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2010-01-03via-velocity: Give RX descriptors to the NIC later on open or MTU changeBen Hutchings1-4/+4
velocity_open() calls velocity_give_many_rx_descs(), which gives RX descriptors to the NIC, before installing an interrupt handler or calling velocity_init_registers(). I think this is very unsafe and it appears to explain the bug report <http://bugs.debian.org/508527>. On MTU change, velocity_give_many_rx_descs() is again called before velocity_init_registers(). I'm not sure whether this is unsafe but it does look wrong. Therefore, move the calls to velocity_give_many_rx_descs() after request_irq() and velocity_init_registers(). Signed-off-by: Ben Hutchings <ben@decadent.org.uk> Tested-by: Jan Ceuleers <jan.ceuleers@computer.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-12-03drivers/net: Move && and || to end of previous lineJoe Perches1-8/+8
Only files where David Miller is the primary git-signer. wireless, wimax, ixgbe, etc are not modified. Compile tested x86 allyesconfig only Not all files compiled (not x86 compatible) Added a few > 80 column lines, which I ignored. Existing checkpatch complaints ignored. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-11-26via-velocity: Set tx checksum from ethtool instead of module parameterSimon Kagstrom1-14/+4
Defaults to on (as before). Signed-off-by: Simon Kagstrom <simon.kagstrom@netinsight.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-11-26via-velocity: Re-enable transmit scatter-gather supportSimon Kagstrom1-30/+53
The velocity hardware can handle up to 7 memory segments. This can be turned on and off via ethtool. The support was removed in commit 83c98a8cd04dd0f848574370594886ba3bf56750 but is re-enabled and cleaned up here. It's off by default. Signed-off-by: Simon Kagstrom <simon.kagstrom@netinsight.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-11-26via-velocity: Change DMA_LENGTH_DEF (from the VIA driver)Simon Kagstrom1-1/+1
The VIA driver has changed the default for the DMA_LENGTH_DEF parameter. Together with adaptive interrupt supression and NAPI support, this improves performance quite a bit Signed-off-by: Simon Kagstrom <simon.kagstrom@netinsight.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-11-26via-velocity: Implement NAPI supportSimon Kagstrom1-35/+46
This patch adds NAPI support for VIA velocity. The new velocity_poll function also pairs tx/rx handling twice which improves perforamance on some workloads (e.g., netperf UDP_STREAM) significantly (that part is from the VIA driver). Signed-off-by: Simon Kagstrom <simon.kagstrom@netinsight.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-11-26via-velocity: Add ethtool interrupt coalescing supportSimon Kagstrom1-1/+159
(Partially from the upstream VIA driver). Tweaking the number of frames-per-interrupt and timer-until-interrupt can reduce the amount of CPU work quite a lot. Signed-off-by: Simon Kagstrom <simon.kagstrom@netinsight.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-11-26via-velocity: Correct 64-byte alignment for rx buffersSimon Kagstrom1-1/+2
(From the VIA driver). The current code does not guarantee 64-byte alignment since it simply does int add = skb->data & 63; skb->data += add; (via skb_reserve). So for example, if the skb->data address would be 0x10, this would result in 32-byte alignment (0x10 + 0x10). Correct by adding 64 - (skb->data & 63) instead. Signed-off-by: Simon Kagstrom <simon.kagstrom@netinsight.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-11-18drivers/net/via-velocity.c: remove exceptional & on function nameJulia Lawall1-1/+1
In this file, function names are otherwise used as pointers without &. A simplified version of the semantic patch that makes this change is as follows: (http://coccinelle.lip6.fr/) // <smpl> @r@ identifier f; @@ f(...) { ... } @@ identifier r.f; @@ - &f + f // </smpl> Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-10-28via-velocity: Remove private device listBen Hutchings1-36/+3
via-velocity maintains a list of its devices in order to determine whether a netdev notification applies to one of them. That can be determined simply by checking the netdev_ops pointer, so the list can be removed. Compile-tested only. Signed-off-by: Ben Hutchings <ben@decadent.org.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-10-13net: Use netdev_alloc_skb_ip_align()Eric Dumazet1-2/+1
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-09-03netdev: Remove redundant checks for CAP_NET_ADMIN in MDIO implementationsBen Hutchings1-4/+0
dev_ioctl() already checks capable(CAP_NET_ADMIN) before calling the driver's implementation of MDIO ioctls. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-09-02Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6David S. Miller1-1/+1
Conflicts: drivers/net/yellowfin.c
2009-09-01netdev: convert bulk of drivers to netdev_tx_tStephen Hemminger1-1/+2
In a couple of cases collapse some extra code like: int retval = NETDEV_TX_OK; ... return retval; into return NETDEV_TX_OK; Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-08-14via-velocity: Fix test of mii_status bit VELOCITY_DUPLEX_FULLroel kluin1-1/+1
Test whether VELOCITY_DUPLEX_FULL bit is set in mii_status. Signed-off-by: Roel Kluin <roel.kluin@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-07-23Remove unnecessary forward declarations from velocity NIC driver.Dave Jones1-1681/+1580
By moving functions to before their first call, we eliminate the need to define forward references. Signed-off-by: Dave Jones <davej@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-07-23Fix up CodingStyle problems in via-velocity.cDave Jones1-95/+80
Signed-off-by: Dave Jones <davej@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-07-23Remove unused zero-copy code from velocity NIC driver.Dave Jones1-66/+11
This code hasn't been enabled in forever. Signed-off-by: Dave Jones <davej@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-07-05net: use NETDEV_TX_OK instead of 0 in ndo_start_xmit() functionsPatrick McHardy1-1/+1
This patch is the result of an automatic spatch transformation to convert all ndo_start_xmit() return values of 0 to NETDEV_TX_OK. Some occurences are missed by the automatic conversion, those will be handled in a seperate patch. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-06-21via-velocity: Fix velocity driver unmapping incorrect size.Dave Jones1-1/+1
When a packet is greater than ETH_ZLEN, we end up assigning the boolean result of a comparison to the size we unmap. Signed-off-by: Dave Jones <davej@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-06-18via-velocity : fix no link detection on bootSéguier Régis1-1/+3
on boot, link is always up. Signed-off-by: Seguier Regis <rseguier@e-teleport.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-05-27net: use netdev stats in b44, sundance, via-rhine and via-velocityEric Dumazet1-11/+11
Use struct net_device_stats provided in struct net_device instead of private ones. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-04-11via-velocity : fix compilation warning.Séguier Régis1-2/+2
Fix this warning: drivers/net/via-velocity.c:1924: warning: passing argument 2 of 'request_irq' from incompatible pointer type Signed-off-by: Seguier Regis <rseguier@e-teleport.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-03-13via-velocity: Fix DMA mapping length errors on transmit.Dave Jones1-8/+7
From: Dave Jones <davej@redhat.com> The dma-debug changes caught that this driver uses the wrong DMA mapping length when skb_padto() does something. With suggestions from Eric Dumazet. Signed-off-by: David S. Miller <davem@davemloft.net>
2009-01-20via-velocity: fix hot spinroel kluin1-1/+1
while(--j >= 0) keeps spinning when j is unsigned: Signed-off-by: Roel Kluin <roel.kluin@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-01-11netdev: add missing set_mac_address hookStephen Hemminger1-0/+1
Many drivers lost the ability to set ethernet address accidently during the net_device_ops conversion. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-11-20netdev: add more functions to netdevice opsStephen Hemminger1-1/+1
This patch moves neigh_setup and hard_start_xmit into the network device ops structure. For bisection, fix all the previously converted drivers as well. Bonding driver took the biggest hit on this. Added a prefetch of the hard_start_xmit in the fast path to try and reduce any impact this would have. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-11-19via-velocity: convert to net_device_opsStephen Hemminger1-10/+14
Convert this driver to network device ops. Compile tested only. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-11-18Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6David S. Miller1-1/+1
Conflicts: drivers/isdn/i4l/isdn_net.c fs/cifs/connect.c
2008-11-16via-velocity: enable perfect filtering for multicast packetsJoey Zhuo1-1/+1
Signed-off-by: Joey Zhuo <joeyzhuo@via.com.tw> Acked-by: Francois Romieu <romieu@fr.zoreil.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-11-03drivers/net: Kill now superfluous ->last_rx stores.David S. Miller1-2/+0
The generic packet receive code takes care of setting netdev->last_rx when necessary, for the sake of the bonding ARP monitor. Drivers need not do it any more. Some cases had to be skipped over because the drivers were making use of the ->last_rx value themselves. Signed-off-by: David S. Miller <davem@davemloft.net>
2008-10-27via-velocity: use driver string instead of dev->name before register_netdev()Sven Hartge1-4/+7
This patch corrects a message bug in the via-velocity driver which bothered me for some time. The messages printed during device init look like the following: [ 8.486422] eth%d: set value of parameter Wake On Lan options to 0 ^^! [ 8.487340] eth0: VIA Networking Velocity Family Gigabit Ethernet Adapter Note the unresolved format string. dev->name is unavailable before register_netdev, so use dev_driver_string(&pdev->dev), which is also consistent with other drivers. "char *devname" parameters had to be converted to "const char *devname" to be consistent with dev_driver_string return value. Signed-off-by: Sven Hartge <sven@svenhartge.de> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-10-13net: Rationalise email address: Network Specific PartsAlan Cox1-1/+1
Clean up the various different email addresses of mine listed in the code to a single current and valid address. As Dave says his network merges for 2.6.28 are now done this seems a good point to send them in where they won't risk disrupting real changes. Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-10-08via-velocity: Fix warnings on sparc64.Francois Romieu1-2/+2
As reported by Meelis Roos. Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-31via-velocity: velocity_init_{rd/tx}_ring use kcalloc(..., GFP_KERNEL).Francois Romieu1-46/+86
Allocate and free everyting outside of the locked section. Spotted-by: Arjan van de Ven <arjan@linux.intel.com> Signed-off-by: Francois Romieu <romieu@fr.zoreil.com> Fixed-by: Seguier Regis <rseguier@e-teleport.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2008-07-31via-velocity: separated struct allow wholesale copy during MTU changes.Francois Romieu1-86/+87
It should help people fix the bugs in my code :o) Signed-off-by: Francois Romieu <romieu@fr.zoreil.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2008-07-11via-velocity: add velocity_set_rxbufsize helperFrancois Romieu1-3/+9
It removes a dependancy from velocity_init_rd_ring to dev->mtu. Signed-off-by: Francois Romieu <romieu@fr.zoreil.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-07-11via-velocity: move residual free rx descriptors count register updateFrancois Romieu1-14/+14
Updates of the RBRDU have two different meanings depending on their context: 1. the receiving process has not started - the value which is written into the RBRDU register is supposed to be the free rx descriptors count (rounded to a multiple of 4) 2. the receiving process is running - the value increments the count above (sic) The update is currently issued deep inside the rx replenish chain (see velocity_give_many_rx_descs). Let's propagate enough information to the caller so that the rx replenish functions do not depend on hardware any more. It is needed to perform the Rx/Tx buffers housekeeping when MTU changes. Signed-off-by: Francois Romieu <romieu@fr.zoreil.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-07-11via-velocity: lean and clean velocity_init_ringsFrancois Romieu1-27/+21
- PCI consistent areas need no memset - use dev_err instead of plain printk - avoid a few casts Signed-off-by: Francois Romieu <romieu@fr.zoreil.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-07-11via-velocity: remove the bounce buffersFrancois Romieu1-54/+18
Executive summary: the bounce buffers are in my way - they use something like a 64 * 1500 bytes area of PCI consistent area - they are not resized when the MTU changes - they are used - to hand-pad undersized packets. skb_pad anyone ? - to linearize fragmented skbs whose fragment count goes beyond the 7 fragments hardware limit in order to claim scatter-gather support Actually the SG code is commented out and I wonder if it could not be implemented (ab-)using the large send feature of the chipset since the latter should support some multi-descriptor packet transmitting. Signed-off-by: Francois Romieu <romieu@fr.zoreil.com> Fixed-by: Séguier Régis <rseguier@e-teleport.net> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-05-22via-velocity: use memmoveStephen Hemminger1-5/+1
Use memmove to handle overlapping copy of data. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-05-22via-velocity: use netdev_alloc_skbStephen Hemminger1-13/+6
Use netdev_alloc_skb for rx buffer allocation. This sets skb->dev and can be overriden for NUMA machines. Change code to return new buffer rather than call by reference. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-04-25via-velocity: fix vlan receiptFrancois Romieu1-18/+28
- vlans were using a single CAM register (see mac_set_vlan_cam) - setting the address filtering registers for vlans is not needed when there is no vlan The non-tagged interface is filtered out as soon as a tagged (!= 0) interface is created. Its traffic appears again when an zero-tagged interface is created. Tested on Via Epia SN (VT6130 chipset) with several vlans whose tag was above or beyond 255. Signed-off-by: Séguier Régis <rseguier@e-teleport.net> Acked-by: Francois Romieu <romieu@fr.zoreil.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-03-26[NET] NETNS: Omit net_device->nd_net without CONFIG_NET_NS.YOSHIFUJI Hideaki1-1/+1
Introduce per-net_device inlines: dev_net(), dev_net_set(). Without CONFIG_NET_NS, no namespace other than &init_net exists. Let's explicitly define them to help compiler optimizations. Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
2008-02-28[NETNS]: Disable inetaddr notifiers in namespaces other than initial.Denis V. Lunev1-0/+3
ip_fib_init is kept enabled. It is already namespace-aware. Signed-off-by: Denis V. Lunev <den@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-02-28[IPV4]: Remove ifa != NULL check.Denis V. Lunev1-12/+10
This is a callback registered to inet address notifier chain. The check is useless as: - ifa is always != NULL - similar checks are abscent in all other notifiers. Signed-off-by: Denis V. Lunev <den@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-02-09via-velocity: section fixAndrew Morton1-1/+1
From: Andrew Morton <akpm@linux-foundation.org> gcc-3.4.4 on powerpc: drivers/net/via-velocity.c:443: error: chip_info_table causes a section type conflict on this one I had to remove the __devinitdata too. Don't know why. Cc: Jeff Garzik <jeff@garzik.org> Cc: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-02-03big-endian support for via-velocityAl Viro1-38/+32
* kill bitfields * annotate * add missing conversions * fix a couple of brainos in zerocopy stuff (fortunately, it's ifdef'ed out) Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Jeff Garzik <jeff@garzik.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2007-12-01via-velocity: don't oops on MTU change (resend)Stephen Hemminger1-8/+3
The VIA veloicty driver needs the following to allow changing MTU when down. The buffer size needs to be computed when device is brought up, not when device is initialized. This also fixes a bug where the buffer size was computed differently on change_mtu versus initial setting. Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-11-14[VIA_VELOCITY]: Don't oops on MTU change.Stephen Hemminger1-0/+5
Simple mtu change when device is down. Fix http://bugzilla.kernel.org/show_bug.cgi?id=9382. Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org> Signed-off-by: David S. Miller <davem@davemloft.net>
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