opnsense-src/sys
Zhenlei Huang fd855fa228 ipfw: Teach ipfw that EtherIP is an upper layer protocol
so that we do not discard EtherIP packets ( over IPv6 network ) when
net.inet6.ip6.fw.deny_unknown_exthdrs is set to 1 ( which is the default
value ).

PR:		227450
Reviewed by:	ae, #network
MFC after:	1 week
Differential Revision:	https://reviews.freebsd.org/D52566

(cherry picked from commit 0418e6690e91aa6c38dd9af9da43c4c5a9dc1cd2)
(cherry picked from commit b1c96e54b906d0cdea0b5a9c74cc295803dfe50e)
2025-10-06 17:03:08 +02:00
..
amd64 Add a new sysctl in order to diffrentiate UEFI architectures 2025-08-08 11:49:17 +02:00
arm IfAPI: Retire if_etherbpfmtap() and if_bpfmtap() 2025-09-08 10:26:04 +02:00
arm64 arm64: prevent panic when using syscall mux + large arg call (mmap) 2025-10-06 16:53:33 +02:00
bsm New setcred() system call and associated MAC hooks 2025-04-03 21:31:03 +02:00
cam Internal scheduling priorities: Always use symbolic ones 2025-07-31 12:42:21 +02:00
cddl dtrace/arm64: Fix dtrace_gethrtime() 2025-04-02 15:14:37 +00:00
compat linuxkpi: Fix a typo in a source code comment 2025-09-08 10:24:33 +02:00
conf Add UPDATING entries and bump version. 2025-10-06 16:54:54 +02:00
contrib iwlwifi: compile in ACPI support 2025-07-16 08:34:34 +02:00
crypto openssl: update ASM and version info for 3.0.16 import 2025-03-25 14:07:59 -07:00
ddb ddb: Add sysctl flag CTLFLAG_TUN to loader tunable 2023-10-12 12:08:18 +08:00
dev bnxt: Fix the request length in bnxt_hwrm_func_backing_store_cfg() 2025-10-06 17:01:22 +02:00
dts add allwinner overlays for enabling additional USB ports 2024-02-17 16:15:10 +02:00
fs p9fs: Set vnode state in p9fs_vget_common() 2025-08-13 08:52:41 +02:00
gdb sys: Remove $FreeBSD$: one-line .c pattern 2023-08-16 11:54:36 -06:00
geom sysctl(9): Ease exporting struct sizes; Discourage doing that 2025-05-13 14:41:33 +02:00
gnu sys: Remove $FreeBSD$: one-line .c pattern 2023-08-16 11:54:36 -06:00
i386 i386: Avoid registering overlapping vm_phys_seg entries 2025-04-15 02:25:24 +00:00
isa isa: Use a bus_child_deleted method to free ivars for children 2024-11-30 21:46:06 -05:00
kern vfs_syscalls.c: Fix handling of offset args for copy_file_range 2025-10-06 16:53:35 +02:00
kgssapi nfscl/kgssapi: Fix Kerberized NFS mounts to pNFS servers 2023-12-23 17:03:58 -08:00
libkern libkern: strdup.c, strndup.c: Prefer memcpy() over bcopy() 2025-03-03 22:56:34 +08:00
modules iwlwifi: compile in ACPI support 2025-07-16 08:34:34 +02:00
net ifnet: Defer detaching address family dependent data 2025-10-06 17:00:46 +02:00
net80211 net80211: in ieee80211_sta_join() only do_ht if HT is avail 2025-07-16 08:28:22 +02:00
netgraph Internal scheduling priorities: Always use symbolic ones 2025-07-31 12:42:21 +02:00
netinet ifnet: Defer detaching address family dependent data 2025-10-06 17:00:46 +02:00
netinet6 ifnet: Defer detaching address family dependent data 2025-10-06 17:00:46 +02:00
netipsec Add UDP encapsulation of ESP in IPv6 2025-07-09 10:05:48 +02:00
netlink netlink: Fully clear parser state between messages 2025-08-08 12:05:11 +02:00
netpfil ipfw: Teach ipfw that EtherIP is an upper layer protocol 2025-10-06 17:03:08 +02:00
netsmb netsmb: Stop checking for failures from malloc(M_WAITOK) 2024-09-30 12:44:16 +08:00
nfs sys: Remove $FreeBSD$: one-line .c pattern 2023-08-16 11:54:36 -06:00
nfsclient sys: Remove $FreeBSD$: one-line .h pattern 2023-08-16 11:54:18 -06:00
nfsserver sys: Remove $FreeBSD$: one-line .h pattern 2023-08-16 11:54:18 -06:00
nlm sys: Remove $FreeBSD$: one-line .c pattern 2023-08-16 11:54:36 -06:00
ofed ibcore: Mark write-only variables 2024-07-15 12:28:53 +00:00
opencrypto ktls: Remove the socket parameter to ktls_ocf_try() 2024-07-23 09:01:30 -04:00
powerpc powerpc: Always use BE tag in nexus_map_resource 2025-05-15 09:06:51 -04:00
riscv riscv: Fix handling of interrupts during kernel page faults 2025-04-29 00:44:01 +00:00
rpc nfs, rpc: Ensure kernel credentials have at least one group 2024-11-15 11:47:43 +01:00
security MAC/do: Fix a too stringent debug assertion for a target of 'uid=*' 2025-05-27 23:01:54 +02:00
sys jail: Make prison_owns_vnet() operate on a prison instead of a ucred 2025-09-08 12:00:14 +02:00
teken teken: fix style in teken_wcwidth.h 2023-10-21 17:28:35 +03:00
tests tests: Stop checking for failures from malloc(M_WAITOK) 2024-09-30 12:44:18 +08:00
tools vnode: Make the vop_vector reference a pointer to const 2024-12-03 01:02:10 +00:00
ufs Internal scheduling priorities: Always use symbolic ones 2025-07-31 12:42:21 +02:00
vm vm_pageout: Disallow invalid values for act_scan_laundry_weight 2025-05-03 20:22:08 +00:00
x86 Add a new sysctl in order to diffrentiate UEFI architectures 2025-08-08 11:49:17 +02:00
xdr rpc: Fix the definition of xdr_void() 2024-11-05 01:05:26 +00:00
xen sys: Remove $FreeBSD$: one-line sh pattern 2023-08-16 11:54:58 -06:00
Makefile sys: Remove $FreeBSD$: one-line sh pattern 2023-08-16 11:54:58 -06:00
README.md sys/README.md: Add a section for documentation 2023-08-03 11:07:41 -03:00

FreeBSD Kernel Source:

This directory contains the source files and build glue that make up the FreeBSD kernel and its modules, including both original and contributed software.

Kernel configuration files are located in the conf/ subdirectory of each architecture. GENERIC is the configuration used in release builds. NOTES contains documentation of all possible entries. LINT is a compile-only configuration used to maximize build coverage and detect regressions.

Documentation:

Source code documentation is maintained in a set of man pages, under section 9. These pages are located in share/man/man9, from the top-level of the src tree. Consult intro(9) for an overview of existing pages.

Some additional high-level documentation of the kernel is maintained in the Architecture Handbook.

Source Roadmap:

Directory Description
amd64 AMD64 (64-bit x86) architecture support
arm 32-bit ARM architecture support
arm64 64-bit ARM (AArch64) architecture support
cam Common Access Method storage subsystem - cam(4) and ctl(4)
cddl CDDL-licensed optional sources such as DTrace
conf kernel build glue
compat Linux compatibility layer, FreeBSD 32-bit compatibility
contrib 3rd-party imported software such as OpenZFS
crypto crypto drivers
ddb interactive kernel debugger - ddb(4)
fs most filesystems, excluding UFS, NFS, and ZFS
dev device drivers and other arch independent code
gdb kernel remote GDB stub - gdb(4)
geom GEOM framework - geom(4)
i386 i386 (32-bit x86) architecture support
kern main part of the kernel
libkern libc-like and other support functions for kernel use
modules kernel module infrastructure
net core networking code
net80211 wireless networking (IEEE 802.11) - net80211(4)
netgraph graph-based networking subsystem - netgraph(4)
netinet IPv4 protocol implementation - inet(4)
netinet6 IPv6 protocol implementation - inet6(4)
netipsec IPsec protocol implementation - ipsec(4)
netpfil packet filters - ipfw(4), pf(4), and ipfilter(4)
opencrypto OpenCrypto framework - crypto(7)
powerpc PowerPC/POWER (32 and 64-bit) architecture support
riscv 64-bit RISC-V architecture support
security security facilities - audit(4) and mac(4)
sys kernel headers
tests kernel unit tests
ufs Unix File System - ffs(7)
vm virtual memory system
x86 code shared by AMD64 and i386 architectures