diff options
Diffstat (limited to 'drivers/infiniband/hw/bnxt_re/bnxt_re.h')
| -rw-r--r-- | drivers/infiniband/hw/bnxt_re/bnxt_re.h | 35 |
1 files changed, 27 insertions, 8 deletions
diff --git a/drivers/infiniband/hw/bnxt_re/bnxt_re.h b/drivers/infiniband/hw/bnxt_re/bnxt_re.h index ea81b2497511..9fd9849ebdd1 100644 --- a/drivers/infiniband/hw/bnxt_re/bnxt_re.h +++ b/drivers/infiniband/hw/bnxt_re/bnxt_re.h @@ -112,12 +112,34 @@ struct bnxt_re_gsi_context { #define BNXT_RE_NQ_IDX 1 #define BNXT_RE_GEN_P5_MAX_VF 64 +struct bnxt_re_pacing { + u64 dbr_db_fifo_reg_off; + void *dbr_page; + u64 dbr_bar_addr; + u32 pacing_algo_th; + u32 do_pacing_save; + u32 dbq_pacing_time; /* ms */ + u32 dbr_def_do_pacing; + bool dbr_pacing; + struct mutex dbq_lock; /* synchronize db pacing algo */ +}; + +#define BNXT_RE_MAX_DBR_DO_PACING 0xFFFF +#define BNXT_RE_DBR_PACING_TIME 5 /* ms */ +#define BNXT_RE_PACING_ALGO_THRESHOLD 250 /* Entries in DB FIFO */ +#define BNXT_RE_PACING_ALARM_TH_MULTIPLE 2 /* Multiple of pacing algo threshold */ +/* Default do_pacing value when there is no congestion */ +#define BNXT_RE_DBR_DO_PACING_NO_CONGESTION 0x7F /* 1 in 512 probability */ +#define BNXT_RE_DB_FIFO_ROOM_MASK 0x1FFF8000 +#define BNXT_RE_MAX_FIFO_DEPTH 0x2c00 +#define BNXT_RE_DB_FIFO_ROOM_SHIFT 15 +#define BNXT_RE_GRC_FIFO_REG_BASE 0x2000 + struct bnxt_re_dev { struct ib_device ibdev; struct list_head list; unsigned long flags; #define BNXT_RE_FLAG_NETDEV_REGISTERED 0 -#define BNXT_RE_FLAG_GOT_MSIX 2 #define BNXT_RE_FLAG_HAVE_L2_REF 3 #define BNXT_RE_FLAG_RCFW_CHANNEL_EN 4 #define BNXT_RE_FLAG_QOS_WORK_REG 5 @@ -152,16 +174,9 @@ struct bnxt_re_dev { struct bnxt_qplib_res qplib_res; struct bnxt_qplib_dpi dpi_privileged; - atomic_t qp_count; struct mutex qp_lock; /* protect qp list */ struct list_head qp_list; - atomic_t cq_count; - atomic_t srq_count; - atomic_t mr_count; - atomic_t mw_count; - atomic_t ah_count; - atomic_t pd_count; /* Max of 2 lossless traffic class supported per port */ u16 cosq[2]; @@ -171,6 +186,9 @@ struct bnxt_re_dev { atomic_t nq_alloc_cnt; u32 is_virtfn; u32 num_vfs; + struct bnxt_re_pacing pacing; + struct work_struct dbq_fifo_check_work; + struct delayed_work dbq_pacing_work; }; #define to_bnxt_re_dev(ptr, member) \ @@ -181,6 +199,7 @@ struct bnxt_re_dev { #define BNXT_RE_ROCEV2_IPV6_PACKET 3 #define BNXT_RE_CHECK_RC(x) ((x) && ((x) != -ETIMEDOUT)) +void bnxt_re_pacing_alert(struct bnxt_re_dev *rdev); static inline struct device *rdev_to_dev(struct bnxt_re_dev *rdev) { |