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From: Zoltan Kiss <zoltan.kiss@schaman.hu>
To: dev@dpdk.org
Cc: Zoltan Kiss <zoltan.kiss@schaman.hu>,
 Nicolas Pernas Maradei <nicolas.pernas.maradei@emutex.com>,
 Ferruh Yigit <ferruh.yigit@intel.com>
Date: Mon, 25 Jul 2016 14:10:40 +0100
Message-Id: <1469452240-1204-1-git-send-email-zoltan.kiss@schaman.hu>
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Subject: [dpdk-dev] net/pcap: set rte_errno on TX error
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This returns the error code provided by pcap_sendpacket()

Signed-off-by: Zoltan Kiss <zoltan.kiss@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);