From c97b5740adb3b5215ad1961c1834a121ab1100f2 Mon Sep 17 00:00:00 2001
From: Guo-Fu Tseng <cooldavid@cooldavid.org>
Date: Tue, 3 Aug 2010 17:21:01 +0800
Subject: [PATCH] Import jme 1.0.6 source

---
 Makefile | 37 +++++++++++++++-------
 jme.c    | 94 +++++++++++++++++++++++++++++---------------------------
 jme.h    | 44 ++++++--------------------
 3 files changed, 84 insertions(+), 91 deletions(-)

diff --git a/Makefile b/Makefile
index 8116d04..64e6dab 100644
--- a/Makefile
+++ b/Makefile
@@ -1,33 +1,48 @@
-
 MODNAME := jme
-TEMPFILES := $(MODNAME).o $(MODNAME).mod.c $(MODNAME).mod.o Module.symvers .$(MODNAME).*.cmd .tmp_versions modules.order
+obj-m := $(MODNAME).o
 
+ifneq ($(KERNELRELEASE),)
+#########################
+# kbuild part of makefile
+#########################
 EXTRA_CFLAGS += -Wall -O3
 #EXTRA_CFLAGS += -DTX_DEBUG
 #EXTRA_CFLAGS += -DREG_DEBUG
 
-obj-m := $(MODNAME).o
+else
+#########################
+# Normal Makefile
+#########################
+TEMPFILES := $(MODNAME).o $(MODNAME).mod.c $(MODNAME).mod.o Module.symvers .$(MODNAME).*.cmd .tmp_versions modules.order Module.markers Modules.symvers
 
 ifeq (,$(BUILD_KERNEL))
 BUILD_KERNEL=$(shell uname -r)
 endif
-
 KSRC ?= /lib/modules/$(BUILD_KERNEL)/build
 
-all:
-	@$(MAKE) -C $(KSRC) SUBDIRS=$(shell pwd) modules
+all: modules
 	@rm -rf $(TEMPFILES)
+modules:
+	@$(MAKE) -C $(KSRC) M=$(shell pwd) modules
 
-checkstack:
-	$(MAKE) -C $(KSRC) SUBDIRS=$(shell pwd) modules
-	objdump -d $(obj-m) | perl $(KSRC)/scripts/checkstack.pl i386
+checkstack: modules
+	objdump -d $(obj-m) | perl $(KSRC)/scripts/checkstack.pl $(shell uname -m)
 	@rm -rf $(TEMPFILES)
 
-namespacecheck:
-	$(MAKE) -C $(KSRC) SUBDIRS=$(shell pwd) modules
+namespacecheck: modules
 	perl $(KSRC)/scripts/namespace.pl
 	@rm -rf $(TEMPFILES)
 
+install: modules
+	$(MAKE) -C $(KSRC) M=`pwd` modules_install
+
+patch:
+	@/usr/bin/diff -uar -X dontdiff ../../trunc ./ > bc.patch || echo > /dev/null
+
 clean:
 	@rm -rf $(MODNAME).ko $(TEMPFILES)
 
+%::
+	$(MAKE) -C $(KSRC) M=`pwd` $@
+
+endif
diff --git a/jme.c b/jme.c
index e7068c7..9096bbd 100644
--- a/jme.c
+++ b/jme.c
@@ -288,7 +288,7 @@ jme_set_rx_pcc(struct jme_adapter *jme, int p)
 	wmb();
 
 	if (!(test_bit(JME_FLAG_POLL, &jme->flags)))
-		msg_rx_status(jme, "Switched to PCC_P%d\n", p);
+		netif_info(jme, rx_status, jme->dev, "Switched to PCC_P%d\n", p);
 }
 
 static void
@@ -483,13 +483,13 @@ jme_check_link(struct net_device *netdev, int testonly)
 		strcat(linkmsg, (phylink & PHY_LINK_MDI_STAT) ?
 					"MDI-X" :
 					"MDI");
-		msg_link(jme, "Link is up at %s.\n", linkmsg);
+		netif_info(jme, link, jme->dev, "Link is up at %s.\n", linkmsg);
 		netif_carrier_on(netdev);
 	} else {
 		if (testonly)
 			goto out;
 
-		msg_link(jme, "Link is down.\n");
+		netif_info(jme, link, jme->dev, "Link is down.\n");
 		jme->phylink = 0;
 		netif_carrier_off(netdev);
 	}
@@ -883,20 +883,20 @@ jme_rxsum_ok(struct jme_adapter *jme, u16 flags)
 	if (unlikely((flags & (RXWBFLAG_MF | RXWBFLAG_TCPON | RXWBFLAG_TCPCS))
 			== RXWBFLAG_TCPON)) {
 		if (flags & RXWBFLAG_IPV4)
-			msg_rx_err(jme, "TCP Checksum error\n");
+			netif_err(jme, rx_err, jme->dev, "TCP Checksum error\n");
 		return false;
 	}
 
 	if (unlikely((flags & (RXWBFLAG_MF | RXWBFLAG_UDPON | RXWBFLAG_UDPCS))
 			== RXWBFLAG_UDPON)) {
 		if (flags & RXWBFLAG_IPV4)
-			msg_rx_err(jme, "UDP Checksum error.\n");
+			netif_err(jme, rx_err, jme->dev, "UDP Checksum error.\n");
 		return false;
 	}
 
 	if (unlikely((flags & (RXWBFLAG_IPV4 | RXWBFLAG_IPCS))
 			== RXWBFLAG_IPV4)) {
-		msg_rx_err(jme, "IPv4 Checksum error.\n");
+		netif_err(jme, rx_err, jme->dev, "IPv4 Checksum error.\n");
 		return false;
 	}
 
@@ -942,10 +942,15 @@ jme_alloc_and_feed_skb(struct jme_adapter *jme, int idx)
 			skb->ip_summed = CHECKSUM_NONE;
 
 		if (rxdesc->descwb.flags & cpu_to_le16(RXWBFLAG_TAGON)) {
+			spin_lock(&jme->vlgrp_lock);
 			if (jme->vlgrp) {
 				jme->jme_vlan_rx(skb, jme->vlgrp,
 					le16_to_cpu(rxdesc->descwb.vlan));
+				spin_unlock(&jme->vlgrp_lock);
 				NET_STAT(jme).rx_bytes += 4;
+			} else {
+				spin_unlock(&jme->vlgrp_lock);
+				dev_kfree_skb(skb);
 			}
 		} else {
 			jme->jme_rx(skb);
@@ -1050,8 +1055,8 @@ jme_dynamic_pcc(struct jme_adapter *jme)
 
 	if ((NET_STAT(jme).rx_bytes - dpi->last_bytes) > PCC_P3_THRESHOLD)
 		jme_attempt_pcc(dpi, PCC_P3);
-	else if ((NET_STAT(jme).rx_packets - dpi->last_pkts) > PCC_P2_THRESHOLD
-	|| dpi->intr_cnt > PCC_INTR_THRESHOLD)
+	else if ((NET_STAT(jme).rx_packets - dpi->last_pkts) > PCC_P2_THRESHOLD ||
+		 dpi->intr_cnt > PCC_INTR_THRESHOLD)
 		jme_attempt_pcc(dpi, PCC_P2);
 	else
 		jme_attempt_pcc(dpi, PCC_P1);
@@ -1186,9 +1191,9 @@ jme_link_change_tasklet(unsigned long arg)
 
 	while (!atomic_dec_and_test(&jme->link_changing)) {
 		atomic_inc(&jme->link_changing);
-		msg_intr(jme, "Get link change lock failed.\n");
+		netif_info(jme, intr, jme->dev, "Get link change lock failed.\n");
 		while (atomic_read(&jme->link_changing) != 1)
-			msg_intr(jme, "Waiting link change lock.\n");
+			netif_info(jme, intr, jme->dev, "Waiting link change lock.\n");
 	}
 
 	if (jme_check_link(netdev, 1) && jme->old_mtu == netdev->mtu)
@@ -1305,7 +1310,7 @@ jme_rx_empty_tasklet(unsigned long arg)
 	if (unlikely(!netif_carrier_ok(jme->dev)))
 		return;
 
-	msg_rx_status(jme, "RX Queue Full!\n");
+	netif_info(jme, rx_status, jme->dev, "RX Queue Full!\n");
 
 	jme_rx_clean_tasklet(arg);
 
@@ -1325,7 +1330,7 @@ jme_wake_queue_if_stopped(struct jme_adapter *jme)
 	smp_wmb();
 	if (unlikely(netif_queue_stopped(jme->dev) &&
 	atomic_read(&txring->nr_free) >= (jme->tx_wake_threshold))) {
-		msg_tx_done(jme, "TX Queue Waked.\n");
+		netif_info(jme, tx_done, jme->dev, "TX Queue Waked.\n");
 		netif_wake_queue(jme->dev);
 	}
 
@@ -1835,7 +1840,7 @@ jme_tx_csum(struct jme_adapter *jme, struct sk_buff *skb, u8 *flags)
 			*flags |= TXFLAG_UDPCS;
 			break;
 		default:
-			msg_tx_err(jme, "Error upper layer protocol.\n");
+			netif_err(jme, tx_err, jme->dev, "Error upper layer protocol.\n");
 			break;
 		}
 	}
@@ -1910,12 +1915,12 @@ jme_stop_queue_if_full(struct jme_adapter *jme)
 	smp_wmb();
 	if (unlikely(atomic_read(&txring->nr_free) < (MAX_SKB_FRAGS+2))) {
 		netif_stop_queue(jme->dev);
-		msg_tx_queued(jme, "TX Queue Paused.\n");
+		netif_info(jme, tx_queued, jme->dev, "TX Queue Paused.\n");
 		smp_wmb();
 		if (atomic_read(&txring->nr_free)
 			>= (jme->tx_wake_threshold)) {
 			netif_wake_queue(jme->dev);
-			msg_tx_queued(jme, "TX Queue Fast Waked.\n");
+			netif_info(jme, tx_queued, jme->dev, "TX Queue Fast Waked.\n");
 		}
 	}
 
@@ -1923,7 +1928,7 @@ jme_stop_queue_if_full(struct jme_adapter *jme)
 			(jiffies - txbi->start_xmit) >= TX_TIMEOUT &&
 			txbi->skb)) {
 		netif_stop_queue(jme->dev);
-		msg_tx_queued(jme, "TX Queue Stopped %d@%lu.\n", idx, jiffies);
+		netif_info(jme, tx_queued, jme->dev, "TX Queue Stopped %d@%lu.\n", idx, jiffies);
 	}
 }
 
@@ -1931,7 +1936,7 @@ jme_stop_queue_if_full(struct jme_adapter *jme)
  * This function is already protected by netif_tx_lock()
  */
 
-static int
+static netdev_tx_t
 jme_start_xmit(struct sk_buff *skb, struct net_device *netdev)
 {
 	struct jme_adapter *jme = netdev_priv(netdev);
@@ -1946,7 +1951,7 @@ jme_start_xmit(struct sk_buff *skb, struct net_device *netdev)
 
 	if (unlikely(idx < 0)) {
 		netif_stop_queue(netdev);
-		msg_tx_err(jme, "BUG! Tx ring full when queue awake!\n");
+		netif_err(jme, tx_err, jme->dev, "BUG! Tx ring full when queue awake!\n");
 
 		return NETDEV_TX_BUSY;
 	}
@@ -1997,7 +2002,6 @@ jme_set_multi(struct net_device *netdev)
 {
 	struct jme_adapter *jme = netdev_priv(netdev);
 	u32 mc_hash[2] = {};
-	int i;
 
 	spin_lock_bh(&jme->rxmcs_lock);
 
@@ -2012,10 +2016,7 @@ jme_set_multi(struct net_device *netdev)
 		int bit_nr;
 
 		jme->reg_rxmcs |= RXMCS_MULFRAME | RXMCS_MULFILTERED;
-		for (i = 0, mclist = netdev->mc_list;
-			mclist && i < netdev->mc_count;
-			++i, mclist = mclist->next) {
-
+		netdev_for_each_mc_addr(mclist, netdev) {
 			bit_nr = ether_crc(ETH_ALEN, mclist->dmi_addr) & 0x3F;
 			mc_hash[bit_nr >> 5] |= 1 << (bit_nr & 0x1F);
 		}
@@ -2090,7 +2091,9 @@ jme_vlan_rx_register(struct net_device *netdev, struct vlan_group *grp)
 {
 	struct jme_adapter *jme = netdev_priv(netdev);
 
+	spin_lock_bh(&jme->vlgrp_lock);
 	jme->vlgrp = grp;
+	spin_unlock_bh(&jme->vlgrp_lock);
 }
 
 static void
@@ -2199,8 +2202,8 @@ jme_set_coalesce(struct net_device *netdev, struct ethtool_coalesce *ecmd)
 	if (netif_running(netdev))
 		return -EBUSY;
 
-	if (ecmd->use_adaptive_rx_coalesce
-	&& test_bit(JME_FLAG_POLL, &jme->flags)) {
+	if (ecmd->use_adaptive_rx_coalesce &&
+	    test_bit(JME_FLAG_POLL, &jme->flags)) {
 		clear_bit(JME_FLAG_POLL, &jme->flags);
 		jme->jme_rx = netif_rx;
 		jme->jme_vlan_rx = vlan_hwaccel_rx;
@@ -2209,8 +2212,8 @@ jme_set_coalesce(struct net_device *netdev, struct ethtool_coalesce *ecmd)
 		dpi->cnt		= 0;
 		jme_set_rx_pcc(jme, PCC_P1);
 		jme_interrupt_mode(jme);
-	} else if (!(ecmd->use_adaptive_rx_coalesce)
-	&& !(test_bit(JME_FLAG_POLL, &jme->flags))) {
+	} else if (!(ecmd->use_adaptive_rx_coalesce) &&
+		   !(test_bit(JME_FLAG_POLL, &jme->flags))) {
 		set_bit(JME_FLAG_POLL, &jme->flags);
 		jme->jme_rx = netif_receive_skb;
 		jme->jme_vlan_rx = vlan_hwaccel_receive_skb;
@@ -2473,7 +2476,7 @@ jme_smb_read(struct jme_adapter *jme, unsigned int addr)
 		val = jread32(jme, JME_SMBCSR);
 	}
 	if (!to) {
-		msg_hw(jme, "SMB Bus Busy.\n");
+		netif_err(jme, hw, jme->dev, "SMB Bus Busy.\n");
 		return 0xFF;
 	}
 
@@ -2489,7 +2492,7 @@ jme_smb_read(struct jme_adapter *jme, unsigned int addr)
 		val = jread32(jme, JME_SMBINTF);
 	}
 	if (!to) {
-		msg_hw(jme, "SMB Bus Busy.\n");
+		netif_err(jme, hw, jme->dev, "SMB Bus Busy.\n");
 		return 0xFF;
 	}
 
@@ -2509,7 +2512,7 @@ jme_smb_write(struct jme_adapter *jme, unsigned int addr, u8 data)
 		val = jread32(jme, JME_SMBCSR);
 	}
 	if (!to) {
-		msg_hw(jme, "SMB Bus Busy.\n");
+		netif_err(jme, hw, jme->dev, "SMB Bus Busy.\n");
 		return;
 	}
 
@@ -2526,7 +2529,7 @@ jme_smb_write(struct jme_adapter *jme, unsigned int addr, u8 data)
 		val = jread32(jme, JME_SMBINTF);
 	}
 	if (!to) {
-		msg_hw(jme, "SMB Bus Busy.\n");
+		netif_err(jme, hw, jme->dev, "SMB Bus Busy.\n");
 		return;
 	}
 
@@ -2757,6 +2760,7 @@ jme_init_one(struct pci_dev *pdev,
 	spin_lock_init(&jme->phy_lock);
 	spin_lock_init(&jme->macaddr_lock);
 	spin_lock_init(&jme->rxmcs_lock);
+	spin_lock_init(&jme->vlgrp_lock);
 
 	atomic_set(&jme->link_changing, 1);
 	atomic_set(&jme->rx_cleaning, 1);
@@ -2764,19 +2768,19 @@ jme_init_one(struct pci_dev *pdev,
 	atomic_set(&jme->rx_empty, 1);
 
 	tasklet_init(&jme->pcc_task,
-		     &jme_pcc_tasklet,
+		     jme_pcc_tasklet,
 		     (unsigned long) jme);
 	tasklet_init(&jme->linkch_task,
-		     &jme_link_change_tasklet,
+		     jme_link_change_tasklet,
 		     (unsigned long) jme);
 	tasklet_init(&jme->txclean_task,
-		     &jme_tx_clean_tasklet,
+		     jme_tx_clean_tasklet,
 		     (unsigned long) jme);
 	tasklet_init(&jme->rxclean_task,
-		     &jme_rx_clean_tasklet,
+		     jme_rx_clean_tasklet,
 		     (unsigned long) jme);
 	tasklet_init(&jme->rxempty_task,
-		     &jme_rx_empty_tasklet,
+		     jme_rx_empty_tasklet,
 		     (unsigned long) jme);
 	tasklet_disable_nosync(&jme->linkch_task);
 	tasklet_disable_nosync(&jme->txclean_task);
@@ -2876,14 +2880,14 @@ jme_init_one(struct pci_dev *pdev,
 		goto err_out_unmap;
 	}
 
-	msg_probe(jme, "%s%s ver:%x rev:%x macaddr:%pM\n",
-		(jme->pdev->device == PCI_DEVICE_ID_JMICRON_JMC250) ?
-			"JMC250 Gigabit Ethernet" :
-			(jme->pdev->device == PCI_DEVICE_ID_JMICRON_JMC260) ?
-				"JMC260 Fast Ethernet" : "Unknown",
-		(jme->fpgaver != 0) ? " (FPGA)" : "",
-		(jme->fpgaver != 0) ? jme->fpgaver : jme->chiprev,
-		jme->rev, netdev->dev_addr);
+	netif_info(jme, probe, jme->dev, "%s%s ver:%x rev:%x macaddr:%pM\n",
+		   (jme->pdev->device == PCI_DEVICE_ID_JMICRON_JMC250) ?
+		   "JMC250 Gigabit Ethernet" :
+		   (jme->pdev->device == PCI_DEVICE_ID_JMICRON_JMC260) ?
+		   "JMC260 Fast Ethernet" : "Unknown",
+		   (jme->fpgaver != 0) ? " (FPGA)" : "",
+		   (jme->fpgaver != 0) ? jme->fpgaver : jme->chiprev,
+		   jme->rev, netdev->dev_addr);
 
 	return 0;
 
@@ -2994,7 +2998,7 @@ jme_resume(struct pci_dev *pdev)
 }
 #endif
 
-static struct pci_device_id jme_pci_tbl[] = {
+static DEFINE_PCI_DEVICE_TABLE(jme_pci_tbl) = {
 	{ PCI_VDEVICE(JMICRON, PCI_DEVICE_ID_JMICRON_JMC250) },
 	{ PCI_VDEVICE(JMICRON, PCI_DEVICE_ID_JMICRON_JMC260) },
 	{ }
diff --git a/jme.h b/jme.h
index 251abed..727a3bf 100644
--- a/jme.h
+++ b/jme.h
@@ -25,7 +25,7 @@
 #define __JME_H_INCLUDED__
 
 #define DRV_NAME	"jme"
-#define DRV_VERSION	"1.0.5"
+#define DRV_VERSION	"1.0.6"
 #define PFX		DRV_NAME ": "
 
 #define PCI_DEVICE_ID_JMICRON_JMC250	0x0250
@@ -45,43 +45,16 @@
 	printk(KERN_ERR PFX fmt, ## args)
 
 #ifdef TX_DEBUG
-#define tx_dbg(priv, fmt, args...) \
-	printk(KERN_DEBUG "%s: " fmt, (priv)->dev->name, ## args)
+#define tx_dbg(priv, fmt, args...)					\
+	printk(KERN_DEBUG "%s: " fmt, (priv)->dev->name, ##args)
 #else
-#define tx_dbg(priv, fmt, args...)
+#define tx_dbg(priv, fmt, args...)					\
+do {									\
+	if (0)								\
+		printk(KERN_DEBUG "%s: " fmt, (priv)->dev->name, ##args); \
+} while (0)
 #endif
 
-#define jme_msg(msglvl, type, priv, fmt, args...) \
-	if (netif_msg_##type(priv)) \
-		printk(msglvl "%s: " fmt, (priv)->dev->name, ## args)
-
-#define msg_probe(priv, fmt, args...) \
-	jme_msg(KERN_INFO, probe, priv, fmt, ## args)
-
-#define msg_link(priv, fmt, args...) \
-	jme_msg(KERN_INFO, link, priv, fmt, ## args)
-
-#define msg_intr(priv, fmt, args...) \
-	jme_msg(KERN_INFO, intr, priv, fmt, ## args)
-
-#define msg_rx_err(priv, fmt, args...) \
-	jme_msg(KERN_ERR, rx_err, priv, fmt, ## args)
-
-#define msg_rx_status(priv, fmt, args...) \
-	jme_msg(KERN_INFO, rx_status, priv, fmt, ## args)
-
-#define msg_tx_err(priv, fmt, args...) \
-	jme_msg(KERN_ERR, tx_err, priv, fmt, ## args)
-
-#define msg_tx_done(priv, fmt, args...) \
-	jme_msg(KERN_INFO, tx_done, priv, fmt, ## args)
-
-#define msg_tx_queued(priv, fmt, args...) \
-	jme_msg(KERN_INFO, tx_queued, priv, fmt, ## args)
-
-#define msg_hw(priv, fmt, args...) \
-	jme_msg(KERN_ERR, hw, priv, fmt, ## args)
-
 /*
  * Extra PCI Configuration space interface
  */
@@ -420,6 +393,7 @@ struct jme_adapter {
 	spinlock_t		phy_lock;
 	spinlock_t		macaddr_lock;
 	spinlock_t		rxmcs_lock;
+	spinlock_t		vlgrp_lock;
 	struct tasklet_struct	rxempty_task;
 	struct tasklet_struct	rxclean_task;
 	struct tasklet_struct	txclean_task;
-- 
2.39.3