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[/] [or1k_soc_on_altera_embedded_dev_kit/] [tags/] [linux-2.6/] [linux-2.6.24_or32_unified_v2.3/] [net/] [dccp/] [diag.c] - Blame information for rev 8

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Line No. Rev Author Line
1 3 xianfeng
/*
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 *  net/dccp/diag.c
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 *
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 *  An implementation of the DCCP protocol
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 *  Arnaldo Carvalho de Melo <acme@mandriva.com>
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 *
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 *      This program is free software; you can redistribute it and/or modify it
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 *      under the terms of the GNU General Public License version 2 as
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 *      published by the Free Software Foundation.
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 */
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#include <linux/module.h>
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#include <linux/inet_diag.h>
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#include "ccid.h"
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#include "dccp.h"
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static void dccp_get_info(struct sock *sk, struct tcp_info *info)
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{
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        struct dccp_sock *dp = dccp_sk(sk);
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        const struct inet_connection_sock *icsk = inet_csk(sk);
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        memset(info, 0, sizeof(*info));
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        info->tcpi_state        = sk->sk_state;
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        info->tcpi_retransmits  = icsk->icsk_retransmits;
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        info->tcpi_probes       = icsk->icsk_probes_out;
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        info->tcpi_backoff      = icsk->icsk_backoff;
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        info->tcpi_pmtu         = icsk->icsk_pmtu_cookie;
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        if (dccp_msk(sk)->dccpms_send_ack_vector)
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                info->tcpi_options |= TCPI_OPT_SACK;
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        ccid_hc_rx_get_info(dp->dccps_hc_rx_ccid, sk, info);
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        ccid_hc_tx_get_info(dp->dccps_hc_tx_ccid, sk, info);
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}
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static void dccp_diag_get_info(struct sock *sk, struct inet_diag_msg *r,
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                               void *_info)
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{
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        r->idiag_rqueue = r->idiag_wqueue = 0;
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        if (_info != NULL)
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                dccp_get_info(sk, _info);
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}
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static struct inet_diag_handler dccp_diag_handler = {
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        .idiag_hashinfo  = &dccp_hashinfo,
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        .idiag_get_info  = dccp_diag_get_info,
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        .idiag_type      = DCCPDIAG_GETSOCK,
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        .idiag_info_size = sizeof(struct tcp_info),
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};
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static int __init dccp_diag_init(void)
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{
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        return inet_diag_register(&dccp_diag_handler);
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}
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static void __exit dccp_diag_fini(void)
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{
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        inet_diag_unregister(&dccp_diag_handler);
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}
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module_init(dccp_diag_init);
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module_exit(dccp_diag_fini);
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MODULE_LICENSE("GPL");
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MODULE_AUTHOR("Arnaldo Carvalho de Melo <acme@mandriva.com>");
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MODULE_DESCRIPTION("DCCP inet_diag handler");
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MODULE_ALIAS_NET_PF_PROTO_TYPE(PF_NETLINK, NETLINK_INET_DIAG, DCCPDIAG_GETSOCK);

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