From: Sjur Brændeland sjur.brandel...@stericsson.com
---
Makefile.am |2 +
drivers/stemodem/caif_rtnl.c | 340 ++
drivers/stemodem/caif_rtnl.h | 29
3 files changed, 371 insertions(+), 0 deletions(-)
create mode 100644 drivers/stemodem/caif_rtnl.c
create mode 100644 drivers/stemodem/caif_rtnl.h
diff --git a/Makefile.am b/Makefile.am
index 05082de..f163b0a 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -226,6 +226,8 @@ builtin_sources += drivers/atmodem/atutil.h \
drivers/stemodem/stemodem.c \
drivers/stemodem/voicecall.c \
drivers/stemodem/radio-settings.c \
+ drivers/stemodem/caif_rtnl.c \
+ drivers/stemodem/caif_rtnl.h \
drivers/stemodem/gprs-context.c \
drivers/stemodem/caif_socket.h \
drivers/stemodem/if_caif.h
diff --git a/drivers/stemodem/caif_rtnl.c b/drivers/stemodem/caif_rtnl.c
new file mode 100644
index 000..4ce2401
--- /dev/null
+++ b/drivers/stemodem/caif_rtnl.c
@@ -0,0 +1,340 @@
+/*
+ *
+ * oFono - Open Source Telephony
+ *
+ * Copyright (C) 2010 ST-Ericsson AB.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include config.h
+#endif
+
+#include string.h
+#include unistd.h
+#include errno.h
+#include net/if.h
+#include net/if_arp.h
+#include fcntl.h
+#include linux/rtnetlink.h
+
+#include glib.h
+
+#include ofono/log.h
+
+#include if_caif.h
+#include caif_rtnl.h
+
+#define NLMSG_TAIL(nmsg) \
+ ((struct rtattr *) (((void *) (nmsg)) + NLMSG_ALIGN((nmsg)-nlmsg_len)))
+
+#define RTNL_MSG_SIZE 4096
+
+struct rtnl_msg {
+ struct nlmsghdr n;
+ struct ifinfomsg i;
+ char data[RTNL_MSG_SIZE];
+};
+
+struct iplink_req {
+ guint32 rtnlmsg_seqnr;
+ gpointer user_data;
+ caif_rtnl_create_cb_t callback;
+};
+
+static GSList *pending_requests;
+static guint32 rtnl_seqnr;
+static guint rtnl_watch;
+static GIOChannel *rtnl_channel;
+
+static struct iplink_req *find_request(guint32 seq)
+{
+ GSList *list;
+
+ for (list = pending_requests; list; list = list-next) {
+ struct iplink_req *req = list-data;
+
+ if (req-rtnlmsg_seqnr == seq)
+ return req;
+ }
+
+ return NULL;
+}
+
+static void parse_newlink_param(struct ifinfomsg *msg, int size,
+ int *ifindex, char *ifname)
+{
+ struct rtattr *attr;
+
+ for (attr = IFLA_RTA(msg); RTA_OK(attr, size);
+ attr = RTA_NEXT(attr, size)) {
+
+ if (attr-rta_type == IFLA_IFNAME
+ ifname != NULL) {
+
+ strncpy(ifname, RTA_DATA(attr), IF_NAMESIZE);
+ ifname[IF_NAMESIZE-1] = '\0';
+ break;
+ }
+ }
+
+ *ifindex = msg-ifi_index;
+}
+
+static void parse_rtnl_message(const void *buf, size_t len)
+{
+ struct ifinfomsg *msg;
+ struct iplink_req *req = NULL;
+ char ifname[IF_NAMESIZE];
+ int ifindex;
+
+ while (len 0) {
+ const struct nlmsghdr *hdr = buf;
+
+ if (!NLMSG_OK(hdr, len))
+ break;
+
+ switch (hdr-nlmsg_type) {
+ case RTM_NEWLINK:
+ req = g_slist_nth_data(pending_requests, 0);
+ if (req == NULL)
+ break;
+
+ msg = (struct ifinfomsg *) NLMSG_DATA(hdr);
+ parse_newlink_param(msg, IFA_PAYLOAD(hdr),
+ ifindex, ifname);
+
+ if (req-callback)
+ req-callback(ifindex, ifname, req-user_data);
+ break;
+
+ case NLMSG_ERROR:
+ req = find_request(hdr-nlmsg_seq);
+ if (req == NULL)
+ break;
+
+ DBG(nlmsg error req);
+ if (req-callback)
+ req-callback(-1, ifname, req-user_data);
+ break;
+ default:
+
