49ef7e0638c8b771d8a136eae78b1c0f99acc8e0Garrett D'Amore * Copyright (c) 2012-2015 Solarflare Communications Inc.
49ef7e0638c8b771d8a136eae78b1c0f99acc8e0Garrett D'Amore * All rights reserved.
49ef7e0638c8b771d8a136eae78b1c0f99acc8e0Garrett D'Amore * Redistribution and use in source and binary forms, with or without
49ef7e0638c8b771d8a136eae78b1c0f99acc8e0Garrett D'Amore * modification, are permitted provided that the following conditions are met:
49ef7e0638c8b771d8a136eae78b1c0f99acc8e0Garrett D'Amore * 1. Redistributions of source code must retain the above copyright notice,
49ef7e0638c8b771d8a136eae78b1c0f99acc8e0Garrett D'Amore * this list of conditions and the following disclaimer.
49ef7e0638c8b771d8a136eae78b1c0f99acc8e0Garrett D'Amore * 2. Redistributions in binary form must reproduce the above copyright notice,
49ef7e0638c8b771d8a136eae78b1c0f99acc8e0Garrett D'Amore * this list of conditions and the following disclaimer in the documentation
49ef7e0638c8b771d8a136eae78b1c0f99acc8e0Garrett D'Amore * and/or other materials provided with the distribution.
49ef7e0638c8b771d8a136eae78b1c0f99acc8e0Garrett D'Amore * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
49ef7e0638c8b771d8a136eae78b1c0f99acc8e0Garrett D'Amore * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
49ef7e0638c8b771d8a136eae78b1c0f99acc8e0Garrett D'Amore * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
49ef7e0638c8b771d8a136eae78b1c0f99acc8e0Garrett D'Amore * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
49ef7e0638c8b771d8a136eae78b1c0f99acc8e0Garrett D'Amore * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
49ef7e0638c8b771d8a136eae78b1c0f99acc8e0Garrett D'Amore * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
49ef7e0638c8b771d8a136eae78b1c0f99acc8e0Garrett D'Amore * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
49ef7e0638c8b771d8a136eae78b1c0f99acc8e0Garrett D'Amore * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
49ef7e0638c8b771d8a136eae78b1c0f99acc8e0Garrett D'Amore * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
49ef7e0638c8b771d8a136eae78b1c0f99acc8e0Garrett D'Amore * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
49ef7e0638c8b771d8a136eae78b1c0f99acc8e0Garrett D'Amore * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
49ef7e0638c8b771d8a136eae78b1c0f99acc8e0Garrett D'Amore * The views and conclusions contained in the software and documentation are
49ef7e0638c8b771d8a136eae78b1c0f99acc8e0Garrett D'Amore * those of the authors and should not be interpreted as representing official
49ef7e0638c8b771d8a136eae78b1c0f99acc8e0Garrett D'Amore * policies, either expressed or implied, of the FreeBSD Project.
49ef7e0638c8b771d8a136eae78b1c0f99acc8e0Garrett D'Amore efx_mcdi_iface_t *emip = &(enp->en_mcdi.em_emip);
49ef7e0638c8b771d8a136eae78b1c0f99acc8e0Garrett D'Amore if ((rc = efx_mcdi_get_port_assignment(enp, &port)) != 0)
49ef7e0638c8b771d8a136eae78b1c0f99acc8e0Garrett D'Amore * NOTE: The MCDI protocol numbers ports from zero.
49ef7e0638c8b771d8a136eae78b1c0f99acc8e0Garrett D'Amore * The common code MCDI interface numbers ports from one.
49ef7e0638c8b771d8a136eae78b1c0f99acc8e0Garrett D'Amore if ((rc = ef10_external_port_mapping(enp, port,
49ef7e0638c8b771d8a136eae78b1c0f99acc8e0Garrett D'Amore * Get PCIe function number from firmware (used for
49ef7e0638c8b771d8a136eae78b1c0f99acc8e0Garrett D'Amore * per-function privilege and dynamic config info).
49ef7e0638c8b771d8a136eae78b1c0f99acc8e0Garrett D'Amore * - PCIe PF: pf = PF number, vf = 0xffff.
49ef7e0638c8b771d8a136eae78b1c0f99acc8e0Garrett D'Amore * - PCIe VF: pf = parent PF, vf = VF number.
49ef7e0638c8b771d8a136eae78b1c0f99acc8e0Garrett D'Amore if ((rc = efx_mcdi_get_function_info(enp, &pf, &vf)) != 0)
49ef7e0638c8b771d8a136eae78b1c0f99acc8e0Garrett D'Amore /* MAC address for this function */
49ef7e0638c8b771d8a136eae78b1c0f99acc8e0Garrett D'Amore rc = efx_mcdi_get_mac_address_pf(enp, mac_addr);
49ef7e0638c8b771d8a136eae78b1c0f99acc8e0Garrett D'Amore * If the static config does not include a global MAC
49ef7e0638c8b771d8a136eae78b1c0f99acc8e0Garrett D'Amore * address pool then the board may return a locally
49ef7e0638c8b771d8a136eae78b1c0f99acc8e0Garrett D'Amore * administered MAC address (this should only happen on
49ef7e0638c8b771d8a136eae78b1c0f99acc8e0Garrett D'Amore * incorrectly programmed boards).
49ef7e0638c8b771d8a136eae78b1c0f99acc8e0Garrett D'Amore rc = efx_mcdi_get_mac_address_vf(enp, mac_addr);
49ef7e0638c8b771d8a136eae78b1c0f99acc8e0Garrett D'Amore EFX_MAC_ADDR_COPY(encp->enc_mac_addr, mac_addr);
49ef7e0638c8b771d8a136eae78b1c0f99acc8e0Garrett D'Amore /* Board configuration */
49ef7e0638c8b771d8a136eae78b1c0f99acc8e0Garrett D'Amore rc = efx_mcdi_get_board_cfg(enp, &board_type, NULL, NULL);
49ef7e0638c8b771d8a136eae78b1c0f99acc8e0Garrett D'Amore /* Unprivileged functions may not be able to read board cfg */
49ef7e0638c8b771d8a136eae78b1c0f99acc8e0Garrett D'Amore encp->enc_clk_mult = 1; /* not used for Huntington */
49ef7e0638c8b771d8a136eae78b1c0f99acc8e0Garrett D'Amore /* Fill out fields in enp->en_port and enp->en_nic_cfg from MCDI */
49ef7e0638c8b771d8a136eae78b1c0f99acc8e0Garrett D'Amore /* Obtain the default PHY advertised capabilities */
49ef7e0638c8b771d8a136eae78b1c0f99acc8e0Garrett D'Amore if ((rc = ef10_phy_get_link(enp, &els)) != 0)
49ef7e0638c8b771d8a136eae78b1c0f99acc8e0Garrett D'Amore epp->ep_default_adv_cap_mask = els.els_adv_cap_mask;
49ef7e0638c8b771d8a136eae78b1c0f99acc8e0Garrett D'Amore epp->ep_adv_cap_mask = els.els_adv_cap_mask;
49ef7e0638c8b771d8a136eae78b1c0f99acc8e0Garrett D'Amore * Enable firmware workarounds for hardware errata.
49ef7e0638c8b771d8a136eae78b1c0f99acc8e0Garrett D'Amore * Expected responses are:
49ef7e0638c8b771d8a136eae78b1c0f99acc8e0Garrett D'Amore * - 0 (zero):
49ef7e0638c8b771d8a136eae78b1c0f99acc8e0Garrett D'Amore * Success: workaround enabled or disabled as requested.
49ef7e0638c8b771d8a136eae78b1c0f99acc8e0Garrett D'Amore * - MC_CMD_ERR_ENOSYS (reported as ENOTSUP):
49ef7e0638c8b771d8a136eae78b1c0f99acc8e0Garrett D'Amore * Firmware does not support the MC_CMD_WORKAROUND request.
49ef7e0638c8b771d8a136eae78b1c0f99acc8e0Garrett D'Amore * (assume that the workaround is not supported).
49ef7e0638c8b771d8a136eae78b1c0f99acc8e0Garrett D'Amore * - MC_CMD_ERR_ENOENT (reported as ENOENT):
49ef7e0638c8b771d8a136eae78b1c0f99acc8e0Garrett D'Amore * Firmware does not support the requested workaround.
49ef7e0638c8b771d8a136eae78b1c0f99acc8e0Garrett D'Amore * - MC_CMD_ERR_EPERM (reported as EACCES):
49ef7e0638c8b771d8a136eae78b1c0f99acc8e0Garrett D'Amore * Unprivileged function cannot enable/disable workarounds.
49ef7e0638c8b771d8a136eae78b1c0f99acc8e0Garrett D'Amore * See efx_mcdi_request_errcode() for MCDI error translations.
49ef7e0638c8b771d8a136eae78b1c0f99acc8e0Garrett D'Amore * If the bug35388 workaround is enabled, then use an indirect access
49ef7e0638c8b771d8a136eae78b1c0f99acc8e0Garrett D'Amore * method to avoid unsafe EVQ writes.
49ef7e0638c8b771d8a136eae78b1c0f99acc8e0Garrett D'Amore rc = efx_mcdi_set_workaround(enp, MC_CMD_WORKAROUND_BUG35388, B_TRUE,
49ef7e0638c8b771d8a136eae78b1c0f99acc8e0Garrett D'Amore * If the bug41750 workaround is enabled, then do not test interrupts,
49ef7e0638c8b771d8a136eae78b1c0f99acc8e0Garrett D'Amore * as the test will fail (seen with Greenport controllers).
49ef7e0638c8b771d8a136eae78b1c0f99acc8e0Garrett D'Amore rc = efx_mcdi_set_workaround(enp, MC_CMD_WORKAROUND_BUG41750, B_TRUE,
49ef7e0638c8b771d8a136eae78b1c0f99acc8e0Garrett D'Amore /* Assume a controller with 40G ports needs the workaround. */
49ef7e0638c8b771d8a136eae78b1c0f99acc8e0Garrett D'Amore if (epp->ep_default_adv_cap_mask & EFX_PHY_CAP_40000FDX)
49ef7e0638c8b771d8a136eae78b1c0f99acc8e0Garrett D'Amore } else if ((rc == ENOTSUP) || (rc == ENOENT)) {
49ef7e0638c8b771d8a136eae78b1c0f99acc8e0Garrett D'Amore /* Interrupt testing does not work for VFs. See bug50084. */
49ef7e0638c8b771d8a136eae78b1c0f99acc8e0Garrett D'Amore * If the bug26807 workaround is enabled, then firmware has enabled
49ef7e0638c8b771d8a136eae78b1c0f99acc8e0Garrett D'Amore * support for chained multicast filters. Firmware will reset (FLR)
49ef7e0638c8b771d8a136eae78b1c0f99acc8e0Garrett D'Amore * functions which have filters in the hardware filter table when the
49ef7e0638c8b771d8a136eae78b1c0f99acc8e0Garrett D'Amore * workaround is enabled/disabled.
49ef7e0638c8b771d8a136eae78b1c0f99acc8e0Garrett D'Amore * We must recheck if the workaround is enabled after inserting the
49ef7e0638c8b771d8a136eae78b1c0f99acc8e0Garrett D'Amore * first hardware filter, in case it has been changed since this check.
49ef7e0638c8b771d8a136eae78b1c0f99acc8e0Garrett D'Amore rc = efx_mcdi_set_workaround(enp, MC_CMD_WORKAROUND_BUG26807,
49ef7e0638c8b771d8a136eae78b1c0f99acc8e0Garrett D'Amore if (flags & (1 << MC_CMD_WORKAROUND_EXT_OUT_FLR_DONE_LBN)) {
49ef7e0638c8b771d8a136eae78b1c0f99acc8e0Garrett D'Amore * Other functions had installed filters before the
49ef7e0638c8b771d8a136eae78b1c0f99acc8e0Garrett D'Amore * workaround was enabled, and they have been reset
49ef7e0638c8b771d8a136eae78b1c0f99acc8e0Garrett D'Amore * by firmware.
49ef7e0638c8b771d8a136eae78b1c0f99acc8e0Garrett D'Amore /* FIXME: bump MC warm boot count ? */
49ef7e0638c8b771d8a136eae78b1c0f99acc8e0Garrett D'Amore * Unprivileged functions cannot enable the workaround in older
49ef7e0638c8b771d8a136eae78b1c0f99acc8e0Garrett D'Amore } else if ((rc == ENOTSUP) || (rc == ENOENT)) {
49ef7e0638c8b771d8a136eae78b1c0f99acc8e0Garrett D'Amore /* Get sysclk frequency (in MHz). */
49ef7e0638c8b771d8a136eae78b1c0f99acc8e0Garrett D'Amore if ((rc = efx_mcdi_get_clock(enp, &sysclk)) != 0)
49ef7e0638c8b771d8a136eae78b1c0f99acc8e0Garrett D'Amore * The timer quantum is 1536 sysclk cycles, documented for the
49ef7e0638c8b771d8a136eae78b1c0f99acc8e0Garrett D'Amore * EV_TMR_VAL field of EV_TIMER_TBL. Scale for MHz and ns units.
49ef7e0638c8b771d8a136eae78b1c0f99acc8e0Garrett D'Amore encp->enc_evq_timer_quantum_ns = 1536000UL / sysclk; /* 1536 cycles */
49ef7e0638c8b771d8a136eae78b1c0f99acc8e0Garrett D'Amore encp->enc_evq_timer_max_us = (encp->enc_evq_timer_quantum_ns <<
49ef7e0638c8b771d8a136eae78b1c0f99acc8e0Garrett D'Amore encp->enc_evq_timer_max_us = (encp->enc_evq_timer_quantum_ns <<
49ef7e0638c8b771d8a136eae78b1c0f99acc8e0Garrett D'Amore /* Check capabilities of running datapath firmware */
49ef7e0638c8b771d8a136eae78b1c0f99acc8e0Garrett D'Amore if ((rc = ef10_get_datapath_caps(enp)) != 0)
49ef7e0638c8b771d8a136eae78b1c0f99acc8e0Garrett D'Amore /* Alignment for receive packet DMA buffers */
49ef7e0638c8b771d8a136eae78b1c0f99acc8e0Garrett D'Amore encp->enc_rx_buf_align_end = 64; /* RX DMA end padding */
49ef7e0638c8b771d8a136eae78b1c0f99acc8e0Garrett D'Amore /* Alignment for WPTR updates */
49ef7e0638c8b771d8a136eae78b1c0f99acc8e0Garrett D'Amore encp->enc_rx_push_align = EF10_RX_WPTR_ALIGN;
49ef7e0638c8b771d8a136eae78b1c0f99acc8e0Garrett D'Amore * Set resource limits for MC_CMD_ALLOC_VIS. Note that we cannot use
49ef7e0638c8b771d8a136eae78b1c0f99acc8e0Garrett D'Amore * MC_CMD_GET_RESOURCE_LIMITS here as that reports the available
49ef7e0638c8b771d8a136eae78b1c0f99acc8e0Garrett D'Amore * resources (allocated to this PCIe function), which is zero until
49ef7e0638c8b771d8a136eae78b1c0f99acc8e0Garrett D'Amore * after we have allocated VIs.
49ef7e0638c8b771d8a136eae78b1c0f99acc8e0Garrett D'Amore encp->enc_piobuf_min_alloc_size = HUNT_MIN_PIO_ALLOC_SIZE;
49ef7e0638c8b771d8a136eae78b1c0f99acc8e0Garrett D'Amore * Get the current privilege mask. Note that this may be modified
49ef7e0638c8b771d8a136eae78b1c0f99acc8e0Garrett D'Amore * dynamically, so this value is informational only. DO NOT use
49ef7e0638c8b771d8a136eae78b1c0f99acc8e0Garrett D'Amore * the privilege mask to check for sufficient privileges, as that
49ef7e0638c8b771d8a136eae78b1c0f99acc8e0Garrett D'Amore * can result in time-of-check/time-of-use bugs.
49ef7e0638c8b771d8a136eae78b1c0f99acc8e0Garrett D'Amore if ((rc = ef10_get_privilege_mask(enp, &mask)) != 0)
49ef7e0638c8b771d8a136eae78b1c0f99acc8e0Garrett D'Amore /* Get interrupt vector limits */
49ef7e0638c8b771d8a136eae78b1c0f99acc8e0Garrett D'Amore if ((rc = efx_mcdi_get_vector_cfg(enp, &base, &nvec, NULL)) != 0) {
49ef7e0638c8b771d8a136eae78b1c0f99acc8e0Garrett D'Amore /* Ignore error (cannot query vector limits from a VF). */
49ef7e0638c8b771d8a136eae78b1c0f99acc8e0Garrett D'Amore * Maximum number of bytes into the frame the TCP header can start for
49ef7e0638c8b771d8a136eae78b1c0f99acc8e0Garrett D'Amore * firmware assisted TSO to work.
49ef7e0638c8b771d8a136eae78b1c0f99acc8e0Garrett D'Amore encp->enc_tx_tso_tcp_header_offset_limit = EF10_TCP_HEADER_OFFSET_LIMIT;
49ef7e0638c8b771d8a136eae78b1c0f99acc8e0Garrett D'Amore#endif /* EFSYS_OPT_HUNTINGTON */