/** @file\r
-\r
-Copyright (c) 2005 - 2006, Intel Corporation\r
-All rights reserved. This program and the accompanying materials\r
-are licensed and made available under the terms and conditions of the BSD License\r
-which accompanies this distribution. The full text of the license may be found at\r
-http://opensource.org/licenses/bsd-license.php\r
-\r
-THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
-WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
-\r
-\r
-Module Name:\r
-\r
- Ip4Route.h\r
-\r
-Abstract:\r
-\r
EFI IP4 route table and route cache table defintions.\r
\r
+Copyright (c) 2005 - 2018, Intel Corporation. All rights reserved.<BR>\r
+SPDX-License-Identifier: BSD-2-Clause-Patent\r
\r
**/\r
\r
\r
#include "Ip4Common.h"\r
\r
-typedef enum {\r
- IP4_DIRECT_ROUTE = 0x00000001,\r
+#define IP4_DIRECT_ROUTE 0x00000001\r
\r
- IP4_ROUTE_CACHE_HASH = 31,\r
- IP4_ROUTE_CACHE_MAX = 64 // Max NO. of cache entry per hash bucket\r
-} IP4_ROUTE_ENUM_TYPES;\r
+#define IP4_ROUTE_CACHE_HASH_VALUE 31\r
+#define IP4_ROUTE_CACHE_MAX 64 // Max NO. of cache entry per hash bucket\r
\r
-#define IP4_ROUTE_CACHE_HASH(Dst, Src) (((Dst) ^ (Src)) % IP4_ROUTE_CACHE_HASH)\r
+#define IP4_ROUTE_CACHE_HASH(Dst, Src) (((Dst) ^ (Src)) % IP4_ROUTE_CACHE_HASH_VALUE)\r
\r
///\r
/// The route entry in the route table. Dest/Netmask is the destion\r
/// detach them later.\r
///\r
typedef struct {\r
- LIST_ENTRY CacheBucket[IP4_ROUTE_CACHE_HASH];\r
+ LIST_ENTRY CacheBucket[IP4_ROUTE_CACHE_HASH_VALUE];\r
} IP4_ROUTE_CACHE;\r
\r
///\r
Free the route table and its associated route cache. Route\r
table is reference counted.\r
\r
- @param RtTable The route table to free.\r
-\r
- @return None\r
+ @param[in] RtTable The route table to free.\r
\r
**/\r
VOID\r
Add a route entry to the route table. All the IP4_ADDRs are in\r
host byte order.\r
\r
- @param RtTable Route table to add route to\r
- @param Dest The destination of the network\r
- @param Netmask The netmask of the destination\r
- @param Gateway The next hop address\r
+ @param[in, out] RtTable Route table to add route to\r
+ @param[in] Dest The destination of the network\r
+ @param[in] Netmask The netmask of the destination\r
+ @param[in] Gateway The next hop address\r
\r
@retval EFI_ACCESS_DENIED The same route already exists\r
@retval EFI_OUT_OF_RESOURCES Failed to allocate memory for the entry\r
/**\r
Remove a route entry and all the route caches spawn from it.\r
\r
- @param RtTable The route table to remove the route from\r
- @param Dest The destination network\r
- @param Netmask The netmask of the Dest\r
- @param Gateway The next hop address\r
+ @param RtTable The route table to remove the route from\r
+ @param Dest The destination network\r
+ @param Netmask The netmask of the Dest\r
+ @param Gateway The next hop address\r
\r
@retval EFI_SUCCESS The route entry is successfully removed\r
@retval EFI_NOT_FOUND There is no route entry in the table with that\r
host redirect according to RFC1122. So, only route cache entries\r
are modified according to the ICMP redirect message.\r
\r
- @param RtTable The route table to search the cache for\r
- @param Dest The destination address\r
- @param Src The source address\r
+ @param[in] RtTable The route table to search the cache for\r
+ @param[in] Dest The destination address\r
+ @param[in] Src The source address\r
\r
@return NULL if no route entry to the (Dest, Src). Otherwise the point\r
to the correct route cache entry.\r
\r
@param RtCacheEntry The route cache entry to free.\r
\r
- @return None\r
-\r
**/\r
VOID\r
Ip4FreeRouteCacheEntry (\r
Search the route table to route the packet. Return/create a route\r
cache if there is a route to the destination.\r
\r
- @param RtTable The route table to search from\r
- @param Dest The destination address to search for\r
- @param Src The source address to search for\r
+ @param[in] RtTable The route table to search from\r
+ @param[in] Dest The destination address to search for\r
+ @param[in] Src The source address to search for\r
+ @param[in] SubnetMask The subnet mask of the Src address, this field is\r
+ used to check if the station is using /32 subnet.\r
+ @param[in] AlwaysTryDestAddr Always try to use the dest address as next hop even\r
+ though we can't find a matching route entry. This\r
+ field is only valid when using /32 subnet.\r
\r
@return NULL if failed to route packet, otherwise a route cache\r
entry that can be used to route packet.\r
Ip4Route (\r
IN IP4_ROUTE_TABLE *RtTable,\r
IN IP4_ADDR Dest,\r
- IN IP4_ADDR Src\r
+ IN IP4_ADDR Src,\r
+ IN IP4_ADDR SubnetMask,\r
+ IN BOOLEAN AlwaysTryDestAddr\r
);\r
\r
/**\r
GetModeData. The EFI_IP4_ROUTE_TABLE is clumsy to use in the\r
internal operation of the IP4 driver.\r
\r
- @param IpInstance The IP4 child that requests the route table.\r
+ @param[in] IpInstance The IP4 child that requests the route table.\r
\r
@retval EFI_SUCCESS The route table is successfully build\r
@retval EFI_OUT_OF_RESOURCES Failed to allocate the memory for the rotue table.\r
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