diff options
author | 2017-05-16 14:51:32 +0200 | |
---|---|---|
committer | 2017-05-16 16:20:45 +0200 | |
commit | 7595afa4d30097c1177b69257118d8ad89a539be (patch) | |
tree | 4bfeadc905c977e45e54a90c42330553b8942e4e /drivers/net/mlx5/mlx5_txq.c | |
parent | ce3d555e43e3795b5d9507fcfc76b7a0a92fd0d6 (diff) |
Imported Upstream version 17.05
Change-Id: Id1e419c5a214e4a18739663b91f0f9a549f1fdc6
Signed-off-by: Christian Ehrhardt <christian.ehrhardt@canonical.com>
Diffstat (limited to 'drivers/net/mlx5/mlx5_txq.c')
-rw-r--r-- | drivers/net/mlx5/mlx5_txq.c | 162 |
1 files changed, 69 insertions, 93 deletions
diff --git a/drivers/net/mlx5/mlx5_txq.c b/drivers/net/mlx5/mlx5_txq.c index 439908fc..de7e28be 100644 --- a/drivers/net/mlx5/mlx5_txq.c +++ b/drivers/net/mlx5/mlx5_txq.c @@ -82,7 +82,9 @@ txq_alloc_elts(struct txq_ctrl *txq_ctrl, unsigned int elts_n) for (i = 0; (i != elts_n); ++i) (*txq_ctrl->txq.elts)[i] = NULL; for (i = 0; (i != (1u << txq_ctrl->txq.wqe_n)); ++i) { - volatile struct mlx5_wqe64 *wqe = &(*txq_ctrl->txq.wqes)[i]; + volatile struct mlx5_wqe64 *wqe = + (volatile struct mlx5_wqe64 *) + txq_ctrl->txq.wqes + i; memset((void *)(uintptr_t)wqe, 0x0, sizeof(*wqe)); } @@ -138,48 +140,14 @@ txq_free_elts(struct txq_ctrl *txq_ctrl) void txq_cleanup(struct txq_ctrl *txq_ctrl) { - struct ibv_exp_release_intf_params params; size_t i; DEBUG("cleaning up %p", (void *)txq_ctrl); txq_free_elts(txq_ctrl); - if (txq_ctrl->if_qp != NULL) { - assert(txq_ctrl->priv != NULL); - assert(txq_ctrl->priv->ctx != NULL); - assert(txq_ctrl->qp != NULL); - params = (struct ibv_exp_release_intf_params){ - .comp_mask = 0, - }; - claim_zero(ibv_exp_release_intf(txq_ctrl->priv->ctx, - txq_ctrl->if_qp, - ¶ms)); - } - if (txq_ctrl->if_cq != NULL) { - assert(txq_ctrl->priv != NULL); - assert(txq_ctrl->priv->ctx != NULL); - assert(txq_ctrl->cq != NULL); - params = (struct ibv_exp_release_intf_params){ - .comp_mask = 0, - }; - claim_zero(ibv_exp_release_intf(txq_ctrl->priv->ctx, - txq_ctrl->if_cq, - ¶ms)); - } if (txq_ctrl->qp != NULL) claim_zero(ibv_destroy_qp(txq_ctrl->qp)); if (txq_ctrl->cq != NULL) claim_zero(ibv_destroy_cq(txq_ctrl->cq)); - if (txq_ctrl->rd != NULL) { - struct ibv_exp_destroy_res_domain_attr attr = { - .comp_mask = 0, - }; - - assert(txq_ctrl->priv != NULL); - assert(txq_ctrl->priv->ctx != NULL); - claim_zero(ibv_exp_destroy_res_domain(txq_ctrl->priv->ctx, - txq_ctrl->rd, - &attr)); - } for (i = 0; (i != RTE_DIM(txq_ctrl->txq.mp2mr)); ++i) { if (txq_ctrl->txq.mp2mr[i].mp == NULL) break; @@ -214,9 +182,7 @@ txq_setup(struct txq_ctrl *tmpl, struct txq_ctrl *txq_ctrl) } tmpl->txq.cqe_n = log2above(ibcq->cqe); tmpl->txq.qp_num_8s = qp->ctrl_seg.qp_num << 8; - tmpl->txq.wqes = - (volatile struct mlx5_wqe64 (*)[]) - (uintptr_t)qp->gen_data.sqstart; + tmpl->txq.wqes = qp->gen_data.sqstart; tmpl->txq.wqe_n = log2above(qp->sq.wqe_cnt); tmpl->txq.qp_db = &qp->gen_data.db[MLX5_SND_DBR]; tmpl->txq.bf_reg = qp->gen_data.bf->reg; @@ -258,14 +224,15 @@ txq_ctrl_setup(struct rte_eth_dev *dev, struct txq_ctrl *txq_ctrl, .socket = socket, }; union { - struct ibv_exp_query_intf_params params; struct ibv_exp_qp_init_attr init; - struct ibv_exp_res_domain_init_attr rd; struct ibv_exp_cq_init_attr cq; struct ibv_exp_qp_attr mod; struct ibv_exp_cq_attr cq_attr; } attr; - enum ibv_exp_query_intf_status status; + unsigned int cqe_n; + const unsigned int max_tso_inline = ((MLX5_MAX_TSO_HEADER + + (RTE_CACHE_LINE_SIZE - 1)) / + RTE_CACHE_LINE_SIZE); int ret = 0; if (mlx5_getenv_int("MLX5_ENABLE_CQE_COMPRESSION")) { @@ -276,27 +243,18 @@ txq_ctrl_setup(struct rte_eth_dev *dev, struct txq_ctrl *txq_ctrl, (void)conf; /* Thresholds configuration (ignored). */ assert(desc > MLX5_TX_COMP_THRESH); tmpl.txq.elts_n = log2above(desc); + if (priv->mps == MLX5_MPW_ENHANCED) + tmpl.txq.mpw_hdr_dseg = priv->mpw_hdr_dseg; /* MRs will be registered in mp2mr[] later. */ - attr.rd = (struct ibv_exp_res_domain_init_attr){ - .comp_mask = (IBV_EXP_RES_DOMAIN_THREAD_MODEL | - IBV_EXP_RES_DOMAIN_MSG_MODEL), - .thread_model = IBV_EXP_THREAD_SINGLE, - .msg_model = IBV_EXP_MSG_HIGH_BW, - }; - tmpl.rd = ibv_exp_create_res_domain(priv->ctx, &attr.rd); - if (tmpl.rd == NULL) { - ret = ENOMEM; - ERROR("%p: RD creation failure: %s", - (void *)dev, strerror(ret)); - goto error; - } attr.cq = (struct ibv_exp_cq_init_attr){ - .comp_mask = IBV_EXP_CQ_INIT_ATTR_RES_DOMAIN, - .res_domain = tmpl.rd, + .comp_mask = 0, }; + cqe_n = ((desc / MLX5_TX_COMP_THRESH) - 1) ? + ((desc / MLX5_TX_COMP_THRESH) - 1) : 1; + if (priv->mps == MLX5_MPW_ENHANCED) + cqe_n += MLX5_TX_COMP_THRESH_INLINE_DIV; tmpl.cq = ibv_exp_create_cq(priv->ctx, - (((desc / MLX5_TX_COMP_THRESH) - 1) ? - ((desc / MLX5_TX_COMP_THRESH) - 1) : 1), + cqe_n, NULL, NULL, 0, &attr.cq); if (tmpl.cq == NULL) { ret = ENOMEM; @@ -332,17 +290,52 @@ txq_ctrl_setup(struct rte_eth_dev *dev, struct txq_ctrl *txq_ctrl, * TX burst. */ .sq_sig_all = 0, .pd = priv->pd, - .res_domain = tmpl.rd, - .comp_mask = (IBV_EXP_QP_INIT_ATTR_PD | - IBV_EXP_QP_INIT_ATTR_RES_DOMAIN), + .comp_mask = IBV_EXP_QP_INIT_ATTR_PD, }; if (priv->txq_inline && (priv->txqs_n >= priv->txqs_inline)) { tmpl.txq.max_inline = ((priv->txq_inline + (RTE_CACHE_LINE_SIZE - 1)) / RTE_CACHE_LINE_SIZE); - attr.init.cap.max_inline_data = - tmpl.txq.max_inline * RTE_CACHE_LINE_SIZE; + tmpl.txq.inline_en = 1; + /* TSO and MPS can't be enabled concurrently. */ + assert(!priv->tso || !priv->mps); + if (priv->mps == MLX5_MPW_ENHANCED) { + tmpl.txq.inline_max_packet_sz = + priv->inline_max_packet_sz; + /* To minimize the size of data set, avoid requesting + * too large WQ. + */ + attr.init.cap.max_inline_data = + ((RTE_MIN(priv->txq_inline, + priv->inline_max_packet_sz) + + (RTE_CACHE_LINE_SIZE - 1)) / + RTE_CACHE_LINE_SIZE) * RTE_CACHE_LINE_SIZE; + } else if (priv->tso) { + int inline_diff = tmpl.txq.max_inline - max_tso_inline; + + /* + * Adjust inline value as Verbs aggregates + * tso_inline and txq_inline fields. + */ + attr.init.cap.max_inline_data = inline_diff > 0 ? + inline_diff * + RTE_CACHE_LINE_SIZE : + 0; + } else { + attr.init.cap.max_inline_data = + tmpl.txq.max_inline * RTE_CACHE_LINE_SIZE; + } } + if (priv->tso) { + attr.init.max_tso_header = + max_tso_inline * RTE_CACHE_LINE_SIZE; + attr.init.comp_mask |= IBV_EXP_QP_INIT_ATTR_MAX_TSO_HEADER; + tmpl.txq.max_inline = RTE_MAX(tmpl.txq.max_inline, + max_tso_inline); + tmpl.txq.tso_en = 1; + } + if (priv->tunnel_en) + tmpl.txq.tunnel_en = 1; tmpl.qp = ibv_exp_create_qp(priv->ctx, &attr.init); if (tmpl.qp == NULL) { ret = (errno ? errno : EINVAL); @@ -391,36 +384,6 @@ txq_ctrl_setup(struct rte_eth_dev *dev, struct txq_ctrl *txq_ctrl, (void *)dev, strerror(ret)); goto error; } - attr.params = (struct ibv_exp_query_intf_params){ - .intf_scope = IBV_EXP_INTF_GLOBAL, - .intf = IBV_EXP_INTF_CQ, - .obj = tmpl.cq, - }; - tmpl.if_cq = ibv_exp_query_intf(priv->ctx, &attr.params, &status); - if (tmpl.if_cq == NULL) { - ret = EINVAL; - ERROR("%p: CQ interface family query failed with status %d", - (void *)dev, status); - goto error; - } - attr.params = (struct ibv_exp_query_intf_params){ - .intf_scope = IBV_EXP_INTF_GLOBAL, - .intf = IBV_EXP_INTF_QP_BURST, - .intf_version = 1, - .obj = tmpl.qp, - /* Enable multi-packet send if supported. */ - .family_flags = - ((priv->mps && !priv->sriov) ? - IBV_EXP_QP_BURST_CREATE_ENABLE_MULTI_PACKET_SEND_WR : - 0), - }; - tmpl.if_qp = ibv_exp_query_intf(priv->ctx, &attr.params, &status); - if (tmpl.if_qp == NULL) { - ret = EINVAL; - ERROR("%p: QP interface family query failed with status %d", - (void *)dev, status); - goto error; - } /* Clean up txq in case we're reinitializing it. */ DEBUG("%p: cleaning-up old txq just in case", (void *)txq_ctrl); txq_cleanup(txq_ctrl); @@ -496,6 +459,19 @@ mlx5_tx_queue_setup(struct rte_eth_dev *dev, uint16_t idx, uint16_t desc, } (*priv->txqs)[idx] = NULL; txq_cleanup(txq_ctrl); + /* Resize if txq size is changed. */ + if (txq_ctrl->txq.elts_n != log2above(desc)) { + txq_ctrl = rte_realloc(txq_ctrl, + sizeof(*txq_ctrl) + + desc * sizeof(struct rte_mbuf *), + RTE_CACHE_LINE_SIZE); + if (!txq_ctrl) { + ERROR("%p: unable to reallocate queue index %u", + (void *)dev, idx); + priv_unlock(priv); + return -ENOMEM; + } + } } else { txq_ctrl = rte_calloc_socket("TXQ", 1, |