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-rw-r--r--net/batman-adv/distributed-arp-table.c4
-rw-r--r--net/core/filter.c20
-rw-r--r--net/core/skmsg.c2
-rw-r--r--net/core/sock_map.c7
-rw-r--r--net/dsa/tag_gswip.c2
-rw-r--r--net/dsa/tag_qca.c3
-rw-r--r--net/ipv4/tcp_bpf.c17
-rw-r--r--net/ipv4/tcp_input.c7
-rw-r--r--net/ipv4/tcp_ulp.c6
-rw-r--r--net/mac80211/cfg.c23
-rw-r--r--net/mac80211/mesh_hwmp.c3
-rw-r--r--net/mac80211/tkip.c18
-rw-r--r--net/tls/tls_main.c10
-rw-r--r--net/tls/tls_sw.c31
-rw-r--r--net/vmw_vsock/hyperv_transport.c65
-rw-r--r--net/wireless/nl80211.c3
-rw-r--r--net/wireless/rdev-ops.h14
-rw-r--r--net/wireless/reg.c36
-rw-r--r--net/wireless/sme.c6
-rw-r--r--net/wireless/trace.h5
-rw-r--r--net/wireless/util.c2
-rw-r--r--net/wireless/wext-core.c3
22 files changed, 178 insertions, 109 deletions
diff --git a/net/batman-adv/distributed-arp-table.c b/net/batman-adv/distributed-arp-table.c
index b0af3a11d406..ec7bf5a4a9fc 100644
--- a/net/batman-adv/distributed-arp-table.c
+++ b/net/batman-adv/distributed-arp-table.c
@@ -285,6 +285,7 @@ static u32 batadv_hash_dat(const void *data, u32 size)
u32 hash = 0;
const struct batadv_dat_entry *dat = data;
const unsigned char *key;
+ __be16 vid;
u32 i;
key = (const unsigned char *)&dat->ip;
@@ -294,7 +295,8 @@ static u32 batadv_hash_dat(const void *data, u32 size)
hash ^= (hash >> 6);
}
- key = (const unsigned char *)&dat->vid;
+ vid = htons(dat->vid);
+ key = (__force const unsigned char *)&vid;
for (i = 0; i < sizeof(dat->vid); i++) {
hash += key[i];
hash += (hash << 10);
diff --git a/net/core/filter.c b/net/core/filter.c
index 28b3c258188c..538f6a735a19 100644
--- a/net/core/filter.c
+++ b/net/core/filter.c
@@ -2231,10 +2231,10 @@ BPF_CALL_4(bpf_msg_pull_data, struct sk_msg *, msg, u32, start,
/* First find the starting scatterlist element */
i = msg->sg.start;
do {
+ offset += len;
len = sk_msg_elem(msg, i)->length;
if (start < offset + len)
break;
- offset += len;
sk_msg_iter_var_next(i);
} while (i != msg->sg.end);
@@ -2346,7 +2346,7 @@ BPF_CALL_4(bpf_msg_push_data, struct sk_msg *, msg, u32, start,
u32, len, u64, flags)
{
struct scatterlist sge, nsge, nnsge, rsge = {0}, *psge;
- u32 new, i = 0, l, space, copy = 0, offset = 0;
+ u32 new, i = 0, l = 0, space, copy = 0, offset = 0;
u8 *raw, *to, *from;
struct page *page;
@@ -2356,11 +2356,11 @@ BPF_CALL_4(bpf_msg_push_data, struct sk_msg *, msg, u32, start,
/* First find the starting scatterlist element */
i = msg->sg.start;
do {
+ offset += l;
l = sk_msg_elem(msg, i)->length;
if (start < offset + l)
break;
- offset += l;
sk_msg_iter_var_next(i);
} while (i != msg->sg.end);
@@ -2415,6 +2415,7 @@ BPF_CALL_4(bpf_msg_push_data, struct sk_msg *, msg, u32, start,
sk_msg_iter_var_next(i);
sg_unmark_end(psge);
+ sg_unmark_end(&rsge);
sk_msg_iter_next(msg, end);
}
@@ -2506,7 +2507,7 @@ static void sk_msg_shift_right(struct sk_msg *msg, int i)
BPF_CALL_4(bpf_msg_pop_data, struct sk_msg *, msg, u32, start,
u32, len, u64, flags)
{
- u32 i = 0, l, space, offset = 0;
+ u32 i = 0, l = 0, space, offset = 0;
u64 last = start + len;
int pop;
@@ -2516,11 +2517,11 @@ BPF_CALL_4(bpf_msg_pop_data, struct sk_msg *, msg, u32, start,
/* First find the starting scatterlist element */
i = msg->sg.start;
do {
+ offset += l;
l = sk_msg_elem(msg, i)->length;
if (start < offset + l)
break;
- offset += l;
sk_msg_iter_var_next(i);
} while (i != msg->sg.end);
@@ -5318,8 +5319,7 @@ __bpf_sk_lookup(struct sk_buff *skb, struct bpf_sock_tuple *tuple, u32 len,
if (sk) {
sk = sk_to_full_sk(sk);
if (!sk_fullsock(sk)) {
- if (!sock_flag(sk, SOCK_RCU_FREE))
- sock_gen_put(sk);
+ sock_gen_put(sk);
return NULL;
}
}
@@ -5356,8 +5356,7 @@ bpf_sk_lookup(struct sk_buff *skb, struct bpf_sock_tuple *tuple, u32 len,
if (sk) {
sk = sk_to_full_sk(sk);
if (!sk_fullsock(sk)) {
- if (!sock_flag(sk, SOCK_RCU_FREE))
- sock_gen_put(sk);
+ sock_gen_put(sk);
return NULL;
}
}
@@ -5424,7 +5423,8 @@ static const struct bpf_func_proto bpf_sk_lookup_udp_proto = {
BPF_CALL_1(bpf_sk_release, struct sock *, sk)
{
- if (!sock_flag(sk, SOCK_RCU_FREE))
+ /* Only full sockets have sk->sk_flags. */
+ if (!sk_fullsock(sk) || !sock_flag(sk, SOCK_RCU_FREE))
sock_gen_put(sk);
return 0;
}
diff --git a/net/core/skmsg.c b/net/core/skmsg.c
index ded2d5227678..3866d7e20c07 100644
--- a/net/core/skmsg.c
+++ b/net/core/skmsg.c
@@ -594,6 +594,8 @@ EXPORT_SYMBOL_GPL(sk_psock_destroy);
void sk_psock_drop(struct sock *sk, struct sk_psock *psock)
{
+ sock_owned_by_me(sk);
+
sk_psock_cork_free(psock);
sk_psock_zap_ingress(psock);
diff --git a/net/core/sock_map.c b/net/core/sock_map.c
index eb114ee419b6..8998e356f423 100644
--- a/net/core/sock_map.c
+++ b/net/core/sock_map.c
@@ -241,8 +241,11 @@ static void sock_map_free(struct bpf_map *map)
struct sock *sk;
sk = xchg(psk, NULL);
- if (sk)
+ if (sk) {
+ lock_sock(sk);
sock_map_unref(sk, psk);
+ release_sock(sk);
+ }
}
raw_spin_unlock_bh(&stab->lock);
rcu_read_unlock();
@@ -862,7 +865,9 @@ static void sock_hash_free(struct bpf_map *map)
raw_spin_lock_bh(&bucket->lock);
hlist_for_each_entry_safe(elem, node, &bucket->head, node) {
hlist_del_rcu(&elem->node);
+ lock_sock(elem->sk);
sock_map_unref(elem->sk, elem);
+ release_sock(elem->sk);
}
raw_spin_unlock_bh(&bucket->lock);
}
diff --git a/net/dsa/tag_gswip.c b/net/dsa/tag_gswip.c
index b678160bbd66..408d4af390a0 100644
--- a/net/dsa/tag_gswip.c
+++ b/net/dsa/tag_gswip.c
@@ -104,7 +104,7 @@ static struct sk_buff *gswip_tag_rcv(struct sk_buff *skb,
}
static const struct dsa_device_ops gswip_netdev_ops = {
- .name = "gwsip",
+ .name = "gswip",
.proto = DSA_TAG_PROTO_GSWIP,
.xmit = gswip_tag_xmit,
.rcv = gswip_tag_rcv,
diff --git a/net/dsa/tag_qca.c b/net/dsa/tag_qca.c
index c95885215525..c8a128c9e5e0 100644
--- a/net/dsa/tag_qca.c
+++ b/net/dsa/tag_qca.c
@@ -33,9 +33,6 @@ static struct sk_buff *qca_tag_xmit(struct sk_buff *skb, struct net_device *dev)
struct dsa_port *dp = dsa_slave_to_port(dev);
u16 *phdr, hdr;
- dev->stats.tx_packets++;
- dev->stats.tx_bytes += skb->len;
-
if (skb_cow_head(skb, 0) < 0)
return NULL;
diff --git a/net/ipv4/tcp_bpf.c b/net/ipv4/tcp_bpf.c
index e38705165ac9..8a01428f80c1 100644
--- a/net/ipv4/tcp_bpf.c
+++ b/net/ipv4/tcp_bpf.c
@@ -121,14 +121,14 @@ int tcp_bpf_recvmsg(struct sock *sk, struct msghdr *msg, size_t len,
struct sk_psock *psock;
int copied, ret;
- if (unlikely(flags & MSG_ERRQUEUE))
- return inet_recv_error(sk, msg, len, addr_len);
- if (!skb_queue_empty(&sk->sk_receive_queue))
- return tcp_recvmsg(sk, msg, len, nonblock, flags, addr_len);
-
psock = sk_psock_get(sk);
if (unlikely(!psock))
return tcp_recvmsg(sk, msg, len, nonblock, flags, addr_len);
+ if (unlikely(flags & MSG_ERRQUEUE))
+ return inet_recv_error(sk, msg, len, addr_len);
+ if (!skb_queue_empty(&sk->sk_receive_queue) &&
+ sk_psock_queue_empty(psock))
+ return tcp_recvmsg(sk, msg, len, nonblock, flags, addr_len);
lock_sock(sk);
msg_bytes_ready:
copied = __tcp_bpf_recvmsg(sk, psock, msg, len, flags);
@@ -139,7 +139,7 @@ msg_bytes_ready:
timeo = sock_rcvtimeo(sk, nonblock);
data = tcp_bpf_wait_data(sk, psock, flags, timeo, &err);
if (data) {
- if (skb_queue_empty(&sk->sk_receive_queue))
+ if (!sk_psock_queue_empty(psock))
goto msg_bytes_ready;
release_sock(sk);
sk_psock_put(sk, psock);
@@ -315,10 +315,7 @@ more_data:
*/
delta = msg->sg.size;
psock->eval = sk_psock_msg_verdict(sk, psock, msg);
- if (msg->sg.size < delta)
- delta -= msg->sg.size;
- else
- delta = 0;
+ delta -= msg->sg.size;
}
if (msg->cork_bytes &&
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index 0238b554a1f0..5347ab2c9c58 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -915,9 +915,10 @@ static void tcp_check_sack_reordering(struct sock *sk, const u32 low_seq,
/* This must be called before lost_out is incremented */
static void tcp_verify_retransmit_hint(struct tcp_sock *tp, struct sk_buff *skb)
{
- if (!tp->retransmit_skb_hint ||
- before(TCP_SKB_CB(skb)->seq,
- TCP_SKB_CB(tp->retransmit_skb_hint)->seq))
+ if ((!tp->retransmit_skb_hint && tp->retrans_out >= tp->lost_out) ||
+ (tp->retransmit_skb_hint &&
+ before(TCP_SKB_CB(skb)->seq,
+ TCP_SKB_CB(tp->retransmit_skb_hint)->seq)))
tp->retransmit_skb_hint = skb;
}
diff --git a/net/ipv4/tcp_ulp.c b/net/ipv4/tcp_ulp.c
index 12ab5db2b71c..38d3ad141161 100644
--- a/net/ipv4/tcp_ulp.c
+++ b/net/ipv4/tcp_ulp.c
@@ -99,17 +99,19 @@ void tcp_get_available_ulp(char *buf, size_t maxlen)
rcu_read_unlock();
}
-void tcp_update_ulp(struct sock *sk, struct proto *proto)
+void tcp_update_ulp(struct sock *sk, struct proto *proto,
+ void (*write_space)(struct sock *sk))
{
struct inet_connection_sock *icsk = inet_csk(sk);
if (!icsk->icsk_ulp_ops) {
+ sk->sk_write_space = write_space;
sk->sk_prot = proto;
return;
}
if (icsk->icsk_ulp_ops->update)
- icsk->icsk_ulp_ops->update(sk, proto);
+ icsk->icsk_ulp_ops->update(sk, proto, write_space);
}
void tcp_cleanup_ulp(struct sock *sk)
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index 4fb7f1f12109..000c742d0527 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -2954,6 +2954,28 @@ static int ieee80211_start_radar_detection(struct wiphy *wiphy,
return err;
}
+static void ieee80211_end_cac(struct wiphy *wiphy,
+ struct net_device *dev)
+{
+ struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+ struct ieee80211_local *local = sdata->local;
+
+ mutex_lock(&local->mtx);
+ list_for_each_entry(sdata, &local->interfaces, list) {
+ /* it might be waiting for the local->mtx, but then
+ * by the time it gets it, sdata->wdev.cac_started
+ * will no longer be true
+ */
+ cancel_delayed_work(&sdata->dfs_cac_timer_work);
+
+ if (sdata->wdev.cac_started) {
+ ieee80211_vif_release_channel(sdata);
+ sdata->wdev.cac_started = false;
+ }
+ }
+ mutex_unlock(&local->mtx);
+}
+
static struct cfg80211_beacon_data *
cfg80211_beacon_dup(struct cfg80211_beacon_data *beacon)
{
@@ -4023,6 +4045,7 @@ const struct cfg80211_ops mac80211_config_ops = {
#endif
.get_channel = ieee80211_cfg_get_channel,
.start_radar_detection = ieee80211_start_radar_detection,
+ .end_cac = ieee80211_end_cac,
.channel_switch = ieee80211_channel_switch,
.set_qos_map = ieee80211_set_qos_map,
.set_ap_chanwidth = ieee80211_set_ap_chanwidth,
diff --git a/net/mac80211/mesh_hwmp.c b/net/mac80211/mesh_hwmp.c
index 68af62306385..d69983370381 100644
--- a/net/mac80211/mesh_hwmp.c
+++ b/net/mac80211/mesh_hwmp.c
@@ -328,6 +328,9 @@ u32 airtime_link_metric_get(struct ieee80211_local *local,
unsigned long fail_avg =
ewma_mesh_fail_avg_read(&sta->mesh->fail_avg);
+ if (sta->mesh->plink_state != NL80211_PLINK_ESTAB)
+ return MAX_METRIC;
+
/* Try to get rate based on HW/SW RC algorithm.
* Rate is returned in units of Kbps, correct this
* to comply with airtime calculation units
diff --git a/net/mac80211/tkip.c b/net/mac80211/tkip.c
index 727dc9f3f3b3..e7f57bb18f6e 100644
--- a/net/mac80211/tkip.c
+++ b/net/mac80211/tkip.c
@@ -263,9 +263,21 @@ int ieee80211_tkip_decrypt_data(struct arc4_ctx *ctx,
if ((keyid >> 6) != key->conf.keyidx)
return TKIP_DECRYPT_INVALID_KEYIDX;
- if (rx_ctx->ctx.state != TKIP_STATE_NOT_INIT &&
- (iv32 < rx_ctx->iv32 ||
- (iv32 == rx_ctx->iv32 && iv16 <= rx_ctx->iv16)))
+ /* Reject replays if the received TSC is smaller than or equal to the
+ * last received value in a valid message, but with an exception for
+ * the case where a new key has been set and no valid frame using that
+ * key has yet received and the local RSC was initialized to 0. This
+ * exception allows the very first frame sent by the transmitter to be
+ * accepted even if that transmitter were to use TSC 0 (IEEE 802.11
+ * described TSC to be initialized to 1 whenever a new key is taken into
+ * use).
+ */
+ if (iv32 < rx_ctx->iv32 ||
+ (iv32 == rx_ctx->iv32 &&
+ (iv16 < rx_ctx->iv16 ||
+ (iv16 == rx_ctx->iv16 &&
+ (rx_ctx->iv32 || rx_ctx->iv16 ||
+ rx_ctx->ctx.state != TKIP_STATE_NOT_INIT)))))
return TKIP_DECRYPT_REPLAY;
if (only_iv) {
diff --git a/net/tls/tls_main.c b/net/tls/tls_main.c
index dac24c7aa7d4..94774c0e5ff3 100644
--- a/net/tls/tls_main.c
+++ b/net/tls/tls_main.c
@@ -732,15 +732,19 @@ out:
return rc;
}
-static void tls_update(struct sock *sk, struct proto *p)
+static void tls_update(struct sock *sk, struct proto *p,
+ void (*write_space)(struct sock *sk))
{
struct tls_context *ctx;
ctx = tls_get_ctx(sk);
- if (likely(ctx))
+ if (likely(ctx)) {
+ ctx->sk_write_space = write_space;
ctx->sk_proto = p;
- else
+ } else {
sk->sk_prot = p;
+ sk->sk_write_space = write_space;
+ }
}
static int tls_get_info(const struct sock *sk, struct sk_buff *skb)
diff --git a/net/tls/tls_sw.c b/net/tls/tls_sw.c
index 5c7c00429f8e..c98e602a1a2d 100644
--- a/net/tls/tls_sw.c
+++ b/net/tls/tls_sw.c
@@ -680,12 +680,32 @@ static int tls_push_record(struct sock *sk, int flags,
split_point = msg_pl->apply_bytes;
split = split_point && split_point < msg_pl->sg.size;
+ if (unlikely((!split &&
+ msg_pl->sg.size +
+ prot->overhead_size > msg_en->sg.size) ||
+ (split &&
+ split_point +
+ prot->overhead_size > msg_en->sg.size))) {
+ split = true;
+ split_point = msg_en->sg.size;
+ }
if (split) {
rc = tls_split_open_record(sk, rec, &tmp, msg_pl, msg_en,
split_point, prot->overhead_size,
&orig_end);
if (rc < 0)
return rc;
+ /* This can happen if above tls_split_open_record allocates
+ * a single large encryption buffer instead of two smaller
+ * ones. In this case adjust pointers and continue without
+ * split.
+ */
+ if (!msg_pl->sg.size) {
+ tls_merge_open_record(sk, rec, tmp, orig_end);
+ msg_pl = &rec->msg_plaintext;
+ msg_en = &rec->msg_encrypted;
+ split = false;
+ }
sk_msg_trim(sk, msg_en, msg_pl->sg.size +
prot->overhead_size);
}
@@ -707,6 +727,12 @@ static int tls_push_record(struct sock *sk, int flags,
sg_mark_end(sk_msg_elem(msg_pl, i));
}
+ if (msg_pl->sg.end < msg_pl->sg.start) {
+ sg_chain(&msg_pl->sg.data[msg_pl->sg.start],
+ MAX_SKB_FRAGS - msg_pl->sg.start + 1,
+ msg_pl->sg.data);
+ }
+
i = msg_pl->sg.start;
sg_chain(rec->sg_aead_in, 2, &msg_pl->sg.data[i]);
@@ -781,10 +807,7 @@ more_data:
if (psock->eval == __SK_NONE) {
delta = msg->sg.size;
psock->eval = sk_psock_msg_verdict(sk, psock, msg);
- if (delta < msg->sg.size)
- delta -= msg->sg.size;
- else
- delta = 0;
+ delta -= msg->sg.size;
}
if (msg->cork_bytes && msg->cork_bytes > msg->sg.size &&
!enospc && !full_record) {
diff --git a/net/vmw_vsock/hyperv_transport.c b/net/vmw_vsock/hyperv_transport.c
index b3bdae74c243..3492c021925f 100644
--- a/net/vmw_vsock/hyperv_transport.c
+++ b/net/vmw_vsock/hyperv_transport.c
@@ -138,28 +138,15 @@ struct hvsock {
****************************************************************************
* The only valid Service GUIDs, from the perspectives of both the host and *
* Linux VM, that can be connected by the other end, must conform to this *
- * format: <port>-facb-11e6-bd58-64006a7986d3, and the "port" must be in *
- * this range [0, 0x7FFFFFFF]. *
+ * format: <port>-facb-11e6-bd58-64006a7986d3. *
****************************************************************************
*
* When we write apps on the host to connect(), the GUID ServiceID is used.
* When we write apps in Linux VM to connect(), we only need to specify the
* port and the driver will form the GUID and use that to request the host.
*
- * From the perspective of Linux VM:
- * 1. the local ephemeral port (i.e. the local auto-bound port when we call
- * connect() without explicit bind()) is generated by __vsock_bind_stream(),
- * and the range is [1024, 0xFFFFFFFF).
- * 2. the remote ephemeral port (i.e. the auto-generated remote port for
- * a connect request initiated by the host's connect()) is generated by
- * hvs_remote_addr_init() and the range is [0x80000000, 0xFFFFFFFF).
*/
-#define MAX_LISTEN_PORT ((u32)0x7FFFFFFF)
-#define MAX_VM_LISTEN_PORT MAX_LISTEN_PORT
-#define MAX_HOST_LISTEN_PORT MAX_LISTEN_PORT
-#define MIN_HOST_EPHEMERAL_PORT (MAX_HOST_LISTEN_PORT + 1)
-
/* 00000000-facb-11e6-bd58-64006a7986d3 */
static const guid_t srv_id_template =
GUID_INIT(0x00000000, 0xfacb, 0x11e6, 0xbd, 0x58,
@@ -184,34 +171,6 @@ static void hvs_addr_init(struct sockaddr_vm *addr, const guid_t *svr_id)
vsock_addr_init(addr, VMADDR_CID_ANY, port);
}
-static void hvs_remote_addr_init(struct sockaddr_vm *remote,
- struct sockaddr_vm *local)
-{
- static u32 host_ephemeral_port = MIN_HOST_EPHEMERAL_PORT;
- struct sock *sk;
-
- /* Remote peer is always the host */
- vsock_addr_init(remote, VMADDR_CID_HOST, VMADDR_PORT_ANY);
-
- while (1) {
- /* Wrap around ? */
- if (host_ephemeral_port < MIN_HOST_EPHEMERAL_PORT ||
- host_ephemeral_port == VMADDR_PORT_ANY)
- host_ephemeral_port = MIN_HOST_EPHEMERAL_PORT;
-
- remote->svm_port = host_ephemeral_port++;
-
- sk = vsock_find_connected_socket(remote, local);
- if (!sk) {
- /* Found an available ephemeral port */
- return;
- }
-
- /* Release refcnt got in vsock_find_connected_socket */
- sock_put(sk);
- }
-}
-
static void hvs_set_channel_pending_send_size(struct vmbus_channel *chan)
{
set_channel_pending_send_size(chan,
@@ -341,12 +300,7 @@ static void hvs_open_connection(struct vmbus_channel *chan)
if_type = &chan->offermsg.offer.if_type;
if_instance = &chan->offermsg.offer.if_instance;
conn_from_host = chan->offermsg.offer.u.pipe.user_def[0];
-
- /* The host or the VM should only listen on a port in
- * [0, MAX_LISTEN_PORT]
- */
- if (!is_valid_srv_id(if_type) ||
- get_port_by_srv_id(if_type) > MAX_LISTEN_PORT)
+ if (!is_valid_srv_id(if_type))
return;
hvs_addr_init(&addr, conn_from_host ? if_type : if_instance);
@@ -371,8 +325,11 @@ static void hvs_open_connection(struct vmbus_channel *chan)
vnew = vsock_sk(new);
hvs_addr_init(&vnew->local_addr, if_type);
- hvs_remote_addr_init(&vnew->remote_addr, &vnew->local_addr);
+ /* Remote peer is always the host */
+ vsock_addr_init(&vnew->remote_addr,
+ VMADDR_CID_HOST, VMADDR_PORT_ANY);
+ vnew->remote_addr.svm_port = get_port_by_srv_id(if_instance);
ret = vsock_assign_transport(vnew, vsock_sk(sk));
/* Transport assigned (looking at remote_addr) must be the
* same where we received the request.
@@ -766,16 +723,6 @@ static bool hvs_stream_is_active(struct vsock_sock *vsk)
static bool hvs_stream_allow(u32 cid, u32 port)
{
- /* The host's port range [MIN_HOST_EPHEMERAL_PORT, 0xFFFFFFFF) is
- * reserved as ephemeral ports, which are used as the host's ports
- * when the host initiates connections.
- *
- * Perform this check in the guest so an immediate error is produced
- * instead of a timeout.
- */
- if (port > MAX_HOST_LISTEN_PORT)
- return false;
-
if (cid == VMADDR_CID_HOST)
return true;
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index da5262b2298b..1e97ac5435b2 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -10843,6 +10843,7 @@ static int cfg80211_cqm_rssi_update(struct cfg80211_registered_device *rdev,
if (err)
return err;
+ cfg80211_sinfo_release_content(&sinfo);
if (sinfo.filled & BIT_ULL(NL80211_STA_INFO_BEACON_SIGNAL_AVG))
wdev->cqm_config->last_rssi_event_value =
(s8) sinfo.rx_beacon_signal_avg;
@@ -13796,6 +13797,8 @@ static int nl80211_probe_mesh_link(struct sk_buff *skb, struct genl_info *info)
if (err)
return err;
+ cfg80211_sinfo_release_content(&sinfo);
+
return rdev_probe_mesh_link(rdev, dev, dest, buf, len);
}
diff --git a/net/wireless/rdev-ops.h b/net/wireless/rdev-ops.h
index e853a4fe6f97..e0d34f796d0b 100644
--- a/net/wireless/rdev-ops.h
+++ b/net/wireless/rdev-ops.h
@@ -538,6 +538,10 @@ static inline int
rdev_set_wiphy_params(struct cfg80211_registered_device *rdev, u32 changed)
{
int ret;
+
+ if (!rdev->ops->set_wiphy_params)
+ return -EOPNOTSUPP;
+
trace_rdev_set_wiphy_params(&rdev->wiphy, changed);
ret = rdev->ops->set_wiphy_params(&rdev->wiphy, changed);
trace_rdev_return_int(&rdev->wiphy, ret);
@@ -1167,6 +1171,16 @@ rdev_start_radar_detection(struct cfg80211_registered_device *rdev,
return ret;
}
+static inline void
+rdev_end_cac(struct cfg80211_registered_device *rdev,
+ struct net_device *dev)
+{
+ trace_rdev_end_cac(&rdev->wiphy, dev);
+ if (rdev->ops->end_cac)
+ rdev->ops->end_cac(&rdev->wiphy, dev);
+ trace_rdev_return_void(&rdev->wiphy);
+}
+
static inline int
rdev_set_mcast_rate(struct cfg80211_registered_device *rdev,
struct net_device *dev,
diff --git a/net/wireless/reg.c b/net/wireless/reg.c
index 446c76d44e65..fff9a74891fc 100644
--- a/net/wireless/reg.c
+++ b/net/wireless/reg.c
@@ -2261,14 +2261,15 @@ static void update_all_wiphy_regulatory(enum nl80211_reg_initiator initiator)
static void handle_channel_custom(struct wiphy *wiphy,
struct ieee80211_channel *chan,
- const struct ieee80211_regdomain *regd)
+ const struct ieee80211_regdomain *regd,
+ u32 min_bw)
{
u32 bw_flags = 0;
const struct ieee80211_reg_rule *reg_rule = NULL;
const struct ieee80211_power_rule *power_rule = NULL;
u32 bw;
- for (bw = MHZ_TO_KHZ(20); bw >= MHZ_TO_KHZ(5); bw = bw / 2) {
+ for (bw = MHZ_TO_KHZ(20); bw >= min_bw; bw = bw / 2) {
reg_rule = freq_reg_info_regd(MHZ_TO_KHZ(chan->center_freq),
regd, bw);
if (!IS_ERR(reg_rule))
@@ -2324,8 +2325,14 @@ static void handle_band_custom(struct wiphy *wiphy,
if (!sband)
return;
+ /*
+ * We currently assume that you always want at least 20 MHz,
+ * otherwise channel 12 might get enabled if this rule is
+ * compatible to US, which permits 2402 - 2472 MHz.
+ */
for (i = 0; i < sband->n_channels; i++)
- handle_channel_custom(wiphy, &sband->channels[i], regd);
+ handle_channel_custom(wiphy, &sband->channels[i], regd,
+ MHZ_TO_KHZ(20));
}
/* Used by drivers prior to wiphy registration */
@@ -3885,6 +3892,25 @@ bool regulatory_pre_cac_allowed(struct wiphy *wiphy)
}
EXPORT_SYMBOL(regulatory_pre_cac_allowed);
+static void cfg80211_check_and_end_cac(struct cfg80211_registered_device *rdev)
+{
+ struct wireless_dev *wdev;
+ /* If we finished CAC or received radar, we should end any
+ * CAC running on the same channels.
+ * the check !cfg80211_chandef_dfs_usable contain 2 options:
+ * either all channels are available - those the CAC_FINISHED
+ * event has effected another wdev state, or there is a channel
+ * in unavailable state in wdev chandef - those the RADAR_DETECTED
+ * event has effected another wdev state.
+ * In both cases we should end the CAC on the wdev.
+ */
+ list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) {
+ if (wdev->cac_started &&
+ !cfg80211_chandef_dfs_usable(&rdev->wiphy, &wdev->chandef))
+ rdev_end_cac(rdev, wdev->netdev);
+ }
+}
+
void regulatory_propagate_dfs_state(struct wiphy *wiphy,
struct cfg80211_chan_def *chandef,
enum nl80211_dfs_state dfs_state,
@@ -3911,8 +3937,10 @@ void regulatory_propagate_dfs_state(struct wiphy *wiphy,
cfg80211_set_dfs_state(&rdev->wiphy, chandef, dfs_state);
if (event == NL80211_RADAR_DETECTED ||
- event == NL80211_RADAR_CAC_FINISHED)
+ event == NL80211_RADAR_CAC_FINISHED) {
cfg80211_sched_dfs_chan_update(rdev);
+ cfg80211_check_and_end_cac(rdev);
+ }
nl80211_radar_notify(rdev, chandef, event, NULL, GFP_KERNEL);
}
diff --git a/net/wireless/sme.c b/net/wireless/sme.c
index 7a6c38ddc65a..d32a2ec4d96a 100644
--- a/net/wireless/sme.c
+++ b/net/wireless/sme.c
@@ -1307,14 +1307,14 @@ void cfg80211_autodisconnect_wk(struct work_struct *work)
if (wdev->conn_owner_nlportid) {
switch (wdev->iftype) {
case NL80211_IFTYPE_ADHOC:
- cfg80211_leave_ibss(rdev, wdev->netdev, false);
+ __cfg80211_leave_ibss(rdev, wdev->netdev, false);
break;
case NL80211_IFTYPE_AP:
case NL80211_IFTYPE_P2P_GO:
- cfg80211_stop_ap(rdev, wdev->netdev, false);
+ __cfg80211_stop_ap(rdev, wdev->netdev, false);
break;
case NL80211_IFTYPE_MESH_POINT:
- cfg80211_leave_mesh(rdev, wdev->netdev);
+ __cfg80211_leave_mesh(rdev, wdev->netdev);
break;
case NL80211_IFTYPE_STATION:
case NL80211_IFTYPE_P2P_CLIENT:
diff --git a/net/wireless/trace.h b/net/wireless/trace.h
index d98ad2b3143b..8677d7ab7d69 100644
--- a/net/wireless/trace.h
+++ b/net/wireless/trace.h
@@ -646,6 +646,11 @@ DEFINE_EVENT(wiphy_netdev_evt, rdev_flush_pmksa,
TP_ARGS(wiphy, netdev)
);
+DEFINE_EVENT(wiphy_netdev_evt, rdev_end_cac,
+ TP_PROTO(struct wiphy *wiphy, struct net_device *netdev),
+ TP_ARGS(wiphy, netdev)
+);
+
DECLARE_EVENT_CLASS(station_add_change,
TP_PROTO(struct wiphy *wiphy, struct net_device *netdev, u8 *mac,
struct station_parameters *params),
diff --git a/net/wireless/util.c b/net/wireless/util.c
index 5b4ed5bbc542..8481e9ac33da 100644
--- a/net/wireless/util.c
+++ b/net/wireless/util.c
@@ -564,7 +564,7 @@ __frame_add_frag(struct sk_buff *skb, struct page *page,
struct skb_shared_info *sh = skb_shinfo(skb);
int page_offset;
- page_ref_inc(page);
+ get_page(page);
page_offset = ptr - page_address(page);
skb_add_rx_frag(skb, sh->nr_frags, page, page_offset, len, size);
}
diff --git a/net/wireless/wext-core.c b/net/wireless/wext-core.c
index 5e677dac2a0c..69102fda9ebd 100644
--- a/net/wireless/wext-core.c
+++ b/net/wireless/wext-core.c
@@ -657,7 +657,8 @@ struct iw_statistics *get_wireless_stats(struct net_device *dev)
return NULL;
}
-static int iw_handler_get_iwstats(struct net_device * dev,
+/* noinline to avoid a bogus warning with -O3 */
+static noinline int iw_handler_get_iwstats(struct net_device * dev,
struct iw_request_info * info,
union iwreq_data * wrqu,
char * extra)