Thread (11 messages) 11 messages, 3 authors, 2025-03-25

Re: [PATCH net-next v2 4/7] net: octeontx2: Add metadata support for xdp mode

From: Lorenzo Bianconi <lorenzo@kernel.org>
Date: 2025-03-25 13:28:47
Also in: bpf, linux-hyperv, linux-mediatek, linux-omap, netdev

On Tue, 18 Mar 2025 12:46:08 +0100 Lorenzo Bianconi wrote:
quoted
@@ -1514,13 +1518,14 @@ static bool otx2_xdp_rcv_pkt_handler(struct otx2_nic *pfvf,
 
 	hard_start = (unsigned char *)phys_to_virt(pa);
 	xdp_prepare_buff(&xdp, hard_start, OTX2_HEAD_ROOM,
-			 cqe->sg.seg_size, false);
+			 cqe->sg.seg_size, true);
 
 	act = bpf_prog_run_xdp(prog, &xdp);
 
 handle_xdp_verdict:
 	switch (act) {
 	case XDP_PASS:
+		*metasize = xdp.data - xdp.data_meta;
 		break;
 	case XDP_TX:
 		qidx += pfvf->hw.tx_queues;
This one handles ABORT and invalid return codes as PASS not DROP.
That should probably be fixed separately?
Yes, right. I will post a fix for it.

Regards,
Lorenzo

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