[PATCH] bpf: cpumap: report Rx queue index to xdp_rxq_info
From: Ujwal Kundur
Date: Mon Jun 09 2025 - 13:40:09 EST
Refer to the Rx queue using a XDP frame's attached netdev and ascertain
the queue index from it.
Signed-off-by: Ujwal Kundur <ujwal.kundur@xxxxxxxxx>
---
kernel/bpf/cpumap.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/kernel/bpf/cpumap.c b/kernel/bpf/cpumap.c
index 67e8a2fc1a99..8230292deac1 100644
--- a/kernel/bpf/cpumap.c
+++ b/kernel/bpf/cpumap.c
@@ -34,6 +34,7 @@
#include <linux/btf_ids.h>
#include <linux/netdevice.h>
+#include <net/netdev_rx_queue.h>
#include <net/gro.h>
/* General idea: XDP packets getting XDP redirected to another CPU,
@@ -196,7 +197,7 @@ static int cpu_map_bpf_prog_run_xdp(struct bpf_cpu_map_entry *rcpu,
rxq.dev = xdpf->dev_rx;
rxq.mem.type = xdpf->mem_type;
- /* TODO: report queue_index to xdp_rxq_info */
+ rxq.queue_index = get_netdev_rx_queue_index(xdpf->dev_rx->_rx);
xdp_convert_frame_to_buff(xdpf, &xdp);
--
2.20.1