liquidio: added support for ethtool --set-channels feature

adding support for ethtool --set-channels feature

Signed-off-by: Intiyaz Basha <intiyaz.basha@cavium.com>
Signed-off-by: Raghu Vatsavayi <raghu.vatsavayi@cavium.com>
Signed-off-by: Felix Manlunas <felix.manlunas@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/ethernet/cavium/liquidio/lio_main.c b/drivers/net/ethernet/cavium/liquidio/lio_main.c
index 82ed201..0eea6a2 100644
--- a/drivers/net/ethernet/cavium/liquidio/lio_main.c
+++ b/drivers/net/ethernet/cavium/liquidio/lio_main.c
@@ -560,7 +560,7 @@ static inline void txqs_wake(struct net_device *netdev)
 
 		for (i = 0; i < netdev->num_tx_queues; i++) {
 			int qno = lio->linfo.txpciq[i %
-				(lio->linfo.num_txpciq)].s.q_no;
+				lio->oct_dev->num_iqs].s.q_no;
 
 			if (__netif_subqueue_stopped(netdev, i)) {
 				INCR_INSTRQUEUE_PKT_COUNT(lio->oct_dev, qno,
@@ -640,7 +640,7 @@ static inline int check_txq_status(struct lio *lio)
 		/* check each sub-queue state */
 		for (q = 0; q < numqs; q++) {
 			iq = lio->linfo.txpciq[q %
-				(lio->linfo.num_txpciq)].s.q_no;
+				lio->oct_dev->num_iqs].s.q_no;
 			if (octnet_iq_is_full(lio->oct_dev, iq))
 				continue;
 			if (__netif_subqueue_stopped(lio->netdev, q)) {
@@ -1181,11 +1181,15 @@ static void octeon_destroy_resources(struct octeon_device *oct)
 		if (oct->msix_on) {
 			msix_entries = (struct msix_entry *)oct->msix_entries;
 			for (i = 0; i < oct->num_msix_irqs - 1; i++) {
-				/* clear the affinity_cpumask */
-				irq_set_affinity_hint(msix_entries[i].vector,
-						      NULL);
-				free_irq(msix_entries[i].vector,
-					 &oct->ioq_vector[i]);
+				if (oct->ioq_vector[i].vector) {
+					/* clear the affinity_cpumask */
+					irq_set_affinity_hint(
+							msix_entries[i].vector,
+							NULL);
+					free_irq(msix_entries[i].vector,
+						 &oct->ioq_vector[i]);
+					oct->ioq_vector[i].vector = 0;
+				}
 			}
 			/* non-iov vector's argument is oct struct */
 			free_irq(msix_entries[i].vector, oct);
@@ -1465,7 +1469,7 @@ static int liquidio_stop_nic_module(struct octeon_device *oct)
 
 	for (i = 0; i < oct->ifcount; i++) {
 		lio = GET_LIO(oct->props[i].netdev);
-		for (j = 0; j < lio->linfo.num_rxpciq; j++)
+		for (j = 0; j < oct->num_oqs; j++)
 			octeon_unregister_droq_ops(oct,
 						   lio->linfo.rxpciq[j].s.q_no);
 	}
@@ -1605,7 +1609,7 @@ static inline int check_txq_state(struct lio *lio, struct sk_buff *skb)
 
 	if (netif_is_multiqueue(lio->netdev)) {
 		q = skb->queue_mapping;
-		iq = lio->linfo.txpciq[(q % (lio->linfo.num_txpciq))].s.q_no;
+		iq = lio->linfo.txpciq[(q % lio->oct_dev->num_iqs)].s.q_no;
 	} else {
 		iq = lio->txq;
 		q = iq;
@@ -2262,7 +2266,7 @@ static struct net_device_stats *liquidio_get_stats(struct net_device *netdev)
 	if (ifstate_check(lio, LIO_IFSTATE_RESETTING))
 		return stats;
 
-	for (i = 0; i < lio->linfo.num_txpciq; i++) {
+	for (i = 0; i < oct->num_iqs; i++) {
 		iq_no = lio->linfo.txpciq[i].s.q_no;
 		iq_stats = &oct->instr_queue[iq_no]->stats;
 		pkts += iq_stats->tx_done;
@@ -2278,7 +2282,7 @@ static struct net_device_stats *liquidio_get_stats(struct net_device *netdev)
 	drop = 0;
 	bytes = 0;
 
-	for (i = 0; i < lio->linfo.num_rxpciq; i++) {
+	for (i = 0; i < oct->num_oqs; i++) {
 		oq_no = lio->linfo.rxpciq[i].s.q_no;
 		oq_stats = &oct->droq[oq_no]->stats;
 		pkts += oq_stats->rx_pkts_received;
@@ -3533,7 +3537,9 @@ static int setup_nic_devices(struct octeon_device *octeon_dev)
 		 */
 		lio->txq = lio->linfo.txpciq[0].s.q_no;
 		lio->rxq = lio->linfo.rxpciq[0].s.q_no;
-		if (liquidio_setup_io_queues(octeon_dev, i)) {
+		if (liquidio_setup_io_queues(octeon_dev, i,
+					     lio->linfo.num_txpciq,
+					     lio->linfo.num_rxpciq)) {
 			dev_err(&octeon_dev->pci_dev->dev, "I/O queues creation failed\n");
 			goto setup_nic_dev_fail;
 		}
@@ -4012,7 +4018,8 @@ static int octeon_device_init(struct octeon_device *octeon_dev)
 
 	/* Setup the interrupt handler and record the INT SUM register address
 	 */
-	if (octeon_setup_interrupt(octeon_dev))
+	if (octeon_setup_interrupt(octeon_dev,
+				   octeon_dev->sriov_info.num_pf_rings))
 		return 1;
 
 	/* Enable Octeon device interrupts */