* [dpdk-stable] [PATCH] net/ice: retry getting VF VSI map after it fails
@ 2021-09-14 3:08 dapengx.yu
2021-09-24 5:43 ` Wang, Haiyue
2021-09-24 8:08 ` [dpdk-stable] [PATCH v2] " dapengx.yu
0 siblings, 2 replies; 5+ messages in thread
From: dapengx.yu @ 2021-09-14 3:08 UTC (permalink / raw)
To: Qiming Yang, Qi Zhang; +Cc: dev, haiyue.wang, Dapeng Yu, stable
From: Dapeng Yu <dapengx.yu@intel.com>
The request of getting VF VSI map request may fail when DCF is busy,
this patch adds retry mechanism to make it able to succeed.
Fixes: b09d34ac8584 ("net/ice: fix flow redirector")
Cc: stable@dpdk.org
Signed-off-by: Dapeng Yu <dapengx.yu@intel.com>
---
drivers/net/ice/ice_dcf.c | 15 +++++++++++++--
1 file changed, 13 insertions(+), 2 deletions(-)
diff --git a/drivers/net/ice/ice_dcf.c b/drivers/net/ice/ice_dcf.c
index 38e9a84698..043bd48192 100644
--- a/drivers/net/ice/ice_dcf.c
+++ b/drivers/net/ice/ice_dcf.c
@@ -534,6 +534,7 @@ int
ice_dcf_handle_vsi_update_event(struct ice_dcf_hw *hw)
{
struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(hw->eth_dev);
+ int i = 0;
int err = 0;
rte_spinlock_lock(&hw->vc_cmd_send_lock);
@@ -541,8 +542,18 @@ ice_dcf_handle_vsi_update_event(struct ice_dcf_hw *hw)
rte_intr_disable(&pci_dev->intr_handle);
ice_dcf_disable_irq0(hw);
- if (ice_dcf_get_vf_resource(hw) || ice_dcf_get_vf_vsi_map(hw) < 0)
- err = -1;
+ do {
+ if (ice_dcf_get_vf_resource(hw) ||
+ ice_dcf_get_vf_vsi_map(hw) < 0) {
+ err = -1;
+ goto again;
+ } else {
+ err = 0;
+ break;
+ }
+again:
+ rte_delay_ms(ICE_DCF_ARQ_CHECK_TIME);
+ } while (i++ < ICE_DCF_ARQ_MAX_RETRIES);
rte_intr_enable(&pci_dev->intr_handle);
ice_dcf_enable_irq0(hw);
--
2.27.0
^ permalink raw reply [flat|nested] 5+ messages in thread* Re: [dpdk-stable] [PATCH] net/ice: retry getting VF VSI map after it fails
2021-09-14 3:08 [dpdk-stable] [PATCH] net/ice: retry getting VF VSI map after it fails dapengx.yu
@ 2021-09-24 5:43 ` Wang, Haiyue
2021-09-24 8:08 ` [dpdk-stable] [PATCH v2] " dapengx.yu
1 sibling, 0 replies; 5+ messages in thread
From: Wang, Haiyue @ 2021-09-24 5:43 UTC (permalink / raw)
To: Yu, DapengX, Yang, Qiming, Zhang, Qi Z; +Cc: dev, stable
> -----Original Message-----
> From: Yu, DapengX <dapengx.yu@intel.com>
> Sent: Tuesday, September 14, 2021 11:09
> To: Yang, Qiming <qiming.yang@intel.com>; Zhang, Qi Z <qi.z.zhang@intel.com>
> Cc: dev@dpdk.org; Wang, Haiyue <haiyue.wang@intel.com>; Yu, DapengX <dapengx.yu@intel.com>;
> stable@dpdk.org
> Subject: [PATCH] net/ice: retry getting VF VSI map after it fails
>
> From: Dapeng Yu <dapengx.yu@intel.com>
>
> The request of getting VF VSI map request may fail when DCF is busy,
> this patch adds retry mechanism to make it able to succeed.
>
> Fixes: b09d34ac8584 ("net/ice: fix flow redirector")
> Cc: stable@dpdk.org
>
> Signed-off-by: Dapeng Yu <dapengx.yu@intel.com>
> ---
> drivers/net/ice/ice_dcf.c | 15 +++++++++++++--
> 1 file changed, 13 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/net/ice/ice_dcf.c b/drivers/net/ice/ice_dcf.c
> index 38e9a84698..043bd48192 100644
> --- a/drivers/net/ice/ice_dcf.c
> +++ b/drivers/net/ice/ice_dcf.c
> @@ -534,6 +534,7 @@ int
> ice_dcf_handle_vsi_update_event(struct ice_dcf_hw *hw)
> {
> struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(hw->eth_dev);
> + int i = 0;
> int err = 0;
>
> rte_spinlock_lock(&hw->vc_cmd_send_lock);
> @@ -541,8 +542,18 @@ ice_dcf_handle_vsi_update_event(struct ice_dcf_hw *hw)
> rte_intr_disable(&pci_dev->intr_handle);
> ice_dcf_disable_irq0(hw);
>
> - if (ice_dcf_get_vf_resource(hw) || ice_dcf_get_vf_vsi_map(hw) < 0)
> - err = -1;
> + do {
> + if (ice_dcf_get_vf_resource(hw) ||
> + ice_dcf_get_vf_vsi_map(hw) < 0) {
> + err = -1;
> + goto again;
> + } else {
> + err = 0;
> + break;
> + }
> +again:
> + rte_delay_ms(ICE_DCF_ARQ_CHECK_TIME);
> + } while (i++ < ICE_DCF_ARQ_MAX_RETRIES);
>
I think we can remove the 'goto', and sleep if we can (like < MAX_RERRIES),
like:
int err = -1;
int i = 0;
for (;;) {
if (ice_dcf_get_vf_resource(hw) == 0 &&
ice_dcf_get_vf_vsi_map(hw) >= 0) {
err = 0;
break;
}
if (++i < ICE_DCF_ARQ_MAX_RETRIES)
break;
rte_delay_ms(ICE_DCF_ARQ_CHECK_TIME);
}
> rte_intr_enable(&pci_dev->intr_handle);
> ice_dcf_enable_irq0(hw);
> --
> 2.27.0
^ permalink raw reply [flat|nested] 5+ messages in thread* [dpdk-stable] [PATCH v2] net/ice: retry getting VF VSI map after it fails
2021-09-14 3:08 [dpdk-stable] [PATCH] net/ice: retry getting VF VSI map after it fails dapengx.yu
2021-09-24 5:43 ` Wang, Haiyue
@ 2021-09-24 8:08 ` dapengx.yu
2021-09-24 8:23 ` Wang, Haiyue
1 sibling, 1 reply; 5+ messages in thread
From: dapengx.yu @ 2021-09-24 8:08 UTC (permalink / raw)
To: Qiming Yang, Qi Zhang; +Cc: dev, haiyue.wang, Dapeng Yu, stable
From: Dapeng Yu <dapengx.yu@intel.com>
The request of getting VF VSI map request may fail when DCF is busy,
this patch adds retry mechanism to make it able to succeed.
Fixes: b09d34ac8584 ("net/ice: fix flow redirector")
Cc: stable@dpdk.org
Signed-off-by: Dapeng Yu <dapengx.yu@intel.com>
---
V2:
* Remove goto
---
drivers/net/ice/ice_dcf.c | 17 ++++++++++++++---
1 file changed, 14 insertions(+), 3 deletions(-)
diff --git a/drivers/net/ice/ice_dcf.c b/drivers/net/ice/ice_dcf.c
index 38e9a84698..c9c01a14e3 100644
--- a/drivers/net/ice/ice_dcf.c
+++ b/drivers/net/ice/ice_dcf.c
@@ -534,15 +534,26 @@ int
ice_dcf_handle_vsi_update_event(struct ice_dcf_hw *hw)
{
struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(hw->eth_dev);
- int err = 0;
+ int i = 0;
+ int err = -1;
rte_spinlock_lock(&hw->vc_cmd_send_lock);
rte_intr_disable(&pci_dev->intr_handle);
ice_dcf_disable_irq0(hw);
- if (ice_dcf_get_vf_resource(hw) || ice_dcf_get_vf_vsi_map(hw) < 0)
- err = -1;
+ for (;;) {
+ if (ice_dcf_get_vf_resource(hw) == 0 &&
+ ice_dcf_get_vf_vsi_map(hw) >= 0) {
+ err = 0;
+ break;
+ }
+
+ if (++i >= ICE_DCF_ARQ_MAX_RETRIES)
+ break;
+
+ rte_delay_ms(ICE_DCF_ARQ_CHECK_TIME);
+ }
rte_intr_enable(&pci_dev->intr_handle);
ice_dcf_enable_irq0(hw);
--
2.27.0
^ permalink raw reply [flat|nested] 5+ messages in thread* Re: [dpdk-stable] [PATCH v2] net/ice: retry getting VF VSI map after it fails
2021-09-24 8:08 ` [dpdk-stable] [PATCH v2] " dapengx.yu
@ 2021-09-24 8:23 ` Wang, Haiyue
2021-09-28 4:58 ` Zhang, Qi Z
0 siblings, 1 reply; 5+ messages in thread
From: Wang, Haiyue @ 2021-09-24 8:23 UTC (permalink / raw)
To: Yu, DapengX, Yang, Qiming, Zhang, Qi Z; +Cc: dev, stable
> -----Original Message-----
> From: Yu, DapengX <dapengx.yu@intel.com>
> Sent: Friday, September 24, 2021 16:08
> To: Yang, Qiming <qiming.yang@intel.com>; Zhang, Qi Z <qi.z.zhang@intel.com>
> Cc: dev@dpdk.org; Wang, Haiyue <haiyue.wang@intel.com>; Yu, DapengX <dapengx.yu@intel.com>;
> stable@dpdk.org
> Subject: [PATCH v2] net/ice: retry getting VF VSI map after it fails
>
> From: Dapeng Yu <dapengx.yu@intel.com>
>
> The request of getting VF VSI map request may fail when DCF is busy,
> this patch adds retry mechanism to make it able to succeed.
>
> Fixes: b09d34ac8584 ("net/ice: fix flow redirector")
> Cc: stable@dpdk.org
>
> Signed-off-by: Dapeng Yu <dapengx.yu@intel.com>
> ---
> V2:
> * Remove goto
> ---
> drivers/net/ice/ice_dcf.c | 17 ++++++++++++++---
> 1 file changed, 14 insertions(+), 3 deletions(-)
>
Acked-by: Haiyue Wang <haiyue.wang@intel.com>
> --
> 2.27.0
^ permalink raw reply [flat|nested] 5+ messages in thread* Re: [dpdk-stable] [PATCH v2] net/ice: retry getting VF VSI map after it fails
2021-09-24 8:23 ` Wang, Haiyue
@ 2021-09-28 4:58 ` Zhang, Qi Z
0 siblings, 0 replies; 5+ messages in thread
From: Zhang, Qi Z @ 2021-09-28 4:58 UTC (permalink / raw)
To: Wang, Haiyue, Yu, DapengX, Yang, Qiming; +Cc: dev, stable
> -----Original Message-----
> From: Wang, Haiyue <haiyue.wang@intel.com>
> Sent: Friday, September 24, 2021 4:24 PM
> To: Yu, DapengX <dapengx.yu@intel.com>; Yang, Qiming
> <qiming.yang@intel.com>; Zhang, Qi Z <qi.z.zhang@intel.com>
> Cc: dev@dpdk.org; stable@dpdk.org
> Subject: RE: [PATCH v2] net/ice: retry getting VF VSI map after it fails
>
> > -----Original Message-----
> > From: Yu, DapengX <dapengx.yu@intel.com>
> > Sent: Friday, September 24, 2021 16:08
> > To: Yang, Qiming <qiming.yang@intel.com>; Zhang, Qi Z
> > <qi.z.zhang@intel.com>
> > Cc: dev@dpdk.org; Wang, Haiyue <haiyue.wang@intel.com>; Yu, DapengX
> > <dapengx.yu@intel.com>; stable@dpdk.org
> > Subject: [PATCH v2] net/ice: retry getting VF VSI map after it fails
> >
> > From: Dapeng Yu <dapengx.yu@intel.com>
> >
> > The request of getting VF VSI map request may fail when DCF is busy,
> > this patch adds retry mechanism to make it able to succeed.
> >
> > Fixes: b09d34ac8584 ("net/ice: fix flow redirector")
> > Cc: stable@dpdk.org
> >
> > Signed-off-by: Dapeng Yu <dapengx.yu@intel.com>
> > ---
> > V2:
> > * Remove goto
> > ---
> > drivers/net/ice/ice_dcf.c | 17 ++++++++++++++---
> > 1 file changed, 14 insertions(+), 3 deletions(-)
> >
>
> Acked-by: Haiyue Wang <haiyue.wang@intel.com>
Applied to dpdk-next-net-intel.
Thanks
Qi
>
> > --
> > 2.27.0
>
^ permalink raw reply [flat|nested] 5+ messages in thread
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Thread overview: 5+ messages (download: mbox.gz / follow: Atom feed)
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2021-09-14 3:08 [dpdk-stable] [PATCH] net/ice: retry getting VF VSI map after it fails dapengx.yu
2021-09-24 5:43 ` Wang, Haiyue
2021-09-24 8:08 ` [dpdk-stable] [PATCH v2] " dapengx.yu
2021-09-24 8:23 ` Wang, Haiyue
2021-09-28 4:58 ` Zhang, Qi Z
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