Update multi-buffer bit (mb) in xdp_buff to notify XDP/eBPF layer and
XDP remote drivers if this is a "non-linear" XDP buffer
Signed-off-by: Lorenzo Bianconi <lorenzo@xxxxxxxxxx>
---
drivers/net/ethernet/marvell/mvneta.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c
index 832bbb8b05c8..36a3defa63fa 100644
--- a/drivers/net/ethernet/marvell/mvneta.c
+++ b/drivers/net/ethernet/marvell/mvneta.c
@@ -2170,11 +2170,14 @@ mvneta_run_xdp(struct mvneta_port *pp, struct mvneta_rx_queue *rxq,
struct bpf_prog *prog, struct xdp_buff *xdp,
u32 frame_sz, struct mvneta_stats *stats)
{
+ struct skb_shared_info *sinfo = xdp_get_shared_info_from_buff(xdp);
unsigned int len, data_len, sync;
u32 ret, act;
len = xdp->data_end - xdp->data_hard_start - pp->rx_offset_correction;
data_len = xdp->data_end - xdp->data;
+
+ xdp->mb = !!sinfo->nr_frags;
act = bpf_prog_run_xdp(prog, xdp);
/* Due xdp_adjust_tail: DMA sync for_device cover max len CPU touch */
--
2.26.2
