Lines Matching defs:l2
50 int l2_packet_get_own_addr(struct l2_packet_data *l2, u8 *addr)
52 os_memcpy(addr, l2->own_addr, ETH_ALEN);
57 int l2_packet_send(struct l2_packet_data *l2, const u8 *dst_addr, u16 proto,
60 if (!l2->l2_hdr) {
66 os_memcpy(eth->h_source, l2->own_addr, ETH_ALEN);
69 ret = pcap_inject(l2->pcap, (u8 *) eth, len + sizeof(*eth));
73 return pcap_inject(l2->pcap, buf, len);
79 struct l2_packet_data *l2 = eloop_ctx;
93 if (l2->l2_hdr) {
100 l2->rx_callback(l2->rx_callback_ctx, ethhdr->h_source, buf, len);
104 static int l2_packet_init_libpcap(struct l2_packet_data *l2,
111 pcap_lookupnet(l2->ifname, &pcap_netp, &pcap_maskp, pcap_err);
112 l2->pcap = pcap_open_live(l2->ifname, 2500, 0, 10, pcap_err);
113 if (l2->pcap == NULL) {
115 fprintf(stderr, "ifname='%s'\n", l2->ifname);
118 if (pcap_datalink(l2->pcap) != DLT_EN10MB &&
119 pcap_set_datalink(l2->pcap, DLT_EN10MB) < 0) {
121 pcap_geterr(l2->pcap));
128 MAC2STR(l2->own_addr), /* do not receive own packets */
129 MAC2STR(l2->own_addr), MAC2STR(pae_group_addr),
131 if (pcap_compile(l2->pcap, &pcap_fp, pcap_filter, 1, pcap_netp) < 0) {
132 fprintf(stderr, "pcap_compile: %s\n", pcap_geterr(l2->pcap));
136 if (pcap_setfilter(l2->pcap, &pcap_fp) < 0) {
137 fprintf(stderr, "pcap_setfilter: %s\n", pcap_geterr(l2->pcap));
149 if (ioctl(pcap_fileno(l2->pcap), BIOCIMMEDIATE, &on) < 0) {
152 __func__, l2->ifname, strerror(errno));
157 eloop_register_read_sock(pcap_get_selectable_fd(l2->pcap),
158 l2_packet_receive, l2, l2->pcap);
208 struct l2_packet_data *l2;
210 l2 = os_zalloc(sizeof(struct l2_packet_data));
211 if (l2 == NULL)
213 os_strlcpy(l2->ifname, ifname, sizeof(l2->ifname));
214 l2->rx_callback = rx_callback;
215 l2->rx_callback_ctx = rx_callback_ctx;
216 l2->l2_hdr = l2_hdr;
218 if (eth_get(l2->ifname, l2->own_addr) < 0) {
220 "interface '%s'.\n", l2->ifname);
221 os_free(l2);
225 if (l2_packet_init_libpcap(l2, protocol)) {
226 os_free(l2);
230 return l2;
234 void l2_packet_deinit(struct l2_packet_data *l2)
236 if (l2 != NULL) {
237 if (l2->pcap) {
239 pcap_get_selectable_fd(l2->pcap));
240 pcap_close(l2->pcap);
242 os_free(l2);
247 int l2_packet_get_ip_addr(struct l2_packet_data *l2, char *buf, size_t len)
261 if (os_strcmp(dev->name, l2->ifname) != 0)
283 void l2_packet_notify_auth_start(struct l2_packet_data *l2)