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Garbage collect vnet module registrations that have neither constructors

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nor destructors, as there's no actual work to do.

In most cases, the constructors weren't needed because of the existing
protocol initialization functions run by net_init_domain() as part of
VNET_MOD_NET, or they were eliminated when support for static
initialization of virtualized globals was added.

Garbage collect dependency references to modules without constructors or
destructors, notably VNET_MOD_INET and VNET_MOD_INET6.

Reviewed by:	bz
Approved by:	re (vimage blanket)
This commit is contained in:
Robert Watson 2009-07-20 13:55:33 +00:00
parent 331f685743
commit 0a4747d4d0
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=195782
8 changed files with 5 additions and 73 deletions
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1
sys/net/flowtable.c
View File

@ -180,7 +180,6 @@ static int flowtable_idetach(const void *);
static const vnet_modinfo_t flowtable_modinfo = {
.vmi_id = VNET_MOD_FLOWTABLE,
.vmi_name = "flowtable",
.vmi_dependson = VNET_MOD_INET,
.vmi_iattach = flowtable_iattach,
.vmi_idetach = flowtable_idetach
};

12
sys/netinet/igmp.c
View File

@ -224,7 +224,10 @@ static VNET_DEFINE(int, current_state_timers_running); /* IGMPv1/v2 host
#define V_current_state_timers_running VNET(current_state_timers_running)
static VNET_DEFINE(LIST_HEAD(, igmp_ifinfo), igi_head);
static VNET_DEFINE(struct igmpstat, igmpstat);
static VNET_DEFINE(struct igmpstat, igmpstat) = {
.igps_version = IGPS_VERSION_3,
.igps_len = sizeof(struct igmpstat),
};
static VNET_DEFINE(struct timeval, igmp_gsrdelay) = {10, 0};
#define V_igi_head VNET(igi_head)
@ -3615,12 +3618,6 @@ vnet_igmp_iattach(const void *unused __unused)
LIST_INIT(&V_igi_head);
/*
* Initialize sysctls to default values.
*/
V_igmpstat.igps_version = IGPS_VERSION_3;
V_igmpstat.igps_len = sizeof(struct igmpstat);
return (0);
}
@ -3640,7 +3637,6 @@ vnet_igmp_idetach(const void *unused __unused)
static vnet_modinfo_t vnet_igmp_modinfo = {
.vmi_id = VNET_MOD_IGMP,
.vmi_name = "igmp",
.vmi_dependson = VNET_MOD_INET,
.vmi_iattach = vnet_igmp_iattach,
.vmi_idetach = vnet_igmp_idetach
};

21
sys/netinet/ip_input.c
View File

@ -236,24 +236,6 @@ VNET_DEFINE(int, fw_one_pass) = 1;
static void ip_freef(struct ipqhead *, struct ipq *);
#ifdef VIMAGE
/* XXX only has to stay for .vmi_dependson elsewhere. */
static void vnet_inet_register(void);
static const vnet_modinfo_t vnet_inet_modinfo = {
.vmi_id = VNET_MOD_INET,
.vmi_name = "inet",
};
static void vnet_inet_register()
{
vnet_mod_register(&vnet_inet_modinfo);
}
SYSINIT(inet, SI_SUB_PROTO_BEGIN, SI_ORDER_FIRST, vnet_inet_register, 0);
#endif
static int
sysctl_netinet_intr_queue_maxlen(SYSCTL_HANDLER_ARGS)
{
@ -302,8 +284,6 @@ ip_init(void)
struct protosw *pr;
int i;
V_ip_id = time_second & 0xffff;
TAILQ_INIT(&V_in_ifaddrhead);
V_in_ifaddrhashtbl = hashinit(INADDR_NHASH, M_IFADDR, &V_in_ifaddrhmask);
@ -362,6 +342,7 @@ ip_init(void)
NULL, EVENTHANDLER_PRI_ANY);
/* Initialize various other remaining things. */
V_ip_id = time_second & 0xffff;
IPQ_LOCK_INIT();
netisr_register(&ip_nh);
}

20
sys/netinet6/ip6_input.c
View File

@ -162,26 +162,6 @@ static int ip6_hopopts_input(u_int32_t *, u_int32_t *, struct mbuf **, int *);
static struct mbuf *ip6_pullexthdr(struct mbuf *, size_t, int);
#endif
#ifdef VIMAGE
/* XXX only has to stay for .vmi_dependson elsewhere. */
static void vnet_inet6_register(void);
static const vnet_modinfo_t vnet_inet6_modinfo = {
.vmi_id = VNET_MOD_INET6,
.vmi_name = "inet6",
.vmi_dependson = VNET_MOD_INET /* XXX revisit - TCP/UDP needs this? */
};
static void
vnet_inet6_register(void)
{
vnet_mod_register(&vnet_inet6_modinfo);
}
SYSINIT(inet6, SI_SUB_PROTO_BEGIN, SI_ORDER_FIRST, vnet_inet6_register, 0);
#endif
/*
* IP6 initialization: fill in IP6 protocol switch table.
* All protocols not implemented in kernel go to raw IP6 protocol handler.

1
sys/netinet6/mld6.c
View File

@ -3253,7 +3253,6 @@ vnet_mld_idetach(const void *unused __unused)
static vnet_modinfo_t vnet_mld_modinfo = {
.vmi_id = VNET_MOD_MLD,
.vmi_name = "mld",
.vmi_dependson = VNET_MOD_INET6,
.vmi_iattach = vnet_mld_iattach,
.vmi_idetach = vnet_mld_idetach
};

1
sys/netipsec/ipsec.c
View File

@ -245,7 +245,6 @@ static int ipsec_iattach(const void *);
static const vnet_modinfo_t vnet_ipsec_modinfo = {
.vmi_id = VNET_MOD_IPSEC,
.vmi_name = "ipsec",
.vmi_dependson = VNET_MOD_INET, /* XXX revisit - INET6 ? */
.vmi_iattach = ipsec_iattach,
};
#endif

11
sys/netipsec/xform_ipcomp.c
View File

@ -81,14 +81,6 @@ SYSCTL_VNET_STRUCT(_net_inet_ipcomp, IPSECCTL_STATS,
static int ipcomp_input_cb(struct cryptop *crp);
static int ipcomp_output_cb(struct cryptop *crp);
#ifdef VIMAGE
static const vnet_modinfo_t vnet_ipcomp_modinfo = {
.vmi_id = VNET_MOD_IPCOMP,
.vmi_name = "ipsec_ipcomp",
.vmi_dependson = VNET_MOD_IPSEC,
};
#endif
struct comp_algo *
ipcomp_algorithm_lookup(int alg)
{
@ -604,9 +596,6 @@ ipcomp_attach(void)
{
xform_register(&ipcomp_xformsw);
#ifdef VIMAGE
vnet_mod_register(&vnet_ipcomp_modinfo);
#endif
}
SYSINIT(ipcomp_xform_init, SI_SUB_PROTO_DOMAIN, SI_ORDER_MIDDLE, ipcomp_attach, NULL);

11
sys/netipsec/xform_ipip.c
View File

@ -105,14 +105,6 @@ SYSCTL_VNET_STRUCT(_net_inet_ipip, IPSECCTL_STATS,
static void _ipip_input(struct mbuf *m, int iphlen, struct ifnet *gifp);
#ifdef VIMAGE
static const vnet_modinfo_t vnet_ipip_modinfo = {
.vmi_id = VNET_MOD_IPIP,
.vmi_name = "ipsec_ipip",
.vmi_dependson = VNET_MOD_IPSEC,
};
#endif
#ifdef INET6
/*
* Really only a wrapper for ipip_input(), for use with IPv6.
@ -710,9 +702,6 @@ ipe4_attach(void)
(void) encap_attach_func(AF_INET6, -1,
ipe4_encapcheck, (struct protosw *)&ipe6_protosw, NULL);
#endif
#ifdef VIMAGE
vnet_mod_register(&vnet_ipip_modinfo);
#endif
}
SYSINIT(ipe4_xform_init, SI_SUB_PROTO_DOMAIN, SI_ORDER_MIDDLE, ipe4_attach, NULL);
#endif /* IPSEC */