26 int _getsockopt(struct bpf_sockopt *ctx)  in _getsockopt()  argument
28 	__u8 *optval_end = ctx->optval_end;  in _getsockopt()
29 	__u8 *optval = ctx->optval;  in _getsockopt()
32 	if (ctx->level == SOL_IP && ctx->optname == IP_TOS)  in _getsockopt()
39 	if (ctx->level == SOL_SOCKET && ctx->optname == SO_SNDBUF) {  in _getsockopt()
47 	if (ctx->level == SOL_TCP && ctx->optname == TCP_CONGESTION) {  in _getsockopt()
55 	if (ctx->level != SOL_CUSTOM)  in _getsockopt()
61 	storage = bpf_sk_storage_get(&socket_storage_map, ctx->sk, 0,  in _getsockopt()
66 	if (!ctx->retval)  in _getsockopt()
70 	ctx->retval = 0; /* Reset system call return value to zero */  in _getsockopt()
73 	ctx->optlen = 1;  in _getsockopt()
79 int _setsockopt(struct bpf_sockopt *ctx)  in _setsockopt()  argument
81 	__u8 *optval_end = ctx->optval_end;  in _setsockopt()
82 	__u8 *optval = ctx->optval;  in _setsockopt()
85 	if (ctx->level == SOL_IP && ctx->optname == IP_TOS)  in _setsockopt()
92 	if (ctx->level == SOL_SOCKET && ctx->optname == SO_SNDBUF) {  in _setsockopt()
99 		ctx->optlen = 4;  in _setsockopt()
104 	if (ctx->level == SOL_TCP && ctx->optname == TCP_CONGESTION) {  in _setsockopt()
111 		ctx->optlen = 5;  in _setsockopt()
116 	if (ctx->level != SOL_CUSTOM)  in _setsockopt()
122 	storage = bpf_sk_storage_get(&socket_storage_map, ctx->sk, 0,  in _setsockopt()
128 	ctx->optlen = -1; /* BPF has consumed this option, don't call kernel  in _setsockopt()