[PATCH RFC 4/4] net: veth: Implement RX queue index XDP hint
From: Mehdi Ben Hadj Khelifa <hidden>
Date: 2025-09-23 20:00:57
Also in:
bpf, linux-kernel-mentees, lkml
Subsystem:
networking drivers, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
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 <redacted> --- 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; } +static int veth_xdp_rx_queue_index(const struct xdp_md *ctx, u32 *queue_index) +{ + const struct veth_xdp_buff *_ctx = (void *)ctx; + + if (!_ctx->xdp.rxq) + return -ENODATA; + + *queue_index = _ctx->xdp.rxq->queue_index; + return 0; +} + static const struct net_device_ops veth_netdev_ops = { .ndo_init = veth_dev_init, .ndo_open = veth_open,
@@ -1717,6 +1728,7 @@ static const struct xdp_metadata_ops veth_xdp_metadata_ops = { .xmo_rx_timestamp = veth_xdp_rx_timestamp, .xmo_rx_hash = veth_xdp_rx_hash, .xmo_rx_vlan_tag = veth_xdp_rx_vlan_tag, + .xmo_rx_queue_index = veth_xdp_rx_queue_index, }; #define VETH_FEATURES (NETIF_F_SG | NETIF_F_FRAGLIST | NETIF_F_HW_CSUM | \
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2.51.0