diff options
Diffstat (limited to 'tools/lib/bpf/netlink.c')
-rw-r--r-- | tools/lib/bpf/netlink.c | 50 |
1 files changed, 28 insertions, 22 deletions
diff --git a/tools/lib/bpf/netlink.c b/tools/lib/bpf/netlink.c index fde1d7bf8199..0ce67aea8f3b 100644 --- a/tools/lib/bpf/netlink.c +++ b/tools/lib/bpf/netlink.c @@ -1,4 +1,4 @@ -// SPDX-License-Identifier: LGPL-2.1 +// SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause) /* Copyright (c) 2018 Facebook */ #include <stdlib.h> @@ -18,7 +18,10 @@ #define SOL_NETLINK 270 #endif -int bpf_netlink_open(__u32 *nl_pid) +typedef int (*__dump_nlmsg_t)(struct nlmsghdr *nlmsg, libbpf_dump_nlmsg_t, + void *cookie); + +int libbpf_netlink_open(__u32 *nl_pid) { struct sockaddr_nl sa; socklen_t addrlen; @@ -62,7 +65,7 @@ cleanup: } static int bpf_netlink_recv(int sock, __u32 nl_pid, int seq, - __dump_nlmsg_t _fn, dump_nlmsg_t fn, + __dump_nlmsg_t _fn, libbpf_dump_nlmsg_t fn, void *cookie) { bool multipart = true; @@ -100,7 +103,7 @@ static int bpf_netlink_recv(int sock, __u32 nl_pid, int seq, if (!err->error) continue; ret = err->error; - nla_dump_errormsg(nh); + libbpf_nla_dump_errormsg(nh); goto done; case NLMSG_DONE: return 0; @@ -130,7 +133,7 @@ int bpf_set_link_xdp_fd(int ifindex, int fd, __u32 flags) } req; __u32 nl_pid; - sock = bpf_netlink_open(&nl_pid); + sock = libbpf_netlink_open(&nl_pid); if (sock < 0) return sock; @@ -178,8 +181,8 @@ cleanup: return ret; } -static int __dump_link_nlmsg(struct nlmsghdr *nlh, dump_nlmsg_t dump_link_nlmsg, - void *cookie) +static int __dump_link_nlmsg(struct nlmsghdr *nlh, + libbpf_dump_nlmsg_t dump_link_nlmsg, void *cookie) { struct nlattr *tb[IFLA_MAX + 1], *attr; struct ifinfomsg *ifi = NLMSG_DATA(nlh); @@ -187,14 +190,14 @@ static int __dump_link_nlmsg(struct nlmsghdr *nlh, dump_nlmsg_t dump_link_nlmsg, len = nlh->nlmsg_len - NLMSG_LENGTH(sizeof(*ifi)); attr = (struct nlattr *) ((void *) ifi + NLMSG_ALIGN(sizeof(*ifi))); - if (nla_parse(tb, IFLA_MAX, attr, len, NULL) != 0) + if (libbpf_nla_parse(tb, IFLA_MAX, attr, len, NULL) != 0) return -LIBBPF_ERRNO__NLPARSE; return dump_link_nlmsg(cookie, ifi, tb); } -int nl_get_link(int sock, unsigned int nl_pid, dump_nlmsg_t dump_link_nlmsg, - void *cookie) +int libbpf_nl_get_link(int sock, unsigned int nl_pid, + libbpf_dump_nlmsg_t dump_link_nlmsg, void *cookie) { struct { struct nlmsghdr nlh; @@ -216,7 +219,8 @@ int nl_get_link(int sock, unsigned int nl_pid, dump_nlmsg_t dump_link_nlmsg, } static int __dump_class_nlmsg(struct nlmsghdr *nlh, - dump_nlmsg_t dump_class_nlmsg, void *cookie) + libbpf_dump_nlmsg_t dump_class_nlmsg, + void *cookie) { struct nlattr *tb[TCA_MAX + 1], *attr; struct tcmsg *t = NLMSG_DATA(nlh); @@ -224,14 +228,14 @@ static int __dump_class_nlmsg(struct nlmsghdr *nlh, len = nlh->nlmsg_len - NLMSG_LENGTH(sizeof(*t)); attr = (struct nlattr *) ((void *) t + NLMSG_ALIGN(sizeof(*t))); - if (nla_parse(tb, TCA_MAX, attr, len, NULL) != 0) + if (libbpf_nla_parse(tb, TCA_MAX, attr, len, NULL) != 0) return -LIBBPF_ERRNO__NLPARSE; return dump_class_nlmsg(cookie, t, tb); } -int nl_get_class(int sock, unsigned int nl_pid, int ifindex, - dump_nlmsg_t dump_class_nlmsg, void *cookie) +int libbpf_nl_get_class(int sock, unsigned int nl_pid, int ifindex, + libbpf_dump_nlmsg_t dump_class_nlmsg, void *cookie) { struct { struct nlmsghdr nlh; @@ -254,7 +258,8 @@ int nl_get_class(int sock, unsigned int nl_pid, int ifindex, } static int __dump_qdisc_nlmsg(struct nlmsghdr *nlh, - dump_nlmsg_t dump_qdisc_nlmsg, void *cookie) + libbpf_dump_nlmsg_t dump_qdisc_nlmsg, + void *cookie) { struct nlattr *tb[TCA_MAX + 1], *attr; struct tcmsg *t = NLMSG_DATA(nlh); @@ -262,14 +267,14 @@ static int __dump_qdisc_nlmsg(struct nlmsghdr *nlh, len = nlh->nlmsg_len - NLMSG_LENGTH(sizeof(*t)); attr = (struct nlattr *) ((void *) t + NLMSG_ALIGN(sizeof(*t))); - if (nla_parse(tb, TCA_MAX, attr, len, NULL) != 0) + if (libbpf_nla_parse(tb, TCA_MAX, attr, len, NULL) != 0) return -LIBBPF_ERRNO__NLPARSE; return dump_qdisc_nlmsg(cookie, t, tb); } -int nl_get_qdisc(int sock, unsigned int nl_pid, int ifindex, - dump_nlmsg_t dump_qdisc_nlmsg, void *cookie) +int libbpf_nl_get_qdisc(int sock, unsigned int nl_pid, int ifindex, + libbpf_dump_nlmsg_t dump_qdisc_nlmsg, void *cookie) { struct { struct nlmsghdr nlh; @@ -292,7 +297,8 @@ int nl_get_qdisc(int sock, unsigned int nl_pid, int ifindex, } static int __dump_filter_nlmsg(struct nlmsghdr *nlh, - dump_nlmsg_t dump_filter_nlmsg, void *cookie) + libbpf_dump_nlmsg_t dump_filter_nlmsg, + void *cookie) { struct nlattr *tb[TCA_MAX + 1], *attr; struct tcmsg *t = NLMSG_DATA(nlh); @@ -300,14 +306,14 @@ static int __dump_filter_nlmsg(struct nlmsghdr *nlh, len = nlh->nlmsg_len - NLMSG_LENGTH(sizeof(*t)); attr = (struct nlattr *) ((void *) t + NLMSG_ALIGN(sizeof(*t))); - if (nla_parse(tb, TCA_MAX, attr, len, NULL) != 0) + if (libbpf_nla_parse(tb, TCA_MAX, attr, len, NULL) != 0) return -LIBBPF_ERRNO__NLPARSE; return dump_filter_nlmsg(cookie, t, tb); } -int nl_get_filter(int sock, unsigned int nl_pid, int ifindex, int handle, - dump_nlmsg_t dump_filter_nlmsg, void *cookie) +int libbpf_nl_get_filter(int sock, unsigned int nl_pid, int ifindex, int handle, + libbpf_dump_nlmsg_t dump_filter_nlmsg, void *cookie) { struct { struct nlmsghdr nlh; |