diff options
| -rw-r--r-- | Documentation/networking/ip-sysctl.txt | 18 | ||||
| -rw-r--r-- | include/linux/ipv6.h | 2 | ||||
| -rw-r--r-- | include/uapi/linux/ipv6.h | 2 | ||||
| -rw-r--r-- | net/ipv6/addrconf.c | 25 | ||||
| -rw-r--r-- | net/ipv6/mcast.c | 17 |
5 files changed, 61 insertions, 3 deletions
diff --git a/Documentation/networking/ip-sysctl.txt b/Documentation/networking/ip-sysctl.txt index 36be26b..debfe85 100644 --- a/Documentation/networking/ip-sysctl.txt +++ b/Documentation/networking/ip-sysctl.txt @@ -1039,7 +1039,15 @@ disable_policy - BOOLEAN disable_xfrm - BOOLEAN Disable IPSEC encryption on this interface, whatever the policy +igmpv2_unsolicited_report_interval - INTEGER + The interval in milliseconds in which the next unsolicited + IGMPv1 or IGMPv2 report retransmit will take place. + Default: 10000 (10 seconds) +igmpv3_unsolicited_report_interval - INTEGER + The interval in milliseconds in which the next unsolicited + IGMPv3 report retransmit will take place. + Default: 1000 (1 seconds) tag - INTEGER Allows you to write a number, which can be used as required. @@ -1331,6 +1339,16 @@ ndisc_notify - BOOLEAN 1 - Generate unsolicited neighbour advertisements when device is brought up or hardware address changes. +mldv1_unsolicited_report_interval - INTEGER + The interval in milliseconds in which the next unsolicited + MLDv1 report retransmit will take place. + Default: 10000 (10 seconds) + +mldv2_unsolicited_report_interval - INTEGER + The interval in milliseconds in which the next unsolicited + MLDv2 report retransmit will take place. + Default: 1000 (1 second) + icmp/*: ratelimit - INTEGER Limit the maximal rates for sending ICMPv6 packets. diff --git a/include/linux/ipv6.h b/include/linux/ipv6.h index 850e95b..77a4784 100644 --- a/include/linux/ipv6.h +++ b/include/linux/ipv6.h @@ -19,6 +19,8 @@ struct ipv6_devconf { __s32 rtr_solicit_interval; __s32 rtr_solicit_delay; __s32 force_mld_version; + __s32 mldv1_unsolicited_report_interval; + __s32 mldv2_unsolicited_report_interval; #ifdef CONFIG_IPV6_PRIVACY __s32 use_tempaddr; __s32 temp_valid_lft; diff --git a/include/uapi/linux/ipv6.h b/include/uapi/linux/ipv6.h index 4bda4cf..d07ac69 100644 --- a/include/uapi/linux/ipv6.h +++ b/include/uapi/linux/ipv6.h @@ -160,6 +160,8 @@ enum { DEVCONF_ACCEPT_DAD, DEVCONF_FORCE_TLLAO, DEVCONF_NDISC_NOTIFY, + DEVCONF_MLDV1_UNSOLICITED_REPORT_INTERVAL, + DEVCONF_MLDV2_UNSOLICITED_REPORT_INTERVAL, DEVCONF_MAX }; diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c index 7fd8572..ad12f7c 100644 --- a/net/ipv6/addrconf.c +++ b/net/ipv6/addrconf.c @@ -177,6 +177,8 @@ static struct ipv6_devconf ipv6_devconf __read_mostly = { .accept_redirects = 1, .autoconf = 1, .force_mld_version = 0, + .mldv1_unsolicited_report_interval = 10 * HZ, + .mldv2_unsolicited_report_interval = HZ, .dad_transmits = 1, .rtr_solicits = MAX_RTR_SOLICITATIONS, .rtr_solicit_interval = RTR_SOLICITATION_INTERVAL, @@ -211,6 +213,9 @@ static struct ipv6_devconf ipv6_devconf_dflt __read_mostly = { .accept_ra = 1, .accept_redirects = 1, .autoconf = 1, + .force_mld_version = 0, + .mldv1_unsolicited_report_interval = 10 * HZ, + .mldv2_unsolicited_report_interval = HZ, .dad_transmits = 1, .rtr_solicits = MAX_RTR_SOLICITATIONS, .rtr_solicit_interval = RTR_SOLICITATION_INTERVAL, @@ -4179,6 +4184,10 @@ static inline void ipv6_store_devconf(struct ipv6_devconf *cnf, array[DEVCONF_RTR_SOLICIT_DELAY] = jiffies_to_msecs(cnf->rtr_solicit_delay); array[DEVCONF_FORCE_MLD_VERSION] = cnf->force_mld_version; + array[DEVCONF_MLDV1_UNSOLICITED_REPORT_INTERVAL] = + jiffies_to_msecs(cnf->mldv1_unsolicited_report_interval); + array[DEVCONF_MLDV2_UNSOLICITED_REPORT_INTERVAL] = + jiffies_to_msecs(cnf->mldv2_unsolicited_report_interval); #ifdef CONFIG_IPV6_PRIVACY array[DEVCONF_USE_TEMPADDR] = cnf->use_tempaddr; array[DEVCONF_TEMP_VALID_LFT] = cnf->temp_valid_lft; @@ -4862,6 +4871,22 @@ static struct addrconf_sysctl_table .mode = 0644, .proc_handler = proc_dointvec, }, + { + .procname = "mldv1_unsolicited_report_interval", + .data = + &ipv6_devconf.mldv1_unsolicited_report_interval, + .maxlen = sizeof(int), + .mode = 0644, + .proc_handler = proc_dointvec_ms_jiffies, + }, + { + .procname = "mldv2_unsolicited_report_interval", + .data = + &ipv6_devconf.mldv2_unsolicited_report_interval, + .maxlen = sizeof(int), + .mode = 0644, + .proc_handler = proc_dointvec_ms_jiffies, + }, #ifdef CONFIG_IPV6_PRIVACY { .procname = "use_tempaddr", diff --git a/net/ipv6/mcast.c b/net/ipv6/mcast.c index db25b8e..6c76df9 100644 --- a/net/ipv6/mcast.c +++ b/net/ipv6/mcast.c @@ -108,7 +108,6 @@ static int ip6_mc_leave_src(struct sock *sk, struct ipv6_mc_socklist *iml, struct inet6_dev *idev); -#define IGMP6_UNSOLICITED_IVAL (10*HZ) #define MLD_QRV_DEFAULT 2 #define MLD_V1_SEEN(idev) (dev_net((idev)->dev)->ipv6.devconf_all->force_mld_version == 1 || \ @@ -129,6 +128,18 @@ int sysctl_mld_max_msf __read_mostly = IPV6_MLD_MAX_MSF; pmc != NULL; \ pmc = rcu_dereference(pmc->next)) +static int unsolicited_report_interval(struct inet6_dev *idev) +{ + int iv; + + if (MLD_V1_SEEN(idev)) + iv = idev->cnf.mldv1_unsolicited_report_interval; + else + iv = idev->cnf.mldv2_unsolicited_report_interval; + + return iv > 0 ? iv : 1; +} + int ipv6_sock_mc_join(struct sock *sk, int ifindex, const struct in6_addr *addr) { struct net_device *dev = NULL; @@ -2158,7 +2169,7 @@ static void igmp6_join_group(struct ifmcaddr6 *ma) igmp6_send(&ma->mca_addr, ma->idev->dev, ICMPV6_MGM_REPORT); - delay = net_random() % IGMP6_UNSOLICITED_IVAL; + delay = net_random() % unsolicited_report_interval(ma->idev); spin_lock_bh(&ma->mca_lock); if (del_timer(&ma->mca_timer)) { @@ -2325,7 +2336,7 @@ void ipv6_mc_init_dev(struct inet6_dev *idev) setup_timer(&idev->mc_dad_timer, mld_dad_timer_expire, (unsigned long)idev); idev->mc_qrv = MLD_QRV_DEFAULT; - idev->mc_maxdelay = IGMP6_UNSOLICITED_IVAL; + idev->mc_maxdelay = unsolicited_report_interval(idev); idev->mc_v1_seen = 0; write_unlock_bh(&idev->lock); } |