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-rw-r--r--drivers/net/ixgb/Makefile2
-rw-r--r--drivers/net/ixgb/ixgb.h21
-rw-r--r--drivers/net/ixgb/ixgb_ee.c28
-rw-r--r--drivers/net/ixgb/ixgb_ee.h12
-rw-r--r--drivers/net/ixgb/ixgb_ethtool.c120
-rw-r--r--drivers/net/ixgb/ixgb_hw.c40
-rw-r--r--drivers/net/ixgb/ixgb_hw.h2
-rw-r--r--drivers/net/ixgb/ixgb_ids.h10
-rw-r--r--drivers/net/ixgb/ixgb_main.c499
-rw-r--r--drivers/net/ixgb/ixgb_osdep.h4
-rw-r--r--drivers/net/ixgb/ixgb_param.c44
11 files changed, 348 insertions, 434 deletions
diff --git a/drivers/net/ixgb/Makefile b/drivers/net/ixgb/Makefile
index 838a5084fa00..0b20c5e62ffe 100644
--- a/drivers/net/ixgb/Makefile
+++ b/drivers/net/ixgb/Makefile
@@ -1,7 +1,7 @@
################################################################################
#
# Intel PRO/10GbE Linux driver
-# Copyright(c) 1999 - 2006 Intel Corporation.
+# Copyright(c) 1999 - 2008 Intel Corporation.
#
# This program is free software; you can redistribute it and/or modify it
# under the terms and conditions of the GNU General Public License,
diff --git a/drivers/net/ixgb/ixgb.h b/drivers/net/ixgb/ixgb.h
index 16f9c756aa46..804698fc6a8f 100644
--- a/drivers/net/ixgb/ixgb.h
+++ b/drivers/net/ixgb/ixgb.h
@@ -1,7 +1,7 @@
/*******************************************************************************
Intel PRO/10GbE Linux driver
- Copyright(c) 1999 - 2006 Intel Corporation.
+ Copyright(c) 1999 - 2008 Intel Corporation.
This program is free software; you can redistribute it and/or modify it
under the terms and conditions of the GNU General Public License,
@@ -89,18 +89,16 @@ struct ixgb_adapter;
/* TX/RX descriptor defines */
-#define DEFAULT_TXD 256
-#define MAX_TXD 4096
-#define MIN_TXD 64
+#define DEFAULT_TXD 256
+#define MAX_TXD 4096
+#define MIN_TXD 64
/* hardware cannot reliably support more than 512 descriptors owned by
- * hardware descrioptor cache otherwise an unreliable ring under heavy
- * recieve load may result */
-/* #define DEFAULT_RXD 1024 */
-/* #define MAX_RXD 4096 */
-#define DEFAULT_RXD 512
-#define MAX_RXD 512
-#define MIN_RXD 64
+ * hardware descriptor cache otherwise an unreliable ring under heavy
+ * receive load may result */
+#define DEFAULT_RXD 512
+#define MAX_RXD 512
+#define MIN_RXD 64
/* Supported Rx Buffer Sizes */
#define IXGB_RXBUFFER_2048 2048
@@ -157,7 +155,6 @@ struct ixgb_adapter {
u32 part_num;
u16 link_speed;
u16 link_duplex;
- spinlock_t tx_lock;
struct work_struct tx_timeout_task;
struct timer_list blink_timer;
diff --git a/drivers/net/ixgb/ixgb_ee.c b/drivers/net/ixgb/ixgb_ee.c
index 2f7ed52c7502..89ffa7264a12 100644
--- a/drivers/net/ixgb/ixgb_ee.c
+++ b/drivers/net/ixgb/ixgb_ee.c
@@ -1,7 +1,7 @@
/*******************************************************************************
Intel PRO/10GbE Linux driver
- Copyright(c) 1999 - 2006 Intel Corporation.
+ Copyright(c) 1999 - 2008 Intel Corporation.
This program is free software; you can redistribute it and/or modify it
under the terms and conditions of the GNU General Public License,
@@ -108,7 +108,7 @@ ixgb_shift_out_bits(struct ixgb_hw *hw,
*/
eecd_reg &= ~IXGB_EECD_DI;
- if(data & mask)
+ if (data & mask)
eecd_reg |= IXGB_EECD_DI;
IXGB_WRITE_REG(hw, EECD, eecd_reg);
@@ -120,7 +120,7 @@ ixgb_shift_out_bits(struct ixgb_hw *hw,
mask = mask >> 1;
- } while(mask);
+ } while (mask);
/* We leave the "DI" bit set to "0" when we leave this routine. */
eecd_reg &= ~IXGB_EECD_DI;
@@ -152,14 +152,14 @@ ixgb_shift_in_bits(struct ixgb_hw *hw)
eecd_reg &= ~(IXGB_EECD_DO | IXGB_EECD_DI);
data = 0;
- for(i = 0; i < 16; i++) {
+ for (i = 0; i < 16; i++) {
data = data << 1;
ixgb_raise_clock(hw, &eecd_reg);
eecd_reg = IXGB_READ_REG(hw, EECD);
eecd_reg &= ~(IXGB_EECD_DI);
- if(eecd_reg & IXGB_EECD_DO)
+ if (eecd_reg & IXGB_EECD_DO)
data |= 1;
ixgb_lower_clock(hw, &eecd_reg);
@@ -205,7 +205,7 @@ ixgb_standby_eeprom(struct ixgb_hw *hw)
eecd_reg = IXGB_READ_REG(hw, EECD);
- /* Deselct EEPROM */
+ /* Deselect EEPROM */
eecd_reg &= ~(IXGB_EECD_CS | IXGB_EECD_SK);
IXGB_WRITE_REG(hw, EECD, eecd_reg);
udelay(50);
@@ -293,14 +293,14 @@ ixgb_wait_eeprom_command(struct ixgb_hw *hw)
*/
ixgb_standby_eeprom(hw);
- /* Now read DO repeatedly until is high (equal to '1'). The EEEPROM will
+ /* Now read DO repeatedly until is high (equal to '1'). The EEPROM will
* signal that the command has been completed by raising the DO signal.
* If DO does not go high in 10 milliseconds, then error out.
*/
- for(i = 0; i < 200; i++) {
+ for (i = 0; i < 200; i++) {
eecd_reg = IXGB_READ_REG(hw, EECD);
- if(eecd_reg & IXGB_EECD_DO)
+ if (eecd_reg & IXGB_EECD_DO)
return (true);
udelay(50);
@@ -328,10 +328,10 @@ ixgb_validate_eeprom_checksum(struct ixgb_hw *hw)
u16 checksum = 0;
u16 i;
- for(i = 0; i < (EEPROM_CHECKSUM_REG + 1); i++)
+ for (i = 0; i < (EEPROM_CHECKSUM_REG + 1); i++)
checksum += ixgb_read_eeprom(hw, i);
- if(checksum == (u16) EEPROM_SUM)
+ if (checksum == (u16) EEPROM_SUM)
return (true);
else
return (false);
@@ -351,7 +351,7 @@ ixgb_update_eeprom_checksum(struct ixgb_hw *hw)
u16 checksum = 0;
u16 i;
- for(i = 0; i < EEPROM_CHECKSUM_REG; i++)
+ for (i = 0; i < EEPROM_CHECKSUM_REG; i++)
checksum += ixgb_read_eeprom(hw, i);
checksum = (u16) EEPROM_SUM - checksum;
@@ -365,7 +365,7 @@ ixgb_update_eeprom_checksum(struct ixgb_hw *hw)
*
* hw - Struct containing variables accessed by shared code
* reg - offset within the EEPROM to be written to
- * data - 16 bit word to be writen to the EEPROM
+ * data - 16 bit word to be written to the EEPROM
*
* If ixgb_update_eeprom_checksum is not called after this function, the
* EEPROM will most likely contain an invalid checksum.
@@ -472,7 +472,7 @@ ixgb_get_eeprom_data(struct ixgb_hw *hw)
ee_map = (struct ixgb_ee_map_type *)hw->eeprom;
DEBUGOUT("ixgb_ee: Reading eeprom data\n");
- for(i = 0; i < IXGB_EEPROM_SIZE ; i++) {
+ for (i = 0; i < IXGB_EEPROM_SIZE ; i++) {
u16 ee_data;
ee_data = ixgb_read_eeprom(hw, i);
checksum += ee_data;
diff --git a/drivers/net/ixgb/ixgb_ee.h b/drivers/net/ixgb/ixgb_ee.h
index 4b7bd0d4a8a9..7ea12652f471 100644
--- a/drivers/net/ixgb/ixgb_ee.h
+++ b/drivers/net/ixgb/ixgb_ee.h
@@ -1,7 +1,7 @@
/*******************************************************************************
Intel PRO/10GbE Linux driver
- Copyright(c) 1999 - 2006 Intel Corporation.
+ Copyright(c) 1999 - 2008 Intel Corporation.
This program is free software; you can redistribute it and/or modify it
under the terms and conditions of the GNU General Public License,
@@ -34,11 +34,11 @@
#define IXGB_ETH_LENGTH_OF_ADDRESS 6
/* EEPROM Commands */
-#define EEPROM_READ_OPCODE 0x6 /* EERPOM read opcode */
-#define EEPROM_WRITE_OPCODE 0x5 /* EERPOM write opcode */
-#define EEPROM_ERASE_OPCODE 0x7 /* EERPOM erase opcode */
-#define EEPROM_EWEN_OPCODE 0x13 /* EERPOM erase/write enable */
-#define EEPROM_EWDS_OPCODE 0x10 /* EERPOM erast/write disable */
+#define EEPROM_READ_OPCODE 0x6 /* EEPROM read opcode */
+#define EEPROM_WRITE_OPCODE 0x5 /* EEPROM write opcode */
+#define EEPROM_ERASE_OPCODE 0x7 /* EEPROM erase opcode */
+#define EEPROM_EWEN_OPCODE 0x13 /* EEPROM erase/write enable */
+#define EEPROM_EWDS_OPCODE 0x10 /* EEPROM erase/write disable */
/* EEPROM MAP (Word Offsets) */
#define EEPROM_IA_1_2_REG 0x0000
diff --git a/drivers/net/ixgb/ixgb_ethtool.c b/drivers/net/ixgb/ixgb_ethtool.c
index 8464d8a013b0..288ee1d0f431 100644
--- a/drivers/net/ixgb/ixgb_ethtool.c
+++ b/drivers/net/ixgb/ixgb_ethtool.c
@@ -1,7 +1,7 @@
/*******************************************************************************
Intel PRO/10GbE Linux driver
- Copyright(c) 1999 - 2006 Intel Corporation.
+ Copyright(c) 1999 - 2008 Intel Corporation.
This program is free software; you can redistribute it and/or modify it
under the terms and conditions of the GNU General Public License,
@@ -95,7 +95,7 @@ ixgb_get_settings(struct net_device *netdev, struct ethtool_cmd *ecmd)
ecmd->port = PORT_FIBRE;
ecmd->transceiver = XCVR_EXTERNAL;
- if(netif_carrier_ok(adapter->netdev)) {
+ if (netif_carrier_ok(adapter->netdev)) {
ecmd->speed = SPEED_10000;
ecmd->duplex = DUPLEX_FULL;
} else {
@@ -122,11 +122,11 @@ ixgb_set_settings(struct net_device *netdev, struct ethtool_cmd *ecmd)
{
struct ixgb_adapter *adapter = netdev_priv(netdev);
- if(ecmd->autoneg == AUTONEG_ENABLE ||
+ if (ecmd->autoneg == AUTONEG_ENABLE ||
ecmd->speed + ecmd->duplex != SPEED_10000 + DUPLEX_FULL)
return -EINVAL;
-
- if(netif_running(adapter->netdev)) {
+
+ if (netif_running(adapter->netdev)) {
ixgb_down(adapter, true);
ixgb_reset(adapter);
ixgb_up(adapter);
@@ -143,14 +143,14 @@ ixgb_get_pauseparam(struct net_device *netdev,
{
struct ixgb_adapter *adapter = netdev_priv(netdev);
struct ixgb_hw *hw = &adapter->hw;
-
+
pause->autoneg = AUTONEG_DISABLE;
-
- if(hw->fc.type == ixgb_fc_rx_pause)
+
+ if (hw->fc.type == ixgb_fc_rx_pause)
pause->rx_pause = 1;
- else if(hw->fc.type == ixgb_fc_tx_pause)
+ else if (hw->fc.type == ixgb_fc_tx_pause)
pause->tx_pause = 1;
- else if(hw->fc.type == ixgb_fc_full) {
+ else if (hw->fc.type == ixgb_fc_full) {
pause->rx_pause = 1;
pause->tx_pause = 1;
}
@@ -162,26 +162,26 @@ ixgb_set_pauseparam(struct net_device *netdev,
{
struct ixgb_adapter *adapter = netdev_priv(netdev);
struct ixgb_hw *hw = &adapter->hw;
-
- if(pause->autoneg == AUTONEG_ENABLE)
+
+ if (pause->autoneg == AUTONEG_ENABLE)
return -EINVAL;
- if(pause->rx_pause && pause->tx_pause)
+ if (pause->rx_pause && pause->tx_pause)
hw->fc.type = ixgb_fc_full;
- else if(pause->rx_pause && !pause->tx_pause)
+ else if (pause->rx_pause && !pause->tx_pause)
hw->fc.type = ixgb_fc_rx_pause;
- else if(!pause->rx_pause && pause->tx_pause)
+ else if (!pause->rx_pause && pause->tx_pause)
hw->fc.type = ixgb_fc_tx_pause;
- else if(!pause->rx_pause && !pause->tx_pause)
+ else if (!pause->rx_pause && !pause->tx_pause)
hw->fc.type = ixgb_fc_none;
- if(netif_running(adapter->netdev)) {
+ if (netif_running(adapter->netdev)) {
ixgb_down(adapter, true);
ixgb_up(adapter);
ixgb_set_speed_duplex(netdev);
} else
ixgb_reset(adapter);
-
+
return 0;
}
@@ -200,7 +200,7 @@ ixgb_set_rx_csum(struct net_device *netdev, u32 data)
adapter->rx_csum = data;
- if(netif_running(netdev)) {
+ if (netif_running(netdev)) {
ixgb_down(adapter, true);
ixgb_up(adapter);
ixgb_set_speed_duplex(netdev);
@@ -208,7 +208,7 @@ ixgb_set_rx_csum(struct net_device *netdev, u32 data)
ixgb_reset(adapter);
return 0;
}
-
+
static u32
ixgb_get_tx_csum(struct net_device *netdev)
{
@@ -229,12 +229,12 @@ ixgb_set_tx_csum(struct net_device *netdev, u32 data)
static int
ixgb_set_tso(struct net_device *netdev, u32 data)
{
- if(data)
+ if (data)
netdev->features |= NETIF_F_TSO;
else
netdev->features &= ~NETIF_F_TSO;
return 0;
-}
+}
static u32
ixgb_get_msglevel(struct net_device *netdev)
@@ -251,7 +251,7 @@ ixgb_set_msglevel(struct net_device *netdev, u32 data)
}
#define IXGB_GET_STAT(_A_, _R_) _A_->stats._R_
-static int
+static int
ixgb_get_regs_len(struct net_device *netdev)
{
#define IXGB_REG_DUMP_LEN 136*sizeof(u32)
@@ -301,7 +301,7 @@ ixgb_get_regs(struct net_device *netdev,
*reg++ = IXGB_READ_REG(hw, RXCSUM); /* 20 */
/* there are 16 RAR entries in hardware, we only use 3 */
- for(i = 0; i < IXGB_ALL_RAR_ENTRIES; i++) {
+ for (i = 0; i < IXGB_ALL_RAR_ENTRIES; i++) {
*reg++ = IXGB_READ_REG_ARRAY(hw, RAL, (i << 1)); /*21,...,51 */
*reg++ = IXGB_READ_REG_ARRAY(hw, RAH, (i << 1)); /*22,...,52 */
}
@@ -415,7 +415,7 @@ ixgb_get_eeprom(struct net_device *netdev,
int i, max_len, first_word, last_word;
int ret_val = 0;
- if(eeprom->len == 0) {
+ if (eeprom->len == 0) {
ret_val = -EINVAL;
goto geeprom_error;
}
@@ -424,12 +424,12 @@ ixgb_get_eeprom(struct net_device *netdev,
max_len = ixgb_get_eeprom_len(netdev);
- if(eeprom->offset > eeprom->offset + eeprom->len) {
+ if (eeprom->offset > eeprom->offset + eeprom->len) {
ret_val = -EINVAL;
goto geeprom_error;
}
- if((eeprom->offset + eeprom->len) > max_len)
+ if ((eeprom->offset + eeprom->len) > max_len)
eeprom->len = (max_len - eeprom->offset);
first_word = eeprom->offset >> 1;
@@ -437,16 +437,14 @@ ixgb_get_eeprom(struct net_device *netdev,
eeprom_buff = kmalloc(sizeof(__le16) *
(last_word - first_word + 1), GFP_KERNEL);
- if(!eeprom_buff)
+ if (!eeprom_buff)
return -ENOMEM;
/* note the eeprom was good because the driver loaded */
- for(i = 0; i <= (last_word - first_word); i++) {
+ for (i = 0; i <= (last_word - first_word); i++)
eeprom_buff[i] = ixgb_get_eeprom_word(hw, (first_word + i));
- }
- memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 1),
- eeprom->len);
+ memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 1), eeprom->len);
kfree(eeprom_buff);
geeprom_error:
@@ -464,47 +462,47 @@ ixgb_set_eeprom(struct net_device *netdev,
int max_len, first_word, last_word;
u16 i;
- if(eeprom->len == 0)
+ if (eeprom->len == 0)
return -EINVAL;
- if(eeprom->magic != (hw->vendor_id | (hw->device_id << 16)))
+ if (eeprom->magic != (hw->vendor_id | (hw->device_id << 16)))
return -EFAULT;
max_len = ixgb_get_eeprom_len(netdev);
- if(eeprom->offset > eeprom->offset + eeprom->len)
+ if (eeprom->offset > eeprom->offset + eeprom->len)
return -EINVAL;
- if((eeprom->offset + eeprom->len) > max_len)
+ if ((eeprom->offset + eeprom->len) > max_len)
eeprom->len = (max_len - eeprom->offset);
first_word = eeprom->offset >> 1;
last_word = (eeprom->offset + eeprom->len - 1) >> 1;
eeprom_buff = kmalloc(max_len, GFP_KERNEL);
- if(!eeprom_buff)
+ if (!eeprom_buff)
return -ENOMEM;
ptr = (void *)eeprom_buff;
- if(eeprom->offset & 1) {
+ if (eeprom->offset & 1) {
/* need read/modify/write of first changed EEPROM word */
/* only the second byte of the word is being modified */
eeprom_buff[0] = ixgb_read_eeprom(hw, first_word);
ptr++;
}
- if((eeprom->offset + eeprom->len) & 1) {
+ if ((eeprom->offset + eeprom->len) & 1) {
/* need read/modify/write of last changed EEPROM word */
/* only the first byte of the word is being modified */
- eeprom_buff[last_word - first_word]
+ eeprom_buff[last_word - first_word]
= ixgb_read_eeprom(hw, last_word);
}
memcpy(ptr, bytes, eeprom->len);
- for(i = 0; i <= (last_word - first_word); i++)
+ for (i = 0; i <= (last_word - first_word); i++)
ixgb_write_eeprom(hw, first_word + i, eeprom_buff[i]);
/* Update the checksum over the first part of the EEPROM if needed */
- if(first_word <= EEPROM_CHECKSUM_REG)
+ if (first_word <= EEPROM_CHECKSUM_REG)
ixgb_update_eeprom_checksum(hw);
kfree(eeprom_buff);
@@ -534,7 +532,7 @@ ixgb_get_ringparam(struct net_device *netdev,
struct ixgb_desc_ring *txdr = &adapter->tx_ring;
struct ixgb_desc_ring *rxdr = &adapter->rx_ring;
- ring->rx_max_pending = MAX_RXD;
+ ring->rx_max_pending = MAX_RXD;
ring->tx_max_pending = MAX_TXD;
ring->rx_mini_max_pending = 0;
ring->rx_jumbo_max_pending = 0;
@@ -544,7 +542,7 @@ ixgb_get_ringparam(struct net_device *netdev,
ring->rx_jumbo_pending = 0;
}
-static int
+static int
ixgb_set_ringparam(struct net_device *netdev,
struct ethtool_ringparam *ring)
{
@@ -557,10 +555,10 @@ ixgb_set_ringparam(struct net_device *netdev,
tx_old = adapter->tx_ring;
rx_old = adapter->rx_ring;
- if((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
+ if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
return -EINVAL;
- if(netif_running(adapter->netdev))
+ if (netif_running(adapter->netdev))
ixgb_down(adapter, true);
rxdr->count = max(ring->rx_pending,(u32)MIN_RXD);
@@ -571,11 +569,11 @@ ixgb_set_ringparam(struct net_device *netdev,
txdr->count = min(txdr->count,(u32)MAX_TXD);
txdr->count = ALIGN(txdr->count, IXGB_REQ_TX_DESCRIPTOR_MULTIPLE);
- if(netif_running(adapter->netdev)) {
+ if (netif_running(adapter->netdev)) {
/* Try to get new resources before deleting old */
- if((err = ixgb_setup_rx_resources(adapter)))
+ if ((err = ixgb_setup_rx_resources(adapter)))
goto err_setup_rx;
- if((err = ixgb_setup_tx_resources(adapter)))
+ if ((err = ixgb_setup_tx_resources(adapter)))
goto err_setup_tx;
/* save the new, restore the old in order to free it,
@@ -589,7 +587,7 @@ ixgb_set_ringparam(struct net_device *netdev,
ixgb_free_tx_resources(adapter);
adapter->rx_ring = rx_new;
adapter->tx_ring = tx_new;
- if((err = ixgb_up(adapter)))
+ if ((err = ixgb_up(adapter)))
return err;
ixgb_set_speed_duplex(netdev);
}
@@ -615,7 +613,7 @@ ixgb_led_blink_callback(unsigned long data)
{
struct ixgb_adapter *adapter = (struct ixgb_adapter *)data;
- if(test_and_change_bit(IXGB_LED_ON, &adapter->led_status))
+ if (test_and_change_bit(IXGB_LED_ON, &adapter->led_status))
ixgb_led_off(&adapter->hw);
else
ixgb_led_on(&adapter->hw);
@@ -631,7 +629,7 @@ ixgb_phys_id(struct net_device *netdev, u32 data)
if (!data)
data = INT_MAX;
- if(!adapter->blink_timer.function) {
+ if (!adapter->blink_timer.function) {
init_timer(&adapter->blink_timer);
adapter->blink_timer.function = ixgb_led_blink_callback;
adapter->blink_timer.data = (unsigned long)adapter;
@@ -647,7 +645,7 @@ ixgb_phys_id(struct net_device *netdev, u32 data)
return 0;
}
-static int
+static int
ixgb_get_sset_count(struct net_device *netdev, int sset)
{
switch (sset) {
@@ -658,30 +656,30 @@ ixgb_get_sset_count(struct net_device *netdev, int sset)
}
}
-static void
-ixgb_get_ethtool_stats(struct net_device *netdev,
+static void
+ixgb_get_ethtool_stats(struct net_device *netdev,
struct ethtool_stats *stats, u64 *data)
{
struct ixgb_adapter *adapter = netdev_priv(netdev);
int i;
ixgb_update_stats(adapter);
- for(i = 0; i < IXGB_STATS_LEN; i++) {
- char *p = (char *)adapter+ixgb_gstrings_stats[i].stat_offset;
- data[i] = (ixgb_gstrings_stats[i].sizeof_stat ==
+ for (i = 0; i < IXGB_STATS_LEN; i++) {
+ char *p = (char *)adapter+ixgb_gstrings_stats[i].stat_offset;
+ data[i] = (ixgb_gstrings_stats[i].sizeof_stat ==
sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
}
}
-static void
+static void
ixgb_get_strings(struct net_device *netdev, u32 stringset, u8 *data)
{
int i;
switch(stringset) {
case ETH_SS_STATS:
- for(i=0; i < IXGB_STATS_LEN; i++) {
- memcpy(data + i * ETH_GSTRING_LEN,
+ for (i = 0; i < IXGB_STATS_LEN; i++) {
+ memcpy(data + i * ETH_GSTRING_LEN,
ixgb_gstrings_stats[i].stat_string,
ETH_GSTRING_LEN);
}
diff --git a/drivers/net/ixgb/ixgb_hw.c b/drivers/net/ixgb/ixgb_hw.c
index 04d2003e24e1..11dcda0f453e 100644
--- a/drivers/net/ixgb/ixgb_hw.c
+++ b/drivers/net/ixgb/ixgb_hw.c
@@ -1,7 +1,7 @@
/*******************************************************************************
Intel PRO/10GbE Linux driver
- Copyright(c) 1999 - 2006 Intel Corporation.
+ Copyright(c) 1999 - 2008 Intel Corporation.
This program is free software; you can redistribute it and/or modify it
under the terms and conditions of the GNU General Public License,
@@ -125,7 +125,7 @@ ixgb_adapter_stop(struct ixgb_hw *hw)
/* If we are stopped or resetting exit gracefully and wait to be
* started again before accessing the hardware.
*/
- if(hw->adapter_stopped) {
+ if (hw->adapter_stopped) {
DEBUGOUT("Exiting because the adapter is already stopped!!!\n");
return false;
}
@@ -347,7 +347,7 @@ ixgb_init_hw(struct ixgb_hw *hw)
/* Zero out the Multicast HASH table */
DEBUGOUT("Zeroing the MTA\n");
- for(i = 0; i < IXGB_MC_TBL_SIZE; i++)
+ for (i = 0; i < IXGB_MC_TBL_SIZE; i++)
IXGB_WRITE_REG_ARRAY(hw, MTA, i, 0);
/* Zero out the VLAN Filter Table Array */
@@ -371,7 +371,7 @@ ixgb_init_hw(struct ixgb_hw *hw)
* hw - Struct containing variables accessed by shared code
*
* Places the MAC address in receive address register 0 and clears the rest
- * of the receive addresss registers. Clears the multicast table. Assumes
+ * of the receive address registers. Clears the multicast table. Assumes
* the receiver is in reset when the routine is called.
*****************************************************************************/
static void
@@ -413,7 +413,7 @@ ixgb_init_rx_addrs(struct ixgb_hw *hw)
/* Zero out the other 15 receive addresses. */
DEBUGOUT("Clearing RAR[1-15]\n");
- for(i = 1; i < IXGB_RAR_ENTRIES; i++) {
+ for (i = 1; i < IXGB_RAR_ENTRIES; i++) {
/* Write high reg first to disable the AV bit first */
IXGB_WRITE_REG_ARRAY(hw, RA, ((i << 1) + 1), 0);
IXGB_WRITE_REG_ARRAY(hw, RA, (i << 1), 0);
@@ -452,19 +452,18 @@ ixgb_mc_addr_list_update(struct ixgb_hw *hw,
/* Clear RAR[1-15] */
DEBUGOUT(" Clearing RAR[1-15]\n");
- for(i = rar_used_count; i < IXGB_RAR_ENTRIES; i++) {
+ for (i = rar_used_count; i < IXGB_RAR_ENTRIES; i++) {
IXGB_WRITE_REG_ARRAY(hw, RA, (i << 1), 0);
IXGB_WRITE_REG_ARRAY(hw, RA, ((i << 1) + 1), 0);
}
/* Clear the MTA */
DEBUGOUT(" Clearing MTA\n");
- for(i = 0; i < IXGB_MC_TBL_SIZE; i++) {
+ for (i = 0; i < IXGB_MC_TBL_SIZE; i++)
IXGB_WRITE_REG_ARRAY(hw, MTA, i, 0);
- }
/* Add the new addresses */
- for(i = 0; i < mc_addr_count; i++) {
+ for (i = 0; i < mc_addr_count; i++) {
DEBUGOUT(" Adding the multicast addresses:\n");
DEBUGOUT7(" MC Addr #%d =%.2X %.2X %.2X %.2X %.2X %.2X\n", i,
mc_addr_list[i * (IXGB_ETH_LENGTH_OF_ADDRESS + pad)],
@@ -482,7 +481,7 @@ ixgb_mc_addr_list_update(struct ixgb_hw *hw,
/* Place this multicast address in the RAR if there is room, *
* else put it in the MTA
*/
- if(rar_used_count < IXGB_RAR_ENTRIES) {
+ if (rar_used_count < IXGB_RAR_ENTRIES) {
ixgb_rar_set(hw,
mc_addr_list +
(i * (IXGB_ETH_LENGTH_OF_ADDRESS + pad)),
@@ -649,7 +648,7 @@ ixgb_clear_vfta(struct ixgb_hw *hw)
{
u32 offset;
- for(offset = 0; offset < IXGB_VLAN_FILTER_TBL_SIZE; offset++)
+ for (offset = 0; offset < IXGB_VLAN_FILTER_TBL_SIZE; offset++)
IXGB_WRITE_REG_ARRAY(hw, VFTA, offset, 0);
return;
}
@@ -719,9 +718,8 @@ ixgb_setup_fc(struct ixgb_hw *hw)
/* Write the new settings */
IXGB_WRITE_REG(hw, CTRL0, ctrl_reg);
- if (pap_reg != 0) {
+ if (pap_reg != 0)
IXGB_WRITE_REG(hw, PAP, pap_reg);
- }
/* Set the flow control receive threshold registers. Normally,
* these registers will be set to a default threshold that may be
@@ -729,14 +727,14 @@ ixgb_setup_fc(struct ixgb_hw *hw)
* ability to transmit pause frames in not enabled, then these
* registers will be set to 0.
*/
- if(!(hw->fc.type & ixgb_fc_tx_pause)) {
+ if (!(hw->fc.type & ixgb_fc_tx_pause)) {
IXGB_WRITE_REG(hw, FCRTL, 0);
IXGB_WRITE_REG(hw, FCRTH, 0);
} else {
/* We need to set up the Receive Threshold high and low water
* marks as well as (optionally) enabling the transmission of XON
* frames. */
- if(hw->fc.send_xon) {
+ if (hw->fc.send_xon) {
IXGB_WRITE_REG(hw, FCRTL,
(hw->fc.low_water | IXGB_FCRTL_XONE));
} else {
@@ -791,7 +789,7 @@ ixgb_read_phy_reg(struct ixgb_hw *hw,
** from the CPU Write to the Ready bit assertion.
**************************************************************/
- for(i = 0; i < 10; i++)
+ for (i = 0; i < 10; i++)
{
udelay(10);
@@ -818,7 +816,7 @@ ixgb_read_phy_reg(struct ixgb_hw *hw,
** from the CPU Write to the Ready bit assertion.
**************************************************************/
- for(i = 0; i < 10; i++)
+ for (i = 0; i < 10; i++)
{
udelay(10);
@@ -887,7 +885,7 @@ ixgb_write_phy_reg(struct ixgb_hw *hw,
** from the CPU Write to the Ready bit assertion.
**************************************************************/
- for(i = 0; i < 10; i++)
+ for (i = 0; i < 10; i++)
{
udelay(10);
@@ -914,7 +912,7 @@ ixgb_write_phy_reg(struct ixgb_hw *hw,
** from the CPU Write to the Ready bit assertion.
**************************************************************/
- for(i = 0; i < 10; i++)
+ for (i = 0; i < 10; i++)
{
udelay(10);
@@ -965,7 +963,7 @@ ixgb_check_for_link(struct ixgb_hw *hw)
}
/******************************************************************************
- * Check for a bad link condition that may have occured.
+ * Check for a bad link condition that may have occurred.
* The indication is that the RFC / LFC registers may be incrementing
* continually. A full adapter reset is required to recover.
*
@@ -1007,7 +1005,7 @@ ixgb_clear_hw_cntrs(struct ixgb_hw *hw)
DEBUGFUNC("ixgb_clear_hw_cntrs");
/* if we are stopped or resetting exit gracefully */
- if(hw->adapter_stopped) {
+ if (hw->adapter_stopped) {
DEBUGOUT("Exiting because the adapter is stopped!!!\n");
return;
}
diff --git a/drivers/net/ixgb/ixgb_hw.h b/drivers/net/ixgb/ixgb_hw.h
index 39cfa47bea69..831fe0c58b2b 100644
--- a/drivers/net/ixgb/ixgb_hw.h
+++ b/drivers/net/ixgb/ixgb_hw.h
@@ -1,7 +1,7 @@
/*******************************************************************************
Intel PRO/10GbE Linux driver
- Copyright(c) 1999 - 2006 Intel Corporation.
+ Copyright(c) 1999 - 2008 Intel Corporation.
This program is free software; you can redistribute it and/or modify it
under the terms and conditions of the GNU General Public License,
diff --git a/drivers/net/ixgb/ixgb_ids.h b/drivers/net/ixgb/ixgb_ids.h
index 180d20e793a5..2a58847f46e8 100644
--- a/drivers/net/ixgb/ixgb_ids.h
+++ b/drivers/net/ixgb/ixgb_ids.h
@@ -1,7 +1,7 @@
/*******************************************************************************
Intel PRO/10GbE Linux driver
- Copyright(c) 1999 - 2006 Intel Corporation.
+ Copyright(c) 1999 - 2008 Intel Corporation.
This program is free software; you can redistribute it and/or modify it
under the terms and conditions of the GNU General Public License,
@@ -38,11 +38,11 @@
#define SUN_VENDOR_ID 0x108E
#define SUN_SUBVENDOR_ID 0x108E
-#define IXGB_DEVICE_ID_82597EX 0x1048
-#define IXGB_DEVICE_ID_82597EX_SR 0x1A48
+#define IXGB_DEVICE_ID_82597EX 0x1048
+#define IXGB_DEVICE_ID_82597EX_SR 0x1A48
#define IXGB_DEVICE_ID_82597EX_LR 0x1B48
-#define IXGB_SUBDEVICE_ID_A11F 0xA11F
-#define IXGB_SUBDEVICE_ID_A01F 0xA01F
+#define IXGB_SUBDEVICE_ID_A11F 0xA11F
+#define IXGB_SUBDEVICE_ID_A01F 0xA01F
#define IXGB_DEVICE_ID_82597EX_CX4 0x109E
#define IXGB_SUBDEVICE_ID_A00C 0xA00C
diff --git a/drivers/net/ixgb/ixgb_main.c b/drivers/net/ixgb/ixgb_main.c
index cb8daddafa29..aa75385cd6c7 100644
--- a/drivers/net/ixgb/ixgb_main.c
+++ b/drivers/net/ixgb/ixgb_main.c
@@ -1,7 +1,7 @@
/*******************************************************************************
Intel PRO/10GbE Linux driver
- Copyright(c) 1999 - 2006 Intel Corporation.
+ Copyright(c) 1999 - 2008 Intel Corporation.
This program is free software; you can redistribute it and/or modify it
under the terms and conditions of the GNU General Public License,
@@ -31,14 +31,16 @@
char ixgb_driver_name[] = "ixgb";
static char ixgb_driver_string[] = "Intel(R) PRO/10GbE Network Driver";
-#ifndef CONFIG_IXGB_NAPI
-#define DRIVERNAPI
-#else
#define DRIVERNAPI "-NAPI"
-#endif
-#define DRV_VERSION "1.0.126-k4"DRIVERNAPI
+#define DRV_VERSION "1.0.135-k2" DRIVERNAPI
const char ixgb_driver_version[] = DRV_VERSION;
-static const char ixgb_copyright[] = "Copyright (c) 1999-2006 Intel Corporation.";
+static const char ixgb_copyright[] = "Copyright (c) 1999-2008 Intel Corporation.";
+
+#define IXGB_CB_LENGTH 256
+static unsigned int copybreak __read_mostly = IXGB_CB_LENGTH;
+module_param(copybreak, uint, 0644);
+MODULE_PARM_DESC(copybreak,
+ "Maximum size of packet that is copied to a new buffer on receive");
/* ixgb_pci_tbl - PCI Device ID Table
*
@@ -55,7 +57,7 @@ static struct pci_device_id ixgb_pci_tbl[] = {
PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
{INTEL_VENDOR_ID, IXGB_DEVICE_ID_82597EX_SR,
PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
- {INTEL_VENDOR_ID, IXGB_DEVICE_ID_82597EX_LR,
+ {INTEL_VENDOR_ID, IXGB_DEVICE_ID_82597EX_LR,
PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
/* required last entry */
@@ -65,16 +67,6 @@ static struct pci_device_id ixgb_pci_tbl[] = {
MODULE_DEVICE_TABLE(pci, ixgb_pci_tbl);
/* Local Function Prototypes */
-
-int ixgb_up(struct ixgb_adapter *adapter);
-void ixgb_down(struct ixgb_adapter *adapter, bool kill_watchdog);
-void ixgb_reset(struct ixgb_adapter *adapter);
-int ixgb_setup_tx_resources(struct ixgb_adapter *adapter);
-int ixgb_setup_rx_resources(struct ixgb_adapter *adapter);
-void ixgb_free_tx_resources(struct ixgb_adapter *adapter);
-void ixgb_free_rx_resources(struct ixgb_adapter *adapter);
-void ixgb_update_stats(struct ixgb_adapter *adapter);
-
static int ixgb_init_module(void);
static void ixgb_exit_module(void);
static int ixgb_probe(struct pci_dev *pdev, const struct pci_device_id *ent);
@@ -96,18 +88,15 @@ static int ixgb_set_mac(struct net_device *netdev, void *p);
static irqreturn_t ixgb_intr(int irq, void *data);
static bool ixgb_clean_tx_irq(struct ixgb_adapter *adapter);
-#ifdef CONFIG_IXGB_NAPI
-static int ixgb_clean(struct napi_struct *napi, int budget);
-static bool ixgb_clean_rx_irq(struct ixgb_adapter *adapter,
- int *work_done, int work_to_do);
-#else
-static bool ixgb_clean_rx_irq(struct ixgb_adapter *adapter);
-#endif
-static void ixgb_alloc_rx_buffers(struct ixgb_adapter *adapter);
+static int ixgb_clean(struct napi_struct *, int);
+static bool ixgb_clean_rx_irq(struct ixgb_adapter *, int *, int);
+static void ixgb_alloc_rx_buffers(struct ixgb_adapter *, int);
+
static void ixgb_tx_timeout(struct net_device *dev);
static void ixgb_tx_timeout_task(struct work_struct *work);
+
static void ixgb_vlan_rx_register(struct net_device *netdev,
- struct vlan_group *grp);
+ struct vlan_group *grp);
static void ixgb_vlan_rx_add_vid(struct net_device *netdev, u16 vid);
static void ixgb_vlan_rx_kill_vid(struct net_device *netdev, u16 vid);
static void ixgb_restore_vlan(struct ixgb_adapter *adapter);
@@ -118,7 +107,7 @@ static void ixgb_netpoll(struct net_device *dev);
#endif
static pci_ers_result_t ixgb_io_error_detected (struct pci_dev *pdev,
- enum pci_channel_state state);
+ enum pci_channel_state state);
static pci_ers_result_t ixgb_io_slot_reset (struct pci_dev *pdev);
static void ixgb_io_resume (struct pci_dev *pdev);
@@ -146,14 +135,6 @@ static int debug = DEFAULT_DEBUG_LEVEL_SHIFT;
module_param(debug, int, 0);
MODULE_PARM_DESC(debug, "Debug level (0=none,...,16=all)");
-/* some defines for controlling descriptor fetches in h/w */
-#define RXDCTL_WTHRESH_DEFAULT 15 /* chip writes back at this many or RXT0 */
-#define RXDCTL_PTHRESH_DEFAULT 0 /* chip considers prefech below
- * this */
-#define RXDCTL_HTHRESH_DEFAULT 0 /* chip will only prefetch if tail
- * is pushed this many descriptors
- * from head */
-
/**
* ixgb_init_module - Driver Registration Routine
*
@@ -236,7 +217,7 @@ ixgb_up(struct ixgb_adapter *adapter)
ixgb_configure_tx(adapter);
ixgb_setup_rctl(adapter);
ixgb_configure_rx(adapter);
- ixgb_alloc_rx_buffers(adapter);
+ ixgb_alloc_rx_buffers(adapter, IXGB_DESC_UNUSED(&adapter->rx_ring));
/* disable interrupts and get the hardware into a known state */
IXGB_WRITE_REG(&adapter->hw, IMC, 0xffffffff);
@@ -261,7 +242,7 @@ ixgb_up(struct ixgb_adapter *adapter)
return err;
}
- if((hw->max_frame_size != max_frame) ||
+ if ((hw->max_frame_size != max_frame) ||
(hw->max_frame_size !=
(IXGB_READ_REG(hw, MFS) >> IXGB_MFS_SHIFT))) {
@@ -269,11 +250,11 @@ ixgb_up(struct ixgb_adapter *adapter)
IXGB_WRITE_REG(hw, MFS, hw->max_frame_size << IXGB_MFS_SHIFT);
- if(hw->max_frame_size >
+ if (hw->max_frame_size >
IXGB_MAX_ENET_FRAME_SIZE_WITHOUT_FCS + ENET_FCS_LENGTH) {
u32 ctrl0 = IXGB_READ_REG(hw, CTRL0);
- if(!(ctrl0 & IXGB_CTRL0_JFE)) {
+ if (!(ctrl0 & IXGB_CTRL0_JFE)) {
ctrl0 |= IXGB_CTRL0_JFE;
IXGB_WRITE_REG(hw, CTRL0, ctrl0);
}
@@ -282,9 +263,7 @@ ixgb_up(struct ixgb_adapter *adapter)
clear_bit(__IXGB_DOWN, &adapter->flags);
-#ifdef CONFIG_IXGB_NAPI
napi_enable(&adapter->napi);
-#endif
ixgb_irq_enable(adapter);
mod_timer(&adapter->watchdog_timer, jiffies);
@@ -300,9 +279,7 @@ ixgb_down(struct ixgb_adapter *adapter, bool kill_watchdog)
/* prevent the interrupt handler from restarting watchdog */
set_bit(__IXGB_DOWN, &adapter->flags);
-#ifdef CONFIG_IXGB_NAPI
napi_disable(&adapter->napi);
-#endif
/* waiting for NAPI to complete can re-enable interrupts */
ixgb_irq_disable(adapter);
free_irq(adapter->pdev->irq, netdev);
@@ -310,7 +287,7 @@ ixgb_down(struct ixgb_adapter *adapter, bool kill_watchdog)
if (adapter->have_msi)
pci_disable_msi(adapter->pdev);
- if(kill_watchdog)
+ if (kill_watchdog)
del_timer_sync(&adapter->watchdog_timer);
adapter->link_speed = 0;
@@ -357,27 +334,25 @@ ixgb_reset(struct ixgb_adapter *adapter)
**/
static int __devinit
-ixgb_probe(struct pci_dev *pdev,
- const struct pci_device_id *ent)
+ixgb_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
{
struct net_device *netdev = NULL;
struct ixgb_adapter *adapter;
static int cards_found = 0;
- unsigned long mmio_start;
- int mmio_len;
int pci_using_dac;
int i;
int err;
- if((err = pci_enable_device(pdev)))
+ err = pci_enable_device(pdev);
+ if (err)
return err;
- if(!(err = pci_set_dma_mask(pdev, DMA_64BIT_MASK)) &&
- !(err = pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK))) {
+ if (!(err = pci_set_dma_mask(pdev, DMA_64BIT_MASK)) &&
+ !(err = pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK))) {
pci_using_dac = 1;
} else {
- if((err = pci_set_dma_mask(pdev, DMA_32BIT_MASK)) ||
- (err = pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK))) {
+ if ((err = pci_set_dma_mask(pdev, DMA_32BIT_MASK)) ||
+ (err = pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK))) {
printk(KERN_ERR
"ixgb: No usable DMA configuration, aborting\n");
goto err_dma_mask;
@@ -385,13 +360,14 @@ ixgb_probe(struct pci_dev *pdev,
pci_using_dac = 0;
}
- if((err = pci_request_regions(pdev, ixgb_driver_name)))
+ err = pci_request_regions(pdev, ixgb_driver_name);
+ if (err)
goto err_request_regions;
pci_set_master(pdev);
netdev = alloc_etherdev(sizeof(struct ixgb_adapter));
- if(!netdev) {
+ if (!netdev) {
err = -ENOMEM;
goto err_alloc_etherdev;
}
@@ -405,19 +381,17 @@ ixgb_probe(struct pci_dev *pdev,
adapter->hw.back = adapter;
adapter->msg_enable = netif_msg_init(debug, DEFAULT_DEBUG_LEVEL_SHIFT);
- mmio_start = pci_resource_start(pdev, BAR_0);
- mmio_len = pci_resource_len(pdev, BAR_0);
-
- adapter->hw.hw_addr = ioremap(mmio_start, mmio_len);
- if(!adapter->hw.hw_addr) {
+ adapter->hw.hw_addr = ioremap(pci_resource_start(pdev, BAR_0),
+ pci_resource_len(pdev, BAR_0));
+ if (!adapter->hw.hw_addr) {
err = -EIO;
goto err_ioremap;
}
- for(i = BAR_1; i <= BAR_5; i++) {
- if(pci_resource_len(pdev, i) == 0)
+ for (i = BAR_1; i <= BAR_5; i++) {
+ if (pci_resource_len(pdev, i) == 0)
continue;
- if(pci_resource_flags(pdev, i) & IORESOURCE_IO) {
+ if (pci_resource_flags(pdev, i) & IORESOURCE_IO) {
adapter->hw.io_base = pci_resource_start(pdev, i);
break;
}
@@ -433,9 +407,7 @@ ixgb_probe(struct pci_dev *pdev,
ixgb_set_ethtool_ops(netdev);
netdev->tx_timeout = &ixgb_tx_timeout;
netdev->watchdog_timeo = 5 * HZ;
-#ifdef CONFIG_IXGB_NAPI
netif_napi_add(netdev, &adapter->napi, ixgb_clean, 64);
-#endif
netdev->vlan_rx_register = ixgb_vlan_rx_register;
netdev->vlan_rx_add_vid = ixgb_vlan_rx_add_vid;
netdev->vlan_rx_kill_vid = ixgb_vlan_rx_kill_vid;
@@ -444,9 +416,6 @@ ixgb_probe(struct pci_dev *pdev,
#endif
strncpy(netdev->name, pci_name(pdev), sizeof(netdev->name) - 1);
- netdev->mem_start = mmio_start;
- netdev->mem_end = mmio_start + mmio_len;
- netdev->base_addr = adapter->hw.io_base;
adapter->bd_number = cards_found;
adapter->link_speed = 0;
@@ -454,7 +423,8 @@ ixgb_probe(struct pci_dev *pdev,
/* setup the private structure */
- if((err = ixgb_sw_init(adapter)))
+ err = ixgb_sw_init(adapter);
+ if (err)
goto err_sw_init;
netdev->features = NETIF_F_SG |
@@ -463,16 +433,13 @@ ixgb_probe(struct pci_dev *pdev,
NETIF_F_HW_VLAN_RX |
NETIF_F_HW_VLAN_FILTER;
netdev->features |= NETIF_F_TSO;
-#ifdef NETIF_F_LLTX
- netdev->features |= NETIF_F_LLTX;
-#endif
- if(pci_using_dac)
+ if (pci_using_dac)
netdev->features |= NETIF_F_HIGHDMA;
/* make sure the EEPROM is good */
- if(!ixgb_validate_eeprom_checksum(&adapter->hw)) {
+ if (!ixgb_validate_eeprom_checksum(&adapter->hw)) {
DPRINTK(PROBE, ERR, "The EEPROM Checksum Is Not Valid\n");
err = -EIO;
goto err_eeprom;
@@ -481,7 +448,7 @@ ixgb_probe(struct pci_dev *pdev,
ixgb_get_ee_mac_addr(&adapter->hw, netdev->dev_addr);
memcpy(netdev->perm_addr, netdev->dev_addr, netdev->addr_len);
- if(!is_valid_ether_addr(netdev->perm_addr)) {
+ if (!is_valid_ether_addr(netdev->perm_addr)) {
DPRINTK(PROBE, ERR, "Invalid MAC Address\n");
err = -EIO;
goto err_eeprom;
@@ -496,7 +463,8 @@ ixgb_probe(struct pci_dev *pdev,
INIT_WORK(&adapter->tx_timeout_task, ixgb_tx_timeout_task);
strcpy(netdev->name, "eth%d");
- if((err = register_netdev(netdev)))
+ err = register_netdev(netdev);
+ if (err)
goto err_register;
/* we're going to reset, so assume we have no link for now */
@@ -543,6 +511,8 @@ ixgb_remove(struct pci_dev *pdev)
struct net_device *netdev = pci_get_drvdata(pdev);
struct ixgb_adapter *adapter = netdev_priv(netdev);
+ flush_scheduled_work();
+
unregister_netdev(netdev);
iounmap(adapter->hw.hw_addr);
@@ -575,13 +545,13 @@ ixgb_sw_init(struct ixgb_adapter *adapter)
hw->subsystem_id = pdev->subsystem_device;
hw->max_frame_size = netdev->mtu + ENET_HEADER_SIZE + ENET_FCS_LENGTH;
- adapter->rx_buffer_len = hw->max_frame_size;
+ adapter->rx_buffer_len = hw->max_frame_size + 8; /* + 8 for errata */
- if((hw->device_id == IXGB_DEVICE_ID_82597EX)
+ if ((hw->device_id == IXGB_DEVICE_ID_82597EX)
|| (hw->device_id == IXGB_DEVICE_ID_82597EX_CX4)
|| (hw->device_id == IXGB_DEVICE_ID_82597EX_LR)
|| (hw->device_id == IXGB_DEVICE_ID_82597EX_SR))
- hw->mac_type = ixgb_82597;
+ hw->mac_type = ixgb_82597;
else {
/* should never have loaded on this device */
DPRINTK(PROBE, ERR, "unsupported device id\n");
@@ -590,8 +560,6 @@ ixgb_sw_init(struct ixgb_adapter *adapter)
/* enable flow control to be programmed */
hw->fc.send_xon = 1;
- spin_lock_init(&adapter->tx_lock);
-
set_bit(__IXGB_DOWN, &adapter->flags);
return 0;
}
@@ -616,16 +584,18 @@ ixgb_open(struct net_device *netdev)
int err;
/* allocate transmit descriptors */
-
- if((err = ixgb_setup_tx_resources(adapter)))
+ err = ixgb_setup_tx_resources(adapter);
+ if (err)
goto err_setup_tx;
/* allocate receive descriptors */
- if((err = ixgb_setup_rx_resources(adapter)))
+ err = ixgb_setup_rx_resources(adapter);
+ if (err)
goto err_setup_rx;
- if((err = ixgb_up(adapter)))
+ err = ixgb_up(adapter);
+ if (err)
goto err_up;
return 0;
@@ -681,7 +651,7 @@ ixgb_setup_tx_resources(struct ixgb_adapter *adapter)
size = sizeof(struct ixgb_buffer) * txdr->count;
txdr->buffer_info = vmalloc(size);
- if(!txdr->buffer_info) {
+ if (!txdr->buffer_info) {
DPRINTK(PROBE, ERR,
"Unable to allocate transmit descriptor ring memory\n");
return -ENOMEM;
@@ -694,7 +664,7 @@ ixgb_setup_tx_resources(struct ixgb_adapter *adapter)
txdr->size = ALIGN(txdr->size, 4096);
txdr->desc = pci_alloc_consistent(pdev, txdr->size, &txdr->dma);
- if(!txdr->desc) {
+ if (!txdr->desc) {
vfree(txdr->buffer_info);
DPRINTK(PROBE, ERR,
"Unable to allocate transmit descriptor memory\n");
@@ -723,8 +693,8 @@ ixgb_configure_tx(struct ixgb_adapter *adapter)
u32 tctl;
struct ixgb_hw *hw = &adapter->hw;
- /* Setup the Base and Length of the Tx Descriptor Ring
- * tx_ring.dma can be either a 32 or 64 bit value
+ /* Setup the Base and Length of the Tx Descriptor Ring
+ * tx_ring.dma can be either a 32 or 64 bit value
*/
IXGB_WRITE_REG(hw, TDBAL, (tdba & 0x00000000ffffffffULL));
@@ -750,8 +720,8 @@ ixgb_configure_tx(struct ixgb_adapter *adapter)
/* Setup Transmit Descriptor Settings for this adapter */
adapter->tx_cmd_type =
- IXGB_TX_DESC_TYPE
- | (adapter->tx_int_delay_enable ? IXGB_TX_DESC_CMD_IDE : 0);
+ IXGB_TX_DESC_TYPE |
+ (adapter->tx_int_delay_enable ? IXGB_TX_DESC_CMD_IDE : 0);
}
/**
@@ -770,7 +740,7 @@ ixgb_setup_rx_resources(struct ixgb_adapter *adapter)
size = sizeof(struct ixgb_buffer) * rxdr->count;
rxdr->buffer_info = vmalloc(size);
- if(!rxdr->buffer_info) {
+ if (!rxdr->buffer_info) {
DPRINTK(PROBE, ERR,
"Unable to allocate receive descriptor ring\n");
return -ENOMEM;
@@ -784,7 +754,7 @@ ixgb_setup_rx_resources(struct ixgb_adapter *adapter)
rxdr->desc = pci_alloc_consistent(pdev, rxdr->size, &rxdr->dma);
- if(!rxdr->desc) {
+ if (!rxdr->desc) {
vfree(rxdr->buffer_info);
DPRINTK(PROBE, ERR,
"Unable to allocate receive descriptors\n");
@@ -813,8 +783,8 @@ ixgb_setup_rctl(struct ixgb_adapter *adapter)
rctl &= ~(3 << IXGB_RCTL_MO_SHIFT);
rctl |=
- IXGB_RCTL_BAM | IXGB_RCTL_RDMTS_1_2 |
- IXGB_RCTL_RXEN | IXGB_RCTL_CFF |
+ IXGB_RCTL_BAM | IXGB_RCTL_RDMTS_1_2 |
+ IXGB_RCTL_RXEN | IXGB_RCTL_CFF |
(adapter->hw.mc_filter_type << IXGB_RCTL_MO_SHIFT);
rctl |= IXGB_RCTL_SECRC;
@@ -846,7 +816,6 @@ ixgb_configure_rx(struct ixgb_adapter *adapter)
struct ixgb_hw *hw = &adapter->hw;
u32 rctl;
u32 rxcsum;
- u32 rxdctl;
/* make sure receives are disabled while setting up the descriptors */
@@ -868,18 +837,12 @@ ixgb_configure_rx(struct ixgb_adapter *adapter)
IXGB_WRITE_REG(hw, RDH, 0);
IXGB_WRITE_REG(hw, RDT, 0);
- /* set up pre-fetching of receive buffers so we get some before we
- * run out (default hardware behavior is to run out before fetching
- * more). This sets up to fetch if HTHRESH rx descriptors are avail
- * and the descriptors in hw cache are below PTHRESH. This avoids
- * the hardware behavior of fetching <=512 descriptors in a single
- * burst that pre-empts all other activity, usually causing fifo
- * overflows. */
- /* use WTHRESH to burst write 16 descriptors or burst when RXT0 */
- rxdctl = RXDCTL_WTHRESH_DEFAULT << IXGB_RXDCTL_WTHRESH_SHIFT |
- RXDCTL_HTHRESH_DEFAULT << IXGB_RXDCTL_HTHRESH_SHIFT |
- RXDCTL_PTHRESH_DEFAULT << IXGB_RXDCTL_PTHRESH_SHIFT;
- IXGB_WRITE_REG(hw, RXDCTL, rxdctl);
+ /* due to the hardware errata with RXDCTL, we are unable to use any of
+ * the performance enhancing features of it without causing other
+ * subtle bugs, some of the bugs could include receive length
+ * corruption at high data rates (WTHRESH > 0) and/or receive
+ * descriptor ring irregularites (particularly in hardware cache) */
+ IXGB_WRITE_REG(hw, RXDCTL, 0);
/* Enable Receive Checksum Offload for TCP and UDP */
if (adapter->rx_csum) {
@@ -918,7 +881,7 @@ ixgb_free_tx_resources(struct ixgb_adapter *adapter)
static void
ixgb_unmap_and_free_tx_resource(struct ixgb_adapter *adapter,
- struct ixgb_buffer *buffer_info)
+ struct ixgb_buffer *buffer_info)
{
struct pci_dev *pdev = adapter->pdev;
@@ -926,8 +889,10 @@ ixgb_unmap_and_free_tx_resource(struct ixgb_adapter *adapter,
pci_unmap_page(pdev, buffer_info->dma, buffer_info->length,
PCI_DMA_TODEVICE);
+ /* okay to call kfree_skb here instead of kfree_skb_any because
+ * this is never called in interrupt context */
if (buffer_info->skb)
- dev_kfree_skb_any(buffer_info->skb);
+ dev_kfree_skb(buffer_info->skb);
buffer_info->skb = NULL;
buffer_info->dma = 0;
@@ -952,7 +917,7 @@ ixgb_clean_tx_ring(struct ixgb_adapter *adapter)
/* Free all the Tx ring sk_buffs */
- for(i = 0; i < tx_ring->count; i++) {
+ for (i = 0; i < tx_ring->count; i++) {
buffer_info = &tx_ring->buffer_info[i];
ixgb_unmap_and_free_tx_resource(adapter, buffer_info);
}
@@ -1010,9 +975,9 @@ ixgb_clean_rx_ring(struct ixgb_adapter *adapter)
/* Free all the Rx ring sk_buffs */
- for(i = 0; i < rx_ring->count; i++) {
+ for (i = 0; i < rx_ring->count; i++) {
buffer_info = &rx_ring->buffer_info[i];
- if(buffer_info->skb) {
+ if (buffer_info->skb) {
pci_unmap_single(pdev,
buffer_info->dma,
@@ -1053,7 +1018,7 @@ ixgb_set_mac(struct net_device *netdev, void *p)
struct ixgb_adapter *adapter = netdev_priv(netdev);
struct sockaddr *addr = p;
- if(!is_valid_ether_addr(addr->sa_data))
+ if (!is_valid_ether_addr(addr->sa_data))
return -EADDRNOTAVAIL;
memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
@@ -1086,16 +1051,20 @@ ixgb_set_multi(struct net_device *netdev)
rctl = IXGB_READ_REG(hw, RCTL);
- if(netdev->flags & IFF_PROMISC) {
+ if (netdev->flags & IFF_PROMISC) {
rctl |= (IXGB_RCTL_UPE | IXGB_RCTL_MPE);
- } else if(netdev->flags & IFF_ALLMULTI) {
- rctl |= IXGB_RCTL_MPE;
- rctl &= ~IXGB_RCTL_UPE;
+ rctl &= ~IXGB_RCTL_VFE;
} else {
- rctl &= ~(IXGB_RCTL_UPE | IXGB_RCTL_MPE);
+ if (netdev->flags & IFF_ALLMULTI) {
+ rctl |= IXGB_RCTL_MPE;
+ rctl &= ~IXGB_RCTL_UPE;
+ } else {
+ rctl &= ~(IXGB_RCTL_UPE | IXGB_RCTL_MPE);
+ }
+ rctl |= IXGB_RCTL_VFE;
}
- if(netdev->mc_count > IXGB_MAX_NUM_MULTICAST_ADDRESSES) {
+ if (netdev->mc_count > IXGB_MAX_NUM_MULTICAST_ADDRESSES) {
rctl |= IXGB_RCTL_MPE;
IXGB_WRITE_REG(hw, RCTL, rctl);
} else {
@@ -1104,10 +1073,11 @@ ixgb_set_multi(struct net_device *netdev)
IXGB_WRITE_REG(hw, RCTL, rctl);
- for(i = 0, mc_ptr = netdev->mc_list; mc_ptr;
- i++, mc_ptr = mc_ptr->next)
+ for (i = 0, mc_ptr = netdev->mc_list;
+ mc_ptr;
+ i++, mc_ptr = mc_ptr->next)
memcpy(&mta[i * IXGB_ETH_LENGTH_OF_ADDRESS],
- mc_ptr->dmi_addr, IXGB_ETH_LENGTH_OF_ADDRESS);
+ mc_ptr->dmi_addr, IXGB_ETH_LENGTH_OF_ADDRESS);
ixgb_mc_addr_list_update(hw, mta, netdev->mc_count, 0);
}
@@ -1132,8 +1102,8 @@ ixgb_watchdog(unsigned long data)
netif_stop_queue(netdev);
}
- if(adapter->hw.link_up) {
- if(!netif_carrier_ok(netdev)) {
+ if (adapter->hw.link_up) {
+ if (!netif_carrier_ok(netdev)) {
DPRINTK(LINK, INFO,
"NIC Link is Up 10000 Mbps Full Duplex\n");
adapter->link_speed = 10000;
@@ -1142,7 +1112,7 @@ ixgb_watchdog(unsigned long data)
netif_wake_queue(netdev);
}
} else {
- if(netif_carrier_ok(netdev)) {
+ if (netif_carrier_ok(netdev)) {
adapter->link_speed = 0;
adapter->link_duplex = 0;
DPRINTK(LINK, INFO, "NIC Link is Down\n");
@@ -1154,8 +1124,8 @@ ixgb_watchdog(unsigned long data)
ixgb_update_stats(adapter);
- if(!netif_carrier_ok(netdev)) {
- if(IXGB_DESC_UNUSED(txdr) + 1 < txdr->count) {
+ if (!netif_carrier_ok(netdev)) {
+ if (IXGB_DESC_UNUSED(txdr) + 1 < txdr->count) {
/* We've lost link, so the controller stops DMA,
* but we've got queued Tx work that's never going
* to get done, so reset controller to flush Tx.
@@ -1227,7 +1197,7 @@ ixgb_tso(struct ixgb_adapter *adapter, struct sk_buff *skb)
context_desc->hdr_len = hdr_len;
context_desc->status = 0;
context_desc->cmd_type_len = cpu_to_le32(
- IXGB_CONTEXT_DESC_TYPE
+ IXGB_CONTEXT_DESC_TYPE
| IXGB_CONTEXT_DESC_CMD_TSE
| IXGB_CONTEXT_DESC_CMD_IP
| IXGB_CONTEXT_DESC_CMD_TCP
@@ -1235,7 +1205,7 @@ ixgb_tso(struct ixgb_adapter *adapter, struct sk_buff *skb)
| (skb->len - (hdr_len)));
- if(++i == adapter->tx_ring.count) i = 0;
+ if (++i == adapter->tx_ring.count) i = 0;
adapter->tx_ring.next_to_use = i;
return 1;
@@ -1251,7 +1221,7 @@ ixgb_tx_csum(struct ixgb_adapter *adapter, struct sk_buff *skb)
unsigned int i;
u8 css, cso;
- if(likely(skb->ip_summed == CHECKSUM_PARTIAL)) {
+ if (likely(skb->ip_summed == CHECKSUM_PARTIAL)) {
struct ixgb_buffer *buffer_info;
css = skb_transport_offset(skb);
cso = css + skb->csum_offset;
@@ -1273,7 +1243,7 @@ ixgb_tx_csum(struct ixgb_adapter *adapter, struct sk_buff *skb)
cpu_to_le32(IXGB_CONTEXT_DESC_TYPE
| IXGB_TX_DESC_CMD_IDE);
- if(++i == adapter->tx_ring.count) i = 0;
+ if (++i == adapter->tx_ring.count) i = 0;
adapter->tx_ring.next_to_use = i;
return true;
@@ -1302,7 +1272,7 @@ ixgb_tx_map(struct ixgb_adapter *adapter, struct sk_buff *skb,
i = tx_ring->next_to_use;
- while(len) {
+ while (len) {
buffer_info = &tx_ring->buffer_info[i];
size = min(len, IXGB_MAX_DATA_PER_TXD);
/* Workaround for premature desc write-backs
@@ -1312,28 +1282,28 @@ ixgb_tx_map(struct ixgb_adapter *adapter, struct sk_buff *skb,
buffer_info->length = size;
WARN_ON(buffer_info->dma != 0);
+ buffer_info->time_stamp = jiffies;
buffer_info->dma =
pci_map_single(adapter->pdev,
skb->data + offset,
size,
PCI_DMA_TODEVICE);
- buffer_info->time_stamp = jiffies;
buffer_info->next_to_watch = 0;
len -= size;
offset += size;
count++;
- if(++i == tx_ring->count) i = 0;
+ if (++i == tx_ring->count) i = 0;
}
- for(f = 0; f < nr_frags; f++) {
+ for (f = 0; f < nr_frags; f++) {
struct skb_frag_struct *frag;
frag = &skb_shinfo(skb)->frags[f];
len = frag->size;
offset = 0;
- while(len) {
+ while (len) {
buffer_info = &tx_ring->buffer_info[i];
size = min(len, IXGB_MAX_DATA_PER_TXD);
@@ -1344,19 +1314,19 @@ ixgb_tx_map(struct ixgb_adapter *adapter, struct sk_buff *skb,
size -= 4;
buffer_info->length = size;
+ buffer_info->time_stamp = jiffies;
buffer_info->dma =
pci_map_page(adapter->pdev,
frag->page,
frag->page_offset + offset,
size,
PCI_DMA_TODEVICE);
- buffer_info->time_stamp = jiffies;
buffer_info->next_to_watch = 0;
len -= size;
offset += size;
count++;
- if(++i == tx_ring->count) i = 0;
+ if (++i == tx_ring->count) i = 0;
}
}
i = (i == 0) ? tx_ring->count - 1 : i - 1;
@@ -1377,21 +1347,20 @@ ixgb_tx_queue(struct ixgb_adapter *adapter, int count, int vlan_id,int tx_flags)
u8 popts = 0;
unsigned int i;
- if(tx_flags & IXGB_TX_FLAGS_TSO) {
+ if (tx_flags & IXGB_TX_FLAGS_TSO) {
cmd_type_len |= IXGB_TX_DESC_CMD_TSE;
popts |= (IXGB_TX_DESC_POPTS_IXSM | IXGB_TX_DESC_POPTS_TXSM);
}
- if(tx_flags & IXGB_TX_FLAGS_CSUM)
+ if (tx_flags & IXGB_TX_FLAGS_CSUM)
popts |= IXGB_TX_DESC_POPTS_TXSM;
- if(tx_flags & IXGB_TX_FLAGS_VLAN) {
+ if (tx_flags & IXGB_TX_FLAGS_VLAN)
cmd_type_len |= IXGB_TX_DESC_CMD_VLE;
- }
i = tx_ring->next_to_use;
- while(count--) {
+ while (count--) {
buffer_info = &tx_ring->buffer_info[i];
tx_desc = IXGB_TX_DESC(*tx_ring, i);
tx_desc->buff_addr = cpu_to_le64(buffer_info->dma);
@@ -1401,11 +1370,11 @@ ixgb_tx_queue(struct ixgb_adapter *adapter, int count, int vlan_id,int tx_flags)
tx_desc->popts = popts;
tx_desc->vlan = cpu_to_le16(vlan_id);
- if(++i == tx_ring->count) i = 0;
+ if (++i == tx_ring->count) i = 0;
}
- tx_desc->cmd_type_len |= cpu_to_le32(IXGB_TX_DESC_CMD_EOP
- | IXGB_TX_DESC_CMD_RS );
+ tx_desc->cmd_type_len |=
+ cpu_to_le32(IXGB_TX_DESC_CMD_EOP | IXGB_TX_DESC_CMD_RS);
/* Force memory writes to complete before letting h/w
* know there are new descriptors to fetch. (Only
@@ -1461,7 +1430,6 @@ ixgb_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
struct ixgb_adapter *adapter = netdev_priv(netdev);
unsigned int first;
unsigned int tx_flags = 0;
- unsigned long flags;
int vlan_id = 0;
int tso;
@@ -1470,51 +1438,31 @@ ixgb_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
return NETDEV_TX_OK;
}
- if(skb->len <= 0) {
- dev_kfree_skb_any(skb);
+ if (skb->len <= 0) {
+ dev_kfree_skb(skb);
return 0;
}
-#ifdef NETIF_F_LLTX
- if (!spin_trylock_irqsave(&adapter->tx_lock, flags)) {
- /* Collision - tell upper layer to requeue */
- local_irq_restore(flags);
- return NETDEV_TX_LOCKED;
- }
-#else
- spin_lock_irqsave(&adapter->tx_lock, flags);
-#endif
-
if (unlikely(ixgb_maybe_stop_tx(netdev, &adapter->tx_ring,
- DESC_NEEDED))) {
- netif_stop_queue(netdev);
- spin_unlock_irqrestore(&adapter->tx_lock, flags);
+ DESC_NEEDED)))
return NETDEV_TX_BUSY;
- }
-
-#ifndef NETIF_F_LLTX
- spin_unlock_irqrestore(&adapter->tx_lock, flags);
-#endif
- if(adapter->vlgrp && vlan_tx_tag_present(skb)) {
+ if (adapter->vlgrp && vlan_tx_tag_present(skb)) {
tx_flags |= IXGB_TX_FLAGS_VLAN;
vlan_id = vlan_tx_tag_get(skb);
}
first = adapter->tx_ring.next_to_use;
-
+
tso = ixgb_tso(adapter, skb);
if (tso < 0) {
- dev_kfree_skb_any(skb);
-#ifdef NETIF_F_LLTX
- spin_unlock_irqrestore(&adapter->tx_lock, flags);
-#endif
+ dev_kfree_skb(skb);
return NETDEV_TX_OK;
}
if (likely(tso))
tx_flags |= IXGB_TX_FLAGS_TSO;
- else if(ixgb_tx_csum(adapter, skb))
+ else if (ixgb_tx_csum(adapter, skb))
tx_flags |= IXGB_TX_FLAGS_CSUM;
ixgb_tx_queue(adapter, ixgb_tx_map(adapter, skb, first), vlan_id,
@@ -1522,13 +1470,9 @@ ixgb_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
netdev->trans_start = jiffies;
-#ifdef NETIF_F_LLTX
/* Make sure there is space in the ring for the next send. */
ixgb_maybe_stop_tx(netdev, &adapter->tx_ring, DESC_NEEDED);
- spin_unlock_irqrestore(&adapter->tx_lock, flags);
-
-#endif
return NETDEV_TX_OK;
}
@@ -1588,21 +1532,25 @@ ixgb_change_mtu(struct net_device *netdev, int new_mtu)
int max_frame = new_mtu + ENET_HEADER_SIZE + ENET_FCS_LENGTH;
int old_max_frame = netdev->mtu + ENET_HEADER_SIZE + ENET_FCS_LENGTH;
-
- if((max_frame < IXGB_MIN_ENET_FRAME_SIZE_WITHOUT_FCS + ENET_FCS_LENGTH)
- || (max_frame > IXGB_MAX_JUMBO_FRAME_SIZE + ENET_FCS_LENGTH)) {
+ /* MTU < 68 is an error for IPv4 traffic, just don't allow it */
+ if ((new_mtu < 68) ||
+ (max_frame > IXGB_MAX_JUMBO_FRAME_SIZE + ENET_FCS_LENGTH)) {
DPRINTK(PROBE, ERR, "Invalid MTU setting %d\n", new_mtu);
return -EINVAL;
}
- adapter->rx_buffer_len = max_frame;
+ if (old_max_frame == max_frame)
+ return 0;
+
+ if (netif_running(netdev))
+ ixgb_down(adapter, true);
+
+ adapter->rx_buffer_len = max_frame + 8; /* + 8 for errata */
netdev->mtu = new_mtu;
- if ((old_max_frame != max_frame) && netif_running(netdev)) {
- ixgb_down(adapter, true);
+ if (netif_running(netdev))
ixgb_up(adapter);
- }
return 0;
}
@@ -1622,21 +1570,21 @@ ixgb_update_stats(struct ixgb_adapter *adapter)
if (pci_channel_offline(pdev))
return;
- if((netdev->flags & IFF_PROMISC) || (netdev->flags & IFF_ALLMULTI) ||
+ if ((netdev->flags & IFF_PROMISC) || (netdev->flags & IFF_ALLMULTI) ||
(netdev->mc_count > IXGB_MAX_NUM_MULTICAST_ADDRESSES)) {
u64 multi = IXGB_READ_REG(&adapter->hw, MPRCL);
u32 bcast_l = IXGB_READ_REG(&adapter->hw, BPRCL);
u32 bcast_h = IXGB_READ_REG(&adapter->hw, BPRCH);
- u64 bcast = ((u64)bcast_h << 32) | bcast_l;
+ u64 bcast = ((u64)bcast_h << 32) | bcast_l;
multi |= ((u64)IXGB_READ_REG(&adapter->hw, MPRCH) << 32);
/* fix up multicast stats by removing broadcasts */
- if(multi >= bcast)
+ if (multi >= bcast)
multi -= bcast;
-
+
adapter->stats.mprcl += (multi & 0xFFFFFFFF);
adapter->stats.mprch += (multi >> 32);
- adapter->stats.bprcl += bcast_l;
+ adapter->stats.bprcl += bcast_l;
adapter->stats.bprch += bcast_h;
} else {
adapter->stats.mprcl += IXGB_READ_REG(&adapter->hw, MPRCL);
@@ -1751,41 +1699,26 @@ ixgb_intr(int irq, void *data)
struct ixgb_adapter *adapter = netdev_priv(netdev);
struct ixgb_hw *hw = &adapter->hw;
u32 icr = IXGB_READ_REG(hw, ICR);
-#ifndef CONFIG_IXGB_NAPI
- unsigned int i;
-#endif
- if(unlikely(!icr))
+ if (unlikely(!icr))
return IRQ_NONE; /* Not our interrupt */
if (unlikely(icr & (IXGB_INT_RXSEQ | IXGB_INT_LSC)))
if (!test_bit(__IXGB_DOWN, &adapter->flags))
mod_timer(&adapter->watchdog_timer, jiffies);
-#ifdef CONFIG_IXGB_NAPI
if (netif_rx_schedule_prep(netdev, &adapter->napi)) {
- /* Disable interrupts and register for poll. The flush
+ /* Disable interrupts and register for poll. The flush
of the posted write is intentionally left out.
*/
IXGB_WRITE_REG(&adapter->hw, IMC, ~0);
__netif_rx_schedule(netdev, &adapter->napi);
}
-#else
- /* yes, that is actually a & and it is meant to make sure that
- * every pass through this for loop checks both receive and
- * transmit queues for completed descriptors, intended to
- * avoid starvation issues and assist tx/rx fairness. */
- for(i = 0; i < IXGB_MAX_INTR; i++)
- if(!ixgb_clean_rx_irq(adapter) &
- !ixgb_clean_tx_irq(adapter))
- break;
-#endif
return IRQ_HANDLED;
}
-#ifdef CONFIG_IXGB_NAPI
/**
* ixgb_clean - NAPI Rx polling callback
* @adapter: board private structure
@@ -1804,12 +1737,12 @@ ixgb_clean(struct napi_struct *napi, int budget)
/* If budget not fully consumed, exit the polling mode */
if (work_done < budget) {
netif_rx_complete(netdev, napi);
- ixgb_irq_enable(adapter);
+ if (!test_bit(__IXGB_DOWN, &adapter->flags))
+ ixgb_irq_enable(adapter);
}
return work_done;
}
-#endif
/**
* ixgb_clean_tx_irq - Reclaim resources after transmit completes
@@ -1830,15 +1763,15 @@ ixgb_clean_tx_irq(struct ixgb_adapter *adapter)
eop = tx_ring->buffer_info[i].next_to_watch;
eop_desc = IXGB_TX_DESC(*tx_ring, eop);
- while(eop_desc->status & IXGB_TX_DESC_STATUS_DD) {
+ while (eop_desc->status & IXGB_TX_DESC_STATUS_DD) {
for (cleaned = false; !cleaned; ) {
tx_desc = IXGB_TX_DESC(*tx_ring, i);
buffer_info = &tx_ring->buffer_info[i];
- if (tx_desc->popts
- & (IXGB_TX_DESC_POPTS_TXSM |
- IXGB_TX_DESC_POPTS_IXSM))
+ if (tx_desc->popts &
+ (IXGB_TX_DESC_POPTS_TXSM |
+ IXGB_TX_DESC_POPTS_IXSM))
adapter->hw_csum_tx_good++;
ixgb_unmap_and_free_tx_resource(adapter, buffer_info);
@@ -1846,7 +1779,7 @@ ixgb_clean_tx_irq(struct ixgb_adapter *adapter)
*(u32 *)&(tx_desc->status) = 0;
cleaned = (i == eop);
- if(++i == tx_ring->count) i = 0;
+ if (++i == tx_ring->count) i = 0;
}
eop = tx_ring->buffer_info[i].next_to_watch;
@@ -1855,15 +1788,20 @@ ixgb_clean_tx_irq(struct ixgb_adapter *adapter)
tx_ring->next_to_clean = i;
- if (unlikely(netif_queue_stopped(netdev))) {
- spin_lock(&adapter->tx_lock);
- if (netif_queue_stopped(netdev) && netif_carrier_ok(netdev) &&
- (IXGB_DESC_UNUSED(tx_ring) >= DESC_NEEDED))
+ if (unlikely(cleaned && netif_carrier_ok(netdev) &&
+ IXGB_DESC_UNUSED(tx_ring) >= DESC_NEEDED)) {
+ /* Make sure that anybody stopping the queue after this
+ * sees the new next_to_clean. */
+ smp_mb();
+
+ if (netif_queue_stopped(netdev) &&
+ !(test_bit(__IXGB_DOWN, &adapter->flags))) {
netif_wake_queue(netdev);
- spin_unlock(&adapter->tx_lock);
+ ++adapter->restart_queue;
+ }
}
- if(adapter->detect_tx_hung) {
+ if (adapter->detect_tx_hung) {
/* detect a transmit hang in hardware, this serializes the
* check with the clearing of time_stamp and movement of i */
adapter->detect_tx_hung = false;
@@ -1906,13 +1844,13 @@ ixgb_clean_tx_irq(struct ixgb_adapter *adapter)
static void
ixgb_rx_checksum(struct ixgb_adapter *adapter,
- struct ixgb_rx_desc *rx_desc,
- struct sk_buff *skb)
+ struct ixgb_rx_desc *rx_desc,
+ struct sk_buff *skb)
{
/* Ignore Checksum bit is set OR
* TCP Checksum has not been calculated
*/
- if((rx_desc->status & IXGB_RX_DESC_STATUS_IXSM) ||
+ if ((rx_desc->status & IXGB_RX_DESC_STATUS_IXSM) ||
(!(rx_desc->status & IXGB_RX_DESC_STATUS_TCPCS))) {
skb->ip_summed = CHECKSUM_NONE;
return;
@@ -1920,7 +1858,7 @@ ixgb_rx_checksum(struct ixgb_adapter *adapter,
/* At this point we know the hardware did the TCP checksum */
/* now look at the TCP checksum error bit */
- if(rx_desc->errors & IXGB_RX_DESC_ERRORS_TCPE) {
+ if (rx_desc->errors & IXGB_RX_DESC_ERRORS_TCPE) {
/* let the stack verify checksum errors */
skb->ip_summed = CHECKSUM_NONE;
adapter->hw_csum_rx_error++;
@@ -1937,11 +1875,7 @@ ixgb_rx_checksum(struct ixgb_adapter *adapter,
**/
static bool
-#ifdef CONFIG_IXGB_NAPI
ixgb_clean_rx_irq(struct ixgb_adapter *adapter, int *work_done, int work_to_do)
-#else
-ixgb_clean_rx_irq(struct ixgb_adapter *adapter)
-#endif
{
struct ixgb_desc_ring *rx_ring = &adapter->rx_ring;
struct net_device *netdev = adapter->netdev;
@@ -1950,50 +1884,50 @@ ixgb_clean_rx_irq(struct ixgb_adapter *adapter)
struct ixgb_buffer *buffer_info, *next_buffer, *next2_buffer;
u32 length;
unsigned int i, j;
+ int cleaned_count = 0;
bool cleaned = false;
i = rx_ring->next_to_clean;
rx_desc = IXGB_RX_DESC(*rx_ring, i);
buffer_info = &rx_ring->buffer_info[i];
- while(rx_desc->status & IXGB_RX_DESC_STATUS_DD) {
- struct sk_buff *skb, *next_skb;
+ while (rx_desc->status & IXGB_RX_DESC_STATUS_DD) {
+ struct sk_buff *skb;
u8 status;
-#ifdef CONFIG_IXGB_NAPI
- if(*work_done >= work_to_do)
+ if (*work_done >= work_to_do)
break;
(*work_done)++;
-#endif
status = rx_desc->status;
skb = buffer_info->skb;
buffer_info->skb = NULL;
- prefetch(skb->data);
+ prefetch(skb->data - NET_IP_ALIGN);
- if(++i == rx_ring->count) i = 0;
+ if (++i == rx_ring->count) i = 0;
next_rxd = IXGB_RX_DESC(*rx_ring, i);
prefetch(next_rxd);
- if((j = i + 1) == rx_ring->count) j = 0;
+ if ((j = i + 1) == rx_ring->count) j = 0;
next2_buffer = &rx_ring->buffer_info[j];
prefetch(next2_buffer);
next_buffer = &rx_ring->buffer_info[i];
- next_skb = next_buffer->skb;
- prefetch(next_skb);
cleaned = true;
+ cleaned_count++;
pci_unmap_single(pdev,
buffer_info->dma,
buffer_info->length,
PCI_DMA_FROMDEVICE);
+ buffer_info->dma = 0;
length = le16_to_cpu(rx_desc->length);
+ rx_desc->length = 0;
- if(unlikely(!(status & IXGB_RX_DESC_STATUS_EOP))) {
+ if (unlikely(!(status & IXGB_RX_DESC_STATUS_EOP))) {
/* All receives must fit into a single buffer */
@@ -2004,11 +1938,9 @@ ixgb_clean_rx_irq(struct ixgb_adapter *adapter)
goto rxdesc_done;
}
- if (unlikely(rx_desc->errors
- & (IXGB_RX_DESC_ERRORS_CE | IXGB_RX_DESC_ERRORS_SE
- | IXGB_RX_DESC_ERRORS_P |
- IXGB_RX_DESC_ERRORS_RXE))) {
-
+ if (unlikely(rx_desc->errors &
+ (IXGB_RX_DESC_ERRORS_CE | IXGB_RX_DESC_ERRORS_SE |
+ IXGB_RX_DESC_ERRORS_P | IXGB_RX_DESC_ERRORS_RXE))) {
dev_kfree_skb_irq(skb);
goto rxdesc_done;
}
@@ -2016,8 +1948,7 @@ ixgb_clean_rx_irq(struct ixgb_adapter *adapter)
/* code added for copybreak, this should improve
* performance for small packets with large amounts
* of reassembly being done in the stack */
-#define IXGB_CB_LENGTH 256
- if (length < IXGB_CB_LENGTH) {
+ if (length < copybreak) {
struct sk_buff *new_skb =
netdev_alloc_skb(netdev, length + NET_IP_ALIGN);
if (new_skb) {
@@ -2042,29 +1973,24 @@ ixgb_clean_rx_irq(struct ixgb_adapter *adapter)
ixgb_rx_checksum(adapter, rx_desc, skb);
skb->protocol = eth_type_trans(skb, netdev);
-#ifdef CONFIG_IXGB_NAPI
- if(adapter->vlgrp && (status & IXGB_RX_DESC_STATUS_VP)) {
+ if (adapter->vlgrp && (status & IXGB_RX_DESC_STATUS_VP)) {
vlan_hwaccel_receive_skb(skb, adapter->vlgrp,
- le16_to_cpu(rx_desc->special) &
- IXGB_RX_DESC_SPECIAL_VLAN_MASK);
+ le16_to_cpu(rx_desc->special));
} else {
netif_receive_skb(skb);
}
-#else /* CONFIG_IXGB_NAPI */
- if(adapter->vlgrp && (status & IXGB_RX_DESC_STATUS_VP)) {
- vlan_hwaccel_rx(skb, adapter->vlgrp,
- le16_to_cpu(rx_desc->special) &
- IXGB_RX_DESC_SPECIAL_VLAN_MASK);
- } else {
- netif_rx(skb);
- }
-#endif /* CONFIG_IXGB_NAPI */
netdev->last_rx = jiffies;
rxdesc_done:
/* clean up descriptor, might be written over by hw */
rx_desc->status = 0;
+ /* return some buffers to hardware, one at a time is too slow */
+ if (unlikely(cleaned_count >= IXGB_RX_BUFFER_WRITE)) {
+ ixgb_alloc_rx_buffers(adapter, cleaned_count);
+ cleaned_count = 0;
+ }
+
/* use prefetched values */
rx_desc = next_rxd;
buffer_info = next_buffer;
@@ -2072,7 +1998,9 @@ rxdesc_done:
rx_ring->next_to_clean = i;
- ixgb_alloc_rx_buffers(adapter);
+ cleaned_count = IXGB_DESC_UNUSED(rx_ring);
+ if (cleaned_count)
+ ixgb_alloc_rx_buffers(adapter, cleaned_count);
return cleaned;
}
@@ -2083,7 +2011,7 @@ rxdesc_done:
**/
static void
-ixgb_alloc_rx_buffers(struct ixgb_adapter *adapter)
+ixgb_alloc_rx_buffers(struct ixgb_adapter *adapter, int cleaned_count)
{
struct ixgb_desc_ring *rx_ring = &adapter->rx_ring;
struct net_device *netdev = adapter->netdev;
@@ -2100,7 +2028,7 @@ ixgb_alloc_rx_buffers(struct ixgb_adapter *adapter)
/* leave three descriptors unused */
- while(--cleancount > 2) {
+ while (--cleancount > 2 && cleaned_count--) {
/* recycle! its good for you */
skb = buffer_info->skb;
if (skb) {
@@ -2133,12 +2061,12 @@ map_skb:
rx_desc = IXGB_RX_DESC(*rx_ring, i);
rx_desc->buff_addr = cpu_to_le64(buffer_info->dma);
/* guarantee DD bit not set now before h/w gets descriptor
- * this is the rest of the workaround for h/w double
+ * this is the rest of the workaround for h/w double
* writeback. */
rx_desc->status = 0;
- if(++i == rx_ring->count) i = 0;
+ if (++i == rx_ring->count) i = 0;
buffer_info = &rx_ring->buffer_info[i];
}
@@ -2158,7 +2086,7 @@ map_skb:
/**
* ixgb_vlan_rx_register - enables or disables vlan tagging/stripping.
- *
+ *
* @param netdev network interface device structure
* @param grp indicates to enable or disable tagging/stripping
**/
@@ -2171,7 +2099,7 @@ ixgb_vlan_rx_register(struct net_device *netdev, struct vlan_group *grp)
ixgb_irq_disable(adapter);
adapter->vlgrp = grp;
- if(grp) {
+ if (grp) {
/* enable VLAN tag insert/strip */
ctrl = IXGB_READ_REG(&adapter->hw, CTRL0);
ctrl |= IXGB_CTRL0_VME;
@@ -2180,7 +2108,6 @@ ixgb_vlan_rx_register(struct net_device *netdev, struct vlan_group *grp)
/* enable VLAN receive filtering */
rctl = IXGB_READ_REG(&adapter->hw, RCTL);
- rctl |= IXGB_RCTL_VFE;
rctl &= ~IXGB_RCTL_CFIEN;
IXGB_WRITE_REG(&adapter->hw, RCTL, rctl);
} else {
@@ -2189,12 +2116,6 @@ ixgb_vlan_rx_register(struct net_device *netdev, struct vlan_group *grp)
ctrl = IXGB_READ_REG(&adapter->hw, CTRL0);
ctrl &= ~IXGB_CTRL0_VME;
IXGB_WRITE_REG(&adapter->hw, CTRL0, ctrl);
-
- /* disable VLAN filtering */
-
- rctl = IXGB_READ_REG(&adapter->hw, RCTL);
- rctl &= ~IXGB_RCTL_VFE;
- IXGB_WRITE_REG(&adapter->hw, RCTL, rctl);
}
/* don't enable interrupts unless we are UP */
@@ -2243,10 +2164,10 @@ ixgb_restore_vlan(struct ixgb_adapter *adapter)
{
ixgb_vlan_rx_register(adapter->netdev, adapter->vlgrp);
- if(adapter->vlgrp) {
+ if (adapter->vlgrp) {
u16 vid;
- for(vid = 0; vid < VLAN_GROUP_ARRAY_LEN; vid++) {
- if(!vlan_group_get_device(adapter->vlgrp, vid))
+ for (vid = 0; vid < VLAN_GROUP_ARRAY_LEN; vid++) {
+ if (!vlan_group_get_device(adapter->vlgrp, vid))
continue;
ixgb_vlan_rx_add_vid(adapter->netdev, vid);
}
@@ -2278,13 +2199,13 @@ static void ixgb_netpoll(struct net_device *dev)
* This callback is called by the PCI subsystem whenever
* a PCI bus error is detected.
*/
-static pci_ers_result_t ixgb_io_error_detected (struct pci_dev *pdev,
- enum pci_channel_state state)
+static pci_ers_result_t ixgb_io_error_detected(struct pci_dev *pdev,
+ enum pci_channel_state state)
{
struct net_device *netdev = pci_get_drvdata(pdev);
struct ixgb_adapter *adapter = netdev_priv(netdev);
- if(netif_running(netdev))
+ if (netif_running(netdev))
ixgb_down(adapter, true);
pci_disable_device(pdev);
@@ -2297,17 +2218,17 @@ static pci_ers_result_t ixgb_io_error_detected (struct pci_dev *pdev,
* ixgb_io_slot_reset - called after the pci bus has been reset.
* @pdev pointer to pci device with error
*
- * This callback is called after the PCI buss has been reset.
+ * This callback is called after the PCI bus has been reset.
* Basically, this tries to restart the card from scratch.
* This is a shortened version of the device probe/discovery code,
* it resembles the first-half of the ixgb_probe() routine.
*/
-static pci_ers_result_t ixgb_io_slot_reset (struct pci_dev *pdev)
+static pci_ers_result_t ixgb_io_slot_reset(struct pci_dev *pdev)
{
struct net_device *netdev = pci_get_drvdata(pdev);
struct ixgb_adapter *adapter = netdev_priv(netdev);
- if(pci_enable_device(pdev)) {
+ if (pci_enable_device(pdev)) {
DPRINTK(PROBE, ERR, "Cannot re-enable PCI device after reset.\n");
return PCI_ERS_RESULT_DISCONNECT;
}
@@ -2323,14 +2244,14 @@ static pci_ers_result_t ixgb_io_slot_reset (struct pci_dev *pdev)
ixgb_reset(adapter);
/* Make sure the EEPROM is good */
- if(!ixgb_validate_eeprom_checksum(&adapter->hw)) {
+ if (!ixgb_validate_eeprom_checksum(&adapter->hw)) {
DPRINTK(PROBE, ERR, "After reset, the EEPROM checksum is not valid.\n");
return PCI_ERS_RESULT_DISCONNECT;
}
ixgb_get_ee_mac_addr(&adapter->hw, netdev->dev_addr);
memcpy(netdev->perm_addr, netdev->dev_addr, netdev->addr_len);
- if(!is_valid_ether_addr(netdev->perm_addr)) {
+ if (!is_valid_ether_addr(netdev->perm_addr)) {
DPRINTK(PROBE, ERR, "After reset, invalid MAC address.\n");
return PCI_ERS_RESULT_DISCONNECT;
}
@@ -2346,15 +2267,15 @@ static pci_ers_result_t ixgb_io_slot_reset (struct pci_dev *pdev)
* normal operation. Implementation resembles the second-half
* of the ixgb_probe() routine.
*/
-static void ixgb_io_resume (struct pci_dev *pdev)
+static void ixgb_io_resume(struct pci_dev *pdev)
{
struct net_device *netdev = pci_get_drvdata(pdev);
struct ixgb_adapter *adapter = netdev_priv(netdev);
pci_set_master(pdev);
- if(netif_running(netdev)) {
- if(ixgb_up(adapter)) {
+ if (netif_running(netdev)) {
+ if (ixgb_up(adapter)) {
printk ("ixgb: can't bring device back up after reset\n");
return;
}
diff --git a/drivers/net/ixgb/ixgb_osdep.h b/drivers/net/ixgb/ixgb_osdep.h
index 4be1b273e1b8..d92e72bd627a 100644
--- a/drivers/net/ixgb/ixgb_osdep.h
+++ b/drivers/net/ixgb/ixgb_osdep.h
@@ -1,7 +1,7 @@
/*******************************************************************************
Intel PRO/10GbE Linux driver
- Copyright(c) 1999 - 2006 Intel Corporation.
+ Copyright(c) 1999 - 2008 Intel Corporation.
This program is free software; you can redistribute it and/or modify it
under the terms and conditions of the GNU General Public License,
@@ -40,7 +40,7 @@
#include <linux/sched.h>
#undef ASSERT
-#define ASSERT(x) if(!(x)) BUG()
+#define ASSERT(x) if (!(x)) BUG()
#define MSGOUT(S, A, B) printk(KERN_DEBUG S "\n", A, B)
#ifdef DBG
diff --git a/drivers/net/ixgb/ixgb_param.c b/drivers/net/ixgb/ixgb_param.c
index 865d14d6e5a7..af35e1ddadd6 100644
--- a/drivers/net/ixgb/ixgb_param.c
+++ b/drivers/net/ixgb/ixgb_param.c
@@ -1,7 +1,7 @@
/*******************************************************************************
Intel PRO/10GbE Linux driver
- Copyright(c) 1999 - 2006 Intel Corporation.
+ Copyright(c) 1999 - 2008 Intel Corporation.
This program is free software; you can redistribute it and/or modify it
under the terms and conditions of the GNU General Public License,
@@ -136,7 +136,7 @@ IXGB_PARAM(RxFCLowThresh, "Receive Flow Control Low Threshold");
/* Flow control request timeout (how long to pause the link partner's tx)
* (PAP 15:0)
*
- * Valid Range: 1 - 65535
+ * Valid Range: 1 - 65535
*
* Default Value: 65535 (0xffff) (we'll send an xon if we recover)
*/
@@ -200,7 +200,7 @@ struct ixgb_option {
static int __devinit
ixgb_validate_option(unsigned int *value, const struct ixgb_option *opt)
{
- if(*value == OPTION_UNSET) {
+ if (*value == OPTION_UNSET) {
*value = opt->def;
return 0;
}
@@ -217,7 +217,7 @@ ixgb_validate_option(unsigned int *value, const struct ixgb_option *opt)
}
break;
case range_option:
- if(*value >= opt->arg.r.min && *value <= opt->arg.r.max) {
+ if (*value >= opt->arg.r.min && *value <= opt->arg.r.max) {
printk(KERN_INFO "%s set to %i\n", opt->name, *value);
return 0;
}
@@ -226,10 +226,10 @@ ixgb_validate_option(unsigned int *value, const struct ixgb_option *opt)
int i;
struct ixgb_opt_list *ent;
- for(i = 0; i < opt->arg.l.nr; i++) {
+ for (i = 0; i < opt->arg.l.nr; i++) {
ent = &opt->arg.l.p[i];
- if(*value == ent->i) {
- if(ent->str[0] != '\0')
+ if (*value == ent->i) {
+ if (ent->str[0] != '\0')
printk(KERN_INFO "%s\n", ent->str);
return 0;
}
@@ -260,7 +260,7 @@ void __devinit
ixgb_check_options(struct ixgb_adapter *adapter)
{
int bd = adapter->bd_number;
- if(bd >= IXGB_MAX_NIC) {
+ if (bd >= IXGB_MAX_NIC) {
printk(KERN_NOTICE
"Warning: no configuration for board #%i\n", bd);
printk(KERN_NOTICE "Using defaults for all values\n");
@@ -277,7 +277,7 @@ ixgb_check_options(struct ixgb_adapter *adapter)
};
struct ixgb_desc_ring *tx_ring = &adapter->tx_ring;
- if(num_TxDescriptors > bd) {
+ if (num_TxDescriptors > bd) {
tx_ring->count = TxDescriptors[bd];
ixgb_validate_option(&tx_ring->count, &opt);
} else {
@@ -296,7 +296,7 @@ ixgb_check_options(struct ixgb_adapter *adapter)
};
struct ixgb_desc_ring *rx_ring = &adapter->rx_ring;
- if(num_RxDescriptors > bd) {
+ if (num_RxDescriptors > bd) {
rx_ring->count = RxDescriptors[bd];
ixgb_validate_option(&rx_ring->count, &opt);
} else {
@@ -312,7 +312,7 @@ ixgb_check_options(struct ixgb_adapter *adapter)
.def = OPTION_ENABLED
};
- if(num_XsumRX > bd) {
+ if (num_XsumRX > bd) {
unsigned int rx_csum = XsumRX[bd];
ixgb_validate_option(&rx_csum, &opt);
adapter->rx_csum = rx_csum;
@@ -338,7 +338,7 @@ ixgb_check_options(struct ixgb_adapter *adapter)
.p = fc_list }}
};
- if(num_FlowControl > bd) {
+ if (num_FlowControl > bd) {
unsigned int fc = FlowControl[bd];
ixgb_validate_option(&fc, &opt);
adapter->hw.fc.type = fc;
@@ -356,14 +356,14 @@ ixgb_check_options(struct ixgb_adapter *adapter)
.max = MAX_FCRTH}}
};
- if(num_RxFCHighThresh > bd) {
+ if (num_RxFCHighThresh > bd) {
adapter->hw.fc.high_water = RxFCHighThresh[bd];
ixgb_validate_option(&adapter->hw.fc.high_water, &opt);
} else {
adapter->hw.fc.high_water = opt.def;
}
if (!(adapter->hw.fc.type & ixgb_fc_tx_pause) )
- printk (KERN_INFO
+ printk(KERN_INFO
"Ignoring RxFCHighThresh when no RxFC\n");
}
{ /* Receive Flow Control Low Threshold */
@@ -376,14 +376,14 @@ ixgb_check_options(struct ixgb_adapter *adapter)
.max = MAX_FCRTL}}
};
- if(num_RxFCLowThresh > bd) {
+ if (num_RxFCLowThresh > bd) {
adapter->hw.fc.low_water = RxFCLowThresh[bd];
ixgb_validate_option(&adapter->hw.fc.low_water, &opt);
} else {
adapter->hw.fc.low_water = opt.def;
}
if (!(adapter->hw.fc.type & ixgb_fc_tx_pause) )
- printk (KERN_INFO
+ printk(KERN_INFO
"Ignoring RxFCLowThresh when no RxFC\n");
}
{ /* Flow Control Pause Time Request*/
@@ -396,7 +396,7 @@ ixgb_check_options(struct ixgb_adapter *adapter)
.max = MAX_FCPAUSE}}
};
- if(num_FCReqTimeout > bd) {
+ if (num_FCReqTimeout > bd) {
unsigned int pause_time = FCReqTimeout[bd];
ixgb_validate_option(&pause_time, &opt);
adapter->hw.fc.pause_time = pause_time;
@@ -404,7 +404,7 @@ ixgb_check_options(struct ixgb_adapter *adapter)
adapter->hw.fc.pause_time = opt.def;
}
if (!(adapter->hw.fc.type & ixgb_fc_tx_pause) )
- printk (KERN_INFO
+ printk(KERN_INFO
"Ignoring FCReqTimeout when no RxFC\n");
}
/* high low and spacing check for rx flow control thresholds */
@@ -412,7 +412,7 @@ ixgb_check_options(struct ixgb_adapter *adapter)
/* high must be greater than low */
if (adapter->hw.fc.high_water < (adapter->hw.fc.low_water + 8)) {
/* set defaults */
- printk (KERN_INFO
+ printk(KERN_INFO
"RxFCHighThresh must be >= (RxFCLowThresh + 8), "
"Using Defaults\n");
adapter->hw.fc.high_water = DEFAULT_FCRTH;
@@ -429,7 +429,7 @@ ixgb_check_options(struct ixgb_adapter *adapter)
.max = MAX_RDTR}}
};
- if(num_RxIntDelay > bd) {
+ if (num_RxIntDelay > bd) {
adapter->rx_int_delay = RxIntDelay[bd];
ixgb_validate_option(&adapter->rx_int_delay, &opt);
} else {
@@ -446,7 +446,7 @@ ixgb_check_options(struct ixgb_adapter *adapter)
.max = MAX_TIDV}}
};
- if(num_TxIntDelay > bd) {
+ if (num_TxIntDelay > bd) {
adapter->tx_int_delay = TxIntDelay[bd];
ixgb_validate_option(&adapter->tx_int_delay, &opt);
} else {
@@ -462,7 +462,7 @@ ixgb_check_options(struct ixgb_adapter *adapter)
.def = OPTION_ENABLED
};
- if(num_IntDelayEnable > bd) {
+ if (num_IntDelayEnable > bd) {
unsigned int ide = IntDelayEnable[bd];
ixgb_validate_option(&ide, &opt);
adapter->tx_int_delay_enable = ide;
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