Allow usermode to pass probe-response data. This data can be used as a
template probe-response offloading.
Signed-off-by: Guy Eilam <guy@xxxxxxxxxx>
---
include/linux/nl80211.h | 4 ++++
include/net/cfg80211.h | 4 ++++
net/wireless/nl80211.c | 11 +++++++++++
3 files changed, 19 insertions(+), 0 deletions(-)
diff --git a/include/linux/nl80211.h b/include/linux/nl80211.h
index a436f74..6369631 100644
--- a/include/linux/nl80211.h
+++ b/include/linux/nl80211.h
@@ -1114,6 +1114,8 @@ enum nl80211_commands {
* In addition this attribute holds a bitmap of the supported protocols
* for offloading using &enum nl80211_probe_resp_offload_support_attr.
*
+ * @NL80211_ATTR_PROBE_RESP: Probe Response template data
+ *
* @NL80211_ATTR_MAX: highest attribute number currently defined
* @__NL80211_ATTR_AFTER_LAST: internal use
*/
@@ -1344,6 +1346,8 @@ enum nl80211_attrs {
NL80211_ATTR_PROBE_RESP_OFFLOAD_SUPPORT,
+ 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 b5ddd62..eb8b8c5 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -737,6 +737,8 @@ struct mpath_info {
* @ap_isolate: do not forward packets between connected stations
* @ht_opmode: HT Operation mode
* (u16 = opmode, -1 = do not change)
+ * @probe_resp_len: length of probe response template (@probe_resp)
+ * @probe_resp: probe response template (AP mode only)
*/
struct bss_parameters {
int use_cts_prot;
@@ -746,6 +748,8 @@ struct bss_parameters {
u8 basic_rates_len;
int ap_isolate;
int ht_opmode;
+ int probe_resp_len;
+ u8 *probe_resp;
};
/*
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index ad90ec4..aadca02 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_OPERATION] = { .type = NLA_U8 },
[NL80211_ATTR_TDLS_SUPPORT] = { .type = NLA_FLAG },
[NL80211_ATTR_TDLS_EXTERNAL_SETUP] = { .type = NLA_FLAG },
+ [NL80211_ATTR_PROBE_RESP] = { .type = NLA_BINARY,
+ .len = IEEE80211_MAX_DATA_LEN },
};
/* policy for the key attributes */
@@ -2978,6 +2980,15 @@ static int nl80211_set_bss(struct sk_buff *skb, struct genl_info *info)
if (info->attrs[NL80211_ATTR_BSS_HT_OPMODE])
params.ht_opmode =
nla_get_u16(info->attrs[NL80211_ATTR_BSS_HT_OPMODE]);
+ if (info->attrs[NL80211_ATTR_PROBE_RESP]) {
+ if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP)
+ return -EOPNOTSUPP;
+
+ params.probe_resp =
+ nla_data(info->attrs[NL80211_ATTR_PROBE_RESP]);
+ params.probe_resp_len =
+ nla_len(info->attrs[NL80211_ATTR_PROBE_RESP]);
+ }
if (!rdev->ops->change_bss)
return -EOPNOTSUPP;
--
1.7.4.1
--
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