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2017-12-27rds: tcp: cleanup if kmem_cache_alloc fails in rds_tcp_conn_alloc()Sowmini Varadhan1-20/+26
If kmem_cache_alloc() fails in the middle of the for() loop, cleanup anything that might have been allocated so far. Signed-off-by: Sowmini Varadhan <sowmini.varadhan@oracle.com> Acked-by: Santosh Shilimkar <santosh.shilimkar@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-27rds: tcp: initialize t_tcp_detached to falseSowmini Varadhan1-0/+1
Commit f10b4cff98c6 ("rds: tcp: atomically purge entries from rds_tcp_conn_list during netns delete") adds the field t_tcp_detached, but this needs to be initialized explicitly to false. Signed-off-by: Sowmini Varadhan <sowmini.varadhan@oracle.com> Acked-by: Santosh Shilimkar <santosh.shilimkar@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-27rds; Reset rs->rs_bound_addr in rds_add_bound() failure pathSowmini Varadhan1-0/+1
If the rds_sock is not added to the bind_hash_table, we must reset rs_bound_addr so that rds_remove_bound will not trip on this rds_sock. rds_add_bound() does a rds_sock_put() in this failure path, so failing to reset rs_bound_addr will result in a socket refcount bug, and will trigger a WARN_ON with the stack shown below when the application subsequently tries to close the PF_RDS socket. WARNING: CPU: 20 PID: 19499 at net/rds/af_rds.c:496 \ rds_sock_destruct+0x15/0x30 [rds] : __sk_destruct+0x21/0x190 rds_remove_bound.part.13+0xb6/0x140 [rds] rds_release+0x71/0x120 [rds] sock_release+0x1a/0x70 sock_close+0xe/0x20 __fput+0xd5/0x210 task_work_run+0x82/0xa0 do_exit+0x2ce/0xb30 ? syscall_trace_enter+0x1cc/0x2b0 do_group_exit+0x39/0xa0 SyS_exit_group+0x10/0x10 do_syscall_64+0x61/0x1a0 Signed-off-by: Sowmini Varadhan <sowmini.varadhan@oracle.com> Acked-by: Santosh Shilimkar <santosh.shilimkar@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-27net: sch: api: fix tcf_block_getSudip Mukherjee1-1/+2
The build of mips bcm47xx_defconfig is failing with the error: net/sched/sch_fq_codel.c: In function 'fq_codel_init': net/sched/sch_fq_codel.c:487:8: error: too many arguments to function 'tcf_block_get' While adding the extack support, the commit missed adding it in the headers when CONFIG_NET_CLS is not defined. Fixes: 8d1a77f974ca ("net: sch: api: add extack support in tcf_block_get") Signed-off-by: Sudip Mukherjee <sudipm.mukherjee@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-27Merge branch 'l2tp-next'David S. Miller5-8/+40
Lorenzo Bianconi says: ==================== l2tp: fix offset/peer_offset conf parameters This patchset add peer_offset configuration parameter in order to specify two different values for payload offset on tx/rx side. Moreover fix missing print session offset info ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-27l2tp: add peer_offset parameterLorenzo Bianconi5-8/+38
Introduce peer_offset parameter in order to add the capability to specify two different values for payload offset on tx/rx side. If just offset is provided by userspace use it for rx side as well in order to maintain compatibility with older l2tp versions Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-27l2tp: fix missing print session offset infoHangbin Liu1-0/+2
Report offset parameter in L2TP_CMD_SESSION_GET command if it has been configured by userspace Fixes: 309795f4bec ("l2tp: Add netlink control API for L2TP") Reported-by: Jianlin Shi <jishi@redhat.com> Signed-off-by: Hangbin Liu <liuhangbin@gmail.com> Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-27Merge branch 'master' of ↵David S. Miller13-190/+326
git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec-next Steffen Klassert says: ==================== pull request (net-next): ipsec-next 2017-12-22 1) Separate ESP handling from segmentation for GRO packets. This unifies the IPsec GSO and non GSO codepath. 2) Add asynchronous callbacks for xfrm on layer 2. This adds the necessary infrastructure to core networking. 3) Allow to use the layer2 IPsec GSO codepath for software crypto, all infrastructure is there now. 4) Also allow IPsec GSO with software crypto for local sockets. 5) Don't require synchronous crypto fallback on IPsec offloading, it is not needed anymore. 6) Check for xdo_dev_state_free and only call it if implemented. From Shannon Nelson. 7) Check for the required add and delete functions when a driver registers xdo_dev_ops. From Shannon Nelson. 8) Define xfrmdev_ops only with offload config. From Shannon Nelson. 9) Update the xfrm stats documentation. From Shannon Nelson. Please pull or let me know if there are problems. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-27phylib: rename reset-(post-)delay-us to reset-(de)assert-usRichard Leitner4-10/+11
As suggested by Rob Herring [1] rename the previously introduced reset-{,post-}delay-us bindings to the clearer reset-{,de}assert-us [1] https://patchwork.kernel.org/patch/10104905/ Signed-off-by: Richard Leitner <richard.leitner@skidata.com> Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-27Merge branch 'hns3-next'David S. Miller10-44/+855
Peng Li says: ==================== add some features and fix some bugs for HNS3 driver This patchset adds some new feature support and fixes some bugs: [Patch 1/17 - 5/17] add the support to modify/query the tqp number through ethtool -L/l command, and also fix some related bugs for change tqp number. [Patch 6/17 - 9-17] add support vlan tag offload on tx&&rx direction for pf, and fix some related bugs. [patch 10/17 - 11/17] fix bugs for auto negotiation. [patch 12/17] adds support for ethtool command set_pauseparam. [patch 13/17 - 14/17] add support to update flow control settings after autoneg. [patch 15/17 - 17/17] fix some other bugs in net-next. --- Change Log: V4 -> V5: 1. change the name spelling of Peng Li. V3 -> V4: 1. change the name spelling of Mingguang Qu and Jian Shen. V2 -> V3: 1. order local variables requested by David Miller. 2. use "int" for index iteration loops requested by David Miller. V1 -> V2: 1. fix the comments from Sergei Shtylyov. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-27net: hns3: change TM sched mode to TC-based mode when SRIOV enabledPeng Li1-4/+1
TC-based sched mode supports SRIOV enabled and SRIOV disabled. This patch change the TM sched mode to TC-based mode in initialization process. Fixes: cc9bb43ab394 ("net: hns3: Add tc-based TM support for sriov enabled port") Signed-off-by: Peng Li <lipeng321@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-27net: hns3: Increase the default depth of bucket for TM shaperPeng Li1-2/+2
Burstiness of a flow is determined by the depth of a bucket, When the upper rate of shaper is large, the current depth of a bucket is not enough. The default upper rate of shaper is 100G, so increase the depth of a bucket according to UM. Signed-off-by: Peng Li <lipeng321@huawei.com> Signed-off-by: Yunsheng Lin <linyunsheng@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-27net: hns3: add support for querying advertised pause frame by ethtool ethxPeng Li3-0/+32
This patch adds support for querying advertised pause frame by using ethtool command(ethtool ethx). Fixes: 496d03e960ae ("net: hns3: Add Ethtool support to HNS3 driver") Signed-off-by: Peng Li <lipeng321@huawei.com> Signed-off-by: Fuyun Liang <liangfuyun1@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-27net: hns3: add Asym Pause support to phy default featuresFuyun Liang1-0/+1
commit c4fb2cdf575d ("net: hns3: fix a bug for phy supported feature initialization") adds default supported features for phy, but our hardware also supports Asym Pause. This patch adds Asym Pause support to phy default features to prevent Asym Pause can not be advertised when the phy negotiates flow control. Fixes: c4fb2cdf575d ("net: hns3: fix a bug for phy supported feature initialization") Signed-off-by: Fuyun Liang <liangfuyun1@huawei.com> Signed-off-by: Peng Li <lipeng321@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-27net: hns3: add support to update flow control settings after autonegPeng Li3-0/+41
When auto-negotiation is enabled, the MAC flow control settings is based on the flow control negotiation result. And it should be configured after a valid link has been established. This patch adds support to update flow control settings after auto-negotiation has completed. Signed-off-by: Peng Li <lipeng321@huawei.com> Signed-off-by: Fuyun Liang <liangfuyun1@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-27net: hns3: add support for set_pauseparamPeng Li4-1/+98
This patch adds set_pauseparam support for ethtool cmd. Signed-off-by: Peng Li <lipeng321@huawei.com> Signed-off-by: Fuyun Liang <liangfuyun1@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-27net: hns3: fix for getting auto-negotiation state in hclge_get_autonegFuyun Liang1-0/+4
When phy exists, we use the value of phydev.autoneg to represent the auto-negotiation state of hardware. Otherwise, we use the value of mac.autoneg to represent it. This patch fixes for getting a error value of auto-negotiation state in hclge_get_autoneg(). Fixes: 46a3df9f9718 ("net: hns3: Add HNS3 Acceleration Engine & Compatibility Layer Support") Signed-off-by: Fuyun Liang <liangfuyun1@huawei.com> Signed-off-by: Peng Li <lipeng321@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-27net: hns3: cleanup mac auto-negotiation state queryFuyun Liang1-24/+0
When checking whether auto-negotiation is on, driver only needs to check the value of mac.autoneg(SW) directly, and does not need to query it from hardware. Because this value is always synchronized with the auto-negotiation state of hardware. This patch removes the mac auto-negotiation state query. Signed-off-by: Fuyun Liang <liangfuyun1@huawei.com> Signed-off-by: Peng Li <lipeng321@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-27net: hns3: add handling vlan tag offload in bdPeng Li1-5/+78
This patch deals with the vlan tag information between sk_buff and rx/tx bd. Signed-off-by: Peng Li <lipeng321@huawei.com> Signed-off-by: Jian Shen <shenjian15@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-27net: hns3: add ethtool related offload commandPeng Li3-0/+32
This patch adds offload command related to "ethtool -K". Signed-off-by: Peng Li <lipeng321@huawei.com> Signed-off-by: Jian Shen <shenjian15@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-27net: hns3: add vlan offload config commandPeng Li3-6/+233
This patch adds vlan offload config commands, initializes the rules of tx/rx vlan tag handle for hw. Signed-off-by: Peng Li <lipeng321@huawei.com> Signed-off-by: Jian Shen <shenjian15@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-27net: hns3: add a mask initialization for mac_vlan tablePeng Li2-1/+48
This patch sets vlan masked, in order to avoid the received packets being filtered. Signed-off-by: Peng Li <lipeng321@huawei.com> Signed-off-by: Jian Shen <shenjian15@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-27net: hns3: get rss_size_max from configuration but not hardcodePeng Li3-1/+8
Add configuration for rss_size_max in hdev but not hardcode it. Signed-off-by: Peng Li <lipeng321@huawei.com> Signed-off-by: Mingguang Qu <qumingguang@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-27net: hns3: free the ring_data structrue when change tqpsPeng Li1-0/+4
This patch fixes a memory leak problems in change tqps process, the function hns3_uninit_all_ring and hns3_init_all_ring may be called many times. Signed-off-by: Peng Li <lipeng321@huawei.com> Signed-off-by: Mingguang Qu <qumingguang@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-27net: hns3: change the returned tqp number by ethtool -xPeng Li1-1/+1
This patch modifies the return data of get_rxnfc, it will return the current handle's rss_size but not the total tqp number. because the tc_size has been change to the log2 of roundup power of two of rss_size. Signed-off-by: Peng Li <lipeng321@huawei.com> Signed-off-by: Mingguang Qu <qumingguang@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-27net: hns3: add support to modify tqps numberPeng Li5-0/+240
This patch adds the support to change tqps number for PF driver by using ehtool -L command. Signed-off-by: Peng Li <lipeng321@huawei.com> Signed-off-by: Mingguang Qu <qumingguang@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-27net: hns3: add support to query tqps numberPeng Li3-0/+33
This patch adds the support to query tqps number for PF driver by using ehtool -l command. Signed-off-by: Peng Li <lipeng321@huawei.com> Signed-off-by: Mingguang Qu <qumingguang@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-26net: erspan: remove md NULL checkWilliam Tu2-9/+0
The 'md' is allocated from 'tun_dst = ip_tun_rx_dst' and since we've checked 'tun_dst', 'md' will never be NULL. The patch removes it at both ipv4 and ipv6 erspan. Fixes: afb4c97d90e6 ("ip6_gre: fix potential memory leak in ip6erspan_rcv") Fixes: 50670b6ee9bc ("ip_gre: fix potential memory leak in erspan_rcv") Cc: Haishuang Yan <yanhaishuang@cmss.chinamobile.com> Signed-off-by: William Tu <u9012063@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-26tcp: md5: Handle RCU dereference of md5sig_infoMat Martineau1-1/+1
Dereference tp->md5sig_info in tcp_v4_destroy_sock() the same way it is done in the adjacent call to tcp_clear_md5_list(). Resolves this sparse warning: net/ipv4/tcp_ipv4.c:1914:17: warning: incorrect type in argument 1 (different address spaces) net/ipv4/tcp_ipv4.c:1914:17: expected struct callback_head *head net/ipv4/tcp_ipv4.c:1914:17: got struct callback_head [noderef] <asn:4>*<noident> Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com> Acked-by: Christoph Paasch <cpaasch@apple.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-26net: dsa: lan9303: lan9303_csr_reg_wait cleanupsEgil Hjelmeland1-8/+5
Non-functional cleanups in lan9303_csr_reg_wait(): - Change type of param 'mask' from int to u32. - Remove param 'value' (will probably never be used) - Reduced retries from 1000 to 25, consistent with lan9303_read_wait. - Removed comments Signed-off-by: Egil Hjelmeland <privat@egil-hjelmeland.no> Changes v1 -> v2: - Removed comments Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-26ipv6: Reinject IPv6 packets if IPsec policy matches after SNATTobias Brunner1-0/+8
If SNAT modifies the source address the resulting packet might match an IPsec policy, reinject the packet if that's the case. The exact same thing is already done for IPv4. Signed-off-by: Tobias Brunner <tobias@strongswan.org> Acked-by: Steffen Klassert <steffen.klassert@secunet.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-26enic: add wq clean up budgetGovindarajulu Varadarajan2-2/+4
In case of tx clean up, we set '-1' as budget. This means clean up until wq is empty or till (1 << 32) pkts are cleaned. Under heavy load this will run for long time and cause "watchdog: BUG: soft lockup - CPU#25 stuck for 21s!" warning. This patch sets wq clean up budget to 256. Signed-off-by: Govindarajulu Varadarajan <gvaradar@cisco.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-26rtnetlink: Replace implementation of ASSERT_RTNL() macro with WARN_ONCE()Leon Romanovsky1-7/+3
ASSERT_RTNL() macro is actual open-coded variant of WARN_ONCE() with two exceptions. First, it prints stack for multiple hits and not only once as WARN_ONCE() does. Second, the user can disable prints of WARN_ONCE by setting CONFIG_BUG to N. The multiple prints of dump stack are actually not needed, because calls without rtnl lock are programming errors and user can't do anything about them except to complain to the mailing list after first occurrence of such failure. The user who disabled BUG/WARN prints did it explicitly because by default in upstream kernel and distributions this option is enabled. It means that user doesn't want to see prints about missing locks too. This patch replaces open-coded variant in favor of already existing macro and change error prints to be once only. Reviewed-by: Mark Bloch <markb@mellanox.com> Signed-off-by: Leon Romanovsky <leonro@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-26net: mediatek: remove superfluous pin setup for MT7622 SoCSean Wang2-14/+24
Remove superfluous pin setup to get out of accessing invalid I/O pin registers because the way for pin configuring tends to be different from various SoCs and thus it should be better being managed and controlled by the pinctrl driver which MT7622 already can support. Signed-off-by: Sean Wang <sean.wang@mediatek.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-26dt-bindings: net: mediatek: add condition to property mediatek, pctlSean Wang1-1/+1
The property "mediatek,pctl" is only required for SoCs such as MT2701 and MT7623, so adding a few words for stating the condition. Signed-off-by: Sean Wang <sean.wang@mediatek.com> Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-22Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netDavid S. Miller202-1137/+2851
Lots of overlapping changes. Also on the net-next side the XDP state management is handled more in the generic layers so undo the 'net' nfp fix which isn't applicable in net-next. Include a necessary change by Jakub Kicinski, with log message: ==================== cls_bpf no longer takes care of offload tracking. Make sure netdevsim performs necessary checks. This fixes a warning caused by TC trying to remove a filter it has not added. Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Reviewed-by: Quentin Monnet <quentin.monnet@netronome.com> ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-22xfrm: update the stats documentationShannon Nelson1-6/+14
Add a couple of stats that aren't in the documentation file and rework the top description to be a little more readable. Signed-off-by: Shannon Nelson <shannon.nelson@oracle.com> Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
2017-12-21Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netLinus Torvalds73-492/+1548
Pull networking fixes from David Miller" "What's a holiday weekend without some networking bug fixes? [1] 1) Fix some eBPF JIT bugs wrt. SKB pointers across helper function calls, from Daniel Borkmann. 2) Fix regression from errata limiting change to marvell PHY driver, from Zhao Qiang. 3) Fix u16 overflow in SCTP, from Xin Long. 4) Fix potential memory leak during bridge newlink, from Nikolay Aleksandrov. 5) Fix BPF selftest build on s390, from Hendrik Brueckner. 6) Don't append to cfg80211 automatically generated certs file, always write new ones from scratch. From Thierry Reding. 7) Fix sleep in atomic in mac80211 hwsim, from Jia-Ju Bai. 8) Fix hang on tg3 MTU change with certain chips, from Brian King. 9) Add stall detection to arc emac driver and reset chip when this happens, from Alexander Kochetkov. 10) Fix MTU limitng in GRE tunnel drivers, from Xin Long. 11) Fix stmmac timestamping bug due to mis-shifting of field. From Fredrik Hallenberg. 12) Fix metrics match when deleting an ipv4 route. The kernel sets some internal metrics bits which the user isn't going to set when it makes the delete request. From Phil Sutter. 13) mvneta driver loop over RX queues limits on "txq_number" :-) Fix from Yelena Krivosheev. 14) Fix double free and memory corruption in get_net_ns_by_id, from Eric W. Biederman. 15) Flush ipv4 FIB tables in the reverse order. Some tables can share their actual backing data, in particular this happens for the MAIN and LOCAL tables. We have to kill the LOCAL table first, because it uses MAIN's backing memory. Fix from Ido Schimmel. 16) Several eBPF verifier value tracking fixes, from Edward Cree, Jann Horn, and Alexei Starovoitov. 17) Make changes to ipv6 autoflowlabel sysctl really propagate to sockets, unless the socket has set the per-socket value explicitly. From Shaohua Li. 18) Fix leaks and double callback invocations of zerocopy SKBs, from Willem de Bruijn" [1] Is this a trick question? "Relaxing"? "Quiet"? "Fine"? - Linus. * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (77 commits) skbuff: skb_copy_ubufs must release uarg even without user frags skbuff: orphan frags before zerocopy clone net: reevalulate autoflowlabel setting after sysctl setting openvswitch: Fix pop_vlan action for double tagged frames ipv6: Honor specified parameters in fibmatch lookup bpf: do not allow root to mangle valid pointers selftests/bpf: add tests for recent bugfixes bpf: fix integer overflows bpf: don't prune branches when a scalar is replaced with a pointer bpf: force strict alignment checks for stack pointers bpf: fix missing error return in check_stack_boundary() bpf: fix 32-bit ALU op verification bpf: fix incorrect tracking of register size truncation bpf: fix incorrect sign extension in check_alu_op() bpf/verifier: fix bounds calculation on BPF_RSH ipv4: Fix use-after-free when flushing FIB tables s390/qeth: fix error handling in checksum cmd callback tipc: remove joining group member from congested list selftests: net: Adding config fragment CONFIG_NUMA=y nfp: bpf: keep track of the offloaded program ...
2017-12-21Merge branch 'flow_dissector-Provide-basic-batman-adv-unicast-handling'David S. Miller27-150/+205
Sven Eckelmann says: ==================== flow_dissector: Provide basic batman-adv unicast handling we are currently starting to use batman-adv as mesh protocol on multicore embedded devices. These usually don't have a lot of CPU power per core but are reasonable fast when using multiple cores. It was noticed that sending was working very well but receiving was basically only using on CPU core per neighbor. The reason for that is format of the (normal) incoming packet: +--------------------+ | ip(v6)hdr | +--------------------+ | inner ethhdr | +--------------------+ | batadv unicast hdr | +--------------------+ | outer ethhdr | +--------------------+ The flow dissector will therefore stop after parsing the outer ethernet header and will not parse the actual ipv(4|6)/... header of the packet. Our assumption was now that it would help us to add minimal support to the flow dissector to jump over the batman-adv unicast and inner ethernet header (like in gre ETH_P_TEB). The patch was implemented in a slightly hacky way [1] and the results looked quite promising. I didn't get any feedback how the files should actually be named. So I am now just using the names from RFC v3 The discussion of the RFC v3 can be found in the related patches of https://patchwork.ozlabs.org/cover/849345/ The discussion of the RFC v2 can be found in the related patches of https://patchwork.ozlabs.org/cover/844783/ Changes in v4: ============== * added patch to change the u8/u16 to __u8/__u16 in include/uapi/linux/batadv_packet.h - requested by Willem de Bruijn <willemdebruijn.kernel@gmail.com> Changes in v3: ============== * removed change of uapi/linux/batman_adv.h to uapi/linux/batadv_genl.h - requested by Willem de Bruijn <willemdebruijn.kernel@gmail.com> * removed naming fixes for enums/defines in uapi/linux/batadv_genl.h - requested by Willem de Bruijn <willemdebruijn.kernel@gmail.com> * renamed uapi/linux/batadv.h to uapi/linux/batadv_packet.h * moved batadv dissector functionality in own function - requested by Tom Herbert <tom@herbertland.com> * added support for flags FLOW_DISSECTOR_F_STOP_AT_ENCAP and FLOW_DIS_ENCAPSULATION - requested by Willem de Bruijn <willemdebruijn.kernel@gmail.com> Changes in v2: ============== * removed the batman-adv unicast packet header definition from flow_dissector.c * moved the batman-adv packet.h/uapi headers around to provide the correct definitions to flow_dissector.c ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-21flow_dissector: Parse batman-adv unicast headersSven Eckelmann1-0/+57
The batman-adv unicast packets contain a full layer 2 frame in encapsulated form. The flow dissector must therefore be able to parse the batman-adv unicast header to reach the layer 2+3 information. +--------------------+ | ip(v6)hdr | +--------------------+ | inner ethhdr | +--------------------+ | batadv unicast hdr | +--------------------+ | outer ethhdr | +--------------------+ The obtained information from the upper layer can then be used by RPS to schedule the processing on separate cores. This allows better distribution of multiple flows from the same neighbor to different cores. Signed-off-by: Sven Eckelmann <sven.eckelmann@openmesh.com> Reviewed-by: Jiri Pirko <jiri@mellanox.com> Acked-by: Willem de Bruijn <willemb@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-21batman-adv: Convert packet.h to uapi headerSven Eckelmann26-30/+29
The header file is used by different userspace programs to inject packets or to decode sniffed packets. It should therefore be available to them as userspace header. Also other components in the kernel (like the flow dissector) require access to the packet definitions to be able to decode ETH_P_BATMAN ethernet packets. Signed-off-by: Sven Eckelmann <sven.eckelmann@openmesh.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-21batman-adv: Remove kernel fixed width types in packet.hSven Eckelmann1-107/+107
The uapi headers use the __u8/__u16/... version of the fixed width types instead of u8/u16/... The use of the latter must be avoided before packet.h is copied to include/uapi/linux/. Signed-off-by: Sven Eckelmann <sven.eckelmann@openmesh.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-21batman-adv: Remove usage of BIT(x) in packet.hSven Eckelmann1-12/+11
The BIT(x) macro is no longer available for uapi headers because it is defined outside of it (linux/bitops.h). The use of it must therefore be avoided and replaced by an appropriate other representation. Signed-off-by: Sven Eckelmann <sven.eckelmann@openmesh.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-21batman-adv: Let packet.h include its headers directlySven Eckelmann2-2/+2
The headers used by packet.h should also be included by it directly. main.h is currently dealing with it in batman-adv, but this will no longer work when this header is moved to include/uapi/linux/. Signed-off-by: Sven Eckelmann <sven.eckelmann@openmesh.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-21Merge branch 'sfc-Medford2'David S. Miller7-156/+2435
Bert Kenward says: ==================== sfc: support extra stats on Medford2 X2000-series NICs add port stats for two new features: FEC (Forward Error Correction, used on 25G links) and CTPIO (cut-through programmed I/O). This patch series adds support for reporting both of these sets of stats v2: add additional Signed-off-by ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-21sfc: expose CTPIO stats on NICs that support themBert Kenward2-0/+67
While the Linux driver doesn't use CTPIO ('cut-through programmed I/O'), other drivers on the same port might, so if we're responsible for reporting per-port stats we need to include the CTPIO stats. Signed-off-by: Bert Kenward <bkenward@solarflare.com> Signed-off-by: Edward Cree <ecree@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-21sfc: expose FEC stats on Medford2Edward Cree2-1/+30
There's no explicit capability bit, so we just condition them on having efx->num_mac_stats >= MC_CMD_MAC_NSTATS_V2. Signed-off-by: Edward Cree <ecree@solarflare.com> Signed-off-by: Bert Kenward <bkenward@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-21sfc: support variable number of MAC statsEdward Cree5-11/+29
Medford2 NICs support more than MC_CMD_MAC_NSTATS stats, and report the new count in a field of MC_CMD_GET_CAPABILITIES_V4. This also means that the end generation count moves (it is, as before, the last 64 bits of the DMA buffer, but that is no longer MC_CMD_MAC_GENERATION_END). So read num_mac_stats from the GET_CAPABILITIES response, if present; otherwise assume MC_CMD_MAC_NSTATS; and always use num_mac_stats - 1 rather than MC_CMD_MAC_GENERATION_END. Signed-off-by: Edward Cree <ecree@solarflare.com> Signed-off-by: Bert Kenward <bkenward@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-21sfc: update MCDI protocol headersEdward Cree1-144/+2309
Signed-off-by: Edward Cree <ecree@solarflare.com> Signed-off-by: Bert Kenward <bkenward@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-21cxgb4: add new T5 and T6 device id'sGanesh Goudar1-0/+2
Add device id's 0x50ac, 0x6087 for T5 and T6 cards respectively. Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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