diff options
| author | Edward Cree <ecree@solarflare.com> | 2020-07-02 19:30:23 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2020-07-03 00:47:40 +0300 |
| commit | 79de6e7cb8ac9bd0c98be663d414f85ef90c1196 (patch) | |
| tree | 000ddee2a8378cb7edff707acac3a13f8267ec09 /drivers/net/ethernet/sfc/tx_common.c | |
| parent | a81dcd85a7c1bc548ce8fb635623970fdee5887d (diff) | |
| download | linux-79de6e7cb8ac9bd0c98be663d414f85ef90c1196.tar.xz | |
sfc: don't call tx_limit_len if NIC type doesn't have one
EF100 doesn't need to split up large DMAs.
Signed-off-by: Edward Cree <ecree@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/sfc/tx_common.c')
| -rw-r--r-- | drivers/net/ethernet/sfc/tx_common.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/net/ethernet/sfc/tx_common.c b/drivers/net/ethernet/sfc/tx_common.c index 2a058b76d1f0..11b64c609550 100644 --- a/drivers/net/ethernet/sfc/tx_common.c +++ b/drivers/net/ethernet/sfc/tx_common.c @@ -298,7 +298,11 @@ struct efx_tx_buffer *efx_tx_map_chunk(struct efx_tx_queue *tx_queue, /* Map the fragment taking account of NIC-dependent DMA limits. */ do { buffer = efx_tx_queue_get_insert_buffer(tx_queue); - dma_len = nic_type->tx_limit_len(tx_queue, dma_addr, len); + + if (nic_type->tx_limit_len) + dma_len = nic_type->tx_limit_len(tx_queue, dma_addr, len); + else + dma_len = len; buffer->len = dma_len; buffer->dma_addr = dma_addr; |