diff options
Diffstat (limited to 'drivers/net/ethernet/aquantia/atlantic/aq_ring.c')
| -rw-r--r-- | drivers/net/ethernet/aquantia/atlantic/aq_ring.c | 26 |
1 files changed, 25 insertions, 1 deletions
diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_ring.c b/drivers/net/ethernet/aquantia/atlantic/aq_ring.c index 76bdbe1596d6..8e84ff6eefe3 100644 --- a/drivers/net/ethernet/aquantia/atlantic/aq_ring.c +++ b/drivers/net/ethernet/aquantia/atlantic/aq_ring.c @@ -1,7 +1,7 @@ // SPDX-License-Identifier: GPL-2.0-only /* * aQuantia Corporation Network Driver - * Copyright (C) 2014-2017 aQuantia Corporation. All rights reserved + * Copyright (C) 2014-2019 aQuantia Corporation. All rights reserved */ /* File aq_ring.c: Definition of functions for Rx/Tx rings. */ @@ -177,6 +177,30 @@ err_exit: return self; } +struct aq_ring_s * +aq_ring_hwts_rx_alloc(struct aq_ring_s *self, struct aq_nic_s *aq_nic, + unsigned int idx, unsigned int size, unsigned int dx_size) +{ + struct device *dev = aq_nic_get_dev(aq_nic); + size_t sz = size * dx_size + AQ_CFG_RXDS_DEF; + + memset(self, 0, sizeof(*self)); + + self->aq_nic = aq_nic; + self->idx = idx; + self->size = size; + self->dx_size = dx_size; + + self->dx_ring = dma_alloc_coherent(dev, sz, &self->dx_ring_pa, + GFP_KERNEL); + if (!self->dx_ring) { + aq_ring_free(self); + return NULL; + } + + return self; +} + int aq_ring_init(struct aq_ring_s *self) { self->hw_head = 0; |