 pvid; + int err; + + if (!netif_is_vxlan(dev)) + continue; + + err = mlxsw_sp_vxlan_mapped_vid(dev, &pvid); + if (err || !pvid) + continue; + + if (test_and_set_bit(pvid, vlans)) + return false; + } + + return true; +} + +static bool mlxsw_sp_bridge_vxlan_is_valid(struct net_device *br_dev, + struct netlink_ext_ack *extack) +{ + if (br_multicast_enabled(br_dev)) { + NL_SET_ERR_MSG_MOD(extack, "Multicast can not be enabled on a bridge with a VxLAN device"); + return false; + } + + if (!br_vlan_enabled(br_dev) && + mlxsw_sp_bridge_has_multiple_vxlans(br_dev)) { + NL_SET_ERR_MSG_MOD(extack, "Multiple VxLAN devices are not supported in a VLAN-unaware bridge"); + return false; + } + + if (br_vlan_enabled(br_dev) && + !mlxsw_sp_bridge_vxlan_vlan_is_valid(br_dev)) { + NL_SET_ERR_MSG_MOD(extack, "Multiple VxLAN devices cannot have the same VLAN as PVID and egress untagged"); + return false; + } + + return true; +} + +static bool mlxsw_sp_netdev_is_master(struct net_device *upper_dev, + struct net_device *dev) +{ + return upper_dev == netdev_master_upper_dev_get(dev); +} + +static int __mlxsw_sp_netdevice_event(struct mlxsw_sp *mlxsw_sp, + unsigned long event, void *ptr, + bool process_foreign); + +static int mlxsw_sp_netdevice_validate_uppers(struct mlxsw_sp *mlxsw_sp, + struct net_device *dev, + struct netlink_ext_ack *extack) +{ + struct net_device *upper_dev; + struct list_head *iter; + int err; + + netdev_for_each_upper_dev_rcu(dev, upper_dev, iter) { + struct netdev_notifier_changeupper_info info = { + .info = { + .dev = dev, + .extack = extack, + }, + .master = mlxsw_sp_netdev_is_master(upper_dev, dev), + .upper_dev = upper_dev, + .linking = true, + + /* upper_info is relevant for LAG devices. But we would + * only need this if LAG were a valid upper above + * another upper (e.g. a bridge that is a member of a + * LAG), and that is never a valid configuration. So we + * can keep this as NULL. + */ + .upper_info = NULL, + }; + + err = __mlxsw_sp_netdevice_event(mlxsw_sp, + NETDEV_PRECHANGEUPPER, + &info, true); + if (err) + return err; + + err = mlxsw_sp_netdevice_validate_uppers(mlxsw_sp, upper_dev, + extack); + if (err) + return err; + } + + return 0; +} + static int mlxsw_sp_netdevice_port_upper_event(struct net_device *lower_dev, struct net_device *dev, - unsigned long event, void *ptr) + unsigned long event, void *ptr, + bool replay_deslavement) { struct netdev_notifier_changeupper_info *info; struct mlxsw_sp_port *mlxsw_sp_port; + struct netlink_ext_ack *extack; struct net_device *upper_dev; struct mlxsw_sp *mlxsw_sp; int err = 0; + u16 proto; mlxsw_sp_port = netdev_priv(dev); mlxsw_sp = mlxsw_sp_port->mlxsw_sp; info = ptr; + extack = netdev_notifier_info_to_extack(&info->info); switch (event) { case NETDEV_PRECHANGEUPPER: @@ -4135,47 +4734,131 @@ static int mlxsw_sp_netdevice_port_upper_event(struct net_device *lower_dev, if (!is_vlan_dev(upper_dev) && !netif_is_lag_master(upper_dev) && !netif_is_bridge_master(upper_dev) && - !netif_is_ovs_master(upper_dev)) + !netif_is_ovs_master(upper_dev) && + !netif_is_macvlan(upper_dev) && + !netif_is_l3_master(upper_dev)) { + NL_SET_ERR_MSG_MOD(extack, "Unknown upper device type"); return -EINVAL; + } if (!info->linking) break; + if (netif_is_bridge_master(upper_dev) && + !mlxsw_sp_bridge_device_is_offloaded(mlxsw_sp, upper_dev) && + mlxsw_sp_bridge_has_vxlan(upper_dev) && + !mlxsw_sp_bridge_vxlan_is_valid(upper_dev, extack)) + return -EOPNOTSUPP; + if (netdev_has_any_upper_dev(upper_dev) && + (!netif_is_bridge_master(upper_dev) || + !mlxsw_sp_bridge_device_is_offloaded(mlxsw_sp, + upper_dev))) { + err = mlxsw_sp_netdevice_validate_uppers(mlxsw_sp, + upper_dev, + extack); + if (err) + return err; + } if (netif_is_lag_master(upper_dev) && !mlxsw_sp_master_lag_check(mlxsw_sp, upper_dev, - info->upper_info)) + info->upper_info, extack)) return -EINVAL; - if (netif_is_lag_master(upper_dev) && vlan_uses_dev(dev)) + if (netif_is_lag_master(upper_dev) && vlan_uses_dev(dev)) { + NL_SET_ERR_MSG_MOD(extack, "Master device is a LAG master and this device has a VLAN"); return -EINVAL; + } if (netif_is_lag_port(dev) && is_vlan_dev(upper_dev) && - !netif_is_lag_master(vlan_dev_real_dev(upper_dev))) + !netif_is_lag_master(vlan_dev_real_dev(upper_dev))) { + NL_SET_ERR_MSG_MOD(extack, "Can not put a VLAN on a LAG port"); return -EINVAL; - if (netif_is_ovs_master(upper_dev) && vlan_uses_dev(dev)) + } + if (netif_is_ovs_master(upper_dev) && vlan_uses_dev(dev)) { + NL_SET_ERR_MSG_MOD(extack, "Master device is an OVS master and this device has a VLAN"); return -EINVAL; - if (netif_is_ovs_port(dev) && is_vlan_dev(upper_dev)) + } + if (netif_is_ovs_port(dev) && is_vlan_dev(upper_dev)) { + NL_SET_ERR_MSG_MOD(extack, "Can not put a VLAN on an OVS port"); return -EINVAL; + } + if (netif_is_bridge_master(upper_dev)) { + br_vlan_get_proto(upper_dev, &proto); + if (br_vlan_enabled(upper_dev) && + proto != ETH_P_8021Q && proto != ETH_P_8021AD) { + NL_SET_ERR_MSG_MOD(extack, "Enslaving a port to a bridge with unknown VLAN protocol is not supported"); + return -EOPNOTSUPP; + } + if (vlan_uses_dev(lower_dev) && + br_vlan_enabled(upper_dev) && + proto == ETH_P_8021AD) { + NL_SET_ERR_MSG_MOD(extack, "Enslaving a port that already has a VLAN upper to an 802.1ad bridge is not supported"); + return -EOPNOTSUPP; + } + } + if (netif_is_bridge_port(lower_dev) && is_vlan_dev(upper_dev)) { + struct net_device *br_dev = netdev_master_upper_dev_get(lower_dev); + + if (br_vlan_enabled(br_dev)) { + br_vlan_get_proto(br_dev, &proto); + if (proto == ETH_P_8021AD) { + NL_SET_ERR_MSG_MOD(extack, "VLAN uppers are not supported on a port enslaved to an 802.1ad bridge"); + return -EOPNOTSUPP; + } + } + } + if (is_vlan_dev(upper_dev) && + ntohs(vlan_dev_vlan_proto(upper_dev)) != ETH_P_8021Q) { + NL_SET_ERR_MSG_MOD(extack, "VLAN uppers are only supported with 802.1q VLAN protocol"); + return -EOPNOTSUPP; + } + if (is_vlan_dev(upper_dev) && mlxsw_sp_port->security) { + NL_SET_ERR_MSG_MOD(extack, "VLAN uppers are not supported on a locked port"); + return -EOPNOTSUPP; + } break; case NETDEV_CHANGEUPPER: upper_dev = info->upper_dev; if (netif_is_bridge_master(upper_dev)) { - if (info->linking) + if (info->linking) { err = mlxsw_sp_port_bridge_join(mlxsw_sp_port, lower_dev, - upper_dev); - else + upper_dev, + extack); + } else { mlxsw_sp_port_bridge_leave(mlxsw_sp_port, lower_dev, upper_dev); + if (!replay_deslavement) + break; + mlxsw_sp_netdevice_deslavement_replay(mlxsw_sp, + lower_dev); + } } else if (netif_is_lag_master(upper_dev)) { - if (info->linking) + if (info->linking) { err = mlxsw_sp_port_lag_join(mlxsw_sp_port, - upper_dev); - else + upper_dev, extack); + } else { + mlxsw_sp_port_lag_col_dist_disable(mlxsw_sp_port); mlxsw_sp_port_lag_leave(mlxsw_sp_port, upper_dev); + mlxsw_sp_netdevice_deslavement_replay(mlxsw_sp, + dev); + } } else if (netif_is_ovs_master(upper_dev)) { if (info->linking) err = mlxsw_sp_port_ovs_join(mlxsw_sp_port); else mlxsw_sp_port_ovs_leave(mlxsw_sp_port); + } else if (netif_is_macvlan(upper_dev)) { + if (!info->linking) + mlxsw_sp_rif_macvlan_del(mlxsw_sp, upper_dev); + } else if (is_vlan_dev(upper_dev)) { + struct net_device *br_dev; + + if (!netif_is_bridge_port(upper_dev)) + break; + if (info->linking) + break; + br_dev = netdev_master_upper_dev_get(upper_dev); + mlxsw_sp_port_bridge_leave(mlxsw_sp_port, upper_dev, + br_dev); } break; } @@ -4209,13 +4892,15 @@ static int mlxsw_sp_netdevice_port_lower_event(struct net_device *dev, static int mlxsw_sp_netdevice_port_event(struct net_device *lower_dev, struct net_device *port_dev, - unsigned long event, void *ptr) + unsigned long event, void *ptr, + bool replay_deslavement) { switch (event) { case NETDEV_PRECHANGEUPPER: case NETDEV_CHANGEUPPER: return mlxsw_sp_netdevice_port_upper_event(lower_dev, port_dev, - event, ptr); + event, ptr, + replay_deslavement); case NETDEV_CHANGELOWERSTATE: return mlxsw_sp_netdevice_port_lower_event(port_dev, event, ptr); @@ -4224,6 +4909,30 @@ static int mlxsw_sp_netdevice_port_event(struct net_device *lower_dev, return 0; } +/* Called for LAG or its upper VLAN after the per-LAG-lower processing was done, + * to do any per-LAG / per-LAG-upper processing. + */ +static int mlxsw_sp_netdevice_post_lag_event(struct net_device *dev, + unsigned long event, + void *ptr) +{ + struct mlxsw_sp *mlxsw_sp = mlxsw_sp_lower_get(dev); + struct netdev_notifier_changeupper_info *info = ptr; + + if (!mlxsw_sp) + return 0; + + switch (event) { + case NETDEV_CHANGEUPPER: + if (info->linking) + break; + if (netif_is_bridge_master(info->upper_dev)) + mlxsw_sp_netdevice_deslavement_replay(mlxsw_sp, dev); + break; + } + return 0; +} + static int mlxsw_sp_netdevice_lag_event(struct net_device *lag_dev, unsigned long event, void *ptr) { @@ -4234,45 +4943,76 @@ static int mlxsw_sp_netdevice_lag_event(struct net_device *lag_dev, netdev_for_each_lower_dev(lag_dev, dev, iter) { if (mlxsw_sp_port_dev_check(dev)) { ret = mlxsw_sp_netdevice_port_event(lag_dev, dev, event, - ptr); + ptr, false); if (ret) return ret; } } - return 0; + return mlxsw_sp_netdevice_post_lag_event(lag_dev, event, ptr); } static int mlxsw_sp_netdevice_port_vlan_event(struct net_device *vlan_dev, struct net_device *dev, unsigned long event, void *ptr, - u16 vid) + u16 vid, bool replay_deslavement) { struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); + struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; struct netdev_notifier_changeupper_info *info = ptr; + struct netlink_ext_ack *extack; struct net_device *upper_dev; int err = 0; + extack = netdev_notifier_info_to_extack(&info->info); + switch (event) { case NETDEV_PRECHANGEUPPER: upper_dev = info->upper_dev; - if (!netif_is_bridge_master(upper_dev)) + if (!netif_is_bridge_master(upper_dev) && + !netif_is_macvlan(upper_dev) && + !netif_is_l3_master(upper_dev)) { + NL_SET_ERR_MSG_MOD(extack, "Unknown upper device type"); return -EINVAL; + } + if (!info->linking) + break; + if (netif_is_bridge_master(upper_dev) && + !mlxsw_sp_bridge_device_is_offloaded(mlxsw_sp, upper_dev) && + mlxsw_sp_bridge_has_vxlan(upper_dev) && + !mlxsw_sp_bridge_vxlan_is_valid(upper_dev, extack)) + return -EOPNOTSUPP; + if (netdev_has_any_upper_dev(upper_dev) && + (!netif_is_bridge_master(upper_dev) || + !mlxsw_sp_bridge_device_is_offloaded(mlxsw_sp, + upper_dev))) { + err = mlxsw_sp_netdevice_validate_uppers(mlxsw_sp, + upper_dev, + extack); + if (err) + return err; + } break; case NETDEV_CHANGEUPPER: upper_dev = info->upper_dev; if (netif_is_bridge_master(upper_dev)) { - if (info->linking) + if (info->linking) { err = mlxsw_sp_port_bridge_join(mlxsw_sp_port, vlan_dev, - upper_dev); - else + upper_dev, + extack); + } else { mlxsw_sp_port_bridge_leave(mlxsw_sp_port, vlan_dev, upper_dev); - } else { - err = -EINVAL; - WARN_ON(1); + if (!replay_deslavement) + break; + mlxsw_sp_netdevice_deslavement_replay(mlxsw_sp, + vlan_dev); + } + } else if (netif_is_macvlan(upper_dev)) { + if (!info->linking) + mlxsw_sp_rif_macvlan_del(mlxsw_sp, upper_dev); } break; } @@ -4293,118 +5033,357 @@ static int mlxsw_sp_netdevice_lag_port_vlan_event(struct net_device *vlan_dev, if (mlxsw_sp_port_dev_check(dev)) { ret = mlxsw_sp_netdevice_port_vlan_event(vlan_dev, dev, event, ptr, - vid); + vid, false); if (ret) return ret; } } + return mlxsw_sp_netdevice_post_lag_event(vlan_dev, event, ptr); +} + +static int mlxsw_sp_netdevice_bridge_vlan_event(struct mlxsw_sp *mlxsw_sp, + struct net_device *vlan_dev, + struct net_device *br_dev, + unsigned long event, void *ptr, + u16 vid, bool process_foreign) +{ + struct netdev_notifier_changeupper_info *info = ptr; + struct netlink_ext_ack *extack; + struct net_device *upper_dev; + + if (!process_foreign && !mlxsw_sp_lower_get(vlan_dev)) + return 0; + + extack = netdev_notifier_info_to_extack(&info->info); + + switch (event) { + case NETDEV_PRECHANGEUPPER: + upper_dev = info->upper_dev; + if (!netif_is_macvlan(upper_dev) && + !netif_is_l3_master(upper_dev)) { + NL_SET_ERR_MSG_MOD(extack, "Unknown upper device type"); + return -EOPNOTSUPP; + } + break; + case NETDEV_CHANGEUPPER: + upper_dev = info->upper_dev; + if (info->linking) + break; + if (netif_is_macvlan(upper_dev)) + mlxsw_sp_rif_macvlan_del(mlxsw_sp, upper_dev); + break; + } + return 0; } -static int mlxsw_sp_netdevice_vlan_event(struct net_device *vlan_dev, - unsigned long event, void *ptr) +static int mlxsw_sp_netdevice_vlan_event(struct mlxsw_sp *mlxsw_sp, + struct net_device *vlan_dev, + unsigned long event, void *ptr, + bool process_foreign) { struct net_device *real_dev = vlan_dev_real_dev(vlan_dev); u16 vid = vlan_dev_vlan_id(vlan_dev); if (mlxsw_sp_port_dev_check(real_dev)) return mlxsw_sp_netdevice_port_vlan_event(vlan_dev, real_dev, - event, ptr, vid); + event, ptr, vid, + true); else if (netif_is_lag_master(real_dev)) return mlxsw_sp_netdevice_lag_port_vlan_event(vlan_dev, real_dev, event, ptr, vid); + else if (netif_is_bridge_master(real_dev)) + return mlxsw_sp_netdevice_bridge_vlan_event(mlxsw_sp, vlan_dev, + real_dev, event, + ptr, vid, + process_foreign); return 0; } -static bool mlxsw_sp_is_vrf_event(unsigned long event, void *ptr) +static int mlxsw_sp_netdevice_bridge_event(struct mlxsw_sp *mlxsw_sp, + struct net_device *br_dev, + unsigned long event, void *ptr, + bool process_foreign) { struct netdev_notifier_changeupper_info *info = ptr; + struct netlink_ext_ack *extack; + struct net_device *upper_dev; + u16 proto; - if (event != NETDEV_PRECHANGEUPPER && event != NETDEV_CHANGEUPPER) - return false; - return netif_is_l3_master(info->upper_dev); + if (!process_foreign && !mlxsw_sp_lower_get(br_dev)) + return 0; + + extack = netdev_notifier_info_to_extack(&info->info); + + switch (event) { + case NETDEV_PRECHANGEUPPER: + upper_dev = info->upper_dev; + if (!is_vlan_dev(upper_dev) && + !netif_is_macvlan(upper_dev) && + !netif_is_l3_master(upper_dev)) { + NL_SET_ERR_MSG_MOD(extack, "Unknown upper device type"); + return -EOPNOTSUPP; + } + if (!info->linking) + break; + if (br_vlan_enabled(br_dev)) { + br_vlan_get_proto(br_dev, &proto); + if (proto == ETH_P_8021AD) { + NL_SET_ERR_MSG_MOD(extack, "Upper devices are not supported on top of an 802.1ad bridge"); + return -EOPNOTSUPP; + } + } + if (is_vlan_dev(upper_dev) && + ntohs(vlan_dev_vlan_proto(upper_dev)) != ETH_P_8021Q) { + NL_SET_ERR_MSG_MOD(extack, "VLAN uppers are only supported with 802.1q VLAN protocol"); + return -EOPNOTSUPP; + } + break; + case NETDEV_CHANGEUPPER: + upper_dev = info->upper_dev; + if (info->linking) + break; + if (is_vlan_dev(upper_dev)) + mlxsw_sp_rif_destroy_by_dev(mlxsw_sp, upper_dev); + if (netif_is_macvlan(upper_dev)) + mlxsw_sp_rif_macvlan_del(mlxsw_sp, upper_dev); + break; + } + + return 0; } -static int mlxsw_sp_netdevice_event(struct notifier_block *unused, - unsigned long event, void *ptr) +static int mlxsw_sp_netdevice_macvlan_event(struct net_device *macvlan_dev, + unsigned long event, void *ptr) +{ + struct mlxsw_sp *mlxsw_sp = mlxsw_sp_lower_get(macvlan_dev); + struct netdev_notifier_changeupper_info *info = ptr; + struct netlink_ext_ack *extack; + struct net_device *upper_dev; + + if (!mlxsw_sp || event != NETDEV_PRECHANGEUPPER) + return 0; + + extack = netdev_notifier_info_to_extack(&info->info); + upper_dev = info->upper_dev; + + if (!netif_is_l3_master(upper_dev)) { + NL_SET_ERR_MSG_MOD(extack, "Unknown upper device type"); + return -EOPNOTSUPP; + } + + return 0; +} + +static int mlxsw_sp_netdevice_vxlan_event(struct mlxsw_sp *mlxsw_sp, + struct net_device *dev, + unsigned long event, void *ptr) +{ + struct netdev_notifier_changeupper_info *cu_info; + struct netdev_notifier_info *info = ptr; + struct netlink_ext_ack *extack; + struct net_device *upper_dev; + + extack = netdev_notifier_info_to_extack(info); + + switch (event) { + case NETDEV_CHANGEUPPER: + cu_info = container_of(info, + struct netdev_notifier_changeupper_info, + info); + upper_dev = cu_info->upper_dev; + if (!netif_is_bridge_master(upper_dev)) + return 0; + if (!mlxsw_sp_lower_get(upper_dev)) + return 0; + if (!mlxsw_sp_bridge_vxlan_is_valid(upper_dev, extack)) + return -EOPNOTSUPP; + if (!netif_running(dev)) + return 0; + if (cu_info->linking) + return mlxsw_sp_bridge_vxlan_join(mlxsw_sp, upper_dev, + dev, 0, extack); + else + mlxsw_sp_bridge_vxlan_leave(mlxsw_sp, dev); + break; + case NETDEV_PRE_UP: + upper_dev = netdev_master_upper_dev_get(dev); + if (!upper_dev) + return 0; + if (!netif_is_bridge_master(upper_dev)) + return 0; + if (!mlxsw_sp_lower_get(upper_dev)) + return 0; + return mlxsw_sp_bridge_vxlan_join(mlxsw_sp, upper_dev, dev, 0, + extack); + case NETDEV_DOWN: + upper_dev = netdev_master_upper_dev_get(dev); + if (!upper_dev) + return 0; + if (!netif_is_bridge_master(upper_dev)) + return 0; + if (!mlxsw_sp_lower_get(upper_dev)) + return 0; + mlxsw_sp_bridge_vxlan_leave(mlxsw_sp, dev); + break; + } + + return 0; +} + +static int __mlxsw_sp_netdevice_event(struct mlxsw_sp *mlxsw_sp, + unsigned long event, void *ptr, + bool process_foreign) { struct net_device *dev = netdev_notifier_info_to_dev(ptr); + struct mlxsw_sp_span_entry *span_entry; int err = 0; - if (event == NETDEV_CHANGEADDR || event == NETDEV_CHANGEMTU) - err = mlxsw_sp_netdevice_router_port_event(dev); - else if (mlxsw_sp_is_vrf_event(event, ptr)) - err = mlxsw_sp_netdevice_vrf_event(dev, event, ptr); + if (event == NETDEV_UNREGISTER) { + span_entry = mlxsw_sp_span_entry_find_by_port(mlxsw_sp, dev); + if (span_entry) + mlxsw_sp_span_entry_invalidate(mlxsw_sp, span_entry); + } + + if (netif_is_vxlan(dev)) + err = mlxsw_sp_netdevice_vxlan_event(mlxsw_sp, dev, event, ptr); else if (mlxsw_sp_port_dev_check(dev)) - err = mlxsw_sp_netdevice_port_event(dev, dev, event, ptr); + err = mlxsw_sp_netdevice_port_event(dev, dev, event, ptr, true); else if (netif_is_lag_master(dev)) err = mlxsw_sp_netdevice_lag_event(dev, event, ptr); else if (is_vlan_dev(dev)) - err = mlxsw_sp_netdevice_vlan_event(dev, event, ptr); + err = mlxsw_sp_netdevice_vlan_event(mlxsw_sp, dev, event, ptr, + process_foreign); + else if (netif_is_bridge_master(dev)) + err = mlxsw_sp_netdevice_bridge_event(mlxsw_sp, dev, event, ptr, + process_foreign); + else if (netif_is_macvlan(dev)) + err = mlxsw_sp_netdevice_macvlan_event(dev, event, ptr); + + return err; +} + +static int mlxsw_sp_netdevice_event(struct notifier_block *nb, + unsigned long event, void *ptr) +{ + struct mlxsw_sp *mlxsw_sp; + int err; + + mlxsw_sp = container_of(nb, struct mlxsw_sp, netdevice_nb); + mlxsw_sp_span_respin(mlxsw_sp); + err = __mlxsw_sp_netdevice_event(mlxsw_sp, event, ptr, false); return notifier_from_errno(err); } -static struct notifier_block mlxsw_sp_netdevice_nb __read_mostly = { - .notifier_call = mlxsw_sp_netdevice_event, +static const struct pci_device_id mlxsw_sp1_pci_id_table[] = { + {PCI_VDEVICE(MELLANOX, PCI_DEVICE_ID_MELLANOX_SPECTRUM), 0}, + {0, }, +}; + +static struct pci_driver mlxsw_sp1_pci_driver = { + .name = mlxsw_sp1_driver_name, + .id_table = mlxsw_sp1_pci_id_table, }; -static struct notifier_block mlxsw_sp_inetaddr_nb __read_mostly = { - .notifier_call = mlxsw_sp_inetaddr_event, - .priority = 10, /* Must be called before FIB notifier block */ +static const struct pci_device_id mlxsw_sp2_pci_id_table[] = { + {PCI_VDEVICE(MELLANOX, PCI_DEVICE_ID_MELLANOX_SPECTRUM2), 0}, + {0, }, }; -static struct notifier_block mlxsw_sp_router_netevent_nb __read_mostly = { - .notifier_call = mlxsw_sp_router_netevent_event, +static struct pci_driver mlxsw_sp2_pci_driver = { + .name = mlxsw_sp2_driver_name, + .id_table = mlxsw_sp2_pci_id_table, }; -static const struct pci_device_id mlxsw_sp_pci_id_table[] = { - {PCI_VDEVICE(MELLANOX, PCI_DEVICE_ID_MELLANOX_SPECTRUM), 0}, +static const struct pci_device_id mlxsw_sp3_pci_id_table[] = { + {PCI_VDEVICE(MELLANOX, PCI_DEVICE_ID_MELLANOX_SPECTRUM3), 0}, {0, }, }; -static struct pci_driver mlxsw_sp_pci_driver = { - .name = mlxsw_sp_driver_name, - .id_table = mlxsw_sp_pci_id_table, +static struct pci_driver mlxsw_sp3_pci_driver = { + .name = mlxsw_sp3_driver_name, + .id_table = mlxsw_sp3_pci_id_table, +}; + +static const struct pci_device_id mlxsw_sp4_pci_id_table[] = { + {PCI_VDEVICE(MELLANOX, PCI_DEVICE_ID_MELLANOX_SPECTRUM4), 0}, + {0, }, +}; + +static struct pci_driver mlxsw_sp4_pci_driver = { + .name = mlxsw_sp4_driver_name, + .id_table = mlxsw_sp4_pci_id_table, }; static int __init mlxsw_sp_module_init(void) { int err; - register_netdevice_notifier(&mlxsw_sp_netdevice_nb); - register_inetaddr_notifier(&mlxsw_sp_inetaddr_nb); - register_netevent_notifier(&mlxsw_sp_router_netevent_nb); + err = mlxsw_core_driver_register(&mlxsw_sp1_driver); + if (err) + return err; + + err = mlxsw_core_driver_register(&mlxsw_sp2_driver); + if (err) + goto err_sp2_core_driver_register; + + err = mlxsw_core_driver_register(&mlxsw_sp3_driver); + if (err) + goto err_sp3_core_driver_register; + + err = mlxsw_core_driver_register(&mlxsw_sp4_driver); + if (err) + goto err_sp4_core_driver_register; + + err = mlxsw_pci_driver_register(&mlxsw_sp1_pci_driver); + if (err) + goto err_sp1_pci_driver_register; + + err = mlxsw_pci_driver_register(&mlxsw_sp2_pci_driver); + if (err) + goto err_sp2_pci_driver_register; - err = mlxsw_core_driver_register(&mlxsw_sp_driver); + err = mlxsw_pci_driver_register(&mlxsw_sp3_pci_driver); if (err) - goto err_core_driver_register; + goto err_sp3_pci_driver_register; - err = mlxsw_pci_driver_register(&mlxsw_sp_pci_driver); + err = mlxsw_pci_driver_register(&mlxsw_sp4_pci_driver); if (err) - goto err_pci_driver_register; + goto err_sp4_pci_driver_register; return 0; -err_pci_driver_register: - mlxsw_core_driver_unregister(&mlxsw_sp_driver); -err_core_driver_register: - unregister_netevent_notifier(&mlxsw_sp_router_netevent_nb); - unregister_inetaddr_notifier(&mlxsw_sp_inetaddr_nb); - unregister_netdevice_notifier(&mlxsw_sp_netdevice_nb); +err_sp4_pci_driver_register: + mlxsw_pci_driver_unregister(&mlxsw_sp3_pci_driver); +err_sp3_pci_driver_register: + mlxsw_pci_driver_unregister(&mlxsw_sp2_pci_driver); +err_sp2_pci_driver_register: + mlxsw_pci_driver_unregister(&mlxsw_sp1_pci_driver); +err_sp1_pci_driver_register: + mlxsw_core_driver_unregister(&mlxsw_sp4_driver); +err_sp4_core_driver_register: + mlxsw_core_driver_unregister(&mlxsw_sp3_driver); +err_sp3_core_driver_register: + mlxsw_core_driver_unregister(&mlxsw_sp2_driver); +err_sp2_core_driver_register: + mlxsw_core_driver_unregister(&mlxsw_sp1_driver); return err; } static void __exit mlxsw_sp_module_exit(void) { - mlxsw_pci_driver_unregister(&mlxsw_sp_pci_driver); - mlxsw_core_driver_unregister(&mlxsw_sp_driver); - unregister_netevent_notifier(&mlxsw_sp_router_netevent_nb); - unregister_inetaddr_notifier(&mlxsw_sp_inetaddr_nb); - unregister_netdevice_notifier(&mlxsw_sp_netdevice_nb); + mlxsw_pci_driver_unregister(&mlxsw_sp4_pci_driver); + mlxsw_pci_driver_unregister(&mlxsw_sp3_pci_driver); + mlxsw_pci_driver_unregister(&mlxsw_sp2_pci_driver); + mlxsw_pci_driver_unregister(&mlxsw_sp1_pci_driver); + mlxsw_core_driver_unregister(&mlxsw_sp4_driver); + mlxsw_core_driver_unregister(&mlxsw_sp3_driver); + mlxsw_core_driver_unregister(&mlxsw_sp2_driver); + mlxsw_core_driver_unregister(&mlxsw_sp1_driver); } module_init(mlxsw_sp_module_init); @@ -4413,5 +5392,11 @@ module_exit(mlxsw_sp_module_exit); MODULE_LICENSE("Dual BSD/GPL"); MODULE_AUTHOR("Jiri Pirko <jiri@mellanox.com>"); MODULE_DESCRIPTION("Mellanox Spectrum driver"); -MODULE_DEVICE_TABLE(pci, mlxsw_sp_pci_id_table); -MODULE_FIRMWARE(MLXSW_SP_FW_FILENAME); +MODULE_DEVICE_TABLE(pci, mlxsw_sp1_pci_id_table); +MODULE_DEVICE_TABLE(pci, mlxsw_sp2_pci_id_table); +MODULE_DEVICE_TABLE(pci, mlxsw_sp3_pci_id_table); +MODULE_DEVICE_TABLE(pci, mlxsw_sp4_pci_id_table); +MODULE_FIRMWARE(MLXSW_SP1_FW_FILENAME); +MODULE_FIRMWARE(MLXSW_SP2_FW_FILENAME); +MODULE_FIRMWARE(MLXSW_SP3_FW_FILENAME); +MODULE_FIRMWARE(MLXSW_SP_LINECARDS_INI_BUNDLE_FILENAME); |