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path: root/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c
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Diffstat (limited to 'drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c')
-rw-r--r--drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c189
1 files changed, 185 insertions, 4 deletions
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c b/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c
index 6b4e877123d6..6ab6397219a5 100644
--- a/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c
+++ b/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c
@@ -3359,6 +3359,11 @@ s32 brcmf_vif_set_mgmt_ie(struct brcmf_cfg80211_vif *vif, s32 pktflag,
mgmt_ie_len = &saved_ie->probe_req_ie_len;
mgmt_ie_buf_len = sizeof(saved_ie->probe_req_ie);
break;
+ case BRCMF_VNDR_IE_PRBRSP_FLAG:
+ mgmt_ie_buf = saved_ie->probe_res_ie;
+ mgmt_ie_len = &saved_ie->probe_res_ie_len;
+ mgmt_ie_buf_len = sizeof(saved_ie->probe_res_ie);
+ break;
default:
err = -EPERM;
brcmf_err("not suitable type\n");
@@ -3674,6 +3679,150 @@ brcmf_cfg80211_del_station(struct wiphy *wiphy, struct net_device *ndev,
return err;
}
+
+static void
+brcmf_cfg80211_mgmt_frame_register(struct wiphy *wiphy,
+ struct wireless_dev *wdev,
+ u16 frame_type, bool reg)
+{
+ struct brcmf_if *ifp = netdev_priv(wdev->netdev);
+ struct brcmf_cfg80211_vif *vif = ifp->vif;
+ u16 mgmt_type;
+
+ brcmf_dbg(TRACE, "Enter, frame_type %04x, reg=%d\n", frame_type, reg);
+
+ mgmt_type = (frame_type & IEEE80211_FCTL_STYPE) >> 4;
+ if (reg)
+ vif->mgmt_rx_reg |= BIT(mgmt_type);
+ else
+ vif->mgmt_rx_reg |= ~BIT(mgmt_type);
+}
+
+
+static int
+brcmf_cfg80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
+ struct ieee80211_channel *chan, bool offchan,
+ unsigned int wait, const u8 *buf, size_t len,
+ bool no_cck, bool dont_wait_for_ack, u64 *cookie)
+{
+ struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
+ const struct ieee80211_mgmt *mgmt;
+ struct brcmf_cfg80211_vif *vif;
+ s32 err = 0;
+ s32 ie_offset;
+ s32 ie_len;
+
+ brcmf_dbg(TRACE, "Enter\n");
+
+ *cookie = 0;
+
+ mgmt = (const struct ieee80211_mgmt *)buf;
+
+ if (ieee80211_is_mgmt(mgmt->frame_control)) {
+ if (ieee80211_is_probe_resp(mgmt->frame_control)) {
+ /* Right now the only reason to get a probe response */
+ /* is for p2p listen response from wpa_supplicant. */
+ /* Unfortunately the wpa_supplicant sends it on the */
+ /* primary ndev, while dongle wants it on the p2p */
+ /* vif. Since this is only reason for a probe */
+ /* response to be sent, the vif is taken from cfg. */
+ /* If ever desired to send proberesp for non p2p */
+ /* response then data should be checked for */
+ /* "DIRECT-". Note in future supplicant will take */
+ /* dedicated p2p wdev to do this and then this 'hack'*/
+ /* is not needed anymore. */
+ ie_offset = DOT11_MGMT_HDR_LEN +
+ DOT11_BCN_PRB_FIXED_LEN;
+ ie_len = len - ie_offset;
+
+ vif = cfg->p2p.bss_idx[P2PAPI_BSSCFG_DEVICE].vif;
+ if (vif == NULL) {
+ brcmf_err("No p2p device available for probe response\n");
+ err = -ENODEV;
+ goto exit;
+ }
+ err = brcmf_vif_set_mgmt_ie(vif,
+ BRCMF_VNDR_IE_PRBRSP_FLAG,
+ &buf[ie_offset],
+ ie_len);
+ cfg80211_mgmt_tx_status(wdev, *cookie, buf, len, true,
+ GFP_KERNEL);
+ goto exit;
+ }
+ }
+ brcmf_dbg(TRACE, "Unhandled, is_mgmt %d, fc=%04x!!!!!\n",
+ ieee80211_is_mgmt(mgmt->frame_control), mgmt->frame_control);
+exit:
+ return err;
+}
+
+
+static int
+brcmf_cfg80211_cancel_remain_on_channel(struct wiphy *wiphy,
+ struct wireless_dev *wdev,
+ u64 cookie)
+{
+ struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
+ struct brcmf_cfg80211_vif *vif;
+ int err = 0;
+
+ brcmf_dbg(TRACE, "Enter p2p listen cancel\n");
+
+ vif = cfg->p2p.bss_idx[P2PAPI_BSSCFG_DEVICE].vif;
+ if (vif == NULL) {
+ brcmf_err("No p2p device available for probe response\n");
+ err = -ENODEV;
+ goto exit;
+ }
+ brcmf_p2p_cancel_remain_on_channel(vif->ifp);
+exit:
+ return err;
+}
+
+static s32 brcmf_notify_rx_mgmt_p2p_probereq(struct brcmf_if *ifp,
+ const struct brcmf_event_msg *e,
+ void *data)
+{
+ struct wireless_dev *wdev;
+ struct brcmf_cfg80211_vif *vif = ifp->vif;
+ struct brcmf_rx_mgmt_data *rxframe = (struct brcmf_rx_mgmt_data *)data;
+ u16 chanspec = be16_to_cpu(rxframe->chanspec);
+ u8 *mgmt_frame;
+ u32 mgmt_frame_len;
+ s32 freq;
+ u16 mgmt_type;
+
+ brcmf_dbg(INFO,
+ "Enter: event %d reason %d\n", e->event_code, e->reason);
+
+ /* Firmware sends us two proberesponses for each idx one. At the */
+ /* moment only bsscfgidx 0 is passed up to supplicant */
+ if (e->bsscfgidx)
+ return 0;
+
+ /* Check if wpa_supplicant has registered for this frame */
+ brcmf_dbg(INFO, "vif->mgmt_rx_reg %04x\n", vif->mgmt_rx_reg);
+ mgmt_type = (IEEE80211_STYPE_PROBE_REQ & IEEE80211_FCTL_STYPE) >> 4;
+ if ((vif->mgmt_rx_reg & BIT(mgmt_type)) == 0)
+ return 0;
+
+ mgmt_frame = (u8 *)(rxframe + 1);
+ mgmt_frame_len = e->datalen - sizeof(*rxframe);
+ freq = ieee80211_channel_to_frequency(CHSPEC_CHANNEL(chanspec),
+ CHSPEC_IS2G(chanspec) ?
+ IEEE80211_BAND_2GHZ :
+ IEEE80211_BAND_5GHZ);
+ wdev = ifp->ndev->ieee80211_ptr;
+ cfg80211_rx_mgmt(wdev, freq, 0, mgmt_frame, mgmt_frame_len, GFP_ATOMIC);
+
+ brcmf_dbg(INFO,
+ "mgmt_frame_len (%d) , e->datalen (%d), chanspec (%04x), freq (%d)\n",
+ mgmt_frame_len, e->datalen, chanspec, freq);
+
+ return 0;
+}
+
+
static struct cfg80211_ops wl_cfg80211_ops = {
.add_virtual_intf = brcmf_cfg80211_add_iface,
.del_virtual_intf = brcmf_cfg80211_del_iface,
@@ -3703,6 +3852,10 @@ static struct cfg80211_ops wl_cfg80211_ops = {
.del_station = brcmf_cfg80211_del_station,
.sched_scan_start = brcmf_cfg80211_sched_scan_start,
.sched_scan_stop = brcmf_cfg80211_sched_scan_stop,
+ .mgmt_frame_register = brcmf_cfg80211_mgmt_frame_register,
+ .mgmt_tx = brcmf_cfg80211_mgmt_tx,
+ .remain_on_channel = brcmf_p2p_remain_on_channel,
+ .cancel_remain_on_channel = brcmf_cfg80211_cancel_remain_on_channel,
#ifdef CONFIG_NL80211_TESTMODE
.testmode_cmd = brcmf_cfg80211_testmode
#endif
@@ -3765,6 +3918,30 @@ static const struct ieee80211_iface_combination brcmf_iface_combos[] = {
}
};
+static const struct ieee80211_txrx_stypes
+brcmf_txrx_stypes[NUM_NL80211_IFTYPES] = {
+ [NL80211_IFTYPE_STATION] = {
+ .tx = 0xffff,
+ .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
+ BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
+ },
+ [NL80211_IFTYPE_P2P_CLIENT] = {
+ .tx = 0xffff,
+ .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
+ BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
+ },
+ [NL80211_IFTYPE_P2P_GO] = {
+ .tx = 0xffff,
+ .rx = BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) |
+ BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) |
+ BIT(IEEE80211_STYPE_PROBE_REQ >> 4) |
+ BIT(IEEE80211_STYPE_DISASSOC >> 4) |
+ BIT(IEEE80211_STYPE_AUTH >> 4) |
+ BIT(IEEE80211_STYPE_DEAUTH >> 4) |
+ BIT(IEEE80211_STYPE_ACTION >> 4)
+ }
+};
+
static struct wiphy *brcmf_setup_wiphy(struct device *phydev)
{
struct wiphy *wiphy;
@@ -3797,10 +3974,10 @@ static struct wiphy *brcmf_setup_wiphy(struct device *phydev)
wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM;
wiphy->cipher_suites = __wl_cipher_suites;
wiphy->n_cipher_suites = ARRAY_SIZE(__wl_cipher_suites);
- wiphy->flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT; /* enable power
- * save mode
- * by default
- */
+ wiphy->flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT |
+ WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL;
+ wiphy->mgmt_stypes = brcmf_txrx_stypes;
+ wiphy->max_remain_on_channel_duration = 5000;
brcmf_wiphy_pno_params(wiphy);
err = wiphy_register(wiphy);
if (err < 0) {
@@ -4271,6 +4448,10 @@ static void brcmf_register_event_handlers(struct brcmf_cfg80211_info *cfg)
brcmf_notify_sched_scan_results);
brcmf_fweh_register(cfg->pub, BRCMF_E_IF,
brcmf_notify_vif_event);
+ brcmf_fweh_register(cfg->pub, BRCMF_E_P2P_PROBEREQ_MSG,
+ brcmf_notify_rx_mgmt_p2p_probereq);
+ brcmf_fweh_register(cfg->pub, BRCMF_E_P2P_DISC_LISTEN_COMPLETE,
+ brcmf_p2p_notify_listen_complete);
}
static void brcmf_deinit_priv_mem(struct brcmf_cfg80211_info *cfg)