system/freebsd-src
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freebsd-src/sys
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Alexander V. Chernikov 7f948f12f6 Finish r274175: do control plane MTU tracking. 
Update route MTU in case of ifnet MTU change.
Add new RTF_FIXEDMTU to track explicitly specified MTU.

Old behavior:
ifconfig em0 mtu 1500->9000 -> all routes traversing em0 do not change MTU.
User has to manually update all routes.
ifconfig em0 mtu 9000->1500 -> all routes traversing em0 do not change MTU.
However, if ip[6]_output finds route with rt_mtu > interface mtu, rt_mtu
gets updated.

New behavior:
ifconfig em0 mtu 1500->9000 -> all interface routes in all fibs gets updated
with new MTU unless RTF_FIXEDMTU flag set on them.
ifconfig em0 mtu 9000->1500 -> all routes in all fibs gets updated with new
MTU unless RTF_FIXEDMTU flag set on them AND rt_mtu is less than ifp mtu.

route add ... -mtu XXX automatically sets RTF_FIXEDMTU flag.
route change .. -mtu 0 automatically removes RTF_FIXEDMTU flag.

PR:		194238
MFC after:	1 month
CR:		D1125
2014-11-17 01:05:29 +00:00
..
amd64 Enable the use of VM_PHYSSEG_SPARSE on amd64 and i386, making it the default 2014-11-15 23:40:44 +00:00
arm No functional changes. Remove a couple outdated or inane comments and 2014-11-16 21:39:56 +00:00
boot MFi386: r274398 2014-11-15 03:34:34 +00:00
bsm
cam Fix check for vendor-specific peripheral qualifier. 2014-11-13 18:15:05 +00:00
cddl Remove the no-at variants of the kern_xx() syscall helpers. E.g., we 2014-11-13 18:01:51 +00:00
compat Remove the no-at variants of the kern_xx() syscall helpers. E.g., we 2014-11-13 18:01:51 +00:00
conf Automate options INET/INET6 turning into MK_$opt_SUPPORT 2014-11-14 21:10:45 +00:00
contrib krping: In verbose mode print only first 128 bytes of krping data. 2014-10-27 22:41:55 +00:00
crypto Fix gcc build: preserve const qualifier when casting input values. 2014-11-11 13:37:28 +00:00
ddb
dev Fix r273112: do not turn DROP_EN by default. 2014-11-16 18:08:00 +00:00
fs ifdef ext2_print_inode which is not really used. 2014-11-12 16:23:56 +00:00
gdb
geom Add missing privilege check when setting the dump device. Before that change it 2014-11-11 04:48:09 +00:00
gnu
i386 Enable the use of VM_PHYSSEG_SPARSE on amd64 and i386, making it the default 2014-11-15 23:40:44 +00:00
isa
kern prevent doing filter ops locking for staticly compiled filter ops... 2014-11-16 01:18:41 +00:00
kgssapi Avoid dynamic syscall overhead for statically compiled modules. 2014-10-26 19:42:44 +00:00
libkern Add a complete implementation of MurmurHash3. Tweak both implementations 2014-10-18 22:15:11 +00:00
mips Renove faith(4) and faithd(8) from base. It looks like industry 2014-11-09 21:33:01 +00:00
modules Automate options INET/INET6 turning into MK_$opt_SUPPORT 2014-11-14 21:10:45 +00:00
net Finish r274175: do control plane MTU tracking. 2014-11-17 01:05:29 +00:00
net80211 Fix multiple incorrect SYSCTL arguments in the kernel: 2014-10-21 07:31:21 +00:00
netgraph In preparation of merging projects/sendfile, transform bare access to 2014-11-12 09:57:15 +00:00
netinet Finish r274175: do control plane MTU tracking. 2014-11-17 01:05:29 +00:00
netinet6 Finish r274175: do control plane MTU tracking. 2014-11-17 01:05:29 +00:00
netipsec Count statistics for the specific address family. 2014-11-13 12:58:33 +00:00
netnatm
netpfil Finish r274315: remove union 'u' from struct pf_send_entry. 2014-11-09 17:01:54 +00:00
netsmb
nfs Avoid dynamic syscall overhead for statically compiled modules. 2014-10-26 19:42:44 +00:00
nfsclient Follow up to r225617. In order to maximize the re-usability of kernel code 2014-10-16 18:04:43 +00:00
nfsserver
nlm Avoid dynamic syscall overhead for statically compiled modules. 2014-10-26 19:42:44 +00:00
ofed In preparation of merging projects/sendfile, transform bare access to 2014-11-12 09:57:15 +00:00
opencrypto
pc98 Renove faith(4) and faithd(8) from base. It looks like industry 2014-11-09 21:33:01 +00:00
powerpc Renove faith(4) and faithd(8) from base. It looks like industry 2014-11-09 21:33:01 +00:00
rpc In preparation of merging projects/sendfile, transform bare access to 2014-11-12 09:57:15 +00:00
security
sparc64 Renove faith(4) and faithd(8) from base. It looks like industry 2014-11-09 21:33:01 +00:00
sys prevent doing filter ops locking for staticly compiled filter ops... 2014-11-16 01:18:41 +00:00
teken
tools
ufs When non-forced unmount or remount rw->ro is performed, writes on UFS 2014-11-02 13:14:55 +00:00
vm Enable the use of VM_PHYSSEG_SPARSE on amd64 and i386, making it the default 2014-11-15 23:40:44 +00:00
x86 MFamd64: Add support for extended FPU states on i386. This includes 2014-11-02 22:58:30 +00:00
xdr
xen xen: implement the privcmd user-space device 2014-10-22 17:07:20 +00:00
Makefile