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authorFelix Fietkau <nbd@openwrt.org>2015-03-27 14:54:46 +0000
committerFelix Fietkau <nbd@openwrt.org>2015-03-27 14:54:46 +0000
commit7cc4cbb4d3bb57a18462338fa410740dd074da08 (patch)
treec79fa856897d6105dda0df72e14398ed063c15f3 /package/kernel/mac80211/patches
parent8905eb39b6ab2db1558103829e578fd7f4b76db0 (diff)
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mac80211: rework memory allocation for software queueing patch
Signed-off-by: Felix Fietkau <nbd@openwrt.org> SVN-Revision: 45061
Diffstat (limited to 'package/kernel/mac80211/patches')
-rw-r--r--package/kernel/mac80211/patches/300-mac80211-add-an-intermediate-software-queue-implemen.patch62
1 files changed, 40 insertions, 22 deletions
diff --git a/package/kernel/mac80211/patches/300-mac80211-add-an-intermediate-software-queue-implemen.patch b/package/kernel/mac80211/patches/300-mac80211-add-an-intermediate-software-queue-implemen.patch
index 5febbf08d1..ee62c2f5ba 100644
--- a/package/kernel/mac80211/patches/300-mac80211-add-an-intermediate-software-queue-implemen.patch
+++ b/package/kernel/mac80211/patches/300-mac80211-add-an-intermediate-software-queue-implemen.patch
@@ -259,7 +259,45 @@ Signed-off-by: Felix Fietkau <nbd@openwrt.org>
if (local->open_count == 0)
ieee80211_clear_tx_pending(local);
-@@ -1773,6 +1780,15 @@ int ieee80211_if_add(struct ieee80211_lo
+@@ -1674,6 +1681,7 @@ int ieee80211_if_add(struct ieee80211_lo
+ {
+ struct net_device *ndev = NULL;
+ struct ieee80211_sub_if_data *sdata = NULL;
++ struct txq_info *txqi;
+ int ret, i;
+ int txqs = 1;
+
+@@ -1693,10 +1701,18 @@ int ieee80211_if_add(struct ieee80211_lo
+ ieee80211_assign_perm_addr(local, wdev->address, type);
+ memcpy(sdata->vif.addr, wdev->address, ETH_ALEN);
+ } else {
++ int size = ALIGN(sizeof(*sdata) + local->hw.vif_data_size,
++ sizeof(void *));
++ int txq_size = 0;
++
++ if (local->ops->wake_tx_queue)
++ txq_size += sizeof(struct txq_info) +
++ local->hw.txq_data_size;
++
+ if (local->hw.queues >= IEEE80211_NUM_ACS)
+ txqs = IEEE80211_NUM_ACS;
+
+- ndev = alloc_netdev_mqs(sizeof(*sdata) + local->hw.vif_data_size,
++ ndev = alloc_netdev_mqs(size + txq_size,
+ name, NET_NAME_UNKNOWN,
+ ieee80211_if_setup, txqs, 1);
+ if (!ndev)
+@@ -1731,6 +1747,9 @@ int ieee80211_if_add(struct ieee80211_lo
+ memcpy(sdata->vif.addr, ndev->dev_addr, ETH_ALEN);
+ memcpy(sdata->name, ndev->name, IFNAMSIZ);
+
++ txqi = netdev_priv(ndev) + size;
++ ieee80211_init_tx_queue(sdata, NULL, txqi, 0);
++
+ sdata->dev = ndev;
+ }
+
+@@ -1773,6 +1792,15 @@ int ieee80211_if_add(struct ieee80211_lo
ieee80211_setup_sdata(sdata, type);
if (ndev) {
@@ -275,7 +313,7 @@ Signed-off-by: Felix Fietkau <nbd@openwrt.org>
if (params) {
ndev->ieee80211_ptr->use_4addr = params->use_4addr;
if (type == NL80211_IFTYPE_STATION)
-@@ -1785,6 +1801,7 @@ int ieee80211_if_add(struct ieee80211_lo
+@@ -1785,6 +1813,7 @@ int ieee80211_if_add(struct ieee80211_lo
ret = register_netdevice(ndev);
if (ret) {
@@ -283,26 +321,6 @@ Signed-off-by: Felix Fietkau <nbd@openwrt.org>
free_netdev(ndev);
return ret;
}
-@@ -1810,6 +1827,9 @@ void ieee80211_if_remove(struct ieee8021
-
- synchronize_rcu();
-
-+ if (sdata->vif.txq)
-+ kfree(to_txq_info(sdata->vif.txq));
-+
- if (sdata->dev) {
- unregister_netdevice(sdata->dev);
- } else {
-@@ -1851,6 +1871,9 @@ void ieee80211_remove_interfaces(struct
- list_for_each_entry_safe(sdata, tmp, &local->interfaces, list) {
- list_del(&sdata->list);
-
-+ if (sdata->vif.txq)
-+ kfree(to_txq_info(sdata->vif.txq));
-+
- if (sdata->dev)
- unregister_netdevice_queue(sdata->dev, &unreg_list);
- else
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -1019,6 +1019,9 @@ int ieee80211_register_hw(struct ieee802