39 static inline __always_inline void match_policy(struct __sk_buff* skb, const bool ipv4) {  in match_policy()  argument
40     void* data = (void*)(long)skb->data;  in match_policy()
41     const void* data_end = (void*)(long)skb->data_end;  in match_policy()
51     uint64_t cookie = bpf_get_socket_cookie(skb);  in match_policy()
126     nomatch |= (skb->ifindex ^ existing_rule->ifindex);  in match_policy()
147             bpf_l3_csum_replace(skb, l2_header_size + IP4_OFFSET(check), htons(tos), htons(newTos),  in match_policy()
149             bpf_skb_store_bytes(skb, l2_header_size + IP4_OFFSET(tos), &newTos, sizeof(newTos), 0);  in match_policy()
153             bpf_skb_store_bytes(skb, l2_header_size, &new_first_be32, sizeof(__be32),  in match_policy()
192         nomatch |= (policy->ifindex ^ skb->ifindex);  in match_policy()
243         .ifindex = skb->ifindex,  in match_policy()
255         bpf_l3_csum_replace(skb, l2_header_size + IP4_OFFSET(check), htons(tos), htons(new_tos), 2);  in match_policy()
256         bpf_skb_store_bytes(skb, l2_header_size + IP4_OFFSET(tos), &new_tos, sizeof(new_tos), 0);  in match_policy()
259         bpf_skb_store_bytes(skb, l2_header_size, &new_first_be32, sizeof(__be32),  in match_policy()
267 (struct __sk_buff* skb) {
268     if (skb->pkt_type != PACKET_HOST) return TC_ACT_PIPE;
270     if (skb->protocol == htons(ETH_P_IP)) {
271         match_policy(skb, true);
272     } else if (skb->protocol == htons(ETH_P_IPV6)) {
273         match_policy(skb, false);