diff options
Diffstat (limited to 'drivers/net/ethernet/ti/cpsw.c')
| -rw-r--r-- | drivers/net/ethernet/ti/cpsw.c | 2747 |
1 files changed, 657 insertions, 2090 deletions
diff --git a/drivers/net/ethernet/ti/cpsw.c b/drivers/net/ethernet/ti/cpsw.c index badd0a8caeb9..54c24cd3d3be 100644 --- a/drivers/net/ethernet/ti/cpsw.c +++ b/drivers/net/ethernet/ti/cpsw.c @@ -1,16 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Texas Instruments Ethernet Switch Driver * * Copyright (C) 2012 Texas Instruments * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation version 2. - * - * This program is distributed "as is" WITHOUT ANY WARRANTY of any - * kind, whether express or implied; without even the implied warranty - * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. */ #include <linux/kernel.h> @@ -26,126 +19,33 @@ #include <linux/netdevice.h> #include <linux/net_tstamp.h> #include <linux/phy.h> +#include <linux/phy/phy.h> #include <linux/workqueue.h> #include <linux/delay.h> #include <linux/pm_runtime.h> -#include <linux/gpio.h> +#include <linux/gpio/consumer.h> #include <linux/of.h> #include <linux/of_mdio.h> #include <linux/of_net.h> -#include <linux/of_device.h> +#include <linux/of_platform.h> #include <linux/if_vlan.h> +#include <linux/kmemleak.h> +#include <linux/sys_soc.h> +#include <net/page_pool/helpers.h> +#include <linux/bpf.h> +#include <linux/bpf_trace.h> #include <linux/pinctrl/consumer.h> +#include <net/pkt_cls.h> #include "cpsw.h" #include "cpsw_ale.h" +#include "cpsw_priv.h" +#include "cpsw_sl.h" #include "cpts.h" #include "davinci_cpdma.h" -#define CPSW_DEBUG (NETIF_MSG_HW | NETIF_MSG_WOL | \ - NETIF_MSG_DRV | NETIF_MSG_LINK | \ - NETIF_MSG_IFUP | NETIF_MSG_INTR | \ - NETIF_MSG_PROBE | NETIF_MSG_TIMER | \ - NETIF_MSG_IFDOWN | NETIF_MSG_RX_ERR | \ - NETIF_MSG_TX_ERR | NETIF_MSG_TX_DONE | \ - NETIF_MSG_PKTDATA | NETIF_MSG_TX_QUEUED | \ - NETIF_MSG_RX_STATUS) - -#define cpsw_info(priv, type, format, ...) \ -do { \ - if (netif_msg_##type(priv) && net_ratelimit()) \ - dev_info(priv->dev, format, ## __VA_ARGS__); \ -} while (0) - -#define cpsw_err(priv, type, format, ...) \ -do { \ - if (netif_msg_##type(priv) && net_ratelimit()) \ - dev_err(priv->dev, format, ## __VA_ARGS__); \ -} while (0) - -#define cpsw_dbg(priv, type, format, ...) \ -do { \ - if (netif_msg_##type(priv) && net_ratelimit()) \ - dev_dbg(priv->dev, format, ## __VA_ARGS__); \ -} while (0) - -#define cpsw_notice(priv, type, format, ...) \ -do { \ - if (netif_msg_##type(priv) && net_ratelimit()) \ - dev_notice(priv->dev, format, ## __VA_ARGS__); \ -} while (0) - -#define ALE_ALL_PORTS 0x7 - -#define CPSW_MAJOR_VERSION(reg) (reg >> 8 & 0x7) -#define CPSW_MINOR_VERSION(reg) (reg & 0xff) -#define CPSW_RTL_VERSION(reg) ((reg >> 11) & 0x1f) - -#define CPSW_VERSION_1 0x19010a -#define CPSW_VERSION_2 0x19010c -#define CPSW_VERSION_3 0x19010f -#define CPSW_VERSION_4 0x190112 - -#define HOST_PORT_NUM 0 -#define SLIVER_SIZE 0x40 - -#define CPSW1_HOST_PORT_OFFSET 0x028 -#define CPSW1_SLAVE_OFFSET 0x050 -#define CPSW1_SLAVE_SIZE 0x040 -#define CPSW1_CPDMA_OFFSET 0x100 -#define CPSW1_STATERAM_OFFSET 0x200 -#define CPSW1_HW_STATS 0x400 -#define CPSW1_CPTS_OFFSET 0x500 -#define CPSW1_ALE_OFFSET 0x600 -#define CPSW1_SLIVER_OFFSET 0x700 - -#define CPSW2_HOST_PORT_OFFSET 0x108 -#define CPSW2_SLAVE_OFFSET 0x200 -#define CPSW2_SLAVE_SIZE 0x100 -#define CPSW2_CPDMA_OFFSET 0x800 -#define CPSW2_HW_STATS 0x900 -#define CPSW2_STATERAM_OFFSET 0xa00 -#define CPSW2_CPTS_OFFSET 0xc00 -#define CPSW2_ALE_OFFSET 0xd00 -#define CPSW2_SLIVER_OFFSET 0xd80 -#define CPSW2_BD_OFFSET 0x2000 - -#define CPDMA_RXTHRESH 0x0c0 -#define CPDMA_RXFREE 0x0e0 -#define CPDMA_TXHDP 0x00 -#define CPDMA_RXHDP 0x20 -#define CPDMA_TXCP 0x40 -#define CPDMA_RXCP 0x60 - -#define CPSW_POLL_WEIGHT 64 -#define CPSW_MIN_PACKET_SIZE 60 -#define CPSW_MAX_PACKET_SIZE (1500 + 14 + 4 + 4) - -#define RX_PRIORITY_MAPPING 0x76543210 -#define TX_PRIORITY_MAPPING 0x33221100 -#define CPDMA_TX_PRIORITY_MAP 0x01234567 - -#define CPSW_VLAN_AWARE BIT(1) -#define CPSW_ALE_VLAN_AWARE 1 - -#define CPSW_FIFO_NORMAL_MODE (0 << 16) -#define CPSW_FIFO_DUAL_MAC_MODE (1 << 16) -#define CPSW_FIFO_RATE_LIMIT_MODE (2 << 16) - -#define CPSW_INTPACEEN (0x3f << 16) -#define CPSW_INTPRESCALE_MASK (0x7FF << 0) -#define CPSW_CMINTMAX_CNT 63 -#define CPSW_CMINTMIN_CNT 2 -#define CPSW_CMINTMAX_INTVL (1000 / CPSW_CMINTMIN_CNT) -#define CPSW_CMINTMIN_INTVL ((1000 / CPSW_CMINTMAX_CNT) + 1) - -#define cpsw_slave_index(cpsw, priv) \ - ((cpsw->data.dual_emac) ? priv->emac_port : \ - cpsw->data.active_slave) -#define IRQ_NUM 2 -#define CPSW_MAX_QUEUES 8 -#define CPSW_CPDMA_DESCS_POOL_SIZE_DEFAULT 256 +#include <net/pkt_sched.h> static int debug_level; module_param(debug_level, int, 0); @@ -163,341 +63,6 @@ static int descs_pool_size = CPSW_CPDMA_DESCS_POOL_SIZE_DEFAULT; module_param(descs_pool_size, int, 0444); MODULE_PARM_DESC(descs_pool_size, "Number of CPDMA CPPI descriptors in pool"); -struct cpsw_wr_regs { - u32 id_ver; - u32 soft_reset; - u32 control; - u32 int_control; - u32 rx_thresh_en; - u32 rx_en; - u32 tx_en; - u32 misc_en; - u32 mem_allign1[8]; - u32 rx_thresh_stat; - u32 rx_stat; - u32 tx_stat; - u32 misc_stat; - u32 mem_allign2[8]; - u32 rx_imax; - u32 tx_imax; - -}; - -struct cpsw_ss_regs { - u32 id_ver; - u32 control; - u32 soft_reset; - u32 stat_port_en; - u32 ptype; - u32 soft_idle; - u32 thru_rate; - u32 gap_thresh; - u32 tx_start_wds; - u32 flow_control; - u32 vlan_ltype; - u32 ts_ltype; - u32 dlr_ltype; -}; - -/* CPSW_PORT_V1 */ -#define CPSW1_MAX_BLKS 0x00 /* Maximum FIFO Blocks */ -#define CPSW1_BLK_CNT 0x04 /* FIFO Block Usage Count (Read Only) */ -#define CPSW1_TX_IN_CTL 0x08 /* Transmit FIFO Control */ -#define CPSW1_PORT_VLAN 0x0c /* VLAN Register */ -#define CPSW1_TX_PRI_MAP 0x10 /* Tx Header Priority to Switch Pri Mapping */ -#define CPSW1_TS_CTL 0x14 /* Time Sync Control */ -#define CPSW1_TS_SEQ_LTYPE 0x18 /* Time Sync Sequence ID Offset and Msg Type */ -#define CPSW1_TS_VLAN 0x1c /* Time Sync VLAN1 and VLAN2 */ - -/* CPSW_PORT_V2 */ -#define CPSW2_CONTROL 0x00 /* Control Register */ -#define CPSW2_MAX_BLKS 0x08 /* Maximum FIFO Blocks */ -#define CPSW2_BLK_CNT 0x0c /* FIFO Block Usage Count (Read Only) */ -#define CPSW2_TX_IN_CTL 0x10 /* Transmit FIFO Control */ -#define CPSW2_PORT_VLAN 0x14 /* VLAN Register */ -#define CPSW2_TX_PRI_MAP 0x18 /* Tx Header Priority to Switch Pri Mapping */ -#define CPSW2_TS_SEQ_MTYPE 0x1c /* Time Sync Sequence ID Offset and Msg Type */ - -/* CPSW_PORT_V1 and V2 */ -#define SA_LO 0x20 /* CPGMAC_SL Source Address Low */ -#define SA_HI 0x24 /* CPGMAC_SL Source Address High */ -#define SEND_PERCENT 0x28 /* Transmit Queue Send Percentages */ - -/* CPSW_PORT_V2 only */ -#define RX_DSCP_PRI_MAP0 0x30 /* Rx DSCP Priority to Rx Packet Mapping */ -#define RX_DSCP_PRI_MAP1 0x34 /* Rx DSCP Priority to Rx Packet Mapping */ -#define RX_DSCP_PRI_MAP2 0x38 /* Rx DSCP Priority to Rx Packet Mapping */ -#define RX_DSCP_PRI_MAP3 0x3c /* Rx DSCP Priority to Rx Packet Mapping */ -#define RX_DSCP_PRI_MAP4 0x40 /* Rx DSCP Priority to Rx Packet Mapping */ -#define RX_DSCP_PRI_MAP5 0x44 /* Rx DSCP Priority to Rx Packet Mapping */ -#define RX_DSCP_PRI_MAP6 0x48 /* Rx DSCP Priority to Rx Packet Mapping */ -#define RX_DSCP_PRI_MAP7 0x4c /* Rx DSCP Priority to Rx Packet Mapping */ - -/* Bit definitions for the CPSW2_CONTROL register */ -#define PASS_PRI_TAGGED (1<<24) /* Pass Priority Tagged */ -#define VLAN_LTYPE2_EN (1<<21) /* VLAN LTYPE 2 enable */ -#define VLAN_LTYPE1_EN (1<<20) /* VLAN LTYPE 1 enable */ -#define DSCP_PRI_EN (1<<16) /* DSCP Priority Enable */ -#define TS_320 (1<<14) /* Time Sync Dest Port 320 enable */ -#define TS_319 (1<<13) /* Time Sync Dest Port 319 enable */ -#define TS_132 (1<<12) /* Time Sync Dest IP Addr 132 enable */ -#define TS_131 (1<<11) /* Time Sync Dest IP Addr 131 enable */ -#define TS_130 (1<<10) /* Time Sync Dest IP Addr 130 enable */ -#define TS_129 (1<<9) /* Time Sync Dest IP Addr 129 enable */ -#define TS_TTL_NONZERO (1<<8) /* Time Sync Time To Live Non-zero enable */ -#define TS_ANNEX_F_EN (1<<6) /* Time Sync Annex F enable */ -#define TS_ANNEX_D_EN (1<<4) /* Time Sync Annex D enable */ -#define TS_LTYPE2_EN (1<<3) /* Time Sync LTYPE 2 enable */ -#define TS_LTYPE1_EN (1<<2) /* Time Sync LTYPE 1 enable */ -#define TS_TX_EN (1<<1) /* Time Sync Transmit Enable */ -#define TS_RX_EN (1<<0) /* Time Sync Receive Enable */ - -#define CTRL_V2_TS_BITS \ - (TS_320 | TS_319 | TS_132 | TS_131 | TS_130 | TS_129 |\ - TS_TTL_NONZERO | TS_ANNEX_D_EN | TS_LTYPE1_EN) - -#define CTRL_V2_ALL_TS_MASK (CTRL_V2_TS_BITS | TS_TX_EN | TS_RX_EN) -#define CTRL_V2_TX_TS_BITS (CTRL_V2_TS_BITS | TS_TX_EN) -#define CTRL_V2_RX_TS_BITS (CTRL_V2_TS_BITS | TS_RX_EN) - - -#define CTRL_V3_TS_BITS \ - (TS_320 | TS_319 | TS_132 | TS_131 | TS_130 | TS_129 |\ - TS_TTL_NONZERO | TS_ANNEX_F_EN | TS_ANNEX_D_EN |\ - TS_LTYPE1_EN) - -#define CTRL_V3_ALL_TS_MASK (CTRL_V3_TS_BITS | TS_TX_EN | TS_RX_EN) -#define CTRL_V3_TX_TS_BITS (CTRL_V3_TS_BITS | TS_TX_EN) -#define CTRL_V3_RX_TS_BITS (CTRL_V3_TS_BITS | TS_RX_EN) - -/* Bit definitions for the CPSW2_TS_SEQ_MTYPE register */ -#define TS_SEQ_ID_OFFSET_SHIFT (16) /* Time Sync Sequence ID Offset */ -#define TS_SEQ_ID_OFFSET_MASK (0x3f) -#define TS_MSG_TYPE_EN_SHIFT (0) /* Time Sync Message Type Enable */ -#define TS_MSG_TYPE_EN_MASK (0xffff) - -/* The PTP event messages - Sync, Delay_Req, Pdelay_Req, and Pdelay_Resp. */ -#define EVENT_MSG_BITS ((1<<0) | (1<<1) | (1<<2) | (1<<3)) - -/* Bit definitions for the CPSW1_TS_CTL register */ -#define CPSW_V1_TS_RX_EN BIT(0) -#define CPSW_V1_TS_TX_EN BIT(4) -#define CPSW_V1_MSG_TYPE_OFS 16 - -/* Bit definitions for the CPSW1_TS_SEQ_LTYPE register */ -#define CPSW_V1_SEQ_ID_OFS_SHIFT 16 - -#define CPSW_MAX_BLKS_TX 15 -#define CPSW_MAX_BLKS_TX_SHIFT 4 -#define CPSW_MAX_BLKS_RX 5 - -struct cpsw_host_regs { - u32 max_blks; - u32 blk_cnt; - u32 tx_in_ctl; - u32 port_vlan; - u32 tx_pri_map; - u32 cpdma_tx_pri_map; - u32 cpdma_rx_chan_map; -}; - -struct cpsw_sliver_regs { - u32 id_ver; - u32 mac_control; - u32 mac_status; - u32 soft_reset; - u32 rx_maxlen; - u32 __reserved_0; - u32 rx_pause; - u32 tx_pause; - u32 __reserved_1; - u32 rx_pri_map; -}; - -struct cpsw_hw_stats { - u32 rxgoodframes; - u32 rxbroadcastframes; - u32 rxmulticastframes; - u32 rxpauseframes; - u32 rxcrcerrors; - u32 rxaligncodeerrors; - u32 rxoversizedframes; - u32 rxjabberframes; - u32 rxundersizedframes; - u32 rxfragments; - u32 __pad_0[2]; - u32 rxoctets; - u32 txgoodframes; - u32 txbroadcastframes; - u32 txmulticastframes; - u32 txpauseframes; - u32 txdeferredframes; - u32 txcollisionframes; - u32 txsinglecollframes; - u32 txmultcollframes; - u32 txexcessivecollisions; - u32 txlatecollisions; - u32 txunderrun; - u32 txcarriersenseerrors; - u32 txoctets; - u32 octetframes64; - u32 octetframes65t127; - u32 octetframes128t255; - u32 octetframes256t511; - u32 octetframes512t1023; - u32 octetframes1024tup; - u32 netoctets; - u32 rxsofoverruns; - u32 rxmofoverruns; - u32 rxdmaoverruns; -}; - -struct cpsw_slave { - void __iomem *regs; - struct cpsw_sliver_regs __iomem *sliver; - int slave_num; - u32 mac_control; - struct cpsw_slave_data *data; - struct phy_device *phy; - struct net_device *ndev; - u32 port_vlan; -}; - -static inline u32 slave_read(struct cpsw_slave *slave, u32 offset) -{ - return __raw_readl(slave->regs + offset); -} - -static inline void slave_write(struct cpsw_slave *slave, u32 val, u32 offset) -{ - __raw_writel(val, slave->regs + offset); -} - -struct cpsw_vector { - struct cpdma_chan *ch; - int budget; -}; - -struct cpsw_common { - struct device *dev; - struct cpsw_platform_data data; - struct napi_struct napi_rx; - struct napi_struct napi_tx; - struct cpsw_ss_regs __iomem *regs; - struct cpsw_wr_regs __iomem *wr_regs; - u8 __iomem *hw_stats; - struct cpsw_host_regs __iomem *host_port_regs; - u32 version; - u32 coal_intvl; - u32 bus_freq_mhz; - int rx_packet_max; - struct cpsw_slave *slaves; - struct cpdma_ctlr *dma; - struct cpsw_vector txv[CPSW_MAX_QUEUES]; - struct cpsw_vector rxv[CPSW_MAX_QUEUES]; - struct cpsw_ale *ale; - bool quirk_irq; - bool rx_irq_disabled; - bool tx_irq_disabled; - u32 irqs_table[IRQ_NUM]; - struct cpts *cpts; - int rx_ch_num, tx_ch_num; - int speed; - int usage_count; -}; - -struct cpsw_priv { - struct net_device *ndev; - struct device *dev; - u32 msg_enable; - u8 mac_addr[ETH_ALEN]; - bool rx_pause; - bool tx_pause; - u32 emac_port; - struct cpsw_common *cpsw; -}; - -struct cpsw_stats { - char stat_string[ETH_GSTRING_LEN]; - int type; - int sizeof_stat; - int stat_offset; -}; - -enum { - CPSW_STATS, - CPDMA_RX_STATS, - CPDMA_TX_STATS, -}; - -#define CPSW_STAT(m) CPSW_STATS, \ - sizeof(((struct cpsw_hw_stats *)0)->m), \ - offsetof(struct cpsw_hw_stats, m) -#define CPDMA_RX_STAT(m) CPDMA_RX_STATS, \ - sizeof(((struct cpdma_chan_stats *)0)->m), \ - offsetof(struct cpdma_chan_stats, m) -#define CPDMA_TX_STAT(m) CPDMA_TX_STATS, \ - sizeof(((struct cpdma_chan_stats *)0)->m), \ - offsetof(struct cpdma_chan_stats, m) - -static const struct cpsw_stats cpsw_gstrings_stats[] = { - { "Good Rx Frames", CPSW_STAT(rxgoodframes) }, - { "Broadcast Rx Frames", CPSW_STAT(rxbroadcastframes) }, - { "Multicast Rx Frames", CPSW_STAT(rxmulticastframes) }, - { "Pause Rx Frames", CPSW_STAT(rxpauseframes) }, - { "Rx CRC Errors", CPSW_STAT(rxcrcerrors) }, - { "Rx Align/Code Errors", CPSW_STAT(rxaligncodeerrors) }, - { "Oversize Rx Frames", CPSW_STAT(rxoversizedframes) }, - { "Rx Jabbers", CPSW_STAT(rxjabberframes) }, - { "Undersize (Short) Rx Frames", CPSW_STAT(rxundersizedframes) }, - { "Rx Fragments", CPSW_STAT(rxfragments) }, - { "Rx Octets", CPSW_STAT(rxoctets) }, - { "Good Tx Frames", CPSW_STAT(txgoodframes) }, - { "Broadcast Tx Frames", CPSW_STAT(txbroadcastframes) }, - { "Multicast Tx Frames", CPSW_STAT(txmulticastframes) }, - { "Pause Tx Frames", CPSW_STAT(txpauseframes) }, - { "Deferred Tx Frames", CPSW_STAT(txdeferredframes) }, - { "Collisions", CPSW_STAT(txcollisionframes) }, - { "Single Collision Tx Frames", CPSW_STAT(txsinglecollframes) }, - { "Multiple Collision Tx Frames", CPSW_STAT(txmultcollframes) }, - { "Excessive Collisions", CPSW_STAT(txexcessivecollisions) }, - { "Late Collisions", CPSW_STAT(txlatecollisions) }, - { "Tx Underrun", CPSW_STAT(txunderrun) }, - { "Carrier Sense Errors", CPSW_STAT(txcarriersenseerrors) }, - { "Tx Octets", CPSW_STAT(txoctets) }, - { "Rx + Tx 64 Octet Frames", CPSW_STAT(octetframes64) }, - { "Rx + Tx 65-127 Octet Frames", CPSW_STAT(octetframes65t127) }, - { "Rx + Tx 128-255 Octet Frames", CPSW_STAT(octetframes128t255) }, - { "Rx + Tx 256-511 Octet Frames", CPSW_STAT(octetframes256t511) }, - { "Rx + Tx 512-1023 Octet Frames", CPSW_STAT(octetframes512t1023) }, - { "Rx + Tx 1024-Up Octet Frames", CPSW_STAT(octetframes1024tup) }, - { "Net Octets", CPSW_STAT(netoctets) }, - { "Rx Start of Frame Overruns", CPSW_STAT(rxsofoverruns) }, - { "Rx Middle of Frame Overruns", CPSW_STAT(rxmofoverruns) }, - { "Rx DMA Overruns", CPSW_STAT(rxdmaoverruns) }, -}; - -static const struct cpsw_stats cpsw_gstrings_ch_stats[] = { - { "head_enqueue", CPDMA_RX_STAT(head_enqueue) }, - { "tail_enqueue", CPDMA_RX_STAT(tail_enqueue) }, - { "pad_enqueue", CPDMA_RX_STAT(pad_enqueue) }, - { "misqueued", CPDMA_RX_STAT(misqueued) }, - { "desc_alloc_fail", CPDMA_RX_STAT(desc_alloc_fail) }, - { "pad_alloc_fail", CPDMA_RX_STAT(pad_alloc_fail) }, - { "runt_receive_buf", CPDMA_RX_STAT(runt_receive_buff) }, - { "runt_transmit_buf", CPDMA_RX_STAT(runt_transmit_buff) }, - { "empty_dequeue", CPDMA_RX_STAT(empty_dequeue) }, - { "busy_dequeue", CPDMA_RX_STAT(busy_dequeue) }, - { "good_dequeue", CPDMA_RX_STAT(good_dequeue) }, - { "requeue", CPDMA_RX_STAT(requeue) }, - { "teardown_dequeue", CPDMA_RX_STAT(teardown_dequeue) }, -}; - -#define CPSW_STATS_COMMON_LEN ARRAY_SIZE(cpsw_gstrings_stats) -#define CPSW_STATS_CH_LEN ARRAY_SIZE(cpsw_gstrings_ch_stats) - -#define ndev_to_cpsw(ndev) (((struct cpsw_priv *)netdev_priv(ndev))->cpsw) -#define napi_to_cpsw(napi) container_of(napi, struct cpsw_common, napi) #define for_each_slave(priv, func, arg...) \ do { \ struct cpsw_slave *slave; \ @@ -512,40 +77,20 @@ static const struct cpsw_stats cpsw_gstrings_ch_stats[] = { (func)(slave++, ##arg); \ } while (0) -#define cpsw_dual_emac_src_port_detect(cpsw, status, ndev, skb) \ - do { \ - if (!cpsw->data.dual_emac) \ - break; \ - if (CPDMA_RX_SOURCE_PORT(status) == 1) { \ - ndev = cpsw->slaves[0].ndev; \ - skb->dev = ndev; \ - } else if (CPDMA_RX_SOURCE_PORT(status) == 2) { \ - ndev = cpsw->slaves[1].ndev; \ - skb->dev = ndev; \ - } \ - } while (0) -#define cpsw_add_mcast(cpsw, priv, addr) \ - do { \ - if (cpsw->data.dual_emac) { \ - struct cpsw_slave *slave = cpsw->slaves + \ - priv->emac_port; \ - int slave_port = cpsw_get_slave_port( \ - slave->slave_num); \ - cpsw_ale_add_mcast(cpsw->ale, addr, \ - 1 << slave_port | ALE_PORT_HOST, \ - ALE_VLAN, slave->port_vlan, 0); \ - } else { \ - cpsw_ale_add_mcast(cpsw->ale, addr, \ - ALE_ALL_PORTS, \ - 0, 0, 0); \ - } \ - } while (0) +static int cpsw_slave_index_priv(struct cpsw_common *cpsw, + struct cpsw_priv *priv) +{ + return cpsw->data.dual_emac ? priv->emac_port : cpsw->data.active_slave; +} -static inline int cpsw_get_slave_port(u32 slave_num) +static int cpsw_get_slave_port(u32 slave_num) { return slave_num + 1; } +static int cpsw_ndo_vlan_rx_add_vid(struct net_device *ndev, + __be16 proto, u16 vid); + static void cpsw_set_promiscious(struct net_device *ndev, bool enable) { struct cpsw_common *cpsw = ndev_to_cpsw(ndev); @@ -601,6 +146,7 @@ static void cpsw_set_promiscious(struct net_device *ndev, bool enable) /* Clear all mcast from ALE */ cpsw_ale_flush_multicast(ale, ALE_ALL_PORTS, -1); + __hw_addr_ref_unsync_dev(&ndev->mc, ndev, NULL); /* Flood All Unicast Packets to Host port */ cpsw_ale_control_set(ale, 0, ALE_P0_UNI_FLOOD, 1); @@ -621,351 +167,292 @@ static void cpsw_set_promiscious(struct net_device *ndev, bool enable) } } -static void cpsw_ndo_set_rx_mode(struct net_device *ndev) +/** + * cpsw_set_mc - adds multicast entry to the table if it's not added or deletes + * if it's not deleted + * @ndev: device to sync + * @addr: address to be added or deleted + * @vid: vlan id, if vid < 0 set/unset address for real device + * @add: add address if the flag is set or remove otherwise + */ +static int cpsw_set_mc(struct net_device *ndev, const u8 *addr, + int vid, int add) { struct cpsw_priv *priv = netdev_priv(ndev); struct cpsw_common *cpsw = priv->cpsw; - int vid; - - if (cpsw->data.dual_emac) - vid = cpsw->slaves[priv->emac_port].port_vlan; - else - vid = cpsw->data.default_vlan; + int mask, flags, ret; - if (ndev->flags & IFF_PROMISC) { - /* Enable promiscuous mode */ - cpsw_set_promiscious(ndev, true); - cpsw_ale_set_allmulti(cpsw->ale, IFF_ALLMULTI); - return; - } else { - /* Disable promiscuous mode */ - cpsw_set_promiscious(ndev, false); + if (vid < 0) { + if (cpsw->data.dual_emac) + vid = cpsw->slaves[priv->emac_port].port_vlan; + else + vid = 0; } - /* Restore allmulti on vlans if necessary */ - cpsw_ale_set_allmulti(cpsw->ale, priv->ndev->flags & IFF_ALLMULTI); + mask = cpsw->data.dual_emac ? ALE_PORT_HOST : ALE_ALL_PORTS; + flags = vid ? ALE_VLAN : 0; - /* Clear all mcast from ALE */ - cpsw_ale_flush_multicast(cpsw->ale, ALE_ALL_PORTS, vid); - - if (!netdev_mc_empty(ndev)) { - struct netdev_hw_addr *ha; + if (add) + ret = cpsw_ale_add_mcast(cpsw->ale, addr, mask, flags, vid, 0); + else + ret = cpsw_ale_del_mcast(cpsw->ale, addr, 0, flags, vid); - /* program multicast address list into ALE register */ - netdev_for_each_mc_addr(ha, ndev) { - cpsw_add_mcast(cpsw, priv, (u8 *)ha->addr); - } - } + return ret; } -static void cpsw_intr_enable(struct cpsw_common *cpsw) +static int cpsw_update_vlan_mc(struct net_device *vdev, int vid, void *ctx) { - __raw_writel(0xFF, &cpsw->wr_regs->tx_en); - __raw_writel(0xFF, &cpsw->wr_regs->rx_en); + struct addr_sync_ctx *sync_ctx = ctx; + struct netdev_hw_addr *ha; + int found = 0, ret = 0; - cpdma_ctlr_int_ctrl(cpsw->dma, true); - return; -} + if (!vdev || !(vdev->flags & IFF_UP)) + return 0; -static void cpsw_intr_disable(struct cpsw_common *cpsw) -{ - __raw_writel(0, &cpsw->wr_regs->tx_en); - __raw_writel(0, &cpsw->wr_regs->rx_en); + /* vlan address is relevant if its sync_cnt != 0 */ + netdev_for_each_mc_addr(ha, vdev) { + if (ether_addr_equal(ha->addr, sync_ctx->addr)) { + found = ha->sync_cnt; + break; + } + } - cpdma_ctlr_int_ctrl(cpsw->dma, false); - return; -} + if (found) + sync_ctx->consumed++; -static void cpsw_tx_handler(void *token, int len, int status) -{ - struct netdev_queue *txq; - struct sk_buff *skb = token; - struct net_device *ndev = skb->dev; - struct cpsw_common *cpsw = ndev_to_cpsw(ndev); + if (sync_ctx->flush) { + if (!found) + cpsw_set_mc(sync_ctx->ndev, sync_ctx->addr, vid, 0); + return 0; + } - /* Check whether the queue is stopped due to stalled tx dma, if the - * queue is stopped then start the queue as we have free desc for tx - */ - txq = netdev_get_tx_queue(ndev, skb_get_queue_mapping(skb)); - if (unlikely(netif_tx_queue_stopped(txq))) - netif_tx_wake_queue(txq); + if (found) + ret = cpsw_set_mc(sync_ctx->ndev, sync_ctx->addr, vid, 1); - cpts_tx_timestamp(cpsw->cpts, skb); - ndev->stats.tx_packets++; - ndev->stats.tx_bytes += len; - dev_kfree_skb_any(skb); + return ret; } -static void cpsw_rx_handler(void *token, int len, int status) +static int cpsw_add_mc_addr(struct net_device *ndev, const u8 *addr, int num) { - struct cpdma_chan *ch; - struct sk_buff *skb = token; - struct sk_buff *new_skb; - struct net_device *ndev = skb->dev; - int ret = 0; - struct cpsw_common *cpsw = ndev_to_cpsw(ndev); - - cpsw_dual_emac_src_port_detect(cpsw, status, ndev, skb); - - if (unlikely(status < 0) || unlikely(!netif_running(ndev))) { - /* In dual emac mode check for all interfaces */ - if (cpsw->data.dual_emac && cpsw->usage_count && - (status >= 0)) { - /* The packet received is for the interface which - * is already down and the other interface is up - * and running, instead of freeing which results - * in reducing of the number of rx descriptor in - * DMA engine, requeue skb back to cpdma. - */ - new_skb = skb; - goto requeue; - } + struct addr_sync_ctx sync_ctx; + int ret; - /* the interface is going down, skbs are purged */ - dev_kfree_skb_any(skb); - return; - } + sync_ctx.consumed = 0; + sync_ctx.addr = addr; + sync_ctx.ndev = ndev; + sync_ctx.flush = 0; - new_skb = netdev_alloc_skb_ip_align(ndev, cpsw->rx_packet_max); - if (new_skb) { - skb_copy_queue_mapping(new_skb, skb); - skb_put(skb, len); - cpts_rx_timestamp(cpsw->cpts, skb); - skb->protocol = eth_type_trans(skb, ndev); - netif_receive_skb(skb); - ndev->stats.rx_bytes += len; - ndev->stats.rx_packets++; - kmemleak_not_leak(new_skb); - } else { - ndev->stats.rx_dropped++; - new_skb = skb; - } + ret = vlan_for_each(ndev, cpsw_update_vlan_mc, &sync_ctx); + if (sync_ctx.consumed < num && !ret) + ret = cpsw_set_mc(ndev, addr, -1, 1); -requeue: - if (netif_dormant(ndev)) { - dev_kfree_skb_any(new_skb); - return; - } - - ch = cpsw->rxv[skb_get_queue_mapping(new_skb)].ch; - ret = cpdma_chan_submit(ch, new_skb, new_skb->data, - skb_tailroom(new_skb), 0); - if (WARN_ON(ret < 0)) - dev_kfree_skb_any(new_skb); + return ret; } -static void cpsw_split_res(struct net_device *ndev) +static int cpsw_del_mc_addr(struct net_device *ndev, const u8 *addr, int num) { - struct cpsw_priv *priv = netdev_priv(ndev); - u32 consumed_rate = 0, bigest_rate = 0; - struct cpsw_common *cpsw = priv->cpsw; - struct cpsw_vector *txv = cpsw->txv; - int i, ch_weight, rlim_ch_num = 0; - int budget, bigest_rate_ch = 0; - u32 ch_rate, max_rate; - int ch_budget = 0; - - for (i = 0; i < cpsw->tx_ch_num; i++) { - ch_rate = cpdma_chan_get_rate(txv[i].ch); - if (!ch_rate) - continue; - - rlim_ch_num++; - consumed_rate += ch_rate; - } + struct addr_sync_ctx sync_ctx; - if (cpsw->tx_ch_num == rlim_ch_num) { - max_rate = consumed_rate; - } else if (!rlim_ch_num) { - ch_budget = CPSW_POLL_WEIGHT / cpsw->tx_ch_num; - bigest_rate = 0; - max_rate = consumed_rate; - } else { - max_rate = cpsw->speed * 1000; + sync_ctx.consumed = 0; + sync_ctx.addr = addr; + sync_ctx.ndev = ndev; + sync_ctx.flush = 1; - /* if max_rate is less then expected due to reduced link speed, - * split proportionally according next potential max speed - */ - if (max_rate < consumed_rate) - max_rate *= 10; + vlan_for_each(ndev, cpsw_update_vlan_mc, &sync_ctx); + if (sync_ctx.consumed == num) + cpsw_set_mc(ndev, addr, -1, 0); - if (max_rate < consumed_rate) - max_rate *= 10; + return 0; +} - ch_budget = (consumed_rate * CPSW_POLL_WEIGHT) / max_rate; - ch_budget = (CPSW_POLL_WEIGHT - ch_budget) / - (cpsw->tx_ch_num - rlim_ch_num); - bigest_rate = (max_rate - consumed_rate) / - (cpsw->tx_ch_num - rlim_ch_num); - } +static int cpsw_purge_vlan_mc(struct net_device *vdev, int vid, void *ctx) +{ + struct addr_sync_ctx *sync_ctx = ctx; + struct netdev_hw_addr *ha; + int found = 0; - /* split tx weight/budget */ - budget = CPSW_POLL_WEIGHT; - for (i = 0; i < cpsw->tx_ch_num; i++) { - ch_rate = cpdma_chan_get_rate(txv[i].ch); - if (ch_rate) { - txv[i].budget = (ch_rate * CPSW_POLL_WEIGHT) / max_rate; - if (!txv[i].budget) - txv[i].budget++; - if (ch_rate > bigest_rate) { - bigest_rate_ch = i; - bigest_rate = ch_rate; - } + if (!vdev || !(vdev->flags & IFF_UP)) + return 0; - ch_weight = (ch_rate * 100) / max_rate; - if (!ch_weight) - ch_weight++; - cpdma_chan_set_weight(cpsw->txv[i].ch, ch_weight); - } else { - txv[i].budget = ch_budget; - if (!bigest_rate_ch) - bigest_rate_ch = i; - cpdma_chan_set_weight(cpsw->txv[i].ch, 0); + /* vlan address is relevant if its sync_cnt != 0 */ + netdev_for_each_mc_addr(ha, vdev) { + if (ether_addr_equal(ha->addr, sync_ctx->addr)) { + found = ha->sync_cnt; + break; } - - budget -= txv[i].budget; } - if (budget) - txv[bigest_rate_ch].budget += budget; - - /* split rx budget */ - budget = CPSW_POLL_WEIGHT; - ch_budget = budget / cpsw->rx_ch_num; - for (i = 0; i < cpsw->rx_ch_num; i++) { - cpsw->rxv[i].budget = ch_budget; - budget -= ch_budget; - } + if (!found) + return 0; - if (budget) - cpsw->rxv[0].budget += budget; + sync_ctx->consumed++; + cpsw_set_mc(sync_ctx->ndev, sync_ctx->addr, vid, 0); + return 0; } -static irqreturn_t cpsw_tx_interrupt(int irq, void *dev_id) +static int cpsw_purge_all_mc(struct net_device *ndev, const u8 *addr, int num) { - struct cpsw_common *cpsw = dev_id; + struct addr_sync_ctx sync_ctx; - writel(0, &cpsw->wr_regs->tx_en); - cpdma_ctlr_eoi(cpsw->dma, CPDMA_EOI_TX); + sync_ctx.addr = addr; + sync_ctx.ndev = ndev; + sync_ctx.consumed = 0; - if (cpsw->quirk_irq) { - disable_irq_nosync(cpsw->irqs_table[1]); - cpsw->tx_irq_disabled = true; - } + vlan_for_each(ndev, cpsw_purge_vlan_mc, &sync_ctx); + if (sync_ctx.consumed < num) + cpsw_set_mc(ndev, addr, -1, 0); - napi_schedule(&cpsw->napi_tx); - return IRQ_HANDLED; + return 0; } -static irqreturn_t cpsw_rx_interrupt(int irq, void *dev_id) +static void cpsw_ndo_set_rx_mode(struct net_device *ndev) { - struct cpsw_common *cpsw = dev_id; + struct cpsw_priv *priv = netdev_priv(ndev); + struct cpsw_common *cpsw = priv->cpsw; + int slave_port = -1; - cpdma_ctlr_eoi(cpsw->dma, CPDMA_EOI_RX); - writel(0, &cpsw->wr_regs->rx_en); + if (cpsw->data.dual_emac) + slave_port = priv->emac_port + 1; - if (cpsw->quirk_irq) { - disable_irq_nosync(cpsw->irqs_table[0]); - cpsw->rx_irq_disabled = true; + if (ndev->flags & IFF_PROMISC) { + /* Enable promiscuous mode */ + cpsw_set_promiscious(ndev, true); + cpsw_ale_set_allmulti(cpsw->ale, IFF_ALLMULTI, slave_port); + return; + } else { + /* Disable promiscuous mode */ + cpsw_set_promiscious(ndev, false); } - napi_schedule(&cpsw->napi_rx); - return IRQ_HANDLED; + /* Restore allmulti on vlans if necessary */ + cpsw_ale_set_allmulti(cpsw->ale, + ndev->flags & IFF_ALLMULTI, slave_port); + + /* add/remove mcast address either for real netdev or for vlan */ + __hw_addr_ref_sync_dev(&ndev->mc, ndev, cpsw_add_mc_addr, + cpsw_del_mc_addr); } -static int cpsw_tx_poll(struct napi_struct *napi_tx, int budget) +static unsigned int cpsw_rxbuf_total_len(unsigned int len) { - u32 ch_map; - int num_tx, cur_budget, ch; - struct cpsw_common *cpsw = napi_to_cpsw(napi_tx); - struct cpsw_vector *txv; - - /* process every unprocessed channel */ - ch_map = cpdma_ctrl_txchs_state(cpsw->dma); - for (ch = 0, num_tx = 0; ch_map; ch_map >>= 1, ch++) { - if (!(ch_map & 0x01)) - continue; + len += CPSW_HEADROOM_NA; + len += SKB_DATA_ALIGN(sizeof(struct skb_shared_info)); - txv = &cpsw->txv[ch]; - if (unlikely(txv->budget > budget - num_tx)) - cur_budget = budget - num_tx; - else - cur_budget = txv->budget; + return SKB_DATA_ALIGN(len); +} - num_tx += cpdma_chan_process(txv->ch, cur_budget); - if (num_tx >= budget) - break; +static void cpsw_rx_handler(void *token, int len, int status) +{ + struct page *new_page, *page = token; + void *pa = page_address(page); + struct cpsw_meta_xdp *xmeta = pa + CPSW_XMETA_OFFSET; + struct cpsw_common *cpsw = ndev_to_cpsw(xmeta->ndev); + int pkt_size = cpsw->rx_packet_max; + int ret = 0, port, ch = xmeta->ch; + int headroom = CPSW_HEADROOM_NA; + struct net_device *ndev = xmeta->ndev; + u32 metasize = 0; + struct cpsw_priv *priv; + struct page_pool *pool; + struct sk_buff *skb; + struct xdp_buff xdp; + dma_addr_t dma; + + if (cpsw->data.dual_emac && status >= 0) { + port = CPDMA_RX_SOURCE_PORT(status); + if (port) + ndev = cpsw->slaves[--port].ndev; } - if (num_tx < budget) { - napi_complete(napi_tx); - writel(0xff, &cpsw->wr_regs->tx_en); - if (cpsw->quirk_irq && cpsw->tx_irq_disabled) { - cpsw->tx_irq_disabled = false; - enable_irq(cpsw->irqs_table[1]); + priv = netdev_priv(ndev); + pool = cpsw->page_pool[ch]; + if (unlikely(status < 0) || unlikely(!netif_running(ndev))) { + /* In dual emac mode check for all interfaces */ + if (cpsw->data.dual_emac && cpsw->usage_count && + (status >= 0)) { + /* The packet received is for the interface which + * is already down and the other interface is up + * and running, instead of freeing which results + * in reducing of the number of rx descriptor in + * DMA engine, requeue page back to cpdma. + */ + new_page = page; + goto requeue; } + + /* the interface is going down, pages are purged */ + page_pool_recycle_direct(pool, page); + return; } - return num_tx; -} + new_page = page_pool_dev_alloc_pages(pool); + if (unlikely(!new_page)) { + new_page = page; + ndev->stats.rx_dropped++; + goto requeue; + } -static int cpsw_rx_poll(struct napi_struct *napi_rx, int budget) -{ - u32 ch_map; - int num_rx, cur_budget, ch; - struct cpsw_common *cpsw = napi_to_cpsw(napi_rx); - struct cpsw_vector *rxv; - - /* process every unprocessed channel */ - ch_map = cpdma_ctrl_rxchs_state(cpsw->dma); - for (ch = 0, num_rx = 0; ch_map; ch_map >>= 1, ch++) { - if (!(ch_map & 0x01)) - continue; + if (priv->xdp_prog) { + int size = len; - rxv = &cpsw->rxv[ch]; - if (unlikely(rxv->budget > budget - num_rx)) - cur_budget = budget - num_rx; - else - cur_budget = rxv->budget; + xdp_init_buff(&xdp, PAGE_SIZE, &priv->xdp_rxq[ch]); + if (status & CPDMA_RX_VLAN_ENCAP) { + headroom += CPSW_RX_VLAN_ENCAP_HDR_SIZE; + size -= CPSW_RX_VLAN_ENCAP_HDR_SIZE; + } - num_rx += cpdma_chan_process(rxv->ch, cur_budget); - if (num_rx >= budget) - break; - } + xdp_prepare_buff(&xdp, pa, headroom, size, true); - if (num_rx < budget) { - napi_complete_done(napi_rx, num_rx); - writel(0xff, &cpsw->wr_regs->rx_en); - if (cpsw->quirk_irq && cpsw->rx_irq_disabled) { - cpsw->rx_irq_disabled = false; - enable_irq(cpsw->irqs_table[0]); - } - } + port = priv->emac_port + cpsw->data.dual_emac; + ret = cpsw_run_xdp(priv, ch, &xdp, page, port, &len); + if (ret != CPSW_XDP_PASS) + goto requeue; - return num_rx; -} + headroom = xdp.data - xdp.data_hard_start; + metasize = xdp.data - xdp.data_meta; -static inline void soft_reset(const char *module, void __iomem *reg) -{ - unsigned long timeout = jiffies + HZ; + /* XDP prog can modify vlan tag, so can't use encap header */ + status &= ~CPDMA_RX_VLAN_ENCAP; + } - __raw_writel(1, reg); - do { - cpu_relax(); - } while ((__raw_readl(reg) & 1) && time_after(timeout, jiffies)); + /* pass skb to netstack if no XDP prog or returned XDP_PASS */ + skb = build_skb(pa, cpsw_rxbuf_total_len(pkt_size)); + if (!skb) { + ndev->stats.rx_dropped++; + page_pool_recycle_direct(pool, page); + goto requeue; + } + + skb_reserve(skb, headroom); + skb_put(skb, len); + if (metasize) + skb_metadata_set(skb, metasize); + skb->dev = ndev; + if (status & CPDMA_RX_VLAN_ENCAP) + cpsw_rx_vlan_encap(skb); + if (priv->rx_ts_enabled) + cpts_rx_timestamp(cpsw->cpts, skb); + skb->protocol = eth_type_trans(skb, ndev); - WARN(__raw_readl(reg) & 1, "failed to soft-reset %s\n", module); -} + /* mark skb for recycling */ + skb_mark_for_recycle(skb); + netif_receive_skb(skb); -#define mac_hi(mac) (((mac)[0] << 0) | ((mac)[1] << 8) | \ - ((mac)[2] << 16) | ((mac)[3] << 24)) -#define mac_lo(mac) (((mac)[4] << 0) | ((mac)[5] << 8)) + ndev->stats.rx_bytes += len; + ndev->stats.rx_packets++; -static void cpsw_set_slave_mac(struct cpsw_slave *slave, - struct cpsw_priv *priv) -{ - slave_write(slave, mac_hi(priv->mac_addr), SA_HI); - slave_write(slave, mac_lo(priv->mac_addr), SA_LO); +requeue: + xmeta = page_address(new_page) + CPSW_XMETA_OFFSET; + xmeta->ndev = ndev; + xmeta->ch = ch; + + dma = page_pool_get_dma_addr(new_page) + CPSW_HEADROOM_NA; + ret = cpdma_chan_submit_mapped(cpsw->rxv[ch].ch, new_page, dma, + pkt_size, 0); + if (ret < 0) { + WARN_ON(ret == -ENOMEM); + page_pool_recycle_direct(pool, new_page); + } } static void _cpsw_adjust_link(struct cpsw_slave *slave, @@ -982,81 +469,55 @@ static void _cpsw_adjust_link(struct cpsw_slave *slave, slave_port = cpsw_get_slave_port(slave->slave_num); if (phy->link) { - mac_control = cpsw->data.mac_control; - - /* enable forwarding */ - cpsw_ale_control_set(cpsw->ale, slave_port, - ALE_PORT_STATE, ALE_PORT_STATE_FORWARD); + mac_control = CPSW_SL_CTL_GMII_EN; if (phy->speed == 1000) - mac_control |= BIT(7); /* GIGABITEN */ + mac_control |= CPSW_SL_CTL_GIG; if (phy->duplex) - mac_control |= BIT(0); /* FULLDUPLEXEN */ + mac_control |= CPSW_SL_CTL_FULLDUPLEX; /* set speed_in input in case RMII mode is used in 100Mbps */ if (phy->speed == 100) - mac_control |= BIT(15); - else if (phy->speed == 10) - mac_control |= BIT(18); /* In Band mode */ + mac_control |= CPSW_SL_CTL_IFCTL_A; + /* in band mode only works in 10Mbps RGMII mode */ + else if ((phy->speed == 10) && phy_interface_is_rgmii(phy)) + mac_control |= CPSW_SL_CTL_EXT_EN; /* In Band mode */ if (priv->rx_pause) - mac_control |= BIT(3); + mac_control |= CPSW_SL_CTL_RX_FLOW_EN; if (priv->tx_pause) - mac_control |= BIT(4); + mac_control |= CPSW_SL_CTL_TX_FLOW_EN; + + if (mac_control != slave->mac_control) + cpsw_sl_ctl_set(slave->mac_sl, mac_control); + + /* enable forwarding */ + cpsw_ale_control_set(cpsw->ale, slave_port, + ALE_PORT_STATE, ALE_PORT_STATE_FORWARD); *link = true; + + if (priv->shp_cfg_speed && + priv->shp_cfg_speed != slave->phy->speed && + !cpsw_shp_is_off(priv)) + dev_warn(priv->dev, + "Speed was changed, CBS shaper speeds are changed!"); } else { mac_control = 0; /* disable forwarding */ cpsw_ale_control_set(cpsw->ale, slave_port, ALE_PORT_STATE, ALE_PORT_STATE_DISABLE); - } - - if (mac_control != slave->mac_control) { - phy_print_status(phy); - __raw_writel(mac_control, &slave->sliver->mac_control); - } - - slave->mac_control = mac_control; -} - -static int cpsw_get_common_speed(struct cpsw_common *cpsw) -{ - int i, speed; - - for (i = 0, speed = 0; i < cpsw->data.slaves; i++) - if (cpsw->slaves[i].phy && cpsw->slaves[i].phy->link) - speed += cpsw->slaves[i].phy->speed; - return speed; -} - -static int cpsw_need_resplit(struct cpsw_common *cpsw) -{ - int i, rlim_ch_num; - int speed, ch_rate; + cpsw_sl_wait_for_idle(slave->mac_sl, 100); - /* re-split resources only in case speed was changed */ - speed = cpsw_get_common_speed(cpsw); - if (speed == cpsw->speed || !speed) - return 0; - - cpsw->speed = speed; - - for (i = 0, rlim_ch_num = 0; i < cpsw->tx_ch_num; i++) { - ch_rate = cpdma_chan_get_rate(cpsw->txv[i].ch); - if (!ch_rate) - break; - - rlim_ch_num++; + cpsw_sl_ctl_reset(slave->mac_sl); } - /* cases not dependent on speed */ - if (!rlim_ch_num || rlim_ch_num == cpsw->tx_ch_num) - return 0; + if (mac_control != slave->mac_control) + phy_print_status(phy); - return 1; + slave->mac_control = mac_control; } static void cpsw_adjust_link(struct net_device *ndev) @@ -1069,7 +530,7 @@ static void cpsw_adjust_link(struct net_device *ndev) if (link) { if (cpsw_need_resplit(cpsw)) - cpsw_split_res(ndev); + cpsw_split_res(cpsw); netif_carrier_on(ndev); if (netif_running(ndev)) @@ -1080,167 +541,6 @@ static void cpsw_adjust_link(struct net_device *ndev) } } -static int cpsw_get_coalesce(struct net_device *ndev, - struct ethtool_coalesce *coal) -{ - struct cpsw_common *cpsw = ndev_to_cpsw(ndev); - - coal->rx_coalesce_usecs = cpsw->coal_intvl; - return 0; -} - -static int cpsw_set_coalesce(struct net_device *ndev, - struct ethtool_coalesce *coal) -{ - struct cpsw_priv *priv = netdev_priv(ndev); - u32 int_ctrl; - u32 num_interrupts = 0; - u32 prescale = 0; - u32 addnl_dvdr = 1; - u32 coal_intvl = 0; - struct cpsw_common *cpsw = priv->cpsw; - - coal_intvl = coal->rx_coalesce_usecs; - - int_ctrl = readl(&cpsw->wr_regs->int_control); - prescale = cpsw->bus_freq_mhz * 4; - - if (!coal->rx_coalesce_usecs) { - int_ctrl &= ~(CPSW_INTPRESCALE_MASK | CPSW_INTPACEEN); - goto update_return; - } - - if (coal_intvl < CPSW_CMINTMIN_INTVL) - coal_intvl = CPSW_CMINTMIN_INTVL; - - if (coal_intvl > CPSW_CMINTMAX_INTVL) { - /* Interrupt pacer works with 4us Pulse, we can - * throttle further by dilating the 4us pulse. - */ - addnl_dvdr = CPSW_INTPRESCALE_MASK / prescale; - - if (addnl_dvdr > 1) { - prescale *= addnl_dvdr; - if (coal_intvl > (CPSW_CMINTMAX_INTVL * addnl_dvdr)) - coal_intvl = (CPSW_CMINTMAX_INTVL - * addnl_dvdr); - } else { - addnl_dvdr = 1; - coal_intvl = CPSW_CMINTMAX_INTVL; - } - } - - num_interrupts = (1000 * addnl_dvdr) / coal_intvl; - writel(num_interrupts, &cpsw->wr_regs->rx_imax); - writel(num_interrupts, &cpsw->wr_regs->tx_imax); - - int_ctrl |= CPSW_INTPACEEN; - int_ctrl &= (~CPSW_INTPRESCALE_MASK); - int_ctrl |= (prescale & CPSW_INTPRESCALE_MASK); - -update_return: - writel(int_ctrl, &cpsw->wr_regs->int_control); - - cpsw_notice(priv, timer, "Set coalesce to %d usecs.\n", coal_intvl); - cpsw->coal_intvl = coal_intvl; - - return 0; -} - -static int cpsw_get_sset_count(struct net_device *ndev, int sset) -{ - struct cpsw_common *cpsw = ndev_to_cpsw(ndev); - - switch (sset) { - case ETH_SS_STATS: - return (CPSW_STATS_COMMON_LEN + - (cpsw->rx_ch_num + cpsw->tx_ch_num) * - CPSW_STATS_CH_LEN); - default: - return -EOPNOTSUPP; - } -} - -static void cpsw_add_ch_strings(u8 **p, int ch_num, int rx_dir) -{ - int ch_stats_len; - int line; - int i; - - ch_stats_len = CPSW_STATS_CH_LEN * ch_num; - for (i = 0; i < ch_stats_len; i++) { - line = i % CPSW_STATS_CH_LEN; - snprintf(*p, ETH_GSTRING_LEN, - "%s DMA chan %d: %s", rx_dir ? "Rx" : "Tx", - i / CPSW_STATS_CH_LEN, - cpsw_gstrings_ch_stats[line].stat_string); - *p += ETH_GSTRING_LEN; - } -} - -static void cpsw_get_strings(struct net_device *ndev, u32 stringset, u8 *data) -{ - struct cpsw_common *cpsw = ndev_to_cpsw(ndev); - u8 *p = data; - int i; - - switch (stringset) { - case ETH_SS_STATS: - for (i = 0; i < CPSW_STATS_COMMON_LEN; i++) { - memcpy(p, cpsw_gstrings_stats[i].stat_string, - ETH_GSTRING_LEN); - p += ETH_GSTRING_LEN; - } - - cpsw_add_ch_strings(&p, cpsw->rx_ch_num, 1); - cpsw_add_ch_strings(&p, cpsw->tx_ch_num, 0); - break; - } -} - -static void cpsw_get_ethtool_stats(struct net_device *ndev, - struct ethtool_stats *stats, u64 *data) -{ - u8 *p; - struct cpsw_common *cpsw = ndev_to_cpsw(ndev); - struct cpdma_chan_stats ch_stats; - int i, l, ch; - - /* Collect Davinci CPDMA stats for Rx and Tx Channel */ - for (l = 0; l < CPSW_STATS_COMMON_LEN; l++) - data[l] = readl(cpsw->hw_stats + - cpsw_gstrings_stats[l].stat_offset); - - for (ch = 0; ch < cpsw->rx_ch_num; ch++) { - cpdma_chan_get_stats(cpsw->rxv[ch].ch, &ch_stats); - for (i = 0; i < CPSW_STATS_CH_LEN; i++, l++) { - p = (u8 *)&ch_stats + - cpsw_gstrings_ch_stats[i].stat_offset; - data[l] = *(u32 *)p; - } - } - - for (ch = 0; ch < cpsw->tx_ch_num; ch++) { - cpdma_chan_get_stats(cpsw->txv[ch].ch, &ch_stats); - for (i = 0; i < CPSW_STATS_CH_LEN; i++, l++) { - p = (u8 *)&ch_stats + - cpsw_gstrings_ch_stats[i].stat_offset; - data[l] = *(u32 *)p; - } - } -} - -static inline int cpsw_tx_packet_submit(struct cpsw_priv *priv, - struct sk_buff *skb, - struct cpdma_chan *txch) -{ - struct cpsw_common *cpsw = priv->cpsw; - - skb_tx_timestamp(skb); - return cpdma_chan_submit(txch, skb, skb->data, skb->len, - priv->emac_port + cpsw->data.dual_emac); -} - static inline void cpsw_add_dual_emac_def_ale_entries( struct cpsw_priv *priv, struct cpsw_slave *slave, u32 slave_port) @@ -1255,18 +555,12 @@ static inline void cpsw_add_dual_emac_def_ale_entries( cpsw_ale_add_vlan(cpsw->ale, slave->port_vlan, port_mask, port_mask, port_mask, 0); cpsw_ale_add_mcast(cpsw->ale, priv->ndev->broadcast, - port_mask, ALE_VLAN, slave->port_vlan, 0); + ALE_PORT_HOST, ALE_VLAN, slave->port_vlan, 0); cpsw_ale_add_ucast(cpsw->ale, priv->mac_addr, HOST_PORT_NUM, ALE_VLAN | ALE_SECURE, slave->port_vlan); -} - -static void soft_reset_slave(struct cpsw_slave *slave) -{ - char name[32]; - - snprintf(name, sizeof(name), "slave-%d", slave->slave_num); - soft_reset(name, &slave->sliver->soft_reset); + cpsw_ale_control_set(cpsw->ale, slave_port, + ALE_PORT_DROP_UNKNOWN_VLAN, 1); } static void cpsw_slave_open(struct cpsw_slave *slave, struct cpsw_priv *priv) @@ -1275,10 +569,12 @@ static void cpsw_slave_open(struct cpsw_slave *slave, struct cpsw_priv *priv) struct phy_device *phy; struct cpsw_common *cpsw = priv->cpsw; - soft_reset_slave(slave); + cpsw_sl_reset(slave->mac_sl, 100); + cpsw_sl_ctl_reset(slave->mac_sl); /* setup priority mapping */ - __raw_writel(RX_PRIORITY_MAPPING, &slave->sliver->rx_pri_map); + cpsw_sl_reg_write(slave->mac_sl, CPSW_SL_RX_PRI_MAP, + RX_PRIORITY_MAPPING); switch (cpsw->version) { case CPSW_VERSION_1: @@ -1304,7 +600,8 @@ static void cpsw_slave_open(struct cpsw_slave *slave, struct cpsw_priv *priv) } /* setup max packet size, and mac address */ - __raw_writel(cpsw->rx_packet_max, &slave->sliver->rx_maxlen); + cpsw_sl_reg_write(slave->mac_sl, CPSW_SL_RX_MAXLEN, + cpsw->rx_packet_max); cpsw_set_slave_mac(slave, priv); slave->mac_control = 0; /* no link yet */ @@ -1321,8 +618,8 @@ static void cpsw_slave_open(struct cpsw_slave *slave, struct cpsw_priv *priv) phy = of_phy_connect(priv->ndev, slave->data->phy_node, &cpsw_adjust_link, 0, slave->data->phy_if); if (!phy) { - dev_err(priv->dev, "phy \"%s\" not found on slave %d\n", - slave->data->phy_node->full_name, + dev_err(priv->dev, "phy \"%pOF\" not found on slave %d\n", + slave->data->phy_node, slave->slave_num); return; } @@ -1338,14 +635,23 @@ static void cpsw_slave_open(struct cpsw_slave *slave, struct cpsw_priv *priv) } } + phy->mac_managed_pm = true; + slave->phy = phy; + phy_disable_eee(slave->phy); + phy_attached_info(slave->phy); phy_start(slave->phy); /* Configure GMII_SEL register */ - cpsw_phy_sel(cpsw->dev, slave->phy->interface, slave->slave_num); + if (!IS_ERR(slave->data->ifphy)) + phy_set_mode_ext(slave->data->ifphy, PHY_MODE_ETHERNET, + slave->data->phy_if); + else + cpsw_phy_sel(cpsw->dev, slave->phy->interface, + slave->slave_num); } static inline void cpsw_add_default_vlan(struct cpsw_priv *priv) @@ -1384,20 +690,20 @@ static void cpsw_init_host_port(struct cpsw_priv *priv) soft_reset("cpsw", &cpsw->regs->soft_reset); cpsw_ale_start(cpsw->ale); - /* switch to vlan unaware mode */ + /* switch to vlan aware mode */ cpsw_ale_control_set(cpsw->ale, HOST_PORT_NUM, ALE_VLAN_AWARE, CPSW_ALE_VLAN_AWARE); control_reg = readl(&cpsw->regs->control); - control_reg |= CPSW_VLAN_AWARE; + control_reg |= CPSW_VLAN_AWARE | CPSW_RX_VLAN_ENCAP; writel(control_reg, &cpsw->regs->control); fifo_mode = (cpsw->data.dual_emac) ? CPSW_FIFO_DUAL_MAC_MODE : CPSW_FIFO_NORMAL_MODE; writel(fifo_mode, &cpsw->host_port_regs->tx_in_ctl); /* setup host port priority mapping */ - __raw_writel(CPDMA_TX_PRIORITY_MAP, - &cpsw->host_port_regs->cpdma_tx_pri_map); - __raw_writel(0, &cpsw->host_port_regs->cpdma_rx_chan_map); + writel_relaxed(CPDMA_TX_PRIORITY_MAP, + &cpsw->host_port_regs->cpdma_tx_pri_map); + writel_relaxed(0, &cpsw->host_port_regs->cpdma_rx_chan_map); cpsw_ale_control_set(cpsw->ale, HOST_PORT_NUM, ALE_PORT_STATE, ALE_PORT_STATE_FORWARD); @@ -1410,45 +716,6 @@ static void cpsw_init_host_port(struct cpsw_priv *priv) } } -static int cpsw_fill_rx_channels(struct cpsw_priv *priv) -{ - struct cpsw_common *cpsw = priv->cpsw; - struct sk_buff *skb; - int ch_buf_num; - int ch, i, ret; - - for (ch = 0; ch < cpsw->rx_ch_num; ch++) { - ch_buf_num = cpdma_chan_get_rx_buf_num(cpsw->rxv[ch].ch); - for (i = 0; i < ch_buf_num; i++) { - skb = __netdev_alloc_skb_ip_align(priv->ndev, - cpsw->rx_packet_max, - GFP_KERNEL); - if (!skb) { - cpsw_err(priv, ifup, "cannot allocate skb\n"); - return -ENOMEM; - } - - skb_set_queue_mapping(skb, ch); - ret = cpdma_chan_submit(cpsw->rxv[ch].ch, skb, - skb->data, skb_tailroom(skb), - 0); - if (ret < 0) { - cpsw_err(priv, ifup, - "cannot submit skb to channel %d rx, error %d\n", - ch, ret); - kfree_skb(skb); - return ret; - } - kmemleak_not_leak(skb); - } - - cpsw_info(priv, ifup, "ch %d rx, submitted %d descriptors\n", - ch, ch_buf_num); - } - - return 0; -} - static void cpsw_slave_stop(struct cpsw_slave *slave, struct cpsw_common *cpsw) { u32 slave_port; @@ -1462,7 +729,32 @@ static void cpsw_slave_stop(struct cpsw_slave *slave, struct cpsw_common *cpsw) slave->phy = NULL; cpsw_ale_control_set(cpsw->ale, slave_port, ALE_PORT_STATE, ALE_PORT_STATE_DISABLE); - soft_reset_slave(slave); + cpsw_sl_reset(slave->mac_sl, 100); + cpsw_sl_ctl_reset(slave->mac_sl); +} + +static int cpsw_restore_vlans(struct net_device *vdev, int vid, void *arg) +{ + struct cpsw_priv *priv = arg; + + if (!vdev) + return 0; + + cpsw_ndo_vlan_rx_add_vid(priv->ndev, 0, vid); + return 0; +} + +/* restore resources after port reset */ +static void cpsw_restore(struct cpsw_priv *priv) +{ + /* restore vlan configurations */ + vlan_for_each(priv->ndev, cpsw_restore_vlans, priv); + + /* restore MQPRIO offload */ + for_each_slave(priv, cpsw_mqprio_resume, priv); + + /* restore CBS offload */ + for_each_slave(priv, cpsw_cbs_resume, priv); } static int cpsw_ndo_open(struct net_device *ndev) @@ -1472,11 +764,9 @@ static int cpsw_ndo_open(struct net_device *ndev) int ret; u32 reg; - ret = pm_runtime_get_sync(cpsw->dev); - if (ret < 0) { - pm_runtime_put_noidle(cpsw->dev); + ret = pm_runtime_resume_and_get(cpsw->dev); + if (ret < 0) return ret; - } netif_carrier_off(ndev); @@ -1514,10 +804,10 @@ static int cpsw_ndo_open(struct net_device *ndev) /* initialize shared resources for every ndev */ if (!cpsw->usage_count) { /* disable priority elevation */ - __raw_writel(0, &cpsw->regs->ptype); + writel_relaxed(0, &cpsw->regs->ptype); /* enable statistics collection only on all ports */ - __raw_writel(0x7, &cpsw->regs->stat_port_en); + writel_relaxed(0x7, &cpsw->regs->stat_port_en); /* Enable internal fifo flow control */ writel(0x7, &cpsw->regs->flow_control); @@ -1535,21 +825,33 @@ static int cpsw_ndo_open(struct net_device *ndev) enable_irq(cpsw->irqs_table[0]); } - ret = cpsw_fill_rx_channels(priv); + /* create rxqs for both infs in dual mac as they use same pool + * and must be destroyed together when no users. + */ + ret = cpsw_create_xdp_rxqs(cpsw); if (ret < 0) goto err_cleanup; - if (cpts_register(cpsw->cpts)) - dev_err(priv->dev, "error registering cpts device\n"); + ret = cpsw_fill_rx_channels(priv); + if (ret < 0) + goto err_cleanup; + if (cpsw->cpts) { + if (cpts_register(cpsw->cpts)) + dev_err(priv->dev, "error registering cpts device\n"); + else + writel(0x10, &cpsw->wr_regs->misc_en); + } } + cpsw_restore(priv); + /* Enable Interrupt pacing if configured */ if (cpsw->coal_intvl != 0) { struct ethtool_coalesce coal; coal.rx_coalesce_usecs = cpsw->coal_intvl; - cpsw_set_coalesce(ndev, &coal); + cpsw_set_coalesce(ndev, &coal, NULL, NULL); } cpdma_ctlr_start(cpsw->dma); @@ -1559,7 +861,13 @@ static int cpsw_ndo_open(struct net_device *ndev) return 0; err_cleanup: - cpdma_ctlr_stop(cpsw->dma); + if (!cpsw->usage_count) { + napi_disable(&cpsw->napi_rx); + napi_disable(&cpsw->napi_tx); + cpdma_ctlr_stop(cpsw->dma); + cpsw_destroy_xdp_rxqs(cpsw); + } + for_each_slave(priv, cpsw_slave_stop, cpsw); pm_runtime_put_sync(cpsw->dev); netif_carrier_off(priv->ndev); @@ -1572,6 +880,7 @@ static int cpsw_ndo_stop(struct net_device *ndev) struct cpsw_common *cpsw = priv->cpsw; cpsw_info(priv, ifdown, "shutting down cpsw device\n"); + __hw_addr_ref_unsync_dev(&ndev->mc, ndev, cpsw_purge_all_mc); netif_tx_stop_all_queues(priv->ndev); netif_carrier_off(priv->ndev); @@ -1582,11 +891,12 @@ static int cpsw_ndo_stop(struct net_device *ndev) cpsw_intr_disable(cpsw); cpdma_ctlr_stop(cpsw->dma); cpsw_ale_stop(cpsw->ale); + cpsw_destroy_xdp_rxqs(cpsw); } for_each_slave(priv, cpsw_slave_stop, cpsw); if (cpsw_need_resplit(cpsw)) - cpsw_split_res(ndev); + cpsw_split_res(cpsw); cpsw->usage_count--; pm_runtime_put_sync(cpsw->dev); @@ -1603,14 +913,14 @@ static netdev_tx_t cpsw_ndo_start_xmit(struct sk_buff *skb, struct cpdma_chan *txch; int ret, q_idx; - if (skb_padto(skb, CPSW_MIN_PACKET_SIZE)) { + if (skb_put_padto(skb, CPSW_MIN_PACKET_SIZE)) { cpsw_err(priv, tx_err, "packet pad failed\n"); ndev->stats.tx_dropped++; return NET_XMIT_DROP; } if (skb_shinfo(skb)->tx_flags & SKBTX_HW_TSTAMP && - cpts_is_tx_enabled(cpts) && cpts_can_timestamp(cpts, skb)) + priv->tx_ts_enabled && cpts_can_timestamp(cpts, skb)) skb_shinfo(skb)->tx_flags |= SKBTX_IN_PROGRESS; q_idx = skb_get_queue_mapping(skb); @@ -1618,7 +928,10 @@ static netdev_tx_t cpsw_ndo_start_xmit(struct sk_buff *skb, q_idx = q_idx % cpsw->tx_ch_num; txch = cpsw->txv[q_idx].ch; - ret = cpsw_tx_packet_submit(priv, skb, txch); + txq = netdev_get_tx_queue(ndev, q_idx); + skb_tx_timestamp(skb); + ret = cpdma_chan_submit(txch, skb, skb->data, skb->len, + priv->emac_port + cpsw->data.dual_emac); if (unlikely(ret != 0)) { cpsw_err(priv, tx_err, "desc submit failed\n"); goto fail; @@ -1628,219 +941,27 @@ static netdev_tx_t cpsw_ndo_start_xmit(struct sk_buff *skb, * tell the kernel to stop sending us tx frames. */ if (unlikely(!cpdma_check_free_tx_desc(txch))) { - txq = netdev_get_tx_queue(ndev, q_idx); netif_tx_stop_queue(txq); + + /* Barrier, so that stop_queue visible to other cpus */ + smp_mb__after_atomic(); + + if (cpdma_check_free_tx_desc(txch)) + netif_tx_wake_queue(txq); } return NETDEV_TX_OK; fail: ndev->stats.tx_dropped++; - txq = netdev_get_tx_queue(ndev, skb_get_queue_mapping(skb)); netif_tx_stop_queue(txq); - return NETDEV_TX_BUSY; -} - -#if IS_ENABLED(CONFIG_TI_CPTS) - -static void cpsw_hwtstamp_v1(struct cpsw_common *cpsw) -{ - struct cpsw_slave *slave = &cpsw->slaves[cpsw->data.active_slave]; - u32 ts_en, seq_id; - - if (!cpts_is_tx_enabled(cpsw->cpts) && - !cpts_is_rx_enabled(cpsw->cpts)) { - slave_write(slave, 0, CPSW1_TS_CTL); - return; - } - - seq_id = (30 << CPSW_V1_SEQ_ID_OFS_SHIFT) | ETH_P_1588; - ts_en = EVENT_MSG_BITS << CPSW_V1_MSG_TYPE_OFS; - - if (cpts_is_tx_enabled(cpsw->cpts)) - ts_en |= CPSW_V1_TS_TX_EN; - - if (cpts_is_rx_enabled(cpsw->cpts)) - ts_en |= CPSW_V1_TS_RX_EN; - - slave_write(slave, ts_en, CPSW1_TS_CTL); - slave_write(slave, seq_id, CPSW1_TS_SEQ_LTYPE); -} - -static void cpsw_hwtstamp_v2(struct cpsw_priv *priv) -{ - struct cpsw_slave *slave; - struct cpsw_common *cpsw = priv->cpsw; - u32 ctrl, mtype; - - slave = &cpsw->slaves[cpsw_slave_index(cpsw, priv)]; - - ctrl = slave_read(slave, CPSW2_CONTROL); - switch (cpsw->version) { - case CPSW_VERSION_2: - ctrl &= ~CTRL_V2_ALL_TS_MASK; - - if (cpts_is_tx_enabled(cpsw->cpts)) - ctrl |= CTRL_V2_TX_TS_BITS; - - if (cpts_is_rx_enabled(cpsw->cpts)) - ctrl |= CTRL_V2_RX_TS_BITS; - break; - case CPSW_VERSION_3: - default: - ctrl &= ~CTRL_V3_ALL_TS_MASK; - - if (cpts_is_tx_enabled(cpsw->cpts)) - ctrl |= CTRL_V3_TX_TS_BITS; - - if (cpts_is_rx_enabled(cpsw->cpts)) - ctrl |= CTRL_V3_RX_TS_BITS; - break; - } - - mtype = (30 << TS_SEQ_ID_OFFSET_SHIFT) | EVENT_MSG_BITS; - - slave_write(slave, mtype, CPSW2_TS_SEQ_MTYPE); - slave_write(slave, ctrl, CPSW2_CONTROL); - __raw_writel(ETH_P_1588, &cpsw->regs->ts_ltype); -} - -static int cpsw_hwtstamp_set(struct net_device *dev, struct ifreq *ifr) -{ - struct cpsw_priv *priv = netdev_priv(dev); - struct hwtstamp_config cfg; - struct cpsw_common *cpsw = priv->cpsw; - struct cpts *cpts = cpsw->cpts; - - if (cpsw->version != CPSW_VERSION_1 && - cpsw->version != CPSW_VERSION_2 && - cpsw->version != CPSW_VERSION_3) - return -EOPNOTSUPP; - - if (copy_from_user(&cfg, ifr->ifr_data, sizeof(cfg))) - return -EFAULT; - - /* reserved for future extensions */ - if (cfg.flags) - return -EINVAL; - - if (cfg.tx_type != HWTSTAMP_TX_OFF && cfg.tx_type != HWTSTAMP_TX_ON) - return -ERANGE; - - switch (cfg.rx_filter) { - case HWTSTAMP_FILTER_NONE: - cpts_rx_enable(cpts, 0); - break; - case HWTSTAMP_FILTER_ALL: - case HWTSTAMP_FILTER_NTP_ALL: - return -ERANGE; - case HWTSTAMP_FILTER_PTP_V1_L4_EVENT: - case HWTSTAMP_FILTER_PTP_V1_L4_SYNC: - case HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ: - cpts_rx_enable(cpts, HWTSTAMP_FILTER_PTP_V1_L4_EVENT); - cfg.rx_filter = HWTSTAMP_FILTER_PTP_V1_L4_EVENT; - break; - case HWTSTAMP_FILTER_PTP_V2_L4_EVENT: - case HWTSTAMP_FILTER_PTP_V2_L4_SYNC: - case HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ: - case HWTSTAMP_FILTER_PTP_V2_L2_EVENT: - case HWTSTAMP_FILTER_PTP_V2_L2_SYNC: - case HWTSTAMP_FILTER_PTP_V2_L2_DELAY_REQ: - case HWTSTAMP_FILTER_PTP_V2_EVENT: - case HWTSTAMP_FILTER_PTP_V2_SYNC: - case HWTSTAMP_FILTER_PTP_V2_DELAY_REQ: - cpts_rx_enable(cpts, HWTSTAMP_FILTER_PTP_V2_EVENT); - cfg.rx_filter = HWTSTAMP_FILTER_PTP_V2_EVENT; - break; - default: - return -ERANGE; - } - - cpts_tx_enable(cpts, cfg.tx_type == HWTSTAMP_TX_ON); - - switch (cpsw->version) { - case CPSW_VERSION_1: - cpsw_hwtstamp_v1(cpsw); - break; - case CPSW_VERSION_2: - case CPSW_VERSION_3: - cpsw_hwtstamp_v2(priv); - break; - default: - WARN_ON(1); - } - return copy_to_user(ifr->ifr_data, &cfg, sizeof(cfg)) ? -EFAULT : 0; -} - -static int cpsw_hwtstamp_get(struct net_device *dev, struct ifreq *ifr) -{ - struct cpsw_common *cpsw = ndev_to_cpsw(dev); - struct cpts *cpts = cpsw->cpts; - struct hwtstamp_config cfg; - - if (cpsw->version != CPSW_VERSION_1 && - cpsw->version != CPSW_VERSION_2 && - cpsw->version != CPSW_VERSION_3) - return -EOPNOTSUPP; - - cfg.flags = 0; - cfg.tx_type = cpts_is_tx_enabled(cpts) ? - HWTSTAMP_TX_ON : HWTSTAMP_TX_OFF; - cfg.rx_filter = (cpts_is_rx_enabled(cpts) ? - cpts->rx_enable : HWTSTAMP_FILTER_NONE); - - return copy_to_user(ifr->ifr_data, &cfg, sizeof(cfg)) ? -EFAULT : 0; -} -#else -static int cpsw_hwtstamp_get(struct net_device *dev, struct ifreq *ifr) -{ - return -EOPNOTSUPP; -} - -static int cpsw_hwtstamp_set(struct net_device *dev, struct ifreq *ifr) -{ - return -EOPNOTSUPP; -} -#endif /*CONFIG_TI_CPTS*/ - -static int cpsw_ndo_ioctl(struct net_device *dev, struct ifreq *req, int cmd) -{ - struct cpsw_priv *priv = netdev_priv(dev); - struct cpsw_common *cpsw = priv->cpsw; - int slave_no = cpsw_slave_index(cpsw, priv); - - if (!netif_running(dev)) - return -EINVAL; - - switch (cmd) { - case SIOCSHWTSTAMP: - return cpsw_hwtstamp_set(dev, req); - case SIOCGHWTSTAMP: - return cpsw_hwtstamp_get(dev, req); - } - - if (!cpsw->slaves[slave_no].phy) - return -EOPNOTSUPP; - return phy_mii_ioctl(cpsw->slaves[slave_no].phy, req, cmd); -} + /* Barrier, so that stop_queue visible to other cpus */ + smp_mb__after_atomic(); -static void cpsw_ndo_tx_timeout(struct net_device *ndev) -{ - struct cpsw_priv *priv = netdev_priv(ndev); - struct cpsw_common *cpsw = priv->cpsw; - int ch; - - cpsw_err(priv, tx_err, "transmit timeout, restarting dma\n"); - ndev->stats.tx_errors++; - cpsw_intr_disable(cpsw); - for (ch = 0; ch < cpsw->tx_ch_num; ch++) { - cpdma_chan_stop(cpsw->txv[ch].ch); - cpdma_chan_start(cpsw->txv[ch].ch); - } + if (cpdma_check_free_tx_desc(txch)) + netif_tx_wake_queue(txq); - cpsw_intr_enable(cpsw); - netif_trans_update(ndev); - netif_tx_wake_all_queues(ndev); + return NETDEV_TX_BUSY; } static int cpsw_ndo_set_mac_address(struct net_device *ndev, void *p) @@ -1855,11 +976,9 @@ static int cpsw_ndo_set_mac_address(struct net_device *ndev, void *p) if (!is_valid_ether_addr(addr->sa_data)) return -EADDRNOTAVAIL; - ret = pm_runtime_get_sync(cpsw->dev); - if (ret < 0) { - pm_runtime_put_noidle(cpsw->dev); + ret = pm_runtime_resume_and_get(cpsw->dev); + if (ret < 0) return ret; - } if (cpsw->data.dual_emac) { vid = cpsw->slaves[priv->emac_port].port_vlan; @@ -1872,7 +991,7 @@ static int cpsw_ndo_set_mac_address(struct net_device *ndev, void *p) flags, vid); memcpy(priv->mac_addr, addr->sa_data, ETH_ALEN); - memcpy(ndev->dev_addr, priv->mac_addr, ETH_ALEN); + eth_hw_addr_set(ndev, priv->mac_addr); for_each_slave(priv, cpsw_set_slave_mac, priv); pm_runtime_put(cpsw->dev); @@ -1880,33 +999,24 @@ static int cpsw_ndo_set_mac_address(struct net_device *ndev, void *p) return 0; } -#ifdef CONFIG_NET_POLL_CONTROLLER -static void cpsw_ndo_poll_controller(struct net_device *ndev) -{ - struct cpsw_common *cpsw = ndev_to_cpsw(ndev); - - cpsw_intr_disable(cpsw); - cpsw_rx_interrupt(cpsw->irqs_table[0], cpsw); - cpsw_tx_interrupt(cpsw->irqs_table[1], cpsw); - cpsw_intr_enable(cpsw); -} -#endif - static inline int cpsw_add_vlan_ale_entry(struct cpsw_priv *priv, unsigned short vid) { int ret; int unreg_mcast_mask = 0; + int mcast_mask; u32 port_mask; struct cpsw_common *cpsw = priv->cpsw; if (cpsw->data.dual_emac) { port_mask = (1 << (priv->emac_port + 1)) | ALE_PORT_HOST; + mcast_mask = ALE_PORT_HOST; if (priv->ndev->flags & IFF_ALLMULTI) - unreg_mcast_mask = port_mask; + unreg_mcast_mask = mcast_mask; } else { port_mask = ALE_ALL_PORTS; + mcast_mask = port_mask; if (priv->ndev->flags & IFF_ALLMULTI) unreg_mcast_mask = ALE_ALL_PORTS; @@ -1925,7 +1035,7 @@ static inline int cpsw_add_vlan_ale_entry(struct cpsw_priv *priv, goto clean_vid; ret = cpsw_ale_add_mcast(cpsw->ale, priv->ndev->broadcast, - port_mask, ALE_VLAN, vid, 0); + mcast_mask, ALE_VLAN, vid, 0); if (ret != 0) goto clean_vlan_ucast; return 0; @@ -1948,11 +1058,9 @@ static int cpsw_ndo_vlan_rx_add_vid(struct net_device *ndev, if (vid == cpsw->data.default_vlan) return 0; - ret = pm_runtime_get_sync(cpsw->dev); - if (ret < 0) { - pm_runtime_put_noidle(cpsw->dev); + ret = pm_runtime_resume_and_get(cpsw->dev); + if (ret < 0) return ret; - } if (cpsw->data.dual_emac) { /* In dual EMAC, reserved VLAN id should not be used for @@ -1962,14 +1070,16 @@ static int cpsw_ndo_vlan_rx_add_vid(struct net_device *ndev, int i; for (i = 0; i < cpsw->data.slaves; i++) { - if (vid == cpsw->slaves[i].port_vlan) - return -EINVAL; + if (vid == cpsw->slaves[i].port_vlan) { + ret = -EINVAL; + goto err; + } } } dev_info(priv->dev, "Adding vlanid %d to vlan filter\n", vid); ret = cpsw_add_vlan_ale_entry(priv, vid); - +err: pm_runtime_put(cpsw->dev); return ret; } @@ -1984,86 +1094,87 @@ static int cpsw_ndo_vlan_rx_kill_vid(struct net_device *ndev, if (vid == cpsw->data.default_vlan) return 0; - ret = pm_runtime_get_sync(cpsw->dev); - if (ret < 0) { - pm_runtime_put_noidle(cpsw->dev); + ret = pm_runtime_resume_and_get(cpsw->dev); + if (ret < 0) return ret; - } if (cpsw->data.dual_emac) { int i; for (i = 0; i < cpsw->data.slaves; i++) { if (vid == cpsw->slaves[i].port_vlan) - return -EINVAL; + goto err; } } dev_info(priv->dev, "removing vlanid %d from vlan filter\n", vid); ret = cpsw_ale_del_vlan(cpsw->ale, vid, 0); - if (ret != 0) - return ret; - - ret = cpsw_ale_del_ucast(cpsw->ale, priv->mac_addr, - HOST_PORT_NUM, ALE_VLAN, vid); - if (ret != 0) - return ret; - - ret = cpsw_ale_del_mcast(cpsw->ale, priv->ndev->broadcast, - 0, ALE_VLAN, vid); + ret |= cpsw_ale_del_ucast(cpsw->ale, priv->mac_addr, + HOST_PORT_NUM, ALE_VLAN, vid); + ret |= cpsw_ale_del_mcast(cpsw->ale, priv->ndev->broadcast, + 0, ALE_VLAN, vid); + ret |= cpsw_ale_flush_multicast(cpsw->ale, ALE_PORT_HOST, vid); +err: pm_runtime_put(cpsw->dev); return ret; } -static int cpsw_ndo_set_tx_maxrate(struct net_device *ndev, int queue, u32 rate) +static int cpsw_ndo_xdp_xmit(struct net_device *ndev, int n, + struct xdp_frame **frames, u32 flags) { struct cpsw_priv *priv = netdev_priv(ndev); struct cpsw_common *cpsw = priv->cpsw; - struct cpsw_slave *slave; - u32 min_rate; - u32 ch_rate; - int i, ret; - - ch_rate = netdev_get_tx_queue(ndev, queue)->tx_maxrate; - if (ch_rate == rate) - return 0; + struct xdp_frame *xdpf; + int i, nxmit = 0, port; - ch_rate = rate * 1000; - min_rate = cpdma_chan_get_min_rate(cpsw->dma); - if ((ch_rate < min_rate && ch_rate)) { - dev_err(priv->dev, "The channel rate cannot be less than %dMbps", - min_rate); + if (unlikely(flags & ~XDP_XMIT_FLAGS_MASK)) return -EINVAL; - } - if (rate > cpsw->speed) { - dev_err(priv->dev, "The channel rate cannot be more than 2Gbps"); - return -EINVAL; - } + for (i = 0; i < n; i++) { + xdpf = frames[i]; + if (xdpf->len < CPSW_MIN_PACKET_SIZE) + break; - ret = pm_runtime_get_sync(cpsw->dev); - if (ret < 0) { - pm_runtime_put_noidle(cpsw->dev); - return ret; + port = priv->emac_port + cpsw->data.dual_emac; + if (cpsw_xdp_tx_frame(priv, xdpf, NULL, port)) + break; + nxmit++; } - ret = cpdma_chan_set_rate(cpsw->txv[queue].ch, ch_rate); - pm_runtime_put(cpsw->dev); + return nxmit; +} - if (ret) - return ret; +#ifdef CONFIG_NET_POLL_CONTROLLER +static void cpsw_ndo_poll_controller(struct net_device *ndev) +{ + struct cpsw_common *cpsw = ndev_to_cpsw(ndev); - /* update rates for slaves tx queues */ - for (i = 0; i < cpsw->data.slaves; i++) { - slave = &cpsw->slaves[i]; - if (!slave->ndev) - continue; + cpsw_intr_disable(cpsw); + cpsw_rx_interrupt(cpsw->irqs_table[0], cpsw); + cpsw_tx_interrupt(cpsw->irqs_table[1], cpsw); + cpsw_intr_enable(cpsw); +} +#endif - netdev_get_tx_queue(slave->ndev, queue)->tx_maxrate = rate; - } +/* We need a custom implementation of phy_do_ioctl_running() because in switch + * mode, dev->phydev may be different than the phy of the active_slave. We need + * to operate on the locally saved phy instead. + */ +static int cpsw_ndo_ioctl(struct net_device *dev, struct ifreq *req, int cmd) +{ + struct cpsw_priv *priv = netdev_priv(dev); + struct cpsw_common *cpsw = priv->cpsw; + int slave_no = cpsw_slave_index(cpsw, priv); + struct phy_device *phy; - cpsw_split_res(ndev); - return ret; + if (!netif_running(dev)) + return -EINVAL; + + phy = cpsw->slaves[slave_no].phy; + if (phy) + return phy_mii_ioctl(phy, req, cmd); + + return -EOPNOTSUPP; } static const struct net_device_ops cpsw_netdev_ops = { @@ -2071,7 +1182,7 @@ static const struct net_device_ops cpsw_netdev_ops = { .ndo_stop = cpsw_ndo_stop, .ndo_start_xmit = cpsw_ndo_start_xmit, .ndo_set_mac_address = cpsw_ndo_set_mac_address, - .ndo_do_ioctl = cpsw_ndo_ioctl, + .ndo_eth_ioctl = cpsw_ndo_ioctl, .ndo_validate_addr = eth_validate_addr, .ndo_tx_timeout = cpsw_ndo_tx_timeout, .ndo_set_rx_mode = cpsw_ndo_set_rx_mode, @@ -2081,149 +1192,22 @@ static const struct net_device_ops cpsw_netdev_ops = { #endif .ndo_vlan_rx_add_vid = cpsw_ndo_vlan_rx_add_vid, .ndo_vlan_rx_kill_vid = cpsw_ndo_vlan_rx_kill_vid, + .ndo_setup_tc = cpsw_ndo_setup_tc, + .ndo_bpf = cpsw_ndo_bpf, + .ndo_xdp_xmit = cpsw_ndo_xdp_xmit, + .ndo_hwtstamp_get = cpsw_hwtstamp_get, + .ndo_hwtstamp_set = cpsw_hwtstamp_set, }; -static int cpsw_get_regs_len(struct net_device *ndev) -{ - struct cpsw_common *cpsw = ndev_to_cpsw(ndev); - - return cpsw->data.ale_entries * ALE_ENTRY_WORDS * sizeof(u32); -} - -static void cpsw_get_regs(struct net_device *ndev, - struct ethtool_regs *regs, void *p) -{ - u32 *reg = p; - struct cpsw_common *cpsw = ndev_to_cpsw(ndev); - - /* update CPSW IP version */ - regs->version = cpsw->version; - - cpsw_ale_dump(cpsw->ale, reg); -} - static void cpsw_get_drvinfo(struct net_device *ndev, struct ethtool_drvinfo *info) { struct cpsw_common *cpsw = ndev_to_cpsw(ndev); struct platform_device *pdev = to_platform_device(cpsw->dev); - strlcpy(info->driver, "cpsw", sizeof(info->driver)); - strlcpy(info->version, "1.0", sizeof(info->version)); - strlcpy(info->bus_info, pdev->name, sizeof(info->bus_info)); -} - -static u32 cpsw_get_msglevel(struct net_device *ndev) -{ - struct cpsw_priv *priv = netdev_priv(ndev); - return priv->msg_enable; -} - -static void cpsw_set_msglevel(struct net_device *ndev, u32 value) -{ - struct cpsw_priv *priv = netdev_priv(ndev); - priv->msg_enable = value; -} - -#if IS_ENABLED(CONFIG_TI_CPTS) -static int cpsw_get_ts_info(struct net_device *ndev, - struct ethtool_ts_info *info) -{ - struct cpsw_common *cpsw = ndev_to_cpsw(ndev); - - info->so_timestamping = - SOF_TIMESTAMPING_TX_HARDWARE | - SOF_TIMESTAMPING_TX_SOFTWARE | - SOF_TIMESTAMPING_RX_HARDWARE | - SOF_TIMESTAMPING_RX_SOFTWARE | - SOF_TIMESTAMPING_SOFTWARE | - SOF_TIMESTAMPING_RAW_HARDWARE; - info->phc_index = cpsw->cpts->phc_index; - info->tx_types = - (1 << HWTSTAMP_TX_OFF) | - (1 << HWTSTAMP_TX_ON); - info->rx_filters = - (1 << HWTSTAMP_FILTER_NONE) | - (1 << HWTSTAMP_FILTER_PTP_V1_L4_EVENT) | - (1 << HWTSTAMP_FILTER_PTP_V2_EVENT); - return 0; -} -#else -static int cpsw_get_ts_info(struct net_device *ndev, - struct ethtool_ts_info *info) -{ - info->so_timestamping = - SOF_TIMESTAMPING_TX_SOFTWARE | - SOF_TIMESTAMPING_RX_SOFTWARE | - SOF_TIMESTAMPING_SOFTWARE; - info->phc_index = -1; - info->tx_types = 0; - info->rx_filters = 0; - return 0; -} -#endif - -static int cpsw_get_link_ksettings(struct net_device *ndev, - struct ethtool_link_ksettings *ecmd) -{ - struct cpsw_priv *priv = netdev_priv(ndev); - struct cpsw_common *cpsw = priv->cpsw; - int slave_no = cpsw_slave_index(cpsw, priv); - - if (!cpsw->slaves[slave_no].phy) - return -EOPNOTSUPP; - - phy_ethtool_ksettings_get(cpsw->slaves[slave_no].phy, ecmd); - return 0; -} - -static int cpsw_set_link_ksettings(struct net_device *ndev, - const struct ethtool_link_ksettings *ecmd) -{ - struct cpsw_priv *priv = netdev_priv(ndev); - struct cpsw_common *cpsw = priv->cpsw; - int slave_no = cpsw_slave_index(cpsw, priv); - - if (cpsw->slaves[slave_no].phy) - return phy_ethtool_ksettings_set(cpsw->slaves[slave_no].phy, - ecmd); - else - return -EOPNOTSUPP; -} - -static void cpsw_get_wol(struct net_device *ndev, struct ethtool_wolinfo *wol) -{ - struct cpsw_priv *priv = netdev_priv(ndev); - struct cpsw_common *cpsw = priv->cpsw; - int slave_no = cpsw_slave_index(cpsw, priv); - - wol->supported = 0; - wol->wolopts = 0; - - if (cpsw->slaves[slave_no].phy) - phy_ethtool_get_wol(cpsw->slaves[slave_no].phy, wol); -} - -static int cpsw_set_wol(struct net_device *ndev, struct ethtool_wolinfo *wol) -{ - struct cpsw_priv *priv = netdev_priv(ndev); - struct cpsw_common *cpsw = priv->cpsw; - int slave_no = cpsw_slave_index(cpsw, priv); - - if (cpsw->slaves[slave_no].phy) - return phy_ethtool_set_wol(cpsw->slaves[slave_no].phy, wol); - else - return -EOPNOTSUPP; -} - -static void cpsw_get_pauseparam(struct net_device *ndev, - struct ethtool_pauseparam *pause) -{ - struct cpsw_priv *priv = netdev_priv(ndev); - - pause->autoneg = AUTONEG_DISABLE; - pause->rx_pause = priv->rx_pause ? true : false; - pause->tx_pause = priv->tx_pause ? true : false; + strscpy(info->driver, "cpsw", sizeof(info->driver)); + strscpy(info->version, "1.0", sizeof(info->version)); + strscpy(info->bus_info, pdev->name, sizeof(info->bus_info)); } static int cpsw_set_pauseparam(struct net_device *ndev, @@ -2239,316 +1223,14 @@ static int cpsw_set_pauseparam(struct net_device *ndev, return 0; } -static int cpsw_ethtool_op_begin(struct net_device *ndev) -{ - struct cpsw_priv *priv = netdev_priv(ndev); - struct cpsw_common *cpsw = priv->cpsw; - int ret; - - ret = pm_runtime_get_sync(cpsw->dev); - if (ret < 0) { - cpsw_err(priv, drv, "ethtool begin failed %d\n", ret); - pm_runtime_put_noidle(cpsw->dev); - } - - return ret; -} - -static void cpsw_ethtool_op_complete(struct net_device *ndev) -{ - struct cpsw_priv *priv = netdev_priv(ndev); - int ret; - - ret = pm_runtime_put(priv->cpsw->dev); - if (ret < 0) - cpsw_err(priv, drv, "ethtool complete failed %d\n", ret); -} - -static void cpsw_get_channels(struct net_device *ndev, - struct ethtool_channels *ch) -{ - struct cpsw_common *cpsw = ndev_to_cpsw(ndev); - - ch->max_combined = 0; - ch->max_rx = CPSW_MAX_QUEUES; - ch->max_tx = CPSW_MAX_QUEUES; - ch->max_other = 0; - ch->other_count = 0; - ch->rx_count = cpsw->rx_ch_num; - ch->tx_count = cpsw->tx_ch_num; - ch->combined_count = 0; -} - -static int cpsw_check_ch_settings(struct cpsw_common *cpsw, - struct ethtool_channels *ch) -{ - if (ch->combined_count) - return -EINVAL; - - /* verify we have at least one channel in each direction */ - if (!ch->rx_count || !ch->tx_count) - return -EINVAL; - - if (ch->rx_count > cpsw->data.channels || - ch->tx_count > cpsw->data.channels) - return -EINVAL; - - return 0; -} - -static int cpsw_update_channels_res(struct cpsw_priv *priv, int ch_num, int rx) -{ - int (*poll)(struct napi_struct *, int); - struct cpsw_common *cpsw = priv->cpsw; - void (*handler)(void *, int, int); - struct netdev_queue *queue; - struct cpsw_vector *vec; - int ret, *ch; - - if (rx) { - ch = &cpsw->rx_ch_num; - vec = cpsw->rxv; - handler = cpsw_rx_handler; - poll = cpsw_rx_poll; - } else { - ch = &cpsw->tx_ch_num; - vec = cpsw->txv; - handler = cpsw_tx_handler; - poll = cpsw_tx_poll; - } - - while (*ch < ch_num) { - vec[*ch].ch = cpdma_chan_create(cpsw->dma, *ch, handler, rx); - queue = netdev_get_tx_queue(priv->ndev, *ch); - queue->tx_maxrate = 0; - - if (IS_ERR(vec[*ch].ch)) - return PTR_ERR(vec[*ch].ch); - - if (!vec[*ch].ch) - return -EINVAL; - - cpsw_info(priv, ifup, "created new %d %s channel\n", *ch, - (rx ? "rx" : "tx")); - (*ch)++; - } - - while (*ch > ch_num) { - (*ch)--; - - ret = cpdma_chan_destroy(vec[*ch].ch); - if (ret) - return ret; - - cpsw_info(priv, ifup, "destroyed %d %s channel\n", *ch, - (rx ? "rx" : "tx")); - } - - return 0; -} - -static int cpsw_update_channels(struct cpsw_priv *priv, - struct ethtool_channels *ch) -{ - int ret; - - ret = cpsw_update_channels_res(priv, ch->rx_count, 1); - if (ret) - return ret; - - ret = cpsw_update_channels_res(priv, ch->tx_count, 0); - if (ret) - return ret; - - return 0; -} - -static void cpsw_suspend_data_pass(struct net_device *ndev) -{ - struct cpsw_common *cpsw = ndev_to_cpsw(ndev); - struct cpsw_slave *slave; - int i; - - /* Disable NAPI scheduling */ - cpsw_intr_disable(cpsw); - - /* Stop all transmit queues for every network device. - * Disable re-using rx descriptors with dormant_on. - */ - for (i = cpsw->data.slaves, slave = cpsw->slaves; i; i--, slave++) { - if (!(slave->ndev && netif_running(slave->ndev))) - continue; - - netif_tx_stop_all_queues(slave->ndev); - netif_dormant_on(slave->ndev); - } - - /* Handle rest of tx packets and stop cpdma channels */ - cpdma_ctlr_stop(cpsw->dma); -} - -static int cpsw_resume_data_pass(struct net_device *ndev) -{ - struct cpsw_priv *priv = netdev_priv(ndev); - struct cpsw_common *cpsw = priv->cpsw; - struct cpsw_slave *slave; - int i, ret; - - /* Allow rx packets handling */ - for (i = cpsw->data.slaves, slave = cpsw->slaves; i; i--, slave++) - if (slave->ndev && netif_running(slave->ndev)) - netif_dormant_off(slave->ndev); - - /* After this receive is started */ - if (cpsw->usage_count) { - ret = cpsw_fill_rx_channels(priv); - if (ret) - return ret; - - cpdma_ctlr_start(cpsw->dma); - cpsw_intr_enable(cpsw); - } - - /* Resume transmit for every affected interface */ - for (i = cpsw->data.slaves, slave = cpsw->slaves; i; i--, slave++) - if (slave->ndev && netif_running(slave->ndev)) - netif_tx_start_all_queues(slave->ndev); - - return 0; -} - static int cpsw_set_channels(struct net_device *ndev, struct ethtool_channels *chs) { - struct cpsw_priv *priv = netdev_priv(ndev); - struct cpsw_common *cpsw = priv->cpsw; - struct cpsw_slave *slave; - int i, ret; - - ret = cpsw_check_ch_settings(cpsw, chs); - if (ret < 0) - return ret; - - cpsw_suspend_data_pass(ndev); - ret = cpsw_update_channels(priv, chs); - if (ret) - goto err; - - for (i = cpsw->data.slaves, slave = cpsw->slaves; i; i--, slave++) { - if (!(slave->ndev && netif_running(slave->ndev))) - continue; - - /* Inform stack about new count of queues */ - ret = netif_set_real_num_tx_queues(slave->ndev, - cpsw->tx_ch_num); - if (ret) { - dev_err(priv->dev, "cannot set real number of tx queues\n"); - goto err; - } - - ret = netif_set_real_num_rx_queues(slave->ndev, - cpsw->rx_ch_num); - if (ret) { - dev_err(priv->dev, "cannot set real number of rx queues\n"); - goto err; - } - } - - if (cpsw->usage_count) - cpsw_split_res(ndev); - - ret = cpsw_resume_data_pass(ndev); - if (!ret) - return 0; -err: - dev_err(priv->dev, "cannot update channels number, closing device\n"); - dev_close(ndev); - return ret; -} - -static int cpsw_get_eee(struct net_device *ndev, struct ethtool_eee *edata) -{ - struct cpsw_priv *priv = netdev_priv(ndev); - struct cpsw_common *cpsw = priv->cpsw; - int slave_no = cpsw_slave_index(cpsw, priv); - - if (cpsw->slaves[slave_no].phy) - return phy_ethtool_get_eee(cpsw->slaves[slave_no].phy, edata); - else - return -EOPNOTSUPP; -} - -static int cpsw_set_eee(struct net_device *ndev, struct ethtool_eee *edata) -{ - struct cpsw_priv *priv = netdev_priv(ndev); - struct cpsw_common *cpsw = priv->cpsw; - int slave_no = cpsw_slave_index(cpsw, priv); - - if (cpsw->slaves[slave_no].phy) - return phy_ethtool_set_eee(cpsw->slaves[slave_no].phy, edata); - else - return -EOPNOTSUPP; -} - -static int cpsw_nway_reset(struct net_device *ndev) -{ - struct cpsw_priv *priv = netdev_priv(ndev); - struct cpsw_common *cpsw = priv->cpsw; - int slave_no = cpsw_slave_index(cpsw, priv); - - if (cpsw->slaves[slave_no].phy) - return genphy_restart_aneg(cpsw->slaves[slave_no].phy); - else - return -EOPNOTSUPP; -} - -static void cpsw_get_ringparam(struct net_device *ndev, - struct ethtool_ringparam *ering) -{ - struct cpsw_priv *priv = netdev_priv(ndev); - struct cpsw_common *cpsw = priv->cpsw; - - /* not supported */ - ering->tx_max_pending = 0; - ering->tx_pending = cpdma_get_num_tx_descs(cpsw->dma); - ering->rx_max_pending = descs_pool_size - CPSW_MAX_QUEUES; - ering->rx_pending = cpdma_get_num_rx_descs(cpsw->dma); -} - -static int cpsw_set_ringparam(struct net_device *ndev, - struct ethtool_ringparam *ering) -{ - struct cpsw_priv *priv = netdev_priv(ndev); - struct cpsw_common *cpsw = priv->cpsw; - int ret; - - /* ignore ering->tx_pending - only rx_pending adjustment is supported */ - - if (ering->rx_mini_pending || ering->rx_jumbo_pending || - ering->rx_pending < CPSW_MAX_QUEUES || - ering->rx_pending > (descs_pool_size - CPSW_MAX_QUEUES)) - return -EINVAL; - - if (ering->rx_pending == cpdma_get_num_rx_descs(cpsw->dma)) - return 0; - - cpsw_suspend_data_pass(ndev); - - cpdma_set_num_rx_descs(cpsw->dma, ering->rx_pending); - - if (cpsw->usage_count) - cpdma_chan_split_pool(cpsw->dma); - - ret = cpsw_resume_data_pass(ndev); - if (!ret) - return 0; - - dev_err(&ndev->dev, "cannot set ring params, closing device\n"); - dev_close(ndev); - return ret; + return cpsw_set_channels_common(ndev, chs, cpsw_rx_handler); } static const struct ethtool_ops cpsw_ethtool_ops = { + .supported_coalesce_params = ETHTOOL_COALESCE_RX_USECS, .get_drvinfo = cpsw_get_drvinfo, .get_msglevel = cpsw_get_msglevel, .set_msglevel = cpsw_set_msglevel, @@ -2572,25 +1254,11 @@ static const struct ethtool_ops cpsw_ethtool_ops = { .get_link_ksettings = cpsw_get_link_ksettings, .set_link_ksettings = cpsw_set_link_ksettings, .get_eee = cpsw_get_eee, - .set_eee = cpsw_set_eee, .nway_reset = cpsw_nway_reset, .get_ringparam = cpsw_get_ringparam, .set_ringparam = cpsw_set_ringparam, }; -static void cpsw_slave_init(struct cpsw_slave *slave, struct cpsw_common *cpsw, - u32 slave_reg_ofs, u32 sliver_reg_ofs) -{ - void __iomem *regs = cpsw->regs; - int slave_num = slave->slave_num; - struct cpsw_slave_data *data = cpsw->data.slave_data + slave_num; - - slave->data = data; - slave->regs = regs + slave_reg_ofs; - slave->sliver = regs + sliver_reg_ofs; - slave->port_vlan = data->dual_emac_res_vlan; -} - static int cpsw_probe_dt(struct cpsw_platform_data *data, struct platform_device *pdev) { @@ -2614,8 +1282,9 @@ static int cpsw_probe_dt(struct cpsw_platform_data *data, } data->active_slave = prop; - data->slave_data = devm_kzalloc(&pdev->dev, data->slaves - * sizeof(struct cpsw_slave_data), + data->slave_data = devm_kcalloc(&pdev->dev, + data->slaves, + sizeof(struct cpsw_slave_data), GFP_KERNEL); if (!data->slave_data) return -ENOMEM; @@ -2626,12 +1295,6 @@ static int cpsw_probe_dt(struct cpsw_platform_data *data, } data->channels = prop; - if (of_property_read_u32(node, "ale_entries", &prop)) { - dev_err(&pdev->dev, "Missing ale_entries property in the DT.\n"); - return -EINVAL; - } - data->ale_entries = prop; - if (of_property_read_u32(node, "bd_ram_size", &prop)) { dev_err(&pdev->dev, "Missing bd_ram_size property in the DT.\n"); return -EINVAL; @@ -2645,7 +1308,7 @@ static int cpsw_probe_dt(struct cpsw_platform_data *data, data->mac_control = prop; if (of_property_read_bool(node, "dual_emac")) - data->dual_emac = 1; + data->dual_emac = true; /* * Populate all the child nodes here... @@ -2657,30 +1320,39 @@ static int cpsw_probe_dt(struct cpsw_platform_data *data, for_each_available_child_of_node(node, slave_node) { struct cpsw_slave_data *slave_data = data->slave_data + i; - const void *mac_addr = NULL; int lenp; const __be32 *parp; /* This is no slave child node, continue */ - if (strcmp(slave_node->name, "slave")) + if (!of_node_name_eq(slave_node, "slave")) continue; + slave_data->ifphy = devm_of_phy_get(&pdev->dev, slave_node, + NULL); + if (!IS_ENABLED(CONFIG_TI_CPSW_PHY_SEL) && + IS_ERR(slave_data->ifphy)) { + ret = PTR_ERR(slave_data->ifphy); + dev_err(&pdev->dev, + "%d: Error retrieving port phy: %d\n", i, ret); + goto err_node_put; + } + + slave_data->slave_node = slave_node; slave_data->phy_node = of_parse_phandle(slave_node, "phy-handle", 0); parp = of_get_property(slave_node, "phy_id", &lenp); if (slave_data->phy_node) { dev_dbg(&pdev->dev, - "slave[%d] using phy-handle=\"%s\"\n", - i, slave_data->phy_node->full_name); + "slave[%d] using phy-handle=\"%pOF\"\n", + i, slave_data->phy_node); } else if (of_phy_is_fixed_link(slave_node)) { /* In the case of a fixed PHY, the DT node associated * to the PHY is the Ethernet MAC DT node. */ ret = of_phy_register_fixed_link(slave_node); if (ret) { - if (ret != -EPROBE_DEFER) - dev_err(&pdev->dev, "failed to register fixed-link phy: %d\n", ret); - return ret; + dev_err_probe(&pdev->dev, ret, "failed to register fixed-link phy\n"); + goto err_node_put; } slave_data->phy_node = of_node_get(slave_node); } else if (parp) { @@ -2698,7 +1370,8 @@ static int cpsw_probe_dt(struct cpsw_platform_data *data, of_node_put(mdio_node); if (!mdio) { dev_err(&pdev->dev, "Missing mdio platform device\n"); - return -EINVAL; + ret = -EINVAL; + goto err_node_put; } snprintf(slave_data->phy_id, sizeof(slave_data->phy_id), PHY_ID_FMT, mdio->name, phyid); @@ -2709,22 +1382,20 @@ static int cpsw_probe_dt(struct cpsw_platform_data *data, i); goto no_phy_slave; } - slave_data->phy_if = of_get_phy_mode(slave_node); - if (slave_data->phy_if < 0) { + ret = of_get_phy_mode(slave_node, &slave_data->phy_if); + if (ret) { dev_err(&pdev->dev, "Missing or malformed slave[%d] phy-mode property\n", i); - return slave_data->phy_if; + goto err_node_put; } no_phy_slave: - mac_addr = of_get_mac_address(slave_node); - if (mac_addr) { - memcpy(slave_data->mac_addr, mac_addr, ETH_ALEN); - } else { + ret = of_get_mac_address(slave_node, slave_data->mac_addr); + if (ret) { ret = ti_cm_get_macid(&pdev->dev, i, slave_data->mac_addr); if (ret) - return ret; + goto err_node_put; } if (data->dual_emac) { if (of_property_read_u32(slave_node, "dual_emac_res_vlan", @@ -2739,17 +1410,22 @@ no_phy_slave: } i++; - if (i == data->slaves) - break; + if (i == data->slaves) { + ret = 0; + goto err_node_put; + } } return 0; + +err_node_put: + of_node_put(slave_node); + return ret; } static void cpsw_remove_dt(struct platform_device *pdev) { - struct net_device *ndev = platform_get_drvdata(pdev); - struct cpsw_common *cpsw = ndev_to_cpsw(ndev); + struct cpsw_common *cpsw = platform_get_drvdata(pdev); struct cpsw_platform_data *data = &cpsw->data; struct device_node *node = pdev->dev.of_node; struct device_node *slave_node; @@ -2758,7 +1434,7 @@ static void cpsw_remove_dt(struct platform_device *pdev) for_each_available_child_of_node(node, slave_node) { struct cpsw_slave_data *slave_data = &data->slave_data[i]; - if (strcmp(slave_node->name, "slave")) + if (!of_node_name_eq(slave_node, "slave")) continue; if (of_phy_is_fixed_link(slave_node)) @@ -2767,8 +1443,10 @@ static void cpsw_remove_dt(struct platform_device *pdev) of_node_put(slave_data->phy_node); i++; - if (i == data->slaves) + if (i == data->slaves) { + of_node_put(slave_node); break; + } } of_platform_depopulate(&pdev->dev); @@ -2782,7 +1460,8 @@ static int cpsw_probe_dual_emac(struct cpsw_priv *priv) struct cpsw_priv *priv_sl2; int ret = 0; - ndev = alloc_etherdev_mq(sizeof(struct cpsw_priv), CPSW_MAX_QUEUES); + ndev = devm_alloc_etherdev_mqs(cpsw->dev, sizeof(struct cpsw_priv), + CPSW_MAX_QUEUES, CPSW_MAX_QUEUES); if (!ndev) { dev_err(cpsw->dev, "cpsw: error allocating net_device\n"); return -ENOMEM; @@ -2800,310 +1479,215 @@ static int cpsw_probe_dual_emac(struct cpsw_priv *priv) dev_info(cpsw->dev, "cpsw: Detected MACID = %pM\n", priv_sl2->mac_addr); } else { - random_ether_addr(priv_sl2->mac_addr); + eth_random_addr(priv_sl2->mac_addr); dev_info(cpsw->dev, "cpsw: Random MACID = %pM\n", priv_sl2->mac_addr); } - memcpy(ndev->dev_addr, priv_sl2->mac_addr, ETH_ALEN); + eth_hw_addr_set(ndev, priv_sl2->mac_addr); priv_sl2->emac_port = 1; cpsw->slaves[1].ndev = ndev; - ndev->features |= NETIF_F_HW_VLAN_CTAG_FILTER; + ndev->features |= NETIF_F_HW_VLAN_CTAG_FILTER | NETIF_F_HW_VLAN_CTAG_RX; + ndev->xdp_features = NETDEV_XDP_ACT_BASIC | NETDEV_XDP_ACT_REDIRECT | + NETDEV_XDP_ACT_NDO_XMIT; ndev->netdev_ops = &cpsw_netdev_ops; ndev->ethtool_ops = &cpsw_ethtool_ops; /* register the network device */ SET_NETDEV_DEV(ndev, cpsw->dev); + ndev->dev.of_node = cpsw->slaves[1].data->slave_node; ret = register_netdev(ndev); - if (ret) { + if (ret) dev_err(cpsw->dev, "cpsw: error registering net device\n"); - free_netdev(ndev); - ret = -ENODEV; - } return ret; } -#define CPSW_QUIRK_IRQ BIT(0) - -static struct platform_device_id cpsw_devtype[] = { - { - /* keep it for existing comaptibles */ - .name = "cpsw", - .driver_data = CPSW_QUIRK_IRQ, - }, { - .name = "am335x-cpsw", - .driver_data = CPSW_QUIRK_IRQ, - }, { - .name = "am4372-cpsw", - .driver_data = 0, - }, { - .name = "dra7-cpsw", - .driver_data = 0, - }, { - /* sentinel */ - } -}; -MODULE_DEVICE_TABLE(platform, cpsw_devtype); - -enum ti_cpsw_type { - CPSW = 0, - AM335X_CPSW, - AM4372_CPSW, - DRA7_CPSW, -}; - static const struct of_device_id cpsw_of_mtable[] = { - { .compatible = "ti,cpsw", .data = &cpsw_devtype[CPSW], }, - { .compatible = "ti,am335x-cpsw", .data = &cpsw_devtype[AM335X_CPSW], }, - { .compatible = "ti,am4372-cpsw", .data = &cpsw_devtype[AM4372_CPSW], }, - { .compatible = "ti,dra7-cpsw", .data = &cpsw_devtype[DRA7_CPSW], }, + { .compatible = "ti,cpsw"}, + { .compatible = "ti,am335x-cpsw"}, + { .compatible = "ti,am4372-cpsw"}, + { .compatible = "ti,dra7-cpsw"}, { /* sentinel */ }, }; MODULE_DEVICE_TABLE(of, cpsw_of_mtable); +static const struct soc_device_attribute cpsw_soc_devices[] = { + { .family = "AM33xx", .revision = "ES1.0"}, + { /* sentinel */ } +}; + static int cpsw_probe(struct platform_device *pdev) { + struct device *dev = &pdev->dev; struct clk *clk; struct cpsw_platform_data *data; struct net_device *ndev; struct cpsw_priv *priv; - struct cpdma_params dma_params; - struct cpsw_ale_params ale_params; void __iomem *ss_regs; - void __iomem *cpts_regs; - struct resource *res, *ss_res; - const struct of_device_id *of_id; + struct resource *ss_res; struct gpio_descs *mode; - u32 slave_offset, sliver_offset, slave_size; + const struct soc_device_attribute *soc; struct cpsw_common *cpsw; - int ret = 0, i; + int ret = 0, ch; int irq; - cpsw = devm_kzalloc(&pdev->dev, sizeof(struct cpsw_common), GFP_KERNEL); + cpsw = devm_kzalloc(dev, sizeof(struct cpsw_common), GFP_KERNEL); if (!cpsw) return -ENOMEM; - cpsw->dev = &pdev->dev; - - ndev = alloc_etherdev_mq(sizeof(struct cpsw_priv), CPSW_MAX_QUEUES); - if (!ndev) { - dev_err(&pdev->dev, "error allocating net_device\n"); - return -ENOMEM; - } + platform_set_drvdata(pdev, cpsw); + cpsw_slave_index = cpsw_slave_index_priv; - platform_set_drvdata(pdev, ndev); - priv = netdev_priv(ndev); - priv->cpsw = cpsw; - priv->ndev = ndev; - priv->dev = &ndev->dev; - priv->msg_enable = netif_msg_init(debug_level, CPSW_DEBUG); - cpsw->rx_packet_max = max(rx_packet_max, 128); + cpsw->dev = dev; - mode = devm_gpiod_get_array_optional(&pdev->dev, "mode", GPIOD_OUT_LOW); + mode = devm_gpiod_get_array_optional(dev, "mode", GPIOD_OUT_LOW); if (IS_ERR(mode)) { ret = PTR_ERR(mode); - dev_err(&pdev->dev, "gpio request failed, ret %d\n", ret); - goto clean_ndev_ret; + dev_err(dev, "gpio request failed, ret %d\n", ret); + return ret; } + clk = devm_clk_get(dev, "fck"); + if (IS_ERR(clk)) { + ret = PTR_ERR(clk); + dev_err(dev, "fck is not found %d\n", ret); + return ret; + } + cpsw->bus_freq_mhz = clk_get_rate(clk) / 1000000; + + ss_regs = devm_platform_get_and_ioremap_resource(pdev, 0, &ss_res); + if (IS_ERR(ss_regs)) + return PTR_ERR(ss_regs); + cpsw->regs = ss_regs; + + cpsw->wr_regs = devm_platform_ioremap_resource(pdev, 1); + if (IS_ERR(cpsw->wr_regs)) + return PTR_ERR(cpsw->wr_regs); + + /* RX IRQ */ + irq = platform_get_irq(pdev, 1); + if (irq < 0) + return irq; + cpsw->irqs_table[0] = irq; + + /* TX IRQ */ + irq = platform_get_irq(pdev, 2); + if (irq < 0) + return irq; + cpsw->irqs_table[1] = irq; + + /* get misc irq*/ + irq = platform_get_irq(pdev, 3); + if (irq <= 0) + return irq; + cpsw->misc_irq = irq; + /* * This may be required here for child devices. */ - pm_runtime_enable(&pdev->dev); - - /* Select default pin state */ - pinctrl_pm_select_default_state(&pdev->dev); + pm_runtime_enable(dev); /* Need to enable clocks with runtime PM api to access module * registers */ - ret = pm_runtime_get_sync(&pdev->dev); - if (ret < 0) { - pm_runtime_put_noidle(&pdev->dev); + ret = pm_runtime_resume_and_get(dev); + if (ret < 0) goto clean_runtime_disable_ret; - } ret = cpsw_probe_dt(&cpsw->data, pdev); if (ret) goto clean_dt_ret; - data = &cpsw->data; - cpsw->rx_ch_num = 1; - cpsw->tx_ch_num = 1; - - if (is_valid_ether_addr(data->slave_data[0].mac_addr)) { - memcpy(priv->mac_addr, data->slave_data[0].mac_addr, ETH_ALEN); - dev_info(&pdev->dev, "Detected MACID = %pM\n", priv->mac_addr); - } else { - eth_random_addr(priv->mac_addr); - dev_info(&pdev->dev, "Random MACID = %pM\n", priv->mac_addr); - } - - memcpy(ndev->dev_addr, priv->mac_addr, ETH_ALEN); + soc = soc_device_match(cpsw_soc_devices); + if (soc) + cpsw->quirk_irq = true; - cpsw->slaves = devm_kzalloc(&pdev->dev, - sizeof(struct cpsw_slave) * data->slaves, + data = &cpsw->data; + cpsw->slaves = devm_kcalloc(dev, + data->slaves, sizeof(struct cpsw_slave), GFP_KERNEL); if (!cpsw->slaves) { ret = -ENOMEM; goto clean_dt_ret; } - for (i = 0; i < data->slaves; i++) - cpsw->slaves[i].slave_num = i; - cpsw->slaves[0].ndev = ndev; - priv->emac_port = 0; - - clk = devm_clk_get(&pdev->dev, "fck"); - if (IS_ERR(clk)) { - dev_err(priv->dev, "fck is not found\n"); - ret = -ENODEV; - goto clean_dt_ret; - } - cpsw->bus_freq_mhz = clk_get_rate(clk) / 1000000; + cpsw->rx_packet_max = max(rx_packet_max, CPSW_MAX_PACKET_SIZE); + cpsw->descs_pool_size = descs_pool_size; - ss_res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - ss_regs = devm_ioremap_resource(&pdev->dev, ss_res); - if (IS_ERR(ss_regs)) { - ret = PTR_ERR(ss_regs); - goto clean_dt_ret; - } - cpsw->regs = ss_regs; - - cpsw->version = readl(&cpsw->regs->id_ver); - - res = platform_get_resource(pdev, IORESOURCE_MEM, 1); - cpsw->wr_regs = devm_ioremap_resource(&pdev->dev, res); - if (IS_ERR(cpsw->wr_regs)) { - ret = PTR_ERR(cpsw->wr_regs); - goto clean_dt_ret; - } - - memset(&dma_params, 0, sizeof(dma_params)); - memset(&ale_params, 0, sizeof(ale_params)); - - switch (cpsw->version) { - case CPSW_VERSION_1: - cpsw->host_port_regs = ss_regs + CPSW1_HOST_PORT_OFFSET; - cpts_regs = ss_regs + CPSW1_CPTS_OFFSET; - cpsw->hw_stats = ss_regs + CPSW1_HW_STATS; - dma_params.dmaregs = ss_regs + CPSW1_CPDMA_OFFSET; - dma_params.txhdp = ss_regs + CPSW1_STATERAM_OFFSET; - ale_params.ale_regs = ss_regs + CPSW1_ALE_OFFSET; - slave_offset = CPSW1_SLAVE_OFFSET; - slave_size = CPSW1_SLAVE_SIZE; - sliver_offset = CPSW1_SLIVER_OFFSET; - dma_params.desc_mem_phys = 0; - break; - case CPSW_VERSION_2: - case CPSW_VERSION_3: - case CPSW_VERSION_4: - cpsw->host_port_regs = ss_regs + CPSW2_HOST_PORT_OFFSET; - cpts_regs = ss_regs + CPSW2_CPTS_OFFSET; - cpsw->hw_stats = ss_regs + CPSW2_HW_STATS; - dma_params.dmaregs = ss_regs + CPSW2_CPDMA_OFFSET; - dma_params.txhdp = ss_regs + CPSW2_STATERAM_OFFSET; - ale_params.ale_regs = ss_regs + CPSW2_ALE_OFFSET; - slave_offset = CPSW2_SLAVE_OFFSET; - slave_size = CPSW2_SLAVE_SIZE; - sliver_offset = CPSW2_SLIVER_OFFSET; - dma_params.desc_mem_phys = - (u32 __force) ss_res->start + CPSW2_BD_OFFSET; - break; - default: - dev_err(priv->dev, "unknown version 0x%08x\n", cpsw->version); - ret = -ENODEV; + ret = cpsw_init_common(cpsw, ss_regs, ale_ageout, + ss_res->start + CPSW2_BD_OFFSET, + descs_pool_size); + if (ret) goto clean_dt_ret; - } - for (i = 0; i < cpsw->data.slaves; i++) { - struct cpsw_slave *slave = &cpsw->slaves[i]; - cpsw_slave_init(slave, cpsw, slave_offset, sliver_offset); - slave_offset += slave_size; - sliver_offset += SLIVER_SIZE; + ch = cpsw->quirk_irq ? 0 : 7; + cpsw->txv[0].ch = cpdma_chan_create(cpsw->dma, ch, cpsw_tx_handler, 0); + if (IS_ERR(cpsw->txv[0].ch)) { + dev_err(dev, "error initializing tx dma channel\n"); + ret = PTR_ERR(cpsw->txv[0].ch); + goto clean_cpts; } - dma_params.dev = &pdev->dev; - dma_params.rxthresh = dma_params.dmaregs + CPDMA_RXTHRESH; - dma_params.rxfree = dma_params.dmaregs + CPDMA_RXFREE; - dma_params.rxhdp = dma_params.txhdp + CPDMA_RXHDP; - dma_params.txcp = dma_params.txhdp + CPDMA_TXCP; - dma_params.rxcp = dma_params.txhdp + CPDMA_RXCP; - - dma_params.num_chan = data->channels; - dma_params.has_soft_reset = true; - dma_params.min_packet_size = CPSW_MIN_PACKET_SIZE; - dma_params.desc_mem_size = data->bd_ram_size; - dma_params.desc_align = 16; - dma_params.has_ext_regs = true; - dma_params.desc_hw_addr = dma_params.desc_mem_phys; - dma_params.bus_freq_mhz = cpsw->bus_freq_mhz; - dma_params.descs_pool_size = descs_pool_size; - - cpsw->dma = cpdma_ctlr_create(&dma_params); - if (!cpsw->dma) { - dev_err(priv->dev, "error initializing dma\n"); - ret = -ENOMEM; - goto clean_dt_ret; + cpsw->rxv[0].ch = cpdma_chan_create(cpsw->dma, 0, cpsw_rx_handler, 1); + if (IS_ERR(cpsw->rxv[0].ch)) { + dev_err(dev, "error initializing rx dma channel\n"); + ret = PTR_ERR(cpsw->rxv[0].ch); + goto clean_cpts; } + cpsw_split_res(cpsw); - cpsw->txv[0].ch = cpdma_chan_create(cpsw->dma, 0, cpsw_tx_handler, 0); - cpsw->rxv[0].ch = cpdma_chan_create(cpsw->dma, 0, cpsw_rx_handler, 1); - if (WARN_ON(!cpsw->rxv[0].ch || !cpsw->txv[0].ch)) { - dev_err(priv->dev, "error initializing dma channels\n"); + /* setup netdev */ + ndev = devm_alloc_etherdev_mqs(dev, sizeof(struct cpsw_priv), + CPSW_MAX_QUEUES, CPSW_MAX_QUEUES); + if (!ndev) { + dev_err(dev, "error allocating net_device\n"); ret = -ENOMEM; - goto clean_dma_ret; + goto clean_cpts; } - ale_params.dev = &pdev->dev; - ale_params.ale_ageout = ale_ageout; - ale_params.ale_entries = data->ale_entries; - ale_params.ale_ports = data->slaves; - - cpsw->ale = cpsw_ale_create(&ale_params); - if (!cpsw->ale) { - dev_err(priv->dev, "error initializing ale engine\n"); - ret = -ENODEV; - goto clean_dma_ret; - } + priv = netdev_priv(ndev); + priv->cpsw = cpsw; + priv->ndev = ndev; + priv->dev = dev; + priv->msg_enable = netif_msg_init(debug_level, CPSW_DEBUG); + priv->emac_port = 0; - cpsw->cpts = cpts_create(cpsw->dev, cpts_regs, cpsw->dev->of_node); - if (IS_ERR(cpsw->cpts)) { - ret = PTR_ERR(cpsw->cpts); - goto clean_ale_ret; + if (is_valid_ether_addr(data->slave_data[0].mac_addr)) { + memcpy(priv->mac_addr, data->slave_data[0].mac_addr, ETH_ALEN); + dev_info(dev, "Detected MACID = %pM\n", priv->mac_addr); + } else { + eth_random_addr(priv->mac_addr); + dev_info(dev, "Random MACID = %pM\n", priv->mac_addr); } - ndev->irq = platform_get_irq(pdev, 1); - if (ndev->irq < 0) { - dev_err(priv->dev, "error getting irq resource\n"); - ret = ndev->irq; - goto clean_ale_ret; - } + eth_hw_addr_set(ndev, priv->mac_addr); - of_id = of_match_device(cpsw_of_mtable, &pdev->dev); - if (of_id) { - pdev->id_entry = of_id->data; - if (pdev->id_entry->driver_data) - cpsw->quirk_irq = true; - } + cpsw->slaves[0].ndev = ndev; - ndev->features |= NETIF_F_HW_VLAN_CTAG_FILTER; + ndev->features |= NETIF_F_HW_VLAN_CTAG_FILTER | NETIF_F_HW_VLAN_CTAG_RX; + ndev->xdp_features = NETDEV_XDP_ACT_BASIC | NETDEV_XDP_ACT_REDIRECT | + NETDEV_XDP_ACT_NDO_XMIT; + /* Hijack PHY timestamping requests in order to block them */ + if (!cpsw->data.dual_emac) + ndev->see_all_hwtstamp_requests = true; ndev->netdev_ops = &cpsw_netdev_ops; ndev->ethtool_ops = &cpsw_ethtool_ops; - netif_napi_add(ndev, &cpsw->napi_rx, cpsw_rx_poll, CPSW_POLL_WEIGHT); - netif_tx_napi_add(ndev, &cpsw->napi_tx, cpsw_tx_poll, CPSW_POLL_WEIGHT); - cpsw_split_res(ndev); + netif_napi_add(ndev, &cpsw->napi_rx, + cpsw->quirk_irq ? cpsw_rx_poll : cpsw_rx_mq_poll); + netif_napi_add_tx(ndev, &cpsw->napi_tx, + cpsw->quirk_irq ? cpsw_tx_poll : cpsw_tx_mq_poll); /* register the network device */ - SET_NETDEV_DEV(ndev, &pdev->dev); + SET_NETDEV_DEV(ndev, dev); + ndev->dev.of_node = cpsw->slaves[0].data->slave_node; ret = register_netdev(ndev); if (ret) { - dev_err(priv->dev, "error registering net device\n"); + dev_err(dev, "error registering net device\n"); ret = -ENODEV; - goto clean_ale_ret; + goto clean_cpts; } if (cpsw->data.dual_emac) { @@ -3121,40 +1705,38 @@ static int cpsw_probe(struct platform_device *pdev) * If anyone wants to implement support for those, make sure to * first request and append them to irqs_table array. */ - - /* RX IRQ */ - irq = platform_get_irq(pdev, 1); - if (irq < 0) { - ret = irq; - goto clean_ale_ret; + ret = devm_request_irq(dev, cpsw->irqs_table[0], cpsw_rx_interrupt, + 0, dev_name(dev), cpsw); + if (ret < 0) { + dev_err(dev, "error attaching irq (%d)\n", ret); + goto clean_unregister_netdev_ret; } - cpsw->irqs_table[0] = irq; - ret = devm_request_irq(&pdev->dev, irq, cpsw_rx_interrupt, + + ret = devm_request_irq(dev, cpsw->irqs_table[1], cpsw_tx_interrupt, 0, dev_name(&pdev->dev), cpsw); if (ret < 0) { - dev_err(priv->dev, "error attaching irq (%d)\n", ret); - goto clean_ale_ret; + dev_err(dev, "error attaching irq (%d)\n", ret); + goto clean_unregister_netdev_ret; } - /* TX IRQ */ - irq = platform_get_irq(pdev, 2); - if (irq < 0) { - ret = irq; - goto clean_ale_ret; - } + if (!cpsw->cpts) + goto skip_cpts; - cpsw->irqs_table[1] = irq; - ret = devm_request_irq(&pdev->dev, irq, cpsw_tx_interrupt, + ret = devm_request_irq(&pdev->dev, cpsw->misc_irq, cpsw_misc_interrupt, 0, dev_name(&pdev->dev), cpsw); if (ret < 0) { - dev_err(priv->dev, "error attaching irq (%d)\n", ret); - goto clean_ale_ret; + dev_err(dev, "error attaching misc irq (%d)\n", ret); + goto clean_unregister_netdev_ret; } + /* Enable misc CPTS evnt_pend IRQ */ + cpts_set_irqpoll(cpsw->cpts, false); + +skip_cpts: cpsw_notice(priv, probe, "initialized device (regs %pa, irq %d, pool size %d)\n", - &ss_res->start, ndev->irq, dma_params.descs_pool_size); + &ss_res->start, cpsw->irqs_table[0], descs_pool_size); pm_runtime_put(&pdev->dev); @@ -3162,66 +1744,57 @@ static int cpsw_probe(struct platform_device *pdev) clean_unregister_netdev_ret: unregister_netdev(ndev); -clean_ale_ret: - cpsw_ale_destroy(cpsw->ale); -clean_dma_ret: +clean_cpts: + cpts_release(cpsw->cpts); cpdma_ctlr_destroy(cpsw->dma); clean_dt_ret: cpsw_remove_dt(pdev); pm_runtime_put_sync(&pdev->dev); clean_runtime_disable_ret: pm_runtime_disable(&pdev->dev); -clean_ndev_ret: - free_netdev(priv->ndev); return ret; } -static int cpsw_remove(struct platform_device *pdev) +static void cpsw_remove(struct platform_device *pdev) { - struct net_device *ndev = platform_get_drvdata(pdev); - struct cpsw_common *cpsw = ndev_to_cpsw(ndev); - int ret; + struct cpsw_common *cpsw = platform_get_drvdata(pdev); + int i, ret; - ret = pm_runtime_get_sync(&pdev->dev); + ret = pm_runtime_resume_and_get(&pdev->dev); if (ret < 0) { - pm_runtime_put_noidle(&pdev->dev); - return ret; + /* Note, if this error path is taken, we're leaking some + * resources. + */ + dev_err(&pdev->dev, "Failed to resume device (%pe)\n", + ERR_PTR(ret)); + return; } - if (cpsw->data.dual_emac) - unregister_netdev(cpsw->slaves[1].ndev); - unregister_netdev(ndev); + for (i = 0; i < cpsw->data.slaves; i++) + if (cpsw->slaves[i].ndev) + unregister_netdev(cpsw->slaves[i].ndev); cpts_release(cpsw->cpts); - cpsw_ale_destroy(cpsw->ale); cpdma_ctlr_destroy(cpsw->dma); cpsw_remove_dt(pdev); pm_runtime_put_sync(&pdev->dev); pm_runtime_disable(&pdev->dev); - if (cpsw->data.dual_emac) - free_netdev(cpsw->slaves[1].ndev); - free_netdev(ndev); - return 0; } #ifdef CONFIG_PM_SLEEP static int cpsw_suspend(struct device *dev) { - struct platform_device *pdev = to_platform_device(dev); - struct net_device *ndev = platform_get_drvdata(pdev); - struct cpsw_common *cpsw = ndev_to_cpsw(ndev); + struct cpsw_common *cpsw = dev_get_drvdata(dev); + int i; - if (cpsw->data.dual_emac) { - int i; + rtnl_lock(); - for (i = 0; i < cpsw->data.slaves; i++) { + for (i = 0; i < cpsw->data.slaves; i++) + if (cpsw->slaves[i].ndev) if (netif_running(cpsw->slaves[i].ndev)) cpsw_ndo_stop(cpsw->slaves[i].ndev); - } - } else { - if (netif_running(ndev)) - cpsw_ndo_stop(ndev); - } + + rtnl_unlock(); /* Select sleep pin state */ pinctrl_pm_select_sleep_state(dev); @@ -3231,26 +1804,20 @@ static int cpsw_suspend(struct device *dev) static int cpsw_resume(struct device *dev) { - struct platform_device *pdev = to_platform_device(dev); - struct net_device *ndev = platform_get_drvdata(pdev); - struct cpsw_common *cpsw = ndev_to_cpsw(ndev); + struct cpsw_common *cpsw = dev_get_drvdata(dev); + int i; /* Select default pin state */ pinctrl_pm_select_default_state(dev); /* shut up ASSERT_RTNL() warning in netif_set_real_num_tx/rx_queues */ rtnl_lock(); - if (cpsw->data.dual_emac) { - int i; - for (i = 0; i < cpsw->data.slaves; i++) { + for (i = 0; i < cpsw->data.slaves; i++) + if (cpsw->slaves[i].ndev) if (netif_running(cpsw->slaves[i].ndev)) cpsw_ndo_open(cpsw->slaves[i].ndev); - } - } else { - if (netif_running(ndev)) - cpsw_ndo_open(ndev); - } + rtnl_unlock(); return 0; |