- 10 Nov, 2016 35 commits
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Qianqian Xie authored
Big-endian is not supported by the current definition of table index to get mac entry. It needs to be modified to support both Little-endian and Big-endian. Signed-off-by:
Qianqian Xie <xieqianqian@huawei.com> Reviewed-by:
Yisen Zhuang <yisen.zhuang@huawei.com> Signed-off-by:
Salil Mehta <salil.mehta@huawei.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Qianqian Xie authored
The current definition of mac_uc_entry is only suitable for Little-endian. Thus it needs to modify tcam table of mac uc-entry to support both Little-endian and Big-endian. Signed-off-by:
Qianqian Xie <xieqianqian@huawei.com> Reviewed-by:
Yisen Zhuang <yisen.zhuang@huawei.com> Signed-off-by:
Salil Mehta <salil.mehta@huawei.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Qianqian Xie authored
The current definition of dsaf_drv_tbl_tcam_key is only suitable for Little-endian. If data is stored in Big-endian, this may lead to error in data use. Shift operation can make it work normally in both Big-endian and Little-endian. Signed-off-by:
Qianqian Xie <xieqianqian@huawei.com> Reviewed-by:
Yisen Zhuang <yisen.zhuang@huawei.com> Signed-off-by:
Salil Mehta <salil.mehta@huawei.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Qianqian Xie authored
Hardware ring buffer data is stored in Little-endian. Thus cpu data should be modified to Little-endian. Signed-off-by:
Qianqian Xie <xieqianqian@huawei.com> Reviewed-by:
Yisen Zhuang <yisen.zhuang@huawei.com> Signed-off-by:
Salil Mehta <salil.mehta@huawei.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Daode Huang authored
In current scenario, when the interface is disabled we reset the XGMAC RX/TX functionality. This operation does not affects the PHY layer/SFP and which appears UP to the remote end(this behaviour is unlike GMAC). The result is remote end keeps on sending the packets which gets partly processed by XMAC and dropped. Since these are partly processed these appears as errored packets in the packet counter statistics. This patch fixes this behaviour and adds local-fault and remote-fault functionality which can be used to intimate the remote peer whenever the state of the interface changes. This patch also removes the existing hns_dsaf_xge_core_srst_by_port function which was being used to reset the RX/TX functionality at XGE Core. Reported-by:
Jun He <hjat2005@huawei.com> Signed-off-by:
Daode Huang <huangdaode@hisilicon.com> Reviewed-by:
Yisen Zhuang <yisen.zhuang@huawei.com> Signed-off-by:
Salil Mehta <salil.mehta@huawei.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Qianqian Xie authored
This patch modify the gmac_rx_filt_pkt and gmac_rx_octets_total_filt statistics value. The two statistics is inconsistent with register, and just the opposite. Signed-off-by:
Qianqian Xie <xieqianqian@huawei.com> Signed-off-by:
Jun He <hjat2005@huawei.com> Reviewed-by:
Yisen Zhuang <yisen.zhuang@huawei.com> Signed-off-by:
Salil Mehta <salil.mehta@huawei.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Qianqian Xie authored
This patch deletes redundant macro definitions in hns drivers. And change the .h file containing relation to make the layers more clearly Signed-off-by:
Qianqian Xie <xieqianqian@huawei.com> Signed-off-by:
Weiwei Deng <dengweiwei@huawei.com> Reviewed-by:
Yisen Zhuang <yisen.zhuang@huawei.com> Signed-off-by:
Salil Mehta <salil.mehta@huawei.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Daode Huang authored
When set auto-negotiation off and duplex half, if run "ethtool -r ethX" on port with phy, then the port will be failed to work. It should forbid to start auto-negotiation when auto-negotiate is off. This patch add the limited condition. Reported-by:
Jinchuang Tian <tianjinchuang1@huawei.com> Signed-off-by:
Daode Huang <huangdaode@hisilicon.com> Reviewed-by:
Yisen Zhuang <yisen.zhuang@huawei.com> Reviewed-by:
lipeng <lipeng321@huawei.com> Signed-off-by:
Salil Mehta <salil.mehta@huawei.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Daode Huang authored
The default mac pause time set to 0xff which is too short for pausing, this patch change it to the max value 0xffff. Signed-off-by:
Daode Huang <huangdaode@hisilicon.com> Reviewed-by:
Yisen Zhuang <yisen.zhuang@huawei.com> Reviewed-by:
lipeng <lipeng321@huawei.com> Signed-off-by:
Salil Mehta <salil.mehta@huawei.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Kejian Yan authored
If set promisc mode when there is some traffic, The service nic will cause system halted. We reserve the last 6 tcam entry for the 6 ports. If promisc mode is enabled, we can config the relative tcam as fuzzy matching and set to be valid, or set the tcam to be invalid Signed-off-by:
Kejian Yan <yankejian@huawei.com> Reviewed-by:
Yisen Zhuang <yisen.zhuang@huawei.com> Signed-off-by:
Salil Mehta <salil.mehta@huawei.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Kejian Yan authored
Since there is not enough tcam table entries for vlan and multicast address, HNSv2 needs to add support of fuzzy matching of TCAM tables. To add fuzzy match of TCAM, we Add the property to mask the bits to be fuzzy matched Signed-off-by:
Kejian Yan <yankejian@huawei.com> Reviewed-by:
Yisen Zhuang <yisen.zhuang@huawei.com> Signed-off-by:
Salil Mehta <salil.mehta@huawei.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Kejian Yan authored
Since there is not enough tcam table entries for every vlan and multicast address, HNS needs to add support of fuzzy matching of TCAM tables. Adding the property to mask the bits to be fuzzy matched, so update the bindings document Signed-off-by:
Kejian Yan <yankejian@huawei.com> Reviewed-by:
Yisen Zhuang <yisen.zhuang@huawei.com> Signed-off-by:
Salil Mehta <salil.mehta@huawei.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Eric Dumazet authored
After commit 6ed46d12 ("sock_diag: align nlattr properly when needed"), tcp_get_info() gets 64bit aligned memory, so we can avoid the unaligned helpers. Suggested-by:
David Miller <davem@davemloft.net> Signed-off-by:
Eric Dumazet <edumazet@google.com> Acked-by:
Soheil Hassas Yeganeh <soheil@google.com> Acked-by:
Yuchung Cheng <ycheng@google.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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git://git.open-mesh.org/linux-mergeDavid S. Miller authored
Simon Wunderlich says: ==================== pull request for net-next: batman-adv 2016-11-08 v2 This feature and cleanup patchset includes the following changes: - netlink and code cleanups by Sven Eckelmann (3 patches) - Cleanup and minor fixes by Linus Luessing (3 patches) - Speed up multicast update intervals, by Linus Luessing - Avoid (re)broadcast in meshes for some easy cases, by Linus Luessing - Clean up tx return state handling, by Sven Eckelmann (6 patches) - Fix some special mac address handling cases, by Sven Eckelmann (3 patches) ==================== Signed-off-by:
David S. Miller <davem@davemloft.net>
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David S. Miller authored
Richard Cochran says: ==================== PHC frequency fine tuning This series expands the PTP Hardware Clock subsystem by adding a method that passes the frequency tuning word to the the drivers without dropping the low order bits. Keeping those bits is useful for drivers whose frequency resolution is higher than 1 ppb. The appended script (below) runs a simple demonstration of the improvement. This test needs two Intel i210 PCIe cards installed in the same PC, with their SDP0 pins connected by copper wire. Measuring the estimated offset (from the ptp4l servo) and the true offset (from the PPS) over one hour yields the following statistics. | | Est. Before | Est. After | True Before | True After | |--------+---------------+---------------+---------------+---------------| | min | -5.200000e+01 | -1.600000e+01 | -3.100000e+01 | -1.000000e+00 | | max | +5.700000e+01 | +2.500000e+01 | +8.500000e+01 | +4.000000e+01 | | pk-pk: | +1.090000e+02 | +4.100000e+01 | +1.160000e+02 | +4.100000e+01 | | mean | +6.472222e-02 | +1.277778e-02 | +2.422083e+01 | +1.826083e+01 | | stddev | +1.158006e+01 | +4.581982e+00 | +1.207708e+01 | +4.981435e+00 | Here the numbers in units of nanoseconds, and the ~20 nanosecond PPS offset is due to input/output delays on the i210's external interface logic. With the series applied, both the peak to peak error and the standard deviation improve by a factor of more than two. These two graphs show the improvement nicely. http://linuxptp.sourceforge.net/fine-tuning/fine-est.png http://linuxptp.sourceforge.net/fine-tuning/fine-tru.png ==================== Signed-off-by:
David S. Miller <davem@davemloft.net>
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Richard Cochran authored
The dp83640 has a frequency resolution of about 0.029 ppb. This patch lets users of the device benefit from the increased frequency resolution when tuning the clock. Signed-off-by:
Richard Cochran <richardcochran@gmail.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Richard Cochran authored
The 82580 and related devices offer a frequency resolution of about 0.029 ppb. This patch lets users of the device benefit from the increased frequency resolution when tuning the clock. Signed-off-by:
Richard Cochran <richardcochran@gmail.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Richard Cochran authored
The internal PTP Hardware Clock (PHC) interface limits the resolution for frequency adjustments to one part per billion. However, some hardware devices allow finer adjustment, and making use of the increased resolution improves synchronization measurably on such devices. This patch adds an alternative method that allows finer frequency tuning by passing the scaled ppm value to PHC drivers. This value comes from user space, and it has a resolution of about 0.015 ppb. We also deprecate the older method, anticipating its removal once existing drivers have been converted over. Signed-off-by:
Richard Cochran <richardcochran@gmail.com> Suggested-by:
Ulrik De Bie <ulrik.debie-os@e2big.org> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Eric Dumazet authored
There are no more users except from net/core/dev.c napi_hash_add() can now be static. Signed-off-by:
Eric Dumazet <edumazet@google.com> Cc: Michael Chan <michael.chan@broadcom.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Eric Dumazet authored
This is automatically done from netif_napi_add(), and we want to not export napi_hash_add() anymore in the following patch. Signed-off-by:
Eric Dumazet <edumazet@google.com> Cc: Michael Chan <michael.chan@broadcom.com> Acked-by:
Michael Chan <michael.chan@broadcom.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Tobias Klauser authored
Remove the unused but set variables min_set and max_set in adjust_reg_min_max_vals to fix the following warning when building with 'W=1': kernel/bpf/verifier.c:1483:7: warning: variable ‘min_set’ set but not used [-Wunused-but-set-variable] There is no warning about max_set being unused, but since it is only used in the assignment of min_set it can be removed as well. They were introduced in commit 48461135 ("bpf: allow access into map value arrays") but seem to have never been used. Cc: Josef Bacik <jbacik@fb.com> Signed-off-by:
Tobias Klauser <tklauser@distanz.ch> Acked-by:
Alexei Starovoitov <ast@kernel.org> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Yotam Gigi authored
tc_act macro addressed a non existing field, and was not used in the kernel source. Signed-off-by:
Yotam Gigi <yotamg@mellanox.com> Reviewed-by:
Jiri Pirko <jiri@mellanox.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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David S. Miller authored
David Lebrun says: ==================== net: add support for IPv6 Segment Routing v5: - Check SRH validity when adding a new route with lwtunnels and when setting an IPV6_RTHDR socket option. - Check that hdr->segments_left is not out of bounds when processing an SR-enabled packet. - Add __ro_after_init attribute to seg6_genl_policy structure. - Add CONFIG_IPV6_SEG6_INLINE option to enable or disable direct header insertion. v4: - Change @cleanup in ipv6_srh_rcv() from int to bool - Move checksum helper functions into header file - Add common definition for SR TLVs - Add comments for HMAC computation algorithm - Use rhashtable to store HMAC infos instead of linked list - Remove packed attribute for struct sr6_tlv_hmac - Use dst cache only if CONFIG_DST_CACHE is enabled v3: - Fix compilation for CONFIG_IPV6={n,m} v2: - Remove packed attribute from sr6 struct and replaced unaligned 16-bit flags with two 8-bit flags. - SR code now included by default. Option CONFIG_IPV6_SEG6_HMAC exists for HMAC support (which requires crypto dependencies). - Replace "hidden" calls to mutex_{un,}lock to direct calls. - Fix reverse xmas tree coding style. - Fix cast-from-void*'s. - Update skb->csum to account for SR modifications. - Add dst_cache in seg6_output. Segment Routing (SR) is a source routing paradigm, architecturally defined in draft-ietf-spring-segment-routing-09 [1]. The IPv6 flavor of SR is defined in draft-ietf-6man-segment-routing-header-02 [2]. The main idea is that an SR-enabled packet contains a list of segments, which represent mandatory waypoints. Each waypoint is called a segment endpoint. The SR-enabled packet is routed normally (e.g. shortest path) between the segment endpoints. A node that inserts an SRH into a packet is called an ingress node, and a node that is the last segment endpoint is called an egress node. From an IPv6 viewpoint, an SR-enabled packet contains an IPv6 extension header, which is a Routing Header type 4, defined as follows: struct ipv6_sr_hdr { __u8 nexthdr; __u8 hdrlen; __u8 type; __u8 segments_left; __u8 first_segment; __u8 flag_1; __u8 flag_2; __u8 reserved; struct in6_addr segments[0]; }; The first 4 bytes of the SRH is consistent with the Routing Header definition in RFC 2460. The type is set to `4' (SRH). Each segment is encoded as an IPv6 address. The segments are encoded in reverse order: segments[0] is the last segment of the path, and segments[first_segment] is the first segment of the path. segments[segments_left] points to the currently active segment and segments_left is decremented at each segment endpoint. There exist two ways for a packet to receive an SRH, we call them encap mode and inline mode. In the encap mode, the packet is encapsulated in an outer IPv6 header that contains the SRH. The inner (original) packet is not modified. A virtual tunnel is thus created between the ingress node (the node that encapsulates) and the egress node (the last segment of the path). Once an encapsulated SR packet reaches the egress node, the node decapsulates the packet and performs a routing decision on the inner packet. This kind of SRH insertion is intended to use for routers that encapsulates in-transit packet. The second SRH insertion method, the inline mode, acts by directly inserting the SRH right after the IPv6 header of the original packet. For this method, if a particular flag (SR6_FLAG_CLEANUP) is set, then the penultimate segment endpoint must strip the SRH from the packet before forwarding it to the last segment endpoint. This insertion method is intended to use for endhosts, however it is also used for in-transit packets by some industry actors. Note that directly inserting extension headers may break several mechanisms such as Path MTU Discovery, IPSec AH, etc. For this reason, this insertion method is only available if CONFIG_IPV6_SEG6_INLINE is enabled. Finally, the SRH may contain TLVs after the segments list. Several types of TLVs are defined, but we currently consider only the HMAC TLV. This TLV is an answer to the deprecation of the RH0 and enables to ensure the authenticity and integrity of the SRH. The HMAC text contains the flags, the first_segment index, the full list of segments, and the source address of the packet. While SR is intended to use mostly within a single administrative domain, the HMAC TLV allows to verify SR packets coming from an untrusted source. This patches series implements support for the IPv6 flavor of SR and is logically divided into the following components: (1) Data plane support (patch 01). This patch adds a function in net/ipv6/exthdrs.c to handle the Routing Header type 4. It enables the kernel to act as a segment endpoint, by supporting the following operations: decrementation of the segments_left field, cleanup flag support (removal of the SRH if we are the penultimate segment endpoint) and decapsulation of the inner packet as an egress node. (2) Control plane support (patches 02..03 and 07..09). These patches enables to insert SRH on locally emitted and/or forwarded packets, both with encap mode and with inline mode. The SRH insertion is controlled through the lightweight tunnels mechanism. Furthermore, patch 08 enables the applications to insert an SRH on a per-socket basis, through the setsockopt() system call. The mechanism to specify a per-socket Routing Header was already defined for RH0 and no special modification was performed on this side. However, the code to actually push the RH onto the packets had to be adapted for the SRH specifications. (3) HMAC support (patches 04..06). These patches adds the support of the HMAC TLV verification for the dataplane part, and generation for the control plane part. Two hashing algorithms are supported (SHA-1 as legacy and SHA-256 as required by the IETF draft), but additional algorithms can be easily supported by simply adding an entry into an array. [1] https://tools.ietf.org/html/draft-ietf-spring-segment-routing-09 [2] https://tools.ietf.org/html/draft-ietf-6man-segment-routing-header-02 ==================== Signed-off-by:
David S. Miller <davem@davemloft.net>
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David Lebrun authored
This patch adds documentation for some SR-related per-interface sysctls. Signed-off-by:
David Lebrun <david.lebrun@uclouvain.be> Signed-off-by:
David S. Miller <davem@davemloft.net>
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David Lebrun authored
This patch adds support for per-socket SRH injection with the setsockopt system call through the IPPROTO_IPV6, IPV6_RTHDR options. The SRH is pushed through the ipv6_push_nfrag_opts function. Signed-off-by:
David Lebrun <david.lebrun@uclouvain.be> Signed-off-by:
David S. Miller <davem@davemloft.net>
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David Lebrun authored
This patch prepares for insertion of SRH through setsockopt(). The new source address argument is used when an HMAC field is present in the SRH, which must be filled. The HMAC signature process requires the source address as input text. Signed-off-by:
David Lebrun <david.lebrun@uclouvain.be> Signed-off-by:
David S. Miller <davem@davemloft.net>
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David Lebrun authored
This patch enables the verification of the HMAC signature for transiting SR-enabled packets, and its insertion on encapsulated/injected SRH. Signed-off-by:
David Lebrun <david.lebrun@uclouvain.be> Signed-off-by:
David S. Miller <davem@davemloft.net>
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David Lebrun authored
This patch provides an implementation of the genetlink commands to associate a given HMAC key identifier with an hashing algorithm and a secret. Signed-off-by:
David Lebrun <david.lebrun@uclouvain.be> Signed-off-by:
David S. Miller <davem@davemloft.net>
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David Lebrun authored
This patch adds the necessary functions to compute and check the HMAC signature of an SR-enabled packet. Two HMAC algorithms are supported: hmac(sha1) and hmac(sha256). In order to avoid dynamic memory allocation for each HMAC computation, a per-cpu ring buffer is allocated for this purpose. A new per-interface sysctl called seg6_require_hmac is added, allowing a user-defined policy for processing HMAC-signed SR-enabled packets. A value of -1 means that the HMAC field will always be ignored. A value of 0 means that if an HMAC field is present, its validity will be enforced (the packet is dropped is the signature is incorrect). Finally, a value of 1 means that any SR-enabled packet that does not contain an HMAC signature or whose signature is incorrect will be dropped. Signed-off-by:
David Lebrun <david.lebrun@uclouvain.be> Signed-off-by:
David S. Miller <davem@davemloft.net>
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David Lebrun authored
This patch creates a new type of interfaceless lightweight tunnel (SEG6), enabling the encapsulation and injection of SRH within locally emitted packets and forwarded packets. >From a configuration viewpoint, a seg6 tunnel would be configured as follows: ip -6 ro ad fc00::1/128 encap seg6 mode encap segs fc42::1,fc42::2,fc42::3 dev eth0 Any packet whose destination address is fc00::1 would thus be encapsulated within an outer IPv6 header containing the SRH with three segments, and would actually be routed to the first segment of the list. If `mode inline' was specified instead of `mode encap', then the SRH would be directly inserted after the IPv6 header without outer encapsulation. The inline mode is only available if CONFIG_IPV6_SEG6_INLINE is enabled. This feature was made configurable because direct header insertion may break several mechanisms such as PMTUD or IPSec AH. Signed-off-by:
David Lebrun <david.lebrun@uclouvain.be> Signed-off-by:
David S. Miller <davem@davemloft.net>
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David Lebrun authored
This patch adds the necessary hooks and structures to provide support for SR-IPv6 control plane, essentially the Generic Netlink commands that will be used for userspace control over the Segment Routing kernel structures. The genetlink commands provide control over two different structures: tunnel source and HMAC data. The tunnel source is the source address that will be used by default when encapsulating packets into an outer IPv6 header + SRH. If the tunnel source is set to :: then an address of the outgoing interface will be selected as the source. The HMAC commands currently just return ENOTSUPP and will be implemented in a future patch. Signed-off-by:
David Lebrun <david.lebrun@uclouvain.be> Signed-off-by:
David S. Miller <davem@davemloft.net>
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David Lebrun authored
Implement minimal support for processing of SR-enabled packets as described in https://tools.ietf.org/html/draft-ietf-6man-segment-routing-header-02. This patch implements the following operations: - Intermediate segment endpoint: incrementation of active segment and rerouting. - Egress for SR-encapsulated packets: decapsulation of outer IPv6 header + SRH and routing of inner packet. - Cleanup flag support for SR-inlined packets: removal of SRH if we are the penultimate segment endpoint. A per-interface sysctl seg6_enabled is provided, to accept/deny SR-enabled packets. Default is deny. This patch does not provide support for HMAC-signed packets. Signed-off-by:
David Lebrun <david.lebrun@uclouvain.be> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Arnd Bergmann authored
The newly introduced mii_ethtool_get_link_ksettings function sets lp_advertising to an uninitialized value when BMCR_ANENABLE is not set: drivers/net/mii.c: In function 'mii_ethtool_get_link_ksettings': drivers/net/mii.c:224:2: error: 'lp_advertising' may be used uninitialized in this function [-Werror=maybe-uninitialized] As documented in include/uapi/linux/ethtool.h, the value is expected to be zero when we don't know it, so let's initialize it to that. Fixes: bc8ee596 ("net: mii: add generic function to support ksetting support") Signed-off-by:
Arnd Bergmann <arnd@arndb.de> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Jan Beulich authored
For single items being collected this should be preferred as being more typesafe (as the compiler can check format string and to-be-written-to variable match) and more efficient (requiring one less parameter to be passed). Signed-off-by:
Jan Beulich <jbeulich@suse.com> Reviewed-by:
Paul Durrant <paul.durrant@citrix.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Hangbin Liu authored
There is some difference between force_igmp_version and force_mld_version. Add document to make users aware of this. Signed-off-by:
Hangbin Liu <liuhangbin@gmail.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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- 09 Nov, 2016 5 commits
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Asbjørn Sloth Tønnesen authored
recv_seq, send_seq and lns_mode mode are all defined as unsigned int foo:1; Signed-off-by:
Asbjoern Sloth Toennesen <asbjorn@asbjorn.st> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Asbjørn Sloth Tønnesen authored
These assignments follow this pattern: unsigned int foo:1; struct nlattr *nla = info->attrs[bar]; if (nla) foo = nla_get_flag(nla); /* expands to: foo = !!nla */ This could be simplified to: if (nla) foo = 1; but lets just remove the condition and use the macro, foo = nla_get_flag(nla); Signed-off-by:
Asbjoern Sloth Toennesen <asbjorn@asbjorn.st> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Asbjørn Sloth Tønnesen authored
This patch causes the proper attribute flags to be set, in the case that IPv6 UDP checksums are disabled, so that userspace ie. `ip l2tp show tunnel` knows about it. Signed-off-by:
Asbjoern Sloth Toennesen <asbjorn@asbjorn.st> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Asbjørn Sloth Tønnesen authored
Only set L2TP_ATTR_UDP_CSUM in l2tp_nl_tunnel_send() when it's running over IPv4. This prepares the code to also have IPv6 specific attributes. Signed-off-by:
Asbjoern Sloth Toennesen <asbjorn@asbjorn.st> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Asbjørn Sloth Tønnesen authored
The attributes L2TP_ATTR_UDP_ZERO_CSUM6_RX and L2TP_ATTR_UDP_ZERO_CSUM6_TX are used as flags, but is defined as a u8 in a comment. This patch redocuments them as flags. Adding nla_policy entries would break API, so not doing that. CC: Tom Herbert <therbert@google.com> Signed-off-by:
Asbjoern Sloth Toennesen <asbjorn@asbjorn.st> Signed-off-by:
David S. Miller <davem@davemloft.net>
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