[PATCH net-next 8/8] net: ipa: define two new memory regions

From: Alex Elder
Date: Mon Jan 30 2023 - 16:05:11 EST


IPA v5.0 uses two memory regions not previously used. Define them
and treat them as valid only for IPA v5.0.

Signed-off-by: Alex Elder <elder@xxxxxxxxxx>
---
drivers/net/ipa/ipa_mem.c | 8 +++++++-
drivers/net/ipa/ipa_mem.h | 8 +++++---
2 files changed, 12 insertions(+), 4 deletions(-)

diff --git a/drivers/net/ipa/ipa_mem.c b/drivers/net/ipa/ipa_mem.c
index 9ec5af323f731..a07776e20cb0d 100644
--- a/drivers/net/ipa/ipa_mem.c
+++ b/drivers/net/ipa/ipa_mem.c
@@ -1,7 +1,7 @@
// SPDX-License-Identifier: GPL-2.0

/* Copyright (c) 2012-2018, The Linux Foundation. All rights reserved.
- * Copyright (C) 2019-2022 Linaro Ltd.
+ * Copyright (C) 2019-2023 Linaro Ltd.
*/

#include <linux/types.h>
@@ -163,6 +163,12 @@ static bool ipa_mem_id_valid(struct ipa *ipa, enum ipa_mem_id mem_id)
return false;
break;

+ case IPA_MEM_AP_V4_FILTER:
+ case IPA_MEM_AP_V6_FILTER:
+ if (version != IPA_VERSION_5_0)
+ return false;
+ break;
+
case IPA_MEM_NAT_TABLE:
case IPA_MEM_STATS_FILTER_ROUTE:
if (version < IPA_VERSION_4_5)
diff --git a/drivers/net/ipa/ipa_mem.h b/drivers/net/ipa/ipa_mem.h
index 570bfdd99bffb..868e9c20e8c41 100644
--- a/drivers/net/ipa/ipa_mem.h
+++ b/drivers/net/ipa/ipa_mem.h
@@ -1,7 +1,7 @@
/* SPDX-License-Identifier: GPL-2.0 */

/* Copyright (c) 2012-2018, The Linux Foundation. All rights reserved.
- * Copyright (C) 2019-2021 Linaro Ltd.
+ * Copyright (C) 2019-2023 Linaro Ltd.
*/
#ifndef _IPA_MEM_H_
#define _IPA_MEM_H_
@@ -62,13 +62,15 @@ enum ipa_mem_id {
IPA_MEM_PDN_CONFIG, /* 0/2 canaries (IPA v4.0+) */
IPA_MEM_STATS_QUOTA_MODEM, /* 2/4 canaries (IPA v4.0+) */
IPA_MEM_STATS_QUOTA_AP, /* 0 canaries, optional (IPA v4.0+) */
- IPA_MEM_STATS_TETHERING, /* 0 canaries (IPA v4.0+) */
+ IPA_MEM_STATS_TETHERING, /* 0 canaries, optional (IPA v4.0+) */
IPA_MEM_STATS_DROP, /* 0 canaries, optional (IPA v4.0+) */
- /* The next 5 filter and route statistics regions are optional */
+ /* The next 7 filter and route statistics regions are optional */
IPA_MEM_STATS_V4_FILTER, /* 0 canaries (IPA v4.0-v4.2) */
IPA_MEM_STATS_V6_FILTER, /* 0 canaries (IPA v4.0-v4.2) */
IPA_MEM_STATS_V4_ROUTE, /* 0 canaries (IPA v4.0-v4.2) */
IPA_MEM_STATS_V6_ROUTE, /* 0 canaries (IPA v4.0-v4.2) */
+ IPA_MEM_AP_V4_FILTER, /* 2 canaries (IPA v5.0) */
+ IPA_MEM_AP_V6_FILTER, /* 0 canaries (IPA v5.0) */
IPA_MEM_STATS_FILTER_ROUTE, /* 0 canaries (IPA v4.5+) */
IPA_MEM_NAT_TABLE, /* 4 canaries, optional (IPA v4.5+) */
IPA_MEM_END_MARKER, /* 1 canary (not a real region) */
--
2.34.1