Lines Matching full:l2

53 int l2_packet_get_own_addr(struct l2_packet_data *l2, u8 *addr)
55 	os_memcpy(addr, l2->own_addr, ETH_ALEN);
60 int l2_packet_send(struct l2_packet_data *l2, const u8 *dst_addr, u16 proto,
63 	if (!l2->l2_hdr) {
69 		os_memcpy(eth->h_source, l2->own_addr, ETH_ALEN);
72 		ret = pcap_inject(l2->pcap, (u8 *) eth, len + sizeof(*eth));
76 		return pcap_inject(l2->pcap, buf, len);
82 	struct l2_packet_data *l2 = eloop_ctx;
96 	if (!l2->rx_callback || !packet || hdr->caplen < sizeof(*ethhdr))
100 	if (l2->l2_hdr) {
114 	l2->rx_callback(l2->rx_callback_ctx, ethhdr->h_source, buf, len);
118 static int l2_packet_init_libpcap(struct l2_packet_data *l2,
125 	pcap_lookupnet(l2->ifname, &pcap_netp, &pcap_maskp, pcap_err);
126 	l2->pcap = pcap_open_live(l2->ifname, 2500, 0, 10, pcap_err);
127 	if (l2->pcap == NULL) {
129 		fprintf(stderr, "ifname='%s'\n", l2->ifname);
132 	if (pcap_datalink(l2->pcap) != DLT_EN10MB &&
133 	    pcap_set_datalink(l2->pcap, DLT_EN10MB) < 0) {
135 			pcap_geterr(l2->pcap));
142 		    MAC2STR(l2->own_addr), /* do not receive own packets */
143 		    MAC2STR(l2->own_addr), MAC2STR(pae_group_addr),
145 	if (pcap_compile(l2->pcap, &pcap_fp, pcap_filter, 1, pcap_netp) < 0) {
146 		fprintf(stderr, "pcap_compile: %s\n", pcap_geterr(l2->pcap));
150 	if (pcap_setfilter(l2->pcap, &pcap_fp) < 0) {
151 		fprintf(stderr, "pcap_setfilter: %s\n", pcap_geterr(l2->pcap));
164 		if (ioctl(pcap_fileno(l2->pcap), BIOCIMMEDIATE, &on) < 0) {
167 				__func__, l2->ifname, strerror(errno));
173 	eloop_register_read_sock(pcap_get_selectable_fd(l2->pcap),
174 				 l2_packet_receive, l2, l2->pcap);
249 	struct l2_packet_data *l2;
251 	l2 = os_zalloc(sizeof(struct l2_packet_data));
252 	if (l2 == NULL)
254 	os_strlcpy(l2->ifname, ifname, sizeof(l2->ifname));
255 	l2->rx_callback = rx_callback;
256 	l2->rx_callback_ctx = rx_callback_ctx;
257 	l2->l2_hdr = l2_hdr;
259 	if (eth_get(l2->ifname, l2->own_addr) < 0) {
261 			"interface '%s'.\n", l2->ifname);
262 		os_free(l2);
266 	if (l2_packet_init_libpcap(l2, protocol)) {
267 		os_free(l2);
271 	return l2;
287 void l2_packet_deinit(struct l2_packet_data *l2)
289 	if (l2 != NULL) {
290 		if (l2->pcap) {
292 				pcap_get_selectable_fd(l2->pcap));
293 			pcap_close(l2->pcap);
295 		os_free(l2);
300 int l2_packet_get_ip_addr(struct l2_packet_data *l2, char *buf, size_t len)
314 		if (os_strcmp(dev->name, l2->ifname) != 0)
336 void l2_packet_notify_auth_start(struct l2_packet_data *l2)
341 int l2_packet_set_packet_filter(struct l2_packet_data *l2,