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/linux/tools/testing/selftests/net/packetdrill/
H A Ddefaults.sh10 sysctl -q net.ipv4.tcp_rmem="4096 540000 $((15*1024*1024))"
11 sysctl -q net.ipv4.tcp_wmem="4096 $((256*1024)) 4194304"
14 sysctl -q net.ipv4.tcp_timestamps=1
17 sysctl -q net.ipv4.tcp_syn_retries=5
18 sysctl -q net.ipv4.tcp_synack_retries=5
21 sysctl -q net.ipv4.tcp_frto=2
24 sysctl -q net.ipv4.tcp_sack=1
27 sysctl -q net.ipv4.tcp_dsack=1
30 sysctl -q net.ipv4.tcp_fack=0
33 sysctl -q net.ipv4
[all...]
/linux/tools/testing/selftests/bpf/progs/
H A Dtest_tcp_custom_syncookie.c61 struct iphdr *ipv4; member
84 ctx->ipv4 = (struct iphdr *)(ctx->eth + 1); in tcp_load_headers()
86 if (ctx->ipv4 + 1 > ctx->data_end) in tcp_load_headers()
89 if (ctx->ipv4->ihl != sizeof(*ctx->ipv4) / 4) in tcp_load_headers()
92 if (ctx->ipv4->version != 4) in tcp_load_headers()
95 if (ctx->ipv4->protocol != IPPROTO_TCP) in tcp_load_headers()
98 ctx->tcp = (struct tcphdr *)(ctx->ipv4 + 1); in tcp_load_headers()
143 if (ctx->ipv4) { in tcp_reload_headers()
144 ctx->ipv4 in tcp_reload_headers()
[all...]
H A Dtest_sk_assign.c55 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()
102 handle_udp(struct __sk_buff *skb, struct bpf_sock_tuple *tuple, bool ipv4) in handle_udp() argument
110 tuple_len = ipv4 ? sizeof(tuple->ipv4) : sizeof(tuple->ipv6); in handle_udp()
118 dport = ipv4 ? tuple->ipv4.dport : tuple->ipv6.dport; in handle_udp()
133 handle_tcp(struct __sk_buff *skb, struct bpf_sock_tuple *tuple, bool ipv4) in handle_tcp() argument
141 tuple_len = ipv4 ? sizeof(tuple->ipv4) : sizeof(tuple->ipv6); in handle_tcp()
152 dport = ipv4 ? tuple->ipv4.dport : tuple->ipv6.dport; in handle_tcp()
175 bool ipv4 = false; in bpf_sk_assign_test() local
[all …]
H A Dtest_bpf_nf.c100 __builtin_memset(&bpf_tuple, 0, sizeof(bpf_tuple.ipv4)); in nf_ct_test()
109 ct = lookup_fn(ctx, &bpf_tuple, sizeof(bpf_tuple.ipv4), &opts_def, in nf_ct_test()
119 ct = lookup_fn(ctx, &bpf_tuple, sizeof(bpf_tuple.ipv4), &opts_def, in nf_ct_test()
127 ct = lookup_fn(ctx, &bpf_tuple, sizeof(bpf_tuple.ipv4), &opts_def, in nf_ct_test()
135 ct = lookup_fn(ctx, &bpf_tuple, sizeof(bpf_tuple.ipv4), &opts_def, in nf_ct_test()
144 ct = lookup_fn(ctx, &bpf_tuple, sizeof(bpf_tuple.ipv4), &opts_def, in nf_ct_test()
152 ct = lookup_fn(ctx, &bpf_tuple, sizeof(bpf_tuple.ipv4), &opts_def, in nf_ct_test()
159 ct = lookup_fn(ctx, &bpf_tuple, sizeof(bpf_tuple.ipv4) - 1, &opts_def, in nf_ct_test()
166 bpf_tuple.ipv4.saddr = bpf_get_prandom_u32(); /* src IP */ in nf_ct_test()
167 bpf_tuple.ipv4.daddr = bpf_get_prandom_u32(); /* dst IP */ in nf_ct_test()
[all …]
H A Dtest_cls_redirect.c92 offsetofend(struct bpf_sock_tuple, ipv4.dport) -
93 offsetof(struct bpf_sock_tuple, ipv4.sport) - 1,
199 static INLINING bool pkt_skip_ipv4_options(buf_t *buf, const struct iphdr *ipv4) in buf_assign()
201 if (ipv4->ihl <= 5) { in pkt_skip_ipv4_options() argument
205 return buf_skip(buf, (ipv4->ihl - 5) * 4); in pkt_skip_ipv4_options()
216 struct iphdr *ipv4 = buf_assign(pkt, sizeof(*ipv4), scratch); in pkt_parse_ipv4()
217 if (ipv4 == NULL) { in pkt_parse_ipv4()
221 if (ipv4->ihl < 5) { in pkt_parse_ipv4()
225 if (!pkt_skip_ipv4_options(pkt, ipv4)) { in pkt_parse_ipv4()
218 struct iphdr *ipv4 = buf_assign(pkt, sizeof(*ipv4), scratch); pkt_parse_ipv4() local
626 struct iphdr *ipv4 = (struct iphdr *)iph; fill_tuple() local
742 const struct iphdr *ipv4 = pkt_parse_ipv4(pkt, &_ip4); process_icmpv4() local
862 struct iphdr *ipv4 = pkt_parse_ipv4(pkt, &_ip4); process_ipv4() local
[all...]
H A Dconnect4_prog.c150 memset(&tuple.ipv4.saddr, 0, sizeof(tuple.ipv4.saddr)); in connect_v4_prog()
151 memset(&tuple.ipv4.sport, 0, sizeof(tuple.ipv4.sport)); in connect_v4_prog()
153 tuple.ipv4.daddr = bpf_htonl(DST_REWRITE_IP4); in connect_v4_prog()
154 tuple.ipv4.dport = bpf_htons(DST_REWRITE_PORT4); in connect_v4_prog()
169 sk = bpf_sk_lookup_tcp(ctx, &tuple, sizeof(tuple.ipv4), in connect_v4_prog()
172 sk = bpf_sk_lookup_udp(ctx, &tuple, sizeof(tuple.ipv4), in connect_v4_prog()
178 if (sk->src_ip4 != tuple.ipv4.daddr || in connect_v4_prog()
H A Dtest_bpf_nf_fail.c35 ct = bpf_skb_ct_alloc(ctx, &tup, sizeof(tup.ipv4), &opts, sizeof(opts)); in alloc_release()
49 ct = bpf_skb_ct_alloc(ctx, &tup, sizeof(tup.ipv4), &opts, sizeof(opts)); in insert_insert()
66 ct = bpf_skb_ct_lookup(ctx, &tup, sizeof(tup.ipv4), &opts, sizeof(opts)); in lookup_insert()
80 ct = bpf_skb_ct_lookup(ctx, &tup, sizeof(tup.ipv4), &opts, sizeof(opts)); in write_not_allowlisted_field()
94 ct = bpf_skb_ct_alloc(ctx, &tup, sizeof(tup.ipv4), &opts, sizeof(opts)); in set_timeout_after_insert()
111 ct = bpf_skb_ct_alloc(ctx, &tup, sizeof(tup.ipv4), &opts, sizeof(opts)); in set_status_after_insert()
128 ct = bpf_skb_ct_alloc(ctx, &tup, sizeof(tup.ipv4), &opts, sizeof(opts)); in change_timeout_after_alloc()
142 ct = bpf_skb_ct_alloc(ctx, &tup, sizeof(tup.ipv4), &opts, sizeof(opts)); in change_status_after_alloc()
H A Dtest_cls_redirect_dynptr.c88 offsetofend(struct bpf_sock_tuple, ipv4.dport) -
89 offsetof(struct bpf_sock_tuple, ipv4.sport) - 1,
135 /* skip ipv4 options */ in pkt_parse_ipv4()
516 struct iphdr *ipv4 = (struct iphdr *)iph; in fill_tuple() local
517 tuple->ipv4.daddr = ipv4->daddr; in fill_tuple()
518 tuple->ipv4.saddr = ipv4->saddr; in fill_tuple()
519 tuple->ipv4.sport = sport; in fill_tuple()
520 tuple->ipv4 in fill_tuple()
609 struct iphdr ipv4; process_icmpv4() local
751 struct iphdr ipv4; process_ipv4() local
[all...]
H 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/net/ipv4/
H 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()
/linux/drivers/infiniband/hw/irdma/
H 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;
37 __entry->lport, __entry->ipv4)
48 __field(bool, ipv4)
53 __entry->ipv4 = listener->ipv4;
61 __entry->lport, __entry->ipv4)
71 __field(bool, ipv4)
79 __entry->ipv4 = listener->ipv4;
88 __entry->lport, __entry->ipv4)
[all …]
/linux/Documentation/translations/zh_CN/security/
H A DSCTP.rst50 sizeof(struct sockaddr_in6)来计算每个ipv4或ipv6地址。
56 | SCTP_SOCKOPT_BINDX_ADD | 一个或多个 ipv4 / ipv6 地址 |
57 | SCTP_PRIMARY_ADDR | 单个 ipv4 or ipv6 地址 |
58 | SCTP_SET_PEER_PRIMARY_ADDR | 单个 ipv4 or ipv6 地址 |
65 | SCTP_SOCKOPT_CONNECTX | 一个或多个 ipv4 / ipv6 地址 |
66 | SCTP_PARAM_ADD_IP | 一个或多个 ipv4 / ipv6 地址 |
67 | SCTP_SENDMSG_CONNECT | 单个 ipv4 or ipv6 地址 |
68 | SCTP_PARAM_SET_PRIMARY | 单个 ipv4 or ipv6 地址 |
218 根据 ``@optname`` 检查ipv4/ipv6地址所需的权限，具体如下::
224 | SCTP_SOCKOPT_BINDX_ADD | 一个或多个 ipv4 / ipv6 地址 |
[all …]
/linux/tools/testing/selftests/net/netfilter/packetdrill/
H A Dcommon.sh13 sysctl -q net.ipv4.tcp_rmem="4096 540000 $((15*1024*1024))"
14 sysctl -q net.ipv4.tcp_wmem="4096 $((256*1024)) 4194304"
17 sysctl -q net.ipv4.tcp_congestion_control=cubic
20 sysctl -q net.ipv4.tcp_slow_start_after_idle=0
23 sysctl -q net.ipv4.tcp_ecn=0
25 sysctl -q net.ipv4.tcp_notsent_lowat=4294967295 > /dev/null 2>&1
/linux/tools/testing/selftests/net/forwarding/
H A Dgre_custom_multipath_hash.sh381 sysctl_set net.ipv4.neigh.default.gc_thresh1 1024
382 sysctl_set net.ipv4.neigh.default.gc_thresh2 1024
383 sysctl_set net.ipv4.neigh.default.gc_thresh3 1024
385 sysctl_set net.ipv4.fib_multipath_hash_fields 0x0040
389 sysctl_set net.ipv4.fib_multipath_hash_fields 0x0080
393 sysctl_set net.ipv4.fib_multipath_hash_fields 0x0400
397 sysctl_set net.ipv4.fib_multipath_hash_fields 0x0800
401 sysctl_restore net.ipv4.neigh.default.gc_thresh3
402 sysctl_restore net.ipv4.neigh.default.gc_thresh2
403 sysctl_restore net.ipv4
[all...]
H A Drouter_broadcast.sh146 sysctl_set net.ipv4.conf.all.bc_forwarding 0
147 sysctl_set net.ipv4.conf.$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.$rp1.bc_forwarding
162 sysctl_restore net.ipv4.conf.all.bc_forwarding
183 sysctl_set net.ipv4.icmp_echo_ignore_broadcasts 0
[all …]
H A Dcustom_multipath_hash.sh284 sysctl_set net.ipv4.fib_multipath_hash_policy 3
288 sysctl_set net.ipv4.neigh.default.gc_thresh1 1024
289 sysctl_set net.ipv4.neigh.default.gc_thresh2 1024
290 sysctl_set net.ipv4.neigh.default.gc_thresh3 1024
292 sysctl_set net.ipv4.fib_multipath_hash_fields 0x0001
296 sysctl_set net.ipv4.fib_multipath_hash_fields 0x0002
300 sysctl_set net.ipv4.fib_multipath_hash_fields 0x0010
304 sysctl_set net.ipv4.fib_multipath_hash_fields 0x0020
308 sysctl_restore net.ipv4.neigh.default.gc_thresh3
309 sysctl_restore net.ipv4
[all...]
H A Dmirror_gre_nh.sh32 sysctl_set net.ipv4.conf.all.rp_filter 0
33 sysctl_set net.ipv4.conf.$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.$h3.rp_filter
72 sysctl_restore net.ipv4.conf.all.rp_filter
/linux/drivers/net/ethernet/mediatek/
H A Dmtk_ppe_debugfs.c110 ai.src_port = &entry->ipv4.orig.src_port; in mtk_ppe_debugfs_foe_show()
111 ai.dest_port = &entry->ipv4.orig.dest_port; in mtk_ppe_debugfs_foe_show()
114 ai.src = &entry->ipv4.orig.src_ip; in mtk_ppe_debugfs_foe_show()
115 ai.dest = &entry->ipv4.orig.dest_ip; in mtk_ppe_debugfs_foe_show()
135 ai.src_port = &entry->ipv4.new.src_port; in mtk_ppe_debugfs_foe_show()
136 ai.dest_port = &entry->ipv4.new.dest_port; in mtk_ppe_debugfs_foe_show()
139 ai.src = &entry->ipv4.new.src_ip; in mtk_ppe_debugfs_foe_show()
140 ai.dest = &entry->ipv4.new.dest_ip; in mtk_ppe_debugfs_foe_show()
150 l2 = &entry->ipv4.l2; in mtk_ppe_debugfs_foe_show()
151 ib2 = entry->ipv4.ib2; in mtk_ppe_debugfs_foe_show()
/linux/tools/testing/selftests/net/netfilter/
H A Dbridge_brouter.sh54 if ! ip netns exec "$nsbr" ebtables -t broute -A BROUTING -p ipv4 --ip-protocol icmp -j redirect --redirect-target=DROP; then
59 ip netns exec "$nsbr" sysctl -q net.ipv4.conf.veth0.forwarding=0
71 ip netns exec "$nsbr" sysctl -q net.ipv4.conf.veth0.forwarding=1
72 ip netns exec "$nsbr" sysctl -q net.ipv4.conf.veth1.forwarding=1
88 ip netns exec "$nsbr" ebtables -t filter -A FORWARD -p ipv4 --ip-protocol icmp -j DROP
97 ip netns exec "$nsbr" ebtables -t broute -A BROUTING -p ipv4 --ip-protocol icmp -j redirect --redirect-target=DROP
H A Dipvs.sh124 ip netns exec "${ns1}" sysctl -qw net.ipv4.ip_forward=1
130 ip netns exec "${ns2}" sysctl -qw net.ipv4.conf.all.arp_ignore=1
131 ip netns exec "${ns2}" sysctl -qw net.ipv4.conf.all.arp_announce=2
140 ip netns exec "${ns1}" sysctl -qw net.ipv4.ip_forward=1
156 ip netns exec "${ns1}" sysctl -qw net.ipv4.ip_forward=0
157 ip netns exec "${ns1}" sysctl -qw net.ipv4.conf.all.send_redirects=0
158 ip netns exec "${ns1}" sysctl -qw net.ipv4.conf.default.send_redirects=0
164 ip netns exec "${ns2}" sysctl -qw net.ipv4.conf.all.arp_ignore=1
165 ip netns exec "${ns2}" sysctl -qw net.ipv4.conf.all.arp_announce=2
166 ip netns exec "${ns2}" sysctl -qw net.ipv4.conf.tunl0.rp_filter=0
H A Dnft_nat_zones.sh34 v4gc1=$(sysctl -n net.ipv4.neigh.default.gc_thresh1 2>/dev/null)
35 v4gc2=$(sysctl -n net.ipv4.neigh.default.gc_thresh2 2>/dev/null)
36 v4gc3=$(sysctl -n net.ipv4.neigh.default.gc_thresh3 2>/dev/null)
45 sysctl -q net.ipv4.neigh.default.gc_thresh1="$v4gc1" 2>/dev/null
46 sysctl -q net.ipv4.neigh.default.gc_thresh2="$v4gc2" 2>/dev/null
47 sysctl -q net.ipv4.neigh.default.gc_thresh3="$v4gc3" 2>/dev/null
71 sysctl -q net.ipv4.neigh.default.gc_thresh1=512 2>/dev/null
72 sysctl -q net.ipv4.neigh.default.gc_thresh2=1024 2>/dev/null
73 sysctl -q net.ipv4.neigh.default.gc_thresh3=4096 2>/dev/null
88 echo netns exec "$cl" sysctl -q net.ipv4
[all...]
/linux/samples/bpf/
H 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
50 $IP netns exec ns2 sysctl -q -w net.ipv4.conf.ipt2.rp_filter=0
54 $IP netns exec ns2 sysctl -q -w net.ipv4.conf.all.rp_filter=0
55 $IP netns exec ns2 sysctl -q -w net.ipv4.conf.ip6t2.rp_filter=0
66 sysctl -q -w net.ipv4.conf.all.rp_filter=0
80 sysctl -q -w net.ipv4.conf.all.rp_filter=$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
[all …]
/linux/drivers/infiniband/hw/usnic/
H 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/drivers/infiniband/hw/ocrdma/
H 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/tools/testing/selftests/net/
H A Droute_localnet.sh16 sysctl -w net.ipv4.conf.veth0.route_localnet=1
17 ip netns exec "${PEER_NS}" sysctl -w net.ipv4.conf.veth1.route_localnet=1
42 sysctl -w net.ipv4.conf.veth0.arp_announce=2
43 ip netns exec "${PEER_NS}" sysctl -w net.ipv4.conf.veth1.arp_announce=2
59 sysctl -w net.ipv4.conf.veth0.arp_ignore=3
60 ip netns exec "${PEER_NS}" sysctl -w net.ipv4.conf.veth1.arp_ignore=3

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