Commit 24d342c5 authored by Liad Kaufman's avatar Liad Kaufman Committed by Johannes Berg
Browse files

mac80211: add option for setting skb flags before xmit



Allows setting of an skb's flags - if needed - when calling
ieee80211_subif_start_xmit().
Signed-off-by: default avatarLiad Kaufman <liad.kaufman@intel.com>
Signed-off-by: default avatarArik Nemtsov <arik@wizery.com>
Signed-off-by: default avatarJohannes Berg <johannes.berg@intel.com>
parent 760a52e8
......@@ -1625,6 +1625,9 @@ netdev_tx_t ieee80211_monitor_start_xmit(struct sk_buff *skb,
struct net_device *dev);
netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb,
struct net_device *dev);
void __ieee80211_subif_start_xmit(struct sk_buff *skb,
struct net_device *dev,
u32 info_flags);
void ieee80211_purge_tx_queue(struct ieee80211_hw *hw,
struct sk_buff_head *skbs);
......
......@@ -1787,21 +1787,22 @@ static void ieee80211_tx_latency_start_msrmnt(struct ieee80211_local *local,
}
/**
* ieee80211_subif_start_xmit - netif start_xmit function for Ethernet-type
* __ieee80211_subif_start_xmit - netif start_xmit function for Ethernet-type
* subinterfaces (wlan#, WDS, and VLAN interfaces)
* @skb: packet to be sent
* @dev: incoming interface
* @info_flags: skb flags to set
*
* Returns: NETDEV_TX_OK both on success and on failure. On failure skb will
* be freed.
* On failure skb will be freed.
*
* This function takes in an Ethernet header and encapsulates it with suitable
* IEEE 802.11 header based on which interface the packet is coming in. The
* encapsulated packet will then be passed to master interface, wlan#.11, for
* transmission (through low-level driver).
*/
netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb,
struct net_device *dev)
void __ieee80211_subif_start_xmit(struct sk_buff *skb,
struct net_device *dev,
u32 info_flags)
{
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
struct ieee80211_local *local = sdata->local;
......@@ -1819,7 +1820,6 @@ netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb,
bool wme_sta = false, authorized = false, tdls_auth = false;
bool tdls_peer = false, tdls_setup_frame = false;
bool multicast;
u32 info_flags = 0;
u16 info_id = 0;
struct ieee80211_chanctx_conf *chanctx_conf;
struct ieee80211_sub_if_data *ap_sdata;
......@@ -2224,15 +2224,20 @@ netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb,
ieee80211_xmit(sdata, skb, band);
rcu_read_unlock();
return NETDEV_TX_OK;
return;
fail_rcu:
rcu_read_unlock();
fail:
dev_kfree_skb(skb);
return NETDEV_TX_OK;
}
netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb,
struct net_device *dev)
{
__ieee80211_subif_start_xmit(skb, dev, 0);
return NETDEV_TX_OK;
}
/*
* ieee80211_clear_tx_pending may not be called in a context where
......
Markdown is supported
0% or .
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment