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nfp: flower: add qos offload framework

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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.jansenvanvuuren@netronome.com>
Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Pieter Jansen van Vuuren 2019-05-04 04:46:26 -07:00 committed by David S. Miller
parent 88c44a5200
commit b66d035eec
4 changed files with 29 additions and 1 deletions
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3
drivers/net/ethernet/netronome/nfp/Makefile
View File

@ -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)

3
drivers/net/ethernet/netronome/nfp/flower/main.h
View File

@ -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);

3
drivers/net/ethernet/netronome/nfp/flower/offload.c
View File

@ -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;
}

21
drivers/net/ethernet/netronome/nfp/flower/qos_conf.c Normal file
View File

@ -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;
}