| Commit message (Collapse) | Author | Age | Files | Lines |
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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
Notes:
svn path=/stable/7/; revision=229523
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- Let mii_phy_add_media() also announce the support of IFM_NONE.
- Add a PHY-specific reset routine is for lxtphy(4) which disables MII
interrupts.
- Remove redundant checks in NIC drivers for mii->mii_instance not being
zero before calling the reset routines because as soon as one PHY driver
attaches mii->mii_instance is incremented and we hardly can end up in
their media change callbacks etc if no PHY driver has attached as
mii_attach() would have failed in that case and not attach a miibus(4)
instance.
- Convert the mebers of the MII data structure to unsigned where
appropriate. This is partly inspired by NetBSD/OpenBSD.
- Add MIIF_NOMANPAUSE and mii_phy_flowstatus() calls to drivers that
weren't explicitly converted to support flow control before. It's
unclear whether flow control actually works with these but typically
it should and their net behavior should be more correct with these
changes in place than without if the MAC driver sets MIIF_DOPAUSE.
Obtained from: NetBSD (partially)
Notes:
svn path=/stable/7/; revision=225490
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r216925:
Add a 'locked' variant of the foo_start() routine and call it directly
from interrupt handlers and watchdog routines instead of queueing a task
to call foo_start().
r217331:
Make sure to invoke unlocked foo_start since the taskqueue does not
hold a driver lock. This should fix a regression introduced in
r216925.
r217349:
Forgot to remove unlock of the driver lock from age_start_locked() when
converting it to a locked variant.
r217542:
Fix some bugs in my last set of changes to ale(4):
- Remove extra unlock from end of ale_start_locked().
- Expand scope of locking in interrupt handler.
- Move ether_ifdetach() earlier and retire now-unneeded DETACH flag.
Tested by: Aryeh Friedman
Notes:
svn path=/stable/7/; revision=218199
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Add new tunable 'net.link.ifqmaxlen' to set default send interface
queue length. The default value for this parameter is 50, which is
quite low for many of today's uses and the only way to modify this
parameter right now is to edit if_var.h file. Also add read-only
sysctl with the same name, so that it's possible to retrieve the
current value.
Notes:
svn path=/stable/7/; revision=215368
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Convert the PHY drivers to honor the mii_flags passed down and convert
the NIC drivers as well as the PHY drivers to take advantage of the
mii_attach() introduced in r213878 (MFC'ed to stable/8 in r214685) to
get rid of certain hacks. For the most part these were:
- Artificially limiting miibus_{read,write}reg methods to certain PHY
addresses; we now let mii_attach() only probe the PHY at the desired
address(es) instead.
- PHY drivers setting MIIF_* flags based on the NIC driver they hang
off from, partly even based on grabbing and using the softc of the
parent; we now pass these flags down from the NIC to the PHY drivers
via mii_attach(). This got us rid of all such hacks except those of
brgphy() in combination with bce(4) and bge(4), which is way beyond
what can be expressed with simple flags.
While at it, I took the opportunity to change the NIC drivers to pass
up the error returned by mii_attach() (previously by mii_phy_probe())
and unify the error message used in this case where and as appropriate
as mii_attach() actually can fail for a number of reasons, not just
because of no PHY(s) being present at the expected address(es).
Reviewed by: jhb, yongari
Notes:
svn path=/stable/7/; revision=214910
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Remove unnecessary controller reinitialization.
PR: kern/87506
Notes:
svn path=/stable/7/; revision=213600
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Don't panic on attach if we can't allocate ifp
Notes:
svn path=/stable/7/; revision=204953
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Approved by: ed (mentor)
Notes:
svn path=/stable/7/; revision=201394
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Fix multicast handling. All Atheros controllers use big-endian form
in computing multicast hash.
PR: kern/139137
Notes:
svn path=/stable/7/; revision=199927
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Merge Wake-on-Lan (WOL) support for the Attansic/Atheros L2.
This was left out of the backport to RELENG_7 as the WOL
infrastructure had not yet been backported to RELENG_7 when
the ae(4) driver was merged.
Tested OK on an ASUS EeePC 701 using ports/net/wol.
Submitted by: yongari
Notes:
svn path=/stable/7/; revision=189969
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- Eliminate unused variable. [1]
- Check for runt frames entering the stack. [2]
Suggested by: ganbold[1], yongari[2]
Notes:
svn path=/stable/7/; revision=187383
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Approved by: re (kensmith), kib (mentor)
Notes:
svn path=/stable/7/; revision=184267
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