diff options
Diffstat (limited to 'package/mac80211/patches/540-b43-Add-fw-capabilities.patch')
-rw-r--r-- | package/mac80211/patches/540-b43-Add-fw-capabilities.patch | 198 |
1 files changed, 0 insertions, 198 deletions
diff --git a/package/mac80211/patches/540-b43-Add-fw-capabilities.patch b/package/mac80211/patches/540-b43-Add-fw-capabilities.patch deleted file mode 100644 index 79ff643fb0..0000000000 --- a/package/mac80211/patches/540-b43-Add-fw-capabilities.patch +++ /dev/null @@ -1,198 +0,0 @@ -Completely untested patch to implement firmware capabilities -and automagic QoS-disabling. - - ---- a/drivers/net/wireless/b43/b43.h -+++ b/drivers/net/wireless/b43/b43.h -@@ -163,6 +163,7 @@ enum { - #define B43_SHM_SH_WLCOREREV 0x0016 /* 802.11 core revision */ - #define B43_SHM_SH_PCTLWDPOS 0x0008 - #define B43_SHM_SH_RXPADOFF 0x0034 /* RX Padding data offset (PIO only) */ -+#define B43_SHM_SH_FWCAPA 0x0042 /* Firmware capabilities (Opensource firmware only) */ - #define B43_SHM_SH_PHYVER 0x0050 /* PHY version */ - #define B43_SHM_SH_PHYTYPE 0x0052 /* PHY type */ - #define B43_SHM_SH_ANTSWAP 0x005C /* Antenna swap threshold */ -@@ -297,6 +298,10 @@ enum { - #define B43_HF_MLADVW 0x001000000000ULL /* N PHY ML ADV workaround (rev >= 13 only) */ - #define B43_HF_PR45960W 0x080000000000ULL /* PR 45960 workaround (rev >= 13 only) */ - -+/* Firmware capabilities field in SHM (Opensource firmware only) */ -+#define B43_FWCAPA_HWCRYPTO 0x0001 -+#define B43_FWCAPA_QOS 0x0002 -+ - /* MacFilter offsets. */ - #define B43_MACFILTER_SELF 0x0000 - #define B43_MACFILTER_BSSID 0x0003 -@@ -596,6 +601,13 @@ struct b43_wl { - /* Pointer to the ieee80211 hardware data structure */ - struct ieee80211_hw *hw; - -+ /* The number of queues that were registered with the mac80211 subsystem -+ * initially. This is a backup copy of hw->queues in case hw->queues has -+ * to be dynamically lowered at runtime (Firmware does not support QoS). -+ * hw->queues has to be restored to the original value before unregistering -+ * from the mac80211 subsystem. */ -+ u16 mac80211_initially_registered_queues; -+ - struct mutex mutex; - spinlock_t irq_lock; - /* R/W lock for data transmission. -@@ -752,6 +764,8 @@ struct b43_wldev { - bool dfq_valid; /* Directed frame queue valid (IBSS PS mode, ATIM) */ - bool radio_hw_enable; /* saved state of radio hardware enabled state */ - bool suspend_in_progress; /* TRUE, if we are in a suspend/resume cycle */ -+ bool qos_enabled; /* TRUE, if QoS is used. */ -+ bool hwcrypto_enabled; /* TRUE, if HW crypto acceleration is enabled. */ - - /* PHY/Radio device. */ - struct b43_phy phy; ---- a/drivers/net/wireless/b43/dma.c -+++ b/drivers/net/wireless/b43/dma.c -@@ -1285,7 +1285,7 @@ static struct b43_dmaring *select_ring_b - { - struct b43_dmaring *ring; - -- if (b43_modparam_qos) { -+ if (dev->qos_enabled) { - /* 0 = highest priority */ - switch (queue_prio) { - default: ---- a/drivers/net/wireless/b43/main.c -+++ b/drivers/net/wireless/b43/main.c -@@ -80,8 +80,8 @@ static int modparam_nohwcrypt; - module_param_named(nohwcrypt, modparam_nohwcrypt, int, 0444); - MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption."); - --int b43_modparam_qos = 1; --module_param_named(qos, b43_modparam_qos, int, 0444); -+static int modparam_qos = 1; -+module_param_named(qos, modparam_qos, int, 0444); - MODULE_PARM_DESC(qos, "Enable QOS support (default on)"); - - static int modparam_btcoex = 1; -@@ -538,6 +538,13 @@ void b43_hf_write(struct b43_wldev *dev, - b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_HOSTFHI, hi); - } - -+/* Read the firmware capabilities bitmask (Opensource firmware only) */ -+static u16 b43_fwcapa_read(struct b43_wldev *dev) -+{ -+ B43_WARN_ON(!dev->fw.opensource); -+ return b43_shm_read16(dev, B43_SHM_SHARED, B43_SHM_SH_FWCAPA); -+} -+ - void b43_tsf_read(struct b43_wldev *dev, u64 *tsf) - { - u32 low, high; -@@ -2307,12 +2314,34 @@ static int b43_upload_microcode(struct b - dev->fw.patch = fwpatch; - dev->fw.opensource = (fwdate == 0xFFFF); - -+ /* Default to use-all-queues. */ -+ dev->wl->hw->queues = dev->wl->mac80211_initially_registered_queues; -+ dev->qos_enabled = !!modparam_qos; -+ /* Default to firmware/hardware crypto acceleration. */ -+ dev->hwcrypto_enabled = 1; -+ - if (dev->fw.opensource) { -+ u16 fwcapa; -+ - /* Patchlevel info is encoded in the "time" field. */ - dev->fw.patch = fwtime; -- b43info(dev->wl, "Loading OpenSource firmware version %u.%u%s\n", -- dev->fw.rev, dev->fw.patch, -- dev->fw.pcm_request_failed ? " (Hardware crypto not supported)" : ""); -+ b43info(dev->wl, "Loading OpenSource firmware version %u.%u\n", -+ dev->fw.rev, dev->fw.patch); -+ -+ fwcapa = b43_fwcapa_read(dev); -+ if (!(fwcapa & B43_FWCAPA_HWCRYPTO) || dev->fw.pcm_request_failed) { -+ b43info(dev->wl, "Hardware crypto acceleration not supported by firmware\n"); -+ /* Disable hardware crypto and fall back to software crypto. */ -+ dev->hwcrypto_enabled = 0; -+ } -+ if (!(fwcapa & B43_FWCAPA_QOS)) { -+ b43info(dev->wl, "QoS not supported by firmware\n"); -+ /* Disable QoS. Tweak hw->queues to 1. It will be restored before -+ * ieee80211_unregister to make sure the networking core can -+ * properly free possible resources. */ -+ dev->wl->hw->queues = 1; -+ dev->qos_enabled = 0; -+ } - } else { - b43info(dev->wl, "Loading firmware version %u.%u " - "(20%.2i-%.2i-%.2i %.2i:%.2i:%.2i)\n", -@@ -3627,7 +3656,7 @@ static int b43_op_set_key(struct ieee802 - if (!dev || b43_status(dev) < B43_STAT_INITIALIZED) - goto out_unlock; - -- if (dev->fw.pcm_request_failed) { -+ if (dev->fw.pcm_request_failed || !dev->hwcrypto_enabled) { - /* We don't have firmware for the crypto engine. - * Must use software-crypto. */ - err = -EOPNOTSUPP; -@@ -4735,6 +4764,7 @@ static int b43_wireless_init(struct ssb_ - b43err(NULL, "Could not allocate ieee80211 device\n"); - goto out; - } -+ wl = hw_to_b43_wl(hw); - - /* fill hw info */ - hw->flags = IEEE80211_HW_RX_INCLUDES_FCS | -@@ -4748,7 +4778,8 @@ static int b43_wireless_init(struct ssb_ - BIT(NL80211_IFTYPE_WDS) | - BIT(NL80211_IFTYPE_ADHOC); - -- hw->queues = b43_modparam_qos ? 4 : 1; -+ hw->queues = modparam_qos ? 4 : 1; -+ wl->mac80211_initially_registered_queues = hw->queues; - hw->max_rates = 2; - SET_IEEE80211_DEV(hw, dev->dev); - if (is_valid_ether_addr(sprom->et1mac)) -@@ -4756,9 +4787,7 @@ static int b43_wireless_init(struct ssb_ - else - SET_IEEE80211_PERM_ADDR(hw, sprom->il0mac); - -- /* Get and initialize struct b43_wl */ -- wl = hw_to_b43_wl(hw); -- memset(wl, 0, sizeof(*wl)); -+ /* Initialize struct b43_wl */ - wl->hw = hw; - spin_lock_init(&wl->irq_lock); - rwlock_init(&wl->tx_lock); -@@ -4824,8 +4853,13 @@ static void b43_remove(struct ssb_device - cancel_work_sync(&wldev->restart_work); - - B43_WARN_ON(!wl); -- if (wl->current_dev == wldev) -+ if (wl->current_dev == wldev) { -+ /* Restore the queues count before unregistering, because firmware detect -+ * might have modified it. Restoring is important, so the networking -+ * stack can properly free resources. */ -+ wl->hw->queues = wl->mac80211_initially_registered_queues; - ieee80211_unregister_hw(wl->hw); -+ } - - b43_one_core_detach(dev); - ---- a/drivers/net/wireless/b43/main.h -+++ b/drivers/net/wireless/b43/main.h -@@ -39,7 +39,6 @@ - #define PAD_BYTES(nr_bytes) P4D_BYTES( __LINE__ , (nr_bytes)) - - --extern int b43_modparam_qos; - extern int b43_modparam_verbose; - - /* Logmessage verbosity levels. Update the b43_modparam_verbose helptext, if ---- a/drivers/net/wireless/b43/pio.c -+++ b/drivers/net/wireless/b43/pio.c -@@ -313,7 +313,7 @@ static struct b43_pio_txqueue *select_qu - { - struct b43_pio_txqueue *q; - -- if (b43_modparam_qos) { -+ if (dev->qos_enabled) { - /* 0 = highest priority */ - switch (queue_prio) { - default: |