set_phy_ctrl(E1000State *s, int index, uint16_t val)
{
    if ((val & MII_CR_AUTO_NEG_EN) && (val & MII_CR_RESTART_AUTO_NEG)) {
        s->nic->nc.link_down = true;
        e1000_link_down(s);
        s->phy_reg[PHY_STATUS] &= ~MII_SR_AUTONEG_COMPLETE;
        DBGOUT(PHY, "Start link auto negotiation\n");
        qemu_mod_timer(s->autoneg_timer, qemu_get_clock_ms(vm_clock) + 500);
    }
}

set_phy_ctrl(E1000State *s, int index, uint16_t val)
{
    if ((val & MII_CR_AUTO_NEG_EN) && (val & MII_CR_RESTART_AUTO_NEG)) {
        s->nic->nc.link_down = true;
        e1000_link_down(s);
        s->phy_reg[PHY_STATUS] &= ~MII_SR_AUTONEG_COMPLETE;
        DBGOUT(PHY, "Start link auto negotiation\n");
        qemu_mod_timer(s->autoneg_timer, qemu_get_clock_ms(vm_clock) + 500);
    }
}
