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wireless/bcm43xxx: prefer HPWORK if bcmf task has higher priority than HPWORK

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Use high priority queue if the bcmf daemon task has a higher priority
than HPWORK, which will bring better performance especially on devices
that focus on real-time of network.

Signed-off-by: chao.an <anchao@xiaomi.com>
This commit is contained in:
chao.an 2022-06-19 20:48:31 +08:00 committed by Xiang Xiao
parent 47ebec34e3
commit 2e3ed3ae67
2 changed files with 10 additions and 5 deletions
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1
drivers/wireless/ieee80211/bcm43xxx/Kconfig
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@ -120,6 +120,7 @@ config IEEE80211_BROADCOM_FULLMAC_SDIO
config IEEE80211_BROADCOM_SCHED_PRIORITY config IEEE80211_BROADCOM_SCHED_PRIORITY
int "Broadcom BCMF daemon thread schedule priority" int "Broadcom BCMF daemon thread schedule priority"
default SCHED_HPWORKPRIORITY if SCHED_HPWORK
default 255 default 255
---help--- ---help---
This parameter should be set the bcmf daemon thread This parameter should be set the bcmf daemon thread

14
drivers/wireless/ieee80211/bcm43xxx/bcmf_netdev.c
View File

@ -68,13 +68,17 @@
/* The low priority work queue is preferred. If it is not enabled, LPWORK /* The low priority work queue is preferred. If it is not enabled, LPWORK
* will be the same as HPWORK. * will be the same as HPWORK.
* *
* NOTE: However, the network should NEVER run on the high priority work * Use high priority queue if the bcmf daemon task has a higher priority
* queue! That queue is intended only to service short back end interrupt * than HPWORK, which will bring better performance especially on devices
* processing that never suspends. Suspending the high priority work queue * that focus on real-time of network.
* may bring the system to its knees!
*/ */
#define BCMFWORK LPWORK #if defined(CONFIG_SCHED_HPWORK) && \
(CONFIG_IEEE80211_BROADCOM_SCHED_PRIORITY >= CONFIG_SCHED_HPWORKPRIORITY)
# define BCMFWORK HPWORK
#else
# define BCMFWORK LPWORK
#endif
/* CONFIG_IEEE80211_BROADCOM_NINTERFACES determines the number of physical /* CONFIG_IEEE80211_BROADCOM_NINTERFACES determines the number of physical
* interfaces that will be supported. * interfaces that will be supported.