Commit 65b02260 authored by Matthieu Baerts (NGI0)'s avatar Matthieu Baerts (NGI0) Committed by Jakub Kicinski
Browse files

mptcp: export mptcp_subflow_early_fallback() 



This helper will be used outside protocol.h in the following commit.

While at it, also add a 'pr_fallback()' debug print, to help identifying
fallbacks.

Signed-off-by: default avatarMatthieu Baerts (NGI0) <matttbe@kernel.org>
Link: https://patch.msgid.link/20240909-net-next-mptcp-fallback-x-mpc-v1-1-da7ebb4cd2a3@kernel.org


Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parent 8b5d2e5c

net/mptcp/protocol.c

+0 −7
Original line number Diff line number Diff line
@@ -3717,13 +3717,6 @@ static int mptcp_ioctl(struct sock *sk, int cmd, int *karg) 
	return 0;

}



static void mptcp_subflow_early_fallback(struct mptcp_sock *msk,

					 struct mptcp_subflow_context *subflow)

{

	subflow->request_mptcp = 0;

	__mptcp_do_fallback(msk);

}



static int mptcp_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len)

{

	struct mptcp_subflow_context *subflow;

net/mptcp/protocol.h

+8 −0
Original line number Diff line number Diff line
@@ -1215,6 +1215,14 @@ static inline void mptcp_do_fallback(struct sock *ssk) 


#define pr_fallback(a) pr_debug("%s:fallback to TCP (msk=%p)\n", __func__, a)



static inline void mptcp_subflow_early_fallback(struct mptcp_sock *msk,

						struct mptcp_subflow_context *subflow)

{

	pr_fallback(msk);

	subflow->request_mptcp = 0;

	__mptcp_do_fallback(msk);

}



static inline bool mptcp_check_infinite_map(struct sk_buff *skb)

{

	struct mptcp_ext *mpext;