[PATCH v2 21/23] ath6kl: add wmi.c
Kalle Valo
kvalo at qca.qualcomm.com
Sun Jul 17 10:24:27 UTC 2011
Signed-off-by: Kalle Valo <kvalo at qca.qualcomm.com>
---
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 <linux/ip.h>
+#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);
+}
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