1 /* 2 * This file is part of the Chelsio T4/T5/T6 Ethernet driver for Linux. 3 * 4 * Copyright (c) 2017 Chelsio Communications, Inc. All rights reserved. 5 * 6 * This software is available to you under a choice of one of two 7 * licenses. You may choose to be licensed under the terms of the GNU 8 * General Public License (GPL) Version 2, available from the file 9 * COPYING in the main directory of this source tree, or the 10 * OpenIB.org BSD license below: 11 * 12 * Redistribution and use in source and binary forms, with or 13 * without modification, are permitted provided that the following 14 * conditions are met: 15 * 16 * - Redistributions of source code must retain the above 17 * copyright notice, this list of conditions and the following 18 * disclaimer. 19 * 20 * - Redistributions in binary form must reproduce the above 21 * copyright notice, this list of conditions and the following 22 * disclaimer in the documentation and/or other materials 23 * provided with the distribution. 24 * 25 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 26 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 27 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 28 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 29 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 30 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 31 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 32 * SOFTWARE. 33 */ 34 35 #ifndef __CXGB4_TC_FLOWER_H 36 #define __CXGB4_TC_FLOWER_H 37 38 #include <net/pkt_cls.h> 39 40 struct ch_tc_flower_stats { 41 u64 prev_packet_count; 42 u64 packet_count; 43 u64 byte_count; 44 u64 last_used; 45 }; 46 47 struct ch_tc_flower_entry { 48 struct ch_filter_specification fs; 49 struct ch_tc_flower_stats stats; 50 unsigned long tc_flower_cookie; 51 struct hlist_node link; 52 struct rcu_head rcu; 53 spinlock_t lock; /* lock for stats */ 54 u32 filter_id; 55 }; 56 57 int cxgb4_tc_flower_replace(struct net_device *dev, 58 struct tc_cls_flower_offload *cls); 59 int cxgb4_tc_flower_destroy(struct net_device *dev, 60 struct tc_cls_flower_offload *cls); 61 int cxgb4_tc_flower_stats(struct net_device *dev, 62 struct tc_cls_flower_offload *cls); 63 64 void cxgb4_init_tc_flower(struct adapter *adap); 65 void cxgb4_cleanup_tc_flower(struct adapter *adap); 66 #endif /* __CXGB4_TC_FLOWER_H */ 67