Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

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

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 */