net/core/filter.c

6635 static struct sock *sk_lookup(struct net *net, struct bpf_sock_tuple *tuple,
6643 		__be32 src4 = tuple->ipv4.saddr;
6644 		__be32 dst4 = tuple->ipv4.daddr;
6648 					   src4, tuple->ipv4.sport,
6649 					   dst4, tuple->ipv4.dport,
6652 			sk = __udp4_lib_lookup(net, src4, tuple->ipv4.sport,
6653 					       dst4, tuple->ipv4.dport,
6657 		struct in6_addr *src6 = (struct in6_addr *)&tuple->ipv6.saddr;
6658 		struct in6_addr *dst6 = (struct in6_addr *)&tuple->ipv6.daddr;
6662 					    src6, tuple->ipv6.sport,
6663 					    dst6, ntohs(tuple->ipv6.dport),
6667 							    src6, tuple->ipv6.sport,
6668 							    dst6, tuple->ipv6.dport,
6685 __bpf_skc_lookup(struct sk_buff *skb, struct bpf_sock_tuple *tuple, u32 len,
6693 	if (len == sizeof(tuple->ipv4))
6695 	else if (len == sizeof(tuple->ipv6))
6712 		sk = sk_lookup(net, tuple, ifindex, sdif, family, proto);
6717 		sk = sk_lookup(net, tuple, ifindex, sdif, family, proto);
6726 __bpf_sk_lookup(struct sk_buff *skb, struct bpf_sock_tuple *tuple, u32 len,
6730 	struct sock *sk = __bpf_skc_lookup(skb, tuple, len, caller_net,
6757 bpf_skc_lookup(struct sk_buff *skb, struct bpf_sock_tuple *tuple, u32 len,
6771 	return __bpf_skc_lookup(skb, tuple, len, caller_net, ifindex, proto,
6776 bpf_sk_lookup(struct sk_buff *skb, struct bpf_sock_tuple *tuple, u32 len,
6779 	struct sock *sk = bpf_skc_lookup(skb, tuple, len, proto, netns_id,
6805 	   struct bpf_sock_tuple *, tuple, u32, len, u64, netns_id, u64, flags)
6807 	return (unsigned long)bpf_skc_lookup(skb, tuple, len, IPPROTO_TCP,
6824 	   struct bpf_sock_tuple *, tuple, u32, len, u64, netns_id, u64, flags)
6826 	return (unsigned long)bpf_sk_lookup(skb, tuple, len, IPPROTO_TCP,
6843 	   struct bpf_sock_tuple *, tuple, u32, len, u64, netns_id, u64, flags)
6845 	return (unsigned long)bpf_sk_lookup(skb, tuple, len, IPPROTO_UDP,
6862 	   struct bpf_sock_tuple *, tuple, u32, len, u64, netns_id, u64, flags)
6868 	return (unsigned long)__bpf_skc_lookup(skb, tuple, len, caller_net,
6886 	   struct bpf_sock_tuple *, tuple, u32, len, u64, netns_id, u64, flags)
6892 	return (unsigned long)__bpf_sk_lookup(skb, tuple, len, caller_net,
6910 	   struct bpf_sock_tuple *, tuple, u32, len, u64, netns_id, u64, flags)
6916 	return (unsigned long)__bpf_sk_lookup(skb, tuple, len, caller_net,
6948 	   struct bpf_sock_tuple *, tuple, u32, len, u32, netns_id, u64, flags)
6954 	return (unsigned long)__bpf_sk_lookup(NULL, tuple, len, caller_net,
6972 	   struct bpf_sock_tuple *, tuple, u32, len, u32, netns_id, u64, flags)
6978 	return (unsigned long)__bpf_skc_lookup(NULL, tuple, len, caller_net,
6996 	   struct bpf_sock_tuple *, tuple, u32, len, u32, netns_id, u64, flags)
7002 	return (unsigned long)__bpf_sk_lookup(NULL, tuple, len, caller_net,
7020 	   struct bpf_sock_tuple *, tuple, u32, len, u64, netns_id, u64, flags)
7022 	return (unsigned long)__bpf_skc_lookup(NULL, tuple, len,
7040 	   struct bpf_sock_tuple *, tuple, u32, len, u64, netns_id, u64, flags)
7042 	return (unsigned long)__bpf_sk_lookup(NULL, tuple, len,
7059 	   struct bpf_sock_tuple *, tuple, u32, len, u64, netns_id, u64, flags)
7061 	return (unsigned long)__bpf_sk_lookup(NULL, tuple, len,