Lines Matching refs:family
75 * also abused this API and relied on family == group ID, we
76 * cater to that by giving it a static family and group ID.
86 static int genl_ctrl_event(int event, struct genl_family *family,
124 static const struct genl_ops *genl_get_cmd(u8 cmd, struct genl_family *family)
128 for (i = 0; i < family->n_ops; i++)
129 if (family->ops[i].cmd == cmd)
130 return &family->ops[i];
217 static int genl_validate_assign_mc_groups(struct genl_family *family)
220 int n_groups = family->n_mcgrps;
228 const struct genl_multicast_group *grp = &family->mcgrps[i];
237 if (family == &genl_ctrl) {
240 } else if (strcmp(family->name, "NET_DM") == 0) {
243 } else if (family->id == GENL_ID_VFS_DQUOT) {
246 } else if (family->id == GENL_ID_PMCRAID) {
256 family->mcgrp_offset = first_id;
262 if (family->netnsok) {
288 for (i = 0; i < family->n_mcgrps; i++)
289 clear_bit(family->mcgrp_offset + i, mc_groups);
295 static void genl_unregister_mc_groups(struct genl_family *family)
303 for (i = 0; i < family->n_mcgrps; i++)
305 net->genl_sock, family->mcgrp_offset + i);
310 for (i = 0; i < family->n_mcgrps; i++) {
311 int grp_id = family->mcgrp_offset + i;
315 genl_ctrl_event(CTRL_CMD_DELMCAST_GRP, family,
316 &family->mcgrps[i], grp_id);
320 static int genl_validate_ops(const struct genl_family *family)
322 const struct genl_ops *ops = family->ops;
323 unsigned int n_ops = family->n_ops;
344 * __genl_register_family - register a generic netlink family
345 * @family: generic netlink family
347 * Registers the specified family after validating it first. Only one
348 * family may be registered with the same family name or identifier.
349 * The family id may equal GENL_ID_GENERATE causing an unique id to
352 * The family's ops array must already be assigned, you can use the
357 int __genl_register_family(struct genl_family *family)
361 if (family->id && family->id < GENL_MIN_ID)
364 if (family->id > GENL_MAX_ID)
367 err = genl_validate_ops(family);
373 if (genl_family_find_byname(family->name)) {
378 if (family->id == GENL_ID_GENERATE) {
386 family->id = newid;
387 } else if (genl_family_find_byid(family->id)) {
392 if (family->maxattr && !family->parallel_ops) {
393 family->attrbuf = kmalloc((family->maxattr+1) *
395 if (family->attrbuf == NULL) {
400 family->attrbuf = NULL;
402 err = genl_validate_assign_mc_groups(family);
406 list_add_tail(&family->family_list, genl_family_chain(family->id));
410 genl_ctrl_event(CTRL_CMD_NEWFAMILY, family, NULL, 0);
411 for (i = 0; i < family->n_mcgrps; i++)
412 genl_ctrl_event(CTRL_CMD_NEWMCAST_GRP, family,
413 &family->mcgrps[i], family->mcgrp_offset + i);
425 * genl_unregister_family - unregister generic netlink family
426 * @family: generic netlink family
428 * Unregisters the specified family.
432 int genl_unregister_family(struct genl_family *family)
438 genl_unregister_mc_groups(family);
440 list_for_each_entry(rc, genl_family_chain(family->id), family_list) {
441 if (family->id != rc->id || strcmp(rc->name, family->name))
445 family->n_ops = 0;
448 kfree(family->attrbuf);
449 genl_ctrl_event(CTRL_CMD_DELFAMILY, family, NULL, 0);
484 * @family: generic netlink family
491 struct genl_family *family, int flags, u8 cmd)
496 nlh = nlmsg_put(skb, portid, seq, family->id, GENL_HDRLEN +
497 family->hdrsize, flags);
503 hdr->version = family->version;
536 static int genl_family_rcv_msg(struct genl_family *family,
547 /* this family doesn't exist in this netns */
548 if (!family->netnsok && !net_eq(net, &init_net))
551 hdrlen = GENL_HDRLEN + family->hdrsize;
555 ops = genl_get_cmd(hdr->cmd, family);
569 if (!family->parallel_ops) {
571 .module = family->module,
584 .module = family->module,
598 if (family->maxattr && family->parallel_ops) {
599 attrbuf = kmalloc((family->maxattr+1) *
604 attrbuf = family->attrbuf;
607 err = nlmsg_parse(nlh, hdrlen, attrbuf, family->maxattr,
623 if (family->pre_doit) {
624 err = family->pre_doit(ops, skb, &info);
631 if (family->post_doit)
632 family->post_doit(ops, skb, &info);
635 if (family->parallel_ops)
643 struct genl_family *family;
646 family = genl_family_find_byid(nlh->nlmsg_type);
647 if (family == NULL)
650 if (!family->parallel_ops)
653 err = genl_family_rcv_msg(family, skb, nlh);
655 if (!family->parallel_ops)
680 static int ctrl_fill_info(struct genl_family *family, u32 portid, u32 seq,
689 if (nla_put_string(skb, CTRL_ATTR_FAMILY_NAME, family->name) ||
690 nla_put_u16(skb, CTRL_ATTR_FAMILY_ID, family->id) ||
691 nla_put_u32(skb, CTRL_ATTR_VERSION, family->version) ||
692 nla_put_u32(skb, CTRL_ATTR_HDRSIZE, family->hdrsize) ||
693 nla_put_u32(skb, CTRL_ATTR_MAXATTR, family->maxattr))
696 if (family->n_ops) {
704 for (i = 0; i < family->n_ops; i++) {
706 const struct genl_ops *ops = &family->ops[i];
730 if (family->n_mcgrps) {
738 for (i = 0; i < family->n_mcgrps; i++) {
742 grp = &family->mcgrps[i];
749 family->mcgrp_offset + i) ||
766 static int ctrl_fill_mcgrp_info(struct genl_family *family,
779 if (nla_put_string(skb, CTRL_ATTR_FAMILY_NAME, family->name) ||
780 nla_put_u16(skb, CTRL_ATTR_FAMILY_ID, family->id))
838 static struct sk_buff *ctrl_build_family_msg(struct genl_family *family,
848 err = ctrl_fill_info(family, portid, seq, 0, skb, cmd);
858 ctrl_build_mcgrp_msg(struct genl_family *family,
869 err = ctrl_fill_mcgrp_info(family, grp, grp_id, portid,
906 request_module("net-pf-%d-proto-%d-family-%s",
920 /* family doesn't exist here */
932 static int genl_ctrl_event(int event, struct genl_family *family,
946 msg = ctrl_build_family_msg(family, 0, 0, event);
951 msg = ctrl_build_mcgrp_msg(family, grp, grp_id, 0, 0, event);
960 if (!family->netnsok) {
1069 int genlmsg_multicast_allns(struct genl_family *family, struct sk_buff *skb,
1072 if (WARN_ON_ONCE(group >= family->n_mcgrps))
1074 group = family->mcgrp_offset + group;
1079 void genl_notify(struct genl_family *family,
1089 if (WARN_ON_ONCE(group >= family->n_mcgrps))
1091 group = family->mcgrp_offset + group;