^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0-only
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * mac80211 debugfs for wireless PHYs
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Copyright 2007 Johannes Berg <johannes@sipsolutions.net>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) * Copyright 2013-2014 Intel Mobile Communications GmbH
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) * Copyright (C) 2018 - 2019 Intel Corporation
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <linux/debugfs.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/rtnetlink.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <linux/vmalloc.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include "ieee80211_i.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include "driver-ops.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include "rate.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include "debugfs.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #define DEBUGFS_FORMAT_BUFFER_SIZE 100
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) int mac80211_format_buffer(char __user *userbuf, size_t count,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) loff_t *ppos, char *fmt, ...)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) va_list args;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) char buf[DEBUGFS_FORMAT_BUFFER_SIZE];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) int res;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) va_start(args, fmt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) res = vscnprintf(buf, sizeof(buf), fmt, args);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) va_end(args);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) return simple_read_from_buffer(userbuf, count, ppos, buf, res);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) #define DEBUGFS_READONLY_FILE_FN(name, fmt, value...) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) static ssize_t name## _read(struct file *file, char __user *userbuf, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) size_t count, loff_t *ppos) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) struct ieee80211_local *local = file->private_data; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) return mac80211_format_buffer(userbuf, count, ppos, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) fmt "\n", ##value); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) #define DEBUGFS_READONLY_FILE_OPS(name) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) static const struct file_operations name## _ops = { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) .read = name## _read, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) .open = simple_open, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) .llseek = generic_file_llseek, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) #define DEBUGFS_READONLY_FILE(name, fmt, value...) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) DEBUGFS_READONLY_FILE_FN(name, fmt, value) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) DEBUGFS_READONLY_FILE_OPS(name)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) #define DEBUGFS_ADD(name) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) debugfs_create_file(#name, 0400, phyd, local, &name## _ops);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) #define DEBUGFS_ADD_MODE(name, mode) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) debugfs_create_file(#name, mode, phyd, local, &name## _ops);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) DEBUGFS_READONLY_FILE(hw_conf, "%x",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) local->hw.conf.flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) DEBUGFS_READONLY_FILE(user_power, "%d",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) local->user_power_level);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) DEBUGFS_READONLY_FILE(power, "%d",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) local->hw.conf.power_level);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) DEBUGFS_READONLY_FILE(total_ps_buffered, "%d",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) local->total_ps_buffered);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) DEBUGFS_READONLY_FILE(wep_iv, "%#08x",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) local->wep_iv & 0xffffff);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) DEBUGFS_READONLY_FILE(rate_ctrl_alg, "%s",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) local->rate_ctrl ? local->rate_ctrl->ops->name : "hw/driver");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) static ssize_t aqm_read(struct file *file,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) char __user *user_buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) size_t count,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) loff_t *ppos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) struct ieee80211_local *local = file->private_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) struct fq *fq = &local->fq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) char buf[200];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) int len = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) spin_lock_bh(&local->fq.lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) rcu_read_lock();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) len = scnprintf(buf, sizeof(buf),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) "access name value\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) "R fq_flows_cnt %u\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) "R fq_backlog %u\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) "R fq_overlimit %u\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) "R fq_overmemory %u\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) "R fq_collisions %u\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) "R fq_memory_usage %u\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) "RW fq_memory_limit %u\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) "RW fq_limit %u\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) "RW fq_quantum %u\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) fq->flows_cnt,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) fq->backlog,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) fq->overmemory,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) fq->overlimit,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) fq->collisions,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) fq->memory_usage,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) fq->memory_limit,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) fq->limit,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) fq->quantum);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) rcu_read_unlock();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) spin_unlock_bh(&local->fq.lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) return simple_read_from_buffer(user_buf, count, ppos,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) buf, len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) static ssize_t aqm_write(struct file *file,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) const char __user *user_buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) size_t count,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) loff_t *ppos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) struct ieee80211_local *local = file->private_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) char buf[100];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) if (count >= sizeof(buf))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) if (copy_from_user(buf, user_buf, count))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) return -EFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) if (count && buf[count - 1] == '\n')
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) buf[count - 1] = '\0';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) buf[count] = '\0';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) if (sscanf(buf, "fq_limit %u", &local->fq.limit) == 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) return count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) else if (sscanf(buf, "fq_memory_limit %u", &local->fq.memory_limit) == 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) return count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) else if (sscanf(buf, "fq_quantum %u", &local->fq.quantum) == 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) return count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) static const struct file_operations aqm_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) .write = aqm_write,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) .read = aqm_read,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) .open = simple_open,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) .llseek = default_llseek,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) static ssize_t airtime_flags_read(struct file *file,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) char __user *user_buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) size_t count, loff_t *ppos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) struct ieee80211_local *local = file->private_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) char buf[128] = {}, *pos, *end;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) pos = buf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) end = pos + sizeof(buf) - 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) if (local->airtime_flags & AIRTIME_USE_TX)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) pos += scnprintf(pos, end - pos, "AIRTIME_TX\t(%lx)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) AIRTIME_USE_TX);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) if (local->airtime_flags & AIRTIME_USE_RX)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) pos += scnprintf(pos, end - pos, "AIRTIME_RX\t(%lx)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) AIRTIME_USE_RX);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) return simple_read_from_buffer(user_buf, count, ppos, buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) strlen(buf));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) static ssize_t airtime_flags_write(struct file *file,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) const char __user *user_buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) size_t count, loff_t *ppos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) struct ieee80211_local *local = file->private_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) char buf[16];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) if (count >= sizeof(buf))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) if (copy_from_user(buf, user_buf, count))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) return -EFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) if (count && buf[count - 1] == '\n')
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) buf[count - 1] = '\0';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) buf[count] = '\0';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) if (kstrtou16(buf, 0, &local->airtime_flags))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) return count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) static const struct file_operations airtime_flags_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) .write = airtime_flags_write,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) .read = airtime_flags_read,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) .open = simple_open,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) .llseek = default_llseek,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) static ssize_t aql_txq_limit_read(struct file *file,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) char __user *user_buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) size_t count,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) loff_t *ppos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) struct ieee80211_local *local = file->private_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) char buf[400];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) int len = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) len = scnprintf(buf, sizeof(buf),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) "AC AQL limit low AQL limit high\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) "VO %u %u\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) "VI %u %u\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) "BE %u %u\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) "BK %u %u\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) local->aql_txq_limit_low[IEEE80211_AC_VO],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) local->aql_txq_limit_high[IEEE80211_AC_VO],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) local->aql_txq_limit_low[IEEE80211_AC_VI],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) local->aql_txq_limit_high[IEEE80211_AC_VI],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) local->aql_txq_limit_low[IEEE80211_AC_BE],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) local->aql_txq_limit_high[IEEE80211_AC_BE],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) local->aql_txq_limit_low[IEEE80211_AC_BK],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) local->aql_txq_limit_high[IEEE80211_AC_BK]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) return simple_read_from_buffer(user_buf, count, ppos,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) buf, len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) static ssize_t aql_txq_limit_write(struct file *file,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) const char __user *user_buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) size_t count,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) loff_t *ppos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) struct ieee80211_local *local = file->private_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) char buf[100];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) u32 ac, q_limit_low, q_limit_high, q_limit_low_old, q_limit_high_old;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) struct sta_info *sta;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) if (count >= sizeof(buf))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) if (copy_from_user(buf, user_buf, count))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) return -EFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) if (count && buf[count - 1] == '\n')
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) buf[count - 1] = '\0';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) buf[count] = '\0';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) if (sscanf(buf, "%u %u %u", &ac, &q_limit_low, &q_limit_high) != 3)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) if (ac >= IEEE80211_NUM_ACS)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) q_limit_low_old = local->aql_txq_limit_low[ac];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) q_limit_high_old = local->aql_txq_limit_high[ac];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) local->aql_txq_limit_low[ac] = q_limit_low;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) local->aql_txq_limit_high[ac] = q_limit_high;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) mutex_lock(&local->sta_mtx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) list_for_each_entry(sta, &local->sta_list, list) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) /* If a sta has customized queue limits, keep it */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) if (sta->airtime[ac].aql_limit_low == q_limit_low_old &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) sta->airtime[ac].aql_limit_high == q_limit_high_old) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) sta->airtime[ac].aql_limit_low = q_limit_low;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) sta->airtime[ac].aql_limit_high = q_limit_high;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) mutex_unlock(&local->sta_mtx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) return count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) static const struct file_operations aql_txq_limit_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) .write = aql_txq_limit_write,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) .read = aql_txq_limit_read,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) .open = simple_open,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) .llseek = default_llseek,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) static ssize_t force_tx_status_read(struct file *file,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) char __user *user_buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) size_t count,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) loff_t *ppos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) struct ieee80211_local *local = file->private_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) char buf[3];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) int len = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) len = scnprintf(buf, sizeof(buf), "%d\n", (int)local->force_tx_status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) return simple_read_from_buffer(user_buf, count, ppos,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) buf, len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) static ssize_t force_tx_status_write(struct file *file,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) const char __user *user_buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) size_t count,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) loff_t *ppos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) struct ieee80211_local *local = file->private_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) char buf[3];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) if (count >= sizeof(buf))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) if (copy_from_user(buf, user_buf, count))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) return -EFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) if (count && buf[count - 1] == '\n')
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) buf[count - 1] = '\0';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) buf[count] = '\0';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) if (buf[0] == '0' && buf[1] == '\0')
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) local->force_tx_status = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) else if (buf[0] == '1' && buf[1] == '\0')
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) local->force_tx_status = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) return count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) static const struct file_operations force_tx_status_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) .write = force_tx_status_write,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) .read = force_tx_status_read,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) .open = simple_open,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) .llseek = default_llseek,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) #ifdef CONFIG_PM
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) static ssize_t reset_write(struct file *file, const char __user *user_buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) size_t count, loff_t *ppos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) struct ieee80211_local *local = file->private_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) rtnl_lock();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) __ieee80211_suspend(&local->hw, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) __ieee80211_resume(&local->hw);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) rtnl_unlock();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) return count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) static const struct file_operations reset_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) .write = reset_write,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) .open = simple_open,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) .llseek = noop_llseek,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) static const char *hw_flag_names[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) #define FLAG(F) [IEEE80211_HW_##F] = #F
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) FLAG(HAS_RATE_CONTROL),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) FLAG(RX_INCLUDES_FCS),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) FLAG(HOST_BROADCAST_PS_BUFFERING),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) FLAG(SIGNAL_UNSPEC),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) FLAG(SIGNAL_DBM),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) FLAG(NEED_DTIM_BEFORE_ASSOC),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) FLAG(SPECTRUM_MGMT),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) FLAG(AMPDU_AGGREGATION),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) FLAG(SUPPORTS_PS),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) FLAG(PS_NULLFUNC_STACK),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) FLAG(SUPPORTS_DYNAMIC_PS),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) FLAG(MFP_CAPABLE),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) FLAG(WANT_MONITOR_VIF),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) FLAG(NO_AUTO_VIF),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) FLAG(SW_CRYPTO_CONTROL),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) FLAG(SUPPORT_FAST_XMIT),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) FLAG(REPORTS_TX_ACK_STATUS),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) FLAG(CONNECTION_MONITOR),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) FLAG(QUEUE_CONTROL),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) FLAG(SUPPORTS_PER_STA_GTK),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) FLAG(AP_LINK_PS),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) FLAG(TX_AMPDU_SETUP_IN_HW),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) FLAG(SUPPORTS_RC_TABLE),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) FLAG(P2P_DEV_ADDR_FOR_INTF),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) FLAG(TIMING_BEACON_ONLY),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) FLAG(SUPPORTS_HT_CCK_RATES),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) FLAG(CHANCTX_STA_CSA),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) FLAG(SUPPORTS_CLONED_SKBS),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386) FLAG(SINGLE_SCAN_ON_ALL_BANDS),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387) FLAG(TDLS_WIDER_BW),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) FLAG(SUPPORTS_AMSDU_IN_AMPDU),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) FLAG(BEACON_TX_STATUS),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390) FLAG(NEEDS_UNIQUE_STA_ADDR),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) FLAG(SUPPORTS_REORDERING_BUFFER),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392) FLAG(USES_RSS),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393) FLAG(TX_AMSDU),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394) FLAG(TX_FRAG_LIST),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) FLAG(REPORTS_LOW_ACK),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396) FLAG(SUPPORTS_TX_FRAG),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) FLAG(SUPPORTS_TDLS_BUFFER_STA),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) FLAG(DEAUTH_NEED_MGD_TX_PREP),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) FLAG(DOESNT_SUPPORT_QOS_NDP),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) FLAG(BUFF_MMPDU_TXQ),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401) FLAG(SUPPORTS_VHT_EXT_NSS_BW),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402) FLAG(STA_MMPDU_TXQ),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403) FLAG(TX_STATUS_NO_AMPDU_LEN),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) FLAG(SUPPORTS_MULTI_BSSID),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405) FLAG(SUPPORTS_ONLY_HE_MULTI_BSSID),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406) FLAG(AMPDU_KEYBORDER_SUPPORT),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407) FLAG(SUPPORTS_TX_ENCAP_OFFLOAD),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408) #undef FLAG
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411) static ssize_t hwflags_read(struct file *file, char __user *user_buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412) size_t count, loff_t *ppos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414) struct ieee80211_local *local = file->private_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415) size_t bufsz = 30 * NUM_IEEE80211_HW_FLAGS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416) char *buf = kzalloc(bufsz, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417) char *pos = buf, *end = buf + bufsz - 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418) ssize_t rv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421) if (!buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424) /* fail compilation if somebody adds or removes
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425) * a flag without updating the name array above
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427) BUILD_BUG_ON(ARRAY_SIZE(hw_flag_names) != NUM_IEEE80211_HW_FLAGS);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429) for (i = 0; i < NUM_IEEE80211_HW_FLAGS; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 430) if (test_bit(i, local->hw.flags))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 431) pos += scnprintf(pos, end - pos, "%s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 432) hw_flag_names[i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 433) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 434)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 435) rv = simple_read_from_buffer(user_buf, count, ppos, buf, strlen(buf));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 436) kfree(buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 437) return rv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 438) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 439)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 440) static ssize_t misc_read(struct file *file, char __user *user_buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 441) size_t count, loff_t *ppos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 442) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 443) struct ieee80211_local *local = file->private_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 444) /* Max len of each line is 16 characters, plus 9 for 'pending:\n' */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 445) size_t bufsz = IEEE80211_MAX_QUEUES * 16 + 9;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 446) char *buf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 447) char *pos, *end;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 448) ssize_t rv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 449) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 450) int ln;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 451)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 452) buf = kzalloc(bufsz, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 453) if (!buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 454) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 455)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 456) pos = buf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 457) end = buf + bufsz - 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 458)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 459) pos += scnprintf(pos, end - pos, "pending:\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 460)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 461) for (i = 0; i < IEEE80211_MAX_QUEUES; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 462) ln = skb_queue_len(&local->pending[i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 463) pos += scnprintf(pos, end - pos, "[%i] %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 464) i, ln);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 465) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 466)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 467) rv = simple_read_from_buffer(user_buf, count, ppos, buf, strlen(buf));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 468) kfree(buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 469) return rv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 470) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 471)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 472) static ssize_t queues_read(struct file *file, char __user *user_buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 473) size_t count, loff_t *ppos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 474) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 475) struct ieee80211_local *local = file->private_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 476) unsigned long flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 477) char buf[IEEE80211_MAX_QUEUES * 20];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 478) int q, res = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 479)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 480) spin_lock_irqsave(&local->queue_stop_reason_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 481) for (q = 0; q < local->hw.queues; q++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 482) res += sprintf(buf + res, "%02d: %#.8lx/%d\n", q,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 483) local->queue_stop_reasons[q],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 484) skb_queue_len(&local->pending[q]));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 485) spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 486)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 487) return simple_read_from_buffer(user_buf, count, ppos, buf, res);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 488) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 489)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 490) DEBUGFS_READONLY_FILE_OPS(hwflags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 491) DEBUGFS_READONLY_FILE_OPS(queues);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 492) DEBUGFS_READONLY_FILE_OPS(misc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 493)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 494) /* statistics stuff */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 495)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 496) static ssize_t format_devstat_counter(struct ieee80211_local *local,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 497) char __user *userbuf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 498) size_t count, loff_t *ppos,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 499) int (*printvalue)(struct ieee80211_low_level_stats *stats, char *buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 500) int buflen))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 501) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 502) struct ieee80211_low_level_stats stats;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 503) char buf[20];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 504) int res;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 505)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 506) rtnl_lock();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 507) res = drv_get_stats(local, &stats);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 508) rtnl_unlock();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 509) if (res)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 510) return res;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 511) res = printvalue(&stats, buf, sizeof(buf));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 512) return simple_read_from_buffer(userbuf, count, ppos, buf, res);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 513) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 514)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 515) #define DEBUGFS_DEVSTATS_FILE(name) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 516) static int print_devstats_##name(struct ieee80211_low_level_stats *stats,\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 517) char *buf, int buflen) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 518) { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 519) return scnprintf(buf, buflen, "%u\n", stats->name); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 520) } \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 521) static ssize_t stats_ ##name## _read(struct file *file, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 522) char __user *userbuf, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 523) size_t count, loff_t *ppos) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 524) { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 525) return format_devstat_counter(file->private_data, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 526) userbuf, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 527) count, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 528) ppos, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 529) print_devstats_##name); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 530) } \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 531) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 532) static const struct file_operations stats_ ##name## _ops = { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 533) .read = stats_ ##name## _read, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 534) .open = simple_open, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 535) .llseek = generic_file_llseek, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 536) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 537)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 538) #define DEBUGFS_STATS_ADD(name) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 539) debugfs_create_u32(#name, 0400, statsd, &local->name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 540) #define DEBUGFS_DEVSTATS_ADD(name) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 541) debugfs_create_file(#name, 0400, statsd, local, &stats_ ##name## _ops);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 542)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 543) DEBUGFS_DEVSTATS_FILE(dot11ACKFailureCount);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 544) DEBUGFS_DEVSTATS_FILE(dot11RTSFailureCount);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 545) DEBUGFS_DEVSTATS_FILE(dot11FCSErrorCount);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 546) DEBUGFS_DEVSTATS_FILE(dot11RTSSuccessCount);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 547)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 548) void debugfs_hw_add(struct ieee80211_local *local)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 549) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 550) struct dentry *phyd = local->hw.wiphy->debugfsdir;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 551) struct dentry *statsd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 552)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 553) if (!phyd)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 554) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 555)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 556) local->debugfs.keys = debugfs_create_dir("keys", phyd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 557)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 558) DEBUGFS_ADD(total_ps_buffered);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 559) DEBUGFS_ADD(wep_iv);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 560) DEBUGFS_ADD(rate_ctrl_alg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 561) DEBUGFS_ADD(queues);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 562) DEBUGFS_ADD(misc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 563) #ifdef CONFIG_PM
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 564) DEBUGFS_ADD_MODE(reset, 0200);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 565) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 566) DEBUGFS_ADD(hwflags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 567) DEBUGFS_ADD(user_power);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 568) DEBUGFS_ADD(power);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 569) DEBUGFS_ADD(hw_conf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 570) DEBUGFS_ADD_MODE(force_tx_status, 0600);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 571)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 572) if (local->ops->wake_tx_queue)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 573) DEBUGFS_ADD_MODE(aqm, 0600);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 574)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 575) DEBUGFS_ADD_MODE(airtime_flags, 0600);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 576)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 577) DEBUGFS_ADD(aql_txq_limit);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 578) debugfs_create_u32("aql_threshold", 0600,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 579) phyd, &local->aql_threshold);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 580)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 581) statsd = debugfs_create_dir("statistics", phyd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 582)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 583) /* if the dir failed, don't put all the other things into the root! */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 584) if (!statsd)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 585) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 586)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 587) #ifdef CONFIG_MAC80211_DEBUG_COUNTERS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 588) DEBUGFS_STATS_ADD(dot11TransmittedFragmentCount);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 589) DEBUGFS_STATS_ADD(dot11MulticastTransmittedFrameCount);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 590) DEBUGFS_STATS_ADD(dot11FailedCount);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 591) DEBUGFS_STATS_ADD(dot11RetryCount);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 592) DEBUGFS_STATS_ADD(dot11MultipleRetryCount);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 593) DEBUGFS_STATS_ADD(dot11FrameDuplicateCount);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 594) DEBUGFS_STATS_ADD(dot11ReceivedFragmentCount);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 595) DEBUGFS_STATS_ADD(dot11MulticastReceivedFrameCount);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 596) DEBUGFS_STATS_ADD(dot11TransmittedFrameCount);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 597) DEBUGFS_STATS_ADD(tx_handlers_drop);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 598) DEBUGFS_STATS_ADD(tx_handlers_queued);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 599) DEBUGFS_STATS_ADD(tx_handlers_drop_wep);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 600) DEBUGFS_STATS_ADD(tx_handlers_drop_not_assoc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 601) DEBUGFS_STATS_ADD(tx_handlers_drop_unauth_port);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 602) DEBUGFS_STATS_ADD(rx_handlers_drop);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 603) DEBUGFS_STATS_ADD(rx_handlers_queued);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 604) DEBUGFS_STATS_ADD(rx_handlers_drop_nullfunc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 605) DEBUGFS_STATS_ADD(rx_handlers_drop_defrag);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 606) DEBUGFS_STATS_ADD(tx_expand_skb_head);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 607) DEBUGFS_STATS_ADD(tx_expand_skb_head_cloned);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 608) DEBUGFS_STATS_ADD(rx_expand_skb_head_defrag);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 609) DEBUGFS_STATS_ADD(rx_handlers_fragments);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 610) DEBUGFS_STATS_ADD(tx_status_drop);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 611) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 612) DEBUGFS_DEVSTATS_ADD(dot11ACKFailureCount);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 613) DEBUGFS_DEVSTATS_ADD(dot11RTSFailureCount);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 614) DEBUGFS_DEVSTATS_ADD(dot11FCSErrorCount);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 615) DEBUGFS_DEVSTATS_ADD(dot11RTSSuccessCount);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 616) }
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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