diff options
Diffstat (limited to 'net')
-rw-r--r-- | net/core/skbuff.c | 27 | ||||
-rw-r--r-- | net/ieee802154/6lowpan_iphc.c | 2 | ||||
-rw-r--r-- | net/ipv4/ip_gre.c | 2 | ||||
-rw-r--r-- | net/ipv4/ip_input.c | 2 | ||||
-rw-r--r-- | net/ipv4/ip_tunnel.c | 3 | ||||
-rw-r--r-- | net/ipv6/ip6_input.c | 2 | ||||
-rw-r--r-- | net/llc/llc_output.c | 2 | ||||
-rw-r--r-- | net/rxrpc/ar-connection.c | 2 | ||||
-rw-r--r-- | net/rxrpc/ar-recvmsg.c | 7 | ||||
-rw-r--r-- | net/sched/sch_tbf.c | 13 |
10 files changed, 44 insertions, 18 deletions
diff --git a/net/core/skbuff.c b/net/core/skbuff.c index 8f519dbb358..5976ef0846b 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 083f905bf10..860aa2d445b 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 e7a92fdb36f..ec4f762efda 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 054a3e97d82..3d4da2c16b6 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 c0e3cb72ad7..bd28f386bd0 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 302d6fb1ff2..51d54dc376f 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 2dae8a5df23..94425e42121 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 4106ca95ec8..7bf5b5b9e8b 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 898492a8d61..34b5490dde6 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 fbba5b0ec12..1cb413fead8 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); } |