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This commit brings in a fragmentary, experimental implementation of NETLINK sockets. There is not too much to that socket support on this initial commit, just the netlink socketer framework. However, I decided to bring it into master because there is a enough that I would not want to lose what is in place. And since it is dependent on CONFIG_EXPERIMENATL, its presence on master should be innocuous. Squashed commit of the following: net/netlink: Mark netlink support as EXPERIMENTAL. net/netlink/netlink_sockif.c: Add netlink_getpeername to the socket interface. net: Add getpeeername() support for netlink sockets. include/netpacket/netlink.h: Add a few more definitions and structures used at the NetLink interface. Still missing many. net/netlink: Add basic framework for Netlink socket support. include/: Add basic Netlink definitions.
2018-08-03 21:22:36 +02:00
#
# For a description of the syntax of this configuration file,
# see the file kconfig-language.txt in the NuttX tools repository.
#
net/netlink/Kconfig: Remove dependency on EXPERIMENTAL. Although the Netlink implementation is still only fragmentary, there is no usable functionality there and no reason for it to depend on EXPERIMENTAL. Also minor changes to the menu organization so that the Netlink options appear the same was as do other network options.
2019-11-07 21:10:35 +01:00
menu "Netlink Socket Support"
This commit brings in a fragmentary, experimental implementation of NETLINK sockets. There is not too much to that socket support on this initial commit, just the netlink socketer framework. However, I decided to bring it into master because there is a enough that I would not want to lose what is in place. And since it is dependent on CONFIG_EXPERIMENATL, its presence on master should be innocuous. Squashed commit of the following: net/netlink: Mark netlink support as EXPERIMENTAL. net/netlink/netlink_sockif.c: Add netlink_getpeername to the socket interface. net: Add getpeeername() support for netlink sockets. include/netpacket/netlink.h: Add a few more definitions and structures used at the NetLink interface. Still missing many. net/netlink: Add basic framework for Netlink socket support. include/: Add basic Netlink definitions.
2018-08-03 21:22:36 +02:00
config NET_NETLINK
bool "Netlink socket support"
default n
net/netlink: Redesign the logic that handles notifications of when response data is available. Signal handlers are sub-optimal inside the OS (especially after the preceding change which forces the hand). Instead, use the work queue notifiers as is done with all other network notifiers.
2019-11-28 21:20:40 +01:00
depends on SCHED_WORKQUEUE
select WQUEUE_NOTIFIER
This commit brings in a fragmentary, experimental implementation of NETLINK sockets. There is not too much to that socket support on this initial commit, just the netlink socketer framework. However, I decided to bring it into master because there is a enough that I would not want to lose what is in place. And since it is dependent on CONFIG_EXPERIMENATL, its presence on master should be innocuous. Squashed commit of the following: net/netlink: Mark netlink support as EXPERIMENTAL. net/netlink/netlink_sockif.c: Add netlink_getpeername to the socket interface. net: Add getpeeername() support for netlink sockets. include/netpacket/netlink.h: Add a few more definitions and structures used at the NetLink interface. Still missing many. net/netlink: Add basic framework for Netlink socket support. include/: Add basic Netlink definitions.
2018-08-03 21:22:36 +02:00
---help---
net/netlink/Kconfig: Remove dependency on EXPERIMENTAL. Although the Netlink implementation is still only fragmentary, there is no usable functionality there and no reason for it to depend on EXPERIMENTAL. Also minor changes to the menu organization so that the Netlink options appear the same was as do other network options.
2019-11-07 21:10:35 +01:00
Enable support for Netlink-like IPC sockets that will permit user-
This commit brings in a fragmentary, experimental implementation of NETLINK sockets. There is not too much to that socket support on this initial commit, just the netlink socketer framework. However, I decided to bring it into master because there is a enough that I would not want to lose what is in place. And since it is dependent on CONFIG_EXPERIMENATL, its presence on master should be innocuous. Squashed commit of the following: net/netlink: Mark netlink support as EXPERIMENTAL. net/netlink/netlink_sockif.c: Add netlink_getpeername to the socket interface. net: Add getpeeername() support for netlink sockets. include/netpacket/netlink.h: Add a few more definitions and structures used at the NetLink interface. Still missing many. net/netlink: Add basic framework for Netlink socket support. include/: Add basic Netlink definitions.
2018-08-03 21:22:36 +02:00
space applications to interact with network services.
net/netlink/Kconfig: Remove dependency on EXPERIMENTAL. Although the Netlink implementation is still only fragmentary, there is no usable functionality there and no reason for it to depend on EXPERIMENTAL. Also minor changes to the menu organization so that the Netlink options appear the same was as do other network options.
2019-11-07 21:10:35 +01:00
This logic is a WIP. Currently only fragmentary support is
available, not enough to actually do anything of consequence.
Only the following features are implemented at this time:
NETLINK_ROUTE capability to read the ARP table.
This commit brings in a fragmentary, experimental implementation of NETLINK sockets. There is not too much to that socket support on this initial commit, just the netlink socketer framework. However, I decided to bring it into master because there is a enough that I would not want to lose what is in place. And since it is dependent on CONFIG_EXPERIMENATL, its presence on master should be innocuous. Squashed commit of the following: net/netlink: Mark netlink support as EXPERIMENTAL. net/netlink/netlink_sockif.c: Add netlink_getpeername to the socket interface. net: Add getpeeername() support for netlink sockets. include/netpacket/netlink.h: Add a few more definitions and structures used at the NetLink interface. Still missing many. net/netlink: Add basic framework for Netlink socket support. include/: Add basic Netlink definitions.
2018-08-03 21:22:36 +02:00
if NET_NETLINK
Improvements in Netlink connections allocation.
2023-02-13 15:57:17 +01:00
config NETLINK_PREALLOC_CONNS
int "Preallocated Netlink connections"
This commit brings in a fragmentary, experimental implementation of NETLINK sockets. There is not too much to that socket support on this initial commit, just the netlink socketer framework. However, I decided to bring it into master because there is a enough that I would not want to lose what is in place. And since it is dependent on CONFIG_EXPERIMENATL, its presence on master should be innocuous. Squashed commit of the following: net/netlink: Mark netlink support as EXPERIMENTAL. net/netlink/netlink_sockif.c: Add netlink_getpeername to the socket interface. net: Add getpeeername() support for netlink sockets. include/netpacket/netlink.h: Add a few more definitions and structures used at the NetLink interface. Still missing many. net/netlink: Add basic framework for Netlink socket support. include/: Add basic Netlink definitions.
2018-08-03 21:22:36 +02:00
default 4
---help---
Improvements in Netlink connections allocation.
2023-02-13 15:57:17 +01:00
Number of Netlink connections (all tasks).
Remove the tail spaces from all files except Documentation Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
2023-02-25 19:14:11 +01:00
Improvements in Netlink connections allocation.
2023-02-13 15:57:17 +01:00
This number of connections will be pre-allocated during system boot.
If dynamic connections allocation is enabled, more connections may
be allocated at a later time, as the system needs them. Else this
will be the maximum number of connections available to the system
at all times.
Set to 0 to disable (and rely only on dynamic allocations).
config NETLINK_ALLOC_CONNS
int "Dynamic Netlink connections allocation"
default 0
---help---
Dynamic memory allocations for Netlink.
When set to 0 all dynamic allocations are disabled.
When set to 1 a new connection will be allocated every time,
and it will be free'd when no longer needed.
Setting this to 2 or more will allocate the connections in
batches (with batch size equal to this config). When a
connection is no longer needed, it will be returned to the
free connections pool, and it will never be deallocated!
config NETLINK_MAX_CONNS
int "Maximum number of Netlink connections"
default 0
depends on NETLINK_ALLOC_CONNS > 0
---help---
If dynamic connections allocation is selected (NETLINK_ALLOC_CONNS > 0)
this will limit the number of connections that can be allocated.
Remove the tail spaces from all files except Documentation Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
2023-02-25 19:14:11 +01:00
Improvements in Netlink connections allocation.
2023-02-13 15:57:17 +01:00
This is useful in case the system is under very heavy load (or
under attack), ensuring that the heap will not be exhausted.
This commit brings in a fragmentary, experimental implementation of NETLINK sockets. There is not too much to that socket support on this initial commit, just the netlink socketer framework. However, I decided to bring it into master because there is a enough that I would not want to lose what is in place. And since it is dependent on CONFIG_EXPERIMENATL, its presence on master should be innocuous. Squashed commit of the following: net/netlink: Mark netlink support as EXPERIMENTAL. net/netlink/netlink_sockif.c: Add netlink_getpeername to the socket interface. net: Add getpeeername() support for netlink sockets. include/netpacket/netlink.h: Add a few more definitions and structures used at the NetLink interface. Still missing many. net/netlink: Add basic framework for Netlink socket support. include/: Add basic Netlink definitions.
2018-08-03 21:22:36 +02:00
net/netlink/netlink_route.c (mostly): This completes a minimal netlink implementation that will retrieve the ARP table. net/netlink: Add basic hooks (only) to support the NETLINK_ROUTE protocol.
2019-11-03 20:59:42 +01:00
menu "Netlink Protocols"
config NETLINK_ROUTE
bool "Netlink Route protocol"
default n
---help---
Support the NETLINK_ROUTE protocol option.
net/netlink: Add options to disable individual NETLINK_ROUTE commands. This will probably become quite large and will need to be higher tunable for smaller platforms.
2019-11-12 17:19:42 +01:00
if NETLINK_ROUTE
config NETLINK_DISABLE_GETLINK
bool "Disable RTM_GETLINK support"
default n
---help---
RTM_GETLINK is used to enumerate network devices.
config NETLINK_DISABLE_GETNEIGH
bool "Disable RTM_GETNEIGH support"
default n
---help---
RTM_GETNEIGH is used to retrieve Neighbor/ARP tables.
config NETLINK_DISABLE_GETROUTE
bool "Disable RTM_GETROUTE support"
default n
---help---
RTM_GETROUTE is used to retrieve routing tables.
netlink: add RTM_NEWADDR, RTM_DELADDR and RTM_GETADDR We have projects that need to sense ip address changes in time, and set ip address or clear ip address through netlink so the relevant implementation is added. The usage and command structure are consistent with linux Signed-off-by: zhanghongyu <zhanghongyu@xiaomi.com>
2023-01-30 09:50:11 +01:00
config NETLINK_DISABLE_NEWADDR
bool "Disable RTM_NEWADDR support"
default n
---help---
RTM_NEWADDR is used to set netdev address.
config NETLINK_DISABLE_DELADDR
bool "Disable RTM_DELADDR support"
default n
---help---
RTM_DELADDR is used to delete netdev address.
config NETLINK_DISABLE_GETADDR
bool "Disable RTM_GETADDR support"
default n
---help---
RTM_GETADDR is used to get netdev address.
config NETLINK_VALIDATE_POLICY
bool "Enable netlink message policy verification"
default n
---help---
VALIDATE_POLICY is used to make sure the parameters
you pass in are valid.
net/netlink: Add RTM preifx notify support Signed-off-by: meijian <meijian@xiaomi.com>
2024-04-19 10:47:34 +02:00
config NETLINK_DISABLE_NEWPREFIX
bool "Disable RTM_NEWPREFIX support"
default n
---help---
RTM_NEWPREFIX is used to set netdev prefix.
net/netlink: Add options to disable individual NETLINK_ROUTE commands. This will probably become quite large and will need to be higher tunable for smaller platforms.
2019-11-12 17:19:42 +01:00
endif # NETLINK_ROUTE
net/netlink: Add NETLINK_NETFILTER's CONNTRACK support Now we only supports conntrack info from NAT entries, to let our apps in user space know the mapping status in NAT. Signed-off-by: Zhe Weng <wengzhe@xiaomi.com>
2024-03-20 04:22:24 +01:00
config NETLINK_NETFILTER
bool "Netlink Netfilter protocol"
default n
depends on NET_NAT
---help---
Support the NETLINK_NETFILTER protocol option, mainly
for conntrack with NAT.
net/netlink/netlink_route.c (mostly): This completes a minimal netlink implementation that will retrieve the ARP table. net/netlink: Add basic hooks (only) to support the NETLINK_ROUTE protocol.
2019-11-03 20:59:42 +01:00
endmenu # Netlink Protocols
This commit brings in a fragmentary, experimental implementation of NETLINK sockets. There is not too much to that socket support on this initial commit, just the netlink socketer framework. However, I decided to bring it into master because there is a enough that I would not want to lose what is in place. And since it is dependent on CONFIG_EXPERIMENATL, its presence on master should be innocuous. Squashed commit of the following: net/netlink: Mark netlink support as EXPERIMENTAL. net/netlink/netlink_sockif.c: Add netlink_getpeername to the socket interface. net: Add getpeeername() support for netlink sockets. include/netpacket/netlink.h: Add a few more definitions and structures used at the NetLink interface. Still missing many. net/netlink: Add basic framework for Netlink socket support. include/: Add basic Netlink definitions.
2018-08-03 21:22:36 +02:00
endif # NET_NETLINK
net/netlink/Kconfig: Remove dependency on EXPERIMENTAL. Although the Netlink implementation is still only fragmentary, there is no usable functionality there and no reason for it to depend on EXPERIMENTAL. Also minor changes to the menu organization so that the Netlink options appear the same was as do other network options.
2019-11-07 21:10:35 +01:00
endmenu # Netlink Socket Support
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