@@ -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;
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> --- .../net/ethernet/pensando/ionic/ionic_txrx.c | 140 +++++++++--------- 1 file changed, 70 insertions(+), 70 deletions(-)