ionic: count dma errors
authorShannon Nelson <snelson@pensando.io>
Tue, 30 Mar 2021 19:52:07 +0000 (12:52 -0700)
committerDavid S. Miller <davem@davemloft.net>
Wed, 31 Mar 2021 00:37:12 +0000 (17:37 -0700)
Increment our dma-error counter in a couple of spots
that were missed before.

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 5985f7c..42d29cd 100644 (file)
@@ -609,6 +609,7 @@ static int ionic_tx_map_skb(struct ionic_queue *q, struct sk_buff *skb,
                            struct ionic_desc_info *desc_info)
 {
        struct ionic_buf_info *buf_info = desc_info->bufs;
+       struct ionic_tx_stats *stats = q_to_tx_stats(q);
        struct device *dev = q->dev;
        dma_addr_t dma_addr;
        unsigned int nfrags;
@@ -616,8 +617,10 @@ static int ionic_tx_map_skb(struct ionic_queue *q, struct sk_buff *skb,
        int frag_idx;
 
        dma_addr = ionic_tx_map_single(q, skb->data, skb_headlen(skb));
-       if (dma_mapping_error(dev, dma_addr))
+       if (dma_mapping_error(dev, dma_addr)) {
+               stats->dma_map_err++;
                return -EIO;
+       }
        buf_info->dma_addr = dma_addr;
        buf_info->len = skb_headlen(skb);
        buf_info++;
@@ -626,8 +629,10 @@ static int ionic_tx_map_skb(struct ionic_queue *q, struct sk_buff *skb,
        nfrags = skb_shinfo(skb)->nr_frags;
        for (frag_idx = 0; frag_idx < nfrags; frag_idx++, frag++) {
                dma_addr = ionic_tx_map_frag(q, frag, 0, skb_frag_size(frag));
-               if (dma_mapping_error(dev, dma_addr))
+               if (dma_mapping_error(dev, dma_addr)) {
+                       stats->dma_map_err++;
                        goto dma_fail;
+               }
                buf_info->dma_addr = dma_addr;
                buf_info->len = skb_frag_size(frag);
                buf_info++;