53 open_socket(struct interface *iface, int protocol)  in open_socket()  argument
90 	strlcpy(ifr.ifr_name, iface->name, sizeof(ifr.ifr_name));  in open_socket()
97 	if (iface->buffer_size != (size_t)buf_len) {  in open_socket()
98 		free(iface->buffer);  in open_socket()
99 		iface->buffer_size = buf_len;  in open_socket()
100 		iface->buffer = xmalloc(buf_len);  in open_socket()
101 		iface->buffer_len = iface->buffer_pos = 0;  in open_socket()
114 		fdp = &iface->arp_fd;  in open_socket()
118 		fdp = &iface->raw_fd;  in open_socket()
130 	free(iface->buffer);  in open_socket()
131 	iface->buffer = NULL;  in open_socket()
137 send_raw_packet(const struct interface *iface, int protocol,  in send_raw_packet()  argument
152 		fd = iface->arp_fd;  in send_raw_packet()
154 		fd = iface->raw_fd;  in send_raw_packet()
161 get_raw_packet(struct interface *iface, int protocol,  in get_raw_packet()  argument
170 		fd = iface->arp_fd;  in get_raw_packet()
172 		fd = iface->raw_fd;  in get_raw_packet()
175 		if (iface->buffer_len == 0) {  in get_raw_packet()
176 			bytes = rump_sys_read(fd, iface->buffer, iface->buffer_size);  in get_raw_packet()
181 			iface->buffer_len = bytes;  in get_raw_packet()
182 			iface->buffer_pos = 0;  in get_raw_packet()
185 		memcpy(&packet, iface->buffer + iface->buffer_pos,  in get_raw_packet()
189 		if (iface->buffer_pos + packet.bh_caplen + packet.bh_hdrlen >  in get_raw_packet()
190 		    iface->buffer_len)  in get_raw_packet()
192 		payload = iface->buffer + packet.bh_hdrlen + ETHER_HDR_LEN;  in get_raw_packet()
198 		iface->buffer_pos += BPF_WORDALIGN(packet.bh_hdrlen +  in get_raw_packet()
200 		if (iface->buffer_pos >= iface->buffer_len)  in get_raw_packet()
201 			iface->buffer_len = iface->buffer_pos = 0;  in get_raw_packet()