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2014-11-21vlan: rename __vlan_put_tag to vlan_insert_tag_set_protoJiri Pirko11-30/+36
Name fits better. Plus there's going to be introduced __vlan_insert_tag later on. Signed-off-by: Jiri Pirko <jiri@resnulli.us> Acked-by: Pravin B Shelar <pshelar@nicira.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-11-21vlan: kill vlan_put_tag helperJiri Pirko4-39/+7
Since both tx and rx paths work with skb->vlan_tci, there's no need for this function anymore. Switch users directly to __vlan_hwaccel_put_tag. Signed-off-by: Jiri Pirko <jiri@resnulli.us> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-11-21vlan: make __vlan_hwaccel_put_tag return voidJiri Pirko3-10/+7
Always returns the same skb it gets, so change to void. Signed-off-by: Jiri Pirko <jiri@resnulli.us> Acked-by: Pravin B Shelar <pshelar@nicira.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-11-21openvswitch: actions: use skb_postpull_rcsum when possibleJiri Pirko1-7/+2
Replace duplicated code by calling skb_postpull_rcsum Suggested-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: Jiri Pirko <jiri@resnulli.us> Acked-by: Pravin B Shelar <pshelar@nicira.com> Acked-by: Simon Horman <simon.horman@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-11-21l2tp_eth: allow to set a specific mac addressAlexander Couzens1-0/+1
Signed-off-by: Alexander Couzens <lynxis@fe80.eu> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-11-21net: phy: micrel: add copyright entryJohan Hovold1-0/+1
Add myself to the list of copyright holders. Signed-off-by: Johan Hovold <johan@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-11-21net: phy: micrel: refactor interrupt configJohan Hovold1-42/+29
Add generic interrupt-config callback and store interrupt-level bitmask in type data for PHY types not using bit 9. Signed-off-by: Johan Hovold <johan@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-11-21dt/bindings: add clock-select function property to micrel phy bindingJohan Hovold1-0/+11
Add "micrel,rmii-reference-clock-select-25-mhz" to Micrel ethernet PHY binding documentation. This property is needed to properly describe some revisions of Micrel PHYs which has the function of this configuration bit inverted so that setting it enables 25 MHz rather than 50 MHz clock mode. Note that a clock reference ("rmii-ref") is still needed to actually select either mode. Cc: devicetree@vger.kernel.org Signed-off-by: Johan Hovold <johan@kernel.org> Acked-by: Sascha Hauer <s.hauer@pengutronix.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-11-21dt/bindings: reformat micrel eth-phy documentationJohan Hovold1-13/+13
Reduce indentation of Micrel PHY binding documentations somewhat. Also fix "reference input clock" typo while at it. Cc: devicetree@vger.kernel.org Signed-off-by: Johan Hovold <johan@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-11-21net: phy: micrel: add support for clock-mode select to KSZ8081/KSZ8091Johan Hovold2-7/+8
Micrel KSZ8081 and KSZ8091 PHYs have the RMII Reference Clock Select bit, which is used to select 25 or 50 MHz clock mode. Note that on some revisions of the PHY (e.g. KSZ8081RND) the function of this bit is inverted so that setting it enables 25 rather than 50 MHz mode. Add a new device-tree property "micrel,rmii-reference-clock-select-25-mhz" to describe this. Signed-off-by: Johan Hovold <johan@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-11-21net: phy: micrel: add generic clock-mode-select supportJohan Hovold2-44/+50
Add generic RMII-Reference-Clock-Select support. Several Micrel PHY have an RMII-Reference-Clock-Select bit to select 25 MHz or 50 MHz clock mode. Recently, support for configuring this through device tree for KSZ8021 and KSZ8031 was added. Generalise this support so that it can be configured for other PHY types as well. Note that some PHY revisions (of the same type) has this bit inverted. This should be either configurable through a new device-tree property, or preferably, determined based on PHY ID if possible. Also note that this removes support for setting 25 MHz mode from board files which was also added by the above mentioned commit 45f56cb82e45 ("net/phy: micrel: Add clock support for KSZ8021/KSZ8031"). Signed-off-by: Johan Hovold <johan@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-11-21net: phy: micrel: add has-broadcast-disable flag to type dataJohan Hovold1-8/+6
Add has_broadcast_disable flag to type-data and generic config_init. This allows us to remove the ksz8081 config_init callback. Note that ksz8021_config_init is kept for now due to a95a18afe4c8 ("phy/micrel: KSZ8031RNL RMII clock reconfiguration bug"). Signed-off-by: Johan Hovold <johan@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-11-21net: phy: micrel: parse of nodes at probeJohan Hovold1-18/+21
Parse the "micrel,led-mode" property at probe, rather than at config_init time in the led-setup helper itself. Note that the bogus parent->of_node bit is removed. Signed-off-by: Johan Hovold <johan@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-11-21net: phy: micrel: add device-type abstractionJohan Hovold1-13/+70
Add structured device-type information and support for generic led-mode setup to the generic config_init callback. This is a first step in ultimately getting rid of device-type specific callbacks. Signed-off-by: Johan Hovold <johan@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-11-21net: phy: add static data field to struct phy_driverJohan Hovold1-0/+2
Add static driver-data field to struct phy_driver, which can be used to store structured device-type information. Signed-off-by: Johan Hovold <johan@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-11-21sky2: use new netdev_rss_key_fill() helperIan Morris1-9/+4
Switch to a random RSS key rather than a fixed one. Using netdev_rss_key_fill helper also ensures that all ports share a common key. See also commit 960fb622f85180f36d3aff82af53e2be3db2f888. Signed-off-by: Ian Morris <ipm@chirality.org.uk> Cc: Mirko Lindner <mlindner@marvell.com> Cc: Stephen Hemminger <stephen@networkplumber.org> Cc: Eric Dumazet <edumazet@google.com> Acked-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-11-21enic: support skb->xmit_moreGovindarajulu Varadarajan2-11/+17
Check and update posted_index only when skb->xmit_more is 0 or tx queue is full. v2: use txq_map instead of skb_get_queue_mapping(skb) Signed-off-by: Govindarajulu Varadarajan <_govind@gmx.com> Acked-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-11-21mISDN: Deletion of unnecessary checks before the function call "vfree"Markus Elfring1-4/+2
The vfree() function performs also input parameter validation. Thus the test around the call is not needed. This issue was detected by using the Coccinelle software. Signed-off-by: Markus Elfring <elfring@users.sourceforge.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-11-19bonding: Introduce 4 AD link speed to fix agg_bandwidthJianhua Xie1-1/+37
This patch adds [2.5|20|40|56] Gbps enum definition, and fixes aggregated bandwidth calculation based on above slave links. CC: Jay Vosburgh <j.vosburgh@gmail.com> CC: Veaceslav Falico <vfalico@gmail.com> CC: Andy Gospodarek <andy@greyhouse.net> CC: David S. Miller <davem@davemloft.net> Signed-off-by: Jianhua Xie <jianhua.xie@freescale.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-11-19bonding: change AD_LINK_SPEED_BITMASK to enum to suport more speedJianhua Xie1-32/+34
Port Key was determined as 16 bits according to the link speed, duplex and user key (which is yet not supported). In the old speed field, 5 bits are for speed [1|10|100|1000|10000]Mbps as below: -------------------------------------------------------------- Port key :| User key | Speed | Duplex| -------------------------------------------------------------- 16 6 1 0 This patch keeps the old layout, but changes AD_LINK_SPEED_BITMASK from bit type to an enum type. In this way, the speed field can expand speed type from 5 to 32. CC: Jay Vosburgh <j.vosburgh@gmail.com> CC: Veaceslav Falico <vfalico@gmail.com> CC: Andy Gospodarek <andy@greyhouse.net> CC: David S. Miller <davem@davemloft.net> Signed-off-by: Jianhua Xie <jianhua.xie@freescale.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-11-19bury skb_copy_to_page()Al Viro1-23/+0
no callers since 3.0 Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2014-11-19fold verify_iovec() into copy_msghdr_from_user()Al Viro5-112/+77
... and do the same on the compat side of things. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2014-11-19{compat_,}verify_iovec(): switch to generic copying of iovecsAl Viro3-89/+37
use {compat_,}rw_copy_check_uvector(). As the result, we are guaranteed that all iovecs seen in ->msg_iov by ->sendmsg() and ->recvmsg() will pass access_ok(). Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2014-11-19separate kernel- and userland-side msghdrAl Viro5-23/+36
Kernel-side struct msghdr is (currently) using the same layout as userland one, but it's not a one-to-one copy - even without considering 32bit compat issues, we have msg_iov, msg_name and msg_control copied to kernel[1]. It's fairly localized, so we get away with a few functions where that knowledge is needed (and we could shrink that set even more). Pretty much everything deals with the kernel-side variant and the few places that want userland one just use a bunch of force-casts to paper over the differences. The thing is, kernel-side definition of struct msghdr is *not* exposed in include/uapi - libc doesn't see it, etc. So we can add struct user_msghdr, with proper annotations and let the few places that ever deal with those beasts use it for userland pointers. Saner typechecking aside, that will allow to change the layout of kernel-side msghdr - e.g. replace msg_iov/msg_iovlen there with struct iov_iter, getting rid of the need to modify the iovec as we copy data to/from it, etc. We could introduce kernel_msghdr instead, but that would create much more noise - the absolute majority of the instances would need to have the type switched to kernel_msghdr and definition of struct msghdr in include/linux/socket.h is not going to be seen by userland anyway. This commit just introduces user_msghdr and switches the few places that are dealing with userland-side msghdr to it. [1] actually, it's even trickier than that - we copy msg_control for sendmsg, but keep the userland address on recvmsg. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2014-11-19bpf: fix arraymap NULL deref and missing overflow and zero size checksAlexei Starovoitov2-6/+16
- fix NULL pointer dereference: kernel/bpf/arraymap.c:41 array_map_alloc() error: potential null dereference 'array'. (kzalloc returns null) kernel/bpf/arraymap.c:41 array_map_alloc() error: we previously assumed 'array' could be null (see line 40) - integer overflow check was missing in arraymap (hashmap checks for overflow via kmalloc_array()) - arraymap can round_up(value_size, 8) to zero. check was missing. - hashmap was missing zero size check as well, since roundup_pow_of_two() can truncate into zero - found a typo in the arraymap comment and unnecessary empty line Fix all of these issues and make both overflow checks explicit U32 in size. Reported-by: kbuild test robot <fengguang.wu@intel.com> Signed-off-by: Alexei Starovoitov <ast@plumgrid.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-11-19netlink: Deletion of an unnecessary check before the function call "__module_get"Markus Elfring1-2/+1
The __module_get() function tests whether its argument is NULL and then returns immediately. Thus the test around the call is not needed. This issue was detected by using the Coccinelle software. Signed-off-by: Markus Elfring <elfring@users.sourceforge.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-11-19net: pktgen: Deletion of an unnecessary check before the function call "proc_remove"Markus Elfring1-2/+1
The proc_remove() function tests whether its argument is NULL and then returns immediately. Thus the test around the call is not needed. This issue was detected by using the Coccinelle software. Signed-off-by: Markus Elfring <elfring@users.sourceforge.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-11-19usbnet: rtl8150: remove unused variableSudip Mukherjee1-2/+1
remove unused variable Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-11-19stmmac: review driver when run kernel-docGiuseppe CAVALLARO4-69/+142
When run ./scripts/kernel-doc several warnings are reported so this patch fix them. Also it reviews many comments and adds new ones. Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@st.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-11-19stmmac: document common header fileGiuseppe CAVALLARO1-0/+8
This patch adds some useful comments inside the common header file to provide information about the APIs exposed by the driver. Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@st.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-11-19stmmac: update driver documentationGiuseppe CAVALLARO1-67/+65
Recently many changes have been done inside the driver so this patch updates the driver's doc for example reviewing information for the rx and tx processes that are managed by napi method, adding new information for missing glue-logic files etc. Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@st.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-11-19tcp: make connect() mem charging friendlyEric Dumazet1-40/+28
While working on sk_forward_alloc problems reported by Denys Fedoryshchenko, we found that tcp connect() (and fastopen) do not call sk_wmem_schedule() for SYN packet (and/or SYN/DATA packet), so sk_forward_alloc is negative while connect is in progress. We can fix this by calling regular sk_stream_alloc_skb() both for the SYN packet (in tcp_connect()) and the syn_data packet in tcp_send_syn_data() Then, tcp_send_syn_data() can avoid copying syn_data as we simply can manipulate syn_data->cb[] to remove SYN flag (and increment seq) Instead of open coding memcpy_fromiovecend(), simply use this helper. This leaves in socket write queue clean fast clone skbs. This was tested against our fastopen packetdrill tests. Reported-by: Denys Fedoryshchenko <nuclearcat@nuclearcat.com> Signed-off-by: Eric Dumazet <edumazet@google.com> Acked-by: Yuchung Cheng <ycheng@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-11-19tun: return NET_XMIT_DROP for dropped packetsJason Wang1-1/+1
After commit 5d097109257c03a71845729f8db6b5770c4bbedc ("tun: only queue packets on device"), NETDEV_TX_OK was returned for dropped packets. This will confuse pktgen since dropped packets were counted as sent ones. Fixing this by returning NET_XMIT_DROP to let pktgen count it as error packet. Cc: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Jason Wang <jasowang@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-11-18icmp: Remove some spurious dropped packet profile hits from the ICMP pathRick Jones4-21/+42
If icmp_rcv() has successfully processed the incoming ICMP datagram, we should use consume_skb() rather than kfree_skb() because a hit on the likes of perf -e skb:kfree_skb is not called-for. Signed-off-by: Rick Jones <rick.jones2@hp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-11-18dev_ioctl: use sizeof(x) instead of sizeof xFabian Frederick1-3/+6
Also remove spaces after cast. Signed-off-by: Fabian Frederick <fabf@skynet.be> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-11-18net/core: include linux/types.h instead of asm/types.hFabian Frederick1-1/+1
Signed-off-by: Fabian Frederick <fabf@skynet.be> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-11-18net: fix spelling for synchronizedFabian Frederick1-2/+2
Signed-off-by: Fabian Frederick <fabf@skynet.be> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-11-18dccp: spelling s/reseting/resettingFabian Frederick1-1/+1
Signed-off-by: Fabian Frederick <fabf@skynet.be> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-11-18dccp: replace min/casting by min_tFabian Frederick1-1/+1
Signed-off-by: Fabian Frederick <fabf@skynet.be> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-11-18dccp: remove blank lines between function/EXPORT_SYMBOLFabian Frederick1-6/+0
See Documentation/CodingStyle chapter 6. Signed-off-by: Fabian Frederick <fabf@skynet.be> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-11-18dccp: kerneldoc warning fixesFabian Frederick1-2/+2
Signed-off-by: Fabian Frederick <fabf@skynet.be> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-11-18net: fec: remove unused return value from swap_buffer()Lothar Waßmann1-3/+1
The return value of swap_buffer() is not used by any caller, thus remove it. Signed-off-by: Lothar Waßmann <LW@KARO-electronics.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-11-18net: fec: simplify loop counter handling in swap_buffer()Lothar Waßmann1-1/+1
Eliminate the DIV_ROUND_UP() and change the loop counter increment to 4 instead. This results in saving 6 instructions in the functions assembly code. Signed-off-by: Lothar Waßmann <LW@KARO-electronics.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-11-18net: fec: use swab32s() instead of cpu_to_be32()Lothar Waßmann1-1/+1
when swap_buffer() is being called, we know for sure, that we need to byte swap the data. Furthermore, this function is called for swapping data in both directions. Thus cpu_to_be32() is semantically not correct for all use cases. Use swab32s() to reflect this. Signed-off-by: Lothar Waßmann <LW@KARO-electronics.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-11-18net: fec: improve access to quirk flags by copying them into fec_enet_private structLothar Waßmann2-68/+39
Signed-off-by: Lothar Waßmann <LW@KARO-electronics.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-11-18net: fec: change type of 'bufdesc_ex' to boolLothar Waßmann2-4/+2
fep->bufdesc_ex is treated as a boolean value, thus declare it as such. Signed-off-by: Lothar Waßmann <LW@KARO-electronics.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-11-18net: fec: properly parenthesize macro argsLothar Waßmann1-15/+16
Signed-off-by: Lothar Waßmann <LW@KARO-electronics.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-11-18net: fec: consistently use lower case chars as hex digitsLothar Waßmann1-44/+44
Signed-off-by: Lothar Waßmann <LW@KARO-electronics.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-11-18net: fec: indentation cleanupLothar Waßmann1-54/+54
consistently use TABs for indentation Signed-off-by: Lothar Waßmann <LW@KARO-electronics.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-11-18bpf: remove test map scaffolding and user proper typesAlexei Starovoitov2-54/+16
proper types and function helpers are ready. Use them in verifier testsuite. Remove temporary stubs Signed-off-by: Alexei Starovoitov <ast@plumgrid.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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