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331722 |
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29-Mar-2018 |
eadler |
Revert r330897:
This was intended to be a non-functional change. It wasn't. The commit message was thus wrong. In addition it broke arm, and merged crypto related code.
Revert with prejudice.
This revert skips files touched in r316370 since that commit was since MFCed. This revert also skips files that require $FreeBSD$ property changes.
Thank you to those who helped me get out of this mess including but not limited to gonzo, kevans, rgrimes.
Requested by: gjb (re)
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330897 |
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14-Mar-2018 |
eadler |
Partial merge of the SPDX changes
These changes are incomplete but are making it difficult to determine what other changes can/should be merged.
No objections from: pfg
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302408 |
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07-Jul-2016 |
gjb |
Copy head@r302406 to stable/11 as part of the 11.0-RELEASE cycle. Prune svn:mergeinfo from the new branch, as nothing has been merged here.
Additional commits post-branch will follow.
Approved by: re (implicit) Sponsored by: The FreeBSD Foundation |
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298307 |
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19-Apr-2016 |
pfg |
sys/dev: use our nitems() macro when it is avaliable through param.h.
No functional change, only trivial cases are done in this sweep, Drivers that can get further enhancements will be done independently.
Discussed in: freebsd-current
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295735 |
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17-Feb-2016 |
yongari |
Fix variable assignment.
Found by: PVS-Studio
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271837 |
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18-Sep-2014 |
glebius |
Mechanically convert to if_inc_counter().
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270856 |
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30-Aug-2014 |
glebius |
Use define from if_var.h to access a field inside struct if_data, that resides in struct ifnet.
Sponsored by: Nginx, Inc.
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267363 |
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11-Jun-2014 |
jhb |
Fix various NIC drivers to properly cleanup static DMA resources. In particular, don't check the value of the bus_dma map against NULL to determine if either bus_dmamem_alloc() or bus_dmamap_load() succeeded. Instead, assume that bus_dmamap_load() succeeeded (and thus that bus_dmamap_unload() should be called) if the bus address for a resource is non-zero, and assume that bus_dmamem_alloc() succeeded (and thus that bus_dmamem_free() should be called) if the virtual address for a resource is not NULL.
In many cases these bugs could result in leaks when a driver was detached.
Reviewed by: yongari MFC after: 2 weeks
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257176 |
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26-Oct-2013 |
glebius |
The r48589 promised to remove implicit inclusion of if_var.h soon. Prepare to this event, adding if_var.h to files that do need it. Also, include all includes that now are included due to implicit pollution via if_var.h
Sponsored by: Netflix Sponsored by: Nginx, Inc.
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254263 |
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12-Aug-2013 |
scottl |
Update PCI drivers to no longer look at the MEMIO-enabled bit in the PCI command register. The lazy BAR allocation code in FreeBSD sometimes disables this bit when it detects a range conflict, and will re-enable it on demand when a driver allocates the BAR. Thus, the bit is no longer a reliable indication of capability, and should not be checked. This results in the elimination of a lot of code from drivers, and also gives the opportunity to simplify a lot of drivers to use a helper API to set the busmaster enable bit.
This changes fixes some recent reports of disk controllers and their associated drives/enclosures disappearing during boot.
Submitted by: jhb Reviewed by: jfv, marius, achadd, achim MFC after: 1 day
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243857 |
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04-Dec-2012 |
glebius |
Mechanically substitute flags from historic mbuf allocator with malloc(9) flags in sys/dev.
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242625 |
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05-Nov-2012 |
dim |
Remove duplicate const specifiers in many drivers (I hope I got all of them, please let me know if not). Most of these are of the form:
static const struct bzzt_type { [...list of members...] } const bzzt_devs[] = { [...list of initializers...] };
The second const is unnecessary, as arrays cannot be modified anyway, and if the elements are const, the whole thing is const automatically (e.g. it is placed in .rodata).
I have verified this does not change the binary output of a full kernel build (except for build timestamps embedded in the object files).
Reviewed by: yongari, marius MFC after: 1 week
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229767 |
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07-Jan-2012 |
kevlo |
ether_ifattach() sets if_mtu to ETHERMTU, don't bother set it again
Reviewed by: yongari
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227848 |
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22-Nov-2011 |
marius |
s,KOBJMETHOD_END,DEVMETHOD_END,g in order to fully hide the explicit mention of kobj(9) from device drivers.
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226995 |
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01-Nov-2011 |
marius |
- Import the common MII bitbang'ing code from NetBSD and convert drivers to take advantage of it instead of duplicating it. This reduces the size of the i386 GENERIC kernel by about 4k. The only potential in-tree user left unconverted is xe(4), which generally should be changed to use miibus(4) instead of implementing PHY handling on its own, as otherwise it makes not much sense to add a dependency on miibus(4)/mii_bitbang(4) to xe(4) just for the MII bitbang'ing code. The common MII bitbang'ing code also is useful in the embedded space for using GPIO pins to implement MII access. - Based on lessons learnt with dc(4) (see r185750), add bus barriers to the MII bitbang read and write functions of the other drivers converted in order to ensure the intended ordering. Given that register access via an index register as well as register bank/window switching is subject to the same problem, also add bus barriers to the respective functions of smc(4), tl(4) and xl(4). - Sprinkle some const.
Thanks to the following testers: Andrew Bliznak (nge(4)), nwhitehorn@ (bm(4)), yongari@ (sis(4) and ste(4)) Thanks to Hans-Joerg Sirtl for supplying hardware to test stge(4).
Reviewed by: yongari (subset of drivers) Obtained from: NetBSD (partially)
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226173 |
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09-Oct-2011 |
marius |
Prefer KOBJMETHOD_END.
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219545 |
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11-Mar-2011 |
marius |
Allocate the DMA memory shared between the host and the controller as coherent.
MFC after: 2 weeks
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215297 |
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14-Nov-2010 |
marius |
o Flesh out the generic IEEE 802.3 annex 31B full duplex flow control support in mii(4): - Merge generic flow control advertisement (which can be enabled by passing by MIIF_DOPAUSE to mii_attach(9)) and parsing support from NetBSD into mii_physubr.c and ukphy_subr.c. Unlike as in NetBSD, IFM_FLOW isn't implemented as a global option via the "don't care mask" but instead as a media specific option this. This has the following advantages: o allows flow control advertisement with autonegotiation to be turned on and off via ifconfig(8) with the default typically being off (though MIIF_FORCEPAUSE has been added causing flow control to be always advertised, allowing to easily MFC this changes for drivers that previously used home-grown support for flow control that behaved that way without breaking POLA) o allows to deal with PHY drivers where flow control advertisement with manual selection doesn't work or at least isn't implemented, like it's the case with brgphy(4), e1000phy(4) and ip1000phy(4), by setting MIIF_NOMANPAUSE o the available combinations of media options are readily available from the `ifconfig -m` output - Add IFM_FLOW to IFM_SHARED_OPTION_DESCRIPTIONS and IFM_ETH_RXPAUSE and IFM_ETH_TXPAUSE to IFM_SUBTYPE_ETHERNET_OPTION_DESCRIPTIONS so these are understood by ifconfig(8). o Make the master/slave support in mii(4) actually usable: - Change IFM_ETH_MASTER from being implemented as a global option via the "don't care mask" to a media specific one as it actually is only applicable to IFM_1000_T to date. - Let mii_phy_setmedia() set GTCR_MAN_MS in IFM_1000_T slave mode to actually configure manually selected slave mode (like we also do in the PHY specific implementations). - Add IFM_ETH_MASTER to IFM_SUBTYPE_ETHERNET_OPTION_DESCRIPTIONS so it is understood by ifconfig(8). o Switch bge(4), bce(4), msk(4), nfe(4) and stge(4) along with brgphy(4), e1000phy(4) and ip1000phy(4) to use the generic flow control support instead of home-grown solutions via IFM_FLAGs. This includes changing these PHY drivers and smcphy(4) to no longer unconditionally advertise support for flow control but only if the selected media has IFM_FLOW set (or MIIF_FORCEPAUSE is set) and implemented for these media variants, i.e. typically only for copper. o Switch brgphy(4), ciphy(4), e1000phy(4) and ip1000phy(4) to report and set IFM_1000_T master mode via IFM_ETH_MASTER instead of via IFF_LINK0 and some IFM_FLAGn. o Switch brgphy(4) to add at least the the supported copper media based on the contents of the BMSR via mii_phy_add_media() instead of hardcoding them. The latter approach seems to have developed historically, besides causing unnecessary code duplication it was also undesirable because brgphy_mii_phy_auto() already based the capability advertisement on the contents of the BMSR though. o Let brgphy(4) set IFM_1000_T master mode on all supported PHY and not just BCM5701. Apparently this was a misinterpretation of a workaround in the Linux tg3 driver; BCM5701 seem to require RGPHY_1000CTL_MSE and BRGPHY_1000CTL_MSC to be set when configuring autonegotiation but this doesn't mean we can't set these as well on other PHYs for manual media selection. o Let ukphy_status() report IFM_1000_T master mode via IFM_ETH_MASTER so IFM_1000_T master mode support now is generally available with all PHY drivers. o Don't let e1000phy(4) set master/slave bits for IFM_1000_SX as it's not applicable there.
Reviewed by: yongari (plus additional testing) Obtained from: NetBSD (partially), OpenBSD (partially) MFC after: 2 weeks
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213893 |
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15-Oct-2010 |
marius |
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 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
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213000 |
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22-Sep-2010 |
yongari |
Fix build breakage introduced in r212972.
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212972 |
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21-Sep-2010 |
yongari |
Remove unnecessary controller reinitialization.
PR: kern/87506
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204520 |
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01-Mar-2010 |
joel |
The NetBSD Foundation has granted permission to remove clause 3 and 4 from their software.
Obtained from: NetBSD
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198988 |
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06-Nov-2009 |
jhb |
Take a step towards removing if_watchdog/if_timer. Don't explicitly set if_watchdog/if_timer to NULL/0 when initializing an ifnet. if_alloc() sets those members to NULL/0 already.
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195049 |
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26-Jun-2009 |
rwatson |
Use if_maddr_rlock()/if_maddr_runlock() rather than IF_ADDR_LOCK()/ IF_ADDR_UNLOCK() across network device drivers when accessing the per-interface multicast address list, if_multiaddrs. This will allow us to change the locking strategy without affecting our driver programming interface or binary interface.
For two wireless drivers, remove unnecessary locking, since they don't actually access the multicast address list.
Approved by: re (kib) MFC after: 6 weeks
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193096 |
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30-May-2009 |
attilio |
When user_frac in the polling subsystem is low it is going to busy the CPU for too long period than necessary. Additively, interfaces are kept polled (in the tick) even if no more packets are available. In order to avoid such situations a new generic mechanism can be implemented in proactive way, keeping track of the time spent on any packet and fragmenting the time for any tick, stopping the processing as soon as possible.
In order to implement such mechanism, the polling handler needs to change, returning the number of packets processed. While the intended logic is not part of this patch, the polling KPI is broken by this commit, adding an int return value and the new flag IFCAP_POLLING_NOCOUNT (which will signal that the return value is meaningless for the installed handler and checking should be skipped).
Bump __FreeBSD_version in order to signal such situation.
Reviewed by: emaste Sponsored by: Sandvine Incorporated
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175430 |
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18-Jan-2008 |
yongari |
Use m_collapse(9) to collapse mbuf chains instead of relying on shortest possible chain of mbufs of m_defrag(9). What we want is chains of mbufs that can be safely stored to a Tx descriptor which can have up to STGE_MAXTXSEGS mbufs. The ethernet controller does not need to align Tx buffers on 32bit boundary. So the use of m_defrag(9) was waste of time.
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175315 |
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14-Jan-2008 |
yongari |
Implement WOL capability. - Turn on WOL bits in suspend/shutdown method. - WOL is disabled in resume routine as WOL can interfere normal Rx operation. - Move stge_reset() to stge_init_locked() as resetting hardware clears configured Rx information which in turn results in non-working Rx module after suspend/shutdown operation.
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173839 |
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22-Nov-2007 |
yongari |
Fix function prototype for device_shutdown method.
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169159 |
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01-May-2007 |
yongari |
If we've got watchdog timeouts try to get more packets going after resetting the hardware.
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169158 |
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01-May-2007 |
yongari |
Honor link up/down state in stge_start(). While I'm here move MAC control settings to stge_link_task, a task queue which handles link state and duplex/flow controls.
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169157 |
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01-May-2007 |
yongari |
Use our own timer for watchdog instead of if_watchdog/if_timer interface.
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167190 |
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04-Mar-2007 |
csjp |
Catch up the rest of the drivers with the ether_vlan_mtap modifications. If these drivers are setting M_VLANTAG because they are stripping the layer 2 802.1Q headers, then they need to be re-inserting them so any bpf(4) peers can properly decode them.
It should be noted that this is compiled tested only.
MFC after: 3 weeks
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166901 |
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23-Feb-2007 |
piso |
o break newbus api: add a new argument of type driver_filter_t to bus_setup_intr()
o add an int return code to all fast handlers
o retire INTR_FAST/IH_FAST
For more info: http://docs.freebsd.org/cgi/getmsg.cgi?fetch=465712+0+current/freebsd-current
Reviewed by: many Approved by: re@
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166165 |
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21-Jan-2007 |
marius |
Change the remainder of the drivers for DMA'ing devices enabled in the sparc64 GENERIC and the sound device drivers known working on sparc64 to use bus_get_dma_tag() to obtain the parent DMA tag so we can get rid of the sparc64_root_dma_tag kludge eventually. Except for ath(4), sk(4), stge(4) and ti(4) these changes are runtime tested (unless I booted up the wrong kernels again...).
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162375 |
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17-Sep-2006 |
andre |
Move ethernet VLAN tags from mtags to its own mbuf packet header field m_pkthdr.ether_vlan. The presence of the M_VLANTAG flag on the mbuf signifies the presence and validity of its content.
Drivers that support hardware VLAN tag stripping fill in the received VLAN tag (containing both vlan and priority information) into the ether_vtag mbuf packet header field:
m->m_pkthdr.ether_vtag = vlan_id; /* ntohs()? */ m->m_flags |= M_VLANTAG;
to mark the packet m with the specified VLAN tag.
On output the driver should check the mbuf for the M_VLANTAG flag to see if a VLAN tag is present and valid:
if (m->m_flags & M_VLANTAG) { ... = m->m_pkthdr.ether_vtag; /* htons()? */ ... pass tag to hardware ... }
VLAN tags are stored in host byte order. Byte swapping may be necessary.
(Note: This driver conversion was mechanic and did not add or remove any byte swapping in the drivers.)
Remove zone_mtag_vlan UMA zone and MTAG_VLAN definition. No more tag memory allocation have to be done.
Reviewed by: thompsa, yar Sponsored by: TCP/IP Optimization Fundraise 2005
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161235 |
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11-Aug-2006 |
yongari |
Fix invalid reference of mbuf chains. Use proper pointer dereference to inform modified mbuf chains to caller.
In collaboration with: glebius
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160641 |
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24-Jul-2006 |
yongari |
Add stge(4), a driver for Sundance/Tamarack TC9021 Gigabit Ethernet controller ported from NetBSD. It supports the following Gigabit Ethernet adapters. o Antares Microsystems Gigabit Ethernet o ASUS NX1101 Gigabit Ethernet o D-Link DL-4000 Gigabit Ethernet o IC Plus IP1000A Gigabit Ethernet o Sundance ST-2021 Gigabit Ethernet o Sundance ST-2023 Gigabit Ethernet o Sundance TC9021 Gigabit Ethernet o Tamarack TC9021 Gigabit Ethernet The IP1000A Gigabit Ethernet is also found on some motherboards (LOM) from ABIT.
Unlike NetBSD stge(4) it does not require promiscuous mode operation to revice packet and it supports all hardware features(TCP/UDP/IP checksum offload, VLAN tag stripping/insertion features and JUMBO frame) and polling(4). Due to lack of hardware, hardwares that have TBI trantransceivers were not tested at all.
Special thanks to wpaul who provided valauble datasheet for the controller and helped to debug jumbo frame related issues. Whitout his datasheet I would have spent many hours to debug this chip.
Tested on: i386, sparc64
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