eepro100: Drop nic_can_receive
nic_receive already checks the conditions and drop packets if false.
Due to the new semantics since 6e99c63
("net/socket: Drop
net_socket_can_send"), having .can_receive returning 0 requires us to
explicitly flush the queued packets when the conditions are becoming
true, but queuing the packets when guest driver is not ready doesn't
make much sense.
Signed-off-by: Fam Zheng <famz@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Jason Wang <jasowang@redhat.com>
Message-id: 1436955553-22791-4-git-send-email-famz@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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@ -1617,16 +1617,6 @@ static const MemoryRegionOps eepro100_ops = {
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.endianness = DEVICE_LITTLE_ENDIAN,
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};
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static int nic_can_receive(NetClientState *nc)
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{
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EEPRO100State *s = qemu_get_nic_opaque(nc);
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TRACE(RXTX, logout("%p\n", s));
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return get_ru_state(s) == ru_ready;
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#if 0
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return !eepro100_buffer_full(s);
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#endif
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}
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static ssize_t nic_receive(NetClientState *nc, const uint8_t * buf, size_t size)
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{
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/* TODO:
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@ -1844,7 +1834,6 @@ static void pci_nic_uninit(PCIDevice *pci_dev)
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static NetClientInfo net_eepro100_info = {
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.type = NET_CLIENT_OPTIONS_KIND_NIC,
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.size = sizeof(NICState),
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.can_receive = nic_can_receive,
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.receive = nic_receive,
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};
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