Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/…

…davem/net-2.6

* 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6: (25 commits)
  [TG3]: Fix msi issue with kexec/kdump.
  [NET] XFRM: Fix whitespace errors.
  [NET] TIPC: Fix whitespace errors.
  [NET] SUNRPC: Fix whitespace errors.
  [NET] SCTP: Fix whitespace errors.
  [NET] RXRPC: Fix whitespace errors.
  [NET] ROSE: Fix whitespace errors.
  [NET] RFKILL: Fix whitespace errors.
  [NET] PACKET: Fix whitespace errors.
  [NET] NETROM: Fix whitespace errors.
  [NET] NETFILTER: Fix whitespace errors.
  [NET] IPV4: Fix whitespace errors.
  [NET] DCCP: Fix whitespace errors.
  [NET] CORE: Fix whitespace errors.
  [NET] BLUETOOTH: Fix whitespace errors.
  [NET] AX25: Fix whitespace errors.
  [PATCH] mac80211: remove rtnl locking in ieee80211_sta.c
  [PATCH] mac80211: fix GCC warning on 64bit platforms
  [GENETLINK]: Dynamic multicast groups.
  [NETLIKN]: Allow removing multicast groups.
  ...

drivers/net/tg3.c

@@ -64,8 +64,8 @@
 
 #define DRV_MODULE_NAME		"tg3"
 #define PFX DRV_MODULE_NAME	": "
-#define DRV_MODULE_VERSION	"3.78"
-#define DRV_MODULE_RELDATE	"July 11, 2007"
+#define DRV_MODULE_VERSION	"3.79"
+#define DRV_MODULE_RELDATE	"July 18, 2007"
 
 #define TG3_DEF_MAC_MODE	0
 #define TG3_DEF_RX_MODE		0
@@ -4847,6 +4847,59 @@ static int tg3_poll_fw(struct tg3 *tp)
 	return 0;
 }
 
+/* Save PCI command register before chip reset */
+static void tg3_save_pci_state(struct tg3 *tp)
+{
+	u32 val;
+
+	pci_read_config_dword(tp->pdev, TG3PCI_COMMAND, &val);
+	tp->pci_cmd = val;
+}
+
+/* Restore PCI state after chip reset */
+static void tg3_restore_pci_state(struct tg3 *tp)
+{
+	u32 val;
+
+	/* Re-enable indirect register accesses. */
+	pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
+			       tp->misc_host_ctrl);
+
+	/* Set MAX PCI retry to zero. */
+	val = (PCISTATE_ROM_ENABLE | PCISTATE_ROM_RETRY_ENABLE);
+	if (tp->pci_chip_rev_id == CHIPREV_ID_5704_A0 &&
+	    (tp->tg3_flags & TG3_FLAG_PCIX_MODE))
+		val |= PCISTATE_RETRY_SAME_DMA;
+	pci_write_config_dword(tp->pdev, TG3PCI_PCISTATE, val);
+
+	pci_write_config_dword(tp->pdev, TG3PCI_COMMAND, tp->pci_cmd);
+
+	/* Make sure PCI-X relaxed ordering bit is clear. */
+	pci_read_config_dword(tp->pdev, TG3PCI_X_CAPS, &val);
+	val &= ~PCIX_CAPS_RELAXED_ORDERING;
+	pci_write_config_dword(tp->pdev, TG3PCI_X_CAPS, val);
+
+	if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS) {
+		u32 val;
+
+		/* Chip reset on 5780 will reset MSI enable bit,
+		 * so need to restore it.
+		 */
+		if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
+			u16 ctrl;
+
+			pci_read_config_word(tp->pdev,
+					     tp->msi_cap + PCI_MSI_FLAGS,
+					     &ctrl);
+			pci_write_config_word(tp->pdev,
+					      tp->msi_cap + PCI_MSI_FLAGS,
+					      ctrl | PCI_MSI_FLAGS_ENABLE);
+			val = tr32(MSGINT_MODE);
+			tw32(MSGINT_MODE, val | MSGINT_MODE_ENABLE);
+		}
+	}
+}
+
 static void tg3_stop_fw(struct tg3 *);
 
 /* tp->lock is held. */
@@ -4863,6 +4916,12 @@ static int tg3_chip_reset(struct tg3 *tp)
 	 */
 	tp->nvram_lock_cnt = 0;
 
+	/* GRC_MISC_CFG core clock reset will clear the memory
+	 * enable bit in PCI register 4 and the MSI enable bit
+	 * on some chips, so we save relevant registers here.
+	 */
+	tg3_save_pci_state(tp);
+
 	if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752 ||
 	    GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
 	    GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787)
@@ -4961,50 +5020,14 @@ static int tg3_chip_reset(struct tg3 *tp)
 		pci_write_config_dword(tp->pdev, 0xd8, 0xf5000);
 	}
 
-	/* Re-enable indirect register accesses. */
-	pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
-			       tp->misc_host_ctrl);
-
-	/* Set MAX PCI retry to zero. */
-	val = (PCISTATE_ROM_ENABLE | PCISTATE_ROM_RETRY_ENABLE);
-	if (tp->pci_chip_rev_id == CHIPREV_ID_5704_A0 &&
-	    (tp->tg3_flags & TG3_FLAG_PCIX_MODE))
-		val |= PCISTATE_RETRY_SAME_DMA;
-	pci_write_config_dword(tp->pdev, TG3PCI_PCISTATE, val);
-
-	pci_restore_state(tp->pdev);
+	tg3_restore_pci_state(tp);
 
 	tp->tg3_flags &= ~TG3_FLAG_CHIP_RESETTING;
 
-	/* Make sure PCI-X relaxed ordering bit is clear. */
-	pci_read_config_dword(tp->pdev, TG3PCI_X_CAPS, &val);
-	val &= ~PCIX_CAPS_RELAXED_ORDERING;
-	pci_write_config_dword(tp->pdev, TG3PCI_X_CAPS, val);
-
-	if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS) {
-		u32 val;
-
-		/* Chip reset on 5780 will reset MSI enable bit,
-		 * so need to restore it.
-		 */
-		if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
-			u16 ctrl;
-
-			pci_read_config_word(tp->pdev,
-					     tp->msi_cap + PCI_MSI_FLAGS,
-					     &ctrl);
-			pci_write_config_word(tp->pdev,
-					      tp->msi_cap + PCI_MSI_FLAGS,
-					      ctrl | PCI_MSI_FLAGS_ENABLE);
-			val = tr32(MSGINT_MODE);
-			tw32(MSGINT_MODE, val | MSGINT_MODE_ENABLE);
-		}
-
+	val = 0;
+	if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)
 		val = tr32(MEMARB_MODE);
-		tw32(MEMARB_MODE, val | MEMARB_MODE_ENABLE);
-
-	} else
-		tw32(MEMARB_MODE, MEMARB_MODE_ENABLE);
+	tw32(MEMARB_MODE, val | MEMARB_MODE_ENABLE);
 
 	if (tp->pci_chip_rev_id == CHIPREV_ID_5750_A3) {
 		tg3_stop_fw(tp);
@@ -11978,7 +12001,6 @@ static int __devinit tg3_init_one(struct pci_dev *pdev,
 	 */
 	if ((tr32(HOSTCC_MODE) & HOSTCC_MODE_ENABLE) ||
 	    (tr32(WDMAC_MODE) & WDMAC_MODE_ENABLE)) {
-		pci_save_state(tp->pdev);
 		tw32(MEMARB_MODE, MEMARB_MODE_ENABLE);
 		tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
 	}
@@ -12007,12 +12029,6 @@ static int __devinit tg3_init_one(struct pci_dev *pdev,
 
 	tg3_init_coal(tp);
 
-	/* Now that we have fully setup the chip, save away a snapshot
-	 * of the PCI config space.  We need to restore this after
-	 * GRC_MISC_CFG core clock resets and some resume events.
-	 */
-	pci_save_state(tp->pdev);
-
 	pci_set_drvdata(pdev, dev);
 
 	err = register_netdev(dev);

drivers/net/tg3.h

@@ -2345,6 +2345,7 @@ struct tg3 {
 #define PHY_REV_BCM5411_X0		0x1 /* Found on Netgear GA302T */
 
 	u32				led_ctrl;
+	u32				pci_cmd;
 
 	char				board_part_number[24];
 	char				fw_ver[16];

include/linux/genetlink.h

@@ -39,6 +39,9 @@ enum {
 	CTRL_CMD_NEWOPS,
 	CTRL_CMD_DELOPS,
 	CTRL_CMD_GETOPS,
+	CTRL_CMD_NEWMCAST_GRP,
+	CTRL_CMD_DELMCAST_GRP,
+	CTRL_CMD_GETMCAST_GRP, /* unused */
 	__CTRL_CMD_MAX,
 };
 
@@ -52,6 +55,7 @@ enum {
 	CTRL_ATTR_HDRSIZE,
 	CTRL_ATTR_MAXATTR,
 	CTRL_ATTR_OPS,
+	CTRL_ATTR_MCAST_GROUPS,
 	__CTRL_ATTR_MAX,
 };
 
@@ -66,4 +70,13 @@ enum {
 
 #define CTRL_ATTR_OP_MAX (__CTRL_ATTR_OP_MAX - 1)
 
+enum {
+	CTRL_ATTR_MCAST_GRP_UNSPEC,
+	CTRL_ATTR_MCAST_GRP_NAME,
+	CTRL_ATTR_MCAST_GRP_ID,
+	__CTRL_ATTR_MCAST_GRP_MAX,
+};
+
+#define CTRL_ATTR_MCAST_GRP_MAX (__CTRL_ATTR_MCAST_GRP_MAX - 1)
+
 #endif	/* __LINUX_GENERIC_NETLINK_H */

include/linux/netlink.h

@@ -161,6 +161,8 @@ extern struct sock *netlink_kernel_create(int unit, unsigned int groups,
 					  void (*input)(struct sock *sk, int len),
 					  struct mutex *cb_mutex,
 					  struct module *module);
+extern int netlink_change_ngroups(struct sock *sk, unsigned int groups);
+extern void netlink_clear_multicast_users(struct sock *sk, unsigned int group);
 extern void netlink_ack(struct sk_buff *in_skb, struct nlmsghdr *nlh, int err);
 extern int netlink_has_listeners(struct sock *sk, unsigned int group);
 extern int netlink_unicast(struct sock *ssk, struct sk_buff *skb, __u32 pid, int nonblock);

include/net/genetlink.h

@@ -4,6 +4,22 @@
 #include <linux/genetlink.h>
 #include <net/netlink.h>
 
+/**
+ * struct genl_multicast_group - generic netlink multicast group
+ * @name: name of the multicast group, names are per-family
+ * @id: multicast group ID, assigned by the core, to use with
+ *      genlmsg_multicast().
+ * @list: list entry for linking
+ * @family: pointer to family, need not be set before registering
+ */
+struct genl_multicast_group
+{
+	struct genl_family	*family;	/* private */
+	struct list_head	list;		/* private */
+	char			name[GENL_NAMSIZ];
+	u32			id;
+};
+
 /**
  * struct genl_family - generic netlink family
  * @id: protocol family idenfitier
@@ -14,6 +30,7 @@
  * @attrbuf: buffer to store parsed attributes
  * @ops_list: list of all assigned operations
  * @family_list: family list
+ * @mcast_groups: multicast groups list
  */
 struct genl_family
 {
@@ -25,6 +42,7 @@ struct genl_family
 	struct nlattr **	attrbuf;	/* private */
 	struct list_head	ops_list;	/* private */
 	struct list_head	family_list;	/* private */
+	struct list_head	mcast_groups;	/* private */
 };
 
 /**
@@ -73,6 +91,10 @@ extern int genl_register_family(struct genl_family *family);
 extern int genl_unregister_family(struct genl_family *family);
 extern int genl_register_ops(struct genl_family *, struct genl_ops *ops);
 extern int genl_unregister_ops(struct genl_family *, struct genl_ops *ops);
+extern int genl_register_mc_group(struct genl_family *family,
+				  struct genl_multicast_group *grp);
+extern void genl_unregister_mc_group(struct genl_family *family,
+				     struct genl_multicast_group *grp);
 
 extern struct sock *genl_sock;
 

net/ax25/af_ax25.c

@@ -1262,7 +1262,7 @@ static int __must_check ax25_connect(struct socket *sock,
 
 		for (;;) {
 			prepare_to_wait(sk->sk_sleep, &wait,
-			                TASK_INTERRUPTIBLE);
+					TASK_INTERRUPTIBLE);
 			if (sk->sk_state != TCP_SYN_SENT)
 				break;
 			if (!signal_pending(current)) {

net/bluetooth/hci_core.c

@@ -982,7 +982,7 @@ int hci_recv_fragment(struct hci_dev *hdev, int type, void *data, int count)
 
 			skb->dev = (void *) hdev;
 			bt_cb(skb)->pkt_type = type;
-	
+
 			__reassembly(hdev, type) = skb;
 
 			scb = (void *) skb->cb;

net/core/dev.c

@@ -2629,7 +2629,7 @@ void __dev_set_rx_mode(struct net_device *dev)
 		return;
 
 	if (!netif_device_present(dev))
-	        return;
+		return;
 
 	if (dev->set_rx_mode)
 		dev->set_rx_mode(dev);

net/core/rtnetlink.c

@@ -98,7 +98,7 @@ int rtattr_parse(struct rtattr *tb[], int maxattr, struct rtattr *rta, int len)
 }
 
 int __rtattr_parse_nested_compat(struct rtattr *tb[], int maxattr,
-			         struct rtattr *rta, int len)
+				 struct rtattr *rta, int len)
 {
 	if (RTA_PAYLOAD(rta) < len)
 		return -1;

net/core/sock.c

@@ -230,7 +230,7 @@ static int sock_set_timeout(long *timeo_p, char __user *optval, int optlen)
 			warned++;
 			printk(KERN_INFO "sock_set_timeout: `%s' (pid %d) "
 			       "tries to set negative timeout\n",
-			        current->comm, current->pid);
+				current->comm, current->pid);
 		return 0;
 	}
 	*timeo_p = MAX_SCHEDULE_TIMEOUT;

net/dccp/ccids/lib/loss_interval.c

@@ -227,7 +227,7 @@ void dccp_li_update_li(struct sock *sk,
 		       struct list_head *li_hist_list,
 		       struct list_head *hist_list,
 		       struct timeval *last_feedback, u16 s, u32 bytes_recv,
-                       u32 previous_x_recv, u64 seq_loss, u8 win_loss)
+		       u32 previous_x_recv, u64 seq_loss, u8 win_loss)
 {
 	struct dccp_li_hist_entry *head;
 	u64 seq_temp;

net/ipv4/fib_frontend.c

@@ -817,7 +817,7 @@ static void nl_fib_input(struct sock *sk, int len)
 static void nl_fib_lookup_init(void)
 {
       netlink_kernel_create(NETLINK_FIB_LOOKUP, 0, nl_fib_input, NULL,
-      			    THIS_MODULE);
+			    THIS_MODULE);
 }
 
 static void fib_disable_ip(struct net_device *dev, int force)

net/ipv4/ip_forward.c

@@ -86,7 +86,7 @@ int ip_forward(struct sk_buff *skb)
 		goto sr_failed;
 
 	if (unlikely(skb->len > dst_mtu(&rt->u.dst) &&
-	             (ip_hdr(skb)->frag_off & htons(IP_DF))) && !skb->local_df) {
+		     (ip_hdr(skb)->frag_off & htons(IP_DF))) && !skb->local_df) {
 		IP_INC_STATS(IPSTATS_MIB_FRAGFAILS);
 		icmp_send(skb, ICMP_DEST_UNREACH, ICMP_FRAG_NEEDED,
 			  htonl(dst_mtu(&rt->u.dst)));

net/ipv4/tcp_output.c

@@ -1615,7 +1615,7 @@ u32 __tcp_select_window(struct sock *sk)
 		if (window <= free_space - mss || window > free_space)
 			window = (free_space/mss)*mss;
 		else if (mss == full_space &&
-		         free_space > window + full_space/2)
+			 free_space > window + full_space/2)
 			window = free_space;
 	}
 

net/mac80211/Makefile

@@ -13,6 +13,7 @@ mac80211-objs := \
 	ieee80211_iface.o \
 	ieee80211_rate.o \
 	michael.o \
+	regdomain.o \
 	tkip.o \
 	aes_ccm.o \
 	wme.o \

net/mac80211/debugfs_netdev.c

@@ -397,6 +397,8 @@ static int netdev_notify(struct notifier_block * nb,
 			 void *ndev)
 {
 	struct net_device *dev = ndev;
+	struct dentry *dir;
+	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 	char buf[10+IFNAMSIZ];
 
 	if (state != NETDEV_CHANGENAME)
@@ -408,10 +410,11 @@ static int netdev_notify(struct notifier_block * nb,
 	if (dev->ieee80211_ptr->wiphy->privid != mac80211_wiphy_privid)
 		return 0;
 
-	/* TODO
 	sprintf(buf, "netdev:%s", dev->name);
-	debugfs_rename(IEEE80211_DEV_TO_SUB_IF(dev)->debugfsdir, buf);
-	*/
+	dir = sdata->debugfsdir;
+	if (!debugfs_rename(dir->d_parent, dir, dir->d_parent, buf))
+		printk(KERN_ERR "mac80211: debugfs: failed to rename debugfs "
+		       "dir to %s\n", buf);
 
 	return 0;
 }

net/mac80211/ieee80211.c

@@ -4986,8 +4986,8 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
 	 * and we need some headroom for passing the frame to monitor
 	 * interfaces, but never both at the same time.
 	 */
-	local->tx_headroom = max(local->hw.extra_tx_headroom,
-				 sizeof(struct ieee80211_tx_status_rtap_hdr));
+	local->tx_headroom = max_t(unsigned int , local->hw.extra_tx_headroom,
+				   sizeof(struct ieee80211_tx_status_rtap_hdr));
 
 	debugfs_hw_add(local);
 
@@ -5095,7 +5095,7 @@ int ieee80211_register_hwmode(struct ieee80211_hw *hw,
 	}
 
 	if (!(hw->flags & IEEE80211_HW_DEFAULT_REG_DOMAIN_CONFIGURED))
-		ieee80211_init_client(local->mdev);
+		ieee80211_set_default_regdomain(mode);
 
 	return 0;
 }
@@ -5246,6 +5246,7 @@ static int __init ieee80211_init(void)
 	}
 
 	ieee80211_debugfs_netdev_init();
+	ieee80211_regdomain_init();
 
 	return 0;
 }