From: Kurt Lee <kurt.lee@xxxxxxxxxxx>
Let driver parse DPP frames from upper layer and do conresponding
configuration to firmware.
This change supports DPP handshake based on wpa_supplicant v2.9.
Signed-off-by: Kurt Lee <kurt.lee@xxxxxxxxxxx>
Signed-off-by: Ian Lin <ian.lin@xxxxxxxxxxxx>
---
.../broadcom/brcm80211/brcmfmac/cfg80211.c | 85 ++++++++++++-------
.../broadcom/brcm80211/brcmfmac/p2p.c | 72 ++++++++++++----
.../broadcom/brcm80211/brcmfmac/p2p.h | 4 +-
.../broadcom/brcm80211/include/brcmu_wifi.h | 5 ++
4 files changed, 117 insertions(+), 49 deletions(-)
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
index 7c72ea26a7d7..4a8aceda8fe8 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
@@ -64,6 +64,9 @@
#define RSN_CAP_MFPC_MASK BIT(7)
#define RSN_PMKID_COUNT_LEN 2
+#define DPP_AKM_SUITE_TYPE 2
+#define WLAN_AKM_SUITE_DPP SUITE(WLAN_OUI_WFA, DPP_AKM_SUITE_TYPE)
+
#define VNDR_IE_CMD_LEN 4 /* length of the set command
* string :"add", "del" (+ NUL)
*/
@@ -1816,6 +1819,9 @@ 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_DPP:
+ val = WFA_AUTH_DPP;
+ break;
default:
bphy_err(drvr, "invalid akm suite (%d)\n",
sme->crypto.akm_suites[0]);
@@ -4144,6 +4150,12 @@ 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)
+{
+ return (memcmp(oui, WFA_OUI, TLV_OUI_LEN) == 0 &&
+ *(oui + TLV_OUI_LEN) == DPP_AKM_SUITE_TYPE);
+}
+
static s32
brcmf_configure_wpaie(struct brcmf_if *ifp,
const struct brcmf_vs_tlv *wpa_ie,
@@ -4257,42 +4269,47 @@ 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++;
}
@@ -4312,10 +4329,12 @@ 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;
}
+
/* Firmware has requirement that WPA2_AUTH_PSK/
* WPA2_AUTH_UNSPECIFIED be set, if SHA256 OUI
* is to be included in the rsn ie.
@@ -5225,7 +5244,7 @@ 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 479041f070f9..4636fc27e915 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.c
@@ -231,7 +231,35 @@ 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;
+
+ 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 == DPP_VER &&
+ memcmp(pact_frm->oui, WFA_OUI, TLV_OUI_LEN) == 0)
return true;
return false;
@@ -991,6 +1019,8 @@ 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 +1044,7 @@ 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 +1057,16 @@ 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;
}
@@ -1531,6 +1568,7 @@ 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 +1577,17 @@ 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 +1595,6 @@ 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 +1750,13 @@ 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 +1828,9 @@ 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 {
@@ -1857,7 +1898,7 @@ 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);
@@ -2508,6 +2549,7 @@ 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..3a9cad3730b8 100644
--- a/drivers/net/wireless/broadcom/brcm80211/include/brcmu_wifi.h
+++ b/drivers/net/wireless/broadcom/brcm80211/include/brcmu_wifi.h
@@ -233,6 +233,11 @@ 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 WFA_OUI "\x50\x6F\x9A" /* WFA OUI */
+#define DPP_VER 0x1A /* WFA DPP v1.0 */
+
#define DOT11_DEFAULT_RTS_LEN 2347
#define DOT11_DEFAULT_FRAG_LEN 2346
--
2.25.0
