Add more netlink debugging

diff --git a/src/rtnl.c b/src/rtnl.c
index d678aa7..a8131d0 100644 (file)
--- a/src/rtnl.c
+++ b/src/rtnl.c
@@ -263,12 +263,14 @@ static void rtnl_message(void *buf, size_t len)
 
        while (len > 0) {
                struct nlmsghdr *hdr = buf;
+               struct nlmsgerr *err;
 
                if (!NLMSG_OK(hdr, len))
                        break;
 
-               DBG("len %d type %d flags 0x%04x",
-                       hdr->nlmsg_len, hdr->nlmsg_type, hdr->nlmsg_flags);
+               DBG("len %d type %d flags 0x%04x seq %d",
+                                       hdr->nlmsg_len, hdr->nlmsg_type,
+                                       hdr->nlmsg_flags, hdr->nlmsg_seq);
 
                switch (hdr->nlmsg_type) {
                case NLMSG_DONE:
@@ -281,7 +283,9 @@ static void rtnl_message(void *buf, size_t len)
                        DBG("overrun");
                        return;
                case NLMSG_ERROR:
-                       DBG("error");
+                       err = NLMSG_DATA(hdr);
+                       DBG("error %d (%s)", -err->error,
+                                               strerror(-err->error));
                        return;
                case RTM_NEWLINK:
                        rtnl_link(hdr);
@@ -371,7 +375,6 @@ int __connman_rtnl_init(void)
        addr.nl_family = AF_NETLINK;
        addr.nl_groups = RTMGRP_LINK;
        //addr.nl_groups = RTMGRP_LINK | RTMGRP_IPV4_IFADDR | RTMGRP_IPV4_ROUTE;
-       addr.nl_pid = getpid();
 
        if (bind(sk, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
                close(sk);