diff options
Diffstat (limited to 'lib/prefix.h')
| -rw-r--r-- | lib/prefix.h | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/lib/prefix.h b/lib/prefix.h index f665f55dfd..3ebf615468 100644 --- a/lib/prefix.h +++ b/lib/prefix.h @@ -116,7 +116,18 @@ struct evpn_addr { #endif #endif -/* IPv4 and IPv6 unified prefix structure. */ +/* The 'family' in the prefix structure is internal to FRR and need not + * map to standard OS AF_ definitions except where needed for interacting + * with the kernel. However, AF_ definitions are currently in use and + * prevalent across the code. Define a new FRR-specific AF for EVPN to + * distinguish between 'ethernet' (MAC-only) and 'evpn' prefixes and + * ensure it does not conflict with any OS AF_ definition. + */ +#if !defined(AF_EVPN) +#define AF_EVPN (AF_MAX + 1) +#endif + +/* FRR generic prefix structure. */ struct prefix { u_char family; u_char prefixlen; @@ -131,7 +142,7 @@ struct prefix { struct ethaddr prefix_eth; /* AF_ETHERNET */ u_char val[8]; uintptr_t ptr; - struct evpn_addr prefix_evpn; + struct evpn_addr prefix_evpn; /* AF_EVPN */ } u __attribute__((aligned(8))); }; |