Release 4.16 drivers/net/ethernet/netronome/nfp/nfp_app.c
/*
* Copyright (C) 2017 Netronome Systems, Inc.
*
* This software is dual licensed under the GNU General License Version 2,
* June 1991 as shown in the file COPYING in the top-level directory of this
* source tree or the BSD 2-Clause License provided below. You have the
* option to license this software under the complete terms of either license.
*
* The BSD 2-Clause License:
*
* Redistribution and use in source and binary forms, with or
* without modification, are permitted provided that the following
* conditions are met:
*
* 1. Redistributions of source code must retain the above
* copyright notice, this list of conditions and the following
* disclaimer.
*
* 2. Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include <linux/bug.h>
#include <linux/lockdep.h>
#include <linux/rcupdate.h>
#include <linux/skbuff.h>
#include <linux/slab.h>
#include "nfpcore/nfp_cpp.h"
#include "nfpcore/nfp_nffw.h"
#include "nfp_app.h"
#include "nfp_main.h"
#include "nfp_net.h"
#include "nfp_net_repr.h"
static const struct nfp_app_type *apps[] = {
[NFP_APP_CORE_NIC] = &app_nic,
#ifdef CONFIG_BPF_SYSCALL
[NFP_APP_BPF_NIC] = &app_bpf,
#else
[NFP_APP_BPF_NIC] = &app_nic,
#endif
#ifdef CONFIG_NFP_APP_FLOWER
[NFP_APP_FLOWER_NIC] = &app_flower,
#endif
};
struct nfp_app *nfp_app_from_netdev(struct net_device *netdev)
{
if (nfp_netdev_is_nfp_net(netdev)) {
struct nfp_net *nn = netdev_priv(netdev);
return nn->app;
}
if (nfp_netdev_is_nfp_repr(netdev)) {
struct nfp_repr *repr = netdev_priv(netdev);
return repr->app;
}
WARN(1, "Unknown netdev type for nfp_app\n");
return NULL;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Jakub Kiciński | 70 | 100.00% | 1 | 100.00% |
| Total | 70 | 100.00% | 1 | 100.00% |
const char *nfp_app_mip_name(struct nfp_app *app)
{
if (!app || !app->pf->mip)
return "";
return nfp_mip_name(app->pf->mip);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Jakub Kiciński | 37 | 100.00% | 1 | 100.00% |
| Total | 37 | 100.00% | 1 | 100.00% |
struct sk_buff *
nfp_app_ctrl_msg_alloc(struct nfp_app *app, unsigned int size, gfp_t priority)
{
struct sk_buff *skb;
if (nfp_app_ctrl_has_meta(app))
size += 8;
skb = alloc_skb(size, priority);
if (!skb)
return NULL;
if (nfp_app_ctrl_has_meta(app))
skb_reserve(skb, 8);
return skb;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Jakub Kiciński | 65 | 94.20% | 1 | 50.00% |
| Simon Horman | 4 | 5.80% | 1 | 50.00% |
| Total | 69 | 100.00% | 2 | 100.00% |
struct nfp_reprs *
nfp_reprs_get_locked(struct nfp_app *app, enum nfp_repr_type type)
{
return rcu_dereference_protected(app->reprs[type],
lockdep_is_held(&app->pf->lock));
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Simon Horman | 33 | 89.19% | 1 | 50.00% |
| Jakub Kiciński | 4 | 10.81% | 1 | 50.00% |
| Total | 37 | 100.00% | 2 | 100.00% |
struct nfp_reprs *
nfp_app_reprs_set(struct nfp_app *app, enum nfp_repr_type type,
struct nfp_reprs *reprs)
{
struct nfp_reprs *old;
old = nfp_reprs_get_locked(app, type);
rcu_assign_pointer(app->reprs[type], reprs);
return old;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Jakub Kiciński | 33 | 66.00% | 1 | 50.00% |
| Simon Horman | 17 | 34.00% | 1 | 50.00% |
| Total | 50 | 100.00% | 2 | 100.00% |
struct nfp_app *nfp_app_alloc(struct nfp_pf *pf, enum nfp_app_id id)
{
struct nfp_app *app;
if (id >= ARRAY_SIZE(apps) || !apps[id]) {
nfp_err(pf->cpp, "unknown FW app ID 0x%02hhx, driver too old or support for FW not built in\n", id);
return ERR_PTR(-EINVAL);
}
if (WARN_ON(!apps[id]->name || !apps[id]->vnic_alloc))
return ERR_PTR(-EINVAL);
app = kzalloc(sizeof(*app), GFP_KERNEL);
if (!app)
return ERR_PTR(-ENOMEM);
app->pf = pf;
app->cpp = pf->cpp;
app->pdev = pf->pdev;
app->type = apps[id];
return app;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Jakub Kiciński | 143 | 100.00% | 6 | 100.00% |
| Total | 143 | 100.00% | 6 | 100.00% |
void nfp_app_free(struct nfp_app *app)
{
kfree(app);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Jakub Kiciński | 15 | 100.00% | 1 | 100.00% |
| Total | 15 | 100.00% | 1 | 100.00% |
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Jakub Kiciński | 443 | 87.55% | 12 | 75.00% |
| Simon Horman | 60 | 11.86% | 3 | 18.75% |
| Mark Brown | 3 | 0.59% | 1 | 6.25% |
| Total | 506 | 100.00% | 16 | 100.00% |
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