diff options
Diffstat (limited to 'drivers/net/ethernet/huawei/hinic/hinic_hw_wq.c')
| -rw-r--r-- | drivers/net/ethernet/huawei/hinic/hinic_hw_wq.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/net/ethernet/huawei/hinic/hinic_hw_wq.c b/drivers/net/ethernet/huawei/hinic/hinic_hw_wq.c index 3e3181c089bd..f92f1bf3901a 100644 --- a/drivers/net/ethernet/huawei/hinic/hinic_hw_wq.c +++ b/drivers/net/ethernet/huawei/hinic/hinic_hw_wq.c @@ -775,6 +775,20 @@ struct hinic_hw_wqe *hinic_get_wqe(struct hinic_wq *wq, unsigned int wqe_size, } /** + * hinic_return_wqe - return the wqe when transmit failed + * @wq: wq to return wqe + * @wqe_size: wqe size + **/ +void hinic_return_wqe(struct hinic_wq *wq, unsigned int wqe_size) +{ + int num_wqebbs = ALIGN(wqe_size, wq->wqebb_size) / wq->wqebb_size; + + atomic_sub(num_wqebbs, &wq->prod_idx); + + atomic_add(num_wqebbs, &wq->delta); +} + +/** * hinic_put_wqe - return the wqe place to use for a new wqe * @wq: wq to return wqe * @wqe_size: wqe size |