/*******************************************************************************
Intel PRO/1000 Linux driver
- Copyright(c) 1999 - 2007 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,
/*
* 82571EB Gigabit Ethernet Controller
* 82571EB Gigabit Ethernet Controller (Fiber)
+ * 82571EB Dual Port Gigabit Mezzanine Adapter
+ * 82571EB Quad Port Gigabit Mezzanine Adapter
+ * 82571PT Gigabit PT Quad Port Server ExpressModule
* 82572EI Gigabit Ethernet Controller (Copper)
* 82572EI Gigabit Ethernet Controller (Fiber)
* 82572EI Gigabit Ethernet Controller
if (((eecd >> 15) & 0x3) == 0x3) {
nvm->type = e1000_nvm_flash_hw;
nvm->word_size = 2048;
- /* Autonomous Flash update bit must be cleared due
+ /*
+ * Autonomous Flash update bit must be cleared due
* to Flash update issue.
*/
eecd &= ~E1000_EECD_AUPDEN;
}
/* Fall Through */
default:
- nvm->type = e1000_nvm_eeprom_spi;
+ nvm->type = e1000_nvm_eeprom_spi;
size = (u16)((eecd & E1000_EECD_SIZE_EX_MASK) >>
E1000_EECD_SIZE_EX_SHIFT);
- /* Added to a constant, "size" becomes the left-shift value
+ /*
+ * Added to a constant, "size" becomes the left-shift value
* for setting word_size.
*/
size += NVM_WORD_SIZE_BASE_SHIFT;
/* Set rar entry count */
mac->rar_entry_count = E1000_RAR_ENTRIES;
/* Set if manageability features are enabled. */
- mac->arc_subsystem_valid =
- (er32(FWSM) & E1000_FWSM_MODE_MASK) ? 1 : 0;
+ mac->arc_subsystem_valid = (er32(FWSM) & E1000_FWSM_MODE_MASK) ? 1 : 0;
/* check for link */
switch (hw->media_type) {
func->get_link_up_info = e1000e_get_speed_and_duplex_copper;
break;
case e1000_media_type_fiber:
- func->setup_physical_interface = e1000_setup_fiber_serdes_link_82571;
+ func->setup_physical_interface =
+ e1000_setup_fiber_serdes_link_82571;
func->check_for_link = e1000e_check_for_fiber_link;
- func->get_link_up_info = e1000e_get_speed_and_duplex_fiber_serdes;
+ func->get_link_up_info =
+ e1000e_get_speed_and_duplex_fiber_serdes;
break;
case e1000_media_type_internal_serdes:
- func->setup_physical_interface = e1000_setup_fiber_serdes_link_82571;
+ func->setup_physical_interface =
+ e1000_setup_fiber_serdes_link_82571;
func->check_for_link = e1000e_check_for_serdes_link;
- func->get_link_up_info = e1000e_get_speed_and_duplex_fiber_serdes;
+ func->get_link_up_info =
+ e1000e_get_speed_and_duplex_fiber_serdes;
break;
default:
return -E1000_ERR_CONFIG;
switch (hw->mac.type) {
case e1000_82571:
case e1000_82572:
- /* The 82571 firmware may still be configuring the PHY.
+ /*
+ * The 82571 firmware may still be configuring the PHY.
* In this case, we cannot access the PHY until the
* configuration is done. So we explicitly set the
- * PHY ID. */
+ * PHY ID.
+ */
phy->id = IGP01E1000_I_PHY_ID;
break;
case e1000_82573:
if (ret_val)
return ret_val;
- /* If our nvm is an EEPROM, then we're done
- * otherwise, commit the checksum to the flash NVM. */
+ /*
+ * If our nvm is an EEPROM, then we're done
+ * otherwise, commit the checksum to the flash NVM.
+ */
if (hw->nvm.type != e1000_nvm_flash_hw)
return ret_val;
/* Reset the firmware if using STM opcode. */
if ((er32(FLOP) & 0xFF00) == E1000_STM_OPCODE) {
- /* The enabling of and the actual reset must be done
+ /*
+ * The enabling of and the actual reset must be done
* in two write cycles.
*/
ew32(HICR, E1000_HICR_FW_RESET_ENABLE);
u32 eewr = 0;
s32 ret_val = 0;
- /* A check for invalid values: offset too large, too many words,
- * and not enough words. */
+ /*
+ * A check for invalid values: offset too large, too many words,
+ * and not enough words.
+ */
if ((offset >= nvm->word_size) || (words > (nvm->word_size - offset)) ||
(words == 0)) {
hw_dbg(hw, "nvm parameter(s) out of bounds\n");
} else {
data &= ~IGP02E1000_PM_D0_LPLU;
ret_val = e1e_wphy(hw, IGP02E1000_PHY_POWER_MGMT, data);
- /* LPLU and SmartSpeed are mutually exclusive. LPLU is used
+ /*
+ * LPLU and SmartSpeed are mutually exclusive. LPLU is used
* during Dx states where the power conservation is most
* important. During driver activity we should enable
- * SmartSpeed, so performance is maintained. */
+ * SmartSpeed, so performance is maintained.
+ */
if (phy->smart_speed == e1000_smart_speed_on) {
ret_val = e1e_rphy(hw, IGP01E1000_PHY_PORT_CONFIG,
- &data);
+ &data);
if (ret_val)
return ret_val;
data |= IGP01E1000_PSCFR_SMART_SPEED;
ret_val = e1e_wphy(hw, IGP01E1000_PHY_PORT_CONFIG,
- data);
+ data);
if (ret_val)
return ret_val;
} else if (phy->smart_speed == e1000_smart_speed_off) {
ret_val = e1e_rphy(hw, IGP01E1000_PHY_PORT_CONFIG,
- &data);
+ &data);
if (ret_val)
return ret_val;
data &= ~IGP01E1000_PSCFR_SMART_SPEED;
ret_val = e1e_wphy(hw, IGP01E1000_PHY_PORT_CONFIG,
- data);
+ data);
if (ret_val)
return ret_val;
}
s32 ret_val;
u16 i = 0;
- /* Prevent the PCI-E bus from sticking if there is no TLP connection
+ /*
+ * Prevent the PCI-E bus from sticking if there is no TLP connection
* on the last TLP read/write transaction when MAC is reset.
*/
ret_val = e1000e_disable_pcie_master(hw);
msleep(10);
- /* Must acquire the MDIO ownership before MAC reset.
- * Ownership defaults to firmware after a reset. */
+ /*
+ * Must acquire the MDIO ownership before MAC reset.
+ * Ownership defaults to firmware after a reset.
+ */
if (hw->mac.type == e1000_82573) {
extcnf_ctrl = er32(EXTCNF_CTRL);
extcnf_ctrl |= E1000_EXTCNF_CTRL_MDIO_SW_OWNERSHIP;
/* We don't want to continue accessing MAC registers. */
return ret_val;
- /* Phy configuration from NVM just starts after EECD_AUTO_RD is set.
+ /*
+ * Phy configuration from NVM just starts after EECD_AUTO_RD is set.
* Need to wait for Phy configuration completion before accessing
* NVM and Phy.
*/
e1000e_clear_vfta(hw);
/* Setup the receive address. */
- /* If, however, a locally administered address was assigned to the
+ /*
+ * If, however, a locally administered address was assigned to the
* 82571, we must reserve a RAR for it to work around an issue where
* resetting one port will reload the MAC on the other port.
*/
ew32(GCR, reg_data);
}
- /* Clear all of the statistics registers (clear on read). It is
+ /*
+ * Clear all of the statistics registers (clear on read). It is
* important that we do this after we have tried to establish link
* because the symbol error count will increment wildly if there
* is no link.
if (hw->mac.type == e1000_82573) {
if (hw->mng_cookie.vlan_id != 0) {
- /* The VFTA is a 4096b bit-field, each identifying
+ /*
+ * The VFTA is a 4096b bit-field, each identifying
* a single VLAN ID. The following operations
* determine which 32b entry (i.e. offset) into the
* array we want to set the VLAN ID (i.e. bit) of
}
}
for (offset = 0; offset < E1000_VLAN_FILTER_TBL_SIZE; offset++) {
- /* If the offset we want to clear is the same offset of the
+ /*
+ * If the offset we want to clear is the same offset of the
* manageability VLAN ID, then clear all bits except that of
* the manageability unit.
*/
**/
static s32 e1000_setup_link_82571(struct e1000_hw *hw)
{
- /* 82573 does not have a word in the NVM to determine
+ /*
+ * 82573 does not have a word in the NVM to determine
* the default flow control setting, so we explicitly
* set it to full.
*/
switch (hw->mac.type) {
case e1000_82571:
case e1000_82572:
- /* If SerDes loopback mode is entered, there is no form
+ /*
+ * If SerDes loopback mode is entered, there is no form
* of reset to take the adapter out of that mode. So we
* have to explicitly take the adapter out of loopback
* mode. This prevents drivers from twiddling their thumbs
* if another tool failed to take it out of loopback mode.
*/
- ew32(SCTL,
- E1000_SCTL_DISABLE_SERDES_LOOPBACK);
+ ew32(SCTL, E1000_SCTL_DISABLE_SERDES_LOOPBACK);
break;
default:
break;
/* If workaround is activated... */
if (state)
- /* Hold a copy of the LAA in RAR[14] This is done so that
+ /*
+ * Hold a copy of the LAA in RAR[14] This is done so that
* between the time RAR[0] gets clobbered and the time it
* gets fixed, the actual LAA is in one of the RARs and no
* incoming packets directed to this port are dropped.
if (nvm->type != e1000_nvm_flash_hw)
return 0;
- /* Check bit 4 of word 10h. If it is 0, firmware is done updating
+ /*
+ * Check bit 4 of word 10h. If it is 0, firmware is done updating
* 10h-12h. Checksum may need to be fixed.
*/
ret_val = e1000_read_nvm(hw, 0x10, 1, &data);
return ret_val;
if (!(data & 0x10)) {
- /* Read 0x23 and check bit 15. This bit is a 1
+ /*
+ * Read 0x23 and check bit 15. This bit is a 1
* when the checksum has already been fixed. If
* the checksum is still wrong and this bit is a
* 1, we need to return bad checksum. Otherwise,
################################################################################
#
# Intel PRO/1000 Linux driver
-# Copyright(c) 1999 - 2007 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,
/*******************************************************************************
Intel PRO/1000 Linux driver
- Copyright(c) 1999 - 2007 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,
#define E1000_MANC_ARP_EN 0x00002000 /* Enable ARP Request Filtering */
#define E1000_MANC_RCV_TCO_EN 0x00020000 /* Receive TCO Packets Enabled */
#define E1000_MANC_BLK_PHY_RST_ON_IDE 0x00040000 /* Block phy resets */
-#define E1000_MANC_EN_MAC_ADDR_FILTER 0x00100000 /* Enable MAC address
- * filtering */
-#define E1000_MANC_EN_MNG2HOST 0x00200000 /* Enable MNG packets to host
- * memory */
+/* Enable MAC address filtering */
+#define E1000_MANC_EN_MAC_ADDR_FILTER 0x00100000
+/* Enable MNG packets to host memory */
+#define E1000_MANC_EN_MNG2HOST 0x00200000
/* Receive Control */
#define E1000_RCTL_EN 0x00000002 /* enable */
#define E1000_RCTL_LBM_MAC 0x00000040 /* MAC loopback mode */
#define E1000_RCTL_LBM_TCVR 0x000000C0 /* tcvr loopback mode */
#define E1000_RCTL_DTYP_PS 0x00000400 /* Packet Split descriptor */
-#define E1000_RCTL_RDMTS_HALF 0x00000000 /* rx desc min threshold size */
+#define E1000_RCTL_RDMTS_HALF 0x00000000 /* Rx desc min threshold size */
#define E1000_RCTL_MO_SHIFT 12 /* multicast offset shift */
#define E1000_RCTL_BAM 0x00008000 /* broadcast enable */
/* these buffer sizes are valid if E1000_RCTL_BSEX is 0 */
-#define E1000_RCTL_SZ_2048 0x00000000 /* rx buffer size 2048 */
-#define E1000_RCTL_SZ_1024 0x00010000 /* rx buffer size 1024 */
-#define E1000_RCTL_SZ_512 0x00020000 /* rx buffer size 512 */
-#define E1000_RCTL_SZ_256 0x00030000 /* rx buffer size 256 */
+#define E1000_RCTL_SZ_2048 0x00000000 /* Rx buffer size 2048 */
+#define E1000_RCTL_SZ_1024 0x00010000 /* Rx buffer size 1024 */
+#define E1000_RCTL_SZ_512 0x00020000 /* Rx buffer size 512 */
+#define E1000_RCTL_SZ_256 0x00030000 /* Rx buffer size 256 */
/* these buffer sizes are valid if E1000_RCTL_BSEX is 1 */
-#define E1000_RCTL_SZ_16384 0x00010000 /* rx buffer size 16384 */
-#define E1000_RCTL_SZ_8192 0x00020000 /* rx buffer size 8192 */
-#define E1000_RCTL_SZ_4096 0x00030000 /* rx buffer size 4096 */
+#define E1000_RCTL_SZ_16384 0x00010000 /* Rx buffer size 16384 */
+#define E1000_RCTL_SZ_8192 0x00020000 /* Rx buffer size 8192 */
+#define E1000_RCTL_SZ_4096 0x00030000 /* Rx buffer size 4096 */
#define E1000_RCTL_VFE 0x00040000 /* vlan filter enable */
#define E1000_RCTL_CFIEN 0x00080000 /* canonical form enable */
#define E1000_RCTL_CFI 0x00100000 /* canonical form indicator */
#define E1000_RCTL_BSEX 0x02000000 /* Buffer size extension */
#define E1000_RCTL_SECRC 0x04000000 /* Strip Ethernet CRC */
-/* Use byte values for the following shift parameters
+/*
+ * Use byte values for the following shift parameters
* Usage:
* psrctl |= (((ROUNDUP(value0, 128) >> E1000_PSRCTL_BSIZE0_SHIFT) &
* E1000_PSRCTL_BSIZE0_MASK) |
#define E1000_CTRL_VME 0x40000000 /* IEEE VLAN mode enable */
#define E1000_CTRL_PHY_RST 0x80000000 /* PHY Reset */
-/* Bit definitions for the Management Data IO (MDIO) and Management Data
+/*
+ * Bit definitions for the Management Data IO (MDIO) and Management Data
* Clock (MDC) pins in the Device Control Register.
*/
#define E1000_TXD_STAT_TC 0x00000004 /* Tx Underrun */
/* Transmit Control */
-#define E1000_TCTL_EN 0x00000002 /* enable tx */
+#define E1000_TCTL_EN 0x00000002 /* enable Tx */
#define E1000_TCTL_PSP 0x00000008 /* pad short packets */
#define E1000_TCTL_CT 0x00000ff0 /* collision threshold */
#define E1000_TCTL_COLD 0x003ff000 /* collision distance */
#define E1000_KABGTXD_BGSQLBIAS 0x00050000
/* PBA constants */
-#define E1000_PBA_8K 0x0008 /* 8KB, default Rx allocation */
-#define E1000_PBA_16K 0x0010 /* 16KB, default TX allocation */
+#define E1000_PBA_8K 0x0008 /* 8KB */
+#define E1000_PBA_16K 0x0010 /* 16KB */
#define E1000_PBS_16K E1000_PBA_16K
/* Interrupt Cause Read */
#define E1000_ICR_TXDW 0x00000001 /* Transmit desc written back */
#define E1000_ICR_LSC 0x00000004 /* Link Status Change */
-#define E1000_ICR_RXSEQ 0x00000008 /* rx sequence error */
-#define E1000_ICR_RXDMT0 0x00000010 /* rx desc min. threshold (0) */
-#define E1000_ICR_RXT0 0x00000080 /* rx timer intr (ring 0) */
+#define E1000_ICR_RXSEQ 0x00000008 /* Rx sequence error */
+#define E1000_ICR_RXDMT0 0x00000010 /* Rx desc min. threshold (0) */
+#define E1000_ICR_RXT0 0x00000080 /* Rx timer intr (ring 0) */
#define E1000_ICR_INT_ASSERTED 0x80000000 /* If this bit asserted, the driver should claim the interrupt */
-/* This defines the bits that are set in the Interrupt Mask
+/*
+ * This defines the bits that are set in the Interrupt Mask
* Set/Read Register. Each bit is documented below:
* o RXT0 = Receiver Timer Interrupt (ring 0)
* o TXDW = Transmit Descriptor Written Back
/* Interrupt Mask Set */
#define E1000_IMS_TXDW E1000_ICR_TXDW /* Transmit desc written back */
#define E1000_IMS_LSC E1000_ICR_LSC /* Link Status Change */
-#define E1000_IMS_RXSEQ E1000_ICR_RXSEQ /* rx sequence error */
-#define E1000_IMS_RXDMT0 E1000_ICR_RXDMT0 /* rx desc min. threshold */
-#define E1000_IMS_RXT0 E1000_ICR_RXT0 /* rx timer intr */
+#define E1000_IMS_RXSEQ E1000_ICR_RXSEQ /* Rx sequence error */
+#define E1000_IMS_RXDMT0 E1000_ICR_RXDMT0 /* Rx desc min. threshold */
+#define E1000_IMS_RXT0 E1000_ICR_RXT0 /* Rx timer intr */
/* Interrupt Cause Set */
#define E1000_ICS_LSC E1000_ICR_LSC /* Link Status Change */
#define E1000_ICS_RXDMT0 E1000_ICR_RXDMT0 /* rx desc min. threshold */
+#define E1000_ICS_RXDMT0 E1000_ICR_RXDMT0 /* Rx desc min. threshold */
/* Transmit Descriptor Control */
#define E1000_TXDCTL_PTHRESH 0x0000003F /* TXDCTL Prefetch Threshold */
#define E1000_TXDCTL_WTHRESH 0x003F0000 /* TXDCTL Writeback Threshold */
#define E1000_TXDCTL_FULL_TX_DESC_WB 0x01010000 /* GRAN=1, WTHRESH=1 */
#define E1000_TXDCTL_MAX_TX_DESC_PREFETCH 0x0100001F /* GRAN=1, PTHRESH=31 */
-#define E1000_TXDCTL_COUNT_DESC 0x00400000 /* Enable the counting of desc.
- still to be processed. */
+/* Enable the counting of desc. still to be processed. */
+#define E1000_TXDCTL_COUNT_DESC 0x00400000
/* Flow Control Constants */
#define FLOW_CONTROL_ADDRESS_LOW 0x00C28001
#define E1000_VLAN_FILTER_TBL_SIZE 128 /* VLAN Filter Table (4096 bits) */
/* Receive Address */
-/* Number of high/low register pairs in the RAR. The RAR (Receive Address
+/*
+ * Number of high/low register pairs in the RAR. The RAR (Receive Address
* Registers) holds the directed and multicast addresses that we monitor.
* Technically, we have 16 spots. However, we reserve one of these spots
* (RAR[15]) for our directed address used by controllers with
#define E1000_EECD_REQ 0x00000040 /* NVM Access Request */
#define E1000_EECD_GNT 0x00000080 /* NVM Access Grant */
#define E1000_EECD_SIZE 0x00000200 /* NVM Size (0=64 word 1=256 word) */
-#define E1000_EECD_ADDR_BITS 0x00000400 /* NVM Addressing bits based on type
- * (0-small, 1-large) */
+/* NVM Addressing bits based on type (0-small, 1-large) */
+#define E1000_EECD_ADDR_BITS 0x00000400
#define E1000_NVM_GRANT_ATTEMPTS 1000 /* NVM # attempts to gain grant */
#define E1000_EECD_AUTO_RD 0x00000200 /* NVM Auto Read done */
#define E1000_EECD_SIZE_EX_MASK 0x00007800 /* NVM Size */
#define MAX_PHY_MULTI_PAGE_REG 0xF
/* Bit definitions for valid PHY IDs. */
-/* I = Integrated
+/*
+ * I = Integrated
* E = External
*/
#define M88E1000_E_PHY_ID 0x01410C50
#define M88E1000_PSCR_MDI_MANUAL_MODE 0x0000 /* MDI Crossover Mode bits 6:5 */
/* Manual MDI configuration */
#define M88E1000_PSCR_MDIX_MANUAL_MODE 0x0020 /* Manual MDIX configuration */
-#define M88E1000_PSCR_AUTO_X_1000T 0x0040 /* 1000BASE-T: Auto crossover,
- * 100BASE-TX/10BASE-T:
- * MDI Mode
- */
-#define M88E1000_PSCR_AUTO_X_MODE 0x0060 /* Auto crossover enabled
- * all speeds.
- */
- /* 1=Enable Extended 10BASE-T distance
- * (Lower 10BASE-T RX Threshold)
- * 0=Normal 10BASE-T RX Threshold */
- /* 1=5-Bit interface in 100BASE-TX
- * 0=MII interface in 100BASE-TX */
-#define M88E1000_PSCR_ASSERT_CRS_ON_TX 0x0800 /* 1=Assert CRS on Transmit */
+/* 1000BASE-T: Auto crossover, 100BASE-TX/10BASE-T: MDI Mode */
+#define M88E1000_PSCR_AUTO_X_1000T 0x0040
+/* Auto crossover enabled all speeds */
+#define M88E1000_PSCR_AUTO_X_MODE 0x0060
+/*
+ * 1=Enable Extended 10BASE-T distance (Lower 10BASE-T Rx Threshold)
+ * 0=Normal 10BASE-T Rx Threshold
+ */
+#define M88E1000_PSCR_ASSERT_CRS_ON_TX 0x0800 /* 1=Assert CRS on Transmit */
/* M88E1000 PHY Specific Status Register */
#define M88E1000_PSSR_REV_POLARITY 0x0002 /* 1=Polarity reversed */
#define M88E1000_PSSR_DOWNSHIFT 0x0020 /* 1=Downshifted */
#define M88E1000_PSSR_MDIX 0x0040 /* 1=MDIX; 0=MDI */
-#define M88E1000_PSSR_CABLE_LENGTH 0x0380 /* 0=<50M;1=50-80M;2=80-110M;
- * 3=110-140M;4=>140M */
+/* 0=<50M; 1=50-80M; 2=80-110M; 3=110-140M; 4=>140M */
+#define M88E1000_PSSR_CABLE_LENGTH 0x0380
#define M88E1000_PSSR_SPEED 0xC000 /* Speed, bits 14:15 */
#define M88E1000_PSSR_1000MBS 0x8000 /* 10=1000Mbs */
#define M88E1000_PSSR_CABLE_LENGTH_SHIFT 7
-/* Number of times we will attempt to autonegotiate before downshifting if we
- * are the master */
+/*
+ * Number of times we will attempt to autonegotiate before downshifting if we
+ * are the master
+ */
#define M88E1000_EPSCR_MASTER_DOWNSHIFT_MASK 0x0C00
#define M88E1000_EPSCR_MASTER_DOWNSHIFT_1X 0x0000
-/* Number of times we will attempt to autonegotiate before downshifting if we
- * are the slave */
+/*
+ * Number of times we will attempt to autonegotiate before downshifting if we
+ * are the slave
+ */
#define M88E1000_EPSCR_SLAVE_DOWNSHIFT_MASK 0x0300
#define M88E1000_EPSCR_SLAVE_DOWNSHIFT_1X 0x0100
#define M88E1000_EPSCR_TX_CLK_25 0x0070 /* 25 MHz TX_CLK */
#define M88EC018_EPSCR_DOWNSHIFT_COUNTER_MASK 0x0E00
#define M88EC018_EPSCR_DOWNSHIFT_COUNTER_5X 0x0800
-/* Bits...
+/*
+ * Bits...
* 15-5: page
* 4-0: register offset
*/
/*******************************************************************************
Intel PRO/1000 Linux driver
- Copyright(c) 1999 - 2007 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,
ndev_printk(KERN_NOTICE , netdev, format, ## arg)
-/* TX/RX descriptor defines */
+/* Tx/Rx descriptor defines */
#define E1000_DEFAULT_TXD 256
#define E1000_MAX_TXD 4096
#define E1000_MIN_TXD 80
dma_addr_t dma;
struct sk_buff *skb;
union {
- /* TX */
+ /* Tx */
struct {
unsigned long time_stamp;
u16 length;
u16 next_to_watch;
};
- /* RX */
+ /* Rx */
/* arrays of page information for packet split */
struct e1000_ps_page *ps_pages;
};
u16 rx_itr;
/*
- * TX
+ * Tx
*/
struct e1000_ring *tx_ring /* One per active queue */
____cacheline_aligned_in_smp;
unsigned int total_rx_bytes;
unsigned int total_rx_packets;
- /* TX stats */
+ /* Tx stats */
u64 tpt_old;
u64 colc_old;
u64 gotcl_old;
u32 tx_dma_failed;
/*
- * RX
+ * Rx
*/
bool (*clean_rx) (struct e1000_adapter *adapter,
int *work_done, int work_to_do)
u32 rx_int_delay;
u32 rx_abs_int_delay;
- /* RX stats */
+ /* Rx stats */
u64 hw_csum_err;
u64 hw_csum_good;
u64 rx_hdr_split;
/*******************************************************************************
Intel PRO/1000 Linux driver
- Copyright(c) 1999 - 2007 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,
/* In-Band Control Register (Page 194, Register 18) */
#define GG82563_ICR_DIS_PADDING 0x0010 /* Disable Padding */
-/* A table for the GG82563 cable length where the range is defined
+/*
+ * A table for the GG82563 cable length where the range is defined
* with a lower bound at "index" and the upper bound at
* "index + 5".
*/
break;
}
- nvm->type = e1000_nvm_eeprom_spi;
+ nvm->type = e1000_nvm_eeprom_spi;
size = (u16)((eecd & E1000_EECD_SIZE_EX_MASK) >>
E1000_EECD_SIZE_EX_SHIFT);
- /* Added to a constant, "size" becomes the left-shift value
+ /*
+ * Added to a constant, "size" becomes the left-shift value
* for setting word_size.
*/
size += NVM_WORD_SIZE_BASE_SHIFT;
/* Set rar entry count */
mac->rar_entry_count = E1000_RAR_ENTRIES;
/* Set if manageability features are enabled. */
- mac->arc_subsystem_valid =
- (er32(FWSM) & E1000_FWSM_MODE_MASK) ? 1 : 0;
+ mac->arc_subsystem_valid = (er32(FWSM) & E1000_FWSM_MODE_MASK) ? 1 : 0;
/* check for link */
switch (hw->media_type) {
if (!(swfw_sync & (fwmask | swmask)))
break;
- /* Firmware currently using resource (fwmask)
- * or other software thread using resource (swmask) */
+ /*
+ * Firmware currently using resource (fwmask)
+ * or other software thread using resource (swmask)
+ */
e1000e_put_hw_semaphore(hw);
mdelay(5);
i++;
if ((offset & MAX_PHY_REG_ADDRESS) < GG82563_MIN_ALT_REG)
page_select = GG82563_PHY_PAGE_SELECT;
else
- /* Use Alternative Page Select register to access
+ /*
+ * Use Alternative Page Select register to access
* registers 30 and 31
*/
page_select = GG82563_PHY_PAGE_SELECT_ALT;
if (ret_val)
return ret_val;
- /* The "ready" bit in the MDIC register may be incorrectly set
+ /*
+ * The "ready" bit in the MDIC register may be incorrectly set
* before the device has completed the "Page Select" MDI
* transaction. So we wait 200us after each MDI command...
*/
if ((offset & MAX_PHY_REG_ADDRESS) < GG82563_MIN_ALT_REG)
page_select = GG82563_PHY_PAGE_SELECT;
else
- /* Use Alternative Page Select register to access
+ /*
+ * Use Alternative Page Select register to access
* registers 30 and 31
*/
page_select = GG82563_PHY_PAGE_SELECT_ALT;
return ret_val;
- /* The "ready" bit in the MDIC register may be incorrectly set
+ /*
+ * The "ready" bit in the MDIC register may be incorrectly set
* before the device has completed the "Page Select" MDI
* transaction. So we wait 200us after each MDI command...
*/
u16 phy_data;
bool link;
- /* Clear Auto-Crossover to force MDI manually. M88E1000 requires MDI
+ /*
+ * Clear Auto-Crossover to force MDI manually. M88E1000 requires MDI
* forced whenever speed and duplex are forced.
*/
ret_val = e1e_rphy(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
return ret_val;
if (!link) {
- /* We didn't get link.
+ /*
+ * We didn't get link.
* Reset the DSP and cross our fingers.
*/
ret_val = e1000e_phy_reset_dsp(hw);
if (ret_val)
return ret_val;
- /* Resetting the phy means we need to verify the TX_CLK corresponds
+ /*
+ * Resetting the phy means we need to verify the TX_CLK corresponds
* to the link speed. 10Mbps -> 2.5MHz, else 25MHz.
*/
phy_data &= ~GG82563_MSCR_TX_CLK_MASK;
else
phy_data |= GG82563_MSCR_TX_CLK_100MBPS_25;
- /* In addition, we must re-enable CRS on Tx for both half and full
+ /*
+ * In addition, we must re-enable CRS on Tx for both half and full
* duplex.
*/
phy_data |= GG82563_MSCR_ASSERT_CRS_ON_TX;
u32 icr;
s32 ret_val;
- /* Prevent the PCI-E bus from sticking if there is no TLP connection
+ /*
+ * Prevent the PCI-E bus from sticking if there is no TLP connection
* on the last TLP read/write transaction when MAC is reset.
*/
ret_val = e1000e_disable_pcie_master(hw);
reg_data &= ~0x00100000;
E1000_WRITE_REG_ARRAY(hw, E1000_FFLT, 0x0001, reg_data);
- /* Clear all of the statistics registers (clear on read). It is
+ /*
+ * Clear all of the statistics registers (clear on read). It is
* important that we do this after we have tried to establish link
* because the symbol error count will increment wildly if there
* is no link.
if (ret_val)
return ret_val;
- /* Options:
+ /*
+ * Options:
* MDI/MDI-X = 0 (default)
* 0 - Auto for all speeds
* 1 - MDI mode
break;
}
- /* Options:
+ /*
+ * Options:
* disable_polarity_correction = 0 (default)
* Automatic Correction for Reversed Cable Polarity
* 0 - Disabled
return ret_val;
}
- /* Bypass RX and TX FIFO's */
- ret_val = e1000e_write_kmrn_reg(hw,
- E1000_KMRNCTRLSTA_OFFSET_FIFO_CTRL,
- E1000_KMRNCTRLSTA_FIFO_CTRL_RX_BYPASS |
+ /* Bypass Rx and Tx FIFO's */
+ ret_val = e1000e_write_kmrn_reg(hw, E1000_KMRNCTRLSTA_OFFSET_FIFO_CTRL,
+ E1000_KMRNCTRLSTA_FIFO_CTRL_RX_BYPASS |
E1000_KMRNCTRLSTA_FIFO_CTRL_TX_BYPASS);
if (ret_val)
return ret_val;
if (ret_val)
return ret_val;
- /* Do not init these registers when the HW is in IAMT mode, since the
+ /*
+ * Do not init these registers when the HW is in IAMT mode, since the
* firmware will have already initialized them. We only initialize
* them if the HW is not in IAMT mode.
*/
return ret_val;
}
- /* Workaround: Disable padding in Kumeran interface in the MAC
+ /*
+ * Workaround: Disable padding in Kumeran interface in the MAC
* and in the PHY to avoid CRC errors.
*/
ret_val = e1e_rphy(hw, GG82563_PHY_INBAND_CTRL, &data);
ctrl &= ~(E1000_CTRL_FRCSPD | E1000_CTRL_FRCDPX);
ew32(CTRL, ctrl);
- /* Set the mac to wait the maximum time between each
+ /*
+ * Set the mac to wait the maximum time between each
* iteration and increase the max iterations when
- * polling the phy; this fixes erroneous timeouts at 10Mbps. */
+ * polling the phy; this fixes erroneous timeouts at 10Mbps.
+ */
ret_val = e1000e_write_kmrn_reg(hw, GG82563_REG(0x34, 4), 0xFFFF);
if (ret_val)
return ret_val;
if (ret_val)
return ret_val;
reg_data |= E1000_KMRNCTRLSTA_INB_CTRL_DIS_PADDING;
- ret_val = e1000e_write_kmrn_reg(hw,
- E1000_KMRNCTRLSTA_OFFSET_INB_CTRL,
- reg_data);
+ ret_val = e1000e_write_kmrn_reg(hw, E1000_KMRNCTRLSTA_OFFSET_INB_CTRL,
+ reg_data);
if (ret_val)
return ret_val;
u16 reg_data;
reg_data = E1000_KMRNCTRLSTA_HD_CTRL_10_100_DEFAULT;
- ret_val = e1000e_write_kmrn_reg(hw,
- E1000_KMRNCTRLSTA_OFFSET_HD_CTRL,
- reg_data);
+ ret_val = e1000e_write_kmrn_reg(hw, E1000_KMRNCTRLSTA_OFFSET_HD_CTRL,
+ reg_data);
if (ret_val)
return ret_val;
u32 tipg;
reg_data = E1000_KMRNCTRLSTA_HD_CTRL_1000_DEFAULT;
- ret_val = e1000e_write_kmrn_reg(hw,
- E1000_KMRNCTRLSTA_OFFSET_HD_CTRL,
- reg_data);
+ ret_val = e1000e_write_kmrn_reg(hw, E1000_KMRNCTRLSTA_OFFSET_HD_CTRL,
+ reg_data);
if (ret_val)
return ret_val;
/*******************************************************************************
Intel PRO/1000 Linux driver
- Copyright(c) 1999 - 2007 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,
"Interrupt test (offline)", "Loopback test (offline)",
"Link test (on/offline)"
};
-#define E1000_TEST_LEN ARRAY_SIZE(e1000_gstrings_test)
+#define E1000_TEST_LEN ARRAY_SIZE(e1000_gstrings_test)
static int e1000_get_settings(struct net_device *netdev,
struct ethtool_cmd *ecmd)
struct e1000_adapter *adapter = netdev_priv(netdev);
struct e1000_hw *hw = &adapter->hw;
- /* When SoL/IDER sessions are active, autoneg/speed/duplex
- * cannot be changed */
+ /*
+ * When SoL/IDER sessions are active, autoneg/speed/duplex
+ * cannot be changed
+ */
if (e1000_check_reset_block(hw)) {
ndev_err(netdev, "Cannot change link "
"characteristics when SoL/IDER is active.\n");
ret_val = e1000_write_nvm(hw, first_word,
last_word - first_word + 1, eeprom_buff);
- /* Update the checksum over the first part of the EEPROM if needed
- * and flush shadow RAM for 82573 controllers */
+ /*
+ * Update the checksum over the first part of the EEPROM if needed
+ * and flush shadow RAM for 82573 controllers
+ */
if ((ret_val == 0) && ((first_word <= NVM_CHECKSUM_REG) ||
(hw->mac.type == e1000_82573)))
e1000e_update_nvm_checksum(hw);
strncpy(drvinfo->driver, e1000e_driver_name, 32);
strncpy(drvinfo->version, e1000e_driver_version, 32);
- /* EEPROM image version # is reported as firmware version # for
- * PCI-E controllers */
+ /*
+ * EEPROM image version # is reported as firmware version # for
+ * PCI-E controllers
+ */
e1000_read_nvm(&adapter->hw, 5, 1, &eeprom_data);
sprintf(firmware_version, "%d.%d-%d",
(eeprom_data & 0xF000) >> 12,
if (err)
goto err_setup_tx;
- /* save the new, restore the old in order to free it,
- * then restore the new back again */
+ /*
+ * restore the old in order to free it,
+ * then add in the new
+ */
adapter->rx_ring = rx_old;
adapter->tx_ring = tx_old;
e1000e_free_rx_resources(adapter);
u32 i;
u32 toggle;
- /* The status register is Read Only, so a write should fail.
+ /*
+ * The status register is Read Only, so a write should fail.
* Some bits that get toggled are ignored.
*/
switch (mac->type) {
mask = 1 << i;
if (!shared_int) {
- /* Disable the interrupt to be reported in
+ /*
+ * Disable the interrupt to be reported in
* the cause register and then force the same
* interrupt and see if one gets posted. If
* an interrupt was posted to the bus, the
}
}
- /* Enable the interrupt to be reported in
+ /*
+ * Enable the interrupt to be reported in
* the cause register and then force the same
* interrupt and see if one gets posted. If
* an interrupt was not posted to the bus, the
}
if (!shared_int) {
- /* Disable the other interrupts to be reported in
+ /*
+ * Disable the other interrupts to be reported in
* the cause register and then force the other
* interrupts and see if any get posted. If
* an interrupt was posted to the bus, the
adapter->hw.phy.type == e1000_phy_m88) {
ctrl_reg |= E1000_CTRL_ILOS; /* Invert Loss of Signal */
} else {
- /* Set the ILOS bit on the fiber Nic if half duplex link is
- * detected. */
+ /*
+ * Set the ILOS bit on the fiber Nic if half duplex link is
+ * detected.
+ */
stat_reg = er32(STATUS);
if ((stat_reg & E1000_STATUS_FD) == 0)
ctrl_reg |= (E1000_CTRL_ILOS | E1000_CTRL_SLU);
ew32(CTRL, ctrl_reg);
- /* Disable the receiver on the PHY so when a cable is plugged in, the
+ /*
+ * Disable the receiver on the PHY so when a cable is plugged in, the
* PHY does not begin to autoneg when a cable is reconnected to the NIC.
*/
if (adapter->hw.phy.type == e1000_phy_m88)
/* special requirements for 82571/82572 fiber adapters */
- /* jump through hoops to make sure link is up because serdes
- * link is hardwired up */
+ /*
+ * jump through hoops to make sure link is up because serdes
+ * link is hardwired up
+ */
ctrl |= E1000_CTRL_SLU;
ew32(CTRL, ctrl);
ew32(CTRL, ctrl);
}
- /* special write to serdes control register to enable SerDes analog
- * loopback */
+ /*
+ * special write to serdes control register to enable SerDes analog
+ * loopback
+ */
#define E1000_SERDES_LB_ON 0x410
ew32(SCTL, E1000_SERDES_LB_ON);
msleep(10);
u32 ctrlext = er32(CTRL_EXT);
u32 ctrl = er32(CTRL);
- /* save CTRL_EXT to restore later, reuse an empty variable (unused
- on mac_type 80003es2lan) */
+ /*
+ * save CTRL_EXT to restore later, reuse an empty variable (unused
+ * on mac_type 80003es2lan)
+ */
adapter->tx_fifo_head = ctrlext;
/* clear the serdes mode bits, putting the device into mac loopback */
if (hw->media_type == e1000_media_type_fiber ||
hw->media_type == e1000_media_type_internal_serdes) {
/* restore CTRL_EXT, stealing space from tx_fifo_head */
- ew32(CTRL_EXT,
- adapter->tx_fifo_head);
+ ew32(CTRL_EXT, adapter->tx_fifo_head);
adapter->tx_fifo_head = 0;
}
/* fall through */
ew32(RDT, rx_ring->count - 1);
- /* Calculate the loop count based on the largest descriptor ring
+ /*
+ * Calculate the loop count based on the largest descriptor ring
* The idea is to wrap the largest ring a number of times using 64
* send/receive pairs during each loop
*/
l++;
if (l == rx_ring->count)
l = 0;
- /* time + 20 msecs (200 msecs on 2.4) is more than
+ /*
+ * time + 20 msecs (200 msecs on 2.4) is more than
* enough time to complete the receives, if it's
* exceeded, break and error off
*/
static int e1000_loopback_test(struct e1000_adapter *adapter, u64 *data)
{
- /* PHY loopback cannot be performed if SoL/IDER
- * sessions are active */
+ /*
+ * PHY loopback cannot be performed if SoL/IDER
+ * sessions are active
+ */
if (e1000_check_reset_block(&adapter->hw)) {
ndev_err(adapter->netdev, "Cannot do PHY loopback test "
"when SoL/IDER is active.\n");
int i = 0;
hw->mac.serdes_has_link = 0;
- /* On some blade server designs, link establishment
- * could take as long as 2-3 minutes */
+ /*
+ * On some blade server designs, link establishment
+ * could take as long as 2-3 minutes
+ */
do {
hw->mac.ops.check_for_link(hw);
if (hw->mac.serdes_has_link)
ndev_info(netdev, "offline testing starting\n");
- /* Link test performed before hardware reset so autoneg doesn't
- * interfere with test result */
+ /*
+ * Link test performed before hardware reset so autoneg doesn't
+ * interfere with test result
+ */
if (e1000_link_test(adapter, &data[4]))
eth_test->flags |= ETH_TEST_FL_FAILED;
switch (stringset) {
case ETH_SS_TEST:
- memcpy(data, *e1000_gstrings_test,
- sizeof(e1000_gstrings_test));
+ memcpy(data, *e1000_gstrings_test, sizeof(e1000_gstrings_test));
break;
case ETH_SS_STATS:
for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
/*******************************************************************************
Intel PRO/1000 Linux driver
- Copyright(c) 1999 - 2007 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,
E1000_IMS = 0x000D0, /* Interrupt Mask Set - RW */
E1000_IMC = 0x000D8, /* Interrupt Mask Clear - WO */
E1000_IAM = 0x000E0, /* Interrupt Acknowledge Auto Mask */
- E1000_RCTL = 0x00100, /* RX Control - RW */
+ E1000_RCTL = 0x00100, /* Rx Control - RW */
E1000_FCTTV = 0x00170, /* Flow Control Transmit Timer Value - RW */
- E1000_TXCW = 0x00178, /* TX Configuration Word - RW */
- E1000_RXCW = 0x00180, /* RX Configuration Word - RO */
- E1000_TCTL = 0x00400, /* TX Control - RW */
- E1000_TCTL_EXT = 0x00404, /* Extended TX Control - RW */
- E1000_TIPG = 0x00410, /* TX Inter-packet gap -RW */
- E1000_AIT = 0x00458, /* Adaptive Interframe Spacing Throttle - RW */
+ E1000_TXCW = 0x00178, /* Tx Configuration Word - RW */
+ E1000_RXCW = 0x00180, /* Rx Configuration Word - RO */
+ E1000_TCTL = 0x00400, /* Tx Control - RW */
+ E1000_TCTL_EXT = 0x00404, /* Extended Tx Control - RW */
+ E1000_TIPG = 0x00410, /* Tx Inter-packet gap -RW */
+ E1000_AIT = 0x00458, /* Adaptive Interframe Spacing Throttle -RW */
E1000_LEDCTL = 0x00E00, /* LED Control - RW */
E1000_EXTCNF_CTRL = 0x00F00, /* Extended Configuration Control */
E1000_EXTCNF_SIZE = 0x00F08, /* Extended Configuration Size */
E1000_FCRTL = 0x02160, /* Flow Control Receive Threshold Low - RW */
E1000_FCRTH = 0x02168, /* Flow Control Receive Threshold High - RW */
E1000_PSRCTL = 0x02170, /* Packet Split Receive Control - RW */
- E1000_RDBAL = 0x02800, /* RX Descriptor Base Address Low - RW */
- E1000_RDBAH = 0x02804, /* RX Descriptor Base Address High - RW */
- E1000_RDLEN = 0x02808, /* RX Descriptor Length - RW */
- E1000_RDH = 0x02810, /* RX Descriptor Head - RW */
- E1000_RDT = 0x02818, /* RX Descriptor Tail - RW */
- E1000_RDTR = 0x02820, /* RX Delay Timer - RW */
+ E1000_RDBAL = 0x02800, /* Rx Descriptor Base Address Low - RW */
+ E1000_RDBAH = 0x02804, /* Rx Descriptor Base Address High - RW */
+ E1000_RDLEN = 0x02808, /* Rx Descriptor Length - RW */
+ E1000_RDH = 0x02810, /* Rx Descriptor Head - RW */
+ E1000_RDT = 0x02818, /* Rx Descriptor Tail - RW */
+ E1000_RDTR = 0x02820, /* Rx Delay Timer - RW */
E1000_RADV = 0x0282C, /* RX Interrupt Absolute Delay Timer - RW */
/* Convenience macros
*/
#define E1000_RDBAL_REG(_n) (E1000_RDBAL + (_n << 8))
E1000_KABGTXD = 0x03004, /* AFE Band Gap Transmit Ref Data */
- E1000_TDBAL = 0x03800, /* TX Descriptor Base Address Low - RW */
- E1000_TDBAH = 0x03804, /* TX Descriptor Base Address High - RW */
- E1000_TDLEN = 0x03808, /* TX Descriptor Length - RW */
- E1000_TDH = 0x03810, /* TX Descriptor Head - RW */
- E1000_TDT = 0x03818, /* TX Descriptor Tail - RW */
- E1000_TIDV = 0x03820, /* TX Interrupt Delay Value - RW */
- E1000_TXDCTL = 0x03828, /* TX Descriptor Control - RW */
- E1000_TADV = 0x0382C, /* TX Interrupt Absolute Delay Val - RW */
- E1000_TARC0 = 0x03840, /* TX Arbitration Count (0) */
- E1000_TXDCTL1 = 0x03928, /* TX Descriptor Control (1) - RW */
- E1000_TARC1 = 0x03940, /* TX Arbitration Count (1) */
+ E1000_TDBAL = 0x03800, /* Tx Descriptor Base Address Low - RW */
+ E1000_TDBAH = 0x03804, /* Tx Descriptor Base Address High - RW */
+ E1000_TDLEN = 0x03808, /* Tx Descriptor Length - RW */
+ E1000_TDH = 0x03810, /* Tx Descriptor Head - RW */
+ E1000_TDT = 0x03818, /* Tx Descriptor Tail - RW */
+ E1000_TIDV = 0x03820, /* Tx Interrupt Delay Value - RW */
+ E1000_TXDCTL = 0x03828, /* Tx Descriptor Control - RW */
+ E1000_TADV = 0x0382C, /* Tx Interrupt Absolute Delay Val - RW */
+ E1000_TARC0 = 0x03840, /* Tx Arbitration Count (0) */
+ E1000_TXDCTL1 = 0x03928, /* Tx Descriptor Control (1) - RW */
+ E1000_TARC1 = 0x03940, /* Tx Arbitration Count (1) */
E1000_CRCERRS = 0x04000, /* CRC Error Count - R/clr */
E1000_ALGNERRC = 0x04004, /* Alignment Error Count - R/clr */
E1000_SYMERRS = 0x04008, /* Symbol Error Count - R/clr */
E1000_LATECOL = 0x04020, /* Late Collision Count - R/clr */
E1000_COLC = 0x04028, /* Collision Count - R/clr */
E1000_DC = 0x04030, /* Defer Count - R/clr */
- E1000_TNCRS = 0x04034, /* TX-No CRS - R/clr */
+ E1000_TNCRS = 0x04034, /* Tx-No CRS - R/clr */
E1000_SEC = 0x04038, /* Sequence Error Count - R/clr */
E1000_CEXTERR = 0x0403C, /* Carrier Extension Error Count - R/clr */
E1000_RLEC = 0x04040, /* Receive Length Error Count - R/clr */
- E1000_XONRXC = 0x04048, /* XON RX Count - R/clr */
- E1000_XONTXC = 0x0404C, /* XON TX Count - R/clr */
- E1000_XOFFRXC = 0x04050, /* XOFF RX Count - R/clr */
- E1000_XOFFTXC = 0x04054, /* XOFF TX Count - R/clr */
- E1000_FCRUC = 0x04058, /* Flow Control RX Unsupported Count- R/clr */
- E1000_PRC64 = 0x0405C, /* Packets RX (64 bytes) - R/clr */
- E1000_PRC127 = 0x04060, /* Packets RX (65-127 bytes) - R/clr */
- E1000_PRC255 = 0x04064, /* Packets RX (128-255 bytes) - R/clr */
- E1000_PRC511 = 0x04068, /* Packets RX (255-511 bytes) - R/clr */
- E1000_PRC1023 = 0x0406C, /* Packets RX (512-1023 bytes) - R/clr */
- E1000_PRC1522 = 0x04070, /* Packets RX (1024-1522 bytes) - R/clr */
- E1000_GPRC = 0x04074, /* Good Packets RX Count - R/clr */
- E1000_BPRC = 0x04078, /* Broadcast Packets RX Count - R/clr */
- E1000_MPRC = 0x0407C, /* Multicast Packets RX Count - R/clr */
- E1000_GPTC = 0x04080, /* Good Packets TX Count - R/clr */
- E1000_GORCL = 0x04088, /* Good Octets RX Count Low - R/clr */
- E1000_GORCH = 0x0408C, /* Good Octets RX Count High - R/clr */
- E1000_GOTCL = 0x04090, /* Good Octets TX Count Low - R/clr */
- E1000_GOTCH = 0x04094, /* Good Octets TX Count High - R/clr */
- E1000_RNBC = 0x040A0, /* RX No Buffers Count - R/clr */
- E1000_RUC = 0x040A4, /* RX Undersize Count - R/clr */
- E1000_RFC = 0x040A8, /* RX Fragment Count - R/clr */
- E1000_ROC = 0x040AC, /* RX Oversize Count - R/clr */
- E1000_RJC = 0x040B0, /* RX Jabber Count - R/clr */
- E1000_MGTPRC = 0x040B4, /* Management Packets RX Count - R/clr */
+ E1000_XONRXC = 0x04048, /* XON Rx Count - R/clr */
+ E1000_XONTXC = 0x0404C, /* XON Tx Count - R/clr */
+ E1000_XOFFRXC = 0x04050, /* XOFF Rx Count - R/clr */
+ E1000_XOFFTXC = 0x04054, /* XOFF Tx Count - R/clr */
+ E1000_FCRUC = 0x04058, /* Flow Control Rx Unsupported Count- R/clr */
+ E1000_PRC64 = 0x0405C, /* Packets Rx (64 bytes) - R/clr */
+ E1000_PRC127 = 0x04060, /* Packets Rx (65-127 bytes) - R/clr */
+ E1000_PRC255 = 0x04064, /* Packets Rx (128-255 bytes) - R/clr */
+ E1000_PRC511 = 0x04068, /* Packets Rx (255-511 bytes) - R/clr */
+ E1000_PRC1023 = 0x0406C, /* Packets Rx (512-1023 bytes) - R/clr */
+ E1000_PRC1522 = 0x04070, /* Packets Rx (1024-1522 bytes) - R/clr */
+ E1000_GPRC = 0x04074, /* Good Packets Rx Count - R/clr */
+ E1000_BPRC = 0x04078, /* Broadcast Packets Rx Count - R/clr */
+ E1000_MPRC = 0x0407C, /* Multicast Packets Rx Count - R/clr */
+ E1000_GPTC = 0x04080, /* Good Packets Tx Count - R/clr */
+ E1000_GORCL = 0x04088, /* Good Octets Rx Count Low - R/clr */
+ E1000_GORCH = 0x0408C, /* Good Octets Rx Count High - R/clr */
+ E1000_GOTCL = 0x04090, /* Good Octets Tx Count Low - R/clr */
+ E1000_GOTCH = 0x04094, /* Good Octets Tx Count High - R/clr */
+ E1000_RNBC = 0x040A0, /* Rx No Buffers Count - R/clr */
+ E1000_RUC = 0x040A4, /* Rx Undersize Count - R/clr */
+ E1000_RFC = 0x040A8, /* Rx Fragment Count - R/clr */
+ E1000_ROC = 0x040AC, /* Rx Oversize Count - R/clr */
+ E1000_RJC = 0x040B0, /* Rx Jabber Count - R/clr */
+ E1000_MGTPRC = 0x040B4, /* Management Packets Rx Count - R/clr */
E1000_MGTPDC = 0x040B8, /* Management Packets Dropped Count - R/clr */
- E1000_MGTPTC = 0x040BC, /* Management Packets TX Count - R/clr */
- E1000_TORL = 0x040C0, /* Total Octets RX Low - R/clr */
- E1000_TORH = 0x040C4, /* Total Octets RX High - R/clr */
- E1000_TOTL = 0x040C8, /* Total Octets TX Low - R/clr */
- E1000_TOTH = 0x040CC, /* Total Octets TX High - R/clr */
- E1000_TPR = 0x040D0, /* Total Packets RX - R/clr */
- E1000_TPT = 0x040D4, /* Total Packets TX - R/clr */
- E1000_PTC64 = 0x040D8, /* Packets TX (64 bytes) - R/clr */
- E1000_PTC127 = 0x040DC, /* Packets TX (65-127 bytes) - R/clr */
- E1000_PTC255 = 0x040E0, /* Packets TX (128-255 bytes) - R/clr */
- E1000_PTC511 = 0x040E4, /* Packets TX (256-511 bytes) - R/clr */
- E1000_PTC1023 = 0x040E8, /* Packets TX (512-1023 bytes) - R/clr */
- E1000_PTC1522 = 0x040EC, /* Packets TX (1024-1522 Bytes) - R/clr */
- E1000_MPTC = 0x040F0, /* Multicast Packets TX Count - R/clr */
- E1000_BPTC = 0x040F4, /* Broadcast Packets TX Count - R/clr */
- E1000_TSCTC = 0x040F8, /* TCP Segmentation Context TX - R/clr */
- E1000_TSCTFC = 0x040FC, /* TCP Segmentation Context TX Fail - R/clr */
+ E1000_MGTPTC = 0x040BC, /* Management Packets Tx Count - R/clr */
+ E1000_TORL = 0x040C0, /* Total Octets Rx Low - R/clr */
+ E1000_TORH = 0x040C4, /* Total Octets Rx High - R/clr */
+ E1000_TOTL = 0x040C8, /* Total Octets Tx Low - R/clr */
+ E1000_TOTH = 0x040CC, /* Total Octets Tx High - R/clr */
+ E1000_TPR = 0x040D0, /* Total Packets Rx - R/clr */
+ E1000_TPT = 0x040D4, /* Total Packets Tx - R/clr */
+ E1000_PTC64 = 0x040D8, /* Packets Tx (64 bytes) - R/clr */
+ E1000_PTC127 = 0x040DC, /* Packets Tx (65-127 bytes) - R/clr */
+ E1000_PTC255 = 0x040E0, /* Packets Tx (128-255 bytes) - R/clr */
+ E1000_PTC511 = 0x040E4, /* Packets Tx (256-511 bytes) - R/clr */
+ E1000_PTC1023 = 0x040E8, /* Packets Tx (512-1023 bytes) - R/clr */
+ E1000_PTC1522 = 0x040EC, /* Packets Tx (1024-1522 Bytes) - R/clr */
+ E1000_MPTC = 0x040F0, /* Multicast Packets Tx Count - R/clr */
+ E1000_BPTC = 0x040F4, /* Broadcast Packets Tx Count - R/clr */
+ E1000_TSCTC = 0x040F8, /* TCP Segmentation Context Tx - R/clr */
+ E1000_TSCTFC = 0x040FC, /* TCP Segmentation Context Tx Fail - R/clr */
E1000_IAC = 0x04100, /* Interrupt Assertion Count */
E1000_ICRXPTC = 0x04104, /* Irq Cause Rx Packet Timer Expire Count */
E1000_ICRXATC = 0x04108, /* Irq Cause Rx Abs Timer Expire Count */
E1000_ICTXQMTC = 0x0411C, /* Irq Cause Tx Queue MinThreshold Count */
E1000_ICRXDMTC = 0x04120, /* Irq Cause Rx Desc MinThreshold Count */
E1000_ICRXOC = 0x04124, /* Irq Cause Receiver Overrun Count */
- E1000_RXCSUM = 0x05000, /* RX Checksum Control - RW */
+ E1000_RXCSUM = 0x05000, /* Rx Checksum Control - RW */
E1000_RFCTL = 0x05008, /* Receive Filter Control */
E1000_MTA = 0x05200, /* Multicast Table Array - RW Array */
E1000_RA = 0x05400, /* Receive Address - RW Array */
#define E1000_VFTA_ENTRY_BIT_SHIFT_MASK 0x1F
#define E1000_HICR_EN 0x01 /* Enable bit - RO */
-#define E1000_HICR_C 0x02 /* Driver sets this bit when done
- * to put command in RAM */
+/* Driver sets this bit when done to put command in RAM */
+#define E1000_HICR_C 0x02
#define E1000_HICR_FW_RESET_ENABLE 0x40
#define E1000_HICR_FW_RESET 0x80
s32 (*get_link_up_info)(struct e1000_hw *, u16 *, u16 *);
s32 (*led_on)(struct e1000_hw *);
s32 (*led_off)(struct e1000_hw *);
- void (*mc_addr_list_update)(struct e1000_hw *, u8 *, u32, u32,
- u32);
+ void (*mc_addr_list_update)(struct e1000_hw *, u8 *, u32, u32, u32);
s32 (*reset_hw)(struct e1000_hw *);
s32 (*init_hw)(struct e1000_hw *);
s32 (*setup_link)(struct e1000_hw *);
/*******************************************************************************
Intel PRO/1000 Linux driver
- Copyright(c) 1999 - 2007 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,
u32 sector_end_addr;
u16 i;
- /* Can't read flash registers if the register set isn't mapped.
- */
+ /* Can't read flash registers if the register set isn't mapped. */
if (!hw->flash_address) {
hw_dbg(hw, "ERROR: Flash registers not mapped\n");
return -E1000_ERR_CONFIG;
gfpreg = er32flash(ICH_FLASH_GFPREG);
- /* sector_X_addr is a "sector"-aligned address (4096 bytes)
+ /*
+ * sector_X_addr is a "sector"-aligned address (4096 bytes)
* Add 1 to sector_end_addr since this sector is included in
- * the overall size. */
+ * the overall size.
+ */
sector_base_addr = gfpreg & FLASH_GFPREG_BASE_MASK;
sector_end_addr = ((gfpreg >> 16) & FLASH_GFPREG_BASE_MASK) + 1;
/* flash_base_addr is byte-aligned */
nvm->flash_base_addr = sector_base_addr << FLASH_SECTOR_ADDR_SHIFT;
- /* find total size of the NVM, then cut in half since the total
- * size represents two separate NVM banks. */
+ /*
+ * find total size of the NVM, then cut in half since the total
+ * size represents two separate NVM banks.
+ */
nvm->flash_bank_size = (sector_end_addr - sector_base_addr)
<< FLASH_SECTOR_ADDR_SHIFT;
nvm->flash_bank_size /= 2;
if (ret_val)
return ret_val;
- /* Initialize the PHY from the NVM on ICH platforms. This
+ /*
+ * Initialize the PHY from the NVM on ICH platforms. This
* is needed due to an issue where the NVM configuration is
* not properly autoloaded after power transitions.
* Therefore, after each PHY reset, we will load the
udelay(100);
} while ((!data) && --loop);
- /* If basic configuration is incomplete before the above loop
+ /*
+ * If basic configuration is incomplete before the above loop
* count reaches 0, loading the configuration from NVM will
* leave the PHY in a bad state possibly resulting in no link.
*/
data &= ~E1000_STATUS_LAN_INIT_DONE;
ew32(STATUS, data);
- /* Make sure HW does not configure LCD from PHY
- * extended configuration before SW configuration */
+ /*
+ * Make sure HW does not configure LCD from PHY
+ * extended configuration before SW configuration
+ */
data = er32(EXTCNF_CTRL);
if (data & E1000_EXTCNF_CTRL_LCD_WRITE_ENABLE)
return 0;
cnf_base_addr = data & E1000_EXTCNF_CTRL_EXT_CNF_POINTER_MASK;
cnf_base_addr >>= E1000_EXTCNF_CTRL_EXT_CNF_POINTER_SHIFT;
- /* Configure LCD from extended configuration
- * region. */
+ /* Configure LCD from extended configuration region. */
/* cnf_base_addr is in DWORD */
word_addr = (u16)(cnf_base_addr << 1);
s32 ret_val;
u16 phy_data, offset, mask;
- /* Polarity is determined based on the reversal feature
- * being enabled.
+ /*
+ * Polarity is determined based on the reversal feature being enabled.
*/
if (phy->polarity_correction) {
offset = IFE_PHY_EXTENDED_STATUS_CONTROL;
phy_ctrl |= E1000_PHY_CTRL_D0A_LPLU;
ew32(PHY_CTRL, phy_ctrl);
- /* Call gig speed drop workaround on LPLU before accessing
- * any PHY registers */
+ /*
+ * Call gig speed drop workaround on LPLU before accessing
+ * any PHY registers
+ */
if ((hw->mac.type == e1000_ich8lan) &&
(hw->phy.type == e1000_phy_igp_3))
e1000e_gig_downshift_workaround_ich8lan(hw);
phy_ctrl &= ~E1000_PHY_CTRL_D0A_LPLU;
ew32(PHY_CTRL, phy_ctrl);
- /* LPLU and SmartSpeed are mutually exclusive. LPLU is used
+ /*
+ * LPLU and SmartSpeed are mutually exclusive. LPLU is used
* during Dx states where the power conservation is most
* important. During driver activity we should enable
- * SmartSpeed, so performance is maintained. */
+ * SmartSpeed, so performance is maintained.
+ */
if (phy->smart_speed == e1000_smart_speed_on) {
ret_val = e1e_rphy(hw, IGP01E1000_PHY_PORT_CONFIG,
- &data);
+ &data);
if (ret_val)
return ret_val;
data |= IGP01E1000_PSCFR_SMART_SPEED;
ret_val = e1e_wphy(hw, IGP01E1000_PHY_PORT_CONFIG,
- data);
+ data);
if (ret_val)
return ret_val;
} else if (phy->smart_speed == e1000_smart_speed_off) {
ret_val = e1e_rphy(hw, IGP01E1000_PHY_PORT_CONFIG,
- &data);
+ &data);
if (ret_val)
return ret_val;
data &= ~IGP01E1000_PSCFR_SMART_SPEED;
ret_val = e1e_wphy(hw, IGP01E1000_PHY_PORT_CONFIG,
- data);
+ data);
if (ret_val)
return ret_val;
}
if (!active) {
phy_ctrl &= ~E1000_PHY_CTRL_NOND0A_LPLU;
ew32(PHY_CTRL, phy_ctrl);
- /* LPLU and SmartSpeed are mutually exclusive. LPLU is used
+ /*
+ * LPLU and SmartSpeed are mutually exclusive. LPLU is used
* during Dx states where the power conservation is most
* important. During driver activity we should enable
- * SmartSpeed, so performance is maintained. */
+ * SmartSpeed, so performance is maintained.
+ */
if (phy->smart_speed == e1000_smart_speed_on) {
- ret_val = e1e_rphy(hw,
- IGP01E1000_PHY_PORT_CONFIG,
- &data);
+ ret_val = e1e_rphy(hw, IGP01E1000_PHY_PORT_CONFIG,
+ &data);
if (ret_val)
return ret_val;
data |= IGP01E1000_PSCFR_SMART_SPEED;
- ret_val = e1e_wphy(hw,
- IGP01E1000_PHY_PORT_CONFIG,
- data);
+ ret_val = e1e_wphy(hw, IGP01E1000_PHY_PORT_CONFIG,
+ data);
if (ret_val)
return ret_val;
} else if (phy->smart_speed == e1000_smart_speed_off) {
- ret_val = e1e_rphy(hw,
- IGP01E1000_PHY_PORT_CONFIG,
- &data);
+ ret_val = e1e_rphy(hw, IGP01E1000_PHY_PORT_CONFIG,
+ &data);
if (ret_val)
return ret_val;
data &= ~IGP01E1000_PSCFR_SMART_SPEED;
- ret_val = e1e_wphy(hw,
- IGP01E1000_PHY_PORT_CONFIG,
- data);
+ ret_val = e1e_wphy(hw, IGP01E1000_PHY_PORT_CONFIG,
+ data);
if (ret_val)
return ret_val;
}
phy_ctrl |= E1000_PHY_CTRL_NOND0A_LPLU;
ew32(PHY_CTRL, phy_ctrl);
- /* Call gig speed drop workaround on LPLU before accessing
- * any PHY registers */
+ /*
+ * Call gig speed drop workaround on LPLU before accessing
+ * any PHY registers
+ */
if ((hw->mac.type == e1000_ich8lan) &&
(hw->phy.type == e1000_phy_igp_3))
e1000e_gig_downshift_workaround_ich8lan(hw);
/* When LPLU is enabled, we should disable SmartSpeed */
- ret_val = e1e_rphy(hw,
- IGP01E1000_PHY_PORT_CONFIG,
- &data);
+ ret_val = e1e_rphy(hw, IGP01E1000_PHY_PORT_CONFIG, &data);
if (ret_val)
return ret_val;
data &= ~IGP01E1000_PSCFR_SMART_SPEED;
- ret_val = e1e_wphy(hw,
- IGP01E1000_PHY_PORT_CONFIG,
- data);
+ ret_val = e1e_wphy(hw, IGP01E1000_PHY_PORT_CONFIG, data);
}
return 0;
ew16flash(ICH_FLASH_HSFSTS, hsfsts.regval);
- /* Either we should have a hardware SPI cycle in progress
+ /*
+ * Either we should have a hardware SPI cycle in progress
* bit to check against, in order to start a new cycle or
* FDONE bit should be changed in the hardware so that it
* is 1 after hardware reset, which can then be used as an
*/
if (hsfsts.hsf_status.flcinprog == 0) {
- /* There is no cycle running at present,
- * so we can start a cycle */
- /* Begin by setting Flash Cycle Done. */
+ /*
+ * There is no cycle running at present,
+ * so we can start a cycle
+ * Begin by setting Flash Cycle Done.
+ */
hsfsts.hsf_status.flcdone = 1;
ew16flash(ICH_FLASH_HSFSTS, hsfsts.regval);
ret_val = 0;
} else {
- /* otherwise poll for sometime so the current
- * cycle has a chance to end before giving up. */
+ /*
+ * otherwise poll for sometime so the current
+ * cycle has a chance to end before giving up.
+ */
for (i = 0; i < ICH_FLASH_READ_COMMAND_TIMEOUT; i++) {
hsfsts.regval = __er16flash(hw, ICH_FLASH_HSFSTS);
if (hsfsts.hsf_status.flcinprog == 0) {
udelay(1);
}
if (ret_val == 0) {
- /* Successful in waiting for previous cycle to timeout,
- * now set the Flash Cycle Done. */
+ /*
+ * Successful in waiting for previous cycle to timeout,
+ * now set the Flash Cycle Done.
+ */
hsfsts.hsf_status.flcdone = 1;
ew16flash(ICH_FLASH_HSFSTS, hsfsts.regval);
} else {
ret_val = e1000_flash_cycle_ich8lan(hw,
ICH_FLASH_READ_COMMAND_TIMEOUT);
- /* Check if FCERR is set to 1, if set to 1, clear it
+ /*
+ * Check if FCERR is set to 1, if set to 1, clear it
* and try the whole sequence a few more times, else
* read in (shift in) the Flash Data0, the order is
- * least significant byte first msb to lsb */
+ * least significant byte first msb to lsb
+ */
if (ret_val == 0) {
flash_data = er32flash(ICH_FLASH_FDATA0);
if (size == 1) {
}
break;
} else {
- /* If we've gotten here, then things are probably
+ /*
+ * If we've gotten here, then things are probably
* completely hosed, but if the error condition is
* detected, it won't hurt to give it another try...
* ICH_FLASH_CYCLE_REPEAT_COUNT times.
ret_val = e1000e_update_nvm_checksum_generic(hw);
if (ret_val)
- return ret_val;;
+ return ret_val;
if (nvm->type != e1000_nvm_flash_sw)
- return ret_val;;
+ return ret_val;
ret_val = e1000_acquire_swflag_ich8lan(hw);
if (ret_val)
- return ret_val;;
+ return ret_val;
- /* We're writing to the opposite bank so if we're on bank 1,
+ /*
+ * We're writing to the opposite bank so if we're on bank 1,
* write to bank 0 etc. We also need to erase the segment that
- * is going to be written */
+ * is going to be written
+ */
if (!(er32(EECD) & E1000_EECD_SEC1VAL)) {
new_bank_offset = nvm->flash_bank_size;
old_bank_offset = 0;
}
for (i = 0; i < E1000_ICH8_SHADOW_RAM_WORDS; i++) {
- /* Determine whether to write the value stored
+ /*
+ * Determine whether to write the value stored
* in the other NVM bank or a modified value stored
- * in the shadow RAM */
+ * in the shadow RAM
+ */
if (dev_spec->shadow_ram[i].modified) {
data = dev_spec->shadow_ram[i].value;
} else {
&data);
}
- /* If the word is 0x13, then make sure the signature bits
+ /*
+ * If the word is 0x13, then make sure the signature bits
* (15:14) are 11b until the commit has completed.
* This will allow us to write 10b which indicates the
* signature is valid. We want to do this after the write
* has completed so that we don't mark the segment valid
- * while the write is still in progress */
+ * while the write is still in progress
+ */
if (i == E1000_ICH_NVM_SIG_WORD)
data |= E1000_ICH_NVM_SIG_MASK;
break;
}
- /* Don't bother writing the segment valid bits if sector
- * programming failed. */
+ /*
+ * Don't bother writing the segment valid bits if sector
+ * programming failed.
+ */
if (ret_val) {
hw_dbg(hw, "Flash commit failed.\n");
e1000_release_swflag_ich8lan(hw);
return ret_val;
}
- /* Finally validate the new segment by setting bit 15:14
+ /*
+ * Finally validate the new segment by setting bit 15:14
* to 10b in word 0x13 , this can be done without an
* erase as well since these bits are 11 to start with
- * and we need to change bit 14 to 0b */
+ * and we need to change bit 14 to 0b
+ */
act_offset = new_bank_offset + E1000_ICH_NVM_SIG_WORD;
e1000_read_flash_word_ich8lan(hw, act_offset, &data);
data &= 0xBFFF;
return ret_val;
}
- /* And invalidate the previously valid segment by setting
+ /*
+ * And invalidate the previously valid segment by setting
* its signature word (0x13) high_byte to 0b. This can be
* done without an erase because flash erase sets all bits
- * to 1's. We can write 1's to 0's without an erase */
+ * to 1's. We can write 1's to 0's without an erase
+ */
act_offset = (old_bank_offset + E1000_ICH_NVM_SIG_WORD) * 2 + 1;
ret_val = e1000_retry_write_flash_byte_ich8lan(hw, act_offset, 0);
if (ret_val) {
e1000_release_swflag_ich8lan(hw);
- /* Reload the EEPROM, or else modifications will not appear
+ /*
+ * Reload the EEPROM, or else modifications will not appear
* until after the next adapter reset.
*/
e1000e_reload_nvm(hw);
s32 ret_val;
u16 data;
- /* Read 0x19 and check bit 6. If this bit is 0, the checksum
+ /*
+ * Read 0x19 and check bit 6. If this bit is 0, the checksum
* needs to be fixed. This bit is an indication that the NVM
* was prepared by OEM software and did not calculate the
* checksum...a likely scenario.
ew32flash(ICH_FLASH_FDATA0, flash_data);
- /* check if FCERR is set to 1 , if set to 1, clear it
- * and try the whole sequence a few more times else done */
+ /*
+ * check if FCERR is set to 1 , if set to 1, clear it
+ * and try the whole sequence a few more times else done
+ */
ret_val = e1000_flash_cycle_ich8lan(hw,
ICH_FLASH_WRITE_COMMAND_TIMEOUT);
if (!ret_val)
break;
- /* If we're here, then things are most likely
+ /*
+ * If we're here, then things are most likely
* completely hosed, but if the error condition
* is detected, it won't hurt to give it another
* try...ICH_FLASH_CYCLE_REPEAT_COUNT times.
hsfsts.regval = er16flash(ICH_FLASH_HSFSTS);
- /* Determine HW Sector size: Read BERASE bits of hw flash status
- * register */
- /* 00: The Hw sector is 256 bytes, hence we need to erase 16
+ /*
+ * Determine HW Sector size: Read BERASE bits of hw flash status
+ * register
+ * 00: The Hw sector is 256 bytes, hence we need to erase 16
* consecutive sectors. The start index for the nth Hw sector
* can be calculated as = bank * 4096 + n * 256
* 01: The Hw sector is 4K bytes, hence we need to erase 1 sector.
if (ret_val)
return ret_val;
- /* Write a value 11 (block Erase) in Flash
- * Cycle field in hw flash control */
+ /*
+ * Write a value 11 (block Erase) in Flash
+ * Cycle field in hw flash control
+ */
hsflctl.regval = er16flash(ICH_FLASH_HSFCTL);
hsflctl.hsf_ctrl.flcycle = ICH_CYCLE_ERASE;
ew16flash(ICH_FLASH_HSFCTL, hsflctl.regval);
- /* Write the last 24 bits of an index within the
+ /*
+ * Write the last 24 bits of an index within the
* block into Flash Linear address field in Flash
* Address.
*/
if (ret_val == 0)
break;
- /* Check if FCERR is set to 1. If 1,
+ /*
+ * Check if FCERR is set to 1. If 1,
* clear it and try the whole sequence
- * a few more times else Done */
+ * a few more times else Done
+ */
hsfsts.regval = er16flash(ICH_FLASH_HSFSTS);
if (hsfsts.hsf_status.flcerr == 1)
- /* repeat for some time before
- * giving up */
+ /* repeat for some time before giving up */
continue;
else if (hsfsts.hsf_status.flcdone == 0)
return ret_val;
ret_val = e1000e_get_bus_info_pcie(hw);
- /* ICH devices are "PCI Express"-ish. They have
+ /*
+ * ICH devices are "PCI Express"-ish. They have
* a configuration space, but do not contain
* PCI Express Capability registers, so bus width
* must be hardcoded.
u32 ctrl, icr, kab;
s32 ret_val;
- /* Prevent the PCI-E bus from sticking if there is no TLP connection
+ /*
+ * Prevent the PCI-E bus from sticking if there is no TLP connection
* on the last TLP read/write transaction when MAC is reset.
*/
ret_val = e1000e_disable_pcie_master(hw);
hw_dbg(hw, "Masking off all interrupts\n");
ew32(IMC, 0xffffffff);
- /* Disable the Transmit and Receive units. Then delay to allow
+ /*
+ * Disable the Transmit and Receive units. Then delay to allow
* any pending transactions to complete before we hit the MAC
* with the global reset.
*/
ctrl = er32(CTRL);
if (!e1000_check_reset_block(hw)) {
- /* PHY HW reset requires MAC CORE reset at the same
+ /*
+ * PHY HW reset requires MAC CORE reset at the same
* time to make sure the interface between MAC and the
* external PHY is reset.
*/
E1000_TXDCTL_MAX_TX_DESC_PREFETCH;
ew32(TXDCTL1, txdctl);
- /* ICH8 has opposite polarity of no_snoop bits.
- * By default, we should use snoop behavior. */
+ /*
+ * ICH8 has opposite polarity of no_snoop bits.
+ * By default, we should use snoop behavior.
+ */
if (mac->type == e1000_ich8lan)
snoop = PCIE_ICH8_SNOOP_ALL;
else
ctrl_ext |= E1000_CTRL_EXT_RO_DIS;
ew32(CTRL_EXT, ctrl_ext);
- /* Clear all of the statistics registers (clear on read). It is
+ /*
+ * Clear all of the statistics registers (clear on read). It is
* important that we do this after we have tried to establish link
* because the symbol error count will increment wildly if there
* is no link.
if (e1000_check_reset_block(hw))
return 0;
- /* ICH parts do not have a word in the NVM to determine
+ /*
+ * ICH parts do not have a word in the NVM to determine
* the default flow control setting, so we explicitly
* set it to full.
*/
ctrl &= ~(E1000_CTRL_FRCSPD | E1000_CTRL_FRCDPX);
ew32(CTRL, ctrl);
- /* Set the mac to wait the maximum time between each iteration
+ /*
+ * Set the mac to wait the maximum time between each iteration
* and increase the max iterations when polling the phy;
- * this fixes erroneous timeouts at 10Mbps. */
+ * this fixes erroneous timeouts at 10Mbps.
+ */
ret_val = e1000e_write_kmrn_reg(hw, GG82563_REG(0x34, 4), 0xFFFF);
if (ret_val)
return ret_val;
* @speed: pointer to store current link speed
* @duplex: pointer to store the current link duplex
*
- * Calls the generic get_speed_and_duplex to retreive the current link
+ * Calls the generic get_speed_and_duplex to retrieve the current link
* information and then calls the Kumeran lock loss workaround for links at
* gigabit speeds.
**/
if (!dev_spec->kmrn_lock_loss_workaround_enabled)
return 0;
- /* Make sure link is up before proceeding. If not just return.
+ /*
+ * Make sure link is up before proceeding. If not just return.
* Attempting this while link is negotiating fouled up link
- * stability */
+ * stability
+ */
ret_val = e1000e_phy_has_link_generic(hw, 1, 0, &link);
if (!link)
return 0;
E1000_PHY_CTRL_NOND0A_GBE_DISABLE);
ew32(PHY_CTRL, phy_ctrl);
- /* Call gig speed drop workaround on Gig disable before accessing
- * any PHY registers */
+ /*
+ * Call gig speed drop workaround on Gig disable before accessing
+ * any PHY registers
+ */
e1000e_gig_downshift_workaround_ich8lan(hw);
/* unable to acquire PCS lock */
}
/**
- * e1000_set_kmrn_lock_loss_workaound_ich8lan - Set Kumeran workaround state
+ * e1000_set_kmrn_lock_loss_workaround_ich8lan - Set Kumeran workaround state
* @hw: pointer to the HW structure
* @state: boolean value used to set the current Kumeran workaround state
*
E1000_PHY_CTRL_NOND0A_GBE_DISABLE);
ew32(PHY_CTRL, reg);
- /* Call gig speed drop workaround on Gig disable before
- * accessing any PHY registers */
+ /*
+ * Call gig speed drop workaround on Gig disable before
+ * accessing any PHY registers
+ */
if (hw->mac.type == e1000_ich8lan)
e1000e_gig_downshift_workaround_ich8lan(hw);
/*******************************************************************************
Intel PRO/1000 Linux driver
- Copyright(c) 1999 - 2007 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,
#define E1000_FACTPS_MNGCG 0x20000000
-#define E1000_IAMT_SIGNATURE 0x544D4149 /* Intel(R) Active Management
- * Technology signature */
+/* Intel(R) Active Management Technology signature */
+#define E1000_IAMT_SIGNATURE 0x544D4149
/**
* e1000e_get_bus_info_pcie - Get PCIe bus information
{
u32 rar_low, rar_high;
- /* HW expects these in little endian so we reverse the byte order
+ /*
+ * HW expects these in little endian so we reverse the byte order
* from network order (big endian) to little endian
*/
rar_low = ((u32) addr[0] |
{
u32 hash_bit, hash_reg, mta;
- /* The MTA is a register array of 32-bit registers. It is
+ /*
+ * The MTA is a register array of 32-bit registers. It is
* treated like an array of (32*mta_reg_count) bits. We want to
* set bit BitArray[hash_value]. So we figure out what register
* the bit is in, read it, OR in the new bit, then write
/* Register count multiplied by bits per register */
hash_mask = (hw->mac.mta_reg_count * 32) - 1;
- /* For a mc_filter_type of 0, bit_shift is the number of left-shifts
- * where 0xFF would still fall within the hash mask. */
+ /*
+ * For a mc_filter_type of 0, bit_shift is the number of left-shifts
+ * where 0xFF would still fall within the hash mask.
+ */
while (hash_mask >> bit_shift != 0xFF)
bit_shift++;
- /* The portion of the address that is used for the hash table
+ /*
+ * The portion of the address that is used for the hash table
* is determined by the mc_filter_type setting.
* The algorithm is such that there is a total of 8 bits of shifting.
* The bit_shift for a mc_filter_type of 0 represents the number of
* cases are a variation of this algorithm...essentially raising the
* number of bits to shift mc_addr[5] left, while still keeping the
* 8-bit shifting total.
- */
- /* For example, given the following Destination MAC Address and an
+ *
+ * For example, given the following Destination MAC Address and an
* mta register count of 128 (thus a 4096-bit vector and 0xFFF mask),
* we can see that the bit_shift for case 0 is 4. These are the hash
* values resulting from each mc_filter_type...
u32 hash_value;
u32 i;
- /* Load the first set of multicast addresses into the exact
+ /*
+ * Load the first set of multicast addresses into the exact
* filters (RAR). If there are not enough to fill the RAR
* array, clear the filters.
*/
s32 ret_val;
bool link;
- /* We only want to go out to the PHY registers to see if Auto-Neg
+ /*
+ * We only want to go out to the PHY registers to see if Auto-Neg
* has completed and/or if our link status has changed. The
* get_link_status flag is set upon receiving a Link Status
* Change or Rx Sequence Error interrupt.
if (!mac->get_link_status)
return 0;
- /* First we want to see if the MII Status Register reports
+ /*
+ * First we want to see if the MII Status Register reports
* link. If so, then we want to get the current speed/duplex
* of the PHY.
*/
mac->get_link_status = 0;
- /* Check if there was DownShift, must be checked
- * immediately after link-up */
+ /*
+ * Check if there was DownShift, must be checked
+ * immediately after link-up
+ */
e1000e_check_downshift(hw);
- /* If we are forcing speed/duplex, then we simply return since
+ /*
+ * If we are forcing speed/duplex, then we simply return since
* we have already determined whether we have link or not.
*/
if (!mac->autoneg) {
return ret_val;
}
- /* Auto-Neg is enabled. Auto Speed Detection takes care
+ /*
+ * Auto-Neg is enabled. Auto Speed Detection takes care
* of MAC speed/duplex configuration. So we only need to
* configure Collision Distance in the MAC.
*/
e1000e_config_collision_dist(hw);
- /* Configure Flow Control now that Auto-Neg has completed.
+ /*
+ * Configure Flow Control now that Auto-Neg has completed.
* First, we need to restore the desired flow control
* settings because we may have had to re-autoneg with a
* different link partner.
status = er32(STATUS);
rxcw = er32(RXCW);
- /* If we don't have link (auto-negotiation failed or link partner
+ /*
+ * If we don't have link (auto-negotiation failed or link partner
* cannot auto-negotiate), the cable is plugged in (we have signal),
* and our link partner is not trying to auto-negotiate with us (we
* are receiving idles or data), we need to force link up. We also
return ret_val;
}
} else if ((ctrl & E1000_CTRL_SLU) && (rxcw & E1000_RXCW_C)) {
- /* If we are forcing link and we are receiving /C/ ordered
+ /*
+ * If we are forcing link and we are receiving /C/ ordered
* sets, re-enable auto-negotiation in the TXCW register
* and disable forced link in the Device Control register
* in an attempt to auto-negotiate with our link partner.
status = er32(STATUS);
rxcw = er32(RXCW);
- /* If we don't have link (auto-negotiation failed or link partner
+ /*
+ * If we don't have link (auto-negotiation failed or link partner
* cannot auto-negotiate), and our link partner is not trying to
* auto-negotiate with us (we are receiving idles or data),
* we need to force link up. We also need to give auto-negotiation
return ret_val;
}
} else if ((ctrl & E1000_CTRL_SLU) && (rxcw & E1000_RXCW_C)) {
- /* If we are forcing link and we are receiving /C/ ordered
+ /*
+ * If we are forcing link and we are receiving /C/ ordered
* sets, re-enable auto-negotiation in the TXCW register
* and disable forced link in the Device Control register
* in an attempt to auto-negotiate with our link partner.
mac->serdes_has_link = 1;
} else if (!(E1000_TXCW_ANE & er32(TXCW))) {
- /* If we force link for non-auto-negotiation switch, check
+ /*
+ * If we force link for non-auto-negotiation switch, check
* link status based on MAC synchronization for internal
* serdes media type.
*/
s32 ret_val;
u16 nvm_data;
- /* Read and store word 0x0F of the EEPROM. This word contains bits
+ /*
+ * Read and store word 0x0F of the EEPROM. This word contains bits
* that determine the hardware's default PAUSE (flow control) mode,
* a bit that determines whether the HW defaults to enabling or
* disabling auto-negotiation, and the direction of the
struct e1000_mac_info *mac = &hw->mac;
s32 ret_val;
- /* In the case of the phy reset being blocked, we already have a link.
+ /*
+ * In the case of the phy reset being blocked, we already have a link.
* We do not need to set it up again.
*/
if (e1000_check_reset_block(hw))
return ret_val;
}
- /* We want to save off the original Flow Control configuration just
+ /*
+ * We want to save off the original Flow Control configuration just
* in case we get disconnected and then reconnected into a different
* hub or switch with different Flow Control capabilities.
*/
if (ret_val)
return ret_val;
- /* Initialize the flow control address, type, and PAUSE timer
+ /*
+ * Initialize the flow control address, type, and PAUSE timer
* registers to their default values. This is done even if flow
* control is disabled, because it does not hurt anything to
* initialize these registers.
struct e1000_mac_info *mac = &hw->mac;
u32 txcw;
- /* Check for a software override of the flow control settings, and
+ /*
+ * Check for a software override of the flow control settings, and
* setup the device accordingly. If auto-negotiation is enabled, then
* software will have to set the "PAUSE" bits to the correct value in
* the Transmit Config Word Register (TXCW) and re-start auto-
* but not send pause frames).
* 2: Tx flow control is enabled (we can send pause frames but we
* do not support receiving pause frames).
- * 3: Both Rx and TX flow control (symmetric) are enabled.
+ * 3: Both Rx and Tx flow control (symmetric) are enabled.
*/
switch (mac->fc) {
case e1000_fc_none:
txcw = (E1000_TXCW_ANE | E1000_TXCW_FD);
break;
case e1000_fc_rx_pause:
- /* RX Flow control is enabled and TX Flow control is disabled
+ /*
+ * Rx Flow control is enabled and Tx Flow control is disabled
* by a software over-ride. Since there really isn't a way to
- * advertise that we are capable of RX Pause ONLY, we will
- * advertise that we support both symmetric and asymmetric RX
+ * advertise that we are capable of Rx Pause ONLY, we will
+ * advertise that we support both symmetric and asymmetric Rx
* PAUSE. Later, we will disable the adapter's ability to send
* PAUSE frames.
*/
txcw = (E1000_TXCW_ANE | E1000_TXCW_FD | E1000_TXCW_PAUSE_MASK);
break;
case e1000_fc_tx_pause:
- /* TX Flow control is enabled, and RX Flow control is disabled,
+ /*
+ * Tx Flow control is enabled, and Rx Flow control is disabled,
* by a software over-ride.
*/
txcw = (E1000_TXCW_ANE | E1000_TXCW_FD | E1000_TXCW_ASM_DIR);
break;
case e1000_fc_full:
- /* Flow control (both RX and TX) is enabled by a software
+ /*
+ * Flow control (both Rx and Tx) is enabled by a software
* over-ride.
*/
txcw = (E1000_TXCW_ANE | E1000_TXCW_FD | E1000_TXCW_PAUSE_MASK);
u32 i, status;
s32 ret_val;
- /* If we have a signal (the cable is plugged in, or assumed true for
+ /*
+ * If we have a signal (the cable is plugged in, or assumed true for
* serdes media) then poll for a "Link-Up" indication in the Device
* Status Register. Time-out if a link isn't seen in 500 milliseconds
* seconds (Auto-negotiation should complete in less than 500
if (i == FIBER_LINK_UP_LIMIT) {
hw_dbg(hw, "Never got a valid link from auto-neg!!!\n");
mac->autoneg_failed = 1;
- /* AutoNeg failed to achieve a link, so we'll call
+ /*
+ * AutoNeg failed to achieve a link, so we'll call
* mac->check_for_link. This routine will force the
* link up if we detect a signal. This will allow us to
* communicate with non-autonegotiating link partners.
if (ret_val)
return ret_val;
- /* Since auto-negotiation is enabled, take the link out of reset (the
+ /*
+ * Since auto-negotiation is enabled, take the link out of reset (the
* link will be in reset, because we previously reset the chip). This
* will restart auto-negotiation. If auto-negotiation is successful
* then the link-up status bit will be set and the flow control enable
e1e_flush();
msleep(1);
- /* For these adapters, the SW defineable pin 1 is set when the optics
+ /*
+ * For these adapters, the SW definable pin 1 is set when the optics
* detect a signal. If we have a signal, then poll for a "Link-Up"
* indication.
*/
*
* Sets the flow control high/low threshold (watermark) registers. If
* flow control XON frame transmission is enabled, then set XON frame
- * tansmission as well.
+ * transmission as well.
**/
s32 e1000e_set_fc_watermarks(struct e1000_hw *hw)
{
struct e1000_mac_info *mac = &hw->mac;
u32 fcrtl = 0, fcrth = 0;
- /* Set the flow control receive threshold registers. Normally,
+ /*
+ * Set the flow control receive threshold registers. Normally,
* these registers will be set to a default threshold that may be
* adjusted later by the driver's runtime code. However, if the
* ability to transmit pause frames is not enabled, then these
* registers will be set to 0.
*/
if (mac->fc & e1000_fc_tx_pause) {
- /* We need to set up the Receive Threshold high and low water
+ /*
+ * We need to set up the Receive Threshold high and low water
* marks as well as (optionally) enabling the transmission of
* XON frames.
*/
ctrl = er32(CTRL);
- /* Because we didn't get link via the internal auto-negotiation
+ /*
+ * Because we didn't get link via the internal auto-negotiation
* mechanism (we either forced link or we got link via PHY
* auto-neg), we have to manually enable/disable transmit an
* receive flow control.
* frames but not send pause frames).
* 2: Tx flow control is enabled (we can send pause frames
* frames but we do not receive pause frames).
- * 3: Both Rx and TX flow control (symmetric) is enabled.
+ * 3: Both Rx and Tx flow control (symmetric) is enabled.
* other: No other values should be possible at this point.
*/
hw_dbg(hw, "mac->fc = %u\n", mac->fc);
u16 mii_status_reg, mii_nway_adv_reg, mii_nway_lp_ability_reg;
u16 speed, duplex;
- /* Check for the case where we have fiber media and auto-neg failed
+ /*
+ * Check for the case where we have fiber media and auto-neg failed
* so we had to force link. In this case, we need to force the
* configuration of the MAC to match the "fc" parameter.
*/
return ret_val;
}
- /* Check for the case where we have copper media and auto-neg is
+ /*
+ * Check for the case where we have copper media and auto-neg is
* enabled. In this case, we need to check and see if Auto-Neg
* has completed, and if so, how the PHY and link partner has
* flow control configured.
*/
if ((hw->media_type == e1000_media_type_copper) && mac->autoneg) {
- /* Read the MII Status Register and check to see if AutoNeg
+ /*
+ * Read the MII Status Register and check to see if AutoNeg
* has completed. We read this twice because this reg has
* some "sticky" (latched) bits.
*/
return ret_val;
}
- /* The AutoNeg process has completed, so we now need to
+ /*
+ * The AutoNeg process has completed, so we now need to
* read both the Auto Negotiation Advertisement
* Register (Address 4) and the Auto_Negotiation Base
* Page Ability Register (Address 5) to determine how
if (ret_val)
return ret_val;
- /* Two bits in the Auto Negotiation Advertisement Register
+ /*
+ * Two bits in the Auto Negotiation Advertisement Register
* (Address 4) and two bits in the Auto Negotiation Base
* Page Ability Register (Address 5) determine flow control
* for both the PHY and the link partner. The following
* 1 | 1 | 0 | 0 | e1000_fc_none
* 1 | 1 | 0 | 1 | e1000_fc_rx_pause
*
- */
- /* Are both PAUSE bits set to 1? If so, this implies
+ *
+ * Are both PAUSE bits set to 1? If so, this implies
* Symmetric Flow Control is enabled at both ends. The
* ASM_DIR bits are irrelevant per the spec.
*
*/
if ((mii_nway_adv_reg & NWAY_AR_PAUSE) &&
(mii_nway_lp_ability_reg & NWAY_LPAR_PAUSE)) {
- /* Now we need to check if the user selected RX ONLY
+ /*
+ * Now we need to check if the user selected Rx ONLY
* of pause frames. In this case, we had to advertise
- * FULL flow control because we could not advertise RX
+ * FULL flow control because we could not advertise Rx
* ONLY. Hence, we must now check to see if we need to
* turn OFF the TRANSMISSION of PAUSE frames.
*/
"RX PAUSE frames only.\r\n");
}
}
- /* For receiving PAUSE frames ONLY.
+ /*
+ * For receiving PAUSE frames ONLY.
*
* LOCAL DEVICE | LINK PARTNER
* PAUSE | ASM_DIR | PAUSE | ASM_DIR | Result
mac->fc = e1000_fc_tx_pause;
hw_dbg(hw, "Flow Control = TX PAUSE frames only.\r\n");
}
- /* For transmitting PAUSE frames ONLY.
+ /*
+ * For transmitting PAUSE frames ONLY.
*
* LOCAL DEVICE | LINK PARTNER
* PAUSE | ASM_DIR | PAUSE | ASM_DIR | Result
hw_dbg(hw, "Flow Control = NONE.\r\n");
}
- /* Now we need to do one last check... If we auto-
+ /*
+ * Now we need to do one last check... If we auto-
* negotiated to HALF DUPLEX, flow control should not be
* enabled per IEEE 802.3 spec.
*/
if (duplex == HALF_DUPLEX)
mac->fc = e1000_fc_none;
- /* Now we call a subroutine to actually force the MAC
+ /*
+ * Now we call a subroutine to actually force the MAC
* controller to use the correct flow control settings.
*/
ret_val = e1000e_force_mac_fc(hw);
ledctl_blink = E1000_LEDCTL_LED0_BLINK |
(E1000_LEDCTL_MODE_LED_ON << E1000_LEDCTL_LED0_MODE_SHIFT);
} else {
- /* set the blink bit for each LED that's "on" (0x0E)
- * in ledctl_mode2 */
+ /*
+ * set the blink bit for each LED that's "on" (0x0E)
+ * in ledctl_mode2
+ */
ledctl_blink = hw->mac.ledctl_mode2;
for (i = 0; i < 4; i++)
if (((hw->mac.ledctl_mode2 >> (i * 8)) & 0xFF) ==
else
mac->current_ifs_val +=
mac->ifs_step_size;
- ew32(AIT,
- mac->current_ifs_val);
+ ew32(AIT, mac->current_ifs_val);
}
}
} else {
udelay(1);
timeout = NVM_MAX_RETRY_SPI;
- /* Read "Status Register" repeatedly until the LSB is cleared.
+ /*
+ * Read "Status Register" repeatedly until the LSB is cleared.
* The EEPROM will signal that the command has been completed
* by clearing bit 0 of the internal status register. If it's
- * not cleared within 'timeout', then error out. */
+ * not cleared within 'timeout', then error out.
+ */
while (timeout) {
e1000_shift_out_eec_bits(hw, NVM_RDSR_OPCODE_SPI,
hw->nvm.opcode_bits);
u32 i, eerd = 0;
s32 ret_val = 0;
- /* A check for invalid values: offset too large, too many words,
- * and not enough words. */
+ /*
+ * A check for invalid values: offset too large, too many words,
+ * too many words for the offset, and not enough words.
+ */
if ((offset >= nvm->word_size) || (words > (nvm->word_size - offset)) ||
(words == 0)) {
hw_dbg(hw, "nvm parameter(s) out of bounds\n");
if (ret_val)
break;
- data[i] = (er32(EERD) >>
- E1000_NVM_RW_REG_DATA);
+ data[i] = (er32(EERD) >> E1000_NVM_RW_REG_DATA);
}
return ret_val;
s32 ret_val;
u16 widx = 0;
- /* A check for invalid values: offset too large, too many words,
- * and not enough words. */
+ /*
+ * A check for invalid values: offset too large, too many words,
+ * and not enough words.
+ */
if ((offset >= nvm->word_size) || (words > (nvm->word_size - offset)) ||
(words == 0)) {
hw_dbg(hw, "nvm parameter(s) out of bounds\n");
e1000_standby_nvm(hw);
- /* Some SPI eeproms use the 8th address bit embedded in the
- * opcode */
+ /*
+ * Some SPI eeproms use the 8th address bit embedded in the
+ * opcode
+ */
if ((nvm->address_bits == 8) && (offset >= 128))
write_opcode |= NVM_A8_OPCODE_SPI;
/* Check for an alternate MAC address. An alternate MAC
* address can be setup by pre-boot software and must be
* treated like a permanent address and must override the
- * actual permanent MAC address. */
+ * actual permanent MAC address.*/
ret_val = e1000_read_nvm(hw, NVM_ALT_MAC_ADDR_PTR, 1,
- &mac_addr_offset);
+ &mac_addr_offset);
if (ret_val) {
hw_dbg(hw, "NVM Read Error\n");
return ret_val;
mac_addr_offset += ETH_ALEN/sizeof(u16);
/* make sure we have a valid mac address here
- * before using it */
+ * before using it */
ret_val = e1000_read_nvm(hw, mac_addr_offset, 1,
&nvm_data);
if (ret_val) {
}
if (mac_addr_offset)
- hw->dev_spec.e82571.alt_mac_addr_is_present = 1;
+ hw->dev_spec.e82571.alt_mac_addr_is_present = 1;
}
for (i = 0; i < ETH_ALEN; i += 2) {
}
/**
- * e1000e_enable_tx_pkt_filtering - Enable packet filtering on TX
+ * e1000e_enable_tx_pkt_filtering - Enable packet filtering on Tx
* @hw: pointer to the HW structure
*
* Enables packet filtering on transmit packets if manageability is enabled
return 0;
}
- /* If we can't read from the host interface for whatever
+ /*
+ * If we can't read from the host interface for whatever
* reason, disable filtering.
*/
ret_val = e1000_mng_enable_host_if(hw);
hdr->checksum = 0;
csum = e1000_calculate_checksum((u8 *)hdr,
E1000_MNG_DHCP_COOKIE_LENGTH);
- /* If either the checksums or signature don't match, then
+ /*
+ * If either the checksums or signature don't match, then
* the cookie area isn't considered valid, in which case we
* take the safe route of assuming Tx filtering is enabled.
*/
/* Calculate length in DWORDs */
length >>= 2;
- /* The device driver writes the relevant command block into the
- * ram area. */
+ /*
+ * The device driver writes the relevant command block into the
+ * ram area.
+ */
for (i = 0; i < length; i++) {
for (j = 0; j < sizeof(u32); j++) {
*(tmp + j) = *bufptr++;
/*******************************************************************************
Intel PRO/1000 Linux driver
- Copyright(c) 1999 - 2007 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,
}
/**
- * e1000_receive_skb - helper function to handle rx indications
+ * e1000_receive_skb - helper function to handle Rx indications
* @adapter: board private structure
* @status: descriptor status field as written by hardware
* @vlan: descriptor vlan field as written by hardware (no le/be conversion)
/* TCP checksum is good */
skb->ip_summed = CHECKSUM_UNNECESSARY;
} else {
- /* IP fragment with UDP payload */
- /* Hardware complements the payload checksum, so we undo it
+ /*
+ * IP fragment with UDP payload
+ * Hardware complements the payload checksum, so we undo it
* and then put the value in host order for further stack use.
*/
__sum16 sum = (__force __sum16)htons(csum);
break;
}
- /* Make buffer alignment 2 beyond a 16 byte boundary
+ /*
+ * Make buffer alignment 2 beyond a 16 byte boundary
* this will result in a 16 byte aligned IP header after
* the 14 byte MAC header is removed
*/
if (i-- == 0)
i = (rx_ring->count - 1);
- /* Force memory writes to complete before letting h/w
+ /*
+ * Force memory writes to complete before letting h/w
* know there are new descriptors to fetch. (Only
* applicable for weak-ordered memory model archs,
- * such as IA-64). */
+ * such as IA-64).
+ */
wmb();
writel(i, adapter->hw.hw_addr + rx_ring->tail);
}
break;
}
- /* Make buffer alignment 2 beyond a 16 byte boundary
+ /*
+ * Make buffer alignment 2 beyond a 16 byte boundary
* this will result in a 16 byte aligned IP header after
* the 14 byte MAC header is removed
*/
if (!(i--))
i = (rx_ring->count - 1);
- /* Force memory writes to complete before letting h/w
+ /*
+ * Force memory writes to complete before letting h/w
* know there are new descriptors to fetch. (Only
* applicable for weak-ordered memory model archs,
- * such as IA-64). */
+ * such as IA-64).
+ */
wmb();
- /* Hardware increments by 16 bytes, but packet split
+ /*
+ * Hardware increments by 16 bytes, but packet split
* descriptors are 32 bytes...so we increment tail
* twice as much.
*/
total_rx_bytes += length;
total_rx_packets++;
- /* code added for copybreak, this should improve
+ /*
+ * code added for copybreak, this should improve
* performance for small packets with large amounts
- * of reassembly being done in the stack */
+ * of reassembly being done in the stack
+ */
if (length < copybreak) {
struct sk_buff *new_skb =
netdev_alloc_skb(netdev, length + NET_IP_ALIGN);
}
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 */
+ /*
+ * Detect a transmit hang in hardware, this serializes the
+ * check with the clearing of time_stamp and movement of i
+ */
adapter->detect_tx_hung = 0;
if (tx_ring->buffer_info[eop].dma &&
time_after(jiffies, tx_ring->buffer_info[eop].time_stamp
+ (adapter->tx_timeout_factor * HZ))
- && !(er32(STATUS) &
- E1000_STATUS_TXOFF)) {
+ && !(er32(STATUS) & E1000_STATUS_TXOFF)) {
e1000_print_tx_hang(adapter);
netif_stop_queue(netdev);
}
skb_put(skb, length);
{
- /* this looks ugly, but it seems compiler issues make it
- more efficient than reusing j */
+ /*
+ * this looks ugly, but it seems compiler issues make it
+ * more efficient than reusing j
+ */
int l1 = le16_to_cpu(rx_desc->wb.upper.length[0]);
- /* page alloc/put takes too long and effects small packet
- * throughput, so unsplit small packets and save the alloc/put*/
+ /*
+ * page alloc/put takes too long and effects small packet
+ * throughput, so unsplit small packets and save the alloc/put
+ * only valid in softirq (napi) context to call kmap_*
+ */
if (l1 && (l1 <= copybreak) &&
((length + l1) <= adapter->rx_ps_bsize0)) {
u8 *vaddr;
ps_page = &buffer_info->ps_pages[0];
- /* there is no documentation about how to call
+ /*
+ * there is no documentation about how to call
* kmap_atomic, so we can't hold the mapping
- * very long */
+ * very long
+ */
pci_dma_sync_single_for_cpu(pdev, ps_page->dma,
PAGE_SIZE, PCI_DMA_FROMDEVICE);
vaddr = kmap_atomic(ps_page->page, KM_SKB_DATA_SOFTIRQ);
struct e1000_hw *hw = &adapter->hw;
u32 icr = er32(ICR);
- /* read ICR disables interrupts using IAM */
+ /*
+ * read ICR disables interrupts using IAM
+ */
if (icr & (E1000_ICR_RXSEQ | E1000_ICR_LSC)) {
hw->mac.get_link_status = 1;
- /* ICH8 workaround-- Call gig speed drop workaround on cable
- * disconnect (LSC) before accessing any PHY registers */
+ /*
+ * ICH8 workaround-- Call gig speed drop workaround on cable
+ * disconnect (LSC) before accessing any PHY registers
+ */
if ((adapter->flags & FLAG_LSC_GIG_SPEED_DROP) &&
(!(er32(STATUS) & E1000_STATUS_LU)))
e1000e_gig_downshift_workaround_ich8lan(hw);
- /* 80003ES2LAN workaround-- For packet buffer work-around on
+ /*
+ * 80003ES2LAN workaround-- For packet buffer work-around on
* link down event; disable receives here in the ISR and reset
- * adapter in watchdog */
+ * adapter in watchdog
+ */
if (netif_carrier_ok(netdev) &&
adapter->flags & FLAG_RX_NEEDS_RESTART) {
/* disable receives */
if (!icr)
return IRQ_NONE; /* Not our interrupt */
- /* IMS will not auto-mask if INT_ASSERTED is not set, and if it is
- * not set, then the adapter didn't send an interrupt */
+ /*
+ * IMS will not auto-mask if INT_ASSERTED is not set, and if it is
+ * not set, then the adapter didn't send an interrupt
+ */
if (!(icr & E1000_ICR_INT_ASSERTED))
return IRQ_NONE;
- /* Interrupt Auto-Mask...upon reading ICR, interrupts are masked. No
- * need for the IMC write */
+ /*
+ * Interrupt Auto-Mask...upon reading ICR,
+ * interrupts are masked. No need for the
+ * IMC write
+ */
if (icr & (E1000_ICR_RXSEQ | E1000_ICR_LSC)) {
hw->mac.get_link_status = 1;
- /* ICH8 workaround-- Call gig speed drop workaround on cable
- * disconnect (LSC) before accessing any PHY registers */
+ /*
+ * ICH8 workaround-- Call gig speed drop workaround on cable
+ * disconnect (LSC) before accessing any PHY registers
+ */
if ((adapter->flags & FLAG_LSC_GIG_SPEED_DROP) &&
(!(er32(STATUS) & E1000_STATUS_LU)))
e1000e_gig_downshift_workaround_ich8lan(hw);
- /* 80003ES2LAN workaround--
+ /*
+ * 80003ES2LAN workaround--
* For packet buffer work-around on link down event;
* disable receives here in the ISR and
* reset adapter in watchdog
ew32(SWSM, swsm | E1000_SWSM_DRV_LOAD);
} else if (adapter->flags & FLAG_HAS_CTRLEXT_ON_LOAD) {
ctrl_ext = er32(CTRL_EXT);
- ew32(CTRL_EXT,
- ctrl_ext | E1000_CTRL_EXT_DRV_LOAD);
+ ew32(CTRL_EXT, ctrl_ext | E1000_CTRL_EXT_DRV_LOAD);
}
}
ew32(SWSM, swsm & ~E1000_SWSM_DRV_LOAD);
} else if (adapter->flags & FLAG_HAS_CTRLEXT_ON_LOAD) {
ctrl_ext = er32(CTRL_EXT);
- ew32(CTRL_EXT,
- ctrl_ext & ~E1000_CTRL_EXT_DRV_LOAD);
+ ew32(CTRL_EXT, ctrl_ext & ~E1000_CTRL_EXT_DRV_LOAD);
}
}
set_itr_now:
if (new_itr != adapter->itr) {
- /* this attempts to bias the interrupt rate towards Bulk
+ /*
+ * this attempts to bias the interrupt rate towards Bulk
* by adding intermediate steps when interrupt rate is
- * increasing */
+ * increasing
+ */
new_itr = new_itr > adapter->itr ?
min(adapter->itr + (new_itr >> 2), new_itr) :
new_itr;
/**
* e1000_clean - NAPI Rx polling callback
- * @adapter: board private structure
+ * @napi: struct associated with this polling callback
* @budget: amount of packets driver is allowed to process this poll
**/
static int e1000_clean(struct napi_struct *napi, int budget)
/* Must NOT use netdev_priv macro here. */
adapter = poll_dev->priv;
- /* e1000_clean is called per-cpu. This lock protects
+ /*
+ * e1000_clean is called per-cpu. This lock protects
* tx_ring from being cleaned by multiple cpus
* simultaneously. A failure obtaining the lock means
- * tx_ring is currently being cleaned anyway. */
+ * tx_ring is currently being cleaned anyway.
+ */
if (spin_trylock(&adapter->tx_queue_lock)) {
tx_cleaned = e1000_clean_tx_irq(adapter);
spin_unlock(&adapter->tx_queue_lock);
manc = er32(MANC);
- /* enable receiving management packets to the host. this will probably
+ /*
+ * enable receiving management packets to the host. this will probably
* generate destination unreachable messages from the host OS, but
- * the packets will be handled on SMBUS */
+ * the packets will be handled on SMBUS
+ */
manc |= E1000_MANC_EN_MNG2HOST;
manc2h = er32(MANC2H);
#define E1000_MNG2HOST_PORT_623 (1 << 5)
/* Set the Tx Interrupt Delay register */
ew32(TIDV, adapter->tx_int_delay);
- /* tx irq moderation */
+ /* Tx irq moderation */
ew32(TADV, adapter->tx_abs_int_delay);
/* Program the Transmit Control Register */
if (adapter->flags & FLAG_TARC_SPEED_MODE_BIT) {
tarc = er32(TARC0);
- /* set the speed mode bit, we'll clear it if we're not at
- * gigabit link later */
+ /*
+ * set the speed mode bit, we'll clear it if we're not at
+ * gigabit link later
+ */
#define SPEED_MODE_BIT (1 << 21)
tarc |= SPEED_MODE_BIT;
ew32(TARC0, tarc);
/* Configure extra packet-split registers */
rfctl = er32(RFCTL);
rfctl |= E1000_RFCTL_EXTEN;
- /* disable packet split support for IPv6 extension headers,
- * because some malformed IPv6 headers can hang the RX */
+ /*
+ * disable packet split support for IPv6 extension headers,
+ * because some malformed IPv6 headers can hang the Rx
+ */
rfctl |= (E1000_RFCTL_IPV6_EX_DIS |
E1000_RFCTL_NEW_IPV6_EXT_DIS);
/* irq moderation */
ew32(RADV, adapter->rx_abs_int_delay);
if (adapter->itr_setting != 0)
- ew32(ITR,
- 1000000000 / (adapter->itr * 256));
+ ew32(ITR, 1000000000 / (adapter->itr * 256));
ctrl_ext = er32(CTRL_EXT);
/* Reset delay timers after every interrupt */
ew32(CTRL_EXT, ctrl_ext);
e1e_flush();
- /* Setup the HW Rx Head and Tail Descriptor Pointers and
- * the Base and Length of the Rx Descriptor Ring */
+ /*
+ * Setup the HW Rx Head and Tail Descriptor Pointers and
+ * the Base and Length of the Rx Descriptor Ring
+ */
rdba = rx_ring->dma;
ew32(RDBAL, (rdba & DMA_32BIT_MASK));
ew32(RDBAH, (rdba >> 32));
if (adapter->flags & FLAG_RX_CSUM_ENABLED) {
rxcsum |= E1000_RXCSUM_TUOFL;
- /* IPv4 payload checksum for UDP fragments must be
- * used in conjunction with packet-split. */
+ /*
+ * IPv4 payload checksum for UDP fragments must be
+ * used in conjunction with packet-split.
+ */
if (adapter->rx_ps_pages)
rxcsum |= E1000_RXCSUM_IPPCSE;
} else {
}
ew32(RXCSUM, rxcsum);
- /* Enable early receives on supported devices, only takes effect when
+ /*
+ * Enable early receives on supported devices, only takes effect when
* packet size is equal or larger than the specified value (in 8 byte
- * units), e.g. using jumbo frames when setting to E1000_ERT_2048 */
+ * units), e.g. using jumbo frames when setting to E1000_ERT_2048
+ */
if ((adapter->flags & FLAG_HAS_ERT) &&
(adapter->netdev->mtu > ETH_DATA_LEN))
ew32(ERT, E1000_ERT_2048);
}
/**
- * e1000_configure - configure the hardware for RX and TX
+ * e1000_configure - configure the hardware for Rx and Tx
* @adapter: private board structure
**/
static void e1000_configure(struct e1000_adapter *adapter)
e1000_configure_tx(adapter);
e1000_setup_rctl(adapter);
e1000_configure_rx(adapter);
- adapter->alloc_rx_buf(adapter,
- e1000_desc_unused(adapter->rx_ring));
+ adapter->alloc_rx_buf(adapter, e1000_desc_unused(adapter->rx_ring));
}
/**
/* Just clear the power down bit to wake the phy back up */
if (adapter->hw.media_type == e1000_media_type_copper) {
- /* according to the manual, the phy will retain its
- * settings across a power-down/up cycle */
+ /*
+ * According to the manual, the phy will retain its
+ * settings across a power-down/up cycle
+ */
e1e_rphy(&adapter->hw, PHY_CONTROL, &mii_reg);
mii_reg &= ~MII_CR_POWER_DOWN;
e1e_wphy(&adapter->hw, PHY_CONTROL, mii_reg);
return;
/* reset is blocked because of a SoL/IDER session */
- if (e1000e_check_mng_mode(hw) ||
- e1000_check_reset_block(hw))
+ if (e1000e_check_mng_mode(hw) || e1000_check_reset_block(hw))
return;
/* manageability (AMT) is enabled */
* This function boots the hardware and enables some settings that
* require a configuration cycle of the hardware - those cannot be
* set/changed during runtime. After reset the device needs to be
- * properly configured for rx, tx etc.
+ * properly configured for Rx, Tx etc.
*/
void e1000e_reset(struct e1000_adapter *adapter)
{
u32 pba;
u16 hwm;
+ /* reset Packet Buffer Allocation to default */
ew32(PBA, adapter->pba);
if (mac->max_frame_size > ETH_FRAME_LEN + ETH_FCS_LEN ) {
- /* To maintain wire speed transmits, the Tx FIFO should be
+ /*
+ * To maintain wire speed transmits, the Tx FIFO should be
* large enough to accommodate two full transmit packets,
* rounded up to the next 1KB and expressed in KB. Likewise,
* the Rx FIFO should be large enough to accommodate at least
* one full receive packet and is similarly rounded up and
- * expressed in KB. */
+ * expressed in KB.
+ */
pba = er32(PBA);
/* upper 16 bits has Tx packet buffer allocation size in KB */
tx_space = pba >> 16;
/* lower 16 bits has Rx packet buffer allocation size in KB */
pba &= 0xffff;
- /* the tx fifo also stores 16 bytes of information about the tx
- * but don't include ethernet FCS because hardware appends it */
- min_tx_space = (mac->max_frame_size +
+ /*
+ * the Tx fifo also stores 16 bytes of information about the tx
+ * but don't include ethernet FCS because hardware appends it
+ */ min_tx_space = (mac->max_frame_size +
sizeof(struct e1000_tx_desc) -
ETH_FCS_LEN) * 2;
min_tx_space = ALIGN(min_tx_space, 1024);
min_rx_space = ALIGN(min_rx_space, 1024);
min_rx_space >>= 10;
- /* If current Tx allocation is less than the min Tx FIFO size,
+ /*
+ * If current Tx allocation is less than the min Tx FIFO size,
* and the min Tx FIFO size is less than the current Rx FIFO
- * allocation, take space away from current Rx allocation */
+ * allocation, take space away from current Rx allocation
+ */
if ((tx_space < min_tx_space) &&
((min_tx_space - tx_space) < pba)) {
pba -= min_tx_space - tx_space;
- /* if short on rx space, rx wins and must trump tx
- * adjustment or use Early Receive if available */
+ /*
+ * if short on Rx space, Rx wins and must trump tx
+ * adjustment or use Early Receive if available
+ */
if ((pba < min_rx_space) &&
(!(adapter->flags & FLAG_HAS_ERT)))
/* ERT enabled in e1000_configure_rx */
}
- /* flow control settings */
- /* The high water mark must be low enough to fit one full frame
+ /*
+ * flow control settings
+ *
+ * The high water mark must be low enough to fit one full frame
* (or the size used for early receive) above it in the Rx FIFO.
* Set it to the lower of:
* - 90% of the Rx FIFO size, and
* - the full Rx FIFO size minus the early receive size (for parts
* with ERT support assuming ERT set to E1000_ERT_2048), or
- * - the full Rx FIFO size minus one full frame */
+ * - the full Rx FIFO size minus one full frame
+ */
if (adapter->flags & FLAG_HAS_ERT)
hwm = min(((adapter->pba << 10) * 9 / 10),
((adapter->pba << 10) - (E1000_ERT_2048 << 3)));
if (!(adapter->flags & FLAG_SMART_POWER_DOWN)) {
u16 phy_data = 0;
- /* speed up time to link by disabling smart power down, ignore
+ /*
+ * speed up time to link by disabling smart power down, ignore
* the return value of this function because there is nothing
- * different we would do if it failed */
+ * different we would do if it failed
+ */
e1e_rphy(hw, IGP02E1000_PHY_POWER_MGMT, &phy_data);
phy_data &= ~IGP02E1000_PM_SPD;
e1e_wphy(hw, IGP02E1000_PHY_POWER_MGMT, phy_data);
struct e1000_hw *hw = &adapter->hw;
u32 tctl, rctl;
- /* signal that we're down so the interrupt handler does not
- * reschedule our watchdog timer */
+ /*
+ * signal that we're down so the interrupt handler does not
+ * reschedule our watchdog timer
+ */
set_bit(__E1000_DOWN, &adapter->state);
/* disable receives in the hardware */
E1000_MNG_DHCP_COOKIE_STATUS_VLAN))
e1000_update_mng_vlan(adapter);
- /* If AMT is enabled, let the firmware know that the network
- * interface is now open */
+ /*
+ * If AMT is enabled, let the firmware know that the network
+ * interface is now open
+ */
if ((adapter->flags & FLAG_HAS_AMT) &&
e1000e_check_mng_mode(&adapter->hw))
e1000_get_hw_control(adapter);
- /* before we allocate an interrupt, we must be ready to handle it.
+ /*
+ * before we allocate an interrupt, we must be ready to handle it.
* Setting DEBUG_SHIRQ in the kernel makes it fire an interrupt
* as soon as we call pci_request_irq, so we have to setup our
- * clean_rx handler before we do so. */
+ * clean_rx handler before we do so.
+ */
e1000_configure(adapter);
err = e1000_request_irq(adapter);
e1000e_free_tx_resources(adapter);
e1000e_free_rx_resources(adapter);
- /* kill manageability vlan ID if supported, but not if a vlan with
- * the same ID is registered on the host OS (let 8021q kill it) */
+ /*
+ * kill manageability vlan ID if supported, but not if a vlan with
+ * the same ID is registered on the host OS (let 8021q kill it)
+ */
if ((adapter->hw.mng_cookie.status &
E1000_MNG_DHCP_COOKIE_STATUS_VLAN) &&
!(adapter->vlgrp &&
vlan_group_get_device(adapter->vlgrp, adapter->mng_vlan_id)))
e1000_vlan_rx_kill_vid(netdev, adapter->mng_vlan_id);
- /* If AMT is enabled, let the firmware know that the network
- * interface is now closed */
+ /*
+ * If AMT is enabled, let the firmware know that the network
+ * interface is now closed
+ */
if ((adapter->flags & FLAG_HAS_AMT) &&
e1000e_check_mng_mode(&adapter->hw))
e1000_release_hw_control(adapter);
/* activate the work around */
e1000e_set_laa_state_82571(&adapter->hw, 1);
- /* Hold a copy of the LAA in RAR[14] This is done so that
+ /*
+ * Hold a copy of the LAA in RAR[14] This is done so that
* between the time RAR[0] gets clobbered and the time it
* gets fixed (in e1000_watchdog), the actual LAA is in one
* of the RARs and no incoming packets directed to this port
* are dropped. Eventually the LAA will be in RAR[0] and
- * RAR[14] */
+ * RAR[14]
+ */
e1000e_rar_set(&adapter->hw,
adapter->hw.mac.addr,
adapter->hw.mac.rar_entry_count - 1);
return 0;
}
-/* Need to wait a few seconds after link up to get diagnostic information from
- * the phy */
+/*
+ * Need to wait a few seconds after link up to get diagnostic information from
+ * the phy
+ */
static void e1000_update_phy_info(unsigned long data)
{
struct e1000_adapter *adapter = (struct e1000_adapter *) data;
spin_lock_irqsave(&adapter->stats_lock, irq_flags);
- /* these counters are modified from e1000_adjust_tbi_stats,
+ /*
+ * these counters are modified from e1000_adjust_tbi_stats,
* called from the interrupt context, so they must only
* be written while holding adapter->stats_lock
*/
/* Rx Errors */
- /* RLEC on some newer hardware can be incorrect so build
- * our own version based on RUC and ROC */
+ /*
+ * RLEC on some newer hardware can be incorrect so build
+ * our own version based on RUC and ROC
+ */
adapter->net_stats.rx_errors = adapter->stats.rxerrc +
adapter->stats.crcerrs + adapter->stats.algnerrc +
adapter->stats.ruc + adapter->stats.roc +
&adapter->link_speed,
&adapter->link_duplex);
e1000_print_link_info(adapter);
- /* tweak tx_queue_len according to speed/duplex
- * and adjust the timeout factor */
+ /*
+ * tweak tx_queue_len according to speed/duplex
+ * and adjust the timeout factor
+ */
netdev->tx_queue_len = adapter->tx_queue_len;
adapter->tx_timeout_factor = 1;
switch (adapter->link_speed) {
break;
}
- /* workaround: re-program speed mode bit after
- * link-up event */
+ /*
+ * workaround: re-program speed mode bit after
+ * link-up event
+ */
if ((adapter->flags & FLAG_TARC_SPEED_MODE_BIT) &&
!txb2b) {
u32 tarc0;
ew32(TARC0, tarc0);
}
- /* disable TSO for pcie and 10/100 speeds, to avoid
- * some hardware issues */
+ /*
+ * disable TSO for pcie and 10/100 speeds, to avoid
+ * some hardware issues
+ */
if (!(adapter->flags & FLAG_TSO_FORCE)) {
switch (adapter->link_speed) {
case SPEED_10:
}
}
- /* enable transmits in the hardware, need to do this
- * after setting TARC0 */
+ /*
+ * enable transmits in the hardware, need to do this
+ * after setting TARC(0)
+ */
tctl = er32(TCTL);
tctl |= E1000_TCTL_EN;
ew32(TCTL, tctl);
tx_pending = (e1000_desc_unused(tx_ring) + 1 <
tx_ring->count);
if (tx_pending) {
- /* We've lost link, so the controller stops DMA,
+ /*
+ * 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.
- * (Do the reset outside of interrupt context). */
+ * (Do the reset outside of interrupt context).
+ */
adapter->tx_timeout_count++;
schedule_work(&adapter->reset_task);
}
}
- /* Cause software interrupt to ensure rx ring is cleaned */
+ /* Cause software interrupt to ensure Rx ring is cleaned */
ew32(ICS, E1000_ICS_RXDMT0);
/* Force detection of hung controller every watchdog period */
adapter->detect_tx_hung = 1;
- /* With 82571 controllers, LAA may be overwritten due to controller
- * reset from the other port. Set the appropriate LAA in RAR[0] */
+ /*
+ * With 82571 controllers, LAA may be overwritten due to controller
+ * reset from the other port. Set the appropriate LAA in RAR[0]
+ */
if (e1000e_get_laa_state_82571(hw))
e1000e_rar_set(hw, adapter->hw.mac.addr, 0);
tx_desc->lower.data |= cpu_to_le32(adapter->txd_cmd);
- /* Force memory writes to complete before letting h/w
+ /*
+ * Force memory writes to complete before letting h/w
* know there are new descriptors to fetch. (Only
* applicable for weak-ordered memory model archs,
- * such as IA-64). */
+ * such as IA-64).
+ */
wmb();
tx_ring->next_to_use = i;
writel(i, adapter->hw.hw_addr + tx_ring->tail);
- /* we need this if more than one processor can write to our tail
- * at a time, it synchronizes IO on IA64/Altix systems */
+ /*
+ * we need this if more than one processor can write to our tail
+ * at a time, it synchronizes IO on IA64/Altix systems
+ */
mmiowb();
}
struct e1000_adapter *adapter = netdev_priv(netdev);
netif_stop_queue(netdev);
- /* Herbert's original patch had:
+ /*
+ * Herbert's original patch had:
* smp_mb__after_netif_stop_queue();
- * but since that doesn't exist yet, just open code it. */
+ * but since that doesn't exist yet, just open code it.
+ */
smp_mb();
- /* We need to check again in a case another CPU has just
- * made room available. */
+ /*
+ * We need to check again in a case another CPU has just
+ * made room available.
+ */
if (e1000_desc_unused(adapter->tx_ring) < size)
return -EBUSY;
}
mss = skb_shinfo(skb)->gso_size;
- /* The controller does a simple calculation to
+ /*
+ * The controller does a simple calculation to
* make sure there is enough room in the FIFO before
* initiating the DMA for each buffer. The calc is:
* 4 = ceil(buffer len/mss). To make sure we don't
* overrun the FIFO, adjust the max buffer len if mss
- * drops. */
+ * drops.
+ */
if (mss) {
u8 hdr_len;
max_per_txd = min(mss << 2, max_per_txd);
max_txd_pwr = fls(max_per_txd) - 1;
- /* TSO Workaround for 82571/2/3 Controllers -- if skb->data
- * points to just header, pull a few bytes of payload from
- * frags into skb->data */
+ /*
+ * TSO Workaround for 82571/2/3 Controllers -- if skb->data
+ * points to just header, pull a few bytes of payload from
+ * frags into skb->data
+ */
hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb);
+ /*
+ * we do this workaround for ES2LAN, but it is un-necessary,
+ * avoiding it could save a lot of cycles
+ */
if (skb->data_len && (hdr_len == len)) {
unsigned int pull_size;
/* Collision - tell upper layer to requeue */
return NETDEV_TX_LOCKED;
- /* need: count + 2 desc gap to keep tail from touching
- * head, otherwise try next time */
+ /*
+ * need: count + 2 desc gap to keep tail from touching
+ * head, otherwise try next time
+ */
if (e1000_maybe_stop_tx(netdev, count + 2)) {
spin_unlock_irqrestore(&adapter->tx_queue_lock, irq_flags);
return NETDEV_TX_BUSY;
else if (e1000_tx_csum(adapter, skb))
tx_flags |= E1000_TX_FLAGS_CSUM;
- /* Old method was to assume IPv4 packet by default if TSO was enabled.
+ /*
+ * Old method was to assume IPv4 packet by default if TSO was enabled.
* 82571 hardware supports TSO capabilities for IPv6 as well...
- * no longer assume, we must. */
+ * no longer assume, we must.
+ */
if (skb->protocol == htons(ETH_P_IP))
tx_flags |= E1000_TX_FLAGS_IPV4;
if (netif_running(netdev))
e1000e_down(adapter);
- /* NOTE: netdev_alloc_skb reserves 16 bytes, and typically NET_IP_ALIGN
+ /*
+ * NOTE: netdev_alloc_skb reserves 16 bytes, and typically NET_IP_ALIGN
* means we reserve 2 more, this pushes us to allocate from the next
* larger slab size.
- * i.e. RXBUFFER_2048 --> size-4096 slab */
+ * i.e. RXBUFFER_2048 --> size-4096 slab
+ */
if (max_frame <= 256)
adapter->rx_buffer_len = 256;
if ((max_frame == ETH_FRAME_LEN + ETH_FCS_LEN) ||
(max_frame == ETH_FRAME_LEN + VLAN_HLEN + ETH_FCS_LEN))
adapter->rx_buffer_len = ETH_FRAME_LEN + VLAN_HLEN
- + ETH_FCS_LEN ;
+ + ETH_FCS_LEN;
ndev_info(netdev, "changing MTU from %d to %d\n",
netdev->mtu, new_mtu);
if (adapter->hw.phy.type == e1000_phy_igp_3)
e1000e_igp3_phy_powerdown_workaround_ich8lan(&adapter->hw);
- /* Release control of h/w to f/w. If f/w is AMT enabled, this
- * would have already happened in close and is redundant. */
+ /*
+ * Release control of h/w to f/w. If f/w is AMT enabled, this
+ * would have already happened in close and is redundant.
+ */
e1000_release_hw_control(adapter);
pci_disable_device(pdev);
netif_device_attach(netdev);
- /* If the controller has AMT, do not set DRV_LOAD until the interface
+ /*
+ * If the controller has AMT, do not set DRV_LOAD until the interface
* is up. For all other cases, let the f/w know that the h/w is now
- * under the control of the driver. */
+ * under the control of the driver.
+ */
if (!(adapter->flags & FLAG_HAS_AMT) || !e1000e_check_mng_mode(&adapter->hw))
e1000_get_hw_control(adapter);
netif_device_attach(netdev);
- /* If the controller has AMT, do not set DRV_LOAD until the interface
+ /*
+ * If the controller has AMT, do not set DRV_LOAD until the interface
* is up. For all other cases, let the f/w know that the h/w is now
- * under the control of the driver. */
+ * under the control of the driver.
+ */
if (!(adapter->flags & FLAG_HAS_AMT) ||
!e1000e_check_mng_mode(&adapter->hw))
e1000_get_hw_control(adapter);
if (pci_using_dac)
netdev->features |= NETIF_F_HIGHDMA;
- /* We should not be using LLTX anymore, but we are still TX faster with
- * it. */
+ /*
+ * We should not be using LLTX anymore, but we are still Tx faster with
+ * it.
+ */
netdev->features |= NETIF_F_LLTX;
if (e1000e_enable_mng_pass_thru(&adapter->hw))
adapter->flags |= FLAG_MNG_PT_ENABLED;
- /* before reading the NVM, reset the controller to
- * put the device in a known good starting state */
+ /*
+ * before reading the NVM, reset the controller to
+ * put the device in a known good starting state
+ */
adapter->hw.mac.ops.reset_hw(&adapter->hw);
/*
/* reset the hardware with the new settings */
e1000e_reset(adapter);
- /* If the controller has AMT, do not set DRV_LOAD until the interface
+ /*
+ * If the controller has AMT, do not set DRV_LOAD until the interface
* is up. For all other cases, let the f/w know that the h/w is now
- * under the control of the driver. */
+ * under the control of the driver.
+ */
if (!(adapter->flags & FLAG_HAS_AMT) ||
!e1000e_check_mng_mode(&adapter->hw))
e1000_get_hw_control(adapter);
struct net_device *netdev = pci_get_drvdata(pdev);
struct e1000_adapter *adapter = netdev_priv(netdev);
- /* flush_scheduled work may reschedule our watchdog task, so
- * explicitly disable watchdog tasks from being rescheduled */
+ /*
+ * flush_scheduled work may reschedule our watchdog task, so
+ * explicitly disable watchdog tasks from being rescheduled
+ */
set_bit(__E1000_DOWN, &adapter->state);
del_timer_sync(&adapter->watchdog_timer);
del_timer_sync(&adapter->phy_info_timer);
flush_scheduled_work();
- /* Release control of h/w to f/w. If f/w is AMT enabled, this
- * would have already happened in close and is redundant. */
+ /*
+ * Release control of h/w to f/w. If f/w is AMT enabled, this
+ * would have already happened in close and is redundant.
+ */
e1000_release_hw_control(adapter);
unregister_netdev(netdev);
{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571EB_SERDES_DUAL), board_82571 },
{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571EB_SERDES_QUAD), board_82571 },
{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571PT_QUAD_COPPER), board_82571 },
+
{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82572EI), board_82572 },
{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82572EI_COPPER), board_82572 },
{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82572EI_FIBER), board_82572 },
{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82572EI_SERDES), board_82572 },
+
{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82573E), board_82573 },
{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82573E_IAMT), board_82573 },
{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82573L), board_82573 },
+
{ PCI_VDEVICE(INTEL, E1000_DEV_ID_80003ES2LAN_COPPER_DPT),
board_80003es2lan },
{ PCI_VDEVICE(INTEL, E1000_DEV_ID_80003ES2LAN_COPPER_SPT),
board_80003es2lan },
{ PCI_VDEVICE(INTEL, E1000_DEV_ID_80003ES2LAN_SERDES_SPT),
board_80003es2lan },
+
{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH8_IFE), board_ich8lan },
{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH8_IFE_G), board_ich8lan },
{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH8_IFE_GT), board_ich8lan },
{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH8_IGP_C), board_ich8lan },
{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH8_IGP_M), board_ich8lan },
{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH8_IGP_M_AMT), board_ich8lan },
+
{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_IFE), board_ich9lan },
{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_IFE_G), board_ich9lan },
{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_IFE_GT), board_ich9lan },
.probe = e1000_probe,
.remove = __devexit_p(e1000_remove),
#ifdef CONFIG_PM
- /* Power Managment Hooks */
+ /* Power Management Hooks */
.suspend = e1000_suspend,
.resume = e1000_resume,
#endif
int ret;
printk(KERN_INFO "%s: Intel(R) PRO/1000 Network Driver - %s\n",
e1000e_driver_name, e1000e_driver_version);
- printk(KERN_INFO "%s: Copyright (c) 1999-2007 Intel Corporation.\n",
+ printk(KERN_INFO "%s: Copyright (c) 1999-2008 Intel Corporation.\n",
e1000e_driver_name);
ret = pci_register_driver(&e1000_driver);
/*******************************************************************************
Intel PRO/1000 Linux driver
- Copyright(c) 1999 - 2007 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,
#include "e1000.h"
-/* This is the only thing that needs to be changed to adjust the
+/*
+ * This is the only thing that needs to be changed to adjust the
* maximum number of ports that the driver can manage.
*/
MODULE_PARM_DESC(copybreak,
"Maximum size of packet that is copied to a new buffer on receive");
-/* All parameters are treated the same, as an integer array of values.
+/*
+ * All parameters are treated the same, as an integer array of values.
* This macro just reduces the need to repeat the same declaration code
* over and over (plus this helps to avoid typo bugs).
*/
MODULE_PARM_DESC(X, desc);
-/* Transmit Interrupt Delay in units of 1.024 microseconds
- * Tx interrupt delay needs to typically be set to something non zero
+/*
+ * Transmit Interrupt Delay in units of 1.024 microseconds
+ * Tx interrupt delay needs to typically be set to something non zero
*
* Valid Range: 0-65535
*/
#define MAX_TXDELAY 0xFFFF
#define MIN_TXDELAY 0
-/* Transmit Absolute Interrupt Delay in units of 1.024 microseconds
+/*
+ * Transmit Absolute Interrupt Delay in units of 1.024 microseconds
*
* Valid Range: 0-65535
*/
#define MAX_TXABSDELAY 0xFFFF
#define MIN_TXABSDELAY 0
-/* Receive Interrupt Delay in units of 1.024 microseconds
- * hardware will likely hang if you set this to anything but zero.
+/*
+ * Receive Interrupt Delay in units of 1.024 microseconds
+ * hardware will likely hang if you set this to anything but zero.
*
* Valid Range: 0-65535
*/
#define MAX_RXDELAY 0xFFFF
#define MIN_RXDELAY 0
-/* Receive Absolute Interrupt Delay in units of 1.024 microseconds
+/*
+ * Receive Absolute Interrupt Delay in units of 1.024 microseconds
*
* Valid Range: 0-65535
*/
#define MAX_RXABSDELAY 0xFFFF
#define MIN_RXABSDELAY 0
-/* Interrupt Throttle Rate (interrupts/sec)
+/*
+ * Interrupt Throttle Rate (interrupts/sec)
*
* Valid Range: 100-100000 (0=off, 1=dynamic, 3=dynamic conservative)
*/
#define MAX_ITR 100000
#define MIN_ITR 100
-/* Enable Smart Power Down of the PHY
+/*
+ * Enable Smart Power Down of the PHY
*
* Valid Range: 0, 1
*
*/
E1000_PARAM(SmartPowerDownEnable, "Enable PHY smart power down");
-/* Enable Kumeran Lock Loss workaround
+/*
+ * Enable Kumeran Lock Loss workaround
*
* Valid Range: 0, 1
*
/*******************************************************************************
Intel PRO/1000 Linux driver
- Copyright(c) 1999 - 2007 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,
return -E1000_ERR_PARAM;
}
- /* Set up Op-code, Phy Address, and register offset in the MDI
+ /*
+ * Set up Op-code, Phy Address, and register offset in the MDI
* Control register. The MAC will take care of interfacing with the
* PHY to retrieve the desired data.
*/
ew32(MDIC, mdic);
- /* Poll the ready bit to see if the MDI read completed */
+ /*
+ * Poll the ready bit to see if the MDI read completed
+ * Increasing the time out as testing showed failures with
+ * the lower time out
+ */
for (i = 0; i < 64; i++) {
udelay(50);
mdic = er32(MDIC);
return -E1000_ERR_PARAM;
}
- /* Set up Op-code, Phy Address, and register offset in the MDI
+ /*
+ * Set up Op-code, Phy Address, and register offset in the MDI
* Control register. The MAC will take care of interfacing with the
* PHY to retrieve the desired data.
*/
s32 ret_val;
u16 phy_data;
- /* Enable CRS on TX. This must be set for half-duplex operation. */
+ /* Enable CRS on Tx. This must be set for half-duplex operation. */
ret_val = e1e_rphy(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
if (ret_val)
return ret_val;
phy_data |= M88E1000_PSCR_ASSERT_CRS_ON_TX;
- /* Options:
+ /*
+ * Options:
* MDI/MDI-X = 0 (default)
* 0 - Auto for all speeds
* 1 - MDI mode
break;
}
- /* Options:
+ /*
+ * Options:
* disable_polarity_correction = 0 (default)
* Automatic Correction for Reversed Cable Polarity
* 0 - Disabled
return ret_val;
if (phy->revision < 4) {
- /* Force TX_CLK in the Extended PHY Specific Control Register
+ /*
+ * Force TX_CLK in the Extended PHY Specific Control Register
* to 25MHz clock.
*/
ret_val = e1e_rphy(hw, M88E1000_EXT_PHY_SPEC_CTRL, &phy_data);
/* set auto-master slave resolution settings */
if (hw->mac.autoneg) {
- /* when autonegotiation advertisement is only 1000Mbps then we
+ /*
+ * when autonegotiation advertisement is only 1000Mbps then we
* should disable SmartSpeed and enable Auto MasterSlave
- * resolution as hardware default. */
+ * resolution as hardware default.
+ */
if (phy->autoneg_advertised == ADVERTISE_1000_FULL) {
/* Disable SmartSpeed */
ret_val = e1e_rphy(hw, IGP01E1000_PHY_PORT_CONFIG,
- &data);
+ &data);
if (ret_val)
return ret_val;
data &= ~IGP01E1000_PSCFR_SMART_SPEED;
ret_val = e1e_wphy(hw, IGP01E1000_PHY_PORT_CONFIG,
- data);
+ data);
if (ret_val)
return ret_val;
return ret_val;
}
- /* Need to parse both autoneg_advertised and fc and set up
+ /*
+ * Need to parse both autoneg_advertised and fc and set up
* the appropriate PHY registers. First we will parse for
* autoneg_advertised software override. Since we can advertise
* a plethora of combinations, we need to check each bit
* individually.
*/
- /* First we clear all the 10/100 mb speed bits in the Auto-Neg
+ /*
+ * First we clear all the 10/100 mb speed bits in the Auto-Neg
* Advertisement Register (Address 4) and the 1000 mb speed bits in
* the 1000Base-T Control Register (Address 9).
*/
mii_1000t_ctrl_reg |= CR_1000T_FD_CAPS;
}
- /* Check for a software override of the flow control settings, and
+ /*
+ * Check for a software override of the flow control settings, and
* setup the PHY advertisement registers accordingly. If
* auto-negotiation is enabled, then software will have to set the
* "PAUSE" bits to the correct value in the Auto-Negotiation
* but not send pause frames).
* 2: Tx flow control is enabled (we can send pause frames
* but we do not support receiving pause frames).
- * 3: Both Rx and TX flow control (symmetric) are enabled.
+ * 3: Both Rx and Tx flow control (symmetric) are enabled.
* other: No software override. The flow control configuration
* in the EEPROM is used.
*/
switch (hw->mac.fc) {
case e1000_fc_none:
- /* Flow control (RX & TX) is completely disabled by a
+ /*
+ * Flow control (Rx & Tx) is completely disabled by a
* software over-ride.
*/
mii_autoneg_adv_reg &= ~(NWAY_AR_ASM_DIR | NWAY_AR_PAUSE);
break;
case e1000_fc_rx_pause:
- /* RX Flow control is enabled, and TX Flow control is
+ /*
+ * Rx Flow control is enabled, and Tx Flow control is
* disabled, by a software over-ride.
- */
- /* Since there really isn't a way to advertise that we are
- * capable of RX Pause ONLY, we will advertise that we
- * support both symmetric and asymmetric RX PAUSE. Later
+ *
+ * Since there really isn't a way to advertise that we are
+ * capable of Rx Pause ONLY, we will advertise that we
+ * support both symmetric and asymmetric Rx PAUSE. Later
* (in e1000e_config_fc_after_link_up) we will disable the
* hw's ability to send PAUSE frames.
*/
mii_autoneg_adv_reg |= (NWAY_AR_ASM_DIR | NWAY_AR_PAUSE);
break;
case e1000_fc_tx_pause:
- /* TX Flow control is enabled, and RX Flow control is
+ /*
+ * Tx Flow control is enabled, and Rx Flow control is
* disabled, by a software over-ride.
*/
mii_autoneg_adv_reg |= NWAY_AR_ASM_DIR;
mii_autoneg_adv_reg &= ~NWAY_AR_PAUSE;
break;
case e1000_fc_full:
- /* Flow control (both RX and TX) is enabled by a software
+ /*
+ * Flow control (both Rx and Tx) is enabled by a software
* over-ride.
*/
mii_autoneg_adv_reg |= (NWAY_AR_ASM_DIR | NWAY_AR_PAUSE);
* Performs initial bounds checking on autoneg advertisement parameter, then
* configure to advertise the full capability. Setup the PHY to autoneg
* and restart the negotiation process between the link partner. If
- * wait_for_link, then wait for autoneg to complete before exiting.
+ * autoneg_wait_to_complete, then wait for autoneg to complete before exiting.
**/
static s32 e1000_copper_link_autoneg(struct e1000_hw *hw)
{
s32 ret_val;
u16 phy_ctrl;
- /* Perform some bounds checking on the autoneg advertisement
+ /*
+ * Perform some bounds checking on the autoneg advertisement
* parameter.
*/
phy->autoneg_advertised &= phy->autoneg_mask;
- /* If autoneg_advertised is zero, we assume it was not defaulted
+ /*
+ * If autoneg_advertised is zero, we assume it was not defaulted
* by the calling code so we set to advertise full capability.
*/
if (phy->autoneg_advertised == 0)
}
hw_dbg(hw, "Restarting Auto-Neg\n");
- /* Restart auto-negotiation by setting the Auto Neg Enable bit and
+ /*
+ * Restart auto-negotiation by setting the Auto Neg Enable bit and
* the Auto Neg Restart bit in the PHY control register.
*/
ret_val = e1e_rphy(hw, PHY_CONTROL, &phy_ctrl);
if (ret_val)
return ret_val;
- /* Does the user want to wait for Auto-Neg to complete here, or
+ /*
+ * Does the user want to wait for Auto-Neg to complete here, or
* check at a later time (for example, callback routine).
*/
if (phy->wait_for_link) {
bool link;
if (hw->mac.autoneg) {
- /* Setup autoneg and flow control advertisement and perform
- * autonegotiation. */
+ /*
+ * Setup autoneg and flow control advertisement and perform
+ * autonegotiation.
+ */
ret_val = e1000_copper_link_autoneg(hw);
if (ret_val)
return ret_val;
} else {
- /* PHY will be set to 10H, 10F, 100H or 100F
- * depending on user settings. */
+ /*
+ * PHY will be set to 10H, 10F, 100H or 100F
+ * depending on user settings.
+ */
hw_dbg(hw, "Forcing Speed and Duplex\n");
ret_val = e1000_phy_force_speed_duplex(hw);
if (ret_val) {
}
}
- /* Check link status. Wait up to 100 microseconds for link to become
+ /*
+ * Check link status. Wait up to 100 microseconds for link to become
* valid.
*/
ret_val = e1000e_phy_has_link_generic(hw,
if (ret_val)
return ret_val;
- /* Clear Auto-Crossover to force MDI manually. IGP requires MDI
+ /*
+ * Clear Auto-Crossover to force MDI manually. IGP requires MDI
* forced whenever speed and duplex are forced.
*/
ret_val = e1e_rphy(hw, IGP01E1000_PHY_PORT_CTRL, &phy_data);
* Calls the PHY setup function to force speed and duplex. Clears the
* auto-crossover to force MDI manually. Resets the PHY to commit the
* changes. If time expires while waiting for link up, we reset the DSP.
- * After reset, TX_CLK and CRS on TX must be set. Return successful upon
+ * After reset, TX_CLK and CRS on Tx must be set. Return successful upon
* successful completion, else return corresponding error code.
**/
s32 e1000e_phy_force_speed_duplex_m88(struct e1000_hw *hw)
u16 phy_data;
bool link;
- /* Clear Auto-Crossover to force MDI manually. M88E1000 requires MDI
+ /*
+ * Clear Auto-Crossover to force MDI manually. M88E1000 requires MDI
* forced whenever speed and duplex are forced.
*/
ret_val = e1e_rphy(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
return ret_val;
if (!link) {
- /* We didn't get link.
+ /*
+ * We didn't get link.
* Reset the DSP and cross our fingers.
*/
- ret_val = e1e_wphy(hw, M88E1000_PHY_PAGE_SELECT, 0x001d);
+ ret_val = e1e_wphy(hw, M88E1000_PHY_PAGE_SELECT,
+ 0x001d);
if (ret_val)
return ret_val;
ret_val = e1000e_phy_reset_dsp(hw);
if (ret_val)
return ret_val;
- /* Resetting the phy means we need to re-force TX_CLK in the
+ /*
+ * Resetting the phy means we need to re-force TX_CLK in the
* Extended PHY Specific Control Register to 25MHz clock from
* the reset value of 2.5MHz.
*/
if (ret_val)
return ret_val;
- /* In addition, we must re-enable CRS on Tx for both half and full
+ /*
+ * In addition, we must re-enable CRS on Tx for both half and full
* duplex.
*/
ret_val = e1e_rphy(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
data);
if (ret_val)
return ret_val;
- /* LPLU and SmartSpeed are mutually exclusive. LPLU is used
+ /*
+ * LPLU and SmartSpeed are mutually exclusive. LPLU is used
* during Dx states where the power conservation is most
* important. During driver activity we should enable
- * SmartSpeed, so performance is maintained. */
+ * SmartSpeed, so performance is maintained.
+ */
if (phy->smart_speed == e1000_smart_speed_on) {
ret_val = e1e_rphy(hw, IGP01E1000_PHY_PORT_CONFIG,
- &data);
+ &data);
if (ret_val)
return ret_val;
data |= IGP01E1000_PSCFR_SMART_SPEED;
ret_val = e1e_wphy(hw, IGP01E1000_PHY_PORT_CONFIG,
- data);
+ data);
if (ret_val)
return ret_val;
} else if (phy->smart_speed == e1000_smart_speed_off) {
ret_val = e1e_rphy(hw, IGP01E1000_PHY_PORT_CONFIG,
- &data);
+ &data);
if (ret_val)
return ret_val;
data &= ~IGP01E1000_PSCFR_SMART_SPEED;
ret_val = e1e_wphy(hw, IGP01E1000_PHY_PORT_CONFIG,
- data);
+ data);
if (ret_val)
return ret_val;
}
s32 ret_val;
u16 data, offset, mask;
- /* Polarity is determined based on the speed of
- * our connection. */
+ /*
+ * Polarity is determined based on the speed of
+ * our connection.
+ */
ret_val = e1e_rphy(hw, IGP01E1000_PHY_PORT_STATUS, &data);
if (ret_val)
return ret_val;
offset = IGP01E1000_PHY_PCS_INIT_REG;
mask = IGP01E1000_PHY_POLARITY_MASK;
} else {
- /* This really only applies to 10Mbps since
+ /*
+ * This really only applies to 10Mbps since
* there is no polarity for 100Mbps (always 0).
*/
offset = IGP01E1000_PHY_PORT_STATUS;
}
/**
- * e1000_wait_autoneg - Wait for auto-neg compeletion
+ * e1000_wait_autoneg - Wait for auto-neg completion
* @hw: pointer to the HW structure
*
* Waits for auto-negotiation to complete or for the auto-negotiation time
msleep(100);
}
- /* PHY_AUTO_NEG_TIME expiration doesn't guarantee auto-negotiation
+ /*
+ * PHY_AUTO_NEG_TIME expiration doesn't guarantee auto-negotiation
* has completed.
*/
return ret_val;
u16 i, phy_status;
for (i = 0; i < iterations; i++) {
- /* Some PHYs require the PHY_STATUS register to be read
+ /*
+ * Some PHYs require the PHY_STATUS register to be read
* twice due to the link bit being sticky. No harm doing
* it across the board.
*/
if (ret_val)
return ret_val;
- /* Getting bits 15:9, which represent the combination of
+ /*
+ * Getting bits 15:9, which represent the combination of
* course and fine gain values. The result is a number
* that can be put into the lookup table to obtain the
- * approximate cable length. */
+ * approximate cable length.
+ */
cur_agc_index = (phy_data >> IGP02E1000_AGC_LENGTH_SHIFT) &
IGP02E1000_AGC_LENGTH_MASK;
projects / linux-2.6 / commitdiff