Return-path: Received: from mail-gw2-out.broadcom.com ([216.31.210.63]:46384 "EHLO mail-gw2-out.broadcom.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932522AbbLNNj6 (ORCPT ); Mon, 14 Dec 2015 08:39:58 -0500 From: Arend van Spriel To: Kalle Valo CC: linux-wireless , Arend van Spriel Subject: [PATCH 4/7] brcmfmac: obtain feature info using 'cap' firmware command Date: Mon, 14 Dec 2015 14:39:51 +0100 Message-ID: <1450100394-17414-5-git-send-email-arend@broadcom.com> (sfid-20151214_144019_571941_7BAB76D2) In-Reply-To: <1450100394-17414-1-git-send-email-arend@broadcom.com> References: <1450100394-17414-1-git-send-email-arend@broadcom.com> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-wireless-owner@vger.kernel.org List-ID: Several features in the driver directly map to a firmware feature listed in response of the 'cap' firmware command. For those features this response will be examined instead of attempting individual firmware commands. Reviewed-by: Hante Meuleman Reviewed-by: Franky (Zhenhui) Lin Reviewed-by: Pieter-Paul Giesberts Signed-off-by: Arend van Spriel --- .../wireless/broadcom/brcm80211/brcmfmac/feature.c | 51 +++++++++++++--------- 1 file changed, 30 insertions(+), 21 deletions(-) diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/feature.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/feature.c index d9d1ca4..08b7200 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/feature.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/feature.c @@ -40,6 +40,17 @@ static const char *brcmf_feat_names[] = { }; #undef BRCMF_FEAT_DEF +struct brcmf_feat_fwcap { + enum brcmf_feat_id feature; + const char * const fwcap_id; +}; + +static const struct brcmf_feat_fwcap brcmf_fwcap_map[] = { + { BRCMF_FEAT_MBSS, "mbss" }, + { BRCMF_FEAT_MCHAN, "mchan" }, + { BRCMF_FEAT_P2P, "p2p" }, +}; + #ifdef DEBUG /* * expand quirk list to array of quirk strings. @@ -104,25 +115,22 @@ static void brcmf_feat_iovar_int_get(struct brcmf_if *ifp, } } -/** - * brcmf_feat_iovar_int_set() - determine feature through iovar set. - * - * @ifp: interface to query. - * @id: feature id. - * @name: iovar name. - */ -static void brcmf_feat_iovar_int_set(struct brcmf_if *ifp, - enum brcmf_feat_id id, char *name, u32 val) +static void brcmf_feat_firmware_capabilities(struct brcmf_if *ifp) { - int err; - - err = brcmf_fil_iovar_int_set(ifp, name, val); - if (err == 0) { - brcmf_dbg(INFO, "enabling feature: %s\n", brcmf_feat_names[id]); - ifp->drvr->feat_flags |= BIT(id); - } else { - brcmf_dbg(TRACE, "%s feature check failed: %d\n", - brcmf_feat_names[id], err); + char caps[256]; + enum brcmf_feat_id id; + int i; + + brcmf_fil_iovar_data_get(ifp, "cap", caps, sizeof(caps)); + brcmf_dbg(INFO, "[ %s]\n", caps); + + for (i = 0; i < ARRAY_SIZE(brcmf_fwcap_map); i++) { + if (strnstr(caps, brcmf_fwcap_map[i].fwcap_id, sizeof(caps))) { + id = brcmf_fwcap_map[i].feature; + brcmf_dbg(INFO, "enabling feature: %s\n", + brcmf_feat_names[id]); + ifp->drvr->feat_flags |= BIT(id); + } } } @@ -130,13 +138,14 @@ void brcmf_feat_attach(struct brcmf_pub *drvr) { struct brcmf_if *ifp = brcmf_get_ifp(drvr, 0); - brcmf_feat_iovar_int_get(ifp, BRCMF_FEAT_MCHAN, "mchan"); + brcmf_feat_firmware_capabilities(ifp); + brcmf_feat_iovar_int_get(ifp, BRCMF_FEAT_PNO, "pfn"); if (drvr->bus_if->wowl_supported) brcmf_feat_iovar_int_get(ifp, BRCMF_FEAT_WOWL, "wowl"); + /* MBSS does not work for 43362 */ if (drvr->bus_if->chip != BRCM_CC_43362_CHIP_ID) - brcmf_feat_iovar_int_set(ifp, BRCMF_FEAT_MBSS, "mbss", 0); - brcmf_feat_iovar_int_get(ifp, BRCMF_FEAT_P2P, "p2p"); + ifp->drvr->feat_flags &= BIT(BRCMF_FEAT_MBSS); brcmf_feat_iovar_int_get(ifp, BRCMF_FEAT_RSDB, "rsdb_mode"); brcmf_feat_iovar_int_get(ifp, BRCMF_FEAT_TDLS, "tdls_enable"); -- 1.9.1