---

yaml
---
r: 23318
b: refs/heads/master
c: 711e2c3
h: refs/heads/master
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 9a107aa24a1dbc05d58a4fdd2c4d2861f8bd5ae6
+refs/heads/master: 711e2c33ac9221a419a9e28d05dd78a6a9c5fd4d

trunk/drivers/net/wireless/Kconfig

@@ -25,6 +25,15 @@ config NET_RADIO
 	  the tools from
 	  <http://www.hpl.hp.com/personal/Jean_Tourrilhes/Linux/Tools.html>.
 
+config NET_WIRELESS_RTNETLINK
+	bool "Wireless Extension API over RtNetlink"
+	---help---
+	  Support the Wireless Extension API over the RtNetlink socket
+	  in addition to the traditional ioctl interface (selected above).
+
+	  For now, few tools use this facility, but it might grow in the
+	  future. The only downside is that it adds 4.5 kB to your kernel.
+
 # Note : the cards are obsolete (can't buy them anymore), but the drivers
 # are not, as people are still using them...
 comment "Obsolete Wireless cards support (pre-802.11)"

trunk/include/linux/wireless.h

@@ -1,10 +1,10 @@
 /*
  * This file define a set of standard wireless extensions
  *
- * Version :	19	18.3.05
+ * Version :	20	17.2.06
  *
  * Authors :	Jean Tourrilhes - HPL - <jt@hpl.hp.com>
- * Copyright (c) 1997-2005 Jean Tourrilhes, All Rights Reserved.
+ * Copyright (c) 1997-2006 Jean Tourrilhes, All Rights Reserved.
  */
 
 #ifndef _LINUX_WIRELESS_H
@@ -80,7 +80,7 @@
  * (there is some stuff that will be added in the future...)
  * I just plan to increment with each new version.
  */
-#define WIRELESS_EXT	19
+#define WIRELESS_EXT	20
 
 /*
  * Changes :
@@ -204,6 +204,10 @@
  *	- Add IW_QUAL_ALL_UPDATED and IW_QUAL_ALL_INVALID macros
  *	- Add explicit flag to tell stats are in dBm : IW_QUAL_DBM
  *	- Add IW_IOCTL_IDX() and IW_EVENT_IDX() macros
+ *
+ * V19 to V20
+ * ----------
+ *	- RtNetlink requests support (SET/GET)
  */
 
 /**************************** CONSTANTS ****************************/

trunk/include/net/iw_handler.h

@@ -4,7 +4,7 @@
  * Version :	7	18.3.05
  *
  * Authors :	Jean Tourrilhes - HPL - <jt@hpl.hp.com>
- * Copyright (c) 2001-2005 Jean Tourrilhes, All Rights Reserved.
+ * Copyright (c) 2001-2006 Jean Tourrilhes, All Rights Reserved.
  */
 
 #ifndef _IW_HANDLER_H
@@ -436,6 +436,16 @@ extern int dev_get_wireless_info(char * buffer, char **start, off_t offset,
 /* Handle IOCTLs, called in net/core/dev.c */
 extern int wireless_process_ioctl(struct ifreq *ifr, unsigned int cmd);
 
+/* Handle RtNetlink requests, called in net/core/rtnetlink.c */
+extern int wireless_rtnetlink_set(struct net_device *	dev,
+				  char *		data,
+				  int			len);
+extern int wireless_rtnetlink_get(struct net_device *	dev,
+				  char *		data,
+				  int			len,
+				  char **		p_buf,
+				  int *			p_len);
+
 /* Second : functions that may be called by driver modules */
 
 /* Send a single event to user space */

trunk/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 @@ static int do_setlink(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg)
 	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	 },