diff options
Diffstat (limited to 'drivers/net/ethernet/intel/i40evf/i40evf_main.c')
| -rw-r--r-- | drivers/net/ethernet/intel/i40evf/i40evf_main.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/drivers/net/ethernet/intel/i40evf/i40evf_main.c b/drivers/net/ethernet/intel/i40evf/i40evf_main.c index c690aba8e8d1..12a930e879af 100644 --- a/drivers/net/ethernet/intel/i40evf/i40evf_main.c +++ b/drivers/net/ethernet/intel/i40evf/i40evf_main.c @@ -694,11 +694,18 @@ static void i40evf_configure_rx(struct i40evf_adapter *adapter) /* Legacy Rx will always default to a 2048 buffer size. */ #if (PAGE_SIZE < 8192) if (!(adapter->flags & I40EVF_FLAG_LEGACY_RX)) { + /* For jumbo frames on systems with 4K pages we have to use + * an order 1 page, so we might as well increase the size + * of our Rx buffer to make better use of the available space + */ + rx_buf_len = I40E_RXBUFFER_3072; + /* We use a 1536 buffer size for configurations with * standard Ethernet mtu. On x86 this gives us enough room * for shared info and 192 bytes of padding. */ - if (netdev->mtu <= ETH_DATA_LEN) + if (!I40E_2K_TOO_SMALL_WITH_PADDING && + (netdev->mtu <= ETH_DATA_LEN)) rx_buf_len = I40E_RXBUFFER_1536 - NET_IP_ALIGN; } #endif @@ -706,6 +713,11 @@ static void i40evf_configure_rx(struct i40evf_adapter *adapter) for (i = 0; i < adapter->num_active_queues; i++) { adapter->rx_rings[i].tail = hw->hw_addr + I40E_QRX_TAIL1(i); adapter->rx_rings[i].rx_buf_len = rx_buf_len; + + if (adapter->flags & I40EVF_FLAG_LEGACY_RX) + clear_ring_build_skb_enabled(&adapter->rx_rings[i]); + else + set_ring_build_skb_enabled(&adapter->rx_rings[i]); } } |