#include <mlx5_prm.h>
#include <mlx5_common.h>
+#include "mlx5_autoconf.h"
#include "mlx5_defs.h"
#include "mlx5.h"
#include "mlx5_mr.h"
#include "mlx5_utils.h"
#include "mlx5_rxtx.h"
-#include "mlx5_autoconf.h"
/* TX burst subroutines return codes. */
enum mlx5_txcmp_code {
rxq_cq_to_mbuf(struct mlx5_rxq_data *rxq, struct rte_mbuf *pkt,
volatile struct mlx5_cqe *cqe, uint32_t rss_hash_res);
-static __rte_always_inline void
-mprq_buf_replace(struct mlx5_rxq_data *rxq, uint16_t rq_idx,
- const unsigned int strd_n);
-
static int
mlx5_queue_state_modify(struct rte_eth_dev *dev,
struct mlx5_mp_arg_queue_state_modify *sm);
struct rte_eth_burst_mode *mode)
{
eth_rx_burst_t pkt_burst = dev->rx_pkt_burst;
+ struct mlx5_priv *priv = dev->data->dev_private;
+ struct mlx5_rxq_data *rxq;
+ rxq = (*priv->rxqs)[rx_queue_id];
+ if (!rxq) {
+ rte_errno = EINVAL;
+ return -rte_errno;
+ }
if (pkt_burst == mlx5_rx_burst) {
snprintf(mode->info, sizeof(mode->info), "%s", "Scalar");
} else if (pkt_burst == mlx5_rx_burst_mprq) {
snprintf(mode->info, sizeof(mode->info), "%s", "Vector AltiVec");
#else
return -EINVAL;
+#endif
+ } else if (pkt_burst == mlx5_rx_burst_mprq_vec) {
+#if defined RTE_ARCH_X86_64
+ snprintf(mode->info, sizeof(mode->info), "%s", "MPRQ Vector SSE");
+#elif defined RTE_ARCH_ARM64
+ snprintf(mode->info, sizeof(mode->info), "%s", "MPRQ Vector Neon");
+#elif defined RTE_ARCH_PPC_64
+ snprintf(mode->info, sizeof(mode->info), "%s", "MPRQ Vector AltiVec");
+#else
+ return -EINVAL;
#endif
} else {
return -EINVAL;
rxq->zip = (struct rxq_zip){
.ai = 0,
};
+ rxq->elts_ci = mlx5_rxq_mprq_enabled(rxq) ?
+ (wqe_n >> rxq->sges_n) * (1 << rxq->strd_num_n) : 0;
/* Update doorbell counter. */
rxq->rq_ci = wqe_n >> rxq->sges_n;
rte_io_wmb();
{
const uint16_t cqe_n = 1 << rxq->cqe_n;
const uint16_t cqe_mask = cqe_n - 1;
- const unsigned int wqe_n = 1 << rxq->elts_n;
+ const uint16_t wqe_n = 1 << rxq->elts_n;
+ const uint16_t strd_n = 1 << rxq->strd_num_n;
struct mlx5_rxq_ctrl *rxq_ctrl =
container_of(rxq, struct mlx5_rxq_ctrl, rxq);
union {
&sm))
return -1;
if (vec) {
- const uint16_t q_mask = wqe_n - 1;
- uint16_t elt_idx;
+ const uint32_t elts_n =
+ mlx5_rxq_mprq_enabled(rxq) ?
+ wqe_n * strd_n : wqe_n;
+ const uint32_t e_mask = elts_n - 1;
+ uint32_t elts_ci =
+ mlx5_rxq_mprq_enabled(rxq) ?
+ rxq->elts_ci : rxq->rq_ci;
+ uint32_t elt_idx;
struct rte_mbuf **elt;
int i;
- unsigned int n = wqe_n - (rxq->rq_ci -
+ unsigned int n = elts_n - (elts_ci -
rxq->rq_pi);
for (i = 0; i < (int)n; ++i) {
- elt_idx = (rxq->rq_ci + i) & q_mask;
+ elt_idx = (elts_ci + i) & e_mask;
elt = &(*rxq->elts)[elt_idx];
*elt = rte_mbuf_raw_alloc(rxq->mp);
if (!*elt) {
for (i--; i >= 0; --i) {
- elt_idx = (rxq->rq_ci +
- i) & q_mask;
+ elt_idx = (elts_ci +
+ i) & elts_n;
elt = &(*rxq->elts)
[elt_idx];
rte_pktmbuf_free_seg
return -1;
}
}
- for (i = 0; i < (int)wqe_n; ++i) {
+ for (i = 0; i < (int)elts_n; ++i) {
elt = &(*rxq->elts)[i];
DATA_LEN(*elt) =
(uint16_t)((*elt)->buf_len -
}
/* Padding with a fake mbuf for vec Rx. */
for (i = 0; i < MLX5_VPMD_DESCS_PER_LOOP; ++i)
- (*rxq->elts)[wqe_n + i] =
+ (*rxq->elts)[elts_n + i] =
&rxq->fake_mbuf;
}
mlx5_rxq_initialize(rxq);
if (rxq->rt_timestamp)
ts = mlx5_txpp_convert_rx_ts(rxq->sh, ts);
- pkt->timestamp = ts;
- pkt->ol_flags |= PKT_RX_TIMESTAMP;
+ mlx5_timestamp_set(pkt, rxq->timestamp_offset, ts);
+ pkt->ol_flags |= rxq->timestamp_rx_flag;
}
}
rte_prefetch0(seg);
rte_prefetch0(cqe);
rte_prefetch0(wqe);
- rep = rte_mbuf_raw_alloc(rxq->mp);
+ /* Allocate the buf from the same pool. */
+ rep = rte_mbuf_raw_alloc(seg->pool);
if (unlikely(rep == NULL)) {
++rxq->stats.rx_nombuf;
if (!pkt) {
mlx5_mprq_buf_free_cb(NULL, buf);
}
-static inline void
-mprq_buf_replace(struct mlx5_rxq_data *rxq, uint16_t rq_idx,
- const unsigned int strd_n)
-{
- struct mlx5_mprq_buf *rep = rxq->mprq_repl;
- volatile struct mlx5_wqe_data_seg *wqe =
- &((volatile struct mlx5_wqe_mprq *)rxq->wqes)[rq_idx].dseg;
- void *addr;
-
- MLX5_ASSERT(rep != NULL);
- /* Replace MPRQ buf. */
- (*rxq->mprq_bufs)[rq_idx] = rep;
- /* Replace WQE. */
- addr = mlx5_mprq_buf_addr(rep, strd_n);
- wqe->addr = rte_cpu_to_be_64((uintptr_t)addr);
- /* 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))
- wqe->lkey = mlx5_rx_addr2mr(rxq, (uintptr_t)addr);
- /* Stash a mbuf for next replacement. */
- if (likely(!rte_mempool_get(rxq->mprq_mp, (void **)&rep)))
- rxq->mprq_repl = rep;
- else
- rxq->mprq_repl = NULL;
-}
-
/**
* DPDK callback for RX with Multi-Packet RQ support.
*
mlx5_rx_burst_mprq(void *dpdk_rxq, struct rte_mbuf **pkts, uint16_t pkts_n)
{
struct mlx5_rxq_data *rxq = dpdk_rxq;
- const unsigned int strd_n = 1 << rxq->strd_num_n;
- const unsigned int strd_sz = 1 << rxq->strd_sz_n;
- const unsigned int strd_shift =
- MLX5_MPRQ_STRIDE_SHIFT_BYTE * rxq->strd_shift_en;
- const unsigned int cq_mask = (1 << rxq->cqe_n) - 1;
- const unsigned int wq_mask = (1 << rxq->elts_n) - 1;
+ const uint32_t strd_n = 1 << rxq->strd_num_n;
+ const uint32_t cq_mask = (1 << rxq->cqe_n) - 1;
+ const uint32_t wq_mask = (1 << rxq->elts_n) - 1;
volatile struct mlx5_cqe *cqe = &(*rxq->cqes)[rxq->cq_ci & cq_mask];
unsigned int i = 0;
uint32_t rq_ci = rxq->rq_ci;
while (i < pkts_n) {
struct rte_mbuf *pkt;
- void *addr;
int ret;
uint32_t len;
uint16_t strd_cnt;
uint16_t strd_idx;
- uint32_t offset;
uint32_t byte_cnt;
- int32_t hdrm_overlap;
volatile struct mlx5_mini_cqe8 *mcqe = NULL;
uint32_t rss_hash_res = 0;
+ enum mlx5_rqx_code rxq_code;
if (consumed_strd == strd_n) {
- /* Replace WQE only if the buffer is still in use. */
- if (__atomic_load_n(&buf->refcnt,
- __ATOMIC_RELAXED) > 1) {
- mprq_buf_replace(rxq, rq_ci & wq_mask, strd_n);
- /* Release the old buffer. */
- mlx5_mprq_buf_free(buf);
- } else if (unlikely(rxq->mprq_repl == NULL)) {
- struct mlx5_mprq_buf *rep;
-
- /*
- * Currently, the MPRQ mempool is out of buffer
- * and doing memcpy regardless of the size of Rx
- * packet. Retry allocation to get back to
- * normal.
- */
- if (!rte_mempool_get(rxq->mprq_mp,
- (void **)&rep))
- rxq->mprq_repl = rep;
- }
+ /* Replace WQE if the buffer is still in use. */
+ mprq_buf_replace(rxq, rq_ci & wq_mask);
/* Advance to the next WQE. */
consumed_strd = 0;
++rq_ci;
MLX5_ASSERT((int)len >= (rxq->crc_present << 2));
if (rxq->crc_present)
len -= RTE_ETHER_CRC_LEN;
- offset = strd_idx * strd_sz + strd_shift;
- addr = RTE_PTR_ADD(mlx5_mprq_buf_addr(buf, strd_n), offset);
- hdrm_overlap = len + RTE_PKTMBUF_HEADROOM - strd_cnt * strd_sz;
- /*
- * Memcpy packets to the target mbuf if:
- * - The size of packet is smaller than mprq_max_memcpy_len.
- * - Out of buffer in the Mempool for Multi-Packet RQ.
- * - The packet's stride overlaps a headroom and scatter is off.
- */
- if (len <= rxq->mprq_max_memcpy_len ||
- rxq->mprq_repl == NULL ||
- (hdrm_overlap > 0 && !rxq->strd_scatter_en)) {
- if (likely(rte_pktmbuf_tailroom(pkt) >= len)) {
- rte_memcpy(rte_pktmbuf_mtod(pkt, void *),
- addr, len);
- DATA_LEN(pkt) = len;
- } else if (rxq->strd_scatter_en) {
- struct rte_mbuf *prev = pkt;
- uint32_t seg_len =
- RTE_MIN(rte_pktmbuf_tailroom(pkt), len);
- uint32_t rem_len = len - seg_len;
-
- rte_memcpy(rte_pktmbuf_mtod(pkt, void *),
- addr, seg_len);
- DATA_LEN(pkt) = seg_len;
- while (rem_len) {
- struct rte_mbuf *next =
- rte_pktmbuf_alloc(rxq->mp);
-
- if (unlikely(next == NULL)) {
- rte_pktmbuf_free(pkt);
- ++rxq->stats.rx_nombuf;
- goto out;
- }
- NEXT(prev) = next;
- SET_DATA_OFF(next, 0);
- addr = RTE_PTR_ADD(addr, seg_len);
- seg_len = RTE_MIN
- (rte_pktmbuf_tailroom(next),
- rem_len);
- rte_memcpy
- (rte_pktmbuf_mtod(next, void *),
- addr, seg_len);
- DATA_LEN(next) = seg_len;
- rem_len -= seg_len;
- prev = next;
- ++NB_SEGS(pkt);
- }
- } else {
- rte_pktmbuf_free_seg(pkt);
+ rxq_code = mprq_buf_to_pkt(rxq, pkt, len, buf,
+ strd_idx, strd_cnt);
+ if (unlikely(rxq_code != MLX5_RXQ_CODE_EXIT)) {
+ rte_pktmbuf_free_seg(pkt);
+ if (rxq_code == MLX5_RXQ_CODE_DROPPED) {
++rxq->stats.idropped;
continue;
}
- } else {
- rte_iova_t buf_iova;
- struct rte_mbuf_ext_shared_info *shinfo;
- uint16_t buf_len = strd_cnt * strd_sz;
- void *buf_addr;
-
- /* Increment the refcnt of the whole chunk. */
- __atomic_add_fetch(&buf->refcnt, 1, __ATOMIC_RELAXED);
- MLX5_ASSERT(__atomic_load_n(&buf->refcnt,
- __ATOMIC_RELAXED) <= strd_n + 1);
- buf_addr = RTE_PTR_SUB(addr, RTE_PKTMBUF_HEADROOM);
- /*
- * MLX5 device doesn't use iova but it is necessary in a
- * case where the Rx packet is transmitted via a
- * different PMD.
- */
- buf_iova = rte_mempool_virt2iova(buf) +
- RTE_PTR_DIFF(buf_addr, buf);
- shinfo = &buf->shinfos[strd_idx];
- rte_mbuf_ext_refcnt_set(shinfo, 1);
- /*
- * EXT_ATTACHED_MBUF will be set to pkt->ol_flags when
- * attaching the stride to mbuf and more offload flags
- * will be added below by calling rxq_cq_to_mbuf().
- * Other fields will be overwritten.
- */
- rte_pktmbuf_attach_extbuf(pkt, buf_addr, buf_iova,
- buf_len, shinfo);
- /* Set mbuf head-room. */
- SET_DATA_OFF(pkt, RTE_PKTMBUF_HEADROOM);
- MLX5_ASSERT(pkt->ol_flags == EXT_ATTACHED_MBUF);
- MLX5_ASSERT(rte_pktmbuf_tailroom(pkt) >=
- len - (hdrm_overlap > 0 ? hdrm_overlap : 0));
- DATA_LEN(pkt) = len;
- /*
- * Copy the last fragment of a packet (up to headroom
- * size bytes) in case there is a stride overlap with
- * a next packet's headroom. Allocate a separate mbuf
- * to store this fragment and link it. Scatter is on.
- */
- if (hdrm_overlap > 0) {
- MLX5_ASSERT(rxq->strd_scatter_en);
- struct rte_mbuf *seg =
- rte_pktmbuf_alloc(rxq->mp);
-
- if (unlikely(seg == NULL)) {
- rte_pktmbuf_free_seg(pkt);
- ++rxq->stats.rx_nombuf;
- break;
- }
- SET_DATA_OFF(seg, 0);
- rte_memcpy(rte_pktmbuf_mtod(seg, void *),
- RTE_PTR_ADD(addr, len - hdrm_overlap),
- hdrm_overlap);
- DATA_LEN(seg) = hdrm_overlap;
- DATA_LEN(pkt) = len - hdrm_overlap;
- NEXT(pkt) = seg;
- NB_SEGS(pkt) = 2;
+ if (rxq_code == MLX5_RXQ_CODE_NOMBUF) {
+ ++rxq->stats.rx_nombuf;
+ break;
}
}
rxq_cq_to_mbuf(rxq, pkt, cqe, rss_hash_res);
if (cqe->lro_num_seg > 1) {
- mlx5_lro_update_hdr(addr, cqe, len);
+ mlx5_lro_update_hdr(rte_pktmbuf_mtod(pkt, uint8_t *),
+ cqe, len);
pkt->ol_flags |= PKT_RX_LRO;
pkt->tso_segsz = len / cqe->lro_num_seg;
}
*(pkts++) = pkt;
++i;
}
-out:
/* Update the consumer indexes. */
rxq->consumed_strd = consumed_strd;
rte_io_wmb();
return 0;
}
+__rte_weak uint16_t
+mlx5_rx_burst_mprq_vec(void *dpdk_txq __rte_unused,
+ struct rte_mbuf **pkts __rte_unused,
+ uint16_t pkts_n __rte_unused)
+{
+ return 0;
+}
+
__rte_weak int
mlx5_rxq_check_vec_support(struct mlx5_rxq_data *rxq __rte_unused)
{
}
if (tx_offloads & DEV_TX_OFFLOAD_SEND_ON_TIMESTAMP &&
rte_mbuf_dynflag_lookup
- (RTE_MBUF_DYNFLAG_TX_TIMESTAMP_NAME, NULL) > 0 &&
+ (RTE_MBUF_DYNFLAG_TX_TIMESTAMP_NAME, NULL) >= 0 &&
rte_mbuf_dynfield_lookup
- (RTE_MBUF_DYNFIELD_TIMESTAMP_NAME, NULL) > 0) {
+ (RTE_MBUF_DYNFIELD_TIMESTAMP_NAME, NULL) >= 0) {
/* Offload configured, dynamic entities registered. */
olx |= MLX5_TXOFF_CONFIG_TXPP;
}
git.droids-corp.org / dpdk.git / blobdiff