From 9f24908901c5f4b1e3b07548106b1790af933476 Mon Sep 17 00:00:00 2001 From: Tom Herbert Date: Thu, 4 Jun 2015 09:16:41 -0700 Subject: [PATCH] net: Add keys for TIPC address Add a new flow key for TIPC addresses. Signed-off-by: Tom Herbert Signed-off-by: David S. Miller --- include/net/flow_dissector.h | 10 ++++++++++ net/core/flow_dissector.c | 18 +++++++++++++----- 2 files changed, 23 insertions(+), 5 deletions(-) diff --git a/include/net/flow_dissector.h b/include/net/flow_dissector.h index 306d4613abbb..3ee606a54775 100644 --- a/include/net/flow_dissector.h +++ b/include/net/flow_dissector.h @@ -49,6 +49,14 @@ struct flow_dissector_key_ipv6_addrs { struct in6_addr dst; }; +/** + * struct flow_dissector_key_tipc_addrs: + * @srcnode: source node address + */ +struct flow_dissector_key_tipc_addrs { + __be32 srcnode; +}; + /** * struct flow_dissector_key_addrs: * @v4addrs: IPv4 addresses @@ -58,6 +66,7 @@ struct flow_dissector_key_addrs { union { struct flow_dissector_key_ipv4_addrs v4addrs; struct flow_dissector_key_ipv6_addrs v6addrs; + struct flow_dissector_key_tipc_addrs tipcaddrs; }; }; @@ -97,6 +106,7 @@ enum flow_dissector_key_id { FLOW_DISSECTOR_KEY_IPV6_HASH_ADDRS, /* struct flow_dissector_key_addrs */ FLOW_DISSECTOR_KEY_PORTS, /* struct flow_dissector_key_ports */ FLOW_DISSECTOR_KEY_ETH_ADDRS, /* struct flow_dissector_key_eth_addrs */ + FLOW_DISSECTOR_KEY_TIPC_ADDRS, /* struct flow_dissector_key_tipc_addrs */ FLOW_DISSECTOR_KEY_MAX, }; diff --git a/net/core/flow_dissector.c b/net/core/flow_dissector.c index ca9d22488cfb..91861c3d45a7 100644 --- a/net/core/flow_dissector.c +++ b/net/core/flow_dissector.c @@ -294,13 +294,12 @@ flow_label: key_control->thoff = (u16)nhoff; if (skb_flow_dissector_uses_key(flow_dissector, - FLOW_DISSECTOR_KEY_IPV6_HASH_ADDRS)) { + FLOW_DISSECTOR_KEY_TIPC_ADDRS)) { key_addrs = skb_flow_dissector_target(flow_dissector, - FLOW_DISSECTOR_KEY_IPV6_HASH_ADDRS, + FLOW_DISSECTOR_KEY_TIPC_ADDRS, target_container); - key_addrs->v4addrs.src = hdr->srcnode; - key_addrs->v4addrs.dst = 0; - key_control->addr_type = FLOW_DISSECTOR_KEY_IPV4_ADDRS; + key_addrs->tipcaddrs.srcnode = hdr->srcnode; + key_control->addr_type = FLOW_DISSECTOR_KEY_TIPC_ADDRS; } return true; } @@ -408,6 +407,9 @@ static inline size_t flow_keys_hash_length(struct flow_keys *flow) case FLOW_DISSECTOR_KEY_IPV6_ADDRS: diff -= sizeof(flow->addrs.v6addrs); break; + case FLOW_DISSECTOR_KEY_TIPC_ADDRS: + diff -= sizeof(flow->addrs.tipcaddrs); + break; } return (sizeof(*flow) - diff) / sizeof(u32); } @@ -420,6 +422,8 @@ __be32 flow_get_u32_src(const struct flow_keys *flow) case FLOW_DISSECTOR_KEY_IPV6_ADDRS: return (__force __be32)ipv6_addr_hash( &flow->addrs.v6addrs.src); + case FLOW_DISSECTOR_KEY_TIPC_ADDRS: + return flow->addrs.tipcaddrs.srcnode; default: return 0; } @@ -650,6 +654,10 @@ static const struct flow_dissector_key flow_keys_dissector_keys[] = { .key_id = FLOW_DISSECTOR_KEY_IPV6_HASH_ADDRS, .offset = offsetof(struct flow_keys, addrs.v4addrs), }, + { + .key_id = FLOW_DISSECTOR_KEY_TIPC_ADDRS, + .offset = offsetof(struct flow_keys, addrs.tipcaddrs), + }, { .key_id = FLOW_DISSECTOR_KEY_PORTS, .offset = offsetof(struct flow_keys, ports), -- 2.30.2