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gnrc_sixlowpan_iphc.c: Updated comments some logic

pr/spi.typo
Martin Elshuber 6 years ago
parent
commit
b582e64b09
  1. 12
      sys/net/gnrc/network_layer/sixlowpan/iphc/gnrc_sixlowpan_iphc.c

12
sys/net/gnrc/network_layer/sixlowpan/iphc/gnrc_sixlowpan_iphc.c

@ -612,16 +612,20 @@ bool gnrc_sixlowpan_iphc_encode(gnrc_pktsnip_t *pkt)
/* check for available contexts */
if (!ipv6_addr_is_unspecified(&(ipv6_hdr->src))) {
src_ctx = gnrc_sixlowpan_ctx_lookup_addr(&(ipv6_hdr->src));
/* do not use for compression if GNRC_SIXLOWPAN_CTX_FLAGS_CID_MASK is not set */
if (!(src_ctx->flags_id & GNRC_SIXLOWPAN_CTX_FLAGS_COMP))
/* do not use source context for compression if */
/* GNRC_SIXLOWPAN_CTX_FLAGS_COMP is not set */
if (src_ctx && !(src_ctx->flags_id & GNRC_SIXLOWPAN_CTX_FLAGS_COMP)) {
src_ctx = NULL;
}
}
if (!ipv6_addr_is_multicast(&ipv6_hdr->dst)) {
dst_ctx = gnrc_sixlowpan_ctx_lookup_addr(&(ipv6_hdr->dst));
/* do not use for compression if GNRC_SIXLOWPAN_CTX_FLAGS_CID_MASK is not set */
if (!(dst_ctx->flags_id & GNRC_SIXLOWPAN_CTX_FLAGS_COMP))
/* do not use destination context for compression if */
/* GNRC_SIXLOWPAN_CTX_FLAGS_COMP is not set */
if (dst_ctx && !(dst_ctx->flags_id & GNRC_SIXLOWPAN_CTX_FLAGS_COMP)) {
dst_ctx = NULL;
}
}
/* if contexts available and both != 0 */

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