linux-kernel - [PATCH net-next 2/3] igc: use XDP helpers

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Date:   Fri, 14 May 2021 20:39:53 +0200
From:   Matteo Croce <mcroce@...ux.microsoft.com>
To:     netdev@...r.kernel.org, bpf@...r.kernel.org,
        intel-wired-lan@...ts.osuosl.org,
        linux-stm32@...md-mailman.stormreply.com, kvm@...r.kernel.org,
        virtualization@...ts.linux-foundation.org
Cc:     linux-kernel@...r.kernel.org,
        Jesse Brandeburg <jesse.brandeburg@...el.com>,
        Tony Nguyen <anthony.l.nguyen@...el.com>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Giuseppe Cavallaro <peppe.cavallaro@...com>,
        Alexandre Torgue <alexandre.torgue@...s.st.com>,
        "Michael S. Tsirkin" <mst@...hat.com>,
        Jason Wang <jasowang@...hat.com>
Subject: [PATCH net-next 2/3] igc: use XDP helpers

From: Matteo Croce <mcroce@...rosoft.com>

Make use of the xdp_{init,prepare}_buff() helpers instead of
an open-coded version.

Signed-off-by: Matteo Croce <mcroce@...rosoft.com>
---
 drivers/net/ethernet/intel/igc/igc_main.c | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/drivers/net/ethernet/intel/igc/igc_main.c b/drivers/net/ethernet/intel/igc/igc_main.c
index 069471b7ffb0..92c0701e2a36 100644
--- a/drivers/net/ethernet/intel/igc/igc_main.c
+++ b/drivers/net/ethernet/intel/igc/igc_main.c
@@ -2151,12 +2151,9 @@ static int igc_clean_rx_irq(struct igc_q_vector *q_vector, const int budget)
 		}
 
 		if (!skb) {
-			xdp.data = pktbuf + pkt_offset;
-			xdp.data_end = xdp.data + size;
-			xdp.data_hard_start = pktbuf - igc_rx_offset(rx_ring);
-			xdp_set_data_meta_invalid(&xdp);
-			xdp.frame_sz = truesize;
-			xdp.rxq = &rx_ring->xdp_rxq;
+			xdp_init_buff(&xdp, truesize, &rx_ring->xdp_rxq);
+			xdp_prepare_buff(&xdp, pktbuf - igc_rx_offset(rx_ring),
+					 igc_rx_offset(rx_ring) + pkt_offset, size, false);
 
 			skb = igc_xdp_run_prog(adapter, &xdp);
 		}
-- 
2.31.1