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-rw-r--r--Documentation/networking/xfrm_proc.rst6
-rw-r--r--include/net/xfrm.h1
-rw-r--r--include/uapi/linux/snmp.h2
-rw-r--r--include/uapi/linux/xfrm.h6
-rw-r--r--net/ipv6/xfrm6_input.c7
-rw-r--r--net/xfrm/xfrm_compat.c7
-rw-r--r--net/xfrm/xfrm_device.c6
-rw-r--r--net/xfrm/xfrm_input.c11
-rw-r--r--net/xfrm/xfrm_policy.c6
-rw-r--r--net/xfrm/xfrm_proc.c2
-rw-r--r--net/xfrm/xfrm_replay.c3
-rw-r--r--net/xfrm/xfrm_state.c8
-rw-r--r--net/xfrm/xfrm_user.c162
13 files changed, 218 insertions, 9 deletions
diff --git a/Documentation/networking/xfrm_proc.rst b/Documentation/networking/xfrm_proc.rst
index 0a771c5a7399b5..973d1571acac57 100644
--- a/Documentation/networking/xfrm_proc.rst
+++ b/Documentation/networking/xfrm_proc.rst
@@ -73,6 +73,9 @@ XfrmAcquireError:
XfrmFwdHdrError:
Forward routing of a packet is not allowed
+XfrmInStateDirError:
+ State direction mismatch (lookup found an output state on the input path, expected input or no direction)
+
Outbound errors
~~~~~~~~~~~~~~~
XfrmOutError:
@@ -111,3 +114,6 @@ XfrmOutPolError:
XfrmOutStateInvalid:
State is invalid, perhaps expired
+
+XfrmOutStateDirError:
+ State direction mismatch (lookup found an input state on the output path, expected output or no direction)
diff --git a/include/net/xfrm.h b/include/net/xfrm.h
index 57c743b7e4fef1..7c9be06f830216 100644
--- a/include/net/xfrm.h
+++ b/include/net/xfrm.h
@@ -291,6 +291,7 @@ struct xfrm_state {
/* Private data of this transformer, format is opaque,
* interpreted by xfrm_type methods. */
void *data;
+ u8 dir;
};
static inline struct net *xs_net(struct xfrm_state *x)
diff --git a/include/uapi/linux/snmp.h b/include/uapi/linux/snmp.h
index a0819c6a5988fc..adf5fd78dd5030 100644
--- a/include/uapi/linux/snmp.h
+++ b/include/uapi/linux/snmp.h
@@ -337,6 +337,8 @@ enum
LINUX_MIB_XFRMFWDHDRERROR, /* XfrmFwdHdrError*/
LINUX_MIB_XFRMOUTSTATEINVALID, /* XfrmOutStateInvalid */
LINUX_MIB_XFRMACQUIREERROR, /* XfrmAcquireError */
+ LINUX_MIB_XFRMOUTSTATEDIRERROR, /* XfrmOutStateDirError */
+ LINUX_MIB_XFRMINSTATEDIRERROR, /* XfrmInStateDirError */
__LINUX_MIB_XFRMMAX
};
diff --git a/include/uapi/linux/xfrm.h b/include/uapi/linux/xfrm.h
index 6a77328be11452..18ceaba8486e4e 100644
--- a/include/uapi/linux/xfrm.h
+++ b/include/uapi/linux/xfrm.h
@@ -141,6 +141,11 @@ enum {
XFRM_POLICY_MAX = 3
};
+enum xfrm_sa_dir {
+ XFRM_SA_DIR_IN = 1,
+ XFRM_SA_DIR_OUT = 2
+};
+
enum {
XFRM_SHARE_ANY, /* No limitations */
XFRM_SHARE_SESSION, /* For this session only */
@@ -315,6 +320,7 @@ enum xfrm_attr_type_t {
XFRMA_SET_MARK_MASK, /* __u32 */
XFRMA_IF_ID, /* __u32 */
XFRMA_MTIMER_THRESH, /* __u32 in seconds for input SA */
+ XFRMA_SA_DIR, /* __u8 */
__XFRMA_MAX
#define XFRMA_OUTPUT_MARK XFRMA_SET_MARK /* Compatibility */
diff --git a/net/ipv6/xfrm6_input.c b/net/ipv6/xfrm6_input.c
index 2c6aeb090b7ab6..d5bac0d76b6eb0 100644
--- a/net/ipv6/xfrm6_input.c
+++ b/net/ipv6/xfrm6_input.c
@@ -266,6 +266,13 @@ int xfrm6_input_addr(struct sk_buff *skb, xfrm_address_t *daddr,
if (!x)
continue;
+ if (unlikely(x->dir && x->dir != XFRM_SA_DIR_IN)) {
+ XFRM_INC_STATS(net, LINUX_MIB_XFRMINSTATEDIRERROR);
+ xfrm_state_put(x);
+ x = NULL;
+ continue;
+ }
+
spin_lock(&x->lock);
if ((!i || (x->props.flags & XFRM_STATE_WILDRECV)) &&
diff --git a/net/xfrm/xfrm_compat.c b/net/xfrm/xfrm_compat.c
index 655fe4ff862122..703d4172c7d730 100644
--- a/net/xfrm/xfrm_compat.c
+++ b/net/xfrm/xfrm_compat.c
@@ -98,6 +98,7 @@ static const int compat_msg_min[XFRM_NR_MSGTYPES] = {
};
static const struct nla_policy compat_policy[XFRMA_MAX+1] = {
+ [XFRMA_UNSPEC] = { .strict_start_type = XFRMA_SA_DIR },
[XFRMA_SA] = { .len = XMSGSIZE(compat_xfrm_usersa_info)},
[XFRMA_POLICY] = { .len = XMSGSIZE(compat_xfrm_userpolicy_info)},
[XFRMA_LASTUSED] = { .type = NLA_U64},
@@ -129,6 +130,7 @@ static const struct nla_policy compat_policy[XFRMA_MAX+1] = {
[XFRMA_SET_MARK_MASK] = { .type = NLA_U32 },
[XFRMA_IF_ID] = { .type = NLA_U32 },
[XFRMA_MTIMER_THRESH] = { .type = NLA_U32 },
+ [XFRMA_SA_DIR] = NLA_POLICY_RANGE(NLA_U8, XFRM_SA_DIR_IN, XFRM_SA_DIR_OUT),
};
static struct nlmsghdr *xfrm_nlmsg_put_compat(struct sk_buff *skb,
@@ -277,9 +279,10 @@ static int xfrm_xlate64_attr(struct sk_buff *dst, const struct nlattr *src)
case XFRMA_SET_MARK_MASK:
case XFRMA_IF_ID:
case XFRMA_MTIMER_THRESH:
+ case XFRMA_SA_DIR:
return xfrm_nla_cpy(dst, src, nla_len(src));
default:
- BUILD_BUG_ON(XFRMA_MAX != XFRMA_MTIMER_THRESH);
+ BUILD_BUG_ON(XFRMA_MAX != XFRMA_SA_DIR);
pr_warn_once("unsupported nla_type %d\n", src->nla_type);
return -EOPNOTSUPP;
}
@@ -434,7 +437,7 @@ static int xfrm_xlate32_attr(void *dst, const struct nlattr *nla,
int err;
if (type > XFRMA_MAX) {
- BUILD_BUG_ON(XFRMA_MAX != XFRMA_MTIMER_THRESH);
+ BUILD_BUG_ON(XFRMA_MAX != XFRMA_SA_DIR);
NL_SET_ERR_MSG(extack, "Bad attribute");
return -EOPNOTSUPP;
}
diff --git a/net/xfrm/xfrm_device.c b/net/xfrm/xfrm_device.c
index 6346690d5c699d..2455a76a1cffb4 100644
--- a/net/xfrm/xfrm_device.c
+++ b/net/xfrm/xfrm_device.c
@@ -253,6 +253,12 @@ int xfrm_dev_state_add(struct net *net, struct xfrm_state *x,
return -EINVAL;
}
+ if ((xuo->flags & XFRM_OFFLOAD_INBOUND && x->dir == XFRM_SA_DIR_OUT) ||
+ (!(xuo->flags & XFRM_OFFLOAD_INBOUND) && x->dir == XFRM_SA_DIR_IN)) {
+ NL_SET_ERR_MSG(extack, "Mismatched SA and offload direction");
+ return -EINVAL;
+ }
+
is_packet_offload = xuo->flags & XFRM_OFFLOAD_PACKET;
/* We don't yet support UDP encapsulation and TFC padding. */
diff --git a/net/xfrm/xfrm_input.c b/net/xfrm/xfrm_input.c
index 161f535c8b9495..71b42de6e3c9c0 100644
--- a/net/xfrm/xfrm_input.c
+++ b/net/xfrm/xfrm_input.c
@@ -466,6 +466,11 @@ int xfrm_input(struct sk_buff *skb, int nexthdr, __be32 spi, int encap_type)
if (encap_type < 0 || (xo && xo->flags & XFRM_GRO)) {
x = xfrm_input_state(skb);
+ if (unlikely(x->dir && x->dir != XFRM_SA_DIR_IN)) {
+ XFRM_INC_STATS(net, LINUX_MIB_XFRMINSTATEDIRERROR);
+ goto drop;
+ }
+
if (unlikely(x->km.state != XFRM_STATE_VALID)) {
if (x->km.state == XFRM_STATE_ACQ)
XFRM_INC_STATS(net, LINUX_MIB_XFRMACQUIREERROR);
@@ -571,6 +576,12 @@ int xfrm_input(struct sk_buff *skb, int nexthdr, __be32 spi, int encap_type)
goto drop;
}
+ if (unlikely(x->dir && x->dir != XFRM_SA_DIR_IN)) {
+ XFRM_INC_STATS(net, LINUX_MIB_XFRMINSTATEDIRERROR);
+ xfrm_state_put(x);
+ goto drop;
+ }
+
skb->mark = xfrm_smark_get(skb->mark, x);
sp->xvec[sp->len++] = x;
diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c
index 6affe5cd85d8f1..298b3a9eb48d25 100644
--- a/net/xfrm/xfrm_policy.c
+++ b/net/xfrm/xfrm_policy.c
@@ -2489,6 +2489,12 @@ xfrm_tmpl_resolve_one(struct xfrm_policy *policy, const struct flowi *fl,
x = xfrm_state_find(remote, local, fl, tmpl, policy, &error,
family, policy->if_id);
+ if (x && x->dir && x->dir != XFRM_SA_DIR_OUT) {
+ XFRM_INC_STATS(net, LINUX_MIB_XFRMOUTSTATEDIRERROR);
+ xfrm_state_put(x);
+ error = -EINVAL;
+ goto fail;
+ }
if (x && x->km.state == XFRM_STATE_VALID) {
xfrm[nx++] = x;
diff --git a/net/xfrm/xfrm_proc.c b/net/xfrm/xfrm_proc.c
index 5f9bf8e5c9338f..eeb984be03a796 100644
--- a/net/xfrm/xfrm_proc.c
+++ b/net/xfrm/xfrm_proc.c
@@ -41,6 +41,8 @@ static const struct snmp_mib xfrm_mib_list[] = {
SNMP_MIB_ITEM("XfrmFwdHdrError", LINUX_MIB_XFRMFWDHDRERROR),
SNMP_MIB_ITEM("XfrmOutStateInvalid", LINUX_MIB_XFRMOUTSTATEINVALID),
SNMP_MIB_ITEM("XfrmAcquireError", LINUX_MIB_XFRMACQUIREERROR),
+ SNMP_MIB_ITEM("XfrmOutStateDirError", LINUX_MIB_XFRMOUTSTATEDIRERROR),
+ SNMP_MIB_ITEM("XfrmInStateDirError", LINUX_MIB_XFRMINSTATEDIRERROR),
SNMP_MIB_SENTINEL
};
diff --git a/net/xfrm/xfrm_replay.c b/net/xfrm/xfrm_replay.c
index ce56d659c55a69..bc56c630572527 100644
--- a/net/xfrm/xfrm_replay.c
+++ b/net/xfrm/xfrm_replay.c
@@ -778,7 +778,8 @@ int xfrm_init_replay(struct xfrm_state *x, struct netlink_ext_ack *extack)
}
if (x->props.flags & XFRM_STATE_ESN) {
- if (replay_esn->replay_window == 0) {
+ if (replay_esn->replay_window == 0 &&
+ (!x->dir || x->dir == XFRM_SA_DIR_IN)) {
NL_SET_ERR_MSG(extack, "ESN replay window must be > 0");
return -EINVAL;
}
diff --git a/net/xfrm/xfrm_state.c b/net/xfrm/xfrm_state.c
index 0c306473a79d13..649bb739df0dd6 100644
--- a/net/xfrm/xfrm_state.c
+++ b/net/xfrm/xfrm_state.c
@@ -1292,6 +1292,7 @@ found:
if (km_query(x, tmpl, pol) == 0) {
spin_lock_bh(&net->xfrm.xfrm_state_lock);
x->km.state = XFRM_STATE_ACQ;
+ x->dir = XFRM_SA_DIR_OUT;
list_add(&x->km.all, &net->xfrm.state_all);
XFRM_STATE_INSERT(bydst, &x->bydst,
net->xfrm.state_bydst + h,
@@ -1744,6 +1745,7 @@ static struct xfrm_state *xfrm_state_clone(struct xfrm_state *orig,
x->lastused = orig->lastused;
x->new_mapping = 0;
x->new_mapping_sport = 0;
+ x->dir = orig->dir;
return x;
@@ -1864,8 +1866,14 @@ int xfrm_state_update(struct xfrm_state *x)
}
if (x1->km.state == XFRM_STATE_ACQ) {
+ if (x->dir && x1->dir != x->dir)
+ goto out;
+
__xfrm_state_insert(x);
x = NULL;
+ } else {
+ if (x1->dir != x->dir)
+ goto out;
}
err = 0;
diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c
index 810b520493f329..e83c687bd64ee9 100644
--- a/net/xfrm/xfrm_user.c
+++ b/net/xfrm/xfrm_user.c
@@ -130,7 +130,7 @@ static inline int verify_sec_ctx_len(struct nlattr **attrs, struct netlink_ext_a
}
static inline int verify_replay(struct xfrm_usersa_info *p,
- struct nlattr **attrs,
+ struct nlattr **attrs, u8 sa_dir,
struct netlink_ext_ack *extack)
{
struct nlattr *rt = attrs[XFRMA_REPLAY_ESN_VAL];
@@ -168,6 +168,30 @@ static inline int verify_replay(struct xfrm_usersa_info *p,
return -EINVAL;
}
+ if (sa_dir == XFRM_SA_DIR_OUT) {
+ if (rs->replay_window) {
+ NL_SET_ERR_MSG(extack, "Replay window should be 0 for output SA");
+ return -EINVAL;
+ }
+ if (rs->seq || rs->seq_hi) {
+ NL_SET_ERR_MSG(extack,
+ "Replay seq and seq_hi should be 0 for output SA");
+ return -EINVAL;
+ }
+ if (rs->bmp_len) {
+ NL_SET_ERR_MSG(extack, "Replay bmp_len should 0 for output SA");
+ return -EINVAL;
+ }
+ }
+
+ if (sa_dir == XFRM_SA_DIR_IN) {
+ if (rs->oseq || rs->oseq_hi) {
+ NL_SET_ERR_MSG(extack,
+ "Replay oseq and oseq_hi should be 0 for input SA");
+ return -EINVAL;
+ }
+ }
+
return 0;
}
@@ -176,6 +200,7 @@ static int verify_newsa_info(struct xfrm_usersa_info *p,
struct netlink_ext_ack *extack)
{
int err;
+ u8 sa_dir = attrs[XFRMA_SA_DIR] ? nla_get_u8(attrs[XFRMA_SA_DIR]) : 0;
err = -EINVAL;
switch (p->family) {
@@ -334,7 +359,7 @@ static int verify_newsa_info(struct xfrm_usersa_info *p,
goto out;
if ((err = verify_sec_ctx_len(attrs, extack)))
goto out;
- if ((err = verify_replay(p, attrs, extack)))
+ if ((err = verify_replay(p, attrs, sa_dir, extack)))
goto out;
err = -EINVAL;
@@ -358,6 +383,77 @@ static int verify_newsa_info(struct xfrm_usersa_info *p,
err = -EINVAL;
goto out;
}
+
+ if (sa_dir == XFRM_SA_DIR_OUT) {
+ NL_SET_ERR_MSG(extack,
+ "MTIMER_THRESH attribute should not be set on output SA");
+ err = -EINVAL;
+ goto out;
+ }
+ }
+
+ if (sa_dir == XFRM_SA_DIR_OUT) {
+ if (p->flags & XFRM_STATE_DECAP_DSCP) {
+ NL_SET_ERR_MSG(extack, "Flag DECAP_DSCP should not be set for output SA");
+ err = -EINVAL;
+ goto out;
+ }
+
+ if (p->flags & XFRM_STATE_ICMP) {
+ NL_SET_ERR_MSG(extack, "Flag ICMP should not be set for output SA");
+ err = -EINVAL;
+ goto out;
+ }
+
+ if (p->flags & XFRM_STATE_WILDRECV) {
+ NL_SET_ERR_MSG(extack, "Flag WILDRECV should not be set for output SA");
+ err = -EINVAL;
+ goto out;
+ }
+
+ if (p->replay_window) {
+ NL_SET_ERR_MSG(extack, "Replay window should be 0 for output SA");
+ err = -EINVAL;
+ goto out;
+ }
+
+ if (attrs[XFRMA_REPLAY_VAL]) {
+ struct xfrm_replay_state *replay;
+
+ replay = nla_data(attrs[XFRMA_REPLAY_VAL]);
+
+ if (replay->seq || replay->bitmap) {
+ NL_SET_ERR_MSG(extack,
+ "Replay seq and bitmap should be 0 for output SA");
+ err = -EINVAL;
+ goto out;
+ }
+ }
+ }
+
+ if (sa_dir == XFRM_SA_DIR_IN) {
+ if (p->flags & XFRM_STATE_NOPMTUDISC) {
+ NL_SET_ERR_MSG(extack, "Flag NOPMTUDISC should not be set for input SA");
+ err = -EINVAL;
+ goto out;
+ }
+
+ if (attrs[XFRMA_SA_EXTRA_FLAGS]) {
+ u32 xflags = nla_get_u32(attrs[XFRMA_SA_EXTRA_FLAGS]);
+
+ if (xflags & XFRM_SA_XFLAG_DONT_ENCAP_DSCP) {
+ NL_SET_ERR_MSG(extack, "Flag DONT_ENCAP_DSCP should not be set for input SA");
+ err = -EINVAL;
+ goto out;
+ }
+
+ if (xflags & XFRM_SA_XFLAG_OSEQ_MAY_WRAP) {
+ NL_SET_ERR_MSG(extack, "Flag OSEQ_MAY_WRAP should not be set for input SA");
+ err = -EINVAL;
+ goto out;
+ }
+
+ }
}
out:
@@ -734,6 +830,9 @@ static struct xfrm_state *xfrm_state_construct(struct net *net,
if (attrs[XFRMA_IF_ID])
x->if_id = nla_get_u32(attrs[XFRMA_IF_ID]);
+ if (attrs[XFRMA_SA_DIR])
+ x->dir = nla_get_u8(attrs[XFRMA_SA_DIR]);
+
err = __xfrm_init_state(x, false, attrs[XFRMA_OFFLOAD_DEV], extack);
if (err)
goto error;
@@ -1182,8 +1281,13 @@ static int copy_to_user_state_extra(struct xfrm_state *x,
if (ret)
goto out;
}
- if (x->mapping_maxage)
+ if (x->mapping_maxage) {
ret = nla_put_u32(skb, XFRMA_MTIMER_THRESH, x->mapping_maxage);
+ if (ret)
+ goto out;
+ }
+ if (x->dir)
+ ret = nla_put_u8(skb, XFRMA_SA_DIR, x->dir);
out:
return ret;
}
@@ -1618,6 +1722,9 @@ static int xfrm_alloc_userspi(struct sk_buff *skb, struct nlmsghdr *nlh,
if (err)
goto out;
+ if (attrs[XFRMA_SA_DIR])
+ x->dir = nla_get_u8(attrs[XFRMA_SA_DIR]);
+
resp_skb = xfrm_state_netlink(skb, x, nlh->nlmsg_seq);
if (IS_ERR(resp_skb)) {
err = PTR_ERR(resp_skb);
@@ -2402,7 +2509,8 @@ static inline unsigned int xfrm_aevent_msgsize(struct xfrm_state *x)
+ nla_total_size_64bit(sizeof(struct xfrm_lifetime_cur))
+ nla_total_size(sizeof(struct xfrm_mark))
+ nla_total_size(4) /* XFRM_AE_RTHR */
- + nla_total_size(4); /* XFRM_AE_ETHR */
+ + nla_total_size(4) /* XFRM_AE_ETHR */
+ + nla_total_size(sizeof(x->dir)); /* XFRMA_SA_DIR */
}
static int build_aevent(struct sk_buff *skb, struct xfrm_state *x, const struct km_event *c)
@@ -2459,6 +2567,12 @@ static int build_aevent(struct sk_buff *skb, struct xfrm_state *x, const struct
if (err)
goto out_cancel;
+ if (x->dir) {
+ err = nla_put_u8(skb, XFRMA_SA_DIR, x->dir);
+ if (err)
+ goto out_cancel;
+ }
+
nlmsg_end(skb, nlh);
return 0;
@@ -3018,6 +3132,7 @@ EXPORT_SYMBOL_GPL(xfrm_msg_min);
#undef XMSGSIZE
const struct nla_policy xfrma_policy[XFRMA_MAX+1] = {
+ [XFRMA_UNSPEC] = { .strict_start_type = XFRMA_SA_DIR },
[XFRMA_SA] = { .len = sizeof(struct xfrm_usersa_info)},
[XFRMA_POLICY] = { .len = sizeof(struct xfrm_userpolicy_info)},
[XFRMA_LASTUSED] = { .type = NLA_U64},
@@ -3049,6 +3164,7 @@ const struct nla_policy xfrma_policy[XFRMA_MAX+1] = {
[XFRMA_SET_MARK_MASK] = { .type = NLA_U32 },
[XFRMA_IF_ID] = { .type = NLA_U32 },
[XFRMA_MTIMER_THRESH] = { .type = NLA_U32 },
+ [XFRMA_SA_DIR] = NLA_POLICY_RANGE(NLA_U8, XFRM_SA_DIR_IN, XFRM_SA_DIR_OUT),
};
EXPORT_SYMBOL_GPL(xfrma_policy);
@@ -3097,6 +3213,24 @@ static const struct xfrm_link {
[XFRM_MSG_GETDEFAULT - XFRM_MSG_BASE] = { .doit = xfrm_get_default },
};
+static int xfrm_reject_unused_attr(int type, struct nlattr **attrs,
+ struct netlink_ext_ack *extack)
+{
+ if (attrs[XFRMA_SA_DIR]) {
+ switch (type) {
+ case XFRM_MSG_NEWSA:
+ case XFRM_MSG_UPDSA:
+ case XFRM_MSG_ALLOCSPI:
+ break;
+ default:
+ NL_SET_ERR_MSG(extack, "Invalid attribute SA_DIR");
+ return -EINVAL;
+ }
+ }
+
+ return 0;
+}
+
static int xfrm_user_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh,
struct netlink_ext_ack *extack)
{
@@ -3156,6 +3290,12 @@ static int xfrm_user_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh,
if (err < 0)
goto err;
+ if (!link->nla_pol || link->nla_pol == xfrma_policy) {
+ err = xfrm_reject_unused_attr((type + XFRM_MSG_BASE), attrs, extack);
+ if (err < 0)
+ goto err;
+ }
+
if (link->doit == NULL) {
err = -EINVAL;
goto err;
@@ -3189,8 +3329,9 @@ static void xfrm_netlink_rcv(struct sk_buff *skb)
static inline unsigned int xfrm_expire_msgsize(void)
{
- return NLMSG_ALIGN(sizeof(struct xfrm_user_expire))
- + nla_total_size(sizeof(struct xfrm_mark));
+ return NLMSG_ALIGN(sizeof(struct xfrm_user_expire)) +
+ nla_total_size(sizeof(struct xfrm_mark)) +
+ nla_total_size(sizeof_field(struct xfrm_state, dir));
}
static int build_expire(struct sk_buff *skb, struct xfrm_state *x, const struct km_event *c)
@@ -3217,6 +3358,12 @@ static int build_expire(struct sk_buff *skb, struct xfrm_state *x, const struct
if (err)
return err;
+ if (x->dir) {
+ err = nla_put_u8(skb, XFRMA_SA_DIR, x->dir);
+ if (err)
+ return err;
+ }
+
nlmsg_end(skb, nlh);
return 0;
}
@@ -3324,6 +3471,9 @@ static inline unsigned int xfrm_sa_len(struct xfrm_state *x)
if (x->mapping_maxage)
l += nla_total_size(sizeof(x->mapping_maxage));
+ if (x->dir)
+ l += nla_total_size(sizeof(x->dir));
+
return l;
}