diff options
author | Samuel Mendoza-Jonas <sam@mendozajonas.com> | 2017-11-08 16:30:44 +1100 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2017-11-11 15:09:44 +0900 |
commit | 9ef8690be13d8ae3130749fbcc0cc21e4e3f738c (patch) | |
tree | af903d0bf0a2bef1f3c7f8aed1b69d008eb1b1fb /net/ncsi/ncsi-manage.c | |
parent | a8a6f1e4ea78c5d32a6c34c52877f7eb53ef054c (diff) |
net/ncsi: Improve general state logging
The NCSI driver is mostly silent which becomes a headache when trying to
determine what has occurred on the NCSI connection. This adds additional
logging in a few key areas such as state transitions and calling out
certain errors more visibly.
Signed-off-by: Samuel Mendoza-Jonas <sam@mendozajonas.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ncsi/ncsi-manage.c')
-rw-r--r-- | net/ncsi/ncsi-manage.c | 76 |
1 files changed, 57 insertions, 19 deletions
diff --git a/net/ncsi/ncsi-manage.c b/net/ncsi/ncsi-manage.c index 47baf914eec2..a2b904a718c6 100644 --- a/net/ncsi/ncsi-manage.c +++ b/net/ncsi/ncsi-manage.c @@ -229,6 +229,8 @@ static void ncsi_channel_monitor(unsigned long data) case NCSI_CHANNEL_MONITOR_WAIT ... NCSI_CHANNEL_MONITOR_WAIT_MAX: break; default: + netdev_err(ndp->ndev.dev, "NCSI Channel %d timed out!\n", + nc->id); if (!(ndp->flags & NCSI_DEV_HWA)) { ncsi_report_link(ndp, true); ndp->flags |= NCSI_DEV_RESHUFFLE; @@ -682,7 +684,7 @@ static int clear_one_vid(struct ncsi_dev_priv *ndp, struct ncsi_channel *nc, data = ncsi_get_filter(nc, NCSI_FILTER_VLAN, index); if (!data) { netdev_err(ndp->ndev.dev, - "ncsi: failed to retrieve filter %d\n", index); + "NCSI: failed to retrieve filter %d\n", index); /* Set the VLAN id to 0 - this will still disable the entry in * the filter table, but we won't know what it was. */ @@ -692,7 +694,7 @@ static int clear_one_vid(struct ncsi_dev_priv *ndp, struct ncsi_channel *nc, } netdev_printk(KERN_DEBUG, ndp->ndev.dev, - "ncsi: removed vlan tag %u at index %d\n", + "NCSI: removed vlan tag %u at index %d\n", vid, index + 1); ncsi_remove_filter(nc, NCSI_FILTER_VLAN, index); @@ -718,7 +720,7 @@ static int set_one_vid(struct ncsi_dev_priv *ndp, struct ncsi_channel *nc, if (index < 0) { /* New tag to add */ netdev_printk(KERN_DEBUG, ndp->ndev.dev, - "ncsi: new vlan id to set: %u\n", + "NCSI: new vlan id to set: %u\n", vlan->vid); break; } @@ -745,7 +747,7 @@ static int set_one_vid(struct ncsi_dev_priv *ndp, struct ncsi_channel *nc, } netdev_printk(KERN_DEBUG, ndp->ndev.dev, - "ncsi: set vid %u in packet, index %u\n", + "NCSI: set vid %u in packet, index %u\n", vlan->vid, index + 1); nca->type = NCSI_PKT_CMD_SVF; nca->words[1] = vlan->vid; @@ -784,8 +786,11 @@ static void ncsi_configure_channel(struct ncsi_dev_priv *ndp) nca.package = np->id; nca.channel = NCSI_RESERVED_CHANNEL; ret = ncsi_xmit_cmd(&nca); - if (ret) + if (ret) { + netdev_err(ndp->ndev.dev, + "NCSI: Failed to transmit CMD_SP\n"); goto error; + } nd->state = ncsi_dev_state_config_cis; break; @@ -797,8 +802,11 @@ static void ncsi_configure_channel(struct ncsi_dev_priv *ndp) nca.package = np->id; nca.channel = nc->id; ret = ncsi_xmit_cmd(&nca); - if (ret) + if (ret) { + netdev_err(ndp->ndev.dev, + "NCSI: Failed to transmit CMD_CIS\n"); goto error; + } nd->state = ncsi_dev_state_config_clear_vids; break; @@ -895,10 +903,16 @@ static void ncsi_configure_channel(struct ncsi_dev_priv *ndp) } ret = ncsi_xmit_cmd(&nca); - if (ret) + if (ret) { + netdev_err(ndp->ndev.dev, + "NCSI: Failed to transmit CMD %x\n", + nca.type); goto error; + } break; case ncsi_dev_state_config_done: + netdev_printk(KERN_DEBUG, ndp->ndev.dev, + "NCSI: channel %u config done\n", nc->id); spin_lock_irqsave(&nc->lock, flags); if (nc->reconfigure_needed) { /* This channel's configuration has been updated @@ -925,6 +939,9 @@ static void ncsi_configure_channel(struct ncsi_dev_priv *ndp) } else { hot_nc = NULL; nc->state = NCSI_CHANNEL_INACTIVE; + netdev_warn(ndp->ndev.dev, + "NCSI: channel %u link down after config\n", + nc->id); } spin_unlock_irqrestore(&nc->lock, flags); @@ -937,8 +954,8 @@ static void ncsi_configure_channel(struct ncsi_dev_priv *ndp) ncsi_process_next_channel(ndp); break; default: - netdev_warn(dev, "Wrong NCSI state 0x%x in config\n", - nd->state); + netdev_alert(dev, "Wrong NCSI state 0x%x in config\n", + nd->state); } return; @@ -990,10 +1007,17 @@ static int ncsi_choose_active_channel(struct ncsi_dev_priv *ndp) } if (!found) { + netdev_warn(ndp->ndev.dev, + "NCSI: No channel found with link\n"); ncsi_report_link(ndp, true); return -ENODEV; } + ncm = &found->modes[NCSI_MODE_LINK]; + netdev_printk(KERN_DEBUG, ndp->ndev.dev, + "NCSI: Channel %u added to queue (link %s)\n", + found->id, ncm->data[2] & 0x1 ? "up" : "down"); + out: spin_lock_irqsave(&ndp->lock, flags); list_add_tail_rcu(&found->link, &ndp->channel_queue); @@ -1055,6 +1079,8 @@ static int ncsi_enable_hwa(struct ncsi_dev_priv *ndp) /* We can have no channels in extremely case */ if (list_empty(&ndp->channel_queue)) { + netdev_err(ndp->ndev.dev, + "NCSI: No available channels for HWA\n"); ncsi_report_link(ndp, false); return -ENOENT; } @@ -1223,6 +1249,9 @@ static void ncsi_probe_channel(struct ncsi_dev_priv *ndp) return; error: + netdev_err(ndp->ndev.dev, + "NCSI: Failed to transmit cmd 0x%x during probe\n", + nca.type); ncsi_report_link(ndp, true); } @@ -1276,10 +1305,14 @@ int ncsi_process_next_channel(struct ncsi_dev_priv *ndp) switch (old_state) { case NCSI_CHANNEL_INACTIVE: ndp->ndev.state = ncsi_dev_state_config; + netdev_info(ndp->ndev.dev, "NCSI: configuring channel %u\n", + nc->id); ncsi_configure_channel(ndp); break; case NCSI_CHANNEL_ACTIVE: ndp->ndev.state = ncsi_dev_state_suspend; + netdev_info(ndp->ndev.dev, "NCSI: suspending channel %u\n", + nc->id); ncsi_suspend_channel(ndp); break; default: @@ -1299,6 +1332,8 @@ out: return ncsi_choose_active_channel(ndp); } + netdev_printk(KERN_DEBUG, ndp->ndev.dev, + "NCSI: No more channels to process\n"); ncsi_report_link(ndp, false); return -ENODEV; } @@ -1390,7 +1425,7 @@ static int ncsi_kick_channels(struct ncsi_dev_priv *ndp) ncsi_dev_state_config || !list_empty(&nc->link)) { netdev_printk(KERN_DEBUG, nd->dev, - "ncsi: channel %p marked dirty\n", + "NCSI: channel %p marked dirty\n", nc); nc->reconfigure_needed = true; } @@ -1410,7 +1445,7 @@ static int ncsi_kick_channels(struct ncsi_dev_priv *ndp) spin_unlock_irqrestore(&ndp->lock, flags); netdev_printk(KERN_DEBUG, nd->dev, - "ncsi: kicked channel %p\n", nc); + "NCSI: kicked channel %p\n", nc); n++; } } @@ -1431,7 +1466,7 @@ int ncsi_vlan_rx_add_vid(struct net_device *dev, __be16 proto, u16 vid) nd = ncsi_find_dev(dev); if (!nd) { - netdev_warn(dev, "ncsi: No net_device?\n"); + netdev_warn(dev, "NCSI: No net_device?\n"); return 0; } @@ -1442,7 +1477,7 @@ int ncsi_vlan_rx_add_vid(struct net_device *dev, __be16 proto, u16 vid) n_vids++; if (vlan->vid == vid) { netdev_printk(KERN_DEBUG, dev, - "vid %u already registered\n", vid); + "NCSI: vid %u already registered\n", vid); return 0; } } @@ -1461,7 +1496,7 @@ int ncsi_vlan_rx_add_vid(struct net_device *dev, __be16 proto, u16 vid) vlan->vid = vid; list_add_rcu(&vlan->list, &ndp->vlan_vids); - netdev_printk(KERN_DEBUG, dev, "Added new vid %u\n", vid); + netdev_printk(KERN_DEBUG, dev, "NCSI: Added new vid %u\n", vid); found = ncsi_kick_channels(ndp) != 0; @@ -1481,7 +1516,7 @@ int ncsi_vlan_rx_kill_vid(struct net_device *dev, __be16 proto, u16 vid) nd = ncsi_find_dev(dev); if (!nd) { - netdev_warn(dev, "ncsi: no net_device?\n"); + netdev_warn(dev, "NCSI: no net_device?\n"); return 0; } @@ -1491,14 +1526,14 @@ int ncsi_vlan_rx_kill_vid(struct net_device *dev, __be16 proto, u16 vid) list_for_each_entry_safe(vlan, tmp, &ndp->vlan_vids, list) if (vlan->vid == vid) { netdev_printk(KERN_DEBUG, dev, - "vid %u found, removing\n", vid); + "NCSI: vid %u found, removing\n", vid); list_del_rcu(&vlan->list); found = true; kfree(vlan); } if (!found) { - netdev_err(dev, "ncsi: vid %u wasn't registered!\n", vid); + netdev_err(dev, "NCSI: vid %u wasn't registered!\n", vid); return -EINVAL; } @@ -1581,10 +1616,12 @@ int ncsi_start_dev(struct ncsi_dev *nd) return 0; } - if (ndp->flags & NCSI_DEV_HWA) + if (ndp->flags & NCSI_DEV_HWA) { + netdev_info(ndp->ndev.dev, "NCSI: Enabling HWA mode\n"); ret = ncsi_enable_hwa(ndp); - else + } else { ret = ncsi_choose_active_channel(ndp); + } return ret; } @@ -1615,6 +1652,7 @@ void ncsi_stop_dev(struct ncsi_dev *nd) } } + netdev_printk(KERN_DEBUG, ndp->ndev.dev, "NCSI: Stopping device\n"); ncsi_report_link(ndp, true); } EXPORT_SYMBOL_GPL(ncsi_stop_dev); |