Create a new function that encapsulates recording information needed
for TX channel statistics when a transaction is committed.
Record the accumulated length in the transaction before the call
(for both RX and TX), so it can be used when updating TX statistics.
Signed-off-by: Alex Elder <elder@xxxxxxxxxx>
---
drivers/net/ipa/gsi.c | 11 +++++++++++
drivers/net/ipa/gsi_private.h | 9 +++++++++
drivers/net/ipa/gsi_trans.c | 11 +++--------
drivers/net/ipa/gsi_trans.h | 7 ++++---
4 files changed, 27 insertions(+), 11 deletions(-)
diff --git a/drivers/net/ipa/gsi.c b/drivers/net/ipa/gsi.c
index 5b446d2a07c8a..1091ac23567d5 100644
--- a/drivers/net/ipa/gsi.c
+++ b/drivers/net/ipa/gsi.c
@@ -991,6 +991,17 @@ void gsi_resume(struct gsi *gsi)
enable_irq(gsi->irq);
}
+void gsi_trans_tx_committed(struct gsi_trans *trans)
+{
+ struct gsi_channel *channel = &trans->gsi->channel[trans->channel_id];
+
+ trans->trans_count = channel->trans_count;
+ trans->byte_count = channel->byte_count;
+
+ channel->trans_count++;
+ channel->byte_count += trans->len;
+}
+
void gsi_trans_tx_queued(struct gsi_trans *trans)
{
u32 channel_id = trans->channel_id;
diff --git a/drivers/net/ipa/gsi_private.h b/drivers/net/ipa/gsi_private.h
index 56450a1899074..74cbc287fc715 100644
--- a/drivers/net/ipa/gsi_private.h
+++ b/drivers/net/ipa/gsi_private.h
@@ -104,6 +104,15 @@ void gsi_channel_doorbell(struct gsi_channel *channel);
*/
void *gsi_ring_virt(struct gsi_ring *ring, u32 index);
+/**
+ * gsi_trans_tx_committed() - Record bytes committed for transmit
+ * @trans: TX endpoint transaction being committed
+ *
+ * Report that a TX transaction has been committed. It updates some
+ * statistics used to manage transmit rates.
+ */
+void gsi_trans_tx_committed(struct gsi_trans *trans);
+
/**
* gsi_trans_tx_queued() - Report a queued TX channel transaction
* @trans: Transaction being passed to hardware
diff --git a/drivers/net/ipa/gsi_trans.c b/drivers/net/ipa/gsi_trans.c
index 986857eb39296..a110be72f70b6 100644
--- a/drivers/net/ipa/gsi_trans.c
+++ b/drivers/net/ipa/gsi_trans.c
@@ -586,14 +586,9 @@ static void __gsi_trans_commit(struct gsi_trans *trans, bool ring_db)
}
tre_ring->index += trans->used_count;
- if (channel->toward_ipa) {
- /* We record TX bytes when they are sent */
- trans->len = byte_count;
- trans->trans_count = channel->trans_count;
- trans->byte_count = channel->byte_count;
- channel->trans_count++;
- channel->byte_count += byte_count;
- }
+ trans->len = byte_count;
+ if (channel->toward_ipa)
+ gsi_trans_tx_committed(trans);
/* Associate the last TRE with the transaction */
gsi_channel_trans_map(channel, tre_ring->index - 1, trans);
diff --git a/drivers/net/ipa/gsi_trans.h b/drivers/net/ipa/gsi_trans.h
index b5f80250ca006..7084507830c21 100644
--- a/drivers/net/ipa/gsi_trans.h
+++ b/drivers/net/ipa/gsi_trans.h
@@ -35,7 +35,7 @@ struct gsi_trans_pool;
* @cancelled: If set by the core code, transaction was cancelled
* @rsvd_count: Number of TREs reserved for this transaction
* @used_count: Number of TREs *used* (could be less than rsvd_count)
- * @len: Total # of transfer bytes represented in sgl[] (set by core)
+ * @len: Number of bytes sent or received by the transaction
* @data: Preserved but not touched by the core transaction code
* @cmd_opcode: Array of command opcodes (command channel only)
* @sgl: An array of scatter/gather entries managed by core code
@@ -45,8 +45,9 @@ struct gsi_trans_pool;
* @byte_count: TX channel byte count recorded when transaction committed
* @trans_count: Channel transaction count when committed (for BQL accounting)
*
- * The size used for some fields in this structure were chosen to ensure
- * the full structure size is no larger than 128 bytes.
+ * The @len field is set when the transaction is committed. For RX
+ * transactions it is updated later to reflect the actual number of bytes
+ * received.
*/
struct gsi_trans {
struct list_head links; /* gsi_channel lists */
--
2.34.1
