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author | Felix Fietkau <nbd@openwrt.org> | 2009-04-30 13:57:29 +0000 |
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committer | Felix Fietkau <nbd@openwrt.org> | 2009-04-30 13:57:29 +0000 |
commit | 938553bd69d1484b9d25495da4e7c2f09927638c (patch) | |
tree | caace55defd2b5d38382a27ea1ae384c1f8ecc80 /package/libnl-tiny/src/genl_family.c | |
parent | 4e12c9d210531b67d6428cb15e763f49decd8199 (diff) | |
download | mtk-20170518-938553bd69d1484b9d25495da4e7c2f09927638c.zip mtk-20170518-938553bd69d1484b9d25495da4e7c2f09927638c.tar.gz mtk-20170518-938553bd69d1484b9d25495da4e7c2f09927638c.tar.bz2 |
add libnl-tiny as a small replacement for libnl with only genl support included
SVN-Revision: 15507
Diffstat (limited to 'package/libnl-tiny/src/genl_family.c')
-rw-r--r-- | package/libnl-tiny/src/genl_family.c | 136 |
1 files changed, 136 insertions, 0 deletions
diff --git a/package/libnl-tiny/src/genl_family.c b/package/libnl-tiny/src/genl_family.c new file mode 100644 index 0000000..88aaad9 --- /dev/null +++ b/package/libnl-tiny/src/genl_family.c @@ -0,0 +1,136 @@ +/* + * lib/genl/family.c Generic Netlink Family + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation version 2.1 + * of the License. + * + * Copyright (c) 2003-2006 Thomas Graf <tgraf@suug.ch> + */ + +/** + * @ingroup genl + * @defgroup genl_family Generic Netlink Family + * @brief + * + * @{ + */ + +#include <netlink-generic.h> +#include <netlink/netlink.h> +#include <netlink/genl/genl.h> +#include <netlink/genl/family.h> +#include <netlink/utils.h> + +struct nl_object_ops genl_family_ops; +/** @endcond */ + +static void family_constructor(struct nl_object *c) +{ + struct genl_family *family = (struct genl_family *) c; + + nl_init_list_head(&family->gf_ops); +} + +static void family_free_data(struct nl_object *c) +{ + struct genl_family *family = (struct genl_family *) c; + struct genl_family_op *ops, *tmp; + + if (family == NULL) + return; + + nl_list_for_each_entry_safe(ops, tmp, &family->gf_ops, o_list) { + nl_list_del(&ops->o_list); + free(ops); + } +} + +static int family_clone(struct nl_object *_dst, struct nl_object *_src) +{ + struct genl_family *dst = nl_object_priv(_dst); + struct genl_family *src = nl_object_priv(_src); + struct genl_family_op *ops; + int err; + + nl_list_for_each_entry(ops, &src->gf_ops, o_list) { + err = genl_family_add_op(dst, ops->o_id, ops->o_flags); + if (err < 0) + return err; + } + + return 0; +} + +static int family_compare(struct nl_object *_a, struct nl_object *_b, + uint32_t attrs, int flags) +{ + struct genl_family *a = (struct genl_family *) _a; + struct genl_family *b = (struct genl_family *) _b; + int diff = 0; + +#define FAM_DIFF(ATTR, EXPR) ATTR_DIFF(attrs, FAMILY_ATTR_##ATTR, a, b, EXPR) + + diff |= FAM_DIFF(ID, a->gf_id != b->gf_id); + diff |= FAM_DIFF(VERSION, a->gf_version != b->gf_version); + diff |= FAM_DIFF(HDRSIZE, a->gf_hdrsize != b->gf_hdrsize); + diff |= FAM_DIFF(MAXATTR, a->gf_maxattr != b->gf_maxattr); + diff |= FAM_DIFF(NAME, strcmp(a->gf_name, b->gf_name)); + +#undef FAM_DIFF + + return diff; +} + + +/** + * @name Family Object + * @{ + */ + +struct genl_family *genl_family_alloc(void) +{ + return (struct genl_family *) nl_object_alloc(&genl_family_ops); +} + +void genl_family_put(struct genl_family *family) +{ + nl_object_put((struct nl_object *) family); +} + +/** @} */ + + +int genl_family_add_op(struct genl_family *family, int id, int flags) +{ + struct genl_family_op *op; + + op = calloc(1, sizeof(*op)); + if (op == NULL) + return -NLE_NOMEM; + + op->o_id = id; + op->o_flags = flags; + + nl_list_add_tail(&op->o_list, &family->gf_ops); + family->ce_mask |= FAMILY_ATTR_OPS; + + return 0; +} + +/** @} */ + +/** @cond SKIP */ +struct nl_object_ops genl_family_ops = { + .oo_name = "genl/family", + .oo_size = sizeof(struct genl_family), + .oo_constructor = family_constructor, + .oo_free_data = family_free_data, + .oo_clone = family_clone, + .oo_compare = family_compare, + .oo_id_attrs = FAMILY_ATTR_ID, +}; +/** @endcond */ + +/** @} */ |