From: Xin Long <lucien.xin@gmail.com>
To: network dev <netdev@vger.kernel.org>, linux-sctp@vger.kernel.org
Cc: davem@davemloft.net, kuba@kernel.org,
Eric Dumazet <edumazet@google.com>,
Paolo Abeni <pabeni@redhat.com>,
Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>,
Neil Horman <nhorman@tuxdriver.com>,
David Ahern <dsahern@gmail.com>,
Carlo Carraro <colrack@gmail.com>
Subject: [PATCH net-next 0/7] sctp: support vrf processing
Date: Sun, 13 Nov 2022 11:44:36 -0500 [thread overview]
Message-ID: <cover.1668357542.git.lucien.xin@gmail.com> (raw)
This patchset adds the VRF processing in SCTP. Simliar to TCP/UDP,
it includes socket bind and socket/association lookup changes.
For socket bind change, it allows sockets to bind to a VRF device
and allows multiple sockets with the same IP and PORT to bind to
different interfaces in patch 1-3.
For socket/association lookup change, it adds dif and sdif check
in both asoc and ep lookup in patch 4 and 5, and when binding to
nodev, users can decide if accept the packets received from one
l3mdev by setup a sysctl option in patch 6.
Note with VRF support, in a netns, an association will be decided
by src ip + src port + dst ip + dst port + bound_dev_if, and it's
possible for ss to have:
# ss --sctp -n
State Local Address:Port Peer Address:Port
ESTAB 192.168.1.2%vrf-s1:1234
`- ESTAB 192.168.1.2%veth1:1234 192.168.1.1:1234
ESTAB 192.168.1.2%vrf-s2:1234
`- ESTAB 192.168.1.2%veth2:1234 192.168.1.1:1234
See the selftest in patch 7 for more usage.
Also, thanks Carlo for testing this patch series on their use.
Xin Long (7):
sctp: verify the bind address with the tb_id from l3mdev
sctp: check ipv6 addr with sk_bound_dev if set
sctp: check sk_bound_dev_if when matching ep in get_port
sctp: add skb_sdif in struct sctp_af
sctp: add dif and sdif check in asoc and ep lookup
sctp: add sysctl net.sctp.l3mdev_accept
selftests: add a selftest for sctp vrf
Documentation/networking/ip-sysctl.rst | 9 ++
include/net/netns/sctp.h | 4 +
include/net/sctp/sctp.h | 16 ++-
include/net/sctp/structs.h | 9 +-
net/sctp/diag.c | 3 +-
net/sctp/endpointola.c | 13 +-
net/sctp/input.c | 98 +++++++-------
net/sctp/ipv6.c | 22 +++-
net/sctp/protocol.c | 19 ++-
net/sctp/socket.c | 9 +-
net/sctp/sysctl.c | 11 ++
tools/testing/selftests/net/Makefile | 2 +
tools/testing/selftests/net/sctp_hello.c | 139 ++++++++++++++++++++
tools/testing/selftests/net/sctp_vrf.sh | 160 +++++++++++++++++++++++
14 files changed, 445 insertions(+), 69 deletions(-)
create mode 100644 tools/testing/selftests/net/sctp_hello.c
create mode 100755 tools/testing/selftests/net/sctp_vrf.sh
--
2.31.1
next reply other threads:[~2022-11-13 16:44 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-11-13 16:44 Xin Long [this message]
2022-11-13 16:44 ` [PATCH net-next 1/7] sctp: verify the bind address with the tb_id from l3mdev Xin Long
2022-11-13 16:44 ` [PATCH net-next 2/7] sctp: check ipv6 addr with sk_bound_dev if set Xin Long
2022-11-13 16:44 ` [PATCH net-next 3/7] sctp: check sk_bound_dev_if when matching ep in get_port Xin Long
2022-11-13 16:44 ` [PATCH net-next 4/7] sctp: add skb_sdif in struct sctp_af Xin Long
2022-11-13 16:44 ` [PATCH net-next 5/7] sctp: add dif and sdif check in asoc and ep lookup Xin Long
[not found] ` <202211140427.Bd5Zjdbe-lkp@intel.com>
2022-11-15 2:38 ` Xin Long
2022-11-15 10:19 ` Paolo Abeni
2022-11-15 15:25 ` Xin Long
2022-11-13 16:44 ` [PATCH net-next 6/7] sctp: add sysctl net.sctp.l3mdev_accept Xin Long
2022-11-13 16:44 ` [PATCH net-next 7/7] selftests: add a selftest for sctp vrf Xin Long
2022-11-15 10:29 ` Paolo Abeni
2022-11-15 15:33 ` Xin Long
2022-11-15 18:07 ` Xin Long
2022-11-15 20:40 ` Paolo Abeni
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