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2019-04-18net: phy: add support for reset-controllerDavid Bauer
This commit adds support for PHY reset pins handled by a reset controller. Signed-off-by: David Bauer <mail@david-bauer.net> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-18dt-bindings: net: add PHY reset controller bindingDavid Bauer
Add the documentation for PHY reset lines controlled by a reset controller. Signed-off-by: David Bauer <mail@david-bauer.net> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-18Merge branch 'net-some-build-fixes-and-other-improvements'David S. Miller
Jakub Kicinski says: ==================== net: some build fixes and other improvements A few unrelated improvements here, mostly trying to make random configs build and W=1 produce a little less warnings under net/ and drivers net/. First two patches fix set but not used warnings with W=1. Next patch fixes 64bit division in sch_taprio.c. Last two patches are getting rid of some (almost) unused asserts in skbuff.h. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-18net: skb: remove unused assertsJakub Kicinski
We are discouraging the use of BUG() these days, remove the unused ASSERT macros from skbuff.h. Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Reviewed-by: Dirk van der Merwe <dirk.vandermerwe@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-18net: gemini: remove unnecessary assertJakub Kicinski
The driver does not advertize NETIF_F_FRAGLIST, the stack can't pass skbs with frags lists to the xmit function. Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Reviewed-by: Dirk van der Merwe <dirk.vandermerwe@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-18net/sched: taprio: fix build without 64bit divJakub Kicinski
Recent changes to taprio did not use the correct div64 helpers, leading to: net/sched/sch_taprio.o: In function `taprio_dequeue': sch_taprio.c:(.text+0x34a): undefined reference to `__divdi3' net/sched/sch_taprio.o: In function `advance_sched': sch_taprio.c:(.text+0xa0b): undefined reference to `__divdi3' net/sched/sch_taprio.o: In function `taprio_init': sch_taprio.c:(.text+0x1450): undefined reference to `__divdi3' /home/jkicinski/devel/linux/Makefile:1032: recipe for target 'vmlinux' failed Use math64 helpers. Fixes: 7b9eba7ba0c1 ("net/sched: taprio: fix picos_per_byte miscalculation") Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Reviewed-by: Dirk van der Merwe <dirk.vandermerwe@netronome.com> Acked-by: Vinicius Costa Gomes <vinicius.gomes@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-18sb1000: fix variable set but not used warningsJakub Kicinski
GCC 8 complains: drivers/net/sb1000.c: In function ‘card_send_command’: drivers/net/sb1000.c:319:14: warning: variable ‘x’ set but not used [-Wunused-but-set-variable] int status, x; ^ drivers/net/sb1000.c: In function ‘sb1000_check_CRC’: drivers/net/sb1000.c:493:6: warning: variable ‘crc’ set but not used [-Wunused-but-set-variable] int crc, status; ^~~ Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Reviewed-by: Dirk van der Merwe <dirk.vandermerwe@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-18l2tp: fix set but not used variableJakub Kicinski
GCC complains: net/l2tp/l2tp_ppp.c: In function ‘pppol2tp_ioctl’: net/l2tp/l2tp_ppp.c:1073:6: warning: variable ‘val’ set but not used [-Wunused-but-set-variable] int val; ^~~ Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Reviewed-by: Dirk van der Merwe <dirk.vandermerwe@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-18bpf: move BPF_PROG_TYPE_FLOW_DISSECTOR documentation to a new common placeStanislav Fomichev
In commit da7031491786 ("bpf: Document BPF_PROG_TYPE_CGROUP_SYSCTL") Andrey proposes to put per-prog type docs under Documentation/bpf/ Let's move flow dissector documentation there as well. Signed-off-by: Stanislav Fomichev <sdf@google.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2019-04-18ipv6: Add rate limit mask for ICMPv6 messagesStephen Suryaputra
To make ICMPv6 closer to ICMPv4, add ratemask parameter. Since the ICMP message types use larger numeric values, a simple bitmask doesn't fit. I use large bitmap. The input and output are the in form of list of ranges. Set the default to rate limit all error messages but Packet Too Big. For Packet Too Big, use ratemask instead of hard-coded. There are functions where icmpv6_xrlim_allow() and icmpv6_global_allow() aren't called. This patch only adds them to icmpv6_echo_reply(). Rate limiting error messages is mandated by RFC 4443 but RFC 4890 says that it is also acceptable to rate limit informational messages. Thus, I removed the current hard-coded behavior of icmpv6_mask_allow() that doesn't rate limit informational messages. v2: Add dummy function proc_do_large_bitmap() if CONFIG_PROC_SYSCTL isn't defined, expand the description in ip-sysctl.txt and remove unnecessary conditional before kfree(). v3: Inline the bitmap instead of dynamically allocated. Still is a pointer to it is needed because of the way proc_do_large_bitmap work. Signed-off-by: Stephen Suryaputra <ssuryaextr@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-18net: phy: remove dead code from phy_sanitize_settingsHeiner Kallweit
phy_sanitize_settings() is called from phy_start_aneg() only, and only if phydev->autoneg isn't set. Therefore the removed code does nothing. Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-18bpf: Increase MAX_NR_MAPS to 17 in test_verifier.cMartin KaFai Lau
map_fds[16] is the last one index-ed by fixup_map_array_small. Hence, the MAX_NR_MAPS should be 17 instead. Fixes: fb2abb73e575 ("bpf, selftest: test {rd, wr}only flags and direct value access") Signed-off-by: Martin KaFai Lau <kafai@fb.com> Acked-by: Yonghong Song <yhs@fb.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2019-04-18net: phy: don't set autoneg if it's not supportedHeiner Kallweit
In phy_device_create() we set phydev->autoneg = 1. This isn't changed even if the PHY doesn't support autoneg. This seems to affect very few PHY's, and they disable phydev->autoneg in their config_init callback. So it's more of an improvement, therefore net-next. The patch also wouldn't apply to older kernel versions because the link mode bitmaps have been introduced recently. Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-18selftests/bpf: fix compile errors due to unsync linux/in6.h and netinet/in.hWang YanQing
I meet below compile errors: " In file included from test_tcpnotify_kern.c:12: /usr/include/netinet/in.h:101:5: error: expected identifier IPPROTO_HOPOPTS = 0, /* IPv6 Hop-by-Hop options. */ ^ /usr/include/linux/in6.h:131:26: note: expanded from macro 'IPPROTO_HOPOPTS' ^ In file included from test_tcpnotify_kern.c:12: /usr/include/netinet/in.h:103:5: error: expected identifier IPPROTO_ROUTING = 43, /* IPv6 routing header. */ ^ /usr/include/linux/in6.h:132:26: note: expanded from macro 'IPPROTO_ROUTING' ^ In file included from test_tcpnotify_kern.c:12: /usr/include/netinet/in.h:105:5: error: expected identifier IPPROTO_FRAGMENT = 44, /* IPv6 fragmentation header. */ ^ /usr/include/linux/in6.h:133:26: note: expanded from macro 'IPPROTO_FRAGMENT' " The same compile errors are reported for test_tcpbpf_kern.c too. My environment: lsb_release -a: No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 16.04.6 LTS Release: 16.04 Codename: xenial dpkg -l | grep libc-dev: ii libc-dev-bin 2.23-0ubuntu11 amd64 GNU C Library: Development binaries ii linux-libc-dev:amd64 4.4.0-145.171 amd64 Linux Kernel Headers for development. The reason is linux/in6.h and netinet/in.h aren't synchronous about how to handle the same definitions, IPPROTO_HOPOPTS, etc. This patch fixes the compile errors by moving <netinet/in.h> to before the <linux/*.h>. Signed-off-by: Wang YanQing <udknight@gmail.com> Acked-by: Yonghong Song <yhs@fb.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2019-04-18libbpf: remove compile time warning from libbpf_util.hMagnus Karlsson
Having a helpful compile time warning in libbpf_util.h is not a good idea since all warnings are treated as errors. Change this into a comment in the code instead. Fixes: b7e3a28019c9 ("libbpf: remove dependency on barrier.h in xsk.h") Signed-off-by: Magnus Karlsson <magnus.karlsson@intel.com> Acked-by: Yonghong Song <yhs@fb.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2019-04-18bpf: Document BPF_PROG_TYPE_CGROUP_SYSCTLAndrey Ignatov
Add documentation for BPF_PROG_TYPE_CGROUP_SYSCTL, including general info, attach type, context, return code, helpers, example and usage considerations. A separate file prog_cgroup_sysctl.rst is added to Documentation/bpf/. In the future more program types can be documented in their own prog_<name>.rst files. Another way to place program type specific documentation would be to group program types somehow (e.g. cgroup.rst for all cgroup-bpf programs), but it may not scale well since some program types may belong to different groups, e.g. BPF_PROG_TYPE_CGROUP_SKB can be documented together with either cgroup-bpf programs or programs that access skb. The new file is added to the index and verified by `make htmldocs` / sanity-check by lynx. Signed-off-by: Andrey Ignatov <rdna@fb.com> Acked-by: Yonghong Song <yhs@fb.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2019-04-18Merge branch '100GbE' of ↵David S. Miller
git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/next-queue Jeff Kirsher says: ==================== 100GbE Intel Wired LAN Driver Updates 2019-04-18 This series contains updates to the ice driver only. Anirudh fixes up code comments which had typos. Added support for DCB into the ice driver, which required a bit of refactoring of the existing code. Also fixed a potential race condition between closing and opening the VSI for a MIB change event, so resolved this by grabbing the rtnl_lock prior to closing. Added support to process LLDP MIB change notifications. Added support for reporting DCB stats via ethtool. Brett updates the calculation to increment ITR to use a direct calculation instead of using estimations. This provides a more accurate value. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-18Merge tag 'wireless-drivers-next-for-davem-2019-04-18' of ↵David S. Miller
git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers-next Kalle Valo says: ==================== wireless-drivers-next patches for 5.2 Nothing really special standing out this time, iwlwifi being the most active driver. Major changes: iwlwifi * send NO_DATA events so they can be captured in radiotap * support for multiple BSSID * support for some new FW API versions * support new hardware * debugfs cleanups by Greg-KH qtnfmac * allow each MAC to specify its own regulatory rules ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-18ice: Calculate ITR increment based on direct calculationBrett Creeley
Currently when calculating how much to increment ITR by inside of ice_update_itr() we do some estimations and intermediate calculations. Instead of doing estimations, just do the calculation directly. This allows for a more accurate value and it makes it easier for the next person to understand and update. Also, remove the dividing the ITR value by 2 when latency driven because the ITR values are already so low for 100Gbps speed. This should help get to the desired ITR value faster. Signed-off-by: Brett Creeley <brett.creeley@intel.com> Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2019-04-18ice: Bump driver versionAnirudh Venkataramanan
Update driver version to 0.7.4 Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2019-04-18ice: Add code to control FW LLDP and DCBXAnirudh Venkataramanan
This patch adds code to start or stop LLDP and DCBX in firmware through use of ethtool private flags. Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2019-04-18ice: Add code for DCB rebuildAnirudh Venkataramanan
This patch introduces a new function ice_dcb_rebuild which reinitializes DCB after a reset. Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2019-04-18ice: Add code to get DCB related statisticsAnirudh Venkataramanan
This patch adds a new function ice_update_dcb_stats to get DCB stats from the hardware and ethtool support for displaying these stats. Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2019-04-18ice: Add priority information into VLAN headerAnirudh Venkataramanan
This patch introduces a new function ice_tx_prepare_vlan_flags_dcb to insert 802.1p priority information into the VLAN header Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2019-04-18ice: Update rings based on TC informationAnirudh Venkataramanan
This patch adds a new function ice_vsi_cfg_dcb_rings which updates a VSI's rings based on DCB traffic class information. Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2019-04-18ice: Add code to process LLDP MIB change eventsAnirudh Venkataramanan
This patch adds support to process LLDP MIB change notifications sent by the firmware. Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2019-04-18ice: Add code for DCB initialization part 4/4Anirudh Venkataramanan
When the firmware doesn't support LLDP or DCBX, the driver should switch to "software LLDP mode". This patch adds support for the same. Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2019-04-18ice: Add code for DCB initialization part 3/4Anirudh Venkataramanan
This patch adds a new function ice_pf_dcb_cfg (and related helpers) which applies the DCB configuration obtained from the firmware. As part of this, VSIs/netdevs are updated with traffic class information. This patch requires a bit of a refactor of existing code. 1. For a MIB change event, the associated VSI is closed and brought up again. The gap between closing and opening the VSI can cause a race condition. Fix this by grabbing the rtnl_lock prior to closing the VSI and then only free it after re-opening the VSI during a MIB change event. 2. ice_sched_query_elem is used in ice_sched.c and with this patch, in ice_dcb.c as well. However, ice_dcb.c is not built when CONFIG_DCB is unset. This results in namespace warnings (ice_sched.o: Externally defined symbols with no external references) when CONFIG_DCB is unset. To avoid this move ice_sched_query_elem from ice_sched.c to ice_common.c. Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2019-04-18ice: Add code for DCB initialization part 2/4Anirudh Venkataramanan
This patch introduces a new top level function ice_init_dcb (and related lower level helper functions) which continues the DCB init flow. This function uses ice_get_dcb_cfg to get, parse and store the DCB configuration. Once this is done, it sets itself up to be notified by the firmware on LLDP MIB change events. Reviewed-by: Bruce Allan <bruce.w.allan@intel.com> Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2019-04-18ice: Add code for DCB initialization part 1/4Anirudh Venkataramanan
This patch introduces a skeleton for ice_init_pf_dcb, the top level function for DCB initialization. Subsequent patches will add to this DCB init flow. In this patch, ice_init_pf_dcb checks if DCB is a supported capability. If so, an admin queue call to start the LLDP and DCBx in firmware is issued. If not, an error is reported. Note that we don't fail the driver init if DCB init fails. Reviewed-by: Bruce Allan <bruce.w.allan@intel.com> Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2019-04-18ice: Bump versionAnirudh Venkataramanan
Bump driver version to 0.7.3 Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2019-04-18ice: Fix incorrect use of abbreviationsAnirudh Venkataramanan
Capitalize abbreviations and spell out some that aren't obvious. Reviewed-by: Bruce Allan <bruce.w.allan@intel.com> Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2019-04-18ice: Fix typos in code commentsAnirudh Venkataramanan
This patch fixes typos in code comments. Reviewed-by: Bruce Allan <bruce.w.allan@intel.com> Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2019-04-18rtlwifi: rtl8188ee: Remove extraneous fileLarry Finger
Somehow file drivers/net/wireless/realtek/rtlwifi/rtl8188ee/trx.c.rej was incorporated into the sources. Obviously, it can be removed. Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Reported-by: Andrew Morton <akpm@linux-foundation.org> Cc: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2019-04-17net ipv6: Prevent neighbor add if protocol is disabled on deviceDavid Ahern
Disabling IPv6 on an interface removes existing entries but nothing prevents new entries from being manually added. To that end, add a new neigh_table operation, allow_add, that is called on RTM_NEWNEIGH to see if neighbor entries are allowed on a given device. If IPv6 is disabled on the device, allow_add returns false and passes a message back to the user via extack. $ echo 1 > /proc/sys/net/ipv6/conf/eth1/disable_ipv6 $ ip -6 neigh add fe80::4c88:bff:fe21:2704 dev eth1 lladdr de:ad:be:ef:01:01 Error: IPv6 is disabled on this device. Signed-off-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-17Merge branch 'ipv6-Use-fib6_result-for-fib_lookups'David S. Miller
David Ahern says: ==================== ipv6: Use fib6_result for fib_lookups Add fib6_result as a single data structure to hold results from a fib lookup. IPv6 currently has everything in 1 data structure - a fib6_info, but with nexthop objects the fib6_nh can be in a nexthop or a nexthop can be a blackhole which affects the fib6_type and flags (REJECT). v2 - fixed 2 bugs in patch12: i. checking return from fib6_table_lookup in fib6_lookup ii. call to fib6_rule_saddr in fib6_rule_action_alt should use res->nh ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-17ipv6: Add fib6_type and fib6_flags to fib6_resultDavid Ahern
Add the fib6_flags and fib6_type to fib6_result. Update the lookup helpers to set them and update post fib lookup users to use the version from the result. This allows nexthop objects to have blackhole nexthop. Signed-off-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-17ipv6: Pass fib6_result to fib lookupsDavid Ahern
Change fib6_lookup and fib6_table_lookup to take a fib6_result and set f6i and nh rather than returning a fib6_info. For now both always return 0. A later patch set can make these more like the IPv4 counterparts and return EINVAL, EACCESS, etc based on fib6_type. Signed-off-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-17ipv6: Pass fib6_result to fib6_table_lookup tracepointDavid Ahern
Change fib6_table_lookup tracepoint to take the fib6_result and use the fib6_info and fib6_nh from it. Signed-off-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-17ipv6: Pass fib6_result to rt6_select and find_rr_leafDavid Ahern
Pass fib6_result to rt6_select. Instead of returning the fib entry, it will set f6i and nh based on the lookup. find_rr_leaf is changed to remove the match option in favor of taking fib6_result and having __find_rr_leaf set f6i in the result. In the process, update fib6_info references in __find_rr_leaf to f6i names. Signed-off-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-17ipv6: Pass fib6_result to rt6_device_matchDavid Ahern
Pass fib6_result to rt6_device_match with f6i set. rt6_device_match updates f6i in the result if it finds a better match and sets nh. Signed-off-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-17ipv6: Pass fib6_result to ip6_mtu_from_fib6 and fib6_mtuDavid Ahern
Change ip6_mtu_from_fib6 and fib6_mtu to take a fib6_result over a fib6_info. Update both to use the fib6_nh from fib6_result. Since the signature of ip6_mtu_from_fib6 is already changing, add const to daddr and saddr. Signed-off-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-17ipv6: Pass fib6_result to rt6_insert_exceptionDavid Ahern
Update rt6_insert_exception to take a fib6_result over a fib6_info. Change ort to f6i from the fib6_result and rename to better reflect what it references (a fib6_info). Since this function is already getting changed, update the comments to reference fib6_info variables rather than the older rt6_info. Signed-off-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-17ipv6: Pass fib6_result to ip6_rt_get_dev_rcu and ip6_rt_copy_initDavid Ahern
Now that all callers are update to have a fib6_result, pass it down to ip6_rt_get_dev_rcu, ip6_rt_copy_init, and ip6_rt_init_dst. In the process, change ort to f6i in ip6_rt_copy_init to make it clear it is a reference to a fib6_info. Signed-off-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-17ipv6: Pass fib6_result to pcpu route functionsDavid Ahern
Update ip6_rt_pcpu_alloc, rt6_get_pcpu_route and rt6_make_pcpu_route to a fib6_result over a fib6_info. Signed-off-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-17ipv6: Pass fib6_result to ip6_create_rt_rcuDavid Ahern
Change ip6_create_rt_rcu to take fib6_result over a fib6_info. Signed-off-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-17ipv6: Pass fib6_result to ip6_rt_cache_allocDavid Ahern
Change ip6_rt_cache_alloc to take a fib6_result over a fib6_info. Since ip6_rt_cache_alloc is only the caller, update the rt6_is_gw_or_nonexthop helper to take fib6_result. Signed-off-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-17ipv6: Pass fib6_result to rt6_find_cached_rtDavid Ahern
Simplify rt6_find_cached_rt for the fast path cases and pass fib6_result to rt6_find_cached_rt. Rename the local return variable to ret to maintain consisting with fib6_result name. Update the comment in rt6_find_cached_rt to reference the new names in a fib6_info vs the old name when fib entries were an rt6_info. Signed-off-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-17ipv6: Rename fib6_multipath_select and pass fib6_resultDavid Ahern
Add 'struct fib6_result' to hold the fib entry and fib6_nh from a fib lookup as separate entries, similar to what IPv4 now has with fib_result. Rename fib6_multipath_select to fib6_select_path, pass fib6_result to it, and set f6i and nh in the result once a path selection is done. Call fib6_select_path unconditionally for path selection which means moving the sibling and oif check to fib6_select_path. To handle the two different call paths (2 only call multipath_select if flowi6_oif == 0 and the other always calls it), add a new have_oif_match that controls the sibling walk if relevant. Update callers of fib6_multipath_select accordingly and have them use the fib6_info and fib6_nh from the result. This is needed for multipath nexthop objects where a single f6i can point to multiple fib6_nh (similar to IPv4). Signed-off-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-17selftests/bpf: fix a compilation errorYonghong Song
I hit the following compilation error with gcc 4.8.5. prog_tests/flow_dissector.c: In function ‘test_flow_dissector’: prog_tests/flow_dissector.c:155:2: error: ‘for’ loop initial declarations are only allowed in C99 mode for (int i = 0; i < ARRAY_SIZE(tests); i++) { ^ prog_tests/flow_dissector.c:155:2: note: use option -std=c99 or -std=gnu99 to compile your code Let us fix the issue by avoiding this particular c99 feature. Fixes: a5cb33464e53 ("selftests/bpf: make flow dissector tests more extensible") Signed-off-by: Yonghong Song <yhs@fb.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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