source: ReferenceDesigns/w3_802.11/c/wlan_mac_high_ibss/wlan_exp_node_ibss.c

Last change on this file was 6319, checked in by chunter, 5 years ago

1.8.0 release wlan-mac-se
File size: 8.7 KB
Line 
1/** @file wlan_exp_node_sta.c
2 *  @brief Station WLAN Experiment
3 *
4 *  This contains code for the 802.11 Station's WLAN experiment interface.
5 *
6 *  @copyright Copyright 2014-2019, Mango Communications. All rights reserved.
7 *          Distributed under the Mango Communications Reference Design License
8 *              See LICENSE.txt included in the design archive or
9 *              at http://mangocomm.com/802.11/license
10 *
11 *  This file is part of the Mango 802.11 Reference Design (https://mangocomm.com/802.11)
12 */
13
14
15/***************************** Include Files *********************************/
16#include "wlan_mac_high_sw_config.h"
17
18#if WLAN_SW_CONFIG_ENABLE_WLAN_EXP
19
20#include "wlan_exp_common.h"
21#include "wlan_exp_node.h"
22#include "wlan_exp_node_ibss.h"
23#include "wlan_platform_high.h"
24
25// Xilinx includes
26#include <xparameters.h>
27#include <xil_io.h>
28
29// Library includes
30#include "string.h"
31#include "stdlib.h"
32
33// WLAN includes
34#include "wlan_mac_event_log.h"
35#include "wlan_mac_network_info.h"
36#include "wlan_mac_ltg.h"
37#include "wlan_mac_ibss.h"
38#include "wlan_mac_station_info.h"
39#include "wlan_mac_high.h"
40#include "wlan_mac_queue.h"
41#include "wlan_mac_common.h"
42
43/*************************** Constant Definitions ****************************/
44
45
46/*********************** Global Variable Definitions *************************/
47extern tx_params_t default_unicast_data_tx_params;
48extern network_info_t* active_network_info;
49extern u32 max_queue_size;
50
51extern function_ptr_t wlan_exp_purge_all_wireless_tx_queue_callback;
52
53
54/*************************** Variable Definitions ****************************/
55
56
57/*************************** Functions Prototypes ****************************/
58
59
60/******************************** Functions **********************************/
61
62
63/*****************************************************************************/
64/**
65 * Process Node Commands
66 *
67 * This function is part of the Ethernet processing system and will process the
68 * various node related commands.
69 *
70 * @return  int              - Status of the command:
71 *                                 NO_RESP_SENT - No response has been sent
72 *                                 RESP_SENT    - A response has been sent
73 *
74 * @note    See on-line documentation for more information about the Ethernet
75 *          packet structure:  www.warpproject.org
76 *
77 *****************************************************************************/
78int process_wlan_exp_app_cmd(cmd_resp_hdr_t* cmd_hdr, eth_tx_queue_buffer_t* eth_tx_queue_buffer) {
79
80    //
81    // IMPORTANT ENDIAN NOTES:
82    //     - command
83    //         - header - Already endian swapped by the framework (safe to access directly)
84    //         - args   - Must be endian swapped as necessary by code (framework does not know the contents of the command)
85    //     - response
86    //         - header - Will be endian swapped by the framework (safe to write directly)
87    //         - args   - Must be endian swapped as necessary by code (framework does not know the contents of the response)
88    //
89    // Standard variables
90    u32 resp_sent = NO_RESP_SENT;
91
92    u32 cmd_id = CMD_TO_CMDID(cmd_hdr->cmd);
93
94    // Segment 0 length includes a fully formed command response header
95    //  because one was created with default values suitable for a responseless
96    //  acknowledgment.
97    cmd_resp_hdr_t* resp_hdr = (cmd_resp_hdr_t*)(eth_tx_queue_buffer->seg0
98                                                 + eth_tx_queue_buffer->seg0_len
99                                                 - sizeof(cmd_resp_hdr_t));
100
101    u32* cmd_args_32 = (u32*)((u8*)cmd_hdr + sizeof(cmd_resp_hdr_t));
102
103    switch(cmd_id){
104
105//-----------------------------------------------------------------------------
106// WLAN Exp Node Commands that must be implemented in child classes
107//-----------------------------------------------------------------------------
108
109        //---------------------------------------------------------------------
110        case CMDID_NODE_RESET_STATE: {
111            // NODE_RESET_STATE Packet Format:
112            //   - cmd_args_32[0]  - Flags
113            //                     [0] - NODE_RESET_LOG
114            //                     [1] - NODE_RESET_TXRX_COUNTS
115            //                     [2] - NODE_RESET_LTG
116            //                     [3] - NODE_RESET_TX_DATA_QUEUE
117            //                     [4] - NODE_RESET_ASSOCIATIONS
118            //                     [5] - NODE_RESET_BSS_INFO
119            //
120            interrupt_state_t prev_interrupt_state;
121            u32 status = CMD_PARAM_SUCCESS;
122            u32 flags = Xil_Ntohl(cmd_args_32[0]);
123
124            // Disable interrupts so no packets interrupt the reset
125            prev_interrupt_state = wlan_platform_intc_stop();
126#if WLAN_SW_CONFIG_ENABLE_LOGGING
127            // Configure the LOG based on the flag bits
128            if (flags & CMD_PARAM_NODE_RESET_FLAG_LOG) {
129                wlan_exp_printf(WLAN_EXP_PRINT_INFO, print_type_event_log, "Reset log\n");
130                event_log_reset();
131            }
132#endif //WLAN_SW_CONFIG_ENABLE_LOGGING
133            if (flags & CMD_PARAM_NODE_RESET_FLAG_TXRX_COUNTS) {
134                wlan_exp_printf(WLAN_EXP_PRINT_INFO, print_type_counts, "Reseting Counts\n");
135#if WLAN_SW_CONFIG_ENABLE_TXRX_COUNTS
136                txrx_counts_zero_all();
137#endif
138            }
139
140#if WLAN_SW_CONFIG_ENABLE_LTG
141            if (flags & CMD_PARAM_NODE_RESET_FLAG_LTG) {
142                status = ltg_sched_remove(LTG_REMOVE_ALL);
143
144                if (status != 0) {
145                    wlan_exp_printf(WLAN_EXP_PRINT_ERROR, print_type_ltg, "Failed to remove all LTGs\n");
146                    status = CMD_PARAM_ERROR + CMD_PARAM_LTG_ERROR;
147                } else {
148                    wlan_exp_printf(WLAN_EXP_PRINT_INFO, print_type_ltg, "Removing All LTGs\n");
149                }
150            }
151#endif //WLAN_SW_CONFIG_ENABLE_LTG
152
153            if (flags & CMD_PARAM_NODE_RESET_FLAG_TX_DATA_QUEUE) {
154                wlan_exp_printf(WLAN_EXP_PRINT_INFO, print_type_queue, "Purging all data transmit queues\n");
155                wlan_exp_purge_all_wireless_tx_queue_callback();
156            }
157
158            if (flags & CMD_PARAM_NODE_RESET_FLAG_BSS) {
159                wlan_exp_printf(WLAN_EXP_PRINT_INFO, print_type_node, "Resetting BSS\n");
160
161                // Set "active_bss_info" to NULL
162                configure_bss(NULL, 0);
163            }
164
165            if (flags & CMD_PARAM_NODE_RESET_FLAG_NETWORK_LIST) {
166                wlan_exp_printf(WLAN_EXP_PRINT_INFO, print_type_node, "Resetting Network List\n");
167                wlan_mac_high_reset_network_list();
168            }
169
170            // Call MAC specific reset with the flags
171
172            // Re-enable interrupts
173            wlan_platform_intc_set_state(prev_interrupt_state);
174
175            // Send response of success
176            wlan_exp_add_u32_resp_arg(eth_tx_queue_buffer, resp_hdr, status);
177        }
178        break;
179
180
181//-----------------------------------------------------------------------------
182// IBSS Specific Commands
183//-----------------------------------------------------------------------------
184
185
186        //---------------------------------------------------------------------
187        default: {
188            wlan_exp_printf(WLAN_EXP_PRINT_ERROR, print_type_node, "Unknown node command: 0x%x\n", cmd_id);
189        }
190        break;
191    }
192
193    return resp_sent;
194}
195
196/*****************************************************************************/
197/**
198 * Used by wlan_exp_cmd_add_association_callback in wlan_exp_node.c
199 *
200 * @param   mac_addr         - Pointer to MAC address association that will be added
201 *
202 * @return  None
203 *
204 *****************************************************************************/
205void wlan_exp_ibss_tx_cmd_add_association(u8* mac_addr) {
206    station_info_t* station_info = NULL;
207    if (active_network_info != NULL) {
208        wlan_exp_printf(WLAN_EXP_PRINT_INFO, print_type_node, "Adding association for:  ");
209        wlan_exp_print_mac_address(WLAN_EXP_PRINT_INFO, mac_addr); wlan_exp_printf(WLAN_EXP_PRINT_INFO, NULL, "\n");
210
211        // Add station info
212        //     - Set ht_capable argument to the HT_CAPABLE capability of the BSS.  Given that the node does not know
213        //       the HT capabilities of the new station, it is reasonable to assume that they are the same as the BSS.
214        //
215        station_info = network_info_add_member(active_network_info, mac_addr, max_queue_size);
216
217        if(station_info){
218            if(active_network_info->bss_config.ht_capable){
219                station_info->capabilities |= STATION_INFO_CAPABILITIES_HT_CAPABLE;
220            } else {
221                station_info->capabilities &= ~STATION_INFO_CAPABILITIES_HT_CAPABLE;
222            }
223        }
224    }
225}
226
227
228#endif
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