path: root/include/net/tcp.h
diff options
Diffstat (limited to '')
1 files changed, 27 insertions, 0 deletions
diff --git a/include/net/tcp.h b/include/net/tcp.h
index 8f5cef67fd35..3600ae0f25c3 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -858,6 +858,21 @@ static inline void bpf_compute_data_end_sk_skb(struct sk_buff *skb)
TCP_SKB_CB(skb)->bpf.data_end = skb->data + skb_headlen(skb);
+static inline bool tcp_skb_bpf_ingress(const struct sk_buff *skb)
+ return TCP_SKB_CB(skb)->bpf.flags & BPF_F_INGRESS;
+static inline struct sock *tcp_skb_bpf_redirect_fetch(struct sk_buff *skb)
+ return TCP_SKB_CB(skb)->bpf.sk_redir;
+static inline void tcp_skb_bpf_redirect_clear(struct sk_buff *skb)
+ TCP_SKB_CB(skb)->bpf.sk_redir = NULL;
/* This is the variant of inet6_iif() that must be used by TCP,
* as TCP moves IP6CB into a different location in skb->cb[]
@@ -2064,6 +2079,18 @@ void tcp_cleanup_ulp(struct sock *sk);
__MODULE_INFO(alias, alias_userspace, name); \
__MODULE_INFO(alias, alias_tcp_ulp, "tcp-ulp-" name)
+struct sk_msg;
+struct sk_psock;
+int tcp_bpf_init(struct sock *sk);
+void tcp_bpf_reinit(struct sock *sk);
+int tcp_bpf_sendmsg_redir(struct sock *sk, struct sk_msg *msg, u32 bytes,
+ int flags);
+int tcp_bpf_recvmsg(struct sock *sk, struct msghdr *msg, size_t len,
+ int nonblock, int flags, int *addr_len);
+int __tcp_bpf_recvmsg(struct sock *sk, struct sk_psock *psock,
+ struct msghdr *msg, int len);
/* Call BPF_SOCK_OPS program that returns an int. If the return value
* is < 0, then the BPF op failed (for example if the loaded BPF
* program does not support the chosen operation or there is no BPF