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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/sunplus/spl2sw_define.h
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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 'drivers/net/ethernet/sunplus/spl2sw_define.h')
-rw-r--r--drivers/net/ethernet/sunplus/spl2sw_define.h270
1 files changed, 270 insertions, 0 deletions
diff --git a/drivers/net/ethernet/sunplus/spl2sw_define.h b/drivers/net/ethernet/sunplus/spl2sw_define.h
new file mode 100644
index 000000000..acc6c1228
--- /dev/null
+++ b/drivers/net/ethernet/sunplus/spl2sw_define.h
@@ -0,0 +1,270 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright Sunplus Technology Co., Ltd.
+ * All rights reserved.
+ */
+
+#ifndef __SPL2SW_DEFINE_H__
+#define __SPL2SW_DEFINE_H__
+
+#define MAX_NETDEV_NUM 2 /* Maximum # of net-device */
+
+/* Interrupt status */
+#define MAC_INT_DAISY_MODE_CHG BIT(31) /* Daisy Mode Change */
+#define MAC_INT_IP_CHKSUM_ERR BIT(23) /* IP Checksum Append Error */
+#define MAC_INT_WDOG_TIMER1_EXP BIT(22) /* Watchdog Timer1 Expired */
+#define MAC_INT_WDOG_TIMER0_EXP BIT(21) /* Watchdog Timer0 Expired */
+#define MAC_INT_INTRUDER_ALERT BIT(20) /* Atruder Alert */
+#define MAC_INT_PORT_ST_CHG BIT(19) /* Port Status Change */
+#define MAC_INT_BC_STORM BIT(18) /* Broad Cast Storm */
+#define MAC_INT_MUST_DROP_LAN BIT(17) /* Global Queue Exhausted */
+#define MAC_INT_GLOBAL_QUE_FULL BIT(16) /* Global Queue Full */
+#define MAC_INT_TX_SOC_PAUSE_ON BIT(15) /* Soc Port TX Pause On */
+#define MAC_INT_RX_SOC_QUE_FULL BIT(14) /* Soc Port Out Queue Full */
+#define MAC_INT_TX_LAN1_QUE_FULL BIT(9) /* Port 1 Out Queue Full */
+#define MAC_INT_TX_LAN0_QUE_FULL BIT(8) /* Port 0 Out Queue Full */
+#define MAC_INT_RX_L_DESCF BIT(7) /* Low Priority Descriptor Full */
+#define MAC_INT_RX_H_DESCF BIT(6) /* High Priority Descriptor Full */
+#define MAC_INT_RX_DONE_L BIT(5) /* RX Low Priority Done */
+#define MAC_INT_RX_DONE_H BIT(4) /* RX High Priority Done */
+#define MAC_INT_TX_DONE_L BIT(3) /* TX Low Priority Done */
+#define MAC_INT_TX_DONE_H BIT(2) /* TX High Priority Done */
+#define MAC_INT_TX_DES_ERR BIT(1) /* TX Descriptor Error */
+#define MAC_INT_RX_DES_ERR BIT(0) /* Rx Descriptor Error */
+
+#define MAC_INT_RX (MAC_INT_RX_DONE_H | MAC_INT_RX_DONE_L | \
+ MAC_INT_RX_DES_ERR)
+#define MAC_INT_TX (MAC_INT_TX_DONE_L | MAC_INT_TX_DONE_H | \
+ MAC_INT_TX_DES_ERR)
+#define MAC_INT_MASK_DEF (MAC_INT_DAISY_MODE_CHG | MAC_INT_IP_CHKSUM_ERR | \
+ MAC_INT_WDOG_TIMER1_EXP | MAC_INT_WDOG_TIMER0_EXP | \
+ MAC_INT_INTRUDER_ALERT | MAC_INT_PORT_ST_CHG | \
+ MAC_INT_BC_STORM | MAC_INT_MUST_DROP_LAN | \
+ MAC_INT_GLOBAL_QUE_FULL | MAC_INT_TX_SOC_PAUSE_ON | \
+ MAC_INT_RX_SOC_QUE_FULL | MAC_INT_TX_LAN1_QUE_FULL | \
+ MAC_INT_TX_LAN0_QUE_FULL | MAC_INT_RX_L_DESCF | \
+ MAC_INT_RX_H_DESCF)
+
+/* Address table search */
+#define MAC_ADDR_LOOKUP_IDLE BIT(2)
+#define MAC_SEARCH_NEXT_ADDR BIT(1)
+#define MAC_BEGIN_SEARCH_ADDR BIT(0)
+
+/* Address table status */
+#define MAC_HASH_LOOKUP_ADDR GENMASK(31, 22)
+#define MAC_R_PORT_MAP GENMASK(13, 12)
+#define MAC_R_CPU_PORT GENMASK(11, 10)
+#define MAC_R_VID GENMASK(9, 7)
+#define MAC_R_AGE GENMASK(6, 4)
+#define MAC_R_PROXY BIT(3)
+#define MAC_R_MC_INGRESS BIT(2)
+#define MAC_AT_TABLE_END BIT(1)
+#define MAC_AT_DATA_READY BIT(0)
+
+/* Wt mac ad0 */
+#define MAC_W_PORT_MAP GENMASK(13, 12)
+#define MAC_W_LAN_PORT_1 BIT(13)
+#define MAC_W_LAN_PORT_0 BIT(12)
+#define MAC_W_CPU_PORT GENMASK(11, 10)
+#define MAC_W_CPU_PORT_1 BIT(11)
+#define MAC_W_CPU_PORT_0 BIT(10)
+#define MAC_W_VID GENMASK(9, 7)
+#define MAC_W_AGE GENMASK(6, 4)
+#define MAC_W_PROXY BIT(3)
+#define MAC_W_MC_INGRESS BIT(2)
+#define MAC_W_MAC_DONE BIT(1)
+#define MAC_W_MAC_CMD BIT(0)
+
+/* W mac 15_0 bus */
+#define MAC_W_MAC_15_0 GENMASK(15, 0)
+
+/* W mac 47_16 bus */
+#define MAC_W_MAC_47_16 GENMASK(31, 0)
+
+/* PVID config 0 */
+#define MAC_P1_PVID GENMASK(6, 4)
+#define MAC_P0_PVID GENMASK(2, 0)
+
+/* VLAN member config 0 */
+#define MAC_VLAN_MEMSET_3 GENMASK(27, 24)
+#define MAC_VLAN_MEMSET_2 GENMASK(19, 16)
+#define MAC_VLAN_MEMSET_1 GENMASK(11, 8)
+#define MAC_VLAN_MEMSET_0 GENMASK(3, 0)
+
+/* VLAN member config 1 */
+#define MAC_VLAN_MEMSET_5 GENMASK(11, 8)
+#define MAC_VLAN_MEMSET_4 GENMASK(3, 0)
+
+/* Port ability */
+#define MAC_PORT_ABILITY_LINK_ST GENMASK(25, 24)
+
+/* CPU control */
+#define MAC_EN_SOC1_AGING BIT(15)
+#define MAC_EN_SOC0_AGING BIT(14)
+#define MAC_DIS_LRN_SOC1 BIT(13)
+#define MAC_DIS_LRN_SOC0 BIT(12)
+#define MAC_EN_CRC_SOC1 BIT(9)
+#define MAC_EN_CRC_SOC0 BIT(8)
+#define MAC_DIS_SOC1_CPU BIT(7)
+#define MAC_DIS_SOC0_CPU BIT(6)
+#define MAC_DIS_BC2CPU_P1 BIT(5)
+#define MAC_DIS_BC2CPU_P0 BIT(4)
+#define MAC_DIS_MC2CPU GENMASK(3, 2)
+#define MAC_DIS_MC2CPU_P1 BIT(3)
+#define MAC_DIS_MC2CPU_P0 BIT(2)
+#define MAC_DIS_UN2CPU GENMASK(1, 0)
+
+/* Port control 0 */
+#define MAC_DIS_PORT GENMASK(25, 24)
+#define MAC_DIS_PORT1 BIT(25)
+#define MAC_DIS_PORT0 BIT(24)
+#define MAC_DIS_RMC2CPU_P1 BIT(17)
+#define MAC_DIS_RMC2CPU_P0 BIT(16)
+#define MAC_EN_FLOW_CTL_P1 BIT(9)
+#define MAC_EN_FLOW_CTL_P0 BIT(8)
+#define MAC_EN_BACK_PRESS_P1 BIT(1)
+#define MAC_EN_BACK_PRESS_P0 BIT(0)
+
+/* Port control 1 */
+#define MAC_DIS_SA_LRN_P1 BIT(9)
+#define MAC_DIS_SA_LRN_P0 BIT(8)
+
+/* Port control 2 */
+#define MAC_EN_AGING_P1 BIT(9)
+#define MAC_EN_AGING_P0 BIT(8)
+
+/* Switch Global control */
+#define MAC_RMC_TB_FAULT_RULE GENMASK(26, 25)
+#define MAC_LED_FLASH_TIME GENMASK(24, 23)
+#define MAC_BC_STORM_PREV GENMASK(5, 4)
+
+/* LED port 0 */
+#define MAC_LED_ACT_HI BIT(28)
+
+/* PHY control register 0 */
+#define MAC_CPU_PHY_WT_DATA GENMASK(31, 16)
+#define MAC_CPU_PHY_CMD GENMASK(14, 13)
+#define MAC_CPU_PHY_REG_ADDR GENMASK(12, 8)
+#define MAC_CPU_PHY_ADDR GENMASK(4, 0)
+
+/* PHY control register 1 */
+#define MAC_CPU_PHY_RD_DATA GENMASK(31, 16)
+#define MAC_PHY_RD_RDY BIT(1)
+#define MAC_PHY_WT_DONE BIT(0)
+
+/* MAC force mode */
+#define MAC_EXT_PHY1_ADDR GENMASK(28, 24)
+#define MAC_EXT_PHY0_ADDR GENMASK(20, 16)
+#define MAC_FORCE_RMII_LINK GENMASK(9, 8)
+#define MAC_FORCE_RMII_EN_1 BIT(7)
+#define MAC_FORCE_RMII_EN_0 BIT(6)
+#define MAC_FORCE_RMII_FC GENMASK(5, 4)
+#define MAC_FORCE_RMII_DPX GENMASK(3, 2)
+#define MAC_FORCE_RMII_SPD GENMASK(1, 0)
+
+/* CPU transmit trigger */
+#define MAC_TRIG_L_SOC0 BIT(1)
+#define MAC_TRIG_H_SOC0 BIT(0)
+
+/* Config descriptor queue */
+#define TX_DESC_NUM 16 /* # of descriptors in TX queue */
+#define MAC_GUARD_DESC_NUM 2 /* # of descriptors of gap 0 */
+#define RX_QUEUE0_DESC_NUM 16 /* # of descriptors in RX queue 0 */
+#define RX_QUEUE1_DESC_NUM 16 /* # of descriptors in RX queue 1 */
+#define TX_DESC_QUEUE_NUM 1 /* # of TX queue */
+#define RX_DESC_QUEUE_NUM 2 /* # of RX queue */
+
+#define MAC_RX_LEN_MAX 2047 /* Size of RX buffer */
+
+/* Tx descriptor */
+/* cmd1 */
+#define TXD_OWN BIT(31)
+#define TXD_ERR_CODE GENMASK(29, 26)
+#define TXD_SOP BIT(25) /* start of a packet */
+#define TXD_EOP BIT(24) /* end of a packet */
+#define TXD_VLAN GENMASK(17, 12)
+#define TXD_PKT_LEN GENMASK(10, 0) /* packet length */
+/* cmd2 */
+#define TXD_EOR BIT(31) /* end of ring */
+#define TXD_BUF_LEN2 GENMASK(22, 12)
+#define TXD_BUF_LEN1 GENMASK(10, 0)
+
+/* Rx descriptor */
+/* cmd1 */
+#define RXD_OWN BIT(31)
+#define RXD_ERR_CODE GENMASK(29, 26)
+#define RXD_TCP_UDP_CHKSUM BIT(23)
+#define RXD_PROXY BIT(22)
+#define RXD_PROTOCOL GENMASK(21, 20)
+#define RXD_VLAN_TAG BIT(19)
+#define RXD_IP_CHKSUM BIT(18)
+#define RXD_ROUTE_TYPE GENMASK(17, 16)
+#define RXD_PKT_SP GENMASK(14, 12) /* packet source port */
+#define RXD_PKT_LEN GENMASK(10, 0) /* packet length */
+/* cmd2 */
+#define RXD_EOR BIT(31) /* end of ring */
+#define RXD_BUF_LEN2 GENMASK(22, 12)
+#define RXD_BUF_LEN1 GENMASK(10, 0)
+
+/* structure of descriptor */
+struct spl2sw_mac_desc {
+ u32 cmd1;
+ u32 cmd2;
+ u32 addr1;
+ u32 addr2;
+};
+
+struct spl2sw_skb_info {
+ struct sk_buff *skb;
+ u32 mapping;
+ u32 len;
+};
+
+struct spl2sw_common {
+ void __iomem *l2sw_reg_base;
+
+ struct platform_device *pdev;
+ struct reset_control *rstc;
+ struct clk *clk;
+
+ void *desc_base;
+ dma_addr_t desc_dma;
+ s32 desc_size;
+ struct spl2sw_mac_desc *rx_desc[RX_DESC_QUEUE_NUM];
+ struct spl2sw_skb_info *rx_skb_info[RX_DESC_QUEUE_NUM];
+ u32 rx_pos[RX_DESC_QUEUE_NUM];
+ u32 rx_desc_num[RX_DESC_QUEUE_NUM];
+ u32 rx_desc_buff_size;
+
+ struct spl2sw_mac_desc *tx_desc;
+ struct spl2sw_skb_info tx_temp_skb_info[TX_DESC_NUM];
+ u32 tx_done_pos;
+ u32 tx_pos;
+ u32 tx_desc_full;
+
+ struct net_device *ndev[MAX_NETDEV_NUM];
+ struct mii_bus *mii_bus;
+
+ struct napi_struct rx_napi;
+ struct napi_struct tx_napi;
+
+ spinlock_t tx_lock; /* spinlock for accessing tx buffer */
+ spinlock_t mdio_lock; /* spinlock for mdio commands */
+ spinlock_t int_mask_lock; /* spinlock for accessing int mask reg. */
+
+ u8 enable;
+};
+
+struct spl2sw_mac {
+ struct net_device *ndev;
+ struct spl2sw_common *comm;
+
+ u8 mac_addr[ETH_ALEN];
+ phy_interface_t phy_mode;
+ struct device_node *phy_node;
+
+ u8 lan_port;
+ u8 to_vlan;
+ u8 vlan_id;
+};
+
+#endif