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-rw-r--r--net/batman-adv/bat_iv_ogm.c25
-rw-r--r--net/batman-adv/bat_v_elp.c10
-rw-r--r--net/batman-adv/bat_v_ogm.c27
-rw-r--r--net/batman-adv/bridge_loop_avoidance.c6
-rw-r--r--net/batman-adv/distributed-arp-table.c2
-rw-r--r--net/batman-adv/fragmentation.c6
-rw-r--r--net/batman-adv/hard-interface.c16
-rw-r--r--net/batman-adv/log.h6
-rw-r--r--net/batman-adv/main.c2
-rw-r--r--net/batman-adv/main.h8
-rw-r--r--net/batman-adv/multicast.c21
-rw-r--r--net/batman-adv/netlink.c14
-rw-r--r--net/batman-adv/network-coding.c14
-rw-r--r--net/batman-adv/originator.c8
-rw-r--r--net/batman-adv/routing.c4
-rw-r--r--net/batman-adv/send.c4
-rw-r--r--net/batman-adv/soft-interface.c2
-rw-r--r--net/batman-adv/tp_meter.c12
-rw-r--r--net/batman-adv/translation-table.c10
-rw-r--r--net/batman-adv/tvlv.c4
-rw-r--r--net/batman-adv/types.h18
21 files changed, 123 insertions, 96 deletions
diff --git a/net/batman-adv/bat_iv_ogm.c b/net/batman-adv/bat_iv_ogm.c
index e87f19c82e8d..a4faf5f904d9 100644
--- a/net/batman-adv/bat_iv_ogm.c
+++ b/net/batman-adv/bat_iv_ogm.c
@@ -134,7 +134,7 @@ static u8 batadv_ring_buffer_avg(const u8 lq_recv[])
*
* Return: the originator object corresponding to the passed mac address or NULL
* on failure.
- * If the object does not exists it is created an initialised.
+ * If the object does not exist, it is created and initialised.
*/
static struct batadv_orig_node *
batadv_iv_ogm_orig_get(struct batadv_priv *bat_priv, const u8 *addr)
@@ -871,7 +871,7 @@ static void batadv_iv_ogm_schedule(struct batadv_hard_iface *hard_iface)
}
/**
- * batadv_iv_orig_ifinfo_sum() - Get bcast_own sum for originator over iterface
+ * batadv_iv_orig_ifinfo_sum() - Get bcast_own sum for originator over interface
* @orig_node: originator which reproadcasted the OGMs directly
* @if_outgoing: interface which transmitted the original OGM and received the
* direct rebroadcast
@@ -1075,10 +1075,10 @@ static bool batadv_iv_ogm_calc_tq(struct batadv_orig_node *orig_node,
struct batadv_neigh_ifinfo *neigh_ifinfo;
u8 total_count;
u8 orig_eq_count, neigh_rq_count, neigh_rq_inv, tq_own;
+ unsigned int tq_iface_hop_penalty = BATADV_TQ_MAX_VALUE;
unsigned int neigh_rq_inv_cube, neigh_rq_max_cube;
unsigned int tq_asym_penalty, inv_asym_penalty;
unsigned int combined_tq;
- unsigned int tq_iface_penalty;
bool ret = false;
/* find corresponding one hop neighbor */
@@ -1157,31 +1157,32 @@ static bool batadv_iv_ogm_calc_tq(struct batadv_orig_node *orig_node,
inv_asym_penalty = BATADV_TQ_MAX_VALUE * neigh_rq_inv_cube;
inv_asym_penalty /= neigh_rq_max_cube;
tq_asym_penalty = BATADV_TQ_MAX_VALUE - inv_asym_penalty;
+ tq_iface_hop_penalty -= atomic_read(&if_incoming->hop_penalty);
/* penalize if the OGM is forwarded on the same interface. WiFi
* interfaces and other half duplex devices suffer from throughput
* drops as they can't send and receive at the same time.
*/
- tq_iface_penalty = BATADV_TQ_MAX_VALUE;
if (if_outgoing && if_incoming == if_outgoing &&
batadv_is_wifi_hardif(if_outgoing))
- tq_iface_penalty = batadv_hop_penalty(BATADV_TQ_MAX_VALUE,
- bat_priv);
+ tq_iface_hop_penalty = batadv_hop_penalty(tq_iface_hop_penalty,
+ bat_priv);
combined_tq = batadv_ogm_packet->tq *
tq_own *
tq_asym_penalty *
- tq_iface_penalty;
+ tq_iface_hop_penalty;
combined_tq /= BATADV_TQ_MAX_VALUE *
BATADV_TQ_MAX_VALUE *
BATADV_TQ_MAX_VALUE;
batadv_ogm_packet->tq = combined_tq;
batadv_dbg(BATADV_DBG_BATMAN, bat_priv,
- "bidirectional: orig = %pM neigh = %pM => own_bcast = %2i, real recv = %2i, local tq: %3i, asym_penalty: %3i, iface_penalty: %3i, total tq: %3i, if_incoming = %s, if_outgoing = %s\n",
+ "bidirectional: orig = %pM neigh = %pM => own_bcast = %2i, real recv = %2i, local tq: %3i, asym_penalty: %3i, iface_hop_penalty: %3i, total tq: %3i, if_incoming = %s, if_outgoing = %s\n",
orig_node->orig, orig_neigh_node->orig, total_count,
- neigh_rq_count, tq_own, tq_asym_penalty, tq_iface_penalty,
- batadv_ogm_packet->tq, if_incoming->net_dev->name,
+ neigh_rq_count, tq_own, tq_asym_penalty,
+ tq_iface_hop_penalty, batadv_ogm_packet->tq,
+ if_incoming->net_dev->name,
if_outgoing ? if_outgoing->net_dev->name : "DEFAULT");
/* if link has the minimum required transmission quality
@@ -1554,7 +1555,7 @@ static void batadv_iv_ogm_process_reply(struct batadv_ogm_packet *ogm_packet,
* batadv_iv_ogm_process() - process an incoming batman iv OGM
* @skb: the skb containing the OGM
* @ogm_offset: offset to the OGM which should be processed (for aggregates)
- * @if_incoming: the interface where this packet was receved
+ * @if_incoming: the interface where this packet was received
*/
static void batadv_iv_ogm_process(const struct sk_buff *skb, int ogm_offset,
struct batadv_hard_iface *if_incoming)
@@ -2288,7 +2289,7 @@ batadv_iv_ogm_neigh_dump_hardif(struct sk_buff *msg, u32 portid, u32 seq,
* @msg: Netlink message to dump into
* @cb: Control block containing additional options
* @bat_priv: The bat priv with all the soft interface information
- * @single_hardif: Limit dump to this hard interfaace
+ * @single_hardif: Limit dump to this hard interface
*/
static void
batadv_iv_ogm_neigh_dump(struct sk_buff *msg, struct netlink_callback *cb,
diff --git a/net/batman-adv/bat_v_elp.c b/net/batman-adv/bat_v_elp.c
index 0bdefa35da98..d35aca0e969a 100644
--- a/net/batman-adv/bat_v_elp.c
+++ b/net/batman-adv/bat_v_elp.c
@@ -60,7 +60,7 @@ static void batadv_v_elp_start_timer(struct batadv_hard_iface *hard_iface)
* @neigh: the neighbour for which the throughput has to be obtained
*
* Return: The throughput towards the given neighbour in multiples of 100kpbs
- * (a value of '1' equals to 0.1Mbps, '10' equals 1Mbps, etc).
+ * (a value of '1' equals 0.1Mbps, '10' equals 1Mbps, etc).
*/
static u32 batadv_v_elp_get_throughput(struct batadv_hardif_neigh_node *neigh)
{
@@ -183,8 +183,8 @@ void batadv_v_elp_throughput_metric_update(struct work_struct *work)
*
* Sends a predefined number of unicast wifi packets to a given neighbour in
* order to trigger the throughput estimation on this link by the RC algorithm.
- * Packets are sent only if there there is not enough payload unicast traffic
- * towards this neighbour..
+ * Packets are sent only if there is not enough payload unicast traffic towards
+ * this neighbour..
*
* Return: True on success and false in case of error during skb preparation.
*/
@@ -244,7 +244,7 @@ batadv_v_elp_wifi_neigh_probe(struct batadv_hardif_neigh_node *neigh)
* batadv_v_elp_periodic_work() - ELP periodic task per interface
* @work: work queue item
*
- * Emits broadcast ELP message in regular intervals.
+ * Emits broadcast ELP messages in regular intervals.
*/
static void batadv_v_elp_periodic_work(struct work_struct *work)
{
@@ -499,7 +499,7 @@ orig_free:
* @skb: the received packet
* @if_incoming: the interface this packet was received through
*
- * Return: NET_RX_SUCCESS and consumes the skb if the packet was peoperly
+ * Return: NET_RX_SUCCESS and consumes the skb if the packet was properly
* processed or NET_RX_DROP in case of failure.
*/
int batadv_v_elp_packet_recv(struct sk_buff *skb,
diff --git a/net/batman-adv/bat_v_ogm.c b/net/batman-adv/bat_v_ogm.c
index 18028b9f95f0..0f8495b9eeb1 100644
--- a/net/batman-adv/bat_v_ogm.c
+++ b/net/batman-adv/bat_v_ogm.c
@@ -47,9 +47,9 @@
* @bat_priv: the bat priv with all the soft interface information
* @addr: the address of the originator
*
- * Return: the orig_node corresponding to the specified address. If such object
- * does not exist it is allocated here. In case of allocation failure returns
- * NULL.
+ * Return: the orig_node corresponding to the specified address. If such an
+ * object does not exist, it is allocated here. In case of allocation failure
+ * returns NULL.
*/
struct batadv_orig_node *batadv_v_ogm_orig_get(struct batadv_priv *bat_priv,
const u8 *addr)
@@ -172,7 +172,7 @@ static bool batadv_v_ogm_queue_left(struct sk_buff *skb,
* batadv_v_ogm_aggr_list_free - free all elements in an aggregation queue
* @hard_iface: the interface holding the aggregation queue
*
- * Empties the OGMv2 aggregation queue and frees all the skbs it contained.
+ * Empties the OGMv2 aggregation queue and frees all the skbs it contains.
*
* Caller needs to hold the hard_iface->bat_v.aggr_list.lock.
*/
@@ -378,7 +378,7 @@ static void batadv_v_ogm_send(struct work_struct *work)
* batadv_v_ogm_aggr_work() - OGM queue periodic task per interface
* @work: work queue item
*
- * Emits aggregated OGM message in regular intervals.
+ * Emits aggregated OGM messages in regular intervals.
*/
void batadv_v_ogm_aggr_work(struct work_struct *work)
{
@@ -399,7 +399,7 @@ void batadv_v_ogm_aggr_work(struct work_struct *work)
* batadv_v_ogm_iface_enable() - prepare an interface for B.A.T.M.A.N. V
* @hard_iface: the interface to prepare
*
- * Takes care of scheduling own OGM sending routine for this interface.
+ * Takes care of scheduling its own OGM sending routine for this interface.
*
* Return: 0 on success or a negative error code otherwise
*/
@@ -455,15 +455,17 @@ unlock:
* @throughput: the current throughput
*
* Apply a penalty on the current throughput metric value based on the
- * characteristic of the interface where the OGM has been received. The return
- * value is computed as follows:
+ * characteristic of the interface where the OGM has been received.
+ *
+ * Initially the per hardif hop penalty is applied to the throughput. After
+ * that the return value is then computed as follows:
* - throughput * 50% if the incoming and outgoing interface are the
* same WiFi interface and the throughput is above
* 1MBit/s
* - throughput if the outgoing interface is the default
* interface (i.e. this OGM is processed for the
* internal table and not forwarded)
- * - throughput * hop penalty otherwise
+ * - throughput * node hop penalty otherwise
*
* Return: the penalised throughput metric.
*/
@@ -472,9 +474,14 @@ static u32 batadv_v_forward_penalty(struct batadv_priv *bat_priv,
struct batadv_hard_iface *if_outgoing,
u32 throughput)
{
+ int if_hop_penalty = atomic_read(&if_incoming->hop_penalty);
int hop_penalty = atomic_read(&bat_priv->hop_penalty);
int hop_penalty_max = BATADV_TQ_MAX_VALUE;
+ /* Apply per hardif hop penalty */
+ throughput = throughput * (hop_penalty_max - if_hop_penalty) /
+ hop_penalty_max;
+
/* Don't apply hop penalty in default originator table. */
if (if_outgoing == BATADV_IF_DEFAULT)
return throughput;
@@ -847,7 +854,7 @@ batadv_v_ogm_aggr_packet(int buff_pos, int packet_len,
* batadv_v_ogm_process() - process an incoming batman v OGM
* @skb: the skb containing the OGM
* @ogm_offset: offset to the OGM which should be processed (for aggregates)
- * @if_incoming: the interface where this packet was receved
+ * @if_incoming: the interface where this packet was received
*/
static void batadv_v_ogm_process(const struct sk_buff *skb, int ogm_offset,
struct batadv_hard_iface *if_incoming)
diff --git a/net/batman-adv/bridge_loop_avoidance.c b/net/batman-adv/bridge_loop_avoidance.c
index 41cc87f06b14..91a04ca373dc 100644
--- a/net/batman-adv/bridge_loop_avoidance.c
+++ b/net/batman-adv/bridge_loop_avoidance.c
@@ -992,7 +992,7 @@ static bool batadv_handle_claim(struct batadv_priv *bat_priv,
* @hw_dst: the Hardware destination in the ARP Header
* @ethhdr: pointer to the Ethernet header of the claim frame
*
- * checks if it is a claim packet and if its on the same group.
+ * checks if it is a claim packet and if it's on the same group.
* This function also applies the group ID of the sender
* if it is in the same mesh.
*
@@ -1757,7 +1757,7 @@ void batadv_bla_free(struct batadv_priv *bat_priv)
* @vid: the VLAN ID of the frame
*
* Checks if this packet is a loop detect frame which has been sent by us,
- * throw an uevent and log the event if that is the case.
+ * throws an uevent and logs the event if that is the case.
*
* Return: true if it is a loop detect frame which is to be dropped, false
* otherwise.
@@ -1815,7 +1815,7 @@ batadv_bla_loopdetect_check(struct batadv_priv *bat_priv, struct sk_buff *skb,
* * we have to race for a claim
* * if the frame is allowed on the LAN
*
- * in these cases, the skb is further handled by this function
+ * In these cases, the skb is further handled by this function
*
* Return: true if handled, otherwise it returns false and the caller shall
* further process the skb.
diff --git a/net/batman-adv/distributed-arp-table.c b/net/batman-adv/distributed-arp-table.c
index b85da4b7a77b..0e6e53e9b5f3 100644
--- a/net/batman-adv/distributed-arp-table.c
+++ b/net/batman-adv/distributed-arp-table.c
@@ -666,7 +666,7 @@ batadv_dat_select_candidates(struct batadv_priv *bat_priv, __be32 ip_dst,
* @vid: VLAN identifier
* @packet_subtype: unicast4addr packet subtype to use
*
- * This function copies the skb with pskb_copy() and is sent as unicast packet
+ * This function copies the skb with pskb_copy() and is sent as a unicast packet
* to each of the selected candidates.
*
* Return: true if the packet is sent to at least one candidate, false
diff --git a/net/batman-adv/fragmentation.c b/net/batman-adv/fragmentation.c
index 7cad97644d05..9fdbe3068153 100644
--- a/net/batman-adv/fragmentation.c
+++ b/net/batman-adv/fragmentation.c
@@ -102,8 +102,8 @@ static int batadv_frag_size_limit(void)
*
* Caller must hold chain->lock.
*
- * Return: true if chain is empty and caller can just insert the new fragment
- * without searching for the right position.
+ * Return: true if chain is empty and the caller can just insert the new
+ * fragment without searching for the right position.
*/
static bool batadv_frag_init_chain(struct batadv_frag_table_entry *chain,
u16 seqno)
@@ -306,7 +306,7 @@ free:
* set *skb to merged packet; 2) Packet is buffered: Return true and set *skb
* to NULL; 3) Error: Return false and free skb.
*
- * Return: true when packet is merged or buffered, false when skb is not not
+ * Return: true when the packet is merged or buffered, false when skb is not not
* used.
*/
bool batadv_frag_skb_buffer(struct sk_buff **skb,
diff --git a/net/batman-adv/hard-interface.c b/net/batman-adv/hard-interface.c
index 3a256af92784..fa06b51c0144 100644
--- a/net/batman-adv/hard-interface.c
+++ b/net/batman-adv/hard-interface.c
@@ -138,10 +138,10 @@ static bool batadv_mutual_parents(const struct net_device *dev1,
* @net_dev: the device to check
*
* If the user creates any virtual device on top of a batman-adv interface, it
- * is important to prevent this new interface to be used to create a new mesh
- * network (this behaviour would lead to a batman-over-batman configuration).
- * This function recursively checks all the fathers of the device passed as
- * argument looking for a batman-adv soft interface.
+ * is important to prevent this new interface from being used to create a new
+ * mesh network (this behaviour would lead to a batman-over-batman
+ * configuration). This function recursively checks all the fathers of the
+ * device passed as argument looking for a batman-adv soft interface.
*
* Return: true if the device is descendant of a batman-adv mesh interface (or
* if it is a batman-adv interface itself), false otherwise
@@ -680,8 +680,8 @@ batadv_hardif_deactivate_interface(struct batadv_hard_iface *hard_iface)
* @slave: the interface enslaved in another master
* @master: the master from which slave has to be removed
*
- * Invoke ndo_del_slave on master passing slave as argument. In this way slave
- * is free'd and master can correctly change its internal state.
+ * Invoke ndo_del_slave on master passing slave as argument. In this way the
+ * slave is free'd and the master can correctly change its internal state.
*
* Return: 0 on success, a negative value representing the error otherwise
*/
@@ -818,7 +818,7 @@ err:
* @soft_iface: soft interface to check
*
* This function is only using RCU for locking - the result can therefore be
- * off when another functions is modifying the list at the same time. The
+ * off when another function is modifying the list at the same time. The
* caller can use the rtnl_lock to make sure that the count is accurate.
*
* Return: number of connected/enslaved hard interfaces
@@ -939,6 +939,8 @@ batadv_hardif_add_interface(struct net_device *net_dev)
if (batadv_is_wifi_hardif(hard_iface))
hard_iface->num_bcasts = BATADV_NUM_BCASTS_WIRELESS;
+ atomic_set(&hard_iface->hop_penalty, 0);
+
batadv_v_hardif_init(hard_iface);
batadv_check_known_mac_addr(hard_iface->net_dev);
diff --git a/net/batman-adv/log.h b/net/batman-adv/log.h
index f9884dc56cf3..979864c0fa6b 100644
--- a/net/batman-adv/log.h
+++ b/net/batman-adv/log.h
@@ -69,7 +69,7 @@ int batadv_debug_log(struct batadv_priv *bat_priv, const char *fmt, ...)
__printf(2, 3);
/**
- * _batadv_dbg() - Store debug output with(out) ratelimiting
+ * _batadv_dbg() - Store debug output with(out) rate limiting
* @type: type of debug message
* @bat_priv: the bat priv with all the soft interface information
* @ratelimited: whether output should be rate limited
@@ -95,7 +95,7 @@ static inline void _batadv_dbg(int type __always_unused,
#endif
/**
- * batadv_dbg() - Store debug output without ratelimiting
+ * batadv_dbg() - Store debug output without rate limiting
* @type: type of debug message
* @bat_priv: the bat priv with all the soft interface information
* @arg: format string and variable arguments
@@ -104,7 +104,7 @@ static inline void _batadv_dbg(int type __always_unused,
_batadv_dbg(type, bat_priv, 0, ## arg)
/**
- * batadv_dbg_ratelimited() - Store debug output with ratelimiting
+ * batadv_dbg_ratelimited() - Store debug output with rate limiting
* @type: type of debug message
* @bat_priv: the bat priv with all the soft interface information
* @arg: format string and variable arguments
diff --git a/net/batman-adv/main.c b/net/batman-adv/main.c
index d8a255c85e77..519c08c2cfba 100644
--- a/net/batman-adv/main.c
+++ b/net/batman-adv/main.c
@@ -666,7 +666,7 @@ unsigned short batadv_get_vid(struct sk_buff *skb, size_t header_len)
* @vid: the VLAN identifier for which the AP isolation attributed as to be
* looked up
*
- * Return: true if AP isolation is on for the VLAN idenfied by vid, false
+ * Return: true if AP isolation is on for the VLAN identified by vid, false
* otherwise
*/
bool batadv_vlan_ap_isola_get(struct batadv_priv *bat_priv, unsigned short vid)
diff --git a/net/batman-adv/main.h b/net/batman-adv/main.h
index 61d8dbe8c954..0393bb9ed3d0 100644
--- a/net/batman-adv/main.h
+++ b/net/batman-adv/main.h
@@ -13,7 +13,7 @@
#define BATADV_DRIVER_DEVICE "batman-adv"
#ifndef BATADV_SOURCE_VERSION
-#define BATADV_SOURCE_VERSION "2020.2"
+#define BATADV_SOURCE_VERSION "2020.3"
#endif
/* B.A.T.M.A.N. parameters */
@@ -308,7 +308,7 @@ static inline bool batadv_has_timed_out(unsigned long timestamp,
* @y: value to compare @x against
*
* It handles overflows/underflows and can correctly check for a predecessor
- * unless the variable sequence number has grown by more then
+ * unless the variable sequence number has grown by more than
* 2**(bitwidth(x)-1)-1.
*
* This means that for a u8 with the maximum value 255, it would think:
@@ -330,11 +330,11 @@ static inline bool batadv_has_timed_out(unsigned long timestamp,
/**
* batadv_seq_after() - Checks if a sequence number x is a successor of y
- * @x: potential sucessor of @y
+ * @x: potential successor of @y
* @y: value to compare @x against
*
* It handles overflows/underflows and can correctly check for a successor
- * unless the variable sequence number has grown by more then
+ * unless the variable sequence number has grown by more than
* 2**(bitwidth(x)-1)-1.
*
* This means that for a u8 with the maximum value 255, it would think:
diff --git a/net/batman-adv/multicast.c b/net/batman-adv/multicast.c
index 9ebdc1e864b9..bdc4a1fba1c6 100644
--- a/net/batman-adv/multicast.c
+++ b/net/batman-adv/multicast.c
@@ -510,7 +510,7 @@ batadv_mcast_mla_softif_get_ipv6(struct net_device *dev,
* the given mcast_list. In general, multicast listeners provided by
* your multicast receiving applications run directly on this node.
*
- * If there is a bridge interface on top of dev, collects from that one
+ * If there is a bridge interface on top of dev, collect from that one
* instead. Just like with IP addresses and routes, multicast listeners
* will(/should) register to the bridge interface instead of an
* enslaved bat0.
@@ -832,8 +832,8 @@ batadv_mcast_bridge_log(struct batadv_priv *bat_priv,
* @bat_priv: the bat priv with all the soft interface information
* @flags: TVLV flags indicating the new multicast state
*
- * Whenever the multicast TVLV flags this nodes announces change this notifies
- * userspace via the 'mcast' log level.
+ * Whenever the multicast TVLV flags this node announces change, this function
+ * should be used to notify userspace about the change.
*/
static void batadv_mcast_flags_log(struct batadv_priv *bat_priv, u8 flags)
{
@@ -1244,7 +1244,7 @@ batadv_mcast_forw_ipv6_node_get(struct batadv_priv *bat_priv)
* @ethhdr: an ethernet header to determine the protocol family from
*
* Return: an orig_node which has the BATADV_MCAST_WANT_ALL_IPV4 or
- * BATADV_MCAST_WANT_ALL_IPV6 flag, depending on the provided ethhdr, set and
+ * BATADV_MCAST_WANT_ALL_IPV6 flag, depending on the provided ethhdr, sets and
* increases its refcount.
*/
static struct batadv_orig_node *
@@ -1693,7 +1693,7 @@ batadv_mcast_forw_want_rtr(struct batadv_priv *bat_priv,
}
/**
- * batadv_mcast_forw_send() - send packet to any detected multicast recpient
+ * batadv_mcast_forw_send() - send packet to any detected multicast recipient
* @bat_priv: the bat priv with all the soft interface information
* @skb: the multicast packet to transmit
* @vid: the vlan identifier
@@ -1742,7 +1742,8 @@ int batadv_mcast_forw_send(struct batadv_priv *bat_priv, struct sk_buff *skb,
* @mcast_flags: flags indicating the new multicast state
*
* If the BATADV_MCAST_WANT_ALL_UNSNOOPABLES flag of this originator,
- * orig, has toggled then this method updates counter and list accordingly.
+ * orig, has toggled then this method updates the counter and the list
+ * accordingly.
*
* Caller needs to hold orig->mcast_handler_lock.
*/
@@ -1787,7 +1788,7 @@ static void batadv_mcast_want_unsnoop_update(struct batadv_priv *bat_priv,
* @mcast_flags: flags indicating the new multicast state
*
* If the BATADV_MCAST_WANT_ALL_IPV4 flag of this originator, orig, has
- * toggled then this method updates counter and list accordingly.
+ * toggled then this method updates the counter and the list accordingly.
*
* Caller needs to hold orig->mcast_handler_lock.
*/
@@ -1832,7 +1833,7 @@ static void batadv_mcast_want_ipv4_update(struct batadv_priv *bat_priv,
* @mcast_flags: flags indicating the new multicast state
*
* If the BATADV_MCAST_WANT_ALL_IPV6 flag of this originator, orig, has
- * toggled then this method updates counter and list accordingly.
+ * toggled then this method updates the counter and the list accordingly.
*
* Caller needs to hold orig->mcast_handler_lock.
*/
@@ -1877,7 +1878,7 @@ static void batadv_mcast_want_ipv6_update(struct batadv_priv *bat_priv,
* @mcast_flags: flags indicating the new multicast state
*
* If the BATADV_MCAST_WANT_NO_RTR4 flag of this originator, orig, has
- * toggled then this method updates counter and list accordingly.
+ * toggled then this method updates the counter and the list accordingly.
*
* Caller needs to hold orig->mcast_handler_lock.
*/
@@ -1922,7 +1923,7 @@ static void batadv_mcast_want_rtr4_update(struct batadv_priv *bat_priv,
* @mcast_flags: flags indicating the new multicast state
*
* If the BATADV_MCAST_WANT_NO_RTR6 flag of this originator, orig, has
- * toggled then this method updates counter and list accordingly.
+ * toggled then this method updates the counter and the list accordingly.
*
* Caller needs to hold orig->mcast_handler_lock.
*/
diff --git a/net/batman-adv/netlink.c b/net/batman-adv/netlink.c
index 02ed073f95a9..dc193618a761 100644
--- a/net/batman-adv/netlink.c
+++ b/net/batman-adv/netlink.c
@@ -640,7 +640,7 @@ batadv_netlink_tp_meter_put(struct sk_buff *msg, u32 cookie)
* @bat_priv: the bat priv with all the soft interface information
* @dst: destination of tp_meter session
* @result: reason for tp meter session stop
- * @test_time: total time ot the tp_meter session
+ * @test_time: total time of the tp_meter session
* @total_bytes: bytes acked to the receiver
* @cookie: cookie of tp_meter session
*
@@ -826,6 +826,10 @@ static int batadv_netlink_hardif_fill(struct sk_buff *msg,
goto nla_put_failure;
}
+ if (nla_put_u8(msg, BATADV_ATTR_HOP_PENALTY,
+ atomic_read(&hard_iface->hop_penalty)))
+ goto nla_put_failure;
+
#ifdef CONFIG_BATMAN_ADV_BATMAN_V
if (nla_put_u32(msg, BATADV_ATTR_ELP_INTERVAL,
atomic_read(&hard_iface->bat_v.elp_interval)))
@@ -920,9 +924,15 @@ static int batadv_netlink_set_hardif(struct sk_buff *skb,
{
struct batadv_hard_iface *hard_iface = info->user_ptr[1];
struct batadv_priv *bat_priv = info->user_ptr[0];
+ struct nlattr *attr;
+
+ if (info->attrs[BATADV_ATTR_HOP_PENALTY]) {
+ attr = info->attrs[BATADV_ATTR_HOP_PENALTY];
+
+ atomic_set(&hard_iface->hop_penalty, nla_get_u8(attr));
+ }
#ifdef CONFIG_BATMAN_ADV_BATMAN_V
- struct nlattr *attr;
if (info->attrs[BATADV_ATTR_ELP_INTERVAL]) {
attr = info->attrs[BATADV_ATTR_ELP_INTERVAL];
diff --git a/net/batman-adv/network-coding.c b/net/batman-adv/network-coding.c
index b0469d15da0e..48d707850f3e 100644
--- a/net/batman-adv/network-coding.c
+++ b/net/batman-adv/network-coding.c
@@ -134,7 +134,7 @@ static void batadv_nc_tvlv_ogm_handler_v1(struct batadv_priv *bat_priv,
}
/**
- * batadv_nc_mesh_init() - initialise coding hash table and start house keeping
+ * batadv_nc_mesh_init() - initialise coding hash table and start housekeeping
* @bat_priv: the bat priv with all the soft interface information
*
* Return: 0 on success or negative error number in case of failure
@@ -700,7 +700,7 @@ batadv_nc_process_nc_paths(struct batadv_priv *bat_priv,
}
/**
- * batadv_nc_worker() - periodic task for house keeping related to network
+ * batadv_nc_worker() - periodic task for housekeeping related to network
* coding
* @work: kernel work struct
*/
@@ -1316,7 +1316,7 @@ batadv_nc_path_search(struct batadv_priv *bat_priv,
}
/**
- * batadv_nc_skb_src_search() - Loops through the list of neighoring nodes of
+ * batadv_nc_skb_src_search() - Loops through the list of neighboring nodes of
* the skb's sender (may be equal to the originator).
* @bat_priv: the bat priv with all the soft interface information
* @skb: data skb to forward
@@ -1402,10 +1402,10 @@ static void batadv_nc_skb_store_before_coding(struct batadv_priv *bat_priv,
* @neigh_node: next hop to forward packet to
* @ethhdr: pointer to the ethernet header inside the skb
*
- * Loops through list of neighboring nodes the next hop has a good connection to
- * (receives OGMs with a sufficient quality). We need to find a neighbor of our
- * next hop that potentially sent a packet which our next hop also received
- * (overheard) and has stored for later decoding.
+ * Loops through the list of neighboring nodes the next hop has a good
+ * connection to (receives OGMs with a sufficient quality). We need to find a
+ * neighbor of our next hop that potentially sent a packet which our next hop
+ * also received (overheard) and has stored for later decoding.
*
* Return: true if the skb was consumed (encoded packet sent) or false otherwise
*/
diff --git a/net/batman-adv/originator.c b/net/batman-adv/originator.c
index 5b0c2fffc214..805d8969bdfb 100644
--- a/net/batman-adv/originator.c
+++ b/net/batman-adv/originator.c
@@ -325,7 +325,7 @@ void batadv_neigh_node_put(struct batadv_neigh_node *neigh_node)
* @if_outgoing: the interface where the payload packet has been received or
* the OGM should be sent to
*
- * Return: the neighbor which should be router for this orig_node/iface.
+ * Return: the neighbor which should be the router for this orig_node/iface.
*
* The object is returned with refcounter increased by 1.
*/
@@ -515,7 +515,7 @@ out:
* Looks for and possibly returns a neighbour belonging to this originator list
* which is connected through the provided hard interface.
*
- * Return: neighbor when found. Othwerwise NULL
+ * Return: neighbor when found. Otherwise NULL
*/
static struct batadv_neigh_node *
batadv_neigh_node_get(const struct batadv_orig_node *orig_node,
@@ -620,7 +620,7 @@ batadv_hardif_neigh_get_or_create(struct batadv_hard_iface *hard_iface,
*
* Looks for and possibly returns a neighbour belonging to this hard interface.
*
- * Return: neighbor when found. Othwerwise NULL
+ * Return: neighbor when found. Otherwise NULL
*/
struct batadv_hardif_neigh_node *
batadv_hardif_neigh_get(const struct batadv_hard_iface *hard_iface,
@@ -999,7 +999,7 @@ void batadv_originator_free(struct batadv_priv *bat_priv)
* @bat_priv: the bat priv with all the soft interface information
* @addr: the mac address of the originator
*
- * Creates a new originator object and initialise all the generic fields.
+ * Creates a new originator object and initialises all the generic fields.
* The new object is not added to the originator list.
*
* Return: the newly created object or NULL on failure.
diff --git a/net/batman-adv/routing.c b/net/batman-adv/routing.c
index d343382e9664..27cdf5e4349a 100644
--- a/net/batman-adv/routing.c
+++ b/net/batman-adv/routing.c
@@ -449,7 +449,7 @@ free_skb:
* @skb: packet to check
* @hdr_size: size of header to pull
*
- * Check for short header and bad addresses in given packet.
+ * Checks for short header and bad addresses in the given packet.
*
* Return: negative value when check fails and 0 otherwise. The negative value
* depends on the reason: -ENODATA for bad header, -EBADR for broadcast
@@ -1113,7 +1113,7 @@ free_skb:
* @recv_if: interface that the skb is received on
*
* This function does one of the three following things: 1) Forward fragment, if
- * the assembled packet will exceed our MTU; 2) Buffer fragment, if we till
+ * the assembled packet will exceed our MTU; 2) Buffer fragment, if we still
* lack further fragments; 3) Merge fragments, if we have all needed parts.
*
* Return: NET_RX_DROP if the skb is not consumed, NET_RX_SUCCESS otherwise.
diff --git a/net/batman-adv/send.c b/net/batman-adv/send.c
index 7f8ade04e08e..d267b94800d6 100644
--- a/net/batman-adv/send.c
+++ b/net/batman-adv/send.c
@@ -605,8 +605,8 @@ bool batadv_forw_packet_steal(struct batadv_forw_packet *forw_packet,
* given hard_iface. If hard_iface is NULL forwarding packets on all hard
* interfaces will be claimed.
*
- * The packets are being moved from the forw_list to the cleanup_list and
- * by that allows already running threads to notice the claiming.
+ * The packets are being moved from the forw_list to the cleanup_list. This
+ * makes it possible for already running threads to notice the claim.
*/
static void
batadv_forw_packet_list_steal(struct hlist_head *forw_list,
diff --git a/net/batman-adv/soft-interface.c b/net/batman-adv/soft-interface.c
index f1f1c86f3419..23833a0ba5e6 100644
--- a/net/batman-adv/soft-interface.c
+++ b/net/batman-adv/soft-interface.c
@@ -406,7 +406,7 @@ end:
* @hdr_size: size of already parsed batman-adv header
* @orig_node: originator from which the batman-adv packet was sent
*
- * Sends a ethernet frame to the receive path of the local @soft_iface.
+ * Sends an ethernet frame to the receive path of the local @soft_iface.
* skb->data has still point to the batman-adv header with the size @hdr_size.
* The caller has to have parsed this header already and made sure that at least
* @hdr_size bytes are still available for pull in @skb.
diff --git a/net/batman-adv/tp_meter.c b/net/batman-adv/tp_meter.c
index bd2ac570c42c..db7e3774825b 100644
--- a/net/batman-adv/tp_meter.c
+++ b/net/batman-adv/tp_meter.c
@@ -66,7 +66,7 @@
/**
* BATADV_TP_MAX_RTO - Maximum sender timeout. If the sender RTO gets beyond
- * such amound of milliseconds, the receiver is considered unreachable and the
+ * such amount of milliseconds, the receiver is considered unreachable and the
* connection is killed
*/
#define BATADV_TP_MAX_RTO 30000
@@ -108,10 +108,10 @@ static u32 batadv_tp_session_cookie(const u8 session[2], u8 icmp_uid)
* batadv_tp_cwnd() - compute the new cwnd size
* @base: base cwnd size value
* @increment: the value to add to base to get the new size
- * @min: minumim cwnd value (usually MSS)
+ * @min: minimum cwnd value (usually MSS)
*
- * Return the new cwnd size and ensures it does not exceed the Advertised
- * Receiver Window size. It is wrap around safe.
+ * Return the new cwnd size and ensure it does not exceed the Advertised
+ * Receiver Window size. It is wrapped around safely.
* For details refer to Section 3.1 of RFC5681
*
* Return: new congestion window size in bytes
@@ -254,7 +254,7 @@ static void batadv_tp_batctl_error_notify(enum batadv_tp_meter_reason reason,
* @dst: the other endpoint MAC address to look for
*
* Look for a tp_vars object matching dst as end_point and return it after
- * having incremented the refcounter. Return NULL is not found
+ * having increment the refcounter. Return NULL is not found
*
* Return: matching tp_vars or NULL when no tp_vars with @dst was found
*/
@@ -291,7 +291,7 @@ static struct batadv_tp_vars *batadv_tp_list_find(struct batadv_priv *bat_priv,
* @session: session identifier
*
* Look for a tp_vars object matching dst as end_point, session as tp meter
- * session and return it after having incremented the refcounter. Return NULL
+ * session and return it after having increment the refcounter. Return NULL
* is not found
*
* Return: matching tp_vars or NULL when no tp_vars was found
diff --git a/net/batman-adv/translation-table.c b/net/batman-adv/translation-table.c
index a9635c882fe0..98a0aaaf0d50 100644
--- a/net/batman-adv/translation-table.c
+++ b/net/batman-adv/translation-table.c
@@ -301,7 +301,7 @@ void batadv_tt_global_entry_put(struct batadv_tt_global_entry *tt_global_entry)
* @vid: VLAN identifier
*
* Return: the number of originators advertising the given address/data
- * (excluding ourself).
+ * (excluding our self).
*/
int batadv_tt_global_hash_count(struct batadv_priv *bat_priv,
const u8 *addr, unsigned short vid)
@@ -842,7 +842,7 @@ out:
* table. In case of success the value is updated with the real amount of
* reserved bytes
* Allocate the needed amount of memory for the entire TT TVLV and write its
- * header made up by one tvlv_tt_data object and a series of tvlv_tt_vlan_data
+ * header made up of one tvlv_tt_data object and a series of tvlv_tt_vlan_data
* objects, one per active VLAN served by the originator node.
*
* Return: the size of the allocated buffer or 0 in case of failure.
@@ -1674,7 +1674,7 @@ out:
* the function argument.
* If a TT local entry exists for this non-mesh client remove it.
*
- * The caller must hold orig_node refcount.
+ * The caller must hold the orig_node refcount.
*
* Return: true if the new entry has been added, false otherwise
*/
@@ -1839,7 +1839,7 @@ out:
* @bat_priv: the bat priv with all the soft interface information
* @tt_global_entry: global translation table entry to be analyzed
*
- * This functon assumes the caller holds rcu_read_lock().
+ * This function assumes the caller holds rcu_read_lock().
* Return: best originator list entry or NULL on errors.
*/
static struct batadv_tt_orig_list_entry *
@@ -1887,7 +1887,7 @@ batadv_transtable_best_orig(struct batadv_priv *bat_priv,
* @tt_global_entry: global translation table entry to be printed
* @seq: debugfs table seq_file struct
*
- * This functon assumes the caller holds rcu_read_lock().
+ * This function assumes the caller holds rcu_read_lock().
*/
static void
batadv_tt_global_print_entry(struct batadv_priv *bat_priv,
diff --git a/net/batman-adv/tvlv.c b/net/batman-adv/tvlv.c
index 0963a43ad996..6a23a566cde1 100644
--- a/net/batman-adv/tvlv.c
+++ b/net/batman-adv/tvlv.c
@@ -353,8 +353,8 @@ end:
* @tvlv_value: tvlv content
* @tvlv_value_len: tvlv content length
*
- * Return: success if handler was not found or the return value of the handler
- * callback.
+ * Return: success if the handler was not found or the return value of the
+ * handler callback.
*/
static int batadv_tvlv_call_handler(struct batadv_priv *bat_priv,
struct batadv_tvlv_handler *tvlv_handler,
diff --git a/net/batman-adv/types.h b/net/batman-adv/types.h
index d152b8e81f61..ed519efa3c36 100644
--- a/net/batman-adv/types.h
+++ b/net/batman-adv/types.h
@@ -208,6 +208,12 @@ struct batadv_hard_iface {
/** @rcu: struct used for freeing in an RCU-safe manner */
struct rcu_head rcu;
+ /**
+ * @hop_penalty: penalty which will be applied to the tq-field
+ * of an OGM received via this interface
+ */
+ atomic_t hop_penalty;
+
/** @bat_iv: per hard-interface B.A.T.M.A.N. IV data */
struct batadv_hard_iface_bat_iv bat_iv;
@@ -455,8 +461,8 @@ struct batadv_orig_node {
spinlock_t tt_buff_lock;
/**
- * @tt_lock: prevents from updating the table while reading it. Table
- * update is made up by two operations (data structure update and
+ * @tt_lock: avoids concurrent read from and write to the table. Table
+ * update is made up of two operations (data structure update and
* metadata -CRC/TTVN-recalculation) and they have to be executed
* atomically in order to avoid another thread to read the
* table/metadata between those.
@@ -748,7 +754,7 @@ struct batadv_neigh_ifinfo {
* struct batadv_bcast_duplist_entry - structure for LAN broadcast suppression
*/
struct batadv_bcast_duplist_entry {
- /** @orig: mac address of orig node orginating the broadcast */
+ /** @orig: mac address of orig node originating the broadcast */
u8 orig[ETH_ALEN];
/** @crc: crc32 checksum of broadcast payload */
@@ -1010,7 +1016,7 @@ struct batadv_priv_tt {
/**
* @commit_lock: prevents from executing a local TT commit while reading
- * the local table. The local TT commit is made up by two operations
+ * the local table. The local TT commit is made up of two operations
* (data structure update and metadata -CRC/TTVN- recalculation) and
* they have to be executed atomically in order to avoid another thread
* to read the table/metadata between those.
@@ -1024,7 +1030,7 @@ struct batadv_priv_tt {
#ifdef CONFIG_BATMAN_ADV_BLA
/**
- * struct batadv_priv_bla - per mesh interface bridge loope avoidance data
+ * struct batadv_priv_bla - per mesh interface bridge loop avoidance data
*/
struct batadv_priv_bla {
/** @num_requests: number of bla requests in flight */
@@ -1718,7 +1724,7 @@ struct batadv_priv {
spinlock_t softif_vlan_list_lock;
#ifdef CONFIG_BATMAN_ADV_BLA
- /** @bla: bridge loope avoidance data */
+ /** @bla: bridge loop avoidance data */
struct batadv_priv_bla bla;
#endif
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.