diff options
Diffstat (limited to 'drivers/net/ethernet/sfc/tx_common.c')
| -rw-r--r-- | drivers/net/ethernet/sfc/tx_common.c | 40 |
1 files changed, 29 insertions, 11 deletions
diff --git a/drivers/net/ethernet/sfc/tx_common.c b/drivers/net/ethernet/sfc/tx_common.c index d530cde2b864..67e789b96c43 100644 --- a/drivers/net/ethernet/sfc/tx_common.c +++ b/drivers/net/ethernet/sfc/tx_common.c @@ -101,15 +101,19 @@ void efx_fini_tx_queue(struct efx_tx_queue *tx_queue) netif_dbg(tx_queue->efx, drv, tx_queue->efx->net_dev, "shutting down TX queue %d\n", tx_queue->queue); + tx_queue->initialised = false; + if (!tx_queue->buffer) return; /* Free any buffers left in the ring */ while (tx_queue->read_count != tx_queue->write_count) { unsigned int pkts_compl = 0, bytes_compl = 0; + unsigned int efv_pkts_compl = 0; buffer = &tx_queue->buffer[tx_queue->read_count & tx_queue->ptr_mask]; - efx_dequeue_buffer(tx_queue, buffer, &pkts_compl, &bytes_compl); + efx_dequeue_buffer(tx_queue, buffer, &pkts_compl, &bytes_compl, + &efv_pkts_compl); ++tx_queue->read_count; } @@ -144,7 +148,8 @@ void efx_remove_tx_queue(struct efx_tx_queue *tx_queue) void efx_dequeue_buffer(struct efx_tx_queue *tx_queue, struct efx_tx_buffer *buffer, unsigned int *pkts_compl, - unsigned int *bytes_compl) + unsigned int *bytes_compl, + unsigned int *efv_pkts_compl) { if (buffer->unmap_len) { struct device *dma_dev = &tx_queue->efx->pci_dev->dev; @@ -162,9 +167,15 @@ void efx_dequeue_buffer(struct efx_tx_queue *tx_queue, if (buffer->flags & EFX_TX_BUF_SKB) { struct sk_buff *skb = (struct sk_buff *)buffer->skb; - EFX_WARN_ON_PARANOID(!pkts_compl || !bytes_compl); - (*pkts_compl)++; - (*bytes_compl) += skb->len; + if (unlikely(buffer->flags & EFX_TX_BUF_EFV)) { + EFX_WARN_ON_PARANOID(!efv_pkts_compl); + (*efv_pkts_compl)++; + } else { + EFX_WARN_ON_PARANOID(!pkts_compl || !bytes_compl); + (*pkts_compl)++; + (*bytes_compl) += skb->len; + } + if (tx_queue->timestamping && (tx_queue->completed_timestamp_major || tx_queue->completed_timestamp_minor)) { @@ -197,7 +208,8 @@ void efx_dequeue_buffer(struct efx_tx_queue *tx_queue, static void efx_dequeue_buffers(struct efx_tx_queue *tx_queue, unsigned int index, unsigned int *pkts_compl, - unsigned int *bytes_compl) + unsigned int *bytes_compl, + unsigned int *efv_pkts_compl) { struct efx_nic *efx = tx_queue->efx; unsigned int stop_index, read_ptr; @@ -216,7 +228,8 @@ static void efx_dequeue_buffers(struct efx_tx_queue *tx_queue, return; } - efx_dequeue_buffer(tx_queue, buffer, pkts_compl, bytes_compl); + efx_dequeue_buffer(tx_queue, buffer, pkts_compl, bytes_compl, + efv_pkts_compl); ++tx_queue->read_count; read_ptr = tx_queue->read_count & tx_queue->ptr_mask; @@ -239,15 +252,17 @@ void efx_xmit_done_check_empty(struct efx_tx_queue *tx_queue) void efx_xmit_done(struct efx_tx_queue *tx_queue, unsigned int index) { unsigned int fill_level, pkts_compl = 0, bytes_compl = 0; + unsigned int efv_pkts_compl = 0; struct efx_nic *efx = tx_queue->efx; EFX_WARN_ON_ONCE_PARANOID(index > tx_queue->ptr_mask); - efx_dequeue_buffers(tx_queue, index, &pkts_compl, &bytes_compl); + efx_dequeue_buffers(tx_queue, index, &pkts_compl, &bytes_compl, + &efv_pkts_compl); tx_queue->pkts_compl += pkts_compl; tx_queue->bytes_compl += bytes_compl; - if (pkts_compl > 1) + if (pkts_compl + efv_pkts_compl > 1) ++tx_queue->merge_events; /* See if we need to restart the netif queue. This memory @@ -272,6 +287,7 @@ void efx_xmit_done(struct efx_tx_queue *tx_queue, unsigned int index) void efx_enqueue_unwind(struct efx_tx_queue *tx_queue, unsigned int insert_count) { + unsigned int efv_pkts_compl = 0; struct efx_tx_buffer *buffer; unsigned int bytes_compl = 0; unsigned int pkts_compl = 0; @@ -280,7 +296,8 @@ void efx_enqueue_unwind(struct efx_tx_queue *tx_queue, while (tx_queue->insert_count != insert_count) { --tx_queue->insert_count; buffer = __efx_tx_queue_get_insert_buffer(tx_queue); - efx_dequeue_buffer(tx_queue, buffer, &pkts_compl, &bytes_compl); + efx_dequeue_buffer(tx_queue, buffer, &pkts_compl, &bytes_compl, + &efv_pkts_compl); } } @@ -414,7 +431,8 @@ unsigned int efx_tx_max_skb_descs(struct efx_nic *efx) /* Possibly more for PCIe page boundaries within input fragments */ if (PAGE_SIZE > EFX_PAGE_SIZE) max_descs += max_t(unsigned int, MAX_SKB_FRAGS, - DIV_ROUND_UP(GSO_MAX_SIZE, EFX_PAGE_SIZE)); + DIV_ROUND_UP(GSO_LEGACY_MAX_SIZE, + EFX_PAGE_SIZE)); return max_descs; } |