diff options
| author | Xin Long <lucien.xin@gmail.com> | 2021-01-16 14:13:40 +0800 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2021-01-19 14:31:25 -0800 |
| commit | 609d29a9d2429a840a2f1f44e77b71d58e3e9a33 (patch) | |
| tree | 48e24b66ef46b31568495b6fece308de93ee24a5 /drivers/net/ethernet/intel/igc/igc_main.c | |
| parent | d2de44443cafa16f6c8c6e724632d57097991f55 (diff) | |
| download | lwn-609d29a9d2429a840a2f1f44e77b71d58e3e9a33.tar.gz lwn-609d29a9d2429a840a2f1f44e77b71d58e3e9a33.zip | |
net: igc: use skb_csum_is_sctp instead of protocol check
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>
Diffstat (limited to 'drivers/net/ethernet/intel/igc/igc_main.c')
| -rw-r--r-- | drivers/net/ethernet/intel/igc/igc_main.c | 14 |
1 files changed, 1 insertions, 13 deletions
diff --git a/drivers/net/ethernet/intel/igc/igc_main.c b/drivers/net/ethernet/intel/igc/igc_main.c index afd6a62da29d..43aec42e6d9d 100644 --- a/drivers/net/ethernet/intel/igc/igc_main.c +++ b/drivers/net/ethernet/intel/igc/igc_main.c @@ -949,15 +949,6 @@ 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; @@ -980,10 +971,7 @@ csum_failed: 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; } |