Kconfig 2.3 KB

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  1. # SPDX-License-Identifier: GPL-2.0-only
  2. #
  3. # 802.1d Ethernet Bridging
  4. #
  5. config BRIDGE
  6. tristate "802.1d Ethernet Bridging"
  7. select LLC
  8. select STP
  9. depends on IPV6 || IPV6=n
  10. help
  11. If you say Y here, then your Linux box will be able to act as an
  12. Ethernet bridge, which means that the different Ethernet segments it
  13. is connected to will appear as one Ethernet to the participants.
  14. Several such bridges can work together to create even larger
  15. networks of Ethernets using the IEEE 802.1 spanning tree algorithm.
  16. As this is a standard, Linux bridges will cooperate properly with
  17. other third party bridge products.
  18. In order to use the Ethernet bridge, you'll need the bridge
  19. configuration tools; see <file:Documentation/networking/bridge.rst>
  20. for location. Please read the Bridge mini-HOWTO for more
  21. information.
  22. If you enable iptables support along with the bridge support then you
  23. turn your bridge into a bridging IP firewall.
  24. iptables will then see the IP packets being bridged, so you need to
  25. take this into account when setting up your firewall rules.
  26. Enabling arptables support when bridging will let arptables see
  27. bridged ARP traffic in the arptables FORWARD chain.
  28. To compile this code as a module, choose M here: the module
  29. will be called bridge.
  30. If unsure, say N.
  31. config BRIDGE_IGMP_SNOOPING
  32. bool "IGMP/MLD snooping"
  33. depends on BRIDGE
  34. depends on INET
  35. default y
  36. help
  37. If you say Y here, then the Ethernet bridge will be able selectively
  38. forward multicast traffic based on IGMP/MLD traffic received from
  39. each port.
  40. Say N to exclude this support and reduce the binary size.
  41. If unsure, say Y.
  42. config BRIDGE_VLAN_FILTERING
  43. bool "VLAN filtering"
  44. depends on BRIDGE
  45. depends on VLAN_8021Q
  46. default n
  47. help
  48. If you say Y here, then the Ethernet bridge will be able selectively
  49. receive and forward traffic based on VLAN information in the packet
  50. any VLAN information configured on the bridge port or bridge device.
  51. Say N to exclude this support and reduce the binary size.
  52. If unsure, say Y.
  53. config BRIDGE_MRP
  54. bool "MRP protocol"
  55. depends on BRIDGE
  56. default n
  57. help
  58. If you say Y here, then the Ethernet bridge will be able to run MRP
  59. protocol to detect loops
  60. Say N to exclude this support and reduce the binary size.
  61. If unsure, say N.