From 0ed4fd6741426a86e49ff22303a2d469fbdc8c23 Mon Sep 17 00:00:00 2001
From: likewise <likewise>
Date: Thu, 28 Nov 2002 15:03:07 +0000
Subject: [PATCH] Documented ( *output)() and ( *linkoutput)() better for
 upcoming ARP changes.

---
 src/include/lwip/netif.h | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/include/lwip/netif.h b/src/include/lwip/netif.h
index ab64a58f..662d651f 100644
--- a/src/include/lwip/netif.h
+++ b/src/include/lwip/netif.h
@@ -60,9 +60,13 @@ struct netif {
 
   char name[2];
   /* This function is called by the IP module when it wants
-     to send a packet on the interface. */
+     to send a packet on the interface. This function typically
+     first resolves the hardware address, then sends the packet. */
   err_t (* output)(struct netif *netif, struct pbuf *p,
 		   struct ip_addr *ipaddr);
+  /* This function is called by the ARP module when it wants
+     to send a packet on the interface. This function outputs
+     the pbuf on the link medium. */
   err_t (* linkoutput)(struct netif *netif, struct pbuf *p);
 
   /* This field can be set bu the device driver and could point