-/*-
- * BSD LICENSE
- *
- * Copyright 2015 6WIND S.A.
- * Copyright 2015 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 2015 6WIND S.A.
+ * Copyright 2015 Mellanox.
*/
#include <assert.h>
unsigned int j = 0;
unsigned int k = 0;
uint16_t max_elts;
- unsigned int max_inline = txq->max_inline;
- const unsigned int inline_en = !!max_inline && txq->inline_en;
uint16_t max_wqe;
unsigned int comp;
- volatile struct mlx5_wqe_v *wqe = NULL;
volatile struct mlx5_wqe_ctrl *last_wqe = NULL;
unsigned int segs_n = 0;
- struct rte_mbuf *buf = NULL;
- uint8_t *raw;
+ const unsigned int max_inline = txq->max_inline;
if (unlikely(!pkts_n))
return 0;
/* Start processing. */
mlx5_tx_complete(txq);
max_elts = (elts_n - (elts_head - txq->elts_tail));
+ /* A CQE slot must always be available. */
+ assert((1u << txq->cqe_n) - (txq->cq_pi - txq->cq_ci));
max_wqe = (1u << txq->wqe_n) - (txq->wqe_ci - txq->wqe_pi);
if (unlikely(!max_wqe))
return 0;
do {
+ struct rte_mbuf *buf = NULL;
+ uint8_t *raw;
+ volatile struct mlx5_wqe_v *wqe = NULL;
volatile rte_v128u32_t *dseg = NULL;
uint32_t length;
unsigned int ds = 0;
unsigned int sg = 0; /* counter of additional segs attached. */
uintptr_t addr;
- uint64_t naddr;
uint16_t pkt_inline_sz = MLX5_WQE_DWORD_SIZE + 2;
uint16_t tso_header_sz = 0;
uint16_t ehdr;
- uint8_t cs_flags = 0;
+ uint8_t cs_flags;
uint64_t tso = 0;
uint16_t tso_segsz = 0;
#ifdef MLX5_PMD_SOFT_COUNTERS
if (max_elts < segs_n)
break;
max_elts -= segs_n;
- --segs_n;
+ sg = --segs_n;
if (unlikely(--max_wqe == 0))
break;
wqe = (volatile struct mlx5_wqe_v *)
if (pkts_n - i > 1)
rte_prefetch0(
rte_pktmbuf_mtod(*(pkts + 1), volatile void *));
- /* Should we enable HW CKSUM offload */
- if (buf->ol_flags &
- (PKT_TX_IP_CKSUM | PKT_TX_TCP_CKSUM | PKT_TX_UDP_CKSUM)) {
- const uint64_t is_tunneled = buf->ol_flags &
- (PKT_TX_TUNNEL_GRE |
- PKT_TX_TUNNEL_VXLAN);
-
- if (is_tunneled && txq->tunnel_en) {
- cs_flags = MLX5_ETH_WQE_L3_INNER_CSUM |
- MLX5_ETH_WQE_L4_INNER_CSUM;
- if (buf->ol_flags & PKT_TX_OUTER_IP_CKSUM)
- cs_flags |= MLX5_ETH_WQE_L3_CSUM;
- } else {
- cs_flags = MLX5_ETH_WQE_L3_CSUM |
- MLX5_ETH_WQE_L4_CSUM;
- }
- }
+ cs_flags = txq_ol_cksum_to_cs(txq, buf);
raw = ((uint8_t *)(uintptr_t)wqe) + 2 * MLX5_WQE_DWORD_SIZE;
/* Replace the Ethernet type by the VLAN if necessary. */
if (buf->ol_flags & PKT_TX_VLAN_PKT) {
addr += pkt_inline_sz;
}
raw += MLX5_WQE_DWORD_SIZE;
- if (txq->tso_en) {
- tso = buf->ol_flags & PKT_TX_TCP_SEG;
- if (tso) {
- uintptr_t end = (uintptr_t)
- (((uintptr_t)txq->wqes) +
- (1 << txq->wqe_n) *
- MLX5_WQE_SIZE);
- unsigned int copy_b;
- uint8_t vlan_sz = (buf->ol_flags &
- PKT_TX_VLAN_PKT) ? 4 : 0;
- const uint64_t is_tunneled =
- buf->ol_flags &
- (PKT_TX_TUNNEL_GRE |
- PKT_TX_TUNNEL_VXLAN);
-
- tso_header_sz = buf->l2_len + vlan_sz +
- buf->l3_len + buf->l4_len;
- tso_segsz = buf->tso_segsz;
- if (unlikely(tso_segsz == 0)) {
- txq->stats.oerrors++;
- break;
- }
- if (is_tunneled && txq->tunnel_en) {
- tso_header_sz += buf->outer_l2_len +
- buf->outer_l3_len;
- cs_flags |= MLX5_ETH_WQE_L4_INNER_CSUM;
- } else {
- cs_flags |= MLX5_ETH_WQE_L4_CSUM;
- }
- if (unlikely(tso_header_sz >
- MLX5_MAX_TSO_HEADER)) {
- txq->stats.oerrors++;
+ tso = txq->tso_en && (buf->ol_flags & PKT_TX_TCP_SEG);
+ if (tso) {
+ uintptr_t end =
+ (uintptr_t)(((uintptr_t)txq->wqes) +
+ (1 << txq->wqe_n) * MLX5_WQE_SIZE);
+ unsigned int copy_b;
+ uint8_t vlan_sz =
+ (buf->ol_flags & PKT_TX_VLAN_PKT) ? 4 : 0;
+ const uint64_t is_tunneled =
+ buf->ol_flags & (PKT_TX_TUNNEL_GRE |
+ PKT_TX_TUNNEL_VXLAN);
+
+ tso_header_sz = buf->l2_len + vlan_sz +
+ buf->l3_len + buf->l4_len;
+ tso_segsz = buf->tso_segsz;
+ if (unlikely(tso_segsz == 0)) {
+ txq->stats.oerrors++;
+ break;
+ }
+ if (is_tunneled && txq->tunnel_en) {
+ tso_header_sz += buf->outer_l2_len +
+ buf->outer_l3_len;
+ cs_flags |= MLX5_ETH_WQE_L4_INNER_CSUM;
+ } else {
+ cs_flags |= MLX5_ETH_WQE_L4_CSUM;
+ }
+ if (unlikely(tso_header_sz > MLX5_MAX_TSO_HEADER)) {
+ txq->stats.oerrors++;
+ break;
+ }
+ copy_b = tso_header_sz - pkt_inline_sz;
+ /* First seg must contain all headers. */
+ assert(copy_b <= length);
+ if (copy_b && ((end - (uintptr_t)raw) > copy_b)) {
+ uint16_t n = (MLX5_WQE_DS(copy_b) - 1 + 3) / 4;
+
+ if (unlikely(max_wqe < n))
break;
- }
- copy_b = tso_header_sz - pkt_inline_sz;
- /* First seg must contain all headers. */
- assert(copy_b <= length);
- if (copy_b &&
- ((end - (uintptr_t)raw) > copy_b)) {
- uint16_t n = (MLX5_WQE_DS(copy_b) -
- 1 + 3) / 4;
-
- if (unlikely(max_wqe < n))
- break;
- max_wqe -= n;
- rte_memcpy((void *)raw,
- (void *)addr, copy_b);
- addr += copy_b;
- length -= copy_b;
- /* Include padding for TSO header. */
- copy_b = MLX5_WQE_DS(copy_b) *
- MLX5_WQE_DWORD_SIZE;
- pkt_inline_sz += copy_b;
- raw += copy_b;
- } else {
- /* NOP WQE. */
- wqe->ctrl = (rte_v128u32_t){
- rte_cpu_to_be_32(
- txq->wqe_ci << 8),
- rte_cpu_to_be_32(
- txq->qp_num_8s | 1),
- 0,
- 0,
- };
- ds = 1;
+ max_wqe -= n;
+ rte_memcpy((void *)raw, (void *)addr, copy_b);
+ addr += copy_b;
+ length -= copy_b;
+ /* Include padding for TSO header. */
+ copy_b = MLX5_WQE_DS(copy_b) *
+ MLX5_WQE_DWORD_SIZE;
+ pkt_inline_sz += copy_b;
+ raw += copy_b;
+ } else {
+ /* NOP WQE. */
+ wqe->ctrl = (rte_v128u32_t){
+ rte_cpu_to_be_32(txq->wqe_ci << 8),
+ rte_cpu_to_be_32(txq->qp_num_8s | 1),
+ 0,
+ 0,
+ };
+ ds = 1;
#ifdef MLX5_PMD_SOFT_COUNTERS
- total_length = 0;
+ total_length = 0;
#endif
- k++;
- goto next_wqe;
- }
+ k++;
+ goto next_wqe;
}
}
/* Inline if enough room. */
- if (inline_en || tso) {
- uint32_t inl;
+ if (max_inline || tso) {
+ uint32_t inl = 0;
uintptr_t end = (uintptr_t)
(((uintptr_t)txq->wqes) +
(1 << txq->wqe_n) * MLX5_WQE_SIZE);
RTE_CACHE_LINE_SIZE -
(pkt_inline_sz - 2) -
!!tso * sizeof(inl);
- uintptr_t addr_end = (addr + inline_room) &
- ~(RTE_CACHE_LINE_SIZE - 1);
- unsigned int copy_b = (addr_end > addr) ?
- RTE_MIN((addr_end - addr), length) :
- 0;
-
+ uintptr_t addr_end;
+ unsigned int copy_b;
+
+pkt_inline:
+ addr_end = RTE_ALIGN_FLOOR(addr + inline_room,
+ RTE_CACHE_LINE_SIZE);
+ copy_b = (addr_end > addr) ?
+ RTE_MIN((addr_end - addr), length) : 0;
if (copy_b && ((end - (uintptr_t)raw) > copy_b)) {
/*
* One Dseg remains in the current WQE. To
if (unlikely(max_wqe < n))
break;
max_wqe -= n;
- if (tso) {
+ if (tso && !inl) {
inl = rte_cpu_to_be_32(copy_b |
MLX5_INLINE_SEG);
rte_memcpy((void *)raw,
} else if (!segs_n) {
goto next_pkt;
} else {
- /* dseg will be advance as part of next_seg */
- dseg = (volatile rte_v128u32_t *)
- ((uintptr_t)wqe +
- ((ds - 1) * MLX5_WQE_DWORD_SIZE));
- goto next_seg;
+ raw += copy_b;
+ inline_room -= copy_b;
+ --segs_n;
+ buf = buf->next;
+ assert(buf);
+ addr = rte_pktmbuf_mtod(buf, uintptr_t);
+ length = DATA_LEN(buf);
+#ifdef MLX5_PMD_SOFT_COUNTERS
+ total_length += length;
+#endif
+ (*txq->elts)[++elts_head & elts_m] = buf;
+ goto pkt_inline;
}
} else {
/*
ds = 3;
use_dseg:
/* Add the remaining packet as a simple ds. */
- naddr = rte_cpu_to_be_64(addr);
+ addr = rte_cpu_to_be_64(addr);
*dseg = (rte_v128u32_t){
rte_cpu_to_be_32(length),
mlx5_tx_mb2mr(txq, buf),
- naddr,
- naddr >> 32,
+ addr,
+ addr >> 32,
};
++ds;
if (!segs_n)
total_length += length;
#endif
/* Store segment information. */
- naddr = rte_cpu_to_be_64(rte_pktmbuf_mtod(buf, uintptr_t));
+ addr = rte_cpu_to_be_64(rte_pktmbuf_mtod(buf, uintptr_t));
*dseg = (rte_v128u32_t){
rte_cpu_to_be_32(length),
mlx5_tx_mb2mr(txq, buf),
- naddr,
- naddr >> 32,
+ addr,
+ addr >> 32,
};
(*txq->elts)[++elts_head & elts_m] = buf;
- ++sg;
- /* Advance counter only if all segs are successfully posted. */
- if (sg < segs_n)
+ if (--segs_n)
goto next_seg;
- else
- j += sg;
next_pkt:
if (ds > MLX5_DSEG_MAX) {
txq->stats.oerrors++;
++elts_head;
++pkts;
++i;
+ j += sg;
/* Initialize known and common part of the WQE structure. */
if (tso) {
wqe->ctrl = (rte_v128u32_t){
/* Save elts_head in unused "immediate" field of WQE. */
last_wqe->ctrl3 = txq->elts_head;
txq->elts_comp = 0;
+#ifndef NDEBUG
+ ++txq->cq_pi;
+#endif
} else {
txq->elts_comp = comp;
}
/* Start processing. */
mlx5_tx_complete(txq);
max_elts = (elts_n - (elts_head - txq->elts_tail));
+ /* A CQE slot must always be available. */
+ assert((1u << txq->cqe_n) - (txq->cq_pi - txq->cq_ci));
max_wqe = (1u << txq->wqe_n) - (txq->wqe_ci - txq->wqe_pi);
if (unlikely(!max_wqe))
return 0;
struct rte_mbuf *buf = *(pkts++);
uint32_t length;
unsigned int segs_n = buf->nb_segs;
- uint32_t cs_flags = 0;
+ uint32_t cs_flags;
/*
* Make sure there is enough room to store this packet and
}
max_elts -= segs_n;
--pkts_n;
- /* Should we enable HW CKSUM offload */
- if (buf->ol_flags &
- (PKT_TX_IP_CKSUM | PKT_TX_TCP_CKSUM | PKT_TX_UDP_CKSUM))
- cs_flags = MLX5_ETH_WQE_L3_CSUM | MLX5_ETH_WQE_L4_CSUM;
+ cs_flags = txq_ol_cksum_to_cs(txq, buf);
/* Retrieve packet information. */
length = PKT_LEN(buf);
assert(length);
/* Save elts_head in unused "immediate" field of WQE. */
wqe->ctrl[3] = elts_head;
txq->elts_comp = 0;
+#ifndef NDEBUG
+ ++txq->cq_pi;
+#endif
} else {
txq->elts_comp = comp;
}
/* Start processing. */
mlx5_tx_complete(txq);
max_elts = (elts_n - (elts_head - txq->elts_tail));
+ /* A CQE slot must always be available. */
+ assert((1u << txq->cqe_n) - (txq->cq_pi - txq->cq_ci));
do {
struct rte_mbuf *buf = *(pkts++);
uintptr_t addr;
uint32_t length;
unsigned int segs_n = buf->nb_segs;
- uint32_t cs_flags = 0;
+ uint8_t cs_flags;
/*
* Make sure there is enough room to store this packet and
* iteration.
*/
max_wqe = (1u << txq->wqe_n) - (txq->wqe_ci - txq->wqe_pi);
- /* Should we enable HW CKSUM offload */
- if (buf->ol_flags &
- (PKT_TX_IP_CKSUM | PKT_TX_TCP_CKSUM | PKT_TX_UDP_CKSUM))
- cs_flags = MLX5_ETH_WQE_L3_CSUM | MLX5_ETH_WQE_L4_CSUM;
+ cs_flags = txq_ol_cksum_to_cs(txq, buf);
/* Retrieve packet information. */
length = PKT_LEN(buf);
/* Start new session if packet differs. */
/* Save elts_head in unused "immediate" field of WQE. */
wqe->ctrl[3] = elts_head;
txq->elts_comp = 0;
+#ifndef NDEBUG
+ ++txq->cq_pi;
+#endif
} else {
txq->elts_comp = comp;
}
}
/**
- * DPDK callback for TX with Enhanced MPW support.
+ * TX with Enhanced MPW support.
*
- * @param dpdk_txq
- * Generic pointer to TX queue structure.
+ * @param txq
+ * Pointer to TX queue structure.
* @param[in] pkts
* Packets to transmit.
* @param pkts_n
* @return
* Number of packets successfully transmitted (<= pkts_n).
*/
-uint16_t
-mlx5_tx_burst_empw(void *dpdk_txq, struct rte_mbuf **pkts, uint16_t pkts_n)
+static inline uint16_t
+txq_burst_empw(struct mlx5_txq_data *txq, struct rte_mbuf **pkts,
+ uint16_t pkts_n)
{
- struct mlx5_txq_data *txq = (struct mlx5_txq_data *)dpdk_txq;
uint16_t elts_head = txq->elts_head;
const uint16_t elts_n = 1 << txq->elts_n;
const uint16_t elts_m = elts_n - 1;
do {
struct rte_mbuf *buf = *(pkts++);
uintptr_t addr;
- uint64_t naddr;
unsigned int n;
unsigned int do_inline = 0; /* Whether inline is possible. */
uint32_t length;
- unsigned int segs_n = buf->nb_segs;
- uint32_t cs_flags = 0;
+ uint8_t cs_flags;
- /*
- * Make sure there is enough room to store this packet and
- * that one ring entry remains unused.
- */
- assert(segs_n);
- if (max_elts - j < segs_n)
- break;
- /* Do not bother with large packets MPW cannot handle. */
- if (segs_n > MLX5_MPW_DSEG_MAX) {
- txq->stats.oerrors++;
+ /* Multi-segmented packet is handled in slow-path outside. */
+ assert(NB_SEGS(buf) == 1);
+ /* Make sure there is enough room to store this packet. */
+ if (max_elts - j == 0)
break;
- }
- /* Should we enable HW CKSUM offload. */
- if (buf->ol_flags &
- (PKT_TX_IP_CKSUM | PKT_TX_TCP_CKSUM | PKT_TX_UDP_CKSUM))
- cs_flags = MLX5_ETH_WQE_L3_CSUM | MLX5_ETH_WQE_L4_CSUM;
+ cs_flags = txq_ol_cksum_to_cs(txq, buf);
/* Retrieve packet information. */
length = PKT_LEN(buf);
/* Start new session if:
* - no space left even for a dseg
* - next packet can be inlined with a new WQE
* - cs_flag differs
- * It can't be MLX5_MPW_STATE_OPENED as always have a single
- * segmented packet.
*/
if (mpw.state == MLX5_MPW_ENHANCED_STATE_OPENED) {
- if ((segs_n != 1) ||
- (inl_pad + sizeof(struct mlx5_wqe_data_seg) >
- mpw_room) ||
+ if ((inl_pad + sizeof(struct mlx5_wqe_data_seg) >
+ mpw_room) ||
(length <= txq->inline_max_packet_sz &&
inl_pad + sizeof(inl_hdr) + length >
- mpw_room) ||
+ mpw_room) ||
(mpw.wqe->eseg.cs_flags != cs_flags))
max_wqe -= mlx5_empw_close(txq, &mpw);
}
if (unlikely(mpw.state == MLX5_MPW_STATE_CLOSED)) {
- if (unlikely(segs_n != 1)) {
- /* Fall back to legacy MPW.
- * A MPW session consumes 2 WQEs at most to
- * include MLX5_MPW_DSEG_MAX pointers.
- */
- if (unlikely(max_wqe < 2))
- break;
- mlx5_mpw_new(txq, &mpw, length);
- } else {
- /* In Enhanced MPW, inline as much as the budget
- * is allowed. The remaining space is to be
- * filled with dsegs. If the title WQEBB isn't
- * padded, it will have 2 dsegs there.
- */
- mpw_room = RTE_MIN(MLX5_WQE_SIZE_MAX,
- (max_inline ? max_inline :
- pkts_n * MLX5_WQE_DWORD_SIZE) +
- MLX5_WQE_SIZE);
- if (unlikely(max_wqe * MLX5_WQE_SIZE <
- mpw_room))
- break;
- /* Don't pad the title WQEBB to not waste WQ. */
- mlx5_empw_new(txq, &mpw, 0);
- mpw_room -= mpw.total_len;
- inl_pad = 0;
- do_inline =
- length <= txq->inline_max_packet_sz &&
- sizeof(inl_hdr) + length <= mpw_room &&
- !txq->mpw_hdr_dseg;
- }
+ /* In Enhanced MPW, inline as much as the budget is
+ * allowed. The remaining space is to be filled with
+ * dsegs. If the title WQEBB isn't padded, it will have
+ * 2 dsegs there.
+ */
+ mpw_room = RTE_MIN(MLX5_WQE_SIZE_MAX,
+ (max_inline ? max_inline :
+ pkts_n * MLX5_WQE_DWORD_SIZE) +
+ MLX5_WQE_SIZE);
+ if (unlikely(max_wqe * MLX5_WQE_SIZE < mpw_room))
+ break;
+ /* Don't pad the title WQEBB to not waste WQ. */
+ mlx5_empw_new(txq, &mpw, 0);
+ mpw_room -= mpw.total_len;
+ inl_pad = 0;
+ do_inline = length <= txq->inline_max_packet_sz &&
+ sizeof(inl_hdr) + length <= mpw_room &&
+ !txq->mpw_hdr_dseg;
mpw.wqe->eseg.cs_flags = cs_flags;
} else {
/* Evaluate whether the next packet can be inlined.
(!txq->mpw_hdr_dseg ||
mpw.total_len >= MLX5_WQE_SIZE);
}
- /* Multi-segment packets must be alone in their MPW. */
- assert((segs_n == 1) || (mpw.pkts_n == 0));
- if (unlikely(mpw.state == MLX5_MPW_STATE_OPENED)) {
-#if defined(MLX5_PMD_SOFT_COUNTERS) || !defined(NDEBUG)
- length = 0;
-#endif
- do {
- volatile struct mlx5_wqe_data_seg *dseg;
-
- assert(buf);
- (*txq->elts)[elts_head++ & elts_m] = buf;
- dseg = mpw.data.dseg[mpw.pkts_n];
- addr = rte_pktmbuf_mtod(buf, uintptr_t);
- *dseg = (struct mlx5_wqe_data_seg){
- .byte_count = rte_cpu_to_be_32(
- DATA_LEN(buf)),
- .lkey = mlx5_tx_mb2mr(txq, buf),
- .addr = rte_cpu_to_be_64(addr),
- };
-#if defined(MLX5_PMD_SOFT_COUNTERS) || !defined(NDEBUG)
- length += DATA_LEN(buf);
-#endif
- buf = buf->next;
- ++j;
- ++mpw.pkts_n;
- } while (--segs_n);
- /* A multi-segmented packet takes one MPW session.
- * TODO: Pack more multi-segmented packets if possible.
- */
- mlx5_mpw_close(txq, &mpw);
- if (mpw.pkts_n < 3)
- max_wqe--;
- else
- max_wqe -= 2;
- } else if (do_inline) {
+ if (do_inline) {
/* Inline packet into WQE. */
unsigned int max;
for (n = 0; n * RTE_CACHE_LINE_SIZE < length; n++)
rte_prefetch2((void *)(addr +
n * RTE_CACHE_LINE_SIZE));
- naddr = rte_cpu_to_be_64(addr);
+ addr = rte_cpu_to_be_64(addr);
*dseg = (rte_v128u32_t) {
rte_cpu_to_be_32(length),
mlx5_tx_mb2mr(txq, buf),
- naddr,
- naddr >> 32,
+ addr,
+ addr >> 32,
};
mpw.data.raw = (volatile void *)(dseg + 1);
mpw.total_len += (inl_pad + sizeof(*dseg));
wqe->ctrl[3] = elts_head;
txq->elts_comp = 0;
txq->mpw_comp = txq->wqe_ci;
- txq->cq_pi++;
+#ifndef NDEBUG
+ ++txq->cq_pi;
+#endif
} else {
txq->elts_comp += j;
}
#endif
if (mpw.state == MLX5_MPW_ENHANCED_STATE_OPENED)
mlx5_empw_close(txq, &mpw);
- else if (mpw.state == MLX5_MPW_STATE_OPENED)
- mlx5_mpw_close(txq, &mpw);
/* Ring QP doorbell. */
mlx5_tx_dbrec(txq, mpw.wqe);
txq->elts_head = elts_head;
return i;
}
+/**
+ * DPDK callback for TX with Enhanced MPW support.
+ *
+ * @param dpdk_txq
+ * Generic pointer to TX queue structure.
+ * @param[in] pkts
+ * Packets to transmit.
+ * @param pkts_n
+ * Number of packets in array.
+ *
+ * @return
+ * Number of packets successfully transmitted (<= pkts_n).
+ */
+uint16_t
+mlx5_tx_burst_empw(void *dpdk_txq, struct rte_mbuf **pkts, uint16_t pkts_n)
+{
+ struct mlx5_txq_data *txq = (struct mlx5_txq_data *)dpdk_txq;
+ uint16_t nb_tx = 0;
+
+ while (pkts_n > nb_tx) {
+ uint16_t n;
+ uint16_t ret;
+
+ n = txq_count_contig_multi_seg(&pkts[nb_tx], pkts_n - nb_tx);
+ if (n) {
+ ret = mlx5_tx_burst(dpdk_txq, &pkts[nb_tx], n);
+ if (!ret)
+ break;
+ nb_tx += ret;
+ }
+ n = txq_count_contig_single_seg(&pkts[nb_tx], pkts_n - nb_tx);
+ if (n) {
+ ret = txq_burst_empw(txq, &pkts[nb_tx], n);
+ if (!ret)
+ break;
+ nb_tx += ret;
+ }
+ }
+ return nb_tx;
+}
+
/**
* Translate RX completion flags to packet type.
*
return 0;
++rxq->cq_ci;
op_own = cqe->op_own;
+ rte_cio_rmb();
if (MLX5_CQE_FORMAT(op_own) == MLX5_COMPRESSED) {
volatile struct mlx5_mini_cqe8 (*mc)[8] =
(volatile struct mlx5_mini_cqe8 (*)[8])
return 0;
/* Update the consumer index. */
rxq->rq_ci = rq_ci >> sges_n;
- rte_io_wmb();
+ rte_cio_wmb();
*rxq->cq_db = rte_cpu_to_be_32(rxq->cq_ci);
- rte_io_wmb();
+ rte_cio_wmb();
*rxq->rq_db = rte_cpu_to_be_32(rxq->rq_ci);
#ifdef MLX5_PMD_SOFT_COUNTERS
/* Increment packets counter. */
}
int __attribute__((weak))
-priv_check_raw_vec_tx_support(struct priv *priv)
+priv_check_raw_vec_tx_support(struct priv *priv, struct rte_eth_dev *dev)
{
(void)priv;
+ (void)dev;
return -ENOTSUP;
}
int __attribute__((weak))
-priv_check_vec_tx_support(struct priv *priv)
+priv_check_vec_tx_support(struct priv *priv, struct rte_eth_dev *dev)
{
(void)priv;
+ (void)dev;
return -ENOTSUP;
}
Code Review / deb_dpdk.git / blobdiff