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freebsd-dev/sys
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Pyun YongHyeon e18783345a To send a frame, controller requires a prepended TX header and 
the length of frame should be treated as multiple of 4. Actual
frame length is set in the TX header. The TX header position
should be aligned on 4 byte boundary and actual frame start
position should be aligned on 4 byte boundary as well. This means
we need 4(TX header length) + 3(frame length fixup) additional free
space in TX buffer in addition to actual frame length.
Make sure TX handler check these additional bytes.
ae_tx_avail_size() returns actual free space in TX buffer to ease
the calculation of available TX buffer space in caller. While I'm
here, replace magic number to appropriate sizeof operator to
enhance readability.

This change should fix controller lockup issue happened under
certain conditions but it still does not fix watchdog timeout. It
seems the watchdog timeout is side-effect of TxS and TxD
mismatches. The root cause of TxD/TxD mismatch is not known yet but
it looks like silicon bug. I guess driver may have to reinitialize
controller whenever it sees TxS and TxD mismatches but leave it as
it was at this moment.

PR:	kern/145918
2011-11-11 19:15:32 +00:00
..
amd64 Weaken the part of assertions added in the r227394. Only check that the 2011-11-11 04:10:36 +00:00
arm Introduce the option VFS_ALLOW_NONMPSAFE and turn it on by default on 2011-11-08 10:18:07 +00:00
boot Revert some debugging printfs that crept into 223695. 2011-11-09 14:37:47 +00:00
bsm Add ECAPMODE, "Not permitted in capability mode", a new kernel errno 2011-03-01 13:14:28 +00:00
cam Mark all SYSCTL_NODEs static that have no corresponding SYSCTL_DECLs. 2011-11-07 15:43:11 +00:00
cddl Correct the types of the arguments to return probes of the syscall 2011-11-11 03:49:42 +00:00
compat struct timespec32: change types of tv_sec and tv_nsec fields to signed 2011-11-11 07:17:00 +00:00
conf Comment out TI_JUMBO_HDRSPLIT. TI_JUMBO_HDRSPLIT requires TI_SF_BUF_JUMBO. 2011-11-08 23:19:22 +00:00
contrib Add missing PF_UNLOCK in pf_test 2011-10-30 14:55:00 +00:00
crypto Update Copyright. 2011-10-27 14:15:26 +00:00
ddb Follow up to r225203 refining break-to-debugger run-time configuration 2011-08-27 14:24:27 +00:00
dev To send a frame, controller requires a prepended TX header and 2011-11-11 19:15:32 +00:00
fs Lock the thread lock around block that retrieves td_wmesg. Otherwise, 2011-11-09 17:15:51 +00:00
gdb Modify kdb_trap() so that it re-calls the dbbe_trap function as long as 2011-02-18 22:25:11 +00:00
geom Mark all SYSCTL_NODEs static that have no corresponding SYSCTL_DECLs. 2011-11-07 15:43:11 +00:00
gnu Mark all SYSCTL_NODEs static that have no corresponding SYSCTL_DECLs. 2011-11-07 15:43:11 +00:00
i386 Weaken the part of assertions added in the r227394. Only check that the 2011-11-11 04:10:36 +00:00
ia64 Introduce the option VFS_ALLOW_NONMPSAFE and turn it on by default on 2011-11-08 10:18:07 +00:00
isa Move VT switching hack for suspend/resume from bus drivers to syscons.c 2011-05-09 18:46:49 +00:00
kern Style. 2011-11-11 04:13:47 +00:00
kgssapi Add missing break statement to make sure all 3DES etypes really are treated 2011-10-10 09:13:07 +00:00
libkern Mark MALLOC_DEFINEs static that have no corresponding MALLOC_DECLAREs. 2011-11-07 06:44:47 +00:00
mips Introduce the option VFS_ALLOW_NONMPSAFE and turn it on by default on 2011-11-08 10:18:07 +00:00
modules Revert this previous commit for now - although this override unfortunately 2011-11-10 23:16:59 +00:00
net Mark all SYSCTL_NODEs static that have no corresponding SYSCTL_DECLs. 2011-11-07 15:43:11 +00:00
net80211 .. add missing include from an incorrect merge. 2011-11-08 14:34:01 +00:00
netatalk
netgraph Mark all SYSCTL_NODEs static that have no corresponding SYSCTL_DECLs. 2011-11-07 15:43:11 +00:00
netinet When loading addresses from INITs, always use the correct 2011-11-07 22:30:19 +00:00
netinet6 Fix false positive EADDRINUSE that could be returned by bind, due to 2011-11-11 14:09:09 +00:00
netipsec Add missing va_end() in an error case to clean up after va_start() 2011-10-07 21:00:26 +00:00
netipx Mark all SYSCTL_NODEs static that have no corresponding SYSCTL_DECLs. 2011-11-07 15:43:11 +00:00
netnatm
netncp Change ncp_scan_bindery_object() to pass a constant search string. 2011-10-16 08:44:03 +00:00
netsmb Mark MALLOC_DEFINEs static that have no corresponding MALLOC_DECLAREs. 2011-11-07 06:44:47 +00:00
nfs Mark MALLOC_DEFINEs static that have no corresponding MALLOC_DECLAREs. 2011-11-07 06:44:47 +00:00
nfsclient Merge 220876, 220877, and 221537 from the new NFS client to the old: 2011-08-09 15:29:58 +00:00
nfsserver Fix the NFS servers so that they can do a Lookup of "..", 2011-09-03 00:28:53 +00:00
nlm Mark all SYSCTL_NODEs static that have no corresponding SYSCTL_DECLs. 2011-11-07 15:43:11 +00:00
ofed Mark all SYSCTL_NODEs static that have no corresponding SYSCTL_DECLs. 2011-11-07 15:43:11 +00:00
opencrypto Add the fo_chown and fo_chmod methods to struct fileops and use them 2011-08-16 20:07:47 +00:00
pc98 Introduce the option VFS_ALLOW_NONMPSAFE and turn it on by default on 2011-11-08 10:18:07 +00:00
pci - Import the common MII bitbang'ing code from NetBSD and convert drivers to 2011-11-01 16:13:59 +00:00
powerpc Fix a bug where the pmap_cpu_bootstrap() ap argument could be clobbered. 2011-11-09 13:48:23 +00:00
rpc Both a crash reported on freebsd-current on Oct. 18 under the 2011-11-03 14:38:03 +00:00
security Mark all SYSCTL_NODEs static that have no corresponding SYSCTL_DECLs. 2011-11-07 15:43:11 +00:00
sparc64 Introduce the option VFS_ALLOW_NONMPSAFE and turn it on by default on 2011-11-08 10:18:07 +00:00
sys Assert that _PRELE() is done for the held process. 2011-11-09 17:13:41 +00:00
teken Link the demo application against ncursesw to make Unicode work. 2011-10-13 14:20:27 +00:00
tools Restore the comment that I removed by accident. 2011-11-09 13:26:59 +00:00
ufs Use implementation independent inoNN_t scalars for on-disk UFS structures 2011-11-09 07:48:48 +00:00
vm Mark all SYSCTL_NODEs static that have no corresponding SYSCTL_DECLs. 2011-11-07 15:43:11 +00:00
x86 Mark all SYSCTL_NODEs static that have no corresponding SYSCTL_DECLs. 2011-11-07 15:43:11 +00:00
xdr
xen Properly handle suspend/resume events in the Xen device 2011-09-20 23:44:34 +00:00
Makefile Include sys/xen in cscope tag file generation. 2011-06-10 20:51:41 +00:00