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authorMintz, Yuval <Yuval.Mintz@cavium.com>2017-06-04 13:31:09 +0300
committerDavid S. Miller <davem@davemloft.net>2017-06-04 23:08:31 -0400
commite7b80dece83b86f8f630a47a9e0419051c7b1005 (patch)
treeeb6307a8f2b6374702d89fe85970a7720efb017f
parentcbb8a12c089c7f04b86d08d89bdab71ec9bff1f5 (diff)
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>
-rw-r--r--drivers/net/ethernet/qlogic/qede/qede_main.c34
1 files changed, 31 insertions, 3 deletions
diff --git a/drivers/net/ethernet/qlogic/qede/qede_main.c b/drivers/net/ethernet/qlogic/qede/qede_main.c
index ad1e24962bdb..fdf04bc5406e 100644
--- a/drivers/net/ethernet/qlogic/qede/qede_main.c
+++ b/drivers/net/ethernet/qlogic/qede/qede_main.c
@@ -580,6 +580,24 @@ static const struct net_device_ops qede_netdev_vf_ops = {
.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
* -------------------------------------------------------------------------
@@ -645,10 +663,14 @@ static void qede_init_ndev(struct qede_dev *edev)
ndev->watchdog_timeo = TX_TIMEOUT;
- if (IS_VF(edev))
- ndev->netdev_ops = &qede_netdev_vf_ops;
- else
+ if (IS_VF(edev)) {
+ if (edev->dev_info.xdp_supported)
+ ndev->netdev_ops = &qede_netdev_vf_xdp_ops;
+ else
+ ndev->netdev_ops = &qede_netdev_vf_ops;
+ } else {
ndev->netdev_ops = &qede_netdev_ops;
+ }
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 */
memset(&pf_params, 0, sizeof(struct qed_pf_params));
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
pf_params.eth_pf_params.num_arfs_filters = QEDE_RFS_MAX_FLTR;
#endif