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From: Jerin Jacob <jerinjacobk@gmail.com>
To: Rakesh Kudurumalla <rkudurumalla@marvell.com>,
	Ferruh Yigit <ferruh.yigit@intel.com>
Cc: Jerin Jacob <jerinj@marvell.com>,
	Nithin Dabilpuram <ndabilpuram@marvell.com>,
	 Kiran Kumar K <kirankumark@marvell.com>,
	Sunil Kumar Kori <skori@marvell.com>,
	 Satha Rao <skoteshwar@marvell.com>, Ray Kinsella <mdr@ashroe.eu>,
	dpdk-dev <dev@dpdk.org>
Subject: Re: [dpdk-dev] [PATCH v2 1/2] common/cnxk: change policer timeuint to configured value
Date: Wed, 3 Nov 2021 20:46:46 +0530	[thread overview]
Message-ID: <CALBAE1OOByws1QQkOujxJ7bouFaBo4qw2TTJUNU7gXO1HKf81g@mail.gmail.com> (raw)
In-Reply-To: <20211102064137.1802537-1-rkudurumalla@marvell.com>

On Tue, Nov 2, 2021 at 12:12 PM Rakesh Kudurumalla
<rkudurumalla@marvell.com> wrote:
>
> Ingress meter rate is calculated based on hardcoded
> policer timeunit. Patch adds mbox interface to
> retrieve configured policer timeunit
>
> Signed-off-by: Rakesh Kudurumalla <rkudurumalla@marvell.com>

Acked-by: Jerin Jacob <jerinj@marvell.com>
Applied to dpdk-next-net-mrvl/for-next-net. Thanks


> ---
>  drivers/common/cnxk/hw/nix.h      | 12 ++---
>  drivers/common/cnxk/roc_mbox.h    | 31 +++++++++++++
>  drivers/common/cnxk/roc_nix.h     |  4 ++
>  drivers/common/cnxk/roc_nix_bpf.c | 76 +++++++++++++++++++++++--------
>  drivers/common/cnxk/roc_npc.c     |  1 +
>  drivers/common/cnxk/version.map   |  1 +
>  6 files changed, 99 insertions(+), 26 deletions(-)
>
> diff --git a/drivers/common/cnxk/hw/nix.h b/drivers/common/cnxk/hw/nix.h
> index b9e65c942f..dd2ebecc6a 100644
> --- a/drivers/common/cnxk/hw/nix.h
> +++ b/drivers/common/cnxk/hw/nix.h
> @@ -2115,10 +2115,10 @@ struct nix_lso_format {
>
>  /** NIX policer rate limits */
>  #define NIX_BPF_MAX_RATE_DIV_EXP  12
> -#define NIX_BPF_MAX_RATE_EXPONENT 0xf
> +#define NIX_BPF_MAX_RATE_EXPONENT 0x16
>  #define NIX_BPF_MAX_RATE_MANTISSA 0xff
>
> -#define NIX_BPF_RATE_CONST 2000000ULL
> +#define NIX_BPF_RATE_CONST 8000000000ULL
>
>  /* NIX rate calculation in Bits/Sec
>   *     PIR_ADD = ((256 + NIX_*_PIR[RATE_MANTISSA])
> @@ -2129,14 +2129,14 @@ struct nix_lso_format {
>   *             << NIX_*_CIR[RATE_EXPONENT]) / 256
>   *     CIR = (2E6 * CIR_ADD / (CCLK_TICKS << NIX_*_CIR[RATE_DIVIDER_EXPONENT]))
>   */
> -#define NIX_BPF_RATE(exponent, mantissa, div_exp)                              \
> +#define NIX_BPF_RATE(policer_timeunit, exponent, mantissa, div_exp)            \
>         ((NIX_BPF_RATE_CONST * ((256 + (mantissa)) << (exponent))) /           \
> -        (((1ull << (div_exp)) * 256)))
> +        (((1ull << (div_exp)) * 256 * policer_timeunit)))
>
>  /* Meter rate limits in Bits/Sec */
> -#define NIX_BPF_RATE_MIN NIX_BPF_RATE(0, 0, NIX_BPF_MAX_RATE_DIV_EXP)
> +#define NIX_BPF_RATE_MIN NIX_BPF_RATE(1000000000, 0, 0, 0)
>  #define NIX_BPF_RATE_MAX                                                       \
> -       NIX_BPF_RATE(NIX_BPF_MAX_RATE_EXPONENT, NIX_BPF_MAX_RATE_MANTISSA, 0)
> +       NIX_BPF_RATE(1, NIX_BPF_MAX_RATE_EXPONENT, NIX_BPF_MAX_RATE_MANTISSA, 0)
>
>  #define NIX_BPF_DEFAULT_ADJUST_MANTISSA 511
>  #define NIX_BPF_DEFAULT_ADJUST_EXPONENT 0
> diff --git a/drivers/common/cnxk/roc_mbox.h b/drivers/common/cnxk/roc_mbox.h
> index 22f6ebcd92..b63fe108c9 100644
> --- a/drivers/common/cnxk/roc_mbox.h
> +++ b/drivers/common/cnxk/roc_mbox.h
> @@ -131,6 +131,8 @@ struct mbox_msghdr {
>         M(TIM_ENABLE_RING, 0x803, tim_enable_ring, tim_ring_req,               \
>           tim_enable_rsp)                                                      \
>         M(TIM_DISABLE_RING, 0x804, tim_disable_ring, tim_ring_req, msg_rsp)    \
> +       M(TIM_GET_MIN_INTVL, 0x805, tim_get_min_intvl, tim_intvl_req,          \
> +         tim_intvl_rsp)                                                       \
>         /* CPT mbox IDs (range 0xA00 - 0xBFF) */                               \
>         M(CPT_LF_ALLOC, 0xA00, cpt_lf_alloc, cpt_lf_alloc_req_msg, msg_rsp)    \
>         M(CPT_LF_FREE, 0xA01, cpt_lf_free, msg_req, msg_rsp)                   \
> @@ -143,6 +145,7 @@ struct mbox_msghdr {
>         M(CPT_STATS, 0xA05, cpt_sts_get, cpt_sts_req, cpt_sts_rsp)             \
>         M(CPT_RXC_TIME_CFG, 0xA06, cpt_rxc_time_cfg, cpt_rxc_time_cfg_req,     \
>           msg_rsp)                                                             \
> +       M(CPT_CTX_CACHE_SYNC, 0xA07, cpt_ctx_cache_sync, msg_req, msg_rsp)     \
>         M(CPT_RX_INLINE_LF_CFG, 0xBFE, cpt_rx_inline_lf_cfg,                   \
>           cpt_rx_inline_lf_cfg_msg, msg_rsp)                                   \
>         M(CPT_GET_CAPS, 0xBFD, cpt_caps_get, msg_req, cpt_caps_rsp_msg)        \
> @@ -238,6 +241,12 @@ struct mbox_msghdr {
>         M(NIX_BANDPROF_ALLOC, 0x801d, nix_bandprof_alloc,                      \
>           nix_bandprof_alloc_req, nix_bandprof_alloc_rsp)                      \
>         M(NIX_BANDPROF_FREE, 0x801e, nix_bandprof_free, nix_bandprof_free_req, \
> +         msg_rsp)                                                             \
> +       M(NIX_BANDPROF_GET_HWINFO, 0x801f, nix_bandprof_get_hwinfo, msg_req,   \
> +         nix_bandprof_get_hwinfo_rsp)                                         \
> +       M(NIX_CPT_BP_ENABLE, 0x8020, nix_cpt_bp_enable, nix_bp_cfg_req,        \
> +         nix_bp_cfg_rsp)                                                      \
> +       M(NIX_CPT_BP_DISABLE, 0x8021, nix_cpt_bp_disable, nix_bp_cfg_req,      \
>           msg_rsp)
>
>  /* Messages initiated by AF (range 0xC00 - 0xDFF) */
> @@ -1070,6 +1079,7 @@ struct nix_rx_cfg {
>         struct mbox_msghdr hdr;
>  #define NIX_RX_OL3_VERIFY BIT(0)
>  #define NIX_RX_OL4_VERIFY BIT(1)
> +#define NIX_RX_DROP_RE   BIT(2)
>         uint8_t __io len_verify; /* Outer L3/L4 len check */
>  #define NIX_RX_CSUM_OL4_VERIFY BIT(0)
>         uint8_t __io csum_verify; /* Outer L4 checksum verification */
> @@ -1172,6 +1182,12 @@ struct nix_bandprof_free_req {
>         uint16_t __io prof_idx[NIX_RX_BAND_PROF_LAYER_MAX][BANDPROF_PER_PFFUNC];
>  };
>
> +struct nix_bandprof_get_hwinfo_rsp {
> +       struct mbox_msghdr hdr;
> +       uint16_t __io prof_count[NIX_RX_BAND_PROF_LAYER_MAX];
> +       uint32_t __io policer_timeunit;
> +};
> +
>  /* SSO mailbox error codes
>   * Range 501 - 600.
>   */
> @@ -1798,6 +1814,9 @@ struct tim_config_req {
>         uint32_t __io chunksize;
>         uint32_t __io interval;
>         uint8_t __io gpioedge;
> +       uint8_t __io rsvd[7];
> +       uint64_t __io intervalns;
> +       uint64_t __io clockfreq;
>  };
>
>  struct tim_lf_alloc_rsp {
> @@ -1811,6 +1830,18 @@ struct tim_enable_rsp {
>         uint32_t __io currentbucket;
>  };
>
> +struct tim_intvl_req {
> +       struct mbox_msghdr hdr;
> +       uint8_t __io clocksource;
> +       uint64_t __io clockfreq;
> +};
> +
> +struct tim_intvl_rsp {
> +       struct mbox_msghdr hdr;
> +       uint64_t __io intvl_cyc;
> +       uint64_t __io intvl_ns;
> +};
> +
>  struct sdp_node_info {
>         /* Node to which this PF belons to */
>         uint8_t __io node_id;
> diff --git a/drivers/common/cnxk/roc_nix.h b/drivers/common/cnxk/roc_nix.h
> index 343bb2f8b7..4d68a03aa2 100644
> --- a/drivers/common/cnxk/roc_nix.h
> +++ b/drivers/common/cnxk/roc_nix.h
> @@ -11,6 +11,7 @@
>  #define ROC_NIX_BPF_LEVEL_IDX_INVALID 0xFF
>  #define ROC_NIX_BPF_LEVEL_MAX        3
>  #define ROC_NIX_BPF_STATS_MAX        12
> +#define ROC_NIX_MTR_ID_INVALID       UINT32_MAX
>
>  enum roc_nix_rss_reta_sz {
>         ROC_NIX_RSS_RETA_SZ_64 = 64,
> @@ -618,6 +619,9 @@ bool __roc_api roc_nix_tm_is_user_hierarchy_enabled(struct roc_nix *nix);
>  int __roc_api roc_nix_tm_tree_type_get(struct roc_nix *nix);
>
>  /* Ingress Policer API */
> +int __roc_api roc_nix_bpf_timeunit_get(struct roc_nix *roc_nix,
> +                                      uint32_t *time_unit);
> +
>  int __roc_api
>  roc_nix_bpf_count_get(struct roc_nix *roc_nix, uint8_t lvl_mask,
>                       uint16_t count[ROC_NIX_BPF_LEVEL_MAX] /* Out */);
> diff --git a/drivers/common/cnxk/roc_nix_bpf.c b/drivers/common/cnxk/roc_nix_bpf.c
> index df57958683..6996a54be0 100644
> --- a/drivers/common/cnxk/roc_nix_bpf.c
> +++ b/drivers/common/cnxk/roc_nix_bpf.c
> @@ -35,15 +35,16 @@ get_mbox(struct roc_nix *roc_nix)
>
>  static inline uint64_t
>  meter_rate_to_nix(uint64_t value, uint64_t *exponent_p, uint64_t *mantissa_p,
> -                 uint64_t *div_exp_p)
> +                 uint64_t *div_exp_p, uint32_t timeunit_p)
>  {
>         uint64_t div_exp, exponent, mantissa;
> +       uint32_t time_us = timeunit_p;
>
>         /* Boundary checks */
>         if (value < NIX_BPF_RATE_MIN || value > NIX_BPF_RATE_MAX)
>                 return 0;
>
> -       if (value <= NIX_BPF_RATE(0, 0, 0)) {
> +       if (value <= NIX_BPF_RATE(time_us, 0, 0, 0)) {
>                 /* Calculate rate div_exp and mantissa using
>                  * the following formula:
>                  *
> @@ -93,7 +94,7 @@ meter_rate_to_nix(uint64_t value, uint64_t *exponent_p, uint64_t *mantissa_p,
>                 *mantissa_p = mantissa;
>
>         /* Calculate real rate value */
> -       return NIX_BPF_RATE(exponent, mantissa, div_exp);
> +       return NIX_BPF_RATE(time_us, exponent, mantissa, div_exp);
>  }
>
>  static inline uint64_t
> @@ -337,14 +338,41 @@ roc_nix_bpf_stats_to_idx(enum roc_nix_bpf_stats level_f)
>         return idx;
>  }
>
> +int
> +roc_nix_bpf_timeunit_get(struct roc_nix *roc_nix, uint32_t *time_unit)
> +{
> +       struct nix_bandprof_get_hwinfo_rsp *rsp;
> +       struct mbox *mbox = get_mbox(roc_nix);
> +       struct msg_req *req;
> +       int rc = -ENOSPC;
> +
> +       if (roc_model_is_cn9k())
> +               return NIX_ERR_HW_NOTSUP;
> +
> +       req = mbox_alloc_msg_nix_bandprof_get_hwinfo(mbox);
> +       if (req == NULL)
> +               goto exit;
> +
> +       rc = mbox_process_msg(mbox, (void *)&rsp);
> +       if (rc)
> +               goto exit;
> +
> +       *time_unit = rsp->policer_timeunit;
> +
> +exit:
> +       return rc;
> +}
> +
>  int
>  roc_nix_bpf_count_get(struct roc_nix *roc_nix, uint8_t lvl_mask,
>                       uint16_t count[ROC_NIX_BPF_LEVEL_MAX])
>  {
>         uint8_t mask = lvl_mask & NIX_BPF_LEVEL_F_MASK;
> +       struct nix_bandprof_get_hwinfo_rsp *rsp;
> +       struct mbox *mbox = get_mbox(roc_nix);
>         uint8_t leaf_idx, mid_idx, top_idx;
> -
> -       PLT_SET_USED(roc_nix);
> +       struct msg_req *req;
> +       int rc = -ENOSPC;
>
>         if (roc_model_is_cn9k())
>                 return NIX_ERR_HW_NOTSUP;
> @@ -352,27 +380,29 @@ roc_nix_bpf_count_get(struct roc_nix *roc_nix, uint8_t lvl_mask,
>         if (!mask)
>                 return NIX_ERR_PARAM;
>
> -       /* Currently No MBOX interface is available to get number
> -        * of bandwidth profiles. So numbers per level are hard coded,
> -        * considering 3 RPM blocks and each block has 4 LMAC's.
> -        * So total 12 physical interfaces are in system. Each interface
> -        * supports following bandwidth profiles.
> -        */
> +       req = mbox_alloc_msg_nix_bandprof_get_hwinfo(mbox);
> +       if (req == NULL)
> +               goto exit;
> +
> +       rc = mbox_process_msg(mbox, (void *)&rsp);
> +       if (rc)
> +               goto exit;
>
>         leaf_idx = roc_nix_bpf_level_to_idx(mask & ROC_NIX_BPF_LEVEL_F_LEAF);
>         mid_idx = roc_nix_bpf_level_to_idx(mask & ROC_NIX_BPF_LEVEL_F_MID);
>         top_idx = roc_nix_bpf_level_to_idx(mask & ROC_NIX_BPF_LEVEL_F_TOP);
>
>         if (leaf_idx != ROC_NIX_BPF_LEVEL_IDX_INVALID)
> -               count[leaf_idx] = NIX_MAX_BPF_COUNT_LEAF_LAYER;
> +               count[leaf_idx] = rsp->prof_count[sw_to_hw_lvl_map[leaf_idx]];
>
>         if (mid_idx != ROC_NIX_BPF_LEVEL_IDX_INVALID)
> -               count[mid_idx] = NIX_MAX_BPF_COUNT_MID_LAYER;
> +               count[mid_idx] = rsp->prof_count[sw_to_hw_lvl_map[mid_idx]];
>
>         if (top_idx != ROC_NIX_BPF_LEVEL_IDX_INVALID)
> -               count[top_idx] = NIX_MAX_BPF_COUNT_TOP_LAYER;
> +               count[top_idx] = rsp->prof_count[sw_to_hw_lvl_map[top_idx]];
>
> -       return 0;
> +exit:
> +       return rc;
>  }
>
>  int
> @@ -514,7 +544,9 @@ roc_nix_bpf_config(struct roc_nix *roc_nix, uint16_t id,
>         uint64_t exponent_p = 0, mantissa_p = 0, div_exp_p = 0;
>         struct mbox *mbox = get_mbox(roc_nix);
>         struct nix_cn10k_aq_enq_req *aq;
> +       uint32_t policer_timeunit;
>         uint8_t level_idx;
> +       int rc;
>
>         if (roc_model_is_cn9k())
>                 return NIX_ERR_HW_NOTSUP;
> @@ -522,6 +554,10 @@ roc_nix_bpf_config(struct roc_nix *roc_nix, uint16_t id,
>         if (!cfg)
>                 return NIX_ERR_PARAM;
>
> +       rc = roc_nix_bpf_timeunit_get(roc_nix, &policer_timeunit);
> +       if (rc)
> +               return rc;
> +
>         level_idx = roc_nix_bpf_level_to_idx(lvl_flag);
>         if (level_idx == ROC_NIX_BPF_LEVEL_IDX_INVALID)
>                 return NIX_ERR_PARAM;
> @@ -544,7 +580,7 @@ roc_nix_bpf_config(struct roc_nix *roc_nix, uint16_t id,
>         switch (cfg->alg) {
>         case ROC_NIX_BPF_ALGO_2697:
>                 meter_rate_to_nix(cfg->algo2697.cir, &exponent_p, &mantissa_p,
> -                                 &div_exp_p);
> +                                 &div_exp_p, policer_timeunit);
>                 aq->prof.cir_mantissa = mantissa_p;
>                 aq->prof.cir_exponent = exponent_p;
>
> @@ -566,12 +602,12 @@ roc_nix_bpf_config(struct roc_nix *roc_nix, uint16_t id,
>
>         case ROC_NIX_BPF_ALGO_2698:
>                 meter_rate_to_nix(cfg->algo2698.cir, &exponent_p, &mantissa_p,
> -                                 &div_exp_p);
> +                                 &div_exp_p, policer_timeunit);
>                 aq->prof.cir_mantissa = mantissa_p;
>                 aq->prof.cir_exponent = exponent_p;
>
>                 meter_rate_to_nix(cfg->algo2698.pir, &exponent_p, &mantissa_p,
> -                                 &div_exp_p);
> +                                 &div_exp_p, policer_timeunit);
>                 aq->prof.peir_mantissa = mantissa_p;
>                 aq->prof.peir_exponent = exponent_p;
>
> @@ -595,12 +631,12 @@ roc_nix_bpf_config(struct roc_nix *roc_nix, uint16_t id,
>
>         case ROC_NIX_BPF_ALGO_4115:
>                 meter_rate_to_nix(cfg->algo4115.cir, &exponent_p, &mantissa_p,
> -                                 &div_exp_p);
> +                                 &div_exp_p, policer_timeunit);
>                 aq->prof.cir_mantissa = mantissa_p;
>                 aq->prof.cir_exponent = exponent_p;
>
>                 meter_rate_to_nix(cfg->algo4115.eir, &exponent_p, &mantissa_p,
> -                                 &div_exp_p);
> +                                 &div_exp_p, policer_timeunit);
>                 aq->prof.peir_mantissa = mantissa_p;
>                 aq->prof.peir_exponent = exponent_p;
>
> diff --git a/drivers/common/cnxk/roc_npc.c b/drivers/common/cnxk/roc_npc.c
> index 0a7966b52e..503c74748f 100644
> --- a/drivers/common/cnxk/roc_npc.c
> +++ b/drivers/common/cnxk/roc_npc.c
> @@ -307,6 +307,7 @@ npc_parse_actions(struct roc_npc *roc_npc, const struct roc_npc_attr *attr,
>
>         /* Initialize actions */
>         flow->ctr_id = NPC_COUNTER_NONE;
> +       flow->mtr_id = ROC_NIX_MTR_ID_INVALID;
>         pf_func = npc->pf_func;
>
>         for (; actions->type != ROC_NPC_ACTION_TYPE_END; actions++) {
> diff --git a/drivers/common/cnxk/version.map b/drivers/common/cnxk/version.map
> index bf47b33b3e..1f97fad89f 100644
> --- a/drivers/common/cnxk/version.map
> +++ b/drivers/common/cnxk/version.map
> @@ -97,6 +97,7 @@ INTERNAL {
>         roc_nix_bpf_stats_read;
>         roc_nix_bpf_stats_reset;
>         roc_nix_bpf_stats_to_idx;
> +       roc_nix_bpf_timeunit_get;
>         roc_nix_cq_dump;
>         roc_nix_cq_fini;
>         roc_nix_cq_init;
> --
> 2.25.1
>

      parent reply	other threads:[~2021-11-03 15:17 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-11-02  5:58 [dpdk-dev] [PATCH " Rakesh Kudurumalla
2021-11-02  5:58 ` [dpdk-dev] [PATCH 2/2] net/cnxk: integrate bpfcount get MBOX interface Rakesh Kudurumalla
2021-11-03 15:19   ` Jerin Jacob
2021-11-02  6:41 ` [dpdk-dev] [PATCH v2 1/2] common/cnxk: change policer timeuint to configured value Rakesh Kudurumalla
2021-11-02  6:41   ` [dpdk-dev] [PATCH v2 2/2] net/cnxk: integrate bpfcount get MBOX interface Rakesh Kudurumalla
2021-11-03 15:16   ` Jerin Jacob [this message]

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