From 04f7d142f51c6019a695cfd70c09bb60233472c5 Mon Sep 17 00:00:00 2001
From: Tamizh chelvam <tamizhr@codeaurora.org>
Date: Mon, 20 Jan 2020 13:21:25 +0530
Subject: [PATCH] nl80211: Add support to configure TID specific RTSCTS configuration
Git-commit: 04f7d142f51c6019a695cfd70c09bb60233472c5
Patch-mainline: v5.7-rc1
References: jsc#SLE-13430
This patch adds support to configure per TID RTSCTS control
configuration to enable/disable through the
NL80211_TID_CONFIG_ATTR_RTSCTS_CTRL attribute.
Signed-off-by: Tamizh chelvam <tamizhr@codeaurora.org>
Link: https://lore.kernel.org/r/1579506687-18296-5-git-send-email-tamizhr@codeaurora.org
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
include/net/cfg80211.h | 2 ++
include/uapi/linux/nl80211.h | 4 ++++
net/wireless/nl80211.c | 8 ++++++++
3 files changed, 14 insertions(+)
diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index 78171ae01406..f7c84c32ba39 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -637,6 +637,7 @@ struct cfg80211_chan_def {
* @retry_long: retry count value
* @retry_short: retry count value
* @ampdu: Enable/Disable aggregation
+ * @rtscts: Enable/Disable RTS/CTS
*/
struct cfg80211_tid_cfg {
bool config_override;
@@ -645,6 +646,7 @@ struct cfg80211_tid_cfg {
enum nl80211_tid_config noack;
u8 retry_long, retry_short;
enum nl80211_tid_config ampdu;
+ enum nl80211_tid_config rtscts;
};
/**
diff --git a/include/uapi/linux/nl80211.h b/include/uapi/linux/nl80211.h
index 71cae33e6679..b002ef2060fa 100644
--- a/include/uapi/linux/nl80211.h
+++ b/include/uapi/linux/nl80211.h
@@ -4798,6 +4798,9 @@ enum nl80211_tid_config {
* @NL80211_TID_CONFIG_ATTR_AMPDU_CTRL: Enable/Disable aggregation for the TIDs
* specified in %NL80211_TID_CONFIG_ATTR_TIDS. Its type is u8, using
* the values from &nl80211_tid_config.
+ * @NL80211_TID_CONFIG_ATTR_RTSCTS_CTRL: Enable/Disable RTS_CTS for the TIDs
+ * specified in %NL80211_TID_CONFIG_ATTR_TIDS. It is u8 type, using
+ * the values from &nl80211_tid_config.
*/
enum nl80211_tid_config_attr {
__NL80211_TID_CONFIG_ATTR_INVALID,
@@ -4810,6 +4813,7 @@ enum nl80211_tid_config_attr {
NL80211_TID_CONFIG_ATTR_RETRY_SHORT,
NL80211_TID_CONFIG_ATTR_RETRY_LONG,
NL80211_TID_CONFIG_ATTR_AMPDU_CTRL,
+ NL80211_TID_CONFIG_ATTR_RTSCTS_CTRL,
/* keep last */
__NL80211_TID_CONFIG_ATTR_AFTER_LAST,
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 078d30756b3e..ae5e10fe1196 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -340,6 +340,8 @@ nl80211_tid_config_attr_policy[NL80211_TID_CONFIG_ATTR_MAX + 1] = {
[NL80211_TID_CONFIG_ATTR_RETRY_LONG] = NLA_POLICY_MIN(NLA_U8, 1),
[NL80211_TID_CONFIG_ATTR_AMPDU_CTRL] =
NLA_POLICY_MAX(NLA_U8, NL80211_TID_CONFIG_DISABLE),
+ [NL80211_TID_CONFIG_ATTR_RTSCTS_CTRL] =
+ NLA_POLICY_MAX(NLA_U8, NL80211_TID_CONFIG_DISABLE),
};
const struct nla_policy nl80211_policy[NUM_NL80211_ATTR] = {
@@ -14055,6 +14057,12 @@ static int parse_tid_conf(struct cfg80211_registered_device *rdev,
nla_get_u8(attrs[NL80211_TID_CONFIG_ATTR_AMPDU_CTRL]);
}
+ if (attrs[NL80211_TID_CONFIG_ATTR_RTSCTS_CTRL]) {
+ tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_RTSCTS_CTRL);
+ tid_conf->rtscts =
+ nla_get_u8(attrs[NL80211_TID_CONFIG_ATTR_RTSCTS_CTRL]);
+ }
+
if (peer)
mask = rdev->wiphy.tid_config_support.peer;
else
--
2.16.4