netdev - [PATCH RFC v1 02/15] mvneta: add XDP frame size to driver

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Date:   Tue, 17 Mar 2020 18:29:17 +0100
From:   Jesper Dangaard Brouer <brouer@...hat.com>
To:     sameehj@...zon.com
Cc:     thomas.petazzoni@...tlin.com,
        Jesper Dangaard Brouer <brouer@...hat.com>,
        netdev@...r.kernel.org, bpf@...r.kernel.org, zorik@...zon.com,
        akiyano@...zon.com, gtzalik@...zon.com,
        Toke Høiland-Jørgensen <toke@...e.dk>,
        Daniel Borkmann <borkmann@...earbox.net>,
        Alexei Starovoitov <alexei.starovoitov@...il.com>,
        John Fastabend <john.fastabend@...il.com>,
        Alexander Duyck <alexander.duyck@...il.com>,
        Jeff Kirsher <jeffrey.t.kirsher@...el.com>,
        David Ahern <dsahern@...il.com>,
        Willem de Bruijn <willemdebruijn.kernel@...il.com>,
        Ilias Apalodimas <ilias.apalodimas@...aro.org>,
        Lorenzo Bianconi <lorenzo@...nel.org>
Subject: [PATCH RFC v1 02/15] mvneta: add XDP frame size to driver

This marvell driver mvneta uses PAGE_SIZE frames, which makes it
really easy to convert.  It also only updated rxq and now frame_sz
once per NAPI call.

Cc: thomas.petazzoni@...tlin.com
Signed-off-by: Jesper Dangaard Brouer <brouer@...hat.com>
---
 drivers/net/ethernet/marvell/mvneta.c |    1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c
index 1c391f63a26f..e6c6524f63a5 100644
--- a/drivers/net/ethernet/marvell/mvneta.c
+++ b/drivers/net/ethernet/marvell/mvneta.c
@@ -2310,6 +2310,7 @@ static int mvneta_rx_swbm(struct napi_struct *napi,
 	rcu_read_lock();
 	xdp_prog = READ_ONCE(pp->xdp_prog);
 	xdp_buf.rxq = &rxq->xdp_rxq;
+	xdp_buf.frame_sz = PAGE_SIZE;
 
 	/* Fairness NAPI loop */
 	while (rx_proc < budget && rx_proc < rx_todo) {