Commit 077ee7e6 authored by Jiawen Wu's avatar Jiawen Wu Committed by Jakub Kicinski
Browse files

net: libwx: fix number of Rx and Tx descriptors 



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: 883b5984 ("net: wangxun: add ethtool_ops for ring parameters")
Signed-off-by: default avatarJiawen Wu <jiawenwu@trustnetic.com>
Reviewed-by: default avatarSimon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20240910095629.570674-1-jiawenwu@trustnetic.com


Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parent 70654f4c

drivers/net/ethernet/wangxun/libwx/wx_type.h

+3 −3
Original line number Diff line number Diff line
@@ -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