diff options
Diffstat (limited to 'net/hub.c')
| -rw-r--r-- | net/hub.c | 27 |
1 files changed, 24 insertions, 3 deletions
@@ -15,6 +15,7 @@ #include "monitor.h" #include "net.h" #include "hub.h" +#include "iov.h" /* * A hub broadcasts incoming packets to all its ports except the source port. @@ -59,16 +60,16 @@ static ssize_t net_hub_receive_iov(NetHub *hub, NetHubPort *source_port, const struct iovec *iov, int iovcnt) { NetHubPort *port; - ssize_t ret = 0; + ssize_t len = iov_size(iov, iovcnt); QLIST_FOREACH(port, &hub->ports, next) { if (port == source_port) { continue; } - ret = qemu_sendv_packet(&port->nc, iov, iovcnt); + qemu_sendv_packet(&port->nc, iov, iovcnt); } - return ret; + return len; } static NetHub *net_hub_new(int id) @@ -85,6 +86,25 @@ static NetHub *net_hub_new(int id) return hub; } +static int net_hub_port_can_receive(NetClientState *nc) +{ + NetHubPort *port; + NetHubPort *src_port = DO_UPCAST(NetHubPort, nc, nc); + NetHub *hub = src_port->hub; + + QLIST_FOREACH(port, &hub->ports, next) { + if (port == src_port) { + continue; + } + + if (!qemu_can_send_packet(&port->nc)) { + return 0; + } + } + + return 1; +} + static ssize_t net_hub_port_receive(NetClientState *nc, const uint8_t *buf, size_t len) { @@ -111,6 +131,7 @@ static void net_hub_port_cleanup(NetClientState *nc) static NetClientInfo net_hub_port_info = { .type = NET_CLIENT_OPTIONS_KIND_HUBPORT, .size = sizeof(NetHubPort), + .can_receive = net_hub_port_can_receive, .receive = net_hub_port_receive, .receive_iov = net_hub_port_receive_iov, .cleanup = net_hub_port_cleanup, |