openbcm

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uk-proxy-kcom.c (1268B)

      1 /*
      2  * 
      3  * This license is set out in https://raw.githubusercontent.com/Broadcom-Network-Switching-Software/OpenBCM/master/Legal/LICENSE file.
      4  * 
      5  * Copyright 2007-2019 Broadcom Inc. All rights reserved.
      6  *
      7  * File: 	kcom.c
      8  * Purpose: 	Provides a kcom interface using User/Kernel proxy services
      9  */
     10 
     11 #ifdef INCLUDE_KNET
     12 
     13 #include <sal/appl/io.h>
     14 #include <kcom.h>
     15 
     16 #include <linux-uk-proxy.h>
     17 #include <uk-proxy-kcom.h>
     18 
     19 static int uk_proxy = -1;
     20 
     21 void *
     22 uk_proxy_kcom_open(char *name)
     23 {
     24     if (uk_proxy < 0) {
     25         uk_proxy = linux_uk_proxy_open(); 
     26         if (uk_proxy < 0) {
     27             return NULL;
     28         }
     29     }
     30     return name;
     31 }
     32 
     33 int
     34 uk_proxy_kcom_close(void *handle)
     35 {
     36     return 0;
     37 }
     38 
     39 int
     40 uk_proxy_kcom_msg_send(void *handle, void *msg,
     41                        unsigned int len, unsigned int bufsz)
     42 {
     43     if (len > LUK_MAX_DATA_SIZE) {
     44         return -1;
     45     }
     46     return linux_uk_proxy_send(handle, msg, len); 
     47 }
     48 
     49 int
     50 uk_proxy_kcom_msg_recv(void *handle, void *msg,
     51                        unsigned int bufsz)
     52 {
     53     unsigned int len;
     54 
     55     if (bufsz > LUK_MAX_DATA_SIZE) {
     56         return -1;
     57     }
     58     len = bufsz;
     59     if (linux_uk_proxy_recv(handle, msg, &len) < 0) {
     60         return -1;
     61     }
     62     return len;
     63 }
     64 
     65 #endif
     66 
     67 int _uk_proxy_kcom_c_not_empty;