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author | 2023-02-21 18:24:12 -0800 | |
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committer | 2023-02-21 18:24:12 -0800 | |
commit | 5b7c4cabbb65f5c469464da6c5f614cbd7f730f2 (patch) | |
tree | cc5c2d0a898769fd59549594fedb3ee6f84e59a0 /drivers/net/ethernet/freescale/dpaa2/dpaa2-eth-devlink.c | |
download | linux-5b7c4cabbb65f5c469464da6c5f614cbd7f730f2.tar.gz linux-5b7c4cabbb65f5c469464da6c5f614cbd7f730f2.zip |
Merge tag 'net-next-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-nextgrafted
Pull networking updates from Jakub Kicinski:
"Core:
- Add dedicated kmem_cache for typical/small skb->head, avoid having
to access struct page at kfree time, and improve memory use.
- Introduce sysctl to set default RPS configuration for new netdevs.
- Define Netlink protocol specification format which can be used to
describe messages used by each family and auto-generate parsers.
Add tools for generating kernel data structures and uAPI headers.
- Expose all net/core sysctls inside netns.
- Remove 4s sleep in netpoll if carrier is instantly detected on
boot.
- Add configurable limit of MDB entries per port, and port-vlan.
- Continue populating drop reasons throughout the stack.
- Retire a handful of legacy Qdiscs and classifiers.
Protocols:
- Support IPv4 big TCP (TSO frames larger than 64kB).
- Add IP_LOCAL_PORT_RANGE socket option, to control local port range
on socket by socket basis.
- Track and report in procfs number of MPTCP sockets used.
- Support mixing IPv4 and IPv6 flows in the in-kernel MPTCP path
manager.
- IPv6: don't check net.ipv6.route.max_size and rely on garbage
collection to free memory (similarly to IPv4).
- Support Penultimate Segment Pop (PSP) flavor in SRv6 (RFC8986).
- ICMP: add per-rate limit counters.
- Add support for user scanning requests in ieee802154.
- Remove static WEP support.
- Support minimal Wi-Fi 7 Extremely High Throughput (EHT) rate
reporting.
- WiFi 7 EHT channel puncturing support (client & AP).
BPF:
- Add a rbtree data structure following the "next-gen data structure"
precedent set by recently added linked list, that is, by using
kfunc + kptr instead of adding a new BPF map type.
- Expose XDP hints via kfuncs with initial support for RX hash and
timestamp metadata.
- Add BPF_F_NO_TUNNEL_KEY extension to bpf_skb_set_tunnel_key to
better support decap on GRE tunnel devices not operating in collect
metadata.
- Improve x86 JIT's codegen for PROBE_MEM runtime error checks.
- Remove the need for trace_printk_lock for bpf_trace_printk and
bpf_trace_vprintk helpers.
- Extend libbpf's bpf_tracing.h support for tracing arguments of
kprobes/uprobes and syscall as a special case.
- Significantly reduce the search time for module symbols by
livepatch and BPF.
- Enable cpumasks to be used as kptrs, which is useful for tracing
programs tracking which tasks end up running on which CPUs in
different time intervals.
- Add support for BPF trampoline on s390x and riscv64.
- Add capability to export the XDP features supported by the NIC.
- Add __bpf_kfunc tag for marking kernel functions as kfuncs.
- Add cgroup.memory=nobpf kernel parameter option to disable BPF
memory accounting for container environments.
Netfilter:
- Remove the CLUSTERIP target. It has been marked as obsolete for
years, and we still have WARN splats wrt races of the out-of-band
/proc interface installed by this target.
- Add 'destroy' commands to nf_tables. They are identical to the
existing 'delete' commands, but do not return an error if the
referenced object (set, chain, rule...) did not exist.
Driver API:
- Improve cpumask_local_spread() locality to help NICs set the right
IRQ affinity on AMD platforms.
- Separate C22 and C45 MDIO bus transactions more clearly.
- Introduce new DCB table to control DSCP rewrite on egress.
- Support configuration of Physical Layer Collision Avoidance (PLCA)
Reconciliation Sublayer (RS) (802.3cg-2019). Modern version of
shared medium Ethernet.
- Support for MAC Merge layer (IEEE 802.3-2018 clause 99). Allowing
preemption of low priority frames by high priority frames.
- Add support for controlling MACSec offload using netlink SET.
- Rework devlink instance refcounts to allow registration and
de-registration under the instance lock. Split the code into
multiple files, drop some of the unnecessarily granular locks and
factor out common parts of netlink operation handling.
- Add TX frame aggregation parameters (for USB drivers).
- Add a new attr TCA_EXT_WARN_MSG to report TC (offload) warning
messages with notifications for debug.
- Allow offloading of UDP NEW connections via act_ct.
- Add support for per action HW stats in TC.
- Support hardware miss to TC action (continue processing in SW from
a specific point in the action chain).
- Warn if old Wireless Extension user space interface is used with
modern cfg80211/mac80211 drivers. Do not support Wireless
Extensions for Wi-Fi 7 devices at all. Everyone should switch to
using nl80211 interface instead.
- Improve the CAN bit timing configuration. Use extack to return
error messages directly to user space, update the SJW handling,
including the definition of a new default value that will benefit
CAN-FD controllers, by increasing their oscillator tolerance.
New hardware / drivers:
- Ethernet:
- nVidia BlueField-3 support (control traffic driver)
- Ethernet support for imx93 SoCs
- Motorcomm yt8531 gigabit Ethernet PHY
- onsemi NCN26000 10BASE-T1S PHY (with support for PLCA)
- Microchip LAN8841 PHY (incl. cable diagnostics and PTP)
- Amlogic gxl MDIO mux
- WiFi:
- RealTek RTL8188EU (rtl8xxxu)
- Qualcomm Wi-Fi 7 devices (ath12k)
- CAN:
- Renesas R-Car V4H
Drivers:
- Bluetooth:
- Set Per Platform Antenna Gain (PPAG) for Intel controllers.
- Ethernet NICs:
- Intel (1G, igc):
- support TSN / Qbv / packet scheduling features of i226 model
- Intel (100G, ice):
- use GNSS subsystem instead of TTY
- multi-buffer XDP support
- extend support for GPIO pins to E823 devices
- nVidia/Mellanox:
- update the shared buffer configuration on PFC commands
- implement PTP adjphase function for HW offset control
- TC support for Geneve and GRE with VF tunnel offload
- more efficient crypto key management method
- multi-port eswitch support
- Netronome/Corigine:
- add DCB IEEE support
- support IPsec offloading for NFP3800
- Freescale/NXP (enetc):
- support XDP_REDIRECT for XDP non-linear buffers
- improve reconfig, avoid link flap and waiting for idle
- support MAC Merge layer
- Other NICs:
- sfc/ef100: add basic devlink support for ef100
- ionic: rx_push mode operation (writing descriptors via MMIO)
- bnxt: use the auxiliary bus abstraction for RDMA
- r8169: disable ASPM and reset bus in case of tx timeout
- cpsw: support QSGMII mode for J721e CPSW9G
- cpts: support pulse-per-second output
- ngbe: add an mdio bus driver
- usbnet: optimize usbnet_bh() by avoiding unnecessary queuing
- r8152: handle devices with FW with NCM support
- amd-xgbe: support 10Mbps, 2.5GbE speeds and rx-adaptation
- virtio-net: support multi buffer XDP
- virtio/vsock: replace virtio_vsock_pkt with sk_buff
- tsnep: XDP support
- Ethernet high-speed switches:
- nVidia/Mellanox (mlxsw):
- add support for latency TLV (in FW control messages)
- Microchip (sparx5):
- separate explicit and implicit traffic forwarding rules, make
the implicit rules always active
- add support for egress DSCP rewrite
- IS0 VCAP support (Ingress Classification)
- IS2 VCAP filters (protos, L3 addrs, L4 ports, flags, ToS
etc.)
- ES2 VCAP support (Egress Access Control)
- support for Per-Stream Filtering and Policing (802.1Q,
8.6.5.1)
- Ethernet embedded switches:
- Marvell (mv88e6xxx):
- add MAB (port auth) offload support
- enable PTP receive for mv88e6390
- NXP (ocelot):
- support MAC Merge layer
- support for the the vsc7512 internal copper phys
- Microchip:
- lan9303: convert to PHYLINK
- lan966x: support TC flower filter statistics
- lan937x: PTP support for KSZ9563/KSZ8563 and LAN937x
- lan937x: support Credit Based Shaper configuration
- ksz9477: support Energy Efficient Ethernet
- other:
- qca8k: convert to regmap read/write API, use bulk operations
- rswitch: Improve TX timestamp accuracy
- Intel WiFi (iwlwifi):
- EHT (Wi-Fi 7) rate reporting
- STEP equalizer support: transfer some STEP (connection to radio
on platforms with integrated wifi) related parameters from the
BIOS to the firmware.
- Qualcomm 802.11ax WiFi (ath11k):
- IPQ5018 support
- Fine Timing Measurement (FTM) responder role support
- channel 177 support
- MediaTek WiFi (mt76):
- per-PHY LED support
- mt7996: EHT (Wi-Fi 7) support
- Wireless Ethernet Dispatch (WED) reset support
- switch to using page pool allocator
- RealTek WiFi (rtw89):
- support new version of Bluetooth co-existance
- Mobile:
- rmnet: support TX aggregation"
* tag 'net-next-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (1872 commits)
page_pool: add a comment explaining the fragment counter usage
net: ethtool: fix __ethtool_dev_mm_supported() implementation
ethtool: pse-pd: Fix double word in comments
xsk: add linux/vmalloc.h to xsk.c
sefltests: netdevsim: wait for devlink instance after netns removal
selftest: fib_tests: Always cleanup before exit
net/mlx5e: Align IPsec ASO result memory to be as required by hardware
net/mlx5e: TC, Set CT miss to the specific ct action instance
net/mlx5e: Rename CHAIN_TO_REG to MAPPED_OBJ_TO_REG
net/mlx5: Refactor tc miss handling to a single function
net/mlx5: Kconfig: Make tc offload depend on tc skb extension
net/sched: flower: Support hardware miss to tc action
net/sched: flower: Move filter handle initialization earlier
net/sched: cls_api: Support hardware miss to tc action
net/sched: Rename user cookie and act cookie
sfc: fix builds without CONFIG_RTC_LIB
sfc: clean up some inconsistent indentings
net/mlx4_en: Introduce flexible array to silence overflow warning
net: lan966x: Fix possible deadlock inside PTP
net/ulp: Remove redundant ->clone() test in inet_clone_ulp().
...
Diffstat (limited to 'drivers/net/ethernet/freescale/dpaa2/dpaa2-eth-devlink.c')
-rw-r--r-- | drivers/net/ethernet/freescale/dpaa2/dpaa2-eth-devlink.c | 289 |
1 files changed, 289 insertions, 0 deletions
diff --git a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth-devlink.c b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth-devlink.c new file mode 100644 index 000000000..76f808d38 --- /dev/null +++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth-devlink.c @@ -0,0 +1,289 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) +#include "dpaa2-eth.h" +/* Copyright 2020 NXP + */ + +#define DPAA2_ETH_TRAP_DROP(_id, _group_id) \ + DEVLINK_TRAP_GENERIC(DROP, DROP, _id, \ + DEVLINK_TRAP_GROUP_GENERIC_ID_##_group_id, 0) + +static const struct devlink_trap_group dpaa2_eth_trap_groups_arr[] = { + DEVLINK_TRAP_GROUP_GENERIC(PARSER_ERROR_DROPS, 0), +}; + +static const struct devlink_trap dpaa2_eth_traps_arr[] = { + DPAA2_ETH_TRAP_DROP(VXLAN_PARSING, PARSER_ERROR_DROPS), + DPAA2_ETH_TRAP_DROP(LLC_SNAP_PARSING, PARSER_ERROR_DROPS), + DPAA2_ETH_TRAP_DROP(VLAN_PARSING, PARSER_ERROR_DROPS), + DPAA2_ETH_TRAP_DROP(PPPOE_PPP_PARSING, PARSER_ERROR_DROPS), + DPAA2_ETH_TRAP_DROP(MPLS_PARSING, PARSER_ERROR_DROPS), + DPAA2_ETH_TRAP_DROP(ARP_PARSING, PARSER_ERROR_DROPS), + DPAA2_ETH_TRAP_DROP(IP_1_PARSING, PARSER_ERROR_DROPS), + DPAA2_ETH_TRAP_DROP(IP_N_PARSING, PARSER_ERROR_DROPS), + DPAA2_ETH_TRAP_DROP(GRE_PARSING, PARSER_ERROR_DROPS), + DPAA2_ETH_TRAP_DROP(UDP_PARSING, PARSER_ERROR_DROPS), + DPAA2_ETH_TRAP_DROP(TCP_PARSING, PARSER_ERROR_DROPS), + DPAA2_ETH_TRAP_DROP(IPSEC_PARSING, PARSER_ERROR_DROPS), + DPAA2_ETH_TRAP_DROP(SCTP_PARSING, PARSER_ERROR_DROPS), + DPAA2_ETH_TRAP_DROP(DCCP_PARSING, PARSER_ERROR_DROPS), + DPAA2_ETH_TRAP_DROP(GTP_PARSING, PARSER_ERROR_DROPS), + DPAA2_ETH_TRAP_DROP(ESP_PARSING, PARSER_ERROR_DROPS), +}; + +static int dpaa2_eth_dl_info_get(struct devlink *devlink, + struct devlink_info_req *req, + struct netlink_ext_ack *extack) +{ + struct dpaa2_eth_devlink_priv *dl_priv = devlink_priv(devlink); + struct dpaa2_eth_priv *priv = dl_priv->dpaa2_priv; + char buf[10]; + + scnprintf(buf, 10, "%d.%d", priv->dpni_ver_major, priv->dpni_ver_minor); + return devlink_info_version_running_put(req, "dpni", buf); +} + +static struct dpaa2_eth_trap_item * +dpaa2_eth_dl_trap_item_lookup(struct dpaa2_eth_priv *priv, u16 trap_id) +{ + struct dpaa2_eth_trap_data *dpaa2_eth_trap_data = priv->trap_data; + int i; + + for (i = 0; i < ARRAY_SIZE(dpaa2_eth_traps_arr); i++) { + if (dpaa2_eth_traps_arr[i].id == trap_id) + return &dpaa2_eth_trap_data->trap_items_arr[i]; + } + + return NULL; +} + +struct dpaa2_eth_trap_item *dpaa2_eth_dl_get_trap(struct dpaa2_eth_priv *priv, + struct dpaa2_fapr *fapr) +{ + static const struct dpaa2_faf_error_bit { + int position; + enum devlink_trap_generic_id trap_id; + } faf_bits[] = { + { .position = 5, .trap_id = DEVLINK_TRAP_GENERIC_ID_VXLAN_PARSING }, + { .position = 20, .trap_id = DEVLINK_TRAP_GENERIC_ID_LLC_SNAP_PARSING }, + { .position = 24, .trap_id = DEVLINK_TRAP_GENERIC_ID_VLAN_PARSING }, + { .position = 26, .trap_id = DEVLINK_TRAP_GENERIC_ID_PPPOE_PPP_PARSING }, + { .position = 29, .trap_id = DEVLINK_TRAP_GENERIC_ID_MPLS_PARSING }, + { .position = 31, .trap_id = DEVLINK_TRAP_GENERIC_ID_ARP_PARSING }, + { .position = 52, .trap_id = DEVLINK_TRAP_GENERIC_ID_IP_1_PARSING }, + { .position = 61, .trap_id = DEVLINK_TRAP_GENERIC_ID_IP_N_PARSING }, + { .position = 67, .trap_id = DEVLINK_TRAP_GENERIC_ID_GRE_PARSING }, + { .position = 71, .trap_id = DEVLINK_TRAP_GENERIC_ID_UDP_PARSING }, + { .position = 76, .trap_id = DEVLINK_TRAP_GENERIC_ID_TCP_PARSING }, + { .position = 80, .trap_id = DEVLINK_TRAP_GENERIC_ID_IPSEC_PARSING }, + { .position = 82, .trap_id = DEVLINK_TRAP_GENERIC_ID_SCTP_PARSING }, + { .position = 84, .trap_id = DEVLINK_TRAP_GENERIC_ID_DCCP_PARSING }, + { .position = 88, .trap_id = DEVLINK_TRAP_GENERIC_ID_GTP_PARSING }, + { .position = 90, .trap_id = DEVLINK_TRAP_GENERIC_ID_ESP_PARSING }, + }; + u64 faf_word; + u64 mask; + int i; + + for (i = 0; i < ARRAY_SIZE(faf_bits); i++) { + if (faf_bits[i].position < 32) { + /* Low part of FAF. + * position ranges from 31 to 0, mask from 0 to 31. + */ + mask = 1ull << (31 - faf_bits[i].position); + faf_word = __le32_to_cpu(fapr->faf_lo); + } else { + /* High part of FAF. + * position ranges from 95 to 32, mask from 0 to 63. + */ + mask = 1ull << (63 - (faf_bits[i].position - 32)); + faf_word = __le64_to_cpu(fapr->faf_hi); + } + if (faf_word & mask) + return dpaa2_eth_dl_trap_item_lookup(priv, faf_bits[i].trap_id); + } + return NULL; +} + +static int dpaa2_eth_dl_trap_init(struct devlink *devlink, + const struct devlink_trap *trap, + void *trap_ctx) +{ + struct dpaa2_eth_devlink_priv *dl_priv = devlink_priv(devlink); + struct dpaa2_eth_priv *priv = dl_priv->dpaa2_priv; + struct dpaa2_eth_trap_item *dpaa2_eth_trap_item; + + dpaa2_eth_trap_item = dpaa2_eth_dl_trap_item_lookup(priv, trap->id); + if (WARN_ON(!dpaa2_eth_trap_item)) + return -ENOENT; + + dpaa2_eth_trap_item->trap_ctx = trap_ctx; + + return 0; +} + +static int dpaa2_eth_dl_trap_action_set(struct devlink *devlink, + const struct devlink_trap *trap, + enum devlink_trap_action action, + struct netlink_ext_ack *extack) +{ + /* No support for changing the action of an independent packet trap, + * only per trap group - parser error drops + */ + NL_SET_ERR_MSG_MOD(extack, + "Cannot change trap action independently of group"); + return -EOPNOTSUPP; +} + +static int dpaa2_eth_dl_trap_group_action_set(struct devlink *devlink, + const struct devlink_trap_group *group, + enum devlink_trap_action action, + struct netlink_ext_ack *extack) +{ + struct dpaa2_eth_devlink_priv *dl_priv = devlink_priv(devlink); + struct dpaa2_eth_priv *priv = dl_priv->dpaa2_priv; + struct net_device *net_dev = priv->net_dev; + struct device *dev = net_dev->dev.parent; + struct dpni_error_cfg err_cfg = {0}; + int err; + + if (group->id != DEVLINK_TRAP_GROUP_GENERIC_ID_PARSER_ERROR_DROPS) + return -EOPNOTSUPP; + + /* Configure handling of frames marked as errors from the parser */ + err_cfg.errors = DPAA2_FAS_RX_ERR_MASK; + err_cfg.set_frame_annotation = 1; + + switch (action) { + case DEVLINK_TRAP_ACTION_DROP: + err_cfg.error_action = DPNI_ERROR_ACTION_DISCARD; + break; + case DEVLINK_TRAP_ACTION_TRAP: + err_cfg.error_action = DPNI_ERROR_ACTION_SEND_TO_ERROR_QUEUE; + break; + default: + return -EOPNOTSUPP; + } + + err = dpni_set_errors_behavior(priv->mc_io, 0, priv->mc_token, &err_cfg); + if (err) { + dev_err(dev, "dpni_set_errors_behavior failed\n"); + return err; + } + + return 0; +} + +static const struct devlink_ops dpaa2_eth_devlink_ops = { + .info_get = dpaa2_eth_dl_info_get, + .trap_init = dpaa2_eth_dl_trap_init, + .trap_action_set = dpaa2_eth_dl_trap_action_set, + .trap_group_action_set = dpaa2_eth_dl_trap_group_action_set, +}; + +int dpaa2_eth_dl_alloc(struct dpaa2_eth_priv *priv) +{ + struct net_device *net_dev = priv->net_dev; + struct device *dev = net_dev->dev.parent; + struct dpaa2_eth_devlink_priv *dl_priv; + + priv->devlink = + devlink_alloc(&dpaa2_eth_devlink_ops, sizeof(*dl_priv), dev); + if (!priv->devlink) { + dev_err(dev, "devlink_alloc failed\n"); + return -ENOMEM; + } + dl_priv = devlink_priv(priv->devlink); + dl_priv->dpaa2_priv = priv; + return 0; +} + +void dpaa2_eth_dl_free(struct dpaa2_eth_priv *priv) +{ + devlink_free(priv->devlink); +} + + +void dpaa2_eth_dl_register(struct dpaa2_eth_priv *priv) +{ + devlink_register(priv->devlink); +} + +void dpaa2_eth_dl_unregister(struct dpaa2_eth_priv *priv) +{ + devlink_unregister(priv->devlink); +} + +int dpaa2_eth_dl_port_add(struct dpaa2_eth_priv *priv) +{ + struct devlink_port *devlink_port = &priv->devlink_port; + struct devlink_port_attrs attrs = {}; + + attrs.flavour = DEVLINK_PORT_FLAVOUR_PHYSICAL; + devlink_port_attrs_set(devlink_port, &attrs); + return devlink_port_register(priv->devlink, devlink_port, 0); +} + +void dpaa2_eth_dl_port_del(struct dpaa2_eth_priv *priv) +{ + struct devlink_port *devlink_port = &priv->devlink_port; + + devlink_port_unregister(devlink_port); +} + +int dpaa2_eth_dl_traps_register(struct dpaa2_eth_priv *priv) +{ + struct dpaa2_eth_trap_data *dpaa2_eth_trap_data; + struct net_device *net_dev = priv->net_dev; + struct device *dev = net_dev->dev.parent; + int err; + + dpaa2_eth_trap_data = kzalloc(sizeof(*dpaa2_eth_trap_data), GFP_KERNEL); + if (!dpaa2_eth_trap_data) + return -ENOMEM; + priv->trap_data = dpaa2_eth_trap_data; + + dpaa2_eth_trap_data->trap_items_arr = kcalloc(ARRAY_SIZE(dpaa2_eth_traps_arr), + sizeof(struct dpaa2_eth_trap_item), + GFP_KERNEL); + if (!dpaa2_eth_trap_data->trap_items_arr) { + err = -ENOMEM; + goto trap_data_free; + } + + err = devlink_trap_groups_register(priv->devlink, dpaa2_eth_trap_groups_arr, + ARRAY_SIZE(dpaa2_eth_trap_groups_arr)); + if (err) { + dev_err(dev, "devlink_trap_groups_register() = %d\n", err); + goto trap_items_arr_free; + } + + err = devlink_traps_register(priv->devlink, dpaa2_eth_traps_arr, + ARRAY_SIZE(dpaa2_eth_traps_arr), priv); + if (err) { + dev_err(dev, "devlink_traps_register() = %d\n", err); + goto trap_groups_unregiser; + } + + return 0; + +trap_groups_unregiser: + devlink_trap_groups_unregister(priv->devlink, dpaa2_eth_trap_groups_arr, + ARRAY_SIZE(dpaa2_eth_trap_groups_arr)); +trap_items_arr_free: + kfree(dpaa2_eth_trap_data->trap_items_arr); +trap_data_free: + kfree(dpaa2_eth_trap_data); + priv->trap_data = NULL; + + return err; +} + +void dpaa2_eth_dl_traps_unregister(struct dpaa2_eth_priv *priv) +{ + devlink_traps_unregister(priv->devlink, dpaa2_eth_traps_arr, + ARRAY_SIZE(dpaa2_eth_traps_arr)); + devlink_trap_groups_unregister(priv->devlink, dpaa2_eth_trap_groups_arr, + ARRAY_SIZE(dpaa2_eth_trap_groups_arr)); + kfree(priv->trap_data->trap_items_arr); + kfree(priv->trap_data); +} |