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2009-10-27can: sja1000: fix bug using library functions for skb allocationKurt Van Dijck1-2/+0
Commit 7b6856a0 "can: provide library functions for skb allocation" did not properly remove two lines of the SJA1000 driver resulting in a 'skb_over_panic' when calling skb_put, as reported by Kurt. Signed-off-by: Kurt Van Dijck <kurt.van.dijck@eia.be> Signed-off-by: Wolfgang Grandegger <wg@grandegger.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-10-27cxgb3: Set the rxqKrishna Kumar1-0/+1
Set the rxq# for LRO when processing the last fragment of a frame. This helps in fast txq selection for routing workloads. Signed-off-by: Krishna Kumar <krkumar2@in.ibm.com> Acked-by: Divy Le Ray <divy@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-10-24rtnetlink: speedup rtnl_dump_ifinfo()Eric Dumazet3-18/+30
When handling large number of netdevice, rtnl_dump_ifinfo() is very slow because it has O(N^2) complexity. Instead of scanning one single list, we can use the 256 sub lists of the dev_index hash table. This considerably speedups "ip link" operations Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-10-24gre: convert hash tables locking to RCUEric Dumazet1-17/+23
GRE tunnels use one rwlock to protect their hash tables. This locking scheme can be converted to RCU for free, since netdevice already must wait for a RCU grace period at dismantle time. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-10-24ip6tnl: convert hash tables locking to RCUEric Dumazet1-19/+25
ip6_tunnels use one rwlock to protect their hash tables. This locking scheme can be converted to RCU for free, since netdevice already must wait for a RCU grace period at dismantle time. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-10-24ipip: convert hash tables locking to RCUEric Dumazet1-21/+28
IPIP tunnels use one rwlock to protect their hash tables. This locking scheme can be converted to RCU for free, since netdevice already must wait for a RCU grace period at dismantle time. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-10-24xfrm6_tunnel: RCU conversionEric Dumazet1-19/+28
xfrm6_tunnels use one rwlock to protect their hash tables. Plain and straightforward conversion to RCU locking to permit better SMP performance. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-10-24ipv6 sit: RCU conversion phase IIEric Dumazet1-18/+27
SIT tunnels use one rwlock to protect their hash tables. This locking scheme can be converted to RCU for free, since netdevice already must wait for a RCU grace period at dismantle time. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-10-24ipv6 sit: RCU conversion phase IEric Dumazet2-23/+51
SIT tunnels use one rwlock to protect their prl entries. This first patch adds RCU locking for prl management, with standard call_rcu() calls. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-10-24sfc: Rename 'xfp' file and functions to reflect realityBen Hutchings5-58/+58
The 'XFP' driver is really a driver for the QT2022C2 and QT2025C PHYs, covering both more and less than XFP. Rename its functions and constants to reflect reality and to reduce namespace pollution when sfc is a built-in driver. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-10-24sfc: Remove unused code for non-autoneg speed/duplex switchingBen Hutchings1-69/+39
The only multi-speed PHY driver using this is 10Xpress, and it does not support non-autoneg operation. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-10-24sfc: Merge efx_fc_resolve() into efx_mdio_get_pause()Ben Hutchings2-15/+8
efx_fc_resolve() is specific to MDIO and is not used by any other function. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-10-24sfc: Move MTD probe after netdev registration and name allocationBen Hutchings1-2/+4
The MTD partition is named based on the netdev name, which is set to 'eth%d' before registration. Also, the MTD partition will currently be left registered if netdev registration fails. Fix both these problems by moving the MTD probe after netdev registration. Hold the RTNL to serialise this with the netdev notifier that calls efx_mtd_rename(). Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-10-24sfc: Remove unnecessary tests of efx->membaseBen Hutchings1-8/+0
These cleanup functions will never be called if the MMIO region could not be mapped. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-10-24sfc: Remove incorrect assertion from efx_pci_remove_main()Ben Hutchings1-2/+0
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-10-24sfc: Merge falcon_probe_phy() into falcon_probe_port()Ben Hutchings1-35/+25
MAC and PHY probing are bound up together, as evidenced by the initialisation of efx_nic::loopback_modes. Remove the current arbitrary separation. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-10-24sfc: Remove pointless abstraction of memory BAR numberBen Hutchings3-11/+10
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-10-24sfc: Removed kernel-doc for nonexistent member of efx_phy_operationsBen Hutchings1-1/+0
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-10-24sfc: Maintain interrupt moderation values in ticks, not microsecondsBen Hutchings4-34/+28
This simplifies the implementation a lot. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-10-24sfc: Move shared members of struct falcon_nic_data into struct efx_nicBen Hutchings2-16/+14
These will also be used with Siena NICs. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-10-24sfc: Move efx_xmit_done() declaration into correct stanzaBen Hutchings1-1/+1
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-10-24sfc: Remove declarations of nonexistent functionsBen Hutchings1-2/+0
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-10-24sfc: Change order of device removal to reverse of probe orderBen Hutchings1-1/+1
This makes efx_pci_remove_main() more obviously the inverse of efx_pci_probe_main(), and matches our out-of-tree driver. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-10-24sfc: Merge struct efx_blinker into struct efx_boardBen Hutchings2-29/+21
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-10-24sfc: Move all TX DMA length limiting into tx.cBen Hutchings4-25/+25
Replace the duplicated logic in efx_enqueue_skb() and efx_tx_queue_insert() with an inline function, efx_max_tx_len(). Remove the failed attempt at abstracting hardware-specifics and put all the magic numbers in efx_max_tx_len(). Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-10-24sfc: Define DMA address mask explicitly in terms of descriptor field widthBen Hutchings1-5/+2
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-10-24sfc: Eliminate indirect lookups of queue size constantsBen Hutchings7-98/+62
Move size and mask definitions into efx.h; calculate page orders in falcon.c. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-10-24sfc: Rename register I/O header and functions used by both Falcon and SienaBen Hutchings7-421/+426
While we're at it, use type suffixes of 'd', 'q' and 'o', consistent with register type names. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-10-24sfc: Update hardware definitions for SienaBen Hutchings7-1887/+3756
Siena is still based on the Falcon hardware architecture and will share many of these definitions, so replace falcon_hwdefs.h with regs.h. The new definitions have been generated according to a naming convention which incorporates the type and revision information. Update the code accordingly. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-10-24sfc: Move RX data FIFO thresholds out of struct efx_nic_typeBen Hutchings2-15/+12
Since there are now separate blocks of code to set the thresholds for each NIC type, it is no longer useful to include them in the NIC type description. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-10-24sfc: Remove versioned bitfield macrosBen Hutchings3-40/+47
These macros are not extensible to more than two NIC types without repetition of register definitions, and they are only used to deal with a few fields in RX_CFG_REG and global events which moved between Falcon rev A1 and B0. Therefore: - Move RX_CFG_REG initialisation into its own function which tests the NIC revision just once - Explicitly test the NIC revision when checking the RX_RECOVERY flag in global events - Merge definitions of RX_XOFF_MAC_EN flag, which did not move - Remove the macro definitions Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-10-24sfc: Remove boards.h, moving last remaining declaration to falcon.hBen Hutchings9-22/+2
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-10-24sfc: Merge sfe4001.c into falcon_boards.cBen Hutchings4-443/+420
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-10-24sfc: Rename Falcon-specific board code and typesBen Hutchings5-26/+25
Siena will require entirely different board code. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-10-24sfc: Remove redundant hardware initialisationBen Hutchings1-4/+0
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-10-24sfc: Remove redundant header gmii.hBen Hutchings2-61/+0
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-10-22pkt_sched: skbedit add support for setting markjamal3-1/+20
This adds support for setting the skb mark. Signed-off-by: Jamal Hadi Salim <hadi@cyberus.ca> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-10-22sfc: 10Xpress: Report support for pause framesBen Hutchings1-0/+1
Commits 27fbc7d 'mdio: Expose pause frame advertising flags to ethtool' and c634263 'sfc: 10Xpress: Initialise pause advertising flags' added to our reported advertising flags. efx_mdio_set_settings() requires that all advertising flags are also present in the supported flags, so make sure that is true. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-10-22rtnetlink: rtnl_setlink() and rtnl_getlink() changesEric Dumazet1-19/+19
rtnl_getlink() & rtnl_setlink() run with RTNL held, we can use __dev_get_by_index() and __dev_get_by_name() variants and avoid dev_hold()/dev_put() Adds to rtnl_getlink() the capability to find a device by its name, not only by its index. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-10-21qlge: Add ethtool register dump function.Ron Mercer3-0/+345
Signed-off-by: Ron Mercer <ron.mercer@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-10-21qlge: Add ethtool wake on LAN function.Ron Mercer4-0/+172
Signed-off-by: Ron Mercer <ron.mercer@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-10-21qlge: Add ethtool blink function.Ron Mercer3-0/+89
Signed-off-by: Ron Mercer <ron.mercer@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-10-21qlge: Add ethtool get/set pause parameter.Ron Mercer3-2/+37
Signed-off-by: Ron Mercer <ron.mercer@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-10-20net: Use sk_tx_queue_mapping for connected socketsKrishna Kumar1-6/+18
For connected sockets, the first run of dev_pick_tx saves the calculated txq in sk_tx_queue_mapping. This is not saved if either the device has a queue select or the socket is not connected. Next iterations of dev_pick_tx uses the cached value of sk_tx_queue_mapping. Signed-off-by: Krishna Kumar <krkumar2@in.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-10-20net: Fix for dst_negative_adviceKrishna Kumar5-7/+21
dst_negative_advice() should check for changed dst and reset sk_tx_queue_mapping accordingly. Pass sock to the callers of dst_negative_advice. (sk_reset_txq is defined just for use by dst_negative_advice. The only way I could find to get around this is to move dst_negative_() from dst.h to dst.c, include sock.h in dst.c, etc) Signed-off-by: Krishna Kumar <krkumar2@in.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-10-20net: IPv6 changesKrishna Kumar1-2/+1
IPv6: Reset sk_tx_queue_mapping when dst_cache is reset. Use existing macro to do the work. Signed-off-by: Krishna Kumar <krkumar2@in.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-10-20net: Introduce sk_tx_queue_mappingKrishna Kumar2-1/+30
Introduce sk_tx_queue_mapping; and functions that set, test and get this value. Reset sk_tx_queue_mapping to -1 whenever the dst cache is set/reset, and in socket alloc. Setting txq to -1 and using valid txq=<0 to n-1> allows the tx path to use the value of sk_tx_queue_mapping directly instead of subtracting 1 on every tx. Signed-off-by: Krishna Kumar <krkumar2@in.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-10-20net: Avoid compiler warning for mmsghdr when CONFIG_COMPAT is not selectedArnaldo Carvalho de Melo1-1/+5
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Arnaldo Carvalho de Melo <acme@ghostprotocols.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-10-20filter: Add SKF_AD_QUEUE instructionEric Dumazet2-1/+5
It can help being able to filter packets on their queue_mapping. If filter performance is not good, we could add a "numqueue" field in struct packet_type, so that netif_nit_deliver() and other functions can directly ignore packets with not expected queue number. Lets experiment this simple filter extension first. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-10-20af_packet: mc_drop/flush_mclist changesEric Dumazet1-8/+4
We hold RTNL, we can use __dev_get_by_index() instead of dev_get_by_index() Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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