| // SPDX-License-Identifier: ISC |
| /* |
| * Copyright (c) 2012-2017 Qualcomm Atheros, Inc. |
| * Copyright (c) 2018-2019, The Linux Foundation. All rights reserved. |
| */ |
| |
| #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 wil_ring_debugfs_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; |
| } |
| |
| static int wil_ring_seq_open(struct inode *inode, struct file *file) |
| { |
| return single_open(file, wil_ring_debugfs_show, inode->i_private); |
| } |
| |
| static const struct file_operations fops_ring = { |
| .open = wil_ring_seq_open, |
| .release = single_release, |
| .read = seq_read, |
| .llseek = seq_lseek, |
| }; |
| |
| 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); |
| seq_printf(s, " invalid_buff_id_cnt = %d\n", |
| sring->invalid_buff_id_cnt); |
| |
| 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 wil_srings_debugfs_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; |
| } |
| |
| static int wil_srings_seq_open(struct inode *inode, struct file *file) |
| { |
| return single_open(file, wil_srings_debugfs_show, inode->i_private); |
| } |
| |
| static const struct file_operations fops_srings = { |
| .open = wil_srings_seq_open, |
| .release = single_release, |
| .read = seq_read, |
| .llseek = seq_lseek, |
| }; |
| |
| 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); |
| |
| if (wil_mem_access_lock(wil)) { |
| wil_halp_unvote(wil); |
| return; |
| } |
| |
| 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_mem_access_unlock(wil); |
| wil_halp_unvote(wil); |
| } |
| |
| static int wil_mbox_debugfs_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; |
| } |
| |
| static int wil_mbox_seq_open(struct inode *inode, struct file *file) |
| { |
| return single_open(file, wil_mbox_debugfs_show, inode->i_private); |
| } |
| |
| static const struct file_operations fops_mbox = { |
| .open = wil_mbox_seq_open, |
| .release = single_release, |
| .read = seq_read, |
| .llseek = seq_lseek, |
| }; |
| |
| 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_relaxed(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_relaxed((void __iomem *)d->offset); |
| |
| wil_pm_runtime_put(wil); |
| |
| return 0; |
| } |
| |
| DEFINE_SIMPLE_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(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_SIMPLE_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(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 wil_memread_debugfs_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; |
| |
| ret = wil_mem_access_lock(wil); |
| if (ret) { |
| wil_pm_runtime_put(wil); |
| 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_mem_access_unlock(wil); |
| |
| wil_pm_runtime_put(wil); |
| |
| return 0; |
| } |
| |
| static int wil_memread_seq_open(struct inode *inode, struct file *file) |
| { |
| return single_open(file, wil_memread_debugfs_show, inode->i_private); |
| } |
| |
| static const struct file_operations fops_memread = { |
| .open = wil_memread_seq_open, |
| .release = single_release, |
| .read = seq_read, |
| .llseek = seq_lseek, |
| }; |
| |
| 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 (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; |
| } |
| |
| rc = wil_mem_access_lock(wil); |
| if (rc) { |
| kfree(buf); |
| wil_pm_runtime_put(wil); |
| 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_mem_access_unlock(wil); |
| 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"; |
| |
| snprintf(text, sizeof(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 wil_txdesc_debugfs_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; |
| } |
| |
| static int wil_txdesc_seq_open(struct inode *inode, struct file *file) |
| { |
| return single_open(file, wil_txdesc_debugfs_show, inode->i_private); |
| } |
| |
| static const struct file_operations fops_txdesc = { |
| .open = wil_txdesc_seq_open, |
| .release = single_release, |
| .read = seq_read, |
| .llseek = seq_lseek, |
| }; |
| |
| /*---------Tx/Rx status message------------*/ |
| static int wil_status_msg_debugfs_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; |
| } |
| |
| static int wil_status_msg_seq_open(struct inode *inode, struct file *file) |
| { |
| return single_open(file, wil_status_msg_debugfs_show, |
| inode->i_private); |
| } |
| |
| static const struct file_operations fops_status_msg = { |
| .open = wil_status_msg_seq_open, |
| .release = single_release, |
| .read = seq_read, |
| .llseek = seq_lseek, |
| }; |
| |
| 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 wil_rx_buff_mgmt_debugfs_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; |
| } |
| |
| static int wil_rx_buff_mgmt_seq_open(struct inode *inode, struct file *file) |
| { |
| return single_open(file, wil_rx_buff_mgmt_debugfs_show, |
| inode->i_private); |
| } |
| |
| static const struct file_operations fops_rx_buff_mgmt = { |
| .open = wil_rx_buff_mgmt_seq_open, |
| .release = single_release, |
| .read = seq_read, |
| .llseek = seq_lseek, |
| }; |
| |
| /*---------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 wil_bf_debugfs_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; |
| } |
| |
| static int wil_bf_seq_open(struct inode *inode, struct file *file) |
| { |
| return single_open(file, wil_bf_debugfs_show, inode->i_private); |
| } |
| |
| static const struct file_operations fops_bf = { |
| .open = wil_bf_seq_open, |
| .release = single_release, |
| .read = seq_read, |
| .llseek = seq_lseek, |
| }; |
| |
| /*---------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 wil_temp_debugfs_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; |
| } |
| |
| static int wil_temp_seq_open(struct inode *inode, struct file *file) |
| { |
| return single_open(file, wil_temp_debugfs_show, inode->i_private); |
| } |
| |
| static const struct file_operations fops_temp = { |
| .open = wil_temp_seq_open, |
| .release = single_release, |
| .read = seq_read, |
| .llseek = seq_lseek, |
| }; |
| |
| /*---------freq------------*/ |
| static int wil_freq_debugfs_show(struct seq_file *s, void *data) |
| { |
| struct wil6210_priv *wil = s->private; |
| struct wireless_dev *wdev = wil->main_ndev->ieee80211_ptr; |
| u16 freq = wdev->chandef.chan ? wdev->chandef.chan->center_freq : 0; |
| |
| seq_printf(s, "Freq = %d\n", freq); |
| |
| return 0; |
| } |
| |
| static int wil_freq_seq_open(struct inode *inode, struct file *file) |
| { |
| return single_open(file, wil_freq_debugfs_show, inode->i_private); |
| } |
| |
| static const struct file_operations fops_freq = { |
| .open = wil_freq_seq_open, |
| .release = single_release, |
| .read = seq_read, |
| .llseek = seq_lseek, |
| }; |
| |
| /*---------link------------*/ |
| static int wil_link_debugfs_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; |
| } |
| |
| static int wil_link_seq_open(struct inode *inode, struct file *file) |
| { |
| return single_open(file, wil_link_debugfs_show, inode->i_private); |
| } |
| |
| static const struct file_operations fops_link = { |
| .open = wil_link_seq_open, |
| .release = single_release, |
| .read = seq_read, |
| .llseek = seq_lseek, |
| }; |
| |
| /*---------info------------*/ |
| static int wil_info_debugfs_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; |
| } |
| |
| static int wil_info_seq_open(struct inode *inode, struct file *file) |
| { |
| return single_open(file, wil_info_debugfs_show, inode->i_private); |
| } |
| |
| static const struct file_operations fops_info = { |
| .open = wil_info_seq_open, |
| .release = single_release, |
| .read = seq_read, |
| .llseek = seq_lseek, |
| }; |
| |
| /*---------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 wil_sta_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, 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; |
| } |
| |
| static int wil_sta_seq_open(struct inode *inode, struct file *file) |
| { |
| return single_open(file, wil_sta_debugfs_show, inode->i_private); |
| } |
| |
| static const struct file_operations fops_sta = { |
| .open = wil_sta_seq_open, |
| .release = single_release, |
| .read = seq_read, |
| .llseek = seq_lseek, |
| }; |
| |
| static int wil_mids_debugfs_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; |
| } |
| |
| static int wil_mids_seq_open(struct inode *inode, struct file *file) |
| { |
| return single_open(file, wil_mids_debugfs_show, inode->i_private); |
| } |
| |
| static const struct file_operations fops_mids = { |
| .open = wil_mids_seq_open, |
| .release = single_release, |
| .read = seq_read, |
| .llseek = seq_lseek, |
| }; |
| |
| 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, &fops_mbox}, |
| {"rings", 0444, &fops_ring}, |
| {"stations", 0444, &fops_sta}, |
| {"mids", 0444, &fops_mids}, |
| {"desc", 0444, &fops_txdesc}, |
| {"bf", 0444, &fops_bf}, |
| {"mem_val", 0644, &fops_memread}, |
| {"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, &fops_temp}, |
| {"freq", 0444, &fops_freq}, |
| {"link", 0444, &fops_link}, |
| {"info", 0444, &fops_info}, |
| {"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, &fops_srings}, |
| {"status_msg", 0444, &fops_status_msg}, |
| {"rx_buff_mgmt", 0444, &fops_rx_buff_mgmt}, |
| {"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), |
| WIL_FIELD(force_edmg_channel, 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); |
| } |