#include <asm/system.h>
#include <asm/div64.h>
#include <asm/bug.h>
-#include <asm/highmem.h>
+#include <linux/highmem.h>
#include <linux/netfilter_bridge.h>
#include <linux/netfilter_ipv4.h>
#include <linux/inetdevice.h>
* be reverified). If we receive a packet with CHECKSUM_HW that really means
* CHECKSUM_PARTIAL, it will be sent with the wrong checksum. However, there
* shouldn't be any devices that do this with bridging. */
-void
-compute_ip_summed(struct sk_buff *skb, bool xmit)
+void compute_ip_summed(struct sk_buff *skb, bool xmit)
{
/* For our convenience these defines change repeatedly between kernel
* versions, so we can't just copy them over... */
* is slightly different because we are only concerned with bridging and not
* other types of forwarding and can get away with slightly more optimal
* behavior.*/
-void
-forward_ip_summed(struct sk_buff *skb)
+void forward_ip_summed(struct sk_buff *skb)
{
#ifdef CHECKSUM_HW
if (OVS_CB(skb)->ip_summed == OVS_CSUM_COMPLETE)
/* Append each packet in 'skb' list to 'queue'. There will be only one packet
* unless we broke up a GSO packet. */
-static int
-queue_control_packets(struct sk_buff *skb, struct sk_buff_head *queue,
- int queue_no, u32 arg)
+static int queue_control_packets(struct sk_buff *skb, struct sk_buff_head *queue,
+ int queue_no, u32 arg)
{
struct sk_buff *nskb;
int port_no;
nskb = skb->next;
skb->next = NULL;
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,22)
- /* Until 2.6.22, the start of the transport header was
- * also the start of data to be checksummed. Linux
- * 2.6.22 introduced the csum_start field for this
- * purpose, but we should point the transport header to
- * it anyway for backward compatibility, as
- * dev_queue_xmit() does even in 2.6.28. */
- skb_set_transport_header(skb, skb->csum_start - skb_headroom(skb));
-#endif
-
err = skb_cow(skb, sizeof *header);
if (err)
goto err_kfree_skbs;
return err;
}
-int
-dp_output_control(struct datapath *dp, struct sk_buff *skb, int queue_no,
- u32 arg)
+int dp_output_control(struct datapath *dp, struct sk_buff *skb, int queue_no,
+ u32 arg)
{
struct dp_stats_percpu *stats;
struct sk_buff_head *queue;
}
}
-static int
-put_port(const struct dp_port *p, struct odp_port __user *uop)
+static int put_port(const struct dp_port *p, struct odp_port __user *uop)
{
struct odp_port op;
return copy_to_user(uop, &op, sizeof op) ? -EFAULT : 0;
}
-static int
-query_port(struct datapath *dp, struct odp_port __user *uport)
+static int query_port(struct datapath *dp, struct odp_port __user *uport)
{
struct odp_port port;
return put_port(dp->ports[port.port], uport);
}
-static int
-do_list_ports(struct datapath *dp, struct odp_port __user *uports, int n_ports)
+static int do_list_ports(struct datapath *dp, struct odp_port __user *uports,
+ int n_ports)
{
int idx = 0;
if (n_ports) {
return idx;
}
-static int
-list_ports(struct datapath *dp, struct odp_portvec __user *upv)
+static int list_ports(struct datapath *dp, struct odp_portvec __user *upv)
{
struct odp_portvec pv;
int retval;
kfree(g);
}
-static int
-do_set_port_group(struct datapath *dp, u16 __user *ports, int n_ports, int group)
+static int do_set_port_group(struct datapath *dp, u16 __user *ports,
+ int n_ports, int group)
{
struct dp_port_group *new_group, *old_group;
int error;
return error;
}
-static int
-set_port_group(struct datapath *dp, const struct odp_port_group __user *upg)
+static int set_port_group(struct datapath *dp,
+ const struct odp_port_group __user *upg)
{
struct odp_port_group pg;
return do_set_port_group(dp, pg.ports, pg.n_ports, pg.group);
}
-static int
-do_get_port_group(struct datapath *dp,
- u16 __user *ports, int n_ports, int group,
- u16 __user *n_portsp)
+static int do_get_port_group(struct datapath *dp,
+ u16 __user *ports, int n_ports, int group,
+ u16 __user *n_portsp)
{
struct dp_port_group *g;
u16 n_copy;
retval = 0;
if (skb->ip_summed == CHECKSUM_PARTIAL) {
- __wsum csum = 0;
- int csum_start, csum_offset;
+ if (copy_bytes == skb->len) {
+ __wsum csum = 0;
+ unsigned int csum_start, csum_offset;
- csum_start = skb_transport_header(skb) - skb->data;
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,22)
- csum_offset = skb->csum_offset;
+ csum_start = skb->csum_start - skb_headroom(skb);
+ csum_offset = skb->csum_offset;
#else
- csum_offset = skb->csum;
+ csum_start = skb_transport_header(skb) - skb->data;
+ csum_offset = skb->csum;
#endif
- if (csum_start + csum_offset + sizeof(__sum16) <= copy_bytes) {
+ BUG_ON(csum_start >= skb_headlen(skb));
retval = skb_copy_and_csum_datagram(skb, csum_start, buf + csum_start,
copy_bytes - csum_start, &csum);
-
if (!retval) {
__sum16 __user *csump;
copy_bytes = csum_start;
csump = (__sum16 __user *)(buf + csum_start + csum_offset);
+
+ BUG_ON((char *)csump + sizeof(__sum16) > buf + nbytes);
put_user(csum_fold(csum), csump);
}
- }
+ } else
+ retval = skb_checksum_help(skb);
}
if (!retval) {
projects / openvswitch / blobdiff