[PATCH v1] stmmac: mmc: dwmac4: Add ip payload error statistics

From: Minda Chen
Date: Mon Sep 16 2024 - 06:22:47 EST


Add dwmac4 ip payload error statistics, and rename discripter bit macro
because latest version descriptor IPCE bit claims include ip checksum
error and l4 segment length error.

Signed-off-by: Minda Chen <minda.chen@xxxxxxxxxxxxxxxx>
---
drivers/net/ethernet/stmicro/stmmac/dwmac4_descs.c | 2 ++
drivers/net/ethernet/stmicro/stmmac/dwmac4_descs.h | 2 +-
2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac4_descs.c b/drivers/net/ethernet/stmicro/stmmac/dwmac4_descs.c
index 1c5802e0d7f4..14d9ad146241 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac4_descs.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac4_descs.c
@@ -118,6 +118,8 @@ static int dwmac4_wrback_get_rx_status(struct stmmac_extra_stats *x,
x->ipv4_pkt_rcvd++;
if (rdes1 & RDES1_IPV6_HEADER)
x->ipv6_pkt_rcvd++;
+ if (rdes1 & RDES1_IP_PAYLOAD_ERROR)
+ x->ip_payload_err++;

if (message_type == RDES_EXT_NO_PTP)
x->no_ptp_rx_msg_type_ext++;
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac4_descs.h b/drivers/net/ethernet/stmicro/stmmac/dwmac4_descs.h
index 6da070ccd737..1ce6f43d545a 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac4_descs.h
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac4_descs.h
@@ -95,7 +95,7 @@
#define RDES1_IPV4_HEADER BIT(4)
#define RDES1_IPV6_HEADER BIT(5)
#define RDES1_IP_CSUM_BYPASSED BIT(6)
-#define RDES1_IP_CSUM_ERROR BIT(7)
+#define RDES1_IP_PAYLOAD_ERROR BIT(7)
#define RDES1_PTP_MSG_TYPE_MASK GENMASK(11, 8)
#define RDES1_PTP_PACKET_TYPE BIT(12)
#define RDES1_PTP_VER BIT(13)
--
2.17.1