proxmox-mirrors/mirror_frr
1
0
Fork 0
mirror of https://git.proxmox.com/git/mirror_frr synced 2025-08-11 15:18:06 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

bgpd: add SNMP mplsL3vpnIfConfTable support

Browse Source 
Add infrastucture to return the mplsL3vpnIfConfTable from
[RFC4382]

Signed-off-by: Pat Ruddy <pat@voltanet.io>
This commit is contained in:
Pat Ruddy 2020-10-01 12:11:11 +01:00
parent 4f13e83dcd
commit 1ea16ac016
1 changed files with 126 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

132
bgpd/bgp_mplsvpn_snmp.c
View File

@ -53,6 +53,11 @@
#define MPLSL3VPNVRFCONFRTEMXTHRSHTIME 6
#define MPLSL3VPNILLLBLRCVTHRSH 7
/* MPLSL3VPN IFConf Table */
#define MPLSL3VPNIFVPNCLASSIFICATION 1
#define MPLSL3VPNIFCONFSTORAGETYPE 2
#define MPLSL3VPNIFCONFROWSTATUS 3
/* MPLSL3VPN VRF Table */
#define MPLSL3VPNVRFVPNID 1
#define MPLSL3VPNVRFDESC 2
@ -111,6 +116,9 @@ static uint8_t *mplsL3vpnIllLblRcvThrsh(struct variable *, oid[], size_t *, int,
static uint8_t *mplsL3vpnVrfTable(struct variable *, oid[], size_t *, int,
size_t *, WriteMethod **);
static uint8_t *mplsL3vpnIfConfTable(struct variable *, oid[], size_t *, int,
size_t *, WriteMethod **);
static struct variable mpls_l3vpn_variables[] = {
/* BGP version. */
@ -157,6 +165,26 @@ static struct variable mpls_l3vpn_variables[] = {
3,
{1, 1, 7} },
/* Ifconf Table */
{MPLSL3VPNIFVPNCLASSIFICATION,
INTEGER,
RONLY,
mplsL3vpnIfConfTable,
5,
{1, 2, 1, 1, 2} },
{MPLSL3VPNIFCONFSTORAGETYPE,
INTEGER,
RONLY,
mplsL3vpnIfConfTable,
5,
{1, 2, 1, 1, 4} },
{MPLSL3VPNIFCONFROWSTATUS,
INTEGER,
RONLY,
mplsL3vpnIfConfTable,
5,
{1, 2, 1, 1, 5} },
/* Vrf Table */
{MPLSL3VPNVRFVPNID,
OCTET_STRING,
@ -455,10 +483,7 @@ static uint8_t *mplsL3vpnIllLblRcvThrsh(struct variable *v, oid name[],
}
/* 1.3.6.1.2.1.10.166.11.1.2.2.1.x = 14*/
#define VRFTAB_NAMELEN 14
static struct bgp *bgp_lookup_by_name_next(const char *vrf_name)
static struct bgp *bgp_lookup_by_name_next(char *vrf_name)
{
struct bgp *bgp, *bgp_next = NULL;
struct listnode *node, *nnode;
@ -488,9 +513,102 @@ static struct bgp *bgp_lookup_by_name_next(const char *vrf_name)
return bgp_next;
}
static struct bgp *bgpL3vpnTable_lookup(struct variable *v, oid name[],
/* 1.3.6.1.2.1.10.166.11.1.2.1.1.x = 14*/
#define IFCONFTAB_NAMELEN 14
static struct bgp *bgpL3vpnIfConf_lookup(struct variable *v, oid name[],
size_t *length, char *vrf_name,
int exact)
ifindex_t *ifindex, int exact)
{
struct bgp *bgp = NULL;
size_t namelen = v ? v->namelen : IFCONFTAB_NAMELEN;
struct interface *ifp;
int vrf_name_len, len;
/* too long ? */
if (*length - namelen > (VRF_NAMSIZ + sizeof(uint32_t)))
return NULL;
/* do we have index info in the oid ? */
if (*length - namelen != 0 && *length - namelen >= sizeof(uint32_t)) {
/* copy the info from the oid */
vrf_name_len = *length - (namelen + sizeof(ifindex_t));
oid2string(name + namelen, vrf_name_len, vrf_name);
oid2int(name + namelen + vrf_name_len, ifindex);
}
if (exact) {
/* Check the length. */
bgp = bgp_lookup_by_name(vrf_name);
if (bgp && !is_bgp_vrf_mplsvpn(bgp))
return NULL;
if (!bgp)
return NULL;
ifp = if_lookup_by_index(*ifindex, bgp->vrf_id);
if (!ifp)
return NULL;
} else {
if (strnlen(vrf_name, VRF_NAMSIZ) == 0)
bgp = bgp_lookup_by_name_next(vrf_name);
else
bgp = bgp_lookup_by_name(vrf_name);
while (bgp) {
ifp = if_vrf_lookup_by_index_next(*ifindex,
bgp->vrf_id);
if (ifp) {
vrf_name_len = strnlen(bgp->name, VRF_NAMSIZ);
*ifindex = ifp->ifindex;
len = vrf_name_len + sizeof(ifindex_t);
oid_copy_str(name + namelen, bgp->name,
vrf_name_len);
oid_copy_int(name + namelen + vrf_name_len,
ifindex);
*length = len + namelen;
return bgp;
}
*ifindex = 0;
bgp = bgp_lookup_by_name_next(bgp->name);
}
return NULL;
}
return bgp;
}
static uint8_t *mplsL3vpnIfConfTable(struct variable *v, oid name[],
size_t *length, int exact, size_t *var_len,
WriteMethod **write_method)
{
char vrf_name[VRF_NAMSIZ];
ifindex_t ifindex = 0;
struct bgp *l3vpn_bgp;
if (smux_header_table(v, name, length, exact, var_len, write_method)
== MATCH_FAILED)
return NULL;
memset(vrf_name, 0, VRF_NAMSIZ);
l3vpn_bgp = bgpL3vpnIfConf_lookup(v, name, length, vrf_name, &ifindex,
exact);
if (!l3vpn_bgp)
return NULL;
switch (v->magic) {
case MPLSL3VPNIFVPNCLASSIFICATION:
return SNMP_INTEGER(2);
case MPLSL3VPNIFCONFSTORAGETYPE:
return SNMP_INTEGER(2);
case MPLSL3VPNIFCONFROWSTATUS:
return SNMP_INTEGER(1);
}
return NULL;
}
/* 1.3.6.1.2.1.10.166.11.1.2.2.1.x = 14*/
#define VRFTAB_NAMELEN 14
static struct bgp *bgpL3vpnVrf_lookup(struct variable *v, oid name[],
size_t *length, char *vrf_name, int exact)
{
struct bgp *bgp = NULL;
size_t namelen = v ? v->namelen : VRFTAB_NAMELEN;
@ -529,7 +647,7 @@ static uint8_t *mplsL3vpnVrfTable(struct variable *v, oid name[],
return NULL;
memset(vrf_name, 0, VRF_NAMSIZ);
l3vpn_bgp = bgpL3vpnTable_lookup(v, name, length, vrf_name, exact);
l3vpn_bgp = bgpL3vpnVrf_lookup(v, name, length, vrf_name, exact);
if (!l3vpn_bgp)
return NULL;