Add basic carrier detection

[framework/connectivity/connman.git] / src / rtnl.c

diff --git a/src/rtnl.c b/src/rtnl.c
index 5b24549..726d491 100644 (file)
--- a/src/rtnl.c
+++ b/src/rtnl.c
@@ -29,6 +29,7 @@
 #include <sys/socket.h>
 #include <arpa/inet.h>
 
+#include <linux/if.h>
 #include <linux/netlink.h>
 #include <linux/rtnetlink.h>
 
@@ -38,16 +39,17 @@
 
 static inline void print_char(struct rtattr *attr, const char *name)
 {
-       printf("  attr %s (len %d) %s", name, RTA_PAYLOAD(attr),
+       printf("  attr %s (len %d) %s\n", name, RTA_PAYLOAD(attr),
                                                (char *) RTA_DATA(attr));
 }
 
 static inline void print_attr(struct rtattr *attr, const char *name)
 {
        if (name)
-               printf("  attr %s (len %d)", name, RTA_PAYLOAD(attr));
+               printf("  attr %s (len %d)\n", name, RTA_PAYLOAD(attr));
        else
-               printf("  attr %d (len %d)", attr->rta_type, RTA_PAYLOAD(attr));
+               printf("  attr %d (len %d)\n",
+                                       attr->rta_type, RTA_PAYLOAD(attr));
 }
 
 static void rtnl_link(struct nlmsghdr *hdr)
@@ -60,7 +62,7 @@ static void rtnl_link(struct nlmsghdr *hdr)
        msg = (struct ifinfomsg *) NLMSG_DATA(hdr);
        bytes = IFLA_PAYLOAD(hdr);
 
-       DBG("ifi_index %d ifi_flags %d", msg->ifi_index, msg->ifi_flags);
+       DBG("ifi_index %d ifi_flags 0x%04x", msg->ifi_index, msg->ifi_flags);
 
        iface = __connman_iface_find(msg->ifi_index);
        if (iface == NULL)
@@ -69,6 +71,11 @@ static void rtnl_link(struct nlmsghdr *hdr)
        if ((iface->flags & CONNMAN_IFACE_FLAG_RTNL) == 0)
                return;
 
+       if (iface->carrier != (msg->ifi_flags & IFF_RUNNING)) {
+               iface->carrier = (msg->ifi_flags & IFF_RUNNING);
+               DBG("carrier %s", iface->carrier ? "on" : "off");
+       }
+
        for (attr = IFLA_RTA(msg); RTA_OK(attr, bytes);
                                        attr = RTA_NEXT(attr, bytes)) {
                switch (attr->rta_type) {
@@ -206,7 +213,7 @@ static void rtnl_route(struct nlmsghdr *hdr)
        msg = (struct rtmsg *) NLMSG_DATA(hdr);
        bytes = RTM_PAYLOAD(hdr);
 
-       DBG("rtm_family %d rtm_flags %d", msg->rtm_family, msg->rtm_flags);
+       DBG("rtm_family %d rtm_flags 0x%04x", msg->rtm_family, msg->rtm_flags);
 
        for (attr = RTM_RTA(msg); RTA_OK(attr, bytes);
                                        attr = RTA_NEXT(attr, bytes)) {