net/bnxt: add initial Rx code

[dpdk.git] / drivers / net / bnxt / bnxt_rxq.c

diff --git a/drivers/net/bnxt/bnxt_rxq.c b/drivers/net/bnxt/bnxt_rxq.c
index 19c0e3f..eeda631 100644 (file)
--- a/drivers/net/bnxt/bnxt_rxq.c
+++ b/drivers/net/bnxt/bnxt_rxq.c
@@ -41,6 +41,7 @@
 #include "bnxt_hwrm.h"
 #include "bnxt_ring.h"
 #include "bnxt_rxq.h"
+#include "bnxt_rxr.h"
 #include "bnxt_vnic.h"
 #include "hsi_struct_def_dpdk.h"
 
@@ -216,7 +217,20 @@ err_out:
 
 static void bnxt_rx_queue_release_mbufs(struct bnxt_rx_queue *rxq __rte_unused)
 {
-       /* TODO: Requires interaction with TX ring */
+       struct bnxt_sw_rx_bd *sw_ring;
+       uint16_t i;
+
+       if (rxq) {
+               sw_ring = rxq->rx_ring->rx_buf_ring;
+               if (sw_ring) {
+                       for (i = 0; i < rxq->nb_rx_desc; i++) {
+                               if (sw_ring[i].mbuf) {
+                                       rte_pktmbuf_free_seg(sw_ring[i].mbuf);
+                                       sw_ring[i].mbuf = NULL;
+                               }
+                       }
+               }
+       }
 }
 
 void bnxt_free_rx_mbufs(struct bnxt *bp)
@@ -237,7 +251,13 @@ void bnxt_rx_queue_release_op(void *rx_queue)
        if (rxq) {
                bnxt_rx_queue_release_mbufs(rxq);
 
-               /* TODO: Free ring and stats here */
+               /* Free RX ring hardware descriptors */
+               bnxt_free_ring(rxq->rx_ring->rx_ring_struct);
+
+               /* Free RX completion ring hardware descriptors */
+               bnxt_free_ring(rxq->cp_ring->cp_ring_struct);
+
+               bnxt_free_rxq_stats(rxq);
 
                rte_free(rxq);
        }
@@ -274,7 +294,7 @@ int bnxt_rx_queue_setup_op(struct rte_eth_dev *eth_dev,
        rxq->nb_rx_desc = nb_desc;
        rxq->rx_free_thresh = rx_conf->rx_free_thresh;
 
-       /* TODO: Initialize ring structure */
+       bnxt_init_rx_ring_struct(rxq);
 
        rxq->queue_id = queue_idx;
        rxq->port_id = eth_dev->data->port_id;
@@ -282,7 +302,13 @@ int bnxt_rx_queue_setup_op(struct rte_eth_dev *eth_dev,
                                0 : ETHER_CRC_LEN);
 
        eth_dev->data->rx_queues[queue_idx] = rxq;
-       /* TODO: Allocate RX ring hardware descriptors */
+       /* Allocate RX ring hardware descriptors */
+       if (bnxt_alloc_rings(bp, queue_idx, NULL, rxq->rx_ring, rxq->cp_ring,
+                       "rxr")) {
+               RTE_LOG(ERR, PMD, "ring_dma_zone_reserve for rx_ring failed!");
+               bnxt_rx_queue_release_op(rxq);
+               return -ENOMEM;
+       }
 
        return 0;
 }