diff options
Diffstat (limited to 'freebsd/sys/net/altq/altq_hfsc.h')
| -rw-r--r-- | freebsd/sys/net/altq/altq_hfsc.h | 97 |
1 files changed, 92 insertions, 5 deletions
diff --git a/freebsd/sys/net/altq/altq_hfsc.h b/freebsd/sys/net/altq/altq_hfsc.h index 0a9fcf95..67ec0036 100644 --- a/freebsd/sys/net/altq/altq_hfsc.h +++ b/freebsd/sys/net/altq/altq_hfsc.h @@ -43,12 +43,21 @@ extern "C" { #endif -struct service_curve { +struct service_curve_v0 { u_int m1; /* slope of the first segment in bits/sec */ u_int d; /* the x-projection of the first segment in msec */ u_int m2; /* slope of the second segment in bits/sec */ }; +struct service_curve_v1 { + u_int64_t m1; /* slope of the first segment in bits/sec */ + u_int d; /* the x-projection of the first segment in msec */ + u_int64_t m2; /* slope of the second segment in bits/sec */ +}; + +/* Latest version of struct service_curve_vX */ +#define HFSC_SERVICE_CURVE_VERSION 1 + /* special class handles */ #define HFSC_NULLCLASS_HANDLE 0 #define HFSC_MAX_CLASSES 64 @@ -67,12 +76,55 @@ struct service_curve { #define HFSC_UPPERLIMITSC 4 #define HFSC_DEFAULTSC (HFSC_REALTIMESC|HFSC_LINKSHARINGSC) -struct hfsc_classstats { +struct hfsc_classstats_v0 { + u_int class_id; + u_int32_t class_handle; + struct service_curve_v0 rsc; + struct service_curve_v0 fsc; + struct service_curve_v0 usc; /* upper limit service curve */ + + u_int64_t total; /* total work in bytes */ + u_int64_t cumul; /* cumulative work in bytes + done by real-time criteria */ + u_int64_t d; /* deadline */ + u_int64_t e; /* eligible time */ + u_int64_t vt; /* virtual time */ + u_int64_t f; /* fit time for upper-limit */ + + /* info helpful for debugging */ + u_int64_t initvt; /* init virtual time */ + u_int64_t vtoff; /* cl_vt_ipoff */ + u_int64_t cvtmax; /* cl_maxvt */ + u_int64_t myf; /* cl_myf */ + u_int64_t cfmin; /* cl_mincf */ + u_int64_t cvtmin; /* cl_mincvt */ + u_int64_t myfadj; /* cl_myfadj */ + u_int64_t vtadj; /* cl_vtadj */ + u_int64_t cur_time; + u_int32_t machclk_freq; + + u_int qlength; + u_int qlimit; + struct pktcntr xmit_cnt; + struct pktcntr drop_cnt; + u_int period; + + u_int vtperiod; /* vt period sequence no */ + u_int parentperiod; /* parent's vt period seqno */ + int nactive; /* number of active children */ + + /* codel, red and rio related info */ + int qtype; + struct redstats red[3]; + struct codel_stats codel; +}; + +struct hfsc_classstats_v1 { u_int class_id; u_int32_t class_handle; - struct service_curve rsc; - struct service_curve fsc; - struct service_curve usc; /* upper limit service curve */ + struct service_curve_v1 rsc; + struct service_curve_v1 fsc; + struct service_curve_v1 usc; /* upper limit service curve */ u_int64_t total; /* total work in bytes */ u_int64_t cumul; /* cumulative work in bytes @@ -110,6 +162,12 @@ struct hfsc_classstats { struct codel_stats codel; }; +/* + * HFSC_STATS_VERSION is defined in altq.h to work around issues stemming + * from mixing of public-API and internal bits in each scheduler-specific + * header. + */ + #ifdef ALTQ3_COMPAT struct hfsc_interface { char hfsc_ifname[IFNAMSIZ]; /* interface name (e.g., fxp0) */ @@ -310,6 +368,35 @@ struct hfsc_if { #endif }; +/* + * Kernel code always wants the latest version - avoid a bunch of renames in + * the code to the current latest versioned name. + */ +#define service_curve __CONCAT(service_curve_v, HFSC_SERVICE_CURVE_VERSION) + +#else /* _KERNEL */ + +#ifdef PFIOC_USE_LATEST +/* + * Maintaining in-tree consumers of the ioctl interface is easier when that + * code can be written in terms old names that refer to the latest interface + * version as that reduces the required changes in the consumers to those + * that are functionally necessary to accommodate a new interface version. + */ +#define hfsc_classstats __CONCAT(hfsc_classstats_v, HFSC_STATS_VERSION) +#define service_curve __CONCAT(service_curve_v, HFSC_SERVICE_CURVE_VERSION) + +#else +/* + * When building out-of-tree code that is written for the old interface, + * such as may exist in ports for example, resolve the old struct tags to + * the v0 versions. + */ +#define hfsc_classstats __CONCAT(hfsc_classstats_v, 0) +#define service_curve __CONCAT(service_curve_v, 0) + +#endif /* PFIOC_USE_LATEST */ + #endif /* _KERNEL */ #ifdef __cplusplus |