diff options
Diffstat (limited to 'include/uapi/linux/in.h')
-rw-r--r-- | include/uapi/linux/in.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/include/uapi/linux/in.h b/include/uapi/linux/in.h index f9e8e496ae5d..393c5de09d42 100644 --- a/include/uapi/linux/in.h +++ b/include/uapi/linux/in.h | |||
@@ -115,6 +115,11 @@ struct in_addr { | |||
115 | #define IP_PMTUDISC_WANT 1 /* Use per route hints */ | 115 | #define IP_PMTUDISC_WANT 1 /* Use per route hints */ |
116 | #define IP_PMTUDISC_DO 2 /* Always DF */ | 116 | #define IP_PMTUDISC_DO 2 /* Always DF */ |
117 | #define IP_PMTUDISC_PROBE 3 /* Ignore dst pmtu */ | 117 | #define IP_PMTUDISC_PROBE 3 /* Ignore dst pmtu */ |
118 | /* Always use interface mtu (ignores dst pmtu) but don't set DF flag. | ||
119 | * Also incoming ICMP frag_needed notifications will be ignored on | ||
120 | * this socket to prevent accepting spoofed ones. | ||
121 | */ | ||
122 | #define IP_PMTUDISC_INTERFACE 4 | ||
118 | 123 | ||
119 | #define IP_MULTICAST_IF 32 | 124 | #define IP_MULTICAST_IF 32 |
120 | #define IP_MULTICAST_TTL 33 | 125 | #define IP_MULTICAST_TTL 33 |