| Commit message (Collapse) | Author | Age | Files | Lines |
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Add wrappers around the devlink resource API, so that DSA drivers can
register and unregister devlink resources.
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Alexei Starovoitov says:
====================
pull-request: bpf-next 2019-11-02
The following pull-request contains BPF updates for your *net-next* tree.
We've added 30 non-merge commits during the last 7 day(s) which contain
a total of 41 files changed, 1864 insertions(+), 474 deletions(-).
The main changes are:
1) Fix long standing user vs kernel access issue by introducing
bpf_probe_read_user() and bpf_probe_read_kernel() helpers, from Daniel.
2) Accelerated xskmap lookup, from Björn and Maciej.
3) Support for automatic map pinning in libbpf, from Toke.
4) Cleanup of BTF-enabled raw tracepoints, from Alexei.
5) Various fixes to libbpf and selftests.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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In this commit the XSKMAP entry lookup function used by the XDP
redirect code is moved from the xskmap.c file to the xdp_sock.h
header, so the lookup can be inlined from, e.g., the
bpf_xdp_redirect_map() function.
Further the __xsk_map_redirect() and __xsk_map_flush() is moved to the
xsk.c, which lets the compiler inline the xsk_rcv() and xsk_flush()
functions.
Finally, all the XDP socket functions were moved from linux/bpf.h to
net/xdp_sock.h, where most of the XDP sockets functions are anyway.
This yields a ~2% performance boost for the xdpsock "rx_drop"
scenario.
Signed-off-by: Björn Töpel <bjorn.topel@intel.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/20191101110346.15004-4-bjorn.topel@gmail.com
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The only slightly tricky merge conflict was the netdevsim because the
mutex locking fix overlapped a lot of driver reload reorganization.
The rest were (relatively) trivial in nature.
Signed-off-by: David S. Miller <davem@davemloft.net>
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Now that the DSA ports are listed in the switch fabric, there is
no need to store the dsa_switch structures from the drivers in the
fabric anymore. So get rid of the dst->ds static array.
Signed-off-by: Vivien Didelot <vivien.didelot@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Drivers do not use the ds->rtable static arrays anymore, get rid of it.
Signed-off-by: Vivien Didelot <vivien.didelot@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Implement a new list of DSA links in the switch fabric itself, to
provide an alterative to the ds->rtable static arrays.
At the same time, provide a new dsa_routing_port() helper to abstract
the usage of ds->rtable in drivers. If there's no port to reach a
given device, return the first invalid port, ds->num_ports. This avoids
potential signedness errors or the need to define special values.
Signed-off-by: Vivien Didelot <vivien.didelot@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Extend struct tc_action with new "tcfa_flags" field. Set the field in
tcf_idr_create() function and provide new helper
tcf_idr_create_from_flags() that derives 'cpustats' boolean from flags
value. Update individual hardware-offloaded actions init() to pass their
"flags" argument to new helper in order to skip percpu stats allocation
when user requested it through flags.
Signed-off-by: Vlad Buslov <vladbu@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Extend TCA_ACT space with nla_bitfield32 flags. Add
TCA_ACT_FLAGS_NO_PERCPU_STATS as the only allowed flag. Parse the flags in
tcf_action_init_1() and pass resulting value as additional argument to
a_o->init().
Signed-off-by: Vlad Buslov <vladbu@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Modify stats update helper functions introduced in previous patches in this
series to fallback to regular tc_action->tcfa_{b|q}stats if cpu stats are
not allocated for the action argument. If regular non-percpu allocated
counters are in use, then obtain action tcfa_lock while modifying them.
Signed-off-by: Vlad Buslov <vladbu@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Previous commit introduced helper function for updating qstats and
refactored set of actions to use the helpers, instead of modifying qstats
directly. However, one of the affected action exposes its qstats to
skb_tc_reinsert(), which then modifies it.
Refactor skb_tc_reinsert() to return integer error code and don't increment
overlimit qstats in case of error, and use the returned error code in
tcf_mirred_act() to manually increment the overlimit counter with new
helper function.
Signed-off-by: Vlad Buslov <vladbu@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Extract common code that increments cpu_qstats counters into standalone act
API functions. Change hardware offloaded actions that use percpu counter
allocation to use the new functions instead of accessing cpu_qstats
directly.
This commit doesn't change functionality.
Signed-off-by: Vlad Buslov <vladbu@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Extract common code that increments cpu_bstats counter into standalone act
API function. Change hardware offloaded actions that use percpu counter
allocation to use the new function instead of incrementing cpu_bstats
directly.
This commit doesn't change functionality.
Signed-off-by: Vlad Buslov <vladbu@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Currently, all implementations of tc_action_ops->stats_update() callback
have almost exactly the same implementation of counters update
code (besides gact which also updates drop counter). In order to simplify
support for using both percpu-allocated and regular action counters
depending on run-time flag in following patches, extract action counters
update code into standalone function in act API.
This commit doesn't change functionality.
Signed-off-by: Vlad Buslov <vladbu@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The ICMP flow dissector currently parses only the Type and Code fields.
Some ICMP packets (echo, timestamp) have a 16 bit Identifier field which
is used to correlate packets.
Add such field in flow_dissector_key_icmp and replace skb_flow_get_be16()
with a more complex function which populate this field.
Signed-off-by: Matteo Croce <mcroce@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Documents two piece of code which can't be understood at a glance.
Signed-off-by: Matteo Croce <mcroce@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The only smc-related reference in net/sock.h is struct smc_hashinfo.
But just its address is refered to. Thus there is no need for the
include of net/smc.h. Remove it.
Suggested-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed by: Karsten Graul <kgraul@linux.ibm.com>
Signed-off-by: Ursula Braun <ubraun@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Return directly from within the loop as soon as the port is found,
otherwise we won't return NULL if the end of the list is reached.
Fixes: b96ddf254b09 ("net: dsa: use ports list in dsa_to_port")
Signed-off-by: Vivien Didelot <vivien.didelot@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add plumbing to allow DSA drivers to register parameters with devlink.
To keep with the abstraction, the DSA drivers pass the ds structure to
these helpers, and the DSA core then translates that to the devlink
structure associated to the device.
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Fix misspellings of "disconnect", "disconnecting", "connections", and
"disconnected".
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Kalle Valo <kvalo@codeaurora.org>
Acked-by: Simon Horman <horms@verge.net.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Pablo Neira Ayuso says:
====================
Netfilter/IPVS updates for net-next
The following patchset contains Netfilter/IPVS updates for net-next,
more specifically:
* Updates for ipset:
1) Coding style fix for ipset comment extension, from Jeremy Sowden.
2) De-inline many functions in ipset, from Jeremy Sowden.
3) Move ipset function definition from header to source file.
4) Move ip_set_put_flags() to source, export it as a symbol, remove
inline.
5) Move range_to_mask() to the source file where this is used.
6) Move ip_set_get_ip_port() to the source file where this is used.
* IPVS selftests and netns improvements:
7) Two patches to speedup ipvs netns dismantle, from Haishuang Yan.
8) Three patches to add selftest script for ipvs, also from
Haishuang Yan.
* Conntrack updates and new nf_hook_slow_list() function:
9) Document ct ecache extension, from Florian Westphal.
10) Skip ct extensions from ctnetlink dump, from Florian.
11) Free ct extension immediately, from Florian.
12) Skip access to ecache extension from nf_ct_deliver_cached_events()
this is not correct as reported by Syzbot.
13) Add and use nf_hook_slow_list(), from Florian.
* Flowtable infrastructure updates:
14) Move priority to nf_flowtable definition.
15) Dynamic allocation of per-device hooks in flowtables.
16) Allow to include netdevice only once in flowtable definitions.
17) Rise maximum number of devices per flowtable.
* Netfilter hardware offload infrastructure updates:
18) Add nft_flow_block_chain() helper function.
19) Pass callback list to nft_setup_cb_call().
20) Add nft_flow_cls_offload_setup() helper function.
21) Remove rules for the unregistered device via netdevice event.
22) Support for multiple devices in a basechain definition at the
ingress hook.
22) Add nft_chain_offload_cmd() helper function.
23) Add nft_flow_block_offload_init() helper function.
24) Rewind in case of failing to bind multiple devices to hook.
25) Typo in IPv6 tproxy module description, from Norman Rasmussen.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch allows you to register one netdev basechain to multiple
devices. This adds a new NFTA_HOOK_DEVS netlink attribute to specify
the list of netdevices. Basechains store a list of hooks.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Rise the maximum limit of devices per flowtable up to 256. Rename
NFT_FLOWTABLE_DEVICE_MAX to NFT_NETDEVICE_MAX in preparation to reuse
the netdev hook parser for ingress basechain.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Use a list of hooks per device instead an array.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Hardware offload needs access to the priority field, store this field in
the nf_flowtable object.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Instead of waiting for rcu grace period just free it directly.
This is safe because conntrack lookup doesn't consider extensions.
Other accesses happen while ct->ext can't be free'd, either because
a ct refcount was taken or because the conntrack hash bucket lock or
the dying list spinlock have been taken.
This allows to remove __krealloc in a followup patch, netfilter was the
only user.
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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It's better to batch __ip_vs_cleanup to speedup ipvs
connections dismantle.
Signed-off-by: Haishuang Yan <yanhaishuang@cmss.chinamobile.com>
Acked-by: Julian Anastasov <ja@ssi.bg>
Signed-off-by: Simon Horman <horms@verge.net.au>
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Now that ports are dynamically listed in the fabric, there is no need
to provide a special helper to allocate the dsa_switch structure. This
will give more flexibility to drivers to embed this structure as they
wish in their private structure.
Signed-off-by: Vivien Didelot <vivien.didelot@gmail.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
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Allocate the struct dsa_port the first time it is accessed with
dsa_port_touch, and remove the static dsa_port array from the
dsa_switch structure.
Signed-off-by: Vivien Didelot <vivien.didelot@gmail.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
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Use the new ports list instead of iterating over switches and their
ports when setting up the default CPU port. Unassign it on teardown.
Now that we can iterate over multiple CPU ports, remove dst->cpu_dp.
At the same time, provide a better error message for CPU-less tree.
Signed-off-by: Vivien Didelot <vivien.didelot@gmail.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
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Use the new ports list instead of iterating over switches and their
ports when setting up the switches and their ports.
At the same time, provide setup states and messages for ports and
switches as it is done for the trees.
Signed-off-by: Vivien Didelot <vivien.didelot@gmail.com>
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
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Use the new ports list instead of accessing the dsa_switch array
of ports in the dsa_to_port helper.
Signed-off-by: Vivien Didelot <vivien.didelot@gmail.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
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Add a list of switch ports within the switch fabric. This will help the
lookup of a port inside the whole fabric, and it is the first step
towards supporting multiple CPU ports, before deprecating the usage of
the unique dst->cpu_dp pointer.
In preparation for a future allocation of the dsa_port structures,
return -ENOMEM in case no structure is returned, even though this
error cannot be reached yet.
Signed-off-by: Vivien Didelot <vivien.didelot@gmail.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
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Do not let the drivers access the ds->ports static array directly
while there is a dsa_to_port helper for this purpose.
At the same time, un-const this helper since the SJA1105 driver
assigns the priv member of the returned dsa_port structure.
Signed-off-by: Vivien Didelot <vivien.didelot@gmail.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
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Several cases of overlapping changes which were for the most
part trivially resolvable.
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next
Johannes Berg says:
====================
A few more small things, nothing really stands out:
* minstrel improvements from Felix
* a TX aggregation simplification
* some additional capabilities for hwsim
* minor cleanups & docs updates
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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There really is no need to make drivers call the
ieee80211_start_tx_ba_cb_irqsafe() function and then
schedule the worker if all we want is to set a bit.
Add a new return value (that was previously considered
invalid) to indicate that the driver is immediately
ready for the session, and make drivers use it. The
only drivers that remain different are the Intel ones
as they need to negotiate more with the firmware.
Link: https://lore.kernel.org/r/1570007543-I152912660131cbab2e5d80b4218238c20f8a06e5@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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During health reporter operations, driver might want to fill-up
the extack message, so propagate extack down to the health reporter ops.
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add a "going_away" indication to ISM devices and IB ports and
avoid creation of new connections on such disappearing devices.
And do not handle ISM events if ISM device is disappearing.
Signed-off-by: Ursula Braun <ubraun@linux.ibm.com>
Signed-off-by: Karsten Graul <kgraul@linux.ibm.com>
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
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This patch introduces separate locks for the split SMCD and SMCR
link group lists.
Signed-off-by: Ursula Braun <ubraun@linux.ibm.com>
Signed-off-by: Karsten Graul <kgraul@linux.ibm.com>
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
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Currently SMCD and SMCR link groups are maintained in one list.
To facilitate abnormal termination handling they are split into
a separate list for SMCR link groups and separate lists for SMCD
link groups per SMCD device.
Signed-off-by: Ursula Braun <ubraun@linux.ibm.com>
Signed-off-by: Karsten Graul <kgraul@linux.ibm.com>
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
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This patch is to add a new event SCTP_SEND_FAILED_EVENT described in
rfc6458#section-6.1.11. It's a update of SCTP_SEND_FAILED event:
struct sctp_sndrcvinfo ssf_info is replaced with
struct sctp_sndinfo ssfe_info in struct sctp_send_failed_event.
SCTP_SEND_FAILED is being deprecated, but we don't remove it in this
patch. Both are being processed in sctp_datamsg_destroy() when the
corresp event flag is set.
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Acked-by: Neil Horman <nhorman@tuxdriver.com>
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
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A helper sctp_ulpevent_nofity_peer_addr_change() will be extracted
to make peer_addr_change event and enqueue it, and the helper will
be called in sctp_assoc_add_peer() to send SCTP_ADDR_ADDED event.
This event is described in rfc6458#section-6.1.2:
SCTP_ADDR_ADDED: The address is now part of the association.
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Acked-by: Neil Horman <nhorman@tuxdriver.com>
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
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Use a single bit instead of boolean to remember if packet
was already decrypted.
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Simon Horman <simon.horman@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Store async_capable on a single bit instead of a full integer
to save space.
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Simon Horman <simon.horman@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Avoid unnecessary pointer chasing and calculations, callers already
have most of the state tls_device_decrypted() needs.
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>
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Consistent with how pskb_may_pull() also now does so.
Signed-off-by: David S. Miller <davem@davemloft.net>
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genl_family_attrbuf() function is no longer used by anyone, so remove it.
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Extend the dumpit info struct for attrs. Instead of existing attribute
validation do parse them and save in the info struct. Caller can benefit
from this and does not have to do parse itself. In order to properly
free attrs, genl_family pointer needs to be added to dumpit info struct
as well.
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Currently the cb->data is taken by ops during non-parallel dumping.
Introduce a new structure genl_dumpit_info and store the ops there.
Distribute the info to both non-parallel and parallel dumping. Also add
a helper genl_dumpit_info() to easily get the info structure in the
dumpit callback from cb.
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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