Reorganized firmware/ subdirectory (x300->usrp3, zpu->usrp2)

1 files changed, 0 insertions, 90 deletions

diff --git a/firmware/zpu/lib/arp_cache.c b/firmware/zpu/lib/arp_cache.c
deleted file mode 100644
index 8e14d8f17..000000000
--- a/firmware/zpu/lib/arp_cache.c
+++ /dev/null
@@ -1,90 +0,0 @@
-/* -*- c++ -*- */
-/*
- * Copyright 2009-2011 Ettus Research LLC
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-#include "arp_cache.h"
-#include <stddef.h>
-
-typedef struct {
-  struct ip_addr	ip;
-  eth_mac_addr_t	mac;
-} arp_cache_t;
-
-#define	NENTRIES 8	// power-of-2
-
-static size_t nentries;
-static size_t victim;
-static arp_cache_t cache[NENTRIES];
-
-void
-arp_cache_init(void)
-{
-  nentries = 0;
-  victim = 0;
-}
-
-// returns non-negative index if found, else -1
-static int
-arp_cache_lookup(const struct ip_addr *ip)
-{
-  int i;
-  for (i = 0; i < nentries; i++)
-    if (cache[i].ip.addr == ip->addr)
-      return i;
-
-  return -1;
-}
-
-static int
-arp_cache_alloc(void)
-{
-  if (nentries < NENTRIES)
-    return nentries++;
-
-  int i = victim;
-  victim = (victim + 1) % NENTRIES;
-  return i;
-}
-
-void 
-arp_cache_update(const struct ip_addr *ip,
-		 const eth_mac_addr_t *mac)
-{
-  int i = arp_cache_lookup(ip);
-  if (i < 0){
-    i = arp_cache_alloc();
-    cache[i].ip = *ip;
-    cache[i].mac = *mac;
-  }
-  else {
-    cache[i].mac = *mac;
-  }
-}
-
-bool
-arp_cache_lookup_mac(const struct ip_addr *ip,
-		     eth_mac_addr_t *mac)
-{
-  int i = arp_cache_lookup(ip);
-  if (i < 0)
-    return false;
-
-  *mac = cache[i].mac;
-  return true;
-}