diff options
| author |   Geliang Tang <geliangtang@gmail.com> | 2021-03-12 17:16:15 -0800 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2021-03-12 17:47:45 -0800 |
| commit | d0b698ca9a27e90b641804fc2fb49ae3719c0904 (patch) | |
| tree | 12ca62dea0037b3ac849193051f04038fe0f6e8a /net/mptcp | |
| parent | mptcp: add rm_list_rx in mptcp_pm_data (diff) | |
| download | linux-dev-d0b698ca9a27e90b641804fc2fb49ae3719c0904.tar.xz linux-dev-d0b698ca9a27e90b641804fc2fb49ae3719c0904.zip | |
mptcp: remove multi addresses in PM
This patch dropped the member rm_id of struct mptcp_pm_data. Use
rm_list_rx in mptcp_pm_nl_rm_addr_received instead of using rm_id.
In mptcp_pm_nl_rm_addr_received, iterated each address id from
pm.rm_list_rx, then shut down and closed each address id's subsocket.
Signed-off-by: Geliang Tang <geliangtang@gmail.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/mptcp')
| -rw-r--r-- | net/mptcp/pm_netlink.c | 36 | ||||
| -rw-r--r-- | net/mptcp/protocol.h | 1 |
2 files changed, 20 insertions, 17 deletions
diff --git a/net/mptcp/pm_netlink.c b/net/mptcp/pm_netlink.c index 1eb9d0139267..e8135702af39 100644 --- a/net/mptcp/pm_netlink.c +++ b/net/mptcp/pm_netlink.c @@ -575,36 +575,40 @@ static void mptcp_pm_nl_rm_addr_received(struct mptcp_sock *msk) { struct mptcp_subflow_context *subflow, *tmp; struct sock *sk = (struct sock *)msk; + u8 i; - pr_debug("address rm_id %d", msk->pm.rm_id); + pr_debug("address rm_list_nr %d", msk->pm.rm_list_rx.nr); msk_owned_by_me(msk); - if (!msk->pm.rm_id) + if (!msk->pm.rm_list_rx.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 < msk->pm.rm_list_rx.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 (msk->pm.rm_id != subflow->remote_id) - continue; + if (msk->pm.rm_list_rx.ids[i] != subflow->remote_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(" -> address rm_list_ids[%d]=%u", i, msk->pm.rm_list_rx.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.add_addr_accepted--; - msk->pm.subflows--; - WRITE_ONCE(msk->pm.accept_addr, true); + msk->pm.add_addr_accepted--; + msk->pm.subflows--; + WRITE_ONCE(msk->pm.accept_addr, true); - __MPTCP_INC_STATS(sock_net(sk), MPTCP_MIB_RMADDR); + __MPTCP_INC_STATS(sock_net(sk), MPTCP_MIB_RMADDR); - break; + break; + } } } diff --git a/net/mptcp/protocol.h b/net/mptcp/protocol.h index 82a63abf2c7e..5324fbe40528 100644 --- a/net/mptcp/protocol.h +++ b/net/mptcp/protocol.h @@ -209,7 +209,6 @@ struct mptcp_pm_data { u8 status; struct mptcp_rm_list rm_list_tx; struct mptcp_rm_list rm_list_rx; - u8 rm_id; }; struct mptcp_data_frag { |