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acb600def2
linux/drivers/net/ethernet
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Eric Dumazet acb600def2 net: remove skb recycling 
Over time, skb recycling infrastructure got litle interest and
many bugs. Generic rx path skb allocation is now using page
fragments for efficient GRO / TCP coalescing, and recyling
a tx skb for rx path is not worth the pain.

Last identified bug is that fat skbs can be recycled
and it can endup using high order pages after few iterations.

With help from Maxime Bizon, who pointed out that commit
87151b8689 (net: allow pskb_expand_head() to get maximum tailroom)
introduced this regression for recycled skbs.

Instead of fixing this bug, lets remove skb recycling.

Drivers wanting really hot skbs should use build_skb() anyway,
to allocate/populate sk_buff right before netif_receive_skb()

Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Maxime Bizon <mbizon@freebox.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-10-07 00:40:54 -04:00
..
3com treewide: fix comment/printk/variable typos 2012-09-01 10:33:05 -07:00
8390 sections: fix section conflicts in drivers/net 2012-10-06 03:04:42 +09:00
adaptec sections: fix section conflicts in drivers/net 2012-10-06 03:04:42 +09:00
adi
aeroflex
alteon
amd lance: remove unnecessary setting of skb->dev 2012-07-10 23:24:56 -07:00
apple
atheros sections: fix section conflicts in drivers/net 2012-10-06 03:04:42 +09:00
broadcom bnx2x: fix ring size for 10G functions 2012-10-03 16:34:15 -04:00
brocade bna: Fix warning false positive. 2012-09-27 18:31:58 -04:00
cadence at91ether: return PTR_ERR if call to clk_get fails 2012-09-20 22:21:40 -04:00
calxeda net: remove skb recycling 2012-10-07 00:40:54 -04:00
chelsio cxgb4: Fix build error due to missing linux/vmalloc.h include. 2012-10-03 20:50:08 -04:00
cirrus cs89x0 : packet reception not working 2012-08-31 15:48:56 -04:00
cisco enic: remove unnecessary setting of skb->dev 2012-07-10 23:24:56 -07:00
davicom
dec drivers/net/ethernet/dec/tulip: Use standard __set_bit_le() function 2012-10-06 03:04:55 +09:00
dlink sections: fix section conflicts in drivers/net 2012-10-06 03:04:42 +09:00
emulex Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2012-10-02 13:38:27 -07:00
faraday net: ftgmac100/ftmac100: dont pull too much data 2012-07-18 09:40:53 -07:00
freescale net: remove skb recycling 2012-10-07 00:40:54 -04:00
fujitsu
hp
i825xx net: Make ZNET driver config depend on X86. 2012-09-22 18:11:32 -04:00
ibm Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc 2012-10-06 03:16:12 +09:00
icplus
intel ixgbe: add support for X540-AT1 2012-10-03 08:38:30 -07:00
marvell net: remove skb recycling 2012-10-07 00:40:54 -04:00
mellanox First batch of InfiniBand/RDMA changes for the 3.7 merge window: 2012-10-02 17:20:40 -07:00
micrel ethernet: Use eth_random_addr 2012-07-16 22:38:27 -07:00
microchip
myricom myri10ge: Use PCI Express Capability accessors 2012-08-23 10:11:14 -06:00
natsemi
neterion Merge branch 'for-3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq 2012-10-02 09:54:49 -07:00
nuvoton
nvidia forcedeth: prevent TX timeouts after reboot 2012-08-30 13:04:57 -04:00
nxp lpc_eth: remove obsolete ifdefs 2012-08-08 16:07:51 -07:00
octeon netdev: octeon: fix return value check in octeon_mgmt_init_phy() 2012-09-28 01:18:32 -04:00
oki-semi pch_gbe: Fix PTP dependencies. 2012-10-02 22:34:04 -04:00
packetengines
pasemi netdev: pasemi: fix return value check in pasemi_mac_phy_init() 2012-09-27 13:20:50 -04:00
qlogic sections: fix section conflicts in drivers/net 2012-10-06 03:04:42 +09:00
racal
rdc r6040: use module_pci_driver macro 2012-07-09 14:42:30 -07:00
realtek sections: fix section conflicts in drivers/net 2012-10-06 03:04:42 +09:00
renesas net: sh_eth: Add eth support for R8A7779 device 2012-08-20 02:16:54 -07:00
seeq Merge branch 'cleanup/__iomem' into next/cleanup 2012-09-22 10:24:29 -07:00
sfc drivers/net/ethernet/sfc: use standard __{clear,set}_bit_le() functions 2012-10-06 03:04:54 +09:00
sgi Merge tty-next into 3.6-rc1 2012-08-06 09:48:31 -07:00
silan
sis sections: fix section conflicts in drivers/net 2012-10-06 03:04:42 +09:00
smsc ethernet: Use eth_random_addr 2012-07-16 22:38:27 -07:00
stmicro net: remove skb recycling 2012-10-07 00:40:54 -04:00
sun Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2012-10-02 13:38:27 -07:00
tehuti drivers/net/ethernet: Fix (nearly-)kernel-doc comments for various functions 2012-07-10 23:13:46 -07:00
ti net: ethernet: davinci_cpdma: decrease the desc count when cleaning up the remaining packets 2012-10-02 22:34:21 -04:00
tile tilegx net: use eth_hw_addr_random(), not eth_random_addr() 2012-07-18 15:07:45 -04:00
toshiba drivers/net/ethernet: Fix (nearly-)kernel-doc comments for various functions 2012-07-10 23:13:46 -07:00
tundra drivers/net/ethernet/tundra/tsi108_eth.c: delete double assignment 2012-08-30 13:08:37 -04:00
via
wiznet w5300: using eth_hw_addr_random() for random MAC and set device flag 2012-08-24 13:30:27 -04:00
xilinx ethernet: Use eth_random_addr 2012-07-16 22:38:27 -07:00
xircom
xscale ixp4xx_eth: fix ptp_ixp46x build failure 2012-08-06 13:30:01 -07:00
dnet.c
dnet.h
ethoc.c ethernet: Use eth_random_addr 2012-07-16 22:38:27 -07:00
fealnx.c sections: fix section conflicts in drivers/net 2012-10-06 03:04:42 +09:00
jme.c jme: netpoll support 2012-07-18 09:40:54 -07:00
jme.h
Kconfig net: mipsnet: Remove the MIPSsim Ethernet driver. 2012-09-24 16:47:23 -04:00
korina.c
lantiq_etop.c ethernet: Use eth_random_addr 2012-07-16 22:38:27 -07:00
Makefile net: mipsnet: Remove the MIPSsim Ethernet driver. 2012-09-24 16:47:23 -04:00
netx-eth.c ARM: netx: move platform_data definitions 2012-09-14 11:17:36 +02:00
s6gmac.c