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-rw-r--r--net/core/dev.c1
-rw-r--r--net/core/netpoll.c3
-rw-r--r--net/core/sock.c9
-rw-r--r--net/ipv4/fou.c6
-rw-r--r--net/ipv4/gre_offload.c8
-rw-r--r--net/ipv4/ip_gre.c13
-rw-r--r--net/ipv6/ip6_output.c8
-rw-r--r--net/ipv6/ip6_tunnel.c2
-rw-r--r--net/l2tp/l2tp_ip.c8
-rw-r--r--net/l2tp/l2tp_ip6.c8
-rw-r--r--net/mpls/af_mpls.c3
-rw-r--r--net/packet/af_packet.c2
-rw-r--r--net/rds/ib_recv.c2
-rw-r--r--net/rds/page.c4
-rw-r--r--net/sctp/output.c3
-rw-r--r--net/vmw_vsock/vmci_transport.c4
16 files changed, 58 insertions, 26 deletions
diff --git a/net/core/dev.c b/net/core/dev.c
index b9bcbe77d913..77a71cd68535 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -4439,6 +4439,7 @@ static enum gro_result dev_gro_receive(struct napi_struct *napi, struct sk_buff
NAPI_GRO_CB(skb)->flush = 0;
NAPI_GRO_CB(skb)->free = 0;
NAPI_GRO_CB(skb)->encap_mark = 0;
+ NAPI_GRO_CB(skb)->is_fou = 0;
NAPI_GRO_CB(skb)->gro_remcsum_start = 0;
/* Setup for GRO checksum validation */
diff --git a/net/core/netpoll.c b/net/core/netpoll.c
index a57bd17805b4..94acfc89ad97 100644
--- a/net/core/netpoll.c
+++ b/net/core/netpoll.c
@@ -603,6 +603,7 @@ int __netpoll_setup(struct netpoll *np, struct net_device *ndev)
const struct net_device_ops *ops;
int err;
+ np->dev = ndev;
strlcpy(np->dev_name, ndev->name, IFNAMSIZ);
INIT_WORK(&np->cleanup_work, netpoll_async_cleanup);
@@ -669,7 +670,6 @@ int netpoll_setup(struct netpoll *np)
goto unlock;
}
dev_hold(ndev);
- np->dev = ndev;
if (netdev_master_upper_dev_get(ndev)) {
np_err(np, "%s is a slave device, aborting\n", np->dev_name);
@@ -770,7 +770,6 @@ int netpoll_setup(struct netpoll *np)
return 0;
put:
- np->dev = NULL;
dev_put(ndev);
unlock:
rtnl_unlock();
diff --git a/net/core/sock.c b/net/core/sock.c
index b67b9aedb230..7e73c26b6bb4 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -221,7 +221,8 @@ static const char *const af_family_key_strings[AF_MAX+1] = {
"sk_lock-AF_TIPC" , "sk_lock-AF_BLUETOOTH", "sk_lock-IUCV" ,
"sk_lock-AF_RXRPC" , "sk_lock-AF_ISDN" , "sk_lock-AF_PHONET" ,
"sk_lock-AF_IEEE802154", "sk_lock-AF_CAIF" , "sk_lock-AF_ALG" ,
- "sk_lock-AF_NFC" , "sk_lock-AF_VSOCK" , "sk_lock-AF_MAX"
+ "sk_lock-AF_NFC" , "sk_lock-AF_VSOCK" , "sk_lock-AF_KCM" ,
+ "sk_lock-AF_MAX"
};
static const char *const af_family_slock_key_strings[AF_MAX+1] = {
"slock-AF_UNSPEC", "slock-AF_UNIX" , "slock-AF_INET" ,
@@ -237,7 +238,8 @@ static const char *const af_family_slock_key_strings[AF_MAX+1] = {
"slock-AF_TIPC" , "slock-AF_BLUETOOTH", "slock-AF_IUCV" ,
"slock-AF_RXRPC" , "slock-AF_ISDN" , "slock-AF_PHONET" ,
"slock-AF_IEEE802154", "slock-AF_CAIF" , "slock-AF_ALG" ,
- "slock-AF_NFC" , "slock-AF_VSOCK" ,"slock-AF_MAX"
+ "slock-AF_NFC" , "slock-AF_VSOCK" ,"slock-AF_KCM" ,
+ "slock-AF_MAX"
};
static const char *const af_family_clock_key_strings[AF_MAX+1] = {
"clock-AF_UNSPEC", "clock-AF_UNIX" , "clock-AF_INET" ,
@@ -253,7 +255,8 @@ static const char *const af_family_clock_key_strings[AF_MAX+1] = {
"clock-AF_TIPC" , "clock-AF_BLUETOOTH", "clock-AF_IUCV" ,
"clock-AF_RXRPC" , "clock-AF_ISDN" , "clock-AF_PHONET" ,
"clock-AF_IEEE802154", "clock-AF_CAIF" , "clock-AF_ALG" ,
- "clock-AF_NFC" , "clock-AF_VSOCK" , "clock-AF_MAX"
+ "clock-AF_NFC" , "clock-AF_VSOCK" , "clock-AF_KCM" ,
+ "clock-AF_MAX"
};
/*
diff --git a/net/ipv4/fou.c b/net/ipv4/fou.c
index 5a94aea280d3..a39068b4a4d9 100644
--- a/net/ipv4/fou.c
+++ b/net/ipv4/fou.c
@@ -203,6 +203,9 @@ static struct sk_buff **fou_gro_receive(struct sk_buff **head,
*/
NAPI_GRO_CB(skb)->encap_mark = 0;
+ /* Flag this frame as already having an outer encap header */
+ NAPI_GRO_CB(skb)->is_fou = 1;
+
rcu_read_lock();
offloads = NAPI_GRO_CB(skb)->is_ipv6 ? inet6_offloads : inet_offloads;
ops = rcu_dereference(offloads[proto]);
@@ -368,6 +371,9 @@ static struct sk_buff **gue_gro_receive(struct sk_buff **head,
*/
NAPI_GRO_CB(skb)->encap_mark = 0;
+ /* Flag this frame as already having an outer encap header */
+ NAPI_GRO_CB(skb)->is_fou = 1;
+
rcu_read_lock();
offloads = NAPI_GRO_CB(skb)->is_ipv6 ? inet6_offloads : inet_offloads;
ops = rcu_dereference(offloads[guehdr->proto_ctype]);
diff --git a/net/ipv4/gre_offload.c b/net/ipv4/gre_offload.c
index c47539d04b88..6a5bd4317866 100644
--- a/net/ipv4/gre_offload.c
+++ b/net/ipv4/gre_offload.c
@@ -150,6 +150,14 @@ static struct sk_buff **gre_gro_receive(struct sk_buff **head,
if ((greh->flags & ~(GRE_KEY|GRE_CSUM)) != 0)
goto out;
+ /* We can only support GRE_CSUM if we can track the location of
+ * the GRE header. In the case of FOU/GUE we cannot because the
+ * outer UDP header displaces the GRE header leaving us in a state
+ * of limbo.
+ */
+ if ((greh->flags & GRE_CSUM) && NAPI_GRO_CB(skb)->is_fou)
+ goto out;
+
type = greh->protocol;
rcu_read_lock();
diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c
index 31936d387cfd..af5d1f38217f 100644
--- a/net/ipv4/ip_gre.c
+++ b/net/ipv4/ip_gre.c
@@ -862,9 +862,16 @@ static void __gre_tunnel_init(struct net_device *dev)
dev->hw_features |= GRE_FEATURES;
if (!(tunnel->parms.o_flags & TUNNEL_SEQ)) {
- /* TCP offload with GRE SEQ is not supported. */
- dev->features |= NETIF_F_GSO_SOFTWARE;
- dev->hw_features |= NETIF_F_GSO_SOFTWARE;
+ /* TCP offload with GRE SEQ is not supported, nor
+ * can we support 2 levels of outer headers requiring
+ * an update.
+ */
+ if (!(tunnel->parms.o_flags & TUNNEL_CSUM) ||
+ (tunnel->encap.type == TUNNEL_ENCAP_NONE)) {
+ dev->features |= NETIF_F_GSO_SOFTWARE;
+ dev->hw_features |= NETIF_F_GSO_SOFTWARE;
+ }
+
/* Can use a lockless transmit, unless we generate
* output sequences
*/
diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
index 9428345d3a07..bc972e7152c7 100644
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -1090,8 +1090,8 @@ static inline int ip6_ufo_append_data(struct sock *sk,
int getfrag(void *from, char *to, int offset, int len,
int odd, struct sk_buff *skb),
void *from, int length, int hh_len, int fragheaderlen,
- int transhdrlen, int mtu, unsigned int flags,
- const struct flowi6 *fl6)
+ int exthdrlen, int transhdrlen, int mtu,
+ unsigned int flags, const struct flowi6 *fl6)
{
struct sk_buff *skb;
@@ -1116,7 +1116,7 @@ static inline int ip6_ufo_append_data(struct sock *sk,
skb_put(skb, fragheaderlen + transhdrlen);
/* initialize network header pointer */
- skb_reset_network_header(skb);
+ skb_set_network_header(skb, exthdrlen);
/* initialize protocol header pointer */
skb->transport_header = skb->network_header + fragheaderlen;
@@ -1358,7 +1358,7 @@ emsgsize:
(rt->dst.dev->features & NETIF_F_UFO) &&
(sk->sk_type == SOCK_DGRAM) && !udp_get_no_check6_tx(sk)) {
err = ip6_ufo_append_data(sk, queue, getfrag, from, length,
- hh_len, fragheaderlen,
+ hh_len, fragheaderlen, exthdrlen,
transhdrlen, mtu, flags, fl6);
if (err)
goto error;
diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c
index eb2ac4bb09ce..1f20345cbc97 100644
--- a/net/ipv6/ip6_tunnel.c
+++ b/net/ipv6/ip6_tunnel.c
@@ -252,12 +252,12 @@ static int ip6_tnl_create2(struct net_device *dev)
t = netdev_priv(dev);
+ dev->rtnl_link_ops = &ip6_link_ops;
err = register_netdevice(dev);
if (err < 0)
goto out;
strcpy(t->parms.name, dev->name);
- dev->rtnl_link_ops = &ip6_link_ops;
dev_hold(dev);
ip6_tnl_link(ip6n, t);
diff --git a/net/l2tp/l2tp_ip.c b/net/l2tp/l2tp_ip.c
index ec22078b0914..42de4ccd159f 100644
--- a/net/l2tp/l2tp_ip.c
+++ b/net/l2tp/l2tp_ip.c
@@ -123,12 +123,11 @@ static int l2tp_ip_recv(struct sk_buff *skb)
struct l2tp_tunnel *tunnel = NULL;
int length;
- /* Point to L2TP header */
- optr = ptr = skb->data;
-
if (!pskb_may_pull(skb, 4))
goto discard;
+ /* Point to L2TP header */
+ optr = ptr = skb->data;
session_id = ntohl(*((__be32 *) ptr));
ptr += 4;
@@ -156,6 +155,9 @@ static int l2tp_ip_recv(struct sk_buff *skb)
if (!pskb_may_pull(skb, length))
goto discard;
+ /* Point to L2TP header */
+ optr = ptr = skb->data;
+ ptr += 4;
pr_debug("%s: ip recv\n", tunnel->name);
print_hex_dump_bytes("", DUMP_PREFIX_OFFSET, ptr, length);
}
diff --git a/net/l2tp/l2tp_ip6.c b/net/l2tp/l2tp_ip6.c
index 6b54ff3ff4cb..cd479903d943 100644
--- a/net/l2tp/l2tp_ip6.c
+++ b/net/l2tp/l2tp_ip6.c
@@ -136,12 +136,11 @@ static int l2tp_ip6_recv(struct sk_buff *skb)
struct l2tp_tunnel *tunnel = NULL;
int length;
- /* Point to L2TP header */
- optr = ptr = skb->data;
-
if (!pskb_may_pull(skb, 4))
goto discard;
+ /* Point to L2TP header */
+ optr = ptr = skb->data;
session_id = ntohl(*((__be32 *) ptr));
ptr += 4;
@@ -169,6 +168,9 @@ static int l2tp_ip6_recv(struct sk_buff *skb)
if (!pskb_may_pull(skb, length))
goto discard;
+ /* Point to L2TP header */
+ optr = ptr = skb->data;
+ ptr += 4;
pr_debug("%s: ip recv\n", tunnel->name);
print_hex_dump_bytes("", DUMP_PREFIX_OFFSET, ptr, length);
}
diff --git a/net/mpls/af_mpls.c b/net/mpls/af_mpls.c
index b18c5ed42d95..0b80a7140cc4 100644
--- a/net/mpls/af_mpls.c
+++ b/net/mpls/af_mpls.c
@@ -543,6 +543,9 @@ static struct net_device *find_outdev(struct net *net,
if (!dev)
return ERR_PTR(-ENODEV);
+ if (IS_ERR(dev))
+ return dev;
+
/* The caller is holding rtnl anyways, so release the dev reference */
dev_put(dev);
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index 1ecfa710ca98..f12c17f355d9 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -4151,7 +4151,7 @@ static int packet_set_ring(struct sock *sk, union tpacket_req_u *req_u,
/* Opening a Tx-ring is NOT supported in TPACKET_V3 */
if (!closing && tx_ring && (po->tp_version > TPACKET_V2)) {
- WARN(1, "Tx-ring is not supported.\n");
+ net_warn_ratelimited("Tx-ring is not supported.\n");
goto out;
}
diff --git a/net/rds/ib_recv.c b/net/rds/ib_recv.c
index 977fb86065b7..abc8cc805e8d 100644
--- a/net/rds/ib_recv.c
+++ b/net/rds/ib_recv.c
@@ -796,7 +796,7 @@ static void rds_ib_cong_recv(struct rds_connection *conn,
addr = kmap_atomic(sg_page(&frag->f_sg));
- src = addr + frag_off;
+ src = addr + frag->f_sg.offset + frag_off;
dst = (void *)map->m_page_addrs[map_page] + map_off;
for (k = 0; k < to_copy; k += 8) {
/* Record ports that became uncongested, ie
diff --git a/net/rds/page.c b/net/rds/page.c
index 616f21f4e7d7..e2b5a5832d3d 100644
--- a/net/rds/page.c
+++ b/net/rds/page.c
@@ -135,8 +135,8 @@ int rds_page_remainder_alloc(struct scatterlist *scat, unsigned long bytes,
if (rem->r_offset != 0)
rds_stats_inc(s_page_remainder_hit);
- rem->r_offset += bytes;
- if (rem->r_offset == PAGE_SIZE) {
+ rem->r_offset += ALIGN(bytes, 8);
+ if (rem->r_offset >= PAGE_SIZE) {
__free_page(rem->r_page);
rem->r_page = NULL;
}
diff --git a/net/sctp/output.c b/net/sctp/output.c
index 97745351d58c..9844fe573029 100644
--- a/net/sctp/output.c
+++ b/net/sctp/output.c
@@ -705,7 +705,8 @@ static sctp_xmit_t sctp_packet_can_append_data(struct sctp_packet *packet,
/* Check whether this chunk and all the rest of pending data will fit
* or delay in hopes of bundling a full sized packet.
*/
- if (chunk->skb->len + q->out_qlen >= transport->pathmtu - packet->overhead)
+ if (chunk->skb->len + q->out_qlen >
+ transport->pathmtu - packet->overhead - sizeof(sctp_data_chunk_t) - 4)
/* Enough data queued to fill a packet */
return SCTP_XMIT_OK;
diff --git a/net/vmw_vsock/vmci_transport.c b/net/vmw_vsock/vmci_transport.c
index 0a369bb440e7..662bdd20a748 100644
--- a/net/vmw_vsock/vmci_transport.c
+++ b/net/vmw_vsock/vmci_transport.c
@@ -842,7 +842,7 @@ static void vmci_transport_peer_detach_cb(u32 sub_id,
* qp_handle.
*/
if (vmci_handle_is_invalid(e_payload->handle) ||
- vmci_handle_is_equal(trans->qp_handle, e_payload->handle))
+ !vmci_handle_is_equal(trans->qp_handle, e_payload->handle))
return;
/* We don't ask for delayed CBs when we subscribe to this event (we
@@ -2154,7 +2154,7 @@ module_exit(vmci_transport_exit);
MODULE_AUTHOR("VMware, Inc.");
MODULE_DESCRIPTION("VMCI transport for Virtual Sockets");
-MODULE_VERSION("1.0.2.0-k");
+MODULE_VERSION("1.0.3.0-k");
MODULE_LICENSE("GPL v2");
MODULE_ALIAS("vmware_vsock");
MODULE_ALIAS_NETPROTO(PF_VSOCK);