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

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Message-Id: <20230130210158.4126129-9-elder@linaro.org>
Date:   Mon, 30 Jan 2023 15:01:58 -0600
From:   Alex Elder <elder@...aro.org>
To:     davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org,
        pabeni@...hat.com
Cc:     caleb.connolly@...aro.org, mka@...omium.org, evgreen@...omium.org,
        andersson@...nel.org, quic_cpratapa@...cinc.com,
        quic_avuyyuru@...cinc.com, quic_jponduru@...cinc.com,
        quic_subashab@...cinc.com, elder@...nel.org,
        netdev@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH net-next 8/8] net: ipa: define two new memory regions

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@...aro.org>
---
 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