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|
/*-
* 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 <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#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;
/* 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;
/* 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_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_allow_set_mac_with_installed_filters = B_TRUE;
/* 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;
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 */
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