[Qemu-devel] [PATCH arm-devs v2 01/14] net/cadence_gem: Implement mac level loopback mode

[Peter Crosthwaite]

Cadence GEM has a MAC level loopback mode. Implement. Use the same basic
operation as the already implemented PHY loopback.

Reported-by: Deepika Dhamija <address@hidden>
Signed-off-by: Peter Crosthwaite <address@hidden>
Reviewed-by: Peter Maydell <address@hidden>
---

 hw/net/cadence_gem.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/hw/net/cadence_gem.c b/hw/net/cadence_gem.c
index 4a355bb..a31801d 100644
--- a/hw/net/cadence_gem.c
+++ b/hw/net/cadence_gem.c
@@ -893,7 +893,7 @@ static void gem_transmit(GemState *s)
             gem_transmit_updatestats(s, tx_packet, total_bytes);
 
             /* Send the packet somewhere */
-            if (s->phy_loop) {
+            if (s->phy_loop || (s->regs[GEM_NWCTRL] & GEM_NWCTRL_LOCALLOOP)) {
                 gem_receive(qemu_get_queue(s->nic), tx_packet, total_bytes);
             } else {
                 qemu_send_packet(qemu_get_queue(s->nic), tx_packet,
-- 
1.8.4.4