diff options
Diffstat (limited to 'sys/net/netisr.h')
| -rw-r--r-- | sys/net/netisr.h | 19 |
1 files changed, 16 insertions, 3 deletions
diff --git a/sys/net/netisr.h b/sys/net/netisr.h index cd692f6..83bf9ce 100644 --- a/sys/net/netisr.h +++ b/sys/net/netisr.h @@ -1,6 +1,6 @@ /*- * Copyright (c) 2007-2009 Robert N. M. Watson - * Copyright (c) 2010 Juniper Networks, Inc. + * Copyright (c) 2010-2011 Juniper Networks, Inc. * All rights reserved. * * This software was developed by Robert N. M. Watson under contract @@ -71,6 +71,15 @@ #define NETISR_POLICY_CPU 3 /* Protocol determines CPU placement. */ /* + * Protocol dispatch policy constants; selects whether and when direct + * dispatch is permitted. + */ +#define NETISR_DISPATCH_DEFAULT 0 /* Use global default. */ +#define NETISR_DISPATCH_DEFERRED 1 /* Always defer dispatch. */ +#define NETISR_DISPATCH_HYBRID 2 /* Allow hybrid dispatch. */ +#define NETISR_DISPATCH_DIRECT 3 /* Always direct dispatch. */ + +/* * Monitoring data structures, exported by sysctl(2). * * Three sysctls are defined. First, a per-protocol structure exported by @@ -84,7 +93,8 @@ struct sysctl_netisr_proto { u_int snp_qlimit; /* nh_qlimit */ u_int snp_policy; /* nh_policy */ u_int snp_flags; /* Various flags. */ - u_int _snp_ispare[7]; + u_int snp_dispatch; /* Dispatch policy. */ + u_int _snp_ispare[6]; }; /* @@ -173,6 +183,8 @@ typedef struct mbuf *netisr_m2cpuid_t(struct mbuf *m, uintptr_t source, typedef struct mbuf *netisr_m2flow_t(struct mbuf *m, uintptr_t source); typedef void netisr_drainedcpu_t(u_int cpuid); +#define NETISR_CPUID_NONE ((u_int)-1) /* No affinity returned. */ + /* * Data structure describing a protocol handler. */ @@ -185,7 +197,8 @@ struct netisr_handler { u_int nh_proto; /* Integer protocol ID. */ u_int nh_qlimit; /* Maximum per-CPU queue depth. */ u_int nh_policy; /* Work placement policy. */ - u_int nh_ispare[5]; /* For future use. */ + u_int nh_dispatch; /* Dispatch policy. */ + u_int nh_ispare[4]; /* For future use. */ void *nh_pspare[4]; /* For future use. */ }; |
