diff options
| author | Paolo Abeni <pabeni@redhat.com> | 2020-03-19 11:06:30 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2020-03-19 20:19:34 -0700 |
| commit | 0be534f5c0fd153c0f2584db333efc504f8490c9 (patch) | |
| tree | 42157fd4e7302cf2e71919400b7d74a2fca9a338 /net/mptcp | |
| parent | 79e28519ac78dde6d38fe6ea22286af574f5c7db (diff) | |
mptcp: rename fourth ack field
The name is misleading, it actually tracks the 'fully established'
status.
Reviewed-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/mptcp')
| -rw-r--r-- | net/mptcp/options.c | 18 | ||||
| -rw-r--r-- | net/mptcp/protocol.h | 2 | ||||
| -rw-r--r-- | net/mptcp/subflow.c | 2 |
3 files changed, 11 insertions, 11 deletions
diff --git a/net/mptcp/options.c b/net/mptcp/options.c index 63c8ee49cef2..55f3ce7638a0 100644 --- a/net/mptcp/options.c +++ b/net/mptcp/options.c @@ -259,11 +259,11 @@ static bool mptcp_established_options_mp(struct sock *sk, struct sk_buff *skb, struct mptcp_ext *mpext; unsigned int data_len; - pr_debug("subflow=%p fourth_ack=%d seq=%x:%x remaining=%d", subflow, - subflow->fourth_ack, subflow->snd_isn, + pr_debug("subflow=%p fully established=%d seq=%x:%x remaining=%d", + subflow, subflow->fully_established, subflow->snd_isn, skb ? TCP_SKB_CB(skb)->seq : 0, remaining); - if (subflow->mp_capable && !subflow->fourth_ack && skb && + if (subflow->mp_capable && !subflow->fully_established && skb && subflow->snd_isn == TCP_SKB_CB(skb)->seq) { /* When skb is not available, we better over-estimate the * emitted options len. A full DSS option is longer than @@ -429,19 +429,19 @@ bool mptcp_synack_options(const struct request_sock *req, unsigned int *size, return false; } -static bool check_fourth_ack(struct mptcp_subflow_context *subflow, - struct sk_buff *skb, - struct mptcp_options_received *mp_opt) +static bool check_fully_established(struct mptcp_subflow_context *subflow, + struct sk_buff *skb, + struct mptcp_options_received *mp_opt) { /* here we can process OoO, in-window pkts, only in-sequence 4th ack * are relevant */ - if (likely(subflow->fourth_ack || + if (likely(subflow->fully_established || TCP_SKB_CB(skb)->seq != subflow->ssn_offset + 1)) return true; if (mp_opt->use_ack) - subflow->fourth_ack = 1; + subflow->fully_established = 1; if (subflow->can_ack) return true; @@ -467,7 +467,7 @@ void mptcp_incoming_options(struct sock *sk, struct sk_buff *skb, struct mptcp_ext *mpext; mp_opt = &opt_rx->mptcp; - if (!check_fourth_ack(subflow, skb, mp_opt)) + if (!check_fully_established(subflow, skb, mp_opt)) return; if (!mp_opt->dss) diff --git a/net/mptcp/protocol.h b/net/mptcp/protocol.h index 9baf6fcba914..eb3f65264a40 100644 --- a/net/mptcp/protocol.h +++ b/net/mptcp/protocol.h @@ -119,7 +119,7 @@ struct mptcp_subflow_context { u32 map_data_len; u32 request_mptcp : 1, /* send MP_CAPABLE */ mp_capable : 1, /* remote is MPTCP capable */ - fourth_ack : 1, /* send initial DSS */ + fully_established : 1, /* path validated */ conn_finished : 1, map_valid : 1, mpc_map : 1, diff --git a/net/mptcp/subflow.c b/net/mptcp/subflow.c index 052d72a1d3a2..e1faa88855bf 100644 --- a/net/mptcp/subflow.c +++ b/net/mptcp/subflow.c @@ -802,7 +802,7 @@ static void subflow_ulp_clone(const struct request_sock *req, new_ctx->tcp_sock = newsk; new_ctx->mp_capable = 1; - new_ctx->fourth_ack = subflow_req->remote_key_valid; + new_ctx->fully_established = subflow_req->remote_key_valid; new_ctx->can_ack = subflow_req->remote_key_valid; new_ctx->remote_key = subflow_req->remote_key; new_ctx->local_key = subflow_req->local_key; |