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Diffstat (limited to 'net/core/rtnetlink.c')
-rw-r--r--net/core/rtnetlink.c98
1 files changed, 97 insertions, 1 deletions
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index ae10d3740fa..3fcfa9c59e1 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -51,6 +51,10 @@
#include <net/sock.h>
#include <net/pkt_sched.h>
#include <net/netlink.h>
+#ifdef CONFIG_NET_WIRELESS_RTNETLINK
+#include <linux/wireless.h>
+#include <net/iw_handler.h>
+#endif /* CONFIG_NET_WIRELESS_RTNETLINK */
static DEFINE_MUTEX(rtnl_mutex);
@@ -467,6 +471,17 @@ static int do_setlink(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg)
goto out;
}
+#ifdef CONFIG_NET_WIRELESS_RTNETLINK
+ if (ida[IFLA_WIRELESS - 1]) {
+
+ /* Call Wireless Extensions.
+ * Various stuff checked in there... */
+ err = wireless_rtnetlink_set(dev, RTA_DATA(ida[IFLA_WIRELESS - 1]), ida[IFLA_WIRELESS - 1]->rta_len);
+ if (err)
+ goto out;
+ }
+#endif /* CONFIG_NET_WIRELESS_RTNETLINK */
+
err = 0;
out:
@@ -477,6 +492,83 @@ out:
return err;
}
+#ifdef CONFIG_NET_WIRELESS_RTNETLINK
+static int do_getlink(struct sk_buff *in_skb, struct nlmsghdr* in_nlh, void *arg)
+{
+ struct ifinfomsg *ifm = NLMSG_DATA(in_nlh);
+ struct rtattr **ida = arg;
+ struct net_device *dev;
+ struct ifinfomsg *r;
+ struct nlmsghdr *nlh;
+ int err = -ENOBUFS;
+ struct sk_buff *skb;
+ unsigned char *b;
+ char *iw_buf = NULL;
+ int iw_buf_len = 0;
+
+ if (ifm->ifi_index >= 0)
+ dev = dev_get_by_index(ifm->ifi_index);
+ else
+ return -EINVAL;
+ if (!dev)
+ return -ENODEV;
+
+#ifdef CONFIG_NET_WIRELESS_RTNETLINK
+ if (ida[IFLA_WIRELESS - 1]) {
+
+ /* Call Wireless Extensions. We need to know the size before
+ * we can alloc. Various stuff checked in there... */
+ err = wireless_rtnetlink_get(dev, RTA_DATA(ida[IFLA_WIRELESS - 1]), ida[IFLA_WIRELESS - 1]->rta_len, &iw_buf, &iw_buf_len);
+ if (err)
+ goto out;
+ }
+#endif /* CONFIG_NET_WIRELESS_RTNETLINK */
+
+ /* Create a skb big enough to include all the data.
+ * Some requests are way bigger than 4k... Jean II */
+ skb = alloc_skb((NLMSG_LENGTH(sizeof(*r))) + (RTA_SPACE(iw_buf_len)),
+ GFP_KERNEL);
+ if (!skb)
+ goto out;
+ b = skb->tail;
+
+ /* Put in the message the usual good stuff */
+ nlh = NLMSG_PUT(skb, NETLINK_CB(in_skb).pid, in_nlh->nlmsg_seq,
+ RTM_NEWLINK, sizeof(*r));
+ r = NLMSG_DATA(nlh);
+ r->ifi_family = AF_UNSPEC;
+ r->__ifi_pad = 0;
+ r->ifi_type = dev->type;
+ r->ifi_index = dev->ifindex;
+ r->ifi_flags = dev->flags;
+ r->ifi_change = 0;
+
+ /* Put the wireless payload if it exist */
+ if(iw_buf != NULL)
+ RTA_PUT(skb, IFLA_WIRELESS, iw_buf_len,
+ iw_buf + IW_EV_POINT_OFF);
+
+ nlh->nlmsg_len = skb->tail - b;
+
+ /* Needed ? */
+ NETLINK_CB(skb).dst_pid = NETLINK_CB(in_skb).pid;
+
+ err = netlink_unicast(rtnl, skb, NETLINK_CB(in_skb).pid, MSG_DONTWAIT);
+ if (err > 0)
+ err = 0;
+out:
+ if(iw_buf != NULL)
+ kfree(iw_buf);
+ dev_put(dev);
+ return err;
+
+rtattr_failure:
+nlmsg_failure:
+ kfree_skb(skb);
+ goto out;
+}
+#endif /* CONFIG_NET_WIRELESS_RTNETLINK */
+
static int rtnetlink_dump_all(struct sk_buff *skb, struct netlink_callback *cb)
{
int idx;
@@ -642,7 +734,11 @@ static void rtnetlink_rcv(struct sock *sk, int len)
static struct rtnetlink_link link_rtnetlink_table[RTM_NR_MSGTYPES] =
{
- [RTM_GETLINK - RTM_BASE] = { .dumpit = rtnetlink_dump_ifinfo },
+ [RTM_GETLINK - RTM_BASE] = {
+#ifdef CONFIG_NET_WIRELESS_RTNETLINK
+ .doit = do_getlink,
+#endif /* CONFIG_NET_WIRELESS_RTNETLINK */
+ .dumpit = rtnetlink_dump_ifinfo },
[RTM_SETLINK - RTM_BASE] = { .doit = do_setlink },
[RTM_GETADDR - RTM_BASE] = { .dumpit = rtnetlink_dump_all },
[RTM_GETROUTE - RTM_BASE] = { .dumpit = rtnetlink_dump_all },