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| author | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2023-02-15 15:13:19 +0100 |
|---|---|---|
| committer | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2023-02-15 15:14:06 +0100 |
| commit | 4738bc218510392ba640c11b14badee345ff63df (patch) | |
| tree | 788dc3f029ad692a7f3c40325ca855783ff519ff /bits | |
| parent | bf33bf594803642d21ddd90c12fe6aad208716ea (diff) | |
| download | glibc-4738bc218510392ba640c11b14badee345ff63df.tar.gz glibc-4738bc218510392ba640c11b14badee345ff63df.tar.xz glibc-4738bc218510392ba640c11b14badee345ff63df.zip | |
[hurd] Add MTU_DISCOVER values
Diffstat (limited to 'bits')
| -rw-r--r-- | bits/in.h | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/bits/in.h b/bits/in.h index 7ce455fb6c..10aa2a71c5 100644 --- a/bits/in.h +++ b/bits/in.h @@ -44,6 +44,18 @@ #define IP_ADD_MEMBERSHIP 12 /* ip_mreq; add an IP group membership */ #define IP_DROP_MEMBERSHIP 13 /* ip_mreq; drop an IP group membership */ +/* IP_MTU_DISCOVER arguments. */ +#define IP_PMTUDISC_DONT 0 /* Never send DF frames. */ +#define IP_PMTUDISC_WANT 1 /* Use per route hints. */ +#define IP_PMTUDISC_DO 2 /* Always DF. */ +#define IP_PMTUDISC_PROBE 3 /* Ignore dst pmtu. */ +/* Always use interface mtu (ignores dst pmtu) but don't set DF flag. + Also incoming ICMP frag_needed notifications will be ignored on + this socket to prevent accepting spoofed ones. */ +#define IP_PMTUDISC_INTERFACE 4 +/* Like IP_PMTUDISC_INTERFACE but allow packets to be fragmented. */ +#define IP_PMTUDISC_OMIT 5 + #ifdef __USE_MISC /* Structure used to describe IP options for IP_OPTIONS and IP_RETOPTS. The `ip_dst' field is used for the first-hop gateway when using a @@ -88,6 +100,14 @@ struct ip_opts #define IPV6_JOIN_ANYCAST 27 #define IPV6_LEAVE_ANYCAST 28 +/* IPV6_MTU_DISCOVER values. */ +#define IPV6_PMTUDISC_DONT 0 /* Never send DF frames. */ +#define IPV6_PMTUDISC_WANT 1 /* Use per route hints. */ +#define IPV6_PMTUDISC_DO 2 /* Always DF. */ +#define IPV6_PMTUDISC_PROBE 3 /* Ignore dst pmtu. */ +#define IPV6_PMTUDISC_INTERFACE 4 /* See IP_PMTUDISC_INTERFACE. */ +#define IPV6_PMTUDISC_OMIT 5 /* See IP_PMTUDISC_OMIT. */ + /* Advanced API (RFC3542) (1). */ #define IPV6_RECVPKTINFO 49 #define IPV6_PKTINFO 50 |