diff options
Diffstat (limited to 'drivers/net/wireless/libertas/main.c')
| -rw-r--r-- | drivers/net/wireless/libertas/main.c | 32 |
1 files changed, 29 insertions, 3 deletions
diff --git a/drivers/net/wireless/libertas/main.c b/drivers/net/wireless/libertas/main.c index 5e2f3296be3..2409df85c2e 100644 --- a/drivers/net/wireless/libertas/main.c +++ b/drivers/net/wireless/libertas/main.c @@ -1171,8 +1171,33 @@ int lbs_start_card(struct lbs_private *priv) } if (device_create_file(&dev->dev, &dev_attr_lbs_rtap)) lbs_pr_err("cannot register lbs_rtap attribute\n"); - if (device_create_file(&dev->dev, &dev_attr_lbs_mesh)) - lbs_pr_err("cannot register lbs_mesh attribute\n"); + + /* Enable mesh, if supported, and work out which TLV it uses. + 0x100 + 291 is an unofficial value used in 5.110.20.pXX + 0x100 + 37 is the official value used in 5.110.21.pXX + but we check them in that order because 20.pXX doesn't + give an error -- it just silently fails. */ + + /* 5.110.20.pXX firmware will fail the command if the channel + doesn't match the existing channel. But only if the TLV + is correct. If the channel is wrong, _BOTH_ versions will + give an error to 0x100+291, and allow 0x100+37 to succeed. + It's just that 5.110.20.pXX will not have done anything + useful */ + + lbs_update_channel(priv); + priv->mesh_tlv = 0x100 + 291; + if (lbs_mesh_config(priv, 1)) { + priv->mesh_tlv = 0x100 + 37; + if (lbs_mesh_config(priv, 1)) + priv->mesh_tlv = 0; + } + if (priv->mesh_tlv) { + lbs_add_mesh(priv); + + if (device_create_file(&dev->dev, &dev_attr_lbs_mesh)) + lbs_pr_err("cannot register lbs_mesh attribute\n"); + } lbs_debugfs_init_one(priv, dev); @@ -1201,7 +1226,8 @@ int lbs_stop_card(struct lbs_private *priv) lbs_debugfs_remove_one(priv); device_remove_file(&dev->dev, &dev_attr_lbs_rtap); - device_remove_file(&dev->dev, &dev_attr_lbs_mesh); + if (priv->mesh_tlv) + device_remove_file(&dev->dev, &dev_attr_lbs_mesh); /* Flush pending command nodes */ spin_lock_irqsave(&priv->driver_lock, flags); |