Message ID | 86e51313e110b8e9b458fe893b250ae6d6c56559.1385967754.git.peter.crosthwaite@xilinx.com |
---|---|
State | New |
Headers | show |
On 2 December 2013 07:12, Peter Crosthwaite <peter.crosthwaite@xilinx.com> wrote: > Bit 27 of the RX buffer desc word 1 should be set when the packet was > accepted due to specific address register match. Implement. > > This feature is absent from the Xilinx documentation (UG585) but the > behaviour is tested as accurate on real hardware. > > Reported-by: Deepika Dhamija <deepika@xilinx.com> > Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> -- PMM
diff --git a/hw/net/cadence_gem.c b/hw/net/cadence_gem.c index 4fbfb8d..6f11d6a 100644 --- a/hw/net/cadence_gem.c +++ b/hw/net/cadence_gem.c @@ -243,6 +243,7 @@ #define R_DESC_1_RX_SAR_SHIFT 25 #define R_DESC_1_RX_SAR_LENGTH 2 +#define R_DESC_1_RX_SAR_MATCH (1 << 27) #define R_DESC_1_RX_UNICAST_HASH (1 << 29) #define R_DESC_1_RX_MULTICAST_HASH (1 << 30) #define R_DESC_1_RX_BROADCAST (1 << 31) @@ -345,6 +346,7 @@ static inline void rx_desc_set_sar(unsigned *desc, int sar_idx) { desc[1] = deposit32(desc[1], R_DESC_1_RX_SAR_SHIFT, R_DESC_1_RX_SAR_LENGTH, sar_idx); + desc[1] |= R_DESC_1_RX_SAR_MATCH; } #define TYPE_CADENCE_GEM "cadence_gem"
Bit 27 of the RX buffer desc word 1 should be set when the packet was accepted due to specific address register match. Implement. This feature is absent from the Xilinx documentation (UG585) but the behaviour is tested as accurate on real hardware. Reported-by: Deepika Dhamija <deepika@xilinx.com> Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com> --- hw/net/cadence_gem.c | 2 ++ 1 file changed, 2 insertions(+)