X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Focteontx2%2Fotx2_ethdev.c;h=fcb1869d5871678fcc4741cae7d3f59815a8c369;hb=e842379fb543907eedc2de5f7820518c127af18d;hp=113d382c6130867711c164c0e661673cbdac0adf;hpb=920717e4d8ba313ad0afc76280486d0f24720c35;p=dpdk.git

diff --git a/drivers/net/octeontx2/otx2_ethdev.c b/drivers/net/octeontx2/otx2_ethdev.c
index 113d382c61..fcb1869d58 100644
--- a/drivers/net/octeontx2/otx2_ethdev.c
+++ b/drivers/net/octeontx2/otx2_ethdev.c
@@ -184,6 +184,19 @@ cgx_intlbk_enable(struct otx2_eth_dev *dev, bool en)
 	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)
 {
@@ -264,6 +277,8 @@ nix_cq_rq_init(struct rte_eth_dev *eth_dev, struct otx2_eth_dev *dev,
 
 	/* 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;
@@ -1208,7 +1223,10 @@ otx2_nix_configure(struct rte_eth_dev *eth_dev)
 	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)
@@ -1217,7 +1235,7 @@ otx2_nix_configure(struct rte_eth_dev *eth_dev)
 		nix_lf_free(dev);
 	}
 
-	if (otx2_dev_is_A0(dev) &&
+	if (otx2_dev_is_Ax(dev) &&
 	    (txmode->offloads & DEV_TX_OFFLOAD_SCTP_CKSUM) &&
 	    ((txmode->offloads & DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM) ||
 	    (txmode->offloads & DEV_TX_OFFLOAD_OUTER_UDP_CKSUM))) {
@@ -1269,6 +1287,27 @@ otx2_nix_configure(struct rte_eth_dev *eth_dev)
 		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) {
@@ -1425,12 +1464,49 @@ done:
 	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);
@@ -1477,6 +1553,8 @@ rx_disable:
 	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 = {
@@ -1488,14 +1566,20 @@ 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_set_link_up          = otx2_nix_dev_set_link_up,
+	.dev_set_link_down        = otx2_nix_dev_set_link_down,
 	.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,
@@ -1538,6 +1622,8 @@ static const struct eth_dev_ops otx2_eth_dev_ops = {
 	.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
@@ -1701,7 +1787,7 @@ otx2_eth_dev_init(struct rte_eth_dev *eth_dev)
 	dev->tx_offload_capa = nix_get_tx_offload_capa(dev);
 	dev->rx_offload_capa = nix_get_rx_offload_capa(dev);
 
-	if (otx2_dev_is_A0(dev)) {
+	if (otx2_dev_is_Ax(dev)) {
 		dev->hwcap |= OTX2_FIXUP_F_MIN_4K_Q;
 		dev->hwcap |= OTX2_FIXUP_F_LIMIT_CQ_FULL;
 	}
@@ -1744,9 +1830,14 @@ otx2_eth_dev_uninit(struct rte_eth_dev *eth_dev, bool mbox_close)
 	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);
 
@@ -1757,6 +1848,8 @@ otx2_eth_dev_uninit(struct rte_eth_dev *eth_dev, bool mbox_close)
 	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]);
@@ -1779,6 +1872,10 @@ otx2_eth_dev_uninit(struct rte_eth_dev *eth_dev, bool mbox_close)
 	/* 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);
@@ -1812,6 +1909,24 @@ otx2_eth_dev_uninit(struct rte_eth_dev *eth_dev, bool mbox_close)
 	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)
 {