pimd: add more dual-family address bits

Another few definitions to aid in dealing with IPv4 and IPv6.

Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
This commit is contained in:
David Lamparter 2022-01-13 15:14:16 +01:00
parent 3ca68c9cf3
commit a6751e2318
2 changed files with 54 additions and 5 deletions

View File

@ -341,9 +341,6 @@ union prefixconstptr {
prefixtype(prefixconstptr, const struct prefix_rd, rd)
} TRANSPARENT_UNION;
#undef prefixtype
#undef TRANSPARENT_UNION
#ifndef INET_ADDRSTRLEN
#define INET_ADDRSTRLEN 16
#endif /* INET_ADDRSTRLEN */

View File

@ -21,6 +21,9 @@
#define _PIMD_PIM_ADDR_H
#include "jhash.h"
#include "prefix.h"
/* clang-format off */
/* temporarily disable IPv6 types to keep code compiling.
* Defining PIM_V6_TEMP_BREAK will show a lot of compile errors - they are
@ -28,10 +31,39 @@
*/
#if PIM_IPV == 4 || !defined(PIM_V6_TEMP_BREAK)
typedef struct in_addr pim_addr;
#define PIM_ADDRSTRLEN INET_ADDRSTRLEN
#define PIM_ADDRSTRLEN INET_ADDRSTRLEN
#define PIM_AF AF_INET
#define PIM_AFI AFI_IP
#define PIM_MAX_BITLEN IPV4_MAX_BITLEN
union pimprefixptr {
prefixtype(pimprefixptr, struct prefix, p)
prefixtype(pimprefixptr, struct prefix_ipv4, p4)
} TRANSPARENT_UNION;
union pimprefixconstptr {
prefixtype(pimprefixconstptr, const struct prefix, p)
prefixtype(pimprefixconstptr, const struct prefix_ipv4, p4)
} TRANSPARENT_UNION;
#else
typedef struct in6_addr pim_addr;
#define PIM_ADDRSTRLEN INET6_ADDRSTRLEN
#define PIM_ADDRSTRLEN INET6_ADDRSTRLEN
#define PIM_AF AF_INET6
#define PIM_AFI AFI_IP6
#define PIM_MAX_BITLEN IPV6_MAX_BITLEN
union pimprefixptr {
prefixtype(pimprefixptr, struct prefix, p)
prefixtype(pimprefixptr, struct prefix_ipv6, p6)
} TRANSPARENT_UNION;
union pimprefixconstptr {
prefixtype(pimprefixconstptr, const struct prefix, p)
prefixtype(pimprefixconstptr, const struct prefix_ipv6, p6)
} TRANSPARENT_UNION;
#endif
/* for assignment/initialization (C99 compound literal)
@ -39,6 +71,8 @@ typedef struct in6_addr pim_addr;
*/
#define PIMADDR_ANY (pim_addr){ }
/* clang-format on */
static inline bool pim_addr_is_any(pim_addr addr)
{
pim_addr zero = {};
@ -51,6 +85,24 @@ static inline int pim_addr_cmp(pim_addr a, pim_addr b)
return memcmp(&a, &b, sizeof(a));
}
static inline void pim_addr_to_prefix(union pimprefixptr out, pim_addr in)
{
out.p->family = PIM_AF;
out.p->prefixlen = PIM_MAX_BITLEN;
memcpy(out.p->u.val, &in, sizeof(in));
}
static inline pim_addr pim_addr_from_prefix(union pimprefixconstptr in)
{
pim_addr ret;
if (in.p->family != PIM_AF)
return PIMADDR_ANY;
memcpy(&ret, in.p->u.val, sizeof(ret));
return ret;
}
/* don't use this struct directly, use the pim_sgaddr typedef */
struct _pim_sgaddr {
pim_addr grp;