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2016-12-14scsi: libcxgbi: return error if interface is not upVarun Prakash1-0/+12
Do not post hw active open cmd if IFF_UP is not set or link is down on the interface, return -ENETDOWN in this case. Signed-off-by: Varun Prakash <varun@chelsio.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2016-12-14scsi: cxgb4i: libcxgbi: add missing module_put()Varun Prakash3-3/+12
Add module_put() in cxgbi_sock_act_open_req_arp_failure() to release module reference in case of arp failure, also check return value of try_module_get() before posting active open hw cmd. Signed-off-by: Varun Prakash <varun@chelsio.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2016-12-14scsi: cxgb4i: libcxgbi: cxgb4: add T6 iSCSI completion featureVarun Prakash3-26/+213
T6 adapters reduce number of completions to host by generating single completion for all the directly placed(DDP) iSCSI pdus in a sequence. This patch adds new structure for completion hw cmd (struct cpl_rx_iscsi_cmp) and implements T6 completion feature. Signed-off-by: Varun Prakash <varun@chelsio.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2016-12-14scsi: cxgb4i: libcxgbi: add active open cmd for T6 adaptersVarun Prakash2-15/+77
Add T6 active open cmd to open active connections on T6 adapters. Signed-off-by: Varun Prakash <varun@chelsio.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2016-12-14scsi: cxgb4i: use cxgb4_tp_smt_idx() to get smt_idxVarun Prakash1-2/+2
cxgb4_tp_smt_idx() is defined in cxgb4 driver, it returns smt_idx for T4,T5,T6 adapters. Signed-off-by: Varun Prakash <varun@chelsio.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2016-12-14Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsiLinus Torvalds1-1/+1
Pull SCSI updates from James Bottomley: "This update includes the usual round of major driver updates (ncr5380, lpfc, hisi_sas, megaraid_sas, ufs, ibmvscsis, mpt3sas). There's also an assortment of minor fixes, mostly in error legs or other not very user visible stuff. The major change is the pci_alloc_irq_vectors replacement for the old pci_msix_.. calls; this effectively makes IRQ mapping generic for the drivers and allows blk_mq to use the information" * tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (256 commits) scsi: qla4xxx: switch to pci_alloc_irq_vectors scsi: hisi_sas: support deferred probe for v2 hw scsi: megaraid_sas: switch to pci_alloc_irq_vectors scsi: scsi_devinfo: remove synchronous ALUA for NETAPP devices scsi: be2iscsi: set errno on error path scsi: be2iscsi: set errno on error path scsi: hpsa: fallback to use legacy REPORT PHYS command scsi: scsi_dh_alua: Fix RCU annotations scsi: hpsa: use %phN for short hex dumps scsi: hisi_sas: fix free'ing in probe and remove scsi: isci: switch to pci_alloc_irq_vectors scsi: ipr: Fix runaway IRQs when falling back from MSI to LSI scsi: dpt_i2o: double free on error path scsi: cxlflash: Migrate scsi command pointer to AFU command scsi: cxlflash: Migrate IOARRIN specific routines to function pointers scsi: cxlflash: Cleanup queuecommand() scsi: cxlflash: Cleanup send_tmf() scsi: cxlflash: Remove AFU command lock scsi: cxlflash: Wait for active AFU commands to timeout upon tear down scsi: cxlflash: Remove private command pool ...
2016-11-30scsi: cxgb4i: Add a missing call to neigh_releaseQuentin Lambert1-1/+1
Most error branches following the call to dst_neigh_lookup contain a call to neigh_release. This patch add these calls where they are missing. This issue was found with Hector. Signed-off-by: Quentin Lambert <lambert.quentin@gmail.com> Acked-by: Varun Prakash <varun@chelsio.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2016-11-18cxgb4: Allocate Tx queues dynamicallyHariprasad Shenai1-0/+1
Allocate resources dynamically for Upper layer driver's (ULD) like cxgbit, iw_cxgb4, cxgb4i and chcr. The resources allocated include Tx queues which are allocated when ULD register with cxgb4 driver and freed while un-registering. The Tx queues which are shared by ULD shall be allocated by first registering driver and un-allocated by last unregistering driver. Signed-off-by: Atul Gupta <atul.gupta@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-11-10Merge remote-tracking branch 'mkp-scsi/4.9/scsi-fixes' into fixesJames Bottomley1-1/+2
2016-11-08scsi: libcxgbi: fix incorrect DDP resource cleanupVarun Prakash1-1/+2
Before calling task_release_itt() task data is memset to zero because of which DDP context information is lost resulting in incorrect DDP resource cleanup, to fix this call task_release_itt() before memset. Signed-off-by: Varun Prakash <varun@chelsio.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2016-10-14Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsiLinus Torvalds1-0/+5
Pull more SCSI updates from James Bottomley: "This is just a set of minor updates and fixes which weren't quite ready in time for the first pull request. The only real thing of note is Mike Christie is stepping down as Maintainer of iscsi to be replaced by Lee Duncan and Chris Leech" * tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: scsi: ufs: Kconfig fix scsi: g_NCR5380: Stop using scsi_module.c scsi: g_NCR5380: Reduce overrides[] from array to struct scsi: g_NCR5380: Remove deprecated __setup scsi: ufs: Fix error return code in ufshcd_init() scsi: ufs: Data Segment only needed for WRITE DESCRIPTOR scsi: cxgb4i: Set completion bit in work request MAINTAINERS: Update open-iscsi maintainers scsi: ufs: Enable no vccq quirk for skhynix device scsi: be2iscsi: mark symbols static where possible
2016-09-28scsi: cxgb4i: Set completion bit in work requestVarun Prakash1-0/+5
If SKCBF_TX_FLAG_COMPL flag is set and unacknowledged credits are >= max credits / 2, set completion bit in work request to reclaim credits. Signed-off-by: Varun Prakash <varun@chelsio.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2016-09-19chcr/cxgb4i/cxgbit/RDMA/cxgb4: Allocate resources dynamically for all cxgb4 ↵Hariprasad Shenai1-0/+3
ULD's Allocate resources dynamically to cxgb4's Upper layer driver's(ULD) like cxgbit, iw_cxgb4 and cxgb4i. Allocate resources when they register with cxgb4 driver and free them while unregistering. All the queues and the interrupts for them will be allocated during ULD probe only and freed during remove. Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-07-25cxgb3i, cxgb4i: fix symbol not declared sparse warningVarun Prakash2-3/+3
Fix following sparse warnings warning: symbol 'cxgb3i_ofld_init' was not declared. Should it be static? warning: symbol 'cxgb4i_cplhandlers' was not declared. Should it be static? warning: symbol 'cxgb4i_ofld_init' was not declared. Should it be static? Signed-off-by: Varun Prakash <varun@chelsio.com> Reviewed-by: Steve Wise <swise@opengridcomputing.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-07-25libcxgb: export ppm release and tagmask set apiVarun Prakash2-0/+2
Export cxgbi_ppm_release() to release ppod manager and cxgbi_tagmask_set() to set tag mask, they are used by cxgb3i, cxgb4i and cxgbit. Signed-off-by: Varun Prakash <varun@chelsio.com> Reviewed-by: Steve Wise <swise@opengridcomputing.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-07-25cxgb3i: add iSCSI DDP supportVarun Prakash1-1/+118
Add iSCSI DDP support in cxgb3i driver using common iSCSI DDP Page Pod Manager. Signed-off-by: Varun Prakash <varun@chelsio.com> Reviewed-by: Steve Wise <swise@opengridcomputing.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-07-25cxgb4i,libcxgbi: add iSCSI DDP supportVarun Prakash8-2/+507
Add iSCSI DDP support in cxgb4i driver using common iSCSI DDP Page Pod Manager. Signed-off-by: Varun Prakash <varun@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-07-25cxgb3i,cxgb4i,libcxgbi: remove iSCSI DDP supportVarun Prakash4-1009/+0
Remove old ddp code from cxgb3i,cxgb4i,libcxgbi. Next two commits adds DDP support using common iSCSI DDP Page Pod Manager. Signed-off-by: Varun Prakash <varun@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-25cxgbi: fix uninitialized flowi6Jiri Benc1-0/+1
ip6_route_output looks into different fields in the passed flowi6 structure, yet cxgbi passes garbage in nearly all those fields. Zero the structure out first. Fixes: fc8d0590d9142 ("libcxgbi: Add ipv6 api to driver") Signed-off-by: Jiri Benc <jbenc@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-03-23Merge branch 'for-next-merge' of ↵Linus Torvalds1-17/+0
git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending Pull more SCSI target updates from Nicholas Bellinger: "This series contains cxgb4 driver prerequisites for supporting iscsi segmentation offload (ISO), that will be utilized for a number of future v4.7 developments in iscsi-target for supporting generic hw offloads" * 'for-next-merge' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending: cxgb4: update Kconfig and Makefile cxgb4: add iSCSI DDP page pod manager cxgb4, iw_cxgb4: move delayed ack macro definitions cxgb4: move VLAN_NONE macro definition cxgb4: update struct cxgb4_lld_info definition cxgb4: add definitions for iSCSI target ULD cxgb4, cxgb4i: move struct cpl_rx_data_ddp definition cxgb4, iw_cxgb4, cxgb4i: remove duplicate definitions cxgb4, iw_cxgb4: move definitions to common header file cxgb4: large receive offload support cxgb4: allocate resources for CXGB4_ULD_ISCSIT cxgb4: add new ULD type CXGB4_ULD_ISCSIT
2016-03-22cxgb4, cxgb4i: move struct cpl_rx_data_ddp definitionVarun Prakash1-12/+0
move struct cpl_rx_data_ddp definition to common header file t4_msg.h. Signed-off-by: Varun Prakash <varun@chelsio.com> Acked-by: Hariprasad Shenai <hariprasad@chelsio.com> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2016-03-22cxgb4, iw_cxgb4, cxgb4i: remove duplicate definitionsVarun Prakash1-5/+0
move struct ulptx_idata definition to common header file t4_msg.h. Signed-off-by: Varun Prakash <varun@chelsio.com> Acked-by: Hariprasad Shenai <hariprasad@chelsio.com> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2016-03-04cxgb4i: don't redefine DIV_ROUND_UPNicolas Dichtel1-1/+1
let's use the common definition to avoid the following warning during the compilation: drivers/scsi/cxgbi/cxgb4i/cxgb4i.c:161:0: warning: "DIV_ROUND_UP" redefined #define DIV_ROUND_UP(n, d) (((n) + (d) - 1) / (d)) ^ In file included from include/linux/list.h:8:0, from include/linux/module.h:9, from drivers/scsi/cxgbi/cxgb4i/cxgb4i.c:16: include/linux/kernel.h:67:0: note: this is the location of the previous definition #define DIV_ROUND_UP __KERNEL_DIV_ROUND_UP ^ Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-01-08cxgbi: Typo in MODULE_PARM_DESCDan Carpenter1-1/+1
The module_param is "cxgb3i_rx_credit_thres" so the MODULE_PARM_DESC() should match that. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Reviewed-by: Matthew R. Ochs <mrochs@linux.vnet.ibm.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2015-11-09drivers/scsi/cxgbi: fix build with EXTRA_CFLAGSJiri Slaby2-2/+2
EXTRA_CFLAGS are intended to be used on the command line, not by Kbuild. In case of cxgbi drivers, use of EXTRA_CFLAGS results in a compilation failure: drivers/scsi/cxgbi/cxgb4i/cxgb4i.c:24:21: fatal error: t4_regs.h: No such file or directory when building like: $ make drivers/scsi/cxgbi/ EXTRA_CFLAGS=-Wwhatever Use ccflags-y instead of EXTRA_CFLAGS. Signed-off-by: Jiri Slaby <jslaby@suse.cz> Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de> Cc: James Bottomley <James.Bottomley@HansenPartnership.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-10-14cxgb4i: Increased the value of MAX_IMM_TX_PKT_LEN from 128 to 256 bytesKaren Xie1-1/+1
This helps improving the latency of small packets. Signed-off-by: Rakesh Ranjan <rakesh@chelsio.com> Signed-off-by: Karen Xie <kxie@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-06-30libcxgbi: use kvfree() in cxgbi_free_big_mem()Pekka Enberg1-4/+1
Use kvfree() instead of open-coding it. Signed-off-by: Pekka Enberg <penberg@kernel.org> Cc: "James E.J. Bottomley" <JBottomley@odin.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-06-24Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-nextLinus Torvalds1-1/+1
Pull networking updates from David Miller: 1) Add TX fast path in mac80211, from Johannes Berg. 2) Add TSO/GRO support to ibmveth, from Thomas Falcon 3) Move away from cached routes in ipv6, just like ipv4, from Martin KaFai Lau. 4) Lots of new rhashtable tests, from Thomas Graf. 5) Run ingress qdisc lockless, from Alexei Starovoitov. 6) Allow servers to fetch TCP packet headers for SYN packets of new connections, for fingerprinting. From Eric Dumazet. 7) Add mode parameter to pktgen, for testing receive. From Alexei Starovoitov. 8) Cache access optimizations via simplifications of build_skb(), from Alexander Duyck. 9) Move page frag allocator under mm/, also from Alexander. 10) Add xmit_more support to hv_netvsc, from KY Srinivasan. 11) Add a counter guard in case we try to perform endless reclassify loops in the packet scheduler. 12) Extern flow dissector to be programmable and use it in new "Flower" classifier. From Jiri Pirko. 13) AF_PACKET fanout rollover fixes, performance improvements, and new statistics. From Willem de Bruijn. 14) Add netdev driver for GENEVE tunnels, from John W Linville. 15) Add ingress netfilter hooks and filtering, from Pablo Neira Ayuso. 16) Fix handling of epoll edge triggers in TCP, from Eric Dumazet. 17) Add an ECN retry fallback for the initial TCP handshake, from Daniel Borkmann. 18) Add tail call support to BPF, from Alexei Starovoitov. 19) Add several pktgen helper scripts, from Jesper Dangaard Brouer. 20) Add zerocopy support to AF_UNIX, from Hannes Frederic Sowa. 21) Favor even port numbers for allocation to connect() requests, and odd port numbers for bind(0), in an effort to help avoid ip_local_port_range exhaustion. From Eric Dumazet. 22) Add Cavium ThunderX driver, from Sunil Goutham. 23) Allow bpf programs to access skb_iif and dev->ifindex SKB metadata, from Alexei Starovoitov. 24) Add support for T6 chips in cxgb4vf driver, from Hariprasad Shenai. 25) Double TCP Small Queues default to 256K to accomodate situations like the XEN driver and wireless aggregation. From Wei Liu. 26) Add more entropy inputs to flow dissector, from Tom Herbert. 27) Add CDG congestion control algorithm to TCP, from Kenneth Klette Jonassen. 28) Convert ipset over to RCU locking, from Jozsef Kadlecsik. 29) Track and act upon link status of ipv4 route nexthops, from Andy Gospodarek. * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1670 commits) bridge: vlan: flush the dynamically learned entries on port vlan delete bridge: multicast: add a comment to br_port_state_selection about blocking state net: inet_diag: export IPV6_V6ONLY sockopt stmmac: troubleshoot unexpected bits in des0 & des1 net: ipv4 sysctl option to ignore routes when nexthop link is down net: track link-status of ipv4 nexthops net: switchdev: ignore unsupported bridge flags net: Cavium: Fix MAC address setting in shutdown state drivers: net: xgene: fix for ACPI support without ACPI ip: report the original address of ICMP messages net/mlx5e: Prefetch skb data on RX net/mlx5e: Pop cq outside mlx5e_get_cqe net/mlx5e: Remove mlx5e_cq.sqrq back-pointer net/mlx5e: Remove extra spaces net/mlx5e: Avoid TX CQE generation if more xmit packets expected net/mlx5e: Avoid redundant dev_kfree_skb() upon NOP completion net/mlx5e: Remove re-assignment of wq type in mlx5e_enable_rq() net/mlx5e: Use skb_shinfo(skb)->gso_segs rather than counting them net/mlx5e: Static mapping of netdev priv resources to/from netdev TX queues net/mlx4_en: Use HW counters for rx/tx bytes/packets in PF device ...
2015-05-25ipv6: Remove external dependency on rt6i_dst and rt6i_srcMartin KaFai Lau1-1/+1
This patch removes the assumptions that the returned rt is always a RTF_CACHE entry with the rt6i_dst and rt6i_src containing the destination and source address. The dst and src can be recovered from the calling site. We may consider to rename (rt6i_dst, rt6i_src) to (rt6i_key_dst, rt6i_key_src) later. Signed-off-by: Martin KaFai Lau <kafai@fb.com> Reviewed-by: Hannes Frederic Sowa <hannes@stressinduktion.org> Cc: Steffen Klassert <steffen.klassert@secunet.com> Cc: Julian Anastasov <ja@ssi.bg> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-05-25cxgb4i: set the initial sequence numberKaren Xie2-2/+8
set the initial sequence number so the 1st byte of payload is aligned on the 8-byte boundary. Signed-off-by: Karen Xie <kxie@chelsio.com> Reviewed-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <JBottomley@Odin.com>
2015-05-25cxgbi: update driver versionsKaren Xie3-6/+13
Change driver version to follow the same format as other Chelsio drivers. Added missing release date back to cxgb4i and version string back to libcxgbi. Signed-off-by: Karen Xie <kxie@chelsio.com> Reviewed-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <JBottomley@Odin.com>
2015-05-25cxgbi: update copyright to 2015Karen Xie6-6/+6
Signed-off-by: Karen Xie <kxie@chelsio.com> Reviewed-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <JBottomley@Odin.com>
2015-05-25cxgbi: use per-connection link-speed dependent send/recv windowsKaren Xie4-23/+40
For adapters supporting both 10G and 40G use per-connection send/recv window and calculate the size based on the link speed. Signed-off-by: Karen Xie <kxie@chelsio.com> Reviewed-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <JBottomley@Odin.com>
2015-01-15cxgb4i : Call into recently added cxgb4 ipv6 apiAnish Bhatt1-1/+22
Get a reference on every ipv6 address we offload to hardware so that it cannot be prematurely cleared out before cleanup. Signed-off-by: Anish Bhatt <anish@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-01-12iw_cxgb4/cxgb4/cxgb4vf/cxgb4i/csiostor: Cleanup register defines/macros ↵Hariprasad Shenai1-3/+3
related to all other cpl messages This patch cleanups all other macros/register define related to CPL messages that are defined in t4_msg.h and the affected files Signed-off-by: Anish Bhatt <anish@chelsio.com> Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-01-12iw_cxgb4/cxgb4/cxgb4i: Cleanup register defines/MACROS related to CM CPL ↵Hariprasad Shenai1-6/+6
messages This patch cleanups all macros/register define related to connection management CPL messages that are defined in t4_msg.h and the affected files Signed-off-by: Anish Bhatt <anish@chelsio.com> Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-12-12libcxgbi: fix freeing skb prematurelyKaren Xie1-1/+3
With debug turned on the debug print would access the skb after it is freed. Fix it to free the skb after the debug print. Signed-off-by: Karen Xie <kxie@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-12-12cxgb4i: use set_wr_txq() to set tx queuesKaren Xie1-11/+5
use cxgb4's set_wr_txq() for setting of the tx queue for a outgoing packet. remove the similar function in cxgb4i. Signed-off-by: Karen Xie <kxie@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-12-12cxgb4i: handle non-pdu-aligned rx dataKaren Xie1-0/+22
Abort the connection upon receiving of cpl_rx_data, which means the pdu cannot be recovered from the tcp stream. This generally is due to pdu header corruption. Signed-off-by: Karen Xie <kxie@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-12-12cxgb4i: additional types of negative adviceKaren Xie1-3/+9
Treat both CPL_ERR_KEEPALV_NEG_ADVICE and CPL_ERR_PERSIST_NEG_ADVICE as negative advice. Signed-off-by: Karen Xie <kxie@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-12-12cxgb4/cxgb4i: set the max. pdu length in firmwareKaren Xie1-18/+51
Programs the firmware of the maximum outgoing iscsi pdu length per connection. Signed-off-by: Karen Xie <kxie@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-12-12cxgb4i: fix credit check for tx_data_wrKaren Xie1-1/+2
make sure any tx credit related checking is done before adding the wr header. Signed-off-by: Karen Xie <kxie@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-12-12cxgb4i: fix tx immediate data credit checkKaren Xie2-9/+17
Only data skbs need the wr header added while control skbs do not. Make sure they are treated differently. Signed-off-by: Karen Xie <kxie@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-12-11Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-nextLinus Torvalds1-55/+58
Pull networking updates from David Miller: 1) New offloading infrastructure and example 'rocker' driver for offloading of switching and routing to hardware. This work was done by a large group of dedicated individuals, not limited to: Scott Feldman, Jiri Pirko, Thomas Graf, John Fastabend, Jamal Hadi Salim, Andy Gospodarek, Florian Fainelli, Roopa Prabhu 2) Start making the networking operate on IOV iterators instead of modifying iov objects in-situ during transfers. Thanks to Al Viro and Herbert Xu. 3) A set of new netlink interfaces for the TIPC stack, from Richard Alpe. 4) Remove unnecessary looping during ipv6 routing lookups, from Martin KaFai Lau. 5) Add PAUSE frame generation support to gianfar driver, from Matei Pavaluca. 6) Allow for larger reordering levels in TCP, which are easily achievable in the real world right now, from Eric Dumazet. 7) Add a variable of napi_schedule that doesn't need to disable cpu interrupts, from Eric Dumazet. 8) Use a doubly linked list to optimize neigh_parms_release(), from Nicolas Dichtel. 9) Various enhancements to the kernel BPF verifier, and allow eBPF programs to actually be attached to sockets. From Alexei Starovoitov. 10) Support TSO/LSO in sunvnet driver, from David L Stevens. 11) Allow controlling ECN usage via routing metrics, from Florian Westphal. 12) Remote checksum offload, from Tom Herbert. 13) Add split-header receive, BQL, and xmit_more support to amd-xgbe driver, from Thomas Lendacky. 14) Add MPLS support to openvswitch, from Simon Horman. 15) Support wildcard tunnel endpoints in ipv6 tunnels, from Steffen Klassert. 16) Do gro flushes on a per-device basis using a timer, from Eric Dumazet. This tries to resolve the conflicting goals between the desired handling of bulk vs. RPC-like traffic. 17) Allow userspace to ask for the CPU upon what a packet was received/steered, via SO_INCOMING_CPU. From Eric Dumazet. 18) Limit GSO packets to half the current congestion window, from Eric Dumazet. 19) Add a generic helper so that all drivers set their RSS keys in a consistent way, from Eric Dumazet. 20) Add xmit_more support to enic driver, from Govindarajulu Varadarajan. 21) Add VLAN packet scheduler action, from Jiri Pirko. 22) Support configurable RSS hash functions via ethtool, from Eyal Perry. * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1820 commits) Fix race condition between vxlan_sock_add and vxlan_sock_release net/macb: fix compilation warning for print_hex_dump() called with skb->mac_header net/mlx4: Add support for A0 steering net/mlx4: Refactor QUERY_PORT net/mlx4_core: Add explicit error message when rule doesn't meet configuration net/mlx4: Add A0 hybrid steering net/mlx4: Add mlx4_bitmap zone allocator net/mlx4: Add a check if there are too many reserved QPs net/mlx4: Change QP allocation scheme net/mlx4_core: Use tasklet for user-space CQ completion events net/mlx4_core: Mask out host side virtualization features for guests net/mlx4_en: Set csum level for encapsulated packets be2net: Export tunnel offloads only when a VxLAN tunnel is created gianfar: Fix dma check map error when DMA_API_DEBUG is enabled cxgb4/csiostor: Don't use MASTER_MUST for fw_hello call net: fec: only enable mdio interrupt before phy device link up net: fec: clear all interrupt events to support i.MX6SX net: fec: reset fep link status in suspend function net: sock: fix access via invalid file descriptor net: introduce helper macro for_each_cmsghdr ...
2014-12-08Merge remote-tracking branch 'scsi-queue/drivers-for-3.19' into for-linusJames Bottomley2-2/+4
Conflicts: drivers/scsi/scsi_debug.c Agreed and tested resolution to a merge problem between a fix in scsi_debug and a driver update Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2014-11-24scsi: drop reason argument from ->change_queue_depthChristoph Hellwig2-2/+2
Drop the now unused reason argument from the ->change_queue_depth method. Also add a return value to scsi_adjust_queue_depth, and rename it to scsi_change_queue_depth now that it can be used as the default ->change_queue_depth implementation. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Mike Christie <michaelc@cs.wisc.edu> Reviewed-by: Hannes Reinecke <hare@suse.de>
2014-11-24scsi: avoid ->change_queue_depth indirection for queue full trackingChristoph Hellwig2-0/+2
All drivers use the implementation for ramping the queue up and down, so instead of overloading the change_queue_depth method call the implementation diretly if the driver opts into it by setting the track_queue_depth flag in the host template. Note that a few drivers validated the new queue depth in their change_queue_depth method, but as we never go over the queue depth set during slave_configure or the sysfs file this isn't nessecary and can safely be removed. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Mike Christie <michaelc@cs.wisc.edu> Reviewed-by: Hannes Reinecke <hare@suse.de> Reviewed-by: Venkatesh Srinivas <venkateshs@google.com>
2014-11-21Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netDavid S. Miller2-17/+20
Conflicts: drivers/net/ieee802154/fakehard.c A bug fix went into 'net' for ieee802154/fakehard.c, which is removed in 'net-next'. Add build fix into the merge from Stephen Rothwell in openvswitch, the logging macros take a new initial 'log' argument, a new call was added in 'net' so when we merge that in here we have to explicitly add the new 'log' arg to it else the build fails. Signed-off-by: David S. Miller <davem@davemloft.net>
2014-11-21Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netLinus Torvalds2-1/+3
Pull networking fixes from David Miller: 1) Fix BUG when decrypting empty packets in mac80211, from Ronald Wahl. 2) nf_nat_range is not fully initialized and this is copied back to userspace, from Daniel Borkmann. 3) Fix read past end of b uffer in netfilter ipset, also from Dan Carpenter. 4) Signed integer overflow in ipv4 address mask creation helper inet_make_mask(), from Vincent BENAYOUN. 5) VXLAN, be2net, mlx4_en, and qlcnic need ->ndo_gso_check() methods to properly describe the device's capabilities, from Joe Stringer. 6) Fix memory leaks and checksum miscalculations in openvswitch, from Pravin B SHelar and Jesse Gross. 7) FIB rules passes back ambiguous error code for unreachable routes, making behavior confusing for userspace. Fix from Panu Matilainen. 8) ieee802154fake_probe() doesn't release resources properly on error, from Alexey Khoroshilov. 9) Fix skb_over_panic in add_grhead(), from Daniel Borkmann. 10) Fix access of stale slave pointers in bonding code, from Nikolay Aleksandrov. 11) Fix stack info leak in PPP pptp code, from Mathias Krause. 12) Cure locking bug in IPX stack, from Jiri Bohac. 13) Revert SKB fclone memory freeing optimization that is racey and can allow accesses to freed up memory, from Eric Dumazet. * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (71 commits) tcp: Restore RFC5961-compliant behavior for SYN packets net: Revert "net: avoid one atomic operation in skb_clone()" virtio-net: validate features during probe cxgb4 : Fix DCB priority groups being returned in wrong order ipx: fix locking regression in ipx_sendmsg and ipx_recvmsg openvswitch: Don't validate IPv6 label masks. pptp: fix stack info leak in pptp_getname() brcmfmac: don't include linux/unaligned/access_ok.h cxgb4i : Don't block unload/cxgb4 unload when remote closes TCP connection ipv6: delete protocol and unregister rtnetlink when cleanup net/mlx4_en: Add VXLAN ndo calls to the PF net device ops too bonding: fix curr_active_slave/carrier with loadbalance arp monitoring mac80211: minstrel_ht: fix a crash in rate sorting vxlan: Inline vxlan_gso_check(). can: m_can: update to support CAN FD features can: m_can: fix incorrect error messages can: m_can: add missing delay after setting CCCR_INIT bit can: m_can: fix not set can_dlc for remote frame can: m_can: fix possible sleep in napi poll can: m_can: add missing message RAM initialization ...
2014-11-19cxgb4i : Don't block unload/cxgb4 unload when remote closes TCP connectionAnish Bhatt2-1/+3
cxgb4i was returning wrong error and not releasing module reference if remote end abruptly closed TCP connection. This prevents the cxgb4 network module from being unloaded, further affecting other network drivers dependent on cxgb4 Sending to net as this affects all cxgb4 based network drivers. Signed-off-by: Anish Bhatt <anish@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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