#include <vnet/interface/tx_queue_funcs.h>
#include "af_xdp.h"
+#ifndef XDP_UMEM_MIN_CHUNK_SIZE
+#define XDP_UMEM_MIN_CHUNK_SIZE 2048
+#endif
+
af_xdp_main_t af_xdp_main;
typedef struct
(umem, uword_to_pointer (vm->buffer_main->buffer_mem_start, void *),
vm->buffer_main->buffer_mem_size, fq, cq, &umem_config))
{
+ uword sys_page_size = clib_mem_get_page_size ();
args->rv = VNET_API_ERROR_SYSCALL_ERROR_1;
args->error = clib_error_return_unix (0, "xsk_umem__create() failed");
+ /* this should mimic the Linux kernel net/xdp/xdp_umem.c:xdp_umem_reg()
+ * check */
+ if (umem_config.frame_size < XDP_UMEM_MIN_CHUNK_SIZE ||
+ umem_config.frame_size > sys_page_size)
+ args->error = clib_error_return (
+ args->error,
+ "(unsupported data-size? (should be between %d and %d))",
+ XDP_UMEM_MIN_CHUNK_SIZE - sizeof (vlib_buffer_t),
+ sys_page_size - sizeof (vlib_buffer_t));
goto err0;
}