[dpdk-dev] net/pcap: set rte_errno on TX error

[Zoltan Kiss]

This returns the error code provided by pcap_sendpacket()

Signed-off-by: Zoltan Kiss <zoltan.kiss at schaman.hu>

diff --git a/drivers/net/pcap/rte_eth_pcap.c b/drivers/net/pcap/rte_eth_pcap.c
index 7e213eb..0899bac 100644
--- a/drivers/net/pcap/rte_eth_pcap.c
+++ b/drivers/net/pcap/rte_eth_pcap.c
@@ -41,6 +41,7 @@
 #include <rte_cycles.h>
 #include <rte_kvargs.h>
 #include <rte_dev.h>
+#include <rte_errno.h>

 #include <net/if.h>

@@ -360,8 +361,10 @@ eth_pcap_tx(void *queue,
                        }
                }

-               if (unlikely(ret != 0))
+               if (unlikely(ret != 0)) {
+                       rte_errno = ret;
                        break;
+               }
                num_tx++;
                tx_bytes += mbuf->pkt_len;
                rte_pktmbuf_free(mbuf);