@@ -1635,6 +1635,8 @@ int mptcp_pm_nl_flush_addrs_doit(struct sk_buff *skb, struct genl_info *info)
mptcp_nl_remove_addrs_list(sock_net(skb->sk), &free_list);
synchronize_rcu();
__flush_addrs(&free_list);
+
+ mptcp_userspace_pm_flush_addrs_list(sock_net(skb->sk));
return 0;
}
@@ -20,6 +20,8 @@ void mptcp_userspace_pm_free_local_addr_list(struct mptcp_sock *msk)
list_splice_init(&msk->pm.userspace_pm_local_addr_list, &free_list);
spin_unlock_bh(&msk->pm.lock);
+ mptcp_pm_remove_addrs_and_subflows(msk, &free_list);
+
list_for_each_entry_safe(entry, tmp, &free_list, list) {
sock_kfree_s(sk, entry, sizeof(*entry));
}
@@ -558,3 +560,27 @@ int mptcp_userspace_pm_set_flags(struct net *net, struct nlattr *token,
sock_put(sk);
return ret;
}
+
+void mptcp_userspace_pm_flush_addrs_list(struct net *net)
+{
+ long s_slot = 0, s_num = 0;
+ struct mptcp_sock *msk;
+
+ while ((msk = mptcp_token_iter_next(net, &s_slot, &s_num)) != NULL) {
+ struct sock *sk = (struct sock *)msk;
+ unsigned long *id_bitmap;
+
+ if (mptcp_pm_is_userspace(msk)) {
+ lock_sock(sk);
+ mptcp_pm_pernet_lock(msk);
+ id_bitmap = mptcp_pm_get_id_bitmap(msk);
+ bitmap_zero(id_bitmap, MPTCP_PM_MAX_ADDR_ID + 1);
+ mptcp_pm_pernet_unlock(msk);
+ mptcp_userspace_pm_free_local_addr_list(msk);
+ release_sock(sk);
+ }
+
+ sock_put(sk);
+ cond_resched();
+ }
+}
@@ -944,6 +944,7 @@ void mptcp_pm_remove_addrs_and_subflows(struct mptcp_sock *msk,
struct list_head *rm_list);
void mptcp_userspace_pm_free_local_addr_list(struct mptcp_sock *msk);
+void mptcp_userspace_pm_flush_addrs_list(struct net *net);
void mptcp_event(enum mptcp_event_type type, const struct mptcp_sock *msk,
const struct sock *ssk, gfp_t gfp);
This patch adds a new function mptcp_userspace_pm_flush_addrs_list() to free the userspace local addresses list. Invoke it when flushing addresses from netlink commands. Signed-off-by: Geliang Tang <geliang.tang@suse.com> --- net/mptcp/pm_netlink.c | 2 ++ net/mptcp/pm_userspace.c | 26 ++++++++++++++++++++++++++ net/mptcp/protocol.h | 1 + 3 files changed, 29 insertions(+)