diff options
| author | Edward Cree <ecree@solarflare.com> | 2018-07-02 16:12:53 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2018-07-04 14:06:19 +0900 |
| commit | e090bfb9f19259b958387d2bd4938d66b324cd09 (patch) | |
| tree | 1ed32c9175b0aa454d341935652a9d8d9ca07e47 /drivers/net/ethernet/sfc/efx.c | |
| parent | f6ad8c1bcdf014272d08c55b9469536952a0a771 (diff) | |
sfc: batch up RX delivery
Improves packet rate of 1-byte UDP receives by up to 10%.
Signed-off-by: Edward Cree <ecree@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/sfc/efx.c')
| -rw-r--r-- | drivers/net/ethernet/sfc/efx.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/net/ethernet/sfc/efx.c b/drivers/net/ethernet/sfc/efx.c index 570ec72266f3..b24c2e21db8e 100644 --- a/drivers/net/ethernet/sfc/efx.c +++ b/drivers/net/ethernet/sfc/efx.c @@ -264,11 +264,17 @@ static int efx_check_disabled(struct efx_nic *efx) static int efx_process_channel(struct efx_channel *channel, int budget) { struct efx_tx_queue *tx_queue; + struct list_head rx_list; int spent; if (unlikely(!channel->enabled)) return 0; + /* Prepare the batch receive list */ + EFX_WARN_ON_PARANOID(channel->rx_list != NULL); + INIT_LIST_HEAD(&rx_list); + channel->rx_list = &rx_list; + efx_for_each_channel_tx_queue(tx_queue, channel) { tx_queue->pkts_compl = 0; tx_queue->bytes_compl = 0; @@ -291,6 +297,10 @@ static int efx_process_channel(struct efx_channel *channel, int budget) } } + /* Receive any packets we queued up */ + netif_receive_skb_list(channel->rx_list); + channel->rx_list = NULL; + return spent; } @@ -555,6 +565,8 @@ static int efx_probe_channel(struct efx_channel *channel) goto fail; } + channel->rx_list = NULL; + return 0; fail: |