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path: root/drivers/net/netxen/netxen_nic_hw.c
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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: improve pci memory accessDhananjay Phadke
o Access on card memory through memory controller (agent) rather than moving small pci window around. Clean up the code for moving windows around. o Restrict memory accesss to 64 bit, currently only firmware download uses this. Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-09-07netxen: refactor firmware info codeDhananjay Phadke
o Combine netxen_get_firmware_info(), netxen_check_options() so that they are updated every time firmware is reset. o Set dma mask everytime firmware is reset. 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>
2009-08-26netxen: bridged mode optimizationsNarender Kumar
When the interface is put in bridged mode, destination mac addresses are unknown to firmware. So packets take a slow path (lower priority) in firmware reducing performance. Firmware can cache limited number of remote unicast mac addresses for certain interval, if "dynamic mac learning" mode is enabled. Driver needs to enable this "mac learning" mode in firmware. Currently this is done through net device class sysfs entry, possibly this can also be done upon netlink notifications to from bridge. 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>
2009-08-26netxen: 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>
2009-08-24netxen: 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>
2009-08-24netxen: 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>
2009-08-05netxen: remove unnecessary structuresDhananjay Phadke
Remove unnecessary offsetof calulations on these structures: netxen_board_info, netxen_user_old_info, netxen_new_user_info. The offsets into the flash are fixed, don't need to be calculated. 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: 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>
2009-07-20netxen: 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>
2009-06-18netxen: 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>
2009-06-18netxen: fix detection of cut-thru firmware modeDhananjay Phadke
Fix the detection of cut-thru mode of the hardware (direct dma to host) to mode configured in SRE (ingress block) rather than onboard memory control. Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-05-09netxen: trivial register access cleanupDhananjay Phadke
Remove unnecessary length parameter since it's always 4 bytes. Signed-off-by: Dhananjay Phadke <dhananjay@netxen.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 mac list managementDhananjay Phadke
o use standard linked list api for mac addr list management in NX3031. o release mac addresses in firmware in dev close(). 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>
2009-04-29netxen: 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>
2009-04-29netxen: 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: cache align register map tableDhananjay Phadke
Aligning register offset translation table imporves performance on rx side. 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: 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>
2009-04-08netxen: code cleanupDhananjay Phadke
o remove unused structure defs. o remove unnecessary includes. o replace enums with specific #defines. o reduce footprint of stats structure. Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-03-17Merge branch 'master' of ↵David S. Miller
master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 Conflicts: drivers/net/igb/igb_main.c drivers/net/qlge/qlge_main.c drivers/net/wireless/ath9k/ath9k.h drivers/net/wireless/ath9k/core.h drivers/net/wireless/ath9k/hw.c
2009-03-17netxen: fix firmware download warningsDhananjay Phadke
Fix following warnings, by using integer firmware types. drivers/net/netxen/netxen_nic_hw.c: In function 'netxen_load_firmware': drivers/net/netxen/netxen_nic_hw.c:1146: warning: comparison with string literal results in unspecified behavior drivers/net/netxen/netxen_nic_hw.c:1146: warning: comparison with string literal results in unspecified behavior drivers/net/netxen/netxen_nic_hw.c:1146: warning: comparison with string literal results in unspecified behavior drivers/net/netxen/netxen_nic_hw.c:1159: warning: comparison with string literal results in unspecified behavior drivers/net/netxen/netxen_nic_hw.c:1159: warning: comparison with string literal results in unspecified behavior drivers/net/netxen/netxen_nic_hw.c:1159: warning: comparison with string literal results in unspecified behavior Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> 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: 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>
2009-03-14netxen: add suspend resume supportDhananjay Phadke
Detach network interface on PCI suspend and recreate hardware context after resumes. Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-03-14netxen: fix endianness in serial numberDhananjay Phadke
Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-03-14netxen: remove old flash check.Dhananjay Phadke
Remove flash size check which made sense only for ancient boards with 1MB flash. The check is based on values read from specific locations and fails with firmware size changes. This prevents driver from getting right mac addresses. 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>
2009-03-03netxen: firmware download improvementsDhananjay Phadke
o set port mode after resetting device. o prefer cut-through firmware (doesn't require on-card memory). o load flashed firmware if newer. 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>
2009-02-25netxen: cleanup unused codeDhananjay Phadke
Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-02-25netxen: firmware download supportDhananjay Phadke
Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-02-18netxen: ratelimit error printsDhananjay Phadke
If for some reason, read from card memory fails the console get flooded with failure prints. This patch confines print under printk_ratelimit(). Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-02-18netxen: fix sparse warningsDhananjay Phadke
Fix following sparse warnings (multiple instances) warning: restricted degrades to integer warning: cast to restricted type warning: incorrect type in argument 3 (different signedness) warning: context imbalance in 'netxen_nic_hw_write_wx_2M' - different lock contexts for basic block Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-01-15netxen: hold tx lock while sending firmware commandsDhananjay Phadke
Some firmware commands like mac address addition/deletion are sent on the transmit ring. So need to hold the tx lock before touching tx producer/consumer indices. Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-01-15netxen: cleanup mac list on driver unloadDhananjay Phadke
This fixes a tiny memory leak when driver is unloaded. The mac address list maintained in netxen_adapter needs to deleted when driver is going down. Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-01-15netxen: firmware init fixDhananjay Phadke
o Fix order or rom register writes. o Reduce udelays when writing rom registers. This cuts the firmware init time by 40%. o Do not reset core/memory clocks when reinitializing driver. Firmware willl handle this when initialized. Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-01-15netxen: fix link speed reporting for some boardsDhananjay Phadke
o Read negotiated link speed when link state changes. o Fix link speed reporting for hybrid nic boards, which have both 1Gbps and 10Gbps ports. Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-01-15netxen: fix ipv6 offload and tx cleanupDhananjay Phadke
o fix the ip/tcp hdr offset in tx descriptors for ipv6. o cleanup xmit function, move the tso checks into separate function, this reduces unnecessary endian conversions back and forth. o optimize macros to initialize tx descriptors. Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-01-15netxen: fix endianness in firmware commandsDhananjay Phadke
o Set restricted (little endian) data types in firmware command requests and responses. o Remove unnecessary conversion to LE when writing registers. Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-12-26drivers/net/netxen: fix sparse warnings: use NULL pointer instead of plain ↵Hannes Eder
integer Fix this sparse warnings: drivers/net/netxen/netxen_nic_hw.c:1462:18: warning: Using plain integer as NULL pointer drivers/net/netxen/netxen_nic_hw.c:1536:18: warning: Using plain integer as NULL pointer Signed-off-by: Hannes Eder <hannes@hanneseder.net> Signed-off-by: David S. Miller <davem@davemloft.net>