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authorBjörn Töpel <bjorn.topel@intel.com>2020-05-20 21:21:00 +0200
committerAlexei Starovoitov <ast@kernel.org>2020-05-21 17:31:27 -0700
commit0807892ecb35734b7ce6f7c29b078f1b60151c94 (patch)
tree6cea7b5ea63776286d6d7efb3534c12d1f588dd8 /net/xdp/xsk_buff_pool.c
parent39d6443c8daf9fefcfcf89de7ae87240956a0b84 (diff)
downloadlinux-0807892ecb35734b7ce6f7c29b078f1b60151c94.tar.bz2
xsk: Remove MEM_TYPE_ZERO_COPY and corresponding code
There are no users of MEM_TYPE_ZERO_COPY. Remove all corresponding code, including the "handle" member of struct xdp_buff. rfc->v1: Fixed spelling in commit message. (Björn) Signed-off-by: Björn Töpel <bjorn.topel@intel.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Link: https://lore.kernel.org/bpf/20200520192103.355233-13-bjorn.topel@gmail.com
Diffstat (limited to 'net/xdp/xsk_buff_pool.c')
-rw-r--r--net/xdp/xsk_buff_pool.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/net/xdp/xsk_buff_pool.c b/net/xdp/xsk_buff_pool.c
index e214a5795a62..89dae78865e7 100644
--- a/net/xdp/xsk_buff_pool.c
+++ b/net/xdp/xsk_buff_pool.c
@@ -8,6 +8,13 @@
#include "xsk_queue.h"
+/* Masks for xdp_umem_page flags.
+ * The low 12-bits of the addr will be 0 since this is the page address, so we
+ * can use them for flags.
+ */
+#define XSK_NEXT_PG_CONTIG_SHIFT 0
+#define XSK_NEXT_PG_CONTIG_MASK BIT_ULL(XSK_NEXT_PG_CONTIG_SHIFT)
+
struct xsk_buff_pool {
struct xsk_queue *fq;
struct list_head free_list;