55 static struct bpfdev {  struct
56 	struct bpfdev_link bpf_link;	/* structure link, MUST be first */  argument
58 	struct ifdev *bpf_ifdev;	/* associated interface, or NULL */
59 	unsigned int bpf_flags;		/* flags (BPFF_) */
60 	size_t bpf_size;		/* size of packet buffers */
61 	char *bpf_sbuf;			/* store buffer (mmap'd, or NULL) */
62 	char *bpf_hbuf;			/* hold buffer (mmap'd, or NULL) */
63 	size_t bpf_slen;		/* used part of store buffer */
64 	size_t bpf_hlen;		/* used part of hold buffer */
65 	struct bpf_insn *bpf_filter;	/* verified BPF filter, or NULL */
66 	size_t bpf_filterlen;		/* length of filter, for munmap */
67 	pid_t bpf_pid;			/* process ID of last using process */
68 	clock_t bpf_timeout;		/* timeout for read calls (0 = none) */
69 	struct {			/* state for pending read request */
93 static TAILQ_HEAD(, bpfdev_link) bpfl_freelist;	/* list of free BPF devices */  argument
144 bpfdev_get_minor(struct bpfdev * bpfdev)  in bpfdev_get_minor()