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Add method, which waits until the transmission buffer has been sent.
Note, that the change in ttyport_write_wakeup is related, since
tty_wait_until_sent will hang without that change.
Acked-by: Rob Herring <robh@kernel.org>
Acked-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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Fix issue found during L2CAP qualification test TP/LE/CFC/BV-20-C.
Signed-off-by: Marcin Kraglak <marcin.kraglak@tieto.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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According to RFC 7668 U/L bit shall not be used:
https://wiki.tools.ietf.org/html/rfc7668#section-3.2.2 [Page 10]:
In the figure, letter 'b' represents a bit from the
Bluetooth device address, copied as is without any changes on any
bit. This means that no bit in the IID indicates whether the
underlying Bluetooth device address is public or random.
|0 1|1 3|3 4|4 6|
|0 5|6 1|2 7|8 3|
+----------------+----------------+----------------+----------------+
|bbbbbbbbbbbbbbbb|bbbbbbbb11111111|11111110bbbbbbbb|bbbbbbbbbbbbbbbb|
+----------------+----------------+----------------+----------------+
Because of this the code cannot figure out the address type from the IP
address anymore thus it makes no sense to use peer_lookup_ba as it needs
the peer address type.
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Reviewed-by: Stefan Schmidt <stefan@osg.samsung.com>
Acked-by: Jukka Rissanen <jukka.rissanen@linux.intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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This allow technologies such as Bluetooth to use its native lladdr which
is eui48 instead of eui64 which was expected by functions like
lowpan_header_decompress and lowpan_header_compress.
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Reviewed-by: Stefan Schmidt <stefan@osg.samsung.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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refcount_t type and corresponding API should be
used instead of atomic_t when the variable is used as
a reference counter. This allows to avoid accidental
refcounter overflows that might lead to use-after-free
situations.
Signed-off-by: Elena Reshetova <elena.reshetova@intel.com>
Signed-off-by: Hans Liljestrand <ishkamiel@gmail.com>
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: David Windsor <dwindsor@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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This field is never big enough to warrant 16-bitness.
8-bit accesses enjoy shorted encoding on i386/x86_64 than 16-bit
accesses:
add/remove: 0/0 grow/shrink: 0/2 up/down: 0/-10 (-10)
function old new delta
loopback_setup 169 164 -5
ether_setup 148 143 -5
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Using 16-bit ->hh_len doesn't save any memory, save some .text instead:
add/remove: 0/0 grow/shrink: 1/6 up/down: 2/-19 (-17)
function old new delta
neigh_update 2312 2314 +2
fwnet_header_cache 199 197 -2
eth_header_cache 101 99 -2
ip6_finish_output2 2371 2368 -3
vrf_finish_output6 1522 1518 -4
vrf_finish_output 1413 1409 -4
ip_finish_output2 1627 1623 -4
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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There's no need to have struct bpf_map_type_list since
it just contains a list_head, the type, and the ops
pointer. Since the types are densely packed and not
actually dynamically registered, it's much easier and
smaller to have an array of type->ops pointer. Also
initialize this array statically to remove code needed
to initialize it.
In order to save duplicating the list, move it to the
types header file added by the previous patch and
include it in the same fashion.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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There's no need to have struct bpf_prog_type_list since
it just contains a list_head, the type, and the ops
pointer. Since the types are densely packed and not
actually dynamically registered, it's much easier and
smaller to have an array of type->ops pointer. Also
initialize this array statically to remove code needed
to initialize it.
In order to save duplicating the list, move it to a new
header file and include it in the places needing it.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Unused now that all callers switched to pci_alloc_irq_vectors.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Bjorn Helgaas <bhelgaas@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec-next
Steffen Klassert says:
====================
pull request (net-next): ipsec-next 2017-04-11
1) Remove unused field from struct xfrm_mgr.
2) Code size optimizations for the xfrm prefix hash and
address match.
3) Branch optimization for addr4_match.
All patches from Alexey Dobriyan.
Please pull or let me know if there are problems.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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o s/bpf_bpf_get_socket_cookie/bpf_get_socket_cookie
Signed-off-by: Alexander Alemayhu <alexander@alemayhu.com>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This reverts commit def12888c161e6fec0702e5ec9c3962846e3a21d.
As per discussion between Roopa Prabhu and David Ahern, it is
advisable that we instead have the code collect the setlink triggered
events into a bitmask emitted in the IFLA_EVENT netlink attribute.
Signed-off-by: David S. Miller <davem@davemloft.net>
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All DSA tag receive functions do strictly the same thing after they have located
the originating source port from their tag specific protocol:
- push ETH_HLEN bytes
- set pkt_type to PACKET_HOST
- call eth_type_trans()
- bump up counters
- call netif_receive_skb()
Factor all of that into dsa_switch_rcv(). This also makes us return a pointer to
a sk_buff, which makes us symetric with the xmit function.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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All available gso_type flags are currently in use, so
extend gso_type from 'unsigned short' to 'unsigned int'
to be able to add further flags.
We reorder the struct skb_shared_info to use
two bytes of the four byte hole before dataref.
All fields before dataref are cleared, i.e.
four bytes more than before the change.
The remaining two byte hole is moved to the
beginning of the structure, this protects us
from immediate overwites on out of bound writes
to the sk_buff head.
Structure layout on x86-64 before the change:
struct skb_shared_info {
unsigned char nr_frags; /* 0 1 */
__u8 tx_flags; /* 1 1 */
short unsigned int gso_size; /* 2 2 */
short unsigned int gso_segs; /* 4 2 */
short unsigned int gso_type; /* 6 2 */
struct sk_buff * frag_list; /* 8 8 */
struct skb_shared_hwtstamps hwtstamps; /* 16 8 */
u32 tskey; /* 24 4 */
__be32 ip6_frag_id; /* 28 4 */
atomic_t dataref; /* 32 4 */
/* XXX 4 bytes hole, try to pack */
void * destructor_arg; /* 40 8 */
skb_frag_t frags[17]; /* 48 272 */
/* --- cacheline 5 boundary (320 bytes) --- */
/* size: 320, cachelines: 5, members: 12 */
/* sum members: 316, holes: 1, sum holes: 4 */
};
Structure layout on x86-64 after the change:
struct skb_shared_info {
short unsigned int _unused; /* 0 2 */
unsigned char nr_frags; /* 2 1 */
__u8 tx_flags; /* 3 1 */
short unsigned int gso_size; /* 4 2 */
short unsigned int gso_segs; /* 6 2 */
struct sk_buff * frag_list; /* 8 8 */
struct skb_shared_hwtstamps hwtstamps; /* 16 8 */
unsigned int gso_type; /* 24 4 */
u32 tskey; /* 28 4 */
__be32 ip6_frag_id; /* 32 4 */
atomic_t dataref; /* 36 4 */
void * destructor_arg; /* 40 8 */
skb_frag_t frags[17]; /* 48 272 */
/* --- cacheline 5 boundary (320 bytes) --- */
/* size: 320, cachelines: 5, members: 13 */
};
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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It's rather confusing that the netlink message flags are
numbered 1, 2, 4, 8, 16, 32, <unused>, 0x100. Make that
more understandable by numbering the lower ones with hex
constants as well.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Introduce a new getsockopt operation to retrieve the socket cookie
for a specific socket based on the socket fd. It returns a unique
non-decreasing cookie for each socket.
Tested: https://android-review.googlesource.com/#/c/358163/
Acked-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: Chenbo Feng <fengc@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux
Saeed Mahameed says:
====================
mlx5-updates-2017-04-16
This patchset provides some updates for the mlx5 drivers.
From Majd,
1st patch, Adds ConnectX-6 and ConnectX-6 VF PCI IDs support.
From Guy,
2nd patch, Adds RXFCS scatter support.
3rd patch, Small cleanup to make a function static.
From Eran,
4th patch, Adds 4 zeros padding to ethtool FW version.
6th patch, Trevial code reuse cleanup
From Inbar,
5th patch, Show board id in ethtool driver information
From Saeed,
7th patch, Set default RX moderation parameters on driver load
as a small fix for the latest fail-safe config feature.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add the support for the 4-bytes tag for DSA port distinguishing inserted
allowing receiving and transmitting the packet via the particular port.
The tag is being added after the source MAC address in the ethernet
header.
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Landen Chao <Landen.Chao@mediatek.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add support for rx-fcs flag from ethtool.
In case this flag is set, update all RQs to scatter the FCS data into
the packet.
Signed-off-by: Guy Ergas <guye@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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Now that management firmware is capable of telling us the number of CQs
available for a given PF, qed needs to communicate the number to qedi
so it would know have many to use.
Signed-off-by: Yuval Mintz <Yuval.Mintz@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs
David Howells says:
====================
rxrpc: Miscellany
Here's a set of patches that make some minor changes to AF_RXRPC:
(1) Store error codes in struct rxrpc_call::error as negative codes and
only convert to positive in recvmsg() to avoid confusion inside the
kernel.
(2) Note the result of trying to abort a call (this fails if the call is
already 'completed').
(3) Don't abort on temporary errors whilst processing challenge and
response packets, but rather drop the packet and wait for
retransmission.
And also adds some more tracing:
(4) Protocol errors.
(5) Received abort packets.
(6) Changes in the Rx window size due to ACK packet information.
(7) Client call initiation (to allow the rxrpc_call struct pointer, the
wire call ID and the user ID/afs_call pointer to be cross-referenced).
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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A new function, kernel_sock_ip_overhead(), is provided
to calculate the cumulative overhead imposed by the IP
Header and IP options, if any, on a socket's payload.
The new function returns an overhead of zero for sockets
that do not belong to the IPv4 or IPv6 address families.
This is used in the L2TP code path to compute the
total outer IP overhead on the L2TP tunnel socket when
calculating the default MTU for Ethernet pseudowires.
Signed-off-by: R. Parameswaran <rparames@brocade.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Commit c7e2b9689ef "sched: introduce vlan action" added both the
UAPI values for the vlan actions (TCA_VLAN_ACT_) and these two
in-kernel ones which are not used, remove them.
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Reviewed-by: Simon Horman <simon.horman@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Mostly simple cases of overlapping changes (adding code nearby,
a function whose name changes, for example).
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add a tracepoint (rxrpc_connect_call) to log the combination of rxrpc_call
pointer, afs_call pointer/user data and wire call parameters to make it
easier to match the tracebuffer contents to captured network packets.
Signed-off-by: David Howells <dhowells@redhat.com>
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Add a tracepoint (rxrpc_rx_rwind_change) to log changes in a call's receive
window size as imposed by the peer through an ACK packet.
Signed-off-by: David Howells <dhowells@redhat.com>
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Add a tracepoint (rxrpc_rx_abort) to record received aborts.
Signed-off-by: David Howells <dhowells@redhat.com>
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Add a tracepoint (rxrpc_rx_proto) to record protocol errors in received
packets. The following changes are made:
(1) Add a function, __rxrpc_abort_eproto(), to note a protocol error on a
call and mark the call aborted. This is wrapped by
rxrpc_abort_eproto() that makes the why string usable in trace.
(2) Add trace_rxrpc_rx_proto() or rxrpc_abort_eproto() to protocol error
generation points, replacing rxrpc_abort_call() with the latter.
(3) Only send an abort packet in rxkad_verify_packet*() if we actually
managed to abort the call.
Note that a trace event is also emitted if a kernel user (e.g. afs) tries
to send data through a call when it's not in the transmission phase, though
it's not technically a receive event.
Signed-off-by: David Howells <dhowells@redhat.com>
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Make rxrpc_kernel_abort_call() return an indication as to whether it
actually aborted the operation or not so that kafs can trace the failure of
the operation. Note that 'success' in this context means changing the
state of the call, not necessarily successfully transmitting an ABORT
packet.
Signed-off-by: David Howells <dhowells@redhat.com>
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Pull networking fixes from David Miller:
1) Reject invalid updates to netfilter expectation policies, from Pablo
Neira Ayuso.
2) Fix memory leak in nfnl_cthelper, from Jeffy Chen.
3) Don't do stupid things if we get a neigh_probe() on a neigh entry
whose ops lack a solicit method. From Eric Dumazet.
4) Don't transmit packets in r8152 driver when the carrier is off, from
Hayes Wang.
5) Fix ipv6 packet type detection in aquantia driver, from Pavel
Belous.
6) Don't write uninitialized data into hw registers in bna driver, from
Arnd Bergmann.
7) Fix locking in ping_unhash(), from Eric Dumazet.
8) Make BPF verifier range checks able to understand certain sequences
emitted by LLVM, from Alexei Starovoitov.
9) Fix use after free in ipconfig, from Mark Rutland.
10) Fix refcount leak on force commit in openvswitch, from Jarno
Rajahalme.
11) Fix various overflow checks in AF_PACKET, from Andrey Konovalov.
12) Fix endianness bug in be2net driver, from Suresh Reddy.
13) Don't forget to wake TX queues when processing a timeout, from
Grygorii Strashko.
14) ARP header on-stack storage is wrong in flow dissector, from Simon
Horman.
15) Lost retransmit and reordering SNMP stats in TCP can be
underreported. From Yuchung Cheng.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (82 commits)
nfp: fix potential use after free on xdp prog
tcp: fix reordering SNMP under-counting
tcp: fix lost retransmit SNMP under-counting
sctp: get sock from transport in sctp_transport_update_pmtu
net: ethernet: ti: cpsw: fix race condition during open()
l2tp: fix PPP pseudo-wire auto-loading
bnx2x: fix spelling mistake in macros HW_INTERRUT_ASSERT_SET_*
l2tp: take reference on sessions being dumped
tcp: minimize false-positives on TCP/GRO check
sctp: check for dst and pathmtu update in sctp_packet_config
flow dissector: correct size of storage for ARP
net: ethernet: ti: cpsw: wake tx queues on ndo_tx_timeout
l2tp: take a reference on sessions used in genetlink handlers
l2tp: hold session while sending creation notifications
l2tp: fix duplicate session creation
l2tp: ensure session can't get removed during pppol2tp_session_ioctl()
l2tp: fix race in l2tp_recv_common()
sctp: use right in and out stream cnt
bpf: add various verifier test cases for self-tests
bpf, verifier: fix rejection of unaligned access checks for map_value_adj
...
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People are using bonding over Infiniband IPoIB connections, and who knows
what else. Infiniband has a hardware address length of 20 octets
(INFINIBAND_ALEN), and the network core defines a MAX_ADDR_LEN of 32.
Various places in the bonding code are currently hard-wired to 6 octets
(ETH_ALEN), such as the 3ad code, which I've left untouched here. Besides,
only alb is currently possible on Infiniband links right now anyway, due
to commit 1533e7731522, so the alb code is where most of the changes are.
One major component of this change is the addition of a bond_hw_addr_copy
function that takes a length argument, instead of using ether_addr_copy
everywhere that hardware addresses need to be copied about. The other
major component of this change is converting the bonding code from using
struct sockaddr for address storage to struct sockaddr_storage, as the
former has an address storage space of only 14, while the latter is 128
minus a few, which is necessary to support bonding over device with up to
MAX_ADDR_LEN octet hardware addresses. Additionally, this probably fixes
up some memory corruption issues with the current code, where it's
possible to write an infiniband hardware address into a sockaddr declared
on the stack.
Lightly tested on a dual mlx4 IPoIB setup, which properly shows a 20-octet
hardware address now:
$ cat /proc/net/bonding/bond0
Ethernet Channel Bonding Driver: v3.7.1 (April 27, 2011)
Bonding Mode: fault-tolerance (active-backup) (fail_over_mac active)
Primary Slave: mlx4_ib0 (primary_reselect always)
Currently Active Slave: mlx4_ib0
MII Status: up
MII Polling Interval (ms): 100
Up Delay (ms): 100
Down Delay (ms): 100
Slave Interface: mlx4_ib0
MII Status: up
Speed: Unknown
Duplex: Unknown
Link Failure Count: 0
Permanent HW addr:
80:00:02:08:fe:80:00:00:00:00:00:00:e4:1d:2d:03:00:1d:67:01
Slave queue ID: 0
Slave Interface: mlx4_ib1
MII Status: up
Speed: Unknown
Duplex: Unknown
Link Failure Count: 0
Permanent HW addr:
80:00:02:09:fe:80:00:00:00:00:00:01:e4:1d:2d:03:00:1d:67:02
Slave queue ID: 0
Also tested with a standard 1Gbps NIC bonding setup (with a mix of
e1000 and e1000e cards), running LNST's bonding tests.
CC: Jay Vosburgh <j.vosburgh@gmail.com>
CC: Veaceslav Falico <vfalico@gmail.com>
CC: Andy Gospodarek <andy@greyhouse.net>
CC: netdev@vger.kernel.org
Signed-off-by: Jarod Wilson <jarod@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can-next
Marc Kleine-Budde says:
====================
pull-request: can-next 2017-03-03
this is a pull request of 5 patches for net-next/master.
There are two patches by Yegor Yefremov which convert the ti_hecc
driver into a DT only driver, as there is no in-tree user of the old
platform driver interface anymore. The next patch by Mario Kicherer
adds network namespace support to the can subsystem. The last two
patches by Akshay Bhat add support for the holt_hi311x SPI CAN driver.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd
Pull MFD bug fix from Lee Jones:
"Increase buffer size om cros-ec to allow for SPI messages"
* tag 'mfd-fixes-4.11' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd:
mfd: cros-ec: Fix host command buffer size
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When netdev events happen, a rtnetlink_event() handler will send
messages for every event in it's white list. These messages contain
current information about a particular device, but they do not include
the iformation about which event just happened. The consumer of
the message has to try to infer this information. In some cases
(ex: NETDEV_NOTIFY_PEERS), that is not possible.
This patch adds a new extension to RTM_NEWLINK message called IFLA_EVENT
that would have an encoding of the which event triggered this
message. This would allow the the message consumer to easily determine
if it is interested in a particular event or not.
Signed-off-by: Vladislav Yasevich <vyasevic@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Define one new macro TCP_MAX_WSCALE instead of literal number '14',
and use U16_MAX instead of 65535 as the max value of TCP window.
There is another minor change, use rounddown(space, mss) instead of
(space / mss) * mss;
Signed-off-by: Gao Feng <fgao@ikuai8.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch is almost to revert commit 02f3d4ce9e81 ("sctp: Adjust PMTU
updates to accomodate route invalidation."). As t->asoc can't be NULL
in sctp_transport_update_pmtu, it could get sk from asoc, and no need
to pass sk into that function.
It is also to remove some duplicated codes from that function.
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Acked-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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cb_running is reported in /proc/self/net/netlink and it is reported by
the ss tool, when it gets information from the proc files.
sock_diag is a new interface which is used instead of proc files, so it
looks reasonable that this interface has to report no less information
about sockets than proc files.
We use these flags to dump and restore netlink sockets.
Signed-off-by: Andrei Vagin <avagin@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add all the currently available SPEED_<foo> strings.
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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For SPI, we can get up to 32 additional bytes for response preamble.
The current overhead (2 bytes) may cause problems when we try to receive
a big response. Update it to 32 bytes.
Without this fix we could see a kernel BUG when we receive a big response
from the Chrome EC when is connected via SPI.
Signed-off-by: Vic Yang <victoryang@google.com>
Tested-by: Enric Balletbo i Serra <enric.balletbo.collabora.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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This patch adds initial support for network namespaces. The changes only
enable support in the CAN raw, proc and af_can code. GW and BCM still
have their checks that ensure that they are used only from the main
namespace.
The patch boils down to moving the global structures, i.e. the global
filter list and their /proc stats, into a per-namespace structure and passing
around the corresponding "struct net" in a lot of different places.
Changes since v1:
- rebased on current HEAD (2bfe01e)
- fixed overlong line
Signed-off-by: Mario Kicherer <dev@kicherer.org>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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This patch converts TI HECC driver to DT only driver. This results in
removing ti_hecc.h containing now obsolete platform data.
Former transceiver_switch callback function will be now modelled via
regulator API.
Signed-off-by: Anton Glukhov <anton.a.glukhov@gmail.com>
Signed-off-by: Yegor Yefremov <yegorslists@googlemail.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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It's possible some configurations would prevent driver from utilizing
all the Memory Regions due to a lack of ILT lines.
In such a case, calculate how many memory regions would have to be
dropped due to limit, and manage without those.
Signed-off-by: Ram Amrani <Ram.Amrani@cavium.com>
Signed-off-by: Yuval Mintz <Yuval.Mintz@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add support for the net stats64 counters to the usbnet core. With that
in place put the hooks into every usbnet driver to use it.
This is a strait forward addition of 64bit counters for RX and TX packet
and byte counts. It is done in the same style as for the other net drivers
that support stats64. Note that the other stats fields remain as 32bit
sized values (error counts, etc).
The motivation to add this is that it is not particularly difficult to
get the RX and TX byte counts to wrap on 32bit platforms.
Signed-off-by: Greg Ungerer <gerg@linux-m68k.org>
Acked-by: Bjørn Mork <bjorn@mork.no>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Make ->hash_count, ->low_watermark and ->high_watermark unsigned int
and propagate unsignedness to other variables.
This change doesn't change code generation because these fields aren't
used in 64-bit contexts but make it anyway: these fields can't be
negative numbers.
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Flow keys aren't 4GB+ numbers so 64-bit arithmetic is excessive.
Space savings (I'm not sure what CSWTCH is):
add/remove: 0/0 grow/shrink: 0/2 up/down: 0/-48 (-48)
function old new delta
flow_cache_lookup 1163 1159 -4
CSWTCH 75997 75953 -44
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch is to move sctp_transport_dst_check into sctp_packet_config
from sctp_packet_transmit and add pathmtu check in sctp_packet_config.
With this fix, sctp can update dst or pathmtu before appending chunks,
which can void dropping packets in sctp_packet_transmit when dst is
obsolete or dst's mtu is changed.
This patch is also to improve some other codes in sctp_packet_config.
It updates packet max_size with gso_max_size, checks for dst and
pathmtu, and appends ecne chunk only when packet is empty and asoc
is not NULL.
It makes sctp flush work better, as we only need to set up them once
for one flush schedule. It's also safe, since asoc is NULL only when
the packet is created by sctp_ootb_pkt_new in which it just gets the
new dst, no need to do more things for it other than set packet with
transport's pathmtu.
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Acked-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
Acked-by: Neil Horman <nhorman@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Before when implementing sctp prsctp, SCTP_PR_STREAM_STATUS wasn't
added, as it needs to save abandoned_(un)sent for every stream.
After sctp stream reconf is added in sctp, assoc has structure
sctp_stream_out to save per stream info.
This patch is to add SCTP_PR_STREAM_STATUS by putting the prsctp
per stream statistics into sctp_stream_out.
v1->v2:
fix an indent issue.
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Acked-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://people.freedesktop.org/~thomash/linux into drm-fixes
Set of vmwgfx fixes
* 'vmwgfx-fixes-4.11' of git://people.freedesktop.org/~thomash/linux:
drm/vmwgfx: fix integer overflow in vmw_surface_define_ioctl()
drm/vmwgfx: Remove getparam error message
drm/ttm: Avoid calling drm_ht_remove from atomic context
drm/ttm, drm/vmwgfx: Relax permission checking when opening surfaces
drm/vmwgfx: avoid calling vzalloc with a 0 size in vmw_get_cap_3d_ioctl()
drm/vmwgfx: NULL pointer dereference in vmw_surface_define_ioctl()
drm/vmwgfx: Type-check lookups of fence objects
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It seems the code does not match the intent.
This broke packetdrill, and probably other programs.
Fixes: 6c7c98bad488 ("sock: avoid dirtying sk_stamp, if possible")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Paolo Abeni <pabeni@redhat.com>
Acked-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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