/*-
* BSD LICENSE
*
- * Copyright(c) 2014-2015 Chelsio Communications.
+ * Copyright(c) 2014-2017 Chelsio Communications.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
#include <rte_atomic.h>
#include <rte_branch_prediction.h>
#include <rte_memory.h>
-#include <rte_memzone.h>
#include <rte_tailq.h>
#include <rte_eal.h>
#include <rte_alarm.h>
#include <rte_ether.h>
#include <rte_ethdev.h>
-#include <rte_atomic.h>
+#include <rte_ethdev_pci.h>
#include <rte_malloc.h>
#include <rte_random.h>
#include <rte_dev.h>
static inline bool is_x_1g_port(const struct link_config *lc)
{
- return ((lc->supported & FW_PORT_CAP_SPEED_1G) != 0);
+ return (lc->supported & FW_PORT_CAP_SPEED_1G) != 0;
}
static inline bool is_x_10g_port(const struct link_config *lc)
{
- return ((lc->supported & FW_PORT_CAP_SPEED_10G) != 0 ||
- (lc->supported & FW_PORT_CAP_SPEED_40G) != 0 ||
- (lc->supported & FW_PORT_CAP_SPEED_100G) != 0);
+ unsigned int speeds, high_speeds;
+
+ speeds = V_FW_PORT_CAP_SPEED(G_FW_PORT_CAP_SPEED(lc->supported));
+ high_speeds = speeds & ~(FW_PORT_CAP_SPEED_100M | FW_PORT_CAP_SPEED_1G);
+
+ return high_speeds != 0;
}
inline void init_rspq(struct adapter *adap, struct sge_rspq *q,
for (i = 0; i < ARRAY_SIZE(s->ethrxq); i++) {
struct sge_eth_rxq *r = &s->ethrxq[i];
- init_rspq(adap, &r->rspq, 0, 0, 1024, 64);
+ init_rspq(adap, &r->rspq, 5, 32, 1024, 64);
r->usembufs = 1;
r->fl.size = (r->usembufs ? 1024 : 72);
}
}
}
+void cxgbe_stats_get(struct port_info *pi, struct port_stats *stats)
+{
+ t4_get_port_stats_offset(pi->adapter, pi->tx_chan, stats,
+ &pi->stats_base);
+}
+
+void cxgbe_stats_reset(struct port_info *pi)
+{
+ t4_clr_port_stats(pi->adapter, pi->tx_chan);
+}
+
static void setup_memwin(struct adapter *adap)
{
u32 mem_win0_base;
for_each_port(adap, i) {
struct port_info *pi = adap2pinfo(adap, i);
- pi->rss = rte_zmalloc(NULL, pi->rss_size, 0);
+ pi->rss = rte_zmalloc(NULL, pi->rss_size * sizeof(u16), 0);
if (!pi->rss)
return -ENOMEM;
}
return 0;
}
+/**
+ * Dump basic information about the adapter.
+ */
+static void print_adapter_info(struct adapter *adap)
+{
+ /**
+ * Hardware/Firmware/etc. Version/Revision IDs.
+ */
+ t4_dump_version_info(adap);
+}
+
static void print_port_info(struct adapter *adap)
{
int i;
char *bufp = buf;
if (pi->link_cfg.supported & FW_PORT_CAP_SPEED_100M)
- bufp += sprintf(bufp, "100/");
+ bufp += sprintf(bufp, "100M/");
if (pi->link_cfg.supported & FW_PORT_CAP_SPEED_1G)
- bufp += sprintf(bufp, "1000/");
+ bufp += sprintf(bufp, "1G/");
if (pi->link_cfg.supported & FW_PORT_CAP_SPEED_10G)
bufp += sprintf(bufp, "10G/");
+ if (pi->link_cfg.supported & FW_PORT_CAP_SPEED_25G)
+ bufp += sprintf(bufp, "25G/");
if (pi->link_cfg.supported & FW_PORT_CAP_SPEED_40G)
bufp += sprintf(bufp, "40G/");
+ if (pi->link_cfg.supported & FW_PORT_CAP_SPEED_100G)
+ bufp += sprintf(bufp, "100G/");
if (bufp != buf)
--bufp;
sprintf(bufp, "BASE-%s",
- t4_get_port_type_description(pi->port_type));
+ t4_get_port_type_description(
+ (enum fw_port_type)pi->port_type));
dev_info(adap,
" " PCI_PRI_FMT " Chelsio rev %d %s %s\n",
}
}
+static void configure_pcie_ext_tag(struct adapter *adapter)
+{
+ u16 v;
+ int pos = t4_os_find_pci_capability(adapter, PCI_CAP_ID_EXP);
+
+ if (!pos)
+ return;
+
+ if (pos > 0) {
+ t4_os_pci_read_cfg2(adapter, pos + PCI_EXP_DEVCTL, &v);
+ v |= PCI_EXP_DEVCTL_EXT_TAG;
+ t4_os_pci_write_cfg2(adapter, pos + PCI_EXP_DEVCTL, v);
+ if (is_t6(adapter->params.chip)) {
+ t4_set_reg_field(adapter, A_PCIE_CFG2,
+ V_T6_TOTMAXTAG(M_T6_TOTMAXTAG),
+ V_T6_TOTMAXTAG(7));
+ t4_set_reg_field(adapter, A_PCIE_CMD_CFG,
+ V_T6_MINTAG(M_T6_MINTAG),
+ V_T6_MINTAG(8));
+ } else {
+ t4_set_reg_field(adapter, A_PCIE_CFG2,
+ V_TOTMAXTAG(M_TOTMAXTAG),
+ V_TOTMAXTAG(3));
+ t4_set_reg_field(adapter, A_PCIE_CMD_CFG,
+ V_MINTAG(M_MINTAG),
+ V_MINTAG(8));
+ }
+ }
+}
+
/*
* Tweak configuration based on system architecture, etc. Most of these have
* defaults assigned to them by Firmware Configuration Files (if we're using
* Line Size, etc. The firmware default is for a 4KB Page Size and
* 64B Cache Line Size ...
*/
- t4_fixup_host_params_compat(adapter, PAGE_SIZE, L1_CACHE_BYTES,
+ t4_fixup_host_params_compat(adapter, CXGBE_PAGE_SIZE, L1_CACHE_BYTES,
T5_LAST_REV);
/*
t4_set_reg_field(adapter, A_SGE_CONTROL, V_PKTSHIFT(M_PKTSHIFT),
V_PKTSHIFT(rx_dma_offset));
+ t4_set_reg_field(adapter, A_SGE_FLM_CFG,
+ V_CREDITCNT(M_CREDITCNT) | M_CREDITCNTPACKING,
+ V_CREDITCNT(3) | V_CREDITCNTPACKING(1));
+
+ t4_set_reg_field(adapter, A_SGE_INGRESS_RX_THRESHOLD,
+ V_THRESHOLD_3(M_THRESHOLD_3), V_THRESHOLD_3(32U));
+
+ t4_set_reg_field(adapter, A_SGE_CONTROL2, V_IDMAARBROUNDROBIN(1U),
+ V_IDMAARBROUNDROBIN(1U));
+
/*
* Don't include the "IP Pseudo Header" in CPL_RX_PKT checksums: Linux
* adds the pseudo header itself.
/*
* Return successfully and note that we're operating with parameters
* not supplied by the driver, rather than from hard-wired
- * initialization constants burried in the driver.
+ * initialization constants buried in the driver.
*/
dev_info(adapter,
"Successfully configured using Firmware Configuration File \"%s\", version %#x, computed checksum %#x\n",
dev_err(adap, "Failed to restart. Exit.\n");
goto bye;
}
- state &= ~DEV_STATE_INIT;
+ state = (enum dev_state)((unsigned)state & ~DEV_STATE_INIT);
}
- t4_get_fw_version(adap, &adap->params.fw_vers);
- t4_get_tp_version(adap, &adap->params.tp_vers);
-
- dev_info(adap, "fw: %u.%u.%u.%u, TP: %u.%u.%u.%u\n",
- G_FW_HDR_FW_VER_MAJOR(adap->params.fw_vers),
- G_FW_HDR_FW_VER_MINOR(adap->params.fw_vers),
- G_FW_HDR_FW_VER_MICRO(adap->params.fw_vers),
- G_FW_HDR_FW_VER_BUILD(adap->params.fw_vers),
- G_FW_HDR_FW_VER_MAJOR(adap->params.tp_vers),
- G_FW_HDR_FW_VER_MINOR(adap->params.tp_vers),
- G_FW_HDR_FW_VER_MICRO(adap->params.tp_vers),
- G_FW_HDR_FW_VER_BUILD(adap->params.tp_vers));
+ t4_get_version_info(adap);
ret = t4_get_core_clock(adap, &adap->params.vpd);
if (ret < 0) {
goto bye;
}
- /*
- * Find out what ports are available to us. Note that we need to do
- * this before calling adap_init0_no_config() since it needs nports
- * and portvec ...
- */
- v = V_FW_PARAMS_MNEM(FW_PARAMS_MNEM_DEV) |
- V_FW_PARAMS_PARAM_X(FW_PARAMS_PARAM_DEV_PORTVEC);
- ret = t4_query_params(adap, adap->mbox, adap->pf, 0, 1, &v, &port_vec);
- if (ret < 0) {
- dev_err(adap, "%s: failure in t4_queury_params; error = %d\n",
- __func__, ret);
- goto bye;
- }
-
- adap->params.nports = hweight32(port_vec);
- adap->params.portvec = port_vec;
-
- dev_debug(adap, "%s: adap->params.nports = %u\n", __func__,
- adap->params.nports);
-
/*
* If the firmware is initialized already (and we're not forcing a
* master initialization), note that we're living with existing
goto bye;
}
+ /* Find out what ports are available to us. */
+ v = V_FW_PARAMS_MNEM(FW_PARAMS_MNEM_DEV) |
+ V_FW_PARAMS_PARAM_X(FW_PARAMS_PARAM_DEV_PORTVEC);
+ ret = t4_query_params(adap, adap->mbox, adap->pf, 0, 1, &v, &port_vec);
+ if (ret < 0) {
+ dev_err(adap, "%s: failure in t4_query_params; error = %d\n",
+ __func__, ret);
+ goto bye;
+ }
+
+ adap->params.nports = hweight32(port_vec);
+ adap->params.portvec = port_vec;
+
+ dev_debug(adap, "%s: adap->params.nports = %u\n", __func__,
+ adap->params.nports);
+
/*
* Give the SGE code a chance to pull in anything that it needs ...
* Note that this must be called after we retrieve our VPD parameters
}
t4_init_sge_params(adap);
t4_init_tp_params(adap);
+ configure_pcie_ext_tag(adap);
adap->params.drv_memwin = MEMWIN_NIC;
adap->flags |= FW_OK;
dev_info(adap, "Port%d: %s port module inserted\n", pi->port_id,
mod_str[pi->mod_type]);
else if (pi->mod_type == FW_PORT_MOD_TYPE_NOTSUPPORTED)
- dev_info(adap, "Port%d: unsupported optical port module inserted\n",
+ dev_info(adap, "Port%d: unsupported port module inserted\n",
pi->port_id);
else if (pi->mod_type == FW_PORT_MOD_TYPE_UNKNOWN)
- dev_info(adap, "Port%d: unknown port module inserted, forcing TWINAX\n",
+ dev_info(adap, "Port%d: unknown port module inserted\n",
pi->port_id);
else if (pi->mod_type == FW_PORT_MOD_TYPE_ERROR)
dev_info(adap, "Port%d: transceiver module error\n",
pi->port_id, pi->mod_type);
}
+/**
+ * link_start - enable a port
+ * @dev: the port to enable
+ *
+ * Performs the MAC and PHY actions needed to enable a port.
+ */
+int link_start(struct port_info *pi)
+{
+ struct adapter *adapter = pi->adapter;
+ int ret;
+ unsigned int mtu;
+
+ mtu = pi->eth_dev->data->dev_conf.rxmode.max_rx_pkt_len -
+ (ETHER_HDR_LEN + ETHER_CRC_LEN);
+
+ /*
+ * We do not set address filters and promiscuity here, the stack does
+ * that step explicitly.
+ */
+ ret = t4_set_rxmode(adapter, adapter->mbox, pi->viid, mtu, -1, -1,
+ -1, 1, true);
+ if (ret == 0) {
+ ret = t4_change_mac(adapter, adapter->mbox, pi->viid,
+ pi->xact_addr_filt,
+ (u8 *)&pi->eth_dev->data->mac_addrs[0],
+ true, true);
+ if (ret >= 0) {
+ pi->xact_addr_filt = ret;
+ ret = 0;
+ }
+ }
+ if (ret == 0)
+ ret = t4_link_l1cfg(adapter, adapter->mbox, pi->tx_chan,
+ &pi->link_cfg);
+ if (ret == 0) {
+ /*
+ * Enabling a Virtual Interface can result in an interrupt
+ * during the processing of the VI Enable command and, in some
+ * paths, result in an attempt to issue another command in the
+ * interrupt context. Thus, we disable interrupts during the
+ * course of the VI Enable command ...
+ */
+ ret = t4_enable_vi_params(adapter, adapter->mbox, pi->viid,
+ true, true, false);
+ }
+ return ret;
+}
+
/**
* cxgb4_write_rss - write the RSS table for a given port
* @pi: the port
dev_debug(adapter, "%s: pi->rss_size = %u; pi->n_rx_qsets = %u\n",
__func__, pi->rss_size, pi->n_rx_qsets);
- if (!pi->flags & PORT_RSS_DONE) {
+ if (!(pi->flags & PORT_RSS_DONE)) {
if (adapter->flags & FULL_INIT_DONE) {
/* Fill default values with equal distribution */
for (j = 0; j < pi->rss_size; j++)
return 0;
}
+/*
+ * Enable NAPI scheduling and interrupt generation for all Rx queues.
+ */
+static void enable_rx(struct adapter *adap, struct sge_rspq *q)
+{
+ /* 0-increment GTS to start the timer and enable interrupts */
+ t4_write_reg(adap, MYPF_REG(A_SGE_PF_GTS),
+ V_SEINTARM(q->intr_params) |
+ V_INGRESSQID(q->cntxt_id));
+}
+
+void cxgbe_enable_rx_queues(struct port_info *pi)
+{
+ struct adapter *adap = pi->adapter;
+ struct sge *s = &adap->sge;
+ unsigned int i;
+
+ for (i = 0; i < pi->n_rx_qsets; i++)
+ enable_rx(adap, &s->ethrxq[pi->first_qset + i].rspq);
+}
+
+/**
+ * fw_caps_to_speed_caps - translate Firmware Port Caps to Speed Caps.
+ * @port_type: Firmware Port Type
+ * @fw_caps: Firmware Port Capabilities
+ * @speed_caps: Device Info Speed Capabilities
+ *
+ * Translate a Firmware Port Capabilities specification to Device Info
+ * Speed Capabilities.
+ */
+static void fw_caps_to_speed_caps(enum fw_port_type port_type,
+ unsigned int fw_caps,
+ u32 *speed_caps)
+{
+#define SET_SPEED(__speed_name) \
+ do { \
+ *speed_caps |= ETH_LINK_ ## __speed_name; \
+ } while (0)
+
+#define FW_CAPS_TO_SPEED(__fw_name) \
+ do { \
+ if (fw_caps & FW_PORT_CAP_ ## __fw_name) \
+ SET_SPEED(__fw_name); \
+ } while (0)
+
+ switch (port_type) {
+ case FW_PORT_TYPE_BT_SGMII:
+ case FW_PORT_TYPE_BT_XFI:
+ case FW_PORT_TYPE_BT_XAUI:
+ FW_CAPS_TO_SPEED(SPEED_100M);
+ FW_CAPS_TO_SPEED(SPEED_1G);
+ FW_CAPS_TO_SPEED(SPEED_10G);
+ break;
+
+ case FW_PORT_TYPE_KX4:
+ case FW_PORT_TYPE_KX:
+ case FW_PORT_TYPE_FIBER_XFI:
+ case FW_PORT_TYPE_FIBER_XAUI:
+ case FW_PORT_TYPE_SFP:
+ case FW_PORT_TYPE_QSFP_10G:
+ case FW_PORT_TYPE_QSA:
+ FW_CAPS_TO_SPEED(SPEED_1G);
+ FW_CAPS_TO_SPEED(SPEED_10G);
+ break;
+
+ case FW_PORT_TYPE_KR:
+ SET_SPEED(SPEED_10G);
+ break;
+
+ case FW_PORT_TYPE_BP_AP:
+ case FW_PORT_TYPE_BP4_AP:
+ SET_SPEED(SPEED_1G);
+ SET_SPEED(SPEED_10G);
+ break;
+
+ case FW_PORT_TYPE_BP40_BA:
+ case FW_PORT_TYPE_QSFP:
+ SET_SPEED(SPEED_40G);
+ break;
+
+ case FW_PORT_TYPE_CR_QSFP:
+ case FW_PORT_TYPE_SFP28:
+ case FW_PORT_TYPE_KR_SFP28:
+ FW_CAPS_TO_SPEED(SPEED_1G);
+ FW_CAPS_TO_SPEED(SPEED_10G);
+ FW_CAPS_TO_SPEED(SPEED_25G);
+ break;
+
+ case FW_PORT_TYPE_CR2_QSFP:
+ SET_SPEED(SPEED_50G);
+ break;
+
+ case FW_PORT_TYPE_KR4_100G:
+ case FW_PORT_TYPE_CR4_QSFP:
+ FW_CAPS_TO_SPEED(SPEED_25G);
+ FW_CAPS_TO_SPEED(SPEED_40G);
+ FW_CAPS_TO_SPEED(SPEED_100G);
+ break;
+
+ default:
+ break;
+ }
+
+#undef FW_CAPS_TO_SPEED
+#undef SET_SPEED
+}
+
+/**
+ * cxgbe_get_speed_caps - Fetch supported speed capabilities
+ * @pi: Underlying port's info
+ * @speed_caps: Device Info speed capabilities
+ *
+ * Fetch supported speed capabilities of the underlying port.
+ */
+void cxgbe_get_speed_caps(struct port_info *pi, u32 *speed_caps)
+{
+ *speed_caps = 0;
+
+ fw_caps_to_speed_caps(pi->port_type, pi->link_cfg.supported,
+ speed_caps);
+
+ if (!(pi->link_cfg.supported & FW_PORT_CAP_ANEG))
+ *speed_caps |= ETH_LINK_SPEED_FIXED;
+}
+
+/**
+ * cxgb_up - enable the adapter
+ * @adap: adapter being enabled
+ *
+ * Called when the first port is enabled, this function performs the
+ * actions necessary to make an adapter operational, such as completing
+ * the initialization of HW modules, and enabling interrupts.
+ */
+int cxgbe_up(struct adapter *adap)
+{
+ enable_rx(adap, &adap->sge.fw_evtq);
+ t4_sge_tx_monitor_start(adap);
+ t4_intr_enable(adap);
+ adap->flags |= FULL_INIT_DONE;
+
+ /* TODO: deadman watchdog ?? */
+ return 0;
+}
+
+/*
+ * Close the port
+ */
+int cxgbe_down(struct port_info *pi)
+{
+ struct adapter *adapter = pi->adapter;
+ int err = 0;
+
+ err = t4_enable_vi(adapter, adapter->mbox, pi->viid, false, false);
+ if (err) {
+ dev_err(adapter, "%s: disable_vi failed: %d\n", __func__, err);
+ return err;
+ }
+
+ t4_reset_link_config(adapter, pi->port_id);
+ return 0;
+}
+
+/*
+ * Release resources when all the ports have been stopped.
+ */
+void cxgbe_close(struct adapter *adapter)
+{
+ struct port_info *pi;
+ int i;
+
+ if (adapter->flags & FULL_INIT_DONE) {
+ t4_intr_disable(adapter);
+ t4_sge_tx_monitor_stop(adapter);
+ t4_free_sge_resources(adapter);
+ for_each_port(adapter, i) {
+ pi = adap2pinfo(adapter, i);
+ if (pi->viid != 0)
+ t4_free_vi(adapter, adapter->mbox,
+ adapter->pf, 0, pi->viid);
+ rte_free(pi->eth_dev->data->mac_addrs);
+ }
+ adapter->flags &= ~FULL_INIT_DONE;
+ }
+
+ if (adapter->flags & FW_OK)
+ t4_fw_bye(adapter, adapter->mbox);
+}
+
int cxgbe_probe(struct adapter *adapter)
{
struct port_info *pi;
+ int chip;
int func, i;
int err = 0;
+ u32 whoami;
+
+ whoami = t4_read_reg(adapter, A_PL_WHOAMI);
+ chip = t4_get_chip_type(adapter,
+ CHELSIO_PCI_ID_VER(adapter->pdev->id.device_id));
+ if (chip < 0)
+ return chip;
+
+ func = CHELSIO_CHIP_VERSION(chip) <= CHELSIO_T5 ?
+ G_SOURCEPF(whoami) : G_T6_SOURCEPF(whoami);
- func = G_SOURCEPF(t4_read_reg(adapter, A_PL_WHOAMI));
adapter->mbox = func;
adapter->pf = func;
qpp = 1 << ((t4_read_reg(adapter,
A_SGE_EGRESS_QUEUES_PER_PAGE_PF) >> s_qpp)
& M_QUEUESPERPAGEPF0);
- num_seg = PAGE_SIZE / UDBS_SEG_SIZE;
+ num_seg = CXGBE_PAGE_SIZE / UDBS_SEG_SIZE;
if (qpp > num_seg)
dev_warn(adapter, "Incorrect SGE EGRESS QUEUES_PER_PAGE configuration, continuing in debug mode\n");
*/
/* reserve an ethdev entry */
- pi->eth_dev = rte_eth_dev_allocate(name, RTE_ETH_DEV_PCI);
+ pi->eth_dev = rte_eth_dev_allocate(name);
if (!pi->eth_dev)
goto out_free;
pi->eth_dev->data = data;
allocate_mac:
- pi->eth_dev->pci_dev = adapter->pdev;
+ pi->eth_dev->device = &adapter->pdev->device;
pi->eth_dev->data->dev_private = pi;
- pi->eth_dev->driver = adapter->eth_dev->driver;
pi->eth_dev->dev_ops = adapter->eth_dev->dev_ops;
+ pi->eth_dev->tx_pkt_burst = adapter->eth_dev->tx_pkt_burst;
pi->eth_dev->rx_pkt_burst = adapter->eth_dev->rx_pkt_burst;
- TAILQ_INIT(&pi->eth_dev->link_intr_cbs);
+
+ rte_eth_copy_pci_info(pi->eth_dev, adapter->pdev);
pi->eth_dev->data->mac_addrs = rte_zmalloc(name,
ETHER_ADDR_LEN, 0);
cfg_queues(adapter->eth_dev);
+ print_adapter_info(adapter);
print_port_info(adapter);
err = init_rss(adapter);