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path: root/drivers/net/netxen/netxen_nic_init.c
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2009-11-21netxen: fix memory initializationAmit Kumar Salecha
Avoid resetting memory during initialization, skip this memory block during driver probe. Signed-off-by: Amit Kumar Salecha <amit@netxen.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-10-22netxen: fix i2c initDhananjay Phadke
Avoid resetting subsys ID in i2c block. Also remove duplicate check for address tranlsation error. Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-09-11netxen: update copyrightDhananjay Phadke
o Add QLogic copyright, add linux-driver@qlogic.com to MAINTAINERS. o Delete old contact information. Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-09-11netxen: fix tx timeout recoveryAmit Kumar Salecha
Redesign tx timeout handling in line with new firmware reset design that co-ordinates with other PCI function drivers. o For NX3031, first try to reset PCI function's own context before requesting firmware reset. o For NX2031, since firmware heartbit is not supported directly request firmware reset. Signed-off-by: Amit Kumar Salecha <amit@netxen.com> Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-09-11netxen: change firmware write sizeAmit Kumar Salecha
Use 8 byte strides for firmware download into card memory since oncard memory controller needs 8 byte (64 bit) accesses. This avoids unnecessary rmw cycles. Signed-off-by: Amit Kumar Salecha <amit@netxen.com> Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-09-07netxen: pre calculate register addressesAmit Kumar Salecha
For registers accessed in fast path (interrupt / softirq) avoid expensive I/O address translation. These registers are directly mapped in PCI bar 0 and do not require any window checks. Signed-off-by: Amit Kumar Salecha <amit@netxen.com> Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-09-07netxen: handle firmware load errorsDhananjay Phadke
Unwind allocations and release file firmware when when firmware load fails. Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-09-03netxen: fix lro buffer allocationDhananjay Phadke
Alloc 12k skbuffs so that firmware can aggregate more packets into one buffer. This doesn't raise memory consumption since 9k skbs use 16k slab cache anyway. Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-08-26netxen: remove netxen_nic_niu.cDhananjay Phadke
Consolidate all MAC/PHY access functions into netxen_nic_hw.c Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-08-26netxen: implement generic pcie semaphore functionsDhananjay Phadke
Implement common function for locking/unlocking 8 hardware semaphores used for serializing access to shared resouces on a NIC board by different PCI functions. As by definition, callers of these semaphore API can be put to sleep till the semaphore is locked. Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-08-26netxen: remove unused codeDhananjay Phadke
Remove code for phy access on unreleased NX2031 based quad-gig board. NX3031 based production quad-gig boards do not require direct phy access by driver. Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-08-23netxen: remove netxen_nic_phan_reg.hDhananjay Phadke
Consolidate register definitions in netxen_nic_hdr.h Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-08-23netxen: ethtool statistics and control for LRONarender Kumar
Add ethtool -K knob to control LRO in firmware. LRO path is completely separated from GRO, LRO packets are still fed with netif_receive_skb(). Also fix ethtool statistics to include LRO packets. Also use correct message type while configuring interrupt coalescing. Signed-off-by: Narender Kumar <narender.kumar@qlogic.com> Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-08-13Merge branch 'master' of ↵David S. Miller
master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 Conflicts: drivers/net/netxen/netxen_nic_main.c
2009-08-13netxen: free napi resources during detachDhananjay Phadke
o Defer napi resouce allocation to device attach. o Free napi resources and delete napi during detach. This ensures right behavior across firmware reset. Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-08-05netxen: add hardware LRO supportDhananjay Phadke
Add support to handle aggregate packets from firmware. Local TCP flows are automatically identified by firmware based on the dest IP hash added by driver for local IP addresses. The packets are sent down on the jumbo rx ring. Signed-off-by: Narender Kumar <narender.kumar@qlogic.com> Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-07-30Merge branch 'master' of ↵David S. Miller
master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 Conflicts: drivers/net/wireless/iwlwifi/iwl-3945.h drivers/net/wireless/iwlwifi/iwl-tx.c drivers/net/wireless/iwlwifi/iwl3945-base.c
2009-07-27netxen: fix skb alloc size for legacy firmwareDhananjay Phadke
Request 1532 bytes skb data size for NX3031. NX2031 firmware needs 1760 sized buffers. Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-07-27netxen: clean up firmware version checksDhananjay Phadke
NX2031 firmware version will never be > 4.0.0, so replace (adapter->fw_major < 4) checks with pci revision ID check. Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-07-27netxen: annotate dma watchdog setupDhananjay Phadke
o remove superfluous code to setup PCI dma watchdog for NX2031. o disable dma watchdog completely for NX3031 (not required). Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-07-27netxen: enable ip addr hashingDhananjay Phadke
NX3031 hardware requires local IP addresses for packet accumulation (LRO). IP address hashing is required to distinguish a local TCP flow from others (forwarded or guest). This patch adds listener for IP and netdev events and configures IP address in the firmware. Signed-off-by: Amit Kumar Salecha <amit@netxen.com> Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-07-27netxen: refresh firmware info after resetDhananjay Phadke
o move dma mask update to netxen_start_firmware() so that if firmware changes across suspend (e.g. file -> flash) it reflects right dma mask. o re-read firmware capabilities after firmware reset. Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-07-26netxen: reset ring consumer during cleanupDhananjay Phadke
Reset consumer of status rings to 0 when cleaning up sw resources. Status rings are not deleted during suspend since they have napi objects. This ensures correct rx processing across suspen-resume. Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-07-20netxen: fix deadlock on dev closeDhananjay Phadke
netxen: fix deadlock on dev close The tx ring accounting fix in commit cb2107be43d2fc5eadec58b92b ("netxen: fix tx ring accounting") introduced intermittent deadlock when inteface is going down. This was possibly combined effect of speculative tx pause, calling netif_tx_lock instead of queue lock and unclean synchronization with napi which could end up unmasking interrupt. Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-07-02netxen: avoid frequent firmware resetDhananjay Phadke
Restrict firmware reset to following cases - o chip rev is NX2031 (firmare doesn't support heartbit). o firmware is dead. o previous attempt to init firmware had failed. o we have got newer file firmware. This speeds up module load tremendously (by upto 8 sec), also avoids downtime for NCSI (management) pass-thru traffic. Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-07-02netxen: fix the version code macroDhananjay Phadke
Correct firmware encoding is 8 bit major, 8 bit minor and 16 bit subversion. Flash has sizes rightly set, but original driver submission messed it leaving 16 bit major and 8 bit subversion. Also fix a infinite loop when cut-thru file firmware is invalid. Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-06-23netxen: fix firmware init handshakeDhananjay Phadke
Make sure all functions run firmware init handshake. If PCI function 0 fails to initialize firmware, mark the state failed so that other functions on the same board bail out quickly instead of waiting 30s for firmware handshake. Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-06-18netxen: fix tx ring accountingDhananjay Phadke
This forces every update of tx ring producer to check for availability of space for next full TSO command. Earlier firmware control commands didn't care to pause tx queue. Stop the tx queue if there's not enough space to transmit one full LSO command left on the tx ring after current transmit. This avoids returning NETDEV_TX_BUSY after checking distance between producer and consumer on every cpu. Restart the tx queue only if we have cleaned up enough tx descriptors. Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-06-11netxen: No need to check vfree() pointer.Figo.zhang
vfree() does its own 'NULL' check, so no need for check before calling it. Signed-off-by: Figo.zhang <figo1802@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-05-06netxen: fix bonding supportDhananjay Phadke
o Pause traffic during mac addr change. o Enable setting mac address for NX3031. Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-05-06netxen: fix race in tx ring acccessDhananjay Phadke
Fix the distance check between tx ring producer and consumer that could lead to tx ring wrap around. Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-04-28netxen: fix firmware downloadDhananjay Phadke
o hold the firmware in memory across suspend, since filesystem may not be up after resuming. o reset the chip after requesting firmware, to minimize downtime for NC-SI. Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-04-28netxen: refactor netxen_recv_context structDhananjay Phadke
o move related fields into netxen_recv_context struct. o allocate rx buffer and descriptor rings dynamically. Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-04-08netxen: enable GRO supportAmit Kumar Salecha
Signed-off-by: Amit Kumar Salecha <amit@netxen.com> Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-04-08netxen: sanitize function namesDhananjay Phadke
Replace superfluous wrapper functions with two macros: NXWR32 replaces netxen_nic_reg_write, netxen_nic_write_w0, netxen_nic_read_w1, netxen_crb_writelit_adapter. NXRD32 replaces netxen_nic_reg_read, netxen_nic_read_w0, netxen_nic_read_w1. Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-04-08netxen: annotate register access functionsDhananjay Phadke
o remove unnecessary length parameter since register access width is fixed 4 byte. o remove superfluous pci_read_normalize and pci_write_normalize functions. Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-04-08netxen: async link event handlingDhananjay Phadke
Add support for asynchronous events from firmware, received over one of the rx rings. Add support for event based phy interrupts, enhanced links status reporting from firmware. Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-04-08netxen: defer firmware handshakeDhananjay Phadke
Removed duplicate firmware handshake, defer it until first port (interface) is brought up. Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-04-08netxen: refactor transmit codeDhananjay Phadke
o move tx stuff into nx_host_tx_ring structure, this will help managing multiple tx rings in future. o sanitize some variable names Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-03-14netxen: add receive side scaling (rss) supportDhananjay Phadke
This patch enables the load balancing capability of firmware and hardware to spray traffic into different cpus through separate rx msix interrupts. The feature is being enabled for NX3031, NX2031 (old) will be enabled later. This depends on msi-x and compatibility with msi and legacy is maintained by enabling single rx ring. Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-03-14netxen: remove old lro codeDhananjay Phadke
Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-03-14netxen: sanitize variable namesDhananjay Phadke
o remove max_ prefix from ring sizes, since they don't really represent max possible sizes. o cleanup naming of rx ring types (normal, jumbo, lro). o simplify logic to choose rx ring size, gig ports get half rx ring of 10 gig ports. Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-03-10netxen: annotate board_config and board_typeDhananjay Phadke
Remove huge board config structure from each instance, read only necessary fields from flash. Replace board_type with port_type (1G/10G), there's another board_type field describing card type (SFP/XFP/CX4). Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-03-10netxen: cleanup superfluous multi-context codeDhananjay Phadke
MAX_RCV_CTX was set to 1, there's only rx context per PCI function. Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-03-10netxen: small xmit optimizationsDhananjay Phadke
Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-03-10netxen: cleanup rx handlingDhananjay Phadke
o remove unused rx fragment handling code. o imporove check for status descriptor ownership. Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-02-27netxen: update copyrightDhananjay Phadke
Extend copyright into 2009 and update address. Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-02-24netxen: cleanup unused codeDhananjay Phadke
Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-01-29netxen: fix memory leak in drivers/net/netxen_nic_init.cDaniel Marjamäki
For kernel bugzilla #12537: http://bugzilla.kernel.org/show_bug.cgi?id=12537 Free memory. Signed-off-by: Daniel Marjamäki <danielm77@spray.se> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-01-14netxen: handle dma mapping failuresDhananjay Phadke
o Bail out if pci_map_single() fails while replenishing rx ring. o Drop packet if pci_map_{single,page}() fail in tx. Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com> Signed-off-by: David S. Miller <davem@davemloft.net>