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https://git.kernel.org/pub/scm/linux/kernel/git/herbert/cryptodev-2.6.git
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tools: ynl: support fou and netdev in C
Generate the code for netdev and fou families. They are simple and already supported by the code gen. Reviewed-by: Willem de Bruijn <willemb@google.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Jakub Kicinski
250
tools/net/ynl/generated/netdev-user.c
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250
tools/net/ynl/generated/netdev-user.c
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@@ -0,0 +1,250 @@
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// SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause)
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/* Do not edit directly, auto-generated from: */
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/* Documentation/netlink/specs/netdev.yaml */
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/* YNL-GEN user source */
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#include <stdlib.h>
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#include "netdev-user.h"
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#include "ynl.h"
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#include <linux/netdev.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <libmnl/libmnl.h>
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#include <linux/genetlink.h>
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/* Enums */
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static const char * const netdev_op_strmap[] = {
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[NETDEV_CMD_DEV_GET] = "dev-get",
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[NETDEV_CMD_DEV_ADD_NTF] = "dev-add-ntf",
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[NETDEV_CMD_DEV_DEL_NTF] = "dev-del-ntf",
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[NETDEV_CMD_DEV_CHANGE_NTF] = "dev-change-ntf",
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};
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const char *netdev_op_str(int op)
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{
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if (op < 0 || op >= (int)MNL_ARRAY_SIZE(netdev_op_strmap))
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return NULL;
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return netdev_op_strmap[op];
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}
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static const char * const netdev_xdp_act_strmap[] = {
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[0] = "basic",
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[1] = "redirect",
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[2] = "ndo-xmit",
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[3] = "xsk-zerocopy",
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[4] = "hw-offload",
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[5] = "rx-sg",
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[6] = "ndo-xmit-sg",
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};
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const char *netdev_xdp_act_str(enum netdev_xdp_act value)
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{
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value = ffs(value) - 1;
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if (value < 0 || value >= (int)MNL_ARRAY_SIZE(netdev_xdp_act_strmap))
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return NULL;
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return netdev_xdp_act_strmap[value];
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}
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/* Policies */
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extern struct ynl_policy_nest netdev_dev_nest;
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struct ynl_policy_attr netdev_dev_policy[NETDEV_A_DEV_MAX + 1] = {
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[NETDEV_A_DEV_IFINDEX] = { .name = "ifindex", .type = YNL_PT_U32, },
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[NETDEV_A_DEV_PAD] = { .name = "pad", .type = YNL_PT_IGNORE, },
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[NETDEV_A_DEV_XDP_FEATURES] = { .name = "xdp-features", .type = YNL_PT_U64, },
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};
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struct ynl_policy_nest netdev_dev_nest = {
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.max_attr = NETDEV_A_DEV_MAX,
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.table = netdev_dev_policy,
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};
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/* Common nested types */
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/* ============== NETDEV_CMD_DEV_GET ============== */
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/* NETDEV_CMD_DEV_GET - do */
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void netdev_dev_get_req_free(struct netdev_dev_get_req *req)
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{
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free(req);
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}
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void netdev_dev_get_rsp_free(struct netdev_dev_get_rsp *rsp)
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{
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free(rsp);
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}
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int netdev_dev_get_rsp_parse(const struct nlmsghdr *nlh, void *data)
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{
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struct ynl_parse_arg *yarg = data;
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struct netdev_dev_get_rsp *dst;
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const struct nlattr *attr;
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dst = yarg->data;
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mnl_attr_for_each(attr, nlh, sizeof(struct genlmsghdr)) {
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if (mnl_attr_get_type(attr) == NETDEV_A_DEV_IFINDEX) {
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if (ynl_attr_validate(yarg, attr))
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return MNL_CB_ERROR;
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dst->_present.ifindex = 1;
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dst->ifindex = mnl_attr_get_u32(attr);
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}
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else if (mnl_attr_get_type(attr) == NETDEV_A_DEV_XDP_FEATURES) {
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if (ynl_attr_validate(yarg, attr))
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return MNL_CB_ERROR;
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dst->_present.xdp_features = 1;
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dst->xdp_features = mnl_attr_get_u64(attr);
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}
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}
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return MNL_CB_OK;
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}
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struct netdev_dev_get_rsp *
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netdev_dev_get(struct ynl_sock *ys, struct netdev_dev_get_req *req)
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{
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struct ynl_req_state yrs = { .yarg = { .ys = ys, }, };
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struct netdev_dev_get_rsp *rsp;
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struct nlmsghdr *nlh;
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int err;
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nlh = ynl_gemsg_start_req(ys, ys->family_id, NETDEV_CMD_DEV_GET, 1);
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ys->req_policy = &netdev_dev_nest;
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yrs.yarg.rsp_policy = &netdev_dev_nest;
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if (req->_present.ifindex)
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mnl_attr_put_u32(nlh, NETDEV_A_DEV_IFINDEX, req->ifindex);
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rsp = calloc(1, sizeof(*rsp));
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yrs.yarg.data = rsp;
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yrs.cb = netdev_dev_get_rsp_parse;
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yrs.rsp_cmd = NETDEV_CMD_DEV_GET;
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err = ynl_exec(ys, nlh, &yrs);
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if (err < 0)
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goto err_free;
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return rsp;
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err_free:
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netdev_dev_get_rsp_free(rsp);
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return NULL;
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}
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/* NETDEV_CMD_DEV_GET - dump */
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void netdev_dev_get_list_free(struct netdev_dev_get_list *rsp)
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{
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struct netdev_dev_get_list *next = rsp;
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while ((void *)next != YNL_LIST_END) {
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rsp = next;
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next = rsp->next;
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free(rsp);
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}
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}
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struct netdev_dev_get_list *netdev_dev_get_dump(struct ynl_sock *ys)
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{
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struct ynl_dump_state yds = {};
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struct nlmsghdr *nlh;
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int err;
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yds.ys = ys;
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yds.alloc_sz = sizeof(struct netdev_dev_get_list);
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yds.cb = netdev_dev_get_rsp_parse;
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yds.rsp_cmd = NETDEV_CMD_DEV_GET;
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yds.rsp_policy = &netdev_dev_nest;
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nlh = ynl_gemsg_start_dump(ys, ys->family_id, NETDEV_CMD_DEV_GET, 1);
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err = ynl_exec_dump(ys, nlh, &yds);
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if (err < 0)
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goto free_list;
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return yds.first;
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free_list:
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netdev_dev_get_list_free(yds.first);
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return NULL;
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}
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/* NETDEV_CMD_DEV_GET - notify */
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void netdev_dev_get_ntf_free(struct netdev_dev_get_ntf *rsp)
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{
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free(rsp);
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}
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/* --------------- Common notification parsing --------------- */
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struct ynl_ntf_base_type *netdev_ntf_parse(struct ynl_sock *ys)
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{
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struct ynl_parse_arg yarg = { .ys = ys, };
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struct ynl_ntf_base_type *rsp;
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struct genlmsghdr *genlh;
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struct nlmsghdr *nlh;
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mnl_cb_t parse;
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int len, err;
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len = mnl_socket_recvfrom(ys->sock, ys->rx_buf, MNL_SOCKET_BUFFER_SIZE);
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if (len < (ssize_t)(sizeof(*nlh) + sizeof(*genlh)))
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return NULL;
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nlh = (struct nlmsghdr *)ys->rx_buf;
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genlh = mnl_nlmsg_get_payload(nlh);
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switch (genlh->cmd) {
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case NETDEV_CMD_DEV_ADD_NTF:
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case NETDEV_CMD_DEV_DEL_NTF:
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case NETDEV_CMD_DEV_CHANGE_NTF:
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rsp = calloc(1, sizeof(struct netdev_dev_get_ntf));
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parse = netdev_dev_get_rsp_parse;
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yarg.rsp_policy = &netdev_dev_nest;
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rsp->free = (void *)netdev_dev_get_ntf_free;
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break;
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default:
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ynl_error_unknown_notification(ys, genlh->cmd);
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return NULL;
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}
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yarg.data = rsp->data;
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err = mnl_cb_run2(ys->rx_buf, len, 0, 0, parse, &yarg,
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ynl_cb_array, NLMSG_MIN_TYPE);
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if (err < 0)
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goto err_free;
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rsp->family = nlh->nlmsg_type;
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rsp->cmd = genlh->cmd;
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return rsp;
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err_free:
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free(rsp);
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return NULL;
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}
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static const struct ynl_ntf_info netdev_ntf_info[] = {
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[NETDEV_CMD_DEV_ADD_NTF] = {
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.alloc_sz = sizeof(struct netdev_dev_get_ntf),
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.cb = netdev_dev_get_rsp_parse,
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.policy = &netdev_dev_nest,
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.free = (void *)netdev_dev_get_ntf_free,
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},
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[NETDEV_CMD_DEV_DEL_NTF] = {
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.alloc_sz = sizeof(struct netdev_dev_get_ntf),
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.cb = netdev_dev_get_rsp_parse,
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.policy = &netdev_dev_nest,
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.free = (void *)netdev_dev_get_ntf_free,
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},
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[NETDEV_CMD_DEV_CHANGE_NTF] = {
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.alloc_sz = sizeof(struct netdev_dev_get_ntf),
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.cb = netdev_dev_get_rsp_parse,
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.policy = &netdev_dev_nest,
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.free = (void *)netdev_dev_get_ntf_free,
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},
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};
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const struct ynl_family ynl_netdev_family = {
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.name = "netdev",
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.ntf_info = netdev_ntf_info,
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.ntf_info_size = MNL_ARRAY_SIZE(netdev_ntf_info),
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};
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