- priv_lock(priv);
- priv->promisc_req = 0;
- priv_promiscuous_disable(priv);
- priv_mac_addrs_enable(priv);
- priv_allmulticast_enable(priv);
- priv_unlock(priv);
-}
-
-/**
- * Enable allmulti mode in a hash RX queue.
- *
- * @param hash_rxq
- * Pointer to hash RX queue structure.
- *
- * @return
- * 0 on success, errno value on failure.
- */
-static int
-hash_rxq_allmulticast_enable(struct hash_rxq *hash_rxq)
-{
- struct ibv_exp_flow *flow;
- FLOW_ATTR_SPEC_ETH(data, hash_rxq_flow_attr(hash_rxq, NULL, 0));
- struct ibv_exp_flow_attr *attr = &data->attr;
- struct ibv_exp_flow_spec_eth *spec = &data->spec;
-
- if (hash_rxq->allmulti_flow != NULL)
- return 0;
- DEBUG("%p: enabling allmulticast mode", (void *)hash_rxq);
- /*
- * No padding must be inserted by the compiler between attr and spec.
- * This layout is expected by libibverbs.
- */
- assert(((uint8_t *)attr + sizeof(*attr)) == (uint8_t *)spec);
- hash_rxq_flow_attr(hash_rxq, attr, sizeof(data));
- *spec = (struct ibv_exp_flow_spec_eth){
- .type = IBV_EXP_FLOW_SPEC_ETH,
- .size = sizeof(*spec),
- .val = {
- .dst_mac = "\x01\x00\x00\x00\x00\x00",
- },
- .mask = {
- .dst_mac = "\x01\x00\x00\x00\x00\x00",
- },
- };
- errno = 0;
- flow = ibv_exp_create_flow(hash_rxq->qp, attr);
- if (flow == NULL) {
- /* It's not clear whether errno is always set in this case. */
- ERROR("%p: flow configuration failed, errno=%d: %s",
- (void *)hash_rxq, errno,
- (errno ? strerror(errno) : "Unknown error"));
- if (errno)
- return errno;
- return EINVAL;
- }
- hash_rxq->allmulti_flow = flow;
- DEBUG("%p: allmulticast mode enabled", (void *)hash_rxq);
- return 0;
-}
-
-/**
- * Enable allmulti mode in most hash RX queues.
- * TCP queues are exempted to save resources.
- *
- * @param priv
- * Private structure.
- *
- * @return
- * 0 on success, errno value on failure.
- */
-int
-priv_allmulticast_enable(struct priv *priv)
-{
- unsigned int i;
-
- if (!priv_allow_flow_type(priv, HASH_RXQ_FLOW_TYPE_ALLMULTI))
- return 0;
- for (i = 0; (i != priv->hash_rxqs_n); ++i) {
- struct hash_rxq *hash_rxq = &(*priv->hash_rxqs)[i];
- int ret;
-
- /* allmulticast not relevant for TCP. */
- if (hash_rxq->type == HASH_RXQ_TCPV4)
- continue;
- ret = hash_rxq_allmulticast_enable(hash_rxq);
- if (!ret)
- continue;
- /* Failure, rollback. */
- while (i != 0) {
- hash_rxq = &(*priv->hash_rxqs)[--i];
- hash_rxq_allmulticast_disable(hash_rxq);
- }
- return ret;
- }
- return 0;