return otx2_mbox_process(mbox);
}
+static int
+nix_cgx_stop_link_event(struct otx2_eth_dev *dev)
+{
+ struct otx2_mbox *mbox = dev->mbox;
+
+ if (otx2_dev_is_vf(dev))
+ return 0;
+
+ otx2_mbox_alloc_msg_cgx_stop_linkevents(mbox);
+
+ return otx2_mbox_process(mbox);
+}
+
static inline void
nix_rx_queue_reset(struct otx2_eth_rxq *rxq)
{
/* Many to one reduction */
aq->cq.qint_idx = qid % dev->qints;
+ /* Map CQ0 [RQ0] to CINT0 and so on till max 64 irqs */
+ aq->cq.cint_idx = qid;
if (otx2_ethdev_fixup_is_limit_cq_full(dev)) {
uint16_t min_rx_drop;
if (dev->configured == 1) {
otx2_nix_rxchan_bpid_cfg(eth_dev, false);
otx2_nix_vlan_fini(eth_dev);
+ otx2_flow_free_all_resources(dev);
oxt2_nix_unregister_queue_irqs(eth_dev);
+ if (eth_dev->data->dev_conf.intr_conf.rxq)
+ oxt2_nix_unregister_cq_irqs(eth_dev);
nix_set_nop_rxtx_function(eth_dev);
rc = nix_store_queue_cfg_and_then_release(eth_dev);
if (rc)
goto free_nix_lf;
}
+ /* Register cq IRQs */
+ if (eth_dev->data->dev_conf.intr_conf.rxq) {
+ if (eth_dev->data->nb_rx_queues > dev->cints) {
+ otx2_err("Rx interrupt cannot be enabled, rxq > %d",
+ dev->cints);
+ goto free_nix_lf;
+ }
+ /* Rx interrupt feature cannot work with vector mode because,
+ * vector mode doesn't process packets unless min 4 pkts are
+ * received, while cq interrupts are generated even for 1 pkt
+ * in the CQ.
+ */
+ dev->scalar_ena = true;
+
+ rc = oxt2_nix_register_cq_irqs(eth_dev);
+ if (rc) {
+ otx2_err("Failed to register CQ interrupts rc=%d", rc);
+ goto free_nix_lf;
+ }
+ }
+
/* Configure loop back mode */
rc = cgx_intlbk_enable(dev, eth_dev->data->dev_conf.lpbk_mode);
if (rc) {
return rc;
}
+static void
+otx2_nix_dev_stop(struct rte_eth_dev *eth_dev)
+{
+ struct otx2_eth_dev *dev = otx2_eth_pmd_priv(eth_dev);
+ struct rte_mbuf *rx_pkts[32];
+ struct otx2_eth_rxq *rxq;
+ int count, i, j, rc;
+
+ nix_cgx_stop_link_event(dev);
+ npc_rx_disable(dev);
+
+ /* Stop rx queues and free up pkts pending */
+ for (i = 0; i < eth_dev->data->nb_rx_queues; i++) {
+ rc = otx2_nix_rx_queue_stop(eth_dev, i);
+ if (rc)
+ continue;
+
+ rxq = eth_dev->data->rx_queues[i];
+ count = dev->rx_pkt_burst_no_offload(rxq, rx_pkts, 32);
+ while (count) {
+ for (j = 0; j < count; j++)
+ rte_pktmbuf_free(rx_pkts[j]);
+ count = dev->rx_pkt_burst_no_offload(rxq, rx_pkts, 32);
+ }
+ }
+
+ /* Stop tx queues */
+ for (i = 0; i < eth_dev->data->nb_tx_queues; i++)
+ otx2_nix_tx_queue_stop(eth_dev, i);
+}
+
static int
otx2_nix_dev_start(struct rte_eth_dev *eth_dev)
{
struct otx2_eth_dev *dev = otx2_eth_pmd_priv(eth_dev);
int rc, i;
+ if (eth_dev->data->nb_rx_queues != 0) {
+ rc = otx2_nix_recalc_mtu(eth_dev);
+ if (rc)
+ return rc;
+ }
+
/* Start rx queues */
for (i = 0; i < eth_dev->data->nb_rx_queues; i++) {
rc = otx2_nix_rx_queue_start(eth_dev, i);
return rc;
}
+static int otx2_nix_dev_reset(struct rte_eth_dev *eth_dev);
+static void otx2_nix_dev_close(struct rte_eth_dev *eth_dev);
/* Initialize and register driver with DPDK Application */
static const struct eth_dev_ops otx2_eth_dev_ops = {
.rx_queue_setup = otx2_nix_rx_queue_setup,
.rx_queue_release = otx2_nix_rx_queue_release,
.dev_start = otx2_nix_dev_start,
+ .dev_stop = otx2_nix_dev_stop,
+ .dev_close = otx2_nix_dev_close,
.tx_queue_start = otx2_nix_tx_queue_start,
.tx_queue_stop = otx2_nix_tx_queue_stop,
.rx_queue_start = otx2_nix_rx_queue_start,
.rx_queue_stop = otx2_nix_rx_queue_stop,
.dev_supported_ptypes_get = otx2_nix_supported_ptypes_get,
+ .dev_reset = otx2_nix_dev_reset,
.stats_get = otx2_nix_dev_stats_get,
.stats_reset = otx2_nix_dev_stats_reset,
.get_reg = otx2_nix_dev_get_reg,
+ .mtu_set = otx2_nix_mtu_set,
.mac_addr_add = otx2_nix_mac_addr_add,
.mac_addr_remove = otx2_nix_mac_addr_del,
.mac_addr_set = otx2_nix_mac_addr_set,
.vlan_strip_queue_set = otx2_nix_vlan_strip_queue_set,
.vlan_tpid_set = otx2_nix_vlan_tpid_set,
.vlan_pvid_set = otx2_nix_vlan_pvid_set,
+ .rx_queue_intr_enable = otx2_nix_rx_queue_intr_enable,
+ .rx_queue_intr_disable = otx2_nix_rx_queue_intr_disable,
};
static inline int
if (rte_eal_process_type() != RTE_PROC_PRIMARY)
return 0;
+ /* Clear the flag since we are closing down */
+ dev->configured = 0;
+
/* Disable nix bpid config */
otx2_nix_rxchan_bpid_cfg(eth_dev, false);
+ npc_rx_disable(dev);
+
/* Disable vlan offloads */
otx2_nix_vlan_fini(eth_dev);
if (otx2_ethdev_is_ptp_en(dev))
otx2_nix_timesync_disable(eth_dev);
+ nix_cgx_stop_link_event(dev);
+
/* Free up SQs */
for (i = 0; i < eth_dev->data->nb_tx_queues; i++) {
otx2_nix_tx_queue_release(eth_dev->data->tx_queues[i]);
/* Unregister queue irqs */
oxt2_nix_unregister_queue_irqs(eth_dev);
+ /* Unregister cq irqs */
+ if (eth_dev->data->dev_conf.intr_conf.rxq)
+ oxt2_nix_unregister_cq_irqs(eth_dev);
+
rc = nix_lf_free(dev);
if (rc)
otx2_err("Failed to free nix lf, rc=%d", rc);
return 0;
}
+static void
+otx2_nix_dev_close(struct rte_eth_dev *eth_dev)
+{
+ otx2_eth_dev_uninit(eth_dev, true);
+}
+
+static int
+otx2_nix_dev_reset(struct rte_eth_dev *eth_dev)
+{
+ int rc;
+
+ rc = otx2_eth_dev_uninit(eth_dev, false);
+ if (rc)
+ return rc;
+
+ return otx2_eth_dev_init(eth_dev);
+}
+
static int
nix_remove(struct rte_pci_device *pci_dev)
{