Merged in antmerlino/nuttx/macnetdev (pull request #976)
mac802154_netdev: Allow 64-bit prefix to be configurable when auto-configuring the IPv6 address during bring-up. Previously, the link-local prefix fe80::/64 was used. Also, put the network in the DOWN state at the end of initialization. Approved-by: Gregory Nutt <gnutt@nuttx.org>
This commit is contained in:
Anthony Merlino
Gregory Nutt
parent
e6da85deb3
commit
70186874e3
@ -164,6 +164,30 @@ config IEEE802154_NETDEV_RECVRPRIO
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the MAC character driver (which should always be lowest priority since
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it is a "catch-all" type receiver).
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config IEEE802154_NETDEV_DEFAULT_PREFIX_0
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hex "IPv6 Prefix 0"
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default 0xfe80
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---help---
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First section of IPv6 Prefix
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config IEEE802154_NETDEV_DEFAULT_PREFIX_1
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hex "IPv6 Prefix 1"
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default 0x0000
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---help---
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Second section of IPv6 Prefix
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config IEEE802154_NETDEV_DEFAULT_PREFIX_2
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hex "IPv6 Prefix 2"
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default 0x0000
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---help---
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Third section of IPv6 Prefix
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config IEEE802154_NETDEV_DEFAULT_PREFIX_3
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hex "IPv6 Prefix 3"
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default 0x0000
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---help---
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Fourth section of IPv6 Prefix
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endif # IEEE802154_NETDEV
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endif # IEEE802154_MACDEV
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@ -173,7 +173,7 @@ struct macnet_driver_s
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/* Utility functions ********************************************************/
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static int macnet_advertise(FAR struct net_driver_s *dev);
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static int macnet_update_nvaddr(FAR struct net_driver_s *dev);
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static inline void macnet_netmask(FAR struct net_driver_s *dev);
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/* IEE802.15.4 MAC callback functions ***************************************/
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@ -240,33 +240,26 @@ static struct sixlowpan_reassbuf_s g_iobuffer;
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****************************************************************************/
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/****************************************************************************
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* Name: macnet_advertise
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* Name: macnet_update_nvaddr
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*
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* Description:
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* Advertise the MAC and IPv6 address for this node.
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*
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* Creates a MAC-based IP address from the IEEE 802.15.14 short or extended
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* address assigned to the node.
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*
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* 128 112 96 80 64 48 32 16
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* ---- ---- ---- ---- ---- ---- ---- ----
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* fe80 0000 0000 0000 0000 00ff fe00 xxxx 2-byte short address IEEE 48-bit MAC
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* fe80 0000 0000 0000 xxxx xxxx xxxx xxxx 8-byte extended address IEEE EUI-64
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*
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****************************************************************************/
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static int macnet_advertise(FAR struct net_driver_s *dev)
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static int macnet_update_nvaddr(FAR struct net_driver_s *dev)
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{
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FAR struct macnet_driver_s *priv;
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union ieee802154_macarg_u arg;
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int ret;
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#ifdef CONFIG_NET_6LOWPAN_EXTENDEDADDR
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uint8_t *eaddr;
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DEBUGASSERT(dev != NULL && dev->d_private != NULL);
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priv = (FAR struct macnet_driver_s *)dev->d_private;
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#ifdef CONFIG_NET_6LOWPAN_EXTENDEDADDR
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uint8_t *eaddr;
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/* Get the eaddr from the MAC */
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arg.getreq.attr = IEEE802154_ATTR_MAC_EADDR;
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@ -295,30 +288,12 @@ static int macnet_advertise(FAR struct net_driver_s *dev)
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dev->d_mac.radio.nv_addr[7] = eaddr[0];
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dev->d_mac.radio.nv_addrlen = IEEE802154_EADDRSIZE;
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/* Set the IP address based on the eaddr */
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dev->d_ipv6addr[0] = HTONS(0xfe80);
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dev->d_ipv6addr[1] = 0;
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dev->d_ipv6addr[2] = 0;
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dev->d_ipv6addr[3] = 0;
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dev->d_ipv6addr[4] = HTONS((uint16_t)eaddr[7] << 8 | (uint16_t)eaddr[6]);
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dev->d_ipv6addr[5] = HTONS((uint16_t)eaddr[5] << 8 | (uint16_t)eaddr[4]);
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dev->d_ipv6addr[6] = HTONS((uint16_t)eaddr[3] << 8 | (uint16_t)eaddr[2]);
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dev->d_ipv6addr[7] = HTONS((uint16_t)eaddr[1] << 8 | (uint16_t)eaddr[0]);
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/* Invert the U/L bit */
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dev->d_ipv6addr[4] ^= HTONS(0x0200);
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return OK;
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}
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#else
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uint8_t *saddr;
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DEBUGASSERT(dev != NULL && dev->d_private != NULL);
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priv = (FAR struct macnet_driver_s *)dev->d_private;
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/* Get the saddr from the MAC */
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arg.getreq.attr = IEEE802154_ATTR_MAC_SADDR;
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@ -341,17 +316,6 @@ static int macnet_advertise(FAR struct net_driver_s *dev)
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dev->d_mac.radio.nv_addr[1] = saddr[0];
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dev->d_mac.radio.nv_addrlen = IEEE802154_SADDRSIZE;
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/* Set the IP address based on the saddr */
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dev->d_ipv6addr[0] = HTONS(0xfe80);
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dev->d_ipv6addr[1] = 0;
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dev->d_ipv6addr[2] = 0;
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dev->d_ipv6addr[3] = 0;
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dev->d_ipv6addr[4] = 0;
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dev->d_ipv6addr[5] = HTONS(0x00ff);
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dev->d_ipv6addr[6] = HTONS(0xfe00);
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dev->d_ipv6addr[7] = HTONS((uint16_t)saddr[1] << 8 | (uint16_t)saddr[0]);
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return OK;
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}
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#endif
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@ -739,8 +703,13 @@ static int macnet_coord_saddr(FAR struct radio_driver_s *radio,
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* Name: macnet_ifup
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*
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* Description:
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* NuttX Callback: Bring up the IEEE 802.15.4 interface when an IP address
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* is provided
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* Creates a MAC-based IP address from the IEEE 802.15.14 short or extended
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* address assigned to the node.
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*
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* 128 112 96 80 64 48 32 16
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* ---- ---- ---- ---- ---- ---- ---- ----
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* fe80 0000 0000 0000 0000 00ff fe00 xxxx 2-byte short address IEEE 48-bit MAC
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* fe80 0000 0000 0000 xxxx xxxx xxxx xxxx 8-byte extended address IEEE EUI-64
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*
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* Input Parameters:
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* dev - Reference to the NuttX driver state structure
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@ -758,11 +727,35 @@ static int macnet_ifup(FAR struct net_driver_s *dev)
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(FAR struct macnet_driver_s *)dev->d_private;
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int ret;
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ret = macnet_update_nvaddr(dev);
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if (ret == OK)
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{
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uint8_t *nvaddr = dev->d_mac.radio.nv_addr;
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/* Set the IP address based on the addressing assigned to the node */
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ret = macnet_advertise(dev);
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if (ret >= 0)
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{
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dev->d_ipv6addr[0] = HTONS(CONFIG_IEEE802154_NETDEV_DEFAULT_PREFIX_0);
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dev->d_ipv6addr[1] = HTONS(CONFIG_IEEE802154_NETDEV_DEFAULT_PREFIX_1);
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dev->d_ipv6addr[2] = HTONS(CONFIG_IEEE802154_NETDEV_DEFAULT_PREFIX_2);
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dev->d_ipv6addr[3] = HTONS(CONFIG_IEEE802154_NETDEV_DEFAULT_PREFIX_3);
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#ifdef CONFIG_NET_6LOWPAN_EXTENDEDADDR
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dev->d_ipv6addr[4] = HTONS((uint16_t)nvaddr[7] << 8 | (uint16_t)nvaddr[6]);
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dev->d_ipv6addr[5] = HTONS((uint16_t)nvaddr[5] << 8 | (uint16_t)nvaddr[4]);
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dev->d_ipv6addr[6] = HTONS((uint16_t)nvaddr[3] << 8 | (uint16_t)nvaddr[2]);
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dev->d_ipv6addr[7] = HTONS((uint16_t)nvaddr[1] << 8 | (uint16_t)nvaddr[0]);
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/* Invert the U/L bit */
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dev->d_ipv6addr[4] ^= HTONS(0x0200);
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#else
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dev->d_ipv6addr[4] = 0;
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dev->d_ipv6addr[5] = HTONS(0x00ff);
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dev->d_ipv6addr[6] = HTONS(0xfe00);
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dev->d_ipv6addr[7] = HTONS((uint16_t)nvaddr[1] << 8 | (uint16_t)nvaddr[0]);
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#endif
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wlinfo("Bringing up: %04x:%04x:%04x:%04x:%04x:%04x:%04x:%04x\n",
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dev->d_ipv6addr[0], dev->d_ipv6addr[1], dev->d_ipv6addr[2],
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dev->d_ipv6addr[3], dev->d_ipv6addr[4], dev->d_ipv6addr[5],
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@ -784,12 +777,12 @@ static int macnet_ifup(FAR struct net_driver_s *dev)
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(void)wd_start(priv->md_txpoll, TXPOLL_WDDELAY, macnet_txpoll_expiry,
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1, (wdparm_t)priv);
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/* The interface is now up */
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priv->md_bifup = true;
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ret = OK;
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}
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/* The interface is now up */
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priv->md_bifup = true;
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return ret;
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}
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@ -1426,7 +1419,26 @@ int mac802154netdev_register(MACHANDLE mac)
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if (ret < 0)
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{
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nerr("ERROR: Failed to bind the MAC callbacks: %d\n", ret);
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goto errout;
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}
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ret = macnet_update_nvaddr(&priv->md_dev.r_dev);
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if (ret < 0)
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{
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nerr("ERROR: Failed updating nvaddr: %d\n", ret);
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goto errout;
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}
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/* Register the device with the OS so that socket IOCTLs can be performed */
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(void)netdev_register(&priv->md_dev.r_dev, NET_LL_IEEE802154);
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/* Put the network in the DOWN state, let the user decide when to bring it up */
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dev->d_flags = IFF_DOWN;
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return macnet_ifdown(&priv->md_dev.r_dev);
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errout:
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/* Release wdog timers */
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wd_delete(priv->md_txpoll);
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@ -1435,16 +1447,6 @@ int mac802154netdev_register(MACHANDLE mac)
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kmm_free(priv);
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return ret;
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}
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/* Put the interface in the down state. */
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macnet_ifdown(dev);
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/* Register the device with the OS so that socket IOCTLs can be performed */
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(void)netdev_register(&priv->md_dev.r_dev, NET_LL_IEEE802154);
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return OK;
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}
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#endif /* CONFIG_NET && CONFIG_NET_skeleton */
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