Satoru Moriya 296f7ea75b udp: add tracepoints for queueing skb to rcvbuf ...

This patch adds a tracepoint to __udp_queue_rcv_skb to get the
return value of ip_queue_rcv_skb. It indicates why kernel drops
a packet at this point.

ip_queue_rcv_skb returns following values in the packet drop case:

rcvbuf is full                 : -ENOMEM
sk_filter returns error        : -EINVAL, -EACCESS, -ENOMEM, etc.
__sk_mem_schedule returns error: -ENOBUF

Signed-off-by: Satoru Moriya <satoru.moriya@hds.com>
Acked-by: Neil Horman <nhorman@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

2011-06-21 16:06:10 -07:00

..

datagram.c

…

dev_addr_lists.c

net,rcu: convert call_rcu(ha_rcu_free) to kfree_rcu()

2011-05-07 22:50:52 -07:00

dev.c

Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6

2011-06-20 22:29:08 -07:00

drop_monitor.c

net,rcu: convert call_rcu(free_dm_hw_stat) to kfree_rcu()

2011-05-07 22:50:59 -07:00

dst.c

net: fix __dst_destroy_metrics_generic()

2011-05-24 13:29:50 -04:00

ethtool.c

v2 ethtool: remove support for ETHTOOL_GRXNTUPLE

2011-06-08 16:45:31 -07:00

fib_rules.c

rtnetlink: Compute and store minimum ifinfo dump size

2011-06-09 20:38:07 -07:00

filter.c

bug.h: Move ratelimit warn interfaces to ratelimit.h

2011-05-26 15:00:31 -04:00

flow.c

…

gen_estimator.c

net,rcu: convert call_rcu(__gen_kill_estimator) to kfree_rcu()

2011-05-07 22:50:57 -07:00

gen_stats.c

…

iovec.c

…

kmap_skb.h

…

link_watch.c

…

Makefile

…

neighbour.c

rtnetlink: Compute and store minimum ifinfo dump size

2011-06-09 20:38:07 -07:00

net_namespace.c

Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6

2011-06-16 10:21:59 -07:00

net-sysfs.c

Delay struct net freeing while there's a sysfs instance refering to it

2011-06-12 17:45:41 -04:00

net-sysfs.h

…

net-traces.c

udp: add tracepoints for queueing skb to rcvbuf

2011-06-21 16:06:10 -07:00

netevent.c

…

netpoll.c

netpoll: call dev_put() on error in netpoll_setup()

2011-06-11 18:55:22 -07:00

pktgen.c

pktgen: refactor pg_init() code

2011-05-22 21:01:22 -04:00

request_sock.c

…

rtnetlink.c

rtnetlink: Compute and store minimum ifinfo dump size

2011-06-09 20:38:07 -07:00

scm.c

…

skbuff.c

Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6

2011-05-20 13:43:21 -07:00

sock.c

…

stream.c

…

sysctl_net_core.c

net: Kill ratelimit.h dependency in linux/net.h

2011-05-27 13:41:33 -04:00

timestamping.c

net: export the receive time stamping hook for non-NAPI drivers

2011-06-20 13:56:53 -07:00

user_dma.c

…

utils.c

net: Kill ratelimit.h dependency in linux/net.h

2011-05-27 13:41:33 -04:00