diff options
Diffstat (limited to 'include/net/protocol.h')
| -rw-r--r-- | include/net/protocol.h | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/include/net/protocol.h b/include/net/protocol.h index 875f4895b033..a1b1b530c338 100644 --- a/include/net/protocol.h +++ b/include/net/protocol.h @@ -29,8 +29,11 @@ #include <linux/ipv6.h> #endif -#define MAX_INET_PROTOS 256 /* Must be a power of 2 */ - +/* This is one larger than the largest protocol value that can be + * found in an ipv4 or ipv6 header. Since in both cases the protocol + * value is presented in a __u8, this is defined to be 256. + */ +#define MAX_INET_PROTOS 256 /* This is used to register protocols. */ struct net_protocol { |