diff options
Diffstat (limited to 'net/ieee802154')
| -rw-r--r-- | net/ieee802154/6lowpan/core.c | 28 | ||||
| -rw-r--r-- | net/ieee802154/6lowpan/tx.c | 5 | ||||
| -rw-r--r-- | net/ieee802154/core.c | 2 | ||||
| -rw-r--r-- | net/ieee802154/nl-mac.c | 39 | ||||
| -rw-r--r-- | net/ieee802154/nl-phy.c | 10 | ||||
| -rw-r--r-- | net/ieee802154/nl802154.c | 316 | ||||
| -rw-r--r-- | net/ieee802154/rdev-ops.h | 23 | ||||
| -rw-r--r-- | net/ieee802154/socket.c | 28 | ||||
| -rw-r--r-- | net/ieee802154/trace.h | 38 |
9 files changed, 385 insertions, 104 deletions
diff --git a/net/ieee802154/6lowpan/core.c b/net/ieee802154/6lowpan/core.c index 0ae5822ef944..f20a387a1011 100644 --- a/net/ieee802154/6lowpan/core.c +++ b/net/ieee802154/6lowpan/core.c @@ -55,27 +55,6 @@ LIST_HEAD(lowpan_devices); static int lowpan_open_count; -static __le16 lowpan_get_pan_id(const struct net_device *dev) -{ - struct net_device *real_dev = lowpan_dev_info(dev)->real_dev; - - return ieee802154_mlme_ops(real_dev)->get_pan_id(real_dev); -} - -static __le16 lowpan_get_short_addr(const struct net_device *dev) -{ - struct net_device *real_dev = lowpan_dev_info(dev)->real_dev; - - return ieee802154_mlme_ops(real_dev)->get_short_addr(real_dev); -} - -static u8 lowpan_get_dsn(const struct net_device *dev) -{ - struct net_device *real_dev = lowpan_dev_info(dev)->real_dev; - - return ieee802154_mlme_ops(real_dev)->get_dsn(real_dev); -} - static struct header_ops lowpan_header_ops = { .create = lowpan_header_create, }; @@ -103,12 +82,6 @@ static const struct net_device_ops lowpan_netdev_ops = { .ndo_start_xmit = lowpan_xmit, }; -static struct ieee802154_mlme_ops lowpan_mlme = { - .get_pan_id = lowpan_get_pan_id, - .get_short_addr = lowpan_get_short_addr, - .get_dsn = lowpan_get_dsn, -}; - static void lowpan_setup(struct net_device *dev) { dev->addr_len = IEEE802154_ADDR_LEN; @@ -124,7 +97,6 @@ static void lowpan_setup(struct net_device *dev) dev->netdev_ops = &lowpan_netdev_ops; dev->header_ops = &lowpan_header_ops; - dev->ml_priv = &lowpan_mlme; dev->destructor = free_netdev; dev->features |= NETIF_F_NETNS_LOCAL; } diff --git a/net/ieee802154/6lowpan/tx.c b/net/ieee802154/6lowpan/tx.c index 2349070bd534..2597abbf7f4b 100644 --- a/net/ieee802154/6lowpan/tx.c +++ b/net/ieee802154/6lowpan/tx.c @@ -190,6 +190,7 @@ err: static int lowpan_header(struct sk_buff *skb, struct net_device *dev) { + struct wpan_dev *wpan_dev = lowpan_dev_info(dev)->real_dev->ieee802154_ptr; struct ieee802154_addr sa, da; struct ieee802154_mac_cb *cb = mac_cb_init(skb); struct lowpan_addr_info info; @@ -207,7 +208,7 @@ static int lowpan_header(struct sk_buff *skb, struct net_device *dev) /* prepare wpan address data */ sa.mode = IEEE802154_ADDR_LONG; - sa.pan_id = ieee802154_mlme_ops(dev)->get_pan_id(dev); + sa.pan_id = wpan_dev->pan_id; sa.extended_addr = ieee802154_devaddr_from_raw(saddr); /* intra-PAN communications */ @@ -223,7 +224,7 @@ static int lowpan_header(struct sk_buff *skb, struct net_device *dev) } else { da.mode = IEEE802154_ADDR_LONG; da.extended_addr = ieee802154_devaddr_from_raw(daddr); - cb->ackreq = true; + cb->ackreq = wpan_dev->frame_retries >= 0; } return dev_hard_header(skb, lowpan_dev_info(dev)->real_dev, diff --git a/net/ieee802154/core.c b/net/ieee802154/core.c index 2ee00e8a0308..b0248e934230 100644 --- a/net/ieee802154/core.c +++ b/net/ieee802154/core.c @@ -121,8 +121,6 @@ wpan_phy_new(const struct cfg802154_ops *ops, size_t priv_size) /* atomic_inc_return makes it start at 1, make it start at 0 */ rdev->wpan_phy_idx--; - mutex_init(&rdev->wpan_phy.pib_lock); - INIT_LIST_HEAD(&rdev->wpan_dev_list); device_initialize(&rdev->wpan_phy.dev); dev_set_name(&rdev->wpan_phy.dev, PHY_NAME "%d", rdev->wpan_phy_idx); diff --git a/net/ieee802154/nl-mac.c b/net/ieee802154/nl-mac.c index 2b4955d7aae5..3503c38954f9 100644 --- a/net/ieee802154/nl-mac.c +++ b/net/ieee802154/nl-mac.c @@ -97,8 +97,10 @@ static int ieee802154_nl_fill_iface(struct sk_buff *msg, u32 portid, BUG_ON(!phy); get_device(&phy->dev); - short_addr = ops->get_short_addr(dev); - pan_id = ops->get_pan_id(dev); + rtnl_lock(); + short_addr = dev->ieee802154_ptr->short_addr; + pan_id = dev->ieee802154_ptr->pan_id; + rtnl_unlock(); if (nla_put_string(msg, IEEE802154_ATTR_DEV_NAME, dev->name) || nla_put_string(msg, IEEE802154_ATTR_PHY_NAME, wpan_phy_name(phy)) || @@ -117,12 +119,12 @@ static int ieee802154_nl_fill_iface(struct sk_buff *msg, u32 portid, rtnl_unlock(); if (nla_put_s8(msg, IEEE802154_ATTR_TXPOWER, - params.transmit_power) || + params.transmit_power / 100) || nla_put_u8(msg, IEEE802154_ATTR_LBT_ENABLED, params.lbt) || nla_put_u8(msg, IEEE802154_ATTR_CCA_MODE, params.cca.mode) || nla_put_s32(msg, IEEE802154_ATTR_CCA_ED_LEVEL, - params.cca_ed_level) || + params.cca_ed_level / 100) || nla_put_u8(msg, IEEE802154_ATTR_CSMA_RETRIES, params.csma_retries) || nla_put_u8(msg, IEEE802154_ATTR_CSMA_MIN_BE, @@ -166,10 +168,7 @@ static struct net_device *ieee802154_nl_get_dev(struct genl_info *info) if (!dev) return NULL; - /* Check on mtu is currently a hacked solution because lowpan - * and wpan have the same ARPHRD type. - */ - if (dev->type != ARPHRD_IEEE802154 || dev->mtu != IEEE802154_MTU) { + if (dev->type != ARPHRD_IEEE802154) { dev_put(dev); return NULL; } @@ -244,7 +243,9 @@ int ieee802154_associate_resp(struct sk_buff *skb, struct genl_info *info) addr.mode = IEEE802154_ADDR_LONG; addr.extended_addr = nla_get_hwaddr( info->attrs[IEEE802154_ATTR_DEST_HW_ADDR]); - addr.pan_id = ieee802154_mlme_ops(dev)->get_pan_id(dev); + rtnl_lock(); + addr.pan_id = dev->ieee802154_ptr->pan_id; + rtnl_unlock(); ret = ieee802154_mlme_ops(dev)->assoc_resp(dev, &addr, nla_get_shortaddr(info->attrs[IEEE802154_ATTR_DEST_SHORT_ADDR]), @@ -281,7 +282,9 @@ int ieee802154_disassociate_req(struct sk_buff *skb, struct genl_info *info) addr.short_addr = nla_get_shortaddr( info->attrs[IEEE802154_ATTR_DEST_SHORT_ADDR]); } - addr.pan_id = ieee802154_mlme_ops(dev)->get_pan_id(dev); + rtnl_lock(); + addr.pan_id = dev->ieee802154_ptr->pan_id; + rtnl_unlock(); ret = ieee802154_mlme_ops(dev)->disassoc_req(dev, &addr, nla_get_u8(info->attrs[IEEE802154_ATTR_REASON])); @@ -449,11 +452,7 @@ int ieee802154_dump_iface(struct sk_buff *skb, struct netlink_callback *cb) idx = 0; for_each_netdev(net, dev) { - /* Check on mtu is currently a hacked solution because lowpan - * and wpan have the same ARPHRD type. - */ - if (idx < s_idx || dev->type != ARPHRD_IEEE802154 || - dev->mtu != IEEE802154_MTU) + if (idx < s_idx || dev->type != ARPHRD_IEEE802154) goto cont; if (ieee802154_nl_fill_iface(skb, NETLINK_CB(cb->skb).portid, @@ -510,7 +509,7 @@ int ieee802154_set_macparams(struct sk_buff *skb, struct genl_info *info) ops->get_mac_params(dev, ¶ms); if (info->attrs[IEEE802154_ATTR_TXPOWER]) - params.transmit_power = nla_get_s8(info->attrs[IEEE802154_ATTR_TXPOWER]); + params.transmit_power = nla_get_s8(info->attrs[IEEE802154_ATTR_TXPOWER]) * 100; if (info->attrs[IEEE802154_ATTR_LBT_ENABLED]) params.lbt = nla_get_u8(info->attrs[IEEE802154_ATTR_LBT_ENABLED]); @@ -519,7 +518,7 @@ int ieee802154_set_macparams(struct sk_buff *skb, struct genl_info *info) params.cca.mode = nla_get_u8(info->attrs[IEEE802154_ATTR_CCA_MODE]); if (info->attrs[IEEE802154_ATTR_CCA_ED_LEVEL]) - params.cca_ed_level = nla_get_s32(info->attrs[IEEE802154_ATTR_CCA_ED_LEVEL]); + params.cca_ed_level = nla_get_s32(info->attrs[IEEE802154_ATTR_CCA_ED_LEVEL]) * 100; if (info->attrs[IEEE802154_ATTR_CSMA_RETRIES]) params.csma_retries = nla_get_u8(info->attrs[IEEE802154_ATTR_CSMA_RETRIES]); @@ -783,11 +782,7 @@ ieee802154_llsec_dump_table(struct sk_buff *skb, struct netlink_callback *cb, int rc; for_each_netdev(net, dev) { - /* Check on mtu is currently a hacked solution because lowpan - * and wpan have the same ARPHRD type. - */ - if (idx < first_dev || dev->type != ARPHRD_IEEE802154 || - dev->mtu != IEEE802154_MTU) + if (idx < first_dev || dev->type != ARPHRD_IEEE802154) goto skip; data.ops = ieee802154_mlme_ops(dev); diff --git a/net/ieee802154/nl-phy.c b/net/ieee802154/nl-phy.c index 346c6665d25e..77d73014bde3 100644 --- a/net/ieee802154/nl-phy.c +++ b/net/ieee802154/nl-phy.c @@ -50,26 +50,26 @@ static int ieee802154_nl_fill_phy(struct sk_buff *msg, u32 portid, if (!hdr) goto out; - mutex_lock(&phy->pib_lock); + rtnl_lock(); if (nla_put_string(msg, IEEE802154_ATTR_PHY_NAME, wpan_phy_name(phy)) || nla_put_u8(msg, IEEE802154_ATTR_PAGE, phy->current_page) || nla_put_u8(msg, IEEE802154_ATTR_CHANNEL, phy->current_channel)) goto nla_put_failure; for (i = 0; i < 32; i++) { - if (phy->channels_supported[i]) - buf[pages++] = phy->channels_supported[i] | (i << 27); + if (phy->supported.channels[i]) + buf[pages++] = phy->supported.channels[i] | (i << 27); } if (pages && nla_put(msg, IEEE802154_ATTR_CHANNEL_PAGE_LIST, pages * sizeof(uint32_t), buf)) goto nla_put_failure; - mutex_unlock(&phy->pib_lock); + rtnl_unlock(); kfree(buf); genlmsg_end(msg, hdr); return 0; nla_put_failure: - mutex_unlock(&phy->pib_lock); + rtnl_unlock(); genlmsg_cancel(msg, hdr); out: kfree(buf); diff --git a/net/ieee802154/nl802154.c b/net/ieee802154/nl802154.c index f3c12f6a4a39..68f24016860c 100644 --- a/net/ieee802154/nl802154.c +++ b/net/ieee802154/nl802154.c @@ -207,10 +207,11 @@ static const struct nla_policy nl802154_policy[NL802154_ATTR_MAX+1] = { [NL802154_ATTR_PAGE] = { .type = NLA_U8, }, [NL802154_ATTR_CHANNEL] = { .type = NLA_U8, }, - [NL802154_ATTR_TX_POWER] = { .type = NLA_S8, }, + [NL802154_ATTR_TX_POWER] = { .type = NLA_S32, }, [NL802154_ATTR_CCA_MODE] = { .type = NLA_U32, }, [NL802154_ATTR_CCA_OPT] = { .type = NLA_U32, }, + [NL802154_ATTR_CCA_ED_LEVEL] = { .type = NLA_S32, }, [NL802154_ATTR_SUPPORTED_CHANNEL] = { .type = NLA_U32, }, @@ -225,6 +226,10 @@ static const struct nla_policy nl802154_policy[NL802154_ATTR_MAX+1] = { [NL802154_ATTR_MAX_FRAME_RETRIES] = { .type = NLA_S8, }, [NL802154_ATTR_LBT_MODE] = { .type = NLA_U8, }, + + [NL802154_ATTR_WPAN_PHY_CAPS] = { .type = NLA_NESTED }, + + [NL802154_ATTR_SUPPORTED_COMMANDS] = { .type = NLA_NESTED }, }; /* message building helper */ @@ -236,6 +241,28 @@ static inline void *nl802154hdr_put(struct sk_buff *skb, u32 portid, u32 seq, } static int +nl802154_put_flags(struct sk_buff *msg, int attr, u32 mask) +{ + struct nlattr *nl_flags = nla_nest_start(msg, attr); + int i; + + if (!nl_flags) + return -ENOBUFS; + + i = 0; + while (mask) { + if ((mask & 1) && nla_put_flag(msg, i)) + return -ENOBUFS; + + mask >>= 1; + i++; + } + + nla_nest_end(msg, nl_flags); + return 0; +} + +static int nl802154_send_wpan_phy_channels(struct cfg802154_registered_device *rdev, struct sk_buff *msg) { @@ -248,7 +275,7 @@ nl802154_send_wpan_phy_channels(struct cfg802154_registered_device *rdev, for (page = 0; page <= IEEE802154_MAX_PAGE; page++) { if (nla_put_u32(msg, NL802154_ATTR_SUPPORTED_CHANNEL, - rdev->wpan_phy.channels_supported[page])) + rdev->wpan_phy.supported.channels[page])) return -ENOBUFS; } nla_nest_end(msg, nl_page); @@ -256,12 +283,100 @@ nl802154_send_wpan_phy_channels(struct cfg802154_registered_device *rdev, return 0; } +static int +nl802154_put_capabilities(struct sk_buff *msg, + struct cfg802154_registered_device *rdev) +{ + const struct wpan_phy_supported *caps = &rdev->wpan_phy.supported; + struct nlattr *nl_caps, *nl_channels; + int i; + + nl_caps = nla_nest_start(msg, NL802154_ATTR_WPAN_PHY_CAPS); + if (!nl_caps) + return -ENOBUFS; + + nl_channels = nla_nest_start(msg, NL802154_CAP_ATTR_CHANNELS); + if (!nl_channels) + return -ENOBUFS; + + for (i = 0; i <= IEEE802154_MAX_PAGE; i++) { + if (caps->channels[i]) { + if (nl802154_put_flags(msg, i, caps->channels[i])) + return -ENOBUFS; + } + } + + nla_nest_end(msg, nl_channels); + + if (rdev->wpan_phy.flags & WPAN_PHY_FLAG_CCA_ED_LEVEL) { + struct nlattr *nl_ed_lvls; + + nl_ed_lvls = nla_nest_start(msg, + NL802154_CAP_ATTR_CCA_ED_LEVELS); + if (!nl_ed_lvls) + return -ENOBUFS; + + for (i = 0; i < caps->cca_ed_levels_size; i++) { + if (nla_put_s32(msg, i, caps->cca_ed_levels[i])) + return -ENOBUFS; + } + + nla_nest_end(msg, nl_ed_lvls); + } + + if (rdev->wpan_phy.flags & WPAN_PHY_FLAG_TXPOWER) { + struct nlattr *nl_tx_pwrs; + + nl_tx_pwrs = nla_nest_start(msg, NL802154_CAP_ATTR_TX_POWERS); + if (!nl_tx_pwrs) + return -ENOBUFS; + + for (i = 0; i < caps->tx_powers_size; i++) { + if (nla_put_s32(msg, i, caps->tx_powers[i])) + return -ENOBUFS; + } + + nla_nest_end(msg, nl_tx_pwrs); + } + + if (rdev->wpan_phy.flags & WPAN_PHY_FLAG_CCA_MODE) { + if (nl802154_put_flags(msg, NL802154_CAP_ATTR_CCA_MODES, + caps->cca_modes) || + nl802154_put_flags(msg, NL802154_CAP_ATTR_CCA_OPTS, + caps->cca_opts)) + return -ENOBUFS; + } + + if (nla_put_u8(msg, NL802154_CAP_ATTR_MIN_MINBE, caps->min_minbe) || + nla_put_u8(msg, NL802154_CAP_ATTR_MAX_MINBE, caps->max_minbe) || + nla_put_u8(msg, NL802154_CAP_ATTR_MIN_MAXBE, caps->min_maxbe) || + nla_put_u8(msg, NL802154_CAP_ATTR_MAX_MAXBE, caps->max_maxbe) || + nla_put_u8(msg, NL802154_CAP_ATTR_MIN_CSMA_BACKOFFS, + caps->min_csma_backoffs) || + nla_put_u8(msg, NL802154_CAP_ATTR_MAX_CSMA_BACKOFFS, + caps->max_csma_backoffs) || + nla_put_s8(msg, NL802154_CAP_ATTR_MIN_FRAME_RETRIES, + caps->min_frame_retries) || + nla_put_s8(msg, NL802154_CAP_ATTR_MAX_FRAME_RETRIES, + caps->max_frame_retries) || + nl802154_put_flags(msg, NL802154_CAP_ATTR_IFTYPES, + caps->iftypes) || + nla_put_u32(msg, NL802154_CAP_ATTR_LBT, caps->lbt)) + return -ENOBUFS; + + nla_nest_end(msg, nl_caps); + + return 0; +} + static int nl802154_send_wpan_phy(struct cfg802154_registered_device *rdev, enum nl802154_commands cmd, struct sk_buff *msg, u32 portid, u32 seq, int flags) { + struct nlattr *nl_cmds; void *hdr; + int i; hdr = nl802154hdr_put(msg, portid, seq, flags, cmd); if (!hdr) @@ -286,25 +401,76 @@ static int nl802154_send_wpan_phy(struct cfg802154_registered_device *rdev, rdev->wpan_phy.current_channel)) goto nla_put_failure; - /* supported channels array */ + /* TODO remove this behaviour, we still keep support it for a while + * so users can change the behaviour to the new one. + */ if (nl802154_send_wpan_phy_channels(rdev, msg)) goto nla_put_failure; /* cca mode */ - if (nla_put_u32(msg, NL802154_ATTR_CCA_MODE, - rdev->wpan_phy.cca.mode)) - goto nla_put_failure; + if (rdev->wpan_phy.flags & WPAN_PHY_FLAG_CCA_MODE) { + if (nla_put_u32(msg, NL802154_ATTR_CCA_MODE, + rdev->wpan_phy.cca.mode)) + goto nla_put_failure; + + if (rdev->wpan_phy.cca.mode == NL802154_CCA_ENERGY_CARRIER) { + if (nla_put_u32(msg, NL802154_ATTR_CCA_OPT, + rdev->wpan_phy.cca.opt)) + goto nla_put_failure; + } + } + + if (rdev->wpan_phy.flags & WPAN_PHY_FLAG_TXPOWER) { + if (nla_put_s32(msg, NL802154_ATTR_TX_POWER, + rdev->wpan_phy.transmit_power)) + goto nla_put_failure; + } - if (rdev->wpan_phy.cca.mode == NL802154_CCA_ENERGY_CARRIER) { - if (nla_put_u32(msg, NL802154_ATTR_CCA_OPT, - rdev->wpan_phy.cca.opt)) + if (rdev->wpan_phy.flags & WPAN_PHY_FLAG_CCA_ED_LEVEL) { + if (nla_put_s32(msg, NL802154_ATTR_CCA_ED_LEVEL, + rdev->wpan_phy.cca_ed_level)) goto nla_put_failure; } - if (nla_put_s8(msg, NL802154_ATTR_TX_POWER, - rdev->wpan_phy.transmit_power)) + if (nl802154_put_capabilities(msg, rdev)) + goto nla_put_failure; + + nl_cmds = nla_nest_start(msg, NL802154_ATTR_SUPPORTED_COMMANDS); + if (!nl_cmds) goto nla_put_failure; + i = 0; +#define CMD(op, n) \ + do { \ + if (rdev->ops->op) { \ + i++; \ + if (nla_put_u32(msg, i, NL802154_CMD_ ## n)) \ + goto nla_put_failure; \ + } \ + } while (0) + + CMD(add_virtual_intf, NEW_INTERFACE); + CMD(del_virtual_intf, DEL_INTERFACE); + CMD(set_channel, SET_CHANNEL); + CMD(set_pan_id, SET_PAN_ID); + CMD(set_short_addr, SET_SHORT_ADDR); + CMD(set_backoff_exponent, SET_BACKOFF_EXPONENT); + CMD(set_max_csma_backoffs, SET_MAX_CSMA_BACKOFFS); + CMD(set_max_frame_retries, SET_MAX_FRAME_RETRIES); + CMD(set_lbt_mode, SET_LBT_MODE); + + if (rdev->wpan_phy.flags & WPAN_PHY_FLAG_TXPOWER) + CMD(set_tx_power, SET_TX_POWER); + + if (rdev->wpan_phy.flags & WPAN_PHY_FLAG_CCA_ED_LEVEL) + CMD(set_cca_ed_level, SET_CCA_ED_LEVEL); + + if (rdev->wpan_phy.flags & WPAN_PHY_FLAG_CCA_MODE) + CMD(set_cca_mode, SET_CCA_MODE); + +#undef CMD + nla_nest_end(msg, nl_cmds); + finish: genlmsg_end(msg, hdr); return 0; @@ -575,7 +741,8 @@ static int nl802154_new_interface(struct sk_buff *skb, struct genl_info *info) if (info->attrs[NL802154_ATTR_IFTYPE]) { type = nla_get_u32(info->attrs[NL802154_ATTR_IFTYPE]); - if (type > NL802154_IFTYPE_MAX) + if (type > NL802154_IFTYPE_MAX || + !(rdev->wpan_phy.supported.iftypes & BIT(type))) return -EINVAL; } @@ -625,7 +792,8 @@ static int nl802154_set_channel(struct sk_buff *skb, struct genl_info *info) channel = nla_get_u8(info->attrs[NL802154_ATTR_CHANNEL]); /* check 802.15.4 constraints */ - if (page > IEEE802154_MAX_PAGE || channel > IEEE802154_MAX_CHANNEL) + if (page > IEEE802154_MAX_PAGE || channel > IEEE802154_MAX_CHANNEL || + !(rdev->wpan_phy.supported.channels[page] & BIT(channel))) return -EINVAL; return rdev_set_channel(rdev, page, channel); @@ -636,12 +804,17 @@ static int nl802154_set_cca_mode(struct sk_buff *skb, struct genl_info *info) struct cfg802154_registered_device *rdev = info->user_ptr[0]; struct wpan_phy_cca cca; + if (!(rdev->wpan_phy.flags & WPAN_PHY_FLAG_CCA_MODE)) + return -EOPNOTSUPP; + if (!info->attrs[NL802154_ATTR_CCA_MODE]) return -EINVAL; cca.mode = nla_get_u32(info->attrs[NL802154_ATTR_CCA_MODE]); /* checking 802.15.4 constraints */ - if (cca.mode < NL802154_CCA_ENERGY || cca.mode > NL802154_CCA_ATTR_MAX) + if (cca.mode < NL802154_CCA_ENERGY || + cca.mode > NL802154_CCA_ATTR_MAX || + !(rdev->wpan_phy.supported.cca_modes & BIT(cca.mode))) return -EINVAL; if (cca.mode == NL802154_CCA_ENERGY_CARRIER) { @@ -649,13 +822,58 @@ static int nl802154_set_cca_mode(struct sk_buff *skb, struct genl_info *info) return -EINVAL; cca.opt = nla_get_u32(info->attrs[NL802154_ATTR_CCA_OPT]); - if (cca.opt > NL802154_CCA_OPT_ATTR_MAX) + if (cca.opt > NL802154_CCA_OPT_ATTR_MAX || + !(rdev->wpan_phy.supported.cca_opts & BIT(cca.opt))) return -EINVAL; } return rdev_set_cca_mode(rdev, &cca); } +static int nl802154_set_cca_ed_level(struct sk_buff *skb, struct genl_info *info) +{ + struct cfg802154_registered_device *rdev = info->user_ptr[0]; + s32 ed_level; + int i; + + if (!(rdev->wpan_phy.flags & WPAN_PHY_FLAG_CCA_ED_LEVEL)) + return -EOPNOTSUPP; + + if (!info->attrs[NL802154_ATTR_CCA_ED_LEVEL]) + return -EINVAL; + + ed_level = nla_get_s32(info->attrs[NL802154_ATTR_CCA_ED_LEVEL]); + + for (i = 0; i < rdev->wpan_phy.supported.cca_ed_levels_size; i++) { + if (ed_level == rdev->wpan_phy.supported.cca_ed_levels[i]) + return rdev_set_cca_ed_level(rdev, ed_level); + } + + return -EINVAL; +} + +static int nl802154_set_tx_power(struct sk_buff *skb, struct genl_info *info) +{ + struct cfg802154_registered_device *rdev = info->user_ptr[0]; + s32 power; + int i; + + if (!(rdev->wpan_phy.flags & WPAN_PHY_FLAG_TXPOWER)) + return -EOPNOTSUPP; + + if (!info->attrs[NL802154_ATTR_TX_POWER]) + return -EINVAL; + + power = nla_get_s32(info->attrs[NL802154_ATTR_TX_POWER]); + + for (i = 0; i < rdev->wpan_phy.supported.tx_powers_size; i++) { + if (power == rdev->wpan_phy.supported.tx_powers[i]) + return rdev_set_tx_power(rdev, power); + } + + return -EINVAL; +} + static int nl802154_set_pan_id(struct sk_buff *skb, struct genl_info *info) { struct cfg802154_registered_device *rdev = info->user_ptr[0]; @@ -668,14 +886,22 @@ static int nl802154_set_pan_id(struct sk_buff *skb, struct genl_info *info) return -EBUSY; /* don't change address fields on monitor */ - if (wpan_dev->iftype == NL802154_IFTYPE_MONITOR) - return -EINVAL; - - if (!info->attrs[NL802154_ATTR_PAN_ID]) + if (wpan_dev->iftype == NL802154_IFTYPE_MONITOR || + !info->attrs[NL802154_ATTR_PAN_ID]) return -EINVAL; pan_id = nla_get_le16(info->attrs[NL802154_ATTR_PAN_ID]); + /* TODO + * I am not sure about to check here on broadcast pan_id. + * Broadcast is a valid setting, comment from 802.15.4: + * If this value is 0xffff, the device is not associated. + * + * This could useful to simple deassociate an device. + */ + if (pan_id == cpu_to_le16(IEEE802154_PAN_ID_BROADCAST)) + return -EINVAL; + return rdev_set_pan_id(rdev, wpan_dev, pan_id); } @@ -691,14 +917,27 @@ static int nl802154_set_short_addr(struct sk_buff *skb, struct genl_info *info) return -EBUSY; /* don't change address fields on monitor */ - if (wpan_dev->iftype == NL802154_IFTYPE_MONITOR) - return -EINVAL; - - if (!info->attrs[NL802154_ATTR_SHORT_ADDR]) + if (wpan_dev->iftype == NL802154_IFTYPE_MONITOR || + !info->attrs[NL802154_ATTR_SHORT_ADDR]) return -EINVAL; short_addr = nla_get_le16(info->attrs[NL802154_ATTR_SHORT_ADDR]); + /* TODO + * I am not sure about to check here on broadcast short_addr. + * Broadcast is a valid setting, comment from 802.15.4: + * A value of 0xfffe indicates that the device has + * associated but has not been allocated an address. A + * value of 0xffff indicates that the device does not + * have a short address. + * + * I think we should allow to set these settings but + * don't allow to allow socket communication with it. + */ + if (short_addr == cpu_to_le16(IEEE802154_ADDR_SHORT_UNSPEC) || + short_addr == cpu_to_le16(IEEE802154_ADDR_SHORT_BROADCAST)) + return -EINVAL; + return rdev_set_short_addr(rdev, wpan_dev, short_addr); } @@ -722,7 +961,11 @@ nl802154_set_backoff_exponent(struct sk_buff *skb, struct genl_info *info) max_be = nla_get_u8(info->attrs[NL802154_ATTR_MAX_BE]); /* check 802.15.4 constraints */ - if (max_be < 3 || max_be > 8 || min_be > max_be) + if (min_be < rdev->wpan_phy.supported.min_minbe || + min_be > rdev->wpan_phy.supported.max_minbe || + max_be < rdev->wpan_phy.supported.min_maxbe || + max_be > rdev->wpan_phy.supported.max_maxbe || + min_be > max_be) return -EINVAL; return rdev_set_backoff_exponent(rdev, wpan_dev, min_be, max_be); @@ -747,7 +990,8 @@ nl802154_set_max_csma_backoffs(struct sk_buff *skb, struct genl_info *info) info->attrs[NL802154_ATTR_MAX_CSMA_BACKOFFS]); /* check 802.15.4 constraints */ - if (max_csma_backoffs > 5) + if (max_csma_backoffs < rdev->wpan_phy.supported.min_csma_backoffs || + max_csma_backoffs > rdev->wpan_phy.supported.max_csma_backoffs) return -EINVAL; return rdev_set_max_csma_backoffs(rdev, wpan_dev, max_csma_backoffs); @@ -771,7 +1015,8 @@ nl802154_set_max_frame_retries(struct sk_buff *skb, struct genl_info *info) info->attrs[NL802154_ATTR_MAX_FRAME_RETRIES]); /* check 802.15.4 constraints */ - if (max_frame_retries < -1 || max_frame_retries > 7) + if (max_frame_retries < rdev->wpan_phy.supported.min_frame_retries || + max_frame_retries > rdev->wpan_phy.supported.max_frame_retries) return -EINVAL; return rdev_set_max_frame_retries(rdev, wpan_dev, max_frame_retries); @@ -791,6 +1036,9 @@ static int nl802154_set_lbt_mode(struct sk_buff *skb, struct genl_info *info) return -EINVAL; mode = !!nla_get_u8(info->attrs[NL802154_ATTR_LBT_MODE]); + if (!wpan_phy_supported_bool(mode, rdev->wpan_phy.supported.lbt)) + return -EINVAL; + return rdev_set_lbt_mode(rdev, wpan_dev, mode); } @@ -937,6 +1185,22 @@ static const struct genl_ops nl802154_ops[] = { NL802154_FLAG_NEED_RTNL, }, { + .cmd = NL802154_CMD_SET_CCA_ED_LEVEL, + .doit = nl802154_set_cca_ed_level, + .policy = nl802154_policy, + .flags = GENL_ADMIN_PERM, + .internal_flags = NL802154_FLAG_NEED_WPAN_PHY | + NL802154_FLAG_NEED_RTNL, + }, + { + .cmd = NL802154_CMD_SET_TX_POWER, + .doit = nl802154_set_tx_power, + .policy = nl802154_policy, + .flags = GENL_ADMIN_PERM, + .internal_flags = NL802154_FLAG_NEED_WPAN_PHY | + NL802154_FLAG_NEED_RTNL, + }, + { .cmd = NL802154_CMD_SET_PAN_ID, .doit = nl802154_set_pan_id, .policy = nl802154_policy, diff --git a/net/ieee802154/rdev-ops.h b/net/ieee802154/rdev-ops.h index 7b5a9dd94fe5..b2155a123f6c 100644 --- a/net/ieee802154/rdev-ops.h +++ b/net/ieee802154/rdev-ops.h @@ -75,6 +75,29 @@ rdev_set_cca_mode(struct cfg802154_registered_device *rdev, } static inline int +rdev_set_cca_ed_level(struct cfg802154_registered_device *rdev, s32 ed_level) +{ + int ret; + + trace_802154_rdev_set_cca_ed_level(&rdev->wpan_phy, ed_level); + ret = rdev->ops->set_cca_ed_level(&rdev->wpan_phy, ed_level); + trace_802154_rdev_return_int(&rdev->wpan_phy, ret); + return ret; +} + +static inline int +rdev_set_tx_power(struct cfg802154_registered_device *rdev, + s32 power) +{ + int ret; + + trace_802154_rdev_set_tx_power(&rdev->wpan_phy, power); + ret = rdev->ops->set_tx_power(&rdev->wpan_phy, power); + trace_802154_rdev_return_int(&rdev->wpan_phy, ret); + return ret; +} + +static inline int rdev_set_pan_id(struct cfg802154_registered_device *rdev, struct wpan_dev *wpan_dev, __le16 pan_id) { diff --git a/net/ieee802154/socket.c b/net/ieee802154/socket.c index b60c65f70346..b6eacf30ee7a 100644 --- a/net/ieee802154/socket.c +++ b/net/ieee802154/socket.c @@ -64,10 +64,8 @@ ieee802154_get_dev(struct net *net, const struct ieee802154_addr *addr) if (tmp->type != ARPHRD_IEEE802154) continue; - pan_id = ieee802154_mlme_ops(tmp)->get_pan_id(tmp); - short_addr = - ieee802154_mlme_ops(tmp)->get_short_addr(tmp); - + pan_id = tmp->ieee802154_ptr->pan_id; + short_addr = tmp->ieee802154_ptr->short_addr; if (pan_id == addr->pan_id && short_addr == addr->short_addr) { dev = tmp; @@ -228,15 +226,9 @@ static int raw_bind(struct sock *sk, struct sockaddr *_uaddr, int len) goto out; } - if (dev->type != ARPHRD_IEEE802154) { - err = -ENODEV; - goto out_put; - } - sk->sk_bound_dev_if = dev->ifindex; sk_dst_reset(sk); -out_put: dev_put(dev); out: release_sock(sk); @@ -286,7 +278,7 @@ static int raw_sendmsg(struct sock *sk, struct msghdr *msg, size_t size) if (size > mtu) { pr_debug("size = %Zu, mtu = %u\n", size, mtu); - err = -EINVAL; + err = -EMSGSIZE; goto out_dev; } @@ -739,6 +731,12 @@ static int dgram_recvmsg(struct sock *sk, struct msghdr *msg, size_t len, sock_recv_ts_and_drops(msg, sk, skb); if (saddr) { + /* Clear the implicit padding in struct sockaddr_ieee802154 + * (16 bits between 'family' and 'addr') and in struct + * ieee802154_addr_sa (16 bits at the end of the structure). + */ + memset(saddr, 0, sizeof(*saddr)); + saddr->family = AF_IEEE802154; ieee802154_addr_to_sa(&saddr->addr, &mac_cb(skb)->source); *addr_len = sizeof(*saddr); @@ -797,9 +795,9 @@ static int ieee802154_dgram_deliver(struct net_device *dev, struct sk_buff *skb) /* Data frame processing */ BUG_ON(dev->type != ARPHRD_IEEE802154); - pan_id = ieee802154_mlme_ops(dev)->get_pan_id(dev); - short_addr = ieee802154_mlme_ops(dev)->get_short_addr(dev); - hw_addr = ieee802154_devaddr_from_raw(dev->dev_addr); + pan_id = dev->ieee802154_ptr->pan_id; + short_addr = dev->ieee802154_ptr->short_addr; + hw_addr = dev->ieee802154_ptr->extended_addr; read_lock(&dgram_lock); sk_for_each(sk, &dgram_head) { @@ -1014,7 +1012,7 @@ static int ieee802154_create(struct net *net, struct socket *sock, } rc = -ENOMEM; - sk = sk_alloc(net, PF_IEEE802154, GFP_KERNEL, proto); + sk = sk_alloc(net, PF_IEEE802154, GFP_KERNEL, proto, kern); if (!sk) goto out; rc = 0; diff --git a/net/ieee802154/trace.h b/net/ieee802154/trace.h index 5ac25eb6ed17..9b5f0eb36696 100644 --- a/net/ieee802154/trace.h +++ b/net/ieee802154/trace.h @@ -1,4 +1,4 @@ -/* Based on net/wireless/tracing.h */ +/* Based on net/wireless/trace.h */ #undef TRACE_SYSTEM #define TRACE_SYSTEM cfg802154 @@ -56,7 +56,7 @@ TRACE_EVENT(802154_rdev_add_virtual_intf, __entry->type = type; __entry->extended_addr = extended_addr; ), - TP_printk(WPAN_PHY_PR_FMT ", virtual intf name: %s, type: %d, ea %llx", + TP_printk(WPAN_PHY_PR_FMT ", virtual intf name: %s, type: %d, extended addr: 0x%llx", WPAN_PHY_PR_ARG, __get_str(vir_intf_name), __entry->type, __le64_to_cpu(__entry->extended_addr)) ); @@ -93,6 +93,21 @@ TRACE_EVENT(802154_rdev_set_channel, __entry->page, __entry->channel) ); +TRACE_EVENT(802154_rdev_set_tx_power, + TP_PROTO(struct wpan_phy *wpan_phy, s32 power), + TP_ARGS(wpan_phy, power), + TP_STRUCT__entry( + WPAN_PHY_ENTRY + __field(s32, power) + ), + TP_fast_assign( + WPAN_PHY_ASSIGN; + __entry->power = power; + ), + TP_printk(WPAN_PHY_PR_FMT ", mbm: %d", WPAN_PHY_PR_ARG, + __entry->power) +); + TRACE_EVENT(802154_rdev_set_cca_mode, TP_PROTO(struct wpan_phy *wpan_phy, const struct wpan_phy_cca *cca), TP_ARGS(wpan_phy, cca), @@ -108,6 +123,21 @@ TRACE_EVENT(802154_rdev_set_cca_mode, WPAN_CCA_PR_ARG) ); +TRACE_EVENT(802154_rdev_set_cca_ed_level, + TP_PROTO(struct wpan_phy *wpan_phy, s32 ed_level), + TP_ARGS(wpan_phy, ed_level), + TP_STRUCT__entry( + WPAN_PHY_ENTRY + __field(s32, ed_level) + ), + TP_fast_assign( + WPAN_PHY_ASSIGN; + __entry->ed_level = ed_level; + ), + TP_printk(WPAN_PHY_PR_FMT ", ed level: %d", WPAN_PHY_PR_ARG, + __entry->ed_level) +); + DECLARE_EVENT_CLASS(802154_le16_template, TP_PROTO(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev, __le16 le16arg), @@ -137,7 +167,7 @@ DEFINE_EVENT_PRINT(802154_le16_template, 802154_rdev_set_short_addr, TP_PROTO(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev, __le16 le16arg), TP_ARGS(wpan_phy, wpan_dev, le16arg), - TP_printk(WPAN_PHY_PR_FMT ", " WPAN_DEV_PR_FMT ", sa: 0x%04x", + TP_printk(WPAN_PHY_PR_FMT ", " WPAN_DEV_PR_FMT ", short addr: 0x%04x", WPAN_PHY_PR_ARG, WPAN_DEV_PR_ARG, __le16_to_cpu(__entry->le16arg)) ); @@ -160,7 +190,7 @@ TRACE_EVENT(802154_rdev_set_backoff_exponent, ), TP_printk(WPAN_PHY_PR_FMT ", " WPAN_DEV_PR_FMT - ", min be: %d, max_be: %d", WPAN_PHY_PR_ARG, + ", min be: %d, max be: %d", WPAN_PHY_PR_ARG, WPAN_DEV_PR_ARG, __entry->min_be, __entry->max_be) ); |