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[mptcp-next,v2,6/9] mptcp: infinite mapping receiving

Message ID 945fdaa82c817feb705da45d0b1597c7d8a5533b.1631188109.git.geliangtang@xiaomi.com (mailing list archive)
State Superseded, archived
Headers show
Series The infinite mapping support | expand

Commit Message

Geliang Tang Sept. 9, 2021, 11:51 a.m. UTC 
From: Geliang Tang <geliangtang@xiaomi.com>

This patch added the infinite mapping receiving logic. When the infinite
mapping is received. invoke __mptcp_do_infinite to set the
MPTCP_INFINITE_DONE flag and return MAPPING_INFINITE.

Signed-off-by: Geliang Tang <geliangtang@xiaomi.com>
---
 net/mptcp/subflow.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

Comments

Paolo Abeni Sept. 9, 2021, 1:55 p.m. UTC | #1 
On Thu, 2021-09-09 at 19:51 +0800, Geliang Tang wrote:
> From: Geliang Tang <geliangtang@xiaomi.com>
> 
> This patch added the infinite mapping receiving logic. When the infinite
> mapping is received. invoke __mptcp_do_infinite to set the
> MPTCP_INFINITE_DONE flag and return MAPPING_INFINITE.
> 
> Signed-off-by: Geliang Tang <geliangtang@xiaomi.com>
> ---
>  net/mptcp/subflow.c | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/net/mptcp/subflow.c b/net/mptcp/subflow.c
> index ad8efe56eab6..bf535cc46c5c 100644
> --- a/net/mptcp/subflow.c
> +++ b/net/mptcp/subflow.c
> @@ -972,7 +972,9 @@ static enum mapping_status get_mapping_status(struct sock *ssk,
>  	data_len = mpext->data_len;
>  	if (data_len == 0) {
>  		MPTCP_INC_STATS(sock_net(ssk), MPTCP_MIB_INFINITEMAPRX);
> -		return MAPPING_INVALID;
> +		pr_infinite(msk);
> +		__mptcp_do_infinite(msk);
> +		return MAPPING_INFINITE;
>  	}
>  
>  	if (mpext->data_fin == 1) {

As for patch 3/9, I think we could simply return MAPPING_DUMMY.

/P
diff mbox series

Patch

diff --git a/net/mptcp/subflow.c b/net/mptcp/subflow.c
index ad8efe56eab6..bf535cc46c5c 100644
--- a/net/mptcp/subflow.c
+++ b/net/mptcp/subflow.c
@@ -972,7 +972,9 @@  static enum mapping_status get_mapping_status(struct sock *ssk,
 	data_len = mpext->data_len;
 	if (data_len == 0) {
 		MPTCP_INC_STATS(sock_net(ssk), MPTCP_MIB_INFINITEMAPRX);
-		return MAPPING_INVALID;
+		pr_infinite(msk);
+		__mptcp_do_infinite(msk);
+		return MAPPING_INFINITE;
 	}
 
 	if (mpext->data_fin == 1) {