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2015-03-05cxgb4: Try and provide an RDMA CIQ per cpuHariprasad Shenai3-17/+46
To allow for better scalability on systems with large core counts, we will try and allocate enough RDMA Concentrator IQs and MSI/X vectors as we have cores. If we cannot get enough MSI/X vectors, fall back to the minimum required: 1 per adapter rx channel. Also clean up cxgb_enable_msix() to make it readable and correct a bug where the vectors are not correctly assigned if the driver doesn't get the full amount requested. Signed-off-by: Steve Wise <swise@opengridcomputing.com> Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-03-05cxgb4: Move offload Rx queue allocation to separate functionHariprasad Shenai1-38/+35
Adds a common function for all Rx queue allocation. Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-02-27cxgb4: Fix PCI-E Memory window interface for big-endian systemsHariprasad Shenai2-11/+45
When doing reads and writes to adapter memory via the PCI-E Memory Window interface, data gets swizzled on 4-byte boundaries on Big-Endian systems because we need to account for the register read/write interface which incorporates a swizzle onto the Little-Endian PCI-E Bus. Based on original work by Casey Leedom <leedom@chelsio.com> Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-02-20cxgb4: Fix incorrect 'c' suffix to %pI4, use %pISc insteadAnish Bhatt2-30/+33
Issue caught by 0-day kernel test infrastructure. Code changed to use sockaddr members so that %pISc can be used instead. Fixes: b5a02f503caa ('cxgb4 : Update ipv6 address handling api') Signed-off-by: Anish Bhatt <anish@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-02-17Merge branch 'debugfs_automount' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfsLinus Torvalds1-6/+3
Pull debugfs patches from Al Viro: "debugfs patches, mostly to make it possible for something like tracefs to be transparently automounted on given directory in debugfs. New primitive in there is debugfs_create_automount(name, parent, func, arg), which creates a directory and makes its ->d_automount() return func(arg). Another missing primitive was debugfs_create_file_size() - open-coded in quite a few places. Dave's patch adds it and converts the open-code instances to calling it" * 'debugfs_automount' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: debugfs: Provide a file creation function that also takes an initial size new primitive: debugfs_create_automount() debugfs: split end_creating() into success and failure cases debugfs: take mode-dependent parts of debugfs_get_inode() into callers fold debugfs_mknod() into callers fold debugfs_create() into caller fold debugfs_mkdir() into caller debugfs_mknod(): get rid useless arguments fold debugfs_link() into caller debugfs: kill __create_file() debugfs: split the beginning and the end of __create_file() off debugfs_{mkdir,create,link}(): get rid of redundant argument
2015-02-17Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfsLinus Torvalds1-1/+1
Pull misc VFS updates from Al Viro: "This cycle a lot of stuff sits on topical branches, so I'll be sending more or less one pull request per branch. This is the first pile; more to follow in a few. In this one are several misc commits from early in the cycle (before I went for separate branches), plus the rework of mntput/dput ordering on umount, switching to use of fs_pin instead of convoluted games in namespace_unlock()" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: switch the IO-triggering parts of umount to fs_pin new fs_pin killing logics allow attaching fs_pin to a group not associated with some superblock get rid of the second argument of acct_kill() take count and rcu_head out of fs_pin dcache: let the dentry count go down to zero without taking d_lock pull bumping refcount into ->kill() kill pin_put() mode_t whack-a-mole: chelsio file->f_path.dentry is pinned down for as long as the file is open... get rid of lustre_dump_dentry() gut proc_register() a bit kill d_validate() ncpfs: get rid of d_validate() nonsense selinuxfs: don't open-code d_genocide()
2015-02-17debugfs: Provide a file creation function that also takes an initial sizeDavid Howells1-6/+3
Provide a file creation function that also takes an initial size so that the caller doesn't have to set i_size, thus meaning that we don't have to call deal with ->d_inode in the callers. Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2015-02-09cxgb4: Add support in cxgb4 to get expansion rom version via ethtoolHariprasad Shenai4-0/+55
Add support to get option/expansion rom version flashed in the adapter via ethtool getdrvinfo function. Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-02-08cxgb4: Fix trace observed while dumping clip_tblHariprasad Shenai2-1/+4
Handle clip_tbl debugfs entry, when clip_tbl isn't allocated. In commit b5a02f503caa0837 ("cxgb4: Update ipv6 address handling api") wrong argument was passed for single_open for clip_tbl debugfs entry, which led to below trace. Fixing it. ====== call Trace: [<ffffffffa073c606>] clip_tbl_open+0x16/0x30 [cxgb4] [<ffffffff8119e2fa>] do_dentry_open+0x21a/0x370 [<ffffffff8119e499>] vfs_open+0x49/0x50 [<ffffffff811b0d0e>] do_last+0x21e/0x800 [<ffffffff811b1382>] path_openat+0x92/0x470 [<ffffffff8110569f>] ? rb_reserve_next_event+0xaf/0x380 [<ffffffff8110569f>] ? rb_reserve_next_event+0xaf/0x380 [<ffffffff811b189a>] do_filp_open+0x4a/0xa0 [<ffffffff811bdc5d>] ? __alloc_fd+0xcd/0x140 [<ffffffff8119fa4a>] do_sys_open+0x11a/0x230 [<ffffffff8101219f>] ? syscall_trace_enter_phase2+0xaf/0x1b0 [<ffffffff8119fb9e>] SyS_open+0x1e/0x20 [<ffffffff815bf6f0>] tracesys_phase2+0xd4/0xd9 Code: 89 e5 66 66 66 66 90 48 8b 47 e0 48 8b 40 30 48 8b 40 58 c9 c3 66 0f 1f 84 00 00 00 00 00 55 48 89 e5 66 66 66 66 90 48 8b 47 e0 <48> 8b 40 58 c9 c3 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 55 48 RIP [<ffffffff8120898d>] PDE_DATA+0xd/0x20 RSP <ffff8800b08c3c48> CR2: 0000000000000058 ===== Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-02-07cxgb4: Add support in debugfs to dump the congestion control tableHariprasad Shenai4-0/+53
Dump Transport Processor modules congestion control configuration Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-02-07cxgb4: Add support to dump mailbox content in debugfsHariprasad Shenai3-0/+91
Adds support to dump the current contents of mailbox and the driver which owns it. Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-02-07cxgb4: Add support for ULP RX logic analyzer output in debugfsHariprasad Shenai5-0/+58
Dump Upper Layer Protocol RX module command trace Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-02-07cxgb4: Added support in debugfs to display TP logic analyzer outputHariprasad Shenai5-0/+320
Dump Transport Processor event trace. Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-02-07cxgb4: Add support in debugfs to display sensor informationHariprasad Shenai2-0/+42
Dump out various chip sensor information. Currently Chip Temperature and Core Voltage. Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-02-05chelsio: cxgb4: fix sparse warningLad, Prabhakar1-1/+1
this patch fixes following sparse warning: cxgb4_dcb.c:25:6: warning: symbol 'dcb_ver_array' was not declared. Should it be static? Alongside making it const. Signed-off-by: Lad, Prabhakar <prabhakar.csengg@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-02-05cxgb4: Delete an unnecessary check before the function call "release_firmware"Markus Elfring1-2/+1
The release_firmware() function tests whether its argument is NULL and then returns immediately. Thus the test around the call is not needed. This issue was detected by using the Coccinelle software. Signed-off-by: Markus Elfring <elfring@users.sourceforge.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-02-04cxgb4: Add low latency socket busy_poll supportHariprasad Shenai4-3/+174
cxgb_busy_poll, corresponding to ndo_busy_poll, gets called by the socket waiting for data. With busy_poll enabled, improvement is seen in latency numbers as observed by collecting netperf TCP_RR numbers. Below are latency number, with and without busy-poll, in a switched environment for a particular msg size: netperf command: netperf -4 -H <ip> -l 30 -t TCP_RR -- -r1,1 Latency without busy-poll: ~16.25 us Latency with busy-poll : ~08.79 us Based on original work by Kumar Sanghvi <kumaras@chelsio.com> Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-02-02cxgb4 : Improve IEEE DCBx support, other minor open-lldp fixesAnish Bhatt2-2/+107
* Add support for IEEE ets & pfc api. * Fix bug that resulted in incorrect bandwidth percentage being returned for CEE peers * Convert pfc enabled info from firmware format to what dcbnl expects before returning Signed-off-by: Anish Bhatt <anish@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-02-01cxgb4: Remove preprocessor check for CONFIG_CXGB4_DCBHariprasad Shenai1-1/+23
In commit dc9daab226aa ("cxgb4: Added support in debugfs to dump sge_qinfo") a preprocessor check for CONFIG_CXGB4_DCB got added, which should have been CONFIG_CHELSIO_T4_DCB. After adding the right preprocessor, build fails due to missing function ethqset2pinfo. Fixing that as well. V2: Updated description since the patch also fixes build failure Reported-by: Paul Bolle <pebolle@tiscal.nl> Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-01-27cxgb4: Move firmware version MACRO to t4fw_version.hHariprasad Shenai3-10/+49
Move firmware version MACRO to a new t4fw_version.h file so that csiostor driver can also use it. Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-01-27cxgb4: Added support in debugfs to dump different timer and clock values of the adapterHariprasad Shenai2-0/+86
Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-01-27cxgb4: Added support in debugfs to dump PM module statsHariprasad Shenai5-0/+135
Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-01-27cxgb4: Addded support in debugfs to dump CIM outbound queue contentHariprasad Shenai5-0/+119
Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-01-27cxgb4: Added support in debugfs to dump cim ingress bound queue contentsHariprasad Shenai5-0/+104
Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-01-27cxgb4: Added support in debugfs to dump sge_qinfoHariprasad Shenai3-2/+215
Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-01-26cxgb4: Fixes cxgb4_inet6addr_notifier unregister callHariprasad Shenai1-1/+1
commit b5a02f503caa0837 ("cxgb4 : Update ipv6 address handling api") introduced a regression where unregister cxgb4_inet6addr_notifier wasn't getting called during module_exit. Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-01-25mode_t whack-a-mole: chelsioAl Viro1-1/+1
it's umode_t, damnit... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2015-01-25cxgb3: re-use native hex2bin()Andy Shevchenko1-3/+3
Call hex2bin() library function instead of doing conversion here. Signed-off-by: Andy Shevchenko <andy.shevchenko@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-01-24cxgb4: Add debugfs options to dump the rss key, config for PF, VF, etcHariprasad Shenai5-0/+978
Adds support to dump the rss table, rss_config, rss_key, rss_pf_config and rss_vf_config Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-01-24cxgb4: Add debugfs entry to dump the contents of the flashHariprasad Shenai5-3/+110
Adds support to dump the contents of the flash in the adapter Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-01-15cxgb4 : Update ipv6 address handling apiAnish Bhatt7-163/+447
This patch improves on previously added support for ipv6 addresses. The code is consolidated to a single file and adds an api for use by dependent upper level drivers such as cxgb4i/iw_cxgb4 etc. Signed-off-by: Anish Bhatt <anish@chelsio.com> Signed-off-by: Deepak Singh <deepak.s@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-01-15Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netDavid S. Miller2-1/+3
Conflicts: drivers/net/xen-netfront.c Minor overlapping changes in xen-netfront.c, mostly to do with some buffer management changes alongside the split of stats into TX and RX. Signed-off-by: David S. Miller <davem@davemloft.net>
2015-01-14cxgb4vf: Fix queue allocation for 40G adapterHariprasad Shenai1-1/+1
Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-01-13net: rename vlan_tx_* helpers since "tx" is misleading thereJiri Pirko4-9/+9
The same macros are used for rx as well. So rename it. Signed-off-by: Jiri Pirko <jiri@resnulli.us> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-01-13cxgb4: Ripping out old hard-wired initialization code in driverHariprasad Shenai2-520/+58
Removing old hard-wired initialization code in the driver, which is no longer used. Also deprecating few module parameters. Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-01-13cxgb4vf: Initialize mdio_addr before using itHariprasad Shenai1-0/+2
In commit 5ad24def21b205a8 ("cxgb4vf: Fix ethtool get_settings for VF driver") mdio_addr of port_info structure was used unininitialzed. Fixing it. Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-01-12iw_cxgb4/cxgb4/cxgb4vf/cxgb4i/csiostor: Cleanup register defines/macros related to all other cpl messagesHariprasad Shenai6-71/+155
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 messagesHariprasad Shenai4-42/+138
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>
2015-01-08cxgb4: Add support for mps_tcam debugfsHariprasad Shenai2-0/+191
Debug log to get the MPS TCAM table Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-01-08cxgb4: Add support for cim_qcfg entry in debugfsHariprasad Shenai5-0/+164
Adds debug log to get cim queue config Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-01-08cxgb4: Add support for cim_la entry in debugfsHariprasad Shenai6-2/+304
The CIM LA captures the embedded processor’s internal state. Optionally, it can also trace the flow of data in and out of the embedded processor. Therefore, the CIM LA output contains detailed information of what code the embedded processor executed prior to the CIM LA capture. Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-01-08cxgb4: Add support for devlogHariprasad Shenai5-0/+325
Add support for device log entry in debugfs Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-01-06cxgb4: Add PCI device ID for new T5 adapterHariprasad Shenai1-0/+1
Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-01-05cxgb4/cxgb4vf/csiostor: Cleanup PL, XGMAC, SF and MC related register definesHariprasad Shenai7-409/+493
This patch cleanups all PL, XGMAC and SF related macros/register defines that are defined in t4_regs.h and the affected files Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-01-05cxgb4/csiostor: Cleanup TP, MPS and TCAM related register definesHariprasad Shenai3-355/+476
This patch cleanups all TP, MPS and TCAM related macros/register defines that are defined in t4_regs.h and the affected files Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-01-05cxgb4/cxg4vf/csiostor: Cleanup MC, MA and CIM related register definesHariprasad Shenai4-259/+466
This patch cleanups all MC, MA and CIM related macros/register defines that are defined in t4_regs.h and the affected files. Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-01-05cxgb4/cxgb4vf/csiostor: Cleanup SGE and PCI related register definesHariprasad Shenai7-382/+615
This patch cleansup remaining SGE related macros/register defines and all PCI related ones that are defined in t4_regs.h and the affected files. Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-01-05RDMA/cxgb4/cxgb4vf/csiostor: Cleanup SGE register definesHariprasad Shenai8-391/+566
This patch cleanups all SGE related macros/register defines that are defined in t4_regs.h and the affected files. Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-01-02net: ethernet: chelsio: cxgb3: mc5.c: Remove some unused functionsRickard Strandqvist1-16/+0
Removes some functions that are not used anywhere: dbgi_rd_rsp3() dbgi_wr_addr3() This was partially found by using a static code analysis program called cppcheck. Signed-off-by: Rickard Strandqvist <rickard_strandqvist@spectrumdigital.se> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-12-22cxgb4vf: Fix ethtool get_settings for VF driverHariprasad Shenai4-41/+161
Decode and display Port Type and Module Type for ethtool get_settings() call Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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