X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=lib%2Fodp-util.h;h=4379729256ad693d27f17db01686cc35471067d4;hb=8cdf0349740c3e1a73af9aa6209bb22be952cd37;hp=4020660b43998854214d289f8d66e1feed73ae75;hpb=18c43631587c68bcd8ce82fcdd6b27ed3d998071;p=sliver-openvswitch.git diff --git a/lib/odp-util.h b/lib/odp-util.h index 4020660b4..437972925 100644 --- a/lib/odp-util.h +++ b/lib/odp-util.h @@ -30,16 +30,16 @@ struct ds; struct flow; struct ofpbuf; -#define ODPP_NONE ((uint16_t) -1) +#define OVSP_NONE ((uint16_t) -1) static inline uint16_t ofp_port_to_odp_port(uint16_t ofp_port) { switch (ofp_port) { case OFPP_LOCAL: - return ODPP_LOCAL; + return OVSP_LOCAL; case OFPP_NONE: - return ODPP_NONE; + return OVSP_NONE; default: return ofp_port; } @@ -49,9 +49,9 @@ static inline uint16_t odp_port_to_ofp_port(uint16_t odp_port) { switch (odp_port) { - case ODPP_LOCAL: + case OVSP_LOCAL: return OFPP_LOCAL; - case ODPP_NONE: + case OVSP_NONE: return OFPP_NONE; default: return odp_port; @@ -68,31 +68,33 @@ void format_odp_actions(struct ds *, const struct nlattr *odp_actions, * * struct pad nl hdr total * ------ --- ------ ----- - * ODP_KEY_ATTR_TUN_ID 8 -- 4 12 - * ODP_KEY_ATTR_IN_PORT 4 -- 4 8 - * ODP_KEY_ATTR_ETHERNET 12 -- 4 16 - * ODP_KEY_ATTR_8021Q 4 -- 4 8 - * ODP_KEY_ATTR_ETHERTYPE 2 2 4 8 - * ODP_KEY_ATTR_IPV6 34 2 4 40 - * ODP_KEY_ATTR_ICMPV6 2 2 4 8 - * ODP_KEY_ATTR_ND 28 -- 4 32 + * OVS_KEY_ATTR_TUN_ID 8 -- 4 12 + * OVS_KEY_ATTR_IN_PORT 4 -- 4 8 + * OVS_KEY_ATTR_ETHERNET 12 -- 4 16 + * OVS_KEY_ATTR_8021Q 4 -- 4 8 + * OVS_KEY_ATTR_ETHERTYPE 2 2 4 8 + * OVS_KEY_ATTR_IPV6 34 2 4 40 + * OVS_KEY_ATTR_ICMPV6 2 2 4 8 + * OVS_KEY_ATTR_ND 28 -- 4 32 * ------------------------------------------------- * total 132 */ #define ODPUTIL_FLOW_KEY_BYTES 132 /* This is an imperfect sanity-check that ODPUTIL_FLOW_KEY_BYTES doesn't - * need to be updated, but will at least raise awareness when new ODP - * key types are added. */ -BUILD_ASSERT_DECL(__ODP_KEY_ATTR_MAX == 14); + * need to be updated, but will at least raise awareness when new OVS + * datapath key types are added. */ +BUILD_ASSERT_DECL(__OVS_KEY_ATTR_MAX == 14); -/* We allocate temporary on-stack buffers for flow keys as arrays of uint32_t - * to ensure proper 32-bit alignment for Netlink attributes. (An array of - * "struct nlattr" might not, in theory, be sufficiently aligned because it - * only contains 16-bit types.) */ -#define ODPUTIL_FLOW_KEY_U32S DIV_ROUND_UP(ODPUTIL_FLOW_KEY_BYTES, 4) +/* A buffer with sufficient size and alignment to hold an nlattr-formatted flow + * key. An array of "struct nlattr" might not, in theory, be sufficiently + * aligned because it only contains 16-bit types. */ +struct odputil_keybuf { + uint32_t keybuf[DIV_ROUND_UP(ODPUTIL_FLOW_KEY_BYTES, 4)]; +}; void odp_flow_key_format(const struct nlattr *, size_t, struct ds *); +int odp_flow_key_from_string(const char *s, struct ofpbuf *); void odp_flow_key_from_flow(struct ofpbuf *, const struct flow *); int odp_flow_key_to_flow(const struct nlattr *, size_t, struct flow *);