mirror of
https://github.com/brain-hackers/linux-brain.git
synced 2024-06-09 23:36:23 +09:00
5b0efb4d67
Remove circular lock dependency by using atomic version of interfaces
iterate in watch_dog_work(), hence avoid taking local->iflist_mtx
(rtw_vif_watch_dog_iter() only update some data, it can be called from
atomic context). Fixes below LOCKDEP warning:
[ 1157.219415] ======================================================
[ 1157.225772] [ INFO: possible circular locking dependency detected ]
[ 1157.232150] 3.10.0-1043.el7.sgruszka1.x86_64.debug #1 Not tainted
[ 1157.238346] -------------------------------------------------------
[ 1157.244635] kworker/u4:2/14490 is trying to acquire lock:
[ 1157.250194] (&rtwdev->mutex){+.+.+.}, at: [<ffffffffc098322b>] rtw_ops_config+0x2b/0x90 [rtw88]
[ 1157.259151]
but task is already holding lock:
[ 1157.265085] (&local->iflist_mtx){+.+...}, at: [<ffffffffc0b8ab7a>] ieee80211_mgd_probe_ap.part.28+0xca/0x160 [mac80211]
[ 1157.276169]
which lock already depends on the new lock.
[ 1157.284488]
the existing dependency chain (in reverse order) is:
[ 1157.292101]
-> #2 (&local->iflist_mtx){+.+...}:
[ 1157.296919] [<ffffffffbc741a29>] lock_acquire+0x99/0x1e0
[ 1157.302955] [<ffffffffbce72793>] mutex_lock_nested+0x93/0x410
[ 1157.309416] [<ffffffffc0b6038f>] ieee80211_iterate_interfaces+0x2f/0x60 [mac80211]
[ 1157.317730] [<ffffffffc09811ab>] rtw_watch_dog_work+0xcb/0x130 [rtw88]
[ 1157.325003] [<ffffffffbc6d77bc>] process_one_work+0x22c/0x720
[ 1157.331481] [<ffffffffbc6d7dd6>] worker_thread+0x126/0x3b0
[ 1157.337589] [<ffffffffbc6e107f>] kthread+0xef/0x100
[ 1157.343260] [<ffffffffbce848b7>] ret_from_fork_nospec_end+0x0/0x39
[ 1157.350091]
-> #1 ((&(&rtwdev->watch_dog_work)->work)){+.+...}:
[ 1157.356314] [<ffffffffbc741a29>] lock_acquire+0x99/0x1e0
[ 1157.362427] [<ffffffffbc6d570b>] flush_work+0x5b/0x310
[ 1157.368287] [<ffffffffbc6d740e>] __cancel_work_timer+0xae/0x170
[ 1157.374940] [<ffffffffbc6d7583>] cancel_delayed_work_sync+0x13/0x20
[ 1157.381930] [<ffffffffc0982b49>] rtw_core_stop+0x29/0x50 [rtw88]
[ 1157.388679] [<ffffffffc098bee6>] rtw_enter_ips+0x16/0x20 [rtw88]
[ 1157.395428] [<ffffffffc0983242>] rtw_ops_config+0x42/0x90 [rtw88]
[ 1157.402173] [<ffffffffc0b13343>] ieee80211_hw_config+0xc3/0x680 [mac80211]
[ 1157.409854] [<ffffffffc0b3925b>] ieee80211_do_open+0x69b/0x9c0 [mac80211]
[ 1157.417418] [<ffffffffc0b395e9>] ieee80211_open+0x69/0x70 [mac80211]
[ 1157.424496] [<ffffffffbcd03442>] __dev_open+0xe2/0x160
[ 1157.430356] [<ffffffffbcd03773>] __dev_change_flags+0xa3/0x180
[ 1157.436922] [<ffffffffbcd03879>] dev_change_flags+0x29/0x60
[ 1157.443224] [<ffffffffbcda14c4>] devinet_ioctl+0x794/0x890
[ 1157.449331] [<ffffffffbcda27b5>] inet_ioctl+0x75/0xa0
[ 1157.455087] [<ffffffffbccd54eb>] sock_do_ioctl+0x2b/0x60
[ 1157.461178] [<ffffffffbccd5753>] sock_ioctl+0x233/0x310
[ 1157.467109] [<ffffffffbc8bd820>] do_vfs_ioctl+0x410/0x6c0
[ 1157.473233] [<ffffffffbc8bdb71>] SyS_ioctl+0xa1/0xc0
[ 1157.478914] [<ffffffffbce84a5e>] system_call_fastpath+0x25/0x2a
[ 1157.485569]
-> #0 (&rtwdev->mutex){+.+.+.}:
[ 1157.490022] [<ffffffffbc7409d1>] __lock_acquire+0xec1/0x1630
[ 1157.496305] [<ffffffffbc741a29>] lock_acquire+0x99/0x1e0
[ 1157.502413] [<ffffffffbce72793>] mutex_lock_nested+0x93/0x410
[ 1157.508890] [<ffffffffc098322b>] rtw_ops_config+0x2b/0x90 [rtw88]
[ 1157.515724] [<ffffffffc0b13343>] ieee80211_hw_config+0xc3/0x680 [mac80211]
[ 1157.523370] [<ffffffffc0b8a4ca>] ieee80211_recalc_ps.part.27+0x9a/0x180 [mac80211]
[ 1157.531685] [<ffffffffc0b8abc5>] ieee80211_mgd_probe_ap.part.28+0x115/0x160 [mac80211]
[ 1157.540353] [<ffffffffc0b8b40d>] ieee80211_beacon_connection_loss_work+0x4d/0x80 [mac80211]
[ 1157.549513] [<ffffffffbc6d77bc>] process_one_work+0x22c/0x720
[ 1157.555886] [<ffffffffbc6d7dd6>] worker_thread+0x126/0x3b0
[ 1157.562170] [<ffffffffbc6e107f>] kthread+0xef/0x100
[ 1157.567765] [<ffffffffbce848b7>] ret_from_fork_nospec_end+0x0/0x39
[ 1157.574579]
other info that might help us debug this:
[ 1157.582788] Chain exists of:
&rtwdev->mutex --> (&(&rtwdev->watch_dog_work)->work) --> &local->iflist_mtx
[ 1157.593024] Possible unsafe locking scenario:
[ 1157.599046] CPU0 CPU1
[ 1157.603653] ---- ----
[ 1157.608258] lock(&local->iflist_mtx);
[ 1157.612180] lock((&(&rtwdev->watch_dog_work)->work));
[ 1157.620074] lock(&local->iflist_mtx);
[ 1157.626555] lock(&rtwdev->mutex);
[ 1157.630124]
*** DEADLOCK ***
[ 1157.636148] 4 locks held by kworker/u4:2/14490:
[ 1157.640755] #0: (%s#6){.+.+.+}, at: [<ffffffffbc6d774a>] process_one_work+0x1ba/0x720
[ 1157.648965] #1: ((&ifmgd->beacon_connection_loss_work)){+.+.+.}, at: [<ffffffffbc6d774a>] process_one_work+0x1ba/0x720
[ 1157.659950] #2: (&wdev->mtx){+.+.+.}, at: [<ffffffffc0b8aad5>] ieee80211_mgd_probe_ap.part.28+0x25/0x160 [mac80211]
[ 1157.670901] #3: (&local->iflist_mtx){+.+...}, at: [<ffffffffc0b8ab7a>] ieee80211_mgd_probe_ap.part.28+0xca/0x160 [mac80211]
[ 1157.682466]
Fixes: e3037485c6
("rtw88: new Realtek 802.11ac driver")
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Acked-by: Yan-Hsuan Chuang <yhchuang@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
1213 lines
31 KiB
C
1213 lines
31 KiB
C
// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
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/* Copyright(c) 2018-2019 Realtek Corporation
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*/
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#include "main.h"
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#include "regd.h"
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#include "fw.h"
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#include "ps.h"
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#include "sec.h"
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#include "mac.h"
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#include "phy.h"
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#include "reg.h"
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#include "efuse.h"
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#include "debug.h"
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static bool rtw_fw_support_lps;
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unsigned int rtw_debug_mask;
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EXPORT_SYMBOL(rtw_debug_mask);
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module_param_named(support_lps, rtw_fw_support_lps, bool, 0644);
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module_param_named(debug_mask, rtw_debug_mask, uint, 0644);
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MODULE_PARM_DESC(support_lps, "Set Y to enable LPS support");
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MODULE_PARM_DESC(debug_mask, "Debugging mask");
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static struct ieee80211_channel rtw_channeltable_2g[] = {
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{.center_freq = 2412, .hw_value = 1,},
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{.center_freq = 2417, .hw_value = 2,},
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{.center_freq = 2422, .hw_value = 3,},
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{.center_freq = 2427, .hw_value = 4,},
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{.center_freq = 2432, .hw_value = 5,},
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{.center_freq = 2437, .hw_value = 6,},
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{.center_freq = 2442, .hw_value = 7,},
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{.center_freq = 2447, .hw_value = 8,},
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{.center_freq = 2452, .hw_value = 9,},
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{.center_freq = 2457, .hw_value = 10,},
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{.center_freq = 2462, .hw_value = 11,},
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{.center_freq = 2467, .hw_value = 12,},
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{.center_freq = 2472, .hw_value = 13,},
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{.center_freq = 2484, .hw_value = 14,},
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};
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static struct ieee80211_channel rtw_channeltable_5g[] = {
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{.center_freq = 5180, .hw_value = 36,},
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{.center_freq = 5200, .hw_value = 40,},
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{.center_freq = 5220, .hw_value = 44,},
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{.center_freq = 5240, .hw_value = 48,},
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{.center_freq = 5260, .hw_value = 52,},
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{.center_freq = 5280, .hw_value = 56,},
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{.center_freq = 5300, .hw_value = 60,},
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{.center_freq = 5320, .hw_value = 64,},
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{.center_freq = 5500, .hw_value = 100,},
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{.center_freq = 5520, .hw_value = 104,},
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{.center_freq = 5540, .hw_value = 108,},
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{.center_freq = 5560, .hw_value = 112,},
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{.center_freq = 5580, .hw_value = 116,},
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{.center_freq = 5600, .hw_value = 120,},
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{.center_freq = 5620, .hw_value = 124,},
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{.center_freq = 5640, .hw_value = 128,},
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{.center_freq = 5660, .hw_value = 132,},
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{.center_freq = 5680, .hw_value = 136,},
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{.center_freq = 5700, .hw_value = 140,},
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{.center_freq = 5745, .hw_value = 149,},
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{.center_freq = 5765, .hw_value = 153,},
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{.center_freq = 5785, .hw_value = 157,},
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{.center_freq = 5805, .hw_value = 161,},
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{.center_freq = 5825, .hw_value = 165,
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.flags = IEEE80211_CHAN_NO_HT40MINUS},
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};
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static struct ieee80211_rate rtw_ratetable[] = {
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{.bitrate = 10, .hw_value = 0x00,},
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{.bitrate = 20, .hw_value = 0x01,},
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{.bitrate = 55, .hw_value = 0x02,},
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{.bitrate = 110, .hw_value = 0x03,},
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{.bitrate = 60, .hw_value = 0x04,},
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{.bitrate = 90, .hw_value = 0x05,},
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{.bitrate = 120, .hw_value = 0x06,},
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{.bitrate = 180, .hw_value = 0x07,},
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{.bitrate = 240, .hw_value = 0x08,},
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{.bitrate = 360, .hw_value = 0x09,},
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{.bitrate = 480, .hw_value = 0x0a,},
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{.bitrate = 540, .hw_value = 0x0b,},
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};
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static struct ieee80211_supported_band rtw_band_2ghz = {
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.band = NL80211_BAND_2GHZ,
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.channels = rtw_channeltable_2g,
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.n_channels = ARRAY_SIZE(rtw_channeltable_2g),
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.bitrates = rtw_ratetable,
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.n_bitrates = ARRAY_SIZE(rtw_ratetable),
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.ht_cap = {0},
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.vht_cap = {0},
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};
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static struct ieee80211_supported_band rtw_band_5ghz = {
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.band = NL80211_BAND_5GHZ,
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.channels = rtw_channeltable_5g,
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.n_channels = ARRAY_SIZE(rtw_channeltable_5g),
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/* 5G has no CCK rates */
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.bitrates = rtw_ratetable + 4,
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.n_bitrates = ARRAY_SIZE(rtw_ratetable) - 4,
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.ht_cap = {0},
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.vht_cap = {0},
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};
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struct rtw_watch_dog_iter_data {
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struct rtw_vif *rtwvif;
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bool active;
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u8 assoc_cnt;
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};
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static void rtw_vif_watch_dog_iter(void *data, u8 *mac,
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struct ieee80211_vif *vif)
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{
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struct rtw_watch_dog_iter_data *iter_data = data;
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struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv;
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if (vif->type == NL80211_IFTYPE_STATION) {
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if (vif->bss_conf.assoc) {
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iter_data->assoc_cnt++;
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iter_data->rtwvif = rtwvif;
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}
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if (rtwvif->stats.tx_cnt > RTW_LPS_THRESHOLD ||
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rtwvif->stats.rx_cnt > RTW_LPS_THRESHOLD)
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iter_data->active = true;
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} else {
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/* only STATION mode can enter lps */
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iter_data->active = true;
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}
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rtwvif->stats.tx_unicast = 0;
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rtwvif->stats.rx_unicast = 0;
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rtwvif->stats.tx_cnt = 0;
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rtwvif->stats.rx_cnt = 0;
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}
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/* process TX/RX statistics periodically for hardware,
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* the information helps hardware to enhance performance
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*/
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static void rtw_watch_dog_work(struct work_struct *work)
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{
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struct rtw_dev *rtwdev = container_of(work, struct rtw_dev,
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watch_dog_work.work);
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struct rtw_watch_dog_iter_data data = {};
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if (!rtw_flag_check(rtwdev, RTW_FLAG_RUNNING))
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return;
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ieee80211_queue_delayed_work(rtwdev->hw, &rtwdev->watch_dog_work,
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RTW_WATCH_DOG_DELAY_TIME);
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/* reset tx/rx statictics */
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rtwdev->stats.tx_unicast = 0;
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rtwdev->stats.rx_unicast = 0;
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rtwdev->stats.tx_cnt = 0;
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rtwdev->stats.rx_cnt = 0;
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/* use atomic version to avoid taking local->iflist_mtx mutex */
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rtw_iterate_vifs_atomic(rtwdev, rtw_vif_watch_dog_iter, &data);
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/* fw supports only one station associated to enter lps, if there are
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* more than two stations associated to the AP, then we can not enter
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* lps, because fw does not handle the overlapped beacon interval
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*/
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if (rtw_fw_support_lps &&
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data.rtwvif && !data.active && data.assoc_cnt == 1)
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rtw_enter_lps(rtwdev, data.rtwvif);
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if (rtw_flag_check(rtwdev, RTW_FLAG_SCANNING))
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return;
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rtw_phy_dynamic_mechanism(rtwdev);
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rtwdev->watch_dog_cnt++;
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}
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static void rtw_c2h_work(struct work_struct *work)
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{
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struct rtw_dev *rtwdev = container_of(work, struct rtw_dev, c2h_work);
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struct sk_buff *skb, *tmp;
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skb_queue_walk_safe(&rtwdev->c2h_queue, skb, tmp) {
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skb_unlink(skb, &rtwdev->c2h_queue);
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rtw_fw_c2h_cmd_handle(rtwdev, skb);
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dev_kfree_skb_any(skb);
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}
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}
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void rtw_get_channel_params(struct cfg80211_chan_def *chandef,
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struct rtw_channel_params *chan_params)
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{
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struct ieee80211_channel *channel = chandef->chan;
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enum nl80211_chan_width width = chandef->width;
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u32 primary_freq, center_freq;
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u8 center_chan;
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u8 bandwidth = RTW_CHANNEL_WIDTH_20;
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u8 primary_chan_idx = 0;
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center_chan = channel->hw_value;
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primary_freq = channel->center_freq;
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center_freq = chandef->center_freq1;
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switch (width) {
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case NL80211_CHAN_WIDTH_20_NOHT:
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case NL80211_CHAN_WIDTH_20:
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bandwidth = RTW_CHANNEL_WIDTH_20;
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primary_chan_idx = 0;
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break;
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case NL80211_CHAN_WIDTH_40:
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bandwidth = RTW_CHANNEL_WIDTH_40;
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if (primary_freq > center_freq) {
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primary_chan_idx = 1;
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center_chan -= 2;
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} else {
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primary_chan_idx = 2;
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center_chan += 2;
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}
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break;
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case NL80211_CHAN_WIDTH_80:
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bandwidth = RTW_CHANNEL_WIDTH_80;
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if (primary_freq > center_freq) {
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if (primary_freq - center_freq == 10) {
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primary_chan_idx = 1;
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center_chan -= 2;
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} else {
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primary_chan_idx = 3;
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center_chan -= 6;
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}
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} else {
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if (center_freq - primary_freq == 10) {
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primary_chan_idx = 2;
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center_chan += 2;
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} else {
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primary_chan_idx = 4;
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center_chan += 6;
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}
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}
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break;
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default:
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center_chan = 0;
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break;
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}
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chan_params->center_chan = center_chan;
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chan_params->bandwidth = bandwidth;
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chan_params->primary_chan_idx = primary_chan_idx;
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}
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void rtw_set_channel(struct rtw_dev *rtwdev)
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{
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struct ieee80211_hw *hw = rtwdev->hw;
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struct rtw_hal *hal = &rtwdev->hal;
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struct rtw_chip_info *chip = rtwdev->chip;
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struct rtw_channel_params ch_param;
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u8 center_chan, bandwidth, primary_chan_idx;
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rtw_get_channel_params(&hw->conf.chandef, &ch_param);
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if (WARN(ch_param.center_chan == 0, "Invalid channel\n"))
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return;
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center_chan = ch_param.center_chan;
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bandwidth = ch_param.bandwidth;
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primary_chan_idx = ch_param.primary_chan_idx;
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hal->current_band_width = bandwidth;
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hal->current_channel = center_chan;
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hal->current_band_type = center_chan > 14 ? RTW_BAND_5G : RTW_BAND_2G;
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chip->ops->set_channel(rtwdev, center_chan, bandwidth, primary_chan_idx);
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rtw_phy_set_tx_power_level(rtwdev, center_chan);
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}
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static void rtw_vif_write_addr(struct rtw_dev *rtwdev, u32 start, u8 *addr)
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{
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int i;
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for (i = 0; i < ETH_ALEN; i++)
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rtw_write8(rtwdev, start + i, addr[i]);
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}
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void rtw_vif_port_config(struct rtw_dev *rtwdev,
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struct rtw_vif *rtwvif,
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u32 config)
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{
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u32 addr, mask;
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if (config & PORT_SET_MAC_ADDR) {
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addr = rtwvif->conf->mac_addr.addr;
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rtw_vif_write_addr(rtwdev, addr, rtwvif->mac_addr);
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}
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if (config & PORT_SET_BSSID) {
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addr = rtwvif->conf->bssid.addr;
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rtw_vif_write_addr(rtwdev, addr, rtwvif->bssid);
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}
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if (config & PORT_SET_NET_TYPE) {
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addr = rtwvif->conf->net_type.addr;
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mask = rtwvif->conf->net_type.mask;
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rtw_write32_mask(rtwdev, addr, mask, rtwvif->net_type);
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}
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if (config & PORT_SET_AID) {
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addr = rtwvif->conf->aid.addr;
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mask = rtwvif->conf->aid.mask;
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rtw_write32_mask(rtwdev, addr, mask, rtwvif->aid);
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}
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}
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static u8 hw_bw_cap_to_bitamp(u8 bw_cap)
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{
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u8 bw = 0;
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switch (bw_cap) {
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case EFUSE_HW_CAP_IGNORE:
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case EFUSE_HW_CAP_SUPP_BW80:
|
|
bw |= BIT(RTW_CHANNEL_WIDTH_80);
|
|
/* fall through */
|
|
case EFUSE_HW_CAP_SUPP_BW40:
|
|
bw |= BIT(RTW_CHANNEL_WIDTH_40);
|
|
/* fall through */
|
|
default:
|
|
bw |= BIT(RTW_CHANNEL_WIDTH_20);
|
|
break;
|
|
}
|
|
|
|
return bw;
|
|
}
|
|
|
|
static void rtw_hw_config_rf_ant_num(struct rtw_dev *rtwdev, u8 hw_ant_num)
|
|
{
|
|
struct rtw_hal *hal = &rtwdev->hal;
|
|
|
|
if (hw_ant_num == EFUSE_HW_CAP_IGNORE ||
|
|
hw_ant_num >= hal->rf_path_num)
|
|
return;
|
|
|
|
switch (hw_ant_num) {
|
|
case 1:
|
|
hal->rf_type = RF_1T1R;
|
|
hal->rf_path_num = 1;
|
|
hal->antenna_tx = BB_PATH_A;
|
|
hal->antenna_rx = BB_PATH_A;
|
|
break;
|
|
default:
|
|
WARN(1, "invalid hw configuration from efuse\n");
|
|
break;
|
|
}
|
|
}
|
|
|
|
static u64 get_vht_ra_mask(struct ieee80211_sta *sta)
|
|
{
|
|
u64 ra_mask = 0;
|
|
u16 mcs_map = le16_to_cpu(sta->vht_cap.vht_mcs.rx_mcs_map);
|
|
u8 vht_mcs_cap;
|
|
int i, nss;
|
|
|
|
/* 4SS, every two bits for MCS7/8/9 */
|
|
for (i = 0, nss = 12; i < 4; i++, mcs_map >>= 2, nss += 10) {
|
|
vht_mcs_cap = mcs_map & 0x3;
|
|
switch (vht_mcs_cap) {
|
|
case 2: /* MCS9 */
|
|
ra_mask |= 0x3ffULL << nss;
|
|
break;
|
|
case 1: /* MCS8 */
|
|
ra_mask |= 0x1ffULL << nss;
|
|
break;
|
|
case 0: /* MCS7 */
|
|
ra_mask |= 0x0ffULL << nss;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
return ra_mask;
|
|
}
|
|
|
|
static u8 get_rate_id(u8 wireless_set, enum rtw_bandwidth bw_mode, u8 tx_num)
|
|
{
|
|
u8 rate_id = 0;
|
|
|
|
switch (wireless_set) {
|
|
case WIRELESS_CCK:
|
|
rate_id = RTW_RATEID_B_20M;
|
|
break;
|
|
case WIRELESS_OFDM:
|
|
rate_id = RTW_RATEID_G;
|
|
break;
|
|
case WIRELESS_CCK | WIRELESS_OFDM:
|
|
rate_id = RTW_RATEID_BG;
|
|
break;
|
|
case WIRELESS_OFDM | WIRELESS_HT:
|
|
if (tx_num == 1)
|
|
rate_id = RTW_RATEID_GN_N1SS;
|
|
else if (tx_num == 2)
|
|
rate_id = RTW_RATEID_GN_N2SS;
|
|
else if (tx_num == 3)
|
|
rate_id = RTW_RATEID_ARFR5_N_3SS;
|
|
break;
|
|
case WIRELESS_CCK | WIRELESS_OFDM | WIRELESS_HT:
|
|
if (bw_mode == RTW_CHANNEL_WIDTH_40) {
|
|
if (tx_num == 1)
|
|
rate_id = RTW_RATEID_BGN_40M_1SS;
|
|
else if (tx_num == 2)
|
|
rate_id = RTW_RATEID_BGN_40M_2SS;
|
|
else if (tx_num == 3)
|
|
rate_id = RTW_RATEID_ARFR5_N_3SS;
|
|
else if (tx_num == 4)
|
|
rate_id = RTW_RATEID_ARFR7_N_4SS;
|
|
} else {
|
|
if (tx_num == 1)
|
|
rate_id = RTW_RATEID_BGN_20M_1SS;
|
|
else if (tx_num == 2)
|
|
rate_id = RTW_RATEID_BGN_20M_2SS;
|
|
else if (tx_num == 3)
|
|
rate_id = RTW_RATEID_ARFR5_N_3SS;
|
|
else if (tx_num == 4)
|
|
rate_id = RTW_RATEID_ARFR7_N_4SS;
|
|
}
|
|
break;
|
|
case WIRELESS_OFDM | WIRELESS_VHT:
|
|
if (tx_num == 1)
|
|
rate_id = RTW_RATEID_ARFR1_AC_1SS;
|
|
else if (tx_num == 2)
|
|
rate_id = RTW_RATEID_ARFR0_AC_2SS;
|
|
else if (tx_num == 3)
|
|
rate_id = RTW_RATEID_ARFR4_AC_3SS;
|
|
else if (tx_num == 4)
|
|
rate_id = RTW_RATEID_ARFR6_AC_4SS;
|
|
break;
|
|
case WIRELESS_CCK | WIRELESS_OFDM | WIRELESS_VHT:
|
|
if (bw_mode >= RTW_CHANNEL_WIDTH_80) {
|
|
if (tx_num == 1)
|
|
rate_id = RTW_RATEID_ARFR1_AC_1SS;
|
|
else if (tx_num == 2)
|
|
rate_id = RTW_RATEID_ARFR0_AC_2SS;
|
|
else if (tx_num == 3)
|
|
rate_id = RTW_RATEID_ARFR4_AC_3SS;
|
|
else if (tx_num == 4)
|
|
rate_id = RTW_RATEID_ARFR6_AC_4SS;
|
|
} else {
|
|
if (tx_num == 1)
|
|
rate_id = RTW_RATEID_ARFR2_AC_2G_1SS;
|
|
else if (tx_num == 2)
|
|
rate_id = RTW_RATEID_ARFR3_AC_2G_2SS;
|
|
else if (tx_num == 3)
|
|
rate_id = RTW_RATEID_ARFR4_AC_3SS;
|
|
else if (tx_num == 4)
|
|
rate_id = RTW_RATEID_ARFR6_AC_4SS;
|
|
}
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return rate_id;
|
|
}
|
|
|
|
#define RA_MASK_CCK_RATES 0x0000f
|
|
#define RA_MASK_OFDM_RATES 0x00ff0
|
|
#define RA_MASK_HT_RATES_1SS (0xff000ULL << 0)
|
|
#define RA_MASK_HT_RATES_2SS (0xff000ULL << 8)
|
|
#define RA_MASK_HT_RATES_3SS (0xff000ULL << 16)
|
|
#define RA_MASK_HT_RATES (RA_MASK_HT_RATES_1SS | \
|
|
RA_MASK_HT_RATES_2SS | \
|
|
RA_MASK_HT_RATES_3SS)
|
|
#define RA_MASK_VHT_RATES_1SS (0x3ff000ULL << 0)
|
|
#define RA_MASK_VHT_RATES_2SS (0x3ff000ULL << 10)
|
|
#define RA_MASK_VHT_RATES_3SS (0x3ff000ULL << 20)
|
|
#define RA_MASK_VHT_RATES (RA_MASK_VHT_RATES_1SS | \
|
|
RA_MASK_VHT_RATES_2SS | \
|
|
RA_MASK_VHT_RATES_3SS)
|
|
#define RA_MASK_CCK_IN_HT 0x00005
|
|
#define RA_MASK_CCK_IN_VHT 0x00005
|
|
#define RA_MASK_OFDM_IN_VHT 0x00010
|
|
#define RA_MASK_OFDM_IN_HT_2G 0x00010
|
|
#define RA_MASK_OFDM_IN_HT_5G 0x00030
|
|
|
|
void rtw_update_sta_info(struct rtw_dev *rtwdev, struct rtw_sta_info *si)
|
|
{
|
|
struct ieee80211_sta *sta = si->sta;
|
|
struct rtw_efuse *efuse = &rtwdev->efuse;
|
|
struct rtw_hal *hal = &rtwdev->hal;
|
|
u8 rssi_level;
|
|
u8 wireless_set;
|
|
u8 bw_mode;
|
|
u8 rate_id;
|
|
u8 rf_type = RF_1T1R;
|
|
u8 stbc_en = 0;
|
|
u8 ldpc_en = 0;
|
|
u8 tx_num = 1;
|
|
u64 ra_mask = 0;
|
|
bool is_vht_enable = false;
|
|
bool is_support_sgi = false;
|
|
|
|
if (sta->vht_cap.vht_supported) {
|
|
is_vht_enable = true;
|
|
ra_mask |= get_vht_ra_mask(sta);
|
|
if (sta->vht_cap.cap & IEEE80211_VHT_CAP_RXSTBC_MASK)
|
|
stbc_en = VHT_STBC_EN;
|
|
if (sta->vht_cap.cap & IEEE80211_VHT_CAP_RXLDPC)
|
|
ldpc_en = VHT_LDPC_EN;
|
|
if (sta->vht_cap.cap & IEEE80211_VHT_CAP_SHORT_GI_80)
|
|
is_support_sgi = true;
|
|
} else if (sta->ht_cap.ht_supported) {
|
|
ra_mask |= (sta->ht_cap.mcs.rx_mask[NL80211_BAND_5GHZ] << 20) |
|
|
(sta->ht_cap.mcs.rx_mask[NL80211_BAND_2GHZ] << 12);
|
|
if (sta->ht_cap.cap & IEEE80211_HT_CAP_RX_STBC)
|
|
stbc_en = HT_STBC_EN;
|
|
if (sta->ht_cap.cap & IEEE80211_HT_CAP_LDPC_CODING)
|
|
ldpc_en = HT_LDPC_EN;
|
|
if (sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_20 ||
|
|
sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_40)
|
|
is_support_sgi = true;
|
|
}
|
|
|
|
if (hal->current_band_type == RTW_BAND_5G) {
|
|
ra_mask |= (u64)sta->supp_rates[NL80211_BAND_5GHZ] << 4;
|
|
if (sta->vht_cap.vht_supported) {
|
|
ra_mask &= RA_MASK_VHT_RATES | RA_MASK_OFDM_IN_VHT;
|
|
wireless_set = WIRELESS_OFDM | WIRELESS_VHT;
|
|
} else if (sta->ht_cap.ht_supported) {
|
|
ra_mask &= RA_MASK_HT_RATES | RA_MASK_OFDM_IN_HT_5G;
|
|
wireless_set = WIRELESS_OFDM | WIRELESS_HT;
|
|
} else {
|
|
wireless_set = WIRELESS_OFDM;
|
|
}
|
|
} else if (hal->current_band_type == RTW_BAND_2G) {
|
|
ra_mask |= sta->supp_rates[NL80211_BAND_2GHZ];
|
|
if (sta->vht_cap.vht_supported) {
|
|
ra_mask &= RA_MASK_VHT_RATES | RA_MASK_CCK_IN_VHT |
|
|
RA_MASK_OFDM_IN_VHT;
|
|
wireless_set = WIRELESS_CCK | WIRELESS_OFDM |
|
|
WIRELESS_HT | WIRELESS_VHT;
|
|
} else if (sta->ht_cap.ht_supported) {
|
|
ra_mask &= RA_MASK_HT_RATES | RA_MASK_CCK_IN_HT |
|
|
RA_MASK_OFDM_IN_HT_2G;
|
|
wireless_set = WIRELESS_CCK | WIRELESS_OFDM |
|
|
WIRELESS_HT;
|
|
} else if (sta->supp_rates[0] <= 0xf) {
|
|
wireless_set = WIRELESS_CCK;
|
|
} else {
|
|
wireless_set = WIRELESS_CCK | WIRELESS_OFDM;
|
|
}
|
|
} else {
|
|
rtw_err(rtwdev, "Unknown band type\n");
|
|
wireless_set = 0;
|
|
}
|
|
|
|
if (efuse->hw_cap.nss == 1) {
|
|
ra_mask &= RA_MASK_VHT_RATES_1SS;
|
|
ra_mask &= RA_MASK_HT_RATES_1SS;
|
|
}
|
|
|
|
switch (sta->bandwidth) {
|
|
case IEEE80211_STA_RX_BW_80:
|
|
bw_mode = RTW_CHANNEL_WIDTH_80;
|
|
break;
|
|
case IEEE80211_STA_RX_BW_40:
|
|
bw_mode = RTW_CHANNEL_WIDTH_40;
|
|
break;
|
|
default:
|
|
bw_mode = RTW_CHANNEL_WIDTH_20;
|
|
break;
|
|
}
|
|
|
|
if (sta->vht_cap.vht_supported && ra_mask & 0xffc00000) {
|
|
tx_num = 2;
|
|
rf_type = RF_2T2R;
|
|
} else if (sta->ht_cap.ht_supported && ra_mask & 0xfff00000) {
|
|
tx_num = 2;
|
|
rf_type = RF_2T2R;
|
|
}
|
|
|
|
rate_id = get_rate_id(wireless_set, bw_mode, tx_num);
|
|
|
|
if (wireless_set != WIRELESS_CCK) {
|
|
rssi_level = si->rssi_level;
|
|
if (rssi_level == 0)
|
|
ra_mask &= 0xffffffffffffffffULL;
|
|
else if (rssi_level == 1)
|
|
ra_mask &= 0xfffffffffffffff0ULL;
|
|
else if (rssi_level == 2)
|
|
ra_mask &= 0xffffffffffffefe0ULL;
|
|
else if (rssi_level == 3)
|
|
ra_mask &= 0xffffffffffffcfc0ULL;
|
|
else if (rssi_level == 4)
|
|
ra_mask &= 0xffffffffffff8f80ULL;
|
|
else if (rssi_level >= 5)
|
|
ra_mask &= 0xffffffffffff0f00ULL;
|
|
}
|
|
|
|
si->bw_mode = bw_mode;
|
|
si->stbc_en = stbc_en;
|
|
si->ldpc_en = ldpc_en;
|
|
si->rf_type = rf_type;
|
|
si->wireless_set = wireless_set;
|
|
si->sgi_enable = is_support_sgi;
|
|
si->vht_enable = is_vht_enable;
|
|
si->ra_mask = ra_mask;
|
|
si->rate_id = rate_id;
|
|
|
|
rtw_fw_send_ra_info(rtwdev, si);
|
|
}
|
|
|
|
static int rtw_power_on(struct rtw_dev *rtwdev)
|
|
{
|
|
struct rtw_chip_info *chip = rtwdev->chip;
|
|
struct rtw_fw_state *fw = &rtwdev->fw;
|
|
int ret;
|
|
|
|
ret = rtw_hci_setup(rtwdev);
|
|
if (ret) {
|
|
rtw_err(rtwdev, "failed to setup hci\n");
|
|
goto err;
|
|
}
|
|
|
|
/* power on MAC before firmware downloaded */
|
|
ret = rtw_mac_power_on(rtwdev);
|
|
if (ret) {
|
|
rtw_err(rtwdev, "failed to power on mac\n");
|
|
goto err;
|
|
}
|
|
|
|
wait_for_completion(&fw->completion);
|
|
if (!fw->firmware) {
|
|
ret = -EINVAL;
|
|
rtw_err(rtwdev, "failed to load firmware\n");
|
|
goto err;
|
|
}
|
|
|
|
ret = rtw_download_firmware(rtwdev, fw);
|
|
if (ret) {
|
|
rtw_err(rtwdev, "failed to download firmware\n");
|
|
goto err_off;
|
|
}
|
|
|
|
/* config mac after firmware downloaded */
|
|
ret = rtw_mac_init(rtwdev);
|
|
if (ret) {
|
|
rtw_err(rtwdev, "failed to configure mac\n");
|
|
goto err_off;
|
|
}
|
|
|
|
chip->ops->phy_set_param(rtwdev);
|
|
|
|
ret = rtw_hci_start(rtwdev);
|
|
if (ret) {
|
|
rtw_err(rtwdev, "failed to start hci\n");
|
|
goto err_off;
|
|
}
|
|
|
|
return 0;
|
|
|
|
err_off:
|
|
rtw_mac_power_off(rtwdev);
|
|
|
|
err:
|
|
return ret;
|
|
}
|
|
|
|
int rtw_core_start(struct rtw_dev *rtwdev)
|
|
{
|
|
int ret;
|
|
|
|
ret = rtw_power_on(rtwdev);
|
|
if (ret)
|
|
return ret;
|
|
|
|
rtw_sec_enable_sec_engine(rtwdev);
|
|
|
|
/* rcr reset after powered on */
|
|
rtw_write32(rtwdev, REG_RCR, rtwdev->hal.rcr);
|
|
|
|
ieee80211_queue_delayed_work(rtwdev->hw, &rtwdev->watch_dog_work,
|
|
RTW_WATCH_DOG_DELAY_TIME);
|
|
|
|
rtw_flag_set(rtwdev, RTW_FLAG_RUNNING);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void rtw_power_off(struct rtw_dev *rtwdev)
|
|
{
|
|
rtwdev->hci.ops->stop(rtwdev);
|
|
rtw_mac_power_off(rtwdev);
|
|
}
|
|
|
|
void rtw_core_stop(struct rtw_dev *rtwdev)
|
|
{
|
|
rtw_flag_clear(rtwdev, RTW_FLAG_RUNNING);
|
|
rtw_flag_clear(rtwdev, RTW_FLAG_FW_RUNNING);
|
|
|
|
cancel_delayed_work_sync(&rtwdev->watch_dog_work);
|
|
|
|
rtw_power_off(rtwdev);
|
|
}
|
|
|
|
static void rtw_init_ht_cap(struct rtw_dev *rtwdev,
|
|
struct ieee80211_sta_ht_cap *ht_cap)
|
|
{
|
|
struct rtw_efuse *efuse = &rtwdev->efuse;
|
|
|
|
ht_cap->ht_supported = true;
|
|
ht_cap->cap = 0;
|
|
ht_cap->cap |= IEEE80211_HT_CAP_SGI_20 |
|
|
IEEE80211_HT_CAP_MAX_AMSDU |
|
|
IEEE80211_HT_CAP_LDPC_CODING |
|
|
(1 << IEEE80211_HT_CAP_RX_STBC_SHIFT);
|
|
if (efuse->hw_cap.bw & BIT(RTW_CHANNEL_WIDTH_40))
|
|
ht_cap->cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40 |
|
|
IEEE80211_HT_CAP_DSSSCCK40 |
|
|
IEEE80211_HT_CAP_SGI_40;
|
|
ht_cap->ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K;
|
|
ht_cap->ampdu_density = IEEE80211_HT_MPDU_DENSITY_16;
|
|
ht_cap->mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED;
|
|
if (efuse->hw_cap.nss > 1) {
|
|
ht_cap->mcs.rx_mask[0] = 0xFF;
|
|
ht_cap->mcs.rx_mask[1] = 0xFF;
|
|
ht_cap->mcs.rx_mask[4] = 0x01;
|
|
ht_cap->mcs.rx_highest = cpu_to_le16(300);
|
|
} else {
|
|
ht_cap->mcs.rx_mask[0] = 0xFF;
|
|
ht_cap->mcs.rx_mask[1] = 0x00;
|
|
ht_cap->mcs.rx_mask[4] = 0x01;
|
|
ht_cap->mcs.rx_highest = cpu_to_le16(150);
|
|
}
|
|
}
|
|
|
|
static void rtw_init_vht_cap(struct rtw_dev *rtwdev,
|
|
struct ieee80211_sta_vht_cap *vht_cap)
|
|
{
|
|
struct rtw_efuse *efuse = &rtwdev->efuse;
|
|
u16 mcs_map;
|
|
__le16 highest;
|
|
|
|
if (efuse->hw_cap.ptcl != EFUSE_HW_CAP_IGNORE &&
|
|
efuse->hw_cap.ptcl != EFUSE_HW_CAP_PTCL_VHT)
|
|
return;
|
|
|
|
vht_cap->vht_supported = true;
|
|
vht_cap->cap = IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454 |
|
|
IEEE80211_VHT_CAP_RXLDPC |
|
|
IEEE80211_VHT_CAP_SHORT_GI_80 |
|
|
IEEE80211_VHT_CAP_TXSTBC |
|
|
IEEE80211_VHT_CAP_RXSTBC_1 |
|
|
IEEE80211_VHT_CAP_HTC_VHT |
|
|
IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK |
|
|
0;
|
|
mcs_map = IEEE80211_VHT_MCS_SUPPORT_0_9 << 0 |
|
|
IEEE80211_VHT_MCS_NOT_SUPPORTED << 4 |
|
|
IEEE80211_VHT_MCS_NOT_SUPPORTED << 6 |
|
|
IEEE80211_VHT_MCS_NOT_SUPPORTED << 8 |
|
|
IEEE80211_VHT_MCS_NOT_SUPPORTED << 10 |
|
|
IEEE80211_VHT_MCS_NOT_SUPPORTED << 12 |
|
|
IEEE80211_VHT_MCS_NOT_SUPPORTED << 14;
|
|
if (efuse->hw_cap.nss > 1) {
|
|
highest = cpu_to_le16(780);
|
|
mcs_map |= IEEE80211_VHT_MCS_SUPPORT_0_9 << 2;
|
|
} else {
|
|
highest = cpu_to_le16(390);
|
|
mcs_map |= IEEE80211_VHT_MCS_NOT_SUPPORTED << 2;
|
|
}
|
|
|
|
vht_cap->vht_mcs.rx_mcs_map = cpu_to_le16(mcs_map);
|
|
vht_cap->vht_mcs.tx_mcs_map = cpu_to_le16(mcs_map);
|
|
vht_cap->vht_mcs.rx_highest = highest;
|
|
vht_cap->vht_mcs.tx_highest = highest;
|
|
}
|
|
|
|
static void rtw_set_supported_band(struct ieee80211_hw *hw,
|
|
struct rtw_chip_info *chip)
|
|
{
|
|
struct rtw_dev *rtwdev = hw->priv;
|
|
struct ieee80211_supported_band *sband;
|
|
|
|
if (chip->band & RTW_BAND_2G) {
|
|
sband = kmemdup(&rtw_band_2ghz, sizeof(*sband), GFP_KERNEL);
|
|
if (!sband)
|
|
goto err_out;
|
|
if (chip->ht_supported)
|
|
rtw_init_ht_cap(rtwdev, &sband->ht_cap);
|
|
hw->wiphy->bands[NL80211_BAND_2GHZ] = sband;
|
|
}
|
|
|
|
if (chip->band & RTW_BAND_5G) {
|
|
sband = kmemdup(&rtw_band_5ghz, sizeof(*sband), GFP_KERNEL);
|
|
if (!sband)
|
|
goto err_out;
|
|
if (chip->ht_supported)
|
|
rtw_init_ht_cap(rtwdev, &sband->ht_cap);
|
|
if (chip->vht_supported)
|
|
rtw_init_vht_cap(rtwdev, &sband->vht_cap);
|
|
hw->wiphy->bands[NL80211_BAND_5GHZ] = sband;
|
|
}
|
|
|
|
return;
|
|
|
|
err_out:
|
|
rtw_err(rtwdev, "failed to set supported band\n");
|
|
kfree(sband);
|
|
}
|
|
|
|
static void rtw_unset_supported_band(struct ieee80211_hw *hw,
|
|
struct rtw_chip_info *chip)
|
|
{
|
|
kfree(hw->wiphy->bands[NL80211_BAND_2GHZ]);
|
|
kfree(hw->wiphy->bands[NL80211_BAND_5GHZ]);
|
|
}
|
|
|
|
static void rtw_load_firmware_cb(const struct firmware *firmware, void *context)
|
|
{
|
|
struct rtw_dev *rtwdev = context;
|
|
struct rtw_fw_state *fw = &rtwdev->fw;
|
|
|
|
if (!firmware)
|
|
rtw_err(rtwdev, "failed to request firmware\n");
|
|
|
|
fw->firmware = firmware;
|
|
complete_all(&fw->completion);
|
|
}
|
|
|
|
static int rtw_load_firmware(struct rtw_dev *rtwdev, const char *fw_name)
|
|
{
|
|
struct rtw_fw_state *fw = &rtwdev->fw;
|
|
int ret;
|
|
|
|
init_completion(&fw->completion);
|
|
|
|
ret = request_firmware_nowait(THIS_MODULE, true, fw_name, rtwdev->dev,
|
|
GFP_KERNEL, rtwdev, rtw_load_firmware_cb);
|
|
if (ret) {
|
|
rtw_err(rtwdev, "async firmware request failed\n");
|
|
return ret;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int rtw_chip_parameter_setup(struct rtw_dev *rtwdev)
|
|
{
|
|
struct rtw_chip_info *chip = rtwdev->chip;
|
|
struct rtw_hal *hal = &rtwdev->hal;
|
|
struct rtw_efuse *efuse = &rtwdev->efuse;
|
|
u32 wl_bt_pwr_ctrl;
|
|
int ret = 0;
|
|
|
|
switch (rtw_hci_type(rtwdev)) {
|
|
case RTW_HCI_TYPE_PCIE:
|
|
rtwdev->hci.rpwm_addr = 0x03d9;
|
|
break;
|
|
default:
|
|
rtw_err(rtwdev, "unsupported hci type\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
wl_bt_pwr_ctrl = rtw_read32(rtwdev, REG_WL_BT_PWR_CTRL);
|
|
if (wl_bt_pwr_ctrl & BIT_BT_FUNC_EN)
|
|
rtwdev->efuse.btcoex = true;
|
|
hal->chip_version = rtw_read32(rtwdev, REG_SYS_CFG1);
|
|
hal->fab_version = BIT_GET_VENDOR_ID(hal->chip_version) >> 2;
|
|
hal->cut_version = BIT_GET_CHIP_VER(hal->chip_version);
|
|
hal->mp_chip = (hal->chip_version & BIT_RTL_ID) ? 0 : 1;
|
|
if (hal->chip_version & BIT_RF_TYPE_ID) {
|
|
hal->rf_type = RF_2T2R;
|
|
hal->rf_path_num = 2;
|
|
hal->antenna_tx = BB_PATH_AB;
|
|
hal->antenna_rx = BB_PATH_AB;
|
|
} else {
|
|
hal->rf_type = RF_1T1R;
|
|
hal->rf_path_num = 1;
|
|
hal->antenna_tx = BB_PATH_A;
|
|
hal->antenna_rx = BB_PATH_A;
|
|
}
|
|
|
|
if (hal->fab_version == 2)
|
|
hal->fab_version = 1;
|
|
else if (hal->fab_version == 1)
|
|
hal->fab_version = 2;
|
|
|
|
efuse->physical_size = chip->phy_efuse_size;
|
|
efuse->logical_size = chip->log_efuse_size;
|
|
efuse->protect_size = chip->ptct_efuse_size;
|
|
|
|
/* default use ack */
|
|
rtwdev->hal.rcr |= BIT_VHT_DACK;
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int rtw_chip_efuse_enable(struct rtw_dev *rtwdev)
|
|
{
|
|
struct rtw_fw_state *fw = &rtwdev->fw;
|
|
int ret;
|
|
|
|
ret = rtw_hci_setup(rtwdev);
|
|
if (ret) {
|
|
rtw_err(rtwdev, "failed to setup hci\n");
|
|
goto err;
|
|
}
|
|
|
|
ret = rtw_mac_power_on(rtwdev);
|
|
if (ret) {
|
|
rtw_err(rtwdev, "failed to power on mac\n");
|
|
goto err;
|
|
}
|
|
|
|
rtw_write8(rtwdev, REG_C2HEVT, C2H_HW_FEATURE_DUMP);
|
|
|
|
wait_for_completion(&fw->completion);
|
|
if (!fw->firmware) {
|
|
ret = -EINVAL;
|
|
rtw_err(rtwdev, "failed to load firmware\n");
|
|
goto err;
|
|
}
|
|
|
|
ret = rtw_download_firmware(rtwdev, fw);
|
|
if (ret) {
|
|
rtw_err(rtwdev, "failed to download firmware\n");
|
|
goto err_off;
|
|
}
|
|
|
|
return 0;
|
|
|
|
err_off:
|
|
rtw_mac_power_off(rtwdev);
|
|
|
|
err:
|
|
return ret;
|
|
}
|
|
|
|
static int rtw_dump_hw_feature(struct rtw_dev *rtwdev)
|
|
{
|
|
struct rtw_efuse *efuse = &rtwdev->efuse;
|
|
u8 hw_feature[HW_FEATURE_LEN];
|
|
u8 id;
|
|
u8 bw;
|
|
int i;
|
|
|
|
id = rtw_read8(rtwdev, REG_C2HEVT);
|
|
if (id != C2H_HW_FEATURE_REPORT) {
|
|
rtw_err(rtwdev, "failed to read hw feature report\n");
|
|
return -EBUSY;
|
|
}
|
|
|
|
for (i = 0; i < HW_FEATURE_LEN; i++)
|
|
hw_feature[i] = rtw_read8(rtwdev, REG_C2HEVT + 2 + i);
|
|
|
|
rtw_write8(rtwdev, REG_C2HEVT, 0);
|
|
|
|
bw = GET_EFUSE_HW_CAP_BW(hw_feature);
|
|
efuse->hw_cap.bw = hw_bw_cap_to_bitamp(bw);
|
|
efuse->hw_cap.hci = GET_EFUSE_HW_CAP_HCI(hw_feature);
|
|
efuse->hw_cap.nss = GET_EFUSE_HW_CAP_NSS(hw_feature);
|
|
efuse->hw_cap.ptcl = GET_EFUSE_HW_CAP_PTCL(hw_feature);
|
|
efuse->hw_cap.ant_num = GET_EFUSE_HW_CAP_ANT_NUM(hw_feature);
|
|
|
|
rtw_hw_config_rf_ant_num(rtwdev, efuse->hw_cap.ant_num);
|
|
|
|
if (efuse->hw_cap.nss == EFUSE_HW_CAP_IGNORE)
|
|
efuse->hw_cap.nss = rtwdev->hal.rf_path_num;
|
|
|
|
rtw_dbg(rtwdev, RTW_DBG_EFUSE,
|
|
"hw cap: hci=0x%02x, bw=0x%02x, ptcl=0x%02x, ant_num=%d, nss=%d\n",
|
|
efuse->hw_cap.hci, efuse->hw_cap.bw, efuse->hw_cap.ptcl,
|
|
efuse->hw_cap.ant_num, efuse->hw_cap.nss);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void rtw_chip_efuse_disable(struct rtw_dev *rtwdev)
|
|
{
|
|
rtw_hci_stop(rtwdev);
|
|
rtw_mac_power_off(rtwdev);
|
|
}
|
|
|
|
static int rtw_chip_efuse_info_setup(struct rtw_dev *rtwdev)
|
|
{
|
|
struct rtw_efuse *efuse = &rtwdev->efuse;
|
|
int ret;
|
|
|
|
mutex_lock(&rtwdev->mutex);
|
|
|
|
/* power on mac to read efuse */
|
|
ret = rtw_chip_efuse_enable(rtwdev);
|
|
if (ret)
|
|
goto out;
|
|
|
|
ret = rtw_parse_efuse_map(rtwdev);
|
|
if (ret)
|
|
goto out;
|
|
|
|
ret = rtw_dump_hw_feature(rtwdev);
|
|
if (ret)
|
|
goto out;
|
|
|
|
ret = rtw_check_supported_rfe(rtwdev);
|
|
if (ret)
|
|
goto out;
|
|
|
|
if (efuse->crystal_cap == 0xff)
|
|
efuse->crystal_cap = 0;
|
|
if (efuse->pa_type_2g == 0xff)
|
|
efuse->pa_type_2g = 0;
|
|
if (efuse->pa_type_5g == 0xff)
|
|
efuse->pa_type_5g = 0;
|
|
if (efuse->lna_type_2g == 0xff)
|
|
efuse->lna_type_2g = 0;
|
|
if (efuse->lna_type_5g == 0xff)
|
|
efuse->lna_type_5g = 0;
|
|
if (efuse->channel_plan == 0xff)
|
|
efuse->channel_plan = 0x7f;
|
|
if (efuse->bt_setting & BIT(0))
|
|
efuse->share_ant = true;
|
|
if (efuse->regd == 0xff)
|
|
efuse->regd = 0;
|
|
|
|
efuse->ext_pa_2g = efuse->pa_type_2g & BIT(4) ? 1 : 0;
|
|
efuse->ext_lna_2g = efuse->lna_type_2g & BIT(3) ? 1 : 0;
|
|
efuse->ext_pa_5g = efuse->pa_type_5g & BIT(0) ? 1 : 0;
|
|
efuse->ext_lna_2g = efuse->lna_type_5g & BIT(3) ? 1 : 0;
|
|
|
|
rtw_chip_efuse_disable(rtwdev);
|
|
|
|
out:
|
|
mutex_unlock(&rtwdev->mutex);
|
|
return ret;
|
|
}
|
|
|
|
static int rtw_chip_board_info_setup(struct rtw_dev *rtwdev)
|
|
{
|
|
struct rtw_hal *hal = &rtwdev->hal;
|
|
const struct rtw_rfe_def *rfe_def = rtw_get_rfe_def(rtwdev);
|
|
|
|
if (!rfe_def)
|
|
return -ENODEV;
|
|
|
|
rtw_phy_setup_phy_cond(rtwdev, 0);
|
|
|
|
rtw_hw_init_tx_power(hal);
|
|
rtw_load_table(rtwdev, rfe_def->phy_pg_tbl);
|
|
rtw_load_table(rtwdev, rfe_def->txpwr_lmt_tbl);
|
|
rtw_phy_tx_power_by_rate_config(hal);
|
|
rtw_phy_tx_power_limit_config(hal);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int rtw_chip_info_setup(struct rtw_dev *rtwdev)
|
|
{
|
|
int ret;
|
|
|
|
ret = rtw_chip_parameter_setup(rtwdev);
|
|
if (ret) {
|
|
rtw_err(rtwdev, "failed to setup chip parameters\n");
|
|
goto err_out;
|
|
}
|
|
|
|
ret = rtw_chip_efuse_info_setup(rtwdev);
|
|
if (ret) {
|
|
rtw_err(rtwdev, "failed to setup chip efuse info\n");
|
|
goto err_out;
|
|
}
|
|
|
|
ret = rtw_chip_board_info_setup(rtwdev);
|
|
if (ret) {
|
|
rtw_err(rtwdev, "failed to setup chip board info\n");
|
|
goto err_out;
|
|
}
|
|
|
|
return 0;
|
|
|
|
err_out:
|
|
return ret;
|
|
}
|
|
EXPORT_SYMBOL(rtw_chip_info_setup);
|
|
|
|
int rtw_core_init(struct rtw_dev *rtwdev)
|
|
{
|
|
int ret;
|
|
|
|
INIT_LIST_HEAD(&rtwdev->rsvd_page_list);
|
|
|
|
timer_setup(&rtwdev->tx_report.purge_timer,
|
|
rtw_tx_report_purge_timer, 0);
|
|
|
|
INIT_DELAYED_WORK(&rtwdev->watch_dog_work, rtw_watch_dog_work);
|
|
INIT_DELAYED_WORK(&rtwdev->lps_work, rtw_lps_work);
|
|
INIT_WORK(&rtwdev->c2h_work, rtw_c2h_work);
|
|
skb_queue_head_init(&rtwdev->c2h_queue);
|
|
skb_queue_head_init(&rtwdev->tx_report.queue);
|
|
|
|
spin_lock_init(&rtwdev->dm_lock);
|
|
spin_lock_init(&rtwdev->rf_lock);
|
|
spin_lock_init(&rtwdev->h2c.lock);
|
|
spin_lock_init(&rtwdev->tx_report.q_lock);
|
|
|
|
mutex_init(&rtwdev->mutex);
|
|
mutex_init(&rtwdev->hal.tx_power_mutex);
|
|
|
|
rtwdev->sec.total_cam_num = 32;
|
|
rtwdev->hal.current_channel = 1;
|
|
set_bit(RTW_BC_MC_MACID, rtwdev->mac_id_map);
|
|
|
|
mutex_lock(&rtwdev->mutex);
|
|
rtw_add_rsvd_page(rtwdev, RSVD_BEACON, false);
|
|
mutex_unlock(&rtwdev->mutex);
|
|
|
|
/* default rx filter setting */
|
|
rtwdev->hal.rcr = BIT_APP_FCS | BIT_APP_MIC | BIT_APP_ICV |
|
|
BIT_HTC_LOC_CTRL | BIT_APP_PHYSTS |
|
|
BIT_AB | BIT_AM | BIT_APM;
|
|
|
|
ret = rtw_load_firmware(rtwdev, rtwdev->chip->fw_name);
|
|
if (ret) {
|
|
rtw_warn(rtwdev, "no firmware loaded\n");
|
|
return ret;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
EXPORT_SYMBOL(rtw_core_init);
|
|
|
|
void rtw_core_deinit(struct rtw_dev *rtwdev)
|
|
{
|
|
struct rtw_fw_state *fw = &rtwdev->fw;
|
|
struct rtw_rsvd_page *rsvd_pkt, *tmp;
|
|
unsigned long flags;
|
|
|
|
if (fw->firmware)
|
|
release_firmware(fw->firmware);
|
|
|
|
spin_lock_irqsave(&rtwdev->tx_report.q_lock, flags);
|
|
skb_queue_purge(&rtwdev->tx_report.queue);
|
|
spin_unlock_irqrestore(&rtwdev->tx_report.q_lock, flags);
|
|
|
|
list_for_each_entry_safe(rsvd_pkt, tmp, &rtwdev->rsvd_page_list, list) {
|
|
list_del(&rsvd_pkt->list);
|
|
kfree(rsvd_pkt);
|
|
}
|
|
|
|
mutex_destroy(&rtwdev->mutex);
|
|
mutex_destroy(&rtwdev->hal.tx_power_mutex);
|
|
}
|
|
EXPORT_SYMBOL(rtw_core_deinit);
|
|
|
|
int rtw_register_hw(struct rtw_dev *rtwdev, struct ieee80211_hw *hw)
|
|
{
|
|
int max_tx_headroom = 0;
|
|
int ret;
|
|
|
|
/* TODO: USB & SDIO may need extra room? */
|
|
max_tx_headroom = rtwdev->chip->tx_pkt_desc_sz;
|
|
|
|
hw->extra_tx_headroom = max_tx_headroom;
|
|
hw->queues = IEEE80211_NUM_ACS;
|
|
hw->sta_data_size = sizeof(struct rtw_sta_info);
|
|
hw->vif_data_size = sizeof(struct rtw_vif);
|
|
|
|
ieee80211_hw_set(hw, SIGNAL_DBM);
|
|
ieee80211_hw_set(hw, RX_INCLUDES_FCS);
|
|
ieee80211_hw_set(hw, AMPDU_AGGREGATION);
|
|
ieee80211_hw_set(hw, MFP_CAPABLE);
|
|
ieee80211_hw_set(hw, REPORTS_TX_ACK_STATUS);
|
|
ieee80211_hw_set(hw, SUPPORTS_PS);
|
|
ieee80211_hw_set(hw, SUPPORTS_DYNAMIC_PS);
|
|
|
|
hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
|
|
BIT(NL80211_IFTYPE_AP) |
|
|
BIT(NL80211_IFTYPE_ADHOC) |
|
|
BIT(NL80211_IFTYPE_MESH_POINT);
|
|
|
|
hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS |
|
|
WIPHY_FLAG_TDLS_EXTERNAL_SETUP;
|
|
|
|
rtw_set_supported_band(hw, rtwdev->chip);
|
|
SET_IEEE80211_PERM_ADDR(hw, rtwdev->efuse.addr);
|
|
|
|
rtw_regd_init(rtwdev, rtw_regd_notifier);
|
|
|
|
ret = ieee80211_register_hw(hw);
|
|
if (ret) {
|
|
rtw_err(rtwdev, "failed to register hw\n");
|
|
return ret;
|
|
}
|
|
|
|
if (regulatory_hint(hw->wiphy, rtwdev->regd.alpha2))
|
|
rtw_err(rtwdev, "regulatory_hint fail\n");
|
|
|
|
rtw_debugfs_init(rtwdev);
|
|
|
|
return 0;
|
|
}
|
|
EXPORT_SYMBOL(rtw_register_hw);
|
|
|
|
void rtw_unregister_hw(struct rtw_dev *rtwdev, struct ieee80211_hw *hw)
|
|
{
|
|
struct rtw_chip_info *chip = rtwdev->chip;
|
|
|
|
ieee80211_unregister_hw(hw);
|
|
rtw_unset_supported_band(hw, chip);
|
|
}
|
|
EXPORT_SYMBOL(rtw_unregister_hw);
|
|
|
|
MODULE_AUTHOR("Realtek Corporation");
|
|
MODULE_DESCRIPTION("Realtek 802.11ac wireless core module");
|
|
MODULE_LICENSE("Dual BSD/GPL");
|