Searched refs:l4csum_offset (Results 1 – 1 of 1) sorted by relevance
| /Linux-v4.19/net/netfilter/ |
| D | nft_payload.c | 192 unsigned int *l4csum_offset) in nft_payload_l4csum_offset() argument
196 *l4csum_offset = offsetof(struct tcphdr, check); in nft_payload_l4csum_offset()
203 *l4csum_offset = offsetof(struct udphdr, check); in nft_payload_l4csum_offset()
206 *l4csum_offset = offsetof(struct icmp6hdr, icmp6_cksum); in nft_payload_l4csum_offset()
212 *l4csum_offset += pkt->xt.thoff; in nft_payload_l4csum_offset()
220 int l4csum_offset; in nft_payload_l4csum_update() local
226 if (nft_payload_l4csum_offset(pkt, skb, &l4csum_offset) < 0) in nft_payload_l4csum_update()
229 if (skb_copy_bits(skb, l4csum_offset, &sum, sizeof(sum)) < 0) in nft_payload_l4csum_update()
246 if (!skb_make_writable(skb, l4csum_offset + sizeof(sum)) || in nft_payload_l4csum_update()
247 skb_store_bits(skb, l4csum_offset, &sum, sizeof(sum)) < 0) in nft_payload_l4csum_update()
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