1*5113495bSYour Name /* 2*5113495bSYour Name * Copyright (c) 2017 The Linux Foundation. All rights reserved. 3*5113495bSYour Name * Copyright (c) 2023 Qualcomm Innovation Center, Inc. All rights reserved. 4*5113495bSYour Name * 5*5113495bSYour Name * Permission to use, copy, modify, and/or distribute this software for 6*5113495bSYour Name * any purpose with or without fee is hereby granted, provided that the 7*5113495bSYour Name * above copyright notice and this permission notice appear in all 8*5113495bSYour Name * copies. 9*5113495bSYour Name * 10*5113495bSYour Name * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL 11*5113495bSYour Name * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED 12*5113495bSYour Name * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE 13*5113495bSYour Name * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL 14*5113495bSYour Name * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR 15*5113495bSYour Name * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER 16*5113495bSYour Name * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR 17*5113495bSYour Name * PERFORMANCE OF THIS SOFTWARE. 18*5113495bSYour Name */ 19*5113495bSYour Name 20*5113495bSYour Name /** 21*5113495bSYour Name * DOC: i_qdf_lro.h 22*5113495bSYour Name * This file provides OS dependent LRO API's. 23*5113495bSYour Name */ 24*5113495bSYour Name 25*5113495bSYour Name #ifndef _I_QDF_LRO_H 26*5113495bSYour Name #define _I_QDF_LRO_H 27*5113495bSYour Name 28*5113495bSYour Name #if defined(FEATURE_LRO) 29*5113495bSYour Name #include <qdf_types.h> 30*5113495bSYour Name #include <i_qdf_nbuf.h> 31*5113495bSYour Name #include <i_qdf_trace.h> 32*5113495bSYour Name 33*5113495bSYour Name #include <linux/inet_lro.h> 34*5113495bSYour Name 35*5113495bSYour Name /** 36*5113495bSYour Name * struct qdf_lro_desc_entry - defines the LRO descriptor 37*5113495bSYour Name * element stored in the list 38*5113495bSYour Name * @lro_node: node of the list 39*5113495bSYour Name * @lro_desc: the LRO descriptor contained in this list entry 40*5113495bSYour Name */ 41*5113495bSYour Name struct qdf_lro_desc_entry { 42*5113495bSYour Name struct list_head lro_node; 43*5113495bSYour Name struct net_lro_desc *lro_desc; 44*5113495bSYour Name }; 45*5113495bSYour Name 46*5113495bSYour Name /** 47*5113495bSYour Name * struct qdf_lro_desc_pool - pool of free LRO descriptors 48*5113495bSYour Name * @lro_desc_array: array of LRO descriptors allocated 49*5113495bSYour Name * @lro_free_list_head: head of the list 50*5113495bSYour Name * @lro_pool_lock: lock to protect access to the list 51*5113495bSYour Name */ 52*5113495bSYour Name struct qdf_lro_desc_pool { 53*5113495bSYour Name struct qdf_lro_desc_entry *lro_desc_array; 54*5113495bSYour Name struct list_head lro_free_list_head; 55*5113495bSYour Name }; 56*5113495bSYour Name 57*5113495bSYour Name /** 58*5113495bSYour Name * struct qdf_lro_desc_table - defines each entry of the LRO hash table 59*5113495bSYour Name * @lro_desc_list: list of LRO descriptors 60*5113495bSYour Name */ 61*5113495bSYour Name struct qdf_lro_desc_table { 62*5113495bSYour Name struct list_head lro_desc_list; 63*5113495bSYour Name }; 64*5113495bSYour Name 65*5113495bSYour Name /** 66*5113495bSYour Name * struct qdf_lro_desc_info - structure containing the LRO descriptor 67*5113495bSYour Name * information 68*5113495bSYour Name * @lro_hash_table: hash table used for a quick desc. look-up 69*5113495bSYour Name * @lro_hash_lock: lock to protect access to the hash table 70*5113495bSYour Name * @lro_desc_pool: Free pool of LRO descriptors 71*5113495bSYour Name */ 72*5113495bSYour Name struct qdf_lro_desc_info { 73*5113495bSYour Name struct qdf_lro_desc_table *lro_hash_table; 74*5113495bSYour Name struct qdf_lro_desc_pool lro_desc_pool; 75*5113495bSYour Name }; 76*5113495bSYour Name 77*5113495bSYour Name /** 78*5113495bSYour Name * struct qdf_lro_s - LRO information 79*5113495bSYour Name * @lro_mgr: LRO manager 80*5113495bSYour Name * @lro_desc_info: LRO descriptor information 81*5113495bSYour Name */ 82*5113495bSYour Name struct qdf_lro_s { 83*5113495bSYour Name struct net_lro_mgr *lro_mgr; 84*5113495bSYour Name struct qdf_lro_desc_info lro_desc_info; 85*5113495bSYour Name }; 86*5113495bSYour Name 87*5113495bSYour Name typedef struct qdf_lro_s *__qdf_lro_ctx_t; 88*5113495bSYour Name 89*5113495bSYour Name /* LRO_DESC_TABLE_SZ must be a power of 2 */ 90*5113495bSYour Name #define QDF_LRO_DESC_TABLE_SZ 16 91*5113495bSYour Name #define QDF_LRO_DESC_TABLE_SZ_MASK (QDF_LRO_DESC_TABLE_SZ - 1) 92*5113495bSYour Name #define QDF_LRO_DESC_POOL_SZ 10 93*5113495bSYour Name 94*5113495bSYour Name #define QDF_LRO_DESC_TABLE_SZ 16 95*5113495bSYour Name #define QDF_LRO_DESC_TABLE_SZ_MASK (QDF_LRO_DESC_TABLE_SZ - 1) 96*5113495bSYour Name #define QDF_LRO_DESC_POOL_SZ 10 97*5113495bSYour Name 98*5113495bSYour Name #define QDF_LRO_MAX_AGGR_SIZE 100 99*5113495bSYour Name 100*5113495bSYour Name #else 101*5113495bSYour Name 102*5113495bSYour Name struct qdf_lro_s {}; 103*5113495bSYour Name 104*5113495bSYour Name typedef struct qdf_lro_s *__qdf_lro_ctx_t; 105*5113495bSYour Name 106*5113495bSYour Name #endif /* FEATURE_LRO */ 107*5113495bSYour Name #endif /*_I_QDF_NET_BUF_H */ 108