-/*-
- * Copyright (c) 2016 Solarflare Communications Inc.
+/* SPDX-License-Identifier: BSD-3-Clause
+ *
+ * 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.
*/
#include "efx.h"
#include "sfc.h"
#include "sfc_log.h"
+#include "sfc_kvargs.h"
+
+/** Default MAC statistics update period is 1 second */
+#define SFC_MAC_STATS_UPDATE_PERIOD_MS_DEF MS_PER_S
+
+/** The number of microseconds to sleep on attempt to get statistics update */
+#define SFC_MAC_STATS_UPDATE_RETRY_INTERVAL_US 10
+
+/** The number of attempts to await arrival of freshly generated statistics */
+#define SFC_MAC_STATS_UPDATE_NB_ATTEMPTS 50
/**
* Update MAC statistics in the buffer.
sfc_port_update_mac_stats(struct sfc_adapter *sa)
{
struct sfc_port *port = &sa->port;
+ efsys_mem_t *esmp = &port->mac_stats_dma_mem;
+ uint32_t *genp = NULL;
+ uint32_t gen_old;
+ unsigned int nb_attempts = 0;
int rc;
SFC_ASSERT(rte_spinlock_is_locked(&port->mac_stats_lock));
if (sa->state != SFC_ADAPTER_STARTED)
return EINVAL;
- rc = efx_mac_stats_update(sa->nic, &port->mac_stats_dma_mem,
- port->mac_stats_buf, NULL);
+ /*
+ * If periodic statistics DMA'ing is off or if not supported,
+ * make a manual request and keep an eye on timer if need be
+ */
+ if (!port->mac_stats_periodic_dma_supported ||
+ (port->mac_stats_update_period_ms == 0)) {
+ if (port->mac_stats_update_period_ms != 0) {
+ uint64_t timestamp = sfc_get_system_msecs();
+
+ if ((timestamp -
+ port->mac_stats_last_request_timestamp) <
+ port->mac_stats_update_period_ms)
+ return 0;
+
+ port->mac_stats_last_request_timestamp = timestamp;
+ }
+
+ rc = efx_mac_stats_upload(sa->nic, esmp);
+ if (rc != 0)
+ return rc;
+
+ genp = &port->mac_stats_update_generation;
+ gen_old = *genp;
+ }
+
+ do {
+ if (nb_attempts > 0)
+ rte_delay_us(SFC_MAC_STATS_UPDATE_RETRY_INTERVAL_US);
+
+ rc = efx_mac_stats_update(sa->nic, esmp,
+ port->mac_stats_buf, genp);
+ if (rc != 0)
+ return rc;
+
+ } while ((genp != NULL) && (*genp == gen_old) &&
+ (++nb_attempts < SFC_MAC_STATS_UPDATE_NB_ATTEMPTS));
+
+ return 0;
+}
+
+static void
+sfc_port_reset_sw_stats(struct sfc_adapter *sa)
+{
+ struct sfc_port *port = &sa->port;
+
+ /*
+ * Reset diff stats explicitly since check which does not allow
+ * the statistics to grow backward could deny it.
+ */
+ port->ipackets = 0;
+}
+
+int
+sfc_port_reset_mac_stats(struct sfc_adapter *sa)
+{
+ struct sfc_port *port = &sa->port;
+ int rc;
+
+ rte_spinlock_lock(&port->mac_stats_lock);
+ rc = efx_mac_stats_clear(sa->nic);
+ if (rc == 0)
+ sfc_port_reset_sw_stats(sa);
+ rte_spinlock_unlock(&port->mac_stats_lock);
+
+ return rc;
+}
+
+static int
+sfc_port_init_dev_link(struct sfc_adapter *sa)
+{
+ struct rte_eth_link *dev_link = &sa->eth_dev->data->dev_link;
+ int rc;
+ efx_link_mode_t link_mode;
+ struct rte_eth_link current_link;
+
+ rc = efx_port_poll(sa->nic, &link_mode);
if (rc != 0)
return rc;
+ sfc_port_link_mode_to_info(link_mode, ¤t_link);
+
+ EFX_STATIC_ASSERT(sizeof(*dev_link) == sizeof(rte_atomic64_t));
+ rte_atomic64_set((rte_atomic64_t *)dev_link,
+ *(uint64_t *)¤t_link);
+
return 0;
}
+#if EFSYS_OPT_LOOPBACK
+
+static efx_link_mode_t
+sfc_port_phy_caps_to_max_link_speed(uint32_t phy_caps)
+{
+ if (phy_caps & (1u << EFX_PHY_CAP_100000FDX))
+ return EFX_LINK_100000FDX;
+ if (phy_caps & (1u << EFX_PHY_CAP_50000FDX))
+ return EFX_LINK_50000FDX;
+ if (phy_caps & (1u << EFX_PHY_CAP_40000FDX))
+ return EFX_LINK_40000FDX;
+ if (phy_caps & (1u << EFX_PHY_CAP_25000FDX))
+ return EFX_LINK_25000FDX;
+ if (phy_caps & (1u << EFX_PHY_CAP_10000FDX))
+ return EFX_LINK_10000FDX;
+ if (phy_caps & (1u << EFX_PHY_CAP_1000FDX))
+ return EFX_LINK_1000FDX;
+ return EFX_LINK_UNKNOWN;
+}
+
+#endif
+
int
sfc_port_start(struct sfc_adapter *sa)
{
struct sfc_port *port = &sa->port;
int rc;
+ uint32_t phy_adv_cap;
+ const uint32_t phy_pause_caps =
+ ((1u << EFX_PHY_CAP_PAUSE) | (1u << EFX_PHY_CAP_ASYM));
+ unsigned int i;
sfc_log_init(sa, "entry");
if (rc != 0)
goto fail_port_init;
+#if EFSYS_OPT_LOOPBACK
+ if (sa->eth_dev->data->dev_conf.lpbk_mode != 0) {
+ efx_link_mode_t link_mode;
+
+ link_mode =
+ sfc_port_phy_caps_to_max_link_speed(port->phy_adv_cap);
+ sfc_log_init(sa, "set loopback link_mode=%u type=%u", link_mode,
+ sa->eth_dev->data->dev_conf.lpbk_mode);
+ rc = efx_port_loopback_set(sa->nic, link_mode,
+ sa->eth_dev->data->dev_conf.lpbk_mode);
+ if (rc != 0)
+ goto fail_loopback_set;
+ }
+#endif
+
sfc_log_init(sa, "set flow control to %#x autoneg=%u",
port->flow_ctrl, port->flow_ctrl_autoneg);
rc = efx_mac_fcntl_set(sa->nic, port->flow_ctrl,
if (rc != 0)
goto fail_mac_fcntl_set;
- sfc_log_init(sa, "set phy adv caps to %#x", port->phy_adv_cap);
- rc = efx_phy_adv_cap_set(sa->nic, port->phy_adv_cap);
+ /* Preserve pause capabilities set by above efx_mac_fcntl_set() */
+ efx_phy_adv_cap_get(sa->nic, EFX_PHY_CAP_CURRENT, &phy_adv_cap);
+ SFC_ASSERT((port->phy_adv_cap & phy_pause_caps) == 0);
+ phy_adv_cap = port->phy_adv_cap | (phy_adv_cap & phy_pause_caps);
+
+ /*
+ * No controls for FEC yet. Use default FEC mode.
+ * I.e. advertise everything supported (*_FEC=1), but do not request
+ * anything explicitly (*_FEC_REQUESTED=0).
+ */
+ phy_adv_cap |= port->phy_adv_cap_mask &
+ (1u << EFX_PHY_CAP_BASER_FEC |
+ 1u << EFX_PHY_CAP_RS_FEC |
+ 1u << EFX_PHY_CAP_25G_BASER_FEC);
+
+ sfc_log_init(sa, "set phy adv caps to %#x", phy_adv_cap);
+ rc = efx_phy_adv_cap_set(sa->nic, phy_adv_cap);
if (rc != 0)
goto fail_phy_adv_cap_set;
if (rc != 0)
goto fail_mac_pdu_set;
- sfc_log_init(sa, "set MAC address");
- rc = efx_mac_addr_set(sa->nic,
- sa->eth_dev->data->mac_addrs[0].addr_bytes);
- if (rc != 0)
- goto fail_mac_addr_set;
-
- sfc_log_init(sa, "set MAC filters");
- port->promisc = (sa->eth_dev->data->promiscuous != 0) ?
- B_TRUE : B_FALSE;
- port->allmulti = (sa->eth_dev->data->all_multicast != 0) ?
- B_TRUE : B_FALSE;
- rc = sfc_set_rx_mode(sa);
- if (rc != 0)
- goto fail_mac_filter_set;
+ if (!sfc_sa2shared(sa)->isolated) {
+ struct rte_ether_addr *addr = &port->default_mac_addr;
+
+ sfc_log_init(sa, "set MAC address");
+ rc = efx_mac_addr_set(sa->nic, addr->addr_bytes);
+ if (rc != 0)
+ goto fail_mac_addr_set;
+
+ sfc_log_init(sa, "set MAC filters");
+ port->promisc = (sa->eth_dev->data->promiscuous != 0) ?
+ B_TRUE : B_FALSE;
+ port->allmulti = (sa->eth_dev->data->all_multicast != 0) ?
+ B_TRUE : B_FALSE;
+ rc = sfc_set_rx_mode(sa);
+ if (rc != 0)
+ goto fail_mac_filter_set;
+
+ sfc_log_init(sa, "set multicast address list");
+ rc = efx_mac_multicast_list_set(sa->nic, port->mcast_addrs,
+ port->nb_mcast_addrs);
+ if (rc != 0)
+ goto fail_mcast_address_list_set;
+ }
+
+ if (port->mac_stats_reset_pending) {
+ rc = sfc_port_reset_mac_stats(sa);
+ if (rc != 0)
+ sfc_err(sa, "statistics reset failed (requested "
+ "before the port was started)");
+
+ port->mac_stats_reset_pending = B_FALSE;
+ }
efx_mac_stats_get_mask(sa->nic, port->mac_stats_mask,
sizeof(port->mac_stats_mask));
- /* Update MAC stats using periodic DMA.
- * Common code always uses 1000ms update period, so period_ms
- * parameter only needs to be non-zero to start updates.
- */
- sfc_log_init(sa, "request MAC stats DMA'ing");
- rc = efx_mac_stats_periodic(sa->nic, &port->mac_stats_dma_mem,
- 1000, B_FALSE);
- if (rc != 0)
- goto fail_mac_stats_periodic;
+ for (i = 0, port->mac_stats_nb_supported = 0; i < EFX_MAC_NSTATS; ++i)
+ if (EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask, i))
+ port->mac_stats_nb_supported++;
+
+ port->mac_stats_update_generation = 0;
+
+ if (port->mac_stats_update_period_ms != 0) {
+ /*
+ * Update MAC stats using periodic DMA;
+ * any positive update interval different from
+ * 1000 ms can be set only on SFN8xxx provided
+ * that FW version is 6.2.1.1033 or higher
+ */
+ sfc_log_init(sa, "request MAC stats DMA'ing");
+ rc = efx_mac_stats_periodic(sa->nic, &port->mac_stats_dma_mem,
+ port->mac_stats_update_period_ms,
+ B_FALSE);
+ if (rc == 0) {
+ port->mac_stats_periodic_dma_supported = B_TRUE;
+ } else if (rc == EOPNOTSUPP) {
+ port->mac_stats_periodic_dma_supported = B_FALSE;
+ port->mac_stats_last_request_timestamp = 0;
+ } else {
+ goto fail_mac_stats_periodic;
+ }
+ }
+
+ if ((port->mac_stats_update_period_ms != 0) &&
+ port->mac_stats_periodic_dma_supported) {
+ /*
+ * Request an explicit MAC stats upload immediately to
+ * preclude bogus figures readback if the user decides
+ * to read stats before periodic DMA is really started
+ */
+ rc = efx_mac_stats_upload(sa->nic, &port->mac_stats_dma_mem);
+ if (rc != 0)
+ goto fail_mac_stats_upload;
+ }
sfc_log_init(sa, "disable MAC drain");
rc = efx_mac_drain(sa->nic, B_FALSE);
if (rc != 0)
goto fail_mac_drain;
+ /* Synchronize link status knowledge */
+ rc = sfc_port_init_dev_link(sa);
+ if (rc != 0)
+ goto fail_port_init_dev_link;
+
sfc_log_init(sa, "done");
return 0;
+fail_port_init_dev_link:
+ (void)efx_mac_drain(sa->nic, B_TRUE);
+
fail_mac_drain:
+fail_mac_stats_upload:
(void)efx_mac_stats_periodic(sa->nic, &port->mac_stats_dma_mem,
0, B_FALSE);
fail_mac_stats_periodic:
+fail_mcast_address_list_set:
fail_mac_filter_set:
fail_mac_addr_set:
fail_mac_pdu_set:
fail_phy_adv_cap_set:
fail_mac_fcntl_set:
+#if EFSYS_OPT_LOOPBACK
+fail_loopback_set:
+#endif
efx_port_fini(sa->nic);
fail_port_init:
}
int
-sfc_port_init(struct sfc_adapter *sa)
+sfc_port_configure(struct sfc_adapter *sa)
{
const struct rte_eth_dev_data *dev_data = sa->eth_dev->data;
struct sfc_port *port = &sa->port;
+ const struct rte_eth_rxmode *rxmode = &dev_data->dev_conf.rxmode;
+
+ sfc_log_init(sa, "entry");
+
+ if (rxmode->offloads & DEV_RX_OFFLOAD_JUMBO_FRAME)
+ port->pdu = rxmode->max_rx_pkt_len;
+ else
+ port->pdu = EFX_MAC_PDU(dev_data->mtu);
+
+ return 0;
+}
+
+void
+sfc_port_close(struct sfc_adapter *sa)
+{
+ sfc_log_init(sa, "entry");
+}
+
+int
+sfc_port_attach(struct sfc_adapter *sa)
+{
+ struct sfc_port *port = &sa->port;
+ const efx_nic_cfg_t *encp = efx_nic_cfg_get(sa->nic);
+ const struct rte_ether_addr *from;
+ uint32_t mac_nstats;
+ size_t mac_stats_size;
+ long kvarg_stats_update_period_ms;
int rc;
sfc_log_init(sa, "entry");
+ efx_phy_adv_cap_get(sa->nic, EFX_PHY_CAP_PERM, &port->phy_adv_cap_mask);
+
/* Enable flow control by default */
port->flow_ctrl = EFX_FCNTL_RESPOND | EFX_FCNTL_GENERATE;
port->flow_ctrl_autoneg = B_TRUE;
- if (dev_data->dev_conf.rxmode.jumbo_frame)
- port->pdu = dev_data->dev_conf.rxmode.max_rx_pkt_len;
- else
- port->pdu = EFX_MAC_PDU(dev_data->mtu);
+ RTE_BUILD_BUG_ON(sizeof(encp->enc_mac_addr) != sizeof(*from));
+ from = (const struct rte_ether_addr *)(encp->enc_mac_addr);
+ ether_addr_copy(from, &port->default_mac_addr);
+
+ port->max_mcast_addrs = EFX_MAC_MULTICAST_LIST_MAX;
+ port->nb_mcast_addrs = 0;
+ port->mcast_addrs = rte_calloc_socket("mcast_addr_list_buf",
+ port->max_mcast_addrs,
+ EFX_MAC_ADDR_LEN, 0,
+ sa->socket_id);
+ if (port->mcast_addrs == NULL) {
+ rc = ENOMEM;
+ goto fail_mcast_addr_list_buf_alloc;
+ }
rte_spinlock_init(&port->mac_stats_lock);
if (port->mac_stats_buf == NULL)
goto fail_mac_stats_buf_alloc;
- rc = sfc_dma_alloc(sa, "mac_stats", 0, EFX_MAC_STATS_SIZE,
+ mac_nstats = efx_nic_cfg_get(sa->nic)->enc_mac_stats_nstats;
+ mac_stats_size = RTE_ALIGN(mac_nstats * sizeof(uint64_t), EFX_BUF_SIZE);
+ rc = sfc_dma_alloc(sa, "mac_stats", 0, mac_stats_size,
sa->socket_id, &port->mac_stats_dma_mem);
if (rc != 0)
goto fail_mac_stats_dma_alloc;
+ port->mac_stats_reset_pending = B_FALSE;
+
+ kvarg_stats_update_period_ms = SFC_MAC_STATS_UPDATE_PERIOD_MS_DEF;
+
+ rc = sfc_kvargs_process(sa, SFC_KVARG_STATS_UPDATE_PERIOD_MS,
+ sfc_kvarg_long_handler,
+ &kvarg_stats_update_period_ms);
+ if ((rc == 0) &&
+ ((kvarg_stats_update_period_ms < 0) ||
+ (kvarg_stats_update_period_ms > UINT16_MAX))) {
+ sfc_err(sa, "wrong '" SFC_KVARG_STATS_UPDATE_PERIOD_MS "' "
+ "was set (%ld);", kvarg_stats_update_period_ms);
+ sfc_err(sa, "it must not be less than 0 "
+ "or greater than %" PRIu16, UINT16_MAX);
+ rc = EINVAL;
+ goto fail_kvarg_stats_update_period_ms;
+ } else if (rc != 0) {
+ goto fail_kvarg_stats_update_period_ms;
+ }
+
+ port->mac_stats_update_period_ms = kvarg_stats_update_period_ms;
+
sfc_log_init(sa, "done");
return 0;
+fail_kvarg_stats_update_period_ms:
+ sfc_dma_free(sa, &port->mac_stats_dma_mem);
+
fail_mac_stats_dma_alloc:
rte_free(port->mac_stats_buf);
+
fail_mac_stats_buf_alloc:
+ rte_free(port->mcast_addrs);
+
+fail_mcast_addr_list_buf_alloc:
sfc_log_init(sa, "failed %d", rc);
return rc;
}
void
-sfc_port_fini(struct sfc_adapter *sa)
+sfc_port_detach(struct sfc_adapter *sa)
{
struct sfc_port *port = &sa->port;
sfc_dma_free(sa, &port->mac_stats_dma_mem);
rte_free(port->mac_stats_buf);
+ rte_free(port->mcast_addrs);
+
sfc_log_init(sa, "done");
}
link_info->link_speed = ETH_SPEED_NUM_10G;
link_info->link_duplex = ETH_LINK_FULL_DUPLEX;
break;
+ case EFX_LINK_25000FDX:
+ link_info->link_speed = ETH_SPEED_NUM_25G;
+ link_info->link_duplex = ETH_LINK_FULL_DUPLEX;
+ break;
case EFX_LINK_40000FDX:
link_info->link_speed = ETH_SPEED_NUM_40G;
link_info->link_duplex = ETH_LINK_FULL_DUPLEX;
break;
+ case EFX_LINK_50000FDX:
+ link_info->link_speed = ETH_SPEED_NUM_50G;
+ link_info->link_duplex = ETH_LINK_FULL_DUPLEX;
+ break;
+ case EFX_LINK_100000FDX:
+ link_info->link_speed = ETH_SPEED_NUM_100G;
+ link_info->link_duplex = ETH_LINK_FULL_DUPLEX;
+ break;
default:
SFC_ASSERT(B_FALSE);
/* FALLTHROUGH */
git.droids-corp.org / dpdk.git / blobdiff