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path: root/drivers/net/enic
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* net: Use netdev_alloc_skb_ip_align()Eric Dumazet2009-10-13
| | | | | Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* enic: organize device initialization/deinit into separate functionsScott Feldman2009-09-03
| | | | | | | | | To unclutter probe() a little bit, put all device initialization code in one spot and device deinit code in another spot. Also remove unused rq->buf_index variable/func. Signed-off-by: Scott Feldman <scofeldm@cisco.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* enic: bug fix: check for zero port MTU before posting warningScott Feldman2009-09-03
| | | | | | | | Nic firmware can return zero for port MTU, so check for non-zero value before checking for change in port MTU. Signed-off-by: Scott Feldman <scofeldm@cisco.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* enic: changes to driver/firmware interfaceScott Feldman2009-09-03
| | | | | | | | Deprecate some old APIa; change arguments to stats dump all API; add new interrupt assert API Signed-off-by: Scott Feldman <scofeldm@cisco.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* enic: bug fix: enable VLAN filteringScott Feldman2009-09-03
| | | | | | | Bug fix: enable VLAN filtering Signed-off-by: Scott Feldman <scofeldm@cisco.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* enic: provision for multiple Rx/Tx queues; prepare for RSS supportScott Feldman2009-09-03
| | | | | | | | | | | Provision for multiple Rx/Tx queues. Max of 8 WQs and 8 RQs. Max for completion queue is 8+8=16 and max for interrupt resources is 8+8+2. Add driver/firmware interface for setting up RSS secret key and indirection table. Signed-off-by: Scott Feldman <scofeldm@cisco.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* enic: bug fix: included MAC drops in rx_dropped netstatScott Feldman2009-09-03
| | | | | | | | Bug fix: included MAC drops in rx_dropped netstat. Also track Rx trunctations stat at the MAC Signed-off-by: Scott Feldman <scofeldm@cisco.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* enic: bug fix: protect fw call i/f with spinlockScott Feldman2009-09-03
| | | | | | | | Some driver -> nic firmware calls weren't guarded with a spinlock, exposing the call i/f to a race between two threads Signed-off-by: Scott Feldman <scofeldm@cisco.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* enic: use netdev_alloc_skbScott Feldman2009-09-03
| | | | | | | Use netdev_alloc_skb rather than dev_alloc_skb Signed-off-by: Scott Feldman <scofeldm@cisco.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* enic: bug fix: split TSO fragments larger than 16K into multiple descsScott Feldman2009-09-03
| | | | | | | | enic WQ desc supports a maximum 16K buf size, so split any send fragments larger than 16K into several descs. Signed-off-by: Scott Feldman <scofeldm@cisco.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* enic: workaround A0 erratumScott Feldman2009-09-03
| | | | | | | | | | | | A0 revision ASIC has an erratum on the RQ desc cache on chip where the cache can become corrupted causing pkt buf writes to wrong locations. The s/w workaround is to post a dummy RQ desc in the ring every 32 descs, causing a flush of the cache. A0 parts are not production, but there are enough of these parts in the wild in test setups to warrant including workaround. A1 revision ASIC parts fix erratum. Signed-off-by: Scott Feldman <scofeldm@cisco.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* enic: add support for multiple BARsScott Feldman2009-09-03
| | | | | | | | Nic firmware can place resources (queues, intrs, etc) on multiple BARs, so allow driver to discover/map resources beyond BAR0. Signed-off-by: Scott Feldman <scofeldm@cisco.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* netdev: drivers should make ethtool_ops constStephen Hemminger2009-09-02
| | | | | | | No need to put ethtool_ops in data, they should be const. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* netdev: convert bulk of drivers to netdev_tx_tStephen Hemminger2009-09-01
| | | | | | | | | | | | In a couple of cases collapse some extra code like: int retval = NETDEV_TX_OK; ... return retval; into return NETDEV_TX_OK; Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* net: dont update dev->trans_start in 10GB driversEric Dumazet2009-05-29
| | | | | | | | | | | | | | | | | Followup of commits 9d21493b4beb8f918ba248032fefa393074a5e2b and 08baf561083bc27a953aa087dd8a664bb2b88e8e (net: tx scalability works : trans_start) (net: txq_trans_update() helper) Now that core network takes care of trans_start updates, dont do it in drivers themselves, if possible. Multi queue drivers can avoid one cache miss (on dev->trans_start) in their start_xmit() handler. Exceptions are NETIF_F_LLTX drivers (vxge & tehuti) Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* dma-mapping: replace all DMA_32BIT_MASK macro with DMA_BIT_MASK(32)Yang Hongyang2009-04-07
| | | | | | | | Replace all DMA_32BIT_MASK macro with DMA_BIT_MASK(32) Signed-off-by: Yang Hongyang<yanghy@cn.fujitsu.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* dma-mapping: replace all DMA_40BIT_MASK macro with DMA_BIT_MASK(40)Yang Hongyang2009-04-07
| | | | | | | | Replace all DMA_40BIT_MASK macro with DMA_BIT_MASK(40) Signed-off-by: Yang Hongyang<yanghy@cn.fujitsu.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* enic: Add api for link down count and to get firmware notification status.Scott Feldman2009-02-10
| | | | | Signed-off-by: Scott Feldman <scofeldm@cisco.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* enic: bug fix: tx_timeout reset path fix-upsScott Feldman2009-02-10
| | | | | | | | tx_timeout reset path needs to re-init dev and re-apply nic cfg to enable vlan stripping. Signed-off-by: Scott Feldman <scofeldm@cisco.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* enic: record all bad FCS errs as frame errorsScott Feldman2009-02-10
| | | | | | | | | Report all bad FCS errs as frames errs. This includes frames with bad FCS on wire detected by MAC and frames which may be truncated due to ingress FIFO overruns. No longer print a driver msg on bad FCS err. Signed-off-by: Scott Feldman <scofeldm@cisco.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* enic: bug fix: return notify intr creditsScott Feldman2009-02-10
| | | | | | | | | | Return notify intr credits after notify intr from firmware. This is especially important for legacy PCI intr mode, where not returning credits would cause PBA to remain asserted which would get us right back into the ISR. Signed-off-by: Scott Feldman <scofeldm@cisco.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* net: replace uses of __constant_{endian}Harvey Harrison2009-02-01
| | | | | | | Base versions handle constant folding now. Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* net: Remove redundant NAPI functionsBen Hutchings2009-01-21
| | | | | | | | | | | Following the removal of the unused struct net_device * parameter from the NAPI functions named *netif_rx_* in commit 908a7a1, they are exactly equivalent to the corresponding *napi_* functions and are therefore redundant. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Acked-by: Neil Horman <nhorman@tuxdriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* netdev: add missing set_mac_address hookStephen Hemminger2009-01-11
| | | | | | | | Many drivers lost the ability to set ethernet address accidently during the net_device_ops conversion. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* drivers/net/enic: fix sparse warning: make symbol staticHannes Eder2008-12-26
| | | | | | | | | Fix this sparse warning: drivers/net/enic/vnic_dev.c:288:5: warning: symbol 'vnic_dev_capable' was not declared. Should it be static? Signed-off-by: Hannes Eder <hannes@hanneseder.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* net: Remove unused netdev arg from some NAPI interfaces.Neil Horman2008-12-22
| | | | | | | | | | When the napi api was changed to separate its 1:1 binding to the net_device struct, the netif_rx_[prep|schedule|complete] api failed to remove the now vestigual net_device structure parameter. This patch cleans up that api by properly removing it.. Signed-off-by: Neil Horman <nhorman@tuxdriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* enic: misc cleanup items:Scott Feldman2008-11-22
| | | | | | | | Clarrify reading PBA has no side-effect (clearing). Add missing GPL license text. Signed-off-by: Scott Feldman <scofeldm@cisco.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* enic: move wmb closer to where needed: before writing posted_index to hwScott Feldman2008-11-22
| | | | | Signed-off-by: Scott Feldman <scofeldm@cisco.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* enic: mask off some reserved bits in CQ descriptor for future useScott Feldman2008-11-22
| | | | | Signed-off-by: Scott Feldman <scofeldm@cisco.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* enic: driver/firmware API updatesScott Feldman2008-11-22
| | | | | | | | | | Add driver/firmware compatibility check. Update firmware notify cmd to honor notify area size. Add new version of init cmd. Add link_down_cnt to notify area to track link down count. Signed-off-by: Scott Feldman <scofeldm@cisco.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* enic: enable ethtool LRO supportScott Feldman2008-11-22
| | | | | | | | | Enable ethtool support for get/set_flags so LRO can be turned on/off by fwding drivers such as the bridge driver. LRO is not compatible with fwding drivers. Signed-off-by: Scott Feldman <scofeldm@cisco.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* netdev: add more functions to netdevice opsStephen Hemminger2008-11-20
| | | | | | | | | | | | This patch moves neigh_setup and hard_start_xmit into the network device ops structure. For bisection, fix all the previously converted drivers as well. Bonding driver took the biggest hit on this. Added a prefetch of the hard_start_xmit in the fast path to try and reduce any impact this would have. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* enic: convert to net_device_opsStephen Hemminger2008-11-20
| | | | | | | Convert this driver to network device ops. Compile tested only. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* drivers/net: Kill now superfluous ->last_rx stores.David S. Miller2008-11-04
| | | | | | | | | | | | | The generic packet receive code takes care of setting netdev->last_rx when necessary, for the sake of the bonding ARP monitor. Drivers need not do it any more. Some cases had to be skipped over because the drivers were making use of the ->last_rx value themselves. Signed-off-by: David S. Miller <davem@davemloft.net>
* net: convert more to %pMJohannes Berg2008-10-27
| | | | | | | | | A number of places still use %02x:...:%02x because it's in debug statements or for no real reason. Make a few of them use %pM. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* net: fix driver build errors due to missing net/ip6_checksum.h includeKamalesh Babulal2008-10-13
| | | | | | | | | | | | | | | | | | | | | | | | | | | | 2.6.27-git2 kernel build fails with allyesconfig on powerpc with build error <introduced by commit 01f2e4ead2c51226ed1283ef6a8388ca6f4cff8f> CC drivers/net/enic/enic_main.o drivers/net/enic/enic_main.c: In function ‘enic_queue_wq_skb_tso’: drivers/net/enic/enic_main.c:576: error: implicit declaration of function ‘csum_ipv6_magic’ make[3]: *** [drivers/net/enic/enic_main.o] Error 1 <introduced by commit c4e84bde1d595d857d3c74b49b9c45cc770df792> drivers/net/qlge/qlge_main.c: In function ‘ql_tso’: drivers/net/qlge/qlge_main.c:1862: error: implicit declaration of function ‘csum_ipv6_magic’ make[3]: *** [drivers/net/qlge/qlge_main.o] Error 1 <introduced by commit 95252236e73e789dd186ce796a2abc60b3a61ebe> drivers/net/jme.c: In function ‘jme_tx_tso’: drivers/net/jme.c:1784: error: implicit declaration of function ‘csum_ipv6_magic’ make[2]: *** [drivers/net/jme.o] Error 1 Signed-off-by: Kamalesh Babulal <kamalesh@linux.vnet.ibm.com> Signed-off-by: Ron Mercer <ron.mercer@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* enic: Attempt to fix build in 32-bit such as i386.David S. Miller2008-10-10
| | | | | | | | Such platforms lack readq/writeq but this driver want to call them. Noticed by Andrew Morton. Signed-off-by: David S. Miller <davem@davemloft.net>
* enic: bug fix: don't set netdev->name too earlyScott Feldman2008-09-24
| | | | | | | | | | | Bug fix: don't set netdev->name early before netdev registration. Setting netdev->name early with dev_alloc_name() would occasionally cause netdev registration to fail returning error that device was already registered. Since we're using netdev->name to name MSI-X vectors, we now need to move the request_irq after netdev registartion, so move it to ->open. Signed-off-by: Scott Feldman <scofeldm@cisco.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
* enic: Bug fix: Free MSI intr with correct data handleScott Feldman2008-09-24
| | | | | | | | Bug fix: Free MSI intr with correct data handle Use davem proposed naming for MSI-X tx/rx vectors (ethX-tx-0, ethX-rx-0) Signed-off-by: Scott Feldman <scofeldm@cisco.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
* enic: fixes for review items from Ben HutchingsScott Feldman2008-09-24
| | | | | | | | | | | | | Fixes for review items from Ben Hutchings: - use netdev->net_stats rather than private net_stats - use ethtool op .get_sset_count rather than .get_stats_count - err out if setting Tx/Rx csum or TSO using ethtool and setting is not enabled for device. - pass in jiffies + constant to round_jiffies - return err if new MTU is out-of-bounds Signed-off-by: Scott Feldman <scofeldm@cisco.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
* enic: Don't indicate IPv6 pkts using soft-LROScott Feldman2008-09-24
| | | | | | | | | LRO is only applied to IPv4 pkts, so don't use the LRO indication functions for anything other IPv4 pkts. Every non-IPv4 pkt is indicated using non- LRO functions. Signed-off-by: Scott Feldman <scofeldm@cisco.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
* enic: add Cisco 10G Ethernet NIC driverScott Feldman2008-09-18
Signed-off-by: Scott Feldman <scofeldm@cisco.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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