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| author | Chuck Lever <cel@netapp.com> | 2005-08-25 16:25:54 -0700 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2005-09-23 12:38:50 -0400 |
| commit | 529b33c6db0120126b1381faa51406dc463acdc9 (patch) | |
| tree | 4856a23687aa891f6a5d1c45db80190b90b0fc68 /include | |
| parent | 555ee3af161b037865793bd4bebc06b58daafde6 (diff) | |
| download | linux-stable-529b33c6db0120126b1381faa51406dc463acdc9.tar.gz linux-stable-529b33c6db0120126b1381faa51406dc463acdc9.tar.bz2 linux-stable-529b33c6db0120126b1381faa51406dc463acdc9.zip | |
[PATCH] RPC: allow RPC client's port range to be adjustable
Select an RPC client source port between 650 and 1023 instead of between
1 and 800. The old range conflicts with a number of network services.
Provide sysctls to allow admins to select a different port range.
Note that this doesn't affect user-level RPC library behavior, which
still uses 1 to 800.
Based on a suggestion by Olaf Kirch <okir@suse.de>.
Test-plan:
Repeated mount and unmount. Destructive testing. Idle timeouts.
Signed-off-by: Chuck Lever <cel@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/sunrpc/debug.h | 2 | ||||
| -rw-r--r-- | include/linux/sunrpc/xprt.h | 17 |
2 files changed, 16 insertions, 3 deletions
diff --git a/include/linux/sunrpc/debug.h b/include/linux/sunrpc/debug.h index 42d299747956..1a42d902bc11 100644 --- a/include/linux/sunrpc/debug.h +++ b/include/linux/sunrpc/debug.h @@ -95,6 +95,8 @@ enum { CTL_NLMDEBUG, CTL_SLOTTABLE_UDP, CTL_SLOTTABLE_TCP, + CTL_MIN_RESVPORT, + CTL_MAX_RESVPORT, }; #endif /* _LINUX_SUNRPC_DEBUG_H_ */ diff --git a/include/linux/sunrpc/xprt.h b/include/linux/sunrpc/xprt.h index dcf0326bda01..9d9266cf8a36 100644 --- a/include/linux/sunrpc/xprt.h +++ b/include/linux/sunrpc/xprt.h @@ -52,6 +52,17 @@ extern unsigned int xprt_tcp_slot_table_entries; #define RPC_REPHDRSIZE 4 /* + * Parameters for choosing a free port + */ +extern unsigned int xprt_min_resvport; +extern unsigned int xprt_max_resvport; + +#define RPC_MIN_RESVPORT (1U) +#define RPC_MAX_RESVPORT (65535U) +#define RPC_DEF_MIN_RESVPORT (650U) +#define RPC_DEF_MAX_RESVPORT (1023U) + +/* * This describes a timeout strategy */ struct rpc_timeout { @@ -62,6 +73,9 @@ struct rpc_timeout { unsigned char to_exponential; }; +struct rpc_task; +struct rpc_xprt; + /* * This describes a complete RPC request */ @@ -107,9 +121,6 @@ struct rpc_rqst { #define rq_svec rq_snd_buf.head #define rq_slen rq_snd_buf.len -struct rpc_task; -struct rpc_xprt; - struct rpc_xprt_ops { void (*set_buffer_size)(struct rpc_xprt *xprt); int (*reserve_xprt)(struct rpc_task *task); |