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brcmfmac: obtain feature info using 'cap' firmware command

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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 <meuleman@broadcom.com>
Reviewed-by: Franky (Zhenhui) Lin <frankyl@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Reviewed-by: Mathy Vanhoef <vanhoefm@gmail.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This commit is contained in:
Arend van Spriel 2016-01-02 09:41:39 +01:00 committed by Kalle Valo
parent 48ed16e86b
commit ec64241c9f
1 changed files with 30 additions and 21 deletions
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51
drivers/net/wireless/broadcom/brcm80211/brcmfmac/feature.c
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@ -42,6 +42,17 @@ 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.
@ -106,25 +117,22 @@ 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;
char caps[256];
enum brcmf_feat_id id;
int i;
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);
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);
}
}
}
@ -134,13 +142,14 @@ void brcmf_feat_attach(struct brcmf_pub *drvr)
struct brcmf_pno_macaddr_le pfn_mac;
s32 err;
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");
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");
/* MBSS does not work for 43362 */
if (drvr->bus_if->chip == BRCM_CC_43362_CHIP_ID)
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");