2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
4 * Copyright (c) 2010-2011 Monthadar Al Jaberi, TerraNet AB
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8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer,
12 * without modification.
13 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
14 * similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any
15 * redistribution must be conditioned upon including a substantially
16 * similar Disclaimer requirement for further binary redistribution.
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21 * LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY
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29 * THE POSSIBILITY OF SUCH DAMAGES.
34 #include "../if_medium.h"
38 hal_tx_proc(void *arg, int npending)
40 struct wtap_hal *hal = (struct wtap_hal *)arg;
44 DWTAP_PRINTF("%s\n", __func__);
47 hal = (struct wtap_hal *)arg;
49 p = medium_get_next_packet(hal->hal_md);
53 hal->plugin->work(hal->plugin, p);
56 DWTAP_PRINTF("[%d] freeing m=%p\n", p->id, p->m);
59 free(p, M_WTAP_PACKET);
64 init_hal(struct wtap_hal *hal)
67 DWTAP_PRINTF("%s\n", __func__);
68 mtx_init(&hal->hal_mtx, "wtap_hal mtx", NULL, MTX_DEF | MTX_RECURSE);
70 hal->hal_md = (struct wtap_medium *)malloc(sizeof(struct wtap_medium),
71 M_WTAP, M_NOWAIT | M_ZERO);
72 bzero(hal->hal_md, sizeof(struct wtap_medium));
74 init_medium(hal->hal_md);
75 /* register event handler for packets */
76 TASK_INIT(&hal->hal_md->tx_handler->proc, 0, hal_tx_proc, hal);
80 register_plugin(struct wtap_hal *hal, struct wtap_plugin *plugin)
88 deregister_plugin(struct wtap_hal *hal)
91 hal->plugin->deinit(hal->plugin);
92 hal->plugin = NULL; /* catch illegal usages */
96 deinit_hal(struct wtap_hal *hal)
99 DWTAP_PRINTF("%s\n", __func__);
100 deinit_medium(hal->hal_md);
101 free(hal->hal_md, M_WTAP);
102 mtx_destroy(&hal->hal_mtx);
106 new_wtap(struct wtap_hal *hal, int32_t id)
108 static const uint8_t mac_pool[64][IEEE80211_ADDR_LEN] = {
109 {0,152,154,152,150,151},
110 {0,152,154,152,150,152},
111 {0,152,154,152,150,153},
112 {0,152,154,152,150,154},
113 {0,152,154,152,150,155},
114 {0,152,154,152,150,156},
115 {0,152,154,152,150,157},
116 {0,152,154,152,150,158},
117 {0,152,154,152,151,151},
118 {0,152,154,152,151,152},
119 {0,152,154,152,151,153},
120 {0,152,154,152,151,154},
121 {0,152,154,152,151,155},
122 {0,152,154,152,151,156},
123 {0,152,154,152,151,157},
124 {0,152,154,152,151,158},
125 {0,152,154,152,152,151},
126 {0,152,154,152,152,152},
127 {0,152,154,152,152,153},
128 {0,152,154,152,152,154},
129 {0,152,154,152,152,155},
130 {0,152,154,152,152,156},
131 {0,152,154,152,152,157},
132 {0,152,154,152,152,158},
133 {0,152,154,152,153,151},
134 {0,152,154,152,153,152},
135 {0,152,154,152,153,153},
136 {0,152,154,152,153,154},
137 {0,152,154,152,153,155},
138 {0,152,154,152,153,156},
139 {0,152,154,152,153,157},
140 {0,152,154,152,153,158},
141 {0,152,154,152,154,151},
142 {0,152,154,152,154,152},
143 {0,152,154,152,154,153},
144 {0,152,154,152,154,154},
145 {0,152,154,152,154,155},
146 {0,152,154,152,154,156},
147 {0,152,154,152,154,157},
148 {0,152,154,152,154,158},
149 {0,152,154,152,155,151},
150 {0,152,154,152,155,152},
151 {0,152,154,152,155,153},
152 {0,152,154,152,155,154},
153 {0,152,154,152,155,155},
154 {0,152,154,152,155,156},
155 {0,152,154,152,155,157},
156 {0,152,154,152,155,158},
157 {0,152,154,152,156,151},
158 {0,152,154,152,156,152},
159 {0,152,154,152,156,153},
160 {0,152,154,152,156,154},
161 {0,152,154,152,156,155},
162 {0,152,154,152,156,156},
163 {0,152,154,152,156,157},
164 {0,152,154,152,156,158},
165 {0,152,154,152,157,151},
166 {0,152,154,152,157,152},
167 {0,152,154,152,157,153},
168 {0,152,154,152,157,154},
169 {0,152,154,152,157,155},
170 {0,152,154,152,157,156},
171 {0,152,154,152,157,157},
172 {0,152,154,152,157,158}
175 DWTAP_PRINTF("%s\n", __func__);
176 uint8_t const *macaddr = mac_pool[id];
177 if(hal->hal_devs[id] != NULL){
178 printf("error, wtap_id=%d already created\n", id);
182 hal->hal_devs[id] = (struct wtap_softc *)malloc(
183 sizeof(struct wtap_softc), M_WTAP, M_NOWAIT | M_ZERO);
184 bzero(hal->hal_devs[id], sizeof(struct wtap_softc));
185 hal->hal_devs[id]->sc_md = hal->hal_md;
186 hal->hal_devs[id]->id = id;
187 snprintf(hal->hal_devs[id]->name, sizeof(hal->hal_devs[id]->name),
189 mtx_init(&hal->hal_devs[id]->sc_mtx, "wtap_softc mtx", NULL,
190 MTX_DEF | MTX_RECURSE);
192 if(wtap_attach(hal->hal_devs[id], macaddr)){
193 printf("%s, cant alloc new wtap\n", __func__);
201 free_wtap(struct wtap_hal *hal, int32_t id)
204 DWTAP_PRINTF("%s\n", __func__);
205 if(hal->hal_devs[id] == NULL){
206 printf("error, wtap_id=%d never created\n", id);
210 if(wtap_detach(hal->hal_devs[id]))
211 printf("%s, cant alloc new wtap\n", __func__);
212 mtx_destroy(&hal->hal_devs[id]->sc_mtx);
213 free(hal->hal_devs[id], M_WTAP);
214 hal->hal_devs[id] = NULL;