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      1 /******************************************************************************
      2  *
      3  *  Copyright (C) 1999-2012 Broadcom Corporation
      4  *
      5  *  Licensed under the Apache License, Version 2.0 (the "License");
      6  *  you may not use this file except in compliance with the License.
      7  *  You may obtain a copy of the License at:
      8  *
      9  *  http://www.apache.org/licenses/LICENSE-2.0
     10  *
     11  *  Unless required by applicable law or agreed to in writing, software
     12  *  distributed under the License is distributed on an "AS IS" BASIS,
     13  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     14  *  See the License for the specific language governing permissions and
     15  *  limitations under the License.
     16  *
     17  ******************************************************************************/
     18 #ifndef GKI_INET_H
     19 #define GKI_INET_H
     20 
     21 #include "data_types.h"
     22 
     23 #if (BIG_ENDIAN == TRUE)
     24 #define ntohs(n) (n)
     25 #define ntohl(n) (n)
     26 #define ntoh6(n) (n)
     27 
     28 #define nettohs(n) (n)
     29 #define nettohl(n) (n)
     30 #else
     31 extern uint16_t ntohs(uint16_t n);
     32 extern uint32_t ntohl(uint32_t n);
     33 extern uint8_t* ntoh6(uint8_t* p);
     34 
     35 #define nettohs(n) ((uint16_t)((((n) << 8) & 0xff00) | (((n) >> 8) & 0x00ff)))
     36 #define nettohl(n)                                        \
     37   ((((n)&0x000000ff) << 24) | (((n) << 8) & 0x00ff0000) | \
     38    (((n) >> 8) & 0x0000ff00) | (((n) >> 24) & 0x000000ff))
     39 #endif
     40 
     41 #endif /* GKI_INET_H */
     42