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set netif->output to etharp_output by default to save a function call

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goldsimon 2007-06-08 22:56:54 +00:00
parent 5c3dfdae68
commit ce18c70557
1 changed files with 4 additions and 27 deletions
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31
ports/c16x/netif/cs8900if.c
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@ -68,7 +68,7 @@
* Function is called from cs8900if_input().
*
* cs8900_output() transfers a packet to the chip for transmission.
* Function is called from cs8900if_output().
* Function is called as netif->linkoutput from etharp_output().
*
* cs8900if_init() initializes the lwIP network interface, and
* calls cs8900_init() to initialize the hardware.
@ -82,8 +82,8 @@
* and then forwards the packet to protocol(s) handler(s).
* Function is called from cs8900_service().
*
* cs8900if_output() resolves the hardware address, then
* calls cs8900_output() to transfer the packet.
* netif->output() resolves the hardware address, then
* calls cs8900_output() (as netif->linkoutput()) to transfer the packet.
* Function is called from lwIP.
*
* Future development:
@ -643,29 +643,6 @@ void cs8900if_service(struct netif *netif)
}
}
/**
* Writing an IP packet (to be transmitted) to the CS8900.
*
* Before writing a frame to the CS8900, the ARP module is asked to resolve the
* Ethernet MAC address. The ARP module might undertake actions to resolve the
* address first, and queue this packet for later transmission.
*
* @param netif The lwIP network interface data structure belonging to this device.
* @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.
*
*/
err_t cs8900if_output(struct netif *netif, struct pbuf *p, struct ip_addr *ipaddr)
{
/* resolve the link destination hardware address */
return etharp_output(netif, ipaddr, p);
}
/**
* Read a received packet from the CS8900.
*
@ -776,7 +753,7 @@ err_t cs8900if_init(struct netif *netif)
netif->name[1] = IFNAME1;
/* downward functions */
netif->output = cs8900if_output;
netif->output = etharp_output;
netif->linkoutput = cs8900_output;
/* initialize cs8900 specific interface state data pointer */