diff options
Diffstat (limited to 'sys/netgraph/ng_message.h')
| -rw-r--r-- | sys/netgraph/ng_message.h | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/sys/netgraph/ng_message.h b/sys/netgraph/ng_message.h index 3eb6096..993768d 100644 --- a/sys/netgraph/ng_message.h +++ b/sys/netgraph/ng_message.h @@ -54,7 +54,7 @@ /* A netgraph message */ struct ng_mesg { struct ng_msghdr { - u_char version; /* must == NG_VERSION */ + u_char version; /* == NGM_VERSION */ u_char spare; /* pad to 2 bytes */ u_int16_t arglen; /* length of data */ u_int32_t flags; /* message status */ @@ -66,6 +66,7 @@ struct ng_mesg { char data[0]; /* placeholder for actual data */ }; + /* Keep this in sync with the above structure definition */ #define NG_GENERIC_NG_MESG_INFO(dtype) { \ { \ @@ -82,7 +83,11 @@ struct ng_mesg { } \ } -/* Negraph type binary compatibility field */ +/* + * Netgraph message header compatibility field + * Interfaces within the kernel are defined by a different + * value (see NG_ABI_VERSION in netgraph.g) + */ #define NG_VERSION 4 /* Flags field flags */ |
