batman-adv: rename all instances of batman_packet to batman_ogm_packet

The follow-up routing code changes are going to introduce additional
routing packet types which make this distinction necessary.

Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>

1 files changed, 67 insertions, 63 deletions

diff --git a/net/batman-adv/send.c b/net/batman-adv/send.c
index 57ae80936911..40a5fcd67136 100644
--- a/net/batman-adv/send.c
+++ b/net/batman-adv/send.c
@@ -107,7 +107,7 @@ static void send_packet_to_if(struct forw_packet *forw_packet,
         char *fwd_str;
         uint8_t packet_num;
         int16_t buff_pos;
-        struct batman_packet *batman_packet;
+        struct batman_ogm_packet *batman_ogm_packet;
         struct sk_buff *skb;
 
         if (hard_iface->if_status != IF_ACTIVE)
@@ -115,20 +115,20 @@ static void send_packet_to_if(struct forw_packet *forw_packet,
 
         packet_num = 0;
         buff_pos = 0;
-        batman_packet = (struct batman_packet *)forw_packet->skb->data;
+        batman_ogm_packet = (struct batman_ogm_packet *)forw_packet->skb->data;
 
         /* adjust all flags and log packets */
         while (aggregated_packet(buff_pos,
                                  forw_packet->packet_len,
-                                 batman_packet->tt_num_changes)) {
+                                 batman_ogm_packet->tt_num_changes)) {
 
                 /* we might have aggregated direct link packets with an
                  * ordinary base packet */
                 if ((forw_packet->direct_link_flags & (1 << packet_num)) &&
                     (forw_packet->if_incoming == hard_iface))
-                        batman_packet->flags |= DIRECTLINK;
+                        batman_ogm_packet->flags |= DIRECTLINK;
                 else
-                        batman_packet->flags &= ~DIRECTLINK;
+                        batman_ogm_packet->flags &= ~DIRECTLINK;
 
                 fwd_str = (packet_num > 0 ? "Forwarding" : (forw_packet->own ?
                                                             "Sending own" :
@@ -137,18 +137,19 @@ static void send_packet_to_if(struct forw_packet *forw_packet,
                         "%s %spacket (originator %pM, seqno %d, TQ %d, TTL %d,"
                         " IDF %s, ttvn %d) on interface %s [%pM]\n",
                         fwd_str, (packet_num > 0 ? "aggregated " : ""),
-                        batman_packet->orig, ntohl(batman_packet->seqno),
-                        batman_packet->tq, batman_packet->ttl,
-                        (batman_packet->flags & DIRECTLINK ?
+                        batman_ogm_packet->orig,
+                        ntohl(batman_ogm_packet->seqno),
+                        batman_ogm_packet->tq, batman_ogm_packet->ttl,
+                        (batman_ogm_packet->flags & DIRECTLINK ?
                          "on" : "off"),
-                        batman_packet->ttvn, hard_iface->net_dev->name,
+                        batman_ogm_packet->ttvn, hard_iface->net_dev->name,
                         hard_iface->net_dev->dev_addr);
 
-                buff_pos += sizeof(*batman_packet) +
-                        tt_len(batman_packet->tt_num_changes);
+                buff_pos += BATMAN_OGM_LEN +
+                                tt_len(batman_ogm_packet->tt_num_changes);
                 packet_num++;
-                batman_packet = (struct batman_packet *)
-                        (forw_packet->skb->data + buff_pos);
+                batman_ogm_packet = (struct batman_ogm_packet *)
+                                        (forw_packet->skb->data + buff_pos);
         }
 
         /* create clone because function is called more than once */
@@ -164,9 +165,11 @@ static void send_packet(struct forw_packet *forw_packet)
         struct net_device *soft_iface;
         struct bat_priv *bat_priv;
         struct hard_iface *primary_if = NULL;
-        struct batman_packet *batman_packet =
-                (struct batman_packet *)(forw_packet->skb->data);
-        int directlink = (batman_packet->flags & DIRECTLINK ? 1 : 0);
+        struct batman_ogm_packet *batman_ogm_packet =
+                        (struct batman_ogm_packet *)(forw_packet->skb->data);
+        unsigned char directlink;
+
+        directlink = (batman_ogm_packet->flags & DIRECTLINK ? 1 : 0);
 
         if (!forw_packet->if_incoming) {
                 pr_err("Error - can't forward packet: incoming iface not "
@@ -186,7 +189,7 @@ static void send_packet(struct forw_packet *forw_packet)
 
         /* multihomed peer assumed */
         /* non-primary OGMs are only broadcasted on their interface */
-        if ((directlink && (batman_packet->ttl == 1)) ||
+        if ((directlink && (batman_ogm_packet->ttl == 1)) ||
             (forw_packet->own && (forw_packet->if_incoming != primary_if))) {
 
                 /* FIXME: what about aggregated packets ? */
@@ -194,8 +197,9 @@ static void send_packet(struct forw_packet *forw_packet)
                         "%s packet (originator %pM, seqno %d, TTL %d) "
                         "on interface %s [%pM]\n",
                         (forw_packet->own ? "Sending own" : "Forwarding"),
-                        batman_packet->orig, ntohl(batman_packet->seqno),
-                        batman_packet->ttl,
+                        batman_ogm_packet->orig,
+                        ntohl(batman_ogm_packet->seqno),
+                        batman_ogm_packet->ttl,
                         forw_packet->if_incoming->net_dev->name,
                         forw_packet->if_incoming->net_dev->dev_addr);
 
@@ -223,17 +227,16 @@ out:
 }
 
 static void realloc_packet_buffer(struct hard_iface *hard_iface,
-                                int new_len)
+                                  int new_len)
 {
         unsigned char *new_buff;
-        struct batman_packet *batman_packet;
 
         new_buff = kmalloc(new_len, GFP_ATOMIC);
 
         /* keep old buffer if kmalloc should fail */
         if (new_buff) {
                 memcpy(new_buff, hard_iface->packet_buff,
-                       sizeof(*batman_packet));
+                       BATMAN_OGM_LEN);
 
                 kfree(hard_iface->packet_buff);
                 hard_iface->packet_buff = new_buff;
@@ -246,39 +249,39 @@ static void prepare_packet_buffer(struct bat_priv *bat_priv,
                                   struct hard_iface *hard_iface)
 {
         int new_len;
-        struct batman_packet *batman_packet;
+        struct batman_ogm_packet *batman_ogm_packet;
 
-        new_len = BAT_PACKET_LEN +
+        new_len = BATMAN_OGM_LEN +
                   tt_len((uint8_t)atomic_read(&bat_priv->tt_local_changes));
 
         /* if we have too many changes for one packet don't send any
          * and wait for the tt table request which will be fragmented */
         if (new_len > hard_iface->soft_iface->mtu)
-                new_len = BAT_PACKET_LEN;
+                new_len = BATMAN_OGM_LEN;
 
         realloc_packet_buffer(hard_iface, new_len);
-        batman_packet = (struct batman_packet *)hard_iface->packet_buff;
+        batman_ogm_packet = (struct batman_ogm_packet *)hard_iface->packet_buff;
 
         atomic_set(&bat_priv->tt_crc, tt_local_crc(bat_priv));
 
         /* reset the sending counter */
         atomic_set(&bat_priv->tt_ogm_append_cnt, TT_OGM_APPEND_MAX);
 
-        batman_packet->tt_num_changes = tt_changes_fill_buffer(bat_priv,
-                                hard_iface->packet_buff + BAT_PACKET_LEN,
-                                hard_iface->packet_len - BAT_PACKET_LEN);
+        batman_ogm_packet->tt_num_changes = tt_changes_fill_buffer(bat_priv,
+                                hard_iface->packet_buff + BATMAN_OGM_LEN,
+                                hard_iface->packet_len - BATMAN_OGM_LEN);
 
 }
 
 static void reset_packet_buffer(struct bat_priv *bat_priv,
-        struct hard_iface *hard_iface)
+                                struct hard_iface *hard_iface)
 {
-        struct batman_packet *batman_packet;
+        struct batman_ogm_packet *batman_ogm_packet;
 
-        realloc_packet_buffer(hard_iface, BAT_PACKET_LEN);
+        realloc_packet_buffer(hard_iface, BATMAN_OGM_LEN);
 
-        batman_packet = (struct batman_packet *)hard_iface->packet_buff;
-        batman_packet->tt_num_changes = 0;
+        batman_ogm_packet = (struct batman_ogm_packet *)hard_iface->packet_buff;
+        batman_ogm_packet->tt_num_changes = 0;
 }
 
 void schedule_own_packet(struct hard_iface *hard_iface)
@@ -286,7 +289,7 @@ void schedule_own_packet(struct hard_iface *hard_iface)
         struct bat_priv *bat_priv = netdev_priv(hard_iface->soft_iface);
         struct hard_iface *primary_if;
         unsigned long send_time;
-        struct batman_packet *batman_packet;
+        struct batman_ogm_packet *batman_ogm_packet;
         int vis_server;
 
         if ((hard_iface->if_status == IF_NOT_IN_USE) ||
@@ -322,26 +325,27 @@ void schedule_own_packet(struct hard_iface *hard_iface)
          * NOTE: packet_buff might just have been re-allocated in
          * prepare_packet_buffer() or in reset_packet_buffer()
          */
-        batman_packet = (struct batman_packet *)hard_iface->packet_buff;
+        batman_ogm_packet = (struct batman_ogm_packet *)hard_iface->packet_buff;
 
         /* change sequence number to network order */
-        batman_packet->seqno =
-                htonl((uint32_t)atomic_read(&hard_iface->seqno));
+        batman_ogm_packet->seqno =
+                        htonl((uint32_t)atomic_read(&hard_iface->seqno));
 
-        batman_packet->ttvn = atomic_read(&bat_priv->ttvn);
-        batman_packet->tt_crc = htons((uint16_t)atomic_read(&bat_priv->tt_crc));
+        batman_ogm_packet->ttvn = atomic_read(&bat_priv->ttvn);
+        batman_ogm_packet->tt_crc = htons((uint16_t)
+                                                atomic_read(&bat_priv->tt_crc));
 
         if (vis_server == VIS_TYPE_SERVER_SYNC)
-                batman_packet->flags |= VIS_SERVER;
+                batman_ogm_packet->flags |= VIS_SERVER;
         else
-                batman_packet->flags &= ~VIS_SERVER;
+                batman_ogm_packet->flags &= ~VIS_SERVER;
 
         if ((hard_iface == primary_if) &&
             (atomic_read(&bat_priv->gw_mode) == GW_MODE_SERVER))
-                batman_packet->gw_flags =
+                batman_ogm_packet->gw_flags =
                                 (uint8_t)atomic_read(&bat_priv->gw_bandwidth);
         else
-                batman_packet->gw_flags = NO_FLAGS;
+                batman_ogm_packet->gw_flags = NO_FLAGS;
 
         atomic_inc(&hard_iface->seqno);
 
@@ -358,7 +362,7 @@ void schedule_own_packet(struct hard_iface *hard_iface)
 
 void schedule_forward_packet(struct orig_node *orig_node,
                              const struct ethhdr *ethhdr,
-                             struct batman_packet *batman_packet,
+                             struct batman_ogm_packet *batman_ogm_packet,
                              int directlink,
                              struct hard_iface *if_incoming)
 {
@@ -368,19 +372,19 @@ void schedule_forward_packet(struct orig_node *orig_node,
         unsigned long send_time;
         uint8_t tt_num_changes;
 
-        if (batman_packet->ttl <= 1) {
+        if (batman_ogm_packet->ttl <= 1) {
                 bat_dbg(DBG_BATMAN, bat_priv, "ttl exceeded\n");
                 return;
         }
 
         router = orig_node_get_router(orig_node);
 
-        in_tq = batman_packet->tq;
-        in_ttl = batman_packet->ttl;
-        tt_num_changes = batman_packet->tt_num_changes;
+        in_tq = batman_ogm_packet->tq;
+        in_ttl = batman_ogm_packet->ttl;
+        tt_num_changes = batman_ogm_packet->tt_num_changes;
 
-        batman_packet->ttl--;
-        memcpy(batman_packet->prev_sender, ethhdr->h_source, ETH_ALEN);
+        batman_ogm_packet->ttl--;
+        memcpy(batman_ogm_packet->prev_sender, ethhdr->h_source, ETH_ALEN);
 
         /* rebroadcast tq of our best ranking neighbor to ensure the rebroadcast
          * of our best tq value */
@@ -388,10 +392,10 @@ void schedule_forward_packet(struct orig_node *orig_node,
 
                 /* rebroadcast ogm of best ranking neighbor as is */
                 if (!compare_eth(router->addr, ethhdr->h_source)) {
-                        batman_packet->tq = router->tq_avg;
+                        batman_ogm_packet->tq = router->tq_avg;
 
                         if (router->last_ttl)
-                                batman_packet->ttl = router->last_ttl - 1;
+                                batman_ogm_packet->ttl = router->last_ttl - 1;
                 }
 
                 tq_avg = router->tq_avg;
@@ -401,28 +405,28 @@ void schedule_forward_packet(struct orig_node *orig_node,
                 neigh_node_free_ref(router);
 
         /* apply hop penalty */
-        batman_packet->tq = hop_penalty(batman_packet->tq, bat_priv);
+        batman_ogm_packet->tq = hop_penalty(batman_ogm_packet->tq, bat_priv);
 
         bat_dbg(DBG_BATMAN, bat_priv,
                 "Forwarding packet: tq_orig: %i, tq_avg: %i, "
                 "tq_forw: %i, ttl_orig: %i, ttl_forw: %i\n",
-                in_tq, tq_avg, batman_packet->tq, in_ttl - 1,
-                batman_packet->ttl);
+                in_tq, tq_avg, batman_ogm_packet->tq, in_ttl - 1,
+                batman_ogm_packet->ttl);
 
-        batman_packet->seqno = htonl(batman_packet->seqno);
-        batman_packet->tt_crc = htons(batman_packet->tt_crc);
+        batman_ogm_packet->seqno = htonl(batman_ogm_packet->seqno);
+        batman_ogm_packet->tt_crc = htons(batman_ogm_packet->tt_crc);
 
         /* switch of primaries first hop flag when forwarding */
-        batman_packet->flags &= ~PRIMARIES_FIRST_HOP;
+        batman_ogm_packet->flags &= ~PRIMARIES_FIRST_HOP;
         if (directlink)
-                batman_packet->flags |= DIRECTLINK;
+                batman_ogm_packet->flags |= DIRECTLINK;
         else
-                batman_packet->flags &= ~DIRECTLINK;
+                batman_ogm_packet->flags &= ~DIRECTLINK;
 
         send_time = forward_send_time();
         add_bat_packet_to_list(bat_priv,
-                               (unsigned char *)batman_packet,
-                               sizeof(*batman_packet) + tt_len(tt_num_changes),
+                               (unsigned char *)batman_ogm_packet,
+                               BATMAN_OGM_LEN + tt_len(tt_num_changes),
                                if_incoming, 0, send_time);
 }