Lines Matching refs:family
78 * also abused this API and relied on family == group ID, we
79 * cater to that by giving it a static family and group ID.
89 static int genl_ctrl_event(int event, const struct genl_family *family,
100 const struct genl_family *family;
103 idr_for_each_entry(&genl_fam_idr, family, id)
104 if (strcmp(family->name, name) == 0)
105 return family;
110 static int genl_get_cmd_cnt(const struct genl_family *family)
112 return family->n_ops + family->n_small_ops;
115 static void genl_op_from_full(const struct genl_family *family,
118 *op = family->ops[i];
121 op->maxattr = family->maxattr;
123 op->policy = family->policy;
126 static int genl_get_cmd_full(u32 cmd, const struct genl_family *family,
131 for (i = 0; i < family->n_ops; i++)
132 if (family->ops[i].cmd == cmd) {
133 genl_op_from_full(family, i, op);
140 static void genl_op_from_small(const struct genl_family *family,
144 op->doit = family->small_ops[i].doit;
145 op->dumpit = family->small_ops[i].dumpit;
146 op->cmd = family->small_ops[i].cmd;
147 op->internal_flags = family->small_ops[i].internal_flags;
148 op->flags = family->small_ops[i].flags;
149 op->validate = family->small_ops[i].validate;
151 op->maxattr = family->maxattr;
152 op->policy = family->policy;
155 static int genl_get_cmd_small(u32 cmd, const struct genl_family *family,
160 for (i = 0; i < family->n_small_ops; i++)
161 if (family->small_ops[i].cmd == cmd) {
162 genl_op_from_small(family, i, op);
169 static int genl_get_cmd(u32 cmd, const struct genl_family *family,
172 if (!genl_get_cmd_full(cmd, family, op))
174 return genl_get_cmd_small(cmd, family, op);
178 const struct genl_family *family,
181 if (i < family->n_ops)
182 genl_op_from_full(family, i, op);
183 else if (i < family->n_ops + family->n_small_ops)
184 genl_op_from_small(family, i - family->n_ops, op);
251 static int genl_validate_assign_mc_groups(struct genl_family *family)
254 int n_groups = family->n_mcgrps;
262 const struct genl_multicast_group *grp = &family->mcgrps[i];
271 if (family == &genl_ctrl) {
274 } else if (strcmp(family->name, "NET_DM") == 0) {
277 } else if (family->id == GENL_ID_VFS_DQUOT) {
280 } else if (family->id == GENL_ID_PMCRAID) {
290 family->mcgrp_offset = first_id;
296 if (family->netnsok) {
322 for (i = 0; i < family->n_mcgrps; i++)
323 clear_bit(family->mcgrp_offset + i, mc_groups);
329 static void genl_unregister_mc_groups(const struct genl_family *family)
337 for (i = 0; i < family->n_mcgrps; i++)
339 net->genl_sock, family->mcgrp_offset + i);
344 for (i = 0; i < family->n_mcgrps; i++) {
345 int grp_id = family->mcgrp_offset + i;
349 genl_ctrl_event(CTRL_CMD_DELMCAST_GRP, family,
350 &family->mcgrps[i], grp_id);
354 static int genl_validate_ops(const struct genl_family *family)
358 if (WARN_ON(family->n_ops && !family->ops) ||
359 WARN_ON(family->n_small_ops && !family->small_ops))
362 for (i = 0; i < genl_get_cmd_cnt(family); i++) {
365 genl_get_cmd_by_index(i, family, &op);
368 for (j = i + 1; j < genl_get_cmd_cnt(family); j++) {
371 genl_get_cmd_by_index(j, family, &op2);
381 * genl_register_family - register a generic netlink family
382 * @family: generic netlink family
384 * Registers the specified family after validating it first. Only one
385 * family may be registered with the same family name or identifier.
387 * The family's ops, multicast groups and module pointer must already
392 int genl_register_family(struct genl_family *family)
397 err = genl_validate_ops(family);
403 if (genl_family_find_byname(family->name)) {
411 * and having used their family ID also as their
415 if (family == &genl_ctrl) {
416 /* and this needs to be special for initial family lookups */
418 } else if (strcmp(family->name, "pmcraid") == 0) {
420 } else if (strcmp(family->name, "VFS_DQUOT") == 0) {
424 family->id = idr_alloc_cyclic(&genl_fam_idr, family,
426 if (family->id < 0) {
427 err = family->id;
431 err = genl_validate_assign_mc_groups(family);
438 genl_ctrl_event(CTRL_CMD_NEWFAMILY, family, NULL, 0);
439 for (i = 0; i < family->n_mcgrps; i++)
440 genl_ctrl_event(CTRL_CMD_NEWMCAST_GRP, family,
441 &family->mcgrps[i], family->mcgrp_offset + i);
446 idr_remove(&genl_fam_idr, family->id);
454 * genl_unregister_family - unregister generic netlink family
455 * @family: generic netlink family
457 * Unregisters the specified family.
461 int genl_unregister_family(const struct genl_family *family)
465 if (!genl_family_find_byid(family->id)) {
470 genl_unregister_mc_groups(family);
472 idr_remove(&genl_fam_idr, family->id);
479 genl_ctrl_event(CTRL_CMD_DELFAMILY, family, NULL, 0);
490 * @family: generic netlink family
497 const struct genl_family *family, int flags, u8 cmd)
502 nlh = nlmsg_put(skb, portid, seq, family->id, GENL_HDRLEN +
503 family->hdrsize, flags);
509 hdr->version = family->version;
527 genl_family_rcv_msg_attrs_parse(const struct genl_family *family,
563 const struct genl_family *family;
584 attrs = genl_family_rcv_msg_attrs_parse(ctx->family, ctx->nlh, ctx->extack,
596 info->family = ctx->family;
602 if (!ctx->family->parallel_ops)
605 if (!ctx->family->parallel_ops)
657 static int genl_family_rcv_msg_dumpit(const struct genl_family *family,
670 ctx.family = family;
676 if (!family->parallel_ops) {
678 .module = family->module,
690 .module = family->module,
703 static int genl_family_rcv_msg_doit(const struct genl_family *family,
717 attrbuf = genl_family_rcv_msg_attrs_parse(family, nlh, extack,
733 if (family->pre_doit) {
734 err = family->pre_doit(ops, skb, &info);
741 if (family->post_doit)
742 family->post_doit(ops, skb, &info);
750 static int genl_family_rcv_msg(const struct genl_family *family,
760 /* this family doesn't exist in this netns */
761 if (!family->netnsok && !net_eq(net, &init_net))
764 hdrlen = GENL_HDRLEN + family->hdrsize;
768 if (genl_get_cmd(hdr->cmd, family, &op))
780 return genl_family_rcv_msg_dumpit(family, skb, nlh, extack,
783 return genl_family_rcv_msg_doit(family, skb, nlh, extack,
790 const struct genl_family *family;
793 family = genl_family_find_byid(nlh->nlmsg_type);
794 if (family == NULL)
797 if (!family->parallel_ops)
800 err = genl_family_rcv_msg(family, skb, nlh, extack);
802 if (!family->parallel_ops)
821 static int ctrl_fill_info(const struct genl_family *family, u32 portid, u32 seq,
830 if (nla_put_string(skb, CTRL_ATTR_FAMILY_NAME, family->name) ||
831 nla_put_u16(skb, CTRL_ATTR_FAMILY_ID, family->id) ||
832 nla_put_u32(skb, CTRL_ATTR_VERSION, family->version) ||
833 nla_put_u32(skb, CTRL_ATTR_HDRSIZE, family->hdrsize) ||
834 nla_put_u32(skb, CTRL_ATTR_MAXATTR, family->maxattr))
837 if (genl_get_cmd_cnt(family)) {
845 for (i = 0; i < genl_get_cmd_cnt(family); i++) {
850 genl_get_cmd_by_index(i, family, &op);
873 if (family->n_mcgrps) {
881 for (i = 0; i < family->n_mcgrps; i++) {
885 grp = &family->mcgrps[i];
892 family->mcgrp_offset + i) ||
910 static int ctrl_fill_mcgrp_info(const struct genl_family *family,
923 if (nla_put_string(skb, CTRL_ATTR_FAMILY_NAME, family->name) ||
924 nla_put_u16(skb, CTRL_ATTR_FAMILY_ID, family->id))
978 static struct sk_buff *ctrl_build_family_msg(const struct genl_family *family,
988 err = ctrl_fill_info(family, portid, seq, 0, skb, cmd);
998 ctrl_build_mcgrp_msg(const struct genl_family *family,
1009 err = ctrl_fill_mcgrp_info(family, grp, grp_id, portid,
1046 request_module("net-pf-%d-proto-%d-family-%s",
1060 /* family doesn't exist here */
1072 static int genl_ctrl_event(int event, const struct genl_family *family,
1086 msg = ctrl_build_family_msg(family, 0, 0, event);
1091 msg = ctrl_build_mcgrp_msg(family, grp, grp_id, 0, 0, event);
1100 if (!family->netnsok) {
1369 const struct genl_family *family;
1375 idr_for_each_entry(&genl_fam_idr, family, id) {
1379 if (family->n_mcgrps == 0)
1382 i = group - family->mcgrp_offset;
1383 if (i < 0 || i >= family->n_mcgrps)
1386 grp = &family->mcgrps[i];
1489 int genlmsg_multicast_allns(const struct genl_family *family,
1493 if (WARN_ON_ONCE(group >= family->n_mcgrps))
1495 group = family->mcgrp_offset + group;
1500 void genl_notify(const struct genl_family *family, struct sk_buff *skb,
1510 if (WARN_ON_ONCE(group >= family->n_mcgrps))
1512 group = family->mcgrp_offset + group;