diff options
| author |   Huazhong Tan <tanhuazhong@huawei.com> | 2021-06-16 14:36:14 +0800 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2021-06-16 00:36:06 -0700 |
| commit | 1a00197b7d2fe57f0be93037d5090e19a9b178c8 (patch) | |
| tree | 59bea10f875a00e7956ad2ea69968444aac0437c /drivers/net/ethernet/hisilicon/hns3/hns3_enet.c | |
| parent | net: hns3: use tx bounce buffer for small packets (diff) | |
| download | linux-dev-1a00197b7d2fe57f0be93037d5090e19a9b178c8.tar.xz linux-dev-1a00197b7d2fe57f0be93037d5090e19a9b178c8.zip | |
net: hns3: add support to query tx spare buffer size for pf
Add support to query tx spare buffer size from configuration
file, and use this info to do spare buffer initialization when
the module parameter 'tx_spare_buf_size' is not specified.
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/hisilicon/hns3/hns3_enet.c')
| -rw-r--r-- | drivers/net/ethernet/hisilicon/hns3/hns3_enet.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c index e5466daac1c4..d86b3735aa9f 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c @@ -1005,13 +1005,16 @@ static void hns3_init_tx_spare_buffer(struct hns3_enet_ring *ring) { struct hns3_tx_spare *tx_spare; struct page *page; + u32 alloc_size; dma_addr_t dma; int order; - if (!tx_spare_buf_size) + alloc_size = tx_spare_buf_size ? tx_spare_buf_size : + ring->tqp->handle->kinfo.tx_spare_buf_size; + if (!alloc_size) return; - order = get_order(tx_spare_buf_size); + order = get_order(alloc_size); tx_spare = devm_kzalloc(ring_to_dev(ring), sizeof(*tx_spare), GFP_KERNEL); if (!tx_spare) { |