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Diffstat (limited to 'net/ieee802154/nl-mac.c')
-rw-r--r--net/ieee802154/nl-mac.c102
1 files changed, 62 insertions, 40 deletions
diff --git a/net/ieee802154/nl-mac.c b/net/ieee802154/nl-mac.c
index ba5c1e002f37..bda8dba4f993 100644
--- a/net/ieee802154/nl-mac.c
+++ b/net/ieee802154/nl-mac.c
@@ -39,6 +39,26 @@
#include "ieee802154.h"
+static int nla_put_hwaddr(struct sk_buff *msg, int type, __le64 hwaddr)
+{
+ return nla_put_u64(msg, type, swab64((__force u64)hwaddr));
+}
+
+static __le64 nla_get_hwaddr(const struct nlattr *nla)
+{
+ return ieee802154_devaddr_from_raw(nla_data(nla));
+}
+
+static int nla_put_shortaddr(struct sk_buff *msg, int type, __le16 addr)
+{
+ return nla_put_u16(msg, type, le16_to_cpu(addr));
+}
+
+static __le16 nla_get_shortaddr(const struct nlattr *nla)
+{
+ return cpu_to_le16(nla_get_u16(nla));
+}
+
int ieee802154_nl_assoc_indic(struct net_device *dev,
struct ieee802154_addr *addr, u8 cap)
{
@@ -46,7 +66,7 @@ int ieee802154_nl_assoc_indic(struct net_device *dev,
pr_debug("%s\n", __func__);
- if (addr->addr_type != IEEE802154_ADDR_LONG) {
+ if (addr->mode != IEEE802154_ADDR_LONG) {
pr_err("%s: received non-long source address!\n", __func__);
return -EINVAL;
}
@@ -59,8 +79,8 @@ int ieee802154_nl_assoc_indic(struct net_device *dev,
nla_put_u32(msg, IEEE802154_ATTR_DEV_INDEX, dev->ifindex) ||
nla_put(msg, IEEE802154_ATTR_HW_ADDR, IEEE802154_ADDR_LEN,
dev->dev_addr) ||
- nla_put(msg, IEEE802154_ATTR_SRC_HW_ADDR, IEEE802154_ADDR_LEN,
- addr->hwaddr) ||
+ nla_put_hwaddr(msg, IEEE802154_ATTR_SRC_HW_ADDR,
+ addr->extended_addr) ||
nla_put_u8(msg, IEEE802154_ATTR_CAPABILITY, cap))
goto nla_put_failure;
@@ -72,7 +92,7 @@ nla_put_failure:
}
EXPORT_SYMBOL(ieee802154_nl_assoc_indic);
-int ieee802154_nl_assoc_confirm(struct net_device *dev, u16 short_addr,
+int ieee802154_nl_assoc_confirm(struct net_device *dev, __le16 short_addr,
u8 status)
{
struct sk_buff *msg;
@@ -87,7 +107,7 @@ int ieee802154_nl_assoc_confirm(struct net_device *dev, u16 short_addr,
nla_put_u32(msg, IEEE802154_ATTR_DEV_INDEX, dev->ifindex) ||
nla_put(msg, IEEE802154_ATTR_HW_ADDR, IEEE802154_ADDR_LEN,
dev->dev_addr) ||
- nla_put_u16(msg, IEEE802154_ATTR_SHORT_ADDR, short_addr) ||
+ nla_put_shortaddr(msg, IEEE802154_ATTR_SHORT_ADDR, short_addr) ||
nla_put_u8(msg, IEEE802154_ATTR_STATUS, status))
goto nla_put_failure;
return ieee802154_nl_mcast(msg, IEEE802154_COORD_MCGRP);
@@ -114,13 +134,13 @@ int ieee802154_nl_disassoc_indic(struct net_device *dev,
nla_put(msg, IEEE802154_ATTR_HW_ADDR, IEEE802154_ADDR_LEN,
dev->dev_addr))
goto nla_put_failure;
- if (addr->addr_type == IEEE802154_ADDR_LONG) {
- if (nla_put(msg, IEEE802154_ATTR_SRC_HW_ADDR, IEEE802154_ADDR_LEN,
- addr->hwaddr))
+ if (addr->mode == IEEE802154_ADDR_LONG) {
+ if (nla_put_hwaddr(msg, IEEE802154_ATTR_SRC_HW_ADDR,
+ addr->extended_addr))
goto nla_put_failure;
} else {
- if (nla_put_u16(msg, IEEE802154_ATTR_SRC_SHORT_ADDR,
- addr->short_addr))
+ if (nla_put_shortaddr(msg, IEEE802154_ATTR_SRC_SHORT_ADDR,
+ addr->short_addr))
goto nla_put_failure;
}
if (nla_put_u8(msg, IEEE802154_ATTR_REASON, reason))
@@ -157,8 +177,8 @@ nla_put_failure:
}
EXPORT_SYMBOL(ieee802154_nl_disassoc_confirm);
-int ieee802154_nl_beacon_indic(struct net_device *dev,
- u16 panid, u16 coord_addr)
+int ieee802154_nl_beacon_indic(struct net_device *dev, __le16 panid,
+ __le16 coord_addr)
{
struct sk_buff *msg;
@@ -172,8 +192,9 @@ int ieee802154_nl_beacon_indic(struct net_device *dev,
nla_put_u32(msg, IEEE802154_ATTR_DEV_INDEX, dev->ifindex) ||
nla_put(msg, IEEE802154_ATTR_HW_ADDR, IEEE802154_ADDR_LEN,
dev->dev_addr) ||
- nla_put_u16(msg, IEEE802154_ATTR_COORD_SHORT_ADDR, coord_addr) ||
- nla_put_u16(msg, IEEE802154_ATTR_COORD_PAN_ID, panid))
+ nla_put_shortaddr(msg, IEEE802154_ATTR_COORD_SHORT_ADDR,
+ coord_addr) ||
+ nla_put_shortaddr(msg, IEEE802154_ATTR_COORD_PAN_ID, panid))
goto nla_put_failure;
return ieee802154_nl_mcast(msg, IEEE802154_COORD_MCGRP);
@@ -243,6 +264,7 @@ static int ieee802154_nl_fill_iface(struct sk_buff *msg, u32 portid,
{
void *hdr;
struct wpan_phy *phy;
+ __le16 short_addr, pan_id;
pr_debug("%s\n", __func__);
@@ -254,15 +276,16 @@ static int ieee802154_nl_fill_iface(struct sk_buff *msg, u32 portid,
phy = ieee802154_mlme_ops(dev)->get_phy(dev);
BUG_ON(!phy);
+ short_addr = ieee802154_mlme_ops(dev)->get_short_addr(dev);
+ pan_id = ieee802154_mlme_ops(dev)->get_pan_id(dev);
+
if (nla_put_string(msg, IEEE802154_ATTR_DEV_NAME, dev->name) ||
nla_put_string(msg, IEEE802154_ATTR_PHY_NAME, wpan_phy_name(phy)) ||
nla_put_u32(msg, IEEE802154_ATTR_DEV_INDEX, dev->ifindex) ||
nla_put(msg, IEEE802154_ATTR_HW_ADDR, IEEE802154_ADDR_LEN,
dev->dev_addr) ||
- nla_put_u16(msg, IEEE802154_ATTR_SHORT_ADDR,
- ieee802154_mlme_ops(dev)->get_short_addr(dev)) ||
- nla_put_u16(msg, IEEE802154_ATTR_PAN_ID,
- ieee802154_mlme_ops(dev)->get_pan_id(dev)))
+ nla_put_shortaddr(msg, IEEE802154_ATTR_SHORT_ADDR, short_addr) ||
+ nla_put_shortaddr(msg, IEEE802154_ATTR_PAN_ID, pan_id))
goto nla_put_failure;
wpan_phy_put(phy);
return genlmsg_end(msg, hdr);
@@ -322,16 +345,16 @@ int ieee802154_associate_req(struct sk_buff *skb, struct genl_info *info)
goto out;
if (info->attrs[IEEE802154_ATTR_COORD_HW_ADDR]) {
- addr.addr_type = IEEE802154_ADDR_LONG;
- nla_memcpy(addr.hwaddr,
- info->attrs[IEEE802154_ATTR_COORD_HW_ADDR],
- IEEE802154_ADDR_LEN);
+ addr.mode = IEEE802154_ADDR_LONG;
+ addr.extended_addr = nla_get_hwaddr(
+ info->attrs[IEEE802154_ATTR_COORD_HW_ADDR]);
} else {
- addr.addr_type = IEEE802154_ADDR_SHORT;
- addr.short_addr = nla_get_u16(
+ addr.mode = IEEE802154_ADDR_SHORT;
+ addr.short_addr = nla_get_shortaddr(
info->attrs[IEEE802154_ATTR_COORD_SHORT_ADDR]);
}
- addr.pan_id = nla_get_u16(info->attrs[IEEE802154_ATTR_COORD_PAN_ID]);
+ addr.pan_id = nla_get_shortaddr(
+ info->attrs[IEEE802154_ATTR_COORD_PAN_ID]);
if (info->attrs[IEEE802154_ATTR_PAGE])
page = nla_get_u8(info->attrs[IEEE802154_ATTR_PAGE]);
@@ -365,14 +388,13 @@ int ieee802154_associate_resp(struct sk_buff *skb, struct genl_info *info)
if (!ieee802154_mlme_ops(dev)->assoc_resp)
goto out;
- addr.addr_type = IEEE802154_ADDR_LONG;
- nla_memcpy(addr.hwaddr, info->attrs[IEEE802154_ATTR_DEST_HW_ADDR],
- IEEE802154_ADDR_LEN);
+ 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);
-
ret = ieee802154_mlme_ops(dev)->assoc_resp(dev, &addr,
- nla_get_u16(info->attrs[IEEE802154_ATTR_DEST_SHORT_ADDR]),
+ nla_get_shortaddr(info->attrs[IEEE802154_ATTR_DEST_SHORT_ADDR]),
nla_get_u8(info->attrs[IEEE802154_ATTR_STATUS]));
out:
@@ -398,13 +420,12 @@ int ieee802154_disassociate_req(struct sk_buff *skb, struct genl_info *info)
goto out;
if (info->attrs[IEEE802154_ATTR_DEST_HW_ADDR]) {
- addr.addr_type = IEEE802154_ADDR_LONG;
- nla_memcpy(addr.hwaddr,
- info->attrs[IEEE802154_ATTR_DEST_HW_ADDR],
- IEEE802154_ADDR_LEN);
+ addr.mode = IEEE802154_ADDR_LONG;
+ addr.extended_addr = nla_get_hwaddr(
+ info->attrs[IEEE802154_ATTR_DEST_HW_ADDR]);
} else {
- addr.addr_type = IEEE802154_ADDR_SHORT;
- addr.short_addr = nla_get_u16(
+ addr.mode = IEEE802154_ADDR_SHORT;
+ addr.short_addr = nla_get_shortaddr(
info->attrs[IEEE802154_ATTR_DEST_SHORT_ADDR]);
}
addr.pan_id = ieee802154_mlme_ops(dev)->get_pan_id(dev);
@@ -449,10 +470,11 @@ int ieee802154_start_req(struct sk_buff *skb, struct genl_info *info)
if (!ieee802154_mlme_ops(dev)->start_req)
goto out;
- addr.addr_type = IEEE802154_ADDR_SHORT;
- addr.short_addr = nla_get_u16(
+ addr.mode = IEEE802154_ADDR_SHORT;
+ addr.short_addr = nla_get_shortaddr(
info->attrs[IEEE802154_ATTR_COORD_SHORT_ADDR]);
- addr.pan_id = nla_get_u16(info->attrs[IEEE802154_ATTR_COORD_PAN_ID]);
+ addr.pan_id = nla_get_shortaddr(
+ info->attrs[IEEE802154_ATTR_COORD_PAN_ID]);
channel = nla_get_u8(info->attrs[IEEE802154_ATTR_CHANNEL]);
bcn_ord = nla_get_u8(info->attrs[IEEE802154_ATTR_BCN_ORD]);
@@ -467,7 +489,7 @@ int ieee802154_start_req(struct sk_buff *skb, struct genl_info *info)
page = 0;
- if (addr.short_addr == IEEE802154_ADDR_BROADCAST) {
+ if (addr.short_addr == cpu_to_le16(IEEE802154_ADDR_BROADCAST)) {
ieee802154_nl_start_confirm(dev, IEEE802154_NO_SHORT_ADDRESS);
dev_put(dev);
return -EINVAL;
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.