| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Vladimir Kondratiev | 5495 | 42.72% | 53 | 51.46% |
| Maya Erez | 3978 | 30.93% | 7 | 6.80% |
| Dedy Lansky | 1823 | 14.17% | 8 | 7.77% |
| Lior David | 563 | 4.38% | 9 | 8.74% |
| Lazar Alexei | 326 | 2.53% | 3 | 2.91% |
| Gidon Studinski | 324 | 2.52% | 4 | 3.88% |
| Ahmad Masri | 106 | 0.82% | 2 | 1.94% |
| Yangtao Li | 93 | 0.72% | 1 | 0.97% |
| Boris Sorochkin | 47 | 0.37% | 1 | 0.97% |
| Toke Höiland-Jörgensen | 39 | 0.30% | 1 | 0.97% |
| Alexei Avshalom Lazar | 27 | 0.21% | 3 | 2.91% |
| Andy Shevchenko | 13 | 0.10% | 1 | 0.97% |
| Hamad Kadmany | 10 | 0.08% | 2 | 1.94% |
| Lino Sanfilippo | 6 | 0.05% | 1 | 0.97% |
| Yue haibing | 4 | 0.03% | 1 | 0.97% |
| Wei Yongjun | 2 | 0.02% | 1 | 0.97% |
| Chen Gang S | 2 | 0.02% | 1 | 0.97% |
| Geliang Tang | 2 | 0.02% | 1 | 0.97% |
| Al Viro | 1 | 0.01% | 1 | 0.97% |
| Vladimir Shulman | 1 | 0.01% | 1 | 0.97% |
| Colin Ian King | 1 | 0.01% | 1 | 0.97% |
| Total | 12863 | 103 |
/* * Copyright (c) 2012-2017 Qualcomm Atheros, Inc. * Copyright (c) 2018, The Linux Foundation. All rights reserved. * * 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/module.h> #include <linux/debugfs.h> #include <linux/seq_file.h> #include <linux/pci.h> #include <linux/rtnetlink.h> #include <linux/power_supply.h> #include "wil6210.h" #include "wmi.h" #include "txrx.h" #include "pmc.h" /* Nasty hack. Better have per device instances */ static u32 mem_addr; static u32 dbg_txdesc_index; static u32 dbg_ring_index; /* 24+ for Rx, 0..23 for Tx */ static u32 dbg_status_msg_index; /* 0..wil->num_rx_status_rings-1 for Rx, wil->tx_sring_idx for Tx */ static u32 dbg_sring_index; enum dbg_off_type { doff_u32 = 0, doff_x32 = 1, doff_ulong = 2, doff_io32 = 3, doff_u8 = 4 }; /* offset to "wil" */ struct dbg_off { const char *name; umode_t mode; ulong off; enum dbg_off_type type; }; static void wil_print_desc_edma(struct seq_file *s, struct wil6210_priv *wil, struct wil_ring *ring, char _s, char _h, int idx) { u8 num_of_descs; bool has_skb = false; if (ring->is_rx) { struct wil_rx_enhanced_desc *rx_d = (struct wil_rx_enhanced_desc *) &ring->va[idx].rx.enhanced; u16 buff_id = le16_to_cpu(rx_d->mac.buff_id); has_skb = wil->rx_buff_mgmt.buff_arr[buff_id].skb; seq_printf(s, "%c", (has_skb) ? _h : _s); } else { struct wil_tx_enhanced_desc *d = (struct wil_tx_enhanced_desc *) &ring->va[idx].tx.enhanced; num_of_descs = (u8)d->mac.d[2]; has_skb = ring->ctx[idx].skb; if (num_of_descs >= 1) seq_printf(s, "%c", ring->ctx[idx].skb ? _h : _s); else /* num_of_descs == 0, it's a frag in a list of descs */ seq_printf(s, "%c", has_skb ? 'h' : _s); } } static void wil_print_ring(struct seq_file *s, struct wil6210_priv *wil, const char *name, struct wil_ring *ring, char _s, char _h) { void __iomem *x = wmi_addr(wil, ring->hwtail); u32 v; seq_printf(s, "RING %s = {\n", name); seq_printf(s, " pa = %pad\n", &ring->pa); seq_printf(s, " va = 0x%p\n", ring->va); seq_printf(s, " size = %d\n", ring->size); if (wil->use_enhanced_dma_hw && ring->is_rx) seq_printf(s, " swtail = %u\n", *ring->edma_rx_swtail.va); else seq_printf(s, " swtail = %d\n", ring->swtail); seq_printf(s, " swhead = %d\n", ring->swhead); seq_printf(s, " hwtail = [0x%08x] -> ", ring->hwtail); if (x) { v = readl(x); seq_printf(s, "0x%08x = %d\n", v, v); } else { seq_puts(s, "???\n"); } if (ring->va && (ring->size <= (1 << WIL_RING_SIZE_ORDER_MAX))) { uint i; for (i = 0; i < ring->size; i++) { if ((i % 128) == 0 && i != 0) seq_puts(s, "\n"); if (wil->use_enhanced_dma_hw) { wil_print_desc_edma(s, wil, ring, _s, _h, i); } else { volatile struct vring_tx_desc *d = &ring->va[i].tx.legacy; seq_printf(s, "%c", (d->dma.status & BIT(0)) ? _s : (ring->ctx[i].skb ? _h : 'h')); } } seq_puts(s, "\n"); } seq_puts(s, "}\n"); } static int ring_show(struct seq_file *s, void *data) { uint i; struct wil6210_priv *wil = s->private; wil_print_ring(s, wil, "rx", &wil->ring_rx, 'S', '_'); for (i = 0; i < ARRAY_SIZE(wil->ring_tx); i++) { struct wil_ring *ring = &wil->ring_tx[i]; struct wil_ring_tx_data *txdata = &wil->ring_tx_data[i]; if (ring->va) { int cid = wil->ring2cid_tid[i][0]; int tid = wil->ring2cid_tid[i][1]; u32 swhead = ring->swhead; u32 swtail = ring->swtail; int used = (ring->size + swhead - swtail) % ring->size; int avail = ring->size - used - 1; char name[10]; char sidle[10]; /* performance monitoring */ cycles_t now = get_cycles(); uint64_t idle = txdata->idle * 100; uint64_t total = now - txdata->begin; if (total != 0) { do_div(idle, total); snprintf(sidle, sizeof(sidle), "%3d%%", (int)idle); } else { snprintf(sidle, sizeof(sidle), "N/A"); } txdata->begin = now; txdata->idle = 0ULL; snprintf(name, sizeof(name), "tx_%2d", i); if (cid < WIL6210_MAX_CID) seq_printf(s, "\n%pM CID %d TID %d 1x%s BACK([%u] %u TU A%s) [%3d|%3d] idle %s\n", wil->sta[cid].addr, cid, tid, txdata->dot1x_open ? "+" : "-", txdata->agg_wsize, txdata->agg_timeout, txdata->agg_amsdu ? "+" : "-", used, avail, sidle); else seq_printf(s, "\nBroadcast 1x%s [%3d|%3d] idle %s\n", txdata->dot1x_open ? "+" : "-", used, avail, sidle); wil_print_ring(s, wil, name, ring, '_', 'H'); } } return 0; } DEFINE_SHOW_ATTRIBUTE(ring); static void wil_print_sring(struct seq_file *s, struct wil6210_priv *wil, struct wil_status_ring *sring) { void __iomem *x = wmi_addr(wil, sring->hwtail); int sring_idx = sring - wil->srings; u32 v; seq_printf(s, "Status Ring %s [ %d ] = {\n", sring->is_rx ? "RX" : "TX", sring_idx); seq_printf(s, " pa = %pad\n", &sring->pa); seq_printf(s, " va = 0x%pK\n", sring->va); seq_printf(s, " size = %d\n", sring->size); seq_printf(s, " elem_size = %zu\n", sring->elem_size); seq_printf(s, " swhead = %d\n", sring->swhead); seq_printf(s, " hwtail = [0x%08x] -> ", sring->hwtail); if (x) { v = readl_relaxed(x); seq_printf(s, "0x%08x = %d\n", v, v); } else { seq_puts(s, "???\n"); } seq_printf(s, " desc_rdy_pol = %d\n", sring->desc_rdy_pol); if (sring->va && (sring->size <= (1 << WIL_RING_SIZE_ORDER_MAX))) { uint i; for (i = 0; i < sring->size; i++) { u32 *sdword_0 = (u32 *)(sring->va + (sring->elem_size * i)); if ((i % 128) == 0 && i != 0) seq_puts(s, "\n"); if (i == sring->swhead) seq_printf(s, "%c", (*sdword_0 & BIT(31)) ? 'X' : 'x'); else seq_printf(s, "%c", (*sdword_0 & BIT(31)) ? '1' : '0'); } seq_puts(s, "\n"); } seq_puts(s, "}\n"); } static int srings_show(struct seq_file *s, void *data) { struct wil6210_priv *wil = s->private; int i = 0; for (i = 0; i < WIL6210_MAX_STATUS_RINGS; i++) if (wil->srings[i].va) wil_print_sring(s, wil, &wil->srings[i]); return 0; } DEFINE_SHOW_ATTRIBUTE(srings); static void wil_seq_hexdump(struct seq_file *s, void *p, int len, const char *prefix) { seq_hex_dump(s, prefix, DUMP_PREFIX_NONE, 16, 1, p, len, false); } static void wil_print_mbox_ring(struct seq_file *s, const char *prefix, void __iomem *off) { struct wil6210_priv *wil = s->private; struct wil6210_mbox_ring r; int rsize; uint i; wil_halp_vote(wil); wil_memcpy_fromio_32(&r, off, sizeof(r)); wil_mbox_ring_le2cpus(&r); /* * we just read memory block from NIC. This memory may be * garbage. Check validity before using it. */ rsize = r.size / sizeof(struct wil6210_mbox_ring_desc); seq_printf(s, "ring %s = {\n", prefix); seq_printf(s, " base = 0x%08x\n", r.base); seq_printf(s, " size = 0x%04x bytes -> %d entries\n", r.size, rsize); seq_printf(s, " tail = 0x%08x\n", r.tail); seq_printf(s, " head = 0x%08x\n", r.head); seq_printf(s, " entry size = %d\n", r.entry_size); if (r.size % sizeof(struct wil6210_mbox_ring_desc)) { seq_printf(s, " ??? size is not multiple of %zd, garbage?\n", sizeof(struct wil6210_mbox_ring_desc)); goto out; } if (!wmi_addr(wil, r.base) || !wmi_addr(wil, r.tail) || !wmi_addr(wil, r.head)) { seq_puts(s, " ??? pointers are garbage?\n"); goto out; } for (i = 0; i < rsize; i++) { struct wil6210_mbox_ring_desc d; struct wil6210_mbox_hdr hdr; size_t delta = i * sizeof(d); void __iomem *x = wil->csr + HOSTADDR(r.base) + delta; wil_memcpy_fromio_32(&d, x, sizeof(d)); seq_printf(s, " [%2x] %s %s%s 0x%08x", i, d.sync ? "F" : "E", (r.tail - r.base == delta) ? "t" : " ", (r.head - r.base == delta) ? "h" : " ", le32_to_cpu(d.addr)); if (0 == wmi_read_hdr(wil, d.addr, &hdr)) { u16 len = le16_to_cpu(hdr.len); seq_printf(s, " -> %04x %04x %04x %02x\n", le16_to_cpu(hdr.seq), len, le16_to_cpu(hdr.type), hdr.flags); if (len <= MAX_MBOXITEM_SIZE) { unsigned char databuf[MAX_MBOXITEM_SIZE]; void __iomem *src = wmi_buffer(wil, d.addr) + sizeof(struct wil6210_mbox_hdr); /* * No need to check @src for validity - * we already validated @d.addr while * reading header */ wil_memcpy_fromio_32(databuf, src, len); wil_seq_hexdump(s, databuf, len, " : "); } } else { seq_puts(s, "\n"); } } out: seq_puts(s, "}\n"); wil_halp_unvote(wil); } static int mbox_show(struct seq_file *s, void *data) { struct wil6210_priv *wil = s->private; int ret; ret = wil_pm_runtime_get(wil); if (ret < 0) return ret; wil_print_mbox_ring(s, "tx", wil->csr + HOST_MBOX + offsetof(struct wil6210_mbox_ctl, tx)); wil_print_mbox_ring(s, "rx", wil->csr + HOST_MBOX + offsetof(struct wil6210_mbox_ctl, rx)); wil_pm_runtime_put(wil); return 0; } DEFINE_SHOW_ATTRIBUTE(mbox); static int wil_debugfs_iomem_x32_set(void *data, u64 val) { struct wil_debugfs_iomem_data *d = (struct wil_debugfs_iomem_data *)data; struct wil6210_priv *wil = d->wil; int ret; ret = wil_pm_runtime_get(wil); if (ret < 0) return ret; writel(val, (void __iomem *)d->offset); wmb(); /* make sure write propagated to HW */ wil_pm_runtime_put(wil); return 0; } static int wil_debugfs_iomem_x32_get(void *data, u64 *val) { struct wil_debugfs_iomem_data *d = (struct wil_debugfs_iomem_data *)data; struct wil6210_priv *wil = d->wil; int ret; ret = wil_pm_runtime_get(wil); if (ret < 0) return ret; *val = readl((void __iomem *)d->offset); wil_pm_runtime_put(wil); return 0; } DEFINE_DEBUGFS_ATTRIBUTE(fops_iomem_x32, wil_debugfs_iomem_x32_get, wil_debugfs_iomem_x32_set, "0x%08llx\n"); static struct dentry *wil_debugfs_create_iomem_x32(const char *name, umode_t mode, struct dentry *parent, void *value, struct wil6210_priv *wil) { struct dentry *file; struct wil_debugfs_iomem_data *data = &wil->dbg_data.data_arr[ wil->dbg_data.iomem_data_count]; data->wil = wil; data->offset = value; file = debugfs_create_file_unsafe(name, mode, parent, data, &fops_iomem_x32); if (!IS_ERR_OR_NULL(file)) wil->dbg_data.iomem_data_count++; return file; } static int wil_debugfs_ulong_set(void *data, u64 val) { *(ulong *)data = val; return 0; } static int wil_debugfs_ulong_get(void *data, u64 *val) { *val = *(ulong *)data; return 0; } DEFINE_DEBUGFS_ATTRIBUTE(wil_fops_ulong, wil_debugfs_ulong_get, wil_debugfs_ulong_set, "0x%llx\n"); static struct dentry *wil_debugfs_create_ulong(const char *name, umode_t mode, struct dentry *parent, ulong *value) { return debugfs_create_file_unsafe(name, mode, parent, value, &wil_fops_ulong); } /** * wil6210_debugfs_init_offset - create set of debugfs files * @wil - driver's context, used for printing * @dbg - directory on the debugfs, where files will be created * @base - base address used in address calculation * @tbl - table with file descriptions. Should be terminated with empty element. * * Creates files accordingly to the @tbl. */ static void wil6210_debugfs_init_offset(struct wil6210_priv *wil, struct dentry *dbg, void *base, const struct dbg_off * const tbl) { int i; for (i = 0; tbl[i].name; i++) { struct dentry *f; switch (tbl[i].type) { case doff_u32: f = debugfs_create_u32(tbl[i].name, tbl[i].mode, dbg, base + tbl[i].off); break; case doff_x32: f = debugfs_create_x32(tbl[i].name, tbl[i].mode, dbg, base + tbl[i].off); break; case doff_ulong: f = wil_debugfs_create_ulong(tbl[i].name, tbl[i].mode, dbg, base + tbl[i].off); break; case doff_io32: f = wil_debugfs_create_iomem_x32(tbl[i].name, tbl[i].mode, dbg, base + tbl[i].off, wil); break; case doff_u8: f = debugfs_create_u8(tbl[i].name, tbl[i].mode, dbg, base + tbl[i].off); break; default: f = ERR_PTR(-EINVAL); } if (IS_ERR_OR_NULL(f)) wil_err(wil, "Create file \"%s\": err %ld\n", tbl[i].name, PTR_ERR(f)); } } static const struct dbg_off isr_off[] = { {"ICC", 0644, offsetof(struct RGF_ICR, ICC), doff_io32}, {"ICR", 0644, offsetof(struct RGF_ICR, ICR), doff_io32}, {"ICM", 0644, offsetof(struct RGF_ICR, ICM), doff_io32}, {"ICS", 0244, offsetof(struct RGF_ICR, ICS), doff_io32}, {"IMV", 0644, offsetof(struct RGF_ICR, IMV), doff_io32}, {"IMS", 0244, offsetof(struct RGF_ICR, IMS), doff_io32}, {"IMC", 0244, offsetof(struct RGF_ICR, IMC), doff_io32}, {}, }; static int wil6210_debugfs_create_ISR(struct wil6210_priv *wil, const char *name, struct dentry *parent, u32 off) { struct dentry *d = debugfs_create_dir(name, parent); if (IS_ERR_OR_NULL(d)) return -ENODEV; wil6210_debugfs_init_offset(wil, d, (void * __force)wil->csr + off, isr_off); return 0; } static const struct dbg_off pseudo_isr_off[] = { {"CAUSE", 0444, HOSTADDR(RGF_DMA_PSEUDO_CAUSE), doff_io32}, {"MASK_SW", 0444, HOSTADDR(RGF_DMA_PSEUDO_CAUSE_MASK_SW), doff_io32}, {"MASK_FW", 0444, HOSTADDR(RGF_DMA_PSEUDO_CAUSE_MASK_FW), doff_io32}, {}, }; static int wil6210_debugfs_create_pseudo_ISR(struct wil6210_priv *wil, struct dentry *parent) { struct dentry *d = debugfs_create_dir("PSEUDO_ISR", parent); if (IS_ERR_OR_NULL(d)) return -ENODEV; wil6210_debugfs_init_offset(wil, d, (void * __force)wil->csr, pseudo_isr_off); return 0; } static const struct dbg_off lgc_itr_cnt_off[] = { {"TRSH", 0644, HOSTADDR(RGF_DMA_ITR_CNT_TRSH), doff_io32}, {"DATA", 0644, HOSTADDR(RGF_DMA_ITR_CNT_DATA), doff_io32}, {"CTL", 0644, HOSTADDR(RGF_DMA_ITR_CNT_CRL), doff_io32}, {}, }; static const struct dbg_off tx_itr_cnt_off[] = { {"TRSH", 0644, HOSTADDR(RGF_DMA_ITR_TX_CNT_TRSH), doff_io32}, {"DATA", 0644, HOSTADDR(RGF_DMA_ITR_TX_CNT_DATA), doff_io32}, {"CTL", 0644, HOSTADDR(RGF_DMA_ITR_TX_CNT_CTL), doff_io32}, {"IDL_TRSH", 0644, HOSTADDR(RGF_DMA_ITR_TX_IDL_CNT_TRSH), doff_io32}, {"IDL_DATA", 0644, HOSTADDR(RGF_DMA_ITR_TX_IDL_CNT_DATA), doff_io32}, {"IDL_CTL", 0644, HOSTADDR(RGF_DMA_ITR_TX_IDL_CNT_CTL), doff_io32}, {}, }; static const struct dbg_off rx_itr_cnt_off[] = { {"TRSH", 0644, HOSTADDR(RGF_DMA_ITR_RX_CNT_TRSH), doff_io32}, {"DATA", 0644, HOSTADDR(RGF_DMA_ITR_RX_CNT_DATA), doff_io32}, {"CTL", 0644, HOSTADDR(RGF_DMA_ITR_RX_CNT_CTL), doff_io32}, {"IDL_TRSH", 0644, HOSTADDR(RGF_DMA_ITR_RX_IDL_CNT_TRSH), doff_io32}, {"IDL_DATA", 0644, HOSTADDR(RGF_DMA_ITR_RX_IDL_CNT_DATA), doff_io32}, {"IDL_CTL", 0644, HOSTADDR(RGF_DMA_ITR_RX_IDL_CNT_CTL), doff_io32}, {}, }; static int wil6210_debugfs_create_ITR_CNT(struct wil6210_priv *wil, struct dentry *parent) { struct dentry *d, *dtx, *drx; d = debugfs_create_dir("ITR_CNT", parent); if (IS_ERR_OR_NULL(d)) return -ENODEV; dtx = debugfs_create_dir("TX", d); drx = debugfs_create_dir("RX", d); if (IS_ERR_OR_NULL(dtx) || IS_ERR_OR_NULL(drx)) return -ENODEV; wil6210_debugfs_init_offset(wil, d, (void * __force)wil->csr, lgc_itr_cnt_off); wil6210_debugfs_init_offset(wil, dtx, (void * __force)wil->csr, tx_itr_cnt_off); wil6210_debugfs_init_offset(wil, drx, (void * __force)wil->csr, rx_itr_cnt_off); return 0; } static int memread_show(struct seq_file *s, void *data) { struct wil6210_priv *wil = s->private; void __iomem *a; int ret; ret = wil_pm_runtime_get(wil); if (ret < 0) return ret; a = wmi_buffer(wil, cpu_to_le32(mem_addr)); if (a) seq_printf(s, "[0x%08x] = 0x%08x\n", mem_addr, readl(a)); else seq_printf(s, "[0x%08x] = INVALID\n", mem_addr); wil_pm_runtime_put(wil); return 0; } DEFINE_SHOW_ATTRIBUTE(memread); static ssize_t wil_read_file_ioblob(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) { enum { max_count = 4096 }; struct wil_blob_wrapper *wil_blob = file->private_data; struct wil6210_priv *wil = wil_blob->wil; loff_t aligned_pos, pos = *ppos; size_t available = wil_blob->blob.size; void *buf; size_t unaligned_bytes, aligned_count, ret; int rc; if (test_bit(wil_status_suspending, wil_blob->wil->status) || test_bit(wil_status_suspended, wil_blob->wil->status)) return 0; if (pos < 0) return -EINVAL; if (pos >= available || !count) return 0; if (count > available - pos) count = available - pos; if (count > max_count) count = max_count; /* set pos to 4 bytes aligned */ unaligned_bytes = pos % 4; aligned_pos = pos - unaligned_bytes; aligned_count = count + unaligned_bytes; buf = kmalloc(aligned_count, GFP_KERNEL); if (!buf) return -ENOMEM; rc = wil_pm_runtime_get(wil); if (rc < 0) { kfree(buf); return rc; } wil_memcpy_fromio_32(buf, (const void __iomem *) wil_blob->blob.data + aligned_pos, aligned_count); ret = copy_to_user(user_buf, buf + unaligned_bytes, count); wil_pm_runtime_put(wil); kfree(buf); if (ret == count) return -EFAULT; count -= ret; *ppos = pos + count; return count; } static const struct file_operations fops_ioblob = { .read = wil_read_file_ioblob, .open = simple_open, .llseek = default_llseek, }; static struct dentry *wil_debugfs_create_ioblob(const char *name, umode_t mode, struct dentry *parent, struct wil_blob_wrapper *wil_blob) { return debugfs_create_file(name, mode, parent, wil_blob, &fops_ioblob); } /*---write channel 1..4 to rxon for it, 0 to rxoff---*/ static ssize_t wil_write_file_rxon(struct file *file, const char __user *buf, size_t len, loff_t *ppos) { struct wil6210_priv *wil = file->private_data; int rc; long channel; bool on; char *kbuf = memdup_user_nul(buf, len); if (IS_ERR(kbuf)) return PTR_ERR(kbuf); rc = kstrtol(kbuf, 0, &channel); kfree(kbuf); if (rc) return rc; if ((channel < 0) || (channel > 4)) { wil_err(wil, "Invalid channel %ld\n", channel); return -EINVAL; } on = !!channel; if (on) { rc = wmi_set_channel(wil, (int)channel); if (rc) return rc; } rc = wmi_rxon(wil, on); if (rc) return rc; return len; } static const struct file_operations fops_rxon = { .write = wil_write_file_rxon, .open = simple_open, }; /* block ack control, write: * - "add <ringid> <agg_size> <timeout>" to trigger ADDBA * - "del_tx <ringid> <reason>" to trigger DELBA for Tx side * - "del_rx <CID> <TID> <reason>" to trigger DELBA for Rx side */ static ssize_t wil_write_back(struct file *file, const char __user *buf, size_t len, loff_t *ppos) { struct wil6210_priv *wil = file->private_data; int rc; char *kbuf = kmalloc(len + 1, GFP_KERNEL); char cmd[9]; int p1, p2, p3; if (!kbuf) return -ENOMEM; rc = simple_write_to_buffer(kbuf, len, ppos, buf, len); if (rc != len) { kfree(kbuf); return rc >= 0 ? -EIO : rc; } kbuf[len] = '\0'; rc = sscanf(kbuf, "%8s %d %d %d", cmd, &p1, &p2, &p3); kfree(kbuf); if (rc < 0) return rc; if (rc < 2) return -EINVAL; if ((strcmp(cmd, "add") == 0) || (strcmp(cmd, "del_tx") == 0)) { struct wil_ring_tx_data *txdata; if (p1 < 0 || p1 >= WIL6210_MAX_TX_RINGS) { wil_err(wil, "BACK: invalid ring id %d\n", p1); return -EINVAL; } txdata = &wil->ring_tx_data[p1]; if (strcmp(cmd, "add") == 0) { if (rc < 3) { wil_err(wil, "BACK: add require at least 2 params\n"); return -EINVAL; } if (rc < 4) p3 = 0; wmi_addba(wil, txdata->mid, p1, p2, p3); } else { if (rc < 3) p2 = WLAN_REASON_QSTA_LEAVE_QBSS; wmi_delba_tx(wil, txdata->mid, p1, p2); } } else if (strcmp(cmd, "del_rx") == 0) { struct wil_sta_info *sta; if (rc < 3) { wil_err(wil, "BACK: del_rx require at least 2 params\n"); return -EINVAL; } if (p1 < 0 || p1 >= WIL6210_MAX_CID) { wil_err(wil, "BACK: invalid CID %d\n", p1); return -EINVAL; } if (rc < 4) p3 = WLAN_REASON_QSTA_LEAVE_QBSS; sta = &wil->sta[p1]; wmi_delba_rx(wil, sta->mid, mk_cidxtid(p1, p2), p3); } else { wil_err(wil, "BACK: Unrecognized command \"%s\"\n", cmd); return -EINVAL; } return len; } static ssize_t wil_read_back(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) { static const char text[] = "block ack control, write:\n" " - \"add <ringid> <agg_size> <timeout>\" to trigger ADDBA\n" "If missing, <timeout> defaults to 0\n" " - \"del_tx <ringid> <reason>\" to trigger DELBA for Tx side\n" " - \"del_rx <CID> <TID> <reason>\" to trigger DELBA for Rx side\n" "If missing, <reason> set to \"STA_LEAVING\" (36)\n"; return simple_read_from_buffer(user_buf, count, ppos, text, sizeof(text)); } static const struct file_operations fops_back = { .read = wil_read_back, .write = wil_write_back, .open = simple_open, }; /* pmc control, write: * - "alloc <num descriptors> <descriptor_size>" to allocate PMC * - "free" to release memory allocated for PMC */ static ssize_t wil_write_pmccfg(struct file *file, const char __user *buf, size_t len, loff_t *ppos) { struct wil6210_priv *wil = file->private_data; int rc; char *kbuf = kmalloc(len + 1, GFP_KERNEL); char cmd[9]; int num_descs, desc_size; if (!kbuf) return -ENOMEM; rc = simple_write_to_buffer(kbuf, len, ppos, buf, len); if (rc != len) { kfree(kbuf); return rc >= 0 ? -EIO : rc; } kbuf[len] = '\0'; rc = sscanf(kbuf, "%8s %d %d", cmd, &num_descs, &desc_size); kfree(kbuf); if (rc < 0) return rc; if (rc < 1) { wil_err(wil, "pmccfg: no params given\n"); return -EINVAL; } if (0 == strcmp(cmd, "alloc")) { if (rc != 3) { wil_err(wil, "pmccfg: alloc requires 2 params\n"); return -EINVAL; } wil_pmc_alloc(wil, num_descs, desc_size); } else if (0 == strcmp(cmd, "free")) { if (rc != 1) { wil_err(wil, "pmccfg: free does not have any params\n"); return -EINVAL; } wil_pmc_free(wil, true); } else { wil_err(wil, "pmccfg: Unrecognized command \"%s\"\n", cmd); return -EINVAL; } return len; } static ssize_t wil_read_pmccfg(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) { struct wil6210_priv *wil = file->private_data; char text[256]; char help[] = "pmc control, write:\n" " - \"alloc <num descriptors> <descriptor_size>\" to allocate pmc\n" " - \"free\" to free memory allocated for pmc\n"; sprintf(text, "Last command status: %d\n\n%s", wil_pmc_last_cmd_status(wil), help); return simple_read_from_buffer(user_buf, count, ppos, text, strlen(text) + 1); } static const struct file_operations fops_pmccfg = { .read = wil_read_pmccfg, .write = wil_write_pmccfg, .open = simple_open, }; static const struct file_operations fops_pmcdata = { .open = simple_open, .read = wil_pmc_read, .llseek = wil_pmc_llseek, }; /*---tx_mgmt---*/ /* Write mgmt frame to this file to send it */ static ssize_t wil_write_file_txmgmt(struct file *file, const char __user *buf, size_t len, loff_t *ppos) { struct wil6210_priv *wil = file->private_data; struct wiphy *wiphy = wil_to_wiphy(wil); struct wireless_dev *wdev = wil->main_ndev->ieee80211_ptr; struct cfg80211_mgmt_tx_params params; int rc; void *frame; memset(¶ms, 0, sizeof(params)); if (!len) return -EINVAL; frame = memdup_user(buf, len); if (IS_ERR(frame)) return PTR_ERR(frame); params.buf = frame; params.len = len; rc = wil_cfg80211_mgmt_tx(wiphy, wdev, ¶ms, NULL); kfree(frame); wil_info(wil, "-> %d\n", rc); return len; } static const struct file_operations fops_txmgmt = { .write = wil_write_file_txmgmt, .open = simple_open, }; /* Write WMI command (w/o mbox header) to this file to send it * WMI starts from wil6210_mbox_hdr_wmi header */ static ssize_t wil_write_file_wmi(struct file *file, const char __user *buf, size_t len, loff_t *ppos) { struct wil6210_priv *wil = file->private_data; struct wil6210_vif *vif = ndev_to_vif(wil->main_ndev); struct wmi_cmd_hdr *wmi; void *cmd; int cmdlen = len - sizeof(struct wmi_cmd_hdr); u16 cmdid; int rc, rc1; if (cmdlen < 0) return -EINVAL; wmi = kmalloc(len, GFP_KERNEL); if (!wmi) return -ENOMEM; rc = simple_write_to_buffer(wmi, len, ppos, buf, len); if (rc < 0) { kfree(wmi); return rc; } cmd = (cmdlen > 0) ? &wmi[1] : NULL; cmdid = le16_to_cpu(wmi->command_id); rc1 = wmi_send(wil, cmdid, vif->mid, cmd, cmdlen); kfree(wmi); wil_info(wil, "0x%04x[%d] -> %d\n", cmdid, cmdlen, rc1); return rc; } static const struct file_operations fops_wmi = { .write = wil_write_file_wmi, .open = simple_open, }; static void wil_seq_print_skb(struct seq_file *s, struct sk_buff *skb) { int i = 0; int len = skb_headlen(skb); void *p = skb->data; int nr_frags = skb_shinfo(skb)->nr_frags; seq_printf(s, " len = %d\n", len); wil_seq_hexdump(s, p, len, " : "); if (nr_frags) { seq_printf(s, " nr_frags = %d\n", nr_frags); for (i = 0; i < nr_frags; i++) { const struct skb_frag_struct *frag = &skb_shinfo(skb)->frags[i]; len = skb_frag_size(frag); p = skb_frag_address_safe(frag); seq_printf(s, " [%2d] : len = %d\n", i, len); wil_seq_hexdump(s, p, len, " : "); } } } /*---------Tx/Rx descriptor------------*/ static int txdesc_show(struct seq_file *s, void *data) { struct wil6210_priv *wil = s->private; struct wil_ring *ring; bool tx; int ring_idx = dbg_ring_index; int txdesc_idx = dbg_txdesc_index; volatile struct vring_tx_desc *d; volatile u32 *u; struct sk_buff *skb; if (wil->use_enhanced_dma_hw) { /* RX ring index == 0 */ if (ring_idx >= WIL6210_MAX_TX_RINGS) { seq_printf(s, "invalid ring index %d\n", ring_idx); return 0; } tx = ring_idx > 0; /* desc ring 0 is reserved for RX */ } else { /* RX ring index == WIL6210_MAX_TX_RINGS */ if (ring_idx > WIL6210_MAX_TX_RINGS) { seq_printf(s, "invalid ring index %d\n", ring_idx); return 0; } tx = (ring_idx < WIL6210_MAX_TX_RINGS); } ring = tx ? &wil->ring_tx[ring_idx] : &wil->ring_rx; if (!ring->va) { if (tx) seq_printf(s, "No Tx[%2d] RING\n", ring_idx); else seq_puts(s, "No Rx RING\n"); return 0; } if (txdesc_idx >= ring->size) { if (tx) seq_printf(s, "[%2d] TxDesc index (%d) >= size (%d)\n", ring_idx, txdesc_idx, ring->size); else seq_printf(s, "RxDesc index (%d) >= size (%d)\n", txdesc_idx, ring->size); return 0; } /* use struct vring_tx_desc for Rx as well, * only field used, .dma.length, is the same */ d = &ring->va[txdesc_idx].tx.legacy; u = (volatile u32 *)d; skb = NULL; if (wil->use_enhanced_dma_hw) { if (tx) { skb = ring->ctx[txdesc_idx].skb; } else { struct wil_rx_enhanced_desc *rx_d = (struct wil_rx_enhanced_desc *) &ring->va[txdesc_idx].rx.enhanced; u16 buff_id = le16_to_cpu(rx_d->mac.buff_id); if (!wil_val_in_range(buff_id, 0, wil->rx_buff_mgmt.size)) { seq_printf(s, "invalid buff_id %d\n", buff_id); return 0; } skb = wil->rx_buff_mgmt.buff_arr[buff_id].skb; } } else { skb = ring->ctx[txdesc_idx].skb; } if (tx) seq_printf(s, "Tx[%2d][%3d] = {\n", ring_idx, txdesc_idx); else seq_printf(s, "Rx[%3d] = {\n", txdesc_idx); seq_printf(s, " MAC = 0x%08x 0x%08x 0x%08x 0x%08x\n", u[0], u[1], u[2], u[3]); seq_printf(s, " DMA = 0x%08x 0x%08x 0x%08x 0x%08x\n", u[4], u[5], u[6], u[7]); seq_printf(s, " SKB = 0x%p\n", skb); if (skb) { skb_get(skb); wil_seq_print_skb(s, skb); kfree_skb(skb); } seq_puts(s, "}\n"); return 0; } DEFINE_SHOW_ATTRIBUTE(txdesc); /*---------Tx/Rx status message------------*/ static int status_msg_show(struct seq_file *s, void *data) { struct wil6210_priv *wil = s->private; int sring_idx = dbg_sring_index; struct wil_status_ring *sring; bool tx = sring_idx == wil->tx_sring_idx ? 1 : 0; u32 status_msg_idx = dbg_status_msg_index; u32 *u; if (sring_idx >= WIL6210_MAX_STATUS_RINGS) { seq_printf(s, "invalid status ring index %d\n", sring_idx); return 0; } sring = &wil->srings[sring_idx]; if (!sring->va) { seq_printf(s, "No %cX status ring\n", tx ? 'T' : 'R'); return 0; } if (status_msg_idx >= sring->size) { seq_printf(s, "%cxDesc index (%d) >= size (%d)\n", tx ? 'T' : 'R', status_msg_idx, sring->size); return 0; } u = sring->va + (sring->elem_size * status_msg_idx); seq_printf(s, "%cx[%d][%3d] = {\n", tx ? 'T' : 'R', sring_idx, status_msg_idx); seq_printf(s, " 0x%08x 0x%08x 0x%08x 0x%08x\n", u[0], u[1], u[2], u[3]); if (!tx && !wil->use_compressed_rx_status) seq_printf(s, " 0x%08x 0x%08x 0x%08x 0x%08x\n", u[4], u[5], u[6], u[7]); seq_puts(s, "}\n"); return 0; } DEFINE_SHOW_ATTRIBUTE(status_msg); static int wil_print_rx_buff(struct seq_file *s, struct list_head *lh) { struct wil_rx_buff *it; int i = 0; list_for_each_entry(it, lh, list) { if ((i % 16) == 0 && i != 0) seq_puts(s, "\n "); seq_printf(s, "[%4d] ", it->id); i++; } seq_printf(s, "\nNumber of buffers: %u\n", i); return i; } static int rx_buff_mgmt_show(struct seq_file *s, void *data) { struct wil6210_priv *wil = s->private; struct wil_rx_buff_mgmt *rbm = &wil->rx_buff_mgmt; int num_active; int num_free; if (!rbm->buff_arr) return -EINVAL; seq_printf(s, " size = %zu\n", rbm->size); seq_printf(s, " free_list_empty_cnt = %lu\n", rbm->free_list_empty_cnt); /* Print active list */ seq_puts(s, " Active list:\n"); num_active = wil_print_rx_buff(s, &rbm->active); seq_puts(s, "\n Free list:\n"); num_free = wil_print_rx_buff(s, &rbm->free); seq_printf(s, " Total number of buffers: %u\n", num_active + num_free); return 0; } DEFINE_SHOW_ATTRIBUTE(rx_buff_mgmt); /*---------beamforming------------*/ static char *wil_bfstatus_str(u32 status) { switch (status) { case 0: return "Failed"; case 1: return "OK"; case 2: return "Retrying"; default: return "??"; } } static bool is_all_zeros(void * const x_, size_t sz) { /* if reply is all-0, ignore this CID */ u32 *x = x_; int n; for (n = 0; n < sz / sizeof(*x); n++) if (x[n]) return false; return true; } static int bf_show(struct seq_file *s, void *data) { int rc; int i; struct wil6210_priv *wil = s->private; struct wil6210_vif *vif = ndev_to_vif(wil->main_ndev); struct wmi_notify_req_cmd cmd = { .interval_usec = 0, }; struct { struct wmi_cmd_hdr wmi; struct wmi_notify_req_done_event evt; } __packed reply; memset(&reply, 0, sizeof(reply)); for (i = 0; i < ARRAY_SIZE(wil->sta); i++) { u32 status; cmd.cid = i; rc = wmi_call(wil, WMI_NOTIFY_REQ_CMDID, vif->mid, &cmd, sizeof(cmd), WMI_NOTIFY_REQ_DONE_EVENTID, &reply, sizeof(reply), 20); /* if reply is all-0, ignore this CID */ if (rc || is_all_zeros(&reply.evt, sizeof(reply.evt))) continue; status = le32_to_cpu(reply.evt.status); seq_printf(s, "CID %d {\n" " TSF = 0x%016llx\n" " TxMCS = %2d TxTpt = %4d\n" " SQI = %4d\n" " RSSI = %4d\n" " Status = 0x%08x %s\n" " Sectors(rx:tx) my %2d:%2d peer %2d:%2d\n" " Goodput(rx:tx) %4d:%4d\n" "}\n", i, le64_to_cpu(reply.evt.tsf), le16_to_cpu(reply.evt.bf_mcs), le32_to_cpu(reply.evt.tx_tpt), reply.evt.sqi, reply.evt.rssi, status, wil_bfstatus_str(status), le16_to_cpu(reply.evt.my_rx_sector), le16_to_cpu(reply.evt.my_tx_sector), le16_to_cpu(reply.evt.other_rx_sector), le16_to_cpu(reply.evt.other_tx_sector), le32_to_cpu(reply.evt.rx_goodput), le32_to_cpu(reply.evt.tx_goodput)); } return 0; } DEFINE_SHOW_ATTRIBUTE(bf); /*---------temp------------*/ static void print_temp(struct seq_file *s, const char *prefix, s32 t) { switch (t) { case 0: case ~(u32)0: seq_printf(s, "%s N/A\n", prefix); break; default: seq_printf(s, "%s %s%d.%03d\n", prefix, (t < 0 ? "-" : ""), abs(t / 1000), abs(t % 1000)); break; } } static int temp_show(struct seq_file *s, void *data) { struct wil6210_priv *wil = s->private; s32 t_m, t_r; int rc = wmi_get_temperature(wil, &t_m, &t_r); if (rc) { seq_puts(s, "Failed\n"); return 0; } print_temp(s, "T_mac =", t_m); print_temp(s, "T_radio =", t_r); return 0; } DEFINE_SHOW_ATTRIBUTE(temp); /*---------freq------------*/ static int freq_show(struct seq_file *s, void *data) { struct wil6210_priv *wil = s->private; struct wireless_dev *wdev = wil->main_ndev->ieee80211_ptr; u32 freq = wdev->chandef.chan ? wdev->chandef.chan->center_freq : 0; seq_printf(s, "Freq = %d\n", freq); return 0; } DEFINE_SHOW_ATTRIBUTE(freq); /*---------link------------*/ static int link_show(struct seq_file *s, void *data) { struct wil6210_priv *wil = s->private; struct station_info *sinfo; int i, rc = 0; sinfo = kzalloc(sizeof(*sinfo), GFP_KERNEL); if (!sinfo) return -ENOMEM; for (i = 0; i < ARRAY_SIZE(wil->sta); i++) { struct wil_sta_info *p = &wil->sta[i]; char *status = "unknown"; struct wil6210_vif *vif; u8 mid; switch (p->status) { case wil_sta_unused: status = "unused "; break; case wil_sta_conn_pending: status = "pending "; break; case wil_sta_connected: status = "connected"; break; } mid = (p->status != wil_sta_unused) ? p->mid : U8_MAX; seq_printf(s, "[%d][MID %d] %pM %s\n", i, mid, p->addr, status); if (p->status != wil_sta_connected) continue; vif = (mid < wil->max_vifs) ? wil->vifs[mid] : NULL; if (vif) { rc = wil_cid_fill_sinfo(vif, i, sinfo); if (rc) goto out; seq_printf(s, " Tx_mcs = %d\n", sinfo->txrate.mcs); seq_printf(s, " Rx_mcs = %d\n", sinfo->rxrate.mcs); seq_printf(s, " SQ = %d\n", sinfo->signal); } else { seq_puts(s, " INVALID MID\n"); } } out: kfree(sinfo); return rc; } DEFINE_SHOW_ATTRIBUTE(link); /*---------info------------*/ static int info_show(struct seq_file *s, void *data) { struct wil6210_priv *wil = s->private; struct net_device *ndev = wil->main_ndev; int is_ac = power_supply_is_system_supplied(); int rx = atomic_xchg(&wil->isr_count_rx, 0); int tx = atomic_xchg(&wil->isr_count_tx, 0); static ulong rxf_old, txf_old; ulong rxf = ndev->stats.rx_packets; ulong txf = ndev->stats.tx_packets; unsigned int i; /* >0 : AC; 0 : battery; <0 : error */ seq_printf(s, "AC powered : %d\n", is_ac); seq_printf(s, "Rx irqs:packets : %8d : %8ld\n", rx, rxf - rxf_old); seq_printf(s, "Tx irqs:packets : %8d : %8ld\n", tx, txf - txf_old); rxf_old = rxf; txf_old = txf; #define CHECK_QSTATE(x) (state & BIT(__QUEUE_STATE_ ## x)) ? \ " " __stringify(x) : "" for (i = 0; i < ndev->num_tx_queues; i++) { struct netdev_queue *txq = netdev_get_tx_queue(ndev, i); unsigned long state = txq->state; seq_printf(s, "Tx queue[%i] state : 0x%lx%s%s%s\n", i, state, CHECK_QSTATE(DRV_XOFF), CHECK_QSTATE(STACK_XOFF), CHECK_QSTATE(FROZEN) ); } #undef CHECK_QSTATE return 0; } DEFINE_SHOW_ATTRIBUTE(info); /*---------recovery------------*/ /* mode = [manual|auto] * state = [idle|pending|running] */ static ssize_t wil_read_file_recovery(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) { struct wil6210_priv *wil = file->private_data; char buf[80]; int n; static const char * const sstate[] = {"idle", "pending", "running"}; n = snprintf(buf, sizeof(buf), "mode = %s\nstate = %s\n", no_fw_recovery ? "manual" : "auto", sstate[wil->recovery_state]); n = min_t(int, n, sizeof(buf)); return simple_read_from_buffer(user_buf, count, ppos, buf, n); } static ssize_t wil_write_file_recovery(struct file *file, const char __user *buf_, size_t count, loff_t *ppos) { struct wil6210_priv *wil = file->private_data; static const char run_command[] = "run"; char buf[sizeof(run_command) + 1]; /* to detect "runx" */ ssize_t rc; if (wil->recovery_state != fw_recovery_pending) { wil_err(wil, "No recovery pending\n"); return -EINVAL; } if (*ppos != 0) { wil_err(wil, "Offset [%d]\n", (int)*ppos); return -EINVAL; } if (count > sizeof(buf)) { wil_err(wil, "Input too long, len = %d\n", (int)count); return -EINVAL; } rc = simple_write_to_buffer(buf, sizeof(buf) - 1, ppos, buf_, count); if (rc < 0) return rc; buf[rc] = '\0'; if (0 == strcmp(buf, run_command)) wil_set_recovery_state(wil, fw_recovery_running); else wil_err(wil, "Bad recovery command \"%s\"\n", buf); return rc; } static const struct file_operations fops_recovery = { .read = wil_read_file_recovery, .write = wil_write_file_recovery, .open = simple_open, }; /*---------Station matrix------------*/ static void wil_print_rxtid(struct seq_file *s, struct wil_tid_ampdu_rx *r) { int i; u16 index = ((r->head_seq_num - r->ssn) & 0xfff) % r->buf_size; unsigned long long drop_dup = r->drop_dup, drop_old = r->drop_old; unsigned long long drop_dup_mcast = r->drop_dup_mcast; seq_printf(s, "([%2d]) 0x%03x [", r->buf_size, r->head_seq_num); for (i = 0; i < r->buf_size; i++) { if (i == index) seq_printf(s, "%c", r->reorder_buf[i] ? 'O' : '|'); else seq_printf(s, "%c", r->reorder_buf[i] ? '*' : '_'); } seq_printf(s, "] total %llu drop %llu (dup %llu + old %llu + dup mcast %llu) last 0x%03x\n", r->total, drop_dup + drop_old + drop_dup_mcast, drop_dup, drop_old, drop_dup_mcast, r->ssn_last_drop); } static void wil_print_rxtid_crypto(struct seq_file *s, int tid, struct wil_tid_crypto_rx *c) { int i; for (i = 0; i < 4; i++) { struct wil_tid_crypto_rx_single *cc = &c->key_id[i]; if (cc->key_set) goto has_keys; } return; has_keys: if (tid < WIL_STA_TID_NUM) seq_printf(s, " [%2d] PN", tid); else seq_puts(s, " [GR] PN"); for (i = 0; i < 4; i++) { struct wil_tid_crypto_rx_single *cc = &c->key_id[i]; seq_printf(s, " [%i%s]%6phN", i, cc->key_set ? "+" : "-", cc->pn); } seq_puts(s, "\n"); } static int sta_show(struct seq_file *s, void *data) __acquires(&p->tid_rx_lock) __releases(&p->tid_rx_lock) { struct wil6210_priv *wil = s->private; int i, tid, mcs; for (i = 0; i < ARRAY_SIZE(wil->sta); i++) { struct wil_sta_info *p = &wil->sta[i]; char *status = "unknown"; u8 aid = 0; u8 mid; bool sta_connected = false; switch (p->status) { case wil_sta_unused: status = "unused "; break; case wil_sta_conn_pending: status = "pending "; break; case wil_sta_connected: status = "connected"; aid = p->aid; break; } mid = (p->status != wil_sta_unused) ? p->mid : U8_MAX; if (mid < wil->max_vifs) { struct wil6210_vif *vif = wil->vifs[mid]; if (vif->wdev.iftype == NL80211_IFTYPE_STATION && p->status == wil_sta_connected) sta_connected = true; } /* print roam counter only for connected stations */ if (sta_connected) seq_printf(s, "[%d] %pM connected (roam counter %d) MID %d AID %d\n", i, p->addr, p->stats.ft_roams, mid, aid); else seq_printf(s, "[%d] %pM %s MID %d AID %d\n", i, p->addr, status, mid, aid); if (p->status == wil_sta_connected) { spin_lock_bh(&p->tid_rx_lock); for (tid = 0; tid < WIL_STA_TID_NUM; tid++) { struct wil_tid_ampdu_rx *r = p->tid_rx[tid]; struct wil_tid_crypto_rx *c = &p->tid_crypto_rx[tid]; if (r) { seq_printf(s, " [%2d] ", tid); wil_print_rxtid(s, r); } wil_print_rxtid_crypto(s, tid, c); } wil_print_rxtid_crypto(s, WIL_STA_TID_NUM, &p->group_crypto_rx); spin_unlock_bh(&p->tid_rx_lock); seq_printf(s, "Rx invalid frame: non-data %lu, short %lu, large %lu, replay %lu\n", p->stats.rx_non_data_frame, p->stats.rx_short_frame, p->stats.rx_large_frame, p->stats.rx_replay); seq_printf(s, "mic error %lu, key error %lu, amsdu error %lu, csum error %lu\n", p->stats.rx_mic_error, p->stats.rx_key_error, p->stats.rx_amsdu_error, p->stats.rx_csum_err); seq_puts(s, "Rx/MCS:"); for (mcs = 0; mcs < ARRAY_SIZE(p->stats.rx_per_mcs); mcs++) seq_printf(s, " %lld", p->stats.rx_per_mcs[mcs]); seq_puts(s, "\n"); } } return 0; } DEFINE_SHOW_ATTRIBUTE(sta); static int mids_show(struct seq_file *s, void *data) { struct wil6210_priv *wil = s->private; struct wil6210_vif *vif; struct net_device *ndev; int i; mutex_lock(&wil->vif_mutex); for (i = 0; i < wil->max_vifs; i++) { vif = wil->vifs[i]; if (vif) { ndev = vif_to_ndev(vif); seq_printf(s, "[%d] %pM %s\n", i, ndev->dev_addr, ndev->name); } else { seq_printf(s, "[%d] unused\n", i); } } mutex_unlock(&wil->vif_mutex); return 0; } DEFINE_SHOW_ATTRIBUTE(mids); static int wil_tx_latency_debugfs_show(struct seq_file *s, void *data) __acquires(&p->tid_rx_lock) __releases(&p->tid_rx_lock) { struct wil6210_priv *wil = s->private; int i, bin; for (i = 0; i < ARRAY_SIZE(wil->sta); i++) { struct wil_sta_info *p = &wil->sta[i]; char *status = "unknown"; u8 aid = 0; u8 mid; if (!p->tx_latency_bins) continue; switch (p->status) { case wil_sta_unused: status = "unused "; break; case wil_sta_conn_pending: status = "pending "; break; case wil_sta_connected: status = "connected"; aid = p->aid; break; } mid = (p->status != wil_sta_unused) ? p->mid : U8_MAX; seq_printf(s, "[%d] %pM %s MID %d AID %d\n", i, p->addr, status, mid, aid); if (p->status == wil_sta_connected) { u64 num_packets = 0; u64 tx_latency_avg = p->stats.tx_latency_total_us; seq_puts(s, "Tx/Latency bin:"); for (bin = 0; bin < WIL_NUM_LATENCY_BINS; bin++) { seq_printf(s, " %lld", p->tx_latency_bins[bin]); num_packets += p->tx_latency_bins[bin]; } seq_puts(s, "\n"); if (!num_packets) continue; do_div(tx_latency_avg, num_packets); seq_printf(s, "Tx/Latency min/avg/max (us): %d/%lld/%d", p->stats.tx_latency_min_us, tx_latency_avg, p->stats.tx_latency_max_us); seq_puts(s, "\n"); } } return 0; } static int wil_tx_latency_seq_open(struct inode *inode, struct file *file) { return single_open(file, wil_tx_latency_debugfs_show, inode->i_private); } static ssize_t wil_tx_latency_write(struct file *file, const char __user *buf, size_t len, loff_t *ppos) { struct seq_file *s = file->private_data; struct wil6210_priv *wil = s->private; int val, rc, i; bool enable; rc = kstrtoint_from_user(buf, len, 0, &val); if (rc) { wil_err(wil, "Invalid argument\n"); return rc; } if (val == 1) /* default resolution */ val = 500; if (val && (val < 50 || val > 1000)) { wil_err(wil, "Invalid resolution %d\n", val); return -EINVAL; } enable = !!val; if (wil->tx_latency == enable) return len; wil_info(wil, "%s TX latency measurements (resolution %dusec)\n", enable ? "Enabling" : "Disabling", val); if (enable) { size_t sz = sizeof(u64) * WIL_NUM_LATENCY_BINS; wil->tx_latency_res = val; for (i = 0; i < ARRAY_SIZE(wil->sta); i++) { struct wil_sta_info *sta = &wil->sta[i]; kfree(sta->tx_latency_bins); sta->tx_latency_bins = kzalloc(sz, GFP_KERNEL); if (!sta->tx_latency_bins) return -ENOMEM; sta->stats.tx_latency_min_us = U32_MAX; sta->stats.tx_latency_max_us = 0; sta->stats.tx_latency_total_us = 0; } } wil->tx_latency = enable; return len; } static const struct file_operations fops_tx_latency = { .open = wil_tx_latency_seq_open, .release = single_release, .read = seq_read, .write = wil_tx_latency_write, .llseek = seq_lseek, }; static void wil_link_stats_print_basic(struct wil6210_vif *vif, struct seq_file *s, struct wmi_link_stats_basic *basic) { char per[5] = "?"; if (basic->per_average != 0xff) snprintf(per, sizeof(per), "%d%%", basic->per_average); seq_printf(s, "CID %d {\n" "\tTxMCS %d TxTpt %d\n" "\tGoodput(rx:tx) %d:%d\n" "\tRxBcastFrames %d\n" "\tRSSI %d SQI %d SNR %d PER %s\n" "\tRx RFC %d Ant num %d\n" "\tSectors(rx:tx) my %d:%d peer %d:%d\n" "}\n", basic->cid, basic->bf_mcs, le32_to_cpu(basic->tx_tpt), le32_to_cpu(basic->rx_goodput), le32_to_cpu(basic->tx_goodput), le32_to_cpu(basic->rx_bcast_frames), basic->rssi, basic->sqi, basic->snr, per, basic->selected_rfc, basic->rx_effective_ant_num, basic->my_rx_sector, basic->my_tx_sector, basic->other_rx_sector, basic->other_tx_sector); } static void wil_link_stats_print_global(struct wil6210_priv *wil, struct seq_file *s, struct wmi_link_stats_global *global) { seq_printf(s, "Frames(rx:tx) %d:%d\n" "BA Frames(rx:tx) %d:%d\n" "Beacons %d\n" "Rx Errors (MIC:CRC) %d:%d\n" "Tx Errors (no ack) %d\n", le32_to_cpu(global->rx_frames), le32_to_cpu(global->tx_frames), le32_to_cpu(global->rx_ba_frames), le32_to_cpu(global->tx_ba_frames), le32_to_cpu(global->tx_beacons), le32_to_cpu(global->rx_mic_errors), le32_to_cpu(global->rx_crc_errors), le32_to_cpu(global->tx_fail_no_ack)); } static void wil_link_stats_debugfs_show_vif(struct wil6210_vif *vif, struct seq_file *s) { struct wil6210_priv *wil = vif_to_wil(vif); struct wmi_link_stats_basic *stats; int i; if (!vif->fw_stats_ready) { seq_puts(s, "no statistics\n"); return; } seq_printf(s, "TSF %lld\n", vif->fw_stats_tsf); for (i = 0; i < ARRAY_SIZE(wil->sta); i++) { if (wil->sta[i].status == wil_sta_unused) continue; if (wil->sta[i].mid != vif->mid) continue; stats = &wil->sta[i].fw_stats_basic; wil_link_stats_print_basic(vif, s, stats); } } static int wil_link_stats_debugfs_show(struct seq_file *s, void *data) { struct wil6210_priv *wil = s->private; struct wil6210_vif *vif; int i, rc; rc = mutex_lock_interruptible(&wil->vif_mutex); if (rc) return rc; /* iterate over all MIDs and show per-cid statistics. Then show the * global statistics */ for (i = 0; i < wil->max_vifs; i++) { vif = wil->vifs[i]; seq_printf(s, "MID %d ", i); if (!vif) { seq_puts(s, "unused\n"); continue; } wil_link_stats_debugfs_show_vif(vif, s); } mutex_unlock(&wil->vif_mutex); return 0; } static int wil_link_stats_seq_open(struct inode *inode, struct file *file) { return single_open(file, wil_link_stats_debugfs_show, inode->i_private); } static ssize_t wil_link_stats_write(struct file *file, const char __user *buf, size_t len, loff_t *ppos) { struct seq_file *s = file->private_data; struct wil6210_priv *wil = s->private; int cid, interval, rc, i; struct wil6210_vif *vif; char *kbuf = kmalloc(len + 1, GFP_KERNEL); if (!kbuf) return -ENOMEM; rc = simple_write_to_buffer(kbuf, len, ppos, buf, len); if (rc != len) { kfree(kbuf); return rc >= 0 ? -EIO : rc; } kbuf[len] = '\0'; /* specify cid (use -1 for all cids) and snapshot interval in ms */ rc = sscanf(kbuf, "%d %d", &cid, &interval); kfree(kbuf); if (rc < 0) return rc; if (rc < 2 || interval < 0) return -EINVAL; wil_info(wil, "request link statistics, cid %d interval %d\n", cid, interval); rc = mutex_lock_interruptible(&wil->vif_mutex); if (rc) return rc; for (i = 0; i < wil->max_vifs; i++) { vif = wil->vifs[i]; if (!vif) continue; rc = wmi_link_stats_cfg(vif, WMI_LINK_STATS_TYPE_BASIC, (cid == -1 ? 0xff : cid), interval); if (rc) wil_err(wil, "link statistics failed for mid %d\n", i); } mutex_unlock(&wil->vif_mutex); return len; } static const struct file_operations fops_link_stats = { .open = wil_link_stats_seq_open, .release = single_release, .read = seq_read, .write = wil_link_stats_write, .llseek = seq_lseek, }; static int wil_link_stats_global_debugfs_show(struct seq_file *s, void *data) { struct wil6210_priv *wil = s->private; if (!wil->fw_stats_global.ready) return 0; seq_printf(s, "TSF %lld\n", wil->fw_stats_global.tsf); wil_link_stats_print_global(wil, s, &wil->fw_stats_global.stats); return 0; } static int wil_link_stats_global_seq_open(struct inode *inode, struct file *file) { return single_open(file, wil_link_stats_global_debugfs_show, inode->i_private); } static ssize_t wil_link_stats_global_write(struct file *file, const char __user *buf, size_t len, loff_t *ppos) { struct seq_file *s = file->private_data; struct wil6210_priv *wil = s->private; int interval, rc; struct wil6210_vif *vif = ndev_to_vif(wil->main_ndev); /* specify snapshot interval in ms */ rc = kstrtoint_from_user(buf, len, 0, &interval); if (rc || interval < 0) { wil_err(wil, "Invalid argument\n"); return -EINVAL; } wil_info(wil, "request global link stats, interval %d\n", interval); rc = wmi_link_stats_cfg(vif, WMI_LINK_STATS_TYPE_GLOBAL, 0, interval); if (rc) wil_err(wil, "global link stats failed %d\n", rc); return rc ? rc : len; } static const struct file_operations fops_link_stats_global = { .open = wil_link_stats_global_seq_open, .release = single_release, .read = seq_read, .write = wil_link_stats_global_write, .llseek = seq_lseek, }; static ssize_t wil_read_file_led_cfg(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) { char buf[80]; int n; n = snprintf(buf, sizeof(buf), "led_id is set to %d, echo 1 to enable, 0 to disable\n", led_id); n = min_t(int, n, sizeof(buf)); return simple_read_from_buffer(user_buf, count, ppos, buf, n); } static ssize_t wil_write_file_led_cfg(struct file *file, const char __user *buf_, size_t count, loff_t *ppos) { struct wil6210_priv *wil = file->private_data; int val; int rc; rc = kstrtoint_from_user(buf_, count, 0, &val); if (rc) { wil_err(wil, "Invalid argument\n"); return rc; } wil_info(wil, "%s led %d\n", val ? "Enabling" : "Disabling", led_id); rc = wmi_led_cfg(wil, val); if (rc) { wil_info(wil, "%s led %d failed\n", val ? "Enabling" : "Disabling", led_id); return rc; } return count; } static const struct file_operations fops_led_cfg = { .read = wil_read_file_led_cfg, .write = wil_write_file_led_cfg, .open = simple_open, }; /* led_blink_time, write: * "<blink_on_slow> <blink_off_slow> <blink_on_med> <blink_off_med> <blink_on_fast> <blink_off_fast> */ static ssize_t wil_write_led_blink_time(struct file *file, const char __user *buf, size_t len, loff_t *ppos) { int rc; char *kbuf = kmalloc(len + 1, GFP_KERNEL); if (!kbuf) return -ENOMEM; rc = simple_write_to_buffer(kbuf, len, ppos, buf, len); if (rc != len) { kfree(kbuf); return rc >= 0 ? -EIO : rc; } kbuf[len] = '\0'; rc = sscanf(kbuf, "%d %d %d %d %d %d", &led_blink_time[WIL_LED_TIME_SLOW].on_ms, &led_blink_time[WIL_LED_TIME_SLOW].off_ms, &led_blink_time[WIL_LED_TIME_MED].on_ms, &led_blink_time[WIL_LED_TIME_MED].off_ms, &led_blink_time[WIL_LED_TIME_FAST].on_ms, &led_blink_time[WIL_LED_TIME_FAST].off_ms); kfree(kbuf); if (rc < 0) return rc; if (rc < 6) return -EINVAL; return len; } static ssize_t wil_read_led_blink_time(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) { static char text[400]; snprintf(text, sizeof(text), "To set led blink on/off time variables write:\n" "<blink_on_slow> <blink_off_slow> <blink_on_med> " "<blink_off_med> <blink_on_fast> <blink_off_fast>\n" "The current values are:\n" "%d %d %d %d %d %d\n", led_blink_time[WIL_LED_TIME_SLOW].on_ms, led_blink_time[WIL_LED_TIME_SLOW].off_ms, led_blink_time[WIL_LED_TIME_MED].on_ms, led_blink_time[WIL_LED_TIME_MED].off_ms, led_blink_time[WIL_LED_TIME_FAST].on_ms, led_blink_time[WIL_LED_TIME_FAST].off_ms); return simple_read_from_buffer(user_buf, count, ppos, text, sizeof(text)); } static const struct file_operations fops_led_blink_time = { .read = wil_read_led_blink_time, .write = wil_write_led_blink_time, .open = simple_open, }; /*---------FW capabilities------------*/ static int wil_fw_capabilities_debugfs_show(struct seq_file *s, void *data) { struct wil6210_priv *wil = s->private; seq_printf(s, "fw_capabilities : %*pb\n", WMI_FW_CAPABILITY_MAX, wil->fw_capabilities); return 0; } static int wil_fw_capabilities_seq_open(struct inode *inode, struct file *file) { return single_open(file, wil_fw_capabilities_debugfs_show, inode->i_private); } static const struct file_operations fops_fw_capabilities = { .open = wil_fw_capabilities_seq_open, .release = single_release, .read = seq_read, .llseek = seq_lseek, }; /*---------FW version------------*/ static int wil_fw_version_debugfs_show(struct seq_file *s, void *data) { struct wil6210_priv *wil = s->private; if (wil->fw_version[0]) seq_printf(s, "%s\n", wil->fw_version); else seq_puts(s, "N/A\n"); return 0; } static int wil_fw_version_seq_open(struct inode *inode, struct file *file) { return single_open(file, wil_fw_version_debugfs_show, inode->i_private); } static const struct file_operations fops_fw_version = { .open = wil_fw_version_seq_open, .release = single_release, .read = seq_read, .llseek = seq_lseek, }; /*---------suspend_stats---------*/ static ssize_t wil_write_suspend_stats(struct file *file, const char __user *buf, size_t len, loff_t *ppos) { struct wil6210_priv *wil = file->private_data; memset(&wil->suspend_stats, 0, sizeof(wil->suspend_stats)); return len; } static ssize_t wil_read_suspend_stats(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) { struct wil6210_priv *wil = file->private_data; char *text; int n, ret, text_size = 500; text = kmalloc(text_size, GFP_KERNEL); if (!text) return -ENOMEM; n = snprintf(text, text_size, "Radio on suspend statistics:\n" "successful suspends:%ld failed suspends:%ld\n" "successful resumes:%ld failed resumes:%ld\n" "rejected by device:%ld\n" "Radio off suspend statistics:\n" "successful suspends:%ld failed suspends:%ld\n" "successful resumes:%ld failed resumes:%ld\n" "General statistics:\n" "rejected by host:%ld\n", wil->suspend_stats.r_on.successful_suspends, wil->suspend_stats.r_on.failed_suspends, wil->suspend_stats.r_on.successful_resumes, wil->suspend_stats.r_on.failed_resumes, wil->suspend_stats.rejected_by_device, wil->suspend_stats.r_off.successful_suspends, wil->suspend_stats.r_off.failed_suspends, wil->suspend_stats.r_off.successful_resumes, wil->suspend_stats.r_off.failed_resumes, wil->suspend_stats.rejected_by_host); n = min_t(int, n, text_size); ret = simple_read_from_buffer(user_buf, count, ppos, text, n); kfree(text); return ret; } static const struct file_operations fops_suspend_stats = { .read = wil_read_suspend_stats, .write = wil_write_suspend_stats, .open = simple_open, }; /*---------compressed_rx_status---------*/ static ssize_t wil_compressed_rx_status_write(struct file *file, const char __user *buf, size_t len, loff_t *ppos) { struct seq_file *s = file->private_data; struct wil6210_priv *wil = s->private; int compressed_rx_status; int rc; rc = kstrtoint_from_user(buf, len, 0, &compressed_rx_status); if (rc) { wil_err(wil, "Invalid argument\n"); return rc; } if (wil_has_active_ifaces(wil, true, false)) { wil_err(wil, "cannot change edma config after iface is up\n"); return -EPERM; } wil_info(wil, "%sable compressed_rx_status\n", compressed_rx_status ? "En" : "Dis"); wil->use_compressed_rx_status = compressed_rx_status; return len; } static int wil_compressed_rx_status_show(struct seq_file *s, void *data) { struct wil6210_priv *wil = s->private; seq_printf(s, "%d\n", wil->use_compressed_rx_status); return 0; } static int wil_compressed_rx_status_seq_open(struct inode *inode, struct file *file) { return single_open(file, wil_compressed_rx_status_show, inode->i_private); } static const struct file_operations fops_compressed_rx_status = { .open = wil_compressed_rx_status_seq_open, .release = single_release, .read = seq_read, .write = wil_compressed_rx_status_write, .llseek = seq_lseek, }; /*----------------*/ static void wil6210_debugfs_init_blobs(struct wil6210_priv *wil, struct dentry *dbg) { int i; char name[32]; for (i = 0; i < ARRAY_SIZE(fw_mapping); i++) { struct wil_blob_wrapper *wil_blob = &wil->blobs[i]; struct debugfs_blob_wrapper *blob = &wil_blob->blob; const struct fw_map *map = &fw_mapping[i]; if (!map->name) continue; wil_blob->wil = wil; blob->data = (void * __force)wil->csr + HOSTADDR(map->host); blob->size = map->to - map->from; snprintf(name, sizeof(name), "blob_%s", map->name); wil_debugfs_create_ioblob(name, 0444, dbg, wil_blob); } } /* misc files */ static const struct { const char *name; umode_t mode; const struct file_operations *fops; } dbg_files[] = { {"mbox", 0444, &mbox_fops}, {"rings", 0444, &ring_fops}, {"stations", 0444, &sta_fops}, {"mids", 0444, &mids_fops}, {"desc", 0444, &txdesc_fops}, {"bf", 0444, &bf_fops}, {"mem_val", 0644, &memread_fops}, {"rxon", 0244, &fops_rxon}, {"tx_mgmt", 0244, &fops_txmgmt}, {"wmi_send", 0244, &fops_wmi}, {"back", 0644, &fops_back}, {"pmccfg", 0644, &fops_pmccfg}, {"pmcdata", 0444, &fops_pmcdata}, {"temp", 0444, &temp_fops}, {"freq", 0444, &freq_fops}, {"link", 0444, &link_fops}, {"info", 0444, &info_fops}, {"recovery", 0644, &fops_recovery}, {"led_cfg", 0644, &fops_led_cfg}, {"led_blink_time", 0644, &fops_led_blink_time}, {"fw_capabilities", 0444, &fops_fw_capabilities}, {"fw_version", 0444, &fops_fw_version}, {"suspend_stats", 0644, &fops_suspend_stats}, {"compressed_rx_status", 0644, &fops_compressed_rx_status}, {"srings", 0444, &srings_fops}, {"status_msg", 0444, &status_msg_fops}, {"rx_buff_mgmt", 0444, &rx_buff_mgmt_fops}, {"tx_latency", 0644, &fops_tx_latency}, {"link_stats", 0644, &fops_link_stats}, {"link_stats_global", 0644, &fops_link_stats_global}, }; static void wil6210_debugfs_init_files(struct wil6210_priv *wil, struct dentry *dbg) { int i; for (i = 0; i < ARRAY_SIZE(dbg_files); i++) debugfs_create_file(dbg_files[i].name, dbg_files[i].mode, dbg, wil, dbg_files[i].fops); } /* interrupt control blocks */ static const struct { const char *name; u32 icr_off; } dbg_icr[] = { {"USER_ICR", HOSTADDR(RGF_USER_USER_ICR)}, {"DMA_EP_TX_ICR", HOSTADDR(RGF_DMA_EP_TX_ICR)}, {"DMA_EP_RX_ICR", HOSTADDR(RGF_DMA_EP_RX_ICR)}, {"DMA_EP_MISC_ICR", HOSTADDR(RGF_DMA_EP_MISC_ICR)}, }; static void wil6210_debugfs_init_isr(struct wil6210_priv *wil, struct dentry *dbg) { int i; for (i = 0; i < ARRAY_SIZE(dbg_icr); i++) wil6210_debugfs_create_ISR(wil, dbg_icr[i].name, dbg, dbg_icr[i].icr_off); } #define WIL_FIELD(name, mode, type) { __stringify(name), mode, \ offsetof(struct wil6210_priv, name), type} /* fields in struct wil6210_priv */ static const struct dbg_off dbg_wil_off[] = { WIL_FIELD(status[0], 0644, doff_ulong), WIL_FIELD(hw_version, 0444, doff_x32), WIL_FIELD(recovery_count, 0444, doff_u32), WIL_FIELD(discovery_mode, 0644, doff_u8), WIL_FIELD(chip_revision, 0444, doff_u8), WIL_FIELD(abft_len, 0644, doff_u8), WIL_FIELD(wakeup_trigger, 0644, doff_u8), WIL_FIELD(ring_idle_trsh, 0644, doff_u32), WIL_FIELD(num_rx_status_rings, 0644, doff_u8), WIL_FIELD(rx_status_ring_order, 0644, doff_u32), WIL_FIELD(tx_status_ring_order, 0644, doff_u32), WIL_FIELD(rx_buff_id_count, 0644, doff_u32), WIL_FIELD(amsdu_en, 0644, doff_u8), {}, }; static const struct dbg_off dbg_wil_regs[] = { {"RGF_MAC_MTRL_COUNTER_0", 0444, HOSTADDR(RGF_MAC_MTRL_COUNTER_0), doff_io32}, {"RGF_USER_USAGE_1", 0444, HOSTADDR(RGF_USER_USAGE_1), doff_io32}, {}, }; /* static parameters */ static const struct dbg_off dbg_statics[] = { {"desc_index", 0644, (ulong)&dbg_txdesc_index, doff_u32}, {"ring_index", 0644, (ulong)&dbg_ring_index, doff_u32}, {"mem_addr", 0644, (ulong)&mem_addr, doff_u32}, {"led_polarity", 0644, (ulong)&led_polarity, doff_u8}, {"status_index", 0644, (ulong)&dbg_status_msg_index, doff_u32}, {"sring_index", 0644, (ulong)&dbg_sring_index, doff_u32}, {}, }; static const int dbg_off_count = 4 * (ARRAY_SIZE(isr_off) - 1) + ARRAY_SIZE(dbg_wil_regs) - 1 + ARRAY_SIZE(pseudo_isr_off) - 1 + ARRAY_SIZE(lgc_itr_cnt_off) - 1 + ARRAY_SIZE(tx_itr_cnt_off) - 1 + ARRAY_SIZE(rx_itr_cnt_off) - 1; int wil6210_debugfs_init(struct wil6210_priv *wil) { struct dentry *dbg = wil->debug = debugfs_create_dir(WIL_NAME, wil_to_wiphy(wil)->debugfsdir); if (IS_ERR_OR_NULL(dbg)) return -ENODEV; wil->dbg_data.data_arr = kcalloc(dbg_off_count, sizeof(struct wil_debugfs_iomem_data), GFP_KERNEL); if (!wil->dbg_data.data_arr) { debugfs_remove_recursive(dbg); wil->debug = NULL; return -ENOMEM; } wil->dbg_data.iomem_data_count = 0; wil_pmc_init(wil); wil6210_debugfs_init_files(wil, dbg); wil6210_debugfs_init_isr(wil, dbg); wil6210_debugfs_init_blobs(wil, dbg); wil6210_debugfs_init_offset(wil, dbg, wil, dbg_wil_off); wil6210_debugfs_init_offset(wil, dbg, (void * __force)wil->csr, dbg_wil_regs); wil6210_debugfs_init_offset(wil, dbg, NULL, dbg_statics); wil6210_debugfs_create_pseudo_ISR(wil, dbg); wil6210_debugfs_create_ITR_CNT(wil, dbg); return 0; } void wil6210_debugfs_remove(struct wil6210_priv *wil) { int i; debugfs_remove_recursive(wil->debug); wil->debug = NULL; kfree(wil->dbg_data.data_arr); for (i = 0; i < ARRAY_SIZE(wil->sta); i++) kfree(wil->sta[i].tx_latency_bins); /* free pmc memory without sending command to fw, as it will * be reset on the way down anyway */ wil_pmc_free(wil, false); }
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