From db05057a790a9ceba60e33e07c899aa807fff9b7 Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Date: Mon, 27 Jul 2009 17:05:17 -0700
Subject: [PATCH] compat-2.6: new netns compat work

There is still more to go.

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
---
 compat/compat-2.6.32.h |  7 ++++
 compat/compat.diff     | 84 ++++++++++++++++++++++++++++++++++--------
 2 files changed, 75 insertions(+), 16 deletions(-)

diff --git a/compat/compat-2.6.32.h b/compat/compat-2.6.32.h
index 931fac2136a4..3a1aecd5548e 100644
--- a/compat/compat-2.6.32.h
+++ b/compat/compat-2.6.32.h
@@ -14,6 +14,13 @@
 #define SDIO_DEVICE_ID_INTEL_IWMC3200GPS	0x1405
 #define SDIO_DEVICE_ID_INTEL_IWMC3200BT		0x1406
 
+/*
+ * struct genl_multicast_group was made netns aware through
+ * patch "genetlink: make netns aware" by johannes, we just
+ * force this to always use the default init_net
+ */
+#define genl_info_net(x) &init_net
+
 #endif /* (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,32)) */
 
 #endif /* LINUX_26_32_COMPAT_H */
diff --git a/compat/compat.diff b/compat/compat.diff
index bdf56695d24f..d3f8e90e4702 100644
--- a/compat/compat.diff
+++ b/compat/compat.diff
@@ -949,22 +949,6 @@
 -	zd_chip_control_leds(&mac->chip, LED_OFF);
 +	zd_chip_control_leds(&mac->chip, ZD_LED_OFF);
  }
---- a/net/wireless/wext.c	2009-07-27 14:43:30.802074596 -0700
-+++ b/net/wireless/wext.c	2009-07-27 14:43:31.310065767 -0700
-@@ -1118,8 +1118,13 @@ static int wireless_process_ioctl(struct
- 			return private(dev, iwr, cmd, info, handler);
- 	}
- 	/* Old driver API : call driver ioctl handler */
-+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,29))
- 	if (dev->netdev_ops->ndo_do_ioctl)
- 		return dev->netdev_ops->ndo_do_ioctl(dev, ifr, cmd);
-+#else
-+	if (dev->do_ioctl)
-+		return dev->do_ioctl(dev, ifr, cmd);
-+#endif
- 	return -EOPNOTSUPP;
- }
- 
 --- a/drivers/net/wireless/libertas/defs.h	2009-07-08 14:04:29.692256519 -0700
 +++ b/drivers/net/wireless/libertas/defs.h	2009-07-08 14:03:26.712279246 -0700
 @@ -16,6 +16,14 @@
@@ -982,3 +966,71 @@
  
  #define LBS_DEB_ENTER	0x00000001
  #define LBS_DEB_LEAVE	0x00000002
+--- a/net/wireless/wext.c	2009-07-27 15:38:09.989056661 -0700
++++ b/net/wireless/wext.c	2009-07-27 16:05:06.681045663 -0700
+@@ -1118,8 +1118,13 @@
+ 			return private(dev, iwr, cmd, info, handler);
+ 	}
+ 	/* Old driver API : call driver ioctl handler */
++#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,29))
+ 	if (dev->netdev_ops->ndo_do_ioctl)
+ 		return dev->netdev_ops->ndo_do_ioctl(dev, ifr, cmd);
++#else
++	if (dev->do_ioctl)
++		return dev->do_ioctl(dev, ifr, cmd);
++#endif
+ 	return -EOPNOTSUPP;
+ }
+ 
+@@ -1272,6 +1277,7 @@
+ }
+ #endif
+ 
++#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,32))
+ static int __net_init wext_pernet_init(struct net *net)
+ {
+ 	skb_queue_head_init(&net->wext_nlevents);
+@@ -1315,6 +1321,29 @@
+ 
+ static DECLARE_WORK(wireless_nlevent_work, wireless_nlevent_process);
+ 
++#else
++/* Older kernels get the old way of doing stuff*/
++static struct sk_buff_head wireless_nlevent_queue;
++
++static int __init wireless_nlevent_init(void)
++{
++	skb_queue_head_init(&wireless_nlevent_queue);
++	return 0;
++}
++
++subsys_initcall(wireless_nlevent_init);
++
++static void wireless_nlevent_process(unsigned long data)
++{
++	struct sk_buff *skb;
++	while ((skb = skb_dequeue(&wireless_nlevent_queue)))
++		rtnl_notify(skb, &init_net, 0, RTNLGRP_LINK, NULL, GFP_ATOMIC);
++}
++
++static DECLARE_TASKLET(wireless_nlevent_tasklet, wireless_nlevent_process, 0);
++
++#endif
++
+ static struct nlmsghdr *rtnetlink_ifinfo_prep(struct net_device *dev,
+ 					      struct sk_buff *skb)
+ {
+@@ -1525,8 +1554,13 @@
+ 
+ 	skb_shinfo(skb)->frag_list = compskb;
+ #endif
++#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,32))
+ 	skb_queue_tail(&dev_net(dev)->wext_nlevents, skb);
+ 	schedule_work(&wireless_nlevent_work);
++#else
++	skb_queue_tail(&wireless_nlevent_queue, skb);
++	tasklet_schedule(&wireless_nlevent_tasklet);
++#endif
+ }
+ EXPORT_SYMBOL(wireless_send_event);
+ 
-- 
2.30.2