diff options
author | Hans Dedecker <dedeckeh@gmail.com> | 2015-06-25 12:38:52 +0200 |
---|---|---|
committer | Steven Barth <steven@midlink.org> | 2015-07-03 12:27:55 +0200 |
commit | 7dcacc6189ff255b87d9779facedfb15e140d0d3 (patch) | |
tree | 56eaec4698318c4ea8e4701a92fe1eeeeb917450 | |
parent | 5b29ffda0099c3bcb8d17a728e1e89dc21a2e68d (diff) |
netifd: Add dadtransmits config option
Config option dadtransmits allows to configure the amount of
Duplicate Address Detection probes to be sent
Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>
-rw-r--r-- | device.c | 12 | ||||
-rw-r--r-- | device.h | 5 | ||||
-rw-r--r-- | system-linux.c | 29 |
3 files changed, 36 insertions, 10 deletions
@@ -47,6 +47,7 @@ static const struct blobmsg_policy dev_attrs[__DEV_ATTR_MAX] = { [DEV_ATTR_NEIGHREACHABLETIME] = { .name = "neighreachabletime", .type = BLOBMSG_TYPE_INT32 }, [DEV_ATTR_RPS] = { .name = "rps", .type = BLOBMSG_TYPE_BOOL }, [DEV_ATTR_XPS] = { .name = "xps", .type = BLOBMSG_TYPE_BOOL }, + [DEV_ATTR_DADTRANSMITS] = { .name = "dadtransmits", .type = BLOBMSG_TYPE_INT32 }, }; const struct uci_blob_param_list device_attr_list = { @@ -170,7 +171,9 @@ device_merge_settings(struct device *dev, struct device_settings *n) n->neigh4reachabletime = s->flags & DEV_OPT_NEIGHREACHABLETIME ? s->neigh4reachabletime : os->neigh4reachabletime; n->neigh6reachabletime = s->flags & DEV_OPT_NEIGHREACHABLETIME ? - s->neigh6reachabletime : os->neigh6reachabletime; + s->neigh6reachabletime : os->neigh6reachabletime; + n->dadtransmits = s->flags & DEV_OPT_DADTRANSMITS ? + s->dadtransmits : os->dadtransmits; n->flags = s->flags | os->flags; } @@ -266,6 +269,11 @@ device_init_settings(struct device *dev, struct blob_attr **tb) else s->xps = default_ps; + if ((cur = tb[DEV_ATTR_DADTRANSMITS])) { + s->dadtransmits = blobmsg_get_u32(cur); + s->flags |= DEV_OPT_DADTRANSMITS; + } + device_set_disabled(dev, disabled); } @@ -872,6 +880,8 @@ device_dump_status(struct blob_buf *b, struct device *dev) blobmsg_add_u32(b, "neigh4reachabletime", st.neigh4reachabletime); blobmsg_add_u32(b, "neigh6reachabletime", st.neigh6reachabletime); } + if (st.flags & DEV_OPT_DADTRANSMITS) + blobmsg_add_u32(b, "dadtransmits", st.dadtransmits); } s = blobmsg_open_table(b, "statistics"); @@ -41,6 +41,7 @@ enum { DEV_ATTR_NEIGHREACHABLETIME, DEV_ATTR_RPS, DEV_ATTR_XPS, + DEV_ATTR_DADTRANSMITS, __DEV_ATTR_MAX, }; @@ -81,7 +82,8 @@ enum { DEV_OPT_NEIGHREACHABLETIME = (1 << 9), DEV_OPT_RPS = (1 << 10), DEV_OPT_XPS = (1 << 11), - DEV_OPT_MTU6 = (1 << 12), + DEV_OPT_MTU6 = (1 << 12), + DEV_OPT_DADTRANSMITS = (1 << 13), }; /* events broadcasted to all users of a device */ @@ -138,6 +140,7 @@ struct device_settings { unsigned int neigh6reachabletime; bool rps; bool xps; + unsigned int dadtransmits; }; /* diff --git a/system-linux.c b/system-linux.c index b44eb76..9ba13fd 100644 --- a/system-linux.c +++ b/system-linux.c @@ -310,6 +310,11 @@ static void system_set_neigh6reachabletime(struct device *dev, const char *val) system_set_dev_sysctl("/proc/sys/net/ipv6/neigh/%s/base_reachable_time_ms", dev->ifname, val); } +static void system_set_dadtransmits(struct device *dev, const char *val) +{ + system_set_dev_sysctl("/proc/sys/net/ipv6/conf/%s/dad_transmits", dev->ifname, val); +} + static int system_get_sysctl(const char *path, char *buf, const size_t buf_sz) { int fd = -1, ret = -1; @@ -380,6 +385,12 @@ static int system_get_neigh6reachabletime(struct device *dev, char *buf, const s dev->ifname, buf, buf_sz); } +static int system_get_dadtransmits(struct device *dev, char *buf, const size_t buf_sz) +{ + return system_get_dev_sysctl("/proc/sys/net/ipv6/conf/%s/dad_transmits", + dev->ifname, buf, buf_sz); +} + // Evaluate netlink messages static int cb_rtnl_event(struct nl_msg *msg, void *arg) { @@ -1072,6 +1083,11 @@ system_if_get_settings(struct device *dev, struct device_settings *s) s->neigh6reachabletime = strtoul(buf, NULL, 0); s->flags |= DEV_OPT_NEIGHREACHABLETIME; } + + if (!system_get_dadtransmits(dev, buf, sizeof(buf))) { + s->dadtransmits = strtoul(buf, NULL, 0); + s->flags |= DEV_OPT_DADTRANSMITS; + } } static void @@ -1110,6 +1126,7 @@ void system_if_apply_settings(struct device *dev, struct device_settings *s, unsigned int apply_mask) { struct ifreq ifr; + char buf[12]; memset(&ifr, 0, sizeof(ifr)); strncpy(ifr.ifr_name, dev->ifname, sizeof(ifr.ifr_name)); @@ -1140,33 +1157,29 @@ system_if_apply_settings(struct device *dev, struct device_settings *s, unsigned s->flags &= ~DEV_OPT_PROMISC; } if (s->flags & DEV_OPT_RPFILTER & apply_mask) { - char buf[2]; - snprintf(buf, sizeof(buf), "%d", s->rpfilter); system_set_rpfilter(dev, buf); } if (s->flags & DEV_OPT_ACCEPTLOCAL & apply_mask) system_set_acceptlocal(dev, s->acceptlocal ? "1" : "0"); if (s->flags & DEV_OPT_IGMPVERSION & apply_mask) { - char buf[2]; - snprintf(buf, sizeof(buf), "%d", s->igmpversion); system_set_igmpversion(dev, buf); } if (s->flags & DEV_OPT_MLDVERSION & apply_mask) { - char buf[2]; - snprintf(buf, sizeof(buf), "%d", s->mldversion); system_set_mldversion(dev, buf); } if (s->flags & DEV_OPT_NEIGHREACHABLETIME & apply_mask) { - char buf[12]; - snprintf(buf, sizeof(buf), "%d", s->neigh4reachabletime); system_set_neigh4reachabletime(dev, buf); snprintf(buf, sizeof(buf), "%d", s->neigh6reachabletime); system_set_neigh6reachabletime(dev, buf); } + if (s->flags & DEV_OPT_DADTRANSMITS & apply_mask) { + snprintf(buf, sizeof(buf), "%d", s->dadtransmits); + system_set_dadtransmits(dev, buf); + } system_if_apply_rps_xps(dev, s); } |