From 5b7c4cabbb65f5c469464da6c5f614cbd7f730f2 Mon Sep 17 00:00:00 2001 From: Linus Torvalds Date: Tue, 21 Feb 2023 18:24:12 -0800 Subject: Merge tag 'net-next-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next 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(). ... --- arch/xtensa/kernel/vmlinux.lds.S | 379 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 379 insertions(+) create mode 100644 arch/xtensa/kernel/vmlinux.lds.S (limited to 'arch/xtensa/kernel/vmlinux.lds.S') diff --git a/arch/xtensa/kernel/vmlinux.lds.S b/arch/xtensa/kernel/vmlinux.lds.S new file mode 100644 index 000000000..c14fd96f4 --- /dev/null +++ b/arch/xtensa/kernel/vmlinux.lds.S @@ -0,0 +1,379 @@ +/* + * arch/xtensa/kernel/vmlinux.lds.S + * + * Xtensa linker script + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 2001 - 2008 Tensilica Inc. + * + * Chris Zankel + * Marc Gauthier + * Joe Taylor + */ + +#define RO_EXCEPTION_TABLE_ALIGN 16 + +#include +#include +#include + +#include +#include + +OUTPUT_ARCH(xtensa) +ENTRY(_start) + +#ifdef __XTENSA_EB__ +jiffies = jiffies_64 + 4; +#else +jiffies = jiffies_64; +#endif + +/* Note: In the following macros, it would be nice to specify only the + vector name and section kind and construct "sym" and "section" using + CPP concatenation, but that does not work reliably. Concatenating a + string with "." produces an invalid token. CPP will not print a + warning because it thinks this is an assembly file, but it leaves + them as multiple tokens and there may or may not be whitespace + between them. */ + +/* Macro for a relocation entry */ + +#define RELOCATE_ENTRY(sym, section) \ + LONG(sym ## _start); \ + LONG(sym ## _end); \ + LONG(LOADADDR(section)) + +#if !defined(CONFIG_VECTORS_ADDR) && XCHAL_HAVE_VECBASE +#define MERGED_VECTORS 1 +#else +#define MERGED_VECTORS 0 +#endif + +/* + * Macro to define a section for a vector. When MERGED_VECTORS is 0 + * code for every vector is located with other init data. At startup + * time head.S copies code for every vector to its final position according + * to description recorded in the corresponding RELOCATE_ENTRY. + */ + +#define SECTION_VECTOR4(sym, section, addr, prevsec) \ + section addr : AT(((LOADADDR(prevsec) + SIZEOF(prevsec)) + 3) & ~ 3) \ + { \ + . = ALIGN(4); \ + sym ## _start = ABSOLUTE(.); \ + *(section) \ + sym ## _end = ABSOLUTE(.); \ + } + +#define SECTION_VECTOR2(section, addr) \ + . = addr; \ + *(section) + +/* + * Mapping of input sections to output sections when linking. + */ + +SECTIONS +{ + . = KERNELOFFSET; + /* .text section */ + + _text = .; + _stext = .; + + .text : + { + /* The HEAD_TEXT section must be the first section! */ + HEAD_TEXT + +#if MERGED_VECTORS + . = ALIGN(PAGE_SIZE); + _vecbase = .; + +#ifdef SUPPORT_WINDOWED + SECTION_VECTOR2 (.WindowVectors.text, WINDOW_VECTORS_VADDR) +#endif +#if XCHAL_EXCM_LEVEL >= 2 + SECTION_VECTOR2 (.Level2InterruptVector.text, INTLEVEL2_VECTOR_VADDR) +#endif +#if XCHAL_EXCM_LEVEL >= 3 + SECTION_VECTOR2 (.Level3InterruptVector.text, INTLEVEL3_VECTOR_VADDR) +#endif +#if XCHAL_EXCM_LEVEL >= 4 + SECTION_VECTOR2 (.Level4InterruptVector.text, INTLEVEL4_VECTOR_VADDR) +#endif +#if XCHAL_EXCM_LEVEL >= 5 + SECTION_VECTOR2 (.Level5InterruptVector.text, INTLEVEL5_VECTOR_VADDR) +#endif +#if XCHAL_EXCM_LEVEL >= 6 + SECTION_VECTOR2 (.Level6InterruptVector.text, INTLEVEL6_VECTOR_VADDR) +#endif + SECTION_VECTOR2 (.DebugInterruptVector.text, DEBUG_VECTOR_VADDR) + SECTION_VECTOR2 (.KernelExceptionVector.text, KERNEL_VECTOR_VADDR) + SECTION_VECTOR2 (.UserExceptionVector.text, USER_VECTOR_VADDR) + SECTION_VECTOR2 (.DoubleExceptionVector.text, DOUBLEEXC_VECTOR_VADDR) + + *(.exception.text) +#endif + + IRQENTRY_TEXT + SOFTIRQENTRY_TEXT + ENTRY_TEXT + TEXT_TEXT + SCHED_TEXT + LOCK_TEXT + *(.fixup) + } + _etext = .; + PROVIDE (etext = .); + + . = ALIGN(16); + + RO_DATA(4096) + + /* Data section */ + +#ifdef CONFIG_XIP_KERNEL + INIT_TEXT_SECTION(PAGE_SIZE) +#else + _sdata = .; + RW_DATA(XCHAL_ICACHE_LINESIZE, PAGE_SIZE, THREAD_SIZE) + _edata = .; + + /* Initialization code and data: */ + + . = ALIGN(PAGE_SIZE); + __init_begin = .; + INIT_TEXT_SECTION(PAGE_SIZE) + + .init.data : + { + INIT_DATA + } +#endif + + .init.rodata : + { + . = ALIGN(0x4); + __tagtable_begin = .; + *(.taglist) + __tagtable_end = .; + + . = ALIGN(16); + __boot_reloc_table_start = ABSOLUTE(.); + +#if !MERGED_VECTORS +#ifdef SUPPORT_WINDOWED + RELOCATE_ENTRY(_WindowVectors_text, + .WindowVectors.text); +#endif +#if XCHAL_EXCM_LEVEL >= 2 + RELOCATE_ENTRY(_Level2InterruptVector_text, + .Level2InterruptVector.text); +#endif +#if XCHAL_EXCM_LEVEL >= 3 + RELOCATE_ENTRY(_Level3InterruptVector_text, + .Level3InterruptVector.text); +#endif +#if XCHAL_EXCM_LEVEL >= 4 + RELOCATE_ENTRY(_Level4InterruptVector_text, + .Level4InterruptVector.text); +#endif +#if XCHAL_EXCM_LEVEL >= 5 + RELOCATE_ENTRY(_Level5InterruptVector_text, + .Level5InterruptVector.text); +#endif +#if XCHAL_EXCM_LEVEL >= 6 + RELOCATE_ENTRY(_Level6InterruptVector_text, + .Level6InterruptVector.text); +#endif + RELOCATE_ENTRY(_KernelExceptionVector_text, + .KernelExceptionVector.text); + RELOCATE_ENTRY(_UserExceptionVector_text, + .UserExceptionVector.text); + RELOCATE_ENTRY(_DoubleExceptionVector_text, + .DoubleExceptionVector.text); + RELOCATE_ENTRY(_DebugInterruptVector_text, + .DebugInterruptVector.text); + RELOCATE_ENTRY(_exception_text, + .exception.text); +#endif +#ifdef CONFIG_XIP_KERNEL + RELOCATE_ENTRY(_xip_data, .data); + RELOCATE_ENTRY(_xip_init_data, .init.data); +#endif +#if defined(CONFIG_SECONDARY_RESET_VECTOR) + RELOCATE_ENTRY(_SecondaryResetVector_text, + .SecondaryResetVector.text); +#endif + + __boot_reloc_table_end = ABSOLUTE(.) ; + + INIT_SETUP(XCHAL_ICACHE_LINESIZE) + INIT_CALLS + CON_INITCALL + INIT_RAM_FS + } + + PERCPU_SECTION(XCHAL_ICACHE_LINESIZE) + + /* We need this dummy segment here */ + + . = ALIGN(4); + .dummy : { LONG(0) } + +#undef LAST +#define LAST .dummy + +#if !MERGED_VECTORS + /* The vectors are relocated to the real position at startup time */ + +#ifdef SUPPORT_WINDOWED + SECTION_VECTOR4 (_WindowVectors_text, + .WindowVectors.text, + WINDOW_VECTORS_VADDR, + LAST) +#undef LAST +#define LAST .WindowVectors.text +#endif + SECTION_VECTOR4 (_DebugInterruptVector_text, + .DebugInterruptVector.text, + DEBUG_VECTOR_VADDR, + LAST) +#undef LAST +#define LAST .DebugInterruptVector.text +#if XCHAL_EXCM_LEVEL >= 2 + SECTION_VECTOR4 (_Level2InterruptVector_text, + .Level2InterruptVector.text, + INTLEVEL2_VECTOR_VADDR, + LAST) +# undef LAST +# define LAST .Level2InterruptVector.text +#endif +#if XCHAL_EXCM_LEVEL >= 3 + SECTION_VECTOR4 (_Level3InterruptVector_text, + .Level3InterruptVector.text, + INTLEVEL3_VECTOR_VADDR, + LAST) +# undef LAST +# define LAST .Level3InterruptVector.text +#endif +#if XCHAL_EXCM_LEVEL >= 4 + SECTION_VECTOR4 (_Level4InterruptVector_text, + .Level4InterruptVector.text, + INTLEVEL4_VECTOR_VADDR, + LAST) +# undef LAST +# define LAST .Level4InterruptVector.text +#endif +#if XCHAL_EXCM_LEVEL >= 5 + SECTION_VECTOR4 (_Level5InterruptVector_text, + .Level5InterruptVector.text, + INTLEVEL5_VECTOR_VADDR, + LAST) +# undef LAST +# define LAST .Level5InterruptVector.text +#endif +#if XCHAL_EXCM_LEVEL >= 6 + SECTION_VECTOR4 (_Level6InterruptVector_text, + .Level6InterruptVector.text, + INTLEVEL6_VECTOR_VADDR, + LAST) +# undef LAST +# define LAST .Level6InterruptVector.text +#endif + SECTION_VECTOR4 (_KernelExceptionVector_text, + .KernelExceptionVector.text, + KERNEL_VECTOR_VADDR, + LAST) +#undef LAST + SECTION_VECTOR4 (_UserExceptionVector_text, + .UserExceptionVector.text, + USER_VECTOR_VADDR, + .KernelExceptionVector.text) + SECTION_VECTOR4 (_DoubleExceptionVector_text, + .DoubleExceptionVector.text, + DOUBLEEXC_VECTOR_VADDR, + .UserExceptionVector.text) +#define LAST .DoubleExceptionVector.text + +#endif +#if defined(CONFIG_SECONDARY_RESET_VECTOR) + + SECTION_VECTOR4 (_SecondaryResetVector_text, + .SecondaryResetVector.text, + RESET_VECTOR1_VADDR, + LAST) +#undef LAST +#define LAST .SecondaryResetVector.text + +#endif +#if !MERGED_VECTORS + SECTION_VECTOR4 (_exception_text, + .exception.text, + , + LAST) +#undef LAST +#define LAST .exception.text + +#endif + . = (LOADADDR(LAST) + SIZEOF(LAST) + 3) & ~ 3; + + .dummy1 : AT(ADDR(.dummy1)) { LONG(0) } + . = ALIGN(PAGE_SIZE); + +#ifndef CONFIG_XIP_KERNEL + __init_end = .; + + BSS_SECTION(0, 8192, 0) +#endif + + _end = .; + +#ifdef CONFIG_XIP_KERNEL + . = CONFIG_XIP_DATA_ADDR; + + _xip_start = .; + +#undef LOAD_OFFSET +#define LOAD_OFFSET \ + (CONFIG_XIP_DATA_ADDR - (LOADADDR(.dummy1) + SIZEOF(.dummy1) + 3) & ~ 3) + + _xip_data_start = .; + _sdata = .; + RW_DATA(XCHAL_ICACHE_LINESIZE, PAGE_SIZE, THREAD_SIZE) + _edata = .; + _xip_data_end = .; + + /* Initialization data: */ + + STRUCT_ALIGN(); + + _xip_init_data_start = .; + __init_begin = .; + .init.data : + { + INIT_DATA + } + _xip_init_data_end = .; + __init_end = .; + BSS_SECTION(0, 8192, 0) + + _xip_end = .; + +#undef LOAD_OFFSET +#endif + + DWARF_DEBUG + + .xt.prop 0 : { KEEP(*(.xt.prop .xt.prop.* .gnu.linkonce.prop.*)) } + .xt.insn 0 : { KEEP(*(.xt.insn .xt.insn.* .gnu.linkonce.x*)) } + .xt.lit 0 : { KEEP(*(.xt.lit .xt.lit.* .gnu.linkonce.p*)) } + + /* Sections to be discarded */ + DISCARDS +} -- cgit v1.2.3