diff options
Diffstat (limited to 'drivers/net/ethernet/sfc/falcon/efx.c')
| -rw-r--r-- | drivers/net/ethernet/sfc/falcon/efx.c | 42 |
1 files changed, 0 insertions, 42 deletions
diff --git a/drivers/net/ethernet/sfc/falcon/efx.c b/drivers/net/ethernet/sfc/falcon/efx.c index c4ff3bb1a1ef..f5e5cd1659a1 100644 --- a/drivers/net/ethernet/sfc/falcon/efx.c +++ b/drivers/net/ethernet/sfc/falcon/efx.c @@ -304,9 +304,6 @@ static int ef4_poll(struct napi_struct *napi, int budget) struct ef4_nic *efx = channel->efx; int spent; - if (!ef4_channel_lock_napi(channel)) - return budget; - netif_vdbg(efx, intr, efx->net_dev, "channel %d NAPI poll executing on CPU %d\n", channel->channel, raw_smp_processor_id()); @@ -331,7 +328,6 @@ static int ef4_poll(struct napi_struct *napi, int budget) ef4_nic_eventq_read_ack(channel); } - ef4_channel_unlock_napi(channel); return spent; } @@ -387,7 +383,6 @@ void ef4_start_eventq(struct ef4_channel *channel) channel->enabled = true; smp_wmb(); - ef4_channel_enable(channel); napi_enable(&channel->napi_str); ef4_nic_eventq_read_ack(channel); } @@ -399,8 +394,6 @@ void ef4_stop_eventq(struct ef4_channel *channel) return; napi_disable(&channel->napi_str); - while (!ef4_channel_disable(channel)) - usleep_range(1000, 20000); channel->enabled = false; } @@ -2029,7 +2022,6 @@ static void ef4_init_napi_channel(struct ef4_channel *channel) channel->napi_dev = efx->net_dev; netif_napi_add(channel->napi_dev, &channel->napi_str, ef4_poll, napi_weight); - ef4_channel_busy_poll_init(channel); } static void ef4_init_napi(struct ef4_nic *efx) @@ -2079,37 +2071,6 @@ static void ef4_netpoll(struct net_device *net_dev) #endif -#ifdef CONFIG_NET_RX_BUSY_POLL -static int ef4_busy_poll(struct napi_struct *napi) -{ - struct ef4_channel *channel = - container_of(napi, struct ef4_channel, napi_str); - struct ef4_nic *efx = channel->efx; - int budget = 4; - int old_rx_packets, rx_packets; - - if (!netif_running(efx->net_dev)) - return LL_FLUSH_FAILED; - - if (!ef4_channel_try_lock_poll(channel)) - return LL_FLUSH_BUSY; - - old_rx_packets = channel->rx_queue.rx_packets; - ef4_process_channel(channel, budget); - - rx_packets = channel->rx_queue.rx_packets - old_rx_packets; - - /* There is no race condition with NAPI here. - * NAPI will automatically be rescheduled if it yielded during busy - * polling, because it was not able to take the lock and thus returned - * the full budget. - */ - ef4_channel_unlock_poll(channel); - - return rx_packets; -} -#endif - /************************************************************************** * * Kernel net device interface @@ -2289,9 +2250,6 @@ static const struct net_device_ops ef4_netdev_ops = { .ndo_poll_controller = ef4_netpoll, #endif .ndo_setup_tc = ef4_setup_tc, -#ifdef CONFIG_NET_RX_BUSY_POLL - .ndo_busy_poll = ef4_busy_poll, -#endif #ifdef CONFIG_RFS_ACCEL .ndo_rx_flow_steer = ef4_filter_rfs, #endif |