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Merge tag 'batadv-next-for-davem-20171220' of git://git.open-mesh.org/linux-merge

Browse Source 
Simon Wunderlich says:

====================
This feature/cleanup patchset includes the following patches:

 - bump version strings, by Simon Wunderlich

 - de-inline hash functions to save memory footprint, by Denys Vlasenko

 - Add License information to various files, by Sven Eckelmann (3 patches)

 - Change batman_adv.h from ISC to MIT, by Sven Eckelmann

 - Improve various includes, by Sven Eckelmann (5 patches)

 - Lots of kernel-doc work by Sven Eckelmann (8 patches)
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller
2017-12-20 14:33:03 -05:00
parent b2597f78d4 ff15c27c97
commit a943e8bc05
62 changed files with 2852 additions and 1353 deletions
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75
net/batman-adv/tp_meter.c
View File

@@ -1,3 +1,4 @@
// SPDX-License-Identifier: GPL-2.0
/* Copyright (C) 2012-2017 B.A.T.M.A.N. contributors:
*
* Edo Monticelli, Antonio Quartulli
@@ -19,13 +20,13 @@
#include "main.h"
#include <linux/atomic.h>
#include <linux/bug.h>
#include <linux/build_bug.h>
#include <linux/byteorder/generic.h>
#include <linux/cache.h>
#include <linux/compiler.h>
#include <linux/err.h>
#include <linux/etherdevice.h>
#include <linux/fs.h>
#include <linux/gfp.h>
#include <linux/if_ether.h>
#include <linux/init.h>
#include <linux/jiffies.h>
@@ -97,7 +98,7 @@
static u8 batadv_tp_prerandom[4096] __read_mostly;
/**
* batadv_tp_session_cookie - generate session cookie based on session ids
* batadv_tp_session_cookie() - generate session cookie based on session ids
* @session: TP session identifier
* @icmp_uid: icmp pseudo uid of the tp session
*
@@ -115,7 +116,7 @@ static u32 batadv_tp_session_cookie(const u8 session[2], u8 icmp_uid)
}
/**
* batadv_tp_cwnd - compute the new cwnd size
* 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)
@@ -140,7 +141,7 @@ static u32 batadv_tp_cwnd(u32 base, u32 increment, u32 min)
}
/**
* batadv_tp_updated_cwnd - update the Congestion Windows
* batadv_tp_updated_cwnd() - update the Congestion Windows
* @tp_vars: the private data of the current TP meter session
* @mss: maximum segment size of transmission
*
@@ -176,7 +177,7 @@ static void batadv_tp_update_cwnd(struct batadv_tp_vars *tp_vars, u32 mss)
}
/**
* batadv_tp_update_rto - calculate new retransmission timeout
* batadv_tp_update_rto() - calculate new retransmission timeout
* @tp_vars: the private data of the current TP meter session
* @new_rtt: new roundtrip time in msec
*/
@@ -212,7 +213,7 @@ static void batadv_tp_update_rto(struct batadv_tp_vars *tp_vars,
}
/**
* batadv_tp_batctl_notify - send client status result to client
* batadv_tp_batctl_notify() - send client status result to client
* @reason: reason for tp meter session stop
* @dst: destination of tp_meter session
* @bat_priv: the bat priv with all the soft interface information
@@ -244,7 +245,7 @@ static void batadv_tp_batctl_notify(enum batadv_tp_meter_reason reason,
}
/**
* batadv_tp_batctl_error_notify - send client error result to client
* batadv_tp_batctl_error_notify() - send client error result to client
* @reason: reason for tp meter session stop
* @dst: destination of tp_meter session
* @bat_priv: the bat priv with all the soft interface information
@@ -259,7 +260,7 @@ static void batadv_tp_batctl_error_notify(enum batadv_tp_meter_reason reason,
}
/**
* batadv_tp_list_find - find a tp_vars object in the global list
* batadv_tp_list_find() - find a tp_vars object in the global list
* @bat_priv: the bat priv with all the soft interface information
* @dst: the other endpoint MAC address to look for
*
@@ -294,7 +295,8 @@ static struct batadv_tp_vars *batadv_tp_list_find(struct batadv_priv *bat_priv,
}
/**
* batadv_tp_list_find_session - find tp_vars session object in the global list
* batadv_tp_list_find_session() - find tp_vars session object in the global
* list
* @bat_priv: the bat priv with all the soft interface information
* @dst: the other endpoint MAC address to look for
* @session: session identifier
@@ -335,7 +337,7 @@ batadv_tp_list_find_session(struct batadv_priv *bat_priv, const u8 *dst,
}
/**
* batadv_tp_vars_release - release batadv_tp_vars from lists and queue for
* batadv_tp_vars_release() - release batadv_tp_vars from lists and queue for
* free after rcu grace period
* @ref: kref pointer of the batadv_tp_vars
*/
@@ -360,7 +362,7 @@ static void batadv_tp_vars_release(struct kref *ref)
}
/**
* batadv_tp_vars_put - decrement the batadv_tp_vars refcounter and possibly
* batadv_tp_vars_put() - decrement the batadv_tp_vars refcounter and possibly
* release it
* @tp_vars: the private data of the current TP meter session to be free'd
*/
@@ -370,7 +372,7 @@ static void batadv_tp_vars_put(struct batadv_tp_vars *tp_vars)
}
/**
* batadv_tp_sender_cleanup - cleanup sender data and drop and timer
* batadv_tp_sender_cleanup() - cleanup sender data and drop and timer
* @bat_priv: the bat priv with all the soft interface information
* @tp_vars: the private data of the current TP meter session to cleanup
*/
@@ -400,7 +402,7 @@ static void batadv_tp_sender_cleanup(struct batadv_priv *bat_priv,
}
/**
* batadv_tp_sender_end - print info about ended session and inform client
* batadv_tp_sender_end() - print info about ended session and inform client
* @bat_priv: the bat priv with all the soft interface information
* @tp_vars: the private data of the current TP meter session
*/
@@ -433,7 +435,7 @@ static void batadv_tp_sender_end(struct batadv_priv *bat_priv,
}
/**
* batadv_tp_sender_shutdown - let sender thread/timer stop gracefully
* batadv_tp_sender_shutdown() - let sender thread/timer stop gracefully
* @tp_vars: the private data of the current TP meter session
* @reason: reason for tp meter session stop
*/
@@ -447,7 +449,7 @@ static void batadv_tp_sender_shutdown(struct batadv_tp_vars *tp_vars,
}
/**
* batadv_tp_sender_finish - stop sender session after test_length was reached
* batadv_tp_sender_finish() - stop sender session after test_length was reached
* @work: delayed work reference of the related tp_vars
*/
static void batadv_tp_sender_finish(struct work_struct *work)
@@ -463,7 +465,7 @@ static void batadv_tp_sender_finish(struct work_struct *work)
}
/**
* batadv_tp_reset_sender_timer - reschedule the sender timer
* batadv_tp_reset_sender_timer() - reschedule the sender timer
* @tp_vars: the private TP meter data for this session
*
* Reschedule the timer using tp_vars->rto as delay
@@ -481,7 +483,7 @@ static void batadv_tp_reset_sender_timer(struct batadv_tp_vars *tp_vars)
}
/**
* batadv_tp_sender_timeout - timer that fires in case of packet loss
* batadv_tp_sender_timeout() - timer that fires in case of packet loss
* @t: address to timer_list inside tp_vars
*
* If fired it means that there was packet loss.
@@ -531,7 +533,7 @@ static void batadv_tp_sender_timeout(struct timer_list *t)
}
/**
* batadv_tp_fill_prerandom - Fill buffer with prefetched random bytes
* batadv_tp_fill_prerandom() - Fill buffer with prefetched random bytes
* @tp_vars: the private TP meter data for this session
* @buf: Buffer to fill with bytes
* @nbytes: amount of pseudorandom bytes
@@ -563,7 +565,7 @@ static void batadv_tp_fill_prerandom(struct batadv_tp_vars *tp_vars,
}
/**
* batadv_tp_send_msg - send a single message
* batadv_tp_send_msg() - send a single message
* @tp_vars: the private TP meter data for this session
* @src: source mac address
* @orig_node: the originator of the destination
@@ -623,7 +625,7 @@ static int batadv_tp_send_msg(struct batadv_tp_vars *tp_vars, const u8 *src,
}
/**
* batadv_tp_recv_ack - ACK receiving function
* batadv_tp_recv_ack() - ACK receiving function
* @bat_priv: the bat priv with all the soft interface information
* @skb: the buffer containing the received packet
*
@@ -765,7 +767,7 @@ out:
}
/**
* batadv_tp_avail - check if congestion window is not full
* batadv_tp_avail() - check if congestion window is not full
* @tp_vars: the private data of the current TP meter session
* @payload_len: size of the payload of a single message
*
@@ -783,7 +785,7 @@ static bool batadv_tp_avail(struct batadv_tp_vars *tp_vars,
}
/**
* batadv_tp_wait_available - wait until congestion window becomes free or
* batadv_tp_wait_available() - wait until congestion window becomes free or
* timeout is reached
* @tp_vars: the private data of the current TP meter session
* @plen: size of the payload of a single message
@@ -805,7 +807,7 @@ static int batadv_tp_wait_available(struct batadv_tp_vars *tp_vars, size_t plen)
}
/**
* batadv_tp_send - main sending thread of a tp meter session
* batadv_tp_send() - main sending thread of a tp meter session
* @arg: address of the related tp_vars
*
* Return: nothing, this function never returns
@@ -904,7 +906,8 @@ out:
}
/**
* batadv_tp_start_kthread - start new thread which manages the tp meter sender
* batadv_tp_start_kthread() - start new thread which manages the tp meter
* sender
* @tp_vars: the private data of the current TP meter session
*/
static void batadv_tp_start_kthread(struct batadv_tp_vars *tp_vars)
@@ -935,7 +938,7 @@ static void batadv_tp_start_kthread(struct batadv_tp_vars *tp_vars)
}
/**
* batadv_tp_start - start a new tp meter session
* batadv_tp_start() - start a new tp meter session
* @bat_priv: the bat priv with all the soft interface information
* @dst: the receiver MAC address
* @test_length: test length in milliseconds
@@ -1060,7 +1063,7 @@ void batadv_tp_start(struct batadv_priv *bat_priv, const u8 *dst,
}
/**
* batadv_tp_stop - stop currently running tp meter session
* batadv_tp_stop() - stop currently running tp meter session
* @bat_priv: the bat priv with all the soft interface information
* @dst: the receiver MAC address
* @return_value: reason for tp meter session stop
@@ -1092,7 +1095,7 @@ out:
}
/**
* batadv_tp_reset_receiver_timer - reset the receiver shutdown timer
* batadv_tp_reset_receiver_timer() - reset the receiver shutdown timer
* @tp_vars: the private data of the current TP meter session
*
* start the receiver shutdown timer or reset it if already started
@@ -1104,7 +1107,7 @@ static void batadv_tp_reset_receiver_timer(struct batadv_tp_vars *tp_vars)
}
/**
* batadv_tp_receiver_shutdown - stop a tp meter receiver when timeout is
* batadv_tp_receiver_shutdown() - stop a tp meter receiver when timeout is
* reached without received ack
* @t: address to timer_list inside tp_vars
*/
@@ -1149,7 +1152,7 @@ static void batadv_tp_receiver_shutdown(struct timer_list *t)
}
/**
* batadv_tp_send_ack - send an ACK packet
* batadv_tp_send_ack() - send an ACK packet
* @bat_priv: the bat priv with all the soft interface information
* @dst: the mac address of the destination originator
* @seq: the sequence number to ACK
@@ -1221,7 +1224,7 @@ out:
}
/**
* batadv_tp_handle_out_of_order - store an out of order packet
* batadv_tp_handle_out_of_order() - store an out of order packet
* @tp_vars: the private data of the current TP meter session
* @skb: the buffer containing the received packet
*
@@ -1297,7 +1300,7 @@ out:
}
/**
* batadv_tp_ack_unordered - update number received bytes in current stream
* batadv_tp_ack_unordered() - update number received bytes in current stream
* without gaps
* @tp_vars: the private data of the current TP meter session
*/
@@ -1330,7 +1333,7 @@ static void batadv_tp_ack_unordered(struct batadv_tp_vars *tp_vars)
}
/**
* batadv_tp_init_recv - return matching or create new receiver tp_vars
* batadv_tp_init_recv() - return matching or create new receiver tp_vars
* @bat_priv: the bat priv with all the soft interface information
* @icmp: received icmp tp msg
*
@@ -1383,7 +1386,7 @@ out_unlock:
}
/**
* batadv_tp_recv_msg - process a single data message
* batadv_tp_recv_msg() - process a single data message
* @bat_priv: the bat priv with all the soft interface information
* @skb: the buffer containing the received packet
*
@@ -1468,7 +1471,7 @@ out:
}
/**
* batadv_tp_meter_recv - main TP Meter receiving function
* batadv_tp_meter_recv() - main TP Meter receiving function
* @bat_priv: the bat priv with all the soft interface information
* @skb: the buffer containing the received packet
*/
@@ -1494,7 +1497,7 @@ void batadv_tp_meter_recv(struct batadv_priv *bat_priv, struct sk_buff *skb)
}
/**
* batadv_tp_meter_init - initialize global tp_meter structures
* batadv_tp_meter_init() - initialize global tp_meter structures
*/
void __init batadv_tp_meter_init(void)
{