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-rw-r--r--include/linux/blk-cgroup.h4
-rw-r--r--include/linux/netdevice.h7
-rw-r--r--include/linux/omap-dma.h2
-rw-r--r--include/linux/spi/spi.h38
-rw-r--r--include/linux/spi/spi_bitbang.h2
-rw-r--r--include/net/dst_metadata.h32
-rw-r--r--include/uapi/linux/openvswitch.h3
7 files changed, 69 insertions, 19 deletions
diff --git a/include/linux/blk-cgroup.h b/include/linux/blk-cgroup.h
index 0a5cc7a1109b..c02e669945e9 100644
--- a/include/linux/blk-cgroup.h
+++ b/include/linux/blk-cgroup.h
@@ -713,9 +713,9 @@ static inline bool blkcg_bio_issue_check(struct request_queue *q,
if (!throtl) {
blkg = blkg ?: q->root_blkg;
- blkg_rwstat_add(&blkg->stat_bytes, bio->bi_flags,
+ blkg_rwstat_add(&blkg->stat_bytes, bio->bi_rw,
bio->bi_iter.bi_size);
- blkg_rwstat_add(&blkg->stat_ios, bio->bi_flags, 1);
+ blkg_rwstat_add(&blkg->stat_ios, bio->bi_rw, 1);
}
rcu_read_unlock();
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 2d15e3831440..210d11a75e4f 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -1054,6 +1054,10 @@ typedef u16 (*select_queue_fallback_t)(struct net_device *dev,
* This function is used to pass protocol port error state information
* to the switch driver. The switch driver can react to the proto_down
* by doing a phys down on the associated switch port.
+ * int (*ndo_fill_metadata_dst)(struct net_device *dev, struct sk_buff *skb);
+ * This function is used to get egress tunnel information for given skb.
+ * This is useful for retrieving outer tunnel header parameters while
+ * sampling packet.
*
*/
struct net_device_ops {
@@ -1227,6 +1231,8 @@ struct net_device_ops {
int (*ndo_get_iflink)(const struct net_device *dev);
int (*ndo_change_proto_down)(struct net_device *dev,
bool proto_down);
+ int (*ndo_fill_metadata_dst)(struct net_device *dev,
+ struct sk_buff *skb);
};
/**
@@ -2203,6 +2209,7 @@ void dev_add_offload(struct packet_offload *po);
void dev_remove_offload(struct packet_offload *po);
int dev_get_iflink(const struct net_device *dev);
+int dev_fill_metadata_dst(struct net_device *dev, struct sk_buff *skb);
struct net_device *__dev_get_by_flags(struct net *net, unsigned short flags,
unsigned short mask);
struct net_device *dev_get_by_name(struct net *net, const char *name);
diff --git a/include/linux/omap-dma.h b/include/linux/omap-dma.h
index e5a70132a240..88fa8af2b937 100644
--- a/include/linux/omap-dma.h
+++ b/include/linux/omap-dma.h
@@ -17,7 +17,7 @@
#include <linux/platform_device.h>
-#define INT_DMA_LCD 25
+#define INT_DMA_LCD (NR_IRQS_LEGACY + 25)
#define OMAP1_DMA_TOUT_IRQ (1 << 0)
#define OMAP_DMA_DROP_IRQ (1 << 1)
diff --git a/include/linux/spi/spi.h b/include/linux/spi/spi.h
index 6b00f18f5e6b..635bff60eda5 100644
--- a/include/linux/spi/spi.h
+++ b/include/linux/spi/spi.h
@@ -51,6 +51,8 @@ extern struct bus_type spi_bus_type;
* @bytes_tx: number of bytes sent to device
* @bytes_rx: number of bytes received from device
*
+ * @transfer_bytes_histo:
+ * transfer bytes histogramm
*/
struct spi_statistics {
spinlock_t lock; /* lock for the whole structure */
@@ -68,6 +70,8 @@ struct spi_statistics {
unsigned long long bytes_rx;
unsigned long long bytes_tx;
+#define SPI_STATISTICS_HISTO_SIZE 17
+ unsigned long transfer_bytes_histo[SPI_STATISTICS_HISTO_SIZE];
};
void spi_statistics_add_transfer_stats(struct spi_statistics *stats,
@@ -843,8 +847,10 @@ extern int spi_bus_unlock(struct spi_master *master);
* @len: data buffer size
* Context: can sleep
*
- * This writes the buffer and returns zero or a negative error code.
+ * This function writes the buffer @buf.
* Callable only from contexts that can sleep.
+ *
+ * Return: zero on success, else a negative error code.
*/
static inline int
spi_write(struct spi_device *spi, const void *buf, size_t len)
@@ -867,8 +873,10 @@ spi_write(struct spi_device *spi, const void *buf, size_t len)
* @len: data buffer size
* Context: can sleep
*
- * This reads the buffer and returns zero or a negative error code.
+ * This function reads the buffer @buf.
* Callable only from contexts that can sleep.
+ *
+ * Return: zero on success, else a negative error code.
*/
static inline int
spi_read(struct spi_device *spi, void *buf, size_t len)
@@ -895,7 +903,7 @@ spi_read(struct spi_device *spi, void *buf, size_t len)
*
* For more specific semantics see spi_sync().
*
- * It returns zero on success, else a negative error code.
+ * Return: Return: zero on success, else a negative error code.
*/
static inline int
spi_sync_transfer(struct spi_device *spi, struct spi_transfer *xfers,
@@ -919,9 +927,10 @@ extern int spi_write_then_read(struct spi_device *spi,
* @cmd: command to be written before data is read back
* Context: can sleep
*
- * This returns the (unsigned) eight bit number returned by the
- * device, or else a negative error code. Callable only from
- * contexts that can sleep.
+ * Callable only from contexts that can sleep.
+ *
+ * Return: the (unsigned) eight bit number returned by the
+ * device, or else a negative error code.
*/
static inline ssize_t spi_w8r8(struct spi_device *spi, u8 cmd)
{
@@ -940,12 +949,13 @@ static inline ssize_t spi_w8r8(struct spi_device *spi, u8 cmd)
* @cmd: command to be written before data is read back
* Context: can sleep
*
- * This returns the (unsigned) sixteen bit number returned by the
- * device, or else a negative error code. Callable only from
- * contexts that can sleep.
- *
* The number is returned in wire-order, which is at least sometimes
* big-endian.
+ *
+ * Callable only from contexts that can sleep.
+ *
+ * Return: the (unsigned) sixteen bit number returned by the
+ * device, or else a negative error code.
*/
static inline ssize_t spi_w8r16(struct spi_device *spi, u8 cmd)
{
@@ -964,13 +974,13 @@ static inline ssize_t spi_w8r16(struct spi_device *spi, u8 cmd)
* @cmd: command to be written before data is read back
* Context: can sleep
*
- * This returns the (unsigned) sixteen bit number returned by the device in cpu
- * endianness, or else a negative error code. Callable only from contexts that
- * can sleep.
- *
* This function is similar to spi_w8r16, with the exception that it will
* convert the read 16 bit data word from big-endian to native endianness.
*
+ * Callable only from contexts that can sleep.
+ *
+ * Return: the (unsigned) sixteen bit number returned by the device in cpu
+ * endianness, or else a negative error code.
*/
static inline ssize_t spi_w8r16be(struct spi_device *spi, u8 cmd)
diff --git a/include/linux/spi/spi_bitbang.h b/include/linux/spi/spi_bitbang.h
index 85578d4be034..154788ed218c 100644
--- a/include/linux/spi/spi_bitbang.h
+++ b/include/linux/spi/spi_bitbang.h
@@ -4,7 +4,7 @@
#include <linux/workqueue.h>
struct spi_bitbang {
- spinlock_t lock;
+ struct mutex lock;
u8 busy;
u8 use_dma;
u8 flags; /* extra spi->mode support */
diff --git a/include/net/dst_metadata.h b/include/net/dst_metadata.h
index af9d5382f6cb..ce009710120c 100644
--- a/include/net/dst_metadata.h
+++ b/include/net/dst_metadata.h
@@ -60,6 +60,38 @@ static inline struct metadata_dst *tun_rx_dst(int md_size)
return tun_dst;
}
+static inline struct metadata_dst *tun_dst_unclone(struct sk_buff *skb)
+{
+ struct metadata_dst *md_dst = skb_metadata_dst(skb);
+ int md_size = md_dst->u.tun_info.options_len;
+ struct metadata_dst *new_md;
+
+ if (!md_dst)
+ return ERR_PTR(-EINVAL);
+
+ new_md = metadata_dst_alloc(md_size, GFP_ATOMIC);
+ if (!new_md)
+ return ERR_PTR(-ENOMEM);
+
+ memcpy(&new_md->u.tun_info, &md_dst->u.tun_info,
+ sizeof(struct ip_tunnel_info) + md_size);
+ skb_dst_drop(skb);
+ dst_hold(&new_md->dst);
+ skb_dst_set(skb, &new_md->dst);
+ return new_md;
+}
+
+static inline struct ip_tunnel_info *skb_tunnel_info_unclone(struct sk_buff *skb)
+{
+ struct metadata_dst *dst;
+
+ dst = tun_dst_unclone(skb);
+ if (IS_ERR(dst))
+ return NULL;
+
+ return &dst->u.tun_info;
+}
+
static inline struct metadata_dst *ip_tun_rx_dst(struct sk_buff *skb,
__be16 flags,
__be64 tunnel_id,
diff --git a/include/uapi/linux/openvswitch.h b/include/uapi/linux/openvswitch.h
index 036f73bc54cd..e663627a8ef3 100644
--- a/include/uapi/linux/openvswitch.h
+++ b/include/uapi/linux/openvswitch.h
@@ -620,7 +620,8 @@ struct ovs_action_hash {
* enum ovs_ct_attr - Attributes for %OVS_ACTION_ATTR_CT action.
* @OVS_CT_ATTR_COMMIT: If present, commits the connection to the conntrack
* table. This allows future packets for the same connection to be identified
- * as 'established' or 'related'.
+ * as 'established' or 'related'. The flow key for the current packet will
+ * retain the pre-commit connection state.
* @OVS_CT_ATTR_ZONE: u16 connection tracking zone.
* @OVS_CT_ATTR_MARK: u32 value followed by u32 mask. For each bit set in the
* mask, the corresponding bit in the value is copied to the connection