diff options
Diffstat (limited to 'lib/kernel/doc/src/gen_tcp.xml')
-rw-r--r-- | lib/kernel/doc/src/gen_tcp.xml | 28 |
1 files changed, 27 insertions, 1 deletions
diff --git a/lib/kernel/doc/src/gen_tcp.xml b/lib/kernel/doc/src/gen_tcp.xml index e6104b0c76..24d63693fd 100644 --- a/lib/kernel/doc/src/gen_tcp.xml +++ b/lib/kernel/doc/src/gen_tcp.xml @@ -4,7 +4,7 @@ <erlref> <header> <copyright> - <year>1997</year><year>2017</year> + <year>1997</year><year>2018</year> <holder>Ericsson AB. All Rights Reserved.</holder> </copyright> <legalnotice> @@ -70,6 +70,32 @@ do_recv(Sock, Bs) -> <name name="option"/> </datatype> <datatype> + <name name="pktoptions_value"/> + <desc> + <p> + If the platform implements the IPv4 option + <c>IP_PKTOPTIONS</c>, or the IPv6 option + <c>IPV6_PKTOPTIONS</c> or <c>IPV6_2292PKTOPTIONS</c> for the socket + this value is returned from + <seealso marker="inet#getopts/2"><c>inet:getopts/2</c></seealso> + when called with the option name + <seealso marker="#type-option_name"><c>pktoptions</c></seealso>. + </p> + <note> + <p> + This option appears to be VERY Linux specific, + and its existence in future Linux kernel versions + is also worrying since the option is part of RFC 2292 + which is since long (2003) obsoleted by RFC 3542 + that <em>explicitly</em> removes this possibility to get + packet information from a stream socket. + For comparision: it has existed in FreeBSD but is now removed, + at least since FreeBSD 10. + </p> + </note> + </desc> + </datatype> + <datatype> <name name="option_name"/> </datatype> <datatype> |