From: Manish Chopra manishc@marvell.com
[ Upstream commit 5d5647dad259bb416fd5d3d87012760386d97530 ]
IPIP tunnels packets are unknown to device, hence these packets are incorrectly parsed and caused the packet corruption, so disable offlods for such packets at run time.
Signed-off-by: Manish Chopra manishc@marvell.com Signed-off-by: Sudarsana Kalluru skalluru@marvell.com Signed-off-by: Igor Russkikh irusskikh@marvell.com Link: https://lore.kernel.org/r/20201221145530.7771-1-manishc@marvell.com Signed-off-by: Jakub Kicinski kuba@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/net/ethernet/qlogic/qede/qede_fp.c | 5 +++++ 1 file changed, 5 insertions(+)
diff --git a/drivers/net/ethernet/qlogic/qede/qede_fp.c b/drivers/net/ethernet/qlogic/qede/qede_fp.c index a96da16f34049..1976279800cd8 100644 --- a/drivers/net/ethernet/qlogic/qede/qede_fp.c +++ b/drivers/net/ethernet/qlogic/qede/qede_fp.c @@ -1747,6 +1747,11 @@ netdev_features_t qede_features_check(struct sk_buff *skb, ntohs(udp_hdr(skb)->dest) != gnv_port)) return features & ~(NETIF_F_CSUM_MASK | NETIF_F_GSO_MASK); + } else if (l4_proto == IPPROTO_IPIP) { + /* IPIP tunnels are unknown to the device or at least unsupported natively, + * offloads for them can't be done trivially, so disable them for such skb. + */ + return features & ~(NETIF_F_CSUM_MASK | NETIF_F_GSO_MASK); } }