xref: /linux/drivers/net/ethernet/netronome/nfp/nic/main.c (revision 7681a4f58fb9c338d6dfe1181607f84c793d77de)
1 // SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 /* Copyright (C) 2017 Netronome Systems, Inc. */
3 
4 #include "../nfpcore/nfp_cpp.h"
5 #include "../nfpcore/nfp_nsp.h"
6 #include "../nfp_app.h"
7 #include "../nfp_main.h"
8 #include "../nfp_net.h"
9 #include "main.h"
10 
11 static int nfp_nic_init(struct nfp_app *app)
12 {
13 	struct nfp_pf *pf = app->pf;
14 
15 	if (pf->eth_tbl && pf->max_data_vnics != pf->eth_tbl->count) {
16 		nfp_err(pf->cpp, "ETH entries don't match vNICs (%d vs %d)\n",
17 			pf->max_data_vnics, pf->eth_tbl->count);
18 		return -EINVAL;
19 	}
20 
21 	return 0;
22 }
23 
24 static int nfp_nic_sriov_enable(struct nfp_app *app, int num_vfs)
25 {
26 	return 0;
27 }
28 
29 static void nfp_nic_sriov_disable(struct nfp_app *app)
30 {
31 }
32 
33 static int nfp_nic_vnic_init(struct nfp_app *app, struct nfp_net *nn)
34 {
35 	nfp_nic_dcb_init(nn);
36 
37 	return 0;
38 }
39 
40 static int nfp_nic_vnic_alloc(struct nfp_app *app, struct nfp_net *nn,
41 			      unsigned int id)
42 {
43 	struct nfp_app_nic_private *app_pri = nn->app_priv;
44 	int err;
45 
46 	err = nfp_app_nic_vnic_alloc(app, nn, id);
47 	if (err)
48 		return err;
49 
50 	if (sizeof(*app_pri)) {
51 		nn->app_priv = kzalloc(sizeof(*app_pri), GFP_KERNEL);
52 		if (!nn->app_priv)
53 			return -ENOMEM;
54 	}
55 
56 	return 0;
57 }
58 
59 static void nfp_nic_vnic_free(struct nfp_app *app, struct nfp_net *nn)
60 {
61 	kfree(nn->app_priv);
62 }
63 
64 const struct nfp_app_type app_nic = {
65 	.id		= NFP_APP_CORE_NIC,
66 	.name		= "nic",
67 
68 	.init		= nfp_nic_init,
69 	.vnic_alloc	= nfp_nic_vnic_alloc,
70 	.vnic_free	= nfp_nic_vnic_free,
71 	.sriov_enable	= nfp_nic_sriov_enable,
72 	.sriov_disable	= nfp_nic_sriov_disable,
73 
74 	.vnic_init      = nfp_nic_vnic_init,
75 };
76