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linux/include/net
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Hannes Frederic Sowa 5a3da1fe95 inet: limit length of fragment queue hash table bucket lists 
This patch introduces a constant limit of the fragment queue hash
table bucket list lengths. Currently the limit 128 is choosen somewhat
arbitrary and just ensures that we can fill up the fragment cache with
empty packets up to the default ip_frag_high_thresh limits. It should
just protect from list iteration eating considerable amounts of cpu.

If we reach the maximum length in one hash bucket a warning is printed.
This is implemented on the caller side of inet_frag_find to distinguish
between the different users of inet_fragment.c.

I dropped the out of memory warning in the ipv4 fragment lookup path,
because we already get a warning by the slab allocator.

Cc: Eric Dumazet <eric.dumazet@gmail.com>
Cc: Jesper Dangaard Brouer <jbrouer@redhat.com>
Signed-off-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-03-19 10:28:36 -04:00
..
9p
9p: turn fid->dlist into hlist
2013-02-27 22:51:08 -05:00
bluetooth
Bluetooth: Keep track of UUID type upon addition
2013-02-01 15:50:17 -02:00
caif
caif-hsi: Remove use of module parameters
2012-06-25 16:44:12 -07:00
irda
treewide: Replace incomming with incoming in all comments and strings
2013-01-03 16:15:49 +01:00
iucv
af_iucv: add shutdown for HS transport
2012-03-07 22:52:24 -08:00
netfilter
netfilter: nf_ct_helper: better logging for dropped packets
2013-02-19 02:48:05 +01:00
netns
xfrm: make gc_thresh configurable in all namespaces
2013-02-06 11:36:29 +01:00
nfc
NFC: Initial Secure Element API
2013-01-10 00:51:54 +01:00
phonet
net: remove my future former mail address
2012-06-17 16:29:38 -07:00
sctp
hlist: drop the node parameter from iterators
2013-02-27 19:10:24 -08:00
tc_act
…
act_api.h
act_police: move struct tcf_police to act_police.c
2013-02-12 18:59:45 -05:00
addrconf.h
ipv4: introduce address lifetime
2013-01-29 13:59:57 -05:00
af_ieee802154.h
…
af_rxrpc.h
net: Remove __KERNEL__ cpp checks from include/net
2011-04-24 10:54:56 -07:00
af_unix.h
unix: Remove unused field from unix_sock
2012-10-21 20:37:06 -04:00
ah.h
…
arp.h
net: Dont use ifindices in hash fns
2012-08-09 16:18:06 -07:00
atmclip.h
atm: clip: Use device neigh support on top of "arp_tbl".
2011-11-30 18:51:03 -05:00
ax25.h
hlist: drop the node parameter from iterators
2013-02-27 19:10:24 -08:00
ax88796.h
…
cfg80211-wext.h
cfg80211: remove unused wext handler exports
2011-08-08 14:26:29 -04:00
cfg80211.h
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next into for-davem
2013-02-18 13:47:13 -05:00
checksum.h
net: core: add function for incremental IPv6 pseudo header checksum updates
2012-08-30 03:00:16 +02:00
cipso_ipv4.h
cipso: handle CIPSO options correctly when NetLabel is disabled
2012-06-01 14:18:29 -04:00
cls_cgroup.h
net: Update args to dummy sock_update_classid().
2012-10-26 05:07:00 -04:00
codel.h
codel: refine one condition to avoid a nul rec_inv_sqrt
2012-08-10 16:52:54 -07:00
compat.h
net: cleanup unsigned to unsigned int
2012-04-15 12:44:40 -04:00
datalink.h
…
dcbevent.h
dcb: Add stub routines for !CONFIG_DCB
2011-10-06 15:49:51 -04:00
dcbnl.h
net/dcb: Add an optional max rate attribute
2012-04-05 05:08:04 -04:00
dn_dev.h
…
dn_fib.h
net: cleanup unsigned to unsigned int
2012-04-15 12:44:40 -04:00
dn_neigh.h
…
dn_nsp.h
…
dn_route.h
decnet: use correct RCU API to deref sk_dst_cache field
2013-01-28 00:15:27 -05:00
dn.h
net: cleanup unsigned to unsigned int
2012-04-15 12:44:40 -04:00
dsa.h
dsa: Include linux/if_ether.h to fix build error
2011-12-01 11:41:06 -05:00
dsfield.h
ipv6: Optimize ipv6_change_dsfield().
2013-01-09 23:59:53 -08:00
dst_ops.h
net: Fix warnings in dst_ops.h
2012-07-19 10:43:03 -07:00
dst.h
Fix dst_neigh_lookup/dst_neigh_lookup_skb return value handling bug
2013-03-15 09:06:58 -04:00
esp.h
…
ethoc.h
…
fib_rules.h
ipv4: Elide fib_validate_source() completely when possible.
2012-06-29 01:36:36 -07:00
flow_keys.h
flow_dissector: use a 64bit load/store
2011-11-29 13:17:03 -05:00
flow.h
ipv4: Add FLOWI_FLAG_KNOWN_NH
2012-10-08 17:42:36 -04:00
garp.h
garp: remove last synchronize_rcu() call
2011-05-12 17:46:56 -04:00
gen_stats.h
Fix common misspellings
2011-03-31 11:26:23 -03:00
genetlink.h
netlink: Rename pid to portid to avoid confusion
2012-09-10 15:30:41 -04:00
gre.h
…
gro_cells.h
gro: Fix kcalloc argument order
2013-01-27 22:46:33 -05:00
icmp.h
ipv4: fix error handling in icmp_protocol.
2013-02-22 15:10:18 -05:00
ieee80211_radiotap.h
mac80211: support (partial) VHT radiotap information
2012-11-27 11:56:18 +01:00
ieee802154_netdev.h
mac802154: declare reduced mlme operations
2012-05-16 15:16:56 -04:00
ieee802154.h
6LoWPAN: add fragmentation support
2011-11-14 00:19:42 -05:00
if_inet6.h
net: delete all instances of special processing for token ring
2012-05-15 20:14:35 -04:00
inet6_connection_sock.h
ipv6: Add helper inet6_csk_update_pmtu().
2012-07-16 03:44:56 -07:00
inet6_hashtables.h
ipv6: use a stronger hash for tcp
2013-02-21 18:15:58 -05:00
inet_common.h
net-tcp: Fast Open client - sendmsg(MSG_FASTOPEN)
2012-07-19 11:02:03 -07:00
inet_connection_sock.h
inet: Fix kmemleak in tcp_v4/6_syn_recv_sock and dccp_v4/6_request_recv_sock
2012-12-14 13:14:07 -05:00
inet_ecn.h
tunnel: drop packet if ECN present with not-ECT
2012-09-27 18:12:37 -04:00
inet_frag.h
inet: limit length of fragment queue hash table bucket lists
2013-03-19 10:28:36 -04:00
inet_hashtables.h
hlist: drop the node parameter from iterators
2013-02-27 19:10:24 -08:00
inet_sock.h
ipv6: use a stronger hash for tcp
2013-02-21 18:15:58 -05:00
inet_timewait_sock.h
hlist: drop the node parameter from iterators
2013-02-27 19:10:24 -08:00
inetpeer.h
ipv4: Maintain redirect and PMTU info in struct rtable again.
2012-07-10 22:40:14 -07:00
ip6_checksum.h
ipv6: move csum_ipv6_magic() and udp6_csum_init() into static library
2013-01-08 17:56:10 -08:00
ip6_fib.h
ipv6: fix race condition regarding dst->expires and dst->from.
2013-02-20 15:11:45 -05:00
ip6_route.h
ipv6: Remove unused neigh argument for icmp6_dst_alloc() and its callers.
2013-01-18 14:41:13 -05:00
ip6_tunnel.h
gre: Support GRE over IPv6
2012-08-14 14:28:32 -07:00
ip_fib.h
ipv4: fix definition of FIB_TABLE_HASHSZ
2013-03-13 10:47:09 -04:00
ip_vs.h
ipvs: fix build errors related to config option combinations
2012-10-23 09:23:40 +09:00
ip.h
ipv4: Add a socket release callback for datagram sockets
2013-01-21 14:17:05 -05:00
ipcomp.h
…
ipconfig.h
…
ipip.h
IP_GRE: Fix IP-Identification.
2013-02-25 15:47:41 -05:00
ipv6.h
ipv6: use a stronger hash for tcp
2013-02-21 18:15:58 -05:00
ipx.h
net: Remove __KERNEL__ cpp checks from include/net
2011-04-24 10:54:56 -07:00
iw_handler.h
Fix common misspellings
2011-03-31 11:26:23 -03:00
lapb.h
lapb: Neaten debugging
2012-05-17 18:45:20 -04:00
lib80211.h
include: replace linux/module.h with "struct module" wherever possible
2011-10-31 19:32:32 -04:00
llc_c_ac.h
…
llc_c_ev.h
net: cleanup unsigned to unsigned int
2012-04-15 12:44:40 -04:00
llc_c_st.h
…
llc_conn.h
…
llc_if.h
…
llc_pdu.h
net: delete all instances of special processing for token ring
2012-05-15 20:14:35 -04:00
llc_s_ac.h
…
llc_s_ev.h
…
llc_s_st.h
…
llc_sap.h
…
llc.h
llc: Remove stray reference to sysctl_llc_station_ack_timeout.
2012-09-17 13:13:24 -04:00
mac80211.h
mac80211: stop modifying HT SMPS capability
2013-02-15 09:41:41 +01:00
mac802154.h
mac802154: add wpan device-class support
2012-06-26 21:06:11 -07:00
mip6.h
…
mld.h
…
mrp.h
net/802: Implement Multiple Registration Protocol (MRP)
2013-02-10 20:37:22 -05:00
ndisc.h
ndisc: Move ndisc_opt_addr_space() to include/net/ndisc.h.
2013-01-21 13:33:14 -05:00
neighbour.h
net neighbour, decnet: Ensure to align device private data on preferred alignment.
2013-02-11 00:21:44 -05:00
net_namespace.h
proc: Usable inode numbers for the namespace file descriptors.
2012-11-20 04:19:49 -08:00
net_ratelimit.h
net: Kill ratelimit.h dependency in linux/net.h
2011-05-27 13:41:33 -04:00
netdma.h
…
netevent.h
ipv6 netevent: Remove old_neigh from netevent_redirect.
2013-01-14 15:04:59 -05:00
netlabel.h
userns: Convert the audit loginuid to be a kuid
2012-09-17 18:08:54 -07:00
netlink.h
netlink: Rename pid to portid to avoid confusion
2012-09-10 15:30:41 -04:00
netprio_cgroup.h
netprio_cgroup: use cgroup->id instead of cgroup_netprio_state->prioidx
2012-11-22 07:32:47 -08:00
netrom.h
hlist: drop the node parameter from iterators
2013-02-27 19:10:24 -08:00
nexthop.h
…
nl802154.h
…
p8022.h
…
ping.h
net: ping: fix build failure
2011-05-17 14:16:58 -04:00
pkt_cls.h
pkt_sched: namespace aware act_mirred
2013-01-14 15:09:36 -05:00
pkt_sched.h
sch_api: introduce qdisc_watchdog_schedule_ns()
2013-02-12 18:59:45 -05:00
protocol.h
net: Remove code duplication between offload structures
2012-11-15 17:39:51 -05:00
psnap.h
…
raw.h
…
rawv6.h
ipv6: bool/const conversions phase2
2012-05-19 01:08:16 -04:00
red.h
net_sched: red: Make minor corrections to comments
2012-04-16 23:53:11 -04:00
regulatory.h
regulatory: use RCU to protect last_request
2013-01-03 13:01:30 +01:00
request_sock.h
tcp: better retrans tracking for defer-accept
2012-11-03 14:45:00 -04:00
rose.h
rose: Add length checks to CALL_REQUEST parsing
2011-03-27 17:59:04 -07:00
route.h
ipv4: avoid a test in ip_rt_put()
2012-11-03 14:59:04 -04:00
rtnetlink.h
rtnelink: remove unused parameter from rtnl_create_link().
2012-11-30 12:24:40 -05:00
sch_generic.h
hlist: drop the node parameter from iterators
2013-02-27 19:10:24 -08:00
scm.h
net: Remove unnecessary NULL check in scm_destroy().
2012-09-24 15:52:33 -04:00
secure_seq.h
tcp: add const qualifiers where possible
2011-10-21 05:22:42 -04:00
slhc_vj.h
…
snmp.h
net: avoid reloads in SNMP_UPD_PO_STATS
2012-08-06 13:40:47 -07:00
sock.h
hlist: drop the node parameter from iterators
2013-02-27 19:10:24 -08:00
stp.h
…
tcp_memcontrol.h
cgroup: pass struct mem_cgroup instead of struct cgroup to socket memcg
2012-04-10 10:04:07 -07:00
tcp_states.h
…
tcp.h
tcp: avoid wakeups for pure ACK
2013-02-28 15:37:29 -05:00
timewait_sock.h
[PATCH] tcp: Cache inetpeer in timewait socket, and only when necessary.
2012-06-09 14:56:12 -07:00
transp_v6.h
ipv6: rename datagram_send_ctl and datagram_recv_ctl
2013-01-31 13:53:08 -05:00
udp.h
net/ipv6/udp: UDP encapsulation: introduce encap_rcv hook into IPv6
2012-04-28 22:21:51 -04:00
udplite.h
net: ipv4: Standardize prefixes for message logging
2012-03-12 17:05:21 -07:00
wext.h
…
wimax.h
net: cleanup unsigned to unsigned int
2012-04-15 12:44:40 -04:00
wpan-phy.h
mac802154: monitor device support
2012-05-16 15:17:08 -04:00
x25.h
net: cleanup unsigned to unsigned int
2012-04-15 12:44:40 -04:00
x25device.h
…
xfrm.h
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec-next
2013-02-14 13:29:20 -05:00