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nfp: prepare config and enable for working without netdevs 

Out of the three stages of ifup/ifdown (allocate, configure, start)
- this commit prepares the configuration stage for working with
control vNICs.

Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jakub Kicinski 2017-06-05 17:01:49 -07:00 committed by David S. Miller
parent a7b1ad0875
commit 5c0dbe9ecf
1 changed files with 3 additions and 2 deletions
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3
drivers/net/ethernet/netronome/nfp/nfp_net_common.c
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@ -2236,9 +2236,10 @@ static int nfp_net_set_config_and_enable(struct nfp_net *nn)
nn_writeq(nn, NFP_NET_CFG_RXRS_ENABLE, nn->dp.num_rx_rings == 64 ? nn_writeq(nn, NFP_NET_CFG_RXRS_ENABLE, nn->dp.num_rx_rings == 64 ?
0xffffffffffffffffULL : ((u64)1 << nn->dp.num_rx_rings) - 1); 0xffffffffffffffffULL : ((u64)1 << nn->dp.num_rx_rings) - 1);
if (nn->dp.netdev)
nfp_net_write_mac_addr(nn, nn->dp.netdev->dev_addr); nfp_net_write_mac_addr(nn, nn->dp.netdev->dev_addr);
nn_writel(nn, NFP_NET_CFG_MTU, nn->dp.netdev->mtu); nn_writel(nn, NFP_NET_CFG_MTU, nn->dp.mtu);
bufsz = nn->dp.fl_bufsz - nn->dp.rx_dma_off - NFP_NET_RX_BUF_NON_DATA; bufsz = nn->dp.fl_bufsz - nn->dp.rx_dma_off - NFP_NET_RX_BUF_NON_DATA;
nn_writel(nn, NFP_NET_CFG_FLBUFSZ, bufsz); nn_writel(nn, NFP_NET_CFG_FLBUFSZ, bufsz);