diff options
Diffstat (limited to 'proto/babel/babel.h')
| -rw-r--r-- | proto/babel/babel.h | 42 |
1 files changed, 25 insertions, 17 deletions
diff --git a/proto/babel/babel.h b/proto/babel/babel.h index 6a95d82f..fccb60c9 100644 --- a/proto/babel/babel.h +++ b/proto/babel/babel.h @@ -21,11 +21,7 @@ #include "lib/lists.h" #include "lib/socket.h" #include "lib/string.h" -#include "lib/timer.h" - -#ifndef IPV6 -#error "The Babel protocol only speaks IPv6" -#endif +#include "sysdep/unix/timer.h" #define EA_BABEL_METRIC EA_CODE(EAP_BABEL, 0) #define EA_BABEL_ROUTER_ID EA_CODE(EAP_BABEL, 1) @@ -56,7 +52,7 @@ /* Max interval that will not overflow when carried as 16-bit centiseconds */ #define BABEL_MAX_INTERVAL (0xFFFF/BABEL_TIME_UNITS) -#define BABEL_OVERHEAD (SIZE_OF_IP_HEADER+UDP_HEADER_LENGTH) +#define BABEL_OVERHEAD (IP6_HEADER_LENGTH+UDP_HEADER_LENGTH) #define BABEL_MIN_MTU (512 + BABEL_OVERHEAD) @@ -82,6 +78,11 @@ enum babel_tlv_type { BABEL_TLV_MAX }; +enum babel_subtlv_type { + BABEL_SUBTLV_PAD1 = 0, + BABEL_SUBTLV_PADN = 1 +}; + enum babel_iface_type { /* In practice, UNDEF and WIRED give equivalent behaviour */ BABEL_IFACE_TYPE_UNDEF = 0, @@ -120,12 +121,20 @@ struct babel_iface_config { u16 tx_length; /* TX packet length limit (including headers), 0 for MTU */ int tx_tos; int tx_priority; + + ip_addr next_hop_ip4; + ip_addr next_hop_ip6; }; struct babel_proto { struct proto p; timer *timer; - struct fib rtable; + struct fib ip4_rtable; + struct fib ip6_rtable; + + struct channel *ip4_channel; + struct channel *ip6_channel; + list interfaces; /* Interfaces we really know about (struct babel_iface) */ u64 router_id; u16 update_seqno; /* To be increased on request */ @@ -155,6 +164,8 @@ struct babel_iface { char *ifname; sock *sk; ip_addr addr; + ip_addr next_hop_ip4; + ip_addr next_hop_ip6; int tx_length; list neigh_list; /* List of neighbors seen on this iface (struct babel_neighbor) */ list msg_queue; @@ -212,7 +223,6 @@ struct babel_route { }; struct babel_entry { - struct fib_node n; struct babel_proto *proto; struct babel_route *selected_in; struct babel_route *selected_out; @@ -221,13 +231,14 @@ struct babel_entry { list sources; /* Source entries for this prefix (struct babel_source). */ list routes; /* Routes for this prefix (struct babel_route) */ + + struct fib_node n; }; /* Stores forwarded seqno requests for duplicate suppression. */ struct babel_seqno_request { node n; - ip_addr prefix; - u8 plen; + net_addr net; u64 router_id; u16 seqno; bird_clock_t updated; @@ -269,12 +280,11 @@ struct babel_msg_ihu { struct babel_msg_update { u8 type; u8 wildcard; - u8 plen; u16 interval; u16 seqno; u16 metric; - ip_addr prefix; u64 router_id; + net_addr net; ip_addr next_hop; ip_addr sender; }; @@ -282,17 +292,15 @@ struct babel_msg_update { struct babel_msg_route_request { u8 type; u8 full; - u8 plen; - ip_addr prefix; + net_addr net; }; struct babel_msg_seqno_request { u8 type; - u8 plen; - u16 seqno; u8 hop_count; + u16 seqno; u64 router_id; - ip_addr prefix; + net_addr net; ip_addr sender; }; |