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wireless: rename ht_info to ht_operation

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Since some of the HT code pre-dates 802.11n-2009
some names are wrong. The one that bothers me most
is that "HT operation" is called "HT information"
in our code and that causes confusion.

Rename "HT information" to "HT operation" and also
the control_chan field to primary_chan to match
the name used in the spec.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Acked-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Johannes Berg
2012-03-15 19:45:16 +01:00
committed by John W. Linville
parent f69b9c79c9
commit 074d46d1d2
16 changed files with 102 additions and 106 deletions
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43
net/mac80211/util.c
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@@ -684,9 +684,9 @@ u32 ieee802_11_parse_elems_crc(u8 *start, size_t len,
else
elem_parse_failed = true;
break;
case WLAN_EID_HT_INFORMATION:
if (elen >= sizeof(struct ieee80211_ht_info))
elems->ht_info_elem = (void *)pos;
case WLAN_EID_HT_OPERATION:
if (elen >= sizeof(struct ieee80211_ht_operation))
elems->ht_operation = (void *)pos;
else
elem_parse_failed = true;
break;
@@ -1611,57 +1611,56 @@ u8 *ieee80211_ie_build_ht_cap(u8 *pos, struct ieee80211_sta_ht_cap *ht_cap,
return pos;
}
u8 *ieee80211_ie_build_ht_info(u8 *pos,
struct ieee80211_sta_ht_cap *ht_cap,
u8 *ieee80211_ie_build_ht_oper(u8 *pos, struct ieee80211_sta_ht_cap *ht_cap,
struct ieee80211_channel *channel,
enum nl80211_channel_type channel_type)
{
struct ieee80211_ht_info *ht_info;
struct ieee80211_ht_operation *ht_oper;
/* Build HT Information */
*pos++ = WLAN_EID_HT_INFORMATION;
*pos++ = sizeof(struct ieee80211_ht_info);
ht_info = (struct ieee80211_ht_info *)pos;
ht_info->control_chan =
*pos++ = WLAN_EID_HT_OPERATION;
*pos++ = sizeof(struct ieee80211_ht_operation);
ht_oper = (struct ieee80211_ht_operation *)pos;
ht_oper->primary_chan =
ieee80211_frequency_to_channel(channel->center_freq);
switch (channel_type) {
case NL80211_CHAN_HT40MINUS:
ht_info->ht_param = IEEE80211_HT_PARAM_CHA_SEC_BELOW;
ht_oper->ht_param = IEEE80211_HT_PARAM_CHA_SEC_BELOW;
break;
case NL80211_CHAN_HT40PLUS:
ht_info->ht_param = IEEE80211_HT_PARAM_CHA_SEC_ABOVE;
ht_oper->ht_param = IEEE80211_HT_PARAM_CHA_SEC_ABOVE;
break;
case NL80211_CHAN_HT20:
default:
ht_info->ht_param = IEEE80211_HT_PARAM_CHA_SEC_NONE;
ht_oper->ht_param = IEEE80211_HT_PARAM_CHA_SEC_NONE;
break;
}
if (ht_cap->cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40)
ht_info->ht_param |= IEEE80211_HT_PARAM_CHAN_WIDTH_ANY;
ht_oper->ht_param |= IEEE80211_HT_PARAM_CHAN_WIDTH_ANY;
/*
* Note: According to 802.11n-2009 9.13.3.1, HT Protection field and
* RIFS Mode are reserved in IBSS mode, therefore keep them at 0
*/
ht_info->operation_mode = 0x0000;
ht_info->stbc_param = 0x0000;
ht_oper->operation_mode = 0x0000;
ht_oper->stbc_param = 0x0000;
/* It seems that Basic MCS set and Supported MCS set
are identical for the first 10 bytes */
memset(&ht_info->basic_set, 0, 16);
memcpy(&ht_info->basic_set, &ht_cap->mcs, 10);
memset(&ht_oper->basic_set, 0, 16);
memcpy(&ht_oper->basic_set, &ht_cap->mcs, 10);
return pos + sizeof(struct ieee80211_ht_info);
return pos + sizeof(struct ieee80211_ht_operation);
}
enum nl80211_channel_type
ieee80211_ht_info_to_channel_type(struct ieee80211_ht_info *ht_info)
ieee80211_ht_oper_to_channel_type(struct ieee80211_ht_operation *ht_oper)
{
enum nl80211_channel_type channel_type;
if (!ht_info)
if (!ht_oper)
return NL80211_CHAN_NO_HT;
switch (ht_info->ht_param & IEEE80211_HT_PARAM_CHA_SEC_OFFSET) {
switch (ht_oper->ht_param & IEEE80211_HT_PARAM_CHA_SEC_OFFSET) {
case IEEE80211_HT_PARAM_CHA_SEC_NONE:
channel_type = NL80211_CHAN_HT20;
break;