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From: Willem de Bruijn <willemdebruijn.kernel@gmail.com>
To: Xin Long <lucien.xin@gmail.com>
Cc: network dev <netdev@vger.kernel.org>,
	linux-sctp@vger.kernel.org,
	Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>,
	Neil Horman <nhorman@tuxdriver.com>,
	Michael Tuexen <tuexen@fh-muenster.de>,
	David Miller <davem@davemloft.net>,
	gnault@redhat.com, Paolo Abeni <pabeni@redhat.com>
Subject: Re: [PATCHv3 net-next 02/16] udp6: move the mss check after udp gso tunnel processing
Date: Tue, 13 Oct 2020 17:19:56 +0000	[thread overview]
Message-ID: <CA+FuTSc1FRRZS8Yt0U7bt6M9Qjvi+xrQTefvMuOxF6=FL3dPPw@mail.gmail.com> (raw)
In-Reply-To: <c01a9a09096cb1b292d461aa5a1e72aae2ca942a.1602574012.git.lucien.xin@gmail.com>

On Tue, Oct 13, 2020 at 3:28 AM Xin Long <lucien.xin@gmail.com> wrote:
>
> For some protocol's gso, like SCTP, it's using GSO_BY_FRAGS for
> gso_size. When using UDP to encapsulate its packet, it will
> return error in udp6_ufo_fragment() as skb->len < gso_size,
> and it will never go to the gso tunnel processing.
>
> So we should move this check after udp gso tunnel processing,
> the same as udp4_ufo_fragment() does.
>
> v1->v2:
>   - no change.
> v2->v3:
>   - not do any cleanup.
>
> Signed-off-by: Xin Long <lucien.xin@gmail.com>

Acked-by: Willem de Bruijn <willemb@google.com>

Thanks for revising

WARNING: multiple messages have this Message-ID (diff)
From: Willem de Bruijn <willemdebruijn.kernel@gmail.com>
To: Xin Long <lucien.xin@gmail.com>
Cc: network dev <netdev@vger.kernel.org>,
	linux-sctp@vger.kernel.org,
	Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>,
	Neil Horman <nhorman@tuxdriver.com>,
	Michael Tuexen <tuexen@fh-muenster.de>,
	David Miller <davem@davemloft.net>,
	gnault@redhat.com, Paolo Abeni <pabeni@redhat.com>
Subject: Re: [PATCHv3 net-next 02/16] udp6: move the mss check after udp gso tunnel processing
Date: Tue, 13 Oct 2020 13:19:56 -0400	[thread overview]
Message-ID: <CA+FuTSc1FRRZS8Yt0U7bt6M9Qjvi+xrQTefvMuOxF6=FL3dPPw@mail.gmail.com> (raw)
Message-ID: <20201013171956.YxmhWg0NaOmdmp7QfMZBEasvB16uNnFAtBt0aou6vWg@z> (raw)
In-Reply-To: <c01a9a09096cb1b292d461aa5a1e72aae2ca942a.1602574012.git.lucien.xin@gmail.com>

On Tue, Oct 13, 2020 at 3:28 AM Xin Long <lucien.xin@gmail.com> wrote:
>
> For some protocol's gso, like SCTP, it's using GSO_BY_FRAGS for
> gso_size. When using UDP to encapsulate its packet, it will
> return error in udp6_ufo_fragment() as skb->len < gso_size,
> and it will never go to the gso tunnel processing.
>
> So we should move this check after udp gso tunnel processing,
> the same as udp4_ufo_fragment() does.
>
> v1->v2:
>   - no change.
> v2->v3:
>   - not do any cleanup.
>
> Signed-off-by: Xin Long <lucien.xin@gmail.com>

Acked-by: Willem de Bruijn <willemb@google.com>

Thanks for revising

  parent reply	other threads:[~2020-10-13 17:19 UTC|newest]

Thread overview: 49+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-10-13  7:27 [PATCHv3 net-next 00/16] sctp: Implement RFC6951: UDP Encapsulation of SCTP Xin Long
2020-10-13  7:27 ` Xin Long
2020-10-13  7:27 ` [PATCHv3 net-next 01/16] udp: check udp sock encap_type in __udp_lib_err Xin Long
2020-10-13  7:27   ` Xin Long
2020-10-13  7:27   ` [PATCHv3 net-next 02/16] udp6: move the mss check after udp gso tunnel processing Xin Long
2020-10-13  7:27     ` Xin Long
2020-10-13  7:27     ` [PATCHv3 net-next 03/16] udp: support sctp over udp in skb_udp_tunnel_segment Xin Long
2020-10-13  7:27       ` Xin Long
2020-10-13  7:27       ` [PATCHv3 net-next 04/16] sctp: create udp4 sock and add its encap_rcv Xin Long
2020-10-13  7:27         ` Xin Long
2020-10-13  7:27         ` [PATCHv3 net-next 05/16] sctp: create udp6 sock and set " Xin Long
2020-10-13  7:27           ` Xin Long
2020-10-13  7:27           ` [PATCHv3 net-next 06/16] sctp: add encap_err_lookup for udp encap socks Xin Long
2020-10-13  7:27             ` Xin Long
2020-10-13  7:27             ` [PATCHv3 net-next 07/16] sctp: add encap_port for netns sock asoc and transport Xin Long
2020-10-13  7:27               ` Xin Long
2020-10-13  7:27               ` [PATCHv3 net-next 08/16] sctp: add SCTP_REMOTE_UDP_ENCAPS_PORT sockopt Xin Long
2020-10-13  7:27                 ` Xin Long
2020-10-13  7:27                 ` [PATCHv3 net-next 09/16] sctp: allow changing transport encap_port by peer packets Xin Long
2020-10-13  7:27                   ` Xin Long
2020-10-13  7:27                   ` [PATCHv3 net-next 10/16] sctp: add udphdr to overhead when udp_port is set Xin Long
2020-10-13  7:27                     ` Xin Long
2020-10-13  7:27                     ` [PATCHv3 net-next 11/16] sctp: call sk_setup_caps in sctp_packet_transmit instead Xin Long
2020-10-13  7:27                       ` Xin Long
2020-10-13  7:27                       ` [PATCHv3 net-next 12/16] sctp: support for sending packet over udp4 sock Xin Long
2020-10-13  7:27                         ` Xin Long
2020-10-13  7:27                         ` [PATCHv3 net-next 13/16] sctp: support for sending packet over udp6 sock Xin Long
2020-10-13  7:27                           ` Xin Long
2020-10-13  7:27                           ` [PATCHv3 net-next 14/16] sctp: add the error cause for new encapsulation port restart Xin Long
2020-10-13  7:27                             ` Xin Long
2020-10-13  7:27                             ` [PATCHv3 net-next 15/16] sctp: handle the init chunk matching an existing asoc Xin Long
2020-10-13  7:27                               ` Xin Long
2020-10-13  7:27                               ` [PATCHv3 net-next 16/16] sctp: enable udp tunneling socks Xin Long
2020-10-13  7:27                                 ` Xin Long
2020-10-15 17:42                                 ` Marcelo Ricardo Leitner
2020-10-15 17:42                                   ` Marcelo Ricardo Leitner
2020-10-15 21:23                                   ` David Laight
2020-10-15 21:35                                     ` Michael Tuexen
2020-10-15 21:35                                       ` Michael Tuexen
2020-10-16  7:08                                   ` Xin Long
2020-10-16  7:08                                     ` Xin Long
2020-10-19 10:40                                     ` Xin Long
2020-10-19 10:40                                       ` Xin Long
2020-10-13 17:19     ` Willem de Bruijn [this message]
2020-10-13 17:19       ` [PATCHv3 net-next 02/16] udp6: move the mss check after udp gso tunnel processing Willem de Bruijn
2020-10-15  3:34 ` [PATCHv3 net-next 00/16] sctp: Implement RFC6951: UDP Encapsulation of SCTP Jakub Kicinski
2020-10-15  3:34   ` Jakub Kicinski
2020-10-15 12:41   ` Marcelo Ricardo Leitner
2020-10-15 12:41     ` Marcelo Ricardo Leitner

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