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// SPDX-License-Identifier: GPL-2.0-or-later
/*
*
* Copyright 2009-2016, LabN Consulting, L.L.C.
*
*/
#include "lib/zebra.h"
#include "lib/prefix.h"
#include "lib/agg_table.h"
#include "lib/vty.h"
#include "lib/memory.h"
#include "lib/skiplist.h"
#include "bgpd/bgpd.h"
#include "bgpd/rfapi/bgp_rfapi_cfg.h"
#include "bgpd/rfapi/rfapi.h"
#include "bgpd/rfapi/rfapi_backend.h"
#include "bgpd/rfapi/rfapi_import.h"
#include "bgpd/rfapi/rfapi_private.h"
#include "bgpd/rfapi/rfapi_nve_addr.h"
#include "bgpd/rfapi/rfapi_vty.h"
#include "bgpd/rfapi/vnc_debug.h"
#define DEBUG_NVE_ADDR 0
void rfapiNveAddr2Str(struct rfapi_nve_addr *, char *, int);
#if DEBUG_NVE_ADDR
static void logdifferent(const char *tag, struct rfapi_nve_addr *a,
struct rfapi_nve_addr *b)
{
char a_str[BUFSIZ];
char b_str[BUFSIZ];
rfapiNveAddr2Str(a, a_str, BUFSIZ);
rfapiNveAddr2Str(b, b_str, BUFSIZ);
vnc_zlog_debug_verbose("%s: [%s] [%s]", tag, a_str, b_str);
}
#endif
int rfapi_nve_addr_cmp(const void *k1, const void *k2)
{
const struct rfapi_nve_addr *a = (struct rfapi_nve_addr *)k1;
const struct rfapi_nve_addr *b = (struct rfapi_nve_addr *)k2;
int ret = 0;
if (!a || !b) {
#if DEBUG_NVE_ADDR
vnc_zlog_debug_verbose("%s: missing address a=%p b=%p",
__func__, a, b);
#endif
return (a - b);
}
if (a->un.addr_family != b->un.addr_family) {
#if DEBUG_NVE_ADDR
vnc_zlog_debug_verbose(
"diff: UN addr fam a->un.af=%d, b->un.af=%d",
a->un.addr_family, b->un.addr_family);
#endif
return (a->un.addr_family - b->un.addr_family);
}
if (a->un.addr_family == AF_INET) {
ret = IPV4_ADDR_CMP(&a->un.addr.v4, &b->un.addr.v4);
if (ret != 0) {
#if DEBUG_NVE_ADDR
logdifferent("diff: UN addr", a, b);
#endif
return ret;
}
} else if (a->un.addr_family == AF_INET6) {
ret = IPV6_ADDR_CMP(&a->un.addr.v6, &b->un.addr.v6);
if (ret == 0) {
#if DEBUG_NVE_ADDR
logdifferent("diff: UN addr", a, b);
#endif
return ret;
}
} else {
assert(0);
}
if (a->vn.addr_family != b->vn.addr_family) {
#if DEBUG_NVE_ADDR
vnc_zlog_debug_verbose(
"diff: pT addr fam a->vn.af=%d, b->vn.af=%d",
a->vn.addr_family, b->vn.addr_family);
#endif
return (a->vn.addr_family - b->vn.addr_family);
}
if (a->vn.addr_family == AF_INET) {
ret = IPV4_ADDR_CMP(&a->vn.addr.v4, &b->vn.addr.v4);
if (ret != 0) {
#if DEBUG_NVE_ADDR
logdifferent("diff: VN addr", a, b);
#endif
return ret;
}
} else if (a->vn.addr_family == AF_INET6) {
ret = IPV6_ADDR_CMP(&a->vn.addr.v6, &b->vn.addr.v6);
if (ret == 0) {
#if DEBUG_NVE_ADDR
logdifferent("diff: VN addr", a, b);
#endif
return ret;
}
} else {
assert(0);
}
return 0;
}
void rfapiNveAddr2Str(struct rfapi_nve_addr *na, char *buf, int bufsize)
{
char *p = buf;
int r;
#define REMAIN (bufsize - (p-buf))
#define INCP {p += (r > REMAIN)? REMAIN: r;}
if (bufsize < 1)
return;
r = snprintf(p, REMAIN, "VN=");
INCP;
if (!rfapiRfapiIpAddr2Str(&na->vn, p, REMAIN))
goto done;
buf[bufsize - 1] = 0;
p = buf + strlen(buf);
r = snprintf(p, REMAIN, ", UN=");
INCP;
rfapiRfapiIpAddr2Str(&na->un, p, REMAIN);
done:
buf[bufsize - 1] = 0;
}
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