1*4882a593Smuzhiyun /* 2*4882a593Smuzhiyun * Header file describing the common ip parser function. 3*4882a593Smuzhiyun * 4*4882a593Smuzhiyun * Provides type definitions and function prototypes used to parse ip packet. 5*4882a593Smuzhiyun * 6*4882a593Smuzhiyun * Portions of this code are copyright (c) 2021 Cypress Semiconductor Corporation 7*4882a593Smuzhiyun * 8*4882a593Smuzhiyun * Copyright (C) 1999-2017, Broadcom Corporation 9*4882a593Smuzhiyun * 10*4882a593Smuzhiyun * Unless you and Broadcom execute a separate written software license 11*4882a593Smuzhiyun * agreement governing use of this software, this software is licensed to you 12*4882a593Smuzhiyun * under the terms of the GNU General Public License version 2 (the "GPL"), 13*4882a593Smuzhiyun * available at http://www.broadcom.com/licenses/GPLv2.php, with the 14*4882a593Smuzhiyun * following added to such license: 15*4882a593Smuzhiyun * 16*4882a593Smuzhiyun * As a special exception, the copyright holders of this software give you 17*4882a593Smuzhiyun * permission to link this software with independent modules, and to copy and 18*4882a593Smuzhiyun * distribute the resulting executable under terms of your choice, provided that 19*4882a593Smuzhiyun * you also meet, for each linked independent module, the terms and conditions of 20*4882a593Smuzhiyun * the license of that module. An independent module is a module which is not 21*4882a593Smuzhiyun * derived from this software. The special exception does not apply to any 22*4882a593Smuzhiyun * modifications of the software. 23*4882a593Smuzhiyun * 24*4882a593Smuzhiyun * Notwithstanding the above, under no circumstances may you combine this 25*4882a593Smuzhiyun * software in any way with any other Broadcom software provided under a license 26*4882a593Smuzhiyun * other than the GPL, without Broadcom's express prior written consent. 27*4882a593Smuzhiyun * 28*4882a593Smuzhiyun * 29*4882a593Smuzhiyun * <<Broadcom-WL-IPTag/Open:>> 30*4882a593Smuzhiyun * 31*4882a593Smuzhiyun * $Id: dhd_ip.h 536854 2015-02-24 13:17:29Z $ 32*4882a593Smuzhiyun */ 33*4882a593Smuzhiyun 34*4882a593Smuzhiyun #ifndef _dhd_ip_h_ 35*4882a593Smuzhiyun #define _dhd_ip_h_ 36*4882a593Smuzhiyun 37*4882a593Smuzhiyun #if defined(DHDTCPACK_SUPPRESS) || defined(DHDTCPSYNC_FLOOD_BLK) 38*4882a593Smuzhiyun #include <dngl_stats.h> 39*4882a593Smuzhiyun #include <bcmutils.h> 40*4882a593Smuzhiyun #include <dhd.h> 41*4882a593Smuzhiyun #endif /* DHDTCPACK_SUPPRESS || DHDTCPSYNC_FLOOD_BLK */ 42*4882a593Smuzhiyun 43*4882a593Smuzhiyun typedef enum pkt_frag 44*4882a593Smuzhiyun { 45*4882a593Smuzhiyun DHD_PKT_FRAG_NONE = 0, 46*4882a593Smuzhiyun DHD_PKT_FRAG_FIRST, 47*4882a593Smuzhiyun DHD_PKT_FRAG_CONT, 48*4882a593Smuzhiyun DHD_PKT_FRAG_LAST 49*4882a593Smuzhiyun } pkt_frag_t; 50*4882a593Smuzhiyun 51*4882a593Smuzhiyun extern pkt_frag_t pkt_frag_info(osl_t *osh, void *p); 52*4882a593Smuzhiyun 53*4882a593Smuzhiyun #ifdef DHDTCPSYNC_FLOOD_BLK 54*4882a593Smuzhiyun typedef enum tcp_hdr_flags { 55*4882a593Smuzhiyun FLAG_SYNC, 56*4882a593Smuzhiyun FLAG_SYNCACK, 57*4882a593Smuzhiyun FLAG_RST, 58*4882a593Smuzhiyun FLAG_OTHERS 59*4882a593Smuzhiyun } tcp_hdr_flag_t; 60*4882a593Smuzhiyun 61*4882a593Smuzhiyun extern tcp_hdr_flag_t dhd_tcpdata_get_flag(dhd_pub_t *dhdp, void *pkt); 62*4882a593Smuzhiyun #endif /* DHDTCPSYNC_FLOOD_BLK */ 63*4882a593Smuzhiyun 64*4882a593Smuzhiyun #ifdef DHDTCPACK_SUPPRESS 65*4882a593Smuzhiyun #define TCPACKSZMIN (ETHER_HDR_LEN + IPV4_MIN_HEADER_LEN + TCP_MIN_HEADER_LEN) 66*4882a593Smuzhiyun /* Size of MAX possible TCP ACK packet. Extra bytes for IP/TCP option fields */ 67*4882a593Smuzhiyun #define TCPACKSZMAX (TCPACKSZMIN + 100) 68*4882a593Smuzhiyun 69*4882a593Smuzhiyun /* Max number of TCP streams that have own src/dst IP addrs and TCP ports */ 70*4882a593Smuzhiyun #define TCPACK_INFO_MAXNUM 4 71*4882a593Smuzhiyun #define TCPDATA_INFO_MAXNUM 4 72*4882a593Smuzhiyun #define TCPDATA_PSH_INFO_MAXNUM (8 * TCPDATA_INFO_MAXNUM) 73*4882a593Smuzhiyun 74*4882a593Smuzhiyun #define TCPDATA_INFO_TIMEOUT 5000 /* Remove tcpdata_info if inactive for this time (in ms) */ 75*4882a593Smuzhiyun 76*4882a593Smuzhiyun #define DEFAULT_TCPACK_SUPP_RATIO 3 77*4882a593Smuzhiyun #ifndef CUSTOM_TCPACK_SUPP_RATIO 78*4882a593Smuzhiyun #define CUSTOM_TCPACK_SUPP_RATIO DEFAULT_TCPACK_SUPP_RATIO 79*4882a593Smuzhiyun #endif /* CUSTOM_TCPACK_SUPP_RATIO */ 80*4882a593Smuzhiyun 81*4882a593Smuzhiyun #define DEFAULT_TCPACK_DELAY_TIME 10 /* ms */ 82*4882a593Smuzhiyun #ifndef CUSTOM_TCPACK_DELAY_TIME 83*4882a593Smuzhiyun #define CUSTOM_TCPACK_DELAY_TIME DEFAULT_TCPACK_DELAY_TIME 84*4882a593Smuzhiyun #endif /* CUSTOM_TCPACK_DELAY_TIME */ 85*4882a593Smuzhiyun 86*4882a593Smuzhiyun extern int dhd_tcpack_suppress_set(dhd_pub_t *dhdp, uint8 on); 87*4882a593Smuzhiyun extern void dhd_tcpack_info_tbl_clean(dhd_pub_t *dhdp); 88*4882a593Smuzhiyun extern int dhd_tcpack_check_xmit(dhd_pub_t *dhdp, void *pkt); 89*4882a593Smuzhiyun extern bool dhd_tcpack_suppress(dhd_pub_t *dhdp, void *pkt); 90*4882a593Smuzhiyun extern bool dhd_tcpdata_info_get(dhd_pub_t *dhdp, void *pkt); 91*4882a593Smuzhiyun extern bool dhd_tcpack_hold(dhd_pub_t *dhdp, void *pkt, int ifidx); 92*4882a593Smuzhiyun /* #define DHDTCPACK_SUP_DBG */ 93*4882a593Smuzhiyun #if defined(DEBUG_COUNTER) && defined(DHDTCPACK_SUP_DBG) 94*4882a593Smuzhiyun extern counter_tbl_t tack_tbl; 95*4882a593Smuzhiyun #endif /* DEBUG_COUNTER && DHDTCPACK_SUP_DBG */ 96*4882a593Smuzhiyun #endif /* DHDTCPACK_SUPPRESS */ 97*4882a593Smuzhiyun 98*4882a593Smuzhiyun #endif /* _dhd_ip_h_ */ 99