---

yaml
---
r: 315417
b: refs/heads/master
c: c41e413
h: refs/heads/master
i:
  315415: 4d93653
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: da78b7998e365b3f90b2a1a55d3b6ba6cc0c5905
+refs/heads/master: c41e4130a248c8220889f6e6636b47595e369386

trunk/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h

@@ -614,6 +614,22 @@ struct bnx2x_fastpath {
 #define TX_BD(x)		((x) & MAX_TX_BD)
 #define TX_BD_POFF(x)		((x) & MAX_TX_DESC_CNT)
 
+/* number of NEXT_PAGE descriptors may be required during placement */
+#define NEXT_CNT_PER_TX_PKT(bds)	\
+				(((bds) + MAX_TX_DESC_CNT - 1) / \
+				 MAX_TX_DESC_CNT * NEXT_PAGE_TX_DESC_CNT)
+/* max BDs per tx packet w/o next_pages:
+ * START_BD		- describes packed
+ * START_BD(splitted)	- includes unpaged data segment for GSO
+ * PARSING_BD		- for TSO and CSUM data
+ * Frag BDs		- decribes pages for frags
+ */
+#define BDS_PER_TX_PKT		3
+#define MAX_BDS_PER_TX_PKT	(MAX_SKB_FRAGS + BDS_PER_TX_PKT)
+/* max BDs per tx packet including next pages */
+#define MAX_DESC_PER_TX_PKT	(MAX_BDS_PER_TX_PKT + \
+				 NEXT_CNT_PER_TX_PKT(MAX_BDS_PER_TX_PKT))
+
 /* The RX BD ring is special, each bd is 8 bytes but the last one is 16 */
 #define NUM_RX_RINGS		8
 #define RX_DESC_CNT		(BCM_PAGE_SIZE / sizeof(struct eth_rx_bd))

trunk/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c

@@ -221,7 +221,7 @@ int bnx2x_tx_int(struct bnx2x *bp, struct bnx2x_fp_txdata *txdata)
 
 		if ((netif_tx_queue_stopped(txq)) &&
 		    (bp->state == BNX2X_STATE_OPEN) &&
-		    (bnx2x_tx_avail(bp, txdata) >= MAX_SKB_FRAGS + 4))
+		    (bnx2x_tx_avail(bp, txdata) >= MAX_DESC_PER_TX_PKT))
 			netif_tx_wake_queue(txq);
 
 		__netif_tx_unlock(txq);
@@ -2948,7 +2948,9 @@ netdev_tx_t bnx2x_start_xmit(struct sk_buff *skb, struct net_device *dev)
 	   txdata->cid, fp_index, txdata_index, txdata, fp); */
 
 	if (unlikely(bnx2x_tx_avail(bp, txdata) <
-		     (skb_shinfo(skb)->nr_frags + 3))) {
+			skb_shinfo(skb)->nr_frags +
+			BDS_PER_TX_PKT +
+			NEXT_CNT_PER_TX_PKT(MAX_BDS_PER_TX_PKT))) {
 		bnx2x_fp_qstats(bp, txdata->parent_fp)->driver_xoff++;
 		netif_tx_stop_queue(txq);
 		BNX2X_ERR("BUG! Tx ring full when queue awake!\n");
@@ -3223,7 +3225,7 @@ netdev_tx_t bnx2x_start_xmit(struct sk_buff *skb, struct net_device *dev)
 
 	txdata->tx_bd_prod += nbd;
 
-	if (unlikely(bnx2x_tx_avail(bp, txdata) < MAX_SKB_FRAGS + 4)) {
+	if (unlikely(bnx2x_tx_avail(bp, txdata) < MAX_DESC_PER_TX_PKT)) {
 		netif_tx_stop_queue(txq);
 
 		/* paired memory barrier is in bnx2x_tx_int(), we have to keep
@@ -3232,7 +3234,7 @@ netdev_tx_t bnx2x_start_xmit(struct sk_buff *skb, struct net_device *dev)
 		smp_mb();
 
 		bnx2x_fp_qstats(bp, txdata->parent_fp)->driver_xoff++;
-		if (bnx2x_tx_avail(bp, txdata) >= MAX_SKB_FRAGS + 4)
+		if (bnx2x_tx_avail(bp, txdata) >= MAX_DESC_PER_TX_PKT)
 			netif_tx_wake_queue(txq);
 	}
 	txdata->tx_pkt++;

trunk/drivers/net/usb/Makefile

@@ -8,6 +8,7 @@ obj-$(CONFIG_USB_PEGASUS)	+= pegasus.o
 obj-$(CONFIG_USB_RTL8150)	+= rtl8150.o
 obj-$(CONFIG_USB_HSO)		+= hso.o
 obj-$(CONFIG_USB_NET_AX8817X)	+= asix.o
+asix-y := asix_devices.o asix_common.o ax88172a.o
 obj-$(CONFIG_USB_NET_CDCETHER)	+= cdc_ether.o
 obj-$(CONFIG_USB_NET_CDC_EEM)	+= cdc_eem.o
 obj-$(CONFIG_USB_NET_DM9601)	+= dm9601.o

trunk/drivers/net/usb/asix.h

@@ -0,0 +1,217 @@
+/*
+ * ASIX AX8817X based USB 2.0 Ethernet Devices
+ * Copyright (C) 2003-2006 David Hollis <dhollis@davehollis.com>
+ * Copyright (C) 2005 Phil Chang <pchang23@sbcglobal.net>
+ * Copyright (C) 2006 James Painter <jamie.painter@iname.com>
+ * Copyright (c) 2002-2003 TiVo Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#ifndef _ASIX_H
+#define _ASIX_H
+
+// #define	DEBUG			// error path messages, extra info
+// #define	VERBOSE			// more; success messages
+
+#include <linux/module.h>
+#include <linux/kmod.h>
+#include <linux/init.h>
+#include <linux/netdevice.h>
+#include <linux/etherdevice.h>
+#include <linux/ethtool.h>
+#include <linux/workqueue.h>
+#include <linux/mii.h>
+#include <linux/usb.h>
+#include <linux/crc32.h>
+#include <linux/usb/usbnet.h>
+#include <linux/slab.h>
+#include <linux/if_vlan.h>
+
+#define DRIVER_VERSION "22-Dec-2011"
+#define DRIVER_NAME "asix"
+
+/* ASIX AX8817X based USB 2.0 Ethernet Devices */
+
+#define AX_CMD_SET_SW_MII		0x06
+#define AX_CMD_READ_MII_REG		0x07
+#define AX_CMD_WRITE_MII_REG		0x08
+#define AX_CMD_SET_HW_MII		0x0a
+#define AX_CMD_READ_EEPROM		0x0b
+#define AX_CMD_WRITE_EEPROM		0x0c
+#define AX_CMD_WRITE_ENABLE		0x0d
+#define AX_CMD_WRITE_DISABLE		0x0e
+#define AX_CMD_READ_RX_CTL		0x0f
+#define AX_CMD_WRITE_RX_CTL		0x10
+#define AX_CMD_READ_IPG012		0x11
+#define AX_CMD_WRITE_IPG0		0x12
+#define AX_CMD_WRITE_IPG1		0x13
+#define AX_CMD_READ_NODE_ID		0x13
+#define AX_CMD_WRITE_NODE_ID		0x14
+#define AX_CMD_WRITE_IPG2		0x14
+#define AX_CMD_WRITE_MULTI_FILTER	0x16
+#define AX88172_CMD_READ_NODE_ID	0x17
+#define AX_CMD_READ_PHY_ID		0x19
+#define AX_CMD_READ_MEDIUM_STATUS	0x1a
+#define AX_CMD_WRITE_MEDIUM_MODE	0x1b
+#define AX_CMD_READ_MONITOR_MODE	0x1c
+#define AX_CMD_WRITE_MONITOR_MODE	0x1d
+#define AX_CMD_READ_GPIOS		0x1e
+#define AX_CMD_WRITE_GPIOS		0x1f
+#define AX_CMD_SW_RESET			0x20
+#define AX_CMD_SW_PHY_STATUS		0x21
+#define AX_CMD_SW_PHY_SELECT		0x22
+
+#define AX_PHY_SELECT_MASK		(BIT(3) | BIT(2))
+#define AX_PHY_SELECT_INTERNAL		0
+#define AX_PHY_SELECT_EXTERNAL		BIT(2)
+
+#define AX_MONITOR_MODE			0x01
+#define AX_MONITOR_LINK			0x02
+#define AX_MONITOR_MAGIC		0x04
+#define AX_MONITOR_HSFS			0x10
+
+/* AX88172 Medium Status Register values */
+#define AX88172_MEDIUM_FD		0x02
+#define AX88172_MEDIUM_TX		0x04
+#define AX88172_MEDIUM_FC		0x10
+#define AX88172_MEDIUM_DEFAULT \
+		( AX88172_MEDIUM_FD | AX88172_MEDIUM_TX | AX88172_MEDIUM_FC )
+
+#define AX_MCAST_FILTER_SIZE		8
+#define AX_MAX_MCAST			64
+
+#define AX_SWRESET_CLEAR		0x00
+#define AX_SWRESET_RR			0x01
+#define AX_SWRESET_RT			0x02
+#define AX_SWRESET_PRTE			0x04
+#define AX_SWRESET_PRL			0x08
+#define AX_SWRESET_BZ			0x10
+#define AX_SWRESET_IPRL			0x20
+#define AX_SWRESET_IPPD			0x40
+
+#define AX88772_IPG0_DEFAULT		0x15
+#define AX88772_IPG1_DEFAULT		0x0c
+#define AX88772_IPG2_DEFAULT		0x12
+
+/* AX88772 & AX88178 Medium Mode Register */
+#define AX_MEDIUM_PF		0x0080
+#define AX_MEDIUM_JFE		0x0040
+#define AX_MEDIUM_TFC		0x0020
+#define AX_MEDIUM_RFC		0x0010
+#define AX_MEDIUM_ENCK		0x0008
+#define AX_MEDIUM_AC		0x0004
+#define AX_MEDIUM_FD		0x0002
+#define AX_MEDIUM_GM		0x0001
+#define AX_MEDIUM_SM		0x1000
+#define AX_MEDIUM_SBP		0x0800
+#define AX_MEDIUM_PS		0x0200
+#define AX_MEDIUM_RE		0x0100
+
+#define AX88178_MEDIUM_DEFAULT	\
+	(AX_MEDIUM_PS | AX_MEDIUM_FD | AX_MEDIUM_AC | \
+	 AX_MEDIUM_RFC | AX_MEDIUM_TFC | AX_MEDIUM_JFE | \
+	 AX_MEDIUM_RE)
+
+#define AX88772_MEDIUM_DEFAULT	\
+	(AX_MEDIUM_FD | AX_MEDIUM_RFC | \
+	 AX_MEDIUM_TFC | AX_MEDIUM_PS | \
+	 AX_MEDIUM_AC | AX_MEDIUM_RE)
+
+/* AX88772 & AX88178 RX_CTL values */
+#define AX_RX_CTL_SO		0x0080
+#define AX_RX_CTL_AP		0x0020
+#define AX_RX_CTL_AM		0x0010
+#define AX_RX_CTL_AB		0x0008
+#define AX_RX_CTL_SEP		0x0004
+#define AX_RX_CTL_AMALL		0x0002
+#define AX_RX_CTL_PRO		0x0001
+#define AX_RX_CTL_MFB_2048	0x0000
+#define AX_RX_CTL_MFB_4096	0x0100
+#define AX_RX_CTL_MFB_8192	0x0200
+#define AX_RX_CTL_MFB_16384	0x0300
+
+#define AX_DEFAULT_RX_CTL	(AX_RX_CTL_SO | AX_RX_CTL_AB)
+
+/* GPIO 0 .. 2 toggles */
+#define AX_GPIO_GPO0EN		0x01	/* GPIO0 Output enable */
+#define AX_GPIO_GPO_0		0x02	/* GPIO0 Output value */
+#define AX_GPIO_GPO1EN		0x04	/* GPIO1 Output enable */
+#define AX_GPIO_GPO_1		0x08	/* GPIO1 Output value */
+#define AX_GPIO_GPO2EN		0x10	/* GPIO2 Output enable */
+#define AX_GPIO_GPO_2		0x20	/* GPIO2 Output value */
+#define AX_GPIO_RESERVED	0x40	/* Reserved */
+#define AX_GPIO_RSE		0x80	/* Reload serial EEPROM */
+
+#define AX_EEPROM_MAGIC		0xdeadbeef
+#define AX88172_EEPROM_LEN	0x40
+#define AX88772_EEPROM_LEN	0xff
+
+/* This structure cannot exceed sizeof(unsigned long [5]) AKA 20 bytes */
+struct asix_data {
+	u8 multi_filter[AX_MCAST_FILTER_SIZE];
+	u8 mac_addr[ETH_ALEN];
+	u8 phymode;
+	u8 ledmode;
+	u8 eeprom_len;
+};
+
+int asix_read_cmd(struct usbnet *dev, u8 cmd, u16 value, u16 index,
+		  u16 size, void *data);
+
+int asix_write_cmd(struct usbnet *dev, u8 cmd, u16 value, u16 index,
+		   u16 size, void *data);
+
+void asix_write_cmd_async(struct usbnet *dev, u8 cmd, u16 value,
+			  u16 index, u16 size, void *data);
+
+int asix_rx_fixup(struct usbnet *dev, struct sk_buff *skb);
+
+struct sk_buff *asix_tx_fixup(struct usbnet *dev, struct sk_buff *skb,
+			      gfp_t flags);
+
+int asix_set_sw_mii(struct usbnet *dev);
+int asix_set_hw_mii(struct usbnet *dev);
+
+int asix_read_phy_addr(struct usbnet *dev, int internal);
+int asix_get_phy_addr(struct usbnet *dev);
+
+int asix_sw_reset(struct usbnet *dev, u8 flags);
+
+u16 asix_read_rx_ctl(struct usbnet *dev);
+int asix_write_rx_ctl(struct usbnet *dev, u16 mode);
+
+u16 asix_read_medium_status(struct usbnet *dev);
+int asix_write_medium_mode(struct usbnet *dev, u16 mode);
+
+int asix_write_gpio(struct usbnet *dev, u16 value, int sleep);
+
+void asix_set_multicast(struct net_device *net);
+
+int asix_mdio_read(struct net_device *netdev, int phy_id, int loc);
+void asix_mdio_write(struct net_device *netdev, int phy_id, int loc, int val);
+
+void asix_get_wol(struct net_device *net, struct ethtool_wolinfo *wolinfo);
+int asix_set_wol(struct net_device *net, struct ethtool_wolinfo *wolinfo);
+
+int asix_get_eeprom_len(struct net_device *net);
+int asix_get_eeprom(struct net_device *net, struct ethtool_eeprom *eeprom,
+		    u8 *data);
+
+void asix_get_drvinfo(struct net_device *net, struct ethtool_drvinfo *info);
+
+int asix_set_mac_address(struct net_device *net, void *p);
+
+#endif /* _ASIX_H */