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mac80211: add option for setting control flags 

Allows setting of control flags of skb cb - if needed -
when calling ieee80211_subif_start_xmit().

Tested-by: Pradeep Kumar Chitrapu <pradeepc@codeaurora.org>
Signed-off-by: Rajkumar Manoharan <rmanohar@codeaurora.org>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Rajkumar Manoharan 2019-04-11 13:47:25 -07:00 committed by Johannes Berg
parent 5ab92e7fe4
commit 060167729a
3 changed files with 14 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
net/mac80211/ieee80211_i.h
View File

@ -1761,7 +1761,8 @@ 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);
u32 info_flags,
u32 ctrl_flags);
void ieee80211_purge_tx_queue(struct ieee80211_hw *hw,
struct sk_buff_head *skbs);
struct sk_buff *

2
net/mac80211/tdls.c
View File

@ -1056,7 +1056,7 @@ ieee80211_tdls_prep_mgmt_packet(struct wiphy *wiphy, struct net_device *dev,
/* disable bottom halves when entering the Tx path */
local_bh_disable();
__ieee80211_subif_start_xmit(skb, dev, flags);
__ieee80211_subif_start_xmit(skb, dev, flags, 0);
local_bh_enable();
return ret;

18
net/mac80211/tx.c
View File

@ -2432,6 +2432,7 @@ static int ieee80211_lookup_ra_sta(struct ieee80211_sub_if_data *sdata,
* @sdata: virtual interface to build the header for
* @skb: the skb to build the header in
* @info_flags: skb flags to set
* @ctrl_flags: info control flags to set
*
* This function takes the skb with 802.3 header and reformats the header to
* the appropriate IEEE 802.11 header based on which interface the packet is
@ -2447,7 +2448,7 @@ static int ieee80211_lookup_ra_sta(struct ieee80211_sub_if_data *sdata,
*/
static struct sk_buff *ieee80211_build_hdr(struct ieee80211_sub_if_data *sdata,
struct sk_buff *skb, u32 info_flags,
struct sta_info *sta)
struct sta_info *sta, u32 ctrl_flags)
{
struct ieee80211_local *local = sdata->local;
struct ieee80211_tx_info *info;
@ -2824,6 +2825,7 @@ static struct sk_buff *ieee80211_build_hdr(struct ieee80211_sub_if_data *sdata,
info->flags = info_flags;
info->ack_frame_id = info_id;
info->band = band;
info->control.flags = ctrl_flags;
return skb;
free:
@ -3804,7 +3806,8 @@ EXPORT_SYMBOL(ieee80211_txq_schedule_end);
void __ieee80211_subif_start_xmit(struct sk_buff *skb,
struct net_device *dev,
u32 info_flags)
u32 info_flags,
u32 ctrl_flags)
{
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
struct ieee80211_local *local = sdata->local;
@ -3878,7 +3881,8 @@ void __ieee80211_subif_start_xmit(struct sk_buff *skb,
skb->prev = NULL;
skb->next = NULL;
skb = ieee80211_build_hdr(sdata, skb, info_flags, sta);
skb = ieee80211_build_hdr(sdata, skb, info_flags,
sta, ctrl_flags);
if (IS_ERR(skb))
goto out;
@ -4018,9 +4022,9 @@ netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb,
__skb_queue_head_init(&queue);
ieee80211_convert_to_unicast(skb, dev, &queue);
while ((skb = __skb_dequeue(&queue)))
__ieee80211_subif_start_xmit(skb, dev, 0);
__ieee80211_subif_start_xmit(skb, dev, 0, 0);
} else {
__ieee80211_subif_start_xmit(skb, dev, 0);
__ieee80211_subif_start_xmit(skb, dev, 0, 0);
}
return NETDEV_TX_OK;
@ -4045,7 +4049,7 @@ ieee80211_build_data_template(struct ieee80211_sub_if_data *sdata,
goto out;
}
skb = ieee80211_build_hdr(sdata, skb, info_flags, sta);
skb = ieee80211_build_hdr(sdata, skb, info_flags, sta, 0);
if (IS_ERR(skb))
goto out;
@ -5082,7 +5086,7 @@ int ieee80211_tx_control_port(struct wiphy *wiphy, struct net_device *dev,
skb_reset_mac_header(skb);
local_bh_disable();
__ieee80211_subif_start_xmit(skb, skb->dev, flags);
__ieee80211_subif_start_xmit(skb, skb->dev, flags, 0);
local_bh_enable();
return 0;