AuxXxilium/linux_dsm_epyc7002
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4c1975d77b
linux_dsm_epyc7002/drivers/net/ethernet
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Alexander Duyck 4c1975d77b ixgbe: Minor refactor of RSC 
This change addresses several issue.

First I had left the use of the next and prev skb pointers floating around
in the code and they were overdue to be pulled since I had rewritten the
RSC code in the out-of-tree driver some time ago to address issues brought
up by David Miller in regards to this.

I am also now defaulting to always leaving the first buffer unmapped on any
packet and then unmapping it after we read the EOP descriptor.  This allows
a simplification of the path with less branching.

Instead of counting packets received the code was changed some time ago to
track the number of buffers received.  This leads to inaccurate counting
when you compare numbers of packets received by the hardware versus what is
tracked by the software.  To correct this I am revising things so that the
append_cnt value for RSC accurately tracks the number of frames received.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Tested-by: Stephen Ko <stephen.s.ko@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2012-02-10 15:42:09 -08:00
..
3com netdev: ethernet dev_alloc_skb to netdev_alloc_skb 2012-02-08 18:46:38 -05:00
8390 netdev: ethernet dev_alloc_skb to netdev_alloc_skb 2012-02-06 11:41:20 -05:00
adaptec netdev: ethernet dev_alloc_skb to netdev_alloc_skb 2012-02-06 11:41:20 -05:00
adi netdev: ethernet dev_alloc_skb to netdev_alloc_skb 2012-02-08 18:46:38 -05:00
aeroflex netdev: ethernet dev_alloc_skb to netdev_alloc_skb 2012-02-06 11:41:20 -05:00
alteon drivers/net: Remove alloc_etherdev error messages 2012-01-31 16:20:48 -05:00
amd netdev: ethernet dev_alloc_skb to netdev_alloc_skb 2012-02-06 11:41:20 -05:00
apple netdev: ethernet dev_alloc_skb to netdev_alloc_skb 2012-02-08 18:46:38 -05:00
atheros netdev: ethernet dev_alloc_skb to netdev_alloc_skb 2012-02-06 11:41:20 -05:00
broadcom cnic: Update VLAN ID during ISCSI_UEVENT_PATH_UPDATE 2012-02-09 14:03:50 -05:00
brocade bna: Implement ethtool flash_device entry point. 2012-02-01 23:11:59 -05:00
cadence netdev: ethernet dev_alloc_skb to netdev_alloc_skb 2012-02-06 11:48:09 -05:00
calxeda xgmac: cleanups 2012-01-05 13:23:00 -05:00
chelsio drivers/net: Remove alloc_etherdev error messages 2012-01-31 16:20:48 -05:00
cirrus netdev: ethernet dev_alloc_skb to netdev_alloc_skb 2012-02-06 11:48:09 -05:00
cisco enic: Check firmware capability before issuing firmware commands 2012-02-04 16:01:03 -05:00
davicom netdev: ethernet dev_alloc_skb to netdev_alloc_skb 2012-02-06 11:48:09 -05:00
dec netdev: ethernet dev_alloc_skb to netdev_alloc_skb 2012-02-08 18:46:38 -05:00
dlink netdev: ethernet dev_alloc_skb to netdev_alloc_skb 2012-02-06 11:48:09 -05:00
emulex Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2012-02-04 16:39:32 -05:00
faraday net: ftgmac100/ftmac100: add missing interrupt.h include 2012-01-18 21:01:11 -05:00
freescale net: fec: Fix build due to wrong dev annotation 2012-02-07 13:32:50 -05:00
fujitsu netdev: ethernet dev_alloc_skb to netdev_alloc_skb 2012-02-06 11:52:27 -05:00
hp netdev: ethernet dev_alloc_skb to netdev_alloc_skb 2012-02-06 11:52:27 -05:00
i825xx netdev: ethernet dev_alloc_skb to netdev_alloc_skb 2012-02-06 11:52:27 -05:00
ibm drivers/net: Remove alloc_etherdev error messages 2012-01-31 16:20:48 -05:00
icplus netdev: ethernet dev_alloc_skb to netdev_alloc_skb 2012-02-06 11:52:27 -05:00
intel ixgbe: Minor refactor of RSC 2012-02-10 15:42:09 -08:00
marvell netdev: ethernet dev_alloc_skb to netdev_alloc_skb 2012-02-06 11:52:27 -05:00
mellanox netdev: ethernet dev_alloc_skb to netdev_alloc_skb 2012-02-06 11:52:27 -05:00
micrel netdev: ethernet dev_alloc_skb to netdev_alloc_skb 2012-02-06 11:52:27 -05:00
microchip netdev: ethernet dev_alloc_skb to netdev_alloc_skb 2012-02-06 11:52:27 -05:00
myricom drivers/net: Remove alloc_etherdev error messages 2012-01-31 16:20:48 -05:00
natsemi sonice: Fix build due to botched netdev_alloc_skb() conversion. 2012-02-07 15:28:15 -05:00
neterion netdev: ethernet dev_alloc_skb to netdev_alloc_skb 2012-02-06 11:52:27 -05:00
nuvoton netdev: ethernet dev_alloc_skb to netdev_alloc_skb 2012-02-08 18:46:38 -05:00
nvidia netdev: ethernet dev_alloc_skb to netdev_alloc_skb 2012-02-08 18:46:38 -05:00
octeon
oki-semi drivers/net: Remove alloc_etherdev error messages 2012-01-31 16:20:48 -05:00
packetengines netdev: ethernet dev_alloc_skb to netdev_alloc_skb 2012-02-08 18:46:38 -05:00
pasemi netdev: ethernet dev_alloc_skb to netdev_alloc_skb 2012-02-08 18:46:38 -05:00
qlogic netxen_nic: signedness bug in netxen_md_entry_err_chk() 2012-02-08 19:57:55 -05:00
racal netdev: ethernet dev_alloc_skb to netdev_alloc_skb 2012-02-08 18:46:38 -05:00
rdc drivers/net: Remove alloc_etherdev error messages 2012-01-31 16:20:48 -05:00
realtek netdev: ethernet dev_alloc_skb to netdev_alloc_skb 2012-02-08 18:46:38 -05:00
renesas netdev: ethernet dev_alloc_skb to netdev_alloc_skb 2012-02-08 18:46:38 -05:00
seeq netdev: ethernet dev_alloc_skb to netdev_alloc_skb 2012-02-08 18:46:38 -05:00
sfc sfc: Use a more sensible cast in efx_rx_buf_offset() 2012-01-30 16:58:45 +00:00
sgi net: meth: Add set_rx_mode hook to fix ICMPv6 neighbor discovery 2011-12-27 13:17:34 -05:00
silan
sis netdev: ethernet dev_alloc_skb to netdev_alloc_skb 2012-02-08 18:46:38 -05:00
smsc netdev: ethernet dev_alloc_skb to netdev_alloc_skb 2012-02-08 18:46:38 -05:00
stmicro stmmac: Fix typo in stmmac_pci.c 2012-02-08 15:29:15 -05:00
sun netdev: ethernet dev_alloc_skb to netdev_alloc_skb 2012-02-08 18:46:38 -05:00
tehuti netdev: ethernet dev_alloc_skb to netdev_alloc_skb 2012-02-08 18:46:38 -05:00
ti netdev: ethernet dev_alloc_skb to netdev_alloc_skb 2012-02-08 18:46:38 -05:00
tile netdev: ethernet dev_alloc_skb to netdev_alloc_skb 2012-02-08 18:46:38 -05:00
toshiba netdev: ethernet dev_alloc_skb to netdev_alloc_skb 2012-02-08 18:46:38 -05:00
tundra drivers/net: Remove alloc_etherdev error messages 2012-01-31 16:20:48 -05:00
via netdev: ethernet dev_alloc_skb to netdev_alloc_skb 2012-02-08 18:46:38 -05:00
xilinx netdev: ethernet dev_alloc_skb to netdev_alloc_skb 2012-02-08 18:46:38 -05:00
xircom netdev: ethernet dev_alloc_skb to netdev_alloc_skb 2012-02-08 18:46:38 -05:00
xscale ixp4xx-eth: use an unique MDIO bus name. 2012-01-10 16:35:01 -08:00
dnet.c netdev: ethernet dev_alloc_skb to netdev_alloc_skb 2012-02-06 11:48:09 -05:00
dnet.h
ethoc.c drivers/net: Remove alloc_etherdev error messages 2012-01-31 16:20:48 -05:00
fealnx.c netdev: ethernet dev_alloc_skb to netdev_alloc_skb 2012-02-06 11:48:09 -05:00
jme.c drivers/net: Remove alloc_etherdev error messages 2012-01-31 16:20:48 -05:00
jme.h jme: PHY configuration for compatible issue 2011-11-27 19:21:09 -05:00
Kconfig net: add calxeda xgmac ethernet driver 2011-11-29 01:15:24 -05:00
korina.c drivers/net: Remove alloc_etherdev error messages 2012-01-31 16:20:48 -05:00
lantiq_etop.c netdev: ethernet dev_alloc_skb to netdev_alloc_skb 2012-02-06 11:52:27 -05:00
Makefile Driver specific changes 2012-01-09 14:39:22 -08:00
mipsnet.c netdev: ethernet dev_alloc_skb to netdev_alloc_skb 2012-02-06 11:52:27 -05:00
netx-eth.c netdev: ethernet dev_alloc_skb to netdev_alloc_skb 2012-02-08 18:46:38 -05:00
s6gmac.c netdev: ethernet dev_alloc_skb to netdev_alloc_skb 2012-02-08 18:46:38 -05:00