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| author | Ondrej Zajicek <santiago@crfreenet.org> | 2009-10-29 23:57:42 +0100 |
|---|---|---|
| committer | Ondrej Zajicek <santiago@crfreenet.org> | 2009-10-29 23:57:42 +0100 |
| commit | a6bc04d59130c49a1dbfadffa4285b11e2ff4939 (patch) | |
| tree | b5f453dc5fbe20204883149e1bc153905f356709 /proto/ospf/ospf.h | |
| parent | 9d4d38d1a5d67f5485d2b2fa439c879583dfdcb0 (diff) | |
| download | bird-a6bc04d59130c49a1dbfadffa4285b11e2ff4939.tar bird-a6bc04d59130c49a1dbfadffa4285b11e2ff4939.zip | |
Implements better checks on incoming packets and LSAs in OSPF.
Diffstat (limited to 'proto/ospf/ospf.h')
| -rw-r--r-- | proto/ospf/ospf.h | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/proto/ospf/ospf.h b/proto/ospf/ospf.h index d826c73..3e33e45 100644 --- a/proto/ospf/ospf.h +++ b/proto/ospf/ospf.h @@ -438,6 +438,8 @@ struct ospf_lsa_ext u32 tag; }; +#define LSA_SUM_TOS 0xFF000000 +#define LSA_EXT_TOS 0x7F000000 #define LSA_EXT_EBIT 0x80000000 /* Endianity swap for lsa->type */ @@ -545,6 +547,9 @@ lsa_net_count(struct ospf_lsa_header *lsa) #ifdef OSPFv3 +#define IPV6_PREFIX_SPACE(x) ((((x) + 63) / 32) * 4) +#define IPV6_PREFIX_WORDS(x) (((x) + 63) / 32) + static inline u32 * lsa_get_ipv6_prefix(u32 *buf, ip_addr *addr, int *pxlen, u8 *pxopts, u16 *rest) { @@ -575,6 +580,29 @@ lsa_get_ipv6_addr(u32 *buf, ip_addr *addr) return buf + 4; } +static inline u32 * +put_ipv6_prefix(u32 *buf, ip_addr addr, u8 pxlen, u8 pxopts, u16 lh) +{ + *buf++ = ((pxlen << 24) | (pxopts << 16) | lh); + + if (pxlen > 0) + *buf++ = _I0(addr); + if (pxlen > 32) + *buf++ = _I1(addr); + if (pxlen > 64) + *buf++ = _I2(addr); + if (pxlen > 96) + *buf++ = _I3(addr); + return buf; +} + +static inline u32 * +put_ipv6_addr(u32 *buf, ip_addr addr) +{ + *(ip_addr *) buf = addr; + return buf + 4; +} + #endif |