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2016-09-15Merge branch 'libcxgb-next'David S. Miller
Varun Prakash says: ==================== iw_cxgb4,cxgbit: remove duplicate code This patch series removes duplicate code from iw_cxgb4 and cxgbit by adding common function definitions in libcxgb. Please review. ==================== Reviewed-by: Steve Wise <swise@opengridcomputing.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-09-15libcxgb,iw_cxgb4,cxgbit: add cxgb_mk_rx_data_ack()Varun Prakash
Add cxgb_mk_rx_data_ack() to remove duplicate code to form CPL_RX_DATA_ACK hardware command. Signed-off-by: Varun Prakash <varun@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-09-15libcxgb,iw_cxgb4,cxgbit: add cxgb_mk_abort_rpl()Varun Prakash
Add cxgb_mk_abort_rpl() to remove duplicate code to form CPL_ABORT_RPL hardware command. Signed-off-by: Varun Prakash <varun@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-09-15libcxgb,iw_cxgb4,cxgbit: add cxgb_mk_abort_req()Varun Prakash
Add cxgb_mk_abort_req() to remove duplicate code to form CPL_ABORT_REQ hardware command. Signed-off-by: Varun Prakash <varun@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-09-15libcxgb, iw_cxgb4, cxgbit: add cxgb_mk_close_con_req()Varun Prakash
Add cxgb_mk_close_con_req() to remove duplicate code to form CPL_CLOSE_CON_REQ hardware command. Signed-off-by: Varun Prakash <varun@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-09-15libcxgb,iw_cxgb4,cxgbit: add cxgb_mk_tid_release()Varun Prakash
Add cxgb_mk_tid_release() to remove duplicate code to form CPL_TID_RELEASE hardware command. Signed-off-by: Varun Prakash <varun@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-09-15libcxgb,iw_cxgb4,cxgbit: add cxgb_compute_wscale()Varun Prakash
Add cxgb_compute_wscale() in libcxgb_cm.h to remove it's duplicate definitions from cxgb4/cm.c and cxgbit/cxgbit_cm.c. Signed-off-by: Varun Prakash <varun@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-09-15libcxgb,iw_cxgb4,cxgbit: add cxgb_best_mtu()Varun Prakash
Add cxgb_best_mtu() in libcxgb_cm.h to remove it's duplicate definitions from cxgb4/cm.c and cxgbit/cxgbit_cm.c Signed-off-by: Varun Prakash <varun@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-09-15libcxgb,iw_cxgb4,cxgbit: add cxgb_is_neg_adv()Varun Prakash
Add cxgb_is_neg_adv() in libcxgb_cm.h to remove it's duplicate definitions from cxgb4/cm.c and cxgbit/cxgbit_cm.c. Signed-off-by: Varun Prakash <varun@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-09-15libcxgb,iw_cxgb4,cxgbit: add cxgb_find_route6()Varun Prakash
Add cxgb_find_route6() in libcxgb_cm.c to remove it's duplicate definitions from cxgb4/cm.c and cxgbit/cxgbit_cm.c. Signed-off-by: Varun Prakash <varun@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-09-15libcxgb,iw_cxgb4,cxgbit: add cxgb_find_route()Varun Prakash
Add cxgb_find_route() in libcxgb_cm.c to remove it's duplicate definitions from cxgb4/cm.c and cxgbit/cxgbit_cm.c. Signed-off-by: Varun Prakash <varun@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-09-15libcxgb,iw_cxgb4,cxgbit: add cxgb_get_4tuple()Varun Prakash
Add cxgb_get_4tuple() in libcxgb_cm.c to remove it's duplicate definitions from cxgb4/cm.c and cxgbit/cxgbit_cm.c. Signed-off-by: Varun Prakash <varun@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-09-15openvswitch: avoid deferred execution of recirc actionsLance Richardson
The ovs kernel data path currently defers the execution of all recirc actions until stack utilization is at a minimum. This is too limiting for some packet forwarding scenarios due to the small size of the deferred action FIFO (10 entries). For example, broadcast traffic sent out more than 10 ports with recirculation results in packet drops when the deferred action FIFO becomes full, as reported here: http://openvswitch.org/pipermail/dev/2016-March/067672.html Since the current recursion depth is available (it is already tracked by the exec_actions_level pcpu variable), we can use it to determine whether to execute recirculation actions immediately (safe when recursion depth is low) or defer execution until more stack space is available. With this change, the deferred action fifo size becomes a non-issue for currently failing scenarios because it is no longer used when there are three or fewer recursions through ovs_execute_actions(). Suggested-by: Pravin Shelar <pshelar@ovn.org> Signed-off-by: Lance Richardson <lrichard@redhat.com> Acked-by: Pravin B Shelar <pshelar@ovn.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-09-15Merge branch 'cls_flower-port-masks'David S. Miller
Or Gerlitz says: ==================== net/sched: cls_flower: Add ports masks This series adds the ability to specify tcp/udp ports masks for TC/flower filter matches. I also removed an unused fields from the flower keys struct and clarified the format of the recently added vlan attibutes. v1--> v2 changes: * fixes typo in patch #2 title and change log (Sergei) * added acks provided by Jiri on v1 FWIW, by mistake the cover letter of V1 (but not the patches) carried V2 tag, hope this doesn't create too much confusion. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2016-09-15net/sched: cls_flower: Specify vlan attributes format in the UAPI headerOr Gerlitz
Specify the format (size and endianess) for the vlan attributes. Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com> Acked-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-09-15net/sched: cls_flower: Remove an unused field from the filter key structureOr Gerlitz
Commit c3f8324188fa "net: Add full IPv6 addresses to flow_keys" added an unused instance of struct flow_dissector_key_addrs into struct fl_flow_key, remove it. Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com> Reported-by: Hadar Hen Zion <hadarh@mellanox.com> Acked-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-09-15net/sched: cls_flower: Support masking for matching on tcp/udp portsOr Gerlitz
Add the definitions for src/dst udp/tcp port masks and use them when setting && dumping the relevant keys. Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com> Signed-off-by: Paul Blakey <paulb@mellanox.com> Acked-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-09-15alx: fix error handling in __alx_openTobias Regnery
In commit 9ee7b683ea63 we moved the enablement of msi interrupts earlier in alx_init_intr. If there is an error in alx_alloc_rings, __alx_open returns with an error but msi (or msi-x) interrupts stays enabled. Add a new error label to disable msi (or msi-x) interrupts. Fixes: 9ee7b683ea63 ("alx: refactor msi enablement and disablement") Signed-off-by: Tobias Regnery <tobias.regnery@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-09-15cxgb4vf: don't offload Rx checksums for IPv6 fragmentsHariprasad Shenai
The checksum provided by the device doesn't include the L3 headers, as IPv6 expects Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-09-15net_sched: Introduce skbmod actionJamal Hadi Salim
This action is intended to be an upgrade from a usability perspective from pedit (as well as operational debugability). Compare this: sudo tc filter add dev $ETH parent 1: protocol ip prio 10 \ u32 match ip protocol 1 0xff flowid 1:2 \ action pedit munge offset -14 u8 set 0x02 \ munge offset -13 u8 set 0x15 \ munge offset -12 u8 set 0x15 \ munge offset -11 u8 set 0x15 \ munge offset -10 u16 set 0x1515 \ pipe to: sudo tc filter add dev $ETH parent 1: protocol ip prio 10 \ u32 match ip protocol 1 0xff flowid 1:2 \ action skbmod dmac 02:15:15:15:15:15 Also try to do a MAC address swap with pedit or worse try to debug a policy with destination mac, source mac and etherype. Then make few rules out of those and you'll get my point. In the future common use cases on pedit can be migrated to this action (as an example different fields in ip v4/6, transports like tcp/udp/sctp etc). For this first cut, this allows modifying basic ethernet header. The most important ethernet use case at the moment is when redirecting or mirroring packets to a remote machine. The dst mac address needs a re-write so that it doesnt get dropped or confuse an interconnecting (learning) switch or dropped by a target machine (which looks at the dst mac). And at times when flipping back the packet a swap of the MAC addresses is needed. Signed-off-by: Jamal Hadi Salim <jhs@mojatatu.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-09-15Merge branch 'bpf-next'David S. Miller
Daniel Borkmann says: ==================== Misc cls_bpf/act_bpf improvements Two minor improvements to {cls,act}_bpf. For details please see individual patches. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2016-09-15bpf: use skb_at_tc_ingress helper in tcf_bpfDaniel Borkmann
We have a small skb_at_tc_ingress() helper for testing for ingress, so make use of it. cls_bpf already uses it and so should act_bpf. Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Alexei Starovoitov <ast@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-09-15bpf: drop unnecessary test in cls_bpf_classify and tcf_bpfDaniel Borkmann
The skb_mac_header_was_set() test in cls_bpf's and act_bpf's fast-path is actually unnecessary and can be removed altogether. This was added by commit a166151cbe33 ("bpf: fix bpf helpers to use skb->mac_header relative offsets"), which was later on improved by 3431205e0397 ("bpf: make programs see skb->data == L2 for ingress and egress"). We're always guaranteed to have valid mac header at the time we invoke cls_bpf_classify() or tcf_bpf(). Reason is that since 6d1ccff62780 ("net: reset mac header in dev_start_xmit()") we do skb_reset_mac_header() in __dev_queue_xmit() before we could call into sch_handle_egress() or any subsequent enqueue. sch_handle_ingress() always sees a valid mac header as well (things like skb_reset_mac_len() would badly fail otherwise). Thus, drop the unnecessary test in classifier and action case. Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Alexei Starovoitov <ast@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-09-15net/sched: act_tunnel_key: Remove rcu_read_lock protectionHadar Hen Zion
Remove rcu_read_lock protection from tunnel_key_dump and use rtnl_dereference, dump operation is protected by rtnl lock. Also, remove rcu_read_lock from tunnel_key_release and use rcu_dereference_protected. Both operations are running exclusively and a writer couldn't modify t->params while those functions are executed. Fixes: 54d94fd89d90 ('net/sched: Introduce act_tunnel_key') Signed-off-by: Hadar Hen Zion <hadarh@mellanox.com> Acked-by: John Fastabend <john.r.fastabend@intel.com> Acked-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-09-15test_bpf: fix the dummy skb after dissector changesJakub Kicinski
Commit d5709f7ab776 ("flow_dissector: For stripped vlan, get vlan info from skb->vlan_tci") made flow dissector look at vlan_proto when vlan is present. Since test_bpf sets skb->vlan_tci to ~0 (including VLAN_TAG_PRESENT) we have to populate skb->vlan_proto. Fixes false negative on test #24: test_bpf: #24 LD_PAYLOAD_OFF jited:0 175 ret 0 != 42 FAIL (1 times) Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Reviewed-by: Dinan Gunawardena <dinan.gunawardena@netronome.com> Acked-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Alexei Starovoitov <ast@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-09-15atm: iphase: fix newline escape and minor tweak to source formattingColin Ian King
The newline escape is incorrect and needs fixing. Also adjust source formatting / indentation and add { } to trailing else. Signed-off-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-09-15cfg80211: remove unnecessary pointer-ofJohannes Berg
For an array, there's no need to use &array, so just use the plain wiphy->addresses[i].addr here to silence smatch. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2016-09-15mac80211: allow driver to handle packet-loss mechanismRajkumar Manoharan
Based on consecutive msdu failures, mac80211 triggers CQM packet-loss mechanism. Drivers like ath10k that have its own connection monitoring algorithm, offloaded to firmware for triggering station kickout. In case of station kickout, driver will report low ack status by mac80211 API (ieee80211_report_low_ack). This flag will enable the driver to completely rely on firmware events for station kickout and bypass mac80211 packet loss mechanism. Signed-off-by: Rajkumar Manoharan <rmanohar@qti.qualcomm.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2016-09-15mac80211: remove sta_remove_debugfs driver callbackJohannes Berg
No drivers implement this, relying either on the recursive directory removal to remove their debugfs, or not having any to start with. Remove the dead driver callback. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2016-09-15mac80211: remove pointless chanctx NULL checkJohannes Berg
If chanctx is derived as container_of() from a non-NULL pointer, it can't ever be NULL. Since we checked conf before, that's true here, so remove the useless NULL check. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2016-09-15mac80211: remove unused assignmentJohannes Berg
The next line overwrites this assignment, so remove it; there's no real value in using it for the next assignment either. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2016-09-15nl80211: always check nla_put* return valuesJohannes Berg
A few instances were found where we didn't check them, add the missing checks even though they'll probably never trigger as the message should be large enough here. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2016-09-15nl80211: always check nla_nest_start() return valueJohannes Berg
If the message got full during nla_nest_start(), it can return NULL. None of the cases here seem like that can really happen, but check the return value nonetheless. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2016-09-15mac80211: fix scan completed tracingJohannes Berg
Passing the 'info' pointer where a 'info->aborted' is expected will always lead to tracing to erroneously record that the scan was aborted, fix that by passing the correct info->aborted. The remaining data will be collected in cfg80211, so I haven't duplicated it here. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2016-09-15mac80211: fix possible out-of-bounds accessJohannes Berg
In the unlikely situation that the supplicant has negotiated admission for the background AC (which it has no reason to as it's not supposed to be requiring admission control to start with, and we'd ignore such a requirement anyway), the loop here may terminate with non_acm_ac == 4, which leads to an array overrun. Check this explicitly just for completeness. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2016-09-15cfg80211: allow connect keys only with default (TX) keyJohannes Berg
There's no point in allowing connect keys when one of them isn't also configured as the TX key, it would just confuse drivers and probably cause them to pick something for TX. Disallow this confusing and erroneous configuration. As wpa_supplicant will always send NL80211_ATTR_KEYS, even when there are no keys inside, allow that and treat it as though the attribute isn't present at all. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2016-09-14mwifiex: firmware name correction for usb8997 chipsetGanapathi Bhat
Similar to pcie8997 chipset, first firmware submitted for usb8997 chipset will be usbusb8997_combo_v4.bin. This patch corrects the name used in driver. Signed-off-by: Ganapathi Bhat <gbhat@marvell.com> Signed-off-by: Amitkumar Karwar <akarwar@marvell.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-09-14mwifiex: Command 7 handling for USB chipsetsGanapathi Bhat
Firmware image for newer USB chipsets starts with a command 7 block (special command). It doesn't contain data length field. This patch adds necessary handling. Signed-off-by: Ganapathi Bhat <gbhat@marvell.com> Signed-off-by: Amitkumar Karwar <akarwar@marvell.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-09-14rtlwifi: rtl818x: constify local structuresJulia Lawall
For structure types defined in the same file or local header files, find top-level static structure declarations that have the following properties: 1. Never reassigned. 2. Address never taken 3. Not passed to a top-level macro call 4. No pointer or array-typed field passed to a function or stored in a variable. Declare structures having all of these properties as const. Done using Coccinelle. Based on a suggestion by Joe Perches <joe@perches.com>. Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-09-14iwlegacy: constify local structuresJulia Lawall
For structure types defined in the same file or local header files, find top-level static structure declarations that have the following properties: 1. Never reassigned. 2. Address never taken 3. Not passed to a top-level macro call 4. No pointer or array-typed field passed to a function or stored in a variable. Declare structures having all of these properties as const. Done using Coccinelle. Based on a suggestion by Joe Perches <joe@perches.com>. Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr> Acked-by: Stanislaw Gruszka <sgruszka@redhat.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-09-14ath: constify local structuresJulia Lawall
For structure types defined in the same file or local header files, find top-level static structure declarations that have the following properties: 1. Never reassigned. 2. Address never taken 3. Not passed to a top-level macro call 4. No pointer or array-typed field passed to a function or stored in a variable. Declare structures having all of these properties as const. Done using Coccinelle. Based on a suggestion by Joe Perches <joe@perches.com>. Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-09-14rtl8xxxu: fix spelling mistake "firmare" -> "firmware"Colin Ian King
Trivial fix to spelling mistakes in dev_dbg message. Signed-off-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-09-14rtl8xxxu: Reset device on module unload if still attachedJes Sorensen
If the USB dongle is still attached, reset it on module unload to avoid scans failing when reloading the driver. Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-09-14mwifiex: correction in Rx STBC field of htcapinfoAmitkumar Karwar
Currently Rx STBC in assoc request frame is advertised as 3. It should be 2, as our chipsets support two spatial streams. Signed-off-by: Amitkumar Karwar <akarwar@marvell.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-09-14mwifiex: handle error if IRQ request fails in mwifiex_sdio_of()Amitkumar Karwar
When this failure occurs, we will clear card->plt_wake_cfg so that device would initialize without wake up on external interrupt feature. This feature specific code in suspend and resume handlers will be skipped. Signed-off-by: Amitkumar Karwar <akarwar@marvell.com> Reviewed-by: Javier Martinez Canillas <javier@osg.samsung.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-09-14Merge ath-next from git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/ath.gitKalle Valo
ath.git patches for 4.9. Major changes: ath10k * add nl80211 testmode support for 10.4 firmware * hide kernel addresses from logs using %pK format specifier * implement NAPI support * enable peer stats by default ath9k * use ieee80211_tx_status_noskb where possible wil6210 * extract firmware capabilities from the firmware file ath6kl * enable firmware crash dumps on the AR6004 ath-current is also merged to fix a conflict in ath10k.
2016-09-13rxrpc: Add IPv6 supportDavid Howells
Add IPv6 support to AF_RXRPC. With this, AF_RXRPC sockets can be created: service = socket(AF_RXRPC, SOCK_DGRAM, PF_INET6); instead of: service = socket(AF_RXRPC, SOCK_DGRAM, PF_INET); The AFS filesystem doesn't support IPv6 at the moment, though, since that requires upgrades to some of the RPC calls. Note that a good portion of this patch is replacing "%pI4:%u" in print statements with "%pISpc" which is able to handle both protocols and print the port. Signed-off-by: David Howells <dhowells@redhat.com>
2016-09-13rxrpc: Use rxrpc_extract_addr_from_skb() rather than doing this manuallyDavid Howells
There are two places that want to transmit a packet in response to one just received and manually pick the address to reply to out of the sk_buff. Make them use rxrpc_extract_addr_from_skb() instead so that IPv6 is handled automatically. Signed-off-by: David Howells <dhowells@redhat.com>
2016-09-13rxrpc: Don't specify protocol to when creating transport socketDavid Howells
Pass 0 as the protocol argument when creating the transport socket rather than IPPROTO_UDP. Signed-off-by: David Howells <dhowells@redhat.com>
2016-09-13rxrpc: Create an address for sendmsg() to bind unbound socket withDavid Howells
Create an address for sendmsg() to bind unbound socket with rather than using a completely blank address otherwise the transport socket creation will fail because it will try to use address family 0. We use the address family specified in the protocol argument when the AF_RXRPC socket was created and SOCK_DGRAM as the default. For anything else, bind() must be used. Signed-off-by: David Howells <dhowells@redhat.com>
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