[PATCH net-next 2/3] net: xilinx: axienet: Report RxRject as rx_dropped

Sean Anderson
2024-06-10T23:10:35Z

The Receive Frame Rejected interrupt is asserted whenever there was a
receive error (bad FCS, bad length, etc.) or whenever the frame was
dropped due to a mismatched address. So this is really a combination of
rx_otherhost_dropped, rx_length_errors, rx_frame_errors, and
rx_crc_errors. Mismatched addresses are common and aren't really errors
at all (much like how fragments are normal on half-duplex links). To
avoid confusion, report these events as rx_dropped. This better
reflects what's going on: the packet was received by the MAC but dropped
before being processed.

Signed-off-by: Sean Anderson <sean.anderson@linux.dev>
---

drivers/net/ethernet/xilinx/xilinx_axienet_main.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/xilinx/xilinx_axienet_main.c b/drivers/net/ethernet/xilinx/xilinx_axienet_main.c
index 5f98daa5b341..cf8908794409 100644
--- a/drivers/net/ethernet/xilinx/xilinx_axienet_main.c
+++ b/drivers/net/ethernet/xilinx/xilinx_axienet_main.c
@@ -1296,7 +1296,7 @@ static irqreturn_t axienet_eth_irq(int irq, void *_ndev)
ndev->stats.rx_missed_errors++;

if (pending & XAE_INT_RXRJECT_MASK)
- ndev->stats.rx_frame_errors++;
+ ndev->stats.rx_dropped++;

axienet_iow(lp, XAE_IS_OFFSET, pending);
return IRQ_HANDLED;
--
2.35.1.1320.gc452695387.dirty