mbufs where not properly released when they are chained.

Fixes: b812daadad0d ("nfp: add Rx and Tx")

Signed-off-by: Alejandro Lucero <alejandro.lucero at netronome.com>
---
 drivers/net/nfp/nfp_net.c | 21 ++++++++++-----------
 1 file changed, 10 insertions(+), 11 deletions(-)

diff --git a/drivers/net/nfp/nfp_net.c b/drivers/net/nfp/nfp_net.c
index 559ebe6..1259d2c 100644
--- a/drivers/net/nfp/nfp_net.c
+++ b/drivers/net/nfp/nfp_net.c
@@ -323,7 +323,7 @@ nfp_net_tx_queue_release_mbufs(struct nfp_net_txq *txq)

        for (i = 0; i < txq->tx_count; i++) {
                if (txq->txbufs[i].mbuf) {
-                       rte_pktmbuf_free_seg(txq->txbufs[i].mbuf);
+                       rte_pktmbuf_free(txq->txbufs[i].mbuf);
                        txq->txbufs[i].mbuf = NULL;
                }
        }
@@ -1976,11 +1976,16 @@ nfp_net_xmit_pkts(void *tx_queue, struct rte_mbuf 
**tx_pkts, uint16_t nb_pkts)
                 */
                pkt_size = pkt->pkt_len;

-               while (pkt_size) {
-                       /* Releasing mbuf which was prefetched above */
-                       if (*lmbuf)
-                               rte_pktmbuf_free_seg(*lmbuf);
+               /* Releasing mbuf which was prefetched above */
+               if (*lmbuf)
+                       rte_pktmbuf_free(*lmbuf);
+               /*
+                * Linking mbuf with descriptor for being released
+                * next time descriptor is used
+                */
+               *lmbuf = pkt;

+               while (pkt_size) {
                        dma_size = pkt->data_len;
                        dma_addr = rte_mbuf_data_dma_addr(pkt);
                        PMD_TX_LOG(DEBUG, "Working with mbuf at dma address:"
@@ -1994,12 +1999,6 @@ nfp_net_xmit_pkts(void *tx_queue, struct rte_mbuf 
**tx_pkts, uint16_t nb_pkts)
                        ASSERT(free_descs > 0);
                        free_descs--;

-                       /*
-                        * Linking mbuf with descriptor for being released
-                        * next time descriptor is used
-                        */
-                       *lmbuf = pkt;
-
                        txq->wr_p++;
                        txq->tail++;
                        if (unlikely(txq->tail == txq->tx_count)) /* wrapping?*/
-- 
1.9.1

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