cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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cmd.c (5339B)


      1// SPDX-License-Identifier: GPL-2.0-only
      2/*
      3 * This file is part of wl18xx
      4 *
      5 * Copyright (C) 2011 Texas Instruments Inc.
      6 */
      7
      8#include "../wlcore/cmd.h"
      9#include "../wlcore/debug.h"
     10#include "../wlcore/hw_ops.h"
     11
     12#include "cmd.h"
     13
     14int wl18xx_cmd_channel_switch(struct wl1271 *wl,
     15			      struct wl12xx_vif *wlvif,
     16			      struct ieee80211_channel_switch *ch_switch)
     17{
     18	struct wl18xx_cmd_channel_switch *cmd;
     19	u32 supported_rates;
     20	int ret;
     21
     22	wl1271_debug(DEBUG_ACX, "cmd channel switch (count=%d)",
     23		     ch_switch->count);
     24
     25	cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
     26	if (!cmd) {
     27		ret = -ENOMEM;
     28		goto out;
     29	}
     30
     31	cmd->role_id = wlvif->role_id;
     32	cmd->channel = ch_switch->chandef.chan->hw_value;
     33	cmd->switch_time = ch_switch->count;
     34	cmd->stop_tx = ch_switch->block_tx;
     35
     36	switch (ch_switch->chandef.chan->band) {
     37	case NL80211_BAND_2GHZ:
     38		cmd->band = WLCORE_BAND_2_4GHZ;
     39		break;
     40	case NL80211_BAND_5GHZ:
     41		cmd->band = WLCORE_BAND_5GHZ;
     42		break;
     43	default:
     44		wl1271_error("invalid channel switch band: %d",
     45			     ch_switch->chandef.chan->band);
     46		ret = -EINVAL;
     47		goto out_free;
     48	}
     49
     50	supported_rates = CONF_TX_ENABLED_RATES | CONF_TX_MCS_RATES;
     51	if (wlvif->bss_type == BSS_TYPE_STA_BSS)
     52		supported_rates |= wlcore_hw_sta_get_ap_rate_mask(wl, wlvif);
     53	else
     54		supported_rates |=
     55			wlcore_hw_ap_get_mimo_wide_rate_mask(wl, wlvif);
     56	if (wlvif->p2p)
     57		supported_rates &= ~CONF_TX_CCK_RATES;
     58	cmd->local_supported_rates = cpu_to_le32(supported_rates);
     59	cmd->channel_type = wlvif->channel_type;
     60
     61	ret = wl1271_cmd_send(wl, CMD_CHANNEL_SWITCH, cmd, sizeof(*cmd), 0);
     62	if (ret < 0) {
     63		wl1271_error("failed to send channel switch command");
     64		goto out_free;
     65	}
     66
     67out_free:
     68	kfree(cmd);
     69out:
     70	return ret;
     71}
     72
     73int wl18xx_cmd_smart_config_start(struct wl1271 *wl, u32 group_bitmap)
     74{
     75	struct wl18xx_cmd_smart_config_start *cmd;
     76	int ret = 0;
     77
     78	wl1271_debug(DEBUG_CMD, "cmd smart config start group_bitmap=0x%x",
     79		     group_bitmap);
     80
     81	cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
     82	if (!cmd) {
     83		ret = -ENOMEM;
     84		goto out;
     85	}
     86
     87	cmd->group_id_bitmask = cpu_to_le32(group_bitmap);
     88
     89	ret = wl1271_cmd_send(wl, CMD_SMART_CONFIG_START, cmd, sizeof(*cmd), 0);
     90	if (ret < 0) {
     91		wl1271_error("failed to send smart config start command");
     92		goto out_free;
     93	}
     94
     95out_free:
     96	kfree(cmd);
     97out:
     98	return ret;
     99}
    100
    101int wl18xx_cmd_smart_config_stop(struct wl1271 *wl)
    102{
    103	struct wl1271_cmd_header *cmd;
    104	int ret = 0;
    105
    106	wl1271_debug(DEBUG_CMD, "cmd smart config stop");
    107
    108	cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
    109	if (!cmd) {
    110		ret = -ENOMEM;
    111		goto out;
    112	}
    113
    114	ret = wl1271_cmd_send(wl, CMD_SMART_CONFIG_STOP, cmd, sizeof(*cmd), 0);
    115	if (ret < 0) {
    116		wl1271_error("failed to send smart config stop command");
    117		goto out_free;
    118	}
    119
    120out_free:
    121	kfree(cmd);
    122out:
    123	return ret;
    124}
    125
    126int wl18xx_cmd_smart_config_set_group_key(struct wl1271 *wl, u16 group_id,
    127					  u8 key_len, u8 *key)
    128{
    129	struct wl18xx_cmd_smart_config_set_group_key *cmd;
    130	int ret = 0;
    131
    132	wl1271_debug(DEBUG_CMD, "cmd smart config set group key id=0x%x",
    133		     group_id);
    134
    135	if (key_len != sizeof(cmd->key)) {
    136		wl1271_error("invalid group key size: %d", key_len);
    137		return -E2BIG;
    138	}
    139
    140	cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
    141	if (!cmd) {
    142		ret = -ENOMEM;
    143		goto out;
    144	}
    145
    146	cmd->group_id = cpu_to_le32(group_id);
    147	memcpy(cmd->key, key, key_len);
    148
    149	ret = wl1271_cmd_send(wl, CMD_SMART_CONFIG_SET_GROUP_KEY, cmd,
    150			      sizeof(*cmd), 0);
    151	if (ret < 0) {
    152		wl1271_error("failed to send smart config set group key cmd");
    153		goto out_free;
    154	}
    155
    156out_free:
    157	kfree(cmd);
    158out:
    159	return ret;
    160}
    161
    162int wl18xx_cmd_set_cac(struct wl1271 *wl, struct wl12xx_vif *wlvif, bool start)
    163{
    164	struct wlcore_cmd_cac_start *cmd;
    165	int ret = 0;
    166
    167	wl1271_debug(DEBUG_CMD, "cmd cac (channel %d) %s",
    168		     wlvif->channel, start ? "start" : "stop");
    169
    170	cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
    171	if (!cmd)
    172		return -ENOMEM;
    173
    174	cmd->role_id = wlvif->role_id;
    175	cmd->channel = wlvif->channel;
    176	if (wlvif->band == NL80211_BAND_5GHZ)
    177		cmd->band = WLCORE_BAND_5GHZ;
    178	cmd->bandwidth = wlcore_get_native_channel_type(wlvif->channel_type);
    179
    180	ret = wl1271_cmd_send(wl,
    181			      start ? CMD_CAC_START : CMD_CAC_STOP,
    182			      cmd, sizeof(*cmd), 0);
    183	if (ret < 0) {
    184		wl1271_error("failed to send cac command");
    185		goto out_free;
    186	}
    187
    188out_free:
    189	kfree(cmd);
    190	return ret;
    191}
    192
    193int wl18xx_cmd_radar_detection_debug(struct wl1271 *wl, u8 channel)
    194{
    195	struct wl18xx_cmd_dfs_radar_debug *cmd;
    196	int ret = 0;
    197
    198	wl1271_debug(DEBUG_CMD, "cmd radar detection debug (chan %d)",
    199		     channel);
    200
    201	cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
    202	if (!cmd)
    203		return -ENOMEM;
    204
    205	cmd->channel = channel;
    206
    207	ret = wl1271_cmd_send(wl, CMD_DFS_RADAR_DETECTION_DEBUG,
    208			      cmd, sizeof(*cmd), 0);
    209	if (ret < 0) {
    210		wl1271_error("failed to send radar detection debug command");
    211		goto out_free;
    212	}
    213
    214out_free:
    215	kfree(cmd);
    216	return ret;
    217}
    218
    219int wl18xx_cmd_dfs_master_restart(struct wl1271 *wl, struct wl12xx_vif *wlvif)
    220{
    221	struct wl18xx_cmd_dfs_master_restart *cmd;
    222	int ret = 0;
    223
    224	wl1271_debug(DEBUG_CMD, "cmd dfs master restart (role %d)",
    225		     wlvif->role_id);
    226
    227	cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
    228	if (!cmd)
    229		return -ENOMEM;
    230
    231	cmd->role_id = wlvif->role_id;
    232
    233	ret = wl1271_cmd_send(wl, CMD_DFS_MASTER_RESTART,
    234			      cmd, sizeof(*cmd), 0);
    235	if (ret < 0) {
    236		wl1271_error("failed to send dfs master restart command");
    237		goto out_free;
    238	}
    239out_free:
    240	kfree(cmd);
    241	return ret;
    242}