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  1.   a07f7ac44cacae01a70ddaee4b6440c9e8a59054
  2.   patches.suse
  3.   liquidio-Moved-common-function-setup_glists-to-lio_c.patch
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From: Intiyaz Basha <intiyaz.basha@cavium.com>
Date: Fri, 27 Apr 2018 23:32:55 -0700
Subject: liquidio: Moved common function setup_glists to lio_core.c
Patch-mainline: v4.18-rc1
Git-commit: 128ea39439341d4f60bda1740a59ce34bcc19e4c
References: bsc#1119406 FATE#326562

Moved common function setup_glists to lio_core.c
and reamed it to lio_setup_glists

Signed-off-by: Intiyaz Basha <intiyaz.basha@cavium.com>
Acked-by: Derek Chickles <derek.chickles@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       |   83 +++++++++++++++++
 drivers/net/ethernet/cavium/liquidio/lio_main.c       |   85 ------------------
 drivers/net/ethernet/cavium/liquidio/lio_vf_main.c    |   80 ----------------
 drivers/net/ethernet/cavium/liquidio/octeon_network.h |    2 
 4 files changed, 87 insertions(+), 163 deletions(-)

--- a/drivers/net/ethernet/cavium/liquidio/lio_core.c
+++ b/drivers/net/ethernet/cavium/liquidio/lio_core.c
@@ -29,6 +29,8 @@
 /* OOM task polling interval */
 #define LIO_OOM_POLL_INTERVAL_MS 250
 
+#define OCTNIC_MAX_SG  MAX_SKB_FRAGS
+
 /**
  * \brief Callback for getting interface configuration
  * @param status status of request
@@ -102,6 +104,87 @@ void lio_delete_glists(struct lio *lio)
 	lio->glist = NULL;
 }
 
+/**
+ * \brief Setup gather lists
+ * @param lio per-network private data
+ */
+int lio_setup_glists(struct octeon_device *oct, struct lio *lio, int num_iqs)
+{
+	struct octnic_gather *g;
+	int i, j;
+
+	lio->glist_lock =
+	    kcalloc(num_iqs, sizeof(*lio->glist_lock), GFP_KERNEL);
+	if (!lio->glist_lock)
+		return -ENOMEM;
+
+	lio->glist =
+	    kcalloc(num_iqs, sizeof(*lio->glist), GFP_KERNEL);
+	if (!lio->glist) {
+		kfree(lio->glist_lock);
+		lio->glist_lock = NULL;
+		return -ENOMEM;
+	}
+
+	lio->glist_entry_size =
+		ROUNDUP8((ROUNDUP4(OCTNIC_MAX_SG) >> 2) * OCT_SG_ENTRY_SIZE);
+
+	/* allocate memory to store virtual and dma base address of
+	 * per glist consistent memory
+	 */
+	lio->glists_virt_base = kcalloc(num_iqs, sizeof(*lio->glists_virt_base),
+					GFP_KERNEL);
+	lio->glists_dma_base = kcalloc(num_iqs, sizeof(*lio->glists_dma_base),
+				       GFP_KERNEL);
+
+	if (!lio->glists_virt_base || !lio->glists_dma_base) {
+		lio_delete_glists(lio);
+		return -ENOMEM;
+	}
+
+	for (i = 0; i < num_iqs; i++) {
+		int numa_node = dev_to_node(&oct->pci_dev->dev);
+
+		spin_lock_init(&lio->glist_lock[i]);
+
+		INIT_LIST_HEAD(&lio->glist[i]);
+
+		lio->glists_virt_base[i] =
+			lio_dma_alloc(oct,
+				      lio->glist_entry_size * lio->tx_qsize,
+				      &lio->glists_dma_base[i]);
+
+		if (!lio->glists_virt_base[i]) {
+			lio_delete_glists(lio);
+			return -ENOMEM;
+		}
+
+		for (j = 0; j < lio->tx_qsize; j++) {
+			g = kzalloc_node(sizeof(*g), GFP_KERNEL,
+					 numa_node);
+			if (!g)
+				g = kzalloc(sizeof(*g), GFP_KERNEL);
+			if (!g)
+				break;
+
+			g->sg = lio->glists_virt_base[i] +
+				(j * lio->glist_entry_size);
+
+			g->sg_dma_ptr = lio->glists_dma_base[i] +
+					(j * lio->glist_entry_size);
+
+			list_add_tail(&g->list, &lio->glist[i]);
+		}
+
+		if (j != lio->tx_qsize) {
+			lio_delete_glists(lio);
+			return -ENOMEM;
+		}
+	}
+
+	return 0;
+}
+
 int liquidio_set_feature(struct net_device *netdev, int cmd, u16 param1)
 {
 	struct lio *lio = GET_LIO(netdev);
--- a/drivers/net/ethernet/cavium/liquidio/lio_main.c
+++ b/drivers/net/ethernet/cavium/liquidio/lio_main.c
@@ -138,8 +138,6 @@ union tx_info {
  * by this structure in the NIC module.
  */
 
-#define OCTNIC_MAX_SG  (MAX_SKB_FRAGS)
-
 #define OCTNIC_GSO_MAX_HEADER_SIZE 128
 #define OCTNIC_GSO_MAX_SIZE                                                    \
 	(CN23XX_DEFAULT_INPUT_JABBER - OCTNIC_GSO_MAX_HEADER_SIZE)
@@ -521,87 +519,6 @@ static inline int check_txq_status(struc
 }
 
 /**
- * \brief Setup gather lists
- * @param lio per-network private data
- */
-static int setup_glists(struct octeon_device *oct, struct lio *lio, int num_iqs)
-{
-	int i, j;
-	struct octnic_gather *g;
-
-	lio->glist_lock = kcalloc(num_iqs, sizeof(*lio->glist_lock),
-				  GFP_KERNEL);
-	if (!lio->glist_lock)
-		return -ENOMEM;
-
-	lio->glist = kcalloc(num_iqs, sizeof(*lio->glist),
-			     GFP_KERNEL);
-	if (!lio->glist) {
-		kfree(lio->glist_lock);
-		lio->glist_lock = NULL;
-		return -ENOMEM;
-	}
-
-	lio->glist_entry_size =
-		ROUNDUP8((ROUNDUP4(OCTNIC_MAX_SG) >> 2) * OCT_SG_ENTRY_SIZE);
-
-	/* allocate memory to store virtual and dma base address of
-	 * per glist consistent memory
-	 */
-	lio->glists_virt_base = kcalloc(num_iqs, sizeof(*lio->glists_virt_base),
-					GFP_KERNEL);
-	lio->glists_dma_base = kcalloc(num_iqs, sizeof(*lio->glists_dma_base),
-				       GFP_KERNEL);
-
-	if (!lio->glists_virt_base || !lio->glists_dma_base) {
-		lio_delete_glists(lio);
-		return -ENOMEM;
-	}
-
-	for (i = 0; i < num_iqs; i++) {
-		int numa_node = dev_to_node(&oct->pci_dev->dev);
-
-		spin_lock_init(&lio->glist_lock[i]);
-
-		INIT_LIST_HEAD(&lio->glist[i]);
-
-		lio->glists_virt_base[i] =
-			lio_dma_alloc(oct,
-				      lio->glist_entry_size * lio->tx_qsize,
-				      &lio->glists_dma_base[i]);
-
-		if (!lio->glists_virt_base[i]) {
-			lio_delete_glists(lio);
-			return -ENOMEM;
-		}
-
-		for (j = 0; j < lio->tx_qsize; j++) {
-			g = kzalloc_node(sizeof(*g), GFP_KERNEL,
-					 numa_node);
-			if (!g)
-				g = kzalloc(sizeof(*g), GFP_KERNEL);
-			if (!g)
-				break;
-
-			g->sg = lio->glists_virt_base[i] +
-				(j * lio->glist_entry_size);
-
-			g->sg_dma_ptr = lio->glists_dma_base[i] +
-					(j * lio->glist_entry_size);
-
-			list_add_tail(&g->list, &lio->glist[i]);
-		}
-
-		if (j != lio->tx_qsize) {
-			lio_delete_glists(lio);
-			return -ENOMEM;
-		}
-	}
-
-	return 0;
-}
-
-/**
  * \brief Print link information
  * @param netdev network device
  */
@@ -3657,7 +3574,7 @@ static int setup_nic_devices(struct octe
 		lio->tx_qsize = octeon_get_tx_qsize(octeon_dev, lio->txq);
 		lio->rx_qsize = octeon_get_rx_qsize(octeon_dev, lio->rxq);
 
-		if (setup_glists(octeon_dev, lio, num_iqueues)) {
+		if (lio_setup_glists(octeon_dev, lio, num_iqueues)) {
 			dev_err(&octeon_dev->pci_dev->dev,
 				"Gather list allocation failed\n");
 			goto setup_nic_dev_fail;
--- a/drivers/net/ethernet/cavium/liquidio/lio_vf_main.c
+++ b/drivers/net/ethernet/cavium/liquidio/lio_vf_main.c
@@ -69,8 +69,6 @@ union tx_info {
 	} s;
 };
 
-#define OCTNIC_MAX_SG  (MAX_SKB_FRAGS)
-
 #define OCTNIC_GSO_MAX_HEADER_SIZE 128
 #define OCTNIC_GSO_MAX_SIZE \
 		(CN23XX_DEFAULT_INPUT_JABBER - OCTNIC_GSO_MAX_HEADER_SIZE)
@@ -267,82 +265,6 @@ static struct pci_driver liquidio_vf_pci
 };
 
 /**
- * \brief Setup gather lists
- * @param lio per-network private data
- */
-static int setup_glists(struct lio *lio, int num_iqs)
-{
-	struct octnic_gather *g;
-	int i, j;
-
-	lio->glist_lock =
-	    kzalloc(sizeof(*lio->glist_lock) * num_iqs, GFP_KERNEL);
-	if (!lio->glist_lock)
-		return -ENOMEM;
-
-	lio->glist =
-	    kzalloc(sizeof(*lio->glist) * num_iqs, GFP_KERNEL);
-	if (!lio->glist) {
-		kfree(lio->glist_lock);
-		lio->glist_lock = NULL;
-		return -ENOMEM;
-	}
-
-	lio->glist_entry_size =
-		ROUNDUP8((ROUNDUP4(OCTNIC_MAX_SG) >> 2) * OCT_SG_ENTRY_SIZE);
-
-	/* allocate memory to store virtual and dma base address of
-	 * per glist consistent memory
-	 */
-	lio->glists_virt_base = kcalloc(num_iqs, sizeof(*lio->glists_virt_base),
-					GFP_KERNEL);
-	lio->glists_dma_base = kcalloc(num_iqs, sizeof(*lio->glists_dma_base),
-				       GFP_KERNEL);
-
-	if (!lio->glists_virt_base || !lio->glists_dma_base) {
-		lio_delete_glists(lio);
-		return -ENOMEM;
-	}
-
-	for (i = 0; i < num_iqs; i++) {
-		spin_lock_init(&lio->glist_lock[i]);
-
-		INIT_LIST_HEAD(&lio->glist[i]);
-
-		lio->glists_virt_base[i] =
-			lio_dma_alloc(lio->oct_dev,
-				      lio->glist_entry_size * lio->tx_qsize,
-				      &lio->glists_dma_base[i]);
-
-		if (!lio->glists_virt_base[i]) {
-			lio_delete_glists(lio);
-			return -ENOMEM;
-		}
-
-		for (j = 0; j < lio->tx_qsize; j++) {
-			g = kzalloc(sizeof(*g), GFP_KERNEL);
-			if (!g)
-				break;
-
-			g->sg = lio->glists_virt_base[i] +
-				(j * lio->glist_entry_size);
-
-			g->sg_dma_ptr = lio->glists_dma_base[i] +
-					(j * lio->glist_entry_size);
-
-			list_add_tail(&g->list, &lio->glist[i]);
-		}
-
-		if (j != lio->tx_qsize) {
-			lio_delete_glists(lio);
-			return -ENOMEM;
-		}
-	}
-
-	return 0;
-}
-
-/**
  * \brief Print link information
  * @param netdev network device
  */
@@ -2226,7 +2148,7 @@ static int setup_nic_devices(struct octe
 		lio->tx_qsize = octeon_get_tx_qsize(octeon_dev, lio->txq);
 		lio->rx_qsize = octeon_get_rx_qsize(octeon_dev, lio->rxq);
 
-		if (setup_glists(lio, num_iqueues)) {
+		if (lio_setup_glists(octeon_dev, lio, num_iqueues)) {
 			dev_err(&octeon_dev->pci_dev->dev,
 				"Gather list allocation failed\n");
 			goto setup_nic_dev_fail;
--- a/drivers/net/ethernet/cavium/liquidio/octeon_network.h
+++ b/drivers/net/ethernet/cavium/liquidio/octeon_network.h
@@ -226,6 +226,8 @@ void lio_if_cfg_callback(struct octeon_d
 
 void lio_delete_glists(struct lio *lio);
 
+int lio_setup_glists(struct octeon_device *oct, struct lio *lio, int num_qs);
+
 /**
  * \brief Net device change_mtu
  * @param netdev network device
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