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: Matthieu 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: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Matthieu Baerts (NGI0) 2024-09-09 22:09:21 +02:00 committed by Jakub Kicinski
parent 8b5d2e5cf0
commit 65b02260a0
2 changed files with 8 additions and 7 deletions

View File

@ -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;

View File

@ -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;