Commit cbc100aa authored by Naveen Mamindlapalli's avatar Naveen Mamindlapalli Committed by David S. Miller
Browse files

octeontx2-nicvf: add ndo_set_rx_mode support for multicast & promisc



Add ndo_set_rx_mode callback handler to configure promisc, multicast and
allmulti options for VF driver. Also, modified PF driver ndo_set_rx_mode
handler to support multicast and promisc mode independently.

Signed-off-by: default avatarNaveen Mamindlapalli <naveenm@marvell.com>
Signed-off-by: default avatarSunil Kovvuri Goutham <Sunil.Goutham@marvell.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 967db352
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+56 −2
Original line number Diff line number Diff line
@@ -395,6 +395,42 @@ static netdev_tx_t otx2vf_xmit(struct sk_buff *skb, struct net_device *netdev)
	return NETDEV_TX_OK;
}

static void otx2vf_set_rx_mode(struct net_device *netdev)
{
	struct otx2_nic *vf = netdev_priv(netdev);

	queue_work(vf->otx2_wq, &vf->rx_mode_work);
}

static void otx2vf_do_set_rx_mode(struct work_struct *work)
{
	struct otx2_nic *vf = container_of(work, struct otx2_nic, rx_mode_work);
	struct net_device *netdev = vf->netdev;
	unsigned int flags = netdev->flags;
	struct nix_rx_mode *req;

	mutex_lock(&vf->mbox.lock);

	req = otx2_mbox_alloc_msg_nix_set_rx_mode(&vf->mbox);
	if (!req) {
		mutex_unlock(&vf->mbox.lock);
		return;
	}

	req->mode = NIX_RX_MODE_UCAST;

	if (flags & IFF_PROMISC)
		req->mode |= NIX_RX_MODE_PROMISC;
	if (flags & (IFF_ALLMULTI | IFF_MULTICAST))
		req->mode |= NIX_RX_MODE_ALLMULTI;

	req->mode |= NIX_RX_MODE_USE_MCE;

	otx2_sync_mbox_msg(&vf->mbox);

	mutex_unlock(&vf->mbox.lock);
}

static int otx2vf_change_mtu(struct net_device *netdev, int new_mtu)
{
	bool if_up = netif_running(netdev);
@@ -432,12 +468,24 @@ static const struct net_device_ops otx2vf_netdev_ops = {
	.ndo_open = otx2vf_open,
	.ndo_stop = otx2vf_stop,
	.ndo_start_xmit = otx2vf_xmit,
	.ndo_set_rx_mode = otx2vf_set_rx_mode,
	.ndo_set_mac_address = otx2_set_mac_address,
	.ndo_change_mtu = otx2vf_change_mtu,
	.ndo_get_stats64 = otx2_get_stats64,
	.ndo_tx_timeout = otx2_tx_timeout,
};

static int otx2_wq_init(struct otx2_nic *vf)
{
	vf->otx2_wq = create_singlethread_workqueue("otx2vf_wq");
	if (!vf->otx2_wq)
		return -ENOMEM;

	INIT_WORK(&vf->rx_mode_work, otx2vf_do_set_rx_mode);
	INIT_WORK(&vf->reset_task, otx2vf_reset_task);
	return 0;
}

static int otx2vf_realloc_msix_vectors(struct otx2_nic *vf)
{
	struct otx2_hw *hw = &vf->hw;
@@ -588,8 +636,6 @@ static int otx2vf_probe(struct pci_dev *pdev, const struct pci_device_id *id)
	netdev->min_mtu = OTX2_MIN_MTU;
	netdev->max_mtu = otx2_get_max_mtu(vf);

	INIT_WORK(&vf->reset_task, otx2vf_reset_task);

	/* To distinguish, for LBK VFs set netdev name explicitly */
	if (is_otx2_lbkvf(vf->pdev)) {
		int n;
@@ -606,6 +652,10 @@ static int otx2vf_probe(struct pci_dev *pdev, const struct pci_device_id *id)
		goto err_detach_rsrc;
	}

	err = otx2_wq_init(vf);
	if (err)
		goto err_unreg_netdev;

	otx2vf_set_ethtool_ops(netdev);

	/* Enable pause frames by default */
@@ -614,6 +664,8 @@ static int otx2vf_probe(struct pci_dev *pdev, const struct pci_device_id *id)

	return 0;

err_unreg_netdev:
	unregister_netdev(netdev);
err_detach_rsrc:
	if (hw->lmt_base)
		iounmap(hw->lmt_base);
@@ -644,6 +696,8 @@ static void otx2vf_remove(struct pci_dev *pdev)

	cancel_work_sync(&vf->reset_task);
	unregister_netdev(netdev);
	if (vf->otx2_wq)
		destroy_workqueue(vf->otx2_wq);
	otx2vf_disable_mbox_intr(vf);
	otx2_detach_resources(&vf->mbox);