lwip/0136-fix-vlan-filter-bug.patch
zhengjiebing 521e00f6d1 fix vlan filter bug
(cherry picked from commit 74a719175a88a9baddeb25ae83337f0f483ff1b8)
2024-06-20 11:08:34 +08:00

26 lines
1.1 KiB
Diff

diff --git a/src/netif/ethernet.c b/src/netif/ethernet.c
index d0d68b3..5ba6d95 100644
--- a/src/netif/ethernet.c
+++ b/src/netif/ethernet.c
@@ -123,7 +123,9 @@ ethernet_input(struct pbuf *p, struct netif *netif)
goto free_and_return;
}
#if GAZELLE_ENABLE
- if (netif->vlan_enable && !(netif->txol_flags & RTE_ETH_RX_OFFLOAD_VLAN_FILTER) && VLAN_ID(vlan) != netif->vlan_tci) {
+ /* 1.if vlan mode is not enable, ignore VLAN packets.
+ 2.if vlan mode is enable, ignore packets not for our VLAN */
+ if (netif->vlan_enable == false || (netif->vlan_enable && VLAN_ID(vlan) != netif->vlan_tci)) {
goto free_and_return;
}
#endif
@@ -141,6 +143,9 @@ ethernet_input(struct pbuf *p, struct netif *netif)
}
#endif /* defined(LWIP_HOOK_VLAN_CHECK) || defined(ETHARP_VLAN_CHECK) || defined(ETHARP_VLAN_CHECK_FN) */
type = vlan->tpid;
+ } else if (netif->vlan_enable && !(netif->txol_flags & RTE_ETH_RX_OFFLOAD_VLAN_STRIP)) {
+ /* if vlan mode is enable but vlan strip offload is off, ignore packets without vlan info. */
+ goto free_and_return;
}
#endif /* ETHARP_SUPPORT_VLAN */