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authorIngo Molnar <mingo@elte.hu>2009-09-15 12:18:15 +0200
committerIngo Molnar <mingo@elte.hu>2009-09-15 12:18:15 +0200
commitdca2d6ac09d9ef59ff46820d4f0c94b08a671202 (patch)
treefdec753b842dad09e3a4151954fab3eb5c43500d /drivers/net/igb/e1000_mac.c
parentd6a65dffb30d8636b1e5d4c201564ef401a246cf (diff)
parent18240904960a39e582ced8ba8ececb10b8c22dd3 (diff)
Merge branch 'linus' into tracing/hw-breakpoints
Conflicts: arch/x86/kernel/process_64.c Semantic conflict fixed in: arch/x86/kvm/x86.c Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'drivers/net/igb/e1000_mac.c')
-rw-r--r--drivers/net/igb/e1000_mac.c175
1 files changed, 110 insertions, 65 deletions
diff --git a/drivers/net/igb/e1000_mac.c b/drivers/net/igb/e1000_mac.c
index 472f3f12484..a0231cd079f 100644
--- a/drivers/net/igb/e1000_mac.c
+++ b/drivers/net/igb/e1000_mac.c
@@ -37,20 +37,6 @@
static s32 igb_set_default_fc(struct e1000_hw *hw);
static s32 igb_set_fc_watermarks(struct e1000_hw *hw);
-static s32 igb_read_pcie_cap_reg(struct e1000_hw *hw, u32 reg, u16 *value)
-{
- struct igb_adapter *adapter = hw->back;
- u16 cap_offset;
-
- cap_offset = pci_find_capability(adapter->pdev, PCI_CAP_ID_EXP);
- if (!cap_offset)
- return -E1000_ERR_CONFIG;
-
- pci_read_config_word(adapter->pdev, cap_offset + reg, value);
-
- return 0;
-}
-
/**
* igb_get_bus_info_pcie - Get PCIe bus information
* @hw: pointer to the HW structure
@@ -118,6 +104,31 @@ static void igb_write_vfta(struct e1000_hw *hw, u32 offset, u32 value)
}
/**
+ * igb_init_rx_addrs - 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.
+ **/
+void igb_init_rx_addrs(struct e1000_hw *hw, u16 rar_count)
+{
+ u32 i;
+ u8 mac_addr[ETH_ALEN] = {0};
+
+ /* 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, mac_addr, i);
+}
+
+/**
* igb_vfta_set - enable or disable vlan in VLAN filter table
* @hw: pointer to the HW structure
* @vid: VLAN id to add or remove
@@ -275,6 +286,41 @@ void igb_mta_set(struct e1000_hw *hw, u32 hash_value)
}
/**
+ * igb_update_mc_addr_list - Update Multicast addresses
+ * @hw: pointer to the HW structure
+ * @mc_addr_list: array of multicast addresses to program
+ * @mc_addr_count: number of multicast addresses to program
+ *
+ * Updates entire Multicast Table Array.
+ * The caller must have a packed mc_addr_list of multicast addresses.
+ **/
+void igb_update_mc_addr_list(struct e1000_hw *hw,
+ u8 *mc_addr_list, u32 mc_addr_count)
+{
+ u32 hash_value, hash_bit, hash_reg;
+ int i;
+
+ /* clear mta_shadow */
+ memset(&hw->mac.mta_shadow, 0, sizeof(hw->mac.mta_shadow));
+
+ /* update mta_shadow from mc_addr_list */
+ for (i = 0; (u32) i < mc_addr_count; i++) {
+ hash_value = igb_hash_mc_addr(hw, mc_addr_list);
+
+ hash_reg = (hash_value >> 5) & (hw->mac.mta_reg_count - 1);
+ hash_bit = hash_value & 0x1F;
+
+ hw->mac.mta_shadow[hash_reg] |= (1 << hash_bit);
+ mc_addr_list += (ETH_ALEN);
+ }
+
+ /* replace the entire MTA table */
+ for (i = hw->mac.mta_reg_count - 1; i >= 0; i--)
+ array_wr32(E1000_MTA, i, hw->mac.mta_shadow[i]);
+ wrfl();
+}
+
+/**
* igb_hash_mc_addr - Generate a multicast hash value
* @hw: pointer to the HW structure
* @mc_addr: pointer to a multicast address
@@ -490,18 +536,24 @@ s32 igb_setup_link(struct e1000_hw *hw)
if (igb_check_reset_block(hw))
goto out;
- ret_val = igb_set_default_fc(hw);
- if (ret_val)
- goto out;
+ /*
+ * If requested flow control is set to default, set flow control
+ * based on the EEPROM flow control settings.
+ */
+ if (hw->fc.requested_mode == e1000_fc_default) {
+ ret_val = igb_set_default_fc(hw);
+ if (ret_val)
+ goto out;
+ }
/*
* 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.
*/
- hw->fc.original_type = hw->fc.type;
+ hw->fc.current_mode = hw->fc.requested_mode;
- hw_dbg("After fix-ups FlowControl is now = %x\n", hw->fc.type);
+ hw_dbg("After fix-ups FlowControl is now = %x\n", hw->fc.current_mode);
/* Call the necessary media_type subroutine to configure the link. */
ret_val = hw->mac.ops.setup_physical_interface(hw);
@@ -568,7 +620,7 @@ static s32 igb_set_fc_watermarks(struct e1000_hw *hw)
* ability to transmit pause frames is not enabled, then these
* registers will be set to 0.
*/
- if (hw->fc.type & e1000_fc_tx_pause) {
+ if (hw->fc.current_mode & e1000_fc_tx_pause) {
/*
* We need to set up the Receive Threshold high and low water
* marks as well as (optionally) enabling the transmission of
@@ -615,12 +667,12 @@ static s32 igb_set_default_fc(struct e1000_hw *hw)
}
if ((nvm_data & NVM_WORD0F_PAUSE_MASK) == 0)
- hw->fc.type = e1000_fc_none;
+ hw->fc.requested_mode = e1000_fc_none;
else if ((nvm_data & NVM_WORD0F_PAUSE_MASK) ==
NVM_WORD0F_ASM_DIR)
- hw->fc.type = e1000_fc_tx_pause;
+ hw->fc.requested_mode = e1000_fc_tx_pause;
else
- hw->fc.type = e1000_fc_full;
+ hw->fc.requested_mode = e1000_fc_full;
out:
return ret_val;
@@ -650,7 +702,7 @@ s32 igb_force_mac_fc(struct e1000_hw *hw)
* receive flow control.
*
* The "Case" statement below enables/disable flow control
- * according to the "hw->fc.type" parameter.
+ * according to the "hw->fc.current_mode" parameter.
*
* The possible values of the "fc" parameter are:
* 0: Flow control is completely disabled
@@ -661,9 +713,9 @@ s32 igb_force_mac_fc(struct e1000_hw *hw)
* 3: Both Rx and TX flow control (symmetric) is enabled.
* other: No other values should be possible at this point.
*/
- hw_dbg("hw->fc.type = %u\n", hw->fc.type);
+ hw_dbg("hw->fc.current_mode = %u\n", hw->fc.current_mode);
- switch (hw->fc.type) {
+ switch (hw->fc.current_mode) {
case e1000_fc_none:
ctrl &= (~(E1000_CTRL_TFCE | E1000_CTRL_RFCE));
break;
@@ -713,8 +765,7 @@ s32 igb_config_fc_after_link_up(struct e1000_hw *hw)
* configuration of the MAC to match the "fc" parameter.
*/
if (mac->autoneg_failed) {
- if (hw->phy.media_type == e1000_media_type_fiber ||
- hw->phy.media_type == e1000_media_type_internal_serdes)
+ if (hw->phy.media_type == e1000_media_type_internal_serdes)
ret_val = igb_force_mac_fc(hw);
} else {
if (hw->phy.media_type == e1000_media_type_copper)
@@ -812,11 +863,11 @@ s32 igb_config_fc_after_link_up(struct e1000_hw *hw)
* ONLY. Hence, we must now check to see if we need to
* turn OFF the TRANSMISSION of PAUSE frames.
*/
- if (hw->fc.original_type == e1000_fc_full) {
- hw->fc.type = e1000_fc_full;
+ if (hw->fc.requested_mode == e1000_fc_full) {
+ hw->fc.current_mode = e1000_fc_full;
hw_dbg("Flow Control = FULL.\r\n");
} else {
- hw->fc.type = e1000_fc_rx_pause;
+ hw->fc.current_mode = e1000_fc_rx_pause;
hw_dbg("Flow Control = "
"RX PAUSE frames only.\r\n");
}
@@ -833,7 +884,7 @@ s32 igb_config_fc_after_link_up(struct e1000_hw *hw)
(mii_nway_adv_reg & NWAY_AR_ASM_DIR) &&
(mii_nway_lp_ability_reg & NWAY_LPAR_PAUSE) &&
(mii_nway_lp_ability_reg & NWAY_LPAR_ASM_DIR)) {
- hw->fc.type = e1000_fc_tx_pause;
+ hw->fc.current_mode = e1000_fc_tx_pause;
hw_dbg("Flow Control = TX PAUSE frames only.\r\n");
}
/*
@@ -848,7 +899,7 @@ s32 igb_config_fc_after_link_up(struct e1000_hw *hw)
(mii_nway_adv_reg & NWAY_AR_ASM_DIR) &&
!(mii_nway_lp_ability_reg & NWAY_LPAR_PAUSE) &&
(mii_nway_lp_ability_reg & NWAY_LPAR_ASM_DIR)) {
- hw->fc.type = e1000_fc_rx_pause;
+ hw->fc.current_mode = e1000_fc_rx_pause;
hw_dbg("Flow Control = RX PAUSE frames only.\r\n");
}
/*
@@ -872,13 +923,13 @@ s32 igb_config_fc_after_link_up(struct e1000_hw *hw)
* be asked to delay transmission of packets than asking
* our link partner to pause transmission of frames.
*/
- else if ((hw->fc.original_type == e1000_fc_none ||
- hw->fc.original_type == e1000_fc_tx_pause) ||
+ else if ((hw->fc.requested_mode == e1000_fc_none ||
+ hw->fc.requested_mode == e1000_fc_tx_pause) ||
hw->fc.strict_ieee) {
- hw->fc.type = e1000_fc_none;
+ hw->fc.current_mode = e1000_fc_none;
hw_dbg("Flow Control = NONE.\r\n");
} else {
- hw->fc.type = e1000_fc_rx_pause;
+ hw->fc.current_mode = e1000_fc_rx_pause;
hw_dbg("Flow Control = RX PAUSE frames only.\r\n");
}
@@ -894,7 +945,7 @@ s32 igb_config_fc_after_link_up(struct e1000_hw *hw)
}
if (duplex == HALF_DUPLEX)
- hw->fc.type = e1000_fc_none;
+ hw->fc.current_mode = e1000_fc_none;
/*
* Now we call a subroutine to actually force the MAC
@@ -1065,9 +1116,17 @@ static s32 igb_valid_led_default(struct e1000_hw *hw, u16 *data)
goto out;
}
- if (*data == ID_LED_RESERVED_0000 || *data == ID_LED_RESERVED_FFFF)
- *data = ID_LED_DEFAULT;
-
+ if (*data == ID_LED_RESERVED_0000 || *data == ID_LED_RESERVED_FFFF) {
+ switch(hw->phy.media_type) {
+ case e1000_media_type_internal_serdes:
+ *data = ID_LED_DEFAULT_82575_SERDES;
+ break;
+ case e1000_media_type_copper:
+ default:
+ *data = ID_LED_DEFAULT;
+ break;
+ }
+ }
out:
return ret_val;
}
@@ -1161,22 +1220,16 @@ s32 igb_blink_led(struct e1000_hw *hw)
u32 ledctl_blink = 0;
u32 i;
- if (hw->phy.media_type == e1000_media_type_fiber) {
- /* always blink LED0 for PCI-E fiber */
- 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
- */
- ledctl_blink = hw->mac.ledctl_mode2;
- for (i = 0; i < 4; i++)
- if (((hw->mac.ledctl_mode2 >> (i * 8)) & 0xFF) ==
- E1000_LEDCTL_MODE_LED_ON)
- ledctl_blink |= (E1000_LEDCTL_LED0_BLINK <<
- (i * 8));
- }
+ /*
+ * 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) ==
+ E1000_LEDCTL_MODE_LED_ON)
+ ledctl_blink |= (E1000_LEDCTL_LED0_BLINK <<
+ (i * 8));
wr32(E1000_LEDCTL, ledctl_blink);
@@ -1191,15 +1244,7 @@ s32 igb_blink_led(struct e1000_hw *hw)
**/
s32 igb_led_off(struct e1000_hw *hw)
{
- u32 ctrl;
-
switch (hw->phy.media_type) {
- case e1000_media_type_fiber:
- ctrl = rd32(E1000_CTRL);
- ctrl |= E1000_CTRL_SWDPIN0;
- ctrl |= E1000_CTRL_SWDPIO0;
- wr32(E1000_CTRL, ctrl);
- break;
case e1000_media_type_copper:
wr32(E1000_LEDCTL, hw->mac.ledctl_mode1);
break;