Lines Matching full:l2
43 int l2_packet_get_own_addr(struct l2_packet_data *l2, u8 *addr) in l2_packet_get_own_addr() argument
45 os_memcpy(addr, l2->own_addr, ETH_ALEN); in l2_packet_get_own_addr()
51 static int l2_packet_init_libdnet(struct l2_packet_data *l2) in l2_packet_init_libdnet() argument
55 l2->eth = eth_open(l2->ifname); in l2_packet_init_libdnet()
56 if (!l2->eth) { in l2_packet_init_libdnet()
59 l2->ifname, strerror(errno)); in l2_packet_init_libdnet()
63 if (eth_get(l2->eth, &own_addr) < 0) { in l2_packet_init_libdnet()
66 l2->ifname, strerror(errno)); in l2_packet_init_libdnet()
67 eth_close(l2->eth); in l2_packet_init_libdnet()
68 l2->eth = NULL; in l2_packet_init_libdnet()
71 os_memcpy(l2->own_addr, own_addr.data, ETH_ALEN); in l2_packet_init_libdnet()
78 int l2_packet_send(struct l2_packet_data *l2, const u8 *dst_addr, u16 proto, in l2_packet_send() argument
84 if (l2 == NULL) in l2_packet_send()
87 if (l2->l2_hdr) { in l2_packet_send()
89 ret = pcap_sendpacket(l2->pcap, buf, len); in l2_packet_send()
91 ret = eth_send(l2->eth, buf, len); in l2_packet_send()
100 os_memcpy(eth->h_source, l2->own_addr, ETH_ALEN); in l2_packet_send()
105 ret = pcap_sendpacket(l2->pcap, (u8 *) eth, mlen); in l2_packet_send()
107 ret = eth_send(l2->eth, (u8 *) eth, mlen); in l2_packet_send()
120 struct l2_packet_data *l2 = eloop_ctx; in l2_packet_receive() local
130 if (!l2->rx_callback || !packet || hdr.caplen < sizeof(*ethhdr)) in l2_packet_receive()
134 if (l2->l2_hdr) { in l2_packet_receive()
141 l2->rx_callback(l2->rx_callback_ctx, ethhdr->h_source, buf, len); in l2_packet_receive()
150 struct l2_packet_data *l2 = (struct l2_packet_data *) user; in l2_packet_receive_cb() local
155 if (!l2->rx_callback || !pkt_data || hdr->caplen < sizeof(*ethhdr)) in l2_packet_receive_cb()
159 if (l2->l2_hdr) { in l2_packet_receive_cb()
166 l2->rx_callback(l2->rx_callback_ctx, ethhdr->h_source, buf, len); in l2_packet_receive_cb()
171 l2->num_fast_poll = 3 * 50; in l2_packet_receive_cb()
177 struct l2_packet_data *l2 = eloop_ctx; in l2_packet_receive_timeout() local
181 if (l2->num_fast_poll > 0) { in l2_packet_receive_timeout()
183 l2->num_fast_poll--; in l2_packet_receive_timeout()
191 l2, pcap); in l2_packet_receive_timeout()
192 pcap_dispatch(pcap, 10, l2_packet_receive_cb, (u_char *) l2); in l2_packet_receive_timeout()
197 static int l2_packet_init_libpcap(struct l2_packet_data *l2, in l2_packet_init_libpcap() argument
206 os_snprintf(ifname, sizeof(ifname), "\\Device\\NPF_%s", l2->ifname); in l2_packet_init_libpcap()
208 l2->pcap = pcap_open_live(ifname, 2500, 0, 10, pcap_err); in l2_packet_init_libpcap()
209 if (l2->pcap == NULL) { in l2_packet_init_libpcap()
214 if (pcap_setnonblock(l2->pcap, 1, pcap_err) < 0) in l2_packet_init_libpcap()
216 pcap_geterr(l2->pcap)); in l2_packet_init_libpcap()
218 pcap_lookupnet(l2->ifname, &pcap_netp, &pcap_maskp, pcap_err); in l2_packet_init_libpcap()
219 l2->pcap = pcap_open_live(l2->ifname, 2500, 0, 10, pcap_err); in l2_packet_init_libpcap()
220 if (l2->pcap == NULL) { in l2_packet_init_libpcap()
222 fprintf(stderr, "ifname='%s'\n", l2->ifname); in l2_packet_init_libpcap()
225 if (pcap_datalink(l2->pcap) != DLT_EN10MB && in l2_packet_init_libpcap()
226 pcap_set_datalink(l2->pcap, DLT_EN10MB) < 0) { in l2_packet_init_libpcap()
228 pcap_geterr(l2->pcap)); in l2_packet_init_libpcap()
236 MAC2STR(l2->own_addr), /* do not receive own packets */ in l2_packet_init_libpcap()
237 MAC2STR(l2->own_addr), MAC2STR(pae_group_addr), in l2_packet_init_libpcap()
239 if (pcap_compile(l2->pcap, &pcap_fp, pcap_filter, 1, pcap_netp) < 0) { in l2_packet_init_libpcap()
240 fprintf(stderr, "pcap_compile: %s\n", pcap_geterr(l2->pcap)); in l2_packet_init_libpcap()
244 if (pcap_setfilter(l2->pcap, &pcap_fp) < 0) { in l2_packet_init_libpcap()
245 fprintf(stderr, "pcap_setfilter: %s\n", pcap_geterr(l2->pcap)); in l2_packet_init_libpcap()
258 if (ioctl(pcap_fileno(l2->pcap), BIOCIMMEDIATE, &on) < 0) { in l2_packet_init_libpcap()
261 __func__, l2->ifname, strerror(errno)); in l2_packet_init_libpcap()
269 l2, l2->pcap); in l2_packet_init_libpcap()
271 eloop_register_read_sock(pcap_get_selectable_fd(l2->pcap), in l2_packet_init_libpcap()
272 l2_packet_receive, l2, l2->pcap); in l2_packet_init_libpcap()
285 struct l2_packet_data *l2; in l2_packet_init() local
287 l2 = os_zalloc(sizeof(struct l2_packet_data)); in l2_packet_init()
288 if (l2 == NULL) in l2_packet_init()
290 os_strlcpy(l2->ifname, ifname, sizeof(l2->ifname)); in l2_packet_init()
291 l2->rx_callback = rx_callback; in l2_packet_init()
292 l2->rx_callback_ctx = rx_callback_ctx; in l2_packet_init()
293 l2->l2_hdr = l2_hdr; in l2_packet_init()
297 os_memcpy(l2->own_addr, own_addr, ETH_ALEN); in l2_packet_init()
299 if (l2_packet_init_libdnet(l2)) in l2_packet_init()
303 if (l2_packet_init_libpcap(l2, protocol)) { in l2_packet_init()
305 eth_close(l2->eth); in l2_packet_init()
307 os_free(l2); in l2_packet_init()
311 return l2; in l2_packet_init()
327 void l2_packet_deinit(struct l2_packet_data *l2) in l2_packet_deinit() argument
329 if (l2 == NULL) in l2_packet_deinit()
333 eloop_cancel_timeout(l2_packet_receive_timeout, l2, l2->pcap); in l2_packet_deinit()
335 if (l2->eth) in l2_packet_deinit()
336 eth_close(l2->eth); in l2_packet_deinit()
337 eloop_unregister_read_sock(pcap_get_selectable_fd(l2->pcap)); in l2_packet_deinit()
339 if (l2->pcap) in l2_packet_deinit()
340 pcap_close(l2->pcap); in l2_packet_deinit()
341 os_free(l2); in l2_packet_deinit()
345 int l2_packet_get_ip_addr(struct l2_packet_data *l2, char *buf, size_t len) in l2_packet_get_ip_addr() argument
359 if (os_strcmp(dev->name, l2->ifname) != 0) in l2_packet_get_ip_addr()
381 void l2_packet_notify_auth_start(struct l2_packet_data *l2) in l2_packet_notify_auth_start() argument
388 l2->num_fast_poll = 3 * 50; in l2_packet_notify_auth_start()
389 eloop_cancel_timeout(l2_packet_receive_timeout, l2, l2->pcap); in l2_packet_notify_auth_start()
391 l2, l2->pcap); in l2_packet_notify_auth_start()
396 int l2_packet_set_packet_filter(struct l2_packet_data *l2, in l2_packet_set_packet_filter() argument