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authorPhilippe Mathieu-Daudé <philmd@redhat.com>2020-03-05 18:56:49 +0100
committerJason Wang <jasowang@redhat.com>2020-03-31 21:14:35 +0800
commitb8c4b67e3ec3918a40234e5c56221f780c7856fc (patch)
tree1ca475ca3fe280e0f857cfe1160b52753b53bd72 /net
parent3317db743972f665e2753c75703538d51241350a (diff)
downloadfocaccia-qemu-b8c4b67e3ec3918a40234e5c56221f780c7856fc.tar.gz
focaccia-qemu-b8c4b67e3ec3918a40234e5c56221f780c7856fc.zip
hw/net: Make NetCanReceive() return a boolean
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>
Diffstat (limited to 'net')
-rw-r--r--net/filter-buffer.c2
-rw-r--r--net/hub.c6
2 files changed, 4 insertions, 4 deletions
diff --git a/net/filter-buffer.c b/net/filter-buffer.c
index 88da78f821..12e0254287 100644
--- a/net/filter-buffer.c
+++ b/net/filter-buffer.c
@@ -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.
diff --git a/net/hub.c b/net/hub.c
index 88cfb876f3..1375738bf1 100644
--- a/net/hub.c
+++ b/net/hub.c
@@ -90,7 +90,7 @@ static NetHub *net_hub_new(int id)
     return hub;
 }
 
-static int net_hub_port_can_receive(NetClientState *nc)
+static bool net_hub_port_can_receive(NetClientState *nc)
 {
     NetHubPort *port;
     NetHubPort *src_port = DO_UPCAST(NetHubPort, nc, nc);
@@ -102,11 +102,11 @@ static int net_hub_port_can_receive(NetClientState *nc)
         }
 
         if (qemu_can_send_packet(&port->nc)) {
-            return 1;
+            return true;
         }
     }
 
-    return 0;
+    return false;
 }
 
 static ssize_t net_hub_port_receive(NetClientState *nc,