}
}
+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
/*
* 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",
}
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;
/*
* Enable NAPI scheduling and interrupt generation for all Rx queues.
*/
-static void enable_rx(struct adapter *adap)
+static void enable_rx(struct adapter *adap, struct sge_rspq *q)
{
- struct sge *s = &adap->sge;
- struct sge_rspq *q = &s->fw_evtq;
- int i, j;
-
/* 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));
+}
- for_each_port(adap, i) {
- const struct port_info *pi = &adap->port[i];
- struct rte_eth_dev *eth_dev = pi->eth_dev;
-
- for (j = 0; j < eth_dev->data->nb_rx_queues; j++) {
- q = eth_dev->data->rx_queues[j];
-
- /*
- * 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);
}
/**
*/
int cxgbe_up(struct adapter *adap)
{
- enable_rx(adap);
+ enable_rx(adap, &adap->sge.fw_evtq);
t4_sge_tx_monitor_start(adap);
t4_intr_enable(adap);
adap->flags |= FULL_INIT_DONE;