xsk: Remove MEM_TYPE_ZERO_COPY and corresponding code

[linux-2.6-microblaze.git] / net / xdp / xsk_queue.c

diff --git a/net/xdp/xsk_queue.c b/net/xdp/xsk_queue.c
index 554b1eb..6cf9586 100644 (file)
--- a/net/xdp/xsk_queue.c
+++ b/net/xdp/xsk_queue.c
@@ -10,15 +10,6 @@
 
 #include "xsk_queue.h"
 
-void xskq_set_umem(struct xsk_queue *q, u64 umem_size, u64 chunk_mask)
-{
-       if (!q)
-               return;
-
-       q->umem_size = umem_size;
-       q->chunk_mask = chunk_mask;
-}
-
 static size_t xskq_get_ring_size(struct xsk_queue *q, bool umem_queue)
 {
        struct xdp_umem_ring *umem_ring;
@@ -64,56 +55,3 @@ void xskq_destroy(struct xsk_queue *q)
        page_frag_free(q->ring);
        kfree(q);
 }
-
-struct xdp_umem_fq_reuse *xsk_reuseq_prepare(u32 nentries)
-{
-       struct xdp_umem_fq_reuse *newq;
-
-       /* Check for overflow */
-       if (nentries > (u32)roundup_pow_of_two(nentries))
-               return NULL;
-       nentries = roundup_pow_of_two(nentries);
-
-       newq = kvmalloc(struct_size(newq, handles, nentries), GFP_KERNEL);
-       if (!newq)
-               return NULL;
-       memset(newq, 0, offsetof(typeof(*newq), handles));
-
-       newq->nentries = nentries;
-       return newq;
-}
-EXPORT_SYMBOL_GPL(xsk_reuseq_prepare);
-
-struct xdp_umem_fq_reuse *xsk_reuseq_swap(struct xdp_umem *umem,
-                                         struct xdp_umem_fq_reuse *newq)
-{
-       struct xdp_umem_fq_reuse *oldq = umem->fq_reuse;
-
-       if (!oldq) {
-               umem->fq_reuse = newq;
-               return NULL;
-       }
-
-       if (newq->nentries < oldq->length)
-               return newq;
-
-       memcpy(newq->handles, oldq->handles,
-              array_size(oldq->length, sizeof(u64)));
-       newq->length = oldq->length;
-
-       umem->fq_reuse = newq;
-       return oldq;
-}
-EXPORT_SYMBOL_GPL(xsk_reuseq_swap);
-
-void xsk_reuseq_free(struct xdp_umem_fq_reuse *rq)
-{
-       kvfree(rq);
-}
-EXPORT_SYMBOL_GPL(xsk_reuseq_free);
-
-void xsk_reuseq_destroy(struct xdp_umem *umem)
-{
-       xsk_reuseq_free(umem->fq_reuse);
-       umem->fq_reuse = NULL;
-}