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Tue, 23 Sep 2025 13:00:55 -0700 (PDT) From: Mehdi Ben Hadj Khelifa To: davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, donald.hunter@gmail.com, andrew+netdev@lunn.ch, ast@kernel.org, daniel@iogearbox.net, hawk@kernel.org, john.fastabend@gmail.com, matttbe@kernel.org, chuck.lever@oracle.com, jdamato@fastly.com, skhawaja@google.com, dw@davidwei.uk, mkarsten@uwaterloo.ca, yoong.siang.song@intel.com, david.hunter.linux@gmail.com, skhan@linuxfoundation.org Cc: horms@kernel.org, sdf@fomichev.me, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, bpf@vger.kernel.org, linux-kernel-mentees@lists.linuxfoundation.org, Mehdi Ben Hadj Khelifa Subject: [PATCH RFC 4/4] net: veth: Implement RX queue index XDP hint Date: Tue, 23 Sep 2025 22:00:15 +0100 Message-ID: <20250923210026.3870-5-mehdi.benhadjkhelifa@gmail.com> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20250923210026.3870-1-mehdi.benhadjkhelifa@gmail.com> References: <20250923210026.3870-1-mehdi.benhadjkhelifa@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Implement xmo_rx_queue_index callback in veth driver to export queue_index for use in eBPF programs. Signed-off-by: Mehdi Ben Hadj Khelifa --- drivers/net/veth.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/drivers/net/veth.c b/drivers/net/veth.c index a3046142cb8e..be76dd292819 100644 --- a/drivers/net/veth.c +++ b/drivers/net/veth.c @@ -1692,6 +1692,17 @@ static int veth_xdp_rx_vlan_tag(const struct xdp_md = *ctx, __be16 *vlan_proto, return err; } =20 +static int veth_xdp_rx_queue_index(const struct xdp_md *ctx, u32 *queue_in= dex) +{ + const struct veth_xdp_buff *_ctx =3D (void *)ctx; + + if (!_ctx->xdp.rxq) + return -ENODATA; + + *queue_index =3D _ctx->xdp.rxq->queue_index; + return 0; +} + static const struct net_device_ops veth_netdev_ops =3D { .ndo_init =3D veth_dev_init, .ndo_open =3D veth_open, @@ -1717,6 +1728,7 @@ static const struct xdp_metadata_ops veth_xdp_metadat= a_ops =3D { .xmo_rx_timestamp =3D veth_xdp_rx_timestamp, .xmo_rx_hash =3D veth_xdp_rx_hash, .xmo_rx_vlan_tag =3D veth_xdp_rx_vlan_tag, + .xmo_rx_queue_index =3D veth_xdp_rx_queue_index, }; =20 #define VETH_FEATURES (NETIF_F_SG | NETIF_F_FRAGLIST | NETIF_F_HW_CSUM | \ --=20 2.51.0