AuxXxilium/linux_dsm_epyc7002
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c1b3bdb2ff
linux_dsm_epyc7002/drivers/net/ethernet
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Suresh Reddy c1b3bdb2ff be2net: gather debug info and reset adapter (only for Lancer) on a tx-timeout 
This patch handles a TX-timeout as follows:

1) This patch gathers and prints the following info that can
   help in diagnosing the cause of a TX-timeout.
   a) TX queue and completion queue entries.
   b) SKB and TCP/UDP header details.

2) For Lancer NICs (TX-timeout recovery is not supported for
   BE3/Skyhawk-R NICs), it recovers from the TX timeout as follows:

   a) On a TX-timeout, driver sets the PHYSDEV_CONTROL_FW_RESET_MASK
      bit in the PHYSDEV_CONTROL register. Lancer firmware goes into
      an error state and indicates this back to the driver via a bit
      in a doorbell register.
   b) Driver detects this and calls be_err_recover(). DMA is disabled,
      all pending TX skbs are unmapped and freed (be_close()). All rings
      are destroyed (be_clear()).
   c) The driver waits for the FW to re-initialize and re-creates all
      rings along with other data structs (be_resume())

Signed-off-by: Suresh Reddy <suresh.reddy@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-08-01 09:39:09 -07:00
..
3com net: prevent ISA drivers from building on PPC32 2018-07-22 11:12:29 -07:00
8390
adaptec net: adaptec: Replace mdelay() with msleep() in starfire_init_one() 2018-07-26 21:24:23 -07:00
aeroflex
agere
alacritech
allwinner
alteon net: alteon: acenic: remove redundant pointer rxdesc 2018-07-04 22:39:10 +09:00
altera
amazon net: allow fallback function to pass netdev 2018-07-09 13:57:25 -07:00
amd net: amd: pcnet32: Replace GFP_ATOMIC with GFP_KERNEL in pcnet32_alloc_ring() 2018-07-27 13:45:14 -07:00
apm net: Remove depends on HAS_DMA in case of platform dependency 2018-06-23 10:44:30 +09:00
apple
aquantia Merge ra.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux 2018-07-20 21:17:12 -07:00
arc net: Remove depends on HAS_DMA in case of platform dependency 2018-06-23 10:44:30 +09:00
atheros Merge ra.kernel.org:/pub/scm/linux/kernel/git/davem/net 2018-07-24 19:21:58 -07:00
aurora net: ethernet: Make NET_VENDOR_AURORA default to yes 2018-07-05 20:05:54 +09:00
broadcom Merge ra.kernel.org:/pub/scm/linux/kernel/git/davem/net 2018-07-24 19:21:58 -07:00
brocade treewide: kzalloc() -> kcalloc() 2018-06-12 16:19:22 -07:00
cadence Merge ra.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux 2018-07-20 21:17:12 -07:00
calxeda net: Remove depends on HAS_DMA in case of platform dependency 2018-06-23 10:44:30 +09:00
cavium liquidio: remove redundant function cn23xx_dump_iq_regs 2018-07-30 09:27:21 -07:00
chelsio cxgb4: print ULD queue information managed by LLD 2018-07-27 13:36:04 -07:00
cirrus net: prevent ISA drivers from building on PPC32 2018-07-22 11:12:29 -07:00
cisco enic: do not overwrite error code 2018-06-20 08:10:13 +09:00
cortina net: gemini: Indicate that we can handle jumboframes 2018-07-12 17:39:15 -07:00
davicom
dec
dlink
emulex be2net: gather debug info and reset adapter (only for Lancer) on a tx-timeout 2018-08-01 09:39:09 -07:00
ezchip
faraday net/ncsi: Silence debug messages 2018-06-20 07:26:58 +09:00
freescale net: ethernet: fs-enet: Use generic CRC32 implementation 2018-07-25 13:40:39 -07:00
fujitsu
hisilicon net: hisilicon: hns: Replace mdelay() with msleep() 2018-07-27 13:45:14 -07:00
hp
huawei Merge ra.kernel.org:/pub/scm/linux/kernel/git/davem/net 2018-07-24 19:21:58 -07:00
i825xx
ibm ibmvnic: Fix error recovery on login failure 2018-07-16 14:39:47 -07:00
intel ixgbe: Refactor queue disable logic to take completion time into account 2018-07-26 09:04:06 -07:00
marvell net: mvneta: Improve the buffer allocation method for SWBM 2018-07-28 22:12:55 -07:00
mediatek net-next: mediatek: cleanup unnecessary get chip id and its user 2018-07-29 13:15:57 -07:00
mellanox net/mlx5e: Fix uninitialized variable 2018-08-01 09:38:05 -07:00
micrel ethernet: micrel: remove redundant pointer 'info' 2018-07-04 22:39:11 +09:00
microchip lan743x: Make symbol lan743x_pm_ops static 2018-07-25 16:37:55 -07:00
moxa treewide: kmalloc() -> kmalloc_array() 2018-06-12 16:19:22 -07:00
mscc net: mscc: simplify retrieving the tag type from the frame header 2018-07-16 13:43:31 -07:00
myricom
natsemi net/sonic: Use dma_mapping_error() 2018-05-31 14:17:33 -04:00
neterion vxge: Remove unnecessary include of <linux/pci_hotplug.h> 2018-07-25 13:52:38 -07:00
netronome nfp: protect from theoretical size overflows on HW descriptor ring 2018-07-25 22:17:44 -07:00
ni treewide: devm_kzalloc() -> devm_kcalloc() 2018-06-12 16:19:22 -07:00
nuvoton
nvidia net: nvidia: forcedeth: Replace GFP_ATOMIC with GFP_KERNEL in nv_probe() 2018-07-27 13:45:14 -07:00
nxp
oki-semi net: pch_gbe: Clean up pch_gbe_set_multi 2018-06-23 20:52:09 +09:00
packetengines net: ethernet: Add missing VENDOR to Cadence and Packet Engines symbols 2018-07-05 20:05:54 +09:00
pasemi treewide: kzalloc() -> kcalloc() 2018-06-12 16:19:22 -07:00
qlogic qed: Make some functions static 2018-08-01 09:37:15 -07:00
qualcomm Merge ra.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux 2018-07-20 21:17:12 -07:00
rdc
realtek Merge ra.kernel.org:/pub/scm/linux/kernel/git/davem/net 2018-07-24 19:21:58 -07:00
renesas sh_eth: make sh_eth_tsu_{read|write}_entry() prototypes symmetric 2018-07-23 12:34:50 -07:00
rocker rocker: rocker_main: Ignore bridge VLAN events 2018-05-31 14:13:43 -04:00
samsung
seeq
sfc Merge ra.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux 2018-07-20 21:17:12 -07:00
sgi
silan
sis
smsc epic100: remove redundant variable 'irq' 2018-07-04 22:39:11 +09:00
socionext net: socionext: remove redundant pointer ndev 2018-07-05 19:30:26 +09:00
stmicro Merge ra.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux 2018-07-20 21:17:12 -07:00
sun net: allow ndo_select_queue to pass netdev 2018-07-09 13:41:34 -07:00
synopsys
tehuti net: tehuti: remove redundant pointer skb 2018-07-05 19:33:39 +09:00
ti net: ethernet: ti: cpsw: replace unnecessarily macroses on functions 2018-08-01 09:29:24 -07:00
toshiba treewide: kzalloc() -> kcalloc() 2018-06-12 16:19:22 -07:00
tundra
via
wiznet
xilinx Merge ra.kernel.org:/pub/scm/linux/kernel/git/davem/net 2018-07-24 19:21:58 -07:00
xircom
xscale
dnet.c
dnet.h
ec_bhf.c
ethoc.c treewide: devm_kzalloc() -> devm_kcalloc() 2018-06-12 16:19:22 -07:00
fealnx.c
jme.c net: jme: Replace mdelay() with msleep() and usleep_range() in jme_wait_link() 2018-07-27 13:45:14 -07:00
jme.h
Kconfig
korina.c
lantiq_etop.c net: Add generic ndo_select_queue functions 2018-07-09 13:15:34 -07:00
Makefile net: ethernet: sfc: Make subdir logic consistent with other vendors 2018-07-05 20:05:54 +09:00
netx-eth.c