**/
s32 ngbe_start_hw(struct ngbe_hw *hw)
{
- DEBUGFUNC("ngbe_start_hw");
+ s32 err;
/* Clear the VLAN filter table */
hw->mac.clear_vfta(hw);
/* Clear statistics registers */
hw->mac.clear_hw_cntrs(hw);
+ /* Setup flow control */
+ err = hw->mac.setup_fc(hw);
+ if (err != 0 && err != NGBE_NOT_IMPLEMENTED) {
+ DEBUGOUT("Flow control setup failed, returning %d", err);
+ return err;
+ }
+
/* Clear adapter stopped flag */
hw->adapter_stopped = false;
{
s32 status;
- DEBUGFUNC("ngbe_init_hw");
-
ngbe_save_eeprom_version(hw);
/* Reset the hardware */
}
if (status != 0)
- DEBUGOUT("Failed to initialize HW, STATUS = %d\n", status);
+ DEBUGOUT("Failed to initialize HW, STATUS = %d", status);
return status;
}
wr32m(hw, NGBE_GPIE, NGBE_GPIE_MSIX, NGBE_GPIE_MSIX);
- if ((hw->sub_system_id & NGBE_OEM_MASK) == NGBE_LY_M88E1512_SFP ||
- (hw->sub_system_id & NGBE_OEM_MASK) == NGBE_LY_YT8521S_SFP) {
+ if (hw->gpio_ctl) {
/* gpio0 is used to power on/off control*/
wr32(hw, NGBE_GPIODIR, NGBE_GPIODIR_DDR(1));
wr32(hw, NGBE_GPIODATA, NGBE_GPIOBIT_0);
{
s32 status;
- DEBUGFUNC("ngbe_reset_hw_em");
-
/* Call adapter stop to disable tx/rx and clear interrupts */
status = hw->mac.stop_hw(hw);
if (status != 0)
{
u16 i = 0;
- DEBUGFUNC("ngbe_clear_hw_cntrs");
-
/* QP Stats */
/* don't write clear queue stats */
for (i = 0; i < NGBE_MAX_QP; i++) {
u32 rar_low;
u16 i;
- DEBUGFUNC("ngbe_get_mac_addr");
-
wr32(hw, NGBE_ETHADDRIDX, 0);
rar_high = rd32(hw, NGBE_ETHADDRH);
rar_low = rd32(hw, NGBE_ETHADDRL);
struct ngbe_bus_info *bus = &hw->bus;
u32 reg = 0;
- DEBUGFUNC("ngbe_set_lan_id_multi_port");
-
reg = rd32(hw, NGBE_PORTSTAT);
bus->lan_id = NGBE_PORTSTAT_ID(reg);
bus->func = bus->lan_id;
**/
s32 ngbe_stop_hw(struct ngbe_hw *hw)
{
- u32 reg_val;
u16 i;
-
- DEBUGFUNC("ngbe_stop_hw");
+ s32 status = 0;
/*
* Set the adapter_stopped flag so other driver functions stop touching
wr32(hw, NGBE_ICRMISC, NGBE_ICRMISC_MASK);
wr32(hw, NGBE_ICR(0), NGBE_ICR_MASK);
- /* Disable the transmit unit. Each queue must be disabled. */
- for (i = 0; i < hw->mac.max_tx_queues; i++)
- wr32(hw, NGBE_TXCFG(i), NGBE_TXCFG_FLUSH);
+ wr32(hw, NGBE_BMECTL, 0x3);
/* Disable the receive unit by stopping each queue */
- for (i = 0; i < hw->mac.max_rx_queues; i++) {
- reg_val = rd32(hw, NGBE_RXCFG(i));
- reg_val &= ~NGBE_RXCFG_ENA;
- wr32(hw, NGBE_RXCFG(i), reg_val);
- }
+ for (i = 0; i < hw->mac.max_rx_queues; i++)
+ wr32(hw, NGBE_RXCFG(i), 0);
+
+ /* flush all queues disables */
+ ngbe_flush(hw);
+ msec_delay(2);
+
+ /*
+ * Prevent the PCI-E bus from hanging by disabling PCI-E master
+ * access and verify no pending requests
+ */
+ status = ngbe_set_pcie_master(hw, false);
+ if (status)
+ return status;
+
+ /* Disable the transmit unit. Each queue must be disabled. */
+ for (i = 0; i < hw->mac.max_tx_queues; i++)
+ wr32(hw, NGBE_TXCFG(i), 0);
/* flush all queues disables */
ngbe_flush(hw);
return 0;
}
+/**
+ * ngbe_led_on - Turns on the software controllable LEDs.
+ * @hw: pointer to hardware structure
+ * @index: led number to turn on
+ **/
+s32 ngbe_led_on(struct ngbe_hw *hw, u32 index)
+{
+ u32 led_reg = rd32(hw, NGBE_LEDCTL);
+
+ if (index > 3)
+ return NGBE_ERR_PARAM;
+
+ /* To turn on the LED, set mode to ON. */
+ led_reg |= NGBE_LEDCTL_100M;
+ wr32(hw, NGBE_LEDCTL, led_reg);
+ ngbe_flush(hw);
+
+ return 0;
+}
+
+/**
+ * ngbe_led_off - Turns off the software controllable LEDs.
+ * @hw: pointer to hardware structure
+ * @index: led number to turn off
+ **/
+s32 ngbe_led_off(struct ngbe_hw *hw, u32 index)
+{
+ u32 led_reg = rd32(hw, NGBE_LEDCTL);
+
+ if (index > 3)
+ return NGBE_ERR_PARAM;
+
+ /* To turn off the LED, set mode to OFF. */
+ led_reg &= ~NGBE_LEDCTL_100M;
+ wr32(hw, NGBE_LEDCTL, led_reg);
+ ngbe_flush(hw);
+
+ return 0;
+}
+
/**
* ngbe_validate_mac_addr - Validate MAC address
* @mac_addr: pointer to MAC address.
{
s32 status = 0;
- DEBUGFUNC("ngbe_validate_mac_addr");
-
/* Make sure it is not a multicast address */
if (NGBE_IS_MULTICAST((struct rte_ether_addr *)mac_addr)) {
status = NGBE_ERR_INVALID_MAC_ADDR;
u32 rar_low, rar_high;
u32 rar_entries = hw->mac.num_rar_entries;
- DEBUGFUNC("ngbe_set_rar");
-
/* Make sure we are using a valid rar index range */
if (index >= rar_entries) {
- DEBUGOUT("RAR index %d is out of range.\n", index);
+ DEBUGOUT("RAR index %d is out of range.", index);
return NGBE_ERR_INVALID_ARGUMENT;
}
u32 rar_high;
u32 rar_entries = hw->mac.num_rar_entries;
- DEBUGFUNC("ngbe_clear_rar");
-
/* Make sure we are using a valid rar index range */
if (index >= rar_entries) {
- DEBUGOUT("RAR index %d is out of range.\n", index);
+ DEBUGOUT("RAR index %d is out of range.", index);
return NGBE_ERR_INVALID_ARGUMENT;
}
u32 psrctl;
u32 rar_entries = hw->mac.num_rar_entries;
- DEBUGFUNC("ngbe_init_rx_addrs");
-
/*
* If the current mac address is valid, assume it is a software override
* to the permanent address.
/* Get the MAC address from the RAR0 for later reference */
hw->mac.get_mac_addr(hw, hw->mac.addr);
- DEBUGOUT(" Keeping Current RAR0 Addr =%.2X %.2X %.2X ",
+ DEBUGOUT(" Keeping Current RAR0 Addr = "
+ RTE_ETHER_ADDR_PRT_FMT,
hw->mac.addr[0], hw->mac.addr[1],
- hw->mac.addr[2]);
- DEBUGOUT("%.2X %.2X %.2X\n", hw->mac.addr[3],
+ hw->mac.addr[2], hw->mac.addr[3],
hw->mac.addr[4], hw->mac.addr[5]);
} else {
/* Setup the receive address. */
- DEBUGOUT("Overriding MAC Address in RAR[0]\n");
- DEBUGOUT(" New MAC Addr =%.2X %.2X %.2X ",
+ DEBUGOUT("Overriding MAC Address in RAR[0]");
+ DEBUGOUT(" New MAC Addr = "
+ RTE_ETHER_ADDR_PRT_FMT,
hw->mac.addr[0], hw->mac.addr[1],
- hw->mac.addr[2]);
- DEBUGOUT("%.2X %.2X %.2X\n", hw->mac.addr[3],
+ hw->mac.addr[2], hw->mac.addr[3],
hw->mac.addr[4], hw->mac.addr[5]);
hw->mac.set_rar(hw, 0, hw->mac.addr, 0, true);
hw->mac.clear_vmdq(hw, 0, BIT_MASK32);
/* Zero out the other receive addresses. */
- DEBUGOUT("Clearing RAR[1-%d]\n", rar_entries - 1);
+ DEBUGOUT("Clearing RAR[1-%d]", rar_entries - 1);
for (i = 1; i < rar_entries; i++) {
wr32(hw, NGBE_ETHADDRIDX, i);
wr32(hw, NGBE_ETHADDRL, 0);
psrctl |= NGBE_PSRCTL_ADHF12(hw->mac.mc_filter_type);
wr32(hw, NGBE_PSRCTL, psrctl);
- DEBUGOUT(" Clearing MTA\n");
+ DEBUGOUT(" Clearing MTA");
for (i = 0; i < hw->mac.mcft_size; i++)
wr32(hw, NGBE_MCADDRTBL(i), 0);
{
u32 vector = 0;
- DEBUGFUNC("ngbe_mta_vector");
-
switch (hw->mac.mc_filter_type) {
case 0: /* use bits [47:36] of the address */
vector = ((mc_addr[4] >> 4) | (((u16)mc_addr[5]) << 4));
vector = ((mc_addr[4]) | (((u16)mc_addr[5]) << 8));
break;
default: /* Invalid mc_filter_type */
- DEBUGOUT("MC filter type param set incorrectly\n");
+ DEBUGOUT("MC filter type param set incorrectly");
ASSERT(0);
break;
}
u32 vector_bit;
u32 vector_reg;
- DEBUGFUNC("ngbe_set_mta");
-
hw->addr_ctrl.mta_in_use++;
vector = ngbe_mta_vector(hw, mc_addr);
- DEBUGOUT(" bit-vector = 0x%03X\n", vector);
+ DEBUGOUT(" bit-vector = 0x%03X", vector);
/*
* The MTA is a register array of 128 32-bit registers. It is treated
u32 i;
u32 vmdq;
- DEBUGFUNC("ngbe_update_mc_addr_list");
-
/*
* Set the new number of MC addresses that we are being requested to
* use.
/* Clear mta_shadow */
if (clear) {
- DEBUGOUT(" Clearing MTA\n");
+ DEBUGOUT(" Clearing MTA");
memset(&hw->mac.mta_shadow, 0, sizeof(hw->mac.mta_shadow));
}
/* Update mta_shadow */
for (i = 0; i < mc_addr_count; i++) {
- DEBUGOUT(" Adding the multicast addresses:\n");
+ DEBUGOUT(" Adding the multicast addresses:");
ngbe_set_mta(hw, next(hw, &mc_addr_list, &vmdq));
}
wr32(hw, NGBE_PSRCTL, psrctl);
}
- DEBUGOUT("ngbe update mc addr list complete\n");
+ DEBUGOUT("ngbe update mc addr list complete");
return 0;
}
+/**
+ * ngbe_setup_fc_em - Set up flow control
+ * @hw: pointer to hardware structure
+ *
+ * Called at init time to set up flow control.
+ **/
+s32 ngbe_setup_fc_em(struct ngbe_hw *hw)
+{
+ s32 err = 0;
+ u16 reg_cu = 0;
+
+ /* Validate the requested mode */
+ if (hw->fc.strict_ieee && hw->fc.requested_mode == ngbe_fc_rx_pause) {
+ DEBUGOUT("ngbe_fc_rx_pause not valid in strict IEEE mode");
+ err = NGBE_ERR_INVALID_LINK_SETTINGS;
+ goto out;
+ }
+
+ /*
+ * 1gig 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 == ngbe_fc_default)
+ hw->fc.requested_mode = ngbe_fc_full;
+
+ /*
+ * 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 ngbe_fc_none:
+ /* Flow control completely disabled by software override. */
+ break;
+ case ngbe_fc_tx_pause:
+ /*
+ * Tx Flow control is enabled, and Rx Flow control is
+ * disabled by software override.
+ */
+ if (hw->phy.type == ngbe_phy_mvl_sfi ||
+ hw->phy.type == ngbe_phy_yt8521s_sfi)
+ reg_cu |= MVL_FANA_ASM_PAUSE;
+ else
+ reg_cu |= 0x800; /*need to merge rtl and mvl on page 0*/
+ break;
+ case ngbe_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 ngbe_fc_full:
+ /* Flow control (both Rx and Tx) is enabled by SW override. */
+ if (hw->phy.type == ngbe_phy_mvl_sfi ||
+ hw->phy.type == ngbe_phy_yt8521s_sfi)
+ reg_cu |= MVL_FANA_SYM_PAUSE;
+ else
+ reg_cu |= 0xC00; /*need to merge rtl and mvl on page 0*/
+ break;
+ default:
+ DEBUGOUT("Flow control param set incorrectly");
+ err = NGBE_ERR_CONFIG;
+ goto out;
+ }
+
+ err = hw->phy.set_pause_adv(hw, reg_cu);
+
+out:
+ return err;
+}
+
+/**
+ * ngbe_fc_enable - Enable flow control
+ * @hw: pointer to hardware structure
+ *
+ * Enable flow control according to the current settings.
+ **/
+s32 ngbe_fc_enable(struct ngbe_hw *hw)
+{
+ s32 err = 0;
+ u32 mflcn_reg, fccfg_reg;
+ u32 pause_time;
+ u32 fcrtl, fcrth;
+
+ /* Validate the water mark configuration */
+ if (!hw->fc.pause_time) {
+ err = NGBE_ERR_INVALID_LINK_SETTINGS;
+ goto out;
+ }
+
+ /* Low water mark of zero causes XOFF floods */
+ if ((hw->fc.current_mode & ngbe_fc_tx_pause) && hw->fc.high_water) {
+ if (!hw->fc.low_water ||
+ hw->fc.low_water >= hw->fc.high_water) {
+ DEBUGOUT("Invalid water mark configuration");
+ err = NGBE_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, NGBE_RXFCCFG);
+ mflcn_reg &= ~NGBE_RXFCCFG_FC;
+
+ fccfg_reg = rd32(hw, NGBE_TXFCCFG);
+ fccfg_reg &= ~NGBE_TXFCCFG_FC;
+ /*
+ * 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 ngbe_fc_none:
+ /*
+ * Flow control is disabled by software override or autoneg.
+ * The code below will actually disable it in the HW.
+ */
+ break;
+ case ngbe_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 |= NGBE_RXFCCFG_FC;
+ break;
+ case ngbe_fc_tx_pause:
+ /*
+ * Tx Flow control is enabled, and Rx Flow control is
+ * disabled by software override.
+ */
+ fccfg_reg |= NGBE_TXFCCFG_FC;
+ break;
+ case ngbe_fc_full:
+ /* Flow control (both Rx and Tx) is enabled by SW override. */
+ mflcn_reg |= NGBE_RXFCCFG_FC;
+ fccfg_reg |= NGBE_TXFCCFG_FC;
+ break;
+ default:
+ DEBUGOUT("Flow control param set incorrectly");
+ err = NGBE_ERR_CONFIG;
+ goto out;
+ }
+
+ /* Set 802.3x based flow control settings. */
+ wr32(hw, NGBE_RXFCCFG, mflcn_reg);
+ wr32(hw, NGBE_TXFCCFG, fccfg_reg);
+
+ /* Set up and enable Rx high/low water mark thresholds, enable XON. */
+ if ((hw->fc.current_mode & ngbe_fc_tx_pause) &&
+ hw->fc.high_water) {
+ fcrtl = NGBE_FCWTRLO_TH(hw->fc.low_water) |
+ NGBE_FCWTRLO_XON;
+ fcrth = NGBE_FCWTRHI_TH(hw->fc.high_water) |
+ NGBE_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, NGBE_PBRXSIZE) - 24576;
+ }
+ wr32(hw, NGBE_FCWTRLO, fcrtl);
+ wr32(hw, NGBE_FCWTRHI, fcrth);
+
+ /* Configure pause time */
+ pause_time = NGBE_RXFCFSH_TIME(hw->fc.pause_time);
+ wr32(hw, NGBE_FCXOFFTM, pause_time * 0x00010000);
+
+ /* Configure flow control refresh threshold value */
+ wr32(hw, NGBE_RXFCRFSH, hw->fc.pause_time / 2);
+
+out:
+ return err;
+}
+
+/**
+ * ngbe_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 ngbe_negotiate_fc(struct ngbe_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",
+ adv_reg, lp_reg);
+ return NGBE_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 == ngbe_fc_full) {
+ hw->fc.current_mode = ngbe_fc_full;
+ DEBUGOUT("Flow Control = FULL.");
+ } else {
+ hw->fc.current_mode = ngbe_fc_rx_pause;
+ DEBUGOUT("Flow Control=RX PAUSE frames only");
+ }
+ } else if (!(adv_reg & adv_sym) && (adv_reg & adv_asm) &&
+ (lp_reg & lp_sym) && (lp_reg & lp_asm)) {
+ hw->fc.current_mode = ngbe_fc_tx_pause;
+ DEBUGOUT("Flow Control = TX PAUSE frames only.");
+ } else if ((adv_reg & adv_sym) && (adv_reg & adv_asm) &&
+ !(lp_reg & lp_sym) && (lp_reg & lp_asm)) {
+ hw->fc.current_mode = ngbe_fc_rx_pause;
+ DEBUGOUT("Flow Control = RX PAUSE frames only.");
+ } else {
+ hw->fc.current_mode = ngbe_fc_none;
+ DEBUGOUT("Flow Control = NONE.");
+ }
+ return 0;
+}
+
+/**
+ * ngbe_fc_autoneg_em - Enable flow control IEEE clause 37
+ * @hw: pointer to hardware structure
+ *
+ * Enable flow control according to IEEE clause 37.
+ **/
+STATIC s32 ngbe_fc_autoneg_em(struct ngbe_hw *hw)
+{
+ u8 technology_ability_reg = 0;
+ u8 lp_technology_ability_reg = 0;
+
+ hw->phy.get_adv_pause(hw, &technology_ability_reg);
+ hw->phy.get_lp_adv_pause(hw, &lp_technology_ability_reg);
+
+ return ngbe_negotiate_fc(hw, (u32)technology_ability_reg,
+ (u32)lp_technology_ability_reg,
+ NGBE_TAF_SYM_PAUSE, NGBE_TAF_ASM_PAUSE,
+ NGBE_TAF_SYM_PAUSE, NGBE_TAF_ASM_PAUSE);
+}
+
+/**
+ * ngbe_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 ngbe_fc_autoneg(struct ngbe_hw *hw)
+{
+ s32 err = NGBE_ERR_FC_NOT_NEGOTIATED;
+ u32 speed;
+ bool link_up;
+
+ /*
+ * 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;
+ }
+
+ err = ngbe_fc_autoneg_em(hw);
+
+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;
+ }
+}
+
+/**
+ * ngbe_set_pcie_master - Disable or Enable PCI-express master access
+ * @hw: pointer to hardware structure
+ *
+ * Disables PCI-Express master access and verifies there are no pending
+ * requests. NGBE_ERR_MASTER_REQUESTS_PENDING is returned if master disable
+ * bit hasn't caused the master requests to be disabled, else 0
+ * is returned signifying master requests disabled.
+ **/
+s32 ngbe_set_pcie_master(struct ngbe_hw *hw, bool enable)
+{
+ s32 status = 0;
+ u16 addr = 0x04;
+ u32 data, i;
+
+ ngbe_hic_pcie_read(hw, addr, &data, 4);
+ if (enable)
+ data |= 0x04;
+ else
+ data &= ~0x04;
+
+ ngbe_hic_pcie_write(hw, addr, &data, 4);
+
+ if (enable)
+ goto out;
+
+ /* Exit if master requests are blocked */
+ if (!(rd32(hw, NGBE_BMEPEND)) ||
+ NGBE_REMOVED(hw->hw_addr))
+ goto out;
+
+ /* Poll for master request bit to clear */
+ for (i = 0; i < NGBE_PCI_MASTER_DISABLE_TIMEOUT; i++) {
+ usec_delay(100);
+ if (!(rd32(hw, NGBE_BMEPEND)))
+ goto out;
+ }
+
+ DEBUGOUT("PCIe transaction pending bit also did not clear.");
+ status = NGBE_ERR_MASTER_REQUESTS_PENDING;
+
+out:
+ return status;
+}
+
/**
* ngbe_acquire_swfw_sync - Acquire SWFW semaphore
* @hw: pointer to hardware structure
s32 ngbe_acquire_swfw_sync(struct ngbe_hw *hw, u32 mask)
{
u32 mngsem = 0;
+ u32 fwsm = 0;
u32 swmask = NGBE_MNGSEM_SW(mask);
u32 fwmask = NGBE_MNGSEM_FW(mask);
u32 timeout = 200;
u32 i;
- DEBUGFUNC("ngbe_acquire_swfw_sync");
-
for (i = 0; i < timeout; i++) {
/*
* SW NVM semaphore bit is used for access to all
}
}
- /* If time expired clear the bits holding the lock and retry */
- if (mngsem & (fwmask | swmask))
- ngbe_release_swfw_sync(hw, mngsem & (fwmask | swmask));
+ fwsm = rd32(hw, NGBE_MNGFWSYNC);
+ DEBUGOUT("SWFW semaphore not granted: MNG_SWFW_SYNC = 0x%x, MNG_FW_SM = 0x%x",
+ mngsem, fwsm);
msec_delay(5);
return NGBE_ERR_SWFW_SYNC;
u32 mngsem;
u32 swmask = mask;
- DEBUGFUNC("ngbe_release_swfw_sync");
-
ngbe_get_eeprom_semaphore(hw);
mngsem = rd32(hw, NGBE_MNGSEM);
int i;
u32 secrxreg;
- DEBUGFUNC("ngbe_disable_sec_rx_path");
-
-
secrxreg = rd32(hw, NGBE_SECRXCTL);
secrxreg |= NGBE_SECRXCTL_XDSA;
wr32(hw, NGBE_SECRXCTL, secrxreg);
/* For informational purposes only */
if (i >= NGBE_MAX_SECRX_POLL)
- DEBUGOUT("Rx unit being enabled before security "
- "path fully disabled. Continuing with init.\n");
+ DEBUGOUT("Rx unit being enabled before security path fully disabled. Continuing with init.");
return 0;
}
{
u32 secrxreg;
- DEBUGFUNC("ngbe_enable_sec_rx_path");
-
secrxreg = rd32(hw, NGBE_SECRXCTL);
secrxreg &= ~NGBE_SECRXCTL_XDSA;
wr32(hw, NGBE_SECRXCTL, secrxreg);
u32 mpsar;
u32 rar_entries = hw->mac.num_rar_entries;
- DEBUGFUNC("ngbe_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);
+ DEBUGOUT("RAR index %d is out of range.", rar);
return NGBE_ERR_INVALID_ARGUMENT;
}
u32 mpsar;
u32 rar_entries = hw->mac.num_rar_entries;
- DEBUGFUNC("ngbe_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);
+ DEBUGOUT("RAR index %d is out of range.", rar);
return NGBE_ERR_INVALID_ARGUMENT;
}
{
int i;
- DEBUGFUNC("ngbe_init_uta_tables");
- DEBUGOUT(" Clearing UTA\n");
+ DEBUGOUT(" Clearing UTA");
for (i = 0; i < 128; i++)
wr32(hw, NGBE_UCADDRTBL(i), 0);
return 0;
}
+/**
+ * ngbe_find_vlvf_slot - find the vlanid or the first empty slot
+ * @hw: pointer to hardware structure
+ * @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
+ *
+ **/
+s32 ngbe_find_vlvf_slot(struct ngbe_hw *hw, u32 vlan, bool vlvf_bypass)
+{
+ s32 regindex, first_empty_slot;
+ u32 bits;
+
+ /* short cut the special case */
+ if (vlan == 0)
+ return 0;
+
+ /* 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
+ */
+ first_empty_slot = vlvf_bypass ? NGBE_ERR_NO_SPACE : 0;
+
+ /* add VLAN enable bit for comparison */
+ vlan |= NGBE_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 (NGBE_NUM_POOL - 1) .. 1
+ */
+ for (regindex = NGBE_NUM_POOL; --regindex;) {
+ wr32(hw, NGBE_PSRVLANIDX, regindex);
+ bits = rd32(hw, NGBE_PSRVLAN);
+ if (bits == vlan)
+ return regindex;
+ if (!first_empty_slot && !bits)
+ first_empty_slot = regindex;
+ }
+
+ /* 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.");
+
+ return first_empty_slot ? first_empty_slot : NGBE_ERR_NO_SPACE;
+}
+
+/**
+ * ngbe_set_vfta - Set VLAN filter table
+ * @hw: pointer to hardware structure
+ * @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
+ *
+ * Turn on/off specified VLAN in the VLAN filter table.
+ **/
+s32 ngbe_set_vfta(struct ngbe_hw *hw, u32 vlan, u32 vind,
+ bool vlan_on, bool vlvf_bypass)
+{
+ u32 regidx, vfta_delta, vfta;
+ s32 err;
+
+ if (vlan > 4095 || vind > 63)
+ return NGBE_ERR_PARAM;
+
+ /*
+ * 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.
+ */
+
+ /* 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, NGBE_VLANTBL(regidx));
+
+ /*
+ * 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
+ */
+ vfta_delta &= vlan_on ? ~vfta : vfta;
+ vfta ^= vfta_delta;
+
+ /* Part 2
+ * Call ngbe_set_vlvf to set VLVFB and VLVF
+ */
+ err = ngbe_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, NGBE_VLANTBL(regidx), vfta);
+
+ return 0;
+}
+
+/**
+ * ngbe_set_vlvf - Set VLAN Pool Filter
+ * @hw: pointer to hardware structure
+ * @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
+ *
+ * Turn on/off specified bit in VLVF table.
+ **/
+s32 ngbe_set_vlvf(struct ngbe_hw *hw, u32 vlan, u32 vind,
+ bool vlan_on, u32 *vfta_delta, u32 vfta,
+ bool vlvf_bypass)
+{
+ u32 bits;
+ u32 portctl;
+ s32 vlvf_index;
+
+ if (vlan > 4095 || vind > 63)
+ return NGBE_ERR_PARAM;
+
+ /* 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, NGBE_PORTCTL);
+ if (!(portctl & NGBE_PORTCTL_NUMVT_MASK))
+ return 0;
+
+ vlvf_index = ngbe_find_vlvf_slot(hw, vlan, vlvf_bypass);
+ if (vlvf_index < 0)
+ return vlvf_index;
+
+ wr32(hw, NGBE_PSRVLANIDX, vlvf_index);
+ bits = rd32(hw, NGBE_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, NGBE_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, NGBE_PSRVLANPLM(vlan / 32), vfta);
+
+ /* disable VLVF and clear remaining bit from pool */
+ wr32(hw, NGBE_PSRVLAN, 0);
+ wr32(hw, NGBE_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, NGBE_PSRVLANPLM(vind / 32), bits);
+ wr32(hw, NGBE_PSRVLAN, NGBE_PSRVLAN_EA | vlan);
+
+ return 0;
+}
+
/**
* ngbe_clear_vfta - Clear VLAN filter table
* @hw: pointer to hardware structure
{
u32 offset;
- DEBUGFUNC("ngbe_clear_vfta");
-
for (offset = 0; offset < hw->mac.vft_size; offset++)
wr32(hw, NGBE_VLANTBL(offset), 0);
u32 i, reg;
s32 status = 0;
- DEBUGFUNC("ngbe_check_mac_link_em");
-
reg = rd32(hw, NGBE_GPIOINTSTAT);
wr32(hw, NGBE_GPIOEOI, reg);
bool *autoneg)
{
s32 status = 0;
-
- DEBUGFUNC("\n");
+ u16 value = 0;
hw->mac.autoneg = *autoneg;
- switch (hw->sub_device_id) {
- case NGBE_SUB_DEV_ID_EM_RTL_SGMII:
+ if (hw->phy.type == ngbe_phy_rtl) {
*speed = NGBE_LINK_SPEED_1GB_FULL |
NGBE_LINK_SPEED_100M_FULL |
NGBE_LINK_SPEED_10M_FULL;
- break;
- default:
- break;
+ }
+
+ if (hw->phy.type == ngbe_phy_yt8521s_sfi) {
+ ngbe_read_phy_reg_ext_yt(hw, YT_CHIP, 0, &value);
+ if ((value & YT_CHIP_MODE_MASK) == YT_CHIP_MODE_SEL(1))
+ *speed = NGBE_LINK_SPEED_1GB_FULL;
}
return status;
{
s32 status;
- DEBUGFUNC("\n");
-
/* Setup the PHY according to input speed */
status = hw->phy.setup_link(hw, speed, autoneg_wait_to_complete);
wr32(hw, NGBE_POOLTXASMAC, pfvfspoof);
}
+/**
+ * ngbe_set_pba - Initialize Rx packet buffer
+ * @hw: pointer to hardware structure
+ * @headroom: reserve n KB of headroom
+ **/
+void ngbe_set_pba(struct ngbe_hw *hw)
+{
+ u32 rxpktsize = hw->mac.rx_pb_size;
+ u32 txpktsize, txpbthresh;
+
+ /* Reserve 256 KB of headroom */
+ rxpktsize -= 256;
+
+ rxpktsize <<= 10;
+ wr32(hw, NGBE_PBRXSIZE, rxpktsize);
+
+ /* Only support an equally distributed Tx packet buffer strategy. */
+ txpktsize = NGBE_PBTXSIZE_MAX;
+ txpbthresh = (txpktsize / 1024) - NGBE_TXPKT_SIZE_MAX;
+
+ wr32(hw, NGBE_PBTXSIZE, txpktsize);
+ wr32(hw, NGBE_PBTXDMATH, txpbthresh);
+}
+
/**
* ngbe_set_vlan_anti_spoofing - Enable/Disable VLAN anti-spoofing
* @hw: pointer to hardware structure
{
struct ngbe_thermal_sensor_data *data = &hw->mac.thermal_sensor_data;
- DEBUGFUNC("ngbe_init_thermal_sensor_thresh");
-
memset(data, 0, sizeof(struct ngbe_thermal_sensor_data));
if (hw->bus.lan_id != 0)
s32 status = 0;
u32 ts_state;
- DEBUGFUNC("ngbe_mac_check_overtemp");
-
/* Check that the LASI temp alarm status was triggered */
ts_state = rd32(hw, NGBE_TSALM);
{
s32 err = 0;
- DEBUGFUNC("ngbe_set_mac_type");
-
if (hw->vendor_id != PCI_VENDOR_ID_WANGXUN) {
DEBUGOUT("Unsupported vendor id: %x", hw->vendor_id);
return NGBE_ERR_DEVICE_NOT_SUPPORTED;
case NGBE_SUB_DEV_ID_EM_MVL_RGMII:
hw->phy.media_type = ngbe_media_type_copper;
hw->mac.type = ngbe_mac_em;
+ hw->mac.link_type = ngbe_link_copper;
+ break;
+ case NGBE_SUB_DEV_ID_EM_RTL_YT8521S_SFP:
+ hw->phy.media_type = ngbe_media_type_copper;
+ hw->mac.type = ngbe_mac_em;
+ hw->mac.link_type = ngbe_link_fiber;
break;
case NGBE_SUB_DEV_ID_EM_MVL_SFP:
case NGBE_SUB_DEV_ID_EM_YT8521S_SFP:
hw->phy.media_type = ngbe_media_type_fiber;
hw->mac.type = ngbe_mac_em;
+ hw->mac.link_type = ngbe_link_fiber;
+ break;
+ case NGBE_SUB_DEV_ID_EM_MVL_MIX:
+ hw->phy.media_type = ngbe_media_type_unknown;
+ hw->mac.type = ngbe_mac_em;
+ hw->mac.link_type = ngbe_link_type_unknown;
break;
case NGBE_SUB_DEV_ID_EM_VF:
hw->phy.media_type = ngbe_media_type_virtual;
break;
}
- DEBUGOUT("found mac: %d media: %d, returns: %d\n",
+ DEBUGOUT("found mac: %d media: %d, returns: %d",
hw->mac.type, hw->phy.media_type, err);
return err;
}
**/
s32 ngbe_enable_rx_dma(struct ngbe_hw *hw, u32 regval)
{
- DEBUGFUNC("ngbe_enable_rx_dma");
-
/*
* Workaround silicon errata when enabling the Rx datapath.
* If traffic is incoming before we enable the Rx unit, it could hang
* the Rx DMA unit. Therefore, make sure the security engine is
* completely disabled prior to enabling the Rx unit.
*/
-
hw->mac.disable_sec_rx_path(hw);
if (regval & NGBE_PBRXCTL_ENA)
void ngbe_map_device_id(struct ngbe_hw *hw)
{
u16 oem = hw->sub_system_id & NGBE_OEM_MASK;
- u16 internal = hw->sub_system_id & NGBE_INTERNAL_MASK;
+
hw->is_pf = true;
/* move subsystem_device_id to device_id */
case NGBE_DEV_ID_EM_WX1860A1:
case NGBE_DEV_ID_EM_WX1860A1L:
hw->device_id = NGBE_DEV_ID_EM;
- if (oem == NGBE_LY_M88E1512_SFP ||
- internal == NGBE_INTERNAL_SFP)
+ if (oem == NGBE_M88E1512_SFP || oem == NGBE_LY_M88E1512_SFP)
hw->sub_device_id = NGBE_SUB_DEV_ID_EM_MVL_SFP;
- else if (hw->sub_system_id == NGBE_SUB_DEV_ID_EM_M88E1512_RJ45)
+ else if (oem == NGBE_M88E1512_RJ45 ||
+ (hw->sub_system_id == NGBE_SUB_DEV_ID_EM_M88E1512_RJ45))
hw->sub_device_id = NGBE_SUB_DEV_ID_EM_MVL_RGMII;
+ else if (oem == NGBE_M88E1512_MIX)
+ hw->sub_device_id = NGBE_SUB_DEV_ID_EM_MVL_MIX;
else if (oem == NGBE_YT8521S_SFP ||
- oem == NGBE_LY_YT8521S_SFP)
+ oem == NGBE_YT8521S_SFP_GPIO ||
+ oem == NGBE_LY_YT8521S_SFP)
hw->sub_device_id = NGBE_SUB_DEV_ID_EM_YT8521S_SFP;
+ else if (oem == NGBE_INTERNAL_YT8521S_SFP ||
+ oem == NGBE_INTERNAL_YT8521S_SFP_GPIO)
+ hw->sub_device_id = NGBE_SUB_DEV_ID_EM_RTL_YT8521S_SFP;
else
hw->sub_device_id = NGBE_SUB_DEV_ID_EM_RTL_SGMII;
break;
default:
break;
}
+
+ if (oem == NGBE_LY_M88E1512_SFP || oem == NGBE_YT8521S_SFP_GPIO ||
+ oem == NGBE_INTERNAL_YT8521S_SFP_GPIO ||
+ oem == NGBE_LY_YT8521S_SFP)
+ hw->gpio_ctl = true;
}
/**
struct ngbe_rom_info *rom = &hw->rom;
struct ngbe_mbx_info *mbx = &hw->mbx;
- DEBUGFUNC("ngbe_init_ops_pf");
-
/* BUS */
bus->set_lan_id = ngbe_set_lan_id_multi_port;
phy->read_reg_unlocked = ngbe_read_phy_reg_mdi;
phy->write_reg_unlocked = ngbe_write_phy_reg_mdi;
phy->reset_hw = ngbe_reset_phy;
+ phy->led_oem_chk = ngbe_phy_led_oem_chk;
/* MAC */
mac->init_hw = ngbe_init_hw;
mac->disable_sec_rx_path = ngbe_disable_sec_rx_path;
mac->enable_sec_rx_path = ngbe_enable_sec_rx_path;
+
+ /* LEDs */
+ mac->led_on = ngbe_led_on;
+ mac->led_off = ngbe_led_off;
+
/* RAR, VLAN, Multicast */
mac->set_rar = ngbe_set_rar;
mac->clear_rar = ngbe_clear_rar;
mac->update_mc_addr_list = ngbe_update_mc_addr_list;
mac->set_vmdq = ngbe_set_vmdq;
mac->clear_vmdq = ngbe_clear_vmdq;
+ mac->set_vfta = ngbe_set_vfta;
+ mac->set_vlvf = ngbe_set_vlvf;
mac->clear_vfta = ngbe_clear_vfta;
mac->set_mac_anti_spoofing = ngbe_set_mac_anti_spoofing;
mac->set_vlan_anti_spoofing = ngbe_set_vlan_anti_spoofing;
+ /* Flow Control */
+ mac->fc_enable = ngbe_fc_enable;
+ mac->fc_autoneg = ngbe_fc_autoneg;
+ mac->setup_fc = ngbe_setup_fc_em;
+
/* Link */
mac->get_link_capabilities = ngbe_get_link_capabilities_em;
mac->check_link = ngbe_check_mac_link_em;
mac->setup_link = ngbe_setup_mac_link_em;
+ mac->setup_pba = ngbe_set_pba;
+
/* Manageability interface */
mac->init_thermal_sensor_thresh = ngbe_init_thermal_sensor_thresh;
mac->check_overtemp = ngbe_mac_check_overtemp;
mbx->init_params = ngbe_init_mbx_params_pf;
+ mbx->read = ngbe_read_mbx_pf;
+ mbx->write = ngbe_write_mbx_pf;
+ mbx->check_for_msg = ngbe_check_for_msg_pf;
+ mbx->check_for_ack = ngbe_check_for_ack_pf;
+ mbx->check_for_rst = ngbe_check_for_rst_pf;
/* EEPROM */
rom->init_params = ngbe_init_eeprom_params;
+ rom->readw_buffer = ngbe_ee_readw_buffer;
rom->read32 = ngbe_ee_read32;
+ rom->writew_buffer = ngbe_ee_writew_buffer;
rom->validate_checksum = ngbe_validate_eeprom_checksum_em;
mac->mcft_size = NGBE_EM_MC_TBL_SIZE;
mac->vft_size = NGBE_EM_VFT_TBL_SIZE;
mac->num_rar_entries = NGBE_EM_RAR_ENTRIES;
+ mac->rx_pb_size = NGBE_EM_RX_PB_SIZE;
mac->max_rx_queues = NGBE_EM_MAX_RX_QUEUES;
mac->max_tx_queues = NGBE_EM_MAX_TX_QUEUES;
{
s32 status = 0;
- DEBUGFUNC("ngbe_init_shared_code");
-
/*
* Set the mac type
*/