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mac802154: add ieee802154_vif struct

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This patch adds an ieee802154_vif similar like the ieee80211_vif which
holds the interface type and maybe further more attributes like the
ieee80211_vif structure.

Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Cc: Varka Bhadram <varkabhadram@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
This commit is contained in:
Alexander Aring 2014-11-05 20:51:20 +01:00 committed by Marcel Holtmann
parent e4962a1443
commit 7c118c1a86
6 changed files with 20 additions and 8 deletions
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1
drivers/net/ieee802154/at86rf230.c
View File

@ -1533,6 +1533,7 @@ static int at86rf230_probe(struct spi_device *spi)
lp->hw = hw;
lp->spi = spi;
hw->parent = &spi->dev;
hw->vif_data_size = sizeof(*lp);
lp->regmap = devm_regmap_init_spi(spi, &at86rf230_regmap_spi_config);
if (IS_ERR(lp->regmap)) {

1
drivers/net/ieee802154/cc2520.c
View File

@ -651,6 +651,7 @@ static int cc2520_register(struct cc2520_private *priv)
priv->hw->priv = priv;
priv->hw->parent = &priv->spi->dev;
priv->hw->extra_tx_headroom = 0;
priv->hw->vif_data_size = sizeof(*priv);
/* We do support only 2.4 Ghz */
priv->hw->phy->channels_supported[0] = 0x7FFF800;

8
include/net/mac802154.h
View File

@ -52,6 +52,13 @@ struct ieee802154_hw_addr_filt {
u8 pan_coord;
};
struct ieee802154_vif {
int type;
/* must be last */
u8 drv_priv[0] __aligned(sizeof(void *));
};
struct ieee802154_hw {
/* filled by the driver */
int extra_tx_headroom;
@ -62,6 +69,7 @@ struct ieee802154_hw {
struct ieee802154_hw_addr_filt hw_filt;
void *priv;
struct wpan_phy *phy;
size_t vif_data_size;
};
/* Checksum is in hardware and is omitted from a packet

3
net/mac802154/ieee802154_i.h
View File

@ -79,7 +79,6 @@ struct ieee802154_sub_if_data {
struct ieee802154_local *local;
struct net_device *dev;
int type;
unsigned long state;
char name[IFNAMSIZ];
@ -103,6 +102,8 @@ struct ieee802154_sub_if_data {
struct mutex sec_mtx;
struct mac802154_llsec sec;
/* must be last, dynamically sized area in this! */
struct ieee802154_vif vif;
};
#define MAC802154_CHAN_NONE 0xff /* No channel is assigned */

11
net/mac802154/iface.c
View File

@ -136,10 +136,11 @@ static int mac802154_slave_open(struct net_device *dev)
ASSERT_RTNL();
if (sdata->type == IEEE802154_DEV_WPAN) {
if (sdata->vif.type == IEEE802154_DEV_WPAN) {
mutex_lock(&sdata->local->iflist_mtx);
list_for_each_entry(subif, &sdata->local->interfaces, list) {
if (subif != sdata && subif->type == sdata->type &&
if (subif != sdata &&
subif->vif.type == sdata->vif.type &&
ieee802154_sdata_running(subif)) {
mutex_unlock(&sdata->local->iflist_mtx);
return -EBUSY;
@ -397,7 +398,7 @@ static int
ieee802154_setup_sdata(struct ieee802154_sub_if_data *sdata, int type)
{
/* set some type-dependent values */
sdata->type = type;
sdata->vif.type = type;
get_random_bytes(&sdata->bsn, 1);
get_random_bytes(&sdata->dsn, 1);
@ -447,8 +448,8 @@ ieee802154_if_add(struct ieee802154_local *local, const char *name,
ASSERT_RTNL();
ndev = alloc_netdev(sizeof(*sdata), name, NET_NAME_UNKNOWN,
ieee802154_if_setup);
ndev = alloc_netdev(sizeof(*sdata) + local->hw.vif_data_size, name,
NET_NAME_UNKNOWN, ieee802154_if_setup);
if (!ndev)
return ERR_PTR(-ENOMEM);

4
net/mac802154/rx.c
View File

@ -208,7 +208,7 @@ __ieee802154_rx_handle_packet(struct ieee802154_local *local,
}
list_for_each_entry_rcu(sdata, &local->interfaces, list) {
if (sdata->type != IEEE802154_DEV_WPAN ||
if (sdata->vif.type != IEEE802154_DEV_WPAN ||
!netif_running(sdata->dev))
continue;
@ -233,7 +233,7 @@ ieee802154_monitors_rx(struct ieee802154_local *local, struct sk_buff *skb)
skb->protocol = htons(ETH_P_IEEE802154);
list_for_each_entry_rcu(sdata, &local->interfaces, list) {
if (sdata->type != IEEE802154_DEV_MONITOR)
if (sdata->vif.type != IEEE802154_DEV_MONITOR)
continue;
if (!ieee802154_sdata_running(sdata))