[PATCH 1/3] backports: add linux/units.h

[PATCH 1/3] backports: add linux/units.h

[Johannes Berg]

From: Johannes Berg <johannes.berg@intel.com>

We can just copy this.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
---
 copy-list       | 1 +
 copy-list.intel | 1 +
 2 files changed, 2 insertions(+)

diff --git a/copy-list b/copy-list
index 328e92d0fde5..ba10a0bf4b3a 100644
--- a/copy-list
+++ b/copy-list
@@ -23,6 +23,7 @@ include/linux/crc32poly.h
 include/linux/bitfield.h
 include/linux/average.h
 include/linux/overflow.h
+include/linux/units.h
 
 # crypto_memneq
 crypto/memneq.c -> compat/memneq.c
diff --git a/copy-list.intel b/copy-list.intel
index ee944edaaefb..28b6bc87ddfe 100644
--- a/copy-list.intel
+++ b/copy-list.intel
@@ -21,6 +21,7 @@ scripts/spelling.txt -> intc-scripts/spelling.txt
 include/linux/bitfield.h
 include/linux/average.h
 include/linux/overflow.h
+include/linux/units.h
 
 # crypto_memneq
 crypto/memneq.c -> compat/memneq.c
-- 
2.24.1

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[PATCH 2/3] backports: skbuff: add skb_list_walk_safe() and skb_mark_not_on_list()

[Johannes Berg]

From: Johannes Berg <johannes.berg@intel.com>

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
---
 backport/backport-include/linux/skbuff.h | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/backport/backport-include/linux/skbuff.h b/backport/backport-include/linux/skbuff.h
index 8af34146432e..3b63ce76a0b5 100644
--- a/backport/backport-include/linux/skbuff.h
+++ b/backport/backport-include/linux/skbuff.h
@@ -380,6 +380,11 @@ static inline struct sk_buff *__skb_peek(const struct sk_buff_head *list_)
 {
 	return list_->next;
 }
+
+static inline void skb_mark_not_on_list(struct sk_buff *skb)
+{
+	skb->next = NULL;
+}
 #endif
 
 #if LINUX_VERSION_IS_LESS(4,11,0)
@@ -408,4 +413,10 @@ static inline void nf_reset_ct(struct sk_buff *skb)
 }
 #endif
 
+#ifndef skb_list_walk_safe
+#define skb_list_walk_safe(first, skb, next_skb)				\
+	for ((skb) = (first), (next_skb) = (skb) ? (skb)->next : NULL; (skb); 	\
+	     (skb) = (next_skb), (next_skb) = (skb) ? (skb)->next : NULL)
+#endif
+
 #endif /* __BACKPORT_SKBUFF_H */
-- 
2.24.1

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[PATCH 3/3] backports: netlink: fix nla_validate_nested()

[Johannes Berg]

From: Johannes Berg <johannes.berg@intel.com>

I had accidentally named this nl80211_validate_nested(),
and it got renamed in 5.6.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
---
 backport/backport-include/net/netlink.h | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/backport/backport-include/net/netlink.h b/backport/backport-include/net/netlink.h
index bc24adfb4d63..675e43fc4e31 100644
--- a/backport/backport-include/net/netlink.h
+++ b/backport/backport-include/net/netlink.h
@@ -266,17 +266,17 @@ nla_validate_nested_deprecated(const struct nlattr *start, int maxtype,
 }
 #endif /* < 5.2 */
 
-#if LINUX_VERSION_IS_LESS(5,3,0)
-#define nl80211_validate_nested LINUX_BACKPORT(nl80211_validate_nested)
+#if LINUX_VERSION_IS_LESS(5,6,0)
+#define nla_validate_nested LINUX_BACKPORT(nla_validate_nested)
 static inline int
-nl80211_validate_nested(const struct nlattr *start, int maxtype,
-			const struct nla_policy *policy,
-			struct netlink_ext_ack *extack)
+nla_validate_nested(const struct nlattr *start, int maxtype,
+		    const struct nla_policy *policy,
+		    struct netlink_ext_ack *extack)
 {
 	return __nla_validate_nested(start, maxtype, policy,
 				     NL_VALIDATE_STRICT, extack);
 }
-#endif /* < 5.3 */
+#endif /* < 5.6 */
 
 #if LINUX_VERSION_IS_LESS(5,1,0)
 #undef NLA_POLICY_NESTED
-- 
2.24.1

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Re: [PATCH 2/3] backports: skbuff: add skb_list_walk_safe() and skb_mark_not_on_list()

[Hauke Mehrtens]

On 3/12/20 4:59 PM, Johannes Berg wrote:
> From: Johannes Berg <johannes.berg@intel.com>
> 
> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
> ---
>  backport/backport-include/linux/skbuff.h | 11 +++++++++++
>  1 file changed, 11 insertions(+)
> 
> diff --git a/backport/backport-include/linux/skbuff.h b/backport/backport-include/linux/skbuff.h
> index 8af34146432e..3b63ce76a0b5 100644
> --- a/backport/backport-include/linux/skbuff.h
> +++ b/backport/backport-include/linux/skbuff.h
> @@ -380,6 +380,11 @@ static inline struct sk_buff *__skb_peek(const struct sk_buff_head *list_)
>  {
>  	return list_->next;
>  }
> +
> +static inline void skb_mark_not_on_list(struct sk_buff *skb)
> +{
> +	skb->next = NULL;
> +}
>  #endif

skb_mark_not_on_list() was backported to kernel 4.19.10 and this
definition conflicts.

I added this around it:
#if !LINUX_VERSION_IN_RANGE(4,19,10, 4,20,0)

Hauke

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Re: [PATCH 1/3] backports: add linux/units.h

[Hauke Mehrtens]

On 3/12/20 4:59 PM, Johannes Berg wrote:
> From: Johannes Berg <johannes.berg@intel.com>
> 
> We can just copy this.
> 
> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
> ---
>  copy-list       | 1 +
>  copy-list.intel | 1 +
>  2 files changed, 2 insertions(+)
> 
......
>  
>  # crypto_memneq
>  crypto/memneq.c -> compat/memneq.c
> diff --git a/copy-list.intel b/copy-list.intel
> index ee944edaaefb..28b6bc87ddfe 100644
> --- a/copy-list.intel
> +++ b/copy-list.intel

copy-list.intel is not in upstream, I will just ignore this part.

Hauke


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