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
6 * source tree or the BSD 2-Clause License provided below. You have the
7 * option to license this software under the complete terms of either license.
9 * The BSD 2-Clause License:
11 * Redistribution and use in source and binary forms, with or
12 * without modification, are permitted provided that the following
15 * 1. Redistributions of source code must retain the above
16 * copyright notice, this list of conditions and the following
19 * 2. Redistributions in binary form must reproduce the above
20 * copyright notice, this list of conditions and the following
21 * disclaimer in the documentation and/or other materials
22 * provided with the distribution.
24 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
25 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
26 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
27 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
28 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
29 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
30 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
34 #include <linux/skbuff.h>
35 #include <linux/slab.h>
37 #include "nfpcore/nfp_cpp.h"
38 #include "nfpcore/nfp_nffw.h"
42 #include "nfp_net_repr.h"
44 static const struct nfp_app_type
*apps
[] = {
47 #ifdef CONFIG_NFP_APP_FLOWER
52 struct nfp_app
*nfp_app_from_netdev(struct net_device
*netdev
)
54 if (nfp_netdev_is_nfp_net(netdev
)) {
55 struct nfp_net
*nn
= netdev_priv(netdev
);
60 if (nfp_netdev_is_nfp_repr(netdev
)) {
61 struct nfp_repr
*repr
= netdev_priv(netdev
);
66 WARN(1, "Unknown netdev type for nfp_app\n");
71 const char *nfp_app_mip_name(struct nfp_app
*app
)
73 if (!app
|| !app
->pf
->mip
)
75 return nfp_mip_name(app
->pf
->mip
);
79 nfp_app_ctrl_msg_alloc(struct nfp_app
*app
, unsigned int size
, gfp_t priority
)
83 if (nfp_app_ctrl_has_meta(app
))
86 skb
= alloc_skb(size
, priority
);
90 if (nfp_app_ctrl_has_meta(app
))
97 nfp_app_reprs_set(struct nfp_app
*app
, enum nfp_repr_type type
,
98 struct nfp_reprs
*reprs
)
100 struct nfp_reprs
*old
;
102 old
= rcu_dereference_protected(app
->reprs
[type
],
103 lockdep_is_held(&app
->pf
->lock
));
105 old
= ERR_PTR(-EBUSY
);
109 rcu_assign_pointer(app
->reprs
[type
], reprs
);
115 struct nfp_app
*nfp_app_alloc(struct nfp_pf
*pf
, enum nfp_app_id id
)
120 for (i
= 0; i
< ARRAY_SIZE(apps
); i
++)
121 if (apps
[i
]->id
== id
)
123 if (i
== ARRAY_SIZE(apps
)) {
124 nfp_err(pf
->cpp
, "failed to find app with ID 0x%02hhx\n", id
);
125 return ERR_PTR(-EINVAL
);
128 if (WARN_ON(!apps
[i
]->name
|| !apps
[i
]->vnic_alloc
))
129 return ERR_PTR(-EINVAL
);
131 app
= kzalloc(sizeof(*app
), GFP_KERNEL
);
133 return ERR_PTR(-ENOMEM
);
137 app
->pdev
= pf
->pdev
;
143 void nfp_app_free(struct nfp_app
*app
)