From 6a345b3dbd1ed83a7877993c6e23c977a84bb483 Mon Sep 17 00:00:00 2001 From: Kumar Sanghvi Date: Thu, 21 Sep 2017 23:41:13 +0530 Subject: [PATCH] cxgb4: add tc flower offload skeleton Add basic skeleton to prepare for offloading tc-flower flows. Signed-off-by: Kumar Sanghvi Signed-off-by: Rahul Lakkireddy Signed-off-by: Ganesh Goudar Signed-off-by: David S. Miller --- drivers/net/ethernet/chelsio/cxgb4/Makefile | 4 +- drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c | 22 +++++++++ .../net/ethernet/chelsio/cxgb4/cxgb4_tc_flower.c | 57 ++++++++++++++++++++++ .../net/ethernet/chelsio/cxgb4/cxgb4_tc_flower.h | 46 +++++++++++++++++ 4 files changed, 128 insertions(+), 1 deletion(-) create mode 100644 drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_flower.c create mode 100644 drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_flower.h diff --git a/drivers/net/ethernet/chelsio/cxgb4/Makefile b/drivers/net/ethernet/chelsio/cxgb4/Makefile index 817212702f0a..fecd7aab673b 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/Makefile +++ b/drivers/net/ethernet/chelsio/cxgb4/Makefile @@ -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 diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c index 5fe81a4e26a6..5079246aaf2c 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c @@ -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; } diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_flower.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_flower.c new file mode 100644 index 000000000000..16dff71e4d02 --- /dev/null +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_flower.c @@ -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 +#include + +#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; +} diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_flower.h b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_flower.h new file mode 100644 index 000000000000..b321fc205b5a --- /dev/null +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_flower.h @@ -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 + +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 */ -- 2.11.0