[packages/kernel.git] / kernel-atm-vbr.patch

Index: linux/include/linux/atm.h
===================================================================
RCS file: /afs/cmf/project/cvsroot/linux/include/linux/atm.h,v
retrieving revision 1.2
diff -u -r1.2 atm.h
--- linux/include/uapi/linux/atm.h	12 Feb 2003 20:56:33 -0000	1.2
+++ linux/include/uapi/linux/atm.h	9 Apr 2003 12:08:38 -0000
@@ -72,7 +72,7 @@
 			    /* connection identifier range; socket must be
 			       bound or connected */
 #define SO_ATMQOS	__SO_ENCODE(SOL_ATM,2,struct atm_qos)
-			    /* Quality of Service setting */
+			    /* Quality of Service setting (with vbr support) */
 #define SO_ATMSAP	__SO_ENCODE(SOL_ATM,3,struct atm_sap)
 			    /* Service Access Point */
 #define SO_ATMPVC	__SO_ENCODE(SOL_ATM,4,struct sockaddr_atmpvc)
@@ -127,9 +127,11 @@
 #define ATM_NONE	0		/* no traffic */
 #define ATM_UBR		1
 #define ATM_CBR		2
-#define ATM_VBR		3
+#define ATM_VBR_NRT	3
+#define ATM_VBR		ATM_VBR_NRT	/* for backward compatibility */
 #define ATM_ABR		4
 #define ATM_ANYCLASS	5		/* compatible with everything */
+#define ATM_VBR_RT	6
 
 #define ATM_MAX_PCR	-1		/* maximum available PCR */
 
@@ -140,6 +142,11 @@
 	int		min_pcr;	/* minimum PCR in cells per second */
 	int		max_cdv;	/* maximum CDV in microseconds */
 	int		max_sdu;	/* maximum SDU in bytes */
+
+	/* extra params for VBR */
+	int		scr;		/* sustained rate in cells per second */
+	int		mbs;		/* maximum burst size (MBS) in cells */
+
         /* extra params for ABR */
         unsigned int 	icr;         	/* Initial Cell Rate (24-bit) */
         unsigned int	tbe;		/* Transient Buffer Exposure (24-bit) */ 
@@ -243,4 +251,37 @@
 };
 
 typedef unsigned short atm_backend_t;
+struct atm_trafprm_compat {
+	unsigned char	traffic_class;	/* traffic class (ATM_UBR, ...) */
+	int		max_pcr;	/* maximum PCR in cells per second */
+	int		pcr;		/* desired PCR in cells per second */
+	int		min_pcr;	/* minimum PCR in cells per second */
+	int		max_cdv;	/* maximum CDV in microseconds */
+	int		max_sdu;	/* maximum SDU in bytes */
+        /* extra params for ABR */
+        unsigned int 	icr;         	/* Initial Cell Rate (24-bit) */
+        unsigned int	tbe;		/* Transient Buffer Exposure (24-bit) */ 
+        unsigned int 	frtt : 24;	/* Fixed Round Trip Time (24-bit) */
+        unsigned int 	rif  : 4;       /* Rate Increment Factor (4-bit) */
+        unsigned int 	rdf  : 4;       /* Rate Decrease Factor (4-bit) */
+        unsigned int nrm_pres  :1;      /* nrm present bit */
+        unsigned int trm_pres  :1;     	/* rm present bit */
+        unsigned int adtf_pres :1;     	/* adtf present bit */
+        unsigned int cdf_pres  :1;    	/* cdf present bit*/
+        unsigned int nrm       :3;     	/* Max # of Cells for each forward RM cell (3-bit) */
+        unsigned int trm       :3;    	/* Time between forward RM cells (3-bit) */    
+	unsigned int adtf      :10;     /* ACR Decrease Time Factor (10-bit) */
+	unsigned int cdf       :3;      /* Cutoff Decrease Factor (3-bit) */
+        unsigned int spare     :9;      /* spare bits */ 
+};
+
+struct atm_qos_compat {
+	struct atm_trafprm_compat txtp;	/* parameters in TX direction */
+	struct atm_trafprm_compat rxtp __ATM_API_ALIGN;
+					/* parameters in RX direction */
+	unsigned char aal __ATM_API_ALIGN;
+};
+
+#define SO_ATMQOS_COMPAT __SO_ENCODE(SOL_ATM,2,struct atm_qos_compat)
+			    /* Quality of Service setting (no vbr support) */
 #endif /* _UAPI_LINUX_ATM_H */
Index: linux/net/atm/common.c
===================================================================
RCS file: /afs/cmf/project/cvsroot/linux/net/atm/common.c,v
retrieving revision 1.13
diff -u -r1.13 common.c
--- linux/net/atm/common.c	17 Mar 2003 16:13:12 -0000	1.13
+++ linux/net/atm/common.c	9 Apr 2003 12:10:28 -0000
@@ -1085,6 +1085,43 @@
 
 	vcc = ATM_SD(sock);
 	switch (optname) {
+		case SO_ATMQOS_COMPAT:
+			{
+				struct atm_qos_compat qos_compat;
+				struct atm_qos qos;
+
+				if (copy_from_user(&qos_compat,optval,sizeof(qos_compat)))
+					return -EFAULT;
+
+				/* convert old atm_qos to new atm_qos */
+				qos.aal = qos_compat.aal;
+				qos.rxtp.traffic_class = qos_compat.rxtp.traffic_class;
+				qos.rxtp.max_pcr = qos_compat.rxtp.max_pcr;
+				qos.rxtp.pcr = qos_compat.rxtp.pcr;
+				qos.rxtp.min_pcr = qos_compat.rxtp.min_pcr;
+				qos.rxtp.max_cdv = qos_compat.rxtp.max_cdv;
+				qos.rxtp.max_sdu = qos_compat.rxtp.max_sdu;
+				qos.rxtp.scr = 0;
+				qos.rxtp.mbs = 0;
+				qos.txtp.traffic_class = qos_compat.txtp.traffic_class;
+				qos.txtp.max_pcr = qos_compat.txtp.max_pcr;
+				qos.txtp.pcr = qos_compat.txtp.pcr;
+				qos.txtp.min_pcr = qos_compat.txtp.min_pcr;
+				qos.txtp.max_cdv = qos_compat.txtp.max_cdv;
+				qos.txtp.max_sdu = qos_compat.txtp.max_sdu;
+				qos.txtp.scr = 0;
+				qos.txtp.mbs = 0;
+
+				error = check_qos(&qos);
+				if (error) return error;
+				if (sock->state == SS_CONNECTED)
+					return atm_change_qos(vcc,&qos);
+				if (sock->state != SS_UNCONNECTED)
+					return -EBADFD;
+				vcc->qos = qos;
+				set_bit(ATM_VF_HASQOS,&vcc->flags);
+				return 0;
+			}
 	case SO_ATMQOS:
 	{
 		struct atm_qos qos;
@@ -1132,6 +1169,31 @@
 
 	vcc = ATM_SD(sock);
 	switch (optname) {
+		case SO_ATMQOS_COMPAT:
+			{
+				struct atm_qos_compat qos_compat;
+
+				if (!test_bit(ATM_VF_HASQOS,&vcc->flags))
+					return -EINVAL;
+
+				/* convert new atm_qos to old atm_qos */
+				qos_compat.aal = vcc->qos.aal;
+				qos_compat.rxtp.traffic_class = vcc->qos.rxtp.traffic_class;
+				qos_compat.rxtp.max_pcr = vcc->qos.rxtp.max_pcr;
+				qos_compat.rxtp.pcr = vcc->qos.rxtp.pcr;
+				qos_compat.rxtp.min_pcr = vcc->qos.rxtp.min_pcr;
+				qos_compat.rxtp.max_cdv = vcc->qos.rxtp.max_cdv;
+				qos_compat.rxtp.max_sdu = vcc->qos.rxtp.max_sdu;
+				qos_compat.txtp.traffic_class = vcc->qos.txtp.traffic_class;
+				qos_compat.txtp.max_pcr = vcc->qos.txtp.max_pcr;
+				qos_compat.txtp.pcr = vcc->qos.txtp.pcr;
+				qos_compat.txtp.min_pcr = vcc->qos.txtp.min_pcr;
+				qos_compat.txtp.max_cdv = vcc->qos.txtp.max_cdv;
+				qos_compat.txtp.max_sdu = vcc->qos.txtp.max_sdu;
+
+				return copy_to_user(optval,&qos_compat,sizeof(qos_compat)) ?
+				    -EFAULT : 0;
+			}
 	case SO_ATMQOS:
 		if (!test_bit(ATM_VF_HASQOS,&vcc->flags))
 			return -EINVAL;
Commit	Line	Data
2380c486 JR	1	Index: linux/include/linux/atm.h
	2	===================================================================
	3	RCS file: /afs/cmf/project/cvsroot/linux/include/linux/atm.h,v
	4	retrieving revision 1.2
	5	diff -u -r1.2 atm.h
537831f9 AM	6	--- linux/include/uapi/linux/atm.h 12 Feb 2003 20:56:33 -0000 1.2
537831f9 AM	7	+++ linux/include/uapi/linux/atm.h 9 Apr 2003 12:08:38 -0000
2380c486 JR	8	@@ -72,7 +72,7 @@
	9	/* connection identifier range; socket must be
	10	bound or connected */
	11	#define SO_ATMQOS __SO_ENCODE(SOL_ATM,2,struct atm_qos)
	12	- /* Quality of Service setting */
	13	+ /* Quality of Service setting (with vbr support) */
	14	#define SO_ATMSAP __SO_ENCODE(SOL_ATM,3,struct atm_sap)
	15	/* Service Access Point */
	16	#define SO_ATMPVC __SO_ENCODE(SOL_ATM,4,struct sockaddr_atmpvc)
	17	@@ -127,9 +127,11 @@
	18	#define ATM_NONE 0 /* no traffic */
	19	#define ATM_UBR 1
	20	#define ATM_CBR 2
	21	-#define ATM_VBR 3
	22	+#define ATM_VBR_NRT 3
	23	+#define ATM_VBR ATM_VBR_NRT /* for backward compatibility */
	24	#define ATM_ABR 4
	25	#define ATM_ANYCLASS 5 /* compatible with everything */
	26	+#define ATM_VBR_RT 6
	27
	28	#define ATM_MAX_PCR -1 /* maximum available PCR */
	29
	30	@@ -140,6 +142,11 @@
	31	int min_pcr; /* minimum PCR in cells per second */
	32	int max_cdv; /* maximum CDV in microseconds */
	33	int max_sdu; /* maximum SDU in bytes */
	34	+
	35	+ /* extra params for VBR */
	36	+ int scr; /* sustained rate in cells per second */
	37	+ int mbs; /* maximum burst size (MBS) in cells */
	38	+
	39	/* extra params for ABR */
	40	unsigned int icr; /* Initial Cell Rate (24-bit) */
	41	unsigned int tbe; /* Transient Buffer Exposure (24-bit) */
	42	@@ -243,4 +251,37 @@
	43	};
	44
	45	typedef unsigned short atm_backend_t;
	46	+struct atm_trafprm_compat {
	47	+ unsigned char traffic_class; /* traffic class (ATM_UBR, ...) */
	48	+ int max_pcr; /* maximum PCR in cells per second */
	49	+ int pcr; /* desired PCR in cells per second */
	50	+ int min_pcr; /* minimum PCR in cells per second */
	51	+ int max_cdv; /* maximum CDV in microseconds */
	52	+ int max_sdu; /* maximum SDU in bytes */
	53	+ /* extra params for ABR */
	54	+ unsigned int icr; /* Initial Cell Rate (24-bit) */
	55	+ unsigned int tbe; /* Transient Buffer Exposure (24-bit) */
	56	+ unsigned int frtt : 24; /* Fixed Round Trip Time (24-bit) */
	57	+ unsigned int rif : 4; /* Rate Increment Factor (4-bit) */
	58	+ unsigned int rdf : 4; /* Rate Decrease Factor (4-bit) */
	59	+ unsigned int nrm_pres :1; /* nrm present bit */
	60	+ unsigned int trm_pres :1; /* rm present bit */
	61	+ unsigned int adtf_pres :1; /* adtf present bit */
	62	+ unsigned int cdf_pres :1; /* cdf present bit*/
	63	+ unsigned int nrm :3; /* Max # of Cells for each forward RM cell (3-bit) */
	64	+ unsigned int trm :3; /* Time between forward RM cells (3-bit) */
	65	+ unsigned int adtf :10; /* ACR Decrease Time Factor (10-bit) */
	66	+ unsigned int cdf :3; /* Cutoff Decrease Factor (3-bit) */
	67	+ unsigned int spare :9; /* spare bits */
	68	+};
	69	+
	70	+struct atm_qos_compat {
	71	+ struct atm_trafprm_compat txtp; /* parameters in TX direction */
72	+ struct atm_trafprm_compat rxtp __ATM_API_ALIGN;
73	+ /* parameters in RX direction */
74	+ unsigned char aal __ATM_API_ALIGN;
75	+};
76	+
77	+#define SO_ATMQOS_COMPAT __SO_ENCODE(SOL_ATM,2,struct atm_qos_compat)
78	+ /* Quality of Service setting (no vbr support) */
537831f9	79	#endif /* _UAPI_LINUX_ATM_H */
2380c486 JR	80	Index: linux/net/atm/common.c
	81	===================================================================
	82	RCS file: /afs/cmf/project/cvsroot/linux/net/atm/common.c,v
	83	retrieving revision 1.13
	84	diff -u -r1.13 common.c
	85	--- linux/net/atm/common.c 17 Mar 2003 16:13:12 -0000 1.13
	86	+++ linux/net/atm/common.c 9 Apr 2003 12:10:28 -0000
	87	@@ -1085,6 +1085,43 @@
	88
	89	vcc = ATM_SD(sock);
	90	switch (optname) {
	91	+ case SO_ATMQOS_COMPAT:
	92	+ {
	93	+ struct atm_qos_compat qos_compat;
	94	+ struct atm_qos qos;
	95	+
	96	+ if (copy_from_user(&qos_compat,optval,sizeof(qos_compat)))
	97	+ return -EFAULT;
	98	+
	99	+ /* convert old atm_qos to new atm_qos */
	100	+ qos.aal = qos_compat.aal;
	101	+ qos.rxtp.traffic_class = qos_compat.rxtp.traffic_class;
	102	+ qos.rxtp.max_pcr = qos_compat.rxtp.max_pcr;
	103	+ qos.rxtp.pcr = qos_compat.rxtp.pcr;
	104	+ qos.rxtp.min_pcr = qos_compat.rxtp.min_pcr;
	105	+ qos.rxtp.max_cdv = qos_compat.rxtp.max_cdv;
	106	+ qos.rxtp.max_sdu = qos_compat.rxtp.max_sdu;
	107	+ qos.rxtp.scr = 0;
	108	+ qos.rxtp.mbs = 0;
	109	+ qos.txtp.traffic_class = qos_compat.txtp.traffic_class;
	110	+ qos.txtp.max_pcr = qos_compat.txtp.max_pcr;
	111	+ qos.txtp.pcr = qos_compat.txtp.pcr;
	112	+ qos.txtp.min_pcr = qos_compat.txtp.min_pcr;
	113	+ qos.txtp.max_cdv = qos_compat.txtp.max_cdv;
	114	+ qos.txtp.max_sdu = qos_compat.txtp.max_sdu;
	115	+ qos.txtp.scr = 0;
	116	+ qos.txtp.mbs = 0;
	117	+
	118	+ error = check_qos(&qos);
	119	+ if (error) return error;
	120	+ if (sock->state == SS_CONNECTED)
	121	+ return atm_change_qos(vcc,&qos);
	122	+ if (sock->state != SS_UNCONNECTED)
	123	+ return -EBADFD;
	124	+ vcc->qos = qos;
	125	+ set_bit(ATM_VF_HASQOS,&vcc->flags);
	126	+ return 0;
	127	+ }
d031c9d6	128	case SO_ATMQOS:
	129	{
	130	struct atm_qos qos;
2380c486 JR	131	@@ -1132,6 +1169,31 @@
	132
	133	vcc = ATM_SD(sock);
	134	switch (optname) {
	135	+ case SO_ATMQOS_COMPAT:
	136	+ {
	137	+ struct atm_qos_compat qos_compat;
	138	+
	139	+ if (!test_bit(ATM_VF_HASQOS,&vcc->flags))
	140	+ return -EINVAL;
	141	+
	142	+ /* convert new atm_qos to old atm_qos */
	143	+ qos_compat.aal = vcc->qos.aal;
	144	+ qos_compat.rxtp.traffic_class = vcc->qos.rxtp.traffic_class;
	145	+ qos_compat.rxtp.max_pcr = vcc->qos.rxtp.max_pcr;
	146	+ qos_compat.rxtp.pcr = vcc->qos.rxtp.pcr;
	147	+ qos_compat.rxtp.min_pcr = vcc->qos.rxtp.min_pcr;
	148	+ qos_compat.rxtp.max_cdv = vcc->qos.rxtp.max_cdv;
	149	+ qos_compat.rxtp.max_sdu = vcc->qos.rxtp.max_sdu;
	150	+ qos_compat.txtp.traffic_class = vcc->qos.txtp.traffic_class;
	151	+ qos_compat.txtp.max_pcr = vcc->qos.txtp.max_pcr;
	152	+ qos_compat.txtp.pcr = vcc->qos.txtp.pcr;
	153	+ qos_compat.txtp.min_pcr = vcc->qos.txtp.min_pcr;
	154	+ qos_compat.txtp.max_cdv = vcc->qos.txtp.max_cdv;
	155	+ qos_compat.txtp.max_sdu = vcc->qos.txtp.max_sdu;
	156	+
	157	+ return copy_to_user(optval,&qos_compat,sizeof(qos_compat)) ?
	158	+ -EFAULT : 0;
	159	+ }
d031c9d6	160	case SO_ATMQOS:
	161	if (!test_bit(ATM_VF_HASQOS,&vcc->flags))
	162	return -EINVAL;