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1 /**************************************************************************/
2 /* ---------------------------------------------------------------------- */
3 /* Copyright (C) 2006 - 2008 FRESCOR consortium partners:                 */
4 /*                                                                        */
5 /*   Universidad de Cantabria,              SPAIN                         */
6 /*   University of York,                    UK                            */
7 /*   Scuola Superiore Sant'Anna,            ITALY                         */
8 /*   Kaiserslautern University,             GERMANY                       */
9 /*   Univ. Politécnica  Valencia,           SPAIN                        */
10 /*   Czech Technical University in Prague,  CZECH REPUBLIC                */
11 /*   ENEA                                   SWEDEN                        */
12 /*   Thales Communication S.A.              FRANCE                        */
13 /*   Visual Tools S.A.                      SPAIN                         */
14 /*   Rapita Systems Ltd                     UK                            */
15 /*   Evidence                               ITALY                         */
16 /*                                                                        */
17 /*   See http://www.frescor.org for a link to partners' websites          */
18 /*                                                                        */
19 /*          FRESCOR project (FP6/2005/IST/5-034026) is funded             */
20 /*       in part by the European Union Sixth Framework Programme          */
21 /*       The European Union is not liable of any use that may be          */
22 /*       made of this code.                                               */
23 /*                                                                        */
24 /*                                                                        */
25 /*  This file is part of FWP (Frescor WLAN Protocol)                      */
26 /*                                                                        */
27 /* FWP is free software; you can redistribute it and/or modify it         */
28 /* under terms of the GNU General Public License as published by the      */
29 /* Free Software Foundation; either version 2, or (at your option) any    */
30 /* later version.  FWP is distributed in the hope that it will be         */
31 /* useful, but WITHOUT ANY WARRANTY; without even the implied warranty    */
32 /* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU    */
33 /* General Public License for more details. You should have received a    */
34 /* copy of the GNU General Public License along with FWP; see file        */
35 /* COPYING. If not, write to the Free Software Foundation, 675 Mass Ave,  */
36 /* Cambridge, MA 02139, USA.                                              */
37 /*                                                                        */
38 /* As a special exception, including FWP header files in a file,          */
39 /* instantiating FWP generics or templates, or linking other files        */
40 /* with FWP objects to produce an executable application, does not        */
41 /* by itself cause the resulting executable application to be covered     */
42 /* by the GNU General Public License. This exception does not             */
43 /* however invalidate any other reasons why the executable file might be  */
44 /* covered by the GNU Public License.                                     */
45 /**************************************************************************/
46 #ifndef _FWP_VRES_H
47 #define _FWP_VRES_H
48
49 #include <netinet/in.h>
50
51 struct fwp_vres;
52 typedef struct fwp_vres fwp_vres_t;
53
54 /** WMM defines 4 queues */
55 typedef enum  {
56         FWP_AC_VO = 0,
57         FWP_AC_VI = 1,
58         FWP_AC_BE = 2,
59         FWP_AC_BK = 3
60 } fwp_ac_t;
61
62 fwp_ac_t fwp_vres_get_ac(fwp_vres_t *vres);
63
64
65 #ifdef _FWP_INTERNALS_
66
67 #include "fwp_msgb.h"
68
69 typedef unsigned int fwp_vres_id_t;
70 typedef unsigned int fwp_vparam_id_t;
71 typedef unsigned long int fwp_budget_t;
72 typedef struct timespec  fwp_period_t;
73
74 /**
75  * FWP vres parameters 
76  * 
77  */
78 typedef
79 struct fwp_vres_params {
80         fwp_budget_t    budget;         /**< bytes per period */
81         /** all time units are in microseconds */       
82         fwp_period_t    period; 
83         fwp_ac_t        ac_id;          /**< AC id ~ priority of vres */
84         /** Forced source address. If non-zero, packets are sent over
85          * the specified interface. */
86         struct in_addr  src;
87 } fwp_vres_params_t;
88
89 int fwp_vres_table_init(unsigned int max_vres);
90
91 fwp_vres_t *fwp_vres_alloc();
92 fwp_vres_id_t fwp_vres_get_id(fwp_vres_t *vres);
93 int fwp_vres_set_params(fwp_vres_t *vres, fwp_vres_params_t *params);
94 int fwp_vres_create(fwp_vres_params_t *params, fwp_vres_t **vresp);
95 int fwp_vres_destroy(fwp_vres_t *vres);
96
97 int fwp_vres_send(fwp_vres_t *vres, struct fwp_msgb* msgb);
98 int fwp_vres_bind(fwp_vres_t *vres, int sockd);
99 int fwp_vres_unbind(fwp_vres_t *vres);
100
101 extern fwp_vres_params_t fwp_vres_params_default;
102
103 #endif /* _FWP_INTERNALS_ */
104 #endif /* _FWP_VRES_H */