diff options
| -rw-r--r-- | drivers/net/ethernet/ibm/ibmvnic.c | 8 | ||||
| -rw-r--r-- | drivers/net/ethernet/ibm/ibmvnic.h | 1 |
2 files changed, 7 insertions, 2 deletions
diff --git a/drivers/net/ethernet/ibm/ibmvnic.c b/drivers/net/ethernet/ibm/ibmvnic.c index 996f47568f9e..64770a1c406d 100644 --- a/drivers/net/ethernet/ibm/ibmvnic.c +++ b/drivers/net/ethernet/ibm/ibmvnic.c @@ -1467,6 +1467,7 @@ static int ibmvnic_xmit(struct sk_buff *skb, struct net_device *netdev) if ((*hdrs >> 7) & 1) { build_hdr_descs_arr(tx_buff, &num_entries, *hdrs); tx_crq.v1.n_crq_elem = num_entries; + tx_buff->num_entries = num_entries; tx_buff->indir_arr[0] = tx_crq; tx_buff->indir_dma = dma_map_single(dev, tx_buff->indir_arr, sizeof(tx_buff->indir_arr), @@ -1515,7 +1516,7 @@ static int ibmvnic_xmit(struct sk_buff *skb, struct net_device *netdev) goto out; } - if (atomic_inc_return(&tx_scrq->used) + if (atomic_add_return(num_entries, &tx_scrq->used) >= adapter->req_tx_entries_per_subcrq) { netdev_info(netdev, "Stopping queue %d\n", queue_num); netif_stop_subqueue(netdev, queue_num); @@ -2468,6 +2469,7 @@ static int ibmvnic_complete_tx(struct ibmvnic_adapter *adapter, restart_loop: while (pending_scrq(adapter, scrq)) { unsigned int pool = scrq->pool_index; + int num_entries = 0; next = ibmvnic_next_scrq(adapter, scrq); for (i = 0; i < next->tx_comp.num_comps; i++) { @@ -2498,6 +2500,8 @@ restart_loop: txbuff->skb = NULL; } + num_entries += txbuff->num_entries; + adapter->tx_pool[pool].free_map[adapter->tx_pool[pool]. producer_index] = index; adapter->tx_pool[pool].producer_index = @@ -2507,7 +2511,7 @@ restart_loop: /* remove tx_comp scrq*/ next->tx_comp.first = 0; - if (atomic_sub_return(next->tx_comp.num_comps, &scrq->used) <= + if (atomic_sub_return(num_entries, &scrq->used) <= (adapter->req_tx_entries_per_subcrq / 2) && __netif_subqueue_stopped(adapter->netdev, scrq->pool_index)) { diff --git a/drivers/net/ethernet/ibm/ibmvnic.h b/drivers/net/ethernet/ibm/ibmvnic.h index fe21a6e2ddae..2f51458ccdc3 100644 --- a/drivers/net/ethernet/ibm/ibmvnic.h +++ b/drivers/net/ethernet/ibm/ibmvnic.h @@ -909,6 +909,7 @@ struct ibmvnic_tx_buff { union sub_crq indir_arr[6]; u8 hdr_data[140]; dma_addr_t indir_dma; + int num_entries; }; struct ibmvnic_tx_pool { |