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0ca00fc1f8
linux/drivers/net/ethernet
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Eli Cohen 0ca00fc1f8 net/mlx5e: Fix blue flame quota logic 
Blue flame is a latency enhancement feature that allows the driver to
write the packet data directly to the NIC's registers thus making the
read of the packet data from host memory redundant.

We maintain a quota for the blue flame which is reloaded whenever we
identify that the hardware is processing send requests and processes
them fast enough so by the time we post the next send request it was
able to process all the pending ones. This indicates that the hardware
is capable of processing more blue flame requests efficiently. The blue
flame quota is decremented whenever we send using blue flame.

The current code erroneously clears the budget if we did not use blue
flame for the current post send operation and we fix it here.

Fixes: 88a85f99e5 ('net/mlx5e: TX latency optimization to save DMA reads')
Signed-off-by: Eli Cohen <eli@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-06-09 22:06:27 -07:00
..
3com treewide: replace dev->trans_start update with helper 2016-05-04 14:16:49 -04:00
8390 treewide: replace dev->trans_start update with helper 2016-05-04 14:16:49 -04:00
adaptec treewide: replace dev->trans_start update with helper 2016-05-04 14:16:49 -04:00
adi treewide: replace dev->trans_start update with helper 2016-05-04 14:16:49 -04:00
aeroflex aeroflex/greth: fix warning about unused variable 2016-05-20 18:33:37 -07:00
agere treewide: replace dev->trans_start update with helper 2016-05-04 14:16:49 -04:00
allwinner treewide: replace dev->trans_start update with helper 2016-05-04 14:16:49 -04:00
alteon
altera net: eth: altera: do not free array priv->mdio->irq 2016-03-06 22:59:18 -05:00
amd net: au1000 eth: simplify logical expression 2016-05-19 11:32:05 -07:00
apm Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2016-05-15 13:32:48 -04:00
apple
arc net: arc: trivial: Replace comma with a semicolon 2016-05-25 22:13:15 -07:00
atheros net: alx: use custom skb allocator 2016-05-25 19:52:27 -04:00
aurora
broadcom bnxt_en: Simplify VLAN receive logic. 2016-06-07 16:02:03 -07:00
brocade
cadence Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2016-05-04 00:52:29 -04:00
calxeda
cavium Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2016-05-20 20:01:26 -07:00
chelsio cxgb4: Add device id of T540-BT adapter 2016-06-08 10:23:46 -07:00
cirrus
cisco enic: set netdev->vlan_features 2016-04-18 14:53:21 -04:00
davicom drivers: net: Don't print unpopulated net_device name 2016-05-17 12:30:19 -04:00
dec treewide: replace dev->trans_start update with helper 2016-05-04 14:16:49 -04:00
dlink treewide: replace dev->trans_start update with helper 2016-05-04 14:16:49 -04:00
emulex benet: be_resume needs to protect be_open with rtnl_lock 2016-04-21 15:35:07 -04:00
ezchip net: nps_enet: Disable interrupts before napi reschedule 2016-05-29 22:35:21 -07:00
faraday net: ethernet: ftgmac100: use phy_ethtool_{get|set}_link_ksettings 2016-05-16 21:51:41 -04:00
freescale net: fec: fix spelling mistakes and add missing newline 2016-06-07 16:15:59 -07:00
fujitsu treewide: replace dev->trans_start update with helper 2016-05-04 14:16:49 -04:00
hisilicon net: hns: avoid null pointer dereference 2016-05-23 13:54:03 -07:00
hp treewide: replace dev->trans_start update with helper 2016-05-04 14:16:49 -04:00
i825xx treewide: replace dev->trans_start update with helper 2016-05-04 14:16:49 -04:00
ibm net: ehea: avoid null pointer dereference 2016-05-19 11:25:30 -07:00
intel intel: Add support for IPv6 IP-in-IP offload 2016-05-20 19:25:52 -04:00
marvell net: mvneta: Fix lacking spinlock initialization 2016-05-25 12:35:08 -07:00
mediatek net-next: mediatek: properly handle RGMII modes 2016-06-03 19:54:16 -04:00
mellanox net/mlx5e: Fix blue flame quota logic 2016-06-09 22:06:27 -07:00
micrel drivers: net: Don't print unpopulated net_device name 2016-05-17 12:30:19 -04:00
microchip treewide: replace dev->trans_start update with helper 2016-05-04 14:16:49 -04:00
moxa treewide: replace dev->trans_start update with helper 2016-05-04 14:16:49 -04:00
myricom myri10ge: fix sleeping with bh disabled 2016-04-28 14:21:14 -04:00
natsemi treewide: replace dev->trans_start update with helper 2016-05-04 14:16:49 -04:00
neterion drivers: net: remove NETDEV_TX_LOCKED 2016-04-26 15:53:05 -04:00
netronome nfp: add async reconfiguration mechanism 2016-04-16 22:34:40 -04:00
nuvoton treewide: replace dev->trans_start update with helper 2016-05-04 14:16:49 -04:00
nvidia
nxp
oki-semi pch_gbe: replace private tx ring lock with common netif_tx_lock 2016-04-28 17:19:58 -04:00
packetengines treewide: replace dev->trans_start update with helper 2016-05-04 14:16:49 -04:00
pasemi
qlogic qed: fix qed_fill_link() error handling 2016-06-01 22:04:54 -07:00
qualcomm treewide: replace dev->trans_start update with helper 2016-05-04 14:16:49 -04:00
rdc
realtek r8169: default to 64-bit DMA on recent PCIe chips 2016-05-17 14:31:09 -04:00
renesas ravb: Add missing free_irq() calls to ravb_close() 2016-05-17 12:26:56 -04:00
rocker switchdev: pass pointer to fib_info instead of copy 2016-05-17 13:58:49 -04:00
samsung net: sxgbe: fix error paths in sxgbe_platform_probe() 2016-03-27 22:39:22 -04:00
seeq treewide: replace dev->trans_start update with helper 2016-05-04 14:16:49 -04:00
sfc sfc: report supported link speeds on SFP connections 2016-06-08 11:18:45 -07:00
sgi treewide: replace dev->trans_start update with helper 2016-05-04 14:16:49 -04:00
silan
sis treewide: replace dev->trans_start update with helper 2016-05-04 14:16:49 -04:00
smsc treewide: replace dev->trans_start update with helper 2016-05-04 14:16:49 -04:00
stmicro stmmac: do not sleep in atomic context for mdio_reset 2016-06-02 12:12:16 -07:00
sun treewide: replace dev->trans_start update with helper 2016-05-04 14:16:49 -04:00
synopsys treewide: replace dev->trans_start update with helper 2016-05-04 14:16:49 -04:00
tehuti treewide: replace dev->trans_start update with helper 2016-05-04 14:16:49 -04:00
ti net: ethernet: ti: cpsw: fix rx-usecs interrupt pacing consistency 2016-06-03 19:35:06 -04:00
tile drivers: fix dev->trans_start removal fallout 2016-05-04 17:07:14 -04:00
toshiba ps3_gelic: use kmemdup 2016-05-20 19:50:07 -04:00
tundra net: tsi108: use NULL for pointer-typed argument 2016-04-26 01:10:26 -04:00
via treewide: replace dev->trans_start update with helper 2016-05-04 14:16:49 -04:00
wiznet net: w5100-spi: add support to specify MAC address by device tree 2016-05-16 13:55:49 -04:00
xilinx treewide: replace dev->trans_start update with helper 2016-05-04 14:16:49 -04:00
xircom treewide: replace dev->trans_start update with helper 2016-05-04 14:16:49 -04:00
xscale
dnet.c
dnet.h
ec_bhf.c
ethoc.c net/ethoc: fix null dereference on error exit path 2016-06-01 22:02:01 -07:00
fealnx.c treewide: replace dev->trans_start update with helper 2016-05-04 14:16:49 -04:00
jme.c drivers/net/ethernet/jme.c: Deinline jme_reset_mac_processor, save 2816 bytes 2016-04-13 22:57:00 -04:00
jme.h
Kconfig netdev: Move octeon/octeon_mgmt driver to cavium directory. 2016-03-18 18:25:30 -04:00
korina.c treewide: replace dev->trans_start update with helper 2016-05-04 14:16:49 -04:00
lantiq_etop.c treewide: replace dev->trans_start update with helper 2016-05-04 14:16:49 -04:00
Makefile netdev: Move octeon/octeon_mgmt driver to cavium directory. 2016-03-18 18:25:30 -04:00
netx-eth.c drivers: net: Don't print unpopulated net_device name 2016-05-17 12:30:19 -04:00