Return-path: Received: from emh07.mail.saunalahti.fi ([62.142.5.117]:38343 "EHLO emh07.mail.saunalahti.fi" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755725Ab1GQKYf (ORCPT ); Sun, 17 Jul 2011 06:24:35 -0400 Subject: [PATCH v2 21/23] ath6kl: add wmi.c To: linux-wireless@vger.kernel.org From: Kalle Valo Cc: joe@perches.com, devel@linuxdriverproject.org, gregkh@suse.de, error27@gmail.com Date: Sun, 17 Jul 2011 13:24:27 +0300 Message-ID: <20110717102427.18367.3955.stgit@localhost6.localdomain6> (sfid-20110717_124611_183987_D72B0CCB) In-Reply-To: <20110717101844.18367.44984.stgit@localhost6.localdomain6> References: <20110717101844.18367.44984.stgit@localhost6.localdomain6> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Sender: linux-wireless-owner@vger.kernel.org List-ID: Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath6kl/wmi.c | 2761 +++++++++++++++++++++++++++++++++ 1 files changed, 2761 insertions(+), 0 deletions(-) create mode 100644 drivers/net/wireless/ath/ath6kl/wmi.c diff --git a/drivers/net/wireless/ath/ath6kl/wmi.c b/drivers/net/wireless/ath/ath6kl/wmi.c new file mode 100644 index 0000000..38270bb --- /dev/null +++ b/drivers/net/wireless/ath/ath6kl/wmi.c @@ -0,0 +1,2761 @@ +/* + * Copyright (c) 2004-2011 Atheros Communications Inc. + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#include +#include "core.h" +#include "debug.h" + +static int ath6kl_wmi_sync_point(struct wmi *wmi); + +static const s32 wmi_rate_tbl[][2] = { + /* {W/O SGI, with SGI} */ + {1000, 1000}, + {2000, 2000}, + {5500, 5500}, + {11000, 11000}, + {6000, 6000}, + {9000, 9000}, + {12000, 12000}, + {18000, 18000}, + {24000, 24000}, + {36000, 36000}, + {48000, 48000}, + {54000, 54000}, + {6500, 7200}, + {13000, 14400}, + {19500, 21700}, + {26000, 28900}, + {39000, 43300}, + {52000, 57800}, + {58500, 65000}, + {65000, 72200}, + {13500, 15000}, + {27000, 30000}, + {40500, 45000}, + {54000, 60000}, + {81000, 90000}, + {108000, 120000}, + {121500, 135000}, + {135000, 150000}, + {0, 0} +}; + +/* 802.1d to AC mapping. Refer pg 57 of WMM-test-plan-v1.2 */ +static const u8 up_to_ac[] = { + WMM_AC_BE, + WMM_AC_BK, + WMM_AC_BK, + WMM_AC_BE, + WMM_AC_VI, + WMM_AC_VI, + WMM_AC_VO, + WMM_AC_VO, +}; + +void ath6kl_wmi_set_control_ep(struct wmi *wmi, enum htc_endpoint_id ep_id) +{ + if (WARN_ON(ep_id == ENDPOINT_UNUSED || ep_id >= ENDPOINT_MAX)) + return; + + wmi->ep_id = ep_id; +} + +enum htc_endpoint_id ath6kl_wmi_get_control_ep(struct wmi *wmi) +{ + return wmi->ep_id; +} + +/* Performs DIX to 802.3 encapsulation for transmit packets. + * Assumes the entire DIX header is contigous and that there is + * enough room in the buffer for a 802.3 mac header and LLC+SNAP headers. + */ +int ath6kl_wmi_dix_2_dot3(struct wmi *wmi, struct sk_buff *skb) +{ + struct ath6kl_llc_snap_hdr *llc_hdr; + struct ethhdr *eth_hdr; + size_t new_len; + __be16 type; + u8 *datap; + u16 size; + + if (WARN_ON(skb == NULL)) + return -EINVAL; + + size = sizeof(struct ath6kl_llc_snap_hdr) + sizeof(struct wmi_data_hdr); + if (skb_headroom(skb) < size) + return -ENOMEM; + + eth_hdr = (struct ethhdr *) skb->data; + type = eth_hdr->h_proto; + + if (!is_ethertype(be16_to_cpu(type))) { + ath6kl_dbg(ATH6KL_DBG_WMI, + "%s: pkt is already in 802.3 format\n", __func__); + return 0; + } + + new_len = skb->len - sizeof(*eth_hdr) + sizeof(*llc_hdr); + + skb_push(skb, sizeof(struct ath6kl_llc_snap_hdr)); + datap = skb->data; + + eth_hdr->h_proto = cpu_to_be16(new_len); + + memcpy(datap, eth_hdr, sizeof(*eth_hdr)); + + llc_hdr = (struct ath6kl_llc_snap_hdr *)(datap + sizeof(*eth_hdr)); + llc_hdr->dsap = 0xAA; + llc_hdr->ssap = 0xAA; + llc_hdr->cntl = 0x03; + llc_hdr->org_code[0] = 0x0; + llc_hdr->org_code[1] = 0x0; + llc_hdr->org_code[2] = 0x0; + llc_hdr->eth_type = type; + + return 0; +} + +static int ath6kl_wmi_meta_add(struct wmi *wmi, struct sk_buff *skb, + u8 *version, void *tx_meta_info) +{ + struct wmi_tx_meta_v1 *v1; + struct wmi_tx_meta_v2 *v2; + + if (WARN_ON(skb == NULL || version == NULL)) + return -EINVAL; + + switch (*version) { + case WMI_META_VERSION_1: + skb_push(skb, WMI_MAX_TX_META_SZ); + v1 = (struct wmi_tx_meta_v1 *) skb->data; + v1->pkt_id = 0; + v1->rate_plcy_id = 0; + *version = WMI_META_VERSION_1; + break; + case WMI_META_VERSION_2: + skb_push(skb, WMI_MAX_TX_META_SZ); + v2 = (struct wmi_tx_meta_v2 *) skb->data; + memcpy(v2, (struct wmi_tx_meta_v2 *) tx_meta_info, + sizeof(struct wmi_tx_meta_v2)); + break; + } + + return 0; +} + +int ath6kl_wmi_data_hdr_add(struct wmi *wmi, struct sk_buff *skb, + u8 msg_type, bool more_data, + enum wmi_data_hdr_data_type data_type, + u8 meta_ver, void *tx_meta_info) +{ + struct wmi_data_hdr *data_hdr; + int ret; + + if (WARN_ON(skb == NULL)) + return -EINVAL; + + ret = ath6kl_wmi_meta_add(wmi, skb, &meta_ver, tx_meta_info); + if (ret) + return ret; + + skb_push(skb, sizeof(struct wmi_data_hdr)); + + data_hdr = (struct wmi_data_hdr *)skb->data; + memset(data_hdr, 0, sizeof(struct wmi_data_hdr)); + + data_hdr->info = msg_type << WMI_DATA_HDR_MSG_TYPE_SHIFT; + data_hdr->info |= data_type << WMI_DATA_HDR_DATA_TYPE_SHIFT; + + if (more_data) + data_hdr->info |= + WMI_DATA_HDR_MORE_MASK << WMI_DATA_HDR_MORE_SHIFT; + + data_hdr->info2 = cpu_to_le16(meta_ver << WMI_DATA_HDR_META_SHIFT); + data_hdr->info3 = 0; + + return 0; +} + +static u8 ath6kl_wmi_determine_user_priority(u8 *pkt, u32 layer2_pri) +{ + struct iphdr *ip_hdr = (struct iphdr *) pkt; + u8 ip_pri; + + /* + * Determine IPTOS priority + * + * IP-TOS - 8bits + * : DSCP(6-bits) ECN(2-bits) + * : DSCP - P2 P1 P0 X X X + * where (P2 P1 P0) form 802.1D + */ + ip_pri = ip_hdr->tos >> 5; + ip_pri &= 0x7; + + if ((layer2_pri & 0x7) > ip_pri) + return (u8) layer2_pri & 0x7; + else + return ip_pri; +} + +int ath6kl_wmi_implicit_create_pstream(struct wmi *wmi, struct sk_buff *skb, + u32 layer2_priority, bool wmm_enabled, + u8 *ac) +{ + struct wmi_data_hdr *data_hdr; + struct ath6kl_llc_snap_hdr *llc_hdr; + struct wmi_create_pstream_cmd cmd; + u32 meta_size, hdr_size; + u16 ip_type = IP_ETHERTYPE; + u8 stream_exist, usr_pri; + u8 traffic_class = WMM_AC_BE; + u8 *datap; + + if (WARN_ON(skb == NULL)) + return -EINVAL; + + datap = skb->data; + data_hdr = (struct wmi_data_hdr *) datap; + + meta_size = ((le16_to_cpu(data_hdr->info2) >> WMI_DATA_HDR_META_SHIFT) & + WMI_DATA_HDR_META_MASK) ? WMI_MAX_TX_META_SZ : 0; + + if (!wmm_enabled) { + /* If WMM is disabled all traffic goes as BE traffic */ + usr_pri = 0; + } else { + hdr_size = sizeof(struct ethhdr); + + llc_hdr = (struct ath6kl_llc_snap_hdr *)(datap + + sizeof(struct + wmi_data_hdr) + + meta_size + hdr_size); + + if (llc_hdr->eth_type == htons(ip_type)) { + /* + * Extract the endpoint info from the TOS field + * in the IP header. + */ + usr_pri = + ath6kl_wmi_determine_user_priority(((u8 *) llc_hdr) + + sizeof(struct ath6kl_llc_snap_hdr), + layer2_priority); + } else + usr_pri = layer2_priority & 0x7; + } + + /* workaround for WMM S5 */ + if ((wmi->traffic_class == WMM_AC_VI) && + ((usr_pri == 5) || (usr_pri == 4))) + usr_pri = 1; + + /* Convert user priority to traffic class */ + traffic_class = up_to_ac[usr_pri & 0x7]; + + wmi_data_hdr_set_up(data_hdr, usr_pri); + + spin_lock_bh(&wmi->lock); + stream_exist = wmi->fat_pipe_exist; + spin_unlock_bh(&wmi->lock); + + if (!(stream_exist & (1 << traffic_class))) { + memset(&cmd, 0, sizeof(cmd)); + cmd.traffic_class = traffic_class; + cmd.user_pri = usr_pri; + cmd.inactivity_int = + cpu_to_le32(WMI_IMPLICIT_PSTREAM_INACTIVITY_INT); + /* Implicit streams are created with TSID 0xFF */ + cmd.tsid = WMI_IMPLICIT_PSTREAM; + ath6kl_wmi_create_pstream_cmd(wmi, &cmd); + } + + *ac = traffic_class; + + return 0; +} + +int ath6kl_wmi_dot11_hdr_remove(struct wmi *wmi, struct sk_buff *skb) +{ + struct ieee80211_hdr_3addr *pwh, wh; + struct ath6kl_llc_snap_hdr *llc_hdr; + struct ethhdr eth_hdr; + u32 hdr_size; + u8 *datap; + __le16 sub_type; + + if (WARN_ON(skb == NULL)) + return -EINVAL; + + datap = skb->data; + pwh = (struct ieee80211_hdr_3addr *) datap; + + sub_type = pwh->frame_control & cpu_to_le16(IEEE80211_FCTL_STYPE); + + memcpy((u8 *) &wh, datap, sizeof(struct ieee80211_hdr_3addr)); + + /* Strip off the 802.11 header */ + if (sub_type == cpu_to_le16(IEEE80211_STYPE_QOS_DATA)) { + hdr_size = roundup(sizeof(struct ieee80211_qos_hdr), + sizeof(u32)); + skb_pull(skb, hdr_size); + } else if (sub_type == cpu_to_le16(IEEE80211_STYPE_DATA)) + skb_pull(skb, sizeof(struct ieee80211_hdr_3addr)); + + datap = skb->data; + llc_hdr = (struct ath6kl_llc_snap_hdr *)(datap); + + eth_hdr.h_proto = llc_hdr->eth_type; + memset(eth_hdr.h_dest, 0, sizeof(eth_hdr.h_dest)); + memset(eth_hdr.h_source, 0, sizeof(eth_hdr.h_source)); + + switch ((le16_to_cpu(wh.frame_control)) & + (IEEE80211_FCTL_FROMDS | IEEE80211_FCTL_TODS)) { + case 0: + memcpy(eth_hdr.h_dest, wh.addr1, ETH_ALEN); + memcpy(eth_hdr.h_source, wh.addr2, ETH_ALEN); + break; + case IEEE80211_FCTL_TODS: + memcpy(eth_hdr.h_dest, wh.addr3, ETH_ALEN); + memcpy(eth_hdr.h_source, wh.addr2, ETH_ALEN); + break; + case IEEE80211_FCTL_FROMDS: + memcpy(eth_hdr.h_dest, wh.addr1, ETH_ALEN); + memcpy(eth_hdr.h_source, wh.addr3, ETH_ALEN); + break; + case IEEE80211_FCTL_FROMDS | IEEE80211_FCTL_TODS: + break; + } + + skb_pull(skb, sizeof(struct ath6kl_llc_snap_hdr)); + skb_push(skb, sizeof(eth_hdr)); + + datap = skb->data; + + memcpy(datap, ð_hdr, sizeof(eth_hdr)); + + return 0; +} + +/* + * Performs 802.3 to DIX encapsulation for received packets. + * Assumes the entire 802.3 header is contigous. + */ +int ath6kl_wmi_dot3_2_dix(struct sk_buff *skb) +{ + struct ath6kl_llc_snap_hdr *llc_hdr; + struct ethhdr eth_hdr; + u8 *datap; + + if (WARN_ON(skb == NULL)) + return -EINVAL; + + datap = skb->data; + + memcpy(ð_hdr, datap, sizeof(eth_hdr)); + + llc_hdr = (struct ath6kl_llc_snap_hdr *) (datap + sizeof(eth_hdr)); + eth_hdr.h_proto = llc_hdr->eth_type; + + skb_pull(skb, sizeof(struct ath6kl_llc_snap_hdr)); + datap = skb->data; + + memcpy(datap, ð_hdr, sizeof(eth_hdr)); + + return 0; +} + +int ath6kl_wmi_data_hdr_remove(struct wmi *wmi, struct sk_buff *skb) +{ + if (WARN_ON(skb == NULL)) + return -EINVAL; + + skb_pull(skb, sizeof(struct wmi_data_hdr)); + + return 0; +} + +void ath6kl_wmi_iterate_nodes(struct wmi *wmi, + void (*f) (void *arg, struct bss *), + void *arg) +{ + wlan_iterate_nodes(&wmi->scan_table, f, arg); +} + +static void ath6kl_wmi_convert_bssinfo_hdr2_to_hdr(struct sk_buff *skb, + u8 *datap) +{ + struct wmi_bss_info_hdr2 bih2; + struct wmi_bss_info_hdr *bih; + + memcpy(&bih2, datap, sizeof(struct wmi_bss_info_hdr2)); + + skb_push(skb, 4); + bih = (struct wmi_bss_info_hdr *) skb->data; + + bih->ch = bih2.ch; + bih->frame_type = bih2.frame_type; + bih->snr = bih2.snr; + bih->rssi = a_cpu_to_sle16(bih2.snr - 95); + bih->ie_mask = cpu_to_le32(le16_to_cpu(bih2.ie_mask)); + memcpy(bih->bssid, bih2.bssid, ETH_ALEN); +} + +static int ath6kl_wmi_tx_complete_event_rx(u8 *datap, int len) +{ + struct tx_complete_msg_v1 *msg_v1; + struct wmi_tx_complete_event *evt; + int index; + u16 size; + + evt = (struct wmi_tx_complete_event *) datap; + + ath6kl_dbg(ATH6KL_DBG_WMI, "comp: %d %d %d\n", + evt->num_msg, evt->msg_len, evt->msg_type); + + if (!AR_DBG_LVL_CHECK(ATH6KL_DBG_WMI)) + return 0; + + for (index = 0; index < evt->num_msg; index++) { + size = sizeof(struct wmi_tx_complete_event) + + (index * sizeof(struct tx_complete_msg_v1)); + msg_v1 = (struct tx_complete_msg_v1 *)(datap + size); + + ath6kl_dbg(ATH6KL_DBG_WMI, "msg: %d %d %d %d\n", + msg_v1->status, msg_v1->pkt_id, + msg_v1->rate_idx, msg_v1->ack_failures); + } + + return 0; +} + +static inline struct sk_buff *ath6kl_wmi_get_new_buf(u32 size) +{ + struct sk_buff *skb; + + skb = ath6kl_buf_alloc(size); + if (!skb) + return NULL; + + skb_put(skb, size); + if (size) + memset(skb->data, 0, size); + + return skb; +} + +/* Send a "simple" wmi command -- one with no arguments */ +static int ath6kl_wmi_simple_cmd(struct wmi *wmi, enum wmi_cmd_id cmd_id) +{ + struct sk_buff *skb; + int ret; + + skb = ath6kl_wmi_get_new_buf(0); + if (!skb) + return -ENOMEM; + + ret = ath6kl_wmi_cmd_send(wmi, skb, cmd_id, NO_SYNC_WMIFLAG); + + return ret; +} + +static int ath6kl_wmi_ready_event_rx(struct wmi *wmi, u8 *datap, int len) +{ + struct wmi_ready_event_2 *ev = (struct wmi_ready_event_2 *) datap; + + if (len < sizeof(struct wmi_ready_event_2)) + return -EINVAL; + + wmi->ready = true; + ath6kl_ready_event(wmi->parent_dev, ev->mac_addr, + le32_to_cpu(ev->sw_version), + le32_to_cpu(ev->abi_version)); + + return 0; +} + +static int ath6kl_wmi_connect_event_rx(struct wmi *wmi, u8 *datap, int len) +{ + struct wmi_connect_event *ev; + u8 *pie, *peie; + + if (len < sizeof(struct wmi_connect_event)) + return -EINVAL; + + ev = (struct wmi_connect_event *) datap; + + ath6kl_dbg(ATH6KL_DBG_WMI, "%s: freq %d bssid %pM\n", + __func__, ev->ch, ev->bssid); + + memcpy(wmi->bssid, ev->bssid, ETH_ALEN); + + /* Start of assoc rsp IEs */ + pie = ev->assoc_info + ev->beacon_ie_len + + ev->assoc_req_len + (sizeof(u16) * 3); /* capinfo, status, aid */ + + /* End of assoc rsp IEs */ + peie = ev->assoc_info + ev->beacon_ie_len + ev->assoc_req_len + + ev->assoc_resp_len; + + while (pie < peie) { + switch (*pie) { + case WLAN_EID_VENDOR_SPECIFIC: + if (pie[1] > 3 && pie[2] == 0x00 && pie[3] == 0x50 && + pie[4] == 0xf2 && pie[5] == WMM_OUI_TYPE) { + /* WMM OUT (00:50:F2) */ + if (pie[1] > 5 + && pie[6] == WMM_PARAM_OUI_SUBTYPE) + wmi->is_wmm_enabled = true; + } + break; + } + + if (wmi->is_wmm_enabled) + break; + + pie += pie[1] + 2; + } + + ath6kl_connect_event(wmi->parent_dev, le16_to_cpu(ev->ch), ev->bssid, + le16_to_cpu(ev->listen_intvl), + le16_to_cpu(ev->beacon_intvl), + le32_to_cpu(ev->nw_type), + ev->beacon_ie_len, ev->assoc_req_len, + ev->assoc_resp_len, ev->assoc_info); + + return 0; +} + +static int ath6kl_wmi_disconnect_event_rx(struct wmi *wmi, u8 *datap, int len) +{ + struct wmi_disconnect_event *ev; + wmi->traffic_class = 100; + + if (len < sizeof(struct wmi_disconnect_event)) + return -EINVAL; + + ev = (struct wmi_disconnect_event *) datap; + memset(wmi->bssid, 0, sizeof(wmi->bssid)); + + wmi->is_wmm_enabled = false; + wmi->pair_crypto_type = NONE_CRYPT; + wmi->grp_crypto_type = NONE_CRYPT; + + ath6kl_disconnect_event(wmi->parent_dev, ev->disconn_reason, + ev->bssid, ev->assoc_resp_len, ev->assoc_info, + le16_to_cpu(ev->proto_reason_status)); + + return 0; +} + +static int ath6kl_wmi_peer_node_event_rx(struct wmi *wmi, u8 *datap, int len) +{ + struct wmi_peer_node_event *ev; + + if (len < sizeof(struct wmi_peer_node_event)) + return -EINVAL; + + ev = (struct wmi_peer_node_event *) datap; + + if (ev->event_code == PEER_NODE_JOIN_EVENT) + ath6kl_dbg(ATH6KL_DBG_WMI, "joined node with mac addr: %pM", + ev->peer_mac_addr); + else if (ev->event_code == PEER_NODE_LEAVE_EVENT) + ath6kl_dbg(ATH6KL_DBG_WMI, "left node with mac addr: %pM", + ev->peer_mac_addr); + + return 0; +} + +static int ath6kl_wmi_tkip_micerr_event_rx(struct wmi *wmi, u8 *datap, int len) +{ + struct wmi_tkip_micerr_event *ev; + + if (len < sizeof(struct wmi_tkip_micerr_event)) + return -EINVAL; + + ev = (struct wmi_tkip_micerr_event *) datap; + + ath6kl_tkip_micerr_event(wmi->parent_dev, ev->key_id, ev->is_mcast); + + return 0; +} + +static int ath6kl_wlan_parse_beacon(u8 *buf, int frame_len, + struct ath6kl_common_ie *cie) +{ + u8 *frm, *efrm; + u8 elemid_ssid = false; + + frm = buf; + efrm = (u8 *) (frm + frame_len); + + /* + * beacon/probe response frame format + * [8] time stamp + * [2] beacon interval + * [2] capability information + * [tlv] ssid + * [tlv] supported rates + * [tlv] country information + * [tlv] parameter set (FH/DS) + * [tlv] erp information + * [tlv] extended supported rates + * [tlv] WMM + * [tlv] WPA or RSN + * [tlv] Atheros Advanced Capabilities + */ + if ((efrm - frm) < 12) + return -EINVAL; + + memset(cie, 0, sizeof(*cie)); + + cie->ie_tstamp = frm; + frm += 8; + cie->ie_beaconInt = *(u16 *) frm; + frm += 2; + cie->ie_capInfo = *(u16 *) frm; + frm += 2; + cie->ie_chan = 0; + + while (frm < efrm) { + switch (*frm) { + case WLAN_EID_SSID: + if (!elemid_ssid) { + cie->ie_ssid = frm; + elemid_ssid = true; + } + break; + case WLAN_EID_SUPP_RATES: + cie->ie_rates = frm; + break; + case WLAN_EID_COUNTRY: + cie->ie_country = frm; + break; + case WLAN_EID_FH_PARAMS: + break; + case WLAN_EID_DS_PARAMS: + cie->ie_chan = frm[2]; + break; + case WLAN_EID_TIM: + cie->ie_tim = frm; + break; + case WLAN_EID_IBSS_PARAMS: + break; + case WLAN_EID_EXT_SUPP_RATES: + cie->ie_xrates = frm; + break; + case WLAN_EID_ERP_INFO: + if (frm[1] != 1) + return -EINVAL; + + cie->ie_erp = frm[2]; + break; + case WLAN_EID_RSN: + cie->ie_rsn = frm; + break; + case WLAN_EID_HT_CAPABILITY: + cie->ie_htcap = frm; + break; + case WLAN_EID_HT_INFORMATION: + cie->ie_htop = frm; + break; + case WLAN_EID_VENDOR_SPECIFIC: + if (frm[1] > 3 && frm[2] == 0x00 && frm[3] == 0x50 && + frm[4] == 0xf2) { + /* OUT Type (00:50:F2) */ + + if (frm[5] == WPA_OUI_TYPE) { + /* WPA OUT */ + cie->ie_wpa = frm; + } else if (frm[5] == WMM_OUI_TYPE) { + /* WMM OUT */ + cie->ie_wmm = frm; + } else if (frm[5] == WSC_OUT_TYPE) { + /* WSC OUT */ + cie->ie_wsc = frm; + } + + } else if (frm[1] > 3 && frm[2] == 0x00 + && frm[3] == 0x03 && frm[4] == 0x7f + && frm[5] == ATH_OUI_TYPE) { + /* Atheros OUI (00:03:7f) */ + cie->ie_ath = frm; + } + break; + default: + break; + } + frm += frm[1] + 2; + } + + if ((cie->ie_rates == NULL) + || (cie->ie_rates[1] > ATH6KL_RATE_MAXSIZE)) + return -EINVAL; + + if ((cie->ie_ssid == NULL) + || (cie->ie_ssid[1] > IEEE80211_MAX_SSID_LEN)) + return -EINVAL; + + return 0; +} + +static int ath6kl_wmi_bssinfo_event_rx(struct wmi *wmi, u8 *datap, int len) +{ + struct bss *bss = NULL; + struct wmi_bss_info_hdr *bih; + u8 cached_ssid_len = 0; + u8 cached_ssid[IEEE80211_MAX_SSID_LEN] = { 0 }; + u8 beacon_ssid_len = 0; + u8 *buf, *ie_ssid; + u8 *ni_buf; + int buf_len; + + int ret; + + if (len <= sizeof(struct wmi_bss_info_hdr)) + return -EINVAL; + + bih = (struct wmi_bss_info_hdr *) datap; + bss = wlan_find_node(&wmi->scan_table, bih->bssid); + + if (a_sle16_to_cpu(bih->rssi) > 0) { + if (bss == NULL) + return 0; + else + bih->rssi = a_cpu_to_sle16(bss->ni_rssi); + } + + buf = datap + sizeof(struct wmi_bss_info_hdr); + len -= sizeof(struct wmi_bss_info_hdr); + + ath6kl_dbg(ATH6KL_DBG_WMI, + "bss info evt - ch %u, rssi %02x, bssid \"%pM\"\n", + bih->ch, a_sle16_to_cpu(bih->rssi), bih->bssid); + + if (bss != NULL) { + /* + * Free up the node. We are about to allocate a new node. + * In case of hidden AP, beacon will not have ssid, + * but a directed probe response will have it, + * so cache the probe-resp-ssid if already present. + */ + if (wmi->is_probe_ssid && (bih->frame_type == BEACON_FTYPE)) { + ie_ssid = bss->ni_cie.ie_ssid; + if (ie_ssid && (ie_ssid[1] <= IEEE80211_MAX_SSID_LEN) && + (ie_ssid[2] != 0)) { + cached_ssid_len = ie_ssid[1]; + memcpy(cached_ssid, ie_ssid + 2, + cached_ssid_len); + } + } + + /* + * Use the current average rssi of associated AP base on + * assumption + * 1. Most os with GUI will update RSSI by + * ath6kl_wmi_get_stats_cmd() periodically. + * 2. ath6kl_wmi_get_stats_cmd(..) will be called when calling + * ath6kl_wmi_startscan_cmd(...) + * The average value of RSSI give end-user better feeling for + * instance value of scan result. It also sync up RSSI info + * in GUI between scan result and RSSI signal icon. + */ + if (memcmp(wmi->bssid, bih->bssid, ETH_ALEN) == 0) { + bih->rssi = a_cpu_to_sle16(bss->ni_rssi); + bih->snr = bss->ni_snr; + } + + wlan_node_reclaim(&wmi->scan_table, bss); + } + + /* + * beacon/probe response frame format + * [8] time stamp + * [2] beacon interval + * [2] capability information + * [tlv] ssid + */ + beacon_ssid_len = buf[SSID_IE_LEN_INDEX]; + + /* + * If ssid is cached for this hidden AP, then change + * buffer len accordingly. + */ + if (wmi->is_probe_ssid && (bih->frame_type == BEACON_FTYPE) && + (cached_ssid_len != 0) && + (beacon_ssid_len == 0 || (cached_ssid_len > beacon_ssid_len && + buf[SSID_IE_LEN_INDEX + 1] == 0))) { + + len += (cached_ssid_len - beacon_ssid_len); + } + + bss = wlan_node_alloc(len); + if (!bss) + return -ENOMEM; + + bss->ni_snr = bih->snr; + bss->ni_rssi = a_sle16_to_cpu(bih->rssi); + + if (WARN_ON(!bss->ni_buf)) + return -EINVAL; + + /* + * In case of hidden AP, beacon will not have ssid, + * but a directed probe response will have it, + * so place the cached-ssid(probe-resp) in the bss info. + */ + if (wmi->is_probe_ssid && (bih->frame_type == BEACON_FTYPE) && + (cached_ssid_len != 0) && + (beacon_ssid_len == 0 || (beacon_ssid_len && + buf[SSID_IE_LEN_INDEX + 1] == 0))) { + ni_buf = bss->ni_buf; + buf_len = len; + + /* + * Copy the first 14 bytes: + * time-stamp(8), beacon-interval(2), + * cap-info(2), ssid-id(1), ssid-len(1). + */ + memcpy(ni_buf, buf, SSID_IE_LEN_INDEX + 1); + + ni_buf[SSID_IE_LEN_INDEX] = cached_ssid_len; + ni_buf += (SSID_IE_LEN_INDEX + 1); + + buf += (SSID_IE_LEN_INDEX + 1); + buf_len -= (SSID_IE_LEN_INDEX + 1); + + memcpy(ni_buf, cached_ssid, cached_ssid_len); + ni_buf += cached_ssid_len; + + buf += beacon_ssid_len; + buf_len -= beacon_ssid_len; + + if (cached_ssid_len > beacon_ssid_len) + buf_len -= (cached_ssid_len - beacon_ssid_len); + + memcpy(ni_buf, buf, buf_len); + } else + memcpy(bss->ni_buf, buf, len); + + bss->ni_framelen = len; + + ret = ath6kl_wlan_parse_beacon(bss->ni_buf, len, &bss->ni_cie); + if (ret) { + wlan_node_free(bss); + return -EINVAL; + } + + /* + * Update the frequency in ie_chan, overwriting of channel number + * which is done in ath6kl_wlan_parse_beacon + */ + bss->ni_cie.ie_chan = le16_to_cpu(bih->ch); + wlan_setup_node(&wmi->scan_table, bss, bih->bssid); + + return 0; +} + +static int ath6kl_wmi_opt_frame_event_rx(struct wmi *wmi, u8 *datap, int len) +{ + struct bss *bss; + struct wmi_opt_rx_info_hdr *bih; + u8 *buf; + + if (len <= sizeof(struct wmi_opt_rx_info_hdr)) + return -EINVAL; + + bih = (struct wmi_opt_rx_info_hdr *) datap; + buf = datap + sizeof(struct wmi_opt_rx_info_hdr); + len -= sizeof(struct wmi_opt_rx_info_hdr); + + ath6kl_dbg(ATH6KL_DBG_WMI, "opt frame event %2.2x:%2.2x\n", + bih->bssid[4], bih->bssid[5]); + + bss = wlan_find_node(&wmi->scan_table, bih->bssid); + if (bss != NULL) { + /* Free up the node. We are about to allocate a new node. */ + wlan_node_reclaim(&wmi->scan_table, bss); + } + + bss = wlan_node_alloc(len); + if (!bss) + return -ENOMEM; + + bss->ni_snr = bih->snr; + bss->ni_cie.ie_chan = le16_to_cpu(bih->ch); + + if (WARN_ON(!bss->ni_buf)) + return -EINVAL; + + memcpy(bss->ni_buf, buf, len); + wlan_setup_node(&wmi->scan_table, bss, bih->bssid); + + return 0; +} + +/* Inactivity timeout of a fatpipe(pstream) at the target */ +static int ath6kl_wmi_pstream_timeout_event_rx(struct wmi *wmi, u8 *datap, + int len) +{ + struct wmi_pstream_timeout_event *ev; + + if (len < sizeof(struct wmi_pstream_timeout_event)) + return -EINVAL; + + ev = (struct wmi_pstream_timeout_event *) datap; + + /* + * When the pstream (fat pipe == AC) timesout, it means there were + * no thinStreams within this pstream & it got implicitly created + * due to data flow on this AC. We start the inactivity timer only + * for implicitly created pstream. Just reset the host state. + */ + spin_lock_bh(&wmi->lock); + wmi->stream_exist_for_ac[ev->traffic_class] = 0; + wmi->fat_pipe_exist &= ~(1 << ev->traffic_class); + spin_unlock_bh(&wmi->lock); + + /* Indicate inactivity to driver layer for this fatpipe (pstream) */ + ath6kl_indicate_tx_activity(wmi->parent_dev, ev->traffic_class, false); + + return 0; +} + +static int ath6kl_wmi_bitrate_reply_rx(struct wmi *wmi, u8 *datap, int len) +{ + struct wmi_bit_rate_reply *reply; + s32 rate; + u32 sgi, index; + + if (len < sizeof(struct wmi_bit_rate_reply)) + return -EINVAL; + + reply = (struct wmi_bit_rate_reply *) datap; + + ath6kl_dbg(ATH6KL_DBG_WMI, "rateindex %d\n", reply->rate_index); + + if (reply->rate_index == (s8) RATE_AUTO) { + rate = RATE_AUTO; + } else { + index = reply->rate_index & 0x7f; + sgi = (reply->rate_index & 0x80) ? 1 : 0; + rate = wmi_rate_tbl[index][sgi]; + } + + ath6kl_wakeup_event(wmi->parent_dev); + + return 0; +} + +static int ath6kl_wmi_ratemask_reply_rx(struct wmi *wmi, u8 *datap, int len) +{ + if (len < sizeof(struct wmi_fix_rates_reply)) + return -EINVAL; + + ath6kl_wakeup_event(wmi->parent_dev); + + return 0; +} + +static int ath6kl_wmi_ch_list_reply_rx(struct wmi *wmi, u8 *datap, int len) +{ + if (len < sizeof(struct wmi_channel_list_reply)) + return -EINVAL; + + ath6kl_wakeup_event(wmi->parent_dev); + + return 0; +} + +static int ath6kl_wmi_tx_pwr_reply_rx(struct wmi *wmi, u8 *datap, int len) +{ + struct wmi_tx_pwr_reply *reply; + + if (len < sizeof(struct wmi_tx_pwr_reply)) + return -EINVAL; + + reply = (struct wmi_tx_pwr_reply *) datap; + ath6kl_txpwr_rx_evt(wmi->parent_dev, reply->dbM); + + return 0; +} + +static int ath6kl_wmi_keepalive_reply_rx(struct wmi *wmi, u8 *datap, int len) +{ + if (len < sizeof(struct wmi_get_keepalive_cmd)) + return -EINVAL; + + ath6kl_wakeup_event(wmi->parent_dev); + + return 0; +} + +static int ath6kl_wmi_scan_complete_rx(struct wmi *wmi, u8 *datap, int len) +{ + struct wmi_scan_complete_event *ev; + + ev = (struct wmi_scan_complete_event *) datap; + + if (a_sle32_to_cpu(ev->status) == 0) + wlan_refresh_inactive_nodes(&wmi->scan_table); + + ath6kl_scan_complete_evt(wmi->parent_dev, a_sle32_to_cpu(ev->status)); + wmi->is_probe_ssid = false; + + return 0; +} + +/* + * Target is reporting a programming error. This is for + * developer aid only. Target only checks a few common violations + * and it is responsibility of host to do all error checking. + * Behavior of target after wmi error event is undefined. + * A reset is recommended. + */ +static int ath6kl_wmi_error_event_rx(struct wmi *wmi, u8 *datap, int len) +{ + struct wmi_cmd_error_event *ev; + + ev = (struct wmi_cmd_error_event *) datap; + + ath6kl_dbg(ATH6KL_DBG_WMI, "programming error, cmd=%d ", ev->cmd_id); + + switch (ev->err_code) { + case INVALID_PARAM: + ath6kl_dbg(ATH6KL_DBG_WMI, "illegal parameter\n"); + break; + case ILLEGAL_STATE: + ath6kl_dbg(ATH6KL_DBG_WMI, "illegal state\n"); + break; + case INTERNAL_ERROR: + ath6kl_dbg(ATH6KL_DBG_WMI, "internal error\n"); + break; + } + + return 0; +} + +static int ath6kl_wmi_stats_event_rx(struct wmi *wmi, u8 *datap, int len) +{ + ath6kl_tgt_stats_event(wmi->parent_dev, datap, len); + + return 0; +} + +static u8 ath6kl_wmi_get_upper_threshold(s16 rssi, + struct sq_threshold_params *sq_thresh, + u32 size) +{ + u32 index; + u8 threshold = (u8) sq_thresh->upper_threshold[size - 1]; + + /* The list is already in sorted order. Get the next lower value */ + for (index = 0; index < size; index++) { + if (rssi < sq_thresh->upper_threshold[index]) { + threshold = (u8) sq_thresh->upper_threshold[index]; + break; + } + } + + return threshold; +} + +static u8 ath6kl_wmi_get_lower_threshold(s16 rssi, + struct sq_threshold_params *sq_thresh, + u32 size) +{ + u32 index; + u8 threshold = (u8) sq_thresh->lower_threshold[size - 1]; + + /* The list is already in sorted order. Get the next lower value */ + for (index = 0; index < size; index++) { + if (rssi > sq_thresh->lower_threshold[index]) { + threshold = (u8) sq_thresh->lower_threshold[index]; + break; + } + } + + return threshold; +} + +static int ath6kl_wmi_send_rssi_threshold_params(struct wmi *wmi, + struct wmi_rssi_threshold_params_cmd *rssi_cmd) +{ + struct sk_buff *skb; + struct wmi_rssi_threshold_params_cmd *cmd; + + skb = ath6kl_wmi_get_new_buf(sizeof(*cmd)); + if (!skb) + return -ENOMEM; + + cmd = (struct wmi_rssi_threshold_params_cmd *) skb->data; + memcpy(cmd, rssi_cmd, sizeof(struct wmi_rssi_threshold_params_cmd)); + + return ath6kl_wmi_cmd_send(wmi, skb, WMI_RSSI_THRESHOLD_PARAMS_CMDID, + NO_SYNC_WMIFLAG); +} + +static int ath6kl_wmi_rssi_threshold_event_rx(struct wmi *wmi, u8 *datap, + int len) +{ + struct wmi_rssi_threshold_event *reply; + struct wmi_rssi_threshold_params_cmd cmd; + struct sq_threshold_params *sq_thresh; + enum wmi_rssi_threshold_val new_threshold; + u8 upper_rssi_threshold, lower_rssi_threshold; + s16 rssi; + int ret; + + if (len < sizeof(struct wmi_rssi_threshold_event)) + return -EINVAL; + + reply = (struct wmi_rssi_threshold_event *) datap; + new_threshold = (enum wmi_rssi_threshold_val) reply->range; + rssi = a_sle16_to_cpu(reply->rssi); + + sq_thresh = &wmi->sq_threshld[SIGNAL_QUALITY_METRICS_RSSI]; + + /* + * Identify the threshold breached and communicate that to the app. + * After that install a new set of thresholds based on the signal + * quality reported by the target + */ + if (new_threshold) { + /* Upper threshold breached */ + if (rssi < sq_thresh->upper_threshold[0]) { + ath6kl_dbg(ATH6KL_DBG_WMI, + "spurious upper rssi threshold event: %d\n", + rssi); + } else if ((rssi < sq_thresh->upper_threshold[1]) && + (rssi >= sq_thresh->upper_threshold[0])) { + new_threshold = WMI_RSSI_THRESHOLD1_ABOVE; + } else if ((rssi < sq_thresh->upper_threshold[2]) && + (rssi >= sq_thresh->upper_threshold[1])) { + new_threshold = WMI_RSSI_THRESHOLD2_ABOVE; + } else if ((rssi < sq_thresh->upper_threshold[3]) && + (rssi >= sq_thresh->upper_threshold[2])) { + new_threshold = WMI_RSSI_THRESHOLD3_ABOVE; + } else if ((rssi < sq_thresh->upper_threshold[4]) && + (rssi >= sq_thresh->upper_threshold[3])) { + new_threshold = WMI_RSSI_THRESHOLD4_ABOVE; + } else if ((rssi < sq_thresh->upper_threshold[5]) && + (rssi >= sq_thresh->upper_threshold[4])) { + new_threshold = WMI_RSSI_THRESHOLD5_ABOVE; + } else if (rssi >= sq_thresh->upper_threshold[5]) { + new_threshold = WMI_RSSI_THRESHOLD6_ABOVE; + } + } else { + /* Lower threshold breached */ + if (rssi > sq_thresh->lower_threshold[0]) { + ath6kl_dbg(ATH6KL_DBG_WMI, + "spurious lower rssi threshold event: %d %d\n", + rssi, sq_thresh->lower_threshold[0]); + } else if ((rssi > sq_thresh->lower_threshold[1]) && + (rssi <= sq_thresh->lower_threshold[0])) { + new_threshold = WMI_RSSI_THRESHOLD6_BELOW; + } else if ((rssi > sq_thresh->lower_threshold[2]) && + (rssi <= sq_thresh->lower_threshold[1])) { + new_threshold = WMI_RSSI_THRESHOLD5_BELOW; + } else if ((rssi > sq_thresh->lower_threshold[3]) && + (rssi <= sq_thresh->lower_threshold[2])) { + new_threshold = WMI_RSSI_THRESHOLD4_BELOW; + } else if ((rssi > sq_thresh->lower_threshold[4]) && + (rssi <= sq_thresh->lower_threshold[3])) { + new_threshold = WMI_RSSI_THRESHOLD3_BELOW; + } else if ((rssi > sq_thresh->lower_threshold[5]) && + (rssi <= sq_thresh->lower_threshold[4])) { + new_threshold = WMI_RSSI_THRESHOLD2_BELOW; + } else if (rssi <= sq_thresh->lower_threshold[5]) { + new_threshold = WMI_RSSI_THRESHOLD1_BELOW; + } + } + + /* Calculate and install the next set of thresholds */ + lower_rssi_threshold = ath6kl_wmi_get_lower_threshold(rssi, sq_thresh, + sq_thresh->lower_threshold_valid_count); + upper_rssi_threshold = ath6kl_wmi_get_upper_threshold(rssi, sq_thresh, + sq_thresh->upper_threshold_valid_count); + + /* Issue a wmi command to install the thresholds */ + cmd.thresh_above1_val = a_cpu_to_sle16(upper_rssi_threshold); + cmd.thresh_below1_val = a_cpu_to_sle16(lower_rssi_threshold); + cmd.weight = sq_thresh->weight; + cmd.poll_time = cpu_to_le32(sq_thresh->polling_interval); + + ret = ath6kl_wmi_send_rssi_threshold_params(wmi, &cmd); + if (ret) { + ath6kl_err("unable to configure rssi thresholds\n"); + return -EIO; + } + + return 0; +} + +static int ath6kl_wmi_cac_event_rx(struct wmi *wmi, u8 *datap, int len) +{ + struct wmi_cac_event *reply; + struct ieee80211_tspec_ie *ts; + u16 active_tsids, tsinfo; + u8 tsid, index; + u8 ts_id; + + if (len < sizeof(struct wmi_cac_event)) + return -EINVAL; + + reply = (struct wmi_cac_event *) datap; + + if ((reply->cac_indication == CAC_INDICATION_ADMISSION_RESP) && + (reply->status_code != IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED)) { + + ts = (struct ieee80211_tspec_ie *) &(reply->tspec_suggestion); + tsinfo = le16_to_cpu(ts->tsinfo); + tsid = (tsinfo >> IEEE80211_WMM_IE_TSPEC_TID_SHIFT) & + IEEE80211_WMM_IE_TSPEC_TID_MASK; + + ath6kl_wmi_delete_pstream_cmd(wmi, reply->ac, tsid); + } else if (reply->cac_indication == CAC_INDICATION_NO_RESP) { + /* + * Following assumes that there is only one outstanding + * ADDTS request when this event is received + */ + spin_lock_bh(&wmi->lock); + active_tsids = wmi->stream_exist_for_ac[reply->ac]; + spin_unlock_bh(&wmi->lock); + + for (index = 0; index < sizeof(active_tsids) * 8; index++) { + if ((active_tsids >> index) & 1) + break; + } + if (index < (sizeof(active_tsids) * 8)) + ath6kl_wmi_delete_pstream_cmd(wmi, reply->ac, index); + } + + /* + * Clear active tsids and Add missing handling + * for delete qos stream from AP + */ + else if (reply->cac_indication == CAC_INDICATION_DELETE) { + + ts = (struct ieee80211_tspec_ie *) &(reply->tspec_suggestion); + tsinfo = le16_to_cpu(ts->tsinfo); + ts_id = ((tsinfo >> IEEE80211_WMM_IE_TSPEC_TID_SHIFT) & + IEEE80211_WMM_IE_TSPEC_TID_MASK); + + spin_lock_bh(&wmi->lock); + wmi->stream_exist_for_ac[reply->ac] &= ~(1 << ts_id); + active_tsids = wmi->stream_exist_for_ac[reply->ac]; + spin_unlock_bh(&wmi->lock); + + /* Indicate stream inactivity to driver layer only if all tsids + * within this AC are deleted. + */ + if (!active_tsids) { + ath6kl_indicate_tx_activity(wmi->parent_dev, reply->ac, + false); + wmi->fat_pipe_exist &= ~(1 << reply->ac); + } + } + + return 0; +} + +static int ath6kl_wmi_send_snr_threshold_params(struct wmi *wmi, + struct wmi_snr_threshold_params_cmd *snr_cmd) +{ + struct sk_buff *skb; + struct wmi_snr_threshold_params_cmd *cmd; + + skb = ath6kl_wmi_get_new_buf(sizeof(*cmd)); + if (!skb) + return -ENOMEM; + + cmd = (struct wmi_snr_threshold_params_cmd *) skb->data; + memcpy(cmd, snr_cmd, sizeof(struct wmi_snr_threshold_params_cmd)); + + return ath6kl_wmi_cmd_send(wmi, skb, WMI_SNR_THRESHOLD_PARAMS_CMDID, + NO_SYNC_WMIFLAG); +} + +static int ath6kl_wmi_snr_threshold_event_rx(struct wmi *wmi, u8 *datap, + int len) +{ + struct wmi_snr_threshold_event *reply; + struct sq_threshold_params *sq_thresh; + struct wmi_snr_threshold_params_cmd cmd; + enum wmi_snr_threshold_val new_threshold; + u8 upper_snr_threshold, lower_snr_threshold; + s16 snr; + int ret; + + if (len < sizeof(struct wmi_snr_threshold_event)) + return -EINVAL; + + reply = (struct wmi_snr_threshold_event *) datap; + + new_threshold = (enum wmi_snr_threshold_val) reply->range; + snr = reply->snr; + + sq_thresh = &wmi->sq_threshld[SIGNAL_QUALITY_METRICS_SNR]; + + /* + * Identify the threshold breached and communicate that to the app. + * After that install a new set of thresholds based on the signal + * quality reported by the target. + */ + if (new_threshold) { + /* Upper threshold breached */ + if (snr < sq_thresh->upper_threshold[0]) { + ath6kl_dbg(ATH6KL_DBG_WMI, + "spurious upper snr threshold event: %d\n", + snr); + } else if ((snr < sq_thresh->upper_threshold[1]) && + (snr >= sq_thresh->upper_threshold[0])) { + new_threshold = WMI_SNR_THRESHOLD1_ABOVE; + } else if ((snr < sq_thresh->upper_threshold[2]) && + (snr >= sq_thresh->upper_threshold[1])) { + new_threshold = WMI_SNR_THRESHOLD2_ABOVE; + } else if ((snr < sq_thresh->upper_threshold[3]) && + (snr >= sq_thresh->upper_threshold[2])) { + new_threshold = WMI_SNR_THRESHOLD3_ABOVE; + } else if (snr >= sq_thresh->upper_threshold[3]) { + new_threshold = WMI_SNR_THRESHOLD4_ABOVE; + } + } else { + /* Lower threshold breached */ + if (snr > sq_thresh->lower_threshold[0]) { + ath6kl_dbg(ATH6KL_DBG_WMI, + "spurious lower snr threshold event: %d\n", + sq_thresh->lower_threshold[0]); + } else if ((snr > sq_thresh->lower_threshold[1]) && + (snr <= sq_thresh->lower_threshold[0])) { + new_threshold = WMI_SNR_THRESHOLD4_BELOW; + } else if ((snr > sq_thresh->lower_threshold[2]) && + (snr <= sq_thresh->lower_threshold[1])) { + new_threshold = WMI_SNR_THRESHOLD3_BELOW; + } else if ((snr > sq_thresh->lower_threshold[3]) && + (snr <= sq_thresh->lower_threshold[2])) { + new_threshold = WMI_SNR_THRESHOLD2_BELOW; + } else if (snr <= sq_thresh->lower_threshold[3]) { + new_threshold = WMI_SNR_THRESHOLD1_BELOW; + } + } + + /* Calculate and install the next set of thresholds */ + lower_snr_threshold = ath6kl_wmi_get_lower_threshold(snr, sq_thresh, + sq_thresh->lower_threshold_valid_count); + upper_snr_threshold = ath6kl_wmi_get_upper_threshold(snr, sq_thresh, + sq_thresh->upper_threshold_valid_count); + + /* Issue a wmi command to install the thresholds */ + cmd.thresh_above1_val = upper_snr_threshold; + cmd.thresh_below1_val = lower_snr_threshold; + cmd.weight = sq_thresh->weight; + cmd.poll_time = cpu_to_le32(sq_thresh->polling_interval); + + ath6kl_dbg(ATH6KL_DBG_WMI, + "snr: %d, threshold: %d, lower: %d, upper: %d\n", + snr, new_threshold, + lower_snr_threshold, upper_snr_threshold); + + ret = ath6kl_wmi_send_snr_threshold_params(wmi, &cmd); + if (ret) { + ath6kl_err("%s: unable to configure snr threshold\n", __func__); + return -EIO; + } + + return 0; +} + +static int ath6kl_wmi_aplist_event_rx(struct wmi *wmi, u8 *datap, int len) +{ + u16 ap_info_entry_size; + struct wmi_aplist_event *ev = (struct wmi_aplist_event *) datap; + struct wmi_ap_info_v1 *ap_info_v1; + u8 index; + + if (len < sizeof(struct wmi_aplist_event) || + ev->ap_list_ver != APLIST_VER1) + return -EINVAL; + + ap_info_entry_size = sizeof(struct wmi_ap_info_v1); + ap_info_v1 = (struct wmi_ap_info_v1 *) ev->ap_list; + + ath6kl_dbg(ATH6KL_DBG_WMI, + "number of APs in aplist event: %d\n", ev->num_ap); + + if (len < (int) (sizeof(struct wmi_aplist_event) + + (ev->num_ap - 1) * ap_info_entry_size)) + return -EINVAL; + + /* AP list version 1 contents */ + for (index = 0; index < ev->num_ap; index++) { + ath6kl_dbg(ATH6KL_DBG_WMI, "AP#%d BSSID %pM Channel %d\n", + index, ap_info_v1->bssid, ap_info_v1->channel); + ap_info_v1++; + } + + return 0; +} + +int ath6kl_wmi_cmd_send(struct wmi *wmi, struct sk_buff *skb, + enum wmi_cmd_id cmd_id, enum wmi_sync_flag sync_flag) +{ + struct wmi_cmd_hdr *cmd_hdr; + enum htc_endpoint_id ep_id = wmi->ep_id; + int ret; + + if (WARN_ON(skb == NULL)) + return -EINVAL; + + if (sync_flag >= END_WMIFLAG) { + dev_kfree_skb(skb); + return -EINVAL; + } + + if ((sync_flag == SYNC_BEFORE_WMIFLAG) || + (sync_flag == SYNC_BOTH_WMIFLAG)) { + /* + * Make sure all data currently queued is transmitted before + * the cmd execution. Establish a new sync point. + */ + ath6kl_wmi_sync_point(wmi); + } + + skb_push(skb, sizeof(struct wmi_cmd_hdr)); + + cmd_hdr = (struct wmi_cmd_hdr *) skb->data; + cmd_hdr->cmd_id = cpu_to_le16(cmd_id); + cmd_hdr->info1 = 0; /* added for virtual interface */ + + /* Only for OPT_TX_CMD, use BE endpoint. */ + if (cmd_id == WMI_OPT_TX_FRAME_CMDID) { + ret = ath6kl_wmi_data_hdr_add(wmi, skb, OPT_MSGTYPE, + false, false, 0, NULL); + if (ret) { + dev_kfree_skb(skb); + return ret; + } + ep_id = ath6kl_ac2_endpoint_id(wmi->parent_dev, WMM_AC_BE); + } + + ath6kl_control_tx(wmi->parent_dev, skb, ep_id); + + if ((sync_flag == SYNC_AFTER_WMIFLAG) || + (sync_flag == SYNC_BOTH_WMIFLAG)) { + /* + * Make sure all new data queued waits for the command to + * execute. Establish a new sync point. + */ + ath6kl_wmi_sync_point(wmi); + } + + return 0; +} + +int ath6kl_wmi_connect_cmd(struct wmi *wmi, enum network_type nw_type, + enum dot11_auth_mode dot11_auth_mode, + enum auth_mode auth_mode, + enum crypto_type pairwise_crypto, + u8 pairwise_crypto_len, + enum crypto_type group_crypto, + u8 group_crypto_len, int ssid_len, u8 *ssid, + u8 *bssid, u16 channel, u32 ctrl_flags) +{ + struct sk_buff *skb; + struct wmi_connect_cmd *cc; + int ret; + + wmi->traffic_class = 100; + + if ((pairwise_crypto == NONE_CRYPT) && (group_crypto != NONE_CRYPT)) + return -EINVAL; + + if ((pairwise_crypto != NONE_CRYPT) && (group_crypto == NONE_CRYPT)) + return -EINVAL; + + skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_connect_cmd)); + if (!skb) + return -ENOMEM; + + cc = (struct wmi_connect_cmd *) skb->data; + + if (ssid_len) + memcpy(cc->ssid, ssid, ssid_len); + + cc->ssid_len = ssid_len; + cc->nw_type = nw_type; + cc->dot11_auth_mode = dot11_auth_mode; + cc->auth_mode = auth_mode; + cc->prwise_crypto_type = pairwise_crypto; + cc->prwise_crypto_len = pairwise_crypto_len; + cc->grp_crypto_type = group_crypto; + cc->grp_crypto_len = group_crypto_len; + cc->ch = cpu_to_le16(channel); + cc->ctrl_flags = cpu_to_le32(ctrl_flags); + + if (bssid != NULL) + memcpy(cc->bssid, bssid, ETH_ALEN); + + wmi->pair_crypto_type = pairwise_crypto; + wmi->grp_crypto_type = group_crypto; + + ret = ath6kl_wmi_cmd_send(wmi, skb, WMI_CONNECT_CMDID, NO_SYNC_WMIFLAG); + + return ret; +} + +int ath6kl_wmi_reconnect_cmd(struct wmi *wmi, u8 *bssid, u16 channel) +{ + struct sk_buff *skb; + struct wmi_reconnect_cmd *cc; + int ret; + + wmi->traffic_class = 100; + + skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_reconnect_cmd)); + if (!skb) + return -ENOMEM; + + cc = (struct wmi_reconnect_cmd *) skb->data; + cc->channel = cpu_to_le16(channel); + + if (bssid != NULL) + memcpy(cc->bssid, bssid, ETH_ALEN); + + ret = ath6kl_wmi_cmd_send(wmi, skb, WMI_RECONNECT_CMDID, + NO_SYNC_WMIFLAG); + + return ret; +} + +int ath6kl_wmi_disconnect_cmd(struct wmi *wmi) +{ + int ret; + + wmi->traffic_class = 100; + + /* Disconnect command does not need to do a SYNC before. */ + ret = ath6kl_wmi_simple_cmd(wmi, WMI_DISCONNECT_CMDID); + + return ret; +} + +int ath6kl_wmi_startscan_cmd(struct wmi *wmi, enum wmi_scan_type scan_type, + u32 force_fgscan, u32 is_legacy, + u32 home_dwell_time, u32 force_scan_interval, + s8 num_chan, u16 *ch_list) +{ + struct sk_buff *skb; + struct wmi_start_scan_cmd *sc; + s8 size; + int ret; + + size = sizeof(struct wmi_start_scan_cmd); + + if ((scan_type != WMI_LONG_SCAN) && (scan_type != WMI_SHORT_SCAN)) + return -EINVAL; + + if (num_chan > WMI_MAX_CHANNELS) + return -EINVAL; + + if (num_chan) + size += sizeof(u16) * (num_chan - 1); + + skb = ath6kl_wmi_get_new_buf(size); + if (!skb) + return -ENOMEM; + + sc = (struct wmi_start_scan_cmd *) skb->data; + sc->scan_type = scan_type; + sc->force_fg_scan = cpu_to_le32(force_fgscan); + sc->is_legacy = cpu_to_le32(is_legacy); + sc->home_dwell_time = cpu_to_le32(home_dwell_time); + sc->force_scan_intvl = cpu_to_le32(force_scan_interval); + sc->num_ch = num_chan; + + if (num_chan) + memcpy(sc->ch_list, ch_list, num_chan * sizeof(u16)); + + ret = ath6kl_wmi_cmd_send(wmi, skb, WMI_START_SCAN_CMDID, + NO_SYNC_WMIFLAG); + + return ret; +} + +int ath6kl_wmi_scanparams_cmd(struct wmi *wmi, u16 fg_start_sec, + u16 fg_end_sec, u16 bg_sec, + u16 minact_chdw_msec, u16 maxact_chdw_msec, + u16 pas_chdw_msec, u8 short_scan_ratio, + u8 scan_ctrl_flag, u32 max_dfsch_act_time, + u16 maxact_scan_per_ssid) +{ + struct sk_buff *skb; + struct wmi_scan_params_cmd *sc; + int ret; + + skb = ath6kl_wmi_get_new_buf(sizeof(*sc)); + if (!skb) + return -ENOMEM; + + sc = (struct wmi_scan_params_cmd *) skb->data; + sc->fg_start_period = cpu_to_le16(fg_start_sec); + sc->fg_end_period = cpu_to_le16(fg_end_sec); + sc->bg_period = cpu_to_le16(bg_sec); + sc->minact_chdwell_time = cpu_to_le16(minact_chdw_msec); + sc->maxact_chdwell_time = cpu_to_le16(maxact_chdw_msec); + sc->pas_chdwell_time = cpu_to_le16(pas_chdw_msec); + sc->short_scan_ratio = short_scan_ratio; + sc->scan_ctrl_flags = scan_ctrl_flag; + sc->max_dfsch_act_time = cpu_to_le32(max_dfsch_act_time); + sc->maxact_scan_per_ssid = cpu_to_le16(maxact_scan_per_ssid); + + ret = ath6kl_wmi_cmd_send(wmi, skb, WMI_SET_SCAN_PARAMS_CMDID, + NO_SYNC_WMIFLAG); + return ret; +} + +int ath6kl_wmi_bssfilter_cmd(struct wmi *wmi, u8 filter, u32 ie_mask) +{ + struct sk_buff *skb; + struct wmi_bss_filter_cmd *cmd; + int ret; + + if (filter >= LAST_BSS_FILTER) + return -EINVAL; + + skb = ath6kl_wmi_get_new_buf(sizeof(*cmd)); + if (!skb) + return -ENOMEM; + + cmd = (struct wmi_bss_filter_cmd *) skb->data; + cmd->bss_filter = filter; + cmd->ie_mask = cpu_to_le32(ie_mask); + + ret = ath6kl_wmi_cmd_send(wmi, skb, WMI_SET_BSS_FILTER_CMDID, + NO_SYNC_WMIFLAG); + return ret; +} + +int ath6kl_wmi_probedssid_cmd(struct wmi *wmi, u8 index, u8 flag, + u8 ssid_len, u8 *ssid) +{ + struct sk_buff *skb; + struct wmi_probed_ssid_cmd *cmd; + int ret; + + if (index > MAX_PROBED_SSID_INDEX) + return -EINVAL; + + if (ssid_len > sizeof(cmd->ssid)) + return -EINVAL; + + if ((flag & (DISABLE_SSID_FLAG | ANY_SSID_FLAG)) && (ssid_len > 0)) + return -EINVAL; + + if ((flag & SPECIFIC_SSID_FLAG) && !ssid_len) + return -EINVAL; + + if (flag & SPECIFIC_SSID_FLAG) + wmi->is_probe_ssid = true; + + skb = ath6kl_wmi_get_new_buf(sizeof(*cmd)); + if (!skb) + return -ENOMEM; + + cmd = (struct wmi_probed_ssid_cmd *) skb->data; + cmd->entry_index = index; + cmd->flag = flag; + cmd->ssid_len = ssid_len; + memcpy(cmd->ssid, ssid, ssid_len); + + ret = ath6kl_wmi_cmd_send(wmi, skb, WMI_SET_PROBED_SSID_CMDID, + NO_SYNC_WMIFLAG); + return ret; +} + +int ath6kl_wmi_listeninterval_cmd(struct wmi *wmi, u16 listen_interval, + u16 listen_beacons) +{ + struct sk_buff *skb; + struct wmi_listen_int_cmd *cmd; + int ret; + + skb = ath6kl_wmi_get_new_buf(sizeof(*cmd)); + if (!skb) + return -ENOMEM; + + cmd = (struct wmi_listen_int_cmd *) skb->data; + cmd->listen_intvl = cpu_to_le16(listen_interval); + cmd->num_beacons = cpu_to_le16(listen_beacons); + + ret = ath6kl_wmi_cmd_send(wmi, skb, WMI_SET_LISTEN_INT_CMDID, + NO_SYNC_WMIFLAG); + return ret; +} + +int ath6kl_wmi_powermode_cmd(struct wmi *wmi, u8 pwr_mode) +{ + struct sk_buff *skb; + struct wmi_power_mode_cmd *cmd; + int ret; + + skb = ath6kl_wmi_get_new_buf(sizeof(*cmd)); + if (!skb) + return -ENOMEM; + + cmd = (struct wmi_power_mode_cmd *) skb->data; + cmd->pwr_mode = pwr_mode; + wmi->pwr_mode = pwr_mode; + + ret = ath6kl_wmi_cmd_send(wmi, skb, WMI_SET_POWER_MODE_CMDID, + NO_SYNC_WMIFLAG); + return ret; +} + +int ath6kl_wmi_pmparams_cmd(struct wmi *wmi, u16 idle_period, + u16 ps_poll_num, u16 dtim_policy, + u16 tx_wakeup_policy, u16 num_tx_to_wakeup, + u16 ps_fail_event_policy) +{ + struct sk_buff *skb; + struct wmi_power_params_cmd *pm; + int ret; + + skb = ath6kl_wmi_get_new_buf(sizeof(*pm)); + if (!skb) + return -ENOMEM; + + pm = (struct wmi_power_params_cmd *)skb->data; + pm->idle_period = cpu_to_le16(idle_period); + pm->pspoll_number = cpu_to_le16(ps_poll_num); + pm->dtim_policy = cpu_to_le16(dtim_policy); + pm->tx_wakeup_policy = cpu_to_le16(tx_wakeup_policy); + pm->num_tx_to_wakeup = cpu_to_le16(num_tx_to_wakeup); + pm->ps_fail_event_policy = cpu_to_le16(ps_fail_event_policy); + + ret = ath6kl_wmi_cmd_send(wmi, skb, WMI_SET_POWER_PARAMS_CMDID, + NO_SYNC_WMIFLAG); + return ret; +} + +int ath6kl_wmi_disctimeout_cmd(struct wmi *wmi, u8 timeout) +{ + struct sk_buff *skb; + struct wmi_disc_timeout_cmd *cmd; + int ret; + + skb = ath6kl_wmi_get_new_buf(sizeof(*cmd)); + if (!skb) + return -ENOMEM; + + cmd = (struct wmi_disc_timeout_cmd *) skb->data; + cmd->discon_timeout = timeout; + + ret = ath6kl_wmi_cmd_send(wmi, skb, WMI_SET_DISC_TIMEOUT_CMDID, + NO_SYNC_WMIFLAG); + return ret; +} + +int ath6kl_wmi_addkey_cmd(struct wmi *wmi, u8 key_index, + enum crypto_type key_type, + u8 key_usage, u8 key_len, + u8 *key_rsc, u8 *key_material, + u8 key_op_ctrl, u8 *mac_addr, + enum wmi_sync_flag sync_flag) +{ + struct sk_buff *skb; + struct wmi_add_cipher_key_cmd *cmd; + int ret; + + if ((key_index > WMI_MAX_KEY_INDEX) || (key_len > WMI_MAX_KEY_LEN) || + (key_material == NULL)) + return -EINVAL; + + if ((WEP_CRYPT != key_type) && (NULL == key_rsc)) + return -EINVAL; + + skb = ath6kl_wmi_get_new_buf(sizeof(*cmd)); + if (!skb) + return -ENOMEM; + + cmd = (struct wmi_add_cipher_key_cmd *) skb->data; + cmd->key_index = key_index; + cmd->key_type = key_type; + cmd->key_usage = key_usage; + cmd->key_len = key_len; + memcpy(cmd->key, key_material, key_len); + + if (key_rsc != NULL) + memcpy(cmd->key_rsc, key_rsc, sizeof(cmd->key_rsc)); + + cmd->key_op_ctrl = key_op_ctrl; + + if (mac_addr) + memcpy(cmd->key_mac_addr, mac_addr, ETH_ALEN); + + ret = ath6kl_wmi_cmd_send(wmi, skb, WMI_ADD_CIPHER_KEY_CMDID, + sync_flag); + + return ret; +} + +int ath6kl_wmi_add_krk_cmd(struct wmi *wmi, u8 *krk) +{ + struct sk_buff *skb; + struct wmi_add_krk_cmd *cmd; + int ret; + + skb = ath6kl_wmi_get_new_buf(sizeof(*cmd)); + if (!skb) + return -ENOMEM; + + cmd = (struct wmi_add_krk_cmd *) skb->data; + memcpy(cmd->krk, krk, WMI_KRK_LEN); + + ret = ath6kl_wmi_cmd_send(wmi, skb, WMI_ADD_KRK_CMDID, NO_SYNC_WMIFLAG); + + return ret; +} + +int ath6kl_wmi_deletekey_cmd(struct wmi *wmi, u8 key_index) +{ + struct sk_buff *skb; + struct wmi_delete_cipher_key_cmd *cmd; + int ret; + + if (key_index > WMI_MAX_KEY_INDEX) + return -EINVAL; + + skb = ath6kl_wmi_get_new_buf(sizeof(*cmd)); + if (!skb) + return -ENOMEM; + + cmd = (struct wmi_delete_cipher_key_cmd *) skb->data; + cmd->key_index = key_index; + + ret = ath6kl_wmi_cmd_send(wmi, skb, WMI_DELETE_CIPHER_KEY_CMDID, + NO_SYNC_WMIFLAG); + + return ret; +} + +int ath6kl_wmi_setpmkid_cmd(struct wmi *wmi, const u8 *bssid, + const u8 *pmkid, bool set) +{ + struct sk_buff *skb; + struct wmi_setpmkid_cmd *cmd; + int ret; + + if (bssid == NULL) + return -EINVAL; + + if (set && pmkid == NULL) + return -EINVAL; + + skb = ath6kl_wmi_get_new_buf(sizeof(*cmd)); + if (!skb) + return -ENOMEM; + + cmd = (struct wmi_setpmkid_cmd *) skb->data; + memcpy(cmd->bssid, bssid, ETH_ALEN); + if (set) { + memcpy(cmd->pmkid, pmkid, sizeof(cmd->pmkid)); + cmd->enable = PMKID_ENABLE; + } else { + memset(cmd->pmkid, 0, sizeof(cmd->pmkid)); + cmd->enable = PMKID_DISABLE; + } + + ret = ath6kl_wmi_cmd_send(wmi, skb, WMI_SET_PMKID_CMDID, + NO_SYNC_WMIFLAG); + + return ret; +} + +static int ath6kl_wmi_data_sync_send(struct wmi *wmi, struct sk_buff *skb, + enum htc_endpoint_id ep_id) +{ + struct wmi_data_hdr *data_hdr; + int ret; + + if (WARN_ON(skb == NULL || ep_id == wmi->ep_id)) + return -EINVAL; + + skb_push(skb, sizeof(struct wmi_data_hdr)); + + data_hdr = (struct wmi_data_hdr *) skb->data; + data_hdr->info = SYNC_MSGTYPE << WMI_DATA_HDR_MSG_TYPE_SHIFT; + data_hdr->info3 = 0; + + ret = ath6kl_control_tx(wmi->parent_dev, skb, ep_id); + + return ret; +} + +static int ath6kl_wmi_sync_point(struct wmi *wmi) +{ + struct sk_buff *skb; + struct wmi_sync_cmd *cmd; + struct wmi_data_sync_bufs data_sync_bufs[WMM_NUM_AC]; + enum htc_endpoint_id ep_id; + u8 index, num_pri_streams = 0; + int ret = 0; + + memset(data_sync_bufs, 0, sizeof(data_sync_bufs)); + + spin_lock_bh(&wmi->lock); + + for (index = 0; index < WMM_NUM_AC; index++) { + if (wmi->fat_pipe_exist & (1 << index)) { + num_pri_streams++; + data_sync_bufs[num_pri_streams - 1].traffic_class = + index; + } + } + + spin_unlock_bh(&wmi->lock); + + skb = ath6kl_wmi_get_new_buf(sizeof(*cmd)); + if (!skb) { + ret = -ENOMEM; + goto free_skb; + } + + cmd = (struct wmi_sync_cmd *) skb->data; + + /* + * In the SYNC cmd sent on the control Ep, send a bitmap + * of the data eps on which the Data Sync will be sent + */ + cmd->data_sync_map = wmi->fat_pipe_exist; + + for (index = 0; index < num_pri_streams; index++) { + data_sync_bufs[index].skb = ath6kl_buf_alloc(0); + if (data_sync_bufs[index].skb == NULL) { + ret = -ENOMEM; + break; + } + } + + /* + * If buffer allocation for any of the dataSync fails, + * then do not send the Synchronize cmd on the control ep + */ + if (ret) + goto free_skb; + + /* + * Send sync cmd followed by sync data messages on all + * endpoints being used + */ + ret = ath6kl_wmi_cmd_send(wmi, skb, WMI_SYNCHRONIZE_CMDID, + NO_SYNC_WMIFLAG); + + if (ret) + goto free_skb; + + /* cmd buffer sent, we no longer own it */ + skb = NULL; + + for (index = 0; index < num_pri_streams; index++) { + + if (WARN_ON(!data_sync_bufs[index].skb)) + break; + + ep_id = ath6kl_ac2_endpoint_id(wmi->parent_dev, + data_sync_bufs[index]. + traffic_class); + ret = + ath6kl_wmi_data_sync_send(wmi, data_sync_bufs[index].skb, + ep_id); + + if (ret) + break; + + data_sync_bufs[index].skb = NULL; + } + +free_skb: + /* free up any resources left over (possibly due to an error) */ + if (skb) + dev_kfree_skb(skb); + + for (index = 0; index < num_pri_streams; index++) { + if (data_sync_bufs[index].skb != NULL) { + dev_kfree_skb((struct sk_buff *)data_sync_bufs[index]. + skb); + } + } + + return ret; +} + +int ath6kl_wmi_create_pstream_cmd(struct wmi *wmi, + struct wmi_create_pstream_cmd *params) +{ + struct sk_buff *skb; + struct wmi_create_pstream_cmd *cmd; + u8 fatpipe_exist_for_ac = 0; + s32 min_phy = 0; + s32 nominal_phy = 0; + int ret; + + if (!((params->user_pri < 8) && + (params->user_pri <= 0x7) && + (up_to_ac[params->user_pri & 0x7] == params->traffic_class) && + (params->traffic_direc == UPLINK_TRAFFIC || + params->traffic_direc == DNLINK_TRAFFIC || + params->traffic_direc == BIDIR_TRAFFIC) && + (params->traffic_type == TRAFFIC_TYPE_APERIODIC || + params->traffic_type == TRAFFIC_TYPE_PERIODIC) && + (params->voice_psc_cap == DISABLE_FOR_THIS_AC || + params->voice_psc_cap == ENABLE_FOR_THIS_AC || + params->voice_psc_cap == ENABLE_FOR_ALL_AC) && + (params->tsid == WMI_IMPLICIT_PSTREAM || + params->tsid <= WMI_MAX_THINSTREAM))) { + return -EINVAL; + } + + /* + * Check nominal PHY rate is >= minimalPHY, + * so that DUT can allow TSRS IE + */ + + /* Get the physical rate (units of bps) */ + min_phy = ((le32_to_cpu(params->min_phy_rate) / 1000) / 1000); + + /* Check minimal phy < nominal phy rate */ + if (params->nominal_phy >= min_phy) { + /* unit of 500 kbps */ + nominal_phy = (params->nominal_phy * 1000) / 500; + ath6kl_dbg(ATH6KL_DBG_WMI, + "TSRS IE enabled::MinPhy %x->NominalPhy ===> %x\n", + min_phy, nominal_phy); + + params->nominal_phy = nominal_phy; + } else { + params->nominal_phy = 0; + } + + skb = ath6kl_wmi_get_new_buf(sizeof(*cmd)); + if (!skb) + return -ENOMEM; + + ath6kl_dbg(ATH6KL_DBG_WMI, + "sending create_pstream_cmd: ac=%d tsid:%d\n", + params->traffic_class, params->tsid); + + cmd = (struct wmi_create_pstream_cmd *) skb->data; + memcpy(cmd, params, sizeof(*cmd)); + + /* This is an implicitly created Fat pipe */ + if ((u32) params->tsid == (u32) WMI_IMPLICIT_PSTREAM) { + spin_lock_bh(&wmi->lock); + fatpipe_exist_for_ac = (wmi->fat_pipe_exist & + (1 << params->traffic_class)); + wmi->fat_pipe_exist |= (1 << params->traffic_class); + spin_unlock_bh(&wmi->lock); + } else { + /* explicitly created thin stream within a fat pipe */ + spin_lock_bh(&wmi->lock); + fatpipe_exist_for_ac = (wmi->fat_pipe_exist & + (1 << params->traffic_class)); + wmi->stream_exist_for_ac[params->traffic_class] |= + (1 << params->tsid); + /* + * If a thinstream becomes active, the fat pipe automatically + * becomes active + */ + wmi->fat_pipe_exist |= (1 << params->traffic_class); + spin_unlock_bh(&wmi->lock); + } + + /* + * Indicate activty change to driver layer only if this is the + * first TSID to get created in this AC explicitly or an implicit + * fat pipe is getting created. + */ + if (!fatpipe_exist_for_ac) + ath6kl_indicate_tx_activity(wmi->parent_dev, + params->traffic_class, true); + + ret = ath6kl_wmi_cmd_send(wmi, skb, WMI_CREATE_PSTREAM_CMDID, + NO_SYNC_WMIFLAG); + return ret; +} + +int ath6kl_wmi_delete_pstream_cmd(struct wmi *wmi, u8 traffic_class, u8 tsid) +{ + struct sk_buff *skb; + struct wmi_delete_pstream_cmd *cmd; + u16 active_tsids = 0; + int ret; + + if (traffic_class > 3) { + ath6kl_err("invalid traffic class: %d\n", traffic_class); + return -EINVAL; + } + + skb = ath6kl_wmi_get_new_buf(sizeof(*cmd)); + if (!skb) + return -ENOMEM; + + cmd = (struct wmi_delete_pstream_cmd *) skb->data; + cmd->traffic_class = traffic_class; + cmd->tsid = tsid; + + spin_lock_bh(&wmi->lock); + active_tsids = wmi->stream_exist_for_ac[traffic_class]; + spin_unlock_bh(&wmi->lock); + + if (!(active_tsids & (1 << tsid))) { + dev_kfree_skb(skb); + ath6kl_dbg(ATH6KL_DBG_WMI, + "TSID %d doesn't exist for traffic class: %d\n", + tsid, traffic_class); + return -ENODATA; + } + + ath6kl_dbg(ATH6KL_DBG_WMI, + "sending delete_pstream_cmd: traffic class: %d tsid=%d\n", + traffic_class, tsid); + + ret = ath6kl_wmi_cmd_send(wmi, skb, WMI_DELETE_PSTREAM_CMDID, + SYNC_BEFORE_WMIFLAG); + + spin_lock_bh(&wmi->lock); + wmi->stream_exist_for_ac[traffic_class] &= ~(1 << tsid); + active_tsids = wmi->stream_exist_for_ac[traffic_class]; + spin_unlock_bh(&wmi->lock); + + /* + * Indicate stream inactivity to driver layer only if all tsids + * within this AC are deleted. + */ + if (!active_tsids) { + ath6kl_indicate_tx_activity(wmi->parent_dev, + traffic_class, false); + wmi->fat_pipe_exist &= ~(1 << traffic_class); + } + + return ret; +} + +int ath6kl_wmi_set_ip_cmd(struct wmi *wmi, struct wmi_set_ip_cmd *ip_cmd) +{ + struct sk_buff *skb; + struct wmi_set_ip_cmd *cmd; + int ret; + + /* Multicast address are not valid */ + if ((*((u8 *) &ip_cmd->ips[0]) >= 0xE0) || + (*((u8 *) &ip_cmd->ips[1]) >= 0xE0)) + return -EINVAL; + + skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_ip_cmd)); + if (!skb) + return -ENOMEM; + + cmd = (struct wmi_set_ip_cmd *) skb->data; + memcpy(cmd, ip_cmd, sizeof(struct wmi_set_ip_cmd)); + + ret = ath6kl_wmi_cmd_send(wmi, skb, WMI_SET_IP_CMDID, NO_SYNC_WMIFLAG); + return ret; +} + +static int ath6kl_wmi_get_wow_list_event_rx(struct wmi *wmi, u8 * datap, + int len) +{ + if (len < sizeof(struct wmi_get_wow_list_reply)) + return -EINVAL; + + return 0; +} + +static int ath6kl_wmi_cmd_send_xtnd(struct wmi *wmi, struct sk_buff *skb, + enum wmix_command_id cmd_id, + enum wmi_sync_flag sync_flag) +{ + struct wmix_cmd_hdr *cmd_hdr; + int ret; + + skb_push(skb, sizeof(struct wmix_cmd_hdr)); + + cmd_hdr = (struct wmix_cmd_hdr *) skb->data; + cmd_hdr->cmd_id = cpu_to_le32(cmd_id); + + ret = ath6kl_wmi_cmd_send(wmi, skb, WMI_EXTENSION_CMDID, sync_flag); + + return ret; +} + +int ath6kl_wmi_get_challenge_resp_cmd(struct wmi *wmi, u32 cookie, u32 source) +{ + struct sk_buff *skb; + struct wmix_hb_challenge_resp_cmd *cmd; + int ret; + + skb = ath6kl_wmi_get_new_buf(sizeof(*cmd)); + if (!skb) + return -ENOMEM; + + cmd = (struct wmix_hb_challenge_resp_cmd *) skb->data; + cmd->cookie = cpu_to_le32(cookie); + cmd->source = cpu_to_le32(source); + + ret = ath6kl_wmi_cmd_send_xtnd(wmi, skb, WMIX_HB_CHALLENGE_RESP_CMDID, + NO_SYNC_WMIFLAG); + return ret; +} + +int ath6kl_wmi_get_stats_cmd(struct wmi *wmi) +{ + return ath6kl_wmi_simple_cmd(wmi, WMI_GET_STATISTICS_CMDID); +} + +int ath6kl_wmi_set_tx_pwr_cmd(struct wmi *wmi, u8 dbM) +{ + struct sk_buff *skb; + struct wmi_set_tx_pwr_cmd *cmd; + int ret; + + skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_tx_pwr_cmd)); + if (!skb) + return -ENOMEM; + + cmd = (struct wmi_set_tx_pwr_cmd *) skb->data; + cmd->dbM = dbM; + + ret = ath6kl_wmi_cmd_send(wmi, skb, WMI_SET_TX_PWR_CMDID, + NO_SYNC_WMIFLAG); + + return ret; +} + +int ath6kl_wmi_get_tx_pwr_cmd(struct wmi *wmi) +{ + return ath6kl_wmi_simple_cmd(wmi, WMI_GET_TX_PWR_CMDID); +} + +void ath6kl_wmi_get_current_bssid(struct wmi *wmi, u8 *bssid) +{ + if (bssid) + memcpy(bssid, wmi->bssid, ETH_ALEN); +} + +int ath6kl_wmi_set_lpreamble_cmd(struct wmi *wmi, u8 status, u8 preamble_policy) +{ + struct sk_buff *skb; + struct wmi_set_lpreamble_cmd *cmd; + int ret; + + skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_lpreamble_cmd)); + if (!skb) + return -ENOMEM; + + cmd = (struct wmi_set_lpreamble_cmd *) skb->data; + cmd->status = status; + cmd->preamble_policy = preamble_policy; + + ret = ath6kl_wmi_cmd_send(wmi, skb, WMI_SET_LPREAMBLE_CMDID, + NO_SYNC_WMIFLAG); + return ret; +} + +int ath6kl_wmi_set_rts_cmd(struct wmi *wmi, u16 threshold) +{ + struct sk_buff *skb; + struct wmi_set_rts_cmd *cmd; + int ret; + + skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_rts_cmd)); + if (!skb) + return -ENOMEM; + + cmd = (struct wmi_set_rts_cmd *) skb->data; + cmd->threshold = cpu_to_le16(threshold); + + ret = ath6kl_wmi_cmd_send(wmi, skb, WMI_SET_RTS_CMDID, NO_SYNC_WMIFLAG); + return ret; +} + +int ath6kl_wmi_set_wmm_txop(struct wmi *wmi, enum wmi_txop_cfg cfg) +{ + struct sk_buff *skb; + struct wmi_set_wmm_txop_cmd *cmd; + int ret; + + if (!((cfg == WMI_TXOP_DISABLED) || (cfg == WMI_TXOP_ENABLED))) + return -EINVAL; + + skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_wmm_txop_cmd)); + if (!skb) + return -ENOMEM; + + cmd = (struct wmi_set_wmm_txop_cmd *) skb->data; + cmd->txop_enable = cfg; + + ret = ath6kl_wmi_cmd_send(wmi, skb, WMI_SET_WMM_TXOP_CMDID, + NO_SYNC_WMIFLAG); + return ret; +} + +int ath6kl_wmi_set_keepalive_cmd(struct wmi *wmi, u8 keep_alive_intvl) +{ + struct sk_buff *skb; + struct wmi_set_keepalive_cmd *cmd; + int ret; + + skb = ath6kl_wmi_get_new_buf(sizeof(*cmd)); + if (!skb) + return -ENOMEM; + + cmd = (struct wmi_set_keepalive_cmd *) skb->data; + cmd->keep_alive_intvl = keep_alive_intvl; + wmi->keep_alive_intvl = keep_alive_intvl; + + ret = ath6kl_wmi_cmd_send(wmi, skb, WMI_SET_KEEPALIVE_CMDID, + NO_SYNC_WMIFLAG); + return ret; +} + +s32 ath6kl_wmi_get_rate(s8 rate_index) +{ + if (rate_index == RATE_AUTO) + return 0; + + return wmi_rate_tbl[(u32) rate_index][0]; +} + +void ath6kl_wmi_node_return(struct wmi *wmi, struct bss *bss) +{ + if (bss) + wlan_node_return(&wmi->scan_table, bss); +} + +struct bss *ath6kl_wmi_find_ssid_node(struct wmi *wmi, u8 * ssid, + u32 ssid_len, bool is_wpa2, + bool match_ssid) +{ + struct bss *node = NULL; + + node = wlan_find_ssid_node(&wmi->scan_table, ssid, + ssid_len, is_wpa2, match_ssid); + return node; +} + +struct bss *ath6kl_wmi_find_node(struct wmi *wmi, const u8 * mac_addr) +{ + struct bss *ni = NULL; + + ni = wlan_find_node(&wmi->scan_table, mac_addr); + + return ni; +} + +void ath6kl_wmi_node_free(struct wmi *wmi, const u8 * mac_addr) +{ + struct bss *ni = NULL; + + ni = wlan_find_node(&wmi->scan_table, mac_addr); + if (ni != NULL) + wlan_node_reclaim(&wmi->scan_table, ni); + + return; +} + +static int ath6kl_wmi_get_pmkid_list_event_rx(struct wmi *wmi, u8 *datap, + u32 len) +{ + struct wmi_pmkid_list_reply *reply; + u32 expected_len; + + if (len < sizeof(struct wmi_pmkid_list_reply)) + return -EINVAL; + + reply = (struct wmi_pmkid_list_reply *)datap; + expected_len = sizeof(reply->num_pmkid) + + le32_to_cpu(reply->num_pmkid) * WMI_PMKID_LEN; + + if (len < expected_len) + return -EINVAL; + + return 0; +} + +static int ath6kl_wmi_addba_req_event_rx(struct wmi *wmi, u8 *datap, int len) +{ + struct wmi_addba_req_event *cmd = (struct wmi_addba_req_event *) datap; + + aggr_recv_addba_req_evt(wmi->parent_dev, cmd->tid, + le16_to_cpu(cmd->st_seq_no), cmd->win_sz); + + return 0; +} + +static int ath6kl_wmi_delba_req_event_rx(struct wmi *wmi, u8 *datap, int len) +{ + struct wmi_delba_event *cmd = (struct wmi_delba_event *) datap; + + aggr_recv_delba_req_evt(wmi->parent_dev, cmd->tid); + + return 0; +} + +/* AP mode functions */ +static int ath6kl_wmi_pspoll_event_rx(struct wmi *wmi, u8 *datap, int len) +{ + struct wmi_pspoll_event *ev; + + if (len < sizeof(struct wmi_pspoll_event)) + return -EINVAL; + + ev = (struct wmi_pspoll_event *) datap; + + ath6kl_pspoll_event(wmi->parent_dev, le16_to_cpu(ev->aid)); + + return 0; +} + +static int ath6kl_wmi_dtimexpiry_event_rx(struct wmi *wmi, u8 *datap, int len) +{ + ath6kl_dtimexpiry_event(wmi->parent_dev); + + return 0; +} + +int ath6kl_wmi_set_pvb_cmd(struct wmi *wmi, u16 aid, bool flag) +{ + struct sk_buff *skb; + struct wmi_ap_set_pvb_cmd *cmd; + int ret; + + skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_ap_set_pvb_cmd)); + if (!skb) + return -ENOMEM; + + cmd = (struct wmi_ap_set_pvb_cmd *) skb->data; + cmd->aid = cpu_to_le16(aid); + cmd->flag = cpu_to_le32(flag); + + ret = ath6kl_wmi_cmd_send(wmi, skb, WMI_AP_SET_PVB_CMDID, + NO_SYNC_WMIFLAG); + + return 0; +} + +int ath6kl_wmi_set_rx_frame_format_cmd(struct wmi *wmi, u8 rx_meta_ver, + bool rx_dot11_hdr, bool defrag_on_host) +{ + struct sk_buff *skb; + struct wmi_rx_frame_format_cmd *cmd; + int ret; + + skb = ath6kl_wmi_get_new_buf(sizeof(*cmd)); + if (!skb) + return -ENOMEM; + + cmd = (struct wmi_rx_frame_format_cmd *) skb->data; + cmd->dot11_hdr = rx_dot11_hdr ? 1 : 0; + cmd->defrag_on_host = defrag_on_host ? 1 : 0; + cmd->meta_ver = rx_meta_ver; + + /* Delete the local aggr state, on host */ + ret = ath6kl_wmi_cmd_send(wmi, skb, WMI_RX_FRAME_FORMAT_CMDID, + NO_SYNC_WMIFLAG); + + return ret; +} + +static int ath6kl_wmi_control_rx_xtnd(struct wmi *wmi, struct sk_buff *skb) +{ + struct wmix_cmd_hdr *cmd; + u32 len; + u16 id; + u8 *datap; + int ret = 0; + + if (skb->len < sizeof(struct wmix_cmd_hdr)) { + ath6kl_err("%s: bad packet 1\n", __func__); + wmi->stat.cmd_len_err++; + return -EINVAL; + } + + cmd = (struct wmix_cmd_hdr *) skb->data; + id = le32_to_cpu(cmd->cmd_id); + + skb_pull(skb, sizeof(struct wmix_cmd_hdr)); + + datap = skb->data; + len = skb->len; + + switch (id) { + case WMIX_HB_CHALLENGE_RESP_EVENTID: + break; + case WMIX_DBGLOG_EVENTID: + break; + default: + ath6kl_err("%s: unknown cmd id 0x%x\n", __func__, id); + wmi->stat.cmd_id_err++; + ret = -EINVAL; + break; + } + + return ret; +} + +/* Control Path */ +int ath6kl_wmi_control_rx(struct wmi *wmi, struct sk_buff *skb) +{ + struct wmi_cmd_hdr *cmd; + u32 len; + u16 id; + u8 *datap; + int ret = 0; + + if (WARN_ON(skb == NULL)) + return -EINVAL; + + if (skb->len < sizeof(struct wmi_cmd_hdr)) { + ath6kl_err("%s: bad packet 1\n", __func__); + dev_kfree_skb(skb); + wmi->stat.cmd_len_err++; + return -EINVAL; + } + + cmd = (struct wmi_cmd_hdr *) skb->data; + id = le16_to_cpu(cmd->cmd_id); + + skb_pull(skb, sizeof(struct wmi_cmd_hdr)); + + datap = skb->data; + len = skb->len; + + ath6kl_dbg(ATH6KL_DBG_WMI, "%s: wmi id: %d\n", __func__, id); + ath6kl_dbg_dump(ATH6KL_DBG_RAW_BYTES, "msg payload ", datap, len); + + switch (id) { + case WMI_GET_BITRATE_CMDID: + ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_BITRATE_CMDID\n"); + ret = ath6kl_wmi_bitrate_reply_rx(wmi, datap, len); + break; + case WMI_GET_CHANNEL_LIST_CMDID: + ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_CHANNEL_LIST_CMDID\n"); + ret = ath6kl_wmi_ch_list_reply_rx(wmi, datap, len); + break; + case WMI_GET_TX_PWR_CMDID: + ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_TX_PWR_CMDID\n"); + ret = ath6kl_wmi_tx_pwr_reply_rx(wmi, datap, len); + break; + case WMI_READY_EVENTID: + ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_READY_EVENTID\n"); + ret = ath6kl_wmi_ready_event_rx(wmi, datap, len); + break; + case WMI_CONNECT_EVENTID: + ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CONNECT_EVENTID\n"); + ret = ath6kl_wmi_connect_event_rx(wmi, datap, len); + break; + case WMI_DISCONNECT_EVENTID: + ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_DISCONNECT_EVENTID\n"); + ret = ath6kl_wmi_disconnect_event_rx(wmi, datap, len); + break; + case WMI_PEER_NODE_EVENTID: + ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_PEER_NODE_EVENTID\n"); + ret = ath6kl_wmi_peer_node_event_rx(wmi, datap, len); + break; + case WMI_TKIP_MICERR_EVENTID: + ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TKIP_MICERR_EVENTID\n"); + ret = ath6kl_wmi_tkip_micerr_event_rx(wmi, datap, len); + break; + case WMI_BSSINFO_EVENTID: + ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_BSSINFO_EVENTID\n"); + ath6kl_wmi_convert_bssinfo_hdr2_to_hdr(skb, datap); + ret = ath6kl_wmi_bssinfo_event_rx(wmi, skb->data, skb->len); + break; + case WMI_REGDOMAIN_EVENTID: + ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REGDOMAIN_EVENTID\n"); + break; + case WMI_PSTREAM_TIMEOUT_EVENTID: + ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_PSTREAM_TIMEOUT_EVENTID\n"); + ret = ath6kl_wmi_pstream_timeout_event_rx(wmi, datap, len); + break; + case WMI_NEIGHBOR_REPORT_EVENTID: + ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_NEIGHBOR_REPORT_EVENTID\n"); + break; + case WMI_SCAN_COMPLETE_EVENTID: + ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_SCAN_COMPLETE_EVENTID\n"); + ret = ath6kl_wmi_scan_complete_rx(wmi, datap, len); + break; + case WMI_CMDERROR_EVENTID: + ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CMDERROR_EVENTID\n"); + ret = ath6kl_wmi_error_event_rx(wmi, datap, len); + break; + case WMI_REPORT_STATISTICS_EVENTID: + ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REPORT_STATISTICS_EVENTID\n"); + ret = ath6kl_wmi_stats_event_rx(wmi, datap, len); + break; + case WMI_RSSI_THRESHOLD_EVENTID: + ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_RSSI_THRESHOLD_EVENTID\n"); + ret = ath6kl_wmi_rssi_threshold_event_rx(wmi, datap, len); + break; + case WMI_ERROR_REPORT_EVENTID: + ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_ERROR_REPORT_EVENTID\n"); + break; + case WMI_OPT_RX_FRAME_EVENTID: + ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_OPT_RX_FRAME_EVENTID\n"); + ret = ath6kl_wmi_opt_frame_event_rx(wmi, datap, len); + break; + case WMI_REPORT_ROAM_TBL_EVENTID: + ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REPORT_ROAM_TBL_EVENTID\n"); + break; + case WMI_EXTENSION_EVENTID: + ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_EXTENSION_EVENTID\n"); + ret = ath6kl_wmi_control_rx_xtnd(wmi, skb); + break; + case WMI_CAC_EVENTID: + ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CAC_EVENTID\n"); + ret = ath6kl_wmi_cac_event_rx(wmi, datap, len); + break; + case WMI_CHANNEL_CHANGE_EVENTID: + ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CHANNEL_CHANGE_EVENTID\n"); + break; + case WMI_REPORT_ROAM_DATA_EVENTID: + ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REPORT_ROAM_DATA_EVENTID\n"); + break; + case WMI_GET_FIXRATES_CMDID: + ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_FIXRATES_CMDID\n"); + ret = ath6kl_wmi_ratemask_reply_rx(wmi, datap, len); + break; + case WMI_TX_RETRY_ERR_EVENTID: + ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TX_RETRY_ERR_EVENTID\n"); + break; + case WMI_SNR_THRESHOLD_EVENTID: + ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_SNR_THRESHOLD_EVENTID\n"); + ret = ath6kl_wmi_snr_threshold_event_rx(wmi, datap, len); + break; + case WMI_LQ_THRESHOLD_EVENTID: + ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_LQ_THRESHOLD_EVENTID\n"); + break; + case WMI_APLIST_EVENTID: + ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_APLIST_EVENTID\n"); + ret = ath6kl_wmi_aplist_event_rx(wmi, datap, len); + break; + case WMI_GET_KEEPALIVE_CMDID: + ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_KEEPALIVE_CMDID\n"); + ret = ath6kl_wmi_keepalive_reply_rx(wmi, datap, len); + break; + case WMI_GET_WOW_LIST_EVENTID: + ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_WOW_LIST_EVENTID\n"); + ret = ath6kl_wmi_get_wow_list_event_rx(wmi, datap, len); + break; + case WMI_GET_PMKID_LIST_EVENTID: + ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_PMKID_LIST_EVENTID\n"); + ret = ath6kl_wmi_get_pmkid_list_event_rx(wmi, datap, len); + break; + case WMI_PSPOLL_EVENTID: + ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_PSPOLL_EVENTID\n"); + ret = ath6kl_wmi_pspoll_event_rx(wmi, datap, len); + break; + case WMI_DTIMEXPIRY_EVENTID: + ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_DTIMEXPIRY_EVENTID\n"); + ret = ath6kl_wmi_dtimexpiry_event_rx(wmi, datap, len); + break; + case WMI_SET_PARAMS_REPLY_EVENTID: + ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_SET_PARAMS_REPLY_EVENTID\n"); + break; + case WMI_ADDBA_REQ_EVENTID: + ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_ADDBA_REQ_EVENTID\n"); + ret = ath6kl_wmi_addba_req_event_rx(wmi, datap, len); + break; + case WMI_ADDBA_RESP_EVENTID: + ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_ADDBA_RESP_EVENTID\n"); + break; + case WMI_DELBA_REQ_EVENTID: + ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_DELBA_REQ_EVENTID\n"); + ret = ath6kl_wmi_delba_req_event_rx(wmi, datap, len); + break; + case WMI_REPORT_BTCOEX_CONFIG_EVENTID: + ath6kl_dbg(ATH6KL_DBG_WMI, + "WMI_REPORT_BTCOEX_CONFIG_EVENTID\n"); + break; + case WMI_REPORT_BTCOEX_STATS_EVENTID: + ath6kl_dbg(ATH6KL_DBG_WMI, + "WMI_REPORT_BTCOEX_STATS_EVENTID\n"); + break; + case WMI_TX_COMPLETE_EVENTID: + ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TX_COMPLETE_EVENTID\n"); + ret = ath6kl_wmi_tx_complete_event_rx(datap, len); + break; + default: + ath6kl_dbg(ATH6KL_DBG_WMI, "unknown cmd id 0x%x\n", id); + wmi->stat.cmd_id_err++; + ret = -EINVAL; + break; + } + + dev_kfree_skb(skb); + + return ret; +} + +static void ath6kl_wmi_qos_state_init(struct wmi *wmi) +{ + if (!wmi) + return; + + spin_lock_bh(&wmi->lock); + + wmi->fat_pipe_exist = 0; + memset(wmi->stream_exist_for_ac, 0, sizeof(wmi->stream_exist_for_ac)); + + spin_unlock_bh(&wmi->lock); +} + +void *ath6kl_wmi_init(void *dev) +{ + struct wmi *wmi; + + wmi = kzalloc(sizeof(struct wmi), GFP_KERNEL); + if (!wmi) + return NULL; + + spin_lock_init(&wmi->lock); + + wmi->parent_dev = dev; + + wlan_node_table_init(wmi, &wmi->scan_table); + ath6kl_wmi_qos_state_init(wmi); + + wmi->pwr_mode = REC_POWER; + wmi->phy_mode = WMI_11G_MODE; + + wmi->pair_crypto_type = NONE_CRYPT; + wmi->grp_crypto_type = NONE_CRYPT; + + wmi->ht_allowed[A_BAND_24GHZ] = 1; + wmi->ht_allowed[A_BAND_5GHZ] = 1; + + return wmi; +} + +void ath6kl_wmi_shutdown(struct wmi *wmi) +{ + if (!wmi) + return; + + wlan_node_table_cleanup(&wmi->scan_table); + kfree(wmi); +}