Commit 1058e1a3 authored by Mark Cave-Ayland's avatar Mark Cave-Ayland
Browse files

sunhme: flush any queued packets when HME_MAC_RXCFG_ENABLE bit is raised 



Some client drivers use this bit to pause and resume the driver so make sure
that queued packets are flushed when the MAC is disabled and then reactivated.

Signed-off-by: default avatarMark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
parent 076489c0

hw/net/sunhme.c

+10 −0
Original line number Diff line number Diff line
@@ -373,10 +373,20 @@ static void sunhme_mac_write(void *opaque, hwaddr addr, 
                          uint64_t val, unsigned size)

{

    SunHMEState *s = SUNHME(opaque);

    uint64_t oldval = s->macregs[addr >> 2];



    trace_sunhme_mac_write(addr, val);



    s->macregs[addr >> 2] = val;



    switch (addr) {

    case HME_MACI_RXCFG:

        if (!(oldval & HME_MAC_RXCFG_ENABLE) &&

             (val & HME_MAC_RXCFG_ENABLE)) {

            qemu_flush_queued_packets(qemu_get_queue(s->nic));

        }

        break;

    }

}



static uint64_t sunhme_mac_read(void *opaque, hwaddr addr,