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authorMauro Carvalho Chehab <mchehab+huawei@kernel.org>2020-01-08 13:13:25 +0300
committerMauro Carvalho Chehab <mchehab+huawei@kernel.org>2020-01-08 13:13:25 +0300
commit8821e92879a397b7ad318cc7e8ba784f588f872a (patch)
tree760f31e5c885bd73f825d36429d4ab575dbfb58f /include/net/dst.h
parent51e40a0dbe53cebe1f4b85bb47e250dc5a89b254 (diff)
parentc79f46a282390e0f5b306007bf7b11a46d529538 (diff)
downloadlinux-8821e92879a397b7ad318cc7e8ba784f588f872a.tar.xz
Merge tag 'v5.5-rc5' into patchwork
Linux 5.5-rc5 * tag 'v5.5-rc5': (1006 commits) Linux 5.5-rc5 Documentation: riscv: add patch acceptance guidelines riscv: prefix IRQ_ macro names with an RV_ namespace clocksource: riscv: add notrace to riscv_sched_clock apparmor: fix aa_xattrs_match() may sleep while holding a RCU lock hexagon: define ioremap_uc ocfs2: fix the crash due to call ocfs2_get_dlm_debug once less ocfs2: call journal flush to mark journal as empty after journal recovery when mount mm/hugetlb: defer freeing of huge pages if in non-task context mm/gup: fix memory leak in __gup_benchmark_ioctl mm/oom: fix pgtables units mismatch in Killed process message fs/posix_acl.c: fix kernel-doc warnings hexagon: work around compiler crash hexagon: parenthesize registers in asm predicates fs/namespace.c: make to_mnt_ns() static fs/nsfs.c: include headers for missing declarations fs/direct-io.c: include fs/internal.h for missing prototype mm: move_pages: return valid node id in status if the page is already on the target node memcg: account security cred as well to kmemcg kcov: fix struct layout for kcov_remote_arg ...
Diffstat (limited to 'include/net/dst.h')
-rw-r--r--include/net/dst.h15
1 files changed, 12 insertions, 3 deletions
diff --git a/include/net/dst.h b/include/net/dst.h
index fe62fe2eb781..3448cf865ede 100644
--- a/include/net/dst.h
+++ b/include/net/dst.h
@@ -82,7 +82,7 @@ struct dst_entry {
struct dst_metrics {
u32 metrics[RTAX_MAX];
refcount_t refcnt;
-};
+} __aligned(4); /* Low pointer bits contain DST_METRICS_FLAGS */
extern const struct dst_metrics dst_default_metrics;
u32 *dst_cow_metrics_generic(struct dst_entry *dst, unsigned long old);
@@ -516,7 +516,16 @@ static inline void skb_dst_update_pmtu(struct sk_buff *skb, u32 mtu)
struct dst_entry *dst = skb_dst(skb);
if (dst && dst->ops->update_pmtu)
- dst->ops->update_pmtu(dst, NULL, skb, mtu);
+ dst->ops->update_pmtu(dst, NULL, skb, mtu, true);
+}
+
+/* update dst pmtu but not do neighbor confirm */
+static inline void skb_dst_update_pmtu_no_confirm(struct sk_buff *skb, u32 mtu)
+{
+ struct dst_entry *dst = skb_dst(skb);
+
+ if (dst && dst->ops->update_pmtu)
+ dst->ops->update_pmtu(dst, NULL, skb, mtu, false);
}
static inline void skb_tunnel_check_pmtu(struct sk_buff *skb,
@@ -526,7 +535,7 @@ static inline void skb_tunnel_check_pmtu(struct sk_buff *skb,
u32 encap_mtu = dst_mtu(encap_dst);
if (skb->len > encap_mtu - headroom)
- skb_dst_update_pmtu(skb, encap_mtu - headroom);
+ skb_dst_update_pmtu_no_confirm(skb, encap_mtu - headroom);
}
#endif /* _NET_DST_H */