diff options
author | David S. Miller <davem@davemloft.net> | 2016-08-30 07:54:02 +0300 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2016-08-30 07:54:02 +0300 |
commit | 6abdd5f5935fff978f950561f3c5175eb34dad73 (patch) | |
tree | 6f3ed3a4f4af9e74436ec9355ebf8201357f1c40 /drivers/net/ethernet/mellanox | |
parent | 0b498a52778368ff501557d68c7b50878ab1701e (diff) | |
parent | e4e98c460ad38c78498622a164fd5ef09a2dc9cb (diff) | |
download | linux-6abdd5f5935fff978f950561f3c5175eb34dad73.tar.xz |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
All three conflicts were cases of simple overlapping
changes.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/mellanox')
22 files changed, 398 insertions, 239 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/cmd.c b/drivers/net/ethernet/mellanox/mlx5/core/cmd.c index bb89f046fa27..1e639f886021 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/cmd.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/cmd.c @@ -143,13 +143,14 @@ static struct mlx5_cmd_layout *get_inst(struct mlx5_cmd *cmd, int idx) return cmd->cmd_buf + (idx << cmd->log_stride); } -static u8 xor8_buf(void *buf, int len) +static u8 xor8_buf(void *buf, size_t offset, int len) { u8 *ptr = buf; u8 sum = 0; int i; + int end = len + offset; - for (i = 0; i < len; i++) + for (i = offset; i < end; i++) sum ^= ptr[i]; return sum; @@ -157,41 +158,49 @@ static u8 xor8_buf(void *buf, int len) static int verify_block_sig(struct mlx5_cmd_prot_block *block) { - if (xor8_buf(block->rsvd0, sizeof(*block) - sizeof(block->data) - 1) != 0xff) + size_t rsvd0_off = offsetof(struct mlx5_cmd_prot_block, rsvd0); + int xor_len = sizeof(*block) - sizeof(block->data) - 1; + + if (xor8_buf(block, rsvd0_off, xor_len) != 0xff) return -EINVAL; - if (xor8_buf(block, sizeof(*block)) != 0xff) + if (xor8_buf(block, 0, sizeof(*block)) != 0xff) return -EINVAL; return 0; } -static void calc_block_sig(struct mlx5_cmd_prot_block *block, u8 token, - int csum) +static void calc_block_sig(struct mlx5_cmd_prot_block *block) { - block->token = token; - if (csum) { - block->ctrl_sig = ~xor8_buf(block->rsvd0, sizeof(*block) - - sizeof(block->data) - 2); - block->sig = ~xor8_buf(block, sizeof(*block) - 1); - } + int ctrl_xor_len = sizeof(*block) - sizeof(block->data) - 2; + size_t rsvd0_off = offsetof(struct mlx5_cmd_prot_block, rsvd0); + + block->ctrl_sig = ~xor8_buf(block, rsvd0_off, ctrl_xor_len); + block->sig = ~xor8_buf(block, 0, sizeof(*block) - 1); } -static void calc_chain_sig(struct mlx5_cmd_msg *msg, u8 token, int csum) +static void calc_chain_sig(struct mlx5_cmd_msg *msg) { struct mlx5_cmd_mailbox *next = msg->next; - - while (next) { - calc_block_sig(next->buf, token, csum); + int size = msg->len; + int blen = size - min_t(int, sizeof(msg->first.data), size); + int n = (blen + MLX5_CMD_DATA_BLOCK_SIZE - 1) + / MLX5_CMD_DATA_BLOCK_SIZE; + int i = 0; + + for (i = 0; i < n && next; i++) { + calc_block_sig(next->buf); next = next->next; } } static void set_signature(struct mlx5_cmd_work_ent *ent, int csum) { - ent->lay->sig = ~xor8_buf(ent->lay, sizeof(*ent->lay)); - calc_chain_sig(ent->in, ent->token, csum); - calc_chain_sig(ent->out, ent->token, csum); + ent->lay->sig = ~xor8_buf(ent->lay, 0, sizeof(*ent->lay)); + if (csum) { + calc_chain_sig(ent->in); + calc_chain_sig(ent->out); + } } static void poll_timeout(struct mlx5_cmd_work_ent *ent) @@ -222,12 +231,17 @@ static int verify_signature(struct mlx5_cmd_work_ent *ent) struct mlx5_cmd_mailbox *next = ent->out->next; int err; u8 sig; + int size = ent->out->len; + int blen = size - min_t(int, sizeof(ent->out->first.data), size); + int n = (blen + MLX5_CMD_DATA_BLOCK_SIZE - 1) + / MLX5_CMD_DATA_BLOCK_SIZE; + int i = 0; - sig = xor8_buf(ent->lay, sizeof(*ent->lay)); + sig = xor8_buf(ent->lay, 0, sizeof(*ent->lay)); if (sig != 0xff) return -EINVAL; - while (next) { + for (i = 0; i < n && next; i++) { err = verify_block_sig(next->buf); if (err) return err; @@ -783,7 +797,6 @@ static void cmd_work_handler(struct work_struct *work) spin_unlock_irqrestore(&cmd->alloc_lock, flags); } - ent->token = alloc_token(cmd); cmd->ent_arr[ent->idx] = ent; lay = get_inst(cmd, ent->idx); ent->lay = lay; @@ -883,7 +896,8 @@ static int wait_func(struct mlx5_core_dev *dev, struct mlx5_cmd_work_ent *ent) static int mlx5_cmd_invoke(struct mlx5_core_dev *dev, struct mlx5_cmd_msg *in, struct mlx5_cmd_msg *out, void *uout, int uout_size, mlx5_cmd_cbk_t callback, - void *context, int page_queue, u8 *status) + void *context, int page_queue, u8 *status, + u8 token) { struct mlx5_cmd *cmd = &dev->cmd; struct mlx5_cmd_work_ent *ent; @@ -900,6 +914,8 @@ static int mlx5_cmd_invoke(struct mlx5_core_dev *dev, struct mlx5_cmd_msg *in, if (IS_ERR(ent)) return PTR_ERR(ent); + ent->token = token; + if (!callback) init_completion(&ent->done); @@ -971,7 +987,8 @@ static const struct file_operations fops = { .write = dbg_write, }; -static int mlx5_copy_to_msg(struct mlx5_cmd_msg *to, void *from, int size) +static int mlx5_copy_to_msg(struct mlx5_cmd_msg *to, void *from, int size, + u8 token) { struct mlx5_cmd_prot_block *block; struct mlx5_cmd_mailbox *next; @@ -997,6 +1014,7 @@ static int mlx5_copy_to_msg(struct mlx5_cmd_msg *to, void *from, int size) memcpy(block->data, from, copy); from += copy; size -= copy; + block->token = token; next = next->next; } @@ -1066,7 +1084,8 @@ static void free_cmd_box(struct mlx5_core_dev *dev, } static struct mlx5_cmd_msg *mlx5_alloc_cmd_msg(struct mlx5_core_dev *dev, - gfp_t flags, int size) + gfp_t flags, int size, + u8 token) { struct mlx5_cmd_mailbox *tmp, *head = NULL; struct mlx5_cmd_prot_block *block; @@ -1095,6 +1114,7 @@ static struct mlx5_cmd_msg *mlx5_alloc_cmd_msg(struct mlx5_core_dev *dev, tmp->next = head; block->next = cpu_to_be64(tmp->next ? tmp->next->dma : 0); block->block_num = cpu_to_be32(n - i - 1); + block->token = token; head = tmp; } msg->next = head; @@ -1463,7 +1483,7 @@ static struct mlx5_cmd_msg *alloc_msg(struct mlx5_core_dev *dev, int in_size, } if (IS_ERR(msg)) - msg = mlx5_alloc_cmd_msg(dev, gfp, in_size); + msg = mlx5_alloc_cmd_msg(dev, gfp, in_size, 0); return msg; } @@ -1483,6 +1503,7 @@ static int cmd_exec(struct mlx5_core_dev *dev, void *in, int in_size, void *out, int err; u8 status = 0; u32 drv_synd; + u8 token; if (pci_channel_offline(dev->pdev) || dev->state == MLX5_DEVICE_STATE_INTERNAL_ERROR) { @@ -1503,20 +1524,22 @@ static int cmd_exec(struct mlx5_core_dev *dev, void *in, int in_size, void *out, return err; } - err = mlx5_copy_to_msg(inb, in, in_size); + token = alloc_token(&dev->cmd); + + err = mlx5_copy_to_msg(inb, in, in_size, token); if (err) { mlx5_core_warn(dev, "err %d\n", err); goto out_in; } - outb = mlx5_alloc_cmd_msg(dev, gfp, out_size); + outb = mlx5_alloc_cmd_msg(dev, gfp, out_size, token); if (IS_ERR(outb)) { err = PTR_ERR(outb); goto out_in; } err = mlx5_cmd_invoke(dev, inb, outb, out, out_size, callback, context, - pages_queue, &status); + pages_queue, &status, token); if (err) goto out_out; @@ -1587,7 +1610,7 @@ static int create_msg_cache(struct mlx5_core_dev *dev) INIT_LIST_HEAD(&cmd->cache.med.head); for (i = 0; i < NUM_LONG_LISTS; i++) { - msg = mlx5_alloc_cmd_msg(dev, GFP_KERNEL, LONG_LIST_SIZE); + msg = mlx5_alloc_cmd_msg(dev, GFP_KERNEL, LONG_LIST_SIZE, 0); if (IS_ERR(msg)) { err = PTR_ERR(msg); goto ex_err; @@ -1597,7 +1620,7 @@ static int create_msg_cache(struct mlx5_core_dev *dev) } for (i = 0; i < NUM_MED_LISTS; i++) { - msg = mlx5_alloc_cmd_msg(dev, GFP_KERNEL, MED_LIST_SIZE); + msg = mlx5_alloc_cmd_msg(dev, GFP_KERNEL, MED_LIST_SIZE, 0); if (IS_ERR(msg)) { err = PTR_ERR(msg); goto ex_err; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en.h b/drivers/net/ethernet/mellanox/mlx5/core/en.h index 61902b147339..96995609f205 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/en.h @@ -73,8 +73,12 @@ #define MLX5_MPWRQ_PAGES_PER_WQE BIT(MLX5_MPWRQ_WQE_PAGE_ORDER) #define MLX5_MPWRQ_STRIDES_PER_PAGE (MLX5_MPWRQ_NUM_STRIDES >> \ MLX5_MPWRQ_WQE_PAGE_ORDER) -#define MLX5_CHANNEL_MAX_NUM_MTTS (ALIGN(MLX5_MPWRQ_PAGES_PER_WQE, 8) * \ - BIT(MLX5E_PARAMS_MAXIMUM_LOG_RQ_SIZE_MPW)) + +#define MLX5_MTT_OCTW(npages) (ALIGN(npages, 8) / 2) +#define MLX5E_REQUIRED_MTTS(rqs, wqes)\ + (rqs * wqes * ALIGN(MLX5_MPWRQ_PAGES_PER_WQE, 8)) +#define MLX5E_VALID_NUM_MTTS(num_mtts) (MLX5_MTT_OCTW(num_mtts) <= U16_MAX) + #define MLX5_UMR_ALIGN (2048) #define MLX5_MPWRQ_SMALL_PACKET_THRESHOLD (128) @@ -219,9 +223,8 @@ struct mlx5e_tstamp { }; enum { - MLX5E_RQ_STATE_POST_WQES_ENABLE, + MLX5E_RQ_STATE_FLUSH, MLX5E_RQ_STATE_UMR_WQE_IN_PROGRESS, - MLX5E_RQ_STATE_FLUSH_TIMEOUT, MLX5E_RQ_STATE_AM, }; @@ -304,6 +307,7 @@ struct mlx5e_rq { unsigned long state; int ix; + u32 mpwqe_mtt_offset; struct mlx5e_rx_am am; /* Adaptive Moderation */ @@ -365,9 +369,8 @@ struct mlx5e_sq_dma { }; enum { - MLX5E_SQ_STATE_WAKE_TXQ_ENABLE, + MLX5E_SQ_STATE_FLUSH, MLX5E_SQ_STATE_BF_ENABLE, - MLX5E_SQ_STATE_TX_TIMEOUT, }; struct mlx5e_ico_wqe_info { @@ -664,7 +667,6 @@ int mlx5e_napi_poll(struct napi_struct *napi, int budget); bool mlx5e_poll_tx_cq(struct mlx5e_cq *cq, int napi_budget); int mlx5e_poll_rx_cq(struct mlx5e_cq *cq, int budget); void mlx5e_free_tx_descs(struct mlx5e_sq *sq); -void mlx5e_free_rx_descs(struct mlx5e_rq *rq); void mlx5e_handle_rx_cqe(struct mlx5e_rq *rq, struct mlx5_cqe64 *cqe); void mlx5e_handle_rx_cqe_mpwrq(struct mlx5e_rq *rq, struct mlx5_cqe64 *cqe); @@ -780,11 +782,6 @@ static inline int mlx5e_get_max_num_channels(struct mlx5_core_dev *mdev) MLX5E_MAX_NUM_CHANNELS); } -static inline int mlx5e_get_mtt_octw(int npages) -{ - return ALIGN(npages, 8) / 2; -} - extern const struct ethtool_ops mlx5e_ethtool_ops; #ifdef CONFIG_MLX5_CORE_EN_DCB extern const struct dcbnl_rtnl_ops mlx5e_dcbnl_ops; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_common.c b/drivers/net/ethernet/mellanox/mlx5/core/en_common.c index 3247c3c543a0..029e856f72a0 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_common.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_common.c @@ -142,7 +142,7 @@ int mlx5e_refresh_tirs_self_loopback_enable(struct mlx5_core_dev *mdev) struct mlx5e_tir *tir; void *in; int inlen; - int err; + int err = 0; inlen = MLX5_ST_SZ_BYTES(modify_tir_in); in = mlx5_vzalloc(inlen); @@ -154,10 +154,11 @@ int mlx5e_refresh_tirs_self_loopback_enable(struct mlx5_core_dev *mdev) list_for_each_entry(tir, &mdev->mlx5e_res.td.tirs_list, list) { err = mlx5_core_modify_tir(mdev, tir->tirn, in, inlen); if (err) - return err; + goto out; } +out: kvfree(in); - return 0; + return err; } diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_dcbnl.c b/drivers/net/ethernet/mellanox/mlx5/core/en_dcbnl.c index caa9a3ccc3f3..762af16ed021 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_dcbnl.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_dcbnl.c @@ -127,29 +127,40 @@ int mlx5e_dcbnl_ieee_setets_core(struct mlx5e_priv *priv, struct ieee_ets *ets) return mlx5_set_port_tc_bw_alloc(mdev, tc_tx_bw); } -static int mlx5e_dbcnl_validate_ets(struct ieee_ets *ets) +static int mlx5e_dbcnl_validate_ets(struct net_device *netdev, + struct ieee_ets *ets) { int bw_sum = 0; int i; /* Validate Priority */ for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) { - if (ets->prio_tc[i] >= MLX5E_MAX_PRIORITY) + if (ets->prio_tc[i] >= MLX5E_MAX_PRIORITY) { + netdev_err(netdev, + "Failed to validate ETS: priority value greater than max(%d)\n", + MLX5E_MAX_PRIORITY); return -EINVAL; + } } /* Validate Bandwidth Sum */ for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) { if (ets->tc_tsa[i] == IEEE_8021QAZ_TSA_ETS) { - if (!ets->tc_tx_bw[i]) + if (!ets->tc_tx_bw[i]) { + netdev_err(netdev, + "Failed to validate ETS: BW 0 is illegal\n"); return -EINVAL; + } bw_sum += ets->tc_tx_bw[i]; } } - if (bw_sum != 0 && bw_sum != 100) + if (bw_sum != 0 && bw_sum != 100) { + netdev_err(netdev, + "Failed to validate ETS: BW sum is illegal\n"); return -EINVAL; + } return 0; } @@ -159,7 +170,7 @@ static int mlx5e_dcbnl_ieee_setets(struct net_device *netdev, struct mlx5e_priv *priv = netdev_priv(netdev); int err; - err = mlx5e_dbcnl_validate_ets(ets); + err = mlx5e_dbcnl_validate_ets(netdev, ets); if (err) return err; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c index 9561fca494bf..d1cd1564e9b9 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c @@ -352,15 +352,61 @@ static void mlx5e_get_ethtool_stats(struct net_device *dev, sq_stats_desc, j); } +static u32 mlx5e_rx_wqes_to_packets(struct mlx5e_priv *priv, int rq_wq_type, + int num_wqe) +{ + int packets_per_wqe; + int stride_size; + int num_strides; + int wqe_size; + + if (rq_wq_type != MLX5_WQ_TYPE_LINKED_LIST_STRIDING_RQ) + return num_wqe; + + stride_size = 1 << priv->params.mpwqe_log_stride_sz; + num_strides = 1 << priv->params.mpwqe_log_num_strides; + wqe_size = stride_size * num_strides; + + packets_per_wqe = wqe_size / + ALIGN(ETH_DATA_LEN, stride_size); + return (1 << (order_base_2(num_wqe * packets_per_wqe) - 1)); +} + +static u32 mlx5e_packets_to_rx_wqes(struct mlx5e_priv *priv, int rq_wq_type, + int num_packets) +{ + int packets_per_wqe; + int stride_size; + int num_strides; + int wqe_size; + int num_wqes; + + if (rq_wq_type != MLX5_WQ_TYPE_LINKED_LIST_STRIDING_RQ) + return num_packets; + + stride_size = 1 << priv->params.mpwqe_log_stride_sz; + num_strides = 1 << priv->params.mpwqe_log_num_strides; + wqe_size = stride_size * num_strides; + + num_packets = (1 << order_base_2(num_packets)); + + packets_per_wqe = wqe_size / + ALIGN(ETH_DATA_LEN, stride_size); + num_wqes = DIV_ROUND_UP(num_packets, packets_per_wqe); + return 1 << (order_base_2(num_wqes)); +} + static void mlx5e_get_ringparam(struct net_device *dev, struct ethtool_ringparam *param) { struct mlx5e_priv *priv = netdev_priv(dev); int rq_wq_type = priv->params.rq_wq_type; - param->rx_max_pending = 1 << mlx5_max_log_rq_size(rq_wq_type); + param->rx_max_pending = mlx5e_rx_wqes_to_packets(priv, rq_wq_type, + 1 << mlx5_max_log_rq_size(rq_wq_type)); param->tx_max_pending = 1 << MLX5E_PARAMS_MAXIMUM_LOG_SQ_SIZE; - param->rx_pending = 1 << priv->params.log_rq_size; + param->rx_pending = mlx5e_rx_wqes_to_packets(priv, rq_wq_type, + 1 << priv->params.log_rq_size); param->tx_pending = 1 << priv->params.log_sq_size; } @@ -370,9 +416,13 @@ static int mlx5e_set_ringparam(struct net_device *dev, struct mlx5e_priv *priv = netdev_priv(dev); bool was_opened; int rq_wq_type = priv->params.rq_wq_type; + u32 rx_pending_wqes; + u32 min_rq_size; + u32 max_rq_size; u16 min_rx_wqes; u8 log_rq_size; u8 log_sq_size; + u32 num_mtts; int err = 0; if (param->rx_jumbo_pending) { @@ -385,18 +435,36 @@ static int mlx5e_set_ringparam(struct net_device *dev, __func__); return -EINVAL; } - if (param->rx_pending < (1 << mlx5_min_log_rq_size(rq_wq_type))) { + + min_rq_size = mlx5e_rx_wqes_to_packets(priv, rq_wq_type, + 1 << mlx5_min_log_rq_size(rq_wq_type)); + max_rq_size = mlx5e_rx_wqes_to_packets(priv, rq_wq_type, + 1 << mlx5_max_log_rq_size(rq_wq_type)); + rx_pending_wqes = mlx5e_packets_to_rx_wqes(priv, rq_wq_type, + param->rx_pending); + + if (param->rx_pending < min_rq_size) { netdev_info(dev, "%s: rx_pending (%d) < min (%d)\n", __func__, param->rx_pending, - 1 << mlx5_min_log_rq_size(rq_wq_type)); + min_rq_size); return -EINVAL; } - if (param->rx_pending > (1 << mlx5_max_log_rq_size(rq_wq_type))) { + if (param->rx_pending > max_rq_size) { netdev_info(dev, "%s: rx_pending (%d) > max (%d)\n", __func__, param->rx_pending, - 1 << mlx5_max_log_rq_size(rq_wq_type)); + max_rq_size); return -EINVAL; } + + num_mtts = MLX5E_REQUIRED_MTTS(priv->params.num_channels, + rx_pending_wqes); + if (priv->params.rq_wq_type == MLX5_WQ_TYPE_LINKED_LIST_STRIDING_RQ && + !MLX5E_VALID_NUM_MTTS(num_mtts)) { + netdev_info(dev, "%s: rx_pending (%d) request can't be satisfied, try to reduce.\n", + __func__, param->rx_pending); + return -EINVAL; + } + if (param->tx_pending < (1 << MLX5E_PARAMS_MINIMUM_LOG_SQ_SIZE)) { netdev_info(dev, "%s: tx_pending (%d) < min (%d)\n", __func__, param->tx_pending, @@ -410,9 +478,9 @@ static int mlx5e_set_ringparam(struct net_device *dev, return -EINVAL; } - log_rq_size = order_base_2(param->rx_pending); + log_rq_size = order_base_2(rx_pending_wqes); log_sq_size = order_base_2(param->tx_pending); - min_rx_wqes = mlx5_min_rx_wqes(rq_wq_type, param->rx_pending); + min_rx_wqes = mlx5_min_rx_wqes(rq_wq_type, rx_pending_wqes); if (log_rq_size == priv->params.log_rq_size && log_sq_size == priv->params.log_sq_size && @@ -454,6 +522,7 @@ static int mlx5e_set_channels(struct net_device *dev, unsigned int count = ch->combined_count; bool arfs_enabled; bool was_opened; + u32 num_mtts; int err = 0; if (!count) { @@ -472,6 +541,14 @@ static int mlx5e_set_channels(struct net_device *dev, return -EINVAL; } + num_mtts = MLX5E_REQUIRED_MTTS(count, BIT(priv->params.log_rq_size)); + if (priv->params.rq_wq_type == MLX5_WQ_TYPE_LINKED_LIST_STRIDING_RQ && + !MLX5E_VALID_NUM_MTTS(num_mtts)) { + netdev_info(dev, "%s: rx count (%d) request can't be satisfied, try to reduce.\n", + __func__, count); + return -EINVAL; + } + if (priv->params.num_channels == count) return 0; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c index fa404142320d..03586ee68fc4 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c @@ -39,13 +39,6 @@ #include "eswitch.h" #include "vxlan.h" -enum { - MLX5_EN_QP_FLUSH_TIMEOUT_MS = 5000, - MLX5_EN_QP_FLUSH_MSLEEP_QUANT = 20, - MLX5_EN_QP_FLUSH_MAX_ITER = MLX5_EN_QP_FLUSH_TIMEOUT_MS / - MLX5_EN_QP_FLUSH_MSLEEP_QUANT, -}; - struct mlx5e_rq_param { u32 rqc[MLX5_ST_SZ_DW(rqc)]; struct mlx5_wq_param wq; @@ -162,6 +155,7 @@ static void mlx5e_update_sw_counters(struct mlx5e_priv *priv) s->tx_queue_stopped += sq_stats->stopped; s->tx_queue_wake += sq_stats->wake; s->tx_queue_dropped += sq_stats->dropped; + s->tx_xmit_more += sq_stats->xmit_more; s->tx_csum_partial_inner += sq_stats->csum_partial_inner; tx_offload_none += sq_stats->csum_none; } @@ -337,6 +331,9 @@ static int mlx5e_create_rq(struct mlx5e_channel *c, rq->alloc_wqe = mlx5e_alloc_rx_mpwqe; rq->dealloc_wqe = mlx5e_dealloc_rx_mpwqe; + rq->mpwqe_mtt_offset = c->ix * + MLX5E_REQUIRED_MTTS(1, BIT(priv->params.log_rq_size)); + rq->mpwqe_stride_sz = BIT(priv->params.mpwqe_log_stride_sz); rq->mpwqe_num_strides = BIT(priv->params.mpwqe_log_num_strides); rq->wqe_sz = rq->mpwqe_stride_sz * rq->mpwqe_num_strides; @@ -425,7 +422,6 @@ static int mlx5e_enable_rq(struct mlx5e_rq *rq, struct mlx5e_rq_param *param) MLX5_SET(rqc, rqc, cqn, rq->cq.mcq.cqn); MLX5_SET(rqc, rqc, state, MLX5_RQC_STATE_RST); - MLX5_SET(rqc, rqc, flush_in_error_en, 1); MLX5_SET(rqc, rqc, vsd, priv->params.vlan_strip_disable); MLX5_SET(wq, wq, log_wq_pg_sz, rq->wq_ctrl.buf.page_shift - MLX5_ADAPTER_PAGE_SHIFT); @@ -523,6 +519,27 @@ static int mlx5e_wait_for_min_rx_wqes(struct mlx5e_rq *rq) return -ETIMEDOUT; } +static void mlx5e_free_rx_descs(struct mlx5e_rq *rq) +{ + struct mlx5_wq_ll *wq = &rq->wq; + struct mlx5e_rx_wqe *wqe; + __be16 wqe_ix_be; + u16 wqe_ix; + + /* UMR WQE (if in progress) is always at wq->head */ + if (test_bit(MLX5E_RQ_STATE_UMR_WQE_IN_PROGRESS, &rq->state)) + mlx5e_free_rx_fragmented_mpwqe(rq, &rq->wqe_info[wq->head]); + + while (!mlx5_wq_ll_is_empty(wq)) { + wqe_ix_be = *wq->tail_next; + wqe_ix = be16_to_cpu(wqe_ix_be); + wqe = mlx5_wq_ll_get_wqe(&rq->wq, wqe_ix); + rq->dealloc_wqe(rq, wqe_ix); + mlx5_wq_ll_pop(&rq->wq, wqe_ix_be, + &wqe->next.next_wqe_index); + } +} + static int mlx5e_open_rq(struct mlx5e_channel *c, struct mlx5e_rq_param *param, struct mlx5e_rq *rq) @@ -546,8 +563,6 @@ static int mlx5e_open_rq(struct mlx5e_channel *c, if (param->am_enabled) set_bit(MLX5E_RQ_STATE_AM, &c->rq.state); - set_bit(MLX5E_RQ_STATE_POST_WQES_ENABLE, &rq->state); - sq->ico_wqe_info[pi].opcode = MLX5_OPCODE_NOP; sq->ico_wqe_info[pi].num_wqebbs = 1; mlx5e_send_nop(sq, true); /* trigger mlx5e_post_rx_wqes() */ @@ -564,23 +579,8 @@ err_destroy_rq: static void mlx5e_close_rq(struct mlx5e_rq *rq) { - int tout = 0; - int err; - - clear_bit(MLX5E_RQ_STATE_POST_WQES_ENABLE, &rq->state); + set_bit(MLX5E_RQ_STATE_FLUSH, &rq->state); napi_synchronize(&rq->channel->napi); /* prevent mlx5e_post_rx_wqes */ - - err = mlx5e_modify_rq_state(rq, MLX5_RQC_STATE_RDY, MLX5_RQC_STATE_ERR); - while (!mlx5_wq_ll_is_empty(&rq->wq) && !err && - tout++ < MLX5_EN_QP_FLUSH_MAX_ITER) - msleep(MLX5_EN_QP_FLUSH_MSLEEP_QUANT); - - if (err || tout == MLX5_EN_QP_FLUSH_MAX_ITER) - set_bit(MLX5E_RQ_STATE_FLUSH_TIMEOUT, &rq->state); - - /* avoid destroying rq before mlx5e_poll_rx_cq() is done with it */ - napi_synchronize(&rq->channel->napi); - cancel_work_sync(&rq->am.work); mlx5e_disable_rq(rq); @@ -819,7 +819,6 @@ static int mlx5e_open_sq(struct mlx5e_channel *c, goto err_disable_sq; if (sq->txq) { - set_bit(MLX5E_SQ_STATE_WAKE_TXQ_ENABLE, &sq->state); netdev_tx_reset_queue(sq->txq); netif_tx_start_queue(sq->txq); } @@ -843,38 +842,20 @@ static inline void netif_tx_disable_queue(struct netdev_queue *txq) static void mlx5e_close_sq(struct mlx5e_sq *sq) { - int tout = 0; - int err; + set_bit(MLX5E_SQ_STATE_FLUSH, &sq->state); + /* prevent netif_tx_wake_queue */ + napi_synchronize(&sq->channel->napi); if (sq->txq) { - clear_bit(MLX5E_SQ_STATE_WAKE_TXQ_ENABLE, &sq->state); - /* prevent netif_tx_wake_queue */ - napi_synchronize(&sq->channel->napi); netif_tx_disable_queue(sq->txq); - /* ensure hw is notified of all pending wqes */ + /* last doorbell out, godspeed .. */ if (mlx5e_sq_has_room_for(sq, 1)) mlx5e_send_nop(sq, true); - - err = mlx5e_modify_sq(sq, MLX5_SQC_STATE_RDY, - MLX5_SQC_STATE_ERR, false, 0); - if (err) - set_bit(MLX5E_SQ_STATE_TX_TIMEOUT, &sq->state); - } - - /* wait till sq is empty, unless a TX timeout occurred on this SQ */ - while (sq->cc != sq->pc && - !test_bit(MLX5E_SQ_STATE_TX_TIMEOUT, &sq->state)) { - msleep(MLX5_EN_QP_FLUSH_MSLEEP_QUANT); - if (tout++ > MLX5_EN_QP_FLUSH_MAX_ITER) - set_bit(MLX5E_SQ_STATE_TX_TIMEOUT, &sq->state); } - /* avoid destroying sq before mlx5e_poll_tx_cq() is done with it */ - napi_synchronize(&sq->channel->napi); - - mlx5e_free_tx_descs(sq); mlx5e_disable_sq(sq); + mlx5e_free_tx_descs(sq); mlx5e_destroy_sq(sq); } @@ -1824,10 +1805,6 @@ int mlx5e_open_locked(struct net_device *netdev) netif_set_real_num_tx_queues(netdev, num_txqs); netif_set_real_num_rx_queues(netdev, priv->params.num_channels); - err = mlx5e_set_dev_port_mtu(netdev); - if (err) - goto err_clear_state_opened_flag; - err = mlx5e_open_channels(priv); if (err) { netdev_err(netdev, "%s: mlx5e_open_channels failed, %d\n", @@ -2572,6 +2549,7 @@ static int mlx5e_change_mtu(struct net_device *netdev, int new_mtu) u16 max_mtu; u16 min_mtu; int err = 0; + bool reset; mlx5_query_port_max_mtu(mdev, &max_mtu, 1); @@ -2587,13 +2565,18 @@ static int mlx5e_change_mtu(struct net_device *netdev, int new_mtu) mutex_lock(&priv->state_lock); + reset = !priv->params.lro_en && + (priv->params.rq_wq_type != + MLX5_WQ_TYPE_LINKED_LIST_STRIDING_RQ); + was_opened = test_bit(MLX5E_STATE_OPENED, &priv->state); - if (was_opened) + if (was_opened && reset) mlx5e_close_locked(netdev); netdev->mtu = new_mtu; + mlx5e_set_dev_port_mtu(netdev); - if (was_opened) + if (was_opened && reset) err = mlx5e_open_locked(netdev); mutex_unlock(&priv->state_lock); @@ -2793,7 +2776,7 @@ static void mlx5e_tx_timeout(struct net_device *dev) if (!netif_xmit_stopped(netdev_get_tx_queue(dev, i))) continue; sched_work = true; - set_bit(MLX5E_SQ_STATE_TX_TIMEOUT, &sq->state); + set_bit(MLX5E_SQ_STATE_FLUSH, &sq->state); netdev_err(dev, "TX timeout on queue: %d, SQ: 0x%x, CQ: 0x%x, SQ Cons: 0x%x SQ Prod: 0x%x\n", i, sq->sqn, sq->cq.mcq.cqn, sq->cc, sq->pc); } @@ -3227,7 +3210,8 @@ static void mlx5e_destroy_q_counter(struct mlx5e_priv *priv) static int mlx5e_create_umr_mkey(struct mlx5e_priv *priv) { struct mlx5_core_dev *mdev = priv->mdev; - u64 npages = priv->profile->max_nch(mdev) * MLX5_CHANNEL_MAX_NUM_MTTS; + u64 npages = MLX5E_REQUIRED_MTTS(priv->profile->max_nch(mdev), + BIT(MLX5E_PARAMS_MAXIMUM_LOG_RQ_SIZE_MPW)); int inlen = MLX5_ST_SZ_BYTES(create_mkey_in); void *mkc; u32 *in; @@ -3239,6 +3223,8 @@ static int mlx5e_create_umr_mkey(struct mlx5e_priv *priv) mkc = MLX5_ADDR_OF(create_mkey_in, in, memory_key_mkey_entry); + npages = min_t(u32, ALIGN(U16_MAX, 4) * 2, npages); + MLX5_SET(mkc, mkc, free, 1); MLX5_SET(mkc, mkc, umr_en, 1); MLX5_SET(mkc, mkc, lw, 1); @@ -3249,7 +3235,7 @@ static int mlx5e_create_umr_mkey(struct mlx5e_priv *priv) MLX5_SET(mkc, mkc, pd, mdev->mlx5e_res.pdn); MLX5_SET64(mkc, mkc, len, npages << PAGE_SHIFT); MLX5_SET(mkc, mkc, translations_octword_size, - mlx5e_get_mtt_octw(npages)); + MLX5_MTT_OCTW(npages)); MLX5_SET(mkc, mkc, log_page_size, PAGE_SHIFT); err = mlx5_core_create_mkey(mdev, &priv->umr_mkey, in, inlen); @@ -3385,6 +3371,7 @@ static void mlx5e_nic_enable(struct mlx5e_priv *priv) queue_work(priv->wq, &priv->set_rx_mode_work); if (MLX5_CAP_GEN(mdev, vport_group_manager)) { + mlx5_query_nic_vport_mac_address(mdev, 0, rep.hw_id); rep.load = mlx5e_nic_rep_load; rep.unload = mlx5e_nic_rep_unload; rep.vport = 0; @@ -3464,6 +3451,8 @@ void *mlx5e_create_netdev(struct mlx5_core_dev *mdev, mlx5e_init_l2_addr(priv); + mlx5e_set_dev_port_mtu(netdev); + err = register_netdev(netdev); if (err) { mlx5_core_err(mdev, "register_netdev failed, %d\n", err); @@ -3502,16 +3491,20 @@ static void mlx5e_register_vport_rep(struct mlx5_core_dev *mdev) struct mlx5_eswitch *esw = mdev->priv.eswitch; int total_vfs = MLX5_TOTAL_VPORTS(mdev); int vport; + u8 mac[ETH_ALEN]; if (!MLX5_CAP_GEN(mdev, vport_group_manager)) return; + mlx5_query_nic_vport_mac_address(mdev, 0, mac); + for (vport = 1; vport < total_vfs; vport++) { struct mlx5_eswitch_rep rep; rep.load = mlx5e_vport_rep_load; rep.unload = mlx5e_vport_rep_unload; rep.vport = vport; + ether_addr_copy(rep.hw_id, mac); mlx5_eswitch_register_vport_rep(esw, &rep); } } diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c b/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c index 681c12c14005..29db4735182a 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c @@ -135,17 +135,16 @@ static const struct ethtool_ops mlx5e_rep_ethtool_ops = { int mlx5e_attr_get(struct net_device *dev, struct switchdev_attr *attr) { struct mlx5e_priv *priv = netdev_priv(dev); + struct mlx5_eswitch_rep *rep = priv->ppriv; struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; - u8 mac[ETH_ALEN]; if (esw->mode == SRIOV_NONE) return -EOPNOTSUPP; switch (attr->id) { case SWITCHDEV_ATTR_ID_PORT_PARENT_ID: - mlx5_query_nic_vport_mac_address(priv->mdev, 0, mac); attr->u.ppid.id_len = ETH_ALEN; - memcpy(&attr->u.ppid.id, &mac, ETH_ALEN); + ether_addr_copy(attr->u.ppid.id, rep->hw_id); break; default: return -EOPNOTSUPP; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c index 9f2a16a507e0..b6f8ebbdb487 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c @@ -324,9 +324,9 @@ mlx5e_copy_skb_header_fragmented_mpwqe(struct device *pdev, } } -static u16 mlx5e_get_wqe_mtt_offset(u16 rq_ix, u16 wqe_ix) +static u32 mlx5e_get_wqe_mtt_offset(struct mlx5e_rq *rq, u16 wqe_ix) { - return rq_ix * MLX5_CHANNEL_MAX_NUM_MTTS + + return rq->mpwqe_mtt_offset + wqe_ix * ALIGN(MLX5_MPWRQ_PAGES_PER_WQE, 8); } @@ -340,7 +340,7 @@ static void mlx5e_build_umr_wqe(struct mlx5e_rq *rq, struct mlx5_wqe_data_seg *dseg = &wqe->data; struct mlx5e_mpw_info *wi = &rq->wqe_info[ix]; u8 ds_cnt = DIV_ROUND_UP(sizeof(*wqe), MLX5_SEND_WQE_DS); - u16 umr_wqe_mtt_offset = mlx5e_get_wqe_mtt_offset(rq->ix, ix); + u32 umr_wqe_mtt_offset = mlx5e_get_wqe_mtt_offset(rq, ix); memset(wqe, 0, sizeof(*wqe)); cseg->opmod_idx_opcode = @@ -353,9 +353,9 @@ static void mlx5e_build_umr_wqe(struct mlx5e_rq *rq, ucseg->flags = MLX5_UMR_TRANSLATION_OFFSET_EN; ucseg->klm_octowords = - cpu_to_be16(mlx5e_get_mtt_octw(MLX5_MPWRQ_PAGES_PER_WQE)); + cpu_to_be16(MLX5_MTT_OCTW(MLX5_MPWRQ_PAGES_PER_WQE)); ucseg->bsf_octowords = - cpu_to_be16(mlx5e_get_mtt_octw(umr_wqe_mtt_offset)); + cpu_to_be16(MLX5_MTT_OCTW(umr_wqe_mtt_offset)); ucseg->mkey_mask = cpu_to_be64(MLX5_MKEY_MASK_FREE); dseg->lkey = sq->mkey_be; @@ -423,7 +423,7 @@ static int mlx5e_alloc_rx_fragmented_mpwqe(struct mlx5e_rq *rq, { struct mlx5e_mpw_info *wi = &rq->wqe_info[ix]; int mtt_sz = mlx5e_get_wqe_mtt_sz(); - u32 dma_offset = mlx5e_get_wqe_mtt_offset(rq->ix, ix) << PAGE_SHIFT; + u64 dma_offset = (u64)mlx5e_get_wqe_mtt_offset(rq, ix) << PAGE_SHIFT; int i; wi->umr.dma_info = kmalloc(sizeof(*wi->umr.dma_info) * @@ -506,6 +506,12 @@ void mlx5e_post_rx_fragmented_mpwqe(struct mlx5e_rq *rq) struct mlx5e_rx_wqe *wqe = mlx5_wq_ll_get_wqe(wq, wq->head); clear_bit(MLX5E_RQ_STATE_UMR_WQE_IN_PROGRESS, &rq->state); + + if (unlikely(test_bit(MLX5E_RQ_STATE_FLUSH, &rq->state))) { + mlx5e_free_rx_fragmented_mpwqe(rq, &rq->wqe_info[wq->head]); + return; + } + mlx5_wq_ll_push(wq, be16_to_cpu(wqe->next.next_wqe_index)); rq->stats.mpwqe_frag++; @@ -595,26 +601,9 @@ void mlx5e_dealloc_rx_mpwqe(struct mlx5e_rq *rq, u16 ix) wi->free_wqe(rq, wi); } -void mlx5e_free_rx_descs(struct mlx5e_rq *rq) -{ - struct mlx5_wq_ll *wq = &rq->wq; - struct mlx5e_rx_wqe *wqe; - __be16 wqe_ix_be; - u16 wqe_ix; - - while (!mlx5_wq_ll_is_empty(wq)) { - wqe_ix_be = *wq->tail_next; - wqe_ix = be16_to_cpu(wqe_ix_be); - wqe = mlx5_wq_ll_get_wqe(&rq->wq, wqe_ix); - rq->dealloc_wqe(rq, wqe_ix); - mlx5_wq_ll_pop(&rq->wq, wqe_ix_be, - &wqe->next.next_wqe_index); - } -} - #define RQ_CANNOT_POST(rq) \ - (!test_bit(MLX5E_RQ_STATE_POST_WQES_ENABLE, &rq->state) || \ - test_bit(MLX5E_RQ_STATE_UMR_WQE_IN_PROGRESS, &rq->state)) + (test_bit(MLX5E_RQ_STATE_FLUSH, &rq->state) || \ + test_bit(MLX5E_RQ_STATE_UMR_WQE_IN_PROGRESS, &rq->state)) bool mlx5e_post_rx_wqes(struct mlx5e_rq *rq) { @@ -916,7 +905,7 @@ int mlx5e_poll_rx_cq(struct mlx5e_cq *cq, int budget) struct mlx5e_rq *rq = container_of(cq, struct mlx5e_rq, cq); int work_done = 0; - if (unlikely(test_bit(MLX5E_RQ_STATE_FLUSH_TIMEOUT, &rq->state))) + if (unlikely(test_bit(MLX5E_RQ_STATE_FLUSH, &rq->state))) return 0; if (cq->decmprs_left) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_stats.h b/drivers/net/ethernet/mellanox/mlx5/core/en_stats.h index 7b9d8a989b52..499487ce3b53 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_stats.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_stats.h @@ -70,6 +70,7 @@ struct mlx5e_sw_stats { u64 tx_queue_stopped; u64 tx_queue_wake; u64 tx_queue_dropped; + u64 tx_xmit_more; u64 rx_wqe_err; u64 rx_mpwqe_filler; u64 rx_mpwqe_frag; @@ -101,6 +102,7 @@ static const struct counter_desc sw_stats_desc[] = { { MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, tx_queue_stopped) }, { MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, tx_queue_wake) }, { MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, tx_queue_dropped) }, + { MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, tx_xmit_more) }, { MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, rx_wqe_err) }, { MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, rx_mpwqe_filler) }, { MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, rx_mpwqe_frag) }, @@ -298,6 +300,7 @@ struct mlx5e_sq_stats { /* commonly accessed in data path */ u64 packets; u64 bytes; + u64 xmit_more; u64 tso_packets; u64 tso_bytes; u64 tso_inner_packets; @@ -324,6 +327,7 @@ static const struct counter_desc sq_stats_desc[] = { { MLX5E_DECLARE_TX_STAT(struct mlx5e_sq_stats, stopped) }, { MLX5E_DECLARE_TX_STAT(struct mlx5e_sq_stats, wake) }, { MLX5E_DECLARE_TX_STAT(struct mlx5e_sq_stats, dropped) }, + { MLX5E_DECLARE_TX_STAT(struct mlx5e_sq_stats, xmit_more) }, }; #define NUM_SW_COUNTERS ARRAY_SIZE(sw_stats_desc) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c index dc8b1cb0fdc8..22cfc4ac1837 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c @@ -170,7 +170,7 @@ static int parse_cls_flower(struct mlx5e_priv *priv, struct mlx5_flow_spec *spec if (dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_CONTROL)) { struct flow_dissector_key_control *key = skb_flow_dissector_target(f->dissector, - FLOW_DISSECTOR_KEY_BASIC, + FLOW_DISSECTOR_KEY_CONTROL, f->key); addr_type = key->addr_type; } diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c index e073bf59890d..988eca99ee0f 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c @@ -375,6 +375,7 @@ static netdev_tx_t mlx5e_sq_xmit(struct mlx5e_sq *sq, struct sk_buff *skb) sq->stats.packets++; sq->stats.bytes += num_bytes; + sq->stats.xmit_more += skb->xmit_more; return NETDEV_TX_OK; dma_unmap_wqe_err: @@ -394,35 +395,6 @@ netdev_tx_t mlx5e_xmit(struct sk_buff *skb, struct net_device *dev) return mlx5e_sq_xmit(sq, skb); } -void mlx5e_free_tx_descs(struct mlx5e_sq *sq) -{ - struct mlx5e_tx_wqe_info *wi; - struct sk_buff *skb; - u16 ci; - int i; - - while (sq->cc != sq->pc) { - ci = sq->cc & sq->wq.sz_m1; - skb = sq->skb[ci]; - wi = &sq->wqe_info[ci]; - - if (!skb) { /* nop */ - sq->cc++; - continue; - } - - for (i = 0; i < wi->num_dma; i++) { - struct mlx5e_sq_dma *dma = - mlx5e_dma_get(sq, sq->dma_fifo_cc++); - - mlx5e_tx_dma_unmap(sq->pdev, dma); - } - - dev_kfree_skb_any(skb); - sq->cc += wi->num_wqebbs; - } -} - bool mlx5e_poll_tx_cq(struct mlx5e_cq *cq, int napi_budget) { struct mlx5e_sq *sq; @@ -434,7 +406,7 @@ bool mlx5e_poll_tx_cq(struct mlx5e_cq *cq, int napi_budget) sq = container_of(cq, struct mlx5e_sq, cq); - if (unlikely(test_bit(MLX5E_SQ_STATE_TX_TIMEOUT, &sq->state))) + if (unlikely(test_bit(MLX5E_SQ_STATE_FLUSH, &sq->state))) return false; npkts = 0; @@ -512,11 +484,39 @@ bool mlx5e_poll_tx_cq(struct mlx5e_cq *cq, int napi_budget) netdev_tx_completed_queue(sq->txq, npkts, nbytes); if (netif_tx_queue_stopped(sq->txq) && - mlx5e_sq_has_room_for(sq, MLX5E_SQ_STOP_ROOM) && - likely(test_bit(MLX5E_SQ_STATE_WAKE_TXQ_ENABLE, &sq->state))) { - netif_tx_wake_queue(sq->txq); - sq->stats.wake++; + mlx5e_sq_has_room_for(sq, MLX5E_SQ_STOP_ROOM)) { + netif_tx_wake_queue(sq->txq); + sq->stats.wake++; } return (i == MLX5E_TX_CQ_POLL_BUDGET); } + +void mlx5e_free_tx_descs(struct mlx5e_sq *sq) +{ + struct mlx5e_tx_wqe_info *wi; + struct sk_buff *skb; + u16 ci; + int i; + + while (sq->cc != sq->pc) { + ci = sq->cc & sq->wq.sz_m1; + skb = sq->skb[ci]; + wi = &sq->wqe_info[ci]; + + if (!skb) { /* nop */ + sq->cc++; + continue; + } + + for (i = 0; i < wi->num_dma; i++) { + struct mlx5e_sq_dma *dma = + mlx5e_dma_get(sq, sq->dma_fifo_cc++); + + mlx5e_tx_dma_unmap(sq->pdev, dma); + } + + dev_kfree_skb_any(skb); + sq->cc += wi->num_wqebbs; + } +} diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_txrx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_txrx.c index 64ae2e800daa..9bf33bb69210 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_txrx.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_txrx.c @@ -51,16 +51,18 @@ struct mlx5_cqe64 *mlx5e_get_cqe(struct mlx5e_cq *cq) static void mlx5e_poll_ico_cq(struct mlx5e_cq *cq) { + struct mlx5e_sq *sq = container_of(cq, struct mlx5e_sq, cq); struct mlx5_wq_cyc *wq; struct mlx5_cqe64 *cqe; - struct mlx5e_sq *sq; u16 sqcc; + if (unlikely(test_bit(MLX5E_SQ_STATE_FLUSH, &sq->state))) + return; + cqe = mlx5e_get_cqe(cq); if (likely(!cqe)) return; - sq = container_of(cq, struct mlx5e_sq, cq); wq = &sq->wq; /* sq->cc must be updated only after mlx5_cqwq_update_db_record(), diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c index 7c4935993b99..101430571d6d 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c @@ -1421,7 +1421,8 @@ static void esw_enable_vport(struct mlx5_eswitch *esw, int vport_num, esw_debug(esw->dev, "Enabling VPORT(%d)\n", vport_num); - if (vport_num) { /* Only VFs need ACLs for VST and spoofchk filtering */ + /* Only VFs need ACLs for VST and spoofchk filtering */ + if (vport_num && esw->mode == SRIOV_LEGACY) { esw_vport_ingress_config(esw, vport); esw_vport_egress_config(esw, vport); } @@ -1472,7 +1473,7 @@ static void esw_disable_vport(struct mlx5_eswitch *esw, int vport_num) */ esw_vport_change_handle_locked(vport); vport->enabled_events = 0; - if (vport_num) { + if (vport_num && esw->mode == SRIOV_LEGACY) { esw_vport_disable_egress_acl(esw, vport); esw_vport_disable_ingress_acl(esw, vport); } @@ -1737,7 +1738,7 @@ int mlx5_eswitch_set_vport_mac(struct mlx5_eswitch *esw, vport, err); mutex_lock(&esw->state_lock); - if (evport->enabled) + if (evport->enabled && esw->mode == SRIOV_LEGACY) err = esw_vport_ingress_config(esw, evport); mutex_unlock(&esw->state_lock); return err; @@ -1809,7 +1810,7 @@ int mlx5_eswitch_set_vport_vlan(struct mlx5_eswitch *esw, mutex_lock(&esw->state_lock); evport->vlan = vlan; evport->qos = qos; - if (evport->enabled) { + if (evport->enabled && esw->mode == SRIOV_LEGACY) { err = esw_vport_ingress_config(esw, evport); if (err) goto out; @@ -1838,10 +1839,11 @@ int mlx5_eswitch_set_vport_spoofchk(struct mlx5_eswitch *esw, mutex_lock(&esw->state_lock); pschk = evport->spoofchk; evport->spoofchk = spoofchk; - if (evport->enabled) + if (evport->enabled && esw->mode == SRIOV_LEGACY) { err = esw_vport_ingress_config(esw, evport); - if (err) - evport->spoofchk = pschk; + if (err) + evport->spoofchk = pschk; + } mutex_unlock(&esw->state_lock); return err; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h index c0b05603fc31..a96140971d77 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h @@ -174,6 +174,7 @@ struct mlx5_eswitch_rep { void *priv_data; struct list_head vport_sqs_list; bool valid; + u8 hw_id[ETH_ALEN]; }; struct mlx5_esw_offload { diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c index a357e8eeeed8..3dc83a9459a4 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c @@ -113,7 +113,7 @@ mlx5_eswitch_add_send_to_vport_rule(struct mlx5_eswitch *esw, int vport, u32 sqn dest.type = MLX5_FLOW_DESTINATION_TYPE_VPORT; dest.vport_num = vport; - flow_rule = mlx5_add_flow_rule(esw->fdb_table.fdb, spec, + flow_rule = mlx5_add_flow_rule(esw->fdb_table.offloads.fdb, spec, MLX5_FLOW_CONTEXT_ACTION_FWD_DEST, 0, &dest); if (IS_ERR(flow_rule)) @@ -535,7 +535,7 @@ void esw_offloads_cleanup(struct mlx5_eswitch *esw, int nvports) esw_destroy_offloads_fdb_table(esw); } -static int mlx5_esw_mode_from_devlink(u16 mode, u16 *mlx5_mode) +static int esw_mode_from_devlink(u16 mode, u16 *mlx5_mode) { switch (mode) { case DEVLINK_ESWITCH_MODE_LEGACY: @@ -551,6 +551,22 @@ static int mlx5_esw_mode_from_devlink(u16 mode, u16 *mlx5_mode) return 0; } +static int esw_mode_to_devlink(u16 mlx5_mode, u16 *mode) +{ + switch (mlx5_mode) { + case SRIOV_LEGACY: + *mode = DEVLINK_ESWITCH_MODE_LEGACY; + break; + case SRIOV_OFFLOADS: + *mode = DEVLINK_ESWITCH_MODE_SWITCHDEV; + break; + default: + return -EINVAL; + } + + return 0; +} + int mlx5_devlink_eswitch_mode_set(struct devlink *devlink, u16 mode) { struct mlx5_core_dev *dev; @@ -566,7 +582,7 @@ int mlx5_devlink_eswitch_mode_set(struct devlink *devlink, u16 mode) if (cur_mlx5_mode == SRIOV_NONE) return -EOPNOTSUPP; - if (mlx5_esw_mode_from_devlink(mode, &mlx5_mode)) + if (esw_mode_from_devlink(mode, &mlx5_mode)) return -EINVAL; if (cur_mlx5_mode == mlx5_mode) @@ -592,9 +608,7 @@ int mlx5_devlink_eswitch_mode_get(struct devlink *devlink, u16 *mode) if (dev->priv.eswitch->mode == SRIOV_NONE) return -EOPNOTSUPP; - *mode = dev->priv.eswitch->mode; - - return 0; + return esw_mode_to_devlink(dev->priv.eswitch->mode, mode); } void mlx5_eswitch_register_vport_rep(struct mlx5_eswitch *esw, diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c index f5571a5a57c5..5da2cc878582 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c @@ -80,7 +80,7 @@ LEFTOVERS_NUM_PRIOS) #define ETHTOOL_PRIO_NUM_LEVELS 1 -#define ETHTOOL_NUM_PRIOS 10 +#define ETHTOOL_NUM_PRIOS 11 #define ETHTOOL_MIN_LEVEL (KERNEL_MIN_LEVEL + ETHTOOL_NUM_PRIOS) /* Vlan, mac, ttc, aRFS */ #define KERNEL_NIC_PRIO_NUM_LEVELS 4 diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fs_counters.c b/drivers/net/ethernet/mellanox/mlx5/core/fs_counters.c index c2877e9de8a1..3a9195b4169d 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/fs_counters.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/fs_counters.c @@ -126,12 +126,21 @@ static struct rb_node *mlx5_fc_stats_query(struct mlx5_core_dev *dev, for (node = &first->node; node; node = rb_next(node)) { struct mlx5_fc *counter = rb_entry(node, struct mlx5_fc, node); struct mlx5_fc_cache *c = &counter->cache; + u64 packets; + u64 bytes; if (counter->id > last_id) break; mlx5_cmd_fc_bulk_get(dev, b, - counter->id, &c->packets, &c->bytes); + counter->id, &packets, &bytes); + + if (c->packets == packets) + continue; + + c->packets = packets; + c->bytes = bytes; + c->lastuse = jiffies; } out: diff --git a/drivers/net/ethernet/mellanox/mlx5/core/main.c b/drivers/net/ethernet/mellanox/mlx5/core/main.c index 28e3ce690e3f..c132ef1faefe 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/main.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/main.c @@ -1417,36 +1417,12 @@ static pci_ers_result_t mlx5_pci_err_detected(struct pci_dev *pdev, dev_info(&pdev->dev, "%s was called\n", __func__); mlx5_enter_error_state(dev); mlx5_unload_one(dev, priv); + pci_save_state(pdev); mlx5_pci_disable_device(dev); return state == pci_channel_io_perm_failure ? PCI_ERS_RESULT_DISCONNECT : PCI_ERS_RESULT_NEED_RESET; } -static pci_ers_result_t mlx5_pci_slot_reset(struct pci_dev *pdev) -{ - struct mlx5_core_dev *dev = pci_get_drvdata(pdev); - int err = 0; - - dev_info(&pdev->dev, "%s was called\n", __func__); - - err = mlx5_pci_enable_device(dev); - if (err) { - dev_err(&pdev->dev, "%s: mlx5_pci_enable_device failed with error code: %d\n" - , __func__, err); - return PCI_ERS_RESULT_DISCONNECT; - } - pci_set_master(pdev); - pci_set_power_state(pdev, PCI_D0); - pci_restore_state(pdev); - - return err ? PCI_ERS_RESULT_DISCONNECT : PCI_ERS_RESULT_RECOVERED; -} - -void mlx5_disable_device(struct mlx5_core_dev *dev) -{ - mlx5_pci_err_detected(dev->pdev, 0); -} - /* wait for the device to show vital signs by waiting * for the health counter to start counting. */ @@ -1474,21 +1450,44 @@ static int wait_vital(struct pci_dev *pdev) return -ETIMEDOUT; } -static void mlx5_pci_resume(struct pci_dev *pdev) +static pci_ers_result_t mlx5_pci_slot_reset(struct pci_dev *pdev) { struct mlx5_core_dev *dev = pci_get_drvdata(pdev); - struct mlx5_priv *priv = &dev->priv; int err; dev_info(&pdev->dev, "%s was called\n", __func__); - pci_save_state(pdev); - err = wait_vital(pdev); + err = mlx5_pci_enable_device(dev); if (err) { + dev_err(&pdev->dev, "%s: mlx5_pci_enable_device failed with error code: %d\n" + , __func__, err); + return PCI_ERS_RESULT_DISCONNECT; + } + + pci_set_master(pdev); + pci_restore_state(pdev); + + if (wait_vital(pdev)) { dev_err(&pdev->dev, "%s: wait_vital timed out\n", __func__); - return; + return PCI_ERS_RESULT_DISCONNECT; } + return PCI_ERS_RESULT_RECOVERED; +} + +void mlx5_disable_device(struct mlx5_core_dev *dev) +{ + mlx5_pci_err_detected(dev->pdev, 0); +} + +static void mlx5_pci_resume(struct pci_dev *pdev) +{ + struct mlx5_core_dev *dev = pci_get_drvdata(pdev); + struct mlx5_priv *priv = &dev->priv; + int err; + + dev_info(&pdev->dev, "%s was called\n", __func__); + err = mlx5_load_one(dev, priv); if (err) dev_err(&pdev->dev, "%s: mlx5_load_one failed with error code: %d\n" diff --git a/drivers/net/ethernet/mellanox/mlxsw/port.h b/drivers/net/ethernet/mellanox/mlxsw/port.h index f33b997f2b61..af371a82c35b 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/port.h +++ b/drivers/net/ethernet/mellanox/mlxsw/port.h @@ -56,6 +56,7 @@ #define MLXSW_PORT_PHY_BITS_MASK (MLXSW_PORT_MAX_PHY_PORTS - 1) #define MLXSW_PORT_CPU_PORT 0x0 +#define MLXSW_PORT_ROUTER_PORT (MLXSW_PORT_MAX_PHY_PORTS + 2) #define MLXSW_PORT_DONT_CARE (MLXSW_PORT_MAX_PORTS) diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c index 8c9c124724a6..6c6b726c4897 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c @@ -3248,6 +3248,39 @@ static struct mlxsw_sp_fid *mlxsw_sp_bridge_fid_get(struct mlxsw_sp *mlxsw_sp, return mlxsw_sp_fid_find(mlxsw_sp, fid); } +static enum mlxsw_flood_table_type mlxsw_sp_flood_table_type_get(u16 fid) +{ + return mlxsw_sp_fid_is_vfid(fid) ? MLXSW_REG_SFGC_TABLE_TYPE_FID : + MLXSW_REG_SFGC_TABLE_TYPE_FID_OFFEST; +} + +static u16 mlxsw_sp_flood_table_index_get(u16 fid) +{ + return mlxsw_sp_fid_is_vfid(fid) ? mlxsw_sp_fid_to_vfid(fid) : fid; +} + +static int mlxsw_sp_router_port_flood_set(struct mlxsw_sp *mlxsw_sp, u16 fid, + bool set) +{ + enum mlxsw_flood_table_type table_type; + char *sftr_pl; + u16 index; + int err; + + sftr_pl = kmalloc(MLXSW_REG_SFTR_LEN, GFP_KERNEL); + if (!sftr_pl) + return -ENOMEM; + + table_type = mlxsw_sp_flood_table_type_get(fid); + index = mlxsw_sp_flood_table_index_get(fid); + mlxsw_reg_sftr_pack(sftr_pl, MLXSW_SP_FLOOD_TABLE_BM, index, table_type, + 1, MLXSW_PORT_ROUTER_PORT, set); + err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sftr), sftr_pl); + + kfree(sftr_pl); + return err; +} + static enum mlxsw_reg_ritr_if_type mlxsw_sp_rif_type_get(u16 fid) { if (mlxsw_sp_fid_is_vfid(fid)) @@ -3284,10 +3317,14 @@ static int mlxsw_sp_rif_bridge_create(struct mlxsw_sp *mlxsw_sp, if (rif == MLXSW_SP_RIF_MAX) return -ERANGE; - err = mlxsw_sp_rif_bridge_op(mlxsw_sp, l3_dev, f->fid, rif, true); + err = mlxsw_sp_router_port_flood_set(mlxsw_sp, f->fid, true); if (err) return err; + err = mlxsw_sp_rif_bridge_op(mlxsw_sp, l3_dev, f->fid, rif, true); + if (err) + goto err_rif_bridge_op; + err = mlxsw_sp_rif_fdb_op(mlxsw_sp, l3_dev->dev_addr, f->fid, true); if (err) goto err_rif_fdb_op; @@ -3309,6 +3346,8 @@ err_rif_alloc: mlxsw_sp_rif_fdb_op(mlxsw_sp, l3_dev->dev_addr, f->fid, false); err_rif_fdb_op: mlxsw_sp_rif_bridge_op(mlxsw_sp, l3_dev, f->fid, rif, false); +err_rif_bridge_op: + mlxsw_sp_router_port_flood_set(mlxsw_sp, f->fid, false); return err; } @@ -3328,6 +3367,8 @@ void mlxsw_sp_rif_bridge_destroy(struct mlxsw_sp *mlxsw_sp, mlxsw_sp_rif_bridge_op(mlxsw_sp, l3_dev, f->fid, rif, false); + mlxsw_sp_router_port_flood_set(mlxsw_sp, f->fid, false); + netdev_dbg(l3_dev, "RIF=%d destroyed\n", rif); } diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_buffers.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_buffers.c index 237418a0e6e0..953b214f38d0 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_buffers.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_buffers.c @@ -717,22 +717,18 @@ int mlxsw_sp_sb_tc_pool_bind_set(struct mlxsw_core_port *mlxsw_core_port, u8 local_port = mlxsw_sp_port->local_port; u8 pg_buff = tc_index; enum mlxsw_reg_sbxx_dir dir = pool_type; - u8 pool = pool_index; + u8 pool = pool_get(pool_index); u32 max_buff; int err; + if (dir != dir_get(pool_index)) + return -EINVAL; + err = mlxsw_sp_sb_threshold_in(mlxsw_sp, pool, dir, threshold, &max_buff); if (err) return err; - if (pool_type == DEVLINK_SB_POOL_TYPE_EGRESS) { - if (pool < MLXSW_SP_SB_POOL_COUNT) - return -EINVAL; - pool -= MLXSW_SP_SB_POOL_COUNT; - } else if (pool >= MLXSW_SP_SB_POOL_COUNT) { - return -EINVAL; - } return mlxsw_sp_sb_cm_write(mlxsw_sp, local_port, pg_buff, dir, 0, max_buff, pool); } diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c index 90bb93b037ec..917ddd1e422f 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c @@ -657,7 +657,7 @@ int mlxsw_sp_router_neigh_construct(struct net_device *dev, return 0; } - r = mlxsw_sp_rif_find_by_dev(mlxsw_sp, dev); + r = mlxsw_sp_rif_find_by_dev(mlxsw_sp, n->dev); if (WARN_ON(!r)) return -EINVAL; |