From: Antonio Quartulli <ordex-GaUfNO9RBHfsrOwW+9ziJQ@public.gmane.org>
To: davem-fT/PcQaiUtIeIZ0/mPfg9Q@public.gmane.org
Cc: netdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
b.a.t.m.a.n-ZwoEplunGu2X36UT3dwllkB+6BGkLq7r@public.gmane.org,
Marek Lindner <lindner_marek-LWAfsSFWpa4@public.gmane.org>
Subject: [PATCH 02/16] batman-adv: split hard_iface struct for each routing protocol
Date: Mon, 29 Oct 2012 09:58:03 +0100 [thread overview]
Message-ID: <1351501097-1289-3-git-send-email-ordex@autistici.org> (raw)
In-Reply-To: <1351501097-1289-1-git-send-email-ordex-GaUfNO9RBHfsrOwW+9ziJQ@public.gmane.org>
From: Marek Lindner <lindner_marek-LWAfsSFWpa4@public.gmane.org>
Signed-off-by: Marek Lindner <lindner_marek-LWAfsSFWpa4@public.gmane.org>
Signed-off-by: Antonio Quartulli <ordex-GaUfNO9RBHfsrOwW+9ziJQ@public.gmane.org>
---
net/batman-adv/bat_iv_ogm.c | 43 +++++++++++++++++++++++------------------
net/batman-adv/hard-interface.c | 4 ++--
net/batman-adv/types.h | 16 ++++++++++++---
3 files changed, 39 insertions(+), 24 deletions(-)
diff --git a/net/batman-adv/bat_iv_ogm.c b/net/batman-adv/bat_iv_ogm.c
index b02b75d..75403a4 100644
--- a/net/batman-adv/bat_iv_ogm.c
+++ b/net/batman-adv/bat_iv_ogm.c
@@ -57,20 +57,22 @@ out:
static int batadv_iv_ogm_iface_enable(struct batadv_hard_iface *hard_iface)
{
struct batadv_ogm_packet *batadv_ogm_packet;
+ unsigned char *ogm_buff;
uint32_t random_seqno;
int res = -ENOMEM;
/* randomize initial seqno to avoid collision */
get_random_bytes(&random_seqno, sizeof(random_seqno));
- atomic_set(&hard_iface->seqno, random_seqno);
+ atomic_set(&hard_iface->bat_iv.ogm_seqno, random_seqno);
- hard_iface->packet_len = BATADV_OGM_HLEN;
- hard_iface->packet_buff = kmalloc(hard_iface->packet_len, GFP_ATOMIC);
-
- if (!hard_iface->packet_buff)
+ hard_iface->bat_iv.ogm_buff_len = BATADV_OGM_HLEN;
+ ogm_buff = kmalloc(hard_iface->bat_iv.ogm_buff_len, GFP_ATOMIC);
+ if (!ogm_buff)
goto out;
- batadv_ogm_packet = (struct batadv_ogm_packet *)hard_iface->packet_buff;
+ hard_iface->bat_iv.ogm_buff = ogm_buff;
+
+ batadv_ogm_packet = (struct batadv_ogm_packet *)ogm_buff;
batadv_ogm_packet->header.packet_type = BATADV_IV_OGM;
batadv_ogm_packet->header.version = BATADV_COMPAT_VERSION;
batadv_ogm_packet->header.ttl = 2;
@@ -87,15 +89,16 @@ out:
static void batadv_iv_ogm_iface_disable(struct batadv_hard_iface *hard_iface)
{
- kfree(hard_iface->packet_buff);
- hard_iface->packet_buff = NULL;
+ kfree(hard_iface->bat_iv.ogm_buff);
+ hard_iface->bat_iv.ogm_buff = NULL;
}
static void batadv_iv_ogm_iface_update_mac(struct batadv_hard_iface *hard_iface)
{
struct batadv_ogm_packet *batadv_ogm_packet;
+ unsigned char *ogm_buff = hard_iface->bat_iv.ogm_buff;
- batadv_ogm_packet = (struct batadv_ogm_packet *)hard_iface->packet_buff;
+ batadv_ogm_packet = (struct batadv_ogm_packet *)ogm_buff;
memcpy(batadv_ogm_packet->orig,
hard_iface->net_dev->dev_addr, ETH_ALEN);
memcpy(batadv_ogm_packet->prev_sender,
@@ -106,8 +109,9 @@ static void
batadv_iv_ogm_primary_iface_set(struct batadv_hard_iface *hard_iface)
{
struct batadv_ogm_packet *batadv_ogm_packet;
+ unsigned char *ogm_buff = hard_iface->bat_iv.ogm_buff;
- batadv_ogm_packet = (struct batadv_ogm_packet *)hard_iface->packet_buff;
+ batadv_ogm_packet = (struct batadv_ogm_packet *)ogm_buff;
batadv_ogm_packet->flags = BATADV_PRIMARIES_FIRST_HOP;
batadv_ogm_packet->header.ttl = BATADV_TTL;
}
@@ -590,8 +594,10 @@ static void batadv_iv_ogm_forward(struct batadv_orig_node *orig_node,
static void batadv_iv_ogm_schedule(struct batadv_hard_iface *hard_iface)
{
struct batadv_priv *bat_priv = netdev_priv(hard_iface->soft_iface);
+ unsigned char **ogm_buff = &hard_iface->bat_iv.ogm_buff;
struct batadv_ogm_packet *batadv_ogm_packet;
struct batadv_hard_iface *primary_if;
+ int *ogm_buff_len = &hard_iface->bat_iv.ogm_buff_len;
int vis_server, tt_num_changes = 0;
uint32_t seqno;
uint8_t bandwidth;
@@ -600,17 +606,16 @@ static void batadv_iv_ogm_schedule(struct batadv_hard_iface *hard_iface)
primary_if = batadv_primary_if_get_selected(bat_priv);
if (hard_iface == primary_if)
- tt_num_changes = batadv_tt_append_diff(bat_priv,
- &hard_iface->packet_buff,
- &hard_iface->packet_len,
+ tt_num_changes = batadv_tt_append_diff(bat_priv, ogm_buff,
+ ogm_buff_len,
BATADV_OGM_HLEN);
- batadv_ogm_packet = (struct batadv_ogm_packet *)hard_iface->packet_buff;
+ batadv_ogm_packet = (struct batadv_ogm_packet *)(*ogm_buff);
/* change sequence number to network order */
- seqno = (uint32_t)atomic_read(&hard_iface->seqno);
+ seqno = (uint32_t)atomic_read(&hard_iface->bat_iv.ogm_seqno);
batadv_ogm_packet->seqno = htonl(seqno);
- atomic_inc(&hard_iface->seqno);
+ atomic_inc(&hard_iface->bat_iv.ogm_seqno);
batadv_ogm_packet->ttvn = atomic_read(&bat_priv->tt.vn);
batadv_ogm_packet->tt_crc = htons(bat_priv->tt.local_crc);
@@ -631,8 +636,8 @@ static void batadv_iv_ogm_schedule(struct batadv_hard_iface *hard_iface)
}
batadv_slide_own_bcast_window(hard_iface);
- batadv_iv_ogm_queue_add(bat_priv, hard_iface->packet_buff,
- hard_iface->packet_len, hard_iface, 1,
+ batadv_iv_ogm_queue_add(bat_priv, hard_iface->bat_iv.ogm_buff,
+ hard_iface->bat_iv.ogm_buff_len, hard_iface, 1,
batadv_iv_ogm_emit_send_time(bat_priv));
if (primary_if)
@@ -1015,7 +1020,7 @@ static void batadv_iv_ogm_process(const struct ethhdr *ethhdr,
return;
/* could be changed by schedule_own_packet() */
- if_incoming_seqno = atomic_read(&if_incoming->seqno);
+ if_incoming_seqno = atomic_read(&if_incoming->bat_iv.ogm_seqno);
if (batadv_ogm_packet->flags & BATADV_DIRECTLINK)
has_directlink_flag = 1;
diff --git a/net/batman-adv/hard-interface.c b/net/batman-adv/hard-interface.c
index d112fd6..fab9e41 100644
--- a/net/batman-adv/hard-interface.c
+++ b/net/batman-adv/hard-interface.c
@@ -450,8 +450,8 @@ batadv_hardif_add_interface(struct net_device *net_dev)
/* This can't be called via a bat_priv callback because
* we have no bat_priv yet.
*/
- atomic_set(&hard_iface->seqno, 1);
- hard_iface->packet_buff = NULL;
+ atomic_set(&hard_iface->bat_iv.ogm_seqno, 1);
+ hard_iface->bat_iv.ogm_buff = NULL;
return hard_iface;
diff --git a/net/batman-adv/types.h b/net/batman-adv/types.h
index ac1e07a..faaebd6 100644
--- a/net/batman-adv/types.h
+++ b/net/batman-adv/types.h
@@ -28,20 +28,30 @@
(ETH_HLEN + max(sizeof(struct batadv_unicast_packet), \
sizeof(struct batadv_bcast_packet)))
+/**
+ * struct batadv_hard_iface_bat_iv - per hard interface B.A.T.M.A.N. IV data
+ * @ogm_buff: buffer holding the OGM packet
+ * @ogm_buff_len: length of the OGM packet buffer
+ * @ogm_seqno: OGM sequence number - used to identify each OGM
+ */
+struct batadv_hard_iface_bat_iv {
+ unsigned char *ogm_buff;
+ int ogm_buff_len;
+ atomic_t ogm_seqno;
+};
+
struct batadv_hard_iface {
struct list_head list;
int16_t if_num;
char if_status;
struct net_device *net_dev;
- atomic_t seqno;
atomic_t frag_seqno;
- unsigned char *packet_buff;
- int packet_len;
struct kobject *hardif_obj;
atomic_t refcount;
struct packet_type batman_adv_ptype;
struct net_device *soft_iface;
struct rcu_head rcu;
+ struct batadv_hard_iface_bat_iv bat_iv;
};
/**
--
1.7.12.4
next prev parent reply other threads:[~2012-10-29 8:58 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-10-29 8:58 pull request: batman-adv 202-10-29 Antonio Quartulli
2012-10-29 8:58 ` [PATCH 01/16] batman-adv: use check_unicast_packet() in recv_roam_adv() Antonio Quartulli
[not found] ` <1351501097-1289-1-git-send-email-ordex-GaUfNO9RBHfsrOwW+9ziJQ@public.gmane.org>
2012-10-29 8:58 ` Antonio Quartulli [this message]
2012-10-29 8:58 ` [PATCH 03/16] batman-adv: Remove unused define BAT_ATTR_HIF_UINT Antonio Quartulli
2012-10-29 8:58 ` [PATCH 04/16] batman-adv: consolidate duplicated primary_if checking code Antonio Quartulli
2012-10-29 8:58 ` [PATCH 05/16] batman-adv: return proper value in case of hash_add failure Antonio Quartulli
2012-10-29 8:58 ` [PATCH 06/16] batman-adv: Set special lockdep classes to avoid lockdep warning Antonio Quartulli
2012-10-29 8:58 ` [PATCH 07/16] batman-adv: Remove extra check in batadv_bit_get_packet Antonio Quartulli
2012-10-29 8:58 ` [PATCH 08/16] batman-adv: Check return value of try_module_get Antonio Quartulli
2012-10-29 8:58 ` [PATCH 09/16] batman-adv: Only increase refcounter once for alternate router Antonio Quartulli
2012-10-29 8:58 ` [PATCH 10/16] batman-adv: don't allow ECTP traffic on batman-adv Antonio Quartulli
2012-10-29 8:58 ` [PATCH 11/16] batman-adv: properly store the roaming time Antonio Quartulli
2012-10-29 8:58 ` [PATCH 12/16] batman-adv: print packets re-routing on DBG_TT and ratelimit it Antonio Quartulli
2012-10-29 8:58 ` [PATCH 13/16] batman-adv: check for more space before accessing the skb Antonio Quartulli
2012-10-29 8:58 ` [PATCH 14/16] batman-adv: properly convert flag into a boolean value Antonio Quartulli
2012-10-29 8:58 ` [PATCH 15/16] batman-adv: pass the WIFI flag from the local to global entry Antonio Quartulli
2012-10-29 8:58 ` [PATCH 16/16] batman-adv: add kernel-doc for enum batadv_dbg_level Antonio Quartulli
2012-10-31 17:53 ` pull request: batman-adv 202-10-29 David Miller
-- strict thread matches above, loose matches on Subject: below --
2012-10-28 11:17 pull request: batman-adv 2012-10-28 Antonio Quartulli
2012-10-28 11:17 ` [PATCH 02/16] batman-adv: split hard_iface struct for each routing protocol Antonio Quartulli
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