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-rw-r--r--net/batman-adv/distributed-arp-table.c80
1 files changed, 41 insertions, 39 deletions
diff --git a/net/batman-adv/distributed-arp-table.c b/net/batman-adv/distributed-arp-table.c
index 760c0de72582..9703c791ffc5 100644
--- a/net/batman-adv/distributed-arp-table.c
+++ b/net/batman-adv/distributed-arp-table.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/* Copyright (C) 2011-2017 B.A.T.M.A.N. contributors:
*
* Antonio Quartulli
@@ -23,7 +24,7 @@
#include <linux/byteorder/generic.h>
#include <linux/errno.h>
#include <linux/etherdevice.h>
-#include <linux/fs.h>
+#include <linux/gfp.h>
#include <linux/if_arp.h>
#include <linux/if_ether.h>
#include <linux/if_vlan.h>
@@ -55,7 +56,7 @@
static void batadv_dat_purge(struct work_struct *work);
/**
- * batadv_dat_start_timer - initialise the DAT periodic worker
+ * batadv_dat_start_timer() - initialise the DAT periodic worker
* @bat_priv: the bat priv with all the soft interface information
*/
static void batadv_dat_start_timer(struct batadv_priv *bat_priv)
@@ -66,7 +67,7 @@ static void batadv_dat_start_timer(struct batadv_priv *bat_priv)
}
/**
- * batadv_dat_entry_release - release dat_entry from lists and queue for free
+ * batadv_dat_entry_release() - release dat_entry from lists and queue for free
* after rcu grace period
* @ref: kref pointer of the dat_entry
*/
@@ -80,7 +81,7 @@ static void batadv_dat_entry_release(struct kref *ref)
}
/**
- * batadv_dat_entry_put - decrement the dat_entry refcounter and possibly
+ * batadv_dat_entry_put() - decrement the dat_entry refcounter and possibly
* release it
* @dat_entry: dat_entry to be free'd
*/
@@ -90,7 +91,7 @@ static void batadv_dat_entry_put(struct batadv_dat_entry *dat_entry)
}
/**
- * batadv_dat_to_purge - check whether a dat_entry has to be purged or not
+ * batadv_dat_to_purge() - check whether a dat_entry has to be purged or not
* @dat_entry: the entry to check
*
* Return: true if the entry has to be purged now, false otherwise.
@@ -102,7 +103,7 @@ static bool batadv_dat_to_purge(struct batadv_dat_entry *dat_entry)
}
/**
- * __batadv_dat_purge - delete entries from the DAT local storage
+ * __batadv_dat_purge() - delete entries from the DAT local storage
* @bat_priv: the bat priv with all the soft interface information
* @to_purge: function in charge to decide whether an entry has to be purged or
* not. This function takes the dat_entry as argument and has to
@@ -145,8 +146,8 @@ static void __batadv_dat_purge(struct batadv_priv *bat_priv,
}
/**
- * batadv_dat_purge - periodic task that deletes old entries from the local DAT
- * hash table
+ * batadv_dat_purge() - periodic task that deletes old entries from the local
+ * DAT hash table
* @work: kernel work struct
*/
static void batadv_dat_purge(struct work_struct *work)
@@ -164,7 +165,7 @@ static void batadv_dat_purge(struct work_struct *work)
}
/**
- * batadv_compare_dat - comparing function used in the local DAT hash table
+ * batadv_compare_dat() - comparing function used in the local DAT hash table
* @node: node in the local table
* @data2: second object to compare the node to
*
@@ -179,7 +180,7 @@ static bool batadv_compare_dat(const struct hlist_node *node, const void *data2)
}
/**
- * batadv_arp_hw_src - extract the hw_src field from an ARP packet
+ * batadv_arp_hw_src() - extract the hw_src field from an ARP packet
* @skb: ARP packet
* @hdr_size: size of the possible header before the ARP packet
*
@@ -196,7 +197,7 @@ static u8 *batadv_arp_hw_src(struct sk_buff *skb, int hdr_size)
}
/**
- * batadv_arp_ip_src - extract the ip_src field from an ARP packet
+ * batadv_arp_ip_src() - extract the ip_src field from an ARP packet
* @skb: ARP packet
* @hdr_size: size of the possible header before the ARP packet
*
@@ -208,7 +209,7 @@ static __be32 batadv_arp_ip_src(struct sk_buff *skb, int hdr_size)
}
/**
- * batadv_arp_hw_dst - extract the hw_dst field from an ARP packet
+ * batadv_arp_hw_dst() - extract the hw_dst field from an ARP packet
* @skb: ARP packet
* @hdr_size: size of the possible header before the ARP packet
*
@@ -220,7 +221,7 @@ static u8 *batadv_arp_hw_dst(struct sk_buff *skb, int hdr_size)
}
/**
- * batadv_arp_ip_dst - extract the ip_dst field from an ARP packet
+ * batadv_arp_ip_dst() - extract the ip_dst field from an ARP packet
* @skb: ARP packet
* @hdr_size: size of the possible header before the ARP packet
*
@@ -232,7 +233,7 @@ static __be32 batadv_arp_ip_dst(struct sk_buff *skb, int hdr_size)
}
/**
- * batadv_hash_dat - compute the hash value for an IP address
+ * batadv_hash_dat() - compute the hash value for an IP address
* @data: data to hash
* @size: size of the hash table
*
@@ -267,7 +268,7 @@ static u32 batadv_hash_dat(const void *data, u32 size)
}
/**
- * batadv_dat_entry_hash_find - look for a given dat_entry in the local hash
+ * batadv_dat_entry_hash_find() - look for a given dat_entry in the local hash
* table
* @bat_priv: the bat priv with all the soft interface information
* @ip: search key
@@ -310,7 +311,7 @@ batadv_dat_entry_hash_find(struct batadv_priv *bat_priv, __be32 ip,
}
/**
- * batadv_dat_entry_add - add a new dat entry or update it if already exists
+ * batadv_dat_entry_add() - add a new dat entry or update it if already exists
* @bat_priv: the bat priv with all the soft interface information
* @ip: ipv4 to add/edit
* @mac_addr: mac address to assign to the given ipv4
@@ -367,7 +368,8 @@ out:
#ifdef CONFIG_BATMAN_ADV_DEBUG
/**
- * batadv_dbg_arp - print a debug message containing all the ARP packet details
+ * batadv_dbg_arp() - print a debug message containing all the ARP packet
+ * details
* @bat_priv: the bat priv with all the soft interface information
* @skb: ARP packet
* @hdr_size: size of the possible header before the ARP packet
@@ -448,7 +450,7 @@ static void batadv_dbg_arp(struct batadv_priv *bat_priv, struct sk_buff *skb,
#endif /* CONFIG_BATMAN_ADV_DEBUG */
/**
- * batadv_is_orig_node_eligible - check whether a node can be a DHT candidate
+ * batadv_is_orig_node_eligible() - check whether a node can be a DHT candidate
* @res: the array with the already selected candidates
* @select: number of already selected candidates
* @tmp_max: address of the currently evaluated node
@@ -502,7 +504,7 @@ out:
}
/**
- * batadv_choose_next_candidate - select the next DHT candidate
+ * batadv_choose_next_candidate() - select the next DHT candidate
* @bat_priv: the bat priv with all the soft interface information
* @cands: candidates array
* @select: number of candidates already present in the array
@@ -566,8 +568,8 @@ static void batadv_choose_next_candidate(struct batadv_priv *bat_priv,
}
/**
- * batadv_dat_select_candidates - select the nodes which the DHT message has to
- * be sent to
+ * batadv_dat_select_candidates() - select the nodes which the DHT message has
+ * to be sent to
* @bat_priv: the bat priv with all the soft interface information
* @ip_dst: ipv4 to look up in the DHT
* @vid: VLAN identifier
@@ -612,7 +614,7 @@ batadv_dat_select_candidates(struct batadv_priv *bat_priv, __be32 ip_dst,
}
/**
- * batadv_dat_send_data - send a payload to the selected candidates
+ * batadv_dat_send_data() - send a payload to the selected candidates
* @bat_priv: the bat priv with all the soft interface information
* @skb: payload to send
* @ip: the DHT key
@@ -688,7 +690,7 @@ out:
}
/**
- * batadv_dat_tvlv_container_update - update the dat tvlv container after dat
+ * batadv_dat_tvlv_container_update() - update the dat tvlv container after dat
* setting change
* @bat_priv: the bat priv with all the soft interface information
*/
@@ -710,7 +712,7 @@ static void batadv_dat_tvlv_container_update(struct batadv_priv *bat_priv)
}
/**
- * batadv_dat_status_update - update the dat tvlv container after dat
+ * batadv_dat_status_update() - update the dat tvlv container after dat
* setting change
* @net_dev: the soft interface net device
*/
@@ -722,7 +724,7 @@ void batadv_dat_status_update(struct net_device *net_dev)
}
/**
- * batadv_dat_tvlv_ogm_handler_v1 - process incoming dat tvlv container
+ * batadv_dat_tvlv_ogm_handler_v1() - process incoming dat tvlv container
* @bat_priv: the bat priv with all the soft interface information
* @orig: the orig_node of the ogm
* @flags: flags indicating the tvlv state (see batadv_tvlv_handler_flags)
@@ -741,7 +743,7 @@ static void batadv_dat_tvlv_ogm_handler_v1(struct batadv_priv *bat_priv,
}
/**
- * batadv_dat_hash_free - free the local DAT hash table
+ * batadv_dat_hash_free() - free the local DAT hash table
* @bat_priv: the bat priv with all the soft interface information
*/
static void batadv_dat_hash_free(struct batadv_priv *bat_priv)
@@ -757,7 +759,7 @@ static void batadv_dat_hash_free(struct batadv_priv *bat_priv)
}
/**
- * batadv_dat_init - initialise the DAT internals
+ * batadv_dat_init() - initialise the DAT internals
* @bat_priv: the bat priv with all the soft interface information
*
* Return: 0 in case of success, a negative error code otherwise
@@ -782,7 +784,7 @@ int batadv_dat_init(struct batadv_priv *bat_priv)
}
/**
- * batadv_dat_free - free the DAT internals
+ * batadv_dat_free() - free the DAT internals
* @bat_priv: the bat priv with all the soft interface information
*/
void batadv_dat_free(struct batadv_priv *bat_priv)
@@ -797,7 +799,7 @@ void batadv_dat_free(struct batadv_priv *bat_priv)
#ifdef CONFIG_BATMAN_ADV_DEBUGFS
/**
- * batadv_dat_cache_seq_print_text - print the local DAT hash table
+ * batadv_dat_cache_seq_print_text() - print the local DAT hash table
* @seq: seq file to print on
* @offset: not used
*
@@ -850,7 +852,7 @@ out:
#endif
/**
- * batadv_arp_get_type - parse an ARP packet and gets the type
+ * batadv_arp_get_type() - parse an ARP packet and gets the type
* @bat_priv: the bat priv with all the soft interface information
* @skb: packet to analyse
* @hdr_size: size of the possible header before the ARP packet in the skb
@@ -924,7 +926,7 @@ out:
}
/**
- * batadv_dat_get_vid - extract the VLAN identifier from skb if any
+ * batadv_dat_get_vid() - extract the VLAN identifier from skb if any
* @skb: the buffer containing the packet to extract the VID from
* @hdr_size: the size of the batman-adv header encapsulating the packet
*
@@ -950,7 +952,7 @@ static unsigned short batadv_dat_get_vid(struct sk_buff *skb, int *hdr_size)
}
/**
- * batadv_dat_arp_create_reply - create an ARP Reply
+ * batadv_dat_arp_create_reply() - create an ARP Reply
* @bat_priv: the bat priv with all the soft interface information
* @ip_src: ARP sender IP
* @ip_dst: ARP target IP
@@ -985,7 +987,7 @@ batadv_dat_arp_create_reply(struct batadv_priv *bat_priv, __be32 ip_src,
}
/**
- * batadv_dat_snoop_outgoing_arp_request - snoop the ARP request and try to
+ * batadv_dat_snoop_outgoing_arp_request() - snoop the ARP request and try to
* answer using DAT
* @bat_priv: the bat priv with all the soft interface information
* @skb: packet to check
@@ -1083,7 +1085,7 @@ out:
}
/**
- * batadv_dat_snoop_incoming_arp_request - snoop the ARP request and try to
+ * batadv_dat_snoop_incoming_arp_request() - snoop the ARP request and try to
* answer using the local DAT storage
* @bat_priv: the bat priv with all the soft interface information
* @skb: packet to check
@@ -1153,7 +1155,7 @@ out:
}
/**
- * batadv_dat_snoop_outgoing_arp_reply - snoop the ARP reply and fill the DHT
+ * batadv_dat_snoop_outgoing_arp_reply() - snoop the ARP reply and fill the DHT
* @bat_priv: the bat priv with all the soft interface information
* @skb: packet to check
*/
@@ -1193,8 +1195,8 @@ void batadv_dat_snoop_outgoing_arp_reply(struct batadv_priv *bat_priv,
}
/**
- * batadv_dat_snoop_incoming_arp_reply - snoop the ARP reply and fill the local
- * DAT storage only
+ * batadv_dat_snoop_incoming_arp_reply() - snoop the ARP reply and fill the
+ * local DAT storage only
* @bat_priv: the bat priv with all the soft interface information
* @skb: packet to check
* @hdr_size: size of the encapsulation header
@@ -1282,8 +1284,8 @@ out:
}
/**
- * batadv_dat_drop_broadcast_packet - check if an ARP request has to be dropped
- * (because the node has already obtained the reply via DAT) or not
+ * batadv_dat_drop_broadcast_packet() - check if an ARP request has to be
+ * dropped (because the node has already obtained the reply via DAT) or not
* @bat_priv: the bat priv with all the soft interface information
* @forw_packet: the broadcast packet
*