From: Pieter Jansen van Vuuren <pieter.jansenvanvuu...@netronome.com>
Introduce matchall filter offload infrastructure that is needed to
offload qos features like policing. Subsequent patches will make
use of police-filters for ingress rate limiting.
Signed-off-by: Pieter Jansen van Vuuren <pieter.jansenvanvuu...@netronome.com>
Reviewed-by: Jakub Kicinski <jakub.kicin...@netronome.com>
---
drivers/net/ethernet/netronome/nfp/Makefile | 3 ++-
.../net/ethernet/netronome/nfp/flower/main.h | 3 +++
.../ethernet/netronome/nfp/flower/offload.c | 3 +++
.../ethernet/netronome/nfp/flower/qos_conf.c | 21 +++++++++++++++++++
4 files changed, 29 insertions(+), 1 deletion(-)
create mode 100644 drivers/net/ethernet/netronome/nfp/flower/qos_conf.c
diff --git a/drivers/net/ethernet/netronome/nfp/Makefile
b/drivers/net/ethernet/netronome/nfp/Makefile
index 0673f3aa2c8d..87bf784f8e8f 100644
--- a/drivers/net/ethernet/netronome/nfp/Makefile
+++ b/drivers/net/ethernet/netronome/nfp/Makefile
@@ -43,7 +43,8 @@ nfp-objs += \
flower/match.o \
flower/metadata.o \
flower/offload.o \
- flower/tunnel_conf.o
+ flower/tunnel_conf.o \
+ flower/qos_conf.o
endif
ifeq ($(CONFIG_BPF_SYSCALL),y)
diff --git a/drivers/net/ethernet/netronome/nfp/flower/main.h
b/drivers/net/ethernet/netronome/nfp/flower/main.h
index 675f43f06526..16f0b8dcd8e1 100644
--- a/drivers/net/ethernet/netronome/nfp/flower/main.h
+++ b/drivers/net/ethernet/netronome/nfp/flower/main.h
@@ -39,6 +39,7 @@ struct nfp_app;
#define NFP_FL_NBI_MTU_SETTING BIT(1)
#define NFP_FL_FEATS_GENEVE_OPT BIT(2)
#define NFP_FL_FEATS_VLAN_PCP BIT(3)
+#define NFP_FL_FEATS_VF_RLIM BIT(4)
#define NFP_FL_FEATS_FLOW_MOD BIT(5)
#define NFP_FL_FEATS_FLOW_MERGE BIT(30)
#define NFP_FL_FEATS_LAG BIT(31)
@@ -366,6 +367,8 @@ int nfp_flower_lag_populate_pre_action(struct nfp_app *app,
struct nfp_fl_pre_lag *pre_act);
int nfp_flower_lag_get_output_id(struct nfp_app *app,
struct net_device *master);
+int nfp_flower_setup_qos_offload(struct nfp_app *app, struct net_device
*netdev,
+ struct tc_cls_matchall_offload *flow);
int nfp_flower_reg_indir_block_handler(struct nfp_app *app,
struct net_device *netdev,
unsigned long event);
diff --git a/drivers/net/ethernet/netronome/nfp/flower/offload.c
b/drivers/net/ethernet/netronome/nfp/flower/offload.c
index aefe211da82c..9c6bcc6e9d68 100644
--- a/drivers/net/ethernet/netronome/nfp/flower/offload.c
+++ b/drivers/net/ethernet/netronome/nfp/flower/offload.c
@@ -1185,6 +1185,9 @@ static int nfp_flower_setup_tc_block_cb(enum
tc_setup_type type,
case TC_SETUP_CLSFLOWER:
return nfp_flower_repr_offload(repr->app, repr->netdev,
type_data);
+ case TC_SETUP_CLSMATCHALL:
+ return nfp_flower_setup_qos_offload(repr->app, repr->netdev,
+ type_data);
default:
return -EOPNOTSUPP;
}
diff --git a/drivers/net/ethernet/netronome/nfp/flower/qos_conf.c
b/drivers/net/ethernet/netronome/nfp/flower/qos_conf.c
new file mode 100644
index 000000000000..82422afa9f8b
--- /dev/null
+++ b/drivers/net/ethernet/netronome/nfp/flower/qos_conf.c
@@ -0,0 +1,21 @@
+// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+/* Copyright (C) 2019 Netronome Systems, Inc. */
+
+#include <net/pkt_cls.h>
+
+#include "cmsg.h"
+#include "main.h"
+
+int nfp_flower_setup_qos_offload(struct nfp_app *app, struct net_device
*netdev,
+ struct tc_cls_matchall_offload *flow)
+{
+ struct netlink_ext_ack *extack = flow->common.extack;
+ struct nfp_flower_priv *fl_priv = app->priv;
+
+ if (!(fl_priv->flower_ext_feats & NFP_FL_FEATS_VF_RLIM)) {
+ NL_SET_ERR_MSG_MOD(extack, "unsupported offload: loaded
firmware does not support qos rate limit offload");
+ return -EOPNOTSUPP;
+ }
+
+ return -EOPNOTSUPP;
+}
--
2.21.0
