From: Intiyaz Basha <intiyaz.basha@cavium.com>
Date: Mon, 14 Aug 2017 12:01:37 -0700
Subject: liquidio: moved update_txq_status to lio_core.c
Patch-mainline: v4.14-rc1
Git-commit: 25d43f182d42b40ba750e2e0516b693e62f8f723
References: bsc#1067126

Moving common update_txq_status to lio_core.c

Signed-off-by: Intiyaz Basha <intiyaz.basha@cavium.com>
Signed-off-by: Felix Manlunas <felix.manlunas@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
 drivers/net/ethernet/cavium/liquidio/lio_core.c       |   33 ++++++++++++++++
 drivers/net/ethernet/cavium/liquidio/lio_main.c       |   35 ------------------
 drivers/net/ethernet/cavium/liquidio/lio_vf_main.c    |   26 -------------
 drivers/net/ethernet/cavium/liquidio/octeon_network.h |    1 
 4 files changed, 36 insertions(+), 59 deletions(-)

--- a/drivers/net/ethernet/cavium/liquidio/lio_core.c
+++ b/drivers/net/ethernet/cavium/liquidio/lio_core.c
@@ -364,3 +364,36 @@ void cleanup_rx_oom_poll_fn(struct net_d
 		destroy_workqueue(lio->rxq_status_wq.wq);
 	}
 }
+
+/* Runs in interrupt context. */
+void lio_update_txq_status(struct octeon_device *oct, int iq_num)
+{
+	struct octeon_instr_queue *iq = oct->instr_queue[iq_num];
+	struct net_device *netdev;
+	struct lio *lio;
+
+	netdev = oct->props[iq->ifidx].netdev;
+
+	/* This is needed because the first IQ does not have
+	 * a netdev associated with it.
+	 */
+	if (!netdev)
+		return;
+
+	lio = GET_LIO(netdev);
+	if (netif_is_multiqueue(netdev)) {
+		if (__netif_subqueue_stopped(netdev, iq->q_index) &&
+		    lio->linfo.link.s.link_up &&
+		    (!octnet_iq_is_full(oct, iq_num))) {
+			netif_wake_subqueue(netdev, iq->q_index);
+			INCR_INSTRQUEUE_PKT_COUNT(lio->oct_dev, iq_num,
+						  tx_restart, 1);
+		}
+	} else if (netif_queue_stopped(netdev) &&
+		   lio->linfo.link.s.link_up &&
+		   (!octnet_iq_is_full(oct, lio->txq))) {
+		INCR_INSTRQUEUE_PKT_COUNT(lio->oct_dev, lio->txq,
+					  tx_restart, 1);
+		netif_wake_queue(netdev);
+	}
+}
--- a/drivers/net/ethernet/cavium/liquidio/lio_main.c
+++ b/drivers/net/ethernet/cavium/liquidio/lio_main.c
@@ -906,39 +906,6 @@ static inline void update_link_status(st
 	}
 }
 
-/* Runs in interrupt context. */
-static void update_txq_status(struct octeon_device *oct, int iq_num)
-{
-	struct net_device *netdev;
-	struct lio *lio;
-	struct octeon_instr_queue *iq = oct->instr_queue[iq_num];
-
-	netdev = oct->props[iq->ifidx].netdev;
-
-	/* This is needed because the first IQ does not have
-	 * a netdev associated with it.
-	 */
-	if (!netdev)
-		return;
-
-	lio = GET_LIO(netdev);
-	if (netif_is_multiqueue(netdev)) {
-		if (__netif_subqueue_stopped(netdev, iq->q_index) &&
-		    lio->linfo.link.s.link_up &&
-		    (!octnet_iq_is_full(oct, iq_num))) {
-			INCR_INSTRQUEUE_PKT_COUNT(lio->oct_dev, iq_num,
-						  tx_restart, 1);
-			netif_wake_subqueue(netdev, iq->q_index);
-		}
-	} else if (netif_queue_stopped(netdev) &&
-		   lio->linfo.link.s.link_up &&
-		   (!octnet_iq_is_full(oct, lio->txq))) {
-		INCR_INSTRQUEUE_PKT_COUNT(lio->oct_dev,
-					  lio->txq, tx_restart, 1);
-		netif_wake_queue(netdev);
-	}
-}
-
 static
 int liquidio_schedule_msix_droq_pkt_handler(struct octeon_droq *droq, u64 ret)
 {
@@ -2518,7 +2485,7 @@ static int liquidio_napi_poll(struct nap
 		/* Update iq read-index rather than waiting for next interrupt.
 		 * Return back if tx_done is false.
 		 */
-		update_txq_status(oct, iq_no);
+		lio_update_txq_status(oct, iq_no);
 	} else {
 		dev_err(&oct->pci_dev->dev, "%s:  iq (%d) num invalid\n",
 			__func__, iq_no);
--- a/drivers/net/ethernet/cavium/liquidio/lio_vf_main.c
+++ b/drivers/net/ethernet/cavium/liquidio/lio_vf_main.c
@@ -647,30 +647,6 @@ static void update_link_status(struct ne
 	}
 }
 
-static void update_txq_status(struct octeon_device *oct, int iq_num)
-{
-	struct octeon_instr_queue *iq = oct->instr_queue[iq_num];
-	struct net_device *netdev;
-	struct lio *lio;
-
-	netdev = oct->props[iq->ifidx].netdev;
-	lio = GET_LIO(netdev);
-	if (netif_is_multiqueue(netdev)) {
-		if (__netif_subqueue_stopped(netdev, iq->q_index) &&
-		    lio->linfo.link.s.link_up &&
-		    (!octnet_iq_is_full(oct, iq_num))) {
-			netif_wake_subqueue(netdev, iq->q_index);
-			INCR_INSTRQUEUE_PKT_COUNT(lio->oct_dev, iq_num,
-						  tx_restart, 1);
-		}
-	} else if (netif_queue_stopped(netdev) && lio->linfo.link.s.link_up &&
-		   (!octnet_iq_is_full(oct, lio->txq))) {
-		INCR_INSTRQUEUE_PKT_COUNT(lio->oct_dev,
-					  lio->txq, tx_restart, 1);
-		netif_wake_queue(netdev);
-	}
-}
-
 static
 int liquidio_schedule_msix_droq_pkt_handler(struct octeon_droq *droq, u64 ret)
 {
@@ -1608,7 +1584,7 @@ static int liquidio_napi_poll(struct nap
 		/* Update iq read-index rather than waiting for next interrupt.
 		 * Return back if tx_done is false.
 		 */
-		update_txq_status(oct, iq_no);
+		lio_update_txq_status(oct, iq_no);
 	} else {
 		dev_err(&oct->pci_dev->dev, "%s: iq (%d) num invalid\n",
 			__func__, iq_no);
--- a/drivers/net/ethernet/cavium/liquidio/octeon_network.h
+++ b/drivers/net/ethernet/cavium/liquidio/octeon_network.h
@@ -474,4 +474,5 @@ static inline int wait_for_pending_reque
 	return 0;
 }
 
+void lio_update_txq_status(struct octeon_device *oct, int iq_num);
 #endif