#define TXGBE_RAPTOR_MAX_TX_QUEUES 128
#define TXGBE_RAPTOR_MAX_RX_QUEUES 128
#define TXGBE_RAPTOR_RAR_ENTRIES 128
+#define TXGBE_RAPTOR_MC_TBL_SIZE 128
static s32 txgbe_setup_copper_link_raptor(struct txgbe_hw *hw,
u32 speed,
bool autoneg_wait_to_complete);
+static s32 txgbe_mta_vector(struct txgbe_hw *hw, u8 *mc_addr);
+static s32 txgbe_get_san_mac_addr_offset(struct txgbe_hw *hw,
+ u16 *san_mac_offset);
+
+/**
+ * txgbe_start_hw - Prepare hardware for Tx/Rx
+ * @hw: pointer to hardware structure
+ *
+ * Starts the hardware by filling the bus info structure and media type, clears
+ * all on chip counters, initializes receive address registers, multicast
+ * table, VLAN filter table, calls routine to set up link and flow control
+ * settings, and leaves transmit and receive units disabled and uninitialized
+ **/
+s32 txgbe_start_hw(struct txgbe_hw *hw)
+{
+ u16 device_caps;
+
+ DEBUGFUNC("txgbe_start_hw");
+
+ /* Set the media type */
+ hw->phy.media_type = hw->phy.get_media_type(hw);
+
+ /* Clear statistics registers */
+ hw->mac.clear_hw_cntrs(hw);
+
+ /* Cache bit indicating need for crosstalk fix */
+ switch (hw->mac.type) {
+ case txgbe_mac_raptor:
+ hw->mac.get_device_caps(hw, &device_caps);
+ if (device_caps & TXGBE_DEVICE_CAPS_NO_CROSSTALK_WR)
+ hw->need_crosstalk_fix = false;
+ else
+ hw->need_crosstalk_fix = true;
+ break;
+ default:
+ hw->need_crosstalk_fix = false;
+ break;
+ }
+
+ /* Clear adapter stopped flag */
+ hw->adapter_stopped = false;
+
+ return 0;
+}
+
+/**
+ * txgbe_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.
+ **/
+s32 txgbe_start_hw_gen2(struct txgbe_hw *hw)
+{
+ u32 i;
+
+ /* Clear the rate limiters */
+ for (i = 0; i < hw->mac.max_tx_queues; i++) {
+ wr32(hw, TXGBE_ARBPOOLIDX, i);
+ wr32(hw, TXGBE_ARBTXRATE, 0);
+ }
+ txgbe_flush(hw);
+
+ /* We need to run link autotry after the driver loads */
+ hw->mac.autotry_restart = true;
+
+ return 0;
+}
+
/**
* txgbe_init_hw - Generic hardware initialization
* @hw: pointer to hardware structure
return status;
}
+/**
+ * txgbe_get_mac_addr - Generic get MAC address
+ * @hw: pointer to hardware structure
+ * @mac_addr: Adapter MAC address
+ *
+ * Reads the adapter's MAC address from first Receive Address Register (RAR0)
+ * A reset of the adapter must be performed prior to calling this function
+ * in order for the MAC address to have been loaded from the EEPROM into RAR0
+ **/
+s32 txgbe_get_mac_addr(struct txgbe_hw *hw, u8 *mac_addr)
+{
+ u32 rar_high;
+ u32 rar_low;
+ u16 i;
+
+ DEBUGFUNC("txgbe_get_mac_addr");
+
+ wr32(hw, TXGBE_ETHADDRIDX, 0);
+ rar_high = rd32(hw, TXGBE_ETHADDRH);
+ rar_low = rd32(hw, TXGBE_ETHADDRL);
+
+ for (i = 0; i < 2; i++)
+ mac_addr[i] = (u8)(rar_high >> (1 - i) * 8);
+
+ for (i = 0; i < 4; i++)
+ mac_addr[i + 2] = (u8)(rar_low >> (3 - i) * 8);
+
+ return 0;
+}
/**
* txgbe_set_lan_id_multi_port - Set LAN id for PCIe multiple port devices
bus->func = bus->lan_id;
}
+/**
+ * txgbe_stop_hw - Generic stop Tx/Rx units
+ * @hw: pointer to hardware structure
+ *
+ * Sets the adapter_stopped flag within txgbe_hw struct. Clears interrupts,
+ * disables transmit and receive units. The adapter_stopped flag is used by
+ * the shared code and drivers to determine if the adapter is in a stopped
+ * state and should not touch the hardware.
+ **/
+s32 txgbe_stop_hw(struct txgbe_hw *hw)
+{
+ u32 reg_val;
+ u16 i;
+
+ DEBUGFUNC("txgbe_stop_hw");
+
+ /*
+ * Set the adapter_stopped flag so other driver functions stop touching
+ * the hardware
+ */
+ hw->adapter_stopped = true;
+
+ /* Disable the receive unit */
+ txgbe_disable_rx(hw);
+
+ /* Clear interrupt mask to stop interrupts from being generated */
+ wr32(hw, TXGBE_IENMISC, 0);
+ wr32(hw, TXGBE_IMS(0), TXGBE_IMS_MASK);
+ wr32(hw, TXGBE_IMS(1), TXGBE_IMS_MASK);
+
+ /* Clear any pending interrupts, flush previous writes */
+ wr32(hw, TXGBE_ICRMISC, TXGBE_ICRMISC_MASK);
+ wr32(hw, TXGBE_ICR(0), TXGBE_ICR_MASK);
+ wr32(hw, TXGBE_ICR(1), TXGBE_ICR_MASK);
+
+ /* Disable the transmit unit. Each queue must be disabled. */
+ for (i = 0; i < hw->mac.max_tx_queues; i++)
+ wr32(hw, TXGBE_TXCFG(i), TXGBE_TXCFG_FLUSH);
+
+ /* Disable the receive unit by stopping each queue */
+ for (i = 0; i < hw->mac.max_rx_queues; i++) {
+ reg_val = rd32(hw, TXGBE_RXCFG(i));
+ reg_val &= ~TXGBE_RXCFG_ENA;
+ wr32(hw, TXGBE_RXCFG(i), reg_val);
+ }
+
+ /* flush all queues disables */
+ txgbe_flush(hw);
+ msec_delay(2);
+
+ return 0;
+}
+
/**
* txgbe_validate_mac_addr - Validate MAC address
* @mac_addr: pointer to MAC address.
return status;
}
+/**
+ * txgbe_set_rar - Set Rx address register
+ * @hw: pointer to hardware structure
+ * @index: Receive address register to write
+ * @addr: Address to put into receive address register
+ * @vmdq: VMDq "set" or "pool" index
+ * @enable_addr: set flag that address is active
+ *
+ * Puts an ethernet address into a receive address register.
+ **/
+s32 txgbe_set_rar(struct txgbe_hw *hw, u32 index, u8 *addr, u32 vmdq,
+ u32 enable_addr)
+{
+ u32 rar_low, rar_high;
+ u32 rar_entries = hw->mac.num_rar_entries;
+
+ DEBUGFUNC("txgbe_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);
+ return TXGBE_ERR_INVALID_ARGUMENT;
+ }
+
+ /* setup VMDq pool selection before this RAR gets enabled */
+ hw->mac.set_vmdq(hw, index, vmdq);
+
+ /*
+ * HW expects these in little endian so we reverse the byte
+ * order from network order (big endian) to little endian
+ */
+ rar_low = TXGBE_ETHADDRL_AD0(addr[5]) |
+ TXGBE_ETHADDRL_AD1(addr[4]) |
+ TXGBE_ETHADDRL_AD2(addr[3]) |
+ TXGBE_ETHADDRL_AD3(addr[2]);
+ /*
+ * 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 = rd32(hw, TXGBE_ETHADDRH);
+ rar_high &= ~TXGBE_ETHADDRH_AD_MASK;
+ rar_high |= (TXGBE_ETHADDRH_AD4(addr[1]) |
+ TXGBE_ETHADDRH_AD5(addr[0]));
+
+ rar_high &= ~TXGBE_ETHADDRH_VLD;
+ if (enable_addr != 0)
+ rar_high |= TXGBE_ETHADDRH_VLD;
+
+ wr32(hw, TXGBE_ETHADDRIDX, index);
+ wr32(hw, TXGBE_ETHADDRL, rar_low);
+ wr32(hw, TXGBE_ETHADDRH, rar_high);
+
+ return 0;
+}
+
+/**
+ * txgbe_clear_rar - Remove Rx address register
+ * @hw: pointer to hardware structure
+ * @index: Receive address register to write
+ *
+ * Clears an ethernet address from a receive address register.
+ **/
+s32 txgbe_clear_rar(struct txgbe_hw *hw, u32 index)
+{
+ u32 rar_high;
+ u32 rar_entries = hw->mac.num_rar_entries;
+
+ DEBUGFUNC("txgbe_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);
+ return TXGBE_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.
+ */
+ wr32(hw, TXGBE_ETHADDRIDX, index);
+ rar_high = rd32(hw, TXGBE_ETHADDRH);
+ rar_high &= ~(TXGBE_ETHADDRH_AD_MASK | TXGBE_ETHADDRH_VLD);
+
+ wr32(hw, TXGBE_ETHADDRL, 0);
+ wr32(hw, TXGBE_ETHADDRH, rar_high);
+
+ /* clear VMDq pool/queue selection for this RAR */
+ hw->mac.clear_vmdq(hw, index, BIT_MASK32);
+
+ return 0;
+}
+
+/**
+ * txgbe_init_rx_addrs - Initializes receive address filters.
+ * @hw: pointer to hardware structure
+ *
+ * Places the MAC address in receive address register 0 and clears the rest
+ * of the receive address registers. Clears the multicast table. Assumes
+ * the receiver is in reset when the routine is called.
+ **/
+s32 txgbe_init_rx_addrs(struct txgbe_hw *hw)
+{
+ u32 i;
+ u32 psrctl;
+ u32 rar_entries = hw->mac.num_rar_entries;
+
+ DEBUGFUNC("txgbe_init_rx_addrs");
+
+ /*
+ * If the current mac address is valid, assume it is a software override
+ * to the permanent address.
+ * Otherwise, use the permanent address from the eeprom.
+ */
+ if (txgbe_validate_mac_addr(hw->mac.addr) ==
+ TXGBE_ERR_INVALID_MAC_ADDR) {
+ /* 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 ",
+ hw->mac.addr[0], hw->mac.addr[1],
+ hw->mac.addr[2]);
+ DEBUGOUT("%.2X %.2X %.2X\n", 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 ",
+ hw->mac.addr[0], hw->mac.addr[1],
+ hw->mac.addr[2]);
+ DEBUGOUT("%.2X %.2X %.2X\n", hw->mac.addr[3],
+ hw->mac.addr[4], hw->mac.addr[5]);
+
+ hw->mac.set_rar(hw, 0, hw->mac.addr, 0, true);
+ }
+
+ /* clear VMDq pool/queue selection for RAR 0 */
+ hw->mac.clear_vmdq(hw, 0, BIT_MASK32);
+
+ hw->addr_ctrl.overflow_promisc = 0;
+
+ hw->addr_ctrl.rar_used_count = 1;
+
+ /* Zero out the other receive addresses. */
+ DEBUGOUT("Clearing RAR[1-%d]\n", rar_entries - 1);
+ for (i = 1; i < rar_entries; i++) {
+ wr32(hw, TXGBE_ETHADDRIDX, i);
+ wr32(hw, TXGBE_ETHADDRL, 0);
+ wr32(hw, TXGBE_ETHADDRH, 0);
+ }
+
+ /* Clear the MTA */
+ hw->addr_ctrl.mta_in_use = 0;
+ psrctl = rd32(hw, TXGBE_PSRCTL);
+ psrctl &= ~(TXGBE_PSRCTL_ADHF12_MASK | TXGBE_PSRCTL_MCHFENA);
+ psrctl |= TXGBE_PSRCTL_ADHF12(hw->mac.mc_filter_type);
+ wr32(hw, TXGBE_PSRCTL, psrctl);
+
+ DEBUGOUT(" Clearing MTA\n");
+ for (i = 0; i < hw->mac.mcft_size; i++)
+ wr32(hw, TXGBE_MCADDRTBL(i), 0);
+
+ txgbe_init_uta_tables(hw);
+
+ return 0;
+}
+
+/**
+ * txgbe_mta_vector - Determines bit-vector in multicast table to set
+ * @hw: pointer to hardware structure
+ * @mc_addr: the multicast address
+ *
+ * Extracts the 12 bits, from a multicast address, to determine which
+ * bit-vector to set in the multicast table. The hardware uses 12 bits, from
+ * incoming rx multicast addresses, to determine the bit-vector to check in
+ * the MTA. Which of the 4 combination, of 12-bits, the hardware uses is set
+ * by the MO field of the PSRCTRL. The MO field is set during initialization
+ * to mc_filter_type.
+ **/
+static s32 txgbe_mta_vector(struct txgbe_hw *hw, u8 *mc_addr)
+{
+ u32 vector = 0;
+
+ DEBUGFUNC("txgbe_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));
+ break;
+ case 1: /* use bits [46:35] of the address */
+ vector = ((mc_addr[4] >> 3) | (((u16)mc_addr[5]) << 5));
+ break;
+ case 2: /* use bits [45:34] of the address */
+ vector = ((mc_addr[4] >> 2) | (((u16)mc_addr[5]) << 6));
+ break;
+ case 3: /* use bits [43:32] of the address */
+ vector = ((mc_addr[4]) | (((u16)mc_addr[5]) << 8));
+ break;
+ default: /* Invalid mc_filter_type */
+ DEBUGOUT("MC filter type param set incorrectly\n");
+ ASSERT(0);
+ break;
+ }
+
+ /* vector can only be 12-bits or boundary will be exceeded */
+ vector &= 0xFFF;
+ return vector;
+}
+
+/**
+ * txgbe_set_mta - Set bit-vector in multicast table
+ * @hw: pointer to hardware structure
+ * @mc_addr: Multicast address
+ *
+ * Sets the bit-vector in the multicast table.
+ **/
+void txgbe_set_mta(struct txgbe_hw *hw, u8 *mc_addr)
+{
+ u32 vector;
+ u32 vector_bit;
+ u32 vector_reg;
+
+ DEBUGFUNC("txgbe_set_mta");
+
+ hw->addr_ctrl.mta_in_use++;
+
+ vector = txgbe_mta_vector(hw, mc_addr);
+ DEBUGOUT(" bit-vector = 0x%03X\n", vector);
+
+ /*
+ * The MTA is a register array of 128 32-bit registers. It is treated
+ * like an array of 4096 bits. We want to set bit
+ * BitArray[vector_value]. So we figure out what register the bit is
+ * in, read it, OR in the new bit, then write back the new value. The
+ * register is determined by the upper 7 bits of the vector value and
+ * the bit within that register are determined by the lower 5 bits of
+ * the value.
+ */
+ vector_reg = (vector >> 5) & 0x7F;
+ vector_bit = vector & 0x1F;
+ hw->mac.mta_shadow[vector_reg] |= (1 << vector_bit);
+}
+
+/**
+ * txgbe_update_mc_addr_list - Updates MAC list of multicast addresses
+ * @hw: pointer to hardware structure
+ * @mc_addr_list: the list of new multicast addresses
+ * @mc_addr_count: number of addresses
+ * @next: iterator function to walk the multicast address list
+ * @clear: flag, when set clears the table beforehand
+ *
+ * When the clear flag is set, the given list replaces any existing list.
+ * Hashes the given addresses into the multicast table.
+ **/
+s32 txgbe_update_mc_addr_list(struct txgbe_hw *hw, u8 *mc_addr_list,
+ u32 mc_addr_count, txgbe_mc_addr_itr next,
+ bool clear)
+{
+ u32 i;
+ u32 vmdq;
+
+ DEBUGFUNC("txgbe_update_mc_addr_list");
+
+ /*
+ * Set the new number of MC addresses that we are being requested to
+ * use.
+ */
+ hw->addr_ctrl.num_mc_addrs = mc_addr_count;
+ hw->addr_ctrl.mta_in_use = 0;
+
+ /* Clear mta_shadow */
+ if (clear) {
+ DEBUGOUT(" Clearing MTA\n");
+ 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");
+ txgbe_set_mta(hw, next(hw, &mc_addr_list, &vmdq));
+ }
+
+ /* Enable mta */
+ for (i = 0; i < hw->mac.mcft_size; i++)
+ wr32a(hw, TXGBE_MCADDRTBL(0), i,
+ hw->mac.mta_shadow[i]);
+
+ if (hw->addr_ctrl.mta_in_use > 0) {
+ u32 psrctl = rd32(hw, TXGBE_PSRCTL);
+ psrctl &= ~(TXGBE_PSRCTL_ADHF12_MASK | TXGBE_PSRCTL_MCHFENA);
+ psrctl |= TXGBE_PSRCTL_MCHFENA |
+ TXGBE_PSRCTL_ADHF12(hw->mac.mc_filter_type);
+ wr32(hw, TXGBE_PSRCTL, psrctl);
+ }
+
+ DEBUGOUT("txgbe update mc addr list complete\n");
+ return 0;
+}
+
+/**
+ * txgbe_disable_sec_rx_path - Stops the receive data path
+ * @hw: pointer to hardware structure
+ *
+ * Stops the receive data path and waits for the HW to internally empty
+ * the Rx security block
+ **/
+s32 txgbe_disable_sec_rx_path(struct txgbe_hw *hw)
+{
+#define TXGBE_MAX_SECRX_POLL 4000
+
+ int i;
+ u32 secrxreg;
+
+ DEBUGFUNC("txgbe_disable_sec_rx_path");
+
+ secrxreg = rd32(hw, TXGBE_SECRXCTL);
+ secrxreg |= TXGBE_SECRXCTL_XDSA;
+ wr32(hw, TXGBE_SECRXCTL, secrxreg);
+ for (i = 0; i < TXGBE_MAX_SECRX_POLL; i++) {
+ secrxreg = rd32(hw, TXGBE_SECRXSTAT);
+ if (!(secrxreg & TXGBE_SECRXSTAT_RDY))
+ /* Use interrupt-safe sleep just in case */
+ usec_delay(10);
+ else
+ break;
+ }
+
+ /* For informational purposes only */
+ if (i >= TXGBE_MAX_SECRX_POLL)
+ DEBUGOUT("Rx unit being enabled before security "
+ "path fully disabled. Continuing with init.\n");
+
+ return 0;
+}
+
+/**
+ * txgbe_enable_sec_rx_path - Enables the receive data path
+ * @hw: pointer to hardware structure
+ *
+ * Enables the receive data path.
+ **/
+s32 txgbe_enable_sec_rx_path(struct txgbe_hw *hw)
+{
+ u32 secrxreg;
+
+ DEBUGFUNC("txgbe_enable_sec_rx_path");
+
+ secrxreg = rd32(hw, TXGBE_SECRXCTL);
+ secrxreg &= ~TXGBE_SECRXCTL_XDSA;
+ wr32(hw, TXGBE_SECRXCTL, secrxreg);
+ txgbe_flush(hw);
+
+ return 0;
+}
+
+/**
+ * txgbe_disable_sec_tx_path - Stops the transmit data path
+ * @hw: pointer to hardware structure
+ *
+ * Stops the transmit data path and waits for the HW to internally empty
+ * the Tx security block
+ **/
+int txgbe_disable_sec_tx_path(struct txgbe_hw *hw)
+{
+#define TXGBE_MAX_SECTX_POLL 40
+
+ int i;
+ u32 sectxreg;
+
+ sectxreg = rd32(hw, TXGBE_SECTXCTL);
+ sectxreg |= TXGBE_SECTXCTL_XDSA;
+ wr32(hw, TXGBE_SECTXCTL, sectxreg);
+ for (i = 0; i < TXGBE_MAX_SECTX_POLL; i++) {
+ sectxreg = rd32(hw, TXGBE_SECTXSTAT);
+ if (sectxreg & TXGBE_SECTXSTAT_RDY)
+ break;
+ /* Use interrupt-safe sleep just in case */
+ usec_delay(1000);
+ }
+
+ /* For informational purposes only */
+ if (i >= TXGBE_MAX_SECTX_POLL)
+ PMD_DRV_LOG(DEBUG, "Tx unit being enabled before security "
+ "path fully disabled. Continuing with init.");
+
+ return 0;
+}
+
+/**
+ * txgbe_enable_sec_tx_path - Enables the transmit data path
+ * @hw: pointer to hardware structure
+ *
+ * Enables the transmit data path.
+ **/
+int txgbe_enable_sec_tx_path(struct txgbe_hw *hw)
+{
+ uint32_t sectxreg;
+
+ sectxreg = rd32(hw, TXGBE_SECTXCTL);
+ sectxreg &= ~TXGBE_SECTXCTL_XDSA;
+ wr32(hw, TXGBE_SECTXCTL, sectxreg);
+ txgbe_flush(hw);
+
+ return 0;
+}
+
+/**
+ * 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_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_need_crosstalk_fix - Determine if we need to do cross talk fix
* @hw: pointer to hardware structure
return 0;
}
+/**
+ * txgbe_get_device_caps - Get additional device capabilities
+ * @hw: pointer to hardware structure
+ * @device_caps: the EEPROM word with the extra device capabilities
+ *
+ * This function will read the EEPROM location for the device capabilities,
+ * and return the word through device_caps.
+ **/
+s32 txgbe_get_device_caps(struct txgbe_hw *hw, u16 *device_caps)
+{
+ DEBUGFUNC("txgbe_get_device_caps");
+
+ hw->rom.readw_sw(hw, TXGBE_DEVICE_CAPS, device_caps);
+
+ return 0;
+}
+
/**
* txgbe_clear_tx_pending - Clear pending TX work from the PCIe fifo
* @hw: pointer to the hardware structure
wr32(hw, TXGBE_PSRCTL, hlreg0);
}
+void txgbe_disable_rx(struct txgbe_hw *hw)
+{
+ u32 pfdtxgswc;
+
+ pfdtxgswc = rd32(hw, TXGBE_PSRCTL);
+ if (pfdtxgswc & TXGBE_PSRCTL_LBENA) {
+ pfdtxgswc &= ~TXGBE_PSRCTL_LBENA;
+ wr32(hw, TXGBE_PSRCTL, pfdtxgswc);
+ hw->mac.set_lben = true;
+ } else {
+ hw->mac.set_lben = false;
+ }
+
+ wr32m(hw, TXGBE_PBRXCTL, TXGBE_PBRXCTL_ENA, 0);
+ wr32m(hw, TXGBE_MACRXCFG, TXGBE_MACRXCFG_ENA, 0);
+}
+
+void txgbe_enable_rx(struct txgbe_hw *hw)
+{
+ u32 pfdtxgswc;
+
+ wr32m(hw, TXGBE_MACRXCFG, TXGBE_MACRXCFG_ENA, TXGBE_MACRXCFG_ENA);
+ wr32m(hw, TXGBE_PBRXCTL, TXGBE_PBRXCTL_ENA, TXGBE_PBRXCTL_ENA);
+
+ if (hw->mac.set_lben) {
+ pfdtxgswc = rd32(hw, TXGBE_PSRCTL);
+ pfdtxgswc |= TXGBE_PSRCTL_LBENA;
+ wr32(hw, TXGBE_PSRCTL, pfdtxgswc);
+ hw->mac.set_lben = false;
+ }
+}
+
/**
* txgbe_setup_mac_link_multispeed_fiber - Set MAC link speed
* @hw: pointer to hardware structure
return err;
}
+s32 txgbe_setup_sfp_modules(struct txgbe_hw *hw)
+{
+ s32 err = 0;
+
+ DEBUGFUNC("txgbe_setup_sfp_modules");
+
+ if (hw->phy.sfp_type == txgbe_sfp_type_unknown)
+ return 0;
+
+ txgbe_init_mac_link_ops(hw);
+
+ /* PHY config will finish before releasing the semaphore */
+ err = hw->mac.acquire_swfw_sync(hw, TXGBE_MNGSEM_SWPHY);
+ if (err != 0)
+ return TXGBE_ERR_SWFW_SYNC;
+
+ /* Release the semaphore */
+ hw->mac.release_swfw_sync(hw, TXGBE_MNGSEM_SWPHY);
+
+ /* Delay obtaining semaphore again to allow FW access
+ * prot_autoc_write uses the semaphore too.
+ */
+ msec_delay(hw->rom.semaphore_delay);
+
+ if (err) {
+ DEBUGOUT("sfp module setup not complete\n");
+ return TXGBE_ERR_SFP_SETUP_NOT_COMPLETE;
+ }
+
+ return err;
+}
+
/**
* txgbe_init_ops_pf - Inits func ptrs and MAC type
* @hw: pointer to hardware structure
bus->set_lan_id = txgbe_set_lan_id_multi_port;
/* PHY */
+ phy->get_media_type = txgbe_get_media_type_raptor;
phy->identify = txgbe_identify_phy;
phy->init = txgbe_init_phy_raptor;
phy->read_reg = txgbe_read_phy_reg;
/* MAC */
mac->init_hw = txgbe_init_hw;
+ mac->start_hw = txgbe_start_hw_raptor;
+ mac->enable_rx_dma = txgbe_enable_rx_dma_raptor;
+ mac->get_mac_addr = txgbe_get_mac_addr;
+ mac->stop_hw = txgbe_stop_hw;
mac->reset_hw = txgbe_reset_hw;
+ mac->disable_sec_rx_path = txgbe_disable_sec_rx_path;
+ mac->enable_sec_rx_path = txgbe_enable_sec_rx_path;
+ mac->disable_sec_tx_path = txgbe_disable_sec_tx_path;
+ mac->enable_sec_tx_path = txgbe_enable_sec_tx_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->autoc_read = txgbe_autoc_read;
+ mac->autoc_write = txgbe_autoc_write;
+
+ 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->init_uta_tables = txgbe_init_uta_tables;
+ mac->setup_sfp = txgbe_setup_sfp_modules;
/* Link */
mac->get_link_capabilities = txgbe_get_link_capabilities_raptor;
mac->check_link = txgbe_check_mac_link;
rom->update_checksum = txgbe_update_eeprom_checksum;
rom->calc_checksum = txgbe_calc_eeprom_checksum;
+ mac->mcft_size = TXGBE_RAPTOR_MC_TBL_SIZE;
mac->num_rar_entries = TXGBE_RAPTOR_RAR_ENTRIES;
mac->max_rx_queues = TXGBE_RAPTOR_MAX_RX_QUEUES;
mac->max_tx_queues = TXGBE_RAPTOR_MAX_TX_QUEUES;
return status;
}
+/**
+ * txgbe_get_media_type_raptor - Get media type
+ * @hw: pointer to hardware structure
+ *
+ * Returns the media type (fiber, copper, backplane)
+ **/
+u32 txgbe_get_media_type_raptor(struct txgbe_hw *hw)
+{
+ u32 media_type;
+
+ DEBUGFUNC("txgbe_get_media_type_raptor");
+
+ /* Detect if there is a copper PHY attached. */
+ switch (hw->phy.type) {
+ case txgbe_phy_cu_unknown:
+ case txgbe_phy_tn:
+ media_type = txgbe_media_type_copper;
+ return media_type;
+ default:
+ break;
+ }
+
+ switch (hw->device_id) {
+ case TXGBE_DEV_ID_RAPTOR_KR_KX_KX4:
+ /* Default device ID is mezzanine card KX/KX4 */
+ media_type = txgbe_media_type_backplane;
+ break;
+ case TXGBE_DEV_ID_RAPTOR_SFP:
+ case TXGBE_DEV_ID_WX1820_SFP:
+ media_type = txgbe_media_type_fiber;
+ break;
+ case TXGBE_DEV_ID_RAPTOR_QSFP:
+ media_type = txgbe_media_type_fiber_qsfp;
+ break;
+ case TXGBE_DEV_ID_RAPTOR_XAUI:
+ case TXGBE_DEV_ID_RAPTOR_SGMII:
+ media_type = txgbe_media_type_copper;
+ break;
+ default:
+ media_type = txgbe_media_type_unknown;
+ break;
+ }
+
+ return media_type;
+}
+
/**
* txgbe_start_mac_link_raptor - Setup MAC link settings
* @hw: pointer to hardware structure
return err;
}
+static void
+txgbe_reset_misc(struct txgbe_hw *hw)
+{
+ int i;
+ u32 value;
+
+ wr32(hw, TXGBE_ISBADDRL, hw->isb_dma & 0x00000000FFFFFFFF);
+ wr32(hw, TXGBE_ISBADDRH, hw->isb_dma >> 32);
+
+ value = rd32_epcs(hw, SR_XS_PCS_CTRL2);
+ if ((value & 0x3) != SR_PCS_CTRL2_TYPE_SEL_X)
+ hw->link_status = TXGBE_LINK_STATUS_NONE;
+
+ /* receive packets that size > 2048 */
+ wr32m(hw, TXGBE_MACRXCFG,
+ TXGBE_MACRXCFG_JUMBO, TXGBE_MACRXCFG_JUMBO);
+
+ wr32m(hw, TXGBE_FRMSZ, TXGBE_FRMSZ_MAX_MASK,
+ TXGBE_FRMSZ_MAX(TXGBE_FRAME_SIZE_DFT));
+
+ /* clear counters on read */
+ wr32m(hw, TXGBE_MACCNTCTL,
+ TXGBE_MACCNTCTL_RC, TXGBE_MACCNTCTL_RC);
+
+ wr32m(hw, TXGBE_RXFCCFG,
+ TXGBE_RXFCCFG_FC, TXGBE_RXFCCFG_FC);
+ wr32m(hw, TXGBE_TXFCCFG,
+ TXGBE_TXFCCFG_FC, TXGBE_TXFCCFG_FC);
+
+ wr32m(hw, TXGBE_MACRXFLT,
+ TXGBE_MACRXFLT_PROMISC, TXGBE_MACRXFLT_PROMISC);
+
+ wr32m(hw, TXGBE_RSTSTAT,
+ TXGBE_RSTSTAT_TMRINIT_MASK, TXGBE_RSTSTAT_TMRINIT(30));
+
+ /* errata 4: initialize mng flex tbl and wakeup flex tbl*/
+ wr32(hw, TXGBE_MNGFLEXSEL, 0);
+ for (i = 0; i < 16; i++) {
+ wr32(hw, TXGBE_MNGFLEXDWL(i), 0);
+ wr32(hw, TXGBE_MNGFLEXDWH(i), 0);
+ wr32(hw, TXGBE_MNGFLEXMSK(i), 0);
+ }
+ wr32(hw, TXGBE_LANFLEXSEL, 0);
+ for (i = 0; i < 16; i++) {
+ wr32(hw, TXGBE_LANFLEXDWL(i), 0);
+ wr32(hw, TXGBE_LANFLEXDWH(i), 0);
+ wr32(hw, TXGBE_LANFLEXMSK(i), 0);
+ }
+
+ /* set pause frame dst mac addr */
+ wr32(hw, TXGBE_RXPBPFCDMACL, 0xC2000001);
+ wr32(hw, TXGBE_RXPBPFCDMACH, 0x0180);
+
+ hw->mac.init_thermal_sensor_thresh(hw);
+
+ /* enable mac transmitter */
+ wr32m(hw, TXGBE_MACTXCFG, TXGBE_MACTXCFG_TXE, TXGBE_MACTXCFG_TXE);
+
+ for (i = 0; i < 4; i++)
+ wr32m(hw, TXGBE_IVAR(i), 0x80808080, 0);
+}
+
/**
* txgbe_reset_hw - Perform hardware reset
* @hw: pointer to hardware structure
}
usec_delay(10);
+ txgbe_reset_misc(hw);
+
if (hw->bus.lan_id == 0) {
status = txgbe_check_flash_load(hw,
TXGBE_ILDRSTAT_SWRST_LAN0);
return status;
}
+/**
+ * txgbe_start_hw_raptor - Prepare hardware for Tx/Rx
+ * @hw: pointer to hardware structure
+ *
+ * Starts the hardware using the generic start_hw function
+ * and the generation start_hw function.
+ * Then performs revision-specific operations, if any.
+ **/
+s32 txgbe_start_hw_raptor(struct txgbe_hw *hw)
+{
+ s32 err = 0;
+
+ DEBUGFUNC("txgbe_start_hw_raptor");
+
+ err = txgbe_start_hw(hw);
+ if (err != 0)
+ goto out;
+
+ err = txgbe_start_hw_gen2(hw);
+ if (err != 0)
+ goto out;
+
+ /* We need to run link autotry after the driver loads */
+ hw->mac.autotry_restart = true;
+
+out:
+ return err;
+}
+
+/**
+ * txgbe_enable_rx_dma_raptor - Enable the Rx DMA unit
+ * @hw: pointer to hardware structure
+ * @regval: register value to write to RXCTRL
+ *
+ * Enables the Rx DMA unit
+ **/
+s32 txgbe_enable_rx_dma_raptor(struct txgbe_hw *hw, u32 regval)
+{
+ DEBUGFUNC("txgbe_enable_rx_dma_raptor");
+
+ /*
+ * 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 & TXGBE_PBRXCTL_ENA)
+ txgbe_enable_rx(hw);
+ else
+ txgbe_disable_rx(hw);
+
+ hw->mac.enable_sec_rx_path(hw);
+
+ return 0;
+}
+
/**
* txgbe_verify_lesm_fw_enabled_raptor - Checks LESM FW module state.
* @hw: pointer to hardware structure
git.droids-corp.org / dpdk.git / blobdiff