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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>
This commit is contained in:
Fam Zheng 2015-07-15 18:19:04 +08:00 committed by Stefan Hajnoczi
parent b0ba0b9b6b
commit 363db4b249
1 changed files with 0 additions and 11 deletions
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11
hw/net/eepro100.c
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@ -1617,16 +1617,6 @@ static const MemoryRegionOps eepro100_ops = {
.endianness = DEVICE_LITTLE_ENDIAN,
};
static int nic_can_receive(NetClientState *nc)
{
EEPRO100State *s = qemu_get_nic_opaque(nc);
TRACE(RXTX, logout("%p\n", s));
return get_ru_state(s) == ru_ready;
#if 0
return !eepro100_buffer_full(s);
#endif
}
static ssize_t nic_receive(NetClientState *nc, const uint8_t * buf, size_t size)
{
/* TODO:
@ -1844,7 +1834,6 @@ static void pci_nic_uninit(PCIDevice *pci_dev)
static NetClientInfo net_eepro100_info = {
.type = NET_CLIENT_OPTIONS_KIND_NIC,
.size = sizeof(NICState),
.can_receive = nic_can_receive,
.receive = nic_receive,
};