* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
+#include <unistd.h>
-/* DPDK headers don't like -pedantic. */
-#ifdef PEDANTIC
-#pragma GCC diagnostic ignored "-pedantic"
-#endif
#include <rte_ether.h>
#include <rte_ethdev.h>
-#ifdef PEDANTIC
-#pragma GCC diagnostic error "-pedantic"
-#endif
+#include <rte_interrupts.h>
+#include <rte_alarm.h>
#include "mlx5.h"
#include "mlx5_rxtx.h"
#include "mlx5_utils.h"
+static void
+priv_txq_stop(struct priv *priv)
+{
+ unsigned int i;
+
+ for (i = 0; i != priv->txqs_n; ++i)
+ mlx5_priv_txq_release(priv, i);
+}
+
+static int
+priv_txq_start(struct priv *priv)
+{
+ unsigned int i;
+ int ret = 0;
+
+ /* Add memory regions to Tx queues. */
+ for (i = 0; i != priv->txqs_n; ++i) {
+ unsigned int idx = 0;
+ struct mlx5_mr *mr;
+ struct mlx5_txq_ctrl *txq_ctrl = mlx5_priv_txq_get(priv, i);
+
+ if (!txq_ctrl)
+ continue;
+ LIST_FOREACH(mr, &priv->mr, next)
+ priv_txq_mp2mr_reg(priv, &txq_ctrl->txq, mr->mp, idx++);
+ txq_alloc_elts(txq_ctrl);
+ txq_ctrl->ibv = mlx5_priv_txq_ibv_new(priv, i);
+ if (!txq_ctrl->ibv) {
+ ret = ENOMEM;
+ goto error;
+ }
+ }
+ return -ret;
+error:
+ priv_txq_stop(priv);
+ return -ret;
+}
+
+static void
+priv_rxq_stop(struct priv *priv)
+{
+ unsigned int i;
+
+ for (i = 0; i != priv->rxqs_n; ++i)
+ mlx5_priv_rxq_release(priv, i);
+}
+
+static int
+priv_rxq_start(struct priv *priv)
+{
+ unsigned int i;
+ int ret = 0;
+
+ for (i = 0; i != priv->rxqs_n; ++i) {
+ struct mlx5_rxq_ctrl *rxq_ctrl = mlx5_priv_rxq_get(priv, i);
+
+ if (!rxq_ctrl)
+ continue;
+ ret = rxq_alloc_elts(rxq_ctrl);
+ if (ret)
+ goto error;
+ rxq_ctrl->ibv = mlx5_priv_rxq_ibv_new(priv, i);
+ if (!rxq_ctrl->ibv) {
+ ret = ENOMEM;
+ goto error;
+ }
+ }
+ return -ret;
+error:
+ priv_rxq_stop(priv);
+ return -ret;
+}
+
/**
* DPDK callback to start the device.
*
mlx5_dev_start(struct rte_eth_dev *dev)
{
struct priv *priv = dev->data->dev_private;
- unsigned int i = 0;
- unsigned int r;
- struct rxq *rxq;
+ struct mlx5_mr *mr = NULL;
+ int err;
+
+ if (mlx5_is_secondary())
+ return -E_RTE_SECONDARY;
priv_lock(priv);
- if (priv->started) {
- priv_unlock(priv);
- return 0;
+ DEBUG("%p: allocating and configuring hash RX queues", (void *)dev);
+ rte_mempool_walk(mlx5_mp2mr_iter, priv);
+ err = priv_txq_start(priv);
+ if (err) {
+ ERROR("%p: TXQ allocation failed: %s",
+ (void *)dev, strerror(err));
+ goto error;
}
- DEBUG("%p: attaching configured flows to all RX queues", (void *)dev);
- priv->started = 1;
- if (priv->rss) {
- rxq = &priv->rxq_parent;
- r = 1;
- } else {
- rxq = (*priv->rxqs)[0];
- r = priv->rxqs_n;
+ /* Update send callback. */
+ priv_dev_select_tx_function(priv, dev);
+ err = priv_rxq_start(priv);
+ if (err) {
+ ERROR("%p: RXQ allocation failed: %s",
+ (void *)dev, strerror(err));
+ goto error;
}
- /* Iterate only once when RSS is enabled. */
- do {
- int ret;
-
- /* Ignore nonexistent RX queues. */
- if (rxq == NULL)
- continue;
- ret = rxq_mac_addrs_add(rxq);
- if (!ret && priv->promisc_req)
- ret = rxq_promiscuous_enable(rxq);
- if (!ret && priv->allmulti_req)
- ret = rxq_allmulticast_enable(rxq);
- if (!ret)
- continue;
- WARN("%p: QP flow attachment failed: %s",
- (void *)dev, strerror(ret));
- /* Rollback. */
- while (i != 0) {
- rxq = (*priv->rxqs)[--i];
- if (rxq != NULL) {
- rxq_allmulticast_disable(rxq);
- rxq_promiscuous_disable(rxq);
- rxq_mac_addrs_del(rxq);
- }
- }
- priv->started = 0;
- priv_unlock(priv);
- return -ret;
- } while ((--r) && ((rxq = (*priv->rxqs)[++i]), i));
+ /* Update receive callback. */
+ priv_dev_select_rx_function(priv, dev);
+ err = priv_create_hash_rxqs(priv);
+ if (!err)
+ err = priv_rehash_flows(priv);
+ else {
+ ERROR("%p: an error occurred while configuring hash RX queues:"
+ " %s",
+ (void *)priv, strerror(err));
+ goto error;
+ }
+ if (dev->data->promiscuous)
+ mlx5_promiscuous_enable(dev);
+ err = priv_flow_start(priv, &priv->ctrl_flows);
+ if (err) {
+ ERROR("%p: an error occurred while configuring control flows:"
+ " %s",
+ (void *)priv, strerror(err));
+ goto error;
+ }
+ err = priv_flow_start(priv, &priv->flows);
+ if (err) {
+ ERROR("%p: an error occurred while configuring flows:"
+ " %s",
+ (void *)priv, strerror(err));
+ goto error;
+ }
+ err = priv_rx_intr_vec_enable(priv);
+ if (err) {
+ ERROR("%p: RX interrupt vector creation failed",
+ (void *)priv);
+ goto error;
+ }
+ priv_dev_interrupt_handler_install(priv, dev);
+ priv_xstats_init(priv);
priv_unlock(priv);
return 0;
+error:
+ /* Rollback. */
+ LIST_FOREACH(mr, &priv->mr, next)
+ priv_mr_release(priv, mr);
+ priv_special_flow_disable_all(priv);
+ priv_mac_addrs_disable(priv);
+ priv_destroy_hash_rxqs(priv);
+ priv_flow_stop(priv, &priv->flows);
+ priv_flow_flush(priv, &priv->ctrl_flows);
+ priv_rxq_stop(priv);
+ priv_txq_stop(priv);
+ priv_unlock(priv);
+ return -err;
}
/**
mlx5_dev_stop(struct rte_eth_dev *dev)
{
struct priv *priv = dev->data->dev_private;
- unsigned int i = 0;
- unsigned int r;
- struct rxq *rxq;
+ struct mlx5_mr *mr;
- priv_lock(priv);
- if (!priv->started) {
- priv_unlock(priv);
+ if (mlx5_is_secondary())
return;
+
+ priv_lock(priv);
+ dev->data->dev_started = 0;
+ /* Prevent crashes when queues are still in use. */
+ dev->rx_pkt_burst = removed_rx_burst;
+ dev->tx_pkt_burst = removed_tx_burst;
+ rte_wmb();
+ usleep(1000 * priv->rxqs_n);
+ DEBUG("%p: cleaning up and destroying hash RX queues", (void *)dev);
+ priv_special_flow_disable_all(priv);
+ priv_mac_addrs_disable(priv);
+ priv_destroy_hash_rxqs(priv);
+ priv_flow_stop(priv, &priv->flows);
+ priv_flow_flush(priv, &priv->ctrl_flows);
+ priv_rx_intr_vec_disable(priv);
+ priv_dev_interrupt_handler_uninstall(priv, dev);
+ priv_txq_stop(priv);
+ priv_rxq_stop(priv);
+ LIST_FOREACH(mr, &priv->mr, next) {
+ priv_mr_release(priv, mr);
}
- DEBUG("%p: detaching flows from all RX queues", (void *)dev);
- priv->started = 0;
- if (priv->rss) {
- rxq = &priv->rxq_parent;
- r = 1;
- } else {
- rxq = (*priv->rxqs)[0];
- r = priv->rxqs_n;
- }
- /* Iterate only once when RSS is enabled. */
- do {
- /* Ignore nonexistent RX queues. */
- if (rxq == NULL)
- continue;
- rxq_allmulticast_disable(rxq);
- rxq_promiscuous_disable(rxq);
- rxq_mac_addrs_del(rxq);
- } while ((--r) && ((rxq = (*priv->rxqs)[++i]), i));
priv_unlock(priv);
}
git.droids-corp.org / dpdk.git / blobdiff