linux-kernel - [PATCH net-next 6/6] net: ti: icssg-prueth: Enable zero copy in XDP features

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Message-ID: <20250818112424.3068643-7-m-malladi@ti.com>
Date: Mon, 18 Aug 2025 16:54:24 +0530
From: Meghana Malladi <m-malladi@...com>
To: <namcao@...utronix.de>, <jacob.e.keller@...el.com>, <m-malladi@...com>,
        <christian.koenig@....com>, <sumit.semwal@...aro.org>,
        <sdf@...ichev.me>, <john.fastabend@...il.com>, <hawk@...nel.org>,
        <daniel@...earbox.net>, <ast@...nel.org>, <pabeni@...hat.com>,
        <kuba@...nel.org>, <edumazet@...gle.com>, <davem@...emloft.net>,
        <andrew+netdev@...n.ch>
CC: <linaro-mm-sig@...ts.linaro.org>, <dri-devel@...ts.freedesktop.org>,
        <linux-media@...r.kernel.org>, <bpf@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <netdev@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>, <srk@...com>,
        Vignesh Raghavendra
	<vigneshr@...com>,
        Roger Quadros <rogerq@...nel.org>, <danishanwar@...com>
Subject: [PATCH net-next 6/6] net: ti: icssg-prueth: Enable zero copy in XDP features

Enable the zero copy feature flag in xdp_set_features_flag()
for a given ndev to get the AF-XDP zero copy support running
for both Tx and Rx.

Signed-off-by: Meghana Malladi <m-malladi@...com>
---
 drivers/net/ethernet/ti/icssg/icssg_prueth.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/ti/icssg/icssg_prueth.c b/drivers/net/ethernet/ti/icssg/icssg_prueth.c
index 7b5de71056ee..64cb21bb9291 100644
--- a/drivers/net/ethernet/ti/icssg/icssg_prueth.c
+++ b/drivers/net/ethernet/ti/icssg/icssg_prueth.c
@@ -1511,7 +1511,8 @@ static int prueth_netdev_init(struct prueth *prueth,
 	xdp_set_features_flag(ndev,
 			      NETDEV_XDP_ACT_BASIC |
 			      NETDEV_XDP_ACT_REDIRECT |
-			      NETDEV_XDP_ACT_NDO_XMIT);
+			      NETDEV_XDP_ACT_NDO_XMIT |
+			      NETDEV_XDP_ACT_XSK_ZEROCOPY);
 
 	netif_napi_add(ndev, &emac->napi_rx, icssg_napi_rx_poll);
 	hrtimer_setup(&emac->rx_hrtimer, &emac_rx_timer_callback, CLOCK_MONOTONIC,
-- 
2.43.0