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Merge remote-tracking branch 'internal/freebsd/current/main' into hardened/current/master

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Conflicts:
	share/mk/bsd.opts.mk (unresolved)
This commit is contained in:
Shawn Webb 2024-07-13 00:16:39 +00:00
commit ca58915bed
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52 changed files with 2011 additions and 357 deletions
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6
Makefile
View File

@ -521,9 +521,6 @@ worlds: .PHONY
# Don't build rarely used, semi-supported architectures unless requested.
#
.if defined(EXTRA_TARGETS)
# armv6's importance has waned enough to make building it the exception rather
# than the rule.
EXTRA_ARCHES_arm= armv6
# powerpcspe excluded from main list until clang fixed
EXTRA_ARCHES_powerpc= powerpcspe
.endif
@ -535,8 +532,7 @@ TARGET_ARCHES_${target}= ${MACHINE_ARCH_LIST_${target}}
.if defined(USE_GCC_TOOLCHAINS)
TOOLCHAINS_amd64= amd64-gcc12
TOOLCHAINS_arm= armv6-gcc12 armv7-gcc12
TOOLCHAIN_armv7= armv7-gcc12
TOOLCHAINS_arm= armv7-gcc12
TOOLCHAINS_arm64= aarch64-gcc12
TOOLCHAINS_i386= i386-gcc12
TOOLCHAINS_powerpc= powerpc-gcc12 powerpc64-gcc12

1
Makefile.inc1
View File

@ -146,7 +146,6 @@ TARGET_TRIPLE_ABI?= unknown
TARGET_TRIPLE?= ${TARGET_ARCH:S/amd64/x86_64/}-${TARGET_TRIPLE_ABI}-freebsd${OS_REVISION}
KNOWN_ARCHES?= aarch64/arm64 \
amd64 \
armv6/arm \
armv7/arm \
i386 \
powerpc \

3
UPDATING
View File

@ -27,6 +27,9 @@ NOTE TO PEOPLE WHO THINK THAT FreeBSD 15.x IS SLOW:
world, or to merely disable the most expensive debugging functionality
at runtime, run "ln -s 'abort:false,junk:false' /etc/malloc.conf".)
20240712:
Support for armv6 has been disconnected and is being removed.
20240617:
ifconfig now treats IPv4 addresses without a width or mask as an error.
Specify the desired mask or width along with the IP address on the

2
lib/libclang_rt/compiler-rt-vars.mk
View File

@ -5,7 +5,7 @@ SANITIZER_SHAREDIR= ${CLANGDIR}/share
# armv[67] is a bit special since we allow a soft-floating version via
# CPUTYPE matching *soft*. This variant may not actually work though.
.if ${MACHINE_ARCH:Marmv[67]*} != "" && \
.if ${MACHINE_CPUARCH} == "arm" && \
(!defined(CPUTYPE) || ${CPUTYPE:M*soft*} == "")
CRTARCH?= armhf
.else

6
lib/libipsec/pfkey.c
View File

@ -1677,7 +1677,8 @@ pfkey_align(struct sadb_msg *msg, caddr_t *mhp)
/* duplicate check */
/* XXX Are there duplication either KEY_AUTH or KEY_ENCRYPT ?*/
if (mhp[ext->sadb_ext_type] != NULL) {
if (mhp[ext->sadb_ext_type] != NULL &&
ext->sadb_ext_type != SADB_X_EXT_IF_HW_OFFL /* XXXKIB */) {
__ipsec_errcode = EIPSEC_INVAL_EXTTYPE;
return -1;
}
@ -1713,6 +1714,9 @@ pfkey_align(struct sadb_msg *msg, caddr_t *mhp)
case SADB_X_EXT_SA_REPLAY:
case SADB_X_EXT_NEW_ADDRESS_SRC:
case SADB_X_EXT_NEW_ADDRESS_DST:
case SADB_X_EXT_LFT_CUR_SW_OFFL:
case SADB_X_EXT_LFT_CUR_HW_OFFL:
case SADB_X_EXT_IF_HW_OFFL:
mhp[ext->sadb_ext_type] = (caddr_t)ext;
break;
default:

50
lib/libipsec/pfkey_dump.c
View File

@ -43,6 +43,7 @@
#include <netinet/in.h>
#include <arpa/inet.h>
#include <stdbool.h>
#include <stdlib.h>
#include <unistd.h>
#include <stdio.h>
@ -201,7 +202,7 @@ pfkey_sadump(struct sadb_msg *m)
caddr_t mhp[SADB_EXT_MAX + 1];
struct sadb_sa *m_sa;
struct sadb_x_sa2 *m_sa2;
struct sadb_lifetime *m_lftc, *m_lfth, *m_lfts;
struct sadb_lifetime *m_lftc, *m_lfth, *m_lfts, *m_lft_sw, *m_lft_hw;
struct sadb_address *m_saddr, *m_daddr, *m_paddr;
struct sadb_key *m_auth, *m_enc;
struct sadb_ident *m_sid, *m_did;
@ -210,6 +211,10 @@ pfkey_sadump(struct sadb_msg *m)
struct sadb_x_nat_t_type *natt_type;
struct sadb_x_nat_t_port *natt_sport, *natt_dport;
struct sadb_address *natt_oai, *natt_oar;
struct sadb_x_if_hw_offl *if_hw_offl;
caddr_t p, ep;
struct sadb_ext *ext;
bool first;
/* check pfkey message. */
if (pfkey_align(m, mhp)) {
@ -240,7 +245,9 @@ pfkey_sadump(struct sadb_msg *m)
natt_dport = (struct sadb_x_nat_t_port *)mhp[SADB_X_EXT_NAT_T_DPORT];
natt_oai = (struct sadb_address *)mhp[SADB_X_EXT_NAT_T_OAI];
natt_oar = (struct sadb_address *)mhp[SADB_X_EXT_NAT_T_OAR];
m_lft_sw = (struct sadb_lifetime *)mhp[SADB_X_EXT_LFT_CUR_SW_OFFL];
m_lft_hw = (struct sadb_lifetime *)mhp[SADB_X_EXT_LFT_CUR_HW_OFFL];
if_hw_offl = (struct sadb_x_if_hw_offl *)mhp[SADB_X_EXT_IF_HW_OFFL];
/* source address */
if (m_saddr == NULL) {
@ -332,6 +339,27 @@ pfkey_sadump(struct sadb_msg *m)
GETMSGSTR(str_state, m_sa->sadb_sa_state);
printf("\n");
/* hw offload interface */
if (if_hw_offl != NULL) {
p = (caddr_t)m;
ep = p + PFKEY_UNUNIT64(m->sadb_msg_len);
p += sizeof(struct sadb_msg);
printf("\thw offl if: ");
for (first = true; p < ep; p += PFKEY_EXTLEN(ext)) {
ext = (struct sadb_ext *)p;
if (ext->sadb_ext_type != SADB_X_EXT_IF_HW_OFFL)
continue;
if_hw_offl = (struct sadb_x_if_hw_offl *)ext;
if (first)
first = false;
else
printf(",");
printf("%s", if_hw_offl->sadb_x_if_hw_offl_if);
}
printf("\n");
}
/* lifetime */
if (m_lftc != NULL) {
time_t tmp_time = time(0);
@ -381,7 +409,23 @@ pfkey_sadump(struct sadb_msg *m)
/* XXX DEBUG */
printf("refcnt=%u\n", m->sadb_msg_reserved);
return;
if (m_lft_sw != NULL) {
printf("\tsw offl use: %s",
str_time(m_lft_sw->sadb_lifetime_usetime));
printf("\tsw offl allocated: %lu",
(unsigned long)m_lft_sw->sadb_lifetime_allocations);
str_lifetime_byte(m_lft_sw, "sw offl");
printf("\n");
}
if (m_lft_hw != NULL) {
printf("\thw offl use: %s",
str_time(m_lft_hw->sadb_lifetime_usetime));
printf("\thw offl allocated: %lu",
(unsigned long)m_lft_hw->sadb_lifetime_allocations);
str_lifetime_byte(m_lft_hw, "hw offl");
printf("\n");
}
}
void

2
sbin/ifconfig/ifconfig.c
View File

@ -2144,6 +2144,8 @@ static struct cmd basic_cmds[] = {
setifcapnv),
DEF_CMD_SARG("-rxtls", "-"IFCAP2_RXTLS4_NAME ",-" IFCAP2_RXTLS6_NAME,
setifcapnv),
DEF_CMD_SARG("ipsec", IFCAP2_IPSEC_OFFLOAD_NAME, setifcapnv),
DEF_CMD_SARG("-ipsec", "-"IFCAP2_IPSEC_OFFLOAD_NAME, setifcapnv),
DEF_CMD("wol", IFCAP_WOL, setifcap),
DEF_CMD("-wol", IFCAP_WOL, clearifcap),
DEF_CMD("wol_ucast", IFCAP_WOL_UCAST, setifcap),

2
sbin/nvmecontrol/power.c
View File

@ -90,7 +90,7 @@ power_list(struct nvme_controller_data *cdata)
int i;
printf("\nPower States Supported: %d\n\n", cdata->npss + 1);
printf(" # Max pwr Enter Lat Exit Lat RT RL WT WL Idle Pwr Act Pwr Workloadd\n");
printf(" # Max pwr Enter Lat Exit Lat RT RL WT WL Idle Pwr Act Pwr Workload\n");
printf("-- -------- --------- --------- -- -- -- -- -------- -------- --\n");
for (i = 0; i <= cdata->npss; i++)
power_list_one(i, &cdata->power_state[i]);

57
sbin/setkey/parse.y
View File

@ -46,6 +46,7 @@
#include <string.h>
#include <unistd.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdint.h>
#include <netdb.h>
@ -68,6 +69,8 @@ u_int p_natt_type;
struct addrinfo *p_natt_oai, *p_natt_oar;
int p_natt_sport, p_natt_dport;
int p_natt_fraglen;
bool esn;
vchar_t p_hwif;
static int p_aiflags = 0, p_aifamily = PF_UNSPEC;
@ -115,6 +118,7 @@ extern void yyerror(const char *);
%token SPDADD SPDDELETE SPDDUMP SPDFLUSH
%token F_POLICY PL_REQUESTS
%token F_AIFLAGS F_NATT F_NATT_MTU
%token F_ESN F_HWIF
%token TAGGED
%type <num> prefix protocol_spec upper_spec
@ -539,12 +543,21 @@ extension
{
p_natt_fraglen = $2;
}
| F_ESN
{
esn = true;
p_ext |= SADB_X_SAFLAGS_ESN;
}
| F_HWIF STRING
{
p_hwif = $2;
}
;
/* definition about command for SPD management */
/* spdadd */
spdadd_command
: SPDADD ipaddropts STRING prefix portstr STRING prefix portstr upper_spec upper_misc_spec policy_spec EOT
: SPDADD ipaddropts STRING prefix portstr STRING prefix portstr upper_spec upper_misc_spec policy_spec spd_hwif EOT
{
int status;
struct addrinfo *src, *dst;
@ -648,6 +661,14 @@ ipaddropts
| ipaddropts ipaddropt
;
spd_hwif
:
| F_HWIF STRING
{
p_hwif = $2;
}
;
ipaddropt
: F_AIFLAGS
{
@ -831,6 +852,7 @@ setkeymsg_spdaddr(unsigned type, unsigned upper, vchar_t *policy,
char buf[BUFSIZ];
int l, l0;
struct sadb_address m_addr;
struct sadb_x_if_hw_offl m_if_hw;
struct addrinfo *s, *d;
int n;
int plen;
@ -849,6 +871,20 @@ setkeymsg_spdaddr(unsigned type, unsigned upper, vchar_t *policy,
memcpy(buf + l, policy->buf, policy->len);
l += policy->len;
if (p_hwif.len != 0) {
l0 = sizeof(struct sadb_x_if_hw_offl);
m_if_hw.sadb_x_if_hw_offl_len = PFKEY_UNIT64(l0);
m_if_hw.sadb_x_if_hw_offl_exttype = SADB_X_EXT_IF_HW_OFFL;
m_if_hw.sadb_x_if_hw_offl_flags = 0;
memset(&m_if_hw.sadb_x_if_hw_offl_if[0], 0,
sizeof(m_if_hw.sadb_x_if_hw_offl_if));
strlcpy(&m_if_hw.sadb_x_if_hw_offl_if[0], p_hwif.buf,
sizeof(m_if_hw.sadb_x_if_hw_offl_if));
memcpy(buf + l, &m_if_hw, l0);
l += l0;
}
l0 = l;
n = 0;
@ -1040,6 +1076,7 @@ setkeymsg_add(unsigned type, unsigned satype, struct addrinfo *srcs,
struct sadb_x_nat_t_type m_natt_type;
struct sadb_x_nat_t_port m_natt_port;
struct sadb_x_nat_t_frag m_natt_frag;
struct sadb_x_if_hw_offl m_if_hw;
int n;
int plen;
struct sockaddr *sa;
@ -1256,6 +1293,20 @@ setkeymsg_add(unsigned type, unsigned satype, struct addrinfo *srcs,
}
}
if (p_hwif.len != 0) {
len = sizeof(struct sadb_x_if_hw_offl);
m_if_hw.sadb_x_if_hw_offl_len = PFKEY_UNIT64(len);
m_if_hw.sadb_x_if_hw_offl_exttype = SADB_X_EXT_IF_HW_OFFL;
m_if_hw.sadb_x_if_hw_offl_flags = 0;
memset(&m_if_hw.sadb_x_if_hw_offl_if[0], 0,
sizeof(m_if_hw.sadb_x_if_hw_offl_if));
strlcpy(&m_if_hw.sadb_x_if_hw_offl_if[0], p_hwif.buf,
sizeof(m_if_hw.sadb_x_if_hw_offl_if));
memcpy(buf + l, &m_if_hw, len);
l += len;
}
if (n == 0)
return -1;
else
@ -1355,6 +1406,10 @@ parse_init(void)
p_natt_oai = p_natt_oar = NULL;
p_natt_sport = p_natt_dport = 0;
p_natt_fraglen = -1;
esn = false;
p_hwif.len = 0;
p_hwif.buf = NULL;
}
void

2
sbin/setkey/setkey.8
View File

@ -341,6 +341,8 @@ symbols are part of the syntax for the ports specification,
not indication of the optional components.
.It Fl natt_mtu Ar fragsize
Configure NAT-T fragment size.
.It Fl esn
Enable Extended Sequence Number extension for this SA.
.El
.\"
.Pp

2
sbin/setkey/token.l
View File

@ -187,6 +187,8 @@ nocyclic-seq { return(NOCYCLICSEQ); }
{hyphen}ls { return(F_LIFETIME_SOFT); }
{hyphen}natt { return(F_NATT); }
{hyphen}natt_mtu { return(F_NATT_MTU); }
{hyphen}esn { return(F_ESN); }
{hyphen}hwif { return(F_HWIF); }
/* ... */
any { return(ANY); }

5
share/mk/bsd.cpu.mk
View File

@ -315,13 +315,10 @@ MACHINE_CPU = riscv
########## arm
.if ${MACHINE_CPUARCH} == "arm"
MACHINE_CPU += arm
. if ${MACHINE_ARCH:Marmv6*} != ""
MACHINE_CPU += armv6
. endif
. if ${MACHINE_ARCH:Marmv7*} != ""
MACHINE_CPU += armv7
. endif
# Normally armv6 and armv7 are hard float ABI from FreeBSD 11 onwards. However
# Normally armv7 is hard float ABI from FreeBSD 11 onwards. However
# when CPUTYPE has 'soft' in it, we use the soft-float ABI to allow building of
# soft-float ABI libraries. In this case, we have to add the -mfloat-abi=softfp
# to force that.

15
share/mk/bsd.opts.mk
View File

@ -87,6 +87,21 @@ __DEFAULT_DEPENDENT_OPTIONS = \
STAGING_PROG/STAGING \
STALE_STAGED/STAGING \
<<<<<<< HEAD
=======
#
# Default to disabling PIE on 32-bit architectures. The small address space
# means that ASLR is of limited effectiveness, and it may cause issues with
# some memory-hungry workloads.
#
.if ${MACHINE_ARCH} == "armv7" \
|| ${MACHINE_ARCH} == "i386" || ${MACHINE_ARCH} == "powerpc" \
|| ${MACHINE_ARCH} == "powerpcspe"
__DEFAULT_NO_OPTIONS+= PIE
.else
__DEFAULT_YES_OPTIONS+=PIE
.endif
>>>>>>> internal/freebsd/current/main
.if ${MACHINE_CPUARCH} != "aarch64"
BROKEN_OPTIONS+= BRANCH_PROTECTION

1
sys/amd64/conf/GENERIC
View File

@ -30,6 +30,7 @@ options VIMAGE # Subsystem virtualization, e.g. VNET
options INET # InterNETworking
options INET6 # IPv6 communications protocols
options IPSEC_SUPPORT # Allow kldload of ipsec and tcpmd5
options IPSEC_OFFLOAD # Inline ipsec offload infra
options ROUTE_MPATH # Multipath routing support
options FIB_ALGO # Modular fib lookups
options TCP_OFFLOAD # TCP offload

109
sys/arm/conf/RPI-B
View File

@ -1,109 +0,0 @@
#
# RPI-B -- Custom configuration for the Raspberry Pi
#
# For more information on this file, please read the config(5) manual page,
# and/or the handbook section on Kernel Configuration Files:
#
# https://docs.freebsd.org/en/books/handbook/kernelconfig/#kernelconfig-config
#
# The handbook is also available locally in /usr/share/doc/handbook
# if you've installed the doc distribution, otherwise always see the
# FreeBSD World Wide Web server (https://www.FreeBSD.org/) for the
# latest information.
#
# An exhaustive list of options and more detailed explanations of the
# device lines is also present in the ../../conf/NOTES and NOTES files.
# If you are in doubt as to the purpose or necessity of a line, check first
# in NOTES.
#
ident RPI-B
include "std.armv6"
include "../broadcom/bcm2835/std.rpi"
include "../broadcom/bcm2835/std.bcm2835"
options SCHED_4BSD # 4BSD scheduler
options PLATFORM
# NFS root from boopt/dhcp
#options BOOTP
#options BOOTP_NFSROOT
#options BOOTP_COMPAT
#options BOOTP_NFSV3
#options BOOTP_WIRED_TO=ue0
#options ROOTDEVNAME=\"ufs:mmcsd0s2\"
# pseudo devices
device clk
device phy
device hwreset
device nvmem
device regulator
device syscon
device bpf
device loop
device ether
device uart
device pty
device snp
device pl011
# Device mode support
device usb_template # Control of the gadget
# Comment following lines for boot console on serial port
device vt
device kbdmux
device hkbd
device ukbd
device sdhci
device mmc
device mmcsd
device gpio
device gpioled
# I2C
device iic
device iicbus
device bcm2835_bsc
device md
# USB support
device usb
device dwcotg # DWC OTG controller
# USB storage support
device scbus
device da
device umass
# USB ethernet support
device smscphy
device mii
device smsc
# SPI
device spibus
device bcm2835_spi
device vchiq
device sound
device fdt_pinctrl
# HID support
device hid # Generic HID support
# Flattened Device Tree
options FDT # Configure using FDT/DTB data
# Note: DTB is normally loaded and modified by RPi boot loader, then
# handed to kernel via U-Boot and ubldr.
#options FDT_DTB_STATIC
#makeoptions FDT_DTS_FILE=rpi.dts
makeoptions MODULES_EXTRA="dtb/rpi rpi_ft5406"

81
sys/arm/conf/std.armv6
View File

@ -1,81 +0,0 @@
# Standard kernel config items for all ARMv6 systems.
#
options HZ=1000
options PREEMPTION # Enable kernel thread preemption
options VIMAGE # Subsystem virtualization, e.g. VNET
options INET # InterNETworking
options INET6 # IPv6 communications protocols
options CC_CUBIC # include CUBIC congestion control
options TCP_HHOOK # hhook(9) framework for TCP
device crypto # core crypto support
options IPSEC_SUPPORT # Allow kldload of ipsec and tcpmd5
options NETLINK # netlink(4) support
options SCTP_SUPPORT # Allow kldload of SCTP
options FFS # Berkeley Fast Filesystem
options SOFTUPDATES # Enable FFS soft updates support
options UFS_ACL # Support for access control lists
options UFS_DIRHASH # Improve performance on big directories
options UFS_GJOURNAL # Enable gjournal-based UFS journaling
options QUOTA # Enable disk quotas for UFS
options NFSCL # Network Filesystem Client
options NFSLOCKD # Network Lock Manager
options NFS_ROOT # NFS usable as /, requires NFSCL
options MSDOSFS # MSDOS Filesystem
options CD9660 # ISO 9660 Filesystem
options PROCFS # Process filesystem (requires PSEUDOFS)
options PSEUDOFS # Pseudo-filesystem framework
options TMPFS # Efficient memory filesystem
options GEOM_PART_GPT # GUID Partition Tables
options GEOM_PART_BSD # BSD partition scheme
options GEOM_PART_MBR # MBR partition scheme
options GEOM_LABEL # Provides labelization
options COMPAT_43 # Compatible with BSD 4.3 [KEEP THIS!]
options SCSI_DELAY=5000 # Delay (in ms) before probing SCSI
options KTRACE # ktrace(1) support
options STACK # stack(9) support
options SYSVSHM # SYSV-style shared memory
options SYSVMSG # SYSV-style message queues
options SYSVSEM # SYSV-style semaphores
options _KPOSIX_PRIORITY_SCHEDULING # POSIX P1003_1B real-time extensions
options PRINTF_BUFR_SIZE=128 # Prevent printf output being interspersed.
options KBD_INSTALL_CDEV # install a CDEV entry in /dev
options HWPMC_HOOKS # Necessary kernel hooks for hwpmc(4)
options CAPABILITY_MODE # Capsicum capability mode
options CAPABILITIES # Capsicum capabilites
options FREEBSD_BOOT_LOADER # Process metadata passed from loader(8)
options VFP # Enable floating point hardware support
options MAC # Support for Mandatory Access Control (MAC)
options COMPAT_FREEBSD10 # Compatible with FreeBSD10
options COMPAT_FREEBSD11 # Compatible with FreeBSD11
options COMPAT_FREEBSD12 # Compatible with FreeBSD12
options COMPAT_FREEBSD13 # Compatible with FreeBSD13
options COMPAT_FREEBSD14 # Compatible with FreeBSD14
# DTrace support
options KDTRACE_HOOKS # Kernel DTrace hooks
options DDB_CTF # all architectures - kernel ELF linker loads CTF data
makeoptions WITH_CTF=1
# Debugging support. Always need this:
makeoptions DEBUG=-g # Build kernel with gdb(1) debug symbols
options KDB # Enable kernel debugger support.
options KDB_TRACE # Print a stack trace for a panic.
options USB_DEBUG # Enable usb debug support code
# For full debugger support use (turn off in stable branch):
include "std.debug"
# Optional extras, never enabled by default:
#options BOOTVERBOSE
#options DEBUG # May result in extreme spewage
#options KTR
#options KTR_COMPILE=KTR_ALL
#options KTR_ENTRIES=16384
#options KTR_MASK=(KTR_SPARE2)
#options KTR_VERBOSE=0
#options USB_REQ_DEBUG
#options USB_VERBOSE

1
sys/arm64/conf/std.arm64
View File

@ -12,6 +12,7 @@ options INET # InterNETworking
options INET6 # IPv6 communications protocols
options CC_CUBIC # include CUBIC congestion control
options IPSEC_SUPPORT # Allow kldload of ipsec and tcpmd5
options IPSEC_OFFLOAD # Inline ipsec offload infra
options ROUTE_MPATH # Multipath routing support
options FIB_ALGO # Modular fib lookups
options TCP_OFFLOAD # TCP offload

2
sys/conf/files
View File

@ -4473,6 +4473,8 @@ netipsec/ipsec.c optional ipsec inet | ipsec inet6
netipsec/ipsec_input.c optional ipsec inet | ipsec inet6
netipsec/ipsec_mbuf.c optional ipsec inet | ipsec inet6
netipsec/ipsec_mod.c optional ipsec inet | ipsec inet6
netipsec/ipsec_offload.c optional ipsec ipsec_offload inet | \
ipsec ipsec_offload inet6
netipsec/ipsec_output.c optional ipsec inet | ipsec inet6
netipsec/ipsec_pcb.c optional ipsec inet | ipsec inet6 | \
ipsec_support inet | ipsec_support inet6

1
sys/conf/options
View File

@ -466,6 +466,7 @@ IPFIREWALL_PMOD opt_ipfw.h
IPSEC opt_ipsec.h
IPSEC_DEBUG opt_ipsec.h
IPSEC_SUPPORT opt_ipsec.h
IPSEC_OFFLOAD opt_ipsec.h
IPSTEALTH
KERN_TLS
KRPC

5
sys/modules/ipsec/Makefile
View File

@ -2,8 +2,9 @@
.PATH: ${SRCTOP}/sys/net ${SRCTOP}/sys/netipsec
KMOD= ipsec
SRCS= if_ipsec.c ipsec.c ipsec_input.c ipsec_mbuf.c ipsec_mod.c \
ipsec_output.c xform_ah.c xform_esp.c xform_ipcomp.c \
SRCS= if_ipsec.c ipsec.c ipsec_input.c ipsec_mbuf.c \
ipsec_mod.c ipsec_offload.c ipsec_output.c \
xform_ah.c xform_esp.c xform_ipcomp.c \
opt_inet.h opt_inet6.h opt_ipsec.h opt_kern_tls.h opt_sctp.h
.if "${MK_INET}" != "no" || "${MK_INET6}" != "no"
SRCS+= udpencap.c

7
sys/net/if.c
View File

@ -2392,6 +2392,7 @@ const struct ifcap_nv_bit_name ifcap_nv_bit_names[] = {
const struct ifcap_nv_bit_name ifcap2_nv_bit_names[] = {
CAP2NV(RXTLS4),
CAP2NV(RXTLS6),
CAP2NV(IPSEC_OFFLOAD),
{0, NULL}
};
#undef CAPNV
@ -5149,6 +5150,12 @@ if_getl2com(if_t ifp)
return (ifp->if_l2com);
}
void
if_setipsec_accel_methods(if_t ifp, const struct if_ipsec_accel_methods *m)
{
ifp->if_ipsec_accel_m = m;
}
#ifdef DDB
static void
if_show_ifnet(struct ifnet *ifp)

4
sys/net/if.h
View File

@ -255,7 +255,8 @@ struct if_data {
#define IFCAP_B_TXTLS_RTLMT 31 /* can do TLS with rate limiting */
#define IFCAP_B_RXTLS4 32 /* can to TLS receive for TCP */
#define IFCAP_B_RXTLS6 33 /* can to TLS receive for TCP6 */
#define __IFCAP_B_SIZE 34
#define IFCAP_B_IPSEC_OFFLOAD 34 /* inline IPSEC offload */
#define __IFCAP_B_SIZE 35
#define IFCAP_B_MAX (__IFCAP_B_MAX - 1)
#define IFCAP_B_SIZE (__IFCAP_B_SIZE)
@ -298,6 +299,7 @@ struct if_data {
/* IFCAP2_* are integers, not bits. */
#define IFCAP2_RXTLS4 (IFCAP_B_RXTLS4 - 32)
#define IFCAP2_RXTLS6 (IFCAP_B_RXTLS6 - 32)
#define IFCAP2_IPSEC_OFFLOAD (IFCAP_B_IPSEC_OFFLOAD - 32)
#define IFCAP2_BIT(x) (1UL << (x))

10
sys/net/if_ipsec.c
View File

@ -415,12 +415,12 @@ ipsec_transmit(struct ifnet *ifp, struct mbuf *m)
switch (af) {
#ifdef INET
case AF_INET:
error = ipsec4_process_packet(m, sp, NULL);
error = ipsec4_process_packet(ifp, m, sp, NULL, ifp->if_mtu);
break;
#endif
#ifdef INET6
case AF_INET6:
error = ipsec6_process_packet(m, sp, NULL);
error = ipsec6_process_packet(ifp, m, sp, NULL, ifp->if_mtu);
break;
#endif
default:
@ -901,8 +901,10 @@ ipsec_newpolicies(struct ipsec_softc *sc, struct secpolicy *sp[IPSEC_SPCOUNT],
}
return (0);
fail:
for (i = 0; i < IPSEC_SPCOUNT; i++)
key_freesp(&sp[i]);
for (i = 0; i < IPSEC_SPCOUNT; i++) {
if (sp[i] != NULL)
key_freesp(&sp[i]);
}
return (ENOMEM);
}

2
sys/net/if_private.h
View File

@ -138,6 +138,8 @@ struct ifnet {
int (*if_requestencap) /* make link header from request */
(struct ifnet *, struct if_encap_req *);
const struct if_ipsec_accel_methods *if_ipsec_accel_m;
/* Statistics. */
counter_u64_t if_counters[IFCOUNTERS];

3
sys/net/if_strings.h
View File

@ -60,9 +60,11 @@
#define IFCAP_TXTLS_RTLMT_NAME "TXTLS_RTLMT"
#define IFCAP_RXTLS4_NAME "RXTLS4"
#define IFCAP_RXTLS6_NAME "RXTLS6"
#define IFCAP_IPSEC_OFFLOAD_NAME "IPSEC"
#define IFCAP2_RXTLS4_NAME IFCAP_RXTLS4_NAME
#define IFCAP2_RXTLS6_NAME IFCAP_RXTLS6_NAME
#define IFCAP2_IPSEC_OFFLOAD_NAME IFCAP_IPSEC_OFFLOAD_NAME
static const char *ifcap_bit_names[] = {
IFCAP_RXCSUM_NAME,
@ -99,6 +101,7 @@ static const char *ifcap_bit_names[] = {
IFCAP_TXTLS_RTLMT_NAME,
IFCAP_RXTLS4_NAME,
IFCAP_RXTLS6_NAME,
IFCAP_IPSEC_OFFLOAD_NAME,
};
#ifdef IFCAP_B_SIZE

33
sys/net/if_var.h
View File

@ -131,6 +131,25 @@ typedef void (*if_qflush_fn_t)(if_t);
typedef int (*if_transmit_fn_t)(if_t, struct mbuf *);
typedef uint64_t (*if_get_counter_t)(if_t, ift_counter);
typedef void (*if_reassign_fn_t)(if_t, struct vnet *, char *);
typedef int (*if_spdadd_fn_t)(if_t, void *sp, void *inp, void **priv);
typedef int (*if_spddel_fn_t)(if_t, void *sp, void *priv);
typedef int (*if_sa_newkey_fn_t)(if_t ifp, void *sav, u_int drv_spi,
void **privp);
typedef int (*if_sa_deinstall_fn_t)(if_t ifp, u_int drv_spi, void *priv);
struct seclifetime;
#define IF_SA_CNT_UPD 0x80000000
enum IF_SA_CNT_WHICH {
IF_SA_CNT_IFP_HW_VAL = 1,
IF_SA_CNT_TOTAL_SW_VAL,
IF_SA_CNT_TOTAL_HW_VAL,
IF_SA_CNT_IFP_HW_UPD = IF_SA_CNT_IFP_HW_VAL | IF_SA_CNT_UPD,
IF_SA_CNT_TOTAL_SW_UPD = IF_SA_CNT_TOTAL_SW_VAL | IF_SA_CNT_UPD,
IF_SA_CNT_TOTAL_HW_UPD = IF_SA_CNT_TOTAL_HW_VAL | IF_SA_CNT_UPD,
};
typedef int (*if_sa_cnt_fn_t)(if_t ifp, void *sa,
uint32_t drv_spi, void *priv, struct seclifetime *lt);
typedef int (*if_ipsec_hwassist_fn_t)(if_t ifp, void *sav,
u_int drv_spi,void *priv);
struct ifnet_hw_tsomax {
u_int tsomaxbytes; /* TSO total burst length limit in bytes */
@ -700,6 +719,20 @@ void if_setdebugnet_methods(if_t, struct debugnet_methods *);
void if_setreassignfn(if_t ifp, if_reassign_fn_t);
void if_setratelimitqueryfn(if_t ifp, if_ratelimit_query_t);
/*
* NB: The interface is not yet stable, drivers implementing IPSEC
* offload need to be prepared to adapt to changes.
*/
struct if_ipsec_accel_methods {
if_spdadd_fn_t if_spdadd;
if_spddel_fn_t if_spddel;
if_sa_newkey_fn_t if_sa_newkey;
if_sa_deinstall_fn_t if_sa_deinstall;
if_sa_cnt_fn_t if_sa_cnt;
if_ipsec_hwassist_fn_t if_hwassist;
};
void if_setipsec_accel_methods(if_t ifp, const struct if_ipsec_accel_methods *);
/* TSO */
void if_hw_tsomax_common(if_t ifp, struct ifnet_hw_tsomax *);
int if_hw_tsomax_update(if_t ifp, struct ifnet_hw_tsomax *);

12
sys/net/pfkeyv2.h
View File

@ -296,6 +296,13 @@ struct sadb_x_sa_replay {
};
_Static_assert(sizeof(struct sadb_x_sa_replay) == 8, "struct size mismatch");
struct sadb_x_if_hw_offl {
u_int16_t sadb_x_if_hw_offl_len;
u_int16_t sadb_x_if_hw_offl_exttype;
u_int32_t sadb_x_if_hw_offl_flags;
u_int8_t sadb_x_if_hw_offl_if[32]; /* IF_NAMESIZE is 16, keep room */
};
#define SADB_EXT_RESERVED 0
#define SADB_EXT_SA 1
#define SADB_EXT_LIFETIME_CURRENT 2
@ -326,7 +333,10 @@ _Static_assert(sizeof(struct sadb_x_sa_replay) == 8, "struct size mismatch");
#define SADB_X_EXT_SA_REPLAY 26 /* Replay window override. */
#define SADB_X_EXT_NEW_ADDRESS_SRC 27
#define SADB_X_EXT_NEW_ADDRESS_DST 28
#define SADB_EXT_MAX 28
#define SADB_X_EXT_LFT_CUR_SW_OFFL 29
#define SADB_X_EXT_LFT_CUR_HW_OFFL 30
#define SADB_X_EXT_IF_HW_OFFL 31
#define SADB_EXT_MAX 31
#define SADB_SATYPE_UNSPEC 0
#define SADB_SATYPE_AH 2

2
sys/netinet/ip_output.c
View File

@ -673,7 +673,7 @@ sendit:
error = ENOBUFS;
goto bad;
}
if ((error = IPSEC_OUTPUT(ipv4, m, inp)) != 0) {
if ((error = IPSEC_OUTPUT(ipv4, ifp, m, inp, mtu)) != 0) {
if (error == EINPROGRESS)
error = 0;
goto done;

2
sys/netinet/tcp_input.c
View File

@ -3984,6 +3984,8 @@ tcp_mss(struct tcpcb *tp, int offer)
tp->t_tsomax = cap.tsomax;
tp->t_tsomaxsegcount = cap.tsomaxsegcount;
tp->t_tsomaxsegsize = cap.tsomaxsegsize;
if (cap.ipsec_tso)
tp->t_flags2 |= TF2_IPSEC_TSO;
}
}

20
sys/netinet/tcp_output.c
View File

@ -201,9 +201,7 @@ tcp_default_output(struct tcpcb *tp)
struct tcphdr *th;
u_char opt[TCP_MAXOLEN];
unsigned ipoptlen, optlen, hdrlen, ulen;
#if defined(IPSEC) || defined(IPSEC_SUPPORT)
unsigned ipsec_optlen = 0;
#endif
int idle, sendalot, curticks;
int sack_rxmit, sack_bytes_rxmt;
struct sackhole *p;
@ -553,15 +551,15 @@ after_sack_rexmit:
offsetof(struct ipoption, ipopt_list);
else
ipoptlen = 0;
#if defined(IPSEC) || defined(IPSEC_SUPPORT)
ipoptlen += ipsec_optlen;
#endif
if ((tp->t_flags & TF_TSO) && V_tcp_do_tso && len > tp->t_maxseg &&
(tp->t_port == 0) &&
((tp->t_flags & TF_SIGNATURE) == 0) &&
tp->rcv_numsacks == 0 && ((sack_rxmit == 0) || V_tcp_sack_tso) &&
ipoptlen == 0 && !(flags & TH_SYN))
(ipoptlen == 0 || (ipoptlen == ipsec_optlen &&
(tp->t_flags2 & TF2_IPSEC_TSO) != 0)) &&
!(flags & TH_SYN))
tso = 1;
if (SEQ_LT((sack_rxmit ? p->rxmit : tp->snd_nxt) + len,
@ -917,7 +915,7 @@ send:
* overflowing or exceeding the maximum length
* allowed by the network interface:
*/
KASSERT(ipoptlen == 0,
KASSERT(ipoptlen == ipsec_optlen,
("%s: TSO can't do IP options", __func__));
/*
@ -926,8 +924,8 @@ send:
*/
if (if_hw_tsomax != 0) {
/* compute maximum TSO length */
max_len = (if_hw_tsomax - hdrlen -
max_linkhdr);
max_len = if_hw_tsomax - hdrlen -
ipsec_optlen - max_linkhdr;
if (max_len <= 0) {
len = 0;
} else if (len > max_len) {
@ -941,7 +939,7 @@ send:
* fractional unless the send sockbuf can be
* emptied:
*/
max_len = (tp->t_maxseg - optlen);
max_len = tp->t_maxseg - optlen - ipsec_optlen;
if (((uint32_t)off + (uint32_t)len) <
sbavail(&so->so_snd)) {
moff = len % max_len;
@ -1393,10 +1391,10 @@ send:
* The TCP pseudo header checksum is always provided.
*/
if (tso) {
KASSERT(len > tp->t_maxseg - optlen,
KASSERT(len > tp->t_maxseg - optlen - ipsec_optlen,
("%s: len <= tso_segsz", __func__));
m->m_pkthdr.csum_flags |= CSUM_TSO;
m->m_pkthdr.tso_segsz = tp->t_maxseg - optlen;
m->m_pkthdr.tso_segsz = tp->t_maxseg - optlen - ipsec_optlen;
}
KASSERT(len + hdrlen == m_length(m, NULL),

4
sys/netinet/tcp_subr.c
View File

@ -3349,6 +3349,9 @@ tcp_maxmtu(struct in_conninfo *inc, struct tcp_ifcap *cap)
cap->tsomax = ifp->if_hw_tsomax;
cap->tsomaxsegcount = ifp->if_hw_tsomaxsegcount;
cap->tsomaxsegsize = ifp->if_hw_tsomaxsegsize;
/* XXXKIB IFCAP2_IPSEC_OFFLOAD_TSO */
cap->ipsec_tso = (ifp->if_capenable2 &
IFCAP2_BIT(IFCAP2_IPSEC_OFFLOAD)) != 0;
}
}
}
@ -3388,6 +3391,7 @@ tcp_maxmtu6(struct in_conninfo *inc, struct tcp_ifcap *cap)
cap->tsomax = ifp->if_hw_tsomax;
cap->tsomaxsegcount = ifp->if_hw_tsomaxsegcount;
cap->tsomaxsegsize = ifp->if_hw_tsomaxsegsize;
cap->ipsec_tso = false; /* XXXKIB */
}
}
}

2
sys/netinet/tcp_var.h
View File

@ -844,6 +844,7 @@ tcp_packets_this_ack(struct tcpcb *tp, tcp_seq ack)
#define TF2_DONT_SACK_QUEUE 0x00040000 /* Don't wake on sack */
#define TF2_CANNOT_DO_ECN 0x00080000 /* The stack does not do ECN */
#define TF2_PROC_SACK_PROHIBIT 0x00100000 /* Due to small MSS size do not process sack's */
#define TF2_IPSEC_TSO 0x00200000 /* IPSEC + TSO supported */
/*
* Structure to hold TCP options that are only used during segment
@ -1430,6 +1431,7 @@ struct tcp_ifcap {
u_int tsomax;
u_int tsomaxsegcount;
u_int tsomaxsegsize;
bool ipsec_tso;
};
uint32_t tcp_maxmtu(struct in_conninfo *, struct tcp_ifcap *);
uint32_t tcp_maxmtu6(struct in_conninfo *, struct tcp_ifcap *);

42
sys/netinet6/ip6_output.c
View File

@ -449,27 +449,6 @@ ip6_output(struct mbuf *m0, struct ip6_pktopts *opt,
#endif
}
#if defined(IPSEC) || defined(IPSEC_SUPPORT)
/*
* IPSec checking which handles several cases.
* FAST IPSEC: We re-injected the packet.
* XXX: need scope argument.
*/
if (IPSEC_ENABLED(ipv6)) {
m = mb_unmapped_to_ext(m);
if (m == NULL) {
IP6STAT_INC(ip6s_odropped);
error = ENOBUFS;
goto bad;
}
if ((error = IPSEC_OUTPUT(ipv6, m, inp)) != 0) {
if (error == EINPROGRESS)
error = 0;
goto done;
}
}
#endif /* IPSEC */
/* Source address validation. */
ip6 = mtod(m, struct ip6_hdr *);
if (IN6_IS_ADDR_UNSPECIFIED(&ip6->ip6_src) &&
@ -806,6 +785,27 @@ nonh6lookup:
KASSERT((ifp != NULL), ("output interface must not be NULL"));
KASSERT((origifp != NULL), ("output address interface must not be NULL"));
#if defined(IPSEC) || defined(IPSEC_SUPPORT)
/*
* IPSec checking which handles several cases.
* FAST IPSEC: We re-injected the packet.
* XXX: need scope argument.
*/
if (IPSEC_ENABLED(ipv6)) {
m = mb_unmapped_to_ext(m);
if (m == NULL) {
IP6STAT_INC(ip6s_odropped);
error = ENOBUFS;
goto bad;
}
if ((error = IPSEC_OUTPUT(ipv6, ifp, m, inp, mtu)) != 0) {
if (error == EINPROGRESS)
error = 0;
goto done;
}
}
#endif /* IPSEC */
if ((flags & IPV6_FORWARDING) == 0) {
/* XXX: the FORWARDING flag can be set for mrouting. */
in6_ifstat_inc(ifp, ifs6_out_request);

2
sys/netipsec/esp_var.h
View File

@ -74,6 +74,8 @@ struct espstat {
#include <sys/counter.h>
VNET_DECLARE(int, esp_enable);
VNET_DECLARE(int, esp_ctr_compatibility);
#define V_esp_ctr_compatibility VNET(esp_ctr_compatibility)
VNET_PCPUSTAT_DECLARE(struct espstat, espstat);
#define ESPSTAT_ADD(name, val) \

17
sys/netipsec/ipsec.c
View File

@ -85,6 +85,7 @@
#ifdef INET6
#include <netipsec/ipsec6.h>
#endif
#include <netipsec/ipsec_offload.h>
#include <netipsec/ah_var.h>
#include <netipsec/esp_var.h>
#include <netipsec/ipcomp.h> /*XXX*/
@ -636,8 +637,16 @@ int
ipsec4_in_reject(const struct mbuf *m, struct inpcb *inp)
{
struct secpolicy *sp;
#ifdef IPSEC_OFFLOAD
struct ipsec_accel_in_tag *tag;
#endif
int result;
#ifdef IPSEC_OFFLOAD
tag = ipsec_accel_input_tag_lookup(m);
if (tag != NULL)
return (0);
#endif
sp = ipsec4_getpolicy(m, inp, IPSEC_DIR_INBOUND, 0);
result = ipsec_in_reject(sp, inp, m);
key_freesp(&sp);
@ -802,8 +811,16 @@ int
ipsec6_in_reject(const struct mbuf *m, struct inpcb *inp)
{
struct secpolicy *sp;
#ifdef IPSEC_OFFLOAD
struct ipsec_accel_in_tag *tag;
#endif
int result;
#ifdef IPSEC_OFFLOAD
tag = ipsec_accel_input_tag_lookup(m);
if (tag != NULL)
return (0);
#endif
sp = ipsec6_getpolicy(m, inp, IPSEC_DIR_INBOUND, 0);
result = ipsec_in_reject(sp, inp, m);
key_freesp(&sp);

16
sys/netipsec/ipsec.h
View File

@ -71,6 +71,12 @@ struct ipsecrequest {
u_int level; /* IPsec level defined below. */
};
struct ipsec_accel_adddel_sp_tq {
struct vnet *adddel_vnet;
struct task adddel_task;
int adddel_scheduled;
};
/* Security Policy Data Base */
struct secpolicy {
TAILQ_ENTRY(secpolicy) chain;
@ -102,6 +108,11 @@ struct secpolicy {
time_t lastused; /* updated every when kernel sends a packet */
long lifetime; /* duration of the lifetime of this policy */
long validtime; /* duration this policy is valid without use */
CK_LIST_HEAD(, ifp_handle_sp) accel_ifps;
struct ipsec_accel_adddel_sp_tq accel_add_tq;
struct ipsec_accel_adddel_sp_tq accel_del_tq;
struct inpcb *ipsec_accel_add_sp_inp;
const char *accel_ifname;
};
/*
@ -336,8 +347,9 @@ void ipsec_setspidx_inpcb(struct inpcb *, struct secpolicyindex *, u_int);
void ipsec4_setsockaddrs(const struct mbuf *, union sockaddr_union *,
union sockaddr_union *);
int ipsec4_common_input_cb(struct mbuf *, struct secasvar *, int, int);
int ipsec4_check_pmtu(struct mbuf *, struct secpolicy *, int);
int ipsec4_process_packet(struct mbuf *, struct secpolicy *, struct inpcb *);
int ipsec4_check_pmtu(struct ifnet *, struct mbuf *, struct secpolicy *, int);
int ipsec4_process_packet(struct ifnet *, struct mbuf *, struct secpolicy *,
struct inpcb *, u_long);
int ipsec_process_done(struct mbuf *, struct secpolicy *, struct secasvar *,
u_int);

5
sys/netipsec/ipsec6.h
View File

@ -66,8 +66,9 @@ struct secpolicy *ipsec6_checkpolicy(const struct mbuf *,
void ipsec6_setsockaddrs(const struct mbuf *, union sockaddr_union *,
union sockaddr_union *);
int ipsec6_common_input_cb(struct mbuf *, struct secasvar *, int, int);
int ipsec6_check_pmtu(struct mbuf *, struct secpolicy *, int);
int ipsec6_process_packet(struct mbuf *, struct secpolicy *, struct inpcb *);
int ipsec6_check_pmtu(struct ifnet *, struct mbuf *, struct secpolicy *, int);
int ipsec6_process_packet(struct ifnet *, struct mbuf *, struct secpolicy *,
struct inpcb *, u_long);
int ip6_ipsec_filtertunnel(struct mbuf *);
int ip6_ipsec_pcbctl(struct inpcb *, struct sockopt *);

11
sys/netipsec/ipsec_input.c
View File

@ -90,6 +90,7 @@
#include <netipsec/esp.h>
#include <netipsec/esp_var.h>
#include <netipsec/ipcomp_var.h>
#include <netipsec/ipsec_offload.h>
#include <netipsec/key.h>
#include <netipsec/keydb.h>
@ -237,6 +238,11 @@ ipsec_common_input(struct mbuf *m, int skip, int protoff, int af, int sproto)
int
ipsec4_input(struct mbuf *m, int offset, int proto)
{
int error;
error = ipsec_accel_input(m, offset, proto);
if (error != ENXIO)
return (error);
switch (proto) {
case IPPROTO_AH:
@ -536,7 +542,12 @@ ipsec6_lasthdr(int proto)
int
ipsec6_input(struct mbuf *m, int offset, int proto)
{
int error;
error = ipsec_accel_input(m, offset, proto);
if (error != ENXIO)
return (error);
switch (proto) {
case IPPROTO_AH:
case IPPROTO_ESP:

1081
sys/netipsec/ipsec_offload.c Normal file
View File

File diff suppressed because it is too large Load Diff

194
sys/netipsec/ipsec_offload.h Normal file
View File

@ -0,0 +1,194 @@
/*-
* Copyright (c) 2021,2022 NVIDIA CORPORATION & AFFILIATES. ALL RIGHTS RESERVED.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS `AS IS' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef _NETIPSEC_IPSEC_OFFLOAD_H_
#define _NETIPSEC_IPSEC_OFFLOAD_H_
#ifdef _KERNEL
#include <sys/errno.h>
#include <net/if.h>
#include <net/if_var.h>
struct secpolicy;
struct secasvar;
struct inpcb;
struct ipsec_accel_out_tag {
struct m_tag tag;
uint16_t drv_spi;
};
struct ipsec_accel_in_tag {
struct m_tag tag;
uint16_t drv_spi;
};
#define IPSEC_ACCEL_DRV_SPI_BYPASS 2
#define IPSEC_ACCEL_DRV_SPI_MIN 3
#define IPSEC_ACCEL_DRV_SPI_MAX 0xffff
extern void (*ipsec_accel_sa_newkey_p)(struct secasvar *sav);
extern void (*ipsec_accel_sa_install_input_p)(struct secasvar *sav,
const union sockaddr_union *dst_address, int sproto, uint32_t spi);
extern void (*ipsec_accel_forget_sav_p)(struct secasvar *sav);
extern void (*ipsec_accel_spdadd_p)(struct secpolicy *sp, struct inpcb *inp);
extern void (*ipsec_accel_spddel_p)(struct secpolicy *sp);
extern int (*ipsec_accel_sa_lifetime_op_p)(struct secasvar *sav,
struct seclifetime *lft_c, if_t ifp, enum IF_SA_CNT_WHICH op,
struct rm_priotracker *sahtree_trackerp);
extern void (*ipsec_accel_sync_p)(void);
extern bool (*ipsec_accel_is_accel_sav_p)(struct secasvar *sav);
extern struct mbuf *(*ipsec_accel_key_setaccelif_p)(struct secasvar *sav);
#ifdef IPSEC_OFFLOAD
/*
* Have to use ipsec_accel_sa_install_input_p indirection because
* key.c is unconditionally included into the static kernel.
*/
static inline void
ipsec_accel_sa_newkey(struct secasvar *sav)
{
void (*p)(struct secasvar *sav);
p = atomic_load_ptr(&ipsec_accel_sa_newkey_p);
if (p != NULL)
p(sav);
}
static inline void
ipsec_accel_forget_sav(struct secasvar *sav)
{
void (*p)(struct secasvar *sav);
p = atomic_load_ptr(&ipsec_accel_forget_sav_p);
if (p != NULL)
p(sav);
}
static inline void
ipsec_accel_spdadd(struct secpolicy *sp, struct inpcb *inp)
{
void (*p)(struct secpolicy *sp, struct inpcb *inp);
p = atomic_load_ptr(&ipsec_accel_spdadd_p);
if (p != NULL)
p(sp, inp);
}
static inline void
ipsec_accel_spddel(struct secpolicy *sp)
{
void (*p)(struct secpolicy *sp);
p = atomic_load_ptr(&ipsec_accel_spddel_p);
if (p != NULL)
p(sp);
}
static inline int
ipsec_accel_sa_lifetime_op(struct secasvar *sav,
struct seclifetime *lft_c, if_t ifp, enum IF_SA_CNT_WHICH op,
struct rm_priotracker *sahtree_trackerp)
{
int (*p)(struct secasvar *sav, struct seclifetime *lft_c, if_t ifp,
enum IF_SA_CNT_WHICH op, struct rm_priotracker *sahtree_trackerp);
p = atomic_load_ptr(&ipsec_accel_sa_lifetime_op_p);
if (p != NULL)
return (p(sav, lft_c, ifp, op, sahtree_trackerp));
return (ENOTSUP);
}
static inline void
ipsec_accel_sync(void)
{
void (*p)(void);
p = atomic_load_ptr(&ipsec_accel_sync_p);
if (p != NULL)
p();
}
static inline bool
ipsec_accel_is_accel_sav(struct secasvar *sav)
{
bool (*p)(struct secasvar *sav);
p = atomic_load_ptr(&ipsec_accel_is_accel_sav_p);
if (p != NULL)
return (p(sav));
return (false);
}
static inline struct mbuf *
ipsec_accel_key_setaccelif(struct secasvar *sav)
{
struct mbuf *(*p)(struct secasvar *sav);
p = atomic_load_ptr(&ipsec_accel_key_setaccelif_p);
if (p != NULL)
return (p(sav));
return (NULL);
}
#else
#define ipsec_accel_sa_newkey(a)
#define ipsec_accel_forget_sav(a)
#define ipsec_accel_spdadd(a, b)
#define ipsec_accel_spddel(a)
#define ipsec_accel_sa_lifetime_op(a, b, c, d, e)
#define ipsec_accel_sync()
#define ipsec_accel_is_accel_sav(a)
#define ipsec_accel_key_setaccelif(a)
#endif
void ipsec_accel_forget_sav_impl(struct secasvar *sav);
void ipsec_accel_spdadd_impl(struct secpolicy *sp, struct inpcb *inp);
void ipsec_accel_spddel_impl(struct secpolicy *sp);
#ifdef IPSEC_OFFLOAD
int ipsec_accel_input(struct mbuf *m, int offset, int proto);
bool ipsec_accel_output(struct ifnet *ifp, struct mbuf *m,
struct inpcb *inp, struct secpolicy *sp, struct secasvar *sav, int af,
int mtu, int *hwassist);
void ipsec_accel_forget_sav(struct secasvar *sav);
#else
#define ipsec_accel_input(a, b, c) (ENXIO)
#define ipsec_accel_output(a, b, c, d, e, f, g, h) ({ \
*h = 0; \
false; \
})
#define ipsec_accel_forget_sav(a)
#endif
struct ipsec_accel_in_tag *ipsec_accel_input_tag_lookup(const struct mbuf *);
void ipsec_accel_on_ifdown(struct ifnet *ifp);
void ipsec_accel_drv_sa_lifetime_update(struct secasvar *sav, if_t ifp,
u_int drv_spi, uint64_t octets, uint64_t allocs);
#endif /* _KERNEL */
#endif /* _NETIPSEC_IPSEC_OFFLOAD_H_ */

169
sys/netipsec/ipsec_output.c
View File

@ -84,6 +84,7 @@
#include <netipsec/ipsec6.h>
#endif
#include <netipsec/ipsec_support.h>
#include <netipsec/ipsec_offload.h>
#include <netipsec/ah_var.h>
#include <netipsec/esp_var.h>
#include <netipsec/ipcomp_var.h>
@ -110,7 +111,8 @@ static size_t ipsec_get_pmtu(struct secasvar *sav);
#ifdef INET
static struct secasvar *
ipsec4_allocsa(struct mbuf *m, struct secpolicy *sp, u_int *pidx, int *error)
ipsec4_allocsa(struct ifnet *ifp, struct mbuf *m, struct secpolicy *sp,
u_int *pidx, int *error)
{
struct secasindex *saidx, tmpsaidx;
struct ipsecrequest *isr;
@ -186,14 +188,15 @@ next:
* IPsec output logic for IPv4.
*/
static int
ipsec4_perform_request(struct mbuf *m, struct secpolicy *sp,
struct inpcb *inp, u_int idx)
ipsec4_perform_request(struct ifnet *ifp, struct mbuf *m, struct secpolicy *sp,
struct inpcb *inp, u_int idx, u_long mtu)
{
struct ipsec_ctx_data ctx;
union sockaddr_union *dst;
struct secasvar *sav;
struct ip *ip;
int error, i, off;
int error, hwassist, i, off;
bool accel;
IPSEC_ASSERT(idx < sp->tcount, ("Wrong IPsec request index %d", idx));
@ -206,9 +209,11 @@ ipsec4_perform_request(struct mbuf *m, struct secpolicy *sp,
* determine next transform. At the end of transform we can
* release reference to SP.
*/
sav = ipsec4_allocsa(m, sp, &idx, &error);
sav = ipsec4_allocsa(ifp, m, sp, &idx, &error);
if (sav == NULL) {
if (error == EJUSTRETURN) { /* No IPsec required */
(void)ipsec_accel_output(ifp, m, inp, sp, NULL,
AF_INET, mtu, &hwassist);
key_freesp(&sp);
return (error);
}
@ -221,6 +226,30 @@ ipsec4_perform_request(struct mbuf *m, struct secpolicy *sp,
if ((error = ipsec_run_hhooks(&ctx, HHOOK_TYPE_IPSEC_OUT)) != 0)
goto bad;
hwassist = 0;
accel = ipsec_accel_output(ifp, m, inp, sp, sav, AF_INET, mtu,
&hwassist);
/*
* Do delayed checksums now because we send before
* this is done in the normal processing path.
*/
if ((m->m_pkthdr.csum_flags & CSUM_DELAY_DATA & ~hwassist) != 0) {
in_delayed_cksum(m);
m->m_pkthdr.csum_flags &= ~CSUM_DELAY_DATA;
}
#if defined(SCTP) || defined(SCTP_SUPPORT)
if ((m->m_pkthdr.csum_flags & CSUM_SCTP & ~hwassist) != 0) {
struct ip *ip;
ip = mtod(m, struct ip *);
sctp_delayed_cksum(m, (uint32_t)(ip->ip_hl << 2));
m->m_pkthdr.csum_flags &= ~CSUM_SCTP;
}
#endif
if (accel)
return (EJUSTRETURN);
ip = mtod(m, struct ip *);
dst = &sav->sah->saidx.dst;
/* Do the appropriate encapsulation, if necessary */
@ -288,15 +317,16 @@ bad:
}
int
ipsec4_process_packet(struct mbuf *m, struct secpolicy *sp,
struct inpcb *inp)
ipsec4_process_packet(struct ifnet *ifp, struct mbuf *m, struct secpolicy *sp,
struct inpcb *inp, u_long mtu)
{
return (ipsec4_perform_request(m, sp, inp, 0));
return (ipsec4_perform_request(ifp, m, sp, inp, 0, mtu));
}
int
ipsec4_check_pmtu(struct mbuf *m, struct secpolicy *sp, int forwarding)
ipsec4_check_pmtu(struct ifnet *ifp, struct mbuf *m, struct secpolicy *sp,
int forwarding)
{
struct secasvar *sav;
struct ip *ip;
@ -317,7 +347,7 @@ ipsec4_check_pmtu(struct mbuf *m, struct secpolicy *sp, int forwarding)
setdf:
idx = sp->tcount - 1;
sav = ipsec4_allocsa(m, sp, &idx, &error);
sav = ipsec4_allocsa(ifp, m, sp, &idx, &error);
if (sav == NULL) {
key_freesp(&sp);
/*
@ -368,7 +398,8 @@ setdf:
}
static int
ipsec4_common_output(struct mbuf *m, struct inpcb *inp, int forwarding)
ipsec4_common_output(struct ifnet *ifp, struct mbuf *m, struct inpcb *inp,
int forwarding, u_long mtu)
{
struct secpolicy *sp;
int error;
@ -392,27 +423,9 @@ ipsec4_common_output(struct mbuf *m, struct inpcb *inp, int forwarding)
* packets, and thus, even if they are forwarded, the replies will
* return back to us.
*/
if (!forwarding) {
/*
* Do delayed checksums now because we send before
* this is done in the normal processing path.
*/
if (m->m_pkthdr.csum_flags & CSUM_DELAY_DATA) {
in_delayed_cksum(m);
m->m_pkthdr.csum_flags &= ~CSUM_DELAY_DATA;
}
#if defined(SCTP) || defined(SCTP_SUPPORT)
if (m->m_pkthdr.csum_flags & CSUM_SCTP) {
struct ip *ip;
ip = mtod(m, struct ip *);
sctp_delayed_cksum(m, (uint32_t)(ip->ip_hl << 2));
m->m_pkthdr.csum_flags &= ~CSUM_SCTP;
}
#endif
}
/* NB: callee frees mbuf and releases reference to SP */
error = ipsec4_check_pmtu(m, sp, forwarding);
error = ipsec4_check_pmtu(ifp, m, sp, forwarding);
if (error != 0) {
if (error == EJUSTRETURN)
return (0);
@ -420,7 +433,7 @@ ipsec4_common_output(struct mbuf *m, struct inpcb *inp, int forwarding)
return (error);
}
error = ipsec4_process_packet(m, sp, inp);
error = ipsec4_process_packet(ifp, m, sp, inp, mtu);
if (error == EJUSTRETURN) {
/*
* We had a SP with a level of 'use' and no SA. We
@ -440,7 +453,7 @@ ipsec4_common_output(struct mbuf *m, struct inpcb *inp, int forwarding)
* other values - mbuf consumed by IPsec.
*/
int
ipsec4_output(struct mbuf *m, struct inpcb *inp)
ipsec4_output(struct ifnet *ifp, struct mbuf *m, struct inpcb *inp, u_long mtu)
{
/*
@ -451,7 +464,7 @@ ipsec4_output(struct mbuf *m, struct inpcb *inp)
if (m_tag_find(m, PACKET_TAG_IPSEC_OUT_DONE, NULL) != NULL)
return (0);
return (ipsec4_common_output(m, inp, 0));
return (ipsec4_common_output(ifp, m, inp, 0, mtu));
}
/*
@ -471,7 +484,7 @@ ipsec4_forward(struct mbuf *m)
m_freem(m);
return (EACCES);
}
return (ipsec4_common_output(m, NULL, 1));
return (ipsec4_common_output(NULL /* XXXKIB */, m, NULL, 1, 0));
}
#endif
@ -491,7 +504,8 @@ in6_sa_equal_addrwithscope(const struct sockaddr_in6 *sa,
}
static struct secasvar *
ipsec6_allocsa(struct mbuf *m, struct secpolicy *sp, u_int *pidx, int *error)
ipsec6_allocsa(struct ifnet *ifp, struct mbuf *m, struct secpolicy *sp,
u_int *pidx, int *error)
{
struct secasindex *saidx, tmpsaidx;
struct ipsecrequest *isr;
@ -579,20 +593,23 @@ next:
* IPsec output logic for IPv6.
*/
static int
ipsec6_perform_request(struct mbuf *m, struct secpolicy *sp,
struct inpcb *inp, u_int idx)
ipsec6_perform_request(struct ifnet *ifp, struct mbuf *m, struct secpolicy *sp,
struct inpcb *inp, u_int idx, u_long mtu)
{
struct ipsec_ctx_data ctx;
union sockaddr_union *dst;
struct secasvar *sav;
struct ip6_hdr *ip6;
int error, i, off;
int error, hwassist, i, off;
bool accel;
IPSEC_ASSERT(idx < sp->tcount, ("Wrong IPsec request index %d", idx));
sav = ipsec6_allocsa(m, sp, &idx, &error);
sav = ipsec6_allocsa(ifp, m, sp, &idx, &error);
if (sav == NULL) {
if (error == EJUSTRETURN) { /* No IPsec required */
(void)ipsec_accel_output(ifp, m, inp, sp, NULL,
AF_INET6, mtu, &hwassist);
key_freesp(&sp);
return (error);
}
@ -607,6 +624,28 @@ ipsec6_perform_request(struct mbuf *m, struct secpolicy *sp,
if ((error = ipsec_run_hhooks(&ctx, HHOOK_TYPE_IPSEC_OUT)) != 0)
goto bad;
hwassist = 0;
accel = ipsec_accel_output(ifp, m, inp, sp, sav, AF_INET6, mtu,
&hwassist);
/*
* Do delayed checksums now because we send before
* this is done in the normal processing path.
*/
if ((m->m_pkthdr.csum_flags & CSUM_DELAY_DATA_IPV6 & ~hwassist) != 0) {
in6_delayed_cksum(m, m->m_pkthdr.len -
sizeof(struct ip6_hdr), sizeof(struct ip6_hdr));
m->m_pkthdr.csum_flags &= ~CSUM_DELAY_DATA_IPV6;
}
#if defined(SCTP) || defined(SCTP_SUPPORT)
if ((m->m_pkthdr.csum_flags & CSUM_SCTP_IPV6 & ~hwassist) != 0) {
sctp_delayed_cksum(m, sizeof(struct ip6_hdr));
m->m_pkthdr.csum_flags &= ~CSUM_SCTP_IPV6;
}
#endif
if (accel)
return (EJUSTRETURN);
ip6 = mtod(m, struct ip6_hdr *); /* pfil can change mbuf */
dst = &sav->sah->saidx.dst;
@ -671,18 +710,19 @@ bad:
}
int
ipsec6_process_packet(struct mbuf *m, struct secpolicy *sp,
struct inpcb *inp)
ipsec6_process_packet(struct ifnet *ifp, struct mbuf *m, struct secpolicy *sp,
struct inpcb *inp, u_long mtu)
{
return (ipsec6_perform_request(m, sp, inp, 0));
return (ipsec6_perform_request(ifp, m, sp, inp, 0, mtu));
}
/*
* IPv6 implementation is based on IPv4 implementation.
*/
int
ipsec6_check_pmtu(struct mbuf *m, struct secpolicy *sp, int forwarding)
ipsec6_check_pmtu(struct ifnet *ifp, struct mbuf *m, struct secpolicy *sp,
int forwarding)
{
struct secasvar *sav;
size_t hlen, pmtu;
@ -699,7 +739,7 @@ ipsec6_check_pmtu(struct mbuf *m, struct secpolicy *sp, int forwarding)
return (0);
idx = sp->tcount - 1;
sav = ipsec6_allocsa(m, sp, &idx, &error);
sav = ipsec6_allocsa(ifp, m, sp, &idx, &error);
if (sav == NULL) {
key_freesp(&sp);
/*
@ -745,7 +785,8 @@ ipsec6_check_pmtu(struct mbuf *m, struct secpolicy *sp, int forwarding)
}
static int
ipsec6_common_output(struct mbuf *m, struct inpcb *inp, int forwarding)
ipsec6_common_output(struct ifnet *ifp, struct mbuf *m, struct inpcb *inp,
int forwarding, u_long mtu)
{
struct secpolicy *sp;
int error;
@ -761,25 +802,7 @@ ipsec6_common_output(struct mbuf *m, struct inpcb *inp, int forwarding)
return (0); /* No IPsec required. */
}
if (!forwarding) {
/*
* Do delayed checksums now because we send before
* this is done in the normal processing path.
*/
if (m->m_pkthdr.csum_flags & CSUM_DELAY_DATA_IPV6) {
in6_delayed_cksum(m, m->m_pkthdr.len -
sizeof(struct ip6_hdr), sizeof(struct ip6_hdr));
m->m_pkthdr.csum_flags &= ~CSUM_DELAY_DATA_IPV6;
}
#if defined(SCTP) || defined(SCTP_SUPPORT)
if (m->m_pkthdr.csum_flags & CSUM_SCTP_IPV6) {
sctp_delayed_cksum(m, sizeof(struct ip6_hdr));
m->m_pkthdr.csum_flags &= ~CSUM_SCTP_IPV6;
}
#endif
}
error = ipsec6_check_pmtu(m, sp, forwarding);
error = ipsec6_check_pmtu(ifp, m, sp, forwarding);
if (error != 0) {
if (error == EJUSTRETURN)
return (0);
@ -788,7 +811,7 @@ ipsec6_common_output(struct mbuf *m, struct inpcb *inp, int forwarding)
}
/* NB: callee frees mbuf and releases reference to SP */
error = ipsec6_process_packet(m, sp, inp);
error = ipsec6_process_packet(ifp, m, sp, inp, mtu);
if (error == EJUSTRETURN) {
/*
* We had a SP with a level of 'use' and no SA. We
@ -808,7 +831,7 @@ ipsec6_common_output(struct mbuf *m, struct inpcb *inp, int forwarding)
* other values - mbuf consumed by IPsec.
*/
int
ipsec6_output(struct mbuf *m, struct inpcb *inp)
ipsec6_output(struct ifnet *ifp, struct mbuf *m, struct inpcb *inp, u_long mtu)
{
/*
@ -819,7 +842,7 @@ ipsec6_output(struct mbuf *m, struct inpcb *inp)
if (m_tag_find(m, PACKET_TAG_IPSEC_OUT_DONE, NULL) != NULL)
return (0);
return (ipsec6_common_output(m, inp, 0));
return (ipsec6_common_output(ifp, m, inp, 0, mtu));
}
/*
@ -839,7 +862,7 @@ ipsec6_forward(struct mbuf *m)
m_freem(m);
return (EACCES);
}
return (ipsec6_common_output(m, NULL, 1));
return (ipsec6_common_output(NULL /* XXXKIB */, m, NULL, 1, 0));
}
#endif /* INET6 */
@ -853,6 +876,10 @@ ipsec_process_done(struct mbuf *m, struct secpolicy *sp, struct secasvar *sav,
struct m_tag *mtag;
int error;
if (sav->state >= SADB_SASTATE_DEAD) {
error = ESRCH;
goto bad;
}
saidx = &sav->sah->saidx;
switch (saidx->dst.sa.sa_family) {
#ifdef INET
@ -916,14 +943,16 @@ ipsec_process_done(struct mbuf *m, struct secpolicy *sp, struct secasvar *sav,
case AF_INET:
key_freesav(&sav);
IPSECSTAT_INC(ips_out_bundlesa);
return (ipsec4_perform_request(m, sp, NULL, idx));
return (ipsec4_perform_request(NULL, m, sp, NULL,
idx, 0));
/* NOTREACHED */
#endif
#ifdef INET6
case AF_INET6:
key_freesav(&sav);
IPSEC6STAT_INC(ips_out_bundlesa);
return (ipsec6_perform_request(m, sp, NULL, idx));
return (ipsec6_perform_request(NULL, m, sp, NULL,
idx, 0));
/* NOTREACHED */
#endif /* INET6 */
default:

42
sys/netipsec/ipsec_pcb.c
View File

@ -49,6 +49,7 @@
#include <netipsec/ipsec_support.h>
#include <netipsec/key.h>
#include <netipsec/key_debug.h>
#include <netipsec/ipsec_offload.h>
MALLOC_DEFINE(M_IPSEC_INPCB, "inpcbpolicy", "inpcb-resident ipsec policy");
@ -166,18 +167,26 @@ ipsec_init_pcbpolicy(struct inpcb *inp)
int
ipsec_delete_pcbpolicy(struct inpcb *inp)
{
struct inpcbpolicy *inp_sp;
if (inp->inp_sp == NULL)
inp_sp = inp->inp_sp;
if (inp_sp == NULL)
return (0);
if (inp->inp_sp->sp_in != NULL)
key_freesp(&inp->inp_sp->sp_in);
if (inp->inp_sp->sp_out != NULL)
key_freesp(&inp->inp_sp->sp_out);
free(inp->inp_sp, M_IPSEC_INPCB);
inp->inp_sp = NULL;
if (inp_sp->sp_in != NULL) {
if ((inp_sp->flags & INP_INBOUND_POLICY) != 0)
ipsec_accel_spddel(inp_sp->sp_in);
key_freesp(&inp_sp->sp_in);
}
if (inp_sp->sp_out != NULL) {
if ((inp_sp->flags & INP_OUTBOUND_POLICY) != 0)
ipsec_accel_spddel(inp_sp->sp_out);
key_freesp(&inp_sp->sp_out);
}
free(inp_sp, M_IPSEC_INPCB);
return (0);
}
@ -248,20 +257,26 @@ ipsec_copy_pcbpolicy(struct inpcb *old, struct inpcb *new)
if (sp == NULL)
return (ENOBUFS);
ipsec_setspidx_inpcb(new, &sp->spidx, IPSEC_DIR_INBOUND);
if (new->inp_sp->sp_in != NULL)
if (new->inp_sp->sp_in != NULL) {
ipsec_accel_spddel(new->inp_sp->sp_in);
key_freesp(&new->inp_sp->sp_in);
}
new->inp_sp->sp_in = sp;
new->inp_sp->flags |= INP_INBOUND_POLICY;
ipsec_accel_spdadd(sp, new);
}
if (old->inp_sp->flags & INP_OUTBOUND_POLICY) {
sp = ipsec_deepcopy_pcbpolicy(old->inp_sp->sp_out);
if (sp == NULL)
return (ENOBUFS);
ipsec_setspidx_inpcb(new, &sp->spidx, IPSEC_DIR_OUTBOUND);
if (new->inp_sp->sp_out != NULL)
if (new->inp_sp->sp_out != NULL) {
ipsec_accel_spddel(new->inp_sp->sp_out);
key_freesp(&new->inp_sp->sp_out);
}
new->inp_sp->sp_out = sp;
new->inp_sp->flags |= INP_OUTBOUND_POLICY;
ipsec_accel_spdadd(sp, new);
}
return (0);
}
@ -339,8 +354,10 @@ ipsec_set_pcbpolicy(struct inpcb *inp, struct ucred *cred,
flags = INP_OUTBOUND_POLICY;
}
/* Clear old SP and set new SP. */
if (*spp != NULL)
if (*spp != NULL) {
ipsec_accel_spddel(*spp);
key_freesp(spp);
}
*spp = newsp;
KEYDBG(IPSEC_DUMP,
printf("%s: new SP(%p)\n", __func__, newsp));
@ -348,6 +365,7 @@ ipsec_set_pcbpolicy(struct inpcb *inp, struct ucred *cred,
inp->inp_sp->flags &= ~flags;
else {
inp->inp_sp->flags |= flags;
ipsec_accel_spdadd(newsp, inp);
KEYDBG(IPSEC_DUMP, kdebug_secpolicy(newsp));
}
INP_WUNLOCK(inp);

12
sys/netipsec/ipsec_support.h
View File

@ -29,6 +29,7 @@
#ifdef _KERNEL
#if defined(IPSEC) || defined(IPSEC_SUPPORT)
struct ifnet;
struct mbuf;
struct inpcb;
struct tcphdr;
@ -58,7 +59,7 @@ int ipsec4_in_reject(const struct mbuf *, struct inpcb *);
int ipsec4_input(struct mbuf *, int, int);
int ipsec4_forward(struct mbuf *);
int ipsec4_pcbctl(struct inpcb *, struct sockopt *);
int ipsec4_output(struct mbuf *, struct inpcb *);
int ipsec4_output(struct ifnet *, struct mbuf *, struct inpcb *, u_long);
int ipsec4_capability(struct mbuf *, u_int);
int ipsec4_ctlinput(ipsec_ctlinput_param_t);
#endif /* INET */
@ -68,7 +69,7 @@ int ipsec6_input(struct mbuf *, int, int);
int ipsec6_in_reject(const struct mbuf *, struct inpcb *);
int ipsec6_forward(struct mbuf *);
int ipsec6_pcbctl(struct inpcb *, struct sockopt *);
int ipsec6_output(struct mbuf *, struct inpcb *);
int ipsec6_output(struct ifnet *, struct mbuf *, struct inpcb *, u_long);
int ipsec6_capability(struct mbuf *, u_int);
int ipsec6_ctlinput(ipsec_ctlinput_param_t);
#endif /* INET6 */
@ -77,7 +78,8 @@ struct ipsec_methods {
int (*input)(struct mbuf *, int, int);
int (*check_policy)(const struct mbuf *, struct inpcb *);
int (*forward)(struct mbuf *);
int (*output)(struct mbuf *, struct inpcb *);
int (*output)(struct ifnet *, struct mbuf *, struct inpcb *,
u_long);
int (*pcbctl)(struct inpcb *, struct sockopt *);
size_t (*hdrsize)(struct inpcb *);
int (*capability)(struct mbuf *, u_int);
@ -187,8 +189,8 @@ int ipsec_kmod_input(struct ipsec_support * const, struct mbuf *, int, int);
int ipsec_kmod_check_policy(struct ipsec_support * const, struct mbuf *,
struct inpcb *);
int ipsec_kmod_forward(struct ipsec_support * const, struct mbuf *);
int ipsec_kmod_output(struct ipsec_support * const, struct mbuf *,
struct inpcb *);
int ipsec_kmod_output(struct ipsec_support * const, struct ifnet *,
struct mbuf *, struct inpcb *, u_long);
int ipsec_kmod_pcbctl(struct ipsec_support * const, struct inpcb *,
struct sockopt *);
int ipsec_kmod_capability(struct ipsec_support * const, struct mbuf *, u_int);

271
sys/netipsec/key.c
View File

@ -83,6 +83,7 @@
#include <netipsec/key.h>
#include <netipsec/keysock.h>
#include <netipsec/key_debug.h>
#include <netipsec/ipsec_offload.h>
#include <netipsec/ipsec.h>
#ifdef INET6
@ -90,12 +91,26 @@
#endif
#include <netipsec/xform.h>
#include <netipsec/ipsec_offload.h>
#include <machine/in_cksum.h>
#include <machine/stdarg.h>
/* randomness */
#include <sys/random.h>
#ifdef IPSEC_OFFLOAD
void (*ipsec_accel_sa_newkey_p)(struct secasvar *sav);
void (*ipsec_accel_forget_sav_p)(struct secasvar *sav);
void (*ipsec_accel_spdadd_p)(struct secpolicy *sp, struct inpcb *inp);
void (*ipsec_accel_spddel_p)(struct secpolicy *sp);
int (*ipsec_accel_sa_lifetime_op_p)(struct secasvar *sav,
struct seclifetime *lft_c, if_t ifp, enum IF_SA_CNT_WHICH op,
struct rm_priotracker *sahtree_trackerp);
void (*ipsec_accel_sync_p)(void);
bool (*ipsec_accel_is_accel_sav_p)(struct secasvar *sav);
struct mbuf *(*ipsec_accel_key_setaccelif_p)(struct secasvar *sav);
#endif
#define FULLMASK 0xff
#define _BITS(bytes) ((bytes) << 3)
@ -391,6 +406,9 @@ static const int minsize[] = {
[SADB_X_EXT_SA_REPLAY] = sizeof(struct sadb_x_sa_replay),
[SADB_X_EXT_NEW_ADDRESS_SRC] = sizeof(struct sadb_address),
[SADB_X_EXT_NEW_ADDRESS_DST] = sizeof(struct sadb_address),
[SADB_X_EXT_LFT_CUR_SW_OFFL] = sizeof(struct sadb_lifetime),
[SADB_X_EXT_LFT_CUR_HW_OFFL] = sizeof(struct sadb_lifetime),
[SADB_X_EXT_IF_HW_OFFL] = sizeof(struct sadb_x_if_hw_offl),
};
_Static_assert(nitems(minsize) == SADB_EXT_MAX + 1, "minsize size mismatch");
@ -424,6 +442,9 @@ static const int maxsize[] = {
[SADB_X_EXT_SA_REPLAY] = sizeof(struct sadb_x_sa_replay),
[SADB_X_EXT_NEW_ADDRESS_SRC] = 0,
[SADB_X_EXT_NEW_ADDRESS_DST] = 0,
[SADB_X_EXT_LFT_CUR_SW_OFFL] = sizeof(struct sadb_lifetime),
[SADB_X_EXT_LFT_CUR_HW_OFFL] = sizeof(struct sadb_lifetime),
[SADB_X_EXT_IF_HW_OFFL] = sizeof(struct sadb_x_if_hw_offl),
};
_Static_assert(nitems(maxsize) == SADB_EXT_MAX + 1, "maxsize size mismatch");
@ -622,7 +643,6 @@ static struct callout key_timer;
static void key_unlink(struct secpolicy *);
static void key_detach(struct secpolicy *);
static struct secpolicy *key_do_allocsp(struct secpolicyindex *spidx, u_int dir);
static struct secpolicy *key_getsp(struct secpolicyindex *);
static struct secpolicy *key_getspbyid(u_int32_t);
static struct mbuf *key_gather_mbuf(struct mbuf *,
@ -662,7 +682,7 @@ static int key_updateaddresses(struct socket *, struct mbuf *,
const struct sadb_msghdr *, struct secasvar *, struct secasindex *);
static struct mbuf *key_setdumpsa(struct secasvar *, u_int8_t,
u_int8_t, u_int32_t, u_int32_t);
u_int8_t, u_int32_t, u_int32_t, struct rm_priotracker *);
static struct mbuf *key_setsadbmsg(u_int8_t, u_int16_t, u_int8_t,
u_int32_t, pid_t, u_int16_t);
static struct mbuf *key_setsadbsa(struct secasvar *);
@ -1228,6 +1248,11 @@ key_freesp(struct secpolicy **spp)
KEYDBG(IPSEC_DATA, kdebug_secpolicy(sp));
*spp = NULL;
#ifdef IPSEC_OFFLOAD
KASSERT(CK_LIST_EMPTY(&sp->accel_ifps),
("key_freesp: sp %p still offloaded", sp));
free(__DECONST(char *, sp->accel_ifname), M_IPSEC_MISC);
#endif
while (sp->tcount > 0)
ipsec_delisr(sp->req[--sp->tcount]);
free(sp, M_IPSEC_SP);
@ -1241,6 +1266,7 @@ key_unlink(struct secpolicy *sp)
SPTREE_WUNLOCK();
if (SPDCACHE_ENABLED())
spdcache_clear();
ipsec_accel_sync();
key_freesp(&sp);
}
@ -1259,6 +1285,7 @@ key_detach(struct secpolicy *sp)
return;
}
sp->state = IPSEC_SPSTATE_DEAD;
ipsec_accel_spddel(sp);
TAILQ_REMOVE(&V_sptree[sp->spidx.dir], sp, chain);
V_spd_size--;
LIST_REMOVE(sp, idhash);
@ -1286,6 +1313,7 @@ done:
newsp->state = IPSEC_SPSTATE_ALIVE;
V_spd_size++;
V_sp_genid++;
ipsec_accel_spdadd(newsp, NULL);
}
/*
@ -1330,6 +1358,7 @@ key_register_ifnet(struct secpolicy **spp, u_int count)
*/
LIST_INSERT_HEAD(SPHASH_HASH(spp[i]->id), spp[i], idhash);
spp[i]->state = IPSEC_SPSTATE_IFNET;
ipsec_accel_spdadd(spp[i], NULL);
}
SPTREE_WUNLOCK();
/*
@ -1358,6 +1387,7 @@ key_unregister_ifnet(struct secpolicy **spp, u_int count)
if (spp[i]->state != IPSEC_SPSTATE_IFNET)
continue;
spp[i]->state = IPSEC_SPSTATE_DEAD;
ipsec_accel_spddel(spp[i]);
TAILQ_REMOVE(&V_sptree_ifnet[spp[i]->spidx.dir],
spp[i], chain);
V_spd_size--;
@ -1366,6 +1396,7 @@ key_unregister_ifnet(struct secpolicy **spp, u_int count)
SPTREE_WUNLOCK();
if (SPDCACHE_ENABLED())
spdcache_clear();
ipsec_accel_sync();
for (i = 0; i < count; i++) {
m = key_setdumpsp(spp[i], SADB_X_SPDDELETE, 0, 0);
@ -1425,6 +1456,7 @@ key_unlinksav(struct secasvar *sav)
/* Unlink from SPI hash */
LIST_REMOVE(sav, spihash);
sav->state = SADB_SASTATE_DEAD;
ipsec_accel_forget_sav(sav);
sah = sav->sah;
SAHTREE_WUNLOCK();
key_freesav(&sav);
@ -1822,6 +1854,9 @@ key_sp2msg(struct secpolicy *sp, void *request, size_t *len)
size_t xlen, ilen;
caddr_t p;
int error, i;
#ifdef IPSEC_OFFLOAD
struct sadb_x_if_hw_offl *xif;
#endif
IPSEC_ASSERT(sp != NULL, ("null policy"));
@ -1877,6 +1912,18 @@ key_sp2msg(struct secpolicy *sp, void *request, size_t *len)
}
}
xpl->sadb_x_policy_len = PFKEY_UNIT64(xlen);
#ifdef IPSEC_OFFLOAD
if (error == 0 && sp->accel_ifname != NULL) {
xif = (struct sadb_x_if_hw_offl *)(xpl + 1);
bzero(xif, sizeof(*xif));
xif->sadb_x_if_hw_offl_len = PFKEY_UNIT64(sizeof(*xif));
xif->sadb_x_if_hw_offl_exttype = SADB_X_EXT_IF_HW_OFFL;
xif->sadb_x_if_hw_offl_flags = 0;
strncpy(xif->sadb_x_if_hw_offl_if, sp->accel_ifname,
sizeof(xif->sadb_x_if_hw_offl_if));
xlen += sizeof(*xif);
}
#endif
if (error == 0)
*len = xlen;
else
@ -2089,6 +2136,27 @@ key_spdadd(struct socket *so, struct mbuf *m, const struct sadb_msghdr *mhp)
newsp->lifetime = lft ? lft->sadb_lifetime_addtime : 0;
newsp->validtime = lft ? lft->sadb_lifetime_usetime : 0;
bcopy(&spidx, &newsp->spidx, sizeof(spidx));
#ifdef IPSEC_OFFLOAD
if (!SADB_CHECKHDR(mhp, SADB_X_EXT_IF_HW_OFFL) &&
!SADB_CHECKLEN(mhp, SADB_X_EXT_IF_HW_OFFL)) {
struct sadb_x_if_hw_offl *xof;
xof = (struct sadb_x_if_hw_offl *)mhp->ext[
SADB_X_EXT_IF_HW_OFFL];
newsp->accel_ifname = malloc(sizeof(xof->sadb_x_if_hw_offl_if),
M_IPSEC_MISC, M_NOWAIT);
if (newsp->accel_ifname == NULL) {
ipseclog((LOG_DEBUG, "%s: cannot alloc accel_ifname.\n",
__func__));
key_freesp(&newsp);
return (key_senderror(so, m, error));
}
strncpy(__DECONST(char *, newsp->accel_ifname),
xof->sadb_x_if_hw_offl_if,
sizeof(xof->sadb_x_if_hw_offl_if));
}
#endif
SPTREE_WLOCK();
if ((newsp->id = key_getnewspid()) == 0) {
@ -2096,6 +2164,7 @@ key_spdadd(struct socket *so, struct mbuf *m, const struct sadb_msghdr *mhp)
key_detach(oldsp);
SPTREE_WUNLOCK();
if (oldsp != NULL) {
ipsec_accel_sync();
key_freesp(&oldsp); /* first for key_detach */
IPSEC_ASSERT(oldsp != NULL, ("null oldsp: refcount bug"));
key_freesp(&oldsp); /* second for our reference */
@ -2110,6 +2179,7 @@ key_spdadd(struct socket *so, struct mbuf *m, const struct sadb_msghdr *mhp)
key_insertsp(newsp);
SPTREE_WUNLOCK();
if (oldsp != NULL) {
ipsec_accel_sync();
key_freesp(&oldsp); /* first for key_detach */
IPSEC_ASSERT(oldsp != NULL, ("null oldsp: refcount bug"));
key_freesp(&oldsp); /* second for our reference */
@ -2291,6 +2361,7 @@ key_spddelete(struct socket *so, struct mbuf *m,
KEYDBG(KEY_STAMP,
printf("%s: SP(%p)\n", __func__, sp));
KEYDBG(KEY_DATA, kdebug_secpolicy(sp));
ipsec_accel_spddel(sp);
key_unlink(sp);
key_freesp(&sp);
@ -2562,6 +2633,7 @@ key_spdflush(struct socket *so, struct mbuf *m, const struct sadb_msghdr *mhp)
*/
TAILQ_FOREACH(sp, &drainq, chain) {
sp->state = IPSEC_SPSTATE_DEAD;
ipsec_accel_spddel(sp);
LIST_REMOVE(sp, idhash);
}
V_sp_genid++;
@ -2765,6 +2837,10 @@ key_getspreqmsglen(struct secpolicy *sp)
tlen += PFKEY_ALIGN8(len);
}
#ifdef IPSEC_OFFLOAD
if (sp->accel_ifname != NULL)
tlen += sizeof(struct sadb_x_if_hw_offl);
#endif
return (tlen);
}
@ -3006,6 +3082,32 @@ key_newsav(const struct sadb_msghdr *mhp, struct secasindex *saidx,
sav->state = SADB_SASTATE_LARVAL;
sav->pid = (pid_t)mhp->msg->sadb_msg_pid;
SAV_INITREF(sav);
#ifdef IPSEC_OFFLOAD
CK_LIST_INIT(&sav->accel_ifps);
sav->accel_forget_tq = 0;
sav->accel_lft_sw = uma_zalloc_pcpu(ipsec_key_lft_zone,
M_NOWAIT | M_ZERO);
if (sav->accel_lft_sw == NULL) {
*errp = ENOBUFS;
goto done;
}
if (!SADB_CHECKHDR(mhp, SADB_X_EXT_IF_HW_OFFL) &&
!SADB_CHECKLEN(mhp, SADB_X_EXT_IF_HW_OFFL)) {
struct sadb_x_if_hw_offl *xof;
xof = (struct sadb_x_if_hw_offl *)mhp->ext[
SADB_X_EXT_IF_HW_OFFL];
sav->accel_ifname = malloc(sizeof(xof->sadb_x_if_hw_offl_if),
M_IPSEC_MISC, M_NOWAIT);
if (sav->accel_ifname == NULL) {
*errp = ENOBUFS;
goto done;
}
strncpy(__DECONST(char *, sav->accel_ifname),
xof->sadb_x_if_hw_offl_if,
sizeof(xof->sadb_x_if_hw_offl_if));
}
#endif
again:
sah = key_getsah(saidx);
if (sah == NULL) {
@ -3069,9 +3171,10 @@ again:
SAH_ADDREF(sah);
}
/* Link SAV with SAH */
if (sav->state == SADB_SASTATE_MATURE)
if (sav->state == SADB_SASTATE_MATURE) {
TAILQ_INSERT_HEAD(&sah->savtree_alive, sav, chain);
else
ipsec_accel_sa_newkey(sav);
} else
TAILQ_INSERT_HEAD(&sah->savtree_larval, sav, chain);
/* Add SAV into SPI hash */
LIST_INSERT_HEAD(SAVHASH_HASH(sav->spi), sav, spihash);
@ -3086,6 +3189,13 @@ done:
}
if (sav->lft_c != NULL)
uma_zfree_pcpu(ipsec_key_lft_zone, sav->lft_c);
#ifdef IPSEC_OFFLOAD
if (sav->accel_lft_sw != NULL)
uma_zfree_pcpu(ipsec_key_lft_zone,
sav->accel_lft_sw);
free(__DECONST(char *, sav->accel_ifname),
M_IPSEC_MISC);
#endif
free(sav, M_IPSEC_SA), sav = NULL;
}
if (sah != NULL)
@ -3154,6 +3264,10 @@ key_delsav(struct secasvar *sav)
("attempt to free non DEAD SA %p", sav));
IPSEC_ASSERT(sav->refcnt == 0, ("reference count %u > 0",
sav->refcnt));
#ifdef IPSEC_OFFLOAD
KASSERT(CK_LIST_EMPTY(&sav->accel_ifps),
("key_unlinksav: sav %p still offloaded", sav));
#endif
/*
* SA must be unlinked from the chain and hashtbl.
@ -3166,6 +3280,11 @@ key_delsav(struct secasvar *sav)
free(sav->lock, M_IPSEC_MISC);
uma_zfree_pcpu(ipsec_key_lft_zone, sav->lft_c);
}
#ifdef IPSEC_OFFLOAD
/* XXXKIB should this be moved to key_cleansav()? */
uma_zfree_pcpu(ipsec_key_lft_zone, sav->accel_lft_sw);
free(__DECONST(char *, sav->accel_ifname), M_IPSEC_MISC);
#endif
free(sav, M_IPSEC_SA);
}
@ -3589,7 +3708,7 @@ fail:
*/
static struct mbuf *
key_setdumpsa(struct secasvar *sav, uint8_t type, uint8_t satype,
uint32_t seq, uint32_t pid)
uint32_t seq, uint32_t pid, struct rm_priotracker *sahtree_trackerp)
{
struct seclifetime lft_c;
struct mbuf *result = NULL, *tres = NULL, *m;
@ -3605,8 +3724,15 @@ key_setdumpsa(struct secasvar *sav, uint8_t type, uint8_t satype,
SADB_X_EXT_NAT_T_SPORT, SADB_X_EXT_NAT_T_DPORT,
SADB_X_EXT_NAT_T_OAI, SADB_X_EXT_NAT_T_OAR,
SADB_X_EXT_NAT_T_FRAG,
#ifdef IPSEC_OFFLOAD
SADB_X_EXT_LFT_CUR_SW_OFFL, SADB_X_EXT_LFT_CUR_HW_OFFL,
SADB_X_EXT_IF_HW_OFFL,
#endif
};
uint32_t replay_count;
#ifdef IPSEC_OFFLOAD
int error;
#endif
SECASVAR_RLOCK_TRACKER;
@ -3753,6 +3879,44 @@ key_setdumpsa(struct secasvar *sav, uint8_t type, uint8_t satype,
case SADB_X_EXT_NAT_T_FRAG:
/* We do not (yet) support those. */
continue;
#ifdef IPSEC_OFFLOAD
case SADB_X_EXT_LFT_CUR_SW_OFFL:
if (!ipsec_accel_is_accel_sav(sav))
continue;
SAV_ADDREF(sav);
error = ipsec_accel_sa_lifetime_op(sav, &lft_c,
NULL, IF_SA_CNT_TOTAL_SW_VAL, sahtree_trackerp);
if (error != 0) {
m = NULL;
goto fail;
}
m = key_setlifetime(&lft_c, dumporder[i]);
if (m == NULL)
goto fail;
key_freesav(&sav);
if (sav == NULL) {
m_freem(m);
goto fail;
}
break;
case SADB_X_EXT_LFT_CUR_HW_OFFL:
if (!ipsec_accel_is_accel_sav(sav))
continue;
memset(&lft_c, 0, sizeof(lft_c));
lft_c.bytes = sav->accel_hw_octets;
lft_c.allocations = sav->accel_hw_allocs;
m = key_setlifetime(&lft_c, dumporder[i]);
if (m == NULL)
goto fail;
break;
case SADB_X_EXT_IF_HW_OFFL:
if (!ipsec_accel_is_accel_sav(sav))
continue;
m = ipsec_accel_key_setaccelif(sav);
if (m == NULL)
continue; /* benigh */
break;
#endif
case SADB_EXT_ADDRESS_PROXY:
case SADB_EXT_IDENTITY_SRC:
@ -4503,6 +4667,7 @@ key_flush_spd(time_t now)
V_spd_size--;
LIST_REMOVE(sp, idhash);
sp->state = IPSEC_SPSTATE_DEAD;
ipsec_accel_spddel(sp);
sp = nextsp;
}
V_sp_genid++;
@ -4626,6 +4791,7 @@ key_flush_sad(time_t now)
TAILQ_REMOVE(&sav->sah->savtree_larval, sav, chain);
LIST_REMOVE(sav, spihash);
sav->state = SADB_SASTATE_DEAD;
ipsec_accel_forget_sav(sav);
sav = nextsav;
}
/* Unlink all SAs with expired HARD lifetime */
@ -4642,6 +4808,7 @@ key_flush_sad(time_t now)
TAILQ_REMOVE(&sav->sah->savtree_alive, sav, chain);
LIST_REMOVE(sav, spihash);
sav->state = SADB_SASTATE_DEAD;
ipsec_accel_forget_sav(sav);
sav = nextsav;
}
/* Mark all SAs with expired SOFT lifetime as DYING */
@ -5240,6 +5407,30 @@ key_updateaddresses(struct socket *so, struct mbuf *m,
/* Clone SA's content into newsav */
SAV_INITREF(newsav);
bcopy(sav, newsav, offsetof(struct secasvar, chain));
#ifdef IPSEC_OFFLOAD
CK_LIST_INIT(&newsav->accel_ifps);
newsav->accel_forget_tq = 0;
newsav->accel_lft_sw = uma_zalloc_pcpu(ipsec_key_lft_zone,
M_NOWAIT | M_ZERO);
if (newsav->accel_lft_sw == NULL) {
error = ENOBUFS;
goto fail;
}
if (sav->accel_ifname != NULL) {
struct sadb_x_if_hw_offl xof;
newsav->accel_ifname = malloc(sizeof(xof.sadb_x_if_hw_offl_if),
M_IPSEC_MISC, M_NOWAIT);
if (newsav->accel_ifname == NULL) {
error = ENOBUFS;
goto fail;
}
strncpy(__DECONST(char *, sav->accel_ifname),
newsav->accel_ifname,
sizeof(xof.sadb_x_if_hw_offl_if));
}
#endif
/*
* We create new NAT-T config if it is needed.
* Old NAT-T config will be freed by key_cleansav() when
@ -5270,6 +5461,7 @@ key_updateaddresses(struct socket *so, struct mbuf *m,
TAILQ_REMOVE(&sav->sah->savtree_alive, sav, chain);
LIST_REMOVE(sav, spihash);
sav->state = SADB_SASTATE_DEAD;
ipsec_accel_forget_sav(sav);
/*
* Link new SA with SAH. Keep SAs ordered by
@ -5327,6 +5519,10 @@ fail:
if (isnew != 0)
key_freesah(&sah);
if (newsav != NULL) {
#ifdef IPSEC_OFFLOAD
uma_zfree_pcpu(ipsec_key_lft_zone, newsav->accel_lft_sw);
free(__DECONST(char *, newsav->accel_ifname), M_IPSEC_MISC);
#endif
if (newsav->natt != NULL)
free(newsav->natt, M_IPSEC_MISC);
free(newsav, M_IPSEC_SA);
@ -5541,6 +5737,7 @@ key_update(struct socket *so, struct mbuf *m, const struct sadb_msghdr *mhp)
KEYDBG(KEY_STAMP,
printf("%s: SA(%p)\n", __func__, sav));
KEYDBG(KEY_DATA, kdebug_secasv(sav));
ipsec_accel_sa_newkey(sav);
key_freesav(&sav);
{
@ -5693,6 +5890,7 @@ key_add(struct socket *so, struct mbuf *m, const struct sadb_msghdr *mhp)
KEYDBG(KEY_STAMP,
printf("%s: return SA(%p)\n", __func__, sav));
KEYDBG(KEY_DATA, kdebug_secasv(sav));
ipsec_accel_sa_newkey(sav);
/*
* If SADB_ADD was in response to SADB_ACQUIRE, we need to schedule
* ACQ for deletion.
@ -6197,6 +6395,7 @@ key_delete_all(struct socket *so, struct mbuf *m,
/* Unlink all queued SAs from SPI hash */
TAILQ_FOREACH(sav, &drainq, chain) {
sav->state = SADB_SASTATE_DEAD;
ipsec_accel_forget_sav(sav);
LIST_REMOVE(sav, spihash);
}
SAHTREE_WUNLOCK();
@ -6265,6 +6464,7 @@ key_delete_xform(const struct xformsw *xsp)
/* Unlink all queued SAs from SPI hash */
TAILQ_FOREACH(sav, &drainq, chain) {
sav->state = SADB_SASTATE_DEAD;
ipsec_accel_forget_sav(sav);
LIST_REMOVE(sav, spihash);
}
SAHTREE_WUNLOCK();
@ -6373,7 +6573,7 @@ key_get(struct socket *so, struct mbuf *m, const struct sadb_msghdr *mhp)
/* create new sadb_msg to reply. */
n = key_setdumpsa(sav, SADB_GET, satype, mhp->msg->sadb_msg_seq,
mhp->msg->sadb_msg_pid);
mhp->msg->sadb_msg_pid, NULL);
key_freesav(&sav);
if (!n)
@ -7615,9 +7815,11 @@ key_flush(struct socket *so, struct mbuf *m, const struct sadb_msghdr *mhp)
*/
TAILQ_FOREACH(sav, &sah->savtree_larval, chain) {
sav->state = SADB_SASTATE_DEAD;
ipsec_accel_forget_sav(sav);
}
TAILQ_FOREACH(sav, &sah->savtree_alive, chain) {
sav->state = SADB_SASTATE_DEAD;
ipsec_accel_forget_sav(sav);
}
}
SAHTREE_WUNLOCK();
@ -7639,10 +7841,12 @@ key_flush(struct socket *so, struct mbuf *m, const struct sadb_msghdr *mhp)
TAILQ_FOREACH(sav, &sah->savtree_larval, chain) {
LIST_REMOVE(sav, spihash);
sav->state = SADB_SASTATE_DEAD;
ipsec_accel_forget_sav(sav);
}
TAILQ_FOREACH(sav, &sah->savtree_alive, chain) {
LIST_REMOVE(sav, spihash);
sav->state = SADB_SASTATE_DEAD;
ipsec_accel_forget_sav(sav);
}
/* Add SAH into flushq */
TAILQ_INSERT_HEAD(&flushq, sah, chain);
@ -7706,6 +7910,7 @@ key_dump(struct socket *so, struct mbuf *m, const struct sadb_msghdr *mhp)
/* count sav entries to be sent to the userland. */
cnt = 0;
IFNET_RLOCK();
SAHTREE_RLOCK();
TAILQ_FOREACH(sah, &V_sahtree, chain) {
if (mhp->msg->sadb_msg_satype != SADB_SATYPE_UNSPEC &&
@ -7720,6 +7925,7 @@ key_dump(struct socket *so, struct mbuf *m, const struct sadb_msghdr *mhp)
if (cnt == 0) {
SAHTREE_RUNLOCK();
IFNET_RUNLOCK();
return key_senderror(so, m, ENOENT);
}
@ -7732,30 +7938,34 @@ key_dump(struct socket *so, struct mbuf *m, const struct sadb_msghdr *mhp)
/* map proto to satype */
if ((satype = key_proto2satype(sah->saidx.proto)) == 0) {
SAHTREE_RUNLOCK();
IFNET_RUNLOCK();
ipseclog((LOG_DEBUG, "%s: there was invalid proto in "
"SAD.\n", __func__));
return key_senderror(so, m, EINVAL);
}
TAILQ_FOREACH(sav, &sah->savtree_larval, chain) {
n = key_setdumpsa(sav, SADB_DUMP, satype,
--cnt, mhp->msg->sadb_msg_pid);
--cnt, mhp->msg->sadb_msg_pid, &sahtree_tracker);
if (n == NULL) {
SAHTREE_RUNLOCK();
IFNET_RUNLOCK();
return key_senderror(so, m, ENOBUFS);
}
key_sendup_mbuf(so, n, KEY_SENDUP_ONE);
}
TAILQ_FOREACH(sav, &sah->savtree_alive, chain) {
n = key_setdumpsa(sav, SADB_DUMP, satype,
--cnt, mhp->msg->sadb_msg_pid);
--cnt, mhp->msg->sadb_msg_pid, &sahtree_tracker);
if (n == NULL) {
SAHTREE_RUNLOCK();
IFNET_RUNLOCK();
return key_senderror(so, m, ENOBUFS);
}
key_sendup_mbuf(so, n, KEY_SENDUP_ONE);
}
}
SAHTREE_RUNLOCK();
IFNET_RUNLOCK();
m_freem(m);
return (0);
}
@ -8176,6 +8386,11 @@ key_align(struct mbuf *m, struct sadb_msghdr *mhp)
case SADB_X_EXT_SA_REPLAY:
case SADB_X_EXT_NEW_ADDRESS_SRC:
case SADB_X_EXT_NEW_ADDRESS_DST:
#ifdef IPSEC_OFFLOAD
case SADB_X_EXT_LFT_CUR_SW_OFFL:
case SADB_X_EXT_LFT_CUR_HW_OFFL:
case SADB_X_EXT_IF_HW_OFFL:
#endif
/* duplicate check */
/*
* XXX Are there duplication payloads of either
@ -8484,9 +8699,11 @@ key_vnet_destroy(void *arg __unused)
sah->state = SADB_SASTATE_DEAD;
TAILQ_FOREACH(sav, &sah->savtree_larval, chain) {
sav->state = SADB_SASTATE_DEAD;
ipsec_accel_forget_sav(sav);
}
TAILQ_FOREACH(sav, &sah->savtree_alive, chain) {
sav->state = SADB_SASTATE_DEAD;
ipsec_accel_forget_sav(sav);
}
}
SAHTREE_WUNLOCK();
@ -8634,6 +8851,32 @@ key_setkey(struct seckey *src, uint16_t exttype)
return m;
}
#ifdef IPSEC_OFFLOAD
struct mbuf *
key_setaccelif(const char *ifname)
{
struct mbuf *m = NULL;
struct sadb_x_if_hw_offl *p;
int len = PFKEY_ALIGN8(sizeof(*p));
m = m_get2(len, M_NOWAIT, MT_DATA, 0);
if (m == NULL)
return (m);
m_align(m, len);
m->m_len = len;
p = mtod(m, struct sadb_x_if_hw_offl *);
bzero(p, len);
p->sadb_x_if_hw_offl_len = PFKEY_UNIT64(len);
p->sadb_x_if_hw_offl_exttype = SADB_X_EXT_IF_HW_OFFL;
p->sadb_x_if_hw_offl_flags = 0;
strncpy(p->sadb_x_if_hw_offl_if, ifname,
sizeof(p->sadb_x_if_hw_offl_if));
return (m);
}
#endif
/*
* Take one of the kernel's lifetime data structures and convert it
* into a PF_KEY structure within an mbuf, suitable for sending up to
@ -8709,3 +8952,15 @@ comp_algorithm_lookup(int alg)
return (supported_calgs[i].xform);
return (NULL);
}
void
ipsec_sahtree_runlock(struct rm_priotracker *sahtree_trackerp)
{
rm_runlock(&sahtree_lock, sahtree_trackerp);
}
void
ipsec_sahtree_rlock(struct rm_priotracker *sahtree_trackerp)
{
rm_rlock(&sahtree_lock, sahtree_trackerp);
}

7
sys/netipsec/key.h
View File

@ -36,6 +36,7 @@
#ifdef _KERNEL
struct mbuf;
struct secpolicy;
struct secpolicyindex;
struct secasvar;
@ -49,6 +50,7 @@ struct xformsw;
struct secpolicy *key_newsp(void);
struct secpolicy *key_allocsp(struct secpolicyindex *, u_int);
struct secpolicy *key_do_allocsp(struct secpolicyindex *spidx, u_int dir);
struct secpolicy *key_msg2sp(struct sadb_x_policy *, size_t, int *);
int key_sp2msg(struct secpolicy *, void *, size_t *);
void key_addref(struct secpolicy *);
@ -59,6 +61,7 @@ int key_havesp_any(void);
void key_bumpspgen(void);
uint32_t key_getspgen(void);
uint32_t key_newreqid(void);
struct mbuf *key_setaccelif(const char *ifname);
struct secasvar *key_allocsa(union sockaddr_union *, uint8_t, uint32_t);
struct secasvar *key_allocsa_tunnel(union sockaddr_union *,
@ -84,6 +87,10 @@ extern void key_sa_recordxfer(struct secasvar *, struct mbuf *);
uint16_t key_portfromsaddr(struct sockaddr *);
void key_porttosaddr(struct sockaddr *, uint16_t port);
struct rm_priotracker;
void ipsec_sahtree_runlock(struct rm_priotracker *);
void ipsec_sahtree_rlock(struct rm_priotracker *);
#ifdef MALLOC_DECLARE
MALLOC_DECLARE(M_IPSEC_SA);
MALLOC_DECLARE(M_IPSEC_SAH);

5
sys/netipsec/key_debug.c
View File

@ -155,6 +155,8 @@ kdebug_sadb_exttype(uint16_t type)
X_NAME(SA_REPLAY);
X_NAME(NEW_ADDRESS_SRC);
X_NAME(NEW_ADDRESS_DST);
X_NAME(LFT_CUR_SW_OFFL);
X_NAME(LFT_CUR_HW_OFFL);
default:
return ("UNKNOWN");
};
@ -251,6 +253,9 @@ kdebug_sadb(struct sadb_msg *base)
case SADB_X_EXT_NAT_T_DPORT:
kdebug_sadb_x_natt(ext);
break;
case SADB_X_EXT_LFT_CUR_SW_OFFL:
case SADB_X_EXT_LFT_CUR_HW_OFFL:
kdebug_sadb_lifetime(ext);
default:
printf("%s: invalid ext_type %u\n", __func__,
ext->sadb_ext_type);

14
sys/netipsec/keydb.h
View File

@ -36,9 +36,11 @@
#ifdef _KERNEL
#include <sys/counter.h>
#include <sys/ck.h>
#include <sys/lock.h>
#include <sys/mutex.h>
#include <sys/rmlock.h>
#include <sys/_task.h>
#include <netipsec/key_var.h>
#include <opencrypto/_cryptodev.h>
@ -125,6 +127,7 @@ struct xformsw;
struct enc_xform;
struct auth_hash;
struct comp_algo;
struct ifp_handle_sav;
/*
* Security Association
@ -185,8 +188,19 @@ struct secasvar {
uint64_t cntr; /* counter for GCM and CTR */
volatile u_int refcnt; /* reference count */
CK_LIST_HEAD(, ifp_handle_sav) accel_ifps;
uintptr_t accel_forget_tq;
const char *accel_ifname;
uint32_t accel_flags;
counter_u64_t accel_lft_sw;
uint64_t accel_hw_allocs;
uint64_t accel_hw_octets;
uint64_t accel_firstused;
};
#define SADB_KEY_ACCEL_INST 0x00000001
#define SADB_KEY_ACCEL_DEINST 0x00000002
#define SECASVAR_RLOCK_TRACKER struct rm_priotracker _secas_tracker
#define SECASVAR_RLOCK(_sav) rm_rlock((_sav)->lock, &_secas_tracker)
#define SECASVAR_RUNLOCK(_sav) rm_runlock((_sav)->lock, &_secas_tracker)

7
sys/netipsec/subr_ipsec.c
View File

@ -368,9 +368,10 @@ IPSEC_KMOD_METHOD(int, ipsec_kmod_ctlinput, sc,
ipsec_ctlinput_param_t param), METHOD_ARGS(param)
)
IPSEC_KMOD_METHOD(int, ipsec_kmod_output, sc,
output, METHOD_DECL(struct ipsec_support * const sc, struct mbuf *m,
struct inpcb *inp), METHOD_ARGS(m, inp)
IPSEC_KMOD_METHOD(int, ipsec_kmod_output, sc, output,
METHOD_DECL(struct ipsec_support * const sc, struct ifnet *ifp,
struct mbuf *m, struct inpcb *inp, u_long mtu),
METHOD_ARGS(ifp, m, inp, mtu)
)
IPSEC_KMOD_METHOD(int, ipsec_kmod_pcbctl, sc,

3
sys/netipsec/xform_esp.c
View File

@ -83,8 +83,7 @@
#define SPI_SIZE 4
VNET_DEFINE(int, esp_enable) = 1;
VNET_DEFINE_STATIC(int, esp_ctr_compatibility) = 1;
#define V_esp_ctr_compatibility VNET(esp_ctr_compatibility)
VNET_DEFINE(int, esp_ctr_compatibility) = 1;
VNET_PCPUSTAT_DEFINE(struct espstat, espstat);
VNET_PCPUSTAT_SYSINIT(espstat);

2
sys/sys/mbuf.h
View File

@ -1386,6 +1386,8 @@ extern bool mb_use_ext_pgs; /* Use ext_pgs for sendfile */
#define PACKET_TAG_IPSEC_NAT_T_PORTS 29 /* two uint16_t */
#define PACKET_TAG_ND_OUTGOING 30 /* ND outgoing */
#define PACKET_TAG_PF_REASSEMBLED 31
#define PACKET_TAG_IPSEC_ACCEL_OUT 32 /* IPSEC accel out */
#define PACKET_TAG_IPSEC_ACCEL_IN 33 /* IPSEC accel in */
/* Specific cookies and tags. */

2
sys/sys/param.h
View File

@ -73,7 +73,7 @@
* cannot include sys/param.h and should only be updated here.
*/
#undef __FreeBSD_version
#define __FreeBSD_version 1500019
#define __FreeBSD_version 1500020
/*
* __FreeBSD_kernel__ indicates that this system uses the kernel of FreeBSD,

12
usr.bin/time/time.1
View File

@ -1,3 +1,6 @@
.\"-
.\" SPDX-License-Identifier: BSD-3-Clause
.\"
.\" Copyright (c) 1980, 1991, 1993
.\" The Regents of the University of California. All rights reserved.
.\"
@ -56,7 +59,7 @@ the time used to execute the
process and the time consumed by system overhead.
.Pp
The following options are available:
.Bl -tag -width indent
.Bl -tag -width "-o file"
.It Fl a
If the
.Fl o
@ -143,8 +146,8 @@ file.
Then execute the command again to make a new copy and add the result to the same
file:
.Bd -literal -offset indent
$ /usr/bin/time -o times.txt cp FreeBSD-12.1-RELEASE-amd64-bootonly.iso copy1.iso
$ /usr/bin/time -a -o times.txt cp FreeBSD-12.1-RELEASE-amd64-bootonly.iso copy2.iso
$ /usr/bin/time -o times.txt cp source.iso copy1.iso
$ /usr/bin/time -a -o times.txt cp source.iso copy2.iso
.Ed
.Pp
The
@ -190,7 +193,8 @@ sys 0.00
.Sh STANDARDS
The
.Nm
utility is expected to conform to ISO/IEC 9945-2:1993 (``POSIX'').
utility is expected to conform to
.St -iso9945-2-93
.Sh HISTORY
A
.Nm