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2018-08-07i40e: remove unnecessary i variable causing -Wshadow warningJacob Keller1-1/+0
Commit c61c8fe1d592 ("i40e: Implement an ethtool private flag to stop LLDP in FW") added an extra for-loop which added a shadowing 'i' variable as the index. However, the local variable i already exists, and we already use it as a loop index. Additionally, at this point, there is no further use of the variable, so it's safe to simply overwrite the variable contents. This fixes a -Wshadow warning which has started being enabled on some distributions Signed-off-by: Jacob Keller <jacob.e.keller@intel.com> Reviewed-by: Patryk Malek <patryk.malek@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2018-08-07i40e: convert priority flow control stats to use helpersJacob Keller1-36/+51
The priority flow control statistics are laid out in the stats structure using arrays. This made it unwieldy to use as part of an i40e_stats array. Add a new structure type, i40e_pfc_stats, and a helper function i40e_get_pfc_stats which can return the stats for a given priority value as an i40e_pfc_stats structure. Use this to create an i40e_stats array, which we'll use to format and copy the strings and stats into the supplied buffers. This reduces even more boiler plate code in i40e_get_ethtool_stats and i40e_get_stat_strings. An alternative would be to modify the structure definition for the pfc stats, but this is more invasive to the rest of the code base. Note that a macro was used to setup the copy of stats from the pf->stats, as this reduces the chance of typos in the code names. It will produce a checkpatch.pl warning due to re-use of a macro argument. In this case, it should be safe, as the macro will fail to compile in cases where the argument is not a simple structure member name, and thus arguments with side effects should not be an issue. Signed-off-by: Jacob Keller <jacob.e.keller@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2018-08-07i40e: convert VEB TC stats to use an i40e_stats arrayJacob Keller1-40/+43
The VEB TC stats are currently implemented with separate parsing, instead of using the i40e_stats array and associated helper functions. This is likely because the stats rely on embedding the TC number into the stat name. Update i40e_add_stat_strings to take variadic arguments, and use these to vsnprintf the i40e_stats string as a string containing format specifiers. Create a stats array for the VEB TC related stats, i40e_gstrings_veb_tc_stats, and use this along with the helper functions to remove the specialized boiler plate code. Always call i40e_add_ethtool_stats for both this array and the general VEB stats array. This ensures that we zero out any memory in case it was not zero-allocated for us. This ultimately results in less boiler plate code for the i40e_get_stat_strings and i40e_get_ethtool_stats. Signed-off-by: Jacob Keller <jacob.e.keller@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2018-08-07i40e: Set fec_config when forcing link stateMariusz Stachura1-0/+2
This patch configures FEC setting in i40e_force_link_state(). For some reason setting this field was overlooked thus causing 25G link to be configured incorrectly. Signed-off-by: Mariusz Stachura <mariusz.stachura@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2018-08-07i40e: add helper to copy statistic values into ethtool bufferJacob Keller1-23/+93
Similar to the helper function to copy the ethtool stats strings, add and use a helper function for copying the ethtool stats into the supplied buffer. Just like before, we use a macro to avoid having to pass ARRAY_SIZE manually, so as to reduce chance of bugs. Some of the stats, especially queue stats, are a bit trickier, and will be handled in future patches. Signed-off-by: Jacob Keller <jacob.e.keller@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2018-08-07i40e: add helper function for copying strings from stat arraysJacob Keller1-20/+39
Many of the ethtool statistics use the same basic logic for copying strings into the supplied buffer. A set of stats are stored in a const array of i40e_stats structures, and we apply these all together. Simplify the stats code by introducing a helper function which can take a stats array and copy the strings into the buffer, updating the buffer pointer as we go. We use a macro to implement i40e_add_stat_strings so that ARRAY_SIZE can be used on the array passed in. This ensures that we always use the matching size in __i40e_add_stat_strings. More complex stats currently do not use i40e_stats arrays, usually due to custom formatted strings, or because the stats are not laid out in the expected way. These stats will be updated to use the helper function in separate future patches. Signed-off-by: Jacob Keller <jacob.e.keller@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2018-08-07i40e/i40evf: remove redundant functions i40evf_aq_{set/get}_phy_registerYueHaibing1-69/+0
There are no in-tree callers. Signed-off-by: YueHaibing <yuehaibing@huawei.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2018-08-07i40e: Remove duplicated prepare call in i40e_shutdownSergey Nemov1-6/+0
Function call to i40e_prep_for_reset() is duplicated in i40e_shutdown routine and gets called before i40e_enable_mc_magic_wake() which blocks it from being executed correctly on system reboot or shutdown because adminq is already disabled by first i40e_prep_for_reset() call. Two register write calls are also duplicated. Signed-off-by: Sergey Nemov <sergey.nemov@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2018-08-06ipv4: frags: precedence bug in ip_expire()Dan Carpenter1-1/+1
We accidentally removed the parentheses here, but they are required because '!' has higher precedence than '&'. Fixes: fa0f527358bd ("ip: use rb trees for IP frag queue.") Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-08-06ptp_qoriq: use div_u64/div_u64_rem for 64-bit divisionYangbo Lu1-2/+4
This is a fix-up patch for below build issue with multi_v7_defconfig. drivers/ptp/ptp_qoriq.o: In function `qoriq_ptp_probe': ptp_qoriq.c:(.text+0xd0c): undefined reference to `__aeabi_uldivmod' Fixes: 91305f281262 ("ptp_qoriq: support automatic configuration for ptp timer") Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-08-06net: avoid unnecessary sock_flag() check when enable timestampYafang Shao2-8/+6
The sock_flag() check is alreay inside sock_enable_timestamp(), so it is unnecessary checking it in the caller. void sock_enable_timestamp(struct sock *sk, int flag) { if (!sock_flag(sk, flag)) { ... } } Signed-off-by: Yafang Shao <laoar.shao@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-08-06vhost: switch to use new message formatJason Wang4-19/+111
We use to have message like: struct vhost_msg { int type; union { struct vhost_iotlb_msg iotlb; __u8 padding[64]; }; }; Unfortunately, there will be a hole of 32bit in 64bit machine because of the alignment. This leads a different formats between 32bit API and 64bit API. What's more it will break 32bit program running on 64bit machine. So fixing this by introducing a new message type with an explicit 32bit reserved field after type like: struct vhost_msg_v2 { __u32 type; __u32 reserved; union { struct vhost_iotlb_msg iotlb; __u8 padding[64]; }; }; We will have a consistent ABI after switching to use this. To enable this capability, introduce a new ioctl (VHOST_SET_BAKCEND_FEATURE) for userspace to enable this feature (VHOST_BACKEND_F_IOTLB_V2). Fixes: 6b1e6cc7855b ("vhost: new device IOTLB API") Signed-off-by: Jason Wang <jasowang@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-08-06net/bridge/br_multicast: remove redundant variable "err"zhong jiang1-7/+5
The err is not modified after initalization, So remove it and make it to be void function. Signed-off-by: zhong jiang <zhongjiang@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-08-06mellanox: fix the dport endianness in call of __inet6_lookup_established()Al Viro1-1/+1
__inet6_lookup_established() expect th->dport passed in host-endian, not net-endian. The reason is microoptimization in __inet6_lookup(), but if you use the lower-level helpers, you have to play by their rules... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-08-06ieee802154: fakelb: add deprecated msg while probeAlexander Aring1-0/+3
Since mac802154_hwsim the fakelb driver will get deprecated. This patch will notifier all users of fakelb to switch to the new mac802154_hwsim driver. Signed-off-by: Alexander Aring <aring@mojatatu.com> Signed-off-by: Stefan Schmidt <stefan@datenfreihafen.org>
2018-08-06ieee802154: hwsim: add replacement for fakelbAlexander Aring4-0/+1004
This patch adds a new virtual driver mac802154_hwsim which is based on the fakelb driver. The fakelb driver will get deprecated and hopefully removed someday. The main reason for doing this step is to rename the driver to mac802154_hwsim to have a similar naming scheme as mac80211_hwsim, which is more popular in the 802.11 wireless word and the idea is the same behind this driver. The new features of this driver are to have knowledge about connected edges, which can be changed during runtime. This offers a testing environment for routing protocols e.g. RPL. The default behaviour is still as fakelb: two radios connected to each other. New added radios during runtime will not be connected to other wpan_hwsim instances. The netlink api is not namespace aware on purpose, only the registered wpan_phy's can be moved to namespaces. The physical layer according to wiresless "air" communication can be handled across namespaces. Furthermore the edges can be weighted with the LQI value according IEEE 802.15.4 which offers additional handling to mark bad or good connection indicators to other connected virtual phys. Signed-off-by: Alexander Aring <aring@mojatatu.com> Signed-off-by: Stefan Schmidt <stefan@datenfreihafen.org>
2018-08-06net: ieee802154: 6lowpan: remove redundant pointers 'fq' and 'net'Colin Ian King1-5/+0
Pointers fq and net are being assigned but are never used hence they are redundant and can be removed. Cleans up clang warnings: warning: variable 'fq' set but not used [-Wunused-but-set-variable] warning: variable 'net' set but not used [-Wunused-but-set-variable] Signed-off-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: Stefan Schmidt <stefan@datenfreihafen.org>
2018-08-06net: mac802154: tx: expand tailroom if necessaryAlexander Aring1-1/+14
This patch is necessary if case of AF_PACKET or other socket interface which I am aware of it and didn't allocated the necessary room. Reported-by: David Palma <david.palma@ntnu.no> Reported-by: Rabi Narayan Sahoo <rabinarayans0828@gmail.com> Cc: stable@vger.kernel.org Signed-off-by: Alexander Aring <aring@mojatatu.com> Signed-off-by: Stefan Schmidt <stefan@datenfreihafen.org>
2018-08-06net: 6lowpan: fix reserved space for single framesAlexander Aring1-3/+18
This patch fixes patch add handling to take care tail and headroom for single 6lowpan frames. We need to be sure we have a skb with the right head and tailroom for single frames. This patch do it by using skb_copy_expand() if head and tailroom is not enough allocated by upper layer. Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=195059 Reported-by: David Palma <david.palma@ntnu.no> Reported-by: Rabi Narayan Sahoo <rabinarayans0828@gmail.com> Cc: stable@vger.kernel.org Signed-off-by: Alexander Aring <aring@mojatatu.com> Signed-off-by: Stefan Schmidt <stefan@datenfreihafen.org>
2018-08-05tc-testing: remove duplicate spaces in skbedit match patternsVlad Buslov1-13/+13
Match patterns for some skbedit tests contain duplicate whitespace that is not present in actual tc output. This causes tests to fail because they can't match required action, even when it was successfully created. Signed-off-by: Vlad Buslov <vladbu@mellanox.com> Acked-by: Jamal Hadi Salim <jhs@mojatatu.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-08-05tc-testing: remove duplicate spaces in connmark match patternsVlad Buslov1-12/+12
Match patterns for some connmark tests contain duplicate whitespace that is not present in actual tc output. This causes tests to fail because they can't match required action, even when it was successfully created. Fixes: 1dad0f9ffff7 ("tc-testing: add connmark action tests") Signed-off-by: Vlad Buslov <vladbu@mellanox.com> Acked-by: Jamal Hadi Salim <jhs@mojatatu.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-08-05tc-testing: flush gact actions on test teardownVlad Buslov1-1/+2
Test 6fb4 creates one mirred and one pipe action, but only flushes mirred on teardown. Leaking pipe action causes failures in other tests. Add additional teardown command to also flush gact actions. Signed-off-by: Vlad Buslov <vladbu@mellanox.com> Acked-by: Jamal Hadi Salim <jhs@mojatatu.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-08-05tc-testing: fix ip address in u32 testVlad Buslov1-2/+2
Fix expected ip address to actually match configured ip address. Fix test to expect single matched filter. Signed-off-by: Vlad Buslov <vladbu@mellanox.com> Acked-by: Jamal Hadi Salim <jhs@mojatatu.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-08-05mlxsw: spectrum: Configure MC-aware mode on mlxsw portsPetr Machata1-0/+27
In order to give unicast traffic precedence over BUM traffic, configure multicast-aware mode on all ports. Under multicast-aware regime, when assigning traffic class to a packet, the switch doesn't merely take the value prescribed by the QTCT register. For BUM traffic, it instead assigns that value plus 8. ETS elements for TCs 8..15 thus need to be configured as well. Extend mlxsw_sp_port_ets_init() so that it maps each of them to the same subgroup as their corresponding TC from the range 0..7, such that TCs X and X+8 map to the same subgroup. The existing code configures TCs with strict priority. So far this was immaterial, because each TC had its own subgroup. Now that two TCs share a subgroup it becomes important. TCs are prioritized in order of 7, 6, ..., 0, 15, 14, ..., 8: the higher TCs used for BUM traffic end up being deprioritized. Since that's what's needed, keep that configuration as it is, and configure the new TCs likewise. Finally in mlxsw_sp_port_create(), invoke configuration of QTCTM to enable MC-aware mode on each port. Signed-off-by: Petr Machata <petrm@mellanox.com> Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-08-05mlxsw: spectrum: Fix a typoPetr Machata1-1/+1
Signed-off-by: Petr Machata <petrm@mellanox.com> Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-08-05mlxsw: reg: Add QoS Switch Traffic Class Table is Multicast-Aware RegisterPetr Machata1-0/+37
This register configures if the Switch Priority to Traffic Class mapping is based on Multicast packet indication. If so, then multicast packets will get a Traffic Class that is plus (cap_max_tclass_data/2) the value configured by QTCT. Signed-off-by: Petr Machata <petrm@mellanox.com> Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-08-05virtio-net: mark expected switch fall-throughsGustavo A. R. Silva1-0/+3
In preparation to enabling -Wimplicit-fallthrough, mark switch cases where we are expecting to fall through. Addresses-Coverity-ID: 1402059 ("Missing break in switch") Addresses-Coverity-ID: 1402060 ("Missing break in switch") Addresses-Coverity-ID: 1402061 ("Missing break in switch") Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-08-05net: sched: cls_flower: Fix an error code in fl_tmplt_create()Dan Carpenter1-1/+3
We forgot to set the error code on this path, so we return NULL instead of an error pointer. In the current code kzalloc() won't fail for small allocations so this doesn't really affect runtime. Fixes: b95ec7eb3b4d ("net: sched: cls_flower: implement chain templates") Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-08-05net: check extack._msg before printLi RongQing1-1/+2
dev_set_mtu_ext is able to fail with a valid mtu value, at that condition, extack._msg is not set and random since it is in stack, then kernel will crash when print it. Fixes: 7a4c53bee3324a ("net: report invalid mtu value via netlink extack") Signed-off-by: Zhang Yu <zhangyu31@baidu.com> Signed-off-by: Li RongQing <lirongqing@baidu.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-08-05ipv6: defrag: drop non-last frags smaller than min mtuFlorian Westphal2-0/+8
don't bother with pathological cases, they only waste cycles. IPv6 requires a minimum MTU of 1280 so we should never see fragments smaller than this (except last frag). v3: don't use awkward "-offset + len" v2: drop IPv4 part, which added same check w. IPV4_MIN_MTU (68). There were concerns that there could be even smaller frags generated by intermediate nodes, e.g. on radio networks. Cc: Peter Oskolkov <posk@google.com> Cc: Eric Dumazet <edumazet@google.com> Signed-off-by: Florian Westphal <fw@strlen.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-08-05ip: use rb trees for IP frag queue.Peter Oskolkov6-91/+121
Similar to TCP OOO RX queue, it makes sense to use rb trees to store IP fragments, so that OOO fragments are inserted faster. Tested: - a follow-up patch contains a rather comprehensive ip defrag self-test (functional) - ran neper `udp_stream -c -H <host> -F 100 -l 300 -T 20`: netstat --statistics Ip: 282078937 total packets received 0 forwarded 0 incoming packets discarded 946760 incoming packets delivered 18743456 requests sent out 101 fragments dropped after timeout 282077129 reassemblies required 944952 packets reassembled ok 262734239 packet reassembles failed (The numbers/stats above are somewhat better re: reassemblies vs a kernel without this patchset. More comprehensive performance testing TBD). Reported-by: Jann Horn <jannh@google.com> Reported-by: Juha-Matti Tilli <juha-matti.tilli@iki.fi> Suggested-by: Eric Dumazet <edumazet@google.com> Signed-off-by: Peter Oskolkov <posk@google.com> Signed-off-by: Eric Dumazet <edumazet@google.com> Cc: Florian Westphal <fw@strlen.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-08-05net: modify skb_rbtree_purge to return the truesize of all purged skbs.Peter Oskolkov2-2/+6
Tested: see the next patch is the series. Suggested-by: Eric Dumazet <edumazet@google.com> Signed-off-by: Peter Oskolkov <posk@google.com> Signed-off-by: Eric Dumazet <edumazet@google.com> Cc: Florian Westphal <fw@strlen.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-08-05ip: discard IPv4 datagrams with overlapping segments.Peter Oskolkov3-56/+21
This behavior is required in IPv6, and there is little need to tolerate overlapping fragments in IPv4. This change simplifies the code and eliminates potential DDoS attack vectors. Tested: ran ip_defrag selftest (not yet available uptream). Suggested-by: David S. Miller <davem@davemloft.net> Signed-off-by: Peter Oskolkov <posk@google.com> Signed-off-by: Eric Dumazet <edumazet@google.com> Cc: Florian Westphal <fw@strlen.de> Acked-by: Stephen Hemminger <stephen@networkplumber.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-08-05net/tls: Mark the end in scatterlist tableVakul Garg1-0/+3
Function zerocopy_from_iter() unmarks the 'end' in input sgtable while adding new entries in it. The last entry in sgtable remained unmarked. This results in KASAN error report on using apis like sg_nents(). Before returning, the function needs to mark the 'end' in the last entry it adds. Signed-off-by: Vakul Garg <vakul.garg@nxp.com> Acked-by: Dave Watson <davejwatson@fb.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-08-05ipv6: icmp: Updating pmtu for link local routeGeorg Kohmann1-1/+1
When a ICMPV6_PKT_TOOBIG is received from a link local address the pmtu will be updated on a route with an arbitrary interface index. Subsequent packets sent back to the same link local address may therefore end up not considering the updated pmtu. Current behavior breaks TAHI v6LC4.1.4 Reduce PMTU On-link. Referring to RFC 1981: Section 3: "Note that Path MTU Discovery must be performed even in cases where a node "thinks" a destination is attached to the same link as itself. In a situation such as when a neighboring router acts as proxy [ND] for some destination, the destination can to appear to be directly connected but is in fact more than one hop away." Using the interface index from the incoming ICMPV6_PKT_TOOBIG when updating the pmtu. Signed-off-by: Georg Kohmann <geokohma@cisco.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-08-05ptp_qoriq: support automatic configuration for ptp timerYangbo Lu2-4/+113
This patch is to support automatic configuration for ptp timer. If required ptp dts properties are not provided, driver could try to calculate a set of default configurations to initialize the ptp timer. This makes the driver work for many boards which don't have the required ptp dts properties in current kernel. Also the users could set dts properties by themselves according to their requirement. Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-08-05powerpc/mpc85xx: add clocks property for fman ptp timer nodeYangbo Lu5-0/+5
This patch is to add clocks property for fman ptp timer node. Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-08-05arm64: dts: fsl: add clocks property for fman ptp timer nodeYangbo Lu1-0/+1
This patch is to add clocks property for fman ptp timer node. Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-08-05bnxt_en: Do not use the CNP CoS queue for networking traffic.Michael Chan2-8/+18
The CNP CoS queue is reserved for internal RDMA Congestion Notification Packets (CNP) and should not be used for a TC. Modify the CoS queue discovery code to skip over the CNP CoS queue and to reduce bp->max_tc accordingly. However, if RDMA is disabled in NVRAM, the the CNP CoS queue can be used for a TC. Signed-off-by: Michael Chan <michael.chan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-08-05bnxt_en: Add DCBNL DSCP application protocol support.Michael Chan3-1/+89
Expand the .ieee_setapp() and ieee_delapp() DCBNL methods to support DSCP. This allows DSCP values to user priority mappings instead of using VLAN priorities. Each DSCP mapping is added or deleted one entry at a time using the firmware API. The firmware call can only be made from a PF. Signed-off-by: Michael Chan <michael.chan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-08-05bnxt_en: Add hwmon sysfs support to read temperatureVasundhara Volam3-0/+71
Export temperature sensor reading via hwmon sysfs. Signed-off-by: Vasundhara Volam <vasundhara-v.volam@broadcom.com> Signed-off-by: Michael Chan <michael.chan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-08-05bnxt_en: Notify firmware about IF state changes.Michael Chan2-2/+52
Use latest firmware API to notify firmware about IF state changes. Firmware has the option to clean up resources during IF down and to require the driver to reserve resources again during IF up. Signed-off-by: Michael Chan <michael.chan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-08-05bnxt_en: Move firmware related flags to a new fw_cap field in struct bnxt.Michael Chan3-15/+16
The flags field is almost getting full. Move firmware capability flags to a new fw_cap field to better organize these firmware flags. Signed-off-by: Michael Chan <michael.chan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-08-05bnxt_en: Add BNXT_NEW_RM() macro.Michael Chan5-18/+18
The BNXT_FLAG_NEW_RM flag is checked a lot in the code to determine if the new resource manager is in effect. Define a macro to perform this check. Signed-off-by: Michael Chan <michael.chan@broadocm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-08-05bnxt_en: Add support for ethtool get dump.Vasundhara Volam3-0/+436
Add support to collect live firmware coredump via ethtool. Signed-off-by: Vasundhara Volam <vasundhara-v.volam@broadcom.com> Signed-off-by: Michael Chan <michael.chan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-08-05bnxt_en: Update RSS setup and GRO-HW logic according to the latest spec.Michael Chan2-1/+6
Set the default hash mode flag in HWRM_VNIC_RSS_CFG to signal to the firmware that the driver is compliant with the latest spec. With that, the firmware can return expanded RSS profile IDs that the driver checks to setup the proper gso_type for GRO-HW packets. But instead of checking for the new profile IDs, we check the IP_TYPE flag in TPA_START which is more straight forward than checking a list of profile IDs. Signed-off-by: Michael Chan <michael.chan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-08-05bnxt_en: Add new VF resource allocation strategy mode.Michael Chan3-10/+16
The new mode is "minimal-static" to be used when resources are more limited to support a large number of VFs, for example The PF driver will provision guaranteed minimum resources of 0. Each VF has no guranteed resources until it tries to reserve resources during device open. Signed-off-by: Michael Chan <michael.chan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-08-05bnxt_en: Add PHY retry logic.Michael Chan2-1/+34
During hotplug, the driver's open function can be called almost immediately after power on reset. The PHY may not be ready and the firmware may return failure when the driver tries to update PHY settings. Add retry logic fired from the driver's timer to retry the operation for 5 seconds. Signed-off-by: Michael Chan <michael.chan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-08-05bnxt_en: Add external loopback test to ethtool selftest.Michael Chan3-6/+32
Add code to detect firmware support for external loopback and the extra test entry for external loopback. Signed-off-by: Michael Chan <michael.chan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-08-05bnxt_en: Adjust timer based on ethtool stats-block-usecs settings.Michael Chan1-0/+5
The driver gathers statistics using 2 mechanisms. Some stats are DMA'ed directly from hardware and others are polled from the driver's timer. Currently, we only adjust the DMA frequency based on the ethtool stats-block-usecs setting. This patch adjusts the driver's timer frequency as well to make everything consistent. Signed-off-by: Michael Chan <michael.chan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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