From: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com> To: Xin Long <lucien.xin@gmail.com> Cc: network dev <netdev@vger.kernel.org>, linux-sctp@vger.kernel.org, Neil Horman <nhorman@tuxdriver.com>, Michael Tuexen <tuexen@fh-muenster.de>, Tom Herbert <therbert@google.com>, davem@davemloft.net Subject: Re: [PATCH net-next 09/15] sctp: add SCTP_REMOTE_UDP_ENCAPS_PORT sockopt Date: Sat, 03 Oct 2020 04:05:50 +0000 [thread overview] Message-ID: <20201003040550.GD70998@localhost.localdomain> (raw) In-Reply-To: <ff57fb1ff7c477ff038cebb36e9f0554d26d5915.1601387231.git.lucien.xin@gmail.com> On Tue, Sep 29, 2020 at 09:49:01PM +0800, Xin Long wrote: ... > +struct sctp_udpencaps { > + sctp_assoc_t sue_assoc_id; > + struct sockaddr_storage sue_address; > + uint16_t sue_port; > +}; ... > +static int sctp_setsockopt_encap_port(struct sock *sk, > + struct sctp_udpencaps *encap, > + unsigned int optlen) > +{ > + struct sctp_association *asoc; > + struct sctp_transport *t; > + > + if (optlen != sizeof(*encap)) > + return -EINVAL; > + > + /* If an address other than INADDR_ANY is specified, and > + * no transport is found, then the request is invalid. > + */ > + if (!sctp_is_any(sk, (union sctp_addr *)&encap->sue_address)) { > + t = sctp_addr_id2transport(sk, &encap->sue_address, > + encap->sue_assoc_id); > + if (!t) > + return -EINVAL; > + > + t->encap_port = encap->sue_port; ^^^^^^^^^^ ^^^^^^^^ encap_port is defined as __u16 is previous patch, but from RFC: sue_port: The UDP port number in network byte order... asoc->peer.port is stored in host order, so it makes sense to follow it here. Then need a htons() here and its counter parts. It is right in some parts of the patches already.
WARNING: multiple messages have this Message-ID (diff)
From: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com> To: Xin Long <lucien.xin@gmail.com> Cc: network dev <netdev@vger.kernel.org>, linux-sctp@vger.kernel.org, Neil Horman <nhorman@tuxdriver.com>, Michael Tuexen <tuexen@fh-muenster.de>, Tom Herbert <therbert@google.com>, davem@davemloft.net Subject: Re: [PATCH net-next 09/15] sctp: add SCTP_REMOTE_UDP_ENCAPS_PORT sockopt Date: Sat, 3 Oct 2020 01:05:50 -0300 [thread overview] Message-ID: <20201003040550.GD70998@localhost.localdomain> (raw) Message-ID: <20201003040550.yfnsyxQeZMJMelMXzQOek11zD6YRIVX0utiaDA6nZuE@z> (raw) In-Reply-To: <ff57fb1ff7c477ff038cebb36e9f0554d26d5915.1601387231.git.lucien.xin@gmail.com> On Tue, Sep 29, 2020 at 09:49:01PM +0800, Xin Long wrote: ... > +struct sctp_udpencaps { > + sctp_assoc_t sue_assoc_id; > + struct sockaddr_storage sue_address; > + uint16_t sue_port; > +}; ... > +static int sctp_setsockopt_encap_port(struct sock *sk, > + struct sctp_udpencaps *encap, > + unsigned int optlen) > +{ > + struct sctp_association *asoc; > + struct sctp_transport *t; > + > + if (optlen != sizeof(*encap)) > + return -EINVAL; > + > + /* If an address other than INADDR_ANY is specified, and > + * no transport is found, then the request is invalid. > + */ > + if (!sctp_is_any(sk, (union sctp_addr *)&encap->sue_address)) { > + t = sctp_addr_id2transport(sk, &encap->sue_address, > + encap->sue_assoc_id); > + if (!t) > + return -EINVAL; > + > + t->encap_port = encap->sue_port; ^^^^^^^^^^ ^^^^^^^^ encap_port is defined as __u16 is previous patch, but from RFC: sue_port: The UDP port number in network byte order... asoc->peer.port is stored in host order, so it makes sense to follow it here. Then need a htons() here and its counter parts. It is right in some parts of the patches already.
next prev parent reply other threads:[~2020-10-03 4:05 UTC|newest] Thread overview: 82+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-09-29 13:48 [PATCH net-next 00/15] sctp: Implement RFC6951: UDP Encapsulation of SCTP Xin Long 2020-09-29 13:48 ` Xin Long 2020-09-29 13:48 ` [PATCH net-next 01/15] udp: check udp sock encap_type in __udp_lib_err Xin Long 2020-09-29 13:48 ` Xin Long 2020-09-29 13:48 ` [PATCH net-next 02/15] udp6: move the mss check after udp gso tunnel processing Xin Long 2020-09-29 13:48 ` Xin Long 2020-09-29 13:48 ` [PATCH net-next 03/15] udp: do checksum properly in skb_udp_tunnel_segment Xin Long 2020-09-29 13:48 ` Xin Long 2020-09-29 13:48 ` [PATCH net-next 04/15] udp: support sctp over udp " Xin Long 2020-09-29 13:48 ` Xin Long 2020-09-29 13:48 ` [PATCH net-next 05/15] sctp: create udp4 sock and add its encap_rcv Xin Long 2020-09-29 13:48 ` Xin Long 2020-09-29 13:48 ` [PATCH net-next 06/15] sctp: create udp6 sock and set " Xin Long 2020-09-29 13:48 ` Xin Long 2020-09-29 13:48 ` [PATCH net-next 07/15] sctp: add encap_err_lookup for udp encap socks Xin Long 2020-09-29 13:48 ` Xin Long 2020-09-29 13:49 ` [PATCH net-next 08/15] sctp: add encap_port for netns sock asoc and transport Xin Long 2020-09-29 13:49 ` Xin Long 2020-09-29 13:49 ` [PATCH net-next 09/15] sctp: add SCTP_REMOTE_UDP_ENCAPS_PORT sockopt Xin Long 2020-09-29 13:49 ` Xin Long 2020-09-29 13:49 ` [PATCH net-next 10/15] sctp: allow changing transport encap_port by peer packets Xin Long 2020-09-29 13:49 ` Xin Long 2020-09-29 13:49 ` [PATCH net-next 11/15] sctp: add udphdr to overhead when udp_port is set Xin Long 2020-09-29 13:49 ` Xin Long 2020-09-29 13:49 ` [PATCH net-next 12/15] sctp: call sk_setup_caps in sctp_packet_transmit instead Xin Long 2020-09-29 13:49 ` Xin Long 2020-09-29 13:49 ` [PATCH net-next 13/15] sctp: support for sending packet over udp4 sock Xin Long 2020-09-29 13:49 ` Xin Long 2020-09-29 13:49 ` [PATCH net-next 14/15] sctp: support for sending packet over udp6 sock Xin Long 2020-09-29 13:49 ` Xin Long 2020-09-29 13:49 ` [PATCH net-next 15/15] sctp: enable udp tunneling socks Xin Long 2020-09-29 13:49 ` Xin Long 2020-10-03 4:12 ` Marcelo Ricardo Leitner 2020-10-03 4:12 ` Marcelo Ricardo Leitner 2020-10-03 8:20 ` Xin Long 2020-10-03 8:20 ` Xin Long 2020-09-29 16:25 ` [PATCH net-next 13/15] sctp: support for sending packet over udp4 sock kernel test robot 2020-09-29 16:25 ` kernel test robot 2020-09-30 6:26 ` Xin Long 2020-09-30 6:26 ` Xin Long 2020-09-29 19:19 ` kernel test robot 2020-09-29 19:19 ` kernel test robot 2020-10-03 4:09 ` [PATCH net-next 12/15] sctp: call sk_setup_caps in sctp_packet_transmit instead Marcelo Ricardo Leitner 2020-10-03 4:09 ` Marcelo Ricardo Leitner 2020-10-03 7:45 ` Xin Long 2020-10-03 7:45 ` Xin Long 2020-09-29 19:00 ` [PATCH net-next 11/15] sctp: add udphdr to overhead when udp_port is set kernel test robot 2020-09-29 19:00 ` kernel test robot 2020-10-03 4:08 ` Marcelo Ricardo Leitner 2020-10-03 4:08 ` Marcelo Ricardo Leitner 2020-10-03 7:57 ` Xin Long 2020-10-03 8:12 ` Xin Long 2020-10-03 11:23 ` Xin Long 2020-10-03 11:23 ` Xin Long 2020-10-03 12:24 ` Xin Long 2020-10-03 12:24 ` Xin Long 2020-10-05 19:01 ` Marcelo Ricardo Leitner 2020-10-05 19:01 ` Marcelo Ricardo Leitner 2020-10-05 20:08 ` Michael Tuexen 2020-10-05 20:08 ` Michael Tuexen 2020-10-08 9:37 ` Xin Long 2020-10-08 9:37 ` Xin Long 2020-10-03 4:07 ` Marcelo Ricardo Leitner 2020-10-03 4:07 ` Marcelo Ricardo Leitner 2020-10-03 7:54 ` Xin Long 2020-10-03 7:54 ` Xin Long 2020-10-03 4:06 ` [PATCH net-next 10/15] sctp: allow changing transport encap_port by peer packets Marcelo Ricardo Leitner 2020-10-03 4:06 ` Marcelo Ricardo Leitner 2020-10-03 4:05 ` Marcelo Ricardo Leitner [this message] 2020-10-03 4:05 ` [PATCH net-next 09/15] sctp: add SCTP_REMOTE_UDP_ENCAPS_PORT sockopt Marcelo Ricardo Leitner 2020-10-03 7:41 ` Xin Long 2020-10-03 7:41 ` Xin Long 2020-10-03 4:04 ` [PATCH net-next 03/15] udp: do checksum properly in skb_udp_tunnel_segment Marcelo Ricardo Leitner 2020-10-03 4:04 ` Marcelo Ricardo Leitner 2020-10-03 7:40 ` Xin Long 2020-10-03 7:40 ` Xin Long 2020-09-29 16:39 ` [PATCH net-next 00/15] sctp: Implement RFC6951: UDP Encapsulation of SCTP Michael Tuexen 2020-09-29 16:39 ` Michael Tuexen 2020-09-29 17:49 ` Xin Long 2020-09-29 18:04 ` Xin Long 2020-10-01 12:41 ` Marcelo Ricardo Leitner 2020-10-01 12:41 ` Marcelo Ricardo Leitner
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