Searched refs:l4csum_offset (Results 1 – 1 of 1) sorted by relevance
| /Linux-v5.15/net/netfilter/ |
| D | nft_payload.c | 503 unsigned int *l4csum_offset) in nft_payload_l4csum_offset() argument
507 *l4csum_offset = offsetof(struct tcphdr, check); in nft_payload_l4csum_offset()
514 *l4csum_offset = offsetof(struct udphdr, check); in nft_payload_l4csum_offset()
517 *l4csum_offset = offsetof(struct icmp6hdr, icmp6_cksum); in nft_payload_l4csum_offset()
523 *l4csum_offset += nft_thoff(pkt); in nft_payload_l4csum_offset()
544 int l4csum_offset; in nft_payload_l4csum_update() local
550 if (nft_payload_l4csum_offset(pkt, skb, &l4csum_offset) < 0) in nft_payload_l4csum_update()
553 if (skb_copy_bits(skb, l4csum_offset, &sum, sizeof(sum)) < 0) in nft_payload_l4csum_update()
570 if (skb_ensure_writable(skb, l4csum_offset + sizeof(sum)) || in nft_payload_l4csum_update()
571 skb_store_bits(skb, l4csum_offset, &sum, sizeof(sum)) < 0) in nft_payload_l4csum_update()
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