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From: Sasha Levin <sashal@kernel.org>
To: linux-kernel@vger.kernel.org, stable@vger.kernel.org
Cc: Thor Thayer <thor.thayer@linux.intel.com>,
	"David S . Miller" <davem@davemloft.net>,
	Sasha Levin <sashal@kernel.org>,
	netdev@vger.kernel.org
Subject: [PATCH AUTOSEL 4.19 24/57] net: stmmac: Set OWN bit for jumbo frames
Date: Fri, 29 Mar 2019 21:28:17 -0400	[thread overview]
Message-ID: <20190330012854.32212-24-sashal@kernel.org> (raw)
In-Reply-To: <20190330012854.32212-1-sashal@kernel.org>

From: Thor Thayer <thor.thayer@linux.intel.com>

[ Upstream commit 487e2e22ab7968f2c0c82f37b5ca5883efd1a354 ]

Ping with Jumbo packet does not reply and get a watchdog timeout

[   46.059616] ------------[ cut here ]------------
[   46.064268] NETDEV WATCHDOG: eth0 (socfpga-dwmac): transmit queue 0 timed out
[   46.071471] WARNING: CPU: 1 PID: 0 at net/sched/sch_generic.c:461 dev_watchdog+0x2cc/0x2d8
[   46.079708] Modules linked in:
[   46.082761] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 4.18.0-00115-gc262be665854-dirty #264
[   46.091082] Hardware name: SoCFPGA Stratix 10 SoCDK (DT)
[   46.096377] pstate: 20000005 (nzCv daif -PAN -UAO)
[   46.101152] pc : dev_watchdog+0x2cc/0x2d8
[   46.105149] lr : dev_watchdog+0x2cc/0x2d8
[   46.109144] sp : ffff00000800bd80
[   46.112447] x29: ffff00000800bd80 x28: ffff80007a9b4940
[   46.117744] x27: 00000000ffffffff x26: ffff80007aa183b0
[   46.123040] x25: 0000000000000001 x24: 0000000000000140
[   46.128336] x23: ffff80007aa1839c x22: ffff80007aa17fb0
[   46.133632] x21: ffff80007aa18000 x20: ffff0000091a7000
[   46.138927] x19: 0000000000000000 x18: ffffffffffffffff
[   46.144223] x17: 0000000000000000 x16: 0000000000000000
[   46.149519] x15: ffff0000091a96c8 x14: 07740775076f0720
[   46.154814] x13: 07640765076d0769 x12: 0774072007300720
[   46.160110] x11: 0765077507650775 x10: 0771072007740769
[   46.165406] x9 : 076d0773076e0761 x8 : 077207740720073a
[   46.170702] x7 : 072907630761076d x6 : ffff80007ff9a0c0
[   46.175997] x5 : ffff80007ff9a0c0 x4 : 0000000000000002
[   46.181293] x3 : 0000000000000000 x2 : ffff0000091ac180
[   46.186589] x1 : e6a742ebe628e800 x0 : 0000000000000000
[   46.191885] Call trace:
[   46.194326]  dev_watchdog+0x2cc/0x2d8
[   46.197980]  call_timer_fn+0x20/0x78
[   46.201544]  expire_timers+0xa4/0xb0
[   46.205108]  run_timer_softirq+0xe4/0x198
[   46.209107]  __do_softirq+0x114/0x210
[   46.212760]  irq_exit+0xd0/0xd8
[   46.215895]  __handle_domain_irq+0x60/0xb0
[   46.219977]  gic_handle_irq+0x58/0xa8
[   46.223628]  el1_irq+0xb0/0x128
[   46.226761]  arch_cpu_idle+0x10/0x18
[   46.230326]  do_idle+0x1d4/0x288
[   46.233544]  cpu_startup_entry+0x24/0x28
[   46.237457]  secondary_start_kernel+0x17c/0x1c0
[   46.241971] ---[ end trace 57048cd1372cd828 ]---

Inspection of queue showed Jumbo packets were not sent out.
The ring Jumbo packet function needs to set the OWN bit so
the packet is sent.

Signed-off-by: Thor Thayer <thor.thayer@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/net/ethernet/stmicro/stmmac/ring_mode.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/stmicro/stmmac/ring_mode.c b/drivers/net/ethernet/stmicro/stmmac/ring_mode.c
index bc83ced94e1b..d8c5bc412219 100644
--- a/drivers/net/ethernet/stmicro/stmmac/ring_mode.c
+++ b/drivers/net/ethernet/stmicro/stmmac/ring_mode.c
@@ -59,7 +59,7 @@ static int jumbo_frm(void *p, struct sk_buff *skb, int csum)
 
 		desc->des3 = cpu_to_le32(des2 + BUF_SIZE_4KiB);
 		stmmac_prepare_tx_desc(priv, desc, 1, bmax, csum,
-				STMMAC_RING_MODE, 0, false, skb->len);
+				STMMAC_RING_MODE, 1, false, skb->len);
 		tx_q->tx_skbuff[entry] = NULL;
 		entry = STMMAC_GET_ENTRY(entry, DMA_TX_SIZE);
 
@@ -91,7 +91,7 @@ static int jumbo_frm(void *p, struct sk_buff *skb, int csum)
 		tx_q->tx_skbuff_dma[entry].is_jumbo = true;
 		desc->des3 = cpu_to_le32(des2 + BUF_SIZE_4KiB);
 		stmmac_prepare_tx_desc(priv, desc, 1, nopaged_len, csum,
-				STMMAC_RING_MODE, 0, true, skb->len);
+				STMMAC_RING_MODE, 1, true, skb->len);
 	}
 
 	tx_q->cur_tx = entry;
-- 
2.19.1


  parent reply	other threads:[~2019-03-30  1:29 UTC|newest]

Thread overview: 49+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-03-30  1:27 [PATCH AUTOSEL 4.19 01/57] drm/cirrus: Use drm_framebuffer_put to avoid kernel oops in clean-up Sasha Levin
2019-03-30  1:27 ` [PATCH AUTOSEL 4.19 02/57] gpio: pxa: handle corner case of unprobed device Sasha Levin
2019-03-30  1:27 ` [PATCH AUTOSEL 4.19 03/57] rsi: improve kernel thread handling to fix kernel panic Sasha Levin
2019-03-30  1:27 ` [PATCH AUTOSEL 4.19 04/57] f2fs: fix to avoid NULL pointer dereference on se->discard_map Sasha Levin
2019-03-30  1:27 ` [PATCH AUTOSEL 4.19 05/57] 9p: do not trust pdu content for stat item size Sasha Levin
2019-03-30  1:27 ` [PATCH AUTOSEL 4.19 06/57] 9p locks: add mount option for lock retry interval Sasha Levin
2019-03-30  1:28 ` [PATCH AUTOSEL 4.19 07/57] ASoC: Fix UBSAN warning at snd_soc_get/put_volsw_sx() Sasha Levin
2019-03-30  1:28 ` [PATCH AUTOSEL 4.19 08/57] f2fs: fix to do sanity check with current segment number Sasha Levin
2019-03-30  1:28 ` [PATCH AUTOSEL 4.19 09/57] netfilter: xt_cgroup: shrink size of v2 path Sasha Levin
2019-03-30  1:28 ` [PATCH AUTOSEL 4.19 10/57] serial: uartps: console_setup() can't be placed to init section Sasha Levin
2019-03-30  1:28 ` [PATCH AUTOSEL 4.19 11/57] powerpc/pseries: Remove prrn_work workqueue Sasha Levin
2019-03-30  1:28 ` [PATCH AUTOSEL 4.19 12/57] media: au0828: cannot kfree dev before usb disconnect Sasha Levin
2019-03-30  1:28 ` [PATCH AUTOSEL 4.19 13/57] Bluetooth: Fix debugfs NULL pointer dereference Sasha Levin
2019-03-30  1:28 ` [PATCH AUTOSEL 4.19 14/57] HID: i2c-hid: override HID descriptors for certain devices Sasha Levin
2019-03-30  1:28 ` [PATCH AUTOSEL 4.19 15/57] pinctrl: core: make sure strcmp() doesn't get a null parameter Sasha Levin
2019-03-30  1:28 ` [PATCH AUTOSEL 4.19 16/57] ARM: samsung: Limit SAMSUNG_PM_CHECK config option to non-Exynos platforms Sasha Levin
2019-03-30  1:28 ` [PATCH AUTOSEL 4.19 17/57] usbip: fix vhci_hcd controller counting Sasha Levin
2019-03-30  1:28 ` [PATCH AUTOSEL 4.19 18/57] ACPI / SBS: Fix GPE storm on recent MacBookPro's Sasha Levin
2019-03-30  1:28 ` [PATCH AUTOSEL 4.19 19/57] HID: usbhid: Add quirk for Redragon/Dragonrise Seymur 2 Sasha Levin
2019-03-30  1:28 ` [PATCH AUTOSEL 4.19 20/57] KVM: nVMX: restore host state in nested_vmx_vmexit for VMFail Sasha Levin
2019-03-30  1:28 ` [PATCH AUTOSEL 4.19 21/57] compiler.h: update definition of unreachable() Sasha Levin
2019-03-30  1:28 ` [PATCH AUTOSEL 4.19 22/57] netfilter: nf_flow_table: remove flowtable hook flush routine in netns exit routine Sasha Levin
2019-03-30  1:28 ` [PATCH AUTOSEL 4.19 23/57] f2fs: cleanup dirty pages if recover failed Sasha Levin
2019-03-30  1:28 ` Sasha Levin [this message]
2019-03-30  1:28 ` [PATCH AUTOSEL 4.19 25/57] cifs: fallback to older infolevels on findfirst queryinfo retry Sasha Levin
2019-03-30  1:28 ` [PATCH AUTOSEL 4.19 26/57] kernel: hung_task.c: disable on suspend Sasha Levin
2019-03-30  1:28 ` [PATCH AUTOSEL 4.19 27/57] platform/x86: Add Intel AtomISP2 dummy / power-management driver Sasha Levin
2019-03-30  1:28 ` [PATCH AUTOSEL 4.19 28/57] nvme-pci: fix conflicting p2p resource adds Sasha Levin
2019-04-01 17:36   ` Heitke, Kenneth
2019-03-30  1:28 ` [PATCH AUTOSEL 4.19 29/57] drm/ttm: Fix bo_global and mem_global kfree error Sasha Levin
2019-03-30  1:28 ` [PATCH AUTOSEL 4.19 30/57] ALSA: hda: fix front speakers on Huawei MBXP Sasha Levin
2019-03-30  1:28 ` [PATCH AUTOSEL 4.19 31/57] ACPI: EC / PM: Disable non-wakeup GPEs for suspend-to-idle Sasha Levin
2019-03-30  1:28 ` [PATCH AUTOSEL 4.19 32/57] net/rds: fix warn in rds_message_alloc_sgs Sasha Levin
2019-03-30  1:28 ` [PATCH AUTOSEL 4.19 33/57] blk-mq: protect debugfs_create_files() from failures Sasha Levin
2019-03-30  5:43   ` Greg Kroah-Hartman
2019-04-03 16:17     ` Sasha Levin
2019-03-30  1:28 ` [PATCH AUTOSEL 4.19 34/57] xfrm: destroy xfrm_state synchronously on net exit path Sasha Levin
2019-03-30  1:28 ` [PATCH AUTOSEL 4.19 35/57] crypto: sha256/arm - fix crash bug in Thumb2 build Sasha Levin
2019-03-30  1:28 ` [PATCH AUTOSEL 4.19 36/57] crypto: sha512/arm " Sasha Levin
2019-03-30  1:28 ` [PATCH AUTOSEL 4.19 37/57] net: ip6_gre: fix possible NULL pointer dereference in ip6erspan_set_version Sasha Levin
2019-03-30  1:28 ` [PATCH AUTOSEL 4.19 38/57] iommu/dmar: Fix buffer overflow during PCI bus notification Sasha Levin
2019-03-30  1:28 ` [PATCH AUTOSEL 4.19 39/57] scsi: core: Avoid that system resume triggers a kernel warning Sasha Levin
2019-03-30  1:28 ` [PATCH AUTOSEL 4.19 40/57] kvm: properly check debugfs dentry before using it Sasha Levin
2019-03-30  5:43   ` Greg Kroah-Hartman
2019-04-03 16:16     ` Sasha Levin
2019-03-30  1:28 ` [PATCH AUTOSEL 4.19 41/57] soc/tegra: pmc: Drop locking from tegra_powergate_is_powered() Sasha Levin
2019-03-30  1:28 ` [PATCH AUTOSEL 4.19 42/57] ext4: prohibit fstrim in norecovery mode Sasha Levin
2019-03-30  1:28 ` [PATCH AUTOSEL 4.19 43/57] lkdtm: Print real addresses Sasha Levin
2019-03-30  1:28 ` [PATCH AUTOSEL 4.19 44/57] lkdtm: Add tests for NULL pointer dereference Sasha Levin

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