diff options
Diffstat (limited to 'drivers/net/ethernet/google/gve/gve_rx.c')
| -rw-r--r-- | drivers/net/ethernet/google/gve/gve_rx.c | 37 |
1 files changed, 29 insertions, 8 deletions
diff --git a/drivers/net/ethernet/google/gve/gve_rx.c b/drivers/net/ethernet/google/gve/gve_rx.c index 9f52e72ff641..008fa897a3e6 100644 --- a/drivers/net/ethernet/google/gve/gve_rx.c +++ b/drivers/net/ethernet/google/gve/gve_rx.c @@ -225,7 +225,8 @@ static enum pkt_hash_types gve_rss_type(__be16 pkt_flags) return PKT_HASH_TYPE_L2; } -static struct sk_buff *gve_rx_copy(struct net_device *dev, +static struct sk_buff *gve_rx_copy(struct gve_rx_ring *rx, + struct net_device *dev, struct napi_struct *napi, struct gve_rx_slot_page_info *page_info, u16 len) @@ -242,6 +243,11 @@ static struct sk_buff *gve_rx_copy(struct net_device *dev, skb_copy_to_linear_data(skb, va, len); skb->protocol = eth_type_trans(skb, dev); + + u64_stats_update_begin(&rx->statss); + rx->rx_copied_pkt++; + u64_stats_update_end(&rx->statss); + return skb; } @@ -284,8 +290,12 @@ static bool gve_rx(struct gve_rx_ring *rx, struct gve_rx_desc *rx_desc, u16 len; /* drop this packet */ - if (unlikely(rx_desc->flags_seq & GVE_RXF_ERR)) + if (unlikely(rx_desc->flags_seq & GVE_RXF_ERR)) { + u64_stats_update_begin(&rx->statss); + rx->rx_desc_err_dropped_pkt++; + u64_stats_update_end(&rx->statss); return true; + } len = be16_to_cpu(rx_desc->len) - GVE_RX_PAD; page_info = &rx->data.page_info[idx]; @@ -300,11 +310,14 @@ static bool gve_rx(struct gve_rx_ring *rx, struct gve_rx_desc *rx_desc, if (PAGE_SIZE == 4096) { if (len <= priv->rx_copybreak) { /* Just copy small packets */ - skb = gve_rx_copy(dev, napi, page_info, len); + skb = gve_rx_copy(rx, dev, napi, page_info, len); + u64_stats_update_begin(&rx->statss); + rx->rx_copybreak_pkt++; + u64_stats_update_end(&rx->statss); goto have_skb; } if (unlikely(!gve_can_recycle_pages(dev))) { - skb = gve_rx_copy(dev, napi, page_info, len); + skb = gve_rx_copy(rx, dev, napi, page_info, len); goto have_skb; } pagecount = page_count(page_info->page); @@ -314,8 +327,12 @@ static bool gve_rx(struct gve_rx_ring *rx, struct gve_rx_desc *rx_desc, * stack. */ skb = gve_rx_add_frags(dev, napi, page_info, len); - if (!skb) + if (!skb) { + u64_stats_update_begin(&rx->statss); + rx->rx_skb_alloc_fail++; + u64_stats_update_end(&rx->statss); return true; + } /* Make sure the kernel stack can't release the page */ get_page(page_info->page); /* "flip" to other packet buffer on this page */ @@ -324,21 +341,25 @@ static bool gve_rx(struct gve_rx_ring *rx, struct gve_rx_desc *rx_desc, /* We have previously passed the other half of this * page up the stack, but it has not yet been freed. */ - skb = gve_rx_copy(dev, napi, page_info, len); + skb = gve_rx_copy(rx, dev, napi, page_info, len); } else { WARN(pagecount < 1, "Pagecount should never be < 1"); return false; } } else { - skb = gve_rx_copy(dev, napi, page_info, len); + skb = gve_rx_copy(rx, dev, napi, page_info, len); } have_skb: /* We didn't manage to allocate an skb but we haven't had any * reset worthy failures. */ - if (!skb) + if (!skb) { + u64_stats_update_begin(&rx->statss); + rx->rx_skb_alloc_fail++; + u64_stats_update_end(&rx->statss); return true; + } if (likely(feat & NETIF_F_RXCSUM)) { /* NIC passes up the partial sum */ |