From: Felix Varghese <felixvarg...@gmail.com>
This patch adds functions for invoking PIB set and get to the Netlink interface.
Signed-off-by: Felix Varghese <felixvarg...@gmail.com>
Signed-off-by: Prajosh Premdas <premdas.praj...@gmail.com>
---
net/ieee802154/nl-mac.c | 141 ++++++++++++++++++++++++++++++++++++++++++++
net/ieee802154/nl_policy.c | 4 +
2 files changed, 145 insertions(+), 0 deletions(-)
diff --git a/net/ieee802154/nl-mac.c b/net/ieee802154/nl-mac.c
index 2ace28b..c32c460 100644
--- a/net/ieee802154/nl-mac.c
+++ b/net/ieee802154/nl-mac.c
@@ -571,6 +571,145 @@ nla_put_failure:
}
EXPORT_SYMBOL(ieee802154_reset_confirm);
+int ieee802154_nl_get_confirm(struct net_device *dev, u8 PIBattr,
+ void *PIBval, int size)
+{
+ struct sk_buff *msg;
+
+ msg = ieee802154_nl_create(0, IEEE802154_GET_CONF);
+ if (!msg)
+ return -ENOBUFS;
+
+ NLA_PUT_STRING(msg, IEEE802154_ATTR_DEV_NAME, dev->name);
+ NLA_PUT_U8(msg, IEEE802154_ATTR_PIB_ATTRIBUTE, PIBattr);
+
+ if (size >= 0) {
+ NLA_PUT_U8(msg, IEEE802154_ATTR_STATUS, IEEE802154_SUCCESS);
+ NLA_PUT(msg, IEEE802154_ATTR_PIB_VALUE, size, PIBval);
+ NLA_PUT_U8(msg, IEEE802154_ATTR_PIB_SIZE, size);
+ } else{
+ NLA_PUT_U8(msg, IEEE802154_ATTR_STATUS,
+ IEEE802154_UNSUPPORTED_ATTR);
+ }
+
+ return ieee802154_nl_mcast(msg, ieee802154_coord_mcgrp.id);
+
+nla_put_failure:
+ nlmsg_free(msg);
+ return -ENOBUFS;
+}
+EXPORT_SYMBOL(ieee802154_nl_get_confirm);
+
+static int ieee802154_get_req(struct sk_buff *skb, struct genl_info *info)
+{
+ struct net_device *dev;
+ u8 PIB_Attribute;
+ int ret = 0;
+
+ if (!info->attrs[IEEE802154_ATTR_PIB_ATTRIBUTE])
+ return -EINVAL;
+
+ dev = ieee802154_nl_get_dev(info);
+ if (!dev) {
+ ret = -ENODEV;
+ goto error;
+ }
+
+ PIB_Attribute = nla_get_u8(info->attrs[IEEE802154_ATTR_PIB_ATTRIBUTE]);
+
+ if (!ieee802154_mlme_ops(dev)->get_req) {
+ ret = -EOPNOTSUPP;
+ goto error;
+ }
+
+ ret = ieee802154_mlme_ops(dev)->get_req(dev, PIB_Attribute);
+
+error:
+ dev_put(dev);
+ return ret;
+}
+
+int ieee802154_nl_set_confirm(struct net_device *dev, u8 PIBattr, int status)
+{
+ struct sk_buff *msg;
+
+ msg = ieee802154_nl_create(0, IEEE802154_SET_CONF);
+ if (!msg)
+ return -ENOBUFS;
+
+ NLA_PUT_STRING(msg, IEEE802154_ATTR_DEV_NAME, dev->name);
+ NLA_PUT_U8(msg, IEEE802154_ATTR_PIB_ATTRIBUTE, PIBattr);
+
+ switch (status) {
+ case 0:
+ NLA_PUT_U8(msg, IEEE802154_ATTR_STATUS, IEEE802154_SUCCESS);
+ break;
+
+ case -EPERM:
+ NLA_PUT_U8(msg, IEEE802154_ATTR_STATUS, IEEE802154_READ_ONLY);
+ break;
+
+ case -EINVAL:
+ NLA_PUT_U8(msg, IEEE802154_ATTR_STATUS,
+ IEEE802154_INVALID_PARAMETER);
+ break;
+
+ case -EOPNOTSUPP:
+ NLA_PUT_U8(msg, IEEE802154_ATTR_STATUS,
+ IEEE802154_UNSUPPORTED_ATTR);
+ break;
+ }
+
+ return ieee802154_nl_mcast(msg, ieee802154_coord_mcgrp.id);
+
+nla_put_failure:
+ nlmsg_free(msg);
+ return -ENOBUFS;
+}
+EXPORT_SYMBOL(ieee802154_nl_set_confirm);
+
+static int ieee802154_set_req(struct sk_buff *skb, struct genl_info *info)
+{
+ struct net_device *dev;
+ u8 PIB_Attribute;
+ char *PIBvalue;
+ int ret = 0;
+ u8 len;
+
+ if (!info->attrs[IEEE802154_ATTR_PIB_ATTRIBUTE])
+ return -EINVAL;
+
+ dev = ieee802154_nl_get_dev(info);
+ if (!dev) {
+ ret = -ENODEV;
+ goto error;
+ }
+
+ PIB_Attribute = nla_get_u8(info->attrs[IEEE802154_ATTR_PIB_ATTRIBUTE]);
+ len = nla_len(info->attrs[IEEE802154_ATTR_PIB_VALUE]);
+
+ PIBvalue = kmalloc(sizeof(union pib_value_t), GFP_ATOMIC);
+ if (!PIBvalue) {
+ ret = -ENOMEM;
+ goto error;
+ }
+
+ nla_memcpy(PIBvalue, info->attrs[IEEE802154_ATTR_PIB_VALUE], len);
+
+ if (!ieee802154_mlme_ops(dev)->set_req) {
+ ret = -EOPNOTSUPP;
+ goto error_free_mem;
+ }
+
+ ret = ieee802154_mlme_ops(dev)->set_req(dev, PIB_Attribute, PIBvalue);
+
+error_free_mem:
+ kfree(PIBvalue);
+error:
+ dev_put(dev);
+ return ret;
+}
+
static int ieee802154_list_iface(struct sk_buff *skb,
struct genl_info *info)
{
@@ -634,6 +773,8 @@ cont:
static struct genl_ops ieee802154_coordinator_ops[] = {
IEEE802154_OP(IEEE802154_RESET_REQ, ieee802154_reset_req),
+ IEEE802154_OP(IEEE802154_GET_REQ, ieee802154_get_req),
+ IEEE802154_OP(IEEE802154_SET_REQ, ieee802154_set_req),
IEEE802154_OP(IEEE802154_ASSOCIATE_REQ, ieee802154_associate_req),
IEEE802154_OP(IEEE802154_ASSOCIATE_RESP, ieee802154_associate_resp),
IEEE802154_OP(IEEE802154_DISASSOCIATE_REQ, ieee802154_disassociate_req),
diff --git a/net/ieee802154/nl_policy.c b/net/ieee802154/nl_policy.c
index 9da1d72..143b3f6 100644
--- a/net/ieee802154/nl_policy.c
+++ b/net/ieee802154/nl_policy.c
@@ -54,5 +54,9 @@ const struct nla_policy ieee802154_policy[IEEE802154_ATTR_MAX
+ 1] = {
[IEEE802154_ATTR_CHANNEL_PAGE_LIST] = { .len = 32 * 4, },
[IEEE802154_ATTR_SET_DEFAULT_PIB] = { .type = NLA_U8, },
+ [IEEE802154_ATTR_PIB_ATTRIBUTE] = { .type = NLA_U8, },
+ [IEEE802154_ATTR_PIB_VALUE] = { .type = NLA_UNSPEC,},
+ [IEEE802154_ATTR_PIB_SIZE] = { .type = NLA_U8, },
+
};
--
1.7.4.1
------------------------------------------------------------------------------
Virtualization & Cloud Management Using Capacity Planning
Cloud computing makes use of virtualization - but cloud computing
also focuses on allowing computing to be delivered as a service.
http://www.accelacomm.com/jaw/sfnl/114/51521223/
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