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This time we have too many changes to list, highlights:

Browse source 
* virt_wifi - wireless control simulation on top of
    another network interface
  * hwsim configurability to test capabilities similar
    to real hardware
  * various mesh improvements
  * various radiotap vendor data fixes in mac80211
  * finally the nl_set_extack_cookie_u64() we talked
    about previously, used for
  * peer measurement APIs, right now only with FTM
    (flight time measurement) for location
  * made nl80211 radio/interface announcements more complete
  * various new HE (802.11ax) things:
    updates, TWT support, ...
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Merge tag 'mac80211-next-for-davem-2018-12-19' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next

Johannes Berg says:

====================
This time we have too many changes to list, highlights:
 * virt_wifi - wireless control simulation on top of
   another network interface
 * hwsim configurability to test capabilities similar
   to real hardware
 * various mesh improvements
 * various radiotap vendor data fixes in mac80211
 * finally the nl_set_extack_cookie_u64() we talked
   about previously, used for
 * peer measurement APIs, right now only with FTM
   (flight time measurement) for location
 * made nl80211 radio/interface announcements more complete
 * various new HE (802.11ax) things:
   updates, TWT support, ...
====================

Signed-off-by: David S. Miller <[email protected]>
This commit is contained in:
David S. Miller 2018-12-19 08:36:18 -08:00
commit 5a862f86b8
41 changed files with 2934 additions and 252 deletions
Download patch file Download diff file Expand all files Collapse all files

11
net/mac80211/Kconfig
View file

@ -57,14 +57,13 @@ comment "Some wireless drivers require a rate control algorithm"
depends on MAC80211 && MAC80211_HAS_RC=n
config MAC80211_MESH
bool "Enable mac80211 mesh networking (pre-802.11s) support"
bool "Enable mac80211 mesh networking support"
depends on MAC80211
---help---
This options enables support of Draft 802.11s mesh networking.
The implementation is based on Draft 2.08 of the Mesh Networking
amendment. However, no compliance with that draft is claimed or even
possible, as drafts leave a number of identifiers to be defined after
ratification. For more information visit http://o11s.org/.
Select this option to enable 802.11 mesh operation in mac80211
drivers that support it. 802.11 mesh connects multiple stations
over (possibly multi-hop) wireless links to form a single logical
LAN.
config MAC80211_LEDS
bool "Enable LED triggers"

29
net/mac80211/cfg.c
View file

@ -800,8 +800,8 @@ static int ieee80211_set_ftm_responder_params(
u8 *pos;
int len;
if ((!lci || !lci_len) && (!civicloc || !civicloc_len))
return 1;
if (!lci_len && !civicloc_len)
return 0;
bss_conf = &sdata->vif.bss_conf;
old = bss_conf->ftmr_params;
@ -2028,6 +2028,9 @@ static int ieee80211_update_mesh_config(struct wiphy *wiphy,
nconf->dot11MeshAwakeWindowDuration;
if (_chg_mesh_attr(NL80211_MESHCONF_PLINK_TIMEOUT, mask))
conf->plink_timeout = nconf->plink_timeout;
if (_chg_mesh_attr(NL80211_MESHCONF_CONNECTED_TO_GATE, mask))
conf->dot11MeshConnectedToMeshGate =
nconf->dot11MeshConnectedToMeshGate;
ieee80211_mbss_info_change_notify(sdata, BSS_CHANGED_BEACON);
return 0;
}
@ -3850,6 +3853,26 @@ ieee80211_get_ftm_responder_stats(struct wiphy *wiphy,
return drv_get_ftm_responder_stats(local, sdata, ftm_stats);
}
static int
ieee80211_start_pmsr(struct wiphy *wiphy, struct wireless_dev *dev,
struct cfg80211_pmsr_request *request)
{
struct ieee80211_local *local = wiphy_priv(wiphy);
struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(dev);
return drv_start_pmsr(local, sdata, request);
}
static void
ieee80211_abort_pmsr(struct wiphy *wiphy, struct wireless_dev *dev,
struct cfg80211_pmsr_request *request)
{
struct ieee80211_local *local = wiphy_priv(wiphy);
struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(dev);
return drv_abort_pmsr(local, sdata, request);
}
const struct cfg80211_ops mac80211_config_ops = {
.add_virtual_intf = ieee80211_add_iface,
.del_virtual_intf = ieee80211_del_iface,
@ -3945,4 +3968,6 @@ const struct cfg80211_ops mac80211_config_ops = {
.tx_control_port = ieee80211_tx_control_port,
.get_txq_stats = ieee80211_get_txq_stats,
.get_ftm_responder_stats = ieee80211_get_ftm_responder_stats,
.start_pmsr = ieee80211_start_pmsr,
.abort_pmsr = ieee80211_abort_pmsr,
};

3
net/mac80211/debugfs_netdev.c
View file

@ -641,6 +641,8 @@ IEEE80211_IF_FILE(dot11MeshHWMPconfirmationInterval,
IEEE80211_IF_FILE(power_mode, u.mesh.mshcfg.power_mode, DEC);
IEEE80211_IF_FILE(dot11MeshAwakeWindowDuration,
u.mesh.mshcfg.dot11MeshAwakeWindowDuration, DEC);
IEEE80211_IF_FILE(dot11MeshConnectedToMeshGate,
u.mesh.mshcfg.dot11MeshConnectedToMeshGate, DEC);
#endif
#define DEBUGFS_ADD_MODE(name, mode) \
@ -762,6 +764,7 @@ static void add_mesh_config(struct ieee80211_sub_if_data *sdata)
MESHPARAMS_ADD(dot11MeshHWMPconfirmationInterval);
MESHPARAMS_ADD(power_mode);
MESHPARAMS_ADD(dot11MeshAwakeWindowDuration);
MESHPARAMS_ADD(dot11MeshConnectedToMeshGate);
#undef MESHPARAMS_ADD
}
#endif

14
net/mac80211/debugfs_sta.c
View file

@ -795,22 +795,22 @@ static ssize_t sta_he_capa_read(struct file *file, char __user *userbuf,
#define PRINT_NSS_SUPP(f, n) \
do { \
int i; \
int _i; \
u16 v = le16_to_cpu(nss->f); \
p += scnprintf(p, buf_sz + buf - p, n ": %#.4x\n", v); \
for (i = 0; i < 8; i += 2) { \
switch ((v >> i) & 0x3) { \
for (_i = 0; _i < 8; _i += 2) { \
switch ((v >> _i) & 0x3) { \
case 0: \
PRINT(n "-%d-SUPPORT-0-7", i / 2); \
PRINT(n "-%d-SUPPORT-0-7", _i / 2); \
break; \
case 1: \
PRINT(n "-%d-SUPPORT-0-9", i / 2); \
PRINT(n "-%d-SUPPORT-0-9", _i / 2); \
break; \
case 2: \
PRINT(n "-%d-SUPPORT-0-11", i / 2); \
PRINT(n "-%d-SUPPORT-0-11", _i / 2); \
break; \
case 3: \
PRINT(n "-%d-NOT-SUPPORTED", i / 2); \
PRINT(n "-%d-NOT-SUPPORTED", _i / 2); \
break; \
} \
} \

34
net/mac80211/driver-ops.h
View file

@ -1199,6 +1199,40 @@ drv_get_ftm_responder_stats(struct ieee80211_local *local,
return ret;
}
static inline int drv_start_pmsr(struct ieee80211_local *local,
struct ieee80211_sub_if_data *sdata,
struct cfg80211_pmsr_request *request)
{
int ret = -EOPNOTSUPP;
might_sleep();
if (!check_sdata_in_driver(sdata))
return -EIO;
trace_drv_start_pmsr(local, sdata);
if (local->ops->start_pmsr)
ret = local->ops->start_pmsr(&local->hw, &sdata->vif, request);
trace_drv_return_int(local, ret);
return ret;
}
static inline void drv_abort_pmsr(struct ieee80211_local *local,
struct ieee80211_sub_if_data *sdata,
struct cfg80211_pmsr_request *request)
{
trace_drv_abort_pmsr(local, sdata);
might_sleep();
if (!check_sdata_in_driver(sdata))
return;
if (local->ops->abort_pmsr)
local->ops->abort_pmsr(&local->hw, &sdata->vif, request);
trace_drv_return_void(local);
}
static inline int drv_start_nan(struct ieee80211_local *local,
struct ieee80211_sub_if_data *sdata,
struct cfg80211_nan_conf *conf)

1
net/mac80211/ieee80211_i.h
View file

@ -500,6 +500,7 @@ struct ieee80211_if_managed {
unsigned int uapsd_max_sp_len;
int wmm_last_param_set;
int mu_edca_last_param_set;
u8 use_4addr;

10
net/mac80211/iface.c
View file

@ -1801,7 +1801,7 @@ int ieee80211_if_add(struct ieee80211_local *local, const char *name,
}
ieee80211_assign_perm_addr(local, ndev->perm_addr, type);
if (params && is_valid_ether_addr(params->macaddr))
if (is_valid_ether_addr(params->macaddr))
memcpy(ndev->dev_addr, params->macaddr, ETH_ALEN);
else
memcpy(ndev->dev_addr, ndev->perm_addr, ETH_ALEN);
@ -1870,11 +1870,9 @@ int ieee80211_if_add(struct ieee80211_local *local, const char *name,
ieee80211_setup_sdata(sdata, type);
if (ndev) {
if (params) {
ndev->ieee80211_ptr->use_4addr = params->use_4addr;
if (type == NL80211_IFTYPE_STATION)
sdata->u.mgd.use_4addr = params->use_4addr;
}
ndev->ieee80211_ptr->use_4addr = params->use_4addr;
if (type == NL80211_IFTYPE_STATION)
sdata->u.mgd.use_4addr = params->use_4addr;
ndev->features |= local->hw.netdev_features;

4
net/mac80211/main.c
View file

@ -1221,8 +1221,10 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
/* add one default STA interface if supported */
if (local->hw.wiphy->interface_modes & BIT(NL80211_IFTYPE_STATION) &&
!ieee80211_hw_check(hw, NO_AUTO_VIF)) {
struct vif_params params = {0};
result = ieee80211_if_add(local, "wlan%d", NET_NAME_ENUM, NULL,
NL80211_IFTYPE_STATION, NULL);
NL80211_IFTYPE_STATION, &params);
if (result)
wiphy_warn(local->hw.wiphy,
"Failed to add default virtual iface\n");

8
net/mac80211/mesh.c
View file

@ -254,6 +254,9 @@ int mesh_add_meshconf_ie(struct ieee80211_sub_if_data *sdata,
struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
u8 *pos, neighbors;
u8 meshconf_len = sizeof(struct ieee80211_meshconf_ie);
bool is_connected_to_gate = ifmsh->num_gates > 0 ||
ifmsh->mshcfg.dot11MeshGateAnnouncementProtocol ||
ifmsh->mshcfg.dot11MeshConnectedToMeshGate;
if (skb_tailroom(skb) < 2 + meshconf_len)
return -ENOMEM;
@ -278,7 +281,7 @@ int mesh_add_meshconf_ie(struct ieee80211_sub_if_data *sdata,
/* Mesh Formation Info - number of neighbors */
neighbors = atomic_read(&ifmsh->estab_plinks);
neighbors = min_t(int, neighbors, IEEE80211_MAX_MESH_PEERINGS);
*pos++ = neighbors << 1;
*pos++ = (neighbors << 1) | is_connected_to_gate;
/* Mesh capability */
*pos = 0x00;
*pos |= ifmsh->mshcfg.dot11MeshForwarding ?
@ -1191,7 +1194,8 @@ static void ieee80211_mesh_rx_bcn_presp(struct ieee80211_sub_if_data *sdata,
if (!sdata->u.mesh.user_mpm ||
sdata->u.mesh.mshcfg.rssi_threshold == 0 ||
sdata->u.mesh.mshcfg.rssi_threshold < rx_status->signal)
mesh_neighbour_update(sdata, mgmt->sa, &elems);
mesh_neighbour_update(sdata, mgmt->sa, &elems,
rx_status);
}
if (ifmsh->sync_ops)

3
net/mac80211/mesh.h
View file

@ -273,7 +273,8 @@ int mesh_gate_num(struct ieee80211_sub_if_data *sdata);
/* Mesh plinks */
void mesh_neighbour_update(struct ieee80211_sub_if_data *sdata,
u8 *hw_addr, struct ieee802_11_elems *ie);
u8 *hw_addr, struct ieee802_11_elems *ie,
struct ieee80211_rx_status *rx_status);
bool mesh_peer_accepts_plinks(struct ieee802_11_elems *ie);
u32 mesh_accept_plinks_update(struct ieee80211_sub_if_data *sdata);
void mesh_plink_timer(struct timer_list *t);

35
net/mac80211/mesh_plink.c
View file

@ -513,7 +513,8 @@ __mesh_sta_info_alloc(struct ieee80211_sub_if_data *sdata, u8 *hw_addr)
static struct sta_info *
mesh_sta_info_alloc(struct ieee80211_sub_if_data *sdata, u8 *addr,
struct ieee802_11_elems *elems)
struct ieee802_11_elems *elems,
struct ieee80211_rx_status *rx_status)
{
struct sta_info *sta = NULL;
@ -521,11 +522,17 @@ mesh_sta_info_alloc(struct ieee80211_sub_if_data *sdata, u8 *addr,
if (sdata->u.mesh.user_mpm ||
sdata->u.mesh.security & IEEE80211_MESH_SEC_AUTHED) {
if (mesh_peer_accepts_plinks(elems) &&
mesh_plink_availables(sdata))
mesh_plink_availables(sdata)) {
int sig = 0;
if (ieee80211_hw_check(&sdata->local->hw, SIGNAL_DBM))
sig = rx_status->signal;
cfg80211_notify_new_peer_candidate(sdata->dev, addr,
elems->ie_start,
elems->total_len,
GFP_KERNEL);
sig, GFP_KERNEL);
}
} else
sta = __mesh_sta_info_alloc(sdata, addr);
@ -538,13 +545,15 @@ mesh_sta_info_alloc(struct ieee80211_sub_if_data *sdata, u8 *addr,
* @sdata: local meshif
* @addr: peer's address
* @elems: IEs from beacon or mesh peering frame.
* @rx_status: rx status for the frame for signal reporting
*
* Return existing or newly allocated sta_info under RCU read lock.
* (re)initialize with given IEs.
*/
static struct sta_info *
mesh_sta_info_get(struct ieee80211_sub_if_data *sdata,
u8 *addr, struct ieee802_11_elems *elems) __acquires(RCU)
u8 *addr, struct ieee802_11_elems *elems,
struct ieee80211_rx_status *rx_status) __acquires(RCU)
{
struct sta_info *sta = NULL;
@ -555,7 +564,7 @@ mesh_sta_info_get(struct ieee80211_sub_if_data *sdata,
} else {
rcu_read_unlock();
/* can't run atomic */
sta = mesh_sta_info_alloc(sdata, addr, elems);
sta = mesh_sta_info_alloc(sdata, addr, elems, rx_status);
if (!sta) {
rcu_read_lock();
return NULL;
@ -576,20 +585,25 @@ mesh_sta_info_get(struct ieee80211_sub_if_data *sdata,
* @sdata: local meshif
* @addr: peer's address
* @elems: IEs from beacon or mesh peering frame
* @rx_status: rx status for the frame for signal reporting
*
* Initiates peering if appropriate.
*/
void mesh_neighbour_update(struct ieee80211_sub_if_data *sdata,
u8 *hw_addr,
struct ieee802_11_elems *elems)
struct ieee802_11_elems *elems,
struct ieee80211_rx_status *rx_status)
{
struct sta_info *sta;
u32 changed = 0;
sta = mesh_sta_info_get(sdata, hw_addr, elems);
sta = mesh_sta_info_get(sdata, hw_addr, elems, rx_status);
if (!sta)
goto out;
sta->mesh->connected_to_gate = elems->mesh_config->meshconf_form &
IEEE80211_MESHCONF_FORM_CONNECTED_TO_GATE;
if (mesh_peer_accepts_plinks(elems) &&
sta->mesh->plink_state == NL80211_PLINK_LISTEN &&
sdata->u.mesh.accepting_plinks &&
@ -1069,7 +1083,8 @@ out:
static void
mesh_process_plink_frame(struct ieee80211_sub_if_data *sdata,
struct ieee80211_mgmt *mgmt,
struct ieee802_11_elems *elems)
struct ieee802_11_elems *elems,
struct ieee80211_rx_status *rx_status)
{
struct sta_info *sta;
@ -1134,7 +1149,7 @@ mesh_process_plink_frame(struct ieee80211_sub_if_data *sdata,
if (event == OPN_ACPT) {
rcu_read_unlock();
/* allocate sta entry if necessary and update info */
sta = mesh_sta_info_get(sdata, mgmt->sa, elems);
sta = mesh_sta_info_get(sdata, mgmt->sa, elems, rx_status);
if (!sta) {
mpl_dbg(sdata, "Mesh plink: failed to init peer!\n");
goto unlock_rcu;
@ -1200,5 +1215,5 @@ void mesh_rx_plink_frame(struct ieee80211_sub_if_data *sdata,
return;
}
ieee802_11_parse_elems(baseaddr, len - baselen, true, &elems);
mesh_process_plink_frame(sdata, mgmt, &elems);
mesh_process_plink_frame(sdata, mgmt, &elems, rx_status);
}

53
net/mac80211/mlme.c
View file

@ -916,6 +916,15 @@ static void ieee80211_send_assoc(struct ieee80211_sub_if_data *sdata)
ieee80211_add_vht_ie(sdata, skb, sband,
&assoc_data->ap_vht_cap);
/*
* If AP doesn't support HT, mark HE as disabled.
* If on the 5GHz band, make sure it supports VHT.
*/
if (ifmgd->flags & IEEE80211_STA_DISABLE_HT ||
(sband->band == NL80211_BAND_5GHZ &&
ifmgd->flags & IEEE80211_STA_DISABLE_VHT))
ifmgd->flags |= IEEE80211_STA_DISABLE_HE;
if (!(ifmgd->flags & IEEE80211_STA_DISABLE_HE))
ieee80211_add_he_ie(sdata, skb, sband);
@ -1869,7 +1878,7 @@ ieee80211_sta_wmm_params(struct ieee80211_local *local,
struct ieee80211_tx_queue_params params[IEEE80211_NUM_ACS];
struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
size_t left;
int count, ac;
int count, mu_edca_count, ac;
const u8 *pos;
u8 uapsd_queues = 0;
@ -1889,9 +1898,16 @@ ieee80211_sta_wmm_params(struct ieee80211_local *local,
uapsd_queues = ifmgd->uapsd_queues;
count = wmm_param[6] & 0x0f;
if (count == ifmgd->wmm_last_param_set)
/* -1 is the initial value of ifmgd->mu_edca_last_param_set.
* if mu_edca was preset before and now it disappeared tell
* the driver about it.
*/
mu_edca_count = mu_edca ? mu_edca->mu_qos_info & 0x0f : -1;
if (count == ifmgd->wmm_last_param_set &&
mu_edca_count == ifmgd->mu_edca_last_param_set)
return false;
ifmgd->wmm_last_param_set = count;
ifmgd->mu_edca_last_param_set = mu_edca_count;
pos = wmm_param + 8;
left = wmm_param_len - 8;
@ -3062,6 +3078,19 @@ static void ieee80211_get_rates(struct ieee80211_supported_band *sband,
}
}
static bool ieee80211_twt_req_supported(const struct sta_info *sta,
const struct ieee802_11_elems *elems)
{
if (elems->ext_capab_len < 10)
return false;
if (!(elems->ext_capab[9] & WLAN_EXT_CAPA10_TWT_RESPONDER_SUPPORT))
return false;
return sta->sta.he_cap.he_cap_elem.mac_cap_info[0] &
IEEE80211_HE_MAC_CAP0_TWT_RES;
}
static bool ieee80211_assoc_success(struct ieee80211_sub_if_data *sdata,
struct cfg80211_bss *cbss,
struct ieee80211_mgmt *mgmt, size_t len)
@ -3215,16 +3244,6 @@ static bool ieee80211_assoc_success(struct ieee80211_sub_if_data *sdata,
goto out;
}
/*
* If AP doesn't support HT, or it doesn't have HE mandatory IEs, mark
* HE as disabled. If on the 5GHz band, make sure it supports VHT.
*/
if (ifmgd->flags & IEEE80211_STA_DISABLE_HT ||
(sband->band == NL80211_BAND_5GHZ &&
ifmgd->flags & IEEE80211_STA_DISABLE_VHT) ||
(!elems.he_cap && !elems.he_operation))
ifmgd->flags |= IEEE80211_STA_DISABLE_HE;
if (!(ifmgd->flags & IEEE80211_STA_DISABLE_HE) &&
(!elems.he_cap || !elems.he_operation)) {
mutex_unlock(&sdata->local->sta_mtx);
@ -3251,8 +3270,11 @@ static bool ieee80211_assoc_success(struct ieee80211_sub_if_data *sdata,
sta);
bss_conf->he_support = sta->sta.he_cap.has_he;
bss_conf->twt_requester =
ieee80211_twt_req_supported(sta, &elems);
} else {
bss_conf->he_support = false;
bss_conf->twt_requester = false;
}
if (bss_conf->he_support) {
@ -3337,6 +3359,7 @@ static bool ieee80211_assoc_success(struct ieee80211_sub_if_data *sdata,
* 4-bit value.
*/
ifmgd->wmm_last_param_set = -1;
ifmgd->mu_edca_last_param_set = -1;
if (ifmgd->flags & IEEE80211_STA_DISABLE_WMM) {
ieee80211_set_wmm_default(sdata, false, false);
@ -4660,8 +4683,10 @@ static int ieee80211_prep_channel(struct ieee80211_sub_if_data *sdata,
}
}
if (!(ifmgd->flags & IEEE80211_STA_DISABLE_HE) &&
ieee80211_get_he_sta_cap(sband)) {
if (!ieee80211_get_he_sta_cap(sband))
ifmgd->flags |= IEEE80211_STA_DISABLE_HE;
if (!(ifmgd->flags & IEEE80211_STA_DISABLE_HE)) {
const struct cfg80211_bss_ies *ies;
const u8 *he_oper_ie;

37
net/mac80211/rx.c
View file

@ -143,6 +143,9 @@ ieee80211_rx_radiotap_hdrlen(struct ieee80211_local *local,
/* allocate extra bitmaps */
if (status->chains)
len += 4 * hweight8(status->chains);
/* vendor presence bitmap */
if (status->flag & RX_FLAG_RADIOTAP_VENDOR_DATA)
len += 4;
if (ieee80211_have_rx_timestamp(status)) {
len = ALIGN(len, 8);
@ -207,8 +210,6 @@ ieee80211_rx_radiotap_hdrlen(struct ieee80211_local *local,
if (status->flag & RX_FLAG_RADIOTAP_VENDOR_DATA) {
struct ieee80211_vendor_radiotap *rtap = (void *)skb->data;
/* vendor presence bitmap */
len += 4;
/* alignment for fixed 6-byte vendor data header */
len = ALIGN(len, 2);
/* vendor data header */
@ -753,6 +754,7 @@ ieee80211_rx_monitor(struct ieee80211_local *local, struct sk_buff *origskb,
struct ieee80211_sub_if_data *monitor_sdata =
rcu_dereference(local->monitor_sdata);
bool only_monitor = false;
unsigned int min_head_len;
if (status->flag & RX_FLAG_RADIOTAP_HE)
rtap_space += sizeof(struct ieee80211_radiotap_he);
@ -760,12 +762,18 @@ ieee80211_rx_monitor(struct ieee80211_local *local, struct sk_buff *origskb,
if (status->flag & RX_FLAG_RADIOTAP_HE_MU)
rtap_space += sizeof(struct ieee80211_radiotap_he_mu);
if (status->flag & RX_FLAG_RADIOTAP_LSIG)
rtap_space += sizeof(struct ieee80211_radiotap_lsig);
if (unlikely(status->flag & RX_FLAG_RADIOTAP_VENDOR_DATA)) {
struct ieee80211_vendor_radiotap *rtap = (void *)origskb->data;
struct ieee80211_vendor_radiotap *rtap =
(void *)(origskb->data + rtap_space);
rtap_space += sizeof(*rtap) + rtap->len + rtap->pad;
}
min_head_len = rtap_space;
/*
* First, we may need to make a copy of the skb because
* (1) we need to modify it for radiotap (if not present), and
@ -775,18 +783,23 @@ ieee80211_rx_monitor(struct ieee80211_local *local, struct sk_buff *origskb,
* the SKB because it has a bad FCS/PLCP checksum.
*/
if (ieee80211_hw_check(&local->hw, RX_INCLUDES_FCS)) {
if (unlikely(origskb->len <= FCS_LEN)) {
/* driver bug */
WARN_ON(1);
dev_kfree_skb(origskb);
return NULL;
if (!(status->flag & RX_FLAG_NO_PSDU)) {
if (ieee80211_hw_check(&local->hw, RX_INCLUDES_FCS)) {
if (unlikely(origskb->len <= FCS_LEN + rtap_space)) {
/* driver bug */
WARN_ON(1);
dev_kfree_skb(origskb);
return NULL;
}
present_fcs_len = FCS_LEN;
}
present_fcs_len = FCS_LEN;
/* also consider the hdr->frame_control */
min_head_len += 2;
}
/* ensure hdr->frame_control and vendor radiotap data are in skb head */
if (!pskb_may_pull(origskb, 2 + rtap_space)) {
/* ensure that the expected data elements are in skb head */
if (!pskb_may_pull(origskb, min_head_len)) {
dev_kfree_skb(origskb);
return NULL;
}

22
net/mac80211/scan.c
View file

@ -356,7 +356,7 @@ static bool ieee80211_prep_hw_scan(struct ieee80211_local *local)
static void __ieee80211_scan_completed(struct ieee80211_hw *hw, bool aborted)
{
struct ieee80211_local *local = hw_to_local(hw);
bool hw_scan = local->ops->hw_scan;
bool hw_scan = test_bit(SCAN_HW_SCANNING, &local->scanning);
bool was_scanning = local->scanning;
struct cfg80211_scan_request *scan_req;
struct ieee80211_sub_if_data *scan_sdata;
@ -606,6 +606,7 @@ static int __ieee80211_start_scan(struct ieee80211_sub_if_data *sdata,
struct cfg80211_scan_request *req)
{
struct ieee80211_local *local = sdata->local;
bool hw_scan = local->ops->hw_scan;
int rc;
lockdep_assert_held(&local->mtx);
@ -620,7 +621,8 @@ static int __ieee80211_start_scan(struct ieee80211_sub_if_data *sdata,
return 0;
}
if (local->ops->hw_scan) {
again:
if (hw_scan) {
u8 *ies;
local->hw_scan_ies_bufsize = local->scan_ies_len + req->ie_len;
@ -679,7 +681,7 @@ static int __ieee80211_start_scan(struct ieee80211_sub_if_data *sdata,
else
memcpy(local->scan_addr, sdata->vif.addr, ETH_ALEN);
if (local->ops->hw_scan) {
if (hw_scan) {
__set_bit(SCAN_HW_SCANNING, &local->scanning);
} else if ((req->n_channels == 1) &&
(req->channels[0] == local->_oper_chandef.chan)) {
@ -722,7 +724,7 @@ static int __ieee80211_start_scan(struct ieee80211_sub_if_data *sdata,
ieee80211_recalc_idle(local);
if (local->ops->hw_scan) {
if (hw_scan) {
WARN_ON(!ieee80211_prep_hw_scan(local));
rc = drv_hw_scan(local, sdata, local->hw_scan_req);
} else {
@ -740,6 +742,18 @@ static int __ieee80211_start_scan(struct ieee80211_sub_if_data *sdata,
RCU_INIT_POINTER(local->scan_sdata, NULL);
}
if (hw_scan && rc == 1) {
/*
* we can't fall back to software for P2P-GO
* as it must update NoA etc.
*/
if (ieee80211_vif_type_p2p(&sdata->vif) ==
NL80211_IFTYPE_P2P_GO)
return -EOPNOTSUPP;
hw_scan = false;
goto again;
}
return rc;
}

11
net/mac80211/sta_info.c
View file

@ -2253,11 +2253,8 @@ void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo,
}
if (tidstats && !cfg80211_sinfo_alloc_tid_stats(sinfo, GFP_KERNEL)) {
for (i = 0; i < IEEE80211_NUM_TIDS + 1; i++) {
struct cfg80211_tid_stats *tidstats = &sinfo->pertid[i];
sta_set_tidstats(sta, tidstats, i);
}
for (i = 0; i < IEEE80211_NUM_TIDS + 1; i++)
sta_set_tidstats(sta, &sinfo->pertid[i], i);
}
if (ieee80211_vif_is_mesh(&sdata->vif)) {
@ -2267,7 +2264,8 @@ void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo,
BIT_ULL(NL80211_STA_INFO_PLINK_STATE) |
BIT_ULL(NL80211_STA_INFO_LOCAL_PM) |
BIT_ULL(NL80211_STA_INFO_PEER_PM) |
BIT_ULL(NL80211_STA_INFO_NONPEER_PM);
BIT_ULL(NL80211_STA_INFO_NONPEER_PM) |
BIT_ULL(NL80211_STA_INFO_CONNECTED_TO_GATE);
sinfo->llid = sta->mesh->llid;
sinfo->plid = sta->mesh->plid;
@ -2279,6 +2277,7 @@ void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo,
sinfo->local_pm = sta->mesh->local_pm;
sinfo->peer_pm = sta->mesh->peer_pm;
sinfo->nonpeer_pm = sta->mesh->nonpeer_pm;
sinfo->connected_to_gate = sta->mesh->connected_to_gate;
#endif
}

2
net/mac80211/sta_info.h
View file

@ -364,6 +364,7 @@ DECLARE_EWMA(mesh_fail_avg, 20, 8)
* @nonpeer_pm: STA power save mode towards non-peer neighbors
* @processed_beacon: set to true after peer rates and capabilities are
* processed
* @connected_to_gate: true if mesh STA has a path to a mesh gate
* @fail_avg: moving percentage of failed MSDUs
*/
struct mesh_sta {
@ -381,6 +382,7 @@ struct mesh_sta {
u8 plink_retries;
bool processed_beacon;
bool connected_to_gate;
enum nl80211_plink_state plink_state;
u32 plink_timeout;

18
net/mac80211/trace.h
View file

@ -1052,10 +1052,10 @@ TRACE_EVENT(drv_ampdu_action,
);
TRACE_EVENT(drv_get_survey,
TP_PROTO(struct ieee80211_local *local, int idx,
TP_PROTO(struct ieee80211_local *local, int _idx,
struct survey_info *survey),
TP_ARGS(local, idx, survey),
TP_ARGS(local, _idx, survey),
TP_STRUCT__entry(
LOCAL_ENTRY
@ -1064,7 +1064,7 @@ TRACE_EVENT(drv_get_survey,
TP_fast_assign(
LOCAL_ASSIGN;
__entry->idx = idx;
__entry->idx = _idx;
),
TP_printk(
@ -1882,6 +1882,18 @@ TRACE_EVENT(drv_del_nan_func,
)
);
DEFINE_EVENT(local_sdata_evt, drv_start_pmsr,
TP_PROTO(struct ieee80211_local *local,
struct ieee80211_sub_if_data *sdata),
TP_ARGS(local, sdata)
);
DEFINE_EVENT(local_sdata_evt, drv_abort_pmsr,
TP_PROTO(struct ieee80211_local *local,
struct ieee80211_sub_if_data *sdata),
TP_ARGS(local, sdata)
);
/*
* Tracing for API calls that drivers call.
*/

11
net/mac80211/tx.c
View file

@ -3218,6 +3218,9 @@ static bool ieee80211_amsdu_aggregate(struct ieee80211_sub_if_data *sdata,
if (!ieee80211_hw_check(&local->hw, TX_AMSDU))
return false;
if (skb_is_gso(skb))
return false;
if (!txq)
return false;
@ -3242,7 +3245,7 @@ static bool ieee80211_amsdu_aggregate(struct ieee80211_sub_if_data *sdata,
tin = &txqi->tin;
flow = fq_flow_classify(fq, tin, skb, fq_flow_get_default_func);
head = skb_peek_tail(&flow->queue);
if (!head)
if (!head || skb_is_gso(head))
goto out;
orig_len = head->len;
@ -3583,7 +3586,7 @@ begin:
skb_queue_splice_tail(&tx.skbs, &txqi->frags);
}
if (skb && skb_has_frag_list(skb) &&
if (skb_has_frag_list(skb) &&
!ieee80211_hw_check(&local->hw, TX_FRAG_LIST)) {
if (skb_linearize(skb)) {
ieee80211_free_txskb(&local->hw, skb);
@ -4579,7 +4582,7 @@ struct sk_buff *ieee80211_nullfunc_get(struct ieee80211_hw *hw,
IEEE80211_STYPE_NULLFUNC |
IEEE80211_FCTL_TODS);
if (qos) {
__le16 qos = cpu_to_le16(7);
__le16 qoshdr = cpu_to_le16(7);
BUILD_BUG_ON((IEEE80211_STYPE_QOS_NULLFUNC |
IEEE80211_STYPE_NULLFUNC) !=
@ -4588,7 +4591,7 @@ struct sk_buff *ieee80211_nullfunc_get(struct ieee80211_hw *hw,
cpu_to_le16(IEEE80211_STYPE_QOS_NULLFUNC);
skb->priority = 7;
skb_set_queue_mapping(skb, IEEE80211_AC_VO);
skb_put_data(skb, &qos, sizeof(qos));
skb_put_data(skb, &qoshdr, sizeof(qoshdr));
}
memcpy(nullfunc->addr1, ifmgd->bssid, ETH_ALEN);

51
net/mac80211/util.c
View file

@ -299,16 +299,16 @@ out:
spin_unlock_bh(&fq->lock);
}
void ieee80211_wake_txqs(unsigned long data)
static void
__releases(&local->queue_stop_reason_lock)
__acquires(&local->queue_stop_reason_lock)
_ieee80211_wake_txqs(struct ieee80211_local *local, unsigned long *flags)
{
struct ieee80211_local *local = (struct ieee80211_local *)data;
struct ieee80211_sub_if_data *sdata;
int n_acs = IEEE80211_NUM_ACS;
unsigned long flags;
int i;
rcu_read_lock();
spin_lock_irqsave(&local->queue_stop_reason_lock, flags);
if (local->hw.queues < IEEE80211_NUM_ACS)
n_acs = 1;
@ -317,7 +317,7 @@ void ieee80211_wake_txqs(unsigned long data)
if (local->queue_stop_reasons[i])
continue;
spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags);
spin_unlock_irqrestore(&local->queue_stop_reason_lock, *flags);
list_for_each_entry_rcu(sdata, &local->interfaces, list) {
int ac;
@ -329,13 +329,22 @@ void ieee80211_wake_txqs(unsigned long data)
__ieee80211_wake_txqs(sdata, ac);
}
}
spin_lock_irqsave(&local->queue_stop_reason_lock, flags);
spin_lock_irqsave(&local->queue_stop_reason_lock, *flags);
}
spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags);
rcu_read_unlock();
}
void ieee80211_wake_txqs(unsigned long data)
{
struct ieee80211_local *local = (struct ieee80211_local *)data;
unsigned long flags;
spin_lock_irqsave(&local->queue_stop_reason_lock, flags);
_ieee80211_wake_txqs(local, &flags);
spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags);
}
void ieee80211_propagate_queue_wake(struct ieee80211_local *local, int queue)
{
struct ieee80211_sub_if_data *sdata;
@ -371,7 +380,8 @@ void ieee80211_propagate_queue_wake(struct ieee80211_local *local, int queue)
static void __ieee80211_wake_queue(struct ieee80211_hw *hw, int queue,
enum queue_stop_reason reason,
bool refcounted)
bool refcounted,
unsigned long *flags)
{
struct ieee80211_local *local = hw_to_local(hw);
@ -405,8 +415,19 @@ static void __ieee80211_wake_queue(struct ieee80211_hw *hw, int queue,
} else
tasklet_schedule(&local->tx_pending_tasklet);
if (local->ops->wake_tx_queue)
tasklet_schedule(&local->wake_txqs_tasklet);
/*
* Calling _ieee80211_wake_txqs here can be a problem because it may
* release queue_stop_reason_lock which has been taken by
* __ieee80211_wake_queue's caller. It is certainly not very nice to
* release someone's lock, but it is fine because all the callers of
* __ieee80211_wake_queue call it right before releasing the lock.
*/
if (local->ops->wake_tx_queue) {
if (reason == IEEE80211_QUEUE_STOP_REASON_DRIVER)
tasklet_schedule(&local->wake_txqs_tasklet);
else
_ieee80211_wake_txqs(local, flags);
}
}
void ieee80211_wake_queue_by_reason(struct ieee80211_hw *hw, int queue,
@ -417,7 +438,7 @@ void ieee80211_wake_queue_by_reason(struct ieee80211_hw *hw, int queue,
unsigned long flags;
spin_lock_irqsave(&local->queue_stop_reason_lock, flags);
__ieee80211_wake_queue(hw, queue, reason, refcounted);
__ieee80211_wake_queue(hw, queue, reason, refcounted, &flags);
spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags);
}
@ -514,7 +535,7 @@ void ieee80211_add_pending_skb(struct ieee80211_local *local,
false);
__skb_queue_tail(&local->pending[queue], skb);
__ieee80211_wake_queue(hw, queue, IEEE80211_QUEUE_STOP_REASON_SKB_ADD,
false);
false, &flags);
spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags);
}
@ -547,7 +568,7 @@ void ieee80211_add_pending_skbs(struct ieee80211_local *local,
for (i = 0; i < hw->queues; i++)
__ieee80211_wake_queue(hw, i,
IEEE80211_QUEUE_STOP_REASON_SKB_ADD,
false);
false, &flags);
spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags);
}
@ -605,7 +626,7 @@ void ieee80211_wake_queues_by_reason(struct ieee80211_hw *hw,
spin_lock_irqsave(&local->queue_stop_reason_lock, flags);
for_each_set_bit(i, &queues, hw->queues)
__ieee80211_wake_queue(hw, i, reason, refcounted);
__ieee80211_wake_queue(hw, i, reason, refcounted, &flags);
spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags);
}
@ -1202,6 +1223,8 @@ u32 ieee802_11_parse_elems_crc(const u8 *start, size_t len, bool action,
if (pos[0] == WLAN_EID_EXT_HE_MU_EDCA &&
elen >= (sizeof(*elems->mu_edca_param_set) + 1)) {
elems->mu_edca_param_set = (void *)&pos[1];
if (calc_crc)
crc = crc32_be(crc, pos - 2, elen + 2);
} else if (pos[0] == WLAN_EID_EXT_HE_CAPABILITY) {
elems->he_cap = (void *)&pos[1];
elems->he_cap_len = elen - 1;