* Pointer to RX queue structure.
*
* @return
- * 0 on success, errno value on failure.
+ * 0 on success, a negative errno value otherwise and rte_errno is set.
*/
int
rxq_alloc_elts(struct mlx5_rxq_ctrl *rxq_ctrl)
const unsigned int sges_n = 1 << rxq_ctrl->rxq.sges_n;
unsigned int elts_n = 1 << rxq_ctrl->rxq.elts_n;
unsigned int i;
- int ret = 0;
+ int err;
/* Iterate on segments. */
for (i = 0; (i != elts_n); ++i) {
buf = rte_pktmbuf_alloc(rxq_ctrl->rxq.mp);
if (buf == NULL) {
ERROR("%p: empty mbuf pool", (void *)rxq_ctrl);
- ret = ENOMEM;
+ rte_errno = ENOMEM;
goto error;
}
/* Headroom is reserved by rte_pktmbuf_alloc(). */
(*rxq_ctrl->rxq.elts)[i] = buf;
}
/* If Rx vector is activated. */
- if (rxq_check_vec_support(&rxq_ctrl->rxq) > 0) {
+ if (mlx5_rxq_check_vec_support(&rxq_ctrl->rxq) > 0) {
struct mlx5_rxq_data *rxq = &rxq_ctrl->rxq;
struct rte_mbuf *mbuf_init = &rxq->fake_mbuf;
int j;
}
DEBUG("%p: allocated and configured %u segments (max %u packets)",
(void *)rxq_ctrl, elts_n, elts_n / (1 << rxq_ctrl->rxq.sges_n));
- assert(ret == 0);
return 0;
error:
+ err = rte_errno; /* Save rte_errno before cleanup. */
elts_n = i;
for (i = 0; (i != elts_n); ++i) {
if ((*rxq_ctrl->rxq.elts)[i] != NULL)
(*rxq_ctrl->rxq.elts)[i] = NULL;
}
DEBUG("%p: failed, freed everything", (void *)rxq_ctrl);
- assert(ret > 0);
- return ret;
+ rte_errno = err; /* Restore rte_errno. */
+ return -rte_errno;
}
/**
* Some mbuf in the Ring belongs to the application. They cannot be
* freed.
*/
- if (rxq_check_vec_support(rxq) > 0) {
+ if (mlx5_rxq_check_vec_support(rxq) > 0) {
for (i = 0; i < used; ++i)
(*rxq->elts)[(rxq->rq_ci + i) & q_mask] = NULL;
rxq->rq_pi = rxq->rq_ci;
{
DEBUG("cleaning up %p", (void *)rxq_ctrl);
if (rxq_ctrl->ibv)
- mlx5_priv_rxq_ibv_release(rxq_ctrl->priv, rxq_ctrl->ibv);
+ mlx5_rxq_ibv_release(rxq_ctrl->ibv);
memset(rxq_ctrl, 0, sizeof(*rxq_ctrl));
}
/**
* Returns the per-queue supported offloads.
*
- * @param priv
- * Pointer to private structure.
+ * @param dev
+ * Pointer to Ethernet device.
*
* @return
* Supported Rx offloads.
*/
uint64_t
-mlx5_priv_get_rx_queue_offloads(struct priv *priv)
+mlx5_get_rx_queue_offloads(struct rte_eth_dev *dev)
{
+ struct priv *priv = dev->data->dev_private;
struct mlx5_dev_config *config = &priv->config;
uint64_t offloads = (DEV_RX_OFFLOAD_SCATTER |
DEV_RX_OFFLOAD_TIMESTAMP |
/**
* Returns the per-port supported offloads.
*
- * @param priv
- * Pointer to private structure.
* @return
* Supported Rx offloads.
*/
uint64_t
-mlx5_priv_get_rx_port_offloads(struct priv *priv __rte_unused)
+mlx5_get_rx_port_offloads(void)
{
uint64_t offloads = DEV_RX_OFFLOAD_VLAN_FILTER;
/**
* Checks if the per-queue offload configuration is valid.
*
- * @param priv
- * Pointer to private structure.
+ * @param dev
+ * Pointer to Ethernet device.
* @param offloads
* Per-queue offloads configuration.
*
* 1 if the configuration is valid, 0 otherwise.
*/
static int
-priv_is_rx_queue_offloads_allowed(struct priv *priv, uint64_t offloads)
+mlx5_is_rx_queue_offloads_allowed(struct rte_eth_dev *dev, uint64_t offloads)
{
- uint64_t port_offloads = priv->dev->data->dev_conf.rxmode.offloads;
- uint64_t queue_supp_offloads =
- mlx5_priv_get_rx_queue_offloads(priv);
- uint64_t port_supp_offloads = mlx5_priv_get_rx_port_offloads(priv);
+ uint64_t port_offloads = dev->data->dev_conf.rxmode.offloads;
+ uint64_t queue_supp_offloads = mlx5_get_rx_queue_offloads(dev);
+ uint64_t port_supp_offloads = mlx5_get_rx_port_offloads();
if ((offloads & (queue_supp_offloads | port_supp_offloads)) !=
offloads)
* Memory pool for buffer allocations.
*
* @return
- * 0 on success, negative errno value on failure.
+ * 0 on success, a negative errno value otherwise and rte_errno is set.
*/
int
mlx5_rx_queue_setup(struct rte_eth_dev *dev, uint16_t idx, uint16_t desc,
struct mlx5_rxq_data *rxq = (*priv->rxqs)[idx];
struct mlx5_rxq_ctrl *rxq_ctrl =
container_of(rxq, struct mlx5_rxq_ctrl, rxq);
- int ret = 0;
if (!rte_is_power_of_2(desc)) {
desc = 1 << log2above(desc);
if (idx >= priv->rxqs_n) {
ERROR("%p: queue index out of range (%u >= %u)",
(void *)dev, idx, priv->rxqs_n);
- return -EOVERFLOW;
+ rte_errno = EOVERFLOW;
+ return -rte_errno;
}
- if (!priv_is_rx_queue_offloads_allowed(priv, conf->offloads)) {
- ret = ENOTSUP;
+ if (!mlx5_is_rx_queue_offloads_allowed(dev, conf->offloads)) {
ERROR("%p: Rx queue offloads 0x%" PRIx64 " don't match port "
"offloads 0x%" PRIx64 " or supported offloads 0x%" PRIx64,
(void *)dev, conf->offloads,
dev->data->dev_conf.rxmode.offloads,
- (mlx5_priv_get_rx_port_offloads(priv) |
- mlx5_priv_get_rx_queue_offloads(priv)));
- goto out;
+ (mlx5_get_rx_port_offloads() |
+ mlx5_get_rx_queue_offloads(dev)));
+ rte_errno = ENOTSUP;
+ return -rte_errno;
}
- if (!mlx5_priv_rxq_releasable(priv, idx)) {
- ret = EBUSY;
+ if (!mlx5_rxq_releasable(dev, idx)) {
ERROR("%p: unable to release queue index %u",
(void *)dev, idx);
- goto out;
+ rte_errno = EBUSY;
+ return -rte_errno;
}
- mlx5_priv_rxq_release(priv, idx);
- rxq_ctrl = mlx5_priv_rxq_new(priv, idx, desc, socket, conf, mp);
+ mlx5_rxq_release(dev, idx);
+ rxq_ctrl = mlx5_rxq_new(dev, idx, desc, socket, conf, mp);
if (!rxq_ctrl) {
ERROR("%p: unable to allocate queue index %u",
(void *)dev, idx);
- ret = ENOMEM;
- goto out;
+ rte_errno = ENOMEM;
+ return -rte_errno;
}
DEBUG("%p: adding RX queue %p to list",
(void *)dev, (void *)rxq_ctrl);
(*priv->rxqs)[idx] = &rxq_ctrl->rxq;
-out:
- return -ret;
+ return 0;
}
/**
return;
rxq_ctrl = container_of(rxq, struct mlx5_rxq_ctrl, rxq);
priv = rxq_ctrl->priv;
- if (!mlx5_priv_rxq_releasable(priv, rxq_ctrl->rxq.stats.idx))
+ if (!mlx5_rxq_releasable(priv->dev, rxq_ctrl->rxq.stats.idx))
rte_panic("Rx queue %p is still used by a flow and cannot be"
" removed\n", (void *)rxq_ctrl);
- mlx5_priv_rxq_release(priv, rxq_ctrl->rxq.stats.idx);
+ mlx5_rxq_release(priv->dev, rxq_ctrl->rxq.stats.idx);
}
/**
* Allocate queue vector and fill epoll fd list for Rx interrupts.
*
- * @param priv
- * Pointer to private structure.
+ * @param dev
+ * Pointer to Ethernet device.
*
* @return
- * 0 on success, negative on failure.
+ * 0 on success, a negative errno value otherwise and rte_errno is set.
*/
int
-priv_rx_intr_vec_enable(struct priv *priv)
+mlx5_rx_intr_vec_enable(struct rte_eth_dev *dev)
{
+ struct priv *priv = dev->data->dev_private;
unsigned int i;
unsigned int rxqs_n = priv->rxqs_n;
unsigned int n = RTE_MIN(rxqs_n, (uint32_t)RTE_MAX_RXTX_INTR_VEC_ID);
if (!priv->dev->data->dev_conf.intr_conf.rxq)
return 0;
- priv_rx_intr_vec_disable(priv);
+ mlx5_rx_intr_vec_disable(dev);
intr_handle->intr_vec = malloc(n * sizeof(intr_handle->intr_vec[0]));
if (intr_handle->intr_vec == NULL) {
ERROR("failed to allocate memory for interrupt vector,"
" Rx interrupts will not be supported");
- return -ENOMEM;
+ rte_errno = ENOMEM;
+ return -rte_errno;
}
intr_handle->type = RTE_INTR_HANDLE_EXT;
for (i = 0; i != n; ++i) {
/* This rxq ibv must not be released in this function. */
- struct mlx5_rxq_ibv *rxq_ibv = mlx5_priv_rxq_ibv_get(priv, i);
+ struct mlx5_rxq_ibv *rxq_ibv = mlx5_rxq_ibv_get(dev, i);
int fd;
int flags;
int rc;
ERROR("too many Rx queues for interrupt vector size"
" (%d), Rx interrupts cannot be enabled",
RTE_MAX_RXTX_INTR_VEC_ID);
- priv_rx_intr_vec_disable(priv);
- return -1;
+ mlx5_rx_intr_vec_disable(dev);
+ rte_errno = ENOMEM;
+ return -rte_errno;
}
fd = rxq_ibv->channel->fd;
flags = fcntl(fd, F_GETFL);
rc = fcntl(fd, F_SETFL, flags | O_NONBLOCK);
if (rc < 0) {
+ rte_errno = errno;
ERROR("failed to make Rx interrupt file descriptor"
" %d non-blocking for queue index %d", fd, i);
- priv_rx_intr_vec_disable(priv);
- return -1;
+ mlx5_rx_intr_vec_disable(dev);
+ return -rte_errno;
}
intr_handle->intr_vec[i] = RTE_INTR_VEC_RXTX_OFFSET + count;
intr_handle->efds[count] = fd;
count++;
}
if (!count)
- priv_rx_intr_vec_disable(priv);
+ mlx5_rx_intr_vec_disable(dev);
else
intr_handle->nb_efd = count;
return 0;
/**
* Clean up Rx interrupts handler.
*
- * @param priv
- * Pointer to private structure.
+ * @param dev
+ * Pointer to Ethernet device.
*/
void
-priv_rx_intr_vec_disable(struct priv *priv)
+mlx5_rx_intr_vec_disable(struct rte_eth_dev *dev)
{
+ struct priv *priv = dev->data->dev_private;
struct rte_intr_handle *intr_handle = priv->dev->intr_handle;
unsigned int i;
unsigned int rxqs_n = priv->rxqs_n;
*/
rxq_data = (*priv->rxqs)[i];
rxq_ctrl = container_of(rxq_data, struct mlx5_rxq_ctrl, rxq);
- mlx5_priv_rxq_ibv_release(priv, rxq_ctrl->ibv);
+ mlx5_rxq_ibv_release(rxq_ctrl->ibv);
}
free:
rte_intr_free_epoll_fd(intr_handle);
* Rx queue number.
*
* @return
- * 0 on success, negative on failure.
+ * 0 on success, a negative errno value otherwise and rte_errno is set.
*/
int
mlx5_rx_intr_enable(struct rte_eth_dev *dev, uint16_t rx_queue_id)
struct priv *priv = dev->data->dev_private;
struct mlx5_rxq_data *rxq_data;
struct mlx5_rxq_ctrl *rxq_ctrl;
- int ret = 0;
rxq_data = (*priv->rxqs)[rx_queue_id];
if (!rxq_data) {
- ret = EINVAL;
- goto exit;
+ rte_errno = EINVAL;
+ return -rte_errno;
}
rxq_ctrl = container_of(rxq_data, struct mlx5_rxq_ctrl, rxq);
if (rxq_ctrl->irq) {
struct mlx5_rxq_ibv *rxq_ibv;
- rxq_ibv = mlx5_priv_rxq_ibv_get(priv, rx_queue_id);
+ rxq_ibv = mlx5_rxq_ibv_get(dev, rx_queue_id);
if (!rxq_ibv) {
- ret = EINVAL;
- goto exit;
+ rte_errno = EINVAL;
+ return -rte_errno;
}
mlx5_arm_cq(rxq_data, rxq_data->cq_arm_sn);
- mlx5_priv_rxq_ibv_release(priv, rxq_ibv);
+ mlx5_rxq_ibv_release(rxq_ibv);
}
-exit:
- if (ret)
- WARN("unable to arm interrupt on rx queue %d", rx_queue_id);
- return -ret;
+ return 0;
}
/**
* Rx queue number.
*
* @return
- * 0 on success, negative on failure.
+ * 0 on success, a negative errno value otherwise and rte_errno is set.
*/
int
mlx5_rx_intr_disable(struct rte_eth_dev *dev, uint16_t rx_queue_id)
struct mlx5_rxq_ibv *rxq_ibv = NULL;
struct ibv_cq *ev_cq;
void *ev_ctx;
- int ret = 0;
+ int ret;
rxq_data = (*priv->rxqs)[rx_queue_id];
if (!rxq_data) {
- ret = EINVAL;
- goto exit;
+ rte_errno = EINVAL;
+ return -rte_errno;
}
rxq_ctrl = container_of(rxq_data, struct mlx5_rxq_ctrl, rxq);
if (!rxq_ctrl->irq)
- goto exit;
- rxq_ibv = mlx5_priv_rxq_ibv_get(priv, rx_queue_id);
+ return 0;
+ rxq_ibv = mlx5_rxq_ibv_get(dev, rx_queue_id);
if (!rxq_ibv) {
- ret = EINVAL;
- goto exit;
+ rte_errno = EINVAL;
+ return -rte_errno;
}
ret = mlx5_glue->get_cq_event(rxq_ibv->channel, &ev_cq, &ev_ctx);
if (ret || ev_cq != rxq_ibv->cq) {
- ret = EINVAL;
+ rte_errno = EINVAL;
goto exit;
}
rxq_data->cq_arm_sn++;
mlx5_glue->ack_cq_events(rxq_ibv->cq, 1);
+ return 0;
exit:
+ ret = rte_errno; /* Save rte_errno before cleanup. */
if (rxq_ibv)
- mlx5_priv_rxq_ibv_release(priv, rxq_ibv);
- if (ret)
- WARN("unable to disable interrupt on rx queue %d",
- rx_queue_id);
- return -ret;
+ mlx5_rxq_ibv_release(rxq_ibv);
+ WARN("unable to disable interrupt on rx queue %d", rx_queue_id);
+ rte_errno = ret; /* Restore rte_errno. */
+ return -rte_errno;
}
/**
* Create the Rx queue Verbs object.
*
- * @param priv
- * Pointer to private structure.
+ * @param dev
+ * Pointer to Ethernet device.
* @param idx
* Queue index in DPDK Rx queue array
*
* @return
- * The Verbs object initialised if it can be created.
+ * The Verbs object initialised, NULL otherwise and rte_errno is set.
*/
struct mlx5_rxq_ibv *
-mlx5_priv_rxq_ibv_new(struct priv *priv, uint16_t idx)
+mlx5_rxq_ibv_new(struct rte_eth_dev *dev, uint16_t idx)
{
+ struct priv *priv = dev->data->dev_private;
struct mlx5_rxq_data *rxq_data = (*priv->rxqs)[idx];
struct mlx5_rxq_ctrl *rxq_ctrl =
container_of(rxq_data, struct mlx5_rxq_ctrl, rxq);
if (!tmpl) {
ERROR("%p: cannot allocate verbs resources",
(void *)rxq_ctrl);
+ rte_errno = ENOMEM;
goto error;
}
tmpl->rxq_ctrl = rxq_ctrl;
/* Use the entire RX mempool as the memory region. */
- tmpl->mr = priv_mr_get(priv, rxq_data->mp);
+ tmpl->mr = mlx5_mr_get(dev, rxq_data->mp);
if (!tmpl->mr) {
- tmpl->mr = priv_mr_new(priv, rxq_data->mp);
+ tmpl->mr = mlx5_mr_new(dev, rxq_data->mp);
if (!tmpl->mr) {
ERROR("%p: MR creation failure", (void *)rxq_ctrl);
goto error;
if (!tmpl->channel) {
ERROR("%p: Comp Channel creation failure",
(void *)rxq_ctrl);
+ rte_errno = ENOMEM;
goto error;
}
}
* For vectorized Rx, it must not be doubled in order to
* make cq_ci and rq_ci aligned.
*/
- if (rxq_check_vec_support(rxq_data) < 0)
+ if (mlx5_rxq_check_vec_support(rxq_data) < 0)
attr.cq.ibv.cqe *= 2;
} else if (config->cqe_comp && rxq_data->hw_timestamp) {
DEBUG("Rx CQE compression is disabled for HW timestamp");
&attr.cq.mlx5));
if (tmpl->cq == NULL) {
ERROR("%p: CQ creation failure", (void *)rxq_ctrl);
+ rte_errno = ENOMEM;
goto error;
}
DEBUG("priv->device_attr.max_qp_wr is %d",
tmpl->wq = mlx5_glue->create_wq(priv->ctx, &attr.wq);
if (tmpl->wq == NULL) {
ERROR("%p: WQ creation failure", (void *)rxq_ctrl);
+ rte_errno = ENOMEM;
goto error;
}
/*
((1 << rxq_data->elts_n) >> rxq_data->sges_n),
(1 << rxq_data->sges_n),
attr.wq.max_wr, attr.wq.max_sge);
+ rte_errno = EINVAL;
goto error;
}
/* Change queue state to ready. */
if (ret) {
ERROR("%p: WQ state to IBV_WQS_RDY failed",
(void *)rxq_ctrl);
+ rte_errno = ret;
goto error;
}
obj.cq.in = tmpl->cq;
obj.rwq.in = tmpl->wq;
obj.rwq.out = &rwq;
ret = mlx5_glue->dv_init_obj(&obj, MLX5DV_OBJ_CQ | MLX5DV_OBJ_RWQ);
- if (ret != 0)
+ if (ret) {
+ rte_errno = ret;
goto error;
+ }
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);
+ rte_errno = EINVAL;
goto error;
}
/* Fill the rings. */
*rxq_data->rq_db = rte_cpu_to_be_32(rxq_data->rq_ci);
DEBUG("%p: rxq updated with %p", (void *)rxq_ctrl, (void *)&tmpl);
rte_atomic32_inc(&tmpl->refcnt);
- DEBUG("%p: Verbs Rx queue %p: refcnt %d", (void *)priv,
+ DEBUG("%p: Verbs Rx queue %p: refcnt %d", (void *)dev,
(void *)tmpl, rte_atomic32_read(&tmpl->refcnt));
LIST_INSERT_HEAD(&priv->rxqsibv, tmpl, next);
priv->verbs_alloc_ctx.type = MLX5_VERBS_ALLOC_TYPE_NONE;
return tmpl;
error:
+ ret = rte_errno; /* Save rte_errno before cleanup. */
if (tmpl->wq)
claim_zero(mlx5_glue->destroy_wq(tmpl->wq));
if (tmpl->cq)
if (tmpl->channel)
claim_zero(mlx5_glue->destroy_comp_channel(tmpl->channel));
if (tmpl->mr)
- priv_mr_release(priv, tmpl->mr);
+ mlx5_mr_release(tmpl->mr);
priv->verbs_alloc_ctx.type = MLX5_VERBS_ALLOC_TYPE_NONE;
+ rte_errno = ret; /* Restore rte_errno. */
return NULL;
}
/**
* Get an Rx queue Verbs object.
*
- * @param priv
- * Pointer to private structure.
+ * @param dev
+ * Pointer to Ethernet device.
* @param idx
* Queue index in DPDK Rx queue array
*
* The Verbs object if it exists.
*/
struct mlx5_rxq_ibv *
-mlx5_priv_rxq_ibv_get(struct priv *priv, uint16_t idx)
+mlx5_rxq_ibv_get(struct rte_eth_dev *dev, uint16_t idx)
{
+ struct priv *priv = dev->data->dev_private;
struct mlx5_rxq_data *rxq_data = (*priv->rxqs)[idx];
struct mlx5_rxq_ctrl *rxq_ctrl;
return NULL;
rxq_ctrl = container_of(rxq_data, struct mlx5_rxq_ctrl, rxq);
if (rxq_ctrl->ibv) {
- priv_mr_get(priv, rxq_data->mp);
+ mlx5_mr_get(dev, rxq_data->mp);
rte_atomic32_inc(&rxq_ctrl->ibv->refcnt);
- DEBUG("%p: Verbs Rx queue %p: refcnt %d", (void *)priv,
+ DEBUG("%p: Verbs Rx queue %p: refcnt %d", (void *)dev,
(void *)rxq_ctrl->ibv,
rte_atomic32_read(&rxq_ctrl->ibv->refcnt));
}
/**
* Release an Rx verbs queue object.
*
- * @param priv
- * Pointer to private structure.
* @param rxq_ibv
* Verbs Rx queue object.
*
* @return
- * 0 on success, errno value on failure.
+ * 1 while a reference on it exists, 0 when freed.
*/
int
-mlx5_priv_rxq_ibv_release(struct priv *priv, struct mlx5_rxq_ibv *rxq_ibv)
+mlx5_rxq_ibv_release(struct mlx5_rxq_ibv *rxq_ibv)
{
int ret;
assert(rxq_ibv->wq);
assert(rxq_ibv->cq);
assert(rxq_ibv->mr);
- ret = priv_mr_release(priv, rxq_ibv->mr);
+ ret = mlx5_mr_release(rxq_ibv->mr);
if (!ret)
rxq_ibv->mr = NULL;
- DEBUG("%p: Verbs Rx queue %p: refcnt %d", (void *)priv,
+ DEBUG("Verbs Rx queue %p: refcnt %d",
(void *)rxq_ibv, rte_atomic32_read(&rxq_ibv->refcnt));
if (rte_atomic32_dec_and_test(&rxq_ibv->refcnt)) {
rxq_free_elts(rxq_ibv->rxq_ctrl);
rte_free(rxq_ibv);
return 0;
}
- return EBUSY;
+ return 1;
}
/**
* Verify the Verbs Rx queue list is empty
*
- * @param priv
- * Pointer to private structure.
+ * @param dev
+ * Pointer to Ethernet device.
*
* @return
* The number of object not released.
*/
int
-mlx5_priv_rxq_ibv_verify(struct priv *priv)
+mlx5_rxq_ibv_verify(struct rte_eth_dev *dev)
{
+ struct priv *priv = dev->data->dev_private;
int ret = 0;
struct mlx5_rxq_ibv *rxq_ibv;
LIST_FOREACH(rxq_ibv, &priv->rxqsibv, next) {
- DEBUG("%p: Verbs Rx queue %p still referenced", (void *)priv,
+ DEBUG("%p: Verbs Rx queue %p still referenced", (void *)dev,
(void *)rxq_ibv);
++ret;
}
/**
* Return true if a single reference exists on the object.
*
- * @param priv
- * Pointer to private structure.
* @param rxq_ibv
* Verbs Rx queue object.
*/
int
-mlx5_priv_rxq_ibv_releasable(struct priv *priv __rte_unused,
- struct mlx5_rxq_ibv *rxq_ibv)
+mlx5_rxq_ibv_releasable(struct mlx5_rxq_ibv *rxq_ibv)
{
assert(rxq_ibv);
return (rte_atomic32_read(&rxq_ibv->refcnt) == 1);
/**
* Create a DPDK Rx queue.
*
- * @param priv
- * Pointer to private structure.
+ * @param dev
+ * Pointer to Ethernet device.
* @param idx
* TX queue index.
* @param desc
* NUMA socket on which memory must be allocated.
*
* @return
- * A DPDK queue object on success.
+ * A DPDK queue object on success, NULL otherwise and rte_errno is set.
*/
struct mlx5_rxq_ctrl *
-mlx5_priv_rxq_new(struct priv *priv, uint16_t idx, uint16_t desc,
- unsigned int socket, const struct rte_eth_rxconf *conf,
- struct rte_mempool *mp)
+mlx5_rxq_new(struct rte_eth_dev *dev, uint16_t idx, uint16_t desc,
+ unsigned int socket, const struct rte_eth_rxconf *conf,
+ struct rte_mempool *mp)
{
- struct rte_eth_dev *dev = priv->dev;
+ struct priv *priv = dev->data->dev_private;
struct mlx5_rxq_ctrl *tmpl;
unsigned int mb_len = rte_pktmbuf_data_room_size(mp);
struct mlx5_dev_config *config = &priv->config;
sizeof(*tmpl) +
desc_n * sizeof(struct rte_mbuf *),
0, socket);
- if (!tmpl)
+ if (!tmpl) {
+ rte_errno = ENOMEM;
return NULL;
+ }
tmpl->socket = socket;
if (priv->dev->data->dev_conf.intr_conf.rxq)
tmpl->irq = 1;
(void *)dev,
1 << sges_n,
dev->data->dev_conf.rxmode.max_rx_pkt_len);
+ rte_errno = EOVERFLOW;
goto error;
}
} else {
(void *)dev,
desc,
1 << tmpl->rxq.sges_n);
+ rte_errno = EINVAL;
goto error;
}
/* Toggle RX checksum offload if hardware supports it. */
tmpl->rxq.elts =
(struct rte_mbuf *(*)[1 << tmpl->rxq.elts_n])(tmpl + 1);
rte_atomic32_inc(&tmpl->refcnt);
- DEBUG("%p: Rx queue %p: refcnt %d", (void *)priv,
+ DEBUG("%p: Rx queue %p: refcnt %d", (void *)dev,
(void *)tmpl, rte_atomic32_read(&tmpl->refcnt));
LIST_INSERT_HEAD(&priv->rxqsctrl, tmpl, next);
return tmpl;
/**
* Get a Rx queue.
*
- * @param priv
- * Pointer to private structure.
+ * @param dev
+ * Pointer to Ethernet device.
* @param idx
* TX queue index.
*
* @return
- * A pointer to the queue if it exists.
+ * A pointer to the queue if it exists, NULL otherwise.
*/
struct mlx5_rxq_ctrl *
-mlx5_priv_rxq_get(struct priv *priv, uint16_t idx)
+mlx5_rxq_get(struct rte_eth_dev *dev, uint16_t idx)
{
+ struct priv *priv = dev->data->dev_private;
struct mlx5_rxq_ctrl *rxq_ctrl = NULL;
if ((*priv->rxqs)[idx]) {
rxq_ctrl = container_of((*priv->rxqs)[idx],
struct mlx5_rxq_ctrl,
rxq);
- mlx5_priv_rxq_ibv_get(priv, idx);
+ mlx5_rxq_ibv_get(dev, idx);
rte_atomic32_inc(&rxq_ctrl->refcnt);
- DEBUG("%p: Rx queue %p: refcnt %d", (void *)priv,
+ DEBUG("%p: Rx queue %p: refcnt %d", (void *)dev,
(void *)rxq_ctrl, rte_atomic32_read(&rxq_ctrl->refcnt));
}
return rxq_ctrl;
/**
* Release a Rx queue.
*
- * @param priv
- * Pointer to private structure.
+ * @param dev
+ * Pointer to Ethernet device.
* @param idx
* TX queue index.
*
* @return
- * 0 on success, errno value on failure.
+ * 1 while a reference on it exists, 0 when freed.
*/
int
-mlx5_priv_rxq_release(struct priv *priv, uint16_t idx)
+mlx5_rxq_release(struct rte_eth_dev *dev, uint16_t idx)
{
+ struct priv *priv = dev->data->dev_private;
struct mlx5_rxq_ctrl *rxq_ctrl;
if (!(*priv->rxqs)[idx])
return 0;
rxq_ctrl = container_of((*priv->rxqs)[idx], struct mlx5_rxq_ctrl, rxq);
assert(rxq_ctrl->priv);
- if (rxq_ctrl->ibv) {
- int ret;
-
- ret = mlx5_priv_rxq_ibv_release(rxq_ctrl->priv, rxq_ctrl->ibv);
- if (!ret)
- rxq_ctrl->ibv = NULL;
- }
- DEBUG("%p: Rx queue %p: refcnt %d", (void *)priv,
+ if (rxq_ctrl->ibv && !mlx5_rxq_ibv_release(rxq_ctrl->ibv))
+ rxq_ctrl->ibv = NULL;
+ DEBUG("%p: Rx queue %p: refcnt %d", (void *)dev,
(void *)rxq_ctrl, rte_atomic32_read(&rxq_ctrl->refcnt));
if (rte_atomic32_dec_and_test(&rxq_ctrl->refcnt)) {
LIST_REMOVE(rxq_ctrl, next);
(*priv->rxqs)[idx] = NULL;
return 0;
}
- return EBUSY;
+ return 1;
}
/**
* Verify if the queue can be released.
*
- * @param priv
- * Pointer to private structure.
+ * @param dev
+ * Pointer to Ethernet device.
* @param idx
* TX queue index.
*
* @return
- * 1 if the queue can be released.
+ * 1 if the queue can be released, negative errno otherwise and rte_errno is
+ * set.
*/
int
-mlx5_priv_rxq_releasable(struct priv *priv, uint16_t idx)
+mlx5_rxq_releasable(struct rte_eth_dev *dev, uint16_t idx)
{
+ struct priv *priv = dev->data->dev_private;
struct mlx5_rxq_ctrl *rxq_ctrl;
- if (!(*priv->rxqs)[idx])
- return -1;
+ if (!(*priv->rxqs)[idx]) {
+ rte_errno = EINVAL;
+ return -rte_errno;
+ }
rxq_ctrl = container_of((*priv->rxqs)[idx], struct mlx5_rxq_ctrl, rxq);
return (rte_atomic32_read(&rxq_ctrl->refcnt) == 1);
}
/**
* Verify the Rx Queue list is empty
*
- * @param priv
- * Pointer to private structure.
+ * @param dev
+ * Pointer to Ethernet device.
*
* @return
* The number of object not released.
*/
int
-mlx5_priv_rxq_verify(struct priv *priv)
+mlx5_rxq_verify(struct rte_eth_dev *dev)
{
+ struct priv *priv = dev->data->dev_private;
struct mlx5_rxq_ctrl *rxq_ctrl;
int ret = 0;
LIST_FOREACH(rxq_ctrl, &priv->rxqsctrl, next) {
- DEBUG("%p: Rx Queue %p still referenced", (void *)priv,
+ DEBUG("%p: Rx Queue %p still referenced", (void *)dev,
(void *)rxq_ctrl);
++ret;
}
/**
* Create an indirection table.
*
- * @param priv
- * Pointer to private structure.
+ * @param dev
+ * Pointer to Ethernet device.
* @param queues
* Queues entering in the indirection table.
* @param queues_n
* Number of queues in the array.
*
* @return
- * A new indirection table.
+ * The Verbs object initialised, NULL otherwise and rte_errno is set.
*/
struct mlx5_ind_table_ibv *
-mlx5_priv_ind_table_ibv_new(struct priv *priv, uint16_t queues[],
- uint16_t queues_n)
+mlx5_ind_table_ibv_new(struct rte_eth_dev *dev, uint16_t queues[],
+ uint16_t queues_n)
{
+ struct priv *priv = dev->data->dev_private;
struct mlx5_ind_table_ibv *ind_tbl;
const unsigned int wq_n = rte_is_power_of_2(queues_n) ?
log2above(queues_n) :
ind_tbl = rte_calloc(__func__, 1, sizeof(*ind_tbl) +
queues_n * sizeof(uint16_t), 0);
- if (!ind_tbl)
+ if (!ind_tbl) {
+ rte_errno = ENOMEM;
return NULL;
+ }
for (i = 0; i != queues_n; ++i) {
- struct mlx5_rxq_ctrl *rxq =
- mlx5_priv_rxq_get(priv, queues[i]);
+ struct mlx5_rxq_ctrl *rxq = mlx5_rxq_get(dev, queues[i]);
if (!rxq)
goto error;
.ind_tbl = wq,
.comp_mask = 0,
});
- if (!ind_tbl->ind_table)
+ if (!ind_tbl->ind_table) {
+ rte_errno = errno;
goto error;
+ }
rte_atomic32_inc(&ind_tbl->refcnt);
LIST_INSERT_HEAD(&priv->ind_tbls, ind_tbl, next);
- DEBUG("%p: Indirection table %p: refcnt %d", (void *)priv,
+ DEBUG("%p: Indirection table %p: refcnt %d", (void *)dev,
(void *)ind_tbl, rte_atomic32_read(&ind_tbl->refcnt));
return ind_tbl;
error:
rte_free(ind_tbl);
- DEBUG("%p cannot create indirection table", (void *)priv);
+ DEBUG("%p cannot create indirection table", (void *)dev);
return NULL;
}
/**
* Get an indirection table.
*
- * @param priv
- * Pointer to private structure.
+ * @param dev
+ * Pointer to Ethernet device.
* @param queues
* Queues entering in the indirection table.
* @param queues_n
* An indirection table if found.
*/
struct mlx5_ind_table_ibv *
-mlx5_priv_ind_table_ibv_get(struct priv *priv, uint16_t queues[],
- uint16_t queues_n)
+mlx5_ind_table_ibv_get(struct rte_eth_dev *dev, uint16_t queues[],
+ uint16_t queues_n)
{
+ struct priv *priv = dev->data->dev_private;
struct mlx5_ind_table_ibv *ind_tbl;
LIST_FOREACH(ind_tbl, &priv->ind_tbls, next) {
unsigned int i;
rte_atomic32_inc(&ind_tbl->refcnt);
- DEBUG("%p: Indirection table %p: refcnt %d", (void *)priv,
+ DEBUG("%p: Indirection table %p: refcnt %d", (void *)dev,
(void *)ind_tbl, rte_atomic32_read(&ind_tbl->refcnt));
for (i = 0; i != ind_tbl->queues_n; ++i)
- mlx5_priv_rxq_get(priv, ind_tbl->queues[i]);
+ mlx5_rxq_get(dev, ind_tbl->queues[i]);
}
return ind_tbl;
}
/**
* Release an indirection table.
*
- * @param priv
- * Pointer to private structure.
+ * @param dev
+ * Pointer to Ethernet device.
* @param ind_table
* Indirection table to release.
*
* @return
- * 0 on success, errno value on failure.
+ * 1 while a reference on it exists, 0 when freed.
*/
int
-mlx5_priv_ind_table_ibv_release(struct priv *priv,
- struct mlx5_ind_table_ibv *ind_tbl)
+mlx5_ind_table_ibv_release(struct rte_eth_dev *dev,
+ struct mlx5_ind_table_ibv *ind_tbl)
{
unsigned int i;
- DEBUG("%p: Indirection table %p: refcnt %d", (void *)priv,
+ DEBUG("%p: Indirection table %p: refcnt %d", (void *)dev,
(void *)ind_tbl, rte_atomic32_read(&ind_tbl->refcnt));
if (rte_atomic32_dec_and_test(&ind_tbl->refcnt))
claim_zero(mlx5_glue->destroy_rwq_ind_table
(ind_tbl->ind_table));
for (i = 0; i != ind_tbl->queues_n; ++i)
- claim_nonzero(mlx5_priv_rxq_release(priv, ind_tbl->queues[i]));
+ claim_nonzero(mlx5_rxq_release(dev, ind_tbl->queues[i]));
if (!rte_atomic32_read(&ind_tbl->refcnt)) {
LIST_REMOVE(ind_tbl, next);
rte_free(ind_tbl);
return 0;
}
- return EBUSY;
+ return 1;
}
/**
* Verify the Rx Queue list is empty
*
- * @param priv
- * Pointer to private structure.
+ * @param dev
+ * Pointer to Ethernet device.
*
* @return
* The number of object not released.
*/
int
-mlx5_priv_ind_table_ibv_verify(struct priv *priv)
+mlx5_ind_table_ibv_verify(struct rte_eth_dev *dev)
{
+ struct priv *priv = dev->data->dev_private;
struct mlx5_ind_table_ibv *ind_tbl;
int ret = 0;
LIST_FOREACH(ind_tbl, &priv->ind_tbls, next) {
DEBUG("%p: Verbs indirection table %p still referenced",
- (void *)priv, (void *)ind_tbl);
+ (void *)dev, (void *)ind_tbl);
++ret;
}
return ret;
/**
* Create an Rx Hash queue.
*
- * @param priv
- * Pointer to private structure.
+ * @param dev
+ * Pointer to Ethernet device.
* @param rss_key
* RSS key for the Rx hash queue.
* @param rss_key_len
* Number of queues.
*
* @return
- * An hash Rx queue on success.
+ * The Verbs object initialised, NULL otherwise and rte_errno is set.
*/
struct mlx5_hrxq *
-mlx5_priv_hrxq_new(struct priv *priv, uint8_t *rss_key, uint8_t rss_key_len,
- uint64_t hash_fields, uint16_t queues[], uint16_t queues_n)
+mlx5_hrxq_new(struct rte_eth_dev *dev, uint8_t *rss_key, uint8_t rss_key_len,
+ uint64_t hash_fields, uint16_t queues[], uint16_t queues_n)
{
+ struct priv *priv = dev->data->dev_private;
struct mlx5_hrxq *hrxq;
struct mlx5_ind_table_ibv *ind_tbl;
struct ibv_qp *qp;
+ int err;
queues_n = hash_fields ? queues_n : 1;
- ind_tbl = mlx5_priv_ind_table_ibv_get(priv, queues, queues_n);
- if (!ind_tbl)
- ind_tbl = mlx5_priv_ind_table_ibv_new(priv, queues, queues_n);
+ ind_tbl = mlx5_ind_table_ibv_get(dev, queues, queues_n);
if (!ind_tbl)
+ ind_tbl = mlx5_ind_table_ibv_new(dev, queues, queues_n);
+ if (!ind_tbl) {
+ rte_errno = ENOMEM;
return NULL;
+ }
qp = mlx5_glue->create_qp_ex
(priv->ctx,
&(struct ibv_qp_init_attr_ex){
.rwq_ind_tbl = ind_tbl->ind_table,
.pd = priv->pd,
});
- if (!qp)
+ if (!qp) {
+ rte_errno = errno;
goto error;
+ }
hrxq = rte_calloc(__func__, 1, sizeof(*hrxq) + rss_key_len, 0);
if (!hrxq)
goto error;
memcpy(hrxq->rss_key, rss_key, rss_key_len);
rte_atomic32_inc(&hrxq->refcnt);
LIST_INSERT_HEAD(&priv->hrxqs, hrxq, next);
- DEBUG("%p: Hash Rx queue %p: refcnt %d", (void *)priv,
+ DEBUG("%p: Hash Rx queue %p: refcnt %d", (void *)dev,
(void *)hrxq, rte_atomic32_read(&hrxq->refcnt));
return hrxq;
error:
- mlx5_priv_ind_table_ibv_release(priv, ind_tbl);
+ err = rte_errno; /* Save rte_errno before cleanup. */
+ mlx5_ind_table_ibv_release(dev, ind_tbl);
if (qp)
claim_zero(mlx5_glue->destroy_qp(qp));
+ rte_errno = err; /* Restore rte_errno. */
return NULL;
}
/**
* Get an Rx Hash queue.
*
- * @param priv
- * Pointer to private structure.
+ * @param dev
+ * Pointer to Ethernet device.
* @param rss_conf
* RSS configuration for the Rx hash queue.
* @param queues
* An hash Rx queue on success.
*/
struct mlx5_hrxq *
-mlx5_priv_hrxq_get(struct priv *priv, uint8_t *rss_key, uint8_t rss_key_len,
- uint64_t hash_fields, uint16_t queues[], uint16_t queues_n)
+mlx5_hrxq_get(struct rte_eth_dev *dev, uint8_t *rss_key, uint8_t rss_key_len,
+ uint64_t hash_fields, uint16_t queues[], uint16_t queues_n)
{
+ struct priv *priv = dev->data->dev_private;
struct mlx5_hrxq *hrxq;
queues_n = hash_fields ? queues_n : 1;
continue;
if (hrxq->hash_fields != hash_fields)
continue;
- ind_tbl = mlx5_priv_ind_table_ibv_get(priv, queues, queues_n);
+ ind_tbl = mlx5_ind_table_ibv_get(dev, queues, queues_n);
if (!ind_tbl)
continue;
if (ind_tbl != hrxq->ind_table) {
- mlx5_priv_ind_table_ibv_release(priv, ind_tbl);
+ mlx5_ind_table_ibv_release(dev, ind_tbl);
continue;
}
rte_atomic32_inc(&hrxq->refcnt);
- DEBUG("%p: Hash Rx queue %p: refcnt %d", (void *)priv,
+ DEBUG("%p: Hash Rx queue %p: refcnt %d", (void *)dev,
(void *)hrxq, rte_atomic32_read(&hrxq->refcnt));
return hrxq;
}
/**
* Release the hash Rx queue.
*
- * @param priv
- * Pointer to private structure.
+ * @param dev
+ * Pointer to Ethernet device.
* @param hrxq
* Pointer to Hash Rx queue to release.
*
* @return
- * 0 on success, errno value on failure.
+ * 1 while a reference on it exists, 0 when freed.
*/
int
-mlx5_priv_hrxq_release(struct priv *priv, struct mlx5_hrxq *hrxq)
+mlx5_hrxq_release(struct rte_eth_dev *dev, struct mlx5_hrxq *hrxq)
{
- DEBUG("%p: Hash Rx queue %p: refcnt %d", (void *)priv,
+ DEBUG("%p: Hash Rx queue %p: refcnt %d", (void *)dev,
(void *)hrxq, rte_atomic32_read(&hrxq->refcnt));
if (rte_atomic32_dec_and_test(&hrxq->refcnt)) {
claim_zero(mlx5_glue->destroy_qp(hrxq->qp));
- mlx5_priv_ind_table_ibv_release(priv, hrxq->ind_table);
+ mlx5_ind_table_ibv_release(dev, hrxq->ind_table);
LIST_REMOVE(hrxq, next);
rte_free(hrxq);
return 0;
}
- claim_nonzero(mlx5_priv_ind_table_ibv_release(priv, hrxq->ind_table));
- return EBUSY;
+ claim_nonzero(mlx5_ind_table_ibv_release(dev, hrxq->ind_table));
+ return 1;
}
/**
* Verify the Rx Queue list is empty
*
- * @param priv
- * Pointer to private structure.
+ * @param dev
+ * Pointer to Ethernet device.
*
* @return
* The number of object not released.
*/
int
-mlx5_priv_hrxq_ibv_verify(struct priv *priv)
+mlx5_hrxq_ibv_verify(struct rte_eth_dev *dev)
{
+ struct priv *priv = dev->data->dev_private;
struct mlx5_hrxq *hrxq;
int ret = 0;
LIST_FOREACH(hrxq, &priv->hrxqs, next) {
DEBUG("%p: Verbs Hash Rx queue %p still referenced",
- (void *)priv, (void *)hrxq);
+ (void *)dev, (void *)hrxq);
++ret;
}
return ret;
git.droids-corp.org / dpdk.git / blobdiff