Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit e7b80dec authored by Mintz, Yuval's avatar Mintz, Yuval Committed by David S. Miller
Browse files

qede: VF XDP support 



This introduces 2 changes needed for XDP to be supported for VFs:

 a. On VF-side, publish the NDO based on qed outputs

 b. On PF-side, request qed to allocate sufficient cids per-VF
    to allow the child vfs to support it

Signed-off-by: default avatarYuval Mintz <Yuval.Mintz@cavium.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent cbb8a12c

drivers/net/ethernet/qlogic/qede/qede_main.c

+31 −3
Original line number Original line Diff line number Diff line
@@ -580,6 +580,24 @@ static const struct net_device_ops qede_netdev_vf_ops = { 
	.ndo_features_check = qede_features_check,

	.ndo_features_check = qede_features_check,

};

};





static const struct net_device_ops qede_netdev_vf_xdp_ops = {

	.ndo_open = qede_open,

	.ndo_stop = qede_close,

	.ndo_start_xmit = qede_start_xmit,

	.ndo_set_rx_mode = qede_set_rx_mode,

	.ndo_set_mac_address = qede_set_mac_addr,

	.ndo_validate_addr = eth_validate_addr,

	.ndo_change_mtu = qede_change_mtu,

	.ndo_vlan_rx_add_vid = qede_vlan_rx_add_vid,

	.ndo_vlan_rx_kill_vid = qede_vlan_rx_kill_vid,

	.ndo_set_features = qede_set_features,

	.ndo_get_stats64 = qede_get_stats64,

	.ndo_udp_tunnel_add = qede_udp_tunnel_add,

	.ndo_udp_tunnel_del = qede_udp_tunnel_del,

	.ndo_features_check = qede_features_check,

	.ndo_xdp = qede_xdp,

};



/* -------------------------------------------------------------------------

/* -------------------------------------------------------------------------

 * START OF PROBE / REMOVE

 * START OF PROBE / REMOVE

 * -------------------------------------------------------------------------

 * -------------------------------------------------------------------------
@@ -645,10 +663,14 @@ static void qede_init_ndev(struct qede_dev *edev) 




	ndev->watchdog_timeo = TX_TIMEOUT;

	ndev->watchdog_timeo = TX_TIMEOUT;





	if (IS_VF(edev))

	if (IS_VF(edev)) {

		ndev->netdev_ops = &qede_netdev_vf_ops;

		if (edev->dev_info.xdp_supported)

			ndev->netdev_ops = &qede_netdev_vf_xdp_ops;

		else

		else

			ndev->netdev_ops = &qede_netdev_vf_ops;

	} else {

		ndev->netdev_ops = &qede_netdev_ops;

		ndev->netdev_ops = &qede_netdev_ops;

	}





	qede_set_ethtool_ops(ndev);

	qede_set_ethtool_ops(ndev);
@@ -846,6 +868,12 @@ static void qede_update_pf_params(struct qed_dev *cdev) 
	/* 64 rx + 64 tx + 64 XDP */

	/* 64 rx + 64 tx + 64 XDP */

	memset(&pf_params, 0, sizeof(struct qed_pf_params));

	memset(&pf_params, 0, sizeof(struct qed_pf_params));

	pf_params.eth_pf_params.num_cons = (MAX_SB_PER_PF_MIMD - 1) * 3;

	pf_params.eth_pf_params.num_cons = (MAX_SB_PER_PF_MIMD - 1) * 3;



	/* Same for VFs - make sure they'll have sufficient connections

	 * to support XDP Tx queues.

	 */

	pf_params.eth_pf_params.num_vf_cons = 48;



#ifdef CONFIG_RFS_ACCEL

#ifdef CONFIG_RFS_ACCEL

	pf_params.eth_pf_params.num_arfs_filters = QEDE_RFS_MAX_FLTR;

	pf_params.eth_pf_params.num_arfs_filters = QEDE_RFS_MAX_FLTR;

#endif

#endif