Less than a handful of changes:
* possible memory leak fix in hwsim * speed up hwsim * add hwsim userspace rate control API * code cleanups -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEH1e1rEeCd0AIMq6MB8qZga/fl8QFAlpl4hAACgkQB8qZga/f l8QpZw/+NM7RaDOdaYvrkbOMS/+UVJDZexZfGDYw/Q1N9vv+KebO01hpD0Lc5sZv 2H4DDPFkFswOXaAYKPjJTJpcCe1qi6xvPCkAYtG7iApalR1QSYPmmFgfAHKe7nkC /sp3JnYPVkIG3UULTWh4OzVLD8azQ/DIqTWFb4SLfRMhzLG0sebMmZGa/PIyNL8P RmB+mHmQPuzOHMzSR1yHfM5kIzzyLcdL4m646/HKjeZh+Ge1cZ0/VtW0Ky33q9ws LHiaVvdGx3Z6mjcLcLjoawI97WIdSlvTTmMR/QYYR9jAL4mBDs6mRe1+RKSJxyyz GqHAR3uhpGrQnxaQ0DRL9h21Ax7ytQqU8fQzXdZZb2P/1c9OpkiTkL4ALsmziW++ ToBv/2gyhTY51yzrsSbqn00I0Hi1dCyN0jzBoU6Rcm2EP78LkgPqgvQMbVWLJK9J 8Vjerz8W+87UbfCFyelN29nNZWIVgm77HHsGz+I5Qg8BjxdjYTl9NfPRx5BjnFs3 X5RQHEM/ycFakYkHRA0Q+8t1FeKh2OYgd+6AsLJS0keOymfiHTU7wRNysHXYsWPz rSfv1Egh3EBzruIo+1ghxuZliKhCB8CEhD49JtRsMyATOAEOwZTvKpFqACIcDC/Z yWYdJJgqVNCFPnhcvcwY9mIKauHE3sEzEC/tZ7Xgd/BoowCp8zQ= =HBMm -----END PGP SIGNATURE----- Merge tag 'mac80211-next-for-davem-2018-01-22' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next Johannes Berg says: ==================== Less than a handful of changes: * possible memory leak fix in hwsim * speed up hwsim * add hwsim userspace rate control API * code cleanups ==================== A conflict was resolved in mac80211_hwsim.c, mostly of the simple overlapping changes category. One adding a rhashtable and another adding a workqueue. Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
commit
291040cd7e
|
@ -32,6 +32,7 @@
|
|||
#include <net/genetlink.h>
|
||||
#include <net/net_namespace.h>
|
||||
#include <net/netns/generic.h>
|
||||
#include <linux/rhashtable.h>
|
||||
#include "mac80211_hwsim.h"
|
||||
|
||||
#define WARN_QUEUE 100
|
||||
|
@ -490,6 +491,7 @@ static const struct ieee80211_iface_combination hwsim_if_comb_p2p_dev[] = {
|
|||
static spinlock_t hwsim_radio_lock;
|
||||
static LIST_HEAD(hwsim_radios);
|
||||
static struct workqueue_struct *hwsim_wq;
|
||||
static struct rhashtable hwsim_radios_rht;
|
||||
static int hwsim_radio_idx;
|
||||
|
||||
static struct platform_driver mac80211_hwsim_driver = {
|
||||
|
@ -500,6 +502,7 @@ static struct platform_driver mac80211_hwsim_driver = {
|
|||
|
||||
struct mac80211_hwsim_data {
|
||||
struct list_head list;
|
||||
struct rhash_head rht;
|
||||
struct ieee80211_hw *hw;
|
||||
struct device *dev;
|
||||
struct ieee80211_supported_band bands[NUM_NL80211_BANDS];
|
||||
|
@ -574,6 +577,13 @@ struct mac80211_hwsim_data {
|
|||
u64 tx_failed;
|
||||
};
|
||||
|
||||
static const struct rhashtable_params hwsim_rht_params = {
|
||||
.nelem_hint = 2,
|
||||
.automatic_shrinking = true,
|
||||
.key_len = ETH_ALEN,
|
||||
.key_offset = offsetof(struct mac80211_hwsim_data, addresses[1]),
|
||||
.head_offset = offsetof(struct mac80211_hwsim_data, rht),
|
||||
};
|
||||
|
||||
struct hwsim_radiotap_hdr {
|
||||
struct ieee80211_radiotap_header hdr;
|
||||
|
@ -1009,6 +1019,36 @@ static int hwsim_unicast_netgroup(struct mac80211_hwsim_data *data,
|
|||
return res;
|
||||
}
|
||||
|
||||
static inline u16 trans_tx_rate_flags_ieee2hwsim(struct ieee80211_tx_rate *rate)
|
||||
{
|
||||
u16 result = 0;
|
||||
|
||||
if (rate->flags & IEEE80211_TX_RC_USE_RTS_CTS)
|
||||
result |= MAC80211_HWSIM_TX_RC_USE_RTS_CTS;
|
||||
if (rate->flags & IEEE80211_TX_RC_USE_CTS_PROTECT)
|
||||
result |= MAC80211_HWSIM_TX_RC_USE_CTS_PROTECT;
|
||||
if (rate->flags & IEEE80211_TX_RC_USE_SHORT_PREAMBLE)
|
||||
result |= MAC80211_HWSIM_TX_RC_USE_SHORT_PREAMBLE;
|
||||
if (rate->flags & IEEE80211_TX_RC_MCS)
|
||||
result |= MAC80211_HWSIM_TX_RC_MCS;
|
||||
if (rate->flags & IEEE80211_TX_RC_GREEN_FIELD)
|
||||
result |= MAC80211_HWSIM_TX_RC_GREEN_FIELD;
|
||||
if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
|
||||
result |= MAC80211_HWSIM_TX_RC_40_MHZ_WIDTH;
|
||||
if (rate->flags & IEEE80211_TX_RC_DUP_DATA)
|
||||
result |= MAC80211_HWSIM_TX_RC_DUP_DATA;
|
||||
if (rate->flags & IEEE80211_TX_RC_SHORT_GI)
|
||||
result |= MAC80211_HWSIM_TX_RC_SHORT_GI;
|
||||
if (rate->flags & IEEE80211_TX_RC_VHT_MCS)
|
||||
result |= MAC80211_HWSIM_TX_RC_VHT_MCS;
|
||||
if (rate->flags & IEEE80211_TX_RC_80_MHZ_WIDTH)
|
||||
result |= MAC80211_HWSIM_TX_RC_80_MHZ_WIDTH;
|
||||
if (rate->flags & IEEE80211_TX_RC_160_MHZ_WIDTH)
|
||||
result |= MAC80211_HWSIM_TX_RC_160_MHZ_WIDTH;
|
||||
|
||||
return result;
|
||||
}
|
||||
|
||||
static void mac80211_hwsim_tx_frame_nl(struct ieee80211_hw *hw,
|
||||
struct sk_buff *my_skb,
|
||||
int dst_portid)
|
||||
|
@ -1021,6 +1061,7 @@ static void mac80211_hwsim_tx_frame_nl(struct ieee80211_hw *hw,
|
|||
unsigned int hwsim_flags = 0;
|
||||
int i;
|
||||
struct hwsim_tx_rate tx_attempts[IEEE80211_TX_MAX_RATES];
|
||||
struct hwsim_tx_rate_flag tx_attempts_flags[IEEE80211_TX_MAX_RATES];
|
||||
uintptr_t cookie;
|
||||
|
||||
if (data->ps != PS_DISABLED)
|
||||
|
@ -1072,7 +1113,11 @@ static void mac80211_hwsim_tx_frame_nl(struct ieee80211_hw *hw,
|
|||
|
||||
for (i = 0; i < IEEE80211_TX_MAX_RATES; i++) {
|
||||
tx_attempts[i].idx = info->status.rates[i].idx;
|
||||
tx_attempts_flags[i].idx = info->status.rates[i].idx;
|
||||
tx_attempts[i].count = info->status.rates[i].count;
|
||||
tx_attempts_flags[i].flags =
|
||||
trans_tx_rate_flags_ieee2hwsim(
|
||||
&info->status.rates[i]);
|
||||
}
|
||||
|
||||
if (nla_put(skb, HWSIM_ATTR_TX_INFO,
|
||||
|
@ -1080,6 +1125,11 @@ static void mac80211_hwsim_tx_frame_nl(struct ieee80211_hw *hw,
|
|||
tx_attempts))
|
||||
goto nla_put_failure;
|
||||
|
||||
if (nla_put(skb, HWSIM_ATTR_TX_INFO_FLAGS,
|
||||
sizeof(struct hwsim_tx_rate_flag) * IEEE80211_TX_MAX_RATES,
|
||||
tx_attempts_flags))
|
||||
goto nla_put_failure;
|
||||
|
||||
/* We create a cookie to identify this skb */
|
||||
data->pending_cookie++;
|
||||
cookie = data->pending_cookie;
|
||||
|
@ -2732,6 +2782,15 @@ static int mac80211_hwsim_new_radio(struct genl_info *info,
|
|||
CLOCK_MONOTONIC, HRTIMER_MODE_ABS);
|
||||
|
||||
spin_lock_bh(&hwsim_radio_lock);
|
||||
err = rhashtable_insert_fast(&hwsim_radios_rht, &data->rht,
|
||||
hwsim_rht_params);
|
||||
if (err < 0) {
|
||||
pr_debug("mac80211_hwsim: radio index %d already present\n",
|
||||
idx);
|
||||
spin_unlock_bh(&hwsim_radio_lock);
|
||||
goto failed_final_insert;
|
||||
}
|
||||
|
||||
list_add_tail(&data->list, &hwsim_radios);
|
||||
spin_unlock_bh(&hwsim_radio_lock);
|
||||
|
||||
|
@ -2740,6 +2799,9 @@ static int mac80211_hwsim_new_radio(struct genl_info *info,
|
|||
|
||||
return idx;
|
||||
|
||||
failed_final_insert:
|
||||
debugfs_remove_recursive(data->debugfs);
|
||||
ieee80211_unregister_hw(data->hw);
|
||||
failed_hw:
|
||||
device_release_driver(data->dev);
|
||||
failed_bind:
|
||||
|
@ -2875,22 +2937,9 @@ static void hwsim_mon_setup(struct net_device *dev)
|
|||
|
||||
static struct mac80211_hwsim_data *get_hwsim_data_ref_from_addr(const u8 *addr)
|
||||
{
|
||||
struct mac80211_hwsim_data *data;
|
||||
bool _found = false;
|
||||
|
||||
spin_lock_bh(&hwsim_radio_lock);
|
||||
list_for_each_entry(data, &hwsim_radios, list) {
|
||||
if (memcmp(data->addresses[1].addr, addr, ETH_ALEN) == 0) {
|
||||
_found = true;
|
||||
break;
|
||||
}
|
||||
}
|
||||
spin_unlock_bh(&hwsim_radio_lock);
|
||||
|
||||
if (!_found)
|
||||
return NULL;
|
||||
|
||||
return data;
|
||||
return rhashtable_lookup_fast(&hwsim_radios_rht,
|
||||
addr,
|
||||
hwsim_rht_params);
|
||||
}
|
||||
|
||||
static void hwsim_register_wmediumd(struct net *net, u32 portid)
|
||||
|
@ -2975,7 +3024,6 @@ static int hwsim_tx_info_frame_received_nl(struct sk_buff *skb_2,
|
|||
for (i = 0; i < IEEE80211_TX_MAX_RATES; i++) {
|
||||
txi->status.rates[i].idx = tx_attempts[i].idx;
|
||||
txi->status.rates[i].count = tx_attempts[i].count;
|
||||
/*txi->status.rates[i].flags = 0;*/
|
||||
}
|
||||
|
||||
txi->status.ack_signal = nla_get_u32(info->attrs[HWSIM_ATTR_SIGNAL]);
|
||||
|
@ -3155,8 +3203,10 @@ static int hwsim_new_radio_nl(struct sk_buff *msg, struct genl_info *info)
|
|||
if (info->attrs[HWSIM_ATTR_REG_CUSTOM_REG]) {
|
||||
u32 idx = nla_get_u32(info->attrs[HWSIM_ATTR_REG_CUSTOM_REG]);
|
||||
|
||||
if (idx >= ARRAY_SIZE(hwsim_world_regdom_custom))
|
||||
if (idx >= ARRAY_SIZE(hwsim_world_regdom_custom)) {
|
||||
kfree(hwname);
|
||||
return -EINVAL;
|
||||
}
|
||||
param.regd = hwsim_world_regdom_custom[idx];
|
||||
}
|
||||
|
||||
|
@ -3197,6 +3247,8 @@ static int hwsim_del_radio_nl(struct sk_buff *msg, struct genl_info *info)
|
|||
continue;
|
||||
|
||||
list_del(&data->list);
|
||||
rhashtable_remove_fast(&hwsim_radios_rht, &data->rht,
|
||||
hwsim_rht_params);
|
||||
spin_unlock_bh(&hwsim_radio_lock);
|
||||
mac80211_hwsim_del_radio(data, wiphy_name(data->hw->wiphy),
|
||||
info);
|
||||
|
@ -3352,6 +3404,8 @@ static void remove_user_radios(u32 portid)
|
|||
list_for_each_entry_safe(entry, tmp, &hwsim_radios, list) {
|
||||
if (entry->destroy_on_close && entry->portid == portid) {
|
||||
list_del(&entry->list);
|
||||
rhashtable_remove_fast(&hwsim_radios_rht, &entry->rht,
|
||||
hwsim_rht_params);
|
||||
INIT_WORK(&entry->destroy_work, destroy_radio);
|
||||
queue_work(hwsim_wq, &entry->destroy_work);
|
||||
}
|
||||
|
@ -3427,6 +3481,8 @@ static void __net_exit hwsim_exit_net(struct net *net)
|
|||
continue;
|
||||
|
||||
list_del(&data->list);
|
||||
rhashtable_remove_fast(&hwsim_radios_rht, &data->rht,
|
||||
hwsim_rht_params);
|
||||
INIT_WORK(&data->destroy_work, destroy_radio);
|
||||
queue_work(hwsim_wq, &data->destroy_work);
|
||||
}
|
||||
|
@ -3463,6 +3519,7 @@ static int __init init_mac80211_hwsim(void)
|
|||
hwsim_wq = alloc_workqueue("hwsim_wq",WQ_MEM_RECLAIM,0);
|
||||
if (!hwsim_wq)
|
||||
return -ENOMEM;
|
||||
rhashtable_init(&hwsim_radios_rht, &hwsim_rht_params);
|
||||
|
||||
err = register_pernet_device(&hwsim_net_ops);
|
||||
if (err)
|
||||
|
@ -3604,6 +3661,7 @@ static void __exit exit_mac80211_hwsim(void)
|
|||
mac80211_hwsim_free();
|
||||
flush_workqueue(hwsim_wq);
|
||||
|
||||
rhashtable_destroy(&hwsim_radios_rht);
|
||||
unregister_netdev(hwsim_mon);
|
||||
platform_driver_unregister(&mac80211_hwsim_driver);
|
||||
unregister_pernet_device(&hwsim_net_ops);
|
||||
|
|
|
@ -64,7 +64,8 @@ enum hwsim_tx_control_flags {
|
|||
* @HWSIM_CMD_TX_INFO_FRAME: Transmission info report from user space to
|
||||
* kernel, uses:
|
||||
* %HWSIM_ATTR_ADDR_TRANSMITTER, %HWSIM_ATTR_FLAGS,
|
||||
* %HWSIM_ATTR_TX_INFO, %HWSIM_ATTR_SIGNAL, %HWSIM_ATTR_COOKIE
|
||||
* %HWSIM_ATTR_TX_INFO, %WSIM_ATTR_TX_INFO_FLAGS,
|
||||
* %HWSIM_ATTR_SIGNAL, %HWSIM_ATTR_COOKIE
|
||||
* @HWSIM_CMD_NEW_RADIO: create a new radio with the given parameters,
|
||||
* returns the radio ID (>= 0) or negative on errors, if successful
|
||||
* then multicast the result
|
||||
|
@ -123,6 +124,8 @@ enum {
|
|||
* @HWSIM_ATTR_RADIO_NAME: Name of radio, e.g. phy666
|
||||
* @HWSIM_ATTR_NO_VIF: Do not create vif (wlanX) when creating radio.
|
||||
* @HWSIM_ATTR_FREQ: Frequency at which packet is transmitted or received.
|
||||
* @HWSIM_ATTR_TX_INFO_FLAGS: additional flags for corresponding
|
||||
* rates of %HWSIM_ATTR_TX_INFO
|
||||
* @__HWSIM_ATTR_MAX: enum limit
|
||||
*/
|
||||
|
||||
|
@ -149,6 +152,7 @@ enum {
|
|||
HWSIM_ATTR_NO_VIF,
|
||||
HWSIM_ATTR_FREQ,
|
||||
HWSIM_ATTR_PAD,
|
||||
HWSIM_ATTR_TX_INFO_FLAGS,
|
||||
__HWSIM_ATTR_MAX,
|
||||
};
|
||||
#define HWSIM_ATTR_MAX (__HWSIM_ATTR_MAX - 1)
|
||||
|
@ -171,4 +175,66 @@ struct hwsim_tx_rate {
|
|||
u8 count;
|
||||
} __packed;
|
||||
|
||||
/**
|
||||
* enum hwsim_tx_rate_flags - per-rate flags set by the rate control algorithm.
|
||||
* Inspired by structure mac80211_rate_control_flags. New flags may be
|
||||
* appended, but old flags not deleted, to keep compatibility for
|
||||
* userspace.
|
||||
*
|
||||
* These flags are set by the Rate control algorithm for each rate during tx,
|
||||
* in the @flags member of struct ieee80211_tx_rate.
|
||||
*
|
||||
* @MAC80211_HWSIM_TX_RC_USE_RTS_CTS: Use RTS/CTS exchange for this rate.
|
||||
* @MAC80211_HWSIM_TX_RC_USE_CTS_PROTECT: CTS-to-self protection is required.
|
||||
* This is set if the current BSS requires ERP protection.
|
||||
* @MAC80211_HWSIM_TX_RC_USE_SHORT_PREAMBLE: Use short preamble.
|
||||
* @MAC80211_HWSIM_TX_RC_MCS: HT rate.
|
||||
* @MAC80211_HWSIM_TX_RC_VHT_MCS: VHT MCS rate, in this case the idx field is
|
||||
* split into a higher 4 bits (Nss) and lower 4 bits (MCS number)
|
||||
* @MAC80211_HWSIM_TX_RC_GREEN_FIELD: Indicates whether this rate should be used
|
||||
* in Greenfield mode.
|
||||
* @MAC80211_HWSIM_TX_RC_40_MHZ_WIDTH: Indicates if the Channel Width should be
|
||||
* 40 MHz.
|
||||
* @MAC80211_HWSIM_TX_RC_80_MHZ_WIDTH: Indicates 80 MHz transmission
|
||||
* @MAC80211_HWSIM_TX_RC_160_MHZ_WIDTH: Indicates 160 MHz transmission
|
||||
* (80+80 isn't supported yet)
|
||||
* @MAC80211_HWSIM_TX_RC_DUP_DATA: The frame should be transmitted on both of
|
||||
* the adjacent 20 MHz channels, if the current channel type is
|
||||
* NL80211_CHAN_HT40MINUS or NL80211_CHAN_HT40PLUS.
|
||||
* @MAC80211_HWSIM_TX_RC_SHORT_GI: Short Guard interval should be used for this
|
||||
* rate.
|
||||
*/
|
||||
enum hwsim_tx_rate_flags {
|
||||
MAC80211_HWSIM_TX_RC_USE_RTS_CTS = BIT(0),
|
||||
MAC80211_HWSIM_TX_RC_USE_CTS_PROTECT = BIT(1),
|
||||
MAC80211_HWSIM_TX_RC_USE_SHORT_PREAMBLE = BIT(2),
|
||||
|
||||
/* rate index is an HT/VHT MCS instead of an index */
|
||||
MAC80211_HWSIM_TX_RC_MCS = BIT(3),
|
||||
MAC80211_HWSIM_TX_RC_GREEN_FIELD = BIT(4),
|
||||
MAC80211_HWSIM_TX_RC_40_MHZ_WIDTH = BIT(5),
|
||||
MAC80211_HWSIM_TX_RC_DUP_DATA = BIT(6),
|
||||
MAC80211_HWSIM_TX_RC_SHORT_GI = BIT(7),
|
||||
MAC80211_HWSIM_TX_RC_VHT_MCS = BIT(8),
|
||||
MAC80211_HWSIM_TX_RC_80_MHZ_WIDTH = BIT(9),
|
||||
MAC80211_HWSIM_TX_RC_160_MHZ_WIDTH = BIT(10),
|
||||
};
|
||||
|
||||
/**
|
||||
* struct hwsim_tx_rate - rate selection/status
|
||||
*
|
||||
* @idx: rate index to attempt to send with
|
||||
* @count: number of tries in this rate before going to the next rate
|
||||
*
|
||||
* A value of -1 for @idx indicates an invalid rate and, if used
|
||||
* in an array of retry rates, that no more rates should be tried.
|
||||
*
|
||||
* When used for transmit status reporting, the driver should
|
||||
* always report the rate and number of retries used.
|
||||
*
|
||||
*/
|
||||
struct hwsim_tx_rate_flag {
|
||||
s8 idx;
|
||||
u16 flags;
|
||||
} __packed;
|
||||
#endif /* __MAC80211_HWSIM_H */
|
||||
|
|
|
@ -420,7 +420,7 @@ static ssize_t sta_vht_capa_read(struct file *file, char __user *userbuf,
|
|||
default:
|
||||
p += scnprintf(p, sizeof(buf) + buf - p,
|
||||
"\t\tMAX-MPDU-UNKNOWN\n");
|
||||
};
|
||||
}
|
||||
switch (vhtc->cap & IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK) {
|
||||
case 0:
|
||||
p += scnprintf(p, sizeof(buf) + buf - p,
|
||||
|
@ -438,7 +438,7 @@ static ssize_t sta_vht_capa_read(struct file *file, char __user *userbuf,
|
|||
p += scnprintf(p, sizeof(buf) + buf - p,
|
||||
"\t\tUNKNOWN-MHZ: 0x%x\n",
|
||||
(vhtc->cap >> 2) & 0x3);
|
||||
};
|
||||
}
|
||||
PFLAG(RXLDPC, "RXLDPC");
|
||||
PFLAG(SHORT_GI_80, "SHORT-GI-80");
|
||||
PFLAG(SHORT_GI_160, "SHORT-GI-160");
|
||||
|
|
Loading…
Reference in a new issue