nhc_ghc_udp.c 571 B

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  1. // SPDX-License-Identifier: GPL-2.0-or-later
  2. /*
  3. * 6LoWPAN UDP compression according to RFC7400
  4. */
  5. #include "nhc.h"
  6. #define LOWPAN_GHC_UDP_IDLEN 1
  7. #define LOWPAN_GHC_UDP_ID_0 0xd0
  8. #define LOWPAN_GHC_UDP_MASK_0 0xf8
  9. static void udp_ghid_setup(struct lowpan_nhc *nhc)
  10. {
  11. nhc->id[0] = LOWPAN_GHC_UDP_ID_0;
  12. nhc->idmask[0] = LOWPAN_GHC_UDP_MASK_0;
  13. }
  14. LOWPAN_NHC(ghc_udp, "RFC7400 UDP", NEXTHDR_UDP, 0,
  15. udp_ghid_setup, LOWPAN_GHC_UDP_IDLEN, NULL, NULL);
  16. module_lowpan_nhc(ghc_udp);
  17. MODULE_DESCRIPTION("6LoWPAN generic header UDP compression");
  18. MODULE_LICENSE("GPL");