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Diffstat (limited to 'net')
-rw-r--r--net/core/rtnetlink.c3
-rw-r--r--net/core/sock.c1
-rw-r--r--net/ipv4/cipso_ipv4.c18
-rw-r--r--net/ipv4/esp4.c4
-rw-r--r--net/ipv4/ip_gre.c2
-rw-r--r--net/ipv4/route.c12
-rw-r--r--net/ipv4/tcp.c1
-rw-r--r--net/ipv6/addrconf.c10
-rw-r--r--net/ipv6/ip6_fib.c2
-rw-r--r--net/ipv6/ip6_gre.c2
-rw-r--r--net/ipv6/ndisc.c17
-rw-r--r--net/ipv6/route.c20
-rw-r--r--net/mac80211/driver-ops.h36
-rw-r--r--net/mac80211/ieee80211_i.h9
-rw-r--r--net/mac80211/iface.c41
-rw-r--r--net/mac80211/rx.c73
-rw-r--r--net/mac80211/s1g.c180
-rw-r--r--net/mac80211/status.c17
-rw-r--r--net/mac80211/trace.h67
-rw-r--r--net/mac80211/util.c12
-rw-r--r--net/mptcp/options.c141
-rw-r--r--net/mptcp/protocol.c14
-rw-r--r--net/mptcp/protocol.h36
-rw-r--r--net/mptcp/subflow.c40
-rw-r--r--net/qrtr/mhi.c16
-rw-r--r--net/qrtr/qrtr.c2
-rw-r--r--net/sched/sch_ets.c7
-rw-r--r--net/sunrpc/svc_xprt.c3
-rw-r--r--net/wireless/reg.c9
-rw-r--r--net/xfrm/xfrm_policy.c16
-rw-r--r--net/xfrm/xfrm_user.c57
31 files changed, 697 insertions, 171 deletions
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index 2dcf1c084b20..972c8cb303a5 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -2605,6 +2605,7 @@ static int do_setlink(const struct sk_buff *skb,
return err;
if (tb[IFLA_NET_NS_PID] || tb[IFLA_NET_NS_FD] || tb[IFLA_TARGET_NETNSID]) {
+ const char *pat = ifname && ifname[0] ? ifname : NULL;
struct net *net;
int new_ifindex;
@@ -2620,7 +2621,7 @@ static int do_setlink(const struct sk_buff *skb,
else
new_ifindex = 0;
- err = __dev_change_net_namespace(dev, net, ifname, new_ifindex);
+ err = __dev_change_net_namespace(dev, net, pat, new_ifindex);
put_net(net);
if (err)
goto errout;
diff --git a/net/core/sock.c b/net/core/sock.c
index 950f1e70dbf5..62627e868e03 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -2574,7 +2574,6 @@ static void sk_leave_memory_pressure(struct sock *sk)
}
}
-#define SKB_FRAG_PAGE_ORDER get_order(32768)
DEFINE_STATIC_KEY_FALSE(net_high_order_alloc_disable_key);
/**
diff --git a/net/ipv4/cipso_ipv4.c b/net/ipv4/cipso_ipv4.c
index 099259fc826a..7fbd0b532f52 100644
--- a/net/ipv4/cipso_ipv4.c
+++ b/net/ipv4/cipso_ipv4.c
@@ -465,14 +465,16 @@ void cipso_v4_doi_free(struct cipso_v4_doi *doi_def)
if (!doi_def)
return;
- switch (doi_def->type) {
- case CIPSO_V4_MAP_TRANS:
- kfree(doi_def->map.std->lvl.cipso);
- kfree(doi_def->map.std->lvl.local);
- kfree(doi_def->map.std->cat.cipso);
- kfree(doi_def->map.std->cat.local);
- kfree(doi_def->map.std);
- break;
+ if (doi_def->map.std) {
+ switch (doi_def->type) {
+ case CIPSO_V4_MAP_TRANS:
+ kfree(doi_def->map.std->lvl.cipso);
+ kfree(doi_def->map.std->lvl.local);
+ kfree(doi_def->map.std->cat.cipso);
+ kfree(doi_def->map.std->cat.local);
+ kfree(doi_def->map.std);
+ break;
+ }
}
kfree(doi_def);
}
diff --git a/net/ipv4/esp4.c b/net/ipv4/esp4.c
index a09e36c4a413..851f542928a3 100644
--- a/net/ipv4/esp4.c
+++ b/net/ipv4/esp4.c
@@ -97,7 +97,6 @@ static inline struct scatterlist *esp_req_sg(struct crypto_aead *aead,
static void esp_ssg_unref(struct xfrm_state *x, void *tmp)
{
- struct esp_output_extra *extra = esp_tmp_extra(tmp);
struct crypto_aead *aead = x->data;
int extralen = 0;
u8 *iv;
@@ -105,9 +104,8 @@ static void esp_ssg_unref(struct xfrm_state *x, void *tmp)
struct scatterlist *sg;
if (x->props.flags & XFRM_STATE_ESN)
- extralen += sizeof(*extra);
+ extralen += sizeof(struct esp_output_extra);
- extra = esp_tmp_extra(tmp);
iv = esp_tmp_iv(aead, tmp, extralen);
req = esp_tmp_req(aead, iv);
diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c
index 6ebf05859acb..177d26d8fb9c 100644
--- a/net/ipv4/ip_gre.c
+++ b/net/ipv4/ip_gre.c
@@ -473,6 +473,8 @@ static void __gre_xmit(struct sk_buff *skb, struct net_device *dev,
static int gre_handle_offloads(struct sk_buff *skb, bool csum)
{
+ if (csum && skb_checksum_start(skb) < skb->data)
+ return -EINVAL;
return iptunnel_handle_offloads(skb, csum ? SKB_GSO_GRE_CSUM : SKB_GSO_GRE);
}
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index b181773d7ad3..1e3b18797070 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -601,14 +601,14 @@ static struct fib_nh_exception *fnhe_oldest(struct fnhe_hash_bucket *hash)
return oldest;
}
-static inline u32 fnhe_hashfun(__be32 daddr)
+static u32 fnhe_hashfun(__be32 daddr)
{
- static u32 fnhe_hashrnd __read_mostly;
- u32 hval;
+ static siphash_key_t fnhe_hash_key __read_mostly;
+ u64 hval;
- net_get_random_once(&fnhe_hashrnd, sizeof(fnhe_hashrnd));
- hval = jhash_1word((__force u32)daddr, fnhe_hashrnd);
- return hash_32(hval, FNHE_HASH_SHIFT);
+ net_get_random_once(&fnhe_hash_key, sizeof(fnhe_hash_key));
+ hval = siphash_1u32((__force u32)daddr, &fnhe_hash_key);
+ return hash_64(hval, FNHE_HASH_SHIFT);
}
static void fill_route_from_fnhe(struct rtable *rt, struct fib_nh_exception *fnhe)
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index f931def6302e..e8b48df73c85 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -3338,6 +3338,7 @@ int tcp_set_window_clamp(struct sock *sk, int val)
} else {
tp->window_clamp = val < SOCK_MIN_RCVBUF / 2 ?
SOCK_MIN_RCVBUF / 2 : val;
+ tp->rcv_ssthresh = min(tp->rcv_wnd, tp->window_clamp);
}
return 0;
}
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 8381288a0d6e..17756f3ed33b 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -394,6 +394,7 @@ static struct inet6_dev *ipv6_add_dev(struct net_device *dev)
ndev->cnf.addr_gen_mode = IN6_ADDR_GEN_MODE_STABLE_PRIVACY;
ndev->cnf.mtu6 = dev->mtu;
+ ndev->ra_mtu = 0;
ndev->nd_parms = neigh_parms_alloc(dev, &nd_tbl);
if (!ndev->nd_parms) {
kfree(ndev);
@@ -3849,6 +3850,7 @@ restart:
}
idev->tstamp = jiffies;
+ idev->ra_mtu = 0;
/* Last: Shot the device (if unregistered) */
if (unregister) {
@@ -5543,6 +5545,7 @@ static inline size_t inet6_ifla6_size(void)
+ nla_total_size(ICMP6_MIB_MAX * 8) /* IFLA_INET6_ICMP6STATS */
+ nla_total_size(sizeof(struct in6_addr)) /* IFLA_INET6_TOKEN */
+ nla_total_size(1) /* IFLA_INET6_ADDR_GEN_MODE */
+ + nla_total_size(4) /* IFLA_INET6_RA_MTU */
+ 0;
}
@@ -5651,6 +5654,10 @@ static int inet6_fill_ifla6_attrs(struct sk_buff *skb, struct inet6_dev *idev,
if (nla_put_u8(skb, IFLA_INET6_ADDR_GEN_MODE, idev->cnf.addr_gen_mode))
goto nla_put_failure;
+ if (idev->ra_mtu &&
+ nla_put_u32(skb, IFLA_INET6_RA_MTU, idev->ra_mtu))
+ goto nla_put_failure;
+
return 0;
nla_put_failure:
@@ -5767,6 +5774,9 @@ update_lft:
static const struct nla_policy inet6_af_policy[IFLA_INET6_MAX + 1] = {
[IFLA_INET6_ADDR_GEN_MODE] = { .type = NLA_U8 },
[IFLA_INET6_TOKEN] = { .len = sizeof(struct in6_addr) },
+ [IFLA_INET6_RA_MTU] = { .type = NLA_REJECT,
+ .reject_message =
+ "IFLA_INET6_RA_MTU can not be set" },
};
static int check_addr_gen_mode(int mode)
diff --git a/net/ipv6/ip6_fib.c b/net/ipv6/ip6_fib.c
index a8f118e469b7..1bec5b22f80d 100644
--- a/net/ipv6/ip6_fib.c
+++ b/net/ipv6/ip6_fib.c
@@ -1341,7 +1341,7 @@ static void __fib6_update_sernum_upto_root(struct fib6_info *rt,
struct fib6_node *fn = rcu_dereference_protected(rt->fib6_node,
lockdep_is_held(&rt->fib6_table->tb6_lock));
- /* paired with smp_rmb() in rt6_get_cookie_safe() */
+ /* paired with smp_rmb() in fib6_get_cookie_safe() */
smp_wmb();
while (fn) {
fn->fn_sernum = sernum;
diff --git a/net/ipv6/ip6_gre.c b/net/ipv6/ip6_gre.c
index 3ad201d372d8..7baf41d160f5 100644
--- a/net/ipv6/ip6_gre.c
+++ b/net/ipv6/ip6_gre.c
@@ -629,6 +629,8 @@ drop:
static int gre_handle_offloads(struct sk_buff *skb, bool csum)
{
+ if (csum && skb_checksum_start(skb) < skb->data)
+ return -EINVAL;
return iptunnel_handle_offloads(skb,
csum ? SKB_GSO_GRE_CSUM : SKB_GSO_GRE);
}
diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c
index c467c6419893..4b098521a44c 100644
--- a/net/ipv6/ndisc.c
+++ b/net/ipv6/ndisc.c
@@ -1391,12 +1391,6 @@ skip_defrtr:
}
}
- /*
- * Send a notify if RA changed managed/otherconf flags or timer settings
- */
- if (send_ifinfo_notify)
- inet6_ifinfo_notify(RTM_NEWLINK, in6_dev);
-
skip_linkparms:
/*
@@ -1496,6 +1490,11 @@ skip_routeinfo:
memcpy(&n, ((u8 *)(ndopts.nd_opts_mtu+1))+2, sizeof(mtu));
mtu = ntohl(n);
+ if (in6_dev->ra_mtu != mtu) {
+ in6_dev->ra_mtu = mtu;
+ send_ifinfo_notify = true;
+ }
+
if (mtu < IPV6_MIN_MTU || mtu > skb->dev->mtu) {
ND_PRINTK(2, warn, "RA: invalid mtu: %d\n", mtu);
} else if (in6_dev->cnf.mtu6 != mtu) {
@@ -1519,6 +1518,12 @@ skip_routeinfo:
ND_PRINTK(2, warn, "RA: invalid RA options\n");
}
out:
+ /* Send a notify if RA changed managed/otherconf flags or
+ * timer settings or ra_mtu value
+ */
+ if (send_ifinfo_notify)
+ inet6_ifinfo_notify(RTM_NEWLINK, in6_dev);
+
fib6_info_release(rt);
if (neigh)
neigh_release(neigh);
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 6cf4bb89ca69..f34137d5bf85 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -41,6 +41,7 @@
#include <linux/nsproxy.h>
#include <linux/slab.h>
#include <linux/jhash.h>
+#include <linux/siphash.h>
#include <net/net_namespace.h>
#include <net/snmp.h>
#include <net/ipv6.h>
@@ -1484,17 +1485,24 @@ static void rt6_exception_remove_oldest(struct rt6_exception_bucket *bucket)
static u32 rt6_exception_hash(const struct in6_addr *dst,
const struct in6_addr *src)
{
- static u32 seed __read_mostly;
- u32 val;
+ static siphash_key_t rt6_exception_key __read_mostly;
+ struct {
+ struct in6_addr dst;
+ struct in6_addr src;
+ } __aligned(SIPHASH_ALIGNMENT) combined = {
+ .dst = *dst,
+ };
+ u64 val;
- net_get_random_once(&seed, sizeof(seed));
- val = jhash2((const u32 *)dst, sizeof(*dst)/sizeof(u32), seed);
+ net_get_random_once(&rt6_exception_key, sizeof(rt6_exception_key));
#ifdef CONFIG_IPV6_SUBTREES
if (src)
- val = jhash2((const u32 *)src, sizeof(*src)/sizeof(u32), val);
+ combined.src = *src;
#endif
- return hash_32(val, FIB6_EXCEPTION_BUCKET_SIZE_SHIFT);
+ val = siphash(&combined, sizeof(combined), &rt6_exception_key);
+
+ return hash_64(val, FIB6_EXCEPTION_BUCKET_SIZE_SHIFT);
}
/* Helper function to find the cached rt in the hash table
diff --git a/net/mac80211/driver-ops.h b/net/mac80211/driver-ops.h
index bcb7cc06db3d..cd3731cbf6c6 100644
--- a/net/mac80211/driver-ops.h
+++ b/net/mac80211/driver-ops.h
@@ -1447,4 +1447,40 @@ static inline void drv_sta_set_decap_offload(struct ieee80211_local *local,
trace_drv_return_void(local);
}
+static inline void drv_add_twt_setup(struct ieee80211_local *local,
+ struct ieee80211_sub_if_data *sdata,
+ struct ieee80211_sta *sta,
+ struct ieee80211_twt_setup *twt)
+{
+ struct ieee80211_twt_params *twt_agrt;
+
+ might_sleep();
+
+ if (!check_sdata_in_driver(sdata))
+ return;
+
+ twt_agrt = (void *)twt->params;
+
+ trace_drv_add_twt_setup(local, sta, twt, twt_agrt);
+ local->ops->add_twt_setup(&local->hw, sta, twt);
+ trace_drv_return_void(local);
+}
+
+static inline void drv_twt_teardown_request(struct ieee80211_local *local,
+ struct ieee80211_sub_if_data *sdata,
+ struct ieee80211_sta *sta,
+ u8 flowid)
+{
+ might_sleep();
+ if (!check_sdata_in_driver(sdata))
+ return;
+
+ if (!local->ops->twt_teardown_request)
+ return;
+
+ trace_drv_twt_teardown_request(local, sta, flowid);
+ local->ops->twt_teardown_request(&local->hw, sta, flowid);
+ trace_drv_return_void(local);
+}
+
#endif /* __MAC80211_DRIVER_OPS */
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index e8945c20688a..159af6c3ffb0 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -946,6 +946,7 @@ struct ieee80211_sub_if_data {
struct work_struct work;
struct sk_buff_head skb_queue;
+ struct sk_buff_head status_queue;
u8 needed_rx_chains;
enum ieee80211_smps_mode smps_mode;
@@ -1533,6 +1534,7 @@ struct ieee802_11_elems {
const struct ieee80211_he_spr *he_spr;
const struct ieee80211_mu_edca_param_set *mu_edca_param_set;
const struct ieee80211_he_6ghz_capa *he_6ghz_capa;
+ const struct ieee80211_tx_pwr_env *tx_pwr_env[IEEE80211_TPE_MAX_IE_COUNT];
const u8 *uora_element;
const u8 *mesh_id;
const u8 *peering;
@@ -1583,6 +1585,8 @@ struct ieee802_11_elems {
u8 perr_len;
u8 country_elem_len;
u8 bssid_index_len;
+ u8 tx_pwr_env_len[IEEE80211_TPE_MAX_IE_COUNT];
+ u8 tx_pwr_env_num;
/* whether a parse error occurred while retrieving these elements */
bool parse_error;
@@ -2080,6 +2084,11 @@ ieee80211_he_op_ie_to_bss_conf(struct ieee80211_vif *vif,
/* S1G */
void ieee80211_s1g_sta_rate_init(struct sta_info *sta);
+bool ieee80211_s1g_is_twt_setup(struct sk_buff *skb);
+void ieee80211_s1g_rx_twt_action(struct ieee80211_sub_if_data *sdata,
+ struct sk_buff *skb);
+void ieee80211_s1g_status_twt_action(struct ieee80211_sub_if_data *sdata,
+ struct sk_buff *skb);
/* Spectrum management */
void ieee80211_process_measurement_req(struct ieee80211_sub_if_data *sdata,
diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
index 769f8f585c06..62c95597704b 100644
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -552,6 +552,7 @@ static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata, bool going_do
*/
ieee80211_free_keys(sdata, true);
skb_queue_purge(&sdata->skb_queue);
+ skb_queue_purge(&sdata->status_queue);
}
spin_lock_irqsave(&local->queue_stop_reason_lock, flags);
@@ -984,6 +985,7 @@ int ieee80211_add_virtual_monitor(struct ieee80211_local *local)
}
skb_queue_head_init(&sdata->skb_queue);
+ skb_queue_head_init(&sdata->status_queue);
INIT_WORK(&sdata->work, ieee80211_iface_work);
return 0;
@@ -1382,6 +1384,16 @@ static void ieee80211_iface_process_skb(struct ieee80211_local *local,
WARN_ON(1);
break;
}
+ } else if (ieee80211_is_action(mgmt->frame_control) &&
+ mgmt->u.action.category == WLAN_CATEGORY_S1G) {
+ switch (mgmt->u.action.u.s1g.action_code) {
+ case WLAN_S1G_TWT_TEARDOWN:
+ case WLAN_S1G_TWT_SETUP:
+ ieee80211_s1g_rx_twt_action(sdata, skb);
+ break;
+ default:
+ break;
+ }
} else if (ieee80211_is_ext(mgmt->frame_control)) {
if (sdata->vif.type == NL80211_IFTYPE_STATION)
ieee80211_sta_rx_queued_ext(sdata, skb);
@@ -1437,6 +1449,24 @@ static void ieee80211_iface_process_skb(struct ieee80211_local *local,
}
}
+static void ieee80211_iface_process_status(struct ieee80211_sub_if_data *sdata,
+ struct sk_buff *skb)
+{
+ struct ieee80211_mgmt *mgmt = (void *)skb->data;
+
+ if (ieee80211_is_action(mgmt->frame_control) &&
+ mgmt->u.action.category == WLAN_CATEGORY_S1G) {
+ switch (mgmt->u.action.u.s1g.action_code) {
+ case WLAN_S1G_TWT_TEARDOWN:
+ case WLAN_S1G_TWT_SETUP:
+ ieee80211_s1g_status_twt_action(sdata, skb);
+ break;
+ default:
+ break;
+ }
+ }
+}
+
static void ieee80211_iface_work(struct work_struct *work)
{
struct ieee80211_sub_if_data *sdata =
@@ -1466,6 +1496,16 @@ static void ieee80211_iface_work(struct work_struct *work)
kcov_remote_stop();
}
+ /* process status queue */
+ while ((skb = skb_dequeue(&sdata->status_queue))) {
+ kcov_remote_start_common(skb_get_kcov_handle(skb));
+
+ ieee80211_iface_process_status(sdata, skb);
+ kfree_skb(skb);
+
+ kcov_remote_stop();
+ }
+
/* then other type-dependent work */
switch (sdata->vif.type) {
case NL80211_IFTYPE_STATION:
@@ -1529,6 +1569,7 @@ static void ieee80211_setup_sdata(struct ieee80211_sub_if_data *sdata,
}
skb_queue_head_init(&sdata->skb_queue);
+ skb_queue_head_init(&sdata->status_queue);
INIT_WORK(&sdata->work, ieee80211_iface_work);
INIT_WORK(&sdata->recalc_smps, ieee80211_recalc_smps_work);
INIT_WORK(&sdata->csa_finalize_work, ieee80211_csa_finalize_work);
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index 33c56eab07fc..99ed68f7dc36 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -3212,6 +3212,68 @@ ieee80211_rx_h_mgmt_check(struct ieee80211_rx_data *rx)
return RX_CONTINUE;
}
+static bool
+ieee80211_process_rx_twt_action(struct ieee80211_rx_data *rx)
+{
+ struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)rx->skb->data;
+ struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(rx->skb);
+ struct ieee80211_sub_if_data *sdata = rx->sdata;
+ const struct ieee80211_sta_he_cap *hecap;
+ struct ieee80211_supported_band *sband;
+
+ /* TWT actions are only supported in AP for the moment */
+ if (sdata->vif.type != NL80211_IFTYPE_AP)
+ return false;
+
+ if (!rx->local->ops->add_twt_setup)
+ return false;
+
+ sband = rx->local->hw.wiphy->bands[status->band];
+ hecap = ieee80211_get_he_iftype_cap(sband,
+ ieee80211_vif_type_p2p(&sdata->vif));
+ if (!hecap)
+ return false;
+
+ if (!(hecap->he_cap_elem.mac_cap_info[0] &
+ IEEE80211_HE_MAC_CAP0_TWT_RES))
+ return false;
+
+ if (!rx->sta)
+ return false;
+
+ switch (mgmt->u.action.u.s1g.action_code) {
+ case WLAN_S1G_TWT_SETUP: {
+ struct ieee80211_twt_setup *twt;
+
+ if (rx->skb->len < IEEE80211_MIN_ACTION_SIZE +
+ 1 + /* action code */
+ sizeof(struct ieee80211_twt_setup) +
+ 2 /* TWT req_type agrt */)
+ break;
+
+ twt = (void *)mgmt->u.action.u.s1g.variable;
+ if (twt->element_id != WLAN_EID_S1G_TWT)
+ break;
+
+ if (rx->skb->len < IEEE80211_MIN_ACTION_SIZE +
+ 4 + /* action code + token + tlv */
+ twt->length)
+ break;
+
+ return true; /* queue the frame */
+ }
+ case WLAN_S1G_TWT_TEARDOWN:
+ if (rx->skb->len < IEEE80211_MIN_ACTION_SIZE + 2)
+ break;
+
+ return true; /* queue the frame */
+ default:
+ break;
+ }
+
+ return false;
+}
+
static ieee80211_rx_result debug_noinline
ieee80211_rx_h_action(struct ieee80211_rx_data *rx)
{
@@ -3491,6 +3553,17 @@ ieee80211_rx_h_action(struct ieee80211_rx_data *rx)
!mesh_path_sel_is_hwmp(sdata))
break;
goto queue;
+ case WLAN_CATEGORY_S1G:
+ switch (mgmt->u.action.u.s1g.action_code) {
+ case WLAN_S1G_TWT_SETUP:
+ case WLAN_S1G_TWT_TEARDOWN:
+ if (ieee80211_process_rx_twt_action(rx))
+ goto queue;
+ break;
+ default:
+ break;
+ }
+ break;
}
return RX_CONTINUE;
diff --git a/net/mac80211/s1g.c b/net/mac80211/s1g.c
index c33f332b049a..7e35ab5b6166 100644
--- a/net/mac80211/s1g.c
+++ b/net/mac80211/s1g.c
@@ -6,6 +6,7 @@
#include <linux/ieee80211.h>
#include <net/mac80211.h>
#include "ieee80211_i.h"
+#include "driver-ops.h"
void ieee80211_s1g_sta_rate_init(struct sta_info *sta)
{
@@ -14,3 +15,182 @@ void ieee80211_s1g_sta_rate_init(struct sta_info *sta)
sta->rx_stats.last_rate =
STA_STATS_FIELD(TYPE, STA_STATS_RATE_TYPE_S1G);
}
+
+bool ieee80211_s1g_is_twt_setup(struct sk_buff *skb)
+{
+ struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)skb->data;
+
+ if (likely(!ieee80211_is_action(mgmt->frame_control)))
+ return false;
+
+ if (likely(mgmt->u.action.category != WLAN_CATEGORY_S1G))
+ return false;
+
+ return mgmt->u.action.u.s1g.action_code == WLAN_S1G_TWT_SETUP;
+}
+
+static void
+ieee80211_s1g_send_twt_setup(struct ieee80211_sub_if_data *sdata, const u8 *da,
+ const u8 *bssid, struct ieee80211_twt_setup *twt)
+{
+ int len = IEEE80211_MIN_ACTION_SIZE + 4 + twt->length;
+ struct ieee80211_local *local = sdata->local;
+ struct ieee80211_mgmt *mgmt;
+ struct sk_buff *skb;
+
+ skb = dev_alloc_skb(local->hw.extra_tx_headroom + len);
+ if (!skb)
+ return;
+
+ skb_reserve(skb, local->hw.extra_tx_headroom);
+ mgmt = skb_put_zero(skb, len);
+ mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
+ IEEE80211_STYPE_ACTION);
+ memcpy(mgmt->da, da, ETH_ALEN);
+ memcpy(mgmt->sa, sdata->vif.addr, ETH_ALEN);
+ memcpy(mgmt->bssid, bssid, ETH_ALEN);
+
+ mgmt->u.action.category = WLAN_CATEGORY_S1G;
+ mgmt->u.action.u.s1g.action_code = WLAN_S1G_TWT_SETUP;
+ memcpy(mgmt->u.action.u.s1g.variable, twt, 3 + twt->length);
+
+ IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_INTFL_DONT_ENCRYPT |
+ IEEE80211_TX_INTFL_MLME_CONN_TX |
+ IEEE80211_TX_CTL_REQ_TX_STATUS;
+ ieee80211_tx_skb(sdata, skb);
+}
+
+static void
+ieee80211_s1g_send_twt_teardown(struct ieee80211_sub_if_data *sdata,
+ const u8 *da, const u8 *bssid, u8 flowid)
+{
+ struct ieee80211_local *local = sdata->local;
+ struct ieee80211_mgmt *mgmt;
+ struct sk_buff *skb;
+ u8 *id;
+
+ skb = dev_alloc_skb(local->hw.extra_tx_headroom +
+ IEEE80211_MIN_ACTION_SIZE + 2);
+ if (!skb)
+ return;
+
+ skb_reserve(skb, local->hw.extra_tx_headroom);
+ mgmt = skb_put_zero(skb, IEEE80211_MIN_ACTION_SIZE + 2);
+ mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
+ IEEE80211_STYPE_ACTION);
+ memcpy(mgmt->da, da, ETH_ALEN);
+ memcpy(mgmt->sa, sdata->vif.addr, ETH_ALEN);
+ memcpy(mgmt->bssid, bssid, ETH_ALEN);
+
+ mgmt->u.action.category = WLAN_CATEGORY_S1G;
+ mgmt->u.action.u.s1g.action_code = WLAN_S1G_TWT_TEARDOWN;
+ id = (u8 *)mgmt->u.action.u.s1g.variable;
+ *id = flowid;
+
+ IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_INTFL_DONT_ENCRYPT |
+ IEEE80211_TX_CTL_REQ_TX_STATUS;
+ ieee80211_tx_skb(sdata, skb);
+}
+
+static void
+ieee80211_s1g_rx_twt_setup(struct ieee80211_sub_if_data *sdata,
+ struct sta_info *sta, struct sk_buff *skb)
+{
+ struct ieee80211_mgmt *mgmt = (void *)skb->data;
+ struct ieee80211_twt_setup *twt = (void *)mgmt->u.action.u.s1g.variable;
+ struct ieee80211_twt_params *twt_agrt = (void *)twt->params;
+
+ twt_agrt->req_type &= cpu_to_le16(~IEEE80211_TWT_REQTYPE_REQUEST);
+
+ /* broadcast TWT not supported yet */
+ if (twt->control & IEEE80211_TWT_CONTROL_NEG_TYPE_BROADCAST) {
+ le16p_replace_bits(&twt_agrt->req_type,
+ TWT_SETUP_CMD_REJECT,
+ IEEE80211_TWT_REQTYPE_SETUP_CMD);
+ goto out;
+ }
+
+ drv_add_twt_setup(sdata->local, sdata, &sta->sta, twt);
+out:
+ ieee80211_s1g_send_twt_setup(sdata, mgmt->sa, sdata->vif.addr, twt);
+}
+
+static void
+ieee80211_s1g_rx_twt_teardown(struct ieee80211_sub_if_data *sdata,
+ struct sta_info *sta, struct sk_buff *skb)
+{
+ struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)skb->data;
+
+ drv_twt_teardown_request(sdata->local, sdata, &sta->sta,
+ mgmt->u.action.u.s1g.variable[0]);
+}
+
+static void
+ieee80211_s1g_tx_twt_setup_fail(struct ieee80211_sub_if_data *sdata,
+ struct sta_info *sta, struct sk_buff *skb)
+{
+ struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)skb->data;
+ struct ieee80211_twt_setup *twt = (void *)mgmt->u.action.u.s1g.variable;
+ struct ieee80211_twt_params *twt_agrt = (void *)twt->params;
+ u8 flowid = le16_get_bits(twt_agrt->req_type,
+ IEEE80211_TWT_REQTYPE_FLOWID);
+
+ drv_twt_teardown_request(sdata->local, sdata, &sta->sta, flowid);
+
+ ieee80211_s1g_send_twt_teardown(sdata, mgmt->sa, sdata->vif.addr,
+ flowid);
+}
+
+void ieee80211_s1g_rx_twt_action(struct ieee80211_sub_if_data *sdata,
+ struct sk_buff *skb)
+{
+ struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)skb->data;
+ struct ieee80211_local *local = sdata->local;
+ struct sta_info *sta;
+
+ mutex_lock(&local->sta_mtx);
+
+ sta = sta_info_get_bss(sdata, mgmt->sa);
+ if (!sta)
+ goto out;
+
+ switch (mgmt->u.action.u.s1g.action_code) {
+ case WLAN_S1G_TWT_SETUP:
+ ieee80211_s1g_rx_twt_setup(sdata, sta, skb);
+ break;
+ case WLAN_S1G_TWT_TEARDOWN:
+ ieee80211_s1g_rx_twt_teardown(sdata, sta, skb);
+ break;
+ default:
+ break;
+ }
+
+out:
+ mutex_unlock(&local->sta_mtx);
+}
+
+void ieee80211_s1g_status_twt_action(struct ieee80211_sub_if_data *sdata,
+ struct sk_buff *skb)
+{
+ struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)skb->data;
+ struct ieee80211_local *local = sdata->local;
+ struct sta_info *sta;
+
+ mutex_lock(&local->sta_mtx);
+
+ sta = sta_info_get_bss(sdata, mgmt->da);
+ if (!sta)
+ goto out;
+
+ switch (mgmt->u.action.u.s1g.action_code) {
+ case WLAN_S1G_TWT_SETUP:
+ /* process failed twt setup frames */
+ ieee80211_s1g_tx_twt_setup_fail(sdata, sta, skb);
+ break;
+ default:
+ break;
+ }
+
+out:
+ mutex_unlock(&local->sta_mtx);
+}
diff --git a/net/mac80211/status.c b/net/mac80211/status.c
index 1f295e5721ef..f6f63a0b1b72 100644
--- a/net/mac80211/status.c
+++ b/net/mac80211/status.c
@@ -705,13 +705,26 @@ static void ieee80211_report_used_skb(struct ieee80211_local *local,
/* Check to see if packet is a TDLS teardown packet */
if (ieee80211_is_data(hdr->frame_control) &&
(ieee80211_get_tdls_action(skb, hdr_size) ==
- WLAN_TDLS_TEARDOWN))
+ WLAN_TDLS_TEARDOWN)) {
ieee80211_tdls_td_tx_handle(local, sdata, skb,
info->flags);
- else
+ } else if (ieee80211_s1g_is_twt_setup(skb)) {
+ if (!acked) {
+ struct sk_buff *qskb;
+
+ qskb = skb_clone(skb, GFP_ATOMIC);
+ if (qskb) {
+ skb_queue_tail(&sdata->status_queue,
+ qskb);
+ ieee80211_queue_work(&local->hw,
+ &sdata->work);
+ }
+ }
+ } else {
ieee80211_mgd_conn_tx_status(sdata,
hdr->frame_control,
acked);
+ }
}
rcu_read_unlock();
diff --git a/net/mac80211/trace.h b/net/mac80211/trace.h
index f6ef15366938..9e8381bef7ed 100644
--- a/net/mac80211/trace.h
+++ b/net/mac80211/trace.h
@@ -2825,6 +2825,73 @@ DEFINE_EVENT(sta_flag_evt, drv_sta_set_decap_offload,
TP_ARGS(local, sdata, sta, enabled)
);
+TRACE_EVENT(drv_add_twt_setup,
+ TP_PROTO(struct ieee80211_local *local,
+ struct ieee80211_sta *sta,
+ struct ieee80211_twt_setup *twt,
+ struct ieee80211_twt_params *twt_agrt),
+
+ TP_ARGS(local, sta, twt, twt_agrt),
+
+ TP_STRUCT__entry(
+ LOCAL_ENTRY
+ STA_ENTRY
+ __field(u8, dialog_token)
+ __field(u8, control)
+ __field(__le16, req_type)
+ __field(__le64, twt)
+ __field(u8, duration)
+ __field(__le16, mantissa)
+ __field(u8, channel)
+ ),
+
+ TP_fast_assign(
+ LOCAL_ASSIGN;
+ STA_ASSIGN;
+ __entry->dialog_token = twt->dialog_token;
+ __entry->control = twt->control;
+ __entry->req_type = twt_agrt->req_type;
+ __entry->twt = twt_agrt->twt;
+ __entry->duration = twt_agrt->min_twt_dur;
+ __entry->mantissa = twt_agrt->mantissa;
+ __entry->channel = twt_agrt->channel;
+ ),
+
+ TP_printk(
+ LOCAL_PR_FMT STA_PR_FMT
+ " token:%d control:0x%02x req_type:0x%04x"
+ " twt:%llu duration:%d mantissa:%d channel:%d",
+ LOCAL_PR_ARG, STA_PR_ARG, __entry->dialog_token,
+ __entry->control, le16_to_cpu(__entry->req_type),
+ le64_to_cpu(__entry->twt), __entry->duration,
+ le16_to_cpu(__entry->mantissa), __entry->channel
+ )
+);
+
+TRACE_EVENT(drv_twt_teardown_request,
+ TP_PROTO(struct ieee80211_local *local,
+ struct ieee80211_sta *sta, u8 flowid),
+
+ TP_ARGS(local, sta, flowid),
+
+ TP_STRUCT__entry(
+ LOCAL_ENTRY
+ STA_ENTRY
+ __field(u8, flowid)
+ ),
+
+ TP_fast_assign(
+ LOCAL_ASSIGN;
+ STA_ASSIGN;
+ __entry->flowid = flowid;
+ ),
+
+ TP_printk(
+ LOCAL_PR_FMT STA_PR_FMT " flowid:%d",
+ LOCAL_PR_ARG, STA_PR_ARG, __entry->flowid
+ )
+);
+
#endif /* !__MAC80211_DRIVER_TRACE || TRACE_HEADER_MULTI_READ */
#undef TRACE_INCLUDE_PATH
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index 05e96212b104..49cb96d25169 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -1336,6 +1336,18 @@ _ieee802_11_parse_elems_crc(const u8 *start, size_t len, bool action,
elems->rsnx = pos;
elems->rsnx_len = elen;
break;
+ case WLAN_EID_TX_POWER_ENVELOPE:
+ if (elen < 1 ||
+ elen > sizeof(struct ieee80211_tx_pwr_env))
+ break;
+
+ if (elems->tx_pwr_env_num >= ARRAY_SIZE(elems->tx_pwr_env))
+ break;
+
+ elems->tx_pwr_env[elems->tx_pwr_env_num] = (void *)pos;
+ elems->tx_pwr_env_len[elems->tx_pwr_env_num] = elen;
+ elems->tx_pwr_env_num++;
+ break;
case WLAN_EID_EXTENSION:
ieee80211_parse_extension_element(calc_crc ?
&crc : NULL,
diff --git a/net/mptcp/options.c b/net/mptcp/options.c
index bec3ed82e253..c41273cefc51 100644
--- a/net/mptcp/options.c
+++ b/net/mptcp/options.c
@@ -81,12 +81,11 @@ static void mptcp_parse_option(const struct sk_buff *skb,
* is if both hosts in their SYNs set A=0."
*/
if (flags & MPTCP_CAP_CHECKSUM_REQD)
- mp_opt->csum_reqd = 1;
+ mp_opt->suboptions |= OPTION_MPTCP_CSUMREQD;
- if (flags & MPTCP_CAP_DENY_JOIN_ID0)
- mp_opt->deny_join_id0 = 1;
+ mp_opt->deny_join_id0 = !!(flags & MPTCP_CAP_DENY_JOIN_ID0);
- mp_opt->mp_capable = 1;
+ mp_opt->suboptions |= OPTIONS_MPTCP_MPC;
if (opsize >= TCPOLEN_MPTCP_MPC_SYNACK) {
mp_opt->sndr_key = get_unaligned_be64(ptr);
ptr += 8;
@@ -101,7 +100,7 @@ static void mptcp_parse_option(const struct sk_buff *skb,
* equivalent to those in a DSS option and can be used
* interchangeably."
*/
- mp_opt->dss = 1;
+ mp_opt->suboptions |= OPTION_MPTCP_DSS;
mp_opt->use_map = 1;
mp_opt->mpc_map = 1;
mp_opt->data_len = get_unaligned_be16(ptr);
@@ -109,7 +108,7 @@ static void mptcp_parse_option(const struct sk_buff *skb,
}
if (opsize == TCPOLEN_MPTCP_MPC_ACK_DATA_CSUM) {
mp_opt->csum = (__force __sum16)get_unaligned_be16(ptr);
- mp_opt->csum_reqd = 1;
+ mp_opt->suboptions |= OPTION_MPTCP_CSUMREQD;
ptr += 2;
}
pr_debug("MP_CAPABLE version=%x, flags=%x, optlen=%d sndr=%llu, rcvr=%llu len=%d csum=%u",
@@ -118,7 +117,7 @@ static void mptcp_parse_option(const struct sk_buff *skb,
break;
case MPTCPOPT_MP_JOIN:
- mp_opt->mp_join = 1;
+ mp_opt->suboptions |= OPTIONS_MPTCP_MPJ;
if (opsize == TCPOLEN_MPTCP_MPJ_SYN) {
mp_opt->backup = *ptr++ & MPTCPOPT_BACKUP;
mp_opt->join_id = *ptr++;
@@ -144,7 +143,7 @@ static void mptcp_parse_option(const struct sk_buff *skb,
memcpy(mp_opt->hmac, ptr, MPTCPOPT_HMAC_LEN);
pr_debug("MP_JOIN hmac");
} else {
- mp_opt->mp_join = 0;
+ mp_opt->suboptions &= ~OPTIONS_MPTCP_MPJ;
}
break;
@@ -192,8 +191,7 @@ static void mptcp_parse_option(const struct sk_buff *skb,
opsize != expected_opsize + TCPOLEN_MPTCP_DSS_CHECKSUM)
break;
- mp_opt->dss = 1;
-
+ mp_opt->suboptions |= OPTION_MPTCP_DSS;
if (mp_opt->use_ack) {
if (mp_opt->ack64) {
mp_opt->data_ack = get_unaligned_be64(ptr);
@@ -222,14 +220,15 @@ static void mptcp_parse_option(const struct sk_buff *skb,
ptr += 2;
if (opsize == expected_opsize + TCPOLEN_MPTCP_DSS_CHECKSUM) {
- mp_opt->csum_reqd = 1;
+ mp_opt->suboptions |= OPTION_MPTCP_CSUMREQD;
mp_opt->csum = (__force __sum16)get_unaligned_be16(ptr);
ptr += 2;
}
pr_debug("data_seq=%llu subflow_seq=%u data_len=%u csum=%d:%u",
mp_opt->data_seq, mp_opt->subflow_seq,
- mp_opt->data_len, mp_opt->csum_reqd, mp_opt->csum);
+ mp_opt->data_len, !!(mp_opt->suboptions & OPTION_MPTCP_CSUMREQD),
+ mp_opt->csum);
}
break;
@@ -260,8 +259,10 @@ static void mptcp_parse_option(const struct sk_buff *skb,
break;
}
- mp_opt->add_addr = 1;
+ mp_opt->suboptions |= OPTION_MPTCP_ADD_ADDR;
mp_opt->addr.id = *ptr++;
+ mp_opt->addr.port = 0;
+ mp_opt->ahmac = 0;
if (mp_opt->addr.family == AF_INET) {
memcpy((u8 *)&mp_opt->addr.addr.s_addr, (u8 *)ptr, 4);
ptr += 4;
@@ -298,7 +299,7 @@ static void mptcp_parse_option(const struct sk_buff *skb,
ptr++;
- mp_opt->rm_addr = 1;
+ mp_opt->suboptions |= OPTION_MPTCP_RM_ADDR;
mp_opt->rm_list.nr = opsize - TCPOLEN_MPTCP_RM_ADDR_BASE;
for (i = 0; i < mp_opt->rm_list.nr; i++)
mp_opt->rm_list.ids[i] = *ptr++;
@@ -309,7 +310,7 @@ static void mptcp_parse_option(const struct sk_buff *skb,
if (opsize != TCPOLEN_MPTCP_PRIO)
break;
- mp_opt->mp_prio = 1;
+ mp_opt->suboptions |= OPTION_MPTCP_PRIO;
mp_opt->backup = *ptr++ & MPTCP_PRIO_BKUP;
pr_debug("MP_PRIO: prio=%d", mp_opt->backup);
break;
@@ -321,7 +322,7 @@ static void mptcp_parse_option(const struct sk_buff *skb,
ptr += 2;
mp_opt->rcvr_key = get_unaligned_be64(ptr);
ptr += 8;
- mp_opt->fastclose = 1;
+ mp_opt->suboptions |= OPTION_MPTCP_FASTCLOSE;
break;
case MPTCPOPT_RST:
@@ -330,7 +331,8 @@ static void mptcp_parse_option(const struct sk_buff *skb,
if (!(TCP_SKB_CB(skb)->tcp_flags & TCPHDR_RST))
break;
- mp_opt->reset = 1;
+
+ mp_opt->suboptions |= OPTION_MPTCP_RST;
flags = *ptr++;
mp_opt->reset_transient = flags & MPTCP_RST_TRANSIENT;
mp_opt->reset_reason = *ptr;
@@ -341,7 +343,7 @@ static void mptcp_parse_option(const struct sk_buff *skb,
break;
ptr += 2;
- mp_opt->mp_fail = 1;
+ mp_opt->suboptions |= OPTION_MPTCP_FAIL;
mp_opt->fail_seq = get_unaligned_be64(ptr);
pr_debug("MP_FAIL: data_seq=%llu", mp_opt->fail_seq);
break;
@@ -355,26 +357,12 @@ void mptcp_get_options(const struct sock *sk,
const struct sk_buff *skb,
struct mptcp_options_received *mp_opt)
{
- struct mptcp_subflow_context *subflow = mptcp_subflow_ctx(sk);
- struct mptcp_sock *msk = mptcp_sk(subflow->conn);
const struct tcphdr *th = tcp_hdr(skb);
const unsigned char *ptr;
int length;
/* initialize option status */
- mp_opt->mp_capable = 0;
- mp_opt->mp_join = 0;
- mp_opt->add_addr = 0;
- mp_opt->ahmac = 0;
- mp_opt->fastclose = 0;
- mp_opt->addr.port = 0;
- mp_opt->rm_addr = 0;
- mp_opt->dss = 0;
- mp_opt->mp_prio = 0;
- mp_opt->reset = 0;
- mp_opt->csum_reqd = READ_ONCE(msk->csum_enabled);
- mp_opt->deny_join_id0 = 0;
- mp_opt->mp_fail = 0;
+ mp_opt->suboptions = 0;
length = (th->doff * 4) - sizeof(struct tcphdr);
ptr = (const unsigned char *)(th + 1);
@@ -928,7 +916,7 @@ static bool check_fully_established(struct mptcp_sock *msk, struct sock *ssk,
*/
if (TCP_SKB_CB(skb)->seq == subflow->ssn_offset + 1 &&
TCP_SKB_CB(skb)->end_seq == TCP_SKB_CB(skb)->seq &&
- subflow->mp_join && mp_opt->mp_join &&
+ subflow->mp_join && (mp_opt->suboptions & OPTIONS_MPTCP_MPJ) &&
READ_ONCE(msk->pm.server_side))
tcp_send_ack(ssk);
goto fully_established;
@@ -945,8 +933,8 @@ static bool check_fully_established(struct mptcp_sock *msk, struct sock *ssk,
return subflow->mp_capable;
}
- if ((mp_opt->dss && mp_opt->use_ack) ||
- (mp_opt->add_addr && !mp_opt->echo)) {
+ if (((mp_opt->suboptions & OPTION_MPTCP_DSS) && mp_opt->use_ack) ||
+ ((mp_opt->suboptions & OPTION_MPTCP_ADD_ADDR) && !mp_opt->echo)) {
/* subflows are fully established as soon as we get any
* additional ack, including ADD_ADDR.
*/
@@ -959,7 +947,7 @@ static bool check_fully_established(struct mptcp_sock *msk, struct sock *ssk,
* then fallback to TCP. Fallback scenarios requires a reset for
* MP_JOIN subflows.
*/
- if (!mp_opt->mp_capable) {
+ if (!(mp_opt->suboptions & OPTIONS_MPTCP_MPC)) {
if (subflow->mp_join)
goto reset;
subflow->mp_capable = 0;
@@ -1123,53 +1111,50 @@ bool mptcp_incoming_options(struct sock *sk, struct sk_buff *skb)
if (!check_fully_established(msk, sk, subflow, skb, &mp_opt))
return sk->sk_state != TCP_CLOSE;
- if (mp_opt.fastclose &&
- msk->local_key == mp_opt.rcvr_key) {
- WRITE_ONCE(msk->rcv_fastclose, true);
- mptcp_schedule_work((struct sock *)msk);
- }
-
- if (mp_opt.add_addr && add_addr_hmac_valid(msk, &mp_opt)) {
- if (!mp_opt.echo) {
- mptcp_pm_add_addr_received(msk, &mp_opt.addr);
- MPTCP_INC_STATS(sock_net(sk), MPTCP_MIB_ADDADDR);
- } else {
- mptcp_pm_add_addr_echoed(msk, &mp_opt.addr);
- mptcp_pm_del_add_timer(msk, &mp_opt.addr, true);
- MPTCP_INC_STATS(sock_net(sk), MPTCP_MIB_ECHOADD);
+ if (unlikely(mp_opt.suboptions != OPTION_MPTCP_DSS)) {
+ if ((mp_opt.suboptions & OPTION_MPTCP_FASTCLOSE) &&
+ msk->local_key == mp_opt.rcvr_key) {
+ WRITE_ONCE(msk->rcv_fastclose, true);
+ mptcp_schedule_work((struct sock *)msk);
}
- if (mp_opt.addr.port)
- MPTCP_INC_STATS(sock_net(sk), MPTCP_MIB_PORTADD);
+ if ((mp_opt.suboptions & OPTION_MPTCP_ADD_ADDR) &&
+ add_addr_hmac_valid(msk, &mp_opt)) {
+ if (!mp_opt.echo) {
+ mptcp_pm_add_addr_received(msk, &mp_opt.addr);
+ MPTCP_INC_STATS(sock_net(sk), MPTCP_MIB_ADDADDR);
+ } else {
+ mptcp_pm_add_addr_echoed(msk, &mp_opt.addr);
+ mptcp_pm_del_add_timer(msk, &mp_opt.addr, true);
+ MPTCP_INC_STATS(sock_net(sk), MPTCP_MIB_ECHOADD);
+ }
- mp_opt.add_addr = 0;
- }
+ if (mp_opt.addr.port)
+ MPTCP_INC_STATS(sock_net(sk), MPTCP_MIB_PORTADD);
+ }
- if (mp_opt.rm_addr) {
- mptcp_pm_rm_addr_received(msk, &mp_opt.rm_list);
- mp_opt.rm_addr = 0;
- }
+ if (mp_opt.suboptions & OPTION_MPTCP_RM_ADDR)
+ mptcp_pm_rm_addr_received(msk, &mp_opt.rm_list);
- if (mp_opt.mp_prio) {
- mptcp_pm_mp_prio_received(sk, mp_opt.backup);
- MPTCP_INC_STATS(sock_net(sk), MPTCP_MIB_MPPRIORX);
- mp_opt.mp_prio = 0;
- }
+ if (mp_opt.suboptions & OPTION_MPTCP_PRIO) {
+ mptcp_pm_mp_prio_received(sk, mp_opt.backup);
+ MPTCP_INC_STATS(sock_net(sk), MPTCP_MIB_MPPRIORX);
+ }
- if (mp_opt.mp_fail) {
- mptcp_pm_mp_fail_received(sk, mp_opt.fail_seq);
- MPTCP_INC_STATS(sock_net(sk), MPTCP_MIB_MPFAILRX);
- mp_opt.mp_fail = 0;
- }
+ if (mp_opt.suboptions & OPTION_MPTCP_FAIL) {
+ mptcp_pm_mp_fail_received(sk, mp_opt.fail_seq);
+ MPTCP_INC_STATS(sock_net(sk), MPTCP_MIB_MPFAILRX);
+ }
- if (mp_opt.reset) {
- subflow->reset_seen = 1;
- subflow->reset_reason = mp_opt.reset_reason;
- subflow->reset_transient = mp_opt.reset_transient;
- }
+ if (mp_opt.suboptions & OPTION_MPTCP_RST) {
+ subflow->reset_seen = 1;
+ subflow->reset_reason = mp_opt.reset_reason;
+ subflow->reset_transient = mp_opt.reset_transient;
+ }
- if (!mp_opt.dss)
- return true;
+ if (!(mp_opt.suboptions & OPTION_MPTCP_DSS))
+ return true;
+ }
/* we can't wait for recvmsg() to update the ack_seq, otherwise
* monodirectional flows will stuck
@@ -1197,7 +1182,7 @@ bool mptcp_incoming_options(struct sock *sk, struct sk_buff *skb)
memset(mpext, 0, sizeof(*mpext));
- if (mp_opt.use_map) {
+ if (likely(mp_opt.use_map)) {
if (mp_opt.mpc_map) {
/* this is an MP_CAPABLE carrying MPTCP data
* we know this map the first chunk of data
@@ -1217,7 +1202,7 @@ bool mptcp_incoming_options(struct sock *sk, struct sk_buff *skb)
}
mpext->data_len = mp_opt.data_len;
mpext->use_map = 1;
- mpext->csum_reqd = mp_opt.csum_reqd;
+ mpext->csum_reqd = !!(mp_opt.suboptions & OPTION_MPTCP_CSUMREQD);
if (mpext->csum_reqd)
mpext->csum = mp_opt.csum;
diff --git a/net/mptcp/protocol.c b/net/mptcp/protocol.c
index 22214a58d892..ade648c3512b 100644
--- a/net/mptcp/protocol.c
+++ b/net/mptcp/protocol.c
@@ -1515,15 +1515,19 @@ void __mptcp_push_pending(struct sock *sk, unsigned int flags)
mptcp_flush_join_list(msk);
ssk = mptcp_subflow_get_send(msk);
- /* try to keep the subflow socket lock across
- * consecutive xmit on the same socket
+ /* First check. If the ssk has changed since
+ * the last round, release prev_ssk
*/
if (ssk != prev_ssk && prev_ssk)
mptcp_push_release(sk, prev_ssk, &info);
if (!ssk)
goto out;
- if (ssk != prev_ssk || !prev_ssk)
+ /* Need to lock the new subflow only if different
+ * from the previous one, otherwise we are still
+ * helding the relevant lock
+ */
+ if (ssk != prev_ssk)
lock_sock(ssk);
/* keep it simple and always provide a new skb for the
@@ -2832,7 +2836,7 @@ struct sock *mptcp_sk_clone(const struct sock *sk,
msk->token = subflow_req->token;
msk->subflow = NULL;
WRITE_ONCE(msk->fully_established, false);
- if (mp_opt->csum_reqd)
+ if (mp_opt->suboptions & OPTION_MPTCP_CSUMREQD)
WRITE_ONCE(msk->csum_enabled, true);
msk->write_seq = subflow_req->idsn + 1;
@@ -2841,7 +2845,7 @@ struct sock *mptcp_sk_clone(const struct sock *sk,
msk->wnd_end = msk->snd_nxt + req->rsk_rcv_wnd;
msk->setsockopt_seq = mptcp_sk(sk)->setsockopt_seq;
- if (mp_opt->mp_capable) {
+ if (mp_opt->suboptions & OPTIONS_MPTCP_MPC) {
msk->can_ack = true;
msk->remote_key = mp_opt->sndr_key;
mptcp_crypto_key_sha(msk->remote_key, NULL, &ack_seq);
diff --git a/net/mptcp/protocol.h b/net/mptcp/protocol.h
index 57a50b1194a9..d7aba1c4dc48 100644
--- a/net/mptcp/protocol.h
+++ b/net/mptcp/protocol.h
@@ -29,6 +29,13 @@
#define OPTION_MPTCP_DSS BIT(11)
#define OPTION_MPTCP_FAIL BIT(12)
+#define OPTION_MPTCP_CSUMREQD BIT(13)
+
+#define OPTIONS_MPTCP_MPC (OPTION_MPTCP_MPC_SYN | OPTION_MPTCP_MPC_SYNACK | \
+ OPTION_MPTCP_MPC_ACK)
+#define OPTIONS_MPTCP_MPJ (OPTION_MPTCP_MPJ_SYN | OPTION_MPTCP_MPJ_SYNACK | \
+ OPTION_MPTCP_MPJ_SYNACK)
+
/* MPTCP option subtypes */
#define MPTCPOPT_MP_CAPABLE 0
#define MPTCPOPT_MP_JOIN 1
@@ -132,36 +139,27 @@ struct mptcp_options_received {
u32 subflow_seq;
u16 data_len;
__sum16 csum;
- u16 mp_capable : 1,
- mp_join : 1,
- fastclose : 1,
- reset : 1,
- dss : 1,
- add_addr : 1,
- rm_addr : 1,
- mp_prio : 1,
- mp_fail : 1,
- echo : 1,
- csum_reqd : 1,
- backup : 1,
- deny_join_id0 : 1;
+ u16 suboptions;
u32 token;
u32 nonce;
- u64 thmac;
- u8 hmac[MPTCPOPT_HMAC_LEN];
- u8 join_id;
- u8 use_map:1,
+ u16 use_map:1,
dsn64:1,
data_fin:1,
use_ack:1,
ack64:1,
mpc_map:1,
+ reset_reason:4,
+ reset_transient:1,
+ echo:1,
+ backup:1,
+ deny_join_id0:1,
__unused:2;
+ u8 join_id;
+ u64 thmac;
+ u8 hmac[MPTCPOPT_HMAC_LEN];
struct mptcp_addr_info addr;
struct mptcp_rm_list rm_list;
u64 ahmac;
- u8 reset_reason:4;
- u8 reset_transient:1;
u64 fail_seq;
};
diff --git a/net/mptcp/subflow.c b/net/mptcp/subflow.c
index 54b7ffc21861..1de7ce883c37 100644
--- a/net/mptcp/subflow.c
+++ b/net/mptcp/subflow.c
@@ -141,6 +141,7 @@ static int subflow_check_req(struct request_sock *req,
struct mptcp_subflow_context *listener = mptcp_subflow_ctx(sk_listener);
struct mptcp_subflow_request_sock *subflow_req = mptcp_subflow_rsk(req);
struct mptcp_options_received mp_opt;
+ bool opt_mp_capable, opt_mp_join;
pr_debug("subflow_req=%p, listener=%p", subflow_req, listener);
@@ -154,16 +155,18 @@ static int subflow_check_req(struct request_sock *req,
mptcp_get_options(sk_listener, skb, &mp_opt);
- if (mp_opt.mp_capable) {
+ opt_mp_capable = !!(mp_opt.suboptions & OPTIONS_MPTCP_MPC);
+ opt_mp_join = !!(mp_opt.suboptions & OPTIONS_MPTCP_MPJ);
+ if (opt_mp_capable) {
SUBFLOW_REQ_INC_STATS(req, MPTCP_MIB_MPCAPABLEPASSIVE);
- if (mp_opt.mp_join)
+ if (opt_mp_join)
return 0;
- } else if (mp_opt.mp_join) {
+ } else if (opt_mp_join) {
SUBFLOW_REQ_INC_STATS(req, MPTCP_MIB_JOINSYNRX);
}
- if (mp_opt.mp_capable && listener->request_mptcp) {
+ if (opt_mp_capable && listener->request_mptcp) {
int err, retries = MPTCP_TOKEN_MAX_RETRIES;
subflow_req->ssn_offset = TCP_SKB_CB(skb)->seq;
@@ -194,7 +197,7 @@ again:
else
SUBFLOW_REQ_INC_STATS(req, MPTCP_MIB_TOKENFALLBACKINIT);
- } else if (mp_opt.mp_join && listener->request_mptcp) {
+ } else if (opt_mp_join && listener->request_mptcp) {
subflow_req->ssn_offset = TCP_SKB_CB(skb)->seq;
subflow_req->mp_join = 1;
subflow_req->backup = mp_opt.backup;
@@ -243,15 +246,18 @@ int mptcp_subflow_init_cookie_req(struct request_sock *req,
struct mptcp_subflow_context *listener = mptcp_subflow_ctx(sk_listener);
struct mptcp_subflow_request_sock *subflow_req = mptcp_subflow_rsk(req);
struct mptcp_options_received mp_opt;
+ bool opt_mp_capable, opt_mp_join;
int err;
subflow_init_req(req, sk_listener);
mptcp_get_options(sk_listener, skb, &mp_opt);
- if (mp_opt.mp_capable && mp_opt.mp_join)
+ opt_mp_capable = !!(mp_opt.suboptions & OPTIONS_MPTCP_MPC);
+ opt_mp_join = !!(mp_opt.suboptions & OPTIONS_MPTCP_MPJ);
+ if (opt_mp_capable && opt_mp_join)
return -EINVAL;
- if (mp_opt.mp_capable && listener->request_mptcp) {
+ if (opt_mp_capable && listener->request_mptcp) {
if (mp_opt.sndr_key == 0)
return -EINVAL;
@@ -262,7 +268,7 @@ int mptcp_subflow_init_cookie_req(struct request_sock *req,
subflow_req->mp_capable = 1;
subflow_req->ssn_offset = TCP_SKB_CB(skb)->seq - 1;
- } else if (mp_opt.mp_join && listener->request_mptcp) {
+ } else if (opt_mp_join && listener->request_mptcp) {
if (!mptcp_token_join_cookie_init_state(subflow_req, skb))
return -EINVAL;
@@ -394,7 +400,6 @@ static void subflow_finish_connect(struct sock *sk, const struct sk_buff *skb)
subflow->icsk_af_ops->sk_rx_dst_set(sk, skb);
-
/* be sure no special action on any packet other than syn-ack */
if (subflow->conn_finished)
return;
@@ -407,7 +412,7 @@ static void subflow_finish_connect(struct sock *sk, const struct sk_buff *skb)
mptcp_get_options(sk, skb, &mp_opt);
if (subflow->request_mptcp) {
- if (!mp_opt.mp_capable) {
+ if (!(mp_opt.suboptions & OPTIONS_MPTCP_MPC)) {
MPTCP_INC_STATS(sock_net(sk),
MPTCP_MIB_MPCAPABLEACTIVEFALLBACK);
mptcp_do_fallback(sk);
@@ -415,7 +420,7 @@ static void subflow_finish_connect(struct sock *sk, const struct sk_buff *skb)
goto fallback;
}
- if (mp_opt.csum_reqd)
+ if (mp_opt.suboptions & OPTION_MPTCP_CSUMREQD)
WRITE_ONCE(mptcp_sk(parent)->csum_enabled, true);
if (mp_opt.deny_join_id0)
WRITE_ONCE(mptcp_sk(parent)->pm.remote_deny_join_id0, true);
@@ -430,7 +435,7 @@ static void subflow_finish_connect(struct sock *sk, const struct sk_buff *skb)
} else if (subflow->request_join) {
u8 hmac[SHA256_DIGEST_SIZE];
- if (!mp_opt.mp_join) {
+ if (!(mp_opt.suboptions & OPTIONS_MPTCP_MPJ)) {
subflow->reset_reason = MPTCP_RST_EMPTCP;
goto do_reset;
}
@@ -636,10 +641,10 @@ static struct sock *subflow_syn_recv_sock(const struct sock *sk,
pr_debug("listener=%p, req=%p, conn=%p", listener, req, listener->conn);
- /* After child creation we must look for 'mp_capable' even when options
+ /* After child creation we must look for MPC even when options
* are not parsed
*/
- mp_opt.mp_capable = 0;
+ mp_opt.suboptions = 0;
/* hopefully temporary handling for MP_JOIN+syncookie */
subflow_req = mptcp_subflow_rsk(req);
@@ -659,7 +664,7 @@ static struct sock *subflow_syn_recv_sock(const struct sock *sk,
* options.
*/
mptcp_get_options(sk, skb, &mp_opt);
- if (!mp_opt.mp_capable) {
+ if (!(mp_opt.suboptions & OPTIONS_MPTCP_MPC)) {
fallback = true;
goto create_child;
}
@@ -669,7 +674,8 @@ static struct sock *subflow_syn_recv_sock(const struct sock *sk,
fallback = true;
} else if (subflow_req->mp_join) {
mptcp_get_options(sk, skb, &mp_opt);
- if (!mp_opt.mp_join || !subflow_hmac_valid(req, &mp_opt) ||
+ if (!(mp_opt.suboptions & OPTIONS_MPTCP_MPJ) ||
+ !subflow_hmac_valid(req, &mp_opt) ||
!mptcp_can_accept_new_subflow(subflow_req->msk)) {
SUBFLOW_REQ_INC_STATS(req, MPTCP_MIB_JOINACKMAC);
fallback = true;
@@ -726,7 +732,7 @@ create_child:
/* with OoO packets we can reach here without ingress
* mpc option
*/
- if (mp_opt.mp_capable)
+ if (mp_opt.suboptions & OPTIONS_MPTCP_MPC)
mptcp_subflow_fully_established(ctx, &mp_opt);
} else if (ctx->mp_join) {
struct mptcp_sock *owner;
diff --git a/net/qrtr/mhi.c b/net/qrtr/mhi.c
index 1dc955ca57d3..fa611678af05 100644
--- a/net/qrtr/mhi.c
+++ b/net/qrtr/mhi.c
@@ -15,7 +15,6 @@ struct qrtr_mhi_dev {
struct qrtr_endpoint ep;
struct mhi_device *mhi_dev;
struct device *dev;
- struct completion ready;
};
/* From MHI to QRTR */
@@ -51,10 +50,6 @@ static int qcom_mhi_qrtr_send(struct qrtr_endpoint *ep, struct sk_buff *skb)
struct qrtr_mhi_dev *qdev = container_of(ep, struct qrtr_mhi_dev, ep);
int rc;
- rc = wait_for_completion_interruptible(&qdev->ready);
- if (rc)
- goto free_skb;
-
if (skb->sk)
sock_hold(skb->sk);
@@ -84,7 +79,7 @@ static int qcom_mhi_qrtr_probe(struct mhi_device *mhi_dev,
int rc;
/* start channels */
- rc = mhi_prepare_for_transfer(mhi_dev, 0);
+ rc = mhi_prepare_for_transfer(mhi_dev);
if (rc)
return rc;
@@ -101,15 +96,6 @@ static int qcom_mhi_qrtr_probe(struct mhi_device *mhi_dev,
if (rc)
return rc;
- /* start channels */
- rc = mhi_prepare_for_transfer(mhi_dev, MHI_CH_INBOUND_ALLOC_BUFS);
- if (rc) {
- qrtr_endpoint_unregister(&qdev->ep);
- dev_set_drvdata(&mhi_dev->dev, NULL);
- return rc;
- }
-
- complete_all(&qdev->ready);
dev_dbg(qdev->dev, "Qualcomm MHI QRTR driver probed\n");
return 0;
diff --git a/net/qrtr/qrtr.c b/net/qrtr/qrtr.c
index 6c61b7b1838f..b8508e35d20e 100644
--- a/net/qrtr/qrtr.c
+++ b/net/qrtr/qrtr.c
@@ -493,7 +493,7 @@ int qrtr_endpoint_post(struct qrtr_endpoint *ep, const void *data, size_t len)
goto err;
}
- if (len != ALIGN(size, 4) + hdrlen)
+ if (!size || len != ALIGN(size, 4) + hdrlen)
goto err;
if (cb->dst_port != QRTR_PORT_CTRL && cb->type != QRTR_TYPE_DATA &&
diff --git a/net/sched/sch_ets.c b/net/sched/sch_ets.c
index 925924fab1ab..1f857ffd1ac2 100644
--- a/net/sched/sch_ets.c
+++ b/net/sched/sch_ets.c
@@ -660,6 +660,13 @@ static int ets_qdisc_change(struct Qdisc *sch, struct nlattr *opt,
sch_tree_lock(sch);
q->nbands = nbands;
+ for (i = nstrict; i < q->nstrict; i++) {
+ INIT_LIST_HEAD(&q->classes[i].alist);
+ if (q->classes[i].qdisc->q.qlen) {
+ list_add_tail(&q->classes[i].alist, &q->active);
+ q->classes[i].deficit = quanta[i];
+ }
+ }
q->nstrict = nstrict;
memcpy(q->prio2band, priomap, sizeof(priomap));
diff --git a/net/sunrpc/svc_xprt.c b/net/sunrpc/svc_xprt.c
index d66a8e44a1ae..dbb41821b1b8 100644
--- a/net/sunrpc/svc_xprt.c
+++ b/net/sunrpc/svc_xprt.c
@@ -835,7 +835,8 @@ static int svc_handle_xprt(struct svc_rqst *rqstp, struct svc_xprt *xprt)
rqstp->rq_stime = ktime_get();
rqstp->rq_reserved = serv->sv_max_mesg;
atomic_add(rqstp->rq_reserved, &xprt->xpt_reserved);
- }
+ } else
+ svc_xprt_received(xprt);
out:
trace_svc_handle_xprt(xprt, len);
return len;
diff --git a/net/wireless/reg.c b/net/wireless/reg.c
index c2d0ff7f089f..df87c7f3a049 100644
--- a/net/wireless/reg.c
+++ b/net/wireless/reg.c
@@ -171,9 +171,11 @@ enum nl80211_dfs_regions reg_get_dfs_region(struct wiphy *wiphy)
{
const struct ieee80211_regdomain *regd = NULL;
const struct ieee80211_regdomain *wiphy_regd = NULL;
+ enum nl80211_dfs_regions dfs_region;
rcu_read_lock();
regd = get_cfg80211_regdom();
+ dfs_region = regd->dfs_region;
if (!wiphy)
goto out;
@@ -182,6 +184,11 @@ enum nl80211_dfs_regions reg_get_dfs_region(struct wiphy *wiphy)
if (!wiphy_regd)
goto out;
+ if (wiphy->regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED) {
+ dfs_region = wiphy_regd->dfs_region;
+ goto out;
+ }
+
if (wiphy_regd->dfs_region == regd->dfs_region)
goto out;
@@ -193,7 +200,7 @@ enum nl80211_dfs_regions reg_get_dfs_region(struct wiphy *wiphy)
out:
rcu_read_unlock();
- return regd->dfs_region;
+ return dfs_region;
}
static void rcu_free_regdom(const struct ieee80211_regdomain *r)
diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c
index 7f881f5a5897..37d17a79617c 100644
--- a/net/xfrm/xfrm_policy.c
+++ b/net/xfrm/xfrm_policy.c
@@ -3157,6 +3157,11 @@ ok:
return dst;
nopol:
+ if (!(dst_orig->dev->flags & IFF_LOOPBACK) &&
+ !xfrm_default_allow(net, dir)) {
+ err = -EPERM;
+ goto error;
+ }
if (!(flags & XFRM_LOOKUP_ICMP)) {
dst = dst_orig;
goto ok;
@@ -3545,6 +3550,11 @@ int __xfrm_policy_check(struct sock *sk, int dir, struct sk_buff *skb,
}
if (!pol) {
+ if (!xfrm_default_allow(net, dir)) {
+ XFRM_INC_STATS(net, LINUX_MIB_XFRMINNOPOLS);
+ return 0;
+ }
+
if (sp && secpath_has_nontransport(sp, 0, &xerr_idx)) {
xfrm_secpath_reject(xerr_idx, skb, &fl);
XFRM_INC_STATS(net, LINUX_MIB_XFRMINNOPOLS);
@@ -3599,6 +3609,12 @@ int __xfrm_policy_check(struct sock *sk, int dir, struct sk_buff *skb,
tpp[ti++] = &pols[pi]->xfrm_vec[i];
}
xfrm_nr = ti;
+
+ if (!xfrm_default_allow(net, dir) && !xfrm_nr) {
+ XFRM_INC_STATS(net, LINUX_MIB_XFRMINNOSTATES);
+ goto reject;
+ }
+
if (npols > 1) {
xfrm_tmpl_sort(stp, tpp, xfrm_nr, family);
tpp = stp;
diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c
index 7aff641c717d..03b66d154b2b 100644
--- a/net/xfrm/xfrm_user.c
+++ b/net/xfrm/xfrm_user.c
@@ -1961,6 +1961,59 @@ static struct sk_buff *xfrm_policy_netlink(struct sk_buff *in_skb,
return skb;
}
+static int xfrm_set_default(struct sk_buff *skb, struct nlmsghdr *nlh,
+ struct nlattr **attrs)
+{
+ struct net *net = sock_net(skb->sk);
+ struct xfrm_userpolicy_default *up = nlmsg_data(nlh);
+ u8 dirmask;
+ u8 old_default = net->xfrm.policy_default;
+
+ if (up->dirmask >= XFRM_USERPOLICY_DIRMASK_MAX)
+ return -EINVAL;
+
+ dirmask = (1 << up->dirmask) & XFRM_POL_DEFAULT_MASK;
+
+ net->xfrm.policy_default = (old_default & (0xff ^ dirmask))
+ | (up->action << up->dirmask);
+
+ rt_genid_bump_all(net);
+
+ return 0;
+}
+
+static int xfrm_get_default(struct sk_buff *skb, struct nlmsghdr *nlh,
+ struct nlattr **attrs)
+{
+ struct sk_buff *r_skb;
+ struct nlmsghdr *r_nlh;
+ struct net *net = sock_net(skb->sk);
+ struct xfrm_userpolicy_default *r_up, *up;
+ int len = NLMSG_ALIGN(sizeof(struct xfrm_userpolicy_default));
+ u32 portid = NETLINK_CB(skb).portid;
+ u32 seq = nlh->nlmsg_seq;
+
+ up = nlmsg_data(nlh);
+
+ r_skb = nlmsg_new(len, GFP_ATOMIC);
+ if (!r_skb)
+ return -ENOMEM;
+
+ r_nlh = nlmsg_put(r_skb, portid, seq, XFRM_MSG_GETDEFAULT, sizeof(*r_up), 0);
+ if (!r_nlh) {
+ kfree_skb(r_skb);
+ return -EMSGSIZE;
+ }
+
+ r_up = nlmsg_data(r_nlh);
+
+ r_up->action = ((net->xfrm.policy_default & (1 << up->dirmask)) >> up->dirmask);
+ r_up->dirmask = up->dirmask;
+ nlmsg_end(r_skb, r_nlh);
+
+ return nlmsg_unicast(net->xfrm.nlsk, r_skb, portid);
+}
+
static int xfrm_get_policy(struct sk_buff *skb, struct nlmsghdr *nlh,
struct nlattr **attrs)
{
@@ -2664,6 +2717,8 @@ const int xfrm_msg_min[XFRM_NR_MSGTYPES] = {
[XFRM_MSG_GETSADINFO - XFRM_MSG_BASE] = sizeof(u32),
[XFRM_MSG_NEWSPDINFO - XFRM_MSG_BASE] = sizeof(u32),
[XFRM_MSG_GETSPDINFO - XFRM_MSG_BASE] = sizeof(u32),
+ [XFRM_MSG_SETDEFAULT - XFRM_MSG_BASE] = XMSGSIZE(xfrm_userpolicy_default),
+ [XFRM_MSG_GETDEFAULT - XFRM_MSG_BASE] = XMSGSIZE(xfrm_userpolicy_default),
};
EXPORT_SYMBOL_GPL(xfrm_msg_min);
@@ -2743,6 +2798,8 @@ static const struct xfrm_link {
.nla_pol = xfrma_spd_policy,
.nla_max = XFRMA_SPD_MAX },
[XFRM_MSG_GETSPDINFO - XFRM_MSG_BASE] = { .doit = xfrm_get_spdinfo },
+ [XFRM_MSG_SETDEFAULT - XFRM_MSG_BASE] = { .doit = xfrm_set_default },
+ [XFRM_MSG_GETDEFAULT - XFRM_MSG_BASE] = { .doit = xfrm_get_default },
};
static int xfrm_user_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh,
generated by cgit (git 2.34.1) at 2026-01-07 08:46:14 +0000