| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Eliad Peller | 4037 | 41.48% | 66 | 34.02% |
| Luciano Coelho | 3106 | 31.91% | 19 | 9.79% |
| Arik Nemtsov | 1051 | 10.80% | 27 | 13.92% |
| Juuso Oikarinen | 413 | 4.24% | 22 | 11.34% |
| Victor Goldenshtein | 372 | 3.82% | 2 | 1.03% |
| Ido Yariv | 217 | 2.23% | 10 | 5.15% |
| Kalle Valo | 72 | 0.74% | 3 | 1.55% |
| Yoni Divinsky | 64 | 0.66% | 3 | 1.55% |
| Johannes Berg | 55 | 0.57% | 9 | 4.64% |
| Eyal Shapira | 49 | 0.50% | 2 | 1.03% |
| Mircea Gherzan | 39 | 0.40% | 1 | 0.52% |
| Guy Mishol | 35 | 0.36% | 2 | 1.03% |
| Shahar Levi | 34 | 0.35% | 3 | 1.55% |
| Teemu Paasikivi | 29 | 0.30% | 3 | 1.55% |
| David Spinadel | 28 | 0.29% | 1 | 0.52% |
| Maital Hahn | 25 | 0.26% | 2 | 1.03% |
| Tony Lindgren | 23 | 0.24% | 3 | 1.55% |
| Saravanan Dhanabal | 20 | 0.21% | 1 | 0.52% |
| Paolo Bonzini | 15 | 0.15% | 1 | 0.52% |
| Dan Carpenter | 11 | 0.11% | 1 | 0.52% |
| Sriram R | 8 | 0.08% | 1 | 0.52% |
| Igal Chernobelsky | 8 | 0.08% | 1 | 0.52% |
| Gustavo A. R. Silva | 5 | 0.05% | 1 | 0.52% |
| Barak Bercovitz | 4 | 0.04% | 1 | 0.52% |
| Yang Shen | 3 | 0.03% | 1 | 0.52% |
| Thomas Gleixner | 2 | 0.02% | 1 | 0.52% |
| Joe Perches | 2 | 0.02% | 1 | 0.52% |
| David S. Miller | 1 | 0.01% | 1 | 0.52% |
| Jesper Juhl | 1 | 0.01% | 1 | 0.52% |
| Colin Ian King | 1 | 0.01% | 1 | 0.52% |
| Chi Minghao | 1 | 0.01% | 1 | 0.52% |
| Ohad Ben-Cohen | 1 | 0.01% | 1 | 0.52% |
| Luis R. Rodriguez | 1 | 0.01% | 1 | 0.52% |
| Total | 9733 | 194 |
// SPDX-License-Identifier: GPL-2.0-only /* * This file is part of wl1271 * * Copyright (C) 2009-2010 Nokia Corporation * * Contact: Luciano Coelho <luciano.coelho@nokia.com> */ #include <linux/module.h> #include <linux/platform_device.h> #include <linux/pm_runtime.h> #include <linux/spi/spi.h> #include <linux/etherdevice.h> #include <linux/ieee80211.h> #include <linux/slab.h> #include "wlcore.h" #include "debug.h" #include "io.h" #include "acx.h" #include "wl12xx_80211.h" #include "cmd.h" #include "event.h" #include "tx.h" #include "hw_ops.h" #define WL1271_CMD_FAST_POLL_COUNT 50 #define WL1271_WAIT_EVENT_FAST_POLL_COUNT 20 /* * send command to firmware * * @wl: wl struct * @id: command id * @buf: buffer containing the command, must work with dma * @len: length of the buffer * return the cmd status code on success. */ static int __wlcore_cmd_send(struct wl1271 *wl, u16 id, void *buf, size_t len, size_t res_len) { struct wl1271_cmd_header *cmd; unsigned long timeout; u32 intr; int ret; u16 status; u16 poll_count = 0; if (unlikely(wl->state == WLCORE_STATE_RESTARTING && id != CMD_STOP_FWLOGGER)) return -EIO; if (WARN_ON_ONCE(len < sizeof(*cmd))) return -EIO; cmd = buf; cmd->id = cpu_to_le16(id); cmd->status = 0; WARN_ON(len % 4 != 0); WARN_ON(test_bit(WL1271_FLAG_IN_ELP, &wl->flags)); ret = wlcore_write(wl, wl->cmd_box_addr, buf, len, false); if (ret < 0) return ret; /* * TODO: we just need this because one bit is in a different * place. Is there any better way? */ ret = wl->ops->trigger_cmd(wl, wl->cmd_box_addr, buf, len); if (ret < 0) return ret; timeout = jiffies + msecs_to_jiffies(WL1271_COMMAND_TIMEOUT); ret = wlcore_read_reg(wl, REG_INTERRUPT_NO_CLEAR, &intr); if (ret < 0) return ret; while (!(intr & WL1271_ACX_INTR_CMD_COMPLETE)) { if (time_after(jiffies, timeout)) { wl1271_error("command complete timeout"); return -ETIMEDOUT; } poll_count++; if (poll_count < WL1271_CMD_FAST_POLL_COUNT) udelay(10); else msleep(1); ret = wlcore_read_reg(wl, REG_INTERRUPT_NO_CLEAR, &intr); if (ret < 0) return ret; } /* read back the status code of the command */ if (res_len == 0) res_len = sizeof(struct wl1271_cmd_header); ret = wlcore_read(wl, wl->cmd_box_addr, cmd, res_len, false); if (ret < 0) return ret; status = le16_to_cpu(cmd->status); ret = wlcore_write_reg(wl, REG_INTERRUPT_ACK, WL1271_ACX_INTR_CMD_COMPLETE); if (ret < 0) return ret; return status; } /* * send command to fw and return cmd status on success * valid_rets contains a bitmap of allowed error codes */ static int wlcore_cmd_send_failsafe(struct wl1271 *wl, u16 id, void *buf, size_t len, size_t res_len, unsigned long valid_rets) { int ret = __wlcore_cmd_send(wl, id, buf, len, res_len); if (ret < 0) goto fail; /* success is always a valid status */ valid_rets |= BIT(CMD_STATUS_SUCCESS); if (ret >= MAX_COMMAND_STATUS || !test_bit(ret, &valid_rets)) { wl1271_error("command execute failure %d", ret); ret = -EIO; goto fail; } return ret; fail: wl12xx_queue_recovery_work(wl); return ret; } /* * wrapper for wlcore_cmd_send that accept only CMD_STATUS_SUCCESS * return 0 on success. */ int wl1271_cmd_send(struct wl1271 *wl, u16 id, void *buf, size_t len, size_t res_len) { int ret = wlcore_cmd_send_failsafe(wl, id, buf, len, res_len, 0); if (ret < 0) return ret; return 0; } EXPORT_SYMBOL_GPL(wl1271_cmd_send); /* * Poll the mailbox event field until any of the bits in the mask is set or a * timeout occurs (WL1271_EVENT_TIMEOUT in msecs) */ int wlcore_cmd_wait_for_event_or_timeout(struct wl1271 *wl, u32 mask, bool *timeout) { u32 *events_vector; u32 event; unsigned long timeout_time; u16 poll_count = 0; int ret = 0; *timeout = false; events_vector = kmalloc(sizeof(*events_vector), GFP_KERNEL | GFP_DMA); if (!events_vector) return -ENOMEM; timeout_time = jiffies + msecs_to_jiffies(WL1271_EVENT_TIMEOUT); ret = pm_runtime_resume_and_get(wl->dev); if (ret < 0) goto free_vector; do { if (time_after(jiffies, timeout_time)) { wl1271_debug(DEBUG_CMD, "timeout waiting for event %d", (int)mask); *timeout = true; goto out; } poll_count++; if (poll_count < WL1271_WAIT_EVENT_FAST_POLL_COUNT) usleep_range(50, 51); else usleep_range(1000, 5000); /* read from both event fields */ ret = wlcore_read(wl, wl->mbox_ptr[0], events_vector, sizeof(*events_vector), false); if (ret < 0) goto out; event = *events_vector & mask; ret = wlcore_read(wl, wl->mbox_ptr[1], events_vector, sizeof(*events_vector), false); if (ret < 0) goto out; event |= *events_vector & mask; } while (!event); out: pm_runtime_mark_last_busy(wl->dev); pm_runtime_put_autosuspend(wl->dev); free_vector: kfree(events_vector); return ret; } EXPORT_SYMBOL_GPL(wlcore_cmd_wait_for_event_or_timeout); int wl12xx_cmd_role_enable(struct wl1271 *wl, u8 *addr, u8 role_type, u8 *role_id) { struct wl12xx_cmd_role_enable *cmd; int ret; wl1271_debug(DEBUG_CMD, "cmd role enable"); if (WARN_ON(*role_id != WL12XX_INVALID_ROLE_ID)) return -EBUSY; cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); if (!cmd) { ret = -ENOMEM; goto out; } /* get role id */ cmd->role_id = find_first_zero_bit(wl->roles_map, WL12XX_MAX_ROLES); if (cmd->role_id >= WL12XX_MAX_ROLES) { ret = -EBUSY; goto out_free; } memcpy(cmd->mac_address, addr, ETH_ALEN); cmd->role_type = role_type; ret = wl1271_cmd_send(wl, CMD_ROLE_ENABLE, cmd, sizeof(*cmd), 0); if (ret < 0) { wl1271_error("failed to initiate cmd role enable"); goto out_free; } __set_bit(cmd->role_id, wl->roles_map); *role_id = cmd->role_id; out_free: kfree(cmd); out: return ret; } int wl12xx_cmd_role_disable(struct wl1271 *wl, u8 *role_id) { struct wl12xx_cmd_role_disable *cmd; int ret; wl1271_debug(DEBUG_CMD, "cmd role disable"); if (WARN_ON(*role_id == WL12XX_INVALID_ROLE_ID)) return -ENOENT; cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); if (!cmd) { ret = -ENOMEM; goto out; } cmd->role_id = *role_id; ret = wl1271_cmd_send(wl, CMD_ROLE_DISABLE, cmd, sizeof(*cmd), 0); if (ret < 0) { wl1271_error("failed to initiate cmd role disable"); goto out_free; } __clear_bit(*role_id, wl->roles_map); *role_id = WL12XX_INVALID_ROLE_ID; out_free: kfree(cmd); out: return ret; } static int wlcore_get_new_session_id(struct wl1271 *wl, u8 hlid) { if (wl->session_ids[hlid] >= SESSION_COUNTER_MAX) wl->session_ids[hlid] = 0; wl->session_ids[hlid]++; return wl->session_ids[hlid]; } int wl12xx_allocate_link(struct wl1271 *wl, struct wl12xx_vif *wlvif, u8 *hlid) { unsigned long flags; u8 link = find_first_zero_bit(wl->links_map, wl->num_links); if (link >= wl->num_links) return -EBUSY; wl->session_ids[link] = wlcore_get_new_session_id(wl, link); /* these bits are used by op_tx */ spin_lock_irqsave(&wl->wl_lock, flags); __set_bit(link, wl->links_map); __set_bit(link, wlvif->links_map); spin_unlock_irqrestore(&wl->wl_lock, flags); /* * take the last "freed packets" value from the current FW status. * on recovery, we might not have fw_status yet, and * tx_lnk_free_pkts will be NULL. check for it. */ if (wl->fw_status->counters.tx_lnk_free_pkts) wl->links[link].prev_freed_pkts = wl->fw_status->counters.tx_lnk_free_pkts[link]; wl->links[link].wlvif = wlvif; /* * Take saved value for total freed packets from wlvif, in case this is * recovery/resume */ if (wlvif->bss_type != BSS_TYPE_AP_BSS) wl->links[link].total_freed_pkts = wlvif->total_freed_pkts; *hlid = link; wl->active_link_count++; return 0; } void wl12xx_free_link(struct wl1271 *wl, struct wl12xx_vif *wlvif, u8 *hlid) { unsigned long flags; if (*hlid == WL12XX_INVALID_LINK_ID) return; /* these bits are used by op_tx */ spin_lock_irqsave(&wl->wl_lock, flags); __clear_bit(*hlid, wl->links_map); __clear_bit(*hlid, wlvif->links_map); spin_unlock_irqrestore(&wl->wl_lock, flags); wl->links[*hlid].allocated_pkts = 0; wl->links[*hlid].prev_freed_pkts = 0; wl->links[*hlid].ba_bitmap = 0; eth_zero_addr(wl->links[*hlid].addr); /* * At this point op_tx() will not add more packets to the queues. We * can purge them. */ wl1271_tx_reset_link_queues(wl, *hlid); wl->links[*hlid].wlvif = NULL; if (wlvif->bss_type == BSS_TYPE_AP_BSS && *hlid == wlvif->ap.bcast_hlid) { u32 sqn_padding = WL1271_TX_SQN_POST_RECOVERY_PADDING; /* * save the total freed packets in the wlvif, in case this is * recovery or suspend */ wlvif->total_freed_pkts = wl->links[*hlid].total_freed_pkts; /* * increment the initial seq number on recovery to account for * transmitted packets that we haven't yet got in the FW status */ if (wlvif->encryption_type == KEY_GEM) sqn_padding = WL1271_TX_SQN_POST_RECOVERY_PADDING_GEM; if (test_bit(WL1271_FLAG_RECOVERY_IN_PROGRESS, &wl->flags)) wlvif->total_freed_pkts += sqn_padding; } wl->links[*hlid].total_freed_pkts = 0; *hlid = WL12XX_INVALID_LINK_ID; wl->active_link_count--; WARN_ON_ONCE(wl->active_link_count < 0); } u8 wlcore_get_native_channel_type(u8 nl_channel_type) { switch (nl_channel_type) { case NL80211_CHAN_NO_HT: return WLCORE_CHAN_NO_HT; case NL80211_CHAN_HT20: return WLCORE_CHAN_HT20; case NL80211_CHAN_HT40MINUS: return WLCORE_CHAN_HT40MINUS; case NL80211_CHAN_HT40PLUS: return WLCORE_CHAN_HT40PLUS; default: WARN_ON(1); return WLCORE_CHAN_NO_HT; } } EXPORT_SYMBOL_GPL(wlcore_get_native_channel_type); static int wl12xx_cmd_role_start_dev(struct wl1271 *wl, struct wl12xx_vif *wlvif, enum nl80211_band band, int channel) { struct wl12xx_cmd_role_start *cmd; int ret; cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); if (!cmd) { ret = -ENOMEM; goto out; } wl1271_debug(DEBUG_CMD, "cmd role start dev %d", wlvif->dev_role_id); cmd->role_id = wlvif->dev_role_id; if (band == NL80211_BAND_5GHZ) cmd->band = WLCORE_BAND_5GHZ; cmd->channel = channel; if (wlvif->dev_hlid == WL12XX_INVALID_LINK_ID) { ret = wl12xx_allocate_link(wl, wlvif, &wlvif->dev_hlid); if (ret) goto out_free; } cmd->device.hlid = wlvif->dev_hlid; cmd->device.session = wl->session_ids[wlvif->dev_hlid]; wl1271_debug(DEBUG_CMD, "role start: roleid=%d, hlid=%d, session=%d", cmd->role_id, cmd->device.hlid, cmd->device.session); ret = wl1271_cmd_send(wl, CMD_ROLE_START, cmd, sizeof(*cmd), 0); if (ret < 0) { wl1271_error("failed to initiate cmd role enable"); goto err_hlid; } goto out_free; err_hlid: /* clear links on error */ wl12xx_free_link(wl, wlvif, &wlvif->dev_hlid); out_free: kfree(cmd); out: return ret; } static int wl12xx_cmd_role_stop_dev(struct wl1271 *wl, struct wl12xx_vif *wlvif) { struct wl12xx_cmd_role_stop *cmd; int ret; if (WARN_ON(wlvif->dev_hlid == WL12XX_INVALID_LINK_ID)) return -EINVAL; cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); if (!cmd) { ret = -ENOMEM; goto out; } wl1271_debug(DEBUG_CMD, "cmd role stop dev"); cmd->role_id = wlvif->dev_role_id; cmd->disc_type = DISCONNECT_IMMEDIATE; cmd->reason = cpu_to_le16(WLAN_REASON_UNSPECIFIED); ret = wl1271_cmd_send(wl, CMD_ROLE_STOP, cmd, sizeof(*cmd), 0); if (ret < 0) { wl1271_error("failed to initiate cmd role stop"); goto out_free; } wl12xx_free_link(wl, wlvif, &wlvif->dev_hlid); out_free: kfree(cmd); out: return ret; } int wl12xx_cmd_role_start_sta(struct wl1271 *wl, struct wl12xx_vif *wlvif) { struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif); struct wl12xx_cmd_role_start *cmd; u32 supported_rates; int ret; cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); if (!cmd) { ret = -ENOMEM; goto out; } wl1271_debug(DEBUG_CMD, "cmd role start sta %d", wlvif->role_id); cmd->role_id = wlvif->role_id; if (wlvif->band == NL80211_BAND_5GHZ) cmd->band = WLCORE_BAND_5GHZ; cmd->channel = wlvif->channel; cmd->sta.basic_rate_set = cpu_to_le32(wlvif->basic_rate_set); cmd->sta.beacon_interval = cpu_to_le16(wlvif->beacon_int); cmd->sta.ssid_type = WL12XX_SSID_TYPE_ANY; cmd->sta.ssid_len = wlvif->ssid_len; memcpy(cmd->sta.ssid, wlvif->ssid, wlvif->ssid_len); memcpy(cmd->sta.bssid, vif->bss_conf.bssid, ETH_ALEN); supported_rates = CONF_TX_ENABLED_RATES | CONF_TX_MCS_RATES | wlcore_hw_sta_get_ap_rate_mask(wl, wlvif); if (wlvif->p2p) supported_rates &= ~CONF_TX_CCK_RATES; cmd->sta.local_rates = cpu_to_le32(supported_rates); cmd->channel_type = wlcore_get_native_channel_type(wlvif->channel_type); if (wlvif->sta.hlid == WL12XX_INVALID_LINK_ID) { ret = wl12xx_allocate_link(wl, wlvif, &wlvif->sta.hlid); if (ret) goto out_free; } cmd->sta.hlid = wlvif->sta.hlid; cmd->sta.session = wl->session_ids[wlvif->sta.hlid]; /* * We don't have the correct remote rates in this stage. The * rates will be reconfigured later, after association, if the * firmware supports ACX_PEER_CAP. Otherwise, there's nothing * we can do, so use all supported_rates here. */ cmd->sta.remote_rates = cpu_to_le32(supported_rates); wl1271_debug(DEBUG_CMD, "role start: roleid=%d, hlid=%d, session=%d " "basic_rate_set: 0x%x, remote_rates: 0x%x", wlvif->role_id, cmd->sta.hlid, cmd->sta.session, wlvif->basic_rate_set, wlvif->rate_set); ret = wl1271_cmd_send(wl, CMD_ROLE_START, cmd, sizeof(*cmd), 0); if (ret < 0) { wl1271_error("failed to initiate cmd role start sta"); goto err_hlid; } wlvif->sta.role_chan_type = wlvif->channel_type; goto out_free; err_hlid: /* clear links on error. */ wl12xx_free_link(wl, wlvif, &wlvif->sta.hlid); out_free: kfree(cmd); out: return ret; } /* use this function to stop ibss as well */ int wl12xx_cmd_role_stop_sta(struct wl1271 *wl, struct wl12xx_vif *wlvif) { struct wl12xx_cmd_role_stop *cmd; int ret; if (WARN_ON(wlvif->sta.hlid == WL12XX_INVALID_LINK_ID)) return -EINVAL; cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); if (!cmd) { ret = -ENOMEM; goto out; } wl1271_debug(DEBUG_CMD, "cmd role stop sta %d", wlvif->role_id); cmd->role_id = wlvif->role_id; cmd->disc_type = DISCONNECT_IMMEDIATE; cmd->reason = cpu_to_le16(WLAN_REASON_UNSPECIFIED); ret = wl1271_cmd_send(wl, CMD_ROLE_STOP, cmd, sizeof(*cmd), 0); if (ret < 0) { wl1271_error("failed to initiate cmd role stop sta"); goto out_free; } wl12xx_free_link(wl, wlvif, &wlvif->sta.hlid); out_free: kfree(cmd); out: return ret; } int wl12xx_cmd_role_start_ap(struct wl1271 *wl, struct wl12xx_vif *wlvif) { struct wl12xx_cmd_role_start *cmd; struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif); struct ieee80211_bss_conf *bss_conf = &vif->bss_conf; u32 supported_rates; int ret; wl1271_debug(DEBUG_CMD, "cmd role start ap %d", wlvif->role_id); /* If MESH --> ssid_len is always 0 */ if (!ieee80211_vif_is_mesh(vif)) { /* trying to use hidden SSID with an old hostapd version */ if (wlvif->ssid_len == 0 && !bss_conf->hidden_ssid) { wl1271_error("got a null SSID from beacon/bss"); ret = -EINVAL; goto out; } } cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); if (!cmd) { ret = -ENOMEM; goto out; } ret = wl12xx_allocate_link(wl, wlvif, &wlvif->ap.global_hlid); if (ret < 0) goto out_free; ret = wl12xx_allocate_link(wl, wlvif, &wlvif->ap.bcast_hlid); if (ret < 0) goto out_free_global; /* use the previous security seq, if this is a recovery/resume */ wl->links[wlvif->ap.bcast_hlid].total_freed_pkts = wlvif->total_freed_pkts; cmd->role_id = wlvif->role_id; cmd->ap.aging_period = cpu_to_le16(wl->conf.tx.ap_aging_period); cmd->ap.bss_index = WL1271_AP_BSS_INDEX; cmd->ap.global_hlid = wlvif->ap.global_hlid; cmd->ap.broadcast_hlid = wlvif->ap.bcast_hlid; cmd->ap.global_session_id = wl->session_ids[wlvif->ap.global_hlid]; cmd->ap.bcast_session_id = wl->session_ids[wlvif->ap.bcast_hlid]; cmd->ap.basic_rate_set = cpu_to_le32(wlvif->basic_rate_set); cmd->ap.beacon_interval = cpu_to_le16(wlvif->beacon_int); cmd->ap.dtim_interval = bss_conf->dtim_period; cmd->ap.beacon_expiry = WL1271_AP_DEF_BEACON_EXP; /* FIXME: Change when adding DFS */ cmd->ap.reset_tsf = 1; /* By default reset AP TSF */ cmd->ap.wmm = wlvif->wmm_enabled; cmd->channel = wlvif->channel; cmd->channel_type = wlcore_get_native_channel_type(wlvif->channel_type); if (!bss_conf->hidden_ssid) { /* take the SSID from the beacon for backward compatibility */ cmd->ap.ssid_type = WL12XX_SSID_TYPE_PUBLIC; cmd->ap.ssid_len = wlvif->ssid_len; memcpy(cmd->ap.ssid, wlvif->ssid, wlvif->ssid_len); } else { cmd->ap.ssid_type = WL12XX_SSID_TYPE_HIDDEN; cmd->ap.ssid_len = vif->cfg.ssid_len; memcpy(cmd->ap.ssid, vif->cfg.ssid, vif->cfg.ssid_len); } supported_rates = CONF_TX_ENABLED_RATES | CONF_TX_MCS_RATES | wlcore_hw_ap_get_mimo_wide_rate_mask(wl, wlvif); if (wlvif->p2p) supported_rates &= ~CONF_TX_CCK_RATES; wl1271_debug(DEBUG_CMD, "cmd role start ap with supported_rates 0x%08x", supported_rates); cmd->ap.local_rates = cpu_to_le32(supported_rates); switch (wlvif->band) { case NL80211_BAND_2GHZ: cmd->band = WLCORE_BAND_2_4GHZ; break; case NL80211_BAND_5GHZ: cmd->band = WLCORE_BAND_5GHZ; break; default: wl1271_warning("ap start - unknown band: %d", (int)wlvif->band); cmd->band = WLCORE_BAND_2_4GHZ; break; } ret = wl1271_cmd_send(wl, CMD_ROLE_START, cmd, sizeof(*cmd), 0); if (ret < 0) { wl1271_error("failed to initiate cmd role start ap"); goto out_free_bcast; } goto out_free; out_free_bcast: wl12xx_free_link(wl, wlvif, &wlvif->ap.bcast_hlid); out_free_global: wl12xx_free_link(wl, wlvif, &wlvif->ap.global_hlid); out_free: kfree(cmd); out: return ret; } int wl12xx_cmd_role_stop_ap(struct wl1271 *wl, struct wl12xx_vif *wlvif) { struct wl12xx_cmd_role_stop *cmd; int ret; cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); if (!cmd) { ret = -ENOMEM; goto out; } wl1271_debug(DEBUG_CMD, "cmd role stop ap %d", wlvif->role_id); cmd->role_id = wlvif->role_id; ret = wl1271_cmd_send(wl, CMD_ROLE_STOP, cmd, sizeof(*cmd), 0); if (ret < 0) { wl1271_error("failed to initiate cmd role stop ap"); goto out_free; } wl12xx_free_link(wl, wlvif, &wlvif->ap.bcast_hlid); wl12xx_free_link(wl, wlvif, &wlvif->ap.global_hlid); out_free: kfree(cmd); out: return ret; } int wl12xx_cmd_role_start_ibss(struct wl1271 *wl, struct wl12xx_vif *wlvif) { struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif); struct wl12xx_cmd_role_start *cmd; struct ieee80211_bss_conf *bss_conf = &vif->bss_conf; int ret; cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); if (!cmd) { ret = -ENOMEM; goto out; } wl1271_debug(DEBUG_CMD, "cmd role start ibss %d", wlvif->role_id); cmd->role_id = wlvif->role_id; if (wlvif->band == NL80211_BAND_5GHZ) cmd->band = WLCORE_BAND_5GHZ; cmd->channel = wlvif->channel; cmd->ibss.basic_rate_set = cpu_to_le32(wlvif->basic_rate_set); cmd->ibss.beacon_interval = cpu_to_le16(wlvif->beacon_int); cmd->ibss.dtim_interval = bss_conf->dtim_period; cmd->ibss.ssid_type = WL12XX_SSID_TYPE_ANY; cmd->ibss.ssid_len = wlvif->ssid_len; memcpy(cmd->ibss.ssid, wlvif->ssid, wlvif->ssid_len); memcpy(cmd->ibss.bssid, vif->bss_conf.bssid, ETH_ALEN); cmd->sta.local_rates = cpu_to_le32(wlvif->rate_set); if (wlvif->sta.hlid == WL12XX_INVALID_LINK_ID) { ret = wl12xx_allocate_link(wl, wlvif, &wlvif->sta.hlid); if (ret) goto out_free; } cmd->ibss.hlid = wlvif->sta.hlid; cmd->ibss.remote_rates = cpu_to_le32(wlvif->rate_set); wl1271_debug(DEBUG_CMD, "role start: roleid=%d, hlid=%d, session=%d " "basic_rate_set: 0x%x, remote_rates: 0x%x", wlvif->role_id, cmd->sta.hlid, cmd->sta.session, wlvif->basic_rate_set, wlvif->rate_set); wl1271_debug(DEBUG_CMD, "vif->bss_conf.bssid = %pM", vif->bss_conf.bssid); ret = wl1271_cmd_send(wl, CMD_ROLE_START, cmd, sizeof(*cmd), 0); if (ret < 0) { wl1271_error("failed to initiate cmd role enable"); goto err_hlid; } goto out_free; err_hlid: /* clear links on error. */ wl12xx_free_link(wl, wlvif, &wlvif->sta.hlid); out_free: kfree(cmd); out: return ret; } /** * wl1271_cmd_test - send test command to firmware * * @wl: wl struct * @buf: buffer containing the command, with all headers, must work with dma * @buf_len: length of the buffer * @answer: is answer needed */ int wl1271_cmd_test(struct wl1271 *wl, void *buf, size_t buf_len, u8 answer) { int ret; size_t res_len = 0; wl1271_debug(DEBUG_CMD, "cmd test"); if (answer) res_len = buf_len; ret = wl1271_cmd_send(wl, CMD_TEST, buf, buf_len, res_len); if (ret < 0) { wl1271_warning("TEST command failed"); return ret; } return ret; } EXPORT_SYMBOL_GPL(wl1271_cmd_test); /** * wl1271_cmd_interrogate - read acx from firmware * * @wl: wl struct * @id: acx id * @buf: buffer for the response, including all headers, must work with dma * @cmd_len: length of command * @res_len: length of payload */ int wl1271_cmd_interrogate(struct wl1271 *wl, u16 id, void *buf, size_t cmd_len, size_t res_len) { struct acx_header *acx = buf; int ret; wl1271_debug(DEBUG_CMD, "cmd interrogate"); acx->id = cpu_to_le16(id); /* response payload length, does not include any headers */ acx->len = cpu_to_le16(res_len - sizeof(*acx)); ret = wl1271_cmd_send(wl, CMD_INTERROGATE, acx, cmd_len, res_len); if (ret < 0) wl1271_error("INTERROGATE command failed"); return ret; } /** * wlcore_cmd_configure_failsafe - write acx value to firmware * * @wl: wl struct * @id: acx id * @buf: buffer containing acx, including all headers, must work with dma * @len: length of buf * @valid_rets: bitmap of valid cmd status codes (i.e. return values). * return the cmd status on success. */ int wlcore_cmd_configure_failsafe(struct wl1271 *wl, u16 id, void *buf, size_t len, unsigned long valid_rets) { struct acx_header *acx = buf; int ret; wl1271_debug(DEBUG_CMD, "cmd configure (%d)", id); if (WARN_ON_ONCE(len < sizeof(*acx))) return -EIO; acx->id = cpu_to_le16(id); /* payload length, does not include any headers */ acx->len = cpu_to_le16(len - sizeof(*acx)); ret = wlcore_cmd_send_failsafe(wl, CMD_CONFIGURE, acx, len, 0, valid_rets); if (ret < 0) { wl1271_warning("CONFIGURE command NOK"); return ret; } return ret; } /* * wrapper for wlcore_cmd_configure that accepts only success status. * return 0 on success */ int wl1271_cmd_configure(struct wl1271 *wl, u16 id, void *buf, size_t len) { int ret = wlcore_cmd_configure_failsafe(wl, id, buf, len, 0); if (ret < 0) return ret; return 0; } EXPORT_SYMBOL_GPL(wl1271_cmd_configure); int wl1271_cmd_data_path(struct wl1271 *wl, bool enable) { struct cmd_enabledisable_path *cmd; int ret; u16 cmd_rx, cmd_tx; wl1271_debug(DEBUG_CMD, "cmd data path"); cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); if (!cmd) { ret = -ENOMEM; goto out; } /* the channel here is only used for calibration, so hardcoded to 1 */ cmd->channel = 1; if (enable) { cmd_rx = CMD_ENABLE_RX; cmd_tx = CMD_ENABLE_TX; } else { cmd_rx = CMD_DISABLE_RX; cmd_tx = CMD_DISABLE_TX; } ret = wl1271_cmd_send(wl, cmd_rx, cmd, sizeof(*cmd), 0); if (ret < 0) { wl1271_error("rx %s cmd for channel %d failed", enable ? "start" : "stop", cmd->channel); goto out; } wl1271_debug(DEBUG_BOOT, "rx %s cmd channel %d", enable ? "start" : "stop", cmd->channel); ret = wl1271_cmd_send(wl, cmd_tx, cmd, sizeof(*cmd), 0); if (ret < 0) { wl1271_error("tx %s cmd for channel %d failed", enable ? "start" : "stop", cmd->channel); goto out; } wl1271_debug(DEBUG_BOOT, "tx %s cmd channel %d", enable ? "start" : "stop", cmd->channel); out: kfree(cmd); return ret; } EXPORT_SYMBOL_GPL(wl1271_cmd_data_path); int wl1271_cmd_ps_mode(struct wl1271 *wl, struct wl12xx_vif *wlvif, u8 ps_mode, u16 auto_ps_timeout) { struct wl1271_cmd_ps_params *ps_params = NULL; int ret = 0; wl1271_debug(DEBUG_CMD, "cmd set ps mode"); ps_params = kzalloc(sizeof(*ps_params), GFP_KERNEL); if (!ps_params) { ret = -ENOMEM; goto out; } ps_params->role_id = wlvif->role_id; ps_params->ps_mode = ps_mode; ps_params->auto_ps_timeout = auto_ps_timeout; ret = wl1271_cmd_send(wl, CMD_SET_PS_MODE, ps_params, sizeof(*ps_params), 0); if (ret < 0) { wl1271_error("cmd set_ps_mode failed"); goto out; } out: kfree(ps_params); return ret; } int wl1271_cmd_template_set(struct wl1271 *wl, u8 role_id, u16 template_id, void *buf, size_t buf_len, int index, u32 rates) { struct wl1271_cmd_template_set *cmd; int ret = 0; wl1271_debug(DEBUG_CMD, "cmd template_set %d (role %d)", template_id, role_id); WARN_ON(buf_len > WL1271_CMD_TEMPL_MAX_SIZE); buf_len = min_t(size_t, buf_len, WL1271_CMD_TEMPL_MAX_SIZE); cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); if (!cmd) { ret = -ENOMEM; goto out; } /* during initialization wlvif is NULL */ cmd->role_id = role_id; cmd->len = cpu_to_le16(buf_len); cmd->template_type = template_id; cmd->enabled_rates = cpu_to_le32(rates); cmd->short_retry_limit = wl->conf.tx.tmpl_short_retry_limit; cmd->long_retry_limit = wl->conf.tx.tmpl_long_retry_limit; cmd->index = index; if (buf) memcpy(cmd->template_data, buf, buf_len); ret = wl1271_cmd_send(wl, CMD_SET_TEMPLATE, cmd, sizeof(*cmd), 0); if (ret < 0) { wl1271_warning("cmd set_template failed: %d", ret); goto out_free; } out_free: kfree(cmd); out: return ret; } int wl12xx_cmd_build_null_data(struct wl1271 *wl, struct wl12xx_vif *wlvif) { struct sk_buff *skb = NULL; int size; void *ptr; int ret = -ENOMEM; if (wlvif->bss_type == BSS_TYPE_IBSS) { size = sizeof(struct wl12xx_null_data_template); ptr = NULL; } else { skb = ieee80211_nullfunc_get(wl->hw, wl12xx_wlvif_to_vif(wlvif), -1, false); if (!skb) goto out; size = skb->len; ptr = skb->data; } ret = wl1271_cmd_template_set(wl, wlvif->role_id, CMD_TEMPL_NULL_DATA, ptr, size, 0, wlvif->basic_rate); out: dev_kfree_skb(skb); if (ret) wl1271_warning("cmd build null data failed %d", ret); return ret; } int wl12xx_cmd_build_klv_null_data(struct wl1271 *wl, struct wl12xx_vif *wlvif) { struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif); struct sk_buff *skb = NULL; int ret = -ENOMEM; skb = ieee80211_nullfunc_get(wl->hw, vif,-1, false); if (!skb) goto out; ret = wl1271_cmd_template_set(wl, wlvif->role_id, CMD_TEMPL_KLV, skb->data, skb->len, wlvif->sta.klv_template_id, wlvif->basic_rate); out: dev_kfree_skb(skb); if (ret) wl1271_warning("cmd build klv null data failed %d", ret); return ret; } int wl1271_cmd_build_ps_poll(struct wl1271 *wl, struct wl12xx_vif *wlvif, u16 aid) { struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif); struct sk_buff *skb; int ret = 0; skb = ieee80211_pspoll_get(wl->hw, vif); if (!skb) goto out; ret = wl1271_cmd_template_set(wl, wlvif->role_id, CMD_TEMPL_PS_POLL, skb->data, skb->len, 0, wlvif->basic_rate_set); out: dev_kfree_skb(skb); return ret; } int wl12xx_cmd_build_probe_req(struct wl1271 *wl, struct wl12xx_vif *wlvif, u8 role_id, u8 band, const u8 *ssid, size_t ssid_len, const u8 *ie0, size_t ie0_len, const u8 *ie1, size_t ie1_len, bool sched_scan) { struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif); struct sk_buff *skb; int ret; u32 rate; u16 template_id_2_4 = wl->scan_templ_id_2_4; u16 template_id_5 = wl->scan_templ_id_5; wl1271_debug(DEBUG_SCAN, "build probe request band %d", band); skb = ieee80211_probereq_get(wl->hw, vif->addr, ssid, ssid_len, ie0_len + ie1_len); if (!skb) { ret = -ENOMEM; goto out; } if (ie0_len) skb_put_data(skb, ie0, ie0_len); if (ie1_len) skb_put_data(skb, ie1, ie1_len); if (sched_scan && (wl->quirks & WLCORE_QUIRK_DUAL_PROBE_TMPL)) { template_id_2_4 = wl->sched_scan_templ_id_2_4; template_id_5 = wl->sched_scan_templ_id_5; } rate = wl1271_tx_min_rate_get(wl, wlvif->bitrate_masks[band]); if (band == NL80211_BAND_2GHZ) ret = wl1271_cmd_template_set(wl, role_id, template_id_2_4, skb->data, skb->len, 0, rate); else ret = wl1271_cmd_template_set(wl, role_id, template_id_5, skb->data, skb->len, 0, rate); out: dev_kfree_skb(skb); return ret; } EXPORT_SYMBOL_GPL(wl12xx_cmd_build_probe_req); struct sk_buff *wl1271_cmd_build_ap_probe_req(struct wl1271 *wl, struct wl12xx_vif *wlvif, struct sk_buff *skb) { struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif); int ret; u32 rate; if (!skb) skb = ieee80211_ap_probereq_get(wl->hw, vif); if (!skb) goto out; wl1271_debug(DEBUG_SCAN, "set ap probe request template"); rate = wl1271_tx_min_rate_get(wl, wlvif->bitrate_masks[wlvif->band]); if (wlvif->band == NL80211_BAND_2GHZ) ret = wl1271_cmd_template_set(wl, wlvif->role_id, CMD_TEMPL_CFG_PROBE_REQ_2_4, skb->data, skb->len, 0, rate); else ret = wl1271_cmd_template_set(wl, wlvif->role_id, CMD_TEMPL_CFG_PROBE_REQ_5, skb->data, skb->len, 0, rate); if (ret < 0) wl1271_error("Unable to set ap probe request template."); out: return skb; } int wl1271_cmd_build_arp_rsp(struct wl1271 *wl, struct wl12xx_vif *wlvif) { int ret, extra = 0; u16 fc; struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif); struct sk_buff *skb; struct wl12xx_arp_rsp_template *tmpl; struct ieee80211_hdr_3addr *hdr; struct arphdr *arp_hdr; skb = dev_alloc_skb(sizeof(*hdr) + sizeof(__le16) + sizeof(*tmpl) + WL1271_EXTRA_SPACE_MAX); if (!skb) { wl1271_error("failed to allocate buffer for arp rsp template"); return -ENOMEM; } skb_reserve(skb, sizeof(*hdr) + WL1271_EXTRA_SPACE_MAX); tmpl = skb_put_zero(skb, sizeof(*tmpl)); /* llc layer */ memcpy(tmpl->llc_hdr, rfc1042_header, sizeof(rfc1042_header)); tmpl->llc_type = cpu_to_be16(ETH_P_ARP); /* arp header */ arp_hdr = &tmpl->arp_hdr; arp_hdr->ar_hrd = cpu_to_be16(ARPHRD_ETHER); arp_hdr->ar_pro = cpu_to_be16(ETH_P_IP); arp_hdr->ar_hln = ETH_ALEN; arp_hdr->ar_pln = 4; arp_hdr->ar_op = cpu_to_be16(ARPOP_REPLY); /* arp payload */ memcpy(tmpl->sender_hw, vif->addr, ETH_ALEN); tmpl->sender_ip = wlvif->ip_addr; /* encryption space */ switch (wlvif->encryption_type) { case KEY_TKIP: if (wl->quirks & WLCORE_QUIRK_TKIP_HEADER_SPACE) extra = WL1271_EXTRA_SPACE_TKIP; break; case KEY_AES: extra = WL1271_EXTRA_SPACE_AES; break; case KEY_NONE: case KEY_WEP: case KEY_GEM: extra = 0; break; default: wl1271_warning("Unknown encryption type: %d", wlvif->encryption_type); ret = -EINVAL; goto out; } if (extra) { u8 *space = skb_push(skb, extra); memset(space, 0, extra); } /* QoS header - BE */ if (wlvif->sta.qos) memset(skb_push(skb, sizeof(__le16)), 0, sizeof(__le16)); /* mac80211 header */ hdr = skb_push(skb, sizeof(*hdr)); memset(hdr, 0, sizeof(*hdr)); fc = IEEE80211_FTYPE_DATA | IEEE80211_FCTL_TODS; if (wlvif->sta.qos) fc |= IEEE80211_STYPE_QOS_DATA; else fc |= IEEE80211_STYPE_DATA; if (wlvif->encryption_type != KEY_NONE) fc |= IEEE80211_FCTL_PROTECTED; hdr->frame_control = cpu_to_le16(fc); memcpy(hdr->addr1, vif->bss_conf.bssid, ETH_ALEN); memcpy(hdr->addr2, vif->addr, ETH_ALEN); eth_broadcast_addr(hdr->addr3); ret = wl1271_cmd_template_set(wl, wlvif->role_id, CMD_TEMPL_ARP_RSP, skb->data, skb->len, 0, wlvif->basic_rate); out: dev_kfree_skb(skb); return ret; } int wl1271_build_qos_null_data(struct wl1271 *wl, struct ieee80211_vif *vif) { struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); struct ieee80211_qos_hdr template; memset(&template, 0, sizeof(template)); memcpy(template.addr1, vif->bss_conf.bssid, ETH_ALEN); memcpy(template.addr2, vif->addr, ETH_ALEN); memcpy(template.addr3, vif->bss_conf.bssid, ETH_ALEN); template.frame_control = cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_NULLFUNC | IEEE80211_FCTL_TODS); /* FIXME: not sure what priority to use here */ template.qos_ctrl = cpu_to_le16(0); return wl1271_cmd_template_set(wl, wlvif->role_id, CMD_TEMPL_QOS_NULL_DATA, &template, sizeof(template), 0, wlvif->basic_rate); } int wl12xx_cmd_set_default_wep_key(struct wl1271 *wl, u8 id, u8 hlid) { struct wl1271_cmd_set_keys *cmd; int ret = 0; wl1271_debug(DEBUG_CMD, "cmd set_default_wep_key %d", id); cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); if (!cmd) { ret = -ENOMEM; goto out; } cmd->hlid = hlid; cmd->key_id = id; cmd->lid_key_type = WEP_DEFAULT_LID_TYPE; cmd->key_action = cpu_to_le16(KEY_SET_ID); cmd->key_type = KEY_WEP; ret = wl1271_cmd_send(wl, CMD_SET_KEYS, cmd, sizeof(*cmd), 0); if (ret < 0) { wl1271_warning("cmd set_default_wep_key failed: %d", ret); goto out; } out: kfree(cmd); return ret; } int wl1271_cmd_set_sta_key(struct wl1271 *wl, struct wl12xx_vif *wlvif, u16 action, u8 id, u8 key_type, u8 key_size, const u8 *key, const u8 *addr, u32 tx_seq_32, u16 tx_seq_16) { struct wl1271_cmd_set_keys *cmd; int ret = 0; /* hlid might have already been deleted */ if (wlvif->sta.hlid == WL12XX_INVALID_LINK_ID) return 0; cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); if (!cmd) { ret = -ENOMEM; goto out; } cmd->hlid = wlvif->sta.hlid; if (key_type == KEY_WEP) cmd->lid_key_type = WEP_DEFAULT_LID_TYPE; else if (is_broadcast_ether_addr(addr)) cmd->lid_key_type = BROADCAST_LID_TYPE; else cmd->lid_key_type = UNICAST_LID_TYPE; cmd->key_action = cpu_to_le16(action); cmd->key_size = key_size; cmd->key_type = key_type; cmd->ac_seq_num16[0] = cpu_to_le16(tx_seq_16); cmd->ac_seq_num32[0] = cpu_to_le32(tx_seq_32); cmd->key_id = id; if (key_type == KEY_TKIP) { /* * We get the key in the following form: * TKIP (16 bytes) - TX MIC (8 bytes) - RX MIC (8 bytes) * but the target is expecting: * TKIP - RX MIC - TX MIC */ memcpy(cmd->key, key, 16); memcpy(cmd->key + 16, key + 24, 8); memcpy(cmd->key + 24, key + 16, 8); } else { memcpy(cmd->key, key, key_size); } wl1271_dump(DEBUG_CRYPT, "TARGET KEY: ", cmd, sizeof(*cmd)); ret = wl1271_cmd_send(wl, CMD_SET_KEYS, cmd, sizeof(*cmd), 0); if (ret < 0) { wl1271_warning("could not set keys"); goto out; } out: kfree(cmd); return ret; } /* * TODO: merge with sta/ibss into 1 set_key function. * note there are slight diffs */ int wl1271_cmd_set_ap_key(struct wl1271 *wl, struct wl12xx_vif *wlvif, u16 action, u8 id, u8 key_type, u8 key_size, const u8 *key, u8 hlid, u32 tx_seq_32, u16 tx_seq_16, bool is_pairwise) { struct wl1271_cmd_set_keys *cmd; int ret = 0; u8 lid_type; cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); if (!cmd) return -ENOMEM; if (hlid == wlvif->ap.bcast_hlid) { if (key_type == KEY_WEP) lid_type = WEP_DEFAULT_LID_TYPE; else lid_type = BROADCAST_LID_TYPE; } else if (is_pairwise) { lid_type = UNICAST_LID_TYPE; } else { lid_type = BROADCAST_LID_TYPE; } wl1271_debug(DEBUG_CRYPT, "ap key action: %d id: %d lid: %d type: %d" " hlid: %d", (int)action, (int)id, (int)lid_type, (int)key_type, (int)hlid); cmd->lid_key_type = lid_type; cmd->hlid = hlid; cmd->key_action = cpu_to_le16(action); cmd->key_size = key_size; cmd->key_type = key_type; cmd->key_id = id; cmd->ac_seq_num16[0] = cpu_to_le16(tx_seq_16); cmd->ac_seq_num32[0] = cpu_to_le32(tx_seq_32); if (key_type == KEY_TKIP) { /* * We get the key in the following form: * TKIP (16 bytes) - TX MIC (8 bytes) - RX MIC (8 bytes) * but the target is expecting: * TKIP - RX MIC - TX MIC */ memcpy(cmd->key, key, 16); memcpy(cmd->key + 16, key + 24, 8); memcpy(cmd->key + 24, key + 16, 8); } else { memcpy(cmd->key, key, key_size); } wl1271_dump(DEBUG_CRYPT, "TARGET AP KEY: ", cmd, sizeof(*cmd)); ret = wl1271_cmd_send(wl, CMD_SET_KEYS, cmd, sizeof(*cmd), 0); if (ret < 0) { wl1271_warning("could not set ap keys"); goto out; } out: kfree(cmd); return ret; } int wl12xx_cmd_set_peer_state(struct wl1271 *wl, struct wl12xx_vif *wlvif, u8 hlid) { struct wl12xx_cmd_set_peer_state *cmd; int ret = 0; wl1271_debug(DEBUG_CMD, "cmd set peer state (hlid=%d)", hlid); cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); if (!cmd) { ret = -ENOMEM; goto out; } cmd->hlid = hlid; cmd->state = WL1271_CMD_STA_STATE_CONNECTED; /* wmm param is valid only for station role */ if (wlvif->bss_type == BSS_TYPE_STA_BSS) cmd->wmm = wlvif->wmm_enabled; ret = wl1271_cmd_send(wl, CMD_SET_PEER_STATE, cmd, sizeof(*cmd), 0); if (ret < 0) { wl1271_error("failed to send set peer state command"); goto out_free; } out_free: kfree(cmd); out: return ret; } int wl12xx_cmd_add_peer(struct wl1271 *wl, struct wl12xx_vif *wlvif, struct ieee80211_sta *sta, u8 hlid) { struct wl12xx_cmd_add_peer *cmd; int i, ret; u32 sta_rates; wl1271_debug(DEBUG_CMD, "cmd add peer %d", (int)hlid); cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); if (!cmd) { ret = -ENOMEM; goto out; } memcpy(cmd->addr, sta->addr, ETH_ALEN); cmd->bss_index = WL1271_AP_BSS_INDEX; cmd->aid = sta->aid; cmd->hlid = hlid; cmd->sp_len = sta->max_sp; cmd->wmm = sta->wme ? 1 : 0; cmd->session_id = wl->session_ids[hlid]; cmd->role_id = wlvif->role_id; for (i = 0; i < NUM_ACCESS_CATEGORIES_COPY; i++) if (sta->wme && (sta->uapsd_queues & BIT(i))) cmd->psd_type[NUM_ACCESS_CATEGORIES_COPY-1-i] = WL1271_PSD_UPSD_TRIGGER; else cmd->psd_type[NUM_ACCESS_CATEGORIES_COPY-1-i] = WL1271_PSD_LEGACY; sta_rates = sta->deflink.supp_rates[wlvif->band]; if (sta->deflink.ht_cap.ht_supported) sta_rates |= (sta->deflink.ht_cap.mcs.rx_mask[0] << HW_HT_RATES_OFFSET) | (sta->deflink.ht_cap.mcs.rx_mask[1] << HW_MIMO_RATES_OFFSET); cmd->supported_rates = cpu_to_le32(wl1271_tx_enabled_rates_get(wl, sta_rates, wlvif->band)); if (!cmd->supported_rates) { wl1271_debug(DEBUG_CMD, "peer has no supported rates yet, configuring basic rates: 0x%x", wlvif->basic_rate_set); cmd->supported_rates = cpu_to_le32(wlvif->basic_rate_set); } wl1271_debug(DEBUG_CMD, "new peer rates=0x%x queues=0x%x", cmd->supported_rates, sta->uapsd_queues); ret = wl1271_cmd_send(wl, CMD_ADD_PEER, cmd, sizeof(*cmd), 0); if (ret < 0) { wl1271_error("failed to initiate cmd add peer"); goto out_free; } out_free: kfree(cmd); out: return ret; } int wl12xx_cmd_remove_peer(struct wl1271 *wl, struct wl12xx_vif *wlvif, u8 hlid) { struct wl12xx_cmd_remove_peer *cmd; int ret; bool timeout = false; wl1271_debug(DEBUG_CMD, "cmd remove peer %d", (int)hlid); cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); if (!cmd) { ret = -ENOMEM; goto out; } cmd->hlid = hlid; /* We never send a deauth, mac80211 is in charge of this */ cmd->reason_opcode = 0; cmd->send_deauth_flag = 0; cmd->role_id = wlvif->role_id; ret = wl1271_cmd_send(wl, CMD_REMOVE_PEER, cmd, sizeof(*cmd), 0); if (ret < 0) { wl1271_error("failed to initiate cmd remove peer"); goto out_free; } ret = wl->ops->wait_for_event(wl, WLCORE_EVENT_PEER_REMOVE_COMPLETE, &timeout); /* * We are ok with a timeout here. The event is sometimes not sent * due to a firmware bug. In case of another error (like SDIO timeout) * queue a recovery. */ if (ret) wl12xx_queue_recovery_work(wl); out_free: kfree(cmd); out: return ret; } static int wlcore_get_reg_conf_ch_idx(enum nl80211_band band, u16 ch) { /* * map the given band/channel to the respective predefined * bit expected by the fw */ switch (band) { case NL80211_BAND_2GHZ: /* channels 1..14 are mapped to 0..13 */ if (ch >= 1 && ch <= 14) return ch - 1; break; case NL80211_BAND_5GHZ: switch (ch) { case 8 ... 16: /* channels 8,12,16 are mapped to 18,19,20 */ return 18 + (ch-8)/4; case 34 ... 48: /* channels 34,36..48 are mapped to 21..28 */ return 21 + (ch-34)/2; case 52 ... 64: /* channels 52,56..64 are mapped to 29..32 */ return 29 + (ch-52)/4; case 100 ... 140: /* channels 100,104..140 are mapped to 33..43 */ return 33 + (ch-100)/4; case 149 ... 165: /* channels 149,153..165 are mapped to 44..48 */ return 44 + (ch-149)/4; default: break; } break; default: break; } wl1271_error("%s: unknown band/channel: %d/%d", __func__, band, ch); return -1; } void wlcore_set_pending_regdomain_ch(struct wl1271 *wl, u16 channel, enum nl80211_band band) { int ch_bit_idx = 0; if (!(wl->quirks & WLCORE_QUIRK_REGDOMAIN_CONF)) return; ch_bit_idx = wlcore_get_reg_conf_ch_idx(band, channel); if (ch_bit_idx >= 0 && ch_bit_idx <= WL1271_MAX_CHANNELS) __set_bit_le(ch_bit_idx, (long *)wl->reg_ch_conf_pending); } int wlcore_cmd_regdomain_config_locked(struct wl1271 *wl) { struct wl12xx_cmd_regdomain_dfs_config *cmd = NULL; int ret = 0, i, b, ch_bit_idx; __le32 tmp_ch_bitmap[2] __aligned(sizeof(unsigned long)); struct wiphy *wiphy = wl->hw->wiphy; struct ieee80211_supported_band *band; bool timeout = false; if (!(wl->quirks & WLCORE_QUIRK_REGDOMAIN_CONF)) return 0; wl1271_debug(DEBUG_CMD, "cmd reg domain config"); memcpy(tmp_ch_bitmap, wl->reg_ch_conf_pending, sizeof(tmp_ch_bitmap)); for (b = NL80211_BAND_2GHZ; b <= NL80211_BAND_5GHZ; b++) { band = wiphy->bands[b]; for (i = 0; i < band->n_channels; i++) { struct ieee80211_channel *channel = &band->channels[i]; u16 ch = channel->hw_value; u32 flags = channel->flags; if (flags & (IEEE80211_CHAN_DISABLED | IEEE80211_CHAN_NO_IR)) continue; if ((flags & IEEE80211_CHAN_RADAR) && channel->dfs_state != NL80211_DFS_AVAILABLE) continue; ch_bit_idx = wlcore_get_reg_conf_ch_idx(b, ch); if (ch_bit_idx < 0) continue; __set_bit_le(ch_bit_idx, (long *)tmp_ch_bitmap); } } if (!memcmp(tmp_ch_bitmap, wl->reg_ch_conf_last, sizeof(tmp_ch_bitmap))) goto out; cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); if (!cmd) { ret = -ENOMEM; goto out; } cmd->ch_bit_map1 = tmp_ch_bitmap[0]; cmd->ch_bit_map2 = tmp_ch_bitmap[1]; cmd->dfs_region = wl->dfs_region; wl1271_debug(DEBUG_CMD, "cmd reg domain bitmap1: 0x%08x, bitmap2: 0x%08x", cmd->ch_bit_map1, cmd->ch_bit_map2); ret = wl1271_cmd_send(wl, CMD_DFS_CHANNEL_CONFIG, cmd, sizeof(*cmd), 0); if (ret < 0) { wl1271_error("failed to send reg domain dfs config"); goto out; } ret = wl->ops->wait_for_event(wl, WLCORE_EVENT_DFS_CONFIG_COMPLETE, &timeout); if (ret < 0 || timeout) { wl1271_error("reg domain conf %serror", timeout ? "completion " : ""); ret = timeout ? -ETIMEDOUT : ret; goto out; } memcpy(wl->reg_ch_conf_last, tmp_ch_bitmap, sizeof(tmp_ch_bitmap)); memset(wl->reg_ch_conf_pending, 0, sizeof(wl->reg_ch_conf_pending)); out: kfree(cmd); return ret; } int wl12xx_cmd_config_fwlog(struct wl1271 *wl) { struct wl12xx_cmd_config_fwlog *cmd; int ret = 0; wl1271_debug(DEBUG_CMD, "cmd config firmware logger"); cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); if (!cmd) { ret = -ENOMEM; goto out; } cmd->logger_mode = wl->conf.fwlog.mode; cmd->log_severity = wl->conf.fwlog.severity; cmd->timestamp = wl->conf.fwlog.timestamp; cmd->output = wl->conf.fwlog.output; cmd->threshold = wl->conf.fwlog.threshold; ret = wl1271_cmd_send(wl, CMD_CONFIG_FWLOGGER, cmd, sizeof(*cmd), 0); if (ret < 0) { wl1271_error("failed to send config firmware logger command"); goto out_free; } out_free: kfree(cmd); out: return ret; } int wl12xx_cmd_start_fwlog(struct wl1271 *wl) { struct wl12xx_cmd_start_fwlog *cmd; int ret = 0; wl1271_debug(DEBUG_CMD, "cmd start firmware logger"); cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); if (!cmd) { ret = -ENOMEM; goto out; } ret = wl1271_cmd_send(wl, CMD_START_FWLOGGER, cmd, sizeof(*cmd), 0); if (ret < 0) { wl1271_error("failed to send start firmware logger command"); goto out_free; } out_free: kfree(cmd); out: return ret; } int wl12xx_cmd_stop_fwlog(struct wl1271 *wl) { struct wl12xx_cmd_stop_fwlog *cmd; int ret = 0; wl1271_debug(DEBUG_CMD, "cmd stop firmware logger"); cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); if (!cmd) { ret = -ENOMEM; goto out; } ret = wl1271_cmd_send(wl, CMD_STOP_FWLOGGER, cmd, sizeof(*cmd), 0); if (ret < 0) { wl1271_error("failed to send stop firmware logger command"); goto out_free; } out_free: kfree(cmd); out: return ret; } static int wl12xx_cmd_roc(struct wl1271 *wl, struct wl12xx_vif *wlvif, u8 role_id, enum nl80211_band band, u8 channel) { struct wl12xx_cmd_roc *cmd; int ret = 0; wl1271_debug(DEBUG_CMD, "cmd roc %d (%d)", channel, role_id); if (WARN_ON(role_id == WL12XX_INVALID_ROLE_ID)) return -EINVAL; cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); if (!cmd) { ret = -ENOMEM; goto out; } cmd->role_id = role_id; cmd->channel = channel; switch (band) { case NL80211_BAND_2GHZ: cmd->band = WLCORE_BAND_2_4GHZ; break; case NL80211_BAND_5GHZ: cmd->band = WLCORE_BAND_5GHZ; break; default: wl1271_error("roc - unknown band: %d", (int)wlvif->band); ret = -EINVAL; goto out_free; } ret = wl1271_cmd_send(wl, CMD_REMAIN_ON_CHANNEL, cmd, sizeof(*cmd), 0); if (ret < 0) { wl1271_error("failed to send ROC command"); goto out_free; } out_free: kfree(cmd); out: return ret; } static int wl12xx_cmd_croc(struct wl1271 *wl, u8 role_id) { struct wl12xx_cmd_croc *cmd; int ret = 0; wl1271_debug(DEBUG_CMD, "cmd croc (%d)", role_id); cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); if (!cmd) { ret = -ENOMEM; goto out; } cmd->role_id = role_id; ret = wl1271_cmd_send(wl, CMD_CANCEL_REMAIN_ON_CHANNEL, cmd, sizeof(*cmd), 0); if (ret < 0) { wl1271_error("failed to send ROC command"); goto out_free; } out_free: kfree(cmd); out: return ret; } int wl12xx_roc(struct wl1271 *wl, struct wl12xx_vif *wlvif, u8 role_id, enum nl80211_band band, u8 channel) { int ret = 0; if (WARN_ON(test_bit(role_id, wl->roc_map))) return 0; ret = wl12xx_cmd_roc(wl, wlvif, role_id, band, channel); if (ret < 0) goto out; __set_bit(role_id, wl->roc_map); out: return ret; } int wl12xx_croc(struct wl1271 *wl, u8 role_id) { int ret = 0; if (WARN_ON(!test_bit(role_id, wl->roc_map))) return 0; ret = wl12xx_cmd_croc(wl, role_id); if (ret < 0) goto out; __clear_bit(role_id, wl->roc_map); /* * Rearm the tx watchdog when removing the last ROC. This prevents * recoveries due to just finished ROCs - when Tx hasn't yet had * a chance to get out. */ if (find_first_bit(wl->roc_map, WL12XX_MAX_ROLES) >= WL12XX_MAX_ROLES) wl12xx_rearm_tx_watchdog_locked(wl); out: return ret; } int wl12xx_cmd_stop_channel_switch(struct wl1271 *wl, struct wl12xx_vif *wlvif) { struct wl12xx_cmd_stop_channel_switch *cmd; int ret; wl1271_debug(DEBUG_ACX, "cmd stop channel switch"); cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); if (!cmd) { ret = -ENOMEM; goto out; } cmd->role_id = wlvif->role_id; ret = wl1271_cmd_send(wl, CMD_STOP_CHANNEL_SWICTH, cmd, sizeof(*cmd), 0); if (ret < 0) { wl1271_error("failed to stop channel switch command"); goto out_free; } out_free: kfree(cmd); out: return ret; } /* start dev role and roc on its channel */ int wl12xx_start_dev(struct wl1271 *wl, struct wl12xx_vif *wlvif, enum nl80211_band band, int channel) { int ret; if (WARN_ON(!(wlvif->bss_type == BSS_TYPE_STA_BSS || wlvif->bss_type == BSS_TYPE_IBSS))) return -EINVAL; /* the dev role is already started for p2p mgmt interfaces */ if (!wlcore_is_p2p_mgmt(wlvif)) { ret = wl12xx_cmd_role_enable(wl, wl12xx_wlvif_to_vif(wlvif)->addr, WL1271_ROLE_DEVICE, &wlvif->dev_role_id); if (ret < 0) goto out; } ret = wl12xx_cmd_role_start_dev(wl, wlvif, band, channel); if (ret < 0) goto out_disable; ret = wl12xx_roc(wl, wlvif, wlvif->dev_role_id, band, channel); if (ret < 0) goto out_stop; return 0; out_stop: wl12xx_cmd_role_stop_dev(wl, wlvif); out_disable: if (!wlcore_is_p2p_mgmt(wlvif)) wl12xx_cmd_role_disable(wl, &wlvif->dev_role_id); out: return ret; } /* croc dev hlid, and stop the role */ int wl12xx_stop_dev(struct wl1271 *wl, struct wl12xx_vif *wlvif) { int ret; if (WARN_ON(!(wlvif->bss_type == BSS_TYPE_STA_BSS || wlvif->bss_type == BSS_TYPE_IBSS))) return -EINVAL; /* flush all pending packets */ ret = wlcore_tx_work_locked(wl); if (ret < 0) goto out; if (test_bit(wlvif->dev_role_id, wl->roc_map)) { ret = wl12xx_croc(wl, wlvif->dev_role_id); if (ret < 0) goto out; } ret = wl12xx_cmd_role_stop_dev(wl, wlvif); if (ret < 0) goto out; if (!wlcore_is_p2p_mgmt(wlvif)) { ret = wl12xx_cmd_role_disable(wl, &wlvif->dev_role_id); if (ret < 0) goto out; } out: return ret; } int wlcore_cmd_generic_cfg(struct wl1271 *wl, struct wl12xx_vif *wlvif, u8 feature, u8 enable, u8 value) { struct wlcore_cmd_generic_cfg *cmd; int ret; wl1271_debug(DEBUG_CMD, "cmd generic cfg (role %d feature %d enable %d value %d)", wlvif->role_id, feature, enable, value); cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); if (!cmd) return -ENOMEM; cmd->role_id = wlvif->role_id; cmd->feature = feature; cmd->enable = enable; cmd->value = value; ret = wl1271_cmd_send(wl, CMD_GENERIC_CFG, cmd, sizeof(*cmd), 0); if (ret < 0) { wl1271_error("failed to send generic cfg command"); goto out_free; } out_free: kfree(cmd); return ret; } EXPORT_SYMBOL_GPL(wlcore_cmd_generic_cfg);
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