X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fmlx5%2Fmlx5_rxtx_vec.h;h=6ddcbfb0ad28faf65cd4802fecc46a06b9c4f938;hb=6c29e209fe918ab0afe34686533ae0aca4fb98d8;hp=c41a9b96a0e84a46e2f8333abe6ceab25c3f3870;hpb=5bfc9fc112dd3c0f239af2488a7d8801f44ed3a3;p=dpdk.git diff --git a/drivers/net/mlx5/mlx5_rxtx_vec.h b/drivers/net/mlx5/mlx5_rxtx_vec.h index c41a9b96a0..6ddcbfb0ad 100644 --- a/drivers/net/mlx5/mlx5_rxtx_vec.h +++ b/drivers/net/mlx5/mlx5_rxtx_vec.h @@ -1,34 +1,6 @@ -/*- - * BSD LICENSE - * - * Copyright 2017 6WIND S.A. - * Copyright 2017 Mellanox. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * * Neither the name of 6WIND S.A. nor the names of its - * contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright 2017 6WIND S.A. + * Copyright 2017 Mellanox Technologies, Ltd */ #ifndef RTE_PMD_MLX5_RXTX_VEC_H_ @@ -37,8 +9,18 @@ #include #include +#include + #include "mlx5_autoconf.h" -#include "mlx5_prm.h" + +#include "mlx5_mr.h" + +/* HW checksum offload capabilities of vectorized Tx. */ +#define MLX5_VEC_TX_CKSUM_OFFLOAD_CAP \ + (DEV_TX_OFFLOAD_IPV4_CKSUM | \ + DEV_TX_OFFLOAD_UDP_CKSUM | \ + DEV_TX_OFFLOAD_TCP_CKSUM | \ + DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM) /* * Compile time sanity check for vectorized functions. @@ -68,20 +50,76 @@ S_ASSERT_RTE_MBUF(offsetof(struct rte_mbuf, pkt_len) == offsetof(struct rte_mbuf, rx_descriptor_fields1) + 4); S_ASSERT_RTE_MBUF(offsetof(struct rte_mbuf, data_len) == offsetof(struct rte_mbuf, rx_descriptor_fields1) + 8); +#if (RTE_CACHE_LINE_SIZE == 128) +S_ASSERT_MLX5_CQE(offsetof(struct mlx5_cqe, pkt_info) == 64); +#else S_ASSERT_MLX5_CQE(offsetof(struct mlx5_cqe, pkt_info) == 0); +#endif S_ASSERT_MLX5_CQE(offsetof(struct mlx5_cqe, rx_hash_res) == offsetof(struct mlx5_cqe, pkt_info) + 12); -S_ASSERT_MLX5_CQE(offsetof(struct mlx5_cqe, rsvd1) + - sizeof(((struct mlx5_cqe *)0)->rsvd1) == +S_ASSERT_MLX5_CQE(offsetof(struct mlx5_cqe, rsvd1) + 11 == offsetof(struct mlx5_cqe, hdr_type_etc)); S_ASSERT_MLX5_CQE(offsetof(struct mlx5_cqe, vlan_info) == offsetof(struct mlx5_cqe, hdr_type_etc) + 2); -S_ASSERT_MLX5_CQE(offsetof(struct mlx5_cqe, rsvd2) + - sizeof(((struct mlx5_cqe *)0)->rsvd2) == +S_ASSERT_MLX5_CQE(offsetof(struct mlx5_cqe, lro_num_seg) + 12 == offsetof(struct mlx5_cqe, byte_cnt)); S_ASSERT_MLX5_CQE(offsetof(struct mlx5_cqe, sop_drop_qpn) == RTE_ALIGN(offsetof(struct mlx5_cqe, sop_drop_qpn), 8)); S_ASSERT_MLX5_CQE(offsetof(struct mlx5_cqe, op_own) == offsetof(struct mlx5_cqe, sop_drop_qpn) + 7); +/** + * Replenish buffers for RX in bulk. + * + * @param rxq + * Pointer to RX queue structure. + * @param n + * Number of buffers to be replenished. + */ +static inline void +mlx5_rx_replenish_bulk_mbuf(struct mlx5_rxq_data *rxq, uint16_t n) +{ + const uint16_t q_n = 1 << rxq->elts_n; + const uint16_t q_mask = q_n - 1; + uint16_t elts_idx = rxq->rq_ci & q_mask; + struct rte_mbuf **elts = &(*rxq->elts)[elts_idx]; + volatile struct mlx5_wqe_data_seg *wq = + &((volatile struct mlx5_wqe_data_seg *)rxq->wqes)[elts_idx]; + unsigned int i; + + MLX5_ASSERT(n >= MLX5_VPMD_RXQ_RPLNSH_THRESH(q_n)); + MLX5_ASSERT(n <= (uint16_t)(q_n - (rxq->rq_ci - rxq->rq_pi))); + MLX5_ASSERT(MLX5_VPMD_RXQ_RPLNSH_THRESH(q_n) > + MLX5_VPMD_DESCS_PER_LOOP); + /* Not to cross queue end. */ + n = RTE_MIN(n - MLX5_VPMD_DESCS_PER_LOOP, q_n - elts_idx); + if (rte_mempool_get_bulk(rxq->mp, (void *)elts, n) < 0) { + rxq->stats.rx_nombuf += n; + return; + } + for (i = 0; i < n; ++i) { + void *buf_addr; + + /* + * In order to support the mbufs with external attached + * data buffer we should use the buf_addr pointer instead of + * rte_mbuf_buf_addr(). It touches the mbuf itself and may + * impact the performance. + */ + buf_addr = elts[i]->buf_addr; + wq[i].addr = rte_cpu_to_be_64((uintptr_t)buf_addr + + RTE_PKTMBUF_HEADROOM); + /* If there's only one MR, no need to replace LKey in WQE. */ + if (unlikely(mlx5_mr_btree_len(&rxq->mr_ctrl.cache_bh) > 1)) + wq[i].lkey = mlx5_rx_mb2mr(rxq, elts[i]); + } + rxq->rq_ci += n; + /* Prevent overflowing into consumed mbufs. */ + elts_idx = rxq->rq_ci & q_mask; + for (i = 0; i < MLX5_VPMD_DESCS_PER_LOOP; ++i) + (*rxq->elts)[elts_idx + i] = &rxq->fake_mbuf; + rte_cio_wmb(); + *rxq->rq_db = rte_cpu_to_be_32(rxq->rq_ci); +} + #endif /* RTE_PMD_MLX5_RXTX_VEC_H_ */