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| author | Mark Johnston <markj@FreeBSD.org> | 2018-10-29 21:16:26 +0000 |
|---|---|---|
| committer | Mark Johnston <markj@FreeBSD.org> | 2018-10-29 21:16:26 +0000 |
| commit | da7d7778b06a92b7f0263537328942a9f0460757 (patch) | |
| tree | 5444156920caf4dd63c8a7b17875fae6b215bfcf /sys | |
| parent | 2fa224b17de008093f790d00a401a8db1e1c5feb (diff) | |
| download | src-da7d7778b06a92b7f0263537328942a9f0460757.tar.gz src-da7d7778b06a92b7f0263537328942a9f0460757.zip | |
Expose some netdump configuration parameters through sysctl.
Reviewed by: cem
MFC after: 1 week
Differential Revision: https://reviews.freebsd.org/D17755
Notes
Notes:
svn path=/head/; revision=339883
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/netinet/netdump/netdump_client.c | 24 |
1 files changed, 12 insertions, 12 deletions
diff --git a/sys/netinet/netdump/netdump_client.c b/sys/netinet/netdump/netdump_client.c index a662fa86e9c7..9df2e731fa6e 100644 --- a/sys/netinet/netdump/netdump_client.c +++ b/sys/netinet/netdump/netdump_client.c @@ -117,18 +117,6 @@ static int restore_gw_addr; static uint64_t rcvd_acks; CTASSERT(sizeof(rcvd_acks) * NBBY == NETDUMP_MAX_IN_FLIGHT); -/* - * Times to poll the NIC (0.5ms each poll) before assuming packetloss - * occurred (default to 1s). - */ -static int nd_polls = 2000; - -/* Times to retransmit lost packets. */ -static int nd_retries = 10; - -/* Number of ARP retries. */ -static int nd_arp_retries = 3; - /* Configuration parameters. */ static struct netdump_conf nd_conf; #define nd_server nd_conf.ndc_server @@ -157,6 +145,18 @@ static char nd_path[MAXPATHLEN]; SYSCTL_STRING(_net_netdump, OID_AUTO, path, CTLFLAG_RW, nd_path, sizeof(nd_path), "Server path for output files"); +static int nd_polls = 2000; +SYSCTL_INT(_net_netdump, OID_AUTO, polls, CTLFLAG_RWTUN, + &nd_polls, 0, + "Number of times to poll before assuming packet loss (0.5ms per poll)"); +static int nd_retries = 10; +SYSCTL_INT(_net_netdump, OID_AUTO, retries, CTLFLAG_RWTUN, + &nd_retries, 0, + "Number of retransmit attempts before giving up"); +static int nd_arp_retries = 3; +SYSCTL_INT(_net_netdump, OID_AUTO, arp_retries, CTLFLAG_RWTUN, + &nd_arp_retries, 0, + "Number of ARP attempts before giving up"); /* * Checks for netdump support on a network interface |