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-rw-r--r--net/xdp/xsk_buff_pool.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/net/xdp/xsk_buff_pool.c b/net/xdp/xsk_buff_pool.c
index 4f6f538a5462..28711cc44ced 100644
--- a/net/xdp/xsk_buff_pool.c
+++ b/net/xdp/xsk_buff_pool.c
@@ -125,6 +125,18 @@ void xp_set_rxq_info(struct xsk_buff_pool *pool, struct xdp_rxq_info *rxq)
}
EXPORT_SYMBOL(xp_set_rxq_info);
+void xp_fill_cb(struct xsk_buff_pool *pool, struct xsk_cb_desc *desc)
+{
+ u32 i;
+
+ for (i = 0; i < pool->heads_cnt; i++) {
+ struct xdp_buff_xsk *xskb = &pool->heads[i];
+
+ memcpy(xskb->cb + desc->off, desc->src, desc->bytes);
+ }
+}
+EXPORT_SYMBOL(xp_fill_cb);
+
static void xp_disable_drv_zc(struct xsk_buff_pool *pool)
{
struct netdev_bpf bpf;