From 34a9570ff833a525fcb295988f9da3d357b290a9 Mon Sep 17 00:00:00 2001 From: Corinna Vinschen Date: Wed, 4 May 2022 20:24:06 +0200 Subject: [PATCH] Cygwin: socket.h: add socket options added in recent Windows releases Add new socket options equivalent to their Linux counterpart. Signed-off-by: Corinna Vinschen --- winsup/cygwin/include/cygwin/socket.h | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) diff --git a/winsup/cygwin/include/cygwin/socket.h b/winsup/cygwin/include/cygwin/socket.h index 0ca8300d9..33f18091c 100644 --- a/winsup/cygwin/include/cygwin/socket.h +++ b/winsup/cygwin/include/cygwin/socket.h @@ -248,10 +248,22 @@ struct OLD_msghdr #define IP_BLOCK_SOURCE 17 #define IP_UNBLOCK_SOURCE 18 #define IP_PKTINFO 19 +#define IP_RECVTTL 21 #define IP_UNICAST_IF 31 +#define IP_RECVTOS 40 +#define IP_MTU_DISCOVER 71 +#define IP_MTU 73 +#define IP_RECVERR 75 + +/* IP_MTU_DISCOVER optvals */ +#define IP_PMTUDISC_WANT 0 /* Use per route hints */ +#define IP_PMTUDISC_DO 1 /* Always DF */ +#define IP_PMTUDISC_DONT 2 /* Never send DF frames */ +#define IP_PMTUDISC_PROBE 3 /* Ignore dst pmtu */ /* IPv6 options for use with getsockopt/setsockopt */ #define IPV6_HOPOPTS 1 +#define IPV6_HDRINCL 2 #define IPV6_UNICAST_HOPS 4 #define IPV6_MULTICAST_IF 9 #define IPV6_MULTICAST_HOPS 10 @@ -270,6 +282,15 @@ struct OLD_msghdr #define IPV6_RECVRTHDR 38 #define IPV6_TCLASS 39 #define IPV6_RECVTCLASS 40 +#define IPV6_MTU_DISCOVER 71 +#define IPV6_MTU 72 +#define IPV6_RECVERR 75 + +/* IPV6_MTU_DISCOVER optvals */ +#define IPV6_PMTUDISC_WANT 0 /* Use per route hints */ +#define IPV6_PMTUDISC_DO 1 /* Always DF */ +#define IPV6_PMTUDISC_DONT 2 /* Never send DF frames */ +#define IPV6_PMTUDISC_PROBE 3 /* Ignore dst pmtu */ /* IP agnostic options for use with getsockopt/setsockopt */ #define MCAST_JOIN_GROUP 41