| /* |
| * Copyright (c) 2012-2017 Qualcomm Atheros, Inc. |
| * |
| * 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_vring_index; /* 24+ for Rx, 0..23 for Tx */ |
| u32 vring_idle_trsh = 16; /* HW fetches up to 16 descriptors at once */ |
| |
| 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_vring(struct seq_file *s, struct wil6210_priv *wil, |
| const char *name, struct vring *vring, |
| char _s, char _h) |
| { |
| void __iomem *x = wmi_addr(wil, vring->hwtail); |
| u32 v; |
| |
| seq_printf(s, "VRING %s = {\n", name); |
| seq_printf(s, " pa = %pad\n", &vring->pa); |
| seq_printf(s, " va = 0x%p\n", vring->va); |
| seq_printf(s, " size = %d\n", vring->size); |
| seq_printf(s, " swtail = %d\n", vring->swtail); |
| seq_printf(s, " swhead = %d\n", vring->swhead); |
| seq_printf(s, " hwtail = [0x%08x] -> ", vring->hwtail); |
| if (x) { |
| v = readl(x); |
| seq_printf(s, "0x%08x = %d\n", v, v); |
| } else { |
| seq_puts(s, "???\n"); |
| } |
| |
| if (vring->va && (vring->size <= (1 << WIL_RING_SIZE_ORDER_MAX))) { |
| uint i; |
| |
| for (i = 0; i < vring->size; i++) { |
| volatile struct vring_tx_desc *d = &vring->va[i].tx; |
| |
| if ((i % 128) == 0 && (i != 0)) |
| seq_puts(s, "\n"); |
| seq_printf(s, "%c", (d->dma.status & BIT(0)) ? |
| _s : (vring->ctx[i].skb ? _h : 'h')); |
| } |
| seq_puts(s, "\n"); |
| } |
| seq_puts(s, "}\n"); |
| } |
| |
| static int wil_vring_debugfs_show(struct seq_file *s, void *data) |
| { |
| uint i; |
| struct wil6210_priv *wil = s->private; |
| |
| wil_print_vring(s, wil, "rx", &wil->vring_rx, 'S', '_'); |
| |
| for (i = 0; i < ARRAY_SIZE(wil->vring_tx); i++) { |
| struct vring *vring = &wil->vring_tx[i]; |
| struct vring_tx_data *txdata = &wil->vring_tx_data[i]; |
| |
| if (vring->va) { |
| int cid = wil->vring2cid_tid[i][0]; |
| int tid = wil->vring2cid_tid[i][1]; |
| u32 swhead = vring->swhead; |
| u32 swtail = vring->swtail; |
| int used = (vring->size + swhead - swtail) |
| % vring->size; |
| int avail = vring->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_vring(s, wil, name, vring, '_', 'H'); |
| } |
| } |
| |
| return 0; |
| } |
| |
| static int wil_vring_seq_open(struct inode *inode, struct file *file) |
| { |
| return single_open(file, wil_vring_debugfs_show, inode->i_private); |
| } |
| |
| static const struct file_operations fops_vring = { |
| .open = wil_vring_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_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 wil_mbox_debugfs_show(struct seq_file *s, void *data) |
| { |
| struct wil6210_priv *wil = s->private; |
| |
| wil_print_ring(s, "tx", wil->csr + HOST_MBOX + |
| offsetof(struct wil6210_mbox_ctl, tx)); |
| wil_print_ring(s, "rx", wil->csr + HOST_MBOX + |
| offsetof(struct wil6210_mbox_ctl, rx)); |
| |
| 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) |
| { |
| writel(val, (void __iomem *)data); |
| wmb(); /* make sure write propagated to HW */ |
| |
| return 0; |
| } |
| |
| static int wil_debugfs_iomem_x32_get(void *data, u64 *val) |
| { |
| *val = readl((void __iomem *)data); |
| |
| 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) |
| { |
| return debugfs_create_file(name, mode, parent, value, |
| &fops_iomem_x32); |
| } |
| |
| 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); |
| 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 = 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); |
| |
| 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; |
| loff_t pos = *ppos; |
| size_t available = wil_blob->blob.size; |
| void *buf; |
| size_t ret; |
| |
| 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; |
| |
| buf = kmalloc(count, GFP_KERNEL); |
| if (!buf) |
| return -ENOMEM; |
| |
| wil_memcpy_fromio_32(buf, (const void __iomem *) |
| wil_blob->blob.data + pos, count); |
| |
| ret = copy_to_user(user_buf, buf, count); |
| 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); |
| } |
| |
| /*---reset---*/ |
| static ssize_t wil_write_file_reset(struct file *file, const char __user *buf, |
| size_t len, loff_t *ppos) |
| { |
| struct wil6210_priv *wil = file->private_data; |
| struct net_device *ndev = wil_to_ndev(wil); |
| |
| /** |
| * BUG: |
| * this code does NOT sync device state with the rest of system |
| * use with care, debug only!!! |
| */ |
| rtnl_lock(); |
| dev_close(ndev); |
| ndev->flags &= ~IFF_UP; |
| rtnl_unlock(); |
| wil_reset(wil, true); |
| |
| return len; |
| } |
| |
| static const struct file_operations fops_reset = { |
| .write = wil_write_file_reset, |
| .open = simple_open, |
| }; |
| |
| /*---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 (0 == strcmp(cmd, "add")) { |
| if (rc < 3) { |
| wil_err(wil, "BACK: add require at least 2 params\n"); |
| return -EINVAL; |
| } |
| if (rc < 4) |
| p3 = 0; |
| wmi_addba(wil, p1, p2, p3); |
| } else if (0 == strcmp(cmd, "del_tx")) { |
| if (rc < 3) |
| p2 = WLAN_REASON_QSTA_LEAVE_QBSS; |
| wmi_delba_tx(wil, p1, p2); |
| } else if (0 == strcmp(cmd, "del_rx")) { |
| if (rc < 3) { |
| wil_err(wil, |
| "BACK: del_rx require at least 2 params\n"); |
| return -EINVAL; |
| } |
| if (rc < 4) |
| p3 = WLAN_REASON_QSTA_LEAVE_QBSS; |
| wmi_delba_rx(wil, 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_to_wdev(wil); |
| struct cfg80211_mgmt_tx_params params; |
| int rc; |
| void *frame = kmalloc(len, GFP_KERNEL); |
| |
| if (!frame) |
| return -ENOMEM; |
| |
| if (copy_from_user(frame, buf, len)) { |
| kfree(frame); |
| return -EIO; |
| } |
| |
| params.buf = frame; |
| params.len = len; |
| params.chan = wdev->preset_chandef.chan; |
| |
| 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 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, 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 vring *vring; |
| bool tx = (dbg_vring_index < WIL6210_MAX_TX_RINGS); |
| |
| vring = tx ? &wil->vring_tx[dbg_vring_index] : &wil->vring_rx; |
| |
| if (!vring->va) { |
| if (tx) |
| seq_printf(s, "No Tx[%2d] VRING\n", dbg_vring_index); |
| else |
| seq_puts(s, "No Rx VRING\n"); |
| return 0; |
| } |
| |
| if (dbg_txdesc_index < vring->size) { |
| /* use struct vring_tx_desc for Rx as well, |
| * only field used, .dma.length, is the same |
| */ |
| volatile struct vring_tx_desc *d = |
| &vring->va[dbg_txdesc_index].tx; |
| volatile u32 *u = (volatile u32 *)d; |
| struct sk_buff *skb = vring->ctx[dbg_txdesc_index].skb; |
| |
| if (tx) |
| seq_printf(s, "Tx[%2d][%3d] = {\n", dbg_vring_index, |
| dbg_txdesc_index); |
| else |
| seq_printf(s, "Rx[%3d] = {\n", dbg_txdesc_index); |
| 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"); |
| } else { |
| if (tx) |
| seq_printf(s, "[%2d] TxDesc index (%d) >= size (%d)\n", |
| dbg_vring_index, dbg_txdesc_index, |
| vring->size); |
| else |
| seq_printf(s, "RxDesc index (%d) >= size (%d)\n", |
| dbg_txdesc_index, vring->size); |
| } |
| |
| 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, |
| }; |
| |
| /*---------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 wmi_notify_req_cmd cmd = { |
| .interval_usec = 0, |
| }; |
| struct { |
| struct wmi_cmd_hdr wmi; |
| struct wmi_notify_req_done_event evt; |
| } __packed reply; |
| |
| for (i = 0; i < ARRAY_SIZE(wil->sta); i++) { |
| u32 status; |
| |
| cmd.cid = i; |
| rc = wmi_call(wil, WMI_NOTIFY_REQ_CMDID, &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" |
| " 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, |
| 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, |
| }; |
| |
| /*---------SSID------------*/ |
| static ssize_t wil_read_file_ssid(struct file *file, char __user *user_buf, |
| size_t count, loff_t *ppos) |
| { |
| struct wil6210_priv *wil = file->private_data; |
| struct wireless_dev *wdev = wil_to_wdev(wil); |
| |
| return simple_read_from_buffer(user_buf, count, ppos, |
| wdev->ssid, wdev->ssid_len); |
| } |
| |
| static ssize_t wil_write_file_ssid(struct file *file, const char __user *buf, |
| size_t count, loff_t *ppos) |
| { |
| struct wil6210_priv *wil = file->private_data; |
| struct wireless_dev *wdev = wil_to_wdev(wil); |
| struct net_device *ndev = wil_to_ndev(wil); |
| |
| if (*ppos != 0) { |
| wil_err(wil, "Unable to set SSID substring from [%d]\n", |
| (int)*ppos); |
| return -EINVAL; |
| } |
| |
| if (count > sizeof(wdev->ssid)) { |
| wil_err(wil, "SSID too long, len = %d\n", (int)count); |
| return -EINVAL; |
| } |
| if (netif_running(ndev)) { |
| wil_err(wil, "Unable to change SSID on running interface\n"); |
| return -EINVAL; |
| } |
| |
| wdev->ssid_len = count; |
| return simple_write_to_buffer(wdev->ssid, wdev->ssid_len, ppos, |
| buf, count); |
| } |
| |
| static const struct file_operations fops_ssid = { |
| .read = wil_read_file_ssid, |
| .write = wil_write_file_ssid, |
| .open = simple_open, |
| }; |
| |
| /*---------temp------------*/ |
| static void print_temp(struct seq_file *s, const char *prefix, u32 t) |
| { |
| switch (t) { |
| case 0: |
| case ~(u32)0: |
| seq_printf(s, "%s N/A\n", prefix); |
| break; |
| default: |
| seq_printf(s, "%s %d.%03d\n", prefix, t / 1000, t % 1000); |
| break; |
| } |
| } |
| |
| static int wil_temp_debugfs_show(struct seq_file *s, void *data) |
| { |
| struct wil6210_priv *wil = s->private; |
| u32 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_to_wdev(wil); |
| 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; |
| |
| for (i = 0; i < ARRAY_SIZE(wil->sta); i++) { |
| struct wil_sta_info *p = &wil->sta[i]; |
| char *status = "unknown"; |
| |
| 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; |
| } |
| seq_printf(s, "[%d] %pM %s\n", i, p->addr, status); |
| |
| if (p->status == wil_sta_connected) { |
| rc = wil_cid_fill_sinfo(wil, i, &sinfo); |
| if (rc) |
| return rc; |
| |
| 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); |
| } |
| } |
| |
| return 0; |
| } |
| |
| 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_to_ndev(wil); |
| 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; |
| |
| seq_printf(s, "([%2d] %3d TU) 0x%03x [", r->buf_size, r->timeout, |
| 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) last 0x%03x\n", |
| r->total, drop_dup + drop_old, drop_dup, drop_old, |
| 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; |
| |
| 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; |
| } |
| seq_printf(s, "[%d] %pM %s AID %d\n", i, p->addr, status, 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_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 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; |
| static char text[400]; |
| int n; |
| |
| n = snprintf(text, sizeof(text), |
| "Suspend statistics:\n" |
| "successful suspends:%ld failed suspends:%ld\n" |
| "successful resumes:%ld failed resumes:%ld\n" |
| "rejected by host:%ld rejected by device:%ld\n", |
| wil->suspend_stats.successful_suspends, |
| wil->suspend_stats.failed_suspends, |
| wil->suspend_stats.successful_resumes, |
| wil->suspend_stats.failed_resumes, |
| wil->suspend_stats.rejected_by_host, |
| wil->suspend_stats.rejected_by_device); |
| |
| n = min_t(int, n, sizeof(text)); |
| |
| return simple_read_from_buffer(user_buf, count, ppos, text, n); |
| } |
| |
| static const struct file_operations fops_suspend_stats = { |
| .read = wil_read_suspend_stats, |
| .write = wil_write_suspend_stats, |
| .open = simple_open, |
| }; |
| |
| /*----------------*/ |
| 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}, |
| {"vrings", 0444, &fops_vring}, |
| {"stations", 0444, &fops_sta}, |
| {"desc", 0444, &fops_txdesc}, |
| {"bf", 0444, &fops_bf}, |
| {"ssid", 0644, &fops_ssid}, |
| {"mem_val", 0644, &fops_memread}, |
| {"reset", 0244, &fops_reset}, |
| {"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}, |
| }; |
| |
| 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(privacy, 0444, doff_u32), |
| WIL_FIELD(status[0], 0644, doff_ulong), |
| WIL_FIELD(hw_version, 0444, doff_x32), |
| WIL_FIELD(recovery_count, 0444, doff_u32), |
| WIL_FIELD(ap_isolate, 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), |
| {}, |
| }; |
| |
| 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}, |
| {"vring_index", 0644, (ulong)&dbg_vring_index, doff_u32}, |
| {"mem_addr", 0644, (ulong)&mem_addr, doff_u32}, |
| {"vring_idle_trsh", 0644, (ulong)&vring_idle_trsh, |
| doff_u32}, |
| {"led_polarity", 0644, (ulong)&led_polarity, doff_u8}, |
| {}, |
| }; |
| |
| 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_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) |
| { |
| debugfs_remove_recursive(wil->debug); |
| wil->debug = NULL; |
| |
| /* free pmc memory without sending command to fw, as it will |
| * be reset on the way down anyway |
| */ |
| wil_pmc_free(wil, false); |
| } |