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pim6d: support group-type command

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Allow user to query about IPv6 address group type:
- not-multicast
- ASM
- SSM

Signed-off-by: Rafael Zalamena <rzalamena@opensourcerouting.org>
This commit is contained in:
Rafael Zalamena 2025-04-29 12:20:53 -03:00
parent 8d70f071c3
commit 58a071f351
4 changed files with 93 additions and 0 deletions
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77
pimd/pim6_cmd.c
View file

@ -28,6 +28,8 @@
#include "pim_addr.h"
#include "pim_nht.h"
#include "pim_bsm.h"
#include "pim_ssm.h"
#include "pim_util.h"
#include "pim_iface.h"
#include "pim_zebra.h"
#include "pim_instance.h"
@ -2439,6 +2441,79 @@ DEFPY (show_ipv6_pim_bsrp,
return pim_show_group_rp_mappings_info_helper(vrf, vty, !!json);
}
DEFPY(show_ipv6_pim_ssm_range,
show_ipv6_pim_ssm_range_cmd,
"show ipv6 pim [vrf NAME$vrf_name] group-type [json$json]",
SHOW_STR
IPV6_STR
PIM_STR
VRF_CMD_HELP_STR
"PIM group type\n"
JSON_STR)
{
struct pim_instance *pim;
const char *range_str;
struct pim_ssm *ssm;
struct vrf *vrf = NULL;
if (vrf_name)
vrf = vrf_lookup_by_name(vrf_name);
if (vrf == NULL)
vrf = vrf_lookup_by_id(VRF_DEFAULT);
pim = vrf->info;
ssm = pim->ssm_info;
range_str = ssm->plist_name ? ssm->plist_name : PIM6_SSM_STANDARD_RANGE;
if (json) {
struct json_object *json_root;
json_root = json_object_new_object();
json_object_string_add(json_root, "ssmGroups", range_str);
vty_json(vty, json_root);
} else
vty_out(vty, "SSM group range : %s\n", range_str);
return CMD_SUCCESS;
}
DEFPY(show_ipv6_pim_group_type,
show_ipv6_pim_group_type_cmd,
"show ipv6 pim [vrf NAME$vrf_name] group-type X:X::X:X$group [json$json]",
SHOW_STR
IP_STR
PIM_STR
VRF_CMD_HELP_STR
"multicast group type\n"
"group address\n"
JSON_STR)
{
struct pim_instance *pim;
const char *type_str;
struct vrf *vrf = NULL;
if (vrf_name)
vrf = vrf_lookup_by_name(vrf_name);
if (vrf == NULL)
vrf = vrf_lookup_by_id(VRF_DEFAULT);
pim = vrf->info;
if (pim_is_group_ff00_8(group))
type_str = pim_is_grp_ssm(pim, group) ? "SSM" : "ASM";
else
type_str = "not-multicast";
if (json) {
struct json_object *json_root;
json_root = json_object_new_object();
json_object_string_add(json_root, "groupType", type_str);
vty_json(vty, json_root);
} else
vty_out(vty, "Group type : %s\n", type_str);
return CMD_SUCCESS;
}
DEFPY(clear_ipv6_mld_interfaces,
clear_ipv6_mld_interfaces_cmd,
"clear ipv6 mld [vrf NAME$vrf_name] interfaces",
@ -3066,6 +3141,8 @@ void pim_cmd_init(void)
install_element(VIEW_NODE, &show_ipv6_pim_bsr_cmd);
install_element(VIEW_NODE, &show_ipv6_pim_bsm_db_cmd);
install_element(VIEW_NODE, &show_ipv6_pim_bsrp_cmd);
install_element(VIEW_NODE, &show_ipv6_pim_ssm_range_cmd);
install_element(VIEW_NODE, &show_ipv6_pim_group_type_cmd);
install_element(ENABLE_NODE, &clear_ipv6_mld_interfaces_cmd);
install_element(ENABLE_NODE, &clear_ipv6_pim_statistics_cmd);
install_element(ENABLE_NODE, &clear_ipv6_mroute_cmd);

1
pimd/pim_ssm.h
View file

@ -7,6 +7,7 @@
#define PIM_SSM_H
#define PIM_SSM_STANDARD_RANGE "232.0.0.0/8"
#define PIM6_SSM_STANDARD_RANGE "FF30::/32"
struct pim_instance;

14
pimd/pim_util.c
View file

@ -129,6 +129,20 @@ int pim_is_group_224_4(struct in_addr group_addr)
return prefix_match(&group_all, &group);
}
bool pim_is_group_ff00_8(struct in6_addr group_address)
{
struct prefix group_all = { .family = AF_INET6,
.prefixlen = 8,
.u.prefix6.s6_addr = { 0xFF } };
struct prefix group;
group.family = AF_INET6;
group.u.prefix6 = group_address;
group.prefixlen = IPV6_MAX_BITLEN;
return prefix_match(&group_all, &group);
}
static bool pim_cisco_match(const struct filter *filter, const struct in_addr *source,
const struct in_addr *group)
{

1
pimd/pim_util.h
View file

@ -23,6 +23,7 @@ void pim_pkt_dump(const char *label, const uint8_t *buf, int size);
int pim_is_group_224_0_0_0_24(struct in_addr group_addr);
int pim_is_group_224_4(struct in_addr group_addr);
bool pim_is_group_ff00_8(struct in6_addr group_address);
enum filter_type pim_access_list_apply(struct access_list *access, const struct in_addr *source,
const struct in_addr *group);
bool pim_is_group_filtered(struct pim_interface *pim_ifp, pim_addr *grp, pim_addr *src);