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-rw-r--r--net/core/lwt_bpf.c7
-rw-r--r--net/dsa/port.c2
-rw-r--r--net/ipv4/ip_gre.c12
-rw-r--r--net/ipv4/syncookies.c8
-rw-r--r--net/ipv4/tcp_input.c15
-rw-r--r--net/ipv4/tcp_minisocks.c2
-rw-r--r--net/ipv4/tcp_output.c1
-rw-r--r--net/ipv4/tcp_rate.c11
-rw-r--r--net/ipv6/ip6_gre.c16
-rw-r--r--net/ipv6/syncookies.c3
-rw-r--r--net/netfilter/ipvs/ip_vs_conn.c2
-rw-r--r--net/netfilter/nft_set_rbtree.c6
-rw-r--r--net/netfilter/nft_socket.c52
-rw-r--r--net/sctp/sm_sideeffect.c4
-rw-r--r--net/smc/af_smc.c2
-rw-r--r--net/tls/tls_device.c12
16 files changed, 107 insertions, 48 deletions
diff --git a/net/core/lwt_bpf.c b/net/core/lwt_bpf.c
index 2f7940bcf715..3fd207fe1284 100644
--- a/net/core/lwt_bpf.c
+++ b/net/core/lwt_bpf.c
@@ -158,10 +158,8 @@ static int bpf_output(struct net *net, struct sock *sk, struct sk_buff *skb)
return dst->lwtstate->orig_output(net, sk, skb);
}
-static int xmit_check_hhlen(struct sk_buff *skb)
+static int xmit_check_hhlen(struct sk_buff *skb, int hh_len)
{
- int hh_len = skb_dst(skb)->dev->hard_header_len;
-
if (skb_headroom(skb) < hh_len) {
int nhead = HH_DATA_ALIGN(hh_len - skb_headroom(skb));
@@ -273,6 +271,7 @@ static int bpf_xmit(struct sk_buff *skb)
bpf = bpf_lwt_lwtunnel(dst->lwtstate);
if (bpf->xmit.prog) {
+ int hh_len = dst->dev->hard_header_len;
__be16 proto = skb->protocol;
int ret;
@@ -290,7 +289,7 @@ static int bpf_xmit(struct sk_buff *skb)
/* If the header was expanded, headroom might be too
* small for L2 header to come, expand as needed.
*/
- ret = xmit_check_hhlen(skb);
+ ret = xmit_check_hhlen(skb, hh_len);
if (unlikely(ret))
return ret;
diff --git a/net/dsa/port.c b/net/dsa/port.c
index 73569c9af3cc..c9d552c4c358 100644
--- a/net/dsa/port.c
+++ b/net/dsa/port.c
@@ -721,8 +721,10 @@ int dsa_port_link_register_of(struct dsa_port *dp)
if (ds->ops->phylink_mac_link_down)
ds->ops->phylink_mac_link_down(ds, port,
MLO_AN_FIXED, PHY_INTERFACE_MODE_NA);
+ of_node_put(phy_np);
return dsa_port_phylink_register(dp);
}
+ of_node_put(phy_np);
return 0;
}
diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c
index e4504dd510c6..2a80038575d2 100644
--- a/net/ipv4/ip_gre.c
+++ b/net/ipv4/ip_gre.c
@@ -454,14 +454,12 @@ static void __gre_xmit(struct sk_buff *skb, struct net_device *dev,
__be16 proto)
{
struct ip_tunnel *tunnel = netdev_priv(dev);
-
- if (tunnel->parms.o_flags & TUNNEL_SEQ)
- tunnel->o_seqno++;
+ __be16 flags = tunnel->parms.o_flags;
/* Push GRE header. */
gre_build_header(skb, tunnel->tun_hlen,
- tunnel->parms.o_flags, proto, tunnel->parms.o_key,
- htonl(tunnel->o_seqno));
+ flags, proto, tunnel->parms.o_key,
+ (flags & TUNNEL_SEQ) ? htonl(atomic_fetch_inc(&tunnel->o_seqno)) : 0);
ip_tunnel_xmit(skb, dev, tnl_params, tnl_params->protocol);
}
@@ -499,7 +497,7 @@ static void gre_fb_xmit(struct sk_buff *skb, struct net_device *dev,
(TUNNEL_CSUM | TUNNEL_KEY | TUNNEL_SEQ);
gre_build_header(skb, tunnel_hlen, flags, proto,
tunnel_id_to_key32(tun_info->key.tun_id),
- (flags & TUNNEL_SEQ) ? htonl(tunnel->o_seqno++) : 0);
+ (flags & TUNNEL_SEQ) ? htonl(atomic_fetch_inc(&tunnel->o_seqno)) : 0);
ip_md_tunnel_xmit(skb, dev, IPPROTO_GRE, tunnel_hlen);
@@ -576,7 +574,7 @@ static void erspan_fb_xmit(struct sk_buff *skb, struct net_device *dev)
}
gre_build_header(skb, 8, TUNNEL_SEQ,
- proto, 0, htonl(tunnel->o_seqno++));
+ proto, 0, htonl(atomic_fetch_inc(&tunnel->o_seqno)));
ip_md_tunnel_xmit(skb, dev, IPPROTO_GRE, tunnel_hlen);
diff --git a/net/ipv4/syncookies.c b/net/ipv4/syncookies.c
index 00dc3f943c80..0b616094e794 100644
--- a/net/ipv4/syncookies.c
+++ b/net/ipv4/syncookies.c
@@ -283,6 +283,7 @@ bool cookie_ecn_ok(const struct tcp_options_received *tcp_opt,
EXPORT_SYMBOL(cookie_ecn_ok);
struct request_sock *cookie_tcp_reqsk_alloc(const struct request_sock_ops *ops,
+ const struct tcp_request_sock_ops *af_ops,
struct sock *sk,
struct sk_buff *skb)
{
@@ -299,6 +300,10 @@ struct request_sock *cookie_tcp_reqsk_alloc(const struct request_sock_ops *ops,
return NULL;
treq = tcp_rsk(req);
+
+ /* treq->af_specific might be used to perform TCP_MD5 lookup */
+ treq->af_specific = af_ops;
+
treq->syn_tos = TCP_SKB_CB(skb)->ip_dsfield;
#if IS_ENABLED(CONFIG_MPTCP)
treq->is_mptcp = sk_is_mptcp(sk);
@@ -366,7 +371,8 @@ struct sock *cookie_v4_check(struct sock *sk, struct sk_buff *skb)
goto out;
ret = NULL;
- req = cookie_tcp_reqsk_alloc(&tcp_request_sock_ops, sk, skb);
+ req = cookie_tcp_reqsk_alloc(&tcp_request_sock_ops,
+ &tcp_request_sock_ipv4_ops, sk, skb);
if (!req)
goto out;
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index 12dd08af12b5..2e267b2e33e5 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -3814,7 +3814,8 @@ static int tcp_ack(struct sock *sk, const struct sk_buff *skb, int flag)
tcp_process_tlp_ack(sk, ack, flag);
if (tcp_ack_is_dubious(sk, flag)) {
- if (!(flag & (FLAG_SND_UNA_ADVANCED | FLAG_NOT_DUP))) {
+ if (!(flag & (FLAG_SND_UNA_ADVANCED |
+ FLAG_NOT_DUP | FLAG_DSACKING_ACK))) {
num_dupack = 1;
/* Consider if pure acks were aggregated in tcp_add_backlog() */
if (!(flag & FLAG_DATA))
@@ -5370,7 +5371,17 @@ static void tcp_new_space(struct sock *sk)
sk->sk_write_space(sk);
}
-static void tcp_check_space(struct sock *sk)
+/* Caller made space either from:
+ * 1) Freeing skbs in rtx queues (after tp->snd_una has advanced)
+ * 2) Sent skbs from output queue (and thus advancing tp->snd_nxt)
+ *
+ * We might be able to generate EPOLLOUT to the application if:
+ * 1) Space consumed in output/rtx queues is below sk->sk_sndbuf/2
+ * 2) notsent amount (tp->write_seq - tp->snd_nxt) became
+ * small enough that tcp_stream_memory_free() decides it
+ * is time to generate EPOLLOUT.
+ */
+void tcp_check_space(struct sock *sk)
{
/* pairs with tcp_poll() */
smp_mb();
diff --git a/net/ipv4/tcp_minisocks.c b/net/ipv4/tcp_minisocks.c
index f0f67b25c97a..62f5ef9e6f93 100644
--- a/net/ipv4/tcp_minisocks.c
+++ b/net/ipv4/tcp_minisocks.c
@@ -538,7 +538,7 @@ struct sock *tcp_create_openreq_child(const struct sock *sk,
newtp->tsoffset = treq->ts_off;
#ifdef CONFIG_TCP_MD5SIG
newtp->md5sig_info = NULL; /*XXX*/
- if (newtp->af_specific->md5_lookup(sk, newsk))
+ if (treq->af_specific->req_md5_lookup(sk, req_to_sk(req)))
newtp->tcp_header_len += TCPOLEN_MD5SIG_ALIGNED;
#endif
if (skb->len >= TCP_MSS_DEFAULT + newtp->tcp_header_len)
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index ce9987e6ff25..e37ad0b3645c 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -82,6 +82,7 @@ static void tcp_event_new_data_sent(struct sock *sk, struct sk_buff *skb)
NET_ADD_STATS(sock_net(sk), LINUX_MIB_TCPORIGDATASENT,
tcp_skb_pcount(skb));
+ tcp_check_space(sk);
}
/* SND.NXT, if window was not shrunk or the amount of shrunk was less than one
diff --git a/net/ipv4/tcp_rate.c b/net/ipv4/tcp_rate.c
index 0de693565963..6ab197928abb 100644
--- a/net/ipv4/tcp_rate.c
+++ b/net/ipv4/tcp_rate.c
@@ -73,26 +73,31 @@ void tcp_rate_skb_sent(struct sock *sk, struct sk_buff *skb)
*
* If an ACK (s)acks multiple skbs (e.g., stretched-acks), this function is
* called multiple times. We favor the information from the most recently
- * sent skb, i.e., the skb with the highest prior_delivered count.
+ * sent skb, i.e., the skb with the most recently sent time and the highest
+ * sequence.
*/
void tcp_rate_skb_delivered(struct sock *sk, struct sk_buff *skb,
struct rate_sample *rs)
{
struct tcp_sock *tp = tcp_sk(sk);
struct tcp_skb_cb *scb = TCP_SKB_CB(skb);
+ u64 tx_tstamp;
if (!scb->tx.delivered_mstamp)
return;
+ tx_tstamp = tcp_skb_timestamp_us(skb);
if (!rs->prior_delivered ||
- after(scb->tx.delivered, rs->prior_delivered)) {
+ tcp_skb_sent_after(tx_tstamp, tp->first_tx_mstamp,
+ scb->end_seq, rs->last_end_seq)) {
rs->prior_delivered = scb->tx.delivered;
rs->prior_mstamp = scb->tx.delivered_mstamp;
rs->is_app_limited = scb->tx.is_app_limited;
rs->is_retrans = scb->sacked & TCPCB_RETRANS;
+ rs->last_end_seq = scb->end_seq;
/* Record send time of most recently ACKed packet: */
- tp->first_tx_mstamp = tcp_skb_timestamp_us(skb);
+ tp->first_tx_mstamp = tx_tstamp;
/* Find the duration of the "send phase" of this window: */
rs->interval_us = tcp_stamp_us_delta(tp->first_tx_mstamp,
scb->tx.first_tx_mstamp);
diff --git a/net/ipv6/ip6_gre.c b/net/ipv6/ip6_gre.c
index 1f6c752f13b4..3f88ba6555ab 100644
--- a/net/ipv6/ip6_gre.c
+++ b/net/ipv6/ip6_gre.c
@@ -724,6 +724,7 @@ static netdev_tx_t __gre6_xmit(struct sk_buff *skb,
{
struct ip6_tnl *tunnel = netdev_priv(dev);
__be16 protocol;
+ __be16 flags;
if (dev->type == ARPHRD_ETHER)
IPCB(skb)->flags = 0;
@@ -739,7 +740,6 @@ static netdev_tx_t __gre6_xmit(struct sk_buff *skb,
if (tunnel->parms.collect_md) {
struct ip_tunnel_info *tun_info;
const struct ip_tunnel_key *key;
- __be16 flags;
int tun_hlen;
tun_info = skb_tunnel_info_txcheck(skb);
@@ -766,19 +766,19 @@ static netdev_tx_t __gre6_xmit(struct sk_buff *skb,
gre_build_header(skb, tun_hlen,
flags, protocol,
tunnel_id_to_key32(tun_info->key.tun_id),
- (flags & TUNNEL_SEQ) ? htonl(tunnel->o_seqno++)
+ (flags & TUNNEL_SEQ) ? htonl(atomic_fetch_inc(&tunnel->o_seqno))
: 0);
} else {
- if (tunnel->parms.o_flags & TUNNEL_SEQ)
- tunnel->o_seqno++;
-
if (skb_cow_head(skb, dev->needed_headroom ?: tunnel->hlen))
return -ENOMEM;
- gre_build_header(skb, tunnel->tun_hlen, tunnel->parms.o_flags,
+ flags = tunnel->parms.o_flags;
+
+ gre_build_header(skb, tunnel->tun_hlen, flags,
protocol, tunnel->parms.o_key,
- htonl(tunnel->o_seqno));
+ (flags & TUNNEL_SEQ) ? htonl(atomic_fetch_inc(&tunnel->o_seqno))
+ : 0);
}
return ip6_tnl_xmit(skb, dev, dsfield, fl6, encap_limit, pmtu,
@@ -1056,7 +1056,7 @@ static netdev_tx_t ip6erspan_tunnel_xmit(struct sk_buff *skb,
/* Push GRE header. */
proto = (t->parms.erspan_ver == 1) ? htons(ETH_P_ERSPAN)
: htons(ETH_P_ERSPAN2);
- gre_build_header(skb, 8, TUNNEL_SEQ, proto, 0, htonl(t->o_seqno++));
+ gre_build_header(skb, 8, TUNNEL_SEQ, proto, 0, htonl(atomic_fetch_inc(&t->o_seqno)));
/* TooBig packet may have updated dst->dev's mtu */
if (!t->parms.collect_md && dst && dst_mtu(dst) > dst->dev->mtu)
diff --git a/net/ipv6/syncookies.c b/net/ipv6/syncookies.c
index 9b6cae1e49d9..5fa791cf39ca 100644
--- a/net/ipv6/syncookies.c
+++ b/net/ipv6/syncookies.c
@@ -170,7 +170,8 @@ struct sock *cookie_v6_check(struct sock *sk, struct sk_buff *skb)
goto out;
ret = NULL;
- req = cookie_tcp_reqsk_alloc(&tcp6_request_sock_ops, sk, skb);
+ req = cookie_tcp_reqsk_alloc(&tcp6_request_sock_ops,
+ &tcp_request_sock_ipv6_ops, sk, skb);
if (!req)
goto out;
diff --git a/net/netfilter/ipvs/ip_vs_conn.c b/net/netfilter/ipvs/ip_vs_conn.c
index 2c467c422dc6..fb67f1ca2495 100644
--- a/net/netfilter/ipvs/ip_vs_conn.c
+++ b/net/netfilter/ipvs/ip_vs_conn.c
@@ -1495,7 +1495,7 @@ int __init ip_vs_conn_init(void)
pr_info("Connection hash table configured "
"(size=%d, memory=%ldKbytes)\n",
ip_vs_conn_tab_size,
- (long)(ip_vs_conn_tab_size*sizeof(struct list_head))/1024);
+ (long)(ip_vs_conn_tab_size*sizeof(*ip_vs_conn_tab))/1024);
IP_VS_DBG(0, "Each connection entry needs %zd bytes at least\n",
sizeof(struct ip_vs_conn));
diff --git a/net/netfilter/nft_set_rbtree.c b/net/netfilter/nft_set_rbtree.c
index 217ab3644c25..94a5446c5eae 100644
--- a/net/netfilter/nft_set_rbtree.c
+++ b/net/netfilter/nft_set_rbtree.c
@@ -348,7 +348,11 @@ static int __nft_rbtree_insert(const struct net *net, const struct nft_set *set,
*ext = &rbe->ext;
return -EEXIST;
} else {
- p = &parent->rb_left;
+ overlap = false;
+ if (nft_rbtree_interval_end(rbe))
+ p = &parent->rb_left;
+ else
+ p = &parent->rb_right;
}
}
diff --git a/net/netfilter/nft_socket.c b/net/netfilter/nft_socket.c
index a28aca5124ce..8a0125e966c8 100644
--- a/net/netfilter/nft_socket.c
+++ b/net/netfilter/nft_socket.c
@@ -33,6 +33,32 @@ static void nft_socket_wildcard(const struct nft_pktinfo *pkt,
}
}
+static struct sock *nft_socket_do_lookup(const struct nft_pktinfo *pkt)
+{
+ const struct net_device *indev = nft_in(pkt);
+ const struct sk_buff *skb = pkt->skb;
+ struct sock *sk = NULL;
+
+ if (!indev)
+ return NULL;
+
+ switch (nft_pf(pkt)) {
+ case NFPROTO_IPV4:
+ sk = nf_sk_lookup_slow_v4(nft_net(pkt), skb, indev);
+ break;
+#if IS_ENABLED(CONFIG_NF_TABLES_IPV6)
+ case NFPROTO_IPV6:
+ sk = nf_sk_lookup_slow_v6(nft_net(pkt), skb, indev);
+ break;
+#endif
+ default:
+ WARN_ON_ONCE(1);
+ break;
+ }
+
+ return sk;
+}
+
static void nft_socket_eval(const struct nft_expr *expr,
struct nft_regs *regs,
const struct nft_pktinfo *pkt)
@@ -46,20 +72,7 @@ static void nft_socket_eval(const struct nft_expr *expr,
sk = NULL;
if (!sk)
- switch(nft_pf(pkt)) {
- case NFPROTO_IPV4:
- sk = nf_sk_lookup_slow_v4(nft_net(pkt), skb, nft_in(pkt));
- break;
-#if IS_ENABLED(CONFIG_NF_TABLES_IPV6)
- case NFPROTO_IPV6:
- sk = nf_sk_lookup_slow_v6(nft_net(pkt), skb, nft_in(pkt));
- break;
-#endif
- default:
- WARN_ON_ONCE(1);
- regs->verdict.code = NFT_BREAK;
- return;
- }
+ sk = nft_socket_do_lookup(pkt);
if (!sk) {
regs->verdict.code = NFT_BREAK;
@@ -150,6 +163,16 @@ static int nft_socket_dump(struct sk_buff *skb,
return 0;
}
+static int nft_socket_validate(const struct nft_ctx *ctx,
+ const struct nft_expr *expr,
+ const struct nft_data **data)
+{
+ return nft_chain_validate_hooks(ctx->chain,
+ (1 << NF_INET_PRE_ROUTING) |
+ (1 << NF_INET_LOCAL_IN) |
+ (1 << NF_INET_LOCAL_OUT));
+}
+
static struct nft_expr_type nft_socket_type;
static const struct nft_expr_ops nft_socket_ops = {
.type = &nft_socket_type,
@@ -157,6 +180,7 @@ static const struct nft_expr_ops nft_socket_ops = {
.eval = nft_socket_eval,
.init = nft_socket_init,
.dump = nft_socket_dump,
+ .validate = nft_socket_validate,
};
static struct nft_expr_type nft_socket_type __read_mostly = {
diff --git a/net/sctp/sm_sideeffect.c b/net/sctp/sm_sideeffect.c
index 0948f14ce221..d4e5969771f0 100644
--- a/net/sctp/sm_sideeffect.c
+++ b/net/sctp/sm_sideeffect.c
@@ -458,6 +458,10 @@ void sctp_generate_reconf_event(struct timer_list *t)
goto out_unlock;
}
+ /* This happens when the response arrives after the timer is triggered. */
+ if (!asoc->strreset_chunk)
+ goto out_unlock;
+
error = sctp_do_sm(net, SCTP_EVENT_T_TIMEOUT,
SCTP_ST_TIMEOUT(SCTP_EVENT_TIMEOUT_RECONF),
asoc->state, asoc->ep, asoc,
diff --git a/net/smc/af_smc.c b/net/smc/af_smc.c
index 1b98f3241150..35db3260e8d5 100644
--- a/net/smc/af_smc.c
+++ b/net/smc/af_smc.c
@@ -1057,6 +1057,8 @@ static void smc_connect_work(struct work_struct *work)
smc->sk.sk_state = SMC_CLOSED;
if (rc == -EPIPE || rc == -EAGAIN)
smc->sk.sk_err = EPIPE;
+ else if (rc == -ECONNREFUSED)
+ smc->sk.sk_err = ECONNREFUSED;
else if (signal_pending(current))
smc->sk.sk_err = -sock_intr_errno(timeo);
sock_put(&smc->sk); /* passive closing */
diff --git a/net/tls/tls_device.c b/net/tls/tls_device.c
index f718c7346088..1f56225a10e3 100644
--- a/net/tls/tls_device.c
+++ b/net/tls/tls_device.c
@@ -483,11 +483,13 @@ handle_error:
copy = min_t(size_t, size, (pfrag->size - pfrag->offset));
copy = min_t(size_t, copy, (max_open_record_len - record->len));
- rc = tls_device_copy_data(page_address(pfrag->page) +
- pfrag->offset, copy, msg_iter);
- if (rc)
- goto handle_error;
- tls_append_frag(record, pfrag, copy);
+ if (copy) {
+ rc = tls_device_copy_data(page_address(pfrag->page) +
+ pfrag->offset, copy, msg_iter);
+ if (rc)
+ goto handle_error;
+ tls_append_frag(record, pfrag, copy);
+ }
size -= copy;
if (!size) {
generated by cgit 1.2.3-korg (git 2.39.0) at 2024-04-30 14:10:58 +0000