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/Linux-v5.15/lib/dim/
Dnet_dim.c6 #include <linux/dim.h>
9 * Net DIM profiles:
104 static int net_dim_step(struct dim *dim) in net_dim_step() argument
106 if (dim->tired == (NET_DIM_PARAMS_NUM_PROFILES * 2)) in net_dim_step()
109 switch (dim->tune_state) { in net_dim_step()
114 if (dim->profile_ix == (NET_DIM_PARAMS_NUM_PROFILES - 1)) in net_dim_step()
116 dim->profile_ix++; in net_dim_step()
117 dim->steps_right++; in net_dim_step()
120 if (dim->profile_ix == 0) in net_dim_step()
122 dim->profile_ix--; in net_dim_step()
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Drdma_dim.c6 #include <linux/dim.h>
8 static int rdma_dim_step(struct dim *dim) in rdma_dim_step() argument
10 if (dim->tune_state == DIM_GOING_RIGHT) { in rdma_dim_step()
11 if (dim->profile_ix == (RDMA_DIM_PARAMS_NUM_PROFILES - 1)) in rdma_dim_step()
13 dim->profile_ix++; in rdma_dim_step()
14 dim->steps_right++; in rdma_dim_step()
16 if (dim->tune_state == DIM_GOING_LEFT) { in rdma_dim_step()
17 if (dim->profile_ix == 0) in rdma_dim_step()
19 dim->profile_ix--; in rdma_dim_step()
20 dim->steps_left++; in rdma_dim_step()
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Ddim.c6 #include <linux/dim.h>
8 bool dim_on_top(struct dim *dim) in dim_on_top() argument
10 switch (dim->tune_state) { in dim_on_top()
15 return (dim->steps_left > 1) && (dim->steps_right == 1); in dim_on_top()
17 return (dim->steps_right > 1) && (dim->steps_left == 1); in dim_on_top()
22 void dim_turn(struct dim *dim) in dim_turn() argument
24 switch (dim->tune_state) { in dim_turn()
29 dim->tune_state = DIM_GOING_LEFT; in dim_turn()
30 dim->steps_left = 0; in dim_turn()
33 dim->tune_state = DIM_GOING_RIGHT; in dim_turn()
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DMakefile2 # DIM Dynamic Interrupt Moderation library
5 obj-$(CONFIG_DIMLIB) += dim.o
7 dim-y := dim.o net_dim.o rdma_dim.o
/Linux-v5.15/drivers/net/ethernet/intel/ice/
Dice_trace.h61 /* Events related to DIM, q_vectors and ring containers */
63 TP_PROTO(struct ice_q_vector *q_vector, struct dim *dim),
64 TP_ARGS(q_vector, dim),
66 __field(struct dim *, dim)
70 __entry->dim = dim;
73 …TP_printk("netdev: %s Rx-Q: %d dim-state: %d dim-profile: %d dim-tune: %d dim-st-right: %d dim-st-…
76 __entry->dim->state,
77 __entry->dim->profile_ix,
78 __entry->dim->tune_state,
79 __entry->dim->steps_right,
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/Linux-v5.15/include/linux/
Ddim.h14 * Number of events between DIM iterations.
35 * Used for communications between DIM and its consumer.
37 * @usec: CQ timer suggestion (by DIM)
38 * @pkts: CQ packet counter suggestion (by DIM)
50 * struct dim_sample - Structure for DIM sample data.
51 * Used for communications between DIM and its consumer.
68 * struct dim_stats - Structure for DIM stats.
86 * struct dim - Main structure for dynamic interrupt moderation (DIM).
87 * Used for holding all information about a specific DIM instance.
94 * @priv: A pointer to the struct that points to dim
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/Linux-v5.15/Documentation/networking/
Dnet_dim.rst2 Net DIM - Generic Network Dynamic Interrupt Moderation
19 Dynamic Interrupt Moderation (DIM) (in networking) refers to changing the
23 runtime data sampled from the system. Net DIM is such a mechanism. In each
28 samples is also measured. Net DIM compares the current and the previous data and
32 number of wanted packets per event. The Net DIM algorithm ascribes importance to
36 Net DIM Algorithm
39 Each iteration of the Net DIM algorithm follows these steps:
47 supplied by the driver registered to Net DIM. The previous data is the new data
58 certain percentage. Also, since Net DIM does not measure anything by itself, it
75 the Net DIM API and provided by the registered driver.
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/Linux-v5.15/drivers/net/ethernet/mellanox/mlx5/core/
Den_dim.c33 #include <linux/dim.h>
37 mlx5e_complete_dim_work(struct dim *dim, struct dim_cq_moder moder, in mlx5e_complete_dim_work() argument
41 dim->state = DIM_START_MEASURE; in mlx5e_complete_dim_work()
46 struct dim *dim = container_of(work, struct dim, work); in mlx5e_rx_dim_work() local
47 struct mlx5e_rq *rq = container_of(dim, struct mlx5e_rq, dim); in mlx5e_rx_dim_work()
49 net_dim_get_rx_moderation(dim->mode, dim->profile_ix); in mlx5e_rx_dim_work()
51 mlx5e_complete_dim_work(dim, cur_moder, rq->mdev, &rq->cq.mcq); in mlx5e_rx_dim_work()
56 struct dim *dim = container_of(work, struct dim, work); in mlx5e_tx_dim_work() local
57 struct mlx5e_txqsq *sq = container_of(dim, struct mlx5e_txqsq, dim); in mlx5e_tx_dim_work()
59 net_dim_get_tx_moderation(dim->mode, dim->profile_ix); in mlx5e_tx_dim_work()
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/Linux-v5.15/drivers/net/ethernet/broadcom/bnxt/
Dbnxt_debugfs.c14 #include <linux/dim.h>
24 struct dim *dim = filep->private_data; in debugfs_dim_read() local
30 if (!dim) in debugfs_dim_read()
40 dim->state, in debugfs_dim_read()
41 dim->profile_ix, in debugfs_dim_read()
42 dim->mode, in debugfs_dim_read()
43 dim->tune_state, in debugfs_dim_read()
44 dim->steps_right, in debugfs_dim_read()
45 dim->steps_left, in debugfs_dim_read()
46 dim->tired); in debugfs_dim_read()
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Dbnxt_dim.c10 #include <linux/dim.h>
16 struct dim *dim = container_of(work, struct dim, work); in bnxt_dim_work() local
17 struct bnxt_cp_ring_info *cpr = container_of(dim, in bnxt_dim_work()
19 dim); in bnxt_dim_work()
24 net_dim_get_rx_moderation(dim->mode, dim->profile_ix); in bnxt_dim_work()
30 dim->state = DIM_START_MEASURE; in bnxt_dim_work()
/Linux-v5.15/drivers/infiniband/core/
Dcq.c42 struct dim *dim = container_of(w, struct dim, work); in ib_cq_rdma_dim_work() local
43 struct ib_cq *cq = dim->priv; in ib_cq_rdma_dim_work()
45 u16 usec = rdma_dim_prof[dim->profile_ix].usec; in ib_cq_rdma_dim_work()
46 u16 comps = rdma_dim_prof[dim->profile_ix].comps; in ib_cq_rdma_dim_work()
48 dim->state = DIM_START_MEASURE; in ib_cq_rdma_dim_work()
56 struct dim *dim; in rdma_dim_init() local
62 dim = kzalloc(sizeof(struct dim), GFP_KERNEL); in rdma_dim_init()
63 if (!dim) in rdma_dim_init()
66 dim->state = DIM_START_MEASURE; in rdma_dim_init()
67 dim->tune_state = DIM_GOING_RIGHT; in rdma_dim_init()
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/Linux-v5.15/net/netfilter/
Dxt_set.c41 .dim = d, \
58 ADT_OPT(opt, xt_family(par), info->match_set.u.compat.dim, in set_match_v0()
72 info->u.compat.dim = IPSET_DIM_ZERO; in compat_flags()
76 info->u.compat.dim++; in compat_flags()
78 info->u.compat.flags |= (1 << info->u.compat.dim); in compat_flags()
122 ADT_OPT(opt, xt_family(par), info->match_set.dim, in set_match_v1()
146 if (info->match_set.dim > IPSET_DIM_MAX) { in set_match_v1_checkentry()
170 ADT_OPT(opt, xt_family(par), info->match_set.dim, in set_match_v3()
193 ADT_OPT(opt, xt_family(par), info->match_set.dim, in set_match_v4()
216 ADT_OPT(add_opt, xt_family(par), info->add_set.u.compat.dim, in set_target_v0()
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/Linux-v5.15/drivers/leds/
Dleds-lp3944.c12 * This helper chip can drive up to 8 leds, with two programmable DIM modes;
16 * The DIM modes are used to set _blink_ patterns for leds, the pattern is
95 * lp3944_dim_set_period() - Set the period for DIM status
98 * @dim: either LP3944_DIM0 or LP3944_DIM1
101 static int lp3944_dim_set_period(struct i2c_client *client, u8 dim, u16 period) in lp3944_dim_set_period() argument
107 if (dim == LP3944_DIM0) in lp3944_dim_set_period()
109 else if (dim == LP3944_DIM1) in lp3944_dim_set_period()
126 * lp3944_dim_set_dutycycle - Set the duty cycle for DIM status
129 * @dim: either LP3944_DIM0 or LP3944_DIM1
132 static int lp3944_dim_set_dutycycle(struct i2c_client *client, u8 dim, in lp3944_dim_set_dutycycle() argument
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/Linux-v5.15/tools/perf/
Dbuiltin-c2c.c420 struct c2c_dimension *dim; member
443 struct c2c_dimension *dim; in c2c_width() local
446 dim = c2c_fmt->dim; in c2c_width()
448 if (dim == &dim_symbol || dim == &dim_srcline) in c2c_width()
449 return symbol_width(hists, dim->se); in c2c_width()
451 return dim->se ? hists__col_len(hists, dim->se->se_width_idx) : in c2c_width()
452 c2c_fmt->dim->width; in c2c_width()
460 struct c2c_dimension *dim; in c2c_header() local
465 dim = c2c_fmt->dim; in c2c_header()
467 if (dim->se) { in c2c_header()
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/Linux-v5.15/tools/perf/util/
Dsort.c1856 #define DIM(d, n, func) [d] = { .name = n, .entry = &(func) } macro
1859 DIM(SORT_PID, "pid", sort_thread),
1860 DIM(SORT_COMM, "comm", sort_comm),
1861 DIM(SORT_DSO, "dso", sort_dso),
1862 DIM(SORT_SYM, "symbol", sort_sym),
1863 DIM(SORT_PARENT, "parent", sort_parent),
1864 DIM(SORT_CPU, "cpu", sort_cpu),
1865 DIM(SORT_SOCKET, "socket", sort_socket),
1866 DIM(SORT_SRCLINE, "srcline", sort_srcline),
1867 DIM(SORT_SRCFILE, "srcfile", sort_srcfile),
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/Linux-v5.15/drivers/staging/media/atomisp/pci/isp/kernels/sdis/sdis_1.0/
Dia_css_sdis.host.c139 hor_num_3a = dvs_binary->dis.coef.dim.width; in ia_css_get_isp_dis_coefficients()
140 ver_num_3a = dvs_binary->dis.coef.dim.height; in ia_css_get_isp_dis_coefficients()
190 dis->grid.dim.width = in ia_css_sdis_init_info()
192 dis->grid.dim.height = in ia_css_sdis_init_info()
199 dis->coef.dim.width = in ia_css_sdis_init_info()
202 dis->coef.dim.height = in ia_css_sdis_init_info()
210 dis->proj.dim.width = in ia_css_sdis_init_info()
212 dis->proj.dim.height = in ia_css_sdis_init_info()
215 dis->proj.dim.width = in ia_css_sdis_init_info()
218 dis->proj.dim.height = in ia_css_sdis_init_info()
/Linux-v5.15/drivers/staging/most/dim2/
Derrors.h13 * MOST DIM errors.
31 /** DIM API is called while DIM is not initialized successfully */
/Linux-v5.15/drivers/net/ethernet/broadcom/
Dbcmsysport.c626 ec->use_adaptive_rx_coalesce = priv->dim.use_dim; in bcm_sysport_get_coalesce()
663 if (ec->use_adaptive_rx_coalesce && !priv->dim.use_dim) { in bcm_sysport_set_coalesce()
664 moder = net_dim_get_def_rx_moderation(priv->dim.dim.mode); in bcm_sysport_set_coalesce()
669 priv->dim.use_dim = ec->use_adaptive_rx_coalesce; in bcm_sysport_set_coalesce()
868 priv->dim.packets = processed; in bcm_sysport_desc_rx()
869 priv->dim.bytes = processed_bytes; in bcm_sysport_desc_rx()
1042 if (priv->dim.use_dim) { in bcm_sysport_poll()
1043 dim_update_sample(priv->dim.event_ctr, priv->dim.packets, in bcm_sysport_poll()
1044 priv->dim.bytes, &dim_sample); in bcm_sysport_poll()
1045 net_dim(&priv->dim.dim, dim_sample); in bcm_sysport_poll()
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/Linux-v5.15/drivers/net/ethernet/mediatek/
Dmtk_eth_soc.h19 #include <linux/dim.h>
880 * @dim_lock: Make sure that Net DIM operations are atomic
899 * @rx_events: Net DIM RX event counter
900 * @rx_packets: Net DIM RX packet counter
901 * @rx_bytes: Net DIM RX byte counter
902 * @rx_dim: Net DIM RX context
903 * @tx_events: Net DIM TX event counter
904 * @tx_packets: Net DIM TX packet counter
905 * @tx_bytes: Net DIM TX byte counter
906 * @tx_dim: Net DIM TX context
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/Linux-v5.15/drivers/net/ethernet/broadcom/genet/
Dbcmgenet.c850 ec->use_adaptive_rx_coalesce |= ring->dim.use_dim; in bcmgenet_get_coalesce()
853 ec->use_adaptive_rx_coalesce |= ring->dim.use_dim; in bcmgenet_get_coalesce()
884 if (ec->use_adaptive_rx_coalesce && !ring->dim.use_dim) { in bcmgenet_set_ring_rx_coalesce()
885 moder = net_dim_get_def_rx_moderation(ring->dim.dim.mode); in bcmgenet_set_ring_rx_coalesce()
890 ring->dim.use_dim = ec->use_adaptive_rx_coalesce; in bcmgenet_set_ring_rx_coalesce()
2325 ring->dim.bytes = bytes_processed; in bcmgenet_desc_rx()
2326 ring->dim.packets = rxpktprocessed; in bcmgenet_desc_rx()
2346 if (ring->dim.use_dim) { in bcmgenet_rx_poll()
2347 dim_update_sample(ring->dim.event_ctr, ring->dim.packets, in bcmgenet_rx_poll()
2348 ring->dim.bytes, &dim_sample); in bcmgenet_rx_poll()
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/Linux-v5.15/include/uapi/linux/netfilter/
Dxt_set.h23 __u8 dim; member
43 __u8 dim; member
/Linux-v5.15/Documentation/leds/
Dleds-lp3944.rst23 DIM modes; it could even be used as a gpio expander but this driver assumes it
26 The DIM modes are used to set _blink_ patterns for leds, the pattern is
/Linux-v5.15/drivers/video/backlight/
Darcxcnn_bl.c60 #define ARCXCNN_ILED_DIM_PWM 0x00 /* config dim mode pwm */
61 #define ARCXCNN_ILED_DIM_INT 0x04 /* config dim mode internal */
202 ret = of_property_read_u32(node, "arc,dim-freq", &prog_val); in arcxcnn_parse_dt()
282 /* insure dim mode is not default pwm */ in arcxcnn_probe()
/Linux-v5.15/net/sched/
Dem_ipset.c81 opt.dim = set->dim; in em_ipset_match()
/Linux-v5.15/drivers/media/test-drivers/vicodec/
Dcodec-fwht.h64 #define vic_round_dim(dim, div) (round_up((dim) / (div), 8) * (div)) argument

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