cnss_nl: Add new attributes for cld80211 attr list

CLD80211_ATTR_CMD and CLD80211_ATTR_CMD_TAG_DATA are the
new attributes that are allowed for cld80211 family msgs
CLD80211_ATTR_CMD has cld80211 vendor subcommand in it,
while CLD80211_ATTR_CMD_TAG_DATA has nested sub attributes
of specified sub command.

CRs-Fixed: 2635543
Change-Id: I86004891e382cae29230edc654d2f8da0ddcc61b
Signed-off-by: Vinay Gannevaram <vganneva@codeaurora.org>

drivers/net/wireless/cnss_genl/cnss_nl.c

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: GPL-2.0-only
-/* Copyright (c) 2018-2019, The Linux Foundation. All rights reserved. */
+/* Copyright (c) 2018-2020, The Linux Foundation. All rights reserved. */
 
 #include <net/genetlink.h>
 #include <net/cnss_nl.h>
@@ -57,6 +57,8 @@ static const struct nla_policy cld80211_policy[CLD80211_ATTR_MAX + 1] = {
 				 .len = CLD80211_MAX_NL_DATA },
 	[CLD80211_ATTR_META_DATA] = { .type = NLA_BINARY,
 				 .len = CLD80211_MAX_NL_DATA },
+	[CLD80211_ATTR_CMD] = { .type = NLA_U32 },
+	[CLD80211_ATTR_CMD_TAG_DATA] = { .type = NLA_NESTED },
 };
 
 static int cld80211_pre_doit(const struct genl_ops *ops, struct sk_buff *skb,

include/net/cnss_nl.h

@@ -1,5 +1,5 @@
 /* SPDX-License-Identifier: GPL-2.0-only */
-/* Copyright (c) 2018-2019, The Linux Foundation. All rights reserved. */
+/* Copyright (c) 2018-2020, The Linux Foundation. All rights reserved. */
 
 #ifndef _NET_CNSS_GENETLINK_H_
 #define _NET_CNSS_GENETLINK_H_
@@ -17,6 +17,10 @@
  * @CLD80211_ATTR_META_DATA: Embed meta data for above data. This will help
  * wlan driver to peek into request message packet without opening up definition
  * of complete request message.
+ * @CLD80211_ATTR_CMD: cld80211 vendor subcommand in this attribute
+ * @CLD80211_ATTR_CMD_TAG_DATA: cld80211 vendor subcommand data is present in
+ * this attribute. It is a nested attribute with sub attributes of specified
+ * vendor sub command.
  *
  * Any new message in future can be added as another attribute
  */
@@ -24,6 +28,8 @@ enum cld80211_attr {
 	CLD80211_ATTR_VENDOR_DATA = 1,
 	CLD80211_ATTR_DATA,
 	CLD80211_ATTR_META_DATA,
+	CLD80211_ATTR_CMD,
+	CLD80211_ATTR_CMD_TAG_DATA,
 	/* add new attributes above here */
 
 	__CLD80211_ATTR_AFTER_LAST,