*/
#include "txgbe_type.h"
+#include "txgbe_mbx.h"
#include "txgbe_phy.h"
+#include "txgbe_dcb.h"
#include "txgbe_eeprom.h"
#include "txgbe_mng.h"
#include "txgbe_hw.h"
#define TXGBE_RAPTOR_MAX_RX_QUEUES 128
#define TXGBE_RAPTOR_RAR_ENTRIES 128
#define TXGBE_RAPTOR_MC_TBL_SIZE 128
+#define TXGBE_RAPTOR_VFT_TBL_SIZE 128
+#define TXGBE_RAPTOR_RX_PB_SIZE 512 /*KB*/
static s32 txgbe_setup_copper_link_raptor(struct txgbe_hw *hw,
u32 speed,
static s32 txgbe_get_san_mac_addr_offset(struct txgbe_hw *hw,
u16 *san_mac_offset);
+/**
+ * txgbe_device_supports_autoneg_fc - Check if device supports autonegotiation
+ * of flow control
+ * @hw: pointer to hardware structure
+ *
+ * This function returns true if the device supports flow control
+ * autonegotiation, and false if it does not.
+ *
+ **/
+bool txgbe_device_supports_autoneg_fc(struct txgbe_hw *hw)
+{
+ bool supported = false;
+ u32 speed;
+ bool link_up;
+
+ DEBUGFUNC("txgbe_device_supports_autoneg_fc");
+
+ switch (hw->phy.media_type) {
+ case txgbe_media_type_fiber_qsfp:
+ case txgbe_media_type_fiber:
+ hw->mac.check_link(hw, &speed, &link_up, false);
+ /* if link is down, assume supported */
+ if (link_up)
+ supported = speed == TXGBE_LINK_SPEED_1GB_FULL ?
+ true : false;
+ else
+ supported = true;
+
+ break;
+ case txgbe_media_type_backplane:
+ supported = true;
+ break;
+ case txgbe_media_type_copper:
+ /* only some copper devices support flow control autoneg */
+ switch (hw->device_id) {
+ case TXGBE_DEV_ID_RAPTOR_XAUI:
+ case TXGBE_DEV_ID_RAPTOR_SGMII:
+ supported = true;
+ break;
+ default:
+ supported = false;
+ }
+ default:
+ break;
+ }
+
+ if (!supported)
+ DEBUGOUT("Device %x does not support flow control autoneg",
+ hw->device_id);
+ return supported;
+}
+
+/**
+ * txgbe_setup_fc - Set up flow control
+ * @hw: pointer to hardware structure
+ *
+ * Called at init time to set up flow control.
+ **/
+s32 txgbe_setup_fc(struct txgbe_hw *hw)
+{
+ s32 err = 0;
+ u32 reg = 0;
+ u16 reg_cu = 0;
+ u32 value = 0;
+ u64 reg_bp = 0;
+ bool locked = false;
+
+ DEBUGFUNC("txgbe_setup_fc");
+
+ /* Validate the requested mode */
+ if (hw->fc.strict_ieee && hw->fc.requested_mode == txgbe_fc_rx_pause) {
+ DEBUGOUT("txgbe_fc_rx_pause not valid in strict IEEE mode\n");
+ err = TXGBE_ERR_INVALID_LINK_SETTINGS;
+ goto out;
+ }
+
+ /*
+ * 10gig parts do not have a word in the EEPROM to determine the
+ * default flow control setting, so we explicitly set it to full.
+ */
+ if (hw->fc.requested_mode == txgbe_fc_default)
+ hw->fc.requested_mode = txgbe_fc_full;
+
+ /*
+ * 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.
+ */
+ switch (hw->phy.media_type) {
+ case txgbe_media_type_backplane:
+ /* some MAC's need RMW protection on AUTOC */
+ err = hw->mac.prot_autoc_read(hw, &locked, ®_bp);
+ if (err != 0)
+ goto out;
+
+ /* fall through - only backplane uses autoc */
+ case txgbe_media_type_fiber_qsfp:
+ case txgbe_media_type_fiber:
+ case txgbe_media_type_copper:
+ hw->phy.read_reg(hw, TXGBE_MD_AUTO_NEG_ADVT,
+ TXGBE_MD_DEV_AUTO_NEG, ®_cu);
+ break;
+ default:
+ break;
+ }
+
+ /*
+ * 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.
+ */
+ switch (hw->fc.requested_mode) {
+ case txgbe_fc_none:
+ /* Flow control completely disabled by software override. */
+ reg &= ~(SR_MII_MMD_AN_ADV_PAUSE_SYM |
+ SR_MII_MMD_AN_ADV_PAUSE_ASM);
+ if (hw->phy.media_type == txgbe_media_type_backplane)
+ reg_bp &= ~(TXGBE_AUTOC_SYM_PAUSE |
+ TXGBE_AUTOC_ASM_PAUSE);
+ else if (hw->phy.media_type == txgbe_media_type_copper)
+ reg_cu &= ~(TXGBE_TAF_SYM_PAUSE | TXGBE_TAF_ASM_PAUSE);
+ break;
+ case txgbe_fc_tx_pause:
+ /*
+ * Tx Flow control is enabled, and Rx Flow control is
+ * disabled by software override.
+ */
+ reg |= SR_MII_MMD_AN_ADV_PAUSE_ASM;
+ reg &= ~SR_MII_MMD_AN_ADV_PAUSE_SYM;
+ if (hw->phy.media_type == txgbe_media_type_backplane) {
+ reg_bp |= TXGBE_AUTOC_ASM_PAUSE;
+ reg_bp &= ~TXGBE_AUTOC_SYM_PAUSE;
+ } else if (hw->phy.media_type == txgbe_media_type_copper) {
+ reg_cu |= TXGBE_TAF_ASM_PAUSE;
+ reg_cu &= ~TXGBE_TAF_SYM_PAUSE;
+ }
+ reg |= SR_MII_MMD_AN_ADV_PAUSE_ASM;
+ reg_bp |= SR_AN_MMD_ADV_REG1_PAUSE_ASM;
+ break;
+ case txgbe_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, as such we fall
+ * through to the fc_full statement. Later, we will
+ * disable the adapter's ability to send PAUSE frames.
+ */
+ case txgbe_fc_full:
+ /* Flow control (both Rx and Tx) is enabled by SW override. */
+ reg |= SR_MII_MMD_AN_ADV_PAUSE_SYM |
+ SR_MII_MMD_AN_ADV_PAUSE_ASM;
+ if (hw->phy.media_type == txgbe_media_type_backplane)
+ reg_bp |= TXGBE_AUTOC_SYM_PAUSE |
+ TXGBE_AUTOC_ASM_PAUSE;
+ else if (hw->phy.media_type == txgbe_media_type_copper)
+ reg_cu |= TXGBE_TAF_SYM_PAUSE | TXGBE_TAF_ASM_PAUSE;
+ reg |= SR_MII_MMD_AN_ADV_PAUSE_SYM |
+ SR_MII_MMD_AN_ADV_PAUSE_ASM;
+ reg_bp |= SR_AN_MMD_ADV_REG1_PAUSE_SYM |
+ SR_AN_MMD_ADV_REG1_PAUSE_ASM;
+ break;
+ default:
+ DEBUGOUT("Flow control param set incorrectly\n");
+ err = TXGBE_ERR_CONFIG;
+ goto out;
+ }
+
+ /*
+ * Enable auto-negotiation between the MAC & PHY;
+ * the MAC will advertise clause 37 flow control.
+ */
+ value = rd32_epcs(hw, SR_MII_MMD_AN_ADV);
+ value = (value & ~(SR_MII_MMD_AN_ADV_PAUSE_ASM |
+ SR_MII_MMD_AN_ADV_PAUSE_SYM)) | reg;
+ wr32_epcs(hw, SR_MII_MMD_AN_ADV, value);
+
+ /*
+ * AUTOC restart handles negotiation of 1G and 10G on backplane
+ * and copper. There is no need to set the PCS1GCTL register.
+ *
+ */
+ if (hw->phy.media_type == txgbe_media_type_backplane) {
+ value = rd32_epcs(hw, SR_AN_MMD_ADV_REG1);
+ value = (value & ~(SR_AN_MMD_ADV_REG1_PAUSE_ASM |
+ SR_AN_MMD_ADV_REG1_PAUSE_SYM)) |
+ reg_bp;
+ wr32_epcs(hw, SR_AN_MMD_ADV_REG1, value);
+ } else if ((hw->phy.media_type == txgbe_media_type_copper) &&
+ (txgbe_device_supports_autoneg_fc(hw))) {
+ hw->phy.write_reg(hw, TXGBE_MD_AUTO_NEG_ADVT,
+ TXGBE_MD_DEV_AUTO_NEG, reg_cu);
+ }
+
+ DEBUGOUT("Set up FC; reg = 0x%08X\n", reg);
+out:
+ return err;
+}
+
/**
* txgbe_start_hw - Prepare hardware for Tx/Rx
* @hw: pointer to hardware structure
**/
s32 txgbe_start_hw(struct txgbe_hw *hw)
{
+ s32 err;
u16 device_caps;
DEBUGFUNC("txgbe_start_hw");
/* Set the media type */
hw->phy.media_type = hw->phy.get_media_type(hw);
+ /* Clear the VLAN filter table */
+ hw->mac.clear_vfta(hw);
+
/* Clear statistics registers */
hw->mac.clear_hw_cntrs(hw);
+ /* Setup flow control */
+ err = txgbe_setup_fc(hw);
+ if (err != 0 && err != TXGBE_NOT_IMPLEMENTED) {
+ DEBUGOUT("Flow control setup failed, returning %d\n", err);
+ return err;
+ }
+
/* Cache bit indicating need for crosstalk fix */
switch (hw->mac.type) {
case txgbe_mac_raptor:
return 0;
}
+/**
+ * txgbe_led_on - Turns on the software controllable LEDs.
+ * @hw: pointer to hardware structure
+ * @index: led number to turn on
+ **/
+s32 txgbe_led_on(struct txgbe_hw *hw, u32 index)
+{
+ u32 led_reg = rd32(hw, TXGBE_LEDCTL);
+
+ DEBUGFUNC("txgbe_led_on");
+
+ if (index > 4)
+ return TXGBE_ERR_PARAM;
+
+ /* To turn on the LED, set mode to ON. */
+ led_reg |= TXGBE_LEDCTL_SEL(index);
+ led_reg |= TXGBE_LEDCTL_ORD(index);
+ wr32(hw, TXGBE_LEDCTL, led_reg);
+ txgbe_flush(hw);
+
+ return 0;
+}
+
+/**
+ * txgbe_led_off - Turns off the software controllable LEDs.
+ * @hw: pointer to hardware structure
+ * @index: led number to turn off
+ **/
+s32 txgbe_led_off(struct txgbe_hw *hw, u32 index)
+{
+ u32 led_reg = rd32(hw, TXGBE_LEDCTL);
+
+ DEBUGFUNC("txgbe_led_off");
+
+ if (index > 4)
+ return TXGBE_ERR_PARAM;
+
+ /* To turn off the LED, set mode to OFF. */
+ led_reg &= ~(TXGBE_LEDCTL_SEL(index));
+ led_reg &= ~(TXGBE_LEDCTL_ORD(index));
+ wr32(hw, TXGBE_LEDCTL, led_reg);
+ txgbe_flush(hw);
+
+ return 0;
+}
+
/**
* txgbe_validate_mac_addr - Validate MAC address
* @mac_addr: pointer to MAC address.
return 0;
}
+/**
+ * txgbe_fc_enable - Enable flow control
+ * @hw: pointer to hardware structure
+ *
+ * Enable flow control according to the current settings.
+ **/
+s32 txgbe_fc_enable(struct txgbe_hw *hw)
+{
+ s32 err = 0;
+ u32 mflcn_reg, fccfg_reg;
+ u32 pause_time;
+ u32 fcrtl, fcrth;
+ int i;
+
+ DEBUGFUNC("txgbe_fc_enable");
+
+ /* Validate the water mark configuration */
+ if (!hw->fc.pause_time) {
+ err = TXGBE_ERR_INVALID_LINK_SETTINGS;
+ goto out;
+ }
+
+ /* Low water mark of zero causes XOFF floods */
+ for (i = 0; i < TXGBE_DCB_TC_MAX; i++) {
+ if ((hw->fc.current_mode & txgbe_fc_tx_pause) &&
+ hw->fc.high_water[i]) {
+ if (!hw->fc.low_water[i] ||
+ hw->fc.low_water[i] >= hw->fc.high_water[i]) {
+ DEBUGOUT("Invalid water mark configuration\n");
+ err = TXGBE_ERR_INVALID_LINK_SETTINGS;
+ goto out;
+ }
+ }
+ }
+
+ /* Negotiate the fc mode to use */
+ hw->mac.fc_autoneg(hw);
+
+ /* Disable any previous flow control settings */
+ mflcn_reg = rd32(hw, TXGBE_RXFCCFG);
+ mflcn_reg &= ~(TXGBE_RXFCCFG_FC | TXGBE_RXFCCFG_PFC);
+
+ fccfg_reg = rd32(hw, TXGBE_TXFCCFG);
+ fccfg_reg &= ~(TXGBE_TXFCCFG_FC | TXGBE_TXFCCFG_PFC);
+
+ /*
+ * The possible values of fc.current_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.
+ */
+ switch (hw->fc.current_mode) {
+ case txgbe_fc_none:
+ /*
+ * Flow control is disabled by software override or autoneg.
+ * The code below will actually disable it in the HW.
+ */
+ break;
+ case txgbe_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.
+ */
+ mflcn_reg |= TXGBE_RXFCCFG_FC;
+ break;
+ case txgbe_fc_tx_pause:
+ /*
+ * Tx Flow control is enabled, and Rx Flow control is
+ * disabled by software override.
+ */
+ fccfg_reg |= TXGBE_TXFCCFG_FC;
+ break;
+ case txgbe_fc_full:
+ /* Flow control (both Rx and Tx) is enabled by SW override. */
+ mflcn_reg |= TXGBE_RXFCCFG_FC;
+ fccfg_reg |= TXGBE_TXFCCFG_FC;
+ break;
+ default:
+ DEBUGOUT("Flow control param set incorrectly\n");
+ err = TXGBE_ERR_CONFIG;
+ goto out;
+ }
+
+ /* Set 802.3x based flow control settings. */
+ wr32(hw, TXGBE_RXFCCFG, mflcn_reg);
+ wr32(hw, TXGBE_TXFCCFG, fccfg_reg);
+
+ /* Set up and enable Rx high/low water mark thresholds, enable XON. */
+ for (i = 0; i < TXGBE_DCB_TC_MAX; i++) {
+ if ((hw->fc.current_mode & txgbe_fc_tx_pause) &&
+ hw->fc.high_water[i]) {
+ fcrtl = TXGBE_FCWTRLO_TH(hw->fc.low_water[i]) |
+ TXGBE_FCWTRLO_XON;
+ fcrth = TXGBE_FCWTRHI_TH(hw->fc.high_water[i]) |
+ TXGBE_FCWTRHI_XOFF;
+ } else {
+ /*
+ * In order to prevent Tx hangs when the internal Tx
+ * switch is enabled we must set the high water mark
+ * to the Rx packet buffer size - 24KB. This allows
+ * the Tx switch to function even under heavy Rx
+ * workloads.
+ */
+ fcrtl = 0;
+ fcrth = rd32(hw, TXGBE_PBRXSIZE(i)) - 24576;
+ }
+ wr32(hw, TXGBE_FCWTRLO(i), fcrtl);
+ wr32(hw, TXGBE_FCWTRHI(i), fcrth);
+ }
+
+ /* Configure pause time (2 TCs per register) */
+ pause_time = TXGBE_RXFCFSH_TIME(hw->fc.pause_time);
+ for (i = 0; i < (TXGBE_DCB_TC_MAX / 2); i++)
+ wr32(hw, TXGBE_FCXOFFTM(i), pause_time * 0x00010001);
+
+ /* Configure flow control refresh threshold value */
+ wr32(hw, TXGBE_RXFCRFSH, hw->fc.pause_time / 2);
+
+out:
+ return err;
+}
+
+/**
+ * txgbe_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
+ **/
+s32 txgbe_negotiate_fc(struct txgbe_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))) {
+ DEBUGOUT("Local or link partner's advertised flow control "
+ "settings are NULL. Local: %x, link partner: %x\n",
+ adv_reg, lp_reg);
+ return TXGBE_ERR_FC_NOT_NEGOTIATED;
+ }
+
+ if ((adv_reg & adv_sym) && (lp_reg & lp_sym)) {
+ /*
+ * 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 == txgbe_fc_full) {
+ hw->fc.current_mode = txgbe_fc_full;
+ DEBUGOUT("Flow Control = FULL.\n");
+ } else {
+ hw->fc.current_mode = txgbe_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 = txgbe_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 = txgbe_fc_rx_pause;
+ DEBUGOUT("Flow Control = RX PAUSE frames only.\n");
+ } else {
+ hw->fc.current_mode = txgbe_fc_none;
+ DEBUGOUT("Flow Control = NONE.\n");
+ }
+ return 0;
+}
+
+/**
+ * txgbe_fc_autoneg_fiber - Enable flow control on 1 gig fiber
+ * @hw: pointer to hardware structure
+ *
+ * Enable flow control according on 1 gig fiber.
+ **/
+STATIC s32 txgbe_fc_autoneg_fiber(struct txgbe_hw *hw)
+{
+ u32 pcs_anadv_reg, pcs_lpab_reg;
+ s32 err = TXGBE_ERR_FC_NOT_NEGOTIATED;
+
+ /*
+ * 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
+ */
+
+ pcs_anadv_reg = rd32_epcs(hw, SR_MII_MMD_AN_ADV);
+ pcs_lpab_reg = rd32_epcs(hw, SR_MII_MMD_LP_BABL);
+
+ err = txgbe_negotiate_fc(hw, pcs_anadv_reg,
+ pcs_lpab_reg,
+ SR_MII_MMD_AN_ADV_PAUSE_SYM,
+ SR_MII_MMD_AN_ADV_PAUSE_ASM,
+ SR_MII_MMD_AN_ADV_PAUSE_SYM,
+ SR_MII_MMD_AN_ADV_PAUSE_ASM);
+
+ return err;
+}
+
+/**
+ * txgbe_fc_autoneg_backplane - Enable flow control IEEE clause 37
+ * @hw: pointer to hardware structure
+ *
+ * Enable flow control according to IEEE clause 37.
+ **/
+STATIC s32 txgbe_fc_autoneg_backplane(struct txgbe_hw *hw)
+{
+ u32 anlp1_reg, autoc_reg;
+ s32 err = TXGBE_ERR_FC_NOT_NEGOTIATED;
+
+ /*
+ * Read the 10g AN autoc and LP ability registers and resolve
+ * local flow control settings accordingly
+ */
+ autoc_reg = rd32_epcs(hw, SR_AN_MMD_ADV_REG1);
+ anlp1_reg = rd32_epcs(hw, SR_AN_MMD_LP_ABL1);
+
+ err = txgbe_negotiate_fc(hw, autoc_reg,
+ anlp1_reg,
+ SR_AN_MMD_ADV_REG1_PAUSE_SYM,
+ SR_AN_MMD_ADV_REG1_PAUSE_ASM,
+ SR_AN_MMD_ADV_REG1_PAUSE_SYM,
+ SR_AN_MMD_ADV_REG1_PAUSE_ASM);
+
+ return err;
+}
+
+/**
+ * txgbe_fc_autoneg_copper - Enable flow control IEEE clause 37
+ * @hw: pointer to hardware structure
+ *
+ * Enable flow control according to IEEE clause 37.
+ **/
+STATIC s32 txgbe_fc_autoneg_copper(struct txgbe_hw *hw)
+{
+ u16 technology_ability_reg = 0;
+ u16 lp_technology_ability_reg = 0;
+
+ hw->phy.read_reg(hw, TXGBE_MD_AUTO_NEG_ADVT,
+ TXGBE_MD_DEV_AUTO_NEG,
+ &technology_ability_reg);
+ hw->phy.read_reg(hw, TXGBE_MD_AUTO_NEG_LP,
+ TXGBE_MD_DEV_AUTO_NEG,
+ &lp_technology_ability_reg);
+
+ return txgbe_negotiate_fc(hw, (u32)technology_ability_reg,
+ (u32)lp_technology_ability_reg,
+ TXGBE_TAF_SYM_PAUSE, TXGBE_TAF_ASM_PAUSE,
+ TXGBE_TAF_SYM_PAUSE, TXGBE_TAF_ASM_PAUSE);
+}
+
+/**
+ * txgbe_fc_autoneg - Configure flow control
+ * @hw: pointer to hardware structure
+ *
+ * Compares our advertised flow control capabilities to those advertised by
+ * our link partner, and determines the proper flow control mode to use.
+ **/
+void txgbe_fc_autoneg(struct txgbe_hw *hw)
+{
+ s32 err = TXGBE_ERR_FC_NOT_NEGOTIATED;
+ u32 speed;
+ bool link_up;
+
+ DEBUGFUNC("txgbe_fc_autoneg");
+
+ /*
+ * AN should have completed when the cable was plugged in.
+ * Look for reasons to bail out. Bail out if:
+ * - FC autoneg is disabled, or if
+ * - link is not up.
+ */
+ if (hw->fc.disable_fc_autoneg) {
+ DEBUGOUT("Flow control autoneg is disabled");
+ goto out;
+ }
+
+ hw->mac.check_link(hw, &speed, &link_up, false);
+ if (!link_up) {
+ DEBUGOUT("The link is down");
+ goto out;
+ }
+
+ switch (hw->phy.media_type) {
+ /* Autoneg flow control on fiber adapters */
+ case txgbe_media_type_fiber_qsfp:
+ case txgbe_media_type_fiber:
+ if (speed == TXGBE_LINK_SPEED_1GB_FULL)
+ err = txgbe_fc_autoneg_fiber(hw);
+ break;
+
+ /* Autoneg flow control on backplane adapters */
+ case txgbe_media_type_backplane:
+ err = txgbe_fc_autoneg_backplane(hw);
+ break;
+
+ /* Autoneg flow control on copper adapters */
+ case txgbe_media_type_copper:
+ if (txgbe_device_supports_autoneg_fc(hw))
+ err = txgbe_fc_autoneg_copper(hw);
+ break;
+
+ default:
+ break;
+ }
+
+out:
+ if (err == 0) {
+ hw->fc.fc_was_autonegged = true;
+ } else {
+ hw->fc.fc_was_autonegged = false;
+ hw->fc.current_mode = hw->fc.requested_mode;
+ }
+}
+
+/**
+ * txgbe_acquire_swfw_sync - Acquire SWFW semaphore
+ * @hw: pointer to hardware structure
+ * @mask: Mask to specify which semaphore to acquire
+ *
+ * Acquires the SWFW semaphore through the MNGSEM register for the specified
+ * function (CSR, PHY0, PHY1, EEPROM, Flash)
+ **/
+s32 txgbe_acquire_swfw_sync(struct txgbe_hw *hw, u32 mask)
+{
+ u32 mngsem = 0;
+ u32 swmask = TXGBE_MNGSEM_SW(mask);
+ u32 fwmask = TXGBE_MNGSEM_FW(mask);
+ u32 timeout = 200;
+ u32 i;
+
+ DEBUGFUNC("txgbe_acquire_swfw_sync");
+
+ for (i = 0; i < timeout; i++) {
+ /*
+ * SW NVM semaphore bit is used for access to all
+ * SW_FW_SYNC bits (not just NVM)
+ */
+ if (txgbe_get_eeprom_semaphore(hw))
+ return TXGBE_ERR_SWFW_SYNC;
+
+ mngsem = rd32(hw, TXGBE_MNGSEM);
+ if (mngsem & (fwmask | swmask)) {
+ /* Resource is currently in use by FW or SW */
+ txgbe_release_eeprom_semaphore(hw);
+ msec_delay(5);
+ } else {
+ mngsem |= swmask;
+ wr32(hw, TXGBE_MNGSEM, mngsem);
+ txgbe_release_eeprom_semaphore(hw);
+ return 0;
+ }
+ }
+
+ /* If time expired clear the bits holding the lock and retry */
+ if (mngsem & (fwmask | swmask))
+ txgbe_release_swfw_sync(hw, mngsem & (fwmask | swmask));
+
+ msec_delay(5);
+ return TXGBE_ERR_SWFW_SYNC;
+}
+
+/**
+ * txgbe_release_swfw_sync - Release SWFW semaphore
+ * @hw: pointer to hardware structure
+ * @mask: Mask to specify which semaphore to release
+ *
+ * Releases the SWFW semaphore through the MNGSEM register for the specified
+ * function (CSR, PHY0, PHY1, EEPROM, Flash)
+ **/
+void txgbe_release_swfw_sync(struct txgbe_hw *hw, u32 mask)
+{
+ u32 mngsem;
+ u32 swmask = mask;
+
+ DEBUGFUNC("txgbe_release_swfw_sync");
+
+ txgbe_get_eeprom_semaphore(hw);
+
+ mngsem = rd32(hw, TXGBE_MNGSEM);
+ mngsem &= ~swmask;
+ wr32(hw, TXGBE_MNGSEM, mngsem);
+
+ txgbe_release_eeprom_semaphore(hw);
+}
+
/**
* txgbe_disable_sec_rx_path - Stops the receive data path
* @hw: pointer to hardware structure
}
/**
- * txgbe_get_san_mac_addr_offset - Get SAN MAC address offset from the EEPROM
+ * txgbe_get_san_mac_addr_offset - Get SAN MAC address offset from the EEPROM
+ * @hw: pointer to hardware structure
+ * @san_mac_offset: SAN MAC address offset
+ *
+ * This function will read the EEPROM location for the SAN MAC address
+ * pointer, and returns the value at that location. This is used in both
+ * get and set mac_addr routines.
+ **/
+static s32 txgbe_get_san_mac_addr_offset(struct txgbe_hw *hw,
+ u16 *san_mac_offset)
+{
+ s32 err;
+
+ DEBUGFUNC("txgbe_get_san_mac_addr_offset");
+
+ /*
+ * First read the EEPROM pointer to see if the MAC addresses are
+ * available.
+ */
+ err = hw->rom.readw_sw(hw, TXGBE_SAN_MAC_ADDR_PTR,
+ san_mac_offset);
+ if (err) {
+ DEBUGOUT("eeprom at offset %d failed",
+ TXGBE_SAN_MAC_ADDR_PTR);
+ }
+
+ return err;
+}
+
+/**
+ * txgbe_get_san_mac_addr - SAN MAC address retrieval from the EEPROM
+ * @hw: pointer to hardware structure
+ * @san_mac_addr: SAN MAC address
+ *
+ * Reads the SAN MAC address from the EEPROM, if it's available. This is
+ * per-port, so set_lan_id() must be called before reading the addresses.
+ * set_lan_id() is called by identify_sfp(), but this cannot be relied
+ * upon for non-SFP connections, so we must call it here.
+ **/
+s32 txgbe_get_san_mac_addr(struct txgbe_hw *hw, u8 *san_mac_addr)
+{
+ u16 san_mac_data, san_mac_offset;
+ u8 i;
+ s32 err;
+
+ DEBUGFUNC("txgbe_get_san_mac_addr");
+
+ /*
+ * First read the EEPROM pointer to see if the MAC addresses are
+ * available. If they're not, no point in calling set_lan_id() here.
+ */
+ err = txgbe_get_san_mac_addr_offset(hw, &san_mac_offset);
+ if (err || san_mac_offset == 0 || san_mac_offset == 0xFFFF)
+ goto san_mac_addr_out;
+
+ /* apply the port offset to the address offset */
+ (hw->bus.func) ? (san_mac_offset += TXGBE_SAN_MAC_ADDR_PORT1_OFFSET) :
+ (san_mac_offset += TXGBE_SAN_MAC_ADDR_PORT0_OFFSET);
+ for (i = 0; i < 3; i++) {
+ err = hw->rom.read16(hw, san_mac_offset,
+ &san_mac_data);
+ if (err) {
+ DEBUGOUT("eeprom read at offset %d failed",
+ san_mac_offset);
+ goto san_mac_addr_out;
+ }
+ san_mac_addr[i * 2] = (u8)(san_mac_data);
+ san_mac_addr[i * 2 + 1] = (u8)(san_mac_data >> 8);
+ san_mac_offset++;
+ }
+ return 0;
+
+san_mac_addr_out:
+ /*
+ * No addresses available in this EEPROM. It's not an
+ * error though, so just wipe the local address and return.
+ */
+ for (i = 0; i < 6; i++)
+ san_mac_addr[i] = 0xFF;
+ return 0;
+}
+
+/**
+ * txgbe_set_san_mac_addr - Write the SAN MAC address to the EEPROM
+ * @hw: pointer to hardware structure
+ * @san_mac_addr: SAN MAC address
+ *
+ * Write a SAN MAC address to the EEPROM.
+ **/
+s32 txgbe_set_san_mac_addr(struct txgbe_hw *hw, u8 *san_mac_addr)
+{
+ s32 err;
+ u16 san_mac_data, san_mac_offset;
+ u8 i;
+
+ DEBUGFUNC("txgbe_set_san_mac_addr");
+
+ /* Look for SAN mac address pointer. If not defined, return */
+ err = txgbe_get_san_mac_addr_offset(hw, &san_mac_offset);
+ if (err || san_mac_offset == 0 || san_mac_offset == 0xFFFF)
+ return TXGBE_ERR_NO_SAN_ADDR_PTR;
+
+ /* Apply the port offset to the address offset */
+ (hw->bus.func) ? (san_mac_offset += TXGBE_SAN_MAC_ADDR_PORT1_OFFSET) :
+ (san_mac_offset += TXGBE_SAN_MAC_ADDR_PORT0_OFFSET);
+
+ for (i = 0; i < 3; i++) {
+ san_mac_data = (u16)((u16)(san_mac_addr[i * 2 + 1]) << 8);
+ san_mac_data |= (u16)(san_mac_addr[i * 2]);
+ hw->rom.write16(hw, san_mac_offset, san_mac_data);
+ san_mac_offset++;
+ }
+
+ return 0;
+}
+
+/**
+ * txgbe_clear_vmdq - Disassociate a VMDq pool index from a rx address
+ * @hw: pointer to hardware struct
+ * @rar: receive address register index to disassociate
+ * @vmdq: VMDq pool index to remove from the rar
+ **/
+s32 txgbe_clear_vmdq(struct txgbe_hw *hw, u32 rar, u32 vmdq)
+{
+ u32 mpsar_lo, mpsar_hi;
+ u32 rar_entries = hw->mac.num_rar_entries;
+
+ DEBUGFUNC("txgbe_clear_vmdq");
+
+ /* Make sure we are using a valid rar index range */
+ if (rar >= rar_entries) {
+ DEBUGOUT("RAR index %d is out of range.\n", rar);
+ return TXGBE_ERR_INVALID_ARGUMENT;
+ }
+
+ wr32(hw, TXGBE_ETHADDRIDX, rar);
+ mpsar_lo = rd32(hw, TXGBE_ETHADDRASSL);
+ mpsar_hi = rd32(hw, TXGBE_ETHADDRASSH);
+
+ if (TXGBE_REMOVED(hw->hw_addr))
+ goto done;
+
+ if (!mpsar_lo && !mpsar_hi)
+ goto done;
+
+ if (vmdq == BIT_MASK32) {
+ if (mpsar_lo) {
+ wr32(hw, TXGBE_ETHADDRASSL, 0);
+ mpsar_lo = 0;
+ }
+ if (mpsar_hi) {
+ wr32(hw, TXGBE_ETHADDRASSH, 0);
+ mpsar_hi = 0;
+ }
+ } else if (vmdq < 32) {
+ mpsar_lo &= ~(1 << vmdq);
+ wr32(hw, TXGBE_ETHADDRASSL, mpsar_lo);
+ } else {
+ mpsar_hi &= ~(1 << (vmdq - 32));
+ wr32(hw, TXGBE_ETHADDRASSH, mpsar_hi);
+ }
+
+ /* was that the last pool using this rar? */
+ if (mpsar_lo == 0 && mpsar_hi == 0 &&
+ rar != 0 && rar != hw->mac.san_mac_rar_index)
+ hw->mac.clear_rar(hw, rar);
+done:
+ return 0;
+}
+
+/**
+ * txgbe_set_vmdq - Associate a VMDq pool index with a rx address
+ * @hw: pointer to hardware struct
+ * @rar: receive address register index to associate with a VMDq index
+ * @vmdq: VMDq pool index
+ **/
+s32 txgbe_set_vmdq(struct txgbe_hw *hw, u32 rar, u32 vmdq)
+{
+ u32 mpsar;
+ u32 rar_entries = hw->mac.num_rar_entries;
+
+ DEBUGFUNC("txgbe_set_vmdq");
+
+ /* Make sure we are using a valid rar index range */
+ if (rar >= rar_entries) {
+ DEBUGOUT("RAR index %d is out of range.\n", rar);
+ return TXGBE_ERR_INVALID_ARGUMENT;
+ }
+
+ wr32(hw, TXGBE_ETHADDRIDX, rar);
+ if (vmdq < 32) {
+ mpsar = rd32(hw, TXGBE_ETHADDRASSL);
+ mpsar |= 1 << vmdq;
+ wr32(hw, TXGBE_ETHADDRASSL, mpsar);
+ } else {
+ mpsar = rd32(hw, TXGBE_ETHADDRASSH);
+ mpsar |= 1 << (vmdq - 32);
+ wr32(hw, TXGBE_ETHADDRASSH, mpsar);
+ }
+ return 0;
+}
+
+/**
+ * txgbe_init_uta_tables - Initialize the Unicast Table Array
+ * @hw: pointer to hardware structure
+ **/
+s32 txgbe_init_uta_tables(struct txgbe_hw *hw)
+{
+ int i;
+
+ DEBUGFUNC("txgbe_init_uta_tables");
+ DEBUGOUT(" Clearing UTA\n");
+
+ for (i = 0; i < 128; i++)
+ wr32(hw, TXGBE_UCADDRTBL(i), 0);
+
+ return 0;
+}
+
+/**
+ * txgbe_find_vlvf_slot - find the vlanid or the first empty slot
* @hw: pointer to hardware structure
- * @san_mac_offset: SAN MAC address offset
+ * @vlan: VLAN id to write to VLAN filter
+ * @vlvf_bypass: true to find vlanid only, false returns first empty slot if
+ * vlanid not found
+ *
+ *
+ * return the VLVF index where this VLAN id should be placed
*
- * This function will read the EEPROM location for the SAN MAC address
- * pointer, and returns the value at that location. This is used in both
- * get and set mac_addr routines.
**/
-static s32 txgbe_get_san_mac_addr_offset(struct txgbe_hw *hw,
- u16 *san_mac_offset)
+s32 txgbe_find_vlvf_slot(struct txgbe_hw *hw, u32 vlan, bool vlvf_bypass)
{
- s32 err;
+ s32 regindex, first_empty_slot;
+ u32 bits;
- DEBUGFUNC("txgbe_get_san_mac_addr_offset");
+ /* short cut the special case */
+ if (vlan == 0)
+ return 0;
- /*
- * First read the EEPROM pointer to see if the MAC addresses are
- * available.
+ /* if vlvf_bypass is set we don't want to use an empty slot, we
+ * will simply bypass the VLVF if there are no entries present in the
+ * VLVF that contain our VLAN
*/
- err = hw->rom.readw_sw(hw, TXGBE_SAN_MAC_ADDR_PTR,
- san_mac_offset);
- if (err) {
- DEBUGOUT("eeprom at offset %d failed",
- TXGBE_SAN_MAC_ADDR_PTR);
+ first_empty_slot = vlvf_bypass ? TXGBE_ERR_NO_SPACE : 0;
+
+ /* add VLAN enable bit for comparison */
+ vlan |= TXGBE_PSRVLAN_EA;
+
+ /* Search for the vlan id in the VLVF entries. Save off the first empty
+ * slot found along the way.
+ *
+ * pre-decrement loop covering (TXGBE_NUM_POOL - 1) .. 1
+ */
+ for (regindex = TXGBE_NUM_POOL; --regindex;) {
+ wr32(hw, TXGBE_PSRVLANIDX, regindex);
+ bits = rd32(hw, TXGBE_PSRVLAN);
+ if (bits == vlan)
+ return regindex;
+ if (!first_empty_slot && !bits)
+ first_empty_slot = regindex;
}
- return err;
+ /* If we are here then we didn't find the VLAN. Return first empty
+ * slot we found during our search, else error.
+ */
+ if (!first_empty_slot)
+ DEBUGOUT("No space in VLVF.\n");
+
+ return first_empty_slot ? first_empty_slot : TXGBE_ERR_NO_SPACE;
}
/**
- * txgbe_get_san_mac_addr - SAN MAC address retrieval from the EEPROM
+ * txgbe_set_vfta - Set VLAN filter table
* @hw: pointer to hardware structure
- * @san_mac_addr: SAN MAC address
+ * @vlan: VLAN id to write to VLAN filter
+ * @vind: VMDq output index that maps queue to VLAN id in VLVFB
+ * @vlan_on: boolean flag to turn on/off VLAN
+ * @vlvf_bypass: boolean flag indicating updating default pool is okay
*
- * Reads the SAN MAC address from the EEPROM, if it's available. This is
- * per-port, so set_lan_id() must be called before reading the addresses.
- * set_lan_id() is called by identify_sfp(), but this cannot be relied
- * upon for non-SFP connections, so we must call it here.
+ * Turn on/off specified VLAN in the VLAN filter table.
**/
-s32 txgbe_get_san_mac_addr(struct txgbe_hw *hw, u8 *san_mac_addr)
+s32 txgbe_set_vfta(struct txgbe_hw *hw, u32 vlan, u32 vind,
+ bool vlan_on, bool vlvf_bypass)
{
- u16 san_mac_data, san_mac_offset;
- u8 i;
+ u32 regidx, vfta_delta, vfta;
s32 err;
- DEBUGFUNC("txgbe_get_san_mac_addr");
+ DEBUGFUNC("txgbe_set_vfta");
+
+ if (vlan > 4095 || vind > 63)
+ return TXGBE_ERR_PARAM;
/*
- * First read the EEPROM pointer to see if the MAC addresses are
- * available. If they're not, no point in calling set_lan_id() here.
+ * this is a 2 part operation - first the VFTA, then the
+ * VLVF and VLVFB if VT Mode is set
+ * We don't write the VFTA until we know the VLVF part succeeded.
*/
- err = txgbe_get_san_mac_addr_offset(hw, &san_mac_offset);
- if (err || san_mac_offset == 0 || san_mac_offset == 0xFFFF)
- goto san_mac_addr_out;
- /* apply the port offset to the address offset */
- (hw->bus.func) ? (san_mac_offset += TXGBE_SAN_MAC_ADDR_PORT1_OFFSET) :
- (san_mac_offset += TXGBE_SAN_MAC_ADDR_PORT0_OFFSET);
- for (i = 0; i < 3; i++) {
- err = hw->rom.read16(hw, san_mac_offset,
- &san_mac_data);
- if (err) {
- DEBUGOUT("eeprom read at offset %d failed",
- san_mac_offset);
- goto san_mac_addr_out;
- }
- san_mac_addr[i * 2] = (u8)(san_mac_data);
- san_mac_addr[i * 2 + 1] = (u8)(san_mac_data >> 8);
- san_mac_offset++;
- }
- return 0;
+ /* Part 1
+ * The VFTA is a bitstring made up of 128 32-bit registers
+ * that enable the particular VLAN id, much like the MTA:
+ * bits[11-5]: which register
+ * bits[4-0]: which bit in the register
+ */
+ regidx = vlan / 32;
+ vfta_delta = 1 << (vlan % 32);
+ vfta = rd32(hw, TXGBE_VLANTBL(regidx));
-san_mac_addr_out:
/*
- * No addresses available in this EEPROM. It's not an
- * error though, so just wipe the local address and return.
+ * vfta_delta represents the difference between the current value
+ * of vfta and the value we want in the register. Since the diff
+ * is an XOR mask we can just update the vfta using an XOR
*/
- for (i = 0; i < 6; i++)
- san_mac_addr[i] = 0xFF;
+ vfta_delta &= vlan_on ? ~vfta : vfta;
+ vfta ^= vfta_delta;
+
+ /* Part 2
+ * Call txgbe_set_vlvf to set VLVFB and VLVF
+ */
+ err = txgbe_set_vlvf(hw, vlan, vind, vlan_on, &vfta_delta,
+ vfta, vlvf_bypass);
+ if (err != 0) {
+ if (vlvf_bypass)
+ goto vfta_update;
+ return err;
+ }
+
+vfta_update:
+ /* Update VFTA now that we are ready for traffic */
+ if (vfta_delta)
+ wr32(hw, TXGBE_VLANTBL(regidx), vfta);
+
return 0;
}
/**
- * txgbe_set_san_mac_addr - Write the SAN MAC address to the EEPROM
+ * txgbe_set_vlvf - Set VLAN Pool Filter
* @hw: pointer to hardware structure
- * @san_mac_addr: SAN MAC address
+ * @vlan: VLAN id to write to VLAN filter
+ * @vind: VMDq output index that maps queue to VLAN id in PSRVLANPLM
+ * @vlan_on: boolean flag to turn on/off VLAN in PSRVLAN
+ * @vfta_delta: pointer to the difference between the current value
+ * of PSRVLANPLM and the desired value
+ * @vfta: the desired value of the VFTA
+ * @vlvf_bypass: boolean flag indicating updating default pool is okay
*
- * Write a SAN MAC address to the EEPROM.
+ * Turn on/off specified bit in VLVF table.
**/
-s32 txgbe_set_san_mac_addr(struct txgbe_hw *hw, u8 *san_mac_addr)
+s32 txgbe_set_vlvf(struct txgbe_hw *hw, u32 vlan, u32 vind,
+ bool vlan_on, u32 *vfta_delta, u32 vfta,
+ bool vlvf_bypass)
{
- s32 err;
- u16 san_mac_data, san_mac_offset;
- u8 i;
+ u32 bits;
+ u32 portctl;
+ s32 vlvf_index;
- DEBUGFUNC("txgbe_set_san_mac_addr");
+ DEBUGFUNC("txgbe_set_vlvf");
- /* Look for SAN mac address pointer. If not defined, return */
- err = txgbe_get_san_mac_addr_offset(hw, &san_mac_offset);
- if (err || san_mac_offset == 0 || san_mac_offset == 0xFFFF)
- return TXGBE_ERR_NO_SAN_ADDR_PTR;
+ if (vlan > 4095 || vind > 63)
+ return TXGBE_ERR_PARAM;
- /* Apply the port offset to the address offset */
- (hw->bus.func) ? (san_mac_offset += TXGBE_SAN_MAC_ADDR_PORT1_OFFSET) :
- (san_mac_offset += TXGBE_SAN_MAC_ADDR_PORT0_OFFSET);
+ /* If VT Mode is set
+ * Either vlan_on
+ * make sure the vlan is in PSRVLAN
+ * set the vind bit in the matching PSRVLANPLM
+ * Or !vlan_on
+ * clear the pool bit and possibly the vind
+ */
+ portctl = rd32(hw, TXGBE_PORTCTL);
+ if (!(portctl & TXGBE_PORTCTL_NUMVT_MASK))
+ return 0;
- for (i = 0; i < 3; i++) {
- san_mac_data = (u16)((u16)(san_mac_addr[i * 2 + 1]) << 8);
- san_mac_data |= (u16)(san_mac_addr[i * 2]);
- hw->rom.write16(hw, san_mac_offset, san_mac_data);
- san_mac_offset++;
+ vlvf_index = txgbe_find_vlvf_slot(hw, vlan, vlvf_bypass);
+ if (vlvf_index < 0)
+ return vlvf_index;
+
+ wr32(hw, TXGBE_PSRVLANIDX, vlvf_index);
+ bits = rd32(hw, TXGBE_PSRVLANPLM(vind / 32));
+
+ /* set the pool bit */
+ bits |= 1 << (vind % 32);
+ if (vlan_on)
+ goto vlvf_update;
+
+ /* clear the pool bit */
+ bits ^= 1 << (vind % 32);
+
+ if (!bits &&
+ !rd32(hw, TXGBE_PSRVLANPLM(vind / 32))) {
+ /* Clear PSRVLANPLM first, then disable PSRVLAN. Otherwise
+ * we run the risk of stray packets leaking into
+ * the PF via the default pool
+ */
+ if (*vfta_delta)
+ wr32(hw, TXGBE_PSRVLANPLM(vlan / 32), vfta);
+
+ /* disable VLVF and clear remaining bit from pool */
+ wr32(hw, TXGBE_PSRVLAN, 0);
+ wr32(hw, TXGBE_PSRVLANPLM(vind / 32), 0);
+
+ return 0;
}
+ /* If there are still bits set in the PSRVLANPLM registers
+ * for the VLAN ID indicated we need to see if the
+ * caller is requesting that we clear the PSRVLANPLM entry bit.
+ * If the caller has requested that we clear the PSRVLANPLM
+ * entry bit but there are still pools/VFs using this VLAN
+ * ID entry then ignore the request. We're not worried
+ * about the case where we're turning the PSRVLANPLM VLAN ID
+ * entry bit on, only when requested to turn it off as
+ * there may be multiple pools and/or VFs using the
+ * VLAN ID entry. In that case we cannot clear the
+ * PSRVLANPLM bit until all pools/VFs using that VLAN ID have also
+ * been cleared. This will be indicated by "bits" being
+ * zero.
+ */
+ *vfta_delta = 0;
+
+vlvf_update:
+ /* record pool change and enable VLAN ID if not already enabled */
+ wr32(hw, TXGBE_PSRVLANPLM(vind / 32), bits);
+ wr32(hw, TXGBE_PSRVLAN, TXGBE_PSRVLAN_EA | vlan);
+
return 0;
}
/**
- * txgbe_init_uta_tables - Initialize the Unicast Table Array
+ * txgbe_clear_vfta - Clear VLAN filter table
* @hw: pointer to hardware structure
+ *
+ * Clears the VLAN filer table, and the VMDq index associated with the filter
**/
-s32 txgbe_init_uta_tables(struct txgbe_hw *hw)
+s32 txgbe_clear_vfta(struct txgbe_hw *hw)
{
- int i;
+ u32 offset;
- DEBUGFUNC("txgbe_init_uta_tables");
- DEBUGOUT(" Clearing UTA\n");
+ DEBUGFUNC("txgbe_clear_vfta");
- for (i = 0; i < 128; i++)
- wr32(hw, TXGBE_UCADDRTBL(i), 0);
+ for (offset = 0; offset < hw->mac.vft_size; offset++)
+ wr32(hw, TXGBE_VLANTBL(offset), 0);
+
+ for (offset = 0; offset < TXGBE_NUM_POOL; offset++) {
+ wr32(hw, TXGBE_PSRVLANIDX, offset);
+ wr32(hw, TXGBE_PSRVLAN, 0);
+ wr32(hw, TXGBE_PSRVLANPLM(0), 0);
+ wr32(hw, TXGBE_PSRVLANPLM(1), 0);
+ }
return 0;
}
return 0;
}
+/**
+ * txgbe_get_wwn_prefix - Get alternative WWNN/WWPN prefix from
+ * the EEPROM
+ * @hw: pointer to hardware structure
+ * @wwnn_prefix: the alternative WWNN prefix
+ * @wwpn_prefix: the alternative WWPN prefix
+ *
+ * This function will read the EEPROM from the alternative SAN MAC address
+ * block to check the support for the alternative WWNN/WWPN prefix support.
+ **/
+s32 txgbe_get_wwn_prefix(struct txgbe_hw *hw, u16 *wwnn_prefix,
+ u16 *wwpn_prefix)
+{
+ u16 offset, caps;
+ u16 alt_san_mac_blk_offset;
+
+ DEBUGFUNC("txgbe_get_wwn_prefix");
+
+ /* clear output first */
+ *wwnn_prefix = 0xFFFF;
+ *wwpn_prefix = 0xFFFF;
+
+ /* check if alternative SAN MAC is supported */
+ offset = TXGBE_ALT_SAN_MAC_ADDR_BLK_PTR;
+ if (hw->rom.readw_sw(hw, offset, &alt_san_mac_blk_offset))
+ goto wwn_prefix_err;
+
+ if (alt_san_mac_blk_offset == 0 || alt_san_mac_blk_offset == 0xFFFF)
+ goto wwn_prefix_out;
+
+ /* check capability in alternative san mac address block */
+ offset = alt_san_mac_blk_offset + TXGBE_ALT_SAN_MAC_ADDR_CAPS_OFFSET;
+ if (hw->rom.read16(hw, offset, &caps))
+ goto wwn_prefix_err;
+ if (!(caps & TXGBE_ALT_SAN_MAC_ADDR_CAPS_ALTWWN))
+ goto wwn_prefix_out;
+
+ /* get the corresponding prefix for WWNN/WWPN */
+ offset = alt_san_mac_blk_offset + TXGBE_ALT_SAN_MAC_ADDR_WWNN_OFFSET;
+ if (hw->rom.read16(hw, offset, wwnn_prefix))
+ DEBUGOUT("eeprom read at offset %d failed", offset);
+
+ offset = alt_san_mac_blk_offset + TXGBE_ALT_SAN_MAC_ADDR_WWPN_OFFSET;
+ if (hw->rom.read16(hw, offset, wwpn_prefix))
+ goto wwn_prefix_err;
+
+wwn_prefix_out:
+ return 0;
+
+wwn_prefix_err:
+ DEBUGOUT("eeprom read at offset %d failed", offset);
+ return 0;
+}
+
+/**
+ * txgbe_set_mac_anti_spoofing - Enable/Disable MAC anti-spoofing
+ * @hw: pointer to hardware structure
+ * @enable: enable or disable switch for MAC anti-spoofing
+ * @vf: Virtual Function pool - VF Pool to set for MAC anti-spoofing
+ *
+ **/
+void txgbe_set_mac_anti_spoofing(struct txgbe_hw *hw, bool enable, int vf)
+{
+ int vf_target_reg = vf >> 3;
+ int vf_target_shift = vf % 8;
+ u32 pfvfspoof;
+
+ pfvfspoof = rd32(hw, TXGBE_POOLTXASMAC(vf_target_reg));
+ if (enable)
+ pfvfspoof |= (1 << vf_target_shift);
+ else
+ pfvfspoof &= ~(1 << vf_target_shift);
+ wr32(hw, TXGBE_POOLTXASMAC(vf_target_reg), pfvfspoof);
+}
+
+/**
+ * txgbe_set_ethertype_anti_spoofing - Configure Ethertype anti-spoofing
+ * @hw: pointer to hardware structure
+ * @enable: enable or disable switch for Ethertype anti-spoofing
+ * @vf: Virtual Function pool - VF Pool to set for Ethertype anti-spoofing
+ *
+ **/
+void txgbe_set_ethertype_anti_spoofing(struct txgbe_hw *hw,
+ bool enable, int vf)
+{
+ int vf_target_reg = vf >> 3;
+ int vf_target_shift = vf % 8;
+ u32 pfvfspoof;
+
+ pfvfspoof = rd32(hw, TXGBE_POOLTXASET(vf_target_reg));
+ if (enable)
+ pfvfspoof |= (1 << vf_target_shift);
+ else
+ pfvfspoof &= ~(1 << vf_target_shift);
+ wr32(hw, TXGBE_POOLTXASET(vf_target_reg), pfvfspoof);
+}
+
/**
* txgbe_get_device_caps - Get additional device capabilities
* @hw: pointer to hardware structure
return 0;
}
+/**
+ * txgbe_set_pba - Initialize Rx packet buffer
+ * @hw: pointer to hardware structure
+ * @num_pb: number of packet buffers to allocate
+ * @headroom: reserve n KB of headroom
+ * @strategy: packet buffer allocation strategy
+ **/
+void txgbe_set_pba(struct txgbe_hw *hw, int num_pb, u32 headroom,
+ int strategy)
+{
+ u32 pbsize = hw->mac.rx_pb_size;
+ int i = 0;
+ u32 rxpktsize, txpktsize, txpbthresh;
+
+ UNREFERENCED_PARAMETER(hw);
+
+ /* Reserve headroom */
+ pbsize -= headroom;
+
+ if (!num_pb)
+ num_pb = 1;
+
+ /* Divide remaining packet buffer space amongst the number of packet
+ * buffers requested using supplied strategy.
+ */
+ switch (strategy) {
+ case PBA_STRATEGY_WEIGHTED:
+ /* txgbe_dcb_pba_80_48 strategy weight first half of packet
+ * buffer with 5/8 of the packet buffer space.
+ */
+ rxpktsize = (pbsize * 5) / (num_pb * 4);
+ pbsize -= rxpktsize * (num_pb / 2);
+ rxpktsize <<= 10;
+ for (; i < (num_pb / 2); i++)
+ wr32(hw, TXGBE_PBRXSIZE(i), rxpktsize);
+ /* fall through - configure remaining packet buffers */
+ case PBA_STRATEGY_EQUAL:
+ rxpktsize = (pbsize / (num_pb - i));
+ rxpktsize <<= 10;
+ for (; i < num_pb; i++)
+ wr32(hw, TXGBE_PBRXSIZE(i), rxpktsize);
+ break;
+ default:
+ break;
+ }
+
+ /* Only support an equally distributed Tx packet buffer strategy. */
+ txpktsize = TXGBE_PBTXSIZE_MAX / num_pb;
+ txpbthresh = (txpktsize / 1024) - TXGBE_TXPKT_SIZE_MAX;
+ for (i = 0; i < num_pb; i++) {
+ wr32(hw, TXGBE_PBTXSIZE(i), txpktsize);
+ wr32(hw, TXGBE_PBTXDMATH(i), txpbthresh);
+ }
+
+ /* Clear unused TCs, if any, to zero buffer size*/
+ for (; i < TXGBE_MAX_UP; i++) {
+ wr32(hw, TXGBE_PBRXSIZE(i), 0);
+ wr32(hw, TXGBE_PBTXSIZE(i), 0);
+ wr32(hw, TXGBE_PBTXDMATH(i), 0);
+ }
+}
+
/**
* txgbe_clear_tx_pending - Clear pending TX work from the PCIe fifo
* @hw: pointer to the hardware structure
return err;
}
+/**
+ * txgbe_prot_autoc_read_raptor - Hides MAC differences needed for AUTOC read
+ * @hw: pointer to hardware structure
+ * @locked: Return the if we locked for this read.
+ * @value: Value we read from AUTOC
+ *
+ * For this part we need to wrap read-modify-writes with a possible
+ * FW/SW lock. It is assumed this lock will be freed with the next
+ * prot_autoc_write_raptor().
+ */
+s32 txgbe_prot_autoc_read_raptor(struct txgbe_hw *hw, bool *locked, u64 *value)
+{
+ s32 err;
+ bool lock_state = false;
+
+ /* If LESM is on then we need to hold the SW/FW semaphore. */
+ if (txgbe_verify_lesm_fw_enabled_raptor(hw)) {
+ err = hw->mac.acquire_swfw_sync(hw,
+ TXGBE_MNGSEM_SWPHY);
+ if (err != 0)
+ return TXGBE_ERR_SWFW_SYNC;
+
+ lock_state = true;
+ }
+
+ if (locked)
+ *locked = lock_state;
+
+ *value = txgbe_autoc_read(hw);
+ return 0;
+}
+
+/**
+ * txgbe_prot_autoc_write_raptor - Hides MAC differences needed for AUTOC write
+ * @hw: pointer to hardware structure
+ * @autoc: value to write to AUTOC
+ * @locked: bool to indicate whether the SW/FW lock was already taken by
+ * previous prot_autoc_read_raptor.
+ *
+ * This part may need to hold the SW/FW lock around all writes to
+ * AUTOC. Likewise after a write we need to do a pipeline reset.
+ */
+s32 txgbe_prot_autoc_write_raptor(struct txgbe_hw *hw, bool locked, u64 autoc)
+{
+ int err = 0;
+
+ /* Blocked by MNG FW so bail */
+ if (txgbe_check_reset_blocked(hw))
+ goto out;
+
+ /* We only need to get the lock if:
+ * - We didn't do it already (in the read part of a read-modify-write)
+ * - LESM is enabled.
+ */
+ if (!locked && txgbe_verify_lesm_fw_enabled_raptor(hw)) {
+ err = hw->mac.acquire_swfw_sync(hw,
+ TXGBE_MNGSEM_SWPHY);
+ if (err != 0)
+ return TXGBE_ERR_SWFW_SYNC;
+
+ locked = true;
+ }
+
+ txgbe_autoc_write(hw, autoc);
+ err = txgbe_reset_pipeline_raptor(hw);
+
+out:
+ /* Free the SW/FW semaphore as we either grabbed it here or
+ * already had it when this function was called.
+ */
+ if (locked)
+ hw->mac.release_swfw_sync(hw, TXGBE_MNGSEM_SWPHY);
+
+ return err;
+}
+
/**
* txgbe_init_ops_pf - Inits func ptrs and MAC type
* @hw: pointer to hardware structure
struct txgbe_mac_info *mac = &hw->mac;
struct txgbe_phy_info *phy = &hw->phy;
struct txgbe_rom_info *rom = &hw->rom;
+ struct txgbe_mbx_info *mbx = &hw->mbx;
DEBUGFUNC("txgbe_init_ops_pf");
phy->setup_link_speed = txgbe_setup_phy_link_speed;
phy->read_i2c_byte = txgbe_read_i2c_byte;
phy->write_i2c_byte = txgbe_write_i2c_byte;
+ phy->read_i2c_sff8472 = txgbe_read_i2c_sff8472;
phy->read_i2c_eeprom = txgbe_read_i2c_eeprom;
phy->write_i2c_eeprom = txgbe_write_i2c_eeprom;
+ phy->identify_sfp = txgbe_identify_module;
+ phy->read_i2c_byte_unlocked = txgbe_read_i2c_byte_unlocked;
+ phy->write_i2c_byte_unlocked = txgbe_write_i2c_byte_unlocked;
phy->reset = txgbe_reset_phy;
/* MAC */
mac->enable_rx_dma = txgbe_enable_rx_dma_raptor;
mac->get_mac_addr = txgbe_get_mac_addr;
mac->stop_hw = txgbe_stop_hw;
+ mac->acquire_swfw_sync = txgbe_acquire_swfw_sync;
+ mac->release_swfw_sync = txgbe_release_swfw_sync;
mac->reset_hw = txgbe_reset_hw;
mac->disable_sec_rx_path = txgbe_disable_sec_rx_path;
mac->get_san_mac_addr = txgbe_get_san_mac_addr;
mac->set_san_mac_addr = txgbe_set_san_mac_addr;
mac->get_device_caps = txgbe_get_device_caps;
+ mac->get_wwn_prefix = txgbe_get_wwn_prefix;
mac->autoc_read = txgbe_autoc_read;
mac->autoc_write = txgbe_autoc_write;
+ mac->prot_autoc_read = txgbe_prot_autoc_read_raptor;
+ mac->prot_autoc_write = txgbe_prot_autoc_write_raptor;
+ /* RAR, Multicast, VLAN */
mac->set_rar = txgbe_set_rar;
mac->clear_rar = txgbe_clear_rar;
mac->init_rx_addrs = txgbe_init_rx_addrs;
mac->enable_rx = txgbe_enable_rx;
mac->disable_rx = txgbe_disable_rx;
+ mac->set_vmdq = txgbe_set_vmdq;
+ mac->clear_vmdq = txgbe_clear_vmdq;
+ mac->set_vfta = txgbe_set_vfta;
+ mac->set_vlvf = txgbe_set_vlvf;
+ mac->clear_vfta = txgbe_clear_vfta;
mac->init_uta_tables = txgbe_init_uta_tables;
mac->setup_sfp = txgbe_setup_sfp_modules;
+ mac->set_mac_anti_spoofing = txgbe_set_mac_anti_spoofing;
+ mac->set_ethertype_anti_spoofing = txgbe_set_ethertype_anti_spoofing;
+
+ /* Flow Control */
+ mac->fc_enable = txgbe_fc_enable;
+ mac->setup_fc = txgbe_setup_fc;
+ mac->fc_autoneg = txgbe_fc_autoneg;
+
/* Link */
mac->get_link_capabilities = txgbe_get_link_capabilities_raptor;
mac->check_link = txgbe_check_mac_link;
+ mac->setup_pba = txgbe_set_pba;
/* Manageability interface */
+ mac->set_fw_drv_ver = txgbe_hic_set_drv_ver;
mac->get_thermal_sensor_data = txgbe_get_thermal_sensor_data;
mac->init_thermal_sensor_thresh = txgbe_init_thermal_sensor_thresh;
+ mbx->init_params = txgbe_init_mbx_params_pf;
+ mbx->read = txgbe_read_mbx_pf;
+ mbx->write = txgbe_write_mbx_pf;
+ mbx->check_for_msg = txgbe_check_for_msg_pf;
+ mbx->check_for_ack = txgbe_check_for_ack_pf;
+ mbx->check_for_rst = txgbe_check_for_rst_pf;
+
/* EEPROM */
rom->init_params = txgbe_init_eeprom_params;
rom->read16 = txgbe_ee_read16;
rom->calc_checksum = txgbe_calc_eeprom_checksum;
mac->mcft_size = TXGBE_RAPTOR_MC_TBL_SIZE;
+ mac->vft_size = TXGBE_RAPTOR_VFT_TBL_SIZE;
mac->num_rar_entries = TXGBE_RAPTOR_RAR_ENTRIES;
+ mac->rx_pb_size = TXGBE_RAPTOR_RX_PB_SIZE;
mac->max_rx_queues = TXGBE_RAPTOR_MAX_RX_QUEUES;
mac->max_tx_queues = TXGBE_RAPTOR_MAX_TX_QUEUES;
return status;
}
+/**
+ * txgbe_fdir_check_cmd_complete - poll to check whether FDIRPICMD is complete
+ * @hw: pointer to hardware structure
+ * @fdircmd: current value of FDIRCMD register
+ */
+static s32 txgbe_fdir_check_cmd_complete(struct txgbe_hw *hw, u32 *fdircmd)
+{
+ int i;
+
+ for (i = 0; i < TXGBE_FDIRCMD_CMD_POLL; i++) {
+ *fdircmd = rd32(hw, TXGBE_FDIRPICMD);
+ if (!(*fdircmd & TXGBE_FDIRPICMD_OP_MASK))
+ return 0;
+ usec_delay(10);
+ }
+
+ return TXGBE_ERR_FDIR_CMD_INCOMPLETE;
+}
+
+/**
+ * txgbe_reinit_fdir_tables - Reinitialize Flow Director tables.
+ * @hw: pointer to hardware structure
+ **/
+s32 txgbe_reinit_fdir_tables(struct txgbe_hw *hw)
+{
+ s32 err;
+ int i;
+ u32 fdirctrl = rd32(hw, TXGBE_FDIRCTL);
+ u32 fdircmd;
+ fdirctrl &= ~TXGBE_FDIRCTL_INITDONE;
+
+ DEBUGFUNC("txgbe_reinit_fdir_tables");
+
+ /*
+ * Before starting reinitialization process,
+ * FDIRPICMD.OP must be zero.
+ */
+ err = txgbe_fdir_check_cmd_complete(hw, &fdircmd);
+ if (err) {
+ DEBUGOUT("Flow Director previous command did not complete, aborting table re-initialization.\n");
+ return err;
+ }
+
+ wr32(hw, TXGBE_FDIRFREE, 0);
+ txgbe_flush(hw);
+ /*
+ * adapters flow director init flow cannot be restarted,
+ * Workaround silicon errata by performing the following steps
+ * before re-writing the FDIRCTL control register with the same value.
+ * - write 1 to bit 8 of FDIRPICMD register &
+ * - write 0 to bit 8 of FDIRPICMD register
+ */
+ wr32m(hw, TXGBE_FDIRPICMD, TXGBE_FDIRPICMD_CLR, TXGBE_FDIRPICMD_CLR);
+ txgbe_flush(hw);
+ wr32m(hw, TXGBE_FDIRPICMD, TXGBE_FDIRPICMD_CLR, 0);
+ txgbe_flush(hw);
+ /*
+ * Clear FDIR Hash register to clear any leftover hashes
+ * waiting to be programmed.
+ */
+ wr32(hw, TXGBE_FDIRPIHASH, 0x00);
+ txgbe_flush(hw);
+
+ wr32(hw, TXGBE_FDIRCTL, fdirctrl);
+ txgbe_flush(hw);
+
+ /* Poll init-done after we write FDIRCTL register */
+ for (i = 0; i < TXGBE_FDIR_INIT_DONE_POLL; i++) {
+ if (rd32m(hw, TXGBE_FDIRCTL, TXGBE_FDIRCTL_INITDONE))
+ break;
+ msec_delay(1);
+ }
+ if (i >= TXGBE_FDIR_INIT_DONE_POLL) {
+ DEBUGOUT("Flow Director Signature poll time exceeded!\n");
+ return TXGBE_ERR_FDIR_REINIT_FAILED;
+ }
+
+ /* Clear FDIR statistics registers (read to clear) */
+ rd32(hw, TXGBE_FDIRUSED);
+ rd32(hw, TXGBE_FDIRFAIL);
+ rd32(hw, TXGBE_FDIRMATCH);
+ rd32(hw, TXGBE_FDIRMISS);
+ rd32(hw, TXGBE_FDIRLEN);
+
+ return 0;
+}
+
/**
* txgbe_start_hw_raptor - Prepare hardware for Tx/Rx
* @hw: pointer to hardware structure
git.droids-corp.org / dpdk.git / blobdiff