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Michael S. Tsirkin e19d6763cc skb: report completion status for zero copy skbs 
Even if skb is marked for zero copy, net core might still decide
to copy it later which is somewhat slower than a copy in user context:
besides copying the data we need to pin/unpin the pages.

Add a parameter reporting such cases through zero copy callback:
if this happens a lot, device can take this into account
and switch to copying in user context.

This patch updates all users but ignores the passed value for now:
it will be used by follow-up patches.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-11-02 21:29:57 -04:00
..
datagram.c net: skb_free_datagram_locked() doesnt drop all packets 2012-06-27 15:40:57 -07:00
dev.c net:dev: remove double indentical assignment in dev_change_net_namespace(). 2012-10-21 20:44:39 -04:00
dev_addr_lists.c netdev: make address const in device address management 2012-09-19 16:35:22 -04:00
drop_monitor.c drop_monitor: dont sleep in atomic context 2012-06-04 11:42:01 -04:00
dst.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2012-10-02 13:38:27 -07:00
ethtool.c net: provide a default dev->ethtool_ops 2012-09-19 15:40:15 -04:00
fib_rules.c netlink: Rename pid to portid to avoid confusion 2012-09-10 15:30:41 -04:00
filter.c sk-filter: Add ability to get socket filter program (v2) 2012-11-01 11:17:15 -04:00
flow.c
flow_dissector.c ipv6: add ipv6_addr_hash() helper 2012-07-18 11:28:46 -07:00
gen_estimator.c Remove all #inclusions of asm/system.h 2012-03-28 18:30:03 +01:00
gen_stats.c gen_stats: Stop using NLA_PUT*(). 2012-04-02 04:33:44 -04:00
iovec.c
link_watch.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2012-10-02 13:38:27 -07:00
Makefile
neighbour.c net: Fix skb_under_panic oops in neigh_resolve_output 2012-10-07 14:42:39 -04:00
net-sysfs.c net: add unknown state to sysfs NIC duplex export 2012-09-05 17:40:07 -04:00
net-sysfs.h
net-traces.c
net_namespace.c net: Statically initialize init_net.dev_base_head 2012-07-18 13:32:27 -07:00
netevent.c
netpoll.c netpoll: call ->ndo_select_queue() in tx path 2012-09-19 17:19:09 -04:00
netprio_cgroup.c cgroup: net_prio: Mark local used function static 2012-10-26 03:40:50 -04:00
pktgen.c pktgen: Use ipv6_addr_any 2012-10-21 20:37:05 -04:00
request_sock.c tcp: TCP Fast Open Server - support TFO listeners 2012-08-31 20:02:19 -04:00
rtnetlink.c ixgbe: add setlink, getlink support to ixgbe and ixgbevf 2012-10-31 13:18:29 -04:00
scm.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2012-10-02 20:25:04 -07:00
secure_seq.c netfilter: ipv6: add IPv6 NAT support 2012-08-30 03:00:17 +02:00
skbuff.c skb: report completion status for zero copy skbs 2012-11-02 21:29:57 -04:00
sock.c sk-filter: Add ability to get socket filter program (v2) 2012-11-01 11:17:15 -04:00
sock_diag.c netlink: hide struct module parameter in netlink_kernel_create 2012-09-08 18:46:30 -04:00
stream.c
sysctl_net_core.c net: Delete all remaining instances of ctl_path 2012-04-20 21:22:30 -04:00
timestamping.c
user_dma.c
utils.c net: add doc for in4_pton() 2012-10-12 13:56:52 -04:00