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authorFrédéric Perrin <fred@fperrin.net>2023-07-14 11:13:42 +0100
committerFan Zhang <fanzhang.oss@gmail.com>2023-09-07 08:07:51 +0000
commita4157aec1c7718226f0d4cee51c7a3feb57e6fc4 (patch)
tree3b8fb26098c99266c41ef5f32c58c757c2d5029b
parentc143cc8967c9e0471e0cb85bf847c6634deeda25 (diff)
ipsec: clear L4-cksum flags when decap'ing packets
Type: fix Signed-off-by: Frédéric Perrin <fred@fperrin.net> Change-Id: I45191b7316c88038bcd57d62aeb07bb109cf4a4d
-rw-r--r--src/vnet/ipsec/ah_decrypt.c2
-rw-r--r--src/vnet/ipsec/esp_decrypt.c4
2 files changed, 5 insertions, 1 deletions
diff --git a/src/vnet/ipsec/ah_decrypt.c b/src/vnet/ipsec/ah_decrypt.c
index f20f620eb3c..5f98693204a 100644
--- a/src/vnet/ipsec/ah_decrypt.c
+++ b/src/vnet/ipsec/ah_decrypt.c
@@ -325,6 +325,8 @@ ah_decrypt_inline (vlib_main_t * vm,
+ pd->icv_padding_len;
vlib_buffer_advance (b[0], pd->ip_hdr_size + ah_hdr_len);
b[0]->flags |= VLIB_BUFFER_TOTAL_LENGTH_VALID;
+ b[0]->flags &= ~(VNET_BUFFER_F_L4_CHECKSUM_COMPUTED |
+ VNET_BUFFER_F_L4_CHECKSUM_CORRECT);
if (PREDICT_TRUE (ipsec_sa_is_set_IS_TUNNEL (sa0)))
{ /* tunnel mode */
diff --git a/src/vnet/ipsec/esp_decrypt.c b/src/vnet/ipsec/esp_decrypt.c
index 2c1efa2f4be..74410a8add1 100644
--- a/src/vnet/ipsec/esp_decrypt.c
+++ b/src/vnet/ipsec/esp_decrypt.c
@@ -840,7 +840,9 @@ esp_decrypt_post_crypto (vlib_main_t *vm, vlib_node_runtime_t *node,
u16 adv = pd->iv_sz + esp_sz;
u16 tail = sizeof (esp_footer_t) + pad_length + icv_sz;
u16 tail_orig = sizeof (esp_footer_t) + pad_length + pd->icv_sz;
- b->flags &= ~VLIB_BUFFER_TOTAL_LENGTH_VALID;
+ b->flags &=
+ ~(VLIB_BUFFER_TOTAL_LENGTH_VALID | VNET_BUFFER_F_L4_CHECKSUM_COMPUTED |
+ VNET_BUFFER_F_L4_CHECKSUM_CORRECT);
if ((pd->flags & tun_flags) == 0 && !is_tun) /* transport mode */
{