[NET-NEXT PATCH 13/18] igb: add 82576 MAC support

Jeff Kirsher
2008-06-27T18:06:07Z

From: Alexander Duyck <alexander.h.duyck@intel.com>

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
---

drivers/net/igb/e1000_82575.c | 208 +++++++++++++++++++++++++++++++++++++--
drivers/net/igb/e1000_82575.h | 9 ++
drivers/net/igb/e1000_defines.h | 10 ++
drivers/net/igb/e1000_hw.h | 8 ++
drivers/net/igb/e1000_mac.c | 3 -
drivers/net/igb/e1000_mac.h | 1
drivers/net/igb/e1000_regs.h | 7 +
drivers/net/igb/igb_ethtool.c | 146 +++++++++++++++++++++------
drivers/net/igb/igb_main.c | 170 +++++++++++++++++++++++++-------
9 files changed, 476 insertions(+), 86 deletions(-)

diff --git a/drivers/net/igb/e1000_82575.c b/drivers/net/igb/e1000_82575.c
index 2c8b910..e098f23 100644
--- a/drivers/net/igb/e1000_82575.c
+++ b/drivers/net/igb/e1000_82575.c
@@ -31,6 +31,7 @@

#include <linux/types.h>
#include <linux/slab.h>
+#include <linux/if_ether.h>

#include "e1000_mac.h"
#include "e1000_82575.h"
@@ -45,7 +46,6 @@ static s32 igb_get_cfg_done_82575(struct e1000_hw *);
static s32 igb_init_hw_82575(struct e1000_hw *);
static s32 igb_phy_hw_reset_sgmii_82575(struct e1000_hw *);
static s32 igb_read_phy_reg_sgmii_82575(struct e1000_hw *, u32, u16 *);
-static void igb_rar_set_82575(struct e1000_hw *, u8 *, u32);
static s32 igb_reset_hw_82575(struct e1000_hw *);
static s32 igb_set_d0_lplu_state_82575(struct e1000_hw *, bool);
static s32 igb_setup_copper_link_82575(struct e1000_hw *);
@@ -84,6 +84,12 @@ static s32 igb_get_invariants_82575(struct e1000_hw *hw)
case E1000_DEV_ID_82575GB_QUAD_COPPER:
mac->type = e1000_82575;
break;
+ case E1000_DEV_ID_82576:
+ case E1000_DEV_ID_82576_FIBER:
+ case E1000_DEV_ID_82576_SERDES:
+ case E1000_DEV_ID_82576_QUAD_COPPER:
+ mac->type = e1000_82576;
+ break;
default:
return -E1000_ERR_MAC_INIT;
break;
@@ -128,6 +134,8 @@ static s32 igb_get_invariants_82575(struct e1000_hw *hw)
mac->mta_reg_count = 128;
/* Set rar entry count */
mac->rar_entry_count = E1000_RAR_ENTRIES_82575;
+ if (mac->type == e1000_82576)
+ mac->rar_entry_count = E1000_RAR_ENTRIES_82576;
/* Set if part includes ASF firmware */
mac->asf_firmware_present = true;
/* Set if manageability features are enabled. */
@@ -694,13 +702,12 @@ static s32 igb_check_for_link_82575(struct e1000_hw *hw)
if ((hw->phy.media_type != e1000_media_type_copper) ||
(igb_sgmii_active_82575(hw)))
ret_val = igb_get_pcs_speed_and_duplex_82575(hw, &speed,
- &duplex);
+ &duplex);
else
ret_val = igb_check_for_copper_link(hw);

return ret_val;
}
-
/**
* igb_get_pcs_speed_and_duplex_82575 - Retrieve current speed/duplex
* @hw: pointer to the HW structure
@@ -757,18 +764,129 @@ static s32 igb_get_pcs_speed_and_duplex_82575(struct e1000_hw *hw, u16 *speed,
}

/**
- * igb_rar_set_82575 - Set receive address register
+ * igb_init_rx_addrs_82575 - Initialize receive address's
+ * @hw: pointer to the HW structure
+ * @rar_count: receive address registers
+ *
+ * Setups the receive address registers by setting the base receive address
+ * register to the devices MAC address and clearing all the other receive
+ * address registers to 0.
+ **/
+static void igb_init_rx_addrs_82575(struct e1000_hw *hw, u16 rar_count)
+{
+ u32 i;
+ u8 addr[6] = {0,0,0,0,0,0};
+ /*
+ * This function is essentially the same as that of
+ * e1000_init_rx_addrs_generic. However it also takes care
+ * of the special case where the register offset of the
+ * second set of RARs begins elsewhere. This is implicitly taken care by
+ * function e1000_rar_set_generic.
+ */
+
+ hw_dbg("e1000_init_rx_addrs_82575");
+
+ /* Setup the receive address */
+ hw_dbg("Programming MAC Address into RAR[0]\n");
+ hw->mac.ops.rar_set(hw, hw->mac.addr, 0);
+
+ /* Zero out the other (rar_entry_count - 1) receive addresses */
+ hw_dbg("Clearing RAR[1-%u]\n", rar_count-1);
+ for (i = 1; i < rar_count; i++)
+ hw->mac.ops.rar_set(hw, addr, i);
+}
+
+/**
+ * igb_update_mc_addr_list_82575 - Update Multicast addresses
+ * @hw: pointer to the HW structure
+ * @mc_addr_list: array of multicast addresses to program
+ * @mc_addr_count: number of multicast addresses to program
+ * @rar_used_count: the first RAR register free to program
+ * @rar_count: total number of supported Receive Address Registers
+ *
+ * Updates the Receive Address Registers and Multicast Table Array.
+ * The caller must have a packed mc_addr_list of multicast addresses.
+ * The parameter rar_count will usually be hw->mac.rar_entry_count
+ * unless there are workarounds that change this.
+ **/
+void igb_update_mc_addr_list_82575(struct e1000_hw *hw,
+ u8 *mc_addr_list, u32 mc_addr_count,
+ u32 rar_used_count, u32 rar_count)
+{
+ u32 hash_value;
+ u32 i;
+ u8 addr[6] = {0,0,0,0,0,0};
+ /*
+ * This function is essentially the same as that of
+ * igb_update_mc_addr_list_generic. However it also takes care
+ * of the special case where the register offset of the
+ * second set of RARs begins elsewhere. This is implicitly taken care by
+ * function e1000_rar_set_generic.
+ */
+
+ /*
+ * 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.
+ */
+ for (i = rar_used_count; i < rar_count; i++) {
+ if (mc_addr_count) {
+ igb_rar_set(hw, mc_addr_list, i);
+ mc_addr_count--;
+ mc_addr_list += ETH_ALEN;
+ } else {
+ igb_rar_set(hw, addr, i);
+ }
+ }
+
+ /* Clear the old settings from the MTA */
+ hw_dbg("Clearing MTA\n");
+ for (i = 0; i < hw->mac.mta_reg_count; i++) {
+ array_wr32(E1000_MTA, i, 0);
+ wrfl();
+ }
+
+ /* Load any remaining multicast addresses into the hash table. */
+ for (; mc_addr_count > 0; mc_addr_count--) {
+ hash_value = igb_hash_mc_addr(hw, mc_addr_list);
+ hw_dbg("Hash value = 0x%03X\n", hash_value);
+ hw->mac.ops.mta_set(hw, hash_value);
+ mc_addr_list += ETH_ALEN;
+ }
+}
+
+/**
+ * igb_shutdown_fiber_serdes_link_82575 - Remove link during power down
* @hw: pointer to the HW structure
- * @addr: pointer to the receive address
- * @index: receive address array register
*
- * Sets the receive address array register at index to the address passed
- * in by addr.
+ * In the case of fiber serdes, shut down optics and PCS on driver unload
+ * when management pass thru is not enabled.
**/
-static void igb_rar_set_82575(struct e1000_hw *hw, u8 *addr, u32 index)
+void igb_shutdown_fiber_serdes_link_82575(struct e1000_hw *hw)
{
- if (index < E1000_RAR_ENTRIES_82575)
- igb_rar_set(hw, addr, index);
+ u32 reg;
+
+ if (hw->mac.type != e1000_82576 ||
+ (hw->phy.media_type != e1000_media_type_fiber &&
+ hw->phy.media_type != e1000_media_type_internal_serdes))
+ return;
+
+ /* if the management interface is not enabled, then power down */
+ if (!igb_enable_mng_pass_thru(hw)) {
+ /* Disable PCS to turn off link */
+ reg = rd32(E1000_PCS_CFG0);
+ reg &= ~E1000_PCS_CFG_PCS_EN;
+ wr32(E1000_PCS_CFG0, reg);
+
+ /* shutdown the laser */
+ reg = rd32(E1000_CTRL_EXT);
+ reg |= E1000_CTRL_EXT_SDP7_DATA;
+ wr32(E1000_CTRL_EXT, reg);
+
+ /* flush the write to verify completion */
+ wrfl();
+ msleep(1);
+ }

return;
}
@@ -854,7 +972,7 @@ static s32 igb_init_hw_82575(struct e1000_hw *hw)
igb_clear_vfta(hw);

/* Setup the receive address */
- igb_init_rx_addrs(hw, rar_count);
+ igb_init_rx_addrs_82575(hw, rar_count);
/* Zero out the Multicast HASH table */
hw_dbg("Zeroing the MTA\n");
for (i = 0; i < mac->mta_reg_count; i++)
@@ -1114,6 +1232,70 @@ out:
}

/**
+ * igb_translate_register_82576 - Translate the proper register offset
+ * @reg: e1000 register to be read
+ *
+ * Registers in 82576 are located in different offsets than other adapters
+ * even though they function in the same manner. This function takes in
+ * the name of the register to read and returns the correct offset for
+ * 82576 silicon.
+ **/
+u32 igb_translate_register_82576(u32 reg)
+{
+ /*
+ * Some of the Kawela registers are located at different
+ * offsets than they are in older adapters.
+ * Despite the difference in location, the registers
+ * function in the same manner.
+ */
+ switch (reg) {
+ case E1000_TDBAL(0):
+ reg = 0x0E000;
+ break;
+ case E1000_TDBAH(0):
+ reg = 0x0E004;
+ break;
+ case E1000_TDLEN(0):
+ reg = 0x0E008;
+ break;
+ case E1000_TDH(0):
+ reg = 0x0E010;
+ break;
+ case E1000_TDT(0):
+ reg = 0x0E018;
+ break;
+ case E1000_TXDCTL(0):
+ reg = 0x0E028;
+ break;
+ case E1000_RDBAL(0):
+ reg = 0x0C000;
+ break;
+ case E1000_RDBAH(0):
+ reg = 0x0C004;
+ break;
+ case E1000_RDLEN(0):
+ reg = 0x0C008;
+ break;
+ case E1000_RDH(0):
+ reg = 0x0C010;
+ break;
+ case E1000_RDT(0):
+ reg = 0x0C018;
+ break;
+ case E1000_RXDCTL(0):
+ reg = 0x0C028;
+ break;
+ case E1000_SRRCTL(0):
+ reg = 0x0C00C;
+ break;
+ default:
+ break;
+ }
+
+ return reg;
+}
+
+/**
* igb_reset_init_script_82575 - Inits HW defaults after reset
* @hw: pointer to the HW structure
*
@@ -1304,7 +1486,7 @@ static struct e1000_mac_operations e1000_mac_ops_82575 = {
.reset_hw = igb_reset_hw_82575,
.init_hw = igb_init_hw_82575,
.check_for_link = igb_check_for_link_82575,
- .rar_set = igb_rar_set_82575,
+ .rar_set = igb_rar_set,
.read_mac_addr = igb_read_mac_addr_82575,
.get_speed_and_duplex = igb_get_speed_and_duplex_copper,
};
diff --git a/drivers/net/igb/e1000_82575.h b/drivers/net/igb/e1000_82575.h
index 02e57a8..d273236 100644
--- a/drivers/net/igb/e1000_82575.h
+++ b/drivers/net/igb/e1000_82575.h
@@ -28,9 +28,13 @@
#ifndef _E1000_82575_H_
#define _E1000_82575_H_

+u32 igb_translate_register_82576(u32 reg);
+void igb_update_mc_addr_list_82575(struct e1000_hw*, u8*, u32, u32, u32);
+extern void igb_shutdown_fiber_serdes_link_82575(struct e1000_hw *hw);
extern void igb_rx_fifo_flush_82575(struct e1000_hw *hw);

#define E1000_RAR_ENTRIES_82575 16
+#define E1000_RAR_ENTRIES_82576 24

/* SRRCTL bit definitions */
#define E1000_SRRCTL_BSIZEPKT_SHIFT 10 /* Shift _right_ */
@@ -159,5 +163,10 @@ struct e1000_adv_tx_context_desc {
#define E1000_DCA_TXCTRL_DESC_DCA_EN (1 << 5) /* DCA Tx Desc enable */
#define E1000_DCA_TXCTRL_TX_WB_RO_EN (1 << 11) /* Tx Desc writeback RO bit */

+/* Additional DCA related definitions, note change in position of CPUID */
+#define E1000_DCA_TXCTRL_CPUID_MASK_82576 0xFF000000 /* Tx CPUID Mask */
+#define E1000_DCA_RXCTRL_CPUID_MASK_82576 0xFF000000 /* Rx CPUID Mask */
+#define E1000_DCA_TXCTRL_CPUID_SHIFT 24 /* Tx CPUID now in the last byte */
+#define E1000_DCA_RXCTRL_CPUID_SHIFT 24 /* Rx CPUID now in the last byte */

#endif
diff --git a/drivers/net/igb/e1000_defines.h b/drivers/net/igb/e1000_defines.h
index ed748dc..afdba3c 100644
--- a/drivers/net/igb/e1000_defines.h
+++ b/drivers/net/igb/e1000_defines.h
@@ -90,6 +90,11 @@
#define E1000_I2CCMD_ERROR 0x80000000
#define E1000_MAX_SGMII_PHY_REG_ADDR 255
#define E1000_I2CCMD_PHY_TIMEOUT 200
+#define E1000_IVAR_VALID 0x80
+#define E1000_GPIE_NSICR 0x00000001
+#define E1000_GPIE_MSIX_MODE 0x00000010
+#define E1000_GPIE_EIAME 0x40000000
+#define E1000_GPIE_PBA 0x80000000

/* Receive Descriptor bit definitions */
#define E1000_RXD_STAT_DD 0x01 /* Descriptor Done */
@@ -213,6 +218,7 @@
/* Device Control */
#define E1000_CTRL_FD 0x00000001 /* Full duplex.0=half; 1=full */
#define E1000_CTRL_GIO_MASTER_DISABLE 0x00000004 /*Blocks new Master requests */
+#define E1000_CTRL_LRST 0x00000008 /* Link reset. 0=normal,1=reset */
#define E1000_CTRL_ASDE 0x00000020 /* Auto-speed detect enable */
#define E1000_CTRL_SLU 0x00000040 /* Set link up (Force Link) */
#define E1000_CTRL_ILOS 0x00000080 /* Invert Loss-Of Signal */
@@ -244,6 +250,7 @@
*/

#define E1000_CONNSW_ENRGSRC 0x4
+#define E1000_PCS_CFG_PCS_EN 8
#define E1000_PCS_LCTL_FLV_LINK_UP 1
#define E1000_PCS_LCTL_FSV_100 2
#define E1000_PCS_LCTL_FSV_1000 4
@@ -253,6 +260,7 @@
#define E1000_PCS_LCTL_AN_ENABLE 0x10000
#define E1000_PCS_LCTL_AN_RESTART 0x20000
#define E1000_PCS_LCTL_AN_TIMEOUT 0x40000
+#define E1000_ENABLE_SERDES_LOOPBACK 0x0410

#define E1000_PCS_LSTS_LINK_OK 1
#define E1000_PCS_LSTS_SPEED_100 2
@@ -360,6 +368,7 @@
#define E1000_PBA_16K 0x0010 /* 16KB, default TX allocation */
#define E1000_PBA_24K 0x0018
#define E1000_PBA_34K 0x0022
+#define E1000_PBA_64K 0x0040 /* 64KB */

#define IFS_MAX 80
#define IFS_MIN 40
@@ -528,6 +537,7 @@
/* PHY Control Register */
#define MII_CR_FULL_DUPLEX 0x0100 /* FDX =1, half duplex =0 */
#define MII_CR_RESTART_AUTO_NEG 0x0200 /* Restart auto negotiation */
+#define MII_CR_POWER_DOWN 0x0800 /* Power down */
#define MII_CR_AUTO_NEG_EN 0x1000 /* Auto Neg Enable */
#define MII_CR_LOOPBACK 0x4000 /* 0 = normal, 1 = loopback */
#define MII_CR_RESET 0x8000 /* 0 = normal, 1 = PHY reset */
diff --git a/drivers/net/igb/e1000_hw.h b/drivers/net/igb/e1000_hw.h
index 746c3ea..19fa4ee 100644
--- a/drivers/net/igb/e1000_hw.h
+++ b/drivers/net/igb/e1000_hw.h
@@ -38,6 +38,10 @@

struct e1000_hw;

+#define E1000_DEV_ID_82576 0x10C9
+#define E1000_DEV_ID_82576_FIBER 0x10E6
+#define E1000_DEV_ID_82576_SERDES 0x10E7
+#define E1000_DEV_ID_82576_QUAD_COPPER 0x10E8
#define E1000_DEV_ID_82575EB_COPPER 0x10A7
#define E1000_DEV_ID_82575EB_FIBER_SERDES 0x10A9
#define E1000_DEV_ID_82575GB_QUAD_COPPER 0x10D6
@@ -50,6 +54,7 @@ struct e1000_hw;
enum e1000_mac_type {
e1000_undefined = 0,
e1000_82575,
+ e1000_82576,
e1000_num_macs /* List is 1-based, so subtract 1 for true count. */
};

@@ -410,14 +415,17 @@ struct e1000_mac_operations {
s32 (*check_for_link)(struct e1000_hw *);
s32 (*reset_hw)(struct e1000_hw *);
s32 (*init_hw)(struct e1000_hw *);
+ bool (*check_mng_mode)(struct e1000_hw *);
s32 (*setup_physical_interface)(struct e1000_hw *);
void (*rar_set)(struct e1000_hw *, u8 *, u32);
s32 (*read_mac_addr)(struct e1000_hw *);
s32 (*get_speed_and_duplex)(struct e1000_hw *, u16 *, u16 *);
+ void (*mta_set)(struct e1000_hw *, u32);
};

struct e1000_phy_operations {
s32 (*acquire_phy)(struct e1000_hw *);
+ s32 (*check_reset_block)(struct e1000_hw *);
s32 (*force_speed_duplex)(struct e1000_hw *);
s32 (*get_cfg_done)(struct e1000_hw *hw);
s32 (*get_cable_length)(struct e1000_hw *);
diff --git a/drivers/net/igb/e1000_mac.c b/drivers/net/igb/e1000_mac.c
index 47ad2c4..20408aa 100644
--- a/drivers/net/igb/e1000_mac.c
+++ b/drivers/net/igb/e1000_mac.c
@@ -36,7 +36,6 @@

static s32 igb_set_default_fc(struct e1000_hw *hw);
static s32 igb_set_fc_watermarks(struct e1000_hw *hw);
-static u32 igb_hash_mc_addr(struct e1000_hw *hw, u8 *mc_addr);

/**
* igb_remove_device - Free device specific structure
@@ -360,7 +359,7 @@ void igb_update_mc_addr_list(struct e1000_hw *hw,
* the multicast filter table array address and new table value. See
* igb_mta_set()
**/
-static u32 igb_hash_mc_addr(struct e1000_hw *hw, u8 *mc_addr)
+u32 igb_hash_mc_addr(struct e1000_hw *hw, u8 *mc_addr)
{
u32 hash_value, hash_mask;
u8 bit_shift = 0;
diff --git a/drivers/net/igb/e1000_mac.h b/drivers/net/igb/e1000_mac.h
index 326b659..dc2f8cc 100644
--- a/drivers/net/igb/e1000_mac.h
+++ b/drivers/net/igb/e1000_mac.h
@@ -94,5 +94,6 @@ enum e1000_mng_mode {
#define E1000_HICR_C 0x02

extern void e1000_init_function_pointers_82575(struct e1000_hw *hw);
+extern u32 igb_hash_mc_addr(struct e1000_hw *hw, u8 *mc_addr);

#endif
diff --git a/drivers/net/igb/e1000_regs.h b/drivers/net/igb/e1000_regs.h
index d25e914..b95093d 100644
--- a/drivers/net/igb/e1000_regs.h
+++ b/drivers/net/igb/e1000_regs.h
@@ -56,6 +56,9 @@
#define E1000_EIMC 0x01528 /* Ext. Interrupt Mask Clear - WO */
#define E1000_EIAC 0x0152C /* Ext. Interrupt Auto Clear - RW */
#define E1000_EIAM 0x01530 /* Ext. Interrupt Ack Auto Clear Mask - RW */
+#define E1000_GPIE 0x01514 /* General Purpose Interrupt Enable - RW */
+#define E1000_IVAR0 0x01700 /* Interrupt Vector Allocation (array) - RW */
+#define E1000_IVAR_MISC 0x01740 /* IVAR for "other" causes - RW */
#define E1000_TCTL 0x00400 /* TX Control - RW */
#define E1000_TCTL_EXT 0x00404 /* Extended TX Control - RW */
#define E1000_TIPG 0x00410 /* TX Inter-packet gap -RW */
@@ -217,6 +220,7 @@
#define E1000_RFCTL 0x05008 /* Receive Filter Control*/
#define E1000_MTA 0x05200 /* Multicast Table Array - RW Array */
#define E1000_RA 0x05400 /* Receive Address - RW Array */
+#define E1000_RA2 0x054E0 /* 2nd half of receive address array - RW Array */
#define E1000_VFTA 0x05600 /* VLAN Filter Table Array - RW Array */
#define E1000_VMD_CTL 0x0581C /* VMDq Control - RW */
#define E1000_WUC 0x05800 /* Wakeup Control - RW */
@@ -258,7 +262,8 @@
#define E1000_RETA(_i) (0x05C00 + ((_i) * 4))
#define E1000_RSSRK(_i) (0x05C80 + ((_i) * 4)) /* RSS Random Key - RW Array */

-#define E1000_REGISTER(a, reg) reg
+#define E1000_REGISTER(a, reg) (((a)->mac.type < e1000_82576) \
+ ? reg : e1000_translate_register_82576(reg))

#define wr32(reg, value) (writel(value, hw->hw_addr + reg))
#define rd32(reg) (readl(hw->hw_addr + reg))
diff --git a/drivers/net/igb/igb_ethtool.c b/drivers/net/igb/igb_ethtool.c
index ed756c1..e27d5a5 100644
--- a/drivers/net/igb/igb_ethtool.c
+++ b/drivers/net/igb/igb_ethtool.c
@@ -827,8 +827,9 @@ err_setup:
/* ethtool register test data */
struct igb_reg_test {
u16 reg;
- u8 array_len;
- u8 test_type;
+ u16 reg_offset;
+ u16 array_len;
+ u16 test_type;
u32 mask;
u32 write;
};
@@ -850,34 +851,72 @@ struct igb_reg_test {
#define TABLE64_TEST_LO 5
#define TABLE64_TEST_HI 6

-/* default register test */
+/* 82576 reg test */
+static struct igb_reg_test reg_test_82576[] = {
+ { E1000_FCAL, 0x100, 1, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
+ { E1000_FCAH, 0x100, 1, PATTERN_TEST, 0x0000FFFF, 0xFFFFFFFF },
+ { E1000_FCT, 0x100, 1, PATTERN_TEST, 0x0000FFFF, 0xFFFFFFFF },
+ { E1000_VET, 0x100, 1, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
+ { E1000_RDBAL(0), 0x100, 4, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
+ { E1000_RDBAH(0), 0x100, 4, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
+ { E1000_RDLEN(0), 0x100, 4, PATTERN_TEST, 0x000FFFF0, 0x000FFFFF },
+ { E1000_RDBAL(4), 0x40, 8, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
+ { E1000_RDBAH(4), 0x40, 8, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
+ { E1000_RDLEN(4), 0x40, 8, PATTERN_TEST, 0x000FFFF0, 0x000FFFFF },
+ /* Enable all four RX queues before testing. */
+ { E1000_RXDCTL(0), 0x100, 1, WRITE_NO_TEST, 0, E1000_RXDCTL_QUEUE_ENABLE },
+ /* RDH is read-only for 82576, only test RDT. */
+ { E1000_RDT(0), 0x100, 4, PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
+ { E1000_RXDCTL(0), 0x100, 4, WRITE_NO_TEST, 0, 0 },
+ { E1000_FCRTH, 0x100, 1, PATTERN_TEST, 0x0000FFF0, 0x0000FFF0 },
+ { E1000_FCTTV, 0x100, 1, PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
+ { E1000_TIPG, 0x100, 1, PATTERN_TEST, 0x3FFFFFFF, 0x3FFFFFFF },
+ { E1000_TDBAL(0), 0x100, 4, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
+ { E1000_TDBAH(0), 0x100, 4, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
+ { E1000_TDLEN(0), 0x100, 4, PATTERN_TEST, 0x000FFFF0, 0x000FFFFF },
+ { E1000_TDBAL(4), 0x40, 8, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
+ { E1000_TDBAH(4), 0x40, 8, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
+ { E1000_TDLEN(4), 0x40, 8, PATTERN_TEST, 0x000FFFF0, 0x000FFFFF },
+ { E1000_RCTL, 0x100, 1, SET_READ_TEST, 0xFFFFFFFF, 0x00000000 },
+ { E1000_RCTL, 0x100, 1, SET_READ_TEST, 0x04CFB0FE, 0x003FFFFB },
+ { E1000_RCTL, 0x100, 1, SET_READ_TEST, 0x04CFB0FE, 0xFFFFFFFF },
+ { E1000_TCTL, 0x100, 1, SET_READ_TEST, 0xFFFFFFFF, 0x00000000 },
+ { E1000_RA, 0, 16, TABLE64_TEST_LO, 0xFFFFFFFF, 0xFFFFFFFF },
+ { E1000_RA, 0, 16, TABLE64_TEST_HI, 0x83FFFFFF, 0xFFFFFFFF },
+ { E1000_RA2, 0, 8, TABLE64_TEST_LO, 0xFFFFFFFF, 0xFFFFFFFF },
+ { E1000_RA2, 0, 8, TABLE64_TEST_HI, 0x83FFFFFF, 0xFFFFFFFF },
+ { E1000_MTA, 0, 128,TABLE32_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
+ { 0, 0, 0, 0 }
+};
+
+/* 82575 register test */
static struct igb_reg_test reg_test_82575[] = {
- { E1000_FCAL, 1, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
- { E1000_FCAH, 1, PATTERN_TEST, 0x0000FFFF, 0xFFFFFFFF },
- { E1000_FCT, 1, PATTERN_TEST, 0x0000FFFF, 0xFFFFFFFF },
- { E1000_VET, 1, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
- { E1000_RDBAL(0), 4, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
- { E1000_RDBAH(0), 4, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
- { E1000_RDLEN(0), 4, PATTERN_TEST, 0x000FFF80, 0x000FFFFF },
+ { E1000_FCAL, 0x100, 1, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
+ { E1000_FCAH, 0x100, 1, PATTERN_TEST, 0x0000FFFF, 0xFFFFFFFF },
+ { E1000_FCT, 0x100, 1, PATTERN_TEST, 0x0000FFFF, 0xFFFFFFFF },
+ { E1000_VET, 0x100, 1, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
+ { E1000_RDBAL(0), 0x100, 4, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
+ { E1000_RDBAH(0), 0x100, 4, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
+ { E1000_RDLEN(0), 0x100, 4, PATTERN_TEST, 0x000FFF80, 0x000FFFFF },
/* Enable all four RX queues before testing. */
- { E1000_RXDCTL(0), 4, WRITE_NO_TEST, 0, E1000_RXDCTL_QUEUE_ENABLE },
+ { E1000_RXDCTL(0), 0x100, 4, WRITE_NO_TEST, 0, E1000_RXDCTL_QUEUE_ENABLE },
/* RDH is read-only for 82575, only test RDT. */
- { E1000_RDT(0), 4, PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
- { E1000_RXDCTL(0), 4, WRITE_NO_TEST, 0, 0 },
- { E1000_FCRTH, 1, PATTERN_TEST, 0x0000FFF0, 0x0000FFF0 },
- { E1000_FCTTV, 1, PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
- { E1000_TIPG, 1, PATTERN_TEST, 0x3FFFFFFF, 0x3FFFFFFF },
- { E1000_TDBAL(0), 4, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
- { E1000_TDBAH(0), 4, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
- { E1000_TDLEN(0), 4, PATTERN_TEST, 0x000FFF80, 0x000FFFFF },
- { E1000_RCTL, 1, SET_READ_TEST, 0xFFFFFFFF, 0x00000000 },
- { E1000_RCTL, 1, SET_READ_TEST, 0x04CFB3FE, 0x003FFFFB },
- { E1000_RCTL, 1, SET_READ_TEST, 0x04CFB3FE, 0xFFFFFFFF },
- { E1000_TCTL, 1, SET_READ_TEST, 0xFFFFFFFF, 0x00000000 },
- { E1000_TXCW, 1, PATTERN_TEST, 0xC000FFFF, 0x0000FFFF },
- { E1000_RA, 16, TABLE64_TEST_LO, 0xFFFFFFFF, 0xFFFFFFFF },
- { E1000_RA, 16, TABLE64_TEST_HI, 0x800FFFFF, 0xFFFFFFFF },
- { E1000_MTA, 128, TABLE32_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
+ { E1000_RDT(0), 0x100, 4, PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
+ { E1000_RXDCTL(0), 0x100, 4, WRITE_NO_TEST, 0, 0 },
+ { E1000_FCRTH, 0x100, 1, PATTERN_TEST, 0x0000FFF0, 0x0000FFF0 },
+ { E1000_FCTTV, 0x100, 1, PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
+ { E1000_TIPG, 0x100, 1, PATTERN_TEST, 0x3FFFFFFF, 0x3FFFFFFF },
+ { E1000_TDBAL(0), 0x100, 4, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
+ { E1000_TDBAH(0), 0x100, 4, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
+ { E1000_TDLEN(0), 0x100, 4, PATTERN_TEST, 0x000FFF80, 0x000FFFFF },
+ { E1000_RCTL, 0x100, 1, SET_READ_TEST, 0xFFFFFFFF, 0x00000000 },
+ { E1000_RCTL, 0x100, 1, SET_READ_TEST, 0x04CFB3FE, 0x003FFFFB },
+ { E1000_RCTL, 0x100, 1, SET_READ_TEST, 0x04CFB3FE, 0xFFFFFFFF },
+ { E1000_TCTL, 0x100, 1, SET_READ_TEST, 0xFFFFFFFF, 0x00000000 },
+ { E1000_TXCW, 0x100, 1, PATTERN_TEST, 0xC000FFFF, 0x0000FFFF },
+ { E1000_RA, 0, 16, TABLE64_TEST_LO, 0xFFFFFFFF, 0xFFFFFFFF },
+ { E1000_RA, 0, 16, TABLE64_TEST_HI, 0x800FFFFF, 0xFFFFFFFF },
+ { E1000_MTA, 0, 128, TABLE32_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
{ 0, 0, 0, 0 }
};

@@ -937,7 +976,15 @@ static int igb_reg_test(struct igb_adapter *adapter, u64 *data)
u32 i, toggle;

toggle = 0x7FFFF3FF;
- test = reg_test_82575;
+
+ switch (adapter->hw.mac.type) {
+ case e1000_82576:
+ test = reg_test_82576;
+ break;
+ default:
+ test = reg_test_82575;
+ break;
+ }

/* Because the status register is such a special case,
* we handle it separately from the rest of the register
@@ -964,19 +1011,19 @@ static int igb_reg_test(struct igb_adapter *adapter, u64 *data)
for (i = 0; i < test->array_len; i++) {
switch (test->test_type) {
case PATTERN_TEST:
- REG_PATTERN_TEST(test->reg + (i * 0x100),
+ REG_PATTERN_TEST(test->reg + (i * test->reg_offset),
test->mask,
test->write);
break;
case SET_READ_TEST:
- REG_SET_AND_CHECK(test->reg + (i * 0x100),
+ REG_SET_AND_CHECK(test->reg + (i * test->reg_offset),
test->mask,
test->write);
break;
case WRITE_NO_TEST:
writel(test->write,
(adapter->hw.hw_addr + test->reg)
- + (i * 0x100));
+ + (i * test->reg_offset));
break;
case TABLE32_TEST:
REG_PATTERN_TEST(test->reg + (i * 4),
@@ -1392,13 +1439,39 @@ static int igb_set_phy_loopback(struct igb_adapter *adapter)
static int igb_setup_loopback_test(struct igb_adapter *adapter)
{
struct e1000_hw *hw = &adapter->hw;
- u32 rctl;
+ u32 reg;

if (hw->phy.media_type == e1000_media_type_fiber ||
hw->phy.media_type == e1000_media_type_internal_serdes) {
- rctl = rd32(E1000_RCTL);
- rctl |= E1000_RCTL_LBM_TCVR;
- wr32(E1000_RCTL, rctl);
+ reg = rd32(E1000_RCTL);
+ reg |= E1000_RCTL_LBM_TCVR;
+ wr32(E1000_RCTL, reg);
+
+ wr32(E1000_SCTL, E1000_ENABLE_SERDES_LOOPBACK);
+
+ reg = rd32(E1000_CTRL);
+ reg &= ~(E1000_CTRL_RFCE |
+ E1000_CTRL_TFCE |
+ E1000_CTRL_LRST);
+ reg |= E1000_CTRL_SLU |
+ E1000_CTRL_FD;
+ wr32(E1000_CTRL, reg);
+
+ /* Unset switch control to serdes energy detect */
+ reg = rd32(E1000_CONNSW);
+ reg &= ~E1000_CONNSW_ENRGSRC;
+ wr32(E1000_CONNSW, reg);
+
+ /* Set PCS register for forced speed */
+ reg = rd32(E1000_PCS_LCTL);
+ reg &= ~E1000_PCS_LCTL_AN_ENABLE; /* Disable Autoneg*/
+ reg |= E1000_PCS_LCTL_FLV_LINK_UP | /* Force link up */
+ E1000_PCS_LCTL_FSV_1000 | /* Force 1000 */
+ E1000_PCS_LCTL_FDV_FULL | /* SerDes Full duplex */
+ E1000_PCS_LCTL_FSD | /* Force Speed */
+ E1000_PCS_LCTL_FORCE_LINK; /* Force Link */
+ wr32(E1000_PCS_LCTL, reg);
+
return 0;
} else if (hw->phy.media_type == e1000_media_type_copper) {
return igb_set_phy_loopback(adapter);
@@ -1654,10 +1727,13 @@ static int igb_wol_exclusion(struct igb_adapter *adapter,

switch (hw->device_id) {
case E1000_DEV_ID_82575GB_QUAD_COPPER:
+ case E1000_DEV_ID_82576_QUAD_COPPER:
/* WoL not supported */
wol->supported = 0;
break;
case E1000_DEV_ID_82575EB_FIBER_SERDES:
+ case E1000_DEV_ID_82576_FIBER:
+ case E1000_DEV_ID_82576_SERDES:
/* Wake events not supported on port B */
if (rd32(E1000_STATUS) & E1000_STATUS_FUNC_1) {
wol->supported = 0;
diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c
index b6d7aa9..f4b1e3a 100644
--- a/drivers/net/igb/igb_main.c
+++ b/drivers/net/igb/igb_main.c
@@ -51,7 +51,7 @@ char igb_driver_name[] = "igb";
char igb_driver_version[] = DRV_VERSION;
static const char igb_driver_string[] =
"Intel(R) Gigabit Ethernet Network Driver";
-static const char igb_copyright[] = "Copyright (c) 2007 Intel Corporation.";
+static const char igb_copyright[] = "Copyright (c) 2008 Intel Corporation.";

static const struct e1000_info *igb_info_tbl[] = {
@@ -59,6 +59,10 @@ static const struct e1000_info *igb_info_tbl[] = {
};

static struct pci_device_id igb_pci_tbl[] = {
+ { PCI_VDEVICE(INTEL, E1000_DEV_ID_82576), board_82575 },
+ { PCI_VDEVICE(INTEL, E1000_DEV_ID_82576_FIBER), board_82575 },
+ { PCI_VDEVICE(INTEL, E1000_DEV_ID_82576_SERDES), board_82575 },
+ { PCI_VDEVICE(INTEL, E1000_DEV_ID_82576_QUAD_COPPER), board_82575 },
{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82575EB_COPPER), board_82575 },
{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82575EB_FIBER_SERDES), board_82575 },
{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82575GB_QUAD_COPPER), board_82575 },
@@ -268,6 +272,10 @@ static void igb_assign_vector(struct igb_adapter *adapter, int rx_queue,
{
u32 msixbm = 0;
struct e1000_hw *hw = &adapter->hw;
+ u32 ivar, index;
+
+ switch (hw->mac.type) {
+ case e1000_82575:
/* The 82575 assigns vectors using a bitmask, which matches the
bitmask for the EICR/EIMS/EIMC registers. To assign one
or more queues to a vector, we write the appropriate bits
@@ -282,6 +290,47 @@ static void igb_assign_vector(struct igb_adapter *adapter, int rx_queue,
E1000_EICR_TX_QUEUE0 << tx_queue;
}
array_wr32(E1000_MSIXBM(0), msix_vector, msixbm);
+ break;
+ case e1000_82576:
+ /* Kawela uses a table-based method for assigning vectors.
+ Each queue has a single entry in the table to which we write
+ a vector number along with a "valid" bit. Sadly, the layout
+ of the table is somewhat counterintuitive. */
+ if (rx_queue > IGB_N0_QUEUE) {
+ index = (rx_queue & 0x7);
+ ivar = array_rd32(E1000_IVAR0, index);
+ if (rx_queue < 8) {
+ /* vector goes into low byte of register */
+ ivar = ivar & 0xFFFFFF00;
+ ivar |= msix_vector | E1000_IVAR_VALID;
+ } else {
+ /* vector goes into third byte of register */
+ ivar = ivar & 0xFF00FFFF;
+ ivar |= (msix_vector | E1000_IVAR_VALID) << 16;
+ }
+ adapter->rx_ring[rx_queue].eims_value= 1 << msix_vector;
+ array_wr32(E1000_IVAR0, index, ivar);
+ }
+ if (tx_queue > IGB_N0_QUEUE) {
+ index = (tx_queue & 0x7);
+ ivar = array_rd32(E1000_IVAR0, index);
+ if (tx_queue < 8) {
+ /* vector goes into second byte of register */
+ ivar = ivar & 0xFFFF00FF;
+ ivar |= (msix_vector | E1000_IVAR_VALID) << 8;
+ } else {
+ /* vector goes into high byte of register */
+ ivar = ivar & 0x00FFFFFF;
+ ivar |= (msix_vector | E1000_IVAR_VALID) << 24;
+ }
+ adapter->tx_ring[tx_queue].eims_value= 1 << msix_vector;
+ array_wr32(E1000_IVAR0, index, ivar);
+ }
+ break;
+ default:
+ BUG();
+ break;
+ }
}

/**
@@ -297,6 +346,12 @@ static void igb_configure_msix(struct igb_adapter *adapter)
struct e1000_hw *hw = &adapter->hw;

adapter->eims_enable_mask = 0;
+ if (hw->mac.type == e1000_82576)
+ /* Turn on MSI-X capability first, or our settings
+ * won't stick. And it will take days to debug. */
+ wr32(E1000_GPIE, E1000_GPIE_MSIX_MODE |
+ E1000_GPIE_PBA | E1000_GPIE_EIAME |
+ E1000_GPIE_NSICR);

for (i = 0; i < adapter->num_tx_queues; i++) {
struct igb_ring *tx_ring = &adapter->tx_ring[i];
@@ -322,6 +377,8 @@ static void igb_configure_msix(struct igb_adapter *adapter)

/* set vector for other causes, i.e. link changes */
+ switch (hw->mac.type) {
+ case e1000_82575:
array_wr32(E1000_MSIXBM(0), vector++,
E1000_EIMS_OTHER);

@@ -337,6 +394,19 @@ static void igb_configure_msix(struct igb_adapter *adapter)
adapter->eims_enable_mask |= E1000_EIMS_OTHER;
adapter->eims_other = E1000_EIMS_OTHER;

+ break;
+
+ case e1000_82576:
+ tmp = (vector++ | E1000_IVAR_VALID) << 8;
+ wr32(E1000_IVAR_MISC, tmp);
+
+ adapter->eims_enable_mask = (1 << (vector)) - 1;
+ adapter->eims_other = 1 << (vector - 1);
+ break;
+ default:
+ /* do nothing, since nothing else supports MSI-X */
+ break;
+ } /* switch (hw->mac.type) */
wrfl();
}

@@ -474,8 +544,17 @@ static int igb_request_irq(struct igb_adapter *adapter)
adapter->num_rx_queues = 1;
igb_alloc_queues(adapter);
} else {
- wr32(E1000_MSIXBM(0), (E1000_EICR_RX_QUEUE0 |
- E1000_EIMS_OTHER));
+ switch (hw->mac.type) {
+ case e1000_82575:
+ wr32(E1000_MSIXBM(0),
+ (E1000_EICR_RX_QUEUE0 | E1000_EIMS_OTHER));
+ break;
+ case e1000_82576:
+ wr32(E1000_IVAR0, E1000_IVAR_VALID);
+ break;
+ default:
+ break;
+ }
}

if (adapter->msi_enabled) {
@@ -769,16 +848,23 @@ void igb_reinit_locked(struct igb_adapter *adapter)
void igb_reset(struct igb_adapter *adapter)
{
struct e1000_hw *hw = &adapter->hw;
- struct e1000_fc_info *fc = &adapter->hw.fc;
+ struct e1000_mac_info *mac = &hw->mac;
+ struct e1000_fc_info *fc = &hw->fc;
u32 pba = 0, tx_space, min_tx_space, min_rx_space;
u16 hwm;

/* Repartition Pba for greater than 9k mtu
* To take effect CTRL.RST is required.
*/
+ if (mac->type != e1000_82576) {
pba = E1000_PBA_34K;
+ }
+ else {
+ pba = E1000_PBA_64K;
+ }

- if (adapter->max_frame_size > ETH_FRAME_LEN + ETH_FCS_LEN) {
+ if ((adapter->max_frame_size > ETH_FRAME_LEN + ETH_FCS_LEN) &&
+ (mac->type < e1000_82576)) {
/* adjust PBA for jumbo frames */
wr32(E1000_PBA, pba);

@@ -817,8 +903,8 @@ void igb_reset(struct igb_adapter *adapter)
if (pba < min_rx_space)
pba = min_rx_space;
}
+ wr32(E1000_PBA, pba);
}
- wr32(E1000_PBA, pba);

/* flow control settings */
/* The high water mark must be low enough to fit one full frame
@@ -827,10 +913,15 @@ void igb_reset(struct igb_adapter *adapter)
* - 90% of the Rx FIFO size, or
* - the full Rx FIFO size minus one full frame */
hwm = min(((pba << 10) * 9 / 10),
- ((pba << 10) - adapter->max_frame_size));
+ ((pba << 10) - 2 * adapter->max_frame_size));

- fc->high_water = hwm & 0xFFF8; /* 8-byte granularity */
- fc->low_water = fc->high_water - 8;
+ if (mac->type < e1000_82576) {
+ fc->high_water = hwm & 0xFFF8; /* 8-byte granularity */
+ fc->low_water = fc->high_water - 8;
+ } else {
+ fc->high_water = hwm & 0xFFF0; /* 16-byte granularity */
+ fc->low_water = fc->high_water - 16;
+ }
fc->pause_time = 0xFFFF;
fc->send_xon = 1;
fc->type = fc->original_type;
@@ -1091,9 +1182,12 @@ static int __devinit igb_probe(struct pci_dev *pdev,
* lan on a particular port */
switch (pdev->device) {
case E1000_DEV_ID_82575GB_QUAD_COPPER:
+ case E1000_DEV_ID_82576_QUAD_COPPER:
adapter->eeprom_wol = 0;
break;
case E1000_DEV_ID_82575EB_FIBER_SERDES:
+ case E1000_DEV_ID_82576_FIBER:
+ case E1000_DEV_ID_82576_SERDES:
/* Wake events only supported on port A for dual fiber
* regardless of eeprom setting */
if (rd32(E1000_STATUS) & E1000_STATUS_FUNC_1)
@@ -1774,7 +1868,10 @@ static void igb_configure_rx(struct igb_adapter *adapter)

get_random_bytes(&random[0], 40);

- shift = 6;
+ if (hw->mac.type >= e1000_82576)
+ shift = 0;
+ else
+ shift = 6;
for (j = 0; j < (32 * 4); j++) {
reta.bytes[j & 3] =
(j % adapter->num_rx_queues) << shift;
@@ -2100,7 +2197,7 @@ static void igb_set_multi(struct net_device *netdev)

if (!netdev->mc_count) {
/* nothing to program, so clear mc list */
- igb_update_mc_addr_list(hw, NULL, 0, 1,
+ igb_update_mc_addr_list_82575(hw, NULL, 0, 1,
mac->rar_entry_count);
return;
}
@@ -2118,7 +2215,8 @@ static void igb_set_multi(struct net_device *netdev)
memcpy(mta_list + (i*ETH_ALEN), mc_ptr->dmi_addr, ETH_ALEN);
mc_ptr = mc_ptr->next;
}
- igb_update_mc_addr_list(hw, mta_list, i, 1, mac->rar_entry_count);
+ igb_update_mc_addr_list_82575(hw, mta_list, i, 1,
+ mac->rar_entry_count);
kfree(mta_list);
}

@@ -3184,8 +3282,14 @@ static void igb_update_rx_dca(struct igb_ring *rx_ring)

if (rx_ring->cpu != cpu) {
dca_rxctrl = rd32(E1000_DCA_RXCTRL(q));
- dca_rxctrl &= ~E1000_DCA_RXCTRL_CPUID_MASK;
- dca_rxctrl |= dca_get_tag(cpu);
+ if (hw->mac.type == e1000_82576) {
+ dca_rxctrl &= ~E1000_DCA_RXCTRL_CPUID_MASK_82576;
+ dca_rxctrl |= dca_get_tag(cpu) <<
+ E1000_DCA_RXCTRL_CPUID_SHIFT;
+ } else {
+ dca_rxctrl &= ~E1000_DCA_RXCTRL_CPUID_MASK;
+ dca_rxctrl |= dca_get_tag(cpu);
+ }
dca_rxctrl |= E1000_DCA_RXCTRL_DESC_DCA_EN;
dca_rxctrl |= E1000_DCA_RXCTRL_HEAD_DCA_EN;
dca_rxctrl |= E1000_DCA_RXCTRL_DATA_DCA_EN;
@@ -3205,8 +3309,14 @@ static void igb_update_tx_dca(struct igb_ring *tx_ring)

if (tx_ring->cpu != cpu) {
dca_txctrl = rd32(E1000_DCA_TXCTRL(q));
- dca_txctrl &= ~E1000_DCA_TXCTRL_CPUID_MASK;
- dca_txctrl |= dca_get_tag(cpu);
+ if (hw->mac.type == e1000_82576) {
+ dca_txctrl &= ~E1000_DCA_TXCTRL_CPUID_MASK_82576;
+ dca_txctrl |= dca_get_tag(cpu) <<
+ E1000_DCA_TXCTRL_CPUID_SHIFT;
+ } else {
+ dca_txctrl &= ~E1000_DCA_TXCTRL_CPUID_MASK;
+ dca_txctrl |= dca_get_tag(cpu);
+ }
dca_txctrl |= E1000_DCA_TXCTRL_DESC_DCA_EN;
wr32(E1000_DCA_TXCTRL(q), dca_txctrl);
tx_ring->cpu = cpu;
@@ -3545,7 +3655,7 @@ done_cleaning:
/* detected Tx unit hang */
dev_err(&adapter->pdev->dev,
"Detected Tx Unit Hang\n"
- " Tx Queue <%lu>\n"
+ " Tx Queue <%d>\n"
" TDH <%x>\n"
" TDT <%x>\n"
" next_to_use <%x>\n"
@@ -3555,8 +3665,7 @@ done_cleaning:
" time_stamp <%lx>\n"
" jiffies <%lx>\n"
" desc.status <%x>\n",
- (unsigned long)((tx_ring - adapter->tx_ring) /
- sizeof(struct igb_ring)),
+ tx_ring->queue_index,
readl(adapter->hw.hw_addr + tx_ring->head),
readl(adapter->hw.hw_addr + tx_ring->tail),
tx_ring->next_to_use,
@@ -4072,7 +4181,7 @@ static int igb_suspend(struct pci_dev *pdev, pm_message_t state)
struct net_device *netdev = pci_get_drvdata(pdev);
struct igb_adapter *adapter = netdev_priv(netdev);
struct e1000_hw *hw = &adapter->hw;
- u32 ctrl, ctrl_ext, rctl, status;
+ u32 ctrl, rctl, status;
u32 wufc = adapter->wol;
#ifdef CONFIG_PM
int retval = 0;
@@ -4115,33 +4224,24 @@ static int igb_suspend(struct pci_dev *pdev, pm_message_t state)
ctrl |= E1000_CTRL_ADVD3WUC;
wr32(E1000_CTRL, ctrl);

- if (adapter->hw.phy.media_type == e1000_media_type_fiber ||
- adapter->hw.phy.media_type ==
- e1000_media_type_internal_serdes) {
- /* keep the laser running in D3 */
- ctrl_ext = rd32(E1000_CTRL_EXT);
- ctrl_ext |= E1000_CTRL_EXT_SDP7_DATA;
- wr32(E1000_CTRL_EXT, ctrl_ext);
- }
-
/* Allow time for pending master requests to run */
igb_disable_pcie_master(&adapter->hw);

wr32(E1000_WUC, E1000_WUC_PME_EN);
wr32(E1000_WUFC, wufc);
- pci_enable_wake(pdev, PCI_D3hot, 1);
- pci_enable_wake(pdev, PCI_D3cold, 1);
} else {
wr32(E1000_WUC, 0);
wr32(E1000_WUFC, 0);
- pci_enable_wake(pdev, PCI_D3hot, 0);
- pci_enable_wake(pdev, PCI_D3cold, 0);
}

- /* make sure adapter isn't asleep if manageability is enabled */
- if (adapter->en_mng_pt) {
+ /* make sure adapter isn't asleep if manageability/wol is enabled */
+ if (wufc || adapter->en_mng_pt) {
pci_enable_wake(pdev, PCI_D3hot, 1);
pci_enable_wake(pdev, PCI_D3cold, 1);
+ } else {
+ igb_shutdown_fiber_serdes_link_82575(hw);
+ pci_enable_wake(pdev, PCI_D3hot, 0);
+ pci_enable_wake(pdev, PCI_D3cold, 0);
}

/* Release control of h/w to f/w. If f/w is AMT enabled, this