Changes to use lwip 1.2.0 with Xilinx EDK 9.1 or earlier

Below and at

are the changes to use lwip 1.2.0 with Xilinx EDK 9.1 or earlier It seems the lwip api has changed slightly. I don't have EDK 9.2 so I don't know what version of lwip is included, but EDK 9.1 uses lwip 0.7.2.

Alan Nishioka snipped-for-privacy@nishioka.com

$ diff -Naur xemacif.c-orig xemacif.c

--- xemacif.c-orig 2007-12-18 22:59:57.893585600 -0800

+++ xemacif.c 2007-12-18 12:01:08.242739200 -0800 @@ -305,9 +305,12 @@ struct pbuf *p, struct ip_addr *ipaddr) {

• err_t status;
• XEmacIf_Config *xemacif_ptr = xemacif_ptr = netif_ptr->state;

- p = etharp_output(netif_ptr, ipaddr, p);

• status = etharp_output(netif_ptr, ipaddr, p);
• if( status != ERR_OK ) return status;

if (p != NULL) { /* send the frame */ @@ -329,7 +332,7 @@ struct netif * netif_ptr = (struct netif *) CallBackRef; XEmacIf_Config * xemacif_ptr; struct eth_hdr * ethernet_header;

- struct pbuf *p, *q;

• struct pbuf *p;

xemacif_ptr = netif_ptr->state;

@@ -338,25 +341,19 @@ if (p != NULL) { ethernet_header = p->payload;

- q = NULL; switch (htons(ethernet_header->type)) { case ETHTYPE_IP:

- q = etharp_ip_input(netif_ptr, p);

• etharp_ip_input(netif_ptr, p); pbuf_header(p, -14); netif_ptr->input(p, netif_ptr); break; case ETHTYPE_ARP:

- q = etharp_arp_input(netif_ptr, &(xemacif_ptr->ethaddr), p);

• etharp_arp_input(netif_ptr, &(xemacif_ptr->ethaddr), p); break; default: pbuf_free(p); break; }

-

- if (q != NULL) {

- low_level_output(netif_ptr, q);

- pbuf_free(q);

- } }

return ERR_OK;