From 4bccfc036abbdf510de808925c646c8c49e0309e Mon Sep 17 00:00:00 2001 From: Rahul Lakkireddy Date: Fri, 15 May 2020 22:41:04 +0530 Subject: cxgb4: tune burst buffer size for TC-MQPRIO offload For each traffic class, firmware handles up to 4 * MTU amount of data per burst cycle. Under heavy load, this small buffer size is a bottleneck when buffering large TSO packets in <= 1500 MTU case. Increase the burst buffer size to 8 * MTU when supported. Also, keep the driver's traffic class configuration API similar to the firmware API counterpart. Signed-off-by: Rahul Lakkireddy Signed-off-by: David S. Miller --- drivers/net/ethernet/chelsio/cxgb4/sched.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'drivers/net/ethernet/chelsio/cxgb4/sched.c') diff --git a/drivers/net/ethernet/chelsio/cxgb4/sched.c b/drivers/net/ethernet/chelsio/cxgb4/sched.c index cebe1412d960..fde93c50cfec 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/sched.c +++ b/drivers/net/ethernet/chelsio/cxgb4/sched.c @@ -57,7 +57,8 @@ static int t4_sched_class_fw_cmd(struct port_info *pi, p->u.params.ratemode, p->u.params.channel, e->idx, p->u.params.minrate, p->u.params.maxrate, - p->u.params.weight, p->u.params.pktsize); + p->u.params.weight, p->u.params.pktsize, + p->u.params.burstsize); break; default: err = -ENOTSUPP; -- cgit v1.2.3