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path: root/drivers/net/ethernet/ti/cpsw.c
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Diffstat (limited to 'drivers/net/ethernet/ti/cpsw.c')
-rw-r--r--drivers/net/ethernet/ti/cpsw.c2826
1 files changed, 394 insertions, 2432 deletions
diff --git a/drivers/net/ethernet/ti/cpsw.c b/drivers/net/ethernet/ti/cpsw.c
index a591583d120e..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>
@@ -34,148 +27,26 @@
#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"
#include <net/pkt_sched.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 CPSW_ALE_PORTS_NUM 3
-#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_RX_VLAN_ENCAP_HDR_SIZE 4
-#define CPSW_MIN_PACKET_SIZE (VLAN_ETH_ZLEN)
-#define CPSW_MAX_PACKET_SIZE (VLAN_ETH_FRAME_LEN +\
- ETH_FCS_LEN +\
- CPSW_RX_VLAN_ENCAP_HDR_SIZE)
-
-#define RX_PRIORITY_MAPPING 0x76543210
-#define TX_PRIORITY_MAPPING 0x33221100
-#define CPDMA_TX_PRIORITY_MAP 0x76543210
-
-#define CPSW_VLAN_AWARE BIT(1)
-#define CPSW_RX_VLAN_ENCAP BIT(2)
-#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
-#define CPSW_FIFO_QUEUE_TYPE_SHIFT 16
-#define CPSW_FIFO_SHAPE_EN_SHIFT 16
-#define CPSW_FIFO_RATE_EN_SHIFT 20
-#define CPSW_TC_NUM 4
-#define CPSW_FIFO_SHAPERS_NUM (CPSW_TC_NUM - 1)
-#define CPSW_PCT_MASK 0x7f
-
-#define CPSW_RX_VLAN_ENCAP_HDR_PRIO_SHIFT 29
-#define CPSW_RX_VLAN_ENCAP_HDR_PRIO_MSK GENMASK(2, 0)
-#define CPSW_RX_VLAN_ENCAP_HDR_VID_SHIFT 16
-#define CPSW_RX_VLAN_ENCAP_HDR_PKT_TYPE_SHIFT 8
-#define CPSW_RX_VLAN_ENCAP_HDR_PKT_TYPE_MSK GENMASK(1, 0)
-enum {
- CPSW_RX_VLAN_ENCAP_HDR_PKT_VLAN_TAG = 0,
- CPSW_RX_VLAN_ENCAP_HDR_PKT_RESERV,
- CPSW_RX_VLAN_ENCAP_HDR_PKT_PRIO_TAG,
- CPSW_RX_VLAN_ENCAP_HDR_PKT_UNTAG,
-};
-
static int debug_level;
module_param(debug_level, int, 0);
MODULE_PARM_DESC(debug_level, "cpsw debug level (NETIF_MSG bits)");
@@ -192,369 +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 BIT(24) /* Pass Priority Tagged */
-#define VLAN_LTYPE2_EN BIT(21) /* VLAN LTYPE 2 enable */
-#define VLAN_LTYPE1_EN BIT(20) /* VLAN LTYPE 1 enable */
-#define DSCP_PRI_EN BIT(16) /* DSCP Priority Enable */
-#define TS_107 BIT(15) /* Tyme Sync Dest IP Address 107 */
-#define TS_320 BIT(14) /* Time Sync Dest Port 320 enable */
-#define TS_319 BIT(13) /* Time Sync Dest Port 319 enable */
-#define TS_132 BIT(12) /* Time Sync Dest IP Addr 132 enable */
-#define TS_131 BIT(11) /* Time Sync Dest IP Addr 131 enable */
-#define TS_130 BIT(10) /* Time Sync Dest IP Addr 130 enable */
-#define TS_129 BIT(9) /* Time Sync Dest IP Addr 129 enable */
-#define TS_TTL_NONZERO BIT(8) /* Time Sync Time To Live Non-zero enable */
-#define TS_ANNEX_F_EN BIT(6) /* Time Sync Annex F enable */
-#define TS_ANNEX_D_EN BIT(4) /* Time Sync Annex D enable */
-#define TS_LTYPE2_EN BIT(3) /* Time Sync LTYPE 2 enable */
-#define TS_LTYPE1_EN BIT(2) /* Time Sync LTYPE 1 enable */
-#define TS_TX_EN BIT(1) /* Time Sync Transmit Enable */
-#define TS_RX_EN BIT(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 | VLAN_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_107 | 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 | VLAN_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_data {
- struct device_node *phy_node;
- char phy_id[MII_BUS_ID_SIZE];
- int phy_if;
- u8 mac_addr[ETH_ALEN];
- u16 dual_emac_res_vlan; /* Reserved VLAN for DualEMAC */
- struct phy *ifphy;
-};
-
-struct cpsw_platform_data {
- struct cpsw_slave_data *slave_data;
- u32 ss_reg_ofs; /* Subsystem control register offset */
- u32 channels; /* number of cpdma channels (symmetric) */
- u32 slaves; /* number of slave cpgmac ports */
- u32 active_slave; /* time stamping, ethtool and SIOCGMIIPHY slave */
- u32 ale_entries; /* ale table size */
- u32 bd_ram_size; /*buffer descriptor ram size */
- u32 mac_control; /* Mac control register */
- u16 default_vlan; /* Def VLAN for ALE lookup in VLAN aware mode*/
- bool dual_emac; /* Enable Dual EMAC mode */
-};
-
-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 readl_relaxed(slave->regs + offset);
-}
-
-static inline void slave_write(struct cpsw_slave *slave, u32 val, u32 offset)
-{
- writel_relaxed(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;
- bool mqprio_hw;
- int fifo_bw[CPSW_TC_NUM];
- int shp_cfg_speed;
- int tx_ts_enabled;
- int rx_ts_enabled;
- 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, \
- FIELD_SIZEOF(struct cpsw_hw_stats, m), \
- offsetof(struct cpsw_hw_stats, m)
-#define CPDMA_RX_STAT(m) CPDMA_RX_STATS, \
- FIELD_SIZEOF(struct cpdma_chan_stats, m), \
- offsetof(struct cpdma_chan_stats, m)
-#define CPDMA_TX_STAT(m) CPDMA_TX_STATS, \
- FIELD_SIZEOF(struct cpdma_chan_stats, 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; \
@@ -569,14 +77,20 @@ static const struct cpsw_stats cpsw_gstrings_ch_stats[] = {
(func)(slave++, ##arg); \
} while (0)
-static int cpsw_ndo_vlan_rx_add_vid(struct net_device *ndev,
- __be16 proto, u16 vid);
+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);
@@ -653,13 +167,6 @@ static void cpsw_set_promiscious(struct net_device *ndev, bool enable)
}
}
-struct addr_sync_ctx {
- struct net_device *ndev;
- const u8 *addr; /* address to be synched */
- int consumed; /* number of address instances */
- int flush; /* flush flag */
-};
-
/**
* cpsw_set_mc - adds multicast entry to the table if it's not added or deletes
* if it's not deleted
@@ -800,12 +307,17 @@ static int cpsw_purge_all_mc(struct net_device *ndev, const u8 *addr, int num)
static void cpsw_ndo_set_rx_mode(struct net_device *ndev)
{
- struct cpsw_common *cpsw = ndev_to_cpsw(ndev);
+ struct cpsw_priv *priv = netdev_priv(ndev);
+ struct cpsw_common *cpsw = priv->cpsw;
+ int slave_port = -1;
+
+ if (cpsw->data.dual_emac)
+ slave_port = priv->emac_port + 1;
if (ndev->flags & IFF_PROMISC) {
/* Enable promiscuous mode */
cpsw_set_promiscious(ndev, true);
- cpsw_ale_set_allmulti(cpsw->ale, IFF_ALLMULTI);
+ cpsw_ale_set_allmulti(cpsw->ale, IFF_ALLMULTI, slave_port);
return;
} else {
/* Disable promiscuous mode */
@@ -813,112 +325,47 @@ static void cpsw_ndo_set_rx_mode(struct net_device *ndev)
}
/* Restore allmulti on vlans if necessary */
- cpsw_ale_set_allmulti(cpsw->ale, ndev->flags & IFF_ALLMULTI);
+ 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 void cpsw_intr_enable(struct cpsw_common *cpsw)
-{
- writel_relaxed(0xFF, &cpsw->wr_regs->tx_en);
- writel_relaxed(0xFF, &cpsw->wr_regs->rx_en);
-
- cpdma_ctlr_int_ctrl(cpsw->dma, true);
- return;
-}
-
-static void cpsw_intr_disable(struct cpsw_common *cpsw)
+static unsigned int cpsw_rxbuf_total_len(unsigned int len)
{
- writel_relaxed(0, &cpsw->wr_regs->tx_en);
- writel_relaxed(0, &cpsw->wr_regs->rx_en);
+ len += CPSW_HEADROOM_NA;
+ len += SKB_DATA_ALIGN(sizeof(struct skb_shared_info));
- cpdma_ctlr_int_ctrl(cpsw->dma, false);
- return;
-}
-
-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);
-
- /* 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);
-
- cpts_tx_timestamp(cpsw->cpts, skb);
- ndev->stats.tx_packets++;
- ndev->stats.tx_bytes += len;
- dev_kfree_skb_any(skb);
-}
-
-static void cpsw_rx_vlan_encap(struct sk_buff *skb)
-{
- struct cpsw_priv *priv = netdev_priv(skb->dev);
- struct cpsw_common *cpsw = priv->cpsw;
- u32 rx_vlan_encap_hdr = *((u32 *)skb->data);
- u16 vtag, vid, prio, pkt_type;
-
- /* Remove VLAN header encapsulation word */
- skb_pull(skb, CPSW_RX_VLAN_ENCAP_HDR_SIZE);
-
- pkt_type = (rx_vlan_encap_hdr >>
- CPSW_RX_VLAN_ENCAP_HDR_PKT_TYPE_SHIFT) &
- CPSW_RX_VLAN_ENCAP_HDR_PKT_TYPE_MSK;
- /* Ignore unknown & Priority-tagged packets*/
- if (pkt_type == CPSW_RX_VLAN_ENCAP_HDR_PKT_RESERV ||
- pkt_type == CPSW_RX_VLAN_ENCAP_HDR_PKT_PRIO_TAG)
- return;
-
- vid = (rx_vlan_encap_hdr >>
- CPSW_RX_VLAN_ENCAP_HDR_VID_SHIFT) &
- VLAN_VID_MASK;
- /* Ignore vid 0 and pass packet as is */
- if (!vid)
- return;
- /* Ignore default vlans in dual mac mode */
- if (cpsw->data.dual_emac &&
- vid == cpsw->slaves[priv->emac_port].port_vlan)
- return;
-
- prio = (rx_vlan_encap_hdr >>
- CPSW_RX_VLAN_ENCAP_HDR_PRIO_SHIFT) &
- CPSW_RX_VLAN_ENCAP_HDR_PRIO_MSK;
-
- vtag = (prio << VLAN_PRIO_SHIFT) | vid;
- __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), vtag);
-
- /* strip vlan tag for VLAN-tagged packet */
- if (pkt_type == CPSW_RX_VLAN_ENCAP_HDR_PKT_VLAN_TAG) {
- memmove(skb->data + VLAN_HLEN, skb->data, 2 * ETH_ALEN);
- skb_pull(skb, VLAN_HLEN);
- }
+ return SKB_DATA_ALIGN(len);
}
static void cpsw_rx_handler(void *token, int len, int status)
{
- struct cpdma_chan *ch;
- struct sk_buff *skb = token;
- struct sk_buff *new_skb;
- struct net_device *ndev = skb->dev;
- int ret = 0, port;
- struct cpsw_common *cpsw = ndev_to_cpsw(ndev);
+ 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) {
+ if (cpsw->data.dual_emac && status >= 0) {
port = CPDMA_RX_SOURCE_PORT(status);
- if (port) {
+ if (port)
ndev = cpsw->slaves[--port].ndev;
- skb->dev = ndev;
- }
}
+ 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 &&
@@ -927,317 +374,85 @@ static void cpsw_rx_handler(void *token, int len, int status)
* 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.
+ * DMA engine, requeue page back to cpdma.
*/
- new_skb = skb;
+ new_page = page;
goto requeue;
}
- /* the interface is going down, skbs are purged */
- dev_kfree_skb_any(skb);
+ /* the interface is going down, pages are purged */
+ page_pool_recycle_direct(pool, page);
return;
}
- 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);
- if (status & CPDMA_RX_VLAN_ENCAP)
- cpsw_rx_vlan_encap(skb);
- priv = netdev_priv(ndev);
- if (priv->rx_ts_enabled)
- 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 {
+ new_page = page_pool_dev_alloc_pages(pool);
+ if (unlikely(!new_page)) {
+ new_page = page;
ndev->stats.rx_dropped++;
- new_skb = skb;
+ goto requeue;
}
-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);
-}
+ if (priv->xdp_prog) {
+ int size = len;
-static void cpsw_split_res(struct net_device *ndev)
-{
- 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;
- }
-
- 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;
-
- /* 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;
-
- if (max_rate < consumed_rate)
- max_rate *= 10;
-
- 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);
- }
-
- /* 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;
- }
-
- 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);
+ 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;
}
- 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 (budget)
- cpsw->rxv[0].budget += budget;
-}
-
-static irqreturn_t cpsw_tx_interrupt(int irq, void *dev_id)
-{
- struct cpsw_common *cpsw = dev_id;
-
- writel(0, &cpsw->wr_regs->tx_en);
- cpdma_ctlr_eoi(cpsw->dma, CPDMA_EOI_TX);
-
- if (cpsw->quirk_irq) {
- disable_irq_nosync(cpsw->irqs_table[1]);
- cpsw->tx_irq_disabled = true;
- }
-
- napi_schedule(&cpsw->napi_tx);
- return IRQ_HANDLED;
-}
-
-static irqreturn_t cpsw_rx_interrupt(int irq, void *dev_id)
-{
- struct cpsw_common *cpsw = dev_id;
-
- cpdma_ctlr_eoi(cpsw->dma, CPDMA_EOI_RX);
- writel(0, &cpsw->wr_regs->rx_en);
+ xdp_prepare_buff(&xdp, pa, headroom, size, true);
- if (cpsw->quirk_irq) {
- disable_irq_nosync(cpsw->irqs_table[0]);
- cpsw->rx_irq_disabled = true;
- }
-
- napi_schedule(&cpsw->napi_rx);
- return IRQ_HANDLED;
-}
-
-static int cpsw_tx_mq_poll(struct napi_struct *napi_tx, int budget)
-{
- 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 & 0xff; ch_map <<= 1, ch++) {
- if (!(ch_map & 0x80))
- continue;
-
- txv = &cpsw->txv[ch];
- if (unlikely(txv->budget > budget - num_tx))
- cur_budget = budget - num_tx;
- else
- cur_budget = txv->budget;
+ 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;
- num_tx += cpdma_chan_process(txv->ch, cur_budget);
- if (num_tx >= budget)
- break;
- }
+ headroom = xdp.data - xdp.data_hard_start;
+ metasize = xdp.data - xdp.data_meta;
- if (num_tx < budget) {
- napi_complete(napi_tx);
- writel(0xff, &cpsw->wr_regs->tx_en);
+ /* XDP prog can modify vlan tag, so can't use encap header */
+ status &= ~CPDMA_RX_VLAN_ENCAP;
}
- return num_tx;
-}
-
-static int cpsw_tx_poll(struct napi_struct *napi_tx, int budget)
-{
- struct cpsw_common *cpsw = napi_to_cpsw(napi_tx);
- int num_tx;
-
- num_tx = cpdma_chan_process(cpsw->txv[0].ch, budget);
- if (num_tx < budget) {
- napi_complete(napi_tx);
- writel(0xff, &cpsw->wr_regs->tx_en);
- if (cpsw->tx_irq_disabled) {
- cpsw->tx_irq_disabled = false;
- enable_irq(cpsw->irqs_table[1]);
- }
+ /* 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;
}
- return num_tx;
-}
-
-static int cpsw_rx_mq_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;
+ 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);
- rxv = &cpsw->rxv[ch];
- if (unlikely(rxv->budget > budget - num_rx))
- cur_budget = budget - num_rx;
- else
- cur_budget = rxv->budget;
+ /* mark skb for recycling */
+ skb_mark_for_recycle(skb);
+ netif_receive_skb(skb);
- num_rx += cpdma_chan_process(rxv->ch, cur_budget);
- if (num_rx >= budget)
- break;
- }
+ ndev->stats.rx_bytes += len;
+ ndev->stats.rx_packets++;
- if (num_rx < budget) {
- napi_complete_done(napi_rx, num_rx);
- writel(0xff, &cpsw->wr_regs->rx_en);
- }
-
- return num_rx;
-}
-
-static int cpsw_rx_poll(struct napi_struct *napi_rx, int budget)
-{
- struct cpsw_common *cpsw = napi_to_cpsw(napi_rx);
- int num_rx;
+requeue:
+ xmeta = page_address(new_page) + CPSW_XMETA_OFFSET;
+ xmeta->ndev = ndev;
+ xmeta->ch = ch;
- num_rx = cpdma_chan_process(cpsw->rxv[0].ch, budget);
- if (num_rx < budget) {
- napi_complete_done(napi_rx, num_rx);
- writel(0xff, &cpsw->wr_regs->rx_en);
- if (cpsw->rx_irq_disabled) {
- cpsw->rx_irq_disabled = false;
- enable_irq(cpsw->irqs_table[0]);
- }
+ 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);
}
-
- return num_rx;
-}
-
-static inline void soft_reset(const char *module, void __iomem *reg)
-{
- unsigned long timeout = jiffies + HZ;
-
- writel_relaxed(1, reg);
- do {
- cpu_relax();
- } while ((readl_relaxed(reg) & 1) && time_after(timeout, jiffies));
-
- WARN(readl_relaxed(reg) & 1, "failed to soft-reset %s\n", module);
-}
-
-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);
-}
-
-static bool cpsw_shp_is_off(struct cpsw_priv *priv)
-{
- struct cpsw_common *cpsw = priv->cpsw;
- struct cpsw_slave *slave;
- u32 shift, mask, val;
-
- val = readl_relaxed(&cpsw->regs->ptype);
-
- slave = &cpsw->slaves[cpsw_slave_index(cpsw, priv)];
- shift = CPSW_FIFO_SHAPE_EN_SHIFT + 3 * slave->slave_num;
- mask = 7 << shift;
- val = val & mask;
-
- return !val;
-}
-
-static void cpsw_fifo_shp_on(struct cpsw_priv *priv, int fifo, int on)
-{
- struct cpsw_common *cpsw = priv->cpsw;
- struct cpsw_slave *slave;
- u32 shift, mask, val;
-
- val = readl_relaxed(&cpsw->regs->ptype);
-
- slave = &cpsw->slaves[cpsw_slave_index(cpsw, priv)];
- shift = CPSW_FIFO_SHAPE_EN_SHIFT + 3 * slave->slave_num;
- mask = (1 << --fifo) << shift;
- val = on ? val | mask : val & ~mask;
-
- writel_relaxed(val, &cpsw->regs->ptype);
}
static void _cpsw_adjust_link(struct cpsw_slave *slave,
@@ -1254,29 +469,32 @@ 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);
+ 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 |= BIT(18); /* In Band mode */
+ 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;
@@ -1290,52 +508,16 @@ static void _cpsw_adjust_link(struct cpsw_slave *slave,
/* 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);
- writel_relaxed(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)
@@ -1348,7 +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))
@@ -1359,167 +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 %ld: %s", rx_dir ? "Rx" : "Tx",
- (long)(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)
@@ -1542,24 +563,18 @@ static inline void cpsw_add_dual_emac_def_ale_entries(
ALE_PORT_DROP_UNKNOWN_VLAN, 1);
}
-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);
-}
-
static void cpsw_slave_open(struct cpsw_slave *slave, struct cpsw_priv *priv)
{
u32 slave_port;
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 */
- writel_relaxed(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:
@@ -1585,7 +600,8 @@ static void cpsw_slave_open(struct cpsw_slave *slave, struct cpsw_priv *priv)
}
/* setup max packet size, and mac address */
- writel_relaxed(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 */
@@ -1619,8 +635,12 @@ 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);
@@ -1670,7 +690,7 @@ 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);
@@ -1696,45 +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;
@@ -1748,222 +729,8 @@ 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);
-}
-
-static int cpsw_tc_to_fifo(int tc, int num_tc)
-{
- if (tc == num_tc - 1)
- return 0;
-
- return CPSW_FIFO_SHAPERS_NUM - tc;
-}
-
-static int cpsw_set_fifo_bw(struct cpsw_priv *priv, int fifo, int bw)
-{
- struct cpsw_common *cpsw = priv->cpsw;
- u32 val = 0, send_pct, shift;
- struct cpsw_slave *slave;
- int pct = 0, i;
-
- if (bw > priv->shp_cfg_speed * 1000)
- goto err;
-
- /* shaping has to stay enabled for highest fifos linearly
- * and fifo bw no more then interface can allow
- */
- slave = &cpsw->slaves[cpsw_slave_index(cpsw, priv)];
- send_pct = slave_read(slave, SEND_PERCENT);
- for (i = CPSW_FIFO_SHAPERS_NUM; i > 0; i--) {
- if (!bw) {
- if (i >= fifo || !priv->fifo_bw[i])
- continue;
-
- dev_warn(priv->dev, "Prev FIFO%d is shaped", i);
- continue;
- }
-
- if (!priv->fifo_bw[i] && i > fifo) {
- dev_err(priv->dev, "Upper FIFO%d is not shaped", i);
- return -EINVAL;
- }
-
- shift = (i - 1) * 8;
- if (i == fifo) {
- send_pct &= ~(CPSW_PCT_MASK << shift);
- val = DIV_ROUND_UP(bw, priv->shp_cfg_speed * 10);
- if (!val)
- val = 1;
-
- send_pct |= val << shift;
- pct += val;
- continue;
- }
-
- if (priv->fifo_bw[i])
- pct += (send_pct >> shift) & CPSW_PCT_MASK;
- }
-
- if (pct >= 100)
- goto err;
-
- slave_write(slave, send_pct, SEND_PERCENT);
- priv->fifo_bw[fifo] = bw;
-
- dev_warn(priv->dev, "set FIFO%d bw = %d\n", fifo,
- DIV_ROUND_CLOSEST(val * priv->shp_cfg_speed, 100));
-
- return 0;
-err:
- dev_err(priv->dev, "Bandwidth doesn't fit in tc configuration");
- return -EINVAL;
-}
-
-static int cpsw_set_fifo_rlimit(struct cpsw_priv *priv, int fifo, int bw)
-{
- struct cpsw_common *cpsw = priv->cpsw;
- struct cpsw_slave *slave;
- u32 tx_in_ctl_rg, val;
- int ret;
-
- ret = cpsw_set_fifo_bw(priv, fifo, bw);
- if (ret)
- return ret;
-
- slave = &cpsw->slaves[cpsw_slave_index(cpsw, priv)];
- tx_in_ctl_rg = cpsw->version == CPSW_VERSION_1 ?
- CPSW1_TX_IN_CTL : CPSW2_TX_IN_CTL;
-
- if (!bw)
- cpsw_fifo_shp_on(priv, fifo, bw);
-
- val = slave_read(slave, tx_in_ctl_rg);
- if (cpsw_shp_is_off(priv)) {
- /* disable FIFOs rate limited queues */
- val &= ~(0xf << CPSW_FIFO_RATE_EN_SHIFT);
-
- /* set type of FIFO queues to normal priority mode */
- val &= ~(3 << CPSW_FIFO_QUEUE_TYPE_SHIFT);
-
- /* set type of FIFO queues to be rate limited */
- if (bw)
- val |= 2 << CPSW_FIFO_QUEUE_TYPE_SHIFT;
- else
- priv->shp_cfg_speed = 0;
- }
-
- /* toggle a FIFO rate limited queue */
- if (bw)
- val |= BIT(fifo + CPSW_FIFO_RATE_EN_SHIFT);
- else
- val &= ~BIT(fifo + CPSW_FIFO_RATE_EN_SHIFT);
- slave_write(slave, val, tx_in_ctl_rg);
-
- /* FIFO transmit shape enable */
- cpsw_fifo_shp_on(priv, fifo, bw);
- return 0;
-}
-
-/* Defaults:
- * class A - prio 3
- * class B - prio 2
- * shaping for class A should be set first
- */
-static int cpsw_set_cbs(struct net_device *ndev,
- struct tc_cbs_qopt_offload *qopt)
-{
- struct cpsw_priv *priv = netdev_priv(ndev);
- struct cpsw_common *cpsw = priv->cpsw;
- struct cpsw_slave *slave;
- int prev_speed = 0;
- int tc, ret, fifo;
- u32 bw = 0;
-
- tc = netdev_txq_to_tc(priv->ndev, qopt->queue);
-
- /* enable channels in backward order, as highest FIFOs must be rate
- * limited first and for compliance with CPDMA rate limited channels
- * that also used in bacward order. FIFO0 cannot be rate limited.
- */
- fifo = cpsw_tc_to_fifo(tc, ndev->num_tc);
- if (!fifo) {
- dev_err(priv->dev, "Last tc%d can't be rate limited", tc);
- return -EINVAL;
- }
-
- /* do nothing, it's disabled anyway */
- if (!qopt->enable && !priv->fifo_bw[fifo])
- return 0;
-
- /* shapers can be set if link speed is known */
- slave = &cpsw->slaves[cpsw_slave_index(cpsw, priv)];
- if (slave->phy && slave->phy->link) {
- if (priv->shp_cfg_speed &&
- priv->shp_cfg_speed != slave->phy->speed)
- prev_speed = priv->shp_cfg_speed;
-
- priv->shp_cfg_speed = slave->phy->speed;
- }
-
- if (!priv->shp_cfg_speed) {
- dev_err(priv->dev, "Link speed is not known");
- return -1;
- }
-
- ret = pm_runtime_get_sync(cpsw->dev);
- if (ret < 0) {
- pm_runtime_put_noidle(cpsw->dev);
- return ret;
- }
-
- bw = qopt->enable ? qopt->idleslope : 0;
- ret = cpsw_set_fifo_rlimit(priv, fifo, bw);
- if (ret) {
- priv->shp_cfg_speed = prev_speed;
- prev_speed = 0;
- }
-
- if (bw && prev_speed)
- dev_warn(priv->dev,
- "Speed was changed, CBS shaper speeds are changed!");
-
- pm_runtime_put_sync(cpsw->dev);
- return ret;
-}
-
-static void cpsw_cbs_resume(struct cpsw_slave *slave, struct cpsw_priv *priv)
-{
- int fifo, bw;
-
- for (fifo = CPSW_FIFO_SHAPERS_NUM; fifo > 0; fifo--) {
- bw = priv->fifo_bw[fifo];
- if (!bw)
- continue;
-
- cpsw_set_fifo_rlimit(priv, fifo, bw);
- }
-}
-
-static void cpsw_mqprio_resume(struct cpsw_slave *slave, struct cpsw_priv *priv)
-{
- struct cpsw_common *cpsw = priv->cpsw;
- u32 tx_prio_map = 0;
- int i, tc, fifo;
- u32 tx_prio_rg;
-
- if (!priv->mqprio_hw)
- return;
-
- for (i = 0; i < 8; i++) {
- tc = netdev_get_prio_tc_map(priv->ndev, i);
- fifo = CPSW_FIFO_SHAPERS_NUM - tc;
- tx_prio_map |= fifo << (4 * i);
- }
-
- tx_prio_rg = cpsw->version == CPSW_VERSION_1 ?
- CPSW1_TX_PRI_MAP : CPSW2_TX_PRI_MAP;
-
- slave_write(slave, tx_prio_map, tx_prio_rg);
+ 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)
@@ -1997,11 +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);
@@ -2060,13 +825,23 @@ 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);
@@ -2076,7 +851,7 @@ static int cpsw_ndo_open(struct net_device *ndev)
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);
@@ -2086,7 +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);
@@ -2110,11 +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);
@@ -2131,7 +913,7 @@ 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;
@@ -2147,7 +929,9 @@ static netdev_tx_t cpsw_ndo_start_xmit(struct sk_buff *skb,
txch = cpsw->txv[q_idx].ch;
txq = netdev_get_tx_queue(ndev, q_idx);
- ret = cpsw_tx_packet_submit(priv, skb, txch);
+ 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;
@@ -2180,207 +964,6 @@ fail:
return NETDEV_TX_BUSY;
}
-#if IS_ENABLED(CONFIG_TI_CPTS)
-
-static void cpsw_hwtstamp_v1(struct cpsw_priv *priv)
-{
- struct cpsw_common *cpsw = priv->cpsw;
- struct cpsw_slave *slave = &cpsw->slaves[cpsw->data.active_slave];
- u32 ts_en, seq_id;
-
- if (!priv->tx_ts_enabled && !priv->rx_ts_enabled) {
- 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 (priv->tx_ts_enabled)
- ts_en |= CPSW_V1_TS_TX_EN;
-
- if (priv->rx_ts_enabled)
- 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 (priv->tx_ts_enabled)
- ctrl |= CTRL_V2_TX_TS_BITS;
-
- if (priv->rx_ts_enabled)
- ctrl |= CTRL_V2_RX_TS_BITS;
- break;
- case CPSW_VERSION_3:
- default:
- ctrl &= ~CTRL_V3_ALL_TS_MASK;
-
- if (priv->tx_ts_enabled)
- ctrl |= CTRL_V3_TX_TS_BITS;
-
- if (priv->rx_ts_enabled)
- 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);
- writel_relaxed(ETH_P_1588, &cpsw->regs->ts_ltype);
- writel_relaxed(ETH_P_8021Q, &cpsw->regs->vlan_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;
-
- 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:
- priv->rx_ts_enabled = 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:
- priv->rx_ts_enabled = 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:
- priv->rx_ts_enabled = HWTSTAMP_FILTER_PTP_V2_EVENT;
- cfg.rx_filter = HWTSTAMP_FILTER_PTP_V2_EVENT;
- break;
- default:
- return -ERANGE;
- }
-
- priv->tx_ts_enabled = cfg.tx_type == HWTSTAMP_TX_ON;
-
- switch (cpsw->version) {
- case CPSW_VERSION_1:
- cpsw_hwtstamp_v1(priv);
- 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 cpsw_priv *priv = netdev_priv(dev);
- 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 = priv->tx_ts_enabled ? HWTSTAMP_TX_ON : HWTSTAMP_TX_OFF;
- cfg.rx_filter = priv->rx_ts_enabled;
-
- 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);
-}
-
-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);
- }
-
- cpsw_intr_enable(cpsw);
- netif_trans_update(ndev);
- netif_tx_wake_all_queues(ndev);
-}
-
static int cpsw_ndo_set_mac_address(struct net_device *ndev, void *p)
{
struct cpsw_priv *priv = netdev_priv(ndev);
@@ -2393,11 +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;
@@ -2410,7 +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);
@@ -2418,18 +999,6 @@ 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)
{
@@ -2489,11 +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
@@ -2527,11 +1094,9 @@ 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;
@@ -2548,133 +1113,68 @@ static int cpsw_ndo_vlan_rx_kill_vid(struct net_device *ndev,
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, 0, 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);
-
- if (ret)
- return ret;
-
- /* update rates for slaves tx queues */
- for (i = 0; i < cpsw->data.slaves; i++) {
- slave = &cpsw->slaves[i];
- if (!slave->ndev)
- continue;
+ return nxmit;
+}
- netdev_get_tx_queue(slave->ndev, queue)->tx_maxrate = rate;
- }
+#ifdef CONFIG_NET_POLL_CONTROLLER
+static void cpsw_ndo_poll_controller(struct net_device *ndev)
+{
+ struct cpsw_common *cpsw = ndev_to_cpsw(ndev);
- cpsw_split_res(ndev);
- return ret;
+ 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 int cpsw_set_mqprio(struct net_device *ndev, void *type_data)
+/* 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 tc_mqprio_qopt_offload *mqprio = type_data;
- struct cpsw_priv *priv = netdev_priv(ndev);
+ struct cpsw_priv *priv = netdev_priv(dev);
struct cpsw_common *cpsw = priv->cpsw;
- int fifo, num_tc, count, offset;
- struct cpsw_slave *slave;
- u32 tx_prio_map = 0;
- int i, tc, ret;
-
- num_tc = mqprio->qopt.num_tc;
- if (num_tc > CPSW_TC_NUM)
- return -EINVAL;
+ int slave_no = cpsw_slave_index(cpsw, priv);
+ struct phy_device *phy;
- if (mqprio->mode != TC_MQPRIO_MODE_DCB)
+ if (!netif_running(dev))
return -EINVAL;
- ret = pm_runtime_get_sync(cpsw->dev);
- if (ret < 0) {
- pm_runtime_put_noidle(cpsw->dev);
- return ret;
- }
+ phy = cpsw->slaves[slave_no].phy;
+ if (phy)
+ return phy_mii_ioctl(phy, req, cmd);
- if (num_tc) {
- for (i = 0; i < 8; i++) {
- tc = mqprio->qopt.prio_tc_map[i];
- fifo = cpsw_tc_to_fifo(tc, num_tc);
- tx_prio_map |= fifo << (4 * i);
- }
-
- netdev_set_num_tc(ndev, num_tc);
- for (i = 0; i < num_tc; i++) {
- count = mqprio->qopt.count[i];
- offset = mqprio->qopt.offset[i];
- netdev_set_tc_queue(ndev, i, count, offset);
- }
- }
-
- if (!mqprio->qopt.hw) {
- /* restore default configuration */
- netdev_reset_tc(ndev);
- tx_prio_map = TX_PRIORITY_MAPPING;
- }
-
- priv->mqprio_hw = mqprio->qopt.hw;
-
- offset = cpsw->version == CPSW_VERSION_1 ?
- CPSW1_TX_PRI_MAP : CPSW2_TX_PRI_MAP;
-
- slave = &cpsw->slaves[cpsw_slave_index(cpsw, priv)];
- slave_write(slave, tx_prio_map, offset);
-
- pm_runtime_put_sync(cpsw->dev);
-
- return 0;
-}
-
-static int cpsw_ndo_setup_tc(struct net_device *ndev, enum tc_setup_type type,
- void *type_data)
-{
- switch (type) {
- case TC_SETUP_QDISC_CBS:
- return cpsw_set_cbs(ndev, type_data);
-
- case TC_SETUP_QDISC_MQPRIO:
- return cpsw_set_mqprio(ndev, type_data);
-
- default:
- return -EOPNOTSUPP;
- }
+ return -EOPNOTSUPP;
}
static const struct net_device_ops cpsw_netdev_ops = {
@@ -2682,7 +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,
@@ -2693,149 +1193,21 @@ static const struct net_device_ops cpsw_netdev_ops = {
.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,
@@ -2851,319 +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_rx = cpsw->quirk_irq ? 1 : CPSW_MAX_QUEUES;
- ch->max_tx = cpsw->quirk_irq ? 1 : CPSW_MAX_QUEUES;
- ch->max_combined = 0;
- 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 (cpsw->quirk_irq) {
- dev_err(cpsw->dev, "Maximum one tx/rx queue is allowed");
- return -EOPNOTSUPP;
- }
-
- 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)
-{
- struct cpsw_common *cpsw = priv->cpsw;
- void (*handler)(void *, int, int);
- struct netdev_queue *queue;
- struct cpsw_vector *vec;
- int ret, *ch, vch;
-
- if (rx) {
- ch = &cpsw->rx_ch_num;
- vec = cpsw->rxv;
- handler = cpsw_rx_handler;
- } else {
- ch = &cpsw->tx_ch_num;
- vec = cpsw->txv;
- handler = cpsw_tx_handler;
- }
-
- while (*ch < ch_num) {
- vch = rx ? *ch : 7 - *ch;
- vec[*ch].ch = cpdma_chan_create(cpsw->dma, vch, 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,
@@ -3187,25 +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)
{
@@ -3242,12 +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;
@@ -3261,7 +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...
@@ -3273,7 +1320,6 @@ 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;
@@ -3288,9 +1334,10 @@ static int cpsw_probe_dt(struct cpsw_platform_data *data,
ret = PTR_ERR(slave_data->ifphy);
dev_err(&pdev->dev,
"%d: Error retrieving port phy: %d\n", i, ret);
- return 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);
@@ -3304,9 +1351,8 @@ static int cpsw_probe_dt(struct cpsw_platform_data *data,
*/
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) {
@@ -3324,7 +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);
@@ -3335,22 +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",
@@ -3365,17 +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;
@@ -3393,8 +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);
@@ -3408,7 +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;
@@ -3430,23 +1483,23 @@ static int cpsw_probe_dual_emac(struct cpsw_priv *priv)
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 | 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;
}
@@ -3467,253 +1520,174 @@ static const struct soc_device_attribute cpsw_soc_devices[] = {
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;
+ 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, ch;
+ 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;
+ platform_set_drvdata(pdev, cpsw);
+ cpsw_slave_index = cpsw_slave_index_priv;
- 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, 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_kcalloc(&pdev->dev,
+ 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;
+ cpsw->rx_packet_max = max(rx_packet_max, CPSW_MAX_PACKET_SIZE);
+ cpsw->descs_pool_size = descs_pool_size;
- 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;
-
- 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;
- }
-
- 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;
- }
-
- soc = soc_device_match(cpsw_soc_devices);
- if (soc)
- cpsw->quirk_irq = 1;
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(priv->dev, "error initializing tx dma channel\n");
+ dev_err(dev, "error initializing tx dma channel\n");
ret = PTR_ERR(cpsw->txv[0].ch);
- goto clean_dma_ret;
+ goto clean_cpts;
}
cpsw->rxv[0].ch = cpdma_chan_create(cpsw->dma, 0, cpsw_rx_handler, 1);
if (IS_ERR(cpsw->rxv[0].ch)) {
- dev_err(priv->dev, "error initializing rx dma channel\n");
+ dev_err(dev, "error initializing rx dma channel\n");
ret = PTR_ERR(cpsw->rxv[0].ch);
- goto clean_dma_ret;
+ goto clean_cpts;
}
+ cpsw_split_res(cpsw);
- ale_params.dev = &pdev->dev;
- ale_params.ale_ageout = ale_ageout;
- ale_params.ale_entries = data->ale_entries;
- ale_params.ale_ports = CPSW_ALE_PORTS_NUM;
-
- 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;
+ /* 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_cpts;
}
- cpsw->cpts = cpts_create(cpsw->dev, cpts_regs, cpsw->dev->of_node);
- if (IS_ERR(cpsw->cpts)) {
- ret = PTR_ERR(cpsw->cpts);
- 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;
- 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_dma_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);
}
+ eth_hw_addr_set(ndev, priv->mac_addr);
+
+ cpsw->slaves[0].ndev = ndev;
+
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->quirk_irq ? cpsw_rx_poll : cpsw_rx_mq_poll,
- CPSW_POLL_WEIGHT);
- netif_tx_napi_add(ndev, &cpsw->napi_tx,
- cpsw->quirk_irq ? cpsw_tx_poll : cpsw_tx_mq_poll,
- CPSW_POLL_WEIGHT);
- cpsw_split_res(ndev);
+ 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_dma_ret;
+ goto clean_cpts;
}
if (cpsw->data.dual_emac) {
@@ -3731,40 +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_dma_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_dma_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_dma_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_dma_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);
@@ -3772,62 +1744,57 @@ static int cpsw_probe(struct platform_device *pdev)
clean_unregister_netdev_ret:
unregister_netdev(ndev);
-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);
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 net_device *ndev = dev_get_drvdata(dev);
- 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);
@@ -3837,25 +1804,20 @@ static int cpsw_suspend(struct device *dev)
static int cpsw_resume(struct device *dev)
{
- struct net_device *ndev = dev_get_drvdata(dev);
- 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;
generated by cgit (git 2.34.1) at 2025-12-25 19:46:21 +0000