From: Wei Dai Date: Wed, 21 Dec 2016 09:47:59 +0000 (+0800) Subject: net/ixgbe/base: support FW commands to control some PHYs X-Git-Tag: spdx-start~4946 X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=4832a1cb7855746c0949c9b304b0aded88dae3c8;p=dpdk.git net/ixgbe/base: support FW commands to control some PHYs Implement support for new firmware commands to be used to access and control some PHYs. Signed-off-by: Wei Dai --- diff --git a/drivers/net/ixgbe/base/ixgbe_common.h b/drivers/net/ixgbe/base/ixgbe_common.h index 93e80eac24..903f34d581 100644 --- a/drivers/net/ixgbe/base/ixgbe_common.h +++ b/drivers/net/ixgbe/base/ixgbe_common.h @@ -161,7 +161,9 @@ u8 ixgbe_calculate_checksum(u8 *buffer, u32 length); s32 ixgbe_host_interface_command(struct ixgbe_hw *hw, u32 *buffer, u32 length, u32 timeout, bool return_data); s32 ixgbe_hic_unlocked(struct ixgbe_hw *, u32 *buffer, u32 length, u32 timeout); - +s32 ixgbe_shutdown_fw_phy(struct ixgbe_hw *); +s32 ixgbe_fw_phy_activity(struct ixgbe_hw *, u16 activity, + u32 (*data)[FW_PHY_ACT_DATA_COUNT]); void ixgbe_clear_tx_pending(struct ixgbe_hw *hw); extern s32 ixgbe_reset_pipeline_82599(struct ixgbe_hw *hw); diff --git a/drivers/net/ixgbe/base/ixgbe_osdep.h b/drivers/net/ixgbe/base/ixgbe_osdep.h index 77f0af514f..b0977b6a91 100644 --- a/drivers/net/ixgbe/base/ixgbe_osdep.h +++ b/drivers/net/ixgbe/base/ixgbe_osdep.h @@ -95,8 +95,9 @@ enum { #define STATIC static #define IXGBE_NTOHL(_i) rte_be_to_cpu_32(_i) #define IXGBE_NTOHS(_i) rte_be_to_cpu_16(_i) +#define IXGBE_CPU_TO_LE16(_i) rte_cpu_to_le_16(_i) #define IXGBE_CPU_TO_LE32(_i) rte_cpu_to_le_32(_i) -#define IXGBE_LE32_TO_CPU(_i) rte_le_to_cpu_32(_i) +#define IXGBE_LE32_TO_CPU(_i) rte_le_to_cpu_32(_i) #define IXGBE_LE32_TO_CPUS(_i) rte_le_to_cpu_32(_i) #define IXGBE_CPU_TO_BE16(_i) rte_cpu_to_be_16(_i) #define IXGBE_CPU_TO_BE32(_i) rte_cpu_to_be_32(_i) diff --git a/drivers/net/ixgbe/base/ixgbe_type.h b/drivers/net/ixgbe/base/ixgbe_type.h index adc5fb3fb3..c7100b0aee 100644 --- a/drivers/net/ixgbe/base/ixgbe_type.h +++ b/drivers/net/ixgbe/base/ixgbe_type.h @@ -3063,6 +3063,59 @@ enum ixgbe_fdir_pballoc_type { #define FW_INT_PHY_REQ_LEN 10 #define FW_INT_PHY_REQ_READ 0 #define FW_INT_PHY_REQ_WRITE 1 +#define FW_PHY_ACT_REQ_CMD 5 +#define FW_PHY_ACT_DATA_COUNT 4 +#define FW_PHY_ACT_REQ_LEN (4 + 4 * FW_PHY_ACT_DATA_COUNT) +#define FW_PHY_ACT_INIT_PHY 1 +#define FW_PHY_ACT_SETUP_LINK 2 +#define FW_PHY_ACT_LINK_SPEED_10 (1u << 0) +#define FW_PHY_ACT_LINK_SPEED_100 (1u << 1) +#define FW_PHY_ACT_LINK_SPEED_1G (1u << 2) +#define FW_PHY_ACT_LINK_SPEED_2_5G (1u << 3) +#define FW_PHY_ACT_LINK_SPEED_5G (1u << 4) +#define FW_PHY_ACT_LINK_SPEED_10G (1u << 5) +#define FW_PHY_ACT_LINK_SPEED_20G (1u << 6) +#define FW_PHY_ACT_LINK_SPEED_25G (1u << 7) +#define FW_PHY_ACT_LINK_SPEED_40G (1u << 8) +#define FW_PHY_ACT_LINK_SPEED_50G (1u << 9) +#define FW_PHY_ACT_LINK_SPEED_100G (1u << 10) +#define FW_PHY_ACT_SETUP_LINK_PAUSE_SHIFT 16 +#define FW_PHY_ACT_SETUP_LINK_PAUSE_MASK (3u << \ + FW_PHY_ACT_SETUP_LINK_PAUSE_SHIFT) +#define FW_PHY_ACT_SETUP_LINK_PAUSE_NONE 0u +#define FW_PHY_ACT_SETUP_LINK_PAUSE_TX 1u +#define FW_PHY_ACT_SETUP_LINK_PAUSE_RX 2u +#define FW_PHY_ACT_SETUP_LINK_PAUSE_RXTX 3u +#define FW_PHY_ACT_SETUP_LINK_LP (1u << 18) +#define FW_PHY_ACT_SETUP_LINK_HP (1u << 19) +#define FW_PHY_ACT_SETUP_LINK_EEE (1u << 20) +#define FW_PHY_ACT_SETUP_LINK_AN (1u << 22) +#define FW_PHY_ACT_SETUP_LINK_RSP_DOWN (1u << 0) +#define FW_PHY_ACT_GET_LINK_INFO 3 +#define FW_PHY_ACT_GET_LINK_INFO_EEE (1u << 19) +#define FW_PHY_ACT_GET_LINK_INFO_FC_TX (1u << 20) +#define FW_PHY_ACT_GET_LINK_INFO_FC_RX (1u << 21) +#define FW_PHY_ACT_GET_LINK_INFO_POWER (1u << 22) +#define FW_PHY_ACT_GET_LINK_INFO_AN_COMPLETE (1u << 24) +#define FW_PHY_ACT_GET_LINK_INFO_TEMP (1u << 25) +#define FW_PHY_ACT_GET_LINK_INFO_LP_FC_TX (1u << 28) +#define FW_PHY_ACT_GET_LINK_INFO_LP_FC_RX (1u << 29) +#define FW_PHY_ACT_FORCE_LINK_DOWN 4 +#define FW_PHY_ACT_FORCE_LINK_DOWN_OFF (1u << 0) +#define FW_PHY_ACT_PHY_SW_RESET 5 +#define FW_PHY_ACT_PHY_HW_RESET 6 +#define FW_PHY_ACT_GET_PHY_INFO 7 +#define FW_PHY_ACT_UD_2 0x1002 +#define FW_PHY_ACT_UD_2_10G_KR_EEE (1u << 6) +#define FW_PHY_ACT_UD_2_10G_KX4_EEE (1u << 5) +#define FW_PHY_ACT_UD_2_1G_KX_EEE (1u << 4) +#define FW_PHY_ACT_UD_2_10G_T_EEE (1u << 3) +#define FW_PHY_ACT_UD_2_1G_T_EEE (1u << 2) +#define FW_PHY_ACT_UD_2_100M_TX_EEE (1u << 1) +#define FW_PHY_ACT_RETRIES 50 +#define FW_PHY_INFO_SPEED_MASK 0xFFFu +#define FW_PHY_INFO_ID_HI_MASK 0xFFFF0000u +#define FW_PHY_INFO_ID_LO_MASK 0x0000FFFFu /* Host Interface Command Structures */ @@ -3170,6 +3223,19 @@ struct ixgbe_hic_internal_phy_resp { __be32 read_data; }; +struct ixgbe_hic_phy_activity_req { + struct ixgbe_hic_hdr hdr; + u8 port_number; + u8 pad; + __le16 activity_id; + __be32 data[FW_PHY_ACT_DATA_COUNT]; +}; + +struct ixgbe_hic_phy_activity_resp { + struct ixgbe_hic_hdr hdr; + __be32 data[FW_PHY_ACT_DATA_COUNT]; +}; + #ifdef C99 #pragma pack(pop) #else @@ -4046,8 +4112,8 @@ struct ixgbe_phy_info { bool reset_disable; ixgbe_autoneg_advertised autoneg_advertised; ixgbe_link_speed speeds_supported; - enum ixgbe_ms_type ms_type; - enum ixgbe_ms_type original_ms_type; + ixgbe_link_speed eee_speeds_supported; + ixgbe_link_speed eee_speeds_advertised; enum ixgbe_smart_speed smart_speed; bool smart_speed_active; bool multispeed_fiber; diff --git a/drivers/net/ixgbe/base/ixgbe_x550.c b/drivers/net/ixgbe/base/ixgbe_x550.c index 97fbf88aed..0a041b71e5 100644 --- a/drivers/net/ixgbe/base/ixgbe_x550.c +++ b/drivers/net/ixgbe/base/ixgbe_x550.c @@ -467,6 +467,133 @@ STATIC s32 ixgbe_identify_phy_x550em(struct ixgbe_hw *hw) return IXGBE_SUCCESS; } +/** + * ixgbe_fw_phy_activity - Perform an activity on a PHY + * @hw: pointer to hardware structure + * @activity: activity to perform + * @data: Pointer to 4 32-bit words of data + */ +s32 ixgbe_fw_phy_activity(struct ixgbe_hw *hw, u16 activity, + u32 (*data)[FW_PHY_ACT_DATA_COUNT]) +{ + union { + struct ixgbe_hic_phy_activity_req cmd; + struct ixgbe_hic_phy_activity_resp rsp; + } hic; + u16 retries = FW_PHY_ACT_RETRIES; + s32 rc; + u16 i; + + do { + memset(&hic, 0, sizeof(hic)); + hic.cmd.hdr.cmd = FW_PHY_ACT_REQ_CMD; + hic.cmd.hdr.buf_len = FW_PHY_ACT_REQ_LEN; + hic.cmd.hdr.checksum = FW_DEFAULT_CHECKSUM; + hic.cmd.port_number = hw->bus.lan_id; + hic.cmd.activity_id = IXGBE_CPU_TO_LE16(activity); + for (i = 0; i < FW_PHY_ACT_DATA_COUNT; ++i) + hic.cmd.data[i] = IXGBE_CPU_TO_BE32((*data)[i]); + + rc = ixgbe_host_interface_command(hw, (u32 *)&hic.cmd, + sizeof(hic.cmd), + IXGBE_HI_COMMAND_TIMEOUT, + true); + if (rc != IXGBE_SUCCESS) + return rc; + if (hic.rsp.hdr.cmd_or_resp.ret_status == + FW_CEM_RESP_STATUS_SUCCESS) { + for (i = 0; i < FW_PHY_ACT_DATA_COUNT; ++i) + (*data)[i] = IXGBE_BE32_TO_CPU(hic.rsp.data[i]); + return IXGBE_SUCCESS; + } + usec_delay(20); + --retries; + } while (retries > 0); + + return IXGBE_ERR_HOST_INTERFACE_COMMAND; +} + +static const struct { + u16 fw_speed; + ixgbe_link_speed phy_speed; +} ixgbe_fw_map[] = { + { FW_PHY_ACT_LINK_SPEED_10, IXGBE_LINK_SPEED_10_FULL }, + { FW_PHY_ACT_LINK_SPEED_100, IXGBE_LINK_SPEED_100_FULL }, + { FW_PHY_ACT_LINK_SPEED_1G, IXGBE_LINK_SPEED_1GB_FULL }, + { FW_PHY_ACT_LINK_SPEED_2_5G, IXGBE_LINK_SPEED_2_5GB_FULL }, + { FW_PHY_ACT_LINK_SPEED_5G, IXGBE_LINK_SPEED_5GB_FULL }, + { FW_PHY_ACT_LINK_SPEED_10G, IXGBE_LINK_SPEED_10GB_FULL }, +}; + +/** + * ixgbe_get_phy_id_fw - Get the phy ID via firmware command + * @hw: pointer to hardware structure + * + * Returns error code + */ +static s32 ixgbe_get_phy_id_fw(struct ixgbe_hw *hw) +{ + u32 info[FW_PHY_ACT_DATA_COUNT] = { 0 }; + u16 phy_speeds; + u16 phy_id_lo; + s32 rc; + u16 i; + + rc = ixgbe_fw_phy_activity(hw, FW_PHY_ACT_GET_PHY_INFO, &info); + if (rc) + return rc; + + hw->phy.speeds_supported = 0; + phy_speeds = info[0] & FW_PHY_INFO_SPEED_MASK; + for (i = 0; i < sizeof(ixgbe_fw_map) / sizeof(ixgbe_fw_map[0]); ++i) { + if (phy_speeds & ixgbe_fw_map[i].fw_speed) + hw->phy.speeds_supported |= ixgbe_fw_map[i].phy_speed; + } + if (!hw->phy.autoneg_advertised) + hw->phy.autoneg_advertised = hw->phy.speeds_supported; + + hw->phy.id = info[0] & FW_PHY_INFO_ID_HI_MASK; + phy_id_lo = info[1] & FW_PHY_INFO_ID_LO_MASK; + hw->phy.id |= phy_id_lo & IXGBE_PHY_REVISION_MASK; + hw->phy.revision = phy_id_lo & ~IXGBE_PHY_REVISION_MASK; + if (!hw->phy.id || hw->phy.id == IXGBE_PHY_REVISION_MASK) + return IXGBE_ERR_PHY_ADDR_INVALID; + return IXGBE_SUCCESS; +} + +/** + * ixgbe_identify_phy_fw - Get PHY type based on firmware command + * @hw: pointer to hardware structure + * + * Returns error code + */ +static s32 ixgbe_identify_phy_fw(struct ixgbe_hw *hw) +{ + if (hw->bus.lan_id) + hw->phy.phy_semaphore_mask = IXGBE_GSSR_PHY1_SM; + else + hw->phy.phy_semaphore_mask = IXGBE_GSSR_PHY0_SM; + + hw->phy.type = ixgbe_phy_m88; + hw->phy.ops.read_reg = NULL; + hw->phy.ops.write_reg = NULL; + return ixgbe_get_phy_id_fw(hw); +} + +/** + * ixgbe_shutdown_fw_phy - Shutdown a firmware-controlled PHY + * @hw: pointer to hardware structure + * + * Returns error code + */ +s32 ixgbe_shutdown_fw_phy(struct ixgbe_hw *hw) +{ + u32 setup[FW_PHY_ACT_DATA_COUNT] = { 0 }; + + setup[0] = FW_PHY_ACT_FORCE_LINK_DOWN_OFF; + return ixgbe_fw_phy_activity(hw, FW_PHY_ACT_FORCE_LINK_DOWN, &setup); +} + STATIC s32 ixgbe_read_phy_reg_x550em(struct ixgbe_hw *hw, u32 reg_addr, u32 device_type, u16 *phy_data) { @@ -605,7 +732,18 @@ s32 ixgbe_init_ops_X550EM(struct ixgbe_hw *hw) /* PHY */ phy->ops.init = ixgbe_init_phy_ops_X550em; - phy->ops.identify = ixgbe_identify_phy_x550em; + switch (hw->device_id) { + case IXGBE_DEV_ID_X550EM_A_1G_T: + case IXGBE_DEV_ID_X550EM_A_1G_T_L: + mac->ops.setup_fc = NULL; + phy->ops.identify = ixgbe_identify_phy_fw; + phy->ops.set_phy_power = NULL; + phy->ops.get_firmware_version = NULL; + break; + default: + phy->ops.identify = ixgbe_identify_phy_x550em; + } + if (mac->ops.get_media_type(hw) != ixgbe_media_type_copper) phy->ops.set_phy_power = NULL; @@ -623,6 +761,92 @@ s32 ixgbe_init_ops_X550EM(struct ixgbe_hw *hw) return ret_val; } +/** + * ixgbe_setup_fw_link - Setup firmware-controlled PHYs + * @hw: pointer to hardware structure + */ +static s32 ixgbe_setup_fw_link(struct ixgbe_hw *hw) +{ + u32 setup[FW_PHY_ACT_DATA_COUNT] = { 0 }; + s32 rc; + u16 i; + + if (hw->phy.reset_disable || ixgbe_check_reset_blocked(hw)) + return 0; + + if (hw->fc.strict_ieee && hw->fc.requested_mode == ixgbe_fc_rx_pause) { + ERROR_REPORT1(IXGBE_ERROR_UNSUPPORTED, + "ixgbe_fc_rx_pause not valid in strict IEEE mode\n"); + return IXGBE_ERR_INVALID_LINK_SETTINGS; + } + + switch (hw->fc.requested_mode) { + case ixgbe_fc_full: + setup[0] |= FW_PHY_ACT_SETUP_LINK_PAUSE_RXTX << + FW_PHY_ACT_SETUP_LINK_PAUSE_SHIFT; + break; + case ixgbe_fc_rx_pause: + setup[0] |= FW_PHY_ACT_SETUP_LINK_PAUSE_RX << + FW_PHY_ACT_SETUP_LINK_PAUSE_SHIFT; + break; + case ixgbe_fc_tx_pause: + setup[0] |= FW_PHY_ACT_SETUP_LINK_PAUSE_TX << + FW_PHY_ACT_SETUP_LINK_PAUSE_SHIFT; + break; + default: + break; + } + + for (i = 0; i < sizeof(ixgbe_fw_map) / sizeof(ixgbe_fw_map[0]); ++i) { + if (hw->phy.autoneg_advertised & ixgbe_fw_map[i].phy_speed) + setup[0] |= ixgbe_fw_map[i].fw_speed; + } + setup[0] |= FW_PHY_ACT_SETUP_LINK_HP | FW_PHY_ACT_SETUP_LINK_AN; + + if (hw->phy.eee_speeds_advertised) + setup[0] |= FW_PHY_ACT_SETUP_LINK_EEE; + + rc = ixgbe_fw_phy_activity(hw, FW_PHY_ACT_SETUP_LINK, &setup); + if (rc) + return rc; + if (setup[0] == FW_PHY_ACT_SETUP_LINK_RSP_DOWN) + return IXGBE_ERR_OVERTEMP; + return IXGBE_SUCCESS; +} + +/** + * ixgbe_fc_autoneg_fw _ Set up flow control for FW-controlled PHYs + * @hw: pointer to hardware structure + * + * Called at init time to set up flow control. + */ +static s32 ixgbe_fc_autoneg_fw(struct ixgbe_hw *hw) +{ + if (hw->fc.requested_mode == ixgbe_fc_default) + hw->fc.requested_mode = ixgbe_fc_full; + + return ixgbe_setup_fw_link(hw); +} + +/** + * ixgbe_setup_eee_fw - Enable/disable EEE support + * @hw: pointer to the HW structure + * @enable_eee: boolean flag to enable EEE + * + * Enable/disable EEE based on enable_eee flag. + * This function controls EEE for firmware-based PHY implementations. + */ +static s32 ixgbe_setup_eee_fw(struct ixgbe_hw *hw, bool enable_eee) +{ + if (!!hw->phy.eee_speeds_advertised == enable_eee) + return IXGBE_SUCCESS; + if (enable_eee) + hw->phy.eee_speeds_advertised = hw->phy.eee_speeds_supported; + else + hw->phy.eee_speeds_advertised = 0; + return hw->phy.ops.setup_link(hw); +} + /** * ixgbe_init_ops_X550EM_a - Inits func ptrs and MAC type * @hw: pointer to hardware structure @@ -667,13 +891,13 @@ s32 ixgbe_init_ops_X550EM_a(struct ixgbe_hw *hw) if ((hw->device_id == IXGBE_DEV_ID_X550EM_A_1G_T) || (hw->device_id == IXGBE_DEV_ID_X550EM_A_1G_T_L)) { mac->ops.fc_autoneg = ixgbe_fc_autoneg_sgmii_x550em_a; - mac->ops.setup_fc = ixgbe_setup_fc_sgmii_x550em_a; + mac->ops.setup_fc = ixgbe_fc_autoneg_fw; } switch (hw->device_id) { case IXGBE_DEV_ID_X550EM_A_KR: case IXGBE_DEV_ID_X550EM_A_KR_L: - mac->ops.setup_eee = ixgbe_setup_eee_X550; + mac->ops.setup_eee = ixgbe_setup_eee_fw; break; default: mac->ops.setup_eee = NULL;