Lines Matching +full:protocol +full:- +full:id

1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
4  * Copyright (c) 2007-2009 Robert N. M. Watson
5  * Copyright (c) 2010-2011 Juniper Networks, Inc.
47  * Protocol numbers, which are encoded in monitoring applications and kernel
49  * a value 0 < proto < 32; we currently further limit at compile-time to 16
50  * for array-sizing purposes.
58 #define	NETISR_IP_DIRECT	9	/* direct-dispatch IPv4 */
59 #define	NETISR_IPV6_DIRECT	10	/* direct-dispatch IPv6 */
62  * Protocol ordering and affinity policy constants.  See the detailed
67 #define	NETISR_POLICY_CPU	3	/* Protocol determines CPU placement. */
70  * Protocol dispatch policy constants; selects whether and when direct
81  * Three sysctls are defined.  First, a per-protocol structure exported by
104  * Next, a structure per-workstream, with per-protocol data, exported as
110 	u_int	snws_wsid;			/* Workstream ID. */
121  * Finally, a per-workstream-per-protocol structure, exported as
126 	u_int	snw_wsid;			/* Workstream ID. */
127 	u_int	snw_proto;			/* Protocol number. */
143 /*-
146  * netisr to determine which per-CPU workstream to assign mbufs to.
150  * NETISR_POLICY_SOURCE - netisr should maintain source ordering without
151  *                        advice from the protocol.  netisr will ignore any
155  * NETISR_POLICY_FLOW - netisr should maintain flow ordering as defined by
156  *                      the mbuf header flow ID field.  If the protocol
158  *                      protocol in the event that the mbuf doesn't have a
159  *                      flow ID, falling back on source ordering.
161  * NETISR_POLICY_CPU - netisr will delegate all work placement decisions to
162  *                     the protocol, querying nh_m2cpuid for each packet.
165  * calculated flow ID on the mbuf, such as one provided in hardware, the
168  * calculate a flow.  Both protocol handlers may return a new mbuf pointer
172  * protocol handlers to notify them of CPU configuration changes so that they
182 #define	NETISR_CPUID_NONE	((u_int)-1)	/* No affinity returned. */
185  * Data structure describing a protocol handler.
188 	const char	*nh_name;	/* Character string protocol name. */
189 	netisr_handler_t *nh_handler;	/* Protocol handler. */
193 	u_int		 nh_proto;	/* Integer protocol ID. */
194 	u_int		 nh_qlimit;	/* Maximum per-CPU queue depth. */
217  * Process a packet destined for a protocol, and attempt direct dispatch.
227  * Provide a default implementation of "map an ID to a CPU ID".
233  * to return a mapping from a number to a CPU ID that can be used with the