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Commit 670b5274 authored by Jakub Kicinski's avatar Jakub Kicinski Committed by David S. Miller
Browse files

nfp: implement netpoll ndo (thus enabling netconsole) 



NFP NAPI handling will only complete the TXed packets when called
with budget of 0, implement ndo_poll_controller by scheduling NAPI
on all TX queues.

Signed-off-by: default avatarJakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 18aa5b18

drivers/net/ethernet/netronome/nfp/nfp_net_common.c

+18 −0
Original line number Diff line number Diff line
@@ -3115,6 +3115,21 @@ nfp_net_vlan_rx_kill_vid(struct net_device *netdev, __be16 proto, u16 vid) 
	return nfp_net_reconfig_mbox(nn, NFP_NET_CFG_MBOX_CMD_CTAG_FILTER_KILL);

}



#ifdef CONFIG_NET_POLL_CONTROLLER

static void nfp_net_netpoll(struct net_device *netdev)

{

	struct nfp_net *nn = netdev_priv(netdev);

	int i;



	/* nfp_net's NAPIs are statically allocated so even if there is a race

	 * with reconfig path this will simply try to schedule some disabled

	 * NAPI instances.

	 */

	for (i = 0; i < nn->dp.num_stack_tx_rings; i++)

		napi_schedule_irqoff(&nn->r_vecs[i].napi);

}

#endif



static void nfp_net_stat64(struct net_device *netdev,

			   struct rtnl_link_stats64 *stats)

{
@@ -3482,6 +3497,9 @@ const struct net_device_ops nfp_net_netdev_ops = { 
	.ndo_get_stats64	= nfp_net_stat64,

	.ndo_vlan_rx_add_vid	= nfp_net_vlan_rx_add_vid,

	.ndo_vlan_rx_kill_vid	= nfp_net_vlan_rx_kill_vid,

#ifdef CONFIG_NET_POLL_CONTROLLER

	.ndo_poll_controller	= nfp_net_netpoll,

#endif

	.ndo_set_vf_mac         = nfp_app_set_vf_mac,

	.ndo_set_vf_vlan        = nfp_app_set_vf_vlan,

	.ndo_set_vf_spoofchk    = nfp_app_set_vf_spoofchk,