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Date: Thu, 24 Aug 2017 08:40:06 +0200
From: Jiri Pirko <jiri@...nulli.us>
To: netdev@...r.kernel.org
Cc: davem@...emloft.net, arkadis@...lanox.com, idosch@...lanox.com,
mlxsw@...lanox.com
Subject: [patch net-next 08/12] mlxsw: spectrum_dpipe: Add IPv4 host table initial support
From: Arkadi Sharshevsky <arkadis@...lanox.com>
Add IPv4 host table initial support.
Signed-off-by: Arkadi Sharshevsky <arkadis@...lanox.com>
Signed-off-by: Jiri Pirko <jiri@...lanox.com>
---
.../net/ethernet/mellanox/mlxsw/spectrum_dpipe.c | 102 +++++++++++++++++++++
.../net/ethernet/mellanox/mlxsw/spectrum_dpipe.h | 1 +
2 files changed, 103 insertions(+)
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_dpipe.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_dpipe.c
index 6310c2c..9c2b25a 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_dpipe.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_dpipe.c
@@ -74,6 +74,8 @@ static struct devlink_dpipe_header mlxsw_sp_dpipe_header_metadata = {
static struct devlink_dpipe_header *mlxsw_dpipe_headers[] = {
&mlxsw_sp_dpipe_header_metadata,
+ &devlink_dpipe_header_ethernet,
+ &devlink_dpipe_header_ipv4,
};
static struct devlink_dpipe_headers mlxsw_sp_dpipe_headers = {
@@ -313,6 +315,99 @@ static void mlxsw_sp_dpipe_erif_table_fini(struct mlxsw_sp *mlxsw_sp)
devlink_dpipe_table_unregister(devlink, MLXSW_SP_DPIPE_TABLE_NAME_ERIF);
}
+static int mlxsw_sp_dpipe_table_host_matches_dump(struct sk_buff *skb, int type)
+{
+ struct devlink_dpipe_match match = {0};
+ int err;
+
+ match.type = DEVLINK_DPIPE_MATCH_TYPE_FIELD_EXACT;
+ match.header = &mlxsw_sp_dpipe_header_metadata;
+ match.field_id = MLXSW_SP_DPIPE_FIELD_METADATA_ERIF_PORT;
+
+ err = devlink_dpipe_match_put(skb, &match);
+ if (err)
+ return err;
+
+ match.type = DEVLINK_DPIPE_MATCH_TYPE_FIELD_EXACT;
+ match.header = &devlink_dpipe_header_ipv4;
+ match.field_id = DEVLINK_DPIPE_FIELD_IPV4_DST_IP;
+
+ return devlink_dpipe_match_put(skb, &match);
+}
+
+static int
+mlxsw_sp_dpipe_table_host4_matches_dump(void *priv, struct sk_buff *skb)
+{
+ return mlxsw_sp_dpipe_table_host_matches_dump(skb, AF_INET);
+}
+
+static int
+mlxsw_sp_dpipe_table_host4_actions_dump(void *priv, struct sk_buff *skb)
+{
+ struct devlink_dpipe_action action = {0};
+
+ action.type = DEVLINK_DPIPE_ACTION_TYPE_FIELD_MODIFY;
+ action.header = &devlink_dpipe_header_ethernet;
+ action.field_id = DEVLINK_DPIPE_FIELD_ETHERNET_DST_MAC;
+
+ return devlink_dpipe_action_put(skb, &action);
+}
+
+static u64
+mlxsw_sp_dpipe_table_host_size_get(struct mlxsw_sp *mlxsw_sp, int type)
+{
+ u64 size = 0;
+ int i;
+
+ rtnl_lock();
+ for (i = 0; i < MLXSW_CORE_RES_GET(mlxsw_sp->core, MAX_RIFS); i++) {
+ struct mlxsw_sp_rif *rif = mlxsw_sp_rif_by_index(mlxsw_sp, i);
+ struct mlxsw_sp_neigh_entry *neigh_entry;
+
+ if (!rif)
+ continue;
+ mlxsw_sp_rif_neigh_for_each(neigh_entry, rif) {
+ if (mlxsw_sp_neigh_entry_type(neigh_entry) != type)
+ continue;
+ size++;
+ }
+ }
+ rtnl_unlock();
+
+ return size;
+}
+
+static u64 mlxsw_sp_dpipe_table_host4_size_get(void *priv)
+{
+ struct mlxsw_sp *mlxsw_sp = priv;
+
+ return mlxsw_sp_dpipe_table_host_size_get(mlxsw_sp, AF_INET);
+}
+
+static struct devlink_dpipe_table_ops mlxsw_sp_host4_ops = {
+ .matches_dump = mlxsw_sp_dpipe_table_host4_matches_dump,
+ .actions_dump = mlxsw_sp_dpipe_table_host4_actions_dump,
+ .size_get = mlxsw_sp_dpipe_table_host4_size_get,
+};
+
+static int mlxsw_sp_dpipe_host4_table_init(struct mlxsw_sp *mlxsw_sp)
+{
+ struct devlink *devlink = priv_to_devlink(mlxsw_sp->core);
+
+ return devlink_dpipe_table_register(devlink,
+ MLXSW_SP_DPIPE_TABLE_NAME_HOST4,
+ &mlxsw_sp_host4_ops,
+ mlxsw_sp, false);
+}
+
+static void mlxsw_sp_dpipe_host4_table_fini(struct mlxsw_sp *mlxsw_sp)
+{
+ struct devlink *devlink = priv_to_devlink(mlxsw_sp->core);
+
+ devlink_dpipe_table_unregister(devlink,
+ MLXSW_SP_DPIPE_TABLE_NAME_HOST4);
+}
+
int mlxsw_sp_dpipe_init(struct mlxsw_sp *mlxsw_sp)
{
struct devlink *devlink = priv_to_devlink(mlxsw_sp->core);
@@ -325,8 +420,14 @@ int mlxsw_sp_dpipe_init(struct mlxsw_sp *mlxsw_sp)
err = mlxsw_sp_dpipe_erif_table_init(mlxsw_sp);
if (err)
goto err_erif_table_init;
+
+ err = mlxsw_sp_dpipe_host4_table_init(mlxsw_sp);
+ if (err)
+ goto err_host4_table_init;
return 0;
+err_host4_table_init:
+ mlxsw_sp_dpipe_erif_table_fini(mlxsw_sp);
err_erif_table_init:
devlink_dpipe_headers_unregister(priv_to_devlink(mlxsw_sp->core));
return err;
@@ -336,6 +437,7 @@ void mlxsw_sp_dpipe_fini(struct mlxsw_sp *mlxsw_sp)
{
struct devlink *devlink = priv_to_devlink(mlxsw_sp->core);
+ mlxsw_sp_dpipe_host4_table_fini(mlxsw_sp);
mlxsw_sp_dpipe_erif_table_fini(mlxsw_sp);
devlink_dpipe_headers_unregister(devlink);
}
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_dpipe.h b/drivers/net/ethernet/mellanox/mlxsw/spectrum_dpipe.h
index d208929..7785f9e 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_dpipe.h
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_dpipe.h
@@ -39,5 +39,6 @@ int mlxsw_sp_dpipe_init(struct mlxsw_sp *mlxsw_sp);
void mlxsw_sp_dpipe_fini(struct mlxsw_sp *mlxsw_sp);
#define MLXSW_SP_DPIPE_TABLE_NAME_ERIF "mlxsw_erif"
+#define MLXSW_SP_DPIPE_TABLE_NAME_HOST4 "mlxsw_host4"
#endif /* _MLXSW_PIPELINE_H_*/
--
2.9.3
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