| /* |
| * Header file describing the common ip parser function. |
| * |
| * Provides type definitions and function prototypes used to parse ip packet. |
| * |
| * Copyright (C) 1999-2015, Broadcom Corporation |
| * |
| * Unless you and Broadcom execute a separate written software license |
| * agreement governing use of this software, this software is licensed to you |
| * under the terms of the GNU General Public License version 2 (the "GPL"), |
| * available at http://www.broadcom.com/licenses/GPLv2.php, with the |
| * following added to such license: |
| * |
| * As a special exception, the copyright holders of this software give you |
| * permission to link this software with independent modules, and to copy and |
| * distribute the resulting executable under terms of your choice, provided that |
| * you also meet, for each linked independent module, the terms and conditions of |
| * the license of that module. An independent module is a module which is not |
| * derived from this software. The special exception does not apply to any |
| * modifications of the software. |
| * |
| * Notwithstanding the above, under no circumstances may you combine this |
| * software in any way with any other Broadcom software provided under a license |
| * other than the GPL, without Broadcom's express prior written consent. |
| * |
| * $Id: dhd_ip.h 502735 2014-09-16 00:53:02Z $ |
| */ |
| |
| #ifndef _dhd_ip_h_ |
| #define _dhd_ip_h_ |
| |
| #ifdef DHDTCPACK_SUPPRESS |
| #include <dngl_stats.h> |
| #include <bcmutils.h> |
| #include <dhd.h> |
| #endif /* DHDTCPACK_SUPPRESS */ |
| |
| typedef enum pkt_frag |
| { |
| DHD_PKT_FRAG_NONE = 0, |
| DHD_PKT_FRAG_FIRST, |
| DHD_PKT_FRAG_CONT, |
| DHD_PKT_FRAG_LAST |
| } pkt_frag_t; |
| |
| extern pkt_frag_t pkt_frag_info(osl_t *osh, void *p); |
| extern bool pkt_is_dhcp(osl_t *osh, void *p); |
| |
| #ifdef DHDTCPACK_SUPPRESS |
| #define TCPACKSZMIN (ETHER_HDR_LEN + IPV4_MIN_HEADER_LEN + TCP_MIN_HEADER_LEN) |
| /* Size of MAX possible TCP ACK packet. Extra bytes for IP/TCP option fields */ |
| #define TCPACKSZMAX (TCPACKSZMIN + 100) |
| |
| /* Max number of TCP streams that have own src/dst IP addrs and TCP ports */ |
| #define TCPACK_INFO_MAXNUM 4 |
| #define TCPDATA_INFO_MAXNUM 4 |
| #define TCPDATA_PSH_INFO_MAXNUM (8 * TCPDATA_INFO_MAXNUM) |
| |
| #define TCPDATA_INFO_TIMEOUT 5000 /* Remove tcpdata_info if inactive for this time (in ms) */ |
| |
| #define TCPACK_SUPP_RATIO 3 |
| #define TCPACK_DELAY_TIME 10 /* ms */ |
| |
| extern int dhd_tcpack_suppress_set(dhd_pub_t *dhdp, uint8 on); |
| extern void dhd_tcpack_info_tbl_clean(dhd_pub_t *dhdp); |
| extern int dhd_tcpack_check_xmit(dhd_pub_t *dhdp, void *pkt); |
| extern bool dhd_tcpack_suppress(dhd_pub_t *dhdp, void *pkt); |
| extern bool dhd_tcpdata_info_get(dhd_pub_t *dhdp, void *pkt); |
| extern bool dhd_tcpack_hold(dhd_pub_t *dhdp, void *pkt, int ifidx); |
| /* #define DHDTCPACK_SUP_DBG */ |
| #if defined(DEBUG_COUNTER) && defined(DHDTCPACK_SUP_DBG) |
| extern counter_tbl_t tack_tbl; |
| #endif /* DEBUG_COUNTER && DHDTCPACK_SUP_DBG */ |
| #endif /* DHDTCPACK_SUPPRESS */ |
| |
| #endif /* _dhd_ip_h_ */ |
