diff options
Diffstat (limited to 'drivers/net/ethernet/marvell/octeontx2/nic/cn10k.h')
| -rw-r--r-- | drivers/net/ethernet/marvell/octeontx2/nic/cn10k.h | 21 |
1 files changed, 18 insertions, 3 deletions
diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/cn10k.h b/drivers/net/ethernet/marvell/octeontx2/nic/cn10k.h index 1a1ae334477d..8ae96815865e 100644 --- a/drivers/net/ethernet/marvell/octeontx2/nic/cn10k.h +++ b/drivers/net/ethernet/marvell/octeontx2/nic/cn10k.h @@ -1,7 +1,8 @@ -/* SPDX-License-Identifier: GPL-2.0 - * Marvell OcteonTx2 RVU Ethernet driver +/* SPDX-License-Identifier: GPL-2.0 */ +/* Marvell RVU Ethernet driver + * + * Copyright (C) 2021 Marvell. * - * Copyright (C) 2020 Marvell. */ #ifndef CN10K_H @@ -9,6 +10,20 @@ #include "otx2_common.h" +static inline int mtu_to_dwrr_weight(struct otx2_nic *pfvf, int mtu) +{ + u32 weight; + + /* On OTx2, since AF returns DWRR_MTU as '1', this logic + * will work on those silicons as well. + */ + weight = mtu / pfvf->hw.dwrr_mtu; + if (mtu % pfvf->hw.dwrr_mtu) + weight += 1; + + return weight; +} + void cn10k_refill_pool_ptrs(void *dev, struct otx2_cq_queue *cq); void cn10k_sqe_flush(void *dev, struct otx2_snd_queue *sq, int size, int qidx); int cn10k_sq_aq_init(void *dev, u16 qidx, u16 sqb_aura); |