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1 | | -/* SPDX-License-Identifier: GPL-2.0 */ |
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2 | 1 | /* |
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3 | 2 | * Header file describing the common ip parser function. |
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4 | 3 | * |
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5 | 4 | * Provides type definitions and function prototypes used to parse ip packet. |
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6 | 5 | * |
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7 | | - * Copyright (C) 1999-2019, Broadcom Corporation |
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8 | | - * |
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| 6 | + * Portions of this code are copyright (c) 2022 Cypress Semiconductor Corporation |
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| 7 | + * |
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| 8 | + * Copyright (C) 1999-2017, Broadcom Corporation |
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| 9 | + * |
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9 | 10 | * Unless you and Broadcom execute a separate written software license |
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10 | 11 | * agreement governing use of this software, this software is licensed to you |
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11 | 12 | * under the terms of the GNU General Public License version 2 (the "GPL"), |
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12 | 13 | * available at http://www.broadcom.com/licenses/GPLv2.php, with the |
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13 | 14 | * following added to such license: |
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14 | | - * |
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| 15 | + * |
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15 | 16 | * As a special exception, the copyright holders of this software give you |
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16 | 17 | * permission to link this software with independent modules, and to copy and |
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17 | 18 | * distribute the resulting executable under terms of your choice, provided that |
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19 | 20 | * the license of that module. An independent module is a module which is not |
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20 | 21 | * derived from this software. The special exception does not apply to any |
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21 | 22 | * modifications of the software. |
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22 | | - * |
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| 23 | + * |
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23 | 24 | * Notwithstanding the above, under no circumstances may you combine this |
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24 | 25 | * software in any way with any other Broadcom software provided under a license |
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25 | 26 | * other than the GPL, without Broadcom's express prior written consent. |
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27 | 28 | * |
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28 | 29 | * <<Broadcom-WL-IPTag/Open:>> |
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29 | 30 | * |
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30 | | - * $Id: dhd_ip.h 537119 2015-02-25 04:24:14Z $ |
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| 31 | + * $Id: dhd_ip.h 536854 2015-02-24 13:17:29Z $ |
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31 | 32 | */ |
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32 | 33 | |
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33 | 34 | #ifndef _dhd_ip_h_ |
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34 | 35 | #define _dhd_ip_h_ |
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35 | 36 | |
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36 | | -#ifdef DHDTCPACK_SUPPRESS |
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| 37 | +#if defined(DHDTCPACK_SUPPRESS) || defined(DHDTCPSYNC_FLOOD_BLK) |
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37 | 38 | #include <dngl_stats.h> |
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38 | 39 | #include <bcmutils.h> |
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39 | 40 | #include <dhd.h> |
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40 | | -#endif /* DHDTCPACK_SUPPRESS */ |
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| 41 | +#endif /* DHDTCPACK_SUPPRESS || DHDTCPSYNC_FLOOD_BLK */ |
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41 | 42 | |
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42 | 43 | typedef enum pkt_frag |
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43 | 44 | { |
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49 | 50 | |
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50 | 51 | extern pkt_frag_t pkt_frag_info(osl_t *osh, void *p); |
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51 | 52 | |
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| 53 | +#ifdef DHDTCPSYNC_FLOOD_BLK |
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| 54 | +typedef enum tcp_hdr_flags { |
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| 55 | + FLAG_SYNC, |
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| 56 | + FLAG_SYNCACK, |
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| 57 | + FLAG_RST, |
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| 58 | + FLAG_OTHERS |
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| 59 | +} tcp_hdr_flag_t; |
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| 60 | + |
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| 61 | +extern tcp_hdr_flag_t dhd_tcpdata_get_flag(dhd_pub_t *dhdp, void *pkt); |
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| 62 | +#endif /* DHDTCPSYNC_FLOOD_BLK */ |
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| 63 | + |
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52 | 64 | #ifdef DHDTCPACK_SUPPRESS |
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53 | 65 | #define TCPACKSZMIN (ETHER_HDR_LEN + IPV4_MIN_HEADER_LEN + TCP_MIN_HEADER_LEN) |
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54 | 66 | /* Size of MAX possible TCP ACK packet. Extra bytes for IP/TCP option fields */ |
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57 | 69 | /* Max number of TCP streams that have own src/dst IP addrs and TCP ports */ |
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58 | 70 | #define TCPACK_INFO_MAXNUM 4 |
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59 | 71 | #define TCPDATA_INFO_MAXNUM 4 |
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60 | | -#define TCPDATA_PSH_INFO_MAXNUM (16 * TCPDATA_INFO_MAXNUM) |
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| 72 | +#define TCPDATA_PSH_INFO_MAXNUM (8 * TCPDATA_INFO_MAXNUM) |
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61 | 73 | |
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62 | 74 | #define TCPDATA_INFO_TIMEOUT 5000 /* Remove tcpdata_info if inactive for this time (in ms) */ |
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63 | 75 | |
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