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1# SPDX-License-Identifier: GPL-2.0-only
2#
3# Bridge netfilter configuration
4#
5#
6menuconfig NF_TABLES_BRIDGE
7 depends on BRIDGE && NETFILTER && NF_TABLES
8 select NETFILTER_FAMILY_BRIDGE
9 tristate "Ethernet Bridge nf_tables support"
10
11if NF_TABLES_BRIDGE
12
13config NFT_BRIDGE_META
14 tristate "Netfilter nf_table bridge meta support"
15 help
16 Add support for bridge dedicated meta key.
17
18config NFT_BRIDGE_REJECT
19 tristate "Netfilter nf_tables bridge reject support"
20 depends on NFT_REJECT
21 depends on NF_REJECT_IPV4
22 depends on NF_REJECT_IPV6
23 help
24 Add support to reject packets.
25
26endif # NF_TABLES_BRIDGE
27
28config NF_CONNTRACK_BRIDGE
29 tristate "IPv4/IPV6 bridge connection tracking support"
30 depends on NF_CONNTRACK
31 default n
32 help
33 Connection tracking keeps a record of what packets have passed
34 through your machine, in order to figure out how they are related
35 into connections. This is used to enhance packet filtering via
36 stateful policies. Enable this if you want native tracking from
37 the bridge. This provides a replacement for the `br_netfilter'
38 infrastructure.
39
40 To compile it as a module, choose M here. If unsure, say N.
41
42menuconfig BRIDGE_NF_EBTABLES
43 tristate "Ethernet Bridge tables (ebtables) support"
44 depends on BRIDGE && NETFILTER && NETFILTER_XTABLES
45 select NETFILTER_FAMILY_BRIDGE
46 help
47 ebtables is a general, extensible frame/packet identification
48 framework. Say 'Y' or 'M' here if you want to do Ethernet
49 filtering/NAT/brouting on the Ethernet bridge.
50
51if BRIDGE_NF_EBTABLES
52
53#
54# tables
55#
56config BRIDGE_EBT_BROUTE
57 tristate "ebt: broute table support"
58 help
59 The ebtables broute table is used to define rules that decide between
60 bridging and routing frames, giving Linux the functionality of a
61 brouter. See the man page for ebtables(8) and examples on the ebtables
62 website.
63
64 To compile it as a module, choose M here. If unsure, say N.
65
66config BRIDGE_EBT_T_FILTER
67 tristate "ebt: filter table support"
68 help
69 The ebtables filter table is used to define frame filtering rules at
70 local input, forwarding and local output. See the man page for
71 ebtables(8).
72
73 To compile it as a module, choose M here. If unsure, say N.
74
75config BRIDGE_EBT_T_NAT
76 tristate "ebt: nat table support"
77 help
78 The ebtables nat table is used to define rules that alter the MAC
79 source address (MAC SNAT) or the MAC destination address (MAC DNAT).
80 See the man page for ebtables(8).
81
82 To compile it as a module, choose M here. If unsure, say N.
83#
84# matches
85#
86config BRIDGE_EBT_802_3
87 tristate "ebt: 802.3 filter support"
88 help
89 This option adds matching support for 802.3 Ethernet frames.
90
91 To compile it as a module, choose M here. If unsure, say N.
92
93config BRIDGE_EBT_AMONG
94 tristate "ebt: among filter support"
95 help
96 This option adds the among match, which allows matching the MAC source
97 and/or destination address on a list of addresses. Optionally,
98 MAC/IP address pairs can be matched, f.e. for anti-spoofing rules.
99
100 To compile it as a module, choose M here. If unsure, say N.
101
102config BRIDGE_EBT_ARP
103 tristate "ebt: ARP filter support"
104 help
105 This option adds the ARP match, which allows ARP and RARP header field
106 filtering.
107
108 To compile it as a module, choose M here. If unsure, say N.
109
110config BRIDGE_EBT_IP
111 tristate "ebt: IP filter support"
112 help
113 This option adds the IP match, which allows basic IP header field
114 filtering.
115
116 To compile it as a module, choose M here. If unsure, say N.
117
118config BRIDGE_EBT_IP6
119 tristate "ebt: IP6 filter support"
120 depends on BRIDGE_NF_EBTABLES && IPV6
121 help
122 This option adds the IP6 match, which allows basic IPV6 header field
123 filtering.
124
125 To compile it as a module, choose M here. If unsure, say N.
126
127config BRIDGE_EBT_LIMIT
128 tristate "ebt: limit match support"
129 help
130 This option adds the limit match, which allows you to control
131 the rate at which a rule can be matched. This match is the
132 equivalent of the iptables limit match.
133
134 If you want to compile it as a module, say M here and read
135 <file:Documentation/kbuild/modules.rst>. If unsure, say `N'.
136
137config BRIDGE_EBT_MARK
138 tristate "ebt: mark filter support"
139 help
140 This option adds the mark match, which allows matching frames based on
141 the 'nfmark' value in the frame. This can be set by the mark target.
142 This value is the same as the one used in the iptables mark match and
143 target.
144
145 To compile it as a module, choose M here. If unsure, say N.
146
147config BRIDGE_EBT_PKTTYPE
148 tristate "ebt: packet type filter support"
149 help
150 This option adds the packet type match, which allows matching on the
151 type of packet based on its Ethernet "class" (as determined by
152 the generic networking code): broadcast, multicast,
153 for this host alone or for another host.
154
155 To compile it as a module, choose M here. If unsure, say N.
156
157config BRIDGE_EBT_STP
158 tristate "ebt: STP filter support"
159 help
160 This option adds the Spanning Tree Protocol match, which
161 allows STP header field filtering.
162
163 To compile it as a module, choose M here. If unsure, say N.
164
165config BRIDGE_EBT_VLAN
166 tristate "ebt: 802.1Q VLAN filter support"
167 help
168 This option adds the 802.1Q vlan match, which allows the filtering of
169 802.1Q vlan fields.
170
171 To compile it as a module, choose M here. If unsure, say N.
172#
173# targets
174#
175config BRIDGE_EBT_ARPREPLY
176 tristate "ebt: arp reply target support"
177 depends on BRIDGE_NF_EBTABLES && INET
178 help
179 This option adds the arp reply target, which allows
180 automatically sending arp replies to arp requests.
181
182 To compile it as a module, choose M here. If unsure, say N.
183
184config BRIDGE_EBT_DNAT
185 tristate "ebt: dnat target support"
186 help
187 This option adds the MAC DNAT target, which allows altering the MAC
188 destination address of frames.
189
190 To compile it as a module, choose M here. If unsure, say N.
191
192config BRIDGE_EBT_MARK_T
193 tristate "ebt: mark target support"
194 help
195 This option adds the mark target, which allows marking frames by
196 setting the 'nfmark' value in the frame.
197 This value is the same as the one used in the iptables mark match and
198 target.
199
200 To compile it as a module, choose M here. If unsure, say N.
201
202config BRIDGE_EBT_REDIRECT
203 tristate "ebt: redirect target support"
204 help
205 This option adds the MAC redirect target, which allows altering the MAC
206 destination address of a frame to that of the device it arrived on.
207
208 To compile it as a module, choose M here. If unsure, say N.
209
210config BRIDGE_EBT_SNAT
211 tristate "ebt: snat target support"
212 help
213 This option adds the MAC SNAT target, which allows altering the MAC
214 source address of frames.
215
216 To compile it as a module, choose M here. If unsure, say N.
217#
218# watchers
219#
220config BRIDGE_EBT_LOG
221 tristate "ebt: log support"
222 help
223 This option adds the log watcher, that you can use in any rule
224 in any ebtables table. It records info about the frame header
225 to the syslog.
226
227 To compile it as a module, choose M here. If unsure, say N.
228
229config BRIDGE_EBT_NFLOG
230 tristate "ebt: nflog support"
231 help
232 This option enables the nflog watcher, which allows to LOG
233 messages through the netfilter logging API, which can use
234 either the old LOG target, the old ULOG target or nfnetlink_log
235 as backend.
236
237 This option adds the nflog watcher, that you can use in any rule
238 in any ebtables table.
239
240 To compile it as a module, choose M here. If unsure, say N.
241
242endif # BRIDGE_NF_EBTABLES
1# SPDX-License-Identifier: GPL-2.0-only
2#
3# Bridge netfilter configuration
4#
5#
6menuconfig NF_TABLES_BRIDGE
7 depends on BRIDGE && NETFILTER && NF_TABLES
8 select NETFILTER_FAMILY_BRIDGE
9 tristate "Ethernet Bridge nf_tables support"
10
11if NF_TABLES_BRIDGE
12
13config NFT_BRIDGE_META
14 tristate "Netfilter nf_table bridge meta support"
15 help
16 Add support for bridge dedicated meta key.
17
18config NFT_BRIDGE_REJECT
19 tristate "Netfilter nf_tables bridge reject support"
20 depends on NFT_REJECT
21 depends on NF_REJECT_IPV4
22 depends on NF_REJECT_IPV6
23 help
24 Add support to reject packets.
25
26endif # NF_TABLES_BRIDGE
27
28config NF_CONNTRACK_BRIDGE
29 tristate "IPv4/IPV6 bridge connection tracking support"
30 depends on NF_CONNTRACK
31 default n
32 help
33 Connection tracking keeps a record of what packets have passed
34 through your machine, in order to figure out how they are related
35 into connections. This is used to enhance packet filtering via
36 stateful policies. Enable this if you want native tracking from
37 the bridge. This provides a replacement for the `br_netfilter'
38 infrastructure.
39
40 To compile it as a module, choose M here. If unsure, say N.
41
42menuconfig BRIDGE_NF_EBTABLES
43 tristate "Ethernet Bridge tables (ebtables) support"
44 depends on BRIDGE && NETFILTER && NETFILTER_XTABLES
45 select NETFILTER_FAMILY_BRIDGE
46 help
47 ebtables is a general, extensible frame/packet identification
48 framework. Say 'Y' or 'M' here if you want to do Ethernet
49 filtering/NAT/brouting on the Ethernet bridge.
50
51if BRIDGE_NF_EBTABLES
52
53#
54# tables
55#
56config BRIDGE_EBT_BROUTE
57 tristate "ebt: broute table support"
58 help
59 The ebtables broute table is used to define rules that decide between
60 bridging and routing frames, giving Linux the functionality of a
61 brouter. See the man page for ebtables(8) and examples on the ebtables
62 website.
63
64 To compile it as a module, choose M here. If unsure, say N.
65
66config BRIDGE_EBT_T_FILTER
67 tristate "ebt: filter table support"
68 help
69 The ebtables filter table is used to define frame filtering rules at
70 local input, forwarding and local output. See the man page for
71 ebtables(8).
72
73 To compile it as a module, choose M here. If unsure, say N.
74
75config BRIDGE_EBT_T_NAT
76 tristate "ebt: nat table support"
77 help
78 The ebtables nat table is used to define rules that alter the MAC
79 source address (MAC SNAT) or the MAC destination address (MAC DNAT).
80 See the man page for ebtables(8).
81
82 To compile it as a module, choose M here. If unsure, say N.
83#
84# matches
85#
86config BRIDGE_EBT_802_3
87 tristate "ebt: 802.3 filter support"
88 help
89 This option adds matching support for 802.3 Ethernet frames.
90
91 To compile it as a module, choose M here. If unsure, say N.
92
93config BRIDGE_EBT_AMONG
94 tristate "ebt: among filter support"
95 help
96 This option adds the among match, which allows matching the MAC source
97 and/or destination address on a list of addresses. Optionally,
98 MAC/IP address pairs can be matched, f.e. for anti-spoofing rules.
99
100 To compile it as a module, choose M here. If unsure, say N.
101
102config BRIDGE_EBT_ARP
103 tristate "ebt: ARP filter support"
104 help
105 This option adds the ARP match, which allows ARP and RARP header field
106 filtering.
107
108 To compile it as a module, choose M here. If unsure, say N.
109
110config BRIDGE_EBT_IP
111 tristate "ebt: IP filter support"
112 help
113 This option adds the IP match, which allows basic IP header field
114 filtering.
115
116 To compile it as a module, choose M here. If unsure, say N.
117
118config BRIDGE_EBT_IP6
119 tristate "ebt: IP6 filter support"
120 depends on BRIDGE_NF_EBTABLES && IPV6
121 help
122 This option adds the IP6 match, which allows basic IPV6 header field
123 filtering.
124
125 To compile it as a module, choose M here. If unsure, say N.
126
127config BRIDGE_EBT_LIMIT
128 tristate "ebt: limit match support"
129 help
130 This option adds the limit match, which allows you to control
131 the rate at which a rule can be matched. This match is the
132 equivalent of the iptables limit match.
133
134 If you want to compile it as a module, say M here and read
135 <file:Documentation/kbuild/modules.rst>. If unsure, say `N'.
136
137config BRIDGE_EBT_MARK
138 tristate "ebt: mark filter support"
139 help
140 This option adds the mark match, which allows matching frames based on
141 the 'nfmark' value in the frame. This can be set by the mark target.
142 This value is the same as the one used in the iptables mark match and
143 target.
144
145 To compile it as a module, choose M here. If unsure, say N.
146
147config BRIDGE_EBT_PKTTYPE
148 tristate "ebt: packet type filter support"
149 help
150 This option adds the packet type match, which allows matching on the
151 type of packet based on its Ethernet "class" (as determined by
152 the generic networking code): broadcast, multicast,
153 for this host alone or for another host.
154
155 To compile it as a module, choose M here. If unsure, say N.
156
157config BRIDGE_EBT_STP
158 tristate "ebt: STP filter support"
159 help
160 This option adds the Spanning Tree Protocol match, which
161 allows STP header field filtering.
162
163 To compile it as a module, choose M here. If unsure, say N.
164
165config BRIDGE_EBT_VLAN
166 tristate "ebt: 802.1Q VLAN filter support"
167 help
168 This option adds the 802.1Q vlan match, which allows the filtering of
169 802.1Q vlan fields.
170
171 To compile it as a module, choose M here. If unsure, say N.
172#
173# targets
174#
175config BRIDGE_EBT_ARPREPLY
176 tristate "ebt: arp reply target support"
177 depends on BRIDGE_NF_EBTABLES && INET
178 help
179 This option adds the arp reply target, which allows
180 automatically sending arp replies to arp requests.
181
182 To compile it as a module, choose M here. If unsure, say N.
183
184config BRIDGE_EBT_DNAT
185 tristate "ebt: dnat target support"
186 help
187 This option adds the MAC DNAT target, which allows altering the MAC
188 destination address of frames.
189
190 To compile it as a module, choose M here. If unsure, say N.
191
192config BRIDGE_EBT_MARK_T
193 tristate "ebt: mark target support"
194 help
195 This option adds the mark target, which allows marking frames by
196 setting the 'nfmark' value in the frame.
197 This value is the same as the one used in the iptables mark match and
198 target.
199
200 To compile it as a module, choose M here. If unsure, say N.
201
202config BRIDGE_EBT_REDIRECT
203 tristate "ebt: redirect target support"
204 help
205 This option adds the MAC redirect target, which allows altering the MAC
206 destination address of a frame to that of the device it arrived on.
207
208 To compile it as a module, choose M here. If unsure, say N.
209
210config BRIDGE_EBT_SNAT
211 tristate "ebt: snat target support"
212 help
213 This option adds the MAC SNAT target, which allows altering the MAC
214 source address of frames.
215
216 To compile it as a module, choose M here. If unsure, say N.
217#
218# watchers
219#
220config BRIDGE_EBT_LOG
221 tristate "ebt: log support"
222 help
223 This option adds the log watcher, that you can use in any rule
224 in any ebtables table. It records info about the frame header
225 to the syslog.
226
227 To compile it as a module, choose M here. If unsure, say N.
228
229config BRIDGE_EBT_NFLOG
230 tristate "ebt: nflog support"
231 help
232 This option enables the nflog watcher, which allows to LOG
233 messages through the netfilter logging API, which can use
234 either the old LOG target, the old ULOG target or nfnetlink_log
235 as backend.
236
237 This option adds the nflog watcher, that you can use in any rule
238 in any ebtables table.
239
240 To compile it as a module, choose M here. If unsure, say N.
241
242endif # BRIDGE_NF_EBTABLES