static void
conn_free(struct conn *conn)
{
log_debug(LOG_VVERB, "free conn %p id %"PRIu64"", conn, conn->id);
mcp_free(conn);
}
/*------------------------------------------------------------------
* Func : mcp_cipher_do_update
*
* Desc : open function of md dev
*
* Parm : inode : inode of dev
* file : context of file
*
* Retn : 0 : success, others fail
*------------------------------------------------------------------*/
static
int mcp_cipher_do_update(
MCP_CIPHER_CTX* ctx,
unsigned char* in,
unsigned long len,
unsigned char* out
)
{
int outlen;
unsigned char* buff = NULL;
if (mcp_is_pli_address(in) && mcp_is_pli_address(out))
return MCP_CipherUpdate(ctx, pli_to_kernel(in), len, pli_to_kernel(out));
if ((buff = mcp_malloc(len))==NULL)
goto err_alloc_kernel_buffer_failed;
if (mcp_is_pli_address(in)) // input buffer is allocated by pli
{
if ((outlen = MCP_CipherUpdate(ctx, pli_to_kernel(in), len, buff))<0)
{
printk("[MCP][CIPHER] do cipher update failed, update failed\n");
goto err_update_cipher_failed;
}
if (copy_to_user((void __user *) out, buff, outlen))
{
printk("[MCP][CIPHER] do cipher update failed, copy data to user buffer failed\n");
goto err_copy_to_user_failed;
}
}
else if (mcp_is_pli_address(out)) // output buffer is allocated by pli
{
if (copy_from_user((void *) buff, (void __user *)in, len))
{
printk("[MCP][CIPHER] do cipher update failed, copy data from user space failed\n");
goto err_copy_from_user_failed;
}
if ((outlen = MCP_CipherUpdate(ctx, buff, len, pli_to_kernel(out)))<0)
{
printk("[MCP][CIPHER] do cipher update failed, update failed\n");
goto err_update_cipher_failed;
}
}
else // none of them are allocated by pli
{
if (copy_from_user((void *) buff, (void __user *)in, len))
{
printk("[MCP][CIPHER] do cipher update failed, copy data from user space failed\n");
outlen = -EFAULT;
goto err_copy_from_user_failed;
}
if ((outlen = MCP_CipherUpdate(ctx, buff, len, buff))<0)
{
printk("[MCP][CIPHER] do cipher update failed, update failed\n");
goto err_update_cipher_failed;
}
if (copy_to_user((void __user *) out, buff, outlen))
{
printk("[MCP][CIPHER] do cipher update failed, copy data to user buffer failed\n");
goto err_copy_to_user_failed;
}
}
mcp_free(buff, len);
return outlen;
//----------------------------------
err_copy_from_user_failed:
err_copy_to_user_failed:
err_update_cipher_failed:
mcp_free(buff, len);
err_alloc_kernel_buffer_failed:
return -EFAULT;
}
static void
call_free(struct call *call)
{
log_debug(LOG_VVERB, "free call %p id %"PRIu64"", call, call->id);
mcp_free(call);
}
