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mptcp: export local_address

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commit dc886bce75 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@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>
Stable-dep-of: 6834097fc3 ("mptcp: pm: fix backup support in signal endpoints")
[ Conflicts in pm_netlink.c and protocol.h, because the context has
  changed in commit 4638de5aef ("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@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Geliang Tang
2024-08-09 11:09:13 +02:00
committed by Greg Kroah-Hartman
parent 2c978352ae
commit ffd0022770
2 changed files with 8 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files
net/mptcp/pm_netlink.c
+7 -8
View File
@@ -97,8 +97,7 @@ static bool address_zero(const struct mptcp_addr_info *addr)
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(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 (addresses_equal(&cur, saddr, saddr->port))
return true;
}
@@ -286,7 +285,7 @@ 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) {
@@ -693,7 +692,7 @@ int mptcp_pm_nl_mp_prio_send_ack(struct mptcp_sock *msk,
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 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 (addresses_equal(&msk_local, &skc_local, false))
return 0;
@@ -1388,7 +1387,7 @@ static int mptcp_nl_remove_id_zero_address(struct net *net,
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;
net/mptcp/protocol.h
+1
View File
@@ -583,6 +583,7 @@ void mptcp_subflow_send_ack(struct sock *ssk);
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,