From: Xin Long lucien.xin@gmail.com
[ Upstream commit 609d29a9d2429a840a2f1f44e77b71d58e3e9a33 ]
Using skb_csum_is_sctp is a easier way to validate it's a SCTP CRC checksum offload packet, and yet it also makes igc support SCTP CRC checksum offload for UDP and GRE encapped packets, just as it does in igb driver.
Signed-off-by: Xin Long lucien.xin@gmail.com Reviewed-by: Alexander Duyck alexanderduyck@fb.com Signed-off-by: Jakub Kicinski kuba@kernel.org Stable-dep-of: db0b124f02ba ("igc: Enhance Qbv scheduling by using first flag bit") Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/net/ethernet/intel/igc/igc_main.c | 14 +------------- 1 file changed, 1 insertion(+), 13 deletions(-)
diff --git a/drivers/net/ethernet/intel/igc/igc_main.c b/drivers/net/ethernet/intel/igc/igc_main.c index e7ffe63925fd..f438cdf83e55 100644 --- a/drivers/net/ethernet/intel/igc/igc_main.c +++ b/drivers/net/ethernet/intel/igc/igc_main.c @@ -954,15 +954,6 @@ static void igc_tx_ctxtdesc(struct igc_ring *tx_ring, } }
-static inline bool igc_ipv6_csum_is_sctp(struct sk_buff *skb) -{ - unsigned int offset = 0; - - ipv6_find_hdr(skb, &offset, IPPROTO_SCTP, NULL, NULL); - - return offset == skb_checksum_start_offset(skb); -} - static void igc_tx_csum(struct igc_ring *tx_ring, struct igc_tx_buffer *first) { struct sk_buff *skb = first->skb; @@ -985,10 +976,7 @@ static void igc_tx_csum(struct igc_ring *tx_ring, struct igc_tx_buffer *first) break; case offsetof(struct sctphdr, checksum): /* validate that this is actually an SCTP request */ - if ((first->protocol == htons(ETH_P_IP) && - (ip_hdr(skb)->protocol == IPPROTO_SCTP)) || - (first->protocol == htons(ETH_P_IPV6) && - igc_ipv6_csum_is_sctp(skb))) { + if (skb_csum_is_sctp(skb)) { type_tucmd = IGC_ADVTXD_TUCMD_L4T_SCTP; break; }