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IEEE 802.15.4 network driver. Remove support for multicast address filtering; doesn't work that way on an IEEE 802.15.4 network

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This commit is contained in:
Gregory Nutt 2017-05-08 08:34:21 -06:00
parent d785893a65
commit b0b0c7ac49
1 changed files with 9 additions and 88 deletions
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97
wireless/ieee802154/mac802154_netdev.c
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@ -205,9 +205,6 @@ static int macnet_addmac(FAR struct net_driver_s *dev,
static int macnet_rmmac(FAR struct net_driver_s *dev,
FAR const uint8_t *mac);
#endif
#ifdef CONFIG_NET_ICMPv6
static void macnet_ipv6multicast(FAR struct macnet_driver_s *priv);
#endif
#endif
#ifdef CONFIG_NETDEV_IOCTL
static int macnet_ioctl(FAR struct net_driver_s *dev, int cmd,
@ -676,13 +673,7 @@ static int macnet_ifup(FAR struct net_driver_s *dev)
/* Initialize PHYs, the IEEE 802.15.4 interface, and setup up IEEE 802.15.4 interrupts */
#warning Missing logic
/* Instantiate the MAC address from priv->md_dev.i_dev.d_mac.ether_addr_octet */
#ifdef CONFIG_NET_ICMPv6
/* Set up IPv6 multicast address filtering */
macnet_ipv6multicast(priv);
#endif
/* Setup up address filtering */
/* Set and activate a timer process */
@ -840,9 +831,11 @@ static int macnet_addmac(FAR struct net_driver_s *dev, FAR const uint8_t *mac)
{
FAR struct macnet_driver_s *priv = (FAR struct macnet_driver_s *)dev->d_private;
/* Add the MAC address to the hardware multicast routing table */
/* Add the MAC address to the hardware multicast routing table. Not used
* with IEEE 802.15.4 radios.
*/
return OK;
return -ENOSYS;
}
#endif
@ -869,86 +862,14 @@ static int macnet_rmmac(FAR struct net_driver_s *dev, FAR const uint8_t *mac)
{
FAR struct macnet_driver_s *priv = (FAR struct macnet_driver_s *)dev->d_private;
/* Add the MAC address to the hardware multicast routing table */
/* Remove the MAC address from the hardware multicast routing table Not used
* with IEEE 802.15.4 radios.
*/
return OK;
return -ENOSYS;
}
#endif
/****************************************************************************
* Name: macnet_ipv6multicast
*
* Description:
* Configure the IPv6 multicast MAC address.
*
* Parameters:
* priv - A reference to the private driver state structure
*
* Returned Value:
* OK on success; Negated errno on failure.
*
* Assumptions:
*
****************************************************************************/
#ifdef CONFIG_NET_ICMPv6
static void macnet_ipv6multicast(FAR struct macnet_driver_s *priv)
{
FAR struct net_driver_s *dev;
uint16_t tmp16;
uint8_t mac[6];
/* For ICMPv6, we need to add the IPv6 multicast address
*
* For IPv6 multicast addresses, the IEEE 802.15.4 MAC is derived by
* the four low-order octets OR'ed with the MAC 33:33:00:00:00:00,
* so for example the IPv6 address FF02:DEAD:BEEF::1:3 would map
* to the IEEE 802.15.4 MAC address 33:33:00:01:00:03.
*
* NOTES: This appears correct for the ICMPv6 Router Solicitation
* Message, but the ICMPv6 Neighbor Solicitation message seems to
* use 33:33:ff:01:00:03.
*/
mac[0] = 0x33;
mac[1] = 0x33;
dev = &priv->dev;
tmp16 = dev->d_ipv6addr[6];
mac[2] = 0xff;
mac[3] = tmp16 >> 8;
tmp16 = dev->d_ipv6addr[7];
mac[4] = tmp16 & 0xff;
mac[5] = tmp16 >> 8;
ninfo("IPv6 Multicast: %02x:%02x:%02x:%02x:%02x:%02x\n",
mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
(void)macnet_addmac(dev, mac);
#ifdef CONFIG_NET_ICMPv6_AUTOCONF
/* Add the IPv6 all link-local nodes IEEE 802.15.4 address. This is the
* address that we expect to receive ICMPv6 Router Advertisement
* packets.
*/
(void)macnet_addmac(dev, g_ipv6_ethallnodes.ether_addr_octet);
#endif /* CONFIG_NET_ICMPv6_AUTOCONF */
#ifdef CONFIG_NET_ICMPv6_ROUTER
/* Add the IPv6 all link-local routers IEEE 802.15.4 address. This is the
* address that we expect to receive ICMPv6 Router Solicitation
* packets.
*/
(void)macnet_addmac(dev, g_ipv6_ethallrouters.ether_addr_octet);
#endif /* CONFIG_NET_ICMPv6_ROUTER */
}
#endif /* CONFIG_NET_ICMPv6 */
/****************************************************************************
* Name: macnet_ioctl
*