cxgb4: add tc flower offload skeleton (6a345b3d) · Commits · EulixOS / Software / Kernel

drivers/net/ethernet/chelsio/cxgb4/Makefile

+3 −1

Original line number	Diff line number	Diff line
		@@ -4,7 +4,9 @@

		obj-$(CONFIG_CHELSIO_T4) += cxgb4.o

		cxgb4-objs := cxgb4_main.o l2t.o t4_hw.o sge.o clip_tbl.o cxgb4_ethtool.o cxgb4_uld.o sched.o cxgb4_filter.o cxgb4_tc_u32.o cxgb4_ptp.o
		cxgb4-objs := cxgb4_main.o l2t.o t4_hw.o sge.o clip_tbl.o cxgb4_ethtool.o \
		cxgb4_uld.o sched.o cxgb4_filter.o cxgb4_tc_u32.o \
		cxgb4_ptp.o cxgb4_tc_flower.o
		cxgb4-$(CONFIG_CHELSIO_T4_DCB) += cxgb4_dcb.o
		cxgb4-$(CONFIG_CHELSIO_T4_FCOE) += cxgb4_fcoe.o
		cxgb4-$(CONFIG_DEBUG_FS) += cxgb4_debugfs.o

drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c

+22 −0

Original line number	Diff line number	Diff line
		@@ -79,6 +79,7 @@
		#include "l2t.h"
		#include "sched.h"
		#include "cxgb4_tc_u32.h"
		#include "cxgb4_tc_flower.h"
		#include "cxgb4_ptp.h"

		char cxgb4_driver_name[] = KBUILD_MODNAME;
		@@ -2873,6 +2874,25 @@ static int cxgb_set_tx_maxrate(struct net_device *dev, int index, u32 rate)
		return err;
		}

		static int cxgb_setup_tc_flower(struct net_device *dev,
		struct tc_cls_flower_offload *cls_flower)
		{
		if (!is_classid_clsact_ingress(cls_flower->common.classid) \|\|
		cls_flower->common.chain_index)
		return -EOPNOTSUPP;

		switch (cls_flower->command) {
		case TC_CLSFLOWER_REPLACE:
		return cxgb4_tc_flower_replace(dev, cls_flower);
		case TC_CLSFLOWER_DESTROY:
		return cxgb4_tc_flower_destroy(dev, cls_flower);
		case TC_CLSFLOWER_STATS:
		return cxgb4_tc_flower_stats(dev, cls_flower);
		default:
		return -EOPNOTSUPP;
		}
		}

		static int cxgb_setup_tc_cls_u32(struct net_device *dev,
		struct tc_cls_u32_offload *cls_u32)
		{
		@@ -2907,6 +2927,8 @@ static int cxgb_setup_tc(struct net_device *dev, enum tc_setup_type type,
		switch (type) {
		case TC_SETUP_CLSU32:
		return cxgb_setup_tc_cls_u32(dev, type_data);
		case TC_SETUP_CLSFLOWER:
		return cxgb_setup_tc_flower(dev, type_data);
		default:
		return -EOPNOTSUPP;
		}

drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_flower.c

0 → 100644

+57 −0

Original line number	Diff line number	Diff line
		/*
		* This file is part of the Chelsio T4/T5/T6 Ethernet driver for Linux.
		*
		* Copyright (c) 2017 Chelsio Communications, Inc. All rights reserved.
		*
		* This software is available to you under a choice of one of two
		* licenses. You may choose to be licensed under the terms of the GNU
		* General Public License (GPL) Version 2, available from the file
		* COPYING in the main directory of this source tree, or the
		* OpenIB.org BSD license below:
		*
		* Redistribution and use in source and binary forms, with or
		* without modification, are permitted provided that the following
		* conditions are met:
		*
		* - Redistributions of source code must retain the above
		* copyright notice, this list of conditions and the following
		* disclaimer.
		*
		* - Redistributions in binary form must reproduce the above
		* copyright notice, this list of conditions and the following
		* disclaimer in the documentation and/or other materials
		* provided with the distribution.
		*
		* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
		* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
		* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
		* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
		* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
		* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
		* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
		* SOFTWARE.
		*/

		#include <net/tc_act/tc_gact.h>
		#include <net/tc_act/tc_mirred.h>

		#include "cxgb4.h"
		#include "cxgb4_tc_flower.h"

		int cxgb4_tc_flower_replace(struct net_device *dev,
		struct tc_cls_flower_offload *cls)
		{
		return -EOPNOTSUPP;
		}

		int cxgb4_tc_flower_destroy(struct net_device *dev,
		struct tc_cls_flower_offload *cls)
		{
		return -EOPNOTSUPP;
		}

		int cxgb4_tc_flower_stats(struct net_device *dev,
		struct tc_cls_flower_offload *cls)
		{
		return -EOPNOTSUPP;
		}

drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_flower.h

0 → 100644

+46 −0

Original line number	Diff line number	Diff line
		/*
		* This file is part of the Chelsio T4/T5/T6 Ethernet driver for Linux.
		*
		* Copyright (c) 2017 Chelsio Communications, Inc. All rights reserved.
		*
		* This software is available to you under a choice of one of two
		* licenses. You may choose to be licensed under the terms of the GNU
		* General Public License (GPL) Version 2, available from the file
		* COPYING in the main directory of this source tree, or the
		* OpenIB.org BSD license below:
		*
		* Redistribution and use in source and binary forms, with or
		* without modification, are permitted provided that the following
		* conditions are met:
		*
		* - Redistributions of source code must retain the above
		* copyright notice, this list of conditions and the following
		* disclaimer.
		*
		* - Redistributions in binary form must reproduce the above
		* copyright notice, this list of conditions and the following
		* disclaimer in the documentation and/or other materials
		* provided with the distribution.
		*
		* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
		* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
		* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
		* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
		* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
		* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
		* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
		* SOFTWARE.
		*/

		#ifndef __CXGB4_TC_FLOWER_H
		#define __CXGB4_TC_FLOWER_H

		#include <net/pkt_cls.h>

		int cxgb4_tc_flower_replace(struct net_device *dev,
		struct tc_cls_flower_offload *cls);
		int cxgb4_tc_flower_destroy(struct net_device *dev,
		struct tc_cls_flower_offload *cls);
		int cxgb4_tc_flower_stats(struct net_device *dev,
		struct tc_cls_flower_offload *cls);
		#endif /* __CXGB4_TC_FLOWER_H */