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-rw-r--r--include/linux/tcp.h3
-rw-r--r--include/net/mptcp.h17
2 files changed, 13 insertions, 7 deletions
diff --git a/include/linux/tcp.h b/include/linux/tcp.h
index e60db06ec28d..bf44e85d709d 100644
--- a/include/linux/tcp.h
+++ b/include/linux/tcp.h
@@ -120,6 +120,9 @@ struct tcp_request_sock {
u64 snt_synack; /* first SYNACK sent time */
bool tfo_listener;
bool is_mptcp;
+#if IS_ENABLED(CONFIG_MPTCP)
+ bool drop_req;
+#endif
u32 txhash;
u32 rcv_isn;
u32 snt_isn;
diff --git a/include/net/mptcp.h b/include/net/mptcp.h
index e60275659de6..c4a6ef4ba35b 100644
--- a/include/net/mptcp.h
+++ b/include/net/mptcp.h
@@ -68,6 +68,11 @@ static inline bool rsk_is_mptcp(const struct request_sock *req)
return tcp_rsk(req)->is_mptcp;
}
+static inline bool rsk_drop_req(const struct request_sock *req)
+{
+ return tcp_rsk(req)->is_mptcp && tcp_rsk(req)->drop_req;
+}
+
void mptcp_space(const struct sock *ssk, int *space, int *full_space);
bool mptcp_syn_options(struct sock *sk, const struct sk_buff *skb,
unsigned int *size, struct mptcp_out_options *opts);
@@ -121,8 +126,6 @@ static inline bool mptcp_skb_can_collapse(const struct sk_buff *to,
skb_ext_find(from, SKB_EXT_MPTCP));
}
-bool mptcp_sk_is_subflow(const struct sock *sk);
-
void mptcp_seq_show(struct seq_file *seq);
#else
@@ -140,6 +143,11 @@ static inline bool rsk_is_mptcp(const struct request_sock *req)
return false;
}
+static inline bool rsk_drop_req(const struct request_sock *req)
+{
+ return false;
+}
+
static inline void mptcp_parse_option(const struct sk_buff *skb,
const unsigned char *ptr, int opsize,
struct tcp_options_received *opt_rx)
@@ -190,11 +198,6 @@ static inline bool mptcp_skb_can_collapse(const struct sk_buff *to,
return true;
}
-static inline bool mptcp_sk_is_subflow(const struct sock *sk)
-{
- return false;
-}
-
static inline void mptcp_space(const struct sock *ssk, int *s, int *fs) { }
static inline void mptcp_seq_show(struct seq_file *seq) { }
#endif /* CONFIG_MPTCP */