With setting sdio_wq_highpri=1 in module parameters, tasks submitted to SDIO workqueue will put at the head of the queue and run immediately. This parameter is for getting higher TX/RX throughput with SDIO bus. Signed-off-by: Wright Feng <wright.feng@xxxxxxxxxxx> Signed-off-by: Chi-hsien Lin <chi-hsien.lin@xxxxxxxxxxx> --- .../wireless/broadcom/brcm80211/brcmfmac/common.c | 5 +++++ .../wireless/broadcom/brcm80211/brcmfmac/common.h | 2 ++ .../wireless/broadcom/brcm80211/brcmfmac/sdio.c | 22 ++++++++++++++-------- 3 files changed, 21 insertions(+), 8 deletions(-) diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/common.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/common.c index cda6bef..3cf0e74 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/common.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/common.c @@ -71,6 +71,10 @@ static int brcmf_eap_restrict; module_param_named(eap_restrict, brcmf_eap_restrict, int, 0400); MODULE_PARM_DESC(eap_restrict, "Block non-802.1X frames until auth finished"); +static int brcmf_sdio_wq_highpri; +module_param_named(sdio_wq_highpri, brcmf_sdio_wq_highpri, int, 0); +MODULE_PARM_DESC(sdio_wq_highpri, "Set SDIO workqueue to high priority"); + #ifdef DEBUG /* always succeed brcmf_bus_started() */ static int brcmf_ignore_probe_fail; @@ -418,6 +422,7 @@ struct brcmf_mp_device *brcmf_get_module_param(struct device *dev, settings->roamoff = !!brcmf_roamoff; settings->iapp = !!brcmf_iapp_enable; settings->eap_restrict = !!brcmf_eap_restrict; + settings->sdio_wq_highpri = !!brcmf_sdio_wq_highpri; #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 059f09c..0cb39b6 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/common.h +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/common.h @@ -38,6 +38,7 @@ extern struct brcmf_mp_global_t brcmf_mp_global; * @fcmode: FWS flow control. * @roamoff: Firmware roaming off? * @eap_restrict: Not allow data tx/rx until 802.1X auth succeeds + * @sdio_wq_highpri: Tasks submitted to SDIO workqueue will run immediately. * @ignore_probe_fail: Ignore probe failure. * @country_codes: If available, pointer to struct for translating country codes * @bus: Bus specific platform data. Only SDIO at the mmoment. @@ -49,6 +50,7 @@ struct brcmf_mp_device { bool roamoff; bool iapp; bool eap_restrict; + bool sdio_wq_highpri; bool ignore_probe_fail; struct brcmfmac_pd_cc *country_codes; const char *board_type; diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c index 3a08252..885e8bd 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c @@ -4342,9 +4342,21 @@ struct brcmf_sdio *brcmf_sdio_probe(struct brcmf_sdio_dev *sdiodev) bus->txminmax = BRCMF_TXMINMAX; bus->tx_seq = SDPCM_SEQ_WRAP - 1; + /* attempt to attach to the dongle */ + if (!(brcmf_sdio_probe_attach(bus))) { + brcmf_err("brcmf_sdio_probe_attach failed\n"); + goto fail; + } + /* single-threaded workqueue */ - wq = alloc_ordered_workqueue("brcmf_wq/%s", WQ_MEM_RECLAIM, - dev_name(&sdiodev->func1->dev)); + if (sdiodev->settings->sdio_wq_highpri) { + wq = alloc_workqueue("brcmf_wq/%s", + WQ_HIGHPRI | WQ_MEM_RECLAIM | WQ_UNBOUND, + 1, dev_name(&sdiodev->func1->dev)); + } else { + wq = alloc_ordered_workqueue("brcmf_wq/%s", WQ_MEM_RECLAIM, + dev_name(&sdiodev->func1->dev)); + } if (!wq) { brcmf_err("insufficient memory to create txworkqueue\n"); goto fail; @@ -4353,12 +4365,6 @@ struct brcmf_sdio *brcmf_sdio_probe(struct brcmf_sdio_dev *sdiodev) INIT_WORK(&bus->datawork, brcmf_sdio_dataworker); bus->brcmf_wq = wq; - /* attempt to attach to the dongle */ - if (!(brcmf_sdio_probe_attach(bus))) { - brcmf_err("brcmf_sdio_probe_attach failed\n"); - goto fail; - } - spin_lock_init(&bus->rxctl_lock); spin_lock_init(&bus->txq_lock); init_waitqueue_head(&bus->ctrl_wait); -- 2.1.0