zebra: vlan to dplane, Relocating some functions

Relocating functions used by vlan in if_netlink into zebra vxlan

Note: Static variable to the functions will be added back in the next
commit.

Ticket :#3878175

Signed-off-by: Rajasekar Raja <rajasekarr@nvidia.com>

zebra/if_netlink.c

@@ -63,6 +63,7 @@
 #include "zebra/zebra_l2.h"
 #include "zebra/netconf_netlink.h"
 #include "zebra/zebra_trace.h"
+#include "zebra/zebra_vxlan.h"
 
 extern struct zebra_privs_t zserv_privs;
 
@@ -1816,70 +1817,6 @@ int netlink_tunneldump_read(struct zebra_ns *zns)
 	return 0;
 }
 
-static const char *port_state2str(uint8_t state)
-{
-	switch (state) {
-	case BR_STATE_DISABLED:
-		return "DISABLED";
-	case BR_STATE_LISTENING:
-		return "LISTENING";
-	case BR_STATE_LEARNING:
-		return "LEARNING";
-	case BR_STATE_FORWARDING:
-		return "FORWARDING";
-	case BR_STATE_BLOCKING:
-		return "BLOCKING";
-	}
-
-	return "UNKNOWN";
-}
-
-static void vxlan_vni_state_change(struct zebra_if *zif, uint16_t id,
-				   uint8_t state)
-{
-	struct zebra_vxlan_vni *vnip;
-
-	vnip = zebra_vxlan_if_vlanid_vni_find(zif, id);
-
-	if (!vnip) {
-		if (IS_ZEBRA_DEBUG_VXLAN)
-			zlog_debug(
-				"Cannot find VNI for VID (%u) IF %s for vlan state update",
-				id, zif->ifp->name);
-
-		return;
-	}
-
-	switch (state) {
-	case BR_STATE_FORWARDING:
-		zebra_vxlan_if_vni_up(zif->ifp, vnip);
-		break;
-	case BR_STATE_BLOCKING:
-		zebra_vxlan_if_vni_down(zif->ifp, vnip);
-		break;
-	case BR_STATE_DISABLED:
-	case BR_STATE_LISTENING:
-	case BR_STATE_LEARNING:
-	default:
-		/* Not used for anything at the moment */
-		break;
-	}
-}
-
-static void vlan_id_range_state_change(struct interface *ifp, uint16_t id_start,
-				       uint16_t id_end, uint8_t state)
-{
-	struct zebra_if *zif;
-
-	zif = (struct zebra_if *)ifp->info;
-
-	if (!zif)
-		return;
-
-	for (uint16_t i = id_start; i <= id_end; i++)
-		vxlan_vni_state_change(zif, i, state);
-}
-
 /**
  * netlink_vlan_change() - Read in change about vlans from the kernel
  *

zebra/zebra_vxlan.c

@@ -41,6 +41,8 @@
 #include "zebra/zebra_evpn_mh.h"
 #include "zebra/zebra_evpn_vxlan.h"
 #include "zebra/zebra_router.h"
+#include "zebra/zebra_trace.h"
+#include <linux/if_bridge.h>
 
 DEFINE_MTYPE_STATIC(ZEBRA, HOST_PREFIX, "host prefix");
 DEFINE_MTYPE_STATIC(ZEBRA, ZL3VNI, "L3 VNI hash");
@@ -6246,3 +6248,65 @@ extern void zebra_evpn_init(void)
 {
 	hook_register(zserv_client_close, zebra_evpn_cfg_clean_up);
 }
+
+const char *port_state2str(uint8_t state)
+{
+	switch (state) {
+	case BR_STATE_DISABLED:
+		return "DISABLED";
+	case BR_STATE_LISTENING:
+		return "LISTENING";
+	case BR_STATE_LEARNING:
+		return "LEARNING";
+	case BR_STATE_FORWARDING:
+		return "FORWARDING";
+	case BR_STATE_BLOCKING:
+		return "BLOCKING";
+	}
+
+	return "UNKNOWN";
+}
+
+void vxlan_vni_state_change(struct zebra_if *zif, uint16_t id, uint8_t state)
+{
+	struct zebra_vxlan_vni *vnip;
+
+	vnip = zebra_vxlan_if_vlanid_vni_find(zif, id);
+
+	if (!vnip) {
+		if (IS_ZEBRA_DEBUG_VXLAN)
+			zlog_debug("Cannot find VNI for VID (%u) IF %s for vlan state update",
+				   id, zif->ifp->name);
+
+		return;
+	}
+
+	switch (state) {
+	case BR_STATE_FORWARDING:
+		zebra_vxlan_if_vni_up(zif->ifp, vnip);
+		break;
+	case BR_STATE_BLOCKING:
+		zebra_vxlan_if_vni_down(zif->ifp, vnip);
+		break;
+	case BR_STATE_DISABLED:
+	case BR_STATE_LISTENING:
+	case BR_STATE_LEARNING:
+	default:
+		/* Not used for anything at the moment */
+		break;
+	}
+}
+
+void vlan_id_range_state_change(struct interface *ifp, uint16_t id_start,
+				uint16_t id_end, uint8_t state)
+{
+	struct zebra_if *zif;
+
+	zif = (struct zebra_if *)ifp->info;
+
+	if (!zif)
+		return;
+
+	for (uint16_t i = id_start; i <= id_end; i++)
+		vxlan_vni_state_change(zif, i, state);
+}

zebra/zebra_vxlan.h

@@ -221,7 +221,11 @@ extern int zebra_vxlan_dp_network_mac_del(struct interface *ifp,
 
 extern void zebra_vxlan_set_accept_bgp_seq(bool set);
 extern bool zebra_vxlan_get_accept_bgp_seq(void);
-
+extern void vlan_id_range_state_change(struct interface *ifp, uint16_t id_start,
+				       uint16_t id_end, uint8_t state);
+extern void vxlan_vni_state_change(struct zebra_if *zif, uint16_t id,
+				   uint8_t state);
+extern const char *port_state2str(uint8_t state);
 #ifdef __cplusplus
 }
 #endif