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Add framer support in the fsl_qmc_hdlc driver in order to be able to
signal carrier changes to the network stack based on the framer status
Also use this framer to provide information related to the E1/T1 line
interface on IF_GET_IFACE and configure the line interface according to
IF_IFACE_{E1,T1} information.
Signed-off-by: Herve Codina <herve.codina@bootlin.com>
Reviewed-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
QMC channels support runtime timeslots changes but nothing is done at
the QMC HDLC driver to handle these changes.
Use existing IFACE ioctl in order to configure the timeslots to use.
Signed-off-by: Herve Codina <herve.codina@bootlin.com>
Reviewed-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Acked-by: Jakub Kicinski <kuba@kernel.org>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
These helpers scatters or gathers a bitmap with the help of the mask
position bits parameter.
bitmap_scatter() does the following:
src: 0000000001011010
||||||
+------+|||||
| +----+||||
| |+----+|||
| || +-+||
| || | ||
mask: ...v..vv...v..vv
...0..11...0..10
dst: 0000001100000010
and bitmap_gather() performs this one:
mask: ...v..vv...v..vv
src: 0000001100000010
^ ^^ ^ 0
| || | 10
| || > 010
| |+--> 1010
| +--> 11010
+----> 011010
dst: 0000000000011010
bitmap_gather() can the seen as the reverse bitmap_scatter() operation.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/lkml/20230926052007.3917389-3-andriy.shevchenko@linux.intel.com/
Co-developed-by: Herve Codina <herve.codina@bootlin.com>
Signed-off-by: Herve Codina <herve.codina@bootlin.com>
Acked-by: Yury Norov <yury.norov@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
After contributing the driver, add myself as the maintainer for the
Freescale QMC HDLC driver.
Signed-off-by: Herve Codina <herve.codina@bootlin.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The QMC HDLC driver provides support for HDLC using the QMC (QUICC
Multichannel Controller) to transfer the HDLC data.
Signed-off-by: Herve Codina <herve.codina@bootlin.com>
Reviewed-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Acked-by: Jakub Kicinski <kuba@kernel.org>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Tony Nguyen says:
====================
ethtool: ice: Support for RSS settings to GTP
Takeru Hayasaka enables RSS functionality for GTP packets on ice driver
with ethtool.
A user can include TEID and make RSS work for GTP-U over IPv4 by doing the
following:`ethtool -N ens3 rx-flow-hash gtpu4 sde`
In addition to gtpu(4|6), we now support gtpc(4|6),gtpc(4|6)t,gtpu(4|6)e,
gtpu(4|6)u, and gtpu(4|6)d.
gtpc(4|6): Used for GTP-C in IPv4 and IPv6, where the GTP header format does
not include a TEID.
gtpc(4|6)t: Used for GTP-C in IPv4 and IPv6, with a GTP header format that
includes a TEID.
gtpu(4|6): Used for GTP-U in both IPv4 and IPv6 scenarios.
gtpu(4|6)e: Used for GTP-U with extended headers in both IPv4 and IPv6.
gtpu(4|6)u: Used when the PSC (PDU session container) in the GTP-U extended
header includes Uplink, applicable to both IPv4 and IPv6.
gtpu(4|6)d: Used when the PSC in the GTP-U extended header includes Downlink,
for both IPv4 and IPv6.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
This series adds support for combining multiple devices (PFs) of the
same port under one netdev instance. Passing traffic through different
devices belonging to different NUMA sockets saves cross-numa traffic and
allows apps running on the same netdev from different numas to still
feel a sense of proximity to the device and achieve improved
performance.
We achieve this by grouping PFs together, and creating the netdev only
once all group members are probed. Symmetrically, we destroy the netdev
once any of the PFs is removed.
The channels are distributed between all devices, a proper configuration
would utilize the correct close numa when working on a certain app/cpu.
We pick one device to be a primary (leader), and it fills a special
role. The other devices (secondaries) are disconnected from the network
in the chip level (set to silent mode). All RX/TX traffic is steered
through the primary to/from the secondaries.
Currently, we limit the support to PFs only, and up to two devices
(sockets).
V6:
- Address documentation comments from Jakub.
V5:
- Address documentation comments from Przemek Kitszel.
V4:
- Improve documentation for better user observability and understanding
of the feature, in terms of queues and their expected NUMA/CPU/IRQ
affinity.
V3:
- Fix documentation per Jakubs feedback.
- Fix typos
- Link new documentation in the networking index.rst
V2:
- Add documentation in a new patch.
- Add debugfs in a new patch.
- Add mlx5_ifc bit for MPIR cap check and use it before query.
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Merge tag 'mlx5-socket-direct-v3' of git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux
Saeed Mahameed says:
====================
Support Multi-PF netdev (Socket Direct)
This series adds support for combining multiple devices (PFs) of the
same port under one netdev instance. Passing traffic through different
devices belonging to different NUMA sockets saves cross-numa traffic and
allows apps running on the same netdev from different numas to still
feel a sense of proximity to the device and achieve improved
performance.
We achieve this by grouping PFs together, and creating the netdev only
once all group members are probed. Symmetrically, we destroy the netdev
once any of the PFs is removed.
The channels are distributed between all devices, a proper configuration
would utilize the correct close numa when working on a certain app/cpu.
We pick one device to be a primary (leader), and it fills a special
role. The other devices (secondaries) are disconnected from the network
in the chip level (set to silent mode). All RX/TX traffic is steered
through the primary to/from the secondaries.
Currently, we limit the support to PFs only, and up to two devices
(sockets).
* tag 'mlx5-socket-direct-v3' of git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux:
Documentation: networking: Add description for multi-pf netdev
net/mlx5: Enable SD feature
net/mlx5e: Block TLS device offload on combined SD netdev
net/mlx5e: Support per-mdev queue counter
net/mlx5e: Support cross-vhca RSS
net/mlx5e: Let channels be SD-aware
net/mlx5e: Create EN core HW resources for all secondary devices
net/mlx5e: Create single netdev per SD group
net/mlx5: SD, Add debugfs
net/mlx5: SD, Add informative prints in kernel log
net/mlx5: SD, Implement steering for primary and secondaries
net/mlx5: SD, Implement devcom communication and primary election
net/mlx5: SD, Implement basic query and instantiation
net/mlx5: SD, Introduce SD lib
net/mlx5: Add MPIR bit in mcam_access_reg
====================
Link: https://lore.kernel.org/r/20240307084229.500776-1-saeed@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
- hci_conn: Only do ACL connections sequentially
- hci_core: Cancel request on command timeout
- Remove CONFIG_BT_HS
- btrtl: Add the support for RTL8852BT/RTL8852BE-VT
- btusb: Add support Mediatek MT7920
- btusb: Add new VID/PID 13d3/3602 for MT7925
- Add new quirk for broken read key length on ATS2851
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Merge tag 'for-net-next-2024-03-08' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next
Luiz Augusto von Dentz says:
====================
bluetooth-next pull request for net-next:
- hci_conn: Only do ACL connections sequentially
- hci_core: Cancel request on command timeout
- Remove CONFIG_BT_HS
- btrtl: Add the support for RTL8852BT/RTL8852BE-VT
- btusb: Add support Mediatek MT7920
- btusb: Add new VID/PID 13d3/3602 for MT7925
- Add new quirk for broken read key length on ATS2851
* tag 'for-net-next-2024-03-08' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next: (52 commits)
Bluetooth: hci_sync: Fix UAF in hci_acl_create_conn_sync
Bluetooth: Fix eir name length
Bluetooth: ISO: Align broadcast sync_timeout with connection timeout
Bluetooth: Add new quirk for broken read key length on ATS2851
Bluetooth: mgmt: remove NULL check in add_ext_adv_params_complete()
Bluetooth: mgmt: remove NULL check in mgmt_set_connectable_complete()
Bluetooth: btusb: Add support Mediatek MT7920
Bluetooth: btmtk: Add MODULE_FIRMWARE() for MT7922
Bluetooth: btnxpuart: Fix btnxpuart_close
Bluetooth: ISO: Clean up returns values in iso_connect_ind()
Bluetooth: fix use-after-free in accessing skb after sending it
Bluetooth: af_bluetooth: Fix deadlock
Bluetooth: bnep: Fix out-of-bound access
Bluetooth: btusb: Fix memory leak
Bluetooth: msft: Fix memory leak
Bluetooth: hci_core: Fix possible buffer overflow
Bluetooth: btrtl: fix out of bounds memory access
Bluetooth: hci_h5: Add ability to allocate memory for private data
Bluetooth: hci_sync: Fix overwriting request callback
Bluetooth: hci_sync: Use QoS to determine which PHY to scan
...
====================
Link: https://lore.kernel.org/r/20240308181056.120547-1-luiz.dentz@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Stefan Schmidt says:
====================
pull-request: ieee802154-next 2024-03-07
Various cross tree patches for ieee802154v drivers and a resource leak
fix for ieee802154 llsec.
Andy Shevchenko changed GPIO header usage for at86rf230 and mcr20a to
only include needed headers.
Bo Liu converted the at86rf230, mcr20a and mrf24j40 driver regmap
support to use the maple tree register cache.
Fedor Pchelkin fixed a resource leak in the llsec key deletion path.
Ricardo B. Marliere made wpan_phy_class const.
Tejun Heo removed WQ_UNBOUND from a workqueue call in ca8210.
* tag 'ieee802154-for-net-next-2024-03-07' of git://git.kernel.org/pub/scm/linux/kernel/git/wpan/wpan-next:
ieee802154: cfg802154: make wpan_phy_class constant
ieee802154: mcr20a: Remove unused of_gpio.h
ieee802154: at86rf230: Replace of_gpio.h by proper one
mac802154: fix llsec key resources release in mac802154_llsec_key_del
ieee802154: ca8210: Drop spurious WQ_UNBOUND from alloc_ordered_workqueue() call
net: ieee802154: mrf24j40: convert to use maple tree register cache
net: ieee802154: mcr20a: convert to use maple tree register cache
net: ieee802154: at86rf230: convert to use maple tree register cache
====================
Link: https://lore.kernel.org/r/20240307195105.292085-1-stefan@datenfreihafen.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
There is no point cloning an skb and having to free the clone
if the receive queue of the raw socket is full.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Willem de Bruijn <willemb@google.com>
Link: https://lore.kernel.org/r/20240307163020.2524409-1-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
There is no point cloning an skb and having to free the clone
if the receive queue of the raw socket is full.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Willem de Bruijn <willemb@google.com>
Link: https://lore.kernel.org/r/20240307162943.2523817-1-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The only error that can happen during a nexthop dump is insufficient
space in the skb caring the netlink messages (EMSGSIZE). If this happens
and some messages were already filled in, the nexthop code returns the
skb length to signal the netlink core that more objects need to be
dumped.
After commit b5a899154a ("netlink: handle EMSGSIZE errors in the
core") there is no need to handle this error in the nexthop code as it
is now handled in the core.
Simplify the code and simply return the error to the core.
No regressions in nexthop tests:
# ./fib_nexthops.sh
Tests passed: 234
Tests failed: 0
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Link: https://lore.kernel.org/r/20240307154727.3555462-1-idosch@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Similar to skb_unref(), add skb_data_unref() to save an expensive
atomic operation (and cache line dirtying) when last reference
on shinfo->dataref is released.
I saw this opportunity on hosts with RAW sockets accidentally
bound to UDP protocol, forcing an skb_clone() on all received packets.
These RAW sockets had their receive queue full, so all clone
packets were immediately dropped.
When UDP recvmsg() consumes later the original skb, skb_release_data()
is hitting atomic_sub_return() quite badly, because skb->clone
has been set permanently.
Note that this patch helps TCP TX performance, because
TCP stack also use (fast) clones.
This means that at least one of the two packets (the main skb or
its clone) will no longer have to perform this atomic operation
in skb_release_data().
Signed-off-by: Eric Dumazet <edumazet@google.com>
Link: https://lore.kernel.org/r/20240307123446.2302230-1-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The fourth "new features" pull request for v6.9 with changes both in
stack and in drivers. The theme in this pull request is to fix sparse
warnings but we still have some left in wireless subsystem. Otherwise
quite normal.
Major changes:
rtw89
* NL80211_EXT_FEATURE_SCAN_RANDOM_SN support
* NL80211_EXT_FEATURE_SET_SCAN_DWELL support
rtw88
* support for more rtw8811cu and rtw8821cu devices
mt76
* mt76x2u: add Netgear WNDA3100v3 USB
* mt7915: newer ADIE version support
* mt7925: radio temperature sensor support
* mt7996: remove GCMP IGTK offload
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Merge tag 'wireless-next-2024-03-08' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next
Kalle Valo says:
====================
wireless-next patches for v6.9
The fourth "new features" pull request for v6.9 with changes both in
stack and in drivers. The theme in this pull request is to fix sparse
warnings but we still have some left in wireless subsystem. Otherwise
quite normal.
Major changes:
rtw89
* NL80211_EXT_FEATURE_SCAN_RANDOM_SN support
* NL80211_EXT_FEATURE_SET_SCAN_DWELL support
rtw88
* support for more rtw8811cu and rtw8821cu devices
mt76
* mt76x2u: add Netgear WNDA3100v3 USB
* mt7915: newer ADIE version support
* mt7925: radio temperature sensor support
* mt7996: remove GCMP IGTK offload
* tag 'wireless-next-2024-03-08' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next: (125 commits)
wifi: rtw89: wow: move release offload packet earlier for WoWLAN mode
wifi: rtw89: wow: set security engine options for 802.11ax chips only
wifi: rtw89: update suspend/resume for different generation
wifi: rtw89: wow: update config mac function with different generation
wifi: rtw89: update DMA function with different generation
wifi: rtw89: wow: update WoWLAN status register for different generation
wifi: rtw89: wow: update WoWLAN reason register for different chips
wifi: brcm80211: handle pmk_op allocation failure
wifi: rtw89: coex: Add coexistence policy to decrease WiFi packet CRC-ERR
wifi: rtw89: coex: When Bluetooth not available don't set power/gain
wifi: rtw89: coex: add return value to ensure H2C command is success or not
wifi: rtw89: coex: Reorder H2C command index to align with firmware
wifi: rtw89: coex: add BTC ctrl_info version 7 and related logic
wifi: rtw89: coex: add init_info H2C command format version 7
wifi: rtw89: 8922a: add coexistence helpers of SW grant
wifi: rtw89: mac: add coexistence helpers {cfg/get}_plt
wifi: cw1200: restore endian swapping
wifi: wlcore: sdio: Rate limit wl12xx_sdio_raw_{read,write}() failures warns
wifi: rtlwifi: Remove rtl_intf_ops.read_efuse_byte
wifi: rtw88: 8821c: Fix false alarm count
...
====================
Link: https://lore.kernel.org/r/20240308100429.B8EA2C433F1@smtp.kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
According to Section 1.2 of Core Specification Supplement Part A the
complete or short name strings are defined as utf8s, which should not
include the trailing NULL for variable length array as defined in Core
Specification Vol1 Part E Section 2.9.3.
Removing the trailing NULL allows PTS to retrieve the random address based
on device name, e.g. for SM/PER/KDU/BV-02-C, SM/PER/KDU/BV-08-C or
GAP/BROB/BCST/BV-03-C.
Fixes: f61851f64b ("Bluetooth: Fix append max 11 bytes of name to scan rsp data")
Signed-off-by: Frédéric Danis <frederic.danis@collabora.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Jijie Shao says:
====================
There are some bugfix for the HNS3 ethernet driver
There are some bugfix for the HNS3 ethernet driver
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Add checking for vf id of mailbox, in order to avoid array
out-of-bounds risk.
Signed-off-by: Jian Shen <shenjian15@huawei.com>
Signed-off-by: Jijie Shao <shaojijie@huawei.com>
Reviewed-by: Sunil Goutham <sgoutham@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Currently, the mac port is fixed to configured as full dplex mode in
hclge_mac_init() when driver initialization or reset restore. Users may
change the mode to half duplex with ethtool, so it may cause the user
configuration dropped after reset.
To fix it, don't change the duplex mode when resetting.
Fixes: 2d03eacc0b ("net: hns3: Only update mac configuation when necessary")
Signed-off-by: Jie Wang <wangjie125@huawei.com>
Signed-off-by: Jijie Shao <shaojijie@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The cmdq reset command times out when all VFs are enabled and the queue is
full. The hardware processing time exceeds the timeout set by the driver.
In order to avoid the above extreme situations, the driver extends the
reset timeout to 1 second.
Signed-off-by: Peiyang Wang <wangpeiyang1@huawei.com>
Signed-off-by: Jijie Shao <shaojijie@huawei.com>
Reviewed-by: Sunil Goutham <sgoutham@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When the tc is removed during reset, hns3 driver will return a errcode.
But kernel ignores this errcode, As a result,
the driver status is inconsistent with the kernel status.
This patch retains the deletion status when the deletion fails
and continues to delete after the reset to ensure that
the status of the driver is consistent with that of kernel.
Signed-off-by: Jijie Shao <shaojijie@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When the hilink version is H60, the serdes serial loopback test is not
supported. This patch add hilink version detection. When the version
is H60, the serdes serial loopback test will be disable.
Signed-off-by: Hao Lan <lanhao@huawei.com>
Signed-off-by: Jijie Shao <shaojijie@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The hisilicon device now supports a new 200G link interface,
which query from firmware in a new bit. Therefore,
the HCLGE_SUPPORT_200G_R4_BIT capability bit has been added.
The HCLGE_SUPPORT_200G_BIT has been renamed as
HCLGE_SUPPORT_200G_R4_EXT_BIT, and the firmware has
extended support for this mode.
Fixes: ae6f010cb1 ("net: hns3: add support for 200G device")
Signed-off-by: Hao Lan <lanhao@huawei.com>
Signed-off-by: Jijie Shao <shaojijie@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
In hns3_dcbnl_ieee_delapp, should check ieee_delapp not ieee_setapp.
This path fix the wrong judgment.
Fixes: 0ba22bcb22 ("net: hns3: add support config dscp map to tc")
Signed-off-by: Jijie Shao <shaojijie@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Shannon Nelson says:
====================
ionic: putting ionic on a diet
Building on the performance work done in the previous patchset
[Link] https://lore.kernel.org/netdev/20240229193935.14197-1-shannon.nelson@amd.com/
this patchset puts the ionic driver on a diet, decreasing the memory
requirements per queue, and simplifies a few more bits of logic.
We trimmed the queue management structs and gained some ground, but
the most savings came from trimming the individual buffer descriptors.
The original design used a single generic buffer descriptor for Tx, Rx and
Adminq needs, but the Rx and Adminq descriptors really don't need all the
info that the Tx descriptors track. By splitting up the descriptor types
we can significantly reduce the descriptor sizes for Rx and Adminq use.
There is a small reduction in the queue management structs, saving about
3 cachelines per queuepair:
ionic_qcq:
Before: /* size: 2176, cachelines: 34, members: 23 */
After: /* size: 2048, cachelines: 32, members: 23 */
We also remove an array of completion descriptor pointers, or about
8 Kbytes per queue.
But the biggest savings came from splitting the desc_info struct into
queue specific structs and trimming out what was unnecessary.
Before:
ionic_desc_info:
/* size: 496, cachelines: 8, members: 10 */
After:
ionic_tx_desc_info:
/* size: 496, cachelines: 8, members: 6 */
ionic_rx_desc_info:
/* size: 224, cachelines: 4, members: 2 */
ionic_admin_desc_info:
/* size: 8, cachelines: 1, members: 1 */
In a 64 core host the ionic driver will default to 64 queuepairs of
1024 descriptors for Rx, 1024 for Tx, and 80 for Adminq and Notifyq.
The total memory usage for 64 queues:
Before:
65 * sizeof(ionic_qcq) 141,440
+ 64 * 1024 * sizeof(ionic_desc_info) 32,505,856
+ 64 * 1024 * sizeof(ionic_desc_info) 32,505,856
+ 64 * 1024 * 2 * sizeof(ionic_qc_info) 16,384
+ 1 * 80 * sizeof(ionic_desc_info) 39,690
----------
65,201,038
After:
65 * sizeof(ionic_qcq) 133,120
+ 64 * 1024 * sizeof(ionic_tx_desc_info) 32,505,856
+ 64 * 1024 * sizeof(ionic_rx_desc_info) 14,680,064
+ (removed) 0
+ 1 * 80 * sizeof(ionic_admin desc_info) 640
----------
47,319,680
This saves us approximately 18 Mbytes per port in a 64 core machine,
a 28% savings in our memory needs.
In addition, this improves our simple single thread / single queue
iperf case on a 9100 MTU connection from 86.7 to 95 Gbits/sec.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
When possible, keep the stats struct references strictly
in the error handling blocks and out of the fastpath.
Reviewed-by: Brett Creeley <brett.creeley@amd.com>
Signed-off-by: Shannon Nelson <shannon.nelson@amd.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Fix up a couple of small dma_addr handling issues
- don't double-count dma-map-err stat in ionic_tx_map_skb()
or ionic_xdp_post_frame()
- return 0 on error from both ionic_tx_map_single() and
ionic_tx_map_frag() and check for !dma_addr in ionic_tx_map_skb()
and ionic_xdp_post_frame()
- be sure to unmap buf_info[0] in ionic_tx_map_skb() error path
- don't assign rx buf->dma_addr until error checked in ionic_rx_page_alloc()
- remove unnecessary dma_addr_t casts
Reviewed-by: Brett Creeley <brett.creeley@amd.com>
Signed-off-by: Shannon Nelson <shannon.nelson@amd.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
We call ionic_rx_page_alloc() only on existing buf_info structs from
ionic_rx_fill(). There's no need for the additional NULL test.
Reviewed-by: Brett Creeley <brett.creeley@amd.com>
Signed-off-by: Shannon Nelson <shannon.nelson@amd.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Rearange a few fields for better cache use and to put the
flags field up into the first cacheline rather than the last.
struct ionic_qcq
Before: /* size: 2176, cachelines: 34, members: 23 */
After: /* size: 2112, cachelines: 33, members: 23 */
Reviewed-by: Brett Creeley <brett.creeley@amd.com>
Signed-off-by: Shannon Nelson <shannon.nelson@amd.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Remove the idev field from ionic_queue, which saves us a
bit of space, and add it into ionic_cq where there's room
within some cacheline padding. Use this pointer rather
than doing a multi level reference from lif->ionic.
Suggested-by: Neel Patel <npatel2@amd.com>
Reviewed-by: Brett Creeley <brett.creeley@amd.com>
Signed-off-by: Shannon Nelson <shannon.nelson@amd.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The existing ionic_rx_frags() code is a bit of a mess and can
be cleaned up by unrolling the first frag/header setup from
the loop, then reworking the do-while-loop into a for-loop. We
rename the function to a more descriptive ionic_rx_build_skb().
We also change a couple of related variable names for readability.
Reviewed-by: Brett Creeley <brett.creeley@amd.com>
Signed-off-by: Shannon Nelson <shannon.nelson@amd.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Since the AdminQ clean is a simple action called from only
one place, fold it back into the service routine.
Reviewed-by: Brett Creeley <brett.creeley@amd.com>
Signed-off-by: Shannon Nelson <shannon.nelson@amd.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Make desc_info structure specific to the queue type, which
allows us to cut down the Rx and AdminQ descriptor sizes by
not including all the fields needed for the Tx desriptors.
Before:
struct ionic_desc_info {
/* size: 464, cachelines: 8, members: 6 */
After:
struct ionic_tx_desc_info {
/* size: 464, cachelines: 8, members: 6 */
struct ionic_rx_desc_info {
/* size: 224, cachelines: 4, members: 2 */
struct ionic_admin_desc_info {
/* size: 8, cachelines: 1, members: 1 */
Suggested-by: Neel Patel <npatel2@amd.com>
Reviewed-by: Brett Creeley <brett.creeley@amd.com>
Signed-off-by: Shannon Nelson <shannon.nelson@amd.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
With a little simple math we don't need another struct array to
find the completion structs, so we can remove the ionic_cq_info
altogether. This doesn't really save anything in the ionic_cq
since it gets padded out to the cacheline, but it does remove
the parallel array allocation of 8 * num_descriptors, or about
8 Kbytes per queue in a default configuration.
Suggested-by: Neel Patel <npatel2@amd.com>
Reviewed-by: Brett Creeley <brett.creeley@amd.com>
Signed-off-by: Shannon Nelson <shannon.nelson@amd.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
By reworking the queue service routines to have their own
servicing loops we can remove the cb pointer from desc_info
to save another 8 bytes per descriptor,
This simplifies some of the queue handling indirection and makes
the code a little easier to follow, and keeps service code in
one place rather than jumping between code files.
struct ionic_desc_info
Before: /* size: 472, cachelines: 8, members: 7 */
After: /* size: 464, cachelines: 8, members: 6 */
Suggested-by: Neel Patel <npatel2@amd.com>
Reviewed-by: Brett Creeley <brett.creeley@amd.com>
Signed-off-by: Shannon Nelson <shannon.nelson@amd.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Move the AdminQ and NotifyQ queue handling to ionic_main.c with
the rest of the adminq code.
Suggested-by: Neel Patel <npatel2@amd.com>
Reviewed-by: Brett Creeley <brett.creeley@amd.com>
Signed-off-by: Shannon Nelson <shannon.nelson@amd.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Now that we're not using desc_info pointers mapped in every q
we can simplify and drop the unnecessary utility functions.
Reviewed-by: Brett Creeley <brett.creeley@amd.com>
Signed-off-by: Shannon Nelson <shannon.nelson@amd.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Remove the struct pointers from desc_info to use less space.
Instead of pointers in every desc_info to its descriptor,
we can use the queue descriptor index to find the individual
desc, desc_info, and sgl structs in their parallel arrays.
struct ionic_desc_info
Before: /* size: 496, cachelines: 8, members: 10 */
After: /* size: 472, cachelines: 8, members: 7 */
Suggested-by: Neel Patel <npatel2@amd.com>
Reviewed-by: Brett Creeley <brett.creeley@amd.com>
Signed-off-by: Shannon Nelson <shannon.nelson@amd.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Tony Nguyen says:
====================
Intel Wired LAN Driver Updates 2024-03-06 (iavf, i40e, ixgbe)
This series contains updates to iavf, i40e, and ixgbe drivers.
Alexey Kodanev removes duplicate calls related to cloud filters on iavf
and unnecessary null checks on i40e.
Maciej adds helper functions for common code relating to updating
statistics for ixgbe.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Jeff was retired as the Intel driver maintainer in
commit 6667df916f ("MAINTAINERS: Update MAINTAINERS for
Intel ethernet drivers"), and his address bounces.
But he has signed-off a lot of patches over the years
so get_maintainer insists on CCing him.
We haven't heard from him since he left Intel, so remapping
the address via mailmap is also pointless. Add to ignored
addresses.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Acked-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Eric Dumazet says:
====================
ipv6: lockless inet6_dump_addr()
This series removes RTNL locking to dump ipv6 addresses.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
We can now remove RTNL acquisition while running
inet6_dump_addr(), inet6_dump_ifmcaddr()
and inet6_dump_ifacaddr().
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
inet6_dump_addr() can use the new xa_array iterator
for better scalability.
Make it ready for RCU-only protection.
RTNL use is removed in the following patch.
Also properly return 0 at the end of a dump to avoid
and extra recvmsg() to get NLMSG_DONE.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
in6_dump_addrs() is called with RCU protection.
There is no need holding idev->lock to iterate through unicast addresses.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Make inet6_fill_ifaddr() lockless, and add approriate annotations
on ifa->tstamp, ifa->valid_lft, ifa->preferred_lft, ifa->ifa_proto
and ifa->rt_priority.
Also constify 2nd argument of inet6_fill_ifaddr(), inet6_fill_ifmcaddr()
and inet6_fill_ifacaddr().
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Merge tag 'ipsec-next-2024-03-06' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec-next
Steffen Klassert says:
====================
1) Introduce forwarding of ICMP Error messages. That is specified
in RFC 4301 but was never implemented. From Antony Antony.
2) Use KMEM_CACHE instead of kmem_cache_create in xfrm6_tunnel_init()
and xfrm_policy_init(). From Kunwu Chan.
3) Do not allocate stats in the xfrm interface driver, this can be done
on net core now. From Breno Leitao.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Petr Machata says:
====================
Support for nexthop group statistics
ECMP is a fundamental component in L3 designs. However, it's fragile. Many
factors influence whether an ECMP group will operate as intended: hash
policy (i.e. the set of fields that contribute to ECMP hash calculation),
neighbor validity, hash seed (which might lead to polarization) or the type
of ECMP group used (hash-threshold or resilient).
At the same time, collection of statistics that would help an operator
determine that the group performs as desired, is difficult.
A solution that we present in this patchset is to add counters to next hop
group entries. For SW-datapath deployments, this will on its own allow
collection and evaluation of relevant statistics. For HW-datapath
deployments, we further add a way to request that HW counters be installed
for a given group, in-kernel interfaces to collect the HW statistics, and
netlink interfaces to query them.
For example:
# ip nexthop replace id 4000 group 4001/4002 hw_stats on
# ip -s -d nexthop show id 4000
id 4000 group 4001/4002 scope global proto unspec offload hw_stats on used on
stats:
id 4001 packets 5002 packets_hw 5000
id 4002 packets 4999 packets_hw 4999
The point of the patchset is visibility of ECMP balance, and that is
influenced by packet headers, not their payload. Correspondingly, we only
include packet counters in the statistics, not byte counters.
We also decided to model HW statistics as a nexthop group attribute, not an
arbitrary nexthop one. The latter would count any traffic going through a
given nexthop, regardless of which ECMP group it is in, or any at all. The
reason is again hat the point of the patchset is ECMP balance visibility,
not arbitrary inspection of how busy a particular nexthop is.
Implementation of individual-nexthop statistics is certainly possible, and
could well follow the general approach we are taking in this patchset.
For resilient groups, per-bucket statistics could be done in a similar
manner as well.
This patchset contains the core code. mlxsw support will be sent in a
follow-up patch set.
This patchset progresses as follows:
- Patches #1 and #2 add support for a new next-hop object attribute,
NHA_OP_FLAGS. That is meant to carry various op-specific signaling, in
particular whether SW- and HW-collected nexthop stats should be part of
the get or dump response. The idea is to avoid wasting message space, and
time for collection of HW statistics, when the values are not needed.
- Patches #3 and #4 add SW-datapath stats and corresponding UAPI.
- Patches #5, #6 and #7 add support fro HW-datapath stats and UAPI.
Individual drivers still need to contribute the appropriate HW-specific
support code.
v4:
- Patch #2:
- s/nla_get_bitfield32/nla_get_u32/ in __nh_valid_dump_req().
v3:
- Patch #3:
- Convert to u64_stats_t
- Patch #4:
- Give a symbolic name to the set of all valid dump flags
for the NHA_OP_FLAGS attribute.
- Convert to u64_stats_t
- Patch #6:
- Use a named constant for the NHA_HW_STATS_ENABLE policy.
v2:
- Patch #2:
- Change OP_FLAGS to u32, enforce through NLA_POLICY_MASK
- Patch #3:
- Set err on nexthop_create_group() error path
- Patch #4:
- Use uint to encode NHA_GROUP_STATS_ENTRY_PACKETS
- Rename jump target in nla_put_nh_group_stats() to avoid
having to rename further in the patchset.
- Patch #7:
- Use uint to encode NHA_GROUP_STATS_ENTRY_PACKETS_HW
- Do not cancel outside of nesting in nla_put_nh_group_stats()
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
