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mac80211: move bss_conf into vif 

Move bss_conf into the vif struct so that drivers can
access it during ->tx without having to store it in
the private data or similar. No driver updates because
this is only for when they want to start using it.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Johannes Berg 2008-10-11 01:51:51 +02:00 committed by John W. Linville
parent 9124b07740
commit bda3933a8a
9 changed files with 38 additions and 38 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
include/net/mac80211.h
View File

@ -529,11 +529,14 @@ struct ieee80211_conf {
* use during the life of a virtual interface.
*
* @type: type of this virtual interface
* @bss_conf: BSS configuration for this interface, either our own
* or the BSS we're associated to
* @drv_priv: data area for driver use, will always be aligned to
* sizeof(void *).
*/
struct ieee80211_vif {
enum nl80211_iftype type;
struct ieee80211_bss_conf bss_conf;
/* must be last */
u8 drv_priv[0] __attribute__((__aligned__(sizeof(void *))));
};

6
net/mac80211/cfg.c
View File

@ -964,16 +964,16 @@ static int ieee80211_change_bss(struct wiphy *wiphy,
return -EINVAL;
if (params->use_cts_prot >= 0) {
sdata->bss_conf.use_cts_prot = params->use_cts_prot;
sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
changed |= BSS_CHANGED_ERP_CTS_PROT;
}
if (params->use_short_preamble >= 0) {
sdata->bss_conf.use_short_preamble =
sdata->vif.bss_conf.use_short_preamble =
params->use_short_preamble;
changed |= BSS_CHANGED_ERP_PREAMBLE;
}
if (params->use_short_slot_time >= 0) {
sdata->bss_conf.use_short_slot =
sdata->vif.bss_conf.use_short_slot =
params->use_short_slot_time;
changed |= BSS_CHANGED_ERP_SLOT;
}

2
net/mac80211/debugfs_netdev.c
View File

@ -119,7 +119,7 @@ static ssize_t ieee80211_if_fmt_flags(
sdata->u.sta.flags & IEEE80211_STA_AUTHENTICATED ? "AUTH\n" : "",
sdata->u.sta.flags & IEEE80211_STA_ASSOCIATED ? "ASSOC\n" : "",
sdata->u.sta.flags & IEEE80211_STA_PROBEREQ_POLL ? "PROBEREQ POLL\n" : "",
sdata->bss_conf.use_cts_prot ? "CTS prot\n" : "");
sdata->vif.bss_conf.use_cts_prot ? "CTS prot\n" : "");
}
__IEEE80211_IF_FILE(flags);

3
net/mac80211/ieee80211_i.h
View File

@ -440,9 +440,6 @@ struct ieee80211_sub_if_data {
u16 sequence_number;
/* BSS configuration for this interface. */
struct ieee80211_bss_conf bss_conf;
/*
* AP this belongs to: self in AP mode and
* corresponding AP in VLAN mode, NULL for

2
net/mac80211/iface.c
View File

@ -695,7 +695,7 @@ int ieee80211_if_change_type(struct ieee80211_sub_if_data *sdata,
ieee80211_setup_sdata(sdata, type);
/* reset some values that shouldn't be kept across type changes */
sdata->bss_conf.basic_rates =
sdata->vif.bss_conf.basic_rates =
ieee80211_mandatory_rates(sdata->local,
sdata->local->hw.conf.channel->band);
sdata->drop_unencrypted = 0;

8
net/mac80211/main.c
View File

@ -249,15 +249,15 @@ void ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata,
if (local->ops->bss_info_changed)
local->ops->bss_info_changed(local_to_hw(local),
&sdata->vif,
&sdata->bss_conf,
&sdata->vif.bss_conf,
changed);
}
u32 ieee80211_reset_erp_info(struct ieee80211_sub_if_data *sdata)
{
sdata->bss_conf.use_cts_prot = false;
sdata->bss_conf.use_short_preamble = false;
sdata->bss_conf.use_short_slot = false;
sdata->vif.bss_conf.use_cts_prot = false;
sdata->vif.bss_conf.use_short_preamble = false;
sdata->vif.bss_conf.use_short_slot = false;
return BSS_CHANGED_ERP_CTS_PROT |
BSS_CHANGED_ERP_PREAMBLE |
BSS_CHANGED_ERP_SLOT;

30
net/mac80211/mlme.c
View File

@ -572,7 +572,7 @@ static void ieee80211_sta_wmm_params(struct ieee80211_local *local,
static u32 ieee80211_handle_bss_capability(struct ieee80211_sub_if_data *sdata,
u16 capab, bool erp_valid, u8 erp)
{
struct ieee80211_bss_conf *bss_conf = &sdata->bss_conf;
struct ieee80211_bss_conf *bss_conf = &sdata->vif.bss_conf;
#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
struct ieee80211_if_sta *ifsta = &sdata->u.sta;
#endif
@ -718,9 +718,9 @@ static void ieee80211_set_associated(struct ieee80211_sub_if_data *sdata,
ifsta->ssid, ifsta->ssid_len);
if (bss) {
/* set timing information */
sdata->bss_conf.beacon_int = bss->beacon_int;
sdata->bss_conf.timestamp = bss->timestamp;
sdata->bss_conf.dtim_period = bss->dtim_period;
sdata->vif.bss_conf.beacon_int = bss->beacon_int;
sdata->vif.bss_conf.timestamp = bss->timestamp;
sdata->vif.bss_conf.dtim_period = bss->dtim_period;
changed |= ieee80211_handle_bss_capability(sdata,
bss->capability, bss->has_erp_value, bss->erp_value);
@ -730,9 +730,9 @@ static void ieee80211_set_associated(struct ieee80211_sub_if_data *sdata,
if (conf->flags & IEEE80211_CONF_SUPPORT_HT_MODE) {
changed |= BSS_CHANGED_HT;
sdata->bss_conf.assoc_ht = 1;
sdata->bss_conf.ht_cap = &conf->ht_cap;
sdata->bss_conf.ht_bss_conf = &conf->ht_bss_conf;
sdata->vif.bss_conf.assoc_ht = 1;
sdata->vif.bss_conf.ht_cap = &conf->ht_cap;
sdata->vif.bss_conf.ht_bss_conf = &conf->ht_bss_conf;
}
ifsta->flags |= IEEE80211_STA_PREV_BSSID_SET;
@ -742,7 +742,7 @@ static void ieee80211_set_associated(struct ieee80211_sub_if_data *sdata,
ifsta->last_probe = jiffies;
ieee80211_led_assoc(local, 1);
sdata->bss_conf.assoc = 1;
sdata->vif.bss_conf.assoc = 1;
/*
* For now just always ask the driver to update the basic rateset
* when we have associated, we aren't checking whether it actually
@ -847,15 +847,15 @@ static void ieee80211_set_disassoc(struct ieee80211_sub_if_data *sdata,
ifsta->flags &= ~IEEE80211_STA_ASSOCIATED;
changed |= ieee80211_reset_erp_info(sdata);
if (sdata->bss_conf.assoc_ht)
if (sdata->vif.bss_conf.assoc_ht)
changed |= BSS_CHANGED_HT;
sdata->bss_conf.assoc_ht = 0;
sdata->bss_conf.ht_cap = NULL;
sdata->bss_conf.ht_bss_conf = NULL;
sdata->vif.bss_conf.assoc_ht = 0;
sdata->vif.bss_conf.ht_cap = NULL;
sdata->vif.bss_conf.ht_bss_conf = NULL;
ieee80211_led_assoc(local, 0);
sdata->bss_conf.assoc = 0;
sdata->vif.bss_conf.assoc = 0;
ieee80211_sta_send_apinfo(sdata, ifsta);
@ -1182,7 +1182,7 @@ static void ieee80211_rx_mgmt_assoc_resp(struct ieee80211_sub_if_data *sdata,
u64 rates, basic_rates;
u16 capab_info, status_code, aid;
struct ieee802_11_elems elems;
struct ieee80211_bss_conf *bss_conf = &sdata->bss_conf;
struct ieee80211_bss_conf *bss_conf = &sdata->vif.bss_conf;
u8 *pos;
int i, j;
bool have_higher_than_11mbit = false;
@ -1324,7 +1324,7 @@ static void ieee80211_rx_mgmt_assoc_resp(struct ieee80211_sub_if_data *sdata,
}
sta->sta.supp_rates[local->hw.conf.channel->band] = rates;
sdata->bss_conf.basic_rates = basic_rates;
sdata->vif.bss_conf.basic_rates = basic_rates;
/* cf. IEEE 802.11 9.2.12 */
if (local->hw.conf.channel->band == IEEE80211_BAND_2GHZ &&

16
net/mac80211/tx.c
View File

@ -116,7 +116,7 @@ static __le16 ieee80211_duration(struct ieee80211_tx_data *tx, int group_addr,
if (r->bitrate > txrate->bitrate)
break;
if (tx->sdata->bss_conf.basic_rates & BIT(i))
if (tx->sdata->vif.bss_conf.basic_rates & BIT(i))
rate = r->bitrate;
switch (sband->band) {
@ -150,7 +150,7 @@ static __le16 ieee80211_duration(struct ieee80211_tx_data *tx, int group_addr,
* to closest integer */
dur = ieee80211_frame_duration(local, 10, rate, erp,
tx->sdata->bss_conf.use_short_preamble);
tx->sdata->vif.bss_conf.use_short_preamble);
if (next_frag_len) {
/* Frame is fragmented: duration increases with time needed to
@ -159,7 +159,7 @@ static __le16 ieee80211_duration(struct ieee80211_tx_data *tx, int group_addr,
/* next fragment */
dur += ieee80211_frame_duration(local, next_frag_len,
txrate->bitrate, erp,
tx->sdata->bss_conf.use_short_preamble);
tx->sdata->vif.bss_conf.use_short_preamble);
}
return cpu_to_le16(dur);
@ -463,7 +463,7 @@ ieee80211_tx_h_rate_ctrl(struct ieee80211_tx_data *tx)
} else
info->control.retries[0].rate_idx = -1;
if (tx->sdata->bss_conf.use_cts_prot &&
if (tx->sdata->vif.bss_conf.use_cts_prot &&
(tx->flags & IEEE80211_TX_FRAGMENTED) && (rsel.nonerp_idx >= 0)) {
tx->last_frag_rate_idx = tx->rate_idx;
if (rsel.probe_idx >= 0)
@ -529,7 +529,7 @@ ieee80211_tx_h_misc(struct ieee80211_tx_data *tx)
if ((tx->sdata->flags & IEEE80211_SDATA_OPERATING_GMODE) &&
(sband->bitrates[tx->rate_idx].flags & IEEE80211_RATE_ERP_G) &&
(tx->flags & IEEE80211_TX_UNICAST) &&
tx->sdata->bss_conf.use_cts_prot &&
tx->sdata->vif.bss_conf.use_cts_prot &&
!(info->flags & IEEE80211_TX_CTL_USE_RTS_CTS))
info->flags |= IEEE80211_TX_CTL_USE_CTS_PROTECT;
@ -538,7 +538,7 @@ ieee80211_tx_h_misc(struct ieee80211_tx_data *tx)
* available on the network at the current point in time. */
if (ieee80211_is_data(hdr->frame_control) &&
(sband->bitrates[tx->rate_idx].flags & IEEE80211_RATE_SHORT_PREAMBLE) &&
tx->sdata->bss_conf.use_short_preamble &&
tx->sdata->vif.bss_conf.use_short_preamble &&
(!tx->sta || test_sta_flags(tx->sta, WLAN_STA_SHORT_PREAMBLE))) {
info->flags |= IEEE80211_TX_CTL_SHORT_PREAMBLE;
}
@ -558,7 +558,7 @@ ieee80211_tx_h_misc(struct ieee80211_tx_data *tx)
for (idx = 0; idx < sband->n_bitrates; idx++) {
if (sband->bitrates[idx].bitrate > rate->bitrate)
continue;
if (tx->sdata->bss_conf.basic_rates & BIT(idx) &&
if (tx->sdata->vif.bss_conf.basic_rates & BIT(idx) &&
(baserate < 0 ||
(sband->bitrates[baserate].bitrate
< sband->bitrates[idx].bitrate)))
@ -1977,7 +1977,7 @@ struct sk_buff *ieee80211_beacon_get(struct ieee80211_hw *hw,
info->flags |= IEEE80211_TX_CTL_NO_ACK;
info->flags |= IEEE80211_TX_CTL_CLEAR_PS_FILT;
info->flags |= IEEE80211_TX_CTL_ASSIGN_SEQ;
if (sdata->bss_conf.use_short_preamble &&
if (sdata->vif.bss_conf.use_short_preamble &&
sband->bitrates[rsel.rate_idx].flags & IEEE80211_RATE_SHORT_PREAMBLE)
info->flags |= IEEE80211_TX_CTL_SHORT_PREAMBLE;

6
net/mac80211/util.c
View File

@ -239,7 +239,7 @@ __le16 ieee80211_generic_frame_duration(struct ieee80211_hw *hw,
erp = 0;
if (vif) {
sdata = vif_to_sdata(vif);
short_preamble = sdata->bss_conf.use_short_preamble;
short_preamble = sdata->vif.bss_conf.use_short_preamble;
if (sdata->flags & IEEE80211_SDATA_OPERATING_GMODE)
erp = rate->flags & IEEE80211_RATE_ERP_G;
}
@ -272,7 +272,7 @@ __le16 ieee80211_rts_duration(struct ieee80211_hw *hw,
erp = 0;
if (vif) {
sdata = vif_to_sdata(vif);
short_preamble = sdata->bss_conf.use_short_preamble;
short_preamble = sdata->vif.bss_conf.use_short_preamble;
if (sdata->flags & IEEE80211_SDATA_OPERATING_GMODE)
erp = rate->flags & IEEE80211_RATE_ERP_G;
}
@ -312,7 +312,7 @@ __le16 ieee80211_ctstoself_duration(struct ieee80211_hw *hw,
erp = 0;
if (vif) {
sdata = vif_to_sdata(vif);
short_preamble = sdata->bss_conf.use_short_preamble;
short_preamble = sdata->vif.bss_conf.use_short_preamble;
if (sdata->flags & IEEE80211_SDATA_OPERATING_GMODE)
erp = rate->flags & IEEE80211_RATE_ERP_G;
}