Merge tag 'v4.9-rc4' into sound

Bring in -rc4 patches so I can successfully merge the sound doc changes.

1 files changed, 24 insertions, 8 deletions

diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index bd19faad0d96..14b51d739c3b 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -4047,14 +4047,29 @@ unsigned int ieee80211_get_mesh_hdrlen(struct ieee80211s_hdr *meshhdr);
  */
 
 /**
+ * ieee80211_data_to_8023_exthdr - convert an 802.11 data frame to 802.3
+ * @skb: the 802.11 data frame
+ * @ehdr: pointer to a &struct ethhdr that will get the header, instead
+ *	of it being pushed into the SKB
+ * @addr: the device MAC address
+ * @iftype: the virtual interface type
+ * Return: 0 on success. Non-zero on error.
+ */
+int ieee80211_data_to_8023_exthdr(struct sk_buff *skb, struct ethhdr *ehdr,
+				  const u8 *addr, enum nl80211_iftype iftype);
+
+/**
  * ieee80211_data_to_8023 - convert an 802.11 data frame to 802.3
  * @skb: the 802.11 data frame
  * @addr: the device MAC address
  * @iftype: the virtual interface type
  * Return: 0 on success. Non-zero on error.
  */
-int ieee80211_data_to_8023(struct sk_buff *skb, const u8 *addr,
-			   enum nl80211_iftype iftype);
+static inline int ieee80211_data_to_8023(struct sk_buff *skb, const u8 *addr,
+					 enum nl80211_iftype iftype)
+{
+	return ieee80211_data_to_8023_exthdr(skb, NULL, addr, iftype);
+}
 
 /**
  * ieee80211_data_from_8023 - convert an 802.3 frame to 802.11
@@ -4072,22 +4087,23 @@ int ieee80211_data_from_8023(struct sk_buff *skb, const u8 *addr,
 /**
  * ieee80211_amsdu_to_8023s - decode an IEEE 802.11n A-MSDU frame
  *
- * Decode an IEEE 802.11n A-MSDU frame and convert it to a list of
- * 802.3 frames. The @list will be empty if the decode fails. The
- * @skb is consumed after the function returns.
+ * Decode an IEEE 802.11 A-MSDU and convert it to a list of 802.3 frames.
+ * The @list will be empty if the decode fails. The @skb must be fully
+ * header-less before being passed in here; it is freed in this function.
  *
- * @skb: The input IEEE 802.11n A-MSDU frame.
+ * @skb: The input A-MSDU frame without any headers.
  * @list: The output list of 802.3 frames. It must be allocated and
  *	initialized by by the caller.
  * @addr: The device MAC address.
  * @iftype: The device interface type.
  * @extra_headroom: The hardware extra headroom for SKBs in the @list.
- * @has_80211_header: Set it true if SKB is with IEEE 802.11 header.
+ * @check_da: DA to check in the inner ethernet header, or NULL
+ * @check_sa: SA to check in the inner ethernet header, or NULL
  */
 void ieee80211_amsdu_to_8023s(struct sk_buff *skb, struct sk_buff_head *list,
 			      const u8 *addr, enum nl80211_iftype iftype,
 			      const unsigned int extra_headroom,
-			      bool has_80211_header);
+			      const u8 *check_da, const u8 *check_sa);
 
 /**
  * cfg80211_classify8021d - determine the 802.1p/1d tag for a data frame