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20f0170377
linux/drivers/net/usb
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Eric Dumazet 20f0170377 usbnet: do not pretend to support SG/TSO 
usbnet doesn't support yet SG, so drivers should not advertise SG or TSO
capabilities, as they allow TCP stack to build large TSO packets that
need to be linearized and might use order-5 pages.

This adds an extra copy overhead and possible allocation failures.

Current code ignore skb_linearize() return code so crashes are even
possible.

Best is to not pretend SG/TSO is supported, and add this again when/if
usbnet really supports SG for devices who could get a performance gain.

Based on a prior patch from Freddy Xin <freddy@asix.com.tw>

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-07-26 13:48:22 -07:00
..
asix_common.c asix: fix BUG in receive path when lowering MTU 2013-05-03 16:10:33 -04:00
asix_devices.c usbnet: asix: apply usbnet_link_change 2013-04-11 15:57:16 -04:00
asix.h net: asix: handle packets crossing URB boundaries 2013-01-18 14:13:29 -05:00
ax88172a.c drivers: net: usb: Remove unnecessary alloc/OOM messages 2013-02-04 13:22:34 -05:00
ax88179_178a.c usbnet: do not pretend to support SG/TSO 2013-07-26 13:48:22 -07:00
catc.c ethtool: fix drvinfo strings set in drivers 2013-01-06 21:06:31 -08:00
cdc_eem.c net: usb: cdc_eem: Fix rx skb allocation for 802.1Q VLANs 2012-11-07 21:12:26 -05:00
cdc_ether.c net/usb: add relative mii functions for r815x 2013-07-11 17:11:01 -07:00
cdc_mbim.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2013-05-01 14:08:52 -07:00
cdc_ncm.c usbnet: cdc_ncm: apply usbnet_link_change 2013-04-11 15:57:16 -04:00
cdc_subset.c USB: Disable hub-initiated LPM for comms devices. 2012-05-18 15:42:55 -07:00
cdc-phonet.c cdc-phonet: Don't leak in usbpn_open 2012-08-08 16:04:47 -07:00
cx82310_eth.c net: cx82310_eth: use common match macro 2012-09-03 13:51:02 -04:00
dm9601.c usbnet: dm9601: apply usbnet_link_change 2013-04-11 15:57:17 -04:00
gl620a.c USB: remove dbg() usage in USB networking drivers 2012-09-20 17:53:14 -04:00
hso.c TTY: add tty_port_tty_hangup helper 2013-03-18 16:24:29 -07:00
int51x1.c usbnet: int51x1: apply introduced usb command APIs 2012-10-26 03:36:51 -04:00
ipheth.c net: ipheth: Add USB ID for iPad mini 2013-07-02 00:32:56 -07:00
kalmia.c net/usb/kalmia: use %*phC to dump small buffers 2013-05-29 00:35:20 -07:00
kaweth.c kaweth: print correct debug ptr 2012-10-11 15:12:33 -04:00
Kconfig net: Move MII out from under NET_CORE and hide it 2013-06-19 22:22:56 -07:00
lg-vl600.c USB: Disable hub-initiated LPM for comms devices. 2012-05-18 15:42:55 -07:00
Makefile net/usb: add relative mii functions for r815x 2013-07-11 17:11:01 -07:00
mcs7830.c usbnet: mcs7830: apply usbnet_link_change 2013-04-11 15:57:16 -04:00
net1080.c usbnet: net1080: apply introduced usb command APIs 2012-10-26 03:36:51 -04:00
pegasus.c usbnet: pegasus: endian bug in write_mii_word() 2013-05-03 16:10:23 -04:00
pegasus.h drivers: net: usb: pegasus: fix control urb submission 2013-04-29 13:57:50 -04:00
plusb.c usbnet: plusb: apply introduced usb command APIs 2012-10-26 03:36:51 -04:00
qmi_wwan.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2013-07-03 14:55:13 -07:00
r815x.c usb/net/r815x: fix cast to restricted __le32 2013-07-12 16:13:34 -07:00
r8152.c usb/net/r8152: fix integer overflow in expression 2013-07-12 16:13:34 -07:00
rndis_host.c remove init of dev->perm_addr in drivers 2013-01-08 18:00:48 -08:00
rtl8150.c drivers: net: usb: rtl8150: concurrent URB bugfix 2013-05-20 13:42:05 -07:00
sierra_net.c sierra_net: keep status interrupt URB active 2013-05-08 13:13:29 -07:00
smsc75xx.c usbnet: do not pretend to support SG/TSO 2013-07-26 13:48:22 -07:00
smsc75xx.h smsc75xx: replace 0xffff with PHY_INT_SRC_CLEAR_ALL 2012-05-07 23:43:56 -04:00
smsc95xx.c usbnet: smsc95xx: don't recover device if suspend fails in system sleep 2013-03-25 10:55:46 -07:00
smsc95xx.h smsc95xx: support PHY wakeup source 2012-11-23 14:15:18 -05:00
usbnet.c USB: remove remaining instances of USB_SUSPEND 2013-05-15 13:44:44 -04:00
zaurus.c USB: Disable hub-initiated LPM for comms devices. 2012-05-18 15:42:55 -07:00