diff options
Diffstat (limited to 'drivers/net/wireless/ath/wil6210/debugfs.c')
-rw-r--r-- | drivers/net/wireless/ath/wil6210/debugfs.c | 164 |
1 files changed, 148 insertions, 16 deletions
diff --git a/drivers/net/wireless/ath/wil6210/debugfs.c b/drivers/net/wireless/ath/wil6210/debugfs.c index 4e6e14501c2..45c3558ec80 100644 --- a/drivers/net/wireless/ath/wil6210/debugfs.c +++ b/drivers/net/wireless/ath/wil6210/debugfs.c @@ -50,6 +50,7 @@ static void wil_print_vring(struct seq_file *s, struct wil6210_priv *wil, 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); @@ -58,10 +59,12 @@ static void wil_print_vring(struct seq_file *s, struct wil6210_priv *wil, 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) - seq_printf(s, "0x%08x\n", ioread32(x)); - else + if (x) { + v = ioread32(x); + seq_printf(s, "0x%08x = %d\n", v, v); + } else { seq_puts(s, "???\n"); + } if (vring->va && (vring->size < 1025)) { uint i; @@ -101,8 +104,8 @@ static int wil_vring_debugfs_show(struct seq_file *s, void *data) char name[10]; /* performance monitoring */ cycles_t now = get_cycles(); - cycles_t idle = txdata->idle * 100; - cycles_t total = now - txdata->begin; + uint64_t idle = txdata->idle * 100; + uint64_t total = now - txdata->begin; do_div(idle, total); txdata->begin = now; @@ -110,9 +113,12 @@ static int wil_vring_debugfs_show(struct seq_file *s, void *data) snprintf(name, sizeof(name), "tx_%2d", i); - seq_printf(s, "\n%pM CID %d TID %d [%3d|%3d] idle %3d%%\n", - wil->sta[cid].addr, cid, tid, used, avail, - (int)idle); + seq_printf(s, + "\n%pM CID %d TID %d BACK([%d] %d TU A%s) [%3d|%3d] idle %3d%%\n", + wil->sta[cid].addr, cid, tid, + txdata->agg_wsize, txdata->agg_timeout, + txdata->agg_amsdu ? "+" : "-", + used, avail, (int)idle); wil_print_vring(s, wil, name, vring, '_', 'H'); } @@ -384,24 +390,67 @@ static int wil6210_debugfs_create_pseudo_ISR(struct wil6210_priv *wil, return 0; } -static const struct dbg_off itr_cnt_off[] = { +static const struct dbg_off lgc_itr_cnt_off[] = { {"TRSH", S_IRUGO | S_IWUSR, HOSTADDR(RGF_DMA_ITR_CNT_TRSH), doff_io32}, {"DATA", S_IRUGO | S_IWUSR, HOSTADDR(RGF_DMA_ITR_CNT_DATA), doff_io32}, {"CTL", S_IRUGO | S_IWUSR, HOSTADDR(RGF_DMA_ITR_CNT_CRL), doff_io32}, {}, }; +static const struct dbg_off tx_itr_cnt_off[] = { + {"TRSH", S_IRUGO | S_IWUSR, HOSTADDR(RGF_DMA_ITR_TX_CNT_TRSH), + doff_io32}, + {"DATA", S_IRUGO | S_IWUSR, HOSTADDR(RGF_DMA_ITR_TX_CNT_DATA), + doff_io32}, + {"CTL", S_IRUGO | S_IWUSR, HOSTADDR(RGF_DMA_ITR_TX_CNT_CTL), + doff_io32}, + {"IDL_TRSH", S_IRUGO | S_IWUSR, HOSTADDR(RGF_DMA_ITR_TX_IDL_CNT_TRSH), + doff_io32}, + {"IDL_DATA", S_IRUGO | S_IWUSR, HOSTADDR(RGF_DMA_ITR_TX_IDL_CNT_DATA), + doff_io32}, + {"IDL_CTL", S_IRUGO | S_IWUSR, HOSTADDR(RGF_DMA_ITR_TX_IDL_CNT_CTL), + doff_io32}, + {}, +}; + +static const struct dbg_off rx_itr_cnt_off[] = { + {"TRSH", S_IRUGO | S_IWUSR, HOSTADDR(RGF_DMA_ITR_RX_CNT_TRSH), + doff_io32}, + {"DATA", S_IRUGO | S_IWUSR, HOSTADDR(RGF_DMA_ITR_RX_CNT_DATA), + doff_io32}, + {"CTL", S_IRUGO | S_IWUSR, HOSTADDR(RGF_DMA_ITR_RX_CNT_CTL), + doff_io32}, + {"IDL_TRSH", S_IRUGO | S_IWUSR, HOSTADDR(RGF_DMA_ITR_RX_IDL_CNT_TRSH), + doff_io32}, + {"IDL_DATA", S_IRUGO | S_IWUSR, HOSTADDR(RGF_DMA_ITR_RX_IDL_CNT_DATA), + doff_io32}, + {"IDL_CTL", S_IRUGO | S_IWUSR, 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 = debugfs_create_dir("ITR_CNT", 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, - itr_cnt_off); + 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; } @@ -558,6 +607,87 @@ static const struct file_operations fops_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[8]; + 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, +}; + /*---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, @@ -1116,7 +1246,8 @@ 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; - seq_printf(s, "0x%03x [", r->head_seq_num); + 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' : '|'); @@ -1127,10 +1258,10 @@ static void wil_print_rxtid(struct seq_file *s, struct wil_tid_ampdu_rx *r) } 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; - unsigned long flags; for (i = 0; i < ARRAY_SIZE(wil->sta); i++) { struct wil_sta_info *p = &wil->sta[i]; @@ -1151,7 +1282,7 @@ static int wil_sta_debugfs_show(struct seq_file *s, void *data) (p->data_port_open ? " data_port_open" : "")); if (p->status == wil_sta_connected) { - spin_lock_irqsave(&p->tid_rx_lock, flags); + 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]; @@ -1160,7 +1291,7 @@ static int wil_sta_debugfs_show(struct seq_file *s, void *data) wil_print_rxtid(s, r); } } - spin_unlock_irqrestore(&p->tid_rx_lock, flags); + spin_unlock_bh(&p->tid_rx_lock); } } @@ -1217,6 +1348,7 @@ static const struct { {"rxon", S_IWUSR, &fops_rxon}, {"tx_mgmt", S_IWUSR, &fops_txmgmt}, {"wmi_send", S_IWUSR, &fops_wmi}, + {"back", S_IRUGO | S_IWUSR, &fops_back}, {"temp", S_IRUGO, &fops_temp}, {"freq", S_IRUGO, &fops_freq}, {"link", S_IRUGO, &fops_link}, @@ -1261,7 +1393,7 @@ static void wil6210_debugfs_init_isr(struct wil6210_priv *wil, /* fields in struct wil6210_priv */ static const struct dbg_off dbg_wil_off[] = { WIL_FIELD(secure_pcp, S_IRUGO | S_IWUSR, doff_u32), - WIL_FIELD(status, S_IRUGO | S_IWUSR, doff_ulong), + WIL_FIELD(status[0], S_IRUGO | S_IWUSR, doff_ulong), WIL_FIELD(fw_version, S_IRUGO, doff_u32), WIL_FIELD(hw_version, S_IRUGO, doff_x32), WIL_FIELD(recovery_count, S_IRUGO, doff_u32), |