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Commit 6a345b3d authored by Kumar Sanghvi's avatar Kumar Sanghvi Committed by David S. Miller
Browse files

cxgb4: add tc flower offload skeleton



Add basic skeleton to prepare for offloading tc-flower flows.

Signed-off-by: default avatarKumar Sanghvi <kumaras@chelsio.com>
Signed-off-by: default avatarRahul Lakkireddy <rahul.lakkireddy@chelsio.com>
Signed-off-by: default avatarGanesh Goudar <ganeshgr@chelsio.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 52a59bd5
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+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
+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;
	}
+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;
}
+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 */