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octeontx2-pf: Add tracepoint for NIX_PARSE_S

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The NIX_PARSE_S structure populated by hardware in the
NIX RX CQE has parsing information for the received packet.
A tracepoint to dump the all words of NIX_PARSE_S
is helpful in debugging packet parser.

Signed-off-by: Subbaraya Sundeep <sbhatta@marvell.com>
Signed-off-by: Ratheesh Kannoth <rkannoth@marvell.com>
Link: https://patch.msgid.link/1747331048-15347-1-git-send-email-sbhatta@marvell.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
This commit is contained in:
Subbaraya Sundeep
2025-05-15 23:14:08 +05:30
committed by Paolo Abeni
parent 31be641d74
commit 9ab0ac0e53
3 changed files with 32 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
drivers/net/ethernet/marvell/octeontx2/af/rvu_trace.c
View File

@@ -12,3 +12,4 @@ EXPORT_TRACEPOINT_SYMBOL(otx2_msg_alloc);
EXPORT_TRACEPOINT_SYMBOL(otx2_msg_interrupt);
EXPORT_TRACEPOINT_SYMBOL(otx2_msg_process);
EXPORT_TRACEPOINT_SYMBOL(otx2_msg_status);
EXPORT_TRACEPOINT_SYMBOL(otx2_parse_dump);

26
drivers/net/ethernet/marvell/octeontx2/af/rvu_trace.h
View File

@@ -133,6 +133,32 @@ TRACE_EVENT(otx2_msg_status,
__get_str(str), __entry->num_msgs)
);
TRACE_EVENT(otx2_parse_dump,
TP_PROTO(const struct pci_dev *pdev, char *msg, u64 *word),
TP_ARGS(pdev, msg, word),
TP_STRUCT__entry(__string(dev, pci_name(pdev))
__string(str, msg)
__field(u64, w0)
__field(u64, w1)
__field(u64, w2)
__field(u64, w3)
__field(u64, w4)
__field(u64, w5)
),
TP_fast_assign(__assign_str(dev);
__assign_str(str);
__entry->w0 = *(word + 0);
__entry->w1 = *(word + 1);
__entry->w2 = *(word + 2);
__entry->w3 = *(word + 3);
__entry->w4 = *(word + 4);
__entry->w5 = *(word + 5);
),
TP_printk("[%s] nix parse %s W0:%#llx W1:%#llx W2:%#llx W3:%#llx W4:%#llx W5:%#llx\n",
__get_str(dev), __get_str(str), __entry->w0, __entry->w1, __entry->w2,
__entry->w3, __entry->w4, __entry->w5)
);
#endif /* __RVU_TRACE_H */
#undef TRACE_INCLUDE_PATH

6
drivers/net/ethernet/marvell/octeontx2/nic/otx2_txrx.c
View File

@@ -335,6 +335,7 @@ static void otx2_rcv_pkt_handler(struct otx2_nic *pfvf,
struct nix_rx_parse_s *parse = &cqe->parse;
struct nix_rx_sg_s *sg = &cqe->sg;
struct sk_buff *skb = NULL;
u64 *word = (u64 *)parse;
void *end, *start;
u32 metasize = 0;
u64 *seg_addr;
@@ -342,9 +343,12 @@ static void otx2_rcv_pkt_handler(struct otx2_nic *pfvf,
int seg;
if (unlikely(parse->errlev || parse->errcode)) {
if (otx2_check_rcv_errors(pfvf, cqe, cq->cq_idx))
if (otx2_check_rcv_errors(pfvf, cqe, cq->cq_idx)) {
trace_otx2_parse_dump(pfvf->pdev, "Err:", word);
return;
}
}
trace_otx2_parse_dump(pfvf->pdev, "", word);
if (pfvf->xdp_prog)
if (otx2_xdp_rcv_pkt_handler(pfvf, pfvf->xdp_prog, cqe, cq,