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818951afd8
freebsd/sys
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Pyun YongHyeon 818951afd8 It seems that RealTek PCIe controllers require an explicit Tx poll 
command whenever Tx completion interrupt is raised. The Tx poll
bit is cleared when all packets waiting to be transferred have been
processed. This means the second Tx poll command can be silently
ignored as the Tx poll bit could be still active while processing
of previous Tx poll command is in progress.
To address the issue re(4) used to invoke the Tx poll command in Tx
completion handler whenever it detects there are pending packets in
TxQ. However that still does not seem to completely eliminate
watchdog timeouts seen on RealTek PCIe controllers. To fix the
issue kick Tx poll command only after Tx completion interrupt is
raised as this would indicate Tx is now idle state such that it can
accept new Tx poll command again. While here apply this workaround
for PCIe based controllers as other controllers does not seem to
have this limitation.

Tested by:	Victor Balada Diaz < victor <> bsdes DOT net >
2008-12-17 08:18:11 +00:00
..
amd64 AT_DEBUG and AT_BRK were OBE like 10 years ago, so retire them. 2008-12-17 06:56:58 +00:00
arm AT_DEBUG and AT_BRK were OBE like 10 years ago, so retire them. 2008-12-17 06:56:58 +00:00
boot Disconnect the efi from pc98. It's not needed. 2008-12-14 02:57:41 +00:00
bsm Merge OpenBSM 1.1 alpha 2 from the OpenBSM vendor branch to head, both 2008-12-02 23:26:43 +00:00
cam Fix locking in periph drivers - don't try to unlock periph 2008-12-16 17:01:52 +00:00
cddl Put the MIPS support back in after it was removed in r185029. 2008-12-04 16:31:08 +00:00
compat Reference the vmspace of the process being inspected by procfs, linprocfs 2008-12-12 12:12:36 +00:00
conf Adapt parts of the sparc64 Open Firmware bus enumeration code (in particular, 2008-12-15 15:31:10 +00:00
contrib This main goals of this project are: 2008-12-15 06:10:57 +00:00
crypto Avoid 256 integer divisions per rc4_init() call. Replace it with using 2008-12-16 13:58:37 +00:00
ddb Collect N identical (or near identical) mkdumpheader() implementations into 2008-10-01 22:08:53 +00:00
dev It seems that RealTek PCIe controllers require an explicit Tx poll 2008-12-17 08:18:11 +00:00
fs According to phk@, VOP_STRATEGY should never, _ever_, return 2008-12-16 21:13:11 +00:00
gdb Commit SYSINIT() ;-adding patch missed in previous pass. 2008-03-16 13:02:04 +00:00
geom Implement g_vfs_orphan(). Without it, the filesystem never closes 2008-12-16 17:04:52 +00:00
gnu According to phk@, VOP_STRATEGY should never, _ever_, return 2008-12-16 21:13:11 +00:00
i386 AT_DEBUG and AT_BRK were OBE like 10 years ago, so retire them. 2008-12-17 06:56:58 +00:00
ia64 AT_DEBUG and AT_BRK were OBE like 10 years ago, so retire them. 2008-12-17 06:56:58 +00:00
isa Allow device hints to wire the unit numbers of devices. 2008-11-18 21:01:54 +00:00
kern 1) Fix a deadlock in the VFS: 2008-12-16 23:16:10 +00:00
kgssapi Call svc_freereq() before returning from the service proc. 2008-11-12 15:31:05 +00:00
libkern Add simple locking for the in-kernel iconv code. Translation operations 2008-12-05 21:19:24 +00:00
mips AT_DEBUG and AT_BRK were OBE like 10 years ago, so retire them. 2008-12-17 06:56:58 +00:00
modules This main goals of this project are: 2008-12-15 06:10:57 +00:00
net Keep stats in drbr_enqueue 2008-12-17 08:12:50 +00:00
net80211 fix comment 2008-12-16 01:17:36 +00:00
netatalk Retire the MALLOC and FREE macros. They are an abomination unto style(9). 2008-10-23 15:53:51 +00:00
netgraph Unroll two loops of SHA1Update(). 60 bytes of static memory is not a price. 2008-12-16 19:15:31 +00:00
netinet default to doing lla_lookup with shared afdata lock and returning a 2008-12-17 00:14:28 +00:00
netinet6 * Compare pointer with NULL 2008-12-16 23:56:24 +00:00
netipsec Another step assimilating IPv[46] PCB code - directly use 2008-12-15 21:50:54 +00:00
netipx Add missing "goto set_head" for SO_IPX_CHECKSUM; otherwise we fall through 2008-12-11 10:29:35 +00:00
netnatm Retire the MALLOC and FREE macros. They are an abomination unto style(9). 2008-10-23 15:53:51 +00:00
netncp Retire the MALLOC and FREE macros. They are an abomination unto style(9). 2008-10-23 15:53:51 +00:00
netsmb Implement device cloning for /dev/nsmb, the netsmb control pseudo-device. 2008-11-03 14:23:15 +00:00
nfs Replaced the misleading uses of a historical artefact M_TRYWAIT with M_WAIT. 2008-03-25 09:39:02 +00:00
nfs4client Introduce accmode_t. This is required for NFSv4 ACLs - it will be neccessary 2008-10-28 13:44:11 +00:00
nfsclient Rather than using hidden includes (with cicular dependencies), 2008-12-02 21:37:28 +00:00
nfsserver Handle VFS_VGET() failing with an error other than EOPNOTSUPP in addition 2008-12-16 04:34:09 +00:00
nlm Don't call svc_freereq() before svc_freeargs(). 2008-11-12 15:30:30 +00:00
opencrypto Don't hang if encrypting/decrypting using struct iovecs where one of the 2008-10-30 16:11:07 +00:00
pc98 Remove "[KEEP THIS!]" from COMPAT_43TTY. It's not really that important. 2008-12-02 19:09:08 +00:00
pccard
pci It seems that RealTek PCIe controllers require an explicit Tx poll 2008-12-17 08:18:11 +00:00
powerpc AT_DEBUG and AT_BRK were OBE like 10 years ago, so retire them. 2008-12-17 06:56:58 +00:00
rpc Add a missing call to mtx_destroy(). 2008-11-12 12:21:18 +00:00
security Merge OpenBSM 1.1 alpha 2 from the OpenBSM vendor branch to head, both 2008-12-02 23:26:43 +00:00
sparc64 AT_DEBUG and AT_BRK were OBE like 10 years ago, so retire them. 2008-12-17 06:56:58 +00:00
sun4v AT_DEBUG and AT_BRK were OBE like 10 years ago, so retire them. 2008-12-17 06:56:58 +00:00
sys merge in 2 buf_ring helper routines for enqueueing and freeing buf_rings 2008-12-17 04:00:43 +00:00
tools Remove some unused and broken code that attempted to not invoke locking 2008-11-03 19:57:40 +00:00
ufs According to phk@, VOP_STRATEGY should never, _ever_, return 2008-12-16 21:13:11 +00:00
vm Instead of forcing vn_start_write() to reset mp back to NULL for the 2008-11-16 21:57:54 +00:00
xdr Use the remote address for access control, not the local address. This fixes 2008-11-13 14:36:52 +00:00
xen Integrate 185578 from dfr 2008-12-04 07:59:05 +00:00
Makefile Improve the glimpse target: don't index .svn and compile directories. 2008-08-15 14:11:30 +00:00