From d75fdfbc6f260f50cde5d1d566ab010a370df62e Mon Sep 17 00:00:00 2001 From: Jakub Kicinski Date: Mon, 5 Jun 2023 12:01:07 -0700 Subject: 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 Signed-off-by: Jakub Kicinski --- tools/net/ynl/generated/netdev-user.c | 250 ++++++++++++++++++++++++++++++++++ 1 file changed, 250 insertions(+) create mode 100644 tools/net/ynl/generated/netdev-user.c (limited to 'tools/net/ynl/generated/netdev-user.c') diff --git a/tools/net/ynl/generated/netdev-user.c b/tools/net/ynl/generated/netdev-user.c new file mode 100644 index 000000000000..aea5c7cc8ead --- /dev/null +++ b/tools/net/ynl/generated/netdev-user.c @@ -0,0 +1,250 @@ +// SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) +/* Do not edit directly, auto-generated from: */ +/* Documentation/netlink/specs/netdev.yaml */ +/* YNL-GEN user source */ + +#include +#include "netdev-user.h" +#include "ynl.h" +#include + +#include +#include +#include +#include +#include + +/* Enums */ +static const char * const netdev_op_strmap[] = { + [NETDEV_CMD_DEV_GET] = "dev-get", + [NETDEV_CMD_DEV_ADD_NTF] = "dev-add-ntf", + [NETDEV_CMD_DEV_DEL_NTF] = "dev-del-ntf", + [NETDEV_CMD_DEV_CHANGE_NTF] = "dev-change-ntf", +}; + +const char *netdev_op_str(int op) +{ + if (op < 0 || op >= (int)MNL_ARRAY_SIZE(netdev_op_strmap)) + return NULL; + return netdev_op_strmap[op]; +} + +static const char * const netdev_xdp_act_strmap[] = { + [0] = "basic", + [1] = "redirect", + [2] = "ndo-xmit", + [3] = "xsk-zerocopy", + [4] = "hw-offload", + [5] = "rx-sg", + [6] = "ndo-xmit-sg", +}; + +const char *netdev_xdp_act_str(enum netdev_xdp_act value) +{ + value = ffs(value) - 1; + if (value < 0 || value >= (int)MNL_ARRAY_SIZE(netdev_xdp_act_strmap)) + return NULL; + return netdev_xdp_act_strmap[value]; +} + +/* Policies */ +extern struct ynl_policy_nest netdev_dev_nest; + +struct ynl_policy_attr netdev_dev_policy[NETDEV_A_DEV_MAX + 1] = { + [NETDEV_A_DEV_IFINDEX] = { .name = "ifindex", .type = YNL_PT_U32, }, + [NETDEV_A_DEV_PAD] = { .name = "pad", .type = YNL_PT_IGNORE, }, + [NETDEV_A_DEV_XDP_FEATURES] = { .name = "xdp-features", .type = YNL_PT_U64, }, +}; + +struct ynl_policy_nest netdev_dev_nest = { + .max_attr = NETDEV_A_DEV_MAX, + .table = netdev_dev_policy, +}; + +/* Common nested types */ +/* ============== NETDEV_CMD_DEV_GET ============== */ +/* NETDEV_CMD_DEV_GET - do */ +void netdev_dev_get_req_free(struct netdev_dev_get_req *req) +{ + free(req); +} + +void netdev_dev_get_rsp_free(struct netdev_dev_get_rsp *rsp) +{ + free(rsp); +} + +int netdev_dev_get_rsp_parse(const struct nlmsghdr *nlh, void *data) +{ + struct ynl_parse_arg *yarg = data; + struct netdev_dev_get_rsp *dst; + const struct nlattr *attr; + + dst = yarg->data; + + mnl_attr_for_each(attr, nlh, sizeof(struct genlmsghdr)) { + if (mnl_attr_get_type(attr) == NETDEV_A_DEV_IFINDEX) { + if (ynl_attr_validate(yarg, attr)) + return MNL_CB_ERROR; + dst->_present.ifindex = 1; + dst->ifindex = mnl_attr_get_u32(attr); + } + else if (mnl_attr_get_type(attr) == NETDEV_A_DEV_XDP_FEATURES) { + if (ynl_attr_validate(yarg, attr)) + return MNL_CB_ERROR; + dst->_present.xdp_features = 1; + dst->xdp_features = mnl_attr_get_u64(attr); + } + } + + return MNL_CB_OK; +} + +struct netdev_dev_get_rsp * +netdev_dev_get(struct ynl_sock *ys, struct netdev_dev_get_req *req) +{ + struct ynl_req_state yrs = { .yarg = { .ys = ys, }, }; + struct netdev_dev_get_rsp *rsp; + struct nlmsghdr *nlh; + int err; + + nlh = ynl_gemsg_start_req(ys, ys->family_id, NETDEV_CMD_DEV_GET, 1); + ys->req_policy = &netdev_dev_nest; + yrs.yarg.rsp_policy = &netdev_dev_nest; + + if (req->_present.ifindex) + mnl_attr_put_u32(nlh, NETDEV_A_DEV_IFINDEX, req->ifindex); + + rsp = calloc(1, sizeof(*rsp)); + yrs.yarg.data = rsp; + yrs.cb = netdev_dev_get_rsp_parse; + yrs.rsp_cmd = NETDEV_CMD_DEV_GET; + + err = ynl_exec(ys, nlh, &yrs); + if (err < 0) + goto err_free; + + return rsp; + +err_free: + netdev_dev_get_rsp_free(rsp); + return NULL; +} + +/* NETDEV_CMD_DEV_GET - dump */ +void netdev_dev_get_list_free(struct netdev_dev_get_list *rsp) +{ + struct netdev_dev_get_list *next = rsp; + + while ((void *)next != YNL_LIST_END) { + rsp = next; + next = rsp->next; + + free(rsp); + } +} + +struct netdev_dev_get_list *netdev_dev_get_dump(struct ynl_sock *ys) +{ + struct ynl_dump_state yds = {}; + struct nlmsghdr *nlh; + int err; + + yds.ys = ys; + yds.alloc_sz = sizeof(struct netdev_dev_get_list); + yds.cb = netdev_dev_get_rsp_parse; + yds.rsp_cmd = NETDEV_CMD_DEV_GET; + yds.rsp_policy = &netdev_dev_nest; + + nlh = ynl_gemsg_start_dump(ys, ys->family_id, NETDEV_CMD_DEV_GET, 1); + + err = ynl_exec_dump(ys, nlh, &yds); + if (err < 0) + goto free_list; + + return yds.first; + +free_list: + netdev_dev_get_list_free(yds.first); + return NULL; +} + +/* NETDEV_CMD_DEV_GET - notify */ +void netdev_dev_get_ntf_free(struct netdev_dev_get_ntf *rsp) +{ + free(rsp); +} + +/* --------------- Common notification parsing --------------- */ +struct ynl_ntf_base_type *netdev_ntf_parse(struct ynl_sock *ys) +{ + struct ynl_parse_arg yarg = { .ys = ys, }; + struct ynl_ntf_base_type *rsp; + struct genlmsghdr *genlh; + struct nlmsghdr *nlh; + mnl_cb_t parse; + int len, err; + + len = mnl_socket_recvfrom(ys->sock, ys->rx_buf, MNL_SOCKET_BUFFER_SIZE); + if (len < (ssize_t)(sizeof(*nlh) + sizeof(*genlh))) + return NULL; + + nlh = (struct nlmsghdr *)ys->rx_buf; + genlh = mnl_nlmsg_get_payload(nlh); + + switch (genlh->cmd) { + case NETDEV_CMD_DEV_ADD_NTF: + case NETDEV_CMD_DEV_DEL_NTF: + case NETDEV_CMD_DEV_CHANGE_NTF: + rsp = calloc(1, sizeof(struct netdev_dev_get_ntf)); + parse = netdev_dev_get_rsp_parse; + yarg.rsp_policy = &netdev_dev_nest; + rsp->free = (void *)netdev_dev_get_ntf_free; + break; + default: + ynl_error_unknown_notification(ys, genlh->cmd); + return NULL; + } + + yarg.data = rsp->data; + + err = mnl_cb_run2(ys->rx_buf, len, 0, 0, parse, &yarg, + ynl_cb_array, NLMSG_MIN_TYPE); + if (err < 0) + goto err_free; + + rsp->family = nlh->nlmsg_type; + rsp->cmd = genlh->cmd; + return rsp; + +err_free: + free(rsp); + return NULL; +} + +static const struct ynl_ntf_info netdev_ntf_info[] = { + [NETDEV_CMD_DEV_ADD_NTF] = { + .alloc_sz = sizeof(struct netdev_dev_get_ntf), + .cb = netdev_dev_get_rsp_parse, + .policy = &netdev_dev_nest, + .free = (void *)netdev_dev_get_ntf_free, + }, + [NETDEV_CMD_DEV_DEL_NTF] = { + .alloc_sz = sizeof(struct netdev_dev_get_ntf), + .cb = netdev_dev_get_rsp_parse, + .policy = &netdev_dev_nest, + .free = (void *)netdev_dev_get_ntf_free, + }, + [NETDEV_CMD_DEV_CHANGE_NTF] = { + .alloc_sz = sizeof(struct netdev_dev_get_ntf), + .cb = netdev_dev_get_rsp_parse, + .policy = &netdev_dev_nest, + .free = (void *)netdev_dev_get_ntf_free, + }, +}; + +const struct ynl_family ynl_netdev_family = { + .name = "netdev", + .ntf_info = netdev_ntf_info, + .ntf_info_size = MNL_ARRAY_SIZE(netdev_ntf_info), +}; -- cgit v1.2.3