diff options
Diffstat (limited to 'drivers/net/ethernet')
| -rw-r--r-- | drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c | 26 |
1 files changed, 13 insertions, 13 deletions
diff --git a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c index 350afec3dde8..a793f9ea05e7 100644 --- a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c +++ b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c @@ -1773,6 +1773,10 @@ static void ixgbevf_configure_rx_ring(struct ixgbevf_adapter *adapter, IXGBE_WRITE_REG(hw, IXGBE_VFRDT(reg_idx), 0); ring->tail = adapter->io_addr + IXGBE_VFRDT(reg_idx); + /* initialize rx_buffer_info */ + memset(ring->rx_buffer_info, 0, + sizeof(struct ixgbevf_rx_buffer) * ring->count); + /* initialize Rx descriptor 0 */ rx_desc = IXGBEVF_RX_DESC(ring, 0); rx_desc->wb.upper.length = 0; @@ -2131,8 +2135,7 @@ void ixgbevf_up(struct ixgbevf_adapter *adapter) **/ static void ixgbevf_clean_rx_ring(struct ixgbevf_ring *rx_ring) { - unsigned long size; - unsigned int i; + u16 i = rx_ring->next_to_clean; /* Free Rx ring sk_buff */ if (rx_ring->skb) { @@ -2140,17 +2143,11 @@ static void ixgbevf_clean_rx_ring(struct ixgbevf_ring *rx_ring) rx_ring->skb = NULL; } - /* ring already cleared, nothing to do */ - if (!rx_ring->rx_buffer_info) - return; - /* Free all the Rx ring pages */ - for (i = 0; i < rx_ring->count; i++) { + while (i != rx_ring->next_to_alloc) { struct ixgbevf_rx_buffer *rx_buffer; rx_buffer = &rx_ring->rx_buffer_info[i]; - if (!rx_buffer->page) - continue; /* Invalidate cache lines that may have been written to by * device so that we avoid corrupting memory. @@ -2171,11 +2168,14 @@ static void ixgbevf_clean_rx_ring(struct ixgbevf_ring *rx_ring) __page_frag_cache_drain(rx_buffer->page, rx_buffer->pagecnt_bias); - rx_buffer->page = NULL; + i++; + if (i == rx_ring->count) + i = 0; } - size = sizeof(struct ixgbevf_rx_buffer) * rx_ring->count; - memset(rx_ring->rx_buffer_info, 0, size); + rx_ring->next_to_alloc = 0; + rx_ring->next_to_clean = 0; + rx_ring->next_to_use = 0; } /** @@ -3090,7 +3090,7 @@ int ixgbevf_setup_rx_resources(struct ixgbevf_ring *rx_ring) int size; size = sizeof(struct ixgbevf_rx_buffer) * rx_ring->count; - rx_ring->rx_buffer_info = vzalloc(size); + rx_ring->rx_buffer_info = vmalloc(size); if (!rx_ring->rx_buffer_info) goto err; |