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2010-06-29qlcnic: fail when try to setup unsupported featuresStanislaw Gruszka1-3/+10
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-06-29netxen: fail when try to setup unsupported featuresStanislaw Gruszka1-3/+10
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-06-29bnx2x: fail when try to setup unsupported featuresStanislaw Gruszka1-0/+3
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> Signed-off-by: Eilon Greenstein <eilong@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-06-29vmxnet3: fail when try to setup unsupported featuresStanislaw Gruszka1-2/+7
Return EOPNOTSUPP in ethtool_ops->set_flags. Fix coding style while at it. Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-06-29e1000e: fail when try to setup unsupported featuresStanislaw Gruszka1-1/+0
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-06-29caif-driver: Add CAIF-SPI Protocol driver.Sjur Braendeland6-0/+1483
This patch introduces the CAIF SPI Protocol Driver for CAIF Link Layer. This driver implements a platform driver to accommodate for a platform specific SPI device. A general platform driver is not possible as there are no SPI Slave side Kernel API defined. A sample CAIF SPI Platform device can be found in .../Documentation/networking/caif/spi_porting.txt Signed-off-by: Sjur Braendeland <sjur.brandeland@stericsson.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-06-29caif: Kconfig and Makefile fixesSjur Braendeland4-29/+7
Use "depends on" instead of "if" in Kconfig files. Fixed CAIF debug flag, and removed unnecessary clean-* options. Signed-off-by: Sjur Braendeland <sjur.brandeland@stericsson.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-06-28cxgb4vf: Stitch new T4 PCI-E SR-IOV Virtual Function driver into the buildCasey Leedom2-0/+24
Stitch new T4 PCI-E SR-IOV Virtual Function driver into the build. Signed-off-by: Casey Leedom Signed-off-by: David S. Miller <davem@davemloft.net>
2010-06-28cxgb4vf: Add new Makefile for T4 PCI-E SR-IOV Virtual Function driver cxgb4vfCasey Leedom1-0/+7
Add new Makefile for T4 PCI-E SR-IOV Virtual Function driver "cxgb4vf". Signed-off-by: Casey Leedom Signed-off-by: David S. Miller <davem@davemloft.net>
2010-06-28cxgb4vf: Add main T4 PCI-E SR-IOV Virtual Function driver for cxgb4vfCasey Leedom2-0/+3446
Add main T4 PCI-E SR-IOV Virtual Function driver for "cxgb4vf". Signed-off-by: Casey Leedom Signed-off-by: David S. Miller <davem@davemloft.net>
2010-06-28cxgb4vf: Add T4 Virtual Function Scatter-Gather Engine DMA codeCasey Leedom1-0/+2460
Add T4 Virtual Function Scatter-Gather Engine DMA code. Signed-off-by: Casey Leedom Signed-off-by: David S. Miller <davem@davemloft.net>
2010-06-28cxgb4vf: Add core T4 PCI-E SR-IOV Virtual Function hardware definitions and device communication codeCasey Leedom3-0/+1727
Add core T4 PCI-E SR-IOV Virtual Function hardware definitions and device communication code. Signed-off-by: Casey Leedom Signed-off-by: David S. Miller <davem@davemloft.net>
2010-06-28cxgb4vf: Add code to provision T4 PCI-E SR-IOV Virtual Functions with hardware resourcesCasey Leedom1-0/+106
Add code to provision T4 PCI-E SR-IOV Virtual Functions with hardware resources. Signed-off-by: Casey Leedom Signed-off-by: David S. Miller <davem@davemloft.net>
2010-06-28cxgb4vf: Add new macros and definitions for hardware constantsCasey Leedom2-0/+42
Add new macros and definitions for hardware constants. Signed-off-by: Casey Leedom Signed-off-by: David S. Miller <davem@davemloft.net>
2010-06-28cxgb4vf: update to latest T4 firmware API fileCasey Leedom2-7/+22
Update to latest T4 firmware API file. Signed-off-by: Casey Leedom Signed-off-by: David S. Miller <davem@davemloft.net>
2010-06-28cxgb4vf: small changes to message processing structures/macrosCasey Leedom3-5/+17
Split cpl_tx_pkt_lso into core message structure and encapsulated message, make RSPD_LEN macro match other response descriptor macros. Signed-off-by: Casey Leedom Signed-off-by: David S. Miller <davem@davemloft.net>
2010-06-28netdev: mdio-octeon: Fix section mismatch errors.David Daney1-3/+3
We started getting: WARNING: vmlinux.o(.data+0x20bd0): Section mismatch in reference from the variable octeon_mdiobus_driver to the function .init.text:octeon_mdiobus_probe() This fixes it. Signed-off-by: David Daney <ddaney@caviumnetworks.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-06-28netdev: octeon_mgmt: Fix section mismatch errors.David Daney1-3/+3
We started getting: WARNING: drivers/net/built-in.o(.data+0x10f0): Section mismatch in reference from the variable octeon_mgmt_driver to the function .init.text:octeon_mgmt_probe() This fixes it. Signed-off-by: David Daney <ddaney@caviumnetworks.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-06-28act_mirred: don't clone skb when skb isn't sharedChangli Gao2-5/+12
don't clone skb when skb isn't shared When the tcf_action is TC_ACT_STOLEN, and the skb isn't shared, we don't need to clone a new skb. As the skb will be freed after this function returns, we can use it freely once we get a reference to it. Signed-off-by: Changli Gao <xiaosuo@gmail.com> ---- include/net/sch_generic.h | 11 +++++++++-- net/sched/act_mirred.c | 6 +++--- 2 files changed, 12 insertions(+), 5 deletions(-) Signed-off-by: Jamal Hadi Salim <hadi@cyberus.ca> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-06-28tcp: tso_fragment() might avoid GFP_ATOMICEric Dumazet1-3/+3
We can pass a gfp argument to tso_fragment() and avoid GFP_ATOMIC allocations sometimes. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-06-28vlan: 64 bit rx countersEric Dumazet3-25/+41
Use u64_stats_sync infrastructure to implement 64bit rx stats. (tx stats are addressed later) Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Acked-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-06-28macvlan: 64 bit rx countersEric Dumazet2-21/+35
Use u64_stats_sync infrastructure to implement 64bit stats. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Acked-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-06-28net: u64_stats_fetch_begin_bh() and u64_stats_fetch_retry_bh()Eric Dumazet1-15/+44
- Must disable preemption in case of 32bit UP in u64_stats_fetch_begin() and u64_stats_fetch_retry() - Add new u64_stats_fetch_begin_bh() and u64_stats_fetch_retry_bh() for network usage, disabling BH on 32bit UP only. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-06-28net: use this_cpu_ptr()Eric Dumazet3-4/+4
use this_cpu_ptr(p) instead of per_cpu_ptr(p, smp_processor_id()) Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-06-28net: u64_stats_sync improvementsEric Dumazet1-1/+5
- Add a comment about interrupts: 6) If counter might be written by an interrupt, readers should block interrupts. - Fix a typo in sample of use. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-06-283c59x: Specify window explicitly for access to windowed registersBen Hutchings1-148/+140
Currently much of the code assumes that a specific window has been selected, while a few functions save and restore the window. This makes it impossible to introduce fine-grained locking. Make those assumptions explicit by introducing wrapper functions to set the window and read/write a register. Use these everywhere except vortex_interrupt(), vortex_start_xmit() and vortex_rx(). These set the window just once, or not at all in the case of vortex_rx() as it should always be called from vortex_interrupt(). Cache the current window in struct vortex_private to avoid unnecessary hardware writes. Signed-off-by: Ben Hutchings <ben@decadent.org.uk> Tested-by: Arne Nordmark <nordmark@mech.kth.se> [against 2.6.32] Signed-off-by: David S. Miller <davem@davemloft.net>
2010-06-28mlx4: add dynamic LRO disable supportAmerigo Wang1-1/+37
This patch adds dynamic LRO diable support for mlx4 net driver. It also fixes a bug of mlx4, which checks NETIF_F_LRO flag in rx path without rtnl lock. (I don't have mlx4 card, so only did compiling test. Anyone who wants to test this is more than welcome.) This is based on Neil's initial work too, and heavily modified based on Stanislaw's suggestions. Signed-off-by: WANG Cong <amwang@redhat.com> Signed-off-by: Neil Horman <nhorman@redhat.com> Acked-by: Neil Horman <nhorman@redhat.com> Reviewed-by: Stanislaw Gruszka <sgruszka@redhat.com> Cc: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-06-28s2io: add dynamic LRO disable supportJon Mason1-5/+45
This patch adds dynamic LRO disable support for s2io net driver, enables LRO by default, increases the driver version number, and corrects the name of the LRO modparm. This is mostly Wang's patch based on Neil's initial work, heavily modified based on Ramkrishna's suggestions. This has been tested on a Neterion Xframe adapter and verified via adapter LRO statistics. Signed-off-by: Jon Mason <jon.mason@exar.com> Signed-off-by: WANG Cong <amwang@redhat.com> Signed-off-by: Neil Horman <nhorman@redhat.com> Acked-by: Neil Horman <nhorman@redhat.com> Reviewed-by: Stanislaw Gruszka <sgruszka@redhat.com> Cc: Ramkrishna Vepa <Ramkrishna.Vepa@exar.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-06-26syncookies: add support for ECNFlorian Westphal5-13/+17
Allows use of ECN when syncookies are in effect by encoding ecn_ok into the syn-ack tcp timestamp. While at it, remove a uneeded #ifdef CONFIG_SYN_COOKIES. With CONFIG_SYN_COOKIES=nm want_cookie is ifdef'd to 0 and gcc removes the "if (0)". Signed-off-by: Florian Westphal <fw@strlen.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-06-26syncookies: do not store rcv_wscale in tcp timestampFlorian Westphal2-22/+14
As pointed out by Fernando Gont there is no need to encode rcv_wscale into the cookie. We did not use the restored rcv_wscale anyway; it is recomputed via tcp_select_initial_window(). Thus we can save 4 bits in the ts option space by removing rcv_wscale. In case window scaling was not supported, we set the (invalid) wscale value 0xf. Signed-off-by: Florian Westphal <fw@strlen.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-06-25ipv6: remove ipv6_statisticsEric Dumazet1-2/+0
commit 9261e5370112 (ipv6: making ip and icmp statistics per/namespace) forgot to remove ipv6_statistics variable. commit bc417d99bf27 (ipv6: remove stale MIB definitions) took care of icmpv6_statistics & icmpv6msg_statistics Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> CC: Denis V. Lunev <den@openvz.org> CC: Alexey Dobriyan <adobriyan@gmail.com> CC: Hideaki YOSHIFUJI <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-06-25snmp: add align parameter to snmp_mib_init()Eric Dumazet7-22/+40
In preparation for 64bit snmp counters for some mibs, add an 'align' parameter to snmp_mib_init(), instead of assuming mibs only contain 'unsigned long' fields. Callers can use __alignof__(type) to provide correct alignment. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> CC: Herbert Xu <herbert@gondor.apana.org.au> CC: Arnaldo Carvalho de Melo <acme@ghostprotocols.net> CC: Hideaki YOSHIFUJI <yoshfuji@linux-ipv6.org> CC: Vlad Yasevich <vladislav.yasevich@hp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-06-25loopback: use u64_stats_sync infrastructureEric Dumazet1-46/+16
Commit 6b10de38f0ef (loopback: Implement 64bit stats on 32bit arches) introduced 64bit stats in loopback driver, using a private seqcount and private helpers. David suggested to introduce a generic infrastructure, added in (net: Introduce u64_stats_sync infrastructure) This patch reimplements loopback 64bit stats using the u64_stats_sync infrastructure. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-06-25arp: RCU change in arp_solicit()Eric Dumazet1-5/+7
Avoid two atomic ops in arp_solicit() Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-06-25dccp: make implementation of Syn-RTT symmetricGerrit Renker2-3/+16
This patch is thanks to Andre Noll who reported the issue and helped testing. The Syn-RTT sampled during the initial handshake currently only works for the client sending the DCCP-Request. TFRC penalizes the absence of an RTT sample with a very slow initial speed (1 packet per second), which delays slow-start significantly, resulting in sluggish performance. This patch mirrors the "Syn RTT" principle by adding a timestamp also onto the DCCP-Response, producing an RTT sample when the (Data)Ack completing the handshake arrives. Also changed the documentation to 'TFRC' since Syn RTTs are also used by CCID-4. Signed-off-by: Gerrit Renker <gerrit@erg.abdn.ac.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-06-25dccp: remove unused function argumentGerrit Renker4-19/+13
This removes an unused 'sk' argument from several option-inserting functions. Signed-off-by: Gerrit Renker <gerrit@erg.abdn.ac.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-06-25net/fec: clean suspend/resumeEric Benard1-18/+12
Commit 59d4289b83b11379d867e2f7146904b19cc96404 converted fec to dev_pm_ops but didn't update the suspend/resume functions thus leading to the following warning : "initialization from incompatible pointer type" when CONFIG_PM is set. This patch also fixe a few indentation and style around CONFIG_PM area. Signed-off-by: Eric Bénard <eric@eukrea.com> Cc: netdev@vger.kernel.org Cc: davem@davemloft.net Cc: amit.kucheria@canonical.com Cc: s.hauer@pengutronix.de Cc: linux-arm-kernel@lists.infradead.org Signed-off-by: David S. Miller <davem@davemloft.net>
2010-06-25cxgb3: request 7.10 firmwareDivy Le Ray1-2/+2
The driver requests FW 7.10 Bump up driver version. Signed-off-by: Divy Le Ray <divy@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-06-25cxgb3: update FW to 7.10Divy Le Ray3-1918/+1936
Update FW to 7.10 Signed-off-by: Divy Le Ray <divy@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-06-25net/core/pktgen.c: Use pr_<level>Joe Perches1-78/+64
Add pr_fmt(fmt) KBUILD_MODNAME ": " fmt Remove "pktgen: " from formats Convert printks to pr_<level> Added func_enter() for debugging Moved version to end of string at module_init Coalesced long formats Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-06-25net: optimize Berkeley Packet Filter (BPF) processingHagen Paul Pfeifer2-51/+209
Gcc is currenlty not in the ability to optimize the switch statement in sk_run_filter() because of dense case labels. This patch replace the OR'd labels with ordered sequenced case labels. The sk_chk_filter() function is modified to patch/replace the original OPCODES in a ordered but equivalent form. gcc is now in the ability to transform the switch statement in sk_run_filter into a jump table of complexity O(1). Until this patch gcc generates a sequence of conditional branches (O(n) of 567 byte .text segment size (arch x86_64): 7ff: 8b 06 mov (%rsi),%eax 801: 66 83 f8 35 cmp $0x35,%ax 805: 0f 84 d0 02 00 00 je adb <sk_run_filter+0x31d> 80b: 0f 87 07 01 00 00 ja 918 <sk_run_filter+0x15a> 811: 66 83 f8 15 cmp $0x15,%ax 815: 0f 84 c5 02 00 00 je ae0 <sk_run_filter+0x322> 81b: 77 73 ja 890 <sk_run_filter+0xd2> 81d: 66 83 f8 04 cmp $0x4,%ax 821: 0f 84 17 02 00 00 je a3e <sk_run_filter+0x280> 827: 77 29 ja 852 <sk_run_filter+0x94> 829: 66 83 f8 01 cmp $0x1,%ax [...] With the modification the compiler translate the switch statement into the following jump table fragment: 7ff: 66 83 3e 2c cmpw $0x2c,(%rsi) 803: 0f 87 1f 02 00 00 ja a28 <sk_run_filter+0x26a> 809: 0f b7 06 movzwl (%rsi),%eax 80c: ff 24 c5 00 00 00 00 jmpq *0x0(,%rax,8) 813: 44 89 e3 mov %r12d,%ebx 816: e9 43 03 00 00 jmpq b5e <sk_run_filter+0x3a0> 81b: 41 89 dc mov %ebx,%r12d 81e: e9 3b 03 00 00 jmpq b5e <sk_run_filter+0x3a0> Furthermore, I reordered the instructions to reduce cache line misses by order the most common instruction to the start. Signed-off-by: Hagen Paul Pfeifer <hagen@jauu.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-06-25sfc: Log clearer error messages for hardware monitorBen Hutchings1-3/+8
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-06-25sfc: Use Toeplitz IPv4 hash for RSS and hash insertionBen Hutchings2-3/+22
Insertion of the Falcon hash is unreliable. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-06-25sfc: Move siena_nic_data::ipv6_rss_key to efx_nic::rx_hash_keyBen Hutchings4-9/+8
We will use this hash key for Toeplitz IPv4 hashing too. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-06-25sfc: Fix reading of inserted hashBen Hutchings2-8/+6
The hash appears immediately before the packet data, not at the beginning of the buffer. This means we can easily use negative offsets from the start of packet data, so adjust the data and length at the top of __efx_rx_packet() instead of wherever we consume the hash. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-06-25enic: Clean upsVasanthy Kolluri25-53/+41
1) Update copyright 2) Fix hardware queue descriptor field size CQ_ENET_RQ_DESC_FCOE_SOF_BITS 3) Include rtnetlink.h instead of if_link.h 4) Selectively flush writes to interrupt mask register 5) Use pci_enable_device_mem 6) Remove unused variables and header files 7) Fix size mismatch between memory alloc and free operations of a variable 8) Check for non null arguments to vic_provinfo_alloc Signed-off-by: Scott Feldman <scofeldm@cisco.com> Signed-off-by: Vasanthy Kolluri <vkolluri@cisco.com> Signed-off-by: Roopa Prabhu <roprabhu@cisco.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-06-25enic: Bug Fix: Handle surprise hardware removalsVasanthy Kolluri3-4/+20
Handle surprise hardware removals gracefully during devcmd issue and init, cleanup of queues. Signed-off-by: Scott Feldman <scofeldm@cisco.com> Signed-off-by: Vasanthy Kolluri <vkolluri@cisco.com> Signed-off-by: Roopa Prabhu <roprabhu@cisco.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-06-25enic: Feature Add: Add loopback capability to enic devicesVasanthy Kolluri5-27/+45
Hardware has the loopback capability to queue the packets transmitted from a device to the receive queue of the same device. enic now supports the loopback capability. Signed-off-by: Scott Feldman <scofeldm@cisco.com> Signed-off-by: Vasanthy Kolluri <vkolluri@cisco.com> Signed-off-by: Roopa Prabhu <roprabhu@cisco.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-06-25enic: Use receive queue buffer blocks of 32/64 entriesVasanthy Kolluri4-26/+37
Change the receive queue buffer allocations into blocks of 32 entries when ring size is less than 64, otherwise use 64 entries per block. Signed-off-by: Scott Feldman <scofeldm@cisco.com> Signed-off-by: Vasanthy Kolluri <vkolluri@cisco.com> Signed-off-by: Roopa Prabhu <roprabhu@cisco.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-06-25enic: Add new firmware devcmdsVasanthy Kolluri3-9/+146
Add new firmware devcmds - CMD_PROXY_BY_BDF, CMD_PACKET_FILTER_ALL, CMD_ENABLE_WAIT. Signed-off-by: Scott Feldman <scofeldm@cisco.com> Signed-off-by: Vasanthy Kolluri <vkolluri@cisco.com> Signed-off-by: Roopa Prabhu <roprabhu@cisco.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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