diff --git a/drivers/net/ethernet/emulex/benet/be.h b/drivers/net/ethernet/emulex/benet/be.h index 8ccaa2520dc3e9f154ae10b5e866e99173531274..97db5a7179df1c6c733bed5e25e5be3d44d39fa1 100644 --- a/drivers/net/ethernet/emulex/benet/be.h +++ b/drivers/net/ethernet/emulex/benet/be.h @@ -374,6 +374,7 @@ enum vf_state { #define BE_FLAGS_NAPI_ENABLED (1 << 9) #define BE_FLAGS_QNQ_ASYNC_EVT_RCVD (1 << 11) #define BE_FLAGS_VXLAN_OFFLOADS (1 << 12) +#define BE_FLAGS_SETUP_DONE (1 << 13) #define BE_UC_PMAC_COUNT 30 #define BE_VF_UC_PMAC_COUNT 2 diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c index 3e6df47b69735b3c357d1499df8be3dd122aa917..a18645407d2152b43353a50b76ccf6317ef90151 100644 --- a/drivers/net/ethernet/emulex/benet/be_main.c +++ b/drivers/net/ethernet/emulex/benet/be_main.c @@ -2033,11 +2033,13 @@ static void be_tx_compl_clean(struct be_adapter *adapter) bool dummy_wrb; int i, pending_txqs; - /* Wait for a max of 200ms for all the tx-completions to arrive. */ + /* Stop polling for compls when HW has been silent for 10ms */ do { pending_txqs = adapter->num_tx_qs; for_all_tx_queues(adapter, txo, i) { + cmpl = 0; + num_wrbs = 0; txq = &txo->q; while ((txcp = be_tx_compl_get(&txo->cq))) { end_idx = @@ -2050,14 +2052,13 @@ static void be_tx_compl_clean(struct be_adapter *adapter) if (cmpl) { be_cq_notify(adapter, txo->cq.id, false, cmpl); atomic_sub(num_wrbs, &txq->used); - cmpl = 0; - num_wrbs = 0; + timeo = 0; } if (atomic_read(&txq->used) == 0) pending_txqs--; } - if (pending_txqs == 0 || ++timeo > 200) + if (pending_txqs == 0 || ++timeo > 10 || be_hw_error(adapter)) break; mdelay(1); @@ -2725,6 +2726,12 @@ static int be_close(struct net_device *netdev) struct be_eq_obj *eqo; int i; + /* This protection is needed as be_close() may be called even when the + * adapter is in cleared state (after eeh perm failure) + */ + if (!(adapter->flags & BE_FLAGS_SETUP_DONE)) + return 0; + be_roce_dev_close(adapter); if (adapter->flags & BE_FLAGS_NAPI_ENABLED) { @@ -3055,6 +3062,7 @@ static int be_clear(struct be_adapter *adapter) be_clear_queues(adapter); be_msix_disable(adapter); + adapter->flags &= ~BE_FLAGS_SETUP_DONE; return 0; } @@ -3559,6 +3567,7 @@ static int be_setup(struct be_adapter *adapter) adapter->phy.fc_autoneg = 1; be_schedule_worker(adapter); + adapter->flags |= BE_FLAGS_SETUP_DONE; return 0; err: be_clear(adapter);