| Commit message (Collapse) | Author | Age | Files | Lines |
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recompiling the driver. See the comments near the top of "if_em.h"
for descriptions of these delays. Four new loader tunables control
the system-wide default values:
hw.em.tx_int_delay
hw.em.rx_int_delay
hw.em.tx_abs_int_delay
hw.em.rx_abs_int_delay
The tunables are specified in microseconds. The valid range is
0-67108 usec., and 0 means that the timer is disabled.
There are also four new sysctls (actually, a set of four for each
"em" device in the system) to query and change the interrupt delays
after the system is up:
hw.em0.tx_int_delay
hw.em0.rx_int_delay
hw.em0.tx_abs_int_delay (not present for 82542/3/4 adapters)
hw.em0.rx_abs_int_delay (not present for 82542/3/4 adapters)
It seems to be OK to change these values even while the adapter is
passing traffic.
Approved by: Prafulla Deuskar <pdeuskar@FreeBSD.ORG>
MFC after: 4 weeks
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are not applicable to the 82544.
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vtophys() anymore, so remove the alpha hack which defines
vtophys() to alpha_XXX_dmamap().
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Add two new arguments to bus_dma_tag_create(): lockfunc and lockfuncarg.
Lockfunc allows a driver to provide a function for managing its locking
semantics while using busdma. At the moment, this is used for the
asynchronous busdma_swi and callback mechanism. Two lockfunc implementations
are provided: busdma_lock_mutex() performs standard mutex operations on the
mutex that is specified from lockfuncarg. dftl_lock() is a panic
implementation and is defaulted to when NULL, NULL are passed to
bus_dma_tag_create(). The only time that NULL, NULL should ever be used is
when the driver ensures that bus_dmamap_load() will not be deferred.
Drivers that do not provide their own locking can pass
busdma_lock_mutex,&Giant args in order to preserve the former behaviour.
sparc64 and powerpc do not provide real busdma_swi functions, so this is
largely a noop on those platforms. The busdma_swi on is64 is not properly
locked yet, so warnings will be emitted on this platform when busdma
callback deferrals happen.
If anyone gets panics or warnings from dflt_lock() being called, please
let me know right away.
Reviewed by: tmm, gibbs
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Add sysctl's to display statistics/debug_info
Set WAIT_FOR_AUTONEG_DEFAULT to zero by default
Increment packet in/out statistics inline instead of every two seconds.
MFC after: 3 days
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- Don't use vtophys when you can get physical address using bus_dma API
Submitted by: jake (Jake Burkholder)
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- Use htole* macros where appropriate so that the driver could work on non-x86 architectures
- Use m_getcl() instead of MGETHDR/MCLGET macros
Submitted by: sam (Sam Leffler)
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Not doing this caused the vlan mtu to be reduced by 4 bytes.
Submitted by: Doug Ambrisko (ambrisko)
MFC after: 1 day
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network layer (ether).
- Don't abuse module names to facilitate ifconfig module loading;
such abuse isn't really needed. (And if we do need type information
associated with a module then we should make it explicit and not
use hacks.)
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- These have Intel gigabit PHY
- 82547 uses CSA interface
MFC after: 1 week
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Approved by: trb
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Merge M_NOWAIT/M_DONTWAIT into a single flag M_NOWAIT.
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BTW the license is also embedded in the source files.
MFC after: 1 day
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especially in troff files.
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- Added support for ITR (interrupt throttle register). This feature is available on
adapters based on 82545 and above
- Fixed problem with vlan support when traffic has priority bits set. (kern/45907)
PR: kern/45907
MFC after: 1 week
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Reviewed by: pdeuskar (maintainer)
Approved by: re
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Reviewed by: pdeuskar (maintainer)
Approved by: re
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o don't strip the Ethernet header from inbound packets; pass packets
up the stack intact (required significant changes to some drivers)
o reference common definitions in net/ethernet.h (e.g. ETHER_ALIGN)
o track ether_ifattach/ether_ifdetach API changes
o track bpf changes (use BPF_TAP and BPF_MTAP)
o track vlan changes (ifnet capabilities, revised processing scheme, etc.)
o use if_input to pass packets "up"
o call ether_ioctl for default handling of ioctls
Reviewed by: many
Approved by: re
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the last one.
- Set RDTR to zero by default instead of 28.
- Fixed a problem with TX hangs with jumbo frames when number of fragments in the mbuf chain
is large.
- Added support for 82540EP based cards.
MFC after: 3 days
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MFC after: 2 days
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We are having panics with the driver under stress with jumbo frames.
Unfortunately we didnot catch it during our regular test cycle.
I am going to MFC the backout immediately.
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Use array based scheme instead of queueing macros.
Submitted by: Luigi Rizzo (rizzo@icir.org)
MFC after: 3 days
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- Read the Mac address only once during attach.
(This fixes the failover issue observed using the bonding driver)
MFC after: 3 days
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if_em_fxhw.[c,h] and if_em_phy.[c,h]
have been merged into one [c,h] file.
MFC after: 3 days
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Added Vlan support.
MFC after: 1 week
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again.
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Submitted by: peter
MFC after: 3 days
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Cosmetic changes to make code more unix-like.
MFC after: 1 week
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descriptors. This simplifies code for jumbo frames.
- Cleaned up coding conventions to make code more unix-like.
- Cleaned up code in if_em_fxhw.c and if_em_phy.c.
Added relevant comments.
MFC after: 1 week
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-Modify modules Makefile so that em driver compiles only on
i386 platform. (Alpha not supported yet)
PR: kern/32993
MFC after: 1
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1. Changed incorrect conditional in fxhw.c which would never
evaluate to true. Thanks to John Polstra for pointing that out.
2. Write to PCI config space by default, enabling memory access and
bus master enable.
Submitted by:Prafulla Deuskar
MFC after:3 days
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PRO/1000 cards.
Submitted by:Prafulla Deuskar
Reviewed by: Paul Saab
MFC after:1 week
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