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hw/net: Make NetCanReceive() return a boolean

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The NetCanReceive handler return whether the device can or
can not receive new packets. Make it obvious by returning
a boolean type.

Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Acked-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: Jason Wang <jasowang@redhat.com>
This commit is contained in:
Philippe Mathieu-Daudé 2020-03-05 18:56:49 +01:00 • committed by Jason Wang
parent 3317db7439
commit b8c4b67e3e
20 changed files with 45 additions and 48 deletions
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2
net/filter-buffer.c
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@ -74,7 +74,7 @@ static ssize_t filter_buffer_receive_iov(NetFilterState *nf,
* the filter can still accept packets until its internal queue is full.
* For example:
* For some reason, receiver could not receive more packets
* (.can_receive() returns zero). Without a filter, at most one packet
* (.can_receive() returns false). Without a filter, at most one packet
* will be queued in incoming queue and sender's poll will be disabled
* unit its sent_cb() was called. With a filter, it will keep receiving
* the packets without caring about the receiver. This is suboptimal.