From fca143f059a0bddd7d47b8dc2df646a891b0eb0f Mon Sep 17 00:00:00 2001 From: Christian Ehrhardt Date: Tue, 16 May 2017 14:51:32 +0200 Subject: Imported Upstream version 17.05 --- drivers/net/sfc/base/siena_nic.c | 585 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 585 insertions(+) create mode 100644 drivers/net/sfc/base/siena_nic.c (limited to 'drivers/net/sfc/base/siena_nic.c') diff --git a/drivers/net/sfc/base/siena_nic.c b/drivers/net/sfc/base/siena_nic.c new file mode 100644 index 00000000..129b854b --- /dev/null +++ b/drivers/net/sfc/base/siena_nic.c @@ -0,0 +1,585 @@ +/* + * Copyright (c) 2009-2016 Solarflare Communications Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, + * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; + * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, + * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * The views and conclusions contained in the software and documentation are + * those of the authors and should not be interpreted as representing official + * policies, either expressed or implied, of the FreeBSD Project. + */ + +#include "efx.h" +#include "efx_impl.h" +#include "mcdi_mon.h" + +#if EFSYS_OPT_SIENA + +#if EFSYS_OPT_VPD || EFSYS_OPT_NVRAM + +static __checkReturn efx_rc_t +siena_nic_get_partn_mask( + __in efx_nic_t *enp, + __out unsigned int *maskp) +{ + efx_mcdi_req_t req; + uint8_t payload[MAX(MC_CMD_NVRAM_TYPES_IN_LEN, + MC_CMD_NVRAM_TYPES_OUT_LEN)]; + efx_rc_t rc; + + (void) memset(payload, 0, sizeof (payload)); + req.emr_cmd = MC_CMD_NVRAM_TYPES; + req.emr_in_buf = payload; + req.emr_in_length = MC_CMD_NVRAM_TYPES_IN_LEN; + req.emr_out_buf = payload; + req.emr_out_length = MC_CMD_NVRAM_TYPES_OUT_LEN; + + efx_mcdi_execute(enp, &req); + + if (req.emr_rc != 0) { + rc = req.emr_rc; + goto fail1; + } + + if (req.emr_out_length_used < MC_CMD_NVRAM_TYPES_OUT_LEN) { + rc = EMSGSIZE; + goto fail2; + } + + *maskp = MCDI_OUT_DWORD(req, NVRAM_TYPES_OUT_TYPES); + + return (0); + +fail2: + EFSYS_PROBE(fail2); +fail1: + EFSYS_PROBE1(fail1, efx_rc_t, rc); + + return (rc); +} + +#endif /* EFSYS_OPT_VPD || EFSYS_OPT_NVRAM */ + +static __checkReturn efx_rc_t +siena_board_cfg( + __in efx_nic_t *enp) +{ + efx_nic_cfg_t *encp = &(enp->en_nic_cfg); + uint8_t mac_addr[6]; + efx_dword_t capabilities; + uint32_t board_type; + uint32_t nevq, nrxq, ntxq; + efx_rc_t rc; + + /* External port identifier using one-based port numbering */ + encp->enc_external_port = (uint8_t)enp->en_mcdi.em_emip.emi_port; + + /* Board configuration */ + if ((rc = efx_mcdi_get_board_cfg(enp, &board_type, + &capabilities, mac_addr)) != 0) + goto fail1; + + EFX_MAC_ADDR_COPY(encp->enc_mac_addr, mac_addr); + + encp->enc_board_type = board_type; + + /* + * There is no possibility to determine the number of PFs on Siena + * by issuing MCDI request, and it is not an easy task to find the + * value based on the board type, so 'enc_hw_pf_count' is set to 1 + */ + encp->enc_hw_pf_count = 1; + + /* Additional capabilities */ + encp->enc_clk_mult = 1; + if (EFX_DWORD_FIELD(capabilities, MC_CMD_CAPABILITIES_TURBO)) { + enp->en_features |= EFX_FEATURE_TURBO; + + if (EFX_DWORD_FIELD(capabilities, + MC_CMD_CAPABILITIES_TURBO_ACTIVE)) { + encp->enc_clk_mult = 2; + } + } + + encp->enc_evq_timer_quantum_ns = + EFX_EVQ_SIENA_TIMER_QUANTUM_NS / encp->enc_clk_mult; + encp->enc_evq_timer_max_us = (encp->enc_evq_timer_quantum_ns << + FRF_CZ_TC_TIMER_VAL_WIDTH) / 1000; + + /* When hash header insertion is enabled, Siena inserts 16 bytes */ + encp->enc_rx_prefix_size = 16; + + /* Alignment for receive packet DMA buffers */ + encp->enc_rx_buf_align_start = 1; + encp->enc_rx_buf_align_end = 1; + + /* Alignment for WPTR updates */ + encp->enc_rx_push_align = 1; + + encp->enc_tx_dma_desc_size_max = EFX_MASK32(FSF_AZ_TX_KER_BYTE_COUNT); + /* Fragments must not span 4k boundaries. */ + encp->enc_tx_dma_desc_boundary = 4096; + + /* Resource limits */ + rc = efx_mcdi_get_resource_limits(enp, &nevq, &nrxq, &ntxq); + if (rc != 0) { + if (rc != ENOTSUP) + goto fail2; + + nevq = 1024; + nrxq = EFX_RXQ_LIMIT_TARGET; + ntxq = EFX_TXQ_LIMIT_TARGET; + } + encp->enc_evq_limit = nevq; + encp->enc_rxq_limit = MIN(EFX_RXQ_LIMIT_TARGET, nrxq); + encp->enc_txq_limit = MIN(EFX_TXQ_LIMIT_TARGET, ntxq); + + encp->enc_txq_max_ndescs = 4096; + + encp->enc_buftbl_limit = SIENA_SRAM_ROWS - + (encp->enc_txq_limit * EFX_TXQ_DC_NDESCS(EFX_TXQ_DC_SIZE)) - + (encp->enc_rxq_limit * EFX_RXQ_DC_NDESCS(EFX_RXQ_DC_SIZE)); + + encp->enc_hw_tx_insert_vlan_enabled = B_FALSE; + encp->enc_fw_assisted_tso_enabled = B_FALSE; + encp->enc_fw_assisted_tso_v2_enabled = B_FALSE; + encp->enc_fw_assisted_tso_v2_n_contexts = 0; + encp->enc_allow_set_mac_with_installed_filters = B_TRUE; + encp->enc_rx_packed_stream_supported = B_FALSE; + encp->enc_rx_var_packed_stream_supported = B_FALSE; + + /* Siena supports two 10G ports, and 8 lanes of PCIe Gen2 */ + encp->enc_required_pcie_bandwidth_mbps = 2 * 10000; + encp->enc_max_pcie_link_gen = EFX_PCIE_LINK_SPEED_GEN2; + + encp->enc_fw_verified_nvram_update_required = B_FALSE; + + return (0); + +fail2: + EFSYS_PROBE(fail2); +fail1: + EFSYS_PROBE1(fail1, efx_rc_t, rc); + + return (rc); +} + +static __checkReturn efx_rc_t +siena_phy_cfg( + __in efx_nic_t *enp) +{ + efx_nic_cfg_t *encp = &(enp->en_nic_cfg); + efx_rc_t rc; + + /* Fill out fields in enp->en_port and enp->en_nic_cfg from MCDI */ + if ((rc = efx_mcdi_get_phy_cfg(enp)) != 0) + goto fail1; + +#if EFSYS_OPT_PHY_STATS + /* Convert the MCDI statistic mask into the EFX_PHY_STAT mask */ + siena_phy_decode_stats(enp, encp->enc_mcdi_phy_stat_mask, + NULL, &encp->enc_phy_stat_mask, NULL); +#endif /* EFSYS_OPT_PHY_STATS */ + + return (0); + +fail1: + EFSYS_PROBE1(fail1, efx_rc_t, rc); + + return (rc); +} + + __checkReturn efx_rc_t +siena_nic_probe( + __in efx_nic_t *enp) +{ + efx_port_t *epp = &(enp->en_port); + efx_nic_cfg_t *encp = &(enp->en_nic_cfg); + siena_link_state_t sls; + unsigned int mask; + efx_oword_t oword; + efx_rc_t rc; + + EFSYS_ASSERT3U(enp->en_family, ==, EFX_FAMILY_SIENA); + + /* Test BIU */ + if ((rc = efx_nic_biu_test(enp)) != 0) + goto fail1; + + /* Clear the region register */ + EFX_POPULATE_OWORD_4(oword, + FRF_AZ_ADR_REGION0, 0, + FRF_AZ_ADR_REGION1, (1 << 16), + FRF_AZ_ADR_REGION2, (2 << 16), + FRF_AZ_ADR_REGION3, (3 << 16)); + EFX_BAR_WRITEO(enp, FR_AZ_ADR_REGION_REG, &oword); + + /* Read clear any assertion state */ + if ((rc = efx_mcdi_read_assertion(enp)) != 0) + goto fail2; + + /* Exit the assertion handler */ + if ((rc = efx_mcdi_exit_assertion_handler(enp)) != 0) + goto fail3; + + /* Wrestle control from the BMC */ + if ((rc = efx_mcdi_drv_attach(enp, B_TRUE)) != 0) + goto fail4; + + if ((rc = siena_board_cfg(enp)) != 0) + goto fail5; + + if ((rc = siena_phy_cfg(enp)) != 0) + goto fail6; + + /* Obtain the default PHY advertised capabilities */ + if ((rc = siena_nic_reset(enp)) != 0) + goto fail7; + if ((rc = siena_phy_get_link(enp, &sls)) != 0) + goto fail8; + epp->ep_default_adv_cap_mask = sls.sls_adv_cap_mask; + epp->ep_adv_cap_mask = sls.sls_adv_cap_mask; + +#if EFSYS_OPT_VPD || EFSYS_OPT_NVRAM + if ((rc = siena_nic_get_partn_mask(enp, &mask)) != 0) + goto fail9; + enp->en_u.siena.enu_partn_mask = mask; +#endif + +#if EFSYS_OPT_MAC_STATS + /* Wipe the MAC statistics */ + if ((rc = efx_mcdi_mac_stats_clear(enp)) != 0) + goto fail10; +#endif + +#if EFSYS_OPT_LOOPBACK + if ((rc = efx_mcdi_get_loopback_modes(enp)) != 0) + goto fail11; +#endif + +#if EFSYS_OPT_MON_STATS + if ((rc = mcdi_mon_cfg_build(enp)) != 0) + goto fail12; +#endif + + encp->enc_features = enp->en_features; + + return (0); + +#if EFSYS_OPT_MON_STATS +fail12: + EFSYS_PROBE(fail12); +#endif +#if EFSYS_OPT_LOOPBACK +fail11: + EFSYS_PROBE(fail11); +#endif +#if EFSYS_OPT_MAC_STATS +fail10: + EFSYS_PROBE(fail10); +#endif +#if EFSYS_OPT_VPD || EFSYS_OPT_NVRAM +fail9: + EFSYS_PROBE(fail9); +#endif +fail8: + EFSYS_PROBE(fail8); +fail7: + EFSYS_PROBE(fail7); +fail6: + EFSYS_PROBE(fail6); +fail5: + EFSYS_PROBE(fail5); +fail4: + EFSYS_PROBE(fail4); +fail3: + EFSYS_PROBE(fail3); +fail2: + EFSYS_PROBE(fail2); +fail1: + EFSYS_PROBE1(fail1, efx_rc_t, rc); + + return (rc); +} + + __checkReturn efx_rc_t +siena_nic_reset( + __in efx_nic_t *enp) +{ + efx_mcdi_req_t req; + efx_rc_t rc; + + EFSYS_ASSERT3U(enp->en_family, ==, EFX_FAMILY_SIENA); + + /* siena_nic_reset() is called to recover from BADASSERT failures. */ + if ((rc = efx_mcdi_read_assertion(enp)) != 0) + goto fail1; + if ((rc = efx_mcdi_exit_assertion_handler(enp)) != 0) + goto fail2; + + /* + * Bug24908: ENTITY_RESET_IN_LEN is non zero but zero may be supplied + * for backwards compatibility with PORT_RESET_IN_LEN. + */ + EFX_STATIC_ASSERT(MC_CMD_ENTITY_RESET_OUT_LEN == 0); + + req.emr_cmd = MC_CMD_ENTITY_RESET; + req.emr_in_buf = NULL; + req.emr_in_length = 0; + req.emr_out_buf = NULL; + req.emr_out_length = 0; + + efx_mcdi_execute(enp, &req); + + if (req.emr_rc != 0) { + rc = req.emr_rc; + goto fail3; + } + + return (0); + +fail3: + EFSYS_PROBE(fail3); +fail2: + EFSYS_PROBE(fail2); +fail1: + EFSYS_PROBE1(fail1, efx_rc_t, rc); + + return (0); +} + +static void +siena_nic_rx_cfg( + __in efx_nic_t *enp) +{ + efx_oword_t oword; + + /* + * RX_INGR_EN is always enabled on Siena, because we rely on + * the RX parser to be resiliant to missing SOP/EOP. + */ + EFX_BAR_READO(enp, FR_AZ_RX_CFG_REG, &oword); + EFX_SET_OWORD_FIELD(oword, FRF_BZ_RX_INGR_EN, 1); + EFX_BAR_WRITEO(enp, FR_AZ_RX_CFG_REG, &oword); + + /* Disable parsing of additional 802.1Q in Q packets */ + EFX_BAR_READO(enp, FR_AZ_RX_FILTER_CTL_REG, &oword); + EFX_SET_OWORD_FIELD(oword, FRF_CZ_RX_FILTER_ALL_VLAN_ETHERTYPES, 0); + EFX_BAR_WRITEO(enp, FR_AZ_RX_FILTER_CTL_REG, &oword); +} + +static void +siena_nic_usrev_dis( + __in efx_nic_t *enp) +{ + efx_oword_t oword; + + EFX_POPULATE_OWORD_1(oword, FRF_CZ_USREV_DIS, 1); + EFX_BAR_WRITEO(enp, FR_CZ_USR_EV_CFG, &oword); +} + + __checkReturn efx_rc_t +siena_nic_init( + __in efx_nic_t *enp) +{ + efx_rc_t rc; + + EFSYS_ASSERT3U(enp->en_family, ==, EFX_FAMILY_SIENA); + + /* Enable reporting of some events (e.g. link change) */ + if ((rc = efx_mcdi_log_ctrl(enp)) != 0) + goto fail1; + + siena_sram_init(enp); + + /* Configure Siena's RX block */ + siena_nic_rx_cfg(enp); + + /* Disable USR_EVents for now */ + siena_nic_usrev_dis(enp); + + /* bug17057: Ensure set_link is called */ + if ((rc = siena_phy_reconfigure(enp)) != 0) + goto fail2; + + enp->en_nic_cfg.enc_mcdi_max_payload_length = MCDI_CTL_SDU_LEN_MAX_V1; + + return (0); + +fail2: + EFSYS_PROBE(fail2); +fail1: + EFSYS_PROBE1(fail1, efx_rc_t, rc); + + return (rc); +} + + void +siena_nic_fini( + __in efx_nic_t *enp) +{ + _NOTE(ARGUNUSED(enp)) +} + + void +siena_nic_unprobe( + __in efx_nic_t *enp) +{ +#if EFSYS_OPT_MON_STATS + mcdi_mon_cfg_free(enp); +#endif /* EFSYS_OPT_MON_STATS */ + (void) efx_mcdi_drv_attach(enp, B_FALSE); +} + +#if EFSYS_OPT_DIAG + +static efx_register_set_t __siena_registers[] = { + { FR_AZ_ADR_REGION_REG_OFST, 0, 1 }, + { FR_CZ_USR_EV_CFG_OFST, 0, 1 }, + { FR_AZ_RX_CFG_REG_OFST, 0, 1 }, + { FR_AZ_TX_CFG_REG_OFST, 0, 1 }, + { FR_AZ_TX_RESERVED_REG_OFST, 0, 1 }, + { FR_AZ_SRM_TX_DC_CFG_REG_OFST, 0, 1 }, + { FR_AZ_RX_DC_CFG_REG_OFST, 0, 1 }, + { FR_AZ_RX_DC_PF_WM_REG_OFST, 0, 1 }, + { FR_AZ_DP_CTRL_REG_OFST, 0, 1 }, + { FR_BZ_RX_RSS_TKEY_REG_OFST, 0, 1}, + { FR_CZ_RX_RSS_IPV6_REG1_OFST, 0, 1}, + { FR_CZ_RX_RSS_IPV6_REG2_OFST, 0, 1}, + { FR_CZ_RX_RSS_IPV6_REG3_OFST, 0, 1} +}; + +static const uint32_t __siena_register_masks[] = { + 0x0003FFFF, 0x0003FFFF, 0x0003FFFF, 0x0003FFFF, + 0x000103FF, 0x00000000, 0x00000000, 0x00000000, + 0xFFFFFFFE, 0xFFFFFFFF, 0x0003FFFF, 0x00000000, + 0x7FFF0037, 0xFFFF8000, 0xFFFFFFFF, 0x03FFFFFF, + 0xFFFEFE80, 0x1FFFFFFF, 0x020000FE, 0x007FFFFF, + 0x001FFFFF, 0x00000000, 0x00000000, 0x00000000, + 0x00000003, 0x00000000, 0x00000000, 0x00000000, + 0x000003FF, 0x00000000, 0x00000000, 0x00000000, + 0x00000FFF, 0x00000000, 0x00000000, 0x00000000, + 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, + 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, + 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, + 0xFFFFFFFF, 0xFFFFFFFF, 0x00000007, 0x00000000 +}; + +static efx_register_set_t __siena_tables[] = { + { FR_AZ_RX_FILTER_TBL0_OFST, FR_AZ_RX_FILTER_TBL0_STEP, + FR_AZ_RX_FILTER_TBL0_ROWS }, + { FR_CZ_RX_MAC_FILTER_TBL0_OFST, FR_CZ_RX_MAC_FILTER_TBL0_STEP, + FR_CZ_RX_MAC_FILTER_TBL0_ROWS }, + { FR_AZ_RX_DESC_PTR_TBL_OFST, + FR_AZ_RX_DESC_PTR_TBL_STEP, FR_CZ_RX_DESC_PTR_TBL_ROWS }, + { FR_AZ_TX_DESC_PTR_TBL_OFST, + FR_AZ_TX_DESC_PTR_TBL_STEP, FR_CZ_TX_DESC_PTR_TBL_ROWS }, + { FR_AZ_TIMER_TBL_OFST, FR_AZ_TIMER_TBL_STEP, FR_CZ_TIMER_TBL_ROWS }, + { FR_CZ_TX_FILTER_TBL0_OFST, + FR_CZ_TX_FILTER_TBL0_STEP, FR_CZ_TX_FILTER_TBL0_ROWS }, + { FR_CZ_TX_MAC_FILTER_TBL0_OFST, + FR_CZ_TX_MAC_FILTER_TBL0_STEP, FR_CZ_TX_MAC_FILTER_TBL0_ROWS } +}; + +static const uint32_t __siena_table_masks[] = { + 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0x000003FF, + 0xFFFF0FFF, 0xFFFFFFFF, 0x00000E7F, 0x00000000, + 0xFFFFFFFE, 0x0FFFFFFF, 0x01800000, 0x00000000, + 0xFFFFFFFE, 0x0FFFFFFF, 0x0C000000, 0x00000000, + 0x3FFFFFFF, 0x00000000, 0x00000000, 0x00000000, + 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0x000013FF, + 0xFFFF07FF, 0xFFFFFFFF, 0x0000007F, 0x00000000, +}; + + __checkReturn efx_rc_t +siena_nic_register_test( + __in efx_nic_t *enp) +{ + efx_register_set_t *rsp; + const uint32_t *dwordp; + unsigned int nitems; + unsigned int count; + efx_rc_t rc; + + /* Fill out the register mask entries */ + EFX_STATIC_ASSERT(EFX_ARRAY_SIZE(__siena_register_masks) + == EFX_ARRAY_SIZE(__siena_registers) * 4); + + nitems = EFX_ARRAY_SIZE(__siena_registers); + dwordp = __siena_register_masks; + for (count = 0; count < nitems; ++count) { + rsp = __siena_registers + count; + rsp->mask.eo_u32[0] = *dwordp++; + rsp->mask.eo_u32[1] = *dwordp++; + rsp->mask.eo_u32[2] = *dwordp++; + rsp->mask.eo_u32[3] = *dwordp++; + } + + /* Fill out the register table entries */ + EFX_STATIC_ASSERT(EFX_ARRAY_SIZE(__siena_table_masks) + == EFX_ARRAY_SIZE(__siena_tables) * 4); + + nitems = EFX_ARRAY_SIZE(__siena_tables); + dwordp = __siena_table_masks; + for (count = 0; count < nitems; ++count) { + rsp = __siena_tables + count; + rsp->mask.eo_u32[0] = *dwordp++; + rsp->mask.eo_u32[1] = *dwordp++; + rsp->mask.eo_u32[2] = *dwordp++; + rsp->mask.eo_u32[3] = *dwordp++; + } + + if ((rc = efx_nic_test_registers(enp, __siena_registers, + EFX_ARRAY_SIZE(__siena_registers))) != 0) + goto fail1; + + if ((rc = efx_nic_test_tables(enp, __siena_tables, + EFX_PATTERN_BYTE_ALTERNATE, + EFX_ARRAY_SIZE(__siena_tables))) != 0) + goto fail2; + + if ((rc = efx_nic_test_tables(enp, __siena_tables, + EFX_PATTERN_BYTE_CHANGING, + EFX_ARRAY_SIZE(__siena_tables))) != 0) + goto fail3; + + if ((rc = efx_nic_test_tables(enp, __siena_tables, + EFX_PATTERN_BIT_SWEEP, EFX_ARRAY_SIZE(__siena_tables))) != 0) + goto fail4; + + return (0); + +fail4: + EFSYS_PROBE(fail4); +fail3: + EFSYS_PROBE(fail3); +fail2: + EFSYS_PROBE(fail2); +fail1: + EFSYS_PROBE1(fail1, efx_rc_t, rc); + + return (rc); +} + +#endif /* EFSYS_OPT_DIAG */ + +#endif /* EFSYS_OPT_SIENA */ -- cgit 1.2.3-korg