Send background scan period as part of connect
command. Background scanning will be disabled
if the period value is zero.
Signed-off-by: Bala Shanmugam <bkamatch@xxxxxxxxxxxxxxxx>
---
include/linux/nl80211.h | 9 ++++++++-
include/net/cfg80211.h | 2 ++
net/wireless/nl80211.c | 6 ++++++
3 files changed, 16 insertions(+), 1 deletions(-)
diff --git a/include/linux/nl80211.h b/include/linux/nl80211.h
index ad56e21..3519054 100644
--- a/include/linux/nl80211.h
+++ b/include/linux/nl80211.h
@@ -366,7 +366,9 @@
* IEs in %NL80211_ATTR_IE, %NL80211_ATTR_AUTH_TYPE, %NL80211_ATTR_MAC,
* %NL80211_ATTR_WIPHY_FREQ, %NL80211_ATTR_CONTROL_PORT,
* %NL80211_ATTR_CONTROL_PORT_ETHERTYPE and
- * %NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT.
+ * %NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT. Background scan period can
+ * also be optionally specified in %NL80211_ATTR_BG_SCAN_PERIOD,
+ * zero period value is used to disable background scan.
* It is also sent as an event, with the BSSID and response IEs when the
* connection is established or failed to be established. This can be
* determined by the STATUS_CODE attribute.
@@ -1193,6 +1195,9 @@ enum nl80211_commands {
* @NL80211_ATTR_NOACK_MAP: This u16 bitmap contains the No Ack Policy of
* up to 16 TIDs.
*
+ * @NL80211_ATTR_BG_SCAN_PERIOD: Specify background scan period,
+ * zero value is used to disable background scan.
+ *
* @NL80211_ATTR_MAX: highest attribute number currently defined
* @__NL80211_ATTR_AFTER_LAST: internal use
*/
@@ -1438,6 +1443,8 @@ enum nl80211_attrs {
NL80211_ATTR_NOACK_MAP,
+ NL80211_ATTR_BG_SCAN_PERIOD,
+
/* add attributes here, update the policy in nl80211.c */
__NL80211_ATTR_AFTER_LAST,
diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index e0c9ff3..10f4373 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -1190,6 +1190,7 @@ struct cfg80211_ibss_params {
* @key_idx: index of WEP key for shared key authentication
* @key: WEP key for shared key authentication
* @flags: See &enum cfg80211_assoc_req_flags
+ * @bg_period: Background scan period in seconds
* @ht_capa: HT Capabilities over-rides. Values set in ht_capa_mask
* will be used in ht_capa. Un-supported values will be ignored.
* @ht_capa_mask: The bits of ht_capa which are to be used.
@@ -1207,6 +1208,7 @@ struct cfg80211_connect_params {
const u8 *key;
u8 key_len, key_idx;
u32 flags;
+ int bg_period;
struct ieee80211_ht_cap ht_capa;
struct ieee80211_ht_cap ht_capa_mask;
};
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index fe27476..ba9cb26 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -204,6 +204,7 @@ static const struct nla_policy nl80211_policy[NL80211_ATTR_MAX+1] = {
.len = NL80211_HT_CAPABILITY_LEN
},
[NL80211_ATTR_NOACK_MAP] = { .type = NLA_U16 },
+ [NL80211_ATTR_BG_SCAN_PERIOD] = { .type = NLA_U16 },
};
/* policy for the key attributes */
@@ -5061,6 +5062,11 @@ static int nl80211_connect(struct sk_buff *skb, struct genl_info *info)
} else
connect.auth_type = NL80211_AUTHTYPE_AUTOMATIC;
+ connect.bg_period = -1;
+ if (info->attrs[NL80211_ATTR_BG_SCAN_PERIOD])
+ connect.bg_period =
+ nla_get_u16(info->attrs[NL80211_ATTR_BG_SCAN_PERIOD]);
+
connect.privacy = info->attrs[NL80211_ATTR_PRIVACY];
err = nl80211_crypto_settings(rdev, info, &connect.crypto,
--
1.7.4.1
--
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