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2013-09-01ipv6: Add generic UDP Tunnel segmentationCong Wang2-52/+111
Similar to commit 731362674580cb0c696cd1b1a03d8461a10cf90a (tunneling: Add generic Tunnel segmentation) This patch adds generic tunneling offloading support for IPv6-UDP based tunnels. This can be used by tunneling protocols like VXLAN. Cc: Jesse Gross <jesse@nicira.com> Cc: Pravin B Shelar <pshelar@nicira.com> Cc: Stephen Hemminger <stephen@networkplumber.org> Cc: David S. Miller <davem@davemloft.net> Signed-off-by: Cong Wang <amwang@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-09-01vxlan: add ipv6 proxy supportCong Wang5-6/+95
This patch adds the IPv6 version of "arp_reduce", ndisc_send_na() will be needed. Cc: David S. Miller <davem@davemloft.net> Cc: David Stevens <dlstevens@us.ibm.com> Signed-off-by: Cong Wang <amwang@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-09-01ipv6: move in6_dev_finish_destroy() into core kernelCong Wang2-30/+31
in6_dev_put() will be needed by vxlan module, so is in6_dev_finish_destroy(). Cc: David S. Miller <davem@davemloft.net> Signed-off-by: Cong Wang <amwang@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-09-01vxlan: add ipv6 route short circuit supportCong Wang3-2/+30
route short circuit only has IPv4 part, this patch adds the IPv6 part. nd_tbl will be needed. Cc: David S. Miller <davem@davemloft.net> Cc: David Stevens <dlstevens@us.ibm.com> Signed-off-by: Cong Wang <amwang@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-09-01vxlan: add ipv6 supportCong Wang4-148/+622
This patch adds IPv6 support to vxlan device, as the new version RFC already mentions it: http://tools.ietf.org/html/draft-mahalingam-dutt-dcops-vxlan-03 Cc: David Stevens <dlstevens@us.ibm.com> Cc: Stephen Hemminger <stephen@networkplumber.org> Cc: David S. Miller <davem@davemloft.net> Signed-off-by: Cong Wang <amwang@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-09-01ipv6: do not call ndisc_send_rs() with write lockCong Wang1-3/+7
Because vxlan module will call ip6_dst_lookup() in TX path, which will hold write lock. So we have to release this write lock before calling ndisc_send_rs(), otherwise could deadlock. Reviewed-by: Hannes Frederic Sowa <hannes@stressinduktion.org> Signed-off-by: Cong Wang <amwang@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-09-01ipv6: export in6addr_loopback to modulesCong Wang2-9/+16
It is needed by vxlan module. Noticed by Mike. Cc: Mike Rapoport <mike.rapoport@ravellosystems.com> Signed-off-by: Cong Wang <amwang@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-09-01ipv6: export a stub for IPv6 symbols used by vxlanCong Wang3-0/+29
In case IPv6 is compiled as a module, introduce a stub for ipv6_sock_mc_join and ipv6_sock_mc_drop etc.. It will be used by vxlan module. Suggested by Ben. This is an ugly but easy solution for now. Cc: Ben Hutchings <bhutchings@solarflare.com> Cc: Stephen Hemminger <stephen@networkplumber.org> Cc: David S. Miller <davem@davemloft.net> Signed-off-by: Cong Wang <amwang@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-09-01ipv6: move ip6_local_out into core kernelCong Wang2-25/+26
It will be used the vxlan kernel module. Signed-off-by: Cong Wang <amwang@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-09-01ipv6: move ip6_dst_hoplimit() into core kernelCong Wang4-21/+24
It will be used by vxlan, and may not be inlined. Cc: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: Cong Wang <amwang@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-09-01Merge branch 'for-davem' of ↵David S. Miller39-271/+4404
git://git.kernel.org/pub/scm/linux/kernel/git/bwh/sfc-next Ben Hutchings says: ==================== 1. A little more refactoring. 2. Remove the unnecessary use of atomic_t that you pointed out. 3. Add support for starting or queueing firmware requests from atomic context. 4. Add hwmon support for additional sensors found on some new boards. 5. Add support for the EF10 controller architecture, the SFC9100 family and specifically the SFC9120 controller. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2013-09-01qdisc: fix build with !CONFIG_NET_SCHEDstephen hemminger2-5/+4
Multiqueue scheduler refers to default_qdisc_ops; therefore the variable definition needs to be moved to handle case where net scheduler API is not available. Signed-off-by: Stephen Hemminger <stephen@networkplumber.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-09-01qdisc: make args to qdisc_create_default conststephen hemminger2-4/+5
Fixes warnings introduced by the qdisc default patch. Signed-off-by: Stephen Hemminger <stephen@networkplumber.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-08-31qdisc: allow setting default queuing disciplinestephen hemminger8-8/+112
By default, the pfifo_fast queue discipline has been used by default for all devices. But we have better choices now. This patch allow setting the default queueing discipline with sysctl. This allows easy use of better queueing disciplines on all devices without having to use tc qdisc scripts. It is intended to allow an easy path for distributions to make fq_codel or sfq the default qdisc. This patch also makes pfifo_fast more of a first class qdisc, since it is now possible to manually override the default and explicitly use pfifo_fast. The behavior for systems who do not use the sysctl is unchanged, they still get pfifo_fast Also removes leftover random # in sysctl net core. Signed-off-by: Stephen Hemminger <stephen@networkplumber.org> Acked-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-08-31net/fec: cleanup types in fec_get_mac()Dan Carpenter1-4/+4
My static checker complains that on some arches unsigned longs can be 8 characters which is larger than the buffer is only 6 chars. Additionally, Ben Hutchings points out that the buffer actually holds big endian data and the buffer we are reading from is CPU endian. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Reviewed-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-08-31net: stmmac: use dev_get_platdata()Jingoo Han1-1/+1
Use the wrapper function for retrieving the platform data instead of accessing dev->platform_data directly. This is a cosmetic change to make the code simpler and enhance the readability. Signed-off-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-08-31net: macb: use dev_get_platdata()Jingoo Han1-3/+3
Use the wrapper function for retrieving the platform data instead of accessing dev->platform_data directly. This is a cosmetic change to make the code simpler and enhance the readability. Signed-off-by: Jingoo Han <jg1.han@samsung.com> Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-08-31net: at91_ether: use dev_get_platdata()Jingoo Han1-1/+1
Use the wrapper function for retrieving the platform data instead of accessing dev->platform_data directly. This is a cosmetic change to make the code simpler and enhance the readability. Signed-off-by: Jingoo Han <jg1.han@samsung.com> Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-08-31net: mdio-mux-gpio: use dev_get_platdata()Jingoo Han1-1/+1
Use the wrapper function for retrieving the platform data instead of accessing dev->platform_data directly. This is a cosmetic change to make the code simpler and enhance the readability. Signed-off-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-08-31net: mdio-gpio: use dev_get_platdata()Jingoo Han1-1/+1
Use the wrapper function for retrieving the platform data instead of accessing dev->platform_data directly. This is a cosmetic change to make the code simpler and enhance the readability. Signed-off-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-08-31net: ixp4xx_eth: use dev_get_platdata()Jingoo Han1-1/+1
Use the wrapper function for retrieving the platform data instead of accessing dev->platform_data directly. This is a cosmetic change to make the code simpler and enhance the readability. Signed-off-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-08-31net: w5100: use dev_get_platdata()Jingoo Han1-1/+1
Use the wrapper function for retrieving the platform data instead of accessing dev->platform_data directly. This is a cosmetic change to make the code simpler and enhance the readability. Signed-off-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-08-31net: w5300: use dev_get_platdata()Jingoo Han1-1/+1
Use the wrapper function for retrieving the platform data instead of accessing dev->platform_data directly. This is a cosmetic change to make the code simpler and enhance the readability. Signed-off-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-08-31net: tsi108: use dev_get_platdata()Jingoo Han1-1/+1
Use the wrapper function for retrieving the platform data instead of accessing dev->platform_data directly. This is a cosmetic change to make the code simpler and enhance the readability. Signed-off-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-08-31net: davinci_mdio: use dev_get_platdata()Jingoo Han1-1/+1
Use the wrapper function for retrieving the platform data instead of accessing dev->platform_data directly. This is a cosmetic change to make the code simpler and enhance the readability. Signed-off-by: Jingoo Han <jg1.han@samsung.com> Acked-by: Mugunthan V N <mugunthanvnm@ti.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-08-31net: davinci_emac: use dev_get_platdata()Jingoo Han1-1/+1
Use the wrapper function for retrieving the platform data instead of accessing dev->platform_data directly. This is a cosmetic change to make the code simpler and enhance the readability. Signed-off-by: Jingoo Han <jg1.han@samsung.com> Acked-by: Mugunthan V N <mugunthanvnm@ti.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-08-31net: cpmac: use dev_get_platdata()Jingoo Han1-3/+3
Use the wrapper function for retrieving the platform data instead of accessing dev->platform_data directly. This is a cosmetic change to make the code simpler and enhance the readability. Signed-off-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-08-31net: niu: use dev_get_platdata()Jingoo Han1-4/+4
Use the wrapper function for retrieving the platform data instead of accessing dev->platform_data directly. This is a cosmetic change to make the code simpler and enhance the readability. Signed-off-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-08-31net: smsc911x: use dev_get_platdata()Jingoo Han1-1/+1
Use the wrapper function for retrieving the platform data instead of accessing dev->platform_data directly. This is a cosmetic change to make the code simpler and enhance the readability. Signed-off-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-08-31net: smc911x: use dev_get_platdata()Jingoo Han1-1/+1
Use the wrapper function for retrieving the platform data instead of accessing dev->platform_data directly. This is a cosmetic change to make the code simpler and enhance the readability. Signed-off-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-08-31net: smc91x: use dev_get_platdata()Jingoo Han1-1/+1
Use the wrapper function for retrieving the platform data instead of accessing dev->platform_data directly. This is a cosmetic change to make the code simpler and enhance the readability. Signed-off-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-08-31net: seeq: use dev_get_platdata()Jingoo Han1-1/+1
Use the wrapper function for retrieving the platform data instead of accessing dev->platform_data directly. This is a cosmetic change to make the code simpler and enhance the readability. Signed-off-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-08-31net: sh_eth: use dev_get_platdata()Jingoo Han1-1/+1
Use the wrapper function for retrieving the platform data instead of accessing dev->platform_data directly. This is a cosmetic change to make the code simpler and enhance the readability. Signed-off-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-08-31net: netx-eth: use dev_get_platdata()Jingoo Han1-1/+1
Use the wrapper function for retrieving the platform data instead of accessing dev->platform_data directly. This is a cosmetic change to make the code simpler and enhance the readability. Signed-off-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-08-31net: ks8851-ml: use dev_get_platdata()Jingoo Han1-1/+1
Use the wrapper function for retrieving the platform data instead of accessing dev->platform_data directly. This is a cosmetic change to make the code simpler and enhance the readability. Signed-off-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-08-31net: ks8842: use dev_get_platdata()Jingoo Han1-1/+1
Use the wrapper function for retrieving the platform data instead of accessing dev->platform_data directly. This is a cosmetic change to make the code simpler and enhance the readability. Signed-off-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-08-31net: pxa168_eth: use dev_get_platdata()Jingoo Han1-1/+1
Use the wrapper function for retrieving the platform data instead of accessing dev->platform_data directly. This is a cosmetic change to make the code simpler and enhance the readability. Signed-off-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-08-31net: mv643xx_eth: use dev_get_platdata()Jingoo Han1-2/+2
Use the wrapper function for retrieving the platform data instead of accessing dev->platform_data directly. This is a cosmetic change to make the code simpler and enhance the readability. Signed-off-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-08-31net: fec: use dev_get_platdata()Jingoo Han1-2/+2
Use the wrapper function for retrieving the platform data instead of accessing dev->platform_data directly. This is a cosmetic change to make the code simpler and enhance the readability. Signed-off-by: Jingoo Han <jg1.han@samsung.com> Acked-by: Fugang Duan <B38611@freescale.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-08-31net: ethoc: use dev_get_platdata()Jingoo Han1-2/+2
Use the wrapper function for retrieving the platform data instead of accessing dev->platform_data directly. This is a cosmetic change to make the code simpler and enhance the readability. Signed-off-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-08-31net: dm9000: use dev_get_platdata()Jingoo Han1-1/+1
Use the wrapper function for retrieving the platform data instead of accessing dev->platform_data directly. This is a cosmetic change to make the code simpler and enhance the readability. Signed-off-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-08-31net: ep93xx_eth: use dev_get_platdata()Jingoo Han1-1/+1
Use the wrapper function for retrieving the platform data instead of accessing dev->platform_data directly. This is a cosmetic change to make the code simpler and enhance the readability. Signed-off-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-08-31net: bcm63xx_enet: use dev_get_platdata()Jingoo Han1-3/+3
Use the wrapper function for retrieving the platform data instead of accessing dev->platform_data directly. This is a cosmetic change to make the code simpler and enhance the readability. Signed-off-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-08-31net: au1000_eth: use dev_get_platdata()Jingoo Han1-1/+1
Use the wrapper function for retrieving the platform data instead of accessing dev->platform_data directly. This is a cosmetic change to make the code simpler and enhance the readability. Signed-off-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-08-31net: bfin_mac: use dev_get_platdata()Jingoo Han1-3/+3
Use the wrapper function for retrieving the platform data instead of accessing dev->platform_data directly. This is a cosmetic change to make the code simpler and enhance the readability. Signed-off-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-08-31net: ax88796: use dev_get_platdata()Jingoo Han1-1/+1
Use the wrapper function for retrieving the platform data instead of accessing dev->platform_data directly. This is a cosmetic change to make the code simpler and enhance the readability. Signed-off-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-08-31macvlan: fix typo in assignmentLutz Jaenicke1-1/+1
commit 3b04ddde02cf1b6f14f2697da5c20eca5715017f "[NET]: Move hardware header operations out of netdevice." moved the handling into macvlan setup adding dev->header_ops = &macvlan_hard_header_ops, At the end of the line the ',' should have been a ';' Signed-off-by: Lutz Jaenicke <ljaenicke@innominate.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-08-31driver:net:stmmac: Disable DMA store and forward mode if platform data ↵Sonic Zhang5-1/+17
force_thresh_dma_mode is set. Some synopsys ip implementation doesn't support DMA store and forward mode, such as BF60x. So, set force_thresh_dma_mode to use DMA thresholds only. Update document and devicetree as well. Signed-off-by: Sonic Zhang <sonic.zhang@analog.com> Acked-by: Giuseppe Cavallaro <peppe.cavallaro@st.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-08-31ipv6: Remove redundant sk variableThomas Graf1-1/+0
A sk variable initialized to ndisc_sk is already available outside of the branch. Signed-off-by: Thomas Graf <tgraf@suug.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-08-30tcp: do not use cached RTT for RTT estimationYuchung Cheng1-33/+11
RTT cached in the TCP metrics are valuable for the initial timeout because SYN RTT usually does not account for serialization delays on low BW path. However using it to seed the RTT estimator maybe disruptive because other components (e.g., pacing) require the smooth RTT to be obtained from actual connection. The solution is to use the higher cached RTT to set the first RTO conservatively like tcp_rtt_estimator(), but avoid seeding the other RTT estimator variables such as srtt. It is also a good idea to keep RTO conservative to obtain the first RTT sample, and the performance is insured by TCP loss probe if SYN RTT is available. To keep the seeding formula consistent across SYN RTT and cached RTT, the rttvar is twice the cached RTT instead of cached RTTVAR value. The reason is because cached variation may be too small (near min RTO) which defeats the purpose of being conservative on first RTO. However the metrics still keep the RTT variations as they might be useful for user applications (through ip). Signed-off-by: Yuchung Cheng <ycheng@google.com> Signed-off-by: Neal Cardwell <ncardwell@google.com> Signed-off-by: Eric Dumazet <edumazet@google.com> Tested-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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