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/linux/tools/testing/selftests/tc-testing/tc-tests/qdiscs/
H A Dfq_codel.json17 …"matchPattern": "qdisc fq_codel 1: root refcnt [0-9]+ limit 10240p flows 1024 quantum.*target 5ms …
38 …"matchPattern": "qdisc fq_codel 1: root refcnt [0-9]+ limit 1000p flows 1024 quantum.*target 5ms i…
59 …"matchPattern": "qdisc fq_codel 1: root refcnt [0-9]+ limit 10240p flows 1024 quantum.*target 5ms …
80 …"matchPattern": "qdisc fq_codel 1: root refcnt [0-9]+ limit 10240p flows 1024 quantum.*target 2ms …
101 …"matchPattern": "qdisc fq_codel 1: root refcnt [0-9]+ limit 10240p flows 1024 quantum.*target 5ms …
122 …"matchPattern": "qdisc fq_codel 1: root refcnt [0-9]+ limit 10240p flows 1024 quantum 9000 target …
143 …"matchPattern": "qdisc fq_codel 1: root refcnt [0-9]+ limit 10240p flows 1024 quantum.*target 5ms …
164 …"matchPattern": "qdisc fq_codel 1: root refcnt [0-9]+ limit 10240p flows 1024 quantum.*target 5ms …
185 …"matchPattern": "qdisc fq_codel 1: root refcnt [0-9]+ limit 10240p flows 1024 quantum.*target 5ms …
203 …"cmdUnderTest": "$TC qdisc add dev $DUMMY handle 1: root fq_codel limit 1000 flows 256 drop_batch …
[all …]
H A Dfq_pie.json4 "name": "Create FQ-PIE with invalid number of flows",
14 "cmdUnderTest": "$TC qdisc add dev $DUMMY handle 1: root fq_pie flows 65536",
17 "matchPattern": "qdisc fq_pie 1: root refcnt 2 limit 10240p flows 65536",
H A Dsfq.json109 "name": "Create SFQ with flows setting",
119 "cmdUnderTest": "$TC qdisc add dev $DUMMY handle 1: root sfq flows 20",
234 "name": "Check that a derived limit of 1 is rejected (limit 2 depth 1 flows 1)",
243 "cmdUnderTest": "$TC qdisc add dev $DUMMY handle 1: root sfq limit 2 depth 1 flows 1",
/linux/samples/pktgen/
H A Dpktgen_sample04_many_flows.sh4 # Script example for many flows testing
6 # Number of simultaneous flows limited by variable $FLOWS
37 # Limiting the number of concurrent flows ($FLOWS)
40 [ -z "$FLOWS" ] && FLOWS="8000"
88 # Limit number of flows (max 65535)
89 pg_set $dev "flows $FLOWS"
/linux/net/sched/
H A Dsch_fq_codel.c29 * Packets are classified (internal classifier or external) on flows.
30 * This is a Stochastic model (as we use a hash, several flows
33 * Flows are linked onto two (Round Robin) lists,
34 * so that new flows have priority on old ones.
53 struct fq_codel_flow *flows; /* Flows table [flows_cnt] */ member
55 u32 flows_cnt; /* number of flows */
66 struct list_head new_flows; /* list of new flows */
67 struct list_head old_flows; /* list of old flows */
148 * This might sound expensive, but with 1024 flows, we scan in fq_codel_drop()
164 flow = &q->flows[idx]; in fq_codel_drop()
[all …]
H A Dsch_fq_pie.c22 * - Packets are classified on flows.
23 * - This is a Stochastic model (as we use a hash, several flows might
26 * - Flows are linked onto two (Round Robin) lists,
27 * so that new flows have priority on old ones.
58 struct fq_pie_flow *flows; member
152 sel_flow = &q->flows[idx]; in fq_pie_qdisc_enqueue()
307 if (q->flows) { in fq_pie_change()
309 "Number of flows cannot be changed"); in fq_pie_change()
315 "Number of flows must range in [1..65536]"); in fq_pie_change()
399 /* Limit this expensive loop to 2048 flows per round. */ in fq_pie_timer()
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H A Dsch_sfq.c53 When hash collisions occur, several flows are considered as one.
69 - max 65408 flows,
76 #define SFQ_MAX_FLOWS (0x10000 - SFQ_MAX_DEPTH - 1) /* max number of flows */
120 struct sfq_slot *slots; /* Flows table ('maxflows' entries) */
128 * dep[0] : list of unused flows
129 * dep[1] : list of flows with 1 packet
130 * dep[X] : list of flows with X packets
133 unsigned int maxflows; /* number of flows in flows array */
451 * but we could endup servicing new flows only, and freeze old ones. in sfq_enqueue()
454 /* We could use a bigger initial quantum for new flows */ in sfq_enqueue()
[all …]
H A Dsch_fq.c12 * Flows are dynamically allocated and stored in a hash table of RB trees
13 * They are also part of one Round Robin 'queues' (new or old flows)
27 * dequeue() : serves flows in Round Robin
138 struct rb_root delayed; /* for rate limited flows */
143 u32 flows; member
144 u32 inactive_flows; /* Flows with no packet to send. */
248 /* limit number of collected flows per round */
295 q->flows -= fcnt; in fq_gc()
324 * scheduled in the future (ie no flows are eligible) in fq_fastpath_check()
327 if (q->flows != q->inactive_flows + q->throttled_flows) in fq_fastpath_check()
[all …]
/linux/include/net/
H A Dfq_impl.h36 idx = flow - fq->flows; in __fq_adjust_removal()
152 flow = &fq->flows[idx]; in fq_flow_classify()
160 tin->flows++; in fq_flow_classify()
173 struct fq_flow *cur = &fq->flows[i]; in fq_find_fattest_flow()
361 fq->flows = kvcalloc(fq->flows_cnt, sizeof(fq->flows[0]), GFP_KERNEL); in fq_init()
362 if (!fq->flows) in fq_init()
367 kvfree(fq->flows); in fq_init()
368 fq->flows = NULL; in fq_init()
373 fq_flow_init(&fq->flows[i]); in fq_init()
384 fq_flow_reset(fq, &fq->flows[i], free_func); in fq_reset()
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H A Dfq.h43 * pull interleaved packets out of the associated flows.
57 u32 flows; member
65 * @limit: max number of packets that can be queued across all flows
66 * @backlog: number of packets queued across all flows
69 struct fq_flow *flows; member
/linux/samples/bpf/
H A Ddo_hbm_test.sh18 echo " [-f=<#flows>|--flows=<#flows>] [-h] [-i=<id>|--id=<id >]"
34 echo " -f or --flows number of concurrent flows (default=1)"
38 echo " -l do not limit flows using loopback"
78 flows=1
150 -f=*|--flows=*)
151 flows="${i#*=}"
278 while [ $flow_cnt -le $flows ] ; do
320 while [ $flow_cnt -le $flows ] ; do
346 iperf3 -c $host -p $port -i 0 -P $flows -f m -t $dur > iperf.$id
366 while [ $flow_cnt -le $flows ] ; do
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/linux/drivers/net/ethernet/mellanox/mlx5/core/en/
H A Dtc_priv.h83 /* flows sharing the same reformat object - currently mpls decap */
87 /* flows sharing same route entry */
98 struct list_head hairpin; /* flows sharing the same hairpin */
99 struct list_head peer[MLX5_MAX_PORTS]; /* flows with peer flow */
100 struct list_head unready; /* flows not ready to be offloaded (e.g
103 struct list_head peer_flows; /* flows on peer */
/linux/drivers/net/ethernet/marvell/mvpp2/
H A Dmvpp2_cls.c26 /* TCP over IPv4 flows, Not fragmented, no vlan tag */
45 /* TCP over IPv4 flows, Not fragmented, with vlan tag */
61 /* TCP over IPv4 flows, fragmented, no vlan tag */
80 /* TCP over IPv4 flows, fragmented, with vlan tag */
99 /* UDP over IPv4 flows, Not fragmented, no vlan tag */
118 /* UDP over IPv4 flows, Not fragmented, with vlan tag */
134 /* UDP over IPv4 flows, fragmented, no vlan tag */
153 /* UDP over IPv4 flows, fragmented, with vlan tag */
172 /* TCP over IPv6 flows, not fragmented, no vlan tag */
185 /* TCP over IPv6 flows, not fragmented, with vlan tag */
[all …]
/linux/Documentation/networking/
H A Dscaling.rst31 of logical flows. Packets for each flow are steered to a separate receive
50 applications that monitor TCP/IP flows (IDS, firewalls, ...etc) and need
252 to the same CPU is CPU load imbalance if flows vary in packet rate.
258 Flow Limit is an optional RPS feature that prioritizes small flows
259 during CPU contention by dropping packets from large flows slightly
260 ahead of those from small flows. It is active only when an RPS or RFS
266 new packet is dropped. Packets from other flows are still only
270 even large flows maintain connectivity.
288 identification of large flows and fewer false positives. The default
325 flows to the CPUs where those flows are being processed. The flow hash
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H A Dnf_flowtable.rst33 specifies what flows are placed into the flowtable. Hence, packets follow the
34 classic IP forwarding path unless the user explicitly instruct flows to use this
111 You can identify offloaded flows through the [OFFLOAD] tag when listing your
130 instead the real device is sufficient for the flowtable to track your flows.
198 There is a workqueue that adds the flows to the hardware. Note that a few
202 You can identify hardware offloaded flows through the [HW_OFFLOAD] tag when
H A Dopenvswitch.rst16 table" that userspace populates with "flows" that map from keys based
104 A wildcarded flow can represent a group of exact match flows. Each '1' bit
108 by reduce the number of new flows need to be processed by the user space program.
120 two possible approaches: reactively install flows as they miss the kernel
130 The behavior when using overlapping wildcarded flows is undefined. It is the
133 performs best-effort detection of overlapping wildcarded flows and may reject
146 future operations. The kernel is not required to index flows by the original
/linux/drivers/net/ethernet/netronome/nfp/flower/
H A Dconntrack.h50 * @tc_merge_tb: The table of merged tc flows
56 * @nft_merge_tb: The table of merged tc+nft flows
121 * @children: List of tc_merge flows this flow forms part of
148 * struct nfp_fl_ct_tc_merge - Merge of two flows from tc
170 * struct nfp_fl_nft_tc_merge - Merge of tc_merge flows with nft flow
283 * nfp_fl_ct_stats() - Handle flower stats callbacks for ct flows
/linux/drivers/crypto/allwinner/sun8i-ss/
H A Dsun8i-ss-prng.c134 reinit_completion(&ss->flows[flow].complete); in sun8i_ss_prng_generate()
135 ss->flows[flow].status = 0; in sun8i_ss_prng_generate()
141 wait_for_completion_interruptible_timeout(&ss->flows[flow].complete, in sun8i_ss_prng_generate()
143 if (ss->flows[flow].status == 0) { in sun8i_ss_prng_generate()
/linux/drivers/infiniband/hw/hfi1/
H A Dtid_rdma.c47 /* Reserved generation value to set to unused flows for kernel contexts */
757 u32 generation = rcd->flows[flow_idx].generation; in kern_setup_hw_flow()
775 rcd->flows[flow_idx].generation = in kern_clear_hw_flow()
776 kern_flow_generation_next(rcd->flows[flow_idx].generation); in kern_clear_hw_flow()
804 rcd->flows[fs->index].generation = fs->generation; in hfi1_kern_setup_hw_flow()
853 rcd->flows[i].generation = mask_generation(get_random_u32()); in hfi1_kern_init_ctxt_generations()
1436 * (6) Reserves and programs HW flows.
1443 * invocation of function call. With flow = &req->flows[req->flow_idx],
1465 struct tid_rdma_flow *flow = &req->flows[req->setup_head]; in hfi1_kern_exp_rcv_setup()
1556 struct tid_rdma_flow *flow = &req->flows[req->clear_tail]; in hfi1_kern_exp_rcv_clear()
[all …]
/linux/tools/perf/pmu-events/arch/arm64/fujitsu/a64fx/
H A Dpipeline.json141 … the number of times where 2 elements of the gather instructions became 2 flows because 2 elements…
144 … the number of times where 2 elements of the gather instructions became 2 flows because 2 elements…
159 "PublicDescription": "This event counts the number of flows of the scatter instructions.",
162 "BriefDescription": "This event counts the number of flows of the scatter instructions."
/linux/include/uapi/linux/
H A Dpkt_sched.h62 classes (or flows) have major equal to parent qdisc major, and
218 unsigned flows; /* Maximal number of flows */ member
675 __u32 penalty_rate; /* inelastic flows are rate limited to 'rate' pps */
774 __u32 new_flows_len; /* count of flows in new list */
775 __u32 old_flows_len; /* count of flows in old list */
858 __u32 flows; member
952 __u32 new_flow_count; /* count of new flows created by packets */
953 __u32 new_flows_len; /* count of flows in new list */
954 __u32 old_flows_len; /* count of flows in old list */
/linux/Documentation/admin-guide/pm/
H A Dsuspend-flows.rst5 System Suspend Code Flows
25 The kernel code flows associated with the suspend and resume transitions for
27 significant differences between the :ref:`suspend-to-idle <s2idle>` code flows
28 and the code flows related to the :ref:`suspend-to-RAM <s2ram>` and
35 available. Apart from that, the suspend and resume code flows for these sleep
/linux/Documentation/userspace-api/media/mediactl/
H A Dmedia-controller-model.rst26 by an entity flows from the entity's output to one or more entity
31 pads, either on the same entity or on different entities. Data flows
/linux/drivers/net/ethernet/broadcom/bnxt/
H A Dbnxt_tc.h147 * This table is used to maintain a list of flows that use
180 /* a linked list of flows that share the same l2 key */
183 /* number of flows/tunnels sharing the l2 key */
/linux/tools/include/uapi/linux/
H A Dpkt_sched.h61 classes (or flows) have major equal to parent qdisc major, and
217 unsigned flows; /* Maximal number of flows */ member
638 __u32 penalty_rate; /* inelastic flows are rate limited to 'rate' pps */
733 __u32 new_flows_len; /* count of flows in new list */
734 __u32 old_flows_len; /* count of flows in old list */
802 __u32 flows; member

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