linux-libc-headers-atm-vbr.patch

--- linux-3.7/include/uapi/linux/atm.h.orig	2012-12-11 04:30:57.000000000 +0100
+++ linux-3.7/include/uapi/linux/atm.h	2012-12-12 21:23:41.327635859 +0100
@@ -70,7 +70,7 @@
 			    /* 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)
@@ -126,9 +126,11 @@
 #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 */
 
@@ -139,6 +141,11 @@
 	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) */ 
@@ -238,4 +245,38 @@
 
 
 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 */