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yaml
---
r: 352539
b: refs/heads/master
c: 1672c0e
h: refs/heads/master
i:
  352537: 8d4f152
  352535: 0c7ecfd
v: v3
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Johannes Berg committed Jan 31, 2013
1 parent 0757e8b commit 763c52f
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Showing 8 changed files with 104 additions and 30 deletions.
2 changes: 1 addition & 1 deletion [refs]
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Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 3ff9a827c683353b9826ef57366b0f313acc21b0
refs/heads/master: 1672c0e31917f49d31d30d79067103432bc20cc7
5 changes: 4 additions & 1 deletion trunk/include/net/mac80211.h
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Original file line number Diff line number Diff line change
Expand Up @@ -408,6 +408,9 @@ struct ieee80211_bss_conf {
* @IEEE80211_TX_INTFL_RETRANSMISSION: This frame is being retransmitted
* after TX status because the destination was asleep, it must not
* be modified again (no seqno assignment, crypto, etc.)
* @IEEE80211_TX_INTFL_MLME_CONN_TX: This frame was transmitted by the MLME
* code for connection establishment, this indicates that its status
* should kick the MLME state machine.
* @IEEE80211_TX_INTFL_NL80211_FRAME_TX: Frame was requested through nl80211
* MLME command (internal to mac80211 to figure out whether to send TX
* status to user space)
Expand Down Expand Up @@ -459,7 +462,7 @@ enum mac80211_tx_control_flags {
IEEE80211_TX_CTL_NO_PS_BUFFER = BIT(17),
IEEE80211_TX_CTL_MORE_FRAMES = BIT(18),
IEEE80211_TX_INTFL_RETRANSMISSION = BIT(19),
/* hole at 20, use later */
IEEE80211_TX_INTFL_MLME_CONN_TX = BIT(20),
IEEE80211_TX_INTFL_NL80211_FRAME_TX = BIT(21),
IEEE80211_TX_CTL_LDPC = BIT(22),
IEEE80211_TX_CTL_STBC = BIT(23) | BIT(24),
Expand Down
4 changes: 2 additions & 2 deletions trunk/net/mac80211/ibss.c
View file
Original file line number Diff line number Diff line change
Expand Up @@ -302,7 +302,7 @@ static struct sta_info *ieee80211_ibss_finish_sta(struct sta_info *sta,
"TX Auth SA=%pM DA=%pM BSSID=%pM (auth_transaction=1)\n",
sdata->vif.addr, addr, sdata->u.ibss.bssid);
ieee80211_send_auth(sdata, 1, WLAN_AUTH_OPEN, 0, NULL, 0,
addr, sdata->u.ibss.bssid, NULL, 0, 0);
addr, sdata->u.ibss.bssid, NULL, 0, 0, 0);
}
return sta;
}
Expand Down Expand Up @@ -422,7 +422,7 @@ static void ieee80211_rx_mgmt_auth_ibss(struct ieee80211_sub_if_data *sdata,
* has actually implemented this.
*/
ieee80211_send_auth(sdata, 2, WLAN_AUTH_OPEN, 0, NULL, 0,
mgmt->sa, sdata->u.ibss.bssid, NULL, 0, 0);
mgmt->sa, sdata->u.ibss.bssid, NULL, 0, 0, 0);
}

static void ieee80211_rx_bss_info(struct ieee80211_sub_if_data *sdata,
Expand Down
11 changes: 9 additions & 2 deletions trunk/net/mac80211/ieee80211_i.h
View file
Original file line number Diff line number Diff line change
Expand Up @@ -415,6 +415,10 @@ struct ieee80211_if_managed {
bool beacon_crc_valid;
u32 beacon_crc;

bool status_acked;
bool status_received;
__le16 status_fc;

enum {
IEEE80211_MFP_DISABLED,
IEEE80211_MFP_OPTIONAL,
Expand Down Expand Up @@ -1284,6 +1288,8 @@ void ieee80211_sta_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata,
void ieee80211_sta_reset_beacon_monitor(struct ieee80211_sub_if_data *sdata);
void ieee80211_sta_reset_conn_monitor(struct ieee80211_sub_if_data *sdata);
void ieee80211_mgd_stop(struct ieee80211_sub_if_data *sdata);
void ieee80211_mgd_conn_tx_status(struct ieee80211_sub_if_data *sdata,
__le16 fc, bool acked);

/* IBSS code */
void ieee80211_ibss_notify_scan_completed(struct ieee80211_local *local);
Expand Down Expand Up @@ -1544,7 +1550,8 @@ static inline void ieee80211_add_pending_skbs(struct ieee80211_local *local,
void ieee80211_send_auth(struct ieee80211_sub_if_data *sdata,
u16 transaction, u16 auth_alg, u16 status,
u8 *extra, size_t extra_len, const u8 *bssid,
const u8 *da, const u8 *key, u8 key_len, u8 key_idx);
const u8 *da, const u8 *key, u8 key_len, u8 key_idx,
u32 tx_flags);
void ieee80211_send_deauth_disassoc(struct ieee80211_sub_if_data *sdata,
const u8 *bssid, u16 stype, u16 reason,
bool send_frame, u8 *frame_buf);
Expand All @@ -1561,7 +1568,7 @@ struct sk_buff *ieee80211_build_probe_req(struct ieee80211_sub_if_data *sdata,
void ieee80211_send_probe_req(struct ieee80211_sub_if_data *sdata, u8 *dst,
const u8 *ssid, size_t ssid_len,
const u8 *ie, size_t ie_len,
u32 ratemask, bool directed, bool no_cck,
u32 ratemask, bool directed, u32 tx_flags,
struct ieee80211_channel *channel, bool scan);

void ieee80211_sta_def_wmm_params(struct ieee80211_sub_if_data *sdata,
Expand Down
85 changes: 72 additions & 13 deletions trunk/net/mac80211/mlme.c
View file
Original file line number Diff line number Diff line change
Expand Up @@ -30,11 +30,13 @@
#include "rate.h"
#include "led.h"

#define IEEE80211_AUTH_TIMEOUT (HZ / 5)
#define IEEE80211_AUTH_MAX_TRIES 3
#define IEEE80211_AUTH_WAIT_ASSOC (HZ * 5)
#define IEEE80211_ASSOC_TIMEOUT (HZ / 5)
#define IEEE80211_ASSOC_MAX_TRIES 3
#define IEEE80211_AUTH_TIMEOUT (HZ / 5)
#define IEEE80211_AUTH_TIMEOUT_SHORT (HZ / 10)
#define IEEE80211_AUTH_MAX_TRIES 3
#define IEEE80211_AUTH_WAIT_ASSOC (HZ * 5)
#define IEEE80211_ASSOC_TIMEOUT (HZ / 5)
#define IEEE80211_ASSOC_TIMEOUT_SHORT (HZ / 10)
#define IEEE80211_ASSOC_MAX_TRIES 3

static int max_nullfunc_tries = 2;
module_param(max_nullfunc_tries, int, 0644);
Expand Down Expand Up @@ -644,6 +646,9 @@ static void ieee80211_send_assoc(struct ieee80211_sub_if_data *sdata)
drv_mgd_prepare_tx(local, sdata);

IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_INTFL_DONT_ENCRYPT;
if (local->hw.flags & IEEE80211_HW_REPORTS_TX_ACK_STATUS)
IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS |
IEEE80211_TX_INTFL_MLME_CONN_TX;
ieee80211_tx_skb(sdata, skb);
}

Expand Down Expand Up @@ -1707,7 +1712,7 @@ static void ieee80211_mgd_probe_ap_send(struct ieee80211_sub_if_data *sdata)
ssid_len = ssid[1];

ieee80211_send_probe_req(sdata, dst, ssid + 2, ssid_len, NULL,
0, (u32) -1, true, false,
0, (u32) -1, true, 0,
ifmgd->associated->channel, false);
rcu_read_unlock();
}
Expand Down Expand Up @@ -1937,21 +1942,26 @@ static void ieee80211_destroy_auth_data(struct ieee80211_sub_if_data *sdata,
static void ieee80211_auth_challenge(struct ieee80211_sub_if_data *sdata,
struct ieee80211_mgmt *mgmt, size_t len)
{
struct ieee80211_local *local = sdata->local;
struct ieee80211_mgd_auth_data *auth_data = sdata->u.mgd.auth_data;
u8 *pos;
struct ieee802_11_elems elems;
u32 tx_flags = 0;

pos = mgmt->u.auth.variable;
ieee802_11_parse_elems(pos, len - (pos - (u8 *) mgmt), &elems);
if (!elems.challenge)
return;
auth_data->expected_transaction = 4;
drv_mgd_prepare_tx(sdata->local, sdata);
if (local->hw.flags & IEEE80211_HW_REPORTS_TX_ACK_STATUS)
tx_flags = IEEE80211_TX_CTL_REQ_TX_STATUS |
IEEE80211_TX_INTFL_MLME_CONN_TX;
ieee80211_send_auth(sdata, 3, auth_data->algorithm, 0,
elems.challenge - 2, elems.challenge_len + 2,
auth_data->bss->bssid, auth_data->bss->bssid,
auth_data->key, auth_data->key_len,
auth_data->key_idx);
auth_data->key_idx, tx_flags);
}

static enum rx_mgmt_action __must_check
Expand Down Expand Up @@ -2869,12 +2879,17 @@ static int ieee80211_probe_auth(struct ieee80211_sub_if_data *sdata)
struct ieee80211_local *local = sdata->local;
struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
struct ieee80211_mgd_auth_data *auth_data = ifmgd->auth_data;
u32 tx_flags = 0;

lockdep_assert_held(&ifmgd->mtx);

if (WARN_ON_ONCE(!auth_data))
return -EINVAL;

if (local->hw.flags & IEEE80211_HW_REPORTS_TX_ACK_STATUS)
tx_flags = IEEE80211_TX_CTL_REQ_TX_STATUS |
IEEE80211_TX_INTFL_MLME_CONN_TX;

auth_data->tries++;

if (auth_data->tries > IEEE80211_AUTH_MAX_TRIES) {
Expand Down Expand Up @@ -2911,7 +2926,8 @@ static int ieee80211_probe_auth(struct ieee80211_sub_if_data *sdata)
ieee80211_send_auth(sdata, trans, auth_data->algorithm, status,
auth_data->data, auth_data->data_len,
auth_data->bss->bssid,
auth_data->bss->bssid, NULL, 0, 0);
auth_data->bss->bssid, NULL, 0, 0,
tx_flags);
} else {
const u8 *ssidie;

Expand All @@ -2930,13 +2946,15 @@ static int ieee80211_probe_auth(struct ieee80211_sub_if_data *sdata)
* will not answer to direct packet in unassociated state.
*/
ieee80211_send_probe_req(sdata, NULL, ssidie + 2, ssidie[1],
NULL, 0, (u32) -1, true, false,
NULL, 0, (u32) -1, true, tx_flags,
auth_data->bss->channel, false);
rcu_read_unlock();
}

auth_data->timeout = jiffies + IEEE80211_AUTH_TIMEOUT;
run_again(ifmgd, auth_data->timeout);
if (!(local->hw.flags & IEEE80211_HW_REPORTS_TX_ACK_STATUS)) {
auth_data->timeout = jiffies + IEEE80211_AUTH_TIMEOUT;
run_again(ifmgd, auth_data->timeout);
}

return 0;
}
Expand Down Expand Up @@ -2967,19 +2985,60 @@ static int ieee80211_do_assoc(struct ieee80211_sub_if_data *sdata)
IEEE80211_ASSOC_MAX_TRIES);
ieee80211_send_assoc(sdata);

assoc_data->timeout = jiffies + IEEE80211_ASSOC_TIMEOUT;
run_again(&sdata->u.mgd, assoc_data->timeout);
if (!(local->hw.flags & IEEE80211_HW_REPORTS_TX_ACK_STATUS)) {
assoc_data->timeout = jiffies + IEEE80211_ASSOC_TIMEOUT;
run_again(&sdata->u.mgd, assoc_data->timeout);
}

return 0;
}

void ieee80211_mgd_conn_tx_status(struct ieee80211_sub_if_data *sdata,
__le16 fc, bool acked)
{
struct ieee80211_local *local = sdata->local;

sdata->u.mgd.status_fc = fc;
sdata->u.mgd.status_acked = acked;
sdata->u.mgd.status_received = true;

ieee80211_queue_work(&local->hw, &sdata->work);
}

void ieee80211_sta_work(struct ieee80211_sub_if_data *sdata)
{
struct ieee80211_local *local = sdata->local;
struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;

mutex_lock(&ifmgd->mtx);

if (ifmgd->status_received) {
__le16 fc = ifmgd->status_fc;
bool status_acked = ifmgd->status_acked;

ifmgd->status_received = false;
if (ifmgd->auth_data &&
(ieee80211_is_probe_req(fc) || ieee80211_is_auth(fc))) {
if (status_acked) {
ifmgd->auth_data->timeout =
jiffies + IEEE80211_AUTH_TIMEOUT_SHORT;
run_again(ifmgd, ifmgd->auth_data->timeout);
} else {
ifmgd->auth_data->timeout = jiffies - 1;
}
} else if (ifmgd->assoc_data &&
(ieee80211_is_assoc_req(fc) ||
ieee80211_is_reassoc_req(fc))) {
if (status_acked) {
ifmgd->assoc_data->timeout =
jiffies + IEEE80211_ASSOC_TIMEOUT_SHORT;
run_again(ifmgd, ifmgd->assoc_data->timeout);
} else {
ifmgd->assoc_data->timeout = jiffies - 1;
}
}
}

if (ifmgd->auth_data &&
time_after(jiffies, ifmgd->auth_data->timeout)) {
if (ifmgd->auth_data->done) {
Expand Down
3 changes: 2 additions & 1 deletion trunk/net/mac80211/scan.c
View file
Original file line number Diff line number Diff line change
Expand Up @@ -389,7 +389,8 @@ static void ieee80211_scan_state_send_probe(struct ieee80211_local *local,
local->scan_req->ssids[i].ssid_len,
local->scan_req->ie, local->scan_req->ie_len,
local->scan_req->rates[band], false,
local->scan_req->no_cck,
local->scan_req->no_cck ?
IEEE80211_TX_CTL_NO_CCK_RATE : 0,
local->hw.conf.channel, true);

/*
Expand Down
12 changes: 8 additions & 4 deletions trunk/net/mac80211/status.c
View file
Original file line number Diff line number Diff line change
Expand Up @@ -335,7 +335,8 @@ static void ieee80211_report_used_skb(struct ieee80211_local *local,
if (dropped)
acked = false;

if (info->flags & IEEE80211_TX_INTFL_NL80211_FRAME_TX) {
if (info->flags & (IEEE80211_TX_INTFL_NL80211_FRAME_TX |
IEEE80211_TX_INTFL_MLME_CONN_TX)) {
struct ieee80211_sub_if_data *sdata = NULL;
struct ieee80211_sub_if_data *iter_sdata;
u64 cookie = (unsigned long)skb;
Expand All @@ -357,10 +358,13 @@ static void ieee80211_report_used_skb(struct ieee80211_local *local,
sdata = rcu_dereference(local->p2p_sdata);
}

if (!sdata)
if (!sdata) {
skb->dev = NULL;
else if (ieee80211_is_nullfunc(hdr->frame_control) ||
ieee80211_is_qos_nullfunc(hdr->frame_control)) {
} else if (info->flags & IEEE80211_TX_INTFL_MLME_CONN_TX) {
ieee80211_mgd_conn_tx_status(sdata, hdr->frame_control,
acked);
} else if (ieee80211_is_nullfunc(hdr->frame_control) ||
ieee80211_is_qos_nullfunc(hdr->frame_control)) {
cfg80211_probe_status(sdata->dev, hdr->addr1,
cookie, acked, GFP_ATOMIC);
} else {
Expand Down
12 changes: 6 additions & 6 deletions trunk/net/mac80211/util.c
View file
Original file line number Diff line number Diff line change
Expand Up @@ -1030,7 +1030,8 @@ u32 ieee80211_mandatory_rates(struct ieee80211_local *local,
void ieee80211_send_auth(struct ieee80211_sub_if_data *sdata,
u16 transaction, u16 auth_alg, u16 status,
u8 *extra, size_t extra_len, const u8 *da,
const u8 *bssid, const u8 *key, u8 key_len, u8 key_idx)
const u8 *bssid, const u8 *key, u8 key_len, u8 key_idx,
u32 tx_flags)
{
struct ieee80211_local *local = sdata->local;
struct sk_buff *skb;
Expand Down Expand Up @@ -1063,7 +1064,8 @@ void ieee80211_send_auth(struct ieee80211_sub_if_data *sdata,
WARN_ON(err);
}

IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_INTFL_DONT_ENCRYPT;
IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_INTFL_DONT_ENCRYPT |
tx_flags;
ieee80211_tx_skb(sdata, skb);
}

Expand Down Expand Up @@ -1277,7 +1279,7 @@ struct sk_buff *ieee80211_build_probe_req(struct ieee80211_sub_if_data *sdata,
void ieee80211_send_probe_req(struct ieee80211_sub_if_data *sdata, u8 *dst,
const u8 *ssid, size_t ssid_len,
const u8 *ie, size_t ie_len,
u32 ratemask, bool directed, bool no_cck,
u32 ratemask, bool directed, u32 tx_flags,
struct ieee80211_channel *channel, bool scan)
{
struct sk_buff *skb;
Expand All @@ -1286,9 +1288,7 @@ void ieee80211_send_probe_req(struct ieee80211_sub_if_data *sdata, u8 *dst,
ssid, ssid_len,
ie, ie_len, directed);
if (skb) {
if (no_cck)
IEEE80211_SKB_CB(skb)->flags |=
IEEE80211_TX_CTL_NO_CCK_RATE;
IEEE80211_SKB_CB(skb)->flags |= tx_flags;
if (scan)
ieee80211_tx_skb_tid_band(sdata, skb, 7, channel->band);
else
Expand Down

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