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2013-08-29sfc: Extend struct efx_tx_buffer to allow pushing option descriptorsBen Hutchings3-2/+11
The TX path firmware for EF10 supports 'option descriptors' to control offloads and various other features. Add a flag and field for these in struct efx_tx_buffer, and don't treat them as DMA descriptors on completion. Signed-off-by: Ben Hutchings <[email protected]>
2013-08-29sfc: Use a global count of active queues instead of pending drainsAlexandre Rames3-13/+14
On EF10, the firmware will initiate a queue flush in certain error cases. We need to accept that flush events might appear at any time after a queue has been initialised, not just when we try to flush them. We can handle Falcon-architecture in just the same way. Signed-off-by: Ben Hutchings <[email protected]>
2013-08-29sfc: Prepare for RX scatter on EF10Jon Cooper3-8/+12
RX DMA scatter is always enabled on EF10. Adjust the common RX completion handling to allow for this. RX completion events on EF10 include the length used from a single descriptor, not the cumulative length used. Add a field to struct efx_rx_queue to hold the cumulative length. [bwh: Also fix a related comment] Signed-off-by: Ben Hutchings <[email protected]>
2013-08-29sfc: Initialise IRQ moderation for all NIC types from efx_init_eventq()Ben Hutchings2-3/+3
Signed-off-by: Ben Hutchings <[email protected]>
2013-08-29sfc: Allow efx_nic_type::dimension_resources to failBen Hutchings4-6/+12
Signed-off-by: Ben Hutchings <[email protected]>
2013-08-29sfc: Allow event queue initialisation to failJon Cooper4-28/+95
On EF10, event queue initialisation requires an MCDI request which may return failure. Signed-off-by: Ben Hutchings <[email protected]>
2013-08-29sfc: Document conditions for multicast replication vs filter replacementBen Hutchings2-7/+49
Add the efx_filter_is_mc_recip() function to decide whether a filter is for a multicast recipient and can coexist with other filters with the same match values. Update efx_filter_insert_filter() kernel-doc to explain the conditions for this. Signed-off-by: Ben Hutchings <[email protected]>
2013-08-29sfc: Implement asynchronous MCDI requestsBen Hutchings3-30/+291
This will allow use of MCDI from the data path, in particular for accelerated RFS. Signed-off-by: Ben Hutchings <[email protected]>
2013-08-29sfc: Remove unnecessary use of atomic_tBen Hutchings2-17/+13
We can set, get and compare-and-exchange without using atomic_t. Change efx_mcdi_iface::state to the enum type we really wanted it to be. Suggested-by: David Miller <[email protected]> Signed-off-by: Ben Hutchings <[email protected]>
2013-08-29sfc: Refactor efx_mcdi_rpc_start() and efx_mcdi_copyin()Ben Hutchings1-19/+30
Preparation for asynchronous MCDI requests. Signed-off-by: Ben Hutchings <[email protected]>
2013-08-29sfc: Add support for new board sensorsBen Hutchings1-30/+91
Add support for power and current sensors, which need to be named differently in sysfs. Power sensors also require values to be scaled between MCDI and sysfs, and have no minimum value. Add definitions of the power, current, fan, and additional temperature and voltage sensors found on SFA6902F, SFN7022F and SFN7122F. (Includes a bug fix from Andrew Jackson.) Signed-off-by: Ben Hutchings <[email protected]>
2013-08-29ixgbe: add support for older QSFP active DA cablesEmil Tantilov2-10/+50
This patch adds support for QSFP active direct attach (DA) cables which pre-date SFF-8436 v3.6. Signed-off-by: Emil Tantilov <[email protected]> Tested-by: Phil Schmitt <[email protected]> Signed-off-by: Jeff Kirsher <[email protected]>
2013-08-29ixgbe: include QSFP PHY types in ixgbe_is_sfp()Emil Tantilov1-0/+4
This patch makes sure that QSFP+ modules use the SFP+ code path for setting up link. Signed-off-by: Emil Tantilov <[email protected]> Tested-by: Phil Schmitt <[email protected]> Signed-off-by: Jeff Kirsher <[email protected]>
2013-08-29ixgbe: add 1Gbps support for QSFP+Emil Tantilov3-11/+33
This patch adds GB speed support for QSFP+ modules. Autonegotiation is not supported with QSFP+. The user will have to set the desired speed on both link partners using ethtool advertise setting. Signed-off-by: Emil Tantilov <[email protected]> Tested-by: Phil Schmitt <[email protected]> Signed-off-by: Jeff Kirsher <[email protected]>
2013-08-29ixgbe: fix SFF data dumps of SFP+ modules from an offsetEmil Tantilov1-5/+4
This patch fixes the read loop for the I2C data to account for the offset. Also includes a whitespace cleanup and removes ret_val as it is not needed. CC: Ben Hutchings <[email protected]> Reported-by: Ben Hutchings <[email protected]> Signed-off-by: Emil Tantilov <[email protected]> Tested-by: Phil Schmitt <[email protected]> Reviewed-by: Ben Hutchings <[email protected]> Signed-off-by: Jeff Kirsher <[email protected]>
2013-08-29ixgbe: cleanup some log messagesDon Skidmore2-5/+3
Some minor log messages cleanup, changing the level one message is logged, adding a bit of detail to another and put all the text on one line. Signed-off-by: Don Skidmore <[email protected]> Tested-by: Phil Schmitt <[email protected]> Signed-off-by: Jeff Kirsher <[email protected]>
2013-08-29ixgbe: zero out mailbox buffer on initEmil Tantilov1-2/+2
This patch initializes the msgbuf array to 0 in order to avoid using random numbers from the memory as MAC address for the VF. Signed-off-by: Emil Tantilov <[email protected]> Tested-by: Phil Schmitt <[email protected]> Signed-off-by: Jeff Kirsher <[email protected]>
2013-08-29ixgbe: fix link test when connected to 1Gbps link partnerEmil Tantilov1-17/+10
This patch is a partial reverse of: commit dfcc4615f09c33454bc553567f7c7506cae60cb9 Author: Jacob Keller <[email protected]> Date: Thu Nov 8 07:07:08 2012 +0000 ixgbe: ethtool ixgbe_diag_test cleanup Specifically forcing the laser before the link check can lead to inconsistent results because it does not guarantee that the link will be negotiated correctly. Such is the case when dual speed SFP+ module is connected to a gigabit link partner. Signed-off-by: Emil Tantilov <[email protected]> Tested-by: Phil Schmitt <[email protected]> Signed-off-by: Jeff Kirsher <[email protected]>
2013-08-29ixgbe: fix incorrect limit value in ring transverseDon Skidmore1-1/+1
We were transversing the tx_ring with IXGBE_NUM_RX_QUEUES. Now this define happens to have the correct value but this is misleading and a change later could easily make this no longer true. I updated it to netdev->num_tx_queues like we use in ixgbe_get_strings(). Signed-off-by: Don Skidmore <[email protected]> Tested-by: Phil Schmitt <[email protected]> Signed-off-by: Jeff Kirsher <[email protected]>
2013-08-29ixgbe: Check return value on eeprom readsMark Rustad4-39/+107
This patch fixes the possible use of uninitialized memory by checking the return value on eeprom reads. These issues were identified by static analysis. In many cases error messages will be produced so that corrupted eeprom issues will be more visible. Signed-off-by: Mark Rustad <[email protected]> Tested-by: Phil Schmitt <[email protected]> Signed-off-by: Jeff Kirsher <[email protected]>
2013-08-29ixgbe: disable link when adapter goes downJacob Keller3-0/+25
This patch fixes an issue with the 82599 adapter where it can potentially keep link lights up when the adapter has gone down. The patch adds a function which ensures link is disabled, and calls this function when the adapter transitions to a down state. Signed-off-by: Jacob Keller <[email protected]> Tested-by: Phil Schmitt <[email protected]> Signed-off-by: Jeff Kirsher <[email protected]>
2013-08-29Merge branch 'for-davem' of ↵David S. Miller20-1326/+1536
git://git.kernel.org/pub/scm/linux/kernel/git/bwh/sfc-next Ben Hutchings says: ==================== 1. Further cleanup and refactoring in preparation for EF10. 2. Remove ethtool stats that are always zero on Falcon boards. 3. Add an ethtool stat for merged TX completions. 4. Prepare to support merged RX completions. 5. Prepare to support more hwmon sensors. 6. Add support for new events that are generated by EF10 firmware. 7. Update MC reboot detection for EF10. ==================== Signed-off-by: David S. Miller <[email protected]>
2013-08-29qlcnic: underflow in qlcnic_validate_max_tx_rings()Dan Carpenter2-2/+2
This function checks the upper bound but it doesn't check for negative numbers: if (txq > QLCNIC_MAX_TX_RINGS) { I've solved this by making "txq" a u32 type. I chose that because ->tx_count in the ethtool_channels struct is a __u32. This bug was added in aa4a1f7df7 ('qlcnic: Enable Tx queue changes using ethtool for 82xx Series adapter.'). Signed-off-by: Dan Carpenter <[email protected]> Acked-by: Himanshu Madhani <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2013-08-29xen-netback: rename functionsWei Liu3-133/+134
As we move to 1:1 model and melt xen_netbk and xenvif together, it would be better to use single prefix for all functions in xen-netback. Signed-off-by: Wei Liu <[email protected]> Acked-by: Ian Campbell <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2013-08-29xen-netback: switch to NAPI + kthread 1:1 modelWei Liu3-507/+351
This patch implements 1:1 model netback. NAPI and kthread are utilized to do the weight-lifting job: - NAPI is used for guest side TX (host side RX) - kthread is used for guest side RX (host side TX) Xenvif and xen_netbk are made into one structure to reduce code size. This model provides better scheduling fairness among vifs. It is also prerequisite for implementing multiqueue for Xen netback. Signed-off-by: Wei Liu <[email protected]> Acked-by: Ian Campbell <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2013-08-29xen-netback: remove page tracking facilityWei Liu1-75/+2
The data flow from DomU to DomU on the same host in current copying scheme with tracking facility: copy DomU --------> Dom0 DomU | ^ |____________________________| copy The page in Dom0 is a page with valid MFN. So we can always copy from page Dom0, thus removing the need for a tracking facility. copy copy DomU --------> Dom0 -------> DomU Simple iperf test shows no performance regression (obviously we copy twice either way): W/ tracking: ~5.3Gb/s W/o tracking: ~5.4Gb/s Signed-off-by: Wei Liu <[email protected]> Acked-by: Ian Campbell <[email protected]> Acked-by: Matt Wilson <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2013-08-28net: xilinx: fix memleakLibo Chen1-0/+1
decrease device_node refcount np1 in err case. Signed-off-by: Libo Chen <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2013-08-28net: usb: Add HP hs2434 device to ZLP exception tableRob Gardner1-0/+4
This patch adds another entry (HP hs2434 Mobile Broadband) to the list of exceptional devices that require a zero length packet in order to function properly. This list was added in commit 844e88f0. The hs2434 is manufactured by Sierra Wireless, who also produces the MC7710, which the ZLP exception list was created for in the first place. So hopefully it is just this one producer's devices that will need this workaround. Tested on a DM1-4310NR HP notebook, which does not function without this change. Signed-off-by: Rob Gardner <[email protected]> Acked-by: Bjørn Mork <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2013-08-28net: stmmac: fixed the pbl setting with DTByungho An1-8/+12
This patch fixed the pbl(programmable burst length) setting using DT. Even though the default pbl is 8, If there is no pbl property in device tree file, pbl is set 0 and it causes bandwidth degradation. Signed-off-by: Byungho An <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2013-08-28cw1200: When debug is enabled, display all wakeup conditions for the ↵Solomon Peachy1-2/+2
wait_event_interruptible_timeout() call. When trying to debug an interrupt delivery problem I noticed that not all of the wakeup conditions on the worker thread were included in the debug message. This patch rectifies that. Signed-off-by: Solomon Peachy <[email protected]> Signed-off-by: John W. Linville <[email protected]>
2013-08-28cw1200: Display the correct default reference clock.Solomon Peachy1-1/+1
This is purely a cosmetic bug. Signed-off-by: Solomon Peachy <[email protected]> Signed-off-by: John W. Linville <[email protected]>
2013-08-28rt2800usb: Add WLI-UC-G300HP's Product ID.Masami Ichikawa1-0/+1
Support Bufallo WLI-UC-G300HP. Signed-off-by: Masami Ichikawa <[email protected]> Signed-off-by: John W. Linville <[email protected]>
2013-08-28ath9k: Enable D3/L1 ASPM fix for AR9462Sujith Manoharan1-6/+5
AR9462 requires this HW fix for ASPM to work properly. Also, since WARegVal is used only for the AR8003 family, use AR_SREV_9300_20_OR_LATER. Signed-off-by: Sujith Manoharan <[email protected]> Signed-off-by: John W. Linville <[email protected]>
2013-08-28ath9k: Remove unused ANI commandsSujith Manoharan5-18/+4
Signed-off-by: Sujith Manoharan <[email protected]> Signed-off-by: John W. Linville <[email protected]>
2013-08-28mwifiex: break a long line into two linesBing Zhao1-1/+2
It exceeded 80 characters. Split it into two lines. Signed-off-by: Bing Zhao <[email protected]> Signed-off-by: John W. Linville <[email protected]>
2013-08-28Merge branch 'for-john' of ↵John W. Linville6-11/+13
git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next
2013-08-28ath9k: ar9003_eeprom.c:3618 fix variable name typoJohn W. Linville1-2/+2
drivers/net/wireless/ath/ath9k/ar9003_eeprom.c: In function 'ar9003_hw_ant_ctrl_apply': >> drivers/net/wireless/ath/ath9k/ar9003_eeprom.c:3618: warning: 'regval' is used uninitialized in this function It seems obvious that 'regval' should have been 'value'... Reported-by: Fengguang Wu <[email protected]> Signed-off-by: John W. Linville <[email protected]>
2013-08-28Merge branch 'master' of ↵John W. Linville12-30/+50
git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless Conflicts: drivers/net/wireless/iwlwifi/pcie/trans.c net/mac80211/ibss.c
2013-08-27bnx2x: Fix VF stats syncAriel Elior3-1/+39
Since the PF gathers statistics for the VF, when the VF is about to unload we must synchronize the release of its statistics buffer with the PF, so that no DMA operation will be made to that address after the buffer release. Signed-off-by: Ariel Elior <[email protected]> Signed-off-by: Yuval Mintz <[email protected]> Signed-off-by: Eilon Greenstein <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2013-08-27bnx2x: Fix VF memory leak unloadAriel Elior2-4/+8
Due to incorrect VF/PF conditions, when unloading a VF it will not release part of the memory it has previously allocated. Signed-off-by: Ariel Elior <[email protected]> Signed-off-by: Yuval Mintz <[email protected]> Signed-off-by: Eilon Greenstein <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2013-08-27bnx2x: Fix functionality of configuring vlan listAriel Elior1-35/+2
The check on return code of bnx2x_vfop_config_vlan0() would lead to error handling flow as the return value indicating an existing pending ramrod would be erroneously considered as an error. Signed-off-by: Ariel Elior <[email protected]> Signed-off-by: Yuval Mintz <[email protected]> Signed-off-by: Eilon Greenstein <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2013-08-27bnx2x: Fix move FP memory deallocationsYuval Mintz1-0/+6
If driver will fail to allocate all queues, it will shrink the number of queues and move the storage queue to its correct place (i.e., the last queue among the newly supported number). When changing the pointers of the new location of the FCoE queue, we need to pay special attention to the aggregations pointer - that memory is allocated during probe and released upon driver removal. Current implementation has 2 pointers pointing to the same chunk of allocated memory, meaning upon removal there will be two kfree() of the same chunk while the other won't be released. Signed-off-by: Yuval Mintz <[email protected]> Signed-off-by: Ariel Elior <[email protected]> Signed-off-by: Eilon Greenstein <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2013-08-27bnx2x: vf mark stats startedAriel Elior1-12/+8
Solve issue where no stats were being collected for VF devices due to missing configuration in the stats' atomic synchronization mechanism. Signed-off-by: Ariel Elior <[email protected]> Signed-off-by: Yuval Mintz <[email protected]> Signed-off-by: Eilon Greenstein <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2013-08-27Merge branch 'for-davem' of ↵David S. Miller17-1767/+2118
git://git.kernel.org/pub/scm/linux/kernel/git/bwh/sfc-next Ben Hutchings says: ==================== More refactoring and cleanup, particularly around filter management. ==================== Signed-off-by: David S. Miller <[email protected]>
2013-08-27sfc: Use extended MC_CMD_SENSOR_INFO and MC_CMD_READ_SENSORSBen Hutchings1-44/+95
We need to use extended requests to read and get metadata for sensors numbered > 31. Signed-off-by: Ben Hutchings <[email protected]>
2013-08-27sfc: Return an error code when a sensor is busy.Alexandre Rames1-1/+6
[bwh: Also name this new state, though we don't expect to see it in an event] Signed-off-by: Ben Hutchings <[email protected]>
2013-08-27sfc: Add support for reading packet length from prefixBen Hutchings2-2/+14
Define a flag for struct efx_rx_buffer and efx_rx_packet() that indicates packet length must be read from the prefix. If this is set, read the length in __efx_rx_packet() (when the prefix should have arrived in cache). Signed-off-by: Ben Hutchings <[email protected]>
2013-08-27sfc: Add TX merged completion counterBen Hutchings3-0/+6
Add a counter for TX merged completion events. This is implemented in the common TX path, because the NIC event handlers only know how many descriptors were completed, not how many packets. Signed-off-by: Ben Hutchings <[email protected]>
2013-08-27sfc: Generalise packet hash lookup to support EF10 RX prefixJon Cooper6-13/+28
EF10 uses an entirely different RX prefix format from Falcon-arch. Extend struct efx_nic_type to describe this. [bwh: Also replace the magic numbers used for the Falcon-arch RX prefix] Signed-off-by: Ben Hutchings <[email protected]>
2013-08-27sfc: Rename EFX_PAGE_BLOCK_SIZE to EFX_VI_PAGE_SIZE and adjust commentsBen Hutchings1-4/+4
Signed-off-by: Ben Hutchings <[email protected]>
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