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/Linux-v6.1/tools/testing/selftests/tc-testing/tc-tests/filters/
Dflow.json4 "name": "Add flow filter with map key and ops",
7 "flow"
15 …"cmdUnderTest": "$TC filter add dev $DEV1 parent ffff: handle 1 prio 1 protocol ip flow map key ds…
17 "verifyCmd": "$TC filter get dev $DEV1 parent ffff: handle 1 protocol ip prio 1 flow",
18 …"matchPattern": "filter parent ffff: protocol ip pref 1 flow chain [0-9]+ handle 0x1 map keys dst …
26 "name": "Add flow filter with map key or ops",
29 "flow"
37 …"cmdUnderTest": "$TC filter add dev $DEV1 parent ffff: handle 1 prio 1 protocol ip flow map key ds…
39 "verifyCmd": "$TC filter get dev $DEV1 parent ffff: handle 1 protocol ip prio 1 flow",
40 …"matchPattern": "filter parent ffff: protocol ip pref 1 flow chain [0-9]+ handle 0x1 map keys dst.…
[all …]
/Linux-v6.1/net/sched/
Dsch_atm.c24 * Each class maps the flow(s) it is handling to a given VC. Multiple classes
39 * - should lock the flow while there is data in the queue (?)
58 struct atm_flow_data *excess; /* flow for excess traffic;
71 /* ------------------------- Class/flow operations ------------------------- */
76 struct atm_flow_data *flow; in lookup_flow() local
78 list_for_each_entry(flow, &p->flows, list) { in lookup_flow()
79 if (flow->common.classid == classid) in lookup_flow()
80 return flow; in lookup_flow()
90 struct atm_flow_data *flow = (struct atm_flow_data *)arg; in atm_tc_graft() local
92 pr_debug("atm_tc_graft(sch %p,[qdisc %p],flow %p,new %p,old %p)\n", in atm_tc_graft()
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Dsch_fq_codel.c32 * Each flow has a CoDel managed queue.
36 * For a given flow, packets are not reordered (CoDel uses a FIFO)
39 * Low memory footprint (64 bytes per flow)
116 static inline struct sk_buff *dequeue_head(struct fq_codel_flow *flow) in dequeue_head() argument
118 struct sk_buff *skb = flow->head; in dequeue_head()
120 flow->head = skb->next; in dequeue_head()
125 /* add skb to flow queue (tail add) */
126 static inline void flow_queue_add(struct fq_codel_flow *flow, in flow_queue_add() argument
129 if (flow->head == NULL) in flow_queue_add()
130 flow->head = skb; in flow_queue_add()
[all …]
Dsch_fq_pie.c2 /* Flow Queue PIE discipline
18 /* Flow Queue PIE
24 * - Each flow has a PIE managed queue.
27 * - For a given flow, packets are not reordered.
35 * struct fq_pie_flow - contains data for each flow
36 * @vars: pie vars associated with the flow
38 * @backlog: size of data in the flow
39 * @qlen: number of packets in the flow
40 * @flowchain: flowchain for the flow
41 * @head: first packet in the flow
[all …]
Dsch_hhf.c20 * buckets. Initially, a new flow starts as non-heavy-hitter. Once classified
37 * - For a heavy-hitter flow: *all* of its k array counters must be large.
38 * - For a non-heavy-hitter flow: some of its k array counters can be large
59 * Once a flow is classified as heavy-hitter, we also save its per-flow state
60 * in an exact-matching flow table so that its subsequent packets can be
66 * - If the flow-id of p (e.g., TCP 5-tuple) is already in the exact-matching
67 * heavy-hitter flow table, denoted table T, then send p to the heavy-hitter
70 * + If F decides that p belongs to a non-heavy-hitter flow, then send p
72 * + Otherwise, if F decides that p belongs to a new heavy-hitter flow,
73 * then set up a new flow entry for the flow-id of p in the table T and
[all …]
/Linux-v6.1/drivers/net/phy/mscc/
Dmscc_macsec.c371 struct macsec_flow *flow) in vsc8584_macsec_flow() argument
374 enum macsec_bank bank = flow->bank; in vsc8584_macsec_flow()
375 u32 val, match = 0, mask = 0, action = 0, idx = flow->index; in vsc8584_macsec_flow()
377 if (flow->match.tagged) in vsc8584_macsec_flow()
379 if (flow->match.untagged) in vsc8584_macsec_flow()
382 if (bank == MACSEC_INGR && flow->assoc_num >= 0) { in vsc8584_macsec_flow()
383 match |= MSCC_MS_SAM_MISC_MATCH_AN(flow->assoc_num); in vsc8584_macsec_flow()
387 if (bank == MACSEC_INGR && flow->match.sci && flow->rx_sa->sc->sci) { in vsc8584_macsec_flow()
388 u64 sci = (__force u64)flow->rx_sa->sc->sci; in vsc8584_macsec_flow()
400 if (flow->match.etype) { in vsc8584_macsec_flow()
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/Linux-v6.1/drivers/net/wireless/broadcom/brcm80211/brcmfmac/
Dflowring.c43 brcmf_flowring_is_tdls_mac(struct brcmf_flowring *flow, u8 mac[ETH_ALEN]) in brcmf_flowring_is_tdls_mac() argument
47 search = flow->tdls_entry; in brcmf_flowring_is_tdls_mac()
59 u32 brcmf_flowring_lookup(struct brcmf_flowring *flow, u8 da[ETH_ALEN], in brcmf_flowring_lookup() argument
71 sta = (flow->addr_mode[ifidx] == ADDR_INDIRECT); in brcmf_flowring_lookup()
77 if ((sta) && (flow->tdls_active) && in brcmf_flowring_lookup()
78 (brcmf_flowring_is_tdls_mac(flow, da))) { in brcmf_flowring_lookup()
85 hash = flow->hash; in brcmf_flowring_lookup()
103 u32 brcmf_flowring_create(struct brcmf_flowring *flow, u8 da[ETH_ALEN], in brcmf_flowring_create() argument
116 sta = (flow->addr_mode[ifidx] == ADDR_INDIRECT); in brcmf_flowring_create()
122 if ((sta) && (flow->tdls_active) && in brcmf_flowring_create()
[all …]
Dflowring.h50 u32 brcmf_flowring_lookup(struct brcmf_flowring *flow, u8 da[ETH_ALEN],
52 u32 brcmf_flowring_create(struct brcmf_flowring *flow, u8 da[ETH_ALEN],
54 void brcmf_flowring_delete(struct brcmf_flowring *flow, u16 flowid);
55 void brcmf_flowring_open(struct brcmf_flowring *flow, u16 flowid);
56 u8 brcmf_flowring_tid(struct brcmf_flowring *flow, u16 flowid);
57 u32 brcmf_flowring_enqueue(struct brcmf_flowring *flow, u16 flowid,
59 struct sk_buff *brcmf_flowring_dequeue(struct brcmf_flowring *flow, u16 flowid);
60 void brcmf_flowring_reinsert(struct brcmf_flowring *flow, u16 flowid,
62 u32 brcmf_flowring_qlen(struct brcmf_flowring *flow, u16 flowid);
63 u8 brcmf_flowring_ifidx_get(struct brcmf_flowring *flow, u16 flowid);
[all …]
/Linux-v6.1/include/net/
Dfq_impl.h16 __fq_adjust_removal(struct fq *fq, struct fq_flow *flow, unsigned int packets, in __fq_adjust_removal() argument
19 struct fq_tin *tin = flow->tin; in __fq_adjust_removal()
24 flow->backlog -= bytes; in __fq_adjust_removal()
28 if (flow->backlog) in __fq_adjust_removal()
31 if (flow == &tin->default_flow) { in __fq_adjust_removal()
36 idx = flow - fq->flows; in __fq_adjust_removal()
41 struct fq_flow *flow, in fq_adjust_removal() argument
44 __fq_adjust_removal(fq, flow, 1, skb->len, skb->truesize); in fq_adjust_removal()
48 struct fq_flow *flow) in fq_flow_dequeue() argument
54 skb = __skb_dequeue(&flow->queue); in fq_flow_dequeue()
[all …]
/Linux-v6.1/drivers/gpu/ipu-v3/
Dipu-dp.c46 u32 flow; member
64 struct ipu_flow flow[IPUV3_NUM_FLOWS]; member
82 struct ipu_flow *flow = to_flow(dp); in ipu_dp_set_global_alpha() local
83 struct ipu_dp_priv *priv = flow->priv; in ipu_dp_set_global_alpha()
88 reg = readl(flow->base + DP_COM_CONF); in ipu_dp_set_global_alpha()
93 writel(reg, flow->base + DP_COM_CONF); in ipu_dp_set_global_alpha()
96 reg = readl(flow->base + DP_GRAPH_WIND_CTRL) & 0x00FFFFFFL; in ipu_dp_set_global_alpha()
98 flow->base + DP_GRAPH_WIND_CTRL); in ipu_dp_set_global_alpha()
100 reg = readl(flow->base + DP_COM_CONF); in ipu_dp_set_global_alpha()
101 writel(reg | DP_COM_CONF_GWAM, flow->base + DP_COM_CONF); in ipu_dp_set_global_alpha()
[all …]
/Linux-v6.1/net/netfilter/
Dnf_flow_table_core.c21 flow_offload_fill_dir(struct flow_offload *flow, in flow_offload_fill_dir() argument
24 struct flow_offload_tuple *ft = &flow->tuplehash[dir].tuple; in flow_offload_fill_dir()
25 struct nf_conntrack_tuple *ctt = &flow->ct->tuplehash[dir].tuple; in flow_offload_fill_dir()
54 struct flow_offload *flow; in flow_offload_alloc() local
59 flow = kzalloc(sizeof(*flow), GFP_ATOMIC); in flow_offload_alloc()
60 if (!flow) in flow_offload_alloc()
64 flow->ct = ct; in flow_offload_alloc()
66 flow_offload_fill_dir(flow, FLOW_OFFLOAD_DIR_ORIGINAL); in flow_offload_alloc()
67 flow_offload_fill_dir(flow, FLOW_OFFLOAD_DIR_REPLY); in flow_offload_alloc()
70 __set_bit(NF_FLOW_SNAT, &flow->flags); in flow_offload_alloc()
[all …]
Dnf_flow_table_offload.c24 struct flow_offload *flow; member
224 const struct flow_offload *flow, in flow_offload_eth_src() argument
236 this_tuple = &flow->tuplehash[dir].tuple; in flow_offload_eth_src()
243 other_tuple = &flow->tuplehash[!dir].tuple; in flow_offload_eth_src()
271 const struct flow_offload *flow, in flow_offload_eth_dst() argument
286 this_tuple = &flow->tuplehash[dir].tuple; in flow_offload_eth_dst()
293 other_tuple = &flow->tuplehash[!dir].tuple; in flow_offload_eth_dst()
328 const struct flow_offload *flow, in flow_offload_ipv4_snat() argument
339 addr = flow->tuplehash[FLOW_OFFLOAD_DIR_REPLY].tuple.dst_v4.s_addr; in flow_offload_ipv4_snat()
343 addr = flow->tuplehash[FLOW_OFFLOAD_DIR_ORIGINAL].tuple.src_v4.s_addr; in flow_offload_ipv4_snat()
[all …]
Dnf_flow_table_ip.c21 static int nf_flow_state_check(struct flow_offload *flow, int proto, in nf_flow_state_check() argument
31 flow_offload_teardown(flow); in nf_flow_state_check()
75 static void nf_flow_snat_ip(const struct flow_offload *flow, in nf_flow_snat_ip() argument
84 new_addr = flow->tuplehash[FLOW_OFFLOAD_DIR_REPLY].tuple.dst_v4.s_addr; in nf_flow_snat_ip()
89 new_addr = flow->tuplehash[FLOW_OFFLOAD_DIR_ORIGINAL].tuple.src_v4.s_addr; in nf_flow_snat_ip()
98 static void nf_flow_dnat_ip(const struct flow_offload *flow, in nf_flow_dnat_ip() argument
107 new_addr = flow->tuplehash[FLOW_OFFLOAD_DIR_REPLY].tuple.src_v4.s_addr; in nf_flow_dnat_ip()
112 new_addr = flow->tuplehash[FLOW_OFFLOAD_DIR_ORIGINAL].tuple.dst_v4.s_addr; in nf_flow_dnat_ip()
121 static void nf_flow_nat_ip(const struct flow_offload *flow, struct sk_buff *skb, in nf_flow_nat_ip() argument
125 if (test_bit(NF_FLOW_SNAT, &flow->flags)) { in nf_flow_nat_ip()
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/Linux-v6.1/Documentation/networking/
Dopenvswitch.rst8 flow-level packet processing on selected network devices. It can be
10 VLAN processing, network access control, flow-based network control,
15 within a bridge). Each datapath also has associated with it a "flow
22 extracting its flow key and looking it up in the flow table. If there
23 is a matching flow, it executes the associated actions. If there is
25 its processing, userspace will likely set up a flow to handle further
29 Flow key compatibility
35 versions to parse additional protocols as part of the flow key. It
39 applications to work with any version of the flow key, past or future.
43 flow key that it parsed from the packet. Userspace then extracts its
[all …]
/Linux-v6.1/drivers/net/ethernet/mellanox/mlx5/core/en/
Dtc_priv.h92 /* Flow can be associated with multiple encap IDs.
102 struct list_head peer; /* flows with peer flow */
106 struct net_device *orig_dev; /* netdev adding flow first */
108 struct list_head tmp_list; /* temporary flow list used by neigh update */
132 struct mlx5e_tc_flow *flow,
137 mlx5e_tc_get_encap_attr(struct mlx5e_tc_flow *flow);
139 void mlx5e_tc_unoffload_flow_post_acts(struct mlx5e_tc_flow *flow);
140 int mlx5e_tc_offload_flow_post_acts(struct mlx5e_tc_flow *flow);
142 bool mlx5e_is_eswitch_flow(struct mlx5e_tc_flow *flow);
143 bool mlx5e_is_ft_flow(struct mlx5e_tc_flow *flow);
[all …]
Dtc_tun_encap.c72 int mlx5e_tc_set_attr_rx_tun(struct mlx5e_tc_flow *flow, in mlx5e_tc_set_attr_rx_tun() argument
75 struct mlx5_esw_flow_attr *esw_attr = flow->attr->esw_attr; in mlx5e_tc_set_attr_rx_tun()
116 flow_flag_set(flow, TUN_RX); in mlx5e_tc_set_attr_rx_tun()
117 flow->attr->tun_ip_version = ip_version; in mlx5e_tc_set_attr_rx_tun()
126 /* Flow can be associated with multiple encap entries. in mlx5e_tc_flow_all_encaps_valid()
127 * Before offloading the flow verify that all of them have in mlx5e_tc_flow_all_encaps_valid()
152 struct mlx5e_tc_flow *flow; in mlx5e_tc_encap_flows_add() local
173 list_for_each_entry(flow, flow_list, tmp_list) { in mlx5e_tc_encap_flows_add()
174 if (!mlx5e_is_offloaded_flow(flow) || !flow_flag_test(flow, SLOW)) in mlx5e_tc_encap_flows_add()
177 spec = &flow->attr->parse_attr->spec; in mlx5e_tc_encap_flows_add()
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/Linux-v6.1/drivers/net/ethernet/broadcom/bnxt/
Dbnxt_tc.c44 /* Return the dst fid of the func for flow forwarding
370 struct bnxt_tc_flow *flow) in bnxt_tc_parse_flow() argument
387 flow->l2_key.ether_type = match.key->n_proto; in bnxt_tc_parse_flow()
388 flow->l2_mask.ether_type = match.mask->n_proto; in bnxt_tc_parse_flow()
392 flow->l4_key.ip_proto = match.key->ip_proto; in bnxt_tc_parse_flow()
393 flow->l4_mask.ip_proto = match.mask->ip_proto; in bnxt_tc_parse_flow()
401 flow->flags |= BNXT_TC_FLOW_FLAGS_ETH_ADDRS; in bnxt_tc_parse_flow()
402 ether_addr_copy(flow->l2_key.dmac, match.key->dst); in bnxt_tc_parse_flow()
403 ether_addr_copy(flow->l2_mask.dmac, match.mask->dst); in bnxt_tc_parse_flow()
404 ether_addr_copy(flow->l2_key.smac, match.key->src); in bnxt_tc_parse_flow()
[all …]
/Linux-v6.1/net/openvswitch/
Dflow_table.c6 #include "flow.h"
74 struct sw_flow *flow; in ovs_flow_alloc() local
77 flow = kmem_cache_zalloc(flow_cache, GFP_KERNEL); in ovs_flow_alloc()
78 if (!flow) in ovs_flow_alloc()
81 flow->stats_last_writer = -1; in ovs_flow_alloc()
92 RCU_INIT_POINTER(flow->stats[0], stats); in ovs_flow_alloc()
94 cpumask_set_cpu(0, &flow->cpu_used_mask); in ovs_flow_alloc()
96 return flow; in ovs_flow_alloc()
98 kmem_cache_free(flow_cache, flow); in ovs_flow_alloc()
107 static void flow_free(struct sw_flow *flow) in flow_free() argument
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/Linux-v6.1/drivers/net/ethernet/mellanox/mlx5/core/
Den_tc.c155 * last flow from a group and then deleting a group, we get into del_sw_flow_group()
161 static void mlx5e_put_flow_tunnel_id(struct mlx5e_tc_flow *flow);
162 static void free_flow_post_acts(struct mlx5e_tc_flow *flow);
410 mlx5_core_err(priv->mdev, "Failed to get flow meter\n"); in mlx5e_tc_add_flow_meter()
571 struct mlx5e_tc_flow *flow);
573 struct mlx5e_tc_flow *mlx5e_flow_get(struct mlx5e_tc_flow *flow) in mlx5e_flow_get() argument
575 if (!flow || !refcount_inc_not_zero(&flow->refcnt)) in mlx5e_flow_get()
577 return flow; in mlx5e_flow_get()
580 void mlx5e_flow_put(struct mlx5e_priv *priv, struct mlx5e_tc_flow *flow) in mlx5e_flow_put() argument
582 if (refcount_dec_and_test(&flow->refcnt)) { in mlx5e_flow_put()
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/Linux-v6.1/drivers/infiniband/hw/hfi1/
Dtid_rdma.c37 /* Maximum number of packets within a flow generation. */
134 struct tid_rdma_flow *flow,
439 /* Flow and tid waiter functions */
529 * This should be done after the hardware flow and
698 /* Flow functions */
700 * kern_reserve_flow - allocate a hardware flow
702 * @last: the index of the preferred flow. Use RXE_NUM_TID_FLOWS to
706 * flow for use in receiving KDETH data packets. If a preferred flow is
707 * specified the function will attempt to reserve that flow again, if
721 /* Attempt to reserve the preferred flow index */ in kern_reserve_flow()
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/Linux-v6.1/drivers/net/ethernet/netronome/nfp/flower/
Dconntrack.h38 * struct nfp_fl_ct_zone_entry - Zone entry containing conntrack flow information
106 /* NFP flow entry flags. */
111 * struct nfp_fl_ct_flow_entry - Flow entry containing conntrack flow information
112 * @cookie: Flow cookie, same as original TC flow, used as key
114 * @chain_index: Chain index of the original flow
118 * @children: List of tc_merge flows this flow forms part of
119 * @rule: Reference to the original TC flow rule
122 * @flags: Used to indicate flow flag like NAT which used by merge.
140 * @cookie: Flow cookie, combination of pre and post ct cookies
161 * struct nfp_fl_nft_tc_merge - Merge of tc_merge flows with nft flow
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/Linux-v6.1/Documentation/bpf/
Dprog_flow_dissector.rst10 Flow dissector is a routine that parses metadata out of the packets. It's
11 used in the various places in the networking subsystem (RFS, flow hash, etc).
13 BPF flow dissector is an attempt to reimplement C-based flow dissector logic
20 BPF flow dissector programs operate on an ``__sk_buff``. However, only the
22 ``flow_keys`` is ``struct bpf_flow_keys`` and contains flow dissector input
31 Flow dissector BPF program should fill out the rest of the ``struct
41 In the VLAN-less case, this is what the initial state of the BPF flow
49 +-- flow dissector starts here
58 In case of VLAN, flow dissector can be called with the two different states.
67 +-- flow dissector starts here
[all …]
/Linux-v6.1/drivers/net/ethernet/intel/ice/
Dice_ethtool_fdir.c4 /* flow director ethtool support for ice */
36 * flow type values
37 * @flow: filter type to be converted
39 * Returns the corresponding ethtool flow type.
41 static int ice_fltr_to_ethtool_flow(enum ice_fltr_ptype flow) in ice_fltr_to_ethtool_flow() argument
43 switch (flow) { in ice_fltr_to_ethtool_flow()
61 /* 0 is undefined ethtool flow */ in ice_fltr_to_ethtool_flow()
67 * ice_ethtool_flow_to_fltr - convert ethtool flow type to filter enum
68 * @eth: Ethtool flow type to be converted
70 * Returns flow enum
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/Linux-v6.1/Documentation/core-api/
Dgenericirq.rst52 optimize the flow of the interrupt handling for each specific interrupt
58 the flow control in the super-handler. This leads to a mix of flow logic
62 have different flow handling.
64 A more natural abstraction is the clean separation of the 'irq flow' and
68 reveals that most of them can use a generic set of 'irq flow' methods
71 IRQ flow itself but not in the chip details - and thus provides a more
74 Each interrupt descriptor is assigned its own high-level flow handler,
76 flow handler implementation also makes it simple to provide
82 IRQ-flow implementation for 'level type' interrupts and add a
104 2. High-level IRQ flow handlers
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/Linux-v6.1/samples/bpf/
Dsockex2_kern.c63 struct flow_key_record *flow) in parse_ip() argument
73 flow->src = load_word(skb, nhoff + offsetof(struct iphdr, saddr)); in parse_ip()
74 flow->dst = load_word(skb, nhoff + offsetof(struct iphdr, daddr)); in parse_ip()
87 struct flow_key_record *flow) in parse_ipv6() argument
91 flow->src = ipv6_addr_hash(skb, in parse_ipv6()
93 flow->dst = ipv6_addr_hash(skb, in parse_ipv6()
101 struct flow_key_record *flow) in flow_dissector() argument
121 nhoff = parse_ip(skb, nhoff, &ip_proto, flow); in flow_dissector()
123 nhoff = parse_ipv6(skb, nhoff, &ip_proto, flow); in flow_dissector()
159 nhoff = parse_ip(skb, nhoff, &ip_proto, flow); in flow_dissector()
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