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authorSam Leffler <sleffler@chromium.org>2012-10-11 21:03:31 -0700
committerJohannes Berg <johannes.berg@intel.com>2012-10-18 09:01:23 +0200
commited47377154310fd2fd59d75fcdeb3d022344fb31 (patch)
tree228eb525b26b448b13b8d74de01ba91a42dedc06 /net/wireless
parentf461be3eff662f01a177ecea8c1d7b040bb6bfbe (diff)
downloadblackbird-op-linux-ed47377154310fd2fd59d75fcdeb3d022344fb31.tar.gz
blackbird-op-linux-ed47377154310fd2fd59d75fcdeb3d022344fb31.zip
{nl,cfg}80211: add a flags word to scan requests
Add a flags word to direct and scheduled scan requests; it will be used for control of optional behaviours such as flushing the bss cache prior to doing a scan. Signed-off-by: Sam Leffler <sleffler@chromium.org> Tested-by: Amitkumar Karwar <akarwar@marvell.com> Signed-off-by: Amitkumar Karwar <akarwar@marvell.com> Signed-off-by: Bing Zhao <bzhao@marvell.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/wireless')
-rw-r--r--net/wireless/nl80211.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index ef170e982f91..dc08211c6c6b 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -356,6 +356,7 @@ static const struct nla_policy nl80211_policy[NL80211_ATTR_MAX+1] = {
[NL80211_ATTR_USER_REG_HINT_TYPE] = { .type = NLA_U32 },
[NL80211_ATTR_SAE_DATA] = { .type = NLA_BINARY, },
[NL80211_ATTR_VHT_CAPABILITY] = { .len = NL80211_VHT_CAPABILITY_LEN },
+ [NL80211_ATTR_SCAN_FLAGS] = { .type = NLA_U32 },
};
/* policy for the key attributes */
@@ -4367,6 +4368,10 @@ static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info)
}
}
+ if (info->attrs[NL80211_ATTR_SCAN_FLAGS])
+ request->flags = nla_get_u32(
+ info->attrs[NL80211_ATTR_SCAN_FLAGS]);
+
request->no_cck =
nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]);
@@ -4598,6 +4603,10 @@ static int nl80211_start_sched_scan(struct sk_buff *skb,
request->ie_len);
}
+ if (info->attrs[NL80211_ATTR_SCAN_FLAGS])
+ request->flags = nla_get_u32(
+ info->attrs[NL80211_ATTR_SCAN_FLAGS]);
+
request->dev = dev;
request->wiphy = &rdev->wiphy;
request->interval = interval;
@@ -7663,6 +7672,9 @@ static int nl80211_add_scan_req(struct sk_buff *msg,
nla_put(msg, NL80211_ATTR_IE, req->ie_len, req->ie))
goto nla_put_failure;
+ if (req->flags)
+ nla_put_u32(msg, NL80211_ATTR_SCAN_FLAGS, req->flags);
+
return 0;
nla_put_failure:
return -ENOBUFS;
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