Commit e83fabb7 authored by Wei Fang's avatar Wei Fang Committed by Jakub Kicinski
Browse files

net: fec: add exception tracing for XDP 



As we already added the exception tracing for XDP_TX, I think it is
necessary to add the exception tracing for other XDP actions, such
as XDP_REDIRECT, XDP_ABORTED and unknown error actions.

Signed-off-by: default avatarWei Fang <wei.fang@nxp.com>
Suggested-by: default avatarJakub Kicinski <kuba@kernel.org>
Reviewed-by: default avatarJacob Keller <jacob.e.keller@intel.com>
Link: https://lore.kernel.org/r/20230822065255.606739-1-wei.fang@nxp.com


Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parent 664c84c2

drivers/net/ethernet/freescale/fec_main.c

+11 −15
Original line number Diff line number Diff line
@@ -1583,25 +1583,18 @@ fec_enet_run_xdp(struct fec_enet_private *fep, struct bpf_prog *prog, 
	case XDP_REDIRECT:

		rxq->stats[RX_XDP_REDIRECT]++;

		err = xdp_do_redirect(fep->netdev, xdp, prog);

		if (!err) {

		if (unlikely(err))

			goto xdp_err;



		ret = FEC_ENET_XDP_REDIR;

		} else {

			ret = FEC_ENET_XDP_CONSUMED;

			page = virt_to_head_page(xdp->data);

			page_pool_put_page(rxq->page_pool, page, sync, true);

		}

		break;



	case XDP_TX:

		err = fec_enet_xdp_tx_xmit(fep, cpu, xdp, sync);

		if (unlikely(err)) {

			ret = FEC_ENET_XDP_CONSUMED;

			page = virt_to_head_page(xdp->data);

			page_pool_put_page(rxq->page_pool, page, sync, true);

			trace_xdp_exception(fep->netdev, prog, act);

		} else {

		if (unlikely(err))

			goto xdp_err;



		ret = FEC_ENET_XDP_TX;

		}

		break;



	default:
@@ -1613,9 +1606,12 @@ fec_enet_run_xdp(struct fec_enet_private *fep, struct bpf_prog *prog, 


	case XDP_DROP:

		rxq->stats[RX_XDP_DROP]++;

xdp_err:

		ret = FEC_ENET_XDP_CONSUMED;

		page = virt_to_head_page(xdp->data);

		page_pool_put_page(rxq->page_pool, page, sync, true);

		if (act != XDP_DROP)

			trace_xdp_exception(fep->netdev, prog, act);

		break;

	}