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* bnx2: Add TX multiqueue support.Benjamin Li2008-07-191-0/+3
| | | | | | Signed-off-by: Benjamin Li <benli@broadcom.com> Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* bnx2: Support secondary MAC addresses.Benjamin Li2008-07-151-0/+5
| | | | | | | | | | | | | | Add support for configuring secondary unicast addresses. There are 4 additional perfect match filters which can be used for secondary unicast address support. * Modified bnx2_set_mac_addr() to be more generic in handling the setting of the perfect match filters * Changed bnx2_set_rx_mode() to handle the unicast dev_addr_list Signed-off-by: Benjamin Li <benli@broadcom.com> Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* bnx2: Allow flexible VLAN tag settings.Michael Chan2008-07-151-0/+6
| | | | | | | | | | Negotiate with boot code and ASF firmware to see if it can support keeping VLAN tags in the RX packets. If supported by firmware, the VLAN tag will be kept in the RX packet unless VLAN acceleration is registered. Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* bnx2: Turn on multi rx rings.Michael Chan2008-06-201-1/+25
| | | | | | | | | Enable multiple rx rings if MSI-X vectors are available. We enable up to 7 rx rings. Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: Benjamin Li <benli@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* bnx2: Optimize fast-path tx and rx work.Michael Chan2008-06-201-3/+6
| | | | | | | | | | | | | | | | Add hw_tx_cons_ptr and hw_rx_cons_ptr to speed up the retreival of the tx and rx consumer index, since the MSI-X and default status blocks have different structures. Combine status_blk and status_blk_msix into a union. We'll only use one type of status block for each vector. Separate the code to detect more rx and tx work from the code to detect link related work. Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: Benjamin Li <benli@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* bnx2: Put rx ring variables in a separate struct.Michael Chan2008-06-201-14/+24
| | | | | | | | | | | | | In preparation for multi-ring support, rx ring variables are now put in a separate bnx2_rx_ring_info struct. With MSI-X, we can support multiple rx rings. The functions to allocate/free rx memory and to initialize rx rings are now modified to handle multiple rings. Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: Benjamin Li <benli@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* bnx2: Put tx ring variables in a separate struct.Michael Chan2008-06-201-16/+18
| | | | | | | | | | | | | | In preparation for multi-ring support, tx ring variables are now put in a separate bnx2_tx_ring_info struct. Multi tx ring will not be enabled until it is fully supported by the stack. Only 1 tx ring will be used at the moment. The functions to allocate/free tx memory and to initialize tx rings are now modified to handle multiple rings. Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: Benjamin Li <benli@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* Merge branch 'master' of ↵David S. Miller2008-06-141-1/+0
|\ | | | | | | | | | | | | | | master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 Conflicts: drivers/net/smc911x.c
| * net: Eliminate flush_scheduled_work() calls while RTNL is held.David S. Miller2008-06-121-1/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | If the RTNL is held when we invoke flush_scheduled_work() we could deadlock. One such case is linkwatch, it is a work struct which tries to grab the RTNL semaphore. The most common case are net driver ->stop() methods. The simplest conversion is to instead use cancel_{delayed_}work_sync() explicitly on the various work struct the driver uses. This is an OK transformation because these work structs are doing things like resetting the chip, restarting link negotiation, and so forth. And if we're bringing down the device, we're about to turn the chip off and reset it anways. So if we cancel a pending work event, that's fine here. Some drivers were working around this deadlock by using a msleep() polling loop of some sort, and those cases are converted to instead use cancel_{delayed_}work_sync() as well. Signed-off-by: David S. Miller <davem@davemloft.net>
* | bnx2: Rename RX_COPY_THRESH to BNX2_RX_COPY_THRESH.Benjamin Li2008-05-171-1/+1
| | | | | | | | | | | | | | | | | | To make the bnx2 code more consistent, all instances of RX_COPY_THRESH have been changed to BNX2_RX_COPY_THRESH. Signed-off-by: Benjamin Li <benli@broadcom.com> Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | bnx2: Remove the rx_offset field from the bnx2 structure.Benjamin Li2008-05-171-1/+1
|/ | | | | | | | | | | | | | The rx_offset field is set to a constant value and initialized only once. By replacing all references to the rx_offset field, we can eliminate rx_offset from the bnx2 structure. This will save 4 bytes for every bnx2 instance. [Added parentheses to the definition of BNX2_RX_OFFSET, as noted by Ben Hutchings.] Signed-off-by: Benjamin Li <benli@broadcom.com> Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [BNX2]: Disable parallel detect on an HP blade.Michael Chan2008-02-241-0/+1
| | | | | | | | | Because of some board issues, we need to disable parallel detect on an HP blade. Without this patch, the link state can become stuck when it goes into parallel detect mode. Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [BNX2]: Fine-tune flow control on 5709.Michael Chan2008-02-011-1/+10
| | | | | | | | Make use of the programmable high/low water marks in 5709 for 802.3 flow control. Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [BNX2]: Remove CTX_WR macro.Michael Chan2008-02-011-7/+0
| | | | | | | The CTX_WR macro is unnecessary and obfuscates the code. Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [BNX2]: Remove REG_WR_IND/REG_RD_IND macros.Michael Chan2008-02-011-9/+0
| | | | | | | | | | The REG_WR_IND/REG_RD_IND macros are unnecessary and obfuscate the code. Many callers to these macros read and write shared memory from the bp->shmem_base, so we add 2 similar functions that automatically add the shared memory base. Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [BNX2]: Refine tx coalescing setup.Michael Chan2008-02-011-0/+9
| | | | | | | Make the tx coalescing setup code independent of the MSIX vector. Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [BNX2]: Fix 5706 serdes link down bug.Michael Chan2008-02-011-1/+2
| | | | | | | | 1. Correct the MII expansion serdes control register definition. 2. Check an additional RUDI_INVALID bit when determining 5706S link. Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* bnx2 annotationsAl Viro2008-01-291-1/+1
| | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [BNX2]: Fix driver phy_flags name space.Michael Chan2008-01-291-10/+10
| | | | | | | Prefix "bp->phy_flags" names with BNX2_PHY_FLAG_* for consistency. Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [BNX2]: Fix driver software flag namespace.David S. Miller2008-01-291-12/+13
| | | | | | Prefix "bnx2->flags" names with BNX2_* for consistency. Signed-off-by: David S. Miller <davem@davemloft.net>
* [BNX2]: Add link-down workaround on 5706 serdes.Michael Chan2008-01-291-0/+10
| | | | | | | | | | | | | In some blade systems using the 5706 serdes, the hardware sometimes does not properly generate link down interrupts. We add a workaround in the driver's timer to force a link-down when some PHY registers report loss of SYNC. The parallel detect logic is cleaned up slightly to better integrate the workaround. Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [BNX2]: Disable jumbo rx paging on 5709 Ax.Michael Chan2008-01-291-0/+1
| | | | | | | The chip has problem running in this mode and needs to be disabled. Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [BNX2]: Enable new tx ring.Michael Chan2008-01-281-1/+1
| | | | | | | | Enable new tx ring and add new MSIX handler and NAPI poll function for the new tx ring. Enable MSIX when the hardware supports it. Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [BNX2]: Add support for a new tx ring.Michael Chan2008-01-281-0/+5
| | | | | | | | | To separate TX IRQs into a different MSIX vector, we need to support a new tx ring. The original tx ring will still be used when not using MSIX. Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [BNX2]: Support multiple MSIX IRQs.Michael Chan2008-01-281-2/+38
| | | | | | | | Change bnx2_napi struct into an array and add code to manage multiple IRQs. MSIX hardware structures and new registers are also added. Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [BNX2]: Move rx indexes into bnx2_napi struct.Michael Chan2008-01-281-7/+8
| | | | | | | | Rx related fields used in NAPI polling are moved from the main bnx2 struct to the bnx2_napi struct. Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [BNX2]: Move tx indexes into bnx2_napi struct.Michael Chan2008-01-281-3/+3
| | | | | | | | Tx related fields used in NAPI polling are moved from the main bnx2 struct to the bnx2_napi struct. Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [BNX2]: Introduce new bnx2_napi structure.Michael Chan2008-01-281-5/+11
| | | | | | | | | | | | | Introduce a bnx2_napi structure that will hold a napi_struct and other fields to handle NAPI polling for the napi_struct. Various tx and rx indexes and status block pointers will be moved from the main bnx2 structure to this bnx2_napi structure. Most NAPI path functions are modified to be passed this bnx2_napi struct pointer. Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [BNX2]: Restructure IRQ datastructures.Michael Chan2008-01-281-0/+12
| | | | | | | | | Add a table to keep track of multiple IRQs and restructure the IRQ request and free functions so that they can be easily expanded to handle multiple IRQs. Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [BNX2]: Add fast path code to handle RX pages.Michael Chan2008-01-281-0/+2
| | | | | | | | | Add function to reuse a page in case of allocation or other errors. Add code to construct the completed SKB with the additional data in the pages. Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [BNX2]: Add init. code to handle RX pages.Michael Chan2008-01-281-0/+28
| | | | | | | | Add new fields to keep track of the pages and the page rings. Add functions to allocate and free pages. Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [BNX2]: Restructure RX ring init. code.Michael Chan2008-01-281-1/+7
| | | | | | | | | | | | Factor out the common functions that will be used to initialize the normal RX rings and the page rings. Change the copybreak constant RX_COPY_THRESH to 128. This same constant will be used for the max. size of the linear SKB when pages are used. Copybreak will be turned off when pages are used. Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [BNX2]: Add ring constants.Michael Chan2008-01-281-0/+5
| | | | | | | Define the various ring constants to make the code cleaner. Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [BNX2]: Fix RX packet rot.Michael Chan2007-12-111-1/+0
| | | | | | | | | | | | | | | Packets can be left in the RX ring if the NAPI budget is reached. This is caused by storing the latest rx index at the beginning of bnx2_rx_int(). We may not process all the work up to this index if the budget is reached and so some packets in the RX ring may rot when we later check for more work using this stored rx index. The fix is to not store this latest hw index and only store the processed rx index. We use a new function bnx2_get_hw_rx_cons() to fetch the latest hw rx index. Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [BNX2]: Fix default WoL setting.Michael Chan2007-10-111-0/+1
| | | | | | | | | Change the default WoL setting to match the NVRAM's setting. It always defaulted to WoL disabled before and caused a lot of confusion for users. Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [BNX2]: Optimize firmware loading.Michael Chan2007-10-111-3/+1
| | | | | | | | | | | | | | This is a follow up to the patches from Denys Vlasenkos <vda.linux@googlemail.com> to further optimize firmware loading. 1. In bnx2_init_cpus(), we allocate memory for decompression once and use it repeatedly instead of doing this for every firmware image. 2. We eliminate the BSS and SBSS firmware sections in bnx2_fw*.h since these are always zeros. Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [BNX2]: factor out gzip unpackerDenys Vlasenko2007-10-111-4/+1
| | | | | | | | | | | | | | | | This patch modifies gzip unpacking code in bnx2 driver so that it does not depend on bnx2 internals. I will move this code out of the driver and into zlib in follow-on patch. It can be useful in other drivers which need to store firmwares or any other relatively big binary blobs - fonts, cursor bitmaps, whatever. Patch is run tested by Michael Chan (driver author). Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com> Acked-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET]: Make NAPI polling independent of struct net_device objects.Stephen Hemminger2007-10-111-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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: Stephen Hemminger <shemminger@linux-foundation.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [BNX2]: Support NVRAM on 5709.Michael Chan2007-07-181-1/+9
| | | | | | | | | | | The NVRAM interface is slightly modified on the 5709. To properly support it, we need to change the buffered flag in the flash data structure into multiple flags to indicate buffered operation, address translation, and the use of write enable (WREN). The 5709 flash only requires the buffered operation bit to be set. Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [BNX2]: Print management firmware version.Michael Chan2007-07-111-1/+11
| | | | | | | Add management firmware version for ethtool -i. Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [BNX2]: Enhance the heartbeat.Michael Chan2007-07-111-0/+3
| | | | | | | | | | | | | | In addition to the periodic heartbeat, we're adding a heartbeat request interrupt when the heartbeat is late. This is needed during netpoll where the timer is not available. -rt kernels will also benefit since the timer is not as accurate. [ We discussed this patch last time and we decided that the -rt kernel problem alone did not justify this patch. I think the netpoll problem makes this patch necessary. ] Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [BNX2]: Add remote PHY bit definitions.Michael Chan2007-07-111-1/+50
| | | | | | | | Add new fields in struct bnx2 and other bit definitions in shared memory to support remote PHY. Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [BNX2]: Enable DMA on 5709.Michael Chan2007-06-071-0/+1
| | | | | | | | | Add missing code to enable DMA on 5709 A1. The bit is a no-op on A0 and therefore can be set on all 5709 chips. Signed-off-by: Michael Chan <mchan@broadcom.com> Acked-by: Jeff Garzik <jeff@garzik.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [BNX2]: Update version and reldate.Michael Chan2007-05-031-1/+1
| | | | | | | Update version to 1.5.10. Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [BNX2]: Print bus information for PCIE devices.Michael Chan2007-05-031-0/+1
| | | | | | | Fix the code to print PCI or PCIE bus information for all devices. Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [BNX2]: Add 1-shot MSI handler for 5709.Michael Chan2007-05-031-6/+8
| | | | | | | | | | | The 5709 supports the one-shot MSI handler similar to some of the tg3 chips. In this mode, the MSI disables itself automatically until it is re-enabled at the end of NAPI poll. Put the request_irq/free_irq logic in common procedures. Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [BNX2]: Add indirect spinlock.Michael Chan2007-05-031-0/+1
| | | | | | | | The indirect register access method will be used by more than one caller in BH context (NAPI poll and timer), so a spinlock is required. Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [BNX2]: Add support for 5709 Serdes.Michael Chan2007-05-031-0/+36
| | | | | | | Add PCI ID and code to support the 5709 Serdes PHY. Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [BNX2]: Put MII register offsets in the bnx2 struct.Michael Chan2007-05-031-0/+6
| | | | | | | | The 5709 Serdes device uses non-standard MII register offsets. This re-structuring will make it easier to support 5709 Serdes. Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [BNX2]: Add ipv6 TSO and checksum for 5709.Michael Chan2007-05-031-0/+4
| | | | | Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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