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arch/arm/src/lpc54xx: Add some hooks for future 802.1q VLAN support. configs/lpcxpresso-lpc54628: Automatically bring up network in the netnsh configuration.

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This commit is contained in:
Gregory Nutt
2018-01-02 08:48:30 -06:00
parent 1be5d96c6e
commit d04f166d84
4 changed files with 185 additions and 138 deletions
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drivers/net/skeleton.c
+67 -51
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@@ -156,6 +156,7 @@ static int skel_txpoll(FAR struct net_driver_s *dev);
/* Interrupt handling */
static void skel_reply(struct skel_driver_s *priv)
static void skel_receive(FAR struct skel_driver_s *priv);
static void skel_txdone(FAR struct skel_driver_s *priv);
@@ -309,6 +310,63 @@ static int skel_txpoll(FAR struct net_driver_s *dev)
return 0;
}
/****************************************************************************
* Name: skel_reply
*
* Description:
* After a packet has been received and dispatched to the network, it
* may return return with an outgoing packet. This function checks for
* that case and performs the transmission if necessary.
*
* Parameters:
* priv - Reference to the driver state structure
*
* Returned Value:
* None
*
* Assumptions:
* The network is locked.
*
****************************************************************************/
static void skel_reply(struct skel_driver_s *priv)
{
/* If the packet dispatch resulted in data that should be sent out on the
* network, the field d_len will set to a value > 0.
*/
if (priv->sk_dev.d_len > 0)
{
/* Update the Ethernet header with the correct MAC address */
#ifdef CONFIG_NET_IPv4
#ifdef CONFIG_NET_IPv6
/* Check for an outgoing IPv4 packet */
if (IFF_IS_IPv4(priv->sk_dev.d_flags))
#endif
{
arp_out(&priv->sk_dev);
}
#endif
#ifdef CONFIG_NET_IPv6
#ifdef CONFIG_NET_IPv4
/* Otherwise, it must be an outgoing IPv6 packet */
else
#endif
{
neighbor_out(&skel->sk_dev);
}
#endif
/* And send the packet */
skel_transmit(priv);
}
}
/****************************************************************************
* Name: skel_receive
*
@@ -354,38 +412,16 @@ static void skel_receive(FAR struct skel_driver_s *priv)
ninfo("IPv4 frame\n");
NETDEV_RXIPV4(&priv->sk_dev);
/* Handle ARP on input then give the IPv4 packet to the network
* layer
/* Handle ARP on input, then dispatch IPv4 packet to the network
* layer.
*/
arp_ipin(&priv->sk_dev);
ipv4_input(&priv->sk_dev);
/* If the above function invocation resulted in data that should be
* sent out on the network, the field d_len will set to a value > 0.
*/
/* Check for a reply to the IPv4 packet */
if (priv->sk_dev.d_len > 0)
{
/* Update the Ethernet header with the correct MAC address */
#ifdef CONFIG_NET_IPv6
if (IFF_IS_IPv4(priv->sk_dev.d_flags))
#endif
{
arp_out(&priv->sk_dev);
}
#ifdef CONFIG_NET_IPv6
else
{
neighbor_out(&skel->sk_dev);
}
#endif
/* And send the packet */
skel_transmit(priv);
}
skel_reply(priv);
}
else
#endif
@@ -395,41 +431,21 @@ static void skel_receive(FAR struct skel_driver_s *priv)
ninfo("Iv6 frame\n");
NETDEV_RXIPV6(&priv->sk_dev);
/* Give the IPv6 packet to the network layer */
/* Dispatch IPv6 packet to the network layer */
ipv6_input(&priv->sk_dev);
/* If the above function invocation resulted in data that should be
* sent out on the network, the field d_len will set to a value > 0.
*/
/* Check for a reply to the IPv6 packet */
if (priv->sk_dev.d_len > 0)
{
/* Update the Ethernet header with the correct MAC address */
#ifdef CONFIG_NET_IPv4
if (IFF_IS_IPv4(priv->sk_dev.d_flags))
{
arp_out(&priv->sk_dev);
}
else
#endif
#ifdef CONFIG_NET_IPv6
{
neighbor_out(&priv->sk_dev);
}
#endif
/* And send the packet */
skel_transmit(priv);
}
skel_reply(priv);
}
else
#endif
#ifdef CONFIG_NET_ARP
if (BUF->type == htons(ETHTYPE_ARP))
{
/* Dispatch ARP packet to the network layer */
arp_arpin(&priv->sk_dev);
NETDEV_RXARP(&priv->sk_dev);