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mptcp: allow ADD_ADDR reissuance by userspace PMs

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This change allows userspace PM implementations to reissue ADD_ADDR
announcements (if necessary) based on their chosen policy.

Acked-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Kishen Maloor <kishen.maloor@intel.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Kishen Maloor 2022-05-02 13:52:37 -07:00 committed by Jakub Kicinski
parent 41b3c69bf9
commit 304ab97f4c
1 changed files with 10 additions and 2 deletions
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12
net/mptcp/pm_netlink.c
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@ -369,8 +369,16 @@ static bool mptcp_pm_alloc_anno_list(struct mptcp_sock *msk,
lockdep_assert_held(&msk->pm.lock);
if (mptcp_lookup_anno_list_by_saddr(msk, &entry->addr))
return false;
add_entry = mptcp_lookup_anno_list_by_saddr(msk, &entry->addr);
if (add_entry) {
if (mptcp_pm_is_kernel(msk))
return false;
sk_reset_timer(sk, &add_entry->add_timer,
jiffies + mptcp_get_add_addr_timeout(net));
return true;
}
add_entry = kmalloc(sizeof(*add_entry), GFP_ATOMIC);
if (!add_entry)