1 /*
2  * Copyright (C) 2021 Huawei Device Co., Ltd.
3  * Licensed under the Apache License, Version 2.0 (the "License");
4  * you may not use this file except in compliance with the License.
5  * You may obtain a copy of the License at
6  *
7  *     http://www.apache.org/licenses/LICENSE-2.0
8  *
9  * Unless required by applicable law or agreed to in writing, software
10  * distributed under the License is distributed on an "AS IS" BASIS,
11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  * See the License for the specific language governing permissions and
13  * limitations under the License.
14  */
15 
16 #ifndef NSTACKX_CONGESTION_H
17 #define NSTACKX_CONGESTION_H
18 
19 #include "nstackx_common_header.h"
20 
21 #ifdef __cplusplus
22 extern "C" {
23 #endif
24 
25 #define MIN_MTU 64
26 #define MAX_MTU 65536
27 #define BITINBYTE 8
28 
29 #define MAX_WIFI_NEGO_RATE 2500
30 
31 typedef struct _WifiRateInfo {
32     uint32_t rateBitrate;
33     uint32_t rateWidth;
34 } WifiRateInfo;
35 
36 typedef struct _WifiStationInfo {
37     uint32_t txRate;
38     uint32_t rxRate;
39     int32_t signal;
40     uint32_t freq;
41 } WifiStationInfo;
42 
43 /* DFX */
44 typedef struct _RamInfo {
45     uint32_t availableRam;
46     uint32_t totalRam;
47 } RamInfo;
48 
49 typedef enum {
50     ROOT_QUEUE = -1,        /* ROOT queueu */
51     HI_QUEUE = 1,           /* QDISC queue 1 WLAN_HI_QUEUE = 0 */
52     NORMAL_QUEUE,           /* QDISC queue 2 WLAN_NORMAL_QUEUE */
53     TCP_DATA_QUEUE,         /* QDISC queue 3 WLAN_TCP_DATA_QUEUE */
54     TCP_ACK_QUEUE,          /* QDISC queue 4 WLAN_TCP_ACK_QUEUE */
55     UDP_BK_QUEUE,           /* QDISC queue 5 WLAN_UDP_BK_QUEUE */
56     UDP_BE_QUEUE,           /* QDISC queue 6 WLAN_UDP_BE_QUEUE */
57     UDP_VI_QUEUE,           /* QDISC queue 7 WLAN_UDP_VI_QUEUE */
58     UDP_VO_QUEUE,           /* QDISC queue 8 WLAN_UDP_VO_QUEUE */
59     MAX_QUEUE,
60 } QDISC_PROTOCOL_TYPE;
61 
62 NSTACKX_EXPORT WifiStationInfo GetGTxWifiStationInfo(uint8_t socketIndex);
63 NSTACKX_EXPORT int32_t CheckWlanNegoRateValid(uint32_t rate);
64 
65 /* for JNI */
66 typedef int32_t (*GetWifiInfoHook)(const char *devName, WifiStationInfo *wifiStationInfo);
67 NSTACKX_EXPORT int32_t CongestionInitGetWifiHook(GetWifiInfoHook getWifiInfoFromCb);
68 
69 /* for qdisc */
70 NSTACKX_EXPORT int32_t GetQdiscLen(const char *devName, int32_t protocol, uint32_t *len);
71 
72 /* for wifi */
73 NSTACKX_EXPORT int32_t GetServerWifiStationInfo(const char *devName, WifiStationInfo *wifiStationInfo);
74 NSTACKX_EXPORT int32_t UpdateWifiStationInfo(const char *devName, WifiStationInfo *txWifiStationInfo,
75     uint8_t socketIndex, int *changeStatus);
76 NSTACKX_EXPORT int32_t GetConngestSendRate(WifiStationInfo *rxWifiStationInfo, uint16_t connType, uint32_t mtu,
77     uint8_t socketIndex, uint16_t *sendRateResult);
78 NSTACKX_EXPORT int32_t GetWifiInfoDMsg(const char *devName, WifiStationInfo *wifiStationInfo);
79 NSTACKX_EXPORT int32_t GetConngestSendRateDMsg(const char *devName, uint32_t speedTX, uint32_t speedRX,
80     uint32_t *sendRateResult, uint32_t mtu);
81 
82 /* init and clean */
83 NSTACKX_EXPORT int32_t CongModuleInit(void);
84 NSTACKX_EXPORT void CongModuleClean(void);
85 
86 #ifdef __cplusplus
87 }
88 #endif
89 
90 #endif
91