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| author |   Maxim Galaganov <max@internet.ru> | 2023-12-19 22:31:06 +0100 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2023-12-26 22:33:21 +0000 |
| commit | c85636a2926424c70e13925db734eaca14f6367c (patch) | |
| tree | 3f0aef57425c411b1cb8ede9f69c4d6611672638 /drivers/net/macsec.c | |
| parent | mptcp: rename mptcp_setsockopt_sol_ip_set_transparent() (diff) | |
| download | wireguard-linux-c85636a2926424c70e13925db734eaca14f6367c.tar.xz wireguard-linux-c85636a2926424c70e13925db734eaca14f6367c.zip | |
mptcp: sockopt: support IP_LOCAL_PORT_RANGE and IP_BIND_ADDRESS_NO_PORT
Support for IP_BIND_ADDRESS_NO_PORT sockopt was introduced in [1].
Recently [2] allowed its value to be accessed without locking the
socket.
Support for (newer) IP_LOCAL_PORT_RANGE sockopt was introduced in [3].
In the same series a selftest was added in [4]. This selftest also
covers the IP_BIND_ADDRESS_NO_PORT sockopt.
This patch enables getsockopt()/setsockopt() on MPTCP sockets for these
socket options, syncing set values to subflows in sync_socket_options().
Ephemeral port range is synced to subflows, enabling NAT usecase
described in [3].
[1] commit 90c337da1524 ("inet: add IP_BIND_ADDRESS_NO_PORT to overcome
bind(0) limitations")
[2] commit ca571e2eb7eb ("inet: move inet->bind_address_no_port to
inet->inet_flags")
[3] commit 91d0b78c5177 ("inet: Add IP_LOCAL_PORT_RANGE socket option")
[4] commit ae5439658cce ("selftests/net: Cover the IP_LOCAL_PORT_RANGE
socket option")
Signed-off-by: Maxim Galaganov <max@internet.ru>
Reviewed-by: Mat Martineau <martineau@kernel.org>
Signed-off-by: Matthieu Baerts <matttbe@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/macsec.c')
0 files changed, 0 insertions, 0 deletions