diff options
Diffstat (limited to 'drivers/net/ethernet/sfc')
| -rw-r--r-- | drivers/net/ethernet/sfc/ef10_sriov.c | 66 | ||||
| -rw-r--r-- | drivers/net/ethernet/sfc/efx.c | 1 | ||||
| -rw-r--r-- | drivers/net/ethernet/sfc/efx.h | 18 | ||||
| -rw-r--r-- | drivers/net/ethernet/sfc/efx_channels.c | 25 | ||||
| -rw-r--r-- | drivers/net/ethernet/sfc/efx_common.c | 9 | ||||
| -rw-r--r-- | drivers/net/ethernet/sfc/ethtool.c | 42 | ||||
| -rw-r--r-- | drivers/net/ethernet/sfc/falcon/ethtool.c | 6 | ||||
| -rw-r--r-- | drivers/net/ethernet/sfc/falcon/falcon_boards.c | 6 | ||||
| -rw-r--r-- | drivers/net/ethernet/sfc/falcon/net_driver.h | 2 | ||||
| -rw-r--r-- | drivers/net/ethernet/sfc/mcdi.c | 32 | ||||
| -rw-r--r-- | drivers/net/ethernet/sfc/net_driver.h | 8 | ||||
| -rw-r--r-- | drivers/net/ethernet/sfc/rx.c | 2 | ||||
| -rw-r--r-- | drivers/net/ethernet/sfc/rx_common.c | 6 | ||||
| -rw-r--r-- | drivers/net/ethernet/sfc/tx.c | 3 |
14 files changed, 152 insertions, 74 deletions
diff --git a/drivers/net/ethernet/sfc/ef10_sriov.c b/drivers/net/ethernet/sfc/ef10_sriov.c index 14393767ef9f..4580b30caae1 100644 --- a/drivers/net/ethernet/sfc/ef10_sriov.c +++ b/drivers/net/ethernet/sfc/ef10_sriov.c @@ -685,10 +685,70 @@ reset_nic: return rc ? rc : rc2; } -int efx_ef10_sriov_set_vf_spoofchk(struct efx_nic *efx, int vf_i, - bool spoofchk) +static int efx_ef10_sriov_set_privilege_mask(struct efx_nic *efx, int vf_i, + u32 mask, u32 value) { - return spoofchk ? -EOPNOTSUPP : 0; + MCDI_DECLARE_BUF(pm_outbuf, MC_CMD_PRIVILEGE_MASK_OUT_LEN); + MCDI_DECLARE_BUF(pm_inbuf, MC_CMD_PRIVILEGE_MASK_IN_LEN); + struct efx_ef10_nic_data *nic_data = efx->nic_data; + u32 old_mask, new_mask; + size_t outlen; + int rc; + + EFX_WARN_ON_PARANOID((value & ~mask) != 0); + + /* Get privilege mask */ + MCDI_POPULATE_DWORD_2(pm_inbuf, PRIVILEGE_MASK_IN_FUNCTION, + PRIVILEGE_MASK_IN_FUNCTION_PF, nic_data->pf_index, + PRIVILEGE_MASK_IN_FUNCTION_VF, vf_i); + + rc = efx_mcdi_rpc(efx, MC_CMD_PRIVILEGE_MASK, + pm_inbuf, sizeof(pm_inbuf), + pm_outbuf, sizeof(pm_outbuf), &outlen); + + if (rc != 0) + return rc; + if (outlen != MC_CMD_PRIVILEGE_MASK_OUT_LEN) + return -EIO; + + old_mask = MCDI_DWORD(pm_outbuf, PRIVILEGE_MASK_OUT_OLD_MASK); + + new_mask = old_mask & ~mask; + new_mask |= value; + + if (new_mask == old_mask) + return 0; + + new_mask |= MC_CMD_PRIVILEGE_MASK_IN_DO_CHANGE; + + /* Set privilege mask */ + MCDI_SET_DWORD(pm_inbuf, PRIVILEGE_MASK_IN_NEW_MASK, new_mask); + + rc = efx_mcdi_rpc(efx, MC_CMD_PRIVILEGE_MASK, + pm_inbuf, sizeof(pm_inbuf), + pm_outbuf, sizeof(pm_outbuf), &outlen); + + if (rc != 0) + return rc; + if (outlen != MC_CMD_PRIVILEGE_MASK_OUT_LEN) + return -EIO; + + return 0; +} + +int efx_ef10_sriov_set_vf_spoofchk(struct efx_nic *efx, int vf_i, bool spoofchk) +{ + struct efx_ef10_nic_data *nic_data = efx->nic_data; + + /* Can't enable spoofchk if firmware doesn't support it. */ + if (!(nic_data->datapath_caps & + BIT(MC_CMD_GET_CAPABILITIES_OUT_TX_MAC_SECURITY_FILTERING_LBN)) && + spoofchk) + return -EOPNOTSUPP; + + return efx_ef10_sriov_set_privilege_mask(efx, vf_i, + MC_CMD_PRIVILEGE_MASK_IN_GRP_MAC_SPOOFING_TX, + spoofchk ? 0 : MC_CMD_PRIVILEGE_MASK_IN_GRP_MAC_SPOOFING_TX); } int efx_ef10_sriov_set_vf_link_state(struct efx_nic *efx, int vf_i, diff --git a/drivers/net/ethernet/sfc/efx.c b/drivers/net/ethernet/sfc/efx.c index 4481f21a1f43..256807c28ff7 100644 --- a/drivers/net/ethernet/sfc/efx.c +++ b/drivers/net/ethernet/sfc/efx.c @@ -113,7 +113,6 @@ MODULE_PARM_DESC(debug, "Bitmapped debugging message enable value"); * *************************************************************************/ -static const struct efx_channel_type efx_default_channel_type; static void efx_remove_port(struct efx_nic *efx); static int efx_xdp_setup_prog(struct efx_nic *efx, struct bpf_prog *prog); static int efx_xdp(struct net_device *dev, struct netdev_bpf *xdp); diff --git a/drivers/net/ethernet/sfc/efx.h b/drivers/net/ethernet/sfc/efx.h index 95395d67ea2d..66dcab140449 100644 --- a/drivers/net/ethernet/sfc/efx.h +++ b/drivers/net/ethernet/sfc/efx.h @@ -151,24 +151,6 @@ static inline s32 efx_filter_get_rx_ids(struct efx_nic *efx, int efx_filter_rfs(struct net_device *net_dev, const struct sk_buff *skb, u16 rxq_index, u32 flow_id); bool __efx_filter_rfs_expire(struct efx_channel *channel, unsigned int quota); -static inline void efx_filter_rfs_expire(struct work_struct *data) -{ - struct delayed_work *dwork = to_delayed_work(data); - struct efx_channel *channel; - unsigned int time, quota; - - channel = container_of(dwork, struct efx_channel, filter_work); - time = jiffies - channel->rfs_last_expiry; - quota = channel->rfs_filter_count * time / (30 * HZ); - if (quota > 20 && __efx_filter_rfs_expire(channel, min(channel->rfs_filter_count, quota))) - channel->rfs_last_expiry += time; - /* Ensure we do more work eventually even if NAPI poll is not happening */ - schedule_delayed_work(dwork, 30 * HZ); -} -#define efx_filter_rfs_enabled() 1 -#else -static inline void efx_filter_rfs_expire(struct work_struct *data) {} -#define efx_filter_rfs_enabled() 0 #endif /* RSS contexts */ diff --git a/drivers/net/ethernet/sfc/efx_channels.c b/drivers/net/ethernet/sfc/efx_channels.c index 73d4e39b5b16..c492523b986c 100644 --- a/drivers/net/ethernet/sfc/efx_channels.c +++ b/drivers/net/ethernet/sfc/efx_channels.c @@ -485,6 +485,23 @@ void efx_remove_eventq(struct efx_channel *channel) * *************************************************************************/ +#ifdef CONFIG_RFS_ACCEL +static void efx_filter_rfs_expire(struct work_struct *data) +{ + struct delayed_work *dwork = to_delayed_work(data); + struct efx_channel *channel; + unsigned int time, quota; + + channel = container_of(dwork, struct efx_channel, filter_work); + time = jiffies - channel->rfs_last_expiry; + quota = channel->rfs_filter_count * time / (30 * HZ); + if (quota >= 20 && __efx_filter_rfs_expire(channel, min(channel->rfs_filter_count, quota))) + channel->rfs_last_expiry += time; + /* Ensure we do more work eventually even if NAPI poll is not happening */ + schedule_delayed_work(dwork, 30 * HZ); +} +#endif + /* Allocate and initialise a channel structure. */ struct efx_channel * efx_alloc_channel(struct efx_nic *efx, int i, struct efx_channel *old_channel) @@ -1167,6 +1184,9 @@ static int efx_poll(struct napi_struct *napi, int budget) struct efx_channel *channel = container_of(napi, struct efx_channel, napi_str); struct efx_nic *efx = channel->efx; +#ifdef CONFIG_RFS_ACCEL + unsigned int time; +#endif int spent; netif_vdbg(efx, intr, efx->net_dev, @@ -1186,7 +1206,10 @@ static int efx_poll(struct napi_struct *napi, int budget) #ifdef CONFIG_RFS_ACCEL /* Perhaps expire some ARFS filters */ - mod_delayed_work(system_wq, &channel->filter_work, 0); + time = jiffies - channel->rfs_last_expiry; + /* Would our quota be >= 20? */ + if (channel->rfs_filter_count * time >= 600 * HZ) + mod_delayed_work(system_wq, &channel->filter_work, 0); #endif /* There is no race here; although napi_disable() will diff --git a/drivers/net/ethernet/sfc/efx_common.c b/drivers/net/ethernet/sfc/efx_common.c index b0d76bc19673..1799ff9a45d9 100644 --- a/drivers/net/ethernet/sfc/efx_common.c +++ b/drivers/net/ethernet/sfc/efx_common.c @@ -200,11 +200,11 @@ void efx_link_status_changed(struct efx_nic *efx) unsigned int efx_xdp_max_mtu(struct efx_nic *efx) { /* The maximum MTU that we can fit in a single page, allowing for - * framing, overhead and XDP headroom. + * framing, overhead and XDP headroom + tailroom. */ int overhead = EFX_MAX_FRAME_LEN(0) + sizeof(struct efx_rx_page_state) + efx->rx_prefix_size + efx->type->rx_buffer_padding + - efx->rx_ip_align + XDP_PACKET_HEADROOM; + efx->rx_ip_align + EFX_XDP_HEADROOM + EFX_XDP_TAILROOM; return PAGE_SIZE - overhead; } @@ -302,8 +302,9 @@ static void efx_start_datapath(struct efx_nic *efx) efx->rx_dma_len = (efx->rx_prefix_size + EFX_MAX_FRAME_LEN(efx->net_dev->mtu) + efx->type->rx_buffer_padding); - rx_buf_len = (sizeof(struct efx_rx_page_state) + XDP_PACKET_HEADROOM + - efx->rx_ip_align + efx->rx_dma_len); + rx_buf_len = (sizeof(struct efx_rx_page_state) + EFX_XDP_HEADROOM + + efx->rx_ip_align + efx->rx_dma_len + EFX_XDP_TAILROOM); + if (rx_buf_len <= PAGE_SIZE) { efx->rx_scatter = efx->type->always_rx_scatter; efx->rx_buffer_order = 0; diff --git a/drivers/net/ethernet/sfc/ethtool.c b/drivers/net/ethernet/sfc/ethtool.c index 993b5769525b..04e88d05e8ff 100644 --- a/drivers/net/ethernet/sfc/ethtool.c +++ b/drivers/net/ethernet/sfc/ethtool.c @@ -232,9 +232,6 @@ static int efx_ethtool_set_coalesce(struct net_device *net_dev, bool adaptive, rx_may_override_tx; int rc; - if (coalesce->use_adaptive_tx_coalesce) - return -EINVAL; - efx_get_irq_moderation(efx, &tx_usecs, &rx_usecs, &adaptive); if (coalesce->rx_coalesce_usecs != rx_usecs) @@ -582,6 +579,7 @@ efx_ethtool_get_rxnfc(struct net_device *net_dev, case ETHTOOL_GRXFH: { struct efx_rss_context *ctx = &efx->rss_context; + __u64 data; mutex_lock(&efx->rss_lock); if (info->flow_type & FLOW_RSS && info->rss_context) { @@ -591,35 +589,38 @@ efx_ethtool_get_rxnfc(struct net_device *net_dev, goto out_unlock; } } - info->data = 0; + + data = 0; if (!efx_rss_active(ctx)) /* No RSS */ - goto out_unlock; + goto out_setdata_unlock; + switch (info->flow_type & ~FLOW_RSS) { case UDP_V4_FLOW: - if (ctx->rx_hash_udp_4tuple) - /* fall through */ - case TCP_V4_FLOW: - info->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3; - /* fall through */ - case SCTP_V4_FLOW: - case AH_ESP_V4_FLOW: - case IPV4_FLOW: - info->data |= RXH_IP_SRC | RXH_IP_DST; - break; case UDP_V6_FLOW: if (ctx->rx_hash_udp_4tuple) - /* fall through */ + data = (RXH_L4_B_0_1 | RXH_L4_B_2_3 | + RXH_IP_SRC | RXH_IP_DST); + else + data = RXH_IP_SRC | RXH_IP_DST; + break; + case TCP_V4_FLOW: case TCP_V6_FLOW: - info->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3; - /* fall through */ + data = (RXH_L4_B_0_1 | RXH_L4_B_2_3 | + RXH_IP_SRC | RXH_IP_DST); + break; + case SCTP_V4_FLOW: case SCTP_V6_FLOW: + case AH_ESP_V4_FLOW: case AH_ESP_V6_FLOW: + case IPV4_FLOW: case IPV6_FLOW: - info->data |= RXH_IP_SRC | RXH_IP_DST; + data = RXH_IP_SRC | RXH_IP_DST; break; default: break; } +out_setdata_unlock: + info->data = data; out_unlock: mutex_unlock(&efx->rss_lock); return rc; @@ -1134,6 +1135,9 @@ static int efx_ethtool_set_fecparam(struct net_device *net_dev, } const struct ethtool_ops efx_ethtool_ops = { + .supported_coalesce_params = ETHTOOL_COALESCE_USECS | + ETHTOOL_COALESCE_USECS_IRQ | + ETHTOOL_COALESCE_USE_ADAPTIVE_RX, .get_drvinfo = efx_ethtool_get_drvinfo, .get_regs_len = efx_ethtool_get_regs_len, .get_regs = efx_ethtool_get_regs, diff --git a/drivers/net/ethernet/sfc/falcon/ethtool.c b/drivers/net/ethernet/sfc/falcon/ethtool.c index 08bd6a321918..db90d94e24c9 100644 --- a/drivers/net/ethernet/sfc/falcon/ethtool.c +++ b/drivers/net/ethernet/sfc/falcon/ethtool.c @@ -603,9 +603,6 @@ static int ef4_ethtool_set_coalesce(struct net_device *net_dev, bool adaptive, rx_may_override_tx; int rc; - if (coalesce->use_adaptive_tx_coalesce) - return -EINVAL; - ef4_get_irq_moderation(efx, &tx_usecs, &rx_usecs, &adaptive); if (coalesce->rx_coalesce_usecs != rx_usecs) @@ -1311,6 +1308,9 @@ static int ef4_ethtool_get_module_info(struct net_device *net_dev, } const struct ethtool_ops ef4_ethtool_ops = { + .supported_coalesce_params = ETHTOOL_COALESCE_USECS | + ETHTOOL_COALESCE_USECS_IRQ | + ETHTOOL_COALESCE_USE_ADAPTIVE_RX, .get_drvinfo = ef4_ethtool_get_drvinfo, .get_regs_len = ef4_ethtool_get_regs_len, .get_regs = ef4_ethtool_get_regs, diff --git a/drivers/net/ethernet/sfc/falcon/falcon_boards.c b/drivers/net/ethernet/sfc/falcon/falcon_boards.c index 605f486fa675..729a05c1b0cf 100644 --- a/drivers/net/ethernet/sfc/falcon/falcon_boards.c +++ b/drivers/net/ethernet/sfc/falcon/falcon_boards.c @@ -88,11 +88,11 @@ static int ef4_init_lm87(struct ef4_nic *efx, const struct i2c_board_info *info, const u8 *reg_values) { struct falcon_board *board = falcon_board(efx); - struct i2c_client *client = i2c_new_device(&board->i2c_adap, info); + struct i2c_client *client = i2c_new_client_device(&board->i2c_adap, info); int rc; - if (!client) - return -EIO; + if (IS_ERR(client)) + return PTR_ERR(client); /* Read-to-clear alarm/interrupt status */ i2c_smbus_read_byte_data(client, LM87_REG_ALARMS1); diff --git a/drivers/net/ethernet/sfc/falcon/net_driver.h b/drivers/net/ethernet/sfc/falcon/net_driver.h index a49ea2e719b6..a529ff395ead 100644 --- a/drivers/net/ethernet/sfc/falcon/net_driver.h +++ b/drivers/net/ethernet/sfc/falcon/net_driver.h @@ -288,7 +288,7 @@ struct ef4_rx_buffer { struct ef4_rx_page_state { dma_addr_t dma_addr; - unsigned int __pad[0] ____cacheline_aligned; + unsigned int __pad[] ____cacheline_aligned; }; /** diff --git a/drivers/net/ethernet/sfc/mcdi.c b/drivers/net/ethernet/sfc/mcdi.c index 2713300343c7..15c731d04065 100644 --- a/drivers/net/ethernet/sfc/mcdi.c +++ b/drivers/net/ethernet/sfc/mcdi.c @@ -212,12 +212,14 @@ static void efx_mcdi_send_request(struct efx_nic *efx, unsigned cmd, * progress on a NIC at any one time. So no need for locking. */ for (i = 0; i < hdr_len / 4 && bytes < PAGE_SIZE; i++) - bytes += snprintf(buf + bytes, PAGE_SIZE - bytes, - " %08x", le32_to_cpu(hdr[i].u32[0])); + bytes += scnprintf(buf + bytes, PAGE_SIZE - bytes, + " %08x", + le32_to_cpu(hdr[i].u32[0])); for (i = 0; i < inlen / 4 && bytes < PAGE_SIZE; i++) - bytes += snprintf(buf + bytes, PAGE_SIZE - bytes, - " %08x", le32_to_cpu(inbuf[i].u32[0])); + bytes += scnprintf(buf + bytes, PAGE_SIZE - bytes, + " %08x", + le32_to_cpu(inbuf[i].u32[0])); netif_info(efx, hw, efx->net_dev, "MCDI RPC REQ:%s\n", buf); } @@ -302,15 +304,15 @@ static void efx_mcdi_read_response_header(struct efx_nic *efx) */ for (i = 0; i < hdr_len && bytes < PAGE_SIZE; i++) { efx->type->mcdi_read_response(efx, &hdr, (i * 4), 4); - bytes += snprintf(buf + bytes, PAGE_SIZE - bytes, - " %08x", le32_to_cpu(hdr.u32[0])); + bytes += scnprintf(buf + bytes, PAGE_SIZE - bytes, + " %08x", le32_to_cpu(hdr.u32[0])); } for (i = 0; i < data_len && bytes < PAGE_SIZE; i++) { efx->type->mcdi_read_response(efx, &hdr, mcdi->resp_hdr_len + (i * 4), 4); - bytes += snprintf(buf + bytes, PAGE_SIZE - bytes, - " %08x", le32_to_cpu(hdr.u32[0])); + bytes += scnprintf(buf + bytes, PAGE_SIZE - bytes, + " %08x", le32_to_cpu(hdr.u32[0])); } netif_info(efx, hw, efx->net_dev, "MCDI RPC RESP:%s\n", buf); @@ -1417,9 +1419,11 @@ void efx_mcdi_print_fwver(struct efx_nic *efx, char *buf, size_t len) } ver_words = (__le16 *)MCDI_PTR(outbuf, GET_VERSION_OUT_VERSION); - offset = snprintf(buf, len, "%u.%u.%u.%u", - le16_to_cpu(ver_words[0]), le16_to_cpu(ver_words[1]), - le16_to_cpu(ver_words[2]), le16_to_cpu(ver_words[3])); + offset = scnprintf(buf, len, "%u.%u.%u.%u", + le16_to_cpu(ver_words[0]), + le16_to_cpu(ver_words[1]), + le16_to_cpu(ver_words[2]), + le16_to_cpu(ver_words[3])); /* EF10 may have multiple datapath firmware variants within a * single version. Report which variants are running. @@ -1427,9 +1431,9 @@ void efx_mcdi_print_fwver(struct efx_nic *efx, char *buf, size_t len) if (efx_nic_rev(efx) >= EFX_REV_HUNT_A0) { struct efx_ef10_nic_data *nic_data = efx->nic_data; - offset += snprintf(buf + offset, len - offset, " rx%x tx%x", - nic_data->rx_dpcpu_fw_id, - nic_data->tx_dpcpu_fw_id); + offset += scnprintf(buf + offset, len - offset, " rx%x tx%x", + nic_data->rx_dpcpu_fw_id, + nic_data->tx_dpcpu_fw_id); /* It's theoretically possible for the string to exceed 31 * characters, though in practice the first three version diff --git a/drivers/net/ethernet/sfc/net_driver.h b/drivers/net/ethernet/sfc/net_driver.h index 8164f0edcbf0..b084e623b5f4 100644 --- a/drivers/net/ethernet/sfc/net_driver.h +++ b/drivers/net/ethernet/sfc/net_driver.h @@ -91,6 +91,12 @@ #define EFX_RX_BUF_ALIGNMENT 4 #endif +/* Non-standard XDP_PACKET_HEADROOM and tailroom to satisfy XDP_REDIRECT and + * still fit two standard MTU size packets into a single 4K page. + */ +#define EFX_XDP_HEADROOM 128 +#define EFX_XDP_TAILROOM SKB_DATA_ALIGN(sizeof(struct skb_shared_info)) + /* Forward declare Precision Time Protocol (PTP) support structure. */ struct efx_ptp_data; struct hwtstamp_config; @@ -333,7 +339,7 @@ struct efx_rx_buffer { struct efx_rx_page_state { dma_addr_t dma_addr; - unsigned int __pad[0] ____cacheline_aligned; + unsigned int __pad[] ____cacheline_aligned; }; /** diff --git a/drivers/net/ethernet/sfc/rx.c b/drivers/net/ethernet/sfc/rx.c index a2042f16babc..260352d97d9d 100644 --- a/drivers/net/ethernet/sfc/rx.c +++ b/drivers/net/ethernet/sfc/rx.c @@ -302,7 +302,7 @@ static bool efx_do_xdp(struct efx_nic *efx, struct efx_channel *channel, efx->rx_prefix_size); xdp.data = *ehp; - xdp.data_hard_start = xdp.data - XDP_PACKET_HEADROOM; + xdp.data_hard_start = xdp.data - EFX_XDP_HEADROOM; /* No support yet for XDP metadata */ xdp_set_data_meta_invalid(&xdp); diff --git a/drivers/net/ethernet/sfc/rx_common.c b/drivers/net/ethernet/sfc/rx_common.c index ee8beb87bdc1..e10c23833515 100644 --- a/drivers/net/ethernet/sfc/rx_common.c +++ b/drivers/net/ethernet/sfc/rx_common.c @@ -412,10 +412,10 @@ static int efx_init_rx_buffers(struct efx_rx_queue *rx_queue, bool atomic) index = rx_queue->added_count & rx_queue->ptr_mask; rx_buf = efx_rx_buffer(rx_queue, index); rx_buf->dma_addr = dma_addr + efx->rx_ip_align + - XDP_PACKET_HEADROOM; + EFX_XDP_HEADROOM; rx_buf->page = page; rx_buf->page_offset = page_offset + efx->rx_ip_align + - XDP_PACKET_HEADROOM; + EFX_XDP_HEADROOM; rx_buf->len = efx->rx_dma_len; rx_buf->flags = 0; ++rx_queue->added_count; @@ -433,7 +433,7 @@ static int efx_init_rx_buffers(struct efx_rx_queue *rx_queue, bool atomic) void efx_rx_config_page_split(struct efx_nic *efx) { efx->rx_page_buf_step = ALIGN(efx->rx_dma_len + efx->rx_ip_align + - XDP_PACKET_HEADROOM, + EFX_XDP_HEADROOM + EFX_XDP_TAILROOM, EFX_RX_BUF_ALIGNMENT); efx->rx_bufs_per_page = efx->rx_buffer_order ? 1 : ((PAGE_SIZE - sizeof(struct efx_rx_page_state)) / diff --git a/drivers/net/ethernet/sfc/tx.c b/drivers/net/ethernet/sfc/tx.c index 8aafc54a4684..19b58563cb78 100644 --- a/drivers/net/ethernet/sfc/tx.c +++ b/drivers/net/ethernet/sfc/tx.c @@ -287,9 +287,8 @@ static int efx_tx_tso_fallback(struct efx_tx_queue *tx_queue, return PTR_ERR(segments); dev_consume_skb_any(skb); - skb = segments; - skb_list_walk_safe(skb, skb, next) { + skb_list_walk_safe(segments, skb, next) { skb_mark_not_on_list(skb); efx_enqueue_skb(tx_queue, skb); } |