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A following patch introduces qevents, points in qdisc algorithm where
packet can be processed by user-defined filters. Should this processing
lead to a situation where a new packet is to be enqueued on the same port,
holding the root lock would lead to deadlocks. To solve the issue, qevent
handler needs to unlock and relock the root lock when necessary.
To that end, add the root lock argument to the qdisc op enqueue, and
propagate throughout.
Signed-off-by: Petr Machata <petrm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Grygorii Strashko says:
====================
net: ethernet: ti: am65-cpsw: update and enable sr2.0 soc
This series contains set of improvements for TI AM654x/J721E CPSW2G driver and
adds support for TI AM654x SR2.0 SoC.
Patch 1: adds vlans restoration after "if down/up"
Patches 2-5: improvments
Patch 6: adds support for TI AM654x SR2.0 SoC which allows to disable errata i2027 W/A.
By default, errata i2027 W/A (TX csum offload disabled) is enabled on AM654x SoC
for backward compatibility, unless SR2.0 SoC is identified using SOC BUS framework.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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The AM65x SR2.0 MCU CPSW has fixed errata i2027 "CPSW: CPSW Does Not
Support CPPI Receive Checksum (Host to Ethernet) Offload Feature". This
errata also fixed for J271E SoC.
Use SOC bus data for K3 SoC identification and apply i2027 errata w/a only
for the AM65x SR1.0 SoC.
Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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no running netdevs
Ensure that critical setting can only be configured when there are no
running netdevs - all ports are down.
Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Skip HW configuration when p0-rx-ptype-rrobin is changed as it will be done
by .ndev_open(),
Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The MAC SL has to be initialized for each port otherwise
am65_cpsw_nuss_slave_disable_unused() will crash for disabled ports.
Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The pf_p0_rx_ptype_rrobin is global parameter so move its initialization in
probe.
Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The vlan configuration is not restored after interface down/up sequence.
Steps to check:
# ip link add link eth0 name eth0.100 type vlan id 100
# ifconfig eth0 down
# ifconfig eth0 up
This patch fixes it, restoring vlan ALE entries on .ndo_open().
Fixes: 93a76530316a ("net: ethernet: ti: introduce am65x/j721e gigabit eth subsystem driver")
Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Use list_empty_careful() instead of open-coding.
Signed-off-by: Geliang Tang <geliangtang@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Use list_is_singular() instead of open-coding.
Signed-off-by: Geliang Tang <geliangtang@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Fix some coding-style issues, including one which
made the function pointers in the struct ei_device
hard to understand.
Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Now that all net_device operations are bundled together inside
mscc_ocelot.ko and no longer part of the common library, there's no
reason to export these symbols.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Heiner Kallweit says:
====================
r8169: make RTL8401 a separate chip version
So far RTL8401 was treated like a RTL8101e, means we relied on the BIOS
to configure MAC and PHY properly. Make RTL8401 a separate chip version
and copy MAC / PHY config from r8101 vendor driver.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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So far RTL8401 was treated like a RTL8101e, means we relied on the BIOS
to configure MAC and PHY properly. Make RTL8401 a separate chip version
and copy MAC / PHY config from r8101 vendor driver.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Chip versions 13, 14, 15 are treated the same by the driver, therefore
let's merge them.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Luc Van Oostenryck says:
====================
net: always use netdev_tx_t for xmit()'s return type
The ndo_start_xmit() methods should return a 'netdev_tx_t', not
an int, and so should return NETDEV_TX_OK, not 0.
The patches in the series fix most of the remaning drivers and
subsystems (those included in allyesconfig on x86).
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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The method ndo_start_xmit() is defined as returning an 'netdev_tx_t',
which is a typedef for an enum type, but the implementation in this
driver returns an 'int'.
Fix this by returning 'netdev_tx_t' in this driver too.
Signed-off-by: Luc Van Oostenryck <luc.vanoostenryck@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The method ndo_start_xmit() is defined as returning an 'netdev_tx_t',
which is a typedef for an enum type, but the implementation in this
driver returns an 'int'.
Fix this by returning 'netdev_tx_t' in this driver too.
Signed-off-by: Luc Van Oostenryck <luc.vanoostenryck@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The method ndo_start_xmit() is defined as returning an 'netdev_tx_t',
which is a typedef for an enum type, but the implementation in this
driver returns an 'int'.
Fix this by returning 'netdev_tx_t' in this driver too.
Signed-off-by: Luc Van Oostenryck <luc.vanoostenryck@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The method ndo_start_xmit() is defined as returning an 'netdev_tx_t',
which is a typedef for an enum type, but the implementation in this
driver returns an 'int'.
Fix this by returning 'netdev_tx_t' in this driver too.
Signed-off-by: Luc Van Oostenryck <luc.vanoostenryck@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The method ndo_start_xmit() is defined as returning an 'netdev_tx_t',
which is a typedef for an enum type, but the implementation in this
driver returns an 'int'.
Fix this by returning 'netdev_tx_t' in this driver too.
Signed-off-by: Luc Van Oostenryck <luc.vanoostenryck@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The method ndo_start_xmit() is defined as returning an 'netdev_tx_t',
which is a typedef for an enum type, but the implementation in this
driver returns an 'int'.
Fix this by returning 'netdev_tx_t' in this driver too.
Signed-off-by: Luc Van Oostenryck <luc.vanoostenryck@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The method ndo_start_xmit() is defined as returning an 'netdev_tx_t',
which is a typedef for an enum type, but the implementation in this
driver returns an 'int'.
Fix this by returning 'netdev_tx_t' in this driver too.
Signed-off-by: Luc Van Oostenryck <luc.vanoostenryck@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The method ndo_start_xmit() is defined as returning an 'netdev_tx_t',
which is a typedef for an enum type, but the implementation in this
driver returns an 'int'.
Fix this by returning 'netdev_tx_t' in this driver too.
Signed-off-by: Luc Van Oostenryck <luc.vanoostenryck@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The method ndo_start_xmit() is defined as returning an 'netdev_tx_t',
which is a typedef for an enum type, but the implementation in this
driver returns an 'int'.
Fix this by returning 'netdev_tx_t' in this driver too.
Signed-off-by: Luc Van Oostenryck <luc.vanoostenryck@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The method ndo_start_xmit() is defined as returning an 'netdev_tx_t',
which is a typedef for an enum type, but the implementation in this
driver returns an 'int'.
Fix this by returning 'netdev_tx_t' in this driver too.
Signed-off-by: Luc Van Oostenryck <luc.vanoostenryck@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The method ndo_start_xmit() is defined as returning an 'netdev_tx_t',
which is a typedef for an enum type, but the implementation in this
driver returns an 'int'.
Fix this by returning 'netdev_tx_t' in this driver too.
Signed-off-by: Luc Van Oostenryck <luc.vanoostenryck@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The method ndo_start_xmit() is defined as returning an 'netdev_tx_t',
which is a typedef for an enum type, but the implementation in this
driver returns an 'int'.
Fix this by returning 'netdev_tx_t' in this driver too.
Signed-off-by: Luc Van Oostenryck <luc.vanoostenryck@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The method ndo_start_xmit() is defined as returning an 'netdev_tx_t',
which is a typedef for an enum type, but the implementation in this
driver returns an 'int'.
Fix this by returning 'netdev_tx_t' in this driver too and
returning NETDEV_TX_OK instead of 0 accordingly.
Signed-off-by: Luc Van Oostenryck <luc.vanoostenryck@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The method ndo_start_xmit() is defined as returning an 'netdev_tx_t',
which is a typedef for an enum type, but the implementation in this
driver returns an 'int'.
Fix this by returning 'netdev_tx_t' in this driver too.
Signed-off-by: Luc Van Oostenryck <luc.vanoostenryck@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The method ndo_start_xmit() is defined as returning an 'netdev_tx_t',
which is a typedef for an enum type, but the implementation in this
driver returns an 'int'.
Fix this by returning 'netdev_tx_t' in this driver too and
returning NETDEV_TX_OK instead of 0 accordingly.
Signed-off-by: Luc Van Oostenryck <luc.vanoostenryck@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Metadata need not be collected in receive if the packet from bareudp
device is not targeted to openvswitch.
Signed-off-by: Martin <martin.varghese@nokia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Luo bin says:
====================
hinic: add some ethtool ops support
patch #1: support to set and get pause params with
"ethtool -A/a" cmd
patch #2: support to set and get irq coalesce params with
"ethtool -C/c" cmd
patch #3: support to do self test with "ethtool -t" cmd
patch #4: support to identify physical device with "ethtool -p" cmd
patch #5: support to get eeprom information with "ethtool -m" cmd
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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add support to get eeprom information from the plug-in module
with ethtool -m cmd.
Signed-off-by: Luo bin <luobin9@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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add support to identify physical device by flashing an LED
attached to it with ethtool -p cmd.
Signed-off-by: Luo bin <luobin9@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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add support to excute internal and external loopback test with
ethtool -t cmd.
Signed-off-by: Luo bin <luobin9@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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add support to set TX/RX irq coalesce params with ethtool -C and
get these params with ethtool -c.
Signed-off-by: Luo bin <luobin9@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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add support to set pause params with ethtool -A and get pause
params with ethtool -a. Also remove set_link_ksettings ops for VF
and enable pause by default.
Signed-off-by: Luo bin <luobin9@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Andrii Nakryiko says:
====================
Add ability to turn off default auto-loading of each BPF program by libbpf on
BPF object load. This is the feature that allows BPF applications to have
optional functionality, which is only excercised on kernel that support
necessary features, while falling back to reduced/less performant
functionality, if kernel is outdated.
====================
Acked-by: Martin KaFai Lau <kafai@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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Validate that BPF object with broken (in multiple ways) BPF program can still
be successfully loaded, if that broken BPF program is disabled.
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Link: https://lore.kernel.org/bpf/20200625232629.3444003-3-andriin@fb.com
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Currently, bpf_object__load() (and by induction skeleton's load), will always
attempt to prepare, relocate, and load into kernel every single BPF program
found inside the BPF object file. This is often convenient and the right thing
to do and what users expect.
But there are plenty of cases (especially with BPF development constantly
picking up the pace), where BPF application is intended to work with old
kernels, with potentially reduced set of features. But on kernels supporting
extra features, it would like to take a full advantage of them, by employing
extra BPF program. This could be a choice of using fentry/fexit over
kprobe/kretprobe, if kernel is recent enough and is built with BTF. Or BPF
program might be providing optimized bpf_iter-based solution that user-space
might want to use, whenever available. And so on.
With libbpf and BPF CO-RE in particular, it's advantageous to not have to
maintain two separate BPF object files to achieve this. So to enable such use
cases, this patch adds ability to request not auto-loading chosen BPF
programs. In such case, libbpf won't attempt to perform relocations (which
might fail due to old kernel), won't try to resolve BTF types for
BTF-aware (tp_btf/fentry/fexit/etc) program types, because BTF might not be
present, and so on. Skeleton will also automatically skip auto-attachment step
for such not loaded BPF programs.
Overall, this feature allows to simplify development and deployment of
real-world BPF applications with complicated compatibility requirements.
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Link: https://lore.kernel.org/bpf/20200625232629.3444003-2-andriin@fb.com
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Yousuk Seung says:
====================
tcp: improve delivered counts in SCM_TSTAMP_ACK
Currently delivered and delivered_ce in OPT_STATS of SCM_TSTAMP_ACK do
not fully reflect the current ack being timestamped. Also they are not
in sync as the delivered count includes packets being sacked and some of
cumulatively acked but delivered_ce includes none.
This patch series updates tp->delivered and tp->delivered_ce together to
keep them in sync. It also moves generating SCM_TSTAMP_ACK to later in
tcp_clean_rtx_queue() to reflect packets being cumulatively acked up
until the current skb for sack-enabled connections.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Currently tp->delivered is updated in various places in tcp_ack() but
tp->delivered_ce is updated once at the end. As a result two counts in
OPT_STATS of SCM_TSTAMP_ACK timestamps generated in tcp_ack() may not be
in sync. This patch updates both counts at the same in tcp_ack().
Signed-off-by: Yousuk Seung <ysseung@google.com>
Signed-off-by: Yuchung Cheng <ycheng@google.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Acked-by: Neal Cardwell <ncardwell@google.com>
Acked-by: Soheil Hassas Yeganeh <soheil@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add sack_delivered to tcp_sacktag_state and count the number of sacked
and dsacked packets. This is pure refactor for future patches to improve
tracking delivered counts.
Signed-off-by: Yousuk Seung <ysseung@google.com>
Signed-off-by: Yuchung Cheng <ycheng@google.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Acked-by: Neal Cardwell <ncardwell@google.com>
Acked-by: Soheil Hassas Yeganeh <soheil@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Pass a boolean flag that tells the ECE state of the current ack to reno
sack functions. This is pure refactor for future patches to improve
tracking delivered counts.
Signed-off-by: Yousuk Seung <ysseung@google.com>
Signed-off-by: Yuchung Cheng <ycheng@google.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Acked-by: Neal Cardwell <ncardwell@google.com>
Acked-by: Soheil Hassas Yeganeh <soheil@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Currently tp->delivered is updated with sacked packets but not
cumulatively acked when SCP_TSTAMP_ACK is timestamped. This patch moves
a tcp_ack_tstamp() call in tcp_clean_rtx_queue() to later in the loop so
that when a skb is fully acked OPT_STATS of SCM_TSTAMP_ACK will include
the current skb in the delivered count. When not fully acked
tcp_ack_tstamp() is a no-op and there is no change in behavior.
Signed-off-by: Yousuk Seung <ysseung@google.com>
Signed-off-by: Yuchung Cheng <ycheng@google.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Acked-by: Neal Cardwell <ncardwell@google.com>
Acked-by: Soheil Hassas Yeganeh <soheil@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Prior to this patch mlx5e tls rx handler was called unconditionally on
all rx frames and the decision whether a frame is a valid tls record
is done inside that function. A function call can be expensive especially
for regular rx packet rate. To avoid this, check the tls validity before
jumping into the tls rx handler.
While at it, split between kTLS device offload rx handler and FPGA tls rx
handler using a similar method.
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
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All callers of mlx5e_ktls_build_netdev() check capability
before the call.
Remove the repeated check in the function.
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Reviewed-by: Maxim Mikityanskiy <maximmi@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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Resync communication with HW for kTLS RX is done via the
async ICOSQs.
kTLS RX resync requests might come in bursts. To improve the
success chances for such bursts, use a larger ICOSQ.
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Reviewed-by: Maxim Mikityanskiy <maximmi@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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Add global and per-channel ethtool SW stats for the device
offload.
Document the new counters in tls-offload.rst.
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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