hollalinux
/
linux-sg2042
mirror of https://github.com/sophgo/linux-riscv.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

cxgb4: add tc flower offload skeleton 

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

Signed-off-by: Kumar Sanghvi <kumaras@chelsio.com>
Signed-off-by: Rahul Lakkireddy <rahul.lakkireddy@chelsio.com>
Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Kumar Sanghvi 2017-09-21 23:41:13 +05:30 committed by David S. Miller
parent 52a59bd509
commit 6a345b3dbd
4 changed files with 128 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/net/ethernet/chelsio/cxgb4/Makefile
View File

@ -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
drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
View File

@ -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
drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_flower.c Normal file
View File

@ -0,0 +1,57 @@
/*
* 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
drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_flower.h Normal file
View File

@ -0,0 +1,46 @@
/*
* 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 */