diff options
Diffstat (limited to '')
| -rw-r--r-- | net/mptcp/pm_netlink.c | 28 |
1 files changed, 15 insertions, 13 deletions
diff --git a/net/mptcp/pm_netlink.c b/net/mptcp/pm_netlink.c index ec45ab4c66ab..42d4e7b5f65d 100644 --- a/net/mptcp/pm_netlink.c +++ b/net/mptcp/pm_netlink.c @@ -800,11 +800,6 @@ int mptcp_pm_nl_mp_prio_send_ack(struct mptcp_sock *msk, return -EINVAL; } -static bool mptcp_local_id_match(const struct mptcp_sock *msk, u8 local_id, u8 id) -{ - return local_id == id || (!local_id && msk->mpc_endpoint_id == id); -} - static void mptcp_pm_nl_rm_addr_or_subflow(struct mptcp_sock *msk, const struct mptcp_rm_list *rm_list, enum linux_mptcp_mib_field rm_type) @@ -839,7 +834,7 @@ static void mptcp_pm_nl_rm_addr_or_subflow(struct mptcp_sock *msk, if (rm_type == MPTCP_MIB_RMADDR && remote_id != rm_id) continue; - if (rm_type == MPTCP_MIB_RMSUBFLOW && !mptcp_local_id_match(msk, id, rm_id)) + if (rm_type == MPTCP_MIB_RMSUBFLOW && id != rm_id) continue; pr_debug(" -> %s rm_list_ids[%d]=%u local_id=%u remote_id=%u mpc_id=%u\n", @@ -1448,6 +1443,12 @@ static bool remove_anno_list_by_saddr(struct mptcp_sock *msk, return false; } +static u8 mptcp_endp_get_local_id(struct mptcp_sock *msk, + const struct mptcp_addr_info *addr) +{ + return msk->mpc_endpoint_id == addr->id ? 0 : addr->id; +} + static bool mptcp_pm_remove_anno_addr(struct mptcp_sock *msk, const struct mptcp_addr_info *addr, bool force) @@ -1455,7 +1456,7 @@ static bool mptcp_pm_remove_anno_addr(struct mptcp_sock *msk, struct mptcp_rm_list list = { .nr = 0 }; bool ret; - list.ids[list.nr++] = addr->id; + list.ids[list.nr++] = mptcp_endp_get_local_id(msk, addr); ret = remove_anno_list_by_saddr(msk, addr); if (ret || force) { @@ -1482,14 +1483,12 @@ static int mptcp_nl_remove_subflow_and_signal_addr(struct net *net, const struct mptcp_pm_addr_entry *entry) { const struct mptcp_addr_info *addr = &entry->addr; - struct mptcp_rm_list list = { .nr = 0 }; + struct mptcp_rm_list list = { .nr = 1 }; long s_slot = 0, s_num = 0; struct mptcp_sock *msk; pr_debug("remove_id=%d\n", 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; @@ -1507,6 +1506,7 @@ static int mptcp_nl_remove_subflow_and_signal_addr(struct net *net, mptcp_pm_remove_anno_addr(msk, addr, remove_subflow && !(entry->flags & MPTCP_PM_ADDR_FLAG_IMPLICIT)); + list.ids[0] = mptcp_endp_get_local_id(msk, addr); if (remove_subflow) { spin_lock_bh(&msk->pm.lock); mptcp_pm_nl_rm_subflow_received(msk, &list); @@ -1613,6 +1613,7 @@ int mptcp_pm_nl_del_addr_doit(struct sk_buff *skb, struct genl_info *info) return ret; } +/* Called from the userspace PM only */ void mptcp_pm_remove_addrs(struct mptcp_sock *msk, struct list_head *rm_list) { struct mptcp_rm_list alist = { .nr = 0 }; @@ -1641,6 +1642,7 @@ void mptcp_pm_remove_addrs(struct mptcp_sock *msk, struct list_head *rm_list) } } +/* Called from the in-kernel PM only */ static void mptcp_pm_remove_addrs_and_subflows(struct mptcp_sock *msk, struct list_head *rm_list) { @@ -1650,11 +1652,11 @@ static void mptcp_pm_remove_addrs_and_subflows(struct mptcp_sock *msk, list_for_each_entry(entry, rm_list, list) { if (slist.nr < MPTCP_RM_IDS_MAX && lookup_subflow_by_saddr(&msk->conn_list, &entry->addr)) - slist.ids[slist.nr++] = entry->addr.id; + slist.ids[slist.nr++] = mptcp_endp_get_local_id(msk, &entry->addr); if (alist.nr < MPTCP_RM_IDS_MAX && remove_anno_list_by_saddr(msk, &entry->addr)) - alist.ids[alist.nr++] = entry->addr.id; + alist.ids[alist.nr++] = mptcp_endp_get_local_id(msk, &entry->addr); } spin_lock_bh(&msk->pm.lock); @@ -1951,7 +1953,7 @@ static void mptcp_pm_nl_fullmesh(struct mptcp_sock *msk, { struct mptcp_rm_list list = { .nr = 0 }; - list.ids[list.nr++] = addr->id; + list.ids[list.nr++] = mptcp_endp_get_local_id(msk, addr); spin_lock_bh(&msk->pm.lock); mptcp_pm_nl_rm_subflow_received(msk, &list); |