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authorGeliang Tang <geliangtang@xiaomi.com>2021-08-25 01:26:16 +0200
committerDavid S. Miller <davem@davemloft.net>2021-08-25 12:02:34 +0200
commit5580d41b758af12134d5c6b4c385fc25d0c6bfb0 (patch)
tree65118b49118bf677e80f987cf0d03ca3e9fab994 /net/mptcp/pm.c
parentmptcp: MP_FAIL suboption sending (diff)
downloadlinux-5580d41b758af12134d5c6b4c385fc25d0c6bfb0.tar.xz
linux-5580d41b758af12134d5c6b4c385fc25d0c6bfb0.zip
mptcp: MP_FAIL suboption receiving
This patch added handling for receiving MP_FAIL suboption. Add a new members mp_fail and fail_seq in struct mptcp_options_received. When MP_FAIL suboption is received, set mp_fail to 1 and save the sequence number to fail_seq. Then invoke mptcp_pm_mp_fail_received to deal with the MP_FAIL suboption. Signed-off-by: Geliang Tang <geliangtang@xiaomi.com> Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/mptcp/pm.c')
-rw-r--r--net/mptcp/pm.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/net/mptcp/pm.c b/net/mptcp/pm.c
index da0c4c925350..6ab386ff3294 100644
--- a/net/mptcp/pm.c
+++ b/net/mptcp/pm.c
@@ -249,6 +249,11 @@ void mptcp_pm_mp_prio_received(struct sock *sk, u8 bkup)
mptcp_event(MPTCP_EVENT_SUB_PRIORITY, mptcp_sk(subflow->conn), sk, GFP_ATOMIC);
}
+void mptcp_pm_mp_fail_received(struct sock *sk, u64 fail_seq)
+{
+ pr_debug("fail_seq=%llu", fail_seq);
+}
+
/* path manager helpers */
bool mptcp_pm_add_addr_signal(struct mptcp_sock *msk, struct sk_buff *skb,