net/af_packet: remove queue number limitation
[dpdk.git] / drivers / net / af_packet / rte_eth_af_packet.c
index ae3c25f..22feb72 100644 (file)
@@ -38,8 +38,6 @@
 #define DFLT_FRAME_SIZE                (1 << 11)
 #define DFLT_FRAME_COUNT       (1 << 9)
 
-#define RTE_PMD_AF_PACKET_MAX_RINGS 16
-
 struct pkt_rx_queue {
        int sockfd;
 
@@ -78,8 +76,8 @@ struct pmd_internals {
 
        struct tpacket_req req;
 
-       struct pkt_rx_queue rx_queue[RTE_PMD_AF_PACKET_MAX_RINGS];
-       struct pkt_tx_queue tx_queue[RTE_PMD_AF_PACKET_MAX_RINGS];
+       struct pkt_rx_queue *rx_queue;
+       struct pkt_tx_queue *tx_queue;
 };
 
 static const char *valid_arguments[] = {
@@ -629,6 +627,21 @@ rte_pmd_init_internals(struct rte_vdev_device *dev,
        if (*internals == NULL)
                return -1;
 
+
+       (*internals)->rx_queue = rte_calloc_socket("af_packet_rx",
+                                               nb_queues,
+                                               sizeof(struct pkt_rx_queue),
+                                               0, numa_node);
+       (*internals)->tx_queue = rte_calloc_socket("af_packet_tx",
+                                               nb_queues,
+                                               sizeof(struct pkt_tx_queue),
+                                               0, numa_node);
+       if (!(*internals)->rx_queue || !(*internals)->tx_queue) {
+               rte_free((*internals)->rx_queue);
+               rte_free((*internals)->tx_queue);
+               return -1;
+       }
+
        for (q = 0; q < nb_queues; q++) {
                (*internals)->rx_queue[q].map = MAP_FAILED;
                (*internals)->tx_queue[q].map = MAP_FAILED;
@@ -874,8 +887,7 @@ rte_eth_from_packet(struct rte_vdev_device *dev,
                pair = &kvlist->pairs[k_idx];
                if (strstr(pair->key, ETH_AF_PACKET_NUM_Q_ARG) != NULL) {
                        qpairs = atoi(pair->value);
-                       if (qpairs < 1 ||
-                           qpairs > RTE_PMD_AF_PACKET_MAX_RINGS) {
+                       if (qpairs < 1) {
                                PMD_LOG(ERR,
                                        "%s: invalid qpairs value",
                                        name);
@@ -1047,6 +1059,8 @@ rte_pmd_af_packet_remove(struct rte_vdev_device *dev)
                rte_free(internals->tx_queue[q].rd);
        }
        free(internals->if_name);
+       rte_free(internals->rx_queue);
+       rte_free(internals->tx_queue);
 
        rte_eth_dev_release_port(eth_dev);