-/*-
- * BSD LICENSE
+/* SPDX-License-Identifier: BSD-3-Clause
*
- * Copyright (c) 2016-2017 Solarflare Communications Inc.
+ * Copyright (c) 2016-2018 Solarflare Communications Inc.
* All rights reserved.
*
* This software was jointly developed between OKTET Labs (under contract
* for Solarflare) and Solarflare Communications, Inc.
- *
- * 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.
*/
/* sysconf() */
return efx_nic_set_drv_limits(sa->nic, &lim);
}
-int
-sfc_start(struct sfc_adapter *sa)
+static int
+sfc_try_start(struct sfc_adapter *sa)
{
+ const efx_nic_cfg_t *encp;
int rc;
sfc_log_init(sa, "entry");
SFC_ASSERT(sfc_adapter_is_locked(sa));
-
- switch (sa->state) {
- case SFC_ADAPTER_CONFIGURED:
- break;
- case SFC_ADAPTER_STARTED:
- sfc_info(sa, "already started");
- return 0;
- default:
- rc = EINVAL;
- goto fail_bad_state;
- }
-
- sa->state = SFC_ADAPTER_STARTING;
+ SFC_ASSERT(sa->state == SFC_ADAPTER_STARTING);
sfc_log_init(sa, "set resource limits");
rc = sfc_set_drv_limits(sa);
if (rc != 0)
goto fail_nic_init;
+ encp = efx_nic_cfg_get(sa->nic);
+ if (encp->enc_tunnel_encapsulations_supported != 0) {
+ sfc_log_init(sa, "apply tunnel config");
+ rc = efx_tunnel_reconfigure(sa->nic);
+ if (rc != 0)
+ goto fail_tunnel_reconfigure;
+ }
+
rc = sfc_intr_start(sa);
if (rc != 0)
goto fail_intr_start;
if (rc != 0)
goto fail_flows_insert;
- sa->state = SFC_ADAPTER_STARTED;
sfc_log_init(sa, "done");
return 0;
sfc_intr_stop(sa);
fail_intr_start:
+fail_tunnel_reconfigure:
efx_nic_fini(sa->nic);
fail_nic_init:
fail_set_drv_limits:
+ sfc_log_init(sa, "failed %d", rc);
+ return rc;
+}
+
+int
+sfc_start(struct sfc_adapter *sa)
+{
+ unsigned int start_tries = 3;
+ int rc;
+
+ sfc_log_init(sa, "entry");
+
+ SFC_ASSERT(sfc_adapter_is_locked(sa));
+
+ switch (sa->state) {
+ case SFC_ADAPTER_CONFIGURED:
+ break;
+ case SFC_ADAPTER_STARTED:
+ sfc_notice(sa, "already started");
+ return 0;
+ default:
+ rc = EINVAL;
+ goto fail_bad_state;
+ }
+
+ sa->state = SFC_ADAPTER_STARTING;
+
+ do {
+ rc = sfc_try_start(sa);
+ } while ((--start_tries > 0) &&
+ (rc == EIO || rc == EAGAIN || rc == ENOENT || rc == EINVAL));
+
+ if (rc != 0)
+ goto fail_try_start;
+
+ sa->state = SFC_ADAPTER_STARTED;
+ sfc_log_init(sa, "done");
+ return 0;
+
+fail_try_start:
sa->state = SFC_ADAPTER_CONFIGURED;
fail_bad_state:
sfc_log_init(sa, "failed %d", rc);
case SFC_ADAPTER_STARTED:
break;
case SFC_ADAPTER_CONFIGURED:
- sfc_info(sa, "already stopped");
+ sfc_notice(sa, "already stopped");
return;
default:
sfc_err(sa, "stop in unexpected state %u", sa->state);
else if (rc != 0)
sfc_err(sa, "cannot arm restart alarm (rc=%d)", rc);
else
- sfc_info(sa, "restart scheduled");
+ sfc_notice(sa, "restart scheduled");
}
int
}
static int
-sfc_mem_bar_init(struct sfc_adapter *sa)
+sfc_mem_bar_init(struct sfc_adapter *sa, unsigned int membar)
{
struct rte_eth_dev *eth_dev = sa->eth_dev;
struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev);
efsys_bar_t *ebp = &sa->mem_bar;
- unsigned int i;
- struct rte_mem_resource *res;
-
- for (i = 0; i < RTE_DIM(pci_dev->mem_resource); i++) {
- res = &pci_dev->mem_resource[i];
- if ((res->len != 0) && (res->phys_addr != 0)) {
- /* Found first memory BAR */
- SFC_BAR_LOCK_INIT(ebp, eth_dev->data->name);
- ebp->esb_rid = i;
- ebp->esb_dev = pci_dev;
- ebp->esb_base = res->addr;
- return 0;
- }
- }
+ struct rte_mem_resource *res = &pci_dev->mem_resource[membar];
- return EFAULT;
+ SFC_BAR_LOCK_INIT(ebp, eth_dev->data->name);
+ ebp->esb_rid = membar;
+ ebp->esb_dev = pci_dev;
+ ebp->esb_base = res->addr;
+ return 0;
}
static void
if (rc != 0)
goto fail_nic_reset;
+ /*
+ * Probed NIC is sufficient for tunnel init.
+ * Initialize tunnel support to be able to use libefx
+ * efx_tunnel_config_udp_{add,remove}() in any state and
+ * efx_tunnel_reconfigure() on start up.
+ */
+ rc = efx_tunnel_init(enp);
+ if (rc != 0)
+ goto fail_tunnel_init;
+
encp = efx_nic_cfg_get(sa->nic);
if (sa->dp_tx->features & SFC_DP_TX_FEAT_TSO) {
efx_nic_fini(sa->nic);
fail_estimate_rsrc_limits:
+fail_tunnel_init:
+ efx_tunnel_fini(sa->nic);
+
fail_nic_reset:
sfc_log_init(sa, "failed %d", rc);
sfc_port_detach(sa);
sfc_ev_detach(sa);
sfc_intr_detach(sa);
+ efx_tunnel_fini(sa->nic);
sa->state = SFC_ADAPTER_UNINITIALIZED;
}
sfc_probe(struct sfc_adapter *sa)
{
struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(sa->eth_dev);
+ unsigned int membar;
efx_nic_t *enp;
int rc;
sa->socket_id = rte_socket_id();
rte_atomic32_init(&sa->restart_required);
- sfc_log_init(sa, "init mem bar");
- rc = sfc_mem_bar_init(sa);
- if (rc != 0)
- goto fail_mem_bar_init;
-
sfc_log_init(sa, "get family");
rc = efx_family(pci_dev->id.vendor_id, pci_dev->id.device_id,
- &sa->family);
+ &sa->family, &membar);
if (rc != 0)
goto fail_family;
- sfc_log_init(sa, "family is %u", sa->family);
+ sfc_log_init(sa, "family is %u, membar is %u", sa->family, membar);
+
+ sfc_log_init(sa, "init mem bar");
+ rc = sfc_mem_bar_init(sa, membar);
+ if (rc != 0)
+ goto fail_mem_bar_init;
sfc_log_init(sa, "create nic");
rte_spinlock_init(&sa->nic_lock);
goto fail_mcdi_init;
sfc_log_init(sa, "probe nic");
- rc = efx_nic_probe(enp);
+ rc = efx_nic_probe(enp, EFX_FW_VARIANT_DONT_CARE);
if (rc != 0)
goto fail_nic_probe;
efx_nic_destroy(enp);
fail_nic_create:
-fail_family:
sfc_mem_bar_fini(sa);
fail_mem_bar_init:
+fail_family:
sfc_log_init(sa, "failed %d", rc);
return rc;
}
sfc_flow_fini(sa);
sa->state = SFC_ADAPTER_UNINITIALIZED;
}
+
+uint32_t
+sfc_register_logtype(struct sfc_adapter *sa, const char *lt_prefix_str,
+ uint32_t ll_default)
+{
+ size_t lt_prefix_str_size = strlen(lt_prefix_str);
+ size_t lt_str_size_max;
+ char *lt_str = NULL;
+ int ret;
+
+ if (SIZE_MAX - PCI_PRI_STR_SIZE - 1 > lt_prefix_str_size) {
+ ++lt_prefix_str_size; /* Reserve space for prefix separator */
+ lt_str_size_max = lt_prefix_str_size + PCI_PRI_STR_SIZE + 1;
+ } else {
+ return RTE_LOGTYPE_PMD;
+ }
+
+ lt_str = rte_zmalloc("logtype_str", lt_str_size_max, 0);
+ if (lt_str == NULL)
+ return RTE_LOGTYPE_PMD;
+
+ strncpy(lt_str, lt_prefix_str, lt_prefix_str_size);
+ lt_str[lt_prefix_str_size - 1] = '.';
+ rte_pci_device_name(&sa->pci_addr, lt_str + lt_prefix_str_size,
+ lt_str_size_max - lt_prefix_str_size);
+ lt_str[lt_str_size_max - 1] = '\0';
+
+ ret = rte_log_register_type_and_pick_level(lt_str, ll_default);
+ rte_free(lt_str);
+
+ return (ret < 0) ? RTE_LOGTYPE_PMD : ret;
+}