diff options
| -rw-r--r-- | net/mptcp/pm.c | 6 | ||||
| -rw-r--r-- | net/mptcp/pm_netlink.c | 42 | ||||
| -rw-r--r-- | net/mptcp/protocol.h | 5 |
3 files changed, 31 insertions, 22 deletions
diff --git a/net/mptcp/pm.c b/net/mptcp/pm.c index a47436205d88..4cfd80f90003 100644 --- a/net/mptcp/pm.c +++ b/net/mptcp/pm.c @@ -56,12 +56,12 @@ int mptcp_pm_remove_addr(struct mptcp_sock *msk, const struct mptcp_rm_list *rm_ return 0; } -int mptcp_pm_remove_subflow(struct mptcp_sock *msk, u8 local_id) +int mptcp_pm_remove_subflow(struct mptcp_sock *msk, const struct mptcp_rm_list *rm_list) { - pr_debug("msk=%p, local_id=%d", msk, local_id); + pr_debug("msk=%p, rm_list_nr=%d", msk, rm_list->nr); spin_lock_bh(&msk->pm.lock); - mptcp_pm_nl_rm_subflow_received(msk, local_id); + mptcp_pm_nl_rm_subflow_received(msk, rm_list); spin_unlock_bh(&msk->pm.lock); return 0; } diff --git a/net/mptcp/pm_netlink.c b/net/mptcp/pm_netlink.c index e8135702af39..769a05d836da 100644 --- a/net/mptcp/pm_netlink.c +++ b/net/mptcp/pm_netlink.c @@ -645,39 +645,44 @@ void mptcp_pm_nl_work(struct mptcp_sock *msk) spin_unlock_bh(&msk->pm.lock); } -void mptcp_pm_nl_rm_subflow_received(struct mptcp_sock *msk, u8 rm_id) +void mptcp_pm_nl_rm_subflow_received(struct mptcp_sock *msk, + const struct mptcp_rm_list *rm_list) { struct mptcp_subflow_context *subflow, *tmp; struct sock *sk = (struct sock *)msk; + u8 i; - pr_debug("subflow rm_id %d", rm_id); + pr_debug("subflow rm_list_nr %d", rm_list->nr); msk_owned_by_me(msk); - if (!rm_id) + if (!rm_list->nr) return; if (list_empty(&msk->conn_list)) return; - list_for_each_entry_safe(subflow, tmp, &msk->conn_list, node) { - struct sock *ssk = mptcp_subflow_tcp_sock(subflow); - int how = RCV_SHUTDOWN | SEND_SHUTDOWN; + for (i = 0; i < rm_list->nr; i++) { + list_for_each_entry_safe(subflow, tmp, &msk->conn_list, node) { + struct sock *ssk = mptcp_subflow_tcp_sock(subflow); + int how = RCV_SHUTDOWN | SEND_SHUTDOWN; - if (rm_id != subflow->local_id) - continue; + if (rm_list->ids[i] != subflow->local_id) + continue; - spin_unlock_bh(&msk->pm.lock); - mptcp_subflow_shutdown(sk, ssk, how); - mptcp_close_ssk(sk, ssk, subflow); - spin_lock_bh(&msk->pm.lock); + pr_debug(" -> subflow rm_list_ids[%d]=%u", i, rm_list->ids[i]); + spin_unlock_bh(&msk->pm.lock); + mptcp_subflow_shutdown(sk, ssk, how); + mptcp_close_ssk(sk, ssk, subflow); + spin_lock_bh(&msk->pm.lock); - msk->pm.local_addr_used--; - msk->pm.subflows--; + msk->pm.local_addr_used--; + msk->pm.subflows--; - __MPTCP_INC_STATS(sock_net(sk), MPTCP_MIB_RMSUBFLOW); + __MPTCP_INC_STATS(sock_net(sk), MPTCP_MIB_RMSUBFLOW); - break; + break; + } } } @@ -1094,9 +1099,12 @@ static int mptcp_nl_remove_subflow_and_signal_addr(struct net *net, { struct mptcp_sock *msk; long s_slot = 0, s_num = 0; + struct mptcp_rm_list list = { .nr = 0 }; pr_debug("remove_id=%d", addr->id); + list.ids[list.nr++] = addr->id; + while ((msk = mptcp_token_iter_next(net, &s_slot, &s_num)) != NULL) { struct sock *sk = (struct sock *)msk; bool remove_subflow; @@ -1110,7 +1118,7 @@ static int mptcp_nl_remove_subflow_and_signal_addr(struct net *net, remove_subflow = lookup_subflow_by_saddr(&msk->conn_list, addr); mptcp_pm_remove_anno_addr(msk, addr, remove_subflow); if (remove_subflow) - mptcp_pm_remove_subflow(msk, addr->id); + mptcp_pm_remove_subflow(msk, &list); release_sock(sk); next: diff --git a/net/mptcp/protocol.h b/net/mptcp/protocol.h index 5324fbe40528..1111a99b024f 100644 --- a/net/mptcp/protocol.h +++ b/net/mptcp/protocol.h @@ -664,7 +664,7 @@ int mptcp_pm_announce_addr(struct mptcp_sock *msk, const struct mptcp_addr_info *addr, bool echo, bool port); int mptcp_pm_remove_addr(struct mptcp_sock *msk, const struct mptcp_rm_list *rm_list); -int mptcp_pm_remove_subflow(struct mptcp_sock *msk, u8 local_id); +int mptcp_pm_remove_subflow(struct mptcp_sock *msk, const struct mptcp_rm_list *rm_list); void mptcp_event(enum mptcp_event_type type, const struct mptcp_sock *msk, const struct sock *ssk, gfp_t gfp); @@ -728,7 +728,8 @@ int mptcp_pm_get_local_id(struct mptcp_sock *msk, struct sock_common *skc); void __init mptcp_pm_nl_init(void); void mptcp_pm_nl_data_init(struct mptcp_sock *msk); void mptcp_pm_nl_work(struct mptcp_sock *msk); -void mptcp_pm_nl_rm_subflow_received(struct mptcp_sock *msk, u8 rm_id); +void mptcp_pm_nl_rm_subflow_received(struct mptcp_sock *msk, + const struct mptcp_rm_list *rm_list); int mptcp_pm_nl_get_local_id(struct mptcp_sock *msk, struct sock_common *skc); unsigned int mptcp_pm_get_add_addr_signal_max(struct mptcp_sock *msk); unsigned int mptcp_pm_get_add_addr_accept_max(struct mptcp_sock *msk); |