From: Antonio Quartulli <[email protected]> when batman-adv is asked to estimate/compute the throughput of an interface, but it fails for whatever reason, then the value in this attribute is used
Signed-off-by: Antonio Quartulli <[email protected]> --- bat_v.c | 3 +++ main.h | 7 +++++++ sysfs.c | 7 +++++++ types.h | 1 + 4 files changed, 18 insertions(+) diff --git a/bat_v.c b/bat_v.c index d5457b3..3aa42ec 100644 --- a/bat_v.c +++ b/bat_v.c @@ -75,6 +75,9 @@ static struct batadv_algo_ops batadv_batman_v __read_mostly = { int batadv_v_mesh_init(struct batadv_priv *bat_priv) { + atomic_set(&bat_priv->bat_v.base_throughput, + BATADV_DEFAULT_BASE_THROUGHPUT); + return batadv_v_ogm_init(bat_priv); } diff --git a/main.h b/main.h index 47fb9ed..5699c9f 100644 --- a/main.h +++ b/main.h @@ -33,6 +33,13 @@ #define BATADV_MAX_METRIC 0xFFFFFFFF #define BATADV_JITTER 20 +/** + * BATADV_DEFAULT_BASE_THROUGHPUT - default value used as throughput for + * hard_ifaces for which it is not possible to measure/estimate the real one. + * Value is expressed in Mbps/10 + */ +#define BATADV_DEFAULT_BASE_THROUGHPUT 10 + /* Time To Live of broadcast messages */ #define BATADV_TTL 50 diff --git a/sysfs.c b/sysfs.c index 8bbbdfa..a670eeb 100644 --- a/sysfs.c +++ b/sysfs.c @@ -606,6 +606,10 @@ BATADV_ATTR_SIF_BOOL(network_coding, S_IRUGO | S_IWUSR, #endif static BATADV_ATTR(isolation_mark, S_IRUGO | S_IWUSR, batadv_show_isolation_mark, batadv_store_isolation_mark); +#ifdef CONFIG_BATMAN_ADV_BATMAN_V +BATADV_ATTR_SIF_UINT2(base_throughput, bat_v.base_throughput, S_IRUGO | S_IWUSR, + 1, UINT_MAX, NULL); +#endif static struct batadv_attribute *batadv_mesh_attrs[] = { &batadv_attr_aggregated_ogms, @@ -630,6 +634,9 @@ static struct batadv_attribute *batadv_mesh_attrs[] = { &batadv_attr_network_coding, #endif &batadv_attr_isolation_mark, +#ifdef CONFIG_BATMAN_ADV_BATMAN_V + &batadv_attr_base_throughput, +#endif NULL, }; diff --git a/types.h b/types.h index 64316b9..22d621e 100644 --- a/types.h +++ b/types.h @@ -741,6 +741,7 @@ struct batadv_priv_bat_v { int ogm_buff_len; struct delayed_work ogm_wq; atomic_t ogm_seqno; + atomic_t base_throughput; }; /** -- 1.8.5.3
