diff options
Diffstat (limited to 'drivers/net/wireless/rsi/rsi_91x_mgmt.c')
| -rw-r--r-- | drivers/net/wireless/rsi/rsi_91x_mgmt.c | 174 |
1 files changed, 170 insertions, 4 deletions
diff --git a/drivers/net/wireless/rsi/rsi_91x_mgmt.c b/drivers/net/wireless/rsi/rsi_91x_mgmt.c index 1095df7d9573..844f2fac298f 100644 --- a/drivers/net/wireless/rsi/rsi_91x_mgmt.c +++ b/drivers/net/wireless/rsi/rsi_91x_mgmt.c @@ -15,6 +15,7 @@ */ #include <linux/etherdevice.h> +#include <linux/timer.h> #include "rsi_mgmt.h" #include "rsi_common.h" #include "rsi_ps.h" @@ -236,6 +237,18 @@ static void rsi_set_default_parameters(struct rsi_common *common) common->dtim_cnt = RSI_DTIM_COUNT; } +void init_bgscan_params(struct rsi_common *common) +{ + memset((u8 *)&common->bgscan, 0, sizeof(struct rsi_bgscan_params)); + common->bgscan.bgscan_threshold = RSI_DEF_BGSCAN_THRLD; + common->bgscan.roam_threshold = RSI_DEF_ROAM_THRLD; + common->bgscan.bgscan_periodicity = RSI_BGSCAN_PERIODICITY; + common->bgscan.num_bgscan_channels = 0; + common->bgscan.two_probe = 1; + common->bgscan.active_scan_duration = RSI_ACTIVE_SCAN_TIME; + common->bgscan.passive_scan_duration = RSI_PASSIVE_SCAN_TIME; +} + /** * rsi_set_contention_vals() - This function sets the contention values for the * backoff procedure. @@ -396,8 +409,8 @@ static int rsi_load_radio_caps(struct rsi_common *common) * rsi_mgmt_pkt_to_core() - This function is the entry point for Mgmt module. * @common: Pointer to the driver private structure. * @msg: Pointer to received packet. - * @msg_len: Length of the recieved packet. - * @type: Type of recieved packet. + * @msg_len: Length of the received packet. + * @type: Type of received packet. * * Return: 0 on success, -1 on failure. */ @@ -1534,7 +1547,7 @@ int rsi_send_ps_request(struct rsi_hw *adapter, bool enable, } /** - * rsi_set_antenna() - This fuction send antenna configuration request + * rsi_set_antenna() - This function send antenna configuration request * to device * * @common: Pointer to the driver private structure. @@ -1628,6 +1641,111 @@ int rsi_send_wowlan_request(struct rsi_common *common, u16 flags, } #endif +int rsi_send_bgscan_params(struct rsi_common *common, int enable) +{ + struct rsi_bgscan_params *params = &common->bgscan; + struct cfg80211_scan_request *scan_req = common->hwscan; + struct rsi_bgscan_config *bgscan; + struct sk_buff *skb; + u16 frame_len = sizeof(*bgscan); + u8 i; + + rsi_dbg(MGMT_TX_ZONE, "%s: Sending bgscan params frame\n", __func__); + + skb = dev_alloc_skb(frame_len); + if (!skb) + return -ENOMEM; + memset(skb->data, 0, frame_len); + + bgscan = (struct rsi_bgscan_config *)skb->data; + rsi_set_len_qno(&bgscan->desc_dword0.len_qno, + (frame_len - FRAME_DESC_SZ), RSI_WIFI_MGMT_Q); + bgscan->desc_dword0.frame_type = BG_SCAN_PARAMS; + bgscan->bgscan_threshold = cpu_to_le16(params->bgscan_threshold); + bgscan->roam_threshold = cpu_to_le16(params->roam_threshold); + if (enable) + bgscan->bgscan_periodicity = + cpu_to_le16(params->bgscan_periodicity); + bgscan->active_scan_duration = + cpu_to_le16(params->active_scan_duration); + bgscan->passive_scan_duration = + cpu_to_le16(params->passive_scan_duration); + bgscan->two_probe = params->two_probe; + + bgscan->num_bgscan_channels = scan_req->n_channels; + for (i = 0; i < bgscan->num_bgscan_channels; i++) + bgscan->channels2scan[i] = + cpu_to_le16(scan_req->channels[i]->hw_value); + + skb_put(skb, frame_len); + + return rsi_send_internal_mgmt_frame(common, skb); +} + +/* This function sends the probe request to be used by firmware in + * background scan + */ +int rsi_send_bgscan_probe_req(struct rsi_common *common, + struct ieee80211_vif *vif) +{ + struct cfg80211_scan_request *scan_req = common->hwscan; + struct rsi_bgscan_probe *bgscan; + struct sk_buff *skb; + struct sk_buff *probereq_skb; + u16 frame_len = sizeof(*bgscan); + size_t ssid_len = 0; + u8 *ssid = NULL; + + rsi_dbg(MGMT_TX_ZONE, + "%s: Sending bgscan probe req frame\n", __func__); + + if (common->priv->sc_nvifs <= 0) + return -ENODEV; + + if (scan_req->n_ssids) { + ssid = scan_req->ssids[0].ssid; + ssid_len = scan_req->ssids[0].ssid_len; + } + + skb = dev_alloc_skb(frame_len + MAX_BGSCAN_PROBE_REQ_LEN); + if (!skb) + return -ENOMEM; + memset(skb->data, 0, frame_len + MAX_BGSCAN_PROBE_REQ_LEN); + + bgscan = (struct rsi_bgscan_probe *)skb->data; + bgscan->desc_dword0.frame_type = BG_SCAN_PROBE_REQ; + bgscan->flags = cpu_to_le16(HOST_BG_SCAN_TRIG); + if (common->band == NL80211_BAND_5GHZ) { + bgscan->mgmt_rate = cpu_to_le16(RSI_RATE_6); + bgscan->def_chan = cpu_to_le16(40); + } else { + bgscan->mgmt_rate = cpu_to_le16(RSI_RATE_1); + bgscan->def_chan = cpu_to_le16(11); + } + bgscan->channel_scan_time = cpu_to_le16(RSI_CHANNEL_SCAN_TIME); + + probereq_skb = ieee80211_probereq_get(common->priv->hw, vif->addr, ssid, + ssid_len, scan_req->ie_len); + if (!probereq_skb) { + dev_kfree_skb(skb); + return -ENOMEM; + } + + memcpy(&skb->data[frame_len], probereq_skb->data, probereq_skb->len); + + bgscan->probe_req_length = cpu_to_le16(probereq_skb->len); + + rsi_set_len_qno(&bgscan->desc_dword0.len_qno, + (frame_len - FRAME_DESC_SZ + probereq_skb->len), + RSI_WIFI_MGMT_Q); + + skb_put(skb, frame_len + probereq_skb->len); + + dev_kfree_skb(probereq_skb); + + return rsi_send_internal_mgmt_frame(common, skb); +} + /** * rsi_handle_ta_confirm_type() - This function handles the confirm frames. * @common: Pointer to the driver private structure. @@ -1771,9 +1889,28 @@ static int rsi_handle_ta_confirm_type(struct rsi_common *common, return 0; } break; + + case SCAN_REQUEST: + rsi_dbg(INFO_ZONE, "Set channel confirm\n"); + break; + case WAKEUP_SLEEP_REQUEST: rsi_dbg(INFO_ZONE, "Wakeup/Sleep confirmation.\n"); return rsi_handle_ps_confirm(adapter, msg); + + case BG_SCAN_PROBE_REQ: + rsi_dbg(INFO_ZONE, "BG scan complete event\n"); + if (common->bgscan_en) { + struct cfg80211_scan_info info; + + if (!rsi_send_bgscan_params(common, RSI_STOP_BGSCAN)) + common->bgscan_en = 0; + info.aborted = false; + ieee80211_scan_completed(adapter->hw, &info); + } + rsi_dbg(INFO_ZONE, "Background scan completed\n"); + break; + default: rsi_dbg(INFO_ZONE, "%s: Invalid TA confirm pkt received\n", __func__); @@ -1822,7 +1959,7 @@ int rsi_handle_card_ready(struct rsi_common *common, u8 *msg) /** * rsi_mgmt_pkt_recv() - This function processes the management packets - * recieved from the hardware. + * received from the hardware. * @common: Pointer to the driver private structure. * @msg: Pointer to the received packet. * @@ -1870,6 +2007,35 @@ int rsi_mgmt_pkt_recv(struct rsi_common *common, u8 *msg) return -1; rsi_send_beacon(common); break; + case WOWLAN_WAKEUP_REASON: + rsi_dbg(ERR_ZONE, "\n\nWakeup Type: %x\n", msg[15]); + switch (msg[15]) { + case RSI_UNICAST_MAGIC_PKT: + rsi_dbg(ERR_ZONE, + "*** Wakeup for Unicast magic packet ***\n"); + break; + case RSI_BROADCAST_MAGICPKT: + rsi_dbg(ERR_ZONE, + "*** Wakeup for Broadcast magic packet ***\n"); + break; + case RSI_EAPOL_PKT: + rsi_dbg(ERR_ZONE, + "*** Wakeup for GTK renewal ***\n"); + break; + case RSI_DISCONNECT_PKT: + rsi_dbg(ERR_ZONE, + "*** Wakeup for Disconnect ***\n"); + break; + case RSI_HW_BMISS_PKT: + rsi_dbg(ERR_ZONE, + "*** Wakeup for HW Beacon miss ***\n"); + break; + default: + rsi_dbg(ERR_ZONE, + "##### Un-intentional Wakeup #####\n"); + break; + } + break; case RX_DOT11_MGMT: return rsi_mgmt_pkt_to_core(common, msg, msg_len); default: |