6loWPAN: Add beginning of some compression hooks to send logic.

This commit is contained in:
Gregory Nutt 2017-03-29 15:44:24 -06:00
parent a6148cdb7c
commit 8083a0437e

View File

@ -204,6 +204,8 @@ static void sixlowpan_compress_ipv6hdr(FAR struct ieee802154_driver_s *ieee,
* Input Parameters:
* dev - The IEEE802.15.4 MAC network driver interface.
* ipv6 - IPv6 plus TCP or UDP headers.
* buf - Data to send
* len - Length of data to send
* raddr - The MAC address of the destination
*
* Returned Value:
@ -217,8 +219,9 @@ static void sixlowpan_compress_ipv6hdr(FAR struct ieee802154_driver_s *ieee,
*
****************************************************************************/
int sixlowpan_send(FAR struct net_driver_s *dev,
FAR const struct ipv6_hdr_s *ipv6, net_ipv6addr_t raddr)
static int sixlowpan_send(FAR struct net_driver_s *dev,
FAR const struct ipv6_hdr_s *ipv6, FAR const void *buf,
size_t len, net_ipv6addr_t raddr)
{
FAR struct ieee802154_driver_s *ieee = (FAR struct ieee802154_driver_s *)dev;
@ -270,6 +273,33 @@ int sixlowpan_send(FAR struct net_driver_s *dev,
* argument raddr is NULL, we are sending a broadcast packet.
*/
#warning Missing logic
ninfo("Sending packet len %d\n", len);
#ifndef CONFIG_NET_6LOWPAN_COMPRESSION_IPv6
if (len >= CONFIG_NET_6LOWPAN_COMPRESSION_THRESHOLD)
{
/* Try to compress the headers */
#if defined(CONFIG_NET_6LOWPAN_COMPRESSION_HC1)
sixlowpan_compresshdr_hc1(dev, &dest);
#elif defined(CONFIG_NET_6LOWPAN_COMPRESSION_HC06)
sixlowpan_compresshdr_hc06(dev, &dest);
#else
# error No compression specified
#endif
}
else
#endif /* !CONFIG_NET_6LOWPAN_COMPRESSION_IPv6 */
{
/* Small.. use IPv6 dispatch (no compression) */
sixlowpan_compress_ipv6hdr(ieee, ipv6);
}
ninfo("Header of len %d\n", ieee->i_rime_hdrlen);
#warning Missing logic
return -ENOSYS;
}
@ -385,7 +415,7 @@ ssize_t psock_6lowpan_tcp_send(FAR struct socket *psock, FAR const void *buf,
*/
ret = sixlowpan_send(dev, (FAR const struct ipv6_hdr_s *)&ipv6tcp,
conn->u.ipv6.raddr);
buf, len, conn->u.ipv6.raddr);
if (ret < 0)
{
nerr("ERROR: sixlowpan_send() failed: %d\n", ret);
@ -503,7 +533,7 @@ ssize_t psock_6lowpan_udp_send(FAR struct socket *psock, FAR const void *buf,
*/
ret = sixlowpan_send(dev, (FAR const struct ipv6_hdr_s *)&ipv6udp,
conn->u.ipv6.raddr);
buf, len, conn->u.ipv6.raddr);
if (ret < 0)
{
nerr("ERROR: sixlowpan_send() failed: %d\n", ret);