ionic: move rx_page_alloc and free
authorShannon Nelson <snelson@pensando.io>
Wed, 10 Mar 2021 19:26:26 +0000 (11:26 -0800)
committerDavid S. Miller <davem@davemloft.net>
Wed, 10 Mar 2021 23:34:28 +0000 (15:34 -0800)
Move ionic_rx_page_alloc() and ionic_rx_page_free() to earlier
in the file to make the next patch easier to review.

Signed-off-by: Shannon Nelson <snelson@pensando.io>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/ethernet/pensando/ionic/ionic_txrx.c

index 162a1ff..70b997f 100644 (file)
@@ -66,6 +66,76 @@ static struct sk_buff *ionic_rx_skb_alloc(struct ionic_queue *q,
        return skb;
 }
 
+static int ionic_rx_page_alloc(struct ionic_queue *q,
+                              struct ionic_page_info *page_info)
+{
+       struct ionic_lif *lif = q->lif;
+       struct ionic_rx_stats *stats;
+       struct net_device *netdev;
+       struct device *dev;
+
+       netdev = lif->netdev;
+       dev = lif->ionic->dev;
+       stats = q_to_rx_stats(q);
+
+       if (unlikely(!page_info)) {
+               net_err_ratelimited("%s: %s invalid page_info in alloc\n",
+                                   netdev->name, q->name);
+               return -EINVAL;
+       }
+
+       page_info->page = dev_alloc_page();
+       if (unlikely(!page_info->page)) {
+               net_err_ratelimited("%s: %s page alloc failed\n",
+                                   netdev->name, q->name);
+               stats->alloc_err++;
+               return -ENOMEM;
+       }
+
+       page_info->dma_addr = dma_map_page(dev, page_info->page, 0, PAGE_SIZE,
+                                          DMA_FROM_DEVICE);
+       if (unlikely(dma_mapping_error(dev, page_info->dma_addr))) {
+               put_page(page_info->page);
+               page_info->dma_addr = 0;
+               page_info->page = NULL;
+               net_err_ratelimited("%s: %s dma map failed\n",
+                                   netdev->name, q->name);
+               stats->dma_map_err++;
+               return -EIO;
+       }
+
+       return 0;
+}
+
+static void ionic_rx_page_free(struct ionic_queue *q,
+                              struct ionic_page_info *page_info)
+{
+       struct ionic_lif *lif = q->lif;
+       struct net_device *netdev;
+       struct device *dev;
+
+       netdev = lif->netdev;
+       dev = lif->ionic->dev;
+
+       if (unlikely(!page_info)) {
+               net_err_ratelimited("%s: %s invalid page_info in free\n",
+                                   netdev->name, q->name);
+               return;
+       }
+
+       if (unlikely(!page_info->page)) {
+               net_err_ratelimited("%s: %s invalid page in free\n",
+                                   netdev->name, q->name);
+               return;
+       }
+
+       dma_unmap_page(dev, page_info->dma_addr, PAGE_SIZE, DMA_FROM_DEVICE);
+
+       put_page(page_info->page);
+       page_info->dma_addr = 0;
+       page_info->page = NULL;
+}
+
 static struct sk_buff *ionic_rx_frags(struct ionic_queue *q,
                                      struct ionic_desc_info *desc_info,
                                      struct ionic_cq_info *cq_info)
@@ -253,76 +323,6 @@ static bool ionic_rx_service(struct ionic_cq *cq, struct ionic_cq_info *cq_info)
        return true;
 }
 
-static int ionic_rx_page_alloc(struct ionic_queue *q,
-                              struct ionic_page_info *page_info)
-{
-       struct ionic_lif *lif = q->lif;
-       struct ionic_rx_stats *stats;
-       struct net_device *netdev;
-       struct device *dev;
-
-       netdev = lif->netdev;
-       dev = lif->ionic->dev;
-       stats = q_to_rx_stats(q);
-
-       if (unlikely(!page_info)) {
-               net_err_ratelimited("%s: %s invalid page_info in alloc\n",
-                                   netdev->name, q->name);
-               return -EINVAL;
-       }
-
-       page_info->page = dev_alloc_page();
-       if (unlikely(!page_info->page)) {
-               net_err_ratelimited("%s: %s page alloc failed\n",
-                                   netdev->name, q->name);
-               stats->alloc_err++;
-               return -ENOMEM;
-       }
-
-       page_info->dma_addr = dma_map_page(dev, page_info->page, 0, PAGE_SIZE,
-                                          DMA_FROM_DEVICE);
-       if (unlikely(dma_mapping_error(dev, page_info->dma_addr))) {
-               put_page(page_info->page);
-               page_info->dma_addr = 0;
-               page_info->page = NULL;
-               net_err_ratelimited("%s: %s dma map failed\n",
-                                   netdev->name, q->name);
-               stats->dma_map_err++;
-               return -EIO;
-       }
-
-       return 0;
-}
-
-static void ionic_rx_page_free(struct ionic_queue *q,
-                              struct ionic_page_info *page_info)
-{
-       struct ionic_lif *lif = q->lif;
-       struct net_device *netdev;
-       struct device *dev;
-
-       netdev = lif->netdev;
-       dev = lif->ionic->dev;
-
-       if (unlikely(!page_info)) {
-               net_err_ratelimited("%s: %s invalid page_info in free\n",
-                                   netdev->name, q->name);
-               return;
-       }
-
-       if (unlikely(!page_info->page)) {
-               net_err_ratelimited("%s: %s invalid page in free\n",
-                                   netdev->name, q->name);
-               return;
-       }
-
-       dma_unmap_page(dev, page_info->dma_addr, PAGE_SIZE, DMA_FROM_DEVICE);
-
-       put_page(page_info->page);
-       page_info->dma_addr = 0;
-       page_info->page = NULL;
-}
-
 void ionic_rx_fill(struct ionic_queue *q)
 {
        struct net_device *netdev = q->lif->netdev;