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Diffstat (limited to 'net/xdp/xsk.c')
-rw-r--r--net/xdp/xsk.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/net/xdp/xsk.c b/net/xdp/xsk.c
index 3f2ab732ab8b..b6c0f08bd80d 100644
--- a/net/xdp/xsk.c
+++ b/net/xdp/xsk.c
@@ -99,6 +99,21 @@ bool xsk_umem_uses_need_wakeup(struct xdp_umem *umem)
}
EXPORT_SYMBOL(xsk_umem_uses_need_wakeup);
+void xp_release(struct xdp_buff_xsk *xskb)
+{
+ xskb->pool->free_heads[xskb->pool->free_heads_cnt++] = xskb;
+}
+
+static u64 xp_get_handle(struct xdp_buff_xsk *xskb)
+{
+ u64 offset = xskb->xdp.data - xskb->xdp.data_hard_start;
+
+ offset += xskb->pool->headroom;
+ if (!xskb->pool->unaligned)
+ return xskb->orig_addr + offset;
+ return xskb->orig_addr + (offset << XSK_UNALIGNED_BUF_OFFSET_SHIFT);
+}
+
static int __xsk_rcv_zc(struct xdp_sock *xs, struct xdp_buff *xdp, u32 len)
{
struct xdp_buff_xsk *xskb = container_of(xdp, struct xdp_buff_xsk, xdp);