const golang.org/x/sys/unix.BPF_TCX_INGRESS

one use

	golang.org/x/sys/unix (current package)
		ztypes_linux.go#L2843: 	BPF_TCX_INGRESS                            = 0x2e

The pages are generated with Golds v0.7.6. (GOOS=linux GOARCH=amd64)