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/Linux-v5.15/drivers/net/ethernet/intel/iavf/
Diavf_common.c571 /* Non Tunneled IPv4 */
572 IAVF_PTT(22, IP, IPV4, FRG, NONE, NONE, NOF, NONE, PAY3),
573 IAVF_PTT(23, IP, IPV4, NOF, NONE, NONE, NOF, NONE, PAY3),
574 IAVF_PTT(24, IP, IPV4, NOF, NONE, NONE, NOF, UDP, PAY4),
576 IAVF_PTT(26, IP, IPV4, NOF, NONE, NONE, NOF, TCP, PAY4),
577 IAVF_PTT(27, IP, IPV4, NOF, NONE, NONE, NOF, SCTP, PAY4),
578 IAVF_PTT(28, IP, IPV4, NOF, NONE, NONE, NOF, ICMP, PAY4),
580 /* IPv4 --> IPv4 */
581 IAVF_PTT(29, IP, IPV4, NOF, IP_IP, IPV4, FRG, NONE, PAY3),
582 IAVF_PTT(30, IP, IPV4, NOF, IP_IP, IPV4, NOF, NONE, PAY3),
[all …]
/Linux-v5.15/drivers/net/ethernet/intel/ice/
Dice_lan_tx_rx.h676 /* Non Tunneled IPv4 */
677 ICE_PTT(22, IP, IPV4, FRG, NONE, NONE, NOF, NONE, PAY3),
678 ICE_PTT(23, IP, IPV4, NOF, NONE, NONE, NOF, NONE, PAY3),
679 ICE_PTT(24, IP, IPV4, NOF, NONE, NONE, NOF, UDP, PAY4),
681 ICE_PTT(26, IP, IPV4, NOF, NONE, NONE, NOF, TCP, PAY4),
682 ICE_PTT(27, IP, IPV4, NOF, NONE, NONE, NOF, SCTP, PAY4),
683 ICE_PTT(28, IP, IPV4, NOF, NONE, NONE, NOF, ICMP, PAY4),
685 /* IPv4 --> IPv4 */
686 ICE_PTT(29, IP, IPV4, NOF, IP_IP, IPV4, FRG, NONE, PAY3),
687 ICE_PTT(30, IP, IPV4, NOF, IP_IP, IPV4, NOF, NONE, PAY3),
[all …]
/Linux-v5.15/net/ipv4/
Dsysctl_net_ipv4.c3 * sysctl_net_ipv4.c: sysctl interface to net IPV4 subsystem.
6 * Added /proc/sys/net/ipv4 directory entry (empty =) ). [MS]
64 write_seqlock_bh(&net->ipv4.ip_local_ports.lock); in set_local_port_range()
65 if (same_parity && !net->ipv4.ip_local_ports.warned) { in set_local_port_range()
66 net->ipv4.ip_local_ports.warned = true; in set_local_port_range()
69 net->ipv4.ip_local_ports.range[0] = range[0]; in set_local_port_range()
70 net->ipv4.ip_local_ports.range[1] = range[1]; in set_local_port_range()
71 write_sequnlock_bh(&net->ipv4.ip_local_ports.lock); in set_local_port_range()
79 container_of(table->data, struct net, ipv4.ip_local_ports.range); in ipv4_local_port_range()
100 (range[0] < net->ipv4.sysctl_ip_prot_sock)) in ipv4_local_port_range()
[all …]
Dfib_notifier.c9 #include <net/netns/ipv4.h>
26 net->ipv4.fib_seq++; in call_fib4_notifiers()
34 return net->ipv4.fib_seq + fib4_rules_seq_read(net); in fib4_seq_read()
60 net->ipv4.fib_seq = 0; in fib4_notifier_init()
65 net->ipv4.notifier_ops = ops; in fib4_notifier_init()
72 fib_notifier_ops_unregister(net->ipv4.notifier_ops); in fib4_notifier_exit()
/Linux-v5.15/tools/testing/selftests/bpf/
Dtest_flow_dissector.sh102 echo 0 > /proc/sys/net/ipv4/conf/default/rp_filter
103 echo 0 > /proc/sys/net/ipv4/conf/all/rp_filter
104 echo 0 > /proc/sys/net/ipv4/conf/lo/rp_filter
106 echo "Testing IPv4..."
111 # Send 10 IPv4/UDP packets from port 8. Filter should not drop any.
113 # Send 10 IPv4/UDP packets from port 9. Filter should drop all.
115 # Send 10 IPv4/UDP packets from port 10. Filter should not drop any.
119 # Send 10 IPv4/IPv4/UDP packets from port 8. Filter should not drop any.
122 # Send 10 IPv4/IPv4/UDP packets from port 9. Filter should drop all.
125 # Send 10 IPv4/IPv4/UDP packets from port 10. Filter should not drop any.
[all …]
Dtest_lwt_ip_encap.sh116 ip netns exec ${NS1} sysctl -wq net.ipv4.conf.all.rp_filter=0
117 ip netns exec ${NS2} sysctl -wq net.ipv4.conf.all.rp_filter=0
118 ip netns exec ${NS3} sysctl -wq net.ipv4.conf.all.rp_filter=0
119 ip netns exec ${NS1} sysctl -wq net.ipv4.conf.default.rp_filter=0
120 ip netns exec ${NS2} sysctl -wq net.ipv4.conf.default.rp_filter=0
121 ip netns exec ${NS3} sysctl -wq net.ipv4.conf.default.rp_filter=0
128 ip netns exec ${NS2} sysctl -wq net.ipv4.ip_forward=1
232 # configure IPv4 GRE device in NS3, and a route to it via the "bottom" route
288 if [ "${PROTO}" == "IPv4" ] ; then
321 if [ "${PROTO}" == "IPv4" ] ; then
[all …]
/Linux-v5.15/tools/testing/selftests/net/
Dbareudp.sh8 # configurations of bareudp (using IPv4 or IPv6 as underlay and transporting
9 # IPv4, IPv6 or MPLS packets on the overlay).
14 # is assigned an IPv4 and an IPv6 address. A host-route allows a veth to
18 # IPv4 and IPv6 addresses on their loopback device. Routes are added in NS0
20 # For IPv4 and IPv6 reachability tests, the route simply sets the peer's
31 # | * IPv4 address: 192.0.2.100/32 |
34 # | * IPv4 route: 192.0.2.103/32 reachable via 192.0.2.11 |
40 # | ^ * IPv4 address: 192.0.2.10, peer 192.0.2.11/32 |
52 # | * IPv4 address: 192.0.2.11, peer 192.0.2.10/32 |
62 # | ^ * IPv4 address: 192.0.2.21, peer 192.0.2.22/32 |
[all …]
Droute_localnet.sh16 sysctl -w net.ipv4.conf.veth0.route_localnet=1
17 ip netns exec "${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-v5.15/tools/testing/selftests/bpf/progs/
Dtest_sk_assign.c44 get_tuple(struct __sk_buff *skb, bool *ipv4, bool *tcp) in get_tuple() argument
68 *ipv4 = true; in get_tuple()
77 *ipv4 = false; in get_tuple()
91 handle_udp(struct __sk_buff *skb, struct bpf_sock_tuple *tuple, bool ipv4) in handle_udp() argument
100 tuple_len = ipv4 ? sizeof(tuple->ipv4) : sizeof(tuple->ipv6); in handle_udp()
108 dport = ipv4 ? tuple->ipv4.dport : tuple->ipv6.dport; in handle_udp()
123 handle_tcp(struct __sk_buff *skb, struct bpf_sock_tuple *tuple, bool ipv4) in handle_tcp() argument
132 tuple_len = ipv4 ? sizeof(tuple->ipv4) : sizeof(tuple->ipv6); in handle_tcp()
143 dport = ipv4 ? tuple->ipv4.dport : tuple->ipv6.dport; in handle_tcp()
166 bool ipv4 = false; in bpf_sk_assign_test() local
[all …]
Dtest_cls_redirect.c91 offsetofend(struct bpf_sock_tuple, ipv4.dport) -
92 offsetof(struct bpf_sock_tuple, ipv4.sport) - 1,
198 static INLINING bool pkt_skip_ipv4_options(buf_t *buf, const struct iphdr *ipv4) in pkt_skip_ipv4_options() argument
200 if (ipv4->ihl <= 5) { in pkt_skip_ipv4_options()
204 return buf_skip(buf, (ipv4->ihl - 5) * 4); in pkt_skip_ipv4_options()
215 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()
224 if (!pkt_skip_ipv4_options(pkt, ipv4)) { in pkt_parse_ipv4()
228 return ipv4; in pkt_parse_ipv4()
[all …]
Dconnect4_prog.c154 memset(&tuple.ipv4.saddr, 0, sizeof(tuple.ipv4.saddr)); in connect_v4_prog()
155 memset(&tuple.ipv4.sport, 0, sizeof(tuple.ipv4.sport)); in connect_v4_prog()
157 tuple.ipv4.daddr = bpf_htonl(DST_REWRITE_IP4); in connect_v4_prog()
158 tuple.ipv4.dport = bpf_htons(DST_REWRITE_PORT4); in connect_v4_prog()
173 sk = bpf_sk_lookup_tcp(ctx, &tuple, sizeof(tuple.ipv4), in connect_v4_prog()
176 sk = bpf_sk_lookup_udp(ctx, &tuple, sizeof(tuple.ipv4), in connect_v4_prog()
182 if (sk->src_ip4 != tuple.ipv4.daddr || in connect_v4_prog()
/Linux-v5.15/drivers/infiniband/hw/irdma/
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-v5.15/net/netfilter/ipset/
DKconfig33 can store IPv4 addresses (or network addresse) from a range.
42 can store IPv4 address and (source) MAC address pairs from a range.
60 can store arbitrary IPv4 or IPv6 addresses (or network addresses)
70 can store IPv4/IPv6 address and mark pairs.
79 can store IPv4/IPv6 address and protocol/port pairs.
88 one can store IPv4/IPv6 address, protocol/port, and IPv4/IPv6
98 one can store IPv4/IPv6 address, protocol/port, and IPv4/IPv6
108 one can store IPv4/IPv6 address and MAC (ethernet address) pairs in a set.
126 one can store two IPv4/IPv6 subnets, and a protocol/port in a set.
135 one can store IPv4/IPv6 network address/prefix elements in a set.
[all …]
/Linux-v5.15/net/ipv4/netfilter/
DKconfig14 tristate "IPv4 socket lookup support"
16 This option enables the IPv4 socket lookup infrastructure. This is
20 tristate "IPv4 tproxy support"
25 bool "IPv4 nf_tables support"
27 This option enables the IPv4 support for nf_tables.
37 tristate "IPv4 nf_tables packet duplication support"
41 This module enables IPv4 packet duplication support for nf_tables.
47 This module enables IPv4 FIB lookups, e.g. for reverse path filtering.
62 tristate "Netfilter flow table IPv4 module"
65 This option adds the flow table IPv4 support.
[all …]
/Linux-v5.15/drivers/net/ethernet/mediatek/
Dmtk_ppe_debugfs.c33 [MTK_PPE_PKT_TYPE_IPV4_HNAPT] = "IPv4 5T", in mtk_foe_pkt_type_str()
34 [MTK_PPE_PKT_TYPE_IPV4_ROUTE] = "IPv4 3T", in mtk_foe_pkt_type_str()
107 ai.src_port = &entry->ipv4.orig.src_port; in mtk_ppe_debugfs_foe_show()
108 ai.dest_port = &entry->ipv4.orig.dest_port; in mtk_ppe_debugfs_foe_show()
111 ai.src = &entry->ipv4.orig.src_ip; in mtk_ppe_debugfs_foe_show()
112 ai.dest = &entry->ipv4.orig.dest_ip; in mtk_ppe_debugfs_foe_show()
132 ai.src_port = &entry->ipv4.new.src_port; in mtk_ppe_debugfs_foe_show()
133 ai.dest_port = &entry->ipv4.new.dest_port; in mtk_ppe_debugfs_foe_show()
136 ai.src = &entry->ipv4.new.src_ip; in mtk_ppe_debugfs_foe_show()
137 ai.dest = &entry->ipv4.new.dest_ip; in mtk_ppe_debugfs_foe_show()
[all …]
/Linux-v5.15/samples/bpf/
Dtc_l2_redirect.sh10 RP_FILTER=$(< /proc/sys/net/ipv4/conf/all/rp_filter)
48 $IP netns exec ns2 sysctl -q -w net.ipv4.conf.all.rp_filter=0
49 $IP netns exec ns2 sysctl -q -w net.ipv4.conf.ipt2.rp_filter=0
53 $IP netns exec ns2 sysctl -q -w net.ipv4.conf.all.rp_filter=0
54 $IP netns exec ns2 sysctl -q -w net.ipv4.conf.ip6t2.rp_filter=0
65 sysctl -q -w net.ipv4.conf.all.rp_filter=0
78 sysctl -q -w net.ipv4.conf.all.rp_filter=$RP_FILTER
94 sysctl -q -w net.ipv4.conf.ipt.rp_filter=0
95 sysctl -q -w net.ipv4.conf.ipt.forwarding=1
100 sysctl -q -w net.ipv4.conf.ve1.forwarding=1
[all …]
/Linux-v5.15/tools/testing/selftests/netfilter/
Dipvs.sh47 sysipvsnet="/proc/sys/net/ipv4/vs/"
141 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
151 ip netns exec ns2 sysctl -qw net.ipv4.conf.veth21.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
177 ip netns exec ns1 sysctl -qw net.ipv4.conf.all.send_redirects=0
178 ip netns exec ns1 sysctl -qw net.ipv4.conf.default.send_redirects=0
[all …]
Dnft_nat_zones.sh40 v4gc1=$(sysctl -n net.ipv4.neigh.default.gc_thresh1 2>/dev/null)
41 v4gc2=$(sysctl -n net.ipv4.neigh.default.gc_thresh2 2>/dev/null)
42 v4gc3=$(sysctl -n net.ipv4.neigh.default.gc_thresh3 2>/dev/null)
55 sysctl -q net.ipv4.neigh.default.gc_thresh1=$v4gc1 2>/dev/null
56 sysctl -q net.ipv4.neigh.default.gc_thresh2=$v4gc2 2>/dev/null
57 sysctl -q net.ipv4.neigh.default.gc_thresh3=$v4gc3 2>/dev/null
109 sysctl -q net.ipv4.neigh.default.gc_thresh1=512 2>/dev/null
110 sysctl -q net.ipv4.neigh.default.gc_thresh2=1024 2>/dev/null
111 sysctl -q net.ipv4.neigh.default.gc_thresh3=4096 2>/dev/null
132 echo netns exec "$cl" sysctl -q net.ipv4.tcp_syn_retries=2
[all …]
/Linux-v5.15/tools/testing/selftests/net/forwarding/
Drouter_broadcast.sh146 sysctl_set net.ipv4.conf.all.bc_forwarding 0
147 sysctl_set net.ipv4.conf.$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.$rp1.bc_forwarding
162 sysctl_restore net.ipv4.conf.all.bc_forwarding
183 sysctl_set net.ipv4.icmp_echo_ignore_broadcasts 0
[all …]
Dgre_custom_multipath_hash.sh4 # Test traffic distribution when there are multiple paths between an IPv4 GRE
5 # tunnel. The tunnel carries IPv4 and IPv6 traffic between multiple hosts.
369 log_info "Running IPv4 overlay custom multipath hash tests"
373 sysctl_set net.ipv4.neigh.default.gc_thresh1 1024
374 sysctl_set net.ipv4.neigh.default.gc_thresh2 1024
375 sysctl_set net.ipv4.neigh.default.gc_thresh3 1024
377 sysctl_set net.ipv4.fib_multipath_hash_fields 0x0040
381 sysctl_set net.ipv4.fib_multipath_hash_fields 0x0080
385 sysctl_set net.ipv4.fib_multipath_hash_fields 0x0400
389 sysctl_set net.ipv4.fib_multipath_hash_fields 0x0800
[all …]
Dmirror_gre_nh.sh32 sysctl_set net.ipv4.conf.all.rp_filter 0
33 sysctl_set net.ipv4.conf.$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.$h3.rp_filter
72 sysctl_restore net.ipv4.conf.all.rp_filter
80 # For IPv4, test that there's no mirroring without the route directing
Drouter.sh176 sysctl_set net.ipv4.conf.all.rp_filter 0
177 sysctl_set net.ipv4.conf.$rp1.rp_filter 0
191 sysctl_restore net.ipv4.conf.$rp1.rp_filter
192 sysctl_restore net.ipv4.conf.all.rp_filter
245 __mc_mac_mismatch "IPv4" "ip" 192.0.2.2 225.1.2.3
254 sysctl_set net.ipv4.conf.all.rp_filter 0
255 sysctl_set net.ipv4.conf.$rp1.rp_filter 0
266 log_test "Source IP is equal to destination IP: IPv4"
269 sysctl_restore net.ipv4.conf.$rp1.rp_filter
270 sysctl_restore net.ipv4.conf.all.rp_filter
[all …]
/Linux-v5.15/include/net/sctp/
Dconstants.h338 /* These are the address scopes defined mainly for IPv4 addresses
339 * based on draft of SCTP IPv4 scoping <draft-stewart-tsvwg-sctp-ipv4-00.txt>.
341 * IPv4 and IPv6 addresses in SCTP.
346 SCTP_SCOPE_GLOBAL, /* IPv4 global addresses */
347 SCTP_SCOPE_PRIVATE, /* IPv4 private addresses */
348 SCTP_SCOPE_LINK, /* IPv4 link local address */
349 SCTP_SCOPE_LOOPBACK, /* IPv4 loopback address */
350 SCTP_SCOPE_UNUSABLE, /* IPv4 unusable addresses */
354 SCTP_SCOPE_POLICY_DISABLE, /* Disable IPv4 address scoping */
355 SCTP_SCOPE_POLICY_ENABLE, /* Enable IPv4 address scoping */
[all …]
/Linux-v5.15/Documentation/security/
DSCTP.rst39 Passes one or more ipv4/ipv6 addresses to the security module for validation
47 @address - One or more ipv4 / ipv6 addresses.
49 ipv4 or ipv6 address using sizeof(struct sockaddr_in) or
56 | SCTP_SOCKOPT_BINDX_ADD | One or more ipv4 / ipv6 addresses |
57 | SCTP_PRIMARY_ADDR | Single ipv4 or ipv6 address |
58 | SCTP_SET_PEER_PRIMARY_ADDR | Single ipv4 or ipv6 address |
65 | SCTP_SOCKOPT_CONNECTX | One or more ipv4 / ipv6 addresses |
66 | SCTP_PARAM_ADD_IP | One or more ipv4 / ipv6 addresses |
67 | SCTP_SENDMSG_CONNECT | Single ipv4 or ipv6 address |
68 | SCTP_PARAM_SET_PRIMARY | Single ipv4 or ipv6 address |
[all …]
/Linux-v5.15/Documentation/networking/devlink/
Dprestera.rst36 - Traps IPv4 packets with broadcast DA Mac address
63 - Traps (exception) IPv4 packets whose TTL exceeded
66 - Traps (exception) packets due to the malformed IPV4 header options
75 - Traps (exception) IPV4 ICMP redirect packets
105 - Traps IPv4 BGP packets
132 - Drops packets with illegal IPV4 header.
138 - Drops packets with zero (0) IPV4 source address.

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