summaryrefslogtreecommitdiffstats
path: root/sys/dev/ixgbe/ixgbe_common.c
diff options
context:
space:
mode:
authorjfv <jfv@FreeBSD.org>2010-11-26 22:46:32 +0000
committerjfv <jfv@FreeBSD.org>2010-11-26 22:46:32 +0000
commit48bbd73f9a053707dcc36c64c6f44045e8178dc3 (patch)
treee2b66ea0565164dc8a27eec1d115e996508a5c83 /sys/dev/ixgbe/ixgbe_common.c
parentdfd9c1b97641876cc379f1deb217b1d89114b6ff (diff)
downloadFreeBSD-src-48bbd73f9a053707dcc36c64c6f44045e8178dc3.zip
FreeBSD-src-48bbd73f9a053707dcc36c64c6f44045e8178dc3.tar.gz
Update ixgbe driver to verion 2.3.6
- This adds a VM SRIOV interface, ixv, it is however transparent to the user, it links with the ixgbe.ko, but when ixgbe is loaded in a virtualized guest with SRIOV configured this will be detected. - Sync shared code to latest - Many bug fixes and improvements, thanks to everyone who has been using the driver and reporting issues.
Diffstat (limited to 'sys/dev/ixgbe/ixgbe_common.c')
-rw-r--r--sys/dev/ixgbe/ixgbe_common.c1061
1 files changed, 752 insertions, 309 deletions
diff --git a/sys/dev/ixgbe/ixgbe_common.c b/sys/dev/ixgbe/ixgbe_common.c
index 217c477..a5b972c 100644
--- a/sys/dev/ixgbe/ixgbe_common.c
+++ b/sys/dev/ixgbe/ixgbe_common.c
@@ -33,6 +33,7 @@
/*$FreeBSD$*/
#include "ixgbe_common.h"
+#include "ixgbe_phy.h"
#include "ixgbe_api.h"
static s32 ixgbe_acquire_eeprom(struct ixgbe_hw *hw);
@@ -50,6 +51,13 @@ static void ixgbe_release_eeprom(struct ixgbe_hw *hw);
static s32 ixgbe_mta_vector(struct ixgbe_hw *hw, u8 *mc_addr);
static s32 ixgbe_get_san_mac_addr_offset(struct ixgbe_hw *hw,
u16 *san_mac_offset);
+static s32 ixgbe_fc_autoneg_fiber(struct ixgbe_hw *hw);
+static s32 ixgbe_fc_autoneg_backplane(struct ixgbe_hw *hw);
+static s32 ixgbe_fc_autoneg_copper(struct ixgbe_hw *hw);
+static s32 ixgbe_device_supports_autoneg_fc(struct ixgbe_hw *hw);
+static s32 ixgbe_negotiate_fc(struct ixgbe_hw *hw, u32 adv_reg, u32 lp_reg,
+ u32 adv_sym, u32 adv_asm, u32 lp_sym, u32 lp_asm);
+
s32 ixgbe_find_vlvf_slot(struct ixgbe_hw *hw, u32 vlan);
/**
@@ -138,7 +146,6 @@ s32 ixgbe_init_ops_generic(struct ixgbe_hw *hw)
s32 ixgbe_start_hw_generic(struct ixgbe_hw *hw)
{
u32 ctrl_ext;
- s32 ret_val = IXGBE_SUCCESS;
DEBUGFUNC("ixgbe_start_hw_generic");
@@ -165,7 +172,45 @@ s32 ixgbe_start_hw_generic(struct ixgbe_hw *hw)
/* Clear adapter stopped flag */
hw->adapter_stopped = FALSE;
- return ret_val;
+ return IXGBE_SUCCESS;
+}
+
+/**
+ * ixgbe_start_hw_gen2 - Init sequence for common device family
+ * @hw: pointer to hw structure
+ *
+ * Performs the init sequence common to the second generation
+ * of 10 GbE devices.
+ * Devices in the second generation:
+ * 82599
+ **/
+s32 ixgbe_start_hw_gen2(struct ixgbe_hw *hw)
+{
+ u32 i;
+ u32 regval;
+
+ /* Clear the rate limiters */
+ for (i = 0; i < hw->mac.max_tx_queues; i++) {
+ IXGBE_WRITE_REG(hw, IXGBE_RTTDQSEL, i);
+ IXGBE_WRITE_REG(hw, IXGBE_RTTBCNRC, 0);
+ }
+ IXGBE_WRITE_FLUSH(hw);
+
+ /* Disable relaxed ordering */
+ for (i = 0; i < hw->mac.max_tx_queues; i++) {
+ regval = IXGBE_READ_REG(hw, IXGBE_DCA_TXCTRL_82599(i));
+ regval &= ~IXGBE_DCA_TXCTRL_TX_WB_RO_EN;
+ IXGBE_WRITE_REG(hw, IXGBE_DCA_TXCTRL_82599(i), regval);
+ }
+
+ for (i = 0; i < hw->mac.max_rx_queues; i++) {
+ regval = IXGBE_READ_REG(hw, IXGBE_DCA_RXCTRL(i));
+ regval &= ~(IXGBE_DCA_RXCTRL_DESC_WRO_EN |
+ IXGBE_DCA_RXCTRL_DESC_HSRO_EN);
+ IXGBE_WRITE_REG(hw, IXGBE_DCA_RXCTRL(i), regval);
+ }
+
+ return IXGBE_SUCCESS;
}
/**
@@ -180,7 +225,7 @@ s32 ixgbe_start_hw_generic(struct ixgbe_hw *hw)
**/
s32 ixgbe_init_hw_generic(struct ixgbe_hw *hw)
{
- s32 status = IXGBE_SUCCESS;
+ s32 status;
DEBUGFUNC("ixgbe_init_hw_generic");
@@ -279,15 +324,194 @@ s32 ixgbe_clear_hw_cntrs_generic(struct ixgbe_hw *hw)
IXGBE_READ_REG(hw, IXGBE_BPTC);
for (i = 0; i < 16; i++) {
IXGBE_READ_REG(hw, IXGBE_QPRC(i));
- IXGBE_READ_REG(hw, IXGBE_QBRC(i));
IXGBE_READ_REG(hw, IXGBE_QPTC(i));
- IXGBE_READ_REG(hw, IXGBE_QBTC(i));
+ if (hw->mac.type >= ixgbe_mac_82599EB) {
+ IXGBE_READ_REG(hw, IXGBE_QBRC_L(i));
+ IXGBE_READ_REG(hw, IXGBE_QBRC_H(i));
+ IXGBE_READ_REG(hw, IXGBE_QBTC_L(i));
+ IXGBE_READ_REG(hw, IXGBE_QBTC_H(i));
+ IXGBE_READ_REG(hw, IXGBE_QPRDC(i));
+ } else {
+ IXGBE_READ_REG(hw, IXGBE_QBRC(i));
+ IXGBE_READ_REG(hw, IXGBE_QBTC(i));
+ }
}
return IXGBE_SUCCESS;
}
/**
+ * ixgbe_read_pba_string_generic - Reads part number string from EEPROM
+ * @hw: pointer to hardware structure
+ * @pba_num: stores the part number string from the EEPROM
+ * @pba_num_size: part number string buffer length
+ *
+ * Reads the part number string from the EEPROM.
+ **/
+s32 ixgbe_read_pba_string_generic(struct ixgbe_hw *hw, u8 *pba_num,
+ u32 pba_num_size)
+{
+ s32 ret_val;
+ u16 data;
+ u16 pba_ptr;
+ u16 offset;
+ u16 length;
+
+ DEBUGFUNC("ixgbe_read_pba_string_generic");
+
+ if (pba_num == NULL) {
+ DEBUGOUT("PBA string buffer was null\n");
+ return IXGBE_ERR_INVALID_ARGUMENT;
+ }
+
+ ret_val = hw->eeprom.ops.read(hw, IXGBE_PBANUM0_PTR, &data);
+ if (ret_val) {
+ DEBUGOUT("NVM Read Error\n");
+ return ret_val;
+ }
+
+ ret_val = hw->eeprom.ops.read(hw, IXGBE_PBANUM1_PTR, &pba_ptr);
+ if (ret_val) {
+ DEBUGOUT("NVM Read Error\n");
+ return ret_val;
+ }
+
+ /*
+ * if data is not ptr guard the PBA must be in legacy format which
+ * means pba_ptr is actually our second data word for the PBA number
+ * and we can decode it into an ascii string
+ */
+ if (data != IXGBE_PBANUM_PTR_GUARD) {
+ DEBUGOUT("NVM PBA number is not stored as string\n");
+
+ /* we will need 11 characters to store the PBA */
+ if (pba_num_size < 11) {
+ DEBUGOUT("PBA string buffer too small\n");
+ return IXGBE_ERR_NO_SPACE;
+ }
+
+ /* extract hex string from data and pba_ptr */
+ pba_num[0] = (data >> 12) & 0xF;
+ pba_num[1] = (data >> 8) & 0xF;
+ pba_num[2] = (data >> 4) & 0xF;
+ pba_num[3] = data & 0xF;
+ pba_num[4] = (pba_ptr >> 12) & 0xF;
+ pba_num[5] = (pba_ptr >> 8) & 0xF;
+ pba_num[6] = '-';
+ pba_num[7] = 0;
+ pba_num[8] = (pba_ptr >> 4) & 0xF;
+ pba_num[9] = pba_ptr & 0xF;
+
+ /* put a null character on the end of our string */
+ pba_num[10] = '\0';
+
+ /* switch all the data but the '-' to hex char */
+ for (offset = 0; offset < 10; offset++) {
+ if (pba_num[offset] < 0xA)
+ pba_num[offset] += '0';
+ else if (pba_num[offset] < 0x10)
+ pba_num[offset] += 'A' - 0xA;
+ }
+
+ return IXGBE_SUCCESS;
+ }
+
+ ret_val = hw->eeprom.ops.read(hw, pba_ptr, &length);
+ if (ret_val) {
+ DEBUGOUT("NVM Read Error\n");
+ return ret_val;
+ }
+
+ if (length == 0xFFFF || length == 0) {
+ DEBUGOUT("NVM PBA number section invalid length\n");
+ return IXGBE_ERR_PBA_SECTION;
+ }
+
+ /* check if pba_num buffer is big enough */
+ if (pba_num_size < (((u32)length * 2) - 1)) {
+ DEBUGOUT("PBA string buffer too small\n");
+ return IXGBE_ERR_NO_SPACE;
+ }
+
+ /* trim pba length from start of string */
+ pba_ptr++;
+ length--;
+
+ for (offset = 0; offset < length; offset++) {
+ ret_val = hw->eeprom.ops.read(hw, pba_ptr + offset, &data);
+ if (ret_val) {
+ DEBUGOUT("NVM Read Error\n");
+ return ret_val;
+ }
+ pba_num[offset * 2] = (u8)(data >> 8);
+ pba_num[(offset * 2) + 1] = (u8)(data & 0xFF);
+ }
+ pba_num[offset * 2] = '\0';
+
+ return IXGBE_SUCCESS;
+}
+
+/**
+ * ixgbe_read_pba_length_generic - Reads part number length from EEPROM
+ * @hw: pointer to hardware structure
+ * @pba_num_size: part number string buffer length
+ *
+ * Reads the part number length from the EEPROM.
+ * Returns expected buffer size in pba_num_size
+ **/
+s32 ixgbe_read_pba_length_generic(struct ixgbe_hw *hw, u32 *pba_num_size)
+{
+ s32 ret_val;
+ u16 data;
+ u16 pba_ptr;
+ u16 length;
+
+ DEBUGFUNC("ixgbe_read_pba_length_generic");
+
+ if (pba_num_size == NULL) {
+ DEBUGOUT("PBA buffer size was null\n");
+ return IXGBE_ERR_INVALID_ARGUMENT;
+ }
+
+ ret_val = hw->eeprom.ops.read(hw, IXGBE_PBANUM0_PTR, &data);
+ if (ret_val) {
+ DEBUGOUT("NVM Read Error\n");
+ return ret_val;
+ }
+
+ ret_val = hw->eeprom.ops.read(hw, IXGBE_PBANUM1_PTR, &pba_ptr);
+ if (ret_val) {
+ DEBUGOUT("NVM Read Error\n");
+ return ret_val;
+ }
+
+ /* if data is not ptr guard the PBA must be in legacy format */
+ if (data != IXGBE_PBANUM_PTR_GUARD) {
+ *pba_num_size = 11;
+ return IXGBE_SUCCESS;
+ }
+
+ ret_val = hw->eeprom.ops.read(hw, pba_ptr, &length);
+ if (ret_val) {
+ DEBUGOUT("NVM Read Error\n");
+ return ret_val;
+ }
+
+ if (length == 0xFFFF || length == 0) {
+ DEBUGOUT("NVM PBA number section invalid length\n");
+ return IXGBE_ERR_PBA_SECTION;
+ }
+
+ /*
+ * Convert from length in u16 values to u8 chars, add 1 for NULL,
+ * and subtract 2 because length field is included in length.
+ */
+ *pba_num_size = ((u32)length * 2) - 1;
+
+ return IXGBE_SUCCESS;
+}
+
+/**
* ixgbe_read_pba_num_generic - Reads part number from EEPROM
* @hw: pointer to hardware structure
* @pba_num: stores the part number from the EEPROM
@@ -305,6 +529,9 @@ s32 ixgbe_read_pba_num_generic(struct ixgbe_hw *hw, u32 *pba_num)
if (ret_val) {
DEBUGOUT("NVM Read Error\n");
return ret_val;
+ } else if (data == IXGBE_PBANUM_PTR_GUARD) {
+ DEBUGOUT("NVM Not supported\n");
+ return IXGBE_NOT_IMPLEMENTED;
}
*pba_num = (u32)(data << 16);
@@ -739,6 +966,49 @@ out:
}
/**
+ * ixgbe_write_eewr_generic - Write EEPROM word using EEWR
+ * @hw: pointer to hardware structure
+ * @offset: offset of word in the EEPROM to write
+ * @data: word write to the EEPROM
+ *
+ * Write a 16 bit word to the EEPROM using the EEWR register.
+ **/
+s32 ixgbe_write_eewr_generic(struct ixgbe_hw *hw, u16 offset, u16 data)
+{
+ u32 eewr;
+ s32 status;
+
+ DEBUGFUNC("ixgbe_write_eewr_generic");
+
+ hw->eeprom.ops.init_params(hw);
+
+ if (offset >= hw->eeprom.word_size) {
+ status = IXGBE_ERR_EEPROM;
+ goto out;
+ }
+
+ eewr = (offset << IXGBE_EEPROM_RW_ADDR_SHIFT) |
+ (data << IXGBE_EEPROM_RW_REG_DATA) | IXGBE_EEPROM_RW_REG_START;
+
+ status = ixgbe_poll_eerd_eewr_done(hw, IXGBE_NVM_POLL_WRITE);
+ if (status != IXGBE_SUCCESS) {
+ DEBUGOUT("Eeprom write EEWR timed out\n");
+ goto out;
+ }
+
+ IXGBE_WRITE_REG(hw, IXGBE_EEWR, eewr);
+
+ status = ixgbe_poll_eerd_eewr_done(hw, IXGBE_NVM_POLL_WRITE);
+ if (status != IXGBE_SUCCESS) {
+ DEBUGOUT("Eeprom write EEWR timed out\n");
+ goto out;
+ }
+
+out:
+ return status;
+}
+
+/**
* ixgbe_poll_eerd_eewr_done - Poll EERD read or EEWR write status
* @hw: pointer to hardware structure
* @ee_reg: EEPROM flag for polling
@@ -810,15 +1080,15 @@ static s32 ixgbe_acquire_eeprom(struct ixgbe_hw *hw)
ixgbe_release_swfw_sync(hw, IXGBE_GSSR_EEP_SM);
status = IXGBE_ERR_EEPROM;
}
- }
- /* Setup EEPROM for Read/Write */
- if (status == IXGBE_SUCCESS) {
- /* Clear CS and SK */
- eec &= ~(IXGBE_EEC_CS | IXGBE_EEC_SK);
- IXGBE_WRITE_REG(hw, IXGBE_EEC, eec);
- IXGBE_WRITE_FLUSH(hw);
- usec_delay(1);
+ /* Setup EEPROM for Read/Write */
+ if (status == IXGBE_SUCCESS) {
+ /* Clear CS and SK */
+ eec &= ~(IXGBE_EEC_CS | IXGBE_EEC_SK);
+ IXGBE_WRITE_REG(hw, IXGBE_EEC, eec);
+ IXGBE_WRITE_FLUSH(hw);
+ usec_delay(1);
+ }
}
return status;
}
@@ -838,6 +1108,7 @@ static s32 ixgbe_get_eeprom_semaphore(struct ixgbe_hw *hw)
DEBUGFUNC("ixgbe_get_eeprom_semaphore");
+
/* Get SMBI software semaphore between device drivers first */
for (i = 0; i < timeout; i++) {
/*
@@ -1306,36 +1577,37 @@ s32 ixgbe_set_rar_generic(struct ixgbe_hw *hw, u32 index, u8 *addr, u32 vmdq,
DEBUGFUNC("ixgbe_set_rar_generic");
+ /* Make sure we are using a valid rar index range */
+ if (index >= rar_entries) {
+ DEBUGOUT1("RAR index %d is out of range.\n", index);
+ return IXGBE_ERR_INVALID_ARGUMENT;
+ }
+
/* setup VMDq pool selection before this RAR gets enabled */
hw->mac.ops.set_vmdq(hw, index, vmdq);
- /* Make sure we are using a valid rar index range */
- if (index < rar_entries) {
- /*
- * 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)addr[1] << 8) |
- ((u32)addr[2] << 16) |
- ((u32)addr[3] << 24));
- /*
- * Some parts put the VMDq setting in the extra RAH bits,
- * so save everything except the lower 16 bits that hold part
- * of the address and the address valid bit.
- */
- rar_high = IXGBE_READ_REG(hw, IXGBE_RAH(index));
- rar_high &= ~(0x0000FFFF | IXGBE_RAH_AV);
- rar_high |= ((u32)addr[4] | ((u32)addr[5] << 8));
+ /*
+ * 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)addr[1] << 8) |
+ ((u32)addr[2] << 16) |
+ ((u32)addr[3] << 24));
+ /*
+ * Some parts put the VMDq setting in the extra RAH bits,
+ * so save everything except the lower 16 bits that hold part
+ * of the address and the address valid bit.
+ */
+ rar_high = IXGBE_READ_REG(hw, IXGBE_RAH(index));
+ rar_high &= ~(0x0000FFFF | IXGBE_RAH_AV);
+ rar_high |= ((u32)addr[4] | ((u32)addr[5] << 8));
- if (enable_addr != 0)
- rar_high |= IXGBE_RAH_AV;
+ if (enable_addr != 0)
+ rar_high |= IXGBE_RAH_AV;
- IXGBE_WRITE_REG(hw, IXGBE_RAL(index), rar_low);
- IXGBE_WRITE_REG(hw, IXGBE_RAH(index), rar_high);
- } else {
- DEBUGOUT1("RAR index %d is out of range.\n", index);
- }
+ IXGBE_WRITE_REG(hw, IXGBE_RAL(index), rar_low);
+ IXGBE_WRITE_REG(hw, IXGBE_RAH(index), rar_high);
return IXGBE_SUCCESS;
}
@@ -1355,21 +1627,22 @@ s32 ixgbe_clear_rar_generic(struct ixgbe_hw *hw, u32 index)
DEBUGFUNC("ixgbe_clear_rar_generic");
/* Make sure we are using a valid rar index range */
- if (index < rar_entries) {
- /*
- * Some parts put the VMDq setting in the extra RAH bits,
- * so save everything except the lower 16 bits that hold part
- * of the address and the address valid bit.
- */
- rar_high = IXGBE_READ_REG(hw, IXGBE_RAH(index));
- rar_high &= ~(0x0000FFFF | IXGBE_RAH_AV);
-
- IXGBE_WRITE_REG(hw, IXGBE_RAL(index), 0);
- IXGBE_WRITE_REG(hw, IXGBE_RAH(index), rar_high);
- } else {
+ if (index >= rar_entries) {
DEBUGOUT1("RAR index %d is out of range.\n", index);
+ return IXGBE_ERR_INVALID_ARGUMENT;
}
+ /*
+ * Some parts put the VMDq setting in the extra RAH bits,
+ * so save everything except the lower 16 bits that hold part
+ * of the address and the address valid bit.
+ */
+ rar_high = IXGBE_READ_REG(hw, IXGBE_RAH(index));
+ rar_high &= ~(0x0000FFFF | IXGBE_RAH_AV);
+
+ IXGBE_WRITE_REG(hw, IXGBE_RAL(index), 0);
+ IXGBE_WRITE_REG(hw, IXGBE_RAH(index), rar_high);
+
/* clear VMDq pool/queue selection for this RAR */
hw->mac.ops.clear_vmdq(hw, index, IXGBE_CLEAR_VMDQ_ALL);
@@ -1598,7 +1871,6 @@ void ixgbe_set_mta(struct ixgbe_hw *hw, u8 *mc_addr)
u32 vector;
u32 vector_bit;
u32 vector_reg;
- u32 mta_reg;
DEBUGFUNC("ixgbe_set_mta");
@@ -1618,9 +1890,7 @@ void ixgbe_set_mta(struct ixgbe_hw *hw, u8 *mc_addr)
*/
vector_reg = (vector >> 5) & 0x7F;
vector_bit = vector & 0x1F;
- mta_reg = IXGBE_READ_REG(hw, IXGBE_MTA(vector_reg));
- mta_reg |= (1 << vector_bit);
- IXGBE_WRITE_REG(hw, IXGBE_MTA(vector_reg), mta_reg);
+ hw->mac.mta_shadow[vector_reg] |= (1 << vector_bit);
}
/**
@@ -1650,18 +1920,21 @@ s32 ixgbe_update_mc_addr_list_generic(struct ixgbe_hw *hw, u8 *mc_addr_list,
hw->addr_ctrl.num_mc_addrs = mc_addr_count;
hw->addr_ctrl.mta_in_use = 0;
- /* Clear the MTA */
+ /* Clear mta_shadow */
DEBUGOUT(" Clearing MTA\n");
- for (i = 0; i < hw->mac.mcft_size; i++)
- IXGBE_WRITE_REG(hw, IXGBE_MTA(i), 0);
+ memset(&hw->mac.mta_shadow, 0, sizeof(hw->mac.mta_shadow));
- /* Add the new addresses */
+ /* Update mta_shadow */
for (i = 0; i < mc_addr_count; i++) {
DEBUGOUT(" Adding the multicast addresses:\n");
ixgbe_set_mta(hw, next(hw, &mc_addr_list, &vmdq));
}
/* Enable mta */
+ for (i = 0; i < hw->mac.mcft_size; i++)
+ IXGBE_WRITE_REG_ARRAY(hw, IXGBE_MTA(0), i,
+ hw->mac.mta_shadow[i]);
+
if (hw->addr_ctrl.mta_in_use > 0)
IXGBE_WRITE_REG(hw, IXGBE_MCSTCTRL,
IXGBE_MCSTCTRL_MFE | hw->mac.mc_filter_type);
@@ -1720,12 +1993,13 @@ s32 ixgbe_fc_enable_generic(struct ixgbe_hw *hw, s32 packetbuf_num)
u32 mflcn_reg, fccfg_reg;
u32 reg;
u32 rx_pba_size;
+ u32 fcrtl, fcrth;
DEBUGFUNC("ixgbe_fc_enable_generic");
/* Negotiate the fc mode to use */
ret_val = ixgbe_fc_autoneg(hw);
- if (ret_val)
+ if (ret_val == IXGBE_ERR_FLOW_CONTROL)
goto out;
/* Disable any previous flow control settings */
@@ -1747,7 +2021,8 @@ s32 ixgbe_fc_enable_generic(struct ixgbe_hw *hw, s32 packetbuf_num)
*/
switch (hw->fc.current_mode) {
case ixgbe_fc_none:
- /* Flow control is disabled by software override or autoneg.
+ /*
+ * Flow control is disabled by software override or autoneg.
* The code below will actually disable it in the HW.
*/
break;
@@ -1786,39 +2061,21 @@ s32 ixgbe_fc_enable_generic(struct ixgbe_hw *hw, s32 packetbuf_num)
IXGBE_WRITE_REG(hw, IXGBE_MFLCN, mflcn_reg);
IXGBE_WRITE_REG(hw, IXGBE_FCCFG, fccfg_reg);
- reg = IXGBE_READ_REG(hw, IXGBE_MTQC);
- /* Thresholds are different for link flow control when in DCB mode */
- if (reg & IXGBE_MTQC_RT_ENA) {
- rx_pba_size = IXGBE_READ_REG(hw, IXGBE_RXPBSIZE(packetbuf_num));
+ rx_pba_size = IXGBE_READ_REG(hw, IXGBE_RXPBSIZE(packetbuf_num));
+ rx_pba_size >>= IXGBE_RXPBSIZE_SHIFT;
- /* Always disable XON for LFC when in DCB mode */
- reg = (rx_pba_size >> 5) & 0xFFE0;
- IXGBE_WRITE_REG(hw, IXGBE_FCRTL_82599(packetbuf_num), reg);
+ fcrth = (rx_pba_size - hw->fc.high_water) << 10;
+ fcrtl = (rx_pba_size - hw->fc.low_water) << 10;
- reg = (rx_pba_size >> 2) & 0xFFE0;
- if (hw->fc.current_mode & ixgbe_fc_tx_pause)
- reg |= IXGBE_FCRTH_FCEN;
- IXGBE_WRITE_REG(hw, IXGBE_FCRTH_82599(packetbuf_num), reg);
- } else {
- /* Set up and enable Rx high/low water mark thresholds,
- * enable XON. */
- if (hw->fc.current_mode & ixgbe_fc_tx_pause) {
- if (hw->fc.send_xon) {
- IXGBE_WRITE_REG(hw,
- IXGBE_FCRTL_82599(packetbuf_num),
- (hw->fc.low_water |
- IXGBE_FCRTL_XONE));
- } else {
- IXGBE_WRITE_REG(hw,
- IXGBE_FCRTL_82599(packetbuf_num),
- hw->fc.low_water);
- }
-
- IXGBE_WRITE_REG(hw, IXGBE_FCRTH_82599(packetbuf_num),
- (hw->fc.high_water | IXGBE_FCRTH_FCEN));
- }
+ if (hw->fc.current_mode & ixgbe_fc_tx_pause) {
+ fcrth |= IXGBE_FCRTH_FCEN;
+ if (hw->fc.send_xon)
+ fcrtl |= IXGBE_FCRTL_XONE;
}
+ IXGBE_WRITE_REG(hw, IXGBE_FCRTH_82599(packetbuf_num), fcrth);
+ IXGBE_WRITE_REG(hw, IXGBE_FCRTL_82599(packetbuf_num), fcrtl);
+
/* Configure pause time (2 TCs per register) */
reg = IXGBE_READ_REG(hw, IXGBE_FCTTV(packetbuf_num / 2));
if ((packetbuf_num & 1) == 0)
@@ -1842,14 +2099,15 @@ out:
**/
s32 ixgbe_fc_autoneg(struct ixgbe_hw *hw)
{
- s32 ret_val = IXGBE_SUCCESS;
+ s32 ret_val = IXGBE_ERR_FC_NOT_NEGOTIATED;
ixgbe_link_speed speed;
- u32 pcs_anadv_reg, pcs_lpab_reg, linkstat;
- u32 links2, anlp1_reg, autoc_reg, links;
bool link_up;
DEBUGFUNC("ixgbe_fc_autoneg");
+ if (hw->fc.disable_fc_autoneg)
+ goto out;
+
/*
* AN should have completed when the cable was plugged in.
* Look for reasons to bail out. Bail out if:
@@ -1860,153 +2118,201 @@ s32 ixgbe_fc_autoneg(struct ixgbe_hw *hw)
* So use link_up_wait_to_complete=FALSE.
*/
hw->mac.ops.check_link(hw, &speed, &link_up, FALSE);
-
- if (hw->fc.disable_fc_autoneg || (!link_up)) {
- hw->fc.fc_was_autonegged = FALSE;
- hw->fc.current_mode = hw->fc.requested_mode;
+ if (!link_up) {
+ ret_val = IXGBE_ERR_FLOW_CONTROL;
goto out;
}
- /*
- * On backplane, bail out if
- * - backplane autoneg was not completed, or if
- * - we are 82599 and link partner is not AN enabled
- */
- if (hw->phy.media_type == ixgbe_media_type_backplane) {
- links = IXGBE_READ_REG(hw, IXGBE_LINKS);
- if ((links & IXGBE_LINKS_KX_AN_COMP) == 0) {
- hw->fc.fc_was_autonegged = FALSE;
- hw->fc.current_mode = hw->fc.requested_mode;
- goto out;
- }
+ switch (hw->phy.media_type) {
+ /* Autoneg flow control on fiber adapters */
+ case ixgbe_media_type_fiber:
+ if (speed == IXGBE_LINK_SPEED_1GB_FULL)
+ ret_val = ixgbe_fc_autoneg_fiber(hw);
+ break;
- if (hw->mac.type == ixgbe_mac_82599EB) {
- links2 = IXGBE_READ_REG(hw, IXGBE_LINKS2);
- if ((links2 & IXGBE_LINKS2_AN_SUPPORTED) == 0) {
- hw->fc.fc_was_autonegged = FALSE;
- hw->fc.current_mode = hw->fc.requested_mode;
- goto out;
- }
- }
+ /* Autoneg flow control on backplane adapters */
+ case ixgbe_media_type_backplane:
+ ret_val = ixgbe_fc_autoneg_backplane(hw);
+ break;
+
+ /* Autoneg flow control on copper adapters */
+ case ixgbe_media_type_copper:
+ if (ixgbe_device_supports_autoneg_fc(hw) == IXGBE_SUCCESS)
+ ret_val = ixgbe_fc_autoneg_copper(hw);
+ break;
+
+ default:
+ break;
}
+out:
+ if (ret_val == IXGBE_SUCCESS) {
+ hw->fc.fc_was_autonegged = TRUE;
+ } else {
+ hw->fc.fc_was_autonegged = FALSE;
+ hw->fc.current_mode = hw->fc.requested_mode;
+ }
+ return ret_val;
+}
+
+/**
+ * ixgbe_fc_autoneg_fiber - Enable flow control on 1 gig fiber
+ * @hw: pointer to hardware structure
+ * @speed:
+ * @link_up
+ *
+ * Enable flow control according on 1 gig fiber.
+ **/
+static s32 ixgbe_fc_autoneg_fiber(struct ixgbe_hw *hw)
+{
+ u32 pcs_anadv_reg, pcs_lpab_reg, linkstat;
+ s32 ret_val;
+
/*
* On multispeed fiber at 1g, bail out if
* - link is up but AN did not complete, or if
* - link is up and AN completed but timed out
*/
- if (hw->phy.multispeed_fiber && (speed == IXGBE_LINK_SPEED_1GB_FULL)) {
- linkstat = IXGBE_READ_REG(hw, IXGBE_PCS1GLSTA);
- if (((linkstat & IXGBE_PCS1GLSTA_AN_COMPLETE) == 0) ||
- ((linkstat & IXGBE_PCS1GLSTA_AN_TIMED_OUT) == 1)) {
- hw->fc.fc_was_autonegged = FALSE;
- hw->fc.current_mode = hw->fc.requested_mode;
- goto out;
- }
+
+ linkstat = IXGBE_READ_REG(hw, IXGBE_PCS1GLSTA);
+ if (((linkstat & IXGBE_PCS1GLSTA_AN_COMPLETE) == 0) ||
+ ((linkstat & IXGBE_PCS1GLSTA_AN_TIMED_OUT) == 1)) {
+ ret_val = IXGBE_ERR_FC_NOT_NEGOTIATED;
+ goto out;
}
+ pcs_anadv_reg = IXGBE_READ_REG(hw, IXGBE_PCS1GANA);
+ pcs_lpab_reg = IXGBE_READ_REG(hw, IXGBE_PCS1GANLP);
+
+ ret_val = ixgbe_negotiate_fc(hw, pcs_anadv_reg,
+ pcs_lpab_reg, IXGBE_PCS1GANA_SYM_PAUSE,
+ IXGBE_PCS1GANA_ASM_PAUSE,
+ IXGBE_PCS1GANA_SYM_PAUSE,
+ IXGBE_PCS1GANA_ASM_PAUSE);
+
+out:
+ return ret_val;
+}
+
+/**
+ * ixgbe_fc_autoneg_backplane - Enable flow control IEEE clause 37
+ * @hw: pointer to hardware structure
+ *
+ * Enable flow control according to IEEE clause 37.
+ **/
+static s32 ixgbe_fc_autoneg_backplane(struct ixgbe_hw *hw)
+{
+ u32 links2, anlp1_reg, autoc_reg, links;
+ s32 ret_val;
+
/*
- * Bail out on
- * - copper or CX4 adapters
- * - fiber adapters running at 10gig
+ * On backplane, bail out if
+ * - backplane autoneg was not completed, or if
+ * - we are 82599 and link partner is not AN enabled
*/
- if ((hw->phy.media_type == ixgbe_media_type_copper) ||
- (hw->phy.media_type == ixgbe_media_type_cx4) ||
- ((hw->phy.media_type == ixgbe_media_type_fiber) &&
- (speed == IXGBE_LINK_SPEED_10GB_FULL))) {
+ links = IXGBE_READ_REG(hw, IXGBE_LINKS);
+ if ((links & IXGBE_LINKS_KX_AN_COMP) == 0) {
hw->fc.fc_was_autonegged = FALSE;
hw->fc.current_mode = hw->fc.requested_mode;
+ ret_val = IXGBE_ERR_FC_NOT_NEGOTIATED;
goto out;
}
+ if (hw->mac.type == ixgbe_mac_82599EB) {
+ links2 = IXGBE_READ_REG(hw, IXGBE_LINKS2);
+ if ((links2 & IXGBE_LINKS2_AN_SUPPORTED) == 0) {
+ hw->fc.fc_was_autonegged = FALSE;
+ hw->fc.current_mode = hw->fc.requested_mode;
+ ret_val = IXGBE_ERR_FC_NOT_NEGOTIATED;
+ goto out;
+ }
+ }
/*
- * Read the AN advertisement and LP ability registers and resolve
+ * Read the 10g AN autoc and LP ability registers and resolve
* local flow control settings accordingly
*/
- if ((speed == IXGBE_LINK_SPEED_1GB_FULL) &&
- (hw->phy.media_type != ixgbe_media_type_backplane)) {
- pcs_anadv_reg = IXGBE_READ_REG(hw, IXGBE_PCS1GANA);
- pcs_lpab_reg = IXGBE_READ_REG(hw, IXGBE_PCS1GANLP);
- if ((pcs_anadv_reg & IXGBE_PCS1GANA_SYM_PAUSE) &&
- (pcs_lpab_reg & IXGBE_PCS1GANA_SYM_PAUSE)) {
- /*
- * 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
- * ONLY. Hence, we must now check to see if we need to
- * turn OFF the TRANSMISSION of PAUSE frames.
- */
- if (hw->fc.requested_mode == ixgbe_fc_full) {
- hw->fc.current_mode = ixgbe_fc_full;
- DEBUGOUT("Flow Control = FULL.\n");
- } else {
- hw->fc.current_mode = ixgbe_fc_rx_pause;
- DEBUGOUT("Flow Control=RX PAUSE frames only\n");
- }
- } else if (!(pcs_anadv_reg & IXGBE_PCS1GANA_SYM_PAUSE) &&
- (pcs_anadv_reg & IXGBE_PCS1GANA_ASM_PAUSE) &&
- (pcs_lpab_reg & IXGBE_PCS1GANA_SYM_PAUSE) &&
- (pcs_lpab_reg & IXGBE_PCS1GANA_ASM_PAUSE)) {
- hw->fc.current_mode = ixgbe_fc_tx_pause;
- DEBUGOUT("Flow Control = TX PAUSE frames only.\n");
- } else if ((pcs_anadv_reg & IXGBE_PCS1GANA_SYM_PAUSE) &&
- (pcs_anadv_reg & IXGBE_PCS1GANA_ASM_PAUSE) &&
- !(pcs_lpab_reg & IXGBE_PCS1GANA_SYM_PAUSE) &&
- (pcs_lpab_reg & IXGBE_PCS1GANA_ASM_PAUSE)) {
- hw->fc.current_mode = ixgbe_fc_rx_pause;
- DEBUGOUT("Flow Control = RX PAUSE frames only.\n");
- } else {
- hw->fc.current_mode = ixgbe_fc_none;
- DEBUGOUT("Flow Control = NONE.\n");
- }
- }
+ autoc_reg = IXGBE_READ_REG(hw, IXGBE_AUTOC);
+ anlp1_reg = IXGBE_READ_REG(hw, IXGBE_ANLP1);
- if (hw->phy.media_type == ixgbe_media_type_backplane) {
+ ret_val = ixgbe_negotiate_fc(hw, autoc_reg,
+ anlp1_reg, IXGBE_AUTOC_SYM_PAUSE, IXGBE_AUTOC_ASM_PAUSE,
+ IXGBE_ANLP1_SYM_PAUSE, IXGBE_ANLP1_ASM_PAUSE);
+
+out:
+ return ret_val;
+}
+
+/**
+ * ixgbe_fc_autoneg_copper - Enable flow control IEEE clause 37
+ * @hw: pointer to hardware structure
+ *
+ * Enable flow control according to IEEE clause 37.
+ **/
+static s32 ixgbe_fc_autoneg_copper(struct ixgbe_hw *hw)
+{
+ u16 technology_ability_reg = 0;
+ u16 lp_technology_ability_reg = 0;
+
+ hw->phy.ops.read_reg(hw, IXGBE_MDIO_AUTO_NEG_ADVT,
+ IXGBE_MDIO_AUTO_NEG_DEV_TYPE,
+ &technology_ability_reg);
+ hw->phy.ops.read_reg(hw, IXGBE_MDIO_AUTO_NEG_LP,
+ IXGBE_MDIO_AUTO_NEG_DEV_TYPE,
+ &lp_technology_ability_reg);
+
+ return ixgbe_negotiate_fc(hw, (u32)technology_ability_reg,
+ (u32)lp_technology_ability_reg,
+ IXGBE_TAF_SYM_PAUSE, IXGBE_TAF_ASM_PAUSE,
+ IXGBE_TAF_SYM_PAUSE, IXGBE_TAF_ASM_PAUSE);
+}
+
+/**
+ * ixgbe_negotiate_fc - Negotiate flow control
+ * @hw: pointer to hardware structure
+ * @adv_reg: flow control advertised settings
+ * @lp_reg: link partner's flow control settings
+ * @adv_sym: symmetric pause bit in advertisement
+ * @adv_asm: asymmetric pause bit in advertisement
+ * @lp_sym: symmetric pause bit in link partner advertisement
+ * @lp_asm: asymmetric pause bit in link partner advertisement
+ *
+ * Find the intersection between advertised settings and link partner's
+ * advertised settings
+ **/
+static s32 ixgbe_negotiate_fc(struct ixgbe_hw *hw, u32 adv_reg, u32 lp_reg,
+ u32 adv_sym, u32 adv_asm, u32 lp_sym, u32 lp_asm)
+{
+ if ((!(adv_reg)) || (!(lp_reg)))
+ return IXGBE_ERR_FC_NOT_NEGOTIATED;
+
+ if ((adv_reg & adv_sym) && (lp_reg & lp_sym)) {
/*
- * Read the 10g AN autoc and LP ability registers and resolve
- * local flow control settings accordingly
+ * 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
+ * ONLY. Hence, we must now check to see if we need to
+ * turn OFF the TRANSMISSION of PAUSE frames.
*/
- autoc_reg = IXGBE_READ_REG(hw, IXGBE_AUTOC);
- anlp1_reg = IXGBE_READ_REG(hw, IXGBE_ANLP1);
-
- if ((autoc_reg & IXGBE_AUTOC_SYM_PAUSE) &&
- (anlp1_reg & IXGBE_ANLP1_SYM_PAUSE)) {
- /*
- * 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
- * ONLY. Hence, we must now check to see if we need to
- * turn OFF the TRANSMISSION of PAUSE frames.
- */
- if (hw->fc.requested_mode == ixgbe_fc_full) {
- hw->fc.current_mode = ixgbe_fc_full;
- DEBUGOUT("Flow Control = FULL.\n");
- } else {
- hw->fc.current_mode = ixgbe_fc_rx_pause;
- DEBUGOUT("Flow Control=RX PAUSE frames only\n");
- }
- } else if (!(autoc_reg & IXGBE_AUTOC_SYM_PAUSE) &&
- (autoc_reg & IXGBE_AUTOC_ASM_PAUSE) &&
- (anlp1_reg & IXGBE_ANLP1_SYM_PAUSE) &&
- (anlp1_reg & IXGBE_ANLP1_ASM_PAUSE)) {
- hw->fc.current_mode = ixgbe_fc_tx_pause;
- DEBUGOUT("Flow Control = TX PAUSE frames only.\n");
- } else if ((autoc_reg & IXGBE_AUTOC_SYM_PAUSE) &&
- (autoc_reg & IXGBE_AUTOC_ASM_PAUSE) &&
- !(anlp1_reg & IXGBE_ANLP1_SYM_PAUSE) &&
- (anlp1_reg & IXGBE_ANLP1_ASM_PAUSE)) {
- hw->fc.current_mode = ixgbe_fc_rx_pause;
- DEBUGOUT("Flow Control = RX PAUSE frames only.\n");
+ if (hw->fc.requested_mode == ixgbe_fc_full) {
+ hw->fc.current_mode = ixgbe_fc_full;
+ DEBUGOUT("Flow Control = FULL.\n");
} else {
- hw->fc.current_mode = ixgbe_fc_none;
- DEBUGOUT("Flow Control = NONE.\n");
+ hw->fc.current_mode = ixgbe_fc_rx_pause;
+ DEBUGOUT("Flow Control=RX PAUSE frames only\n");
}
+ } else if (!(adv_reg & adv_sym) && (adv_reg & adv_asm) &&
+ (lp_reg & lp_sym) && (lp_reg & lp_asm)) {
+ hw->fc.current_mode = ixgbe_fc_tx_pause;
+ DEBUGOUT("Flow Control = TX PAUSE frames only.\n");
+ } else if ((adv_reg & adv_sym) && (adv_reg & adv_asm) &&
+ !(lp_reg & lp_sym) && (lp_reg & lp_asm)) {
+ hw->fc.current_mode = ixgbe_fc_rx_pause;
+ DEBUGOUT("Flow Control = RX PAUSE frames only.\n");
+ } else {
+ hw->fc.current_mode = ixgbe_fc_none;
+ DEBUGOUT("Flow Control = NONE.\n");
}
- /* Record that current_mode is the result of a successful autoneg */
- hw->fc.fc_was_autonegged = TRUE;
-
-out:
- return ret_val;
+ return IXGBE_SUCCESS;
}
/**
@@ -2018,11 +2324,11 @@ out:
s32 ixgbe_setup_fc(struct ixgbe_hw *hw, s32 packetbuf_num)
{
s32 ret_val = IXGBE_SUCCESS;
- u32 reg;
+ u32 reg = 0, reg_bp = 0;
+ u16 reg_cu = 0;
DEBUGFUNC("ixgbe_setup_fc");
-
/* Validate the packetbuf configuration */
if (packetbuf_num < 0 || packetbuf_num > 7) {
DEBUGOUT1("Invalid packet buffer number [%d], expected range is"
@@ -2059,11 +2365,26 @@ s32 ixgbe_setup_fc(struct ixgbe_hw *hw, s32 packetbuf_num)
hw->fc.requested_mode = ixgbe_fc_full;
/*
- * Set up the 1G flow control advertisement registers so the HW will be
- * able to do fc autoneg once the cable is plugged in. If we end up
- * using 10g instead, this is harmless.
+ * Set up the 1G and 10G flow control advertisement registers so the
+ * HW will be able to do fc autoneg once the cable is plugged in. If
+ * we link at 10G, the 1G advertisement is harmless and vice versa.
*/
- reg = IXGBE_READ_REG(hw, IXGBE_PCS1GANA);
+
+ switch (hw->phy.media_type) {
+ case ixgbe_media_type_fiber:
+ case ixgbe_media_type_backplane:
+ reg = IXGBE_READ_REG(hw, IXGBE_PCS1GANA);
+ reg_bp = IXGBE_READ_REG(hw, IXGBE_AUTOC);
+ break;
+
+ case ixgbe_media_type_copper:
+ hw->phy.ops.read_reg(hw, IXGBE_MDIO_AUTO_NEG_ADVT,
+ IXGBE_MDIO_AUTO_NEG_DEV_TYPE, &reg_cu);
+ break;
+
+ default:
+ ;
+ }
/*
* The possible values of fc.requested_mode are:
@@ -2079,6 +2400,11 @@ s32 ixgbe_setup_fc(struct ixgbe_hw *hw, s32 packetbuf_num)
case ixgbe_fc_none:
/* Flow control completely disabled by software override. */
reg &= ~(IXGBE_PCS1GANA_SYM_PAUSE | IXGBE_PCS1GANA_ASM_PAUSE);
+ if (hw->phy.media_type == ixgbe_media_type_backplane)
+ reg_bp &= ~(IXGBE_AUTOC_SYM_PAUSE |
+ IXGBE_AUTOC_ASM_PAUSE);
+ else if (hw->phy.media_type == ixgbe_media_type_copper)
+ reg_cu &= ~(IXGBE_TAF_SYM_PAUSE | IXGBE_TAF_ASM_PAUSE);
break;
case ixgbe_fc_rx_pause:
/*
@@ -2090,6 +2416,11 @@ s32 ixgbe_setup_fc(struct ixgbe_hw *hw, s32 packetbuf_num)
* disable the adapter's ability to send PAUSE frames.
*/
reg |= (IXGBE_PCS1GANA_SYM_PAUSE | IXGBE_PCS1GANA_ASM_PAUSE);
+ if (hw->phy.media_type == ixgbe_media_type_backplane)
+ reg_bp |= (IXGBE_AUTOC_SYM_PAUSE |
+ IXGBE_AUTOC_ASM_PAUSE);
+ else if (hw->phy.media_type == ixgbe_media_type_copper)
+ reg_cu |= (IXGBE_TAF_SYM_PAUSE | IXGBE_TAF_ASM_PAUSE);
break;
case ixgbe_fc_tx_pause:
/*
@@ -2098,10 +2429,22 @@ s32 ixgbe_setup_fc(struct ixgbe_hw *hw, s32 packetbuf_num)
*/
reg |= (IXGBE_PCS1GANA_ASM_PAUSE);
reg &= ~(IXGBE_PCS1GANA_SYM_PAUSE);
+ if (hw->phy.media_type == ixgbe_media_type_backplane) {
+ reg_bp |= (IXGBE_AUTOC_ASM_PAUSE);
+ reg_bp &= ~(IXGBE_AUTOC_SYM_PAUSE);
+ } else if (hw->phy.media_type == ixgbe_media_type_copper) {
+ reg_cu |= (IXGBE_TAF_ASM_PAUSE);
+ reg_cu &= ~(IXGBE_TAF_SYM_PAUSE);
+ }
break;
case ixgbe_fc_full:
/* Flow control (both Rx and Tx) is enabled by SW override. */
reg |= (IXGBE_PCS1GANA_SYM_PAUSE | IXGBE_PCS1GANA_ASM_PAUSE);
+ if (hw->phy.media_type == ixgbe_media_type_backplane)
+ reg_bp |= (IXGBE_AUTOC_SYM_PAUSE |
+ IXGBE_AUTOC_ASM_PAUSE);
+ else if (hw->phy.media_type == ixgbe_media_type_copper)
+ reg_cu |= (IXGBE_TAF_SYM_PAUSE | IXGBE_TAF_ASM_PAUSE);
break;
default:
DEBUGOUT("Flow control param set incorrectly\n");
@@ -2110,6 +2453,10 @@ s32 ixgbe_setup_fc(struct ixgbe_hw *hw, s32 packetbuf_num)
break;
}
+ /*
+ * Enable auto-negotiation between the MAC & PHY;
+ * the MAC will advertise clause 37 flow control.
+ */
IXGBE_WRITE_REG(hw, IXGBE_PCS1GANA, reg);
reg = IXGBE_READ_REG(hw, IXGBE_PCS1GLCTL);
@@ -2121,64 +2468,20 @@ s32 ixgbe_setup_fc(struct ixgbe_hw *hw, s32 packetbuf_num)
DEBUGOUT1("Set up FC; PCS1GLCTL = 0x%08X\n", reg);
/*
- * Set up the 10G flow control advertisement registers so the HW
- * can do fc autoneg once the cable is plugged in. If we end up
- * using 1g instead, this is harmless.
- */
- reg = IXGBE_READ_REG(hw, IXGBE_AUTOC);
-
- /*
- * The possible values of fc.requested_mode are:
- * 0: Flow control is completely disabled
- * 1: Rx flow control is enabled (we can receive pause frames,
- * 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.
- * other: Invalid.
+ * AUTOC restart handles negotiation of 1G and 10G on backplane
+ * and copper. There is no need to set the PCS1GCTL register.
+ *
*/
- switch (hw->fc.requested_mode) {
- case ixgbe_fc_none:
- /* Flow control completely disabled by software override. */
- reg &= ~(IXGBE_AUTOC_SYM_PAUSE | IXGBE_AUTOC_ASM_PAUSE);
- break;
- case ixgbe_fc_rx_pause:
- /*
- * Rx Flow control is enabled and Tx Flow control is
- * disabled by software override. 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, we will
- * disable the adapter's ability to send PAUSE frames.
- */
- reg |= (IXGBE_AUTOC_SYM_PAUSE | IXGBE_AUTOC_ASM_PAUSE);
- break;
- case ixgbe_fc_tx_pause:
- /*
- * Tx Flow control is enabled, and Rx Flow control is
- * disabled by software override.
- */
- reg |= (IXGBE_AUTOC_ASM_PAUSE);
- reg &= ~(IXGBE_AUTOC_SYM_PAUSE);
- break;
- case ixgbe_fc_full:
- /* Flow control (both Rx and Tx) is enabled by SW override. */
- reg |= (IXGBE_AUTOC_SYM_PAUSE | IXGBE_AUTOC_ASM_PAUSE);
- break;
- default:
- DEBUGOUT("Flow control param set incorrectly\n");
- ret_val = IXGBE_ERR_CONFIG;
- goto out;
- break;
+ if (hw->phy.media_type == ixgbe_media_type_backplane) {
+ reg_bp |= IXGBE_AUTOC_AN_RESTART;
+ IXGBE_WRITE_REG(hw, IXGBE_AUTOC, reg_bp);
+ } else if ((hw->phy.media_type == ixgbe_media_type_copper) &&
+ (ixgbe_device_supports_autoneg_fc(hw) == IXGBE_SUCCESS)) {
+ hw->phy.ops.write_reg(hw, IXGBE_MDIO_AUTO_NEG_ADVT,
+ IXGBE_MDIO_AUTO_NEG_DEV_TYPE, reg_cu);
}
- /*
- * AUTOC restart handles negotiation of 1G and 10G. There is
- * no need to set the PCS1GCTL register.
- */
- reg |= IXGBE_AUTOC_AN_RESTART;
- IXGBE_WRITE_REG(hw, IXGBE_AUTOC, reg);
- DEBUGOUT1("Set up FC; IXGBE_AUTOC = 0x%08X\n", reg);
+ DEBUGOUT1("Set up FC; IXGBE_AUTOC = 0x%08X\n", reg);
out:
return ret_val;
}
@@ -2371,7 +2674,6 @@ s32 ixgbe_blink_led_start_generic(struct ixgbe_hw *hw, u32 index)
hw->mac.ops.check_link(hw, &speed, &link_up, FALSE);
if (!link_up) {
-
autoc_reg |= IXGBE_AUTOC_AN_RESTART;
autoc_reg |= IXGBE_AUTOC_FLU;
IXGBE_WRITE_REG(hw, IXGBE_AUTOC, autoc_reg);
@@ -2632,37 +2934,38 @@ s32 ixgbe_clear_vmdq_generic(struct ixgbe_hw *hw, u32 rar, u32 vmdq)
DEBUGFUNC("ixgbe_clear_vmdq_generic");
- if (rar < rar_entries) {
- mpsar_lo = IXGBE_READ_REG(hw, IXGBE_MPSAR_LO(rar));
- mpsar_hi = IXGBE_READ_REG(hw, IXGBE_MPSAR_HI(rar));
+ /* Make sure we are using a valid rar index range */
+ if (rar >= rar_entries) {
+ DEBUGOUT1("RAR index %d is out of range.\n", rar);
+ return IXGBE_ERR_INVALID_ARGUMENT;
+ }
- if (!mpsar_lo && !mpsar_hi)
- goto done;
+ mpsar_lo = IXGBE_READ_REG(hw, IXGBE_MPSAR_LO(rar));
+ mpsar_hi = IXGBE_READ_REG(hw, IXGBE_MPSAR_HI(rar));
- if (vmdq == IXGBE_CLEAR_VMDQ_ALL) {
- if (mpsar_lo) {
- IXGBE_WRITE_REG(hw, IXGBE_MPSAR_LO(rar), 0);
- mpsar_lo = 0;
- }
- if (mpsar_hi) {
- IXGBE_WRITE_REG(hw, IXGBE_MPSAR_HI(rar), 0);
- mpsar_hi = 0;
- }
- } else if (vmdq < 32) {
- mpsar_lo &= ~(1 << vmdq);
- IXGBE_WRITE_REG(hw, IXGBE_MPSAR_LO(rar), mpsar_lo);
- } else {
- mpsar_hi &= ~(1 << (vmdq - 32));
- IXGBE_WRITE_REG(hw, IXGBE_MPSAR_HI(rar), mpsar_hi);
- }
+ if (!mpsar_lo && !mpsar_hi)
+ goto done;
- /* was that the last pool using this rar? */
- if (mpsar_lo == 0 && mpsar_hi == 0 && rar != 0)
- hw->mac.ops.clear_rar(hw, rar);
+ if (vmdq == IXGBE_CLEAR_VMDQ_ALL) {
+ if (mpsar_lo) {
+ IXGBE_WRITE_REG(hw, IXGBE_MPSAR_LO(rar), 0);
+ mpsar_lo = 0;
+ }
+ if (mpsar_hi) {
+ IXGBE_WRITE_REG(hw, IXGBE_MPSAR_HI(rar), 0);
+ mpsar_hi = 0;
+ }
+ } else if (vmdq < 32) {
+ mpsar_lo &= ~(1 << vmdq);
+ IXGBE_WRITE_REG(hw, IXGBE_MPSAR_LO(rar), mpsar_lo);
} else {
- DEBUGOUT1("RAR index %d is out of range.\n", rar);
+ mpsar_hi &= ~(1 << (vmdq - 32));
+ IXGBE_WRITE_REG(hw, IXGBE_MPSAR_HI(rar), mpsar_hi);
}
+ /* was that the last pool using this rar? */
+ if (mpsar_lo == 0 && mpsar_hi == 0 && rar != 0)
+ hw->mac.ops.clear_rar(hw, rar);
done:
return IXGBE_SUCCESS;
}
@@ -2680,18 +2983,20 @@ s32 ixgbe_set_vmdq_generic(struct ixgbe_hw *hw, u32 rar, u32 vmdq)
DEBUGFUNC("ixgbe_set_vmdq_generic");
- if (rar < rar_entries) {
- if (vmdq < 32) {
- mpsar = IXGBE_READ_REG(hw, IXGBE_MPSAR_LO(rar));
- mpsar |= 1 << vmdq;
- IXGBE_WRITE_REG(hw, IXGBE_MPSAR_LO(rar), mpsar);
- } else {
- mpsar = IXGBE_READ_REG(hw, IXGBE_MPSAR_HI(rar));
- mpsar |= 1 << (vmdq - 32);
- IXGBE_WRITE_REG(hw, IXGBE_MPSAR_HI(rar), mpsar);
- }
- } else {
+ /* Make sure we are using a valid rar index range */
+ if (rar >= rar_entries) {
DEBUGOUT1("RAR index %d is out of range.\n", rar);
+ return IXGBE_ERR_INVALID_ARGUMENT;
+ }
+
+ if (vmdq < 32) {
+ mpsar = IXGBE_READ_REG(hw, IXGBE_MPSAR_LO(rar));
+ mpsar |= 1 << vmdq;
+ IXGBE_WRITE_REG(hw, IXGBE_MPSAR_LO(rar), mpsar);
+ } else {
+ mpsar = IXGBE_READ_REG(hw, IXGBE_MPSAR_HI(rar));
+ mpsar |= 1 << (vmdq - 32);
+ IXGBE_WRITE_REG(hw, IXGBE_MPSAR_HI(rar), mpsar);
}
return IXGBE_SUCCESS;
}
@@ -2980,8 +3285,11 @@ s32 ixgbe_check_mac_link_generic(struct ixgbe_hw *hw, ixgbe_link_speed *speed,
else if ((links_reg & IXGBE_LINKS_SPEED_82599) ==
IXGBE_LINKS_SPEED_1G_82599)
*speed = IXGBE_LINK_SPEED_1GB_FULL;
- else
+ else if ((links_reg & IXGBE_LINKS_SPEED_82599) ==
+ IXGBE_LINKS_SPEED_100_82599)
*speed = IXGBE_LINK_SPEED_100_FULL;
+ else
+ *speed = IXGBE_LINK_SPEED_UNKNOWN;
/* if link is down, zero out the current_mode */
if (*link_up == FALSE) {
@@ -3038,3 +3346,138 @@ s32 ixgbe_get_wwn_prefix_generic(struct ixgbe_hw *hw, u16 *wwnn_prefix,
wwn_prefix_out:
return IXGBE_SUCCESS;
}
+
+/**
+ * ixgbe_get_fcoe_boot_status_generic - Get FCOE boot status from EEPROM
+ * @hw: pointer to hardware structure
+ * @bs: the fcoe boot status
+ *
+ * This function will read the FCOE boot status from the iSCSI FCOE block
+ **/
+s32 ixgbe_get_fcoe_boot_status_generic(struct ixgbe_hw *hw, u16 *bs)
+{
+ u16 offset, caps, flags;
+ s32 status;
+
+ DEBUGFUNC("ixgbe_get_fcoe_boot_status_generic");
+
+ /* clear output first */
+ *bs = ixgbe_fcoe_bootstatus_unavailable;
+
+ /* check if FCOE IBA block is present */
+ offset = IXGBE_FCOE_IBA_CAPS_BLK_PTR;
+ status = hw->eeprom.ops.read(hw, offset, &caps);
+ if (status != IXGBE_SUCCESS)
+ goto out;
+
+ if (!(caps & IXGBE_FCOE_IBA_CAPS_FCOE))
+ goto out;
+
+ /* check if iSCSI FCOE block is populated */
+ status = hw->eeprom.ops.read(hw, IXGBE_ISCSI_FCOE_BLK_PTR, &offset);
+ if (status != IXGBE_SUCCESS)
+ goto out;
+
+ if ((offset == 0) || (offset == 0xFFFF))
+ goto out;
+
+ /* read fcoe flags in iSCSI FCOE block */
+ offset = offset + IXGBE_ISCSI_FCOE_FLAGS_OFFSET;
+ status = hw->eeprom.ops.read(hw, offset, &flags);
+ if (status != IXGBE_SUCCESS)
+ goto out;
+
+ if (flags & IXGBE_ISCSI_FCOE_FLAGS_ENABLE)
+ *bs = ixgbe_fcoe_bootstatus_enabled;
+ else
+ *bs = ixgbe_fcoe_bootstatus_disabled;
+
+out:
+ return status;
+}
+
+/**
+ * ixgbe_device_supports_autoneg_fc - Check if phy supports autoneg flow
+ * control
+ * @hw: pointer to hardware structure
+ *
+ * There are several phys that do not support autoneg flow control. This
+ * function check the device id to see if the associated phy supports
+ * autoneg flow control.
+ **/
+static s32 ixgbe_device_supports_autoneg_fc(struct ixgbe_hw *hw)
+{
+
+ DEBUGFUNC("ixgbe_device_supports_autoneg_fc");
+
+ switch (hw->device_id) {
+ case IXGBE_DEV_ID_82599_T3_LOM:
+ return IXGBE_SUCCESS;
+ default:
+ return IXGBE_ERR_FC_NOT_SUPPORTED;
+ }
+}
+
+/**
+ * ixgbe_set_mac_anti_spoofing - Enable/Disable MAC anti-spoofing
+ * @hw: pointer to hardware structure
+ * @enable: enable or disable switch for anti-spoofing
+ * @pf: Physical Function pool - do not enable anti-spoofing for the PF
+ *
+ **/
+void ixgbe_set_mac_anti_spoofing(struct ixgbe_hw *hw, bool enable, int pf)
+{
+ int j;
+ int pf_target_reg = pf >> 3;
+ int pf_target_shift = pf % 8;
+ u32 pfvfspoof = 0;
+
+ if (hw->mac.type == ixgbe_mac_82598EB)
+ return;
+
+ if (enable)
+ pfvfspoof = IXGBE_SPOOF_MACAS_MASK;
+
+ /*
+ * PFVFSPOOF register array is size 8 with 8 bits assigned to
+ * MAC anti-spoof enables in each register array element.
+ */
+ for (j = 0; j < IXGBE_PFVFSPOOF_REG_COUNT; j++)
+ IXGBE_WRITE_REG(hw, IXGBE_PFVFSPOOF(j), pfvfspoof);
+
+ /* If not enabling anti-spoofing then done */
+ if (!enable)
+ return;
+
+ /*
+ * The PF should be allowed to spoof so that it can support
+ * emulation mode NICs. Reset the bit assigned to the PF
+ */
+ pfvfspoof = IXGBE_READ_REG(hw, IXGBE_PFVFSPOOF(pf_target_reg));
+ pfvfspoof ^= (1 << pf_target_shift);
+ IXGBE_WRITE_REG(hw, IXGBE_PFVFSPOOF(pf_target_reg), pfvfspoof);
+}
+
+/**
+ * ixgbe_set_vlan_anti_spoofing - Enable/Disable VLAN anti-spoofing
+ * @hw: pointer to hardware structure
+ * @enable: enable or disable switch for VLAN anti-spoofing
+ * @pf: Virtual Function pool - VF Pool to set for VLAN anti-spoofing
+ *
+ **/
+void ixgbe_set_vlan_anti_spoofing(struct ixgbe_hw *hw, bool enable, int vf)
+{
+ int vf_target_reg = vf >> 3;
+ int vf_target_shift = vf % 8 + IXGBE_SPOOF_VLANAS_SHIFT;
+ u32 pfvfspoof;
+
+ if (hw->mac.type == ixgbe_mac_82598EB)
+ return;
+
+ pfvfspoof = IXGBE_READ_REG(hw, IXGBE_PFVFSPOOF(vf_target_reg));
+ if (enable)
+ pfvfspoof |= (1 << vf_target_shift);
+ else
+ pfvfspoof &= ~(1 << vf_target_shift);
+ IXGBE_WRITE_REG(hw, IXGBE_PFVFSPOOF(vf_target_reg), pfvfspoof);
+}
OpenPOWER on IntegriCloud