Commit Graph

843210 Commits

Author SHA1 Message Date
Vedang Patel
4cfd5779bd taprio: Add support for txtime-assist mode
Currently, we are seeing non-critical packets being transmitted outside of
their timeslice. We can confirm that the packets are being dequeued at the
right time. So, the delay is induced in the hardware side.  The most likely
reason is the hardware queues are starving the lower priority queues.

In order to improve the performance of taprio, we will be making use of the
txtime feature provided by the ETF qdisc. For all the packets which do not
have the SO_TXTIME option set, taprio will set the transmit timestamp (set
in skb->tstamp) in this mode. TAPrio Qdisc will ensure that the transmit
time for the packet is set to when the gate is open. If SO_TXTIME is set,
the TAPrio qdisc will validate whether the timestamp (in skb->tstamp)
occurs when the gate corresponding to skb's traffic class is open.

Following two parameters added to support this mode:
- flags: used to enable txtime-assist mode. Will also be used to enable
  other modes (like hardware offloading) later.
- txtime-delay: This indicates the minimum time it will take for the packet
  to hit the wire. This is useful in determining whether we can transmit
the packet in the remaining time if the gate corresponding to the packet is
currently open.

An example configuration for enabling txtime-assist:

tc qdisc replace dev eth0 parent root handle 100 taprio \\
      num_tc 3 \\
      map 2 2 1 0 2 2 2 2 2 2 2 2 2 2 2 2 \\
      queues 1@0 1@0 1@0 \\
      base-time 1558653424279842568 \\
      sched-entry S 01 300000 \\
      sched-entry S 02 300000 \\
      sched-entry S 04 400000 \\
      flags 0x1 \\
      txtime-delay 40000 \\
      clockid CLOCK_TAI

tc qdisc replace dev $IFACE parent 100:1 etf skip_sock_check \\
      offload delta 200000 clockid CLOCK_TAI

Note that all the traffic classes are mapped to the same queue.  This is
only possible in taprio when txtime-assist is enabled. Also, note that the
ETF Qdisc is enabled with offload mode set.

In this mode, if the packet's traffic class is open and the complete packet
can be transmitted, taprio will try to transmit the packet immediately.
This will be done by setting skb->tstamp to current_time + the time delta
indicated in the txtime-delay parameter. This parameter indicates the time
taken (in software) for packet to reach the network adapter.

If the packet cannot be transmitted in the current interval or if the
packet's traffic is not currently transmitting, the skb->tstamp is set to
the next available timestamp value. This is tracked in the next_launchtime
parameter in the struct sched_entry.

The behaviour w.r.t admin and oper schedules is not changed from what is
present in software mode.

The transmit time is already known in advance. So, we do not need the HR
timers to advance the schedule and wakeup the dequeue side of taprio.  So,
HR timer won't be run when this mode is enabled.

Signed-off-by: Vedang Patel <vedang.patel@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-06-28 14:45:34 -07:00
Vedang Patel
566af331b5 taprio: Remove inline directive
Remove inline directive from length_to_duration(). We will let the compiler
make the decisions.

Signed-off-by: Vedang Patel <vedang.patel@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-06-28 14:45:34 -07:00
Vedang Patel
037be03740 taprio: calculate cycle_time when schedule is installed
cycle time for a particular schedule is calculated only when it is first
installed. So, it makes sense to just calculate it once right after the
'cycle_time' parameter has been parsed and store it in cycle_time.

Signed-off-by: Vedang Patel <vedang.patel@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-06-28 14:45:33 -07:00
Vedang Patel
d14d2b2068 etf: Add skip_sock_check
Currently, etf expects a socket with SO_TXTIME option set for each packet
it encounters. So, it will drop all other packets. But, in the future
commits we are planning to add functionality where tstamp value will be set
by another qdisc. Also, some packets which are generated from within the
kernel (e.g. ICMP packets) do not have any socket associated with them.

So, this commit adds support for skip_sock_check. When this option is set,
etf will skip checking for a socket and other associated options for all
skbs.

Signed-off-by: Vedang Patel <vedang.patel@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-06-28 14:45:33 -07:00
Vedang Patel
9903c8dc73 etf: Don't use BIT() in UAPI headers.
The BIT() macro isn't exported as part of the UAPI interface. So, the
compile-test to ensure they are self contained fails. So, use _BITUL()
instead.

Signed-off-by: Vedang Patel <vedang.patel@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-06-28 14:45:33 -07:00
Vedang Patel
1e08511d5d igb: clear out skb->tstamp after reading the txtime
If a packet which is utilizing the launchtime feature (via SO_TXTIME socket
option) also requests the hardware transmit timestamp, the hardware
timestamp is not delivered to the userspace. This is because the value in
skb->tstamp is mistaken as the software timestamp.

Applications, like ptp4l, request a hardware timestamp by setting the
SOF_TIMESTAMPING_TX_HARDWARE socket option. Whenever a new timestamp is
detected by the driver (this work is done in igb_ptp_tx_work() which calls
igb_ptp_tx_hwtstamps() in igb_ptp.c[1]), it will queue the timestamp in the
ERR_QUEUE for the userspace to read. When the userspace is ready, it will
issue a recvmsg() call to collect this timestamp.  The problem is in this
recvmsg() call. If the skb->tstamp is not cleared out, it will be
interpreted as a software timestamp and the hardware tx timestamp will not
be successfully sent to the userspace. Look at skb_is_swtx_tstamp() and the
callee function __sock_recv_timestamp() in net/socket.c for more details.

Signed-off-by: Vedang Patel <vedang.patel@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-06-28 14:45:33 -07:00
David S. Miller
8747d82d3c Merge branch 'mirred-recurse'
John Hurley says:

====================
Track recursive calls in TC act_mirred

These patches aim to prevent act_mirred causing stack overflow events from
recursively calling packet xmit or receive functions. Such events can
occur with poor TC configuration that causes packets to travel in loops
within the system.

Florian Westphal advises that a recursion crash and packets looping are
separate issues and should be treated as such. David Miller futher points
out that pcpu counters cannot track the precise skb context required to
detect loops. Hence these patches are not aimed at detecting packet loops,
rather, preventing stack flows arising from such loops.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2019-06-28 14:36:25 -07:00
John Hurley
e2ca070f89 net: sched: protect against stack overflow in TC act_mirred
TC hooks allow the application of filters and actions to packets at both
ingress and egress of the network stack. It is possible, with poor
configuration, that this can produce loops whereby an ingress hook calls
a mirred egress action that has an egress hook that redirects back to
the first ingress etc. The TC core classifier protects against loops when
doing reclassifies but there is no protection against a packet looping
between multiple hooks and recursively calling act_mirred. This can lead
to stack overflow panics.

Add a per CPU counter to act_mirred that is incremented for each recursive
call of the action function when processing a packet. If a limit is passed
then the packet is dropped and CPU counter reset.

Note that this patch does not protect against loops in TC datapaths. Its
aim is to prevent stack overflow kernel panics that can be a consequence
of such loops.

Signed-off-by: John Hurley <john.hurley@netronome.com>
Reviewed-by: Simon Horman <simon.horman@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-06-28 14:36:25 -07:00
John Hurley
720f22fed8 net: sched: refactor reinsert action
The TC_ACT_REINSERT return type was added as an in-kernel only option to
allow a packet ingress or egress redirect. This is used to avoid
unnecessary skb clones in situations where they are not required. If a TC
hook returns this code then the packet is 'reinserted' and no skb consume
is carried out as no clone took place.

This return type is only used in act_mirred. Rather than have the reinsert
called from the main datapath, call it directly in act_mirred. Instead of
returning TC_ACT_REINSERT, change the type to the new TC_ACT_CONSUMED
which tells the caller that the packet has been stolen by another process
and that no consume call is required.

Moving all redirect calls to the act_mirred code is in preparation for
tracking recursion created by act_mirred.

Signed-off-by: John Hurley <john.hurley@netronome.com>
Reviewed-by: Simon Horman <simon.horman@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-06-28 14:36:25 -07:00
Christian Brauner
5cdda5f1d6 ipv4: enable route flushing in network namespaces
Tools such as vpnc try to flush routes when run inside network
namespaces by writing 1 into /proc/sys/net/ipv4/route/flush. This
currently does not work because flush is not enabled in non-initial
network namespaces.
Since routes are per network namespace it is safe to enable
/proc/sys/net/ipv4/route/flush in there.

Link: https://github.com/lxc/lxd/issues/4257
Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-06-28 14:34:28 -07:00
David S. Miller
65dc5416d4 This feature/cleanup patchset includes the following patches:
- bump version strings, by Simon Wunderlich
 
  - fix includes for _MAX constants, atomic functions and fwdecls,
    by Sven Eckelmann (3 patches)
 
  - shorten multicast tt/tvlv worker spinlock section, by Linus Luessing
 
  - routeable multicast preparations: implement MAC multicast filtering,
    by Linus Luessing (2 patches, David Millers comments integrated)
 
  - remove return value checks for debugfs_create, by Greg Kroah-Hartman
 
  - add routable multicast optimizations, by Linus Luessing (2 patches)
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Merge tag 'batadv-next-for-davem-20190627v2' of git://git.open-mesh.org/linux-merge

Simon Wunderlich says:

====================
This feature/cleanup patchset includes the following patches:

 - bump version strings, by Simon Wunderlich

 - fix includes for _MAX constants, atomic functions and fwdecls,
   by Sven Eckelmann (3 patches)

 - shorten multicast tt/tvlv worker spinlock section, by Linus Luessing

 - routeable multicast preparations: implement MAC multicast filtering,
   by Linus Luessing (2 patches, David Millers comments integrated)

 - remove return value checks for debugfs_create, by Greg Kroah-Hartman

 - add routable multicast optimizations, by Linus Luessing (2 patches)
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2019-06-28 09:48:24 -07:00
David S. Miller
fcd71efd5e Merge branch 'hns3-next'
Huazhong Tan says:

====================
net: hns3: some code optimizations & cleanups & bugfixes

[patch 01/12] fixes a TX timeout issue.

[patch 02/12 - 04/12] adds some patch related to TM module.

[patch 05/12] fixes a compile warning.

[patch 06/12] adds Asym Pause support for autoneg

[patch 07/12] optimizes the error handler for VF reset.

[patch 08/12] deals with the empty interrupt case.

[patch 09/12 - 12/12] adds some cleanups & optimizations.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2019-06-28 09:39:50 -07:00
Peng Li
82c8ae6e83 net: hns3: optimize the CSQ cmd error handling
If CMDQ ring is full, hclge_cmd_send may return directly, but IMP still
working and HW pointer changed, SW ring pointer do not match the HW
pointer. This patch update the SW pointer every time when the space is
full, so it can work normally next time if IMP and HW still working.

Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-06-28 09:39:49 -07:00
Yunsheng Lin
289f81258e net: hns3: remove RXD_VLD check in hns3_handle_bdinfo
The HNS3_RXD_VLD_B bit has already been checked in hns3_add_frag
or hns3_handle_rx_bd before calling hns3_handle_bdinfo, so when
hns3_handle_bdinfo is called, the HNS3_RXD_VLD_B bit is always
set, which makes the checking in hns3_handle_bdinfo unnecessary.

This patch removes the RXD_VLD_B checking in hns3_handle_bdinfo.

Signed-off-by: Yunsheng Lin <linyunsheng@huawei.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-06-28 09:39:49 -07:00
Jian Shen
53eb60c734 net: hns3: remove unused linkmode definition
This patch removes unused linkmode definition.

Signed-off-by: Jian Shen <shenjian15@huawei.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-06-28 09:39:49 -07:00
Yufeng Mo
8b55207932 net: hns3: fix a statistics issue about l3l4 checksum error
The frame column is based on rx_crc_errors and rx_frame_errors. So
l3l4 checksum error should not be counted by rx_crc_errors. Instead,
l3l4 checksum error should be counted in ifconfig error column.

Fixes: d3ec4ef669 ("net: hns3: refactor the statistics updating for netdev")
Signed-off-by: Yufeng Mo <moyufeng@huawei.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-06-28 09:39:49 -07:00
Huazhong Tan
9bc6ac918c net: hns3: handle empty unknown interrupt
Since some MSI-X interrupt's status may be cleared by hardware,
so when the driver receives the interrupt, reading
HCLGE_VECTOR0_PF_OTHER_INT_STS_REG register will get an empty
unknown interrupt. For this case, the irq handler should enable
vector0 interrupt. This patch also use dev_info() instead of
dev_dbg() in the hclge_check_event_cause(), since this information
will be useful for normal usage.

Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-06-28 09:39:49 -07:00
Huazhong Tan
bbe6540e7d net: hns3: re-schedule reset task while VF reset fail
The VF reset may fail for some probabilistic reasons,
such as wait for hardware reset timeout, wait for mailbox
response timeout, so this patch tries to re-schedule the
reset task when the number of reset failing is under
HCLGEVF_RESET_MAX_FAIL_CNT. This patch also add a function
hclgevf_reset_err_handle() to handle the reset failing.

Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-06-28 09:39:49 -07:00
Yonglong Liu
bc3781edce net: hns3: add Asym Pause support to fix autoneg problem
Local device and link partner config auto-negotiation on both,
local device config pause frame use as: rx on/tx off,
link partner config pause frame use as: rx off/tx on.

We except the result is:
Local device:
Autonegotiate:  on
RX:             on
TX:             off
RX negotiated:  on
TX negotiated:  off

Link partner:
Autonegotiate:  on
RX:             off
TX:             on
RX negotiated:  off
TX negotiated:  on

But actually, the result of Local device and link partner is both:
Autonegotiate:  on
RX:             off
TX:             off
RX negotiated:  off
TX negotiated:  off

The root cause is that the supported flag is has only Pause,
reference to the function genphy_config_advert():
static int genphy_config_advert(struct phy_device *phydev)
{
	...
	linkmode_and(phydev->advertising, phydev->advertising,
		     phydev->supported);
	...
}
The pause frame use of link partner is rx off/tx on, so its
advertising only set the bit Asym_Pause, and the supported is
only set the bit Pause, so the result of linkmode_and(), is
rx off/tx off.

This patch adds Asym_Pause to the supported flag to fix it.

Signed-off-by: Yonglong Liu <liuyonglong@huawei.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-06-28 09:39:49 -07:00
Yonglong Liu
18d219b783 net: hns3: fix a -Wformat-nonliteral compile warning
When setting -Wformat=2, there is a compiler warning like this:

hclge_main.c:xxx:x: warning: format not a string literal and no
format arguments [-Wformat-nonliteral]
strs[i].desc);
^~~~

This patch adds missing format parameter "%s" to snprintf() to
fix it.

Fixes: 46a3df9f97 ("Add HNS3 Acceleration Engine & Compatibility Layer Support")
Signed-off-by: Yonglong Liu <liuyonglong@huawei.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-06-28 09:39:49 -07:00
Yunsheng Lin
04f25edb48 net: hns3: add some error checking in hclge_tm module
When hdev->tx_sch_mode is HCLGE_FLAG_VNET_BASE_SCH_MODE, the
hclge_tm_schd_mode_vnet_base_cfg calls hclge_tm_pri_schd_mode_cfg
with vport->vport_id as pri_id, which is used as index for
hdev->tm_info.tc_info, it will cause out of bound access issue
if vport_id is equal to or larger than HNAE3_MAX_TC.

Also hardware only support maximum speed of HCLGE_ETHER_MAX_RATE.

So this patch adds two checks for above cases.

Fixes: 848440544b ("net: hns3: Add support of TX Scheduler & Shaper to HNS3 driver")
Signed-off-by: Yunsheng Lin <linyunsheng@huawei.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-06-28 09:39:49 -07:00
Yunsheng Lin
9e15be90b8 net: hns3: change SSU's buffer allocation according to UM
Currently when there is share buffer in the SSU(storage
switching unit), the low waterline for RX private buffer is
too low to keep the hardware running. Hardware may have
processed all the packet stored in the private buffer of the
low waterline before the new packet comes, because hardware
only tell the peer send packet again when the private buffer
is under the low waterline.

So this patch only allocate RX private buffer if there is
enough buffer according to hardware user manual.

This patch also reserve some buffer for reusing when TC num
is less than or equal to 2, and change PAUSE_TRANS_GAP &
HCLGE_NON_DCB_ADDITIONAL_BUF according to hardware user
manual.

Signed-off-by: Yunsheng Lin <linyunsheng@huawei.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-06-28 09:39:49 -07:00
Yunsheng Lin
ae179b2f05 net: hns3: enable DCB when TC num is one and pfc_en is non-zero
Currently when TC num is one, the DCB will be disabled no matter if
pfc_en is non-zero or not.

This patch enables the DCB if pfc_en is non-zero, even when TC num
is one.

Signed-off-by: Yunsheng Lin <linyunsheng@huawei.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-06-28 09:39:49 -07:00
Huazhong Tan
f96315f2f1 net: hns3: fix __QUEUE_STATE_STACK_XOFF not cleared issue
When change MTU or other operations, which just calling .reset_notify
to do HNAE3_DOWN_CLIENT and HNAE3_UP_CLIENT, then
the netdev_tx_reset_queue() in the hns3_clear_all_ring() will be
ignored. So the dev_watchdog() may misdiagnose a TX timeout.

This patch separates netdev_tx_reset_queue() from
hns3_clear_all_ring(), and unifies hns3_clear_all_ring() and
hns3_force_clear_all_ring into one, since they are doing
similar things.

Fixes: 3a30964a2e ("net: hns3: delay ring buffer clearing during reset")
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-06-28 09:39:49 -07:00
David S. Miller
5b18c705a5 Merge branch 'Better-PHYLINK-compliance-for-SJA1105-DSA'
Vladimir Oltean says:

====================
Better PHYLINK compliance for SJA1105 DSA

After discussing with Russell King, it appears this driver is making a
few confusions and not performing some checks for consistent operation.

Changes in v2:
- Removed redundant print in the phylink_validate callback (in 2/3).
====================

Acked-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-06-28 09:31:31 -07:00
Vladimir Oltean
9f971573d9 net: dsa: sja1105: Mark in-band AN modes not supported for PHYLINK
We need a better way to signal this, perhaps in phylink_validate, but
for now just print this error message as guidance for other people
looking at this driver's code while trying to rework PHYLINK.

Cc: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: Vladimir Oltean <olteanv@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-06-28 09:31:31 -07:00
Vladimir Oltean
39710229af net: dsa: sja1105: Check for PHY mode mismatches with what PHYLINK reports
PHYLINK being designed with PHYs in mind that can change MII protocol,
for correct operation it is necessary to ensure that the PHY interface
mode stays the same (otherwise clear the supported bit mask, as
required).

Because this is just a hypothetical situation for now, we don't bother
to check whether we could actually support the new PHY interface mode.
Actually we could modify the xMII table, reset the switch and send an
updated static configuration, but adding that would just be dead code.

Cc: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: Vladimir Oltean <olteanv@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-06-28 09:31:31 -07:00
Vladimir Oltean
a979a0ab36 net: dsa: sja1105: Don't check state->link in phylink_mac_config
It has been pointed out that PHYLINK can call mac_config only to update
the phy_interface_type and without knowing what the AN results are.

Experimentally, when this was observed to happen, state->link was also
unset, and therefore was used as a proxy to ignore this call. However it
is also suggested that state->link is undefined for this callback and
should not be relied upon.

So let the previously-dead codepath for SPEED_UNKNOWN be called, and
update the comment to make sure the MAC's behavior is sane.

Cc: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: Vladimir Oltean <olteanv@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-06-28 09:31:31 -07:00
Arnd Bergmann
f7110b753b hinic: reduce rss_init stack usage
On 32-bit architectures, putting an array of 256 u32 values on the
stack uses more space than the warning limit:

drivers/net/ethernet/huawei/hinic/hinic_main.c: In function 'hinic_rss_init':
drivers/net/ethernet/huawei/hinic/hinic_main.c:286:1: error: the frame size of 1068 bytes is larger than 1024 bytes [-Werror=frame-larger-than=]

I considered changing the code to use u8 values here, since that's
all the hardware supports, but dynamically allocating the array is
a more isolated fix here.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-06-28 09:30:05 -07:00
David S. Miller
8792e82ddb Merge branch 'stmmac-10GbE-using-XGMAC'
Jose Abreu says:

====================
net: stmmac: 10GbE using XGMAC

Support for 10Gb Link using XGMAC core plus some performance tweaks.

Tested in a PCI based setup.

iperf3 TCP results:
	TSO ON, MTU=1500, TX Queues = 1, RX Queues = 1, Flow Control ON
	Pinned CPU (-A), Zero-Copy (-Z)

[ ID] Interval           Transfer     Bitrate         Retr
[  5]   0.00-600.00 sec   643 GBytes  9.21 Gbits/sec    1             sender
[  5]   0.00-600.00 sec   643 GBytes  9.21 Gbits/sec                  receiver
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2019-06-28 09:23:39 -07:00
Jose Abreu
41a4a5a259 net: stmmac: Update Kconfig entry
We support more speeds now. Update the Kconfig entry.

Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Cc: Joao Pinto <jpinto@synopsys.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Cc: Alexandre Torgue <alexandre.torgue@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-06-28 09:23:39 -07:00
Jose Abreu
3ba07debfc net: stmmac: Only disable interrupts if NAPI is scheduled
Only disable the interrupts if RX NAPI gets to be scheduled. Also,
schedule the TX NAPI only when the interrupts are disabled.

Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Cc: Joao Pinto <jpinto@synopsys.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Cc: Alexandre Torgue <alexandre.torgue@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-06-28 09:23:39 -07:00
Jose Abreu
858a31ffc3 net: stmmac: Update RX Tail Pointer to last free entry
Update the RX Tail Pointer to the last available SKB entry.

Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Cc: Joao Pinto <jpinto@synopsys.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Cc: Alexandre Torgue <alexandre.torgue@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-06-28 09:23:39 -07:00
Jose Abreu
a993db88d1 net: stmmac: Enable support for > 32 Bits addressing in XGMAC
Currently, stmmac only supports 32 bits addressing for SKB. Enable the
support for upto 48 bits addressing in XGMAC core.

This avoids the use of bounce buffers and increases performance.

Changes from v1:
	- Fallback to 32 bits in failure (Andrew)

Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Cc: Joao Pinto <jpinto@synopsys.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Cc: Alexandre Torgue <alexandre.torgue@st.com>
Cc: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-06-28 09:23:39 -07:00
Jose Abreu
a66b58849f net: stmmac: Do not disable interrupts when cleaning TX
This is a performance killer and anyways the interrupts are being
disabled by RX NAPI so no need to disable them again.

Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Cc: Joao Pinto <jpinto@synopsys.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Cc: Alexandre Torgue <alexandre.torgue@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-06-28 09:23:39 -07:00
Jose Abreu
5b0d7d7da6 net: stmmac: Add the missing speeds that XGMAC supports
XGMAC supports following speeds:
	- 10G XGMII
	- 5G XGMII
	- 2.5G XGMII
	- 2.5G GMII
	- 1G GMII
	- 100M MII
	- 10M MII

Add them to the stmmac driver.

Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Cc: Joao Pinto <jpinto@synopsys.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Cc: Alexandre Torgue <alexandre.torgue@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-06-28 09:23:39 -07:00
Jose Abreu
900a81cc11 net: stmmac: dwxgmac: Fix the undefined burst setting
Undefined burst shall only be set if pdata asks to.

Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Cc: Joao Pinto <jpinto@synopsys.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Cc: Alexandre Torgue <alexandre.torgue@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-06-28 09:23:39 -07:00
Jose Abreu
01d1689d6d net: stmmac: Decrease default RX Watchdog value
For performance reasons decrease the default RX Watchdog value for the
minimum allowed.

Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Cc: Joao Pinto <jpinto@synopsys.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Cc: Alexandre Torgue <alexandre.torgue@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-06-28 09:23:39 -07:00
Jose Abreu
5b1117704d net: stmmac: Do not try to enable PHY EEE if MAC does not support it
Do not enable EEE feature in the PHY if MAC does not support it.

Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Cc: Joao Pinto <jpinto@synopsys.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Cc: Alexandre Torgue <alexandre.torgue@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-06-28 09:23:39 -07:00
Jose Abreu
8fe82bd460 net: stmmac: dwxgmac: Enable EDMA by default
Enable the EDMA feature by default which gives higher performance.

Changes from v1:
	- Do not use magic values (David)

Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Cc: Joao Pinto <jpinto@synopsys.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Cc: Alexandre Torgue <alexandre.torgue@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-06-28 09:23:38 -07:00
Jose Abreu
42e87024f7 net: stmmac: Fix case when PHY handle is not present
Some DT bindings do not have the PHY handle. Let's fallback to manually
discovery in case phylink_of_phy_connect() fails.

Changes from v1:
	- Fixup comment style (Sergei)

Fixes: 74371272f9 ("net: stmmac: Convert to phylink and remove phylib logic")
Reported-by: Katsuhiro Suzuki <katsuhiro@katsuster.net>
Tested-by: Katsuhiro Suzuki <katsuhiro@katsuster.net>
Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Cc: Joao Pinto <jpinto@synopsys.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Cc: Alexandre Torgue <alexandre.torgue@st.com>
Cc: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-06-28 09:18:54 -07:00
Sergej Benilov
ee7dd7733b sis900: remove TxIDLE
Before "sis900: fix TX completion" patch, TX completion was done on TxIDLE interrupt.
TX completion also was the only thing done on TxIDLE interrupt.
Since "sis900: fix TX completion", TX completion is done on TxDESC interrupt.
So it is not necessary any more to set and to check for TxIDLE.

Eliminate TxIDLE from sis900.
Correct some typos, too.

Signed-off-by: Sergej Benilov <sergej.benilov@googlemail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-06-27 22:38:23 -07:00
Xin Long
e9c1a79321 tipc: add dst_cache support for udp media
As other udp/ip tunnels do, tipc udp media should also have a
lockless dst_cache supported on its tx path.

Here we add dst_cache into udp_replicast to support dst cache
for both rmcast and rcast, and rmcast uses ub->rcast and each
rcast uses its own node in ub->rcast.list.

Signed-off-by: Xin Long <lucien.xin@gmail.com>
Acked-by: Jon Maloy <jon.maloy@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-06-27 22:36:57 -07:00
David S. Miller
d96ff269a0 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
The new route handling in ip_mc_finish_output() from 'net' overlapped
with the new support for returning congestion notifications from BPF
programs.

In order to handle this I had to take the dev_loopback_xmit() calls
out of the switch statement.

The aquantia driver conflicts were simple overlapping changes.

Signed-off-by: David S. Miller <davem@davemloft.net>
2019-06-27 21:06:39 -07:00
David S. Miller
3a49584477 Merge branch 'nfp-extend-flower-capabilities-for-GRE-tunnel-offload'
Jakub Kicinski says:

====================
nfp: extend flower capabilities for GRE tunnel offload

Pieter says:

This set extends the flower match and action components to offload
GRE decapsulation with classification and encapsulation actions. The
first 3 patches are refactor and cleanup patches for improving
readability and reusability. Patch 4 and 5 implement GRE decap and
encap functionality respectively.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2019-06-27 19:47:36 -07:00
Pieter Jansen van Vuuren
fccac5802d nfp: flower: add GRE encap action support
Add new GRE encapsulation support, which allows offload of filters
using tunnel_key set action in combination with actions that egress
to GRE type ports.

Signed-off-by: Pieter Jansen van Vuuren <pieter.jansenvanvuuren@netronome.com>
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: John Hurley <john.hurley@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-06-27 19:47:36 -07:00
Pieter Jansen van Vuuren
e3a6aba081 nfp: flower: add GRE decap classification support
Extend the existing tunnel matching support to include GRE decap
classification. Specifically matching existing tunnel fields for
NVGRE (GRE with protocol field set to TEB).

Signed-off-by: Pieter Jansen van Vuuren <pieter.jansenvanvuuren@netronome.com>
Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: John Hurley <john.hurley@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-06-27 19:47:36 -07:00
Pieter Jansen van Vuuren
104dce5be9 nfp: flower: rename tunnel related functions in action offload
Previously tunnel related functions in action offload only applied
to UDP tunnels. Rename these functions in preparation for new
tunnel types.

Signed-off-by: Pieter Jansen van Vuuren <pieter.jansenvanvuuren@netronome.com>
Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: John Hurley <john.hurley@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-06-27 19:47:36 -07:00
Pieter Jansen van Vuuren
4bf8758a89 nfp: flower: add helper functions for tunnel classification
Adds IPv4 address and TTL/TOS helper functions, which is done in
preparation for compiling new tunnel types.

Signed-off-by: Pieter Jansen van Vuuren <pieter.jansenvanvuuren@netronome.com>
Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: John Hurley <john.hurley@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-06-27 19:47:36 -07:00
Pieter Jansen van Vuuren
986643de53 nfp: flower: refactor tunnel key layer calculation
Refactor the key layer calculation function, in particular the tunnel
key layer calculation by introducing helper functions. This is done
in preparation for supporting GRE tunnel offloads.

Signed-off-by: Pieter Jansen van Vuuren <pieter.jansenvanvuuren@netronome.com>
Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: John Hurley <john.hurley@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-06-27 19:47:36 -07:00