sfc: Move all TX DMA length limiting into tx.c

Replace the duplicated logic in efx_enqueue_skb() and
efx_tx_queue_insert() with an inline function, efx_max_tx_len().

Remove the failed attempt at abstracting hardware-specifics and put
all the magic numbers in efx_max_tx_len().

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 0 insertions, 4 deletions

diff --git a/drivers/net/sfc/net_driver.h b/drivers/net/sfc/net_driver.h
index 3afadc621a81..91d8952e7884 100644
--- a/drivers/net/sfc/net_driver.h
+++ b/drivers/net/sfc/net_driver.h
@@ -870,8 +870,6 @@ static inline const char *efx_dev_name(struct efx_nic *efx)
  * @evq_ptr_tbl_base: Event queue pointer table base address
  * @evq_rptr_tbl_base: Event queue read-pointer table base address
  * @max_dma_mask: Maximum possible DMA mask
- * @tx_dma_mask: TX DMA mask
- * @bug5391_mask: Address mask for bug 5391 workaround
  * @rx_buffer_padding: Padding added to each RX buffer
  * @max_interrupt_mode: Highest capability interrupt mode supported
  *      from &enum efx_init_mode.
@@ -888,8 +886,6 @@ struct efx_nic_type {
         unsigned int evq_rptr_tbl_base;
 
         u64 max_dma_mask;
-        unsigned int tx_dma_mask;
-        unsigned bug5391_mask;
 
         unsigned int rx_buffer_padding;
         unsigned int max_interrupt_mode;