* [PATCH net-next] cxgb4: when max_tx_rate is 0 disable tx rate limiting
@ 2018-09-03 10:51 Ganesh Goudar
2018-09-04 5:10 ` David Miller
0 siblings, 1 reply; 2+ messages in thread
From: Ganesh Goudar @ 2018-09-03 10:51 UTC (permalink / raw)
To: netdev, davem; +Cc: nirranjan, indranil, dt, Ganesh Goudar, Casey Leedom
in ndo_set_vf_rate() when max_tx_rate is 0 disable tx
rate limiting for that vf.
Signed-off-by: Casey Leedom <leedom@chelsio.com>
Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com>
---
drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c | 25 +++++++++++++++++++++++--
1 file changed, 23 insertions(+), 2 deletions(-)
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
index 961e3087..2e1e286 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
@@ -2749,6 +2749,27 @@ static int cxgb4_mgmt_set_vf_rate(struct net_device *dev, int vf,
return -EINVAL;
}
+ if (max_tx_rate == 0) {
+ /* unbind VF to to any Traffic Class */
+ fw_pfvf =
+ (FW_PARAMS_MNEM_V(FW_PARAMS_MNEM_PFVF) |
+ FW_PARAMS_PARAM_X_V(FW_PARAMS_PARAM_PFVF_SCHEDCLASS_ETH));
+ fw_class = 0xffffffff;
+ ret = t4_set_params(adap, adap->mbox, adap->pf, vf + 1, 1,
+ &fw_pfvf, &fw_class);
+ if (ret) {
+ dev_err(adap->pdev_dev,
+ "Err %d in unbinding PF %d VF %d from TX Rate Limiting\n",
+ ret, adap->pf, vf);
+ return -EINVAL;
+ }
+ dev_info(adap->pdev_dev,
+ "PF %d VF %d is unbound from TX Rate Limiting\n",
+ adap->pf, vf);
+ adap->vfinfo[vf].tx_rate = 0;
+ return 0;
+ }
+
ret = t4_get_link_params(pi, &link_ok, &speed, &mtu);
if (ret != FW_SUCCESS) {
dev_err(adap->pdev_dev,
@@ -2798,8 +2819,8 @@ static int cxgb4_mgmt_set_vf_rate(struct net_device *dev, int vf,
&fw_class);
if (ret) {
dev_err(adap->pdev_dev,
- "Err %d in binding VF %d to Traffic Class %d\n",
- ret, vf, class_id);
+ "Err %d in binding PF %d VF %d to Traffic Class %d\n",
+ ret, adap->pf, vf, class_id);
return -EINVAL;
}
dev_info(adap->pdev_dev, "PF %d VF %d is bound to Class %d\n",
--
2.1.0
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH net-next] cxgb4: when max_tx_rate is 0 disable tx rate limiting
2018-09-03 10:51 [PATCH net-next] cxgb4: when max_tx_rate is 0 disable tx rate limiting Ganesh Goudar
@ 2018-09-04 5:10 ` David Miller
0 siblings, 0 replies; 2+ messages in thread
From: David Miller @ 2018-09-04 5:10 UTC (permalink / raw)
To: ganeshgr; +Cc: netdev, nirranjan, indranil, dt, leedom
From: Ganesh Goudar <ganeshgr@chelsio.com>
Date: Mon, 3 Sep 2018 16:21:46 +0530
> in ndo_set_vf_rate() when max_tx_rate is 0 disable tx
> rate limiting for that vf.
>
> Signed-off-by: Casey Leedom <leedom@chelsio.com>
> Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com>
Applied, thanks.
^ permalink raw reply [flat|nested] 2+ messages in thread
end of thread, other threads:[~2018-09-04 9:33 UTC | newest]
Thread overview: 2+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2018-09-03 10:51 [PATCH net-next] cxgb4: when max_tx_rate is 0 disable tx rate limiting Ganesh Goudar
2018-09-04 5:10 ` David Miller
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.