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Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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I also fix commit 8b32ab9e6ef1: use nla_total_size_64bit() for
OVS_FLOW_ATTR_USED in ovs_flow_cmd_msg_size().
Fixes: 8b32ab9e6ef1 ("ovs: use nla_put_u64_64bit()")
Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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I also fix the value of INET_DIAG_MAX. It's wrong since commit 8f840e47f190
which is only in net-next right now, thus I didn't make a separate patch.
Fixes: 8f840e47f190 ("sctp: add the sctp_diag.c file")
Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Acked-by: Jan Kara <jack@suse.cz>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Tom Herbert says:
====================
ila: Support for checksum neutral translations
This patch set updates ILA to support draft-herbert-nvo3-ila-02. The
primary addition is support checksum neutral ILA translation.
This allows address to be performed and still keep any transport
layer checksums that include the addresses in their pseudo header to
still be correct without the translator needing to parse L4.
Other items are:
- Structures for ILA addresses, identifiers, locators
- Disallow translation on non-ILA addresses (check by
type in identifier).
- Change xlat (nf_input) to translates solely based
on matching locators not identifiers (since identifiers
are not obfuscated by checksum neutral).
- Side effect if above is that multiple ILA domains are
supported. Each local locator can map to a different
SIR address (ILA domain), and each domain defines its
own identifier space.
Tested: Ran TCP_RR with 200 cnxs. ILA performance is slightly better
than previously since we are not longer parsing L4 for checksum
handling. I amd seeing about 1% performance overhead. Also ran
TCP_STREAM and tested non-ILA address (type=0) are not translated.
v2: Fix compilation errors
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Support checksum neutral ILA as described in the ILA draft. The low
order 16 bits of the identifier are used to contain the checksum
adjustment value.
The csum-mode parameter is added to described checksum processing. There
are three values:
- adjust transport checksum (previous behavior)
- do checksum neutral mapping
- do nothing
On output the csum-mode in the ila_params is checked and acted on. If
mode is checksum neutral mapping then to mapping and set C-bit.
On input, C-bit is checked. If it is set checksum-netural mapping is
done (regardless of csum-mode in ila params) and C-bit will be cleared.
If it is not set then action in csum-mode is taken.
Signed-off-by: Tom Herbert <tom@herbertland.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Change model of xlat to be used only for input where lookup is done on
the locator part of an address (comparing to locator_match as key
in rhashtable). This is needed for checksum neutral translation
which obfuscates the low order 16 bits of the identifier. It also
permits hosts to be in muliple ILA domains (each locator can map
to a different SIR address). A check is also added to disallow
translating non-ILA addresses (check of type in identifier).
Signed-off-by: Tom Herbert <tom@herbertland.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add structures for identifiers, locators, and an ila address which
is composed of a locator and identifier and in6_addr can be cast to
it. This includes a three bit type field and enums for the types defined
in ILA I-D.
In ILA lwt don't allow user to set a translation for a non-ILA
address (type of identifier is zero meaning it is an IID). This also
requires that the destination prefix is at least 65 bytes (64
bit locator and first byte of identifier).
Signed-off-by: Tom Herbert <tom@herbertland.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The first argument of pci_free_consistent has type struct pci_dev *, so use
NULL instead of 0.
The semantic patch that performs this transformation is as follows:
(http://coccinelle.lip6.fr/)
// <smpl>
@@
@@
pci_free_consistent(
- 0
+ NULL
, ...)
// </smpl>
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Yisen Zhuang says:
====================
net: hns: add support of debug dsaf device
There are two kinds of dsaf device in hns, one is for service ports,
contains crossbar in it, can work under different mode. Another is for
debug port, only can work under single port mode. The current code only
declares a dsaf device for both service ports and debug ports.It is not so
readability. This patch separates it to three platform devices to make the
code more simple and readability.
The diagram of all port in one platform device(old):
CPU
|
| DSAF(one platform device)
-------------------------------------------------------------- /
| | | | | /
| PPE PPE PPE | /
| | | | | /
| | | | | /
| crossbar | | | /
| | | | |/
| ----------------------------------- | | |
| | | | | | | | | |
| | | | | | | | | |
| MAC MAC MAC MAC MAC MAC MAC MAC |
| | | | | | | | | |
--------------------------------------------------------------
| | | | | | | |
PHY PHY PHY PHY PHY PHY PHY PHY
The diagram of separating ports to three platform(new):
CPU
|
-----------------------------------
| | |
---------------------------------------------- --------- ---------
| | | | | | | |
| PPE | | PPE | | PPE |
| | | | | | | | |
| | | | | | | | |
| crossbar | | | | | | |
| | | | | | | | |
| ---------------------------------- | | | | | | |
| | | | | | | | | | | | | |
| | | | | | | | | | | | | |
| MAC MAC MAC MAC MAC MAC | | MAC | | MAC |
| | | | | | | | | | | | | |
---------------------------------------------- --------- ---------
| | | | | | \ / | / |
PHY PHY PHY PHY PHY PHY \ / PHY / PHY
\ / /
\ / /
DSAF(three platform device)
We take the compatibility into consideration, and it works well by using the
old dts file(tested on d02 board).
For more details, please see individual patches.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Because debug dsaf port was separated from service dsaf port, this patch
updates the related configurations of hns dts, changes it to match with
the new binding files. This also removes enet nodes which don't exist in
d02 board.
Signed-off-by: Yisen Zhuang <yisen.zhuang@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch adds description for port-idx-in-ae attribute.
Signed-off-by: Yisen Zhuang <yisen.zhuang@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Because debug dsaf port was separated from service dsaf port, this patch
updates the related information of DT binding.
Signed-off-by: Yisen Zhuang <yisen.zhuang@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Port mode offset for each dsaf port is different. The current code is not
so readability. This patch adds configuration named port-mode-offset to
make the code simple and more readability. If port-mode-offset isn't
exists, default value 0 will be used.
Signed-off-by: Daode Huang <huangdaode@hisilicon.com>
Signed-off-by: Yisen Zhuang <Yisen.Zhuang@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The reset offset for each port in a dsaf is different. The current code is
not so readability. This patch adds configuration named port-rst-offset to
make the code simple and more readability. If this attribute doesn't exist,
default value of this attribute is equal to its port index.
Signed-off-by: Yisen Zhuang <yisen.zhuang@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch adds attribute cpld_ctrl for dsaf port node, parses the syscon
for mac_cb from dts, and changes the method of access the cpld related
registers through syscon.
Signed-off-by: Daode Huang <huangdaode@hisilicon.com>
Signed-off-by: Yisen Zhuang <yisen.zhuang@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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There are two kinds of dsaf device in hns, one is for service ports,
contains crossbar in it, can work under different mode. Another is for
debug port, only can work under "single-port" mode. The current code only
declared a dsaf device for both service ports and debug ports. This patch
separate it to three platform devices.
Here is the diagram of all port in one platform device(old):
CPU
|
| DSAF(one platform device)
-------------------------------------------------------------- /
| | | | | /
| PPE PPE PPE | /
| | | | | /
| | | | | /
| crossbar | | | /
| | | | |/
| ----------------------------------- | | |
| | | | | | | | | |
| | | | | | | | | |
| MAC MAC MAC MAC MAC MAC MAC MAC |
| | | | | | | | | |
--------------------------------------------------------------
| | | | | | | |
PHY PHY PHY PHY PHY PHY PHY PHY
Here is the diagram of separate all ports to three platform(new):
CPU
|
-----------------------------------
| | |
---------------------------------------------- --------- ---------
| | | | | | | |
| PPE | | PPE | | PPE |
| | | | | | | | |
| | | | | | | | |
| crossbar | | | | | | |
| | | | | | | | |
| ---------------------------------- | | | | | | |
| | | | | | | | | | | | | |
| | | | | | | | | | | | | |
| MAC MAC MAC MAC MAC MAC | | MAC | | MAC |
| | | | | | | | | | | | | |
---------------------------------------------- --------- ---------
| | | | | | \ / | / |
PHY PHY PHY PHY PHY PHY \ / PHY / PHY
\ / /
\ / /
DSAF(three platform device)
Signed-off-by: Daode Huang <huangdaode@hisilicon.com>
Signed-off-by: Yisen Zhuang <yisen.zhuang@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch tunes the header file by the alphabetical order.
Signed-off-by: Daode Huang <huangdaode@hisilicon.com>
Signed-off-by: Yisen Zhuang <yisen.zhuang@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch provides the read/write function for dsaf to
access the registers through syscon methods.
Signed-off-by: Daode Huang <huangdaode@hisilicon.com>
Signed-off-by: Yisen Zhuang <yisen.zhuang@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add the subctrl reset offset for dsaf, this property is used to reset
xge/ge ports for different dsaf. If this attribute is not present,
default value 0 will be used.
Signed-off-by: Daode Huang <huangdaode@hisilicon.com>
Signed-off-by: Yisen Zhuang <yisen.zhuang@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch parse port-idx-in-ae in enet node. In NIC mode of DSAF, all 6
PHYs of service DSAF are taken as ethernet ports to the CPU. The
port-idx-in-ae can be 0 to 5. Here is the diagram:
+-----+---------------+
| CPU |
+-+-+-+---+-+-+-+-+-+-+
| | | | | | | |
debug debug service
port port port
(0) (0) (0-5)
In Switch mode of DSAF, all 6 PHYs of service DSAF are taken as physical
ports connect to a LAN Switch while the CPU side assume itself have one
single NIC connect to this switch. In this case, the port-idx-in-ae will
be 0 only.
+-----+-----+------+------+
| CPU |
+-+-+-+-+-+-+-+-+-+-+-+-+-+
| | service| port(0)
debug debug +------------+
port port | switch |
(0) (0) +-+-+-+-+-+-++
| | | | | |
external port
when port-idx-in-ae is not exists, old attribute port-id will be used
(only for compatible purpose, not recommended to use port-id in new code).
Signed-off-by: Daode Huang <huangdaode@hisilicon.com>
Signed-off-by: Yisen Zhuang <yisen.zhuang@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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As debug ports are moved from service dsaf to debug dsaf,
the interrupts offset should start from 0, So this patch
re-defines the offset index of debug ports.
Signed-off-by: Daode Huang <huangdaode@hisilicon.com>
Signed-off-by: Yisen Zhuang <yisen.zhuang@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch adds a new dsaf mode named "single-port" mode for debug port.
This mode only contains one debug port. This patch also changes the
method of distinguishing the port type.
Signed-off-by: Daode Huang <huangdaode@hisilicon.com>
Signed-off-by: Yisen Zhuang <yisen.zhuang@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Sowmini Varadhan says:
====================
pskb_extract() helper function.
This patchset follows up on the discussion in
https://www.mail-archive.com/netdev@vger.kernel.org/msg105090.html
For RDS-TCP, we have to deal with the full gamut of
nonlinear sk_buffs, including all the frag_list variants.
Also, the parent skb has to remain unchanged, while the clone
is queued for Rx on the PF_RDS socket.
Patch 1 of this patchset adds a pskb_extract() function that
does all this without the redundant memcpy's in pskb_expand_head()
and __pskb_pull_tail().
v2: Marcelo Leitner review comments
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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rds-stress experiments with request size 256 bytes, 8K acks,
using 16 threads show a 40% improvment when pskb_extract()
replaces the {skb_clone(..); pskb_pull(..); pskb_trim(..);}
pattern in the Rx path, so we leverage the perf gain with
this commit.
Signed-off-by: Sowmini Varadhan <sowmini.varadhan@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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A pattern of skb usage seen in modules such as RDS-TCP is to
extract `to_copy' bytes from the received TCP segment, starting
at some offset `off' into a new skb `clone'. This is done in
the ->data_ready callback, where the clone skb is queued up for rx on
the PF_RDS socket, while the parent TCP segment is returned unchanged
back to the TCP engine.
The existing code uses the sequence
clone = skb_clone(..);
pskb_pull(clone, off, ..);
pskb_trim(clone, to_copy, ..);
with the intention of discarding the first `off' bytes. However,
skb_clone() + pskb_pull() implies pksb_expand_head(), which ends
up doing a redundant memcpy of bytes that will then get discarded
in __pskb_pull_tail().
To avoid this inefficiency, this commit adds pskb_extract() that
creates the clone, and memcpy's only the relevant header/frag/frag_list
to the start of `clone'. pskb_trim() is then invoked to trim clone
down to the requested to_copy bytes.
Signed-off-by: Sowmini Varadhan <sowmini.varadhan@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This works on the same implementation principle as
codel*.h, i.e. there's a generic header with
structures and macros and a implementation header
carrying function definitions to include in given,
e.g. driver or module.
The fairness logic comes from
net/sched/sch_fq_codel.c but is generalized so it
is more flexible and easier to re-use.
Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Michal Kazior says:
====================
codel: make it reuseable beyond qdiscs
There's an ongoing effort in fixing wireless
bufferbloat. As part of that fq_codel is being
ported into mac80211. To prevent code duplication
codel.h needs to be slightly modified before it
can be used in mac80211 (or other drivers FWIW).
For more background please see:
https://www.spinics.net/lists/linux-wireless/msg149976.html
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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It was impossible to include codel.h for the
purpose of having access to codel_params or
codel_vars structure definitions and using them
for embedding in other more complex structures.
This splits allows codel.h itself to be treated
like any other header file while codel_qdisc.h and
codel_impl.h contain function definitions with
logic that was previously in codel.h.
This copies over copyrights and doesn't involve
code changes other than adding a few additional
include directives to net/sched/sch*codel.c.
Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This strips out qdisc specific bits from the code
and makes it slightly more reusable. Codel will be
used by wireless/mac80211 in the future.
Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Phil Sutter <phil@nwl.cc>
Acked-by: Sabrina Dubroca <sd@queasysnail.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Commit 751a587ac9f9 ("route: fix breakage after moving lwtunnel state")
moved lwtstate to the end of dst_entry for 32bit archs. This makes it share
the cacheline with __refcnt which had an unkown effect on performance. For
this reason, the pointer was kept in place for 64bit archs.
However, later performance measurements showed this is of no concern. It
turns out that every performance sensitive path that accesses lwtstate
accesses also struct rtable or struct rt6_info which share the same cache
line.
Thus, to get rid of a few #ifdefs, move the field to the end of the struct
also for 64bit.
Signed-off-by: Jiri Benc <jbenc@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Yuval Mintz says:
====================
qed*: driver updates
[Was previous termed 'eeprom access et al.', but seemed a bit
inappropriate given we've dropped the eeprom patch for now.
Still waiting for some inputs on that one, BTW]
This patch series contains some ethtool-related enhancements.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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The APIs for making this sort of configuration [e.g., via ethtool] are
already present in qede, but the current configuration flow in qed doesn't
respect it.
Signed-off-by: Sudarsana Reddy Kalluru <sudarsana.kalluru@qlogic.com>
Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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There's some inconsistency in current logic determining whether the
link settings of a given interface can be changed; I.e., in all modes
other than the so-called `deault' mode the interfaces are forbidden from
changing the configuration - but even this rule is not applied to all
user APIs that may change the configuration.
Instead, let the core-module [qed] decide whether an interface can change
the configuration by supporting a new API function. We also revise the
current rule, allowing all interfaces to change their configurations while
laying the infrastructure for future modes where an interface would be
blocked from making such a configuration.
Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Adds a getter for the interfaces private flags.
The only parameter currently supported is whether the interface is a
coupled function [required for supporting 100g].
Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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There's a difference in statsitics' names starting at qed and
propagating to qede, where egress counters indicate ranges while ingress
counters indiciate high-end.
Align all statistcs to follow the same conventions - name indicates range.
Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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We should call consume_skb(skb) when skb is properly consumed,
or kfree_skb(skb) when skb must be dropped in error case.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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We now have proper per-listener but also per network namespace counters
for SYN packets that might be dropped.
We replace the kfree_skb() by consume_skb() to be drop monitor [1]
friendly, and remove an obsolete comment.
FastOpen SYN packets can carry payload in them just fine.
[1] perf record -a -g -e skb:kfree_skb sleep 1; perf report
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Jeff Kirsher says:
====================
10GbE Intel Wired LAN Driver Updates 2016-04-25
This series contains updates to ixgbe and ixgbevf.
Emil provides several patches, starting with the consolidation of the
logic behind configuring spoof checking. Fixed an issue which was
causing link issues for backplane devices because x550em_a/x devices
did not have a default value for mac->ops.setup_link. Refactored the
ethtool stats to bring the logic closer to how ixgbe handles stats and
sets up per-queue stats for ixgbevf.
Mark adds a new register to wait for previous register writes to complete
before issuing a register read, which is needed when slower links are
in use. Fixed the flow control setup for x550em_a, the incorrect
fc_setup function was being used.
Don added a workaround for empty SFP+ cage crosstalk, since on some
systems the crosstalk could lead to link flap on empty SFP+ cages.
Jake converts ixgbe and ixgbevf to use the BIT() macro.
Alex Duyck adds support for partial GSO segmentation in the case of
tunnels for ixgbe and ixgbevf. Then preps for HyperV by moving the API
negotiation into mac_ops.
Arnd Bergmann provides a fix for the ARM compile warnings in linux-next
by converting the use of a udelay() to msleep().
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Nicolas Dichtel says:
====================
netlink: align attributes when needed (patchset #2)
This is the continuation (series #2) of the work done to align netlink
attributes when these attributes contain some 64-bit fields.
In patch #3, I didn't modify the function ila_encap_nlsize(). I was waiting
feedback for this patch: http://patchwork.ozlabs.org/patch/613766/
If it's approved, there will be an update to switch nla_total_size() to
nla_total_size_64bit() after the merge of net in net-next.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Nicolas Dichtel
David S. Miller
Tom Herbert
Julia Lawall
Yisen.Zhuang\(Zhuangyuzeng\)
Daode Huang
Sowmini Varadhan
Michal Kazior
Phil Sutter
Jiri Benc
Sudarsana Reddy Kalluru
Yuval Mintz
Eric Dumazet