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zebra: convert interface link-params command to NB

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Make link-params a presence container and activate it when entering the
node. The "enable" command is not necessary anymore but kept hidden for
backwards compatibility.

Signed-off-by: Igor Ryzhov <iryzhov@nfware.com>
This commit is contained in:
Igor Ryzhov 2024-01-19 13:06:53 +02:00
parent 7fc02c462c
commit b688eb7e9e
7 changed files with 112 additions and 112 deletions
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20
doc/user/zebra.rst
View File

@ -214,20 +214,14 @@ Link Parameters Commands
.. clicmd:: link-params
Enter into the link parameters sub node. This command activates the link
parameters and allows to configure routing information that could be used
as part of Traffic Engineering on this interface. MPLS-TE must be enabled at
the OSPF (:ref:`ospf-traffic-engineering`) or ISIS
(:ref:`isis-traffic-engineering`) router level in complement to this. To
disable link parameters, use the ``no`` version of this command.
Enter into the link parameters sub node. At least 'enable' must be
set to activate the link parameters, and consequently routing
information that could be used as part of Traffic Engineering on
this interface. MPLS-TE must be enable at the OSPF
(:ref:`ospf-traffic-engineering`) or ISIS
(:ref:`isis-traffic-engineering`) router level in complement to
this.
Under link parameter statement, the following commands set the different TE values:
.. clicmd:: enable
Enable link parameters for this interface.
Under link parameter statement, the following commands set the different TE values:
.. clicmd:: metric (0-4294967295)

10
vtysh/vtysh.c
View File

@ -1615,7 +1615,6 @@ struct cmd_node link_params_node = {
.node = LINK_PARAMS_NODE,
.parent_node = INTERFACE_NODE,
.prompt = "%s(config-link-params)# ",
.no_xpath = true,
};
#ifdef HAVE_BGPD
@ -3015,6 +3014,14 @@ DEFUNSH(VTYSH_ZEBRA, vtysh_link_params, vtysh_link_params_cmd, "link-params",
return CMD_SUCCESS;
}
DEFUNSH_HIDDEN(VTYSH_ZEBRA, no_link_params_enable, no_link_params_enable_cmd,
"no enable", NO_STR "Disable link parameters on this interface\n")
{
if (vty->node == LINK_PARAMS_NODE)
vty->node = INTERFACE_NODE;
return CMD_SUCCESS;
}
DEFUNSH(VTYSH_ZEBRA, exit_link_params, exit_link_params_cmd, "exit-link-params",
"Exit from Link Params configuration node\n")
{
@ -5064,6 +5071,7 @@ void vtysh_init_vty(void)
install_node(&link_params_node);
install_element(INTERFACE_NODE, &vtysh_link_params_cmd);
install_element(LINK_PARAMS_NODE, &no_link_params_enable_cmd);
install_element(LINK_PARAMS_NODE, &exit_link_params_cmd);
install_element(LINK_PARAMS_NODE, &vtysh_end_all_cmd);
install_element(LINK_PARAMS_NODE, &vtysh_exit_link_params_cmd);

1
yang/frr-zebra.yang
View File

@ -2047,6 +2047,7 @@ module frr-zebra {
"Link bandwidth informational parameter, in megabits.";
}
container link-params {
presence "Activates link parameters on this interface.";
description
"link-params for Traffic-Engineering (TE) use in IGP extensions.";
choice admin-group-mode {

92
zebra/interface.c
View File

@ -3809,7 +3809,7 @@ DEFPY_YANG (linkdetect,
{
nb_cli_enqueue_change(vty, "./frr-zebra:zebra/link-detect",
NB_OP_CREATE, no ? "false" : "true");
return nb_cli_apply_changes(vty, NULL);
}
@ -3890,7 +3890,6 @@ struct cmd_node link_params_node = {
.node = LINK_PARAMS_NODE,
.parent_node = INTERFACE_NODE,
.prompt = "%s(config-link-params)# ",
.no_xpath = true,
};
static void link_param_cmd_set_uint32(struct interface *ifp, uint32_t *field,
@ -3936,15 +3935,23 @@ static void link_param_cmd_unset(struct interface *ifp, uint32_t type)
zebra_interface_parameters_update(ifp);
}
DEFUN_NOSH (link_params,
DEFUN_YANG_NOSH (link_params,
link_params_cmd,
"link-params",
LINK_PARAMS_STR)
{
/* vty->qobj_index stays the same @ interface pointer */
vty->node = LINK_PARAMS_NODE;
int ret;
return CMD_SUCCESS;
nb_cli_enqueue_change(vty, "./frr-zebra:zebra/link-params", NB_OP_CREATE, NULL);
ret = nb_cli_apply_changes(vty, NULL);
if (ret == CMD_SUCCESS) {
char xpath[XPATH_MAXLEN];
snprintf(xpath, sizeof(xpath), "%s/frr-zebra:zebra/link-params", VTY_CURR_XPATH);
VTY_PUSH_XPATH(LINK_PARAMS_NODE, xpath);
}
return ret;
}
DEFUN_NOSH (exit_link_params,
@ -3952,70 +3959,49 @@ DEFUN_NOSH (exit_link_params,
"exit-link-params",
"Exit from Link Params configuration mode\n")
{
if (vty->node == LINK_PARAMS_NODE)
vty->node = INTERFACE_NODE;
cmd_exit(vty);
return CMD_SUCCESS;
}
DEFUN_YANG (no_link_params,
no_link_params_cmd,
"no link-params",
NO_STR
LINK_PARAMS_STR)
{
nb_cli_enqueue_change(vty, "./frr-zebra:zebra/link-params", NB_OP_DESTROY, NULL);
return nb_cli_apply_changes(vty, NULL);
}
/* Specific Traffic Engineering parameters commands */
DEFUN (link_params_enable,
DEFUN_HIDDEN (link_params_enable,
link_params_enable_cmd,
"enable",
"Activate link parameters on this interface\n")
{
VTY_DECLVAR_CONTEXT(interface, ifp);
/* This command could be issue at startup, when activate MPLS TE */
/* on a new interface or after a ON / OFF / ON toggle */
/* In all case, TE parameters are reset to their default factory */
if (IS_ZEBRA_DEBUG_EVENT || IS_ZEBRA_DEBUG_MPLS)
zlog_debug(
"Link-params: enable TE link parameters on interface %s",
ifp->name);
if (!if_link_params_get(ifp))
if_link_params_enable(ifp);
/* force protocols to update LINK STATE due to parameters change */
if (if_is_operative(ifp))
zebra_interface_parameters_update(ifp);
vty_out(vty, "This command is deprecated. Link parameters are activated when \"link-params\" node is entered.\n");
return CMD_SUCCESS;
}
DEFUN (no_link_params_enable,
DEFUN_NOSH (no_link_params_enable,
no_link_params_enable_cmd,
"no enable",
NO_STR
"Disable link parameters on this interface\n")
{
char xpath[XPATH_MAXLEN];
int ret;
VTY_DECLVAR_CONTEXT(interface, ifp);
if (IS_ZEBRA_DEBUG_EVENT || IS_ZEBRA_DEBUG_MPLS)
zlog_debug("MPLS-TE: disable TE link parameters on interface %s",
ifp->name);
vty_out(vty, "This command is deprecated. To disable link parameters use \"no link-params\" in the interface node.\n");
if_link_params_free(ifp);
snprintf(
xpath, sizeof(xpath),
"/frr-interface:lib/interface[name='%s']/frr-zebra:zebra/link-params/affinities",
ifp->name);
if (yang_dnode_exists(running_config->dnode, xpath))
nb_cli_enqueue_change(vty, xpath, NB_OP_DESTROY, NULL);
nb_cli_enqueue_change(vty, ".", NB_OP_DESTROY, NULL);
ret = nb_cli_apply_changes(vty, NULL);
if (ret == CMD_SUCCESS)
cmd_exit(vty);
if (ret != CMD_SUCCESS)
return ret;
/* force protocols to update LINK STATE due to parameters change */
if (if_is_operative(ifp))
zebra_interface_parameters_update(ifp);
return CMD_SUCCESS;
return ret;
}
/* STANDARD TE metrics */
@ -4199,7 +4185,7 @@ DEFPY_YANG(link_params_admin_grp, link_params_admin_grp_cmd,
snprintf(value_str, sizeof(value_str), "%ld", value);
nb_cli_enqueue_change(
vty, "./frr-zebra:zebra/link-params/legacy-admin-group",
vty, "./legacy-admin-group",
NB_OP_MODIFY, value_str);
return nb_cli_apply_changes(vty, NULL);
@ -4210,7 +4196,7 @@ DEFPY_YANG(no_link_params_admin_grp, no_link_params_admin_grp_cmd,
NO_STR "Disable Administrative group membership on this interface\n")
{
nb_cli_enqueue_change(
vty, "./frr-zebra:zebra/link-params/legacy-admin-group",
vty, "./legacy-admin-group",
NB_OP_DESTROY, NULL);
return nb_cli_apply_changes(vty, NULL);
@ -4655,7 +4641,7 @@ DEFPY_YANG(link_params_affinity, link_params_affinity_cmd,
"Affinity names\n")
{
return ag_change(vty, argc, argv,
"./frr-zebra:zebra/link-params/affinities/affinity",
"./affinities/affinity",
no, no ? 2 : 1);
}
@ -4671,7 +4657,7 @@ DEFPY_YANG(link_params_affinity_mode, link_params_affinity_mode_cmd,
"Extended Admin-Group only RFC7308 (default)\n"
"Standard and extended Admin-Group format\n")
{
const char *xpath = "./frr-zebra:zebra/link-params/affinity-mode";
const char *xpath = "./affinity-mode";
nb_cli_enqueue_change(vty, xpath, NB_OP_MODIFY, affmode);
@ -4686,7 +4672,7 @@ DEFPY_YANG(no_link_params_affinity_mode, no_link_params_affinity_mode_cmd,
"Extended Admin-Group only RFC7308 (default)\n"
"Standard and extended Admin-Group format\n")
{
const char *xpath = "./frr-zebra:zebra/link-params/affinity-mode";
const char *xpath = "./affinity-mode";
nb_cli_enqueue_change(vty, xpath, NB_OP_MODIFY, "extended");
@ -5017,7 +5003,6 @@ static int link_params_config_write(struct vty *vty, struct interface *ifp)
struct if_link_params *iflp = ifp->link_params;
vty_out(vty, " link-params\n");
vty_out(vty, " enable\n");
if (IS_PARAM_SET(iflp, LP_TE_METRIC) && iflp->te_metric != ifp->metric)
vty_out(vty, " metric %u\n", iflp->te_metric);
if (IS_PARAM_SET(iflp, LP_MAX_BW) && iflp->max_bw != iflp->default_bw)
@ -5183,6 +5168,7 @@ void zebra_if_init(void)
install_element(INTERFACE_NODE, &ip_address_peer_cmd);
install_element(INTERFACE_NODE, &ipv6_address_cmd);
install_element(INTERFACE_NODE, &link_params_cmd);
install_element(INTERFACE_NODE, &no_link_params_cmd);
install_default(LINK_PARAMS_NODE);
install_element(LINK_PARAMS_NODE, &link_params_enable_cmd);
install_element(LINK_PARAMS_NODE, &no_link_params_enable_cmd);

7
zebra/zebra_nb.c
View File

@ -358,6 +358,13 @@ const struct frr_yang_module_info frr_zebra_info = {
.destroy = lib_interface_zebra_mpls_destroy,
}
},
{
.xpath = "/frr-interface:lib/interface/frr-zebra:zebra/link-params",
.cbs = {
.create = lib_interface_zebra_link_params_create,
.destroy = lib_interface_zebra_link_params_destroy,
}
},
{
.xpath = "/frr-interface:lib/interface/frr-zebra:zebra/link-params/legacy-admin-group",
.cbs = {

2
zebra/zebra_nb.h
View File

@ -101,6 +101,8 @@ int lib_interface_zebra_bandwidth_modify(struct nb_cb_modify_args *args);
int lib_interface_zebra_bandwidth_destroy(struct nb_cb_destroy_args *args);
int lib_interface_zebra_mpls_modify(struct nb_cb_modify_args *args);
int lib_interface_zebra_mpls_destroy(struct nb_cb_destroy_args *args);
int lib_interface_zebra_link_params_create(struct nb_cb_create_args *args);
int lib_interface_zebra_link_params_destroy(struct nb_cb_destroy_args *args);
int lib_interface_zebra_legacy_admin_group_modify(
struct nb_cb_modify_args *args);
int lib_interface_zebra_legacy_admin_group_destroy(

92
zebra/zebra_nb_config.c
View File

@ -1271,6 +1271,39 @@ int lib_interface_zebra_bandwidth_destroy(struct nb_cb_destroy_args *args)
return NB_OK;
}
/*
* XPath: /frr-interface:lib/interface/frr-zebra:zebra/link-params
*/
int lib_interface_zebra_link_params_create(struct nb_cb_create_args *args)
{
struct interface *ifp;
if (args->event != NB_EV_APPLY)
return NB_OK;
ifp = nb_running_get_entry(args->dnode, NULL, true);
if_link_params_enable(ifp);
if (if_is_operative(ifp))
zebra_interface_parameters_update(ifp);
return NB_OK;
}
int lib_interface_zebra_link_params_destroy(struct nb_cb_destroy_args *args)
{
struct interface *ifp;
if (args->event != NB_EV_APPLY)
return NB_OK;
ifp = nb_running_get_entry(args->dnode, NULL, true);
if_link_params_free(ifp);
if (if_is_operative(ifp))
zebra_interface_parameters_update(ifp);
return NB_OK;
}
/*
* XPath:
* /frr-interface:lib/interface/frr-zebra:zebra/link-params/legacy-admin-group
@ -1282,22 +1315,16 @@ int lib_interface_zebra_legacy_admin_group_modify(
struct if_link_params *iflp;
uint32_t admin_group_value;
ifp = nb_running_get_entry(args->dnode, NULL, true);
admin_group_value = yang_dnode_get_uint32(args->dnode, ".");
if (!ifp)
return NB_ERR_RESOURCE;
iflp = if_link_params_get(ifp);
switch (args->event) {
case NB_EV_VALIDATE:
case NB_EV_PREPARE:
case NB_EV_ABORT:
break;
case NB_EV_APPLY:
if (!iflp)
iflp = if_link_params_enable(ifp);
ifp = nb_running_get_entry(args->dnode, NULL, true);
iflp = if_link_params_get(ifp);
iflp->admin_grp = admin_group_value;
SET_PARAM(iflp, LP_ADM_GRP);
@ -1318,21 +1345,14 @@ int lib_interface_zebra_legacy_admin_group_destroy(
struct interface *ifp;
struct if_link_params *iflp;
ifp = nb_running_get_entry(args->dnode, NULL, true);
if (!ifp)
return NB_ERR_RESOURCE;
iflp = if_link_params_get(ifp);
switch (args->event) {
case NB_EV_VALIDATE:
case NB_EV_PREPARE:
case NB_EV_ABORT:
break;
case NB_EV_APPLY:
if (!iflp)
iflp = if_link_params_enable(ifp);
ifp = nb_running_get_entry(args->dnode, NULL, true);
iflp = if_link_params_get(ifp);
iflp->admin_grp = 0;
UNSET_PARAM(iflp, LP_ADM_GRP);
@ -1356,25 +1376,18 @@ int lib_interface_zebra_affinity_create(struct nb_cb_create_args *args)
struct affinity_map *affmap;
enum affinity_mode affinity_mode;
ifp = nb_running_get_entry(args->dnode, NULL, true);
affname = yang_dnode_get_string(args->dnode, ".");
affinity_mode = yang_dnode_get_enum(args->dnode, "../../affinity-mode");
if (!ifp)
return NB_ERR_RESOURCE;
affmap = affinity_map_get(affname);
iflp = if_link_params_get(ifp);
switch (args->event) {
case NB_EV_VALIDATE:
case NB_EV_PREPARE:
case NB_EV_ABORT:
break;
case NB_EV_APPLY:
if (!iflp)
iflp = if_link_params_enable(ifp);
ifp = nb_running_get_entry(args->dnode, NULL, true);
iflp = if_link_params_get(ifp);
affmap = affinity_map_get(affname);
if (affmap->bit_position < 32 &&
(affinity_mode == AFFINITY_MODE_STANDARD ||
@ -1404,24 +1417,19 @@ int lib_interface_zebra_affinity_destroy(struct nb_cb_destroy_args *args)
struct affinity_map *affmap;
enum affinity_mode affinity_mode;
ifp = nb_running_get_entry(args->dnode, NULL, true);
affname = yang_dnode_get_string(args->dnode, ".");
affinity_mode = yang_dnode_get_enum(args->dnode, "../../affinity-mode");
if (!ifp)
return NB_ERR_RESOURCE;
affmap = affinity_map_get(affname);
iflp = if_link_params_get(ifp);
switch (args->event) {
case NB_EV_VALIDATE:
case NB_EV_PREPARE:
case NB_EV_ABORT:
break;
case NB_EV_APPLY:
if (!iflp)
return NB_OK;
ifp = nb_running_get_entry(args->dnode, NULL, true);
iflp = if_link_params_get(ifp);
affmap = affinity_map_get(affname);
if (affmap->bit_position < 32 &&
(affinity_mode == AFFINITY_MODE_STANDARD ||
affinity_mode == AFFINITY_MODE_BOTH)) {
@ -1454,23 +1462,17 @@ int lib_interface_zebra_affinity_mode_modify(struct nb_cb_modify_args *args)
struct if_link_params *iflp;
enum affinity_mode affinity_mode;
ifp = nb_running_get_entry(args->dnode, NULL, true);
affinity_mode = yang_dnode_get_enum(args->dnode, ".");
if (!ifp)
return NB_ERR_RESOURCE;
iflp = if_link_params_get(ifp);
switch (args->event) {
case NB_EV_VALIDATE:
case NB_EV_PREPARE:
case NB_EV_ABORT:
break;
case NB_EV_APPLY:
if (!iflp)
iflp = if_link_params_enable(ifp);
ifp = nb_running_get_entry(args->dnode, NULL, true);
iflp = if_link_params_get(ifp);
if (affinity_mode == AFFINITY_MODE_STANDARD) {
if (!IS_PARAM_SET(iflp, LP_ADM_GRP) &&
IS_PARAM_SET(iflp, LP_EXTEND_ADM_GRP)) {