[dpdk-dev] [PATCH] net/tap: fix the protocol field for non ip

[Vipin Varghese]

When non IP packets are sent on TUN interface, the logic put Ipv6 as
protocol field in header. With the current patch, the check is modified
for ipv4, ipv6 and non ip.

Fixes: 5a3efcfffd06 ("net/tap: add tun support")
Cc: vipin.vargh...@intel.com

Suggested-by: Ophir Munk <ophi...@mellanox.com>
Signed-off-by: Vipin Varghese <vipin.vargh...@intel.com>
---
 drivers/net/tap/rte_eth_tap.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/tap/rte_eth_tap.c b/drivers/net/tap/rte_eth_tap.c
index 915d937..66e026f 100644
--- a/drivers/net/tap/rte_eth_tap.c
+++ b/drivers/net/tap/rte_eth_tap.c
@@ -526,8 +526,8 @@ enum ioctl_mode {
                 */
                char *buff_data = rte_pktmbuf_mtod(seg, void *);
                j = (*buff_data & 0xf0);
-               if (j & (0x40 | 0x60))
-                       pi.proto = (j == 0x40) ? 0x0008 : 0xdd86;
+               pi.proto = (j == 0x40) ? 0x0008 :
+                               (j == 0x60) ? 0xdd86 : 0x00;
 
                iovecs[0].iov_base = &pi;
                iovecs[0].iov_len = sizeof(pi);
-- 
1.9.1