aboutsummaryrefslogtreecommitdiff
path: root/drivers/net
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2009-09-25 07:22:11 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-09-25 07:22:11 -0700
commit5c3cc2084dd9dc26b258f88abb629550090956e0 (patch)
tree78bad2d2f412e0700384268f065823879f8ef1da /drivers/net
parent851b147e4411df6a1e7e90e2a609773c277eefd2 (diff)
parentb8273570f802a7658827dcb077b0b517ba75a289 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (94 commits) genetlink: fix netns vs. netlink table locking (2) 3c59x: Get rid of "Trying to free already-free IRQ" tunnel: eliminate recursion field ems_pci: fix size of CAN controllers BAR mapping for CPC-PCI v2 net: fix htmldocs sunrpc, clnt.c Phonet: error on broadcast sending (unimplemented) Phonet: fix race for port number in concurrent bind() pktgen: better scheduler friendliness pktgen: T_TERMINATE flag is unused ipv4: check optlen for IP_MULTICAST_IF option ath9k: Initialize txgain and rxgain for newer AR9287 chipsets. iwlagn: fix panic in iwl{5000,4965}_rx_reply_tx ath9k: Fix RFKILL bugs drivers/net/wireless: Use usb_endpoint_dir_out cfg80211: don't overwrite privacy setting wl12xx: fix kconfig/link errors rt2x00: fix the definition of rt2x00crypto_rx_insert_iv iwlwifi: reduce noise when skb allocation fails iwlwifi: do not send sync command while holding spinlock mac80211: fix DTIM setting ...
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/3c59x.c12
-rw-r--r--drivers/net/8139cp.c2
-rw-r--r--drivers/net/Kconfig2
-rw-r--r--drivers/net/atl1c/atl1c_main.c2
-rw-r--r--drivers/net/can/Kconfig13
-rw-r--r--drivers/net/can/Makefile3
-rw-r--r--drivers/net/can/sja1000/ems_pci.c16
-rw-r--r--drivers/net/can/usb/Makefile5
-rw-r--r--drivers/net/can/usb/ems_usb.c1155
-rw-r--r--drivers/net/cnic.c4
-rw-r--r--drivers/net/cpmac.c8
-rw-r--r--drivers/net/ehea/ehea_main.c1
-rw-r--r--drivers/net/igb/e1000_mac.c72
-rw-r--r--drivers/net/igb/e1000_mac.h1
-rw-r--r--drivers/net/ixgbe/ixgbe.h6
-rw-r--r--drivers/net/ixgbe/ixgbe_ethtool.c75
-rw-r--r--drivers/net/ixgbe/ixgbe_main.c111
-rw-r--r--drivers/net/netxen/netxen_nic_main.c8
-rw-r--r--drivers/net/pcmcia/pcnet_cs.c11
-rw-r--r--drivers/net/sky2.c4
-rw-r--r--drivers/net/sunvnet.c1
-rw-r--r--drivers/net/tun.c4
-rw-r--r--drivers/net/usb/kaweth.c18
-rw-r--r--drivers/net/usb/smsc95xx.c67
-rw-r--r--drivers/net/usb/usbnet.c2
-rw-r--r--drivers/net/wireless/ath/ar9170/usb.c2
-rw-r--r--drivers/net/wireless/ath/ath9k/calib.c23
-rw-r--r--drivers/net/wireless/ath/ath9k/calib.h1
-rw-r--r--drivers/net/wireless/ath/ath9k/eeprom_def.c4
-rw-r--r--drivers/net/wireless/ath/ath9k/hw.c202
-rw-r--r--drivers/net/wireless/ath/ath9k/hw.h4
-rw-r--r--drivers/net/wireless/ath/ath9k/main.c16
-rw-r--r--drivers/net/wireless/ath/ath9k/reg.h3
-rw-r--r--drivers/net/wireless/b43/Kconfig21
-rw-r--r--drivers/net/wireless/b43/Makefile1
-rw-r--r--drivers/net/wireless/b43/b43.h23
-rw-r--r--drivers/net/wireless/b43/debugfs.c1
-rw-r--r--drivers/net/wireless/b43/debugfs.h1
-rw-r--r--drivers/net/wireless/b43/dma.c4
-rw-r--r--drivers/net/wireless/b43/leds.c266
-rw-r--r--drivers/net/wireless/b43/leds.h33
-rw-r--r--drivers/net/wireless/b43/main.c224
-rw-r--r--drivers/net/wireless/b43/phy_lp.c12
-rw-r--r--drivers/net/wireless/b43/pio.c2
-rw-r--r--drivers/net/wireless/b43/rfkill.c2
-rw-r--r--drivers/net/wireless/b43/sdio.c202
-rw-r--r--drivers/net/wireless/b43/sdio.h45
-rw-r--r--drivers/net/wireless/b43/xmit.c5
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-4965.c6
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-5000.c6
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-rx.c10
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-sta.c2
-rw-r--r--drivers/net/wireless/iwlwifi/iwl3945-base.c9
-rw-r--r--drivers/net/wireless/rt2x00/rt2x00lib.h2
-rw-r--r--drivers/net/wireless/wl12xx/Kconfig2
-rw-r--r--drivers/net/wireless/zd1211rw/zd_usb.c2
-rw-r--r--drivers/net/xilinx_emaclite.c7
57 files changed, 2290 insertions, 456 deletions
diff --git a/drivers/net/3c59x.c b/drivers/net/3c59x.c
index 7adff4d0960..b9eeadf01b7 100644
--- a/drivers/net/3c59x.c
+++ b/drivers/net/3c59x.c
@@ -813,10 +813,10 @@ static int vortex_suspend(struct pci_dev *pdev, pm_message_t state)
if (netif_running(dev)) {
netif_device_detach(dev);
vortex_down(dev, 1);
+ disable_irq(dev->irq);
}
pci_save_state(pdev);
pci_enable_wake(pdev, pci_choose_state(pdev, state), 0);
- free_irq(dev->irq, dev);
pci_disable_device(pdev);
pci_set_power_state(pdev, pci_choose_state(pdev, state));
}
@@ -839,18 +839,12 @@ static int vortex_resume(struct pci_dev *pdev)
return err;
}
pci_set_master(pdev);
- if (request_irq(dev->irq, vp->full_bus_master_rx ?
- &boomerang_interrupt : &vortex_interrupt, IRQF_SHARED, dev->name, dev)) {
- pr_warning("%s: Could not reserve IRQ %d\n", dev->name, dev->irq);
- pci_disable_device(pdev);
- return -EBUSY;
- }
if (netif_running(dev)) {
err = vortex_up(dev);
if (err)
return err;
- else
- netif_device_attach(dev);
+ enable_irq(dev->irq);
+ netif_device_attach(dev);
}
}
return 0;
diff --git a/drivers/net/8139cp.c b/drivers/net/8139cp.c
index 462d9f59c53..83a1922e68e 100644
--- a/drivers/net/8139cp.c
+++ b/drivers/net/8139cp.c
@@ -87,7 +87,7 @@
/* These identify the driver base version and may not be removed. */
static char version[] =
-KERN_INFO DRV_NAME ": 10/100 PCI Ethernet driver v" DRV_VERSION " (" DRV_RELDATE ")\n";
+DRV_NAME ": 10/100 PCI Ethernet driver v" DRV_VERSION " (" DRV_RELDATE ")\n";
MODULE_AUTHOR("Jeff Garzik <jgarzik@pobox.com>");
MODULE_DESCRIPTION("RealTek RTL-8139C+ series 10/100 PCI Ethernet driver");
diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig
index ed5741b2e70..2bea67c134f 100644
--- a/drivers/net/Kconfig
+++ b/drivers/net/Kconfig
@@ -1875,7 +1875,7 @@ config 68360_ENET
config FEC
bool "FEC ethernet controller (of ColdFire and some i.MX CPUs)"
- depends on M523x || M527x || M5272 || M528x || M520x || M532x || MACH_MX27 || ARCH_MX35
+ depends on M523x || M527x || M5272 || M528x || M520x || M532x || MACH_MX27 || ARCH_MX35 || ARCH_MX25
help
Say Y here if you want to use the built-in 10/100 Fast ethernet
controller on some Motorola ColdFire and Freescale i.MX processors.
diff --git a/drivers/net/atl1c/atl1c_main.c b/drivers/net/atl1c/atl1c_main.c
index be2c6cfe6e8..1372e9a99f5 100644
--- a/drivers/net/atl1c/atl1c_main.c
+++ b/drivers/net/atl1c/atl1c_main.c
@@ -2296,7 +2296,7 @@ static int atl1c_suspend(struct pci_dev *pdev, pm_message_t state)
u32 ctrl;
u32 mac_ctrl_data;
u32 master_ctrl_data;
- u32 wol_ctrl_data;
+ u32 wol_ctrl_data = 0;
u16 mii_bmsr_data;
u16 save_autoneg_advertised;
u16 mii_intr_status_data;
diff --git a/drivers/net/can/Kconfig b/drivers/net/can/Kconfig
index 09007437246..df32c109b7a 100644
--- a/drivers/net/can/Kconfig
+++ b/drivers/net/can/Kconfig
@@ -75,6 +75,13 @@ config CAN_EMS_PCI
CPC-PCIe and CPC-104P cards from EMS Dr. Thomas Wuensche
(http://www.ems-wuensche.de).
+config CAN_EMS_USB
+ tristate "EMS CPC-USB/ARM7 CAN/USB interface"
+ depends on USB && CAN_DEV
+ ---help---
+ This driver is for the one channel CPC-USB/ARM7 CAN/USB interface
+ from from EMS Dr. Thomas Wuensche (http://www.ems-wuensche.de).
+
config CAN_KVASER_PCI
tristate "Kvaser PCIcanx and Kvaser PCIcan PCI Cards"
depends on PCI && CAN_SJA1000
@@ -82,6 +89,12 @@ config CAN_KVASER_PCI
This driver is for the the PCIcanx and PCIcan cards (1, 2 or
4 channel) from Kvaser (http://www.kvaser.com).
+config CAN_AT91
+ tristate "Atmel AT91 onchip CAN controller"
+ depends on CAN && CAN_DEV && ARCH_AT91SAM9263
+ ---help---
+ This is a driver for the SoC CAN controller in Atmel's AT91SAM9263.
+
config CAN_DEBUG_DEVICES
bool "CAN devices debugging messages"
depends on CAN
diff --git a/drivers/net/can/Makefile b/drivers/net/can/Makefile
index 523a941b358..0dea62721f2 100644
--- a/drivers/net/can/Makefile
+++ b/drivers/net/can/Makefile
@@ -7,6 +7,9 @@ obj-$(CONFIG_CAN_VCAN) += vcan.o
obj-$(CONFIG_CAN_DEV) += can-dev.o
can-dev-y := dev.o
+obj-y += usb/
+
obj-$(CONFIG_CAN_SJA1000) += sja1000/
+obj-$(CONFIG_CAN_AT91) += at91_can.o
ccflags-$(CONFIG_CAN_DEBUG_DEVICES) := -DDEBUG
diff --git a/drivers/net/can/sja1000/ems_pci.c b/drivers/net/can/sja1000/ems_pci.c
index 7d84b8ac9c1..fd04789d337 100644
--- a/drivers/net/can/sja1000/ems_pci.c
+++ b/drivers/net/can/sja1000/ems_pci.c
@@ -94,12 +94,14 @@ struct ems_pci_card {
#define EMS_PCI_CDR (CDR_CBP | CDR_CLKOUT_MASK)
#define EMS_PCI_V1_BASE_BAR 1
-#define EMS_PCI_V1_MEM_SIZE 4096
+#define EMS_PCI_V1_CONF_SIZE 4096 /* size of PITA control area */
#define EMS_PCI_V2_BASE_BAR 2
-#define EMS_PCI_V2_MEM_SIZE 128
+#define EMS_PCI_V2_CONF_SIZE 128 /* size of PLX control area */
#define EMS_PCI_CAN_BASE_OFFSET 0x400 /* offset where the controllers starts */
#define EMS_PCI_CAN_CTRL_SIZE 0x200 /* memory size for each controller */
+#define EMS_PCI_BASE_SIZE 4096 /* size of controller area */
+
static struct pci_device_id ems_pci_tbl[] = {
/* CPC-PCI v1 */
{PCI_VENDOR_ID_SIEMENS, 0x2104, PCI_ANY_ID, PCI_ANY_ID,},
@@ -224,7 +226,7 @@ static int __devinit ems_pci_add_card(struct pci_dev *pdev,
struct sja1000_priv *priv;
struct net_device *dev;
struct ems_pci_card *card;
- int max_chan, mem_size, base_bar;
+ int max_chan, conf_size, base_bar;
int err, i;
/* Enabling PCI device */
@@ -251,22 +253,22 @@ static int __devinit ems_pci_add_card(struct pci_dev *pdev,
card->version = 2; /* CPC-PCI v2 */
max_chan = EMS_PCI_V2_MAX_CHAN;
base_bar = EMS_PCI_V2_BASE_BAR;
- mem_size = EMS_PCI_V2_MEM_SIZE;
+ conf_size = EMS_PCI_V2_CONF_SIZE;
} else {
card->version = 1; /* CPC-PCI v1 */
max_chan = EMS_PCI_V1_MAX_CHAN;
base_bar = EMS_PCI_V1_BASE_BAR;
- mem_size = EMS_PCI_V1_MEM_SIZE;
+ conf_size = EMS_PCI_V1_CONF_SIZE;
}
/* Remap configuration space and controller memory area */
- card->conf_addr = pci_iomap(pdev, 0, mem_size);
+ card->conf_addr = pci_iomap(pdev, 0, conf_size);
if (card->conf_addr == NULL) {
err = -ENOMEM;
goto failure_cleanup;
}
- card->base_addr = pci_iomap(pdev, base_bar, mem_size);
+ card->base_addr = pci_iomap(pdev, base_bar, EMS_PCI_BASE_SIZE);
if (card->base_addr == NULL) {
err = -ENOMEM;
goto failure_cleanup;
diff --git a/drivers/net/can/usb/Makefile b/drivers/net/can/usb/Makefile
new file mode 100644
index 00000000000..c3f75ba701b
--- /dev/null
+++ b/drivers/net/can/usb/Makefile
@@ -0,0 +1,5 @@
+#
+# Makefile for the Linux Controller Area Network USB drivers.
+#
+
+obj-$(CONFIG_CAN_EMS_USB) += ems_usb.o
diff --git a/drivers/net/can/usb/ems_usb.c b/drivers/net/can/usb/ems_usb.c
new file mode 100644
index 00000000000..9012e0abc62
--- /dev/null
+++ b/drivers/net/can/usb/ems_usb.c
@@ -0,0 +1,1155 @@
+/*
+ * CAN driver for EMS Dr. Thomas Wuensche CPC-USB/ARM7
+ *
+ * Copyright (C) 2004-2009 EMS Dr. Thomas Wuensche
+ *
+ * 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; version 2 of the License.
+ *
+ * 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.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+#include <linux/init.h>
+#include <linux/signal.h>
+#include <linux/slab.h>
+#include <linux/module.h>
+#include <linux/netdevice.h>
+#include <linux/usb.h>
+
+#include <linux/can.h>
+#include <linux/can/dev.h>
+#include <linux/can/error.h>
+
+MODULE_AUTHOR("Sebastian Haas <haas@ems-wuensche.com>");
+MODULE_DESCRIPTION("CAN driver for EMS Dr. Thomas Wuensche CAN/USB interfaces");
+MODULE_LICENSE("GPL v2");
+
+/* Control-Values for CPC_Control() Command Subject Selection */
+#define CONTR_CAN_MESSAGE 0x04
+#define CONTR_CAN_STATE 0x0C
+#define CONTR_BUS_ERROR 0x1C
+
+/* Control Command Actions */
+#define CONTR_CONT_OFF 0
+#define CONTR_CONT_ON 1
+#define CONTR_ONCE 2
+
+/* Messages from CPC to PC */
+#define CPC_MSG_TYPE_CAN_FRAME 1 /* CAN data frame */
+#define CPC_MSG_TYPE_RTR_FRAME 8 /* CAN remote frame */
+#define CPC_MSG_TYPE_CAN_PARAMS 12 /* Actual CAN parameters */
+#define CPC_MSG_TYPE_CAN_STATE 14 /* CAN state message */
+#define CPC_MSG_TYPE_EXT_CAN_FRAME 16 /* Extended CAN data frame */
+#define CPC_MSG_TYPE_EXT_RTR_FRAME 17 /* Extended remote frame */
+#define CPC_MSG_TYPE_CONTROL 19 /* change interface behavior */
+#define CPC_MSG_TYPE_CONFIRM 20 /* command processed confirmation */
+#define CPC_MSG_TYPE_OVERRUN 21 /* overrun events */
+#define CPC_MSG_TYPE_CAN_FRAME_ERROR 23 /* detected bus errors */
+#define CPC_MSG_TYPE_ERR_COUNTER 25 /* RX/TX error counter */
+
+/* Messages from the PC to the CPC interface */
+#define CPC_CMD_TYPE_CAN_FRAME 1 /* CAN data frame */
+#define CPC_CMD_TYPE_CONTROL 3 /* control of interface behavior */
+#define CPC_CMD_TYPE_CAN_PARAMS 6 /* set CAN parameters */
+#define CPC_CMD_TYPE_RTR_FRAME 13 /* CAN remote frame */
+#define CPC_CMD_TYPE_CAN_STATE 14 /* CAN state message */
+#define CPC_CMD_TYPE_EXT_CAN_FRAME 15 /* Extended CAN data frame */
+#define CPC_CMD_TYPE_EXT_RTR_FRAME 16 /* Extended CAN remote frame */
+#define CPC_CMD_TYPE_CAN_EXIT 200 /* exit the CAN */
+
+#define CPC_CMD_TYPE_INQ_ERR_COUNTER 25 /* request the CAN error counters */
+#define CPC_CMD_TYPE_CLEAR_MSG_QUEUE 8 /* clear CPC_MSG queue */
+#define CPC_CMD_TYPE_CLEAR_CMD_QUEUE 28 /* clear CPC_CMD queue */
+
+#define CPC_CC_TYPE_SJA1000 2 /* Philips basic CAN controller */
+
+#define CPC_CAN_ECODE_ERRFRAME 0x01 /* Ecode type */
+
+/* Overrun types */
+#define CPC_OVR_EVENT_CAN 0x01
+#define CPC_OVR_EVENT_CANSTATE 0x02
+#define CPC_OVR_EVENT_BUSERROR 0x04
+
+/*
+ * If the CAN controller lost a message we indicate it with the highest bit
+ * set in the count field.
+ */
+#define CPC_OVR_HW 0x80
+
+/* Size of the "struct ems_cpc_msg" without the union */
+#define CPC_MSG_HEADER_LEN 11
+#define CPC_CAN_MSG_MIN_SIZE 5
+
+/* Define these values to match your devices */
+#define USB_CPCUSB_VENDOR_ID 0x12D6
+
+#define USB_CPCUSB_ARM7_PRODUCT_ID 0x0444
+
+/* Mode register NXP LPC2119/SJA1000 CAN Controller */
+#define SJA1000_MOD_NORMAL 0x00
+#define SJA1000_MOD_RM 0x01
+
+/* ECC register NXP LPC2119/SJA1000 CAN Controller */
+#define SJA1000_ECC_SEG 0x1F
+#define SJA1000_ECC_DIR 0x20
+#define SJA1000_ECC_ERR 0x06
+#define SJA1000_ECC_BIT 0x00
+#define SJA1000_ECC_FORM 0x40
+#define SJA1000_ECC_STUFF 0x80
+#define SJA1000_ECC_MASK 0xc0
+
+/* Status register content */
+#define SJA1000_SR_BS 0x80
+#define SJA1000_SR_ES 0x40
+
+#define SJA1000_DEFAULT_OUTPUT_CONTROL 0xDA
+
+/*
+ * The device actually uses a 16MHz clock to generate the CAN clock
+ * but it expects SJA1000 bit settings based on 8MHz (is internally
+ * converted).
+ */
+#define EMS_USB_ARM7_CLOCK 8000000
+
+/*
+ * CAN-Message representation in a CPC_MSG. Message object type is
+ * CPC_MSG_TYPE_CAN_FRAME or CPC_MSG_TYPE_RTR_FRAME or
+ * CPC_MSG_TYPE_EXT_CAN_FRAME or CPC_MSG_TYPE_EXT_RTR_FRAME.
+ */
+struct cpc_can_msg {
+ u32 id;
+ u8 length;
+ u8 msg[8];
+};
+
+/* Representation of the CAN parameters for the SJA1000 controller */
+struct cpc_sja1000_params {
+ u8 mode;
+ u8 acc_code0;
+ u8 acc_code1;
+ u8 acc_code2;
+ u8 acc_code3;
+ u8 acc_mask0;
+ u8 acc_mask1;
+ u8 acc_mask2;
+ u8 acc_mask3;
+ u8 btr0;
+ u8 btr1;
+ u8 outp_contr;
+};
+
+/* CAN params message representation */
+struct cpc_can_params {
+ u8 cc_type;
+
+ /* Will support M16C CAN controller in the future */
+ union {
+ struct cpc_sja1000_params sja1000;
+ } cc_params;
+};
+
+/* Structure for confirmed message handling */
+struct cpc_confirm {
+ u8 error; /* error code */
+};
+
+/* Structure for overrun conditions */
+struct cpc_overrun {
+ u8 event;
+ u8 count;
+};
+
+/* SJA1000 CAN errors (compatible to NXP LPC2119) */
+struct cpc_sja1000_can_error {
+ u8 ecc;
+ u8 rxerr;
+ u8 txerr;
+};
+
+/* structure for CAN error conditions */
+struct cpc_can_error {
+ u8 ecode;
+
+ struct {
+ u8 cc_type;
+
+ /* Other controllers may also provide error code capture regs */
+ union {
+ struct cpc_sja1000_can_error sja1000;
+ } regs;
+ } cc;
+};
+
+/*
+ * Structure containing RX/TX error counter. This structure is used to request
+ * the values of the CAN controllers TX and RX error counter.
+ */
+struct cpc_can_err_counter {
+ u8 rx;
+ u8 tx;
+};
+
+/* Main message type used between library and application */
+struct __attribute__ ((packed)) ems_cpc_msg {
+ u8 type; /* type of message */
+ u8 length; /* length of data within union 'msg' */
+ u8 msgid; /* confirmation handle */
+ u32 ts_sec; /* timestamp in seconds */
+ u32 ts_nsec; /* timestamp in nano seconds */
+
+ union {
+ u8 generic[64];
+ struct cpc_can_msg can_msg;
+ struct cpc_can_params can_params;
+ struct cpc_confirm confirmation;
+ struct cpc_overrun overrun;
+ struct cpc_can_error error;
+ struct cpc_can_err_counter err_counter;
+ u8 can_state;
+ } msg;
+};
+
+/*
+ * Table of devices that work with this driver
+ * NOTE: This driver supports only CPC-USB/ARM7 (LPC2119) yet.
+ */
+static struct usb_device_id ems_usb_table[] = {
+ {USB_DEVICE(USB_CPCUSB_VENDOR_ID, USB_CPCUSB_ARM7_PRODUCT_ID)},
+ {} /* Terminating entry */
+};
+
+MODULE_DEVICE_TABLE(usb, ems_usb_table);
+
+#define RX_BUFFER_SIZE 64
+#define CPC_HEADER_SIZE 4
+#define INTR_IN_BUFFER_SIZE 4
+
+#define MAX_RX_URBS 10
+#define MAX_TX_URBS CAN_ECHO_SKB_MAX
+
+struct ems_usb;
+
+struct ems_tx_urb_context {
+ struct ems_usb *dev;
+
+ u32 echo_index;
+ u8 dlc;
+};
+
+struct ems_usb {
+ struct can_priv can; /* must be the first member */
+ int open_time;
+
+ struct sk_buff *echo_skb[MAX_TX_URBS];
+
+ struct usb_device *udev;
+ struct net_device *netdev;
+
+ atomic_t active_tx_urbs;
+ struct usb_anchor tx_submitted;
+ struct ems_tx_urb_context tx_contexts[MAX_TX_URBS];
+
+ struct usb_anchor rx_submitted;
+
+ struct urb *intr_urb;
+
+ u8 *tx_msg_buffer;
+
+ u8 *intr_in_buffer;
+ unsigned int free_slots; /* remember number of available slots */
+
+ struct ems_cpc_msg active_params; /* active controller parameters */
+};
+
+static void ems_usb_read_interrupt_callback(struct urb *urb)
+{
+ struct ems_usb *dev = urb->context;
+ struct net_device *netdev = dev->netdev;
+ int err;
+
+ if (!netif_device_present(netdev))
+ return;
+
+ switch (urb->status) {
+ case 0:
+ dev->free_slots = dev->intr_in_buffer[1];
+ break;
+
+ case -ECONNRESET: /* unlink */
+ case -ENOENT:
+ case -ESHUTDOWN:
+ return;
+
+ default:
+ dev_info(netdev->dev.parent, "Rx interrupt aborted %d\n",
+ urb->status);
+ break;
+ }
+
+ err = usb_submit_urb(urb, GFP_ATOMIC);
+
+ if (err == -ENODEV)
+ netif_device_detach(netdev);
+ else if (err)
+ dev_err(netdev->dev.parent,
+ "failed resubmitting intr urb: %d\n", err);
+
+ return;
+}
+
+static void ems_usb_rx_can_msg(struct ems_usb *dev, struct ems_cpc_msg *msg)
+{
+ struct can_frame *cf;
+ struct sk_buff *skb;
+ int i;
+ struct net_device_stats *stats = &dev->netdev->stats;
+
+ skb = netdev_alloc_skb(dev->netdev, sizeof(struct can_frame));
+ if (skb == NULL)
+ return;
+
+ skb->protocol = htons(ETH_P_CAN);
+
+ cf = (struct can_frame *)skb_put(skb, sizeof(struct can_frame));
+
+ cf->can_id = msg->msg.can_msg.id;
+ cf->can_dlc = min_t(u8, msg->msg.can_msg.length, 8);
+
+ if (msg->type == CPC_MSG_TYPE_EXT_CAN_FRAME
+ || msg->type == CPC_MSG_TYPE_EXT_RTR_FRAME)
+ cf->can_id |= CAN_EFF_FLAG;
+
+ if (msg->type == CPC_MSG_TYPE_RTR_FRAME
+ || msg->type == CPC_MSG_TYPE_EXT_RTR_FRAME) {
+ cf->can_id |= CAN_RTR_FLAG;
+ } else {
+ for (i = 0; i < cf->can_dlc; i++)
+ cf->data[i] = msg->msg.can_msg.msg[i];
+ }
+
+ netif_rx(skb);
+
+ stats->rx_packets++;
+ stats->rx_bytes += cf->can_dlc;
+}
+
+static void ems_usb_rx_err(struct ems_usb *dev, struct ems_cpc_msg *msg)
+{
+ struct can_frame *cf;
+ struct sk_buff *skb;
+ struct net_device_stats *stats = &dev->netdev->stats;
+
+ skb = netdev_alloc_skb(dev->netdev, sizeof(struct can_frame));
+ if (skb == NULL)
+ return;
+
+ skb->protocol = htons(ETH_P_CAN);
+
+ cf = (struct can_frame *)skb_put(skb, sizeof(struct can_frame));
+ memset(cf, 0, sizeof(struct can_frame));
+
+ cf->can_id = CAN_ERR_FLAG;
+ cf->can_dlc = CAN_ERR_DLC;
+
+ if (msg->type == CPC_MSG_TYPE_CAN_STATE) {
+ u8 state = msg->msg.can_state;
+
+ if (state & SJA1000_SR_BS) {
+ dev->can.state = CAN_STATE_BUS_OFF;
+ cf->can_id |= CAN_ERR_BUSOFF;
+
+ can_bus_off(dev->netdev);
+ } else if (state & SJA1000_SR_ES) {
+ dev->can.state = CAN_STATE_ERROR_WARNING;
+ dev->can.can_stats.error_warning++;
+ } else {
+ dev->can.state = CAN_STATE_ERROR_ACTIVE;
+ dev->can.can_stats.error_passive++;
+ }
+ } else if (msg->type == CPC_MSG_TYPE_CAN_FRAME_ERROR) {
+ u8 ecc = msg->msg.error.cc.regs.sja1000.ecc;
+ u8 txerr = msg->msg.error.cc.regs.sja1000.txerr;
+ u8 rxerr = msg->msg.error.cc.regs.sja1000.rxerr;
+
+ /* bus error interrupt */
+ dev->can.can_stats.bus_error++;
+ stats->rx_errors++;
+
+ cf->can_id |= CAN_ERR_PROT | CAN_ERR_BUSERROR;
+
+ switch (ecc & SJA1000_ECC_MASK) {
+ case SJA1000_ECC_BIT:
+ cf->data[2] |= CAN_ERR_PROT_BIT;
+ break;
+ case SJA1000_ECC_FORM:
+ cf->data[2] |= CAN_ERR_PROT_FORM;
+ break;
+ case SJA1000_ECC_STUFF:
+ cf->data[2] |= CAN_ERR_PROT_STUFF;
+ break;
+ default:
+ cf->data[2] |= CAN_ERR_PROT_UNSPEC;
+ cf->data[3] = ecc & SJA1000_ECC_SEG;
+ break;
+ }
+
+ /* Error occured during transmission? */
+ if ((ecc & SJA1000_ECC_DIR) == 0)
+ cf->data[2] |= CAN_ERR_PROT_TX;
+
+ if (dev->can.state == CAN_STATE_ERROR_WARNING ||
+ dev->can.state == CAN_STATE_ERROR_PASSIVE) {
+ cf->data[1] = (txerr > rxerr) ?
+ CAN_ERR_CRTL_TX_PASSIVE : CAN_ERR_CRTL_RX_PASSIVE;
+ }
+ } else if (msg->type == CPC_MSG_TYPE_OVERRUN) {
+ cf->can_id |= CAN_ERR_CRTL;
+ cf->data[1] = CAN_ERR_CRTL_RX_OVERFLOW;
+
+ stats->rx_over_errors++;
+ stats->rx_errors++;
+ }
+
+ netif_rx(skb);
+
+ stats->rx_packets++;
+ stats->rx_bytes += cf->can_dlc;
+}
+
+/*
+ * callback for bulk IN urb
+ */
+static void ems_usb_read_bulk_callback(struct urb *urb)
+{
+ struct ems_usb *dev = urb->context;
+ struct net_device *netdev;
+ int retval;
+
+ netdev = dev->netdev;
+
+ if (!netif_device_present(netdev))
+ return;
+
+ switch (urb->status) {
+ case 0: /* success */
+ break;
+
+ case -ENOENT:
+ return;
+
+ default:
+ dev_info(netdev->dev.parent, "Rx URB aborted (%d)\n",
+ urb->status);
+ goto resubmit_urb;
+ }
+
+ if (urb->actual_length > CPC_HEADER_SIZE) {
+ struct ems_cpc_msg *msg;
+ u8 *ibuf = urb->transfer_buffer;
+ u8 msg_count, again, start;
+
+ msg_count = ibuf[0] & ~0x80;
+ again = ibuf[0] & 0x80;
+
+ start = CPC_HEADER_SIZE;
+
+ while (msg_count) {
+ msg = (struct ems_cpc_msg *)&ibuf[start];
+
+ switch (msg->type) {
+ case CPC_MSG_TYPE_CAN_STATE:
+ /* Process CAN state changes */
+ ems_usb_rx_err(dev, msg);
+ break;
+
+ case CPC_MSG_TYPE_CAN_FRAME:
+ case CPC_MSG_TYPE_EXT_CAN_FRAME:
+ case CPC_MSG_TYPE_RTR_FRAME:
+ case CPC_MSG_TYPE_EXT_RTR_FRAME:
+ ems_usb_rx_can_msg(dev, msg);
+ break;
+
+ case CPC_MSG_TYPE_CAN_FRAME_ERROR:
+ /* Process errorframe */
+ ems_usb_rx_err(dev, msg);
+ break;
+
+ case CPC_MSG_TYPE_OVERRUN:
+ /* Message lost while receiving */
+ ems_usb_rx_err(dev, msg);
+ break;
+ }
+
+ start += CPC_MSG_HEADER_LEN + msg->length;
+ msg_count--;
+
+ if (start > urb->transfer_buffer_length) {
+ dev_err(netdev->dev.parent, "format error\n");
+ break;
+ }
+ }
+ }
+
+resubmit_urb:
+ usb_fill_bulk_urb(urb, dev->udev, usb_rcvbulkpipe(dev->udev, 2),
+ urb->transfer_buffer, RX_BUFFER_SIZE,
+ ems_usb_read_bulk_callback, dev);
+
+ retval = usb_submit_urb(urb, GFP_ATOMIC);
+
+ if (retval == -ENODEV)
+ netif_device_detach(netdev);
+ else if (retval)
+ dev_err(netdev->dev.parent,
+ "failed resubmitting read bulk urb: %d\n", retval);
+
+ return;
+}
+
+/*
+ * callback for bulk IN urb
+ */
+static void ems_usb_write_bulk_callback(struct urb *urb)
+{
+ struct ems_tx_urb_context *context = urb->context;
+ struct ems_usb *dev;
+ struct net_device *netdev;
+
+ BUG_ON(!context);
+
+ dev = context->dev;
+ netdev = dev->netdev;
+
+ /* free up our allocated buffer */
+ usb_buffer_free(urb->dev, urb->transfer_buffer_length,
+ urb->transfer_buffer, urb->transfer_dma);
+
+ atomic_dec(&dev->active_tx_urbs);
+
+ if (!netif_device_present(netdev))
+ return;
+
+ if (urb->status)
+ dev_info(netdev->dev.parent, "Tx URB aborted (%d)\n",
+ urb->status);
+
+ netdev->trans_start = jiffies;
+
+ /* transmission complete interrupt */
+ netdev->stats.tx_packets++;
+ netdev->stats.tx_bytes += context->dlc;
+
+ can_get_echo_skb(netdev, context->echo_index);
+
+ /* Release context */
+ context->echo_index = MAX_TX_URBS;
+
+ if (netif_queue_stopped(netdev))
+ netif_wake_queue(netdev);
+}
+
+/*
+ * Send the given CPC command synchronously
+ */
+static int ems_usb_command_msg(struct ems_usb *dev, struct ems_cpc_msg *msg)
+{
+ int actual_length;
+
+ /* Copy payload */
+ memcpy(&dev->tx_msg_buffer[CPC_HEADER_SIZE], msg,
+ msg->length + CPC_MSG_HEADER_LEN);
+
+ /* Clear header */
+ memset(&dev->tx_msg_buffer[0], 0, CPC_HEADER_SIZE);
+
+ return usb_bulk_msg(dev->udev, usb_sndbulkpipe(dev->udev, 2),
+ &dev->tx_msg_buffer[0],
+ msg->length + CPC_MSG_HEADER_LEN + CPC_HEADER_SIZE,
+ &actual_length, 1000);
+}
+
+/*
+ * Change CAN controllers' mode register
+ */
+static int ems_usb_write_mode(struct ems_usb *dev, u8 mode)
+{
+ dev->active_params.msg.can_params.cc_params.sja1000.mode = mode;
+
+ return ems_usb_command_msg(dev, &dev->active_params);
+}
+
+/*
+ * Send a CPC_Control command to change behaviour when interface receives a CAN
+ * message, bus error or CAN state changed notifications.
+ */
+static int ems_usb_control_cmd(struct ems_usb *dev, u8 val)
+{
+ struct ems_cpc_msg cmd;
+
+ cmd.type = CPC_CMD_TYPE_CONTROL;
+ cmd.length = CPC_MSG_HEADER_LEN + 1;
+
+ cmd.msgid = 0;
+
+ cmd.msg.generic[0] = val;
+
+ return ems_usb_command_msg(dev, &cmd);
+}
+
+/*
+ * Start interface
+ */
+static int ems_usb_start(struct ems_usb *dev)
+{
+ struct net_device *netdev = dev->netdev;
+ int err, i;
+
+ dev->intr_in_buffer[0] = 0;
+ dev->free_slots = 15; /* initial size */
+
+ for (i = 0; i < MAX_RX_URBS; i++) {
+ struct urb *urb = NULL;
+ u8 *buf = NULL;
+
+ /* create a URB, and a buffer for it */
+ urb = usb_alloc_urb(0, GFP_KERNEL);
+ if (!urb) {
+ dev_err(netdev->dev.parent,
+ "No memory left for URBs\n");
+ return -ENOMEM;
+ }
+
+ buf = usb_buffer_alloc(dev->udev, RX_BUFFER_SIZE, GFP_KERNEL,
+ &urb->transfer_dma);
+ if (!buf) {
+ dev_err(netdev->dev.parent,
+ "No memory left for USB buffer\n");
+ usb_free_urb(urb);
+ return -ENOMEM;
+ }
+
+ usb_fill_bulk_urb(urb, dev->udev, usb_rcvbulkpipe(dev->udev, 2),
+ buf, RX_BUFFER_SIZE,
+ ems_usb_read_bulk_callback, dev);
+ urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
+ usb_anchor_urb(urb, &dev->rx_submitted);
+
+ err = usb_submit_urb(urb, GFP_KERNEL);
+ if (err) {
+ if (err == -ENODEV)
+ netif_device_detach(dev->netdev);
+
+ usb_unanchor_urb(urb);
+ usb_buffer_free(dev->udev, RX_BUFFER_SIZE, buf,
+ urb->transfer_dma);
+ break;
+ }
+
+ /* Drop reference, USB core will take care of freeing it */
+ usb_free_urb(urb);
+ }
+
+ /* Did we submit any URBs */
+ if (i == 0) {
+ dev_warn(netdev->dev.parent, "couldn't setup read URBs\n");
+ return err;
+ }
+
+ /* Warn if we've couldn't transmit all the URBs */
+ if (i < MAX_RX_URBS)
+ dev_warn(netdev->dev.parent, "rx performance may be slow\n");
+
+ /* Setup and start interrupt URB */
+ usb_fill_int_urb(dev->intr_urb, dev->udev,
+ usb_rcvintpipe(dev->udev, 1),
+ dev->intr_in_buffer,
+ INTR_IN_BUFFER_SIZE,
+ ems_usb_read_interrupt_callback, dev, 1);
+
+ err = usb_submit_urb(dev->intr_urb, GFP_KERNEL);
+ if (err) {
+ if (err == -ENODEV)
+ netif_device_detach(dev->netdev);
+
+ dev_warn(netdev->dev.parent, "intr URB submit failed: %d\n",
+ err);
+
+ return err;
+ }
+
+ /* CPC-USB will transfer received message to host */
+ err = ems_usb_control_cmd(dev, CONTR_CAN_MESSAGE | CONTR_CONT_ON);
+ if (err)
+ goto failed;
+
+ /* CPC-USB will transfer CAN state changes to host */
+ err = ems_usb_control_cmd(dev, CONTR_CAN_STATE | CONTR_CONT_ON);
+ if (err)
+ goto failed;
+
+ /* CPC-USB will transfer bus errors to host */
+ err = ems_usb_control_cmd(dev, CONTR_BUS_ERROR | CONTR_CONT_ON);
+ if (err)
+ goto failed;
+
+ err = ems_usb_write_mode(dev, SJA1000_MOD_NORMAL);
+ if (err)
+ goto failed;
+
+ dev->can.state = CAN_STATE_ERROR_ACTIVE;
+
+ return 0;
+
+failed:
+ if (err == -ENODEV)
+ netif_device_detach(dev->netdev);
+
+ dev_warn(netdev->dev.parent, "couldn't submit control: %d\n", err);
+
+ return err;
+}
+
+static void unlink_all_urbs(struct ems_usb *dev)
+{
+ int i;
+
+ usb_unlink_urb(dev->intr_urb);
+
+ usb_kill_anchored_urbs(&dev->rx_submitted);
+
+ usb_kill_anchored_urbs(&dev->tx_submitted);
+ atomic_set(&dev->active_tx_urbs, 0);
+
+ for (i = 0; i < MAX_TX_URBS; i++)
+ dev->tx_contexts[i].echo_index = MAX_TX_URBS;
+}
+
+static int ems_usb_open(struct net_device *netdev)
+{
+ struct ems_usb *dev = netdev_priv(netdev);
+ int err;
+
+ err = ems_usb_write_mode(dev, SJA1000_MOD_RM);
+ if (err)
+ return err;
+
+ /* common open */
+ err = open_candev(netdev);
+ if (err)
+ return err;
+
+ /* finally start device */
+ err = ems_usb_start(dev);
+ if (err) {
+ if (err == -ENODEV)
+ netif_device_detach(dev->netdev);
+
+ dev_warn(netdev->dev.parent, "couldn't start device: %d\n",
+ err);
+
+ close_candev(netdev);
+
+ return err;
+ }
+
+ dev->open_time = jiffies;
+
+ netif_start_queue(netdev);
+
+ return 0;
+}
+
+static netdev_tx_t ems_usb_start_xmit(struct sk_buff *skb, struct net_device *netdev)
+{
+ struct ems_usb *dev = netdev_priv(netdev);
+ struct ems_tx_urb_context *context = NULL;
+ struct net_device_stats *stats = &netdev->stats;
+ struct can_frame *cf = (struct can_frame *)skb->data;
+ struct ems_cpc_msg *msg;
+ struct urb *urb;
+ u8 *buf;
+ int i, err;
+ size_t size = CPC_HEADER_SIZE + CPC_MSG_HEADER_LEN
+ + sizeof(struct cpc_can_msg);
+
+ /* create a URB, and a buffer for it, and copy the data to the URB */
+ urb = usb_alloc_urb(0, GFP_ATOMIC);
+ if (!urb) {
+ dev_err(netdev->dev.parent, "No memory left for URBs\n");
+ goto nomem;
+ }
+
+ buf = usb_buffer_alloc(dev->udev, size, GFP_ATOMIC, &urb->transfer_dma);
+ if (!buf) {
+ dev_err(netdev->dev.parent, "No memory left for USB buffer\n");
+ usb_free_urb(urb);
+ goto nomem;
+ }
+
+ msg = (struct ems_cpc_msg *)&buf[CPC_HEADER_SIZE];
+
+ msg->msg.can_msg.id = cf->can_id & CAN_ERR_MASK;
+ msg->msg.can_msg.length = cf->can_dlc;
+
+ if (cf->can_id & CAN_RTR_FLAG) {
+ msg->type = cf->can_id & CAN_EFF_FLAG ?
+ CPC_CMD_TYPE_EXT_RTR_FRAME : CPC_CMD_TYPE_RTR_FRAME;
+
+ msg->length = CPC_CAN_MSG_MIN_SIZE;
+ } else {
+ msg->type = cf->can_id & CAN_EFF_FLAG ?
+ CPC_CMD_TYPE_EXT_CAN_FRAME : CPC_CMD_TYPE_CAN_FRAME;
+
+ for (i = 0; i < cf->can_dlc; i++)
+ msg->msg.can_msg.msg[i] = cf->data[i];
+
+ msg->length = CPC_CAN_MSG_MIN_SIZE + cf->can_dlc;
+ }
+
+ for (i = 0; i < MAX_TX_URBS; i++) {
+ if (dev->tx_contexts[i].echo_index == MAX_TX_URBS) {
+ context = &dev->tx_contexts[i];
+ break;
+ }
+ }
+
+ /*
+ * May never happen! When this happens we'd more URBs in flight as
+ * allowed (MAX_TX_URBS).
+ */
+ if (!context) {
+ usb_unanchor_urb(urb);
+ usb_buffer_free(dev->udev, size, buf, urb->transfer_dma);
+
+ dev_warn(netdev->dev.parent, "couldn't find free context\n");
+
+ return NETDEV_TX_BUSY;
+ }
+
+ context->dev = dev;
+ context->echo_index = i;
+ context->dlc = cf->can_dlc;
+
+ usb_fill_bulk_urb(urb, dev->udev, usb_sndbulkpipe(dev->udev, 2), buf,
+ size, ems_usb_write_bulk_callback, context);
+ urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
+ usb_anchor_urb(urb, &dev->tx_submitted);
+
+ can_put_echo_skb(skb, netdev, context->echo_index);
+
+ atomic_inc(&dev->active_tx_urbs);
+
+ err = usb_submit_urb(urb, GFP_ATOMIC);
+ if (unlikely(err)) {
+ can_free_echo_skb(netdev, context->echo_index);
+
+ usb_unanchor_urb(urb);
+ usb_buffer_free(dev->udev, size, buf, urb->transfer_dma);
+ dev_kfree_skb(skb);
+
+ atomic_dec(&dev->active_tx_urbs);
+
+ if (err == -ENODEV) {
+ netif_device_detach(netdev);
+ } else {
+ dev_warn(netdev->dev.parent, "failed tx_urb %d\n", err);
+
+ stats->tx_dropped++;
+ }
+ } else {
+ netdev->trans_start = jiffies;
+
+ /* Slow down tx path */
+ if (atomic_read(&dev->active_tx_urbs) >= MAX_TX_URBS ||
+ dev->free_slots < 5) {
+ netif_stop_queue(netdev);
+ }
+ }
+
+ /*
+ * Release our reference to this URB, the USB core will eventually free
+ * it entirely.
+ */
+ usb_free_urb(urb);
+
+ return NETDEV_TX_OK;
+
+nomem:
+ if (skb)
+ dev_kfree_skb(skb);
+
+ stats->tx_dropped++;
+
+ return NETDEV_TX_OK;
+}
+
+static int ems_usb_close(struct net_device *netdev)
+{
+ struct ems_usb *dev = netdev_priv(netdev);
+
+ /* Stop polling */
+ unlink_all_urbs(dev);
+
+ netif_stop_queue(netdev);
+
+ /* Set CAN controller to reset mode */
+ if (ems_usb_write_mode(dev, SJA1000_MOD_RM))
+ dev_warn(netdev->dev.parent, "couldn't stop device");
+
+ close_candev(netdev);
+
+ dev->open_time = 0;
+
+ return 0;
+}
+
+static const struct net_device_ops ems_usb_netdev_ops = {
+ .ndo_open = ems_usb_open,
+ .ndo_stop = ems_usb_close,
+ .ndo_start_xmit = ems_usb_start_xmit,
+};
+
+static struct can_bittiming_const ems_usb_bittiming_const = {
+ .name = "ems_usb",
+ .tseg1_min = 1,
+ .tseg1_max = 16,
+ .tseg2_min = 1,
+ .tseg2_max = 8,
+ .sjw_max = 4,
+ .brp_min = 1,
+ .brp_max = 64,
+ .brp_inc = 1,
+};
+
+static int ems_usb_set_mode(struct net_device *netdev, enum can_mode mode)
+{
+ struct ems_usb *dev = netdev_priv(netdev);
+
+ if (!dev->open_time)
+ return -EINVAL;
+
+ switch (mode) {
+ case CAN_MODE_START:
+ if (ems_usb_write_mode(dev, SJA1000_MOD_NORMAL))
+ dev_warn(netdev->dev.parent, "couldn't start device");
+
+ if (netif_queue_stopped(netdev))
+ netif_wake_queue(netdev);
+ break;
+
+ default:
+ return -EOPNOTSUPP;
+ }
+
+ return 0;
+}
+
+static int ems_usb_set_bittiming(struct net_device *netdev)
+{
+ struct ems_usb *dev = netdev_priv(netdev);
+ struct can_bittiming *bt = &dev->can.bittiming;
+ u8 btr0, btr1;
+
+ btr0 = ((bt->brp - 1) & 0x3f) | (((bt->sjw - 1) & 0x3) << 6);
+ btr1 = ((bt->prop_seg + bt->phase_seg1 - 1) & 0xf) |
+ (((bt->phase_seg2 - 1) & 0x7) << 4);
+ if (dev->can.ctrlmode & CAN_CTRLMODE_3_SAMPLES)
+ btr1 |= 0x80;
+
+ dev_info(netdev->dev.parent, "setting BTR0=0x%02x BTR1=0x%02x\n",
+ btr0, btr1);
+
+ dev->active_params.msg.can_params.cc_params.sja1000.btr0 = btr0;
+ dev->active_params.msg.can_params.cc_params.sja1000.btr1 = btr1;
+
+ return ems_usb_command_msg(dev, &dev->active_params);
+}
+
+static void init_params_sja1000(struct ems_cpc_msg *msg)
+{
+ struct cpc_sja1000_params *sja1000 =
+ &msg->msg.can_params.cc_params.sja1000;
+
+ msg->type = CPC_CMD_TYPE_CAN_PARAMS;
+ msg->length = sizeof(struct cpc_can_params);
+ msg->msgid = 0;
+
+ msg->msg.can_params.cc_type = CPC_CC_TYPE_SJA1000;
+
+ /* Acceptance filter open */
+ sja1000->acc_code0 = 0x00;
+ sja1000->acc_code1 = 0x00;
+ sja1000->acc_code2 = 0x00;
+ sja1000->acc_code3 = 0x00;
+
+ /* Acceptance filter open */
+ sja1000->acc_mask0 = 0xFF;
+ sja1000->acc_mask1 = 0xFF;
+ sja1000->acc_mask2 = 0xFF;
+ sja1000->acc_mask3 = 0xFF;
+
+ sja1000->btr0 = 0;
+ sja1000->btr1 = 0;
+
+ sja1000->outp_contr = SJA1000_DEFAULT_OUTPUT_CONTROL;
+ sja1000->mode = SJA1000_MOD_RM;
+}
+
+/*
+ * probe function for new CPC-USB devices
+ */
+static int ems_usb_probe(struct usb_interface *intf,
+ const struct usb_device_id *id)
+{
+ struct net_device *netdev;
+ struct ems_usb *dev;
+ int i, err = -ENOMEM;
+
+ netdev = alloc_candev(sizeof(struct ems_usb));
+ if (!netdev) {
+ dev_err(netdev->dev.parent, "Couldn't alloc candev\n");
+ return -ENOMEM;
+ }
+
+ dev = netdev_priv(netdev);
+
+ dev->udev = interface_to_usbdev(intf);
+ dev->netdev = netdev;
+
+ dev->can.state = CAN_STATE_STOPPED;
+ dev->can.clock.freq = EMS_USB_ARM7_CLOCK;
+ dev->can.bittiming_const = &ems_usb_bittiming_const;
+ dev->can.do_set_bittiming = ems_usb_set_bittiming;
+ dev->can.do_set_mode = ems_usb_set_mode;
+
+ netdev->flags |= IFF_ECHO; /* we support local echo */
+
+ netdev->netdev_ops = &ems_usb_netdev_ops;
+
+ netdev->flags |= IFF_ECHO; /* we support local echo */
+
+ init_usb_anchor(&dev->rx_submitted);
+
+ init_usb_anchor(&dev->tx_submitted);
+ atomic_set(&dev->active_tx_urbs, 0);
+
+ for (i = 0; i < MAX_TX_URBS; i++)
+ dev->tx_contexts[i].echo_index = MAX_TX_URBS;
+
+ dev->intr_urb = usb_alloc_urb(0, GFP_KERNEL);
+ if (!dev->intr_urb) {
+ dev_err(netdev->dev.parent, "Couldn't alloc intr URB\n");
+ goto cleanup_candev;
+ }
+
+ dev->intr_in_buffer = kzalloc(INTR_IN_BUFFER_SIZE, GFP_KERNEL);
+ if (!dev->intr_in_buffer) {
+ dev_err(netdev->dev.parent, "Couldn't alloc Intr buffer\n");
+ goto cleanup_intr_urb;
+ }
+
+ dev->tx_msg_buffer = kzalloc(CPC_HEADER_SIZE +
+ sizeof(struct ems_cpc_msg), GFP_KERNEL);
+ if (!dev->tx_msg_buffer) {
+ dev_err(netdev->dev.parent, "Couldn't alloc Tx buffer\n");
+ goto cleanup_intr_in_buffer;
+ }
+
+ usb_set_intfdata(intf, dev);
+
+ SET_NETDEV_DEV(netdev, &intf->dev);
+
+ init_params_sja1000(&dev->active_params);
+
+ err = ems_usb_command_msg(dev, &dev->active_params);
+ if (err) {
+ dev_err(netdev->dev.parent,
+ "couldn't initialize controller: %d\n", err);
+ goto cleanup_tx_msg_buffer;
+ }
+
+ err = register_candev(netdev);
+ if (err) {
+ dev_err(netdev->dev.parent,
+ "couldn't register CAN device: %d\n", err);
+ goto cleanup_tx_msg_buffer;
+ }
+
+ return 0;
+
+cleanup_tx_msg_buffer:
+ kfree(dev->tx_msg_buffer);
+
+cleanup_intr_in_buffer:
+ kfree(dev->intr_in_buffer);
+
+cleanup_intr_urb:
+ usb_free_urb(dev->intr_urb);
+
+cleanup_candev:
+ free_candev(netdev);
+
+ return err;
+}
+
+/*
+ * called by the usb core when the device is removed from the system
+ */
+static void ems_usb_disconnect(struct usb_interface *intf)
+{
+ struct ems_usb *dev = usb_get_intfdata(intf);
+
+ usb_set_intfdata(intf, NULL);
+
+ if (dev) {
+ unregister_netdev(dev->netdev);
+ free_candev(dev->netdev);
+
+ unlink_all_urbs(dev);
+
+ usb_free_urb(dev->intr_urb);
+
+ kfree(dev->intr_in_buffer);
+ }
+}
+
+/* usb specific object needed to register this driver with the usb subsystem */
+static struct usb_driver ems_usb_driver = {
+ .name = "ems_usb",
+ .probe = ems_usb_probe,
+ .disconnect = ems_usb_disconnect,
+ .id_table = ems_usb_table,
+};
+
+static int __init ems_usb_init(void)
+{
+ int err;
+
+ printk(KERN_INFO "CPC-USB kernel driver loaded\n");
+
+ /* register this driver with the USB subsystem */
+ err = usb_register(&ems_usb_driver);
+
+ if (err) {
+ err("usb_register failed. Error number %d\n", err);
+ return err;
+ }
+
+ return 0;
+}
+
+static void __exit ems_usb_exit(void)
+{
+ /* deregister this driver with the USB subsystem */
+ usb_deregister(&ems_usb_driver);
+}
+
+module_init(ems_usb_init);
+module_exit(ems_usb_exit);
diff --git a/drivers/net/cnic.c b/drivers/net/cnic.c
index d45eacb7670..211c8e9182f 100644
--- a/drivers/net/cnic.c
+++ b/drivers/net/cnic.c
@@ -85,8 +85,6 @@ static int cnic_uio_open(struct uio_info *uinfo, struct inode *inode)
cp->uio_dev = iminor(inode);
- cnic_shutdown_bnx2_rx_ring(dev);
-
cnic_init_bnx2_tx_ring(dev);
cnic_init_bnx2_rx_ring(dev);
@@ -98,6 +96,8 @@ static int cnic_uio_close(struct uio_info *uinfo, struct inode *inode)
struct cnic_dev *dev = uinfo->priv;
struct cnic_local *cp = dev->cnic_priv;
+ cnic_shutdown_bnx2_rx_ring(dev);
+
cp->uio_dev = -1;
return 0;
}
diff --git a/drivers/net/cpmac.c b/drivers/net/cpmac.c
index 3e3fab8afb1..61f9da2b494 100644
--- a/drivers/net/cpmac.c
+++ b/drivers/net/cpmac.c
@@ -1109,7 +1109,7 @@ static int external_switch;
static int __devinit cpmac_probe(struct platform_device *pdev)
{
int rc, phy_id;
- char mdio_bus_id[BUS_ID_SIZE];
+ char mdio_bus_id[MII_BUS_ID_SIZE];
struct resource *mem;
struct cpmac_priv *priv;
struct net_device *dev;
@@ -1118,7 +1118,7 @@ static int __devinit cpmac_probe(struct platform_device *pdev)
pdata = pdev->dev.platform_data;
if (external_switch || dumb_switch) {
- strncpy(mdio_bus_id, "0", BUS_ID_SIZE); /* fixed phys bus */
+ strncpy(mdio_bus_id, "0", MII_BUS_ID_SIZE); /* fixed phys bus */
phy_id = pdev->id;
} else {
for (phy_id = 0; phy_id < PHY_MAX_ADDR; phy_id++) {
@@ -1126,7 +1126,7 @@ static int __devinit cpmac_probe(struct platform_device *pdev)
continue;
if (!cpmac_mii->phy_map[phy_id])
continue;
- strncpy(mdio_bus_id, cpmac_mii->id, BUS_ID_SIZE);
+ strncpy(mdio_bus_id, cpmac_mii->id, MII_BUS_ID_SIZE);
break;
}
}
@@ -1167,7 +1167,7 @@ static int __devinit cpmac_probe(struct platform_device *pdev)
priv->msg_enable = netif_msg_init(debug_level, 0xff);
memcpy(dev->dev_addr, pdata->dev_addr, sizeof(dev->dev_addr));
- snprintf(priv->phy_name, BUS_ID_SIZE, PHY_ID_FMT, mdio_bus_id, phy_id);
+ snprintf(priv->phy_name, MII_BUS_ID_SIZE, PHY_ID_FMT, mdio_bus_id, phy_id);
priv->phy = phy_connect(dev, priv->phy_name, &cpmac_adjust_link, 0,
PHY_INTERFACE_MODE_MII);
diff --git a/drivers/net/ehea/ehea_main.c b/drivers/net/ehea/ehea_main.c
index 977c3d35827..41bd7aeafd8 100644
--- a/drivers/net/ehea/ehea_main.c
+++ b/drivers/net/ehea/ehea_main.c
@@ -3083,7 +3083,6 @@ static const struct net_device_ops ehea_netdev_ops = {
.ndo_poll_controller = ehea_netpoll,
#endif
.ndo_get_stats = ehea_get_stats,
- .ndo_change_mtu = eth_change_mtu,
.ndo_set_mac_address = ehea_set_mac_addr,
.ndo_validate_addr = eth_validate_addr,
.ndo_set_multicast_list = ehea_set_multicast_list,
diff --git a/drivers/net/igb/e1000_mac.c b/drivers/net/igb/e1000_mac.c
index a0231cd079f..7d76bb085e1 100644
--- a/drivers/net/igb/e1000_mac.c
+++ b/drivers/net/igb/e1000_mac.c
@@ -286,41 +286,6 @@ void igb_mta_set(struct e1000_hw *hw, u32 hash_value)
}
/**
- * igb_update_mc_addr_list - Update Multicast addresses
- * @hw: pointer to the HW structure
- * @mc_addr_list: array of multicast addresses to program
- * @mc_addr_count: number of multicast addresses to program
- *
- * Updates entire Multicast Table Array.
- * The caller must have a packed mc_addr_list of multicast addresses.
- **/
-void igb_update_mc_addr_list(struct e1000_hw *hw,
- u8 *mc_addr_list, u32 mc_addr_count)
-{
- u32 hash_value, hash_bit, hash_reg;
- int i;
-
- /* clear mta_shadow */
- memset(&hw->mac.mta_shadow, 0, sizeof(hw->mac.mta_shadow));
-
- /* update mta_shadow from mc_addr_list */
- for (i = 0; (u32) i < mc_addr_count; i++) {
- hash_value = igb_hash_mc_addr(hw, mc_addr_list);
-
- hash_reg = (hash_value >> 5) & (hw->mac.mta_reg_count - 1);
- hash_bit = hash_value & 0x1F;
-
- hw->mac.mta_shadow[hash_reg] |= (1 << hash_bit);
- mc_addr_list += (ETH_ALEN);
- }
-
- /* replace the entire MTA table */
- for (i = hw->mac.mta_reg_count - 1; i >= 0; i--)
- array_wr32(E1000_MTA, i, hw->mac.mta_shadow[i]);
- wrfl();
-}
-
-/**
* igb_hash_mc_addr - Generate a multicast hash value
* @hw: pointer to the HW structure
* @mc_addr: pointer to a multicast address
@@ -329,7 +294,7 @@ void igb_update_mc_addr_list(struct e1000_hw *hw,
* the multicast filter table array address and new table value. See
* igb_mta_set()
**/
-u32 igb_hash_mc_addr(struct e1000_hw *hw, u8 *mc_addr)
+static u32 igb_hash_mc_addr(struct e1000_hw *hw, u8 *mc_addr)
{
u32 hash_value, hash_mask;
u8 bit_shift = 0;
@@ -392,6 +357,41 @@ u32 igb_hash_mc_addr(struct e1000_hw *hw, u8 *mc_addr)
}
/**
+ * igb_update_mc_addr_list - Update Multicast addresses
+ * @hw: pointer to the HW structure
+ * @mc_addr_list: array of multicast addresses to program
+ * @mc_addr_count: number of multicast addresses to program
+ *
+ * Updates entire Multicast Table Array.
+ * The caller must have a packed mc_addr_list of multicast addresses.
+ **/
+void igb_update_mc_addr_list(struct e1000_hw *hw,
+ u8 *mc_addr_list, u32 mc_addr_count)
+{
+ u32 hash_value, hash_bit, hash_reg;
+ int i;
+
+ /* clear mta_shadow */
+ memset(&hw->mac.mta_shadow, 0, sizeof(hw->mac.mta_shadow));
+
+ /* update mta_shadow from mc_addr_list */
+ for (i = 0; (u32) i < mc_addr_count; i++) {
+ hash_value = igb_hash_mc_addr(hw, mc_addr_list);
+
+ hash_reg = (hash_value >> 5) & (hw->mac.mta_reg_count - 1);
+ hash_bit = hash_value & 0x1F;
+
+ hw->mac.mta_shadow[hash_reg] |= (1 << hash_bit);
+ mc_addr_list += (ETH_ALEN);
+ }
+
+ /* replace the entire MTA table */
+ for (i = hw->mac.mta_reg_count - 1; i >= 0; i--)
+ array_wr32(E1000_MTA, i, hw->mac.mta_shadow[i]);
+ wrfl();
+}
+
+/**
* igb_clear_hw_cntrs_base - Clear base hardware counters
* @hw: pointer to the HW structure
*
diff --git a/drivers/net/igb/e1000_mac.h b/drivers/net/igb/e1000_mac.h
index 7518af8cbbf..bca17d88241 100644
--- a/drivers/net/igb/e1000_mac.h
+++ b/drivers/net/igb/e1000_mac.h
@@ -88,6 +88,5 @@ enum e1000_mng_mode {
#define E1000_MNG_DHCP_COOKIE_STATUS_VLAN 0x2
extern void e1000_init_function_pointers_82575(struct e1000_hw *hw);
-extern u32 igb_hash_mc_addr(struct e1000_hw *hw, u8 *mc_addr);
#endif
diff --git a/drivers/net/ixgbe/ixgbe.h b/drivers/net/ixgbe/ixgbe.h
index dd688d45e9c..385be601666 100644
--- a/drivers/net/ixgbe/ixgbe.h
+++ b/drivers/net/ixgbe/ixgbe.h
@@ -267,7 +267,8 @@ struct ixgbe_adapter {
enum ixgbe_fc_mode last_lfc_mode;
/* Interrupt Throttle Rate */
- u32 itr_setting;
+ u32 rx_itr_setting;
+ u32 tx_itr_setting;
u16 eitr_low;
u16 eitr_high;
@@ -351,7 +352,8 @@ struct ixgbe_adapter {
struct ixgbe_hw_stats stats;
/* Interrupt Throttle Rate */
- u32 eitr_param;
+ u32 rx_eitr_param;
+ u32 tx_eitr_param;
unsigned long state;
u64 tx_busy;
diff --git a/drivers/net/ixgbe/ixgbe_ethtool.c b/drivers/net/ixgbe/ixgbe_ethtool.c
index 026e94a9984..53b0a668025 100644
--- a/drivers/net/ixgbe/ixgbe_ethtool.c
+++ b/drivers/net/ixgbe/ixgbe_ethtool.c
@@ -1929,7 +1929,7 @@ static int ixgbe_get_coalesce(struct net_device *netdev,
ec->tx_max_coalesced_frames_irq = adapter->tx_ring[0].work_limit;
/* only valid if in constant ITR mode */
- switch (adapter->itr_setting) {
+ switch (adapter->rx_itr_setting) {
case 0:
/* throttling disabled */
ec->rx_coalesce_usecs = 0;
@@ -1940,9 +1940,25 @@ static int ixgbe_get_coalesce(struct net_device *netdev,
break;
default:
/* fixed interrupt rate mode */
- ec->rx_coalesce_usecs = 1000000/adapter->eitr_param;
+ ec->rx_coalesce_usecs = 1000000/adapter->rx_eitr_param;
break;
}
+
+ /* only valid if in constant ITR mode */
+ switch (adapter->tx_itr_setting) {
+ case 0:
+ /* throttling disabled */
+ ec->tx_coalesce_usecs = 0;
+ break;
+ case 1:
+ /* dynamic ITR mode */
+ ec->tx_coalesce_usecs = 1;
+ break;
+ default:
+ ec->tx_coalesce_usecs = 1000000/adapter->tx_eitr_param;
+ break;
+ }
+
return 0;
}
@@ -1953,6 +1969,14 @@ static int ixgbe_set_coalesce(struct net_device *netdev,
struct ixgbe_q_vector *q_vector;
int i;
+ /*
+ * don't accept tx specific changes if we've got mixed RxTx vectors
+ * test and jump out here if needed before changing the rx numbers
+ */
+ if ((1000000/ec->tx_coalesce_usecs) != adapter->tx_eitr_param &&
+ adapter->q_vector[0]->txr_count && adapter->q_vector[0]->rxr_count)
+ return -EINVAL;
+
if (ec->tx_max_coalesced_frames_irq)
adapter->tx_ring[0].work_limit = ec->tx_max_coalesced_frames_irq;
@@ -1963,26 +1987,49 @@ static int ixgbe_set_coalesce(struct net_device *netdev,
return -EINVAL;
/* store the value in ints/second */
- adapter->eitr_param = 1000000/ec->rx_coalesce_usecs;
+ adapter->rx_eitr_param = 1000000/ec->rx_coalesce_usecs;
/* static value of interrupt rate */
- adapter->itr_setting = adapter->eitr_param;
+ adapter->rx_itr_setting = adapter->rx_eitr_param;
/* clear the lower bit as its used for dynamic state */
- adapter->itr_setting &= ~1;
+ adapter->rx_itr_setting &= ~1;
} else if (ec->rx_coalesce_usecs == 1) {
/* 1 means dynamic mode */
- adapter->eitr_param = 20000;
- adapter->itr_setting = 1;
+ adapter->rx_eitr_param = 20000;
+ adapter->rx_itr_setting = 1;
} else {
/*
* any other value means disable eitr, which is best
* served by setting the interrupt rate very high
*/
if (adapter->flags2 & IXGBE_FLAG2_RSC_ENABLED)
- adapter->eitr_param = IXGBE_MAX_RSC_INT_RATE;
+ adapter->rx_eitr_param = IXGBE_MAX_RSC_INT_RATE;
else
- adapter->eitr_param = IXGBE_MAX_INT_RATE;
- adapter->itr_setting = 0;
+ adapter->rx_eitr_param = IXGBE_MAX_INT_RATE;
+ adapter->rx_itr_setting = 0;
+ }
+
+ if (ec->tx_coalesce_usecs > 1) {
+ /* check the limits */
+ if ((1000000/ec->tx_coalesce_usecs > IXGBE_MAX_INT_RATE) ||
+ (1000000/ec->tx_coalesce_usecs < IXGBE_MIN_INT_RATE))
+ return -EINVAL;
+
+ /* store the value in ints/second */
+ adapter->tx_eitr_param = 1000000/ec->tx_coalesce_usecs;
+
+ /* static value of interrupt rate */
+ adapter->tx_itr_setting = adapter->tx_eitr_param;
+
+ /* clear the lower bit as its used for dynamic state */
+ adapter->tx_itr_setting &= ~1;
+ } else if (ec->tx_coalesce_usecs == 1) {
+ /* 1 means dynamic mode */
+ adapter->tx_eitr_param = 10000;
+ adapter->tx_itr_setting = 1;
+ } else {
+ adapter->tx_eitr_param = IXGBE_MAX_INT_RATE;
+ adapter->tx_itr_setting = 0;
}
/* MSI/MSIx Interrupt Mode */
@@ -1992,17 +2039,17 @@ static int ixgbe_set_coalesce(struct net_device *netdev,
for (i = 0; i < num_vectors; i++) {
q_vector = adapter->q_vector[i];
if (q_vector->txr_count && !q_vector->rxr_count)
- /* tx vector gets half the rate */
- q_vector->eitr = (adapter->eitr_param >> 1);
+ /* tx only */
+ q_vector->eitr = adapter->tx_eitr_param;
else
/* rx only or mixed */
- q_vector->eitr = adapter->eitr_param;
+ q_vector->eitr = adapter->rx_eitr_param;
ixgbe_write_eitr(q_vector);
}
/* Legacy Interrupt Mode */
} else {
q_vector = adapter->q_vector[0];
- q_vector->eitr = adapter->eitr_param;
+ q_vector->eitr = adapter->rx_eitr_param;
ixgbe_write_eitr(q_vector);
}
diff --git a/drivers/net/ixgbe/ixgbe_main.c b/drivers/net/ixgbe/ixgbe_main.c
index 59ad9590e70..c407bd9de0d 100644
--- a/drivers/net/ixgbe/ixgbe_main.c
+++ b/drivers/net/ixgbe/ixgbe_main.c
@@ -926,12 +926,12 @@ static void ixgbe_configure_msix(struct ixgbe_adapter *adapter)
r_idx + 1);
}
- /* if this is a tx only vector halve the interrupt rate */
if (q_vector->txr_count && !q_vector->rxr_count)
- q_vector->eitr = (adapter->eitr_param >> 1);
+ /* tx only */
+ q_vector->eitr = adapter->tx_eitr_param;
else if (q_vector->rxr_count)
- /* rx only */
- q_vector->eitr = adapter->eitr_param;
+ /* rx or mixed */
+ q_vector->eitr = adapter->rx_eitr_param;
ixgbe_write_eitr(q_vector);
}
@@ -1359,7 +1359,7 @@ static int ixgbe_clean_rxonly(struct napi_struct *napi, int budget)
/* If all Rx work done, exit the polling mode */
if (work_done < budget) {
napi_complete(napi);
- if (adapter->itr_setting & 1)
+ if (adapter->rx_itr_setting & 1)
ixgbe_set_itr_msix(q_vector);
if (!test_bit(__IXGBE_DOWN, &adapter->state))
ixgbe_irq_enable_queues(adapter,
@@ -1420,7 +1420,7 @@ static int ixgbe_clean_rxtx_many(struct napi_struct *napi, int budget)
/* If all Rx work done, exit the polling mode */
if (work_done < budget) {
napi_complete(napi);
- if (adapter->itr_setting & 1)
+ if (adapter->rx_itr_setting & 1)
ixgbe_set_itr_msix(q_vector);
if (!test_bit(__IXGBE_DOWN, &adapter->state))
ixgbe_irq_enable_queues(adapter,
@@ -1458,10 +1458,10 @@ static int ixgbe_clean_txonly(struct napi_struct *napi, int budget)
if (!ixgbe_clean_tx_irq(q_vector, tx_ring))
work_done = budget;
- /* If all Rx work done, exit the polling mode */
+ /* If all Tx work done, exit the polling mode */
if (work_done < budget) {
napi_complete(napi);
- if (adapter->itr_setting & 1)
+ if (adapter->tx_itr_setting & 1)
ixgbe_set_itr_msix(q_vector);
if (!test_bit(__IXGBE_DOWN, &adapter->state))
ixgbe_irq_enable_queues(adapter, ((u64)1 << q_vector->v_idx));
@@ -1848,7 +1848,7 @@ static void ixgbe_configure_msi_and_legacy(struct ixgbe_adapter *adapter)
struct ixgbe_hw *hw = &adapter->hw;
IXGBE_WRITE_REG(hw, IXGBE_EITR(0),
- EITR_INTS_PER_SEC_TO_REG(adapter->eitr_param));
+ EITR_INTS_PER_SEC_TO_REG(adapter->rx_eitr_param));
ixgbe_set_ivar(adapter, 0, 0, 0);
ixgbe_set_ivar(adapter, 1, 0, 0);
@@ -1970,6 +1970,50 @@ static u32 ixgbe_setup_mrqc(struct ixgbe_adapter *adapter)
}
/**
+ * ixgbe_configure_rscctl - enable RSC for the indicated ring
+ * @adapter: address of board private structure
+ * @index: index of ring to set
+ * @rx_buf_len: rx buffer length
+ **/
+static void ixgbe_configure_rscctl(struct ixgbe_adapter *adapter, int index,
+ int rx_buf_len)
+{
+ struct ixgbe_ring *rx_ring;
+ struct ixgbe_hw *hw = &adapter->hw;
+ int j;
+ u32 rscctrl;
+
+ rx_ring = &adapter->rx_ring[index];
+ j = rx_ring->reg_idx;
+ rscctrl = IXGBE_READ_REG(hw, IXGBE_RSCCTL(j));
+ rscctrl |= IXGBE_RSCCTL_RSCEN;
+ /*
+ * we must limit the number of descriptors so that the
+ * total size of max desc * buf_len is not greater
+ * than 65535
+ */
+ if (rx_ring->flags & IXGBE_RING_RX_PS_ENABLED) {
+#if (MAX_SKB_FRAGS > 16)
+ rscctrl |= IXGBE_RSCCTL_MAXDESC_16;
+#elif (MAX_SKB_FRAGS > 8)
+ rscctrl |= IXGBE_RSCCTL_MAXDESC_8;
+#elif (MAX_SKB_FRAGS > 4)
+ rscctrl |= IXGBE_RSCCTL_MAXDESC_4;
+#else
+ rscctrl |= IXGBE_RSCCTL_MAXDESC_1;
+#endif
+ } else {
+ if (rx_buf_len < IXGBE_RXBUFFER_4096)
+ rscctrl |= IXGBE_RSCCTL_MAXDESC_16;
+ else if (rx_buf_len < IXGBE_RXBUFFER_8192)
+ rscctrl |= IXGBE_RSCCTL_MAXDESC_8;
+ else
+ rscctrl |= IXGBE_RSCCTL_MAXDESC_4;
+ }
+ IXGBE_WRITE_REG(hw, IXGBE_RSCCTL(j), rscctrl);
+}
+
+/**
* ixgbe_configure_rx - Configure 8259x Receive Unit after Reset
* @adapter: board private structure
*
@@ -1990,7 +2034,6 @@ static void ixgbe_configure_rx(struct ixgbe_adapter *adapter)
u32 fctrl, hlreg0;
u32 reta = 0, mrqc = 0;
u32 rdrxctl;
- u32 rscctrl;
int rx_buf_len;
/* Decide whether to use packet split mode or not */
@@ -2148,36 +2191,9 @@ static void ixgbe_configure_rx(struct ixgbe_adapter *adapter)
if (adapter->flags2 & IXGBE_FLAG2_RSC_ENABLED) {
/* Enable 82599 HW-RSC */
- for (i = 0; i < adapter->num_rx_queues; i++) {
- rx_ring = &adapter->rx_ring[i];
- j = rx_ring->reg_idx;
- rscctrl = IXGBE_READ_REG(hw, IXGBE_RSCCTL(j));
- rscctrl |= IXGBE_RSCCTL_RSCEN;
- /*
- * we must limit the number of descriptors so that the
- * total size of max desc * buf_len is not greater
- * than 65535
- */
- if (rx_ring->flags & IXGBE_RING_RX_PS_ENABLED) {
-#if (MAX_SKB_FRAGS > 16)
- rscctrl |= IXGBE_RSCCTL_MAXDESC_16;
-#elif (MAX_SKB_FRAGS > 8)
- rscctrl |= IXGBE_RSCCTL_MAXDESC_8;
-#elif (MAX_SKB_FRAGS > 4)
- rscctrl |= IXGBE_RSCCTL_MAXDESC_4;
-#else
- rscctrl |= IXGBE_RSCCTL_MAXDESC_1;
-#endif
- } else {
- if (rx_buf_len < IXGBE_RXBUFFER_4096)
- rscctrl |= IXGBE_RSCCTL_MAXDESC_16;
- else if (rx_buf_len < IXGBE_RXBUFFER_8192)
- rscctrl |= IXGBE_RSCCTL_MAXDESC_8;
- else
- rscctrl |= IXGBE_RSCCTL_MAXDESC_4;
- }
- IXGBE_WRITE_REG(hw, IXGBE_RSCCTL(j), rscctrl);
- }
+ for (i = 0; i < adapter->num_rx_queues; i++)
+ ixgbe_configure_rscctl(adapter, i, rx_buf_len);
+
/* Disable RSC for ACK packets */
IXGBE_WRITE_REG(hw, IXGBE_RSCDBU,
(IXGBE_RSCDBU_RSCACKDIS | IXGBE_READ_REG(hw, IXGBE_RSCDBU)));
@@ -2926,6 +2942,8 @@ void ixgbe_down(struct ixgbe_adapter *adapter)
ixgbe_napi_disable_all(adapter);
+ clear_bit(__IXGBE_SFP_MODULE_NOT_FOUND, &adapter->state);
+ del_timer_sync(&adapter->sfp_timer);
del_timer_sync(&adapter->watchdog_timer);
cancel_work_sync(&adapter->watchdog_task);
@@ -2989,7 +3007,7 @@ static int ixgbe_poll(struct napi_struct *napi, int budget)
/* If budget not fully consumed, exit the polling mode */
if (work_done < budget) {
napi_complete(napi);
- if (adapter->itr_setting & 1)
+ if (adapter->rx_itr_setting & 1)
ixgbe_set_itr(adapter);
if (!test_bit(__IXGBE_DOWN, &adapter->state))
ixgbe_irq_enable_queues(adapter, IXGBE_EIMS_RTX_QUEUE);
@@ -3599,7 +3617,10 @@ static int ixgbe_alloc_q_vectors(struct ixgbe_adapter *adapter)
if (!q_vector)
goto err_out;
q_vector->adapter = adapter;
- q_vector->eitr = adapter->eitr_param;
+ if (q_vector->txr_count && !q_vector->rxr_count)
+ q_vector->eitr = adapter->tx_eitr_param;
+ else
+ q_vector->eitr = adapter->rx_eitr_param;
q_vector->v_idx = q_idx;
netif_napi_add(adapter->netdev, &q_vector->napi, (*poll), 64);
adapter->q_vector[q_idx] = q_vector;
@@ -3868,8 +3889,10 @@ static int __devinit ixgbe_sw_init(struct ixgbe_adapter *adapter)
hw->fc.disable_fc_autoneg = false;
/* enable itr by default in dynamic mode */
- adapter->itr_setting = 1;
- adapter->eitr_param = 20000;
+ adapter->rx_itr_setting = 1;
+ adapter->rx_eitr_param = 20000;
+ adapter->tx_itr_setting = 1;
+ adapter->tx_eitr_param = 10000;
/* set defaults for eitr in MegaBytes */
adapter->eitr_low = 10;
diff --git a/drivers/net/netxen/netxen_nic_main.c b/drivers/net/netxen/netxen_nic_main.c
index f7bdde111df..b5aa974827e 100644
--- a/drivers/net/netxen/netxen_nic_main.c
+++ b/drivers/net/netxen/netxen_nic_main.c
@@ -1469,6 +1469,7 @@ netxen_nic_resume(struct pci_dev *pdev)
}
netxen_schedule_work(adapter, netxen_fw_poll_work, FW_POLL_DELAY);
+ return 0;
err_out_detach:
netxen_nic_detach(adapter);
@@ -1903,12 +1904,13 @@ static void netxen_tx_timeout_task(struct work_struct *work)
netif_wake_queue(adapter->netdev);
- goto done;
+ clear_bit(__NX_RESETTING, &adapter->state);
} else {
+ clear_bit(__NX_RESETTING, &adapter->state);
if (!netxen_nic_reset_context(adapter)) {
adapter->netdev->trans_start = jiffies;
- goto done;
+ return;
}
/* context reset failed, fall through for fw reset */
@@ -1916,8 +1918,6 @@ static void netxen_tx_timeout_task(struct work_struct *work)
request_reset:
adapter->need_fw_reset = 1;
-done:
- clear_bit(__NX_RESETTING, &adapter->state);
}
struct net_device_stats *netxen_nic_get_stats(struct net_device *netdev)
diff --git a/drivers/net/pcmcia/pcnet_cs.c b/drivers/net/pcmcia/pcnet_cs.c
index 97db1c73234..474876c879c 100644
--- a/drivers/net/pcmcia/pcnet_cs.c
+++ b/drivers/net/pcmcia/pcnet_cs.c
@@ -340,12 +340,11 @@ static hw_info_t *get_hwinfo(struct pcmcia_device *link)
base = &virt[hw_info[i].offset & (req.Size-1)];
if ((readb(base+0) == hw_info[i].a0) &&
(readb(base+2) == hw_info[i].a1) &&
- (readb(base+4) == hw_info[i].a2))
- break;
- }
- if (i < NR_INFO) {
- for (j = 0; j < 6; j++)
- dev->dev_addr[j] = readb(base + (j<<1));
+ (readb(base+4) == hw_info[i].a2)) {
+ for (j = 0; j < 6; j++)
+ dev->dev_addr[j] = readb(base + (j<<1));
+ break;
+ }
}
iounmap(virt);
diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c
index 15140f9f2e9..ef1165718dd 100644
--- a/drivers/net/sky2.c
+++ b/drivers/net/sky2.c
@@ -1497,7 +1497,6 @@ static int sky2_up(struct net_device *dev)
if (ramsize > 0) {
u32 rxspace;
- hw->flags |= SKY2_HW_RAM_BUFFER;
pr_debug(PFX "%s: ram buffer %dK\n", dev->name, ramsize);
if (ramsize < 16)
rxspace = ramsize / 2;
@@ -2926,6 +2925,9 @@ static int __devinit sky2_init(struct sky2_hw *hw)
++hw->ports;
}
+ if (sky2_read8(hw, B2_E_0))
+ hw->flags |= SKY2_HW_RAM_BUFFER;
+
return 0;
}
diff --git a/drivers/net/sunvnet.c b/drivers/net/sunvnet.c
index f1e5e4542c2..bc74db0d12f 100644
--- a/drivers/net/sunvnet.c
+++ b/drivers/net/sunvnet.c
@@ -1016,7 +1016,6 @@ static const struct net_device_ops vnet_ops = {
.ndo_open = vnet_open,
.ndo_stop = vnet_close,
.ndo_set_multicast_list = vnet_set_rx_mode,
- .ndo_change_mtu = eth_change_mtu,
.ndo_set_mac_address = vnet_set_mac_addr,
.ndo_validate_addr = eth_validate_addr,
.ndo_tx_timeout = vnet_tx_timeout,
diff --git a/drivers/net/tun.c b/drivers/net/tun.c
index d3ee1994b02..4fdfa2ae541 100644
--- a/drivers/net/tun.c
+++ b/drivers/net/tun.c
@@ -946,8 +946,6 @@ static int tun_set_iff(struct net *net, struct file *file, struct ifreq *ifr)
char *name;
unsigned long flags = 0;
- err = -EINVAL;
-
if (!capable(CAP_NET_ADMIN))
return -EPERM;
err = security_tun_dev_create();
@@ -964,7 +962,7 @@ static int tun_set_iff(struct net *net, struct file *file, struct ifreq *ifr)
flags |= TUN_TAP_DEV;
name = "tap%d";
} else
- goto failed;
+ return -EINVAL;
if (*ifr->ifr_name)
name = ifr->ifr_name;
diff --git a/drivers/net/usb/kaweth.c b/drivers/net/usb/kaweth.c
index e2a39b9be96..e391ef969c2 100644
--- a/drivers/net/usb/kaweth.c
+++ b/drivers/net/usb/kaweth.c
@@ -263,6 +263,7 @@ static int kaweth_control(struct kaweth_device *kaweth,
int timeout)
{
struct usb_ctrlrequest *dr;
+ int retval;
dbg("kaweth_control()");
@@ -278,18 +279,21 @@ static int kaweth_control(struct kaweth_device *kaweth,
return -ENOMEM;
}
- dr->bRequestType= requesttype;
+ dr->bRequestType = requesttype;
dr->bRequest = request;
dr->wValue = cpu_to_le16(value);
dr->wIndex = cpu_to_le16(index);
dr->wLength = cpu_to_le16(size);
- return kaweth_internal_control_msg(kaweth->dev,
- pipe,
- dr,
- data,
- size,
- timeout);
+ retval = kaweth_internal_control_msg(kaweth->dev,
+ pipe,
+ dr,
+ data,
+ size,
+ timeout);
+
+ kfree(dr);
+ return retval;
}
/****************************************************************
diff --git a/drivers/net/usb/smsc95xx.c b/drivers/net/usb/smsc95xx.c
index 938fb3530a7..c6c922247d0 100644
--- a/drivers/net/usb/smsc95xx.c
+++ b/drivers/net/usb/smsc95xx.c
@@ -1227,7 +1227,7 @@ static const struct driver_info smsc95xx_info = {
.rx_fixup = smsc95xx_rx_fixup,
.tx_fixup = smsc95xx_tx_fixup,
.status = smsc95xx_status,
- .flags = FLAG_ETHER,
+ .flags = FLAG_ETHER | FLAG_SEND_ZLP,
};
static const struct usb_device_id products[] = {
@@ -1237,10 +1237,75 @@ static const struct usb_device_id products[] = {
.driver_info = (unsigned long) &smsc95xx_info,
},
{
+ /* SMSC9505 USB Ethernet Device */
+ USB_DEVICE(0x0424, 0x9505),
+ .driver_info = (unsigned long) &smsc95xx_info,
+ },
+ {
+ /* SMSC9500A USB Ethernet Device */
+ USB_DEVICE(0x0424, 0x9E00),
+ .driver_info = (unsigned long) &smsc95xx_info,
+ },
+ {
+ /* SMSC9505A USB Ethernet Device */
+ USB_DEVICE(0x0424, 0x9E01),
+ .driver_info = (unsigned long) &smsc95xx_info,
+ },
+ {
/* SMSC9512/9514 USB Hub & Ethernet Device */
USB_DEVICE(0x0424, 0xec00),
.driver_info = (unsigned long) &smsc95xx_info,
},
+ {
+ /* SMSC9500 USB Ethernet Device (SAL10) */
+ USB_DEVICE(0x0424, 0x9900),
+ .driver_info = (unsigned long) &smsc95xx_info,
+ },
+ {
+ /* SMSC9505 USB Ethernet Device (SAL10) */
+ USB_DEVICE(0x0424, 0x9901),
+ .driver_info = (unsigned long) &smsc95xx_info,
+ },
+ {
+ /* SMSC9500A USB Ethernet Device (SAL10) */
+ USB_DEVICE(0x0424, 0x9902),
+ .driver_info = (unsigned long) &smsc95xx_info,
+ },
+ {
+ /* SMSC9505A USB Ethernet Device (SAL10) */
+ USB_DEVICE(0x0424, 0x9903),
+ .driver_info = (unsigned long) &smsc95xx_info,
+ },
+ {
+ /* SMSC9512/9514 USB Hub & Ethernet Device (SAL10) */
+ USB_DEVICE(0x0424, 0x9904),
+ .driver_info = (unsigned long) &smsc95xx_info,
+ },
+ {
+ /* SMSC9500A USB Ethernet Device (HAL) */
+ USB_DEVICE(0x0424, 0x9905),
+ .driver_info = (unsigned long) &smsc95xx_info,
+ },
+ {
+ /* SMSC9505A USB Ethernet Device (HAL) */
+ USB_DEVICE(0x0424, 0x9906),
+ .driver_info = (unsigned long) &smsc95xx_info,
+ },
+ {
+ /* SMSC9500 USB Ethernet Device (Alternate ID) */
+ USB_DEVICE(0x0424, 0x9907),
+ .driver_info = (unsigned long) &smsc95xx_info,
+ },
+ {
+ /* SMSC9500A USB Ethernet Device (Alternate ID) */
+ USB_DEVICE(0x0424, 0x9908),
+ .driver_info = (unsigned long) &smsc95xx_info,
+ },
+ {
+ /* SMSC9512/9514 USB Hub & Ethernet Device (Alternate ID) */
+ USB_DEVICE(0x0424, 0x9909),
+ .driver_info = (unsigned long) &smsc95xx_info,
+ },
{ }, /* END */
};
MODULE_DEVICE_TABLE(usb, products);
diff --git a/drivers/net/usb/usbnet.c b/drivers/net/usb/usbnet.c
index 24b36f79515..ca5ca5ae061 100644
--- a/drivers/net/usb/usbnet.c
+++ b/drivers/net/usb/usbnet.c
@@ -1049,7 +1049,7 @@ netdev_tx_t usbnet_start_xmit (struct sk_buff *skb,
* NOTE: strictly conforming cdc-ether devices should expect
* the ZLP here, but ignore the one-byte packet.
*/
- if ((length % dev->maxpacket) == 0) {
+ if (!(info->flags & FLAG_SEND_ZLP) && (length % dev->maxpacket) == 0) {
urb->transfer_buffer_length++;
if (skb_tailroom(skb)) {
skb->data[skb->len] = 0;
diff --git a/drivers/net/wireless/ath/ar9170/usb.c b/drivers/net/wireless/ath/ar9170/usb.c
index e0138ac8bf5..e974e5829e1 100644
--- a/drivers/net/wireless/ath/ar9170/usb.c
+++ b/drivers/net/wireless/ath/ar9170/usb.c
@@ -64,6 +64,8 @@ static struct usb_device_id ar9170_usb_ids[] = {
{ USB_DEVICE(0x0cf3, 0x9170) },
/* Atheros TG121N */
{ USB_DEVICE(0x0cf3, 0x1001) },
+ /* TP-Link TL-WN821N v2 */
+ { USB_DEVICE(0x0cf3, 0x1002) },
/* Cace Airpcap NX */
{ USB_DEVICE(0xcace, 0x0300) },
/* D-Link DWA 160A */
diff --git a/drivers/net/wireless/ath/ath9k/calib.c b/drivers/net/wireless/ath/ath9k/calib.c
index 3234995e888..0ad6d0b76e9 100644
--- a/drivers/net/wireless/ath/ath9k/calib.c
+++ b/drivers/net/wireless/ath/ath9k/calib.c
@@ -609,14 +609,24 @@ void ath9k_hw_loadnf(struct ath_hw *ah, struct ath9k_channel *chan)
AR_PHY_CH1_EXT_CCA,
AR_PHY_CH2_EXT_CCA
};
- u8 chainmask;
+ u8 chainmask, rx_chain_status;
+ rx_chain_status = REG_READ(ah, AR_PHY_RX_CHAINMASK);
if (AR_SREV_9285(ah))
chainmask = 0x9;
- else if (AR_SREV_9280(ah) || AR_SREV_9287(ah))
- chainmask = 0x1B;
- else
- chainmask = 0x3F;
+ else if (AR_SREV_9280(ah) || AR_SREV_9287(ah)) {
+ if ((rx_chain_status & 0x2) || (rx_chain_status & 0x4))
+ chainmask = 0x1B;
+ else
+ chainmask = 0x09;
+ } else {
+ if (rx_chain_status & 0x4)
+ chainmask = 0x3F;
+ else if (rx_chain_status & 0x2)
+ chainmask = 0x1B;
+ else
+ chainmask = 0x09;
+ }
h = ah->nfCalHist;
@@ -697,6 +707,8 @@ void ath9k_init_nfcal_hist_buffer(struct ath_hw *ah)
noise_floor = AR_PHY_CCA_MAX_AR9280_GOOD_VALUE;
else if (AR_SREV_9285(ah))
noise_floor = AR_PHY_CCA_MAX_AR9285_GOOD_VALUE;
+ else if (AR_SREV_9287(ah))
+ noise_floor = AR_PHY_CCA_MAX_AR9287_GOOD_VALUE;
else
noise_floor = AR_PHY_CCA_MAX_AR5416_GOOD_VALUE;
@@ -924,6 +936,7 @@ static inline void ath9k_hw_9285_pa_cal(struct ath_hw *ah, bool is_reset)
regVal |= (1 << (19 + i));
REG_WRITE(ah, 0x7834, regVal);
udelay(1);
+ regVal = REG_READ(ah, 0x7834);
regVal &= (~(0x1 << (19 + i)));
reg_field = MS(REG_READ(ah, 0x7840), AR9285_AN_RXTXBB1_SPARE9);
regVal |= (reg_field << (19 + i));
diff --git a/drivers/net/wireless/ath/ath9k/calib.h b/drivers/net/wireless/ath/ath9k/calib.h
index 019bcbba40e..9028ab193e4 100644
--- a/drivers/net/wireless/ath/ath9k/calib.h
+++ b/drivers/net/wireless/ath/ath9k/calib.h
@@ -28,6 +28,7 @@ extern const struct ath9k_percal_data adc_init_dc_cal;
#define AR_PHY_CCA_MAX_AR5416_GOOD_VALUE -85
#define AR_PHY_CCA_MAX_AR9280_GOOD_VALUE -112
#define AR_PHY_CCA_MAX_AR9285_GOOD_VALUE -118
+#define AR_PHY_CCA_MAX_AR9287_GOOD_VALUE -118
#define AR_PHY_CCA_MAX_HIGH_VALUE -62
#define AR_PHY_CCA_MIN_BAD_VALUE -140
#define AR_PHY_CCA_FILTERWINDOW_LENGTH_INIT 3
diff --git a/drivers/net/wireless/ath/ath9k/eeprom_def.c b/drivers/net/wireless/ath/ath9k/eeprom_def.c
index ae7fb5dcb26..4071fc91da0 100644
--- a/drivers/net/wireless/ath/ath9k/eeprom_def.c
+++ b/drivers/net/wireless/ath/ath9k/eeprom_def.c
@@ -509,6 +509,8 @@ static void ath9k_hw_def_set_board_values(struct ath_hw *ah,
REG_RMW_FIELD(ah, AR_AN_TOP1, AR_AN_TOP1_DACIPMODE,
eep->baseEepHeader.dacLpMode);
+ udelay(100);
+
REG_RMW_FIELD(ah, AR_PHY_FRAME_CTL, AR_PHY_FRAME_CTL_TX_CLIP,
pModal->miscBits >> 2);
@@ -902,7 +904,7 @@ static void ath9k_hw_set_def_power_per_rate_table(struct ath_hw *ah,
u16 powerLimit)
{
#define REDUCE_SCALED_POWER_BY_TWO_CHAIN 6 /* 10*log10(2)*2 */
-#define REDUCE_SCALED_POWER_BY_THREE_CHAIN 10 /* 10*log10(3)*2 */
+#define REDUCE_SCALED_POWER_BY_THREE_CHAIN 9 /* 10*log10(3)*2 */
struct ath_regulatory *regulatory = ath9k_hw_regulatory(ah);
struct ar5416_eeprom_def *pEepData = &ah->eeprom.def;
diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index b6c6cca0781..ca7694caf36 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -842,7 +842,7 @@ static void ath9k_hw_init_mode_regs(struct ath_hw *ah)
static void ath9k_hw_init_mode_gain_regs(struct ath_hw *ah)
{
- if (AR_SREV_9287_11(ah))
+ if (AR_SREV_9287_11_OR_LATER(ah))
INIT_INI_ARRAY(&ah->iniModesRxGain,
ar9287Modes_rx_gain_9287_1_1,
ARRAY_SIZE(ar9287Modes_rx_gain_9287_1_1), 6);
@@ -853,7 +853,7 @@ static void ath9k_hw_init_mode_gain_regs(struct ath_hw *ah)
else if (AR_SREV_9280_20(ah))
ath9k_hw_init_rxgain_ini(ah);
- if (AR_SREV_9287_11(ah)) {
+ if (AR_SREV_9287_11_OR_LATER(ah)) {
INIT_INI_ARRAY(&ah->iniModesTxGain,
ar9287Modes_tx_gain_9287_1_1,
ARRAY_SIZE(ar9287Modes_tx_gain_9287_1_1), 6);
@@ -965,7 +965,7 @@ int ath9k_hw_init(struct ath_hw *ah)
ath9k_hw_init_mode_regs(ah);
if (ah->is_pciexpress)
- ath9k_hw_configpcipowersave(ah, 0);
+ ath9k_hw_configpcipowersave(ah, 0, 0);
else
ath9k_hw_disablepcie(ah);
@@ -1273,6 +1273,15 @@ static void ath9k_hw_override_ini(struct ath_hw *ah,
*/
REG_SET_BIT(ah, AR_DIAG_SW, (AR_DIAG_RX_DIS | AR_DIAG_RX_ABORT));
+ if (AR_SREV_9280_10_OR_LATER(ah)) {
+ val = REG_READ(ah, AR_PCU_MISC_MODE2) &
+ (~AR_PCU_MISC_MODE2_HWWAR1);
+
+ if (AR_SREV_9287_10_OR_LATER(ah))
+ val = val & (~AR_PCU_MISC_MODE2_HWWAR2);
+
+ REG_WRITE(ah, AR_PCU_MISC_MODE2, val);
+ }
if (!AR_SREV_5416_20_OR_LATER(ah) ||
AR_SREV_9280_10_OR_LATER(ah))
@@ -1784,7 +1793,7 @@ static void ath9k_hw_set_regs(struct ath_hw *ah, struct ath9k_channel *chan,
static bool ath9k_hw_chip_reset(struct ath_hw *ah,
struct ath9k_channel *chan)
{
- if (OLC_FOR_AR9280_20_LATER) {
+ if (AR_SREV_9280(ah) && ah->eep_ops->get_eeprom(ah, EEP_OL_PWRCTRL)) {
if (!ath9k_hw_set_reset_reg(ah, ATH9K_RESET_POWER_ON))
return false;
} else if (!ath9k_hw_set_reset_reg(ah, ATH9K_RESET_WARM))
@@ -2338,6 +2347,7 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
struct ath9k_channel *curchan = ah->curchan;
u32 saveDefAntenna;
u32 macStaId1;
+ u64 tsf = 0;
int i, rx_chainmask, r;
ah->extprotspacing = sc->ht_extprotspacing;
@@ -2347,7 +2357,7 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
if (!ath9k_hw_setpower(ah, ATH9K_PM_AWAKE))
return -EIO;
- if (curchan)
+ if (curchan && !ah->chip_fullsleep)
ath9k_hw_getnf(ah, curchan);
if (bChannelChange &&
@@ -2356,8 +2366,8 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
(chan->channel != ah->curchan->channel) &&
((chan->channelFlags & CHANNEL_ALL) ==
(ah->curchan->channelFlags & CHANNEL_ALL)) &&
- (!AR_SREV_9280(ah) || (!IS_CHAN_A_5MHZ_SPACED(chan) &&
- !IS_CHAN_A_5MHZ_SPACED(ah->curchan)))) {
+ !(AR_SREV_9280(ah) || IS_CHAN_A_5MHZ_SPACED(chan) ||
+ IS_CHAN_A_5MHZ_SPACED(ah->curchan))) {
if (ath9k_hw_channel_change(ah, chan, sc->tx_chan_width)) {
ath9k_hw_loadnf(ah, ah->curchan);
@@ -2372,6 +2382,10 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
macStaId1 = REG_READ(ah, AR_STA_ID1) & AR_STA_ID1_BASE_RATE_11B;
+ /* For chips on which RTC reset is done, save TSF before it gets cleared */
+ if (AR_SREV_9280(ah) && ah->eep_ops->get_eeprom(ah, EEP_OL_PWRCTRL))
+ tsf = ath9k_hw_gettsf64(ah);
+
saveLedState = REG_READ(ah, AR_CFG_LED) &
(AR_CFG_LED_ASSOC_CTL | AR_CFG_LED_MODE_SEL |
AR_CFG_LED_BLINK_THRESH_SEL | AR_CFG_LED_BLINK_SLOW);
@@ -2398,6 +2412,10 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
udelay(50);
}
+ /* Restore TSF */
+ if (tsf && AR_SREV_9280(ah) && ah->eep_ops->get_eeprom(ah, EEP_OL_PWRCTRL))
+ ath9k_hw_settsf64(ah, tsf);
+
if (AR_SREV_9280_10_OR_LATER(ah))
REG_SET_BIT(ah, AR_GPIO_INPUT_EN_VAL, AR_GPIO_JTAG_DISABLE);
@@ -3005,9 +3023,10 @@ void ath9k_ps_restore(struct ath_softc *sc)
* Programming the SerDes must go through the same 288 bit serial shift
* register as the other analog registers. Hence the 9 writes.
*/
-void ath9k_hw_configpcipowersave(struct ath_hw *ah, int restore)
+void ath9k_hw_configpcipowersave(struct ath_hw *ah, int restore, int power_off)
{
u8 i;
+ u32 val;
if (ah->is_pciexpress != true)
return;
@@ -3017,84 +3036,113 @@ void ath9k_hw_configpcipowersave(struct ath_hw *ah, int restore)
return;
/* Nothing to do on restore for 11N */
- if (restore)
- return;
+ if (!restore) {
+ if (AR_SREV_9280_20_OR_LATER(ah)) {
+ /*
+ * AR9280 2.0 or later chips use SerDes values from the
+ * initvals.h initialized depending on chipset during
+ * ath9k_hw_init()
+ */
+ for (i = 0; i < ah->iniPcieSerdes.ia_rows; i++) {
+ REG_WRITE(ah, INI_RA(&ah->iniPcieSerdes, i, 0),
+ INI_RA(&ah->iniPcieSerdes, i, 1));
+ }
+ } else if (AR_SREV_9280(ah) &&
+ (ah->hw_version.macRev == AR_SREV_REVISION_9280_10)) {
+ REG_WRITE(ah, AR_PCIE_SERDES, 0x9248fd00);
+ REG_WRITE(ah, AR_PCIE_SERDES, 0x24924924);
+
+ /* RX shut off when elecidle is asserted */
+ REG_WRITE(ah, AR_PCIE_SERDES, 0xa8000019);
+ REG_WRITE(ah, AR_PCIE_SERDES, 0x13160820);
+ REG_WRITE(ah, AR_PCIE_SERDES, 0xe5980560);
+
+ /* Shut off CLKREQ active in L1 */
+ if (ah->config.pcie_clock_req)
+ REG_WRITE(ah, AR_PCIE_SERDES, 0x401deffc);
+ else
+ REG_WRITE(ah, AR_PCIE_SERDES, 0x401deffd);
- if (AR_SREV_9280_20_OR_LATER(ah)) {
- /*
- * AR9280 2.0 or later chips use SerDes values from the
- * initvals.h initialized depending on chipset during
- * ath9k_hw_init()
- */
- for (i = 0; i < ah->iniPcieSerdes.ia_rows; i++) {
- REG_WRITE(ah, INI_RA(&ah->iniPcieSerdes, i, 0),
- INI_RA(&ah->iniPcieSerdes, i, 1));
- }
- } else if (AR_SREV_9280(ah) &&
- (ah->hw_version.macRev == AR_SREV_REVISION_9280_10)) {
- REG_WRITE(ah, AR_PCIE_SERDES, 0x9248fd00);
- REG_WRITE(ah, AR_PCIE_SERDES, 0x24924924);
+ REG_WRITE(ah, AR_PCIE_SERDES, 0x1aaabe40);
+ REG_WRITE(ah, AR_PCIE_SERDES, 0xbe105554);
+ REG_WRITE(ah, AR_PCIE_SERDES, 0x00043007);
- /* RX shut off when elecidle is asserted */
- REG_WRITE(ah, AR_PCIE_SERDES, 0xa8000019);
- REG_WRITE(ah, AR_PCIE_SERDES, 0x13160820);
- REG_WRITE(ah, AR_PCIE_SERDES, 0xe5980560);
+ /* Load the new settings */
+ REG_WRITE(ah, AR_PCIE_SERDES2, 0x00000000);
- /* Shut off CLKREQ active in L1 */
- if (ah->config.pcie_clock_req)
- REG_WRITE(ah, AR_PCIE_SERDES, 0x401deffc);
- else
- REG_WRITE(ah, AR_PCIE_SERDES, 0x401deffd);
-
- REG_WRITE(ah, AR_PCIE_SERDES, 0x1aaabe40);
- REG_WRITE(ah, AR_PCIE_SERDES, 0xbe105554);
- REG_WRITE(ah, AR_PCIE_SERDES, 0x00043007);
+ } else {
+ REG_WRITE(ah, AR_PCIE_SERDES, 0x9248fc00);
+ REG_WRITE(ah, AR_PCIE_SERDES, 0x24924924);
- /* Load the new settings */
- REG_WRITE(ah, AR_PCIE_SERDES2, 0x00000000);
+ /* RX shut off when elecidle is asserted */
+ REG_WRITE(ah, AR_PCIE_SERDES, 0x28000039);
+ REG_WRITE(ah, AR_PCIE_SERDES, 0x53160824);
+ REG_WRITE(ah, AR_PCIE_SERDES, 0xe5980579);
- } else {
- REG_WRITE(ah, AR_PCIE_SERDES, 0x9248fc00);
- REG_WRITE(ah, AR_PCIE_SERDES, 0x24924924);
+ /*
+ * Ignore ah->ah_config.pcie_clock_req setting for
+ * pre-AR9280 11n
+ */
+ REG_WRITE(ah, AR_PCIE_SERDES, 0x001defff);
- /* RX shut off when elecidle is asserted */
- REG_WRITE(ah, AR_PCIE_SERDES, 0x28000039);
- REG_WRITE(ah, AR_PCIE_SERDES, 0x53160824);
- REG_WRITE(ah, AR_PCIE_SERDES, 0xe5980579);
+ REG_WRITE(ah, AR_PCIE_SERDES, 0x1aaabe40);
+ REG_WRITE(ah, AR_PCIE_SERDES, 0xbe105554);
+ REG_WRITE(ah, AR_PCIE_SERDES, 0x000e3007);
- /*
- * Ignore ah->ah_config.pcie_clock_req setting for
- * pre-AR9280 11n
- */
- REG_WRITE(ah, AR_PCIE_SERDES, 0x001defff);
+ /* Load the new settings */
+ REG_WRITE(ah, AR_PCIE_SERDES2, 0x00000000);
+ }
- REG_WRITE(ah, AR_PCIE_SERDES, 0x1aaabe40);
- REG_WRITE(ah, AR_PCIE_SERDES, 0xbe105554);
- REG_WRITE(ah, AR_PCIE_SERDES, 0x000e3007);
+ udelay(1000);
- /* Load the new settings */
- REG_WRITE(ah, AR_PCIE_SERDES2, 0x00000000);
- }
+ /* set bit 19 to allow forcing of pcie core into L1 state */
+ REG_SET_BIT(ah, AR_PCIE_PM_CTRL, AR_PCIE_PM_CTRL_ENA);
- udelay(1000);
+ /* Several PCIe massages to ensure proper behaviour */
+ if (ah->config.pcie_waen) {
+ val = ah->config.pcie_waen;
+ if (!power_off)
+ val &= (~AR_WA_D3_L1_DISABLE);
+ } else {
+ if (AR_SREV_9285(ah) || AR_SREV_9271(ah) ||
+ AR_SREV_9287(ah)) {
+ val = AR9285_WA_DEFAULT;
+ if (!power_off)
+ val &= (~AR_WA_D3_L1_DISABLE);
+ } else if (AR_SREV_9280(ah)) {
+ /*
+ * On AR9280 chips bit 22 of 0x4004 needs to be
+ * set otherwise card may disappear.
+ */
+ val = AR9280_WA_DEFAULT;
+ if (!power_off)
+ val &= (~AR_WA_D3_L1_DISABLE);
+ } else
+ val = AR_WA_DEFAULT;
+ }
- /* set bit 19 to allow forcing of pcie core into L1 state */
- REG_SET_BIT(ah, AR_PCIE_PM_CTRL, AR_PCIE_PM_CTRL_ENA);
+ REG_WRITE(ah, AR_WA, val);
+ }
- /* Several PCIe massages to ensure proper behaviour */
- if (ah->config.pcie_waen) {
- REG_WRITE(ah, AR_WA, ah->config.pcie_waen);
- } else {
- if (AR_SREV_9285(ah) || AR_SREV_9271(ah) || AR_SREV_9287(ah))
- REG_WRITE(ah, AR_WA, AR9285_WA_DEFAULT);
+ if (power_off) {
/*
- * On AR9280 chips bit 22 of 0x4004 needs to be set to
- * otherwise card may disappear.
+ * Set PCIe workaround bits
+ * bit 14 in WA register (disable L1) should only
+ * be set when device enters D3 and be cleared
+ * when device comes back to D0.
*/
- else if (AR_SREV_9280(ah))
- REG_WRITE(ah, AR_WA, AR9280_WA_DEFAULT);
- else
- REG_WRITE(ah, AR_WA, AR_WA_DEFAULT);
+ if (ah->config.pcie_waen) {
+ if (ah->config.pcie_waen & AR_WA_D3_L1_DISABLE)
+ REG_SET_BIT(ah, AR_WA, AR_WA_D3_L1_DISABLE);
+ } else {
+ if (((AR_SREV_9285(ah) || AR_SREV_9271(ah) ||
+ AR_SREV_9287(ah)) &&
+ (AR9285_WA_DEFAULT & AR_WA_D3_L1_DISABLE)) ||
+ (AR_SREV_9280(ah) &&
+ (AR9280_WA_DEFAULT & AR_WA_D3_L1_DISABLE))) {
+ REG_SET_BIT(ah, AR_WA, AR_WA_D3_L1_DISABLE);
+ }
+ }
}
}
@@ -3652,15 +3700,7 @@ void ath9k_hw_fill_cap_info(struct ath_hw *ah)
}
#endif
- if ((ah->hw_version.macVersion == AR_SREV_VERSION_5416_PCI) ||
- (ah->hw_version.macVersion == AR_SREV_VERSION_5416_PCIE) ||
- (ah->hw_version.macVersion == AR_SREV_VERSION_9160) ||
- (ah->hw_version.macVersion == AR_SREV_VERSION_9100) ||
- (ah->hw_version.macVersion == AR_SREV_VERSION_9280) ||
- (ah->hw_version.macVersion == AR_SREV_VERSION_9285))
- pCap->hw_caps &= ~ATH9K_HW_CAP_AUTOSLEEP;
- else
- pCap->hw_caps |= ATH9K_HW_CAP_AUTOSLEEP;
+ pCap->hw_caps &= ~ATH9K_HW_CAP_AUTOSLEEP;
if (AR_SREV_9280(ah) || AR_SREV_9285(ah))
pCap->hw_caps &= ~ATH9K_HW_CAP_4KB_SPLITTRANS;
diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h
index 9106a0b537d..b8923457182 100644
--- a/drivers/net/wireless/ath/ath9k/hw.h
+++ b/drivers/net/wireless/ath/ath9k/hw.h
@@ -106,7 +106,7 @@
#define AH_TSF_WRITE_TIMEOUT 100 /* (us) */
#define AH_TIME_QUANTUM 10
#define AR_KEYTABLE_SIZE 128
-#define POWER_UP_TIME 200000
+#define POWER_UP_TIME 10000
#define SPUR_RSSI_THRESH 40
#define CAB_TIMEOUT_VAL 10
@@ -650,7 +650,7 @@ void ath9k_hw_set_sta_beacon_timers(struct ath_hw *ah,
const struct ath9k_beacon_state *bs);
bool ath9k_hw_setpower(struct ath_hw *ah,
enum ath9k_power_mode mode);
-void ath9k_hw_configpcipowersave(struct ath_hw *ah, int restore);
+void ath9k_hw_configpcipowersave(struct ath_hw *ah, int restore, int power_off);
/* Interrupt Handling */
bool ath9k_hw_intrpend(struct ath_hw *ah);
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index 3dc7b5a13e6..52bed89063d 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -1131,7 +1131,7 @@ void ath_radio_enable(struct ath_softc *sc)
int r;
ath9k_ps_wakeup(sc);
- ath9k_hw_configpcipowersave(ah, 0);
+ ath9k_hw_configpcipowersave(ah, 0, 0);
if (!ah->curchan)
ah->curchan = ath_get_curchannel(sc, sc->hw);
@@ -1202,7 +1202,7 @@ void ath_radio_disable(struct ath_softc *sc)
spin_unlock_bh(&sc->sc_resetlock);
ath9k_hw_phy_disable(ah);
- ath9k_hw_configpcipowersave(ah, 1);
+ ath9k_hw_configpcipowersave(ah, 1, 1);
ath9k_ps_restore(sc);
ath9k_hw_setpower(ah, ATH9K_PM_FULL_SLEEP);
}
@@ -1226,11 +1226,6 @@ static void ath9k_rfkill_poll_state(struct ieee80211_hw *hw)
bool blocked = !!ath_is_rfkill_set(sc);
wiphy_rfkill_set_hw_state(hw->wiphy, blocked);
-
- if (blocked)
- ath_radio_disable(sc);
- else
- ath_radio_enable(sc);
}
static void ath_start_rfkill_poll(struct ath_softc *sc)
@@ -1260,6 +1255,7 @@ void ath_detach(struct ath_softc *sc)
DPRINTF(sc, ATH_DBG_CONFIG, "Detach ATH hw\n");
ath_deinit_leds(sc);
+ wiphy_rfkill_stop_polling(sc->hw->wiphy);
for (i = 0; i < sc->num_sec_wiphy; i++) {
struct ath_wiphy *aphy = sc->sec_wiphy[i];
@@ -1942,7 +1938,7 @@ static int ath9k_start(struct ieee80211_hw *hw)
init_channel = ath_get_curchannel(sc, hw);
/* Reset SERDES registers */
- ath9k_hw_configpcipowersave(sc->sc_ah, 0);
+ ath9k_hw_configpcipowersave(sc->sc_ah, 0, 0);
/*
* The basic interface to setting the hardware in a good
@@ -2166,11 +2162,9 @@ static void ath9k_stop(struct ieee80211_hw *hw)
} else
sc->rx.rxlink = NULL;
- wiphy_rfkill_stop_polling(sc->hw->wiphy);
-
/* disable HAL and put h/w to sleep */
ath9k_hw_disable(sc->sc_ah);
- ath9k_hw_configpcipowersave(sc->sc_ah, 1);
+ ath9k_hw_configpcipowersave(sc->sc_ah, 1, 1);
ath9k_hw_setpower(sc->sc_ah, ATH9K_PM_FULL_SLEEP);
sc->sc_flags |= SC_OP_INVALID;
diff --git a/drivers/net/wireless/ath/ath9k/reg.h b/drivers/net/wireless/ath/ath9k/reg.h
index e5c29eb86e8..d83b77f821e 100644
--- a/drivers/net/wireless/ath/ath9k/reg.h
+++ b/drivers/net/wireless/ath/ath9k/reg.h
@@ -676,8 +676,9 @@
#define AR_RC_HOSTIF 0x00000100
#define AR_WA 0x4004
+#define AR_WA_D3_L1_DISABLE (1 << 14)
#define AR9285_WA_DEFAULT 0x004a05cb
-#define AR9280_WA_DEFAULT 0x0040073f
+#define AR9280_WA_DEFAULT 0x0040073b
#define AR_WA_DEFAULT 0x0000073f
diff --git a/drivers/net/wireless/b43/Kconfig b/drivers/net/wireless/b43/Kconfig
index 83e38134acc..54ea61c15d8 100644
--- a/drivers/net/wireless/b43/Kconfig
+++ b/drivers/net/wireless/b43/Kconfig
@@ -61,11 +61,28 @@ config B43_PCMCIA
If unsure, say N.
+config B43_SDIO
+ bool "Broadcom 43xx SDIO device support (EXPERIMENTAL)"
+ depends on B43 && SSB_SDIOHOST_POSSIBLE && EXPERIMENTAL
+ select SSB_SDIOHOST
+ ---help---
+ Broadcom 43xx device support for Soft-MAC SDIO devices.
+
+ With this config option you can drive Soft-MAC b43 cards with a
+ Secure Digital I/O interface.
+ This includes the WLAN daughter card found on the Nintendo Wii
+ video game console.
+ Note that this does not support Broadcom 43xx Full-MAC devices.
+
+ It's safe to select Y here, even if you don't have a B43 SDIO device.
+
+ If unsure, say N.
+
# Data transfers to the device via PIO
-# This is only needed on PCMCIA devices. All others can do DMA properly.
+# This is only needed on PCMCIA and SDIO devices. All others can do DMA properly.
config B43_PIO
bool
- depends on B43 && (B43_PCMCIA || B43_FORCE_PIO)
+ depends on B43 && (B43_SDIO || B43_PCMCIA || B43_FORCE_PIO)
select SSB_BLOCKIO
default y
diff --git a/drivers/net/wireless/b43/Makefile b/drivers/net/wireless/b43/Makefile
index da379f4b0c3..84772a2542d 100644
--- a/drivers/net/wireless/b43/Makefile
+++ b/drivers/net/wireless/b43/Makefile
@@ -16,6 +16,7 @@ b43-$(CONFIG_B43_PIO) += pio.o
b43-y += rfkill.o
b43-$(CONFIG_B43_LEDS) += leds.o
b43-$(CONFIG_B43_PCMCIA) += pcmcia.o
+b43-$(CONFIG_B43_SDIO) += sdio.o
b43-$(CONFIG_B43_DEBUG) += debugfs.o
obj-$(CONFIG_B43) += b43.o
diff --git a/drivers/net/wireless/b43/b43.h b/drivers/net/wireless/b43/b43.h
index 09cfe68537b..fa1549a03c7 100644
--- a/drivers/net/wireless/b43/b43.h
+++ b/drivers/net/wireless/b43/b43.h
@@ -629,13 +629,6 @@ struct b43_wl {
* from the mac80211 subsystem. */
u16 mac80211_initially_registered_queues;
- /* R/W lock for data transmission.
- * Transmissions on 2+ queues can run concurrently, but somebody else
- * might sync with TX by write_lock_irqsave()'ing. */
- rwlock_t tx_lock;
- /* Lock for LEDs access. */
- spinlock_t leds_lock;
-
/* We can only have one operating interface (802.11 core)
* at a time. General information about this interface follows.
*/
@@ -686,6 +679,9 @@ struct b43_wl {
struct work_struct tx_work;
/* Queue of packets to be transmitted. */
struct sk_buff_head tx_queue;
+
+ /* The device LEDs. */
+ struct b43_leds leds;
};
/* The type of the firmware file. */
@@ -768,13 +764,10 @@ struct b43_wldev {
/* The device initialization status.
* Use b43_status() to query. */
atomic_t __init_status;
- /* Saved init status for handling suspend. */
- int suspend_init_status;
bool bad_frames_preempt; /* Use "Bad Frames Preemption" (default off) */
bool dfq_valid; /* Directed frame queue valid (IBSS PS mode, ATIM) */
bool radio_hw_enable; /* saved state of radio hardware enabled state */
- bool suspend_in_progress; /* TRUE, if we are in a suspend/resume cycle */
bool qos_enabled; /* TRUE, if QoS is used. */
bool hwcrypto_enabled; /* TRUE, if HW crypto acceleration is enabled. */
@@ -794,12 +787,6 @@ struct b43_wldev {
/* Various statistics about the physical device. */
struct b43_stats stats;
- /* The device LEDs. */
- struct b43_led led_tx;
- struct b43_led led_rx;
- struct b43_led led_assoc;
- struct b43_led led_radio;
-
/* Reason code of the last interrupt. */
u32 irq_reason;
u32 dma_reason[6];
@@ -830,6 +817,10 @@ struct b43_wldev {
/* Debugging stuff follows. */
#ifdef CONFIG_B43_DEBUG
struct b43_dfsentry *dfsentry;
+ unsigned int irq_count;
+ unsigned int irq_bit_count[32];
+ unsigned int tx_count;
+ unsigned int rx_count;
#endif
};
diff --git a/drivers/net/wireless/b43/debugfs.c b/drivers/net/wireless/b43/debugfs.c
index 8f64943e3f6..80b19a44a40 100644
--- a/drivers/net/wireless/b43/debugfs.c
+++ b/drivers/net/wireless/b43/debugfs.c
@@ -689,6 +689,7 @@ static void b43_add_dynamic_debug(struct b43_wldev *dev)
add_dyn_dbg("debug_lo", B43_DBG_LO, 0);
add_dyn_dbg("debug_firmware", B43_DBG_FIRMWARE, 0);
add_dyn_dbg("debug_keys", B43_DBG_KEYS, 0);
+ add_dyn_dbg("debug_verbose_stats", B43_DBG_VERBOSESTATS, 0);
#undef add_dyn_dbg
}
diff --git a/drivers/net/wireless/b43/debugfs.h b/drivers/net/wireless/b43/debugfs.h
index e47b4b488b0..822aad8842f 100644
--- a/drivers/net/wireless/b43/debugfs.h
+++ b/drivers/net/wireless/b43/debugfs.h
@@ -13,6 +13,7 @@ enum b43_dyndbg { /* Dynamic debugging features */
B43_DBG_LO,
B43_DBG_FIRMWARE,
B43_DBG_KEYS,
+ B43_DBG_VERBOSESTATS,
__B43_NR_DYNDBG,
};
diff --git a/drivers/net/wireless/b43/dma.c b/drivers/net/wireless/b43/dma.c
index a467ee260a1..8701034569f 100644
--- a/drivers/net/wireless/b43/dma.c
+++ b/drivers/net/wireless/b43/dma.c
@@ -1428,9 +1428,9 @@ void b43_dma_handle_txstatus(struct b43_wldev *dev,
ring->nr_failed_tx_packets++;
ring->nr_total_packet_tries += status->frame_count;
#endif /* DEBUG */
- ieee80211_tx_status_irqsafe(dev->wl->hw, meta->skb);
+ ieee80211_tx_status(dev->wl->hw, meta->skb);
- /* skb is freed by ieee80211_tx_status_irqsafe() */
+ /* skb is freed by ieee80211_tx_status() */
meta->skb = NULL;
} else {
/* No need to call free_descriptor_buffer here, as
diff --git a/drivers/net/wireless/b43/leds.c b/drivers/net/wireless/b43/leds.c
index c8b317094c3..fbe3d4f62ce 100644
--- a/drivers/net/wireless/b43/leds.c
+++ b/drivers/net/wireless/b43/leds.c
@@ -34,57 +34,88 @@
static void b43_led_turn_on(struct b43_wldev *dev, u8 led_index,
bool activelow)
{
- struct b43_wl *wl = dev->wl;
- unsigned long flags;
u16 ctl;
- spin_lock_irqsave(&wl->leds_lock, flags);
ctl = b43_read16(dev, B43_MMIO_GPIO_CONTROL);
if (activelow)
ctl &= ~(1 << led_index);
else
ctl |= (1 << led_index);
b43_write16(dev, B43_MMIO_GPIO_CONTROL, ctl);
- spin_unlock_irqrestore(&wl->leds_lock, flags);
}
static void b43_led_turn_off(struct b43_wldev *dev, u8 led_index,
bool activelow)
{
- struct b43_wl *wl = dev->wl;
- unsigned long flags;
u16 ctl;
- spin_lock_irqsave(&wl->leds_lock, flags);
ctl = b43_read16(dev, B43_MMIO_GPIO_CONTROL);
if (activelow)
ctl |= (1 << led_index);
else
ctl &= ~(1 << led_index);
b43_write16(dev, B43_MMIO_GPIO_CONTROL, ctl);
- spin_unlock_irqrestore(&wl->leds_lock, flags);
}
-/* Callback from the LED subsystem. */
-static void b43_led_brightness_set(struct led_classdev *led_dev,
- enum led_brightness brightness)
+static void b43_led_update(struct b43_wldev *dev,
+ struct b43_led *led)
{
- struct b43_led *led = container_of(led_dev, struct b43_led, led_dev);
- struct b43_wldev *dev = led->dev;
bool radio_enabled;
+ bool turn_on;
- if (unlikely(b43_status(dev) < B43_STAT_INITIALIZED))
+ if (!led->wl)
return;
- /* Checking the radio-enabled status here is slightly racy,
- * but we want to avoid the locking overhead and we don't care
- * whether the LED has the wrong state for a second. */
radio_enabled = (dev->phy.radio_on && dev->radio_hw_enable);
- if (brightness == LED_OFF || !radio_enabled)
- b43_led_turn_off(dev, led->index, led->activelow);
+ /* The led->state read is racy, but we don't care. In case we raced
+ * with the brightness_set handler, we will be called again soon
+ * to fixup our state. */
+ if (radio_enabled)
+ turn_on = atomic_read(&led->state) != LED_OFF;
else
+ turn_on = 0;
+ if (turn_on == led->hw_state)
+ return;
+ led->hw_state = turn_on;
+
+ if (turn_on)
b43_led_turn_on(dev, led->index, led->activelow);
+ else
+ b43_led_turn_off(dev, led->index, led->activelow);
+}
+
+static void b43_leds_work(struct work_struct *work)
+{
+ struct b43_leds *leds = container_of(work, struct b43_leds, work);
+ struct b43_wl *wl = container_of(leds, struct b43_wl, leds);
+ struct b43_wldev *dev;
+
+ mutex_lock(&wl->mutex);
+ dev = wl->current_dev;
+ if (unlikely(!dev || b43_status(dev) < B43_STAT_STARTED))
+ goto out_unlock;
+
+ b43_led_update(dev, &wl->leds.led_tx);
+ b43_led_update(dev, &wl->leds.led_rx);
+ b43_led_update(dev, &wl->leds.led_radio);
+ b43_led_update(dev, &wl->leds.led_assoc);
+
+out_unlock:
+ mutex_unlock(&wl->mutex);
+}
+
+/* Callback from the LED subsystem. */
+static void b43_led_brightness_set(struct led_classdev *led_dev,
+ enum led_brightness brightness)
+{
+ struct b43_led *led = container_of(led_dev, struct b43_led, led_dev);
+ struct b43_wl *wl = led->wl;
+
+ if (likely(!wl->leds.stop)) {
+ atomic_set(&led->state, brightness);
+ ieee80211_queue_work(wl->hw, &wl->leds.work);
+ }
}
static int b43_register_led(struct b43_wldev *dev, struct b43_led *led,
@@ -93,15 +124,15 @@ static int b43_register_led(struct b43_wldev *dev, struct b43_led *led,
{
int err;
- b43_led_turn_off(dev, led_index, activelow);
- if (led->dev)
+ if (led->wl)
return -EEXIST;
if (!default_trigger)
return -EINVAL;
- led->dev = dev;
+ led->wl = dev->wl;
led->index = led_index;
led->activelow = activelow;
strncpy(led->name, name, sizeof(led->name));
+ atomic_set(&led->state, 0);
led->led_dev.name = led->name;
led->led_dev.default_trigger = default_trigger;
@@ -110,19 +141,19 @@ static int b43_register_led(struct b43_wldev *dev, struct b43_led *led,
err = led_classdev_register(dev->dev->dev, &led->led_dev);
if (err) {
b43warn(dev->wl, "LEDs: Failed to register %s\n", name);
- led->dev = NULL;
+ led->wl = NULL;
return err;
}
+
return 0;
}
static void b43_unregister_led(struct b43_led *led)
{
- if (!led->dev)
+ if (!led->wl)
return;
led_classdev_unregister(&led->led_dev);
- b43_led_turn_off(led->dev, led->index, led->activelow);
- led->dev = NULL;
+ led->wl = NULL;
}
static void b43_map_led(struct b43_wldev *dev,
@@ -137,24 +168,20 @@ static void b43_map_led(struct b43_wldev *dev,
* generic LED triggers. */
switch (behaviour) {
case B43_LED_INACTIVE:
- break;
case B43_LED_OFF:
- b43_led_turn_off(dev, led_index, activelow);
- break;
case B43_LED_ON:
- b43_led_turn_on(dev, led_index, activelow);
break;
case B43_LED_ACTIVITY:
case B43_LED_TRANSFER:
case B43_LED_APTRANSFER:
snprintf(name, sizeof(name),
"b43-%s::tx", wiphy_name(hw->wiphy));
- b43_register_led(dev, &dev->led_tx, name,
+ b43_register_led(dev, &dev->wl->leds.led_tx, name,
ieee80211_get_tx_led_name(hw),
led_index, activelow);
snprintf(name, sizeof(name),
"b43-%s::rx", wiphy_name(hw->wiphy));
- b43_register_led(dev, &dev->led_rx, name,
+ b43_register_led(dev, &dev->wl->leds.led_rx, name,
ieee80211_get_rx_led_name(hw),
led_index, activelow);
break;
@@ -164,18 +191,15 @@ static void b43_map_led(struct b43_wldev *dev,
case B43_LED_MODE_BG:
snprintf(name, sizeof(name),
"b43-%s::radio", wiphy_name(hw->wiphy));
- b43_register_led(dev, &dev->led_radio, name,
+ b43_register_led(dev, &dev->wl->leds.led_radio, name,
ieee80211_get_radio_led_name(hw),
led_index, activelow);
- /* Sync the RF-kill LED state with radio and switch states. */
- if (dev->phy.radio_on && b43_is_hw_radio_enabled(dev))
- b43_led_turn_on(dev, led_index, activelow);
break;
case B43_LED_WEIRD:
case B43_LED_ASSOC:
snprintf(name, sizeof(name),
"b43-%s::assoc", wiphy_name(hw->wiphy));
- b43_register_led(dev, &dev->led_assoc, name,
+ b43_register_led(dev, &dev->wl->leds.led_assoc, name,
ieee80211_get_assoc_led_name(hw),
led_index, activelow);
break;
@@ -186,58 +210,150 @@ static void b43_map_led(struct b43_wldev *dev,
}
}
-void b43_leds_init(struct b43_wldev *dev)
+static void b43_led_get_sprominfo(struct b43_wldev *dev,
+ unsigned int led_index,
+ enum b43_led_behaviour *behaviour,
+ bool *activelow)
{
struct ssb_bus *bus = dev->dev->bus;
u8 sprom[4];
- int i;
- enum b43_led_behaviour behaviour;
- bool activelow;
sprom[0] = bus->sprom.gpio0;
sprom[1] = bus->sprom.gpio1;
sprom[2] = bus->sprom.gpio2;
sprom[3] = bus->sprom.gpio3;
- for (i = 0; i < 4; i++) {
- if (sprom[i] == 0xFF) {
- /* There is no LED information in the SPROM
- * for this LED. Hardcode it here. */
- activelow = 0;
- switch (i) {
- case 0:
- behaviour = B43_LED_ACTIVITY;
- activelow = 1;
- if (bus->boardinfo.vendor == PCI_VENDOR_ID_COMPAQ)
- behaviour = B43_LED_RADIO_ALL;
- break;
- case 1:
- behaviour = B43_LED_RADIO_B;
- if (bus->boardinfo.vendor == PCI_VENDOR_ID_ASUSTEK)
- behaviour = B43_LED_ASSOC;
- break;
- case 2:
- behaviour = B43_LED_RADIO_A;
- break;
- case 3:
- behaviour = B43_LED_OFF;
- break;
- default:
- B43_WARN_ON(1);
- return;
- }
+ if (sprom[led_index] == 0xFF) {
+ /* There is no LED information in the SPROM
+ * for this LED. Hardcode it here. */
+ *activelow = 0;
+ switch (led_index) {
+ case 0:
+ *behaviour = B43_LED_ACTIVITY;
+ *activelow = 1;
+ if (bus->boardinfo.vendor == PCI_VENDOR_ID_COMPAQ)
+ *behaviour = B43_LED_RADIO_ALL;
+ break;
+ case 1:
+ *behaviour = B43_LED_RADIO_B;
+ if (bus->boardinfo.vendor == PCI_VENDOR_ID_ASUSTEK)
+ *behaviour = B43_LED_ASSOC;
+ break;
+ case 2:
+ *behaviour = B43_LED_RADIO_A;
+ break;
+ case 3:
+ *behaviour = B43_LED_OFF;
+ break;
+ default:
+ B43_WARN_ON(1);
+ return;
+ }
+ } else {
+ *behaviour = sprom[led_index] & B43_LED_BEHAVIOUR;
+ *activelow = !!(sprom[led_index] & B43_LED_ACTIVELOW);
+ }
+}
+
+void b43_leds_init(struct b43_wldev *dev)
+{
+ struct b43_led *led;
+ unsigned int i;
+ enum b43_led_behaviour behaviour;
+ bool activelow;
+
+ /* Sync the RF-kill LED state (if we have one) with radio and switch states. */
+ led = &dev->wl->leds.led_radio;
+ if (led->wl) {
+ if (dev->phy.radio_on && b43_is_hw_radio_enabled(dev)) {
+ b43_led_turn_on(dev, led->index, led->activelow);
+ led->hw_state = 1;
+ atomic_set(&led->state, 1);
} else {
- behaviour = sprom[i] & B43_LED_BEHAVIOUR;
- activelow = !!(sprom[i] & B43_LED_ACTIVELOW);
+ b43_led_turn_off(dev, led->index, led->activelow);
+ led->hw_state = 0;
+ atomic_set(&led->state, 0);
}
- b43_map_led(dev, i, behaviour, activelow);
}
+
+ /* Initialize TX/RX/ASSOC leds */
+ led = &dev->wl->leds.led_tx;
+ if (led->wl) {
+ b43_led_turn_off(dev, led->index, led->activelow);
+ led->hw_state = 0;
+ atomic_set(&led->state, 0);
+ }
+ led = &dev->wl->leds.led_rx;
+ if (led->wl) {
+ b43_led_turn_off(dev, led->index, led->activelow);
+ led->hw_state = 0;
+ atomic_set(&led->state, 0);
+ }
+ led = &dev->wl->leds.led_assoc;
+ if (led->wl) {
+ b43_led_turn_off(dev, led->index, led->activelow);
+ led->hw_state = 0;
+ atomic_set(&led->state, 0);
+ }
+
+ /* Initialize other LED states. */
+ for (i = 0; i < B43_MAX_NR_LEDS; i++) {
+ b43_led_get_sprominfo(dev, i, &behaviour, &activelow);
+ switch (behaviour) {
+ case B43_LED_OFF:
+ b43_led_turn_off(dev, i, activelow);
+ break;
+ case B43_LED_ON:
+ b43_led_turn_on(dev, i, activelow);
+ break;
+ default:
+ /* Leave others as-is. */
+ break;
+ }
+ }
+
+ dev->wl->leds.stop = 0;
}
void b43_leds_exit(struct b43_wldev *dev)
{
- b43_unregister_led(&dev->led_tx);
- b43_unregister_led(&dev->led_rx);
- b43_unregister_led(&dev->led_assoc);
- b43_unregister_led(&dev->led_radio);
+ struct b43_leds *leds = &dev->wl->leds;
+
+ b43_led_turn_off(dev, leds->led_tx.index, leds->led_tx.activelow);
+ b43_led_turn_off(dev, leds->led_rx.index, leds->led_rx.activelow);
+ b43_led_turn_off(dev, leds->led_assoc.index, leds->led_assoc.activelow);
+ b43_led_turn_off(dev, leds->led_radio.index, leds->led_radio.activelow);
+}
+
+void b43_leds_stop(struct b43_wldev *dev)
+{
+ struct b43_leds *leds = &dev->wl->leds;
+
+ leds->stop = 1;
+ cancel_work_sync(&leds->work);
+}
+
+void b43_leds_register(struct b43_wldev *dev)
+{
+ unsigned int i;
+ enum b43_led_behaviour behaviour;
+ bool activelow;
+
+ INIT_WORK(&dev->wl->leds.work, b43_leds_work);
+
+ /* Register the LEDs to the LED subsystem. */
+ for (i = 0; i < B43_MAX_NR_LEDS; i++) {
+ b43_led_get_sprominfo(dev, i, &behaviour, &activelow);
+ b43_map_led(dev, i, behaviour, activelow);
+ }
+}
+
+void b43_leds_unregister(struct b43_wldev *dev)
+{
+ struct b43_leds *leds = &dev->wl->leds;
+
+ b43_unregister_led(&leds->led_tx);
+ b43_unregister_led(&leds->led_rx);
+ b43_unregister_led(&leds->led_assoc);
+ b43_unregister_led(&leds->led_radio);
}
diff --git a/drivers/net/wireless/b43/leds.h b/drivers/net/wireless/b43/leds.h
index b8b1dd52124..9592e4c5a5f 100644
--- a/drivers/net/wireless/b43/leds.h
+++ b/drivers/net/wireless/b43/leds.h
@@ -7,12 +7,13 @@ struct b43_wldev;
#include <linux/types.h>
#include <linux/leds.h>
+#include <linux/workqueue.h>
#define B43_LED_MAX_NAME_LEN 31
struct b43_led {
- struct b43_wldev *dev;
+ struct b43_wl *wl;
/* The LED class device */
struct led_classdev led_dev;
/* The index number of the LED. */
@@ -22,8 +23,24 @@ struct b43_led {
bool activelow;
/* The unique name string for this LED device. */
char name[B43_LED_MAX_NAME_LEN + 1];
+ /* The current status of the LED. This is updated locklessly. */
+ atomic_t state;
+ /* The active state in hardware. */
+ bool hw_state;
};
+struct b43_leds {
+ struct b43_led led_tx;
+ struct b43_led led_rx;
+ struct b43_led led_radio;
+ struct b43_led led_assoc;
+
+ bool stop;
+ struct work_struct work;
+};
+
+#define B43_MAX_NR_LEDS 4
+
#define B43_LED_BEHAVIOUR 0x7F
#define B43_LED_ACTIVELOW 0x80
/* LED behaviour values */
@@ -42,23 +59,35 @@ enum b43_led_behaviour {
B43_LED_INACTIVE,
};
+void b43_leds_register(struct b43_wldev *dev);
+void b43_leds_unregister(struct b43_wldev *dev);
void b43_leds_init(struct b43_wldev *dev);
void b43_leds_exit(struct b43_wldev *dev);
+void b43_leds_stop(struct b43_wldev *dev);
#else /* CONFIG_B43_LEDS */
/* LED support disabled */
-struct b43_led {
+struct b43_leds {
/* empty */
};
+static inline void b43_leds_register(struct b43_wldev *dev)
+{
+}
+static inline void b43_leds_unregister(struct b43_wldev *dev)
+{
+}
static inline void b43_leds_init(struct b43_wldev *dev)
{
}
static inline void b43_leds_exit(struct b43_wldev *dev)
{
}
+static inline void b43_leds_stop(struct b43_wldev *dev)
+{
+}
#endif /* CONFIG_B43_LEDS */
#endif /* B43_LEDS_H_ */
diff --git a/drivers/net/wireless/b43/main.c b/drivers/net/wireless/b43/main.c
index e789792a36b..9b907a36bb8 100644
--- a/drivers/net/wireless/b43/main.c
+++ b/drivers/net/wireless/b43/main.c
@@ -8,6 +8,9 @@
Copyright (c) 2005 Danny van Dyk <kugelfang@gentoo.org>
Copyright (c) 2005 Andreas Jaggi <andreas.jaggi@waterwave.ch>
+ SDIO support
+ Copyright (c) 2009 Albert Herranz <albert_herranz@yahoo.es>
+
Some parts of the code in this file are derived from the ipw2200
driver Copyright(c) 2003 - 2004 Intel Corporation.
@@ -53,6 +56,8 @@
#include "xmit.h"
#include "lo.h"
#include "pcmcia.h"
+#include "sdio.h"
+#include <linux/mmc/sdio_func.h>
MODULE_DESCRIPTION("Broadcom B43 wireless driver");
MODULE_AUTHOR("Martin Langer");
@@ -1587,7 +1592,7 @@ static void b43_beacon_update_trigger_work(struct work_struct *work)
mutex_lock(&wl->mutex);
dev = wl->current_dev;
if (likely(dev && (b43_status(dev) >= B43_STAT_INITIALIZED))) {
- if (0 /*FIXME dev->dev->bus->bustype == SSB_BUSTYPE_SDIO*/) {
+ if (dev->dev->bus->bustype == SSB_BUSTYPE_SDIO) {
/* wl->mutex is enough. */
b43_do_beacon_update_trigger_work(dev);
mmiowb();
@@ -1825,6 +1830,16 @@ static void b43_do_interrupt_thread(struct b43_wldev *dev)
/* Re-enable interrupts on the device by restoring the current interrupt mask. */
b43_write32(dev, B43_MMIO_GEN_IRQ_MASK, dev->irq_mask);
+
+#if B43_DEBUG
+ if (b43_debug(dev, B43_DBG_VERBOSESTATS)) {
+ dev->irq_count++;
+ for (i = 0; i < ARRAY_SIZE(dev->irq_bit_count); i++) {
+ if (reason & (1 << i))
+ dev->irq_bit_count[i]++;
+ }
+ }
+#endif
}
/* Interrupt thread handler. Handles device interrupts in thread context. */
@@ -1905,6 +1920,21 @@ static irqreturn_t b43_interrupt_handler(int irq, void *dev_id)
return ret;
}
+/* SDIO interrupt handler. This runs in process context. */
+static void b43_sdio_interrupt_handler(struct b43_wldev *dev)
+{
+ struct b43_wl *wl = dev->wl;
+ irqreturn_t ret;
+
+ mutex_lock(&wl->mutex);
+
+ ret = b43_do_interrupt(dev);
+ if (ret == IRQ_WAKE_THREAD)
+ b43_do_interrupt_thread(dev);
+
+ mutex_unlock(&wl->mutex);
+}
+
void b43_do_release_fw(struct b43_firmware_file *fw)
{
release_firmware(fw->data);
@@ -2645,6 +2675,20 @@ static void b43_adjust_opmode(struct b43_wldev *dev)
cfp_pretbtt = 50;
}
b43_write16(dev, 0x612, cfp_pretbtt);
+
+ /* FIXME: We don't currently implement the PMQ mechanism,
+ * so always disable it. If we want to implement PMQ,
+ * we need to enable it here (clear DISCPMQ) in AP mode.
+ */
+ if (0 /* ctl & B43_MACCTL_AP */) {
+ b43_write32(dev, B43_MMIO_MACCTL,
+ b43_read32(dev, B43_MMIO_MACCTL)
+ & ~B43_MACCTL_DISCPMQ);
+ } else {
+ b43_write32(dev, B43_MMIO_MACCTL,
+ b43_read32(dev, B43_MMIO_MACCTL)
+ | B43_MACCTL_DISCPMQ);
+ }
}
static void b43_rate_memory_write(struct b43_wldev *dev, u16 rate, int is_ofdm)
@@ -2873,6 +2917,27 @@ static void b43_periodic_every15sec(struct b43_wldev *dev)
atomic_set(&phy->txerr_cnt, B43_PHY_TX_BADNESS_LIMIT);
wmb();
+
+#if B43_DEBUG
+ if (b43_debug(dev, B43_DBG_VERBOSESTATS)) {
+ unsigned int i;
+
+ b43dbg(dev->wl, "Stats: %7u IRQs/sec, %7u TX/sec, %7u RX/sec\n",
+ dev->irq_count / 15,
+ dev->tx_count / 15,
+ dev->rx_count / 15);
+ dev->irq_count = 0;
+ dev->tx_count = 0;
+ dev->rx_count = 0;
+ for (i = 0; i < ARRAY_SIZE(dev->irq_bit_count); i++) {
+ if (dev->irq_bit_count[i]) {
+ b43dbg(dev->wl, "Stats: %7u IRQ-%02u/sec (0x%08X)\n",
+ dev->irq_bit_count[i] / 15, i, (1 << i));
+ dev->irq_bit_count[i] = 0;
+ }
+ }
+ }
+#endif
}
static void do_periodic_work(struct b43_wldev *dev)
@@ -3002,14 +3067,18 @@ static void b43_security_init(struct b43_wldev *dev)
static int b43_rng_read(struct hwrng *rng, u32 *data)
{
struct b43_wl *wl = (struct b43_wl *)rng->priv;
+ struct b43_wldev *dev;
+ int count = -ENODEV;
- /* FIXME: We need to take wl->mutex here to make sure the device
- * is not going away from under our ass. However it could deadlock
- * with hwrng internal locking. */
-
- *data = b43_read16(wl->current_dev, B43_MMIO_RNG);
+ mutex_lock(&wl->mutex);
+ dev = wl->current_dev;
+ if (likely(dev && b43_status(dev) >= B43_STAT_INITIALIZED)) {
+ *data = b43_read16(dev, B43_MMIO_RNG);
+ count = sizeof(u16);
+ }
+ mutex_unlock(&wl->mutex);
- return (sizeof(u16));
+ return count;
}
#endif /* CONFIG_B43_HWRNG */
@@ -3068,6 +3137,9 @@ static void b43_tx_work(struct work_struct *work)
dev_kfree_skb(skb); /* Drop it */
}
+#if B43_DEBUG
+ dev->tx_count++;
+#endif
mutex_unlock(&wl->mutex);
}
@@ -3820,7 +3892,7 @@ redo:
/* Disable interrupts on the device. */
b43_set_status(dev, B43_STAT_INITIALIZED);
- if (0 /*FIXME dev->dev->bus->bustype == SSB_BUSTYPE_SDIO*/) {
+ if (dev->dev->bus->bustype == SSB_BUSTYPE_SDIO) {
/* wl->mutex is locked. That is enough. */
b43_write32(dev, B43_MMIO_GEN_IRQ_MASK, 0);
b43_read32(dev, B43_MMIO_GEN_IRQ_MASK); /* Flush */
@@ -3830,10 +3902,15 @@ redo:
b43_read32(dev, B43_MMIO_GEN_IRQ_MASK); /* Flush */
spin_unlock_irq(&wl->hardirq_lock);
}
- /* Synchronize the interrupt handlers. Unlock to avoid deadlocks. */
+ /* Synchronize and free the interrupt handlers. Unlock to avoid deadlocks. */
orig_dev = dev;
mutex_unlock(&wl->mutex);
- synchronize_irq(dev->dev->irq);
+ if (dev->dev->bus->bustype == SSB_BUSTYPE_SDIO) {
+ b43_sdio_free_irq(dev);
+ } else {
+ synchronize_irq(dev->dev->irq);
+ free_irq(dev->dev->irq, dev);
+ }
mutex_lock(&wl->mutex);
dev = wl->current_dev;
if (!dev)
@@ -3850,7 +3927,7 @@ redo:
dev_kfree_skb(skb_dequeue(&wl->tx_queue));
b43_mac_suspend(dev);
- free_irq(dev->dev->irq, dev);
+ b43_leds_exit(dev);
b43dbg(wl, "Wireless interface stopped\n");
return dev;
@@ -3864,12 +3941,20 @@ static int b43_wireless_core_start(struct b43_wldev *dev)
B43_WARN_ON(b43_status(dev) != B43_STAT_INITIALIZED);
drain_txstatus_queue(dev);
- err = request_threaded_irq(dev->dev->irq, b43_interrupt_handler,
- b43_interrupt_thread_handler,
- IRQF_SHARED, KBUILD_MODNAME, dev);
- if (err) {
- b43err(dev->wl, "Cannot request IRQ-%d\n", dev->dev->irq);
- goto out;
+ if (dev->dev->bus->bustype == SSB_BUSTYPE_SDIO) {
+ err = b43_sdio_request_irq(dev, b43_sdio_interrupt_handler);
+ if (err) {
+ b43err(dev->wl, "Cannot request SDIO IRQ\n");
+ goto out;
+ }
+ } else {
+ err = request_threaded_irq(dev->dev->irq, b43_interrupt_handler,
+ b43_interrupt_thread_handler,
+ IRQF_SHARED, KBUILD_MODNAME, dev);
+ if (err) {
+ b43err(dev->wl, "Cannot request IRQ-%d\n", dev->dev->irq);
+ goto out;
+ }
}
/* We are ready to run. */
@@ -3882,8 +3967,10 @@ static int b43_wireless_core_start(struct b43_wldev *dev)
/* Start maintainance work */
b43_periodic_tasks_setup(dev);
+ b43_leds_init(dev);
+
b43dbg(dev->wl, "Wireless interface started\n");
- out:
+out:
return err;
}
@@ -4160,10 +4247,6 @@ static void b43_wireless_core_exit(struct b43_wldev *dev)
macctl |= B43_MACCTL_PSM_JMP0;
b43_write32(dev, B43_MMIO_MACCTL, macctl);
- if (!dev->suspend_in_progress) {
- b43_leds_exit(dev);
- b43_rng_exit(dev->wl);
- }
b43_dma_free(dev);
b43_pio_free(dev);
b43_chip_exit(dev);
@@ -4180,7 +4263,6 @@ static void b43_wireless_core_exit(struct b43_wldev *dev)
/* Initialize a wireless core */
static int b43_wireless_core_init(struct b43_wldev *dev)
{
- struct b43_wl *wl = dev->wl;
struct ssb_bus *bus = dev->dev->bus;
struct ssb_sprom *sprom = &bus->sprom;
struct b43_phy *phy = &dev->phy;
@@ -4264,7 +4346,9 @@ static int b43_wireless_core_init(struct b43_wldev *dev)
/* Maximum Contention Window */
b43_shm_write16(dev, B43_SHM_SCRATCH, B43_SHM_SC_MAXCONT, 0x3FF);
- if ((dev->dev->bus->bustype == SSB_BUSTYPE_PCMCIA) || B43_FORCE_PIO) {
+ if ((dev->dev->bus->bustype == SSB_BUSTYPE_PCMCIA) ||
+ (dev->dev->bus->bustype == SSB_BUSTYPE_SDIO) ||
+ B43_FORCE_PIO) {
dev->__using_pio_transfers = 1;
err = b43_pio_init(dev);
} else {
@@ -4280,15 +4364,13 @@ static int b43_wireless_core_init(struct b43_wldev *dev)
ssb_bus_powerup(bus, !(sprom->boardflags_lo & B43_BFL_XTAL_NOSLOW));
b43_upload_card_macaddress(dev);
b43_security_init(dev);
- if (!dev->suspend_in_progress)
- b43_rng_init(wl);
+
+ ieee80211_wake_queues(dev->wl->hw);
ieee80211_wake_queues(dev->wl->hw);
b43_set_status(dev, B43_STAT_INITIALIZED);
- if (!dev->suspend_in_progress)
- b43_leds_init(dev);
out:
return err;
@@ -4837,7 +4919,6 @@ static int b43_wireless_init(struct ssb_device *dev)
/* Initialize struct b43_wl */
wl->hw = hw;
- spin_lock_init(&wl->leds_lock);
mutex_init(&wl->mutex);
spin_lock_init(&wl->hardirq_lock);
INIT_LIST_HEAD(&wl->devlist);
@@ -4878,6 +4959,8 @@ static int b43_probe(struct ssb_device *dev, const struct ssb_device_id *id)
err = ieee80211_register_hw(wl->hw);
if (err)
goto err_one_core_detach;
+ b43_leds_register(wl->current_dev);
+ b43_rng_init(wl);
}
out:
@@ -4906,12 +4989,15 @@ static void b43_remove(struct ssb_device *dev)
* might have modified it. Restoring is important, so the networking
* stack can properly free resources. */
wl->hw->queues = wl->mac80211_initially_registered_queues;
+ b43_leds_stop(wldev);
ieee80211_unregister_hw(wl->hw);
}
b43_one_core_detach(dev);
if (list_empty(&wl->devlist)) {
+ b43_rng_exit(wl);
+ b43_leds_unregister(wldev);
/* Last core on the chip unregistered.
* We can destroy common struct b43_wl.
*/
@@ -4929,80 +5015,17 @@ void b43_controller_restart(struct b43_wldev *dev, const char *reason)
ieee80211_queue_work(dev->wl->hw, &dev->restart_work);
}
-#ifdef CONFIG_PM
-
-static int b43_suspend(struct ssb_device *dev, pm_message_t state)
-{
- struct b43_wldev *wldev = ssb_get_drvdata(dev);
- struct b43_wl *wl = wldev->wl;
-
- b43dbg(wl, "Suspending...\n");
-
- mutex_lock(&wl->mutex);
- wldev->suspend_in_progress = true;
- wldev->suspend_init_status = b43_status(wldev);
- if (wldev->suspend_init_status >= B43_STAT_STARTED)
- wldev = b43_wireless_core_stop(wldev);
- if (wldev && wldev->suspend_init_status >= B43_STAT_INITIALIZED)
- b43_wireless_core_exit(wldev);
- mutex_unlock(&wl->mutex);
-
- b43dbg(wl, "Device suspended.\n");
-
- return 0;
-}
-
-static int b43_resume(struct ssb_device *dev)
-{
- struct b43_wldev *wldev = ssb_get_drvdata(dev);
- struct b43_wl *wl = wldev->wl;
- int err = 0;
-
- b43dbg(wl, "Resuming...\n");
-
- mutex_lock(&wl->mutex);
- if (wldev->suspend_init_status >= B43_STAT_INITIALIZED) {
- err = b43_wireless_core_init(wldev);
- if (err) {
- b43err(wl, "Resume failed at core init\n");
- goto out;
- }
- }
- if (wldev->suspend_init_status >= B43_STAT_STARTED) {
- err = b43_wireless_core_start(wldev);
- if (err) {
- b43_leds_exit(wldev);
- b43_rng_exit(wldev->wl);
- b43_wireless_core_exit(wldev);
- b43err(wl, "Resume failed at core start\n");
- goto out;
- }
- }
- b43dbg(wl, "Device resumed.\n");
- out:
- wldev->suspend_in_progress = false;
- mutex_unlock(&wl->mutex);
- return err;
-}
-
-#else /* CONFIG_PM */
-# define b43_suspend NULL
-# define b43_resume NULL
-#endif /* CONFIG_PM */
-
static struct ssb_driver b43_ssb_driver = {
.name = KBUILD_MODNAME,
.id_table = b43_ssb_tbl,
.probe = b43_probe,
.remove = b43_remove,
- .suspend = b43_suspend,
- .resume = b43_resume,
};
static void b43_print_driverinfo(void)
{
const char *feat_pci = "", *feat_pcmcia = "", *feat_nphy = "",
- *feat_leds = "";
+ *feat_leds = "", *feat_sdio = "";
#ifdef CONFIG_B43_PCI_AUTOSELECT
feat_pci = "P";
@@ -5016,11 +5039,14 @@ static void b43_print_driverinfo(void)
#ifdef CONFIG_B43_LEDS
feat_leds = "L";
#endif
+#ifdef CONFIG_B43_SDIO
+ feat_sdio = "S";
+#endif
printk(KERN_INFO "Broadcom 43xx driver loaded "
- "[ Features: %s%s%s%s, Firmware-ID: "
+ "[ Features: %s%s%s%s%s, Firmware-ID: "
B43_SUPPORTED_FIRMWARE_ID " ]\n",
feat_pci, feat_pcmcia, feat_nphy,
- feat_leds);
+ feat_leds, feat_sdio);
}
static int __init b43_init(void)
@@ -5031,13 +5057,18 @@ static int __init b43_init(void)
err = b43_pcmcia_init();
if (err)
goto err_dfs_exit;
- err = ssb_driver_register(&b43_ssb_driver);
+ err = b43_sdio_init();
if (err)
goto err_pcmcia_exit;
+ err = ssb_driver_register(&b43_ssb_driver);
+ if (err)
+ goto err_sdio_exit;
b43_print_driverinfo();
return err;
+err_sdio_exit:
+ b43_sdio_exit();
err_pcmcia_exit:
b43_pcmcia_exit();
err_dfs_exit:
@@ -5048,6 +5079,7 @@ err_dfs_exit:
static void __exit b43_exit(void)
{
ssb_driver_unregister(&b43_ssb_driver);
+ b43_sdio_exit();
b43_pcmcia_exit();
b43_debugfs_exit();
}
diff --git a/drivers/net/wireless/b43/phy_lp.c b/drivers/net/wireless/b43/phy_lp.c
index 3e02d969f68..1e318d815a5 100644
--- a/drivers/net/wireless/b43/phy_lp.c
+++ b/drivers/net/wireless/b43/phy_lp.c
@@ -2228,6 +2228,16 @@ static enum b43_txpwr_result b43_lpphy_op_recalc_txpower(struct b43_wldev *dev,
return B43_TXPWR_RES_DONE;
}
+void b43_lpphy_op_switch_analog(struct b43_wldev *dev, bool on)
+{
+ if (on) {
+ b43_phy_mask(dev, B43_LPPHY_AFE_CTL_OVR, 0xfff8);
+ } else {
+ b43_phy_set(dev, B43_LPPHY_AFE_CTL_OVRVAL, 0x0007);
+ b43_phy_set(dev, B43_LPPHY_AFE_CTL_OVR, 0x0007);
+ }
+}
+
const struct b43_phy_operations b43_phyops_lp = {
.allocate = b43_lpphy_op_allocate,
.free = b43_lpphy_op_free,
@@ -2239,7 +2249,7 @@ const struct b43_phy_operations b43_phyops_lp = {
.radio_read = b43_lpphy_op_radio_read,
.radio_write = b43_lpphy_op_radio_write,
.software_rfkill = b43_lpphy_op_software_rfkill,
- .switch_analog = b43_phyop_switch_analog_generic,
+ .switch_analog = b43_lpphy_op_switch_analog,
.switch_channel = b43_lpphy_op_switch_channel,
.get_default_chan = b43_lpphy_op_get_default_chan,
.set_rx_antenna = b43_lpphy_op_set_rx_antenna,
diff --git a/drivers/net/wireless/b43/pio.c b/drivers/net/wireless/b43/pio.c
index 3498b68385e..e96091b3149 100644
--- a/drivers/net/wireless/b43/pio.c
+++ b/drivers/net/wireless/b43/pio.c
@@ -574,7 +574,7 @@ void b43_pio_handle_txstatus(struct b43_wldev *dev,
q->buffer_used -= total_len;
q->free_packet_slots += 1;
- ieee80211_tx_status_irqsafe(dev->wl->hw, pack->skb);
+ ieee80211_tx_status(dev->wl->hw, pack->skb);
pack->skb = NULL;
list_add(&pack->list, &q->packets_list);
diff --git a/drivers/net/wireless/b43/rfkill.c b/drivers/net/wireless/b43/rfkill.c
index 31e55999893..7a3218c5ba7 100644
--- a/drivers/net/wireless/b43/rfkill.c
+++ b/drivers/net/wireless/b43/rfkill.c
@@ -28,7 +28,7 @@
/* Returns TRUE, if the radio is enabled in hardware. */
bool b43_is_hw_radio_enabled(struct b43_wldev *dev)
{
- if (dev->phy.rev >= 3) {
+ if (dev->phy.rev >= 3 || dev->phy.type == B43_PHYTYPE_LP) {
if (!(b43_read32(dev, B43_MMIO_RADIO_HWENABLED_HI)
& B43_MMIO_RADIO_HWENABLED_HI_MASK))
return 1;
diff --git a/drivers/net/wireless/b43/sdio.c b/drivers/net/wireless/b43/sdio.c
new file mode 100644
index 00000000000..0d3ac64147a
--- /dev/null
+++ b/drivers/net/wireless/b43/sdio.c
@@ -0,0 +1,202 @@
+/*
+ * Broadcom B43 wireless driver
+ *
+ * SDIO over Sonics Silicon Backplane bus glue for b43.
+ *
+ * Copyright (C) 2009 Albert Herranz
+ * Copyright (C) 2009 Michael Buesch <mb@bu3sch.de>
+ *
+ * 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.
+ */
+
+#include <linux/kernel.h>
+#include <linux/mmc/card.h>
+#include <linux/mmc/sdio_func.h>
+#include <linux/mmc/sdio_ids.h>
+#include <linux/ssb/ssb.h>
+
+#include "sdio.h"
+#include "b43.h"
+
+
+#define HNBU_CHIPID 0x01 /* vendor & device id */
+
+#define B43_SDIO_BLOCK_SIZE 64 /* rx fifo max size in bytes */
+
+
+static const struct b43_sdio_quirk {
+ u16 vendor;
+ u16 device;
+ unsigned int quirks;
+} b43_sdio_quirks[] = {
+ { 0x14E4, 0x4318, SSB_QUIRK_SDIO_READ_AFTER_WRITE32, },
+ { },
+};
+
+
+static unsigned int b43_sdio_get_quirks(u16 vendor, u16 device)
+{
+ const struct b43_sdio_quirk *q;
+
+ for (q = b43_sdio_quirks; q->quirks; q++) {
+ if (vendor == q->vendor && device == q->device)
+ return q->quirks;
+ }
+
+ return 0;
+}
+
+static void b43_sdio_interrupt_dispatcher(struct sdio_func *func)
+{
+ struct b43_sdio *sdio = sdio_get_drvdata(func);
+ struct b43_wldev *dev = sdio->irq_handler_opaque;
+
+ if (unlikely(b43_status(dev) < B43_STAT_STARTED))
+ return;
+
+ sdio_release_host(func);
+ sdio->irq_handler(dev);
+ sdio_claim_host(func);
+}
+
+int b43_sdio_request_irq(struct b43_wldev *dev,
+ void (*handler)(struct b43_wldev *dev))
+{
+ struct ssb_bus *bus = dev->dev->bus;
+ struct sdio_func *func = bus->host_sdio;
+ struct b43_sdio *sdio = sdio_get_drvdata(func);
+ int err;
+
+ sdio->irq_handler_opaque = dev;
+ sdio->irq_handler = handler;
+ sdio_claim_host(func);
+ err = sdio_claim_irq(func, b43_sdio_interrupt_dispatcher);
+ sdio_release_host(func);
+
+ return err;
+}
+
+void b43_sdio_free_irq(struct b43_wldev *dev)
+{
+ struct ssb_bus *bus = dev->dev->bus;
+ struct sdio_func *func = bus->host_sdio;
+ struct b43_sdio *sdio = sdio_get_drvdata(func);
+
+ sdio_claim_host(func);
+ sdio_release_irq(func);
+ sdio_release_host(func);
+ sdio->irq_handler_opaque = NULL;
+ sdio->irq_handler = NULL;
+}
+
+static int b43_sdio_probe(struct sdio_func *func,
+ const struct sdio_device_id *id)
+{
+ struct b43_sdio *sdio;
+ struct sdio_func_tuple *tuple;
+ u16 vendor = 0, device = 0;
+ int error;
+
+ /* Look for the card chip identifier. */
+ tuple = func->tuples;
+ while (tuple) {
+ switch (tuple->code) {
+ case 0x80:
+ switch (tuple->data[0]) {
+ case HNBU_CHIPID:
+ if (tuple->size != 5)
+ break;
+ vendor = tuple->data[1] | (tuple->data[2]<<8);
+ device = tuple->data[3] | (tuple->data[4]<<8);
+ dev_info(&func->dev, "Chip ID %04x:%04x\n",
+ vendor, device);
+ break;
+ default:
+ break;
+ }
+ break;
+ default:
+ break;
+ }
+ tuple = tuple->next;
+ }
+ if (!vendor || !device) {
+ error = -ENODEV;
+ goto out;
+ }
+
+ sdio_claim_host(func);
+ error = sdio_set_block_size(func, B43_SDIO_BLOCK_SIZE);
+ if (error) {
+ dev_err(&func->dev, "failed to set block size to %u bytes,"
+ " error %d\n", B43_SDIO_BLOCK_SIZE, error);
+ goto err_release_host;
+ }
+ error = sdio_enable_func(func);
+ if (error) {
+ dev_err(&func->dev, "failed to enable func, error %d\n", error);
+ goto err_release_host;
+ }
+ sdio_release_host(func);
+
+ sdio = kzalloc(sizeof(*sdio), GFP_KERNEL);
+ if (!sdio) {
+ error = -ENOMEM;
+ dev_err(&func->dev, "failed to allocate ssb bus\n");
+ goto err_disable_func;
+ }
+ error = ssb_bus_sdiobus_register(&sdio->ssb, func,
+ b43_sdio_get_quirks(vendor, device));
+ if (error) {
+ dev_err(&func->dev, "failed to register ssb sdio bus,"
+ " error %d\n", error);
+ goto err_free_ssb;
+ }
+ sdio_set_drvdata(func, sdio);
+
+ return 0;
+
+err_free_ssb:
+ kfree(sdio);
+err_disable_func:
+ sdio_disable_func(func);
+err_release_host:
+ sdio_release_host(func);
+out:
+ return error;
+}
+
+static void b43_sdio_remove(struct sdio_func *func)
+{
+ struct b43_sdio *sdio = sdio_get_drvdata(func);
+
+ ssb_bus_unregister(&sdio->ssb);
+ sdio_disable_func(func);
+ kfree(sdio);
+ sdio_set_drvdata(func, NULL);
+}
+
+static const struct sdio_device_id b43_sdio_ids[] = {
+ { SDIO_DEVICE(0x02d0, 0x044b) }, /* Nintendo Wii WLAN daughter card */
+ { },
+};
+
+static struct sdio_driver b43_sdio_driver = {
+ .name = "b43-sdio",
+ .id_table = b43_sdio_ids,
+ .probe = b43_sdio_probe,
+ .remove = b43_sdio_remove,
+};
+
+int b43_sdio_init(void)
+{
+ return sdio_register_driver(&b43_sdio_driver);
+}
+
+void b43_sdio_exit(void)
+{
+ sdio_unregister_driver(&b43_sdio_driver);
+}
diff --git a/drivers/net/wireless/b43/sdio.h b/drivers/net/wireless/b43/sdio.h
new file mode 100644
index 00000000000..fb633094403
--- /dev/null
+++ b/drivers/net/wireless/b43/sdio.h
@@ -0,0 +1,45 @@
+#ifndef B43_SDIO_H_
+#define B43_SDIO_H_
+
+#include <linux/ssb/ssb.h>
+
+struct b43_wldev;
+
+
+#ifdef CONFIG_B43_SDIO
+
+struct b43_sdio {
+ struct ssb_bus ssb;
+ void *irq_handler_opaque;
+ void (*irq_handler)(struct b43_wldev *dev);
+};
+
+int b43_sdio_request_irq(struct b43_wldev *dev,
+ void (*handler)(struct b43_wldev *dev));
+void b43_sdio_free_irq(struct b43_wldev *dev);
+
+int b43_sdio_init(void);
+void b43_sdio_exit(void);
+
+
+#else /* CONFIG_B43_SDIO */
+
+
+int b43_sdio_request_irq(struct b43_wldev *dev,
+ void (*handler)(struct b43_wldev *dev))
+{
+ return -ENODEV;
+}
+void b43_sdio_free_irq(struct b43_wldev *dev)
+{
+}
+static inline int b43_sdio_init(void)
+{
+ return 0;
+}
+static inline void b43_sdio_exit(void)
+{
+}
+
+#endif /* CONFIG_B43_SDIO */
+#endif /* B43_SDIO_H_ */
diff --git a/drivers/net/wireless/b43/xmit.c b/drivers/net/wireless/b43/xmit.c
index 14f541248b5..ac9f600995e 100644
--- a/drivers/net/wireless/b43/xmit.c
+++ b/drivers/net/wireless/b43/xmit.c
@@ -690,8 +690,11 @@ void b43_rx(struct b43_wldev *dev, struct sk_buff *skb, const void *_rxhdr)
}
memcpy(IEEE80211_SKB_RXCB(skb), &status, sizeof(status));
- ieee80211_rx_irqsafe(dev->wl->hw, skb);
+ ieee80211_rx(dev->wl->hw, skb);
+#if B43_DEBUG
+ dev->rx_count++;
+#endif
return;
drop:
b43dbg(dev->wl, "RX: Packet dropped\n");
diff --git a/drivers/net/wireless/iwlwifi/iwl-4965.c b/drivers/net/wireless/iwlwifi/iwl-4965.c
index ca61d3796ce..3259b884154 100644
--- a/drivers/net/wireless/iwlwifi/iwl-4965.c
+++ b/drivers/net/wireless/iwlwifi/iwl-4965.c
@@ -2021,6 +2021,12 @@ static int iwl4965_tx_status_reply_tx(struct iwl_priv *priv,
agg->frame_count, txq_id, idx);
hdr = iwl_tx_queue_get_hdr(priv, txq_id, idx);
+ if (!hdr) {
+ IWL_ERR(priv,
+ "BUG_ON idx doesn't point to valid skb"
+ " idx=%d, txq_id=%d\n", idx, txq_id);
+ return -1;
+ }
sc = le16_to_cpu(hdr->seq_ctrl);
if (idx != (SEQ_TO_SN(sc) & 0xff)) {
diff --git a/drivers/net/wireless/iwlwifi/iwl-5000.c b/drivers/net/wireless/iwlwifi/iwl-5000.c
index 1d539e3b8db..a6391c7fea5 100644
--- a/drivers/net/wireless/iwlwifi/iwl-5000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-5000.c
@@ -1163,6 +1163,12 @@ static int iwl5000_tx_status_reply_tx(struct iwl_priv *priv,
agg->frame_count, txq_id, idx);
hdr = iwl_tx_queue_get_hdr(priv, txq_id, idx);
+ if (!hdr) {
+ IWL_ERR(priv,
+ "BUG_ON idx doesn't point to valid skb"
+ " idx=%d, txq_id=%d\n", idx, txq_id);
+ return -1;
+ }
sc = le16_to_cpu(hdr->seq_ctrl);
if (idx != (SEQ_TO_SN(sc) & 0xff)) {
diff --git a/drivers/net/wireless/iwlwifi/iwl-rx.c b/drivers/net/wireless/iwlwifi/iwl-rx.c
index b90adcb73b0..8e1bb53c0aa 100644
--- a/drivers/net/wireless/iwlwifi/iwl-rx.c
+++ b/drivers/net/wireless/iwlwifi/iwl-rx.c
@@ -250,12 +250,20 @@ void iwl_rx_allocate(struct iwl_priv *priv, gfp_t priority)
}
spin_unlock_irqrestore(&rxq->lock, flags);
+ if (rxq->free_count > RX_LOW_WATERMARK)
+ priority |= __GFP_NOWARN;
/* Alloc a new receive buffer */
skb = alloc_skb(priv->hw_params.rx_buf_size + 256,
priority);
if (!skb) {
- IWL_CRIT(priv, "Can not allocate SKB buffers\n");
+ if (net_ratelimit())
+ IWL_DEBUG_INFO(priv, "Failed to allocate SKB buffer.\n");
+ if ((rxq->free_count <= RX_LOW_WATERMARK) &&
+ net_ratelimit())
+ IWL_CRIT(priv, "Failed to allocate SKB buffer with %s. Only %u free buffers remaining.\n",
+ priority == GFP_ATOMIC ? "GFP_ATOMIC" : "GFP_KERNEL",
+ rxq->free_count);
/* We don't reschedule replenish work here -- we will
* call the restock method and if it still needs
* more buffers it will schedule replenish */
diff --git a/drivers/net/wireless/iwlwifi/iwl-sta.c b/drivers/net/wireless/iwlwifi/iwl-sta.c
index a2b9ec82b96..c6633fec821 100644
--- a/drivers/net/wireless/iwlwifi/iwl-sta.c
+++ b/drivers/net/wireless/iwlwifi/iwl-sta.c
@@ -520,7 +520,7 @@ int iwl_send_static_wepkey_cmd(struct iwl_priv *priv, u8 send_if_empty)
struct iwl_host_cmd cmd = {
.id = REPLY_WEPKEY,
.data = wep_cmd,
- .flags = CMD_SYNC,
+ .flags = CMD_ASYNC,
};
memset(wep_cmd, 0, cmd_size +
diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c
index 090966837f3..4f2d4393728 100644
--- a/drivers/net/wireless/iwlwifi/iwl3945-base.c
+++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c
@@ -1146,11 +1146,18 @@ static void iwl3945_rx_allocate(struct iwl_priv *priv, gfp_t priority)
}
spin_unlock_irqrestore(&rxq->lock, flags);
+ if (rxq->free_count > RX_LOW_WATERMARK)
+ priority |= __GFP_NOWARN;
/* Alloc a new receive buffer */
skb = alloc_skb(priv->hw_params.rx_buf_size, priority);
if (!skb) {
if (net_ratelimit())
- IWL_CRIT(priv, ": Can not allocate SKB buffers\n");
+ IWL_DEBUG_INFO(priv, "Failed to allocate SKB buffer.\n");
+ if ((rxq->free_count <= RX_LOW_WATERMARK) &&
+ net_ratelimit())
+ IWL_CRIT(priv, "Failed to allocate SKB buffer with %s. Only %u free buffers remaining.\n",
+ priority == GFP_ATOMIC ? "GFP_ATOMIC" : "GFP_KERNEL",
+ rxq->free_count);
/* We don't reschedule replenish work here -- we will
* call the restock method and if it still needs
* more buffers it will schedule replenish */
diff --git a/drivers/net/wireless/rt2x00/rt2x00lib.h b/drivers/net/wireless/rt2x00/rt2x00lib.h
index 5462cb5ad99..567f029a8cd 100644
--- a/drivers/net/wireless/rt2x00/rt2x00lib.h
+++ b/drivers/net/wireless/rt2x00/rt2x00lib.h
@@ -380,7 +380,7 @@ static inline void rt2x00crypto_tx_insert_iv(struct sk_buff *skb,
{
}
-static inline void rt2x00crypto_rx_insert_iv(struct sk_buff *skb, bool l2pad,
+static inline void rt2x00crypto_rx_insert_iv(struct sk_buff *skb,
unsigned int header_length,
struct rxdone_entry_desc *rxdesc)
{
diff --git a/drivers/net/wireless/wl12xx/Kconfig b/drivers/net/wireless/wl12xx/Kconfig
index 7b14d5bc63d..88060e11754 100644
--- a/drivers/net/wireless/wl12xx/Kconfig
+++ b/drivers/net/wireless/wl12xx/Kconfig
@@ -1,5 +1,5 @@
menuconfig WL12XX
- boolean "TI wl12xx driver support"
+ tristate "TI wl12xx driver support"
depends on MAC80211 && WLAN_80211 && EXPERIMENTAL
---help---
This will enable TI wl12xx driver support. The drivers make
diff --git a/drivers/net/wireless/zd1211rw/zd_usb.c b/drivers/net/wireless/zd1211rw/zd_usb.c
index 38688847d56..23a6a6d4863 100644
--- a/drivers/net/wireless/zd1211rw/zd_usb.c
+++ b/drivers/net/wireless/zd1211rw/zd_usb.c
@@ -1070,7 +1070,7 @@ static int eject_installer(struct usb_interface *intf)
/* Find bulk out endpoint */
endpoint = &iface_desc->endpoint[1].desc;
- if ((endpoint->bEndpointAddress & USB_TYPE_MASK) == USB_DIR_OUT &&
+ if (usb_endpoint_dir_out(endpoint) &&
usb_endpoint_xfer_bulk(endpoint)) {
bulk_out_ep = endpoint->bEndpointAddress;
} else {
diff --git a/drivers/net/xilinx_emaclite.c b/drivers/net/xilinx_emaclite.c
index dc22782633a..83a044dbd1d 100644
--- a/drivers/net/xilinx_emaclite.c
+++ b/drivers/net/xilinx_emaclite.c
@@ -134,18 +134,15 @@ static void xemaclite_enable_interrupts(struct net_local *drvdata)
}
/* Enable the Rx interrupts for the first buffer */
- reg_data = in_be32(drvdata->base_addr + XEL_RSR_OFFSET);
out_be32(drvdata->base_addr + XEL_RSR_OFFSET,
- reg_data | XEL_RSR_RECV_IE_MASK);
+ XEL_RSR_RECV_IE_MASK);
/* Enable the Rx interrupts for the second Buffer if
* configured in HW */
if (drvdata->rx_ping_pong != 0) {
- reg_data = in_be32(drvdata->base_addr + XEL_BUFFER_OFFSET +
- XEL_RSR_OFFSET);
out_be32(drvdata->base_addr + XEL_BUFFER_OFFSET +
XEL_RSR_OFFSET,
- reg_data | XEL_RSR_RECV_IE_MASK);
+ XEL_RSR_RECV_IE_MASK);
}
/* Enable the Global Interrupt Enable */