cregit-Linux how code gets into the kernel

Release 4.11 net/ieee802154/netlink.c

Directory: net/ieee802154
/*
 * Netlink interface for IEEE 802.15.4 stack
 *
 * Copyright 2007, 2008 Siemens AG
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2
 * as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * Written by:
 * Sergey Lapin <slapin@ossfans.org>
 * Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
 * Maxim Osipov <maxim.osipov@siemens.com>
 */

#include <linux/kernel.h>
#include <linux/gfp.h>
#include <net/genetlink.h>
#include <linux/nl802154.h>

#include "ieee802154.h"


static unsigned int ieee802154_seq_num;
static DEFINE_SPINLOCK(ieee802154_seq_lock);

/* Requests to userspace */

struct sk_buff *ieee802154_nl_create(int flags, u8 req) { void *hdr; struct sk_buff *msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_ATOMIC); unsigned long f; if (!msg) return NULL; spin_lock_irqsave(&ieee802154_seq_lock, f); hdr = genlmsg_put(msg, 0, ieee802154_seq_num++, &nl802154_family, flags, req); spin_unlock_irqrestore(&ieee802154_seq_lock, f); if (!hdr) { nlmsg_free(msg); return NULL; } return msg; }

Contributors

PersonTokensPropCommitsCommitProp
Sergey Lapin7276.60%125.00%
Dmitry Baryshkov2122.34%250.00%
Thomas Graf11.06%125.00%
Total94100.00%4100.00%


int ieee802154_nl_mcast(struct sk_buff *msg, unsigned int group) { struct nlmsghdr *nlh = nlmsg_hdr(msg); void *hdr = genlmsg_data(nlmsg_data(nlh)); genlmsg_end(msg, hdr); return genlmsg_multicast(&nl802154_family, msg, 0, group, GFP_ATOMIC); }

Contributors

PersonTokensPropCommitsCommitProp
Sergey Lapin3662.07%116.67%
Hong Zhi Guo1220.69%233.33%
Dmitry Baryshkov610.34%116.67%
Johannes Berg46.90%233.33%
Total58100.00%6100.00%


struct sk_buff *ieee802154_nl_new_reply(struct genl_info *info, int flags, u8 req) { void *hdr; struct sk_buff *msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_ATOMIC); if (!msg) return NULL; hdr = genlmsg_put_reply(msg, info, &nl802154_family, flags, req); if (!hdr) { nlmsg_free(msg); return NULL; } return msg; }

Contributors

PersonTokensPropCommitsCommitProp
Dmitry Baryshkov7598.68%150.00%
Thomas Graf11.32%150.00%
Total76100.00%2100.00%


int ieee802154_nl_reply(struct sk_buff *msg, struct genl_info *info) { struct nlmsghdr *nlh = nlmsg_hdr(msg); void *hdr = genlmsg_data(nlmsg_data(nlh)); genlmsg_end(msg, hdr); return genlmsg_reply(msg, info); }

Contributors

PersonTokensPropCommitsCommitProp
Dmitry Baryshkov3975.00%125.00%
Hong Zhi Guo1223.08%250.00%
Johannes Berg11.92%125.00%
Total52100.00%4100.00%

static const struct genl_ops ieee8021154_ops[] = { /* see nl-phy.c */ IEEE802154_DUMP(IEEE802154_LIST_PHY, ieee802154_list_phy, ieee802154_dump_phy), IEEE802154_OP(IEEE802154_ADD_IFACE, ieee802154_add_iface), IEEE802154_OP(IEEE802154_DEL_IFACE, ieee802154_del_iface), /* see nl-mac.c */ IEEE802154_OP(IEEE802154_ASSOCIATE_REQ, ieee802154_associate_req), IEEE802154_OP(IEEE802154_ASSOCIATE_RESP, ieee802154_associate_resp), IEEE802154_OP(IEEE802154_DISASSOCIATE_REQ, ieee802154_disassociate_req), IEEE802154_OP(IEEE802154_SCAN_REQ, ieee802154_scan_req), IEEE802154_OP(IEEE802154_START_REQ, ieee802154_start_req), IEEE802154_DUMP(IEEE802154_LIST_IFACE, ieee802154_list_iface, ieee802154_dump_iface), IEEE802154_OP(IEEE802154_SET_MACPARAMS, ieee802154_set_macparams), IEEE802154_OP(IEEE802154_LLSEC_GETPARAMS, ieee802154_llsec_getparams), IEEE802154_OP(IEEE802154_LLSEC_SETPARAMS, ieee802154_llsec_setparams), IEEE802154_DUMP(IEEE802154_LLSEC_LIST_KEY, NULL, ieee802154_llsec_dump_keys), IEEE802154_OP(IEEE802154_LLSEC_ADD_KEY, ieee802154_llsec_add_key), IEEE802154_OP(IEEE802154_LLSEC_DEL_KEY, ieee802154_llsec_del_key), IEEE802154_DUMP(IEEE802154_LLSEC_LIST_DEV, NULL, ieee802154_llsec_dump_devs), IEEE802154_OP(IEEE802154_LLSEC_ADD_DEV, ieee802154_llsec_add_dev), IEEE802154_OP(IEEE802154_LLSEC_DEL_DEV, ieee802154_llsec_del_dev), IEEE802154_DUMP(IEEE802154_LLSEC_LIST_DEVKEY, NULL, ieee802154_llsec_dump_devkeys), IEEE802154_OP(IEEE802154_LLSEC_ADD_DEVKEY, ieee802154_llsec_add_devkey), IEEE802154_OP(IEEE802154_LLSEC_DEL_DEVKEY, ieee802154_llsec_del_devkey), IEEE802154_DUMP(IEEE802154_LLSEC_LIST_SECLEVEL, NULL, ieee802154_llsec_dump_seclevels), IEEE802154_OP(IEEE802154_LLSEC_ADD_SECLEVEL, ieee802154_llsec_add_seclevel), IEEE802154_OP(IEEE802154_LLSEC_DEL_SECLEVEL, ieee802154_llsec_del_seclevel), }; static const struct genl_multicast_group ieee802154_mcgrps[] = { [IEEE802154_COORD_MCGRP] = { .name = IEEE802154_MCAST_COORD_NAME, }, [IEEE802154_BEACON_MCGRP] = { .name = IEEE802154_MCAST_BEACON_NAME, }, }; struct genl_family nl802154_family __ro_after_init = { .hdrsize = 0, .name = IEEE802154_NL_NAME, .version = 1, .maxattr = IEEE802154_ATTR_MAX, .module = THIS_MODULE, .ops = ieee8021154_ops, .n_ops = ARRAY_SIZE(ieee8021154_ops), .mcgrps = ieee802154_mcgrps, .n_mcgrps = ARRAY_SIZE(ieee802154_mcgrps), };
int __init ieee802154_nl_init(void) { return genl_register_family(&nl802154_family); }

Contributors

PersonTokensPropCommitsCommitProp
Sergey Lapin640.00%125.00%
Johannes Berg640.00%250.00%
Dmitry Baryshkov320.00%125.00%
Total15100.00%4100.00%


void ieee802154_nl_exit(void) { genl_unregister_family(&nl802154_family); }

Contributors

PersonTokensPropCommitsCommitProp
Sergey Lapin1292.31%150.00%
Dmitry Baryshkov17.69%150.00%
Total13100.00%2100.00%


Overall Contributors

PersonTokensPropCommitsCommitProp
Johannes Berg17728.73%736.84%
Dmitry Baryshkov15224.68%315.79%
Sergey Lapin14323.21%15.26%
Phoebe Buckheister11418.51%315.79%
Hong Zhi Guo243.90%210.53%
Tejun Heo30.49%15.26%
Thomas Graf20.32%15.26%
Varka Bhadram10.16%15.26%
Total616100.00%19100.00%
Directory: net/ieee802154
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