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path: root/drivers/net/ixgb/ixgb_hw.c
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Diffstat (limited to 'drivers/net/ixgb/ixgb_hw.c')
-rw-r--r--drivers/net/ixgb/ixgb_hw.c164
1 files changed, 61 insertions, 103 deletions
diff --git a/drivers/net/ixgb/ixgb_hw.c b/drivers/net/ixgb/ixgb_hw.c
index ff67a84e680..397acabccab 100644
--- a/drivers/net/ixgb/ixgb_hw.c
+++ b/drivers/net/ixgb/ixgb_hw.c
@@ -30,9 +30,13 @@
* Shared functions for accessing and configuring the adapter
*/
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
#include "ixgb_hw.h"
#include "ixgb_ids.h"
+#include <linux/etherdevice.h>
+
/* Local function prototypes */
static u32 ixgb_hash_mc_addr(struct ixgb_hw *hw, u8 * mc_addr);
@@ -120,13 +124,13 @@ ixgb_adapter_stop(struct ixgb_hw *hw)
u32 ctrl_reg;
u32 icr_reg;
- DEBUGFUNC("ixgb_adapter_stop");
+ ENTER();
/* If we are stopped or resetting exit gracefully and wait to be
* started again before accessing the hardware.
*/
if (hw->adapter_stopped) {
- DEBUGOUT("Exiting because the adapter is already stopped!!!\n");
+ pr_debug("Exiting because the adapter is already stopped!!!\n");
return false;
}
@@ -136,7 +140,7 @@ ixgb_adapter_stop(struct ixgb_hw *hw)
hw->adapter_stopped = true;
/* Clear interrupt mask to stop board from generating interrupts */
- DEBUGOUT("Masking off all interrupts\n");
+ pr_debug("Masking off all interrupts\n");
IXGB_WRITE_REG(hw, IMC, 0xFFFFFFFF);
/* Disable the Transmit and Receive units. Then delay to allow
@@ -152,12 +156,12 @@ ixgb_adapter_stop(struct ixgb_hw *hw)
* the current PCI configuration. The global reset bit is self-
* clearing, and should clear within a microsecond.
*/
- DEBUGOUT("Issuing a global reset to MAC\n");
+ pr_debug("Issuing a global reset to MAC\n");
ctrl_reg = ixgb_mac_reset(hw);
/* Clear interrupt mask to stop board from generating interrupts */
- DEBUGOUT("Masking off all interrupts\n");
+ pr_debug("Masking off all interrupts\n");
IXGB_WRITE_REG(hw, IMC, 0xffffffff);
/* Clear any pending interrupt events. */
@@ -183,7 +187,7 @@ ixgb_identify_xpak_vendor(struct ixgb_hw *hw)
u16 vendor_name[5];
ixgb_xpak_vendor xpak_vendor;
- DEBUGFUNC("ixgb_identify_xpak_vendor");
+ ENTER();
/* Read the first few bytes of the vendor string from the XPAK NVR
* registers. These are standard XENPAK/XPAK registers, so all XPAK
@@ -222,12 +226,12 @@ ixgb_identify_phy(struct ixgb_hw *hw)
ixgb_phy_type phy_type;
ixgb_xpak_vendor xpak_vendor;
- DEBUGFUNC("ixgb_identify_phy");
+ ENTER();
/* Infer the transceiver/phy type from the device id */
switch (hw->device_id) {
case IXGB_DEVICE_ID_82597EX:
- DEBUGOUT("Identified TXN17401 optics\n");
+ pr_debug("Identified TXN17401 optics\n");
phy_type = ixgb_phy_type_txn17401;
break;
@@ -237,30 +241,30 @@ ixgb_identify_phy(struct ixgb_hw *hw)
* type of optics. */
xpak_vendor = ixgb_identify_xpak_vendor(hw);
if (xpak_vendor == ixgb_xpak_vendor_intel) {
- DEBUGOUT("Identified TXN17201 optics\n");
+ pr_debug("Identified TXN17201 optics\n");
phy_type = ixgb_phy_type_txn17201;
} else {
- DEBUGOUT("Identified G6005 optics\n");
+ pr_debug("Identified G6005 optics\n");
phy_type = ixgb_phy_type_g6005;
}
break;
case IXGB_DEVICE_ID_82597EX_LR:
- DEBUGOUT("Identified G6104 optics\n");
+ pr_debug("Identified G6104 optics\n");
phy_type = ixgb_phy_type_g6104;
break;
case IXGB_DEVICE_ID_82597EX_CX4:
- DEBUGOUT("Identified CX4\n");
+ pr_debug("Identified CX4\n");
xpak_vendor = ixgb_identify_xpak_vendor(hw);
if (xpak_vendor == ixgb_xpak_vendor_intel) {
- DEBUGOUT("Identified TXN17201 optics\n");
+ pr_debug("Identified TXN17201 optics\n");
phy_type = ixgb_phy_type_txn17201;
} else {
- DEBUGOUT("Identified G6005 optics\n");
+ pr_debug("Identified G6005 optics\n");
phy_type = ixgb_phy_type_g6005;
}
break;
default:
- DEBUGOUT("Unknown physical layer module\n");
+ pr_debug("Unknown physical layer module\n");
phy_type = ixgb_phy_type_unknown;
break;
}
@@ -296,18 +300,18 @@ ixgb_init_hw(struct ixgb_hw *hw)
u32 ctrl_reg;
bool status;
- DEBUGFUNC("ixgb_init_hw");
+ ENTER();
/* Issue a global reset to the MAC. This will reset the chip's
* transmit, receive, DMA, and link units. It will not effect
* the current PCI configuration. The global reset bit is self-
* clearing, and should clear within a microsecond.
*/
- DEBUGOUT("Issuing a global reset to MAC\n");
+ pr_debug("Issuing a global reset to MAC\n");
ctrl_reg = ixgb_mac_reset(hw);
- DEBUGOUT("Issuing an EE reset to MAC\n");
+ pr_debug("Issuing an EE reset to MAC\n");
#ifdef HP_ZX1
/* Workaround for 82597EX reset errata */
IXGB_WRITE_REG_IO(hw, CTRL1, IXGB_CTRL1_EE_RST);
@@ -335,7 +339,7 @@ ixgb_init_hw(struct ixgb_hw *hw)
* If it is not valid, we fail hardware init.
*/
if (!mac_addr_valid(hw->curr_mac_addr)) {
- DEBUGOUT("MAC address invalid after ixgb_init_rx_addrs\n");
+ pr_debug("MAC address invalid after ixgb_init_rx_addrs\n");
return(false);
}
@@ -346,7 +350,7 @@ ixgb_init_hw(struct ixgb_hw *hw)
ixgb_get_bus_info(hw);
/* Zero out the Multicast HASH table */
- DEBUGOUT("Zeroing the MTA\n");
+ pr_debug("Zeroing the MTA\n");
for (i = 0; i < IXGB_MC_TBL_SIZE; i++)
IXGB_WRITE_REG_ARRAY(hw, MTA, i, 0);
@@ -379,7 +383,7 @@ ixgb_init_rx_addrs(struct ixgb_hw *hw)
{
u32 i;
- DEBUGFUNC("ixgb_init_rx_addrs");
+ ENTER();
/*
* If the current mac address is valid, assume it is a software override
@@ -391,35 +395,24 @@ ixgb_init_rx_addrs(struct ixgb_hw *hw)
/* Get the MAC address from the eeprom for later reference */
ixgb_get_ee_mac_addr(hw, hw->curr_mac_addr);
- DEBUGOUT3(" Keeping Permanent MAC Addr =%.2X %.2X %.2X ",
- hw->curr_mac_addr[0],
- hw->curr_mac_addr[1], hw->curr_mac_addr[2]);
- DEBUGOUT3("%.2X %.2X %.2X\n",
- hw->curr_mac_addr[3],
- hw->curr_mac_addr[4], hw->curr_mac_addr[5]);
+ pr_debug("Keeping Permanent MAC Addr = %pM\n",
+ hw->curr_mac_addr);
} else {
/* Setup the receive address. */
- DEBUGOUT("Overriding MAC Address in RAR[0]\n");
- DEBUGOUT3(" New MAC Addr =%.2X %.2X %.2X ",
- hw->curr_mac_addr[0],
- hw->curr_mac_addr[1], hw->curr_mac_addr[2]);
- DEBUGOUT3("%.2X %.2X %.2X\n",
- hw->curr_mac_addr[3],
- hw->curr_mac_addr[4], hw->curr_mac_addr[5]);
+ pr_debug("Overriding MAC Address in RAR[0]\n");
+ pr_debug("New MAC Addr = %pM\n", hw->curr_mac_addr);
ixgb_rar_set(hw, hw->curr_mac_addr, 0);
}
/* Zero out the other 15 receive addresses. */
- DEBUGOUT("Clearing RAR[1-15]\n");
+ pr_debug("Clearing RAR[1-15]\n");
for (i = 1; i < IXGB_RAR_ENTRIES; i++) {
/* Write high reg first to disable the AV bit first */
IXGB_WRITE_REG_ARRAY(hw, RA, ((i << 1) + 1), 0);
IXGB_WRITE_REG_ARRAY(hw, RA, (i << 1), 0);
}
-
- return;
}
/******************************************************************************
@@ -444,65 +437,50 @@ ixgb_mc_addr_list_update(struct ixgb_hw *hw,
u32 hash_value;
u32 i;
u32 rar_used_count = 1; /* RAR[0] is used for our MAC address */
+ u8 *mca;
- DEBUGFUNC("ixgb_mc_addr_list_update");
+ ENTER();
/* Set the new number of MC addresses that we are being requested to use. */
hw->num_mc_addrs = mc_addr_count;
/* Clear RAR[1-15] */
- DEBUGOUT(" Clearing RAR[1-15]\n");
+ pr_debug("Clearing RAR[1-15]\n");
for (i = rar_used_count; i < IXGB_RAR_ENTRIES; i++) {
IXGB_WRITE_REG_ARRAY(hw, RA, (i << 1), 0);
IXGB_WRITE_REG_ARRAY(hw, RA, ((i << 1) + 1), 0);
}
/* Clear the MTA */
- DEBUGOUT(" Clearing MTA\n");
+ pr_debug("Clearing MTA\n");
for (i = 0; i < IXGB_MC_TBL_SIZE; i++)
IXGB_WRITE_REG_ARRAY(hw, MTA, i, 0);
/* Add the new addresses */
+ mca = mc_addr_list;
for (i = 0; i < mc_addr_count; i++) {
- DEBUGOUT(" Adding the multicast addresses:\n");
- DEBUGOUT7(" MC Addr #%d =%.2X %.2X %.2X %.2X %.2X %.2X\n", i,
- mc_addr_list[i * (IXGB_ETH_LENGTH_OF_ADDRESS + pad)],
- mc_addr_list[i * (IXGB_ETH_LENGTH_OF_ADDRESS + pad) +
- 1],
- mc_addr_list[i * (IXGB_ETH_LENGTH_OF_ADDRESS + pad) +
- 2],
- mc_addr_list[i * (IXGB_ETH_LENGTH_OF_ADDRESS + pad) +
- 3],
- mc_addr_list[i * (IXGB_ETH_LENGTH_OF_ADDRESS + pad) +
- 4],
- mc_addr_list[i * (IXGB_ETH_LENGTH_OF_ADDRESS + pad) +
- 5]);
+ pr_debug("Adding the multicast addresses:\n");
+ pr_debug("MC Addr #%d = %pM\n", i, mca);
/* Place this multicast address in the RAR if there is room, *
* else put it in the MTA
*/
if (rar_used_count < IXGB_RAR_ENTRIES) {
- ixgb_rar_set(hw,
- mc_addr_list +
- (i * (IXGB_ETH_LENGTH_OF_ADDRESS + pad)),
- rar_used_count);
- DEBUGOUT1("Added a multicast address to RAR[%d]\n", i);
+ ixgb_rar_set(hw, mca, rar_used_count);
+ pr_debug("Added a multicast address to RAR[%d]\n", i);
rar_used_count++;
} else {
- hash_value = ixgb_hash_mc_addr(hw,
- mc_addr_list +
- (i *
- (IXGB_ETH_LENGTH_OF_ADDRESS
- + pad)));
+ hash_value = ixgb_hash_mc_addr(hw, mca);
- DEBUGOUT1(" Hash value = 0x%03X\n", hash_value);
+ pr_debug("Hash value = 0x%03X\n", hash_value);
ixgb_mta_set(hw, hash_value);
}
+
+ mca += IXGB_ETH_LENGTH_OF_ADDRESS + pad;
}
- DEBUGOUT("MC Update Complete\n");
- return;
+ pr_debug("MC Update Complete\n");
}
/******************************************************************************
@@ -520,7 +498,7 @@ ixgb_hash_mc_addr(struct ixgb_hw *hw,
{
u32 hash_value = 0;
- DEBUGFUNC("ixgb_hash_mc_addr");
+ ENTER();
/* The portion of the address that is used for the hash table is
* determined by the mc_filter_type setting.
@@ -547,7 +525,7 @@ ixgb_hash_mc_addr(struct ixgb_hw *hw,
break;
default:
/* Invalid mc_filter_type, what should we do? */
- DEBUGOUT("MC filter type param set incorrectly\n");
+ pr_debug("MC filter type param set incorrectly\n");
ASSERT(0);
break;
}
@@ -585,8 +563,6 @@ ixgb_mta_set(struct ixgb_hw *hw,
mta_reg |= (1 << hash_bit);
IXGB_WRITE_REG_ARRAY(hw, MTA, hash_reg, mta_reg);
-
- return;
}
/******************************************************************************
@@ -603,7 +579,7 @@ ixgb_rar_set(struct ixgb_hw *hw,
{
u32 rar_low, rar_high;
- DEBUGFUNC("ixgb_rar_set");
+ ENTER();
/* HW expects these in little endian so we reverse the byte order
* from network order (big endian) to little endian
@@ -619,7 +595,6 @@ ixgb_rar_set(struct ixgb_hw *hw,
IXGB_WRITE_REG_ARRAY(hw, RA, (index << 1), rar_low);
IXGB_WRITE_REG_ARRAY(hw, RA, ((index << 1) + 1), rar_high);
- return;
}
/******************************************************************************
@@ -635,7 +610,6 @@ ixgb_write_vfta(struct ixgb_hw *hw,
u32 value)
{
IXGB_WRITE_REG_ARRAY(hw, VFTA, offset, value);
- return;
}
/******************************************************************************
@@ -650,7 +624,6 @@ ixgb_clear_vfta(struct ixgb_hw *hw)
for (offset = 0; offset < IXGB_VLAN_FILTER_TBL_SIZE; offset++)
IXGB_WRITE_REG_ARRAY(hw, VFTA, offset, 0);
- return;
}
/******************************************************************************
@@ -666,7 +639,7 @@ ixgb_setup_fc(struct ixgb_hw *hw)
u32 pap_reg = 0; /* by default, assume no pause time */
bool status = true;
- DEBUGFUNC("ixgb_setup_fc");
+ ENTER();
/* Get the current control reg 0 settings */
ctrl_reg = IXGB_READ_REG(hw, CTRL0);
@@ -710,7 +683,7 @@ ixgb_setup_fc(struct ixgb_hw *hw)
break;
default:
/* We should never get here. The value should be 0-3. */
- DEBUGOUT("Flow control param set incorrectly\n");
+ pr_debug("Flow control param set incorrectly\n");
ASSERT(0);
break;
}
@@ -940,7 +913,7 @@ ixgb_check_for_link(struct ixgb_hw *hw)
u32 status_reg;
u32 xpcss_reg;
- DEBUGFUNC("ixgb_check_for_link");
+ ENTER();
xpcss_reg = IXGB_READ_REG(hw, XPCSS);
status_reg = IXGB_READ_REG(hw, STATUS);
@@ -950,7 +923,7 @@ ixgb_check_for_link(struct ixgb_hw *hw)
hw->link_up = true;
} else if (!(xpcss_reg & IXGB_XPCSS_ALIGN_STATUS) &&
(status_reg & IXGB_STATUS_LU)) {
- DEBUGOUT("XPCSS Not Aligned while Status:LU is set.\n");
+ pr_debug("XPCSS Not Aligned while Status:LU is set\n");
hw->link_up = ixgb_link_reset(hw);
} else {
/*
@@ -981,8 +954,7 @@ bool ixgb_check_for_bad_link(struct ixgb_hw *hw)
newRFC = IXGB_READ_REG(hw, RFC);
if ((hw->lastLFC + 250 < newLFC)
|| (hw->lastRFC + 250 < newRFC)) {
- DEBUGOUT
- ("BAD LINK! too many LFC/RFC since last check\n");
+ pr_debug("BAD LINK! too many LFC/RFC since last check\n");
bad_link_returncode = true;
}
hw->lastLFC = newLFC;
@@ -1002,11 +974,11 @@ ixgb_clear_hw_cntrs(struct ixgb_hw *hw)
{
volatile u32 temp_reg;
- DEBUGFUNC("ixgb_clear_hw_cntrs");
+ ENTER();
/* if we are stopped or resetting exit gracefully */
if (hw->adapter_stopped) {
- DEBUGOUT("Exiting because the adapter is stopped!!!\n");
+ pr_debug("Exiting because the adapter is stopped!!!\n");
return;
}
@@ -1070,7 +1042,6 @@ ixgb_clear_hw_cntrs(struct ixgb_hw *hw)
temp_reg = IXGB_READ_REG(hw, XOFFRXC);
temp_reg = IXGB_READ_REG(hw, XOFFTXC);
temp_reg = IXGB_READ_REG(hw, RJC);
- return;
}
/******************************************************************************
@@ -1086,7 +1057,6 @@ ixgb_led_on(struct ixgb_hw *hw)
/* To turn on the LED, clear software-definable pin 0 (SDP0). */
ctrl0_reg &= ~IXGB_CTRL0_SDP0;
IXGB_WRITE_REG(hw, CTRL0, ctrl0_reg);
- return;
}
/******************************************************************************
@@ -1102,7 +1072,6 @@ ixgb_led_off(struct ixgb_hw *hw)
/* To turn off the LED, set software-definable pin 0 (SDP0). */
ctrl0_reg |= IXGB_CTRL0_SDP0;
IXGB_WRITE_REG(hw, CTRL0, ctrl0_reg);
- return;
}
/******************************************************************************
@@ -1142,8 +1111,6 @@ ixgb_get_bus_info(struct ixgb_hw *hw)
hw->bus.width = (status_reg & IXGB_STATUS_BUS64) ?
ixgb_bus_width_64 : ixgb_bus_width_32;
-
- return;
}
/******************************************************************************
@@ -1156,26 +1123,21 @@ static bool
mac_addr_valid(u8 *mac_addr)
{
bool is_valid = true;
- DEBUGFUNC("mac_addr_valid");
+ ENTER();
/* Make sure it is not a multicast address */
- if (IS_MULTICAST(mac_addr)) {
- DEBUGOUT("MAC address is multicast\n");
+ if (is_multicast_ether_addr(mac_addr)) {
+ pr_debug("MAC address is multicast\n");
is_valid = false;
}
/* Not a broadcast address */
- else if (IS_BROADCAST(mac_addr)) {
- DEBUGOUT("MAC address is broadcast\n");
+ else if (is_broadcast_ether_addr(mac_addr)) {
+ pr_debug("MAC address is broadcast\n");
is_valid = false;
}
/* Reject the zero address */
- else if (mac_addr[0] == 0 &&
- mac_addr[1] == 0 &&
- mac_addr[2] == 0 &&
- mac_addr[3] == 0 &&
- mac_addr[4] == 0 &&
- mac_addr[5] == 0) {
- DEBUGOUT("MAC address is all zeros\n");
+ else if (is_zero_ether_addr(mac_addr)) {
+ pr_debug("MAC address is all zeros\n");
is_valid = false;
}
return (is_valid);
@@ -1235,8 +1197,6 @@ ixgb_optics_reset(struct ixgb_hw *hw)
IXGB_PHY_ADDRESS,
MDIO_MMD_PMAPMD);
}
-
- return;
}
/******************************************************************************
@@ -1297,6 +1257,4 @@ ixgb_optics_reset_bcm(struct ixgb_hw *hw)
/* SerDes needs extra delay */
msleep(IXGB_SUN_PHY_RESET_DELAY);
-
- return;
}
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2024-11-29 04:05:40 +0000