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/linux-6.8/lib/dim/
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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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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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-6.8/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-6.8/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-6.8/drivers/net/ethernet/intel/ice/
Dice_trace.h62 /* Events related to DIM, q_vectors and ring containers */
64 TP_PROTO(struct ice_q_vector *q_vector, struct dim *dim),
65 TP_ARGS(q_vector, dim),
67 __field(struct dim *, dim)
71 __entry->dim = dim;
74 …TP_printk("netdev: %s Rx-Q: %d dim-state: %d dim-profile: %d dim-tune: %d dim-st-right: %d dim-st-…
77 __entry->dim->state,
78 __entry->dim->profile_ix,
79 __entry->dim->tune_state,
80 __entry->dim->steps_right,
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/linux-6.8/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-6.8/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-6.8/drivers/infiniband/core/
Dcq.c41 struct dim *dim = container_of(w, struct dim, work); in ib_cq_rdma_dim_work() local
42 struct ib_cq *cq = dim->priv; in ib_cq_rdma_dim_work()
44 u16 usec = rdma_dim_prof[dim->profile_ix].usec; in ib_cq_rdma_dim_work()
45 u16 comps = rdma_dim_prof[dim->profile_ix].comps; in ib_cq_rdma_dim_work()
47 dim->state = DIM_START_MEASURE; in ib_cq_rdma_dim_work()
55 struct dim *dim; in rdma_dim_init() local
61 dim = kzalloc(sizeof(struct dim), GFP_KERNEL); in rdma_dim_init()
62 if (!dim) in rdma_dim_init()
65 dim->state = DIM_START_MEASURE; in rdma_dim_init()
66 dim->tune_state = DIM_GOING_RIGHT; in rdma_dim_init()
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/linux-6.8/drivers/leds/
Dleds-aw200xx.c78 /* DIM current configuration register on page 1 */
83 * DIM current configuration register (page 4).
84 * The even address for current DIM configuration.
111 int dim; member
131 int dim = led->dim; in dim_show() local
133 if (dim < 0) in dim_show()
136 return sysfs_emit(buf, "%d\n", dim); in dim_show()
146 int dim; in dim_store() local
150 dim = -1; in dim_store()
152 ret = kstrtoint(buf, 0, &dim); in dim_store()
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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-6.8/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-6.8/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-6.8/Documentation/ABI/testing/
Dsysfs-class-led-driver-aw200xx1 What: /sys/class/leds/<led>/dim
3 Description: 64-level DIM current. If you write a negative value or
4 "auto", the dim will be calculated according to the
/linux-6.8/tools/perf/
Dbuiltin-c2c.c442 struct c2c_dimension *dim; member
465 struct c2c_dimension *dim; in c2c_width() local
468 dim = c2c_fmt->dim; in c2c_width()
470 if (dim == &dim_symbol || dim == &dim_srcline) in c2c_width()
471 return symbol_width(hists, dim->se); in c2c_width()
473 return dim->se ? hists__col_len(hists, dim->se->se_width_idx) : in c2c_width()
474 c2c_fmt->dim->width; in c2c_width()
482 struct c2c_dimension *dim; in c2c_header() local
487 dim = c2c_fmt->dim; in c2c_header()
489 if (dim->se) { in c2c_header()
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/linux-6.8/tools/perf/util/
Dsort.c2349 #define DIM(d, n, func) [d] = { .name = n, .entry = &(func) } macro
2352 DIM(SORT_PID, "pid", sort_thread),
2353 DIM(SORT_COMM, "comm", sort_comm),
2354 DIM(SORT_DSO, "dso", sort_dso),
2355 DIM(SORT_SYM, "symbol", sort_sym),
2356 DIM(SORT_PARENT, "parent", sort_parent),
2357 DIM(SORT_CPU, "cpu", sort_cpu),
2358 DIM(SORT_SOCKET, "socket", sort_socket),
2359 DIM(SORT_SRCLINE, "srcline", sort_srcline),
2360 DIM(SORT_SRCFILE, "srcfile", sort_srcfile),
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/linux-6.8/drivers/staging/most/dim2/
Derrors.h13 * MOST DIM errors.
31 /** DIM API is called while DIM is not initialized successfully */
/linux-6.8/drivers/net/ethernet/broadcom/
Dbcmsysport.c637 ec->use_adaptive_rx_coalesce = priv->dim.use_dim; in bcm_sysport_get_coalesce()
674 if (ec->use_adaptive_rx_coalesce && !priv->dim.use_dim) { in bcm_sysport_set_coalesce()
675 moder = net_dim_get_def_rx_moderation(priv->dim.dim.mode); in bcm_sysport_set_coalesce()
680 priv->dim.use_dim = ec->use_adaptive_rx_coalesce; in bcm_sysport_set_coalesce()
879 priv->dim.packets = processed; in bcm_sysport_desc_rx()
880 priv->dim.bytes = processed_bytes; in bcm_sysport_desc_rx()
1053 if (priv->dim.use_dim) { in bcm_sysport_poll()
1054 dim_update_sample(priv->dim.event_ctr, priv->dim.packets, in bcm_sysport_poll()
1055 priv->dim.bytes, &dim_sample); in bcm_sysport_poll()
1056 net_dim(&priv->dim.dim, dim_sample); in bcm_sysport_poll()
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/linux-6.8/drivers/soc/fsl/dpio/
Ddpio-service.c15 #include <linux/dim.h>
33 /* Net DIM */
34 struct dim rx_dim;
35 /* protect against concurrent Net DIM updates */
114 struct dim *dim = container_of(w, struct dim, work); in dpaa2_io_dim_work() local
116 net_dim_get_rx_moderation(dim->mode, dim->profile_ix); in dpaa2_io_dim_work()
117 struct dpaa2_io *d = container_of(dim, struct dpaa2_io, rx_dim); in dpaa2_io_dim_work()
120 dim->state = DIM_START_MEASURE; in dpaa2_io_dim_work()
876 * dpaa2_io_update_net_dim() - Update Net DIM
/linux-6.8/drivers/net/ethernet/broadcom/genet/
Dbcmgenet.c832 ec->use_adaptive_rx_coalesce |= ring->dim.use_dim; in bcmgenet_get_coalesce()
835 ec->use_adaptive_rx_coalesce |= ring->dim.use_dim; in bcmgenet_get_coalesce()
866 if (ec->use_adaptive_rx_coalesce && !ring->dim.use_dim) { in bcmgenet_set_ring_rx_coalesce()
867 moder = net_dim_get_def_rx_moderation(ring->dim.dim.mode); in bcmgenet_set_ring_rx_coalesce()
872 ring->dim.use_dim = ec->use_adaptive_rx_coalesce; in bcmgenet_set_ring_rx_coalesce()
2386 ring->dim.bytes = bytes_processed; in bcmgenet_desc_rx()
2387 ring->dim.packets = rxpktprocessed; in bcmgenet_desc_rx()
2407 if (ring->dim.use_dim) { in bcmgenet_rx_poll()
2408 dim_update_sample(ring->dim.event_ctr, ring->dim.packets, in bcmgenet_rx_poll()
2409 ring->dim.bytes, &dim_sample); in bcmgenet_rx_poll()
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/linux-6.8/drivers/net/ethernet/hisilicon/hns3/
Dhns3_debugfs.c488 struct dim *dim; in hns3_get_coal_info() local
493 dim = &tqp_vector->tx_group.dim; in hns3_get_coal_info()
499 dim = &tqp_vector->rx_group.dim; in hns3_get_coal_info()
506 sprintf(result[j++], "%s", dim->state < ARRAY_SIZE(dim_state_str) ? in hns3_get_coal_info()
507 dim_state_str[dim->state] : "unknown"); in hns3_get_coal_info()
508 sprintf(result[j++], "%u", dim->profile_ix); in hns3_get_coal_info()
509 sprintf(result[j++], "%s", dim->mode < ARRAY_SIZE(dim_cqe_mode_str) ? in hns3_get_coal_info()
510 dim_cqe_mode_str[dim->mode] : "unknown"); in hns3_get_coal_info()
512 dim->tune_state < ARRAY_SIZE(dim_tune_stat_str) ? in hns3_get_coal_info()
513 dim_tune_stat_str[dim->tune_state] : "unknown"); in hns3_get_coal_info()
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/linux-6.8/include/uapi/linux/netfilter/
Dxt_set.h23 __u8 dim; member
43 __u8 dim; member
/linux-6.8/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

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