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Viewing changes to lib/odp-util.h

  • Committer: Package Import Robot
  • Author(s): James Page
  • Date: 2015-08-10 11:35:15 UTC
  • mfrom: (1.1.30)
  • Revision ID: package-import@ubuntu.com-20150810113515-575vj06oq29emxsn
Tags: 2.4.0~git20150810.97bab95-0ubuntu1
* New upstream snapshot from 2.4 branch:
  - d/*: Align any relevant packaging changes with upstream.
* d/*: wrap-and-sort.
* d/openvswitch-{common,vswitch}.install: Correct install location for
  bash completion files.
* d/tests/openflow.py: Explicitly use ovs-testcontroller as provided
  by 2.4.0 release.

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lib/odp-util.h
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/*
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 * Copyright (c) 2009, 2010, 2011, 2012, 2013 Nicira, Inc.
 
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 * Copyright (c) 2009, 2010, 2011, 2012, 2013, 2014, 2015 Nicira, Inc.
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 *
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 * Licensed under the Apache License, Version 2.0 (the "License");
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 * you may not use this file except in compliance with the License.
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#include <stddef.h>
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#include <stdint.h>
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#include <string.h>
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#include <linux/openvswitch.h>
 
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#include "flow.h"
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#include "hash.h"
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#include "hmap.h"
 
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#include "odp-netlink.h"
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#include "openflow/openflow.h"
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#include "util.h"
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struct ds;
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struct flow;
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struct flow_tnl;
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struct flow_wildcards;
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struct nlattr;
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struct ofpbuf;
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struct simap;
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    SPR(SLOW_BFD,        "bfd",        "Consists of BFD packets")       \
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    SPR(SLOW_LACP,       "lacp",       "Consists of LACP packets")      \
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    SPR(SLOW_STP,        "stp",        "Consists of STP packets")       \
 
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    SPR(SLOW_LLDP,       "lldp",       "Consists of LLDP packets")    \
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    SPR(SLOW_CONTROLLER, "controller",                                  \
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        "Sends \"packet-in\" messages to the OpenFlow controller")      \
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    SPR(SLOW_ACTION,     "action",                                      \
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#undef SPR
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};
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/* Mask of all slow_path_reasons. */
 
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enum {
 
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    SLOW_PATH_REASON_MASK = 0
 
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#define SPR(ENUM, STRING, EXPLANATION) | 1 << ENUM##_INDEX 
 
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    SLOW_PATH_REASONS
 
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#undef SPR
 
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};
 
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const char *slow_path_reason_to_explanation(enum slow_path_reason);
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#define ODPP_LOCAL ODP_PORT_C(OVSP_LOCAL)
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 *  - OVS_TUNNEL_KEY_ATTR_TTL            1    3      4      8
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 *  - OVS_TUNNEL_KEY_ATTR_DONT_FRAGMENT  0    --     4      4
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 *  - OVS_TUNNEL_KEY_ATTR_CSUM           0    --     4      4
 
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 *  - OVS_TUNNEL_KEY_ATTR_OAM            0    --     4      4
 
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 *  - OVS_TUNNEL_KEY_ATTR_GENEVE_OPTS    256  --     4      260
 
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 *  - OVS_TUNNEL_KEY_ATTR_VXLAN_OPTS     -    --     -      - (shared with _GENEVE_OPTS)
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 *  OVS_KEY_ATTR_IN_PORT                 4    --     4      8
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 *  OVS_KEY_ATTR_SKB_MARK                4    --     4      8
 
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 *  OVS_KEY_ATTR_DP_HASH                 4    --     4      8
 
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 *  OVS_KEY_ATTR_RECIRC_ID               4    --     4      8
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 *  OVS_KEY_ATTR_ETHERNET               12    --     4     16
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 *  OVS_KEY_ATTR_ETHERTYPE               2     2     4      8  (outer VLAN ethertype)
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 *  OVS_KEY_ATTR_8021Q                   4    --     4      8
 
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 *  OVS_KEY_ATTR_VLAN                    2     2     4      8
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 *  OVS_KEY_ATTR_ENCAP                   0    --     4      4  (VLAN encapsulation)
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 *  OVS_KEY_ATTR_ETHERTYPE               2     2     4      8  (inner VLAN ethertype)
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 *  OVS_KEY_ATTR_IPV6                   40    --     4     44
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 *  OVS_KEY_ATTR_ICMPV6                  2     2     4      8
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 *  OVS_KEY_ATTR_ND                     28    --     4     32
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 *  ----------------------------------------------------------
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 *  total                                                 208
 
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 *  total                                                 488
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 *
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 * We include some slack space in case the calculation isn't quite right or we
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 * add another field and forget to adjust this value.
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 */
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#define ODPUTIL_FLOW_KEY_BYTES 256
 
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#define ODPUTIL_FLOW_KEY_BYTES 512
 
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BUILD_ASSERT_DECL(FLOW_WC_SEQ == 31);
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/* A buffer with sufficient size and alignment to hold an nlattr-formatted flow
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 * key.  An array of "struct nlattr" might not, in theory, be sufficiently
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enum odp_key_fitness odp_tun_key_from_attr(const struct nlattr *,
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                                           struct flow_tnl *);
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int odp_ufid_from_string(const char *s_, ovs_u128 *ufid);
 
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void odp_format_ufid(const ovs_u128 *ufid, struct ds *);
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void odp_flow_format(const struct nlattr *key, size_t key_len,
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                     const struct nlattr *mask, size_t mask_len,
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                     const struct hmap *portno_names, struct ds *,
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                         struct ofpbuf *, struct ofpbuf *);
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void odp_flow_key_from_flow(struct ofpbuf *, const struct flow * flow,
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                            const struct flow *mask, odp_port_t odp_in_port);
 
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                            const struct flow *mask, odp_port_t odp_in_port,
 
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                            bool recirc);
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void odp_flow_key_from_mask(struct ofpbuf *, const struct flow *mask,
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                            const struct flow *flow, uint32_t odp_in_port,
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                            size_t max_mpls_depth);
 
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                            size_t max_mpls_depth, bool recirc);
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uint32_t odp_flow_key_hash(const struct nlattr *, size_t);
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void commit_odp_tunnel_action(const struct flow *, struct flow *base,
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                              struct ofpbuf *odp_actions);
 
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void commit_masked_set_action(struct ofpbuf *odp_actions,
 
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                              enum ovs_key_attr key_type, const void *key,
 
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                              const void *mask, size_t key_size);
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enum slow_path_reason commit_odp_actions(const struct flow *,
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                                         struct flow *base,
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                                         struct ofpbuf *odp_actions,
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                                         struct flow_wildcards *wc);
 
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                                         struct flow_wildcards *wc,
 
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                                         bool use_masked);
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/* ofproto-dpif interface.
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 *
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    } flow_sample;
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    struct {
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        uint16_t type;          /* USER_ACTION_COOKIE_IPFIX. */
 
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        uint16_t   type;            /* USER_ACTION_COOKIE_IPFIX. */
 
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        odp_port_t output_odp_port; /* The output odp port. */
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    } ipfix;
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};
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BUILD_ASSERT_DECL(sizeof(union user_action_cookie) == 16);
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size_t odp_put_userspace_action(uint32_t pid,
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                                const void *userdata, size_t userdata_size,
 
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                                odp_port_t tunnel_out_port,
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                                struct ofpbuf *odp_actions);
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void odp_put_tunnel_action(const struct flow_tnl *tunnel,
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                           struct ofpbuf *odp_actions);
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void odp_put_pkt_mark_action(const uint32_t pkt_mark,
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                             struct ofpbuf *odp_actions);
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void odp_put_tnl_push_action(struct ofpbuf *odp_actions,
 
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                             struct ovs_action_push_tnl *data);
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#endif /* odp-util.h */