diff options
| author | Geliang Tang <geliangtang@gmail.com> | 2020-09-08 10:49:39 +0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2020-09-10 12:29:15 -0700 |
| commit | 2ff0e566faa4e92cba8138c5b396d6ba96a215f1 (patch) | |
| tree | 8d693c1946328722ec80c145f6eb3941fd69124b /net | |
| parent | 57025817eaa42c0b6e2a907f28a125c74e3b2fc6 (diff) | |
| download | linux-2ff0e566faa4e92cba8138c5b396d6ba96a215f1.tar.bz2 | |
mptcp: fix subflow's remote_id issues
This patch set the init remote_id to zero, otherwise it will be a random
number.
Then it added the missing subflow's remote_id setting code both in
__mptcp_subflow_connect and in subflow_ulp_clone.
Fixes: 01cacb00b35cb ("mptcp: add netlink-based PM")
Fixes: ec3edaa7ca6ce ("mptcp: Add handling of outgoing MP_JOIN requests")
Fixes: f296234c98a8f ("mptcp: Add handling of incoming MP_JOIN requests")
Signed-off-by: Geliang Tang <geliangtang@gmail.com>
Reviewed-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
| -rw-r--r-- | net/mptcp/pm_netlink.c | 2 | ||||
| -rw-r--r-- | net/mptcp/subflow.c | 7 |
2 files changed, 6 insertions, 3 deletions
diff --git a/net/mptcp/pm_netlink.c b/net/mptcp/pm_netlink.c index 6b41d1d939a0..5ea121d0222e 100644 --- a/net/mptcp/pm_netlink.c +++ b/net/mptcp/pm_netlink.c @@ -181,9 +181,9 @@ static void check_work_pending(struct mptcp_sock *msk) static void mptcp_pm_create_subflow_or_signal_addr(struct mptcp_sock *msk) { + struct mptcp_addr_info remote = { 0 }; struct sock *sk = (struct sock *)msk; struct mptcp_pm_addr_entry *local; - struct mptcp_addr_info remote; struct pm_nl_pernet *pernet; pernet = net_generic(sock_net((struct sock *)msk), pm_nl_pernet_id); diff --git a/net/mptcp/subflow.c b/net/mptcp/subflow.c index e8cac2655c82..9ead43f79023 100644 --- a/net/mptcp/subflow.c +++ b/net/mptcp/subflow.c @@ -1063,6 +1063,7 @@ int __mptcp_subflow_connect(struct sock *sk, int ifindex, struct mptcp_sock *msk = mptcp_sk(sk); struct mptcp_subflow_context *subflow; struct sockaddr_storage addr; + int remote_id = remote->id; int local_id = loc->id; struct socket *sf; struct sock *ssk; @@ -1107,10 +1108,11 @@ int __mptcp_subflow_connect(struct sock *sk, int ifindex, goto failed; mptcp_crypto_key_sha(subflow->remote_key, &remote_token, NULL); - pr_debug("msk=%p remote_token=%u local_id=%d", msk, remote_token, - local_id); + pr_debug("msk=%p remote_token=%u local_id=%d remote_id=%d", msk, + remote_token, local_id, remote_id); subflow->remote_token = remote_token; subflow->local_id = local_id; + subflow->remote_id = remote_id; subflow->request_join = 1; subflow->request_bkup = 1; mptcp_info2sockaddr(remote, &addr); @@ -1347,6 +1349,7 @@ static void subflow_ulp_clone(const struct request_sock *req, new_ctx->fully_established = 1; new_ctx->backup = subflow_req->backup; new_ctx->local_id = subflow_req->local_id; + new_ctx->remote_id = subflow_req->remote_id; new_ctx->token = subflow_req->token; new_ctx->thmac = subflow_req->thmac; } |