diff --git a/net/core/dev.c b/net/core/dev.c index 6df3f1bcdc686e48fe8e92dbb2f4d9e9da9a728f..aae116d059da7fcb28cc220111f4b296dc67e0ae 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -3621,7 +3621,18 @@ int skb_csum_hwoffload_help(struct sk_buff *skb, return !!(features & NETIF_F_SCTP_CRC) ? 0 : skb_crc32c_csum_help(skb); - return !!(features & NETIF_F_CSUM_MASK) ? 0 : skb_checksum_help(skb); + if (features & NETIF_F_HW_CSUM) + return 0; + + if (features & (NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM)) { + switch (skb->csum_offset) { + case offsetof(struct tcphdr, check): + case offsetof(struct udphdr, check): + return 0; + } + } + + return skb_checksum_help(skb); } EXPORT_SYMBOL(skb_csum_hwoffload_help);