diff options
author | Tariq Toukan <tariqt@mellanox.com> | 2018-04-02 17:23:14 +0300 |
---|---|---|
committer | Saeed Mahameed <saeedm@mellanox.com> | 2018-06-01 16:48:15 -0700 |
commit | 422d4c401edd186722d7530ffdaf11a6bb542cab (patch) | |
tree | e4ba5e63488fc58dbd30482a6eb00fbfd65ab9e2 | |
parent | 6c3a823e1e9c645f30c5b03fefe87fea8881060b (diff) |
net/mlx5e: RX, Split WQ objects for different RQ types
Replace the common RQ WQ object with two separate ones for the
different RQ types.
This is in preparation for switching to using a cyclic WQ type
in Legacy RQ.
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
-rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/en.h | 4 | ||||
-rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/en_main.c | 128 | ||||
-rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/en_rx.c | 35 |
3 files changed, 110 insertions, 57 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en.h b/drivers/net/ethernet/mellanox/mlx5/core/en.h index 9b4ed83783e4..f2f2dcf6b23c 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/en.h @@ -498,10 +498,9 @@ enum mlx5e_rq_flag { struct mlx5e_rq { /* data path */ - struct mlx5_wq_ll wq; - union { struct { + struct mlx5_wq_ll wq; struct mlx5e_wqe_frag_info *frag_info; u32 frag_sz; /* max possible skb frag_sz */ union { @@ -509,6 +508,7 @@ struct mlx5e_rq { }; } wqe; struct { + struct mlx5_wq_ll wq; struct mlx5e_umr_wqe umr_wqe; struct mlx5e_mpw_info *info; mlx5e_fp_skb_from_cqe_mpwrq skb_from_cqe_mpwrq; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c index 3f1f0552843c..3a007717cba5 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c @@ -319,10 +319,30 @@ static inline void mlx5e_build_umr_wqe(struct mlx5e_rq *rq, ucseg->mkey_mask = cpu_to_be64(MLX5_MKEY_MASK_FREE); } +static u32 mlx5e_rqwq_get_size(struct mlx5e_rq *rq) +{ + switch (rq->wq_type) { + case MLX5_WQ_TYPE_LINKED_LIST_STRIDING_RQ: + return mlx5_wq_ll_get_size(&rq->mpwqe.wq); + default: + return mlx5_wq_ll_get_size(&rq->wqe.wq); + } +} + +static u32 mlx5e_rqwq_get_cur_sz(struct mlx5e_rq *rq) +{ + switch (rq->wq_type) { + case MLX5_WQ_TYPE_LINKED_LIST_STRIDING_RQ: + return rq->mpwqe.wq.cur_sz; + default: + return rq->wqe.wq.cur_sz; + } +} + static int mlx5e_rq_alloc_mpwqe_info(struct mlx5e_rq *rq, struct mlx5e_channel *c) { - int wq_sz = mlx5_wq_ll_get_size(&rq->wq); + int wq_sz = mlx5_wq_ll_get_size(&rq->mpwqe.wq); rq->mpwqe.info = kzalloc_node(wq_sz * sizeof(*rq->mpwqe.info), GFP_KERNEL, cpu_to_node(c->cpu)); @@ -370,7 +390,7 @@ static int mlx5e_create_umr_mkey(struct mlx5_core_dev *mdev, static int mlx5e_create_rq_umr_mkey(struct mlx5_core_dev *mdev, struct mlx5e_rq *rq) { - u64 num_mtts = MLX5E_REQUIRED_MTTS(mlx5_wq_ll_get_size(&rq->wq)); + u64 num_mtts = MLX5E_REQUIRED_MTTS(mlx5_wq_ll_get_size(&rq->mpwqe.wq)); return mlx5e_create_umr_mkey(mdev, num_mtts, PAGE_SHIFT, &rq->umr_mkey); } @@ -397,15 +417,6 @@ static int mlx5e_alloc_rq(struct mlx5e_channel *c, rqp->wq.db_numa_node = cpu_to_node(c->cpu); - err = mlx5_wq_ll_create(mdev, &rqp->wq, rqc_wq, &rq->wq, - &rq->wq_ctrl); - if (err) - return err; - - rq->wq.db = &rq->wq.db[MLX5_RCV_DBR]; - - wq_sz = mlx5_wq_ll_get_size(&rq->wq); - rq->wq_type = params->rq_wq_type; rq->pdev = c->pdev; rq->netdev = c->netdev; @@ -434,8 +445,17 @@ static int mlx5e_alloc_rq(struct mlx5e_channel *c, switch (rq->wq_type) { case MLX5_WQ_TYPE_LINKED_LIST_STRIDING_RQ: + err = mlx5_wq_ll_create(mdev, &rqp->wq, rqc_wq, &rq->mpwqe.wq, + &rq->wq_ctrl); + if (err) + return err; + + rq->mpwqe.wq.db = &rq->mpwqe.wq.db[MLX5_RCV_DBR]; + + wq_sz = mlx5_wq_ll_get_size(&rq->mpwqe.wq); pool_size = MLX5_MPWRQ_PAGES_PER_WQE << mlx5e_mpwqe_get_log_rq_size(params); + rq->post_wqes = mlx5e_post_rx_mpwqes; rq->dealloc_wqe = mlx5e_dealloc_rx_mpwqe; @@ -472,6 +492,15 @@ static int mlx5e_alloc_rq(struct mlx5e_channel *c, goto err_destroy_umr_mkey; break; default: /* MLX5_WQ_TYPE_LINKED_LIST */ + err = mlx5_wq_ll_create(mdev, &rqp->wq, rqc_wq, &rq->wqe.wq, + &rq->wq_ctrl); + if (err) + return err; + + rq->wqe.wq.db = &rq->wqe.wq.db[MLX5_RCV_DBR]; + + wq_sz = mlx5_wq_ll_get_size(&rq->wqe.wq); + rq->wqe.frag_info = kzalloc_node(wq_sz * sizeof(*rq->wqe.frag_info), GFP_KERNEL, cpu_to_node(c->cpu)); @@ -538,16 +567,21 @@ static int mlx5e_alloc_rq(struct mlx5e_channel *c, goto err_rq_wq_destroy; for (i = 0; i < wq_sz; i++) { - struct mlx5e_rx_wqe *wqe = mlx5_wq_ll_get_wqe(&rq->wq, i); - if (rq->wq_type == MLX5_WQ_TYPE_LINKED_LIST_STRIDING_RQ) { + struct mlx5e_rx_wqe *wqe = + mlx5_wq_ll_get_wqe(&rq->mpwqe.wq, i); u64 dma_offset = mlx5e_get_mpwqe_offset(rq, i); wqe->data.addr = cpu_to_be64(dma_offset + rq->buff.headroom); - } + wqe->data.byte_count = cpu_to_be32(byte_count); + wqe->data.lkey = rq->mkey_be; + } else { + struct mlx5e_rx_wqe *wqe = + mlx5_wq_ll_get_wqe(&rq->wqe.wq, i); - wqe->data.byte_count = cpu_to_be32(byte_count); - wqe->data.lkey = rq->mkey_be; + wqe->data.byte_count = cpu_to_be32(byte_count); + wqe->data.lkey = rq->mkey_be; + } } INIT_WORK(&rq->dim.work, mlx5e_rx_dim_work); @@ -744,51 +778,65 @@ static int mlx5e_wait_for_min_rx_wqes(struct mlx5e_rq *rq, int wait_time) unsigned long exp_time = jiffies + msecs_to_jiffies(wait_time); struct mlx5e_channel *c = rq->channel; - struct mlx5_wq_ll *wq = &rq->wq; - u16 min_wqes = mlx5_min_rx_wqes(rq->wq_type, mlx5_wq_ll_get_size(wq)); + u16 min_wqes = mlx5_min_rx_wqes(rq->wq_type, mlx5e_rqwq_get_size(rq)); do { - if (wq->cur_sz >= min_wqes) + if (mlx5e_rqwq_get_cur_sz(rq) >= min_wqes) return 0; msleep(20); } while (time_before(jiffies, exp_time)); netdev_warn(c->netdev, "Failed to get min RX wqes on Channel[%d] RQN[0x%x] wq cur_sz(%d) min_rx_wqes(%d)\n", - c->ix, rq->rqn, wq->cur_sz, min_wqes); + c->ix, rq->rqn, mlx5e_rqwq_get_cur_sz(rq), min_wqes); 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 (rq->wq_type == MLX5_WQ_TYPE_LINKED_LIST_STRIDING_RQ && - rq->mpwqe.umr_in_progress) - mlx5e_free_rx_mpwqe(rq, &rq->mpwqe.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); - } + if (rq->wq_type == MLX5_WQ_TYPE_LINKED_LIST_STRIDING_RQ) { + struct mlx5_wq_ll *wq = &rq->mpwqe.wq; + + if (rq->mpwqe.umr_in_progress) + mlx5e_free_rx_mpwqe(rq, &rq->mpwqe.info[wq->head]); + + while (!mlx5_wq_ll_is_empty(wq)) { + struct mlx5e_rx_wqe *wqe; + + wqe_ix_be = *wq->tail_next; + wqe_ix = be16_to_cpu(wqe_ix_be); + wqe = mlx5_wq_ll_get_wqe(wq, wqe_ix); + rq->dealloc_wqe(rq, wqe_ix); + mlx5_wq_ll_pop(wq, wqe_ix_be, + &wqe->next.next_wqe_index); + } + } else { + struct mlx5_wq_ll *wq = &rq->wqe.wq; + + while (!mlx5_wq_ll_is_empty(wq)) { + struct mlx5e_rx_wqe *wqe; + + wqe_ix_be = *wq->tail_next; + wqe_ix = be16_to_cpu(wqe_ix_be); + wqe = mlx5_wq_ll_get_wqe(wq, wqe_ix); + rq->dealloc_wqe(rq, wqe_ix); + mlx5_wq_ll_pop(wq, wqe_ix_be, + &wqe->next.next_wqe_index); + } - if (rq->wq_type == MLX5_WQ_TYPE_LINKED_LIST && rq->wqe.page_reuse) { /* Clean outstanding pages on handled WQEs that decided to do page-reuse, * but yet to be re-posted. */ - int wq_sz = mlx5_wq_ll_get_size(&rq->wq); + if (rq->wqe.page_reuse) { + int wq_sz = mlx5_wq_ll_get_size(wq); - for (wqe_ix = 0; wqe_ix < wq_sz; wqe_ix++) - rq->dealloc_wqe(rq, wqe_ix); + for (wqe_ix = 0; wqe_ix < wq_sz; wqe_ix++) + rq->dealloc_wqe(rq, wqe_ix); + } } } @@ -2809,7 +2857,7 @@ static int mlx5e_alloc_drop_rq(struct mlx5_core_dev *mdev, param->wq.db_numa_node = param->wq.buf_numa_node; - err = mlx5_wq_ll_create(mdev, ¶m->wq, rqc_wq, &rq->wq, + err = mlx5_wq_ll_create(mdev, ¶m->wq, rqc_wq, &rq->wqe.wq, &rq->wq_ctrl); if (err) return err; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c index 634540afdcfc..3b12d4de5b98 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c @@ -113,7 +113,7 @@ static inline void mlx5e_decompress_cqe(struct mlx5e_rq *rq, mpwrq_get_cqe_consumed_strides(&cq->title); else cq->decmprs_wqe_counter = - mlx5_wq_ll_ctr2ix(&rq->wq, cq->decmprs_wqe_counter + 1); + mlx5_wq_ll_ctr2ix(&rq->wqe.wq, cq->decmprs_wqe_counter + 1); } static inline void mlx5e_decompress_cqe_no_hash(struct mlx5e_rq *rq, @@ -369,7 +369,7 @@ void mlx5e_free_rx_mpwqe(struct mlx5e_rq *rq, struct mlx5e_mpw_info *wi) static void mlx5e_post_rx_mpwqe(struct mlx5e_rq *rq) { - struct mlx5_wq_ll *wq = &rq->wq; + struct mlx5_wq_ll *wq = &rq->mpwqe.wq; struct mlx5e_rx_wqe *wqe = mlx5_wq_ll_get_wqe(wq, wq->head); rq->mpwqe.umr_in_progress = false; @@ -470,7 +470,7 @@ void mlx5e_dealloc_rx_mpwqe(struct mlx5e_rq *rq, u16 ix) bool mlx5e_post_rx_wqes(struct mlx5e_rq *rq) { - struct mlx5_wq_ll *wq = &rq->wq; + struct mlx5_wq_ll *wq = &rq->wqe.wq; int err; if (unlikely(!test_bit(MLX5E_RQ_STATE_ENABLED, &rq->state))) @@ -546,7 +546,7 @@ static void mlx5e_poll_ico_cq(struct mlx5e_cq *cq, struct mlx5e_rq *rq) bool mlx5e_post_rx_mpwqes(struct mlx5e_rq *rq) { - struct mlx5_wq_ll *wq = &rq->wq; + struct mlx5_wq_ll *wq = &rq->mpwqe.wq; if (unlikely(!test_bit(MLX5E_RQ_STATE_ENABLED, &rq->state))) return false; @@ -987,6 +987,7 @@ struct sk_buff *skb_from_cqe(struct mlx5e_rq *rq, struct mlx5_cqe64 *cqe, void mlx5e_handle_rx_cqe(struct mlx5e_rq *rq, struct mlx5_cqe64 *cqe) { + struct mlx5_wq_ll *wq = &rq->wqe.wq; struct mlx5e_wqe_frag_info *wi; struct mlx5e_rx_wqe *wqe; __be16 wqe_counter_be; @@ -996,7 +997,7 @@ void mlx5e_handle_rx_cqe(struct mlx5e_rq *rq, struct mlx5_cqe64 *cqe) wqe_counter_be = cqe->wqe_counter; wqe_counter = be16_to_cpu(wqe_counter_be); - wqe = mlx5_wq_ll_get_wqe(&rq->wq, wqe_counter); + wqe = mlx5_wq_ll_get_wqe(wq, wqe_counter); wi = &rq->wqe.frag_info[wqe_counter]; cqe_bcnt = be32_to_cpu(cqe->byte_cnt); @@ -1018,7 +1019,7 @@ void mlx5e_handle_rx_cqe(struct mlx5e_rq *rq, struct mlx5_cqe64 *cqe) mlx5e_free_rx_wqe_reuse(rq, wi); wq_ll_pop: - mlx5_wq_ll_pop(&rq->wq, wqe_counter_be, + mlx5_wq_ll_pop(wq, wqe_counter_be, &wqe->next.next_wqe_index); } @@ -1029,6 +1030,7 @@ void mlx5e_handle_rx_cqe_rep(struct mlx5e_rq *rq, struct mlx5_cqe64 *cqe) struct mlx5e_priv *priv = netdev_priv(netdev); struct mlx5e_rep_priv *rpriv = priv->ppriv; struct mlx5_eswitch_rep *rep = rpriv->rep; + struct mlx5_wq_ll *wq = &rq->wqe.wq; struct mlx5e_wqe_frag_info *wi; struct mlx5e_rx_wqe *wqe; struct sk_buff *skb; @@ -1038,7 +1040,7 @@ void mlx5e_handle_rx_cqe_rep(struct mlx5e_rq *rq, struct mlx5_cqe64 *cqe) wqe_counter_be = cqe->wqe_counter; wqe_counter = be16_to_cpu(wqe_counter_be); - wqe = mlx5_wq_ll_get_wqe(&rq->wq, wqe_counter); + wqe = mlx5_wq_ll_get_wqe(wq, wqe_counter); wi = &rq->wqe.frag_info[wqe_counter]; cqe_bcnt = be32_to_cpu(cqe->byte_cnt); @@ -1063,7 +1065,7 @@ void mlx5e_handle_rx_cqe_rep(struct mlx5e_rq *rq, struct mlx5_cqe64 *cqe) mlx5e_free_rx_wqe_reuse(rq, wi); wq_ll_pop: - mlx5_wq_ll_pop(&rq->wq, wqe_counter_be, + mlx5_wq_ll_pop(wq, wqe_counter_be, &wqe->next.next_wqe_index); } #endif @@ -1164,6 +1166,7 @@ void mlx5e_handle_rx_cqe_mpwrq(struct mlx5e_rq *rq, struct mlx5_cqe64 *cqe) u32 head_offset = wqe_offset & (PAGE_SIZE - 1); u32 page_idx = wqe_offset >> PAGE_SHIFT; struct mlx5e_rx_wqe *wqe; + struct mlx5_wq_ll *wq; struct sk_buff *skb; u16 cqe_bcnt; @@ -1193,9 +1196,10 @@ mpwrq_cqe_out: if (likely(wi->consumed_strides < rq->mpwqe.num_strides)) return; - wqe = mlx5_wq_ll_get_wqe(&rq->wq, wqe_id); + wq = &rq->mpwqe.wq; + wqe = mlx5_wq_ll_get_wqe(wq, wqe_id); mlx5e_free_rx_mpwqe(rq, wi); - mlx5_wq_ll_pop(&rq->wq, cqe->wqe_id, &wqe->next.next_wqe_index); + mlx5_wq_ll_pop(wq, cqe->wqe_id, &wqe->next.next_wqe_index); } int mlx5e_poll_rx_cq(struct mlx5e_cq *cq, int budget) @@ -1399,6 +1403,7 @@ static inline void mlx5i_complete_rx_cqe(struct mlx5e_rq *rq, void mlx5i_handle_rx_cqe(struct mlx5e_rq *rq, struct mlx5_cqe64 *cqe) { + struct mlx5_wq_ll *wq = &rq->wqe.wq; struct mlx5e_wqe_frag_info *wi; struct mlx5e_rx_wqe *wqe; __be16 wqe_counter_be; @@ -1408,7 +1413,7 @@ void mlx5i_handle_rx_cqe(struct mlx5e_rq *rq, struct mlx5_cqe64 *cqe) wqe_counter_be = cqe->wqe_counter; wqe_counter = be16_to_cpu(wqe_counter_be); - wqe = mlx5_wq_ll_get_wqe(&rq->wq, wqe_counter); + wqe = mlx5_wq_ll_get_wqe(wq, wqe_counter); wi = &rq->wqe.frag_info[wqe_counter]; cqe_bcnt = be32_to_cpu(cqe->byte_cnt); @@ -1425,7 +1430,7 @@ void mlx5i_handle_rx_cqe(struct mlx5e_rq *rq, struct mlx5_cqe64 *cqe) wq_free_wqe: mlx5e_free_rx_wqe_reuse(rq, wi); - mlx5_wq_ll_pop(&rq->wq, wqe_counter_be, + mlx5_wq_ll_pop(wq, wqe_counter_be, &wqe->next.next_wqe_index); } @@ -1435,6 +1440,7 @@ wq_free_wqe: void mlx5e_ipsec_handle_rx_cqe(struct mlx5e_rq *rq, struct mlx5_cqe64 *cqe) { + struct mlx5_wq_ll *wq = &rq->wqe.wq; struct mlx5e_wqe_frag_info *wi; struct mlx5e_rx_wqe *wqe; __be16 wqe_counter_be; @@ -1444,7 +1450,7 @@ void mlx5e_ipsec_handle_rx_cqe(struct mlx5e_rq *rq, struct mlx5_cqe64 *cqe) wqe_counter_be = cqe->wqe_counter; wqe_counter = be16_to_cpu(wqe_counter_be); - wqe = mlx5_wq_ll_get_wqe(&rq->wq, wqe_counter); + wqe = mlx5_wq_ll_get_wqe(wq, wqe_counter); wi = &rq->wqe.frag_info[wqe_counter]; cqe_bcnt = be32_to_cpu(cqe->byte_cnt); @@ -1465,8 +1471,7 @@ void mlx5e_ipsec_handle_rx_cqe(struct mlx5e_rq *rq, struct mlx5_cqe64 *cqe) mlx5e_free_rx_wqe_reuse(rq, wi); wq_ll_pop: - mlx5_wq_ll_pop(&rq->wq, wqe_counter_be, - &wqe->next.next_wqe_index); + mlx5_wq_ll_pop(wq, wqe_counter_be, &wqe->next.next_wqe_index); } #endif /* CONFIG_MLX5_EN_IPSEC */ |