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Date: Sat, 18 Aug 2007 10:53:31 +0200 (CEST)
From: Jiri Slaby <jirislaby@...il.com>
To: <linux-wireless@...r.kernel.org>
Cc: <netdev@...r.kernel.org>
Subject: [PATCH 1/4 #2] Net: mac80211, remove bitfields from struct ieee80211_tx_packet_data
mac80211, remove bitfields from struct ieee80211_tx_packet_data
Signed-off-by: Jiri Slaby <jirislaby@...il.com>
---
commit b7844000ba006531bd2133e8097fa27724efe3c2
tree ba74c93d4c8f1ef7d7c4a3f45af9a24cf3a6d329
parent a050b807aede7f33339c6bee0bef1c07cd9c5fc4
author Jiri Slaby <jirislaby@...il.com> Sat, 18 Aug 2007 10:23:58 +0200
committer Jiri Slaby <jirislaby@...il.com> Sat, 18 Aug 2007 10:23:58 +0200
net/mac80211/ieee80211.c | 15 +++++++++++----
net/mac80211/ieee80211_i.h | 12 +++++++-----
net/mac80211/ieee80211_sta.c | 6 ++++--
net/mac80211/rx.c | 4 ++--
net/mac80211/tx.c | 23 ++++++++++++-----------
net/mac80211/wme.c | 4 ++--
6 files changed, 38 insertions(+), 26 deletions(-)
diff --git a/net/mac80211/ieee80211.c b/net/mac80211/ieee80211.c
index 9ff86ee..0952237 100644
--- a/net/mac80211/ieee80211.c
+++ b/net/mac80211/ieee80211.c
@@ -933,10 +933,17 @@ static void ieee80211_remove_tx_extra(struct ieee80211_local *local,
pkt_data = (struct ieee80211_tx_packet_data *)skb->cb;
pkt_data->ifindex = control->ifindex;
- pkt_data->mgmt_iface = (control->type == IEEE80211_IF_TYPE_MGMT);
- pkt_data->req_tx_status = !!(control->flags & IEEE80211_TXCTL_REQ_TX_STATUS);
- pkt_data->do_not_encrypt = !!(control->flags & IEEE80211_TXCTL_DO_NOT_ENCRYPT);
- pkt_data->requeue = !!(control->flags & IEEE80211_TXCTL_REQUEUE);
+ pkt_data->flags &= ~(IEEE80211_TXPD_REQ_TX_STATUS |
+ IEEE80211_TXPD_DO_NOT_ENCRYPT | IEEE80211_TXPD_REQUEUE |
+ IEEE80211_TXPD_MGMT_IFACE);
+ if (control->flags & IEEE80211_TXCTL_REQ_TX_STATUS)
+ pkt_data->flags |= IEEE80211_TXPD_REQ_TX_STATUS;
+ if (control->flags & IEEE80211_TXCTL_DO_NOT_ENCRYPT)
+ pkt_data->flags |= IEEE80211_TXPD_DO_NOT_ENCRYPT;
+ if (control->flags & IEEE80211_TXCTL_REQUEUE)
+ pkt_data->flags |= IEEE80211_TXPD_REQUEUE;
+ if (control->type == IEEE80211_IF_TYPE_MGMT)
+ pkt_data->flags |= IEEE80211_TXPD_MGMT_IFACE;
pkt_data->queue = control->queue;
hdrlen = ieee80211_get_hdrlen_from_skb(skb);
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index 4599d55..8163a5a 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -166,15 +166,17 @@ struct ieee80211_txrx_data {
#endif /* CONFIG_HOSTAPD_WPA_TESTING */
};
+/* flags used in struct ieee80211_tx_packet_data.flags */
+#define IEEE80211_TXPD_REQ_TX_STATUS BIT(0)
+#define IEEE80211_TXPD_DO_NOT_ENCRYPT BIT(1)
+#define IEEE80211_TXPD_REQUEUE BIT(2)
+#define IEEE80211_TXPD_MGMT_IFACE BIT(3)
/* Stored in sk_buff->cb */
struct ieee80211_tx_packet_data {
int ifindex;
unsigned long jiffies;
- unsigned int req_tx_status:1;
- unsigned int do_not_encrypt:1;
- unsigned int requeue:1;
- unsigned int mgmt_iface:1;
- unsigned int queue:4;
+ unsigned int flags;
+ u8 queue;
};
struct ieee80211_tx_stored_packet {
diff --git a/net/mac80211/ieee80211_sta.c b/net/mac80211/ieee80211_sta.c
index b996332..75521ae 100644
--- a/net/mac80211/ieee80211_sta.c
+++ b/net/mac80211/ieee80211_sta.c
@@ -506,8 +506,10 @@ static void ieee80211_sta_tx(struct net_device *dev, struct sk_buff *skb,
pkt_data = (struct ieee80211_tx_packet_data *) skb->cb;
memset(pkt_data, 0, sizeof(struct ieee80211_tx_packet_data));
pkt_data->ifindex = sdata->dev->ifindex;
- pkt_data->mgmt_iface = (sdata->type == IEEE80211_IF_TYPE_MGMT);
- pkt_data->do_not_encrypt = !encrypt;
+ if (sdata->type == IEEE80211_IF_TYPE_MGMT)
+ pkt_data->flags |= IEEE80211_TXPD_MGMT_IFACE;
+ if (!encrypt)
+ pkt_data->flags |= IEEE80211_TXPD_DO_NOT_ENCRYPT;
dev_queue_xmit(skb);
}
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index 0a10720..948eb2f 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -415,7 +415,7 @@ static int ap_sta_ps_end(struct net_device *dev, struct sta_info *sta)
while ((skb = skb_dequeue(&sta->tx_filtered)) != NULL) {
pkt_data = (struct ieee80211_tx_packet_data *) skb->cb;
sent++;
- pkt_data->requeue = 1;
+ pkt_data->flags |= IEEE80211_TXPD_REQUEUE;
dev_queue_xmit(skb);
}
while ((skb = skb_dequeue(&sta->ps_tx_buf)) != NULL) {
@@ -427,7 +427,7 @@ static int ap_sta_ps_end(struct net_device *dev, struct sta_info *sta)
"since STA not sleeping anymore\n", dev->name,
MAC_ARG(sta->addr), sta->aid);
#endif /* CONFIG_MAC80211_VERBOSE_PS_DEBUG */
- pkt_data->requeue = 1;
+ pkt_data->flags |= IEEE80211_TXPD_REQUEUE;
dev_queue_xmit(skb);
}
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index b57a592..3d05f8f 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -1248,11 +1248,11 @@ int ieee80211_master_start_xmit(struct sk_buff *skb,
control.ifindex = odev->ifindex;
control.type = osdata->type;
- if (pkt_data->req_tx_status)
+ if (pkt_data->flags & IEEE80211_TXPD_REQ_TX_STATUS)
control.flags |= IEEE80211_TXCTL_REQ_TX_STATUS;
- if (pkt_data->do_not_encrypt)
+ if (pkt_data->flags & IEEE80211_TXPD_DO_NOT_ENCRYPT)
control.flags |= IEEE80211_TXCTL_DO_NOT_ENCRYPT;
- if (pkt_data->requeue)
+ if (pkt_data->flags & IEEE80211_TXPD_REQUEUE)
control.flags |= IEEE80211_TXCTL_REQUEUE;
control.queue = pkt_data->queue;
@@ -1294,8 +1294,7 @@ int ieee80211_monitor_start_xmit(struct sk_buff *skb,
/* needed because we set skb device to master */
pkt_data->ifindex = dev->ifindex;
- pkt_data->mgmt_iface = 0;
- pkt_data->do_not_encrypt = 1;
+ pkt_data->flags |= IEEE80211_TXPD_DO_NOT_ENCRYPT;
/*
* fix up the pointers accounting for the radiotap
@@ -1346,7 +1345,7 @@ int ieee80211_subif_start_xmit(struct sk_buff *skb,
struct ieee80211_hdr hdr;
const u8 *encaps_data;
int encaps_len, skip_header_bytes;
- int nh_pos, h_pos, no_encrypt = 0;
+ int nh_pos, h_pos;
struct sta_info *sta;
sdata = IEEE80211_DEV_TO_SUB_IF(dev);
@@ -1492,8 +1491,8 @@ int ieee80211_subif_start_xmit(struct sk_buff *skb,
pkt_data = (struct ieee80211_tx_packet_data *)skb->cb;
memset(pkt_data, 0, sizeof(struct ieee80211_tx_packet_data));
pkt_data->ifindex = dev->ifindex;
- pkt_data->mgmt_iface = (sdata->type == IEEE80211_IF_TYPE_MGMT);
- pkt_data->do_not_encrypt = no_encrypt;
+ if (sdata->type == IEEE80211_IF_TYPE_MGMT)
+ pkt_data->flags |= IEEE80211_TXPD_MGMT_IFACE;
skb->dev = local->mdev;
sdata->stats.tx_packets++;
@@ -1551,7 +1550,8 @@ int ieee80211_mgmt_start_xmit(struct sk_buff *skb, struct net_device *dev)
pkt_data = (struct ieee80211_tx_packet_data *) skb->cb;
memset(pkt_data, 0, sizeof(struct ieee80211_tx_packet_data));
pkt_data->ifindex = sdata->dev->ifindex;
- pkt_data->mgmt_iface = (sdata->type == IEEE80211_IF_TYPE_MGMT);
+ if (sdata->type == IEEE80211_IF_TYPE_MGMT)
+ pkt_data->flags |= IEEE80211_TXPD_MGMT_IFACE;
skb->priority = 20; /* use hardcoded priority for mgmt TX queue */
skb->dev = sdata->local->mdev;
@@ -1561,12 +1561,13 @@ int ieee80211_mgmt_start_xmit(struct sk_buff *skb, struct net_device *dev)
* to request TX callback for hostapd. BIT(1) is checked.
*/
if ((fc & BIT(1)) == BIT(1)) {
- pkt_data->req_tx_status = 1;
+ pkt_data->flags |= IEEE80211_TXPD_REQ_TX_STATUS;
fc &= ~BIT(1);
hdr->frame_control = cpu_to_le16(fc);
}
- pkt_data->do_not_encrypt = !(fc & IEEE80211_FCTL_PROTECTED);
+ if (!(fc & IEEE80211_FCTL_PROTECTED))
+ pkt_data->flags |= IEEE80211_TXPD_DO_NOT_ENCRYPT;
sdata->stats.tx_packets++;
sdata->stats.tx_bytes += skb->len;
diff --git a/net/mac80211/wme.c b/net/mac80211/wme.c
index 99a792c..d3c81fe 100644
--- a/net/mac80211/wme.c
+++ b/net/mac80211/wme.c
@@ -110,7 +110,7 @@ static inline int classify80211(struct sk_buff *skb, struct Qdisc *qd)
return IEEE80211_TX_QUEUE_DATA0;
}
- if (unlikely(pkt_data->mgmt_iface)) {
+ if (unlikely(pkt_data->flags & IEEE80211_TXPD_MGMT_IFACE)) {
/* Data frames from hostapd (mainly, EAPOL) use AC_VO
* and they will include QoS control fields if
* the target STA is using WME. */
@@ -179,7 +179,7 @@ static int wme_qdiscop_enqueue(struct sk_buff *skb, struct Qdisc* qd)
struct Qdisc *qdisc;
int err, queue;
- if (pkt_data->requeue) {
+ if (pkt_data->flags & IEEE80211_TXPD_REQUEUE) {
skb_queue_tail(&q->requeued[pkt_data->queue], skb);
qd->q.qlen++;
return 0;
-
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