#include "sfc_log.h"
#include "sfc_ev.h"
#include "sfc_rx.h"
+#include "sfc_tx.h"
int
memset(esmp, 0, sizeof(*esmp));
}
+static uint32_t
+sfc_phy_cap_from_link_speeds(uint32_t speeds)
+{
+ uint32_t phy_caps = 0;
+
+ if (~speeds & ETH_LINK_SPEED_FIXED) {
+ phy_caps |= (1 << EFX_PHY_CAP_AN);
+ /*
+ * If no speeds are specified in the mask, any supported
+ * may be negotiated
+ */
+ if (speeds == ETH_LINK_SPEED_AUTONEG)
+ phy_caps |=
+ (1 << EFX_PHY_CAP_1000FDX) |
+ (1 << EFX_PHY_CAP_10000FDX) |
+ (1 << EFX_PHY_CAP_40000FDX);
+ }
+ if (speeds & ETH_LINK_SPEED_1G)
+ phy_caps |= (1 << EFX_PHY_CAP_1000FDX);
+ if (speeds & ETH_LINK_SPEED_10G)
+ phy_caps |= (1 << EFX_PHY_CAP_10000FDX);
+ if (speeds & ETH_LINK_SPEED_40G)
+ phy_caps |= (1 << EFX_PHY_CAP_40000FDX);
+
+ return phy_caps;
+}
+
/*
* Check requested device level configuration.
* Receive and transmit configuration is checked in corresponding
const struct rte_eth_conf *conf = &sa->eth_dev->data->dev_conf;
int rc = 0;
- if (conf->link_speeds != ETH_LINK_SPEED_AUTONEG) {
- sfc_err(sa, "Manual link speed/duplex choice not supported");
+ sa->port.phy_adv_cap =
+ sfc_phy_cap_from_link_speeds(conf->link_speeds) &
+ sa->port.phy_adv_cap_mask;
+ if ((sa->port.phy_adv_cap & ~(1 << EFX_PHY_CAP_AN)) == 0) {
+ sfc_err(sa, "No link speeds from mask %#x are supported",
+ conf->link_speeds);
rc = EINVAL;
}
rc = EINVAL;
}
- if (conf->intr_conf.lsc != 0) {
+ if ((conf->intr_conf.lsc != 0) &&
+ (sa->intr.type != EFX_INTR_LINE) &&
+ (sa->intr.type != EFX_INTR_MESSAGE)) {
sfc_err(sa, "Link status change interrupt not supported");
rc = EINVAL;
}
if (rc != 0)
goto fail_rx_start;
+ rc = sfc_tx_start(sa);
+ if (rc != 0)
+ goto fail_tx_start;
+
sa->state = SFC_ADAPTER_STARTED;
sfc_log_init(sa, "done");
return 0;
+fail_tx_start:
+ sfc_rx_stop(sa);
+
fail_rx_start:
sfc_port_stop(sa);
sa->state = SFC_ADAPTER_STOPPING;
+ sfc_tx_stop(sa);
sfc_rx_stop(sa);
sfc_port_stop(sa);
sfc_ev_stop(sa);
if (rc != 0)
goto fail_rx_init;
+ rc = sfc_tx_init(sa);
+ if (rc != 0)
+ goto fail_tx_init;
+
sa->state = SFC_ADAPTER_CONFIGURED;
sfc_log_init(sa, "done");
return 0;
+fail_tx_init:
+ sfc_rx_fini(sa);
+
fail_rx_init:
sfc_port_fini(sa);
SFC_ASSERT(sa->state == SFC_ADAPTER_CONFIGURED);
sa->state = SFC_ADAPTER_CLOSING;
+ sfc_tx_fini(sa);
sfc_rx_fini(sa);
sfc_port_fini(sa);
sfc_ev_fini(sa);
memset(ebp, 0, sizeof(*ebp));
}
+#if EFSYS_OPT_RX_SCALE
+/*
+ * A fixed RSS key which has a property of being symmetric
+ * (symmetrical flows are distributed to the same CPU)
+ * and also known to give a uniform distribution
+ * (a good distribution of traffic between different CPUs)
+ */
+static const uint8_t default_rss_key[SFC_RSS_KEY_SIZE] = {
+ 0x6d, 0x5a, 0x6d, 0x5a, 0x6d, 0x5a, 0x6d, 0x5a,
+ 0x6d, 0x5a, 0x6d, 0x5a, 0x6d, 0x5a, 0x6d, 0x5a,
+ 0x6d, 0x5a, 0x6d, 0x5a, 0x6d, 0x5a, 0x6d, 0x5a,
+ 0x6d, 0x5a, 0x6d, 0x5a, 0x6d, 0x5a, 0x6d, 0x5a,
+ 0x6d, 0x5a, 0x6d, 0x5a, 0x6d, 0x5a, 0x6d, 0x5a,
+};
+#endif
+
+static int
+sfc_set_rss_defaults(struct sfc_adapter *sa)
+{
+#if EFSYS_OPT_RX_SCALE
+ int rc;
+
+ rc = efx_intr_init(sa->nic, sa->intr.type, NULL);
+ if (rc != 0)
+ goto fail_intr_init;
+
+ rc = efx_ev_init(sa->nic);
+ if (rc != 0)
+ goto fail_ev_init;
+
+ rc = efx_rx_init(sa->nic);
+ if (rc != 0)
+ goto fail_rx_init;
+
+ rc = efx_rx_scale_support_get(sa->nic, &sa->rss_support);
+ if (rc != 0)
+ goto fail_scale_support_get;
+
+ rc = efx_rx_hash_support_get(sa->nic, &sa->hash_support);
+ if (rc != 0)
+ goto fail_hash_support_get;
+
+ efx_rx_fini(sa->nic);
+ efx_ev_fini(sa->nic);
+ efx_intr_fini(sa->nic);
+
+ sa->rss_hash_types = sfc_rte_to_efx_hash_type(SFC_RSS_OFFLOADS);
+
+ rte_memcpy(sa->rss_key, default_rss_key, sizeof(sa->rss_key));
+
+ return 0;
+
+fail_hash_support_get:
+fail_scale_support_get:
+fail_rx_init:
+ efx_ev_fini(sa->nic);
+
+fail_ev_init:
+ efx_intr_fini(sa->nic);
+
+fail_intr_init:
+ return rc;
+#else
+ return 0;
+#endif
+}
+
int
sfc_attach(struct sfc_adapter *sa)
{
struct rte_pci_device *pci_dev = SFC_DEV_TO_PCI(sa->eth_dev);
+ const efx_nic_cfg_t *encp;
efx_nic_t *enp;
int rc;
if (rc != 0)
goto fail_estimate_rsrc_limits;
+ encp = efx_nic_cfg_get(sa->nic);
+ sa->txq_max_entries = encp->enc_txq_max_ndescs;
+ SFC_ASSERT(rte_is_power_of_2(sa->txq_max_entries));
+
rc = sfc_intr_attach(sa);
if (rc != 0)
goto fail_intr_attach;
+ efx_phy_adv_cap_get(sa->nic, EFX_PHY_CAP_PERM,
+ &sa->port.phy_adv_cap_mask);
+
+ rc = sfc_set_rss_defaults(sa);
+ if (rc != 0)
+ goto fail_set_rss_defaults;
+
sfc_log_init(sa, "fini nic");
efx_nic_fini(enp);
sfc_log_init(sa, "done");
return 0;
+fail_set_rss_defaults:
+ sfc_intr_detach(sa);
+
fail_intr_attach:
+ efx_nic_fini(sa->nic);
+
fail_estimate_rsrc_limits:
fail_nic_reset:
sfc_log_init(sa, "unprobe nic");