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authorArik Nemtsov <arik@wizery.com>2011-11-10 11:28:56 +0200
committerJohn W. Linville <linville@tuxdriver.com>2011-11-11 12:32:51 -0500
commit00f740e1a3b7abb51980371ee8fa113df22ae0b8 (patch)
treeef32c13175ba8bd2aed63d5fb31ad393829ce90d
parent87bbbe22f84b91d0bcd3a7fc638e4f5e8224cc4e (diff)
nl80211: Pass probe response data to drivers
Pass probe-response data from usermode via beacon parameters. Signed-off-by: Guy Eilam <guy@wizery.com> Signed-off-by: Arik Nemtsov <arik@wizery.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
-rw-r--r--include/linux/nl80211.h6
-rw-r--r--include/net/cfg80211.h4
-rw-r--r--net/wireless/nl80211.c9
3 files changed, 19 insertions, 0 deletions
diff --git a/include/linux/nl80211.h b/include/linux/nl80211.h
index be92333cf8f..f9261c25373 100644
--- a/include/linux/nl80211.h
+++ b/include/linux/nl80211.h
@@ -1166,6 +1166,10 @@ enum nl80211_commands {
* This attribute holds a bitmap of the supported protocols for
* offloading (see &enum nl80211_probe_resp_offload_support_attr).
*
+ * @NL80211_ATTR_PROBE_RESP: Probe Response template data. Contains the entire
+ * probe-response frame. The DA field in the 802.11 header is zero-ed out,
+ * to be filled by the FW.
+ *
* @NL80211_ATTR_MAX: highest attribute number currently defined
* @__NL80211_ATTR_AFTER_LAST: internal use
*/
@@ -1402,6 +1406,8 @@ enum nl80211_attrs {
NL80211_ATTR_PROBE_RESP_OFFLOAD,
+ NL80211_ATTR_PROBE_RESP,
+
/* 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 093f538f65d..8d7ba0961d3 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -391,6 +391,8 @@ struct cfg80211_crypto_settings {
* @assocresp_ies: extra information element(s) to add into (Re)Association
* Response frames or %NULL
* @assocresp_ies_len: length of assocresp_ies in octets
+ * @probe_resp_len: length of probe response template (@probe_resp)
+ * @probe_resp: probe response template (AP mode only)
*/
struct beacon_parameters {
u8 *head, *tail;
@@ -408,6 +410,8 @@ struct beacon_parameters {
size_t proberesp_ies_len;
const u8 *assocresp_ies;
size_t assocresp_ies_len;
+ int probe_resp_len;
+ u8 *probe_resp;
};
/**
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index f395a06c114..6bc7c4b32fa 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -197,6 +197,8 @@ static const struct nla_policy nl80211_policy[NL80211_ATTR_MAX+1] = {
[NL80211_ATTR_TDLS_SUPPORT] = { .type = NLA_FLAG },
[NL80211_ATTR_TDLS_EXTERNAL_SETUP] = { .type = NLA_FLAG },
[NL80211_ATTR_DONT_WAIT_FOR_ACK] = { .type = NLA_FLAG },
+ [NL80211_ATTR_PROBE_RESP] = { .type = NLA_BINARY,
+ .len = IEEE80211_MAX_DATA_LEN },
};
/* policy for the key attributes */
@@ -2171,6 +2173,13 @@ static int nl80211_addset_beacon(struct sk_buff *skb, struct genl_info *info)
nla_len(info->attrs[NL80211_ATTR_IE_ASSOC_RESP]);
}
+ if (info->attrs[NL80211_ATTR_PROBE_RESP]) {
+ params.probe_resp =
+ nla_data(info->attrs[NL80211_ATTR_PROBE_RESP]);
+ params.probe_resp_len =
+ nla_len(info->attrs[NL80211_ATTR_PROBE_RESP]);
+ }
+
err = call(&rdev->wiphy, dev, &params);
if (!err && params.interval)
wdev->beacon_interval = params.interval;