diff options
| author | Wright Feng <wright.feng@cypress.com> | 2018-03-01 20:41:21 -0600 |
|---|---|---|
| committer | Jason Liu <jason.hui.liu@nxp.com> | 2019-02-12 10:32:23 +0800 |
| commit | 7d950e0ac551bc86e43f745d9757143817cc6ae8 (patch) | |
| tree | a26b5c30932fa1a6fe014467bc5b56685ecee4c1 /drivers/net/wireless/broadcom/brcm80211/brcmfmac | |
| parent | e20bdadc08bee689d73c857c92cb442c8f37856f (diff) | |
MLK-18675-18 brcmfmac: add a module parameter to set scheduling priority of sdio_dpc
To enhance RX throughput, we add a module parameter "sdio_dpc_prio" to let
user can set scheduling priority for sdio_dpc. It can improve RX
throughput by reducing the receiving time in sdio_dpc.
Signed-off-by: Wright Feng <wright.feng@cypress.com>
Signed-off-by: Fugang Duan <fugang.duan@nxp.com>
Diffstat (limited to 'drivers/net/wireless/broadcom/brcm80211/brcmfmac')
3 files changed, 16 insertions, 0 deletions
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/common.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/common.c index 6a59d0609d30..87df226181d7 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/common.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/common.c @@ -75,6 +75,10 @@ static int brcmf_roamoff; module_param_named(roamoff, brcmf_roamoff, int, S_IRUSR); MODULE_PARM_DESC(roamoff, "Do not use internal roaming engine"); +static int brcmf_sdio_dpc_prio; +module_param_named(sdio_dpc_prio, brcmf_sdio_dpc_prio, int, S_IRUSR); +MODULE_PARM_DESC(sdio_dpc_prio, "The scheduling priority of sdio_dpc thread"); + #ifdef DEBUG /* always succeed brcmf_bus_started() */ static int brcmf_ignore_probe_fail; @@ -444,6 +448,7 @@ struct brcmf_mp_device *brcmf_get_module_param(struct device *dev, settings->feature_disable = brcmf_feature_disable; settings->fcmode = brcmf_fcmode; settings->roamoff = !!brcmf_roamoff; + settings->sdio_dpc_prio = brcmf_sdio_dpc_prio; #ifdef DEBUG settings->ignore_probe_fail = !!brcmf_ignore_probe_fail; #endif diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/common.h b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/common.h index a62f8e70b320..4b4dc16a8ba3 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/common.h +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/common.h @@ -58,6 +58,7 @@ struct brcmf_mp_device { unsigned int feature_disable; int fcmode; bool roamoff; + int sdio_dpc_prio; bool ignore_probe_fail; struct brcmfmac_pd_cc *country_codes; union { diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c index c79493fdb44c..777163415839 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c @@ -33,6 +33,7 @@ #include <linux/bcma/bcma.h> #include <linux/debugfs.h> #include <linux/vmalloc.h> +#include <uapi/linux/sched/types.h> #include <asm/unaligned.h> #include <defs.h> #include <brcmu_wifi.h> @@ -2703,9 +2704,18 @@ static void brcmf_sdio_dpc(struct brcmf_sdio *bus) uint txlimit = bus->txbound; /* Tx frames to send before resched */ uint framecnt; /* Temporary counter of tx/rx frames */ int err = 0; + struct sched_param param; + struct brcmf_pub *drvr = bus->sdiodev->bus_if->drvr; + int sdio_dpc_prio = drvr->settings->sdio_dpc_prio; brcmf_dbg(TRACE, "Enter\n"); + if (sdio_dpc_prio > 0) { + param.sched_priority = (sdio_dpc_prio < MAX_RT_PRIO) ? + sdio_dpc_prio : (MAX_RT_PRIO - 1); + sched_setscheduler(current, SCHED_FIFO, ¶m); + } + sdio_claim_host(bus->sdiodev->func[1]); /* If waiting for HTAVAIL, check status */ |