From 79de6e7cb8ac9bd0c98be663d414f85ef90c1196 Mon Sep 17 00:00:00 2001 From: Edward Cree Date: Thu, 2 Jul 2020 17:30:23 +0100 Subject: 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 Signed-off-by: David S. Miller --- drivers/net/ethernet/sfc/tx_common.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) (limited to 'drivers/net/ethernet/sfc/tx_common.c') 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; -- cgit v1.2.3