ctx->eth_ip_hdr_size = skb_checksum_start_offset(skb);
if (ctx->ipv4) {
- struct iphdr *iph = (struct iphdr *)
- skb_network_header(skb);
+ const struct iphdr *iph = ip_hdr(skb);
+
if (iph->protocol == IPPROTO_TCP)
- ctx->l4_hdr_size = ((struct tcphdr *)
- skb_transport_header(skb))->doff * 4;
+ ctx->l4_hdr_size = tcp_hdrlen(skb);
else if (iph->protocol == IPPROTO_UDP)
- /*
- * Use tcp header size so that bytes to
- * be copied are more than required by
- * the device.
- */
- ctx->l4_hdr_size = sizeof(struct tcphdr);
- ctx->l4_hdr_size =
- sizeof(struct udphdr);
++ ctx->l4_hdr_size = sizeof(struct udphdr);
else
ctx->l4_hdr_size = 0;
} else {