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2010-12-31dcbnl: cleanupShmulik Ravid
A couple of small cleanups for patches: [net-next-2.6 PATCH 1/3] dcbnl: add support for ieee8021Qaz attributes [net-next-2.6 PATCH 2/3] dcbnl: add appliction tlv handlers [net-next-2.6 PATCH 3/3] net_dcb: add application notifiers Signed-off-by: Shmulik Ravid <shmulikr@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-12-31dcbnl: adding DCBX feature flags get-setShmulik Ravid
Adding a pair of set-get routines to dcbnl for setting the negotiation flags of the various DCB features. Conforms to the CEE flavor of DCBX The user sets these flags (enable, advertise, willing) for each feature to be used by the DCBX engine. The 'get' routine returns which of the features is enabled after the negotiation. This patch is dependent on the following patches: [net-next-2.6 PATCH 1/3] dcbnl: add support for ieee8021Qaz attributes [net-next-2.6 PATCH 2/3] dcbnl: add appliction tlv handlers [net-next-2.6 PATCH 3/3] net_dcb: add application notifiers Signed-off-by: Shmulik Ravid <shmulikr@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-12-31dcbnl: adding DCBX engine capabilityShmulik Ravid
Adding an optional DCBX capability and a pair for get-set routines for setting the device DCBX mode. The DCBX capability is a bit field of supported attributes. The user is expected to set the DCBX mode with a subset of the advertised attributes. This patch is dependent on the following patches: [net-next-2.6 PATCH 1/3] dcbnl: add support for ieee8021Qaz attributes [net-next-2.6 PATCH 2/3] dcbnl: add appliction tlv handlers [net-next-2.6 PATCH 3/3] net_dcb: add application notifiers Signed-off-by: Shmulik Ravid <shmulikr@broadcom.com> Acked-by: John Fastabend <john.r.fastabend@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-12-31net_dcb: add application notifiersJohn Fastabend
DCBx applications priorities can be changed dynamically. If application stacks are expected to keep the skb priority consistent with the dcbx priority the stack will need to be notified when these changes occur. This patch adds application notifiers for the stack to register with. Signed-off-by: John Fastabend <john.r.fastabend@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-12-31dcbnl: add appliction tlv handlersJohn Fastabend
This patch adds application tlv handlers. Networking stacks may use the application priority to set the skb priority of their stack using the negoatiated dcbx priority. This patch provides the dcb_{get|set}app() routines for the stack to query these parameters. Notice lower layer drivers can use the dcbnl_ops routines if additional handling is needed. Perhaps in the firmware case for example Signed-off-by: John Fastabend <john.r.fastabend@intel.com> Signed-off-by: Shmulik Ravid <shmulikr@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-12-31dcbnl: add support for ieee8021Qaz attributesJohn Fastabend
The IEEE8021Qaz is the IEEE standard version of CEE. The standard has had enough significant changes from the CEE version that many of the CEE attributes have no meaning in the new spec or do not easily map to IEEE standards. Rather then attempt to create a complicated mapping between CEE and IEEE standards this patch adds a nested IEEE attribute to the list of DCB attributes. The policy is, [DCB_ATTR_IFNAME] [DCB_ATTR_STATE] ... [DCB_ATTR_IEEE] [DCB_ATTR_IEEE_ETS] [DCB_ATTR_IEEE_PFC] [DCB_ATTR_IEEE_APP_TABLE] [DCB_ATTR_IEEE_APP] ... The following dcbnl_rtnl_ops routines were added to handle the IEEE standard, int (*ieee_getets) (struct net_device *, struct ieee_ets *); int (*ieee_setets) (struct net_device *, struct ieee_ets *); int (*ieee_getpfc) (struct net_device *, struct ieee_pfc *); int (*ieee_setpfc) (struct net_device *, struct ieee_pfc *); int (*ieee_getapp) (struct net_device *, struct dcb_app *); int (*ieee_setapp) (struct net_device *, struct dcb_app *); Signed-off-by: John Fastabend <john.r.fastabend@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-12-26Merge branch 'master' of ↵David S. Miller
master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 Conflicts: net/ipv4/fib_frontend.c
2010-12-26Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (42 commits) ipv4: dont create routes on down devices epic100: hamachi: yellowfin: Fix skb allocation size sundance: Fix oopses with corrupted skb_shared_info Revert "ipv4: Allow configuring subnets as local addresses" USB: mcs7830: return negative if auto negotiate fails irda: prevent integer underflow in IRLMP_ENUMDEVICES tcp: fix listening_get_next() atl1c: Do not use legacy PCI power management mac80211: fix mesh forwarding MAINTAINERS: email address change net: Fix range checks in tcf_valid_offset(). net_sched: sch_sfq: fix allot handling hostap: remove netif_stop_queue from init mac80211/rt2x00: add ieee80211_tx_status_ni() typhoon: memory corruption in typhoon_get_drvinfo() net: Add USB PID for new MOSCHIP USB ethernet controller MCS7832 variant net_sched: always clone skbs ipv6: Fragment locally generated tunnel-mode IPSec6 packets as needed. netlink: fix gcc -Wconversion compilation warning asix: add USB ID for Logitec LAN-GTJ U2A ...
2010-12-25ipv4: dont create routes on down devicesEric Dumazet
In ip_route_output_slow(), instead of allowing a route to be created on a not UPed device, report -ENETUNREACH immediately. # ip tunnel add mode ipip remote 10.16.0.164 local 10.16.0.72 dev eth0 # (Note : tunl1 is down) # ping -I tunl1 10.1.2.3 PING 10.1.2.3 (10.1.2.3) from 192.168.18.5 tunl1: 56(84) bytes of data. (nothing) # ./a.out tunl1 # ip tunnel del tunl1 Message from syslogd@shelby at Dec 22 10:12:08 ... kernel: unregister_netdevice: waiting for tunl1 to become free. Usage count = 3 After patch: # ping -I tunl1 10.1.2.3 connect: Network is unreachable Reported-by: Nicolas Dichtel <nicolas.dichtel@6wind.com> Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Reviewed-by: Octavian Purdila <opurdila@ixiacom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-12-23Revert "ipv4: Allow configuring subnets as local addresses"David S. Miller
This reverts commit 4465b469008bc03b98a1b8df4e9ae501b6c69d4b. Conflicts: net/ipv4/fib_frontend.c As reported by Ben Greear, this causes regressions: > Change 4465b469008bc03b98a1b8df4e9ae501b6c69d4b caused rules > to stop matching the input device properly because the > FLOWI_FLAG_MATCH_ANY_IIF is always defined in ip_dev_find(). > > This breaks rules such as: > > ip rule add pref 512 lookup local > ip rule del pref 0 lookup local > ip link set eth2 up > ip -4 addr add 172.16.0.102/24 broadcast 172.16.0.255 dev eth2 > ip rule add to 172.16.0.102 iif eth2 lookup local pref 10 > ip rule add iif eth2 lookup 10001 pref 20 > ip route add 172.16.0.0/24 dev eth2 table 10001 > ip route add unreachable 0/0 table 10001 > > If you had a second interface 'eth0' that was on a different > subnet, pinging a system on that interface would fail: > > [root@ct503-60 ~]# ping 192.168.100.1 > connect: Invalid argument Reported-by: Ben Greear <greearb@candelatech.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-12-23Merge branch 'for-davem' of ↵David S. Miller
ssh://master.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6
2010-12-23irda: prevent integer underflow in IRLMP_ENUMDEVICESDan Rosenberg
If the user-provided len is less than the expected offset, the IRLMP_ENUMDEVICES getsockopt will do a copy_to_user() with a very large size value. While this isn't be a security issue on x86 because it will get caught by the access_ok() check, it may leak large amounts of kernel heap on other architectures. In any event, this patch fixes it. Signed-off-by: Dan Rosenberg <drosenberg@vsecurity.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-12-23tcp: cleanup of cwnd initialization in tcp_init_metrics()Jiri Kosina
Commit 86bcebafc5e7f5 ("tcp: fix >2 iw selection") fixed a case when congestion window initialization has been mistakenly omitted by introducing cwnd label and putting backwards goto from the end of the function. This makes the code unnecessarily tricky to read and understand on a first sight. Shuffle the code around a little bit to make it more obvious. Signed-off-by: Jiri Kosina <jkosina@suse.cz> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-12-23tcp: fix listening_get_next()Eric Dumazet
Alexey Vlasov found /proc/net/tcp could sometime loop and display millions of sockets in LISTEN state. In 2.6.29, when we converted TCP hash tables to RCU, we left two sk_next() calls in listening_get_next(). We must instead use sk_nulls_next() to properly detect an end of chain. Reported-by: Alexey Vlasov <renton@renton.name> Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-12-22Merge branch 'master' of ↵David S. Miller
ssh://master.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6
2010-12-22sfq: fix sfq class stats handlingEric Dumazet
sfq_walk() runs without qdisc lock. By the time it selects a non empty hash slot and sfq_dump_class_stats() is run (with lock held), slot might have been freed : We then access q->slots[SFQ_EMPTY_SLOT], out of bounds, and crash in slot_queue_walk() On previous kernels, bug is here but out of bounds qs[SFQ_DEPTH] and allot[SFQ_DEPTH] are located in struct sfq_sched_data, so no illegal memory access happens, only possibly wrong data reported to user. Also, slot_dequeue_tail() should make sure slot skb chain is correctly terminated, or sfq_dump_class_stats() can access freed skbs. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-12-22mac80211: check for CONFIG_MAC80211_LEDS in the tpt_led_trigger declarationLuciano Coelho
If CONFIG_MAC80211_LEDS is not set, ieee80211_i.h was failing to compile, because struct led_trigger is only declared when CONFIG_LEDS_TRIGGERS is set. This patch adds ifdefs around the tpt_led_trigger declaration in ieee80211_i.h to avoid the problem. Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com> Acked-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-12-22mac80211: selective throughput LED trigger activeJohannes Berg
The throughput LED trigger was always active when the radio was enabled. In most cases that's likely the desired behaviour, but iwlwifi requires it to be only active when one of the virtual interfaces is actually "connected" in some way. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-12-22mac80211: add throughput based LED blink triggerJohannes Berg
iwlwifi and other drivers like to blink their LED based on throughput. Implement this generically in mac80211, based on a throughput table the driver specifies. That way, drivers can set the blink frequencies depending on their desired behaviour and max throughput. All the drivers need to do is provide an LED class device, best with blink hardware offload. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-12-22mac80211: make LED trigger names available earlyJohannes Berg
The throughput trigger will require doing LED classdev/trigger handling before register_hw(), so drivers should have access to the trigger names before it. If trigger registration fails, this will still make the trigger name available, but that's not a big problem since the default trigger will the simply not be found. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-12-22Merge branch 'master' of ↵John W. Linville
git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6 into for-davem Conflicts: drivers/net/wireless/iwlwifi/iwl-1000.c drivers/net/wireless/iwlwifi/iwl-6000.c drivers/net/wireless/iwlwifi/iwl-core.h
2010-12-22mac80211: fix mesh forwardingJohannes Berg
Under memory pressure, the mac80211 mesh code may helpfully print a message that it failed to clone a mesh frame and then will proceed to crash trying to use it anyway. Fix that. Cc: stable@kernel.org [2.6.27+] Signed-off-by: Johannes Berg <johannes.berg@intel.com> Acked-by: Javier Cardona <javier@cozybit.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-12-21filter: optimize accesses to ancillary dataEric Dumazet
We can translate pseudo load instructions at filter check time to dedicated instructions to speed up filtering and avoid one switch(). libpcap currently uses SKF_AD_PROTOCOL, but custom filters probably use other ancillary accesses. Note : I made the assertion that ancillary data was always accessed with BPF_LD|BPF_?|BPF_ABS instructions, not with BPF_LD|BPF_?|BPF_IND ones (offset given by K constant, not by K + X register) On x86_64, this saves a few bytes of text : # size net/core/filter.o.* text data bss dec hex filename 4864 0 0 4864 1300 net/core/filter.o.new 4944 0 0 4944 1350 net/core/filter.o.old Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-12-21net: timestamp cloned packet in dev_queue_xmit_nitEric Dumazet
Le vendredi 17 décembre 2010 à 10:26 +0100, Eric Dumazet a écrit : > > I think we can add this after latest Changli patch : > > He does one skb_clone() before calling the sniffers. > We could set timestamp on this clone, instead of original skb. > > Problem solved. > [PATCH net-next-2.6] net: timestamp cloned packet in dev_queue_xmit_nit Now we do one clone of skb if at least one sniffer might take packet, we also can do the skb timestamping on the clone and let original packet unchanged. This is a generalization of commit 8caf153974f2 (net: sch_netem: Fix an inconsistency in ingress netem timestamps.) This way, we can have a good idea when packets are delivered to our stack (tcpdump -i ifb0), while a tcpdump on original device gives timestamps right before ingressing. This also speedup our stack, avoiding taking timestamps if not needed. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Cc: Changli Gao <xiaosuo@gmail.com> Cc: Patrick McHardy <kaber@trash.net> Cc: Jarek Poplawski <jarkao2@gmail.com> Acked-by: Changli Gao <xiaosuo@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-12-20TCP: increase default initial receive window.Nandita Dukkipati
This patch changes the default initial receive window to 10 mss (defined constant). The default window is limited to the maximum of 10*1460 and 2*mss (when mss > 1460). draft-ietf-tcpm-initcwnd-00 is a proposal to the IETF that recommends increasing TCP's initial congestion window to 10 mss or about 15KB. Leading up to this proposal were several large-scale live Internet experiments with an initial congestion window of 10 mss (IW10), where we showed that the average latency of HTTP responses improved by approximately 10%. This was accompanied by a slight increase in retransmission rate (0.5%), most of which is coming from applications opening multiple simultaneous connections. To understand the extreme worst case scenarios, and fairness issues (IW10 versus IW3), we further conducted controlled testbed experiments. We came away finding minimal negative impact even under low link bandwidths (dial-ups) and small buffers. These results are extremely encouraging to adopting IW10. However, an initial congestion window of 10 mss is useless unless a TCP receiver advertises an initial receive window of at least 10 mss. Fortunately, in the large-scale Internet experiments we found that most widely used operating systems advertised large initial receive windows of 64KB, allowing us to experiment with a wide range of initial congestion windows. Linux systems were among the few exceptions that advertised a small receive window of 6KB. The purpose of this patch is to fix this shortcoming. References: 1. A comprehensive list of all IW10 references to date. http://code.google.com/speed/protocols/tcpm-IW10.html 2. Paper describing results from large-scale Internet experiments with IW10. http://ccr.sigcomm.org/drupal/?q=node/621 3. Controlled testbed experiments under worst case scenarios and a fairness study. http://www.ietf.org/proceedings/79/slides/tcpm-0.pdf 4. Raw test data from testbed experiments (Linux senders/receivers) with initial congestion and receive windows of both 10 mss. http://research.csc.ncsu.edu/netsrv/?q=content/iw10 5. Internet-Draft. Increasing TCP's Initial Window. https://datatracker.ietf.org/doc/draft-ietf-tcpm-initcwnd/ Signed-off-by: Nandita Dukkipati <nanditad@google.com> Acked-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-12-20net_sched: sch_sfq: better struct layoutsEric Dumazet
Here is a respin of patch. I'll send a short patch to make SFQ more fair in presence of large packets as well. Thanks [PATCH v3 net-next-2.6] net_sched: sch_sfq: better struct layouts This patch shrinks sizeof(struct sfq_sched_data) from 0x14f8 (or more if spinlocks are bigger) to 0x1180 bytes, and reduce text size as well. text data bss dec hex filename 4821 152 0 4973 136d old/net/sched/sch_sfq.o 4627 136 0 4763 129b new/net/sched/sch_sfq.o All data for a slot/flow is now grouped in a compact and cache friendly structure, instead of being spreaded in many different points. struct sfq_slot { struct sk_buff *skblist_next; struct sk_buff *skblist_prev; sfq_index qlen; /* number of skbs in skblist */ sfq_index next; /* next slot in sfq chain */ struct sfq_head dep; /* anchor in dep[] chains */ unsigned short hash; /* hash value (index in ht[]) */ short allot; /* credit for this slot */ }; Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Cc: Jarek Poplawski <jarkao2@gmail.com> Cc: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-12-20Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client: ceph: handle partial result from get_user_pages ceph: mark user pages dirty on direct-io reads ceph: fix null pointer dereference in ceph_init_dentry for nfs reexport ceph: fix direct-io on non-page-aligned buffers ceph: fix msgr_init error path
2010-12-20Merge branch 'master' of ↵David S. Miller
master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
2010-12-20net_sched: sch_sfq: fix allot handlingEric Dumazet
When deploying SFQ/IFB here at work, I found the allot management was pretty wrong in sfq, even changing allot from short to int... We should init allot for each new flow, not using a previous value found in slot. Before patch, I saw bursts of several packets per flow, apparently denying the default "quantum 1514" limit I had on my SFQ class. class sfq 11:1 parent 11: (dropped 0, overlimits 0 requeues 0) backlog 0b 7p requeues 0 allot 11546 class sfq 11:46 parent 11: (dropped 0, overlimits 0 requeues 0) backlog 0b 1p requeues 0 allot -23873 class sfq 11:78 parent 11: (dropped 0, overlimits 0 requeues 0) backlog 0b 5p requeues 0 allot 11393 After patch, better fairness among each flow, allot limit being respected, allot is positive : class sfq 11:e parent 11: (dropped 0, overlimits 0 requeues 86) backlog 0b 3p requeues 86 allot 596 class sfq 11:94 parent 11: (dropped 0, overlimits 0 requeues 0) backlog 0b 3p requeues 0 allot 1468 class sfq 11:a4 parent 11: (dropped 0, overlimits 0 requeues 0) backlog 0b 4p requeues 0 allot 650 class sfq 11:bb parent 11: (dropped 0, overlimits 0 requeues 0) backlog 0b 3p requeues 0 allot 596 Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-12-20net_sched: sch_sfq: add backlog info in sfq_dump_class_stats()Eric Dumazet
We currently return for each active SFQ slot the number of packets in queue. We can also give number of bytes accounted for these packets. tc -s class show dev ifb0 Before patch : class sfq 11:3d9 parent 11: (dropped 0, overlimits 0 requeues 0) backlog 0b 3p requeues 0 allot 1266 After patch : class sfq 11:3e4 parent 11: (dropped 0, overlimits 0 requeues 0) backlog 4380b 3p requeues 0 allot 1212 Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-12-20mac80211: fix potentially redundant skb data copyingFelix Fietkau
When an skb is shared, it needs to be duplicated, along with its data buffer. If the skb does not have enough headroom, using skb_copy might cause the data buffer to be copied twice (once by skb_copy and once by pskb_expand_head). Fix this by using skb_clone initially and letting ieee80211_skb_resize sort out the rest. Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-12-20mac80211: skip unnecessary pskb_expand_head callsFelix Fietkau
If the skb is not cloned and we don't need any extra headroom, there is no point in reallocating the skb head. Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-12-20mac80211: fix initialization of skb->cb in ieee80211_subif_start_xmitFelix Fietkau
The change 'mac80211: Fix BUG in pskb_expand_head when transmitting shared skbs' added a check for copying the skb if it's shared, however the tx info variable still points at the cb of the old skb Signed-off-by: Felix Fietkau <nbd@openwrt.org> Acked-by: Helmut Schaa <helmut.schaa@googlemail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-12-20mac80211: Remove unused third address from mesh address extension header.Javier Cardona
The Mesh Control header only includes 0, 1 or 2 addresses. If there is one address, it should be interpreted as Address 4. If there are 2, they are interpreted as Addresses 5 and 6 (Address 4 being the 4th address in the 802.11 header). The address extension used to hold up to 3 addresses instead of the current 2. I'm not sure which draft version changed this, but it is very unlikely that it will change again given the state of the approval process of this draft. See section 7.1.3.6.3 in current draft (8.0). Also, note that the extra address that I'm removing was not being used, so this change has no effect on over-the-air frame formats. But I thought I better remove it before someone does start using it. Signed-off-by: Javier Cardona <javier@cozybit.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-12-20nl80211: Export available antennasBruno Randolf
Export the information which antennas are available for configuration as TX or RX antennas via nl80211. Signed-off-by: Bruno Randolf <br1@einfach.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-12-20cfg80211: Separate available antennas for RX and TXBruno Randolf
As has been pointed out by Daniel Halperin some devices (e.g. Intel IWL5100) can only TX from a subset of RX antennas, so use separate availability masks for RX and TX. Signed-off-by: Bruno Randolf <br1@einfach.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-12-20mac80211: Send mesh non-HWMP path selection frames to userspaceJavier Cardona
Let path selection frames for protocols other than HWMP be sent to userspace via NL80211_CMD_REGISTER_FRAME. Also allow userspace to send and receive mesh path selection frames. Signed-off-by: Javier Cardona <javier@cozybit.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-12-20mac80211: Let userspace enable and configure vendor specific path selection.Javier Cardona
Userspace will now be allowed to toggle between the default path selection algorithm (HWMP, implemented in the kernel), and a vendor specific alternative. Also in the same patch, allow userspace to add information elements to mesh beacons. This is accordance with the Extensible Path Selection Framework specified in version 7.0 of the 802.11s draft. Signed-off-by: Javier Cardona <javier@cozybit.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-12-20mac80211: Rename mesh_params to mesh_config to prepare for mesh_setupJavier Cardona
Mesh parameters can be to setup a mesh or to configure it. This patch renames the ambiguous name mesh_params to mesh_config in preparation for mesh_setup. Signed-off-by: Javier Cardona <javier@cozybit.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-12-20ipv4: Flush per-ns routing cache more sanely.David S. Miller
Flush the routing cache only of entries that match the network namespace in which the purge event occurred. Signed-off-by: David S. Miller <davem@davemloft.net> Acked-by: Eric Dumazet <eric.dumazet@gmail.com>
2010-12-20batman-adv: Return hna count on local buffer fillSven Eckelmann
hna_local_fill_buffer must return the number of added hna entries and not the last checked hash bucket. Signed-off-by: Sven Eckelmann <sven@narfation.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-12-20pktgen: Remove unnecessary prefix from pr_<level>Joe Perches
Remove "pktgen: " prefix string from one pr_info. pr_fmt adds it, so this is a duplicate. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-12-19net: kill unused macrosShan Wei
These macros never be used, so remove them. Signed-off-by: Shan Wei <shanwei@cn.fujitsu.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-12-19net: increase skb->users instead of skb_clone()Changli Gao
In dev_queue_xmit_nit(), we have to clone skbs as we need to mangle skbs, however, we don't need to clone skbs for all the packet_types. Except for the first packet_type, we increase skb->users instead of skb_clone(). Signed-off-by: Changli Gao <xiaosuo@gmail.com> Acked-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-12-19ipv6: Fragment locally generated tunnel-mode IPSec6 packets as needed.David Stevens
This patch modifies IPsec6 to fragment IPv6 packets that are locally generated as needed. This version of the patch only fragments in tunnel mode, so that fragment headers will not be obscured by ESP in transport mode. Signed-off-by: David L Stevens <dlstevens@us.ibm.com> Acked-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-12-18ipv6: remove duplicate neigh_ifdownstephen hemminger
When device is being set to down, neigh_ifdown was being called twice. Once from addrconf notifier and once from ndisc notifier. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-12-18ipv6: fib6_ifdown cleanupstephen hemminger
Remove (unnecessary) casts to make code cleaner. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-12-17Merge branch 'master' of ↵David S. Miller
master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 Conflicts: drivers/net/bnx2x/bnx2x.h drivers/net/wireless/iwlwifi/iwl-1000.c drivers/net/wireless/iwlwifi/iwl-6000.c drivers/net/wireless/iwlwifi/iwl-core.h drivers/vhost/vhost.c
2010-12-17ceph: handle partial result from get_user_pagesHenry C Chang
The get_user_pages() helper can return fewer than the requested pages. Error out in that case, and clean up the partial result. Signed-off-by: Henry C Chang <henry_c_chang@tcloudcomputing.com> Signed-off-by: Sage Weil <sage@newdream.net>
2010-12-17ceph: mark user pages dirty on direct-io readsHenry C Chang
For read operation, we have to set the argument _write_ of get_user_pages to 1 since we will write data to pages. Also, we need to SetPageDirty before releasing these pages. Signed-off-by: Henry C Chang <henry_c_chang@tcloudcomputing.com> Signed-off-by: Sage Weil <sage@newdream.net>
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