diff options
| author |   Arthur Kiyanovski <akiyano@amazon.com> | 2018-10-11 11:26:24 +0300 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2018-10-11 10:13:51 -0700 |
| commit | 87731f0c681c9682c5521e5197d89e561b7da395 (patch) | |
| tree | 7576baaececc2eaef0647e90ff9cba752ac86b5e /drivers/net/ethernet/amazon/ena/ena_netdev.h | |
| parent | net: ena: limit refill Rx threshold to 256 to avoid latency issues (diff) | |
| download | linux-dev-87731f0c681c9682c5521e5197d89e561b7da395.tar.xz linux-dev-87731f0c681c9682c5521e5197d89e561b7da395.zip | |
net: ena: change rx copybreak default to reduce kernel memory pressure
Improves socket memory utilization when receiving packets larger
than 128 bytes (the previous rx copybreak) and smaller than 256 bytes.
Signed-off-by: Arthur Kiyanovski <akiyano@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/amazon/ena/ena_netdev.h')
| -rw-r--r-- | drivers/net/ethernet/amazon/ena/ena_netdev.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/ethernet/amazon/ena/ena_netdev.h b/drivers/net/ethernet/amazon/ena/ena_netdev.h index 0cf35ae77884..d241dfc542ca 100644 --- a/drivers/net/ethernet/amazon/ena/ena_netdev.h +++ b/drivers/net/ethernet/amazon/ena/ena_netdev.h @@ -81,7 +81,7 @@ #define ENA_DEFAULT_RING_SIZE (1024) #define ENA_TX_WAKEUP_THRESH (MAX_SKB_FRAGS + 2) -#define ENA_DEFAULT_RX_COPYBREAK (128 - NET_IP_ALIGN) +#define ENA_DEFAULT_RX_COPYBREAK (256 - NET_IP_ALIGN) /* limit the buffer size to 600 bytes to handle MTU changes from very * small to very large, in which case the number of buffers per packet |