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/linux/tools/testing/selftests/drivers/net/mlxsw/
H A Ddevlink_trap_policer.sh140 devlink trap policer set $DEVLINK_DEV policer 1 burst 0 &> /dev/null
141 check_fail $? "Policer burst size was changed to 0"
142 devlink trap policer set $DEVLINK_DEV policer 1 burst 17 &> /dev/null
143 check_fail $? "Policer burst size was changed to burst size that is not power of 2"
144 devlink trap policer set $DEVLINK_DEV policer 1 burst 8 &> /dev/null
145 check_fail $? "Policer burst size was changed to burst size lower than limit"
147 burst $((2**25)) &> /dev/null
148 check_fail $? "Policer burst siz
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H A Dtc_restrictions.sh320 action police rate 0.5kbit burst 1m conform-exceed drop/ok
325 action police rate 2.5tbit burst 1g conform-exceed drop/ok
330 action police rate 1.5kbit burst 1m conform-exceed drop/ok
337 action police rate 1.9tbit burst 1g conform-exceed drop/ok
344 action police rate 1.5kbit burst 512b conform-exceed drop/ok
345 check_fail $? "Incorrect success to add police action with too low burst size"
349 action police rate 1.5kbit burst 2k conform-exceed drop/ok
350 check_err $? "Failed to add police action with low burst size"
356 log_test "police rate and burst limits"
370 action police rate 100mbit burst 10
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/linux/Documentation/devicetree/bindings/ata/
H A Dceva,ahci-1v84.yaml48 - description: CIBGN - COMINIT Burst Gap Nominal.
49 - description: CIBGMX - COMINIT Burst Gap Maximum.
50 - description: CIBGMN - COMINIT Burst Gap Minimum.
59 - description: CWBGMN - COMWAKE Burst Gap Minimum.
60 - description: CWBGMX - COMWAKE Burst Gap Maximum.
61 - description: CWBGN - COMWAKE Burst Gap Nominal.
64 ceva,p0-burst-params:
67 Burst timing value for COM parameter for port 0.
69 ceva,p0-burst-params = /bits/ 8 <BMX BNM SFD PTST>;
71 - description: BMX - COM Burst Maximu
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/linux/tools/testing/selftests/tc-testing/tc-tests/qdiscs/
H A Dtbf.json14 "cmdUnderTest": "$TC qdisc add dev $DUMMY handle 1: root tbf limit 1000 burst 1500 rate 10000",
17 "matchPattern": "qdisc tbf 1: root refcnt [0-9]+ rate 10Kbit burst 1500b limit 1000b",
35 "cmdUnderTest": "$TC qdisc add dev $DUMMY handle 1: root tbf limit 1000 burst 1500 rate 20000 mtu 2048",
38 "matchPattern": "qdisc tbf 1: root refcnt [0-9]+ rate 20Kbit burst 1500b limit 1000b",
56 "cmdUnderTest": "$TC qdisc add dev $DUMMY handle 1: root tbf limit 1000 burst 1500 rate 20000 mtu 1510 peakrate 30000",
59 "matchPattern": "qdisc tbf 1: root refcnt [0-9]+ rate 20Kbit burst 1500b peakrate 30Kbit minburst.*limit 1000b",
77 "cmdUnderTest": "$TC qdisc add dev $DUMMY handle 1: root tbf burst 1500 rate 20000 latency 100ms",
80 "matchPattern": "qdisc tbf 1: root refcnt [0-9]+ rate 20Kbit burst 1500b lat 100ms",
98 "cmdUnderTest": "$TC qdisc add dev $DUMMY handle 1: root tbf limit 1000 burst 1500 rate 20000 overhead 300",
101 "matchPattern": "qdisc tbf 1: root refcnt [0-9]+ rate 20Kbit burst 180
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/linux/lib/
H A Dratelimit.c20 * This enforces a rate limit: not more than @rs->burst callbacks
34 int burst = READ_ONCE(rs->burst); in ___ratelimit() local
39 * Zero interval says never limit, otherwise, non-positive burst in ___ratelimit()
42 if (interval <= 0 || burst <= 0) { in ___ratelimit()
43 WARN_ONCE(interval < 0 || burst < 0, "Negative interval (%d) or burst (%d): Uninitialized ratelimit_state structure?\n", interval, burst); in ___ratelimit()
44 ret = interval == 0 || burst > 0; in ___ratelimit()
45 if (!(READ_ONCE(rs->flags) & RATELIMIT_INITIALIZED) || (!interval && !burst) || in ___ratelimit()
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/linux/drivers/gpu/drm/nouveau/dispnv04/
H A Darb.c38 int burst; member
103 fifo->burst = cbs; in nv04_calc_arb()
117 * to the CRTC FIFO burst. (ns) */ in nv10_calc_arb()
169 /* FIFO burst */ in nv10_calc_arb()
171 /* Max burst not leading to overflows. */ in nv10_calc_arb()
174 fifo->burst = min(max_burst_o, 1024); in nv10_calc_arb()
176 /* Max burst value with an acceptable latency. */ in nv10_calc_arb()
178 fifo->burst = min(max_burst_l, fifo->burst); in nv10_calc_arb()
180 fifo->burst in nv10_calc_arb()
194 nv04_update_arb(struct drm_device * dev,int VClk,int bpp,int * burst,int * lwm) nv04_update_arb() argument
239 nv20_update_arb(int * burst,int * lwm) nv20_update_arb() argument
252 nouveau_calc_arb(struct drm_device * dev,int vclk,int bpp,int * burst,int * lwm) nouveau_calc_arb() argument
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/linux/include/net/tc_act/
H A Dtc_police.h42 u32 burst; member
62 u32 burst; in tcf_police_burst() local
68 * "rate" bytes "burst" nanoseconds in tcf_police_burst()
77 * "rate" bytes "burst" nanoseconds 2^6 ticks in tcf_police_burst()
81 * "rate" * "burst" in tcf_police_burst()
86 * "rate" * "burst" in tcf_police_burst()
90 burst = div_u64(params->tcfp_burst * params->rate.rate_bytes_ps, in tcf_police_burst()
93 return burst; in tcf_police_burst()
110 u32 burst; in tcf_police_burst_pkt() local
116 * "rate" pkts "burst" nanosecond in tcf_police_burst_pkt()
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/linux/Documentation/devicetree/bindings/usb/
H A Dsnps,dwc3-common.yaml271 start the corresponding USB RX transaction (burst).
281 snps,rx-max-burst:
283 Max USB RX burst size. In host mode, this field specifies the
284 Maximum Bulk IN burst the DWC_usb3 core can perform. When the system
285 bus is slower than the USB, RX FIFO can overrun during a long burst.
286 You can program a smaller value to this field to limit the RX burst
301 transmission for the corresponding USB transaction (burst).
310 snps,tx-max-burst:
312 Max USB TX burst size. When the system bus is slower than the USB,
313 TX FIFO can underrun during a long burst
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H A Dchipidea,usb2-common.yaml54 ahb-burst-config:
58 used to change AHB burst configuration, check the chipidea spec for
65 tx-burst-size-dword:
67 it is vendor dependent, the tx burst size in dword (4 bytes), This
68 register represents the maximum length of a the burst in 32-bit
70 of this property will only take effect if property "ahb-burst-config"
77 rx-burst-size-dword:
79 it is vendor dependent, the rx burst size in dword (4 bytes), This
80 register represents the maximum length of a the burst in 32-bit words
82 this property will only take effect if property "ahb-burst
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/linux/Documentation/devicetree/bindings/net/
H A Dlantiq,etop-xway.yaml32 lantiq,tx-burst-length:
35 TX programmable burst length.
38 lantiq,rx-burst-length:
41 RX programmable burst length.
51 - lantiq,tx-burst-length
52 - lantiq,rx-burst-length
65 lantiq,tx-burst-length = <8>;
66 lantiq,rx-burst-length = <8>;
H A Dsamsung-sxgbe.txt15 - samsung,pbl: Integer, Programmable Burst Length.
17 - samsung,burst-map: Integer, Program the possible bursts supported by sxgbe
18 This is an integer and represents allowable DMA bursts when fixed burst.
19 Allowable range is 0x01-0x3F. When this field is set fixed burst is enabled.
20 When fixed length is needed for burst mode, it can be set within allowable
48 samsung,burst-map = <0x20>
/linux/Documentation/devicetree/bindings/dma/
H A Drenesas,nbpfaxi.txt26 - max-burst-mem-read: limit burst size for memory reads
28 than using the maximum burst size allowed by the hardware's buffer size.
29 - max-burst-mem-write: limit burst size for memory writes
31 than using the maximum burst size allowed by the hardware's buffer size.
32 If both max-burst-mem-read and max-burst-mem-write are set, DMA_MEM_TO_MEM
/linux/Documentation/devicetree/bindings/dma/stm32/
H A Dst,stm32-dma3.yaml73 -bit 0: The source incrementing burst
74 0x0: fixed burst
75 0x1: contiguously incremented burst
79 -bit 4: The destination incrementing burst
80 0x0: fixed burst
81 0x1: contiguously incremented burst
86 0x0: burst
100 0x0: pack/unpack enabled when source data width/burst != destination data width/burst
101 0x1: memory data width/burst force
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/linux/samples/pktgen/
H A Dpktgen_sample03_burst_single_flow.sh7 # Using pktgen "burst" option (use -b $N)
37 [ -z "$BURST" ] && BURST=32
82 # Setup burst, for easy testing -b 0 disable bursting
83 # (internally in pktgen default and minimum burst=1)
84 if [[ ${BURST} -ne 0 ]]; then
85 pg_set $dev "burst $BURST"
87 info "$dev: Not using burst"
H A Dpktgen_sample05_flow_per_thread.sh29 [ -z "$BURST" ] && BURST=32
77 # Setup burst, for easy testing -b 0 disable bursting
78 # (internally in pktgen default and minimum burst=1)
79 if [[ ${BURST} -ne 0 ]]; then
80 pg_set $dev "burst $BURST"
82 info "$dev: Not using burst"
/linux/drivers/net/ethernet/microchip/lan966x/
H A Dlan966x_police.c15 u32 burst; member
26 /* Avoid zero burst size */ in lan966x_police_add()
27 pol->burst = pol->burst ?: 1; in lan966x_police_add()
29 pol->burst = DIV_ROUND_UP(pol->burst, 4096); in lan966x_police_add()
32 pol->burst > GENMASK(6, 0)) in lan966x_police_add()
46 ANA_POL_PIR_CFG_PIR_BURST_SET(pol->burst), in lan966x_police_add()
153 pol.burst = act->police.burst; in lan966x_police_port_add()
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/linux/drivers/atm/
H A DKconfig65 bool "Fine-tune burst settings"
70 transfer is called a burst.
72 The default settings for the burst sizes are suitable for most PCI
76 The burst sizes can be set independently in the send (TX) and
79 Note that enabling many different burst sizes in the same direction
82 available burst size.
92 Burst sixteen words at once in the send direction. This may work
99 Burst eight words at once in the send direction. This is the default
106 Burst four words at once in the send direction. You may want to try
114 Burst tw
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/linux/drivers/dma/dw-edma/
H A Ddw-edma-core.c45 struct dw_edma_burst *burst; in dw_edma_alloc_burst() local
47 burst = kzalloc(sizeof(*burst), GFP_NOWAIT); in dw_edma_alloc_burst()
48 if (unlikely(!burst)) in dw_edma_alloc_burst()
51 INIT_LIST_HEAD(&burst->list); in dw_edma_alloc_burst()
52 if (chunk->burst) { in dw_edma_alloc_burst()
55 list_add_tail(&burst->list, &chunk->burst->list); in dw_edma_alloc_burst()
59 chunk->burst = burst; in dw_edma_alloc_burst()
357 struct dw_edma_burst *burst; dw_edma_device_transfer() local
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/linux/Documentation/scheduler/
H A Dsched-bwc.rst25 Burst feature
40 The burst feature observes that a workload doesn't always executes the full
62 The interference when using burst is valued by the possibilities for
70 Quota, period and burst are managed within the cpu subsystem via cgroupfs.
135 - nr_bursts: Number of periods burst occurs.
179 allows applications to briefly burst past their quota limits by the amount of
181 1ms per cpu or as defined by min_cfs_rq_runtime). This slight burst only
183 in previous periods. This burst amount will not be transferred between cores.
186 also limits the burst ability to no more than 1ms per cpu. This provides
224 The larger period here allows for increased burst capacit
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/linux/net/bridge/netfilter/
H A Debt_limit.c74 if (info->burst == 0 || in ebt_limit_mt_check()
75 user2credits(info->avg * info->burst) < user2credits(info->avg)) { in ebt_limit_mt_check()
77 info->avg, info->burst); in ebt_limit_mt_check()
83 info->credit = user2credits(info->avg * info->burst); in ebt_limit_mt_check()
84 info->credit_cap = user2credits(info->avg * info->burst); in ebt_limit_mt_check()
93 * only avg/burst have meaningful values in userspace.
96 compat_uint_t avg, burst; member
/linux/drivers/dma/qcom/
H A Dqcom_adm.c190 * adm_get_blksize - Get block size from burst value
192 * @burst: Burst size of transaction
194 static int adm_get_blksize(unsigned int burst) in adm_get_blksize() argument
198 switch (burst) { in adm_get_blksize()
203 ret = ffs(burst >> 4) - 1; in adm_get_blksize()
226 * @burst: Burst size of transaction
231 u32 burst, in adm_process_fc_descriptors() argument
244 row_offset = burst; in adm_process_fc_descriptors()
358 u32 i, burst; adm_prep_slave_sg() local
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/linux/Documentation/devicetree/bindings/memory-controllers/fsl/
H A Dfsl,imx-weim.yaml77 fsl,burst-clk-enable:
81 in Burst Clock Mode.
83 fsl,continuous-burst-clk:
86 Make Burst Clock to output continuous clock. Without this option Burst
118 fsl,burst-clk-enable: false
122 - fsl,burst-clk-enable
125 fsl,continuous-burst-clk: false
/linux/Documentation/devicetree/bindings/memory-controllers/
H A Dti,gpmc-child.yaml94 gpmc,page-burst-access-ns:
164 burst accesses, defines the number of
178 gpmc,burst-length:
179 description: Page/burst length.
184 gpmc,burst-wrap:
188 gpmc,burst-read:
189 description: Enables read page/burst mode
192 gpmc,burst-write:
193 description: Enables write page/burst mode
/linux/drivers/net/ethernet/mscc/
H A Docelot_police.c56 cbs = (cbs ? cbs : 1); /* No zero burst size */ in qos_policer_conf_set()
57 cbs_max = 60; /* Limit burst size */ in qos_policer_conf_set()
70 pbs = (pbs ? pbs : 1); /* No zero burst size */ in qos_policer_conf_set()
71 pbs_max = 60; /* Limit burst size */ in qos_policer_conf_set()
80 pbs = (pbs ? pbs : 1); /* No zero burst size */ in qos_policer_conf_set()
81 pbs_max = GENMASK(6, 0); /* Limit burst size */ in qos_policer_conf_set()
91 pbs = (pbs ? pbs : 1); /* No zero burst size */ in qos_policer_conf_set()
92 pbs_max = 61; /* Limit burst size */ in qos_policer_conf_set()
97 /* Disable policer using maximum rate and zero burst */ in qos_policer_conf_set()
213 pp.pbs = pol->burst; in ocelot_port_policer_add()
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/linux/Documentation/netlink/specs/
H A Dnet_shaper.yaml85 doc: Metric used by the given shaper for bw-min, bw-max and burst.
95 name: burst
98 Maximum burst-size for shaping. Should not be interpreted
172 doc: The device accepts 'bps' metric for bw-min, bw-max and burst.
176 doc: The device accepts 'pps' metric for bw-min, bw-max and burst.
193 name: support-burst
195 doc: The device supports a maximum burst size.
228 - burst
259 - burst
322 - burst
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