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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/marvell/octeontx2/af/mcs.h | |
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 '')
-rw-r--r-- | drivers/net/ethernet/marvell/octeontx2/af/mcs.h | 246 |
1 files changed, 246 insertions, 0 deletions
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/mcs.h b/drivers/net/ethernet/marvell/octeontx2/af/mcs.h new file mode 100644 index 000000000..64dc2b80e --- /dev/null +++ b/drivers/net/ethernet/marvell/octeontx2/af/mcs.h @@ -0,0 +1,246 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* Marvell CN10K MCS driver + * + * Copyright (C) 2022 Marvell. + */ + +#ifndef MCS_H +#define MCS_H + +#include <linux/bits.h> +#include "rvu.h" + +#define PCI_DEVID_CN10K_MCS 0xA096 + +#define MCSX_LINK_LMAC_RANGE_MASK GENMASK_ULL(19, 16) +#define MCSX_LINK_LMAC_BASE_MASK GENMASK_ULL(11, 0) + +#define MCS_ID_MASK 0x7 +#define MCS_MAX_PFS 128 + +#define MCS_PORT_MODE_MASK 0x3 +#define MCS_PORT_FIFO_SKID_MASK 0x3F +#define MCS_MAX_CUSTOM_TAGS 0x8 + +#define MCS_CTRLPKT_ETYPE_RULE_MAX 8 +#define MCS_CTRLPKT_DA_RULE_MAX 8 +#define MCS_CTRLPKT_DA_RANGE_RULE_MAX 4 +#define MCS_CTRLPKT_COMBO_RULE_MAX 4 +#define MCS_CTRLPKT_MAC_RULE_MAX 1 + +#define MCS_MAX_CTRLPKT_RULES (MCS_CTRLPKT_ETYPE_RULE_MAX + \ + MCS_CTRLPKT_DA_RULE_MAX + \ + MCS_CTRLPKT_DA_RANGE_RULE_MAX + \ + MCS_CTRLPKT_COMBO_RULE_MAX + \ + MCS_CTRLPKT_MAC_RULE_MAX) + +#define MCS_CTRLPKT_ETYPE_RULE_OFFSET 0 +#define MCS_CTRLPKT_DA_RULE_OFFSET 8 +#define MCS_CTRLPKT_DA_RANGE_RULE_OFFSET 16 +#define MCS_CTRLPKT_COMBO_RULE_OFFSET 20 +#define MCS_CTRLPKT_MAC_EN_RULE_OFFSET 24 + +/* Reserved resources for default bypass entry */ +#define MCS_RSRC_RSVD_CNT 1 + +/* MCS Interrupt Vector Enumeration */ +enum mcs_int_vec_e { + MCS_INT_VEC_MIL_RX_GBL = 0x0, + MCS_INT_VEC_MIL_RX_LMACX = 0x1, + MCS_INT_VEC_MIL_TX_LMACX = 0x5, + MCS_INT_VEC_HIL_RX_GBL = 0x9, + MCS_INT_VEC_HIL_RX_LMACX = 0xa, + MCS_INT_VEC_HIL_TX_GBL = 0xe, + MCS_INT_VEC_HIL_TX_LMACX = 0xf, + MCS_INT_VEC_IP = 0x13, + MCS_INT_VEC_CNT = 0x14, +}; + +#define MCS_MAX_BBE_INT 8ULL +#define MCS_BBE_INT_MASK 0xFFULL + +#define MCS_MAX_PAB_INT 4ULL +#define MCS_PAB_INT_MASK 0xFULL + +#define MCS_BBE_RX_INT_ENA BIT_ULL(0) +#define MCS_BBE_TX_INT_ENA BIT_ULL(1) +#define MCS_CPM_RX_INT_ENA BIT_ULL(2) +#define MCS_CPM_TX_INT_ENA BIT_ULL(3) +#define MCS_PAB_RX_INT_ENA BIT_ULL(4) +#define MCS_PAB_TX_INT_ENA BIT_ULL(5) + +#define MCS_CPM_TX_INT_PACKET_XPN_EQ0 BIT_ULL(0) +#define MCS_CPM_TX_INT_PN_THRESH_REACHED BIT_ULL(1) +#define MCS_CPM_TX_INT_SA_NOT_VALID BIT_ULL(2) + +#define MCS_CPM_RX_INT_SECTAG_V_EQ1 BIT_ULL(0) +#define MCS_CPM_RX_INT_SECTAG_E_EQ0_C_EQ1 BIT_ULL(1) +#define MCS_CPM_RX_INT_SL_GTE48 BIT_ULL(2) +#define MCS_CPM_RX_INT_ES_EQ1_SC_EQ1 BIT_ULL(3) +#define MCS_CPM_RX_INT_SC_EQ1_SCB_EQ1 BIT_ULL(4) +#define MCS_CPM_RX_INT_PACKET_XPN_EQ0 BIT_ULL(5) +#define MCS_CPM_RX_INT_PN_THRESH_REACHED BIT_ULL(6) + +#define MCS_CPM_RX_INT_ALL (MCS_CPM_RX_INT_SECTAG_V_EQ1 | \ + MCS_CPM_RX_INT_SECTAG_E_EQ0_C_EQ1 | \ + MCS_CPM_RX_INT_SL_GTE48 | \ + MCS_CPM_RX_INT_ES_EQ1_SC_EQ1 | \ + MCS_CPM_RX_INT_SC_EQ1_SCB_EQ1 | \ + MCS_CPM_RX_INT_PACKET_XPN_EQ0 | \ + MCS_CPM_RX_INT_PN_THRESH_REACHED) + +struct mcs_pfvf { + u64 intr_mask; /* Enabled Interrupt mask */ +}; + +struct mcs_intr_event { + u16 pcifunc; + u64 intr_mask; + u64 sa_id; + u8 mcs_id; + u8 lmac_id; +}; + +struct mcs_intrq_entry { + struct list_head node; + struct mcs_intr_event intr_event; +}; + +struct secy_mem_map { + u8 flow_id; + u8 secy; + u8 ctrl_pkt; + u8 sc; + u64 sci; +}; + +struct mcs_rsrc_map { + u16 *flowid2pf_map; + u16 *secy2pf_map; + u16 *sc2pf_map; + u16 *sa2pf_map; + u16 *flowid2secy_map; /* bitmap flowid mapped to secy*/ + u16 *ctrlpktrule2pf_map; + struct rsrc_bmap flow_ids; + struct rsrc_bmap secy; + struct rsrc_bmap sc; + struct rsrc_bmap sa; + struct rsrc_bmap ctrlpktrule; +}; + +struct hwinfo { + u8 tcam_entries; + u8 secy_entries; + u8 sc_entries; + u16 sa_entries; + u8 mcs_x2p_intf; + u8 lmac_cnt; + u8 mcs_blks; + unsigned long lmac_bmap; /* bitmap of enabled mcs lmac */ +}; + +struct mcs { + void __iomem *reg_base; + struct pci_dev *pdev; + struct device *dev; + struct hwinfo *hw; + struct mcs_rsrc_map tx; + struct mcs_rsrc_map rx; + u16 pf_map[MCS_MAX_PFS]; /* List of PCIFUNC mapped to MCS */ + u8 mcs_id; + struct mcs_ops *mcs_ops; + struct list_head mcs_list; + /* Lock for mcs stats */ + struct mutex stats_lock; + struct mcs_pfvf *pf; + struct mcs_pfvf *vf; + u16 num_vec; + void *rvu; + u16 *tx_sa_active; +}; + +struct mcs_ops { + void (*mcs_set_hw_capabilities)(struct mcs *mcs); + void (*mcs_parser_cfg)(struct mcs *mcs); + void (*mcs_tx_sa_mem_map_write)(struct mcs *mcs, struct mcs_tx_sc_sa_map *map); + void (*mcs_rx_sa_mem_map_write)(struct mcs *mcs, struct mcs_rx_sc_sa_map *map); + void (*mcs_flowid_secy_map)(struct mcs *mcs, struct secy_mem_map *map, int dir); +}; + +extern struct pci_driver mcs_driver; + +static inline void mcs_reg_write(struct mcs *mcs, u64 offset, u64 val) +{ + writeq(val, mcs->reg_base + offset); +} + +static inline u64 mcs_reg_read(struct mcs *mcs, u64 offset) +{ + return readq(mcs->reg_base + offset); +} + +/* MCS APIs */ +struct mcs *mcs_get_pdata(int mcs_id); +int mcs_get_blkcnt(void); +int mcs_set_lmac_channels(int mcs_id, u16 base); +int mcs_alloc_rsrc(struct rsrc_bmap *rsrc, u16 *pf_map, u16 pcifunc); +int mcs_free_rsrc(struct rsrc_bmap *rsrc, u16 *pf_map, int rsrc_id, u16 pcifunc); +int mcs_alloc_all_rsrc(struct mcs *mcs, u8 *flowid, u8 *secy_id, + u8 *sc_id, u8 *sa1_id, u8 *sa2_id, u16 pcifunc, int dir); +int mcs_free_all_rsrc(struct mcs *mcs, int dir, u16 pcifunc); +void mcs_clear_secy_plcy(struct mcs *mcs, int secy_id, int dir); +void mcs_ena_dis_flowid_entry(struct mcs *mcs, int id, int dir, int ena); +void mcs_ena_dis_sc_cam_entry(struct mcs *mcs, int id, int ena); +void mcs_flowid_entry_write(struct mcs *mcs, u64 *data, u64 *mask, int id, int dir); +void mcs_secy_plcy_write(struct mcs *mcs, u64 plcy, int id, int dir); +void mcs_rx_sc_cam_write(struct mcs *mcs, u64 sci, u64 secy, int sc_id); +void mcs_sa_plcy_write(struct mcs *mcs, u64 *plcy, int sa, int dir); +void mcs_map_sc_to_sa(struct mcs *mcs, u64 *sa_map, int sc, int dir); +void mcs_pn_table_write(struct mcs *mcs, u8 pn_id, u64 next_pn, u8 dir); +void mcs_tx_sa_mem_map_write(struct mcs *mcs, struct mcs_tx_sc_sa_map *map); +void mcs_flowid_secy_map(struct mcs *mcs, struct secy_mem_map *map, int dir); +void mcs_rx_sa_mem_map_write(struct mcs *mcs, struct mcs_rx_sc_sa_map *map); +void mcs_pn_threshold_set(struct mcs *mcs, struct mcs_set_pn_threshold *pn); +int mcs_install_flowid_bypass_entry(struct mcs *mcs); +void mcs_set_lmac_mode(struct mcs *mcs, int lmac_id, u8 mode); +void mcs_reset_port(struct mcs *mcs, u8 port_id, u8 reset); +void mcs_set_port_cfg(struct mcs *mcs, struct mcs_port_cfg_set_req *req); +void mcs_get_port_cfg(struct mcs *mcs, struct mcs_port_cfg_get_req *req, + struct mcs_port_cfg_get_rsp *rsp); +void mcs_get_custom_tag_cfg(struct mcs *mcs, struct mcs_custom_tag_cfg_get_req *req, + struct mcs_custom_tag_cfg_get_rsp *rsp); +int mcs_alloc_ctrlpktrule(struct rsrc_bmap *rsrc, u16 *pf_map, u16 offset, u16 pcifunc); +int mcs_free_ctrlpktrule(struct mcs *mcs, struct mcs_free_ctrl_pkt_rule_req *req); +int mcs_ctrlpktrule_write(struct mcs *mcs, struct mcs_ctrl_pkt_rule_write_req *req); + +/* CN10K-B APIs */ +void cn10kb_mcs_set_hw_capabilities(struct mcs *mcs); +void cn10kb_mcs_tx_sa_mem_map_write(struct mcs *mcs, struct mcs_tx_sc_sa_map *map); +void cn10kb_mcs_flowid_secy_map(struct mcs *mcs, struct secy_mem_map *map, int dir); +void cn10kb_mcs_rx_sa_mem_map_write(struct mcs *mcs, struct mcs_rx_sc_sa_map *map); +void cn10kb_mcs_parser_cfg(struct mcs *mcs); + +/* CNF10K-B APIs */ +struct mcs_ops *cnf10kb_get_mac_ops(void); +void cnf10kb_mcs_set_hw_capabilities(struct mcs *mcs); +void cnf10kb_mcs_tx_sa_mem_map_write(struct mcs *mcs, struct mcs_tx_sc_sa_map *map); +void cnf10kb_mcs_flowid_secy_map(struct mcs *mcs, struct secy_mem_map *map, int dir); +void cnf10kb_mcs_rx_sa_mem_map_write(struct mcs *mcs, struct mcs_rx_sc_sa_map *map); +void cnf10kb_mcs_parser_cfg(struct mcs *mcs); +void cnf10kb_mcs_tx_pn_thresh_reached_handler(struct mcs *mcs); +void cnf10kb_mcs_tx_pn_wrapped_handler(struct mcs *mcs); + +/* Stats APIs */ +void mcs_get_sc_stats(struct mcs *mcs, struct mcs_sc_stats *stats, int id, int dir); +void mcs_get_sa_stats(struct mcs *mcs, struct mcs_sa_stats *stats, int id, int dir); +void mcs_get_port_stats(struct mcs *mcs, struct mcs_port_stats *stats, int id, int dir); +void mcs_get_flowid_stats(struct mcs *mcs, struct mcs_flowid_stats *stats, int id, int dir); +void mcs_get_rx_secy_stats(struct mcs *mcs, struct mcs_secy_stats *stats, int id); +void mcs_get_tx_secy_stats(struct mcs *mcs, struct mcs_secy_stats *stats, int id); +void mcs_clear_stats(struct mcs *mcs, u8 type, u8 id, int dir); +int mcs_clear_all_stats(struct mcs *mcs, u16 pcifunc, int dir); +int mcs_set_force_clk_en(struct mcs *mcs, bool set); + +int mcs_add_intr_wq_entry(struct mcs *mcs, struct mcs_intr_event *event); + +#endif /* MCS_H */ |