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Diffstat (limited to 'net/mac80211/mesh.c')
-rw-r--r--net/mac80211/mesh.c171
1 files changed, 165 insertions, 6 deletions
diff --git a/net/mac80211/mesh.c b/net/mac80211/mesh.c
index 5a99b8f6e465..f72333201903 100644
--- a/net/mac80211/mesh.c
+++ b/net/mac80211/mesh.c
@@ -10,6 +10,7 @@
#include <asm/unaligned.h>
#include "ieee80211_i.h"
#include "mesh.h"
+#include "wme.h"
#include "driver-ops.h"
static int mesh_allocated;
@@ -104,7 +105,7 @@ bool mesh_matches_local(struct ieee80211_sub_if_data *sdata,
ieee80211_chandef_vht_oper(&sdata->local->hw, vht_cap_info,
ie->vht_operation, ie->ht_operation,
&sta_chan_def);
- ieee80211_chandef_he_6ghz_oper(sdata, ie->he_operation, NULL,
+ ieee80211_chandef_he_6ghz_oper(sdata, ie->he_operation, ie->eht_operation,
&sta_chan_def);
if (!cfg80211_chandef_compatible(&sdata->vif.bss_conf.chandef,
@@ -638,6 +639,65 @@ int mesh_add_he_6ghz_cap_ie(struct ieee80211_sub_if_data *sdata,
return 0;
}
+int mesh_add_eht_cap_ie(struct ieee80211_sub_if_data *sdata,
+ struct sk_buff *skb, u8 ie_len)
+{
+ const struct ieee80211_sta_he_cap *he_cap;
+ const struct ieee80211_sta_eht_cap *eht_cap;
+ struct ieee80211_supported_band *sband;
+ u8 *pos;
+
+ sband = ieee80211_get_sband(sdata);
+ if (!sband)
+ return -EINVAL;
+
+ he_cap = ieee80211_get_he_iftype_cap(sband, NL80211_IFTYPE_MESH_POINT);
+ eht_cap = ieee80211_get_eht_iftype_cap(sband, NL80211_IFTYPE_MESH_POINT);
+ if (!he_cap || !eht_cap ||
+ sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT ||
+ sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_5 ||
+ sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_10)
+ return 0;
+
+ if (skb_tailroom(skb) < ie_len)
+ return -ENOMEM;
+
+ pos = skb_put(skb, ie_len);
+ ieee80211_ie_build_eht_cap(pos, he_cap, eht_cap, pos + ie_len, false);
+
+ return 0;
+}
+
+int mesh_add_eht_oper_ie(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb)
+{
+ const struct ieee80211_sta_eht_cap *eht_cap;
+ struct ieee80211_supported_band *sband;
+ u32 len;
+ u8 *pos;
+
+ sband = ieee80211_get_sband(sdata);
+ if (!sband)
+ return -EINVAL;
+
+ eht_cap = ieee80211_get_eht_iftype_cap(sband, NL80211_IFTYPE_MESH_POINT);
+ if (!eht_cap ||
+ sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT ||
+ sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_5 ||
+ sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_10)
+ return 0;
+
+ len = 2 + 1 + offsetof(struct ieee80211_eht_operation, optional) +
+ offsetof(struct ieee80211_eht_operation_info, optional);
+
+ if (skb_tailroom(skb) < len)
+ return -ENOMEM;
+
+ pos = skb_put(skb, len);
+ ieee80211_ie_build_eht_oper(pos, &sdata->vif.bss_conf.chandef, eht_cap);
+
+ return 0;
+}
+
static void ieee80211_mesh_path_timer(struct timer_list *t)
{
struct ieee80211_sub_if_data *sdata =
@@ -696,6 +756,98 @@ ieee80211_mesh_update_bss_params(struct ieee80211_sub_if_data *sdata,
if (he_oper)
sdata->vif.bss_conf.he_oper.params =
__le32_to_cpu(he_oper->he_oper_params);
+
+ sdata->vif.bss_conf.eht_support =
+ !!ieee80211_get_eht_iftype_cap(sband, NL80211_IFTYPE_MESH_POINT);
+}
+
+bool ieee80211_mesh_xmit_fast(struct ieee80211_sub_if_data *sdata,
+ struct sk_buff *skb, u32 ctrl_flags)
+{
+ struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
+ struct ieee80211_mesh_fast_tx *entry;
+ struct ieee80211s_hdr *meshhdr;
+ u8 sa[ETH_ALEN] __aligned(2);
+ struct tid_ampdu_tx *tid_tx;
+ struct sta_info *sta;
+ bool copy_sa = false;
+ u16 ethertype;
+ u8 tid;
+
+ if (ctrl_flags & IEEE80211_TX_CTRL_SKIP_MPATH_LOOKUP)
+ return false;
+
+ if (ifmsh->mshcfg.dot11MeshNolearn)
+ return false;
+
+ /* Add support for these cases later */
+ if (ifmsh->ps_peers_light_sleep || ifmsh->ps_peers_deep_sleep)
+ return false;
+
+ if (is_multicast_ether_addr(skb->data))
+ return false;
+
+ ethertype = (skb->data[12] << 8) | skb->data[13];
+ if (ethertype < ETH_P_802_3_MIN)
+ return false;
+
+ if (skb->sk && skb_shinfo(skb)->tx_flags & SKBTX_WIFI_STATUS)
+ return false;
+
+ if (skb->ip_summed == CHECKSUM_PARTIAL) {
+ skb_set_transport_header(skb, skb_checksum_start_offset(skb));
+ if (skb_checksum_help(skb))
+ return false;
+ }
+
+ entry = mesh_fast_tx_get(sdata, skb->data);
+ if (!entry)
+ return false;
+
+ if (skb_headroom(skb) < entry->hdrlen + entry->fast_tx.hdr_len)
+ return false;
+
+ sta = rcu_dereference(entry->mpath->next_hop);
+ if (!sta)
+ return false;
+
+ tid = skb->priority & IEEE80211_QOS_CTL_TAG1D_MASK;
+ tid_tx = rcu_dereference(sta->ampdu_mlme.tid_tx[tid]);
+ if (tid_tx) {
+ if (!test_bit(HT_AGG_STATE_OPERATIONAL, &tid_tx->state))
+ return false;
+ if (tid_tx->timeout)
+ tid_tx->last_tx = jiffies;
+ }
+
+ skb = skb_share_check(skb, GFP_ATOMIC);
+ if (!skb)
+ return true;
+
+ skb_set_queue_mapping(skb, ieee80211_select_queue(sdata, sta, skb));
+
+ meshhdr = (struct ieee80211s_hdr *)entry->hdr;
+ if ((meshhdr->flags & MESH_FLAGS_AE) == MESH_FLAGS_AE_A5_A6) {
+ /* preserve SA from eth header for 6-addr frames */
+ ether_addr_copy(sa, skb->data + ETH_ALEN);
+ copy_sa = true;
+ }
+
+ memcpy(skb_push(skb, entry->hdrlen - 2 * ETH_ALEN), entry->hdr,
+ entry->hdrlen);
+
+ meshhdr = (struct ieee80211s_hdr *)skb->data;
+ put_unaligned_le32(atomic_inc_return(&sdata->u.mesh.mesh_seqnum),
+ &meshhdr->seqnum);
+ meshhdr->ttl = sdata->u.mesh.mshcfg.dot11MeshTTL;
+ if (copy_sa)
+ ether_addr_copy(meshhdr->eaddr2, sa);
+
+ skb_push(skb, 2 * ETH_ALEN);
+ __ieee80211_xmit_fast(sdata, sta, &entry->fast_tx, skb, tid_tx,
+ entry->mpath->dst, sdata->vif.addr);
+
+ return true;
}
/**
@@ -752,10 +904,8 @@ unsigned int ieee80211_new_mesh_header(struct ieee80211_sub_if_data *sdata,
meshhdr->ttl = sdata->u.mesh.mshcfg.dot11MeshTTL;
- /* FIXME: racy -- TX on multiple queues can be concurrent */
- put_unaligned(cpu_to_le32(sdata->u.mesh.mesh_seqnum), &meshhdr->seqnum);
- sdata->u.mesh.mesh_seqnum++;
-
+ put_unaligned_le32(atomic_inc_return(&sdata->u.mesh.mesh_seqnum),
+ &meshhdr->seqnum);
if (addr4or5 && !addr6) {
meshhdr->flags |= MESH_FLAGS_AE_A4;
memcpy(meshhdr->eaddr1, addr4or5, ETH_ALEN);
@@ -782,6 +932,8 @@ static void ieee80211_mesh_housekeeping(struct ieee80211_sub_if_data *sdata)
changed = mesh_accept_plinks_update(sdata);
ieee80211_mbss_info_change_notify(sdata, changed);
+ mesh_fast_tx_gc(sdata);
+
mod_timer(&ifmsh->housekeeping_timer,
round_jiffies(jiffies +
IEEE80211_MESH_HOUSEKEEPING_INTERVAL));
@@ -813,7 +965,7 @@ ieee80211_mesh_build_beacon(struct ieee80211_if_mesh *ifmsh)
struct ieee80211_chanctx_conf *chanctx_conf;
struct mesh_csa_settings *csa;
enum nl80211_band band;
- u8 ie_len_he_cap;
+ u8 ie_len_he_cap, ie_len_eht_cap;
u8 *pos;
struct ieee80211_sub_if_data *sdata;
int hdr_len = offsetofend(struct ieee80211_mgmt, u.beacon);
@@ -826,6 +978,8 @@ ieee80211_mesh_build_beacon(struct ieee80211_if_mesh *ifmsh)
ie_len_he_cap = ieee80211_ie_len_he_cap(sdata,
NL80211_IFTYPE_MESH_POINT);
+ ie_len_eht_cap = ieee80211_ie_len_eht_cap(sdata,
+ NL80211_IFTYPE_MESH_POINT);
head_len = hdr_len +
2 + /* NULL SSID */
/* Channel Switch Announcement */
@@ -849,6 +1003,9 @@ ieee80211_mesh_build_beacon(struct ieee80211_if_mesh *ifmsh)
2 + 1 + sizeof(struct ieee80211_he_operation) +
sizeof(struct ieee80211_he_6ghz_oper) +
2 + 1 + sizeof(struct ieee80211_he_6ghz_capa) +
+ ie_len_eht_cap +
+ 2 + 1 + offsetof(struct ieee80211_eht_operation, optional) +
+ offsetof(struct ieee80211_eht_operation_info, optional) +
ifmsh->ie_len;
bcn = kzalloc(sizeof(*bcn) + head_len + tail_len, GFP_KERNEL);
@@ -969,6 +1126,8 @@ ieee80211_mesh_build_beacon(struct ieee80211_if_mesh *ifmsh)
mesh_add_he_cap_ie(sdata, skb, ie_len_he_cap) ||
mesh_add_he_oper_ie(sdata, skb) ||
mesh_add_he_6ghz_cap_ie(sdata, skb) ||
+ mesh_add_eht_cap_ie(sdata, skb, ie_len_eht_cap) ||
+ mesh_add_eht_oper_ie(sdata, skb) ||
mesh_add_vendor_ies(sdata, skb))
goto out_free;
generated by cgit v1.2.3-58-ga151 (git 2.39.0) at 2024-11-28 14:42:46 +0000