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/linux-6.3-rc2/net/ipv4/
A Dsysctl_net_ipv4.c57 net->ipv4.ip_local_ports.warned = true; in set_local_port_range()
60 net->ipv4.ip_local_ports.range[0] = range[0]; in set_local_port_range()
61 net->ipv4.ip_local_ports.range[1] = range[1]; in set_local_port_range()
105 ipv4.sysctl_ip_prot_sock); in ipv4_privileged_ports()
204 ipv4.sysctl_ip_fwd_update_priority); in ipv4_fwd_update_priority()
217 ipv4.tcp_congestion_control); in proc_tcp_congestion_control()
290 ipv4.sysctl_tcp_fastopen); in proc_tcp_fastopen_key()
670 .data = &init_net.ipv4.sysctl_tcp_ecn,
881 .data = &init_net.ipv4.sysctl_igmp_qrv,
1097 .data = &init_net.ipv4.sysctl_tcp_sack,
[all …]
A Dtcp_plb.c30 if (!READ_ONCE(net->ipv4.sysctl_tcp_plb_enabled)) in tcp_plb_update_state()
34 if (cong_ratio < READ_ONCE(net->ipv4.sysctl_tcp_plb_cong_thresh)) in tcp_plb_update_state()
37 READ_ONCE(net->ipv4.sysctl_tcp_plb_rehash_rounds)) in tcp_plb_update_state()
52 if (!READ_ONCE(net->ipv4.sysctl_tcp_plb_enabled)) in tcp_plb_check_rehash()
56 READ_ONCE(net->ipv4.sysctl_tcp_plb_rehash_rounds); in tcp_plb_check_rehash()
58 idle_rehash = READ_ONCE(net->ipv4.sysctl_tcp_plb_idle_rehash_rounds) && in tcp_plb_check_rehash()
61 READ_ONCE(net->ipv4.sysctl_tcp_plb_idle_rehash_rounds); in tcp_plb_check_rehash()
71 max_suspend = 2 * READ_ONCE(net->ipv4.sysctl_tcp_plb_suspend_rto_sec) * HZ; in tcp_plb_check_rehash()
96 if (!READ_ONCE(net->ipv4.sysctl_tcp_plb_enabled)) in tcp_plb_update_state_upon_rto()
99 pause = READ_ONCE(net->ipv4.sysctl_tcp_plb_suspend_rto_sec) * HZ; in tcp_plb_update_state_upon_rto()
A Dtcp_ipv4.c3188 net->ipv4.sysctl_tcp_ecn = 2; in tcp_sk_init()
3203 net->ipv4.sysctl_tcp_syncookies = 1; in tcp_sk_init()
3210 net->ipv4.sysctl_tcp_tw_reuse = 2; in tcp_sk_init()
3216 net->ipv4.sysctl_tcp_sack = 1; in tcp_sk_init()
3218 net->ipv4.sysctl_tcp_timestamps = 1; in tcp_sk_init()
3224 net->ipv4.sysctl_tcp_dsack = 1; in tcp_sk_init()
3225 net->ipv4.sysctl_tcp_app_win = 31; in tcp_sk_init()
3227 net->ipv4.sysctl_tcp_frto = 2; in tcp_sk_init()
3248 memcpy(net->ipv4.sysctl_tcp_rmem, in tcp_sk_init()
3251 memcpy(net->ipv4.sysctl_tcp_wmem, in tcp_sk_init()
[all …]
A Dfib_notifier.c25 net->ipv4.fib_seq++; in call_fib4_notifiers()
33 return net->ipv4.fib_seq + fib4_rules_seq_read(net); in fib4_seq_read()
59 net->ipv4.fib_seq = 0; in fib4_notifier_init()
64 net->ipv4.notifier_ops = ops; in fib4_notifier_init()
71 fib_notifier_ops_unregister(net->ipv4.notifier_ops); in fib4_notifier_exit()
A Dfib_rules.c270 atomic_inc(&net->ipv4.fib_num_tclassid_users); in fib4_rule_configure()
275 net->ipv4.fib_rules_require_fldissect++; in fib4_rule_configure()
282 net->ipv4.fib_has_custom_rules = true; in fib4_rule_configure()
301 atomic_dec(&net->ipv4.fib_num_tclassid_users); in fib4_rule_delete()
303 net->ipv4.fib_has_custom_rules = true; in fib4_rule_delete()
305 if (net->ipv4.fib_rules_require_fldissect && in fib4_rule_delete()
307 net->ipv4.fib_rules_require_fldissect--; in fib4_rule_delete()
422 net->ipv4.rules_ops = ops; in fib4_rules_init()
423 net->ipv4.fib_has_custom_rules = false; in fib4_rules_init()
424 net->ipv4.fib_rules_require_fldissect = 0; in fib4_rules_init()
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/linux-6.3-rc2/tools/testing/selftests/bpf/progs/
A Dtest_sk_assign.c54 get_tuple(struct __sk_buff *skb, bool *ipv4, bool *tcp) in get_tuple() argument
78 *ipv4 = true; in get_tuple()
87 *ipv4 = false; in get_tuple()
109 tuple_len = ipv4 ? sizeof(tuple->ipv4) : sizeof(tuple->ipv6); in handle_udp()
117 dport = ipv4 ? tuple->ipv4.dport : tuple->ipv6.dport; in handle_udp()
140 tuple_len = ipv4 ? sizeof(tuple->ipv4) : sizeof(tuple->ipv6); in handle_tcp()
151 dport = ipv4 ? tuple->ipv4.dport : tuple->ipv6.dport; in handle_tcp()
174 bool ipv4 = false; in bpf_sk_assign_test() local
179 tuple = get_tuple(skb, &ipv4, &tcp); in bpf_sk_assign_test()
189 ret = handle_tcp(skb, tuple, ipv4); in bpf_sk_assign_test()
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A Dxdp_synproxy_kern.c367 if (hdr->ipv4->ihl * 4 < sizeof(*hdr->ipv4)) in tcp_dissect()
375 hdr->tcp = (void *)hdr->ipv4 + hdr->ipv4->ihl * 4; in tcp_dissect()
418 if (hdr->ipv4) { in tcp_lookup()
425 tup.ipv4.saddr = hdr->ipv4->saddr; in tcp_lookup()
426 tup.ipv4.daddr = hdr->ipv4->daddr; in tcp_lookup()
524 swap(hdr->ipv4->saddr, hdr->ipv4->daddr); in tcpv4_gen_synack()
608 if (csum_tcpudp_magic(hdr->ipv4->saddr, hdr->ipv4->daddr, in syncookie_handle_syn()
649 if (hdr->ipv4->ihl * 4 > sizeof(*hdr->ipv4)) { in syncookie_handle_syn()
656 hdr->ipv4->ihl = sizeof(*hdr->ipv4) / 4; in syncookie_handle_syn()
716 if (hdr->ipv4) in syncookie_handle_ack()
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A Dtest_bpf_nf.c80 __builtin_memset(&bpf_tuple, 0, sizeof(bpf_tuple.ipv4)); in nf_ct_test()
89 ct = lookup_fn(ctx, &bpf_tuple, sizeof(bpf_tuple.ipv4), &opts_def, in nf_ct_test()
146 bpf_tuple.ipv4.saddr = bpf_get_prandom_u32(); /* src IP */ in nf_ct_test()
147 bpf_tuple.ipv4.daddr = bpf_get_prandom_u32(); /* dst IP */ in nf_ct_test()
148 bpf_tuple.ipv4.sport = bpf_get_prandom_u32(); /* src port */ in nf_ct_test()
149 bpf_tuple.ipv4.dport = bpf_get_prandom_u32(); /* dst port */ in nf_ct_test()
174 ct_lk = lookup_fn(ctx, &bpf_tuple, sizeof(bpf_tuple.ipv4), in nf_ct_test()
206 bpf_tuple.ipv4.saddr = saddr; in nf_ct_test()
207 bpf_tuple.ipv4.daddr = daddr; in nf_ct_test()
208 bpf_tuple.ipv4.sport = sport; in nf_ct_test()
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A Dtest_cls_redirect.c215 struct iphdr *ipv4 = buf_assign(pkt, sizeof(*ipv4), scratch); in pkt_parse_ipv4() local
216 if (ipv4 == NULL) { in pkt_parse_ipv4()
220 if (ipv4->ihl < 5) { in pkt_parse_ipv4()
228 return ipv4; in pkt_parse_ipv4()
624 tuple->ipv4.daddr = ipv4->daddr; in fill_tuple()
625 tuple->ipv4.saddr = ipv4->saddr; in fill_tuple()
740 if (ipv4 == NULL) { in process_icmpv4()
750 tuple.ipv4.saddr = ipv4->daddr; in process_icmpv4()
751 tuple.ipv4.daddr = ipv4->saddr; in process_icmpv4()
880 return process_tcp(pkt, ipv4, sizeof(*ipv4), metrics); in process_ipv4()
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A Dconnect4_prog.c153 memset(&tuple.ipv4.saddr, 0, sizeof(tuple.ipv4.saddr)); in connect_v4_prog()
154 memset(&tuple.ipv4.sport, 0, sizeof(tuple.ipv4.sport)); in connect_v4_prog()
156 tuple.ipv4.daddr = bpf_htonl(DST_REWRITE_IP4); in connect_v4_prog()
157 tuple.ipv4.dport = bpf_htons(DST_REWRITE_PORT4); in connect_v4_prog()
172 sk = bpf_sk_lookup_tcp(ctx, &tuple, sizeof(tuple.ipv4), in connect_v4_prog()
175 sk = bpf_sk_lookup_udp(ctx, &tuple, sizeof(tuple.ipv4), in connect_v4_prog()
181 if (sk->src_ip4 != tuple.ipv4.daddr || in connect_v4_prog()
A Dtest_bpf_nf_fail.c34 ct = bpf_skb_ct_alloc(ctx, &tup, sizeof(tup.ipv4), &opts, sizeof(opts)); in alloc_release()
48 ct = bpf_skb_ct_alloc(ctx, &tup, sizeof(tup.ipv4), &opts, sizeof(opts)); in insert_insert()
65 ct = bpf_skb_ct_lookup(ctx, &tup, sizeof(tup.ipv4), &opts, sizeof(opts)); in lookup_insert()
79 ct = bpf_skb_ct_lookup(ctx, &tup, sizeof(tup.ipv4), &opts, sizeof(opts)); in write_not_allowlisted_field()
93 ct = bpf_skb_ct_alloc(ctx, &tup, sizeof(tup.ipv4), &opts, sizeof(opts)); in set_timeout_after_insert()
110 ct = bpf_skb_ct_alloc(ctx, &tup, sizeof(tup.ipv4), &opts, sizeof(opts)); in set_status_after_insert()
127 ct = bpf_skb_ct_alloc(ctx, &tup, sizeof(tup.ipv4), &opts, sizeof(opts)); in change_timeout_after_alloc()
141 ct = bpf_skb_ct_alloc(ctx, &tup, sizeof(tup.ipv4), &opts, sizeof(opts)); in change_status_after_alloc()
A Dtest_sk_lookup_kern.c23 bool *ipv4) in get_tuple() argument
36 *ipv4 = true; in get_tuple()
45 *ipv4 = true; in get_tuple()
64 bool ipv4; in sk_lookup_success() local
69 tuple = get_tuple(data, sizeof(*eth), data_end, eth->h_proto, &ipv4); in sk_lookup_success()
73 tuple_len = ipv4 ? sizeof(tuple->ipv4) : sizeof(tuple->ipv6); in sk_lookup_success()
/linux-6.3-rc2/drivers/infiniband/hw/irdma/
A Dtrace_cm.h15 #define __print_ip_addr(addr, port, ipv4) print_ip_addr(p, addr, port, ipv4) argument
26 __field(bool, ipv4)
30 __entry->ipv4 = cm_info->ipv4;
48 __field(bool, ipv4)
53 __entry->ipv4 = listener->ipv4;
71 __field(bool, ipv4)
79 __entry->ipv4 = listener->ipv4;
159 __entry->ipv4 = listener->ipv4;
227 __entry->ipv4 = cm_node->ipv4;
302 __entry->ipv4 = cm_node->ipv4;
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/linux-6.3-rc2/drivers/net/ethernet/mediatek/
A Dmtk_ppe_debugfs.c106 ai.src_port = &entry->ipv4.orig.src_port; in mtk_ppe_debugfs_foe_show()
107 ai.dest_port = &entry->ipv4.orig.dest_port; in mtk_ppe_debugfs_foe_show()
110 ai.src = &entry->ipv4.orig.src_ip; in mtk_ppe_debugfs_foe_show()
111 ai.dest = &entry->ipv4.orig.dest_ip; in mtk_ppe_debugfs_foe_show()
131 ai.src_port = &entry->ipv4.new.src_port; in mtk_ppe_debugfs_foe_show()
132 ai.dest_port = &entry->ipv4.new.dest_port; in mtk_ppe_debugfs_foe_show()
135 ai.src = &entry->ipv4.new.src_ip; in mtk_ppe_debugfs_foe_show()
136 ai.dest = &entry->ipv4.new.dest_ip; in mtk_ppe_debugfs_foe_show()
146 l2 = &entry->ipv4.l2; in mtk_ppe_debugfs_foe_show()
147 ib2 = entry->ipv4.ib2; in mtk_ppe_debugfs_foe_show()
/linux-6.3-rc2/tools/testing/selftests/netfilter/
A Dipvs.sh141 ip netns exec ns1 sysctl -qw net.ipv4.ip_forward=1
147 ip netns exec ns2 sysctl -qw net.ipv4.conf.all.arp_ignore=1
148 ip netns exec ns2 sysctl -qw net.ipv4.conf.all.arp_announce=2
150 ip netns exec ns2 sysctl -qw net.ipv4.conf.all.rp_filter=0
160 ip netns exec ns1 sysctl -qw net.ipv4.ip_forward=1
176 ip netns exec ns1 sysctl -qw net.ipv4.ip_forward=0
185 ip netns exec ns2 sysctl -qw net.ipv4.conf.all.arp_ignore=1
186 ip netns exec ns2 sysctl -qw net.ipv4.conf.all.arp_announce=2
187 ip netns exec ns2 sysctl -qw net.ipv4.conf.all.rp_filter=0
188 ip netns exec ns2 sysctl -qw net.ipv4.conf.tunl0.rp_filter=0
[all …]
/linux-6.3-rc2/tools/testing/selftests/net/forwarding/
A Dgre_custom_multipath_hash.sh381 sysctl_set net.ipv4.neigh.default.gc_thresh1 1024
382 sysctl_set net.ipv4.neigh.default.gc_thresh2 1024
383 sysctl_set net.ipv4.neigh.default.gc_thresh3 1024
385 sysctl_set net.ipv4.fib_multipath_hash_fields 0x0040
389 sysctl_set net.ipv4.fib_multipath_hash_fields 0x0080
393 sysctl_set net.ipv4.fib_multipath_hash_fields 0x0400
401 sysctl_restore net.ipv4.neigh.default.gc_thresh3
402 sysctl_restore net.ipv4.neigh.default.gc_thresh2
403 sysctl_restore net.ipv4.neigh.default.gc_thresh1
450 sysctl_set net.ipv4.fib_multipath_hash_policy 3
[all …]
A Drouter_broadcast.sh146 sysctl_set net.ipv4.conf.all.bc_forwarding 0
147 sysctl_set net.ipv4.conf.$rp1.bc_forwarding 0
148 sysctl_set net.ipv4.conf.$rp2.bc_forwarding 0
153 sysctl_set net.ipv4.conf.all.bc_forwarding 1
154 sysctl_set net.ipv4.conf.$rp1.bc_forwarding 1
155 sysctl_set net.ipv4.conf.$rp2.bc_forwarding 1
160 sysctl_restore net.ipv4.conf.$rp2.bc_forwarding
161 sysctl_restore net.ipv4.conf.$rp1.bc_forwarding
162 sysctl_restore net.ipv4.conf.all.bc_forwarding
183 sysctl_set net.ipv4.icmp_echo_ignore_broadcasts 0
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A Dcustom_multipath_hash.sh284 sysctl_set net.ipv4.fib_multipath_hash_policy 3
288 sysctl_set net.ipv4.neigh.default.gc_thresh1 1024
289 sysctl_set net.ipv4.neigh.default.gc_thresh2 1024
290 sysctl_set net.ipv4.neigh.default.gc_thresh3 1024
292 sysctl_set net.ipv4.fib_multipath_hash_fields 0x0001
296 sysctl_set net.ipv4.fib_multipath_hash_fields 0x0002
300 sysctl_set net.ipv4.fib_multipath_hash_fields 0x0010
308 sysctl_restore net.ipv4.neigh.default.gc_thresh3
309 sysctl_restore net.ipv4.neigh.default.gc_thresh2
310 sysctl_restore net.ipv4.neigh.default.gc_thresh1
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A Dmirror_gre_nh.sh32 sysctl_set net.ipv4.conf.all.rp_filter 0
33 sysctl_set net.ipv4.conf.$h3.rp_filter 0
38 sysctl_set net.ipv4.conf.v$h3.rp_filter 0
66 sysctl_restore net.ipv4.conf.v$h3.rp_filter 0
71 sysctl_restore net.ipv4.conf.$h3.rp_filter
72 sysctl_restore net.ipv4.conf.all.rp_filter
/linux-6.3-rc2/drivers/infiniband/hw/usnic/
A Dusnic_fwd.h115 filter->u.ipv4.flags = FILTER_FIELD_5TUP_PROTO; in usnic_fwd_init_udp_filter()
116 filter->u.ipv4.protocol = PROTO_UDP; in usnic_fwd_init_udp_filter()
119 filter->u.ipv4.flags |= FILTER_FIELD_5TUP_DST_AD; in usnic_fwd_init_udp_filter()
120 filter->u.ipv4.dst_addr = daddr; in usnic_fwd_init_udp_filter()
124 filter->u.ipv4.flags |= FILTER_FIELD_5TUP_DST_PT; in usnic_fwd_init_udp_filter()
125 filter->u.ipv4.dst_port = dport; in usnic_fwd_init_udp_filter()
/linux-6.3-rc2/tools/testing/selftests/net/
A Droute_localnet.sh16 sysctl -w net.ipv4.conf.veth0.route_localnet=1
17 ip netns exec "${PEER_NS}" sysctl -w net.ipv4.conf.veth1.route_localnet=1
40 sysctl -w net.ipv4.conf.veth0.arp_announce=2
41 ip netns exec "${PEER_NS}" sysctl -w net.ipv4.conf.veth1.arp_announce=2
57 sysctl -w net.ipv4.conf.veth0.arp_ignore=3
58 ip netns exec "${PEER_NS}" sysctl -w net.ipv4.conf.veth1.arp_ignore=3
/linux-6.3-rc2/samples/bpf/
A Dtc_l2_redirect.sh10 RP_FILTER=$(< /proc/sys/net/ipv4/conf/all/rp_filter)
49 $IP netns exec ns2 sysctl -q -w net.ipv4.conf.all.rp_filter=0
54 $IP netns exec ns2 sysctl -q -w net.ipv4.conf.all.rp_filter=0
66 sysctl -q -w net.ipv4.conf.all.rp_filter=0
80 sysctl -q -w net.ipv4.conf.all.rp_filter=$RP_FILTER
97 sysctl -q -w net.ipv4.conf.ipt.rp_filter=0
98 sysctl -q -w net.ipv4.conf.ipt.forwarding=1
103 sysctl -q -w net.ipv4.conf.ve1.forwarding=1
133 sysctl -q -w net.ipv4.conf.ip6t.rp_filter=0
134 sysctl -q -w net.ipv4.conf.ip6t.forwarding=1
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/linux-6.3-rc2/drivers/infiniband/hw/ocrdma/
A Docrdma_ah.c83 struct iphdr ipv4; in set_av_attr() local
128 *((__be16 *)&ipv4) = htons((4 << 12) | (5 << 8) | in set_av_attr()
130 ipv4.id = cpu_to_be16(pdid); in set_av_attr()
131 ipv4.frag_off = htons(IP_DF); in set_av_attr()
132 ipv4.tot_len = htons(0); in set_av_attr()
133 ipv4.ttl = ib_grh->hop_limit; in set_av_attr()
134 ipv4.protocol = nxthdr; in set_av_attr()
136 ipv4.saddr = sgid_addr._sockaddr_in.sin_addr.s_addr; in set_av_attr()
138 ipv4.daddr = dgid_addr._sockaddr_in.sin_addr.s_addr; in set_av_attr()
139 memcpy((u8 *)ah->av + eth_sz, &ipv4, sizeof(struct iphdr)); in set_av_attr()
/linux-6.3-rc2/tools/testing/selftests/bpf/
A Dtest_tc_tunnel.sh101 $0 ipv4 ipip none 100
104 $0 ipv4 ipip6 none 100
113 $0 ipv4 vxlan eth 2000
120 $0 ipv4 gre $mac 100
126 $0 ipv4 gre $mac 2000
132 $0 ipv4 udp $mac 100
138 $0 ipv4 udp $mac 2000
276 ip netns exec "${ns2}" sysctl -qw net.ipv4.conf.lo.rp_filter=0
283 ip netns exec "${ns2}" sysctl -qw net.ipv4.conf.all.rp_filter=0
286 ip netns exec "${ns2}" sysctl -qw net.ipv4.conf.testtun0.rp_filter=0
/linux-6.3-rc2/drivers/net/ethernet/mellanox/mlx5/core/en/tc/
A Dct_fs_smfs.c58 if (likely(ipv4)) { in mlx5_ct_fs_smfs_fill_mask()
60 src_ipv4_src_ipv6.ipv4_layout.ipv4); in mlx5_ct_fs_smfs_fill_mask()
62 dst_ipv4_dst_ipv6.ipv4_layout.ipv4); in mlx5_ct_fs_smfs_fill_mask()
90 mlx5_ct_fs_smfs_matcher_create(struct mlx5_ct_fs *fs, struct mlx5dr_table *tbl, bool ipv4, in mlx5_ct_fs_smfs_matcher_create() argument
100 mlx5_ct_fs_smfs_fill_mask(fs, spec, ipv4, tcp, gre); in mlx5_ct_fs_smfs_matcher_create()
123 smfs_matcher = &matchers->smfs_matchers[ipv4 * 3 + tcp * 2 + gre]; in mlx5_ct_fs_smfs_matcher_get()
149 dr_matcher = mlx5_ct_fs_smfs_matcher_create(fs, tbl, ipv4, tcp, gre, prio); in mlx5_ct_fs_smfs_matcher_get()
153 nat, ipv4, tcp, gre, PTR_ERR(dr_matcher)); in mlx5_ct_fs_smfs_matcher_get()
300 bool nat, tcp, ipv4, gre; in mlx5_ct_fs_smfs_ct_rule_add() local
320 ipv4 = mlx5e_tc_get_ip_version(spec, true) == 4; in mlx5_ct_fs_smfs_ct_rule_add()
[all …]

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