Hi Jakub, On 2/1/23 13:36, Jakub Sitnicki wrote: > Linux commit 91d0b78c5177 ("inet: Add IP_LOCAL_PORT_RANGE socket option") > introduced a new socket option available for AF_INET and AF_INET6 sockets. > > Option will be available starting from Linux 6.3. Document it. > > Signed-off-by: Jakub Sitnicki > --- > Submitting this man page update as the author of the feature. > > We did a technical review of the man page text together with the code [1]. The formatting LGTM. Could you please resend when it arrives to Linus's tree? Cheers, Alex > > [1]: https://lore.kernel.org/all/20221221-sockopt-port-range-v6-0-be255cc0e51f@cloudflare.com/ > --- > man7/ip.7 | 21 +++++++++++++++++++++ > 1 file changed, 21 insertions(+) > > diff --git a/man7/ip.7 b/man7/ip.7 > index f69af1b32..f166c3b57 100644 > --- a/man7/ip.7 > +++ b/man7/ip.7 > @@ -439,6 +439,27 @@ and > .B IP_TOS > are ignored. > .TP > +.BR IP_LOCAL_PORT_RANGE " (since Linux 6.3)" > +Set or get the per-socket default local port range. This option can be used to > +clamp down the global local port range, defined by the > +.I ip_local_port_range > +.I /proc > +interface described below, for a given socket. > +.IP > +The option takes an > +.I uint32_t > +value with the high 16 bits set to the upper range bound, and the low 16 bits > +set to the lower range bound. Range bounds are inclusive. The 16-bit values > +should be in host byte order. > +.IP > +The lower bound has to be less than the upper bound when both bounds are not > +zero. Otherwise, setting the option fails with EINVAL. > +.IP > +If either bound is outside of the global local port range, or is zero, then that > +bound has no effect. > +.IP > +To reset the setting, pass zero as both the upper and the lower bound. > +.TP > .BR IP_MSFILTER " (since Linux 2.4.22 / 2.5.68)" > This option provides access to the advanced full-state filtering API. > Argument is an -- GPG key fingerprint: A9348594CE31283A826FBDD8D57633D441E25BB5