(seq_bits[i - word_num - 1] >>
(WORD_BIT_SIZE-word_offset));
/* and the upper part of the right half and shift it left to
- * it's position */
+ * its position */
/* for our example that would be: word[0] = 9800 + 0076 =
* 9876 */
}
- /* now for our last word, i==word_num, we only have the it's "left"
- * half. that's the 1000 word in our example.*/
+ /* now for our last word, i==word_num, we only have its "left" half.
+ * that's the 1000 word in our example.*/
seq_bits[i] = (seq_bits[i - word_num] << word_offset);
pkt_len -= header_len + DHCP_OPTIONS_OFFSET + 1;
/* Access the dhcp option lists. Each entry is made up by:
- * - octect 1: option type
- * - octect 2: option data len (only if type != 255 and 0)
- * - octect 3: option data */
+ * - octet 1: option type
+ * - octet 2: option data len (only if type != 255 and 0)
+ * - octet 3: option data */
while (*p != 255 && !ret) {
- /* p now points to the first octect: option type */
+ /* p now points to the first octet: option type */
if (*p == 53) {
/* type 53 is the message type option.
- * Jump the len octect and go to the data octect */
+ * Jump the len octet and go to the data octet */
if (pkt_len < 2)
goto out;
p += 2;
/**
* the first active interface becomes our primary interface or
- * the next active interface after the old primay interface was removed
+ * the next active interface after the old primary interface was removed
*/
primary_if = primary_if_get_selected(bat_priv);
if (!primary_if)
return NOTIFY_DONE;
}
-/* receive a packet with the batman ethertype coming on a hard
+/* incoming packets with the batman ethertype received on any active hard
* interface */
static int batman_skb_recv(struct sk_buff *skb, struct net_device *dev,
struct packet_type *ptype,
#define PURGE_TIMEOUT 200
#define TT_LOCAL_TIMEOUT 3600 /* in seconds */
#define TT_CLIENT_ROAM_TIMEOUT 600
-/* sliding packet range of received originator messages in squence numbers
+/* sliding packet range of received originator messages in sequence numbers
* (should be a multiple of our word size) */
#define TQ_LOCAL_WINDOW_SIZE 64
#define TT_REQUEST_TIMEOUT 3 /* seconds we have to keep pending tt_req */
#include <linux/mutex.h> /* mutex */
#include <linux/module.h> /* needed by all modules */
#include <linux/netdevice.h> /* netdevice */
-#include <linux/etherdevice.h> /* ethernet address classifaction */
+#include <linux/etherdevice.h> /* ethernet address classification */
#include <linux/if_ether.h> /* ethernet header */
#include <linux/poll.h> /* poll_table */
#include <linux/kthread.h> /* kernel threads */
/* the ttvn increased by one -> we can apply the attached changes */
if (ttvn - orig_ttvn == 1) {
- /* the OGM could not contain the changes because they were too
- * many to fit in one frame or because they have already been
- * sent TT_OGM_APPEND_MAX times. In this case send a tt
- * request */
+ /* the OGM could not contain the changes due to their size or
+ * because they have already been sent TT_OGM_APPEND_MAX times.
+ * In this case send a tt request */
if (!tt_num_changes) {
full_table = false;
goto request_table;
tt_update_changes(bat_priv, orig_node, tt_num_changes, ttvn,
(struct tt_change *)tt_buff);
- /* Even if we received the crc into the OGM, we prefer
- * to recompute it to spot any possible inconsistency
+ /* Even if we received the precomputed crc with the OGM, we
+ * prefer to recompute it to spot any possible inconsistency
* in the global table */
orig_node->tt_crc = tt_global_crc(bat_priv, orig_node);
/* The ttvn alone is not enough to guarantee consistency
- * because a single value could repesent different states
+ * because a single value could represent different states
* (due to the wrap around). Thus a node has to check whether
* the resulting table (after applying the changes) is still
* consistent or not. E.g. a node could disconnect while its
if (!neigh_node)
goto out;
- /* if orig_node is direct neighbour update neigh_node last_valid */
+ /* if orig_node is direct neighbor update neigh_node last_valid */
if (orig_node == orig_neigh_node)
neigh_node->last_valid = jiffies;
if (router && (router->tq_avg > neigh_node->tq_avg))
goto update_tt;
- /* if the TQ is the same and the link not more symetric we
+ /* if the TQ is the same and the link not more symmetric we
* won't consider it either */
if (router && (neigh_node->tq_avg == router->tq_avg)) {
orig_node_tmp = router->orig_node;
}
break;
case TT_RESPONSE:
- /* packet needs to be linearised to access the TT changes */
+ /* packet needs to be linearized to access the TT changes */
if (skb_linearize(skb) < 0)
goto out;
"Forwarding"));
bat_dbg(DBG_BATMAN, bat_priv,
"%s %spacket (originator %pM, seqno %d, TQ %d, TTL %d,"
- " IDF %s, hvn %d) on interface %s [%pM]\n",
+ " 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,
prepare_packet_buffer(bat_priv, hard_iface);
}
- /* if the changes have been sent enough times */
+ /* if the changes have been sent often enough */
if (!atomic_dec_not_zero(&bat_priv->tt_ogm_append_cnt))
reset_packet_buffer(bat_priv, hard_iface);
}
}
/* add a broadcast packet to the queue and setup timers. broadcast packets
- * are sent multiple times to increase probability for beeing received.
+ * are sent multiple times to increase probability for being received.
*
* This function returns NETDEV_TX_OK on success and NETDEV_TX_BUSY on
* errors.
&bat_priv->forw_bcast_list, list) {
/**
- * if purge_outstanding_packets() was called with an argmument
+ * if purge_outstanding_packets() was called with an argument
* we delete only packets belonging to the given interface
*/
if ((hard_iface) &&
&bat_priv->forw_bat_list, list) {
/**
- * if purge_outstanding_packets() was called with an argmument
+ * if purge_outstanding_packets() was called with an argument
* we delete only packets belonging to the given interface
*/
if ((hard_iface) &&
if (!is_valid_ether_addr(addr->sa_data))
return -EADDRNOTAVAIL;
- /* only modify transtable if it has been initialised before */
+ /* only modify transtable if it has been initialized before */
if (atomic_read(&bat_priv->mesh_state) == MESH_ACTIVE) {
tt_local_remove(bat_priv, dev->dev_addr,
"mac address changed", false);
tt_local_event(bat_priv, tt_local_entry->addr,
tt_local_entry->flags | flags);
- /* The local client has to be merked as "pending to be removed" but has
- * to be kept in the table in order to send it in an full tables
+ /* The local client has to be marked as "pending to be removed" but has
+ * to be kept in the table in order to send it in a full table
* response issued before the net ttvn increment (consistency check) */
tt_local_entry->flags |= TT_CLIENT_PENDING;
}
orig_ttvn = (uint8_t)atomic_read(&req_dst_orig_node->last_ttvn);
req_ttvn = tt_request->ttvn;
- /* I have not the requested data */
+ /* I don't have the requested data */
if (orig_ttvn != req_ttvn ||
tt_request->tt_data != req_dst_orig_node->tt_crc)
goto out;
- /* If it has explicitly been requested the full table */
+ /* If the full table has been explicitly requested */
if (tt_request->flags & TT_FULL_TABLE ||
!req_dst_orig_node->tt_buff)
full_table = true;
uint16_t tt_global_crc(struct bat_priv *bat_priv, struct orig_node *orig_node);
void tt_free(struct bat_priv *bat_priv);
int send_tt_request(struct bat_priv *bat_priv,
- struct orig_node *dst_orig_node, uint8_t hvn,
+ struct orig_node *dst_orig_node, uint8_t ttvn,
uint16_t tt_crc, bool full_table);
bool send_tt_response(struct bat_priv *bat_priv,
struct tt_query_packet *tt_request);
* @batman_seqno_reset: time when the batman seqno window was reset
* @gw_flags: flags related to gateway class
* @flags: for now only VIS_SERVER flag
- * @last_real_seqno: last and best known squence number
+ * @last_real_seqno: last and best known sequence number
* @last_ttl: ttl of last received packet
* @last_bcast_seqno: last broadcast sequence number received by this host
*
atomic_t bcast_seqno;
atomic_t bcast_queue_left;
atomic_t batman_queue_left;
- atomic_t ttvn; /* tranlation table version number */
+ atomic_t ttvn; /* translation table version number */
atomic_t tt_ogm_append_cnt;
atomic_t tt_local_changes; /* changes registered in a OGM interval */
/* The tt_poss_change flag is used to detect an ongoing roaming phase.
#include "packet.h"
-#define FRAG_TIMEOUT 10000 /* purge frag list entrys after time in ms */
+#define FRAG_TIMEOUT 10000 /* purge frag list entries after time in ms */
#define FRAG_BUFFER_SIZE 6 /* number of list elements in buffer */
int frag_reassemble_skb(struct sk_buff *skb, struct bat_priv *bat_priv,
return;
}
- /* its a new address, add it to the list */
+ /* it's a new address, add it to the list */
entry = kmalloc(sizeof(*entry), GFP_ATOMIC);
if (!entry)
return;
git.openpandora.org / pandora-kernel.git / commitdiff