Home
last modified time | relevance | path

Searched full:flow (Results 1 – 25 of 1571) sorted by relevance

12345678910>>...63

/Linux-v5.4/include/net/
Dfq_impl.h15 struct fq_flow *flow, in fq_adjust_removal() argument
18 struct fq_tin *tin = flow->tin; in fq_adjust_removal()
22 flow->backlog -= skb->len; in fq_adjust_removal()
27 static void fq_rejigger_backlog(struct fq *fq, struct fq_flow *flow) in fq_rejigger_backlog() argument
31 if (flow->backlog == 0) { in fq_rejigger_backlog()
32 list_del_init(&flow->backlogchain); in fq_rejigger_backlog()
34 i = flow; in fq_rejigger_backlog()
37 if (i->backlog < flow->backlog) in fq_rejigger_backlog()
40 list_move_tail(&flow->backlogchain, in fq_rejigger_backlog()
46 struct fq_flow *flow) in fq_flow_dequeue() argument
[all …]
/Linux-v5.4/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()
[all …]
Dsch_fq_codel.c33 * Each flow has a CoDel managed queue.
37 * For a given flow, packets are not reordered (CoDel uses a FIFO)
40 * Low memory footprint (64 bytes per flow)
117 static inline struct sk_buff *dequeue_head(struct fq_codel_flow *flow) in dequeue_head() argument
119 struct sk_buff *skb = flow->head; in dequeue_head()
121 flow->head = skb->next; in dequeue_head()
126 /* add skb to flow queue (tail add) */
127 static inline void flow_queue_add(struct fq_codel_flow *flow, in flow_queue_add() argument
130 if (flow->head == NULL) in flow_queue_add()
131 flow->head = skb; in flow_queue_add()
[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-v5.4/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-v5.4/drivers/gpu/ipu-v3/
Dipu-dp.c45 u32 flow; member
63 struct ipu_flow flow[IPUV3_NUM_FLOWS]; member
81 struct ipu_flow *flow = to_flow(dp); in ipu_dp_set_global_alpha() local
82 struct ipu_dp_priv *priv = flow->priv; in ipu_dp_set_global_alpha()
87 reg = readl(flow->base + DP_COM_CONF); in ipu_dp_set_global_alpha()
92 writel(reg, flow->base + DP_COM_CONF); in ipu_dp_set_global_alpha()
95 reg = readl(flow->base + DP_GRAPH_WIND_CTRL) & 0x00FFFFFFL; in ipu_dp_set_global_alpha()
97 flow->base + DP_GRAPH_WIND_CTRL); in ipu_dp_set_global_alpha()
99 reg = readl(flow->base + DP_COM_CONF); in ipu_dp_set_global_alpha()
100 writel(reg | DP_COM_CONF_GWAM, flow->base + DP_COM_CONF); in ipu_dp_set_global_alpha()
[all …]
/Linux-v5.4/net/openvswitch/
Dflow_table.c6 #include "flow.h"
68 struct sw_flow *flow; in ovs_flow_alloc() local
71 flow = kmem_cache_zalloc(flow_cache, GFP_KERNEL); in ovs_flow_alloc()
72 if (!flow) in ovs_flow_alloc()
75 flow->stats_last_writer = -1; in ovs_flow_alloc()
86 RCU_INIT_POINTER(flow->stats[0], stats); in ovs_flow_alloc()
88 cpumask_set_cpu(0, &flow->cpu_used_mask); in ovs_flow_alloc()
90 return flow; in ovs_flow_alloc()
92 kmem_cache_free(flow_cache, flow); in ovs_flow_alloc()
101 static void flow_free(struct sw_flow *flow) in flow_free() argument
[all …]
/Linux-v5.4/Documentation/networking/
Dopenvswitch.txt5 flow-level packet processing on selected network devices. It can be
7 VLAN processing, network access control, flow-based network control,
12 within a bridge). Each datapath also has associated with it a "flow
19 extracting its flow key and looking it up in the flow table. If there
20 is a matching flow, it executes the associated actions. If there is
22 its processing, userspace will likely set up a flow to handle further
26 Flow key compatibility
32 versions to parse additional protocols as part of the flow key. It
36 applications to work with any version of the flow key, past or future.
40 flow key that it parsed from the packet. Userspace then extracts its
[all …]
Dscaling.rst19 - RFS: Receive Flow Steering
20 - Accelerated Receive Flow Steering
31 of logical flows. Packets for each flow are steered to a separate receive
131 flow hash over the packet’s addresses or ports (2-tuple or 4-tuple hash
133 associated flow of the packet. The hash is either provided by hardware
138 packet’s flow.
142 an index into the list is computed from the flow hash modulo the size
183 RPS Flow Limit
187 reordering. The trade-off to sending all packets from the same flow
189 In the extreme case a single flow dominates traffic. Especially on
[all …]
/Linux-v5.4/drivers/net/ethernet/broadcom/bnxt/
Dbnxt_tc.c39 /* Return the dst fid of the func for flow forwarding
174 struct bnxt_tc_flow *flow) in bnxt_tc_parse_flow() argument
191 flow->l2_key.ether_type = match.key->n_proto; in bnxt_tc_parse_flow()
192 flow->l2_mask.ether_type = match.mask->n_proto; in bnxt_tc_parse_flow()
196 flow->l4_key.ip_proto = match.key->ip_proto; in bnxt_tc_parse_flow()
197 flow->l4_mask.ip_proto = match.mask->ip_proto; in bnxt_tc_parse_flow()
205 flow->flags |= BNXT_TC_FLOW_FLAGS_ETH_ADDRS; in bnxt_tc_parse_flow()
206 ether_addr_copy(flow->l2_key.dmac, match.key->dst); in bnxt_tc_parse_flow()
207 ether_addr_copy(flow->l2_mask.dmac, match.mask->dst); in bnxt_tc_parse_flow()
208 ether_addr_copy(flow->l2_key.smac, match.key->src); in bnxt_tc_parse_flow()
[all …]
/Linux-v5.4/net/netfilter/
Dnf_flow_table_core.c18 struct flow_offload flow; member
27 flow_offload_fill_dir(struct flow_offload *flow, struct nf_conn *ct, in flow_offload_fill_dir() argument
31 struct flow_offload_tuple *ft = &flow->tuplehash[dir].tuple; in flow_offload_fill_dir()
64 struct flow_offload *flow; in flow_offload_alloc() local
74 flow = &entry->flow; in flow_offload_alloc()
84 flow_offload_fill_dir(flow, ct, route, FLOW_OFFLOAD_DIR_ORIGINAL); in flow_offload_alloc()
85 flow_offload_fill_dir(flow, ct, route, FLOW_OFFLOAD_DIR_REPLY); in flow_offload_alloc()
88 flow->flags |= FLOW_OFFLOAD_SNAT; in flow_offload_alloc()
90 flow->flags |= FLOW_OFFLOAD_DNAT; in flow_offload_alloc()
92 return flow; in flow_offload_alloc()
[all …]
Dnf_flow_table_ip.c19 static int nf_flow_state_check(struct flow_offload *flow, int proto, in nf_flow_state_check() argument
32 flow_offload_teardown(flow); in nf_flow_state_check()
92 static int nf_flow_snat_ip(const struct flow_offload *flow, struct sk_buff *skb, in nf_flow_snat_ip() argument
101 new_addr = flow->tuplehash[FLOW_OFFLOAD_DIR_REPLY].tuple.dst_v4.s_addr; in nf_flow_snat_ip()
106 new_addr = flow->tuplehash[FLOW_OFFLOAD_DIR_ORIGINAL].tuple.src_v4.s_addr; in nf_flow_snat_ip()
117 static int nf_flow_dnat_ip(const struct flow_offload *flow, struct sk_buff *skb, in nf_flow_dnat_ip() argument
126 new_addr = flow->tuplehash[FLOW_OFFLOAD_DIR_REPLY].tuple.src_v4.s_addr; in nf_flow_dnat_ip()
131 new_addr = flow->tuplehash[FLOW_OFFLOAD_DIR_ORIGINAL].tuple.dst_v4.s_addr; in nf_flow_dnat_ip()
142 static int nf_flow_nat_ip(const struct flow_offload *flow, struct sk_buff *skb, in nf_flow_nat_ip() argument
147 if (flow->flags & FLOW_OFFLOAD_SNAT && in nf_flow_nat_ip()
[all …]
Dnf_tables_offload.c12 struct nft_flow_rule *flow; in nft_flow_rule_alloc() local
14 flow = kzalloc(sizeof(struct nft_flow_rule), GFP_KERNEL); in nft_flow_rule_alloc()
15 if (!flow) in nft_flow_rule_alloc()
18 flow->rule = flow_rule_alloc(num_actions); in nft_flow_rule_alloc()
19 if (!flow->rule) { in nft_flow_rule_alloc()
20 kfree(flow); in nft_flow_rule_alloc()
24 flow->rule->match.dissector = &flow->match.dissector; in nft_flow_rule_alloc()
25 flow->rule->match.mask = &flow->match.mask; in nft_flow_rule_alloc()
26 flow->rule->match.key = &flow->match.key; in nft_flow_rule_alloc()
28 return flow; in nft_flow_rule_alloc()
[all …]
/Linux-v5.4/drivers/net/ethernet/mellanox/mlx5/core/
Den_tc.c118 /* Flow can be associated with multiple encap IDs.
128 struct list_head peer; /* flows with peer flow */
131 struct list_head tmp_list; /* temporary flow list used by neigh update */
214 struct mlx5e_tc_flow *flow);
216 static struct mlx5e_tc_flow *mlx5e_flow_get(struct mlx5e_tc_flow *flow) in mlx5e_flow_get() argument
218 if (!flow || !refcount_inc_not_zero(&flow->refcnt)) in mlx5e_flow_get()
220 return flow; in mlx5e_flow_get()
224 struct mlx5e_tc_flow *flow) in mlx5e_flow_put() argument
226 if (refcount_dec_and_test(&flow->refcnt)) { in mlx5e_flow_put()
227 mlx5e_tc_del_flow(priv, flow); in mlx5e_flow_put()
[all …]
/Linux-v5.4/drivers/infiniband/hw/hfi1/
Dtid_rdma.c37 /* Maximum number of packets within a flow generation. */
134 struct tid_rdma_flow *flow,
438 /* Flow and tid waiter functions */
525 * This should be done after the hardware flow and
693 /* Flow functions */
695 * kern_reserve_flow - allocate a hardware flow
697 * @last - the index of the preferred flow. Use RXE_NUM_TID_FLOWS to
701 * flow for use in receiving KDETH data packets. If a preferred flow is
702 * specified the function will attempt to reserve that flow again, if
716 /* Attempt to reserve the preferred flow index */ in kern_reserve_flow()
[all …]
/Linux-v5.4/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-v5.4/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
[all …]
/Linux-v5.4/drivers/net/ethernet/mellanox/mlx5/core/en_accel/
Dtls.c39 static void mlx5e_tls_set_ipv4_flow(void *flow, struct sock *sk) in mlx5e_tls_set_ipv4_flow() argument
43 MLX5_SET(tls_flow, flow, ipv6, 0); in mlx5e_tls_set_ipv4_flow()
44 memcpy(MLX5_ADDR_OF(tls_flow, flow, dst_ipv4_dst_ipv6.ipv4_layout.ipv4), in mlx5e_tls_set_ipv4_flow()
46 memcpy(MLX5_ADDR_OF(tls_flow, flow, src_ipv4_src_ipv6.ipv4_layout.ipv4), in mlx5e_tls_set_ipv4_flow()
51 static void mlx5e_tls_set_ipv6_flow(void *flow, struct sock *sk) in mlx5e_tls_set_ipv6_flow() argument
55 MLX5_SET(tls_flow, flow, ipv6, 1); in mlx5e_tls_set_ipv6_flow()
56 memcpy(MLX5_ADDR_OF(tls_flow, flow, dst_ipv4_dst_ipv6.ipv6_layout.ipv6), in mlx5e_tls_set_ipv6_flow()
58 memcpy(MLX5_ADDR_OF(tls_flow, flow, src_ipv4_src_ipv6.ipv6_layout.ipv6), in mlx5e_tls_set_ipv6_flow()
63 static void mlx5e_tls_set_flow_tcp_ports(void *flow, struct sock *sk) in mlx5e_tls_set_flow_tcp_ports() argument
67 memcpy(MLX5_ADDR_OF(tls_flow, flow, src_port), &inet->inet_sport, in mlx5e_tls_set_flow_tcp_ports()
[all …]
/Linux-v5.4/drivers/net/ethernet/netronome/nfp/flower/
Dmatch.c13 struct flow_cls_offload *flow, u8 key_type) in nfp_flower_compile_meta_tci() argument
15 struct flow_rule *rule = flow_cls_offload_flow_rule(flow); in nfp_flower_compile_meta_tci()
81 struct flow_cls_offload *flow) in nfp_flower_compile_mac() argument
83 struct flow_rule *rule = flow_cls_offload_flow_rule(flow); in nfp_flower_compile_mac()
133 struct flow_cls_offload *flow) in nfp_flower_compile_tport() argument
135 struct flow_rule *rule = flow_cls_offload_flow_rule(flow); in nfp_flower_compile_tport()
154 struct flow_cls_offload *flow) in nfp_flower_compile_ip_ext() argument
156 struct flow_rule *rule = flow_cls_offload_flow_rule(flow); in nfp_flower_compile_ip_ext()
228 struct flow_cls_offload *flow) in nfp_flower_compile_ipv4() argument
230 struct flow_rule *rule = flow_cls_offload_flow_rule(flow); in nfp_flower_compile_ipv4()
[all …]
/Linux-v5.4/drivers/net/ethernet/intel/igc/
Digc_mac.c75 * igc_set_fc_watermarks - Set flow control high/low watermarks
78 * Sets the flow control high/low threshold (watermark) registers. If
79 * flow control XON frame transmission is enabled, then set XON frame
86 /* Set the flow control receive threshold registers. Normally, in igc_set_fc_watermarks()
110 * igc_setup_link - Setup flow control and link settings
113 * Determines which flow control settings to use, then configures flow
129 /* If requested flow control is set to default, set flow control in igc_setup_link()
135 /* We want to save off the original Flow Control configuration just in igc_setup_link()
137 * hub or switch with different Flow Control capabilities. in igc_setup_link()
148 /* Initialize the flow control address, type, and PAUSE timer in igc_setup_link()
[all …]
/Linux-v5.4/samples/bpf/
Dsockex2_kern.c62 struct flow_key_record *flow) in parse_ip() argument
72 flow->src = load_word(skb, nhoff + offsetof(struct iphdr, saddr)); in parse_ip()
73 flow->dst = load_word(skb, nhoff + offsetof(struct iphdr, daddr)); in parse_ip()
86 struct flow_key_record *flow) in parse_ipv6() argument
90 flow->src = ipv6_addr_hash(skb, in parse_ipv6()
92 flow->dst = ipv6_addr_hash(skb, in parse_ipv6()
100 struct flow_key_record *flow) in flow_dissector() argument
120 nhoff = parse_ip(skb, nhoff, &ip_proto, flow); in flow_dissector()
122 nhoff = parse_ipv6(skb, nhoff, &ip_proto, flow); in flow_dissector()
158 nhoff = parse_ip(skb, nhoff, &ip_proto, flow); in flow_dissector()
[all …]
/Linux-v5.4/drivers/firmware/
Dti_sci.h788 * struct ti_sci_msg_udmap_rx_flow_cfg - UDMAP receive flow configuration
791 * @nav_id: SoC Navigator Subsystem device ID from which the receive flow is
793 * @flow_index: UDMAP receive flow index for non-optional configuration.
795 * @rx_einfo_present: UDMAP receive flow extended packet info present.
796 * @rx_psinfo_present: UDMAP receive flow PS words present.
797 * @rx_error_handling: UDMAP receive flow error handling configuration. Valid
799 * @rx_desc_type: UDMAP receive flow descriptor type. It can be one of
801 * @rx_sop_offset: UDMAP receive flow start of packet offset.
802 * @rx_dest_qnum: UDMAP receive flow destination queue number.
803 * @rx_ps_location: UDMAP receive flow PS words location.
[all …]
/Linux-v5.4/drivers/infiniband/hw/usnic/
Dusnic_fwd.c203 struct usnic_fwd_flow *flow; in usnic_fwd_alloc_flow() local
213 flow = kzalloc(sizeof(*flow), GFP_ATOMIC); in usnic_fwd_alloc_flow()
214 if (!flow) in usnic_fwd_alloc_flow()
255 flow->flow_id = (uint32_t) a0; in usnic_fwd_alloc_flow()
256 flow->vnic_idx = uaction->vnic_idx; in usnic_fwd_alloc_flow()
257 flow->ufdev = ufdev; in usnic_fwd_alloc_flow()
263 return flow; in usnic_fwd_alloc_flow()
265 kfree(flow); in usnic_fwd_alloc_flow()
269 int usnic_fwd_dealloc_flow(struct usnic_fwd_flow *flow) in usnic_fwd_dealloc_flow() argument
274 a0 = flow->flow_id; in usnic_fwd_dealloc_flow()
[all …]
/Linux-v5.4/tools/testing/selftests/bpf/progs/
Dtest_xdp_noinline.c122 struct flow_key flow; member
244 pckt->flow.port16[0] = udp->source; in parse_udp()
245 pckt->flow.port16[1] = udp->dest; in parse_udp()
247 pckt->flow.port16[0] = udp->dest; in parse_udp()
248 pckt->flow.port16[1] = udp->source; in parse_udp()
268 pckt->flow.port16[0] = tcp->source; in parse_tcp()
269 pckt->flow.port16[1] = tcp->dest; in parse_tcp()
271 pckt->flow.port16[0] = tcp->dest; in parse_tcp()
272 pckt->flow.port16[1] = tcp->source; in parse_tcp()
307 ip_suffix = pckt->flow.srcv6[3] ^ pckt->flow.port16[0]; in encap_v6()
[all …]

12345678910>>...63