| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Date: Sat, 31 Mar 2018 00:05:18 -0700
From: Joe Perches <joe@...ches.com>
To: Johannes Berg <johannes@...solutions.net>
Cc: "David S. Miller" <davem@...emloft.net>,
linux-wireless@...r.kernel.org, netdev@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: [PATCH 03/12] net: mac80211: Use global ether_broadcast_addr
Remove statics and use the new global ether_broadcast_addr instead
to save some overall object code size.
Signed-off-by: Joe Perches <joe@...ches.com>
---
net/mac80211/iface.c | 5 +----
net/mac80211/key.c | 6 ++----
net/mac80211/mesh_hwmp.c | 19 ++++++++++---------
net/mac80211/mesh_pathtbl.c | 8 ++++----
4 files changed, 17 insertions(+), 21 deletions(-)
diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
index d13ba064951f..f203efc3c532 100644
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -1387,9 +1387,6 @@ static void ieee80211_recalc_smps_work(struct work_struct *work)
static void ieee80211_setup_sdata(struct ieee80211_sub_if_data *sdata,
enum nl80211_iftype type)
{
- static const u8 bssid_wildcard[ETH_ALEN] = {0xff, 0xff, 0xff,
- 0xff, 0xff, 0xff};
-
/* clear type-dependent union */
memset(&sdata->u, 0, sizeof(sdata->u));
@@ -1442,7 +1439,7 @@ static void ieee80211_setup_sdata(struct ieee80211_sub_if_data *sdata,
ieee80211_sta_setup_sdata(sdata);
break;
case NL80211_IFTYPE_OCB:
- sdata->vif.bss_conf.bssid = bssid_wildcard;
+ sdata->vif.bss_conf.bssid = ether_broadcast_addr;
ieee80211_ocb_setup_sdata(sdata);
break;
case NL80211_IFTYPE_ADHOC:
diff --git a/net/mac80211/key.c b/net/mac80211/key.c
index aee05ec3f7ea..429f0f4bdc0d 100644
--- a/net/mac80211/key.c
+++ b/net/mac80211/key.c
@@ -53,8 +53,6 @@
* remove the key which waits for an RCU grace period.
*/
-static const u8 bcast_addr[ETH_ALEN] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
-
static void assert_key_lock(struct ieee80211_local *local)
{
lockdep_assert_held(&local->key_mtx);
@@ -196,7 +194,7 @@ static int ieee80211_key_enable_hw_accel(struct ieee80211_key *key)
sdata_err(sdata,
"failed to set key (%d, %pM) to hardware (%d)\n",
key->conf.keyidx,
- sta ? sta->sta.addr : bcast_addr, ret);
+ sta ? sta->sta.addr : ether_broadcast_addr, ret);
out_unsupported:
switch (key->conf.cipher) {
@@ -253,7 +251,7 @@ static void ieee80211_key_disable_hw_accel(struct ieee80211_key *key)
sdata_err(sdata,
"failed to remove key (%d, %pM) from hardware (%d)\n",
key->conf.keyidx,
- sta ? sta->sta.addr : bcast_addr, ret);
+ sta ? sta->sta.addr : ether_broadcast_addr, ret);
key->flags &= ~KEY_FLAG_UPLOADED_TO_HARDWARE;
}
diff --git a/net/mac80211/mesh_hwmp.c b/net/mac80211/mesh_hwmp.c
index 35ad3983ae4b..23027ea80593 100644
--- a/net/mac80211/mesh_hwmp.c
+++ b/net/mac80211/mesh_hwmp.c
@@ -97,8 +97,6 @@ enum mpath_frame_type {
MPATH_RANN
};
-static const u8 broadcast_addr[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
-
static int mesh_path_sel_frame_tx(enum mpath_frame_type action, u8 flags,
const u8 *orig_addr, u32 orig_sn,
u8 target_flags, const u8 *target,
@@ -645,7 +643,7 @@ static void hwmp_preq_frame_process(struct ieee80211_sub_if_data *sdata,
preq_id = PREQ_IE_PREQ_ID(preq_elem);
hopcount = PREQ_IE_HOPCOUNT(preq_elem) + 1;
da = (mpath && mpath->is_root) ?
- mpath->rann_snd_addr : broadcast_addr;
+ mpath->rann_snd_addr : ether_broadcast_addr;
if (flags & IEEE80211_PREQ_PROACTIVE_PREP_FLAG) {
target_addr = PREQ_IE_TARGET_ADDR(preq_elem);
@@ -779,7 +777,7 @@ static void hwmp_perr_frame_process(struct ieee80211_sub_if_data *sdata,
goto endperr;
mesh_path_error_tx(sdata, ttl, target_addr,
target_sn, target_rcode,
- broadcast_addr);
+ ether_broadcast_addr);
} else
spin_unlock_bh(&mpath->state_lock);
}
@@ -877,7 +875,8 @@ static void hwmp_rann_frame_process(struct ieee80211_sub_if_data *sdata,
if (ifmsh->mshcfg.dot11MeshForwarding) {
mesh_path_sel_frame_tx(MPATH_RANN, flags, orig_addr,
- orig_sn, 0, NULL, 0, broadcast_addr,
+ orig_sn, 0, NULL, 0,
+ ether_broadcast_addr,
hopcount, ttl, interval,
new_metric, 0, sdata);
}
@@ -1080,7 +1079,7 @@ void mesh_path_start_discovery(struct ieee80211_sub_if_data *sdata)
target_flags &= ~IEEE80211_PREQ_TO_FLAG;
spin_unlock_bh(&mpath->state_lock);
- da = (mpath->is_root) ? mpath->rann_snd_addr : broadcast_addr;
+ da = (mpath->is_root) ? mpath->rann_snd_addr : ether_broadcast_addr;
mesh_path_sel_frame_tx(MPATH_PREQ, 0, sdata->vif.addr, ifmsh->sn,
target_flags, mpath->dst, mpath->sn, da, 0,
ttl, lifetime, 0, ifmsh->preq_id++, sdata);
@@ -1244,7 +1243,8 @@ void mesh_path_tx_root_frame(struct ieee80211_sub_if_data *sdata)
switch (ifmsh->mshcfg.dot11MeshHWMPRootMode) {
case IEEE80211_PROACTIVE_RANN:
mesh_path_sel_frame_tx(MPATH_RANN, flags, sdata->vif.addr,
- ++ifmsh->sn, 0, NULL, 0, broadcast_addr,
+ ++ifmsh->sn, 0, NULL, 0,
+ ether_broadcast_addr,
0, ifmsh->mshcfg.element_ttl,
interval, 0, 0, sdata);
break;
@@ -1257,8 +1257,9 @@ void mesh_path_tx_root_frame(struct ieee80211_sub_if_data *sdata)
IEEE80211_PREQ_USN_FLAG;
mesh_path_sel_frame_tx(MPATH_PREQ, flags, sdata->vif.addr,
++ifmsh->sn, target_flags,
- (u8 *) broadcast_addr, 0, broadcast_addr,
- 0, ifmsh->mshcfg.element_ttl, interval,
+ ether_broadcast_addr, 0,
+ ether_broadcast_addr, 0,
+ ifmsh->mshcfg.element_ttl, interval,
0, ifmsh->preq_id++, sdata);
break;
default:
diff --git a/net/mac80211/mesh_pathtbl.c b/net/mac80211/mesh_pathtbl.c
index a5125624a76d..8b16f7315fac 100644
--- a/net/mac80211/mesh_pathtbl.c
+++ b/net/mac80211/mesh_pathtbl.c
@@ -501,7 +501,6 @@ void mesh_plink_broken(struct sta_info *sta)
{
struct ieee80211_sub_if_data *sdata = sta->sdata;
struct mesh_table *tbl = sdata->u.mesh.mesh_paths;
- static const u8 bcast[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
struct mesh_path *mpath;
struct rhashtable_iter iter;
int ret;
@@ -525,9 +524,10 @@ void mesh_plink_broken(struct sta_info *sta)
++mpath->sn;
spin_unlock_bh(&mpath->state_lock);
mesh_path_error_tx(sdata,
- sdata->u.mesh.mshcfg.element_ttl,
- mpath->dst, mpath->sn,
- WLAN_REASON_MESH_PATH_DEST_UNREACHABLE, bcast);
+ sdata->u.mesh.mshcfg.element_ttl,
+ mpath->dst, mpath->sn,
+ WLAN_REASON_MESH_PATH_DEST_UNREACHABLE,
+ ether_broadcast_addr);
}
}
rhashtable_walk_stop(&iter);
--
2.15.0
Powered by blists - more mailing lists