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mptcp: export local_address

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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@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: 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. Also some parts using 'local_address'
  are not in this version, that's OK, we don't need to do anything with
  them. ]
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 12:55:39 +02:00
committed by Greg Kroah-Hartman
parent 9b9a64ef9a
commit 44165604dd
2 changed files with 5 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files

9
net/mptcp/pm_netlink.c
View File

@@ -84,8 +84,7 @@ static bool address_zero(const struct mptcp_addr_info *addr)
return addresses_equal(addr, &zero, false);
}
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->port = 0;
addr->family = skc->skc_family;
@@ -120,7 +119,7 @@ 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, false))
return true;
}
@@ -533,8 +532,8 @@ 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;

1
net/mptcp/protocol.h
View File

@@ -372,6 +372,7 @@ void __mptcp_close_ssk(struct sock *sk, struct sock *ssk,
struct mptcp_subflow_context *subflow,
long timeout);
void mptcp_subflow_reset(struct sock *ssk);
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,