| Age | Commit message (Collapse) | Author |
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This patch adds support for vlan offloads for the driver and
receive header structures are also modified appropriately. Also
requestID will not be used in reveive header any more.
Signed-off-by: Derek Chickles <derek.chickles@caviumnetworks.com>
Signed-off-by: Satanand Burla <satananda.burla@caviumnetworks.com>
Signed-off-by: Felix Manlunas <felix.manlunas@caviumnetworks.com>
Signed-off-by: Raghu Vatsavayi <raghu.vatsavayi@caviumnetworks.com>
Signed-off-by: Raghu Vatsavayi <rvatsavayi@caviumnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch increases the limits of soft command buffer size and
num command buffers. This patch also has changes for queue macros
and limit related changes for new chips.
Signed-off-by: Derek Chickles <derek.chickles@caviumnetworks.com>
Signed-off-by: Satanand Burla <satananda.burla@caviumnetworks.com>
Signed-off-by: Felix Manlunas <felix.manlunas@caviumnetworks.com>
Signed-off-by: Raghu Vatsavayi <raghu.vatsavayi@caviumnetworks.com>
Signed-off-by: Raghu Vatsavayi <rvatsavayi@caviumnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Remove including <linux/version.h> that don't need it.
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Added support for new instruction header for octeon2/octeon3(ih) and
corresponding changes.
Signed-off-by: Derek Chickles <derek.chickles@caviumnetworks.com>
Signed-off-by: Satanand Burla <satananda.burla@caviumnetworks.com>
Signed-off-by: Felix Manlunas <felix.manlunas@caviumnetworks.com>
Signed-off-by: Raghu Vatsavayi <raghu.vatsavayi@caviumnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch decoupled the firmware side ifidx and host side interface
number. It also has some minor name change for linkinfo sturct field.
Signed-off-by: Derek Chickles <derek.chickles@caviumnetworks.com>
Signed-off-by: Satanand Burla <satananda.burla@caviumnetworks.com>
Signed-off-by: Felix Manlunas <felix.manlunas@caviumnetworks.com>
Signed-off-by: Raghu Vatsavayi <raghu.vatsavayi@caviumnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch is for new driver/firmware control command structure
(octnic_packet_params and octnic_cmd_setup ) and resultant code changes.
Signed-off-by: Derek Chickles <derek.chickles@caviumnetworks.com>
Signed-off-by: Satanand Burla <satananda.burla@caviumnetworks.com>
Signed-off-by: Felix Manlunas <felix.manlunas@caviumnetworks.com>
Signed-off-by: Raghu Vatsavayi <raghu.vatsavayi@caviumnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch is to refactor packet size calculations to support PTP enabled
for 66xx and 68xx cards and also other cards that do not support PTP.
Signed-off-by: Derek Chickles <derek.chickles@caviumnetworks.com>
Signed-off-by: Satanand Burla <satananda.burla@caviumnetworks.com>
Signed-off-by: Felix Manlunas <felix.manlunas@caviumnetworks.com>
Signed-off-by: Raghu Vatsavayi <raghu.vatsavayi@caviumnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch is to add page based buffers for receive side descriptors of
the driver and separate free routines for rx and tx buffers.
Signed-off-by: Derek Chickles <derek.chickles@caviumnetworks.com>
Signed-off-by: Satanand Burla <satananda.burla@caviumnetworks.com>
Signed-off-by: Felix Manlunas <felix.manlunas@caviumnetworks.com>
Signed-off-by: Raghu Vatsavayi <raghu.vatsavayi@caviumnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch is to allocate rx queue's memory based on numa node and also use
page based buffers for rx traffic improvements.
Signed-off-by: Derek Chickles <derek.chickles@caviumnetworks.com>
Signed-off-by: Satanand Burla <satananda.burla@caviumnetworks.com>
Signed-off-by: Felix Manlunas <felix.manlunas@caviumnetworks.com>
Signed-off-by: Raghu Vatsavayi <raghu.vatsavayi@caviumnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch is to allocate and manage scatter gather lists per
input queue(iq's) and remove queue's interdependence.
Signed-off-by: Derek Chickles <derek.chickles@caviumnetworks.com>
Signed-off-by: Satanand Burla <satananda.burla@caviumnetworks.com>
Signed-off-by: Felix Manlunas <felix.manlunas@caviumnetworks.com>
Signed-off-by: Raghu Vatsavayi <raghu.vatsavayi@caviumnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch is to allocate the input queues based on Numa node in tx path
and queue mapping changes based on the mapping info provided by firmware.
Signed-off-by: Derek Chickles <derek.chickles@caviumnetworks.com>
Signed-off-by: Satanand Burla <satananda.burla@caviumnetworks.com>
Signed-off-by: Felix Manlunas <felix.manlunas@caviumnetworks.com>
Signed-off-by: Raghu Vatsavayi <raghu.vatsavayi@caviumnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch is to resolve the double free issue by checking proper return
values from soft command.
Signed-off-by: Derek Chickles <derek.chickles@caviumnetworks.com>
Signed-off-by: Satanand Burla <satananda.burla@caviumnetworks.com>
Signed-off-by: Felix Manlunas <felix.manlunas@caviumnetworks.com>
Signed-off-by: Raghu Vatsavayi <raghu.vatsavayi@caviumnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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alloc_workqueue replaces deprecated create_workqueue().
A dedicated workqueue has been used since the workitem viz
(&lio->txq_status_wq.wk.work which maps to octnet_poll_check_txq_status)
is involved in a brief poll routine for checking transmit queue status
and is an intergral part of normal device operation.
WQ_MEM_RECLAIM has been set to guarantee forward progress under memory
pressure, which is a requirement here.
Since there are only a fixed number of work items, explicit concurrency
limit is unnecessary.
flush_workqueue is unnecessary since destroy_workqueue() itself calls
drain_workqueue() which flushes repeatedly till the workqueue
becomes empty.
Signed-off-by: Bhaktipriya Shridhar <bhaktipriya96@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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alloc_workqueue replaces deprecated create_workqueue().
A dedicated workqueue has been used since the workitem viz
(&db_wq->wk.work which maps to check_db_timeout) is involved
in normal device operation. WQ_MEM_RECLAIM has been set to guarantee
forward progress under memory pressure, which is a requirement here.
Since there are only a fixed number of work items, explicit concurrency
limit is unnecessary.
flush_workqueue is unnecessary since destroy_workqueue() itself calls
drain_workqueue() which flushes repeatedly till the workqueue
becomes empty.
Signed-off-by: Bhaktipriya Shridhar <bhaktipriya96@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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alloc_workqueue replaces deprecated create_workqueue().
A dedicated workqueue has been used since the workitem viz
(&cwq->wk.work which maps to oct_poll_req_completion) is involved
in normal device operation. WQ_MEM_RECLAIM has been set to guarantee
forward progress under memory pressure, which is a requirement here.
Since there are only a fixed number of work items, explicit concurrency
limit is unnecessary.
flush_workqueue is unnecessary since destroy_workqueue() itself calls
drain_workqueue() which flushes repeatedly till the workqueue
becomes empty. Hence the call to flush_workqueue() has been dropped.
Signed-off-by: Bhaktipriya Shridhar <bhaktipriya96@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Pull networking fixes and more updates from David Miller:
1) Tunneling fixes from Tom Herbert and Alexander Duyck.
2) AF_UNIX updates some struct sock bit fields with the socket lock,
whereas setsockopt() sets overlapping ones with locking. Seperate
out the synchronized vs. the AF_UNIX unsynchronized ones to avoid
corruption. From Andrey Ryabinin.
3) Mount BPF filesystem with mount_nodev rather than mount_ns, from
Eric Biederman.
4) A couple kmemdup conversions, from Muhammad Falak R Wani.
5) BPF verifier fixes from Alexei Starovoitov.
6) Don't let tunneled UDP packets get stuck in socket queues, if
something goes wrong during the encapsulation just drop the packet
rather than signalling an error up the call stack. From Hannes
Frederic Sowa.
7) SKB ref after free in batman-adv, from Florian Westphal.
8) TCP iSCSI, ocfs2, rds, and tipc have to disable BH in it's TCP
callbacks since the TCP stack runs pre-emptibly now. From Eric
Dumazet.
9) Fix crash in fixed_phy_add, from Rabin Vincent.
10) Fix length checks in xen-netback, from Paul Durrant.
11) Fix mixup in KEY vs KEYID macsec attributes, from Sabrina Dubroca.
12) RDS connection spamming bug fixes from Sowmini Varadhan
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (152 commits)
net: suppress warnings on dev_alloc_skb
uapi glibc compat: fix compilation when !__USE_MISC in glibc
udp: prevent skbs lingering in tunnel socket queues
bpf: teach verifier to recognize imm += ptr pattern
bpf: support decreasing order in direct packet access
net: usb: ch9200: use kmemdup
ps3_gelic: use kmemdup
net:liquidio: use kmemdup
bpf: Use mount_nodev not mount_ns to mount the bpf filesystem
net: cdc_ncm: update datagram size after changing mtu
tuntap: correctly wake up process during uninit
intel: Add support for IPv6 IP-in-IP offload
ip6_gre: Do not allow segmentation offloads GRE_CSUM is enabled with FOU/GUE
RDS: TCP: Avoid rds connection churn from rogue SYNs
RDS: TCP: rds_tcp_accept_worker() must exit gracefully when terminating rds-tcp
net: sock: move ->sk_shutdown out of bitfields.
ipv6: Don't reset inner headers in ip6_tnl_xmit
ip4ip6: Support for GSO/GRO
ip6ip6: Support for GSO/GRO
ipv6: Set features for IPv6 tunnels
...
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Use kmemdup when some other buffer is immediately copied into allocated
region. It replaces call to allocation followed by memcpy, by a single
call to kmemdup.
Signed-off-by: Muhammad Falak R Wani <falakreyaz@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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page_reference manipulation functions are introduced to track down
reference count change of the page. Use it instead of direct
modification of _count.
Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Cc: Hugh Dickins <hughd@google.com>
Cc: Johannes Berg <johannes@sipsolutions.net>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Sunil Goutham <sgoutham@cavium.com>
Cc: Chris Metcalf <cmetcalf@mellanox.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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In function bgx_lmac_handler only use a member of
lmac after checking it is not null.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Acked-by: David Daney <david.daney@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The nf_conntrack_core.c fix in 'net' is not relevant in 'net-next'
because we no longer have a per-netns conntrack hash.
The ip_gre.c conflict as well as the iwlwifi ones were cases of
overlapping changes.
Conflicts:
drivers/net/wireless/intel/iwlwifi/mvm/tx.c
net/ipv4/ip_gre.c
net/netfilter/nf_conntrack_core.c
Signed-off-by: David S. Miller <davem@davemloft.net>
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Reserved fields should be set to zero to avoid exposing
bits from the kernel stack.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Replace all trans_start updates with netif_trans_update helper.
change was done via spatch:
struct net_device *d;
@@
- d->trans_start = jiffies
+ netif_trans_update(d)
Compile tested only.
Cc: user-mode-linux-devel@lists.sourceforge.net
Cc: linux-xtensa@linux-xtensa.org
Cc: linux1394-devel@lists.sourceforge.net
Cc: linux-rdma@vger.kernel.org
Cc: netdev@vger.kernel.org
Cc: MPT-FusionLinux.pdl@broadcom.com
Cc: linux-scsi@vger.kernel.org
Cc: linux-can@vger.kernel.org
Cc: linux-parisc@vger.kernel.org
Cc: linux-omap@vger.kernel.org
Cc: linux-hams@vger.kernel.org
Cc: linux-usb@vger.kernel.org
Cc: linux-wireless@vger.kernel.org
Cc: linux-s390@vger.kernel.org
Cc: devel@driverdev.osuosl.org
Cc: b.a.t.m.a.n@lists.open-mesh.org
Cc: linux-bluetooth@vger.kernel.org
Signed-off-by: Florian Westphal <fw@strlen.de>
Acked-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Acked-by: Mugunthan V N <mugunthanvnm@ti.com>
Acked-by: Antonio Quartulli <a@unstable.cc>
Signed-off-by: David S. Miller <davem@davemloft.net>
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commit b7d3e3d3d21a ("net: thunderx: Don't leak phy device references
on -EPROBE_DEFER condition.") incorrectly moved the call to
of_node_put() outside of the loop. Under normal loop exit, the node
has already had of_node_put() called, so the extra call results in:
[ 8.228020] ERROR: Bad of_node_put() on /soc@0/pci@848000000000/mrml-bridge0@1,0/bgx0/xlaui00
[ 8.239433] CPU: 16 PID: 608 Comm: systemd-udevd Not tainted 4.6.0-rc1-numa+ #157
[ 8.247380] Hardware name: www.cavium.com EBB8800/EBB8800, BIOS 0.3 Mar 2 2016
[ 8.273541] Call trace:
[ 8.273550] [<fffffc0008097364>] dump_backtrace+0x0/0x210
[ 8.273557] [<fffffc0008097598>] show_stack+0x24/0x2c
[ 8.273560] [<fffffc0008399ed0>] dump_stack+0x8c/0xb4
[ 8.273566] [<fffffc00085aa828>] of_node_release+0xa8/0xac
[ 8.273570] [<fffffc000839cad8>] kobject_cleanup+0x8c/0x194
[ 8.273573] [<fffffc000839c97c>] kobject_put+0x44/0x6c
[ 8.273576] [<fffffc00085a9ab0>] of_node_put+0x24/0x30
[ 8.273587] [<fffffc0000bd0f74>] bgx_probe+0x17c/0xcd8 [thunder_bgx]
[ 8.273591] [<fffffc00083ed220>] pci_device_probe+0xa0/0x114
[ 8.273596] [<fffffc0008473fbc>] driver_probe_device+0x178/0x418
[ 8.273599] [<fffffc000847435c>] __driver_attach+0x100/0x118
[ 8.273602] [<fffffc0008471b58>] bus_for_each_dev+0x6c/0xac
[ 8.273605] [<fffffc0008473884>] driver_attach+0x30/0x38
[ 8.273608] [<fffffc00084732f4>] bus_add_driver+0x1f8/0x29c
[ 8.273611] [<fffffc0008475028>] driver_register+0x70/0x110
[ 8.273617] [<fffffc00083ebf08>] __pci_register_driver+0x60/0x6c
[ 8.273623] [<fffffc0000bf0040>] bgx_init_module+0x40/0x48 [thunder_bgx]
[ 8.273626] [<fffffc0008090d04>] do_one_initcall+0xcc/0x1c0
[ 8.273631] [<fffffc0008198abc>] do_init_module+0x68/0x1c8
[ 8.273635] [<fffffc0008125668>] load_module+0xf44/0x11f4
[ 8.273638] [<fffffc0008125b64>] SyS_finit_module+0xb8/0xe0
[ 8.273641] [<fffffc0008093b30>] el0_svc_naked+0x24/0x28
Go back to the previous (correct) code that only did the extra
of_node_put() call on early exit from the loop.
Signed-off-by: David Daney <david.daney@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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No code changes. Since OCTEON is a Cavium product, move the driver to
the vendor directory to unclutter things a bit.
Signed-off-by: David Daney <david.daney@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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It is possible, although unlikely, that probing will find the
phy_device for the first LMAC of a thunder BGX device, but then need
to fail with -EPROBE_DEFER on a subsequent LMAC. In this case, we
need to call put_device() on each of the phy_devices that were
obtained, but will be unused due to returning -EPROBE_DEFER.
Also, since we can break out of the probing loop early, we need to
explicitly call of_node_put() outside of the loop.
Signed-off-by: David Daney <david.daney@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Previously we selected MDIO_OCTEON, which after creating the Thunder
specific MDIO bus driver is much less useful.
Signed-off-by: David Daney <david.daney@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Remove the call to force the octeon-mdio driver to be loaded. Allow
the standard driver loading mechanisms to load the PHY drivers, and
use -EPROBE_DEFER to cause the BGX driver to be probed only after the
PHY drivers are available.
Reorder the setting of MAC addresses and PHY probing to allow BGX
LMACs with no attached PHY to still be assigned a MAC address.
Signed-off-by: David Daney <david.daney@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Adjusted nicvf structure such that all elements used in hot
path like napi, xmit e.t.c fall into same cache line. This reduced
no of cache misses and resulted in ~2% increase in no of packets
handled on a core.
Also modified elements with :1 notation to boolean, to be
consistent with other element definitions.
Signed-off-by: Sunil Goutham <sgoutham@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Instead of calling get_page() for every receive buffer carved out
of page, set page's usage count at the end, to reduce no of atomic
calls.
Signed-off-by: Sunil Goutham <sgoutham@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Several cases of overlapping changes, as well as one instance
(vxlan) of a bug fix in 'net' overlapping with code movement
in 'net-next'.
Signed-off-by: David S. Miller <davem@davemloft.net>
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On Thunderx pass 1.x and pass2 due to a HW errata default CQ
DROP_LEVEL of 0x80 is not sufficient to avoid CQ_WR_FULL Qset
error when packets are being received at >20Mpps resulting in
complete stall of packet reception.
This patch will configure it to 0x100 which is what is expected
by HW on Thunderx. On future passes of thunderx and other chips
HW default/reset value will be 0x100 or higher hence not overwritten.
Signed-off-by: Jerin Jacob <jerin.jacob@caviumnetworks.com>
Signed-off-by: Sunil Goutham <sgoutham@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Conflicts:
drivers/net/phy/bcm7xxx.c
drivers/net/phy/marvell.c
drivers/net/vxlan.c
All three conflicts were cases of simple overlapping changes.
Signed-off-by: David S. Miller <davem@davemloft.net>
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Counting rx packets for every CQE_RX in CQ irq handler is incorrect.
Synchronization is missing when multiple queues are receiving packets
simultaneously. Like transmit packet stats use HW stats here.
Also removed unused 'cqe_type' parameter in nicvf_rcv_pkt_handler().
Signed-off-by: Sunil Goutham <sgoutham@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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For secondary Qsets 'hw_tso' is not getting set as probe() returns
much earlier. Fixed it by moving silicon revision check.
Signed-off-by: Sunil Goutham <sgoutham@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When a interface is assigned morethan 8 queues and the logical interface
is toggled i.e down & up, additional queues or qsets are not initialized
as secondary qset count is being set to zero while tearing down.
Signed-off-by: Sunil Goutham <sgoutham@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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smatch detected a suspicious looking bitop condition:
drivers/net/ethernet/cavium/liquidio/lio_main.c:2529
handle_timestamp() warn: suspicious bitop condition
(skb_shinfo(skb)->tx_flags | SKBTX_IN_PROGRESS is always non-zero,
so the logic is definitely not correct. Use & to mask the correct
bit.
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The return value of vmalloc on failure of allocation of memory should
be -ENOMEM and not -1.
Found using Coccinelle. A simplified version of the semantic patch
used is:
//<smpl>
@@
expression *e;
identifier l1;
position p,q;
@@
e@q = vmalloc(...);
if@p (e == NULL) {
...
goto l1;
}
l1:
...
return -1
+ -ENOMEM
;
//</smpl
The single call site of the containing function checks whether the
returned value is -1, so this check is changed as well. The single call
site of this call site, however, only checks whether the value is not 0,
so no further change was required.
Signed-off-by: Amitoj Kaur Chawla <amitoj1606@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Allocate higher order pages when pagesize is small, this will
reduce number of calls to page allocator and wastage of memory.
Signed-off-by: Sunil Goutham <sgoutham@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Robert Richter <rrichter@cavium.com>
Signed-off-by: Sunil Goutham <sgoutham@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In the case of OF device tree, the firmware information is attached to
the BGX device structure in the standard manner, so use the firmware
iterators and accessors where possible.
Signed-off-by: David Daney <david.daney@cavium.com>
Signed-off-by: Sunil Goutham <sgoutham@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This affinity hint can be used by user space irqbalance tool to set
preferred CPU mask for irqs registered by this VF. Irqbalance needs
to be in 'exact' mode to set irq affinity same as indicated by
affinity hint.
Signed-off-by: Sunil Goutham <sgoutham@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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napi_schedule is being called from hard irq context, hence
switch to napi_schedule_irqoff which avoids unneeded call
to local_irq_save and local_irq_restore.
Signed-off-by: Sunil Goutham <sgoutham@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When system is low on atomic memory, too many error messages are logged.
Since this is not a total failure but a simple switch to non-atomic allocation
better to have a stat.
Also add a stat for reset, kicked due to transmit watchdog timeout.
Signed-off-by: Thanneeru Srinivasulu <tsrinivasulu@caviumnetworks.com>
Signed-off-by: Sunil Goutham <sgoutham@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Convert the driver to use ns_to_timespec64() to keep consistency
with timespec64_to_ns() instead of open coding the same logic.
Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Conflicts:
drivers/net/geneve.c
Here we had an overlapping change, where in 'net' the extraneous stats
bump was being removed whilst in 'net-next' the final argument to
udp_tunnel6_xmit_skb() was being changed.
Signed-off-by: David S. Miller <davem@davemloft.net>
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This feature is introduced in pass-2 chip and with this CQ interrupt
coalescing will work based on both timer and count.
Signed-off-by: Sunil Goutham <sgoutham@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This adds support for offloading TCP segmentation to HW in pass-2
revision of hardware. Both driver level SW TSO for pass1.x chips
and HW TSO for pass-2 chip will co-exist. Modified SQ descriptor
structures to reflect pass-2 hw implementation.
Signed-off-by: Sunil Goutham <sgoutham@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Commit bc69fdfc6c13
("net: thunderx: Enable BGX LMAC's RX/TX only after VF is up")
introduces lmac_cnt member and starts verifying VF number against it.
This is plain wrong, and works only because currently we have hardcoded
1:1 mapping between VFs and LMACs, and in this case num_vf_en and
lmac_cnt are always equal. However in future this may change, and the
code will badly misbehave. The worst consequence of this is failure to
deliver link status messages, causing VFs to go defunct because since
commit 0b72a9a1060e ("net: thunderx: Switchon carrier only upon
interface link up") VF will not fully bring itself up without it.
This patch fixes the potential problem by doing VF number checks against
the num_vf_en. Since lmac_cnt is not used anywhere else, it is removed.
Additionally some duplicated code is factored out into nic_enable_vf()
Signed-off-by: Pavel Fedin <p.fedin@samsung.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Since we have moved on to using allocated pages to carve receive
buffers instead of netdev_alloc_skb() there is no need to store
any pointers for later retrieval. Earlier we had to store
skb and skb->data pointers which later are used to handover
received packet to network stack.
This will avoid an unnecessary cache miss as well.
Signed-off-by: Sunil Goutham <sgoutham@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The same switch-case repeates for nivc_*_intr functions.
In this patch it is moved to a helper nicvf_int_type_to_mask().
By the way:
- Unneeded write to NICVF register dropped if int_type is unknown.
- netdev_dbg() is used instead of netdev_err().
Signed-off-by: Yury Norov <yury.norov@auriga.com>
Signed-off-by: Aleksey Makarov <aleksey.makarov@caviumnetworks.com>
Acked-by: Vadim Lomovtsev <Vadim.Lomovtsev@caiumnetworks.com>
Signed-off-by: Sunil Goutham <sgoutham@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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