Hi Edgar,

On 23/11/18 14:54, Edgar E. Iglesias wrote:
> From: "Edgar E. Iglesias" <edgar.igles...@xilinx.com>
> 
> Don't assert on RX descriptor settings when the receiver is
> disabled. This fixes an issue with incoming packets on an
> unused GEM.
> 
> Reported-by: mbilal <muhammad_bi...@mentor.com>
> Signed-off-by: Edgar E. Iglesias <edgar.igles...@xilinx.com>
> ---
>  hw/net/cadence_gem.c | 1 -
>  1 file changed, 1 deletion(-)
> 
> diff --git a/hw/net/cadence_gem.c b/hw/net/cadence_gem.c
> index d95cc27f58..7f63411430 100644
> --- a/hw/net/cadence_gem.c
> +++ b/hw/net/cadence_gem.c
> @@ -979,7 +979,6 @@ static ssize_t gem_receive(NetClientState *nc, const 
> uint8_t *buf, size_t size)
>  
>          /* Do nothing if receive is not enabled. */
>          if (!gem_can_receive(nc)) {
> -            assert(!first_desc);

Maybe worth:

               trace_gem_receive_packet_drop(size);

>              return -1;

Shouldn't this be 'return 0'?

The "net/net.h" doc is scarce...

Regards,

Phil.

>          }
>  
> 

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