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/linux-6.15/drivers/net/ethernet/mellanox/mlx5/core/
Den_dim.c34 #include "en/dim.h"
37 mlx5e_complete_dim_work(struct dim *dim, struct dim_cq_moder moder, in mlx5e_complete_dim_work() argument
42 dim->state = DIM_START_MEASURE; in mlx5e_complete_dim_work()
47 struct dim *dim = container_of(work, struct dim, work); in mlx5e_rx_dim_work() local
48 struct mlx5e_rq *rq = dim->priv; in mlx5e_rx_dim_work()
50 net_dim_get_rx_moderation(dim->mode, dim->profile_ix); in mlx5e_rx_dim_work()
52 mlx5e_complete_dim_work(dim, cur_moder, rq->mdev, &rq->cq.mcq); in mlx5e_rx_dim_work()
57 struct dim *dim = container_of(work, struct dim, work); in mlx5e_tx_dim_work() local
58 struct mlx5e_txqsq *sq = dim->priv; in mlx5e_tx_dim_work()
60 net_dim_get_tx_moderation(dim->mode, dim->profile_ix); in mlx5e_tx_dim_work()
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/linux-6.15/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>
10 * Net DIM profiles:
168 void net_dim_setting(struct net_device *dev, struct dim *dim, bool is_tx) in net_dim_setting() argument
176 INIT_WORK(&dim->work, irq_moder->tx_dim_work); in net_dim_setting()
177 dim->mode = READ_ONCE(irq_moder->dim_tx_mode); in net_dim_setting()
181 INIT_WORK(&dim->work, irq_moder->rx_dim_work); in net_dim_setting()
182 dim->mode = READ_ONCE(irq_moder->dim_rx_mode); in net_dim_setting()
186 void net_dim_work_cancel(struct dim *dim) in net_dim_work_cancel() argument
188 cancel_work_sync(&dim->work); in net_dim_work_cancel()
193 struct dim *dim) in net_dim_get_rx_irq_moder() argument
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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
7 dimlib-y := dim.o net_dim.o rdma_dim.o
/linux-6.15/include/linux/
Ddim.h15 /* Number of DIM profiles and period mode. */
23 * Number of events between DIM iterations.
44 * Used for communications between DIM and its consumer.
46 * @usec: CQ timer suggestion (by DIM)
47 * @pkts: CQ packet counter suggestion (by DIM)
73 * @dim_rx_mode: Rx DIM period count mode: CQE or EQE
74 * @dim_tx_mode: Tx DIM period count mode: CQE or EQE
75 * @rx_profile: DIM profile list for Rx
76 * @tx_profile: DIM profile list for Tx
77 * @rx_dim_work: Rx DIM worker scheduled by net_dim()
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/linux-6.15/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-6.15/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-6.15/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-6.15/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-6.15/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-6.15/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-6.15/drivers/net/ethernet/mellanox/mlx5/core/en/
Dchannels.c6 #include "en/dim.h"
95 /* If dim is enabled for the channel, reset the dim state so the in mlx5e_channels_rx_toggle_dim()
101 if (chs->c[i]->rq.dim) { in mlx5e_channels_rx_toggle_dim()
122 /* If dim is enabled for the channel, reset the dim in mlx5e_channels_tx_toggle_dim()
129 if (!chs->c[i]->sq[tc].dim) in mlx5e_channels_tx_toggle_dim()
Ddim.h7 #include <linux/dim.h>
16 /* convert a boolean value for cqe mode to appropriate dim constant
/linux-6.15/tools/perf/util/
Dsort.c2507 #define DIM(d, n, func) [d] = { .name = n, .entry = &(func) } macro
2510 DIM(SORT_PID, "pid", sort_thread),
2511 DIM(SORT_COMM, "comm", sort_comm),
2512 DIM(SORT_DSO, "dso", sort_dso),
2513 DIM(SORT_SYM, "symbol", sort_sym),
2514 DIM(SORT_PARENT, "parent", sort_parent),
2515 DIM(SORT_CPU, "cpu", sort_cpu),
2516 DIM(SORT_SOCKET, "socket", sort_socket),
2517 DIM(SORT_SRCLINE, "srcline", sort_srcline),
2518 DIM(SORT_SRCFILE, "srcfile", sort_srcfile),
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/linux-6.15/drivers/staging/media/atomisp/pci/isp/kernels/sdis/sdis_1.0/
Dia_css_sdis.host.c130 hor_num_3a = dvs_binary->dis.coef.dim.width; in ia_css_get_isp_dis_coefficients()
131 ver_num_3a = dvs_binary->dis.coef.dim.height; in ia_css_get_isp_dis_coefficients()
181 dis->grid.dim.width = in ia_css_sdis_init_info()
183 dis->grid.dim.height = in ia_css_sdis_init_info()
190 dis->coef.dim.width = in ia_css_sdis_init_info()
193 dis->coef.dim.height = in ia_css_sdis_init_info()
201 dis->proj.dim.width = in ia_css_sdis_init_info()
203 dis->proj.dim.height = in ia_css_sdis_init_info()
206 dis->proj.dim.width = in ia_css_sdis_init_info()
209 dis->proj.dim.height = in ia_css_sdis_init_info()
/linux-6.15/tools/perf/
Dbuiltin-c2c.c425 struct c2c_dimension *dim; member
448 struct c2c_dimension *dim; in c2c_width() local
451 dim = c2c_fmt->dim; in c2c_width()
453 if (dim == &dim_symbol || dim == &dim_srcline) in c2c_width()
454 return symbol_width(hists, dim->se); in c2c_width()
456 return dim->se ? hists__col_len(hists, dim->se->se_width_idx) : in c2c_width()
457 c2c_fmt->dim->width; in c2c_width()
465 struct c2c_dimension *dim; in c2c_header() local
470 dim = c2c_fmt->dim; in c2c_header()
472 if (dim->se) { in c2c_header()
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/linux-6.15/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-6.15/drivers/staging/most/dim2/
Derrors.h13 * MOST DIM errors.
31 /** DIM API is called while DIM is not initialized successfully */
/linux-6.15/drivers/net/ethernet/broadcom/
Dbcmsysport.c603 ec->use_adaptive_rx_coalesce = priv->dim.use_dim; in bcm_sysport_get_coalesce()
640 if (ec->use_adaptive_rx_coalesce && !priv->dim.use_dim) { in bcm_sysport_set_coalesce()
641 moder = net_dim_get_def_rx_moderation(priv->dim.dim.mode); in bcm_sysport_set_coalesce()
646 priv->dim.use_dim = ec->use_adaptive_rx_coalesce; in bcm_sysport_set_coalesce()
845 priv->dim.packets = processed; in bcm_sysport_desc_rx()
846 priv->dim.bytes = processed_bytes; in bcm_sysport_desc_rx()
1019 if (priv->dim.use_dim) { in bcm_sysport_poll()
1020 dim_update_sample(priv->dim.event_ctr, priv->dim.packets, in bcm_sysport_poll()
1021 priv->dim.bytes, &dim_sample); in bcm_sysport_poll()
1022 net_dim(&priv->dim.dim, &dim_sample); in bcm_sysport_poll()
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/linux-6.15/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-6.15/drivers/net/ethernet/hisilicon/hns3/
Dhns3_debugfs.c489 struct dim *dim; in hns3_get_coal_info() local
494 dim = &tqp_vector->tx_group.dim; in hns3_get_coal_info()
500 dim = &tqp_vector->rx_group.dim; in hns3_get_coal_info()
507 sprintf(result[j++], "%s", dim->state < ARRAY_SIZE(dim_state_str) ? in hns3_get_coal_info()
508 dim_state_str[dim->state] : "unknown"); in hns3_get_coal_info()
509 sprintf(result[j++], "%u", dim->profile_ix); in hns3_get_coal_info()
510 sprintf(result[j++], "%s", dim->mode < ARRAY_SIZE(dim_cqe_mode_str) ? in hns3_get_coal_info()
511 dim_cqe_mode_str[dim->mode] : "unknown"); in hns3_get_coal_info()
513 dim->tune_state < ARRAY_SIZE(dim_tune_stat_str) ? in hns3_get_coal_info()
514 dim_tune_stat_str[dim->tune_state] : "unknown"); in hns3_get_coal_info()
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/linux-6.15/drivers/net/ethernet/broadcom/genet/
Dbcmgenet.c846 ec->use_adaptive_rx_coalesce |= ring->dim.use_dim; in bcmgenet_get_coalesce()
878 if (ec->use_adaptive_rx_coalesce && !ring->dim.use_dim) { in bcmgenet_set_ring_rx_coalesce()
879 moder = net_dim_get_def_rx_moderation(ring->dim.dim.mode); in bcmgenet_set_ring_rx_coalesce()
884 ring->dim.use_dim = ec->use_adaptive_rx_coalesce; in bcmgenet_set_ring_rx_coalesce()
2379 ring->dim.bytes = bytes_processed; in bcmgenet_desc_rx()
2380 ring->dim.packets = rxpktprocessed; in bcmgenet_desc_rx()
2400 if (ring->dim.use_dim) { in bcmgenet_rx_poll()
2401 dim_update_sample(ring->dim.event_ctr, ring->dim.packets, in bcmgenet_rx_poll()
2402 ring->dim.bytes, &dim_sample); in bcmgenet_rx_poll()
2403 net_dim(&ring->dim.dim, &dim_sample); in bcmgenet_rx_poll()
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