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6lowpan: fix compiling with !LWIP_UDP

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This commit is contained in:
goldsimon 2017-05-05 09:19:02 +02:00
parent 5967380c20
commit 749e078d36
1 changed files with 12 additions and 2 deletions
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14
src/netif/lowpan6.c
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@ -413,6 +413,7 @@ lowpan6_frag(struct netif *netif, struct pbuf *p, const struct ieee_802154_addr
/* Move to payload. */
pbuf_header(p, -IP6_HLEN);
#if LWIP_UDP
/* Compress UDP header? */
if (IP6H_NEXTH(ip6hdr) == IP6_NEXTH_UDP) {
/* @todo support optional checksum compression */
@ -452,6 +453,7 @@ lowpan6_frag(struct netif *netif, struct pbuf *p, const struct ieee_802154_addr
pbuf_header(p, -UDP_HLEN);
}
#endif /* LWIP_UDP */
}
#else /* LWIP_6LOWPAN_HC */
@ -698,8 +700,13 @@ lowpan6_decompress(struct pbuf * p, struct ieee_802154_addr * src, struct ieee_8
s8_t i;
s8_t ip6_offset = IP6_HLEN;
#if LWIP_UDP
#define UDP_HLEN_ALLOC UDP_HLEN
#else
#define UDP_HLEN_ALLOC 0
#endif
q = pbuf_alloc(PBUF_IP, p->len + IP6_HLEN + UDP_HLEN, PBUF_POOL);
q = pbuf_alloc(PBUF_IP, p->len + IP6_HLEN + UDP_HLEN_ALLOC, PBUF_POOL);
if (q == NULL) {
pbuf_free(p);
return NULL;
@ -904,6 +911,7 @@ lowpan6_decompress(struct pbuf * p, struct ieee_802154_addr * src, struct ieee_8
/* Next Header Compression (NHC) decoding? */
if (lowpan6_buffer[0] & 0x04) {
#if LWIP_UDP
if ((lowpan6_buffer[lowpan6_offset] & 0xf8) == 0xf0) {
struct udp_hdr *udphdr;
@ -943,7 +951,9 @@ lowpan6_decompress(struct pbuf * p, struct ieee_802154_addr * src, struct ieee_8
udphdr->len = lwip_htons(p->tot_len - lowpan6_offset + UDP_HLEN);
ip6_offset += UDP_HLEN;
} else {
} else
#endif /* LWIP_UDP */
{
/* @todo support NHC other than UDP */
pbuf_free(p);
pbuf_free(q);