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: Yuval Mintz <Yuval.Mintz@cavium.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -580,6 +580,24 @@ static const struct net_device_ops qede_netdev_vf_ops = {
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.ndo_features_check = qede_features_check,
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};
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static const struct net_device_ops qede_netdev_vf_xdp_ops = {
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.ndo_open = qede_open,
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.ndo_stop = qede_close,
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.ndo_start_xmit = qede_start_xmit,
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.ndo_set_rx_mode = qede_set_rx_mode,
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.ndo_set_mac_address = qede_set_mac_addr,
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.ndo_validate_addr = eth_validate_addr,
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.ndo_change_mtu = qede_change_mtu,
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.ndo_vlan_rx_add_vid = qede_vlan_rx_add_vid,
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.ndo_vlan_rx_kill_vid = qede_vlan_rx_kill_vid,
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.ndo_set_features = qede_set_features,
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.ndo_get_stats64 = qede_get_stats64,
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.ndo_udp_tunnel_add = qede_udp_tunnel_add,
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.ndo_udp_tunnel_del = qede_udp_tunnel_del,
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.ndo_features_check = qede_features_check,
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.ndo_xdp = qede_xdp,
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};
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/* -------------------------------------------------------------------------
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* START OF PROBE / REMOVE
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* -------------------------------------------------------------------------
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@ -645,10 +663,14 @@ static void qede_init_ndev(struct qede_dev *edev)
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ndev->watchdog_timeo = TX_TIMEOUT;
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if (IS_VF(edev))
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ndev->netdev_ops = &qede_netdev_vf_ops;
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else
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if (IS_VF(edev)) {
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if (edev->dev_info.xdp_supported)
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ndev->netdev_ops = &qede_netdev_vf_xdp_ops;
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else
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ndev->netdev_ops = &qede_netdev_vf_ops;
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} else {
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ndev->netdev_ops = &qede_netdev_ops;
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}
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qede_set_ethtool_ops(ndev);
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@ -846,6 +868,12 @@ static void qede_update_pf_params(struct qed_dev *cdev)
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/* 64 rx + 64 tx + 64 XDP */
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memset(&pf_params, 0, sizeof(struct qed_pf_params));
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pf_params.eth_pf_params.num_cons = (MAX_SB_PER_PF_MIMD - 1) * 3;
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/* Same for VFs - make sure they'll have sufficient connections
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* to support XDP Tx queues.
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*/
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pf_params.eth_pf_params.num_vf_cons = 48;
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#ifdef CONFIG_RFS_ACCEL
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pf_params.eth_pf_params.num_arfs_filters = QEDE_RFS_MAX_FLTR;
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#endif
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