*/
#include "ngbe_type.h"
+#include "ngbe_phy.h"
#include "ngbe_eeprom.h"
#include "ngbe_mng.h"
#include "ngbe_hw.h"
+/**
+ * ngbe_start_hw - Prepare hardware for Tx/Rx
+ * @hw: pointer to hardware structure
+ *
+ * Starts the hardware.
+ **/
+s32 ngbe_start_hw(struct ngbe_hw *hw)
+{
+ DEBUGFUNC("ngbe_start_hw");
+
+ /* Clear adapter stopped flag */
+ hw->adapter_stopped = false;
+
+ return 0;
+}
+
/**
* ngbe_init_hw - Generic hardware initialization
* @hw: pointer to hardware structure
/* Reset the hardware */
status = hw->mac.reset_hw(hw);
+ if (status == 0) {
+ /* Start the HW */
+ status = hw->mac.start_hw(hw);
+ }
if (status != 0)
DEBUGOUT("Failed to initialize HW, STATUS = %d\n", status);
if (status != 0)
return status;
+ /* Identify PHY and related function pointers */
+ status = ngbe_init_phy(hw);
+ if (status)
+ return status;
+
+ /* Reset PHY */
+ if (!hw->phy.reset_disable)
+ hw->phy.reset_hw(hw);
+
wr32(hw, NGBE_RST, NGBE_RST_LAN(hw->bus.lan_id));
ngbe_flush(hw);
msec_delay(50);
msec_delay(50);
+ /* Store the permanent mac address */
+ hw->mac.get_mac_addr(hw, hw->mac.perm_addr);
+
+ /*
+ * Store MAC address from RAR0, clear receive address registers, and
+ * clear the multicast table.
+ */
+ hw->mac.num_rar_entries = NGBE_EM_RAR_ENTRIES;
+ hw->mac.init_rx_addrs(hw);
+
return status;
}
+/**
+ * ngbe_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 ngbe_get_mac_addr(struct ngbe_hw *hw, u8 *mac_addr)
+{
+ u32 rar_high;
+ 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);
+
+ 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;
+}
+
/**
* ngbe_set_lan_id_multi_port - Set LAN id for PCIe multiple port devices
* @hw: pointer to the HW structure
return 0;
}
+/**
+ * ngbe_validate_mac_addr - Validate MAC address
+ * @mac_addr: pointer to MAC address.
+ *
+ * Tests a MAC address to ensure it is a valid Individual Address.
+ **/
+s32 ngbe_validate_mac_addr(u8 *mac_addr)
+{
+ 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;
+ /* Not a broadcast address */
+ } else if (NGBE_IS_BROADCAST((struct rte_ether_addr *)mac_addr)) {
+ status = NGBE_ERR_INVALID_MAC_ADDR;
+ /* Reject the zero address */
+ } else if (mac_addr[0] == 0 && mac_addr[1] == 0 && mac_addr[2] == 0 &&
+ mac_addr[3] == 0 && mac_addr[4] == 0 && mac_addr[5] == 0) {
+ status = NGBE_ERR_INVALID_MAC_ADDR;
+ }
+ return status;
+}
+
+/**
+ * ngbe_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 ngbe_set_rar(struct ngbe_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("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);
+ return NGBE_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 = NGBE_ETHADDRL_AD0(addr[5]) |
+ NGBE_ETHADDRL_AD1(addr[4]) |
+ NGBE_ETHADDRL_AD2(addr[3]) |
+ NGBE_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, NGBE_ETHADDRH);
+ rar_high &= ~NGBE_ETHADDRH_AD_MASK;
+ rar_high |= (NGBE_ETHADDRH_AD4(addr[1]) |
+ NGBE_ETHADDRH_AD5(addr[0]));
+
+ rar_high &= ~NGBE_ETHADDRH_VLD;
+ if (enable_addr != 0)
+ rar_high |= NGBE_ETHADDRH_VLD;
+
+ wr32(hw, NGBE_ETHADDRIDX, index);
+ wr32(hw, NGBE_ETHADDRL, rar_low);
+ wr32(hw, NGBE_ETHADDRH, rar_high);
+
+ return 0;
+}
+
+/**
+ * ngbe_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 ngbe_clear_rar(struct ngbe_hw *hw, u32 index)
+{
+ 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);
+ return NGBE_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, NGBE_ETHADDRIDX, index);
+ rar_high = rd32(hw, NGBE_ETHADDRH);
+ rar_high &= ~(NGBE_ETHADDRH_AD_MASK | NGBE_ETHADDRH_VLD);
+
+ wr32(hw, NGBE_ETHADDRL, 0);
+ wr32(hw, NGBE_ETHADDRH, rar_high);
+
+ /* clear VMDq pool/queue selection for this RAR */
+ hw->mac.clear_vmdq(hw, index, BIT_MASK32);
+
+ return 0;
+}
+
+/**
+ * ngbe_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 ngbe_init_rx_addrs(struct ngbe_hw *hw)
+{
+ u32 i;
+ 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.
+ * Otherwise, use the permanent address from the eeprom.
+ */
+ if (ngbe_validate_mac_addr(hw->mac.addr) ==
+ NGBE_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);
+
+ /* Zero out the other receive addresses. */
+ DEBUGOUT("Clearing RAR[1-%d]\n", rar_entries - 1);
+ for (i = 1; i < rar_entries; i++) {
+ wr32(hw, NGBE_ETHADDRIDX, i);
+ wr32(hw, NGBE_ETHADDRL, 0);
+ wr32(hw, NGBE_ETHADDRH, 0);
+ }
+
+ /* Clear the MTA */
+ hw->addr_ctrl.mta_in_use = 0;
+ psrctl = rd32(hw, NGBE_PSRCTL);
+ psrctl &= ~(NGBE_PSRCTL_ADHF12_MASK | NGBE_PSRCTL_MCHFENA);
+ psrctl |= NGBE_PSRCTL_ADHF12(hw->mac.mc_filter_type);
+ wr32(hw, NGBE_PSRCTL, psrctl);
+
+ DEBUGOUT(" Clearing MTA\n");
+ for (i = 0; i < hw->mac.mcft_size; i++)
+ wr32(hw, NGBE_MCADDRTBL(i), 0);
+
+ ngbe_init_uta_tables(hw);
+
+ return 0;
+}
+
/**
* ngbe_acquire_swfw_sync - Acquire SWFW semaphore
* @hw: pointer to hardware structure
ngbe_release_eeprom_semaphore(hw);
}
+/**
+ * ngbe_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 ngbe_disable_sec_rx_path(struct ngbe_hw *hw)
+{
+#define NGBE_MAX_SECRX_POLL 4000
+
+ 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 (i = 0; i < NGBE_MAX_SECRX_POLL; i++) {
+ secrxreg = rd32(hw, NGBE_SECRXSTAT);
+ if (!(secrxreg & NGBE_SECRXSTAT_RDY))
+ /* Use interrupt-safe sleep just in case */
+ usec_delay(10);
+ else
+ break;
+ }
+
+ /* For informational purposes only */
+ if (i >= NGBE_MAX_SECRX_POLL)
+ DEBUGOUT("Rx unit being enabled before security "
+ "path fully disabled. Continuing with init.\n");
+
+ return 0;
+}
+
+/**
+ * ngbe_enable_sec_rx_path - Enables the receive data path
+ * @hw: pointer to hardware structure
+ *
+ * Enables the receive data path.
+ **/
+s32 ngbe_enable_sec_rx_path(struct ngbe_hw *hw)
+{
+ u32 secrxreg;
+
+ DEBUGFUNC("ngbe_enable_sec_rx_path");
+
+ secrxreg = rd32(hw, NGBE_SECRXCTL);
+ secrxreg &= ~NGBE_SECRXCTL_XDSA;
+ wr32(hw, NGBE_SECRXCTL, secrxreg);
+ ngbe_flush(hw);
+
+ return 0;
+}
+
+/**
+ * ngbe_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 ngbe_clear_vmdq(struct ngbe_hw *hw, u32 rar, u32 vmdq)
+{
+ 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);
+ return NGBE_ERR_INVALID_ARGUMENT;
+ }
+
+ wr32(hw, NGBE_ETHADDRIDX, rar);
+ mpsar = rd32(hw, NGBE_ETHADDRASS);
+
+ if (NGBE_REMOVED(hw->hw_addr))
+ goto done;
+
+ if (!mpsar)
+ goto done;
+
+ mpsar &= ~(1 << vmdq);
+ wr32(hw, NGBE_ETHADDRASS, mpsar);
+
+ /* was that the last pool using this rar? */
+ if (mpsar == 0 && rar != 0)
+ hw->mac.clear_rar(hw, rar);
+done:
+ return 0;
+}
+
+/**
+ * ngbe_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 ngbe_set_vmdq(struct ngbe_hw *hw, u32 rar, u32 vmdq)
+{
+ 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);
+ return NGBE_ERR_INVALID_ARGUMENT;
+ }
+
+ wr32(hw, NGBE_ETHADDRIDX, rar);
+
+ mpsar = rd32(hw, NGBE_ETHADDRASS);
+ mpsar |= 1 << vmdq;
+ wr32(hw, NGBE_ETHADDRASS, mpsar);
+
+ return 0;
+}
+
+/**
+ * ngbe_init_uta_tables - Initialize the Unicast Table Array
+ * @hw: pointer to hardware structure
+ **/
+s32 ngbe_init_uta_tables(struct ngbe_hw *hw)
+{
+ int i;
+
+ DEBUGFUNC("ngbe_init_uta_tables");
+ DEBUGOUT(" Clearing UTA\n");
+
+ for (i = 0; i < 128; i++)
+ wr32(hw, NGBE_UCADDRTBL(i), 0);
+
+ return 0;
+}
+
+/**
+ * ngbe_check_mac_link_em - Determine link and speed status
+ * @hw: pointer to hardware structure
+ * @speed: pointer to link speed
+ * @link_up: true when link is up
+ * @link_up_wait_to_complete: bool used to wait for link up or not
+ *
+ * Reads the links register to determine if link is up and the current speed
+ **/
+s32 ngbe_check_mac_link_em(struct ngbe_hw *hw, u32 *speed,
+ bool *link_up, bool link_up_wait_to_complete)
+{
+ u32 i, reg;
+ s32 status = 0;
+
+ DEBUGFUNC("ngbe_check_mac_link_em");
+
+ reg = rd32(hw, NGBE_GPIOINTSTAT);
+ wr32(hw, NGBE_GPIOEOI, reg);
+
+ if (link_up_wait_to_complete) {
+ for (i = 0; i < hw->mac.max_link_up_time; i++) {
+ status = hw->phy.check_link(hw, speed, link_up);
+ if (*link_up)
+ break;
+ msec_delay(100);
+ }
+ } else {
+ status = hw->phy.check_link(hw, speed, link_up);
+ }
+
+ return status;
+}
+
+s32 ngbe_get_link_capabilities_em(struct ngbe_hw *hw,
+ u32 *speed,
+ bool *autoneg)
+{
+ s32 status = 0;
+
+ DEBUGFUNC("\n");
+
+ hw->mac.autoneg = *autoneg;
+
+ switch (hw->sub_device_id) {
+ case NGBE_SUB_DEV_ID_EM_RTL_SGMII:
+ *speed = NGBE_LINK_SPEED_1GB_FULL |
+ NGBE_LINK_SPEED_100M_FULL |
+ NGBE_LINK_SPEED_10M_FULL;
+ break;
+ default:
+ break;
+ }
+
+ return status;
+}
+
+s32 ngbe_setup_mac_link_em(struct ngbe_hw *hw,
+ u32 speed,
+ bool autoneg_wait_to_complete)
+{
+ s32 status;
+
+ DEBUGFUNC("\n");
+
+ /* Setup the PHY according to input speed */
+ status = hw->phy.setup_link(hw, speed, autoneg_wait_to_complete);
+
+ return status;
+}
+
/**
* ngbe_init_thermal_sensor_thresh - Inits thermal sensor thresholds
* @hw: pointer to hardware structure
return 0;
}
+s32 ngbe_mac_check_overtemp(struct ngbe_hw *hw)
+{
+ 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);
+
+ if (ts_state & NGBE_TSALM_HI)
+ status = NGBE_ERR_UNDERTEMP;
+ else if (ts_state & NGBE_TSALM_LO)
+ status = NGBE_ERR_OVERTEMP;
+
+ return status;
+}
+
void ngbe_disable_rx(struct ngbe_hw *hw)
{
u32 pfdtxgswc;
wr32m(hw, NGBE_MACRXCFG, NGBE_MACRXCFG_ENA, 0);
}
+void ngbe_enable_rx(struct ngbe_hw *hw)
+{
+ u32 pfdtxgswc;
+
+ wr32m(hw, NGBE_MACRXCFG, NGBE_MACRXCFG_ENA, NGBE_MACRXCFG_ENA);
+ wr32m(hw, NGBE_PBRXCTL, NGBE_PBRXCTL_ENA, NGBE_PBRXCTL_ENA);
+
+ if (hw->mac.set_lben) {
+ pfdtxgswc = rd32(hw, NGBE_PSRCTL);
+ pfdtxgswc |= NGBE_PSRCTL_LBENA;
+ wr32(hw, NGBE_PSRCTL, pfdtxgswc);
+ hw->mac.set_lben = false;
+ }
+}
+
/**
* ngbe_set_mac_type - Sets MAC type
* @hw: pointer to the HW structure
return err;
}
+/**
+ * ngbe_enable_rx_dma - Enable the Rx DMA unit
+ * @hw: pointer to hardware structure
+ * @regval: register value to write to RXCTRL
+ *
+ * Enables the Rx DMA unit
+ **/
+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)
+ ngbe_enable_rx(hw);
+ else
+ ngbe_disable_rx(hw);
+
+ hw->mac.enable_sec_rx_path(hw);
+
+ return 0;
+}
+
void ngbe_map_device_id(struct ngbe_hw *hw)
{
u16 oem = hw->sub_system_id & NGBE_OEM_MASK;
{
struct ngbe_bus_info *bus = &hw->bus;
struct ngbe_mac_info *mac = &hw->mac;
+ struct ngbe_phy_info *phy = &hw->phy;
struct ngbe_rom_info *rom = &hw->rom;
DEBUGFUNC("ngbe_init_ops_pf");
/* BUS */
bus->set_lan_id = ngbe_set_lan_id_multi_port;
+ /* PHY */
+ phy->identify = ngbe_identify_phy;
+ phy->read_reg = ngbe_read_phy_reg;
+ phy->write_reg = ngbe_write_phy_reg;
+ phy->read_reg_unlocked = ngbe_read_phy_reg_mdi;
+ phy->write_reg_unlocked = ngbe_write_phy_reg_mdi;
+ phy->reset_hw = ngbe_reset_phy;
+
/* MAC */
mac->init_hw = ngbe_init_hw;
mac->reset_hw = ngbe_reset_hw_em;
+ mac->start_hw = ngbe_start_hw;
+ mac->enable_rx_dma = ngbe_enable_rx_dma;
+ mac->get_mac_addr = ngbe_get_mac_addr;
mac->stop_hw = ngbe_stop_hw;
mac->acquire_swfw_sync = ngbe_acquire_swfw_sync;
mac->release_swfw_sync = ngbe_release_swfw_sync;
+ mac->disable_sec_rx_path = ngbe_disable_sec_rx_path;
+ mac->enable_sec_rx_path = ngbe_enable_sec_rx_path;
+ /* RAR */
+ mac->set_rar = ngbe_set_rar;
+ mac->clear_rar = ngbe_clear_rar;
+ mac->init_rx_addrs = ngbe_init_rx_addrs;
+ mac->set_vmdq = ngbe_set_vmdq;
+ mac->clear_vmdq = ngbe_clear_vmdq;
+
+ /* 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;
+
/* Manageability interface */
mac->init_thermal_sensor_thresh = ngbe_init_thermal_sensor_thresh;
+ mac->check_overtemp = ngbe_mac_check_overtemp;
/* EEPROM */
rom->init_params = ngbe_init_eeprom_params;
rom->validate_checksum = ngbe_validate_eeprom_checksum_em;
+ mac->mcft_size = NGBE_EM_MC_TBL_SIZE;
+ mac->num_rar_entries = NGBE_EM_RAR_ENTRIES;
mac->max_rx_queues = NGBE_EM_MAX_RX_QUEUES;
mac->max_tx_queues = NGBE_EM_MAX_TX_QUEUES;
+ mac->default_speeds = NGBE_LINK_SPEED_10M_FULL |
+ NGBE_LINK_SPEED_100M_FULL |
+ NGBE_LINK_SPEED_1GB_FULL;
+
return 0;
}
status = NGBE_ERR_DEVICE_NOT_SUPPORTED;
break;
}
+ hw->mac.max_link_up_time = NGBE_LINK_UP_TIME;
hw->bus.set_lan_id(hw);
git.droids-corp.org / dpdk.git / blobdiff