The number of transmit and receive descriptors must be a multiple of 128 due to the hardware limitation. If it is set to a multiple of 8 instead of a multiple 128, the queues will easily be hung.
Cc: stable@vger.kernel.org Fixes: 883b5984a5d2 ("net: wangxun: add ethtool_ops for ring parameters") Signed-off-by: Jiawen Wu jiawenwu@trustnetic.com --- drivers/net/ethernet/wangxun/libwx/wx_type.h | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/net/ethernet/wangxun/libwx/wx_type.h b/drivers/net/ethernet/wangxun/libwx/wx_type.h index 1d57b047817b..b54bffda027b 100644 --- a/drivers/net/ethernet/wangxun/libwx/wx_type.h +++ b/drivers/net/ethernet/wangxun/libwx/wx_type.h @@ -426,9 +426,9 @@ enum WX_MSCA_CMD_value { #define WX_MIN_RXD 128 #define WX_MIN_TXD 128
-/* Number of Transmit and Receive Descriptors must be a multiple of 8 */ -#define WX_REQ_RX_DESCRIPTOR_MULTIPLE 8 -#define WX_REQ_TX_DESCRIPTOR_MULTIPLE 8 +/* Number of Transmit and Receive Descriptors must be a multiple of 128 */ +#define WX_REQ_RX_DESCRIPTOR_MULTIPLE 128 +#define WX_REQ_TX_DESCRIPTOR_MULTIPLE 128
#define WX_MAX_JUMBO_FRAME_SIZE 9432 /* max payload 9414 */ #define VMDQ_P(p) p