- 11 6月, 2009 1 次提交
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由 Divy Le Ray 提交于
Pre-allocate a skb at init time to be used for control messages to the HW if skb allocation fails. Tolerate failures to send messages initializing some memories at the cost of parity error detection for these memories. Retry sending connection id release messages if both alloc_skb(GFP_ATOMIC) and alloc_skb(GFP_KERNEL) fail. Do not bring the interface up if messages binding queue set to port fail to be sent. Signed-off-by: NDivy Le Ray <divy@chelsio.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 29 5月, 2009 1 次提交
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由 Divy Le Ray 提交于
Commit 5e68b772 cxgb3: map entire Rx page, feed map+offset to Rx ring. introduced a regression on platforms defining DECLARE_PCI_UNMAP_ADDR() and related macros as no-ops. Rx descriptors are fed with the a page buffer bus address + page chunk offset. The page buffer bus address is set and retrieved through pci_unamp_addr_set(), pci_unmap_addr(). These functions being meaningless on x86 (if CONFIG_DMA_API_DEBUG is not set). The HW ends up with a bogus bus address. This patch saves the page buffer bus address for all plaftorms. Signed-off-by: NDivy Le Ray <divy@chelsio.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 16 4月, 2009 1 次提交
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由 Herbert Xu 提交于
It turns out that copying a 16-byte area at ~800k times a second can be really expensive :) This patch redesigns the frags GRO interface to avoid copying that area twice. The two disciples of the frags interface have been converted. Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 27 3月, 2009 2 次提交
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由 Divy Le Ray 提交于
DMA mapping can be expensive in the presence of iommus. Reduce the Rx iommu activity by mapping an entire page, and provide the H/W the mapped address + offset of the current page chunk. Reserve bits at the end of the page to track mapping references, so the page can be unmapped. Signed-off-by: NDivy Le Ray <divy@chelsio.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Divy Le Ray 提交于
Start queue set reclaim timers after the queue sets have been allocated successfully. Signed-off-by: NDivy Le Ray <divy@chelsio.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 14 3月, 2009 3 次提交
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由 Divy Le Ray 提交于
The driver currently ignores the local or remote link faults raised at the mac layer. This patch fixes it. Our mac however only advertizes link events, so wait for the phy to stabilize the link, then enable mac link events interrupts. Signed-off-by: NDivy Le Ray <divy@chelsio.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Divy Le Ray 提交于
Separate TX and RX reclaim handlers Don't disable interrupts in RX reclaim handler. Signed-off-by: NDivy Le Ray <divy@chelsio.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Divy Le Ray 提交于
Ring free lists door bell less frequently, specifically every quarter of the active FL size. Signed-off-by: NDivy Le Ray <divy@chelsio.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 22 1月, 2009 2 次提交
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由 Herbert Xu 提交于
This patch makes cxgb3 invoke the GRO hooks instead of LRO. As GRO has a compatible external interface to LRO this is a very straightforward replacement. I've kept the ioctl controls for per-queue LRO switches. However, we should not encourage anyone to use these. Because of that, I've also kept the skb construction code in cxgb3. Hopefully we can phase out those per-queue switches and then kill this too. Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au> Acked-by: NDivy Le Ray <divy@chelsio.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Divy Le Ray 提交于
The driver currently drops to line interrupt mode if it did not get all the msi-x vectors it requested. Allow msi-x settings when a minimal amount of vectors is provided. Signed-off-by: NDivy Le Ray <divy@chelsio.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 11 1月, 2009 1 次提交
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由 Roland Dreier 提交于
I have a system with a Chelsio adapter (driven by cxgb3) whose ports are part of a Linux bridge. Recently I updated the kernel and discovered that things stopped working because cxgb3 was doing LRO on packets that were passed into the bridge code for forwarding. (Incidentally, this problem manifested itself in a strange way that made debugging a bit interesting -- for some reason, the skb_warn_if_lro() check in bridge didn't trigger and these LROed packets were forwarded out a forcedeth interface, and caused the forcedeth transmit path to get stuck) This is because cxgb3 has no way of keeping state for the LRO flag until the interface is brought up, so if the bridging code disables LRO while the interface is down, then cxgb3_up() will just reenable LRO, and on my Debian system at least, the init scripts add interfaces to a bridge before bringing the interfaces up. Fix this by keeping track of each interface's LRO state in cxgb3 so that when bridge disables LRO, it stays disabled in cxgb3_up() when the interface is brought up. I did this by changing the rx_csum_offload flag into a pair of bit flags; the effect of this on the rx_eth() fast path is miniscule enough that it should be fine (eg on x86, a cmpb instruction becomes a testb instruction). Signed-off-by: NRoland Dreier <rolandd@cisco.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 19 12月, 2008 1 次提交
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由 Karen Xie 提交于
The accelerated iSCSI traffic could use a private IP address unknown to the OS: - The IP address is required in both drivers to manage ARP requests and connection set up. - Added an control call to retrieve the ip address. - Reply to ARP requests dedicated to the private IP address. Signed-off-by: NDivy Le Ray <divy@chelsio.com> Signed-off-by: NKaren Xie <kxie@chelsio.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 16 12月, 2008 1 次提交
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由 Divy Le Ray 提交于
Implement NIC Tx multiqueue. Bump up driver version. Signed-off-by: NDivy Le Ray <divy@chelsio.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 14 10月, 2008 1 次提交
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由 Divy Le Ray 提交于
Update copyright banner to 2008. Signed-off-by: NDivy Le Ray <divy@chelsio.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 09 10月, 2008 3 次提交
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由 Divy Le Ray 提交于
Second step in overall phy layer reorganization. Clean up the port_type_info structure. Support coextistence of clause 22 and clause 45 MDIO devices. Select the type of MDIO transaction on a per transaction basis. Signed-off-by: NDivy Le Ray <divy@chelsio.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Divy Le Ray 提交于
when a fatal error occurs, bring ports down, reset the chip, and bring ports back up. Factorize code used for both EEH and fatal error recovery. Fix timer usage when bringing up/resetting sge queue sets. Signed-off-by: NDivy Le Ray <divy@chelsio.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Divy Le Ray 提交于
A SGE queue set timer might access registers while in EEH recovery, triggering an EEH error loop. Stop all timers early in EEH process. Signed-off-by: NDivy Le Ray <divy@chelsio.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 22 9月, 2008 1 次提交
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由 David S. Miller 提交于
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 22 5月, 2008 2 次提交
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由 Divy Le Ray 提交于
Add LRO support. Signed-off-by: NDivy Le Ray <divy@chelsio.com> Signed-off-by: NJeff Garzik <jgarzik@redhat.com>
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由 Divy Le Ray 提交于
Add page support to Jumbo frame Rx queues. Signed-off-by: NDivy Le Ray <divy@chelsio.com> Signed-off-by: NJeff Garzik <jgarzik@redhat.com>
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- 13 5月, 2008 1 次提交
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由 Divy Le Ray 提交于
Fix faiures path when ports are stopped and restarted in EEH recovery. Signed-off-by: NDivy Le Ray <divy@chelsio.com> Signed-off-by: NJeff Garzik <jgarzik@redhat.com>
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- 19 4月, 2008 1 次提交
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由 Matthew Wilcox 提交于
None of these files use any of the functionality promised by asm/semaphore.h. It's possible that they rely on it dragging in some unrelated header file, but I can't build all these files, so we'll have fix any build failures as they come up. Signed-off-by: NMatthew Wilcox <willy@linux.intel.com>
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- 29 1月, 2008 1 次提交
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由 Divy Le Ray 提交于
Add parity initialization for T3C adapters. Signed-off-by: NDivy Le Ray <divy@chelsio.com> Signed-off-by: NJeff Garzik <jeff@garzik.org>
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- 24 10月, 2007 1 次提交
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由 Jeff Garzik 提交于
Rather than hand-rolling our own prototype, make the code more future-proof by using the standard irq_handler_t typedef. Signed-off-by: NJeff Garzik <jgarzik@redhat.com>
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- 20 10月, 2007 1 次提交
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由 Jiri Slaby 提交于
remove asm/bitops.h includes including asm/bitops directly may cause compile errors. don't include it and include linux/bitops instead. next patch will deny including asm header directly. Cc: Adrian Bunk <bunk@kernel.org> Signed-off-by: NJiri Slaby <jirislaby@gmail.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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- 11 10月, 2007 1 次提交
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由 Stephen Hemminger 提交于
Several devices have multiple independant RX queues per net device, and some have a single interrupt doorbell for several queues. In either case, it's easier to support layouts like that if the structure representing the poll is independant from the net device itself. The signature of the ->poll() call back goes from: int foo_poll(struct net_device *dev, int *budget) to int foo_poll(struct napi_struct *napi, int budget) The caller is returned the number of RX packets processed (or the number of "NAPI credits" consumed if you want to get abstract). The callee no longer messes around bumping dev->quota, *budget, etc. because that is all handled in the caller upon return. The napi_struct is to be embedded in the device driver private data structures. Furthermore, it is the driver's responsibility to disable all NAPI instances in it's ->stop() device close handler. Since the napi_struct is privatized into the driver's private data structures, only the driver knows how to get at all of the napi_struct instances it may have per-device. With lots of help and suggestions from Rusty Russell, Roland Dreier, Michael Chan, Jeff Garzik, and Jamal Hadi Salim. Bug fixes from Thomas Graf, Roland Dreier, Peter Zijlstra, Joseph Fannin, Scott Wood, Hans J. Koch, and Michael Chan. [ Ported to current tree and all drivers converted. Integrated Stephen's follow-on kerneldoc additions, and restored poll_list handling to the old style to fix mutual exclusion issues. -DaveM ] Signed-off-by: NStephen Hemminger <shemminger@linux-foundation.org> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 31 8月, 2007 1 次提交
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由 Divy Le Ray 提交于
cxgb3 used netdev_priv() and dev->priv for different purposes. In 2.6.23, netdev_priv() == dev->priv, cxgb3 needs a fix. This patch is a partial backport of Dave Miller's changes in the net-2.6.24 git branch. Without this fix, cxgb3 crashes on 2.6.23. Signed-off-by: NDivy Le Ray <divy@chelsio.com> Signed-off-by: NJeff Garzik <jeff@garzik.org>
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- 09 7月, 2007 1 次提交
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由 Divy Le Ray 提交于
Streamline sge page management. Fix dma mappings when buffers are recycled. Signed-off-by: NDivy Le Ray <divy@chelsio.com> Signed-off-by: NJeff Garzik <jeff@garzik.org>
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- 27 2月, 2007 2 次提交
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由 Divy Le Ray 提交于
Populate Rx free list with pages. Signed-off-by: NDivy Le Ray <divy@chelsio.com> Signed-off-by: NJeff Garzik <jeff@garzik.org>
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由 Divy Le Ray 提交于
Improve the traffic recovery after the HW ran out of response queue entries. Signed-off-by: NDivy Le Ray <divy@chelsio.com> Signed-off-by: NJeff Garzik <jeff@garzik.org>
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- 06 2月, 2007 4 次提交
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由 Divy Le Ray 提交于
Dual licensing, needed for OFED 1.2 Signed-off-by: NDivy Le Ray <divy@chelsio.com> Signed-off-by: NJeff Garzik <jeff@garzik.org>
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由 Divy Le Ray 提交于
Include <linux/mutex.h> in adapter.h Signed-off-by: NDivy Le Ray <divy@chelsio.com> Signed-off-by: NJeff Garzik <jeff@garzik.org>
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由 Divy Le Ray 提交于
Inform FW about the queue set->interface mapping. Signed-off-by: NDivy Le Ray <divy@chelsio.com> Signed-off-by: NJeff Garzik <jeff@garzik.org>
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由 Divy Le Ray 提交于
This driver is required by the Chelsio T3 RDMA driver posted by Steve Wise. Signed-off-by: NDivy Le Ray <divy@chelsio.com> Signed-off-by: NJeff Garzik <jeff@garzik.org>
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