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-rw-r--r--package/mac80211/patches/020-nl80211-beacon-parameters.patch279
1 files changed, 279 insertions, 0 deletions
diff --git a/package/mac80211/patches/020-nl80211-beacon-parameters.patch b/package/mac80211/patches/020-nl80211-beacon-parameters.patch
new file mode 100644
index 0000000..51836f3
--- /dev/null
+++ b/package/mac80211/patches/020-nl80211-beacon-parameters.patch
@@ -0,0 +1,279 @@
+Subject: cfg80211/nl80211: add beacon settings
+
+This adds the necessary API to cfg80211/nl80211 to allow
+changing beaconing settings.
+
+Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
+
+---
+ include/linux/nl80211.h | 24 ++++++++
+ include/net/cfg80211.h | 33 +++++++++++
+ net/wireless/nl80211.c | 133 ++++++++++++++++++++++++++++++++++++++++++++++++
+ 3 files changed, 190 insertions(+)
+
+--- everything.orig/include/net/cfg80211.h 2007-11-08 11:50:57.412840007 +0100
++++ everything/include/net/cfg80211.h 2007-11-08 16:50:38.421522842 +0100
+@@ -69,6 +69,26 @@ struct key_params {
+ u32 cipher;
+ };
+
++/**
++ * struct beacon_parameters - beacon parameters
++ *
++ * Used to configure the beacon for an interface.
++ *
++ * @head: head portion of beacon (before TIM IE)
++ * or %NULL if not changed
++ * @tail: tail portion of beacon (after TIM IE)
++ * or %NULL if not changed
++ * @interval: beacon interval or zero if not changed
++ * @dtim_period: DTIM period or zero if not changed
++ * @head_len: length of @head
++ * @tail_len: length of @tail
++ */
++struct beacon_parameters {
++ u8 *head, *tail;
++ int interval, dtim_period;
++ int head_len, tail_len;
++};
++
+ /* from net/wireless.h */
+ struct wiphy;
+
+@@ -103,6 +123,13 @@ struct wiphy;
+ * and @key_index
+ *
+ * @set_default_key: set the default key on an interface
++ *
++ * @add_beacon: Add a beacon with given parameters, @head, @interval
++ * and @dtim_period will be valid, @tail is optional.
++ * @set_beacon: Change the beacon parameters for an access point mode
++ * interface. This should reject the call when no beacon has been
++ * configured.
++ * @del_beacon: Remove beacon configuration and stop sending the beacon.
+ */
+ struct cfg80211_ops {
+ int (*add_virtual_intf)(struct wiphy *wiphy, char *name,
+@@ -122,6 +149,12 @@ struct cfg80211_ops {
+ int (*set_default_key)(struct wiphy *wiphy,
+ struct net_device *netdev,
+ u8 key_index);
++
++ int (*add_beacon)(struct wiphy *wiphy, struct net_device *dev,
++ struct beacon_parameters *info);
++ int (*set_beacon)(struct wiphy *wiphy, struct net_device *dev,
++ struct beacon_parameters *info);
++ int (*del_beacon)(struct wiphy *wiphy, struct net_device *dev);
+ };
+
+ #endif /* __NET_CFG80211_H */
+--- everything.orig/include/linux/nl80211.h 2007-11-08 11:50:57.362839952 +0100
++++ everything/include/linux/nl80211.h 2007-11-08 16:56:32.431522732 +0100
+@@ -47,6 +47,15 @@
+ * @NL80211_CMD_DEL_KEY: delete a key identified by %NL80211_ATTR_KEY_IDX
+ * or %NL80211_ATTR_MAC.
+ *
++ * @NL80211_CMD_GET_BEACON: retrieve beacon information (returned in a
++ * %NL80222_CMD_NEW_BEACON message)
++ * @NL80211_CMD_SET_BEACON: set the beacon on an access point interface
++ * using the %NL80211_ATTR_BEACON_INTERVAL, %NL80211_ATTR_DTIM_PERIOD,
++ * %NL80211_BEACON_HEAD and %NL80211_BEACON_TAIL attributes.
++ * @NL80211_CMD_NEW_BEACON: add a new beacon to an access point interface,
++ * parameters are like for %NL80211_CMD_SET_BEACON.
++ * @NL80211_CMD_DEL_BEACON: remove the beacon, stop sending it
++ *
+ * @NL80211_CMD_MAX: highest used command number
+ * @__NL80211_CMD_AFTER_LAST: internal use
+ */
+@@ -69,6 +78,11 @@ enum nl80211_commands {
+ NL80211_CMD_NEW_KEY,
+ NL80211_CMD_DEL_KEY,
+
++ NL80211_CMD_GET_BEACON,
++ NL80211_CMD_SET_BEACON,
++ NL80211_CMD_NEW_BEACON,
++ NL80211_CMD_DEL_BEACON,
++
+ /* add commands here */
+
+ /* used to define NL80211_CMD_MAX below */
+@@ -101,6 +115,11 @@ enum nl80211_commands {
+ * @NL80211_ATTR_KEY_SEQ: transmit key sequence number (IV/PN) for TKIP and
+ * CCMP keys, each six bytes in little endian
+ *
++ * @NL80211_ATTR_BEACON_INTERVAL: beacon interval in TU
++ * @NL80211_ATTR_DTIM_PERIOD: DTIM period for beaconing
++ * @NL80211_ATTR_BEACON_HEAD: portion of the beacon before the TIM IE
++ * @NL80211_ATTR_BEACON_TAIL: portion of the beacon after the TIM IE
++ *
+ * @NL80211_ATTR_MAX: highest attribute number currently defined
+ * @__NL80211_ATTR_AFTER_LAST: internal use
+ */
+@@ -123,6 +142,11 @@ enum nl80211_attrs {
+ NL80211_ATTR_KEY_SEQ,
+ NL80211_ATTR_KEY_DEFAULT,
+
++ NL80211_ATTR_BEACON_INTERVAL,
++ NL80211_ATTR_DTIM_PERIOD,
++ NL80211_ATTR_BEACON_HEAD,
++ NL80211_ATTR_BEACON_TAIL,
++
+ /* add attributes here, update the policy in nl80211.c */
+
+ __NL80211_ATTR_AFTER_LAST,
+--- everything.orig/net/wireless/nl80211.c 2007-11-08 11:50:57.382836589 +0100
++++ everything/net/wireless/nl80211.c 2007-11-08 16:58:36.711524524 +0100
+@@ -69,6 +69,13 @@ static struct nla_policy nl80211_policy[
+ [NL80211_ATTR_KEY_IDX] = { .type = NLA_U8 },
+ [NL80211_ATTR_KEY_CIPHER] = { .type = NLA_U32 },
+ [NL80211_ATTR_KEY_DEFAULT] = { .type = NLA_FLAG },
++
++ [NL80211_ATTR_BEACON_INTERVAL] = { .type = NLA_U32 },
++ [NL80211_ATTR_DTIM_PERIOD] = { .type = NLA_U32 },
++ [NL80211_ATTR_BEACON_HEAD] = { .type = NLA_BINARY,
++ .len = IEEE80211_MAX_DATA_LEN },
++ [NL80211_ATTR_BEACON_TAIL] = { .type = NLA_BINARY,
++ .len = IEEE80211_MAX_DATA_LEN },
+ };
+
+ /* message building helper */
+@@ -600,6 +607,114 @@ static int nl80211_del_key(struct sk_buf
+ return err;
+ }
+
++static int nl80211_addset_beacon(struct sk_buff *skb, struct genl_info *info)
++{
++ int (*call)(struct wiphy *wiphy, struct net_device *dev,
++ struct beacon_parameters *info);
++ struct cfg80211_registered_device *drv;
++ int err;
++ struct net_device *dev;
++ struct beacon_parameters params;
++ int haveinfo = 0;
++
++ err = get_drv_dev_by_info_ifindex(info, &drv, &dev);
++ if (err)
++ return err;
++
++ switch (info->genlhdr->cmd) {
++ case NL80211_CMD_NEW_BEACON:
++ /* these are required for NEW_BEACON */
++ if (!info->attrs[NL80211_ATTR_BEACON_INTERVAL] ||
++ !info->attrs[NL80211_ATTR_DTIM_PERIOD] ||
++ !info->attrs[NL80211_ATTR_BEACON_HEAD]) {
++ err = -EINVAL;
++ goto out;
++ }
++
++ call = drv->ops->add_beacon;
++ break;
++ case NL80211_CMD_SET_BEACON:
++ call = drv->ops->set_beacon;
++ break;
++ default:
++ WARN_ON(1);
++ err = -EOPNOTSUPP;
++ goto out;
++ }
++
++ if (!call) {
++ err = -EOPNOTSUPP;
++ goto out;
++ }
++
++ memset(&params, 0, sizeof(params));
++
++ if (info->attrs[NL80211_ATTR_BEACON_INTERVAL]) {
++ params.interval =
++ nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]);
++ haveinfo = 1;
++ }
++
++ if (info->attrs[NL80211_ATTR_DTIM_PERIOD]) {
++ params.dtim_period =
++ nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]);
++ haveinfo = 1;
++ }
++
++ if (info->attrs[NL80211_ATTR_BEACON_HEAD]) {
++ params.head = nla_data(info->attrs[NL80211_ATTR_BEACON_HEAD]);
++ params.head_len =
++ nla_len(info->attrs[NL80211_ATTR_BEACON_HEAD]);
++ haveinfo = 1;
++ }
++
++ if (info->attrs[NL80211_ATTR_BEACON_TAIL]) {
++ params.tail = nla_data(info->attrs[NL80211_ATTR_BEACON_TAIL]);
++ params.tail_len =
++ nla_len(info->attrs[NL80211_ATTR_BEACON_TAIL]);
++ haveinfo = 1;
++ }
++
++ if (!haveinfo) {
++ err = -EINVAL;
++ goto out;
++ }
++
++ rtnl_lock();
++ err = call(&drv->wiphy, dev, &params);
++ rtnl_unlock();
++
++ out:
++ cfg80211_put_dev(drv);
++ dev_put(dev);
++ return err;
++}
++
++static int nl80211_del_beacon(struct sk_buff *skb, struct genl_info *info)
++{
++ struct cfg80211_registered_device *drv;
++ int err;
++ struct net_device *dev;
++
++ err = get_drv_dev_by_info_ifindex(info, &drv, &dev);
++ if (err)
++ return err;
++
++ if (!drv->ops->del_beacon) {
++ err = -EOPNOTSUPP;
++ goto out;
++ }
++
++ rtnl_lock();
++ err = drv->ops->del_beacon(&drv->wiphy, dev);
++ rtnl_unlock();
++
++ out:
++ cfg80211_put_dev(drv);
++ dev_put(dev);
++ return err;
++}
++
+ static struct genl_ops nl80211_ops[] = {
+ {
+ .cmd = NL80211_CMD_GET_WIPHY,
+@@ -663,6 +778,24 @@ static struct genl_ops nl80211_ops[] = {
+ .policy = nl80211_policy,
+ .flags = GENL_ADMIN_PERM,
+ },
++ {
++ .cmd = NL80211_CMD_SET_BEACON,
++ .policy = nl80211_policy,
++ .flags = GENL_ADMIN_PERM,
++ .doit = nl80211_addset_beacon,
++ },
++ {
++ .cmd = NL80211_CMD_NEW_BEACON,
++ .policy = nl80211_policy,
++ .flags = GENL_ADMIN_PERM,
++ .doit = nl80211_addset_beacon,
++ },
++ {
++ .cmd = NL80211_CMD_DEL_BEACON,
++ .policy = nl80211_policy,
++ .flags = GENL_ADMIN_PERM,
++ .doit = nl80211_del_beacon,
++ },
+ };
+
+ /* multicast groups */