[openib-general] [PATCH] osm: QoS: added qos class and service id to the path record
Sasha Khapyorsky
sashak at voltaire.com
Mon Jan 22 09:59:52 PST 2007
Hi Yevgeny,
On 18:05 Mon 22 Jan , Yevgeny Kliteynik wrote:
> Hi Hal
>
> QoS patch: added qos class and service id to the path record
>
> Signed-off-by: Yevgeny Kliteynik <kliteyn at dev.mellanox.co.il>
Couple of comments...
> ---
> osm/include/iba/ib_types.h | 149 +++++++++++++++++++++++++++++++---
> osm/opensm/osm_helper.c | 8 +-
> osm/opensm/osm_sa_multipath_record.c | 2 +-
> osm/opensm/osm_sa_path_record.c | 5 +-
> osm/osmtest/osmtest.c | 2 +-
> 5 files changed, 147 insertions(+), 19 deletions(-)
>
> diff --git a/osm/include/iba/ib_types.h b/osm/include/iba/ib_types.h
> index 22f7f62..7762ed2 100644
> --- a/osm/include/iba/ib_types.h
> +++ b/osm/include/iba/ib_types.h
> @@ -1700,6 +1700,28 @@ ib_class_is_rmpp(
> #define IB_SMINFO_STATE_MASTER 3
> /**********/
>
> +/****d* IBA Base: Constants/IB_PATH_REC_SL_MASK
> +* NAME
> +* IB_PATH_REC_SL_MASK
> +*
> +* DESCRIPTION
> +* Mask for the sl field for path record
> +*
> +* SOURCE
> +*/
> +#define IB_PATH_REC_SL_MASK 0xF
> +
> +/****d* IBA Base: Constants/IB_PATH_REC_QOS_CLASS_MASK
> +* NAME
> +* IB_PATH_REC_QOS_CLASS_MASK
> +*
> +* DESCRIPTION
> +* Mask for the QoS class field for path record
> +*
> +* SOURCE
> +*/
> +#define IB_PATH_REC_QOS_CLASS_MASK 0xFFF0
> +
> /****d* IBA Base: Constants/IB_PATH_REC_SELECTOR_MASK
> * NAME
> * IB_PATH_REC_SELECTOR_MASK
> @@ -2314,7 +2336,7 @@ ib_gid_get_guid(
> #include <complib/cl_packon.h>
> typedef struct _ib_path_rec
> {
> - uint8_t resv0[8];
> + ib_net64_t service_id;
> ib_gid_t dgid;
> ib_gid_t sgid;
> ib_net16_t dlid;
> @@ -2323,7 +2345,7 @@ typedef struct _ib_path_rec
> uint8_t tclass;
> uint8_t num_path;
> ib_net16_t pkey;
> - ib_net16_t sl;
> + ib_net16_t qos_class_sl;
> uint8_t mtu;
> uint8_t rate;
> uint8_t pkt_life;
> @@ -2363,11 +2385,8 @@ typedef struct _ib_path_rec
> * pkey
> * Partition key (P_Key) to use on this path.
> *
> -* resv1
> -* Reserved byte.
> -*
> -* sl
> -* Service level to use on this path.
> +* qos_class_sl
> +* QoS class and service level to use on this path.
> *
> * mtu
> * MTU and MTU selector fields to use on this path
> @@ -2388,6 +2407,7 @@ typedef struct _ib_path_rec
> *********/
>
> /* Path Record Component Masks */
> +#define IB_PR_COMPMASK_SERVICEID (CL_HTON64(((uint64_t)1)<<1))
> #define IB_PR_COMPMASK_DGID (CL_HTON64(((uint64_t)1)<<2))
> #define IB_PR_COMPMASK_SGID (CL_HTON64(((uint64_t)1)<<3))
> #define IB_PR_COMPMASK_DLID (CL_HTON64(((uint64_t)1)<<4))
> @@ -2400,7 +2420,7 @@ typedef struct _ib_path_rec
> #define IB_PR_COMPMASK_REVERSIBLE (CL_HTON64(((uint64_t)1)<<11))
> #define IB_PR_COMPMASK_NUMBPATH (CL_HTON64(((uint64_t)1)<<12))
> #define IB_PR_COMPMASK_PKEY (CL_HTON64(((uint64_t)1)<<13))
> -#define IB_PR_COMPMASK_RESV1 (CL_HTON64(((uint64_t)1)<<14))
> +#define IB_PR_COMPMASK_QOS_CLASS (CL_HTON64(((uint64_t)1)<<14))
> #define IB_PR_COMPMASK_SL (CL_HTON64(((uint64_t)1)<<15))
> #define IB_PR_COMPMASK_MTUSELEC (CL_HTON64(((uint64_t)1)<<16))
> #define IB_PR_COMPMASK_MTU (CL_HTON64(((uint64_t)1)<<17))
> @@ -2658,6 +2678,7 @@ ib_path_rec_init_local(
> IN ib_net16_t slid,
> IN uint8_t num_path,
> IN ib_net16_t pkey,
> + IN uint16_t qos_class,
> IN uint8_t sl,
> IN uint8_t mtu_selector,
> IN uint8_t mtu,
> @@ -2673,8 +2694,8 @@ ib_path_rec_init_local(
> p_rec->slid = slid;
> p_rec->num_path = num_path;
> p_rec->pkey = pkey;
> - /* Lower 4 bits of path rec's SL are reserved. */
> - p_rec->sl = cl_ntoh16( sl );
> + p_rec->qos_class_sl = cl_hton16( (sl & IB_PATH_REC_SL_MASK) |
> + (qos_class << 4) );
> p_rec->mtu = (uint8_t)((mtu & IB_PATH_REC_BASE_MASK) |
> (uint8_t)(mtu_selector << 6));
> p_rec->rate = (uint8_t)((rate & IB_PATH_REC_BASE_MASK) |
> @@ -2686,8 +2707,8 @@ ib_path_rec_init_local(
> /* Clear global routing fields for local path records */
> p_rec->hop_flow_raw = 0;
> p_rec->tclass = 0;
> + p_rec->service_id = 0;
>
> - *((uint64_t*)p_rec->resv0) = 0;
> *((uint32_t*)p_rec->resv2) = 0;
> *((uint16_t*)p_rec->resv2 + 2) = 0;
> }
> @@ -2716,6 +2737,9 @@ ib_path_rec_init_local(
> * pkey
> * [in] Partition key (P_Key) to use on this path.
> *
> +* qos_class
> +* [in] QoS class to use on this path. Lower 12-bits are valid.
> +*
> * sl
> * [in] Service level to use on this path. Lower 4-bits are valid.
> *
> @@ -2779,6 +2803,41 @@ ib_path_rec_num_path(
> * ib_path_rec_t
> *********/
>
> +/****f* IBA Base: Types/ib_path_rec_set_sl
> +* NAME
> +* ib_path_rec_set_sl
> +*
> +* DESCRIPTION
> +* Set path service level.
> +*
> +* SYNOPSIS
> +*/
> +static inline void OSM_API
> +ib_path_rec_set_sl(
> + IN ib_path_rec_t* const p_rec,
> + IN const uint8_t sl )
> +{
> + p_rec->qos_class_sl = cl_hton16( ( cl_ntoh16(p_rec->qos_class_sl) &
> + IB_PATH_REC_QOS_CLASS_MASK ) |
> + ( sl & IB_PATH_REC_SL_MASK) );
> +}
> +/*
> +* PARAMETERS
> +* p_rec
> +* [in] Pointer to the path record object.
> +*
> +* sl
> +* [in] Service level to set.
> +*
> +* RETURN VALUES
> +* None
> +*
> +* NOTES
> +*
> +* SEE ALSO
> +* ib_path_rec_t
> +*********/
> +
> /****f* IBA Base: Types/ib_path_rec_sl
> * NAME
> * ib_path_rec_sl
> @@ -2792,7 +2851,7 @@ static inline uint8_t OSM_API
> ib_path_rec_sl(
> IN const ib_path_rec_t* const p_rec )
> {
> - return( (uint8_t)((cl_ntoh16( p_rec->sl )) & 0xF) );
> + return( (uint8_t)((cl_ntoh16( p_rec->qos_class_sl )) & IB_PATH_REC_SL_MASK) );
> }
> /*
> * PARAMETERS
> @@ -2808,6 +2867,72 @@ ib_path_rec_sl(
> * ib_path_rec_t
> *********/
>
> +/****f* IBA Base: Types/ib_path_rec_set_qos_class
> +* NAME
> +* ib_path_rec_set_qos_class
> +*
> +* DESCRIPTION
> +* Set path QoS class.
> +*
> +* SYNOPSIS
> +*/
> +static inline void OSM_API
> +ib_path_rec_set_qos_class(
> + IN ib_path_rec_t* const p_rec,
> + IN const uint16_t qos_class )
> +{
> + p_rec->qos_class_sl = cl_hton16( ( cl_ntoh16(p_rec->qos_class_sl) &
> + IB_PATH_REC_QOS_CLASS_MASK ) |
> + ( qos_class << 4) );
> +}
IB_PATH_REC_QOS_CLASS_MASK is 0xfff0, so this will clear sl component.
> +/*
> +* PARAMETERS
> +* p_rec
> +* [in] Pointer to the path record object.
> +*
> +* qos_class
> +* [in] QoS class to set.
> +*
> +* RETURN VALUES
> +* None
> +*
> +* NOTES
> +*
> +* SEE ALSO
> +* ib_path_rec_t
> +*********/
> +
> +/****f* IBA Base: Types/ib_path_rec_qos_class
> +* NAME
> +* ib_path_rec_qos_class
> +*
> +* DESCRIPTION
> +* Get QoS class.
> +*
> +* SYNOPSIS
> +*/
> +static inline uint16_t OSM_API
> +ib_path_rec_qos_class(
> + IN const ib_path_rec_t* const p_rec )
> +{
> + return( (uint16_t)( cl_ntoh16( p_rec->qos_class_sl ) &
Why (uint16_t) casting is needed?
> + IB_PATH_REC_QOS_CLASS_MASK ) >> 4 );
> +}
&IB_PATH_REC_QOS_CLASS_MASK is not needed - follow >> 4 drops lower bits.
Sasha
> +/*
> +* PARAMETERS
> +* p_rec
> +* [in] Pointer to the path record object.
> +*
> +* RETURN VALUES
> +* QoS class of the path record.
> +*
> +* NOTES
> +*
> +* SEE ALSO
> +* ib_path_rec_t
> +*********/
> +
> +
> /****f* IBA Base: Types/ib_path_rec_mtu
> * NAME
> * ib_path_rec_mtu
> diff --git a/osm/opensm/osm_helper.c b/osm/opensm/osm_helper.c
> index 2ef8e38..e0b5aef 100644
> --- a/osm/opensm/osm_helper.c
> +++ b/osm/opensm/osm_helper.c
> @@ -1095,7 +1095,7 @@ osm_dump_path_record(
> {
> osm_log( p_log, log_level,
> "PathRecord dump:\n"
> - "\t\t\t\tresv0...................0x%016" PRIx64 "\n"
> + "\t\t\t\tservice_id..............0x%016" PRIx64 "\n"
> "\t\t\t\tdgid....................0x%016" PRIx64 " : "
> "0x%016" PRIx64 "\n"
> "\t\t\t\tsgid....................0x%016" PRIx64 " : "
> @@ -1106,6 +1106,7 @@ osm_dump_path_record(
> "\t\t\t\ttclass..................0x%X\n"
> "\t\t\t\tnum_path_revers.........0x%X\n"
> "\t\t\t\tpkey....................0x%X\n"
> + "\t\t\t\tqos_class...............0x%X\n"
> "\t\t\t\tsl......................0x%X\n"
> "\t\t\t\tmtu.....................0x%X\n"
> "\t\t\t\trate....................0x%X\n"
> @@ -1114,7 +1115,7 @@ osm_dump_path_record(
> "\t\t\t\tresv2...................0x%X\n"
> "\t\t\t\tresv3...................0x%X\n"
> "",
> - *(uint64_t*)p_pr->resv0,
> + cl_ntoh64(p_pr->service_id),
> cl_ntoh64( p_pr->dgid.unicast.prefix ),
> cl_ntoh64( p_pr->dgid.unicast.interface_id ),
> cl_ntoh64( p_pr->sgid.unicast.prefix ),
> @@ -1125,7 +1126,8 @@ osm_dump_path_record(
> p_pr->tclass,
> p_pr->num_path,
> cl_ntoh16( p_pr->pkey ),
> - cl_ntoh16( p_pr->sl ),
> + ib_path_rec_qos_class(p_pr),
> + ib_path_rec_sl(p_pr),
> p_pr->mtu,
> p_pr->rate,
> p_pr->pkt_life,
> diff --git a/osm/opensm/osm_sa_multipath_record.c b/osm/opensm/osm_sa_multipath_record.c
> index 2f61fb8..5ec0006 100644
> --- a/osm/opensm/osm_sa_multipath_record.c
> +++ b/osm/opensm/osm_sa_multipath_record.c
> @@ -759,7 +759,7 @@ __osm_mpr_rcv_build_pr(
> p_pr->hop_flow_raw &= cl_hton32(1<<31);
>
> p_pr->pkey = p_parms->pkey;
> - p_pr->sl = cl_hton16( p_parms->sl );
> + ib_path_rec_set_sl(p_pr, p_parms->sl);
> p_pr->mtu = (uint8_t)( p_parms->mtu | 0x80 );
> p_pr->rate = (uint8_t)( p_parms->rate | 0x80 );
>
> diff --git a/osm/opensm/osm_sa_path_record.c b/osm/opensm/osm_sa_path_record.c
> index 7707f52..5a43912 100644
> --- a/osm/opensm/osm_sa_path_record.c
> +++ b/osm/opensm/osm_sa_path_record.c
> @@ -774,7 +774,8 @@ __osm_pr_rcv_build_pr(
> #endif
>
> p_pr->pkey = p_parms->pkey;
> - p_pr->sl = cl_hton16(p_parms->sl);
> + ib_path_rec_set_qos_class(p_pr,0);
> + ib_path_rec_set_sl(p_pr,p_parms->sl);
> p_pr->mtu = (uint8_t)(p_parms->mtu | 0x80);
> p_pr->rate = (uint8_t)(p_parms->rate | 0x80);
>
> @@ -2051,7 +2052,7 @@ osm_pr_rcv_process(
> /* SL, Hop Limit, and Flow Label */
> ib_member_get_sl_flow_hop( p_mgrp->mcmember_rec.sl_flow_hop,
> &sl, &flow_label, &hop_limit );
> - p_pr_item->path_rec.sl = cl_hton16( sl );
> + ib_path_rec_set_sl(&(p_pr_item->path_rec), sl);
> #ifndef ROUTER_EXP
> p_pr_item->path_rec.hop_flow_raw = cl_hton32(hop_limit) |
> (flow_label << 8);
> diff --git a/osm/osmtest/osmtest.c b/osm/osmtest/osmtest.c
> index b9e3bf7..c42b037 100644
> --- a/osm/osmtest/osmtest.c
> +++ b/osm/osmtest/osmtest.c
> @@ -1982,7 +1982,7 @@ osmtest_write_path_info( IN osmtest_t *
> cl_ntoh64( p_rec->sgid.unicast.interface_id ),
> cl_ntoh16( p_rec->dlid ), cl_ntoh16( p_rec->slid ),
> cl_ntoh32( p_rec->hop_flow_raw ), p_rec->tclass,
> - p_rec->num_path, cl_ntoh16( p_rec->pkey ), p_rec->sl,
> + p_rec->num_path, cl_ntoh16( p_rec->pkey ), ib_path_rec_sl(p_rec),
> p_rec->mtu, p_rec->rate, p_rec->pkt_life,
> p_rec->preference );
>
> --
> 1.4.4.1.GIT
>
>
>
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