Short preamble can be used to improve wireless performance
on devices different from lagacy-802.11. This patch
enabled the user to specify such capability on IBSS join.
Signed-off-by: Antonio Quartulli <antonio@xxxxxxxxxxxxx>
---
* fixed email address
include/net/cfg80211.h | 1 +
net/wireless/nl80211.c | 4 ++++
2 files changed, 5 insertions(+)
diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index 8e6a6b7..c93955c 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -1416,6 +1416,7 @@ struct cfg80211_ibss_params {
bool privacy;
bool control_port;
int mcast_rate[IEEE80211_NUM_BANDS];
+ bool use_short_preamble;
};
/**
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index f45706a..e82c51a 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -5459,6 +5459,7 @@ static int nl80211_join_ibss(struct sk_buff *skb, struct genl_info *info)
struct wiphy *wiphy;
struct cfg80211_cached_keys *connkeys = NULL;
int err;
+ bool sp;
memset(&ibss, 0, sizeof(ibss));
@@ -5554,6 +5555,9 @@ static int nl80211_join_ibss(struct sk_buff *skb, struct genl_info *info)
ibss.control_port =
nla_get_flag(info->attrs[NL80211_ATTR_CONTROL_PORT]);
+ sp = nla_get_flags(info->attr[NL80211_ATTR_BSS_SHORT_PREAMBLE]);
+ ibss.use_short_preamble = sp;
+
err = cfg80211_join_ibss(rdev, dev, &ibss, connkeys);
if (err)
kfree(connkeys);
--
1.8.0
--
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