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mac80211: don't always advertise remain-on-channel 

Not all devices are really capable of implementing
remain-on-channel, even if it is implemented in SW,
as they can't necessarily deal with channel changes
while associated.

Remove the WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL and add
it only if either the driver has remain_on_channel
implemented in the driver/device.

Also add it to all drivers that advertise P2P right
now since those definitely have to have it working.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Acked-by: Luciano Coelho <coelho@ti.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Johannes Berg 2012-03-26 18:47:18 +02:00 committed by John W. Linville
parent a75e2ad772
commit 81ddbb5c11
6 changed files with 13 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
drivers/net/wireless/ath/ath9k/htc_drv_init.c
View File

@ -713,7 +713,8 @@ static void ath9k_set_hw_capab(struct ath9k_htc_priv *priv,
hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT;
hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN;
hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN |
WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL;
hw->queues = 4;
hw->channel_change_time = 5000;

1
drivers/net/wireless/ath/ath9k/init.c
View File

@ -678,6 +678,7 @@ void ath9k_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw)
hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN;
hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS;
hw->wiphy->flags |= WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL;
hw->queues = 4;
hw->max_rates = 4;

2
drivers/net/wireless/ath/carl9170/fw.c
View File

@ -355,6 +355,8 @@ static int carl9170_fw(struct ar9170 *ar, const __u8 *data, size_t len)
ar->hw->wiphy->interface_modes |= if_comb_types;
ar->hw->wiphy->flags |= WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL;
#undef SUPPORTED
return carl9170_fw_tx_sequence(ar);
}

3
drivers/net/wireless/mac80211_hwsim.c
View File

@ -1791,7 +1791,8 @@ static int __init init_mac80211_hwsim(void)
IEEE80211_HW_SUPPORTS_DYNAMIC_SMPS |
IEEE80211_HW_AMPDU_AGGREGATION;
hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS;
hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS |
WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL;
/* ask mac80211 to reserve space for magic */
hw->vif_data_size = sizeof(struct hwsim_vif_priv);

3
drivers/net/wireless/wl12xx/main.c
View File

@ -5242,7 +5242,8 @@ static int wl1271_init_ieee80211(struct wl1271 *wl)
wl->hw->wiphy->max_sched_scan_ie_len = WL1271_CMD_TEMPL_MAX_SIZE -
sizeof(struct ieee80211_header);
wl->hw->wiphy->flags |= WIPHY_FLAG_AP_UAPSD;
wl->hw->wiphy->flags |= WIPHY_FLAG_AP_UAPSD |
WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL;
/* make sure all our channels fit in the scanned_ch bitmask */
BUILD_BUG_ON(ARRAY_SIZE(wl1271_channels) +

6
net/mac80211/main.c
View File

@ -557,8 +557,10 @@ struct ieee80211_hw *ieee80211_alloc_hw(size_t priv_data_len,
WIPHY_FLAG_4ADDR_AP |
WIPHY_FLAG_4ADDR_STATION |
WIPHY_FLAG_REPORTS_OBSS |
WIPHY_FLAG_OFFCHAN_TX |
WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL;
WIPHY_FLAG_OFFCHAN_TX;
if (ops->remain_on_channel)
wiphy->flags |= WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL;
wiphy->features = NL80211_FEATURE_SK_TX_STATUS |
NL80211_FEATURE_HT_IBSS;