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openwrt-xburst/package/mac80211/patches/423-mac80211-make-bss-conf-part-of-vif.patch

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mac80211: add rate control rewrite and enhance the performance of the minstrel algorithm for non-mrr configurations git-svn-id: svn://svn.openwrt.org/openwrt/trunk@12948 3c298f89-4303-0410-b956-a3cf2f4a3e73
2008-10-11 04:33:09 +03:00
Subject: 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>
---
include/net/mac80211.h | 3 +++
net/mac80211/cfg.c | 6 +++---
net/mac80211/debugfs_netdev.c | 2 +-
net/mac80211/ieee80211_i.h | 3 ---
net/mac80211/iface.c | 2 +-
net/mac80211/main.c | 8 ++++----
net/mac80211/mlme.c | 30 +++++++++++++++---------------
net/mac80211/tx.c | 16 ++++++++--------
net/mac80211/util.c | 6 +++---
9 files changed, 38 insertions(+), 38 deletions(-)
--- everything.orig/include/net/mac80211.h 2008-10-10 17:09:04.000000000 +0200
+++ everything/include/net/mac80211.h 2008-10-10 17:09:41.000000000 +0200
@@ -519,11 +519,14 @@ 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 *))));
};
--- everything.orig/net/mac80211/ieee80211_i.h 2008-10-10 17:10:40.000000000 +0200
+++ everything/net/mac80211/ieee80211_i.h 2008-10-10 17:10:45.000000000 +0200
@@ -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
--- everything.orig/net/mac80211/main.c 2008-10-10 17:10:55.000000000 +0200
+++ everything/net/mac80211/main.c 2008-10-10 17:11:10.000000000 +0200
@@ -249,15 +249,15 @@ void ieee80211_bss_info_change_notify(st
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;
--- everything.orig/net/mac80211/iface.c 2008-10-10 17:12:11.000000000 +0200
+++ everything/net/mac80211/iface.c 2008-10-10 17:12:13.000000000 +0200
@@ -695,7 +695,7 @@ int ieee80211_if_change_type(struct ieee
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;
--- everything.orig/net/mac80211/mlme.c 2008-10-10 17:11:49.000000000 +0200
+++ everything/net/mac80211/mlme.c 2008-10-10 17:11:58.000000000 +0200
@@ -572,7 +572,7 @@ static void ieee80211_sta_wmm_params(str
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;
DECLARE_MAC_BUF(mac);
@@ -720,9 +720,9 @@ static void ieee80211_set_associated(str
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);
@@ -732,9 +732,9 @@ static void ieee80211_set_associated(str
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;
@@ -744,7 +744,7 @@ static void ieee80211_set_associated(str
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
@@ -853,15 +853,15 @@ static void ieee80211_set_disassoc(struc
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);
@@ -1194,7 +1194,7 @@ static void ieee80211_rx_mgmt_assoc_resp
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;
DECLARE_MAC_BUF(mac);
@@ -1337,7 +1337,7 @@ static void ieee80211_rx_mgmt_assoc_resp
}
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 &&
--- everything.orig/net/mac80211/cfg.c 2008-10-10 17:12:29.000000000 +0200
+++ everything/net/mac80211/cfg.c 2008-10-10 17:12:31.000000000 +0200
@@ -966,16 +966,16 @@ static int ieee80211_change_bss(struct w
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;
}
--- everything.orig/net/mac80211/debugfs_netdev.c 2008-10-10 17:13:26.000000000 +0200
+++ everything/net/mac80211/debugfs_netdev.c 2008-10-10 17:13:28.000000000 +0200
@@ -120,7 +120,7 @@ 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);
--- everything.orig/net/mac80211/tx.c 2008-10-10 17:12:46.000000000 +0200
+++ everything/net/mac80211/tx.c 2008-10-10 17:12:49.000000000 +0200
@@ -116,7 +116,7 @@ static __le16 ieee80211_duration(struct
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
* 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
/* 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);
@@ -465,7 +465,7 @@ ieee80211_tx_h_rate_ctrl(struct ieee8021
} 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)
@@ -531,7 +531,7 @@ ieee80211_tx_h_misc(struct ieee80211_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;
@@ -540,7 +540,7 @@ ieee80211_tx_h_misc(struct ieee80211_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;
}
@@ -560,7 +560,7 @@ ieee80211_tx_h_misc(struct ieee80211_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)))
@@ -1981,7 +1981,7 @@ struct sk_buff *ieee80211_beacon_get(str
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;
--- everything.orig/net/mac80211/util.c 2008-10-10 17:13:03.000000000 +0200
+++ everything/net/mac80211/util.c 2008-10-10 17:13:06.000000000 +0200
@@ -239,7 +239,7 @@ __le16 ieee80211_generic_frame_duration(
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 iee
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(stru
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;
}
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