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From: Xin Long <lucien.xin@gmail.com>
To: David Laight <David.Laight@aculab.com>
Cc: Michael Tuexen <tuexen@fh-muenster.de>,
	Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>,
	network dev <netdev@vger.kernel.org>,
	"linux-sctp@vger.kernel.org" <linux-sctp@vger.kernel.org>,
	Neil Horman <nhorman@tuxdriver.com>, davem <davem@davemloft.net>,
	Guillaume Nault <gnault@redhat.com>,
	Paolo Abeni <pabeni@redhat.com>,
	Willem de Bruijn <willemdebruijn.kernel@gmail.com>
Subject: Re: [PATCHv4 net-next 16/16] sctp: enable udp tunneling socks
Date: Mon, 26 Oct 2020 13:58:02 +0800	[thread overview]
Message-ID: <CADvbK_fqqzJjm38Hv4BrpQwPdXmPojKE6RQWsowdh7AQ8Ha00Q@mail.gmail.com> (raw)
In-Reply-To: <d36e186fd50c44a29adb07f16242f3fd@AcuMS.aculab.com>

On Thu, Oct 22, 2020 at 4:47 PM David Laight <David.Laight@aculab.com> wrote:
>
> From: Xin Long
> > Sent: 22 October 2020 04:13
> ...
> > I was thinking that by leaving it to 9899 by default users don't need to
> > know the port when want to use it, and yet I didn't want to add another
> > sysctl member. :D
>
> Could you make 1 mean 9899?
still feel not good, since it's called 'udp_port'.

I will add a note in ip-sysctl.rst:

udp_port - INTEGER
        The listening port for the local UDP tunneling sock. Normally it's
        using the IANA-assigned UDP port number 9899 (sctp-tunneling).
        ...

Thanks.
> So:
>   0 => disabled
>   1 => default port
>   n => use port n
> I doubt that disallowing port 1 is a problem!
>
>         David
>
> -
> Registered Address Lakeside, Bramley Road, Mount Farm, Milton Keynes, MK1 1PT, UK
> Registration No: 1397386 (Wales)

  reply	other threads:[~2020-10-26  5:58 UTC|newest]

Thread overview: 57+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-10-19 12:25 [PATCHv4 net-next 00/16] sctp: Implement RFC6951: UDP Encapsulation of SCTP Xin Long
2020-10-19 12:25 ` Xin Long
2020-10-19 12:25 ` [PATCHv4 net-next 01/16] udp: check udp sock encap_type in __udp_lib_err Xin Long
2020-10-19 12:25   ` Xin Long
2020-10-19 12:25   ` [PATCHv4 net-next 02/16] udp6: move the mss check after udp gso tunnel processing Xin Long
2020-10-19 12:25     ` Xin Long
2020-10-19 12:25     ` [PATCHv4 net-next 03/16] udp: support sctp over udp in skb_udp_tunnel_segment Xin Long
2020-10-19 12:25       ` Xin Long
2020-10-19 12:25       ` [PATCHv4 net-next 04/16] sctp: create udp4 sock and add its encap_rcv Xin Long
2020-10-19 12:25         ` Xin Long
2020-10-19 12:25         ` [PATCHv4 net-next 05/16] sctp: create udp6 sock and set " Xin Long
2020-10-19 12:25           ` Xin Long
2020-10-19 12:25           ` [PATCHv4 net-next 06/16] sctp: add encap_err_lookup for udp encap socks Xin Long
2020-10-19 12:25             ` Xin Long
2020-10-19 12:25             ` [PATCHv4 net-next 07/16] sctp: add encap_port for netns sock asoc and transport Xin Long
2020-10-19 12:25               ` Xin Long
2020-10-19 12:25               ` [PATCHv4 net-next 08/16] sctp: add SCTP_REMOTE_UDP_ENCAPS_PORT sockopt Xin Long
2020-10-19 12:25                 ` Xin Long
2020-10-19 12:25                 ` [PATCHv4 net-next 09/16] sctp: allow changing transport encap_port by peer packets Xin Long
2020-10-19 12:25                   ` Xin Long
2020-10-19 12:25                   ` [PATCHv4 net-next 10/16] sctp: add udphdr to overhead when udp_port is set Xin Long
2020-10-19 12:25                     ` Xin Long
2020-10-19 12:25                     ` [PATCHv4 net-next 11/16] sctp: call sk_setup_caps in sctp_packet_transmit instead Xin Long
2020-10-19 12:25                       ` Xin Long
2020-10-19 12:25                       ` [PATCHv4 net-next 12/16] sctp: support for sending packet over udp4 sock Xin Long
2020-10-19 12:25                         ` Xin Long
2020-10-19 12:25                         ` [PATCHv4 net-next 13/16] sctp: support for sending packet over udp6 sock Xin Long
2020-10-19 12:25                           ` Xin Long
2020-10-19 12:25                           ` [PATCHv4 net-next 14/16] sctp: add the error cause for new encapsulation port restart Xin Long
2020-10-19 12:25                             ` Xin Long
2020-10-19 12:25                             ` [PATCHv4 net-next 15/16] sctp: handle the init chunk matching an existing asoc Xin Long
2020-10-19 12:25                               ` Xin Long
2020-10-19 12:25                               ` [PATCHv4 net-next 16/16] sctp: enable udp tunneling socks Xin Long
2020-10-19 12:25                                 ` Xin Long
2020-10-19 22:15                                 ` Marcelo Ricardo Leitner
2020-10-19 22:15                                   ` Marcelo Ricardo Leitner
2020-10-19 22:29                                   ` Marcelo Ricardo Leitner
2020-10-19 22:29                                     ` Marcelo Ricardo Leitner
2020-10-20  9:12                                   ` Xin Long
2020-10-20  9:12                                     ` Xin Long
2020-10-20 21:11                                     ` Marcelo Ricardo Leitner
2020-10-20 21:11                                       ` Marcelo Ricardo Leitner
2020-10-20 21:15                                       ` Michael Tuexen
2020-10-20 21:15                                         ` Michael Tuexen
2020-10-20 21:23                                         ` Marcelo Ricardo Leitner
2020-10-20 21:23                                           ` Marcelo Ricardo Leitner
2020-10-20 22:08                                           ` David Laight
2020-10-20 22:13                                             ` 'Marcelo Ricardo Leitner'
2020-10-20 22:13                                               ` 'Marcelo Ricardo Leitner'
2020-10-21  4:16                                           ` Xin Long
2020-10-21  9:13                                             ` Michael Tuexen
2020-10-22  3:12                                               ` Xin Long
2020-10-22  8:47                                                 ` David Laight
2020-10-26  5:58                                                   ` Xin Long [this message]
2020-10-22 11:38                                                 ` Michael Tuexen
2020-10-19 22:14               ` [PATCHv4 net-next 07/16] sctp: add encap_port for netns sock asoc and transport Marcelo Ricardo Leitner
2020-10-19 22:14                 ` Marcelo Ricardo Leitner

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