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pimd: Northbound implementation for pim commands.
interface_ip_pim_ssm
interface_ip_pim_sm
interface_ip_pim
interface_no_ip_pim_ssm
interface_no_ip_pim_sm
interface_no_ip_pim
Yang Model:
augment /frr-interface:lib/frr-interface:interface:
+--rw pim!
+--rw pim-enable? boolean <false>
Signed-off-by: Sarita Patra <saritap@vmware.com>
This commit is contained in:
Sarita Patra
parent
b0475d5a52
commit
50d194f8c8
144
pimd/pim_cmd.c
144
pimd/pim_cmd.c
@ -8092,36 +8092,19 @@ DEFUN_HIDDEN (interface_ip_pim_ssm,
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PIM_STR
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IFACE_PIM_STR)
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{
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VTY_DECLVAR_CONTEXT(interface, ifp);
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int ret;
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if (!pim_cmd_interface_add(vty, ifp)) {
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vty_out(vty, "Could not enable PIM SM on interface %s\n",
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ifp->name);
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return CMD_WARNING_CONFIG_FAILED;
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}
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nb_cli_enqueue_change(vty, "./pim-enable", NB_OP_MODIFY, "true");
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ret = nb_cli_apply_changes(vty, "./frr-pim:pim");
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if (ret != NB_OK)
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return ret;
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vty_out(vty,
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"WARN: Enabled PIM SM on interface; configure PIM SSM range if needed\n");
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return CMD_SUCCESS;
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}
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static int interface_ip_pim_helper(struct vty *vty)
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{
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struct pim_interface *pim_ifp;
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VTY_DECLVAR_CONTEXT(interface, ifp);
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if (!pim_cmd_interface_add(vty, ifp)) {
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vty_out(vty, "Could not enable PIM SM on interface %s\n",
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ifp->name);
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return CMD_WARNING_CONFIG_FAILED;
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}
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pim_ifp = ifp->info;
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pim_if_create_pimreg(pim_ifp->pim);
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return CMD_SUCCESS;
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return NB_OK;
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}
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DEFUN_HIDDEN (interface_ip_pim_sm,
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@ -8131,7 +8114,9 @@ DEFUN_HIDDEN (interface_ip_pim_sm,
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PIM_STR
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IFACE_PIM_SM_STR)
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{
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return interface_ip_pim_helper(vty);
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nb_cli_enqueue_change(vty, "./pim-enable", NB_OP_MODIFY, "true");
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return nb_cli_apply_changes(vty, "./frr-pim:pim");
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}
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DEFUN (interface_ip_pim,
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@ -8140,43 +8125,9 @@ DEFUN (interface_ip_pim,
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IP_STR
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PIM_STR)
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{
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return interface_ip_pim_helper(vty);
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}
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nb_cli_enqueue_change(vty, "./pim-enable", NB_OP_MODIFY, "true");
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static int pim_cmd_interface_delete(struct interface *ifp)
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{
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struct pim_interface *pim_ifp = ifp->info;
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if (!pim_ifp)
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return 1;
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PIM_IF_DONT_PIM(pim_ifp->options);
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pim_if_membership_clear(ifp);
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/*
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pim_sock_delete() removes all neighbors from
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pim_ifp->pim_neighbor_list.
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*/
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pim_sock_delete(ifp, "pim unconfigured on interface");
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if (!PIM_IF_TEST_IGMP(pim_ifp->options)) {
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pim_if_addr_del_all(ifp);
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pim_if_delete(ifp);
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}
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return 1;
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}
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static int interface_no_ip_pim_helper(struct vty *vty)
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{
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VTY_DECLVAR_CONTEXT(interface, ifp);
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if (!pim_cmd_interface_delete(ifp)) {
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vty_out(vty, "Unable to delete interface information\n");
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return CMD_WARNING_CONFIG_FAILED;
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}
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return CMD_SUCCESS;
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return nb_cli_apply_changes(vty, "./frr-pim:pim");
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}
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DEFUN_HIDDEN (interface_no_ip_pim_ssm,
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@ -8187,7 +8138,28 @@ DEFUN_HIDDEN (interface_no_ip_pim_ssm,
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PIM_STR
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IFACE_PIM_STR)
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{
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return interface_no_ip_pim_helper(vty);
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const struct lyd_node *igmp_enable_dnode;
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char igmp_if_xpath[XPATH_MAXLEN];
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snprintf(igmp_if_xpath, sizeof(igmp_if_xpath),
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"%s/frr-igmp:igmp", VTY_CURR_XPATH);
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igmp_enable_dnode = yang_dnode_get(vty->candidate_config->dnode,
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"%s/igmp-enable", igmp_if_xpath);
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if (!igmp_enable_dnode) {
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nb_cli_enqueue_change(vty, igmp_if_xpath, NB_OP_DESTROY, NULL);
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nb_cli_enqueue_change(vty, ".", NB_OP_DESTROY, NULL);
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} else {
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if (!yang_dnode_get_bool(igmp_enable_dnode, ".")) {
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nb_cli_enqueue_change(vty, igmp_if_xpath, NB_OP_DESTROY,
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NULL);
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nb_cli_enqueue_change(vty, ".", NB_OP_DESTROY, NULL);
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} else
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nb_cli_enqueue_change(vty, "./pim-enable", NB_OP_MODIFY,
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"false");
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}
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return nb_cli_apply_changes(vty, "./frr-pim:pim");
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}
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DEFUN_HIDDEN (interface_no_ip_pim_sm,
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@ -8198,7 +8170,28 @@ DEFUN_HIDDEN (interface_no_ip_pim_sm,
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PIM_STR
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IFACE_PIM_SM_STR)
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{
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return interface_no_ip_pim_helper(vty);
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const struct lyd_node *igmp_enable_dnode;
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char igmp_if_xpath[XPATH_MAXLEN];
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snprintf(igmp_if_xpath, sizeof(igmp_if_xpath),
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"%s/frr-igmp:igmp", VTY_CURR_XPATH);
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igmp_enable_dnode = yang_dnode_get(vty->candidate_config->dnode,
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"%s/igmp-enable", igmp_if_xpath);
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if (!igmp_enable_dnode) {
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nb_cli_enqueue_change(vty, igmp_if_xpath, NB_OP_DESTROY, NULL);
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nb_cli_enqueue_change(vty, ".", NB_OP_DESTROY, NULL);
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} else {
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if (!yang_dnode_get_bool(igmp_enable_dnode, ".")) {
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nb_cli_enqueue_change(vty, igmp_if_xpath, NB_OP_DESTROY,
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NULL);
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nb_cli_enqueue_change(vty, ".", NB_OP_DESTROY, NULL);
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} else
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nb_cli_enqueue_change(vty, "./pim-enable", NB_OP_MODIFY,
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"false");
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}
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return nb_cli_apply_changes(vty, "./frr-pim:pim");
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}
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DEFUN (interface_no_ip_pim,
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@ -8208,7 +8201,28 @@ DEFUN (interface_no_ip_pim,
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IP_STR
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PIM_STR)
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{
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return interface_no_ip_pim_helper(vty);
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const struct lyd_node *igmp_enable_dnode;
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char igmp_if_xpath[XPATH_MAXLEN];
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snprintf(igmp_if_xpath, sizeof(igmp_if_xpath),
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"%s/frr-igmp:igmp", VTY_CURR_XPATH);
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igmp_enable_dnode = yang_dnode_get(vty->candidate_config->dnode,
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"%s/igmp-enable", igmp_if_xpath);
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if (!igmp_enable_dnode) {
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nb_cli_enqueue_change(vty, igmp_if_xpath, NB_OP_DESTROY, NULL);
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nb_cli_enqueue_change(vty, ".", NB_OP_DESTROY, NULL);
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} else {
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if (!yang_dnode_get_bool(igmp_enable_dnode, ".")) {
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nb_cli_enqueue_change(vty, igmp_if_xpath, NB_OP_DESTROY,
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NULL);
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nb_cli_enqueue_change(vty, ".", NB_OP_DESTROY, NULL);
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} else
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nb_cli_enqueue_change(vty, "./pim-enable", NB_OP_MODIFY,
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"false");
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}
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return nb_cli_apply_changes(vty, "./frr-pim:pim");
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}
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/* boundaries */
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@ -21,9 +21,136 @@
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#include "pim_nb.h"
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#include "lib/northbound_cli.h"
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#include "pim_igmpv3.h"
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#include "pim_pim.h"
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void pim_if_membership_clear(struct interface *ifp);
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void pim_if_membership_refresh(struct interface *ifp);
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static void pim_if_membership_clear(struct interface *ifp)
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{
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struct pim_interface *pim_ifp;
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pim_ifp = ifp->info;
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zassert(pim_ifp);
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if (PIM_IF_TEST_PIM(pim_ifp->options)
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&& PIM_IF_TEST_IGMP(pim_ifp->options)) {
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return;
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}
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pim_ifchannel_membership_clear(ifp);
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}
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/*
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* When PIM is disabled on interface, IGMPv3 local membership
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* information is not injected into PIM interface state.
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* The function pim_if_membership_refresh() fetches all IGMPv3 local
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* membership information into PIM. It is intented to be called
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* whenever PIM is enabled on the interface in order to collect missed
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* local membership information.
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*/
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static void pim_if_membership_refresh(struct interface *ifp)
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{
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struct pim_interface *pim_ifp;
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struct listnode *sock_node;
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struct igmp_sock *igmp;
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pim_ifp = ifp->info;
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zassert(pim_ifp);
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if (!PIM_IF_TEST_PIM(pim_ifp->options))
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return;
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if (!PIM_IF_TEST_IGMP(pim_ifp->options))
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return;
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/*
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* First clear off membership from all PIM (S,G) entries on the
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* interface
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*/
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pim_ifchannel_membership_clear(ifp);
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/*
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* Then restore PIM (S,G) membership from all IGMPv3 (S,G) entries on
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* the interface
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*/
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/* scan igmp sockets */
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for (ALL_LIST_ELEMENTS_RO(pim_ifp->igmp_socket_list, sock_node, igmp)) {
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struct listnode *grpnode;
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struct igmp_group *grp;
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/* scan igmp groups */
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for (ALL_LIST_ELEMENTS_RO(igmp->igmp_group_list, grpnode,
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grp)) {
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struct listnode *srcnode;
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struct igmp_source *src;
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/* scan group sources */
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for (ALL_LIST_ELEMENTS_RO(grp->group_source_list,
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srcnode, src)) {
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if (IGMP_SOURCE_TEST_FORWARDING(
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src->source_flags)) {
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struct prefix_sg sg;
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memset(&sg, 0,
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sizeof(struct prefix_sg));
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sg.src = src->source_addr;
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sg.grp = grp->group_addr;
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pim_ifchannel_local_membership_add(
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ifp, &sg, false /*is_vxlan*/);
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}
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} /* scan group sources */
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} /* scan igmp groups */
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} /* scan igmp sockets */
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/*
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* Finally delete every PIM (S,G) entry lacking all state info
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*/
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pim_ifchannel_delete_on_noinfo(ifp);
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}
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static int pim_cmd_interface_add(struct interface *ifp)
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{
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struct pim_interface *pim_ifp = ifp->info;
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if (!pim_ifp)
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pim_ifp = pim_if_new(ifp, false, true, false, false);
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else
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PIM_IF_DO_PIM(pim_ifp->options);
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pim_if_addr_add_all(ifp);
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pim_if_membership_refresh(ifp);
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pim_if_create_pimreg(pim_ifp->pim);
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return 1;
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}
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static int pim_cmd_interface_delete(struct interface *ifp)
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{
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struct pim_interface *pim_ifp = ifp->info;
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if (!pim_ifp)
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return 1;
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PIM_IF_DONT_PIM(pim_ifp->options);
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pim_if_membership_clear(ifp);
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/*
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* pim_sock_delete() removes all neighbors from
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* pim_ifp->pim_neighbor_list.
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*/
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pim_sock_delete(ifp, "pim unconfigured on interface");
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if (!PIM_IF_TEST_IGMP(pim_ifp->options)) {
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pim_if_addr_del_all(ifp);
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pim_if_delete(ifp);
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}
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return 1;
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}
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static bool is_pim_interface(const struct lyd_node *dnode)
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{
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@ -866,7 +993,6 @@ int lib_interface_pim_create(struct nb_cb_create_args *args)
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case NB_EV_PREPARE:
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case NB_EV_ABORT:
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case NB_EV_APPLY:
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/* TODO: implement me. */
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break;
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}
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@ -875,13 +1001,26 @@ int lib_interface_pim_create(struct nb_cb_create_args *args)
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int lib_interface_pim_destroy(struct nb_cb_destroy_args *args)
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{
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struct interface *ifp;
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struct pim_interface *pim_ifp;
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switch (args->event) {
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case NB_EV_VALIDATE:
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case NB_EV_PREPARE:
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case NB_EV_ABORT:
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case NB_EV_APPLY:
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/* TODO: implement me. */
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break;
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case NB_EV_APPLY:
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ifp = nb_running_get_entry(args->dnode, NULL, true);
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pim_ifp = ifp->info;
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if (!pim_ifp)
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return NB_OK;
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if (!pim_cmd_interface_delete(ifp)) {
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snprintf(args->errmsg, args->errmsg_len,
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"Unable to delete interface information %s",
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ifp->name);
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return NB_ERR_INCONSISTENCY;
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}
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}
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return NB_OK;
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@ -892,12 +1031,49 @@ int lib_interface_pim_destroy(struct nb_cb_destroy_args *args)
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*/
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int lib_interface_pim_pim_enable_modify(struct nb_cb_modify_args *args)
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{
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struct interface *ifp;
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struct pim_interface *pim_ifp;
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int mcast_if_count;
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const struct lyd_node *if_dnode;
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switch (args->event) {
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case NB_EV_VALIDATE:
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if_dnode = yang_dnode_get_parent(args->dnode, "interface");
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mcast_if_count =
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yang_get_list_elements_count(if_dnode);
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/* Limiting mcast interfaces to number of VIFs */
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if (mcast_if_count == MAXVIFS) {
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snprintf(args->errmsg, args->errmsg_len,
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"Max multicast interfaces(%d) reached.",
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MAXVIFS);
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return NB_ERR_VALIDATION;
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}
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break;
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case NB_EV_PREPARE:
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case NB_EV_ABORT:
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break;
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case NB_EV_APPLY:
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/* TODO: implement me. */
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ifp = nb_running_get_entry(args->dnode, NULL, true);
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if (yang_dnode_get_bool(args->dnode, NULL)) {
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if (!pim_cmd_interface_add(ifp)) {
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snprintf(args->errmsg, args->errmsg_len,
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"Could not enable PIM SM on interface %s",
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ifp->name);
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return NB_ERR_INCONSISTENCY;
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}
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} else {
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pim_ifp = ifp->info;
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if (!pim_ifp)
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return NB_ERR_INCONSISTENCY;
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if (!pim_cmd_interface_delete(ifp)) {
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snprintf(args->errmsg, args->errmsg_len,
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"Unable to delete interface information");
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return NB_ERR_INCONSISTENCY;
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}
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}
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break;
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}
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