Added necessary functions and attributes to be able to pass driver
updated MU-EDCA parameters from mac80211 to user space.
Signed-off-by: Muna Sinada <msinada@xxxxxxxxxxxxxx>
---
include/net/cfg80211.h | 12 ++++++++++++
include/uapi/linux/nl80211.h | 10 ++++++++++
net/wireless/nl80211.c | 36 ++++++++++++++++++++++++++++++++++++
3 files changed, 58 insertions(+)
diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index ab249ca5d5d1..83e6101ad681 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -8038,4 +8038,16 @@ void cfg80211_update_owe_info_event(struct net_device *netdev,
*/
void cfg80211_bss_flush(struct wiphy *wiphy);
+/**
+ * cfg80211_update_muedca_params_event - Notify the updated MU-EDCA parameters
+ * to user space.
+ *
+ * @wiphy: the wiphy
+ * @params: Updated MU-EDCA parameters
+ * @gfp: allocation flags
+ */
+void cfg80211_update_muedca_params_event(struct wiphy *wiphy,
+ struct ieee80211_mu_edca_param_set
+ *params, gfp_t gfp);
+
#endif /* __NET_CFG80211_H */
diff --git a/include/uapi/linux/nl80211.h b/include/uapi/linux/nl80211.h
index 3e0d4a038ab6..0cd2e33f3df8 100644
--- a/include/uapi/linux/nl80211.h
+++ b/include/uapi/linux/nl80211.h
@@ -1178,6 +1178,11 @@
* includes the contents of the frame. %NL80211_ATTR_ACK flag is included
* if the recipient acknowledged the frame.
*
+ * @NL80211_CMD_UPDATE_HE_MUEDCA_PARAMS: Updated MU-EDCA parameters from
+ * driver. This event is used to update dynamic MU-EDCA parameters in
+ * Beacon frame, coming from driver and now need to be reflected in
+ * Beacon frame.
+ *
* @NL80211_CMD_MAX: highest used command number
* @__NL80211_CMD_AFTER_LAST: internal use
*/
@@ -1408,6 +1413,7 @@ enum nl80211_commands {
NL80211_CMD_CONTROL_PORT_FRAME_TX_STATUS,
+ NL80211_CMD_UPDATE_HE_MUEDCA_PARAMS,
/* add new commands above here */
/* used to define NL80211_CMD_MAX below */
@@ -2534,6 +2540,9 @@ enum nl80211_commands {
* This is a u8 attribute that encapsulates one of the values from
* &enum nl80211_sae_pwe_mechanism.
*
+ * @NL80211_ATTR_HE_MUEDCA_PARAMS: MU-EDCA AC parameters for the
+ * %NL80211_CMD_UPDATE_HE_MUEDCA_PARAMS command.
+ *
* @NUM_NL80211_ATTR: total number of nl80211_attrs available
* @NL80211_ATTR_MAX: highest attribute number currently defined
* @__NL80211_ATTR_AFTER_LAST: internal use
@@ -3025,6 +3034,7 @@ enum nl80211_attrs {
NL80211_ATTR_SAE_PWE,
+ NL80211_ATTR_HE_MUEDCA_PARAMS,
/* add attributes here, update the policy in nl80211.c */
__NL80211_ATTR_AFTER_LAST,
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 8811a4b69f21..75493758ec8e 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -17806,6 +17806,42 @@ void cfg80211_update_owe_info_event(struct net_device *netdev,
}
EXPORT_SYMBOL(cfg80211_update_owe_info_event);
+void cfg80211_update_muedca_params_event(struct wiphy *wiphy,
+ struct ieee80211_mu_edca_param_set
+ *params, gfp_t gfp)
+{
+ struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
+ struct sk_buff *msg;
+ void *hdr;
+
+ msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
+ if (!msg)
+ return;
+
+ hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_UPDATE_HE_MUEDCA_PARAMS);
+ if (!hdr)
+ goto nla_put_failure;
+
+ if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx))
+ goto nla_put_failure;
+
+ if (nla_put(msg, NL80211_ATTR_HE_MUEDCA_PARAMS,
+ sizeof(struct ieee80211_mu_edca_param_set),
+ (const void *)params))
+ goto nla_put_failure;
+
+ genlmsg_end(msg, hdr);
+
+ genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
+ NL80211_MCGRP_MLME, gfp);
+ return;
+
+nla_put_failure:
+ genlmsg_cancel(msg, hdr);
+ nlmsg_free(msg);
+}
+EXPORT_SYMBOL(cfg80211_update_muedca_params_event);
+
/* initialisation/exit functions */
int __init nl80211_init(void)
--
2.7.4
