__le32 rx_decrypt_failures; /* # of packet decrypted failed */
};
+/*
+ * WLC_E_PROBRESP_MSG
+ * WLC_E_P2P_PROBREQ_MSG
+ * WLC_E_ACTION_FRAME_RX
+ */
+struct brcmf_rx_mgmt_data {
+ __be16 version;
+ __be16 chanspec;
+ __be32 rssi;
+ __be32 mactime;
+ __be32 rate;
+};
+
/* Bus independent dongle command */
struct brcmf_dcmd {
uint cmd; /* common dongle cmd definition */
BRCMF_ENUM_DEF(MULTICAST_DECODE_ERROR, 51) \
BRCMF_ENUM_DEF(TRACE, 52) \
BRCMF_ENUM_DEF(IF, 54) \
+ BRCMF_ENUM_DEF(P2P_DISC_LISTEN_COMPLETE, 55) \
BRCMF_ENUM_DEF(RSSI, 56) \
BRCMF_ENUM_DEF(PFN_SCAN_COMPLETE, 57) \
BRCMF_ENUM_DEF(EXTLOG_MSG, 58) \
BRCMF_ENUM_DEF(DFS_AP_RESUME, 66) \
BRCMF_ENUM_DEF(ESCAN_RESULT, 69) \
BRCMF_ENUM_DEF(ACTION_FRAME_OFF_CHAN_COMPLETE, 70) \
+ BRCMF_ENUM_DEF(PROBERESP_MSG, 71) \
+ BRCMF_ENUM_DEF(P2P_PROBEREQ_MSG, 72) \
BRCMF_ENUM_DEF(DCS_REQUEST, 73) \
- BRCMF_ENUM_DEF(FIFO_CREDIT_MAP, 74)
+ BRCMF_ENUM_DEF(FIFO_CREDIT_MAP, 74) \
+ BRCMF_ENUM_DEF(ACTION_FRAME_RX, 75)
#define BRCMF_ENUM_DEF(id, val) \
BRCMF_E_##id = (val),
brcmf_dbg(TRACE, "enter\n");
bss_dev = &p2p->bss_idx[P2PAPI_BSSCFG_DEVICE];
- if (bss_dev->vif == NULL) {
- brcmf_err("do nothing, not initialized\n");
- return -EINVAL;
- }
-
ifp = bss_dev->vif->ifp;
/* Set the discovery state to SCAN */
*
* Initializes the discovery device and configure the virtual interface.
*/
-static int brcmf_p2p_enable_discovery(struct brcmf_p2p_info *p2p,
- const u8 *ie, u32 ie_len)
+static int brcmf_p2p_enable_discovery(struct brcmf_p2p_info *p2p)
{
struct brcmf_cfg80211_vif *vif;
s32 ret = 0;
brcmf_dbg(TRACE, "enter\n");
vif = p2p->bss_idx[P2PAPI_BSSCFG_DEVICE].vif;
if (vif) {
- brcmf_dbg(INFO,
- "DISCOVERY init already done, just process IE\n");
- goto set_ie;
+ brcmf_dbg(INFO, "DISCOVERY init already done\n");
+ goto exit;
}
ret = brcmf_p2p_init_discovery(p2p);
if (ret < 0)
brcmf_err("wsec error %d\n", ret);
-set_ie:
- if (ie_len) {
- ret = brcmf_vif_set_mgmt_ie(vif, BRCMF_VNDR_IE_PRBREQ_FLAG,
- ie, ie_len);
-
- if (ret < 0) {
- brcmf_err("set probreq ie occurs error %d\n", ret);
- goto exit;
- }
- }
exit:
return ret;
}
+/**
+ * brcmf_p2p_configure_probereq() - Configure probe request data.
+ *
+ * @p2p: P2P specific data.
+ * @ie: buffer containing information elements.
+ * @ie_len: length of @ie buffer.
+ *
+ */
+static int brcmf_p2p_configure_probereq(struct brcmf_p2p_info *p2p,
+ const u8 *ie, u32 ie_len)
+{
+ struct brcmf_cfg80211_vif *vif;
+ s32 err = 0;
+
+ brcmf_dbg(TRACE, "enter\n");
+ vif = p2p->bss_idx[P2PAPI_BSSCFG_DEVICE].vif;
+
+ err = brcmf_vif_set_mgmt_ie(vif, BRCMF_VNDR_IE_PRBREQ_FLAG,
+ ie, ie_len);
+
+ if (err < 0)
+ brcmf_err("set probreq ie occurs error %d\n", err);
+
+ return err;
+}
+
/*
* brcmf_p2p_escan() - initiate a P2P scan.
*
struct brcmf_scan_params_le *sparams;
struct brcmf_ssid ssid;
- /* add padding if uneven */
- if (num_chans % 2)
- memsize += sizeof(__le16);
memsize += num_chans * sizeof(__le16);
memblk = kzalloc(memsize, GFP_KERNEL);
if (!memblk)
clear_bit(BRCMF_P2P_STATUS_GO_NEG_PHASE, &p2p->status);
brcmf_dbg(INFO, "P2P: GO_NEG_PHASE status cleared\n");
- err = brcmf_p2p_enable_discovery(p2p, request->ie,
- request->ie_len);
+ err = brcmf_p2p_enable_discovery(p2p);
+ if (err == 0)
+ err = brcmf_p2p_configure_probereq(p2p, request->ie,
+ request->ie_len);
/*
* override .run_escan() callback.
return err;
}
+
+/**
+ * brcmf_p2p_remain_on_channel() - put device on channel and stay there.
+ *
+ * @wiphy: wiphy device.
+ * @channel: channel to stay on.
+ * @duration: time in ms to remain on channel.
+ *
+ */
+int brcmf_p2p_remain_on_channel(struct wiphy *wiphy, struct wireless_dev *wdev,
+ struct ieee80211_channel *channel,
+ unsigned int duration, u64 *cookie)
+{
+ struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
+ struct brcmf_p2p_info *p2p = &cfg->p2p;
+ struct brcmf_cfg80211_vif *vif;
+ s32 err;
+ u16 chanspec;
+
+ brcmf_dbg(TRACE, "Enter, channel: %d, duration ms (%d)\n",
+ ieee80211_frequency_to_channel(channel->center_freq),
+ duration);
+
+ *cookie = 0;
+ err = brcmf_p2p_enable_discovery(p2p);
+ if (err)
+ goto exit;
+
+ chanspec = channel_to_chanspec(channel);
+ vif = p2p->bss_idx[P2PAPI_BSSCFG_DEVICE].vif;
+ err = brcmf_p2p_set_discover_state(vif->ifp, WL_P2P_DISC_ST_LISTEN,
+ chanspec, (u16)duration);
+ if (err)
+ goto exit;
+
+ memcpy(&p2p->remain_on_channel, channel,
+ sizeof(p2p->remain_on_channel));
+
+ set_bit(BRCMF_P2P_STATUS_REMAIN_ON_CHANNEL, &p2p->status);
+
+exit:
+ cfg80211_ready_on_channel(wdev, *cookie, channel, duration, GFP_KERNEL);
+ return err;
+}
+
+
+/**
+ * brcmf_p2p_notify_listen_complete() - p2p listen has completed.
+ *
+ * @ifp: interfac control.
+ * @e: event message. Not used, to make it usable for fweh event dispatcher.
+ * @data: payload of message. Not used.
+ *
+ */
+int brcmf_p2p_notify_listen_complete(struct brcmf_if *ifp,
+ const struct brcmf_event_msg *e,
+ void *data)
+{
+ struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
+ struct brcmf_p2p_info *p2p = &cfg->p2p;
+
+ brcmf_dbg(TRACE, "Enter\n");
+ if (test_and_clear_bit(BRCMF_P2P_STATUS_REMAIN_ON_CHANNEL,
+ &p2p->status))
+ cfg80211_remain_on_channel_expired(&ifp->vif->wdev, 0,
+ &p2p->remain_on_channel,
+ GFP_KERNEL);
+ return 0;
+}
+
+
+/**
+ * brcmf_p2p_cancel_remain_on_channel() - cancel p2p listen state.
+ *
+ * @ifp: interfac control.
+ *
+ */
+void brcmf_p2p_cancel_remain_on_channel(struct brcmf_if *ifp)
+{
+ if (!ifp)
+ return;
+ brcmf_p2p_set_discover_state(ifp, WL_P2P_DISC_ST_SCAN, 0, 0);
+ brcmf_p2p_notify_listen_complete(ifp, NULL, NULL);
+}
+
+
/**
* brcmf_p2p_attach() - attach for P2P.
*
*/
void brcmf_p2p_detach(struct brcmf_p2p_info *p2p)
{
- brcmf_p2p_deinit_discovery(p2p);
+ if (p2p->bss_idx[P2PAPI_BSSCFG_DEVICE].vif != NULL) {
+ brcmf_p2p_cancel_remain_on_channel(
+ p2p->bss_idx[P2PAPI_BSSCFG_DEVICE].vif->ifp);
+ brcmf_p2p_deinit_discovery(p2p);
+ }
/* just set it all to zero */
memset(p2p, 0, sizeof(*p2p));
}
* @BRCMF_P2P_STATUS_IF_DELETING: peer-to-peer vif delete sent to dongle.
* @BRCMF_P2P_STATUS_IF_CHANGING: peer-to-peer vif change sent to dongle.
* @BRCMF_P2P_STATUS_IF_CHANGED: peer-to-peer vif change completed on dongle.
- * @BRCMF_P2P_STATUS_LISTEN_EXPIRED: listen duration expired.
* @BRCMF_P2P_STATUS_ACTION_TX_COMPLETED: action frame tx completed.
* @BRCMF_P2P_STATUS_ACTION_TX_NOACK: action frame tx not acked.
* @BRCMF_P2P_STATUS_GO_NEG_PHASE: P2P GO negotiation ongoing.
+ * @BRCMF_P2P_STATUS_REMAIN_ON_CHANNEL: P2P listen, remaining on channel.
*/
enum brcmf_p2p_status {
BRCMF_P2P_STATUS_IF_ADD = 0,
BRCMF_P2P_STATUS_IF_DELETING,
BRCMF_P2P_STATUS_IF_CHANGING,
BRCMF_P2P_STATUS_IF_CHANGED,
- BRCMF_P2P_STATUS_LISTEN_EXPIRED,
BRCMF_P2P_STATUS_ACTION_TX_COMPLETED,
BRCMF_P2P_STATUS_ACTION_TX_NOACK,
- BRCMF_P2P_STATUS_GO_NEG_PHASE
+ BRCMF_P2P_STATUS_GO_NEG_PHASE,
+ BRCMF_P2P_STATUS_REMAIN_ON_CHANNEL
};
/**
* @listen_timer: timer for @WL_P2P_DISC_ST_LISTEN discover state.
* @ssid: ssid for P2P GO.
* @listen_channel: channel for @WL_P2P_DISC_ST_LISTEN discover state.
+ * @remain_on_channel: contains copy of struct used by cfg80211.
*/
struct brcmf_p2p_info {
struct brcmf_cfg80211_info *cfg;
struct timer_list listen_timer;
struct brcmf_ssid ssid;
u8 listen_channel;
+ struct ieee80211_channel remain_on_channel;
};
void brcmf_p2p_attach(struct brcmf_cfg80211_info *cfg);
void brcmf_p2p_stop_device(struct wiphy *wiphy, struct wireless_dev *wdev);
int brcmf_p2p_scan_prep(struct wiphy *wiphy,
struct cfg80211_scan_request *request);
+int brcmf_p2p_remain_on_channel(struct wiphy *wiphy, struct wireless_dev *wdev,
+ struct ieee80211_channel *channel,
+ unsigned int duration, u64 *cookie);
+int brcmf_p2p_notify_listen_complete(struct brcmf_if *ifp,
+ const struct brcmf_event_msg *e,
+ void *data);
+void brcmf_p2p_cancel_remain_on_channel(struct brcmf_if *ifp);
#endif /* WL_CFGP2P_H_ */
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");
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,
.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
}
};
+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;
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) {
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)
* @sme_state: SME state using enum brcmf_vif_status bits.
* @pm_block: power-management blocked.
* @list: linked list.
+ * @mgmt_rx_reg: registered rx mgmt frame types.
*/
struct brcmf_cfg80211_vif {
struct brcmf_if *ifp;
bool pm_block;
struct vif_saved_ie saved_ie;
struct list_head list;
+ u16 mgmt_rx_reg;
};
/* association inform */
projects / ~andy / linux / commitdiff