diff options
Diffstat (limited to 'net/mac802154/iface.c')
| -rw-r--r-- | net/mac802154/iface.c | 156 |
1 files changed, 77 insertions, 79 deletions
diff --git a/net/mac802154/iface.c b/net/mac802154/iface.c index 91b75ab..8b69824 100644 --- a/net/mac802154/iface.c +++ b/net/mac802154/iface.c @@ -62,9 +62,10 @@ mac802154_wpan_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) (struct sockaddr_ieee802154 *)&ifr->ifr_addr; int err = -ENOIOCTLCMD; - ASSERT_RTNL(); + if (cmd != SIOCGIFADDR && cmd != SIOCSIFADDR) + return err; - spin_lock_bh(&sdata->mib_lock); + rtnl_lock(); switch (cmd) { case SIOCGIFADDR: @@ -89,7 +90,7 @@ mac802154_wpan_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) } case SIOCSIFADDR: if (netif_running(dev)) { - spin_unlock_bh(&sdata->mib_lock); + rtnl_unlock(); return -EBUSY; } @@ -111,7 +112,7 @@ mac802154_wpan_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) break; } - spin_unlock_bh(&sdata->mib_lock); + rtnl_unlock(); return err; } @@ -125,7 +126,7 @@ static int mac802154_wpan_mac_addr(struct net_device *dev, void *p) return -EBUSY; ieee802154_be64_to_le64(&extended_addr, addr->sa_data); - if (!ieee802154_is_valid_extended_addr(extended_addr)) + if (!ieee802154_is_valid_extended_unicast_addr(extended_addr)) return -EINVAL; memcpy(dev->dev_addr, addr->sa_data, dev->addr_len); @@ -134,19 +135,72 @@ static int mac802154_wpan_mac_addr(struct net_device *dev, void *p) return mac802154_wpan_update_llsec(dev); } +static int ieee802154_setup_hw(struct ieee802154_sub_if_data *sdata) +{ + struct ieee802154_local *local = sdata->local; + struct wpan_dev *wpan_dev = &sdata->wpan_dev; + int ret; + + if (local->hw.flags & IEEE802154_HW_PROMISCUOUS) { + ret = drv_set_promiscuous_mode(local, + wpan_dev->promiscuous_mode); + if (ret < 0) + return ret; + } + + if (local->hw.flags & IEEE802154_HW_AFILT) { + ret = drv_set_pan_id(local, wpan_dev->pan_id); + if (ret < 0) + return ret; + + ret = drv_set_extended_addr(local, wpan_dev->extended_addr); + if (ret < 0) + return ret; + + ret = drv_set_short_addr(local, wpan_dev->short_addr); + if (ret < 0) + return ret; + } + + if (local->hw.flags & IEEE802154_HW_LBT) { + ret = drv_set_lbt_mode(local, wpan_dev->lbt); + if (ret < 0) + return ret; + } + + if (local->hw.flags & IEEE802154_HW_CSMA_PARAMS) { + ret = drv_set_csma_params(local, wpan_dev->min_be, + wpan_dev->max_be, + wpan_dev->csma_retries); + if (ret < 0) + return ret; + } + + if (local->hw.flags & IEEE802154_HW_FRAME_RETRIES) { + ret = drv_set_max_frame_retries(local, wpan_dev->frame_retries); + if (ret < 0) + return ret; + } + + return 0; +} + static int mac802154_slave_open(struct net_device *dev) { struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); struct ieee802154_local *local = sdata->local; - int res = 0; + int res; ASSERT_RTNL(); set_bit(SDATA_STATE_RUNNING, &sdata->state); if (!local->open_count) { + res = ieee802154_setup_hw(sdata); + if (res) + goto err; + res = drv_start(local); - WARN_ON(res); if (res) goto err; } @@ -218,8 +272,8 @@ ieee802154_check_concurrent_iface(struct ieee802154_sub_if_data *sdata, * exist really an use case if we need to support * multiple node types at the same time. */ - if (sdata->vif.type == NL802154_IFTYPE_NODE && - nsdata->vif.type == NL802154_IFTYPE_NODE) + if (wpan_dev->iftype == NL802154_IFTYPE_NODE && + nsdata->wpan_dev.iftype == NL802154_IFTYPE_NODE) return -EBUSY; /* check all phy mac sublayer settings are the same. @@ -239,67 +293,13 @@ static int mac802154_wpan_open(struct net_device *dev) { int rc; struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); - struct ieee802154_local *local = sdata->local; struct wpan_dev *wpan_dev = &sdata->wpan_dev; - struct wpan_phy *phy = sdata->local->phy; - rc = ieee802154_check_concurrent_iface(sdata, sdata->vif.type); + rc = ieee802154_check_concurrent_iface(sdata, wpan_dev->iftype); if (rc < 0) return rc; - rc = mac802154_slave_open(dev); - if (rc < 0) - return rc; - - mutex_lock(&phy->pib_lock); - - if (local->hw.flags & IEEE802154_HW_PROMISCUOUS) { - rc = drv_set_promiscuous_mode(local, - wpan_dev->promiscuous_mode); - if (rc < 0) - goto out; - } - - if (local->hw.flags & IEEE802154_HW_AFILT) { - rc = drv_set_pan_id(local, wpan_dev->pan_id); - if (rc < 0) - goto out; - - rc = drv_set_extended_addr(local, wpan_dev->extended_addr); - if (rc < 0) - goto out; - - rc = drv_set_short_addr(local, wpan_dev->short_addr); - if (rc < 0) - goto out; - } - - if (local->hw.flags & IEEE802154_HW_LBT) { - rc = drv_set_lbt_mode(local, wpan_dev->lbt); - if (rc < 0) - goto out; - } - - if (local->hw.flags & IEEE802154_HW_CSMA_PARAMS) { - rc = drv_set_csma_params(local, wpan_dev->min_be, - wpan_dev->max_be, - wpan_dev->csma_retries); - if (rc < 0) - goto out; - } - - if (local->hw.flags & IEEE802154_HW_FRAME_RETRIES) { - rc = drv_set_max_frame_retries(local, wpan_dev->frame_retries); - if (rc < 0) - goto out; - } - - mutex_unlock(&phy->pib_lock); - return 0; - -out: - mutex_unlock(&phy->pib_lock); - return rc; + return mac802154_slave_open(dev); } static int mac802154_slave_close(struct net_device *dev) @@ -309,15 +309,16 @@ static int mac802154_slave_close(struct net_device *dev) ASSERT_RTNL(); - hrtimer_cancel(&local->ifs_timer); - netif_stop_queue(dev); local->open_count--; clear_bit(SDATA_STATE_RUNNING, &sdata->state); - if (!local->open_count) + if (!local->open_count) { + flush_workqueue(local->workqueue); + hrtimer_cancel(&local->ifs_timer); drv_stop(local); + } return 0; } @@ -374,14 +375,12 @@ static int mac802154_header_create(struct sk_buff *skb, hdr.fc.type = cb->type; hdr.fc.security_enabled = cb->secen; hdr.fc.ack_request = cb->ackreq; - hdr.seq = ieee802154_mlme_ops(dev)->get_dsn(dev); + hdr.seq = atomic_inc_return(&dev->ieee802154_ptr->dsn) & 0xFF; if (mac802154_set_header_security(sdata, &hdr, cb) < 0) return -EINVAL; if (!saddr) { - spin_lock_bh(&sdata->mib_lock); - if (wpan_dev->short_addr == cpu_to_le16(IEEE802154_ADDR_BROADCAST) || wpan_dev->short_addr == cpu_to_le16(IEEE802154_ADDR_UNDEF) || wpan_dev->pan_id == cpu_to_le16(IEEE802154_PANID_BROADCAST)) { @@ -393,8 +392,6 @@ static int mac802154_header_create(struct sk_buff *skb, } hdr.source.pan_id = wpan_dev->pan_id; - - spin_unlock_bh(&sdata->mib_lock); } else { hdr.source = *(const struct ieee802154_addr *)saddr; } @@ -474,13 +471,15 @@ ieee802154_setup_sdata(struct ieee802154_sub_if_data *sdata, enum nl802154_iftype type) { struct wpan_dev *wpan_dev = &sdata->wpan_dev; + u8 tmp; /* set some type-dependent values */ - sdata->vif.type = type; sdata->wpan_dev.iftype = type; - get_random_bytes(&wpan_dev->bsn, 1); - get_random_bytes(&wpan_dev->dsn, 1); + get_random_bytes(&tmp, sizeof(tmp)); + atomic_set(&wpan_dev->bsn, tmp); + get_random_bytes(&tmp, sizeof(tmp)); + atomic_set(&wpan_dev->dsn, tmp); /* defaults per 802.15.4-2011 */ wpan_dev->min_be = 3; @@ -503,7 +502,6 @@ ieee802154_setup_sdata(struct ieee802154_sub_if_data *sdata, sdata->dev->ml_priv = &mac802154_mlme_wpan; wpan_dev->promiscuous_mode = false; - spin_lock_init(&sdata->mib_lock); mutex_init(&sdata->sec_mtx); mac802154_llsec_init(&sdata->sec); @@ -531,7 +529,7 @@ ieee802154_if_add(struct ieee802154_local *local, const char *name, ASSERT_RTNL(); - ndev = alloc_netdev(sizeof(*sdata) + local->hw.vif_data_size, name, + ndev = alloc_netdev(sizeof(*sdata), name, name_assign_type, ieee802154_if_setup); if (!ndev) return ERR_PTR(-ENOMEM); @@ -547,7 +545,7 @@ ieee802154_if_add(struct ieee802154_local *local, const char *name, switch (type) { case NL802154_IFTYPE_NODE: ndev->type = ARPHRD_IEEE802154; - if (ieee802154_is_valid_extended_addr(extended_addr)) + if (ieee802154_is_valid_extended_unicast_addr(extended_addr)) ieee802154_le64_to_be64(ndev->dev_addr, &extended_addr); else memcpy(ndev->dev_addr, ndev->perm_addr, |
