Revert "hv_netvsc: make inline functions static"

These functions are used by other code misc-next tree.

This reverts commit 30d1de08c87ddde6f73936c3350e7e153988fe02.

Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/hyperv/netvsc.c b/drivers/net/hyperv/netvsc.c
index 2a9ccc4..ff05b9b 100644 (file)
--- a/drivers/net/hyperv/netvsc.c
+++ b/drivers/net/hyperv/netvsc.c
@@ -33,89 +33,6 @@
 
 #include "hyperv_net.h"
 
-/*
- * An API to support in-place processing of incoming VMBUS packets.
- */
-#define VMBUS_PKT_TRAILER      8
-
-static struct vmpacket_descriptor *
-get_next_pkt_raw(struct vmbus_channel *channel)
-{
-       struct hv_ring_buffer_info *ring_info = &channel->inbound;
-       u32 read_loc = ring_info->priv_read_index;
-       void *ring_buffer = hv_get_ring_buffer(ring_info);
-       struct vmpacket_descriptor *cur_desc;
-       u32 packetlen;
-       u32 dsize = ring_info->ring_datasize;
-       u32 delta = read_loc - ring_info->ring_buffer->read_index;
-       u32 bytes_avail_toread = (hv_get_bytes_to_read(ring_info) - delta);
-
-       if (bytes_avail_toread < sizeof(struct vmpacket_descriptor))
-               return NULL;
-
-       if ((read_loc + sizeof(*cur_desc)) > dsize)
-               return NULL;
-
-       cur_desc = ring_buffer + read_loc;
-       packetlen = cur_desc->len8 << 3;
-
-       /*
-        * If the packet under consideration is wrapping around,
-        * return failure.
-        */
-       if ((read_loc + packetlen + VMBUS_PKT_TRAILER) > (dsize - 1))
-               return NULL;
-
-       return cur_desc;
-}
-
-/*
- * A helper function to step through packets "in-place"
- * This API is to be called after each successful call
- * get_next_pkt_raw().
- */
-static void put_pkt_raw(struct vmbus_channel *channel,
-                       struct vmpacket_descriptor *desc)
-{
-       struct hv_ring_buffer_info *ring_info = &channel->inbound;
-       u32 read_loc = ring_info->priv_read_index;
-       u32 packetlen = desc->len8 << 3;
-       u32 dsize = ring_info->ring_datasize;
-
-       BUG_ON((read_loc + packetlen + VMBUS_PKT_TRAILER) > dsize);
-
-       /*
-        * Include the packet trailer.
-        */
-       ring_info->priv_read_index += packetlen + VMBUS_PKT_TRAILER;
-}
-
-/*
- * This call commits the read index and potentially signals the host.
- * Here is the pattern for using the "in-place" consumption APIs:
- *
- * while (get_next_pkt_raw() {
- *     process the packet "in-place";
- *     put_pkt_raw();
- * }
- * if (packets processed in place)
- *     commit_rd_index();
- */
-static void commit_rd_index(struct vmbus_channel *channel)
-{
-       struct hv_ring_buffer_info *ring_info = &channel->inbound;
-       /*
-        * Make sure all reads are done before we update the read index since
-        * the writer may start writing to the read area once the read index
-        * is updated.
-        */
-       virt_rmb();
-       ring_info->ring_buffer->read_index = ring_info->priv_read_index;
-
-       if (hv_need_to_signal_on_read(ring_info))
-               vmbus_set_event(channel);
-}
-
 /*
  * Switch the data path from the synthetic interface to the VF
  * interface.
@@ -840,7 +757,7 @@ static u32 netvsc_copy_to_send_buf(struct netvsc_device *net_device,
        return msg_size;
 }
 
-static int netvsc_send_pkt(
+static inline int netvsc_send_pkt(
        struct hv_device *device,
        struct hv_netvsc_packet *packet,
        struct netvsc_device *net_device,

diff --git a/include/linux/hyperv.h b/include/linux/hyperv.h
index b01c8c3..5df444b 100644 (file)
--- a/include/linux/hyperv.h
+++ b/include/linux/hyperv.h
@@ -1429,4 +1429,88 @@ static inline  bool hv_need_to_signal_on_read(struct hv_ring_buffer_info *rbi)
        return false;
 }
 
+/*
+ * An API to support in-place processing of incoming VMBUS packets.
+ */
+#define VMBUS_PKT_TRAILER      8
+
+static inline struct vmpacket_descriptor *
+get_next_pkt_raw(struct vmbus_channel *channel)
+{
+       struct hv_ring_buffer_info *ring_info = &channel->inbound;
+       u32 read_loc = ring_info->priv_read_index;
+       void *ring_buffer = hv_get_ring_buffer(ring_info);
+       struct vmpacket_descriptor *cur_desc;
+       u32 packetlen;
+       u32 dsize = ring_info->ring_datasize;
+       u32 delta = read_loc - ring_info->ring_buffer->read_index;
+       u32 bytes_avail_toread = (hv_get_bytes_to_read(ring_info) - delta);
+
+       if (bytes_avail_toread < sizeof(struct vmpacket_descriptor))
+               return NULL;
+
+       if ((read_loc + sizeof(*cur_desc)) > dsize)
+               return NULL;
+
+       cur_desc = ring_buffer + read_loc;
+       packetlen = cur_desc->len8 << 3;
+
+       /*
+        * If the packet under consideration is wrapping around,
+        * return failure.
+        */
+       if ((read_loc + packetlen + VMBUS_PKT_TRAILER) > (dsize - 1))
+               return NULL;
+
+       return cur_desc;
+}
+
+/*
+ * A helper function to step through packets "in-place"
+ * This API is to be called after each successful call
+ * get_next_pkt_raw().
+ */
+static inline void put_pkt_raw(struct vmbus_channel *channel,
+                               struct vmpacket_descriptor *desc)
+{
+       struct hv_ring_buffer_info *ring_info = &channel->inbound;
+       u32 read_loc = ring_info->priv_read_index;
+       u32 packetlen = desc->len8 << 3;
+       u32 dsize = ring_info->ring_datasize;
+
+       if ((read_loc + packetlen + VMBUS_PKT_TRAILER) > dsize)
+               BUG();
+       /*
+        * Include the packet trailer.
+        */
+       ring_info->priv_read_index += packetlen + VMBUS_PKT_TRAILER;
+}
+
+/*
+ * This call commits the read index and potentially signals the host.
+ * Here is the pattern for using the "in-place" consumption APIs:
+ *
+ * while (get_next_pkt_raw() {
+ *     process the packet "in-place";
+ *     put_pkt_raw();
+ * }
+ * if (packets processed in place)
+ *     commit_rd_index();
+ */
+static inline void commit_rd_index(struct vmbus_channel *channel)
+{
+       struct hv_ring_buffer_info *ring_info = &channel->inbound;
+       /*
+        * Make sure all reads are done before we update the read index since
+        * the writer may start writing to the read area once the read index
+        * is updated.
+        */
+       virt_rmb();
+       ring_info->ring_buffer->read_index = ring_info->priv_read_index;
+
+       if (hv_need_to_signal_on_read(ring_info))
+               vmbus_set_event(channel);
+}
+
+
 #endif /* _HYPERV_H */