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authorLibravatar Linus Torvalds <torvalds@linux-foundation.org>2023-02-21 18:24:12 -0800
committerLibravatar Linus Torvalds <torvalds@linux-foundation.org>2023-02-21 18:24:12 -0800
commit5b7c4cabbb65f5c469464da6c5f614cbd7f730f2 (patch)
treecc5c2d0a898769fd59549594fedb3ee6f84e59a0 /drivers/net/ethernet/marvell/octeontx2/af/mcs.h
downloadlinux-5b7c4cabbb65f5c469464da6c5f614cbd7f730f2.tar.gz
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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.h246
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 */