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* qla3xxx: bugfix: Move link state machine into a worker threadRon Mercer2007-11-10
| | | | | | | | | | | | The link state machine requires access to some resources that are shared with the iSCSI function on the chip. (See iSCSI driver at drivers/scsi/qla4xxx) If the interface is being up/downed at a rapid pace this driver may need to sleep waiting to get access to the common resources. For this we are moving the state machine to run as a work thread. Signed-off-by: Ron Mercer <ron.mercer@qlogic.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* drivers/net/qla3xxx: trim trailing whitespaceJeff Garzik2007-10-10
| | | | | | Also, hopefully, change the file permissions to 0644. Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
* [NET] drivers/net: statistics cleanup #1 -- save memory and shrink codeJeff Garzik2007-10-10
| | | | | | | | | | | | | | | | | We now have struct net_device_stats embedded in struct net_device, and the default ->get_stats() hook does the obvious thing for us. Run through drivers/net/* and remove the driver-local storage of statistics, and driver-local ->get_stats() hook where applicable. This was just the low-hanging fruit in drivers/net; plenty more drivers remain to be updated. [ Resolved conflicts with napi_struct changes and fix sunqe build regression... -DaveM ] Signed-off-by: Jeff Garzik <jeff@garzik.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET]: Make NAPI polling independent of struct net_device objects.Stephen Hemminger2007-10-10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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>
* qla3xxx: Adding support for the Agere PHY (ET1011C)Ron Mercer2007-04-28
| | | | | | | This PHY support patch was written by Benjamin Li. Signed-off-by: Benjamin Li <benjamin.li@qlogic.com> Signed-off-by: Ron Mercer <ron.mercer@qlogic.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* qla3xxx: bugfix: Jumbo frame handling.Ron Mercer2007-03-28
| | | | | | | | | | Fixed rx checksum bits. Turn on TCP processing for rx checksum. Fixed max frame length register write. It wasn't getting set in multi-port system. Set rx buffer queue length properly for jumbo frames. Signed-off-by: Ron Mercer <ron.mercer@qlogic.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* qla3xxx: Kernic Panic on pSeries under stress conditionsBenjamin Li2007-02-27
| | | | | | | | | | | | | | | | | | | | To reproduce this panic consistently, we run an intensive network application like 'netperf'. After waiting for a couple of seconds, you will see a stack trace and a kernel panic where we are calling pci_unmap_single() in ql_poll(). Changes: 1) Check the flags on the Response MAC IO Control block to check for errors 2) Ensure that if we are on the 4022 we only use one segment 3) Before, we were reading the memory mapped producer index register everytime we iterated in the loop when clearing the queue. We should only be iterating to a known point, not as the producer index is being updated. Signed-off-by: Benjamin Li <benjamin.li@qlogic.com> Signed-off-by: Ron Mercer <ron.mercer@qlogic.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* qla3xxx: bugfix: Fixed jumbo frame handling for 3032 chip.Ron Mercer2007-02-27
| | | | | | | | The scatter/gather lists were not being build correctly. When large frames spanned several buffers the chip would panic. Signed-off-by: Ron Mercer <ron.mercer@qlogic.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* qla3xxx: Dynamically size the rx buffer queue based on the MTU.Ron Mercer2007-02-27
| | | | | | | | | This change removes use of constants for rx buffer queue size and instead calculates the queue length based on what he MTU is set to. Signed-off-by: Ron Mercer <ron.mercer@qlogic.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* qla3xxx: Add support for Qlogic 4032 chip.Ron Mercer2007-02-05
| | | | | | Qlogic 4032 chip is an incremental change from the 4022. Signed-off-by: Ron Mercer <ron.mercer@qlogic.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* WorkStruct: make allyesconfigDavid Howells2006-11-22
| | | | | | Fix up for make allyesconfig. Signed-Off-By: David Howells <dhowells@redhat.com>
* [PATCH] qla3xxx iomem annotationsAl Viro2006-09-24
| | | | | | | the driver is still shite, though... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] qla3xxx NIC driverRon Mercer2006-07-29
This is a complementary network driver for our ISP4XXX parts. There is a concurrent effort underway to get the iSCSI driver (qla4xxx) integrated upstream as well. I have been through several iterations with the linux-netdev list and have had much response from Stephen Hemminger. - Built and tested using kernel 2.6.17-rc4. - The chip supports two ethernet and two iSCSI functions. - The functions ql_sem_lock, ql_sem_spinlock, ql_sem_unlock, and ql_wait_for_drvr_lock are used to protect resources that are shared across the network and iSCSI functions. This protection is mostly during chip initialization and resets, but also include link management. - The PHY/MII are not exported through ethtool due to the fact that the iSCSI function will control the common link at least 50% of the time. This driver has been through several iterations on the netdev list and we feel this driver is ready for inclusion in the upstream kernel. It has been built and tested on x86 and PPC64 platforms. Cc: Jeff Garzik <jeff@garzik.org> Cc: Stephen Hemminger <shemminger@osdl.org> Signed-off-by: Ron Mercer <ron.mercer@qlogic.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
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