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-rw-r--r--net/core/skbuff.c27
-rw-r--r--net/ieee802154/6lowpan_iphc.c2
-rw-r--r--net/ipv4/ip_gre.c2
-rw-r--r--net/ipv4/ip_input.c2
-rw-r--r--net/ipv4/ip_tunnel.c3
-rw-r--r--net/ipv6/ip6_input.c2
-rw-r--r--net/llc/llc_output.c2
-rw-r--r--net/rxrpc/ar-connection.c2
-rw-r--r--net/rxrpc/ar-recvmsg.c7
-rw-r--r--net/sched/sch_tbf.c13
10 files changed, 44 insertions, 18 deletions
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index 8f519dbb358b..5976ef0846bd 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -47,6 +47,8 @@
#include <linux/in.h>
#include <linux/inet.h>
#include <linux/slab.h>
+#include <linux/tcp.h>
+#include <linux/udp.h>
#include <linux/netdevice.h>
#ifdef CONFIG_NET_CLS_ACT
#include <net/pkt_sched.h>
@@ -2119,7 +2121,7 @@ EXPORT_SYMBOL_GPL(skb_zerocopy_headlen);
/**
* skb_zerocopy - Zero copy skb to skb
* @to: destination buffer
- * @source: source buffer
+ * @from: source buffer
* @len: number of bytes to copy from source buffer
* @hlen: size of linear headroom in destination buffer
*
@@ -3916,3 +3918,26 @@ void skb_scrub_packet(struct sk_buff *skb, bool xnet)
nf_reset_trace(skb);
}
EXPORT_SYMBOL_GPL(skb_scrub_packet);
+
+/**
+ * skb_gso_transport_seglen - Return length of individual segments of a gso packet
+ *
+ * @skb: GSO skb
+ *
+ * skb_gso_transport_seglen is used to determine the real size of the
+ * individual segments, including Layer4 headers (TCP/UDP).
+ *
+ * The MAC/L2 or network (IP, IPv6) headers are not accounted for.
+ */
+unsigned int skb_gso_transport_seglen(const struct sk_buff *skb)
+{
+ const struct skb_shared_info *shinfo = skb_shinfo(skb);
+ unsigned int hdr_len;
+
+ if (likely(shinfo->gso_type & (SKB_GSO_TCPV4 | SKB_GSO_TCPV6)))
+ hdr_len = tcp_hdrlen(skb);
+ else
+ hdr_len = sizeof(struct udphdr);
+ return hdr_len + shinfo->gso_size;
+}
+EXPORT_SYMBOL_GPL(skb_gso_transport_seglen);
diff --git a/net/ieee802154/6lowpan_iphc.c b/net/ieee802154/6lowpan_iphc.c
index 083f905bf109..860aa2d445ba 100644
--- a/net/ieee802154/6lowpan_iphc.c
+++ b/net/ieee802154/6lowpan_iphc.c
@@ -678,7 +678,7 @@ int lowpan_header_compress(struct sk_buff *skb, struct net_device *dev,
hc06_ptr += 3;
} else {
/* compress nothing */
- memcpy(hc06_ptr, &hdr, 4);
+ memcpy(hc06_ptr, hdr, 4);
/* replace the top byte with new ECN | DSCP format */
*hc06_ptr = tmp;
hc06_ptr += 4;
diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c
index e7a92fdb36f6..ec4f762efda5 100644
--- a/net/ipv4/ip_gre.c
+++ b/net/ipv4/ip_gre.c
@@ -178,7 +178,7 @@ static int ipgre_err(struct sk_buff *skb, u32 info,
else
itn = net_generic(net, ipgre_net_id);
- iph = (const struct iphdr *)skb->data;
+ iph = (const struct iphdr *)(icmp_hdr(skb) + 1);
t = ip_tunnel_lookup(itn, skb->dev->ifindex, tpi->flags,
iph->daddr, iph->saddr, tpi->key);
diff --git a/net/ipv4/ip_input.c b/net/ipv4/ip_input.c
index 054a3e97d822..3d4da2c16b6a 100644
--- a/net/ipv4/ip_input.c
+++ b/net/ipv4/ip_input.c
@@ -314,7 +314,7 @@ static int ip_rcv_finish(struct sk_buff *skb)
const struct iphdr *iph = ip_hdr(skb);
struct rtable *rt;
- if (sysctl_ip_early_demux && !skb_dst(skb)) {
+ if (sysctl_ip_early_demux && !skb_dst(skb) && skb->sk == NULL) {
const struct net_protocol *ipprot;
int protocol = iph->protocol;
diff --git a/net/ipv4/ip_tunnel.c b/net/ipv4/ip_tunnel.c
index c0e3cb72ad70..bd28f386bd02 100644
--- a/net/ipv4/ip_tunnel.c
+++ b/net/ipv4/ip_tunnel.c
@@ -40,6 +40,7 @@
#include <linux/if_ether.h>
#include <linux/if_vlan.h>
#include <linux/rculist.h>
+#include <linux/err.h>
#include <net/sock.h>
#include <net/ip.h>
@@ -930,7 +931,7 @@ int ip_tunnel_init_net(struct net *net, int ip_tnl_net_id,
}
rtnl_unlock();
- return PTR_RET(itn->fb_tunnel_dev);
+ return PTR_ERR_OR_ZERO(itn->fb_tunnel_dev);
}
EXPORT_SYMBOL_GPL(ip_tunnel_init_net);
diff --git a/net/ipv6/ip6_input.c b/net/ipv6/ip6_input.c
index 302d6fb1ff2b..51d54dc376f3 100644
--- a/net/ipv6/ip6_input.c
+++ b/net/ipv6/ip6_input.c
@@ -49,7 +49,7 @@
int ip6_rcv_finish(struct sk_buff *skb)
{
- if (sysctl_ip_early_demux && !skb_dst(skb)) {
+ if (sysctl_ip_early_demux && !skb_dst(skb) && skb->sk == NULL) {
const struct inet6_protocol *ipprot;
ipprot = rcu_dereference(inet6_protos[ipv6_hdr(skb)->nexthdr]);
diff --git a/net/llc/llc_output.c b/net/llc/llc_output.c
index 2dae8a5df23f..94425e421213 100644
--- a/net/llc/llc_output.c
+++ b/net/llc/llc_output.c
@@ -43,7 +43,7 @@ int llc_mac_hdr_init(struct sk_buff *skb,
rc = 0;
break;
default:
- WARN(1, "device type not supported: %d\n", skb->dev->type);
+ break;
}
return rc;
}
diff --git a/net/rxrpc/ar-connection.c b/net/rxrpc/ar-connection.c
index 4106ca95ec86..7bf5b5b9e8b9 100644
--- a/net/rxrpc/ar-connection.c
+++ b/net/rxrpc/ar-connection.c
@@ -381,6 +381,8 @@ static int rxrpc_connect_exclusive(struct rxrpc_sock *rx,
rxrpc_assign_connection_id(conn);
rx->conn = conn;
+ } else {
+ spin_lock(&trans->client_lock);
}
/* we've got a connection with a free channel and we can now attach the
diff --git a/net/rxrpc/ar-recvmsg.c b/net/rxrpc/ar-recvmsg.c
index 898492a8d61b..34b5490dde65 100644
--- a/net/rxrpc/ar-recvmsg.c
+++ b/net/rxrpc/ar-recvmsg.c
@@ -180,7 +180,8 @@ int rxrpc_recvmsg(struct kiocb *iocb, struct socket *sock,
if (copy > len - copied)
copy = len - copied;
- if (skb->ip_summed == CHECKSUM_UNNECESSARY) {
+ if (skb->ip_summed == CHECKSUM_UNNECESSARY ||
+ skb->ip_summed == CHECKSUM_PARTIAL) {
ret = skb_copy_datagram_iovec(skb, offset,
msg->msg_iov, copy);
} else {
@@ -353,6 +354,10 @@ csum_copy_error:
if (continue_call)
rxrpc_put_call(continue_call);
rxrpc_kill_skb(skb);
+ if (!(flags & MSG_PEEK)) {
+ if (skb_dequeue(&rx->sk.sk_receive_queue) != skb)
+ BUG();
+ }
skb_kill_datagram(&rx->sk, skb, flags);
rxrpc_put_call(call);
return -EAGAIN;
diff --git a/net/sched/sch_tbf.c b/net/sched/sch_tbf.c
index fbba5b0ec121..1cb413fead89 100644
--- a/net/sched/sch_tbf.c
+++ b/net/sched/sch_tbf.c
@@ -21,7 +21,6 @@
#include <net/netlink.h>
#include <net/sch_generic.h>
#include <net/pkt_sched.h>
-#include <net/tcp.h>
/* Simple Token Bucket Filter.
@@ -148,16 +147,10 @@ static u64 psched_ns_t2l(const struct psched_ratecfg *r,
* Return length of individual segments of a gso packet,
* including all headers (MAC, IP, TCP/UDP)
*/
-static unsigned int skb_gso_seglen(const struct sk_buff *skb)
+static unsigned int skb_gso_mac_seglen(const struct sk_buff *skb)
{
unsigned int hdr_len = skb_transport_header(skb) - skb_mac_header(skb);
- const struct skb_shared_info *shinfo = skb_shinfo(skb);
-
- if (likely(shinfo->gso_type & (SKB_GSO_TCPV4 | SKB_GSO_TCPV6)))
- hdr_len += tcp_hdrlen(skb);
- else
- hdr_len += sizeof(struct udphdr);
- return hdr_len + shinfo->gso_size;
+ return hdr_len + skb_gso_transport_seglen(skb);
}
/* GSO packet is too big, segment it so that tbf can transmit
@@ -202,7 +195,7 @@ static int tbf_enqueue(struct sk_buff *skb, struct Qdisc *sch)
int ret;
if (qdisc_pkt_len(skb) > q->max_size) {
- if (skb_is_gso(skb) && skb_gso_seglen(skb) <= q->max_size)
+ if (skb_is_gso(skb) && skb_gso_mac_seglen(skb) <= q->max_size)
return tbf_segment(skb, sch);
return qdisc_reshape_fail(skb, sch);
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-19 10:21:08 +0000