batman-adv: Add elp_interval hardif genl configuration
The ELP packets are transmitted every elp_interval milliseconds on an slave/hard-interface. This value can be changed using the configuration interface. The BATADV_CMD_SET_HARDIF/BATADV_CMD_GET_HARDIF commands allow to set/get the configuration of this feature using the u32 BATADV_ATTR_ELP_INTERVAL attribute. Signed-off-by: Sven Eckelmann <sven@narfation.org> Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
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@ -477,6 +477,12 @@ enum batadv_nl_attrs {
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*/
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*/
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BATADV_ATTR_ORIG_INTERVAL,
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BATADV_ATTR_ORIG_INTERVAL,
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/**
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* @BATADV_ATTR_ELP_INTERVAL: defines the interval in milliseconds in
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* which batman emits probing packets for neighbor sensing (ELP).
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*/
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BATADV_ATTR_ELP_INTERVAL,
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/* add attributes above here, update the policy in netlink.c */
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/* add attributes above here, update the policy in netlink.c */
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/**
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/**
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@ -159,6 +159,7 @@ static const struct nla_policy batadv_netlink_policy[NUM_BATADV_ATTR] = {
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[BATADV_ATTR_MULTICAST_FORCEFLOOD_ENABLED] = { .type = NLA_U8 },
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[BATADV_ATTR_MULTICAST_FORCEFLOOD_ENABLED] = { .type = NLA_U8 },
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[BATADV_ATTR_NETWORK_CODING_ENABLED] = { .type = NLA_U8 },
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[BATADV_ATTR_NETWORK_CODING_ENABLED] = { .type = NLA_U8 },
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[BATADV_ATTR_ORIG_INTERVAL] = { .type = NLA_U32 },
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[BATADV_ATTR_ORIG_INTERVAL] = { .type = NLA_U32 },
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[BATADV_ATTR_ELP_INTERVAL] = { .type = NLA_U32 },
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};
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};
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/**
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/**
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@ -825,6 +826,12 @@ static int batadv_netlink_hardif_fill(struct sk_buff *msg,
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goto nla_put_failure;
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goto nla_put_failure;
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}
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}
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#ifdef CONFIG_BATMAN_ADV_BATMAN_V
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if (nla_put_u32(msg, BATADV_ATTR_ELP_INTERVAL,
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atomic_read(&hard_iface->bat_v.elp_interval)))
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goto nla_put_failure;
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#endif /* CONFIG_BATMAN_ADV_BATMAN_V */
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genlmsg_end(msg, hdr);
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genlmsg_end(msg, hdr);
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return 0;
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return 0;
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@ -910,6 +917,16 @@ static int batadv_netlink_set_hardif(struct sk_buff *skb,
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struct batadv_hard_iface *hard_iface = info->user_ptr[1];
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struct batadv_hard_iface *hard_iface = info->user_ptr[1];
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struct batadv_priv *bat_priv = info->user_ptr[0];
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struct batadv_priv *bat_priv = info->user_ptr[0];
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#ifdef CONFIG_BATMAN_ADV_BATMAN_V
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struct nlattr *attr;
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if (info->attrs[BATADV_ATTR_ELP_INTERVAL]) {
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attr = info->attrs[BATADV_ATTR_ELP_INTERVAL];
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atomic_set(&hard_iface->bat_v.elp_interval, nla_get_u32(attr));
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}
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#endif /* CONFIG_BATMAN_ADV_BATMAN_V */
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batadv_netlink_notify_hardif(bat_priv, hard_iface);
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batadv_netlink_notify_hardif(bat_priv, hard_iface);
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return 0;
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return 0;
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