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Date: Tue, 4 Jan 2022 16:26:47 +0900
From: Hector Martin <marcan@...can.st>
To: Kalle Valo <kvalo@...eaurora.org>,
"David S. Miller" <davem@...emloft.net>,
Jakub Kicinski <kuba@...nel.org>,
Rob Herring <robh+dt@...nel.org>,
"Rafael J. Wysocki" <rafael@...nel.org>,
Len Brown <lenb@...nel.org>,
Arend van Spriel <aspriel@...il.com>,
Franky Lin <franky.lin@...adcom.com>,
Hante Meuleman <hante.meuleman@...adcom.com>,
Chi-hsien Lin <chi-hsien.lin@...ineon.com>,
Wright Feng <wright.feng@...ineon.com>,
Dmitry Osipenko <digetx@...il.com>
Cc: Hector Martin <marcan@...can.st>, Sven Peter <sven@...npeter.dev>,
Alyssa Rosenzweig <alyssa@...enzweig.io>,
Mark Kettenis <kettenis@...nbsd.org>,
Rafał Miłecki <zajec5@...il.com>,
Pieter-Paul Giesberts <pieter-paul.giesberts@...adcom.com>,
Linus Walleij <linus.walleij@...aro.org>,
Hans de Goede <hdegoede@...hat.com>,
"John W. Linville" <linville@...driver.com>,
"brian m. carlson" <sandals@...stytoothpaste.net>,
Andy Shevchenko <andy.shevchenko@...il.com>,
linux-wireless@...r.kernel.org, netdev@...r.kernel.org,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
linux-acpi@...r.kernel.org, brcm80211-dev-list.pdl@...adcom.com,
SHA-cyfmac-dev-list@...ineon.com
Subject: [PATCH v2 24/35] brcmfmac: feature: Add support for setting feats based on WLC version
The "wlc_ver" iovar returns information on the WLC and EPI versions.
This can be used to determine whether the PMKID_V2 and _V3 features are
supported.
Reviewed-by: Linus Walleij <linus.walleij@...aro.org>
Signed-off-by: Hector Martin <marcan@...can.st>
---
.../broadcom/brcm80211/brcmfmac/feature.c | 48 +++++++++++++++++++
.../broadcom/brcm80211/brcmfmac/feature.h | 4 +-
.../broadcom/brcm80211/brcmfmac/fwil_types.h | 25 ++++++++++
3 files changed, 76 insertions(+), 1 deletion(-)
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/feature.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/feature.c
index d0fada88f0f0..def4c9648645 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.
*
@@ -296,6 +343,7 @@ 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 */
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/feature.h b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/feature.h
index 9d098a068d13..becbcc50d57a 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/feature.h
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/feature.h
@@ -53,7 +53,9 @@
BRCMF_FEAT_DEF(DOT11H) \
BRCMF_FEAT_DEF(SAE) \
BRCMF_FEAT_DEF(FWAUTH) \
- BRCMF_FEAT_DEF(SCAN_V2)
+ BRCMF_FEAT_DEF(SCAN_V2) \
+ BRCMF_FEAT_DEF(PMKID_V2) \
+ BRCMF_FEAT_DEF(PMKID_V3)
/*
* Quirks:
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwil_types.h b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwil_types.h
index 2ef3fcbb00b9..19d300dadc28 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwil_types.h
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwil_types.h
@@ -788,6 +788,31 @@ struct brcmf_rev_info_le {
__le32 nvramrev;
};
+/**
+ * struct brcmf_wlc_version_le - firmware revision info.
+ *
+ * @version: structure version.
+ * @length: structure length.
+ * @epi_ver_major: EPI major version
+ * @epi_ver_minor: EPI minor version
+ * @epi_ver_rc: EPI rc version
+ * @epi_ver_incr: EPI increment version
+ * @wlc_ver_major: WLC major version
+ * @wlc_ver_minor: WLC minor version
+ */
+struct brcmf_wlc_version_le {
+ __le16 version;
+ __le16 length;
+
+ __le16 epi_ver_major;
+ __le16 epi_ver_minor;
+ __le16 epi_ver_rc;
+ __le16 epi_ver_incr;
+
+ __le16 wlc_ver_major;
+ __le16 wlc_ver_minor;
+};
+
/**
* struct brcmf_assoclist_le - request assoc list.
*
--
2.33.0
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