net: ip: conn_mgr_connectivity usage calls

Add interface usage notifications to the `NET_NATIVE` code paths.

Signed-off-by: Jordan Yates <jordan@embeint.com>

Author: JordanYates

subsys/net/ip/net_core.c

@@ -23,6 +23,7 @@ LOG_MODULE_REGISTER(net_core, CONFIG_NET_CORE_LOG_LEVEL);
 #include <string.h>
 #include <errno.h>
 
+#include <zephyr/net/conn_mgr_connectivity.h>
 #include <zephyr/net/ipv4_autoconf.h>
 #include <zephyr/net/net_if.h>
 #include <zephyr/net/net_mgmt.h>
@@ -471,6 +472,7 @@ static void net_rx(struct net_if *iface, struct net_pkt *pkt)
 	NET_DBG("Received pkt %p len %zu", pkt, pkt_len);
 
 	net_stats_update_bytes_recv(iface, pkt_len);
+	conn_mgr_if_used(iface);
 
 	if (IS_ENABLED(CONFIG_NET_LOOPBACK)) {
 #ifdef CONFIG_NET_L2_DUMMY

subsys/net/ip/net_if.c

@@ -15,6 +15,7 @@ LOG_MODULE_REGISTER(net_if, CONFIG_NET_IF_LOG_LEVEL);
 #include <zephyr/internal/syscall_handler.h>
 #include <stdlib.h>
 #include <string.h>
+#include <zephyr/net/conn_mgr_connectivity.h>
 #include <zephyr/net/igmp.h>
 #include <zephyr/net/ipv4_autoconf.h>
 #include <zephyr/net/mld.h>
@@ -310,6 +311,7 @@ static bool net_if_tx(struct net_if *iface, struct net_pkt *pkt)
 		net_pkt_unref(pkt);
 	} else {
 		net_stats_update_bytes_sent(iface, status);
+		conn_mgr_if_used(iface);
 	}
 
 	if (context) {