Author: baggins Date: Tue Jan 8 18:49:57 2008 GMT
Module: SOURCES Tag: HEAD
---- Log message:
- VBR support for ATM
---- Files affected:
SOURCES:
linux-libc-headers-atm-vbr.patch (NONE -> 1.1) (NEW)
---- Diffs:
================================================================
Index: SOURCES/linux-libc-headers-atm-vbr.patch
diff -u /dev/null SOURCES/linux-libc-headers-atm-vbr.patch:1.1
--- /dev/null Tue Jan 8 19:49:57 2008
+++ SOURCES/linux-libc-headers-atm-vbr.patch Tue Jan 8 19:49:51 2008
@@ -0,0 +1,79 @@
+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/linux/atm.h 12 Feb 2003 20:56:33 -0000 1.2
++++ linux/include/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
================================================================
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