Commit ee460417 authored Sep 10, 2020 by Lucy Yan Committed by David S. Miller Sep 10, 2020

net: dec: de2104x: Increase receive ring size for Tulip



Increase Rx ring size to address issue where hardware is reaching
the receive work limit.

Before:

[  102.223342] de2104x 0000:17:00.0 eth0: rx work limit reached
[  102.245695] de2104x 0000:17:00.0 eth0: rx work limit reached
[  102.251387] de2104x 0000:17:00.0 eth0: rx work limit reached
[  102.267444] de2104x 0000:17:00.0 eth0: rx work limit reached

Signed-off-by: Lucy Yan <lucyyan@google.com>
Reviewed-by: Moritz Fischer <mdf@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent 553d87b6

drivers/net/ethernet/dec/tulip/de2104x.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -85,7 +85,7 @@ MODULE_PARM_DESC (rx_copybreak, "de2104x Breakpoint at which Rx packets are copi
		#define DSL CONFIG_DE2104X_DSL
		#endif

		#define DE_RX_RING_SIZE 64
		#define DE_RX_RING_SIZE 128
		#define DE_TX_RING_SIZE 64
		#define DE_RING_BYTES \
		((sizeof(struct de_desc) * DE_RX_RING_SIZE) + \