diff options
Diffstat (limited to 'net')
| -rw-r--r-- | net/mptcp/pm.c | 20 | ||||
| -rw-r--r-- | net/mptcp/pm_netlink.c | 5 | ||||
| -rw-r--r-- | net/mptcp/protocol.h | 3 |
3 files changed, 18 insertions, 10 deletions
diff --git a/net/mptcp/pm.c b/net/mptcp/pm.c index 0654c86cd5ff..9a91605885bb 100644 --- a/net/mptcp/pm.c +++ b/net/mptcp/pm.c @@ -39,18 +39,18 @@ int mptcp_pm_announce_addr(struct mptcp_sock *msk, return 0; } -int mptcp_pm_remove_addr(struct mptcp_sock *msk, u8 local_id) +int mptcp_pm_remove_addr(struct mptcp_sock *msk, const struct mptcp_rm_list *rm_list) { u8 rm_addr = READ_ONCE(msk->pm.addr_signal); - pr_debug("msk=%p, local_id=%d", msk, local_id); + pr_debug("msk=%p, rm_list_nr=%d", msk, rm_list->nr); if (rm_addr) { pr_warn("addr_signal error, rm_addr=%d", rm_addr); return -EINVAL; } - msk->pm.rm_id = local_id; + msk->pm.rm_list_tx = *rm_list; rm_addr |= BIT(MPTCP_RM_ADDR_SIGNAL); WRITE_ONCE(msk->pm.addr_signal, rm_addr); return 0; @@ -260,7 +260,7 @@ out_unlock: bool mptcp_pm_rm_addr_signal(struct mptcp_sock *msk, unsigned int remaining, struct mptcp_rm_list *rm_list) { - int ret = false; + int ret = false, len; spin_lock_bh(&msk->pm.lock); @@ -268,11 +268,15 @@ bool mptcp_pm_rm_addr_signal(struct mptcp_sock *msk, unsigned int remaining, if (!mptcp_pm_should_rm_signal(msk)) goto out_unlock; - if (remaining < TCPOLEN_MPTCP_RM_ADDR_BASE) + len = mptcp_rm_addr_len(&msk->pm.rm_list_tx); + if (len < 0) { + WRITE_ONCE(msk->pm.addr_signal, 0); + goto out_unlock; + } + if (remaining < len) goto out_unlock; - rm_list->ids[0] = msk->pm.rm_id; - rm_list->nr = 1; + *rm_list = msk->pm.rm_list_tx; WRITE_ONCE(msk->pm.addr_signal, 0); ret = true; @@ -292,7 +296,7 @@ void mptcp_pm_data_init(struct mptcp_sock *msk) msk->pm.add_addr_accepted = 0; msk->pm.local_addr_used = 0; msk->pm.subflows = 0; - msk->pm.rm_id = 0; + msk->pm.rm_list_tx.nr = 0; WRITE_ONCE(msk->pm.work_pending, false); WRITE_ONCE(msk->pm.addr_signal, 0); WRITE_ONCE(msk->pm.accept_addr, false); diff --git a/net/mptcp/pm_netlink.c b/net/mptcp/pm_netlink.c index 8e8e35fa4002..1eb9d0139267 100644 --- a/net/mptcp/pm_netlink.c +++ b/net/mptcp/pm_netlink.c @@ -1071,12 +1071,15 @@ static bool mptcp_pm_remove_anno_addr(struct mptcp_sock *msk, struct mptcp_addr_info *addr, bool force) { + struct mptcp_rm_list list = { .nr = 0 }; bool ret; + list.ids[list.nr++] = addr->id; + ret = remove_anno_list_by_saddr(msk, addr); if (ret || force) { spin_lock_bh(&msk->pm.lock); - mptcp_pm_remove_addr(msk, addr->id); + mptcp_pm_remove_addr(msk, &list); spin_unlock_bh(&msk->pm.lock); } return ret; diff --git a/net/mptcp/protocol.h b/net/mptcp/protocol.h index c896bcf3e70f..ac15be7cf06b 100644 --- a/net/mptcp/protocol.h +++ b/net/mptcp/protocol.h @@ -207,6 +207,7 @@ struct mptcp_pm_data { u8 local_addr_used; u8 subflows; u8 status; + struct mptcp_rm_list rm_list_tx; u8 rm_id; }; @@ -661,7 +662,7 @@ mptcp_pm_del_add_timer(struct mptcp_sock *msk, 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, u8 local_id); +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); void mptcp_event(enum mptcp_event_type type, const struct mptcp_sock *msk, |