- 12 Dec, 2015 3 commits
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Eric Dumazet authored
SCTP is lacking proper np->opt cloning at accept() time. TCP and DCCP use ipv6_dup_options() helper, do the same in SCTP. We might later factorize this code in a common helper to avoid future mistakes. Reported-by:
Dmitry Vyukov <dvyukov@google.com> Signed-off-by:
Eric Dumazet <edumazet@google.com> Acked-by:
Vlad Yasevich <vyasevich@gmail.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Eric Dumazet authored
XFRM can deal with SYNACK messages, sent while listener socket is not locked. We add proper rcu protection to __xfrm_sk_clone_policy() and xfrm_sk_policy_lookup() This might serve as the first step to remove xfrm.xfrm_policy_lock use in fast path. Fixes: fa76ce73 ("inet: get rid of central tcp/dccp listener timer") Signed-off-by:
Steffen Klassert <steffen.klassert@secunet.com> Signed-off-by:
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Eric Dumazet authored
We will soon switch sk->sk_policy[] to RCU protection, as SYNACK packets are sent while listener socket is not locked. This patch simply adds RCU grace period before struct xfrm_policy freeing, and the corresponding rcu_head in struct xfrm_policy. Signed-off-by:
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- 09 Dec, 2015 5 commits
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Arnd Bergmann authored
The nps_enet driver happily mixes virtual, physical and __iomem addresses, which are all different depending on the architecture and configuration. That causes a warning when building the code on ARM with LPAE mode enabled: drivers/net/ethernet/ezchip/nps_enet.c: In function 'nps_enet_send_frame': drivers/net/ethernet/ezchip/nps_enet.c:370:13: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] but will also fail to work for other reasons. In this patch, I'm trying to change the code to use only normal kernel pointers, which I assume is what the author actually meant: * For reading or writing a 32-bit word that may be unaligned when an SKB contains unaligned data, I'm using get_unaligned/put_unaligned() rather than memcpy_fromio/toio. * For converting a u8 pointer to a u32 pointer, I use a cast rather than the incorrect virt_to_phys. * For copying a couple of bytes from one place to another while respecting alignment, I use memcpy instead of memcpy_toio. Signed-off-by:
Arnd Bergmann <arnd@arndb.de> Signed-off-by:
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Arnd Bergmann authored
The pq_mdio driver can now be built for ARM64, where we get a format string warning: drivers/net/ethernet/freescale/fsl_pq_mdio.c: In function 'fsl_pq_mdio_probe': drivers/net/ethernet/freescale/fsl_pq_mdio.c:467:25: warning: format '%x' expects argument of type 'unsigned int', but argument 3 has type 'long int' [-Wformat=] The argument is an implicit ptrdiff_t from the subtraction of two pointers, so we should use the %z format string modifier to make this work on 64-bit architectures. Signed-off-by:
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Peter Wu authored
When an interface is brought up which was previously suspended (via runtime PM), it would hang. This happens because napi_disable is called before napi_enable. Solve this by avoiding napi_enable in the resume during open function (netif_running is true when open is called, IFF_UP is set after a successful open; netif_running is false when close is called, but IFF_UP is then still set). While at it, remove WORK_ENABLE check from rtl8152_open (introduced with the original change) because it cannot happen: - After this patch, runtime resume will not set it during rtl8152_open. - When link is up, rtl8152_open is not called. - When link is down during system/auto suspend/resume, it is not set. Fixes: 41cec84c ("r8152: don't enable napi before rx ready") Link: https://lkml.kernel.org/r/20151205105912.GA1766@alSigned-off-by:
Peter Wu <peter@lekensteyn.nl> Acked-by:
Hayes Wang <hayeswang@realtek.com> Signed-off-by:
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Pavel Fedin authored
Commit bc69fdfc ("net: thunderx: Enable BGX LMAC's RX/TX only after VF is up") introduces lmac_cnt member and starts verifying VF number against it. This is plain wrong, and works only because currently we have hardcoded 1:1 mapping between VFs and LMACs, and in this case num_vf_en and lmac_cnt are always equal. However in future this may change, and the code will badly misbehave. The worst consequence of this is failure to deliver link status messages, causing VFs to go defunct because since commit 0b72a9a1 ("net: thunderx: Switchon carrier only upon interface link up") VF will not fully bring itself up without it. This patch fixes the potential problem by doing VF number checks against the num_vf_en. Since lmac_cnt is not used anywhere else, it is removed. Additionally some duplicated code is factored out into nic_enable_vf() Signed-off-by:
Pavel Fedin <p.fedin@samsung.com> Signed-off-by:
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Pravin B Shelar authored
Call to iptunnel_xmit_stats() is not required after udp-tunnel6-xmit. By calling iptunnel_xmit_stats() results in incorrect device stats. Following patch drops this call. Signed-off-by:
Pravin B Shelar <pshelar@nicira.com> Signed-off-by:
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- 07 Dec, 2015 20 commits
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Eric Dumazet authored
TCP SYNACK messages might now be attached to request sockets. XFRM needs to get back to a listener socket. Adds new helpers that might be used elsewhere : sk_to_full_sk() and sk_const_to_full_sk() Note: We also need to add RCU protection for xfrm lookups, now TCP/DCCP have lockless listener processing. This will be addressed in separate patches. Fixes: ca6fb065 ("tcp: attach SYNACK messages to request sockets instead of listener") Reported-by:
Dave Jones <davej@codemonkey.org.uk> Signed-off-by:
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Eric Dumazet authored
While cooking the sctp np->opt rcu fixes, I forgot to move one rcu_read_unlock() after the added rcu_dereference() in sctp_v6_get_dst() This gave lockdep warnings reported by Dave Jones. Fixes: c836a8ba ("ipv6: sctp: add rcu protection around np->opt") Reported-by:
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Jiri Benc authored
When looking for outer IP header, use the actual socket address family, not the address family of the default destination which is not set for metadata based interfaces (and doesn't have to match the address family of the received packet even if it was set). Fix also the misleading comment. Signed-off-by:
Jiri Benc <jbenc@redhat.com> Signed-off-by:
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git://git.open-mesh.org/linux-mergeDavid S. Miller authored
Antonio Quartulli says: ==================== Included changes: - prevent compatibility issue between DAT and speedy join from creating inconsistencies in the global translation table - make sure temporary TT entries are purged out if not claimed - fix comparison function used for TT hash table - fix invalid stack access in batadv_dat_select_candidates() ==================== Signed-off-by: -
Robert Shearman authored
Locally generated IPv4 and (probably) IPv6 packets are dropped because skb->protocol isn't set. We could write wrappers to lwtunnel_output for IPv4 and IPv6 that set the protocol accordingly and then call lwtunnel_output, but mpls_output relies on the AF-specific type of dst anyway to get the via address. Therefore, make use of dst->dst_ops->family in mpls_output to determine the type of nexthop and thus protocol of the packet instead of checking skb->protocol. Fixes: 61adedf3 ("route: move lwtunnel state to dst_entry") Reported-by:
Sam Russell <sam.h.russell@gmail.com> Signed-off-by:
Robert Shearman <rshearma@brocade.com> Signed-off-by:
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David S. Miller authored
Jiri Benc says: ==================== vxlan: IPv6 fill_metadata_dst support This adds IPv6 support to ndo_fill_metadata_dst in vxlan. The IPv4 part needs some restructuring to avoid duplicate code, this will be sent as a separate patch targeting net-next. ==================== Signed-off-by: -
Jiri Benc authored
Fill the metadata correctly even when tunneling over IPv6. Also, check that the provided metadata is of an address family that is supported by the tunnel. Signed-off-by:
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Jiri Benc authored
Will be used also for ndo_fill_metadata_dst. Signed-off-by:
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David S. Miller authored
Manish Chopra says: ==================== qed: Bug fixes Please consider applying this series to net. V2: - Use available helpers for declaring bitmap and bitmap operations. ==================== Signed-off-by: -
Sudarsana Kalluru authored
When using INTa, ISR might be called before device is configured for INTa [E.g., due to other device asserting the shared interrupt line], in which case the ISR would read the SISR registers that shouldn't be read unless HW is already configured for INTa. This might break interrupts later on. There's also an MSI-X issue due to this difference, although it's mostly theoretical. This patch changes the initialization order, calling request_irq() for the slowpath interrupt only after the chip is configured for working in the preferred interrupt mode. Signed-off-by:
Sudarsana Kalluru <Sudarsana.Kalluru@qlogic.com> Signed-off-by:
Manish Chopra <manish.chopra@qlogic.com> Signed-off-by:
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Ariel Elior authored
Can't rely on pci config space to discover bar size, as in some environments this returns a wrong, too large value. Instead, rely on device register, which contains the value provided by MFW at preboot. Signed-off-by:
Ariel Elior <Ariel.Elior@qlogic.com> Signed-off-by:
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Tomer Tayar authored
Concurrent non-blocking slowpath ramrods can be completed out-of-order on the completion chain. Recycling completed elements, while previously sent elements are still completion pending, can lead to overriding of active elements on the chain. Furthermore, sending pending slowpath ramrods currently lacks the update of the chain element physical pointer. This patch: * Ensures that ramrods are sent to the FW with consecutive echo values. * Handles out-of-order completions by freeing only first successive completed entries. * Updates the chain element physical pointer when copying a pending element into a free element for sending. Signed-off-by:
Tomer Tayar <Tomer.Tayar@qlogic.com> Signed-off-by:
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Tomer Tayar authored
The amount of chain next pointer elements between the producer and the consumer indices depends on which pages they currently point to. The current calculation is based only on their difference, and it can lead to a number of free elements which is higher by 1 than the actual value. Signed-off-by:
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Geert Uytterhoeven authored
If NO_DMA=y: ERROR: "dma_map_single" [drivers/net/ethernet/aurora/nb8800.ko] undefined! ERROR: "dma_unmap_page" [drivers/net/ethernet/aurora/nb8800.ko] undefined! ERROR: "dma_sync_single_for_cpu" [drivers/net/ethernet/aurora/nb8800.ko] undefined! ERROR: "dma_unmap_single" [drivers/net/ethernet/aurora/nb8800.ko] undefined! ERROR: "dma_alloc_coherent" [drivers/net/ethernet/aurora/nb8800.ko] undefined! ERROR: "dma_mapping_error" [drivers/net/ethernet/aurora/nb8800.ko] undefined! ERROR: "dma_map_page" [drivers/net/ethernet/aurora/nb8800.ko] undefined! ERROR: "dma_free_coherent" [drivers/net/ethernet/aurora/nb8800.ko] undefined! Signed-off-by:Geert Uytterhoeven <geert@linux-m68k.org> Acked-by:
Mans Rullgard <mans@mansr.com> Signed-off-by:
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Sven Eckelmann authored
batadv_dat_select_candidates provides an u32 to batadv_hash_dat but it needs a batadv_dat_entry with at least ip and vid filled in. Fixes: 3e26722bc9f2 ("batman-adv: make the Distributed ARP Table vlan aware") Signed-off-by:Sven Eckelmann <sven@open-mesh.com> Acked-by:
Antonio Quartulli <antonio@meshcoding.com> Signed-off-by:
Marek Lindner <mareklindner@neomailbox.ch> Signed-off-by:
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Marek Lindner authored
The translation table implementation, namely batadv_compare_tt(), is used to compare two client entries and deciding if they are the holding the same information. Each client entry is identified by its mac address and its VLAN id (VID). Consequently, batadv_compare_tt() has to not only compare the mac addresses but also the VIDs. Without this fix adding a new client entry that possesses the same mac address as another client but operates on a different VID will fail because both client entries will considered identical. Signed-off-by:
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Simon Wunderlich authored
In the case when a temporary entry is added first and a proper tt entry is added after that, the temporary tt entry is kept in the orig list. However the temporary flag is removed at this point, and therefore the purge function can not find this temporary entry anymore. Therefore, remove the previous temp entry before adding the new proper one. This case can happen if a client behind a given originator moves before the TT announcement is sent out. Other than that, this case can also be created by bogus or malicious payload frames for VLANs which are not existent on the sending originator. Reported-by:
Alessandro Bolletta <alessandro@mediaspot.net> Signed-off-by:
Simon Wunderlich <sw@simonwunderlich.de> Acked-by:
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Simon Wunderlich authored
DAT Cache replies are answered on behalf of other clients which are not connected to the answering originator. Therefore, we shouldn't add these clients to the answering originators TT table through speed join to avoid bogus entries. Reported-by:
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Felix Fietkau authored
This semicolon causes a build error if the function call is wrapped in parentheses. Fixes: aabc92bb ("net: add __netdev_alloc_pcpu_stats() to indicate gfp flags") Reported-by:
Imre Kaloz <kaloz@openwrt.org> Signed-off-by:
Felix Fietkau <nbd@openwrt.org> Acked-by:
Pablo Neira Ayuso <pablo@netfilter.org> Signed-off-by:
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lucien authored
when A sends a data to B, then A close() and enter into SHUTDOWN_PENDING state, if B neither claim his rwnd is 0 nor send SACK for this data, A will keep retransmitting this data until t5 timeout, Max.Retrans times can't work anymore, which is bad. if B's rwnd is not 0, it should send abort after Max.Retrans times, only when B's rwnd == 0 and A's retransmitting beyonds Max.Retrans times, A will start t5 timer, which is also commit f8d96052 ("sctp: Enforce retransmission limit during shutdown") means, but it lacks the condition peer rwnd == 0. so fix it by adding a bit (zero_window_announced) in peer to record if the last rwnd is 0. If it was, zero_window_announced will be set. and use this bit to decide if start t5 timer when local.state is SHUTDOWN_PENDING. Fixes: commit f8d96052 ("sctp: Enforce retransmission limit during shutdown") Signed-off-by:
Xin Long <lucien.xin@gmail.com> Signed-off-by:
Marcelo Ricardo Leitner <marcelo.leitner@gmail.com> Signed-off-by:
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- 06 Dec, 2015 10 commits
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lucien authored
If the chunks are enqueued successfully but sctp_cmd_interpreter() return err to sctp_sendmsg() (mainly because of no mem), the chunks will get re-queued, but we are dropping the reference and freeing them. The fix is to just drop the reference on the datamsg just as it had succeeded, as: - if the chunks weren't queued, this is enough to get them freed. - if they were queued, they will get freed when they finally get out or discarded. Signed-off-by:
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lucien authored
When a msg is sent, sctp will hold the chunks of this msg and then try to enqueue them. But if the chunks are not enqueued in sctp_outq_tail() because of the invalid state, sctp_cmd_interpreter() may still return success to sctp_sendmsg() after calling sctp_outq_flush(), these chunks will become orphans and will leak. So we fix them by moving sctp_chunk_hold() to sctp_outq_tail(), where we are sure that the chunk is going to get queued. Signed-off-by:
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Stefan Wahren authored
In case of a tx queue timeout every transmit is blocked until the QCA7000 resets himself and triggers a sync which makes the driver flushs the tx ring. So avoid this blocking situation by triggering the sync immediately after the timeout. Waking the queue doesn't make sense in this situation. Signed-off-by:
Stefan Wahren <stefan.wahren@i2se.com> Fixes: 291ab06e ("net: qualcomm: new Ethernet over SPI driver for QCA7000") Signed-off-by:
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Bjørn Mork authored
The Huawei E3372 (12d1:157d) needs this quirk in MBIM mode as well. Allow this by forcing the NTB to contain only a single NDP, and add a device specific entry for this ID. Due to the way Huawei use device IDs, this might be applied to other modems as well. It is assumed that those modems will be based on the same firmware and will need this quirk too. If not, it will still not harm normal usage, although multiplexing performance could be impacted. Cc: Enrico Mioso <mrkiko.rs@gmail.com> Reported-by:
Sami Farin <hvtaifwkbgefbaei@gmail.com> Signed-off-by:
Bjørn Mork <bjorn@mork.no> Acked-By:
Enrico Mioso <mrkiko.rs@gmail.com> Signed-off-by:
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David S. Miller authored
This reverts commit d3716f18. vmalloc cannot be used in BH disabled contexts, even with GFP_ATOMIC. And we certainly want to support rhashtable users inserting entries with software interrupts disabled. Signed-off-by:
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Sergei Shtylyov authored
Add myself as a reviewer for the Renesas Ethernet drivers -- hopefully I won't miss the buggy patches anymore. :-) Signed-off-by:
Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> Signed-off-by:
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David S. Miller authored
Marcelo Ricardo Leitner says: ==================== sctp: packet timestamp fixes These a couple of fixes regarding sctp/packet timestamps. Dmitry Vyukov <dvyukov@google.com> reported the counter leak on missing net_enable_timestamp() (2nd patch) and further testing here revealed the other two issues. Please consider these to -stable. ==================== Signed-off-by: -
Marcelo Ricardo Leitner authored
As we are keeping timestamps on when copying the socket, we also have to copy sk_tsflags. This is needed since b9f40e21 ("net-timestamp: move timestamp flags out of sk_flags"). Signed-off-by:
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Marcelo Ricardo Leitner authored
Dmitry Vyukov reported that SCTP was triggering a WARN on socket destroy related to disabling sock timestamp. When SCTP accepts an association or peel one off, it copies sock flags but forgot to call net_enable_timestamp() if a packet timestamping flag was copied, leading to extra calls to net_disable_timestamp() whenever such clones were closed. The fix is to call net_enable_timestamp() whenever we copy a sock with that flag on, like tcp does. Reported-by:
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Marcelo Ricardo Leitner authored
SCTP echoes a cookie o INIT ACK chunks that contains a timestamp, for detecting stale cookies. This cookie is echoed back to the server by the client and then that timestamp is checked. Thing is, if the listening socket is using packet timestamping, the cookie is encoded with ktime_get() value and checked against ktime_get_real(), as done by __net_timestamp(). The fix is to sctp also use ktime_get_real(), so we can compare bananas with bananas later no matter if packet timestamping was enabled or not. Fixes: 52db882f ("net: sctp: migrate cookie life from timeval to ktime") Signed-off-by:
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- 05 Dec, 2015 2 commits
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Jiri Benc authored
Commit 3511494c ("vxlan: Group Policy extension") changed definition of VXLAN_HF_RCO from 0x00200000 to BIT(24). This is obviously incorrect. It's also in violation with the RFC draft. Fixes: 3511494c ("vxlan: Group Policy extension") Cc: Thomas Graf <tgraf@suug.ch> Cc: Tom Herbert <therbert@google.com> Signed-off-by:
Tom Herbert <tom@herbertland.com> Signed-off-by:
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Bjørn Mork authored
Commit 64236f3f ("ipv6: introduce IFA_F_STABLE_PRIVACY flag") failed to update the setting of the IFA_F_OPTIMISTIC flag, causing the IFA_F_STABLE_PRIVACY flag to be lost if IFA_F_OPTIMISTIC is set. Cc: Erik Kline <ek@google.com> Cc: Fernando Gont <fgont@si6networks.com> Cc: Lorenzo Colitti <lorenzo@google.com> Cc: YOSHIFUJI Hideaki/吉藤英明 <hideaki.yoshifuji@miraclelinux.com> Cc: Hannes Frederic Sowa <hannes@stressinduktion.org> Fixes: 64236f3f ("ipv6: introduce IFA_F_STABLE_PRIVACY flag") Signed-off-by:
Hannes Frederic Sowa <hannes@stressinduktion.org> Signed-off-by:
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