diff options
Diffstat (limited to 'tools/lib/bpf/netlink.c')
| -rw-r--r-- | tools/lib/bpf/netlink.c | 20 |
1 files changed, 17 insertions, 3 deletions
diff --git a/tools/lib/bpf/netlink.c b/tools/lib/bpf/netlink.c index 68a2def17175..c997e69d507f 100644 --- a/tools/lib/bpf/netlink.c +++ b/tools/lib/bpf/netlink.c @@ -529,9 +529,9 @@ int bpf_xdp_query_id(int ifindex, int flags, __u32 *prog_id) } -typedef int (*qdisc_config_t)(struct libbpf_nla_req *req); +typedef int (*qdisc_config_t)(struct libbpf_nla_req *req, const struct bpf_tc_hook *hook); -static int clsact_config(struct libbpf_nla_req *req) +static int clsact_config(struct libbpf_nla_req *req, const struct bpf_tc_hook *hook) { req->tc.tcm_parent = TC_H_CLSACT; req->tc.tcm_handle = TC_H_MAKE(TC_H_CLSACT, 0); @@ -539,6 +539,16 @@ static int clsact_config(struct libbpf_nla_req *req) return nlattr_add(req, TCA_KIND, "clsact", sizeof("clsact")); } +static int qdisc_config(struct libbpf_nla_req *req, const struct bpf_tc_hook *hook) +{ + const char *qdisc = OPTS_GET(hook, qdisc, NULL); + + req->tc.tcm_parent = OPTS_GET(hook, parent, TC_H_ROOT); + req->tc.tcm_handle = OPTS_GET(hook, handle, 0); + + return nlattr_add(req, TCA_KIND, qdisc, strlen(qdisc) + 1); +} + static int attach_point_to_config(struct bpf_tc_hook *hook, qdisc_config_t *config) { @@ -552,6 +562,9 @@ static int attach_point_to_config(struct bpf_tc_hook *hook, return 0; case BPF_TC_CUSTOM: return -EOPNOTSUPP; + case BPF_TC_QDISC: + *config = &qdisc_config; + return 0; default: return -EINVAL; } @@ -596,7 +609,7 @@ static int tc_qdisc_modify(struct bpf_tc_hook *hook, int cmd, int flags) req.tc.tcm_family = AF_UNSPEC; req.tc.tcm_ifindex = OPTS_GET(hook, ifindex, 0); - ret = config(&req); + ret = config(&req, hook); if (ret < 0) return ret; @@ -639,6 +652,7 @@ int bpf_tc_hook_destroy(struct bpf_tc_hook *hook) case BPF_TC_INGRESS: case BPF_TC_EGRESS: return libbpf_err(__bpf_tc_detach(hook, NULL, true)); + case BPF_TC_QDISC: case BPF_TC_INGRESS | BPF_TC_EGRESS: return libbpf_err(tc_qdisc_delete(hook)); case BPF_TC_CUSTOM: |