diff options
| author |   David Miller <davem@davemloft.net> | 2017-11-28 15:40:22 -0500 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-11-30 09:54:25 -0500 |
| commit | b92cf4aab8e688b1bd501ac2ac4f1b5c99601e3b (patch) | |
| tree | f8fb92d4c9394bdf61716d074b9aaa15fbf22450 /net/xfrm | |
| parent | ipv6: Move rt6_next from dst_entry into ipv6 route structure. (diff) | |
| download | linux-dev-b92cf4aab8e688b1bd501ac2ac4f1b5c99601e3b.tar.xz linux-dev-b92cf4aab8e688b1bd501ac2ac4f1b5c99601e3b.zip | |
net: Create and use new helper xfrm_dst_child().
Only IPSEC routes have a non-NULL dst->child pointer. And IPSEC
routes are identified by a non-NULL dst->xfrm pointer.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/xfrm')
| -rw-r--r-- | net/xfrm/xfrm_output.c | 2 | ||||
| -rw-r--r-- | net/xfrm/xfrm_policy.c | 14 |
2 files changed, 8 insertions, 8 deletions
diff --git a/net/xfrm/xfrm_output.c b/net/xfrm/xfrm_output.c index 73ad8c8ef344..23468672a767 100644 --- a/net/xfrm/xfrm_output.c +++ b/net/xfrm/xfrm_output.c @@ -44,7 +44,7 @@ static int xfrm_skb_check_space(struct sk_buff *skb) static struct dst_entry *skb_dst_pop(struct sk_buff *skb) { - struct dst_entry *child = dst_clone(skb_dst(skb)->child); + struct dst_entry *child = dst_clone(xfrm_dst_child(skb_dst(skb))); skb_dst_drop(skb); return child; diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c index 9542975eb2f9..6c21a458bc8b 100644 --- a/net/xfrm/xfrm_policy.c +++ b/net/xfrm/xfrm_policy.c @@ -1636,7 +1636,7 @@ static struct dst_entry *xfrm_bundle_create(struct xfrm_policy *policy, xfrm_init_path((struct xfrm_dst *)dst0, dst, nfheader_len); xfrm_init_pmtu(dst_prev); - for (dst_prev = dst0; dst_prev != dst; dst_prev = dst_prev->child) { + for (dst_prev = dst0; dst_prev != dst; dst_prev = xfrm_dst_child(dst_prev)) { struct xfrm_dst *xdst = (struct xfrm_dst *)dst_prev; err = xfrm_fill_dst(xdst, dev, fl); @@ -1800,7 +1800,7 @@ static bool xfrm_xdst_can_reuse(struct xfrm_dst *xdst, for (i = 0; i < num; i++) { if (!dst || dst->xfrm != xfrm[i]) return false; - dst = dst->child; + dst = xfrm_dst_child(dst); } return xfrm_bundle_ok(xdst); @@ -2576,7 +2576,7 @@ static int stale_bundle(struct dst_entry *dst) void xfrm_dst_ifdown(struct dst_entry *dst, struct net_device *dev) { - while ((dst = dst->child) && dst->xfrm && dst->dev == dev) { + while ((dst = xfrm_dst_child(dst)) && dst->xfrm && dst->dev == dev) { dst->dev = dev_net(dev)->loopback_dev; dev_hold(dst->dev); dev_put(dev); @@ -2606,7 +2606,7 @@ static void xfrm_init_pmtu(struct dst_entry *dst) struct xfrm_dst *xdst = (struct xfrm_dst *)dst; u32 pmtu, route_mtu_cached; - pmtu = dst_mtu(dst->child); + pmtu = dst_mtu(xfrm_dst_child(dst)); xdst->child_mtu_cached = pmtu; pmtu = xfrm_state_mtu(dst->xfrm, pmtu); @@ -2651,7 +2651,7 @@ static int xfrm_bundle_ok(struct xfrm_dst *first) xdst->policy_genid != atomic_read(&xdst->pols[0]->genid)) return 0; - mtu = dst_mtu(dst->child); + mtu = dst_mtu(xfrm_dst_child(dst)); if (xdst->child_mtu_cached != mtu) { last = xdst; xdst->child_mtu_cached = mtu; @@ -2665,7 +2665,7 @@ static int xfrm_bundle_ok(struct xfrm_dst *first) xdst->route_mtu_cached = mtu; } - dst = dst->child; + dst = xfrm_dst_child(dst); } while (dst->xfrm); if (likely(!last)) @@ -2707,7 +2707,7 @@ static const void *xfrm_get_dst_nexthop(const struct dst_entry *dst, { const struct dst_entry *path = dst->path; - for (; dst != path; dst = dst->child) { + for (; dst != path; dst = xfrm_dst_child(dst)) { const struct xfrm_state *xfrm = dst->xfrm; if (xfrm->props.mode == XFRM_MODE_TRANSPORT) |