diff options
6 files changed, 335 insertions, 0 deletions
diff --git a/package/kernel/mac80211/patches/381-v5.1-0011-brcmfmac-fix-size-of-the-struct-msgbuf_ring_status.patch b/package/kernel/mac80211/patches/381-v5.1-0011-brcmfmac-fix-size-of-the-struct-msgbuf_ring_status.patch new file mode 100644 index 0000000000..10834db608 --- /dev/null +++ b/package/kernel/mac80211/patches/381-v5.1-0011-brcmfmac-fix-size-of-the-struct-msgbuf_ring_status.patch @@ -0,0 +1,29 @@ +From 0c7051610c577b60b01b3b5aec14d6765e177b0d Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl> +Date: Thu, 21 Feb 2019 11:33:24 +0100 +Subject: [PATCH] brcmfmac: fix size of the struct msgbuf_ring_status +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +This updates host struct to match the in-firmawre definition. It's a +cosmetic change as it only applies to the reserved struct space. + +Fixes: c988b78244df ("brcmfmac: print firmware reported ring status errors") +Signed-off-by: Rafał Miłecki <rafal@milecki.pl> +Signed-off-by: Kalle Valo <kvalo@codeaurora.org> +--- + drivers/net/wireless/broadcom/brcm80211/brcmfmac/msgbuf.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/msgbuf.c ++++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/msgbuf.c +@@ -139,7 +139,7 @@ struct msgbuf_ring_status { + struct msgbuf_common_hdr msg; + struct msgbuf_completion_hdr compl_hdr; + __le16 write_idx; +- __le32 rsvd0[5]; ++ __le16 rsvd0[5]; + }; + + struct msgbuf_rx_event { diff --git a/package/kernel/mac80211/patches/381-v5.1-0012-brcmfmac-print-firmware-reported-general-status-erro.patch b/package/kernel/mac80211/patches/381-v5.1-0012-brcmfmac-print-firmware-reported-general-status-erro.patch new file mode 100644 index 0000000000..313d501e82 --- /dev/null +++ b/package/kernel/mac80211/patches/381-v5.1-0012-brcmfmac-print-firmware-reported-general-status-erro.patch @@ -0,0 +1,69 @@ +From c91377495192cda096e52dc09c266b0d05f16d86 Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl> +Date: Thu, 21 Feb 2019 11:33:25 +0100 +Subject: [PATCH] brcmfmac: print firmware reported general status errors +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +Firmware may report general errors using a special message type. Add +basic support for it by simply decoding & printing an error number. + +A sample situation in which firmware reports a buf error: +CONSOLE: 027084.733 no host response IOCTL buffer available..so fail the request +will now produce a "Firmware reported general error: 9" on the host. + +Signed-off-by: Rafał Miłecki <rafal@milecki.pl> +Acked-by: Arend van Spriel <arend.vanspriel@broadcom.com> +Signed-off-by: Kalle Valo <kvalo@codeaurora.org> +--- + .../broadcom/brcm80211/brcmfmac/msgbuf.c | 24 +++++++++++++++++++ + 1 file changed, 24 insertions(+) + +--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/msgbuf.c ++++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/msgbuf.c +@@ -134,6 +134,14 @@ struct msgbuf_completion_hdr { + __le16 flow_ring_id; + }; + ++/* Data struct for the MSGBUF_TYPE_GEN_STATUS */ ++struct msgbuf_gen_status { ++ struct msgbuf_common_hdr msg; ++ struct msgbuf_completion_hdr compl_hdr; ++ __le16 write_idx; ++ __le32 rsvd0[3]; ++}; ++ + /* Data struct for the MSGBUF_TYPE_RING_STATUS */ + struct msgbuf_ring_status { + struct msgbuf_common_hdr msg; +@@ -1194,6 +1202,18 @@ brcmf_msgbuf_process_rx_complete(struct + brcmf_netif_rx(ifp, skb); + } + ++static void brcmf_msgbuf_process_gen_status(struct brcmf_msgbuf *msgbuf, ++ void *buf) ++{ ++ struct msgbuf_gen_status *gen_status = buf; ++ struct brcmf_pub *drvr = msgbuf->drvr; ++ int err; ++ ++ err = le16_to_cpu(gen_status->compl_hdr.status); ++ if (err) ++ bphy_err(drvr, "Firmware reported general error: %d\n", err); ++} ++ + static void brcmf_msgbuf_process_ring_status(struct brcmf_msgbuf *msgbuf, + void *buf) + { +@@ -1273,6 +1293,10 @@ static void brcmf_msgbuf_process_msgtype + + msg = (struct msgbuf_common_hdr *)buf; + switch (msg->msgtype) { ++ case MSGBUF_TYPE_GEN_STATUS: ++ brcmf_dbg(MSGBUF, "MSGBUF_TYPE_GEN_STATUS\n"); ++ brcmf_msgbuf_process_gen_status(msgbuf, buf); ++ break; + case MSGBUF_TYPE_RING_STATUS: + brcmf_dbg(MSGBUF, "MSGBUF_TYPE_RING_STATUS\n"); + brcmf_msgbuf_process_ring_status(msgbuf, buf); diff --git a/package/kernel/mac80211/patches/450-v5.2-0001-brcmfmac-fix-race-during-disconnect-when-USB-complet.patch b/package/kernel/mac80211/patches/450-v5.2-0001-brcmfmac-fix-race-during-disconnect-when-USB-complet.patch new file mode 100644 index 0000000000..a6d5c34007 --- /dev/null +++ b/package/kernel/mac80211/patches/450-v5.2-0001-brcmfmac-fix-race-during-disconnect-when-USB-complet.patch @@ -0,0 +1,84 @@ +From db3b9e2e1d58080d0754bdf9293dabf8c6491b67 Mon Sep 17 00:00:00 2001 +From: Piotr Figiel <p.figiel@camlintechnologies.com> +Date: Fri, 8 Mar 2019 15:25:04 +0000 +Subject: [PATCH] brcmfmac: fix race during disconnect when USB completion is + in progress + +It was observed that rarely during USB disconnect happening shortly after +connect (before full initialization completes) usb_hub_wq would wait +forever for the dev_init_lock to be unlocked. dev_init_lock would remain +locked though because of infinite wait during usb_kill_urb: + +[ 2730.656472] kworker/0:2 D 0 260 2 0x00000000 +[ 2730.660700] Workqueue: events request_firmware_work_func +[ 2730.664807] [<809dca20>] (__schedule) from [<809dd164>] (schedule+0x4c/0xac) +[ 2730.670587] [<809dd164>] (schedule) from [<8069af44>] (usb_kill_urb+0xdc/0x114) +[ 2730.676815] [<8069af44>] (usb_kill_urb) from [<7f258b50>] (brcmf_usb_free_q+0x34/0xa8 [brcmfmac]) +[ 2730.684833] [<7f258b50>] (brcmf_usb_free_q [brcmfmac]) from [<7f2517d4>] (brcmf_detach+0xa0/0xb8 [brcmfmac]) +[ 2730.693557] [<7f2517d4>] (brcmf_detach [brcmfmac]) from [<7f251a34>] (brcmf_attach+0xac/0x3d8 [brcmfmac]) +[ 2730.702094] [<7f251a34>] (brcmf_attach [brcmfmac]) from [<7f2587ac>] (brcmf_usb_probe_phase2+0x468/0x4a0 [brcmfmac]) +[ 2730.711601] [<7f2587ac>] (brcmf_usb_probe_phase2 [brcmfmac]) from [<7f252888>] (brcmf_fw_request_done+0x194/0x220 [brcmfmac]) +[ 2730.721795] [<7f252888>] (brcmf_fw_request_done [brcmfmac]) from [<805748e4>] (request_firmware_work_func+0x4c/0x88) +[ 2730.731125] [<805748e4>] (request_firmware_work_func) from [<80141474>] (process_one_work+0x228/0x808) +[ 2730.739223] [<80141474>] (process_one_work) from [<80141a80>] (worker_thread+0x2c/0x564) +[ 2730.746105] [<80141a80>] (worker_thread) from [<80147bcc>] (kthread+0x13c/0x16c) +[ 2730.752227] [<80147bcc>] (kthread) from [<801010b4>] (ret_from_fork+0x14/0x20) + +[ 2733.099695] kworker/0:3 D 0 1065 2 0x00000000 +[ 2733.103926] Workqueue: usb_hub_wq hub_event +[ 2733.106914] [<809dca20>] (__schedule) from [<809dd164>] (schedule+0x4c/0xac) +[ 2733.112693] [<809dd164>] (schedule) from [<809e2a8c>] (schedule_timeout+0x214/0x3e4) +[ 2733.119621] [<809e2a8c>] (schedule_timeout) from [<809dde2c>] (wait_for_common+0xc4/0x1c0) +[ 2733.126810] [<809dde2c>] (wait_for_common) from [<7f258d00>] (brcmf_usb_disconnect+0x1c/0x4c [brcmfmac]) +[ 2733.135206] [<7f258d00>] (brcmf_usb_disconnect [brcmfmac]) from [<8069e0c8>] (usb_unbind_interface+0x5c/0x1e4) +[ 2733.143943] [<8069e0c8>] (usb_unbind_interface) from [<8056d3e8>] (device_release_driver_internal+0x164/0x1fc) +[ 2733.152769] [<8056d3e8>] (device_release_driver_internal) from [<8056c078>] (bus_remove_device+0xd0/0xfc) +[ 2733.161138] [<8056c078>] (bus_remove_device) from [<8056977c>] (device_del+0x11c/0x310) +[ 2733.167939] [<8056977c>] (device_del) from [<8069cba8>] (usb_disable_device+0xa0/0x1cc) +[ 2733.174743] [<8069cba8>] (usb_disable_device) from [<8069507c>] (usb_disconnect+0x74/0x1dc) +[ 2733.181823] [<8069507c>] (usb_disconnect) from [<80695e88>] (hub_event+0x478/0xf88) +[ 2733.188278] [<80695e88>] (hub_event) from [<80141474>] (process_one_work+0x228/0x808) +[ 2733.194905] [<80141474>] (process_one_work) from [<80141a80>] (worker_thread+0x2c/0x564) +[ 2733.201724] [<80141a80>] (worker_thread) from [<80147bcc>] (kthread+0x13c/0x16c) +[ 2733.207913] [<80147bcc>] (kthread) from [<801010b4>] (ret_from_fork+0x14/0x20) + +It was traced down to a case where usb_kill_urb would be called on an URB +structure containing more or less random data, including large number in +its use_count. During the debugging it appeared that in brcmf_usb_free_q() +the traversal over URBs' lists is not synchronized with operations on those +lists in brcmf_usb_rx_complete() leading to handling +brcmf_usbdev_info structure (holding lists' head) as lists' element and in +result causing above problem. + +Fix it by walking through all URBs during brcmf_cancel_all_urbs using the +arrays of requests instead of linked lists. + +Signed-off-by: Piotr Figiel <p.figiel@camlintechnologies.com> +Signed-off-by: Kalle Valo <kvalo@codeaurora.org> +--- + drivers/net/wireless/broadcom/brcm80211/brcmfmac/usb.c | 10 ++++++++-- + 1 file changed, 8 insertions(+), 2 deletions(-) + +--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/usb.c ++++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/usb.c +@@ -684,12 +684,18 @@ static int brcmf_usb_up(struct device *d + + static void brcmf_cancel_all_urbs(struct brcmf_usbdev_info *devinfo) + { ++ int i; ++ + if (devinfo->ctl_urb) + usb_kill_urb(devinfo->ctl_urb); + if (devinfo->bulk_urb) + usb_kill_urb(devinfo->bulk_urb); +- brcmf_usb_free_q(&devinfo->tx_postq, true); +- brcmf_usb_free_q(&devinfo->rx_postq, true); ++ if (devinfo->tx_reqs) ++ for (i = 0; i < devinfo->bus_pub.ntxq; i++) ++ usb_kill_urb(devinfo->tx_reqs[i].urb); ++ if (devinfo->rx_reqs) ++ for (i = 0; i < devinfo->bus_pub.nrxq; i++) ++ usb_kill_urb(devinfo->rx_reqs[i].urb); + } + + static void brcmf_usb_down(struct device *dev) diff --git a/package/kernel/mac80211/patches/450-v5.2-0002-brcmfmac-remove-pending-parameter-from-brcmf_usb_fre.patch b/package/kernel/mac80211/patches/450-v5.2-0002-brcmfmac-remove-pending-parameter-from-brcmf_usb_fre.patch new file mode 100644 index 0000000000..80ad31ece6 --- /dev/null +++ b/package/kernel/mac80211/patches/450-v5.2-0002-brcmfmac-remove-pending-parameter-from-brcmf_usb_fre.patch @@ -0,0 +1,54 @@ +From 2b78e5f5223666d403d4fdb30af4ad65c8da3cdb Mon Sep 17 00:00:00 2001 +From: Piotr Figiel <p.figiel@camlintechnologies.com> +Date: Fri, 8 Mar 2019 15:25:06 +0000 +Subject: [PATCH] brcmfmac: remove pending parameter from brcmf_usb_free_q + +brcmf_usb_free_q is no longer called with pending=true thus this boolean +parameter is no longer needed. + +Signed-off-by: Piotr Figiel <p.figiel@camlintechnologies.com> +Signed-off-by: Kalle Valo <kvalo@codeaurora.org> +--- + .../wireless/broadcom/brcm80211/brcmfmac/usb.c | 15 ++++++--------- + 1 file changed, 6 insertions(+), 9 deletions(-) + +--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/usb.c ++++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/usb.c +@@ -445,9 +445,10 @@ fail: + + } + +-static void brcmf_usb_free_q(struct list_head *q, bool pending) ++static void brcmf_usb_free_q(struct list_head *q) + { + struct brcmf_usbreq *req, *next; ++ + int i = 0; + list_for_each_entry_safe(req, next, q, list) { + if (!req->urb) { +@@ -455,12 +456,8 @@ static void brcmf_usb_free_q(struct list + break; + } + i++; +- if (pending) { +- usb_kill_urb(req->urb); +- } else { +- usb_free_urb(req->urb); +- list_del_init(&req->list); +- } ++ usb_free_urb(req->urb); ++ list_del_init(&req->list); + } + } + +@@ -1031,8 +1028,8 @@ static void brcmf_usb_detach(struct brcm + brcmf_dbg(USB, "Enter, devinfo %p\n", devinfo); + + /* free the URBS */ +- brcmf_usb_free_q(&devinfo->rx_freeq, false); +- brcmf_usb_free_q(&devinfo->tx_freeq, false); ++ brcmf_usb_free_q(&devinfo->rx_freeq); ++ brcmf_usb_free_q(&devinfo->tx_freeq); + + usb_free_urb(devinfo->ctl_urb); + usb_free_urb(devinfo->bulk_urb); diff --git a/package/kernel/mac80211/patches/450-v5.2-0003-brcmfmac-remove-unused-variable-i-from-brcmf_usb_fre.patch b/package/kernel/mac80211/patches/450-v5.2-0003-brcmfmac-remove-unused-variable-i-from-brcmf_usb_fre.patch new file mode 100644 index 0000000000..4c8d073914 --- /dev/null +++ b/package/kernel/mac80211/patches/450-v5.2-0003-brcmfmac-remove-unused-variable-i-from-brcmf_usb_fre.patch @@ -0,0 +1,29 @@ +From 504f06725d015954a0fcafdf1d90a6795ca8f769 Mon Sep 17 00:00:00 2001 +From: Piotr Figiel <p.figiel@camlintechnologies.com> +Date: Fri, 8 Mar 2019 15:25:09 +0000 +Subject: [PATCH] brcmfmac: remove unused variable i from brcmf_usb_free_q + +Variable i is not used so remove it. + +Signed-off-by: Piotr Figiel <p.figiel@camlintechnologies.com> +Signed-off-by: Kalle Valo <kvalo@codeaurora.org> +--- + drivers/net/wireless/broadcom/brcm80211/brcmfmac/usb.c | 2 -- + 1 file changed, 2 deletions(-) + +--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/usb.c ++++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/usb.c +@@ -449,13 +449,11 @@ static void brcmf_usb_free_q(struct list + { + struct brcmf_usbreq *req, *next; + +- int i = 0; + list_for_each_entry_safe(req, next, q, list) { + if (!req->urb) { + brcmf_err("bad req\n"); + break; + } +- i++; + usb_free_urb(req->urb); + list_del_init(&req->list); + } diff --git a/package/kernel/mac80211/patches/865-brcmfmac-get-RAM-info-right-before-downloading-PCIe-.patch b/package/kernel/mac80211/patches/865-brcmfmac-get-RAM-info-right-before-downloading-PCIe-.patch new file mode 100644 index 0000000000..020594dcbc --- /dev/null +++ b/package/kernel/mac80211/patches/865-brcmfmac-get-RAM-info-right-before-downloading-PCIe-.patch @@ -0,0 +1,70 @@ +From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl> +Subject: [PATCH] brcmfmac: get RAM info right before downloading PCIe firmware +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +It's important as brcmf_chip_get_raminfo() also makes sure that memory +is properly setup. Without it the firmware could report invalid RAM +address like 0x04000001. + +During a normal brcmfmac lifetime brcmf_chip_get_raminfo() is called on +probe by the brcmf_chip_recognition(). This change allows implementing +further improvements like handling errors by resetting a device with +the brcmf_pcie_reset_device() and redownloading a firmware afterwards. + +Signed-off-by: Rafał Miłecki <rafal@milecki.pl> +--- + drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c | 6 ++++-- + drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.h | 1 + + drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c | 6 ++++++ + 3 files changed, 11 insertions(+), 2 deletions(-) + +--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c ++++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c +@@ -700,8 +700,10 @@ static u32 brcmf_chip_tcm_rambase(struct + return 0; + } + +-static int brcmf_chip_get_raminfo(struct brcmf_chip_priv *ci) ++int brcmf_chip_get_raminfo(struct brcmf_chip *pub) + { ++ struct brcmf_chip_priv *ci = container_of(pub, struct brcmf_chip_priv, ++ pub); + struct brcmf_core_priv *mem_core; + struct brcmf_core *mem; + +@@ -981,7 +983,7 @@ static int brcmf_chip_recognition(struct + brcmf_chip_set_passive(&ci->pub); + } + +- return brcmf_chip_get_raminfo(ci); ++ return brcmf_chip_get_raminfo(&ci->pub); + } + + static void brcmf_chip_disable_arm(struct brcmf_chip_priv *chip, u16 id) +--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.h ++++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.h +@@ -80,6 +80,7 @@ struct brcmf_buscore_ops { + void (*activate)(void *ctx, struct brcmf_chip *chip, u32 rstvec); + }; + ++int brcmf_chip_get_raminfo(struct brcmf_chip *pub); + struct brcmf_chip *brcmf_chip_attach(void *ctx, + const struct brcmf_buscore_ops *ops); + void brcmf_chip_detach(struct brcmf_chip *chip); +--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c ++++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c +@@ -1727,6 +1727,12 @@ static void brcmf_pcie_setup(struct devi + nvram_len = fwreq->items[BRCMF_PCIE_FW_NVRAM].nv_data.len; + kfree(fwreq); + ++ ret = brcmf_chip_get_raminfo(devinfo->ci); ++ if (ret) { ++ brcmf_err(bus, "Failed to get RAM info\n"); ++ goto fail; ++ } ++ + /* Some of the firmwares have the size of the memory of the device + * defined inside the firmware. This is because part of the memory in + * the device is shared and the devision is determined by FW. Parse |