ibmvnic: Update TX pool cleaning routine

Update routine that cleans up any outstanding transmits that
have not received completions when the device needs to close.
Introduces a helper function that cleans one TX pool to make
code more readable.

Signed-off-by: Thomas Falcon <tlfalcon@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/ibm/ibmvnic.c b/drivers/net/ethernet/ibm/ibmvnic.c
index af6f819..5632c03 100644 (file)
--- a/drivers/net/ethernet/ibm/ibmvnic.c
+++ b/drivers/net/ethernet/ibm/ibmvnic.c
@@ -1128,34 +1128,42 @@ static void clean_rx_pools(struct ibmvnic_adapter *adapter)
        }
 }
 
-static void clean_tx_pools(struct ibmvnic_adapter *adapter)
+static void clean_one_tx_pool(struct ibmvnic_adapter *adapter,
+                             struct ibmvnic_tx_pool *tx_pool)
 {
-       struct ibmvnic_tx_pool *tx_pool;
        struct ibmvnic_tx_buff *tx_buff;
        u64 tx_entries;
+       int i;
+
+       if (!tx_pool && !tx_pool->tx_buff)
+               return;
+
+       tx_entries = tx_pool->num_buffers;
+
+       for (i = 0; i < tx_entries; i++) {
+               tx_buff = &tx_pool->tx_buff[i];
+               if (tx_buff && tx_buff->skb) {
+                       dev_kfree_skb_any(tx_buff->skb);
+                       tx_buff->skb = NULL;
+               }
+       }
+}
+
+static void clean_tx_pools(struct ibmvnic_adapter *adapter)
+{
        int tx_scrqs;
-       int i, j;
+       int i;
 
-       if (!adapter->tx_pool)
+       if (!adapter->tx_pool || !adapter->tso_pool)
                return;
 
        tx_scrqs = be32_to_cpu(adapter->login_rsp_buf->num_txsubm_subcrqs);
-       tx_entries = adapter->req_tx_entries_per_subcrq;
 
        /* Free any remaining skbs in the tx buffer pools */
        for (i = 0; i < tx_scrqs; i++) {
-               tx_pool = &adapter->tx_pool[i];
-               if (!tx_pool && !tx_pool->tx_buff)
-                       continue;
-
                netdev_dbg(adapter->netdev, "Cleaning tx_pool[%d]\n", i);
-               for (j = 0; j < tx_entries; j++) {
-                       tx_buff = &tx_pool->tx_buff[j];
-                       if (tx_buff && tx_buff->skb) {
-                               dev_kfree_skb_any(tx_buff->skb);
-                               tx_buff->skb = NULL;
-                       }
-               }
+               clean_one_tx_pool(adapter, &adapter->tx_pool[i]);
+               clean_one_tx_pool(adapter, &adapter->tso_pool[i]);
        }
 }