* (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 "-Wpedantic"
-#endif
#include <rte_ether.h>
#include <rte_ethdev.h>
#include <rte_interrupts.h>
#include <rte_alarm.h>
-#ifdef PEDANTIC
-#pragma GCC diagnostic error "-Wpedantic"
-#endif
#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;
+ struct mlx5_mr *mr = NULL;
int err;
if (mlx5_is_secondary())
return -E_RTE_SECONDARY;
+ dev->data->dev_started = 1;
priv_lock(priv);
- if (priv->started) {
- priv_unlock(priv);
- return 0;
+ err = priv_flow_create_drop_queue(priv);
+ if (err) {
+ ERROR("%p: Drop queue allocation failed: %s",
+ (void *)dev, strerror(err));
+ goto error;
}
- /* Update Rx/Tx callback. */
- priv_select_tx_function(priv);
- priv_select_rx_function(priv);
DEBUG("%p: allocating and configuring hash RX queues", (void *)dev);
- err = priv_create_hash_rxqs(priv);
- if (!err)
- err = priv_rehash_flows(priv);
- if (!err)
- priv->started = 1;
- else {
- ERROR("%p: an error occurred while configuring hash RX queues:"
+ 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;
+ }
+ /* 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;
+ }
+ /* Update receive callback. */
+ priv_dev_select_rx_function(priv, dev);
+ err = priv_dev_traffic_enable(priv, dev);
+ if (err) {
+ ERROR("%p: an error occurred while configuring control flows:"
" %s",
(void *)priv, strerror(err));
goto error;
}
- if (dev->data->dev_conf.fdir_conf.mode != RTE_FDIR_MODE_NONE)
- priv_fdir_enable(priv);
- err = priv_flow_start(priv);
+ err = priv_flow_start(priv, &priv->flows);
if (err) {
- priv->started = 0;
ERROR("%p: an error occurred while configuring flows:"
" %s",
(void *)priv, strerror(err));
return 0;
error:
/* Rollback. */
- priv_special_flow_disable_all(priv);
- priv_mac_addrs_disable(priv);
- priv_destroy_hash_rxqs(priv);
- priv_flow_stop(priv);
+ dev->data->dev_started = 0;
+ for (mr = LIST_FIRST(&priv->mr); mr; mr = LIST_FIRST(&priv->mr))
+ priv_mr_release(priv, mr);
+ priv_flow_stop(priv, &priv->flows);
+ priv_dev_traffic_disable(priv, dev);
+ priv_txq_stop(priv);
+ priv_rxq_stop(priv);
+ priv_flow_delete_drop_queue(priv);
priv_unlock(priv);
return -err;
}
mlx5_dev_stop(struct rte_eth_dev *dev)
{
struct priv *priv = dev->data->dev_private;
+ struct mlx5_mr *mr;
if (mlx5_is_secondary())
return;
priv_lock(priv);
- if (!priv->started) {
- priv_unlock(priv);
- return;
- }
+ 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_fdir_disable(priv);
- priv_flow_stop(priv);
+ priv_flow_stop(priv, &priv->flows);
+ priv_dev_traffic_disable(priv, dev);
priv_rx_intr_vec_disable(priv);
priv_dev_interrupt_handler_uninstall(priv, dev);
- priv->started = 0;
+ priv_txq_stop(priv);
+ priv_rxq_stop(priv);
+ for (mr = LIST_FIRST(&priv->mr); mr; mr = LIST_FIRST(&priv->mr))
+ priv_mr_release(priv, mr);
+ priv_flow_delete_drop_queue(priv);
+ priv_unlock(priv);
+}
+
+/**
+ * Enable traffic flows configured by control plane
+ *
+ * @param priv
+ * Pointer to Ethernet device private data.
+ * @param dev
+ * Pointer to Ethernet device structure.
+ *
+ * @return
+ * 0 on success.
+ */
+int
+priv_dev_traffic_enable(struct priv *priv, struct rte_eth_dev *dev)
+{
+ struct rte_flow_item_eth bcast = {
+ .dst.addr_bytes = "\xff\xff\xff\xff\xff\xff",
+ };
+ struct rte_flow_item_eth ipv6_multi_spec = {
+ .dst.addr_bytes = "\x33\x33\x00\x00\x00\x00",
+ };
+ struct rte_flow_item_eth ipv6_multi_mask = {
+ .dst.addr_bytes = "\xff\xff\x00\x00\x00\x00",
+ };
+ struct rte_flow_item_eth unicast = {
+ .src.addr_bytes = "\x00\x00\x00\x00\x00\x00",
+ };
+ struct rte_flow_item_eth unicast_mask = {
+ .dst.addr_bytes = "\xff\xff\xff\xff\xff\xff",
+ };
+ const unsigned int vlan_filter_n = priv->vlan_filter_n;
+ const struct ether_addr cmp = {
+ .addr_bytes = "\x00\x00\x00\x00\x00\x00",
+ };
+ unsigned int i;
+ unsigned int j;
+ int ret;
+
+ if (priv->isolated)
+ return 0;
+ if (dev->data->promiscuous) {
+ struct rte_flow_item_eth promisc = {
+ .dst.addr_bytes = "\x00\x00\x00\x00\x00\x00",
+ .src.addr_bytes = "\x00\x00\x00\x00\x00\x00",
+ .type = 0,
+ };
+
+ claim_zero(mlx5_ctrl_flow(dev, &promisc, &promisc));
+ return 0;
+ }
+ if (dev->data->all_multicast) {
+ struct rte_flow_item_eth multicast = {
+ .dst.addr_bytes = "\x01\x00\x00\x00\x00\x00",
+ .src.addr_bytes = "\x00\x00\x00\x00\x00\x00",
+ .type = 0,
+ };
+
+ claim_zero(mlx5_ctrl_flow(dev, &multicast, &multicast));
+ } else {
+ /* Add broadcast/multicast flows. */
+ for (i = 0; i != vlan_filter_n; ++i) {
+ uint16_t vlan = priv->vlan_filter[i];
+
+ struct rte_flow_item_vlan vlan_spec = {
+ .tci = rte_cpu_to_be_16(vlan),
+ };
+ struct rte_flow_item_vlan vlan_mask = {
+ .tci = 0xffff,
+ };
+
+ ret = mlx5_ctrl_flow_vlan(dev, &bcast, &bcast,
+ &vlan_spec, &vlan_mask);
+ if (ret)
+ goto error;
+ ret = mlx5_ctrl_flow_vlan(dev, &ipv6_multi_spec,
+ &ipv6_multi_mask,
+ &vlan_spec, &vlan_mask);
+ if (ret)
+ goto error;
+ }
+ if (!vlan_filter_n) {
+ ret = mlx5_ctrl_flow(dev, &bcast, &bcast);
+ if (ret)
+ goto error;
+ ret = mlx5_ctrl_flow(dev, &ipv6_multi_spec,
+ &ipv6_multi_mask);
+ if (ret)
+ goto error;
+ }
+ }
+ /* Add MAC address flows. */
+ for (i = 0; i != MLX5_MAX_MAC_ADDRESSES; ++i) {
+ struct ether_addr *mac = &dev->data->mac_addrs[i];
+
+ if (!memcmp(mac, &cmp, sizeof(*mac)))
+ continue;
+ memcpy(&unicast.dst.addr_bytes,
+ mac->addr_bytes,
+ ETHER_ADDR_LEN);
+ for (j = 0; j != vlan_filter_n; ++j) {
+ uint16_t vlan = priv->vlan_filter[j];
+
+ struct rte_flow_item_vlan vlan_spec = {
+ .tci = rte_cpu_to_be_16(vlan),
+ };
+ struct rte_flow_item_vlan vlan_mask = {
+ .tci = 0xffff,
+ };
+
+ ret = mlx5_ctrl_flow_vlan(dev, &unicast,
+ &unicast_mask,
+ &vlan_spec,
+ &vlan_mask);
+ if (ret)
+ goto error;
+ }
+ if (!vlan_filter_n) {
+ ret = mlx5_ctrl_flow(dev, &unicast,
+ &unicast_mask);
+ if (ret)
+ goto error;
+ }
+ }
+ return 0;
+error:
+ return rte_errno;
+}
+
+
+/**
+ * Disable traffic flows configured by control plane
+ *
+ * @param priv
+ * Pointer to Ethernet device private data.
+ * @param dev
+ * Pointer to Ethernet device structure.
+ *
+ * @return
+ * 0 on success.
+ */
+int
+priv_dev_traffic_disable(struct priv *priv, struct rte_eth_dev *dev)
+{
+ (void)dev;
+ priv_flow_flush(priv, &priv->ctrl_flows);
+ return 0;
+}
+
+/**
+ * Restart traffic flows configured by control plane
+ *
+ * @param priv
+ * Pointer to Ethernet device private data.
+ * @param dev
+ * Pointer to Ethernet device structure.
+ *
+ * @return
+ * 0 on success.
+ */
+int
+priv_dev_traffic_restart(struct priv *priv, struct rte_eth_dev *dev)
+{
+ if (dev->data->dev_started) {
+ priv_dev_traffic_disable(priv, dev);
+ priv_dev_traffic_enable(priv, dev);
+ }
+ return 0;
+}
+
+/**
+ * Restart traffic flows configured by control plane
+ *
+ * @param dev
+ * Pointer to Ethernet device structure.
+ *
+ * @return
+ * 0 on success.
+ */
+int
+mlx5_traffic_restart(struct rte_eth_dev *dev)
+{
+ struct priv *priv = dev->data->dev_private;
+
+ priv_lock(priv);
+ priv_dev_traffic_restart(priv, dev);
priv_unlock(priv);
+ return 0;
}
Code Review / deb_dpdk.git / blobdiff