From 5dc3b7b9eb7efbd0dd57cef50ed29c2a709bf51b Mon Sep 17 00:00:00 2001 From: Felix Fietkau Date: Fri, 15 Jan 2016 16:00:30 +0100 Subject: [PATCH 01/11] brcmfmac: add missing include linux/module.h is required for defining module parameters Signed-off-by: Felix Fietkau Signed-off-by: Kalle Valo --- drivers/net/wireless/broadcom/brcm80211/brcmfmac/common.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/common.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/common.c index 4265b50faa981..cfee477a6eb1f 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/common.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/common.c @@ -17,6 +17,7 @@ #include #include #include +#include #include #include #include "core.h" From e7828b28a5de056a29c60fb4e5e4799f5e667427 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Michael=20B=C3=BCsch?= Date: Mon, 18 Jan 2016 17:53:03 +0100 Subject: [PATCH 02/11] ssb: Set linux-wireless as MAINTAINERS list ssb patches go through the linux-wireless tree. Set the list to linux-wireless, so linux-wireless patchwork can catch the patches. Signed-off-by: Michael Buesch Signed-off-by: Kalle Valo --- MAINTAINERS | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/MAINTAINERS b/MAINTAINERS index 95eafcc2bc850..a26b9fefa83d0 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -10036,7 +10036,7 @@ F: drivers/net/ethernet/natsemi/sonic.* SONICS SILICON BACKPLANE DRIVER (SSB) M: Michael Buesch -L: netdev@vger.kernel.org +L: linux-wireless@vger.kernel.org S: Maintained F: drivers/ssb/ F: include/linux/ssb/ From b7e2d195cc523bd92ed7a64aac089421dbab2a2d Mon Sep 17 00:00:00 2001 From: Arnd Bergmann Date: Mon, 18 Jan 2016 20:39:56 +0100 Subject: [PATCH 03/11] ssb: mark ssb_bus_register as __maybe_unused The SoC variant of the ssb code is now optional like the other ones, which means we can build the framwork without any front-end, but that results in a warning: drivers/ssb/main.c:616:12: warning: 'ssb_bus_register' defined but not used [-Wunused-function] This annotates the ssb_bus_register function as __maybe_unused to shut up the warning. A configuration like this will not work on any hardware of course, but we still want this to silently build without warnings if the configuration is allowed in the first place. Signed-off-by: Arnd Bergmann Fixes: 845da6e58e19 ("ssb: add Kconfig entry for compiling SoC related code") Acked-by: Michael Buesch Signed-off-by: Kalle Valo --- drivers/ssb/main.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/drivers/ssb/main.c b/drivers/ssb/main.c index cde5ff7529eb2..d1a750760cf30 100644 --- a/drivers/ssb/main.c +++ b/drivers/ssb/main.c @@ -613,9 +613,10 @@ static int ssb_fetch_invariants(struct ssb_bus *bus, return err; } -static int ssb_bus_register(struct ssb_bus *bus, - ssb_invariants_func_t get_invariants, - unsigned long baseaddr) +static int __maybe_unused +ssb_bus_register(struct ssb_bus *bus, + ssb_invariants_func_t get_invariants, + unsigned long baseaddr) { int err; From e0045bf80f62779ba75ba04513020d60e59f5298 Mon Sep 17 00:00:00 2001 From: Hante Meuleman Date: Tue, 19 Jan 2016 12:39:24 +0100 Subject: [PATCH 04/11] brcmfmac: fix sdio sg table alloc crash With commit 7d34b0560567 ("brcmfmac: Move all module parameters to one place") a bug was introduced causing a null pointer exception. This patch fixes the bug by initializing the sg table till after the settings have been initialized. Fixes: 7d34b0560567 ("brcmfmac: Move all module parameters to one place") Reported-by: Marc Zyngier Tested-by: Marc Zyngier Reviewed-by: Arend Van Spriel Reviewed-by: Franky (Zhenhui) Lin Reviewed-by: Pieter-Paul Giesberts Signed-off-by: Hante Meuleman Signed-off-by: Arend van Spriel Signed-off-by: Kalle Valo --- .../broadcom/brcm80211/brcmfmac/bcmsdh.c | 40 +++++++------------ .../broadcom/brcm80211/brcmfmac/sdio.c | 5 +++ .../broadcom/brcm80211/brcmfmac/sdio.h | 1 + 3 files changed, 21 insertions(+), 25 deletions(-) diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c index 53637399bb99d..b98db8a0a069b 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c @@ -879,11 +879,24 @@ int brcmf_sdiod_abort(struct brcmf_sdio_dev *sdiodev, uint fn) return 0; } -static void brcmf_sdiod_sgtable_alloc(struct brcmf_sdio_dev *sdiodev) +void brcmf_sdiod_sgtable_alloc(struct brcmf_sdio_dev *sdiodev) { + struct sdio_func *func; + struct mmc_host *host; + uint max_blocks; uint nents; int err; + func = sdiodev->func[2]; + host = func->card->host; + sdiodev->sg_support = host->max_segs > 1; + max_blocks = min_t(uint, host->max_blk_count, 511u); + sdiodev->max_request_size = min_t(uint, host->max_req_size, + max_blocks * func->cur_blksize); + sdiodev->max_segment_count = min_t(uint, host->max_segs, + SG_MAX_SINGLE_ALLOC); + sdiodev->max_segment_size = host->max_seg_size; + if (!sdiodev->sg_support) return; @@ -1021,9 +1034,6 @@ static void brcmf_sdiod_host_fixup(struct mmc_host *host) static int brcmf_sdiod_probe(struct brcmf_sdio_dev *sdiodev) { - struct sdio_func *func; - struct mmc_host *host; - uint max_blocks; int ret = 0; sdiodev->num_funcs = 2; @@ -1054,26 +1064,6 @@ static int brcmf_sdiod_probe(struct brcmf_sdio_dev *sdiodev) goto out; } - /* - * determine host related variables after brcmf_sdiod_probe() - * as func->cur_blksize is properly set and F2 init has been - * completed successfully. - */ - func = sdiodev->func[2]; - host = func->card->host; - sdiodev->sg_support = host->max_segs > 1; - max_blocks = min_t(uint, host->max_blk_count, 511u); - sdiodev->max_request_size = min_t(uint, host->max_req_size, - max_blocks * func->cur_blksize); - sdiodev->max_segment_count = min_t(uint, host->max_segs, - SG_MAX_SINGLE_ALLOC); - sdiodev->max_segment_size = host->max_seg_size; - - /* allocate scatter-gather table. sg support - * will be disabled upon allocation failure. - */ - brcmf_sdiod_sgtable_alloc(sdiodev); - ret = brcmf_sdiod_freezer_attach(sdiodev); if (ret) goto out; @@ -1084,7 +1074,7 @@ static int brcmf_sdiod_probe(struct brcmf_sdio_dev *sdiodev) ret = -ENODEV; goto out; } - brcmf_sdiod_host_fixup(host); + brcmf_sdiod_host_fixup(sdiodev->func[2]->card->host); out: if (ret) brcmf_sdiod_remove(sdiodev); diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c index dd6614332836a..a14d9d9da0942 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c @@ -4114,6 +4114,11 @@ struct brcmf_sdio *brcmf_sdio_probe(struct brcmf_sdio_dev *sdiodev) goto fail; } + /* allocate scatter-gather table. sg support + * will be disabled upon allocation failure. + */ + brcmf_sdiod_sgtable_alloc(bus->sdiodev); + /* Query the F2 block size, set roundup accordingly */ bus->blocksize = bus->sdiodev->func[2]->cur_blksize; bus->roundup = min(max_roundup, bus->blocksize); diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.h b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.h index 5ec7a6d876723..23f223150cef2 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.h +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.h @@ -342,6 +342,7 @@ int brcmf_sdiod_ramrw(struct brcmf_sdio_dev *sdiodev, bool write, u32 address, /* Issue an abort to the specified function */ int brcmf_sdiod_abort(struct brcmf_sdio_dev *sdiodev, uint fn); +void brcmf_sdiod_sgtable_alloc(struct brcmf_sdio_dev *sdiodev); void brcmf_sdiod_change_state(struct brcmf_sdio_dev *sdiodev, enum brcmf_sdiod_state state); #ifdef CONFIG_PM_SLEEP From 7b08c67fa5ae66c2d07fd506de57de67b7a7e5d6 Mon Sep 17 00:00:00 2001 From: Oren Givon Date: Thu, 21 Jan 2016 11:18:34 +0200 Subject: [PATCH 05/11] iwlwifi: add new 3168 series devices support Add new sub-system PCI IDs to the 3168 series. Added 0x2010, 0x2050 and 0x2150 sub-system IDs. Signed-off-by: Oren Givon Signed-off-by: Emmanuel Grumbach --- drivers/net/wireless/intel/iwlwifi/pcie/drv.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/drv.c b/drivers/net/wireless/intel/iwlwifi/pcie/drv.c index 6261a68cae907..944e88ab13a80 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/drv.c +++ b/drivers/net/wireless/intel/iwlwifi/pcie/drv.c @@ -378,7 +378,10 @@ static const struct pci_device_id iwl_hw_card_ids[] = { {IWL_PCI_DEVICE(0x3165, 0x8110, iwl3165_2ac_cfg)}, /* 3168 Series */ + {IWL_PCI_DEVICE(0x24FB, 0x2010, iwl3168_2ac_cfg)}, {IWL_PCI_DEVICE(0x24FB, 0x2110, iwl3168_2ac_cfg)}, + {IWL_PCI_DEVICE(0x24FB, 0x2050, iwl3168_2ac_cfg)}, + {IWL_PCI_DEVICE(0x24FB, 0x2150, iwl3168_2ac_cfg)}, {IWL_PCI_DEVICE(0x24FB, 0x0000, iwl3168_2ac_cfg)}, /* 7265 Series */ From 9baa03982b06a62ac817b4983f2da7ca66d4f331 Mon Sep 17 00:00:00 2001 From: Oren Givon Date: Thu, 21 Jan 2016 11:11:11 +0200 Subject: [PATCH 06/11] iwlwifi: add device ID for 8265 Signed-off-by: Oren Givon Signed-off-by: Emmanuel Grumbach --- drivers/net/wireless/intel/iwlwifi/pcie/drv.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/drv.c b/drivers/net/wireless/intel/iwlwifi/pcie/drv.c index 944e88ab13a80..00335ea6b3eb5 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/drv.c +++ b/drivers/net/wireless/intel/iwlwifi/pcie/drv.c @@ -478,6 +478,7 @@ static const struct pci_device_id iwl_hw_card_ids[] = { {IWL_PCI_DEVICE(0x24F3, 0x0000, iwl8265_2ac_cfg)}, {IWL_PCI_DEVICE(0x24FD, 0x0010, iwl8265_2ac_cfg)}, {IWL_PCI_DEVICE(0x24FD, 0x8010, iwl8265_2ac_cfg)}, + {IWL_PCI_DEVICE(0x24FD, 0x0810, iwl8265_2ac_cfg)}, /* 9000 Series */ {IWL_PCI_DEVICE(0x9DF0, 0x2A10, iwl5165_2ac_cfg)}, From 262c741e0825b29447a9e53b6582afd6b14c3706 Mon Sep 17 00:00:00 2001 From: Eli Cooper Date: Mon, 18 Jan 2016 19:30:19 +0800 Subject: [PATCH 07/11] rt2x00: fix monitor mode regression Since commit df1404650ccb ("mac80211: remove support for IFF_PROMISC") monitor mode for rt2x00 has been made effectively useless because the hardware filter is configured to drop packets whose intended recipient is not the device, regardless of the presence of monitor mode interfaces. This patch fixes this regression by adding explicit monitor mode support, and by configuring the hardware filter accordingly. Signed-off-by: Eli Cooper Acked-by: Stanislaw Gruszka Signed-off-by: Kalle Valo --- drivers/net/wireless/ralink/rt2x00/rt2400pci.c | 4 +++- drivers/net/wireless/ralink/rt2x00/rt2500pci.c | 4 +++- drivers/net/wireless/ralink/rt2x00/rt2500usb.c | 4 +++- drivers/net/wireless/ralink/rt2x00/rt2800lib.c | 3 ++- drivers/net/wireless/ralink/rt2x00/rt2x00.h | 1 + drivers/net/wireless/ralink/rt2x00/rt2x00config.c | 5 +++++ drivers/net/wireless/ralink/rt2x00/rt2x00mac.c | 5 ----- drivers/net/wireless/ralink/rt2x00/rt61pci.c | 4 +++- drivers/net/wireless/ralink/rt2x00/rt73usb.c | 4 +++- 9 files changed, 23 insertions(+), 11 deletions(-) diff --git a/drivers/net/wireless/ralink/rt2x00/rt2400pci.c b/drivers/net/wireless/ralink/rt2x00/rt2400pci.c index 9a3966cd6fbed..155f343981fe2 100644 --- a/drivers/net/wireless/ralink/rt2x00/rt2400pci.c +++ b/drivers/net/wireless/ralink/rt2x00/rt2400pci.c @@ -273,8 +273,10 @@ static void rt2400pci_config_filter(struct rt2x00_dev *rt2x00dev, !(filter_flags & FIF_PLCPFAIL)); rt2x00_set_field32(®, RXCSR0_DROP_CONTROL, !(filter_flags & FIF_CONTROL)); - rt2x00_set_field32(®, RXCSR0_DROP_NOT_TO_ME, 1); + rt2x00_set_field32(®, RXCSR0_DROP_NOT_TO_ME, + !test_bit(CONFIG_MONITORING, &rt2x00dev->flags)); rt2x00_set_field32(®, RXCSR0_DROP_TODS, + !test_bit(CONFIG_MONITORING, &rt2x00dev->flags) && !rt2x00dev->intf_ap_count); rt2x00_set_field32(®, RXCSR0_DROP_VERSION_ERROR, 1); rt2x00mmio_register_write(rt2x00dev, RXCSR0, reg); diff --git a/drivers/net/wireless/ralink/rt2x00/rt2500pci.c b/drivers/net/wireless/ralink/rt2x00/rt2500pci.c index 1a6740b4d3962..2553cdd740662 100644 --- a/drivers/net/wireless/ralink/rt2x00/rt2500pci.c +++ b/drivers/net/wireless/ralink/rt2x00/rt2500pci.c @@ -274,8 +274,10 @@ static void rt2500pci_config_filter(struct rt2x00_dev *rt2x00dev, !(filter_flags & FIF_PLCPFAIL)); rt2x00_set_field32(®, RXCSR0_DROP_CONTROL, !(filter_flags & FIF_CONTROL)); - rt2x00_set_field32(®, RXCSR0_DROP_NOT_TO_ME, 1); + rt2x00_set_field32(®, RXCSR0_DROP_NOT_TO_ME, + !test_bit(CONFIG_MONITORING, &rt2x00dev->flags)); rt2x00_set_field32(®, RXCSR0_DROP_TODS, + !test_bit(CONFIG_MONITORING, &rt2x00dev->flags) && !rt2x00dev->intf_ap_count); rt2x00_set_field32(®, RXCSR0_DROP_VERSION_ERROR, 1); rt2x00_set_field32(®, RXCSR0_DROP_MCAST, diff --git a/drivers/net/wireless/ralink/rt2x00/rt2500usb.c b/drivers/net/wireless/ralink/rt2x00/rt2500usb.c index d26018f30b7df..2d64611de3001 100644 --- a/drivers/net/wireless/ralink/rt2x00/rt2500usb.c +++ b/drivers/net/wireless/ralink/rt2x00/rt2500usb.c @@ -437,8 +437,10 @@ static void rt2500usb_config_filter(struct rt2x00_dev *rt2x00dev, !(filter_flags & FIF_PLCPFAIL)); rt2x00_set_field16(®, TXRX_CSR2_DROP_CONTROL, !(filter_flags & FIF_CONTROL)); - rt2x00_set_field16(®, TXRX_CSR2_DROP_NOT_TO_ME, 1); + rt2x00_set_field16(®, TXRX_CSR2_DROP_NOT_TO_ME, + !test_bit(CONFIG_MONITORING, &rt2x00dev->flags)); rt2x00_set_field16(®, TXRX_CSR2_DROP_TODS, + !test_bit(CONFIG_MONITORING, &rt2x00dev->flags) && !rt2x00dev->intf_ap_count); rt2x00_set_field16(®, TXRX_CSR2_DROP_VERSION_ERROR, 1); rt2x00_set_field16(®, TXRX_CSR2_DROP_MULTICAST, diff --git a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c index 9733b31a780d3..a26afcab03ed0 100644 --- a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c +++ b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c @@ -1490,7 +1490,8 @@ void rt2800_config_filter(struct rt2x00_dev *rt2x00dev, !(filter_flags & FIF_FCSFAIL)); rt2x00_set_field32(®, RX_FILTER_CFG_DROP_PHY_ERROR, !(filter_flags & FIF_PLCPFAIL)); - rt2x00_set_field32(®, RX_FILTER_CFG_DROP_NOT_TO_ME, 1); + rt2x00_set_field32(®, RX_FILTER_CFG_DROP_NOT_TO_ME, + !test_bit(CONFIG_MONITORING, &rt2x00dev->flags)); rt2x00_set_field32(®, RX_FILTER_CFG_DROP_NOT_MY_BSSD, 0); rt2x00_set_field32(®, RX_FILTER_CFG_DROP_VER_ERROR, 1); rt2x00_set_field32(®, RX_FILTER_CFG_DROP_MULTICAST, diff --git a/drivers/net/wireless/ralink/rt2x00/rt2x00.h b/drivers/net/wireless/ralink/rt2x00/rt2x00.h index 3282ddb766f42..26427140a963b 100644 --- a/drivers/net/wireless/ralink/rt2x00/rt2x00.h +++ b/drivers/net/wireless/ralink/rt2x00/rt2x00.h @@ -669,6 +669,7 @@ enum rt2x00_state_flags { CONFIG_POWERSAVING, CONFIG_HT_DISABLED, CONFIG_QOS_DISABLED, + CONFIG_MONITORING, /* * Mark we currently are sequentially reading TX_STA_FIFO register diff --git a/drivers/net/wireless/ralink/rt2x00/rt2x00config.c b/drivers/net/wireless/ralink/rt2x00/rt2x00config.c index 7e8bb1198ae9f..6a1f508d472f0 100644 --- a/drivers/net/wireless/ralink/rt2x00/rt2x00config.c +++ b/drivers/net/wireless/ralink/rt2x00/rt2x00config.c @@ -277,6 +277,11 @@ void rt2x00lib_config(struct rt2x00_dev *rt2x00dev, else clear_bit(CONFIG_POWERSAVING, &rt2x00dev->flags); + if (conf->flags & IEEE80211_CONF_MONITOR) + set_bit(CONFIG_MONITORING, &rt2x00dev->flags); + else + clear_bit(CONFIG_MONITORING, &rt2x00dev->flags); + rt2x00dev->curr_band = conf->chandef.chan->band; rt2x00dev->curr_freq = conf->chandef.chan->center_freq; rt2x00dev->tx_power = conf->power_level; diff --git a/drivers/net/wireless/ralink/rt2x00/rt2x00mac.c b/drivers/net/wireless/ralink/rt2x00/rt2x00mac.c index 3c26ee65a4151..13da95a24cf77 100644 --- a/drivers/net/wireless/ralink/rt2x00/rt2x00mac.c +++ b/drivers/net/wireless/ralink/rt2x00/rt2x00mac.c @@ -385,11 +385,6 @@ void rt2x00mac_configure_filter(struct ieee80211_hw *hw, *total_flags |= FIF_PSPOLL; } - /* - * Check if there is any work left for us. - */ - if (rt2x00dev->packet_filter == *total_flags) - return; rt2x00dev->packet_filter = *total_flags; rt2x00dev->ops->lib->config_filter(rt2x00dev, *total_flags); diff --git a/drivers/net/wireless/ralink/rt2x00/rt61pci.c b/drivers/net/wireless/ralink/rt2x00/rt61pci.c index c0e730ea1b690..24a3436ef9528 100644 --- a/drivers/net/wireless/ralink/rt2x00/rt61pci.c +++ b/drivers/net/wireless/ralink/rt2x00/rt61pci.c @@ -530,8 +530,10 @@ static void rt61pci_config_filter(struct rt2x00_dev *rt2x00dev, !(filter_flags & FIF_PLCPFAIL)); rt2x00_set_field32(®, TXRX_CSR0_DROP_CONTROL, !(filter_flags & (FIF_CONTROL | FIF_PSPOLL))); - rt2x00_set_field32(®, TXRX_CSR0_DROP_NOT_TO_ME, 1); + rt2x00_set_field32(®, TXRX_CSR0_DROP_NOT_TO_ME, + !test_bit(CONFIG_MONITORING, &rt2x00dev->flags)); rt2x00_set_field32(®, TXRX_CSR0_DROP_TO_DS, + !test_bit(CONFIG_MONITORING, &rt2x00dev->flags) && !rt2x00dev->intf_ap_count); rt2x00_set_field32(®, TXRX_CSR0_DROP_VERSION_ERROR, 1); rt2x00_set_field32(®, TXRX_CSR0_DROP_MULTICAST, diff --git a/drivers/net/wireless/ralink/rt2x00/rt73usb.c b/drivers/net/wireless/ralink/rt2x00/rt73usb.c index 7081e13b4fd67..7bbc869311681 100644 --- a/drivers/net/wireless/ralink/rt2x00/rt73usb.c +++ b/drivers/net/wireless/ralink/rt2x00/rt73usb.c @@ -480,8 +480,10 @@ static void rt73usb_config_filter(struct rt2x00_dev *rt2x00dev, !(filter_flags & FIF_PLCPFAIL)); rt2x00_set_field32(®, TXRX_CSR0_DROP_CONTROL, !(filter_flags & (FIF_CONTROL | FIF_PSPOLL))); - rt2x00_set_field32(®, TXRX_CSR0_DROP_NOT_TO_ME, 1); + rt2x00_set_field32(®, TXRX_CSR0_DROP_NOT_TO_ME, + !test_bit(CONFIG_MONITORING, &rt2x00dev->flags)); rt2x00_set_field32(®, TXRX_CSR0_DROP_TO_DS, + !test_bit(CONFIG_MONITORING, &rt2x00dev->flags) && !rt2x00dev->intf_ap_count); rt2x00_set_field32(®, TXRX_CSR0_DROP_VERSION_ERROR, 1); rt2x00_set_field32(®, TXRX_CSR0_DROP_MULTICAST, From c72fc9093718a3f8597249863a1bac345ba00859 Mon Sep 17 00:00:00 2001 From: Larry Finger Date: Wed, 20 Jan 2016 21:58:39 -0600 Subject: [PATCH 08/11] rtlwifi: rtl8821ae: Fix 5G failure when EEPROM is incorrectly encoded Recently, it has been reported that D-Link DWA-582 cards, which use an RTL8812AE chip are not able to scan for 5G networks. The problems started with kernel 4.2, which is the first version that had commit d10101a60372 ("rtlwifi: rtl8821ae: Fix problem with regulatory information"). With this patch, the driver went from setting a default channel plan to using the value derived from EEPROM. Bug reports at https://bugzilla.kernel.org/show_bug.cgi?id=111031 and https://bugzilla.redhat.com/show_bug.cgi?id=1279653 are examples of this problem. The problem was solved once I learned that the internal country code was resulting in a regulatory set with only 2.4 GHz channels. With the RTL8821AE chips available to me, the country code was such that both 2.4 and 5 GHz channels are allowed. The fix is to allow both bands even when the EEPROM is incorrectly encoded. Fixes: d10101a60372 ("rtlwifi: rtl8821ae: Fix problem with regulatory information") Signed-off-by: Larry Finger Cc: littlesmartguy@gmail.com Cc: gabe@codehaus.org Cc: Stable [v4.2+] Signed-off-by: Kalle Valo --- drivers/net/wireless/realtek/rtlwifi/regd.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/wireless/realtek/rtlwifi/regd.c b/drivers/net/wireless/realtek/rtlwifi/regd.c index a62bf0a65c321..5be34118e0af2 100644 --- a/drivers/net/wireless/realtek/rtlwifi/regd.c +++ b/drivers/net/wireless/realtek/rtlwifi/regd.c @@ -351,7 +351,6 @@ static const struct ieee80211_regdomain *_rtl_regdomain_select( case COUNTRY_CODE_SPAIN: case COUNTRY_CODE_FRANCE: case COUNTRY_CODE_ISRAEL: - case COUNTRY_CODE_WORLD_WIDE_13: return &rtl_regdom_12_13; case COUNTRY_CODE_MKK: case COUNTRY_CODE_MKK1: @@ -360,6 +359,7 @@ static const struct ieee80211_regdomain *_rtl_regdomain_select( return &rtl_regdom_14_60_64; case COUNTRY_CODE_GLOBAL_DOMAIN: return &rtl_regdom_14; + case COUNTRY_CODE_WORLD_WIDE_13: case COUNTRY_CODE_WORLD_WIDE_13_5G_ALL: return &rtl_regdom_12_13_5g_all; default: From 65dc1a5d1efb0ec54ffb715468070890d27d63fc Mon Sep 17 00:00:00 2001 From: Felix Fietkau Date: Thu, 21 Jan 2016 16:34:08 +0100 Subject: [PATCH 09/11] ath9k_hw: ignore eeprom magic mismatch on flash based devices Many AR913x based devices (maybe others too) do not have a valid EEPROM magic in their calibration data partition. Fixes: 6fa658fd5ab2 ("ath9k: Simplify and fix eeprom endianness swapping") Signed-off-by: Felix Fietkau Acked-by: Martin Blumenstingl Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath9k/eeprom.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/drivers/net/wireless/ath/ath9k/eeprom.c b/drivers/net/wireless/ath/ath9k/eeprom.c index a7afdeee698c6..73fb4232f9f28 100644 --- a/drivers/net/wireless/ath/ath9k/eeprom.c +++ b/drivers/net/wireless/ath/ath9k/eeprom.c @@ -150,18 +150,18 @@ int ath9k_hw_nvram_swap_data(struct ath_hw *ah, bool *swap_needed, int size) return -EIO; } - if (magic == AR5416_EEPROM_MAGIC) { - *swap_needed = false; - } else if (swab16(magic) == AR5416_EEPROM_MAGIC) { + *swap_needed = false; + if (swab16(magic) == AR5416_EEPROM_MAGIC) { if (ah->ah_flags & AH_NO_EEP_SWAP) { ath_info(common, "Ignoring endianness difference in EEPROM magic bytes.\n"); - - *swap_needed = false; } else { *swap_needed = true; } - } else { + } else if (magic != AR5416_EEPROM_MAGIC) { + if (ath9k_hw_use_flash(ah)) + return 0; + ath_err(common, "Invalid EEPROM Magic (0x%04x).\n", magic); return -EINVAL; From ca296c571f6929e42dc0ac0bb5c81cdb5323362d Mon Sep 17 00:00:00 2001 From: Oren Givon Date: Thu, 14 Jan 2016 10:24:10 +0200 Subject: [PATCH 10/11] iwlwifi: update support for 3168 series firmware and NVM Update the struct which defines the support for 3168 cards. Now it will search for a firmware of this format: iwlwifi-3168-XX.ucode Also, set the minimum version of the ucode to 20. Update the minimum NVM version and minimum NVM calibrations version of the 3168 series. Signed-off-by: Oren Givon Signed-off-by: Emmanuel Grumbach --- drivers/net/wireless/intel/iwlwifi/iwl-7000.c | 23 +++++++++++++++---- 1 file changed, 19 insertions(+), 4 deletions(-) diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-7000.c b/drivers/net/wireless/intel/iwlwifi/iwl-7000.c index e60cf141ed796..fa41a5e1c8902 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-7000.c +++ b/drivers/net/wireless/intel/iwlwifi/iwl-7000.c @@ -74,16 +74,19 @@ #define IWL7260_UCODE_API_MAX 17 #define IWL7265_UCODE_API_MAX 17 #define IWL7265D_UCODE_API_MAX 20 +#define IWL3168_UCODE_API_MAX 20 /* Oldest version we won't warn about */ #define IWL7260_UCODE_API_OK 13 #define IWL7265_UCODE_API_OK 13 #define IWL7265D_UCODE_API_OK 13 +#define IWL3168_UCODE_API_OK 20 /* Lowest firmware API version supported */ #define IWL7260_UCODE_API_MIN 13 #define IWL7265_UCODE_API_MIN 13 #define IWL7265D_UCODE_API_MIN 13 +#define IWL3168_UCODE_API_MIN 20 /* NVM versions */ #define IWL7260_NVM_VERSION 0x0a1d @@ -92,6 +95,8 @@ #define IWL3160_TX_POWER_VERSION 0xffff /* meaningless */ #define IWL3165_NVM_VERSION 0x709 #define IWL3165_TX_POWER_VERSION 0xffff /* meaningless */ +#define IWL3168_NVM_VERSION 0xd01 +#define IWL3168_TX_POWER_VERSION 0xffff /* meaningless */ #define IWL7265_NVM_VERSION 0x0a1d #define IWL7265_TX_POWER_VERSION 0xffff /* meaningless */ #define IWL7265D_NVM_VERSION 0x0c11 @@ -109,6 +114,9 @@ #define IWL3160_FW_PRE "iwlwifi-3160-" #define IWL3160_MODULE_FIRMWARE(api) IWL3160_FW_PRE __stringify(api) ".ucode" +#define IWL3168_FW_PRE "iwlwifi-3168-" +#define IWL3168_MODULE_FIRMWARE(api) IWL3168_FW_PRE __stringify(api) ".ucode" + #define IWL7265_FW_PRE "iwlwifi-7265-" #define IWL7265_MODULE_FIRMWARE(api) IWL7265_FW_PRE __stringify(api) ".ucode" @@ -180,6 +188,12 @@ static const struct iwl_ht_params iwl7000_ht_params = { .ucode_api_ok = IWL7265_UCODE_API_OK, \ .ucode_api_min = IWL7265_UCODE_API_MIN +#define IWL_DEVICE_3008 \ + IWL_DEVICE_7000_COMMON, \ + .ucode_api_max = IWL3168_UCODE_API_MAX, \ + .ucode_api_ok = IWL3168_UCODE_API_OK, \ + .ucode_api_min = IWL3168_UCODE_API_MIN + #define IWL_DEVICE_7005D \ IWL_DEVICE_7000_COMMON, \ .ucode_api_max = IWL7265D_UCODE_API_MAX, \ @@ -299,11 +313,11 @@ const struct iwl_cfg iwl3165_2ac_cfg = { const struct iwl_cfg iwl3168_2ac_cfg = { .name = "Intel(R) Dual Band Wireless AC 3168", - .fw_name_pre = IWL7265D_FW_PRE, - IWL_DEVICE_7000, + .fw_name_pre = IWL3168_FW_PRE, + IWL_DEVICE_3008, .ht_params = &iwl7000_ht_params, - .nvm_ver = IWL3165_NVM_VERSION, - .nvm_calib_ver = IWL3165_TX_POWER_VERSION, + .nvm_ver = IWL3168_NVM_VERSION, + .nvm_calib_ver = IWL3168_TX_POWER_VERSION, .pwr_tx_backoffs = iwl7265_pwr_tx_backoffs, .dccm_len = IWL7265_DCCM_LEN, }; @@ -376,5 +390,6 @@ const struct iwl_cfg iwl7265d_n_cfg = { MODULE_FIRMWARE(IWL7260_MODULE_FIRMWARE(IWL7260_UCODE_API_OK)); MODULE_FIRMWARE(IWL3160_MODULE_FIRMWARE(IWL7260_UCODE_API_OK)); +MODULE_FIRMWARE(IWL3168_MODULE_FIRMWARE(IWL3168_UCODE_API_OK)); MODULE_FIRMWARE(IWL7265_MODULE_FIRMWARE(IWL7265_UCODE_API_OK)); MODULE_FIRMWARE(IWL7265D_MODULE_FIRMWARE(IWL7265D_UCODE_API_OK)); From 69c7fda40921c125eeeef6a827f6270ac6aa1baa Mon Sep 17 00:00:00 2001 From: Gregory Greenman Date: Tue, 29 Dec 2015 11:26:35 +0200 Subject: [PATCH 11/11] iwlwifi: mvm: rs: fix TPC statistics handling FW behaviour changed and now updates driver about the used TPC reduction in the following cases: 1. In tx response, which is used mostly for a single frame case 2. In BA notification When tx aggregation fails with the initial rate, FW will send to the driver BA notification and will try to transmit with the next rate, but this time without tx power reduction. Thus, in case of a failure with the initial rate, driver will get two BA notifications, the first one with reduced tx power as in the LQ command and the second one with 0 power reduction. This patch adapts the TPC statistics according to the description above: 1. Use BA notifications instead of Tx response 2. For TPC only, drop the optimization which considers empty BA as one MPDU. The reason is that with TPC we want to recover very quickly from a bad power reduction and, therefore we'd like the success ratio to get an immediate hit when failing to get a BA, so we'd switch back to a lower or zero power reduction Signed-off-by: Gregory Greenman Signed-off-by: Emmanuel Grumbach --- .../wireless/intel/iwlwifi/mvm/fw-api-tx.h | 6 +- drivers/net/wireless/intel/iwlwifi/mvm/rs.c | 74 ++++++++++++------- drivers/net/wireless/intel/iwlwifi/mvm/tx.c | 5 +- 3 files changed, 56 insertions(+), 29 deletions(-) diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/fw-api-tx.h b/drivers/net/wireless/intel/iwlwifi/mvm/fw-api-tx.h index 0036d18334af4..ba3f0bbddde88 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/fw-api-tx.h +++ b/drivers/net/wireless/intel/iwlwifi/mvm/fw-api-tx.h @@ -510,6 +510,9 @@ struct iwl_mvm_tx_resp { * @scd_ssn: the index of the last contiguously sent packet * @txed: number of Txed frames in this batch * @txed_2_done: number of Acked frames in this batch + * @reduced_txp: power reduced according to TPC. This is the actual value and + * not a copy from the LQ command. Thus, if not the first rate was used + * for Tx-ing then this value will be set to 0 by FW. */ struct iwl_mvm_ba_notif { __le32 sta_addr_lo32; @@ -524,7 +527,8 @@ struct iwl_mvm_ba_notif { __le16 scd_ssn; u8 txed; u8 txed_2_done; - __le16 reserved1; + u8 reduced_txp; + u8 reserved1; } __packed; /* diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rs.c b/drivers/net/wireless/intel/iwlwifi/mvm/rs.c index 7bb6fd0e4391a..94caa88df4422 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/rs.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/rs.c @@ -2,6 +2,7 @@ * * Copyright(c) 2005 - 2014 Intel Corporation. All rights reserved. * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH + * Copyright(c) 2016 Intel Deutschland GmbH * * This program is free software; you can redistribute it and/or modify it * under the terms of version 2 of the GNU General Public License as @@ -724,14 +725,28 @@ static int _rs_collect_tx_data(struct iwl_mvm *mvm, return 0; } -static int rs_collect_tx_data(struct iwl_mvm *mvm, - struct iwl_lq_sta *lq_sta, - struct iwl_scale_tbl_info *tbl, - int scale_index, int attempts, int successes, - u8 reduced_txp) +static int rs_collect_tpc_data(struct iwl_mvm *mvm, + struct iwl_lq_sta *lq_sta, + struct iwl_scale_tbl_info *tbl, + int scale_index, int attempts, int successes, + u8 reduced_txp) +{ + struct iwl_rate_scale_data *window = NULL; + + if (WARN_ON_ONCE(reduced_txp > TPC_MAX_REDUCTION)) + return -EINVAL; + + window = &tbl->tpc_win[reduced_txp]; + return _rs_collect_tx_data(mvm, tbl, scale_index, attempts, successes, + window); +} + +static int rs_collect_tlc_data(struct iwl_mvm *mvm, + struct iwl_lq_sta *lq_sta, + struct iwl_scale_tbl_info *tbl, + int scale_index, int attempts, int successes) { struct iwl_rate_scale_data *window = NULL; - int ret; if (scale_index < 0 || scale_index >= IWL_RATE_COUNT) return -EINVAL; @@ -745,16 +760,6 @@ static int rs_collect_tx_data(struct iwl_mvm *mvm, /* Select window for current tx bit rate */ window = &(tbl->win[scale_index]); - - ret = _rs_collect_tx_data(mvm, tbl, scale_index, attempts, successes, - window); - if (ret) - return ret; - - if (WARN_ON_ONCE(reduced_txp > TPC_MAX_REDUCTION)) - return -EINVAL; - - window = &tbl->tpc_win[reduced_txp]; return _rs_collect_tx_data(mvm, tbl, scale_index, attempts, successes, window); } @@ -1301,17 +1306,30 @@ void iwl_mvm_rs_tx_status(struct iwl_mvm *mvm, struct ieee80211_sta *sta, * first index into rate scale table. */ if (info->flags & IEEE80211_TX_STAT_AMPDU) { - /* ampdu_ack_len = 0 marks no BA was received. In this case - * treat it as a single frame loss as we don't want the success - * ratio to dip too quickly because a BA wasn't received + rs_collect_tpc_data(mvm, lq_sta, curr_tbl, lq_rate.index, + info->status.ampdu_len, + info->status.ampdu_ack_len, + reduced_txp); + + /* ampdu_ack_len = 0 marks no BA was received. For TLC, treat + * it as a single frame loss as we don't want the success ratio + * to dip too quickly because a BA wasn't received. + * For TPC, there's no need for this optimisation since we want + * to recover very quickly from a bad power reduction and, + * therefore we'd like the success ratio to get an immediate hit + * when failing to get a BA, so we'd switch back to a lower or + * zero power reduction. When FW transmits agg with a rate + * different from the initial rate, it will not use reduced txp + * and will send BA notification twice (one empty with reduced + * txp equal to the value from LQ and one with reduced txp 0). + * We need to update counters for each txp level accordingly. */ if (info->status.ampdu_ack_len == 0) info->status.ampdu_len = 1; - rs_collect_tx_data(mvm, lq_sta, curr_tbl, lq_rate.index, - info->status.ampdu_len, - info->status.ampdu_ack_len, - reduced_txp); + rs_collect_tlc_data(mvm, lq_sta, curr_tbl, lq_rate.index, + info->status.ampdu_len, + info->status.ampdu_ack_len); /* Update success/fail counts if not searching for new mode */ if (lq_sta->rs_state == RS_STATE_STAY_IN_COLUMN) { @@ -1344,9 +1362,13 @@ void iwl_mvm_rs_tx_status(struct iwl_mvm *mvm, struct ieee80211_sta *sta, else continue; - rs_collect_tx_data(mvm, lq_sta, tmp_tbl, lq_rate.index, - 1, i < retries ? 0 : legacy_success, - reduced_txp); + rs_collect_tpc_data(mvm, lq_sta, tmp_tbl, + lq_rate.index, 1, + i < retries ? 0 : legacy_success, + reduced_txp); + rs_collect_tlc_data(mvm, lq_sta, tmp_tbl, + lq_rate.index, 1, + i < retries ? 0 : legacy_success); } /* Update success/fail counts if not searching for new mode */ diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/tx.c b/drivers/net/wireless/intel/iwlwifi/mvm/tx.c index 8bf48a7d0f4e9..0914ec2fd5746 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/tx.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/tx.c @@ -1029,7 +1029,6 @@ static void iwl_mvm_rx_tx_cmd_agg(struct iwl_mvm *mvm, struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); mvmsta->tid_data[tid].rate_n_flags = le32_to_cpu(tx_resp->initial_rate); - mvmsta->tid_data[tid].reduced_tpc = tx_resp->reduced_tpc; mvmsta->tid_data[tid].tx_time = le16_to_cpu(tx_resp->wireless_media_time); } @@ -1060,7 +1059,7 @@ static void iwl_mvm_tx_info_from_ba_notif(struct ieee80211_tx_info *info, /* TODO: not accounted if the whole A-MPDU failed */ info->status.tx_time = tid_data->tx_time; info->status.status_driver_data[0] = - (void *)(uintptr_t)tid_data->reduced_tpc; + (void *)(uintptr_t)ba_notif->reduced_txp; info->status.status_driver_data[1] = (void *)(uintptr_t)tid_data->rate_n_flags; } @@ -1133,6 +1132,8 @@ void iwl_mvm_rx_ba_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb) scd_flow, ba_resp_scd_ssn, ba_notif->txed, ba_notif->txed_2_done); + IWL_DEBUG_TX_REPLY(mvm, "reduced txp from ba notif %d\n", + ba_notif->reduced_txp); tid_data->next_reclaimed = ba_resp_scd_ssn; iwl_mvm_check_ratid_empty(mvm, sta, tid);