1 files changed, 49 insertions, 0 deletions

diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/feature.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/feature.c
index 10bac865d724..6d10c9efbe93 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/feature.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/feature.c
@@ -126,6 +126,53 @@ static void brcmf_feat_firmware_overrides(struct brcmf_pub *drv)
 	drv->feat_flags |= feat_flags;
 }
 
+struct brcmf_feat_wlcfeat {
+	u16 min_ver_major;
+	u16 min_ver_minor;
+	u32 feat_flags;
+};
+
+static const struct brcmf_feat_wlcfeat brcmf_feat_wlcfeat_map[] = {
+	{ 12, 0, BIT(BRCMF_FEAT_PMKID_V2) },
+	{ 13, 0, BIT(BRCMF_FEAT_PMKID_V3) },
+};
+
+static void brcmf_feat_wlc_version_overrides(struct brcmf_pub *drv)
+{
+	struct brcmf_if *ifp = brcmf_get_ifp(drv, 0);
+	const struct brcmf_feat_wlcfeat *e;
+	struct brcmf_wlc_version_le ver;
+	u32 feat_flags = 0;
+	int i, err, major, minor;
+
+	err = brcmf_fil_iovar_data_get(ifp, "wlc_ver", &ver, sizeof(ver));
+	if (err)
+		return;
+
+	major = le16_to_cpu(ver.wlc_ver_major);
+	minor = le16_to_cpu(ver.wlc_ver_minor);
+
+	brcmf_dbg(INFO, "WLC version: %d.%d\n", major, minor);
+
+	for (i = 0; i < ARRAY_SIZE(brcmf_feat_wlcfeat_map); i++) {
+		e = &brcmf_feat_wlcfeat_map[i];
+		if (major > e->min_ver_major ||
+		    (major == e->min_ver_major &&
+		     minor >= e->min_ver_minor)) {
+			feat_flags |= e->feat_flags;
+		}
+	}
+
+	if (!feat_flags)
+		return;
+
+	for (i = 0; i < BRCMF_FEAT_LAST; i++)
+		if (feat_flags & BIT(i))
+			brcmf_dbg(INFO, "enabling firmware feature: %s\n",
+				  brcmf_feat_names[i]);
+	drv->feat_flags |= feat_flags;
+}
+
 /**
  * brcmf_feat_iovar_int_get() - determine feature through iovar query.
  *
@@ -290,6 +337,7 @@ void brcmf_feat_attach(struct brcmf_pub *drvr)
 		ifp->drvr->feat_flags |= BIT(BRCMF_FEAT_SCAN_RANDOM_MAC);
 
 	brcmf_feat_iovar_int_get(ifp, BRCMF_FEAT_FWSUP, "sup_wpa");
+	brcmf_feat_iovar_int_get(ifp, BRCMF_FEAT_SCAN_V2, "scan_ver");
 
 	if (drvr->settings->feature_disable) {
 		brcmf_dbg(INFO, "Features: 0x%02x, disable: 0x%02x\n",
@@ -298,6 +346,7 @@ void brcmf_feat_attach(struct brcmf_pub *drvr)
 		ifp->drvr->feat_flags &= ~drvr->settings->feature_disable;
 	}
 
+	brcmf_feat_wlc_version_overrides(drvr);
 	brcmf_feat_firmware_overrides(drvr);
 
 	/* set chip related quirks */