linux_dsm_epyc7002/drivers/net
Mitch Williams f16704e5e8 i40e/i40evf: use pages correctly in Rx
Refactor the packet split Rx code to properly use half-pages for
receives. The previous code was doing way more mapping and unmapping
than it needed to, and wasn't properly using half-pages.

Increment the page use count each time we give a half-page to an skb,
knowing that the stack will probably process and release the page before
we need it again. Only free and reallocate pages if the count shows that
both half-pages are in use. Add counters to track reallocations and page
reuse.

Change-ID: I534b299196036b64be82b4861a0a4036310a8f22
Signed-off-by: Mitch Williams <mitch.a.williams@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2016-02-17 15:22:22 -08:00
..
appletalk
arcnet
bonding bonding: use return instead of goto 2016-02-11 09:57:00 -05:00
caif
can
cris
dsa net: dsa: mv88e6xxx: fix port VLAN maps 2016-01-29 19:41:27 -08:00
ethernet i40e/i40evf: use pages correctly in Rx 2016-02-17 15:22:22 -08:00
fddi defxx: fix build warning 2016-01-25 10:51:52 -08:00
fjes
hamradio dmascc: Return correct error codes 2016-02-16 15:32:34 -05:00
hippi
hyperv hv_netvsc: cleanup netdev feature flags for netvsc 2016-02-11 07:17:58 -05:00
ieee802154 ieee802154: cc2520: Check CRC & add promiscuous 2016-01-03 09:17:42 +01:00
ipvlan ipvlan: inherit MTU from master device 2016-02-04 19:18:53 -05:00
irda net/irda: bfin_sir: remove duplicate defines 2016-01-21 10:45:45 -08:00
phy net: phy: spi_ks8995: include linux/gpio/consumer.h 2016-02-16 20:37:04 -05:00
plip net: plip: use new parport device model 2016-01-09 21:02:05 -05:00
ppp pptp: fix illegal memory access caused by multiple bind()s 2016-01-24 22:18:26 -08:00
slip
team team: track sum of rx_nohandler for all slaves 2016-02-06 02:59:51 -05:00
usb lan78xx: throttle TX path at slower than SuperSpeed USB 2016-01-28 22:51:43 -08:00
vmxnet3 Driver: Vmxnet3: Fix regression caused by 5738a09 2016-01-06 16:20:13 -05:00
wan x25_asy: Free x25_asy on x25_asy_open() failure. 2016-01-13 11:45:39 -05:00
wimax
wireless Major changes: 2016-02-16 20:38:29 -05:00
xen-netback xen-netback: implement dynamic multicast control 2016-02-07 13:58:36 -05:00
dummy.c
eql.c
geneve.c geneve: add dst caching support 2016-02-16 20:21:49 -05:00
ifb.c
Kconfig
LICENSE.SRC
loopback.c sctp: Rename NETIF_F_SCTP_CSUM to NETIF_F_SCTP_CRC 2015-12-15 16:49:58 -05:00
macvlan.c macvlan: convert to use IFF_NO_QUEUE 2016-02-17 15:19:44 -05:00
macvtap.c net: Rename NETIF_F_ALL_CSUM to NETIF_F_CSUM_MASK 2015-12-15 16:50:08 -05:00
Makefile
mdio.c
mii.c
netconsole.c
nlmon.c
ntb_netdev.c
rionet.c
sb1000.c
Space.c
sungem_phy.c
tun.c tun: honor IFF_UP in tun_get_user() 2015-12-17 15:25:57 -05:00
veth.c veth: don’t modify ip_summed; doing so treats packets with bad checksums as good. 2015-12-22 15:15:34 -05:00
virtio_net.c virtio_net: validate ethtool port setting and explain the user validation 2016-02-11 11:55:38 -05:00
vrf.c vrf: duplicate include of rtnetlink.h 2016-02-11 09:45:24 -05:00
vxlan.c net: add dst_cache to ovs vxlan lwtunnel 2016-02-16 20:21:48 -05:00
xen-netfront.c xen-netfront: request Tx response events more often 2016-01-28 16:08:55 -08:00