From: Rafał Miłecki Date: Wed, 7 Nov 2018 11:02:43 +0000 (+0100) Subject: mac80211: brcmfmac: rename 4.20 backport patches X-Git-Tag: v18.06.2~306 X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=5195136002fe3a53676cfef38aaa923b7014aca2;p=openwrt%2Fstaging%2Fpepe2k.git mac80211: brcmfmac: rename 4.20 backport patches Include kernel version to help tracking changes. Signed-off-by: Rafał Miłecki (cherry picked from commit f7a3459ab9c4d8f5102c8ae0861ca481571703f7) --- diff --git a/package/kernel/mac80211/patches/342-0001-brcmfmac-add-CYW89342-mini-PCIe-device.patch b/package/kernel/mac80211/patches/342-0001-brcmfmac-add-CYW89342-mini-PCIe-device.patch deleted file mode 100644 index d0d9b20373..0000000000 --- a/package/kernel/mac80211/patches/342-0001-brcmfmac-add-CYW89342-mini-PCIe-device.patch +++ /dev/null @@ -1,25 +0,0 @@ -From 2fef681a4cf7994c882190fd2417b95f30510afb Mon Sep 17 00:00:00 2001 -From: Jia-Shyr Chuang -Date: Wed, 15 Aug 2018 04:23:09 -0500 -Subject: [PATCH] brcmfmac: add CYW89342 mini-PCIe device - -CYW89342 is a 2x2 MIMO, 802.11a/b/g/n/ac for WLAN. It is a member of -4355/4359 family. - -Signed-off-by: Jia-Shyr Chuang -Signed-off-by: Chi-Hsien Lin -Signed-off-by: Kalle Valo ---- - drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c | 1 + - 1 file changed, 1 insertion(+) - ---- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c -+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c -@@ -2017,6 +2017,7 @@ static const struct dev_pm_ops brcmf_pci - - static const struct pci_device_id brcmf_pcie_devid_table[] = { - BRCMF_PCIE_DEVICE(BRCM_PCIE_4350_DEVICE_ID), -+ BRCMF_PCIE_DEVICE_SUB(0x4355, BRCM_PCIE_VENDOR_ID_BROADCOM, 0x4355), - BRCMF_PCIE_DEVICE(BRCM_PCIE_4356_DEVICE_ID), - BRCMF_PCIE_DEVICE(BRCM_PCIE_43567_DEVICE_ID), - BRCMF_PCIE_DEVICE(BRCM_PCIE_43570_DEVICE_ID), diff --git a/package/kernel/mac80211/patches/342-v4.20-0001-brcmfmac-add-CYW89342-mini-PCIe-device.patch b/package/kernel/mac80211/patches/342-v4.20-0001-brcmfmac-add-CYW89342-mini-PCIe-device.patch new file mode 100644 index 0000000000..d0d9b20373 --- /dev/null +++ b/package/kernel/mac80211/patches/342-v4.20-0001-brcmfmac-add-CYW89342-mini-PCIe-device.patch @@ -0,0 +1,25 @@ +From 2fef681a4cf7994c882190fd2417b95f30510afb Mon Sep 17 00:00:00 2001 +From: Jia-Shyr Chuang +Date: Wed, 15 Aug 2018 04:23:09 -0500 +Subject: [PATCH] brcmfmac: add CYW89342 mini-PCIe device + +CYW89342 is a 2x2 MIMO, 802.11a/b/g/n/ac for WLAN. It is a member of +4355/4359 family. + +Signed-off-by: Jia-Shyr Chuang +Signed-off-by: Chi-Hsien Lin +Signed-off-by: Kalle Valo +--- + drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c | 1 + + 1 file changed, 1 insertion(+) + +--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c ++++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c +@@ -2017,6 +2017,7 @@ static const struct dev_pm_ops brcmf_pci + + static const struct pci_device_id brcmf_pcie_devid_table[] = { + BRCMF_PCIE_DEVICE(BRCM_PCIE_4350_DEVICE_ID), ++ BRCMF_PCIE_DEVICE_SUB(0x4355, BRCM_PCIE_VENDOR_ID_BROADCOM, 0x4355), + BRCMF_PCIE_DEVICE(BRCM_PCIE_4356_DEVICE_ID), + BRCMF_PCIE_DEVICE(BRCM_PCIE_43567_DEVICE_ID), + BRCMF_PCIE_DEVICE(BRCM_PCIE_43570_DEVICE_ID), diff --git a/package/kernel/mac80211/patches/344-0001-brcmfmac-fix-wrong-strnchr-usage.patch b/package/kernel/mac80211/patches/344-0001-brcmfmac-fix-wrong-strnchr-usage.patch deleted file mode 100644 index 8267b37864..0000000000 --- a/package/kernel/mac80211/patches/344-0001-brcmfmac-fix-wrong-strnchr-usage.patch +++ /dev/null @@ -1,38 +0,0 @@ -From cb18e2e9ec71d42409a51b83546686c609780dde Mon Sep 17 00:00:00 2001 -From: Rasmus Villemoes -Date: Wed, 22 Aug 2018 15:22:15 +0200 -Subject: [PATCH] brcmfmac: fix wrong strnchr usage - -strnchr takes arguments in the order of its name: string, max bytes to -read, character to search for. Here we're passing '\n' aka 10 as the -buffer size, and searching for sizeof(buf) aka BRCMF_DCMD_SMLEN aka -256 (aka '\0', since it's implicitly converted to char) within those 10 -bytes. - -Just interchanging the last two arguments would still leave a bug, -because if we've been successful once, there are not sizeof(buf) -characters left after the new value of p. - -Since clmver is immediately afterwards passed as a %s argument, I assume -that it is actually a properly nul-terminated string. For that case, we -have strreplace(). - -Signed-off-by: Rasmus Villemoes -Signed-off-by: Kalle Valo ---- - drivers/net/wireless/broadcom/brcm80211/brcmfmac/common.c | 4 +--- - 1 file changed, 1 insertion(+), 3 deletions(-) - ---- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/common.c -+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/common.c -@@ -296,9 +296,7 @@ int brcmf_c_preinit_dcmds(struct brcmf_i - /* Replace all newline/linefeed characters with space - * character - */ -- ptr = clmver; -- while ((ptr = strnchr(ptr, '\n', sizeof(buf))) != NULL) -- *ptr = ' '; -+ strreplace(clmver, '\n', ' '); - - brcmf_dbg(INFO, "CLM version = %s\n", clmver); - } diff --git a/package/kernel/mac80211/patches/344-v4.20-0001-brcmfmac-fix-wrong-strnchr-usage.patch b/package/kernel/mac80211/patches/344-v4.20-0001-brcmfmac-fix-wrong-strnchr-usage.patch new file mode 100644 index 0000000000..8267b37864 --- /dev/null +++ b/package/kernel/mac80211/patches/344-v4.20-0001-brcmfmac-fix-wrong-strnchr-usage.patch @@ -0,0 +1,38 @@ +From cb18e2e9ec71d42409a51b83546686c609780dde Mon Sep 17 00:00:00 2001 +From: Rasmus Villemoes +Date: Wed, 22 Aug 2018 15:22:15 +0200 +Subject: [PATCH] brcmfmac: fix wrong strnchr usage + +strnchr takes arguments in the order of its name: string, max bytes to +read, character to search for. Here we're passing '\n' aka 10 as the +buffer size, and searching for sizeof(buf) aka BRCMF_DCMD_SMLEN aka +256 (aka '\0', since it's implicitly converted to char) within those 10 +bytes. + +Just interchanging the last two arguments would still leave a bug, +because if we've been successful once, there are not sizeof(buf) +characters left after the new value of p. + +Since clmver is immediately afterwards passed as a %s argument, I assume +that it is actually a properly nul-terminated string. For that case, we +have strreplace(). + +Signed-off-by: Rasmus Villemoes +Signed-off-by: Kalle Valo +--- + drivers/net/wireless/broadcom/brcm80211/brcmfmac/common.c | 4 +--- + 1 file changed, 1 insertion(+), 3 deletions(-) + +--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/common.c ++++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/common.c +@@ -296,9 +296,7 @@ int brcmf_c_preinit_dcmds(struct brcmf_i + /* Replace all newline/linefeed characters with space + * character + */ +- ptr = clmver; +- while ((ptr = strnchr(ptr, '\n', sizeof(buf))) != NULL) +- *ptr = ' '; ++ strreplace(clmver, '\n', ' '); + + brcmf_dbg(INFO, "CLM version = %s\n", clmver); + } diff --git a/package/kernel/mac80211/patches/345-0001-brcmfmac-fix-for-proper-support-of-160MHz-bandwidth.patch b/package/kernel/mac80211/patches/345-0001-brcmfmac-fix-for-proper-support-of-160MHz-bandwidth.patch deleted file mode 100644 index 6e96578990..0000000000 --- a/package/kernel/mac80211/patches/345-0001-brcmfmac-fix-for-proper-support-of-160MHz-bandwidth.patch +++ /dev/null @@ -1,117 +0,0 @@ -From: Arend van Spriel -Date: Wed, 5 Sep 2018 09:48:58 +0200 -Subject: [PATCH] brcmfmac: fix for proper support of 160MHz bandwidth - -Decoding of firmware channel information was not complete for 160MHz -support. This resulted in the following warning: - - WARNING: CPU: 2 PID: 2222 at .../broadcom/brcm80211/brcmutil/d11.c:196 - brcmu_d11ac_decchspec+0x2e/0x100 [brcmutil] - Modules linked in: brcmfmac(O) brcmutil(O) sha256_generic cfg80211 ... - CPU: 2 PID: 2222 Comm: kworker/2:0 Tainted: G O - 4.17.0-wt-testing-x64-00002-gf1bed50 #1 - Hardware name: Dell Inc. Latitude E6410/07XJP9, BIOS A07 02/15/2011 - Workqueue: events request_firmware_work_func - RIP: 0010:brcmu_d11ac_decchspec+0x2e/0x100 [brcmutil] - RSP: 0018:ffffc90000047bd0 EFLAGS: 00010206 - RAX: 000000000000e832 RBX: ffff8801146fe910 RCX: ffff8801146fd3c0 - RDX: 0000000000002800 RSI: 0000000000000070 RDI: ffffc90000047c30 - RBP: ffffc90000047bd0 R08: 0000000000000000 R09: ffffffffa0798c80 - R10: ffff88012bca55e0 R11: ffff880110a4ea00 R12: ffff8801146f8000 - R13: ffffc90000047c30 R14: ffff8801146fe930 R15: ffff8801138e02e0 - FS: 0000000000000000(0000) GS:ffff88012bc80000(0000) knlGS:0000000000000000 - CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 - CR2: 00007f18ce8b8070 CR3: 000000000200a003 CR4: 00000000000206e0 - Call Trace: - brcmf_setup_wiphybands+0x212/0x780 [brcmfmac] - brcmf_cfg80211_attach+0xae2/0x11a0 [brcmfmac] - brcmf_attach+0x1fc/0x4b0 [brcmfmac] - ? __kmalloc+0x13c/0x1c0 - brcmf_pcie_setup+0x99b/0xe00 [brcmfmac] - brcmf_fw_request_done+0x16a/0x1f0 [brcmfmac] - request_firmware_work_func+0x36/0x60 - process_one_work+0x146/0x350 - worker_thread+0x4a/0x3b0 - kthread+0x102/0x140 - ? process_one_work+0x350/0x350 - ? kthread_bind+0x20/0x20 - ret_from_fork+0x35/0x40 - Code: 66 90 0f b7 07 55 48 89 e5 89 c2 88 47 02 88 47 03 66 81 e2 00 38 - 66 81 fa 00 18 74 6e 66 81 fa 00 20 74 39 66 81 fa 00 10 74 14 <0f> - 0b 66 25 00 c0 74 20 66 3d 00 c0 75 20 c6 47 04 01 5d c3 66 - ---[ end trace 550c46682415b26d ]--- - brcmfmac: brcmf_construct_chaninfo: Ignoring unexpected firmware channel 50 - -This patch adds the missing stuff to properly handle this. - -Reviewed-by: Hante Meuleman -Reviewed-by: Pieter-Paul Giesberts -Reviewed-by: Franky Lin -Signed-off-by: Arend van Spriel ---- - .../net/wireless/broadcom/brcm80211/brcmutil/d11.c | 34 +++++++++++++++++++++- - .../broadcom/brcm80211/include/brcmu_wifi.h | 2 ++ - 2 files changed, 35 insertions(+), 1 deletion(-) - ---- a/drivers/net/wireless/broadcom/brcm80211/brcmutil/d11.c -+++ b/drivers/net/wireless/broadcom/brcm80211/brcmutil/d11.c -@@ -77,6 +77,8 @@ static u16 d11ac_bw(enum brcmu_chan_bw b - return BRCMU_CHSPEC_D11AC_BW_40; - case BRCMU_CHAN_BW_80: - return BRCMU_CHSPEC_D11AC_BW_80; -+ case BRCMU_CHAN_BW_160: -+ return BRCMU_CHSPEC_D11AC_BW_160; - default: - WARN_ON(1); - } -@@ -190,8 +192,38 @@ static void brcmu_d11ac_decchspec(struct - break; - } - break; -- case BRCMU_CHSPEC_D11AC_BW_8080: - case BRCMU_CHSPEC_D11AC_BW_160: -+ switch (ch->sb) { -+ case BRCMU_CHAN_SB_LLL: -+ ch->control_ch_num -= CH_70MHZ_APART; -+ break; -+ case BRCMU_CHAN_SB_LLU: -+ ch->control_ch_num -= CH_50MHZ_APART; -+ break; -+ case BRCMU_CHAN_SB_LUL: -+ ch->control_ch_num -= CH_30MHZ_APART; -+ break; -+ case BRCMU_CHAN_SB_LUU: -+ ch->control_ch_num -= CH_10MHZ_APART; -+ break; -+ case BRCMU_CHAN_SB_ULL: -+ ch->control_ch_num += CH_10MHZ_APART; -+ break; -+ case BRCMU_CHAN_SB_ULU: -+ ch->control_ch_num += CH_30MHZ_APART; -+ break; -+ case BRCMU_CHAN_SB_UUL: -+ ch->control_ch_num += CH_50MHZ_APART; -+ break; -+ case BRCMU_CHAN_SB_UUU: -+ ch->control_ch_num += CH_70MHZ_APART; -+ break; -+ default: -+ WARN_ON_ONCE(1); -+ break; -+ } -+ break; -+ case BRCMU_CHSPEC_D11AC_BW_8080: - default: - WARN_ON_ONCE(1); - break; ---- a/drivers/net/wireless/broadcom/brcm80211/include/brcmu_wifi.h -+++ b/drivers/net/wireless/broadcom/brcm80211/include/brcmu_wifi.h -@@ -29,6 +29,8 @@ - #define CH_UPPER_SB 0x01 - #define CH_LOWER_SB 0x02 - #define CH_EWA_VALID 0x04 -+#define CH_70MHZ_APART 14 -+#define CH_50MHZ_APART 10 - #define CH_30MHZ_APART 6 - #define CH_20MHZ_APART 4 - #define CH_10MHZ_APART 2 diff --git a/package/kernel/mac80211/patches/345-0002-brcmfmac-increase-buffer-for-obtaining-firmware-capa.patch b/package/kernel/mac80211/patches/345-0002-brcmfmac-increase-buffer-for-obtaining-firmware-capa.patch deleted file mode 100644 index 11fb4bce45..0000000000 --- a/package/kernel/mac80211/patches/345-0002-brcmfmac-increase-buffer-for-obtaining-firmware-capa.patch +++ /dev/null @@ -1,28 +0,0 @@ -From: Arend van Spriel -Date: Wed, 5 Sep 2018 09:48:59 +0200 -Subject: [PATCH] brcmfmac: increase buffer for obtaining firmware capabilities - -When obtaining the firmware capability a buffer is provided of 512 -bytes. However, if all features in firmware are supported the buffer -needs to be 565 bytes as otherwise truncated information is retrieved -from firmware. Increasing the buffer to 768 bytes on stack. - -Reviewed-by: Hante Meuleman -Reviewed-by: Pieter-Paul Giesberts -Reviewed-by: Franky Lin -Signed-off-by: Arend van Spriel ---- - drivers/net/wireless/broadcom/brcm80211/brcmfmac/feature.c | 2 +- - 1 file changed, 1 insertion(+), 1 deletion(-) - ---- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/feature.c -+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/feature.c -@@ -178,7 +178,7 @@ static void brcmf_feat_iovar_data_set(st - ifp->fwil_fwerr = false; - } - --#define MAX_CAPS_BUFFER_SIZE 512 -+#define MAX_CAPS_BUFFER_SIZE 768 - static void brcmf_feat_firmware_capabilities(struct brcmf_if *ifp) - { - char caps[MAX_CAPS_BUFFER_SIZE]; diff --git a/package/kernel/mac80211/patches/345-v4.20-0001-brcmfmac-fix-for-proper-support-of-160MHz-bandwidth.patch b/package/kernel/mac80211/patches/345-v4.20-0001-brcmfmac-fix-for-proper-support-of-160MHz-bandwidth.patch new file mode 100644 index 0000000000..6e96578990 --- /dev/null +++ b/package/kernel/mac80211/patches/345-v4.20-0001-brcmfmac-fix-for-proper-support-of-160MHz-bandwidth.patch @@ -0,0 +1,117 @@ +From: Arend van Spriel +Date: Wed, 5 Sep 2018 09:48:58 +0200 +Subject: [PATCH] brcmfmac: fix for proper support of 160MHz bandwidth + +Decoding of firmware channel information was not complete for 160MHz +support. This resulted in the following warning: + + WARNING: CPU: 2 PID: 2222 at .../broadcom/brcm80211/brcmutil/d11.c:196 + brcmu_d11ac_decchspec+0x2e/0x100 [brcmutil] + Modules linked in: brcmfmac(O) brcmutil(O) sha256_generic cfg80211 ... + CPU: 2 PID: 2222 Comm: kworker/2:0 Tainted: G O + 4.17.0-wt-testing-x64-00002-gf1bed50 #1 + Hardware name: Dell Inc. Latitude E6410/07XJP9, BIOS A07 02/15/2011 + Workqueue: events request_firmware_work_func + RIP: 0010:brcmu_d11ac_decchspec+0x2e/0x100 [brcmutil] + RSP: 0018:ffffc90000047bd0 EFLAGS: 00010206 + RAX: 000000000000e832 RBX: ffff8801146fe910 RCX: ffff8801146fd3c0 + RDX: 0000000000002800 RSI: 0000000000000070 RDI: ffffc90000047c30 + RBP: ffffc90000047bd0 R08: 0000000000000000 R09: ffffffffa0798c80 + R10: ffff88012bca55e0 R11: ffff880110a4ea00 R12: ffff8801146f8000 + R13: ffffc90000047c30 R14: ffff8801146fe930 R15: ffff8801138e02e0 + FS: 0000000000000000(0000) GS:ffff88012bc80000(0000) knlGS:0000000000000000 + CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 + CR2: 00007f18ce8b8070 CR3: 000000000200a003 CR4: 00000000000206e0 + Call Trace: + brcmf_setup_wiphybands+0x212/0x780 [brcmfmac] + brcmf_cfg80211_attach+0xae2/0x11a0 [brcmfmac] + brcmf_attach+0x1fc/0x4b0 [brcmfmac] + ? __kmalloc+0x13c/0x1c0 + brcmf_pcie_setup+0x99b/0xe00 [brcmfmac] + brcmf_fw_request_done+0x16a/0x1f0 [brcmfmac] + request_firmware_work_func+0x36/0x60 + process_one_work+0x146/0x350 + worker_thread+0x4a/0x3b0 + kthread+0x102/0x140 + ? process_one_work+0x350/0x350 + ? kthread_bind+0x20/0x20 + ret_from_fork+0x35/0x40 + Code: 66 90 0f b7 07 55 48 89 e5 89 c2 88 47 02 88 47 03 66 81 e2 00 38 + 66 81 fa 00 18 74 6e 66 81 fa 00 20 74 39 66 81 fa 00 10 74 14 <0f> + 0b 66 25 00 c0 74 20 66 3d 00 c0 75 20 c6 47 04 01 5d c3 66 + ---[ end trace 550c46682415b26d ]--- + brcmfmac: brcmf_construct_chaninfo: Ignoring unexpected firmware channel 50 + +This patch adds the missing stuff to properly handle this. + +Reviewed-by: Hante Meuleman +Reviewed-by: Pieter-Paul Giesberts +Reviewed-by: Franky Lin +Signed-off-by: Arend van Spriel +--- + .../net/wireless/broadcom/brcm80211/brcmutil/d11.c | 34 +++++++++++++++++++++- + .../broadcom/brcm80211/include/brcmu_wifi.h | 2 ++ + 2 files changed, 35 insertions(+), 1 deletion(-) + +--- a/drivers/net/wireless/broadcom/brcm80211/brcmutil/d11.c ++++ b/drivers/net/wireless/broadcom/brcm80211/brcmutil/d11.c +@@ -77,6 +77,8 @@ static u16 d11ac_bw(enum brcmu_chan_bw b + return BRCMU_CHSPEC_D11AC_BW_40; + case BRCMU_CHAN_BW_80: + return BRCMU_CHSPEC_D11AC_BW_80; ++ case BRCMU_CHAN_BW_160: ++ return BRCMU_CHSPEC_D11AC_BW_160; + default: + WARN_ON(1); + } +@@ -190,8 +192,38 @@ static void brcmu_d11ac_decchspec(struct + break; + } + break; +- case BRCMU_CHSPEC_D11AC_BW_8080: + case BRCMU_CHSPEC_D11AC_BW_160: ++ switch (ch->sb) { ++ case BRCMU_CHAN_SB_LLL: ++ ch->control_ch_num -= CH_70MHZ_APART; ++ break; ++ case BRCMU_CHAN_SB_LLU: ++ ch->control_ch_num -= CH_50MHZ_APART; ++ break; ++ case BRCMU_CHAN_SB_LUL: ++ ch->control_ch_num -= CH_30MHZ_APART; ++ break; ++ case BRCMU_CHAN_SB_LUU: ++ ch->control_ch_num -= CH_10MHZ_APART; ++ break; ++ case BRCMU_CHAN_SB_ULL: ++ ch->control_ch_num += CH_10MHZ_APART; ++ break; ++ case BRCMU_CHAN_SB_ULU: ++ ch->control_ch_num += CH_30MHZ_APART; ++ break; ++ case BRCMU_CHAN_SB_UUL: ++ ch->control_ch_num += CH_50MHZ_APART; ++ break; ++ case BRCMU_CHAN_SB_UUU: ++ ch->control_ch_num += CH_70MHZ_APART; ++ break; ++ default: ++ WARN_ON_ONCE(1); ++ break; ++ } ++ break; ++ case BRCMU_CHSPEC_D11AC_BW_8080: + default: + WARN_ON_ONCE(1); + break; +--- a/drivers/net/wireless/broadcom/brcm80211/include/brcmu_wifi.h ++++ b/drivers/net/wireless/broadcom/brcm80211/include/brcmu_wifi.h +@@ -29,6 +29,8 @@ + #define CH_UPPER_SB 0x01 + #define CH_LOWER_SB 0x02 + #define CH_EWA_VALID 0x04 ++#define CH_70MHZ_APART 14 ++#define CH_50MHZ_APART 10 + #define CH_30MHZ_APART 6 + #define CH_20MHZ_APART 4 + #define CH_10MHZ_APART 2 diff --git a/package/kernel/mac80211/patches/345-v4.20-0002-brcmfmac-increase-buffer-for-obtaining-firmware-capa.patch b/package/kernel/mac80211/patches/345-v4.20-0002-brcmfmac-increase-buffer-for-obtaining-firmware-capa.patch new file mode 100644 index 0000000000..11fb4bce45 --- /dev/null +++ b/package/kernel/mac80211/patches/345-v4.20-0002-brcmfmac-increase-buffer-for-obtaining-firmware-capa.patch @@ -0,0 +1,28 @@ +From: Arend van Spriel +Date: Wed, 5 Sep 2018 09:48:59 +0200 +Subject: [PATCH] brcmfmac: increase buffer for obtaining firmware capabilities + +When obtaining the firmware capability a buffer is provided of 512 +bytes. However, if all features in firmware are supported the buffer +needs to be 565 bytes as otherwise truncated information is retrieved +from firmware. Increasing the buffer to 768 bytes on stack. + +Reviewed-by: Hante Meuleman +Reviewed-by: Pieter-Paul Giesberts +Reviewed-by: Franky Lin +Signed-off-by: Arend van Spriel +--- + drivers/net/wireless/broadcom/brcm80211/brcmfmac/feature.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/feature.c ++++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/feature.c +@@ -178,7 +178,7 @@ static void brcmf_feat_iovar_data_set(st + ifp->fwil_fwerr = false; + } + +-#define MAX_CAPS_BUFFER_SIZE 512 ++#define MAX_CAPS_BUFFER_SIZE 768 + static void brcmf_feat_firmware_capabilities(struct brcmf_if *ifp) + { + char caps[MAX_CAPS_BUFFER_SIZE];