From dc886bce753cc2cf3c88ec5c7a6880a4e17d65ba Mon Sep 17 00:00:00 2001
From: Geliang Tang <geliang.tang@suse.com>
Date: Thu, 8 Jun 2023 15:20:49 +0200
Subject: [PATCH] mptcp: export local_address
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@suse.com>
Reviewed-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Signed-off-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Reviewed-by: Larysa Zaremba <larysa.zaremba@intel.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
net/mptcp/pm_netlink.c | 17 ++++++++---------
net/mptcp/protocol.h | 1 +
2 files changed, 9 insertions(+), 9 deletions(-)
diff --git a/net/mptcp/pm_netlink.c b/net/mptcp/pm_netlink.c
index 59f8f31248556..0bf09c45febd0 100644
--- a/net/mptcp/pm_netlink.c
+++ b/net/mptcp/pm_netlink.c
@@ -86,8 +86,7 @@ bool mptcp_addresses_equal(const struct mptcp_addr_info *a,
return a->port == b->port;
}
-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);
@@ -122,7 +121,7 @@ static bool lookup_subflow_by_saddr(const struct list_head *list,
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 (mptcp_addresses_equal(&cur, saddr, saddr->port))
return true;
}
@@ -263,7 +262,7 @@ bool mptcp_pm_sport_in_anno_list(struct mptcp_sock *msk, const struct sock *sk)
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) {
@@ -541,7 +540,7 @@ static void mptcp_pm_create_subflow_or_signal_addr(struct mptcp_sock *msk)
struct mptcp_addr_info mpc_addr;
bool backup = false;
- local_address((struct sock_common *)msk->first, &mpc_addr);
+ mptcp_local_address((struct sock_common *)msk->first, &mpc_addr);
rcu_read_lock();
entry = __lookup_addr(pernet, &mpc_addr, false);
if (entry) {
@@ -752,7 +751,7 @@ int mptcp_pm_nl_mp_prio_send_ack(struct mptcp_sock *msk,
struct sock *ssk = mptcp_subflow_tcp_sock(subflow);
struct mptcp_addr_info local, remote;
- local_address((struct sock_common *)ssk, &local);
+ mptcp_local_address((struct sock_common *)ssk, &local);
if (!mptcp_addresses_equal(&local, addr, addr->port))
continue;
@@ -1070,8 +1069,8 @@ int mptcp_pm_nl_get_local_id(struct mptcp_sock *msk, struct sock_common *skc)
/* 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 (mptcp_addresses_equal(&msk_local, &skc_local, false))
return 0;
@@ -1491,7 +1490,7 @@ static int mptcp_nl_remove_id_zero_address(struct net *net,
if (list_empty(&msk->conn_list) || mptcp_pm_is_userspace(msk))
goto next;
- local_address((struct sock_common *)msk, &msk_local);
+ mptcp_local_address((struct sock_common *)msk, &msk_local);
if (!mptcp_addresses_equal(&msk_local, addr, addr->port))
goto next;
diff --git a/net/mptcp/protocol.h b/net/mptcp/protocol.h
index 70c957bc56a8e..3580c7fc39c3c 100644
--- a/net/mptcp/protocol.h
+++ b/net/mptcp/protocol.h
@@ -638,6 +638,7 @@ void mptcp_set_owner_r(struct sk_buff *skb, struct sock *sk);
bool mptcp_addresses_equal(const struct mptcp_addr_info *a,
const struct mptcp_addr_info *b, bool use_port);
+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,
--
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