4  * Copyright (c) 2003-2008 Fabrice Bellard
18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
42 #include "qemu/error-report.h"
52     return getmsg(tapfd, NULL, &sbuf, &f) >= 0 ? sbuf.len : -1;  in tap_read_packet()
57  * Allocate TAP device, returns opened fd.
64     int tap_fd, if_fd, ppa = -1;  in tap_alloc()
90         return -1;  in tap_alloc()
93     tap_fd = RETRY_ON_EINTR(open("/dev/tap", O_RDWR, 0));  in tap_alloc()
95         error_setg(errp, "Can't open /dev/tap");  in tap_alloc()
96         return -1;  in tap_alloc()
107     if_fd = RETRY_ON_EINTR(open("/dev/tap", O_RDWR, 0));  in tap_alloc()
109         error_setg(errp, "Can't open /dev/tap (2)");  in tap_alloc()
110         return -1;  in tap_alloc()
114         return -1;  in tap_alloc()
120     snprintf (actual_name, 32, "tap%d", ppa);  in tap_alloc()
140     arp_fd = RETRY_ON_EINTR(open("/dev/tap", O_RDWR, 0));  in tap_alloc()
142         error_report("Can't open %s", "/dev/tap");  in tap_alloc()
154         error_setg(errp, "Can't link TAP device to IP");  in tap_alloc()
155         return -1;  in tap_alloc()
159         error_report("Can't link TAP device to ARP");  in tap_alloc()
175     snprintf(dev, dev_size, "tap%d", ppa);  in tap_alloc()
187         return -1;  in tap_open()
198             return -1;  in tap_open()
205 void tap_set_sndbuf(int fd, const NetdevTapOptions *tap, Error **errp)  in tap_set_sndbuf()  argument
230     return -EINVAL;  in tap_fd_set_vnet_le()
235     return -EINVAL;  in tap_fd_set_vnet_be()
245     return -1;  in tap_fd_enable()
250     return -1;  in tap_fd_disable()
255     return -1;  in tap_fd_get_ifname()
260     return -1;  in tap_fd_set_steering_ebpf()