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Commit b66d035e authored by Pieter Jansen van Vuuren's avatar Pieter Jansen van Vuuren Committed by David S. Miller
Browse files

nfp: flower: add qos offload framework 



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: default avatarPieter Jansen van Vuuren <pieter.jansenvanvuuren@netronome.com>
Reviewed-by: default avatarJakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 88c44a52

drivers/net/ethernet/netronome/nfp/Makefile

+2 −1
Original line number Diff line number Diff line
@@ -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)

drivers/net/ethernet/netronome/nfp/flower/main.h

+3 −0
Original line number Diff line number Diff line
@@ -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);

drivers/net/ethernet/netronome/nfp/flower/offload.c

+3 −0
Original line number Diff line number Diff line
@@ -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;

	}

drivers/net/ethernet/netronome/nfp/flower/qos_conf.c

0 → 100644
+21 −0
Original line number Diff line number Diff line 
// 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;

}