From: Wright Feng <wright.feng@cypress.com>
To: linux-wireless@vger.kernel.org,
Arend van Spriel <arend.vanspriel@broadcom.com>,
Kalle Valo <kvalo@codeaurora.org>,
chi-hsien.lin@cypress.com,
Johannes Berg <johannes@sipsolutions.net>
Cc: wright.feng@cypress.com, brcm80211-dev-list@broadcom.com,
brcm80211-dev-list@cypress.com,
Franky Lin <franky.lin@broadcom.com>,
Hante Meuleman <hante.meuleman@broadcom.com>,
Kurt Lee <kurt.lee@cypress.com>
Subject: [PATCH v2 2/2] brcmfmac: Support DPP feature
Date: Mon, 12 Oct 2020 03:43:47 -0500 [thread overview]
Message-ID: <20201012084347.121557-3-wright.feng@cypress.com> (raw)
In-Reply-To: <20201012084347.121557-1-wright.feng@cypress.com>
From: Kurt Lee <kurt.lee@cypress.com>
Let driver parse DPP(Device Provisioning Protocol) frames from upper
layer and do corresponding configuration to firmware.
Signed-off-by: Kurt Lee <kurt.lee@cypress.com>
Signed-off-by: Wright Feng <wright.feng@cypress.com>
---
.../broadcom/brcm80211/brcmfmac/cfg80211.c | 150 ++++++++++--------
.../broadcom/brcm80211/brcmfmac/p2p.c | 81 ++++++++--
.../broadcom/brcm80211/brcmfmac/p2p.h | 4 +-
.../broadcom/brcm80211/include/brcmu_wifi.h | 2 +
4 files changed, 157 insertions(+), 80 deletions(-)
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
index a2dbbb977d0c..dbaa6f4a3029 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
@@ -1815,6 +1815,9 @@ brcmf_set_key_mgmt(struct net_device *ndev, struct cfg80211_connect_params *sme)
val = WPA2_AUTH_PSK | WPA2_AUTH_FT;
profile->is_ft = true;
break;
+ case WLAN_AKM_SUITE_WFA_DPP:
+ val = WFA_AUTH_DPP;
+ break;
default:
bphy_err(drvr, "invalid cipher group (%d)\n",
sme->crypto.cipher_group);
@@ -2113,43 +2116,50 @@ brcmf_cfg80211_connect(struct wiphy *wiphy, struct net_device *ndev,
goto done;
}
- if (sme->crypto.psk &&
- profile->use_fwsup != BRCMF_PROFILE_FWSUP_SAE) {
- if (WARN_ON(profile->use_fwsup != BRCMF_PROFILE_FWSUP_NONE)) {
- err = -EINVAL;
- goto done;
+ if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_FWSUP)) {
+ if (sme->crypto.psk) {
+ if (profile->use_fwsup != BRCMF_PROFILE_FWSUP_SAE) {
+ if (WARN_ON(profile->use_fwsup !=
+ BRCMF_PROFILE_FWSUP_NONE)) {
+ err = -EINVAL;
+ goto done;
+ }
+ brcmf_dbg(INFO, "using PSK offload\n");
+ profile->use_fwsup = BRCMF_PROFILE_FWSUP_PSK;
+ }
+ } else {
+ profile->use_fwsup = BRCMF_PROFILE_FWSUP_NONE;
}
- brcmf_dbg(INFO, "using PSK offload\n");
- profile->use_fwsup = BRCMF_PROFILE_FWSUP_PSK;
- }
- if (profile->use_fwsup != BRCMF_PROFILE_FWSUP_NONE) {
- /* enable firmware supplicant for this interface */
- err = brcmf_fil_iovar_int_set(ifp, "sup_wpa", 1);
- if (err < 0) {
- bphy_err(drvr, "failed to enable fw supplicant\n");
- goto done;
+ if (profile->use_fwsup != BRCMF_PROFILE_FWSUP_NONE) {
+ /* enable firmware supplicant for this interface */
+ err = brcmf_fil_iovar_int_set(ifp, "sup_wpa", 1);
+ if (err < 0) {
+ bphy_err(drvr, "failed to enable fw supplicant\n");
+ goto done;
+ }
+ } else {
+ err = brcmf_fil_iovar_int_set(ifp, "sup_wpa", 0);
}
- }
- if (profile->use_fwsup == BRCMF_PROFILE_FWSUP_PSK)
- err = brcmf_set_pmk(ifp, sme->crypto.psk,
- BRCMF_WSEC_MAX_PSK_LEN);
- else if (profile->use_fwsup == BRCMF_PROFILE_FWSUP_SAE) {
- /* clean up user-space RSNE */
- if (brcmf_fil_iovar_data_set(ifp, "wpaie", NULL, 0)) {
- bphy_err(drvr, "failed to clean up user-space RSNE\n");
- goto done;
- }
- err = brcmf_set_sae_password(ifp, sme->crypto.sae_pwd,
- sme->crypto.sae_pwd_len);
- if (!err && sme->crypto.psk)
+ if (profile->use_fwsup == BRCMF_PROFILE_FWSUP_PSK)
err = brcmf_set_pmk(ifp, sme->crypto.psk,
BRCMF_WSEC_MAX_PSK_LEN);
+ else if (profile->use_fwsup == BRCMF_PROFILE_FWSUP_SAE) {
+ /* clean up user-space RSNE */
+ if (brcmf_fil_iovar_data_set(ifp, "wpaie", NULL, 0)) {
+ bphy_err(drvr, "failed to clean up user-space RSNE\n");
+ goto done;
+ }
+ err = brcmf_set_sae_password(ifp, sme->crypto.sae_pwd,
+ sme->crypto.sae_pwd_len);
+ if (!err && sme->crypto.psk)
+ err = brcmf_set_pmk(ifp, sme->crypto.psk,
+ BRCMF_WSEC_MAX_PSK_LEN);
+ }
+ if (err)
+ goto done;
}
- if (err)
- goto done;
-
/* Join with specific BSSID and cached SSID
* If SSID is zero join based on BSSID only
*/
@@ -4101,6 +4111,13 @@ static bool brcmf_valid_wpa_oui(u8 *oui, bool is_rsn_ie)
return (memcmp(oui, WPA_OUI, TLV_OUI_LEN) == 0);
}
+static bool brcmf_valid_dpp_suite(u8 *oui)
+{
+ u32 akm_suite = (*(oui + 3)) | (*(oui + 2) << 8) | (*(oui + 1) << 16) | (*(oui) << 24);
+
+ return (akm_suite == WLAN_AKM_SUITE_WFA_DPP);
+}
+
static s32
brcmf_configure_wpaie(struct brcmf_if *ifp,
const struct brcmf_vs_tlv *wpa_ie,
@@ -4214,43 +4231,47 @@ brcmf_configure_wpaie(struct brcmf_if *ifp,
goto exit;
}
for (i = 0; i < count; i++) {
- if (!brcmf_valid_wpa_oui(&data[offset], is_rsn_ie)) {
+ if (brcmf_valid_dpp_suite(&data[offset])) {
+ wpa_auth |= WFA_AUTH_DPP;
+ offset += TLV_OUI_LEN;
+ } else if (brcmf_valid_wpa_oui(&data[offset], is_rsn_ie)) {
+ offset += TLV_OUI_LEN;
+ switch (data[offset]) {
+ case RSN_AKM_NONE:
+ brcmf_dbg(TRACE, "RSN_AKM_NONE\n");
+ wpa_auth |= WPA_AUTH_NONE;
+ break;
+ case RSN_AKM_UNSPECIFIED:
+ brcmf_dbg(TRACE, "RSN_AKM_UNSPECIFIED\n");
+ is_rsn_ie ?
+ (wpa_auth |= WPA2_AUTH_UNSPECIFIED) :
+ (wpa_auth |= WPA_AUTH_UNSPECIFIED);
+ break;
+ case RSN_AKM_PSK:
+ brcmf_dbg(TRACE, "RSN_AKM_PSK\n");
+ is_rsn_ie ? (wpa_auth |= WPA2_AUTH_PSK) :
+ (wpa_auth |= WPA_AUTH_PSK);
+ break;
+ case RSN_AKM_SHA256_PSK:
+ brcmf_dbg(TRACE, "RSN_AKM_MFP_PSK\n");
+ wpa_auth |= WPA2_AUTH_PSK_SHA256;
+ break;
+ case RSN_AKM_SHA256_1X:
+ brcmf_dbg(TRACE, "RSN_AKM_MFP_1X\n");
+ wpa_auth |= WPA2_AUTH_1X_SHA256;
+ break;
+ case RSN_AKM_SAE:
+ brcmf_dbg(TRACE, "RSN_AKM_SAE\n");
+ wpa_auth |= WPA3_AUTH_SAE_PSK;
+ break;
+ default:
+ bphy_err(drvr, "Invalid key mgmt info\n");
+ }
+ } else {
err = -EINVAL;
bphy_err(drvr, "ivalid OUI\n");
goto exit;
}
- offset += TLV_OUI_LEN;
- switch (data[offset]) {
- case RSN_AKM_NONE:
- brcmf_dbg(TRACE, "RSN_AKM_NONE\n");
- wpa_auth |= WPA_AUTH_NONE;
- break;
- case RSN_AKM_UNSPECIFIED:
- brcmf_dbg(TRACE, "RSN_AKM_UNSPECIFIED\n");
- is_rsn_ie ? (wpa_auth |= WPA2_AUTH_UNSPECIFIED) :
- (wpa_auth |= WPA_AUTH_UNSPECIFIED);
- break;
- case RSN_AKM_PSK:
- brcmf_dbg(TRACE, "RSN_AKM_PSK\n");
- is_rsn_ie ? (wpa_auth |= WPA2_AUTH_PSK) :
- (wpa_auth |= WPA_AUTH_PSK);
- break;
- case RSN_AKM_SHA256_PSK:
- brcmf_dbg(TRACE, "RSN_AKM_MFP_PSK\n");
- wpa_auth |= WPA2_AUTH_PSK_SHA256;
- break;
- case RSN_AKM_SHA256_1X:
- brcmf_dbg(TRACE, "RSN_AKM_MFP_1X\n");
- wpa_auth |= WPA2_AUTH_1X_SHA256;
- break;
- case RSN_AKM_SAE:
- brcmf_dbg(TRACE, "RSN_AKM_SAE\n");
- wpa_auth |= WPA3_AUTH_SAE_PSK;
- break;
- default:
- bphy_err(drvr, "Invalid key mgmt info\n");
- }
- offset++;
}
mfp = BRCMF_MFP_NONE;
@@ -4269,6 +4290,7 @@ brcmf_configure_wpaie(struct brcmf_if *ifp,
*/
if (!(wpa_auth & (WPA2_AUTH_PSK_SHA256 |
WPA2_AUTH_1X_SHA256 |
+ WFA_AUTH_DPP |
WPA3_AUTH_SAE_PSK))) {
err = -EINVAL;
goto exit;
@@ -5181,7 +5203,7 @@ brcmf_cfg80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
*cookie, le16_to_cpu(action_frame->len), freq);
ack = brcmf_p2p_send_action_frame(cfg, cfg_to_ndev(cfg),
- af_params);
+ af_params, vif);
cfg80211_mgmt_tx_status(wdev, *cookie, buf, len, ack,
GFP_KERNEL);
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.c
index ec6fc7a150a6..b879f4d6a5c3 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.c
@@ -220,6 +220,8 @@ struct brcmf_config_af_params {
static bool brcmf_p2p_is_pub_action(void *frame, u32 frame_len)
{
struct brcmf_p2p_pub_act_frame *pact_frm;
+ u8 wfa_oui[] = { (WLAN_OUI_WFA >> 16) & 0xff,
+ (WLAN_OUI_WFA >> 8) & 0xff, (WLAN_OUI_WFA) & 0xff };
if (frame == NULL)
return false;
@@ -231,7 +233,37 @@ static bool brcmf_p2p_is_pub_action(void *frame, u32 frame_len)
if (pact_frm->category == P2P_PUB_AF_CATEGORY &&
pact_frm->action == P2P_PUB_AF_ACTION &&
pact_frm->oui_type == P2P_VER &&
- memcmp(pact_frm->oui, P2P_OUI, P2P_OUI_LEN) == 0)
+ memcmp(pact_frm->oui, wfa_oui, P2P_OUI_LEN) == 0)
+ return true;
+
+ return false;
+}
+
+/**
+ * brcmf_p2p_is_dpp_pub_action() - true if dpp public type frame.
+ *
+ * @frame: action frame data.
+ * @frame_len: length of action frame data.
+ *
+ * Determine if action frame is dpp public action type
+ */
+static bool brcmf_p2p_is_dpp_pub_action(void *frame, u32 frame_len)
+{
+ struct brcmf_p2p_pub_act_frame *pact_frm;
+ u8 wfa_oui[] = { (WLAN_OUI_WFA >> 16) & 0xff,
+ (WLAN_OUI_WFA >> 8) & 0xff, (WLAN_OUI_WFA) & 0xff };
+
+ if (!frame)
+ return false;
+
+ pact_frm = (struct brcmf_p2p_pub_act_frame *)frame;
+ if (frame_len < sizeof(struct brcmf_p2p_pub_act_frame) - 1)
+ return false;
+
+ if (pact_frm->category == WLAN_CATEGORY_PUBLIC &&
+ pact_frm->action == WLAN_PUB_ACTION_VENDOR_SPECIFIC &&
+ pact_frm->oui_type == WLAN_OUI_TYPE_WFA_DPP &&
+ memcmp(pact_frm->oui, wfa_oui, TLV_OUI_LEN) == 0)
return true;
return false;
@@ -991,6 +1023,8 @@ int brcmf_p2p_remain_on_channel(struct wiphy *wiphy, struct wireless_dev *wdev,
if (err)
goto exit;
+ p2p->remin_on_channel_wdev = wdev;
+
memcpy(&p2p->remain_on_channel, channel, sizeof(*channel));
*cookie = p2p->remain_on_channel_cookie;
cfg80211_ready_on_channel(wdev, *cookie, channel, duration, GFP_KERNEL);
@@ -1014,6 +1048,7 @@ int brcmf_p2p_notify_listen_complete(struct brcmf_if *ifp,
{
struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
struct brcmf_p2p_info *p2p = &cfg->p2p;
+ struct wireless_dev *wdev = p2p->remin_on_channel_wdev;
brcmf_dbg(TRACE, "Enter\n");
if (test_and_clear_bit(BRCMF_P2P_STATUS_DISCOVER_LISTEN,
@@ -1026,10 +1061,16 @@ int brcmf_p2p_notify_listen_complete(struct brcmf_if *ifp,
complete(&p2p->wait_next_af);
}
- cfg80211_remain_on_channel_expired(&ifp->vif->wdev,
+ wdev = p2p->remin_on_channel_wdev ?
+ p2p->remin_on_channel_wdev :
+ &ifp->vif->wdev;
+
+ cfg80211_remain_on_channel_expired(wdev,
p2p->remain_on_channel_cookie,
&p2p->remain_on_channel,
GFP_KERNEL);
+ p2p->remin_on_channel_wdev = NULL;
+
}
return 0;
}
@@ -1281,6 +1322,10 @@ static s32 brcmf_p2p_abort_action_frame(struct brcmf_cfg80211_info *cfg)
brcmf_dbg(TRACE, "Enter\n");
vif = p2p->bss_idx[P2PAPI_BSSCFG_DEVICE].vif;
+
+ if (!vif)
+ vif = p2p->bss_idx[P2PAPI_BSSCFG_PRIMARY].vif;
+
err = brcmf_fil_bsscfg_data_set(vif->ifp, "actframe_abort", &int_val,
sizeof(s32));
if (err)
@@ -1531,6 +1576,7 @@ int brcmf_p2p_notify_action_tx_complete(struct brcmf_if *ifp,
*
* @p2p: p2p info struct for vif.
* @af_params: action frame data/info.
+ * @vif: vif to send
*
* Send an action frame immediately without doing channel synchronization.
*
@@ -1539,12 +1585,17 @@ int brcmf_p2p_notify_action_tx_complete(struct brcmf_if *ifp,
* frame is transmitted.
*/
static s32 brcmf_p2p_tx_action_frame(struct brcmf_p2p_info *p2p,
- struct brcmf_fil_af_params_le *af_params)
+ struct brcmf_fil_af_params_le *af_params,
+ struct brcmf_cfg80211_vif *vif
+ )
{
struct brcmf_pub *drvr = p2p->cfg->pub;
- struct brcmf_cfg80211_vif *vif;
- struct brcmf_p2p_action_frame *p2p_af;
s32 err = 0;
+ struct brcmf_fil_action_frame_le *action_frame;
+ u16 action_frame_len;
+
+ action_frame = &af_params->action_frame;
+ action_frame_len = le16_to_cpu(action_frame->len);
brcmf_dbg(TRACE, "Enter\n");
@@ -1552,13 +1603,6 @@ static s32 brcmf_p2p_tx_action_frame(struct brcmf_p2p_info *p2p,
clear_bit(BRCMF_P2P_STATUS_ACTION_TX_COMPLETED, &p2p->status);
clear_bit(BRCMF_P2P_STATUS_ACTION_TX_NOACK, &p2p->status);
- /* check if it is a p2p_presence response */
- p2p_af = (struct brcmf_p2p_action_frame *)af_params->action_frame.data;
- if (p2p_af->subtype == P2P_AF_PRESENCE_RSP)
- vif = p2p->bss_idx[P2PAPI_BSSCFG_CONNECTION].vif;
- else
- vif = p2p->bss_idx[P2PAPI_BSSCFG_DEVICE].vif;
-
err = brcmf_fil_bsscfg_data_set(vif->ifp, "actframe", af_params,
sizeof(*af_params));
if (err) {
@@ -1714,10 +1758,13 @@ static bool brcmf_p2p_check_dwell_overflow(u32 requested_dwell,
* @cfg: driver private data for cfg80211 interface.
* @ndev: net device to transmit on.
* @af_params: configuration data for action frame.
+ * @vif: virtual interface to send
*/
bool brcmf_p2p_send_action_frame(struct brcmf_cfg80211_info *cfg,
struct net_device *ndev,
- struct brcmf_fil_af_params_le *af_params)
+ struct brcmf_fil_af_params_le *af_params,
+ struct brcmf_cfg80211_vif *vif
+ )
{
struct brcmf_p2p_info *p2p = &cfg->p2p;
struct brcmf_if *ifp = netdev_priv(ndev);
@@ -1789,7 +1836,9 @@ bool brcmf_p2p_send_action_frame(struct brcmf_cfg80211_info *cfg,
goto exit;
}
} else if (brcmf_p2p_is_p2p_action(action_frame->data,
- action_frame_len)) {
+ action_frame_len) ||
+ brcmf_p2p_is_dpp_pub_action(action_frame->data,
+ action_frame_len)) {
/* do not configure anything. it will be */
/* sent with a default configuration */
} else {
@@ -1826,6 +1875,7 @@ bool brcmf_p2p_send_action_frame(struct brcmf_cfg80211_info *cfg,
/* validate channel and p2p ies */
if (config_af_params.search_channel &&
IS_P2P_SOCIAL_CHANNEL(le32_to_cpu(af_params->channel)) &&
+ p2p->bss_idx[P2PAPI_BSSCFG_DEVICE].vif &&
p2p->bss_idx[P2PAPI_BSSCFG_DEVICE].vif->saved_ie.probe_req_ie_len) {
afx_hdl = &p2p->afx_hdl;
afx_hdl->peer_listen_chan = le32_to_cpu(af_params->channel);
@@ -1857,7 +1907,7 @@ bool brcmf_p2p_send_action_frame(struct brcmf_cfg80211_info *cfg,
if (af_params->channel)
msleep(P2P_AF_RETRY_DELAY_TIME);
- ack = !brcmf_p2p_tx_action_frame(p2p, af_params);
+ ack = !brcmf_p2p_tx_action_frame(p2p, af_params, vif);
tx_retry++;
dwell_overflow = brcmf_p2p_check_dwell_overflow(requested_dwell,
dwell_jiffies);
@@ -2504,6 +2554,7 @@ s32 brcmf_p2p_attach(struct brcmf_cfg80211_info *cfg, bool p2pdev_forced)
pri_ifp = brcmf_get_ifp(cfg->pub, 0);
p2p->bss_idx[P2PAPI_BSSCFG_PRIMARY].vif = pri_ifp->vif;
+ init_completion(&p2p->send_af_done);
if (p2pdev_forced) {
err_ptr = brcmf_p2p_create_p2pdev(p2p, NULL, NULL);
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.h b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.h
index d2ecee565bf2..bbc455238707 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.h
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.h
@@ -138,6 +138,7 @@ struct brcmf_p2p_info {
bool block_gon_req_tx;
bool p2pdev_dynamically;
bool wait_for_offchan_complete;
+ struct wireless_dev *remin_on_channel_wdev;
};
s32 brcmf_p2p_attach(struct brcmf_cfg80211_info *cfg, bool p2pdev_forced);
@@ -170,7 +171,8 @@ int brcmf_p2p_notify_action_tx_complete(struct brcmf_if *ifp,
void *data);
bool brcmf_p2p_send_action_frame(struct brcmf_cfg80211_info *cfg,
struct net_device *ndev,
- struct brcmf_fil_af_params_le *af_params);
+ struct brcmf_fil_af_params_le *af_params,
+ struct brcmf_cfg80211_vif *vif);
bool brcmf_p2p_scan_finding_common_channel(struct brcmf_cfg80211_info *cfg,
struct brcmf_bss_info_le *bi);
s32 brcmf_p2p_notify_rx_mgmt_p2p_probereq(struct brcmf_if *ifp,
diff --git a/drivers/net/wireless/broadcom/brcm80211/include/brcmu_wifi.h b/drivers/net/wireless/broadcom/brcm80211/include/brcmu_wifi.h
index 7552bdb91991..c465208c4331 100644
--- a/drivers/net/wireless/broadcom/brcm80211/include/brcmu_wifi.h
+++ b/drivers/net/wireless/broadcom/brcm80211/include/brcmu_wifi.h
@@ -233,6 +233,8 @@ static inline bool ac_bitmap_tst(u8 bitmap, int prec)
#define WPA3_AUTH_SAE_PSK 0x40000 /* SAE with 4-way handshake */
+#define WFA_AUTH_DPP 0x200000 /* WFA DPP AUTH */
+
#define DOT11_DEFAULT_RTS_LEN 2347
#define DOT11_DEFAULT_FRAG_LEN 2346
--
2.25.0
next prev parent reply other threads:[~2020-10-12 8:45 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-10-12 8:43 [PATCH v2 0/2] brcmfmac: add DPP feature support Wright Feng
2020-10-12 8:43 ` [PATCH v2 1/2] ieee80211: Add definition for WFA DPP Wright Feng
2020-10-12 8:43 ` Wright Feng [this message]
2020-12-09 7:21 ` [PATCH v2 2/2] brcmfmac: Support DPP feature Kalle Valo
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