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sfc: commonise drain event handling 

Avoids a call from generic MCDI code into ef10.c.

Signed-off-by: Edward Cree <ecree@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Edward Cree 2020-06-29 14:39:32 +01:00 committed by David S. Miller
parent 21ea21252e
commit 850b722756
3 changed files with 9 additions and 10 deletions
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8
drivers/net/ethernet/sfc/ef10.c
View File

@ -3117,14 +3117,6 @@ static void efx_ef10_ev_test_generate(struct efx_channel *channel)
netif_err(efx, hw, efx->net_dev, "%s: failed rc=%d\n", __func__, rc);
}
void efx_ef10_handle_drain_event(struct efx_nic *efx)
{
if (atomic_dec_and_test(&efx->active_queues))
wake_up(&efx->flush_wq);
WARN_ON(atomic_read(&efx->active_queues) < 0);
}
static int efx_ef10_fini_dmaq(struct efx_nic *efx)
{
struct efx_tx_queue *tx_queue;

10
drivers/net/ethernet/sfc/mcdi.c
View File

@ -1299,6 +1299,14 @@ static void efx_mcdi_abandon(struct efx_nic *efx)
efx_schedule_reset(efx, RESET_TYPE_MCDI_TIMEOUT);
}
static void efx_handle_drain_event(struct efx_nic *efx)
{
if (atomic_dec_and_test(&efx->active_queues))
wake_up(&efx->flush_wq);
WARN_ON(atomic_read(&efx->active_queues) < 0);
}
/* Called from efx_farch_ev_process and efx_ef10_ev_process for MCDI events */
void efx_mcdi_process_event(struct efx_channel *channel,
efx_qword_t *event)
@ -1371,7 +1379,7 @@ void efx_mcdi_process_event(struct efx_channel *channel,
BUILD_BUG_ON(MCDI_EVENT_TX_FLUSH_TO_DRIVER_LBN !=
MCDI_EVENT_RX_FLUSH_TO_DRIVER_LBN);
if (!MCDI_EVENT_FIELD(*event, TX_FLUSH_TO_DRIVER))
efx_ef10_handle_drain_event(efx);
efx_handle_drain_event(efx);
break;
case MCDI_EVENT_CODE_TX_ERR:
case MCDI_EVENT_CODE_RX_ERR:

1
drivers/net/ethernet/sfc/nic.h
View File

@ -376,7 +376,6 @@ void falcon_stop_nic_stats(struct efx_nic *efx);
int falcon_reset_xaui(struct efx_nic *efx);
void efx_farch_dimension_resources(struct efx_nic *efx, unsigned sram_lim_qw);
void efx_farch_init_common(struct efx_nic *efx);
void efx_ef10_handle_drain_event(struct efx_nic *efx);
void efx_farch_rx_push_indir_table(struct efx_nic *efx);
void efx_farch_rx_pull_indir_table(struct efx_nic *efx);