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-rw-r--r--drivers/char/random.c15
-rw-r--r--drivers/net/benet/be_cmds.c2
-rw-r--r--drivers/net/benet/be_cmds.h2
-rw-r--r--drivers/net/benet/be_main.c6
-rw-r--r--drivers/net/netxen/netxen_nic.h5
-rw-r--r--drivers/net/netxen/netxen_nic_init.c72
-rw-r--r--drivers/net/netxen/netxen_nic_main.c4
-rw-r--r--drivers/net/virtio_net.c10
-rw-r--r--include/linux/random.h1
-rw-r--r--include/net/inetpeer.h13
-rw-r--r--include/net/ipv6.h12
-rw-r--r--net/ipv4/inetpeer.c7
-rw-r--r--net/ipv4/ip_output.c6
-rw-r--r--net/ipv6/ip6_output.c36
-rw-r--r--net/ipv6/route.c33
-rw-r--r--net/ipv6/udp.c2
16 files changed, 162 insertions, 64 deletions
diff --git a/drivers/char/random.c b/drivers/char/random.c
index d4ddeba56682..729281961f22 100644
--- a/drivers/char/random.c
+++ b/drivers/char/random.c
@@ -1523,6 +1523,21 @@ __u32 secure_ip_id(__be32 daddr)
return half_md4_transform(hash, keyptr->secret);
}
+__u32 secure_ipv6_id(const __be32 daddr[4])
+{
+ const struct keydata *keyptr;
+ __u32 hash[4];
+
+ keyptr = get_keyptr();
+
+ hash[0] = (__force __u32)daddr[0];
+ hash[1] = (__force __u32)daddr[1];
+ hash[2] = (__force __u32)daddr[2];
+ hash[3] = (__force __u32)daddr[3];
+
+ return half_md4_transform(hash, keyptr->secret);
+}
+
#ifdef CONFIG_INET
__u32 secure_tcp_sequence_number(__be32 saddr, __be32 daddr,
diff --git a/drivers/net/benet/be_cmds.c b/drivers/net/benet/be_cmds.c
index f520a5c75032..054fa67bc4e3 100644
--- a/drivers/net/benet/be_cmds.c
+++ b/drivers/net/benet/be_cmds.c
@@ -2390,7 +2390,7 @@ err:
}
/* Uses mbox */
-int be_cmd_check_native_mode(struct be_adapter *adapter)
+int be_cmd_req_native_mode(struct be_adapter *adapter)
{
struct be_mcc_wrb *wrb;
struct be_cmd_req_set_func_cap *req;
diff --git a/drivers/net/benet/be_cmds.h b/drivers/net/benet/be_cmds.h
index 1151df6b0020..8e4d48824fe9 100644
--- a/drivers/net/benet/be_cmds.h
+++ b/drivers/net/benet/be_cmds.h
@@ -1545,7 +1545,7 @@ extern int be_cmd_set_qos(struct be_adapter *adapter, u32 bps, u32 domain);
extern void be_detect_dump_ue(struct be_adapter *adapter);
extern int be_cmd_get_die_temperature(struct be_adapter *adapter);
extern int be_cmd_get_cntl_attributes(struct be_adapter *adapter);
-extern int be_cmd_check_native_mode(struct be_adapter *adapter);
+extern int be_cmd_req_native_mode(struct be_adapter *adapter);
extern int be_cmd_get_reg_len(struct be_adapter *adapter, u32 *log_size);
extern void be_cmd_get_regs(struct be_adapter *adapter, u32 buf_len, void *buf);
diff --git a/drivers/net/benet/be_main.c b/drivers/net/benet/be_main.c
index ae2d2622a18e..c411bb1845fd 100644
--- a/drivers/net/benet/be_main.c
+++ b/drivers/net/benet/be_main.c
@@ -2511,6 +2511,8 @@ static int be_setup(struct be_adapter *adapter)
int status;
u8 mac[ETH_ALEN];
+ be_cmd_req_native_mode(adapter);
+
cap_flags = en_flags = BE_IF_FLAGS_UNTAGGED |
BE_IF_FLAGS_BROADCAST |
BE_IF_FLAGS_MULTICAST;
@@ -2618,6 +2620,8 @@ static int be_clear(struct be_adapter *adapter)
be_cmd_if_destroy(adapter, adapter->if_handle, 0);
+ adapter->be3_native = 0;
+
/* tell fw we're done with firing cmds */
be_cmd_fw_clean(adapter);
return 0;
@@ -3215,8 +3219,6 @@ static int be_get_config(struct be_adapter *adapter)
if (status)
return status;
- be_cmd_check_native_mode(adapter);
-
if ((num_vfs && adapter->sriov_enabled) ||
(adapter->function_mode & 0x400) ||
lancer_chip(adapter) || !be_physfn(adapter)) {
diff --git a/drivers/net/netxen/netxen_nic.h b/drivers/net/netxen/netxen_nic.h
index 77220687b92a..f744d291218a 100644
--- a/drivers/net/netxen/netxen_nic.h
+++ b/drivers/net/netxen/netxen_nic.h
@@ -53,8 +53,8 @@
#define _NETXEN_NIC_LINUX_MAJOR 4
#define _NETXEN_NIC_LINUX_MINOR 0
-#define _NETXEN_NIC_LINUX_SUBVERSION 75
-#define NETXEN_NIC_LINUX_VERSIONID "4.0.75"
+#define _NETXEN_NIC_LINUX_SUBVERSION 76
+#define NETXEN_NIC_LINUX_VERSIONID "4.0.76"
#define NETXEN_VERSION_CODE(a, b, c) (((a) << 24) + ((b) << 16) + (c))
#define _major(v) (((v) >> 24) & 0xff)
@@ -1302,6 +1302,7 @@ int netxen_nic_wol_supported(struct netxen_adapter *adapter);
int netxen_init_dummy_dma(struct netxen_adapter *adapter);
void netxen_free_dummy_dma(struct netxen_adapter *adapter);
+int netxen_check_flash_fw_compatibility(struct netxen_adapter *adapter);
int netxen_phantom_init(struct netxen_adapter *adapter, int pegtune_val);
int netxen_load_firmware(struct netxen_adapter *adapter);
int netxen_need_fw_reset(struct netxen_adapter *adapter);
diff --git a/drivers/net/netxen/netxen_nic_init.c b/drivers/net/netxen/netxen_nic_init.c
index ca59b4f026f0..e8993a76a080 100644
--- a/drivers/net/netxen/netxen_nic_init.c
+++ b/drivers/net/netxen/netxen_nic_init.c
@@ -964,6 +964,35 @@ netxen_need_fw_reset(struct netxen_adapter *adapter)
return 0;
}
+#define NETXEN_MIN_P3_FW_SUPP NETXEN_VERSION_CODE(4, 0, 505)
+
+int
+netxen_check_flash_fw_compatibility(struct netxen_adapter *adapter)
+{
+ u32 flash_fw_ver, min_fw_ver;
+
+ if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
+ return 0;
+
+ if (netxen_rom_fast_read(adapter,
+ NX_FW_VERSION_OFFSET, (int *)&flash_fw_ver)) {
+ dev_err(&adapter->pdev->dev, "Unable to read flash fw"
+ "version\n");
+ return -EIO;
+ }
+
+ flash_fw_ver = NETXEN_DECODE_VERSION(flash_fw_ver);
+ min_fw_ver = NETXEN_MIN_P3_FW_SUPP;
+ if (flash_fw_ver >= min_fw_ver)
+ return 0;
+
+ dev_info(&adapter->pdev->dev, "Flash fw[%d.%d.%d] is < min fw supported"
+ "[4.0.505]. Please update firmware on flash\n",
+ _major(flash_fw_ver), _minor(flash_fw_ver),
+ _build(flash_fw_ver));
+ return -EINVAL;
+}
+
static char *fw_name[] = {
NX_P2_MN_ROMIMAGE_NAME,
NX_P3_CT_ROMIMAGE_NAME,
@@ -1071,10 +1100,12 @@ static int
netxen_validate_firmware(struct netxen_adapter *adapter)
{
__le32 val;
- u32 ver, min_ver, bios;
+ __le32 flash_fw_ver;
+ u32 file_fw_ver, min_ver, bios;
struct pci_dev *pdev = adapter->pdev;
const struct firmware *fw = adapter->fw;
u8 fw_type = adapter->fw_type;
+ u32 crbinit_fix_fw;
if (fw_type == NX_UNIFIED_ROMIMAGE) {
if (netxen_nic_validate_unified_romimage(adapter))
@@ -1091,16 +1122,18 @@ netxen_validate_firmware(struct netxen_adapter *adapter)
val = nx_get_fw_version(adapter);
if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
- min_ver = NETXEN_VERSION_CODE(4, 0, 216);
+ min_ver = NETXEN_MIN_P3_FW_SUPP;
else
min_ver = NETXEN_VERSION_CODE(3, 4, 216);
- ver = NETXEN_DECODE_VERSION(val);
+ file_fw_ver = NETXEN_DECODE_VERSION(val);
- if ((_major(ver) > _NETXEN_NIC_LINUX_MAJOR) || (ver < min_ver)) {
+ if ((_major(file_fw_ver) > _NETXEN_NIC_LINUX_MAJOR) ||
+ (file_fw_ver < min_ver)) {
dev_err(&pdev->dev,
"%s: firmware version %d.%d.%d unsupported\n",
- fw_name[fw_type], _major(ver), _minor(ver), _build(ver));
+ fw_name[fw_type], _major(file_fw_ver), _minor(file_fw_ver),
+ _build(file_fw_ver));
return -EINVAL;
}
@@ -1112,17 +1145,34 @@ netxen_validate_firmware(struct netxen_adapter *adapter)
return -EINVAL;
}
- /* check if flashed firmware is newer */
if (netxen_rom_fast_read(adapter,
- NX_FW_VERSION_OFFSET, (int *)&val))
+ NX_FW_VERSION_OFFSET, (int *)&flash_fw_ver)) {
+ dev_err(&pdev->dev, "Unable to read flash fw version\n");
return -EIO;
- val = NETXEN_DECODE_VERSION(val);
- if (val > ver) {
- dev_info(&pdev->dev, "%s: firmware is older than flash\n",
- fw_name[fw_type]);
+ }
+ flash_fw_ver = NETXEN_DECODE_VERSION(flash_fw_ver);
+
+ /* New fw from file is not allowed, if fw on flash is < 4.0.554 */
+ crbinit_fix_fw = NETXEN_VERSION_CODE(4, 0, 554);
+ if (file_fw_ver >= crbinit_fix_fw && flash_fw_ver < crbinit_fix_fw &&
+ NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
+ dev_err(&pdev->dev, "Incompatibility detected between driver "
+ "and firmware version on flash. This configuration "
+ "is not recommended. Please update the firmware on "
+ "flash immediately\n");
return -EINVAL;
}
+ /* check if flashed firmware is newer only for no-mn and P2 case*/
+ if (!netxen_p3_has_mn(adapter) ||
+ NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
+ if (flash_fw_ver > file_fw_ver) {
+ dev_info(&pdev->dev, "%s: firmware is older than flash\n",
+ fw_name[fw_type]);
+ return -EINVAL;
+ }
+ }
+
NXWR32(adapter, NETXEN_CAM_RAM(0x1fc), NETXEN_BDINFO_MAGIC);
return 0;
}
diff --git a/drivers/net/netxen/netxen_nic_main.c b/drivers/net/netxen/netxen_nic_main.c
index 30f41e62049a..f574edff7fcb 100644
--- a/drivers/net/netxen/netxen_nic_main.c
+++ b/drivers/net/netxen/netxen_nic_main.c
@@ -1388,6 +1388,10 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
break;
}
+ err = netxen_check_flash_fw_compatibility(adapter);
+ if (err)
+ goto err_out_iounmap;
+
if (adapter->portnum == 0) {
val = NXRD32(adapter, NX_CRB_DEV_REF_COUNT);
if (val != 0xffffffff && val != 0) {
diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
index fbea637eb742..0c7321c35ad4 100644
--- a/drivers/net/virtio_net.c
+++ b/drivers/net/virtio_net.c
@@ -705,14 +705,6 @@ static void virtnet_netpoll(struct net_device *dev)
}
#endif
-static void virtnet_free(struct net_device *dev)
-{
- struct virtnet_info *vi = netdev_priv(dev);
-
- free_percpu(vi->stats);
- free_netdev(dev);
-}
-
static int virtnet_open(struct net_device *dev)
{
struct virtnet_info *vi = netdev_priv(dev);
@@ -959,7 +951,6 @@ static int virtnet_probe(struct virtio_device *vdev)
/* Set up network device as normal. */
dev->netdev_ops = &virtnet_netdev;
dev->features = NETIF_F_HIGHDMA;
- dev->destructor = virtnet_free;
SET_ETHTOOL_OPS(dev, &virtnet_ethtool_ops);
SET_NETDEV_DEV(dev, &vdev->dev);
@@ -1122,6 +1113,7 @@ static void __devexit virtnet_remove(struct virtio_device *vdev)
while (vi->pages)
__free_pages(get_a_page(vi, GFP_KERNEL), 0);
+ free_percpu(vi->stats);
free_netdev(vi->dev);
}
diff --git a/include/linux/random.h b/include/linux/random.h
index fb7ab9de5f36..ce29a040c8dc 100644
--- a/include/linux/random.h
+++ b/include/linux/random.h
@@ -58,6 +58,7 @@ extern void get_random_bytes(void *buf, int nbytes);
void generate_random_uuid(unsigned char uuid_out[16]);
extern __u32 secure_ip_id(__be32 daddr);
+extern __u32 secure_ipv6_id(const __be32 daddr[4]);
extern u32 secure_ipv4_port_ephemeral(__be32 saddr, __be32 daddr, __be16 dport);
extern u32 secure_ipv6_port_ephemeral(const __be32 *saddr, const __be32 *daddr,
__be16 dport);
diff --git a/include/net/inetpeer.h b/include/net/inetpeer.h
index 39d123081e7e..4233e6f9841d 100644
--- a/include/net/inetpeer.h
+++ b/include/net/inetpeer.h
@@ -71,7 +71,7 @@ static inline bool inet_metrics_new(const struct inet_peer *p)
}
/* can be called with or without local BH being disabled */
-struct inet_peer *inet_getpeer(struct inetpeer_addr *daddr, int create);
+struct inet_peer *inet_getpeer(const struct inetpeer_addr *daddr, int create);
static inline struct inet_peer *inet_getpeer_v4(__be32 v4daddr, int create)
{
@@ -106,11 +106,18 @@ static inline void inet_peer_refcheck(const struct inet_peer *p)
/* can be called with or without local BH being disabled */
-static inline __u16 inet_getid(struct inet_peer *p, int more)
+static inline int inet_getid(struct inet_peer *p, int more)
{
+ int old, new;
more++;
inet_peer_refcheck(p);
- return atomic_add_return(more, &p->ip_id_count) - more;
+ do {
+ old = atomic_read(&p->ip_id_count);
+ new = old + more;
+ if (!new)
+ new = 1;
+ } while (atomic_cmpxchg(&p->ip_id_count, old, new) != old);
+ return new;
}
#endif /* _NET_INETPEER_H */
diff --git a/include/net/ipv6.h b/include/net/ipv6.h
index c033ed00df7d..3b5ac1fbff39 100644
--- a/include/net/ipv6.h
+++ b/include/net/ipv6.h
@@ -463,17 +463,7 @@ static inline int ipv6_addr_diff(const struct in6_addr *a1, const struct in6_add
return __ipv6_addr_diff(a1, a2, sizeof(struct in6_addr));
}
-static __inline__ void ipv6_select_ident(struct frag_hdr *fhdr)
-{
- static u32 ipv6_fragmentation_id = 1;
- static DEFINE_SPINLOCK(ip6_id_lock);
-
- spin_lock_bh(&ip6_id_lock);
- fhdr->identification = htonl(ipv6_fragmentation_id);
- if (++ipv6_fragmentation_id == 0)
- ipv6_fragmentation_id = 1;
- spin_unlock_bh(&ip6_id_lock);
-}
+extern void ipv6_select_ident(struct frag_hdr *fhdr, struct rt6_info *rt);
/*
* Prototypes exported by ipv6
diff --git a/net/ipv4/inetpeer.c b/net/ipv4/inetpeer.c
index 90c5f0d1bcf3..e38213817d0a 100644
--- a/net/ipv4/inetpeer.c
+++ b/net/ipv4/inetpeer.c
@@ -391,7 +391,7 @@ static int inet_peer_gc(struct inet_peer_base *base,
return cnt;
}
-struct inet_peer *inet_getpeer(struct inetpeer_addr *daddr, int create)
+struct inet_peer *inet_getpeer(const struct inetpeer_addr *daddr, int create)
{
struct inet_peer __rcu **stack[PEER_MAXDEPTH], ***stackptr;
struct inet_peer_base *base = family_to_base(daddr->family);
@@ -436,7 +436,10 @@ relookup:
p->daddr = *daddr;
atomic_set(&p->refcnt, 1);
atomic_set(&p->rid, 0);
- atomic_set(&p->ip_id_count, secure_ip_id(daddr->addr.a4));
+ atomic_set(&p->ip_id_count,
+ (daddr->family == AF_INET) ?
+ secure_ip_id(daddr->addr.a4) :
+ secure_ipv6_id(daddr->addr.a6));
p->tcp_ts_stamp = 0;
p->metrics[RTAX_LOCK-1] = INETPEER_METRICS_NEW;
p->rate_tokens = 0;
diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c
index be27e609a98b..ccaaa851ab42 100644
--- a/net/ipv4/ip_output.c
+++ b/net/ipv4/ip_output.c
@@ -734,7 +734,7 @@ static inline int ip_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)
+ int transhdrlen, int maxfraglen, unsigned int flags)
{
struct sk_buff *skb;
int err;
@@ -767,7 +767,7 @@ static inline int ip_ufo_append_data(struct sock *sk,
skb->csum = 0;
/* specify the length of each IP datagram fragment */
- skb_shinfo(skb)->gso_size = mtu - fragheaderlen;
+ skb_shinfo(skb)->gso_size = maxfraglen - fragheaderlen;
skb_shinfo(skb)->gso_type = SKB_GSO_UDP;
__skb_queue_tail(queue, skb);
}
@@ -831,7 +831,7 @@ static int __ip_append_data(struct sock *sk,
(rt->dst.dev->features & NETIF_F_UFO) && !rt->dst.header_len) {
err = ip_ufo_append_data(sk, queue, getfrag, from, length,
hh_len, fragheaderlen, transhdrlen,
- mtu, flags);
+ maxfraglen, flags);
if (err)
goto error;
return 0;
diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
index 8db0e4875ad8..32e5339db0c8 100644
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -596,6 +596,31 @@ int ip6_find_1stfragopt(struct sk_buff *skb, u8 **nexthdr)
return offset;
}
+void ipv6_select_ident(struct frag_hdr *fhdr, struct rt6_info *rt)
+{
+ static atomic_t ipv6_fragmentation_id;
+ int old, new;
+
+ if (rt) {
+ struct inet_peer *peer;
+
+ if (!rt->rt6i_peer)
+ rt6_bind_peer(rt, 1);
+ peer = rt->rt6i_peer;
+ if (peer) {
+ fhdr->identification = htonl(inet_getid(peer, 0));
+ return;
+ }
+ }
+ do {
+ old = atomic_read(&ipv6_fragmentation_id);
+ new = old + 1;
+ if (!new)
+ new = 1;
+ } while (atomic_cmpxchg(&ipv6_fragmentation_id, old, new) != old);
+ fhdr->identification = htonl(new);
+}
+
int ip6_fragment(struct sk_buff *skb, int (*output)(struct sk_buff *))
{
struct sk_buff *frag;
@@ -680,7 +705,7 @@ int ip6_fragment(struct sk_buff *skb, int (*output)(struct sk_buff *))
skb_reset_network_header(skb);
memcpy(skb_network_header(skb), tmp_hdr, hlen);
- ipv6_select_ident(fh);
+ ipv6_select_ident(fh, rt);
fh->nexthdr = nexthdr;
fh->reserved = 0;
fh->frag_off = htons(IP6_MF);
@@ -826,7 +851,7 @@ slow_path:
fh->nexthdr = nexthdr;
fh->reserved = 0;
if (!frag_id) {
- ipv6_select_ident(fh);
+ ipv6_select_ident(fh, rt);
frag_id = fh->identification;
} else
fh->identification = frag_id;
@@ -1076,7 +1101,8 @@ static 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)
+ int transhdrlen, int mtu,unsigned int flags,
+ struct rt6_info *rt)
{
struct sk_buff *skb;
@@ -1120,7 +1146,7 @@ static inline int ip6_ufo_append_data(struct sock *sk,
skb_shinfo(skb)->gso_size = (mtu - fragheaderlen -
sizeof(struct frag_hdr)) & ~7;
skb_shinfo(skb)->gso_type = SKB_GSO_UDP;
- ipv6_select_ident(&fhdr);
+ ipv6_select_ident(&fhdr, rt);
skb_shinfo(skb)->ip6_frag_id = fhdr.identification;
__skb_queue_tail(&sk->sk_write_queue, skb);
@@ -1286,7 +1312,7 @@ int ip6_append_data(struct sock *sk, int getfrag(void *from, char *to,
err = ip6_ufo_append_data(sk, getfrag, from, length,
hh_len, fragheaderlen,
- transhdrlen, mtu, flags);
+ transhdrlen, mtu, flags, rt);
if (err)
goto error;
return 0;
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index ddef80f568b0..e8987da06667 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -72,7 +72,8 @@
#define RT6_TRACE(x...) do { ; } while (0)
#endif
-static struct rt6_info * ip6_rt_copy(struct rt6_info *ort);
+static struct rt6_info *ip6_rt_copy(const struct rt6_info *ort,
+ const struct in6_addr *dest);
static struct dst_entry *ip6_dst_check(struct dst_entry *dst, u32 cookie);
static unsigned int ip6_default_advmss(const struct dst_entry *dst);
static unsigned int ip6_default_mtu(const struct dst_entry *dst);
@@ -690,7 +691,8 @@ int ip6_ins_rt(struct rt6_info *rt)
return __ip6_ins_rt(rt, &info);
}
-static struct rt6_info *rt6_alloc_cow(struct rt6_info *ort, const struct in6_addr *daddr,
+static struct rt6_info *rt6_alloc_cow(const struct rt6_info *ort,
+ const struct in6_addr *daddr,
const struct in6_addr *saddr)
{
struct rt6_info *rt;
@@ -699,7 +701,7 @@ static struct rt6_info *rt6_alloc_cow(struct rt6_info *ort, const struct in6_add
* Clone the route.
*/
- rt = ip6_rt_copy(ort);
+ rt = ip6_rt_copy(ort, daddr);
if (rt) {
struct neighbour *neigh;
@@ -707,12 +709,11 @@ static struct rt6_info *rt6_alloc_cow(struct rt6_info *ort, const struct in6_add
if (!(rt->rt6i_flags&RTF_GATEWAY)) {
if (rt->rt6i_dst.plen != 128 &&
- ipv6_addr_equal(&rt->rt6i_dst.addr, daddr))
+ ipv6_addr_equal(&ort->rt6i_dst.addr, daddr))
rt->rt6i_flags |= RTF_ANYCAST;
ipv6_addr_copy(&rt->rt6i_gateway, daddr);
}
- ipv6_addr_copy(&rt->rt6i_dst.addr, daddr);
rt->rt6i_dst.plen = 128;
rt->rt6i_flags |= RTF_CACHE;
rt->dst.flags |= DST_HOST;
@@ -759,11 +760,12 @@ static struct rt6_info *rt6_alloc_cow(struct rt6_info *ort, const struct in6_add
return rt;
}
-static struct rt6_info *rt6_alloc_clone(struct rt6_info *ort, const struct in6_addr *daddr)
+static struct rt6_info *rt6_alloc_clone(struct rt6_info *ort,
+ const struct in6_addr *daddr)
{
- struct rt6_info *rt = ip6_rt_copy(ort);
+ struct rt6_info *rt = ip6_rt_copy(ort, daddr);
+
if (rt) {
- ipv6_addr_copy(&rt->rt6i_dst.addr, daddr);
rt->rt6i_dst.plen = 128;
rt->rt6i_flags |= RTF_CACHE;
rt->dst.flags |= DST_HOST;
@@ -907,7 +909,10 @@ struct dst_entry *ip6_blackhole_route(struct net *net, struct dst_entry *dst_ori
new->input = dst_discard;
new->output = dst_discard;
- dst_copy_metrics(new, &ort->dst);
+ if (dst_metrics_read_only(&ort->dst))
+ new->_metrics = ort->dst._metrics;
+ else
+ dst_copy_metrics(new, &ort->dst);
rt->rt6i_idev = ort->rt6i_idev;
if (rt->rt6i_idev)
in6_dev_hold(rt->rt6i_idev);
@@ -1067,6 +1072,7 @@ struct dst_entry *icmp6_dst_alloc(struct net_device *dev,
rt->rt6i_idev = idev;
dst_set_neighbour(&rt->dst, neigh);
atomic_set(&rt->dst.__refcnt, 1);
+ ipv6_addr_copy(&rt->rt6i_dst.addr, addr);
dst_metric_set(&rt->dst, RTAX_HOPLIMIT, 255);
rt->dst.output = ip6_output;
@@ -1584,7 +1590,7 @@ void rt6_redirect(const struct in6_addr *dest, const struct in6_addr *src,
if (neigh == dst_get_neighbour(&rt->dst))
goto out;
- nrt = ip6_rt_copy(rt);
+ nrt = ip6_rt_copy(rt, dest);
if (nrt == NULL)
goto out;
@@ -1592,7 +1598,6 @@ void rt6_redirect(const struct in6_addr *dest, const struct in6_addr *src,
if (on_link)
nrt->rt6i_flags &= ~RTF_GATEWAY;
- ipv6_addr_copy(&nrt->rt6i_dst.addr, dest);
nrt->rt6i_dst.plen = 128;
nrt->dst.flags |= DST_HOST;
@@ -1730,7 +1735,8 @@ void rt6_pmtu_discovery(const struct in6_addr *daddr, const struct in6_addr *sad
* Misc support functions
*/
-static struct rt6_info * ip6_rt_copy(struct rt6_info *ort)
+static struct rt6_info *ip6_rt_copy(const struct rt6_info *ort,
+ const struct in6_addr *dest)
{
struct net *net = dev_net(ort->rt6i_dev);
struct rt6_info *rt = ip6_dst_alloc(&net->ipv6.ip6_dst_ops,
@@ -1740,6 +1746,8 @@ static struct rt6_info * ip6_rt_copy(struct rt6_info *ort)
rt->dst.input = ort->dst.input;
rt->dst.output = ort->dst.output;
+ ipv6_addr_copy(&rt->rt6i_dst.addr, dest);
+ rt->rt6i_dst.plen = ort->rt6i_dst.plen;
dst_copy_metrics(&rt->dst, &ort->dst);
rt->dst.error = ort->dst.error;
rt->rt6i_idev = ort->rt6i_idev;
@@ -1752,7 +1760,6 @@ static struct rt6_info * ip6_rt_copy(struct rt6_info *ort)
rt->rt6i_flags = ort->rt6i_flags & ~RTF_EXPIRES;
rt->rt6i_metric = 0;
- memcpy(&rt->rt6i_dst, &ort->rt6i_dst, sizeof(struct rt6key));
#ifdef CONFIG_IPV6_SUBTREES
memcpy(&rt->rt6i_src, &ort->rt6i_src, sizeof(struct rt6key));
#endif
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index 328985c40883..29213b51c499 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -1359,7 +1359,7 @@ static struct sk_buff *udp6_ufo_fragment(struct sk_buff *skb, u32 features)
fptr = (struct frag_hdr *)(skb_network_header(skb) + unfrag_ip6hlen);
fptr->nexthdr = nexthdr;
fptr->reserved = 0;
- ipv6_select_ident(fptr);
+ ipv6_select_ident(fptr, (struct rt6_info *)skb_dst(skb));
/* Fragment the skb. ipv6 header and the remaining fields of the
* fragment header are updated in ipv6_gso_segment()
generated by cgit v1.2.3 (git 2.25.1) at 2025-07-15 09:44:35 +0000