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1feeff48a5
freebsd-skq/sys/netinet6
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bz 1feeff48a5 netinet*: replace IP6_EXTHDR_GET() 
In a few places we have IP6_EXTHDR_GET() left in upper layer protocols.
The IP6_EXTHDR_GET() macro might perform an m_pulldown() in case the data
fragment is not contiguous.

Convert these last remaining instances into m_pullup()s instead.
In CARP, for example, we will a few lines later call m_pullup() anyway,
the IPsec code coming from OpenBSD would otherwise have done the m_pullup()
and are copying the data a bit later anyway, so pulling it in seems no
better or worse.

Note: this leaves very few m_pulldown() cases behind in the tree and we
might want to consider removing them as well to make mbuf management
easier again on a path to variable size mbufs, especially given
m_pulldown() still has an issue not re-checking M_WRITEABLE().

Reviewed by:	gallatin
MFC after:	8 weeks
Sponsored by:	Netflix
Differential Revision:	https://reviews.freebsd.org/D22335
2019-11-15 21:44:17 +00:00
..
dest6.c netinet6: Remove PULLDOWN_TESTs. 2019-11-15 21:40:40 +00:00
frag6.c netinet6: Remove PULLDOWN_TESTs. 2019-11-15 21:40:40 +00:00
icmp6.c netinet6: Remove PULLDOWN_TESTs. 2019-11-15 21:40:40 +00:00
icmp6.h
in6_cksum.c sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
in6_fib.c Switch RIB and RADIX_NODE_HEAD lock from rwlock(9) to rmlock(9). 2018-06-16 08:26:23 +00:00
in6_fib.h
in6_gif.c Add the check that current VNET is ready and access to srchash is allowed. 2018-10-23 13:11:45 +00:00
in6_ifattach.c Don't cover in6_ifattach() with network epoch, as it may call into 2019-10-13 04:25:16 +00:00
in6_ifattach.h sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
in6_jail.c Move most of the contents of opt_compat.h to opt_global.h. 2018-04-06 17:35:35 +00:00
in6_mcast.c Widen NET_EPOCH coverage. 2019-10-07 22:40:05 +00:00
in6_pcb.c It is unclear why in6_pcblookup_local() would require write access 2019-11-11 06:28:25 +00:00
in6_pcb.h IPv6 cleanup: kernel 2019-08-02 07:41:36 +00:00
in6_pcbgroup.c sys: general adoption of SPDX licensing ID tags. 2017-11-27 15:23:17 +00:00
in6_proto.c frag6.c: move variables and sysctls into local file 2019-08-02 10:29:53 +00:00
in6_rmx.c Use the new VNET_DEFINE_STATIC macro when we are defining static VNET 2018-07-24 16:35:52 +00:00
in6_rss.c
in6_rss.h
in6_src.c IPv6 cleanup: kernel 2019-08-02 07:41:36 +00:00
in6_var.h Widen NET_EPOCH coverage. 2019-10-07 22:40:05 +00:00
in6.c in6ifa_llaonifp() is never called from fast path, so do not require 2019-10-14 15:33:53 +00:00
in6.h Convert all IPv4 and IPv6 multicast memberships into using a STAILQ 2019-06-25 11:54:41 +00:00
ip6_ecn.h sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
ip6_fastfwd.c New pfil(9) KPI together with newborn pfil API and control utility. 2019-01-31 23:01:03 +00:00
ip6_forward.c Add a missing include of opt_sctp.h. 2019-10-12 22:58:33 +00:00
ip6_gre.c Add GRE-in-UDP encapsulation support as defined in RFC8086. 2019-04-24 09:05:45 +00:00
ip6_id.c ip6_randomflowlabel: Avoid blocking if random(4) is not available 2019-04-23 17:18:20 +00:00
ip6_input.c netinet6: Remove PULLDOWN_TESTs. 2019-11-15 21:40:40 +00:00
ip6_mroute.c netinet6: Remove PULLDOWN_TESTs. 2019-11-15 21:40:40 +00:00
ip6_mroute.h sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
ip6_output.c ip6_output() has a complex set of gotos, and some can jump out of 2019-10-09 17:02:28 +00:00
ip6_var.h frag6: replace KAME hand-rolled queues with queue(9) TAILQs 2019-10-23 23:01:18 +00:00
ip6.h
ip6protosw.h sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
ip_fw_nat64.h Reapply r345274 with build fixes for 32-bit architectures. 2019-03-19 10:57:03 +00:00
ip_fw_nptv6.h Add ability to use dynamic external prefix in ipfw_nptv6 module. 2018-11-12 11:20:59 +00:00
mld6_var.h Fix refcounting leaks in IPv6 MLD code leading to loss of IPv6 2019-01-24 08:34:13 +00:00
mld6.c netinet6: Remove PULLDOWN_TESTs. 2019-11-15 21:40:40 +00:00
mld6.h sys: general adoption of SPDX licensing ID tags. 2017-11-27 15:23:17 +00:00
nd6_nbr.c netinet6: Remove PULLDOWN_TESTs. 2019-11-15 21:40:40 +00:00
nd6_rtr.c netinet6: Remove PULLDOWN_TESTs. 2019-11-15 21:40:40 +00:00
nd6.c nd6: simplify code 2019-11-15 13:45:38 +00:00
nd6.h nd6: remove unused structs and defines 2019-11-13 14:28:07 +00:00
pim6_var.h Rework IP encapsulation handling code. 2018-06-05 20:51:01 +00:00
pim6.h sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
raw_ip6.c Remove unnecessary recursive epoch enter via INP_INFO_RLOCK 2019-11-07 20:40:44 +00:00
raw_ip6.h sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
route6.c netinet6: Remove PULLDOWN_TESTs. 2019-11-15 21:40:40 +00:00
scope6_var.h Constify argument of in6_getscope(). 2018-06-05 20:54:29 +00:00
scope6.c Mechanical cleanup of epoch(9) usage in network stack. 2019-01-09 01:11:19 +00:00
sctp6_usrreq.c netinet*: replace IP6_EXTHDR_GET() 2019-11-15 21:44:17 +00:00
sctp6_var.h Whitespace changes due to changes in ident. 2018-07-19 20:16:33 +00:00
send.c Use the new VNET_DEFINE_STATIC macro when we are defining static VNET 2018-07-24 16:35:52 +00:00
send.h sys: general adoption of SPDX licensing ID tags. 2017-11-27 15:23:17 +00:00
tcp6_var.h sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
udp6_usrreq.c netinet6: Remove PULLDOWN_TESTs. 2019-11-15 21:40:40 +00:00
udp6_var.h sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00