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- /*
- * Copyright (c) 2012-2015 Qualcomm Atheros, 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/moduleparam.h>
- #include <linux/etherdevice.h>
- #include <linux/if_arp.h>
- #include "wil6210.h"
- #include "txrx.h"
- #include "wmi.h"
- #include "trace.h"
- static uint max_assoc_sta = WIL6210_MAX_CID;
- module_param(max_assoc_sta, uint, S_IRUGO | S_IWUSR);
- MODULE_PARM_DESC(max_assoc_sta, " Max number of stations associated to the AP");
- int agg_wsize; /* = 0; */
- module_param(agg_wsize, int, S_IRUGO | S_IWUSR);
- MODULE_PARM_DESC(agg_wsize, " Window size for Tx Block Ack after connect;"
- " 0 - use default; < 0 - don't auto-establish");
- /**
- * WMI event receiving - theory of operations
- *
- * When firmware about to report WMI event, it fills memory area
- * in the mailbox and raises misc. IRQ. Thread interrupt handler invoked for
- * the misc IRQ, function @wmi_recv_cmd called by thread IRQ handler.
- *
- * @wmi_recv_cmd reads event, allocates memory chunk and attaches it to the
- * event list @wil->pending_wmi_ev. Then, work queue @wil->wmi_wq wakes up
- * and handles events within the @wmi_event_worker. Every event get detached
- * from list, processed and deleted.
- *
- * Purpose for this mechanism is to release IRQ thread; otherwise,
- * if WMI event handling involves another WMI command flow, this 2-nd flow
- * won't be completed because of blocked IRQ thread.
- */
- /**
- * Addressing - theory of operations
- *
- * There are several buses present on the WIL6210 card.
- * Same memory areas are visible at different address on
- * the different busses. There are 3 main bus masters:
- * - MAC CPU (ucode)
- * - User CPU (firmware)
- * - AHB (host)
- *
- * On the PCI bus, there is one BAR (BAR0) of 2Mb size, exposing
- * AHB addresses starting from 0x880000
- *
- * Internally, firmware uses addresses that allows faster access but
- * are invisible from the host. To read from these addresses, alternative
- * AHB address must be used.
- *
- * Memory mapping
- * Linker address PCI/Host address
- * 0x880000 .. 0xa80000 2Mb BAR0
- * 0x800000 .. 0x807000 0x900000 .. 0x907000 28k DCCM
- * 0x840000 .. 0x857000 0x908000 .. 0x91f000 92k PERIPH
- */
- /**
- * @fw_mapping provides memory remapping table
- *
- * array size should be in sync with the declaration in the wil6210.h
- */
- const struct fw_map fw_mapping[] = {
- {0x000000, 0x040000, 0x8c0000, "fw_code"}, /* FW code RAM 256k */
- {0x800000, 0x808000, 0x900000, "fw_data"}, /* FW data RAM 32k */
- {0x840000, 0x860000, 0x908000, "fw_peri"}, /* periph. data RAM 128k */
- {0x880000, 0x88a000, 0x880000, "rgf"}, /* various RGF 40k */
- {0x88a000, 0x88b000, 0x88a000, "AGC_tbl"}, /* AGC table 4k */
- {0x88b000, 0x88c000, 0x88b000, "rgf_ext"}, /* Pcie_ext_rgf 4k */
- {0x88c000, 0x88c200, 0x88c000, "mac_rgf_ext"}, /* mac_ext_rgf 512b */
- {0x8c0000, 0x949000, 0x8c0000, "upper"}, /* upper area 548k */
- /*
- * 920000..930000 ucode code RAM
- * 930000..932000 ucode data RAM
- * 932000..949000 back-door debug data
- */
- };
- /**
- * return AHB address for given firmware/ucode internal (linker) address
- * @x - internal address
- * If address have no valid AHB mapping, return 0
- */
- static u32 wmi_addr_remap(u32 x)
- {
- uint i;
- for (i = 0; i < ARRAY_SIZE(fw_mapping); i++) {
- if ((x >= fw_mapping[i].from) && (x < fw_mapping[i].to))
- return x + fw_mapping[i].host - fw_mapping[i].from;
- }
- return 0;
- }
- /**
- * Check address validity for WMI buffer; remap if needed
- * @ptr - internal (linker) fw/ucode address
- *
- * Valid buffer should be DWORD aligned
- *
- * return address for accessing buffer from the host;
- * if buffer is not valid, return NULL.
- */
- void __iomem *wmi_buffer(struct wil6210_priv *wil, __le32 ptr_)
- {
- u32 off;
- u32 ptr = le32_to_cpu(ptr_);
- if (ptr % 4)
- return NULL;
- ptr = wmi_addr_remap(ptr);
- if (ptr < WIL6210_FW_HOST_OFF)
- return NULL;
- off = HOSTADDR(ptr);
- if (off > WIL6210_MEM_SIZE - 4)
- return NULL;
- return wil->csr + off;
- }
- /**
- * Check address validity
- */
- void __iomem *wmi_addr(struct wil6210_priv *wil, u32 ptr)
- {
- u32 off;
- if (ptr % 4)
- return NULL;
- if (ptr < WIL6210_FW_HOST_OFF)
- return NULL;
- off = HOSTADDR(ptr);
- if (off > WIL6210_MEM_SIZE - 4)
- return NULL;
- return wil->csr + off;
- }
- int wmi_read_hdr(struct wil6210_priv *wil, __le32 ptr,
- struct wil6210_mbox_hdr *hdr)
- {
- void __iomem *src = wmi_buffer(wil, ptr);
- if (!src)
- return -EINVAL;
- wil_memcpy_fromio_32(hdr, src, sizeof(*hdr));
- return 0;
- }
- static int __wmi_send(struct wil6210_priv *wil, u16 cmdid, void *buf, u16 len)
- {
- struct {
- struct wil6210_mbox_hdr hdr;
- struct wil6210_mbox_hdr_wmi wmi;
- } __packed cmd = {
- .hdr = {
- .type = WIL_MBOX_HDR_TYPE_WMI,
- .flags = 0,
- .len = cpu_to_le16(sizeof(cmd.wmi) + len),
- },
- .wmi = {
- .mid = 0,
- .id = cpu_to_le16(cmdid),
- },
- };
- struct wil6210_mbox_ring *r = &wil->mbox_ctl.tx;
- struct wil6210_mbox_ring_desc d_head;
- u32 next_head;
- void __iomem *dst;
- void __iomem *head = wmi_addr(wil, r->head);
- uint retry;
- if (sizeof(cmd) + len > r->entry_size) {
- wil_err(wil, "WMI size too large: %d bytes, max is %d\n",
- (int)(sizeof(cmd) + len), r->entry_size);
- return -ERANGE;
- }
- might_sleep();
- if (!test_bit(wil_status_fwready, wil->status)) {
- wil_err(wil, "WMI: cannot send command while FW not ready\n");
- return -EAGAIN;
- }
- if (!head) {
- wil_err(wil, "WMI head is garbage: 0x%08x\n", r->head);
- return -EINVAL;
- }
- /* read Tx head till it is not busy */
- for (retry = 5; retry > 0; retry--) {
- wil_memcpy_fromio_32(&d_head, head, sizeof(d_head));
- if (d_head.sync == 0)
- break;
- msleep(20);
- }
- if (d_head.sync != 0) {
- wil_err(wil, "WMI head busy\n");
- return -EBUSY;
- }
- /* next head */
- next_head = r->base + ((r->head - r->base + sizeof(d_head)) % r->size);
- wil_dbg_wmi(wil, "Head 0x%08x -> 0x%08x\n", r->head, next_head);
- /* wait till FW finish with previous command */
- for (retry = 5; retry > 0; retry--) {
- r->tail = wil_r(wil, RGF_MBOX +
- offsetof(struct wil6210_mbox_ctl, tx.tail));
- if (next_head != r->tail)
- break;
- msleep(20);
- }
- if (next_head == r->tail) {
- wil_err(wil, "WMI ring full\n");
- return -EBUSY;
- }
- dst = wmi_buffer(wil, d_head.addr);
- if (!dst) {
- wil_err(wil, "invalid WMI buffer: 0x%08x\n",
- le32_to_cpu(d_head.addr));
- return -EINVAL;
- }
- cmd.hdr.seq = cpu_to_le16(++wil->wmi_seq);
- /* set command */
- wil_dbg_wmi(wil, "WMI command 0x%04x [%d]\n", cmdid, len);
- wil_hex_dump_wmi("Cmd ", DUMP_PREFIX_OFFSET, 16, 1, &cmd,
- sizeof(cmd), true);
- wil_hex_dump_wmi("cmd ", DUMP_PREFIX_OFFSET, 16, 1, buf,
- len, true);
- wil_memcpy_toio_32(dst, &cmd, sizeof(cmd));
- wil_memcpy_toio_32(dst + sizeof(cmd), buf, len);
- /* mark entry as full */
- wil_w(wil, r->head + offsetof(struct wil6210_mbox_ring_desc, sync), 1);
- /* advance next ptr */
- wil_w(wil, RGF_MBOX + offsetof(struct wil6210_mbox_ctl, tx.head),
- r->head = next_head);
- trace_wil6210_wmi_cmd(&cmd.wmi, buf, len);
- /* interrupt to FW */
- wil_w(wil, RGF_USER_USER_ICR + offsetof(struct RGF_ICR, ICS),
- SW_INT_MBOX);
- return 0;
- }
- int wmi_send(struct wil6210_priv *wil, u16 cmdid, void *buf, u16 len)
- {
- int rc;
- mutex_lock(&wil->wmi_mutex);
- rc = __wmi_send(wil, cmdid, buf, len);
- mutex_unlock(&wil->wmi_mutex);
- return rc;
- }
- /*=== Event handlers ===*/
- static void wmi_evt_ready(struct wil6210_priv *wil, int id, void *d, int len)
- {
- struct wireless_dev *wdev = wil->wdev;
- struct wmi_ready_event *evt = d;
- wil->fw_version = le32_to_cpu(evt->sw_version);
- wil->n_mids = evt->numof_additional_mids;
- wil_info(wil, "FW ver. %d; MAC %pM; %d MID's\n", wil->fw_version,
- evt->mac, wil->n_mids);
- /* ignore MAC address, we already have it from the boot loader */
- snprintf(wdev->wiphy->fw_version, sizeof(wdev->wiphy->fw_version),
- "%d", wil->fw_version);
- wil_set_recovery_state(wil, fw_recovery_idle);
- set_bit(wil_status_fwready, wil->status);
- /* let the reset sequence continue */
- complete(&wil->wmi_ready);
- }
- static void wmi_evt_rx_mgmt(struct wil6210_priv *wil, int id, void *d, int len)
- {
- struct wmi_rx_mgmt_packet_event *data = d;
- struct wiphy *wiphy = wil_to_wiphy(wil);
- struct ieee80211_mgmt *rx_mgmt_frame =
- (struct ieee80211_mgmt *)data->payload;
- int flen = len - offsetof(struct wmi_rx_mgmt_packet_event, payload);
- int ch_no;
- u32 freq;
- struct ieee80211_channel *channel;
- s32 signal;
- __le16 fc;
- u32 d_len;
- u16 d_status;
- if (flen < 0) {
- wil_err(wil, "MGMT Rx: short event, len %d\n", len);
- return;
- }
- d_len = le32_to_cpu(data->info.len);
- if (d_len != flen) {
- wil_err(wil,
- "MGMT Rx: length mismatch, d_len %d should be %d\n",
- d_len, flen);
- return;
- }
- ch_no = data->info.channel + 1;
- freq = ieee80211_channel_to_frequency(ch_no, IEEE80211_BAND_60GHZ);
- channel = ieee80211_get_channel(wiphy, freq);
- signal = data->info.sqi;
- d_status = le16_to_cpu(data->info.status);
- fc = rx_mgmt_frame->frame_control;
- wil_dbg_wmi(wil, "MGMT Rx: channel %d MCS %d SNR %d SQI %d%%\n",
- data->info.channel, data->info.mcs, data->info.snr,
- data->info.sqi);
- wil_dbg_wmi(wil, "status 0x%04x len %d fc 0x%04x\n", d_status, d_len,
- le16_to_cpu(fc));
- wil_dbg_wmi(wil, "qid %d mid %d cid %d\n",
- data->info.qid, data->info.mid, data->info.cid);
- wil_hex_dump_wmi("MGMT Rx ", DUMP_PREFIX_OFFSET, 16, 1, rx_mgmt_frame,
- d_len, true);
- if (!channel) {
- wil_err(wil, "Frame on unsupported channel\n");
- return;
- }
- if (ieee80211_is_beacon(fc) || ieee80211_is_probe_resp(fc)) {
- struct cfg80211_bss *bss;
- u64 tsf = le64_to_cpu(rx_mgmt_frame->u.beacon.timestamp);
- u16 cap = le16_to_cpu(rx_mgmt_frame->u.beacon.capab_info);
- u16 bi = le16_to_cpu(rx_mgmt_frame->u.beacon.beacon_int);
- const u8 *ie_buf = rx_mgmt_frame->u.beacon.variable;
- size_t ie_len = d_len - offsetof(struct ieee80211_mgmt,
- u.beacon.variable);
- wil_dbg_wmi(wil, "Capability info : 0x%04x\n", cap);
- wil_dbg_wmi(wil, "TSF : 0x%016llx\n", tsf);
- wil_dbg_wmi(wil, "Beacon interval : %d\n", bi);
- wil_hex_dump_wmi("IE ", DUMP_PREFIX_OFFSET, 16, 1, ie_buf,
- ie_len, true);
- bss = cfg80211_inform_bss_frame(wiphy, channel, rx_mgmt_frame,
- d_len, signal, GFP_KERNEL);
- if (bss) {
- wil_dbg_wmi(wil, "Added BSS %pM\n",
- rx_mgmt_frame->bssid);
- cfg80211_put_bss(wiphy, bss);
- } else {
- wil_err(wil, "cfg80211_inform_bss_frame() failed\n");
- }
- } else {
- cfg80211_rx_mgmt(wil->wdev, freq, signal,
- (void *)rx_mgmt_frame, d_len, 0);
- }
- }
- static void wmi_evt_tx_mgmt(struct wil6210_priv *wil, int id, void *d, int len)
- {
- struct wmi_tx_mgmt_packet_event *data = d;
- struct ieee80211_mgmt *mgmt_frame =
- (struct ieee80211_mgmt *)data->payload;
- int flen = len - offsetof(struct wmi_tx_mgmt_packet_event, payload);
- wil_hex_dump_wmi("MGMT Tx ", DUMP_PREFIX_OFFSET, 16, 1, mgmt_frame,
- flen, true);
- }
- static void wmi_evt_scan_complete(struct wil6210_priv *wil, int id,
- void *d, int len)
- {
- if (wil->scan_request) {
- struct wmi_scan_complete_event *data = d;
- bool aborted = (data->status != WMI_SCAN_SUCCESS);
- wil_dbg_wmi(wil, "SCAN_COMPLETE(0x%08x)\n", data->status);
- wil_dbg_misc(wil, "Complete scan_request 0x%p aborted %d\n",
- wil->scan_request, aborted);
- del_timer_sync(&wil->scan_timer);
- cfg80211_scan_done(wil->scan_request, aborted);
- wil->scan_request = NULL;
- } else {
- wil_err(wil, "SCAN_COMPLETE while not scanning\n");
- }
- }
- static void wmi_evt_connect(struct wil6210_priv *wil, int id, void *d, int len)
- {
- struct net_device *ndev = wil_to_ndev(wil);
- struct wireless_dev *wdev = wil->wdev;
- struct wmi_connect_event *evt = d;
- int ch; /* channel number */
- struct station_info sinfo;
- u8 *assoc_req_ie, *assoc_resp_ie;
- size_t assoc_req_ielen, assoc_resp_ielen;
- /* capinfo(u16) + listen_interval(u16) + IEs */
- const size_t assoc_req_ie_offset = sizeof(u16) * 2;
- /* capinfo(u16) + status_code(u16) + associd(u16) + IEs */
- const size_t assoc_resp_ie_offset = sizeof(u16) * 3;
- if (len < sizeof(*evt)) {
- wil_err(wil, "Connect event too short : %d bytes\n", len);
- return;
- }
- if (len != sizeof(*evt) + evt->beacon_ie_len + evt->assoc_req_len +
- evt->assoc_resp_len) {
- wil_err(wil,
- "Connect event corrupted : %d != %d + %d + %d + %d\n",
- len, (int)sizeof(*evt), evt->beacon_ie_len,
- evt->assoc_req_len, evt->assoc_resp_len);
- return;
- }
- if (evt->cid >= WIL6210_MAX_CID) {
- wil_err(wil, "Connect CID invalid : %d\n", evt->cid);
- return;
- }
- ch = evt->channel + 1;
- wil_dbg_wmi(wil, "Connect %pM channel [%d] cid %d\n",
- evt->bssid, ch, evt->cid);
- wil_hex_dump_wmi("connect AI : ", DUMP_PREFIX_OFFSET, 16, 1,
- evt->assoc_info, len - sizeof(*evt), true);
- /* figure out IE's */
- assoc_req_ie = &evt->assoc_info[evt->beacon_ie_len +
- assoc_req_ie_offset];
- assoc_req_ielen = evt->assoc_req_len - assoc_req_ie_offset;
- if (evt->assoc_req_len <= assoc_req_ie_offset) {
- assoc_req_ie = NULL;
- assoc_req_ielen = 0;
- }
- assoc_resp_ie = &evt->assoc_info[evt->beacon_ie_len +
- evt->assoc_req_len +
- assoc_resp_ie_offset];
- assoc_resp_ielen = evt->assoc_resp_len - assoc_resp_ie_offset;
- if (evt->assoc_resp_len <= assoc_resp_ie_offset) {
- assoc_resp_ie = NULL;
- assoc_resp_ielen = 0;
- }
- if ((wdev->iftype == NL80211_IFTYPE_STATION) ||
- (wdev->iftype == NL80211_IFTYPE_P2P_CLIENT)) {
- if (!test_bit(wil_status_fwconnecting, wil->status)) {
- wil_err(wil, "Not in connecting state\n");
- return;
- }
- del_timer_sync(&wil->connect_timer);
- cfg80211_connect_result(ndev, evt->bssid,
- assoc_req_ie, assoc_req_ielen,
- assoc_resp_ie, assoc_resp_ielen,
- WLAN_STATUS_SUCCESS, GFP_KERNEL);
- } else if ((wdev->iftype == NL80211_IFTYPE_AP) ||
- (wdev->iftype == NL80211_IFTYPE_P2P_GO)) {
- memset(&sinfo, 0, sizeof(sinfo));
- sinfo.generation = wil->sinfo_gen++;
- if (assoc_req_ie) {
- sinfo.assoc_req_ies = assoc_req_ie;
- sinfo.assoc_req_ies_len = assoc_req_ielen;
- }
- cfg80211_new_sta(ndev, evt->bssid, &sinfo, GFP_KERNEL);
- }
- clear_bit(wil_status_fwconnecting, wil->status);
- set_bit(wil_status_fwconnected, wil->status);
- /* FIXME FW can transmit only ucast frames to peer */
- /* FIXME real ring_id instead of hard coded 0 */
- ether_addr_copy(wil->sta[evt->cid].addr, evt->bssid);
- wil->sta[evt->cid].status = wil_sta_conn_pending;
- wil->pending_connect_cid = evt->cid;
- queue_work(wil->wq_service, &wil->connect_worker);
- }
- static void wmi_evt_disconnect(struct wil6210_priv *wil, int id,
- void *d, int len)
- {
- struct wmi_disconnect_event *evt = d;
- u16 reason_code = le16_to_cpu(evt->protocol_reason_status);
- wil_dbg_wmi(wil, "Disconnect %pM reason [proto %d wmi %d]\n",
- evt->bssid, reason_code, evt->disconnect_reason);
- wil->sinfo_gen++;
- mutex_lock(&wil->mutex);
- wil6210_disconnect(wil, evt->bssid, reason_code, true);
- mutex_unlock(&wil->mutex);
- }
- /*
- * Firmware reports EAPOL frame using WME event.
- * Reconstruct Ethernet frame and deliver it via normal Rx
- */
- static void wmi_evt_eapol_rx(struct wil6210_priv *wil, int id,
- void *d, int len)
- {
- struct net_device *ndev = wil_to_ndev(wil);
- struct wmi_eapol_rx_event *evt = d;
- u16 eapol_len = le16_to_cpu(evt->eapol_len);
- int sz = eapol_len + ETH_HLEN;
- struct sk_buff *skb;
- struct ethhdr *eth;
- int cid;
- struct wil_net_stats *stats = NULL;
- wil_dbg_wmi(wil, "EAPOL len %d from %pM\n", eapol_len,
- evt->src_mac);
- cid = wil_find_cid(wil, evt->src_mac);
- if (cid >= 0)
- stats = &wil->sta[cid].stats;
- if (eapol_len > 196) { /* TODO: revisit size limit */
- wil_err(wil, "EAPOL too large\n");
- return;
- }
- skb = alloc_skb(sz, GFP_KERNEL);
- if (!skb) {
- wil_err(wil, "Failed to allocate skb\n");
- return;
- }
- eth = (struct ethhdr *)skb_put(skb, ETH_HLEN);
- ether_addr_copy(eth->h_dest, ndev->dev_addr);
- ether_addr_copy(eth->h_source, evt->src_mac);
- eth->h_proto = cpu_to_be16(ETH_P_PAE);
- memcpy(skb_put(skb, eapol_len), evt->eapol, eapol_len);
- skb->protocol = eth_type_trans(skb, ndev);
- if (likely(netif_rx_ni(skb) == NET_RX_SUCCESS)) {
- ndev->stats.rx_packets++;
- ndev->stats.rx_bytes += sz;
- if (stats) {
- stats->rx_packets++;
- stats->rx_bytes += sz;
- }
- } else {
- ndev->stats.rx_dropped++;
- if (stats)
- stats->rx_dropped++;
- }
- }
- static void wmi_evt_vring_en(struct wil6210_priv *wil, int id, void *d, int len)
- {
- struct wmi_vring_en_event *evt = d;
- u8 vri = evt->vring_index;
- wil_dbg_wmi(wil, "Enable vring %d\n", vri);
- if (vri >= ARRAY_SIZE(wil->vring_tx)) {
- wil_err(wil, "Enable for invalid vring %d\n", vri);
- return;
- }
- wil->vring_tx_data[vri].dot1x_open = true;
- if (vri == wil->bcast_vring) /* no BA for bcast */
- return;
- if (agg_wsize >= 0)
- wil_addba_tx_request(wil, vri, agg_wsize);
- }
- static void wmi_evt_ba_status(struct wil6210_priv *wil, int id, void *d,
- int len)
- {
- struct wmi_vring_ba_status_event *evt = d;
- struct vring_tx_data *txdata;
- wil_dbg_wmi(wil, "BACK[%d] %s {%d} timeout %d AMSDU%s\n",
- evt->ringid,
- evt->status == WMI_BA_AGREED ? "OK" : "N/A",
- evt->agg_wsize, __le16_to_cpu(evt->ba_timeout),
- evt->amsdu ? "+" : "-");
- if (evt->ringid >= WIL6210_MAX_TX_RINGS) {
- wil_err(wil, "invalid ring id %d\n", evt->ringid);
- return;
- }
- if (evt->status != WMI_BA_AGREED) {
- evt->ba_timeout = 0;
- evt->agg_wsize = 0;
- evt->amsdu = 0;
- }
- txdata = &wil->vring_tx_data[evt->ringid];
- txdata->agg_timeout = le16_to_cpu(evt->ba_timeout);
- txdata->agg_wsize = evt->agg_wsize;
- txdata->agg_amsdu = evt->amsdu;
- txdata->addba_in_progress = false;
- }
- static void wmi_evt_addba_rx_req(struct wil6210_priv *wil, int id, void *d,
- int len)
- {
- struct wmi_rcp_addba_req_event *evt = d;
- wil_addba_rx_request(wil, evt->cidxtid, evt->dialog_token,
- evt->ba_param_set, evt->ba_timeout,
- evt->ba_seq_ctrl);
- }
- static void wmi_evt_delba(struct wil6210_priv *wil, int id, void *d, int len)
- __acquires(&sta->tid_rx_lock) __releases(&sta->tid_rx_lock)
- {
- struct wmi_delba_event *evt = d;
- u8 cid, tid;
- u16 reason = __le16_to_cpu(evt->reason);
- struct wil_sta_info *sta;
- struct wil_tid_ampdu_rx *r;
- might_sleep();
- parse_cidxtid(evt->cidxtid, &cid, &tid);
- wil_dbg_wmi(wil, "DELBA CID %d TID %d from %s reason %d\n",
- cid, tid,
- evt->from_initiator ? "originator" : "recipient",
- reason);
- if (!evt->from_initiator) {
- int i;
- /* find Tx vring it belongs to */
- for (i = 0; i < ARRAY_SIZE(wil->vring2cid_tid); i++) {
- if ((wil->vring2cid_tid[i][0] == cid) &&
- (wil->vring2cid_tid[i][1] == tid)) {
- struct vring_tx_data *txdata =
- &wil->vring_tx_data[i];
- wil_dbg_wmi(wil, "DELBA Tx vring %d\n", i);
- txdata->agg_timeout = 0;
- txdata->agg_wsize = 0;
- txdata->addba_in_progress = false;
- break; /* max. 1 matching ring */
- }
- }
- if (i >= ARRAY_SIZE(wil->vring2cid_tid))
- wil_err(wil, "DELBA: unable to find Tx vring\n");
- return;
- }
- sta = &wil->sta[cid];
- spin_lock_bh(&sta->tid_rx_lock);
- r = sta->tid_rx[tid];
- sta->tid_rx[tid] = NULL;
- wil_tid_ampdu_rx_free(wil, r);
- spin_unlock_bh(&sta->tid_rx_lock);
- }
- /**
- * Some events are ignored for purpose; and need not be interpreted as
- * "unhandled events"
- */
- static void wmi_evt_ignore(struct wil6210_priv *wil, int id, void *d, int len)
- {
- wil_dbg_wmi(wil, "Ignore event 0x%04x len %d\n", id, len);
- }
- static const struct {
- int eventid;
- void (*handler)(struct wil6210_priv *wil, int eventid,
- void *data, int data_len);
- } wmi_evt_handlers[] = {
- {WMI_READY_EVENTID, wmi_evt_ready},
- {WMI_FW_READY_EVENTID, wmi_evt_ignore},
- {WMI_RX_MGMT_PACKET_EVENTID, wmi_evt_rx_mgmt},
- {WMI_TX_MGMT_PACKET_EVENTID, wmi_evt_tx_mgmt},
- {WMI_SCAN_COMPLETE_EVENTID, wmi_evt_scan_complete},
- {WMI_CONNECT_EVENTID, wmi_evt_connect},
- {WMI_DISCONNECT_EVENTID, wmi_evt_disconnect},
- {WMI_EAPOL_RX_EVENTID, wmi_evt_eapol_rx},
- {WMI_BA_STATUS_EVENTID, wmi_evt_ba_status},
- {WMI_RCP_ADDBA_REQ_EVENTID, wmi_evt_addba_rx_req},
- {WMI_DELBA_EVENTID, wmi_evt_delba},
- {WMI_VRING_EN_EVENTID, wmi_evt_vring_en},
- {WMI_DATA_PORT_OPEN_EVENTID, wmi_evt_ignore},
- };
- /*
- * Run in IRQ context
- * Extract WMI command from mailbox. Queue it to the @wil->pending_wmi_ev
- * that will be eventually handled by the @wmi_event_worker in the thread
- * context of thread "wil6210_wmi"
- */
- void wmi_recv_cmd(struct wil6210_priv *wil)
- {
- struct wil6210_mbox_ring_desc d_tail;
- struct wil6210_mbox_hdr hdr;
- struct wil6210_mbox_ring *r = &wil->mbox_ctl.rx;
- struct pending_wmi_event *evt;
- u8 *cmd;
- void __iomem *src;
- ulong flags;
- unsigned n;
- if (!test_bit(wil_status_mbox_ready, wil->status)) {
- wil_err(wil, "Reset in progress. Cannot handle WMI event\n");
- return;
- }
- for (n = 0;; n++) {
- u16 len;
- bool q;
- r->head = wil_r(wil, RGF_MBOX +
- offsetof(struct wil6210_mbox_ctl, rx.head));
- if (r->tail == r->head)
- break;
- wil_dbg_wmi(wil, "Mbox head %08x tail %08x\n",
- r->head, r->tail);
- /* read cmd descriptor from tail */
- wil_memcpy_fromio_32(&d_tail, wil->csr + HOSTADDR(r->tail),
- sizeof(struct wil6210_mbox_ring_desc));
- if (d_tail.sync == 0) {
- wil_err(wil, "Mbox evt not owned by FW?\n");
- break;
- }
- /* read cmd header from descriptor */
- if (0 != wmi_read_hdr(wil, d_tail.addr, &hdr)) {
- wil_err(wil, "Mbox evt at 0x%08x?\n",
- le32_to_cpu(d_tail.addr));
- break;
- }
- len = le16_to_cpu(hdr.len);
- wil_dbg_wmi(wil, "Mbox evt %04x %04x %04x %02x\n",
- le16_to_cpu(hdr.seq), len, le16_to_cpu(hdr.type),
- hdr.flags);
- /* read cmd buffer from descriptor */
- src = wmi_buffer(wil, d_tail.addr) +
- sizeof(struct wil6210_mbox_hdr);
- evt = kmalloc(ALIGN(offsetof(struct pending_wmi_event,
- event.wmi) + len, 4),
- GFP_KERNEL);
- if (!evt)
- break;
- evt->event.hdr = hdr;
- cmd = (void *)&evt->event.wmi;
- wil_memcpy_fromio_32(cmd, src, len);
- /* mark entry as empty */
- wil_w(wil, r->tail +
- offsetof(struct wil6210_mbox_ring_desc, sync), 0);
- /* indicate */
- if ((hdr.type == WIL_MBOX_HDR_TYPE_WMI) &&
- (len >= sizeof(struct wil6210_mbox_hdr_wmi))) {
- struct wil6210_mbox_hdr_wmi *wmi = &evt->event.wmi;
- u16 id = le16_to_cpu(wmi->id);
- u32 tstamp = le32_to_cpu(wmi->timestamp);
- wil_dbg_wmi(wil, "WMI event 0x%04x MID %d @%d msec\n",
- id, wmi->mid, tstamp);
- trace_wil6210_wmi_event(wmi, &wmi[1],
- len - sizeof(*wmi));
- }
- wil_hex_dump_wmi("evt ", DUMP_PREFIX_OFFSET, 16, 1,
- &evt->event.hdr, sizeof(hdr) + len, true);
- /* advance tail */
- r->tail = r->base + ((r->tail - r->base +
- sizeof(struct wil6210_mbox_ring_desc)) % r->size);
- wil_w(wil, RGF_MBOX +
- offsetof(struct wil6210_mbox_ctl, rx.tail), r->tail);
- /* add to the pending list */
- spin_lock_irqsave(&wil->wmi_ev_lock, flags);
- list_add_tail(&evt->list, &wil->pending_wmi_ev);
- spin_unlock_irqrestore(&wil->wmi_ev_lock, flags);
- q = queue_work(wil->wmi_wq, &wil->wmi_event_worker);
- wil_dbg_wmi(wil, "queue_work -> %d\n", q);
- }
- /* normally, 1 event per IRQ should be processed */
- wil_dbg_wmi(wil, "%s -> %d events queued\n", __func__, n);
- }
- int wmi_call(struct wil6210_priv *wil, u16 cmdid, void *buf, u16 len,
- u16 reply_id, void *reply, u8 reply_size, int to_msec)
- {
- int rc;
- unsigned long remain;
- mutex_lock(&wil->wmi_mutex);
- rc = __wmi_send(wil, cmdid, buf, len);
- if (rc)
- goto out;
- wil->reply_id = reply_id;
- wil->reply_buf = reply;
- wil->reply_size = reply_size;
- remain = wait_for_completion_timeout(&wil->wmi_call,
- msecs_to_jiffies(to_msec));
- if (0 == remain) {
- wil_err(wil, "wmi_call(0x%04x->0x%04x) timeout %d msec\n",
- cmdid, reply_id, to_msec);
- rc = -ETIME;
- } else {
- wil_dbg_wmi(wil,
- "wmi_call(0x%04x->0x%04x) completed in %d msec\n",
- cmdid, reply_id,
- to_msec - jiffies_to_msecs(remain));
- }
- wil->reply_id = 0;
- wil->reply_buf = NULL;
- wil->reply_size = 0;
- out:
- mutex_unlock(&wil->wmi_mutex);
- return rc;
- }
- int wmi_echo(struct wil6210_priv *wil)
- {
- struct wmi_echo_cmd cmd = {
- .value = cpu_to_le32(0x12345678),
- };
- return wmi_call(wil, WMI_ECHO_CMDID, &cmd, sizeof(cmd),
- WMI_ECHO_RSP_EVENTID, NULL, 0, 50);
- }
- int wmi_set_mac_address(struct wil6210_priv *wil, void *addr)
- {
- struct wmi_set_mac_address_cmd cmd;
- ether_addr_copy(cmd.mac, addr);
- wil_dbg_wmi(wil, "Set MAC %pM\n", addr);
- return wmi_send(wil, WMI_SET_MAC_ADDRESS_CMDID, &cmd, sizeof(cmd));
- }
- int wmi_pcp_start(struct wil6210_priv *wil, int bi, u8 wmi_nettype,
- u8 chan, u8 hidden_ssid)
- {
- int rc;
- struct wmi_pcp_start_cmd cmd = {
- .bcon_interval = cpu_to_le16(bi),
- .network_type = wmi_nettype,
- .disable_sec_offload = 1,
- .channel = chan - 1,
- .pcp_max_assoc_sta = max_assoc_sta,
- .hidden_ssid = hidden_ssid,
- };
- struct {
- struct wil6210_mbox_hdr_wmi wmi;
- struct wmi_pcp_started_event evt;
- } __packed reply;
- if (!wil->privacy)
- cmd.disable_sec = 1;
- if ((cmd.pcp_max_assoc_sta > WIL6210_MAX_CID) ||
- (cmd.pcp_max_assoc_sta <= 0)) {
- wil_info(wil,
- "Requested connection limit %u, valid values are 1 - %d. Setting to %d\n",
- max_assoc_sta, WIL6210_MAX_CID, WIL6210_MAX_CID);
- cmd.pcp_max_assoc_sta = WIL6210_MAX_CID;
- }
- /*
- * Processing time may be huge, in case of secure AP it takes about
- * 3500ms for FW to start AP
- */
- rc = wmi_call(wil, WMI_PCP_START_CMDID, &cmd, sizeof(cmd),
- WMI_PCP_STARTED_EVENTID, &reply, sizeof(reply), 5000);
- if (rc)
- return rc;
- if (reply.evt.status != WMI_FW_STATUS_SUCCESS)
- rc = -EINVAL;
- return rc;
- }
- int wmi_pcp_stop(struct wil6210_priv *wil)
- {
- return wmi_call(wil, WMI_PCP_STOP_CMDID, NULL, 0,
- WMI_PCP_STOPPED_EVENTID, NULL, 0, 20);
- }
- int wmi_set_ssid(struct wil6210_priv *wil, u8 ssid_len, const void *ssid)
- {
- struct wmi_set_ssid_cmd cmd = {
- .ssid_len = cpu_to_le32(ssid_len),
- };
- if (ssid_len > sizeof(cmd.ssid))
- return -EINVAL;
- memcpy(cmd.ssid, ssid, ssid_len);
- return wmi_send(wil, WMI_SET_SSID_CMDID, &cmd, sizeof(cmd));
- }
- int wmi_get_ssid(struct wil6210_priv *wil, u8 *ssid_len, void *ssid)
- {
- int rc;
- struct {
- struct wil6210_mbox_hdr_wmi wmi;
- struct wmi_set_ssid_cmd cmd;
- } __packed reply;
- int len; /* reply.cmd.ssid_len in CPU order */
- rc = wmi_call(wil, WMI_GET_SSID_CMDID, NULL, 0, WMI_GET_SSID_EVENTID,
- &reply, sizeof(reply), 20);
- if (rc)
- return rc;
- len = le32_to_cpu(reply.cmd.ssid_len);
- if (len > sizeof(reply.cmd.ssid))
- return -EINVAL;
- *ssid_len = len;
- memcpy(ssid, reply.cmd.ssid, len);
- return 0;
- }
- int wmi_set_channel(struct wil6210_priv *wil, int channel)
- {
- struct wmi_set_pcp_channel_cmd cmd = {
- .channel = channel - 1,
- };
- return wmi_send(wil, WMI_SET_PCP_CHANNEL_CMDID, &cmd, sizeof(cmd));
- }
- int wmi_get_channel(struct wil6210_priv *wil, int *channel)
- {
- int rc;
- struct {
- struct wil6210_mbox_hdr_wmi wmi;
- struct wmi_set_pcp_channel_cmd cmd;
- } __packed reply;
- rc = wmi_call(wil, WMI_GET_PCP_CHANNEL_CMDID, NULL, 0,
- WMI_GET_PCP_CHANNEL_EVENTID, &reply, sizeof(reply), 20);
- if (rc)
- return rc;
- if (reply.cmd.channel > 3)
- return -EINVAL;
- *channel = reply.cmd.channel + 1;
- return 0;
- }
- int wmi_p2p_cfg(struct wil6210_priv *wil, int channel)
- {
- struct wmi_p2p_cfg_cmd cmd = {
- .discovery_mode = WMI_DISCOVERY_MODE_NON_OFFLOAD,
- .channel = channel - 1,
- };
- return wmi_send(wil, WMI_P2P_CFG_CMDID, &cmd, sizeof(cmd));
- }
- int wmi_del_cipher_key(struct wil6210_priv *wil, u8 key_index,
- const void *mac_addr, int key_usage)
- {
- struct wmi_delete_cipher_key_cmd cmd = {
- .key_index = key_index,
- };
- if (mac_addr)
- memcpy(cmd.mac, mac_addr, WMI_MAC_LEN);
- return wmi_send(wil, WMI_DELETE_CIPHER_KEY_CMDID, &cmd, sizeof(cmd));
- }
- int wmi_add_cipher_key(struct wil6210_priv *wil, u8 key_index,
- const void *mac_addr, int key_len, const void *key,
- int key_usage)
- {
- struct wmi_add_cipher_key_cmd cmd = {
- .key_index = key_index,
- .key_usage = key_usage,
- .key_len = key_len,
- };
- if (!key || (key_len > sizeof(cmd.key)))
- return -EINVAL;
- memcpy(cmd.key, key, key_len);
- if (mac_addr)
- memcpy(cmd.mac, mac_addr, WMI_MAC_LEN);
- return wmi_send(wil, WMI_ADD_CIPHER_KEY_CMDID, &cmd, sizeof(cmd));
- }
- int wmi_set_ie(struct wil6210_priv *wil, u8 type, u16 ie_len, const void *ie)
- {
- static const char *const names[] = {
- [WMI_FRAME_BEACON] = "BEACON",
- [WMI_FRAME_PROBE_REQ] = "PROBE_REQ",
- [WMI_FRAME_PROBE_RESP] = "WMI_FRAME_PROBE_RESP",
- [WMI_FRAME_ASSOC_REQ] = "WMI_FRAME_ASSOC_REQ",
- [WMI_FRAME_ASSOC_RESP] = "WMI_FRAME_ASSOC_RESP",
- };
- int rc;
- u16 len = sizeof(struct wmi_set_appie_cmd) + ie_len;
- struct wmi_set_appie_cmd *cmd;
- if (len < ie_len) {
- rc = -EINVAL;
- goto out;
- }
- cmd = kzalloc(len, GFP_KERNEL);
- if (!cmd) {
- rc = -ENOMEM;
- goto out;
- }
- if (!ie)
- ie_len = 0;
- cmd->mgmt_frm_type = type;
- /* BUG: FW API define ieLen as u8. Will fix FW */
- cmd->ie_len = cpu_to_le16(ie_len);
- memcpy(cmd->ie_info, ie, ie_len);
- rc = wmi_send(wil, WMI_SET_APPIE_CMDID, cmd, len);
- kfree(cmd);
- out:
- if (rc) {
- const char *name = type < ARRAY_SIZE(names) ?
- names[type] : "??";
- wil_err(wil, "set_ie(%d %s) failed : %d\n", type, name, rc);
- }
- return rc;
- }
- /**
- * wmi_rxon - turn radio on/off
- * @on: turn on if true, off otherwise
- *
- * Only switch radio. Channel should be set separately.
- * No timeout for rxon - radio turned on forever unless some other call
- * turns it off
- */
- int wmi_rxon(struct wil6210_priv *wil, bool on)
- {
- int rc;
- struct {
- struct wil6210_mbox_hdr_wmi wmi;
- struct wmi_listen_started_event evt;
- } __packed reply;
- wil_info(wil, "%s(%s)\n", __func__, on ? "on" : "off");
- if (on) {
- rc = wmi_call(wil, WMI_START_LISTEN_CMDID, NULL, 0,
- WMI_LISTEN_STARTED_EVENTID,
- &reply, sizeof(reply), 100);
- if ((rc == 0) && (reply.evt.status != WMI_FW_STATUS_SUCCESS))
- rc = -EINVAL;
- } else {
- rc = wmi_call(wil, WMI_DISCOVERY_STOP_CMDID, NULL, 0,
- WMI_DISCOVERY_STOPPED_EVENTID, NULL, 0, 20);
- }
- return rc;
- }
- int wmi_rx_chain_add(struct wil6210_priv *wil, struct vring *vring)
- {
- struct wireless_dev *wdev = wil->wdev;
- struct net_device *ndev = wil_to_ndev(wil);
- struct wmi_cfg_rx_chain_cmd cmd = {
- .action = WMI_RX_CHAIN_ADD,
- .rx_sw_ring = {
- .max_mpdu_size = cpu_to_le16(wil_mtu2macbuf(mtu_max)),
- .ring_mem_base = cpu_to_le64(vring->pa),
- .ring_size = cpu_to_le16(vring->size),
- },
- .mid = 0, /* TODO - what is it? */
- .decap_trans_type = WMI_DECAP_TYPE_802_3,
- .reorder_type = WMI_RX_SW_REORDER,
- .host_thrsh = cpu_to_le16(rx_ring_overflow_thrsh),
- };
- struct {
- struct wil6210_mbox_hdr_wmi wmi;
- struct wmi_cfg_rx_chain_done_event evt;
- } __packed evt;
- int rc;
- if (wdev->iftype == NL80211_IFTYPE_MONITOR) {
- struct ieee80211_channel *ch = wdev->preset_chandef.chan;
- cmd.sniffer_cfg.mode = cpu_to_le32(WMI_SNIFFER_ON);
- if (ch)
- cmd.sniffer_cfg.channel = ch->hw_value - 1;
- cmd.sniffer_cfg.phy_info_mode =
- cpu_to_le32(ndev->type == ARPHRD_IEEE80211_RADIOTAP);
- cmd.sniffer_cfg.phy_support =
- cpu_to_le32((wil->monitor_flags & MONITOR_FLAG_CONTROL)
- ? WMI_SNIFFER_CP : WMI_SNIFFER_BOTH_PHYS);
- } else {
- /* Initialize offload (in non-sniffer mode).
- * Linux IP stack always calculates IP checksum
- * HW always calculate TCP/UDP checksum
- */
- cmd.l3_l4_ctrl |= (1 << L3_L4_CTRL_TCPIP_CHECKSUM_EN_POS);
- }
- if (rx_align_2)
- cmd.l2_802_3_offload_ctrl |=
- L2_802_3_OFFLOAD_CTRL_SNAP_KEEP_MSK;
- /* typical time for secure PCP is 840ms */
- rc = wmi_call(wil, WMI_CFG_RX_CHAIN_CMDID, &cmd, sizeof(cmd),
- WMI_CFG_RX_CHAIN_DONE_EVENTID, &evt, sizeof(evt), 2000);
- if (rc)
- return rc;
- vring->hwtail = le32_to_cpu(evt.evt.rx_ring_tail_ptr);
- wil_dbg_misc(wil, "Rx init: status %d tail 0x%08x\n",
- le32_to_cpu(evt.evt.status), vring->hwtail);
- if (le32_to_cpu(evt.evt.status) != WMI_CFG_RX_CHAIN_SUCCESS)
- rc = -EINVAL;
- return rc;
- }
- int wmi_get_temperature(struct wil6210_priv *wil, u32 *t_bb, u32 *t_rf)
- {
- int rc;
- struct wmi_temp_sense_cmd cmd = {
- .measure_baseband_en = cpu_to_le32(!!t_bb),
- .measure_rf_en = cpu_to_le32(!!t_rf),
- .measure_mode = cpu_to_le32(TEMPERATURE_MEASURE_NOW),
- };
- struct {
- struct wil6210_mbox_hdr_wmi wmi;
- struct wmi_temp_sense_done_event evt;
- } __packed reply;
- rc = wmi_call(wil, WMI_TEMP_SENSE_CMDID, &cmd, sizeof(cmd),
- WMI_TEMP_SENSE_DONE_EVENTID, &reply, sizeof(reply), 100);
- if (rc)
- return rc;
- if (t_bb)
- *t_bb = le32_to_cpu(reply.evt.baseband_t1000);
- if (t_rf)
- *t_rf = le32_to_cpu(reply.evt.rf_t1000);
- return 0;
- }
- int wmi_disconnect_sta(struct wil6210_priv *wil, const u8 *mac, u16 reason)
- {
- int rc;
- u16 reason_code;
- struct wmi_disconnect_sta_cmd cmd = {
- .disconnect_reason = cpu_to_le16(reason),
- };
- struct {
- struct wil6210_mbox_hdr_wmi wmi;
- struct wmi_disconnect_event evt;
- } __packed reply;
- ether_addr_copy(cmd.dst_mac, mac);
- wil_dbg_wmi(wil, "%s(%pM, reason %d)\n", __func__, mac, reason);
- rc = wmi_call(wil, WMI_DISCONNECT_STA_CMDID, &cmd, sizeof(cmd),
- WMI_DISCONNECT_EVENTID, &reply, sizeof(reply), 1000);
- /* failure to disconnect in reasonable time treated as FW error */
- if (rc) {
- wil_fw_error_recovery(wil);
- return rc;
- }
- /* call event handler manually after processing wmi_call,
- * to avoid deadlock - disconnect event handler acquires wil->mutex
- * while it is already held here
- */
- reason_code = le16_to_cpu(reply.evt.protocol_reason_status);
- wil_dbg_wmi(wil, "Disconnect %pM reason [proto %d wmi %d]\n",
- reply.evt.bssid, reason_code,
- reply.evt.disconnect_reason);
- wil->sinfo_gen++;
- wil6210_disconnect(wil, reply.evt.bssid, reason_code, true);
- return 0;
- }
- int wmi_addba(struct wil6210_priv *wil, u8 ringid, u8 size, u16 timeout)
- {
- struct wmi_vring_ba_en_cmd cmd = {
- .ringid = ringid,
- .agg_max_wsize = size,
- .ba_timeout = cpu_to_le16(timeout),
- .amsdu = 0,
- };
- wil_dbg_wmi(wil, "%s(ring %d size %d timeout %d)\n", __func__,
- ringid, size, timeout);
- return wmi_send(wil, WMI_VRING_BA_EN_CMDID, &cmd, sizeof(cmd));
- }
- int wmi_delba_tx(struct wil6210_priv *wil, u8 ringid, u16 reason)
- {
- struct wmi_vring_ba_dis_cmd cmd = {
- .ringid = ringid,
- .reason = cpu_to_le16(reason),
- };
- wil_dbg_wmi(wil, "%s(ring %d reason %d)\n", __func__,
- ringid, reason);
- return wmi_send(wil, WMI_VRING_BA_DIS_CMDID, &cmd, sizeof(cmd));
- }
- int wmi_delba_rx(struct wil6210_priv *wil, u8 cidxtid, u16 reason)
- {
- struct wmi_rcp_delba_cmd cmd = {
- .cidxtid = cidxtid,
- .reason = cpu_to_le16(reason),
- };
- wil_dbg_wmi(wil, "%s(CID %d TID %d reason %d)\n", __func__,
- cidxtid & 0xf, (cidxtid >> 4) & 0xf, reason);
- return wmi_send(wil, WMI_RCP_DELBA_CMDID, &cmd, sizeof(cmd));
- }
- int wmi_addba_rx_resp(struct wil6210_priv *wil, u8 cid, u8 tid, u8 token,
- u16 status, bool amsdu, u16 agg_wsize, u16 timeout)
- {
- int rc;
- struct wmi_rcp_addba_resp_cmd cmd = {
- .cidxtid = mk_cidxtid(cid, tid),
- .dialog_token = token,
- .status_code = cpu_to_le16(status),
- /* bit 0: A-MSDU supported
- * bit 1: policy (should be 0 for us)
- * bits 2..5: TID
- * bits 6..15: buffer size
- */
- .ba_param_set = cpu_to_le16((amsdu ? 1 : 0) | (tid << 2) |
- (agg_wsize << 6)),
- .ba_timeout = cpu_to_le16(timeout),
- };
- struct {
- struct wil6210_mbox_hdr_wmi wmi;
- struct wmi_rcp_addba_resp_sent_event evt;
- } __packed reply;
- wil_dbg_wmi(wil,
- "ADDBA response for CID %d TID %d size %d timeout %d status %d AMSDU%s\n",
- cid, tid, agg_wsize, timeout, status, amsdu ? "+" : "-");
- rc = wmi_call(wil, WMI_RCP_ADDBA_RESP_CMDID, &cmd, sizeof(cmd),
- WMI_RCP_ADDBA_RESP_SENT_EVENTID, &reply, sizeof(reply),
- 100);
- if (rc)
- return rc;
- if (reply.evt.status) {
- wil_err(wil, "ADDBA response failed with status %d\n",
- le16_to_cpu(reply.evt.status));
- rc = -EINVAL;
- }
- return rc;
- }
- void wmi_event_flush(struct wil6210_priv *wil)
- {
- struct pending_wmi_event *evt, *t;
- wil_dbg_wmi(wil, "%s()\n", __func__);
- list_for_each_entry_safe(evt, t, &wil->pending_wmi_ev, list) {
- list_del(&evt->list);
- kfree(evt);
- }
- }
- static bool wmi_evt_call_handler(struct wil6210_priv *wil, int id,
- void *d, int len)
- {
- uint i;
- for (i = 0; i < ARRAY_SIZE(wmi_evt_handlers); i++) {
- if (wmi_evt_handlers[i].eventid == id) {
- wmi_evt_handlers[i].handler(wil, id, d, len);
- return true;
- }
- }
- return false;
- }
- static void wmi_event_handle(struct wil6210_priv *wil,
- struct wil6210_mbox_hdr *hdr)
- {
- u16 len = le16_to_cpu(hdr->len);
- if ((hdr->type == WIL_MBOX_HDR_TYPE_WMI) &&
- (len >= sizeof(struct wil6210_mbox_hdr_wmi))) {
- struct wil6210_mbox_hdr_wmi *wmi = (void *)(&hdr[1]);
- void *evt_data = (void *)(&wmi[1]);
- u16 id = le16_to_cpu(wmi->id);
- wil_dbg_wmi(wil, "Handle WMI 0x%04x (reply_id 0x%04x)\n",
- id, wil->reply_id);
- /* check if someone waits for this event */
- if (wil->reply_id && wil->reply_id == id) {
- if (wil->reply_buf) {
- memcpy(wil->reply_buf, wmi,
- min(len, wil->reply_size));
- } else {
- wmi_evt_call_handler(wil, id, evt_data,
- len - sizeof(*wmi));
- }
- wil_dbg_wmi(wil, "Complete WMI 0x%04x\n", id);
- complete(&wil->wmi_call);
- return;
- }
- /* unsolicited event */
- /* search for handler */
- if (!wmi_evt_call_handler(wil, id, evt_data,
- len - sizeof(*wmi))) {
- wil_info(wil, "Unhandled event 0x%04x\n", id);
- }
- } else {
- wil_err(wil, "Unknown event type\n");
- print_hex_dump(KERN_ERR, "evt?? ", DUMP_PREFIX_OFFSET, 16, 1,
- hdr, sizeof(*hdr) + len, true);
- }
- }
- /*
- * Retrieve next WMI event from the pending list
- */
- static struct list_head *next_wmi_ev(struct wil6210_priv *wil)
- {
- ulong flags;
- struct list_head *ret = NULL;
- spin_lock_irqsave(&wil->wmi_ev_lock, flags);
- if (!list_empty(&wil->pending_wmi_ev)) {
- ret = wil->pending_wmi_ev.next;
- list_del(ret);
- }
- spin_unlock_irqrestore(&wil->wmi_ev_lock, flags);
- return ret;
- }
- /*
- * Handler for the WMI events
- */
- void wmi_event_worker(struct work_struct *work)
- {
- struct wil6210_priv *wil = container_of(work, struct wil6210_priv,
- wmi_event_worker);
- struct pending_wmi_event *evt;
- struct list_head *lh;
- wil_dbg_wmi(wil, "Start %s\n", __func__);
- while ((lh = next_wmi_ev(wil)) != NULL) {
- evt = list_entry(lh, struct pending_wmi_event, list);
- wmi_event_handle(wil, &evt->event.hdr);
- kfree(evt);
- }
- wil_dbg_wmi(wil, "Finished %s\n", __func__);
- }
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