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This patch implements ice_start_xmit (the handler for ndo_start_xmit) and
related functions. ice_start_xmit ultimately calls ice_tx_map, where the
Tx descriptor is built and posted to the hardware by bumping the ring tail.
This patch also implements ice_napi_poll, which is invoked when there's an
interrupt on the VSI's queues. The interrupt can be due to either a
completed Tx or an Rx event. In case of a completed Tx/Rx event, resources
are reclaimed. Additionally, in case of an Rx event, the skb is fetched
and passed up to the network stack.
Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com>
Tested-by: Tony Brelinski <tonyx.brelinski@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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This patch configures the VSIs to be able to send and receive
packets by doing the following:
1) Initialize flexible parser to extract and include certain
fields in the Rx descriptor.
2) Add Tx queues by programming the Tx queue context (implemented in
ice_vsi_cfg_txqs). Note that adding the queues also enables (starts)
the queues.
3) Add Rx queues by programming Rx queue context (implemented in
ice_vsi_cfg_rxqs). Note that this only adds queues but doesn't start
them. The rings will be started by calling ice_vsi_start_rx_rings on
interface up.
4) Configure interrupts for VSI queues.
5) Implement ice_open and ice_stop.
Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com>
Tested-by: Tony Brelinski <tonyx.brelinski@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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A VSI needs traffic directed towards it. This is done by programming
filter rules on the switch (embedded vSwitch) element in the hardware,
which connects the VSI to the ingress/egress port.
This patch introduces data structures and functions necessary to add
remove or update switch rules on the switch element. This is a pretty low
level function that is generic enough to add a whole range of filters.
This patch also introduces two top level functions ice_add_mac and
ice_remove mac which through a series of intermediate helper functions
eventually call ice_aq_sw_rules to add/delete simple MAC based filters.
It's worth noting that one invocation of ice_add_mac/ice_remove_mac
is capable of adding/deleting multiple MAC filters.
Also worth noting is the fact that the driver maintains a list of currently
active filters, so every filter addition/removal causes an update to this
list. This is done for a couple of reasons:
1) If two VSIs try to add the same filters, we need to detect it and do
things a little differently (i.e. use VSI lists, described below) as
the same filter can't be added more than once.
2) In the event of a hardware reset we can simply walk through this list
and restore the filters.
VSI Lists:
In a multi-VSI situation, it's possible that multiple VSIs want to add the
same filter rule. For example, two VSIs that want to receive broadcast
traffic would both add a filter for destination MAC ff:ff:ff:ff:ff:ff.
This can become cumbersome to maintain and so this is handled using a
VSI list.
A VSI list is resource that can be allocated in the hardware using the
ice_aq_alloc_free_res admin queue command. Simply put, a VSI list can
be thought of as a subscription list containing a set of VSIs to which
the packet should be forwarded, should the filter match.
For example, if VSI-0 has already added a broadcast filter, and VSI-1
wants to do the same thing, the filter creation flow will detect this,
allocate a VSI list and update the switch rule so that broadcast traffic
will now be forwarded to the VSI list which contains VSI-0 and VSI-1.
Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com>
Tested-by: Tony Brelinski <tonyx.brelinski@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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This patch introduces data structures and functions to alloc/free
VSIs. The driver represents a VSI using the ice_vsi structure.
Some noteworthy points about VSI allocation:
1) A VSI is allocated in the firmware using the "add VSI" admin queue
command (implemented as ice_aq_add_vsi). The firmware returns an
identifier for the allocated VSI. The VSI context is used to program
certain aspects (loopback, queue map, etc.) of the VSI's configuration.
2) A VSI is deleted using the "free VSI" admin queue command (implemented
as ice_aq_free_vsi).
3) The driver represents a VSI using struct ice_vsi. This is allocated
and initialized as part of the ice_vsi_alloc flow, and deallocated
as part of the ice_vsi_delete flow.
4) Once the VSI is created, a netdev is allocated and associated with it.
The VSI's ring and vector related data structures are also allocated
and initialized.
5) A VSI's queues can either be contiguous or scattered. To do this, the
driver maintains a bitmap (vsi->avail_txqs) which is kept in sync with
the firmware's VSI queue allocation imap. If the VSI can't get a
contiguous queue allocation, it will fallback to scatter. This is
implemented in ice_vsi_get_qs which is called as part of the VSI setup
flow. In the release flow, the VSI's queues are released and the bitmap
is updated to reflect this by ice_vsi_put_qs.
CC: Shannon Nelson <shannon.nelson@oracle.com>
Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com>
Acked-by: Shannon Nelson <shannon.nelson@oracle.com>
Tested-by: Tony Brelinski <tonyx.brelinski@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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This patch continues the initialization flow as follows:
1) Allocate and initialize necessary fields (like vsi, num_alloc_vsi,
irq_tracker, etc) in the ice_pf instance.
2) Setup the miscellaneous interrupt handler. This also known as the
"other interrupt causes" (OIC) handler and is used to handle non
hotpath interrupts (like control queue events, link events,
exceptions, etc.
3) Implement a background task to process admin queue receive (ARQ)
events received by the driver.
CC: Shannon Nelson <shannon.nelson@oracle.com>
Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com>
Acked-by: Shannon Nelson <shannon.nelson@oracle.com>
Tested-by: Tony Brelinski <tonyx.brelinski@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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This patch adds code to continue the initialization flow as follows:
1) Get PHY/link information and store it
2) Get default scheduler tree topology and store it
3) Get the MAC address associated with the port and store it
Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com>
Tested-by: Tony Brelinski <tonyx.brelinski@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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This patch adds to the initialization flow by getting switch
configuration, scheduler configuration and device capabilities.
Switch configuration:
On boot, an L2 switch element is created in the firmware per physical
function. Each physical function is also mapped to a port, to which its
switch element is connected. In other words, this switch can be visualized
as an embedded vSwitch that can connect a physical function's virtual
station interfaces (VSIs) to the egress/ingress port. Egress/ingress
filters will be eventually created and applied on this switch element.
As part of the initialization flow, the driver gets configuration data
from this switch element and stores it.
Scheduler configuration:
The Tx scheduler is a subsystem responsible for setting and enforcing QoS.
As part of the initialization flow, the driver queries and stores the
default scheduler configuration for the given physical function.
Device capabilities:
As part of initialization, the driver has to determine what the device is
capable of (ex. max queues, VSIs, etc). This information is obtained from
the firmware and stored by the driver.
CC: Shannon Nelson <shannon.nelson@oracle.com>
Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com>
Acked-by: Shannon Nelson <shannon.nelson@oracle.com>
Tested-by: Tony Brelinski <tonyx.brelinski@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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This patch implements multiple pieces of the initialization flow
as follows:
1) A reset is issued to ensure a clean device state, followed
by initialization of admin queue interface.
2) Once the admin queue interface is up, clear the PF config
and transition the device to non-PXE mode.
3) Get the NVM configuration stored in the device's non-volatile
memory (NVM) using ice_init_nvm.
CC: Shannon Nelson <shannon.nelson@oracle.com>
Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com>
Acked-by: Shannon Nelson <shannon.nelson@oracle.com>
Tested-by: Tony Brelinski <tonyx.brelinski@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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A control queue is a hardware interface which is used by the driver
to interact with other subsystems (like firmware, PHY, etc.). It is
implemented as a producer-consumer ring. More specifically, an
"admin queue" is a type of control queue used to interact with the
firmware.
This patch introduces data structures and functions to initialize
and teardown control/admin queues. Once the admin queue is initialized,
the driver uses it to get the firmware version.
Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com>
Tested-by: Tony Brelinski <tonyx.brelinski@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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This patch adds a basic driver framework for the Intel(R) E800 Ethernet
Series of network devices. There is no functionality right now other than
the ability to load.
Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com>
Tested-by: Tony Brelinski <tonyx.brelinski@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers-next
Kalle Valo says:
====================
wireless-drivers-next patches for 4.17
The biggest changes are the bluetooth related patches to the rsi
driver. It adds a new bluetooth driver which communicates directly
with the wireless driver and the interface is defined in
include/net/rsi_91x.h.
Major changes:
wl1251
* read the MAC address from the NVS file
rtlwifi
* enable mac80211 fast-tx support
mt76
* add capability to select tx/rx antennas
mt7601
* let mac80211 validate rx CCMP Packet Number (PN)
rsi
* bluetooth: add new btrsi driver
* btcoex support with the new btrsi driver
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Fixes: 25b0b9c4e835 ("tipc: handle collisions of 32-bit node address hash values")
Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
Acked-by: Jon Maloy jon.maloy@ericsson.com
Signed-off-by: David S. Miller <davem@davemloft.net>
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There is an && vs || typo here, which potentially leads to a NULL
dereference.
Fixes: e9e1e97884b7 ("ibmvnic: Update TX pool cleaning routine")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add support for new 32MB and 64MB ISSI (Integrated Silicon
Solution, Inc.) FLASH parts.
Signed-off-by: Casey Leedom <leedom@chelsio.com>
Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Depend on the firmware sending us link status changes,
rather than assuming that the link goes down upon L1
configuration.
Signed-off-by: Casey Leedom <leedom@chelsio.com>
Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Copy vlan_id to get it displayed in vf info.
Signed-off-by: Arjun Vynipadath <arjun@chelsio.com>
Signed-off-by: Casey Leedom <leedom@chelsio.com>
Signed-off-by: Ganesh Goudhar <ganeshgr@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When NetworkManager is enabled, there are chances that interface up
is called even before probe completes. This means we have not yet
allocated the FW sge queues, hence rest of ingress queue allocation
wont be proper. Fix this by calling setup_fw_sge_queues() before
register_netdev().
Fixes: 0fbc81b3ad51 ('chcr/cxgb4i/cxgbit/RDMA/cxgb4: Allocate resources dynamically for all cxgb4 ULD's')
Signed-off-by: Arjun Vynipadath <arjun@chelsio.com>
Signed-off-by: Casey Leedom <leedom@chelsio.com>
Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Florian Fainelli says:
====================
net: broadcom: Adaptive interrupt coalescing
This patch series adds adaptive interrupt coalescing for the Gigabit Ethernet
drivers SYSTEMPORT and GENET.
This really helps lower the interrupt count and system load, as measured by
vmstat for a Gigabit TCP RX session:
SYSTEMPORT:
without:
1 0 0 192188 0 25472 0 0 0 0 122100 38870 1 42 57 0 0
[ ID] Interval Transfer Bandwidth
[ 4] 0.0-10.0 sec 1.03 GBytes 884 Mbits/sec
with:
1 0 0 192288 0 25468 0 0 0 0 58806 44401 0 100 0 0 0
[ 5] 0.0-10.0 sec 1.04 GBytes 888 Mbits/sec
GENET:
without:
1 0 0 1170404 0 25420 0 0 0 0 130785 63402 2 85 12 0 0
[ ID] Interval Transfer Bandwidth
[ 4] 0.0-10.0 sec 1.04 GBytes 888 Mbits/sec
with:
1 0 0 1170560 0 25420 0 0 0 0 50610 48477 0 100 0 0 0
[ 5] 0.0-10.0 sec 1.05 GBytes 899 Mbits/sec
Please look at the implementation and let me know if you see any problems, this
was largely inspired by bnxt_en.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Unlike the moder modern SYSTEMPORT hardware, we do not have a
configurable TDMA timeout, which limits us to implement adaptive RX
interrupt coalescing only. We have each of our RX rings implement a
bcmgenet_net_dim structure which holds an interrupt counter, number of
packets, bytes, and a container for a net_dim instance.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Implement support for adaptive RX and TX interrupt coalescing using
net_dim. We have each of our TX ring and our single RX ring implement a
bcm_sysport_net_dim structure which holds an interrupt counter, number
of packets, bytes, and a container for a net_dim instance.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Andrew Lunn says:
====================
Fixes to allow mv88e6xxx module to be reloaded
As reported by Uwe Kleine-König, the interrupt trigger is first
configured by DT and then reconfigured to edge. This results in a
failure on EPROBE_DEFER, or if the module is unloaded and reloaded.
A second crash happens on module reload due to a missing call to the
common IRQ free code when using polled interrupts.
With these fixes in place, it becomes possible to load and unload the
kernel modules a few times without it crashing.
v2: Fix the ü in Künig a couple of times
v3: But the ü should be an ö!
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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When free'ing the polled IRQs, call the common irq free code.
Otherwise the interrupts are left registered, and when we come to load
the driver a second time, we get an Opps.
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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By calling request_threaded_irq() with the flag IRQF_TRIGGER_FALLING
we override the trigger mode provided in device tree. And the
interrupt is actually active low, which is what all the current device
tree descriptions use.
Suggested-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Tested-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Added extra test cases for control actions (reclassify, pipe etc.),
cookies, max index value and police args sanity check.
Signed-off-by: Roman Mashak <mrv@mojatatu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Haiyang Zhang says:
====================
hv_netvsc: Fix/improve RX path error handling
Fix the status code returned to the host. Also add range
check for rx packet offset and length.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch adds range checking for rx packet offset and length.
It may only happen if there is a host side bug.
Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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As defined in hyperv_net.h, the NVSP_STAT_SUCCESS is one not zero.
Some functions returns 0 when it actually means NVSP_STAT_SUCCESS.
This patch fixes them.
In netvsc_receive(), it puts the last RNDIS packet's receive status
for all packets in a vmxferpage which may contain multiple RNDIS
packets.
This patch puts NVSP_STAT_FAIL in the receive completion if one of
the packets in a vmxferpage fails.
Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Yonghong Song says:
====================
net: permit skb_segment on head_frag frag_list skb
One of our in-house projects, bpf-based NAT, hits a kernel BUG_ON at
function skb_segment(), line 3667. The bpf program attaches to
clsact ingress, calls bpf_skb_change_proto to change protocol
from ipv4 to ipv6 or from ipv6 to ipv4, and then calls bpf_redirect
to send the changed packet out.
...
3665 while (pos < offset + len) {
3666 if (i >= nfrags) {
3667 BUG_ON(skb_headlen(list_skb));
...
The triggering input skb has the following properties:
list_skb = skb->frag_list;
skb->nfrags != NULL && skb_headlen(list_skb) != 0
and skb_segment() is not able to handle a frag_list skb
if its headlen (list_skb->len - list_skb->data_len) is not 0.
Patch #1 provides a simple solution to avoid BUG_ON. If
list_skb->head_frag is true, its page-backed frag will
be processed before the list_skb->frags.
Patch #2 provides a test case in test_bpf module which
constructs a skb and calls skb_segment() directly. The test
case is able to trigger the BUG_ON without Patch #1.
The patch has been tested in the following setup:
ipv6_host <-> nat_server <-> ipv4_host
where nat_server has a bpf program doing ipv4<->ipv6
translation and forwarding through clsact hook
bpf_skb_change_proto.
Changelog:
v5 -> v6:
. Added back missed BUG_ON(!nfrags) for zero
skb_headlen(skb) case, plus a couple of
cosmetic changes, from Alexander.
v4 -> v5:
. Replace local variable head_frag with
a static inline function skb_head_frag_to_page_desc
which gets the head_frag on-demand. This makes
code more readable and also does not increase
the stack size, from Alexander.
. Remove the "if(nfrags)" guard for skb_orphan_frags
and skb_zerocopy_clone as I found that they can
handle zero-frag skb (with non-zero skb_headlen(skb))
properly.
. Properly release segment list from skb_segment()
in the test, from Eric.
v3 -> v4:
. Remove dynamic memory allocation and use rewinding
for both index and frag to remove one branch in fast path,
from Alexander.
. Fix a bunch of issues in test_bpf skb_segment() test,
including proper way to allocate skb, proper function
argument for skb_add_rx_frag and not freeint skb, etc.,
from Eric.
v2 -> v3:
. Use starting frag index -1 (instead of 0) to
special process head_frag before other frags in the skb,
from Alexander Duyck.
v1 -> v2:
. Removed never-hit BUG_ON, spotted by Linyu Yuan.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Without the previous commit,
"modprobe test_bpf" will have the following errors:
...
[ 98.149165] ------------[ cut here ]------------
[ 98.159362] kernel BUG at net/core/skbuff.c:3667!
[ 98.169756] invalid opcode: 0000 [#1] SMP PTI
[ 98.179370] Modules linked in:
[ 98.179371] test_bpf(+)
...
which triggers the bug the previous commit intends to fix.
The skbs are constructed to mimic what mlx5 may generate.
The packet size/header may not mimic real cases in production. But
the processing flow is similar.
Signed-off-by: Yonghong Song <yhs@fb.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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One of our in-house projects, bpf-based NAT, hits a kernel BUG_ON at
function skb_segment(), line 3667. The bpf program attaches to
clsact ingress, calls bpf_skb_change_proto to change protocol
from ipv4 to ipv6 or from ipv6 to ipv4, and then calls bpf_redirect
to send the changed packet out.
3472 struct sk_buff *skb_segment(struct sk_buff *head_skb,
3473 netdev_features_t features)
3474 {
3475 struct sk_buff *segs = NULL;
3476 struct sk_buff *tail = NULL;
...
3665 while (pos < offset + len) {
3666 if (i >= nfrags) {
3667 BUG_ON(skb_headlen(list_skb));
3668
3669 i = 0;
3670 nfrags = skb_shinfo(list_skb)->nr_frags;
3671 frag = skb_shinfo(list_skb)->frags;
3672 frag_skb = list_skb;
...
call stack:
...
#1 [ffff883ffef03558] __crash_kexec at ffffffff8110c525
#2 [ffff883ffef03620] crash_kexec at ffffffff8110d5cc
#3 [ffff883ffef03640] oops_end at ffffffff8101d7e7
#4 [ffff883ffef03668] die at ffffffff8101deb2
#5 [ffff883ffef03698] do_trap at ffffffff8101a700
#6 [ffff883ffef036e8] do_error_trap at ffffffff8101abfe
#7 [ffff883ffef037a0] do_invalid_op at ffffffff8101acd0
#8 [ffff883ffef037b0] invalid_op at ffffffff81a00bab
[exception RIP: skb_segment+3044]
RIP: ffffffff817e4dd4 RSP: ffff883ffef03860 RFLAGS: 00010216
RAX: 0000000000002bf6 RBX: ffff883feb7aaa00 RCX: 0000000000000011
RDX: ffff883fb87910c0 RSI: 0000000000000011 RDI: ffff883feb7ab500
RBP: ffff883ffef03928 R8: 0000000000002ce2 R9: 00000000000027da
R10: 000001ea00000000 R11: 0000000000002d82 R12: ffff883f90a1ee80
R13: ffff883fb8791120 R14: ffff883feb7abc00 R15: 0000000000002ce2
ORIG_RAX: ffffffffffffffff CS: 0010 SS: 0018
#9 [ffff883ffef03930] tcp_gso_segment at ffffffff818713e7
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/next-queue
Jeff Kirsher says:
====================
10GbE Intel Wired LAN Driver Updates 2018-03-23
This series contains updates to ixgbe and ixgbevf only.
Paul adds status register reads to reduce a potential race condition
where registers can read 0xFFFFFFFF during a PCI reset, which in turn
causes the driver to remove the adapter. Then fixes an assignment
operation with an "OR" operation.
Shannon Nelson provides several IPsec offload cleanups to ixgbe, as well as a
patch to enable TSO with IPsec offload.
Tony provides the much anticipated XDP support for ixgbevf. Currently,
pass, drop and XDP_TX actions are supported, as well as meta data and
stats reporting.
Björn Töpel tweaks the page counting for XDP_REDIRECT, since a page can
have its reference count decreased via the xdp_do_redirect() call.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Intiyaz Basha says:
====================
liquidio: Tx queue cleanup
Moved some common function to octeon_network.h
Removed some unwanted functions and checks.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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For consistency renaming txqs_start to start_txqs
Signed-off-by: Intiyaz Basha <intiyaz.basha@cavium.com>
Acked-by: Derek Chickles <derek.chickles@cavium.com>
Signed-off-by: Felix Manlunas <felix.manlunas@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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For consistency renaming txqs_stop to stop_txqs
Signed-off-by: Intiyaz Basha <intiyaz.basha@cavium.com>
Acked-by: Derek Chickles <derek.chickles@cavium.com>
Signed-off-by: Felix Manlunas <felix.manlunas@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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For consistency renaming txqs_wake to wake_txqs
Signed-off-by: Intiyaz Basha <intiyaz.basha@cavium.com>
Acked-by: Derek Chickles <derek.chickles@cavium.com>
Signed-off-by: Felix Manlunas <felix.manlunas@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Using skb_iq function for deriving queue from skb
Signed-off-by: Intiyaz Basha <intiyaz.basha@cavium.com>
Acked-by: Derek Chickles <derek.chickles@cavium.com>
Signed-off-by: Felix Manlunas <felix.manlunas@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Removing one line function wake_q
Signed-off-by: Intiyaz Basha <intiyaz.basha@cavium.com>
Acked-by: Derek Chickles <derek.chickles@cavium.com>
Signed-off-by: Felix Manlunas <felix.manlunas@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Removing one line function stop_q
Signed-off-by: Intiyaz Basha <intiyaz.basha@cavium.com>
Acked-by: Derek Chickles <derek.chickles@cavium.com>
Signed-off-by: Felix Manlunas <felix.manlunas@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Removing checks for netif_is_multiqueue.
Configuring single queue will be a multiqueue netdev with one queues.
Signed-off-by: Intiyaz Basha <intiyaz.basha@cavium.com>
Acked-by: Derek Chickles <derek.chickles@cavium.com>
Signed-off-by: Felix Manlunas <felix.manlunas@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Removing start_txq function from VF and PF files
Signed-off-by: Intiyaz Basha <intiyaz.basha@cavium.com>
Acked-by: Derek Chickles <derek.chickles@cavium.com>
Signed-off-by: Felix Manlunas <felix.manlunas@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Removing one line function stop_txq
Signed-off-by: Intiyaz Basha <intiyaz.basha@cavium.com>
Acked-by: Derek Chickles <derek.chickles@cavium.com>
Signed-off-by: Felix Manlunas <felix.manlunas@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Moving common function skb_iq to to octeon_network.h
Signed-off-by: Intiyaz Basha <intiyaz.basha@cavium.com>
Acked-by: Derek Chickles <derek.chickles@cavium.com>
Signed-off-by: Felix Manlunas <felix.manlunas@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Moving common function txqs_start to octeon_network.h
Signed-off-by: Intiyaz Basha <intiyaz.basha@cavium.com>
Acked-by: Derek Chickles <derek.chickles@cavium.com>
Signed-off-by: Felix Manlunas <felix.manlunas@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Moving common function txqs_wake to octeon_network.h
Signed-off-by: Intiyaz Basha <intiyaz.basha@cavium.com>
Acked-by: Derek Chickles <derek.chickles@cavium.com>
Signed-off-by: Felix Manlunas <felix.manlunas@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Moving common function txqs_stop to octeon_network.h
Signed-off-by: Intiyaz Basha <intiyaz.basha@cavium.com>
Acked-by: Derek Chickles <derek.chickles@cavium.com>
Signed-off-by: Felix Manlunas <felix.manlunas@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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use u16 in place of __be16 to suppress the following sparse warnings:
net/sched/act_vlan.c:150:26: warning: incorrect type in assignment (different base types)
net/sched/act_vlan.c:150:26: expected restricted __be16 [usertype] push_vid
net/sched/act_vlan.c:150:26: got unsigned short
net/sched/act_vlan.c:151:21: warning: restricted __be16 degrades to integer
net/sched/act_vlan.c:208:26: warning: incorrect type in assignment (different base types)
net/sched/act_vlan.c:208:26: expected unsigned short [unsigned] [usertype] tcfv_push_vid
net/sched/act_vlan.c:208:26: got restricted __be16 [usertype] push_vid
Signed-off-by: Davide Caratti <dcaratti@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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tcf_idr_cleanup() is no more used, so remove it.
Suggested-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: Davide Caratti <dcaratti@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In net commit 8175f7c4736f ("mlxsw: spectrum: Prevent duplicate
mirrors") we prevented the user from mirroring more than once from a
single binding point (port-direction pair).
The fix was essentially reverted in a merge conflict resolution when net
was merged into net-next. Restore it.
Fixes: 03fe2debbb27 ("Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net")
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>
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The current page counting scheme assumes that the reference count
cannot decrease until the received frame is sent to the upper layers
of the networking stack. This assumption does not hold for the
XDP_REDIRECT action, since a page (pointed out by xdp_buff) can have
its reference count decreased via the xdp_do_redirect call.
To work around that, we now start off by a large page count and then
don't allow a refcount less than two.
Signed-off-by: Björn Töpel <bjorn.topel@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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XDP stats are included in TX stats, however, they are not
reported in TX queue stats since they are setup on different
queues. Add reporting for XDP queue stats to provide
consistency between the total stats and per queue stats.
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Acked-by: John Fastabend <john.fastabend@gmail.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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