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path: root/drivers/net/ethernet/intel/i40e/i40e_txrx.c
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Diffstat (limited to 'drivers/net/ethernet/intel/i40e/i40e_txrx.c')
-rw-r--r--drivers/net/ethernet/intel/i40e/i40e_txrx.c13
1 files changed, 10 insertions, 3 deletions
diff --git a/drivers/net/ethernet/intel/i40e/i40e_txrx.c b/drivers/net/ethernet/intel/i40e/i40e_txrx.c
index 54fd497f6535..3d91b1655aec 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_txrx.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_txrx.c
@@ -1982,22 +1982,29 @@ static bool i40e_cleanup_headers(struct i40e_ring *rx_ring, struct sk_buff *skb,
/**
* i40e_can_reuse_rx_page - Determine if page can be reused for another Rx
* @rx_buffer: buffer containing the page
+ * @rx_stats: rx stats structure for the rx ring
* @rx_buffer_pgcnt: buffer page refcount pre xdp_do_redirect() call
*
* If page is reusable, we have a green light for calling i40e_reuse_rx_page,
* which will assign the current buffer to the buffer that next_to_alloc is
* pointing to; otherwise, the DMA mapping needs to be destroyed and
- * page freed
+ * page freed.
+ *
+ * rx_stats will be updated to indicate if the page was waived because it was
+ * not reusable.
*/
static bool i40e_can_reuse_rx_page(struct i40e_rx_buffer *rx_buffer,
+ struct i40e_rx_queue_stats *rx_stats,
int rx_buffer_pgcnt)
{
unsigned int pagecnt_bias = rx_buffer->pagecnt_bias;
struct page *page = rx_buffer->page;
/* Is any reuse possible? */
- if (!dev_page_is_reusable(page))
+ if (!dev_page_is_reusable(page)) {
+ rx_stats->page_waive_count++;
return false;
+ }
#if (PAGE_SIZE < 8192)
/* if we are only owner of page we can reuse it */
@@ -2237,7 +2244,7 @@ static void i40e_put_rx_buffer(struct i40e_ring *rx_ring,
struct i40e_rx_buffer *rx_buffer,
int rx_buffer_pgcnt)
{
- if (i40e_can_reuse_rx_page(rx_buffer, rx_buffer_pgcnt)) {
+ if (i40e_can_reuse_rx_page(rx_buffer, &rx_ring->rx_stats, rx_buffer_pgcnt)) {
/* hand second half of page back to the ring */
i40e_reuse_rx_page(rx_ring, rx_buffer);
} else {