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Message-ID: <CANn89iJmmENm6DTP4qjkN23j_KT7ZS_hweR5qks4VETsUzA_eQ@mail.gmail.com> Date: Tue, 10 Jan 2023 15:28:58 +0100 From: Eric Dumazet <edumazet@...gle.com> To: Jakub Sitnicki <jakub@...udflare.com> Cc: netdev@...r.kernel.org, "David S. Miller" <davem@...emloft.net>, Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>, Kuniyuki Iwashima <kuniyu@...zon.com>, kernel-team@...udflare.com, Marek Majkowski <marek@...udflare.com> Subject: Re: [PATCH net-next v2 1/2] inet: Add IP_LOCAL_PORT_RANGE socket option On Tue, Jan 10, 2023 at 2:37 PM Jakub Sitnicki <jakub@...udflare.com> wrote: > > Users who want to share a single public IP address for outgoing connections > between several hosts traditionally reach for SNAT. However, SNAT requires > state keeping on the node(s) performing the NAT. > > v1 -> v2: > * Fix the corner case when the per-socket range doesn't overlap with the > per-netns range. Fallback correctly to the per-netns range. (Kuniyuki) > > Reviewed-by: Marek Majkowski <marek@...udflare.com> > Signed-off-by: Jakub Sitnicki <jakub@...udflare.com> > --- > include/net/inet_sock.h | 4 ++++ > include/net/ip.h | 3 ++- > include/uapi/linux/in.h | 1 + > net/ipv4/inet_connection_sock.c | 25 +++++++++++++++++++++++-- > net/ipv4/inet_hashtables.c | 2 +- > net/ipv4/ip_sockglue.c | 18 ++++++++++++++++++ > net/ipv4/udp.c | 2 +- > 7 files changed, 50 insertions(+), 5 deletions(-) Being an INET option, I think net/sctp/socket.c should also be changed. Not clear if selinux_socket_bind() needs any change, I would CC SELINUX maintainers for advice.
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