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Message-Id: <20200511135338.20263-13-olteanv@gmail.com>
Date: Mon, 11 May 2020 16:53:35 +0300
From: Vladimir Oltean <olteanv@...il.com>
To: andrew@...n.ch, f.fainelli@...il.com, vivien.didelot@...il.com
Cc: davem@...emloft.net, kuba@...nel.org, jiri@...lanox.com,
idosch@...sch.org, rmk+kernel@...linux.org.uk,
netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH v2 net-next 12/15] net: dsa: sja1105: add packing ops for the Retagging Table
From: Vladimir Oltean <vladimir.oltean@....com>
The Retagging Table is an optional feature that allows the switch to
match frames against a {ingress port, egress port, vid} rule and change
their VLAN ID. The retagged frames are by default clones of the original
ones (since the hardware-foreseen use case was to mirror traffic for
debugging purposes and to tag it with a special VLAN for this purpose),
but we can force the original frames to be dropped by removing the
pre-retagging VLAN from the port membership list of the egress port.
Signed-off-by: Vladimir Oltean <vladimir.oltean@....com>
---
Changes in v2:
None.
drivers/net/dsa/sja1105/sja1105.h | 2 +
.../net/dsa/sja1105/sja1105_dynamic_config.c | 33 ++++++++++
.../net/dsa/sja1105/sja1105_static_config.c | 62 ++++++++++++++++++-
.../net/dsa/sja1105/sja1105_static_config.h | 15 +++++
4 files changed, 110 insertions(+), 2 deletions(-)
diff --git a/drivers/net/dsa/sja1105/sja1105.h b/drivers/net/dsa/sja1105/sja1105.h
index 1dcaecab0912..1ecdfd6be4c2 100644
--- a/drivers/net/dsa/sja1105/sja1105.h
+++ b/drivers/net/dsa/sja1105/sja1105.h
@@ -328,6 +328,8 @@ size_t sja1105et_l2_lookup_entry_packing(void *buf, void *entry_ptr,
enum packing_op op);
size_t sja1105_vlan_lookup_entry_packing(void *buf, void *entry_ptr,
enum packing_op op);
+size_t sja1105_retagging_entry_packing(void *buf, void *entry_ptr,
+ enum packing_op op);
size_t sja1105pqrs_mac_config_entry_packing(void *buf, void *entry_ptr,
enum packing_op op);
size_t sja1105pqrs_avb_params_entry_packing(void *buf, void *entry_ptr,
diff --git a/drivers/net/dsa/sja1105/sja1105_dynamic_config.c b/drivers/net/dsa/sja1105/sja1105_dynamic_config.c
index bdee01811960..2a8fbd7fdedc 100644
--- a/drivers/net/dsa/sja1105/sja1105_dynamic_config.c
+++ b/drivers/net/dsa/sja1105/sja1105_dynamic_config.c
@@ -133,6 +133,9 @@
#define SJA1105PQRS_SIZE_AVB_PARAMS_DYN_CMD \
(SJA1105_SIZE_DYN_CMD + SJA1105PQRS_SIZE_AVB_PARAMS_ENTRY)
+#define SJA1105_SIZE_RETAGGING_DYN_CMD \
+ (SJA1105_SIZE_DYN_CMD + SJA1105_SIZE_RETAGGING_ENTRY)
+
#define SJA1105_MAX_DYN_CMD_SIZE \
SJA1105PQRS_SIZE_MAC_CONFIG_DYN_CMD
@@ -525,6 +528,20 @@ sja1105pqrs_avb_params_cmd_packing(void *buf, struct sja1105_dyn_cmd *cmd,
sja1105_packing(p, &cmd->rdwrset, 29, 29, size, op);
}
+static void
+sja1105_retagging_cmd_packing(void *buf, struct sja1105_dyn_cmd *cmd,
+ enum packing_op op)
+{
+ u8 *p = buf + SJA1105_SIZE_RETAGGING_ENTRY;
+ const int size = SJA1105_SIZE_DYN_CMD;
+
+ sja1105_packing(p, &cmd->valid, 31, 31, size, op);
+ sja1105_packing(p, &cmd->errors, 30, 30, size, op);
+ sja1105_packing(p, &cmd->valident, 29, 29, size, op);
+ sja1105_packing(p, &cmd->rdwrset, 28, 28, size, op);
+ sja1105_packing(p, &cmd->index, 5, 0, size, op);
+}
+
#define OP_READ BIT(0)
#define OP_WRITE BIT(1)
#define OP_DEL BIT(2)
@@ -606,6 +623,14 @@ struct sja1105_dynamic_table_ops sja1105et_dyn_ops[BLK_IDX_MAX_DYN] = {
.packed_size = SJA1105ET_SIZE_GENERAL_PARAMS_DYN_CMD,
.addr = 0x34,
},
+ [BLK_IDX_RETAGGING] = {
+ .entry_packing = sja1105_retagging_entry_packing,
+ .cmd_packing = sja1105_retagging_cmd_packing,
+ .max_entry_count = SJA1105_MAX_RETAGGING_COUNT,
+ .access = (OP_WRITE | OP_DEL),
+ .packed_size = SJA1105_SIZE_RETAGGING_DYN_CMD,
+ .addr = 0x31,
+ },
[BLK_IDX_XMII_PARAMS] = {0},
};
@@ -692,6 +717,14 @@ struct sja1105_dynamic_table_ops sja1105pqrs_dyn_ops[BLK_IDX_MAX_DYN] = {
.packed_size = SJA1105ET_SIZE_GENERAL_PARAMS_DYN_CMD,
.addr = 0x34,
},
+ [BLK_IDX_RETAGGING] = {
+ .entry_packing = sja1105_retagging_entry_packing,
+ .cmd_packing = sja1105_retagging_cmd_packing,
+ .max_entry_count = SJA1105_MAX_RETAGGING_COUNT,
+ .access = (OP_READ | OP_WRITE | OP_DEL),
+ .packed_size = SJA1105_SIZE_RETAGGING_DYN_CMD,
+ .addr = 0x38,
+ },
[BLK_IDX_XMII_PARAMS] = {0},
};
diff --git a/drivers/net/dsa/sja1105/sja1105_static_config.c b/drivers/net/dsa/sja1105/sja1105_static_config.c
index b68c9c92c248..780aca034cdc 100644
--- a/drivers/net/dsa/sja1105/sja1105_static_config.c
+++ b/drivers/net/dsa/sja1105/sja1105_static_config.c
@@ -541,6 +541,22 @@ static size_t sja1105_xmii_params_entry_packing(void *buf, void *entry_ptr,
return size;
}
+size_t sja1105_retagging_entry_packing(void *buf, void *entry_ptr,
+ enum packing_op op)
+{
+ struct sja1105_retagging_entry *entry = entry_ptr;
+ const size_t size = SJA1105_SIZE_RETAGGING_ENTRY;
+
+ sja1105_packing(buf, &entry->egr_port, 63, 59, size, op);
+ sja1105_packing(buf, &entry->ing_port, 58, 54, size, op);
+ sja1105_packing(buf, &entry->vlan_ing, 53, 42, size, op);
+ sja1105_packing(buf, &entry->vlan_egr, 41, 30, size, op);
+ sja1105_packing(buf, &entry->do_not_learn, 29, 29, size, op);
+ sja1105_packing(buf, &entry->use_dest_ports, 28, 28, size, op);
+ sja1105_packing(buf, &entry->destports, 27, 23, size, op);
+ return size;
+}
+
size_t sja1105_table_header_packing(void *buf, void *entry_ptr,
enum packing_op op)
{
@@ -603,6 +619,7 @@ static u64 blk_id_map[BLK_IDX_MAX] = {
[BLK_IDX_L2_FORWARDING_PARAMS] = BLKID_L2_FORWARDING_PARAMS,
[BLK_IDX_AVB_PARAMS] = BLKID_AVB_PARAMS,
[BLK_IDX_GENERAL_PARAMS] = BLKID_GENERAL_PARAMS,
+ [BLK_IDX_RETAGGING] = BLKID_RETAGGING,
[BLK_IDX_XMII_PARAMS] = BLKID_XMII_PARAMS,
};
@@ -646,7 +663,7 @@ static_config_check_memory_size(const struct sja1105_table *tables)
{
const struct sja1105_l2_forwarding_params_entry *l2_fwd_params;
const struct sja1105_vl_forwarding_params_entry *vl_fwd_params;
- int i, mem = 0;
+ int i, max_mem, mem = 0;
l2_fwd_params = tables[BLK_IDX_L2_FORWARDING_PARAMS].entries;
@@ -659,7 +676,12 @@ static_config_check_memory_size(const struct sja1105_table *tables)
mem += vl_fwd_params->partspc[i];
}
- if (mem > SJA1105_MAX_FRAME_MEMORY)
+ if (tables[BLK_IDX_RETAGGING].entry_count)
+ max_mem = SJA1105_MAX_FRAME_MEMORY_RETAGGING;
+ else
+ max_mem = SJA1105_MAX_FRAME_MEMORY;
+
+ if (mem > max_mem)
return SJA1105_OVERCOMMITTED_FRAME_MEMORY;
return SJA1105_CONFIG_OK;
@@ -881,6 +903,12 @@ struct sja1105_table_ops sja1105e_table_ops[BLK_IDX_MAX] = {
.packed_entry_size = SJA1105ET_SIZE_GENERAL_PARAMS_ENTRY,
.max_entry_count = SJA1105_MAX_GENERAL_PARAMS_COUNT,
},
+ [BLK_IDX_RETAGGING] = {
+ .packing = sja1105_retagging_entry_packing,
+ .unpacked_entry_size = sizeof(struct sja1105_retagging_entry),
+ .packed_entry_size = SJA1105_SIZE_RETAGGING_ENTRY,
+ .max_entry_count = SJA1105_MAX_RETAGGING_COUNT,
+ },
[BLK_IDX_XMII_PARAMS] = {
.packing = sja1105_xmii_params_entry_packing,
.unpacked_entry_size = sizeof(struct sja1105_xmii_params_entry),
@@ -993,6 +1021,12 @@ struct sja1105_table_ops sja1105t_table_ops[BLK_IDX_MAX] = {
.packed_entry_size = SJA1105ET_SIZE_GENERAL_PARAMS_ENTRY,
.max_entry_count = SJA1105_MAX_GENERAL_PARAMS_COUNT,
},
+ [BLK_IDX_RETAGGING] = {
+ .packing = sja1105_retagging_entry_packing,
+ .unpacked_entry_size = sizeof(struct sja1105_retagging_entry),
+ .packed_entry_size = SJA1105_SIZE_RETAGGING_ENTRY,
+ .max_entry_count = SJA1105_MAX_RETAGGING_COUNT,
+ },
[BLK_IDX_XMII_PARAMS] = {
.packing = sja1105_xmii_params_entry_packing,
.unpacked_entry_size = sizeof(struct sja1105_xmii_params_entry),
@@ -1065,6 +1099,12 @@ struct sja1105_table_ops sja1105p_table_ops[BLK_IDX_MAX] = {
.packed_entry_size = SJA1105PQRS_SIZE_GENERAL_PARAMS_ENTRY,
.max_entry_count = SJA1105_MAX_GENERAL_PARAMS_COUNT,
},
+ [BLK_IDX_RETAGGING] = {
+ .packing = sja1105_retagging_entry_packing,
+ .unpacked_entry_size = sizeof(struct sja1105_retagging_entry),
+ .packed_entry_size = SJA1105_SIZE_RETAGGING_ENTRY,
+ .max_entry_count = SJA1105_MAX_RETAGGING_COUNT,
+ },
[BLK_IDX_XMII_PARAMS] = {
.packing = sja1105_xmii_params_entry_packing,
.unpacked_entry_size = sizeof(struct sja1105_xmii_params_entry),
@@ -1177,6 +1217,12 @@ struct sja1105_table_ops sja1105q_table_ops[BLK_IDX_MAX] = {
.packed_entry_size = SJA1105PQRS_SIZE_GENERAL_PARAMS_ENTRY,
.max_entry_count = SJA1105_MAX_GENERAL_PARAMS_COUNT,
},
+ [BLK_IDX_RETAGGING] = {
+ .packing = sja1105_retagging_entry_packing,
+ .unpacked_entry_size = sizeof(struct sja1105_retagging_entry),
+ .packed_entry_size = SJA1105_SIZE_RETAGGING_ENTRY,
+ .max_entry_count = SJA1105_MAX_RETAGGING_COUNT,
+ },
[BLK_IDX_XMII_PARAMS] = {
.packing = sja1105_xmii_params_entry_packing,
.unpacked_entry_size = sizeof(struct sja1105_xmii_params_entry),
@@ -1249,6 +1295,12 @@ struct sja1105_table_ops sja1105r_table_ops[BLK_IDX_MAX] = {
.packed_entry_size = SJA1105PQRS_SIZE_GENERAL_PARAMS_ENTRY,
.max_entry_count = SJA1105_MAX_GENERAL_PARAMS_COUNT,
},
+ [BLK_IDX_RETAGGING] = {
+ .packing = sja1105_retagging_entry_packing,
+ .unpacked_entry_size = sizeof(struct sja1105_retagging_entry),
+ .packed_entry_size = SJA1105_SIZE_RETAGGING_ENTRY,
+ .max_entry_count = SJA1105_MAX_RETAGGING_COUNT,
+ },
[BLK_IDX_XMII_PARAMS] = {
.packing = sja1105_xmii_params_entry_packing,
.unpacked_entry_size = sizeof(struct sja1105_xmii_params_entry),
@@ -1361,6 +1413,12 @@ struct sja1105_table_ops sja1105s_table_ops[BLK_IDX_MAX] = {
.packed_entry_size = SJA1105PQRS_SIZE_GENERAL_PARAMS_ENTRY,
.max_entry_count = SJA1105_MAX_GENERAL_PARAMS_COUNT,
},
+ [BLK_IDX_RETAGGING] = {
+ .packing = sja1105_retagging_entry_packing,
+ .unpacked_entry_size = sizeof(struct sja1105_retagging_entry),
+ .packed_entry_size = SJA1105_SIZE_RETAGGING_ENTRY,
+ .max_entry_count = SJA1105_MAX_RETAGGING_COUNT,
+ },
[BLK_IDX_XMII_PARAMS] = {
.packing = sja1105_xmii_params_entry_packing,
.unpacked_entry_size = sizeof(struct sja1105_xmii_params_entry),
diff --git a/drivers/net/dsa/sja1105/sja1105_static_config.h b/drivers/net/dsa/sja1105/sja1105_static_config.h
index b569e3de3590..d96044d86b11 100644
--- a/drivers/net/dsa/sja1105/sja1105_static_config.h
+++ b/drivers/net/dsa/sja1105/sja1105_static_config.h
@@ -20,6 +20,7 @@
#define SJA1105_SIZE_VLAN_LOOKUP_ENTRY 8
#define SJA1105_SIZE_L2_FORWARDING_ENTRY 8
#define SJA1105_SIZE_L2_FORWARDING_PARAMS_ENTRY 12
+#define SJA1105_SIZE_RETAGGING_ENTRY 8
#define SJA1105_SIZE_XMII_PARAMS_ENTRY 4
#define SJA1105_SIZE_SCHEDULE_PARAMS_ENTRY 12
#define SJA1105_SIZE_SCHEDULE_ENTRY_POINTS_PARAMS_ENTRY 4
@@ -54,6 +55,7 @@ enum {
BLKID_L2_FORWARDING_PARAMS = 0x0E,
BLKID_AVB_PARAMS = 0x10,
BLKID_GENERAL_PARAMS = 0x11,
+ BLKID_RETAGGING = 0x12,
BLKID_XMII_PARAMS = 0x4E,
};
@@ -75,6 +77,7 @@ enum sja1105_blk_idx {
BLK_IDX_L2_FORWARDING_PARAMS,
BLK_IDX_AVB_PARAMS,
BLK_IDX_GENERAL_PARAMS,
+ BLK_IDX_RETAGGING,
BLK_IDX_XMII_PARAMS,
BLK_IDX_MAX,
/* Fake block indices that are only valid for dynamic access */
@@ -99,10 +102,12 @@ enum sja1105_blk_idx {
#define SJA1105_MAX_L2_LOOKUP_PARAMS_COUNT 1
#define SJA1105_MAX_L2_FORWARDING_PARAMS_COUNT 1
#define SJA1105_MAX_GENERAL_PARAMS_COUNT 1
+#define SJA1105_MAX_RETAGGING_COUNT 32
#define SJA1105_MAX_XMII_PARAMS_COUNT 1
#define SJA1105_MAX_AVB_PARAMS_COUNT 1
#define SJA1105_MAX_FRAME_MEMORY 929
+#define SJA1105_MAX_FRAME_MEMORY_RETAGGING 910
#define SJA1105E_DEVICE_ID 0x9C00000Cull
#define SJA1105T_DEVICE_ID 0x9E00030Eull
@@ -273,6 +278,16 @@ struct sja1105_mac_config_entry {
u64 ingress;
};
+struct sja1105_retagging_entry {
+ u64 egr_port;
+ u64 ing_port;
+ u64 vlan_ing;
+ u64 vlan_egr;
+ u64 do_not_learn;
+ u64 use_dest_ports;
+ u64 destports;
+};
+
struct sja1105_xmii_params_entry {
u64 phy_mac[5];
u64 xmii_mode[5];
--
2.17.1
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