diff options
author | Jeff Garzik <jgarzik@pobox.com> | 2005-09-01 18:02:01 -0400 |
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committer | Jeff Garzik <jgarzik@pobox.com> | 2005-09-01 18:02:01 -0400 |
commit | e3ee3b78f83688a0ae4315e8be71b2eac559904a (patch) | |
tree | deb03bcdd020262af450ed23382d7c921263f5cf /net/dccp/diag.c | |
parent | 91cb70c1769d9b72dd1efe40c31f01005820b09e (diff) | |
parent | 6b39374a27eb4be7e9d82145ae270ba02ea90dc8 (diff) |
/spare/repo/netdev-2.6 branch 'master'
Diffstat (limited to 'net/dccp/diag.c')
-rw-r--r-- | net/dccp/diag.c | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/net/dccp/diag.c b/net/dccp/diag.c new file mode 100644 index 000000000000..f675d8e642d3 --- /dev/null +++ b/net/dccp/diag.c @@ -0,0 +1,71 @@ +/* + * net/dccp/diag.c + * + * An implementation of the DCCP protocol + * Arnaldo Carvalho de Melo <acme@mandriva.com> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <linux/config.h> + +#include <linux/module.h> +#include <linux/inet_diag.h> + +#include "ccid.h" +#include "dccp.h" + +static void dccp_get_info(struct sock *sk, struct tcp_info *info) +{ + struct dccp_sock *dp = dccp_sk(sk); + const struct inet_connection_sock *icsk = inet_csk(sk); + + memset(info, 0, sizeof(*info)); + + info->tcpi_state = sk->sk_state; + info->tcpi_retransmits = icsk->icsk_retransmits; + info->tcpi_probes = icsk->icsk_probes_out; + info->tcpi_backoff = icsk->icsk_backoff; + info->tcpi_pmtu = dp->dccps_pmtu_cookie; + + if (dp->dccps_options.dccpo_send_ack_vector) + info->tcpi_options |= TCPI_OPT_SACK; + + ccid_hc_rx_get_info(dp->dccps_hc_rx_ccid, sk, info); + ccid_hc_tx_get_info(dp->dccps_hc_tx_ccid, sk, info); +} + +static void dccp_diag_get_info(struct sock *sk, struct inet_diag_msg *r, + void *_info) +{ + r->idiag_rqueue = r->idiag_wqueue = 0; + + if (_info != NULL) + dccp_get_info(sk, _info); +} + +static struct inet_diag_handler dccp_diag_handler = { + .idiag_hashinfo = &dccp_hashinfo, + .idiag_get_info = dccp_diag_get_info, + .idiag_type = DCCPDIAG_GETSOCK, + .idiag_info_size = sizeof(struct tcp_info), +}; + +static int __init dccp_diag_init(void) +{ + return inet_diag_register(&dccp_diag_handler); +} + +static void __exit dccp_diag_fini(void) +{ + inet_diag_unregister(&dccp_diag_handler); +} + +module_init(dccp_diag_init); +module_exit(dccp_diag_fini); + +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("Arnaldo Carvalho de Melo <acme@mandriva.com>"); +MODULE_DESCRIPTION("DCCP inet_diag handler"); |