2 * Copyright (C) 2017 Netronome Systems, Inc.
4 * This software is dual licensed under the GNU General License Version 2,
5 * June 1991 as shown in the file COPYING in the top-level directory of this
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7 * option to license this software under the complete terms of either license.
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12 * without modification, are permitted provided that the following
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16 * copyright notice, this list of conditions and the following
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24 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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30 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
34 #ifndef NFP_NET_REPR_H
35 #define NFP_NET_REPR_H
42 #include <net/dst_metadata.h>
45 * struct nfp_reprs - container for representor netdevs
46 * @num_reprs: Number of elements in reprs array
47 * @reprs: Array of representor netdevs
50 unsigned int num_reprs;
51 struct net_device __rcu *reprs[0];
55 * struct nfp_repr_pcpu_stats
56 * @rx_packets: Received packets
57 * @rx_bytes: Received bytes
58 * @tx_packets: Transmitted packets
59 * @tx_bytes: Transmitted dropped
60 * @tx_drops: Packets dropped on transmit
61 * @syncp: Reference count
63 struct nfp_repr_pcpu_stats {
69 struct u64_stats_sync syncp;
73 * struct nfp_repr - priv data for representor netdevs
74 * @netdev: Back pointer to netdev
75 * @dst: Destination for packet TX
76 * @port: Port of representor
78 * @stats: Statistic of packets hitting CPU
81 struct net_device *netdev;
82 struct metadata_dst *dst;
83 struct nfp_port *port;
85 struct nfp_repr_pcpu_stats __percpu *stats;
89 * enum nfp_repr_type - type of representor
90 * @NFP_REPR_TYPE_PHYS_PORT: external NIC port
91 * @NFP_REPR_TYPE_PF: physical function
92 * @NFP_REPR_TYPE_VF: virtual function
93 * @__NFP_REPR_TYPE_MAX: number of representor types
96 NFP_REPR_TYPE_PHYS_PORT,
102 #define NFP_REPR_TYPE_MAX (__NFP_REPR_TYPE_MAX - 1)
104 extern const struct net_device_ops nfp_repr_netdev_ops;
106 static inline bool nfp_netdev_is_nfp_repr(struct net_device *netdev)
108 return netdev->netdev_ops == &nfp_repr_netdev_ops;
111 static inline int nfp_repr_get_port_id(struct net_device *netdev)
113 struct nfp_repr *priv = netdev_priv(netdev);
115 return priv->dst->u.port_info.port_id;
119 nfp_repr_get_locked(struct nfp_app *app, struct nfp_reprs *set,
122 void nfp_repr_inc_rx_stats(struct net_device *netdev, unsigned int len);
123 int nfp_repr_init(struct nfp_app *app, struct net_device *netdev,
124 u32 cmsg_port_id, struct nfp_port *port,
125 struct net_device *pf_netdev);
126 struct net_device *nfp_repr_alloc(struct nfp_app *app);
127 void nfp_reprs_clean_and_free(struct nfp_app *app, struct nfp_reprs *reprs);
128 void nfp_reprs_clean_and_free_by_type(struct nfp_app *app,
129 enum nfp_repr_type type);
130 struct nfp_reprs *nfp_reprs_alloc(unsigned int num_reprs);
131 int nfp_reprs_resync_phys_ports(struct nfp_app *app);
133 #endif /* NFP_NET_REPR_H */