1 files changed, 36 insertions, 29 deletions

diff --git a/drivers/net/ethernet/broadcom/cnic.c b/drivers/net/ethernet/broadcom/cnic.c
index f7f10cfb3476..6e97a5a7daaf 100644
--- a/drivers/net/ethernet/broadcom/cnic.c
+++ b/drivers/net/ethernet/broadcom/cnic.c
@@ -31,6 +31,7 @@
 #include <linux/if_vlan.h>
 #include <linux/prefetch.h>
 #include <linux/random.h>
+#include <linux/workqueue.h>
 #if IS_ENABLED(CONFIG_VLAN_8021Q)
 #define BCM_VLAN 1
 #endif
@@ -660,7 +661,7 @@ static int cnic_init_id_tbl(struct cnic_id_tbl *id_tbl, u32 size, u32 start_id,
 	id_tbl->max = size;
 	id_tbl->next = next;
 	spin_lock_init(&id_tbl->lock);
-	id_tbl->table = kcalloc(BITS_TO_LONGS(size), sizeof(long), GFP_KERNEL);
+	id_tbl->table = bitmap_zalloc(size, GFP_KERNEL);
 	if (!id_tbl->table)
 		return -ENOMEM;
 
@@ -669,7 +670,7 @@ static int cnic_init_id_tbl(struct cnic_id_tbl *id_tbl, u32 size, u32 start_id,
 
 static void cnic_free_id_tbl(struct cnic_id_tbl *id_tbl)
 {
-	kfree(id_tbl->table);
+	bitmap_free(id_tbl->table);
 	id_tbl->table = NULL;
 }
 
@@ -1027,16 +1028,14 @@ static int __cnic_alloc_uio_rings(struct cnic_uio_dev *udev, int pages)
 
 	udev->l2_ring_size = pages * CNIC_PAGE_SIZE;
 	udev->l2_ring = dma_alloc_coherent(&udev->pdev->dev, udev->l2_ring_size,
-					   &udev->l2_ring_map,
-					   GFP_KERNEL | __GFP_COMP);
+					   &udev->l2_ring_map, GFP_KERNEL);
 	if (!udev->l2_ring)
 		return -ENOMEM;
 
 	udev->l2_buf_size = (cp->l2_rx_ring_size + 1) * cp->l2_single_buf_size;
 	udev->l2_buf_size = CNIC_PAGE_ALIGN(udev->l2_buf_size);
 	udev->l2_buf = dma_alloc_coherent(&udev->pdev->dev, udev->l2_buf_size,
-					  &udev->l2_buf_map,
-					  GFP_KERNEL | __GFP_COMP);
+					  &udev->l2_buf_map, GFP_KERNEL);
 	if (!udev->l2_buf) {
 		__cnic_free_uio_rings(udev);
 		return -ENOMEM;
@@ -1109,10 +1108,11 @@ static int cnic_init_uio(struct cnic_dev *dev)
 						     TX_MAX_TSS_RINGS + 1);
 		uinfo->mem[1].addr = (unsigned long) cp->status_blk.gen &
 					CNIC_PAGE_MASK;
+		uinfo->mem[1].dma_addr = cp->status_blk_map;
 		if (cp->ethdev->drv_state & CNIC_DRV_STATE_USING_MSIX)
-			uinfo->mem[1].size = BNX2_SBLK_MSIX_ALIGN_SIZE * 9;
+			uinfo->mem[1].size = PAGE_ALIGN(BNX2_SBLK_MSIX_ALIGN_SIZE * 9);
 		else
-			uinfo->mem[1].size = BNX2_SBLK_MSIX_ALIGN_SIZE;
+			uinfo->mem[1].size = PAGE_ALIGN(BNX2_SBLK_MSIX_ALIGN_SIZE);
 
 		uinfo->name = "bnx2_cnic";
 	} else if (test_bit(CNIC_F_BNX2X_CLASS, &dev->flags)) {
@@ -1120,20 +1120,26 @@ static int cnic_init_uio(struct cnic_dev *dev)
 
 		uinfo->mem[1].addr = (unsigned long) cp->bnx2x_def_status_blk &
 			CNIC_PAGE_MASK;
-		uinfo->mem[1].size = sizeof(*cp->bnx2x_def_status_blk);
+		uinfo->mem[1].dma_addr = cp->status_blk_map;
+		uinfo->mem[1].size = PAGE_ALIGN(sizeof(*cp->bnx2x_def_status_blk));
 
 		uinfo->name = "bnx2x_cnic";
 	}
 
-	uinfo->mem[1].memtype = UIO_MEM_LOGICAL;
+	uinfo->mem[1].dma_device = &dev->pcidev->dev;
+	uinfo->mem[1].memtype = UIO_MEM_DMA_COHERENT;
 
 	uinfo->mem[2].addr = (unsigned long) udev->l2_ring;
-	uinfo->mem[2].size = udev->l2_ring_size;
-	uinfo->mem[2].memtype = UIO_MEM_LOGICAL;
+	uinfo->mem[2].dma_addr = udev->l2_ring_map;
+	uinfo->mem[2].size = PAGE_ALIGN(udev->l2_ring_size);
+	uinfo->mem[2].dma_device = &dev->pcidev->dev;
+	uinfo->mem[2].memtype = UIO_MEM_DMA_COHERENT;
 
 	uinfo->mem[3].addr = (unsigned long) udev->l2_buf;
-	uinfo->mem[3].size = udev->l2_buf_size;
-	uinfo->mem[3].memtype = UIO_MEM_LOGICAL;
+	uinfo->mem[3].dma_addr = udev->l2_buf_map;
+	uinfo->mem[3].size = PAGE_ALIGN(udev->l2_buf_size);
+	uinfo->mem[3].dma_device = &dev->pcidev->dev;
+	uinfo->mem[3].memtype = UIO_MEM_DMA_COHERENT;
 
 	uinfo->version = CNIC_MODULE_VERSION;
 	uinfo->irq = UIO_IRQ_CUSTOM;
@@ -1315,6 +1321,7 @@ static int cnic_alloc_bnx2x_resc(struct cnic_dev *dev)
 		return 0;
 
 	cp->bnx2x_def_status_blk = cp->ethdev->irq_arr[1].status_blk;
+	cp->status_blk_map = cp->ethdev->irq_arr[1].status_blk_map;
 
 	cp->l2_rx_ring_size = 15;
 
@@ -3009,9 +3016,9 @@ static int cnic_service_bnx2(void *data, void *status_blk)
 	return cnic_service_bnx2_queues(dev);
 }
 
-static void cnic_service_bnx2_msix(struct tasklet_struct *t)
+static void cnic_service_bnx2_msix(struct work_struct *work)
 {
-	struct cnic_local *cp = from_tasklet(cp, t, cnic_irq_task);
+	struct cnic_local *cp = from_work(cp, work, cnic_irq_bh_work);
 	struct cnic_dev *dev = cp->dev;
 
 	cp->last_status_idx = cnic_service_bnx2_queues(dev);
@@ -3030,7 +3037,7 @@ static void cnic_doirq(struct cnic_dev *dev)
 		prefetch(cp->status_blk.gen);
 		prefetch(&cp->kcq1.kcq[KCQ_PG(prod)][KCQ_IDX(prod)]);
 
-		tasklet_schedule(&cp->cnic_irq_task);
+		queue_work(system_bh_wq, &cp->cnic_irq_bh_work);
 	}
 }
 
@@ -3134,9 +3141,9 @@ static u32 cnic_service_bnx2x_kcq(struct cnic_dev *dev, struct kcq_info *info)
 	return last_status;
 }
 
-static void cnic_service_bnx2x_bh(struct tasklet_struct *t)
+static void cnic_service_bnx2x_bh_work(struct work_struct *work)
 {
-	struct cnic_local *cp = from_tasklet(cp, t, cnic_irq_task);
+	struct cnic_local *cp = from_work(cp, work, cnic_irq_bh_work);
 	struct cnic_dev *dev = cp->dev;
 	struct bnx2x *bp = netdev_priv(dev->netdev);
 	u32 status_idx, new_status_idx;
@@ -3676,7 +3683,8 @@ static int cnic_get_v4_route(struct sockaddr_in *dst_addr,
 #if defined(CONFIG_INET)
 	struct rtable *rt;
 
-	rt = ip_route_output(&init_net, dst_addr->sin_addr.s_addr, 0, 0, 0);
+	rt = ip_route_output(&init_net, dst_addr->sin_addr.s_addr, 0, 0, 0,
+			     RT_SCOPE_UNIVERSE);
 	if (!IS_ERR(rt)) {
 		*dst = &rt->dst;
 		return 0;
@@ -4105,8 +4113,7 @@ static int cnic_cm_alloc_mem(struct cnic_dev *dev)
 	for (i = 0; i < MAX_CM_SK_TBL_SZ; i++)
 		atomic_set(&cp->csk_tbl[i].ref_count, 0);
 
-	port_id = prandom_u32();
-	port_id %= CNIC_LOCAL_PORT_RANGE;
+	port_id = get_random_u32_below(CNIC_LOCAL_PORT_RANGE);
 	if (cnic_init_id_tbl(&cp->csk_port_tbl, CNIC_LOCAL_PORT_RANGE,
 			     CNIC_LOCAL_PORT_MIN, port_id)) {
 		cnic_cm_free_mem(dev);
@@ -4165,7 +4172,7 @@ static int cnic_cm_init_bnx2_hw(struct cnic_dev *dev)
 {
 	u32 seed;
 
-	seed = prandom_u32();
+	seed = get_random_u32();
 	cnic_ctx_wr(dev, 45, 0, seed);
 	return 0;
 }
@@ -4223,8 +4230,7 @@ static void cnic_cm_stop_bnx2x_hw(struct cnic_dev *dev)
 
 	cnic_bnx2x_delete_wait(dev, 0);
 
-	cancel_delayed_work(&cp->delete_task);
-	flush_workqueue(cnic_wq);
+	cancel_delayed_work_sync(&cp->delete_task);
 
 	if (atomic_read(&cp->iscsi_conn) != 0)
 		netdev_warn(dev->netdev, "%d iSCSI connections not destroyed\n",
@@ -4422,7 +4428,7 @@ static void cnic_free_irq(struct cnic_dev *dev)
 
 	if (ethdev->drv_state & CNIC_DRV_STATE_USING_MSIX) {
 		cp->disable_int_sync(dev);
-		tasklet_kill(&cp->cnic_irq_task);
+		cancel_work_sync(&cp->cnic_irq_bh_work);
 		free_irq(ethdev->irq_arr[0].vector, dev);
 	}
 }
@@ -4435,7 +4441,7 @@ static int cnic_request_irq(struct cnic_dev *dev)
 
 	err = request_irq(ethdev->irq_arr[0].vector, cnic_irq, 0, "cnic", dev);
 	if (err)
-		tasklet_disable(&cp->cnic_irq_task);
+		disable_work_sync(&cp->cnic_irq_bh_work);
 
 	return err;
 }
@@ -4458,7 +4464,7 @@ static int cnic_init_bnx2_irq(struct cnic_dev *dev)
 		CNIC_WR(dev, base + BNX2_HC_CMD_TICKS_OFF, (64 << 16) | 220);
 
 		cp->last_status_idx = cp->status_blk.bnx2->status_idx;
-		tasklet_setup(&cp->cnic_irq_task, cnic_service_bnx2_msix);
+		INIT_WORK(&cp->cnic_irq_bh_work, cnic_service_bnx2_msix);
 		err = cnic_request_irq(dev);
 		if (err)
 			return err;
@@ -4867,7 +4873,7 @@ static int cnic_init_bnx2x_irq(struct cnic_dev *dev)
 	struct cnic_eth_dev *ethdev = cp->ethdev;
 	int err = 0;
 
-	tasklet_setup(&cp->cnic_irq_task, cnic_service_bnx2x_bh);
+	INIT_WORK(&cp->cnic_irq_bh_work, cnic_service_bnx2x_bh_work);
 	if (ethdev->drv_state & CNIC_DRV_STATE_USING_MSIX)
 		err = cnic_request_irq(dev);
 
@@ -5326,6 +5332,7 @@ static int cnic_start_hw(struct cnic_dev *dev)
 	pci_dev_get(dev->pcidev);
 	cp->func = PCI_FUNC(dev->pcidev->devfn);
 	cp->status_blk.gen = ethdev->irq_arr[0].status_blk;
+	cp->status_blk_map = ethdev->irq_arr[0].status_blk_map;
 	cp->status_blk_num = ethdev->irq_arr[0].status_blk_num;
 
 	err = cp->alloc_resc(dev);