net/6lowpan/nhc_routing.c

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /*
   3  *      6LoWPAN IPv6 Routing Header compression according to RFC6282
   4  */
   5
   6 #include "nhc.h"
   7
   8 #define LOWPAN_NHC_ROUTING_IDLEN        1
   9 #define LOWPAN_NHC_ROUTING_ID_0         0xe2
  10 #define LOWPAN_NHC_ROUTING_MASK_0       0xfe
  11
  12 static void routing_nhid_setup(struct lowpan_nhc *nhc)
  13 {
  14         nhc->id[0] = LOWPAN_NHC_ROUTING_ID_0;
  15         nhc->idmask[0] = LOWPAN_NHC_ROUTING_MASK_0;
  16 }
  17
  18 LOWPAN_NHC(nhc_routing, "RFC6282 Routing", NEXTHDR_ROUTING, 0,
  19            routing_nhid_setup, LOWPAN_NHC_ROUTING_IDLEN, NULL, NULL);
  20
  21 module_lowpan_nhc(nhc_routing);
  22 MODULE_DESCRIPTION("6LoWPAN next header RFC6282 Routing compression");
  23 MODULE_LICENSE("GPL");