ef100 will need this if it gets GSO skbs it can't handle (e.g. too long
header length).
Signed-off-by: Edward Cree <ec...@solarflare.com>
---
drivers/net/ethernet/sfc/tx.c | 28 ----------------------------
drivers/net/ethernet/sfc/tx_common.c | 27 +++++++++++++++++++++++++++
drivers/net/ethernet/sfc/tx_common.h | 2 +-
3 files changed, 28 insertions(+), 29 deletions(-)
diff --git a/drivers/net/ethernet/sfc/tx.c b/drivers/net/ethernet/sfc/tx.c
index 19b58563cb78..ed20f6aef435 100644
--- a/drivers/net/ethernet/sfc/tx.c
+++ b/drivers/net/ethernet/sfc/tx.c
@@ -268,34 +268,6 @@ static int efx_enqueue_skb_pio(struct efx_tx_queue
*tx_queue,
}
#endif /* EFX_USE_PIO */
-/*
- * Fallback to software TSO.
- *
- * This is used if we are unable to send a GSO packet through hardware TSO.
- * This should only ever happen due to per-queue restrictions - unsupported
- * packets should first be filtered by the feature flags.
- *
- * Returns 0 on success, error code otherwise.
- */
-static int efx_tx_tso_fallback(struct efx_tx_queue *tx_queue,
- struct sk_buff *skb)
-{
- struct sk_buff *segments, *next;
-
- segments = skb_gso_segment(skb, 0);
- if (IS_ERR(segments))
- return PTR_ERR(segments);
-
- dev_consume_skb_any(skb);
-
- skb_list_walk_safe(segments, skb, next) {
- skb_mark_not_on_list(skb);
- efx_enqueue_skb(tx_queue, skb);
- }
-
- return 0;
-}
-
/*
* Add a socket buffer to a TX queue
*
diff --git a/drivers/net/ethernet/sfc/tx_common.c
b/drivers/net/ethernet/sfc/tx_common.c
index 70876df1da69..9a005e7c2c68 100644
--- a/drivers/net/ethernet/sfc/tx_common.c
+++ b/drivers/net/ethernet/sfc/tx_common.c
@@ -405,3 +405,30 @@ unsigned int efx_tx_max_skb_descs(struct efx_nic *efx)
return max_descs;
}
+
+/*
+ * Fallback to software TSO.
+ *
+ * This is used if we are unable to send a GSO packet through hardware TSO.
+ * This should only ever happen due to per-queue restrictions - unsupported
+ * packets should first be filtered by the feature flags.
+ *
+ * Returns 0 on success, error code otherwise.
+ */
+int efx_tx_tso_fallback(struct efx_tx_queue *tx_queue, struct sk_buff *skb)
+{
+ struct sk_buff *segments, *next;
+
+ segments = skb_gso_segment(skb, 0);
+ if (IS_ERR(segments))
+ return PTR_ERR(segments);
+
+ dev_consume_skb_any(skb);
+
+ skb_list_walk_safe(segments, skb, next) {
+ skb_mark_not_on_list(skb);
+ efx_enqueue_skb(tx_queue, skb);
+ }
+
+ return 0;
+}
diff --git a/drivers/net/ethernet/sfc/tx_common.h
b/drivers/net/ethernet/sfc/tx_common.h
index 99cf7ce2f36c..82e2e291317d 100644
--- a/drivers/net/ethernet/sfc/tx_common.h
+++ b/drivers/net/ethernet/sfc/tx_common.h
@@ -38,5 +38,5 @@ int efx_tx_map_data(struct efx_tx_queue *tx_queue, struct
sk_buff *skb,
unsigned int segment_count);
unsigned int efx_tx_max_skb_descs(struct efx_nic *efx);
-
+int efx_tx_tso_fallback(struct efx_tx_queue *tx_queue, struct sk_buff *skb);
#endif
