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| 2 | |
| 3 | *
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| 4 | * Copyright (C) 2016 Red Hat, Inc. All Rights Reserved.
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| 5 | * Written by David Howells ([email protected])
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| 6 |
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| 7 |
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| 8 | #include <linux/kernel.h>
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| 9 | #include <net/sock.h>
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| 10 | #include <net/af_rxrpc.h>
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| 11 | #include "ar-internal.h"
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| 12 |
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| 13 | |
| 14 | * The maximum listening backlog queue size that may be set on a socket by
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| 15 | * listen().
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| 16 |
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| 17 | unsigned int rxrpc_max_backlog __read_mostly = 10;
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| 18 |
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| 19 | |
| 20 | * How long to wait before scheduling an ACK with subtype DELAY (in ms).
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| 21 | *
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| 22 | * We use this when we've received new data packets. If those packets aren't
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| 23 | * all consumed within this time we will send a DELAY ACK if an ACK was not
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| 24 | * requested to let the sender know it doesn't need to resend.
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| 25 |
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| 26 | unsigned long rxrpc_soft_ack_delay = 1000;
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| 27 |
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| 28 | |
| 29 | * How long to wait before scheduling an ACK with subtype IDLE (in ms).
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| 30 | *
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| 31 | * We use this when we've consumed some previously soft-ACK'd packets when
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| 32 | * further packets aren't immediately received to decide when to send an IDLE
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| 33 | * ACK let the other end know that it can free up its Tx buffer space.
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| 34 |
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| 35 | unsigned long rxrpc_idle_ack_delay = 500;
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| 36 |
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| 37 | |
| 38 | * Receive window size in packets. This indicates the maximum number of
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| 39 | * unconsumed received packets we're willing to retain in memory. Once this
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| 40 | * limit is hit, we should generate an EXCEEDS_WINDOW ACK and discard further
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| 41 | * packets.
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| 42 |
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| 43 | unsigned int rxrpc_rx_window_size = 255;
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| 44 |
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| 45 | |
| 46 | * Maximum Rx MTU size. This indicates to the sender the size of jumbo packet
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| 47 | * made by gluing normal packets together that we're willing to handle.
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| 48 |
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| 49 | unsigned int rxrpc_rx_mtu = RXRPC_JUMBO(46);
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| 50 |
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| 51 | |
| 52 | * The maximum number of fragments in a received jumbo packet that we tell the
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| 53 | * sender that we're willing to handle.
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| 54 |
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| 55 | unsigned int rxrpc_rx_jumbo_max = 46;
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| 56 |
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| 57 | #ifdef CONFIG_AF_RXRPC_INJECT_RX_DELAY
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| 58 | |
| 59 | * The delay to inject into packet reception.
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| 60 |
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| 61 | unsigned long rxrpc_inject_rx_delay;
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| 62 | #endif
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