[dpdk-dev] [PATCH v2 1/9] examples/ipsec-secgw: fix esp padding check

[Sergio Gonzalez Monroy]

Current code fails to correctly check padding sequence for inbound
packets.
Padding sequence starts on 1 but it checks for 0.

Fixes: d299106e8e31 ("examples/ipsec-secgw: add IPsec sample application")

Signed-off-by: Sergio Gonzalez Monroy <sergio.gonzalez.monroy at intel.com>
---
 examples/ipsec-secgw/esp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/examples/ipsec-secgw/esp.c b/examples/ipsec-secgw/esp.c
index 0f6b33e..7dce78c 100644
--- a/examples/ipsec-secgw/esp.c
+++ b/examples/ipsec-secgw/esp.c
@@ -139,7 +139,7 @@ esp4_tunnel_inbound_post_crypto(struct rte_mbuf *m, struct 
ipsec_sa *sa,

        padding = pad_len - *pad_len;
        for (i = 0; i < *pad_len; i++) {
-               if (padding[i] != i) {
+               if (padding[i] != i + 1) {
                        RTE_LOG(ERR, IPSEC_ESP, "invalid pad_len field\n");
                        return -EINVAL;
                }
-- 
2.5.5