diff options
Diffstat (limited to 'drivers/net/ethernet/sfc/farch.c')
| -rw-r--r-- | drivers/net/ethernet/sfc/farch.c | 48 |
1 files changed, 21 insertions, 27 deletions
diff --git a/drivers/net/ethernet/sfc/farch.c b/drivers/net/ethernet/sfc/farch.c index c0907d884d75..f72489a105ca 100644 --- a/drivers/net/ethernet/sfc/farch.c +++ b/drivers/net/ethernet/sfc/farch.c @@ -1147,7 +1147,7 @@ static void efx_farch_handle_generated_event(struct efx_channel *channel, /* The queue must be empty, so we won't receive any rx * events, so efx_process_channel() won't refill the * queue. Refill it here */ - efx_fast_push_rx_descriptors(rx_queue); + efx_fast_push_rx_descriptors(rx_queue, true); } else if (rx_queue && magic == EFX_CHANNEL_MAGIC_RX_DRAIN(rx_queue)) { efx_farch_handle_drain_event(channel); } else if (code == _EFX_CHANNEL_MAGIC_TX_DRAIN) { @@ -1618,8 +1618,7 @@ void efx_farch_rx_push_indir_table(struct efx_nic *efx) size_t i = 0; efx_dword_t dword; - if (efx_nic_rev(efx) < EFX_REV_FALCON_B0) - return; + BUG_ON(efx_nic_rev(efx) < EFX_REV_FALCON_B0); BUILD_BUG_ON(ARRAY_SIZE(efx->rx_indir_table) != FR_BZ_RX_INDIRECTION_TBL_ROWS); @@ -1745,8 +1744,6 @@ void efx_farch_init_common(struct efx_nic *efx) EFX_INVERT_OWORD(temp); efx_writeo(efx, &temp, FR_AZ_FATAL_INTR_KER); - efx_farch_rx_push_indir_table(efx); - /* Disable the ugly timer-based TX DMA backoff and allow TX DMA to be * controlled by the RX FIFO fill level. Set arbitration to one pkt/Q. */ @@ -2187,14 +2184,14 @@ efx_farch_filter_to_gen_spec(struct efx_filter_spec *gen_spec, } static void -efx_farch_filter_init_rx_for_stack(struct efx_nic *efx, - struct efx_farch_filter_spec *spec) +efx_farch_filter_init_rx_auto(struct efx_nic *efx, + struct efx_farch_filter_spec *spec) { /* If there's only one channel then disable RSS for non VF * traffic, thereby allowing VFs to use RSS when the PF can't. */ - spec->priority = EFX_FILTER_PRI_REQUIRED; - spec->flags = (EFX_FILTER_FLAG_RX | EFX_FILTER_FLAG_RX_STACK | + spec->priority = EFX_FILTER_PRI_AUTO; + spec->flags = (EFX_FILTER_FLAG_RX | (efx->n_rx_channels > 1 ? EFX_FILTER_FLAG_RX_RSS : 0) | (efx->rx_scatter ? EFX_FILTER_FLAG_RX_SCATTER : 0)); spec->dmaq_id = 0; @@ -2459,20 +2456,13 @@ s32 efx_farch_filter_insert(struct efx_nic *efx, rc = -EEXIST; goto out; } - if (spec.priority < saved_spec->priority && - !(saved_spec->priority == EFX_FILTER_PRI_REQUIRED && - saved_spec->flags & EFX_FILTER_FLAG_RX_STACK)) { + if (spec.priority < saved_spec->priority) { rc = -EPERM; goto out; } - if (spec.flags & EFX_FILTER_FLAG_RX_STACK) { - /* Just make sure it won't be removed */ - saved_spec->flags |= EFX_FILTER_FLAG_RX_STACK; - rc = 0; - goto out; - } - /* Retain the RX_STACK flag */ - spec.flags |= saved_spec->flags & EFX_FILTER_FLAG_RX_STACK; + if (saved_spec->priority == EFX_FILTER_PRI_AUTO || + saved_spec->flags & EFX_FILTER_FLAG_RX_OVER_AUTO) + spec.flags |= EFX_FILTER_FLAG_RX_OVER_AUTO; } /* Insert the filter */ @@ -2553,11 +2543,11 @@ static int efx_farch_filter_remove(struct efx_nic *efx, struct efx_farch_filter_spec *spec = &table->spec[filter_idx]; if (!test_bit(filter_idx, table->used_bitmap) || - spec->priority > priority) + spec->priority != priority) return -ENOENT; - if (spec->flags & EFX_FILTER_FLAG_RX_STACK) { - efx_farch_filter_init_rx_for_stack(efx, spec); + if (spec->flags & EFX_FILTER_FLAG_RX_OVER_AUTO) { + efx_farch_filter_init_rx_auto(efx, spec); efx_farch_filter_push_rx_config(efx); } else { efx_farch_filter_table_clear_entry(efx, table, filter_idx); @@ -2640,12 +2630,15 @@ efx_farch_filter_table_clear(struct efx_nic *efx, unsigned int filter_idx; spin_lock_bh(&efx->filter_lock); - for (filter_idx = 0; filter_idx < table->size; ++filter_idx) - efx_farch_filter_remove(efx, table, filter_idx, priority); + for (filter_idx = 0; filter_idx < table->size; ++filter_idx) { + if (table->spec[filter_idx].priority != EFX_FILTER_PRI_AUTO) + efx_farch_filter_remove(efx, table, + filter_idx, priority); + } spin_unlock_bh(&efx->filter_lock); } -void efx_farch_filter_clear_rx(struct efx_nic *efx, +int efx_farch_filter_clear_rx(struct efx_nic *efx, enum efx_filter_priority priority) { efx_farch_filter_table_clear(efx, EFX_FARCH_FILTER_TABLE_RX_IP, @@ -2654,6 +2647,7 @@ void efx_farch_filter_clear_rx(struct efx_nic *efx, priority); efx_farch_filter_table_clear(efx, EFX_FARCH_FILTER_TABLE_RX_DEF, priority); + return 0; } u32 efx_farch_filter_count_rx_used(struct efx_nic *efx, @@ -2822,7 +2816,7 @@ int efx_farch_filter_table_probe(struct efx_nic *efx) for (i = 0; i < EFX_FARCH_FILTER_SIZE_RX_DEF; i++) { spec = &table->spec[i]; spec->type = EFX_FARCH_FILTER_UC_DEF + i; - efx_farch_filter_init_rx_for_stack(efx, spec); + efx_farch_filter_init_rx_auto(efx, spec); __set_bit(i, table->used_bitmap); } } |