Use put_unaligned_le16 and put_unaligned_le32 for
mesh_path_error_tx and mesh_path_sel_frame_tx.
Signed-off-by: Chun-Yeow Yeoh <yeohchunyeow@xxxxxxxxx>
---
net/mac80211/mesh.h | 4 +-
net/mac80211/mesh_hwmp.c | 87 ++++++++++++++++++-------------------------
net/mac80211/mesh_pathtbl.c | 7 ++--
net/mac80211/rx.c | 5 ++-
4 files changed, 45 insertions(+), 58 deletions(-)
diff --git a/net/mac80211/mesh.h b/net/mac80211/mesh.h
index 3f867e5..f39a19f 100644
--- a/net/mac80211/mesh.h
+++ b/net/mac80211/mesh.h
@@ -301,8 +301,8 @@ void mesh_mpath_table_grow(void);
void mesh_mpp_table_grow(void);
/* Mesh paths */
int mesh_path_error_tx(struct ieee80211_sub_if_data *sdata,
- u8 ttl, const u8 *target, __le32 target_sn,
- __le16 target_rcode, const u8 *ra);
+ u8 ttl, const u8 *target, u32 target_sn,
+ u16 target_rcode, const u8 *ra);
void mesh_path_assign_nexthop(struct mesh_path *mpath, struct sta_info *sta);
void mesh_path_flush_pending(struct mesh_path *mpath);
void mesh_path_tx_pending(struct mesh_path *mpath);
diff --git a/net/mac80211/mesh_hwmp.c b/net/mac80211/mesh_hwmp.c
index 56e0c07..f951468 100644
--- a/net/mac80211/mesh_hwmp.c
+++ b/net/mac80211/mesh_hwmp.c
@@ -102,12 +102,11 @@ enum mpath_frame_type {
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, __le32 orig_sn,
+ const u8 *orig_addr, u32 orig_sn,
u8 target_flags, const u8 *target,
- __le32 target_sn, const u8 *da,
+ u32 target_sn, const u8 *da,
u8 hop_count, u8 ttl,
- __le32 lifetime, __le32 metric,
- __le32 preq_id,
+ u32 lifetime, u32 metric, u32 preq_id,
struct ieee80211_sub_if_data *sdata)
{
struct ieee80211_local *local = sdata->local;
@@ -167,33 +166,33 @@ static int mesh_path_sel_frame_tx(enum mpath_frame_type action, u8 flags,
if (action == MPATH_PREP) {
memcpy(pos, target, ETH_ALEN);
pos += ETH_ALEN;
- memcpy(pos, &target_sn, 4);
+ put_unaligned_le32(target_sn, pos);
pos += 4;
} else {
if (action == MPATH_PREQ) {
- memcpy(pos, &preq_id, 4);
+ put_unaligned_le32(preq_id, pos);
pos += 4;
}
memcpy(pos, orig_addr, ETH_ALEN);
pos += ETH_ALEN;
- memcpy(pos, &orig_sn, 4);
+ put_unaligned_le32(orig_sn, pos);
pos += 4;
}
- memcpy(pos, &lifetime, 4); /* interval for RANN */
+ put_unaligned_le32(lifetime, pos); /* interval for RANN */
pos += 4;
- memcpy(pos, &metric, 4);
+ put_unaligned_le32(metric, pos);
pos += 4;
if (action == MPATH_PREQ) {
*pos++ = 1; /* destination count */
*pos++ = target_flags;
memcpy(pos, target, ETH_ALEN);
pos += ETH_ALEN;
- memcpy(pos, &target_sn, 4);
+ put_unaligned_le32(target_sn, pos);
pos += 4;
} else if (action == MPATH_PREP) {
memcpy(pos, orig_addr, ETH_ALEN);
pos += ETH_ALEN;
- memcpy(pos, &orig_sn, 4);
+ put_unaligned_le32(orig_sn, pos);
pos += 4;
}
@@ -239,8 +238,8 @@ static void prepare_frame_for_deferred_tx(struct ieee80211_sub_if_data *sdata,
* frame directly but add it to the pending queue instead.
*/
int mesh_path_error_tx(struct ieee80211_sub_if_data *sdata,
- u8 ttl, const u8 *target, __le32 target_sn,
- __le16 target_rcode, const u8 *ra)
+ u8 ttl, const u8 *target, u32 target_sn,
+ u16 target_rcode, const u8 *ra)
{
struct ieee80211_local *local = sdata->local;
struct sk_buff *skb;
@@ -293,9 +292,9 @@ int mesh_path_error_tx(struct ieee80211_sub_if_data *sdata,
pos++;
memcpy(pos, target, ETH_ALEN);
pos += ETH_ALEN;
- memcpy(pos, &target_sn, 4);
+ put_unaligned_le32(target_sn, pos);
pos += 4;
- memcpy(pos, &target_rcode, 2);
+ put_unaligned_le16(target_rcode, pos);
/* see note in function header */
prepare_frame_for_deferred_tx(sdata, skb);
@@ -592,10 +591,9 @@ static void hwmp_preq_frame_process(struct ieee80211_sub_if_data *sdata,
if (ttl != 0) {
mhwmp_dbg(sdata, "replying to the PREQ\n");
mesh_path_sel_frame_tx(MPATH_PREP, 0, orig_addr,
- cpu_to_le32(orig_sn), 0, target_addr,
- cpu_to_le32(target_sn), mgmt->sa, 0, ttl,
- cpu_to_le32(lifetime), cpu_to_le32(metric),
- 0, sdata);
+ orig_sn, 0, target_addr,
+ target_sn, mgmt->sa, 0, ttl,
+ lifetime, metric, 0, sdata);
} else {
ifmsh->mshstats.dropped_frames_ttl++;
}
@@ -625,11 +623,9 @@ static void hwmp_preq_frame_process(struct ieee80211_sub_if_data *sdata,
}
mesh_path_sel_frame_tx(MPATH_PREQ, flags, orig_addr,
- cpu_to_le32(orig_sn), target_flags, target_addr,
- cpu_to_le32(target_sn), da,
- hopcount, ttl, cpu_to_le32(lifetime),
- cpu_to_le32(metric), cpu_to_le32(preq_id),
- sdata);
+ orig_sn, target_flags, target_addr,
+ target_sn, da, hopcount, ttl, lifetime,
+ metric, preq_id, sdata);
if (!is_multicast_ether_addr(da))
ifmsh->mshstats.fwded_unicast++;
else
@@ -695,11 +691,9 @@ static void hwmp_prep_frame_process(struct ieee80211_sub_if_data *sdata,
target_sn = PREP_IE_TARGET_SN(prep_elem);
orig_sn = PREP_IE_ORIG_SN(prep_elem);
- mesh_path_sel_frame_tx(MPATH_PREP, flags, orig_addr,
- cpu_to_le32(orig_sn), 0, target_addr,
- cpu_to_le32(target_sn), next_hop, hopcount,
- ttl, cpu_to_le32(lifetime), cpu_to_le32(metric),
- 0, sdata);
+ mesh_path_sel_frame_tx(MPATH_PREP, flags, orig_addr, orig_sn, 0,
+ target_addr, target_sn, next_hop, hopcount,
+ ttl, lifetime, metric, 0, sdata);
rcu_read_unlock();
sdata->u.mesh.mshstats.fwded_unicast++;
@@ -750,8 +744,7 @@ static void hwmp_perr_frame_process(struct ieee80211_sub_if_data *sdata,
if (!ifmsh->mshcfg.dot11MeshForwarding)
goto endperr;
mesh_path_error_tx(sdata, ttl, target_addr,
- cpu_to_le32(target_sn),
- cpu_to_le16(target_rcode),
+ target_sn, target_rcode,
broadcast_addr);
} else
spin_unlock_bh(&mpath->state_lock);
@@ -847,11 +840,9 @@ 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,
- cpu_to_le32(orig_sn),
- 0, NULL, 0, broadcast_addr,
- hopcount, ttl, cpu_to_le32(interval),
- cpu_to_le32(metric + metric_txsta),
- 0, sdata);
+ orig_sn, 0, NULL, 0, broadcast_addr,
+ hopcount, ttl, interval,
+ metric + metric_txsta, 0, sdata);
}
rcu_read_unlock();
@@ -1049,11 +1040,9 @@ void mesh_path_start_discovery(struct ieee80211_sub_if_data *sdata)
spin_unlock_bh(&mpath->state_lock);
da = (mpath->is_root) ? mpath->rann_snd_addr : broadcast_addr;
- mesh_path_sel_frame_tx(MPATH_PREQ, 0, sdata->vif.addr,
- cpu_to_le32(ifmsh->sn), target_flags, mpath->dst,
- cpu_to_le32(mpath->sn), da, 0,
- ttl, cpu_to_le32(lifetime), 0,
- cpu_to_le32(ifmsh->preq_id++), sdata);
+ 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);
mod_timer(&mpath->timer, jiffies + mpath->discovery_timeout);
enddiscovery:
@@ -1212,10 +1201,9 @@ 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,
- cpu_to_le32(++ifmsh->sn),
- 0, NULL, 0, broadcast_addr,
- 0, ifmsh->mshcfg.element_ttl,
- cpu_to_le32(interval), 0, 0, sdata);
+ ++ifmsh->sn, 0, NULL, 0, broadcast_addr,
+ 0, ifmsh->mshcfg.element_ttl,
+ interval, 0, 0, sdata);
break;
case IEEE80211_PROACTIVE_PREQ_WITH_PREP:
flags |= IEEE80211_PREQ_PROACTIVE_PREP_FLAG;
@@ -1224,11 +1212,10 @@ void mesh_path_tx_root_frame(struct ieee80211_sub_if_data *sdata)
target_flags |= IEEE80211_PREQ_TO_FLAG |
IEEE80211_PREQ_USN_FLAG;
mesh_path_sel_frame_tx(MPATH_PREQ, flags, sdata->vif.addr,
- cpu_to_le32(++ifmsh->sn), target_flags,
- (u8 *) broadcast_addr, 0, broadcast_addr,
- 0, ifmsh->mshcfg.element_ttl,
- cpu_to_le32(interval),
- 0, cpu_to_le32(ifmsh->preq_id++), sdata);
+ ++ifmsh->sn, target_flags,
+ (u8 *) broadcast_addr, 0, broadcast_addr,
+ 0, ifmsh->mshcfg.element_ttl, interval,
+ 0, ifmsh->preq_id++, sdata);
break;
default:
mhwmp_dbg(sdata, "Proactive mechanism not supported\n");
diff --git a/net/mac80211/mesh_pathtbl.c b/net/mac80211/mesh_pathtbl.c
index 89aacfd..7d050ed 100644
--- a/net/mac80211/mesh_pathtbl.c
+++ b/net/mac80211/mesh_pathtbl.c
@@ -722,7 +722,6 @@ void mesh_plink_broken(struct sta_info *sta)
struct mpath_node *node;
struct ieee80211_sub_if_data *sdata = sta->sdata;
int i;
- __le16 reason = cpu_to_le16(WLAN_REASON_MESH_PATH_DEST_UNREACHABLE);
rcu_read_lock();
tbl = rcu_dereference(mesh_paths);
@@ -736,9 +735,9 @@ 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, cpu_to_le32(mpath->sn),
- reason, bcast);
+ sdata->u.mesh.mshcfg.element_ttl,
+ mpath->dst, mpath->sn,
+ WLAN_REASON_MESH_PATH_DEST_UNREACHABLE, bcast);
}
}
rcu_read_unlock();
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index bbd63b9..5638782 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -2081,7 +2081,6 @@ ieee80211_rx_h_mesh_fwding(struct ieee80211_rx_data *rx)
struct ieee80211_sub_if_data *sdata = rx->sdata;
struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(skb);
struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
- __le16 reason = cpu_to_le16(WLAN_REASON_MESH_PATH_NOFORWARD);
u16 q, hdrlen;
hdr = (struct ieee80211_hdr *) skb->data;
@@ -2189,7 +2188,9 @@ ieee80211_rx_h_mesh_fwding(struct ieee80211_rx_data *rx)
} else {
/* unable to resolve next hop */
mesh_path_error_tx(sdata, ifmsh->mshcfg.element_ttl,
- fwd_hdr->addr3, 0, reason, fwd_hdr->addr2);
+ fwd_hdr->addr3, 0,
+ WLAN_REASON_MESH_PATH_NOFORWARD,
+ fwd_hdr->addr2);
IEEE80211_IFSTA_MESH_CTR_INC(ifmsh, dropped_frames_no_route);
kfree_skb(fwd_skb);
return RX_DROP_MONITOR;
--
1.7.9.5
--
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