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cs8900if_output() now returns error codes.

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likewise 2003-11-18 01:32:27 +00:00
parent 85a773067b
commit ca68dbbbae
1 changed files with 8 additions and 3 deletions
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11
ports/c16x/netif/cs8900if.c
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@ -611,6 +611,9 @@ void cs8900if_service(struct netif *netif)
* @param p pbuf to be transmitted (or the first pbuf of a chained list of pbufs).
* @param ipaddr destination IP address.
*
* @return ERR_OK if the packet was sent or queued. There is no way to
* find out if a packet really makes it onto the network link.
*
* @internal It uses the function cs8900_input() that should handle the actual
* reception of bytes from the network interface.
*
@ -618,22 +621,24 @@ void cs8900if_service(struct netif *netif)
err_t cs8900if_output(struct netif *netif, struct pbuf *p, struct ip_addr *ipaddr)
{
struct cs8900if *cs8900if = netif->state;
err_t result;
/* resolve the link destination hardware address */
p = etharp_output(netif, ipaddr, p);
/* network hardware address obtained? */
if (p != NULL)
{
/* send out the packet */
cs8900_output(netif, p);
result = cs8900_output(netif, p);
p = NULL;
}
// { p == NULL }
/* { p == NULL } */
else
{
/* we cannot tell if the packet was sent, the packet could have been queued */
/* on an ARP entry that was already pending. */
return ERR_OK;
}
return ERR_OK;
return result;
}
/**
* Read a received packet from the CS8900.