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mac80211: print info when disabling HT

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Make mac80211 print a message when it disables
HT due to the connection using WEP/TKIP or due
to the AP not supporting WMM/QoS.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Johannes Berg 2012-05-30 15:57:00 +02:00 • committed by John W. Linville
parent a8ce85442e
commit 1c4cb928e1
1 changed files with 10 additions and 3 deletions
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13
net/mac80211/mlme.c
View file

@ -3317,11 +3317,15 @@ int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata,
* We can set this to true for non-11n hardware, that'll be checked * We can set this to true for non-11n hardware, that'll be checked
* separately along with the peer capabilities. * separately along with the peer capabilities.
*/ */
for (i = 0; i < req->crypto.n_ciphers_pairwise; i++) for (i = 0; i < req->crypto.n_ciphers_pairwise; i++) {
if (req->crypto.ciphers_pairwise[i] == WLAN_CIPHER_SUITE_WEP40 || if (req->crypto.ciphers_pairwise[i] == WLAN_CIPHER_SUITE_WEP40 ||
req->crypto.ciphers_pairwise[i] == WLAN_CIPHER_SUITE_TKIP || req->crypto.ciphers_pairwise[i] == WLAN_CIPHER_SUITE_TKIP ||
req->crypto.ciphers_pairwise[i] == WLAN_CIPHER_SUITE_WEP104) req->crypto.ciphers_pairwise[i] == WLAN_CIPHER_SUITE_WEP104) {
ifmgd->flags |= IEEE80211_STA_DISABLE_11N; ifmgd->flags |= IEEE80211_STA_DISABLE_11N;
netdev_info(sdata->dev,
"disabling HT due to WEP/TKIP use\n");
}
}
if (req->flags & ASSOC_REQ_DISABLE_HT) if (req->flags & ASSOC_REQ_DISABLE_HT)
ifmgd->flags |= IEEE80211_STA_DISABLE_11N; ifmgd->flags |= IEEE80211_STA_DISABLE_11N;
@ -3329,8 +3333,11 @@ int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata,
/* Also disable HT if we don't support it or the AP doesn't use WMM */ /* Also disable HT if we don't support it or the AP doesn't use WMM */
sband = local->hw.wiphy->bands[req->bss->channel->band]; sband = local->hw.wiphy->bands[req->bss->channel->band];
if (!sband->ht_cap.ht_supported || if (!sband->ht_cap.ht_supported ||
local->hw.queues < IEEE80211_NUM_ACS || !bss->wmm_used) local->hw.queues < IEEE80211_NUM_ACS || !bss->wmm_used) {
ifmgd->flags |= IEEE80211_STA_DISABLE_11N; ifmgd->flags |= IEEE80211_STA_DISABLE_11N;
netdev_info(sdata->dev,
"disabling HT as WMM/QoS is not supported\n");
}
memcpy(&ifmgd->ht_capa, &req->ht_capa, sizeof(ifmgd->ht_capa)); memcpy(&ifmgd->ht_capa, &req->ht_capa, sizeof(ifmgd->ht_capa));
memcpy(&ifmgd->ht_capa_mask, &req->ht_capa_mask, memcpy(&ifmgd->ht_capa_mask, &req->ht_capa_mask,