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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/wireless/broadcom/brcm80211/brcmsmac/debug.c
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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/wireless/broadcom/brcm80211/brcmsmac/debug.c')
-rw-r--r--drivers/net/wireless/broadcom/brcm80211/brcmsmac/debug.c251
1 files changed, 251 insertions, 0 deletions
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmsmac/debug.c b/drivers/net/wireless/broadcom/brcm80211/brcmsmac/debug.c
new file mode 100644
index 000000000..6d776ef6f
--- /dev/null
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmsmac/debug.c
@@ -0,0 +1,251 @@
+/*
+ * Copyright (c) 2012 Broadcom Corporation
+ * Copyright (c) 2012 Canonical Ltd.
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+#include <linux/debugfs.h>
+#include <linux/if_ether.h>
+#include <linux/if.h>
+#include <linux/net.h>
+#include <linux/netdevice.h>
+#include <linux/ieee80211.h>
+#include <linux/module.h>
+#include <net/mac80211.h>
+
+#include <defs.h>
+#include <brcmu_wifi.h>
+#include <brcmu_utils.h>
+#include "types.h"
+#include "main.h"
+#include "debug.h"
+#include "brcms_trace_events.h"
+#include "phy/phy_int.h"
+
+static struct dentry *root_folder;
+
+void brcms_debugfs_init(void)
+{
+ root_folder = debugfs_create_dir(KBUILD_MODNAME, NULL);
+}
+
+void brcms_debugfs_exit(void)
+{
+ debugfs_remove_recursive(root_folder);
+ root_folder = NULL;
+}
+
+void brcms_debugfs_attach(struct brcms_pub *drvr)
+{
+ drvr->dbgfs_dir = debugfs_create_dir(
+ dev_name(&drvr->wlc->hw->d11core->dev), root_folder);
+}
+
+void brcms_debugfs_detach(struct brcms_pub *drvr)
+{
+ debugfs_remove_recursive(drvr->dbgfs_dir);
+}
+
+struct dentry *brcms_debugfs_get_devdir(struct brcms_pub *drvr)
+{
+ return drvr->dbgfs_dir;
+}
+
+static
+int brcms_debugfs_hardware_read(struct seq_file *s, void *data)
+{
+ struct brcms_pub *drvr = s->private;
+ struct brcms_hardware *hw = drvr->wlc->hw;
+ struct bcma_device *core = hw->d11core;
+ struct bcma_bus *bus = core->bus;
+ char boardrev[BRCMU_BOARDREV_LEN];
+
+ seq_printf(s, "chipnum 0x%x\n"
+ "chiprev 0x%x\n"
+ "chippackage 0x%x\n"
+ "corerev 0x%x\n"
+ "boardid 0x%x\n"
+ "boardvendor 0x%x\n"
+ "boardrev %s\n"
+ "boardflags 0x%x\n"
+ "boardflags2 0x%x\n"
+ "ucoderev 0x%x\n"
+ "radiorev 0x%x\n"
+ "phytype 0x%x\n"
+ "phyrev 0x%x\n"
+ "anarev 0x%x\n"
+ "nvramrev %d\n",
+ bus->chipinfo.id, bus->chipinfo.rev, bus->chipinfo.pkg,
+ core->id.rev, bus->boardinfo.type, bus->boardinfo.vendor,
+ brcmu_boardrev_str(hw->boardrev, boardrev),
+ drvr->wlc->hw->boardflags, drvr->wlc->hw->boardflags2,
+ drvr->wlc->ucode_rev, hw->band->radiorev,
+ hw->band->phytype, hw->band->phyrev, hw->band->pi->ana_rev,
+ hw->sromrev);
+ return 0;
+}
+
+static int brcms_debugfs_macstat_read(struct seq_file *s, void *data)
+{
+ struct brcms_pub *drvr = s->private;
+ struct brcms_info *wl = drvr->ieee_hw->priv;
+ struct macstat stats;
+ int i;
+
+ spin_lock_bh(&wl->lock);
+ stats = *(drvr->wlc->core->macstat_snapshot);
+ spin_unlock_bh(&wl->lock);
+
+ seq_printf(s, "txallfrm: %d\n", stats.txallfrm);
+ seq_printf(s, "txrtsfrm: %d\n", stats.txrtsfrm);
+ seq_printf(s, "txctsfrm: %d\n", stats.txctsfrm);
+ seq_printf(s, "txackfrm: %d\n", stats.txackfrm);
+ seq_printf(s, "txdnlfrm: %d\n", stats.txdnlfrm);
+ seq_printf(s, "txbcnfrm: %d\n", stats.txbcnfrm);
+ seq_printf(s, "txfunfl[8]:");
+ for (i = 0; i < ARRAY_SIZE(stats.txfunfl); i++)
+ seq_printf(s, " %d", stats.txfunfl[i]);
+ seq_printf(s, "\ntxtplunfl: %d\n", stats.txtplunfl);
+ seq_printf(s, "txphyerr: %d\n", stats.txphyerr);
+ seq_printf(s, "pktengrxducast: %d\n", stats.pktengrxducast);
+ seq_printf(s, "pktengrxdmcast: %d\n", stats.pktengrxdmcast);
+ seq_printf(s, "rxfrmtoolong: %d\n", stats.rxfrmtoolong);
+ seq_printf(s, "rxfrmtooshrt: %d\n", stats.rxfrmtooshrt);
+ seq_printf(s, "rxinvmachdr: %d\n", stats.rxinvmachdr);
+ seq_printf(s, "rxbadfcs: %d\n", stats.rxbadfcs);
+ seq_printf(s, "rxbadplcp: %d\n", stats.rxbadplcp);
+ seq_printf(s, "rxcrsglitch: %d\n", stats.rxcrsglitch);
+ seq_printf(s, "rxstrt: %d\n", stats.rxstrt);
+ seq_printf(s, "rxdfrmucastmbss: %d\n", stats.rxdfrmucastmbss);
+ seq_printf(s, "rxmfrmucastmbss: %d\n", stats.rxmfrmucastmbss);
+ seq_printf(s, "rxcfrmucast: %d\n", stats.rxcfrmucast);
+ seq_printf(s, "rxrtsucast: %d\n", stats.rxrtsucast);
+ seq_printf(s, "rxctsucast: %d\n", stats.rxctsucast);
+ seq_printf(s, "rxackucast: %d\n", stats.rxackucast);
+ seq_printf(s, "rxdfrmocast: %d\n", stats.rxdfrmocast);
+ seq_printf(s, "rxmfrmocast: %d\n", stats.rxmfrmocast);
+ seq_printf(s, "rxcfrmocast: %d\n", stats.rxcfrmocast);
+ seq_printf(s, "rxrtsocast: %d\n", stats.rxrtsocast);
+ seq_printf(s, "rxctsocast: %d\n", stats.rxctsocast);
+ seq_printf(s, "rxdfrmmcast: %d\n", stats.rxdfrmmcast);
+ seq_printf(s, "rxmfrmmcast: %d\n", stats.rxmfrmmcast);
+ seq_printf(s, "rxcfrmmcast: %d\n", stats.rxcfrmmcast);
+ seq_printf(s, "rxbeaconmbss: %d\n", stats.rxbeaconmbss);
+ seq_printf(s, "rxdfrmucastobss: %d\n", stats.rxdfrmucastobss);
+ seq_printf(s, "rxbeaconobss: %d\n", stats.rxbeaconobss);
+ seq_printf(s, "rxrsptmout: %d\n", stats.rxrsptmout);
+ seq_printf(s, "bcntxcancl: %d\n", stats.bcntxcancl);
+ seq_printf(s, "rxf0ovfl: %d\n", stats.rxf0ovfl);
+ seq_printf(s, "rxf1ovfl: %d\n", stats.rxf1ovfl);
+ seq_printf(s, "rxf2ovfl: %d\n", stats.rxf2ovfl);
+ seq_printf(s, "txsfovfl: %d\n", stats.txsfovfl);
+ seq_printf(s, "pmqovfl: %d\n", stats.pmqovfl);
+ seq_printf(s, "rxcgprqfrm: %d\n", stats.rxcgprqfrm);
+ seq_printf(s, "rxcgprsqovfl: %d\n", stats.rxcgprsqovfl);
+ seq_printf(s, "txcgprsfail: %d\n", stats.txcgprsfail);
+ seq_printf(s, "txcgprssuc: %d\n", stats.txcgprssuc);
+ seq_printf(s, "prs_timeout: %d\n", stats.prs_timeout);
+ seq_printf(s, "rxnack: %d\n", stats.rxnack);
+ seq_printf(s, "frmscons: %d\n", stats.frmscons);
+ seq_printf(s, "txnack: %d\n", stats.txnack);
+ seq_printf(s, "txglitch_nack: %d\n", stats.txglitch_nack);
+ seq_printf(s, "txburst: %d\n", stats.txburst);
+ seq_printf(s, "bphy_rxcrsglitch: %d\n", stats.bphy_rxcrsglitch);
+ seq_printf(s, "phywatchdog: %d\n", stats.phywatchdog);
+ seq_printf(s, "bphy_badplcp: %d\n", stats.bphy_badplcp);
+ return 0;
+}
+
+struct brcms_debugfs_entry {
+ int (*read)(struct seq_file *seq, void *data);
+ struct brcms_pub *drvr;
+};
+
+static int brcms_debugfs_entry_open(struct inode *inode, struct file *f)
+{
+ struct brcms_debugfs_entry *entry = inode->i_private;
+
+ return single_open(f, entry->read, entry->drvr);
+}
+
+static const struct file_operations brcms_debugfs_def_ops = {
+ .owner = THIS_MODULE,
+ .open = brcms_debugfs_entry_open,
+ .release = single_release,
+ .read = seq_read,
+ .llseek = seq_lseek
+};
+
+static void
+brcms_debugfs_add_entry(struct brcms_pub *drvr, const char *fn,
+ int (*read_fn)(struct seq_file *seq, void *data))
+{
+ struct device *dev = &drvr->wlc->hw->d11core->dev;
+ struct dentry *dentry = drvr->dbgfs_dir;
+ struct brcms_debugfs_entry *entry;
+
+ entry = devm_kzalloc(dev, sizeof(*entry), GFP_KERNEL);
+ if (!entry)
+ return;
+
+ entry->read = read_fn;
+ entry->drvr = drvr;
+
+ debugfs_create_file(fn, 0444, dentry, entry, &brcms_debugfs_def_ops);
+}
+
+void brcms_debugfs_create_files(struct brcms_pub *drvr)
+{
+ brcms_debugfs_add_entry(drvr, "hardware", brcms_debugfs_hardware_read);
+ brcms_debugfs_add_entry(drvr, "macstat", brcms_debugfs_macstat_read);
+}
+
+#define __brcms_fn(fn) \
+void __brcms_ ##fn(struct device *dev, const char *fmt, ...) \
+{ \
+ struct va_format vaf = { \
+ .fmt = fmt, \
+ }; \
+ va_list args; \
+ \
+ va_start(args, fmt); \
+ vaf.va = &args; \
+ dev_ ##fn(dev, "%pV", &vaf); \
+ trace_brcms_ ##fn(&vaf); \
+ va_end(args); \
+}
+
+__brcms_fn(info)
+__brcms_fn(warn)
+__brcms_fn(err)
+__brcms_fn(crit)
+
+#if defined(CONFIG_BRCMDBG) || defined(CONFIG_BRCM_TRACING)
+void __brcms_dbg(struct device *dev, u32 level, const char *func,
+ const char *fmt, ...)
+{
+ struct va_format vaf = {
+ .fmt = fmt,
+ };
+ va_list args;
+
+ va_start(args, fmt);
+ vaf.va = &args;
+#ifdef CONFIG_BRCMDBG
+ if ((brcm_msg_level & level) && net_ratelimit())
+ dev_err(dev, "%s %pV", func, &vaf);
+#endif
+ trace_brcms_dbg(level, func, &vaf);
+ va_end(args);
+}
+#endif