Merge Linus master into drm-next

The merge is clean, but the arm build fails afterwards,
due to API changes in the regulator tree.

I've included the patch into the merge to fix the build.

Signed-off-by: Dave Airlie <airlied@redhat.com>

32 files changed, 734 insertions, 34 deletions

diff --git a/include/uapi/linux/Kbuild b/include/uapi/linux/Kbuild
index 68ceb97c458c..38df23435ebb 100644
--- a/include/uapi/linux/Kbuild
+++ b/include/uapi/linux/Kbuild
@@ -6,6 +6,7 @@ header-y += caif/
 header-y += dvb/
 header-y += hdlc/
 header-y += hsi/
+header-y += iio/
 header-y += isdn/
 header-y += mmc/
 header-y += nfsd/
diff --git a/include/uapi/linux/bpf.h b/include/uapi/linux/bpf.h
index 45da7ec7d274..a9ebdf5701e8 100644
--- a/include/uapi/linux/bpf.h
+++ b/include/uapi/linux/bpf.h
@@ -118,8 +118,13 @@ enum bpf_map_type {
 enum bpf_prog_type {
         BPF_PROG_TYPE_UNSPEC,
         BPF_PROG_TYPE_SOCKET_FILTER,
+        BPF_PROG_TYPE_KPROBE,
+        BPF_PROG_TYPE_SCHED_CLS,
+        BPF_PROG_TYPE_SCHED_ACT,
 };
 
+#define BPF_PSEUDO_MAP_FD       1
+
 /* flags for BPF_MAP_UPDATE_ELEM command */
 #define BPF_ANY         0 /* create new element or update existing */
 #define BPF_NOEXIST     1 /* create new element if it didn't exist */
@@ -151,6 +156,7 @@ union bpf_attr {
                 __u32           log_level;      /* verbosity level of verifier */
                 __u32           log_size;       /* size of user buffer */
                 __aligned_u64   log_buf;        /* user supplied buffer */
+                __u32           kern_version;   /* checked when prog_type=kprobe */
         };
 } __attribute__((aligned(8)));
 
@@ -162,7 +168,64 @@ enum bpf_func_id {
         BPF_FUNC_map_lookup_elem, /* void *map_lookup_elem(&map, &key) */
         BPF_FUNC_map_update_elem, /* int map_update_elem(&map, &key, &value, flags) */
         BPF_FUNC_map_delete_elem, /* int map_delete_elem(&map, &key) */
+        BPF_FUNC_probe_read,      /* int bpf_probe_read(void *dst, int size, void *src) */
+        BPF_FUNC_ktime_get_ns,    /* u64 bpf_ktime_get_ns(void) */
+        BPF_FUNC_trace_printk,    /* int bpf_trace_printk(const char *fmt, int fmt_size, ...) */
+        BPF_FUNC_get_prandom_u32, /* u32 prandom_u32(void) */
+        BPF_FUNC_get_smp_processor_id, /* u32 raw_smp_processor_id(void) */
+
+        /**
+         * skb_store_bytes(skb, offset, from, len, flags) - store bytes into packet
+         * @skb: pointer to skb
+         * @offset: offset within packet from skb->mac_header
+         * @from: pointer where to copy bytes from
+         * @len: number of bytes to store into packet
+         * @flags: bit 0 - if true, recompute skb->csum
+         *         other bits - reserved
+         * Return: 0 on success
+         */
+        BPF_FUNC_skb_store_bytes,
+
+        /**
+         * l3_csum_replace(skb, offset, from, to, flags) - recompute IP checksum
+         * @skb: pointer to skb
+         * @offset: offset within packet where IP checksum is located
+         * @from: old value of header field
+         * @to: new value of header field
+         * @flags: bits 0-3 - size of header field
+         *         other bits - reserved
+         * Return: 0 on success
+         */
+        BPF_FUNC_l3_csum_replace,
+
+        /**
+         * l4_csum_replace(skb, offset, from, to, flags) - recompute TCP/UDP checksum
+         * @skb: pointer to skb
+         * @offset: offset within packet where TCP/UDP checksum is located
+         * @from: old value of header field
+         * @to: new value of header field
+         * @flags: bits 0-3 - size of header field
+         *         bit 4 - is pseudo header
+         *         other bits - reserved
+         * Return: 0 on success
+         */
+        BPF_FUNC_l4_csum_replace,
         __BPF_FUNC_MAX_ID,
 };
 
+/* user accessible mirror of in-kernel sk_buff.
+ * new fields can only be added to the end of this structure
+ */
+struct __sk_buff {
+        __u32 len;
+        __u32 pkt_type;
+        __u32 mark;
+        __u32 queue_mapping;
+        __u32 protocol;
+        __u32 vlan_present;
+        __u32 vlan_tci;
+        __u32 vlan_proto;
+        __u32 priority;
+};
+
 #endif /* _UAPI__LINUX_BPF_H__ */
diff --git a/include/uapi/linux/can/raw.h b/include/uapi/linux/can/raw.h
index 78ec76fd89a6..8735f1080385 100644
--- a/include/uapi/linux/can/raw.h
+++ b/include/uapi/linux/can/raw.h
@@ -57,6 +57,7 @@ enum {
         CAN_RAW_LOOPBACK,       /* local loopback (default:on)       */
         CAN_RAW_RECV_OWN_MSGS,  /* receive my own msgs (default:off) */
         CAN_RAW_FD_FRAMES,      /* allow CAN FD frames (default:off) */
+        CAN_RAW_JOIN_FILTERS,   /* all filters must match to trigger */
 };
 
 #endif /* !_UAPI_CAN_RAW_H */
diff --git a/include/uapi/linux/dcbnl.h b/include/uapi/linux/dcbnl.h
index e711f20dc522..6497d7933d5b 100644
--- a/include/uapi/linux/dcbnl.h
+++ b/include/uapi/linux/dcbnl.h
@@ -78,6 +78,70 @@ struct ieee_maxrate {
         __u64   tc_maxrate[IEEE_8021QAZ_MAX_TCS];
 };
 
+enum dcbnl_cndd_states {
+        DCB_CNDD_RESET = 0,
+        DCB_CNDD_EDGE,
+        DCB_CNDD_INTERIOR,
+        DCB_CNDD_INTERIOR_READY,
+};
+
+/* This structure contains the IEEE 802.1Qau QCN managed object.
+ *
+ *@rpg_enable: enable QCN RP
+ *@rppp_max_rps: maximum number of RPs allowed for this CNPV on this port
+ *@rpg_time_reset: time between rate increases if no CNMs received.
+ *                 given in u-seconds
+ *@rpg_byte_reset: transmitted data between rate increases if no CNMs received.
+ *                 given in Bytes
+ *@rpg_threshold: The number of times rpByteStage or rpTimeStage can count
+ *                 before RP rate control state machine advances states
+ *@rpg_max_rate: the maxinun rate, in Mbits per second,
+ *               at which an RP can transmit
+ *@rpg_ai_rate: The rate, in Mbits per second,
+ *              used to increase rpTargetRate in the RPR_ACTIVE_INCREASE
+ *@rpg_hai_rate: The rate, in Mbits per second,
+ *               used to increase rpTargetRate in the RPR_HYPER_INCREASE state
+ *@rpg_gd: Upon CNM receive, flow rate is limited to (Fb/Gd)*CurrentRate.