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The 6390 has three different SERDES interface types. 2500Base-X is
implemented by the SGMII/1000Base-X SERDES. So power on/off the
correct SERDES.
Signed-off-by: Andrew Lunn <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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Add a helper for accessing SERDES registers of the 6390 family.
Signed-off-by: Andrew Lunn <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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There is a need to add more functions manipulating the SERDES
interfaces. Cleanup the namespace.
Signed-off-by: Andrew Lunn <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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The 6390 has two SERDES interfaces, used by ports 9 and 10. The 6390X
has eight SERDES interfaces. These allow ports 9 and 10 to do 10G. Or
if lower speeds are used, some of the SERDES interfaces can be used by
ports 2-8 for 1000Base-X.
Signed-off-by: Andrew Lunn <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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The 6390 family has 8 SERDES lanes. What ports use these lanes depends
on how ports 9 and 10 are configured. If 9 and 10 does not make use of
a line, one of the lower ports can use it.
Add a function to return the lane a port is using, if any, and simplify
the code to power up/down the lane.
Signed-off-by: Andrew Lunn <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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Add rudimentary phylink support to mv88e6xxx.
TODO:
- needs to call phylink_mac_change() when the port link comes up/goes down.
Signed-off-by: Russell King <[email protected]>
Signed-off-by: Andrew Lunn <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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Add a helper for MAC drivers to use in their validate callback to deal
with 2500BaseX vs 1000BaseX modes, where the hardware supports both
but it is not possible to automatically select between them.
This helper defaults to 1000BaseX, as that is the 802.3 standard, and
will allow users to select 2500BaseX either by forcing the speed if
AN is disabled, or by changing the advertising mask if AN is enabled.
Disabling AN is not recommended as it is only the speed that we're
interested in controlling, not the duplex or pause mode parameters.
Signed-off-by: Russell King <[email protected]>
Signed-off-by: Andrew Lunn <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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The 6185 can enable/disable 802.3z pause be setting the MyPause bit in
the port status register. Add an op to support this.
Signed-off-by: Russell King <[email protected]>
Signed-off-by: Andrew Lunn <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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Like all the other UART protocols, introduce a configuration option for
Realtek based serial devices.
Signed-off-by: Marcel Holtmann <[email protected]>
Signed-off-by: Hans de Goede <[email protected]>
Signed-off-by: Johan Hedberg <[email protected]>
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Ido Schimmel says:
====================
mlxsw: Various updates
Patches 1-3 update the driver to use a new firmware version. Due to a
recently discovered issue, the version (and future ones) does not
support matching on VLAN ID at egress. This is enforced in the driver
and reported back to the user via extack.
Patch 4 adds a new selftest for the recently introduced algorithmic
TCAM.
Patch 5 converts the driver to use SPDX identifiers.
Patches 6-7 fix a bug in ethtool stats reporting and expose counters for
all 16 TCs, following recent MC-aware changes that utilize TCs 8-15.
====================
Signed-off-by: David S. Miller <[email protected]>
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Before MC-aware mode was enabled in commit 7b8195306694 ("mlxsw:
spectrum: Configure MC-aware mode on mlxsw ports"), only 8 traffic
classes were used. Under MC-aware regime, however, besides using TCs
0-7 for UC traffic, it additionally uses TCs 8-15 for BUM traffic. It
is therefore desirable to show counters for these TCs as well.
Update ethtool stats pool length, mlxsw_sp_port_get_strings() and
mlxsw_sp_port_get_stats() to include artifacts for all 16 TCs. For
consistency and simplicity, expose tc_no_buffer_discard_uc_tc for BUM
TCs as well, even though it ought to stay at 0 all the time.
Signed-off-by: Petr Machata <[email protected]>
Signed-off-by: Ido Schimmel <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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The function mlxsw_sp_port_get_sset_count() is supposed to return the
total number of ethtool strings that mlxsw supports. Specifically for
names of statistic counters (the only string type that mlxsw supports
as of now), that number is stored in MLXSW_SP_PORT_ETHTOOL_STATS_LEN.
However, when adding RFC-2891 counters, that define wasn't updated to
include the new counters. As a result, ethtool snips out the counters
towards the end of the list, which contains per-TC counters, and only
the first three traffic classes end up being reported.
Fix by adding MLXSW_SP_PORT_HW_RFC_2819_STATS_LEN as appropriate.
Fixes: 1222d15a01c7 ("mlxsw: spectrum: Expose counters for various packet sizes")
Signed-off-by: Petr Machata <[email protected]>
Signed-off-by: Ido Schimmel <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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Signed-off-by: Jiri Pirko <[email protected]>
Signed-off-by: Ido Schimmel <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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Signed-off-by: Ido Schimmel <[email protected]>
Reviewed-by: Jiri Pirko <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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Recent FW fixes a bug and allows to load newly flashed FW image after
reset. So make sure the reset happens after flash. Indicate the need
down to PCI layer by -EAGAIN.
Signed-off-by: Jiri Pirko <[email protected]>
Signed-off-by: Ido Schimmel <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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This new firmware contains:
- Support for new types of cables
- Support for flashing future firmware without reboot
- Support for Router ARP BC and UC traps
Signed-off-by: Nir Dotan <[email protected]>
Acked-by: Jiri Pirko <[email protected]>
Signed-off-by: Ido Schimmel <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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As recent spectrum FW imposes a limitation on using vlan_id key for
egress ACL, disallow the usage of that key accordingly and return a
proper extack message.
Signed-off-by: Nir Dotan <[email protected]>
Reviewed-by: Jiri Pirko <[email protected]>
Signed-off-by: Ido Schimmel <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto fix from Herbert Xu:
"This fixes a performance regression in arm64 NEON crypto as well as a
crash in x86 aegis/morus on unsupported CPUs"
* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
crypto: x86/aegis,morus - Fix and simplify CPUID checks
crypto: arm64 - revert NEON yield for fast AEAD implementations
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Pull networking fixes from David Miller:
1) The real fix for the ipv6 route metric leak Sabrina was seeing, from
Cong Wang.
2) Fix syzbot triggers AF_PACKET v3 ring buffer insufficient room
conditions, from Willem de Bruijn.
3) vsock can reinitialize active work struct, fix from Cong Wang.
4) RXRPC keepalive generator can wedge a cpu, fix from David Howells.
5) Fix locking in AF_SMC ioctl, from Ursula Braun.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net:
dsa: slave: eee: Allow ports to use phylink
net/smc: move sock lock in smc_ioctl()
net/smc: allow sysctl rmem and wmem defaults for servers
net/smc: no shutdown in state SMC_LISTEN
net: aquantia: Fix IFF_ALLMULTI flag functionality
rxrpc: Fix the keepalive generator [ver #2]
net/mlx5e: Cleanup of dcbnl related fields
net/mlx5e: Properly check if hairpin is possible between two functions
vhost: reset metadata cache when initializing new IOTLB
llc: use refcount_inc_not_zero() for llc_sap_find()
dccp: fix undefined behavior with 'cwnd' shift in ccid2_cwnd_restart()
tipc: fix an interrupt unsafe locking scenario
vsock: split dwork to avoid reinitializations
net: thunderx: check for failed allocation lmac->dmacs
cxgb4: mk_act_open_req() buggers ->{local, peer}_ip on big-endian hosts
packet: refine ring v3 block size test to hold one frame
ip6_tunnel: use the right value for ipv4 min mtu check in ip6_tnl_xmit
ipv6: fix double refcount of fib6_metrics
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Saeed Mahameed says:
====================
Mellanox, mlx5 next updates 2018-08-09
This series includes mlx5 core driver updates and mostly simple
cleanups.
From Denis: Use max #EQs reported by firmware to request MSIX vectors.
From Eli: Trivial cleanups, unused arguments/functions and reduce
command polling interval when command interface is in polling mode.
From Eran: Rename vport state enums, to better reflect their actual
usage.
====================
Signed-off-by: David S. Miller <[email protected]>
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Use cond_resched() instead of usleep_range() to decrease the time
between polling attempts thus reducing overall driver load time.
Below is a comparison before and after the change, of loading eight
virtual functions.
Before:
real 0m8.785s
user 0m0.093s
sys 0m0.090s
After:
real 0m5.730s
user 0m0.097s
sys 0m0.087s
Signed-off-by: Eli Cohen <[email protected]>
Reviewed-by: Or Gerlitz <[email protected]>
Signed-off-by: Saeed Mahameed <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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mlx5_query_vport_state() and mlx5_modify_vport_admin_state() are used
only from within mlx5_core - unexport them.
Signed-off-by: Eli Cohen <[email protected]>
Reviewed-by: Or Gerlitz <[email protected]>
Signed-off-by: Saeed Mahameed <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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mlx5_query_vport_admin_state() is not used anywhere. Remove it.
Signed-off-by: Eli Cohen <[email protected]>
Reviewed-by: Or Gerlitz <[email protected]>
Signed-off-by: Saeed Mahameed <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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Remove unused nvports argument.
Signed-off-by: Eli Cohen <[email protected]>
Reviewed-by: Or Gerlitz <[email protected]>
Signed-off-by: Saeed Mahameed <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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Modify and query vport state commands share the same admin_state and
op_mod values, rename the enums to fit them both.
In addition, remove the esw prefix from the admin state enum as this
also applied for vnic.
Signed-off-by: Eran Ben Elisha <[email protected]>
Signed-off-by: Saeed Mahameed <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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New firmware has defined new HCA capability field called "max_num_eqs",
that is the number of available EQs after subtracting reserved FW EQs.
Before this capability the FW reported the EQ number in "log_max_eqs",
the reported value also contained FW reserved EQs, but the driver might
be failing to load on 320 cpus systems due to the fact that FW
reserved EQs were not available to the driver.
Now the driver has to obtain max_num_eqs value from new FW to get real
number of EQs available.
Signed-off-by: Denis Drozdov <[email protected]>
Reviewed-by: Alex Vesker <[email protected]>
Signed-off-by: Saeed Mahameed <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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For a port to be able to use EEE, both the MAC and the PHY must
support EEE. A phy can be provided by both a phydev or phylink. Verify
at least one of these exist, not just phydev.
Fixes: aab9c4067d23 ("net: dsa: Plug in PHYLINK support")
Signed-off-by: Andrew Lunn <[email protected]>
Reviewed-by: Florian Fainelli <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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Ursula Braun says:
====================
net/smc: fixes 2018-08-08
here are small fixes for SMC: The first patch makes sure, shutdown code
is not executed for sockets in state SMC_LISTEN. The second patch resets
send and receive buffer values for accepted sockets, since TCP buffer size
optimizations for the internal CLC socket should not be forwarded to the
outer SMC socket. The third patch solves a race between connect and ioctl
reported by syzbot.
====================
Signed-off-by: David S. Miller <[email protected]>
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When an SMC socket is connecting it is decided whether fallback to
TCP is needed. To avoid races between connect and ioctl move the
sock lock before the use_fallback check.
Reported-by: [email protected]
Reported-by: [email protected]
Fixes: 1992d99882af ("net/smc: take sock lock in smc_ioctl()")
Signed-off-by: Ursula Braun <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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Without setsockopt SO_SNDBUF and SO_RCVBUF settings, the sysctl
defaults net.ipv4.tcp_wmem and net.ipv4.tcp_rmem should be the base
for the sizes of the SMC sndbuf and rcvbuf. Any TCP buffer size
optimizations for servers should be ignored.
Signed-off-by: Ursula Braun <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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Invoking shutdown for a socket in state SMC_LISTEN does not make
sense. Nevertheless programs like syzbot fuzzing the kernel may
try to do this. For SMC this means a socket refcounting problem.
This patch makes sure a shutdown call for an SMC socket in state
SMC_LISTEN simply returns with -ENOTCONN.
Signed-off-by: Ursula Braun <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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It was noticed that NIC always pass all multicast traffic to the host
regardless of IFF_ALLMULTI flag on the interface.
The rule in MC Filter Table in NIC, that is configured to accept any
multicast packets, is turning on if IFF_MULTICAST flag is set on the
interface. It leads to passing all multicast traffic to the host.
This fix changes the condition to turn on that rule by checking
IFF_ALLMULTI flag as it should.
Fixes: b21f502f84be ("net:ethernet:aquantia: Fix for multicast filter handling.")
Signed-off-by: Dmitry Bogdanov <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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AF_RXRPC has a keepalive message generator that generates a message for a
peer ~20s after the last transmission to that peer to keep firewall ports
open. The implementation is incorrect in the following ways:
(1) It mixes up ktime_t and time64_t types.
(2) It uses ktime_get_real(), the output of which may jump forward or
backward due to adjustments to the time of day.
(3) If the current time jumps forward too much or jumps backwards, the
generator function will crank the base of the time ring round one slot
at a time (ie. a 1s period) until it catches up, spewing out VERSION
packets as it goes.
Fix the problem by:
(1) Only using time64_t. There's no need for sub-second resolution.
(2) Use ktime_get_seconds() rather than ktime_get_real() so that time
isn't perceived to go backwards.
(3) Simplifying rxrpc_peer_keepalive_worker() by splitting it into two
parts:
(a) The "worker" function that manages the buckets and the timer.
(b) The "dispatch" function that takes the pending peers and
potentially transmits a keepalive packet before putting them back
in the ring into the slot appropriate to the revised last-Tx time.
(4) Taking everything that's pending out of the ring and splicing it into
a temporary collector list for processing.
In the case that there's been a significant jump forward, the ring
gets entirely emptied and then the time base can be warped forward
before the peers are processed.
The warping can't happen if the ring isn't empty because the slot a
peer is in is keepalive-time dependent, relative to the base time.
(5) Limit the number of iterations of the bucket array when scanning it.
(6) Set the timer to skip any empty slots as there's no point waking up if
there's nothing to do yet.
This can be triggered by an incoming call from a server after a reboot with
AF_RXRPC and AFS built into the kernel causing a peer record to be set up
before userspace is started. The system clock is then adjusted by
userspace, thereby potentially causing the keepalive generator to have a
meltdown - which leads to a message like:
watchdog: BUG: soft lockup - CPU#0 stuck for 23s! [kworker/0:1:23]
...
Workqueue: krxrpcd rxrpc_peer_keepalive_worker
EIP: lock_acquire+0x69/0x80
...
Call Trace:
? rxrpc_peer_keepalive_worker+0x5e/0x350
? _raw_spin_lock_bh+0x29/0x60
? rxrpc_peer_keepalive_worker+0x5e/0x350
? rxrpc_peer_keepalive_worker+0x5e/0x350
? __lock_acquire+0x3d3/0x870
? process_one_work+0x110/0x340
? process_one_work+0x166/0x340
? process_one_work+0x110/0x340
? worker_thread+0x39/0x3c0
? kthread+0xdb/0x110
? cancel_delayed_work+0x90/0x90
? kthread_stop+0x70/0x70
? ret_from_fork+0x19/0x24
Fixes: ace45bec6d77 ("rxrpc: Fix firewall route keepalive")
Reported-by: kernel test robot <[email protected]>
Signed-off-by: David Howells <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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Saeed Mahameed says:
====================
Mellanox, mlx5e fixes 2018-08-07
I know it is late into 4.18 release, and this is why I am submitting
only two mlx5e ethernet fixes.
The first one from Or, is needed for -stable and it fixes hairpin
for "same device" check.
The second fix is a non risk fix from Huy which cleans up and improves
error return value reporting for dcbnl_ieee_setapp.
For -stable v4.16
- net/mlx5e: Properly check if hairpin is possible between two functions
====================
Signed-off-by: David S. Miller <[email protected]>
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Remove unused netdev_registered_init/remove in en.h
Return ENOSUPPORT if the check MLX5_DSCP_SUPPORTED fails.
Remove extra white space
Fixes: 2a5e7a1344f4 ("net/mlx5e: Add dcbnl dscp to priority support")
Signed-off-by: Huy Nguyen <[email protected]>
Cc: Yuval Shaia <[email protected]>
Reviewed-by: Parav Pandit <[email protected]>
Signed-off-by: Saeed Mahameed <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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The current check relies on function BDF addresses and can get
us wrong e.g when two VFs are assigned into a VM and the PCI
v-address is set by the hypervisor.
Fixes: 5c65c564c962 ('net/mlx5e: Support offloading TC NIC hairpin flows')
Signed-off-by: Or Gerlitz <[email protected]>
Reported-by: Alaa Hleihel <[email protected]>
Tested-by: Alaa Hleihel <[email protected]>
Signed-off-by: Saeed Mahameed <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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Add the missing unlock before return from function hwsim_add_one()
in the error handling case.
Fixes: f25da51fdc38 ("ieee802154: hwsim: add replacement for fakelb")
Signed-off-by: Wei Yongjun <[email protected]>
Signed-off-by: Stefan Schmidt <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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The return value from kzalloc() is not checked correctly. The
test is done against a wrong variable. This patch fix it.
Fixes: f25da51fdc38 ("ieee802154: hwsim: add replacement for fakelb")
Signed-off-by: Wei Yongjun <[email protected]>
Signed-off-by: Stefan Schmidt <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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This patch adds missing rcu_assign_pointer()/rcu_dereference() to used rcu
pointers. There was already a previous commit c5d99d2b35da ("ieee802154:
hwsim: fix rcu address annotation"), but there was more which was
pointed out on my side by using newest sparse version.
Cc: Stefan Schmidt <[email protected]>
Fixes: f25da51fdc38 ("ieee802154: hwsim: add replacement for fakelb")
Signed-off-by: Alexander Aring <[email protected]>
Signed-off-by: Stefan Schmidt <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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For years I thought all parisc machines executed loads and stores in
order. However, Jeff Law recently indicated on gcc-patches that this is
not correct. There are various degrees of out-of-order execution all the
way back to the PA7xxx processor series (hit-under-miss). The PA8xxx
series has full out-of-order execution for both integer operations, and
loads and stores.
This is described in the following article:
http://web.archive.org/web/20040214092531/http://www.cpus.hp.com/technical_references/advperf.shtml
For this reason, we need to define mb() and to insert a memory barrier
before the store unlocking spinlocks. This ensures that all memory
accesses are complete prior to unlocking. The ldcw instruction performs
the same function on entry.
Signed-off-by: John David Anglin <[email protected]>
Cc: [email protected] # 4.0+
Signed-off-by: Helge Deller <[email protected]>
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Enable the -mlong-calls compiler option by default, because otherwise in most
cases linking the vmlinux binary fails due to truncations of R_PARISC_PCREL22F
relocations. This fixes building the 64-bit defconfig.
Cc: [email protected] # 4.0+
Signed-off-by: Helge Deller <[email protected]>
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Fixes the following sparse warning:
net/netfilter/nfnetlink_osf.c:274:24: warning:
Using plain integer as NULL pointer
Signed-off-by: Wei Yongjun <[email protected]>
Signed-off-by: Pablo Neira Ayuso <[email protected]>
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This patch fixes the problem below. The problem can be reproduced by the
following steps:
1) Connecting all HiNIC interfaces
2) On server side
# sudo ifconfig eth0 192.168.100.1 up #Using MLX CX4 card
# iperf -s
3) On client side
# sudo ifconfig eth0 192.168.100.2 up #Using our HiNIC card
# iperf -c 192.168.101.1 -P 10 -t 100000
after hours of testing, we will see errors:
hinic 0000:05:00.0: No MGMT msg handler, mod = 0
hinic 0000:05:00.0: No MGMT msg handler, mod = 0
hinic 0000:05:00.0: No MGMT msg handler, mod = 0
hinic 0000:05:00.0: No MGMT msg handler, mod = 0
The errors are caused by the following problem.
1) The hinic_get_wqe() checks the "wq->delta" to allocate new WQEs:
if (atomic_sub_return(num_wqebbs, &wq->delta) <= 0) {
atomic_add(num_wqebbs, &wq->delta);
return ERR_PTR(-EBUSY);
}
If the WQE occupies multiple pages, the shadow WQE will be used. Then the
hinic_xmit_frame() fills the WQE.
2) While in parallel with 1), the free_tx_poll() checks the "wq->delta"
to free old WQEs:
if ((atomic_read(&wq->delta) + num_wqebbs) > wq->q_depth)
return ERR_PTR(-EBUSY);
There is a probability that the shadow WQE which hinic_xmit_frame() is
using will be damaged by copy_wqe_to_shadow():
if (curr_pg != end_pg) {
void *shadow_addr = &wq->shadow_wqe[curr_pg * wq->max_wqe_size];
copy_wqe_to_shadow(wq, shadow_addr, num_wqebbs, *cons_idx);
return shadow_addr;
}
This can cause WQE data error and you will see the above error messages.
This patch fixes the problem.
Signed-off-by: Zhao Chen <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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We need to reset metadata cache during new IOTLB initialization,
otherwise the stale pointers to previous IOTLB may be still accessed
which will lead a use after free.
Reported-by: [email protected]
Fixes: f88949138058 ("vhost: introduce O(1) vq metadata cache")
Signed-off-by: Jason Wang <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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The ret is modified after initalization, so just remove it and
return 0.
Signed-off-by: zhong jiang <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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We will not use the variable 'err' after initalization, So remove it and
return 0.
Signed-off-by: zhong jiang <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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xt_osf_window_size_options was originally part of
include/uapi/linux/netfilter/xt_osf.h, restore it.
Fixes: bfb15f2a95cb ("netfilter: extract Passive OS fingerprint infrastructure from xt_osf")
Signed-off-by: Fernando Fernandez Mancera <[email protected]>
Signed-off-by: Pablo Neira Ayuso <[email protected]>
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Get rid of unused struct member 'last_link'
Signed-off-by: Moritz Fischer <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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Gustavo A. R. Silva says:
====================
net: ethernet: Mark expected switch fall-throughs
In preparation to enabling -Wimplicit-fallthrough, this patchset aims
to add some annotations in order to mark switch cases where we are
expecting to fall through.
====================
Signed-off-by: David S. Miller <[email protected]>
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In preparation to enabling -Wimplicit-fallthrough, mark switch cases
where we are expecting to fall through.
Addresses-Coverity-ID: 114813 ("Missing break in switch")
Signed-off-by: Gustavo A. R. Silva <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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