[PATCH v4 net-next 06/11] net: Add keys for TIPC address
From: Tom Herbert <hidden>
Date: 2015-05-22 00:12:10
Subsystem:
networking [general], the rest · Maintainers:
"David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
Add a new flow key for TIPC addresses. Signed-off-by: Tom Herbert <redacted> --- include/net/flow_dissector.h | 10 ++++++++++ net/core/flow_dissector.c | 20 ++++++++++++++------ 2 files changed, 24 insertions(+), 6 deletions(-)
diff --git a/include/net/flow_dissector.h b/include/net/flow_dissector.h
index 306d461..3ee606a 100644
--- a/include/net/flow_dissector.h
+++ b/include/net/flow_dissector.h@@ -50,6 +50,14 @@ struct flow_dissector_key_ipv6_addrs { }; /** + * 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 * @v6addrs: IPv6 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 d77619f..8d6f089 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, - target_container); - key_addrs->v4addrs.src = hdr->srcnode; - key_addrs->v4addrs.dst = 0; - key_control->addr_type = FLOW_DISSECTOR_KEY_IPV4_ADDRS; + FLOW_DISSECTOR_KEY_TIPC_ADDRS, + target_container); + 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; }
@@ -651,6 +655,10 @@ static const struct flow_dissector_key flow_keys_dissector_keys[] = { .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), },
--
1.8.1