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2016-05-10gtp: add initial driver for datapath of GPRS Tunneling Protocol (GTP-U)Pablo Neira
This is an initial implementation of a netdev driver for GTP datapath (GTP-U) v0 and v1, according to the GSM TS 09.60 and 3GPP TS 29.060 standards. This tunneling protocol is used to prevent subscribers from accessing mobile carrier core network infrastructure. This implementation requires a GGSN userspace daemon that implements the signaling protocol (GTP-C), such as OpenGGSN [1]. This userspace daemon updates the PDP context database that represents active subscriber sessions through a genetlink interface. For more context on this tunneling protocol, you can check the slides that were presented during the NetDev 1.1 [2]. Only IPv4 is supported at this time. [1] http://git.osmocom.org/openggsn/ [2] http://www.netdevconf.org/1.1/proceedings/slides/schultz-welte-osmocom-gtp.pdf Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-05-10netfilter: conntrack: remove uninitialized shadow variableArnd Bergmann
A recent commit introduced an unconditional use of an uninitialized variable, as reported in this gcc warning: net/netfilter/nf_conntrack_core.c: In function '__nf_conntrack_confirm': net/netfilter/nf_conntrack_core.c:632:33: error: 'ctinfo' may be used uninitialized in this function [-Werror=maybe-uninitialized] bytes = atomic64_read(&counter[CTINFO2DIR(ctinfo)].bytes); ^ net/netfilter/nf_conntrack_core.c:628:26: note: 'ctinfo' was declared here enum ip_conntrack_info ctinfo; The problem is that a local variable shadows the function parameter. This removes the local variable, which looks like what Pablo originally intended. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Fixes: 71d8c47fc653 ("netfilter: conntrack: introduce clash resolution on insertion race") Acked-by: Pablo Neira Ayuso <pablo@netfilter.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-05-10Merge branch 'ip6-tunnel-tx-fixes'David S. Miller
Tom Herbert says: ==================== ip6: Transmit tunneling fixes Several fixes suggested by Alexander. Tested: Running netperf TCP_STREAM with gretap and keyid configured. Visually verified that MTU is correctly being set. Did not test HW offload (Alexander plese try) ==================== Tested-by: Alexander Duyck <aduyck@mirantis.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-05-10ip6_gre: Use correct flags for reading TUNNEL_SEQTom Herbert
Fix two spots where o_flags in a tunnel are being compared to GRE_SEQ instead of TUNNEL_SEQ. Signed-off-by: Tom Herbert <tom@herbertland.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-05-10ip6: Don't set transport header in IPv6 tunnelingTom Herbert
We only need to reset network header here. Signed-off-by: Tom Herbert <tom@herbertland.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-05-10ip6_gre: Set inner protocol correctly in __gre6_xmitTom Herbert
Need to use adjusted protocol value for setting inner protocol. Signed-off-by: Tom Herbert <tom@herbertland.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-05-10gre6: Fix flag translationsTom Herbert
GRE for IPv6 does not properly translate for GRE flags to tunnel flags and vice versa. This patch fixes that. Signed-off-by: Tom Herbert <tom@herbertland.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-05-10ip6_gre: Fix MTU settingTom Herbert
In ip6gre_tnl_link_config set t->tun_len and t->hlen correctly for the configuration. For hard_header_len and mtu calculation include IPv6 header and encapsulation overhead. In ip6gre_tunnel_init_common set t->tun_len and t->hlen correctly for the configuration. Revert to setting hard_header_len instead of needed_headroom. Tested: ./ip link add name tun8 type ip6gretap remote \ 2401:db00:20:911a:face:0:27:0 local \ 2401:db00:20:911a:face:0:25:0 ttl 225 Gives MTU of 1434. That is equal to 1500 - 40 - 14 - 4 - 8. ./ip link add name tun8 type ip6gretap remote \ 2401:db00:20:911a:face:0:27:0 local \ 2401:db00:20:911a:face:0:25:0 ttl 225 okey 123 Gives MTU of 1430. That is equal to 1500 - 40 - 14 - 4 - 8 - 4. Signed-off-by: Tom Herbert <tom@herbertland.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-05-09stmmac: dwmac-socfpga: make socfpga_dwmac_pm_ops staticJoachim Eastwood
Fix the following sparse warning: drivers/net/ethernet/stmicro/stmmac/dwmac-socfpga.c:274:1: warning: symbol 'socfpga_dwmac_pm_ops' was not declared. Should it be static? Signed-off-by: Joachim Eastwood <manabian@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-05-09Merge branch 'l3mdev-send-enslaved'David S. Miller
David Ahern says: ==================== net: l3mdev: Allow send on enslaved interface First patch preps for the second. The second is required for several use cases such as ping on an interface and BFD that need to send packets on a specific interface, including ones enslaved to a VRF device. v2 - fixed brackets on both patches per comment from DaveM ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2016-05-09net: l3mdev: Allow send on enslaved interfaceDavid Ahern
Allow udp and raw sockets to send by oif that is an enslaved interface versus the l3mdev/VRF device. For example, this allows BFD to use ifindex from IP_PKTINFO on a receive to send a response without the need to convert to the VRF index. It also allows ping and ping6 to work when specifying an enslaved interface (e.g., ping -I swp1 <ip>) which is a natural use case. Signed-off-by: David Ahern <dsa@cumulusnetworks.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-05-09net: l3mdev: Move get_saddr and rt6_dstDavid Ahern
Move l3mdev_rt6_dst_by_oif and l3mdev_get_saddr to l3mdev.c. Collapse l3mdev_get_rt6_dst into l3mdev_rt6_dst_by_oif since it is the only user and keep the l3mdev_get_rt6_dst name for consistency with other hooks. A follow-on patch adds more code to these functions making them long for inlined functions. Signed-off-by: David Ahern <dsa@cumulusnetworks.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-05-09fjes: Fix unnecessary spinlock_irqsaveTaku Izumi
commit-bd5a256 introduces a deadlock bug in fjes_change_mtu(). This spin_lock_irqsave() is obviously unnecessary. This patch eliminates unnecessary spin_lock_irqsave() in fjes_change_mtu() Signed-off-by: Taku Izumi <izumi.taku@jp.fujitsu.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-05-09mlx5: Fix merge errors.David S. Miller
I accidently let Arnd's VXLAN dependency changes slip into net-next, they are only appropriate for net. Also the flow steering structural changes to mlx5e_priv got scrambled during the merge resolution as well. Fix that all up. Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-05-09Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netDavid S. Miller
In netdevice.h we removed the structure in net-next that is being changes in 'net'. In macsec.c and rtnetlink.c we have overlaps between fixes in 'net' and the u64 attribute changes in 'net-next'. The mlx5 conflicts have to do with vxlan support dependencies. Signed-off-by: David S. Miller <davem@davemloft.net>
2016-05-09Merge branch 'linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 Pull crypto fixes from Herbert Xu: "This fixes the following issues: - bug in ahash SG list walking that may lead to crashes - resource leak in qat - missing RSA dependency that causes it to fail" * 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: crypto: rsa - select crypto mgr dependency crypto: hash - Fix page length clamping in hash walk crypto: qat - fix adf_ctl_drv.c:undefined reference to adf_init_pf_wq crypto: qat - fix invalid pf2vf_resp_wq logic
2016-05-09Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netLinus Torvalds
Pull networking fixes from David Miller: 1) Check klogctl failure correctly, from Colin Ian King. 2) Prevent OOM when under memory pressure in flowcache, from Steffen Klassert. 3) Fix info leak in llc and rtnetlink ifmap code, from Kangjie Lu. 4) Memory barrier and multicast handling fixes in bnxt_en, from Michael Chan. 5) Endianness bug in mlx5, from Daniel Jurgens. 6) Fix disconnect handling in VSOCK, from Ian Campbell. 7) Fix locking of netdev list walking in get_bridge_ifindices(), from Nikolay Aleksandrov. 8) Bridge multicast MLD parser can look at wrong packet offsets, fix from Linus Lüssing. 9) Fix chip hang in qede driver, from Sudarsana Reddy Kalluru. 10) Fix missing setting of encapsulation before inner handling completes in udp_offload code, from Jarno Rajahalme. 11) Missing rollbacks during LAG join and flood configuration failures in mlxsw driver, from Ido Schimmel. 12) Fix error code checks in netxen driver, from Dan Carpenter. 13) Fix key size in new macsec driver, from Sabrina Dubroca. 14) Fix mlx5/VXLAN dependencies, from Arnd Bergmann. * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (29 commits) net/mlx5e: make VXLAN support conditional Revert "net/mlx5: Kconfig: Fix MLX5_EN/VXLAN build issue" macsec: key identifier is 128 bits, not 64 Documentation/networking: more accurate LCO explanation macvtap: segmented packet is consumed tools: bpf_jit_disasm: check for klogctl failure qede: uninitialized variable in qede_start_xmit() netxen: netxen_rom_fast_read() doesn't return -1 netxen: reversed condition in netxen_nic_set_link_parameters() netxen: fix error handling in netxen_get_flash_block() mlxsw: spectrum: Add missing rollback in flood configuration mlxsw: spectrum: Fix rollback order in LAG join failure udp_offload: Set encapsulation before inner completes. udp_tunnel: Remove redundant udp_tunnel_gro_complete(). qede: prevent chip hang when increasing channels net: ipv6: tcp reset, icmp need to consider L3 domain bridge: fix igmp / mld query parsing net: bridge: fix old ioctl unlocked net device walk VSOCK: do not disconnect socket when peer has shutdown SEND only net/mlx4_en: Fix endianness bug in IPV6 csum calculation ...
2016-05-09Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf-nextDavid S. Miller
Pablo Neira Ayuso says: ==================== Netfilter updates for net-next The following large patchset contains Netfilter updates for your net-next tree. My initial intention was to send you this in two goes but when I looked back twice I already had this burden on top of me. Several updates for IPVS from Marco Angaroni: 1) Allow SIP connections originating from real-servers to be load balanced by the SIP persistence engine as is already implemented in the other direction. 2) Release connections immediately for One-packet-scheduling (OPS) in IPVS, instead of making it via timer and rcu callback. 3) Skip deleting conntracks for each one packet in OPS, and don't call nf_conntrack_alter_reply() since no reply is expected. 4) Enable drop on exhaustion for OPS + SIP persistence. Miscelaneous conntrack updates from Florian Westphal, including fix for hash resize: 5) Move conntrack generation counter out of conntrack pernet structure since this is only used by the init_ns to allow hash resizing. 6) Use get_random_once() from packet path to collect hash random seed instead of our compound. 7) Don't disable BH from ____nf_conntrack_find() for statistics, use NF_CT_STAT_INC_ATOMIC() instead. 8) Fix lookup race during conntrack hash resizing. 9) Introduce clash resolution on conntrack insertion for connectionless protocol. Then, Florian's netns rework to get rid of per-netns conntrack table, thus we use one single table for them all. There was consensus on this change during the NFWS 2015 and, on top of that, it has recently been pointed as a source of multiple problems from unpriviledged netns: 11) Use a single conntrack hashtable for all namespaces. Include netns in object comparisons and make it part of the hash calculation. Adapt early_drop() to consider netns. 12) Use single expectation and NAT hashtable for all namespaces. 13) Use a single slab cache for all namespaces for conntrack objects. 14) Skip full table scanning from nf_ct_iterate_cleanup() if the pernet conntrack counter tells us the table is empty (ie. equals zero). Fixes for nf_tables interval set element handling, support to set conntrack connlabels and allow set names up to 32 bytes. 15) Parse element flags from element deletion path and pass it up to the backend set implementation. 16) Allow adjacent intervals in the rbtree set type for dynamic interval updates. 17) Add support to set connlabel from nf_tables, from Florian Westphal. 18) Allow set names up to 32 bytes in nf_tables. Several x_tables fixes and updates: 19) Fix incorrect use of IS_ERR_VALUE() in x_tables, original patch from Andrzej Hajda. And finally, miscelaneous netfilter updates such as: 20) Disable automatic helper assignment by default. Note this proc knob was introduced by a9006892643a ("netfilter: nf_ct_helper: allow to disable automatic helper assignment") 4 years ago to start moving towards explicit conntrack helper configuration via iptables CT target. 21) Get rid of obsolete and inconsistent debugging instrumentation in x_tables. 22) Remove unnecessary check for null after ip6_route_output(). ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2016-05-09compiler-gcc: require gcc 4.8 for powerpc __builtin_bswap16()Josh Poimboeuf
gcc support for __builtin_bswap16() was supposedly added for powerpc in gcc 4.6, and was then later added for other architectures in gcc 4.8. However, Stephen Rothwell reported that attempting to use it on powerpc in gcc 4.6 fails with: lib/vsprintf.c:160:2: error: initializer element is not constant lib/vsprintf.c:160:2: error: (near initialization for 'decpair[0]') lib/vsprintf.c:160:2: error: initializer element is not constant lib/vsprintf.c:160:2: error: (near initialization for 'decpair[1]') ... I'm not entirely sure what those errors mean, but I don't see them on gcc 4.8. So let's consider gcc 4.8 to be the official starting point for __builtin_bswap16(). Arnd Bergmann adds: "I found the commit in gcc-4.8 that replaced the powerpc-specific implementation of __builtin_bswap16 with an architecture-independent one. Apparently the powerpc version (gcc-4.6 and 4.7) just mapped to the lhbrx/sthbrx instructions, so it ended up not being a constant, though the intent of the patch was mainly to add support for the builtin to x86: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=52624 has the patch that went into gcc-4.8 and more information." Fixes: 7322dd755e7d ("byteswap: try to avoid __builtin_constant_p gcc bug") Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Tested-by: Stephen Rothwell <sfr@canb.auug.org.au> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com> Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2016-05-09Merge branch 'dsa-mv88e6xxx-monolithic'David S. Miller
Vivien Didelot says: ==================== net: dsa: mv88e6xxx: turn into monolithic driver This patchset merges all mv88e6* drivers supported by the shared mv88e6xxx code into a single mv88e6xxx DSA switch driver. Some flags are added to describe the capabilities of a switch model, such as the presence of a PPU, EEPROM, some old or new registers, etc. First these flags are used to conditionally support the same set of functions in every driver, then specific driver files are removed in favor of the common mv88e6xxx driver. Only the merge of driver specific setup code assumes a few differences. If these differences such as frames priorities are really needed for some models, they can easily be brought back in a future patch. Some inconsistencies might show up, such as the need for MV88E6XXX_FLAG_PPU and MV88E6XXX_FLAG_PPU_ACTIVE flags. But this patchset does not aim to fix them yet. A future patch can do that if they end up being unwanted. The patchset has been tested on interconnected 88E6352 and 88E6185. Changes v1 -> v2: - add missing MV88E6XXX_FLAG_EEPROM flag checks - remove a few remaining _ prefixes - remove MV88E6XXX_FLAG_CORE_TAG_TYPE which is a specific default Changes RFC -> v1: - introduce flags in a separate patch - do not refactor anything yet - do not add new functions prefixed with _ - drop packet discarding and mentioned tested platforms - factorize family flags - update text for NET_DSA_MV88E6XXX Kconfig entry ==================== Reviewed-by: Andrew Lunn <andrew@lunn.ch> Tested-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-05-09net: dsa: mv88e6xxx: factorize the switch driverVivien Didelot
Now that all drivers support the same set of functions and the same setup code, drop every model-specific DSA switch driver and replace them with a common mv88e6xxx driver. This merges the info tables into one, removes the function exports, the model-specific files, and update the defconfigs. Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-05-09net: dsa: mv88e6131: use EDSA tag protocolVivien Didelot
6131 is the only driver to set the tag protocol to DSA_TAG_PROTO_DSA. Since it works fine with DSA_TAG_PROTO_EDSA, change its value, like all other mv88e6xxx drivers. Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-05-09net: dsa: mv88e6xxx: factorize switch setupVivien Didelot
Provide a shared mv88e6xxx_setup function to the drivers. Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-05-09net: dsa: mv88e6131: drop frames priorities setupVivien Didelot
6131 is the only driver which setups the priority of IGMP/MLD snoop frames and ARP frames to the highest setting. Drop such change until we figure out a common configuration for all switch models. Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-05-09net: dsa: mv88e6xxx: factorize GLOBAL_CONTROL_2 setupVivien Didelot
All switch models setup the GLOBAL_CONTROL_2 register with slightly differences. Since the cascade mode is valid even in a single chip setup, factorize such configuration. Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-05-09net: dsa: mv88e6xxx: factorize GLOBAL_MONITOR_CONTROL setupVivien Didelot
All switch drivers configure the GLOBAL_MONITOR_CONTROL register with slightly changes. Assume the setup of the upstream port, and configure it as the port to which ingress and egress and ARP monitor frames are to be sent. Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-05-09net: dsa: mv88e6131: drop VLAN Ethertype setupVivien Didelot
The 6131 switch models have a Core Tag Type register. Their setup code is setting it to 0x8100, which is the reset default. Drop this specific part which is correctly configured on reset anyway. Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-05-09net: dsa: mv88e6xxx: factorize GLOBAL_CONTROL setupVivien Didelot
All switch models configure the GLOBAL_CONTROL register with slightly differences. Discarding packets with excessive collisions (GLOBAL_CONTROL_DISCARD_EXCESS) is specific to 6352 and similar switches, and setting a maximum frame size (GLOBAL_CONTROL_MAX_FRAME_1632) is specific to 6185 and similar switches. As we are centralizing the chips setup, skip these settings and don't discard any frames yet, until we found out that such discarding by the hardware is necessary. Assume a common setup to enable the PHY Polling Unit if present, don't discard any packets, and mask all interrupt sources. Tested on 88E6352 and 88E6185. Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-05-09net: dsa: mv88e6xxx: factorize global setupVivien Didelot
Every driver is calling mv88e6xxx_setup_global after mv88e6xxx_setup_common. Call the former in the latter. Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-05-09net: dsa: mv88e6xxx: factorize switch resetVivien Didelot
Add a MV88E6XXX_FLAG_PPU_ACTIVE flag to describe how to reset the switch, and merge the reset call to the common setup code. Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-05-09net: dsa: mv88e6xxx: factorize ATU accessVivien Didelot
Add a MV88E6XXX_FLAG_ATU flag to identify switch models with an Address Translation Unit. Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-05-09net: dsa: mv88e6xxx: factorize VTU accessVivien Didelot
Add a MV88E6XXX_FLAG_VTU flag to indentify switch models with a VLAN Table Unit. Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-05-09net: dsa: mv88e6xxx: factorize bridge supportVivien Didelot
Add MV88E6XXX_FLAG_PORTSTATE and MV88E6XXX_FLAG_VLANTABLE flags to identify switch models with required 802.1D operations. Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-05-09net: dsa: mv88e6131: add registers accessVivien Didelot
Only 6131 was not supporting the port registers access yet. Assume such support and use the unlock access routines in the meantime. Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-05-09net: dsa: mv88e6xxx: factorize EEE accessVivien Didelot
Add a MV88E6XXX_FLAG_EEE flag to describe switch models featuring Energy Efficient Ethernet. Use it to conditionally support such access in the common code. Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-05-09net: dsa: mv88e6xxx: factorize MAC address settingVivien Didelot
Some switch models have a dedicated register for Switch MAC/WoF/WoL. This register, when present, is used to indirectly set the switch MAC address, instead of a direct write to 3 global registers. Identify this feature and share a common mv88e6xxx_set_addr function. Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-05-09net: dsa: mv88e6xxx: factorize temperature accessVivien Didelot
Add MV88E6XXX_FLAG_TEMP and MV88E6XXX_FLAG_TEMP_LIMIT flags to describe switch models featuring a temperature access. Use them to centralize the access to the temperature feature. Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-05-09net: dsa: mv88e6xxx: factorize EEPROM accessVivien Didelot
Add a MV88E6XXX_FLAG_EEPROM flag to describe switch models featuring an EEPROM and distribute the EEPROM access routines to all models. Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-05-09net: dsa: mv88e6xxx: factorize PHY indirect accessVivien Didelot
Some switch has dedicated SMI PHY Command and Data registers, used to indirectly access the PHYs, instead of direct access. Identify these switch models and make mv88e6xxx_phy_{read,write} generic enough to support every models. Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-05-09net: dsa: mv88e6xxx: factorize PHY access with PPUVivien Didelot
Add a MV88E6XXX_FLAG_PPU flag to describe switch models with a PHY Polling Unit. This allows to merge PPU specific PHY access code in the share code. Make the mv88e6xxx_ppu_disable and mv88e6xxx_phy_{read,write}_ppu functions use unlocked register accesses in order to call them in mv88e6xxx_phy_{read,write} in a locked context. Since the PPU code is shared, also remove NET_DSA_MV88E6XXX_NEED_PPU. Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-05-09net: dsa: mv88e6xxx: add flags to infoVivien Didelot
Add a flags bitmap to the info structure in order to identify features supported or not by the different switch models. Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-05-09netfilter: conntrack: use single slab cacheFlorian Westphal
An earlier patch changed lookup side to also net_eq() namespaces after obtaining a reference on the conntrack, so a single kmemcache can be used. Signed-off-by: Florian Westphal <fw@strlen.de> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2016-05-09netfilter: conntrack: use a single nat bysource table for all namespacesFlorian Westphal
We already include netns address in the hash, so we only need to use net_eq in find_appropriate_src and can then put all entries into same table. Signed-off-by: Florian Westphal <fw@strlen.de> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2016-05-09netfilter: conntrack: make netns address part of nat bysrc hashFlorian Westphal
Will be needed soon when we place all in the same hash table. Signed-off-by: Florian Westphal <fw@strlen.de> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2016-05-09Merge branch 'mlx5-build-fix'David S. Miller
Saeed Mahameed says: ==================== net/mlx5e: Kconfig fixes for VxLAN Reposting to net the build errors fixes posted by Arnd last week. Originally Arnd posted those fixes to net-next, while the issue is also seen in net. For net-next a different approach is required for fixing the issue as VXLAN and Device Drivers are no longer dependent, but there is no harm for those fixes to get into net-next. Optionally, once net is merged into net-next we can Revert "net/mlx5e: make VXLAN support conditional" as the CONFIG_MLX5_CORE_EN_VXLAN will no longer be required. Applied on top: 288928658583 ('mlxsw: spectrum: Add missing rollback in flood configuration') ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2016-05-09net/mlx5e: make VXLAN support conditionalArnd Bergmann
VXLAN can be disabled at compile-time or it can be a loadable module while mlx5 is built-in, which leads to a link error: drivers/net/built-in.o: In function `mlx5e_create_netdev': ntb_netdev.c:(.text+0x106de4): undefined reference to `vxlan_get_rx_port' This avoids the link error and makes the vxlan code optional, like the other ethernet drivers do as well. Link: https://patchwork.ozlabs.org/patch/589296/ Fixes: b3f63c3d5e2c ("net/mlx5e: Add netdev support for VXLAN tunneling") Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-05-09Revert "net/mlx5: Kconfig: Fix MLX5_EN/VXLAN build issue"Arnd Bergmann
This reverts commit 69976fb1045850a742deb9790ea49cbc6f497531. We cannot select VXLAN when IPv4 support is disabled, that just gives us additional build errors, including: warning: (MLX5_CORE_EN) selects VXLAN which has unmet direct dependencies (NETDEVICES && NET_CORE && INET) In file included from ../drivers/net/vxlan.c:36:0: include/net/udp_tunnel.h: In function 'udp_tunnel_handle_offloads': include/net/udp_tunnel.h:112:9: error: implicit declaration of function 'iptunnel_handle_offloads' [-Werror=implicit-function-declaration] return iptunnel_handle_offloads(skb, type); ^~~~~~~~~~~~~~~~~~~~~~~~ I'm sending a proper fix for the original bug in a separate patch. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-05-09Merge branch 'sh_eth-sw-reset'David S. Miller
Sergei Shtylyov says: ==================== sh_eth: couple of software reset bit cleanups Here's a set of 2 patches against DaveM's 'net-next.git' repo. We can save on the repetitive chip reset code... [1/2] sh_eth: call sh_eth_tsu_write() from sh_eth_chip_reset_giga() [2/2] sh_eth: reuse sh_eth_chip_reset() ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2016-05-09sh_eth: reuse sh_eth_chip_reset()Sergei Shtylyov
All the chip_reset() methods repeat the code writing to the ARSTR register and delaying for 1 ms, so that we can reuse sh_eth_chip_reset() twice. Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-05-09sh_eth: call sh_eth_tsu_write() from sh_eth_chip_reset_giga()Sergei Shtylyov
sh_eth_chip_reset_giga() doesn't really need to use direct iowrite32() when writing to the ARSTR register, it can use sh_eth_tsu_write() as all other chip_reset() methods. Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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