static int dump_rings(PacketSockEntry *psk, struct packet_sock_desc *sd)
{
if (sd->rx) {
psk->rx_ring = dump_ring(sd->rx);
if (!psk->rx_ring)
return -1;
}
if (sd->tx) {
psk->tx_ring = dump_ring(sd->tx);
if (!psk->tx_ring)
return -1;
}
return 0;
}
static int do_gring(int fd, struct ifreq *ifr)
{
int err;
fprintf(stdout, "Ring parameters for %s:\n", devname);
ering.cmd = ETHTOOL_GRINGPARAM;
ifr->ifr_data = (caddr_t)&ering;
err = ioctl(fd, SIOCETHTOOL, ifr);
if (err == 0) {
err = dump_ring();
if (err)
return err;
} else {
perror("Cannot get device ring settings");
return 76;
}
return 0;
}
