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This commit is contained in:
Gregory Nutt
2017-07-17 07:14:12 -06:00
parent d9a2a3c3f1
commit 799b2d5671
4 changed files with 24 additions and 17 deletions
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net/devif/ipv4_input.c
+5 -4
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@@ -309,10 +309,11 @@ nullreturn:
* Description:
*
* Returned Value:
* OK The packet was processed (or dropped) and can be discarded.
* ERROR There is a matching connection, but could not dispatch the packet
* yet. Currently useful for UDP when a packet arrives before a recv
* call is in place.
* OK - The packet was processed (or dropped) and can be discarded.
* ERROR - Hold the packet and try again later. There is a listening
* socket but no receive in place to catch the packet yet. The
* device's d_len will be set to zero in this case as there is
* no outgoing data.
*
****************************************************************************/
net/devif/ipv6_input.c
+4 -3
View File
@@ -238,9 +238,10 @@ static bool check_destipaddr(FAR struct net_driver_s *dev,
* the IPv6 packet.
* Returned Value:
* OK - The packet was processed (or dropped) and can be discarded.
* ERROR - There is a matching connection, but could not dispatch the
* packet yet. Currently useful for UDP when a packet arrives
* before a recv call is in place.
* ERROR - Hold the packet and try again later. There is a listening
* socket but no receive in place to catch the packet yet. The
* device's d_len will be set to zero in this case as there is
* no outgoing data.
*
* If this function returns to the network driver with dev->d_len > 0,
* that is an indication to the driver that there is an outgoing response