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c74415ed3b
freebsd-skq/sys
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Colin Percival c74415ed3b Skip setting the MTU in the netfront driver (xn# devices) if the new MTU 
is the same as the old MTU.  In particular, on Amazon EC2 "T2" instances
without this change, the network interface is reinitialized every 30
minutes due to the MTU being (re)set when a new DHCP lease is obtained,
causing packets to be dropped, along with annoying syslog messages about
the link state changing.

As a side note, the behaviour this commit fixes was responsible for
exposing the locking problems fixed via r318523 and r318631.

Maintainers of other network interface drivers may wish to consider making
the corresponding change; the handling of SIOCSIFMTU does not seem to
exhibit a great deal of consistency between drivers.

MFC after:	1 week
2017-06-02 07:03:31 +00:00
..
amd64 In r246085 some bits that are MI movied out into headers in compat/linux, 2017-05-28 08:46:57 +00:00
arm Enable wireless Atheros cards in ARMADA38X 2017-05-29 09:20:20 +00:00
arm64 Add COMPAT_FREEBSD11 on arm64, the arch is almost tier-1. 2017-05-23 13:57:55 +00:00
boot Small cleanup in dev_net.c 2017-05-28 21:20:55 +00:00
bsm Commit the 64-bit inode project. 2017-05-23 09:29:05 +00:00
cam Introduce Genesys GL3224 quirks 2017-05-29 09:22:53 +00:00
cddl zfs_lookup: fix bogus arguments to lookup of "snapshot" directory 2017-05-29 06:30:34 +00:00
compat Make sure the selrecord() function is only called from within system 2017-06-01 16:49:48 +00:00
conf Merge ACPICA 20170531. 2017-06-01 00:01:19 +00:00
contrib Merge ACPICA 20170531. 2017-06-01 00:01:19 +00:00
crypto Remove register keyword from sys/ and ANSIfy prototypes 2017-05-17 00:34:34 +00:00
ddb Remove register keyword from sys/ and ANSIfy prototypes 2017-05-17 00:34:34 +00:00
dev Skip setting the MTU in the netfront driver (xn# devices) if the new MTU 2017-06-02 07:03:31 +00:00
fs Add MD_VERIFY option to enable O_VERIFY in open for vnode type. 2017-05-31 21:18:11 +00:00
gdb
geom Add MD_VERIFY option to enable O_VERIFY in open for vnode type. 2017-05-31 21:18:11 +00:00
gnu [mips] [rt2880] Add oldest Ralink MIPS SOC RT2880 support code. 2017-05-06 06:20:34 +00:00
i386 Remove the BSD/OS 2.1 system call gate LDT entry. 2017-05-23 22:34:18 +00:00
isa Renumber copyright clause 4 2017-02-28 23:42:47 +00:00
kern mtx: fix whitespace damage in _mtx_trylock_flags_ 2017-05-30 02:25:47 +00:00
kgssapi
libkern Sync qsort.c with userland r318515. 2017-05-19 06:37:16 +00:00
mips [ar71xx] rename AR724X_BASE -> std.AR724X 2017-05-31 16:32:33 +00:00
modules Support for linux ext2fs posix-draft ACLs. 2017-05-28 15:39:11 +00:00
net Call VLAN_CAPABILITIES() when LAGG capabilities change. 2017-05-26 22:22:48 +00:00
net80211 net80211: initialize i_seq for A-MPDU frames. 2017-06-01 20:46:43 +00:00
netgraph Make cached Bluetooth LE host advertise information visible from userland. 2017-04-27 15:03:24 +00:00
netinet Improve comments to describe what the code does. 2017-06-01 15:11:18 +00:00
netinet6 Fix an unnecessary/incorrect check in the PKTOPT_EXTHDRCPY macro. 2017-05-30 14:50:28 +00:00
netipsec Build kdebug_secreplay() function only when IPSEC_DEBUG is defined. 2017-06-01 10:04:12 +00:00
netpfil Fix the queue delay estimation in PIE/FQ-PIE when the timestamp 2017-05-19 08:38:03 +00:00
netsmb
nfs Renumber copyright clause 4 2017-02-28 23:42:47 +00:00
nfsclient Add an NFSv4.1 mount option for "use one openowner". 2017-04-13 21:54:19 +00:00
nfsserver Renumber copyright clause 4 2017-02-28 23:42:47 +00:00
nlm Commit the 64-bit inode project. 2017-05-23 09:29:05 +00:00
ofed All these files need sys/vmmeter.h, but now they got it implicitly 2017-04-17 17:07:00 +00:00
opencrypto Use const with some read-only buffers in opencrypto APIs. 2017-05-09 18:28:42 +00:00
powerpc Add a driver for the Chelsio T6 crypto accelerator engine. 2017-05-17 22:13:07 +00:00
riscv Follow r317061 "Remove struct vmmeter from struct pcpu" 2017-04-19 17:06:32 +00:00
rpc * limit size of buffers to RPC_MAXDATASIZE 2017-06-01 06:12:25 +00:00
security Commit the 64-bit inode project. 2017-05-23 09:29:05 +00:00
sparc64 fix sparc64 build by restoring 'register' in pcpu.h 2017-05-17 16:32:24 +00:00
sys Add MD_VERIFY option to enable O_VERIFY in open for vnode type. 2017-05-31 21:18:11 +00:00
teken Oops, my fix for bright colors broke bright black some more (in cases 2017-03-27 10:48:28 +00:00
tests style(9): sort headers 2017-05-09 05:08:47 +00:00
tools Declare the "snd_fxdiv_table" once. This shaves around 24Kbytes of 2017-05-25 05:23:47 +00:00
ufs Remove spl() calls from UFS code. 2017-05-07 14:59:45 +00:00
vm As old prophecy says, some day UMA_DEBUG printfs shall be made CTRs. 2017-06-01 18:36:52 +00:00
x86 fix indentation 2017-05-30 13:53:03 +00:00
xdr * limit size of buffers to RPC_MAXDATASIZE 2017-06-01 06:12:25 +00:00
xen xenstore: fix suspension when using the xenstore device 2017-03-07 09:17:48 +00:00
Makefile Remove glimpse make target added in r181432 2017-05-22 15:53:30 +00:00