1 files changed, 6 insertions, 41 deletions

diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c
index d156b3c5f363..92db7a69f2b9 100644
--- a/net/ipv4/af_inet.c
+++ b/net/ipv4/af_inet.c
@@ -418,10 +418,6 @@ int inet_release(struct socket *sock)
 }
 EXPORT_SYMBOL(inet_release);
 
-/* It is off by default, see below. */
-int sysctl_ip_nonlocal_bind __read_mostly;
-EXPORT_SYMBOL(sysctl_ip_nonlocal_bind);
-
 int inet_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
 {
         struct sockaddr_in *addr = (struct sockaddr_in *)uaddr;
@@ -461,7 +457,7 @@ int inet_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
          *  is temporarily down)
          */
         err = -EADDRNOTAVAIL;
-        if (!sysctl_ip_nonlocal_bind &&
+        if (!net->ipv4.sysctl_ip_nonlocal_bind &&
             !(inet->freebind || inet->transparent) &&
             addr->sin_addr.s_addr != htonl(INADDR_ANY) &&
             chk_addr_ret != RTN_LOCAL &&
@@ -1201,40 +1197,6 @@ int inet_sk_rebuild_header(struct sock *sk)
 }
 EXPORT_SYMBOL(inet_sk_rebuild_header);
 
-static int inet_gso_send_check(struct sk_buff *skb)
-{
-        const struct net_offload *ops;
-        const struct iphdr *iph;
-        int proto;
-        int ihl;
-        int err = -EINVAL;
-
-        if (unlikely(!pskb_may_pull(skb, sizeof(*iph))))
-                goto out;
-
-        iph = ip_hdr(skb);
-        ihl = iph->ihl * 4;
-        if (ihl < sizeof(*iph))
-                goto out;
-
-        proto = iph->protocol;
-
-        /* Warning: after this point, iph might be no longer valid */
-        if (unlikely(!pskb_may_pull(skb, ihl)))
-                goto out;
-        __skb_pull(skb, ihl);
-
-        skb_reset_transport_header(skb);
-        err = -EPROTONOSUPPORT;
-
-        ops = rcu_dereference(inet_offloads[proto]);
-        if (likely(ops && ops->callbacks.gso_send_check))
-                err = ops->callbacks.gso_send_check(skb);
-
-out:
-        return err;
-}
-
 static struct sk_buff *inet_gso_segment(struct sk_buff *skb,
                                         netdev_features_t features)
 {
@@ -1407,6 +1369,9 @@ static struct sk_buff **inet_gro_receive(struct sk_buff **head,
          * immediately following this IP hdr.
          */
 
+        /* Note : No need to call skb_gro_postpull_rcsum() here,
+         * as we already checked checksum over ipv4 header was 0
+         */
         skb_gro_pull(skb, sizeof(*iph));
         skb_set_transport_header(skb, skb_gro_offset(skb));
 
@@ -1659,7 +1624,6 @@ static int ipv4_proc_init(void);
 static struct packet_offload ip_packet_offload __read_mostly = {
         .type = cpu_to_be16(ETH_P_IP),
         .callbacks = {
-                .gso_send_check = inet_gso_send_check,
                 .gso_segment = inet_gso_segment,
                 .gro_receive = inet_gro_receive,
                 .gro_complete = inet_gro_complete,
@@ -1668,8 +1632,9 @@ static struct packet_offload ip_packet_offload __read_mostly = {
 
 static const struct net_offload ipip_offload = {
         .callbacks = {
-                .gso_send_check = inet_gso_send_check,
                 .gso_segment    = inet_gso_segment,
+                .gro_receive    = inet_gro_receive,
+                .gro_complete   = inet_gro_complete,
         },
 };