ceph/src/seastar/dpdk/lib/librte_ipsec/misc.h

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2018 Intel Corporation
   3  */
   4
   5 #ifndef _MISC_H_
   6 #define _MISC_H_
   7
   8 /**
   9  * @file misc.h
  10  * Contains miscellaneous functions/structures/macros used internally
  11  * by ipsec library.
  12  */
  13
  14 /*
  15  * Move bad (unprocessed) mbufs beyond the good (processed) ones.
  16  * bad_idx[] contains the indexes of bad mbufs inside the mb[].
  17  */
  18 static inline void
  19 move_bad_mbufs(struct rte_mbuf *mb[], const uint32_t bad_idx[], uint32_t nb_mb,
  20         uint32_t nb_bad)
  21 {
  22         uint32_t i, j, k;
  23         struct rte_mbuf *drb[nb_bad];
  24
  25         j = 0;
  26         k = 0;
  27
  28         /* copy bad ones into a temp place */
  29         for (i = 0; i != nb_mb; i++) {
  30                 if (j != nb_bad && i == bad_idx[j])
  31                         drb[j++] = mb[i];
  32                 else
  33                         mb[k++] = mb[i];
  34         }
  35
  36         /* copy bad ones after the good ones */
  37         for (i = 0; i != nb_bad; i++)
  38                 mb[k + i] = drb[i];
  39 }
  40
  41 #endif /* _MISC_H_ */