src/l2_packet/l2_packet_freebsd.c

48 int l2_packet_get_own_addr(struct l2_packet_data *l2, u8 *addr)
50 	os_memcpy(addr, l2->own_addr, ETH_ALEN);
55 int l2_packet_send(struct l2_packet_data *l2, const u8 *dst_addr, u16 proto,
58 	if (!l2->l2_hdr) {
64 		os_memcpy(eth->h_source, l2->own_addr, ETH_ALEN);
67 		ret = pcap_inject(l2->pcap, (u8 *) eth, len + sizeof(*eth));
71 		return pcap_inject(l2->pcap, buf, len);
77 	struct l2_packet_data *l2 = eloop_ctx;
91 	if (l2->l2_hdr) {
98 	l2->rx_callback(l2->rx_callback_ctx, ethhdr->h_source, buf, len);
102 static int l2_packet_init_libpcap(struct l2_packet_data *l2,
109 	pcap_lookupnet(l2->ifname, &pcap_netp, &pcap_maskp, pcap_err);
110 	l2->pcap = pcap_open_live(l2->ifname, 2500, 0, 10, pcap_err);
111 	if (l2->pcap == NULL) {
113 		fprintf(stderr, "ifname='%s'\n", l2->ifname);
116 	if (pcap_datalink(l2->pcap) != DLT_EN10MB &&
117 	    pcap_set_datalink(l2->pcap, DLT_EN10MB) < 0) {
119 			pcap_geterr(l2->pcap));
126 		    MAC2STR(l2->own_addr), /* do not receive own packets */
127 		    MAC2STR(l2->own_addr), MAC2STR(pae_group_addr),
129 	if (pcap_compile(l2->pcap, &pcap_fp, pcap_filter, 1, pcap_netp) < 0) {
130 		fprintf(stderr, "pcap_compile: %s\n", pcap_geterr(l2->pcap));
134 	if (pcap_setfilter(l2->pcap, &pcap_fp) < 0) {
135 		fprintf(stderr, "pcap_setfilter: %s\n", pcap_geterr(l2->pcap));
148 		if (ioctl(pcap_fileno(l2->pcap), BIOCIMMEDIATE, &on) < 0) {
151 				__func__, l2->ifname, strerror(errno));
157 	eloop_register_read_sock(pcap_get_selectable_fd(l2->pcap),
158 				 l2_packet_receive, l2, l2->pcap);
233 	struct l2_packet_data *l2;
235 	l2 = os_zalloc(sizeof(struct l2_packet_data));
236 	if (l2 == NULL)
238 	os_strlcpy(l2->ifname, ifname, sizeof(l2->ifname));
239 	l2->rx_callback = rx_callback;
240 	l2->rx_callback_ctx = rx_callback_ctx;
241 	l2->l2_hdr = l2_hdr;
243 	if (eth_get(l2->ifname, l2->own_addr) < 0) {
245 			"interface '%s'.\n", l2->ifname);
246 		os_free(l2);
250 	if (l2_packet_init_libpcap(l2, protocol)) {
251 		os_free(l2);
255 	return l2;
271 void l2_packet_deinit(struct l2_packet_data *l2)
273 	if (l2 != NULL) {
274 		if (l2->pcap) {
276 				pcap_get_selectable_fd(l2->pcap));
277 			pcap_close(l2->pcap);
279 		os_free(l2);
284 int l2_packet_get_ip_addr(struct l2_packet_data *l2, char *buf, size_t len)
298 		if (os_strcmp(dev->name, l2->ifname) != 0)
320 void l2_packet_notify_auth_start(struct l2_packet_data *l2)
325 int l2_packet_set_packet_filter(struct l2_packet_data *l2,