#include "mlx5.h"
#include "mlx5_rxtx.h"
#include "mlx5_autoconf.h"
-#include "mlx5_defs.h"
/**
* Allocate TX queue elements.
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));
}
static void
txq_free_elts(struct txq_ctrl *txq_ctrl)
{
- unsigned int elts_n = 1 << txq_ctrl->txq.elts_n;
- unsigned int elts_head = txq_ctrl->txq.elts_head;
- unsigned int elts_tail = txq_ctrl->txq.elts_tail;
+ const uint16_t elts_n = 1 << txq_ctrl->txq.elts_n;
+ const uint16_t elts_m = elts_n - 1;
+ uint16_t elts_head = txq_ctrl->txq.elts_head;
+ uint16_t elts_tail = txq_ctrl->txq.elts_tail;
struct rte_mbuf *(*elts)[elts_n] = txq_ctrl->txq.elts;
DEBUG("%p: freeing WRs", (void *)txq_ctrl);
txq_ctrl->txq.elts_comp = 0;
while (elts_tail != elts_head) {
- struct rte_mbuf *elt = (*elts)[elts_tail];
+ struct rte_mbuf *elt = (*elts)[elts_tail & elts_m];
assert(elt != NULL);
- rte_pktmbuf_free(elt);
+ rte_pktmbuf_free_seg(elt);
#ifndef NDEBUG
/* Poisoning. */
- memset(&(*elts)[elts_tail],
+ memset(&(*elts)[elts_tail & elts_m],
0x77,
- sizeof((*elts)[elts_tail]));
+ sizeof((*elts)[elts_tail & elts_m]));
#endif
- if (++elts_tail == elts_n)
- elts_tail = 0;
+ ++elts_tail;
}
}
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)
+ if (txq_ctrl->txq.mp2mr[i].mr == NULL)
break;
- assert(txq_ctrl->txq.mp2mr[i].mr != NULL);
claim_zero(ibv_dereg_mr(txq_ctrl->txq.mp2mr[i].mr));
}
memset(txq_ctrl, 0, sizeof(*txq_ctrl));
{
struct mlx5_qp *qp = to_mqp(tmpl->qp);
struct ibv_cq *ibcq = tmpl->cq;
- struct mlx5_cq *cq = to_mxxx(cq, cq);
+ struct ibv_mlx5_cq_info cq_info;
- if (cq->cqe_sz != RTE_CACHE_LINE_SIZE) {
+ if (ibv_mlx5_exp_get_cq_info(ibcq, &cq_info)) {
+ ERROR("Unable to query CQ info. check your OFED.");
+ return ENOTSUP;
+ }
+ if (cq_info.cqe_size != RTE_CACHE_LINE_SIZE) {
ERROR("Wrong MLX5_CQE_SIZE environment variable value: "
"it should be set to %u", RTE_CACHE_LINE_SIZE);
return EINVAL;
}
- tmpl->txq.cqe_n = log2above(ibcq->cqe);
+ tmpl->txq.cqe_n = log2above(cq_info.cqe_cnt);
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;
- tmpl->txq.bf_offset = qp->gen_data.bf->offset;
- tmpl->txq.bf_buf_size = log2above(qp->gen_data.bf->buf_size);
- tmpl->txq.cq_db = cq->dbrec;
+ tmpl->txq.cq_db = cq_info.dbrec;
tmpl->txq.cqes =
(volatile struct mlx5_cqe (*)[])
- (uintptr_t)cq->active_buf->buf;
+ (uintptr_t)cq_info.buf;
tmpl->txq.elts =
(struct rte_mbuf *(*)[1 << tmpl->txq.elts_n])
((uintptr_t)txq_ctrl + sizeof(*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")) {
ERROR("MLX5_ENABLE_CQE_COMPRESSION must never be set");
goto error;
}
- (void)conf; /* Thresholds configuration (ignored). */
+ tmpl.txq.flags = conf->txq_flags;
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;
* 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);
(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);
}
(*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,
DEBUG("%p: adding TX queue %p to list",
(void *)dev, (void *)txq_ctrl);
(*priv->txqs)[idx] = &txq_ctrl->txq;
- /* Update send callback. */
- priv_select_tx_function(priv);
}
priv_unlock(priv);
return -ret;
Code Review / deb_dpdk.git / blobdiff