From: Andy Moreton <amore...@solarflare.com>
Signed-off-by: Andy Moreton <amore...@solarflare.com>
Signed-off-by: Andrew Rybchenko <arybche...@solarflare.com>
---
drivers/net/sfc/Makefile | 1 +
drivers/net/sfc/base/ef10_nic.c | 34 +--
drivers/net/sfc/base/efx.h | 6 +-
drivers/net/sfc/base/efx_impl.h | 20 +-
drivers/net/sfc/base/efx_nic.c | 53 +++++
drivers/net/sfc/base/medford2_impl.h | 35 ++++
drivers/net/sfc/base/medford2_nic.c | 388 +++++++++++++++++++++++++++++++++++
drivers/net/sfc/base/meson.build | 3 +-
8 files changed, 518 insertions(+), 22 deletions(-)
create mode 100644 drivers/net/sfc/base/medford2_impl.h
create mode 100644 drivers/net/sfc/base/medford2_nic.c
diff --git a/drivers/net/sfc/Makefile b/drivers/net/sfc/Makefile
index 8a671dd..32b13dd 100644
--- a/drivers/net/sfc/Makefile
+++ b/drivers/net/sfc/Makefile
@@ -125,5 +125,6 @@ SRCS-$(CONFIG_RTE_LIBRTE_SFC_EFX_PMD) += ef10_tx.c
SRCS-$(CONFIG_RTE_LIBRTE_SFC_EFX_PMD) += ef10_vpd.c
SRCS-$(CONFIG_RTE_LIBRTE_SFC_EFX_PMD) += hunt_nic.c
SRCS-$(CONFIG_RTE_LIBRTE_SFC_EFX_PMD) += medford_nic.c
+SRCS-$(CONFIG_RTE_LIBRTE_SFC_EFX_PMD) += medford2_nic.c
include $(RTE_SDK)/mk/rte.lib.mk
diff --git a/drivers/net/sfc/base/ef10_nic.c b/drivers/net/sfc/base/ef10_nic.c
index eb9ec2b..311132d 100644
--- a/drivers/net/sfc/base/ef10_nic.c
+++ b/drivers/net/sfc/base/ef10_nic.c
@@ -10,7 +10,7 @@
#include "mcdi_mon.h"
#endif
-#if EFSYS_OPT_HUNTINGTON || EFSYS_OPT_MEDFORD
+#if EFSYS_OPT_HUNTINGTON || EFSYS_OPT_MEDFORD || EFSYS_OPT_MEDFORD2
#include "ef10_tlv_layout.h"
@@ -25,7 +25,8 @@ efx_mcdi_get_port_assignment(
efx_rc_t rc;
EFSYS_ASSERT(enp->en_family == EFX_FAMILY_HUNTINGTON ||
- enp->en_family == EFX_FAMILY_MEDFORD);
+ enp->en_family == EFX_FAMILY_MEDFORD ||
+ enp->en_family == EFX_FAMILY_MEDFORD2);
(void) memset(payload, 0, sizeof (payload));
req.emr_cmd = MC_CMD_GET_PORT_ASSIGNMENT;
@@ -70,7 +71,8 @@ efx_mcdi_get_port_modes(
efx_rc_t rc;
EFSYS_ASSERT(enp->en_family == EFX_FAMILY_HUNTINGTON ||
- enp->en_family == EFX_FAMILY_MEDFORD);
+ enp->en_family == EFX_FAMILY_MEDFORD ||
+ enp->en_family == EFX_FAMILY_MEDFORD2);
(void) memset(payload, 0, sizeof (payload));
req.emr_cmd = MC_CMD_GET_PORT_MODES;
@@ -250,7 +252,8 @@ efx_mcdi_get_mac_address_pf(
efx_rc_t rc;
EFSYS_ASSERT(enp->en_family == EFX_FAMILY_HUNTINGTON ||
- enp->en_family == EFX_FAMILY_MEDFORD);
+ enp->en_family == EFX_FAMILY_MEDFORD ||
+ enp->en_family == EFX_FAMILY_MEDFORD2);
(void) memset(payload, 0, sizeof (payload));
req.emr_cmd = MC_CMD_GET_MAC_ADDRESSES;
@@ -308,7 +311,8 @@ efx_mcdi_get_mac_address_vf(
efx_rc_t rc;
EFSYS_ASSERT(enp->en_family == EFX_FAMILY_HUNTINGTON ||
- enp->en_family == EFX_FAMILY_MEDFORD);
+ enp->en_family == EFX_FAMILY_MEDFORD ||
+ enp->en_family == EFX_FAMILY_MEDFORD2);
(void) memset(payload, 0, sizeof (payload));
req.emr_cmd = MC_CMD_VPORT_GET_MAC_ADDRESSES;
@@ -372,7 +376,8 @@ efx_mcdi_get_clock(
efx_rc_t rc;
EFSYS_ASSERT(enp->en_family == EFX_FAMILY_HUNTINGTON ||
- enp->en_family == EFX_FAMILY_MEDFORD);
+ enp->en_family == EFX_FAMILY_MEDFORD ||
+ enp->en_family == EFX_FAMILY_MEDFORD2);
(void) memset(payload, 0, sizeof (payload));
req.emr_cmd = MC_CMD_GET_CLOCK;
@@ -783,7 +788,8 @@ ef10_nic_pio_alloc(
efx_rc_t rc;
EFSYS_ASSERT(enp->en_family == EFX_FAMILY_HUNTINGTON ||
- enp->en_family == EFX_FAMILY_MEDFORD);
+ enp->en_family == EFX_FAMILY_MEDFORD ||
+ enp->en_family == EFX_FAMILY_MEDFORD2);
EFSYS_ASSERT(bufnump);
EFSYS_ASSERT(handlep);
EFSYS_ASSERT(blknump);
@@ -1283,7 +1289,8 @@ ef10_nic_probe(
efx_rc_t rc;
EFSYS_ASSERT(enp->en_family == EFX_FAMILY_HUNTINGTON ||
- enp->en_family == EFX_FAMILY_MEDFORD);
+ enp->en_family == EFX_FAMILY_MEDFORD ||
+ enp->en_family == EFX_FAMILY_MEDFORD2);
/* Read and clear any assertion state */
if ((rc = efx_mcdi_read_assertion(enp)) != 0)
@@ -1497,7 +1504,8 @@ ef10_nic_init(
efx_rc_t rc;
EFSYS_ASSERT(enp->en_family == EFX_FAMILY_HUNTINGTON ||
- enp->en_family == EFX_FAMILY_MEDFORD);
+ enp->en_family == EFX_FAMILY_MEDFORD ||
+ enp->en_family == EFX_FAMILY_MEDFORD2);
/* Enable reporting of some events (e.g. link change) */
if ((rc = efx_mcdi_log_ctrl(enp)) != 0)
@@ -1653,7 +1661,8 @@ ef10_nic_get_vi_pool(
__out uint32_t *vi_countp)
{
EFSYS_ASSERT(enp->en_family == EFX_FAMILY_HUNTINGTON ||
- enp->en_family == EFX_FAMILY_MEDFORD);
+ enp->en_family == EFX_FAMILY_MEDFORD ||
+ enp->en_family == EFX_FAMILY_MEDFORD2);
/*
* Report VIs that the client driver can use.
@@ -1674,7 +1683,8 @@ ef10_nic_get_bar_region(
efx_rc_t rc;
EFSYS_ASSERT(enp->en_family == EFX_FAMILY_HUNTINGTON ||
- enp->en_family == EFX_FAMILY_MEDFORD);
+ enp->en_family == EFX_FAMILY_MEDFORD ||
+ enp->en_family == EFX_FAMILY_MEDFORD2);
/*
* TODO: Specify host memory mapping alignment and granularity
@@ -1771,4 +1781,4 @@ ef10_nic_register_test(
#endif /* EFSYS_OPT_DIAG */
-#endif /* EFSYS_OPT_HUNTINGTON || EFSYS_OPT_MEDFORD */
+#endif /* EFSYS_OPT_HUNTINGTON || EFSYS_OPT_MEDFORD || EFSYS_OPT_MEDFORD2 */
diff --git a/drivers/net/sfc/base/efx.h b/drivers/net/sfc/base/efx.h
index 1bea124..5135673 100644
--- a/drivers/net/sfc/base/efx.h
+++ b/drivers/net/sfc/base/efx.h
@@ -176,7 +176,7 @@ efx_nic_check_pcie_link_speed(
#if EFSYS_OPT_MCDI
-#if EFSYS_OPT_HUNTINGTON || EFSYS_OPT_MEDFORD
+#if EFSYS_OPT_HUNTINGTON || EFSYS_OPT_MEDFORD || EFSYS_OPT_MEDFORD2
/* Huntington and Medford require MCDIv2 commands */
#define WITH_MCDI_V2 1
#endif
@@ -1144,11 +1144,11 @@ typedef struct efx_nic_cfg_s {
#if EFSYS_OPT_BIST
uint32_t enc_bist_mask;
#endif /* EFSYS_OPT_BIST */
-#if EFSYS_OPT_HUNTINGTON || EFSYS_OPT_MEDFORD
+#if EFSYS_OPT_HUNTINGTON || EFSYS_OPT_MEDFORD || EFSYS_OPT_MEDFORD2
uint32_t enc_pf;
uint32_t enc_vf;
uint32_t enc_privilege_mask;
-#endif /* EFSYS_OPT_HUNTINGTON || EFSYS_OPT_MEDFORD */
+#endif /* EFSYS_OPT_HUNTINGTON || EFSYS_OPT_MEDFORD || EFSYS_OPT_MEDFORD2 */
boolean_t enc_bug26807_workaround;
boolean_t enc_bug35388_workaround;
boolean_t enc_bug41750_workaround;
diff --git a/drivers/net/sfc/base/efx_impl.h b/drivers/net/sfc/base/efx_impl.h
index ed685cb..fadcbb4 100644
--- a/drivers/net/sfc/base/efx_impl.h
+++ b/drivers/net/sfc/base/efx_impl.h
@@ -29,9 +29,13 @@
#include "medford_impl.h"
#endif /* EFSYS_OPT_MEDFORD */
-#if (EFSYS_OPT_HUNTINGTON || EFSYS_OPT_MEDFORD)
+#if EFSYS_OPT_MEDFORD2
+#include "medford2_impl.h"
+#endif /* EFSYS_OPT_MEDFORD2 */
+
+#if (EFSYS_OPT_HUNTINGTON || EFSYS_OPT_MEDFORD || EFSYS_OPT_MEDFORD2)
#include "ef10_impl.h"
-#endif /* (EFSYS_OPT_HUNTINGTON || EFSYS_OPT_MEDFORD) */
+#endif /* (EFSYS_OPT_HUNTINGTON || EFSYS_OPT_MEDFORD || EFSYS_OPT_MEDFORD2) */
#ifdef __cplusplus
extern "C" {
@@ -398,9 +402,9 @@ typedef struct efx_filter_s {
#if EFSYS_OPT_SIENA
siena_filter_t *ef_siena_filter;
#endif /* EFSYS_OPT_SIENA */
-#if EFSYS_OPT_HUNTINGTON || EFSYS_OPT_MEDFORD
+#if EFSYS_OPT_HUNTINGTON || EFSYS_OPT_MEDFORD || EFSYS_OPT_MEDFORD2
ef10_filter_table_t *ef_ef10_filter_table;
-#endif /* EFSYS_OPT_HUNTINGTON || EFSYS_OPT_MEDFORD */
+#endif /* EFSYS_OPT_HUNTINGTON || EFSYS_OPT_MEDFORD || EFSYS_OPT_MEDFORD2 */
} efx_filter_t;
#if EFSYS_OPT_SIENA
@@ -683,7 +687,7 @@ struct efx_nic_s {
#endif /* EFSYS_OPT_SIENA */
int enu_unused;
} en_u;
-#if (EFSYS_OPT_HUNTINGTON || EFSYS_OPT_MEDFORD)
+#if (EFSYS_OPT_HUNTINGTON || EFSYS_OPT_MEDFORD || EFSYS_OPT_MEDFORD2)
union en_arch {
struct {
int ena_vi_base;
@@ -704,7 +708,7 @@ struct efx_nic_s {
size_t ena_wc_mem_map_size;
} ef10;
} en_arch;
-#endif /* (EFSYS_OPT_HUNTINGTON || EFSYS_OPT_MEDFORD) */
+#endif /* (EFSYS_OPT_HUNTINGTON || EFSYS_OPT_MEDFORD || EFSYS_OPT_MEDFORD2) */
};
@@ -825,6 +829,10 @@ struct efx_txq_s {
rev = 'E'; \
break; \
\
+ case EFX_FAMILY_MEDFORD2: \
+ rev = 'F'; \
+ break; \
+ \
default: \
rev = '?'; \
break; \
diff --git a/drivers/net/sfc/base/efx_nic.c b/drivers/net/sfc/base/efx_nic.c
index e318c17..7f32959 100644
--- a/drivers/net/sfc/base/efx_nic.c
+++ b/drivers/net/sfc/base/efx_nic.c
@@ -68,6 +68,24 @@ efx_family(
return (0);
#endif /* EFSYS_OPT_MEDFORD */
+#if EFSYS_OPT_MEDFORD2
+ case EFX_PCI_DEVID_MEDFORD2_PF_UNINIT:
+ /*
+ * Hardware default for PF0 of uninitialised Medford2.
+ * manftest must be able to cope with this device id.
+ */
+ *efp = EFX_FAMILY_MEDFORD2;
+ return (0);
+
+ case EFX_PCI_DEVID_MEDFORD2:
+ *efp = EFX_FAMILY_MEDFORD2;
+ return (0);
+
+ case EFX_PCI_DEVID_MEDFORD2_VF:
+ *efp = EFX_FAMILY_MEDFORD2;
+ return (0);
+#endif /* EFSYS_OPT_MEDFORD2 */
+
case EFX_PCI_DEVID_FALCON: /* Obsolete, not supported */
default:
break;
@@ -135,6 +153,25 @@ static const efx_nic_ops_t __efx_nic_medford_ops = {
#endif /* EFSYS_OPT_MEDFORD */
+#if EFSYS_OPT_MEDFORD2
+
+static const efx_nic_ops_t __efx_nic_medford2_ops = {
+ ef10_nic_probe, /* eno_probe */
+ medford2_board_cfg, /* eno_board_cfg */
+ ef10_nic_set_drv_limits, /* eno_set_drv_limits */
+ ef10_nic_reset, /* eno_reset */
+ ef10_nic_init, /* eno_init */
+ ef10_nic_get_vi_pool, /* eno_get_vi_pool */
+ ef10_nic_get_bar_region, /* eno_get_bar_region */
+#if EFSYS_OPT_DIAG
+ ef10_nic_register_test, /* eno_register_test */
+#endif /* EFSYS_OPT_DIAG */
+ ef10_nic_fini, /* eno_fini */
+ ef10_nic_unprobe, /* eno_unprobe */
+};
+
+#endif /* EFSYS_OPT_MEDFORD2 */
+
__checkReturn efx_rc_t
efx_nic_create(
@@ -213,6 +250,22 @@ efx_nic_create(
break;
#endif /* EFSYS_OPT_MEDFORD */
+#if EFSYS_OPT_MEDFORD2
+ case EFX_FAMILY_MEDFORD2:
+ enp->en_enop = &__efx_nic_medford2_ops;
+ enp->en_features =
+ EFX_FEATURE_IPV6 |
+ EFX_FEATURE_LINK_EVENTS |
+ EFX_FEATURE_PERIODIC_MAC_STATS |
+ EFX_FEATURE_MCDI |
+ EFX_FEATURE_MAC_HEADER_FILTERS |
+ EFX_FEATURE_MCDI_DMA |
+ EFX_FEATURE_PIO_BUFFERS |
+ EFX_FEATURE_FW_ASSISTED_TSO_V2 |
+ EFX_FEATURE_PACKED_STREAM;
+ break;
+#endif /* EFSYS_OPT_MEDFORD2 */
+
default:
rc = ENOTSUP;
goto fail2;
diff --git a/drivers/net/sfc/base/medford2_impl.h
b/drivers/net/sfc/base/medford2_impl.h
new file mode 100644
index 0000000..6259a70
--- /dev/null
+++ b/drivers/net/sfc/base/medford2_impl.h
@@ -0,0 +1,35 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ *
+ * Copyright (c) 2015-2018 Solarflare Communications Inc.
+ * All rights reserved.
+ */
+
+#ifndef _SYS_MEDFORD2_IMPL_H
+#define _SYS_MEDFORD2_IMPL_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+#ifndef ER_EZ_TX_PIOBUF_SIZE
+#define ER_EZ_TX_PIOBUF_SIZE 4096
+#endif
+
+
+#define MEDFORD2_PIOBUF_NBUFS (16)
+#define MEDFORD2_PIOBUF_SIZE (ER_EZ_TX_PIOBUF_SIZE)
+
+#define MEDFORD2_MIN_PIO_ALLOC_SIZE (MEDFORD2_PIOBUF_SIZE / 32)
+
+
+extern __checkReturn efx_rc_t
+medford2_board_cfg(
+ __in efx_nic_t *enp);
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _SYS_MEDFORD2_IMPL_H */
diff --git a/drivers/net/sfc/base/medford2_nic.c
b/drivers/net/sfc/base/medford2_nic.c
new file mode 100644
index 0000000..68435a0
--- /dev/null
+++ b/drivers/net/sfc/base/medford2_nic.c
@@ -0,0 +1,388 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ *
+ * Copyright (c) 2015-2018 Solarflare Communications Inc.
+ * All rights reserved.
+ */
+
+#include "efx.h"
+#include "efx_impl.h"
+
+
+#if EFSYS_OPT_MEDFORD2
+
+static __checkReturn efx_rc_t
+efx_mcdi_get_rxdp_config(
+ __in efx_nic_t *enp,
+ __out uint32_t *end_paddingp)
+{
+ efx_mcdi_req_t req;
+ uint8_t payload[MAX(MC_CMD_GET_RXDP_CONFIG_IN_LEN,
+ MC_CMD_GET_RXDP_CONFIG_OUT_LEN)];
+ uint32_t end_padding;
+ efx_rc_t rc;
+
+ memset(payload, 0, sizeof (payload));
+ req.emr_cmd = MC_CMD_GET_RXDP_CONFIG;
+ req.emr_in_buf = payload;
+ req.emr_in_length = MC_CMD_GET_RXDP_CONFIG_IN_LEN;
+ req.emr_out_buf = payload;
+ req.emr_out_length = MC_CMD_GET_RXDP_CONFIG_OUT_LEN;
+
+ efx_mcdi_execute(enp, &req);
+ if (req.emr_rc != 0) {
+ rc = req.emr_rc;
+ goto fail1;
+ }
+
+ if (MCDI_OUT_DWORD_FIELD(req, GET_RXDP_CONFIG_OUT_DATA,
+ GET_RXDP_CONFIG_OUT_PAD_HOST_DMA) == 0) {
+ /* RX DMA end padding is disabled */
+ end_padding = 0;
+ } else {
+ switch (MCDI_OUT_DWORD_FIELD(req, GET_RXDP_CONFIG_OUT_DATA,
+ GET_RXDP_CONFIG_OUT_PAD_HOST_LEN)) {
+ case MC_CMD_SET_RXDP_CONFIG_IN_PAD_HOST_64:
+ end_padding = 64;
+ break;
+ case MC_CMD_SET_RXDP_CONFIG_IN_PAD_HOST_128:
+ end_padding = 128;
+ break;
+ case MC_CMD_SET_RXDP_CONFIG_IN_PAD_HOST_256:
+ end_padding = 256;
+ break;
+ default:
+ rc = ENOTSUP;
+ goto fail2;
+ }
+ }
+
+ *end_paddingp = end_padding;
+
+ return (0);
+
+fail2:
+ EFSYS_PROBE(fail2);
+fail1:
+ EFSYS_PROBE1(fail1, efx_rc_t, rc);
+
+ return (rc);
+}
+
+static __checkReturn efx_rc_t
+medford2_nic_get_required_pcie_bandwidth(
+ __in efx_nic_t *enp,
+ __out uint32_t *bandwidth_mbpsp)
+{
+ uint32_t port_modes;
+ uint32_t current_mode;
+ uint32_t bandwidth;
+ efx_rc_t rc;
+
+ /* FIXME: support new Medford2 dynamic port modes */
+
+ if ((rc = efx_mcdi_get_port_modes(enp, &port_modes,
+ ¤t_mode)) != 0) {
+ /* No port mode info available. */
+ bandwidth = 0;
+ goto out;
+ }
+
+ if ((rc = ef10_nic_get_port_mode_bandwidth(current_mode,
+ &bandwidth)) != 0)
+ goto fail1;
+
+out:
+ *bandwidth_mbpsp = bandwidth;
+
+ return (0);
+
+fail1:
+ EFSYS_PROBE1(fail1, efx_rc_t, rc);
+
+ return (rc);
+}
+
+ __checkReturn efx_rc_t
+medford2_board_cfg(
+ __in efx_nic_t *enp)
+{
+ efx_mcdi_iface_t *emip = &(enp->en_mcdi.em_emip);
+ efx_nic_cfg_t *encp = &(enp->en_nic_cfg);
+ uint8_t mac_addr[6] = { 0 };
+ uint32_t board_type = 0;
+ ef10_link_state_t els;
+ efx_port_t *epp = &(enp->en_port);
+ uint32_t port;
+ uint32_t pf;
+ uint32_t vf;
+ uint32_t mask;
+ uint32_t sysclk, dpcpu_clk;
+ uint32_t base, nvec;
+ uint32_t end_padding;
+ uint32_t bandwidth;
+ efx_rc_t rc;
+
+ /*
+ * FIXME: Likely to be incomplete and incorrect.
+ * Parts of this should be shared with Huntington.
+ */
+
+ if ((rc = efx_mcdi_get_port_assignment(enp, &port)) != 0)
+ goto fail1;
+
+ /*
+ * NOTE: The MCDI protocol numbers ports from zero.
+ * The common code MCDI interface numbers ports from one.
+ */
+ emip->emi_port = port + 1;
+
+ if ((rc = ef10_external_port_mapping(enp, port,
+ &encp->enc_external_port)) != 0)
+ goto fail2;
+
+ /*
+ * Get PCIe function number from firmware (used for
+ * per-function privilege and dynamic config info).
+ * - PCIe PF: pf = PF number, vf = 0xffff.
+ * - PCIe VF: pf = parent PF, vf = VF number.
+ */
+ if ((rc = efx_mcdi_get_function_info(enp, &pf, &vf)) != 0)
+ goto fail3;
+
+ encp->enc_pf = pf;
+ encp->enc_vf = vf;
+
+ /* MAC address for this function */
+ if (EFX_PCI_FUNCTION_IS_PF(encp)) {
+ rc = efx_mcdi_get_mac_address_pf(enp, mac_addr);
+#if EFSYS_OPT_ALLOW_UNCONFIGURED_NIC
+ /*
+ * Disable static config checking for Medford NICs, ONLY
+ * for manufacturing test and setup at the factory, to
+ * allow the static config to be installed.
+ */
+#else /* EFSYS_OPT_ALLOW_UNCONFIGURED_NIC */
+ if ((rc == 0) && (mac_addr[0] & 0x02)) {
+ /*
+ * If the static config does not include a global MAC
+ * address pool then the board may return a locally
+ * administered MAC address (this should only happen on
+ * incorrectly programmed boards).
+ */
+ rc = EINVAL;
+ }
+#endif /* EFSYS_OPT_ALLOW_UNCONFIGURED_NIC */
+ } else {
+ rc = efx_mcdi_get_mac_address_vf(enp, mac_addr);
+ }
+ if (rc != 0)
+ goto fail4;
+
+ EFX_MAC_ADDR_COPY(encp->enc_mac_addr, mac_addr);
+
+ /* Board configuration */
+ rc = efx_mcdi_get_board_cfg(enp, &board_type, NULL, NULL);
+ if (rc != 0) {
+ /* Unprivileged functions may not be able to read board cfg */
+ if (rc == EACCES)
+ board_type = 0;
+ else
+ goto fail5;
+ }
+
+ encp->enc_board_type = board_type;
+ encp->enc_clk_mult = 1; /* not used for Medford2 */
+
+ /* Fill out fields in enp->en_port and enp->en_nic_cfg from MCDI */
+ if ((rc = efx_mcdi_get_phy_cfg(enp)) != 0)
+ goto fail6;
+
+ /* Obtain the default PHY advertised capabilities */
+ if ((rc = ef10_phy_get_link(enp, &els)) != 0)
+ goto fail7;
+ epp->ep_default_adv_cap_mask = els.els_adv_cap_mask;
+ epp->ep_adv_cap_mask = els.els_adv_cap_mask;
+
+ /*
+ * Enable firmware workarounds for hardware errata.
+ * Expected responses are:
+ * - 0 (zero):
+ * Success: workaround enabled or disabled as requested.
+ * - MC_CMD_ERR_ENOSYS (reported as ENOTSUP):
+ * Firmware does not support the MC_CMD_WORKAROUND request.
+ * (assume that the workaround is not supported).
+ * - MC_CMD_ERR_ENOENT (reported as ENOENT):
+ * Firmware does not support the requested workaround.
+ * - MC_CMD_ERR_EPERM (reported as EACCES):
+ * Unprivileged function cannot enable/disable workarounds.
+ *
+ * See efx_mcdi_request_errcode() for MCDI error translations.
+ */
+
+
+ if (EFX_PCI_FUNCTION_IS_VF(encp)) {
+ /*
+ * Interrupt testing does not work for VFs. See bug50084.
+ * FIXME: Does this still apply to Medford2?
+ */
+ encp->enc_bug41750_workaround = B_TRUE;
+ }
+
+ /* Chained multicast is always enabled on Medford2 */
+ encp->enc_bug26807_workaround = B_TRUE;
+
+ /*
+ * If the bug61265 workaround is enabled, then interrupt holdoff timers
+ * cannot be controlled by timer table writes, so MCDI must be used
+ * (timer table writes can still be used for wakeup timers).
+ */
+ rc = efx_mcdi_set_workaround(enp, MC_CMD_WORKAROUND_BUG61265, B_TRUE,
+ NULL);
+ if ((rc == 0) || (rc == EACCES))
+ encp->enc_bug61265_workaround = B_TRUE;
+ else if ((rc == ENOTSUP) || (rc == ENOENT))
+ encp->enc_bug61265_workaround = B_FALSE;
+ else
+ goto fail8;
+
+ /* Get clock frequencies (in MHz). */
+ if ((rc = efx_mcdi_get_clock(enp, &sysclk, &dpcpu_clk)) != 0)
+ goto fail9;
+
+ /*
+ * The Medford2 timer quantum is 1536 dpcpu_clk cycles, documented for
+ * the EV_TMR_VAL field of EV_TIMER_TBL. Scale for MHz and ns units.
+ */
+ encp->enc_evq_timer_quantum_ns = 1536000UL / dpcpu_clk; /* 1536 cycles
*/
+ encp->enc_evq_timer_max_us = (encp->enc_evq_timer_quantum_ns <<
+ FRF_CZ_TC_TIMER_VAL_WIDTH) / 1000;
+
+ /* Check capabilities of running datapath firmware */
+ if ((rc = ef10_get_datapath_caps(enp)) != 0)
+ goto fail10;
+
+ /* Alignment for receive packet DMA buffers */
+ encp->enc_rx_buf_align_start = 1;
+
+ /* Get the RX DMA end padding alignment configuration */
+ if ((rc = efx_mcdi_get_rxdp_config(enp, &end_padding)) != 0) {
+ if (rc != EACCES)
+ goto fail11;
+
+ /* Assume largest tail padding size supported by hardware */
+ end_padding = 256;
+ }
+ encp->enc_rx_buf_align_end = end_padding;
+
+ /* Alignment for WPTR updates */
+ encp->enc_rx_push_align = EF10_RX_WPTR_ALIGN;
+
+ /*
+ * Maximum number of exclusive RSS contexts which can be allocated. The
+ * hardware supports 64, but 6 are reserved for shared contexts. They
+ * are a global resource so not all may be available.
+ */
+ encp->enc_rx_scale_max_exclusive_contexts = 58;
+
+ encp->enc_tx_dma_desc_size_max = EFX_MASK32(ESF_DZ_RX_KER_BYTE_CNT);
+ /* No boundary crossing limits */
+ encp->enc_tx_dma_desc_boundary = 0;
+
+ /*
+ * Set resource limits for MC_CMD_ALLOC_VIS. Note that we cannot use
+ * MC_CMD_GET_RESOURCE_LIMITS here as that reports the available
+ * resources (allocated to this PCIe function), which is zero until
+ * after we have allocated VIs.
+ */
+ encp->enc_evq_limit = 1024;
+ encp->enc_rxq_limit = EFX_RXQ_LIMIT_TARGET;
+ encp->enc_txq_limit = EFX_TXQ_LIMIT_TARGET;
+
+ /*
+ * The maximum supported transmit queue size is 2048. TXQs with 4096
+ * descriptors are not supported as the top bit is used for vfifo
+ * stuffing.
+ */
+ encp->enc_txq_max_ndescs = 2048;
+
+ encp->enc_buftbl_limit = 0xFFFFFFFF;
+
+ encp->enc_piobuf_limit = MEDFORD2_PIOBUF_NBUFS;
+ encp->enc_piobuf_size = MEDFORD2_PIOBUF_SIZE;
+ encp->enc_piobuf_min_alloc_size = MEDFORD2_MIN_PIO_ALLOC_SIZE;
+
+ /*
+ * Get the current privilege mask. Note that this may be modified
+ * dynamically, so this value is informational only. DO NOT use
+ * the privilege mask to check for sufficient privileges, as that
+ * can result in time-of-check/time-of-use bugs.
+ */
+ if ((rc = ef10_get_privilege_mask(enp, &mask)) != 0)
+ goto fail12;
+ encp->enc_privilege_mask = mask;
+
+ /* Get interrupt vector limits */
+ if ((rc = efx_mcdi_get_vector_cfg(enp, &base, &nvec, NULL)) != 0) {
+ if (EFX_PCI_FUNCTION_IS_PF(encp))
+ goto fail13;
+
+ /* Ignore error (cannot query vector limits from a VF). */
+ base = 0;
+ nvec = 1024;
+ }
+ encp->enc_intr_vec_base = base;
+ encp->enc_intr_limit = nvec;
+
+ /*
+ * Maximum number of bytes into the frame the TCP header can start for
+ * firmware assisted TSO to work.
+ */
+ encp->enc_tx_tso_tcp_header_offset_limit = EF10_TCP_HEADER_OFFSET_LIMIT;
+
+ /*
+ * Medford2 stores a single global copy of VPD, not per-PF as on
+ * Huntington.
+ */
+ encp->enc_vpd_is_global = B_TRUE;
+
+ rc = medford2_nic_get_required_pcie_bandwidth(enp, &bandwidth);
+ if (rc != 0)
+ goto fail14;
+ encp->enc_required_pcie_bandwidth_mbps = bandwidth;
+ encp->enc_max_pcie_link_gen = EFX_PCIE_LINK_SPEED_GEN3;
+
+ return (0);
+
+fail14:
+ EFSYS_PROBE(fail14);
+fail13:
+ EFSYS_PROBE(fail13);
+fail12:
+ EFSYS_PROBE(fail12);
+fail11:
+ EFSYS_PROBE(fail11);
+fail10:
+ EFSYS_PROBE(fail10);
+fail9:
+ EFSYS_PROBE(fail9);
+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);
+}
+
+#endif /* EFSYS_OPT_MEDFORD2 */
diff --git a/drivers/net/sfc/base/meson.build b/drivers/net/sfc/base/meson.build
index f1e4973..a67a638 100644
--- a/drivers/net/sfc/base/meson.build
+++ b/drivers/net/sfc/base/meson.build
@@ -44,7 +44,8 @@ sources = [
'ef10_tx.c',
'ef10_vpd.c',
'hunt_nic.c',
- 'medford_nic.c'
+ 'medford_nic.c',
+ 'medford2_nic.c'
]
extra_flags = [
--
2.7.4
