This patch is to remove the typedef sctp_error_t, and replace
with enum sctp_error in the places where it's using this typedef.
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch is to remove the typedef sctp_operr_chunk_t, and
replace with struct sctp_operr_chunk in the places where it's
using this typedef.
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch is to remove the typedef sctp_errhdr_t, and replace
with struct sctp_errhdr in the places where it's using this
typedef.
It is also to use sizeof(variable) instead of sizeof(type).
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch is to fix the name of struct sctp_shutdown_chunk_t
, replace with struct sctp_initack_chunk in the places where
it's using it.
It is also to fix some indent problem.
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch is to remove the typedef sctp_shutdownhdr_t, and
replace with struct sctp_shutdownhdr in the places where it's
using this typedef.
It is also to use sizeof(variable) instead of sizeof(type).
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
John Allen says:
====================
ibmvnic: Improve ethtool functionality
This patch series improves ibmvnic ethtool functionality by adding support
for ethtool -l and -g options, correcting existing statistics reporting,
and augmenting the existing statistics with counters for each tx and rx
queue.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Implement .get_channels (ethtool -l) functionality
Signed-off-by: John Allen <jallen@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Implement .get_ringparam (ethtool -g) functionality
Signed-off-by: John Allen <jallen@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The vnic server reports the statistics buffer in big endian format and must
be converted to cpu endian in order to be displayed correctly on little
endian lpars.
Signed-off-by: John Allen <jallen@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add counters to report number of packets, bytes, and dropped packets for
each transmit queue and number of packets, bytes, and interrupts for each
receive queue. Modify ethtool callbacks to report the new statistics.
Signed-off-by: John Allen <jallen@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Commit 45f119bf93 ("tcp: remove header prediction") introduced a
minor bug: the sk_state_change() and sk_wake_async() notifications for
a completed active connection happen twice: once in this new spot
inside tcp_finish_connect() and once in the existing code in
tcp_rcv_synsent_state_process() immediately after it calls
tcp_finish_connect(). This commit remoes the duplicate POLL_OUT
notifications.
Fixes: 45f119bf93 ("tcp: remove header prediction")
Signed-off-by: Neal Cardwell <ncardwell@google.com>
Cc: Florian Westphal <fw@strlen.de>
Cc: Eric Dumazet <edumazet@google.com>
Cc: Yuchung Cheng <ycheng@google.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
It's been a while now since ds->dst is not an array anymore, but a
simple pointer to a dsa_switch_tree.
Fortunately, SF2 does not support multi-chip and thus ds->index is
always 0.
This patch substitutes 'ds->dst[ds->index].' with 'ds->dst->'.
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add const to bin_attribute structure as it is only passed to the
functions sysfs_{remove/create}_bin_file. The corresponding
arguments are of type const, so declare the structure to be const.
Signed-off-by: Bhumika Goyal <bhumirks@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
RDS over IB does not use multipath RDS, so the array
of additional rds_conn_path structures is always superfluous
in this case. Reduce the memory footprint of the rds module
by making this a dynamic allocation predicated on whether
the transport is mp_capable.
Signed-off-by: Sowmini Varadhan <sowmini.varadhan@oracle.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
Tested-by: Efrain Galaviz <efrain.galaviz@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
It's convenient to init ipip offload. We will check
the return value, and print KERN_CRIT info on failure.
Signed-off-by: Tonghao Zhang <xiangxia.m.yue@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Save the ifindex before it gets zeroed so the invalid
ifindex can be printed out.
Signed-off-by: William Tu <u9012063@gmail.com>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: John Fastabend <john.fastabend@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
- bump version strings, by Simon Wunderlich
- Remove unnecessary length qualifier, by Joe Perches
- Remove too short %pM field width, by Sven Eckelmann
- Remove return value handling from skb_put_data, by Sven Eckelmann
- Spelling fixes, by Colin Ian King
- Convert batman-adv.txt to reStructuredText, by Sven Eckelmann
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Merge tag 'batadv-next-for-davem-20170802' 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
- Remove unnecessary length qualifier, by Joe Perches
- Remove too short %pM field width, by Sven Eckelmann
- Remove return value handling from skb_put_data, by Sven Eckelmann
- Spelling fixes, by Colin Ian King
- Convert batman-adv.txt to reStructuredText, by Sven Eckelmann
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
When deal with low and high throughput, it is hard to achiece both
high performance and low latency. In order to achiece that, this patch
calculates the rx rate, and adjust the interrupt coalesce parameter
accordingly.
Signed-off-by: Yunsheng Lin <linyunsheng@huawei.com>
Tested-by: Weiwei Deng <dengweiwei@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
null_x25_address is only used to access the string it contains, so it can
be const.
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>
Jiri Pirko says:
====================
ipv4: fib: Provide per-nexthop offload indication
Ido says:
Offload indication for IPv4 routes is currently set in the FIB info's
flags. When multipath routes are employed, this can lead to a route being
marked as offloaded although only one of its nexthops is actually
offloaded.
Instead, this patchset aims to proivde a higher resolution for the offload
indication and report it on a per-nexthop basis.
Example output from patched iproute:
$ ip route show 192.168.200.0/24
192.168.200.0/24
nexthop via 192.168.100.2 dev enp3s0np7 weight 1 offload
nexthop via 192.168.101.3 dev enp3s0np8 weight 1
And once the second gateway is resolved:
$ ip route show 192.168.200.0/24
192.168.200.0/24
nexthop via 192.168.100.2 dev enp3s0np7 weight 1 offload
nexthop via 192.168.101.3 dev enp3s0np8 weight 1 offload
First patch teaches the kernel to look for the offload indication in the
nexthop flags. Patches 2-5 adjust current capable drivers to provide
offload indication on a per-nexthop basis. Last patch removes no longer
used functions to set offload indication in the FIB info's flags.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Previous patches converted users of these functions to provide offload
indication using the nexthop's flags instead of the FIB info's.
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Acked-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Now that we provide offload indication using the nexthop's flags we must
refresh the offload indication whenever the offload state within the
group changes.
This didn't matter until now, as offload indication was provided using
the FIB info flags and multipath routes were marked as offloaded as long
as one of the nexthops was offloaded.
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Tested-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Previous patch removed the reliance on the counter in the FIB info to
set the offload indication, so we no longer need to keep an offload
state on each FIB entry and can just set or unset the RTNH_F_OFFLOAD
flag in each nexthop.
This is also necessary because we're going to need to refresh the
offload indication whenever the nexthop group associated with the FIB
entry is refreshed. Current check would prevent us from marking a newly
resolved nexthop as offloaded if the FIB entry is already marked as
offloaded.
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Tested-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
In a similar fashion to previous patch, use the nexthop flags to provide
offload indication instead of the FIB info's flags.
In case a nexthop in a multipath route can't be offloaded (gateway's MAC
can't be resolved, for example), then its offload flag isn't set.
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Tested-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
We want to stop using the FIB info's flags to provide the offlaod
indication and instead do that on a per-nexthop basis.
Convert rocker to do just that. It only supports one nexthop per-route,
so conversion is simple.
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
We're going to have capable drivers indicate route offload using the
nexthop flags, but for non-multipath routes these flags aren't dumped to
user space.
Instead, set the offload indication in the route message flags.
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Acked-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
'trans->tid' is only assigned later in the function, resulting in a zero
transaction ID. Use 'tid' instead.
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Stephen Hemminger says:
====================
netvsc: transparent VF support
This patch set changes how SR-IOV Virtual Function devices are managed
in the Hyper-V network driver. This version is rebased onto current net-next.
Background
In Hyper-V SR-IOV can be enabled (and disabled) by changing guest settings
on host. When SR-IOV is enabled a matching PCI device is hot plugged and
visible on guest. The VF device is an add-on to an existing netvsc
device, and has the same MAC address.
How is this different?
The original support of VF relied on using bonding driver in active
standby mode to handle the VF device.
With the new netvsc VF logic, the Linux hyper-V network
virtual driver will directly manage the link to SR-IOV VF device.
When VF device is detected (hot plug) it is automatically made a
slave device of the netvsc device. The VF device state reflects
the state of the netvsc device; i.e. if netvsc is set down, then
VF is set down. If netvsc is set up, then VF is brought up.
Packet flow is independent of VF status; all packets are sent and
received as if they were associated with the netvsc device. If VF is
removed or link is down then the synthetic VMBUS path is used.
What was wrong with using bonding script?
A lot of work went into getting the bonding script to work on all
distributions, but it was a major struggle. Linux network devices
can be configured many, many ways and there is no one solution from
userspace to make it all work. What is really hard is when
configuration is attached to synthetic device during boot (eth0) and
then the same addresses and firewall rules needs to also work later if
doing bonding. The new code gets around all of this.
How does VF work during initialization?
Since all packets are sent and received through the logical netvsc
device, initialization is much easier. Just configure the regular
netvsc Ethernet device; when/if SR-IOV is enabled it just
works. Provisioning and cloud init only need to worry about setting up
netvsc device (eth0). If SR-IOV is enabled (even as a later step), the
address and rules stay the same.
What devices show up?
Both netvsc and PCI devices are visible in the system. The netvsc
device is active and named in usual manner (eth0). The PCI device is
visible to Linux and gets renamed by udev to a persistent name
(enP2p3s0). The PCI device name is now irrelevant now.
The logic also sets the PCI VF device SLAVE flag on the network
device so network tools can see the relationship if they are smart
enough to understand how layered devices work.
This is a lot like how I see Windows working.
The VF device is visible in Device Manager, but is not configured.
Is there any performance impact?
There is no visible change in performance. The bonding
and netvsc driver both have equivalent steps.
Is it compatible with old bonding script?
It turns out that if you use the old bonding script, then everything
still works but in a sub-optimum manner. What happens is that bonding
is unable to steal the VF from the netvsc device so it creates a one
legged bond. Packet flow then is:
bond0 <--> eth0 <- -> VF (enP2p3s0).
In other words, if you get it wrong it still works, just
awkward and slower.
What if I add address or firewall rule onto the VF?
Same problems occur with now as already occur with bonding, bridging,
teaming on Linux if user incorrectly does configuration onto
an underlying slave device. It will sort of work, packets will come in
and out but the Linux kernel gets confused and things like ARP don’t
work right. There is no way to block manipulation of the slave
device, and I am sure someone will find some special use case where
they want it.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
No longer needed, now all managed by transparent VF logic.
Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add some background documentation on netvsc device options
and limitations.
Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch implements transparent fail over from synthetic NIC to
SR-IOV virtual function NIC in Hyper-V environment. It is a better
alternative to using bonding as is done now. Instead, the receive and
transmit fail over is done internally inside the driver.
Using bonding driver has lots of issues because it depends on the
script being run early enough in the boot process and with sufficient
information to make the association. This patch moves all that
functionality into the kernel.
Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Functions working with attribute_groups provided by <linux/sysfs.h>
work with const attribute_group. These attribute_group structures do not
change at runtime so mark them as const.
File size before:
text data bss dec hex filename
35740 28424 832 64996 fde4 drivers/atm/solos-pci.o
File size after:
text data bss dec hex filename
35932 28232 832 64996 fde4 drivers/atm/solos-pci.o
This change was made with the help of Coccinelle.
Signed-off-by: Amitoj Kaur Chawla <amitoj1606@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Functions working with attribute_groups provided by <linux/sysfs.h>
work with const attribute_group. These attribute_group structures do not
change at runtime so mark them as const.
File size before:
text data bss dec hex filename
2033 1448 0 3481 d99 drivers/atm/adummy.o
File size after:
text data bss dec hex filename
2129 1352 0 3481 d99 drivers/atm/adummy.o
This change was made with the help of Coccinelle.
Signed-off-by: Amitoj Kaur Chawla <amitoj1606@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The file /sys/devices/pci000.../sriov_totalvfs is showing a wrong value.
Fix it by calling pci_sriov_set_totalvfs() to set the total number of VFs
available after calculations for the number of PF and VF queues are made.
Signed-off-by: Derek Chickles <derek.chickles@cavium.com>
Signed-off-by: Raghu Vatsavayi <raghu.vatsavayi@cavium.com>
Signed-off-by: Felix Manlunas <felix.manlunas@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
DSA slave network devices maintain a pair of bytes and packets counters
for each directions, but these are not 64-bit capable. Re-use
pcpu_sw_netstats which contains exactly what we need for that purpose
and update the code path to report 64-bit capable statistics.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
They are introduced by commit f70ea018da
("net: Add functions to get skb->hash based on flow structures")
but never gets used in tree.
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Commit c13ee2a4f0 ("tcp: reindent two spots after prequeue removal")
removed code in tcp_data_queue().
We can go a little farther, removing an always true test,
and removing initializers for fragstolen and eaten variables.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Florian Westphal <fw@strlen.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
The last patch added the dependency on 'OF && HAS_IOMEM' but left
COMPILE_TEST as an alternative, which kind of defeats the purpose
of adding the dependency, we still get randconfig build warnings:
warning: (NET_DSA_BCM_SF2 && BCMGENET) selects MDIO_BCM_UNIMAC which has unmet direct dependencies (NETDEVICES && MDIO_BUS && HAS_IOMEM && OF_MDIO)
For compile-testing purposes, we don't really need this anyway,
as CONFIG_OF can be enabled on all architectures, and HAS_IOMEM
is present on all architectures we do meaningful compile-testing on
(the exception being arch/um).
This makes both OF and HAS_IOMEM hard dependencies.
Fixes: 5af74bb4fc ("net: bcmgenet: Add dependency on HAS_IOMEM && OF")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Repeated dereference of nvmsg.msg.v1_msg.send_rndis_pkt can be
shortened by using a temporary. Do so.
No change in object code.
Miscellanea:
o Use * const for rpkt and nvchan
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Vivien Didelot says:
====================
net: dsa: rework EEE support
EEE implies configuring the port's PHY and MAC of both ends of the wire.
The current EEE support in DSA mixes PHY and MAC configuration, which is
bad because PHYs must be configured through a proper PHY driver. The DSA
switch operations for EEE are only meant for configuring the port's MAC,
which are integrated in the Ethernet switch device.
This patchset fixes the EEE support in qca8k driver, makes the DSA layer
call phy_init_eee for all drivers, and remove the EEE support from the
mv88e6xxx driver since the Marvell PHY driver should be enough for it.
Changes in v2:
- make PHY device and DSA EEE ops mandatory for slave EEE operations.
- simply return 0 in drivers which don't need to do anything to
configure the port' MAC. Subsequent PHY calls will be enough.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
To avoid confusion with the PHY EEE settings, rename the .set_eee and
.get_eee ops to respectively .set_mac_eee and .get_mac_eee.
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
The PHY's EEE settings are already accessed by the DSA layer through the
Marvell PHY driver and there is nothing to be done for switch's MACs.
Remove all EEE support from the mv88e6xxx driver and simply return 0
from the EEE ops.
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
The DSA switch operations for EEE are only meant to configure a port's
MAC EEE settings. The port's PHY EEE settings are accessed by the DSA
layer and must be made available via a proper PHY driver.
In order to reduce this confusion, remove the phy_device argument from
the .set_eee operation.
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
All DSA drivers are calling phy_init_eee if eee_enabled is true.
Move up this statement in the DSA layer to simplify the DSA drivers.
qca8k does not require to cache the ethtool_eee structures from now on.
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
It is safer to init the EEE before the DSA layer call
phy_ethtool_set_eee, as sf2 and qca8k are doing.
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The SF2 driver is masking the supported bitfield of its private copy of
the ports' ethtool_eee structures. It is used nowhere, thus remove it.
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
phy_ethtool_get_eee is already called by the DSA layer, thus remove the
duplicated call in the qca8k driver.
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The qca8k driver is currently caching a bitfield of the supported member
of a ethtool_eee private structure, which is unused.
Only the eee_enabled field of the private ethtool_eee copy is updated,
thus using p->advertised and p->lp_advertised is also erroneous.
Remove the usage of these private ethtool_eee members and only rely on
phy_ethtool_get_eee to assign the eee_active member.
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
If EEE is queried enabled, qca8k_set_eee calls qca8k_eee_enable_set
twice (because it is already called in qca8k_eee_init). Fix that.
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The qca8k obviously copied code from the sf2 driver as how to set EEE:
if (e->eee_enabled) {
p->eee_enabled = qca8k_eee_init(ds, port, phydev);
if (!p->eee_enabled)
ret = -EOPNOTSUPP;
}
But it did not use the same logic for the EEE init routine, which is
"Returns 0 if EEE was not enabled, or 1 otherwise". This results in
returning -EOPNOTSUPP on success and caching EEE enabled on failure.
This patch fixes the returned value of qca8k_eee_init.
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
