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Message-Id: <1395851472-10524-4-git-send-email-jiri@resnulli.us>
Date: Wed, 26 Mar 2014 17:31:09 +0100
From: Jiri Pirko <jiri@...nulli.us>
To: netdev@...r.kernel.org
Cc: davem@...emloft.net, nhorman@...driver.com, andy@...yhouse.net,
tgraf@...g.ch, dborkman@...hat.com, ogerlitz@...lanox.com,
jesse@...ira.com, pshelar@...ira.com, azhou@...ira.com,
ben@...adent.org.uk, stephen@...workplumber.org,
jeffrey.t.kirsher@...el.com, vyasevic@...hat.com,
xiyou.wangcong@...il.com, john.r.fastabend@...el.com,
edumazet@...gle.com, jhs@...atatu.com, sfeldma@...ulusnetworks.com,
f.fainelli@...il.com, roopa@...ulusnetworks.com,
linville@...driver.com, dev@...nvswitch.org
Subject: [patch net-next RFC v2 3/6] openvswitch: split flow structures into ovs specific and generic ones
After this, flow related structures can be used in other code.
Signed-off-by: Jiri Pirko <jiri@...nulli.us>
---
include/linux/sw_flow.h | 105 +++++++++++++++++++++++++++++++++++
net/openvswitch/datapath.c | 45 +++++++--------
net/openvswitch/datapath.h | 4 +-
net/openvswitch/flow.c | 14 ++---
net/openvswitch/flow.h | 123 +++++++++--------------------------------
net/openvswitch/flow_netlink.c | 24 ++++----
net/openvswitch/flow_netlink.h | 4 +-
net/openvswitch/flow_table.c | 100 +++++++++++++++++----------------
net/openvswitch/flow_table.h | 18 +++---
net/openvswitch/vport-gre.c | 4 +-
net/openvswitch/vport-vxlan.c | 2 +-
net/openvswitch/vport.c | 2 +-
net/openvswitch/vport.h | 2 +-
13 files changed, 242 insertions(+), 205 deletions(-)
create mode 100644 include/linux/sw_flow.h
diff --git a/include/linux/sw_flow.h b/include/linux/sw_flow.h
new file mode 100644
index 0000000..e7b1ef9
--- /dev/null
+++ b/include/linux/sw_flow.h
@@ -0,0 +1,105 @@
+/*
+ * Copyright (c) 2007-2012 Nicira, Inc.
+ * Copyright (c) 2014 Jiri Pirko <jiri@...nulli.us>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of version 2 of the GNU General Public
+ * License as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA
+ */
+
+#ifndef _LINUX_SW_FLOW_H_
+#define _LINUX_SW_FLOW_H_
+
+struct sw_flow_key_ipv4_tunnel {
+ __be64 tun_id;
+ __be32 ipv4_src;
+ __be32 ipv4_dst;
+ __be16 tun_flags;
+ u8 ipv4_tos;
+ u8 ipv4_ttl;
+};
+
+struct sw_flow_key {
+ struct sw_flow_key_ipv4_tunnel tun_key; /* Encapsulating tunnel key. */
+ struct {
+ u32 priority; /* Packet QoS priority. */
+ u32 skb_mark; /* SKB mark. */
+ u16 in_port; /* Input switch port (or DP_MAX_PORTS). */
+ } phy;
+ struct {
+ u8 src[ETH_ALEN]; /* Ethernet source address. */
+ u8 dst[ETH_ALEN]; /* Ethernet destination address. */
+ __be16 tci; /* 0 if no VLAN, VLAN_TAG_PRESENT set otherwise. */
+ __be16 type; /* Ethernet frame type. */
+ } eth;
+ struct {
+ u8 proto; /* IP protocol or lower 8 bits of ARP opcode. */
+ u8 tos; /* IP ToS. */
+ u8 ttl; /* IP TTL/hop limit. */
+ u8 frag; /* One of OVS_FRAG_TYPE_*. */
+ } ip;
+ union {
+ struct {
+ struct {
+ __be32 src; /* IP source address. */
+ __be32 dst; /* IP destination address. */
+ } addr;
+ union {
+ struct {
+ __be16 src; /* TCP/UDP/SCTP source port. */
+ __be16 dst; /* TCP/UDP/SCTP destination port. */
+ __be16 flags; /* TCP flags. */
+ } tp;
+ struct {
+ u8 sha[ETH_ALEN]; /* ARP source hardware address. */
+ u8 tha[ETH_ALEN]; /* ARP target hardware address. */
+ } arp;
+ };
+ } ipv4;
+ struct {
+ struct {
+ struct in6_addr src; /* IPv6 source address. */
+ struct in6_addr dst; /* IPv6 destination address. */
+ } addr;
+ __be32 label; /* IPv6 flow label. */
+ struct {
+ __be16 src; /* TCP/UDP/SCTP source port. */
+ __be16 dst; /* TCP/UDP/SCTP destination port. */
+ __be16 flags; /* TCP flags. */
+ } tp;
+ struct {
+ struct in6_addr target; /* ND target address. */
+ u8 sll[ETH_ALEN]; /* ND source link layer address. */
+ u8 tll[ETH_ALEN]; /* ND target link layer address. */
+ } nd;
+ } ipv6;
+ };
+} __aligned(BITS_PER_LONG/8); /* Ensure that we can do comparisons as longs. */
+
+struct sw_flow_key_range {
+ unsigned short int start;
+ unsigned short int end;
+};
+
+struct sw_flow_mask {
+ struct sw_flow_key_range range;
+ struct sw_flow_key key;
+};
+
+struct sw_flow {
+ struct sw_flow_key key;
+ struct sw_flow_key unmasked_key;
+ struct sw_flow_mask *mask;
+};
+
+#endif /* _LINUX_SW_FLOW_H_ */
diff --git a/net/openvswitch/datapath.c b/net/openvswitch/datapath.c
index 48bbcd9..f229ab6 100644
--- a/net/openvswitch/datapath.c
+++ b/net/openvswitch/datapath.c
@@ -216,7 +216,7 @@ void ovs_dp_detach_port(struct vport *p)
void ovs_dp_process_received_packet(struct vport *p, struct sk_buff *skb)
{
struct datapath *dp = p->dp;
- struct sw_flow *flow;
+ struct ovs_flow *flow;
struct dp_stats_percpu *stats;
struct sw_flow_key key;
u64 *stats_counter;
@@ -488,7 +488,7 @@ static int ovs_packet_cmd_execute(struct sk_buff *skb, struct genl_info *info)
struct nlattr **a = info->attrs;
struct sw_flow_actions *acts;
struct sk_buff *packet;
- struct sw_flow *flow;
+ struct ovs_flow *flow;
struct datapath *dp;
struct ethhdr *eth;
int len;
@@ -525,11 +525,11 @@ static int ovs_packet_cmd_execute(struct sk_buff *skb, struct genl_info *info)
if (IS_ERR(flow))
goto err_kfree_skb;
- err = ovs_flow_extract(packet, -1, &flow->key);
+ err = ovs_flow_extract(packet, -1, &flow->flow.key);
if (err)
goto err_flow_free;
- err = ovs_nla_get_flow_metadata(flow, a[OVS_PACKET_ATTR_KEY]);
+ err = ovs_nla_get_flow_metadata(&flow->flow, a[OVS_PACKET_ATTR_KEY]);
if (err)
goto err_flow_free;
acts = ovs_nla_alloc_flow_actions(nla_len(a[OVS_PACKET_ATTR_ACTIONS]));
@@ -538,15 +538,15 @@ static int ovs_packet_cmd_execute(struct sk_buff *skb, struct genl_info *info)
goto err_flow_free;
err = ovs_nla_copy_actions(a[OVS_PACKET_ATTR_ACTIONS],
- &flow->key, 0, &acts);
+ &flow->flow.key, 0, &acts);
rcu_assign_pointer(flow->sf_acts, acts);
if (err)
goto err_flow_free;
OVS_CB(packet)->flow = flow;
- OVS_CB(packet)->pkt_key = &flow->key;
- packet->priority = flow->key.phy.priority;
- packet->mark = flow->key.phy.skb_mark;
+ OVS_CB(packet)->pkt_key = &flow->flow.key;
+ packet->priority = flow->flow.key.phy.priority;
+ packet->mark = flow->flow.key.phy.skb_mark;
rcu_read_lock();
dp = get_dp(sock_net(skb->sk), ovs_header->dp_ifindex);
@@ -649,7 +649,7 @@ static size_t ovs_flow_cmd_msg_size(const struct sw_flow_actions *acts)
}
/* Called with ovs_mutex. */
-static int ovs_flow_cmd_fill_info(struct sw_flow *flow, struct datapath *dp,
+static int ovs_flow_cmd_fill_info(struct ovs_flow *flow, struct datapath *dp,
struct sk_buff *skb, u32 portid,
u32 seq, u32 flags, u8 cmd)
{
@@ -673,7 +673,8 @@ static int ovs_flow_cmd_fill_info(struct sw_flow *flow, struct datapath *dp,
if (!nla)
goto nla_put_failure;
- err = ovs_nla_put_flow(&flow->unmasked_key, &flow->unmasked_key, skb);
+ err = ovs_nla_put_flow(&flow->flow.unmasked_key,
+ &flow->flow.unmasked_key, skb);
if (err)
goto error;
nla_nest_end(skb, nla);
@@ -682,7 +683,7 @@ static int ovs_flow_cmd_fill_info(struct sw_flow *flow, struct datapath *dp,
if (!nla)
goto nla_put_failure;
- err = ovs_nla_put_flow(&flow->key, &flow->mask->key, skb);
+ err = ovs_nla_put_flow(&flow->flow.key, &flow->flow.mask->key, skb);
if (err)
goto error;
@@ -739,7 +740,7 @@ error:
return err;
}
-static struct sk_buff *ovs_flow_cmd_alloc_info(struct sw_flow *flow,
+static struct sk_buff *ovs_flow_cmd_alloc_info(struct ovs_flow *flow,
struct genl_info *info)
{
size_t len;
@@ -749,7 +750,7 @@ static struct sk_buff *ovs_flow_cmd_alloc_info(struct sw_flow *flow,
return genlmsg_new_unicast(len, info, GFP_KERNEL);
}
-static struct sk_buff *ovs_flow_cmd_build_info(struct sw_flow *flow,
+static struct sk_buff *ovs_flow_cmd_build_info(struct ovs_flow *flow,
struct datapath *dp,
struct genl_info *info,
u8 cmd)
@@ -772,12 +773,12 @@ static int ovs_flow_cmd_new_or_set(struct sk_buff *skb, struct genl_info *info)
struct nlattr **a = info->attrs;
struct ovs_header *ovs_header = info->userhdr;
struct sw_flow_key key, masked_key;
- struct sw_flow *flow = NULL;
+ struct ovs_flow *flow = NULL;
struct sw_flow_mask mask;
struct sk_buff *reply;
struct datapath *dp;
struct sw_flow_actions *acts = NULL;
- struct sw_flow_match match;
+ struct ovs_flow_match match;
bool exact_5tuple;
int error;
@@ -832,8 +833,8 @@ static int ovs_flow_cmd_new_or_set(struct sk_buff *skb, struct genl_info *info)
goto err_unlock_ovs;
}
- flow->key = masked_key;
- flow->unmasked_key = key;
+ flow->flow.key = masked_key;
+ flow->flow.unmasked_key = key;
rcu_assign_pointer(flow->sf_acts, acts);
/* Put flow in bucket. */
@@ -899,9 +900,9 @@ static int ovs_flow_cmd_get(struct sk_buff *skb, struct genl_info *info)
struct ovs_header *ovs_header = info->userhdr;
struct sw_flow_key key;
struct sk_buff *reply;
- struct sw_flow *flow;
+ struct ovs_flow *flow;
struct datapath *dp;
- struct sw_flow_match match;
+ struct ovs_flow_match match;
int err;
if (!a[OVS_FLOW_ATTR_KEY]) {
@@ -946,9 +947,9 @@ static int ovs_flow_cmd_del(struct sk_buff *skb, struct genl_info *info)
struct ovs_header *ovs_header = info->userhdr;
struct sw_flow_key key;
struct sk_buff *reply;
- struct sw_flow *flow;
+ struct ovs_flow *flow;
struct datapath *dp;
- struct sw_flow_match match;
+ struct ovs_flow_match match;
int err;
ovs_lock();
@@ -1011,7 +1012,7 @@ static int ovs_flow_cmd_dump(struct sk_buff *skb, struct netlink_callback *cb)
ti = rcu_dereference(dp->table.ti);
for (;;) {
- struct sw_flow *flow;
+ struct ovs_flow *flow;
u32 bucket, obj;
bucket = cb->args[0];
diff --git a/net/openvswitch/datapath.h b/net/openvswitch/datapath.h
index 0531738..5388cac 100644
--- a/net/openvswitch/datapath.h
+++ b/net/openvswitch/datapath.h
@@ -100,9 +100,9 @@ struct datapath {
* packet is not being tunneled.
*/
struct ovs_skb_cb {
- struct sw_flow *flow;
+ struct ovs_flow *flow;
struct sw_flow_key *pkt_key;
- struct ovs_key_ipv4_tunnel *tun_key;
+ struct sw_flow_key_ipv4_tunnel *tun_key;
};
#define OVS_CB(skb) ((struct ovs_skb_cb *)(skb)->cb)
diff --git a/net/openvswitch/flow.c b/net/openvswitch/flow.c
index dda451f..e0c326a 100644
--- a/net/openvswitch/flow.c
+++ b/net/openvswitch/flow.c
@@ -61,7 +61,7 @@ u64 ovs_flow_used_time(unsigned long flow_jiffies)
#define TCP_FLAGS_BE16(tp) (*(__be16 *)&tcp_flag_word(tp) & htons(0x0FFF))
-void ovs_flow_stats_update(struct sw_flow *flow, struct sk_buff *skb)
+void ovs_flow_stats_update(struct ovs_flow *flow, struct sk_buff *skb)
{
struct flow_stats *stats;
__be16 tcp_flags = 0;
@@ -71,10 +71,10 @@ void ovs_flow_stats_update(struct sw_flow *flow, struct sk_buff *skb)
else
stats = this_cpu_ptr(flow->stats.cpu_stats);
- if ((flow->key.eth.type == htons(ETH_P_IP) ||
- flow->key.eth.type == htons(ETH_P_IPV6)) &&
- flow->key.ip.frag != OVS_FRAG_TYPE_LATER &&
- flow->key.ip.proto == IPPROTO_TCP &&
+ if ((flow->flow.key.eth.type == htons(ETH_P_IP) ||
+ flow->flow.key.eth.type == htons(ETH_P_IPV6)) &&
+ flow->flow.key.ip.frag != OVS_FRAG_TYPE_LATER &&
+ flow->flow.key.ip.proto == IPPROTO_TCP &&
likely(skb->len >= skb_transport_offset(skb) + sizeof(struct tcphdr))) {
tcp_flags = TCP_FLAGS_BE16(tcp_hdr(skb));
}
@@ -100,7 +100,7 @@ static void stats_read(struct flow_stats *stats,
spin_unlock(&stats->lock);
}
-void ovs_flow_stats_get(struct sw_flow *flow, struct ovs_flow_stats *ovs_stats,
+void ovs_flow_stats_get(struct ovs_flow *flow, struct ovs_flow_stats *ovs_stats,
unsigned long *used, __be16 *tcp_flags)
{
int cpu, cur_cpu;
@@ -139,7 +139,7 @@ static void stats_reset(struct flow_stats *stats)
spin_unlock(&stats->lock);
}
-void ovs_flow_stats_clear(struct sw_flow *flow)
+void ovs_flow_stats_clear(struct ovs_flow *flow)
{
int cpu, cur_cpu;
diff --git a/net/openvswitch/flow.h b/net/openvswitch/flow.h
index 2d770e2..1ece896 100644
--- a/net/openvswitch/flow.h
+++ b/net/openvswitch/flow.h
@@ -32,24 +32,16 @@
#include <linux/time.h>
#include <linux/flex_array.h>
#include <net/inet_ecn.h>
+#include <linux/sw_flow.h>
struct sk_buff;
-/* Used to memset ovs_key_ipv4_tunnel padding. */
+/* Used to memset sw_flow_key_ipv4_tunnel padding. */
#define OVS_TUNNEL_KEY_SIZE \
- (offsetof(struct ovs_key_ipv4_tunnel, ipv4_ttl) + \
- FIELD_SIZEOF(struct ovs_key_ipv4_tunnel, ipv4_ttl))
-
-struct ovs_key_ipv4_tunnel {
- __be64 tun_id;
- __be32 ipv4_src;
- __be32 ipv4_dst;
- __be16 tun_flags;
- u8 ipv4_tos;
- u8 ipv4_ttl;
-};
+ (offsetof(struct sw_flow_key_ipv4_tunnel, ipv4_ttl) + \
+ FIELD_SIZEOF(struct sw_flow_key_ipv4_tunnel, ipv4_ttl))
-static inline void ovs_flow_tun_key_init(struct ovs_key_ipv4_tunnel *tun_key,
+static inline void ovs_flow_tun_key_init(struct sw_flow_key_ipv4_tunnel *tun_key,
const struct iphdr *iph, __be64 tun_id,
__be16 tun_flags)
{
@@ -65,77 +57,28 @@ static inline void ovs_flow_tun_key_init(struct ovs_key_ipv4_tunnel *tun_key,
sizeof(*tun_key) - OVS_TUNNEL_KEY_SIZE);
}
-struct sw_flow_key {
- struct ovs_key_ipv4_tunnel tun_key; /* Encapsulating tunnel key. */
- struct {
- u32 priority; /* Packet QoS priority. */
- u32 skb_mark; /* SKB mark. */
- u16 in_port; /* Input switch port (or DP_MAX_PORTS). */
- } phy;
- struct {
- u8 src[ETH_ALEN]; /* Ethernet source address. */
- u8 dst[ETH_ALEN]; /* Ethernet destination address. */
- __be16 tci; /* 0 if no VLAN, VLAN_TAG_PRESENT set otherwise. */
- __be16 type; /* Ethernet frame type. */
- } eth;
- struct {
- u8 proto; /* IP protocol or lower 8 bits of ARP opcode. */
- u8 tos; /* IP ToS. */
- u8 ttl; /* IP TTL/hop limit. */
- u8 frag; /* One of OVS_FRAG_TYPE_*. */
- } ip;
- union {
- struct {
- struct {
- __be32 src; /* IP source address. */
- __be32 dst; /* IP destination address. */
- } addr;
- union {
- struct {
- __be16 src; /* TCP/UDP/SCTP source port. */
- __be16 dst; /* TCP/UDP/SCTP destination port. */
- __be16 flags; /* TCP flags. */
- } tp;
- struct {
- u8 sha[ETH_ALEN]; /* ARP source hardware address. */
- u8 tha[ETH_ALEN]; /* ARP target hardware address. */
- } arp;
- };
- } ipv4;
- struct {
- struct {
- struct in6_addr src; /* IPv6 source address. */
- struct in6_addr dst; /* IPv6 destination address. */
- } addr;
- __be32 label; /* IPv6 flow label. */
- struct {
- __be16 src; /* TCP/UDP/SCTP source port. */
- __be16 dst; /* TCP/UDP/SCTP destination port. */
- __be16 flags; /* TCP flags. */
- } tp;
- struct {
- struct in6_addr target; /* ND target address. */
- u8 sll[ETH_ALEN]; /* ND source link layer address. */
- u8 tll[ETH_ALEN]; /* ND target link layer address. */
- } nd;
- } ipv6;
- };
-} __aligned(BITS_PER_LONG/8); /* Ensure that we can do comparisons as longs. */
+struct arp_eth_header {
+ __be16 ar_hrd; /* format of hardware address */
+ __be16 ar_pro; /* format of protocol address */
+ unsigned char ar_hln; /* length of hardware address */
+ unsigned char ar_pln; /* length of protocol address */
+ __be16 ar_op; /* ARP opcode (command) */
-struct sw_flow_key_range {
- unsigned short int start;
- unsigned short int end;
-};
+ /* Ethernet+IPv4 specific members. */
+ unsigned char ar_sha[ETH_ALEN]; /* sender hardware address */
+ unsigned char ar_sip[4]; /* sender IP address */
+ unsigned char ar_tha[ETH_ALEN]; /* target hardware address */
+ unsigned char ar_tip[4]; /* target IP address */
+} __packed;
-struct sw_flow_mask {
+struct ovs_flow_mask {
int ref_count;
struct rcu_head rcu;
struct list_head list;
- struct sw_flow_key_range range;
- struct sw_flow_key key;
+ struct sw_flow_mask mask;
};
-struct sw_flow_match {
+struct ovs_flow_match {
struct sw_flow_key *key;
struct sw_flow_key_range range;
struct sw_flow_mask *mask;
@@ -163,36 +106,20 @@ struct sw_flow_stats {
};
};
-struct sw_flow {
+struct ovs_flow {
struct rcu_head rcu;
struct hlist_node hash_node[2];
u32 hash;
- struct sw_flow_key key;
- struct sw_flow_key unmasked_key;
- struct sw_flow_mask *mask;
+ struct sw_flow flow;
struct sw_flow_actions __rcu *sf_acts;
struct sw_flow_stats stats;
};
-struct arp_eth_header {
- __be16 ar_hrd; /* format of hardware address */
- __be16 ar_pro; /* format of protocol address */
- unsigned char ar_hln; /* length of hardware address */
- unsigned char ar_pln; /* length of protocol address */
- __be16 ar_op; /* ARP opcode (command) */
-
- /* Ethernet+IPv4 specific members. */
- unsigned char ar_sha[ETH_ALEN]; /* sender hardware address */
- unsigned char ar_sip[4]; /* sender IP address */
- unsigned char ar_tha[ETH_ALEN]; /* target hardware address */
- unsigned char ar_tip[4]; /* target IP address */
-} __packed;
-
-void ovs_flow_stats_update(struct sw_flow *flow, struct sk_buff *skb);
-void ovs_flow_stats_get(struct sw_flow *flow, struct ovs_flow_stats *stats,
+void ovs_flow_stats_update(struct ovs_flow *flow, struct sk_buff *skb);
+void ovs_flow_stats_get(struct ovs_flow *flow, struct ovs_flow_stats *stats,
unsigned long *used, __be16 *tcp_flags);
-void ovs_flow_stats_clear(struct sw_flow *flow);
+void ovs_flow_stats_clear(struct ovs_flow *flow);
u64 ovs_flow_used_time(unsigned long flow_jiffies);
int ovs_flow_extract(struct sk_buff *, u16 in_port, struct sw_flow_key *);
diff --git a/net/openvswitch/flow_netlink.c b/net/openvswitch/flow_netlink.c
index 4d000ac..179ab98 100644
--- a/net/openvswitch/flow_netlink.c
+++ b/net/openvswitch/flow_netlink.c
@@ -46,7 +46,7 @@
#include "flow_netlink.h"
-static void update_range__(struct sw_flow_match *match,
+static void update_range__(struct ovs_flow_match *match,
size_t offset, size_t size, bool is_mask)
{
struct sw_flow_key_range *range = NULL;
@@ -103,7 +103,7 @@ static u16 range_n_bytes(const struct sw_flow_key_range *range)
return range->end - range->start;
}
-static bool match_validate(const struct sw_flow_match *match,
+static bool match_validate(const struct ovs_flow_match *match,
u64 key_attrs, u64 mask_attrs)
{
u64 key_expected = 1 << OVS_KEY_ATTR_ETHERNET;
@@ -339,7 +339,7 @@ static int parse_flow_nlattrs(const struct nlattr *attr,
}
static int ipv4_tun_from_nlattr(const struct nlattr *attr,
- struct sw_flow_match *match, bool is_mask)
+ struct ovs_flow_match *match, bool is_mask)
{
struct nlattr *a;
int rem;
@@ -428,8 +428,8 @@ static int ipv4_tun_from_nlattr(const struct nlattr *attr,
}
static int ipv4_tun_to_nlattr(struct sk_buff *skb,
- const struct ovs_key_ipv4_tunnel *tun_key,
- const struct ovs_key_ipv4_tunnel *output)
+ const struct sw_flow_key_ipv4_tunnel *tun_key,
+ const struct sw_flow_key_ipv4_tunnel *output)
{
struct nlattr *nla;
@@ -463,7 +463,7 @@ static int ipv4_tun_to_nlattr(struct sk_buff *skb,
}
-static int metadata_from_nlattrs(struct sw_flow_match *match, u64 *attrs,
+static int metadata_from_nlattrs(struct ovs_flow_match *match, u64 *attrs,
const struct nlattr **a, bool is_mask)
{
if (*attrs & (1 << OVS_KEY_ATTR_PRIORITY)) {
@@ -501,7 +501,7 @@ static int metadata_from_nlattrs(struct sw_flow_match *match, u64 *attrs,
return 0;
}
-static int ovs_key_from_nlattrs(struct sw_flow_match *match, bool *exact_5tuple,
+static int ovs_key_from_nlattrs(struct ovs_flow_match *match, bool *exact_5tuple,
u64 attrs, const struct nlattr **a,
bool is_mask)
{
@@ -799,7 +799,7 @@ static void sw_flow_mask_set(struct sw_flow_mask *mask,
* @mask: Optional. Netlink attribute holding nested %OVS_KEY_ATTR_* Netlink
* attribute specifies the mask field of the wildcarded flow.
*/
-int ovs_nla_get_match(struct sw_flow_match *match,
+int ovs_nla_get_match(struct ovs_flow_match *match,
bool *exact_5tuple,
const struct nlattr *key,
const struct nlattr *mask)
@@ -922,11 +922,11 @@ int ovs_nla_get_match(struct sw_flow_match *match,
int ovs_nla_get_flow_metadata(struct sw_flow *flow,
const struct nlattr *attr)
{
- struct ovs_key_ipv4_tunnel *tun_key = &flow->key.tun_key;
+ struct sw_flow_key_ipv4_tunnel *tun_key = &flow->key.tun_key;
const struct nlattr *a[OVS_KEY_ATTR_MAX + 1];
u64 attrs = 0;
int err;
- struct sw_flow_match match;
+ struct ovs_flow_match match;
flow->key.phy.in_port = DP_MAX_PORTS;
flow->key.phy.priority = 0;
@@ -1320,7 +1320,7 @@ static int validate_tp_port(const struct sw_flow_key *flow_key)
return -EINVAL;
}
-void ovs_match_init(struct sw_flow_match *match,
+void ovs_match_init(struct ovs_flow_match *match,
struct sw_flow_key *key,
struct sw_flow_mask *mask)
{
@@ -1339,7 +1339,7 @@ void ovs_match_init(struct sw_flow_match *match,
static int validate_and_copy_set_tun(const struct nlattr *attr,
struct sw_flow_actions **sfa)
{
- struct sw_flow_match match;
+ struct ovs_flow_match match;
struct sw_flow_key key;
int err, start;
diff --git a/net/openvswitch/flow_netlink.h b/net/openvswitch/flow_netlink.h
index b31fbe2..f223929 100644
--- a/net/openvswitch/flow_netlink.h
+++ b/net/openvswitch/flow_netlink.h
@@ -37,14 +37,14 @@
#include "flow.h"
-void ovs_match_init(struct sw_flow_match *match,
+void ovs_match_init(struct ovs_flow_match *match,
struct sw_flow_key *key, struct sw_flow_mask *mask);
int ovs_nla_put_flow(const struct sw_flow_key *,
const struct sw_flow_key *, struct sk_buff *);
int ovs_nla_get_flow_metadata(struct sw_flow *flow,
const struct nlattr *attr);
-int ovs_nla_get_match(struct sw_flow_match *match,
+int ovs_nla_get_match(struct ovs_flow_match *match,
bool *exact_5tuple,
const struct nlattr *,
const struct nlattr *);
diff --git a/net/openvswitch/flow_table.c b/net/openvswitch/flow_table.c
index 3c268b3..053ece9 100644
--- a/net/openvswitch/flow_table.c
+++ b/net/openvswitch/flow_table.c
@@ -70,9 +70,9 @@ void ovs_flow_mask_key(struct sw_flow_key *dst, const struct sw_flow_key *src,
*d++ = *s++ & *m++;
}
-struct sw_flow *ovs_flow_alloc(bool percpu_stats)
+struct ovs_flow *ovs_flow_alloc(bool percpu_stats)
{
- struct sw_flow *flow;
+ struct ovs_flow *flow;
int cpu;
flow = kmem_cache_alloc(flow_cache, GFP_KERNEL);
@@ -80,7 +80,7 @@ struct sw_flow *ovs_flow_alloc(bool percpu_stats)
return ERR_PTR(-ENOMEM);
flow->sf_acts = NULL;
- flow->mask = NULL;
+ flow->flow.mask = NULL;
flow->stats.is_percpu = percpu_stats;
@@ -136,7 +136,7 @@ static struct flex_array *alloc_buckets(unsigned int n_buckets)
return buckets;
}
-static void flow_free(struct sw_flow *flow)
+static void flow_free(struct ovs_flow *flow)
{
kfree((struct sf_flow_acts __force *)flow->sf_acts);
if (flow->stats.is_percpu)
@@ -148,18 +148,20 @@ static void flow_free(struct sw_flow *flow)
static void rcu_free_flow_callback(struct rcu_head *rcu)
{
- struct sw_flow *flow = container_of(rcu, struct sw_flow, rcu);
+ struct ovs_flow *flow = container_of(rcu, struct ovs_flow, rcu);
flow_free(flow);
}
-void ovs_flow_free(struct sw_flow *flow, bool deferred)
+void ovs_flow_free(struct ovs_flow *flow, bool deferred)
{
if (!flow)
return;
- if (flow->mask) {
- struct sw_flow_mask *mask = flow->mask;
+ if (flow->flow.mask) {
+ struct ovs_flow_mask *mask = container_of(flow->flow.mask,
+ struct ovs_flow_mask,
+ mask);
/* ovs-lock is required to protect mask-refcount and
* mask list.
@@ -250,7 +252,7 @@ static void table_instance_destroy(struct table_instance *ti, bool deferred)
goto skip_flows;
for (i = 0; i < ti->n_buckets; i++) {
- struct sw_flow *flow;
+ struct ovs_flow *flow;
struct hlist_head *head = flex_array_get(ti->buckets, i);
struct hlist_node *n;
int ver = ti->node_ver;
@@ -275,10 +277,10 @@ void ovs_flow_tbl_destroy(struct flow_table *table, bool deferred)
table_instance_destroy(ti, deferred);
}
-struct sw_flow *ovs_flow_tbl_dump_next(struct table_instance *ti,
+struct ovs_flow *ovs_flow_tbl_dump_next(struct table_instance *ti,
u32 *bucket, u32 *last)
{
- struct sw_flow *flow;
+ struct ovs_flow *flow;
struct hlist_head *head;
int ver;
int i;
@@ -309,7 +311,8 @@ static struct hlist_head *find_bucket(struct table_instance *ti, u32 hash)
(hash & (ti->n_buckets - 1)));
}
-static void table_instance_insert(struct table_instance *ti, struct sw_flow *flow)
+static void table_instance_insert(struct table_instance *ti,
+ struct ovs_flow *flow)
{
struct hlist_head *head;
@@ -328,7 +331,7 @@ static void flow_table_copy_flows(struct table_instance *old,
/* Insert in new table. */
for (i = 0; i < old->n_buckets; i++) {
- struct sw_flow *flow;
+ struct ovs_flow *flow;
struct hlist_head *head;
head = flex_array_get(old->buckets, i);
@@ -415,21 +418,21 @@ static bool flow_cmp_masked_key(const struct sw_flow *flow,
return cmp_key(&flow->key, key, key_start, key_end);
}
-bool ovs_flow_cmp_unmasked_key(const struct sw_flow *flow,
- struct sw_flow_match *match)
+bool ovs_flow_cmp_unmasked_key(const struct ovs_flow *flow,
+ struct ovs_flow_match *match)
{
struct sw_flow_key *key = match->key;
int key_start = flow_key_start(key);
int key_end = match->range.end;
- return cmp_key(&flow->unmasked_key, key, key_start, key_end);
+ return cmp_key(&flow->flow.unmasked_key, key, key_start, key_end);
}
-static struct sw_flow *masked_flow_lookup(struct table_instance *ti,
- const struct sw_flow_key *unmasked,
- struct sw_flow_mask *mask)
+static struct ovs_flow *masked_flow_lookup(struct table_instance *ti,
+ const struct sw_flow_key *unmasked,
+ struct sw_flow_mask *mask)
{
- struct sw_flow *flow;
+ struct ovs_flow *flow;
struct hlist_head *head;
int key_start = mask->range.start;
int key_end = mask->range.end;
@@ -440,34 +443,34 @@ static struct sw_flow *masked_flow_lookup(struct table_instance *ti,
hash = flow_hash(&masked_key, key_start, key_end);
head = find_bucket(ti, hash);
hlist_for_each_entry_rcu(flow, head, hash_node[ti->node_ver]) {
- if (flow->mask == mask && flow->hash == hash &&
- flow_cmp_masked_key(flow, &masked_key,
+ if (flow->flow.mask == mask && flow->hash == hash &&
+ flow_cmp_masked_key(&flow->flow, &masked_key,
key_start, key_end))
return flow;
}
return NULL;
}
-struct sw_flow *ovs_flow_tbl_lookup_stats(struct flow_table *tbl,
- const struct sw_flow_key *key,
- u32 *n_mask_hit)
+struct ovs_flow *ovs_flow_tbl_lookup_stats(struct flow_table *tbl,
+ const struct sw_flow_key *key,
+ u32 *n_mask_hit)
{
struct table_instance *ti = rcu_dereference_ovsl(tbl->ti);
- struct sw_flow_mask *mask;
- struct sw_flow *flow;
+ struct ovs_flow_mask *mask;
+ struct ovs_flow *flow;
*n_mask_hit = 0;
list_for_each_entry_rcu(mask, &tbl->mask_list, list) {
(*n_mask_hit)++;
- flow = masked_flow_lookup(ti, key, mask);
+ flow = masked_flow_lookup(ti, key, &mask->mask);
if (flow) /* Found */
return flow;
}
return NULL;
}
-struct sw_flow *ovs_flow_tbl_lookup(struct flow_table *tbl,
- const struct sw_flow_key *key)
+struct ovs_flow *ovs_flow_tbl_lookup(struct flow_table *tbl,
+ const struct sw_flow_key *key)
{
u32 __always_unused n_mask_hit;
@@ -476,7 +479,7 @@ struct sw_flow *ovs_flow_tbl_lookup(struct flow_table *tbl,
int ovs_flow_tbl_num_masks(const struct flow_table *table)
{
- struct sw_flow_mask *mask;
+ struct ovs_flow_mask *mask;
int num = 0;
list_for_each_entry(mask, &table->mask_list, list)
@@ -490,7 +493,7 @@ static struct table_instance *table_instance_expand(struct table_instance *ti)
return table_instance_rehash(ti, ti->n_buckets * 2);
}
-void ovs_flow_tbl_remove(struct flow_table *table, struct sw_flow *flow)
+void ovs_flow_tbl_remove(struct flow_table *table, struct ovs_flow *flow)
{
struct table_instance *ti = ovsl_dereference(table->ti);
@@ -499,9 +502,9 @@ void ovs_flow_tbl_remove(struct flow_table *table, struct sw_flow *flow)
table->count--;
}
-static struct sw_flow_mask *mask_alloc(void)
+static struct ovs_flow_mask *mask_alloc(void)
{
- struct sw_flow_mask *mask;
+ struct ovs_flow_mask *mask;
mask = kmalloc(sizeof(*mask), GFP_KERNEL);
if (mask)
@@ -521,15 +524,15 @@ static bool mask_equal(const struct sw_flow_mask *a,
&& (memcmp(a_, b_, range_n_bytes(&a->range)) == 0);
}
-static struct sw_flow_mask *flow_mask_find(const struct flow_table *tbl,
- const struct sw_flow_mask *mask)
+static struct ovs_flow_mask *flow_mask_find(const struct flow_table *tbl,
+ const struct sw_flow_mask *mask)
{
struct list_head *ml;
list_for_each(ml, &tbl->mask_list) {
- struct sw_flow_mask *m;
- m = container_of(ml, struct sw_flow_mask, list);
- if (mask_equal(mask, m))
+ struct ovs_flow_mask *m;
+ m = container_of(ml, struct ovs_flow_mask, list);
+ if (mask_equal(mask, &m->mask))
return m;
}
@@ -537,29 +540,30 @@ static struct sw_flow_mask *flow_mask_find(const struct flow_table *tbl,
}
/* Add 'mask' into the mask list, if it is not already there. */
-static int flow_mask_insert(struct flow_table *tbl, struct sw_flow *flow,
+static int flow_mask_insert(struct flow_table *tbl, struct ovs_flow *flow,
struct sw_flow_mask *new)
{
- struct sw_flow_mask *mask;
+ struct ovs_flow_mask *mask;
+
mask = flow_mask_find(tbl, new);
if (!mask) {
/* Allocate a new mask if none exsits. */
mask = mask_alloc();
if (!mask)
return -ENOMEM;
- mask->key = new->key;
- mask->range = new->range;
+ mask->mask.key = new->key;
+ mask->mask.range = new->range;
list_add_rcu(&mask->list, &tbl->mask_list);
} else {
BUG_ON(!mask->ref_count);
mask->ref_count++;
}
- flow->mask = mask;
+ flow->flow.mask = &mask->mask;
return 0;
}
-int ovs_flow_tbl_insert(struct flow_table *table, struct sw_flow *flow,
+int ovs_flow_tbl_insert(struct flow_table *table, struct ovs_flow *flow,
struct sw_flow_mask *mask)
{
struct table_instance *new_ti = NULL;
@@ -570,8 +574,8 @@ int ovs_flow_tbl_insert(struct flow_table *table, struct sw_flow *flow,
if (err)
return err;
- flow->hash = flow_hash(&flow->key, flow->mask->range.start,
- flow->mask->range.end);
+ flow->hash = flow_hash(&flow->flow.key, flow->flow.mask->range.start,
+ flow->flow.mask->range.end);
ti = ovsl_dereference(table->ti);
table_instance_insert(ti, flow);
table->count++;
@@ -597,7 +601,7 @@ int ovs_flow_init(void)
BUILD_BUG_ON(__alignof__(struct sw_flow_key) % __alignof__(long));
BUILD_BUG_ON(sizeof(struct sw_flow_key) % sizeof(long));
- flow_cache = kmem_cache_create("sw_flow", sizeof(struct sw_flow), 0,
+ flow_cache = kmem_cache_create("ovs_flow", sizeof(struct ovs_flow), 0,
0, NULL);
if (flow_cache == NULL)
return -ENOMEM;
diff --git a/net/openvswitch/flow_table.h b/net/openvswitch/flow_table.h
index baaeb10..c6abd84 100644
--- a/net/openvswitch/flow_table.h
+++ b/net/openvswitch/flow_table.h
@@ -55,28 +55,28 @@ struct flow_table {
int ovs_flow_init(void);
void ovs_flow_exit(void);
-struct sw_flow *ovs_flow_alloc(bool percpu_stats);
-void ovs_flow_free(struct sw_flow *, bool deferred);
+struct ovs_flow *ovs_flow_alloc(bool percpu_stats);
+void ovs_flow_free(struct ovs_flow *, bool deferred);
int ovs_flow_tbl_init(struct flow_table *);
int ovs_flow_tbl_count(struct flow_table *table);
void ovs_flow_tbl_destroy(struct flow_table *table, bool deferred);
int ovs_flow_tbl_flush(struct flow_table *flow_table);
-int ovs_flow_tbl_insert(struct flow_table *table, struct sw_flow *flow,
+int ovs_flow_tbl_insert(struct flow_table *table, struct ovs_flow *flow,
struct sw_flow_mask *mask);
-void ovs_flow_tbl_remove(struct flow_table *table, struct sw_flow *flow);
+void ovs_flow_tbl_remove(struct flow_table *table, struct ovs_flow *flow);
int ovs_flow_tbl_num_masks(const struct flow_table *table);
-struct sw_flow *ovs_flow_tbl_dump_next(struct table_instance *table,
+struct ovs_flow *ovs_flow_tbl_dump_next(struct table_instance *table,
u32 *bucket, u32 *idx);
-struct sw_flow *ovs_flow_tbl_lookup_stats(struct flow_table *,
+struct ovs_flow *ovs_flow_tbl_lookup_stats(struct flow_table *,
const struct sw_flow_key *,
u32 *n_mask_hit);
-struct sw_flow *ovs_flow_tbl_lookup(struct flow_table *,
+struct ovs_flow *ovs_flow_tbl_lookup(struct flow_table *,
const struct sw_flow_key *);
-bool ovs_flow_cmp_unmasked_key(const struct sw_flow *flow,
- struct sw_flow_match *match);
+bool ovs_flow_cmp_unmasked_key(const struct ovs_flow *flow,
+ struct ovs_flow_match *match);
void ovs_flow_mask_key(struct sw_flow_key *dst, const struct sw_flow_key *src,
const struct sw_flow_mask *mask);
diff --git a/net/openvswitch/vport-gre.c b/net/openvswitch/vport-gre.c
index a3d6951..f940cbd 100644
--- a/net/openvswitch/vport-gre.c
+++ b/net/openvswitch/vport-gre.c
@@ -63,7 +63,7 @@ static __be16 filter_tnl_flags(__be16 flags)
static struct sk_buff *__build_header(struct sk_buff *skb,
int tunnel_hlen)
{
- const struct ovs_key_ipv4_tunnel *tun_key = OVS_CB(skb)->tun_key;
+ const struct sw_flow_key_ipv4_tunnel *tun_key = OVS_CB(skb)->tun_key;
struct tnl_ptk_info tpi;
skb = gre_handle_offloads(skb, !!(tun_key->tun_flags & TUNNEL_CSUM));
@@ -92,7 +92,7 @@ static __be64 key_to_tunnel_id(__be32 key, __be32 seq)
static int gre_rcv(struct sk_buff *skb,
const struct tnl_ptk_info *tpi)
{
- struct ovs_key_ipv4_tunnel tun_key;
+ struct sw_flow_key_ipv4_tunnel tun_key;
struct ovs_net *ovs_net;
struct vport *vport;
__be64 key;
diff --git a/net/openvswitch/vport-vxlan.c b/net/openvswitch/vport-vxlan.c
index e797a50..e0be18e 100644
--- a/net/openvswitch/vport-vxlan.c
+++ b/net/openvswitch/vport-vxlan.c
@@ -58,7 +58,7 @@ static inline struct vxlan_port *vxlan_vport(const struct vport *vport)
/* Called with rcu_read_lock and BH disabled. */
static void vxlan_rcv(struct vxlan_sock *vs, struct sk_buff *skb, __be32 vx_vni)
{
- struct ovs_key_ipv4_tunnel tun_key;
+ struct sw_flow_key_ipv4_tunnel tun_key;
struct vport *vport = vs->data;
struct iphdr *iph;
__be64 key;
diff --git a/net/openvswitch/vport.c b/net/openvswitch/vport.c
index 42c0f4a..81b083c 100644
--- a/net/openvswitch/vport.c
+++ b/net/openvswitch/vport.c
@@ -337,7 +337,7 @@ int ovs_vport_get_options(const struct vport *vport, struct sk_buff *skb)
* skb->data should point to the Ethernet header.
*/
void ovs_vport_receive(struct vport *vport, struct sk_buff *skb,
- struct ovs_key_ipv4_tunnel *tun_key)
+ struct sw_flow_key_ipv4_tunnel *tun_key)
{
struct pcpu_sw_netstats *stats;
diff --git a/net/openvswitch/vport.h b/net/openvswitch/vport.h
index d7e50a1..0979304 100644
--- a/net/openvswitch/vport.h
+++ b/net/openvswitch/vport.h
@@ -191,7 +191,7 @@ static inline struct vport *vport_from_priv(const void *priv)
}
void ovs_vport_receive(struct vport *, struct sk_buff *,
- struct ovs_key_ipv4_tunnel *);
+ struct sw_flow_key_ipv4_tunnel *);
/* List of statically compiled vport implementations. Don't forget to also
* add yours to the list at the top of vport.c. */
--
1.8.5.3
--
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