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[1/2] cfg80211: allow user to specify short_preamble on ibss join

Message ID 1354468107-27430-1-git-send-email-antonio@open-mesh.com (mailing list archive)
State Not Applicable, archived
Headers show

Commit Message

Antonio Quartulli Dec. 2, 2012, 5:08 p.m. UTC 
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@openmesh.com>
---
 include/net/cfg80211.h | 1 +
 net/wireless/nl80211.c | 4 ++++
 2 files changed, 5 insertions(+)
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Patch

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);