aboutsummaryrefslogtreecommitdiffstats
path: root/net/netfilter
diff options
context:
space:
mode:
Diffstat (limited to 'net/netfilter')
-rw-r--r--net/netfilter/ipvs/ip_vs_ctl.c7
-rw-r--r--net/netfilter/ipvs/ip_vs_xmit.c6
-rw-r--r--net/netfilter/nf_conntrack_proto_tcp.c19
-rw-r--r--net/netfilter/nf_dup_netdev.c1
-rw-r--r--net/netfilter/nf_log_common.c12
-rw-r--r--net/netfilter/nf_tables_api.c6
-rw-r--r--net/netfilter/nf_tables_offload.c4
-rw-r--r--net/netfilter/nft_fwd_netdev.c1
8 files changed, 42 insertions, 14 deletions
diff --git a/net/netfilter/ipvs/ip_vs_ctl.c b/net/netfilter/ipvs/ip_vs_ctl.c
index 412656c34f20..beeafa42aad7 100644
--- a/net/netfilter/ipvs/ip_vs_ctl.c
+++ b/net/netfilter/ipvs/ip_vs_ctl.c
@@ -2471,6 +2471,10 @@ do_ip_vs_set_ctl(struct sock *sk, int cmd, void __user *user, unsigned int len)
/* Set timeout values for (tcp tcpfin udp) */
ret = ip_vs_set_timeout(ipvs, (struct ip_vs_timeout_user *)arg);
goto out_unlock;
+ } else if (!len) {
+ /* No more commands with len == 0 below */
+ ret = -EINVAL;
+ goto out_unlock;
}
usvc_compat = (struct ip_vs_service_user *)arg;
@@ -2547,9 +2551,6 @@ do_ip_vs_set_ctl(struct sock *sk, int cmd, void __user *user, unsigned int len)
break;
case IP_VS_SO_SET_DELDEST:
ret = ip_vs_del_dest(svc, &udest);
- break;
- default:
- ret = -EINVAL;
}
out_unlock:
diff --git a/net/netfilter/ipvs/ip_vs_xmit.c b/net/netfilter/ipvs/ip_vs_xmit.c
index b00866d777fe..d2e5a8f644b8 100644
--- a/net/netfilter/ipvs/ip_vs_xmit.c
+++ b/net/netfilter/ipvs/ip_vs_xmit.c
@@ -609,6 +609,8 @@ static inline int ip_vs_tunnel_xmit_prepare(struct sk_buff *skb,
if (ret == NF_ACCEPT) {
nf_reset_ct(skb);
skb_forward_csum(skb);
+ if (skb->dev)
+ skb->tstamp = 0;
}
return ret;
}
@@ -649,6 +651,8 @@ static inline int ip_vs_nat_send_or_cont(int pf, struct sk_buff *skb,
if (!local) {
skb_forward_csum(skb);
+ if (skb->dev)
+ skb->tstamp = 0;
NF_HOOK(pf, NF_INET_LOCAL_OUT, cp->ipvs->net, NULL, skb,
NULL, skb_dst(skb)->dev, dst_output);
} else
@@ -669,6 +673,8 @@ static inline int ip_vs_send_or_cont(int pf, struct sk_buff *skb,
if (!local) {
ip_vs_drop_early_demux_sk(skb);
skb_forward_csum(skb);
+ if (skb->dev)
+ skb->tstamp = 0;
NF_HOOK(pf, NF_INET_LOCAL_OUT, cp->ipvs->net, NULL, skb,
NULL, skb_dst(skb)->dev, dst_output);
} else
diff --git a/net/netfilter/nf_conntrack_proto_tcp.c b/net/netfilter/nf_conntrack_proto_tcp.c
index 1926fd56df56..848b137151c2 100644
--- a/net/netfilter/nf_conntrack_proto_tcp.c
+++ b/net/netfilter/nf_conntrack_proto_tcp.c
@@ -541,13 +541,20 @@ static bool tcp_in_window(const struct nf_conn *ct,
swin = win << sender->td_scale;
sender->td_maxwin = (swin == 0 ? 1 : swin);
sender->td_maxend = end + sender->td_maxwin;
- /*
- * We haven't seen traffic in the other direction yet
- * but we have to tweak window tracking to pass III
- * and IV until that happens.
- */
- if (receiver->td_maxwin == 0)
+ if (receiver->td_maxwin == 0) {
+ /* We haven't seen traffic in the other
+ * direction yet but we have to tweak window
+ * tracking to pass III and IV until that
+ * happens.
+ */
receiver->td_end = receiver->td_maxend = sack;
+ } else if (sack == receiver->td_end + 1) {
+ /* Likely a reply to a keepalive.
+ * Needed for III.
+ */
+ receiver->td_end++;
+ }
+
}
} else if (((state->state == TCP_CONNTRACK_SYN_SENT
&& dir == IP_CT_DIR_ORIGINAL)
diff --git a/net/netfilter/nf_dup_netdev.c b/net/netfilter/nf_dup_netdev.c
index 2b01a151eaa8..a579e59ee5c5 100644
--- a/net/netfilter/nf_dup_netdev.c
+++ b/net/netfilter/nf_dup_netdev.c
@@ -19,6 +19,7 @@ static void nf_do_netdev_egress(struct sk_buff *skb, struct net_device *dev)
skb_push(skb, skb->mac_len);
skb->dev = dev;
+ skb->tstamp = 0;
dev_queue_xmit(skb);
}
diff --git a/net/netfilter/nf_log_common.c b/net/netfilter/nf_log_common.c
index ae5628ddbe6d..fd7c5f0f5c25 100644
--- a/net/netfilter/nf_log_common.c
+++ b/net/netfilter/nf_log_common.c
@@ -171,6 +171,18 @@ nf_log_dump_packet_common(struct nf_log_buf *m, u_int8_t pf,
}
EXPORT_SYMBOL_GPL(nf_log_dump_packet_common);
+void nf_log_dump_vlan(struct nf_log_buf *m, const struct sk_buff *skb)
+{
+ u16 vid;
+
+ if (!skb_vlan_tag_present(skb))
+ return;
+
+ vid = skb_vlan_tag_get(skb);
+ nf_log_buf_add(m, "VPROTO=%04x VID=%u ", ntohs(skb->vlan_proto), vid);
+}
+EXPORT_SYMBOL_GPL(nf_log_dump_vlan);
+
/* bridge and netdev logging families share this code. */
void nf_log_l2packet(struct net *net, u_int8_t pf,
__be16 protocol,
diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c
index 05059f620d41..fe51a7df4f52 100644
--- a/net/netfilter/nf_tables_api.c
+++ b/net/netfilter/nf_tables_api.c
@@ -295,7 +295,7 @@ static void nft_rule_expr_activate(const struct nft_ctx *ctx,
struct nft_expr *expr;
expr = nft_expr_first(rule);
- while (expr != nft_expr_last(rule) && expr->ops) {
+ while (nft_expr_more(rule, expr)) {
if (expr->ops->activate)
expr->ops->activate(ctx, expr);
@@ -310,7 +310,7 @@ static void nft_rule_expr_deactivate(const struct nft_ctx *ctx,
struct nft_expr *expr;
expr = nft_expr_first(rule);
- while (expr != nft_expr_last(rule) && expr->ops) {
+ while (nft_expr_more(rule, expr)) {
if (expr->ops->deactivate)
expr->ops->deactivate(ctx, expr, phase);
@@ -2917,7 +2917,7 @@ static void nf_tables_rule_destroy(const struct nft_ctx *ctx,
* is called on error from nf_tables_newrule().
*/
expr = nft_expr_first(rule);
- while (expr != nft_expr_last(rule) && expr->ops) {
+ while (nft_expr_more(rule, expr)) {
next = nft_expr_next(expr);
nf_tables_expr_destroy(ctx, expr);
expr = next;
diff --git a/net/netfilter/nf_tables_offload.c b/net/netfilter/nf_tables_offload.c
index c7cf1cde46de..ce2387bfb5dc 100644
--- a/net/netfilter/nf_tables_offload.c
+++ b/net/netfilter/nf_tables_offload.c
@@ -37,7 +37,7 @@ struct nft_flow_rule *nft_flow_rule_create(struct net *net,
struct nft_expr *expr;
expr = nft_expr_first(rule);
- while (expr->ops && expr != nft_expr_last(rule)) {
+ while (nft_expr_more(rule, expr)) {
if (expr->ops->offload_flags & NFT_OFFLOAD_F_ACTION)
num_actions++;
@@ -61,7 +61,7 @@ struct nft_flow_rule *nft_flow_rule_create(struct net *net,
ctx->net = net;
ctx->dep.type = NFT_OFFLOAD_DEP_UNSPEC;
- while (expr->ops && expr != nft_expr_last(rule)) {
+ while (nft_expr_more(rule, expr)) {
if (!expr->ops->offload) {
err = -EOPNOTSUPP;
goto err_out;
diff --git a/net/netfilter/nft_fwd_netdev.c b/net/netfilter/nft_fwd_netdev.c
index 3087e23297db..b77985986b24 100644
--- a/net/netfilter/nft_fwd_netdev.c
+++ b/net/netfilter/nft_fwd_netdev.c
@@ -138,6 +138,7 @@ static void nft_fwd_neigh_eval(const struct nft_expr *expr,
return;
skb->dev = dev;
+ skb->tstamp = 0;
neigh_xmit(neigh_table, dev, addr, skb);
out:
regs->verdict.code = verdict;
generated by cgit 1.2.3-korg (git 2.39.0) at 2024-06-06 00:01:28 +0000