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-rw-r--r--net/ipv6/addrconf.c10
-rw-r--r--net/ipv6/icmp.c9
-rw-r--r--net/ipv6/ip6_flowlabel.c2
-rw-r--r--net/ipv6/ip6_output.c71
-rw-r--r--net/ipv6/mcast.c2
-rw-r--r--net/ipv6/proc.c4
6 files changed, 78 insertions, 20 deletions
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index a970b4727ce8..41edc14851e8 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -75,7 +75,7 @@
#ifdef CONFIG_IPV6_PRIVACY
#include <linux/random.h>
#include <linux/crypto.h>
-#include <asm/scatterlist.h>
+#include <linux/scatterlist.h>
#endif
#include <asm/uaccess.h>
@@ -1217,12 +1217,8 @@ static int __ipv6_regen_rndid(struct inet6_dev *idev)
struct net_device *dev;
struct scatterlist sg[2];
- sg[0].page = virt_to_page(idev->entropy);
- sg[0].offset = offset_in_page(idev->entropy);
- sg[0].length = 8;
- sg[1].page = virt_to_page(idev->work_eui64);
- sg[1].offset = offset_in_page(idev->work_eui64);
- sg[1].length = 8;
+ sg_set_buf(&sg[0], idev->entropy, 8);
+ sg_set_buf(&sg[1], idev->work_eui64, 8);
dev = idev->dev;
diff --git a/net/ipv6/icmp.c b/net/ipv6/icmp.c
index b7185fb3377c..23e540365a14 100644
--- a/net/ipv6/icmp.c
+++ b/net/ipv6/icmp.c
@@ -700,10 +700,7 @@ int __init icmpv6_init(struct net_proto_family *ops)
struct sock *sk;
int err, i, j;
- for (i = 0; i < NR_CPUS; i++) {
- if (!cpu_possible(i))
- continue;
-
+ for_each_cpu(i) {
err = sock_create_kern(PF_INET6, SOCK_RAW, IPPROTO_ICMPV6,
&per_cpu(__icmpv6_socket, i));
if (err < 0) {
@@ -749,9 +746,7 @@ void icmpv6_cleanup(void)
{
int i;
- for (i = 0; i < NR_CPUS; i++) {
- if (!cpu_possible(i))
- continue;
+ for_each_cpu(i) {
sock_release(per_cpu(__icmpv6_socket, i));
}
inet6_del_protocol(&icmpv6_protocol, IPPROTO_ICMPV6);
diff --git a/net/ipv6/ip6_flowlabel.c b/net/ipv6/ip6_flowlabel.c
index f841bde30c18..bbbe80cdaf72 100644
--- a/net/ipv6/ip6_flowlabel.c
+++ b/net/ipv6/ip6_flowlabel.c
@@ -483,7 +483,7 @@ int ipv6_flowlabel_opt(struct sock *sk, char __user *optval, int optlen)
goto done;
}
fl1 = sfl->fl;
- atomic_inc(&fl->users);
+ atomic_inc(&fl1->users);
break;
}
}
diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
index 563b442ffab8..614296a920c6 100644
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -147,7 +147,8 @@ static int ip6_output2(struct sk_buff *skb)
int ip6_output(struct sk_buff *skb)
{
- if (skb->len > dst_mtu(skb->dst) || dst_allfrag(skb->dst))
+ if ((skb->len > dst_mtu(skb->dst) && !skb_shinfo(skb)->ufo_size) ||
+ dst_allfrag(skb->dst))
return ip6_fragment(skb, ip6_output2);
else
return ip6_output2(skb);
@@ -768,6 +769,65 @@ out_err_release:
*dst = NULL;
return err;
}
+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)
+
+{
+ struct sk_buff *skb;
+ int err;
+
+ /* There is support for UDP large send offload by network
+ * device, so create one single skb packet containing complete
+ * udp datagram
+ */
+ if ((skb = skb_peek_tail(&sk->sk_write_queue)) == NULL) {
+ skb = sock_alloc_send_skb(sk,
+ hh_len + fragheaderlen + transhdrlen + 20,
+ (flags & MSG_DONTWAIT), &err);
+ if (skb == NULL)
+ return -ENOMEM;
+
+ /* reserve space for Hardware header */
+ skb_reserve(skb, hh_len);
+
+ /* create space for UDP/IP header */
+ skb_put(skb,fragheaderlen + transhdrlen);
+
+ /* initialize network header pointer */
+ skb->nh.raw = skb->data;
+
+ /* initialize protocol header pointer */
+ skb->h.raw = skb->data + fragheaderlen;
+
+ skb->ip_summed = CHECKSUM_HW;
+ skb->csum = 0;
+ sk->sk_sndmsg_off = 0;
+ }
+
+ err = skb_append_datato_frags(sk,skb, getfrag, from,
+ (length - transhdrlen));
+ if (!err) {
+ struct frag_hdr fhdr;
+
+ /* specify the length of each IP datagram fragment*/
+ skb_shinfo(skb)->ufo_size = (mtu - fragheaderlen) -
+ sizeof(struct frag_hdr);
+ ipv6_select_ident(skb, &fhdr);
+ skb_shinfo(skb)->ip6_frag_id = fhdr.identification;
+ __skb_queue_tail(&sk->sk_write_queue, skb);
+
+ return 0;
+ }
+ /* There is not enough support do UPD LSO,
+ * so follow normal path
+ */
+ kfree_skb(skb);
+
+ return err;
+}
int ip6_append_data(struct sock *sk, int getfrag(void *from, char *to,
int offset, int len, int odd, struct sk_buff *skb),
@@ -860,6 +920,15 @@ int ip6_append_data(struct sock *sk, int getfrag(void *from, char *to,
*/
inet->cork.length += length;
+ if (((length > mtu) && (sk->sk_protocol == IPPROTO_UDP)) &&
+ (rt->u.dst.dev->features & NETIF_F_UFO)) {
+
+ if(ip6_ufo_append_data(sk, getfrag, from, length, hh_len,
+ fragheaderlen, transhdrlen, mtu, flags))
+ goto error;
+
+ return 0;
+ }
if ((skb = skb_peek_tail(&sk->sk_write_queue)) == NULL)
goto alloc_new_skb;
diff --git a/net/ipv6/mcast.c b/net/ipv6/mcast.c
index 39a96c768102..c4f2a0ef7489 100644
--- a/net/ipv6/mcast.c
+++ b/net/ipv6/mcast.c
@@ -164,7 +164,7 @@ static int ip6_mc_leave_src(struct sock *sk, struct ipv6_mc_socklist *iml,
#define MLDV2_MASK(value, nb) ((nb)>=32 ? (value) : ((1<<(nb))-1) & (value))
#define MLDV2_EXP(thresh, nbmant, nbexp, value) \
((value) < (thresh) ? (value) : \
- ((MLDV2_MASK(value, nbmant) | (1<<(nbmant+nbexp))) << \
+ ((MLDV2_MASK(value, nbmant) | (1<<(nbmant))) << \
(MLDV2_MASK((value) >> (nbmant), nbexp) + (nbexp))))
#define MLDV2_QQIC(value) MLDV2_EXP(0x80, 4, 3, value)
diff --git a/net/ipv6/proc.c b/net/ipv6/proc.c
index 334a5967831e..50a13e75d70e 100644
--- a/net/ipv6/proc.c
+++ b/net/ipv6/proc.c
@@ -140,9 +140,7 @@ fold_field(void *mib[], int offt)
unsigned long res = 0;
int i;
- for (i = 0; i < NR_CPUS; i++) {
- if (!cpu_possible(i))
- continue;
+ for_each_cpu(i) {
res += *(((unsigned long *)per_cpu_ptr(mib[0], i)) + offt);
res += *(((unsigned long *)per_cpu_ptr(mib[1], i)) + offt);
}