GNU General Public License for more details.
*******************************************************************************/
-#include <linux/config.h>
#include <linux/errno.h>
#include <linux/types.h>
#include <linux/socket.h>
#include <net/neighbour.h>
#include <net/dst.h>
#include <net/flow.h>
+#include <net/fib_rules.h>
#include <net/dn.h>
#include <net/dn_dev.h>
#include <net/dn_nsp.h>
.entries = ATOMIC_INIT(0),
};
-static __inline__ unsigned dn_hash(unsigned short src, unsigned short dst)
+static __inline__ unsigned dn_hash(__le16 src, __le16 dst)
{
- unsigned short tmp = src ^ dst;
+ __u16 tmp = (__u16 __force)(src ^ dst);
tmp ^= (tmp >> 3);
tmp ^= (tmp >> 5);
tmp ^= (tmp >> 10);
static inline void dnrt_drop(struct dn_route *rt)
{
- if (rt)
- dst_release(&rt->u.dst);
+ dst_release(&rt->u.dst);
call_rcu_bh(&rt->u.dst.rcu_head, dst_rcu_free);
}
static inline int compare_keys(struct flowi *fl1, struct flowi *fl2)
{
- return memcmp(&fl1->nl_u.dn_u, &fl2->nl_u.dn_u, sizeof(fl1->nl_u.dn_u)) == 0 &&
- fl1->oif == fl2->oif &&
- fl1->iif == fl2->iif;
+ return ((fl1->nl_u.dn_u.daddr ^ fl2->nl_u.dn_u.daddr) |
+ (fl1->nl_u.dn_u.saddr ^ fl2->nl_u.dn_u.saddr) |
+ (fl1->mark ^ fl2->mark) |
+ (fl1->nl_u.dn_u.scope ^ fl2->nl_u.dn_u.scope) |
+ (fl1->oif ^ fl2->oif) |
+ (fl1->iif ^ fl2->iif)) == 0;
}
static int dn_insert_route(struct dn_route *rt, unsigned hash, struct dn_route **rp)
{
struct dn_skb_cb *cb;
unsigned char *ptr;
- dn_address *src;
- dn_address *dst;
- dn_address tmp;
+ __le16 *src;
+ __le16 *dst;
+ __le16 tmp;
/* Add back headers */
skb_push(skb, skb->data - skb->nh.raw);
ptr = skb->data + 2;
*ptr++ = (cb->rt_flags & ~DN_RT_F_RQR) | DN_RT_F_RTS;
- dst = (dn_address *)ptr;
+ dst = (__le16 *)ptr;
ptr += 2;
- src = (dn_address *)ptr;
+ src = (__le16 *)ptr;
ptr += 2;
*ptr = 0; /* Zero hop count */
struct dn_skb_cb *cb = DN_SKB_CB(skb);
printk(KERN_DEBUG
"DECnet: dn_route_rx_packet: rt_flags=0x%02x dev=%s len=%d src=0x%04hx dst=0x%04hx err=%d type=%d\n",
- (int)cb->rt_flags, devname, skb->len, cb->src, cb->dst,
+ (int)cb->rt_flags, devname, skb->len,
+ dn_ntohs(cb->src), dn_ntohs(cb->dst),
err, skb->pkt_type);
}
/* Destination info */
ptr += 2;
- cb->dst = dn_htons(dn_eth2dn(ptr));
+ cb->dst = dn_eth2dn(ptr);
if (memcmp(ptr, dn_hiord_addr, 4) != 0)
goto drop_it;
ptr += 6;
/* Source info */
ptr += 2;
- cb->src = dn_htons(dn_eth2dn(ptr));
+ cb->src = dn_eth2dn(ptr);
if (memcmp(ptr, dn_hiord_addr, 4) != 0)
goto drop_it;
ptr += 6;
skb_pull(skb, 5);
skb->h.raw = skb->data;
- cb->dst = *(dn_address *)ptr;
+ cb->dst = *(__le16 *)ptr;
ptr += 2;
- cb->src = *(dn_address *)ptr;
+ cb->src = *(__le16 *)ptr;
ptr += 2;
cb->hops = *ptr & 0x3f;
{
struct dn_skb_cb *cb;
unsigned char flags = 0;
- __u16 len = dn_ntohs(*(__u16 *)skb->data);
+ __u16 len = dn_ntohs(*(__le16 *)skb->data);
struct dn_dev *dn = (struct dn_dev *)dev->dn_ptr;
unsigned char padlen = 0;
padlen);
if (flags & DN_RT_PKT_CNTL) {
- if (unlikely(skb_is_nonlinear(skb)) &&
- skb_linearize(skb, GFP_ATOMIC) != 0)
+ if (unlikely(skb_linearize(skb)))
goto dump_it;
switch(flags & DN_RT_CNTL_MSK) {
struct dn_skb_cb *cb = DN_SKB_CB(skb);
printk(KERN_DEBUG "dn_rt_bug: skb from:%04x to:%04x\n",
- cb->src, cb->dst);
+ dn_ntohs(cb->src), dn_ntohs(cb->dst));
}
kfree_skb(skb);
return 0;
}
-static inline int dn_match_addr(__u16 addr1, __u16 addr2)
+static inline int dn_match_addr(__le16 addr1, __le16 addr2)
{
__u16 tmp = dn_ntohs(addr1) ^ dn_ntohs(addr2);
int match = 16;
return match;
}
-static __u16 dnet_select_source(const struct net_device *dev, __u16 daddr, int scope)
+static __le16 dnet_select_source(const struct net_device *dev, __le16 daddr, int scope)
{
- __u16 saddr = 0;
+ __le16 saddr = 0;
struct dn_dev *dn_db = dev->dn_ptr;
struct dn_ifaddr *ifa;
int best_match = 0;
return saddr;
}
-static inline __u16 __dn_fib_res_prefsrc(struct dn_fib_res *res)
+static inline __le16 __dn_fib_res_prefsrc(struct dn_fib_res *res)
{
return dnet_select_source(DN_FIB_RES_DEV(*res), DN_FIB_RES_GW(*res), res->scope);
}
-static inline __u16 dn_fib_rules_map_destination(__u16 daddr, struct dn_fib_res *res)
+static inline __le16 dn_fib_rules_map_destination(__le16 daddr, struct dn_fib_res *res)
{
- __u16 mask = dnet_make_mask(res->prefixlen);
+ __le16 mask = dnet_make_mask(res->prefixlen);
return (daddr&~mask)|res->fi->fib_nh->nh_gw;
}
{ .daddr = oldflp->fld_dst,
.saddr = oldflp->fld_src,
.scope = RT_SCOPE_UNIVERSE,
-#ifdef CONFIG_DECNET_ROUTE_FWMARK
- .fwmark = oldflp->fld_fwmark
-#endif
} },
+ .mark = oldflp->mark,
.iif = loopback_dev.ifindex,
.oif = oldflp->oif };
struct dn_route *rt = NULL;
struct dn_fib_res res = { .fi = NULL, .type = RTN_UNICAST };
int err;
int free_res = 0;
- __u16 gateway = 0;
+ __le16 gateway = 0;
if (decnet_debug_level & 16)
printk(KERN_DEBUG
"dn_route_output_slow: dst=%04x src=%04x mark=%d"
- " iif=%d oif=%d\n", oldflp->fld_dst, oldflp->fld_src,
- oldflp->fld_fwmark, loopback_dev.ifindex, oldflp->oif);
+ " iif=%d oif=%d\n", dn_ntohs(oldflp->fld_dst),
+ dn_ntohs(oldflp->fld_src),
+ oldflp->mark, loopback_dev.ifindex, oldflp->oif);
/* If we have an output interface, verify its a DECnet device */
if (oldflp->oif) {
for(dev_out = dev_base; dev_out; dev_out = dev_out->next) {
if (!dev_out->dn_ptr)
continue;
- if (dn_dev_islocal(dev_out, oldflp->fld_src))
- break;
+ if (!dn_dev_islocal(dev_out, oldflp->fld_src))
+ continue;
+ if ((dev_out->flags & IFF_LOOPBACK) &&
+ oldflp->fld_dst &&
+ !dn_dev_islocal(dev_out, oldflp->fld_dst))
+ continue;
+ break;
}
read_unlock(&dev_base_lock);
if (dev_out == NULL)
if (decnet_debug_level & 16)
printk(KERN_DEBUG
"dn_route_output_slow: initial checks complete."
- " dst=%o4x src=%04x oif=%d try_hard=%d\n", fl.fld_dst,
- fl.fld_src, fl.oif, try_hard);
+ " dst=%o4x src=%04x oif=%d try_hard=%d\n",
+ dn_ntohs(fl.fld_dst), dn_ntohs(fl.fld_src),
+ fl.oif, try_hard);
/*
* N.B. If the kernel is compiled without router support then
rt->fl.fld_dst = oldflp->fld_dst;
rt->fl.oif = oldflp->oif;
rt->fl.iif = 0;
-#ifdef CONFIG_DECNET_ROUTE_FWMARK
- rt->fl.fld_fwmark = oldflp->fld_fwmark;
-#endif
+ rt->fl.mark = oldflp->mark;
rt->rt_saddr = fl.fld_src;
rt->rt_daddr = fl.fld_dst;
rt = rcu_dereference(rt->u.rt_next)) {
if ((flp->fld_dst == rt->fl.fld_dst) &&
(flp->fld_src == rt->fl.fld_src) &&
-#ifdef CONFIG_DECNET_ROUTE_FWMARK
- (flp->fld_fwmark == rt->fl.fld_fwmark) &&
-#endif
+ (flp->mark == rt->fl.mark) &&
(rt->fl.iif == 0) &&
(rt->fl.oif == flp->oif)) {
rt->u.dst.lastuse = jiffies;
struct neighbour *neigh = NULL;
unsigned hash;
int flags = 0;
- __u16 gateway = 0;
- __u16 local_src = 0;
+ __le16 gateway = 0;
+ __le16 local_src = 0;
struct flowi fl = { .nl_u = { .dn_u =
{ .daddr = cb->dst,
.saddr = cb->src,
.scope = RT_SCOPE_UNIVERSE,
-#ifdef CONFIG_DECNET_ROUTE_FWMARK
- .fwmark = skb->nfmark
-#endif
} },
+ .mark = skb->mark,
.iif = skb->dev->ifindex };
struct dn_fib_res res = { .fi = NULL, .type = RTN_UNREACHABLE };
int err = -EINVAL;
goto e_inval;
res.type = RTN_LOCAL;
- flags |= RTCF_DIRECTSRC;
} else {
- __u16 src_map = fl.fld_src;
+ __le16 src_map = fl.fld_src;
free_res = 1;
out_dev = DN_FIB_RES_DEV(res);
dev_hold(out_dev);
if (res.r)
- src_map = dn_fib_rules_policy(fl.fld_src, &res, &flags);
+ src_map = fl.fld_src; /* no NAT support for now */
gateway = DN_FIB_RES_GW(res);
if (res.type == RTN_NAT) {
goto make_route;
/* Packet was intra-ethernet, so we know its on-link */
- if (cb->rt_flags | DN_RT_F_IE) {
+ if (cb->rt_flags & DN_RT_F_IE) {
gateway = cb->src;
flags |= RTCF_DIRECTSRC;
goto make_route;
rt->fl.fld_dst = cb->dst;
rt->fl.oif = 0;
rt->fl.iif = in_dev->ifindex;
- rt->fl.fld_fwmark = fl.fld_fwmark;
+ rt->fl.mark = fl.mark;
rt->u.dst.flags = DST_HOST;
rt->u.dst.neighbour = neigh;
if ((rt->fl.fld_src == cb->src) &&
(rt->fl.fld_dst == cb->dst) &&
(rt->fl.oif == 0) &&
-#ifdef CONFIG_DECNET_ROUTE_FWMARK
- (rt->fl.fld_fwmark == skb->nfmark) &&
-#endif
+ (rt->fl.mark == skb->mark) &&
(rt->fl.iif == cb->iif)) {
rt->u.dst.lastuse = jiffies;
dst_hold(&rt->u.dst);
struct rtmsg *r;
struct nlmsghdr *nlh;
unsigned char *b = skb->tail;
- struct rta_cacheinfo ci;
+ long expires;
nlh = NLMSG_NEW(skb, pid, seq, event, sizeof(*r), flags);
r = NLMSG_DATA(nlh);
r->rtm_src_len = 0;
r->rtm_tos = 0;
r->rtm_table = RT_TABLE_MAIN;
+ RTA_PUT_U32(skb, RTA_TABLE, RT_TABLE_MAIN);
r->rtm_type = rt->rt_type;
r->rtm_flags = (rt->rt_flags & ~0xFFFF) | RTM_F_CLONED;
r->rtm_scope = RT_SCOPE_UNIVERSE;
RTA_PUT(skb, RTA_GATEWAY, 2, &rt->rt_gateway);
if (rtnetlink_put_metrics(skb, rt->u.dst.metrics) < 0)
goto rtattr_failure;
- ci.rta_lastuse = jiffies_to_clock_t(jiffies - rt->u.dst.lastuse);
- ci.rta_used = rt->u.dst.__use;
- ci.rta_clntref = atomic_read(&rt->u.dst.__refcnt);
- if (rt->u.dst.expires)
- ci.rta_expires = jiffies_to_clock_t(rt->u.dst.expires - jiffies);
- else
- ci.rta_expires = 0;
- ci.rta_error = rt->u.dst.error;
- ci.rta_id = ci.rta_ts = ci.rta_tsage = 0;
- RTA_PUT(skb, RTA_CACHEINFO, sizeof(ci), &ci);
+ expires = rt->u.dst.expires ? rt->u.dst.expires - jiffies : 0;
+ if (rtnl_put_cacheinfo(skb, &rt->u.dst, 0, 0, 0, expires,
+ rt->u.dst.error) < 0)
+ goto rtattr_failure;
if (rt->fl.iif)
RTA_PUT(skb, RTA_IIF, sizeof(int), &rt->fl.iif);
if (rtm->rtm_flags & RTM_F_NOTIFY)
rt->rt_flags |= RTCF_NOTIFY;
- NETLINK_CB(skb).dst_pid = NETLINK_CB(in_skb).pid;
-
err = dn_rt_fill_info(skb, NETLINK_CB(in_skb).pid, nlh->nlmsg_seq, RTM_NEWROUTE, 0, 0);
if (err == 0)
goto out_free;
}
- err = netlink_unicast(rtnl, skb, NETLINK_CB(in_skb).pid, MSG_DONTWAIT);
-
- return err;
+ return rtnl_unicast(skb, NETLINK_CB(in_skb).pid);
out_free:
kfree_skb(skb);
{
int i, goal, order;
- dn_dst_ops.kmem_cachep = kmem_cache_create("dn_dst_cache",
- sizeof(struct dn_route),
- 0, SLAB_HWCACHE_ALIGN,
- NULL, NULL);
-
- if (!dn_dst_ops.kmem_cachep)
- panic("DECnet: Failed to allocate dn_dst_cache\n");
-
+ dn_dst_ops.kmem_cachep =
+ kmem_cache_create("dn_dst_cache", sizeof(struct dn_route), 0,
+ SLAB_HWCACHE_ALIGN|SLAB_PANIC, NULL, NULL);
init_timer(&dn_route_timer);
dn_route_timer.function = dn_dst_check_expire;
dn_route_timer.expires = jiffies + decnet_dst_gc_interval * HZ;
git://git.onelab.eu / linux-2.6.git / blobdiff