X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=lib%2Fodp-util.c;h=2ed551d2af9c7a911c07a12e0a0870ae0edbb5c9;hb=cdee00f;hp=8367597b3d12c25d437ff457d2bbc7a3c1b19d94;hpb=7da6be985c6fc7f6b425f660501133f1118a73b5;p=openvswitch diff --git a/lib/odp-util.c b/lib/odp-util.c index 8367597b..2ed551d2 100644 --- a/lib/odp-util.c +++ b/lib/odp-util.c @@ -19,31 +19,20 @@ #include #include #include +#include "byte-order.h" #include "coverage.h" #include "dynamic-string.h" #include "flow.h" +#include "netlink.h" #include "packets.h" #include "timeval.h" #include "util.h" -union odp_action * -odp_actions_add(struct odp_actions *actions, uint16_t type) -{ - union odp_action *a; - size_t idx; - - idx = actions->n_actions++ & (MAX_ODP_ACTIONS - 1); - a = &actions->actions[idx]; - memset(a, 0, sizeof *a); - a->type = type; - return a; -} - void format_odp_flow_key(struct ds *ds, const struct odp_flow_key *key) { - ds_put_format(ds, "tun_id0x%08x in_port%d tci(", - key->tun_id, key->in_port); + ds_put_format(ds, "tun_id%#"PRIx32" in_port%d tci(", + ntohl(key->tun_id), key->in_port); if (key->dl_tci) { ds_put_format(ds, "vlan%"PRIu16",pcp%d", vlan_tci_to_vid(key->dl_tci), @@ -59,54 +48,114 @@ format_odp_flow_key(struct ds *ds, const struct odp_flow_key *key) ntohs(key->tp_src), ntohs(key->tp_dst)); } +int +odp_action_len(uint16_t type) +{ + if (type > ODPAT_MAX) { + return -1; + } + + switch ((enum odp_action_type) type) { + case ODPAT_OUTPUT: return 4; + case ODPAT_CONTROLLER: return 4; + case ODPAT_SET_DL_TCI: return 2; + case ODPAT_STRIP_VLAN: return 0; + case ODPAT_SET_DL_SRC: return ETH_ADDR_LEN; + case ODPAT_SET_DL_DST: return ETH_ADDR_LEN; + case ODPAT_SET_NW_SRC: return 4; + case ODPAT_SET_NW_DST: return 4; + case ODPAT_SET_NW_TOS: return 1; + case ODPAT_SET_TP_SRC: return 2; + case ODPAT_SET_TP_DST: return 2; + case ODPAT_SET_TUNNEL: return 4; + case ODPAT_SET_PRIORITY: return 4; + case ODPAT_POP_PRIORITY: return 0; + case ODPAT_DROP_SPOOFED_ARP: return 0; + + case ODPAT_UNSPEC: + case __ODPAT_MAX: + return -1; + } + + return -1; +} + +static void +format_generic_odp_action(struct ds *ds, const struct nlattr *a) +{ + ds_put_format(ds, "action%"PRId16, nl_attr_type(a)); + if (a->nla_len) { + const uint8_t *unspec; + unsigned int i; + + unspec = nl_attr_get(a); + for (i = 0; i < a->nla_len; i++) { + ds_put_char(ds, i ? ' ': '('); + ds_put_format(ds, "%02x", unspec[i]); + } + ds_put_char(ds, ')'); + } +} + void -format_odp_action(struct ds *ds, const union odp_action *a) +format_odp_action(struct ds *ds, const struct nlattr *a) { - switch (a->type) { + const uint8_t *eth; + ovs_be32 ip; + + if (nl_attr_get_size(a) != odp_action_len(a->nla_len)) { + ds_put_format(ds, "***bad action: length is %zu, expected %d*** ", + nl_attr_get_size(a), odp_action_len(a->nla_len)); + format_generic_odp_action(ds, a); + return; + } + + switch (nl_attr_type(a)) { case ODPAT_OUTPUT: - ds_put_format(ds, "%"PRIu16, a->output.port); + ds_put_format(ds, "%"PRIu16, nl_attr_get_u32(a)); break; case ODPAT_CONTROLLER: - ds_put_format(ds, "ctl(%"PRIu32")", a->controller.arg); + ds_put_format(ds, "ctl(%"PRIu32")", nl_attr_get_u32(a)); break; case ODPAT_SET_TUNNEL: - ds_put_format(ds, "set_tunnel(0x%08"PRIx32")", ntohl(a->tunnel.tun_id)); + ds_put_format(ds, "set_tunnel(%#"PRIx32")", + ntohl(nl_attr_get_be32(a))); break; case ODPAT_SET_DL_TCI: ds_put_format(ds, "set_tci(vid=%"PRIu16",pcp=%d)", - vlan_tci_to_vid(a->dl_tci.tci), - vlan_tci_to_pcp(a->dl_tci.tci)); + vlan_tci_to_vid(nl_attr_get_be16(a)), + vlan_tci_to_pcp(nl_attr_get_be16(a))); break; case ODPAT_STRIP_VLAN: ds_put_format(ds, "strip_vlan"); break; case ODPAT_SET_DL_SRC: - ds_put_format(ds, "set_dl_src("ETH_ADDR_FMT")", - ETH_ADDR_ARGS(a->dl_addr.dl_addr)); + eth = nl_attr_get_unspec(a, ETH_ADDR_LEN); + ds_put_format(ds, "set_dl_src("ETH_ADDR_FMT")", ETH_ADDR_ARGS(eth)); break; case ODPAT_SET_DL_DST: - ds_put_format(ds, "set_dl_dst("ETH_ADDR_FMT")", - ETH_ADDR_ARGS(a->dl_addr.dl_addr)); + eth = nl_attr_get_unspec(a, ETH_ADDR_LEN); + ds_put_format(ds, "set_dl_dst("ETH_ADDR_FMT")", ETH_ADDR_ARGS(eth)); break; case ODPAT_SET_NW_SRC: - ds_put_format(ds, "set_nw_src("IP_FMT")", - IP_ARGS(&a->nw_addr.nw_addr)); + ip = nl_attr_get_be32(a); + ds_put_format(ds, "set_nw_src("IP_FMT")", IP_ARGS(&ip)); break; case ODPAT_SET_NW_DST: - ds_put_format(ds, "set_nw_dst("IP_FMT")", - IP_ARGS(&a->nw_addr.nw_addr)); + ip = nl_attr_get_be32(a); + ds_put_format(ds, "set_nw_dst("IP_FMT")", IP_ARGS(&ip)); break; case ODPAT_SET_NW_TOS: - ds_put_format(ds, "set_nw_tos(%"PRIu8")", a->nw_tos.nw_tos); + ds_put_format(ds, "set_nw_tos(%"PRIu8")", nl_attr_get_u8(a)); break; case ODPAT_SET_TP_SRC: - ds_put_format(ds, "set_tp_src(%"PRIu16")", ntohs(a->tp_port.tp_port)); + ds_put_format(ds, "set_tp_src(%"PRIu16")", ntohs(nl_attr_get_be16(a))); break; case ODPAT_SET_TP_DST: - ds_put_format(ds, "set_tp_dst(%"PRIu16")", ntohs(a->tp_port.tp_port)); + ds_put_format(ds, "set_tp_dst(%"PRIu16")", ntohs(nl_attr_get_be16(a))); break; case ODPAT_SET_PRIORITY: - ds_put_format(ds, "set_priority(0x%"PRIx32")", a->priority.priority); + ds_put_format(ds, "set_priority(%#"PRIx32")", nl_attr_get_u32(a)); break; case ODPAT_POP_PRIORITY: ds_put_cstr(ds, "pop_priority"); @@ -115,23 +164,29 @@ format_odp_action(struct ds *ds, const union odp_action *a) ds_put_cstr(ds, "drop_spoofed_arp"); break; default: - ds_put_format(ds, "***bad action 0x%"PRIx16"***", a->type); + format_generic_odp_action(ds, a); break; } } void -format_odp_actions(struct ds *ds, const union odp_action *actions, - size_t n_actions) +format_odp_actions(struct ds *ds, const struct nlattr *actions, + unsigned int actions_len) { - size_t i; - for (i = 0; i < n_actions; i++) { - if (i) { - ds_put_char(ds, ','); + if (actions_len) { + const struct nlattr *a; + unsigned int left; + + NL_ATTR_FOR_EACH (a, left, actions, actions_len) { + if (a != actions) { + ds_put_char(ds, ','); + } + format_odp_action(ds, a); } - format_odp_action(ds, &actions[i]); - } - if (!n_actions) { + if (left) { + ds_put_format(ds, " ***%u leftover bytes***", left); + } + } else { ds_put_cstr(ds, "drop"); } } @@ -157,7 +212,7 @@ format_odp_flow(struct ds *ds, const struct odp_flow *f) ds_put_cstr(ds, ", "); format_odp_flow_stats(ds, &f->stats); ds_put_cstr(ds, ", actions:"); - format_odp_actions(ds, f->actions, f->n_actions); + format_odp_actions(ds, f->actions, f->actions_len); } void @@ -167,14 +222,7 @@ odp_flow_key_from_flow(struct odp_flow_key *key, const struct flow *flow) key->nw_src = flow->nw_src; key->nw_dst = flow->nw_dst; key->in_port = flow->in_port; - if (flow->dl_vlan == htons(OFP_VLAN_NONE)) { - key->dl_tci = htons(0); - } else { - uint16_t vid = flow->dl_vlan & htons(VLAN_VID_MASK); - uint16_t pcp = htons((flow->dl_vlan_pcp << VLAN_PCP_SHIFT) - & VLAN_PCP_MASK); - key->dl_tci = vid | pcp | htons(ODP_TCI_PRESENT); - } + key->dl_tci = flow->vlan_tci; key->dl_type = flow->dl_type; key->tp_src = flow->tp_src; key->tp_dst = flow->tp_dst; @@ -187,17 +235,12 @@ odp_flow_key_from_flow(struct odp_flow_key *key, const struct flow *flow) void odp_flow_key_to_flow(const struct odp_flow_key *key, struct flow *flow) { + memset(flow->regs, 0, sizeof flow->regs); flow->tun_id = key->tun_id; flow->nw_src = key->nw_src; flow->nw_dst = key->nw_dst; flow->in_port = key->in_port; - if (key->dl_tci) { - flow->dl_vlan = htons(vlan_tci_to_vid(key->dl_tci)); - flow->dl_vlan_pcp = vlan_tci_to_pcp(key->dl_tci); - } else { - flow->dl_vlan = htons(OFP_VLAN_NONE); - flow->dl_vlan_pcp = 0; - } + flow->vlan_tci = key->dl_tci; flow->dl_type = key->dl_type; flow->tp_src = key->tp_src; flow->tp_dst = key->tp_dst;