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commit 7c70f2272edd4efcc4525f1bbb50e92de1a27a57
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Author: Mike Frysinger <vapier@gentoo.org>
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Date:   Thu Jan 30 18:56:56 2014 -0500
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    linux: bits/in.h: sync with latest kernel headers
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    This pulls in the latest defines for {g,s}etsockopt.
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    Reviewed-by: Carlos O'Donell <carlos@redhat.com>
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    Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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diff --git a/sysdeps/unix/sysv/linux/bits/in.h b/sysdeps/unix/sysv/linux/bits/in.h
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index 022082da1c0ca9f7..ac07d17d0e9dc9c9 100644
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--- a/sysdeps/unix/sysv/linux/bits/in.h
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+++ b/sysdeps/unix/sysv/linux/bits/in.h
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@@ -98,13 +98,37 @@
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 #define IP_RECVORIGDSTADDR   IP_ORIGDSTADDR
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 #define IP_MINTTL       21
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-
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+#define IP_NODEFRAG     22
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 /* IP_MTU_DISCOVER arguments.  */
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 #define IP_PMTUDISC_DONT   0	/* Never send DF frames.  */
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 #define IP_PMTUDISC_WANT   1	/* Use per route hints.  */
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 #define IP_PMTUDISC_DO     2	/* Always DF.  */
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 #define IP_PMTUDISC_PROBE  3	/* Ignore dst pmtu.  */
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+/* Always use interface mtu (ignores dst pmtu) but don't set DF flag.
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+   Also incoming ICMP frag_needed notifications will be ignored on
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+   this socket to prevent accepting spoofed ones.  */
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+#define IP_PMTUDISC_INTERFACE           4
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+
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+#define IP_MULTICAST_IF			32
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+#define IP_MULTICAST_TTL 		33
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+#define IP_MULTICAST_LOOP 		34
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+#define IP_ADD_MEMBERSHIP		35
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+#define IP_DROP_MEMBERSHIP		36
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+#define IP_UNBLOCK_SOURCE		37
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+#define IP_BLOCK_SOURCE			38
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+#define IP_ADD_SOURCE_MEMBERSHIP	39
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+#define IP_DROP_SOURCE_MEMBERSHIP	40
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+#define IP_MSFILTER			41
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+#define MCAST_JOIN_GROUP		42
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+#define MCAST_BLOCK_SOURCE		43
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+#define MCAST_UNBLOCK_SOURCE		44
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+#define MCAST_LEAVE_GROUP		45
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+#define MCAST_JOIN_SOURCE_GROUP		46
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+#define MCAST_LEAVE_SOURCE_GROUP	47
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+#define MCAST_MSFILTER			48
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+#define IP_MULTICAST_ALL		49
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+#define IP_UNICAST_IF			50
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 /* To select the IP level.  */
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 #define SOL_IP	0