Commit 9ab0ac0e authored by Subbaraya Sundeep's avatar Subbaraya Sundeep Committed by Paolo Abeni
Browse files

octeontx2-pf: Add tracepoint for NIX_PARSE_S 



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: default avatarSubbaraya Sundeep <sbhatta@marvell.com>
Signed-off-by: default avatarRatheesh Kannoth <rkannoth@marvell.com>
Link: https://patch.msgid.link/1747331048-15347-1-git-send-email-sbhatta@marvell.com


Signed-off-by: default avatarPaolo Abeni <pabeni@redhat.com>
parent 31be641d

drivers/net/ethernet/marvell/octeontx2/af/rvu_trace.c

+1 −0
Original line number Diff line number Diff line
@@ -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);

drivers/net/ethernet/marvell/octeontx2/af/rvu_trace.h

+26 −0
Original line number Diff line number Diff line
@@ -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

drivers/net/ethernet/marvell/octeontx2/nic/otx2_txrx.c

+5 −1
Original line number Diff line number Diff line
@@ -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,