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Kristof Provost 56b7685ae3 pf: handle IPv6 fragmentation for route-to 
If a fragmented IPv6 packet hits a route-to rule we have to first prevent
the pf_test(PF_OUT) check in pf_route6() from refragmenting (and calling
ip6_output()/ip6_forward()). We then have to refragment in pf_route6() and
transmit the packets on the route-to interface.

Split pf_refragment6() into two parts, the first to perform the refragmentation,
the second to call ip6_output()/ip6_forward() and call the former from
pf_route6().

Add a test case for route-to-ing fragmented IPv6 packets to verify this works
as expected.

Sponsored by:	Rubicon Communications, LLC ("Netgate")
Differential Revision:	https://reviews.freebsd.org/D47684
2024-11-26 15:06:52 +01:00
..
altq altq: Stop checking for failures from malloc(M_WAITOK) 2024-09-03 18:25:19 +08:00
route Fix failure to add an interface prefix route when route with the same 2024-11-12 23:36:50 +00:00
bpf_buffer.c sys: Remove ancient SCCS tags. 2023-11-26 22:23:30 -07:00
bpf_buffer.h sys: Remove $FreeBSD$: two-line .h pattern 2023-08-16 11:54:11 -06:00
bpf_filter.c sys: Automated cleanup of cdefs and other formatting 2023-11-26 22:24:00 -07:00
bpf_jitter.c sys: Remove $FreeBSD$: one-line .c pattern 2023-08-16 11:54:36 -06:00
bpf_jitter.h sys: Remove $FreeBSD$: two-line .h pattern 2023-08-16 11:54:11 -06:00
bpf_zerocopy.c sys: Remove $FreeBSD$: one-line .c pattern 2023-08-16 11:54:36 -06:00
bpf_zerocopy.h sys: Remove $FreeBSD$: two-line .h pattern 2023-08-16 11:54:11 -06:00
bpf.c bpf: Some style and white space cleanup 2024-09-20 18:06:22 +08:00
bpf.h bpf: Some style and white space cleanup 2024-09-20 18:06:22 +08:00
bpfdesc.h sys: Remove ancient SCCS tags. 2023-11-26 22:23:30 -07:00
bridgestp.c sys: Automated cleanup of cdefs and other formatting 2023-11-26 22:24:00 -07:00
bridgestp.h sys: Remove $FreeBSD$: two-line .h pattern 2023-08-16 11:54:11 -06:00
debugnet_inet.c sys: Remove $FreeBSD$: one-line .c pattern 2023-08-16 11:54:36 -06:00
debugnet_int.h sys: Remove $FreeBSD$: two-line .h pattern 2023-08-16 11:54:11 -06:00
debugnet.c debugnet: Use precise types when accessing mbuf contents 2024-10-11 13:23:25 +00:00
debugnet.h sys: Remove $FreeBSD$: two-line .h pattern 2023-08-16 11:54:11 -06:00
dlt.h sys: Remove ancient SCCS tags. 2023-11-26 22:23:30 -07:00
dummymbuf.c dummymbuf: Explicitly include if_private.h 2024-11-13 14:30:58 -05:00
ethernet.h ethernet: Retire M_HASFCS 2024-07-05 00:53:51 +08:00
firewire.h sys: Remove $FreeBSD$: two-line .h pattern 2023-08-16 11:54:11 -06:00
ieee8023ad_lacp.c net: if_media for 1000Base-BX BiDi 2024-11-12 22:27:32 -07:00
ieee8023ad_lacp.h sys: Remove $FreeBSD$: two-line .h pattern 2023-08-16 11:54:11 -06:00
ieee_oui.h sys: Remove $FreeBSD$: two-line .h pattern 2023-08-16 11:54:11 -06:00
if_arp.h Support ARP for 802 networks 2024-04-23 12:30:53 -04:00
if_bridge.c if_bridge: Mask MEXTPG if some members don't support it 2024-10-28 15:14:21 +00:00
if_bridgevar.h sys: Remove $FreeBSD$: two-line .h pattern 2023-08-16 11:54:11 -06:00
if_clone.c if_clone: Allow maxunit to be zero 2024-07-03 21:14:08 +08:00
if_clone.h if_clone: Allow maxunit to be zero 2024-07-03 21:14:08 +08:00
if_dead.c sys: Automated cleanup of cdefs and other formatting 2023-11-26 22:24:00 -07:00
if_disc.c net: Remove unneeded NULL check for the allocated ifnet 2024-06-28 18:16:29 +08:00
if_dl.h sys: Remove ancient SCCS tags. 2023-11-26 22:23:30 -07:00
if_edsc.c net: Remove unneeded NULL check for the allocated ifnet 2024-06-28 18:16:29 +08:00
if_enc.c if_enc(4): Use new KPI to create enc interface 2024-10-12 21:37:53 +08:00
if_enc.h sys: Remove $FreeBSD$: two-line .h pattern 2023-08-16 11:54:11 -06:00
if_epair.c net: Remove unneeded NULL check for the allocated ifnet 2024-06-28 18:16:29 +08:00
if_ethersubr.c ethernet: Retire M_HASFCS 2024-07-05 00:53:51 +08:00
if_fwsubr.c net: bandaid for plugging a fw_com leak in fwip_detach() 2024-02-15 01:00:49 +00:00
if_gif.c bpf: Make BPF interop consistent with if_loop 2024-04-19 14:48:37 -04:00
if_gif.h sys: Remove $FreeBSD$: one-line .c comment pattern 2023-08-16 11:54:24 -06:00
if_gre.c bpf: Make BPF interop consistent with if_loop 2024-04-19 14:48:37 -04:00
if_gre.h sys: Remove $FreeBSD$: one-line .h pattern 2023-08-16 11:54:18 -06:00
if_infiniband.c sys: Automated cleanup of cdefs and other formatting 2023-11-26 22:24:00 -07:00
if_ipsec.c ipsec_output(): add mtu argument 2024-07-12 06:29:31 +03:00
if_ipsec.h sys: Remove $FreeBSD$: two-line .h pattern 2023-08-16 11:54:11 -06:00
if_lagg.c net/if_lagg.c: remove stray include is sys/cdefs.h 2024-08-20 15:42:13 +03:00
if_lagg.h sys: Remove $FreeBSD$: two-line .h pattern 2023-08-16 11:54:11 -06:00
if_llatbl.c if_llatbl: Fix a typo in a KASSERT message 2024-01-20 21:00:22 +01:00
if_llatbl.h sys: Remove $FreeBSD$: one-line .c pattern 2023-08-16 11:54:36 -06:00
if_llc.h sys: Remove ancient SCCS tags. 2023-11-26 22:23:30 -07:00
if_loop.c net: Remove unneeded NULL check for the allocated ifnet 2024-06-28 18:16:29 +08:00
if_me.c bpf: Make BPF interop consistent with if_loop 2024-04-19 14:48:37 -04:00
if_media.c sys: Remove $FreeBSD$: one-line .c pattern 2023-08-16 11:54:36 -06:00
if_media.h net: if_media for 1000Base-BX BiDi 2024-11-12 22:27:32 -07:00
if_mib.c sys: Remove $FreeBSD$: two-line .h pattern 2023-08-16 11:54:11 -06:00
if_mib.h sys: Remove $FreeBSD$: two-line .h pattern 2023-08-16 11:54:11 -06:00
if_ovpn.c if_ovpn: declare our dependency on the crypto module 2024-09-12 19:32:05 +02:00
if_ovpn.h spdx: The BSD-2-Clause-FreeBSD identifier is obsolete, drop -FreeBSD 2023-05-12 10:44:03 -06:00
if_pflog.h pf: move the mbuf into struct pf_pdesc too 2024-10-10 14:10:42 +02:00
if_pfsync.h sys: Remove $FreeBSD$: one-line .h pattern 2023-08-16 11:54:18 -06:00
if_private.h sys/net: Add IPSEC_OFFLOAD interface cap and methods structure 2024-07-12 06:29:32 +03:00
if_stf.c net: Remove unneeded NULL check for the allocated ifnet 2024-06-28 18:16:29 +08:00
if_stf.h if_stf: make if_stf.h self-contained 2021-12-17 12:38:34 +01:00
if_strings.h sys/net: Add IPSEC_OFFLOAD interface cap and methods structure 2024-07-12 06:29:32 +03:00
if_tap.h sys: Remove $FreeBSD$: one-line .h pattern 2023-08-16 11:54:18 -06:00
if_tun.h sys: Remove $FreeBSD$: two-line .h pattern 2023-08-16 11:54:11 -06:00
if_tuntap.c if_tuntap: Enable MEXTPG support 2024-10-28 15:14:36 +00:00
if_types.h sys: Remove ancient SCCS tags. 2023-11-26 22:23:30 -07:00
if_var.h IfAPI: Remove temporary inclusion of if_private.h 2024-11-13 14:31:20 -05:00
if_vlan_var.h sys: Remove $FreeBSD$: two-line .h pattern 2023-08-16 11:54:11 -06:00
if_vlan.c if_vlan: Stop checking for failures from malloc(M_WAITOK) 2024-09-03 18:25:19 +08:00
if_vxlan.c if_vxlan(4): Plug a memory leak 2024-07-02 12:57:02 +08:00
if_vxlan.h sys: Remove $FreeBSD$: two-line .h pattern 2023-08-16 11:54:11 -06:00
if.c ifnet: Assert that we are assigning network stack correctly 2024-10-22 12:32:24 +08:00
if.h ifnet: Add handling for toggling IFF_ALLMULTI in ifhwioctl() 2024-09-06 16:58:44 +00:00
ifdi_if.m iflib: invert default restart on VLAN changes 2023-08-24 13:48:19 -07:00
iflib.c iflib: Make iflib_stop() static 2024-10-07 22:19:02 +08:00
iflib.h iflib: Add subinterface interrupt allocation function 2024-04-18 16:14:02 -07:00
ifq.c sys: Remove ancient SCCS tags. 2023-11-26 22:23:30 -07:00
ifq.h sys: Remove ancient SCCS tags. 2023-11-26 22:23:30 -07:00
infiniband.h sys: Remove $FreeBSD$: two-line .h pattern 2023-08-16 11:54:11 -06:00
mp_ring.c sys: Automated cleanup of cdefs and other formatting 2023-11-26 22:24:00 -07:00
mp_ring.h sys: Remove $FreeBSD$: two-line .h pattern 2023-08-16 11:54:11 -06:00
mppc.h sys: Remove $FreeBSD$: two-line .h pattern 2023-08-16 11:54:11 -06:00
mppcc.c sys: Remove $FreeBSD$: two-line .h pattern 2023-08-16 11:54:11 -06:00
mppcd.c sys: Remove $FreeBSD$: two-line .h pattern 2023-08-16 11:54:11 -06:00
netisr_internal.h sys: Remove $FreeBSD$: two-line .h pattern 2023-08-16 11:54:11 -06:00
netisr.c netisr: avoid ffs(0) 2024-07-26 11:51:17 -05:00
netisr.h sys: Remove $FreeBSD$: two-line .h pattern 2023-08-16 11:54:11 -06:00
netmap_legacy.h sys: Remove $FreeBSD$: one-line .h pattern 2023-08-16 11:54:18 -06:00
netmap_user.h sys: Remove $FreeBSD$: one-line .h pattern 2023-08-16 11:54:18 -06:00
netmap_virt.h sys: Remove $FreeBSD$: two-line .h pattern 2023-08-16 11:54:11 -06:00
netmap.h sys: Remove $FreeBSD$: one-line .h pattern 2023-08-16 11:54:18 -06:00
paravirt.h sys: Remove $FreeBSD$: one-line .h pattern 2023-08-16 11:54:18 -06:00
pfil.c pfil: PFIL_PASS never frees the mbuf 2024-01-29 14:10:19 +01:00
pfil.h sys: Remove $FreeBSD$: one-line .c comment pattern 2023-08-16 11:54:24 -06:00
pfkeyv2.h sys/pfkeyv2.h: define extensions for ipsec inline accel control 2024-07-12 06:29:31 +03:00
pflow.h pflow: show socket status in verbose mode 2024-01-25 17:37:51 +01:00
pfvar.h pf: handle IPv6 fragmentation for route-to 2024-11-26 15:06:52 +01:00
ppp_defs.h sys: Remove $FreeBSD$: two-line .h pattern 2023-08-16 11:54:11 -06:00
radix.c sys: Remove ancient SCCS tags. 2023-11-26 22:23:30 -07:00
radix.h sys: Remove ancient SCCS tags. 2023-11-26 22:23:30 -07:00
rndis.h net: Fix typo (triple S) 2023-12-27 20:24:32 -07:00
route.c net: route: convert routing statistics to a sysctl 2024-10-23 22:15:55 -05:00
route.h net: route: convert routing statistics to a sysctl 2024-10-23 22:15:55 -05:00
rss_config.c sys: Remove $FreeBSD$: two-line .c pattern 2023-08-16 11:54:30 -06:00
rss_config.h sys: Remove $FreeBSD$: two-line .h pattern 2023-08-16 11:54:11 -06:00
rtsock.c rtsock: fix panic in rtsock_msg_buffer() 2024-11-18 14:12:42 -08:00
sff8436.h sys: Remove $FreeBSD$: two-line .h pattern 2023-08-16 11:54:11 -06:00
sff8472.h sys: Remove $FreeBSD$: two-line .h pattern 2023-08-16 11:54:11 -06:00
slcompress.c sys: Remove ancient SCCS tags. 2023-11-26 22:23:30 -07:00
slcompress.h sys: Remove $FreeBSD$: one-line .h pattern 2023-08-16 11:54:18 -06:00
toeplitz.c sys: Automated cleanup of cdefs and other formatting 2023-11-26 22:24:00 -07:00
toeplitz.h sys: Remove $FreeBSD$: two-line .h pattern 2023-08-16 11:54:11 -06:00
vnet.c vnet: (read) lock the vnet list while iterating it 2023-12-07 13:34:47 +01:00
vnet.h vnet: remove unneeded backslash 2024-03-15 12:17:04 -07:00