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| author |   Tim Smith <tim@electronghost.co.uk> | 2014-03-03 23:04:45 +0000 |
|---|---|---|
| committer |   David Howells <dhowells@redhat.com> | 2014-03-04 10:36:53 +0000 |
| commit | 7727640cc3c4d03b6a3cb5bf26d48c72e31403ca (patch) | |
| tree | 1297fc34c3003a300faa45d57ecd4db15730a5d8 /net/rxrpc/ar-internal.h | |
| parent | af_rxrpc: Request an ACK for every alternate DATA packet (diff) | |
| download | linux-dev-7727640cc3c4d03b6a3cb5bf26d48c72e31403ca.tar.xz linux-dev-7727640cc3c4d03b6a3cb5bf26d48c72e31403ca.zip | |
af_rxrpc: Keep rxrpc_call pointers in a hashtable
Keep track of rxrpc_call structures in a hashtable so they can be
found directly from the network parameters which define the call.
This allows incoming packets to be routed directly to a call without walking
through hierarchy of peer -> transport -> connection -> call and all the
spinlocks that that entailed.
Signed-off-by: Tim Smith <tim@electronghost.co.uk>
Signed-off-by: David Howells <dhowells@redhat.com>
Diffstat (limited to 'net/rxrpc/ar-internal.h')
| -rw-r--r-- | net/rxrpc/ar-internal.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/net/rxrpc/ar-internal.h b/net/rxrpc/ar-internal.h index 1ecd070e9149..c831d44b0841 100644 --- a/net/rxrpc/ar-internal.h +++ b/net/rxrpc/ar-internal.h @@ -396,9 +396,20 @@ struct rxrpc_call { #define RXRPC_ACKR_WINDOW_ASZ DIV_ROUND_UP(RXRPC_MAXACKS, BITS_PER_LONG) unsigned long ackr_window[RXRPC_ACKR_WINDOW_ASZ + 1]; + struct hlist_node hash_node; + unsigned long hash_key; /* Full hash key */ + u8 in_clientflag; /* Copy of conn->in_clientflag for hashing */ + struct rxrpc_local *local; /* Local endpoint. Used for hashing. */ + sa_family_t proto; /* Frame protocol */ /* the following should all be in net order */ __be32 cid; /* connection ID + channel index */ __be32 call_id; /* call ID on connection */ + __be32 epoch; /* epoch of this connection */ + __be16 service_id; /* service ID */ + union { /* Peer IP address for hashing */ + __be32 ipv4_addr; + __u8 ipv6_addr[16]; /* Anticipates eventual IPv6 support */ + } peer_ip; }; /* @@ -453,6 +464,8 @@ extern struct kmem_cache *rxrpc_call_jar; extern struct list_head rxrpc_calls; extern rwlock_t rxrpc_call_lock; +struct rxrpc_call *rxrpc_find_call_hash(u8, __be32, __be32, __be32, + __be16, void *, sa_family_t, const u8 *); struct rxrpc_call *rxrpc_get_client_call(struct rxrpc_sock *, struct rxrpc_transport *, struct rxrpc_conn_bundle *, |