lib, bgpd: Fixup afi_t to be an enum and cleanup zebra.h

This code change does two things:

1) Removes ZEBRA_AFI_XXX #defines since they were redundant information
2) Switches afi_t to an enumerated type so that the compiler
can do a bit more compile time checking.

Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
(cherry picked from commit f3cfc46450cccc5ac035a5a97c5a1a5484205705)

Conflicts:
	bgpd/bgp_open.c
	bgpd/bgp_open.h
	bgpd/bgp_routemap.c
This commit is contained in:
Donald Sharp 2016-01-07 09:33:28 -05:00 committed by vivek
parent ff75b6c05b
commit e978e1de98
4 changed files with 32 additions and 37 deletions

View File

@ -175,23 +175,23 @@ bgp_afi_safi_valid_indices (afi_t afi, safi_t *safi)
{
switch (afi)
{
case AFI_IP:
#ifdef HAVE_IPV6
case AFI_IP6:
#endif
switch (*safi)
{
/* BGP MPLS-labeled VPN SAFI isn't contigious with others, remap */
case SAFI_MPLS_LABELED_VPN:
*safi = SAFI_MPLS_VPN;
case SAFI_UNICAST:
case SAFI_MULTICAST:
case SAFI_MPLS_VPN:
return 1;
}
case AFI_IP:
case AFI_IP6:
switch (*safi)
{
/* BGP MPLS-labeled VPN SAFI isn't contigious with others, remap */
case SAFI_MPLS_LABELED_VPN:
*safi = SAFI_MPLS_VPN;
case SAFI_UNICAST:
case SAFI_MULTICAST:
case SAFI_MPLS_VPN:
return 1;
}
break;
}
zlog_debug ("unknown afi/safi (%u/%u)", afi, *safi);
return 0;
}
@ -287,7 +287,7 @@ bgp_capability_orf_entry (struct peer *peer, struct capability_header *hdr)
}
/* validate number field */
if (sizeof (struct capability_orf_entry) + (entry.num * 2) > hdr->length)
if (CAPABILITY_CODE_ORF_LEN + (entry.num * 2) > hdr->length)
{
zlog_info ("%s ORF Capability entry length error,"
" Cap length %u, num %u",
@ -699,17 +699,17 @@ static const int capcode_str_max = array_size(capcode_str);
/* Minimum sizes for length field of each cap (so not inc. the header) */
static const size_t cap_minsizes[] =
{
[CAPABILITY_CODE_MP] = sizeof (struct capability_mp_data),
[CAPABILITY_CODE_MP] = CAPABILITY_CODE_MP_LEN,
[CAPABILITY_CODE_REFRESH] = CAPABILITY_CODE_REFRESH_LEN,
[CAPABILITY_CODE_ORF] = sizeof (struct capability_orf_entry),
[CAPABILITY_CODE_RESTART] = sizeof (struct capability_gr),
[CAPABILITY_CODE_ORF] = CAPABILITY_CODE_ORF_LEN,
[CAPABILITY_CODE_RESTART] = 6,
[CAPABILITY_CODE_AS4] = CAPABILITY_CODE_AS4_LEN,
[CAPABILITY_CODE_ADDPATH] = CAPABILITY_CODE_ADDPATH_LEN,
[CAPABILITY_CODE_DYNAMIC] = CAPABILITY_CODE_DYNAMIC_LEN,
[CAPABILITY_CODE_DYNAMIC_OLD] = CAPABILITY_CODE_DYNAMIC_LEN,
[CAPABILITY_CODE_ENHE] = CAPABILITY_CODE_ENHE_LEN,
[CAPABILITY_CODE_REFRESH_OLD] = CAPABILITY_CODE_REFRESH_LEN,
[CAPABILITY_CODE_ORF_OLD] = sizeof (struct capability_orf_entry),
[CAPABILITY_CODE_ORF_OLD] = CAPABILITY_CODE_ORF_LEN,
[CAPABILITY_CODE_FQDN] = CAPABILITY_CODE_MIN_FQDN_LEN,
};

View File

@ -89,7 +89,8 @@ struct capability_gr
#define CAPABILITY_CODE_AS4_LEN 4
#define CAPABILITY_CODE_ADDPATH_LEN 4
#define CAPABILITY_CODE_ENHE_LEN 6 /* NRLI AFI = 2, SAFI = 2, Nexthop AFI = 2 */
#define CAPABILITY_CODE_MIN_FQDN_LEN 2
#define CAPABILITY_CODE_MIN_FQDN_LEN 2
#define CAPABILITY_CODE_ORF_LEN 5
/* Cooperative Route Filtering Capability. */

View File

@ -922,8 +922,9 @@ vty_prefix_list_install (struct vty *vty, afi_t afi, const char *name,
}
/* "any" is special token for matching any IPv4 addresses. */
if (afi == AFI_IP)
switch (afi)
{
case AFI_IP:
if (strncmp ("any", prefix, strlen (prefix)) == 0)
{
ret = str2prefix_ipv4 ("0.0.0.0/0", (struct prefix_ipv4 *) &p);
@ -939,10 +940,8 @@ vty_prefix_list_install (struct vty *vty, afi_t afi, const char *name,
vty_out (vty, "%% Malformed IPv4 prefix%s", VTY_NEWLINE);
return CMD_WARNING;
}
}
#ifdef HAVE_IPV6
else if (afi == AFI_IP6)
{
break;
case AFI_IP6:
if (strncmp ("any", prefix, strlen (prefix)) == 0)
{
ret = str2prefix_ipv6 ("::/0", (struct prefix_ipv6 *) &p);
@ -958,8 +957,8 @@ vty_prefix_list_install (struct vty *vty, afi_t afi, const char *name,
vty_out (vty, "%% Malformed IPv6 prefix%s", VTY_NEWLINE);
return CMD_WARNING;
}
break;
}
#endif /* HAVE_IPV6 */
/* ge and le check. */
if (genum && (genum <= p.prefixlen))

View File

@ -475,11 +475,6 @@ extern int proto_redistnum(int afi, const char *s);
extern const char *zserv_command_string (unsigned int command);
/* Zebra's family types. */
#define ZEBRA_FAMILY_IPV4 1
#define ZEBRA_FAMILY_IPV6 2
#define ZEBRA_FAMILY_MAX 3
/* Error codes of zebra. */
#define ZEBRA_ERR_NOERROR 0
#define ZEBRA_ERR_RTEXIST -1
@ -513,9 +508,11 @@ extern const char *zserv_command_string (unsigned int command);
#endif
/* Address family numbers from RFC1700. */
#define AFI_IP 1
#define AFI_IP6 2
#define AFI_MAX 3
typedef enum {
AFI_IP = 1,
AFI_IP6 = 2,
#define AFI_MAX 3
} afi_t;
/* Subsequent Address Family Identifier. */
#define SAFI_UNICAST 1
@ -549,8 +546,6 @@ extern const char *zserv_command_string (unsigned int command);
#define UNSET_FLAG(V,F) (V) &= ~(F)
#define RESET_FLAG(V) (V) = 0
/* AFI and SAFI type. */
typedef u_int16_t afi_t;
typedef u_int8_t safi_t;
/* Zebra types. Used in Zserv message header. */