From: Geliang Tang <geliang.tang@xxxxxxxx> commit dc886bce753cc2cf3c88ec5c7a6880a4e17d65ba upstream. Rename local_address() with "mptcp_" prefix and export it in protocol.h. This function will be re-used in the common PM code (pm.c) in the following commit. Signed-off-by: Geliang Tang <geliang.tang@xxxxxxxx> Reviewed-by: Matthieu Baerts <matthieu.baerts@xxxxxxxxxxxx> Signed-off-by: Matthieu Baerts <matthieu.baerts@xxxxxxxxxxxx> Reviewed-by: Larysa Zaremba <larysa.zaremba@xxxxxxxxx> Signed-off-by: Jakub Kicinski <kuba@xxxxxxxxxx> Stable-dep-of: 6834097fc38c ("mptcp: pm: fix backup support in signal endpoints") [ Conflicts in pm_netlink.c and protocol.h, because the context has changed in commit 4638de5aefe5 ("mptcp: handle local addrs announced by userspace PMs") which is not in this version. This commit is unrelated to this modification. ] Signed-off-by: Matthieu Baerts (NGI0) <matttbe@xxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- net/mptcp/pm_netlink.c | 15 +++++++-------- net/mptcp/protocol.h | 1 + 2 files changed, 8 insertions(+), 8 deletions(-) --- a/net/mptcp/pm_netlink.c +++ b/net/mptcp/pm_netlink.c @@ -97,8 +97,7 @@ static bool address_zero(const struct mp return addresses_equal(addr, &zero, true); } -static void local_address(const struct sock_common *skc, - struct mptcp_addr_info *addr) +void mptcp_local_address(const struct sock_common *skc, struct mptcp_addr_info *addr) { addr->family = skc->skc_family; addr->port = htons(skc->skc_num); @@ -133,7 +132,7 @@ static bool lookup_subflow_by_saddr(cons list_for_each_entry(subflow, list, node) { skc = (struct sock_common *)mptcp_subflow_tcp_sock(subflow); - local_address(skc, &cur); + mptcp_local_address(skc, &cur); if (addresses_equal(&cur, saddr, saddr->port)) return true; } @@ -286,7 +285,7 @@ bool mptcp_pm_sport_in_anno_list(struct struct mptcp_addr_info saddr; bool ret = false; - local_address((struct sock_common *)sk, &saddr); + mptcp_local_address((struct sock_common *)sk, &saddr); spin_lock_bh(&msk->pm.lock); list_for_each_entry(entry, &msk->pm.anno_list, list) { @@ -693,7 +692,7 @@ int mptcp_pm_nl_mp_prio_send_ack(struct struct sock *sk = (struct sock *)msk; struct mptcp_addr_info local; - local_address((struct sock_common *)ssk, &local); + mptcp_local_address((struct sock_common *)ssk, &local); if (!addresses_equal(&local, addr, addr->port)) continue; @@ -976,8 +975,8 @@ int mptcp_pm_nl_get_local_id(struct mptc /* The 0 ID mapping is defined by the first subflow, copied into the msk * addr */ - local_address((struct sock_common *)msk, &msk_local); - local_address((struct sock_common *)skc, &skc_local); + mptcp_local_address((struct sock_common *)msk, &msk_local); + mptcp_local_address((struct sock_common *)skc, &skc_local); if (addresses_equal(&msk_local, &skc_local, false)) return 0; @@ -1388,7 +1387,7 @@ static int mptcp_nl_remove_id_zero_addre if (list_empty(&msk->conn_list)) goto next; - local_address((struct sock_common *)msk, &msk_local); + mptcp_local_address((struct sock_common *)msk, &msk_local); if (!addresses_equal(&msk_local, addr, addr->port)) goto next; --- a/net/mptcp/protocol.h +++ b/net/mptcp/protocol.h @@ -583,6 +583,7 @@ void mptcp_subflow_send_ack(struct sock void mptcp_subflow_reset(struct sock *ssk); void mptcp_sock_graft(struct sock *sk, struct socket *parent); struct socket *__mptcp_nmpc_socket(const struct mptcp_sock *msk); +void mptcp_local_address(const struct sock_common *skc, struct mptcp_addr_info *addr); /* called with sk socket lock held */ int __mptcp_subflow_connect(struct sock *sk, const struct mptcp_addr_info *loc, Patches currently in stable-queue which might be from kroah.com@xxxxxxxxxxxxxxx are queue-5.15/mptcp-fix-nl-pm-announced-address-accounting.patch queue-5.15/mptcp-distinguish-rcv-vs-sent-backup-flag-in-requests.patch queue-5.15/mptcp-pm-fix-backup-support-in-signal-endpoints.patch queue-5.15/mptcp-mib-count-mpj-with-backup-flag.patch queue-5.15/selftests-mptcp-join-validate-backup-in-mpj.patch queue-5.15/mptcp-export-local_address.patch queue-5.15/mptcp-pm-only-set-request_bkup-flag-when-sending-mp_prio.patch queue-5.15/mptcp-fix-bad-rcvpruned-mib-accounting.patch