diff options
| author |   Jakub Kicinski <jakub.kicinski@netronome.com> | 2019-06-05 14:11:34 -0700 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2019-06-06 14:13:39 -0700 |
| commit | d3e4dfe060cc818262425b8606b502f79c3d9116 (patch) | |
| tree | 327974a5e8a764a6aad74a91837db6b8b24a7830 /drivers/net/ethernet/netronome/nfp/nfp_net_common.c | |
| parent | nfp: parse the mailbox cmsg TLV (diff) | |
| download | linux-dev-d3e4dfe060cc818262425b8606b502f79c3d9116.tar.xz linux-dev-d3e4dfe060cc818262425b8606b502f79c3d9116.zip | |
nfp: add support for sending control messages via mailbox
FW may prefer to handle some communication via a mailbox
or the vNIC may simply not have a control queue (VFs).
Add a way of exchanging ccm-compatible messages via a
mailbox.
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Dirk van der Merwe <dirk.vandermerwe@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/netronome/nfp/nfp_net_common.c')
| -rw-r--r-- | drivers/net/ethernet/netronome/nfp/nfp_net_common.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net_common.c b/drivers/net/ethernet/netronome/nfp/nfp_net_common.c index 39d70936c741..0ccc5206340b 100644 --- a/drivers/net/ethernet/netronome/nfp/nfp_net_common.c +++ b/drivers/net/ethernet/netronome/nfp/nfp_net_common.c @@ -3705,6 +3705,9 @@ nfp_net_alloc(struct pci_dev *pdev, void __iomem *ctrl_bar, bool needs_netdev, timer_setup(&nn->reconfig_timer, nfp_net_reconfig_timer, 0); + skb_queue_head_init(&nn->mbox_cmsg.queue); + init_waitqueue_head(&nn->mbox_cmsg.wq); + err = nfp_net_tlv_caps_parse(&nn->pdev->dev, nn->dp.ctrl_bar, &nn->tlv_caps); if (err) @@ -3727,6 +3730,7 @@ err_free_nn: void nfp_net_free(struct nfp_net *nn) { WARN_ON(timer_pending(&nn->reconfig_timer) || nn->reconfig_posted); + WARN_ON(!skb_queue_empty(&nn->mbox_cmsg.queue)); if (nn->dp.netdev) free_netdev(nn->dp.netdev); |