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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>
This commit is contained in:
Arik Nemtsov 2011-11-10 11:28:56 +02:00 committed by John W. Linville
parent 87bbbe22f8
commit 00f740e1a3
3 changed files with 19 additions and 0 deletions
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6
include/linux/nl80211.h
View File

@ -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,

4
include/net/cfg80211.h
View File

@ -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;
};
/**

9
net/wireless/nl80211.c
View File

@ -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;