- 27 3月, 2013 27 次提交
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由 Tony Cheneau 提交于
The previous code would just compress the UDP header and send the compressed UDP header along with the uncompressed one. Signed-off-by: NTony Cheneau <tony.cheneau@amnesiak.org> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Tony Cheneau 提交于
Signed-off-by: NTony Cheneau <tony.cheneau@amnesiak.org> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Tony Cheneau 提交于
Sets the sequence number in the frame format. Without this fix, the sequence number is always set to 0. This makes trafic analysis very hard. Signed-off-by: NTony Cheneau <tony.cheneau@amnesiak.org> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Tony Cheneau 提交于
Bring-over mac802154_dev_get_dsn() function that was present in the Linux ZigBee kernel. This function is called by the 6LoWPAN code in order to properly set the DSN (Data Sequence Number) value in the IEEE 802.15.4 frame. Signed-off-by: NTony Cheneau <tony.cheneau@amnesiak.org> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Tony Cheneau 提交于
Signed-off-by: NTony Cheneau <tony.cheneau@amnesiak.org> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Tony Cheneau 提交于
Add pr_debug() call in order to debug 6LoWPAN fragmentation and reassembly. Signed-off-by: NTony Cheneau <tony.cheneau@amnesiak.org> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Tony Cheneau 提交于
The first fragment, FRAG1, must contain some payload according to the specs. However, as it is currently written, the first fragment will remain empty and only contain the 6lowpan headers. This patch also extracts the transport layer information from the first fragment. This information is used later on when uncompressing UDP header. Thanks to Wolf-Bastian Pöttner for noticing that the offset value was not properly initialized. Signed-off-by: NTony Cheneau <tony.cheneau@amnesiak.org> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Tony Cheneau 提交于
The IEEE 802.15.4 standard uses the 0xFFFF short address (2 bytes) for message broadcasting. Signed-off-by: NTony Cheneau <tony.cheneau@amnesiak.org> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Tony Cheneau 提交于
Signed-off-by: NTony Cheneau <tony.cheneau@amnesiak.org> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Tony Cheneau 提交于
This feature is especially important when using fragmentation, because the reassembly mechanism cannot recover from the loss of a fragment. Note that some hardware ignore this flag and not will not transmit acknowledgments even if this is set. Signed-off-by: NTony Cheneau <tony.cheneau@amnesiak.org> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Tony Cheneau 提交于
This causes a drop of the UDP packet. Signed-off-by: NTony Cheneau <tony.cheneau@amnesiak.org> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Tony Cheneau 提交于
The current test is not RFC6282 compliant. The same issue has been found and fixed in Contiki. This patch is basically a port of their fix. Signed-off-by: NTony Cheneau <tony.cheneau@amnesiak.org> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Hong zhi guo 提交于
When the legacy array rtm_min still exists, the length check within these functions is covered by rtm_min[RTM_NEWTFILTER], rtm_min[RTM_NEWQDISC] and rtm_min[RTM_NEWTCLASS]. But after Thomas Graf removed rtm_min several days ago, these checks are missing. Other doit functions should be OK. Signed-off-by: NHong Zhiguo <honkiko@gmail.com> Acked-by: NThomas Graf <tgraf@suug.ch> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 David S. Miller 提交于
YOSHIFUJI Hideaki says: ==================== This is take 4 of supporting IPv6 over Firewire (IEEE 1394) based on RFC3146. Take 3->4: - Fix receiving 1394 ARP, which comes without arp$tha. - Remove rfc3146 unit directory on module exit. - other minor clean-ups - minimize diffs. ==================== Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 YOSHIFUJI Hideaki / 吉藤英明 提交于
Signed-off-by: NYOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 YOSHIFUJI Hideaki / 吉藤英明 提交于
Inspection of upper layer protocol is considered harmful, especially if it is about ARP or other stateful upper layer protocol; driver cannot (and should not) have full state of them. IPv4 over Firewire module used to inspect ARP (both in sending path and in receiving path), and record peer's GUID, max packet size, max speed and fifo address. This patch removes such inspection by extending our "hardware address" definition to include other information as well: max packet size, max speed and fifo. By doing this, The neighbour module in networking subsystem can cache them. Note: As we have started ignoring sspd and max_rec in ARP/NDP, those information will not be used in the driver when sending. When a packet is being sent, the IP layer fills our pseudo header with the extended "hardware address", including GUID and fifo. The driver can look-up node-id (the real but rather volatile low-level address) by GUID, and then the module can send the packet to the wire using parameters provided in the extendedn hardware address. This approach is realistic because IP over IEEE1394 (RFC2734) and IPv6 over IEEE1394 (RFC3146) share same "hardware address" format in their address resolution protocols. Here, extended "hardware address" is defined as follows: union fwnet_hwaddr { u8 u[16]; struct { __be64 uniq_id; /* EUI-64 */ u8 max_rec; /* max packet size */ u8 sspd; /* max speed */ __be16 fifo_hi; /* hi 16bits of FIFO addr */ __be32 fifo_lo; /* lo 32bits of FIFO addr */ } __packed uc; }; Note that Hardware address is declared as union, so that we can map full IP address into this, when implementing MCAP (Multicast Cannel Allocation Protocol) for IPv6, but IP and ARP subsystem do not need to know this format in detail. One difference between original ARP (RFC826) and 1394 ARP (RFC2734) is that 1394 ARP Request/Reply do not contain the target hardware address field (aka ar$tha). This difference is handled in the ARP subsystem. CC: Stephan Gatzka <stephan.gatzka@gmail.com> Signed-off-by: NYOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 YOSHIFUJI Hideaki / 吉藤英明 提交于
Stefan Richter <stefanr@s5r6.in-berlin.de> says: | As far as I can tell, it would be best to ignore max_rec and sspd from ARP | and NDP but keep using the respective information from firewire-core | instead (handed over by fwnet_probe()). | | Why? As I noted earlier, RFC 2734:1999 and RFC 3146:2001 were apparently | written with a too simplistic notion of IEEE 1394 bus topology, resulting | in max_rec and sspd in ARP-1394 and NDP-1394 to be useless, IMO. | | Consider a bus like this: | | A ---- B ==== C | | A, B, C are all IP-over-1394 capable nodes. ---- is an S400 cable hop, | and ==== is an S800 cable hop. | | In case of unicasts or multicasts in which node A is involved as | transmitter or receiver, as well as in case of broadcasts, the speeds | S100, S200, S400 work and speed S400 is optimal. | | In case of anything else, IOW in case of unicasts or multicasts in which | only nodes B and C are involved, the speeds S100, S200, S400, S800 work | and speed S800 is optimal. | | Clearly, node A should indicate sspd = S400 in its ARP or NDP packets. | But which sspd should nodes B and C set there? Maybe they set S400, which | would work but would waste half of the available bandwidth in the second | case. Or maybe they set S800, which is OK in the second case but would | prohibit any communication with node A if blindly taken for correct. | | On the other hand, firewire-core *always* gives us the correct and optimum | peer-to-peer speed and asynchronous packet payload, no matter how simple | or complex the bus topology is and no matter in which temporal order nodes | join the bus and are discovered. CC: Stefan Richter <stefanr@s5r6.in-berlin.de> Signed-off-by: NYOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 YOSHIFUJI Hideaki / 吉藤英明 提交于
Allocate FIFO address before registering net_device. This is preparation to change the pseudo hardware address format for firewire devices to include the offset of the FIFO for receipt of unicast datagrams, instead of mangling ARP/NDP messages in the driver layer. Signed-off-by: NYOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 YOSHIFUJI Hideaki / 吉藤英明 提交于
Send L2 multicast packet via GASP (Global asynchronous stream packet) by seeing the multicast bit in the L2 hardware address, not by seeing upper- layer protocol address. Signed-off-by: NYOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 YOSHIFUJI Hideaki / 吉藤英明 提交于
Signed-off-by: NYOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Sekhar Nori 提交于
Use devres APIs where possible to simplify error handling in driver probe. While at it, also rename the goto targets in error path to introduce some consistency in how they are named. Signed-off-by: NSekhar Nori <nsekhar@ti.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 David S. Miller 提交于
Pravin B Shelar says: ==================== Following patch series restructure GRE and IPIP tunneling code to make it modular. It adds ip_tunnel module which acts as generic tunneling layer which has common code. These patches do not change any functionality. v3:v4: - Fixed compilation error in ipv6. - Few coding style fixes. v2-v3: - Use GPL exports for all export symbols. - Set default config NET_IP_TUNNEL to m. v1-v2: - Dropped patch to convert gre_proto_lock to rtnl lock. ==================== Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Pravin B Shelar 提交于
Use common function get calculate rtnl_link_stats64 stats. Signed-off-by: NPravin B Shelar <pshelar@nicira.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Pravin B Shelar 提交于
Use common ecn_encap functions from ip_tunnel module. Signed-off-by: NPravin B Shelar <pshelar@nicira.com> Acked-by: NStephen Hemminger <stephen@networkplumber.org> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Pravin B Shelar 提交于
Fixes bug in VXLAN code where is iptunnel_xmit() called with NULL dev->tstats. This bug was introduced in commit 6aed0c8b (tunnel: use iptunnel_xmit() again). Following patch fixes bug by setting dev->tstats. It uses ip_tunnel module code to share stats function. CC: Cong Wang <xiyou.wangcong@gmail.com> Signed-off-by: NPravin B Shelar <pshelar@nicira.com> Acked-by: NStephen Hemminger <stephen@networkplumber.org> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Pravin B Shelar 提交于
Reuse common ip-tunneling code which is re-factored from GRE module. Signed-off-by: NPravin B Shelar <pshelar@nicira.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Pravin B Shelar 提交于
Following patch refactors GRE code into ip tunneling code and GRE specific code. Common tunneling code is moved to ip_tunnel module. ip_tunnel module is written as generic library which can be used by different tunneling implementations. ip_tunnel module contains following components: - packet xmit and rcv generic code. xmit flow looks like (gre_xmit/ipip_xmit)->ip_tunnel_xmit->ip_local_out. - hash table of all devices. - lookup for tunnel devices. - control plane operations like device create, destroy, ioctl, netlink operations code. - registration for tunneling modules, like gre, ipip etc. - define single pcpu_tstats dev->tstats. - struct tnl_ptk_info added to pass parsed tunnel packet parameters. ipip.h header is renamed to ip_tunnel.h Signed-off-by: NPravin B Shelar <pshelar@nicira.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 26 3月, 2013 12 次提交
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由 David S. Miller 提交于
It's always zero. Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Pravin B Shelar 提交于
ip-header id needs to be incremented even if IP_DF flag is set. This behaviour was changed in commit 490ab081 (IP_GRE: Fix IP-Identification). Following patch fixes it so that identification is always incremented. Reported-by: NCong Wang <amwang@redhat.com> Acked-by: NCong Wang <amwang@redhat.com> Signed-off-by: NPravin B Shelar <pshelar@nicira.com>
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由 Pravin B Shelar 提交于
This reverts commit d6a8c36d. Next commit makes this commit unnecessary. Acked-by: NCong Wang <amwang@redhat.com> Signed-off-by: NPravin B Shelar <pshelar@nicira.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Pravin B Shelar 提交于
This reverts commit 10c0d7ed. Next commit makes this commit unnecessary. Acked-by: NCong Wang <amwang@redhat.com> Signed-off-by: NPravin B Shelar <pshelar@nicira.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Florian Fainelli 提交于
If we have defined a sparse port allocation which is non-contiguous and contains gaps, the code freeing port_names will just stop when it encouters a first NULL port_names, which is not right, we should iterate over all possible number of ports (DSA_MAX_PORTS) until we are done. Signed-off-by: NFlorian Fainelli <florian@openwrt.org> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Florian Fainelli 提交于
This patch factors the freeing of the struct dsa_platform_data manipulated by the driver identically in two places to a single function. Signed-off-by: NFlorian Fainelli <florian@openwrt.org> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Florian Fainelli 提交于
The device tree binding documentation for dsa explicitely states that a DSA node should have its #address-cells property set to 2, yet the example still used 1, fix that typo. Signed-off-by: NFlorian Fainelli <florian@openwrt.org> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Wei Liu 提交于
This variable is never used. Signed-off-by: NWei Liu <wei.liu2@citrix.com> Acked-by: NIan Campbell <ian.campbell@citrix.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Wei Liu 提交于
This function is in fact counting the ring slots required for responses. Separate the concepts of ring slots and skb frags make the code clearer, as now netfront and netback can have different MAX_SKB_FRAGS, slot and frag are not mapped 1:1 any more. Signed-off-by: NWei Liu <wei.liu2@citrix.com> Reviewed-by: NDavid Vrabel <david.vrabel@citrix.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Wei Liu 提交于
This variable is supposed to hold reference to the last extra_info in the loop. However there is only type of extra info here and the loop to process extra info is missing, so this variable is never used and causes confusion. Remove it at the moment. We can add it back when necessary. Signed-off-by: NWei Liu <wei.liu2@citrix.com> Reviewed-by: NDavid Vrabel <david.vrabel@citrix.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Frank Li 提交于
fec_ptp.ko can't run individually rename fec.c to fec_main.c Build fec.o and fec_ptp.o into one fec.ko Remove unnessary EXPORT_SYMBOL in fec_ptp Signed-off-by: NFrank Li <Frank.Li@freescale.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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git://1984.lsi.us.es/nf-next由 David S. Miller 提交于
Pablo Neira Ayuso says: ==================== The following patchset contains Netfilter/IPVS updates for your net-next tree, they are: * Better performance in nfnetlink_queue by avoiding copy from the packet to netlink message, from Eric Dumazet. * Remove unnecessary locking in the exit path of ebt_ulog, from Gao Feng. * Use new function ipv6_iface_scope_id in nf_ct_ipv6, from Hannes Frederic Sowa. * A couple of sparse fixes for IPVS, from Julian Anastasov. * Use xor hashing in nfnetlink_queue, as suggested by Eric Dumazet, from myself. * Allow to dump expectations per master conntrack via ctnetlink, from myself. * A couple of cleanups to use PTR_RET in module init path, from Silviu-Mihai Popescu. * Remove nf_conntrack module a bit faster if netns are in use, from Vladimir Davydov. * Use checksum_partial in ip6t_NPT, from YOSHIFUJI Hideaki. * Sparse fix for nf_conntrack, from Stephen Hemminger. ==================== Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 25 3月, 2013 1 次提交
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由 David S. Miller 提交于
Merge tag 'firewire-net-resource-mgt' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394 firewire-net driver changes: - fix memory leak and kmap leak at shutdown - release IR DMA context already at ifdown rather than shutdown (many controllers have got only 4 of them, so let's not hold it longer than strictly necessary) - misc startup/shutdown changes which prepare for later addition of IPv6-over-1394 support Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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