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net: stmmac: Add DW QoS Eth v4/v5 ip payload error statistics

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Add DW QoS Eth v4/v5 ip payload error statistics, and rename descriptor
bit macro because v4/v5 descriptor IPCE bit claims ip checksum
error or TCP/UDP/ICMP segment length error.

Here is bit description from DW QoS Eth data book(Part 19.6.2.2)

bit7 IPCE: IP Payload Error
When this bit is programmed, it indicates either of the following:
1).The 16-bit IP payload checksum (that is, the TCP, UDP, or ICMP
   checksum) calculated by the MAC does not match the corresponding
   checksum field in the received segment.
2).The TCP, UDP, or ICMP segment length does not match the payload
   length value in the IP  Header field.
3).The TCP, UDP, or ICMP segment length is less than minimum allowed
   segment length for TCP, UDP, or ICMP.

Signed-off-by: Minda Chen <minda.chen@starfivetech.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Reviewed-by: Serge Semin <fancer.lancer@gmail.com>
Link: https://patch.msgid.link/20241008111443.81467-1-minda.chen@starfivetech.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Minda Chen 2024-10-08 19:14:43 +08:00 committed by Jakub Kicinski
parent 3a1beabe11
commit 0a316b16a6
2 changed files with 3 additions and 1 deletions
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2
drivers/net/ethernet/stmicro/stmmac/dwmac4_descs.c
View File

@ -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++;

2
drivers/net/ethernet/stmicro/stmmac/dwmac4_descs.h
View File

@ -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)