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-rw-r--r--include/net/tcp.h24
1 files changed, 17 insertions, 7 deletions
diff --git a/include/net/tcp.h b/include/net/tcp.h
index b9fc978fb2ca..70ca4a5e330a 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -1367,7 +1367,8 @@ static inline bool tcp_checksum_complete(struct sk_buff *skb)
__skb_checksum_complete(skb);
}
-bool tcp_add_backlog(struct sock *sk, struct sk_buff *skb);
+bool tcp_add_backlog(struct sock *sk, struct sk_buff *skb,
+ enum skb_drop_reason *reason);
#ifdef CONFIG_INET
void __sk_defer_free_flush(struct sock *sk);
@@ -1674,6 +1675,12 @@ tcp_md5_do_lookup(const struct sock *sk, int l3index,
return __tcp_md5_do_lookup(sk, l3index, addr, family);
}
+enum skb_drop_reason
+tcp_inbound_md5_hash(const struct sock *sk, const struct sk_buff *skb,
+ const void *saddr, const void *daddr,
+ int family, int dif, int sdif);
+
+
#define tcp_twsk_md5_key(twsk) ((twsk)->tw_md5_key)
#else
static inline struct tcp_md5sig_key *
@@ -1682,6 +1689,14 @@ tcp_md5_do_lookup(const struct sock *sk, int l3index,
{
return NULL;
}
+
+static inline enum skb_drop_reason
+tcp_inbound_md5_hash(const struct sock *sk, const struct sk_buff *skb,
+ const void *saddr, const void *daddr,
+ int family, int dif, int sdif)
+{
+ return SKB_NOT_DROPPED_YET;
+}
#define tcp_twsk_md5_key(twsk) NULL
#endif
@@ -1817,11 +1832,6 @@ static inline struct sk_buff *tcp_rtx_queue_tail(const struct sock *sk)
return skb_rb_last(&sk->tcp_rtx_queue);
}
-static inline struct sk_buff *tcp_write_queue_head(const struct sock *sk)
-{
- return skb_peek(&sk->sk_write_queue);
-}
-
static inline struct sk_buff *tcp_write_queue_tail(const struct sock *sk)
{
return skb_peek_tail(&sk->sk_write_queue);
@@ -2358,7 +2368,7 @@ static inline u32 tcp_timeout_init(struct sock *sk)
if (timeout <= 0)
timeout = TCP_TIMEOUT_INIT;
- return timeout;
+ return min_t(int, timeout, TCP_RTO_MAX);
}
static inline u32 tcp_rwnd_init_bpf(struct sock *sk)