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* netxen: Fix vhdr_len in case of non vlan packets.Rajesh Borundia2011-09-20
| | | | | | | o Set vlan header length to zero. Signed-off-by: Rajesh Borundia <rajesh.borundia@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* macvtap: fix the uninitialized var using in macvtap_alloc_skb()Jason Wang2011-09-20
| | | | | | | | | | Commit d1b08284 use new frag API but would leave f to be used uninitialized, this patch fix it. Signed-off-by: Jason Wang <jasowang@redhat.com> Acked-by: Michael S. Tsirkin <mst@redhat.com> Acked-by: Ian Campbell <ian.campbell@citrix.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* Merge git://github.com/Jkirsher/net-nextDavid S. Miller2011-09-20
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| * igb: Remove multi_tx_table and simplify igb_xmit_frameAlexander Duyck2011-09-20
| | | | | | | | | | | | | | | | | | | | Instead of using the multi_tx_table to map possible Tx queues to Tx rings we can just do simple subtraction for the unlikely event that the Tx queue provided exceeds the number of Tx rings. Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
| * igb: Replace E1000_XX_DESC_ADV with IGB_XX_DESCAlexander Duyck2011-09-20
| | | | | | | | | | | | | | | | | | | | | | Since igb only uses advanced descriptors we might as well just use an IGB specific define and drop the _ADV suffix for the descriptor declarations. In addition this can be further reduced by assuming that it will be working on pointers since that is normally how the Tx descriptors are handled. Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
| * igb: drop the "adv" off function names relating to descriptorsAlexander Duyck2011-09-20
| | | | | | | | | | | | | | | | | | | | | | | | | | Many of the function names in the hot path are carrying an extra "_adv" suffix on the end of them to represent the fact that they are using advanced descriptors instead of legacy descriptors. However since all igb uses are advanced descriptors adding the extra suffix doesn't really add any additional data. Since this is the case it is easiest to just drop the suffix and save us from having to store the extra characters. Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
| * igb: Refactor clean_rx_irq to reduce overhead and improve performanceAlexander Duyck2011-09-20
| | | | | | | | | | | | | | | | | | | | | | | | | | | | This change is meant to be a general cleanup and performance improvement for clean_rx_irq. The previous patch should have updated the allocation so that the rings can be treated as read-only within the clean_rx_irq function. In addition I am re-ordering the operations such that several goals are accomplished including reducing the overhead for packet accounting, reducing the number of items on the stack, and improving overall performance. Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
| * igb: update ring and adapter structure to improve performanceAlexander Duyck2011-09-20
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This change is meant to improve performance by splitting the Tx and Rx rings into 3 sections. The first is primarily a read only section containing basic things like the indexes, a pointer to the dev and netdev structures, and basic information. The second section contains the stats and next_to_use and next_to_clean values. The third section is primarily unused values that can just be placed at the end of the ring and are not used in the hot path. The adapter structure has several sections that are read in the hot path. In order to improve performance there I am combining the frequent read hot path items into a single cache line. Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
| * igb: streamline Rx buffer allocation and cleanupAlexander Duyck2011-09-20
| | | | | | | | | | | | | | | | | | | | | | This change is meant to streamline the Rx buffer allocation and cleanup. This is accomplished by reducing the number of writes by only having the Rx descriptor ring written by software during allocation, and it will only be read during cleanup. Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
| * igb: drop support for single buffer modeAlexander Duyck2011-09-20
| | | | | | | | | | | | | | | | | | | | | | | | This change removes support for single buffer mode from igb and makes the driver function in packet split always. The advantage to doing this is that we can reduce total memory allocation overhead significantly as we will only need to allocate one 1K slab per packet and then make use of a reusable half page instead of allocating a 2K slab per packet. Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
| * igb: Update max_frame_size to account for an optional VLAN tag if presentAlexander Duyck2011-09-20
| | | | | | | | | | | | | | | | | | | | This patch modifies the max_frame_size in order account for an optional VLAN tag. In order to support this we must also increase the MAX_STD_JUMBO_FRAME_SIZE to account for the 4 extra bytes. Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
| * igb: Update RXDCTL/TXDCTL configurationsAlexander Duyck2011-09-20
| | | | | | | | | | | | | | | | | | This change cleans up the RXDCTL and TXDCTL configurations and optimizes RX performance by allowing back write-backs on all hardware other than 82576. Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
* | Merge branch 'master' of ssh://infradead/~/public_git/wireless-next into ↵John W. Linville2011-09-19
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| * ath9k: do not insert padding into tx buffers on AR9380+Felix Fietkau2011-09-16
| | | | | | | | | | | | | | | | | | | | With the new EDMA descriptor format, a single descriptor can contain up to four buffer pointers. By splitting the buffer into two parts, we can let the hardware add the padding internally instead of using memmove on the skb data. Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * ath9k: optimize ath_tx_rc_status usageFelix Fietkau2011-09-16
| | | | | | | | | | | | | | | | | | | | | | | | The only flag that needs to be set when ath_tx_rc_status is called with rc_update == false is the IEEE80211_TX_STAT_TX_FILTERED flag. All other data is ignored in that case. This flag can be set from ath_tx_complete_buf instead, so that we can drop a few redundant calls to ath_tx_rc_status and remove the rc_update function parameter Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * ath9k: remove a redundant check in ath_tx_form_aggrFelix Fietkau2011-09-16
| | | | | | | | | | | | | | ath_lookup_legacy now checks all the tx rate flags for MCS vs legacy Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * ath9k: optimize ath9k_ps_restoreFelix Fietkau2011-09-16
| | | | | | | | | | | | | | | | | | ath_hw_cycle_counters_update only needs to be called if the power state changes. Most of the time this does not happen, even when ps_usecount goes down to 0. Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * ath9k_hw: remove the old tx descriptor APIFelix Fietkau2011-09-16
| | | | | | | | | | Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * ath9k: use the new API for setting tx descriptorsFelix Fietkau2011-09-16
| | | | | | | | | | | | | | | | | | | | With the new API, tx descriptors can be written in one single pass instead of having to re-read and rewrite fields from multiple places. This makes the code easier to read and also slightly improves performance on embedded MIPS hardware. Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * ath9k_hw: add a new API for setting tx descriptorsFelix Fietkau2011-09-16
| | | | | | | | | | | | | | | | | | | | Instead of using lots of different functions with long argument lists, pull all the necessary information from one struct. This makes the code easier to read and eliminates the need for copying data between multiple linked descriptors. Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * ath9k_hw: do not recalculate the descriptor checksum in ar9003_hw_fill_txdescFelix Fietkau2011-09-16
| | | | | | | | | | | | | | Reduces the number of accesses to uncached descriptor memory. Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * ath9k: call ath9k_hw_set_desc_link for beacon descriptorsFelix Fietkau2011-09-16
| | | | | | | | | | | | | | | | This ensures that only ath9k_hw_set_desc_link needs to recalculate the tx descriptor checksum on AR9380+ Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * ath9k: move ath_buf_set_rate to remove a forward declarationFelix Fietkau2011-09-16
| | | | | | | | | | Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * ath9k: reduce the number of functions that access the tx descriptorFelix Fietkau2011-09-16
| | | | | | | | | | | | | | Makes it easier to clean up the ath9k_hw descriptor API Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * ath9k: remove ATH_TX_XRETRY and BUF_XRETRY flagsFelix Fietkau2011-09-16
| | | | | | | | | | Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * ath9k: ensure that rx is not enabled during a resetFelix Fietkau2011-09-16
| | | | | | | | | | | | | | | | | | During a reset, rx buffers are flushed after rx has been disabled. To avoid race conditions, rx needs to stay disabled during the reset, so avoid any calls to ath9k_hw_rxena in that case. Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * ath9k: make beacon timer initialization more reliableFelix Fietkau2011-09-16
| | | | | | | | | | | | | | | | | | When starting the AP beacon timer, it assumes that the TSF has recently been cleared. Set the SC_OP_TSF_RESET flag to ensure that this is always the case. Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * ath9k: fix enabling interrupts after a hardware error interruptFelix Fietkau2011-09-16
| | | | | | | | | | | | | | | | The interrupt handler increases the interrupt disable refcount, so the tasklet needs to always call ath9k_hw_enable_interrupts. Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * ath9k: Fix PS wrappers and enabling LEDMohammed Shafi Shajakhan2011-09-16
| | | | | | | | | | | | | | | | in ath_pci_resume it seems we are not enabling LED properly, in addition we have a PS wrapper fix for this Signed-off-by: Mohammed Shafi Shajakhan <mohammed@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * ath9k: enable LED pin for AR946/8x chipsetsMohammed Shafi Shajakhan2011-09-16
| | | | | | | | | | | | | | | | now the LED starts working for AR946/8x chipsets Cc: "Balasubramanian, senthilkumar" <senthilb@qca.qualcomm.com> Signed-off-by: Mohammed Shafi Shajakhan <mohammed@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * ath9k_hw: Do full chip reset on 11A channels for AR9003Rajkumar Manoharan2011-09-16
| | | | | | | | | | | | | | | | | | | | AR9003 seems to have issues sometimes with fast channel change in 5GHz and this case is handled specifically for AR9280 by doing a full reset. Let's do a full reset for 5GHz channles of AR9380 & for all channels of AR9280 pci chips. Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * ath9k_hw: move register definitions to header filesSenthil Balasubramanian2011-09-16
| | | | | | | | | | | | | | | | | | Move the register macros to appropriate header files to be in sync with other register definitions and also a single place to refer everything. Signed-off-by: Senthil Balasubramanian <senthilb@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * ath9k_hw: Add support for AR946/8x chipsets.Senthil Balasubramanian2011-09-16
| | | | | | | | | | | | | | This patch adds support for AR946/8x chipets. Signed-off-by: Senthil Balasubramanian <senthilb@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * ath9k_hw: Split tx/rx gain table initval handlingSenthil Balasubramanian2011-09-16
| | | | | | | | | | | | | | | | Split tx/rx gain table initval hanlding part so readability is better and easy to manage the code. Signed-off-by: Senthil Balasubramanian <senthilb@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * ath9k_hw: Add initvals and register definitions for AR946/8x chipsets.Senthil Balasubramanian2011-09-16
| | | | | | | | | | | | | | Add initvals and register modifications required to support AR946/8x chipsets. Signed-off-by: Senthil Balasubramanian <senthilb@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * Merge branch 'for-linville' of git://github.com/lucacoelho/wl12xxJohn W. Linville2011-09-16
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| | * Merge branch 'wl12xx-next' into for-linvilleLuciano Coelho2011-09-14
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| | | * wl12xx: use SCAN_SSID_TYPE_PUBLIC when using the wildcard in sched_scanLuciano Coelho2011-08-25
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When we are scanning for the wildcard SSID in a scheduled scan, we should use SCAN_SSID_TYPE_PUBLIC so that we don't filter out the scan results. Signed-off-by: Luciano Coelho <coelho@ti.com>
| | | * wl12xx: add support for multiple SSIDs in sched_scanLuciano Coelho2011-08-25
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The wl12xx firmwares support multiple SSIDs in a single sched_scan run. This patch implements support for it. We use three different types os sched_scan: FILTER_ANY (ie. not filtering, only wildcard SSID in the probe_reqs); FILTER_LIST (ie. send out probe_reqs with the specified SSIDs and only report if they are found); and FILTER_DISABLED (ie. send out probe_reqs with the specified SSIDs, but report anything found). Since we still don't have proper filter support in nl80211/cfg80211 yet, we cannot use filters when the wildcard SSID is used. Thus, we will not filter anything if the wildcard SSID is specified. Signed-off-by: Luciano Coelho <coelho@ti.com>
| | | * wl12xx: enter psm only after station role was startedEliad Peller2011-08-25
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The station didn't get into psm after recovery, because psm was configured before sta role was started. Move wl1271_ps_set_mode() to be executed only after the role was started. Signed-off-by: Eliad Peller <eliad@wizery.com> Signed-off-by: Luciano Coelho <coelho@ti.com>
| | | * wl12xx: increase psm_entry_retriesEliad Peller2011-08-25
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In congested env, sometimes 5 psm entry retries are not enough. Increase the retries count to 8. Signed-off-by: Eliad Peller <eliad@wizery.com> Signed-off-by: Luciano Coelho <coelho@ti.com>
| | | * wl12xx: initialize rate_set on band rates initializationEliad Peller2011-08-25
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In some corner cases, (invalid) 11g rates were used while working on 11a band. Take care of it by initializing rate_set according to the configured band. Signed-off-by: Eliad Peller <eliad@wizery.com> Signed-off-by: Luciano Coelho <coelho@ti.com>
| | | * wl12xx: allow 11a AP-mode for wl127x devicesArik Nemtsov2011-08-25
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | There was a check preventing 127x devices from using the 11a band when operating as AP. Since we now support this functionality, remove the check. With this patch, a 11a AP starts ok on 127x cards. Signed-off-by: Arik Nemtsov <arik@wizery.com> Signed-off-by: Eliad Peller <eliad@wizery.com> Signed-off-by: Luciano Coelho <coelho@ti.com>
| | | * wl12xx: use 2 spare TX blocks for GEM cipherGuy Eilam2011-08-25
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add tx_spare_blocks member to the wl1271 struct for more generic configuration of the amount of spare TX blocks that should be used. The default value is 1. In case GEM cipher is used by the STA, we need 2 spare TX blocks instead of just 1. Signed-off-by: Guy Eilam <guy@wizery.com> Acked-by: Arik Nemtsov <arik@wizery.com> Signed-off-by: Luciano Coelho <coelho@ti.com>
| * | | libertas: prioritize usb8388_olpc.bin firmware on OLPC machinesAndres Salomon2011-09-14
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Normally, the v9 firmware will be loaded if it's available. However, on OLPC XO-1 machines, the olpc-specific firmware supports extra functionality. This makes the libertas driver attempt to load the custom firmware first if the machine is an OLPC machine; if that fails (or it's not an OLPC machine), fall back to attempting to load the other firmwares. usb8388_olpc.bin is currently found in the linux-firmware repository. Signed-off-by: Andres Salomon <dilinger@queued.net> Acked-by: Dan Williams <dcbw@redhat.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * | | rt2x00: Use the available helper functions to initialize the WCID tableHelmut Schaa2011-09-14
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Use rt2800_config_wcid and rt2800_delete_wcid_attr to initialize the WCID table instead of writing to the registers directly. Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com> Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * | | rt2x00: Forbid aggregation for STAs not programmed into the hwHelmut Schaa2011-09-14
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | If a STA is not known by the hw (i.e. has no WCID assigned) don't allow aggregation since this might mess up tx status reports and we won't be able to distinguish the reports of multiple WCID-less STAs. Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com> Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * | | rt2x00: Make use of sta_add/remove callbacks in rt2800Helmut Schaa2011-09-14
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This allows us to assign a WCID to each STA even for STAs without crypto key. To achieve this search for an unused WCID in the HW WCID table and assign it to the according STA. When configuring a pairwise key for this STA we don't need to write the MAC address and BSSIDX anymore but just update the crypto related fields in the WCID_ATTR table. This has two advantages: 1) Setting a new key for an already available STA (PTK rekeying) is slightly less expensive and should improve performance in situations where a lot of rekeying happens (e.g. a huge number of stations and/or a small rekeying interval) 2) The TXWI now gets a WCID assigned for unencrypted frames which will be reflected in the corresponding tx status report. This should make tx status reports in unencrypted AP mode more reliable as we can distinguish between multiple key-less STAs. Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com> Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * | | rt2x00: Add WCID to HT TX descriptorHelmut Schaa2011-09-14
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When sending an unencrypted frame to a STA the driver might want to pass a suitable WCID since we don't have a key index to allow tx status reports to get properly assigned to the correct STA. Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com> Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * | | rt2x00: Add WCID to crypto structHelmut Schaa2011-09-14
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When a WCID was already assigned to a STA the key configuration functions need to use the same WCID for configuring the keys. Hence, add the WCID to the crypo configuration structure. Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com> Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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