X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=utilities%2Fovs-dpctl.c;h=2389942ef1b7e56b11bcada924ec7174c302a362;hb=bbb8dee92d639331e8bd81823638267dcc895396;hp=2e326040b3388a5a8b119864bf088ded8e9a5781;hpb=733970eb4205bdf27f6e2310bf56fe9526b1927b;p=sliver-openvswitch.git diff --git a/utilities/ovs-dpctl.c b/utilities/ovs-dpctl.c index 2e326040b..2389942ef 100644 --- a/utilities/ovs-dpctl.c +++ b/utilities/ovs-dpctl.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 2008, 2009, 2010, 2011, 2012 Nicira, Inc. + * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013 Nicira, Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. @@ -16,7 +16,6 @@ #include #include -#include #include #include #include @@ -52,9 +51,15 @@ VLOG_DEFINE_THIS_MODULE(dpctl); -/* -s, --statistics: Print port statistics? */ +/* -s, --statistics: Print port/flow statistics? */ static bool print_statistics; +/* --clear: Reset existing statistics to zero when modifying a flow? */ +static bool zero_statistics; + +/* --may-create: Allow mod-flows command to create a new flow? */ +static bool may_create; + /* -m, --more: Output verbosity. * * So far only undocumented commands honor this option, so we don't document @@ -80,11 +85,14 @@ static void parse_options(int argc, char *argv[]) { enum { - OPT_DUMMY = UCHAR_MAX + 1, + OPT_CLEAR = UCHAR_MAX + 1, + OPT_MAY_CREATE, VLOG_OPTION_ENUMS }; - static struct option long_options[] = { + static const struct option long_options[] = { {"statistics", no_argument, NULL, 's'}, + {"clear", no_argument, NULL, OPT_CLEAR}, + {"may-create", no_argument, NULL, OPT_MAY_CREATE}, {"more", no_argument, NULL, 'm'}, {"timeout", required_argument, NULL, 't'}, {"help", no_argument, NULL, 'h'}, @@ -108,6 +116,14 @@ parse_options(int argc, char *argv[]) print_statistics = true; break; + case OPT_CLEAR: + zero_statistics = true; + break; + + case OPT_MAY_CREATE: + may_create = true; + break; + case 'm': verbosity++; break; @@ -155,14 +171,20 @@ usage(void) " show show basic info on all datapaths\n" " show DP... show basic info on each DP\n" " dump-flows DP display flows in DP\n" + " add-flow DP FLOW ACTIONS add FLOW with ACTIONS to DP\n" + " mod-flow DP FLOW ACTIONS change FLOW actions to ACTIONS in DP\n" + " del-flow DP FLOW delete FLOW from DP\n" " del-flows DP delete all flows from DP\n" "Each IFACE on add-dp, add-if, and set-if may be followed by\n" "comma-separated options. See ovs-dpctl(8) for syntax, or the\n" "Interface table in ovs-vswitchd.conf.db(5) for an options list.\n", program_name, program_name); vlog_usage(); - printf("\nOptions for show:\n" - " -s, --statistics print port statistics\n" + printf("\nOptions for show and mod-flow:\n" + " -s, --statistics print statistics for port or flow\n" + "\nOptions for mod-flow:\n" + " --may-create create flow if it doesn't exist\n" + " --clear reset existing stats to zero\n" "\nOther options:\n" " -t, --timeout=SECS give up after SECS seconds\n" " -h, --help display this help message\n" @@ -192,7 +214,7 @@ static int if_up(const char *netdev_name) retval = netdev_open(netdev_name, "system", &netdev); if (!retval) { - retval = netdev_turn_flags_on(netdev, NETDEV_UP, true); + retval = netdev_turn_flags_on(netdev, NETDEV_UP, NULL); netdev_close(netdev); } return retval; @@ -286,7 +308,7 @@ dpctl_add_if(int argc OVS_UNUSED, char *argv[]) char *save_ptr = NULL; struct netdev *netdev = NULL; struct smap args; - uint32_t port_no = UINT32_MAX; + odp_port_t port_no = ODPP_NONE; char *option; int error; @@ -313,7 +335,7 @@ dpctl_add_if(int argc OVS_UNUSED, char *argv[]) if (!strcmp(key, "type")) { type = value; } else if (!strcmp(key, "port_no")) { - port_no = atoi(value); + port_no = u32_to_odp(atoi(value)); } else if (!smap_add_once(&args, key, value)) { ovs_error(0, "duplicate \"%s\" option", key); } @@ -366,7 +388,7 @@ dpctl_set_if(int argc, char *argv[]) char *type = NULL; const char *name; struct smap args; - uint32_t port_no; + odp_port_t port_no; char *option; int error; @@ -419,7 +441,7 @@ dpctl_set_if(int argc, char *argv[]) failure = true; } } else if (!strcmp(key, "port_no")) { - if (port_no != atoi(value)) { + if (port_no != u32_to_odp(atoi(value))) { ovs_error(0, "%s: can't change port number from " "%"PRIu32" to %d", name, port_no, atoi(value)); @@ -454,7 +476,7 @@ next: } static bool -get_port_number(struct dpif *dpif, const char *name, uint32_t *port) +get_port_number(struct dpif *dpif, const char *name, odp_port_t *port) { struct dpif_port dpif_port; @@ -478,11 +500,11 @@ dpctl_del_if(int argc OVS_UNUSED, char *argv[]) run(parsed_dpif_open(argv[1], false, &dpif), "opening datapath"); for (i = 2; i < argc; i++) { const char *name = argv[i]; - uint32_t port; + odp_port_t port; int error; if (!name[strspn(name, "0123456789")]) { - port = atoi(name); + port = u32_to_odp(atoi(name)); } else if (!get_port_number(dpif, name, &port)) { failure = true; continue; @@ -568,13 +590,13 @@ show_dpif(struct dpif *dpif) free(nodes); } else { printf(", could not retrieve configuration (%s)", - strerror(error)); + ovs_strerror(error)); } smap_destroy(&config); netdev_close(netdev); } else { - printf(": open failed (%s)", strerror(error)); + printf(": open failed (%s)", ovs_strerror(error)); } putchar(')'); } @@ -586,12 +608,12 @@ show_dpif(struct dpif *dpif) error = netdev_open(dpif_port.name, dpif_port.type, &netdev); if (error) { - printf(", open failed (%s)", strerror(error)); + printf(", open failed (%s)", ovs_strerror(error)); continue; } error = netdev_get_stats(netdev, &s); if (error) { - printf(", could not retrieve stats (%s)", strerror(error)); + printf(", could not retrieve stats (%s)", ovs_strerror(error)); continue; } @@ -721,9 +743,11 @@ dpctl_dump_flows(int argc, char *argv[]) const struct nlattr *actions; struct dpif_flow_dump dump; const struct nlattr *key; + const struct nlattr *mask; size_t actions_len; struct dpif *dpif; size_t key_len; + size_t mask_len; struct ds ds; char *name; @@ -734,10 +758,12 @@ dpctl_dump_flows(int argc, char *argv[]) ds_init(&ds); dpif_flow_dump_start(&dump, dpif); while (dpif_flow_dump_next(&dump, &key, &key_len, + &mask, &mask_len, &actions, &actions_len, &stats)) { ds_clear(&ds); - odp_flow_key_format(key, key_len, &ds); + odp_flow_format(key, key_len, mask, mask_len, &ds); ds_put_cstr(&ds, ", "); + dpif_flow_stats_format(stats, &ds); ds_put_cstr(&ds, ", actions:"); format_odp_actions(&ds, actions, actions_len); @@ -748,6 +774,109 @@ dpctl_dump_flows(int argc, char *argv[]) dpif_close(dpif); } +static void +dpctl_put_flow(int argc, char *argv[], enum dpif_flow_put_flags flags) +{ + const char *key_s = argv[argc - 2]; + const char *actions_s = argv[argc - 1]; + struct dpif_flow_stats stats; + struct ofpbuf actions; + struct ofpbuf key; + struct ofpbuf mask; + struct dpif *dpif; + struct ds s; + char *dp_name; + + ds_init(&s); + ofpbuf_init(&key, 0); + ofpbuf_init(&mask, 0); + run(odp_flow_from_string(key_s, NULL, &key, &mask), "parsing flow key"); + + ofpbuf_init(&actions, 0); + run(odp_actions_from_string(actions_s, NULL, &actions), "parsing actions"); + + dp_name = argc == 4 ? xstrdup(argv[1]) : get_one_dp(); + run(parsed_dpif_open(dp_name, false, &dpif), "opening datapath"); + free(dp_name); + + run(dpif_flow_put(dpif, flags, + key.data, key.size, + mask.size == 0 ? NULL : mask.data, mask.size, + actions.data, actions.size, + print_statistics ? &stats : NULL), + "updating flow table"); + + ofpbuf_uninit(&key); + ofpbuf_uninit(&mask); + ofpbuf_uninit(&actions); + + if (print_statistics) { + struct ds s; + + ds_init(&s); + dpif_flow_stats_format(&stats, &s); + puts(ds_cstr(&s)); + ds_destroy(&s); + } +} + +static void +dpctl_add_flow(int argc, char *argv[]) +{ + dpctl_put_flow(argc, argv, DPIF_FP_CREATE); +} + +static void +dpctl_mod_flow(int argc OVS_UNUSED, char *argv[]) +{ + enum dpif_flow_put_flags flags; + + flags = DPIF_FP_MODIFY; + if (may_create) { + flags |= DPIF_FP_CREATE; + } + if (zero_statistics) { + flags |= DPIF_FP_ZERO_STATS; + } + + dpctl_put_flow(argc, argv, flags); +} + +static void +dpctl_del_flow(int argc, char *argv[]) +{ + const char *key_s = argv[argc - 1]; + struct dpif_flow_stats stats; + struct ofpbuf key; + struct ofpbuf mask; /* To be ignored. */ + struct dpif *dpif; + char *dp_name; + + ofpbuf_init(&key, 0); + ofpbuf_init(&mask, 0); + run(odp_flow_from_string(key_s, NULL, &key, &mask), "parsing flow key"); + + dp_name = argc == 2 ? xstrdup(argv[1]) : get_one_dp(); + run(parsed_dpif_open(dp_name, false, &dpif), "opening datapath"); + free(dp_name); + + run(dpif_flow_del(dpif, + key.data, key.size, + print_statistics ? &stats : NULL), "deleting flow"); + + ofpbuf_uninit(&key); + ofpbuf_uninit(&mask); + + if (print_statistics) { + struct ds s; + + ds_init(&s); + dpif_flow_stats_format(&stats, &s); + puts(ds_cstr(&s)); + ds_destroy(&s); + } +} + static void dpctl_del_flows(int argc, char *argv[]) { @@ -843,7 +972,7 @@ sort_output_actions__(struct nlattr *first, struct nlattr *end) size_t bytes = (uint8_t *) end - (uint8_t *) first; size_t n = bytes / NL_A_U32_SIZE; - assert(bytes % NL_A_U32_SIZE == 0); + ovs_assert(bytes % NL_A_U32_SIZE == 0); qsort(first, n, NL_A_U32_SIZE, compare_output_actions); } @@ -916,11 +1045,11 @@ dpctl_normalize_actions(int argc, char *argv[]) /* Parse flow key. */ ofpbuf_init(&keybuf, 0); - run(odp_flow_key_from_string(argv[1], &port_names, &keybuf), + run(odp_flow_from_string(argv[1], &port_names, &keybuf, NULL), "odp_flow_key_from_string"); ds_clear(&s); - odp_flow_key_format(keybuf.data, keybuf.size, &s); + odp_flow_format(keybuf.data, keybuf.size, NULL, 0, &s); printf("input flow: %s\n", ds_cstr(&s)); run(odp_flow_key_to_flow(keybuf.data, keybuf.size, &flow), @@ -940,14 +1069,13 @@ dpctl_normalize_actions(int argc, char *argv[]) hmap_init(&actions_per_flow); NL_ATTR_FOR_EACH (a, left, odp_actions.data, odp_actions.size) { - if (nl_attr_type(a) == OVS_ACTION_ATTR_POP_VLAN) { + const struct ovs_action_push_vlan *push; + switch(nl_attr_type(a)) { + case OVS_ACTION_ATTR_POP_VLAN: flow.vlan_tci = htons(0); continue; - } - - if (nl_attr_type(a) == OVS_ACTION_ATTR_PUSH_VLAN) { - const struct ovs_action_push_vlan *push; + case OVS_ACTION_ATTR_PUSH_VLAN: push = nl_attr_get_unspec(a, sizeof *push); flow.vlan_tci = push->vlan_tci; continue; @@ -964,7 +1092,7 @@ dpctl_normalize_actions(int argc, char *argv[]) HMAP_FOR_EACH (af, hmap_node, &actions_per_flow) { afs[i++] = af; } - assert(i == n_afs); + ovs_assert(i == n_afs); qsort(afs, n_afs, sizeof *afs, compare_actions_for_flow); @@ -981,6 +1109,15 @@ dpctl_normalize_actions(int argc, char *argv[]) printf("no vlan: "); } + if (af->flow.mpls_depth) { + printf("mpls(label=%"PRIu32",tc=%d,ttl=%d): ", + mpls_lse_to_label(af->flow.mpls_lse), + mpls_lse_to_tc(af->flow.mpls_lse), + mpls_lse_to_ttl(af->flow.mpls_lse)); + } else { + printf("no mpls: "); + } + ds_clear(&s); format_odp_actions(&s, af->actions.data, af->actions.size); puts(ds_cstr(&s)); @@ -997,6 +1134,9 @@ static const struct command all_commands[] = { { "dump-dps", 0, 0, dpctl_dump_dps }, { "show", 0, INT_MAX, dpctl_show }, { "dump-flows", 0, 1, dpctl_dump_flows }, + { "add-flow", 2, 3, dpctl_add_flow }, + { "mod-flow", 2, 3, dpctl_mod_flow }, + { "del-flow", 1, 2, dpctl_del_flow }, { "del-flows", 0, 1, dpctl_del_flows }, { "help", 0, INT_MAX, dpctl_help },