diff options
| -rw-r--r-- | drivers/net/ieee802154/at86rf230.c | 9 | ||||
| -rw-r--r-- | include/linux/nl802154.h | 1 | ||||
| -rw-r--r-- | include/net/mac802154.h | 5 | ||||
| -rw-r--r-- | include/net/wpan-phy.h | 1 | ||||
| -rw-r--r-- | net/ieee802154/nl-phy.c | 32 | ||||
| -rw-r--r-- | net/ieee802154/nl_policy.c | 1 | ||||
| -rw-r--r-- | net/mac802154/ieee802154_dev.c | 11 |
7 files changed, 57 insertions, 3 deletions
diff --git a/drivers/net/ieee802154/at86rf230.c b/drivers/net/ieee802154/at86rf230.c index 3d40c23..c60871a 100644 --- a/drivers/net/ieee802154/at86rf230.c +++ b/drivers/net/ieee802154/at86rf230.c @@ -794,6 +794,14 @@ at86rf212_set_lbt(struct ieee802154_dev *dev, bool on) return at86rf230_write_subreg(lp, SR_CSMA_LBT_MODE, on); } +static int +at86rf212_set_cca_mode(struct ieee802154_dev *dev, u8 mode) +{ + struct at86rf230_local *lp = dev->priv; + + return at86rf230_write_subreg(lp, SR_CCA_MODE, mode); +} + static struct ieee802154_ops at86rf230_ops = { .owner = THIS_MODULE, .xmit = at86rf230_xmit, @@ -814,6 +822,7 @@ static struct ieee802154_ops at86rf212_ops = { .set_hw_addr_filt = at86rf230_set_hw_addr_filt, .set_txpower = at86rf212_set_txpower, .set_lbt = at86rf212_set_lbt, + .set_cca_mode = at86rf212_set_cca_mode, }; static void at86rf230_irqwork(struct work_struct *work) diff --git a/include/linux/nl802154.h b/include/linux/nl802154.h index 326baee..5edefc1 100644 --- a/include/linux/nl802154.h +++ b/include/linux/nl802154.h @@ -72,6 +72,7 @@ enum { IEEE802154_ATTR_TXPOWER, IEEE802154_ATTR_LBT_ENABLED, + IEEE802154_ATTR_CCA_MODE, __IEEE802154_ATTR_MAX, }; diff --git a/include/net/mac802154.h b/include/net/mac802154.h index 521edcb..1a98e50 100644 --- a/include/net/mac802154.h +++ b/include/net/mac802154.h @@ -122,6 +122,10 @@ struct ieee802154_dev { * Enables or disables listen before talk on the device. Called with * pib_lock held. * Returns either zero, or negative errno. + * + * set_cca_mode + * Sets the CCA mode used by the device. Called with pib_lock held. + * Returns either zero, or negative errno. */ struct ieee802154_ops { struct module *owner; @@ -140,6 +144,7 @@ struct ieee802154_ops { u8 addr[IEEE802154_ADDR_LEN]); int (*set_txpower)(struct ieee802154_dev *dev, int db); int (*set_lbt)(struct ieee802154_dev *dev, bool on); + int (*set_cca_mode)(struct ieee802154_dev *dev, u8 mode); }; /* Basic interface to register ieee802154 device */ diff --git a/include/net/wpan-phy.h b/include/net/wpan-phy.h index 804e6c4..03b5905 100644 --- a/include/net/wpan-phy.h +++ b/include/net/wpan-phy.h @@ -58,6 +58,7 @@ struct wpan_phy { int (*set_txpower)(struct wpan_phy *phy, int db); int (*set_lbt)(struct wpan_phy *phy, bool on); + int (*set_cca_mode)(struct wpan_phy *phy, u8 cca_mode); char priv[0] __attribute__((__aligned__(NETDEV_ALIGN))); }; diff --git a/net/ieee802154/nl-phy.c b/net/ieee802154/nl-phy.c index f029310..36f58d6 100644 --- a/net/ieee802154/nl-phy.c +++ b/net/ieee802154/nl-phy.c @@ -57,7 +57,8 @@ static int ieee802154_nl_fill_phy(struct sk_buff *msg, u32 portid, nla_put_u8(msg, IEEE802154_ATTR_PAGE, phy->current_page) || nla_put_u8(msg, IEEE802154_ATTR_CHANNEL, phy->current_channel) || nla_put_s8(msg, IEEE802154_ATTR_TXPOWER, phy->transmit_power) || - nla_put_u8(msg, IEEE802154_ATTR_LBT_ENABLED, phy->lbt)) + nla_put_u8(msg, IEEE802154_ATTR_LBT_ENABLED, phy->lbt) || + nla_put_u8(msg, IEEE802154_ATTR_CCA_MODE, phy->cca_mode)) goto nla_put_failure; for (i = 0; i < 32; i++) { if (phy->channels_supported[i]) @@ -385,6 +386,23 @@ static int phy_set_lbt(struct wpan_phy *phy, struct genl_info *info) return 0; } +static int phy_set_cca_mode(struct wpan_phy *phy, struct genl_info *info) +{ + u8 mode = nla_get_u8(info->attrs[IEEE802154_ATTR_CCA_MODE]); + int rc; + + if (mode > 3) + return -EINVAL; + + rc = phy->set_cca_mode(phy, mode); + if (rc < 0) + return rc; + + phy->cca_mode = mode; + + return 0; +} + int ieee802154_set_phyparams(struct sk_buff *skb, struct genl_info *info) { struct wpan_phy *phy; @@ -394,7 +412,8 @@ int ieee802154_set_phyparams(struct sk_buff *skb, struct genl_info *info) pr_debug("%s\n", __func__); if (!info->attrs[IEEE802154_ATTR_PHY_NAME] && - !info->attrs[IEEE802154_ATTR_LBT_ENABLED]) + !info->attrs[IEEE802154_ATTR_LBT_ENABLED] && + !info->attrs[IEEE802154_ATTR_CCA_MODE]) return -EINVAL; name = nla_data(info->attrs[IEEE802154_ATTR_PHY_NAME]); @@ -406,7 +425,8 @@ int ieee802154_set_phyparams(struct sk_buff *skb, struct genl_info *info) return -ENODEV; if ((!phy->set_txpower && info->attrs[IEEE802154_ATTR_TXPOWER]) || - (!phy->set_lbt && info->attrs[IEEE802154_ATTR_LBT_ENABLED])) + (!phy->set_lbt && info->attrs[IEEE802154_ATTR_LBT_ENABLED]) || + (!phy->set_cca_mode && info->attrs[IEEE802154_ATTR_CCA_MODE])) goto out; mutex_lock(&phy->pib_lock); @@ -423,6 +443,12 @@ int ieee802154_set_phyparams(struct sk_buff *skb, struct genl_info *info) goto error; } + if (info->attrs[IEEE802154_ATTR_CCA_MODE]) { + rc = phy_set_cca_mode(phy, info); + if (rc < 0) + goto error; + } + mutex_unlock(&phy->pib_lock); wpan_phy_put(phy); diff --git a/net/ieee802154/nl_policy.c b/net/ieee802154/nl_policy.c index a09f642..d87c2c9 100644 --- a/net/ieee802154/nl_policy.c +++ b/net/ieee802154/nl_policy.c @@ -55,5 +55,6 @@ const struct nla_policy ieee802154_policy[IEEE802154_ATTR_MAX + 1] = { [IEEE802154_ATTR_TXPOWER] = { .type = NLA_S8, }, [IEEE802154_ATTR_LBT_ENABLED] = { .type = NLA_U8, }, + [IEEE802154_ATTR_CCA_MODE] = { .type = NLA_U8, }, }; diff --git a/net/mac802154/ieee802154_dev.c b/net/mac802154/ieee802154_dev.c index 56338c8..4965e4c 100644 --- a/net/mac802154/ieee802154_dev.c +++ b/net/mac802154/ieee802154_dev.c @@ -185,6 +185,16 @@ static int mac802154_set_lbt(struct wpan_phy *phy, bool on) return priv->ops->set_lbt(&priv->hw, on); } +static int mac802154_set_cca_mode(struct wpan_phy *phy, u8 mode) +{ + struct mac802154_priv *priv = wpan_phy_priv(phy); + + if (!priv->ops->set_cca_mode) + return -ENOTSUPP; + + return priv->ops->set_cca_mode(&priv->hw, mode); +} + struct ieee802154_dev * ieee802154_alloc_device(size_t priv_data_len, struct ieee802154_ops *ops) { @@ -264,6 +274,7 @@ int ieee802154_register_device(struct ieee802154_dev *dev) priv->phy->del_iface = mac802154_del_iface; priv->phy->set_txpower = mac802154_set_txpower; priv->phy->set_lbt = mac802154_set_lbt; + priv->phy->set_cca_mode = mac802154_set_cca_mode; rc = wpan_phy_register(priv->phy); if (rc < 0) |
