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Message-ID: <20241101-sparx5-lan969x-switch-driver-3-v1-6-3c76f22f4bfa@microchip.com>
Date: Fri, 1 Nov 2024 08:09:12 +0100
From: Daniel Machon <daniel.machon@...rochip.com>
To: Andrew Lunn <andrew+netdev@...n.ch>, "David S. Miller"
<davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, Jakub Kicinski
<kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>, Lars Povlsen
<lars.povlsen@...rochip.com>, Steen Hegelund <Steen.Hegelund@...rochip.com>,
Jens Emil Schulz Østergaard
<jensemil.schulzostergaard@...rochip.com>, <UNGLinuxDriver@...rochip.com>,
<jacob.e.keller@...el.com>, <christophe.jaillet@...adoo.fr>
CC: <netdev@...r.kernel.org>, <linux-arm-kernel@...ts.infradead.org>,
<linux-kernel@...r.kernel.org>
Subject: [PATCH net-next 6/6] net: lan969x: add VCAP configuration data
Add configuration data (for consumption by the VCAP API) for the four
VCAP's that we are going to support. The following VCAP's will be
supported:
- VCAP CLM: (also known as IS0) is part of the analyzer and enables
frame classification using VCAP functionality.
- VCAP IS2: is part of ANA_ACL and enables access control lists, using
VCAP functionality.
- VCAP ES0: is part of the rewriter and enables rewriting of frames
using VCAP functionality.
- VCAP ES2: is part of EACL and enables egress access control lists
using VCAP functionality
The two VCAP's: CLM and IS2 use shared resources from the SUPER VCAP.
The SUPER VCAP is a shared pool of 6 blocks that can be distributed
freely among CLM and IS2. Each block in the pool has 3,072 addresses
with entries, actions, and counters. ES0 and ES2 does not use shared
resources.
In the configuration data for lan969x CLM uses blocks 2-4 with a total
of 6 lookups. IS2 uses blocks 0-1 with a total of 4 lookups.
Reviewed-by: Steen Hegelund <Steen.Hegelund@...rochip.com>
Reviewed-by: Jens Emil Schulz Østergaard <jensemil.schulzostergaard@...rochip.com>
Signed-off-by: Daniel Machon <daniel.machon@...rochip.com>
---
drivers/net/ethernet/microchip/lan969x/Makefile | 2 +-
drivers/net/ethernet/microchip/lan969x/lan969x.c | 1 +
drivers/net/ethernet/microchip/lan969x/lan969x.h | 3 +
.../ethernet/microchip/lan969x/lan969x_vcap_impl.c | 85 ++++++++++++++++++++++
4 files changed, 90 insertions(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/microchip/lan969x/Makefile b/drivers/net/ethernet/microchip/lan969x/Makefile
index 3ea560e08a21..9a2351b4f111 100644
--- a/drivers/net/ethernet/microchip/lan969x/Makefile
+++ b/drivers/net/ethernet/microchip/lan969x/Makefile
@@ -6,7 +6,7 @@
obj-$(CONFIG_LAN969X_SWITCH) += lan969x-switch.o
lan969x-switch-y := lan969x_regs.o lan969x.o lan969x_calendar.o \
- lan969x_vcap_ag_api.o
+ lan969x_vcap_ag_api.o lan969x_vcap_impl.o
# Provide include files
ccflags-y += -I$(srctree)/drivers/net/ethernet/microchip/fdma
diff --git a/drivers/net/ethernet/microchip/lan969x/lan969x.c b/drivers/net/ethernet/microchip/lan969x/lan969x.c
index 0cb9ec1d2054..ac37d0f74ee3 100644
--- a/drivers/net/ethernet/microchip/lan969x/lan969x.c
+++ b/drivers/net/ethernet/microchip/lan969x/lan969x.c
@@ -321,6 +321,7 @@ static const struct sparx5_consts lan969x_consts = {
.tod_pin = 4,
.vcaps = lan969x_vcaps,
.vcap_stats = &lan969x_vcap_stats,
+ .vcaps_cfg = lan969x_vcap_inst_cfg,
};
static const struct sparx5_ops lan969x_ops = {
diff --git a/drivers/net/ethernet/microchip/lan969x/lan969x.h b/drivers/net/ethernet/microchip/lan969x/lan969x.h
index 167281d99c50..2489d0d32dfd 100644
--- a/drivers/net/ethernet/microchip/lan969x/lan969x.h
+++ b/drivers/net/ethernet/microchip/lan969x/lan969x.h
@@ -18,6 +18,9 @@ extern const struct sparx5_match_data lan969x_desc;
extern const struct vcap_statistics lan969x_vcap_stats;
extern const struct vcap_info lan969x_vcaps[];
+/* lan969x_vcap_impl.c */
+extern const struct sparx5_vcap_inst lan969x_vcap_inst_cfg[];
+
/* lan969x_regs.c */
extern const unsigned int lan969x_tsize[TSIZE_LAST];
extern const unsigned int lan969x_raddr[RADDR_LAST];
diff --git a/drivers/net/ethernet/microchip/lan969x/lan969x_vcap_impl.c b/drivers/net/ethernet/microchip/lan969x/lan969x_vcap_impl.c
new file mode 100644
index 000000000000..543a1f2bf6bd
--- /dev/null
+++ b/drivers/net/ethernet/microchip/lan969x/lan969x_vcap_impl.c
@@ -0,0 +1,85 @@
+// SPDX-License-Identifier: GPL-2.0+
+
+#include "vcap_api.h"
+#include "lan969x.h"
+
+const struct sparx5_vcap_inst lan969x_vcap_inst_cfg[] = {
+ {
+ .vtype = VCAP_TYPE_IS0, /* CLM-0 */
+ .vinst = 0,
+ .map_id = 1,
+ .lookups = SPARX5_IS0_LOOKUPS,
+ .lookups_per_instance = SPARX5_IS0_LOOKUPS / 3,
+ .first_cid = SPARX5_VCAP_CID_IS0_L0,
+ .last_cid = SPARX5_VCAP_CID_IS0_L2 - 1,
+ .blockno = 2,
+ .blocks = 1,
+ .ingress = true,
+ },
+ {
+ .vtype = VCAP_TYPE_IS0, /* CLM-1 */
+ .vinst = 1,
+ .map_id = 2,
+ .lookups = SPARX5_IS0_LOOKUPS,
+ .lookups_per_instance = SPARX5_IS0_LOOKUPS / 3,
+ .first_cid = SPARX5_VCAP_CID_IS0_L2,
+ .last_cid = SPARX5_VCAP_CID_IS0_L4 - 1,
+ .blockno = 3,
+ .blocks = 1,
+ .ingress = true,
+ },
+ {
+ .vtype = VCAP_TYPE_IS0, /* CLM-2 */
+ .vinst = 2,
+ .map_id = 3,
+ .lookups = SPARX5_IS0_LOOKUPS,
+ .lookups_per_instance = SPARX5_IS0_LOOKUPS / 3,
+ .first_cid = SPARX5_VCAP_CID_IS0_L4,
+ .last_cid = SPARX5_VCAP_CID_IS0_MAX,
+ .blockno = 4,
+ .blocks = 1,
+ .ingress = true,
+ },
+ {
+ .vtype = VCAP_TYPE_IS2, /* IS2-0 */
+ .vinst = 0,
+ .map_id = 4,
+ .lookups = SPARX5_IS2_LOOKUPS,
+ .lookups_per_instance = SPARX5_IS2_LOOKUPS / 2,
+ .first_cid = SPARX5_VCAP_CID_IS2_L0,
+ .last_cid = SPARX5_VCAP_CID_IS2_L2 - 1,
+ .blockno = 0,
+ .blocks = 1,
+ .ingress = true,
+ },
+ {
+ .vtype = VCAP_TYPE_IS2, /* IS2-1 */
+ .vinst = 1,
+ .map_id = 5,
+ .lookups = SPARX5_IS2_LOOKUPS,
+ .lookups_per_instance = SPARX5_IS2_LOOKUPS / 2,
+ .first_cid = SPARX5_VCAP_CID_IS2_L2,
+ .last_cid = SPARX5_VCAP_CID_IS2_MAX,
+ .blockno = 1,
+ .blocks = 1,
+ .ingress = true,
+ },
+ {
+ .vtype = VCAP_TYPE_ES0,
+ .lookups = SPARX5_ES0_LOOKUPS,
+ .lookups_per_instance = SPARX5_ES0_LOOKUPS,
+ .first_cid = SPARX5_VCAP_CID_ES0_L0,
+ .last_cid = SPARX5_VCAP_CID_ES0_MAX,
+ .count = 1536,
+ .ingress = false,
+ },
+ {
+ .vtype = VCAP_TYPE_ES2,
+ .lookups = SPARX5_ES2_LOOKUPS,
+ .lookups_per_instance = SPARX5_ES2_LOOKUPS,
+ .first_cid = SPARX5_VCAP_CID_ES2_L0,
+ .last_cid = SPARX5_VCAP_CID_ES2_MAX,
+ .count = 1024,
+ .ingress = false,
+ },
+};
--
2.34.1
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