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net: Add function to receive an IP packet from the driver

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After an IP packet has been (reassembled and) received, the driver
submits the IP packet to the IP stack.

Change-Id: Icbd1e7740ce59db16bc1d61002420e86ab101d2d
Signed-off-by: Patrik Flykt <patrik.flykt@linux.intel.com>
Signed-off-by: Jukka Rissanen <jukka.rissanen@linux.intel.com>
This commit is contained in:
Patrik Flykt 2015-05-15 14:41:15 +03:00 • committed by Anas Nashif
commit 29a61aff9c
2 changed files with 18 additions and 1 deletions
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3
include/net/net_core.h
View file

@ -108,6 +108,9 @@ void net_unregister_driver(struct net_driver *drv);
*/
int net_set_mac(uint8_t *mac, uint8_t len);
/* Called by driver when an IP packet has been received */
int net_recv(struct net_buf *buf);
void net_context_init(void);
#endif /* __NET_CORE_H */

16
net/ip/net_init.c
View file

@ -95,6 +95,18 @@ int net_send(struct net_buf *buf)
return 0;
}
/* Called by driver when an IP packet has been received */
int net_recv(struct net_buf *buf)
{
if (buf->len == 0) {
return -ENODATA;
}
nano_fifo_put(&netdev.rx_queue, buf);
return 0;
}
static void udp_packet_receive(struct simple_udp_connection *c,
const uip_ipaddr_t *source_addr,
uint16_t source_port,
@ -263,9 +275,11 @@ static void net_rx_fiber(void)
NET_DBG("Starting RX fiber\n");
while (1) {
/* Wait next packet from network, pass it to IP stack */
/* Wait next packet from network */
buf = nano_fifo_get_wait(&netdev.rx_queue);
/* TBD: Pass it to IP stack */
net_buf_put(buf);
}
}