X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=vnet%2Fvnet%2Flisp-cp%2Fcontrol.c;h=940d5893e67bf497b37fb99b528c8817f118865d;hb=2fdaece0876465d6980ac6922099502a84e1e029;hp=00317cd871e999223187acf237d51241acd50077;hpb=f727db9e6fb50b2930aedf18bcdda55fe0b96889;p=vpp.git diff --git a/vnet/vnet/lisp-cp/control.c b/vnet/vnet/lisp-cp/control.c index 00317cd871e..940d5893e67 100644 --- a/vnet/vnet/lisp-cp/control.c +++ b/vnet/vnet/lisp-cp/control.c @@ -13,31 +13,53 @@ * limitations under the License. */ +#include #include #include #include #include +#include +#include + +typedef struct +{ + u8 is_resend; + gid_address_t seid; + gid_address_t deid; + u8 smr_invoked; +} map_request_args_t; + +u8 +vnet_lisp_get_map_request_mode (void) +{ + lisp_cp_main_t *lcm = vnet_lisp_cp_get_main (); + return lcm->map_request_mode; +} + +static int +queue_map_request (gid_address_t * seid, gid_address_t * deid, + u8 smr_invoked, u8 is_resend); ip_interface_address_t * -ip_interface_get_first_interface_address (ip_lookup_main_t *lm, u32 sw_if_index, - u8 loop) +ip_interface_get_first_interface_address (ip_lookup_main_t * lm, + u32 sw_if_index, u8 loop) { vnet_main_t *vnm = vnet_get_main (); - vnet_sw_interface_t * swif = vnet_get_sw_interface (vnm, sw_if_index); + vnet_sw_interface_t *swif = vnet_get_sw_interface (vnm, sw_if_index); if (loop && swif->flags & VNET_SW_INTERFACE_FLAG_UNNUMBERED) sw_if_index = swif->unnumbered_sw_if_index; u32 ia = - (vec_len((lm)->if_address_pool_index_by_sw_if_index) > (sw_if_index)) ? - vec_elt((lm)->if_address_pool_index_by_sw_if_index, (sw_if_index)) : - (u32) ~0; - return pool_elt_at_index((lm)->if_address_pool, ia); + (vec_len ((lm)->if_address_pool_index_by_sw_if_index) > (sw_if_index)) ? + vec_elt ((lm)->if_address_pool_index_by_sw_if_index, (sw_if_index)) : + (u32) ~ 0; + return pool_elt_at_index ((lm)->if_address_pool, ia); } void * ip_interface_get_first_address (ip_lookup_main_t * lm, u32 sw_if_index, - u8 version) + u8 version) { - ip_interface_address_t * ia; + ip_interface_address_t *ia; ia = ip_interface_get_first_interface_address (lm, sw_if_index, 1); if (!ia) @@ -47,10 +69,10 @@ ip_interface_get_first_address (ip_lookup_main_t * lm, u32 sw_if_index, int ip_interface_get_first_ip_address (lisp_cp_main_t * lcm, u32 sw_if_index, - u8 version, ip_address_t * result) + u8 version, ip_address_t * result) { - ip_lookup_main_t * lm; - void * addr; + ip_lookup_main_t *lm; + void *addr; lm = (version == IP4) ? &lcm->im4->lookup_main : &lcm->im6->lookup_main; addr = ip_interface_get_first_address (lm, sw_if_index, version); @@ -61,37 +83,36 @@ ip_interface_get_first_ip_address (lisp_cp_main_t * lcm, u32 sw_if_index, return 1; } -static u32 -ip_fib_lookup_with_table (lisp_cp_main_t * lcm, u32 fib_index, - ip_address_t * dst) +/** + * convert from a LISP address to a FIB prefix + */ +void +ip_address_to_fib_prefix (const ip_address_t * addr, fib_prefix_t * prefix) { - if (ip_addr_version (dst) == IP4) - return ip4_fib_lookup_with_table (lcm->im4, fib_index, &ip_addr_v4(dst), - 0); + if (addr->version == IP4) + { + prefix->fp_len = 32; + prefix->fp_proto = FIB_PROTOCOL_IP4; + memset (&prefix->fp_addr.pad, 0, sizeof (prefix->fp_addr.pad)); + memcpy (&prefix->fp_addr.ip4, &addr->ip, sizeof (prefix->fp_addr.ip4)); + } else - return ip6_fib_lookup_with_table (lcm->im6, fib_index, &ip_addr_v6(dst)); + { + prefix->fp_len = 128; + prefix->fp_proto = FIB_PROTOCOL_IP6; + memcpy (&prefix->fp_addr.ip6, &addr->ip, sizeof (prefix->fp_addr.ip6)); + } } -u32 -ip_fib_get_egress_iface_for_dst_with_lm (lisp_cp_main_t * lcm, - ip_address_t * dst, - ip_lookup_main_t * lm) +/** + * convert from a LISP to a FIB prefix + */ +void +ip_prefix_to_fib_prefix (const ip_prefix_t * ip_prefix, + fib_prefix_t * fib_prefix) { - u32 adj_index; - ip_adjacency_t * adj; - - adj_index = ip_fib_lookup_with_table (lcm, 0, dst); - adj = ip_get_adjacency (lm, adj_index); - - if (adj == 0) - return ~0; - - /* we only want outgoing routes */ - if (adj->lookup_next_index != IP_LOOKUP_NEXT_ARP - && adj->lookup_next_index != IP_LOOKUP_NEXT_REWRITE) - return ~0; - - return adj->rewrite_header.sw_if_index; + ip_address_to_fib_prefix (&ip_prefix->addr, fib_prefix); + fib_prefix->fp_len = ip_prefix->len; } /** @@ -101,12 +122,14 @@ ip_fib_get_egress_iface_for_dst_with_lm (lisp_cp_main_t * lcm, u32 ip_fib_get_egress_iface_for_dst (lisp_cp_main_t * lcm, ip_address_t * dst) { - ip_lookup_main_t * lm; + fib_node_index_t fei; + fib_prefix_t prefix; - lm = ip_addr_version (dst) == IP4 ? - &lcm->im4->lookup_main : &lcm->im6->lookup_main; + ip_address_to_fib_prefix (dst, &prefix); - return ip_fib_get_egress_iface_for_dst_with_lm (lcm, dst, lm); + fei = fib_table_lookup (0, &prefix); + + return (fib_entry_get_resolving_interface (fei)); } /** @@ -115,21 +138,21 @@ ip_fib_get_egress_iface_for_dst (lisp_cp_main_t * lcm, ip_address_t * dst) */ int ip_fib_get_first_egress_ip_for_dst (lisp_cp_main_t * lcm, ip_address_t * dst, - ip_address_t * result) + ip_address_t * result) { u32 si; - ip_lookup_main_t * lm; - void * addr = 0; + ip_lookup_main_t *lm; + void *addr = 0; u8 ipver; - ASSERT(result != 0); + ASSERT (result != 0); - ipver = ip_addr_version(dst); + ipver = ip_addr_version (dst); lm = (ipver == IP4) ? &lcm->im4->lookup_main : &lcm->im6->lookup_main; - si = ip_fib_get_egress_iface_for_dst_with_lm (lcm, dst, lm); + si = ip_fib_get_egress_iface_for_dst (lcm, dst); - if ((u32) ~0 == si) + if ((u32) ~ 0 == si) return 0; /* find the first ip address */ @@ -142,49 +165,63 @@ ip_fib_get_first_egress_ip_for_dst (lisp_cp_main_t * lcm, ip_address_t * dst, } static int -dp_add_del_iface (lisp_cp_main_t * lcm, u32 vni, u8 is_add) +dp_add_del_iface (lisp_cp_main_t * lcm, u32 vni, u8 is_l2, u8 is_add) { - uword * table_id, * intf; + uword *dp_table, *intf; vnet_lisp_gpe_add_del_iface_args_t _ai, *ai = &_ai; - table_id = hash_get(lcm->table_id_by_vni, vni); + if (!is_l2) + { + dp_table = hash_get (lcm->table_id_by_vni, vni); - if (!table_id) + if (!dp_table) + { + clib_warning ("vni %d not associated to a vrf!", vni); + return VNET_API_ERROR_INVALID_VALUE; + } + } + else { - clib_warning ("vni %d not associated to a vrf!", vni); - return VNET_API_ERROR_INVALID_VALUE; + dp_table = hash_get (lcm->bd_id_by_vni, vni); + if (!dp_table) + { + clib_warning ("vni %d not associated to a bridge domain!", vni); + return VNET_API_ERROR_INVALID_VALUE; + } } - intf = hash_get(lcm->dp_intf_by_vni, vni); + intf = hash_get (is_l2 ? lcm->l2_dp_intf_by_vni : lcm->dp_intf_by_vni, vni); /* enable/disable data-plane interface */ if (is_add) { /* create interface */ if (!intf) - { - ai->is_add = 1; - ai->vni = vni; - ai->table_id = table_id[0]; - vnet_lisp_gpe_add_del_iface (ai, 0); + { + ai->is_add = 1; + ai->vni = vni; + ai->is_l2 = is_l2; + ai->dp_table = dp_table[0]; - /* keep track of vnis for which interfaces have been created */ - hash_set(lcm->dp_intf_by_vni, vni, 1); - } + vnet_lisp_gpe_add_del_iface (ai, 0); + + /* keep track of vnis for which interfaces have been created */ + hash_set (lcm->dp_intf_by_vni, vni, 1); + } } else { if (intf == 0) - { - clib_warning("interface for vni %d doesn't exist!", vni); - return VNET_API_ERROR_INVALID_VALUE; - } + { + clib_warning ("interface for vni %d doesn't exist!", vni); + return VNET_API_ERROR_INVALID_VALUE; + } ai->is_add = 0; ai->vni = vni; - ai->table_id = table_id[0]; + ai->dp_table = dp_table[0]; vnet_lisp_gpe_add_del_iface (ai, 0); - hash_unset(lcm->dp_intf_by_vni, vni); + hash_unset (lcm->dp_intf_by_vni, vni); } return 0; @@ -193,30 +230,30 @@ dp_add_del_iface (lisp_cp_main_t * lcm, u32 vni, u8 is_add) static void dp_del_fwd_entry (lisp_cp_main_t * lcm, u32 src_map_index, u32 dst_map_index) { - vnet_lisp_gpe_add_del_fwd_entry_args_t _a, * a = &_a; - fwd_entry_t * fe = 0; - uword * feip = 0; - memset(a, 0, sizeof(*a)); + vnet_lisp_gpe_add_del_fwd_entry_args_t _a, *a = &_a; + fwd_entry_t *fe = 0; + uword *feip = 0; + memset (a, 0, sizeof (*a)); - feip = hash_get(lcm->fwd_entry_by_mapping_index, dst_map_index); + feip = hash_get (lcm->fwd_entry_by_mapping_index, dst_map_index); if (!feip) return; - fe = pool_elt_at_index(lcm->fwd_entry_pool, feip[0]); + fe = pool_elt_at_index (lcm->fwd_entry_pool, feip[0]); /* delete dp fwd entry */ u32 sw_if_index; a->is_add = 0; - a->dlocator = fe->dst_loc; - a->slocator = fe->src_loc; - a->vni = gid_address_vni(&a->deid); - gid_address_copy(&a->deid, &fe->deid); + a->locator_pairs = fe->locator_pairs; + a->vni = gid_address_vni (&fe->reid); + gid_address_copy (&a->rmt_eid, &fe->reid); vnet_lisp_gpe_add_del_fwd_entry (a, &sw_if_index); /* delete entry in fwd table */ - hash_unset(lcm->fwd_entry_by_mapping_index, dst_map_index); - pool_put(lcm->fwd_entry_pool, fe); + hash_unset (lcm->fwd_entry_by_mapping_index, dst_map_index); + vec_free (fe->locator_pairs); + pool_put (lcm->fwd_entry_pool, fe); } /** @@ -225,93 +262,132 @@ dp_del_fwd_entry (lisp_cp_main_t * lcm, u32 src_map_index, u32 dst_map_index) * */ static u32 -get_locator_pair (lisp_cp_main_t* lcm, mapping_t * lcl_map, mapping_t * rmt_map, - ip_address_t * lcl_loc, ip_address_t * rmt_loc) -{ - u32 i, minp = ~0, limitp = 0, li, check_index = 0, done = 0, esi; - locator_set_t * rmt_ls, * lcl_ls; - ip_address_t _lcl, * lcl = &_lcl; - locator_t * l, * rmt = 0; - uword * checked = 0; - - rmt_ls = pool_elt_at_index(lcm->locator_set_pool, rmt_map->locator_set_index); - lcl_ls = pool_elt_at_index(lcm->locator_set_pool, lcl_map->locator_set_index); - - if (!rmt_ls || vec_len(rmt_ls->locator_indices) == 0) +get_locator_pairs (lisp_cp_main_t * lcm, mapping_t * lcl_map, + mapping_t * rmt_map, locator_pair_t ** locator_pairs) +{ + u32 i, limitp = 0, li, found = 0, esi; + locator_set_t *rmt_ls, *lcl_ls; + ip_address_t _lcl_addr, *lcl_addr = &_lcl_addr; + locator_t *lp, *rmt = 0; + uword *checked = 0; + locator_pair_t pair; + + rmt_ls = + pool_elt_at_index (lcm->locator_set_pool, rmt_map->locator_set_index); + lcl_ls = + pool_elt_at_index (lcm->locator_set_pool, lcl_map->locator_set_index); + + if (!rmt_ls || vec_len (rmt_ls->locator_indices) == 0) return 0; - while (!done) + while (1) { rmt = 0; /* find unvisited remote locator with best priority */ - for (i = 0; i < vec_len(rmt_ls->locator_indices); i++) - { - if (0 != hash_get(checked, i)) - continue; + for (i = 0; i < vec_len (rmt_ls->locator_indices); i++) + { + if (0 != hash_get (checked, i)) + continue; + + li = vec_elt (rmt_ls->locator_indices, i); + lp = pool_elt_at_index (lcm->locator_pool, li); + + /* we don't support non-IP locators for now */ + if (gid_address_type (&lp->address) != GID_ADDR_IP_PREFIX) + continue; + + if ((found && lp->priority == limitp) + || (!found && lp->priority >= limitp)) + { + rmt = lp; + + /* don't search for locators with lower priority and don't + * check this locator again*/ + limitp = lp->priority; + hash_set (checked, i, 1); + break; + } + } + /* check if a local locator with a route to remote locator exists */ + if (rmt != 0) + { + /* find egress sw_if_index for rmt locator */ + esi = + ip_fib_get_egress_iface_for_dst (lcm, + &gid_address_ip (&rmt->address)); + if ((u32) ~ 0 == esi) + continue; + + for (i = 0; i < vec_len (lcl_ls->locator_indices); i++) + { + li = vec_elt (lcl_ls->locator_indices, i); + locator_t *sl = pool_elt_at_index (lcm->locator_pool, li); + + /* found local locator with the needed sw_if_index */ + if (sl->sw_if_index == esi) + { + /* and it has an address */ + if (0 == ip_interface_get_first_ip_address (lcm, + sl->sw_if_index, + gid_address_ip_version + (&rmt->address), + lcl_addr)) + continue; + + memset (&pair, 0, sizeof (pair)); + ip_address_copy (&pair.rmt_loc, + &gid_address_ip (&rmt->address)); + ip_address_copy (&pair.lcl_loc, lcl_addr); + pair.weight = rmt->weight; + vec_add1 (locator_pairs[0], pair); + found = 1; + } + } + } + else + break; + } - li = vec_elt(rmt_ls->locator_indices, i); - l = pool_elt_at_index(lcm->locator_pool, li); + hash_free (checked); + return found; +} - /* we don't support non-IP locators for now */ - if (gid_address_type(&l->address) != GID_ADDR_IP_PREFIX) - continue; +static void +gid_address_sd_to_flat (gid_address_t * dst, gid_address_t * src, + fid_address_t * fid) +{ + ASSERT (GID_ADDR_SRC_DST == gid_address_type (src)); - if (l->priority < minp && l->priority >= limitp) - { - minp = l->priority; - rmt = l; - check_index = i; - } - } - /* check if a local locator with a route to remote locator exists */ - if (rmt != 0) - { - esi = ip_fib_get_egress_iface_for_dst ( - lcm, &gid_address_ip(&rmt->address)); - if ((u32) ~0 == esi) - continue; + dst[0] = src[0]; - for (i = 0; i < vec_len(lcl_ls->locator_indices); i++) - { - li = vec_elt (lcl_ls->locator_indices, i); - locator_t * sl = pool_elt_at_index (lcm->locator_pool, li); - - /* found local locator */ - if (sl->sw_if_index == esi) - { - if (0 == ip_interface_get_first_ip_address (lcm, - sl->sw_if_index, - gid_address_ip_version(&rmt->address), lcl)) - continue; - - ip_address_copy(rmt_loc, &gid_address_ip(&rmt->address)); - ip_address_copy(lcl_loc, lcl); - done = 2; - } - } - - /* skip this remote locator in next searches */ - limitp = minp; - hash_set(checked, check_index, 1); - } - else - done = 1; + switch (fid_addr_type (fid)) + { + case FID_ADDR_IP_PREF: + gid_address_type (dst) = GID_ADDR_IP_PREFIX; + gid_address_ippref (dst) = fid_addr_ippref (fid); + break; + case FID_ADDR_MAC: + gid_address_type (dst) = GID_ADDR_MAC; + mac_copy (gid_address_mac (dst), fid_addr_mac (fid)); + break; + default: + clib_warning ("Unsupported fid type %d!", fid_addr_type (fid)); + break; } - hash_free(checked); - return (done == 2) ? 1 : 0; } static void -dp_add_fwd_entry (lisp_cp_main_t* lcm, u32 src_map_index, u32 dst_map_index) +dp_add_fwd_entry (lisp_cp_main_t * lcm, u32 src_map_index, u32 dst_map_index) { - mapping_t * src_map, * dst_map; + vnet_lisp_gpe_add_del_fwd_entry_args_t _a, *a = &_a; + mapping_t *src_map, *dst_map; u32 sw_if_index; - uword * feip = 0, * tidp; - fwd_entry_t* fe; - vnet_lisp_gpe_add_del_fwd_entry_args_t _a, * a = &_a; + uword *feip = 0, *dpid; + fwd_entry_t *fe; + u8 type; - memset (a, 0, sizeof(*a)); + memset (a, 0, sizeof (*a)); /* remove entry if it already exists */ feip = hash_get (lcm->fwd_entry_by_mapping_index, dst_map_index); @@ -321,22 +397,46 @@ dp_add_fwd_entry (lisp_cp_main_t* lcm, u32 src_map_index, u32 dst_map_index) src_map = pool_elt_at_index (lcm->mapping_pool, src_map_index); dst_map = pool_elt_at_index (lcm->mapping_pool, dst_map_index); - gid_address_copy (&a->deid, &dst_map->eid); - a->vni = gid_address_vni(&a->deid); + /* insert data plane forwarding entry */ + a->is_add = 1; - tidp = hash_get(lcm->table_id_by_vni, a->vni); - if (!tidp) + if (GID_ADDR_SRC_DST == gid_address_type (&dst_map->eid)) { - clib_warning("vni %d not associated to a vrf!", a->vni); - return; + gid_address_sd_to_flat (&a->rmt_eid, &dst_map->eid, + &gid_address_sd_dst (&dst_map->eid)); + gid_address_sd_to_flat (&a->lcl_eid, &dst_map->eid, + &gid_address_sd_src (&dst_map->eid)); } - a->table_id = tidp[0]; + else + gid_address_copy (&a->rmt_eid, &dst_map->eid); - /* insert data plane forwarding entry */ - a->is_add = 1; + a->vni = gid_address_vni (&a->rmt_eid); + + /* get vrf or bd_index associated to vni */ + type = gid_address_type (&a->rmt_eid); + if (GID_ADDR_IP_PREFIX == type) + { + dpid = hash_get (lcm->table_id_by_vni, a->vni); + if (!dpid) + { + clib_warning ("vni %d not associated to a vrf!", a->vni); + return; + } + a->table_id = dpid[0]; + } + else if (GID_ADDR_MAC == type) + { + dpid = hash_get (lcm->bd_id_by_vni, a->vni); + if (!dpid) + { + clib_warning ("vni %d not associated to a bridge domain !", a->vni); + return; + } + a->bd_id = dpid[0]; + } /* find best locator pair that 1) verifies LISP policy 2) are connected */ - if (0 == get_locator_pair (lcm, src_map, dst_map, &a->slocator, &a->dlocator)) + if (0 == get_locator_pairs (lcm, src_map, dst_map, &a->locator_pairs)) { /* negative entry */ a->is_negative = 1; @@ -344,19 +444,18 @@ dp_add_fwd_entry (lisp_cp_main_t* lcm, u32 src_map_index, u32 dst_map_index) } /* TODO remove */ - u8 ipver = ip_prefix_version(&gid_address_ippref(&a->deid)); + u8 ipver = ip_prefix_version (&gid_address_ippref (&a->rmt_eid)); a->decap_next_index = (ipver == IP4) ? - LISP_GPE_INPUT_NEXT_IP4_INPUT : LISP_GPE_INPUT_NEXT_IP6_INPUT; + LISP_GPE_INPUT_NEXT_IP4_INPUT : LISP_GPE_INPUT_NEXT_IP6_INPUT; vnet_lisp_gpe_add_del_fwd_entry (a, &sw_if_index); /* add tunnel to fwd entry table XXX check return value from DP insertion */ pool_get (lcm->fwd_entry_pool, fe); - fe->dst_loc = a->dlocator; - fe->src_loc = a->slocator; - gid_address_copy (&fe->deid, &a->deid); + fe->locator_pairs = a->locator_pairs; + gid_address_copy (&fe->reid, &a->rmt_eid); hash_set (lcm->fwd_entry_by_mapping_index, dst_map_index, - fe - lcm->fwd_entry_pool); + fe - lcm->fwd_entry_pool); } /** @@ -364,90 +463,90 @@ dp_add_fwd_entry (lisp_cp_main_t* lcm, u32 src_map_index, u32 dst_map_index) */ int vnet_lisp_map_cache_add_del (vnet_lisp_add_del_mapping_args_t * a, - u32 * map_index_result) + u32 * map_index_result) { - lisp_cp_main_t * lcm = vnet_lisp_cp_get_main(); - u32 mi, * map_indexp, map_index, i; - mapping_t * m, * old_map; - u32 ** eid_indexes; + lisp_cp_main_t *lcm = vnet_lisp_cp_get_main (); + u32 mi, *map_indexp, map_index, i; + mapping_t *m, *old_map; + u32 **eid_indexes; mi = gid_dictionary_lookup (&lcm->mapping_index_by_gid, &a->eid); old_map = mi != ~0 ? pool_elt_at_index (lcm->mapping_pool, mi) : 0; if (a->is_add) { /* TODO check if overwriting and take appropriate actions */ - if (mi != GID_LOOKUP_MISS && !gid_address_cmp (&old_map->eid, - &a->eid)) - { - clib_warning ("eid %U found in the eid-table", format_gid_address, - &a->eid); - return VNET_API_ERROR_VALUE_EXIST; - } - - pool_get(lcm->mapping_pool, m); + if (mi != GID_LOOKUP_MISS && !gid_address_cmp (&old_map->eid, &a->eid)) + { + clib_warning ("eid %U found in the eid-table", format_gid_address, + &a->eid); + return VNET_API_ERROR_VALUE_EXIST; + } + + pool_get (lcm->mapping_pool, m); gid_address_copy (&m->eid, &a->eid); m->locator_set_index = a->locator_set_index; m->ttl = a->ttl; m->action = a->action; m->local = a->local; + m->is_static = a->is_static; map_index = m - lcm->mapping_pool; gid_dictionary_add_del (&lcm->mapping_index_by_gid, &a->eid, map_index, - 1); + 1); - if (pool_is_free_index(lcm->locator_set_pool, a->locator_set_index)) - { - clib_warning("Locator set with index %d doesn't exist", - a->locator_set_index); - return VNET_API_ERROR_INVALID_VALUE; - } + if (pool_is_free_index (lcm->locator_set_pool, a->locator_set_index)) + { + clib_warning ("Locator set with index %d doesn't exist", + a->locator_set_index); + return VNET_API_ERROR_INVALID_VALUE; + } /* add eid to list of eids supported by locator-set */ vec_validate (lcm->locator_set_to_eids, a->locator_set_index); - eid_indexes = vec_elt_at_index(lcm->locator_set_to_eids, - a->locator_set_index); - vec_add1(eid_indexes[0], map_index); + eid_indexes = vec_elt_at_index (lcm->locator_set_to_eids, + a->locator_set_index); + vec_add1 (eid_indexes[0], map_index); if (a->local) - { - /* mark as local */ - vec_add1(lcm->local_mappings_indexes, map_index); - } + { + /* mark as local */ + vec_add1 (lcm->local_mappings_indexes, map_index); + } map_index_result[0] = map_index; } else { if (mi == GID_LOOKUP_MISS) - { - clib_warning("eid %U not found in the eid-table", format_gid_address, - &a->eid); - return VNET_API_ERROR_INVALID_VALUE; - } + { + clib_warning ("eid %U not found in the eid-table", + format_gid_address, &a->eid); + return VNET_API_ERROR_INVALID_VALUE; + } /* clear locator-set to eids binding */ - eid_indexes = vec_elt_at_index(lcm->locator_set_to_eids, - a->locator_set_index); - for (i = 0; i < vec_len(eid_indexes[0]); i++) - { - map_indexp = vec_elt_at_index(eid_indexes[0], i); - if (map_indexp[0] == mi) - break; - } - vec_del1(eid_indexes[0], i); + eid_indexes = vec_elt_at_index (lcm->locator_set_to_eids, + a->locator_set_index); + for (i = 0; i < vec_len (eid_indexes[0]); i++) + { + map_indexp = vec_elt_at_index (eid_indexes[0], i); + if (map_indexp[0] == mi) + break; + } + vec_del1 (eid_indexes[0], i); /* remove local mark if needed */ - m = pool_elt_at_index(lcm->mapping_pool, mi); + m = pool_elt_at_index (lcm->mapping_pool, mi); if (m->local) - { - u32 k, * lm_indexp; - for (k = 0; k < vec_len(lcm->local_mappings_indexes); k++) - { - lm_indexp = vec_elt_at_index(lcm->local_mappings_indexes, k); - if (lm_indexp[0] == mi) - break; - } - vec_del1(lcm->local_mappings_indexes, k); - } + { + u32 k, *lm_indexp; + for (k = 0; k < vec_len (lcm->local_mappings_indexes); k++) + { + lm_indexp = vec_elt_at_index (lcm->local_mappings_indexes, k); + if (lm_indexp[0] == mi) + break; + } + vec_del1 (lcm->local_mappings_indexes, k); + } /* remove mapping from dictionary */ gid_dictionary_add_del (&lcm->mapping_index_by_gid, &a->eid, 0, 0); @@ -463,12 +562,13 @@ vnet_lisp_map_cache_add_del (vnet_lisp_add_del_mapping_args_t * a, */ int vnet_lisp_add_del_local_mapping (vnet_lisp_add_del_mapping_args_t * a, - u32 * map_index_result) + u32 * map_index_result) { - uword * table_id; + uword *dp_table = 0; u32 vni; + u8 type; - lisp_cp_main_t * lcm = vnet_lisp_cp_get_main (); + lisp_cp_main_t *lcm = vnet_lisp_cp_get_main (); if (vnet_lisp_enable_disable_status () == 0) { @@ -476,12 +576,17 @@ vnet_lisp_add_del_local_mapping (vnet_lisp_add_del_mapping_args_t * a, return VNET_API_ERROR_LISP_DISABLED; } - vni = gid_address_vni(&a->eid); - table_id = hash_get(lcm->table_id_by_vni, vni); + vni = gid_address_vni (&a->eid); + type = gid_address_type (&a->eid); + if (GID_ADDR_IP_PREFIX == type) + dp_table = hash_get (lcm->table_id_by_vni, vni); + else if (GID_ADDR_MAC == type) + dp_table = hash_get (lcm->bd_id_by_vni, vni); - if (!table_id) + if (!dp_table) { - clib_warning ("vni %d not associated to a vrf!", vni); + clib_warning ("vni %d not associated to a %s!", vni, + GID_ADDR_IP_PREFIX == type ? "vrf" : "bd"); return VNET_API_ERROR_INVALID_VALUE; } @@ -491,96 +596,97 @@ vnet_lisp_add_del_local_mapping (vnet_lisp_add_del_mapping_args_t * a, static clib_error_t * lisp_add_del_local_eid_command_fn (vlib_main_t * vm, unformat_input_t * input, - vlib_cli_command_t * cmd) + vlib_cli_command_t * cmd) { - lisp_cp_main_t * lcm = vnet_lisp_cp_get_main(); - unformat_input_t _line_input, * line_input = &_line_input; + lisp_cp_main_t *lcm = vnet_lisp_cp_get_main (); + unformat_input_t _line_input, *line_input = &_line_input; u8 is_add = 1; gid_address_t eid; - ip_prefix_t * prefp = &gid_address_ippref(&eid); - u8 * mac = gid_address_mac(&eid); - gid_address_t * eids = 0; - clib_error_t * error = 0; - u8 * locator_set_name = 0; + gid_address_t *eids = 0; + clib_error_t *error = 0; + u8 *locator_set_name = 0; u32 locator_set_index = 0, map_index = 0; - uword * p; - vnet_lisp_add_del_mapping_args_t _a, * a = &_a; + uword *p; + vnet_lisp_add_del_mapping_args_t _a, *a = &_a; int rv = 0; u32 vni = 0; memset (&eid, 0, sizeof (eid)); + memset (a, 0, sizeof (*a)); + /* Get a line of input. */ - if (! unformat_user (input, unformat_line_input, line_input)) + if (!unformat_user (input, unformat_line_input, line_input)) return 0; while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT) { if (unformat (line_input, "add")) - is_add = 1; + is_add = 1; else if (unformat (line_input, "del")) - is_add = 0; + is_add = 0; + else if (unformat (line_input, "eid %U", unformat_gid_address, &eid)) + ; else if (unformat (line_input, "vni %d", &vni)) - gid_address_vni (&eid) = vni; - else if (unformat (line_input, "eid %U", unformat_ip_prefix, prefp)) - { - gid_address_type (&eid) = GID_ADDR_IP_PREFIX; - vec_add1(eids, eid); - } - else if (unformat (line_input, "eid %U", unformat_mac_address, mac)) - { - gid_address_type (&eid) = GID_ADDR_MAC; - vec_add1(eids, eid); - } + gid_address_vni (&eid) = vni; else if (unformat (line_input, "locator-set %_%v%_", &locator_set_name)) - { - p = hash_get_mem(lcm->locator_set_index_by_name, locator_set_name); - if (!p) - { - error = clib_error_return(0, "locator-set %s doesn't exist", - locator_set_name); - goto done; - } - locator_set_index = p[0]; - } + { + p = hash_get_mem (lcm->locator_set_index_by_name, locator_set_name); + if (!p) + { + error = clib_error_return (0, "locator-set %s doesn't exist", + locator_set_name); + goto done; + } + locator_set_index = p[0]; + } else - { - error = unformat_parse_error(line_input); - goto done; - } + { + error = unformat_parse_error (line_input); + goto done; + } } /* XXX treat batch configuration */ - a->eid = eid; + if (GID_ADDR_SRC_DST == gid_address_type (&eid)) + { + error = + clib_error_return (0, "src/dst is not supported for local EIDs!"); + goto done; + } + + gid_address_copy (&a->eid, &eid); a->is_add = is_add; a->locator_set_index = locator_set_index; a->local = 1; rv = vnet_lisp_add_del_local_mapping (a, &map_index); if (0 != rv) - { - error = clib_error_return(0, "failed to %s local mapping!", - is_add ? "add" : "delete"); - } - done: - vec_free(eids); + { + error = clib_error_return (0, "failed to %s local mapping!", + is_add ? "add" : "delete"); + } +done: + vec_free (eids); if (locator_set_name) vec_free (locator_set_name); gid_address_free (&a->eid); return error; } +/* *INDENT-OFF* */ VLIB_CLI_COMMAND (lisp_add_del_local_eid_command) = { .path = "lisp eid-table", .short_help = "lisp eid-table add/del [vni ] eid " "locator-set ", .function = lisp_add_del_local_eid_command_fn, }; +/* *INDENT-ON* */ int -vnet_lisp_eid_table_map (u32 vni, u32 vrf, u8 is_add) +vnet_lisp_eid_table_map (u32 vni, u32 dp_id, u8 is_l2, u8 is_add) { - lisp_cp_main_t * lcm = vnet_lisp_cp_get_main (); - uword * table_id, * vnip; + lisp_cp_main_t *lcm = vnet_lisp_cp_get_main (); + uword *dp_idp, *vnip, **dp_table_by_vni, **vni_by_dp_table; if (vnet_lisp_enable_disable_status () == 0) { @@ -588,103 +694,110 @@ vnet_lisp_eid_table_map (u32 vni, u32 vrf, u8 is_add) return -1; } - if (vni == 0 || vrf == 0) + dp_table_by_vni = is_l2 ? &lcm->bd_id_by_vni : &lcm->table_id_by_vni; + vni_by_dp_table = is_l2 ? &lcm->vni_by_bd_id : &lcm->vni_by_table_id; + + if (!is_l2 && (vni == 0 || dp_id == 0)) { clib_warning ("can't add/del default vni-vrf mapping!"); return -1; } - table_id = hash_get (lcm->table_id_by_vni, vni); - vnip = hash_get (lcm->vni_by_table_id, vrf); + dp_idp = hash_get (dp_table_by_vni[0], vni); + vnip = hash_get (vni_by_dp_table[0], dp_id); if (is_add) { - if (table_id || vnip) - { - clib_warning ("vni %d or vrf %d already used in any vrf/vni " - "mapping!", vni, vrf); - return -1; - } - hash_set (lcm->table_id_by_vni, vni, vrf); - hash_set (lcm->vni_by_table_id, vrf, vni); + if (dp_idp || vnip) + { + clib_warning ("vni %d or vrf %d already used in vrf/vni " + "mapping!", vni, dp_id); + return -1; + } + hash_set (dp_table_by_vni[0], vni, dp_id); + hash_set (vni_by_dp_table[0], dp_id, vni); /* create dp iface */ - dp_add_del_iface (lcm, vni, 1); + dp_add_del_iface (lcm, vni, is_l2, 1); } else { - if (!table_id || !vnip) - { - clib_warning ("vni %d or vrf %d not used in any vrf/vni! " - "mapping!", vni, vrf); - return -1; - } - hash_unset (lcm->table_id_by_vni, vni); - hash_unset (lcm->vni_by_table_id, vrf); + if (!dp_idp || !vnip) + { + clib_warning ("vni %d or vrf %d not used in any vrf/vni! " + "mapping!", vni, dp_id); + return -1; + } + hash_unset (dp_table_by_vni[0], vni); + hash_unset (vni_by_dp_table[0], dp_id); /* remove dp iface */ - dp_add_del_iface (lcm, vni, 0); + dp_add_del_iface (lcm, vni, is_l2, 0); } return 0; + } static clib_error_t * lisp_eid_table_map_command_fn (vlib_main_t * vm, - unformat_input_t * input, - vlib_cli_command_t * cmd) + unformat_input_t * input, + vlib_cli_command_t * cmd) { - u8 is_add = 1; - u32 vni = 0, vrf = 0; - unformat_input_t _line_input, * line_input = &_line_input; + u8 is_add = 1, is_l2 = 0; + u32 vni = 0, dp_id = 0; + unformat_input_t _line_input, *line_input = &_line_input; /* Get a line of input. */ - if (! unformat_user (input, unformat_line_input, line_input)) + if (!unformat_user (input, unformat_line_input, line_input)) return 0; while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT) { if (unformat (line_input, "del")) - is_add = 0; + is_add = 0; else if (unformat (line_input, "vni %d", &vni)) - ; - else if (unformat (line_input, "vrf %d", &vrf)) - ; + ; + else if (unformat (line_input, "vrf %d", &dp_id)) + ; + else if (unformat (line_input, "bd %d", &dp_id)) + is_l2 = 1; else - { - return unformat_parse_error (line_input); - } + { + return unformat_parse_error (line_input); + } } - vnet_lisp_eid_table_map (vni, vrf, is_add); + vnet_lisp_eid_table_map (vni, dp_id, is_l2, is_add); return 0; } +/* *INDENT-OFF* */ VLIB_CLI_COMMAND (lisp_eid_table_map_command) = { .path = "lisp eid-table map", - .short_help = "lisp eid-table map [del] vni vrf ", + .short_help = "lisp eid-table map [del] vni vrf | bd ", .function = lisp_eid_table_map_command_fn, }; - +/* *INDENT-ON* */ /* return 0 if the two locator sets are identical 1 otherwise */ static u8 -compare_locators (lisp_cp_main_t *lcm, u32 * old_ls_indexes, - locator_t * new_locators) +compare_locators (lisp_cp_main_t * lcm, u32 * old_ls_indexes, + locator_t * new_locators) { u32 i, old_li; - locator_t * old_loc, * new_loc; + locator_t *old_loc, *new_loc; - if (vec_len (old_ls_indexes) != vec_len(new_locators)) + if (vec_len (old_ls_indexes) != vec_len (new_locators)) return 1; - for (i = 0; i < vec_len(new_locators); i++) + for (i = 0; i < vec_len (new_locators); i++) { - old_li = vec_elt(old_ls_indexes, i); - old_loc = pool_elt_at_index(lcm->locator_pool, old_li); + old_li = vec_elt (old_ls_indexes, i); + old_loc = pool_elt_at_index (lcm->locator_pool, old_li); - new_loc = vec_elt_at_index(new_locators, i); + new_loc = vec_elt_at_index (new_locators, i); if (locator_cmp (old_loc, new_loc)) - return 1; + return 1; } return 0; } @@ -692,24 +805,28 @@ compare_locators (lisp_cp_main_t *lcm, u32 * old_ls_indexes, /** * Adds/removes/updates mapping. Does not program forwarding. * - * @param deid destination EID + * @param eid end-host identifier * @param rlocs vector of remote locators * @param action action for negative map-reply * @param is_add add mapping if non-zero, delete otherwise + * @param res_map_index the map-index that was created/updated/removed. It is + * set to ~0 if no action is taken. + * @param is_static used for distinguishing between statically learned + remote mappings and mappings obtained from MR * @return return code */ int -vnet_lisp_add_del_mapping (gid_address_t * deid, locator_t * rlocs, u8 action, - u8 authoritative, u32 ttl, u8 is_add, - u32 * res_map_index) +vnet_lisp_add_del_mapping (gid_address_t * eid, locator_t * rlocs, u8 action, + u8 authoritative, u32 ttl, u8 is_add, u8 is_static, + u32 * res_map_index) { - vnet_lisp_add_del_mapping_args_t _m_args, * m_args = &_m_args; - vnet_lisp_add_del_locator_set_args_t _ls_args, * ls_args = &_ls_args; - lisp_cp_main_t * lcm = vnet_lisp_cp_get_main (); + vnet_lisp_add_del_mapping_args_t _m_args, *m_args = &_m_args; + vnet_lisp_add_del_locator_set_args_t _ls_args, *ls_args = &_ls_args; + lisp_cp_main_t *lcm = vnet_lisp_cp_get_main (); u32 mi, ls_index = 0, dst_map_index; - mapping_t * old_map; + mapping_t *old_map; - if (vnet_lisp_enable_disable_status() == 0) + if (vnet_lisp_enable_disable_status () == 0) { clib_warning ("LISP is disabled!"); return VNET_API_ERROR_LISP_DISABLED; @@ -723,65 +840,75 @@ vnet_lisp_add_del_mapping (gid_address_t * deid, locator_t * rlocs, u8 action, ls_args->locators = rlocs; - mi = gid_dictionary_lookup (&lcm->mapping_index_by_gid, deid); - old_map = ((u32) ~0 != mi) ? pool_elt_at_index(lcm->mapping_pool, mi) : 0; + mi = gid_dictionary_lookup (&lcm->mapping_index_by_gid, eid); + old_map = ((u32) ~ 0 != mi) ? pool_elt_at_index (lcm->mapping_pool, mi) : 0; if (is_add) { /* overwrite: if mapping already exists, decide if locators should be * updated and be done */ - if (old_map && gid_address_cmp (&old_map->eid, deid) == 0) - { - locator_set_t * old_ls; - - /* update mapping attributes */ - old_map->action = action; - old_map->authoritative = authoritative; - old_map->ttl = ttl; - - old_ls = pool_elt_at_index(lcm->locator_set_pool, - old_map->locator_set_index); - if (compare_locators (lcm, old_ls->locator_indices, - ls_args->locators)) - { - /* set locator-set index to overwrite */ - ls_args->is_add = 1; - ls_args->index = old_map->locator_set_index; - vnet_lisp_add_del_locator_set (ls_args, 0); - if (res_map_index) - res_map_index[0] = mi; - } - } + if (old_map && gid_address_cmp (&old_map->eid, eid) == 0) + { + if (!is_static && (old_map->is_static || old_map->local)) + { + /* do not overwrite local or static remote mappings */ + clib_warning ("mapping %U rejected due to collision with local " + "or static remote mapping!", format_gid_address, + &eid); + return 0; + } + + locator_set_t *old_ls; + + /* update mapping attributes */ + old_map->action = action; + old_map->authoritative = authoritative; + old_map->ttl = ttl; + + old_ls = pool_elt_at_index (lcm->locator_set_pool, + old_map->locator_set_index); + if (compare_locators (lcm, old_ls->locator_indices, + ls_args->locators)) + { + /* set locator-set index to overwrite */ + ls_args->is_add = 1; + ls_args->index = old_map->locator_set_index; + vnet_lisp_add_del_locator_set (ls_args, 0); + if (res_map_index) + res_map_index[0] = mi; + } + } /* new mapping */ else - { - ls_args->is_add = 1; - ls_args->index = ~0; + { + ls_args->is_add = 1; + ls_args->index = ~0; - vnet_lisp_add_del_locator_set (ls_args, &ls_index); + vnet_lisp_add_del_locator_set (ls_args, &ls_index); - /* add mapping */ - gid_address_copy (&m_args->eid, deid); - m_args->is_add = 1; - m_args->action = action; - m_args->locator_set_index = ls_index; - vnet_lisp_map_cache_add_del (m_args, &dst_map_index); + /* add mapping */ + gid_address_copy (&m_args->eid, eid); + m_args->is_add = 1; + m_args->action = action; + m_args->locator_set_index = ls_index; + m_args->is_static = is_static; + vnet_lisp_map_cache_add_del (m_args, &dst_map_index); - if (res_map_index) - res_map_index[0] = dst_map_index; - } + if (res_map_index) + res_map_index[0] = dst_map_index; + } } else { - if (old_map == 0 || gid_address_cmp (&old_map->eid, deid) != 0) - { - clib_warning("cannot delete mapping for eid %U", format_gid_address, - deid); - return -1; - } + if (old_map == 0 || gid_address_cmp (&old_map->eid, eid) != 0) + { + clib_warning ("cannot delete mapping for eid %U", + format_gid_address, eid); + return -1; + } m_args->is_add = 0; - gid_address_copy (&m_args->eid, deid); + gid_address_copy (&m_args->eid, eid); m_args->locator_set_index = old_map->locator_set_index; /* delete mapping associated from map-cache */ @@ -791,6 +918,10 @@ vnet_lisp_add_del_mapping (gid_address_t * deid, locator_t * rlocs, u8 action, ls_args->index = old_map->locator_set_index; /* delete locator set */ vnet_lisp_add_del_locator_set (ls_args, 0); + + /* return old mapping index */ + if (res_map_index) + res_map_index[0] = mi; } /* success */ @@ -801,39 +932,41 @@ int vnet_lisp_clear_all_remote_adjacencies (void) { int rv = 0; - u32 mi, * map_indices = 0, * map_indexp; - lisp_cp_main_t * lcm = vnet_lisp_cp_get_main (); - vnet_lisp_add_del_mapping_args_t _dm_args, * dm_args = &_dm_args; - vnet_lisp_add_del_locator_set_args_t _ls, * ls = &_ls; + u32 mi, *map_indices = 0, *map_indexp; + lisp_cp_main_t *lcm = vnet_lisp_cp_get_main (); + vnet_lisp_add_del_mapping_args_t _dm_args, *dm_args = &_dm_args; + vnet_lisp_add_del_locator_set_args_t _ls, *ls = &_ls; + /* *INDENT-OFF* */ pool_foreach_index (mi, lcm->mapping_pool, - ({ - vec_add1 (map_indices, mi); - })); + ({ + vec_add1 (map_indices, mi); + })); + /* *INDENT-ON* */ vec_foreach (map_indexp, map_indices) - { - mapping_t * map = pool_elt_at_index (lcm->mapping_pool, map_indexp[0]); - if (!map->local) - { - dp_del_fwd_entry (lcm, 0, map_indexp[0]); - - dm_args->is_add = 0; - gid_address_copy (&dm_args->eid, &map->eid); - dm_args->locator_set_index = map->locator_set_index; - - /* delete mapping associated to fwd entry */ - vnet_lisp_map_cache_add_del (dm_args, 0); - - ls->is_add = 0; - ls->local = 0; - ls->index = map->locator_set_index; - /* delete locator set */ - rv = vnet_lisp_add_del_locator_set (ls, 0); - if (rv != 0) - goto cleanup; - } - } + { + mapping_t *map = pool_elt_at_index (lcm->mapping_pool, map_indexp[0]); + if (!map->local) + { + dp_del_fwd_entry (lcm, 0, map_indexp[0]); + + dm_args->is_add = 0; + gid_address_copy (&dm_args->eid, &map->eid); + dm_args->locator_set_index = map->locator_set_index; + + /* delete mapping associated to fwd entry */ + vnet_lisp_map_cache_add_del (dm_args, 0); + + ls->is_add = 0; + ls->local = 0; + ls->index = map->locator_set_index; + /* delete locator set */ + rv = vnet_lisp_add_del_locator_set (ls, 0); + if (rv != 0) + goto cleanup; + } + } cleanup: if (map_indices) @@ -842,15 +975,15 @@ cleanup: } /** - * Adds remote mapping and sets it as adjacency for local eid or removes - * forwarding entry associated to remote mapping. Note that adjacencies - * are not stored, they only result in forwarding entries being created. + * Adds adjacency or removes forwarding entry associated to remote mapping. + * Note that adjacencies are not stored, they only result in forwarding entries + * being created. */ int -lisp_add_del_adjacency (lisp_cp_main_t * lcm, - vnet_lisp_add_del_adjacency_args_t * a) +lisp_add_del_adjacency (lisp_cp_main_t * lcm, gid_address_t * local_eid, + gid_address_t * remote_eid, u8 is_add) { - u32 src_map_index, dst_map_index = ~0; + u32 local_mi, remote_mi = ~0; if (vnet_lisp_enable_disable_status () == 0) { @@ -858,36 +991,39 @@ lisp_add_del_adjacency (lisp_cp_main_t * lcm, return VNET_API_ERROR_LISP_DISABLED; } - /* insert/update mappings cache */ - vnet_lisp_add_del_mapping (&a->deid, a->locators, a->action, - a->authoritative, a->ttl, a->is_add, - &dst_map_index); + remote_mi = gid_dictionary_lookup (&lcm->mapping_index_by_gid, remote_eid); + if (GID_LOOKUP_MISS == remote_mi) + { + clib_warning ("Remote eid %U not found. Cannot add adjacency!", + format_gid_address, remote_eid); - if (a->is_add) + return -1; + } + + if (is_add) { /* TODO 1) check if src/dst 2) once we have src/dst working, use it in * delete*/ /* check if source eid has an associated mapping. If pitr mode is on, * just use the pitr's mapping */ - src_map_index = lcm->lisp_pitr ? lcm->pitr_map_index : - gid_dictionary_lookup (&lcm->mapping_index_by_gid, &a->seid); + local_mi = lcm->lisp_pitr ? lcm->pitr_map_index : + gid_dictionary_lookup (&lcm->mapping_index_by_gid, local_eid); - if (GID_LOOKUP_MISS == src_map_index) - { - clib_warning("seid %U not found. Cannot program forwarding!", - format_gid_address, &a->seid); + if (GID_LOOKUP_MISS == local_mi) + { + clib_warning ("Local eid %U not found. Cannot add adjacency!", + format_gid_address, local_eid); - return -1; - } + return -1; + } - /* update forwarding if a destination mapping index was found */ - if ((u32) ~0 != dst_map_index) - dp_add_fwd_entry (lcm, src_map_index, dst_map_index); + /* update forwarding */ + dp_add_fwd_entry (lcm, local_mi, remote_mi); } else - dp_del_fwd_entry (lcm, 0, dst_map_index); + dp_del_fwd_entry (lcm, 0, remote_mi); return 0; } @@ -895,8 +1031,8 @@ lisp_add_del_adjacency (lisp_cp_main_t * lcm, int vnet_lisp_add_del_adjacency (vnet_lisp_add_del_adjacency_args_t * a) { - lisp_cp_main_t * lcm = vnet_lisp_cp_get_main (); - return lisp_add_del_adjacency(lcm, a); + lisp_cp_main_t *lcm = vnet_lisp_cp_get_main (); + return lisp_add_del_adjacency (lcm, &a->leid, &a->reid, a->is_add); } /** @@ -909,127 +1045,85 @@ vnet_lisp_add_del_adjacency (vnet_lisp_add_del_adjacency_args_t * a) */ static clib_error_t * lisp_add_del_remote_mapping_command_fn (vlib_main_t * vm, - unformat_input_t * input, - vlib_cli_command_t * cmd) + unformat_input_t * input, + vlib_cli_command_t * cmd) { - clib_error_t * error = 0; - unformat_input_t _line_input, * line_input = &_line_input; + clib_error_t *error = 0; + unformat_input_t _line_input, *line_input = &_line_input; u8 is_add = 1, del_all = 0; - locator_t rloc, * rlocs = 0; - ip_prefix_t * deid_ippref, * seid_ippref; - gid_address_t seid, deid; - u8 * dmac = gid_address_mac (&deid); - u8 * smac = gid_address_mac (&seid); - u8 deid_set = 0, seid_set = 0; - u8 * s = 0; - u32 vni, action = ~0; + locator_t rloc, *rlocs = 0, *curr_rloc = 0; + gid_address_t eid; + u8 eid_set = 0; + u32 vni, action = ~0, p, w; int rv; /* Get a line of input. */ - if (! unformat_user (input, unformat_line_input, line_input)) + if (!unformat_user (input, unformat_line_input, line_input)) return 0; - memset(&deid, 0, sizeof(deid)); - memset(&seid, 0, sizeof(seid)); - memset(&rloc, 0, sizeof(rloc)); - - seid_ippref = &gid_address_ippref(&seid); - deid_ippref = &gid_address_ippref(&deid); + memset (&eid, 0, sizeof (eid)); + memset (&rloc, 0, sizeof (rloc)); while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT) { if (unformat (line_input, "del-all")) - del_all = 1; + del_all = 1; else if (unformat (line_input, "del")) - is_add = 0; + is_add = 0; else if (unformat (line_input, "add")) - ; - else if (unformat (line_input, "deid %U", - unformat_ip_prefix, deid_ippref)) - { - gid_address_type (&deid) = GID_ADDR_IP_PREFIX; - deid_set = 1; - } - else if (unformat (line_input, "deid %U", - unformat_mac_address, dmac)) - { - gid_address_type (&deid) = GID_ADDR_MAC; - deid_set = 1; - } + ; + else if (unformat (line_input, "eid %U", unformat_gid_address, &eid)) + eid_set = 1; else if (unformat (line_input, "vni %u", &vni)) - { - gid_address_vni (&seid) = vni; - gid_address_vni (&deid) = vni; - } - else if (unformat (line_input, "seid %U", - unformat_ip_prefix, seid_ippref)) - { - gid_address_type (&seid) = GID_ADDR_IP_PREFIX; - seid_set = 1; - } - else if (unformat (line_input, "seid %U", - unformat_mac_address, smac)) - { - gid_address_type (&seid) = GID_ADDR_MAC; - seid_set = 1; - } - else if (unformat (line_input, "rloc %U", unformat_ip_address, &rloc.address)) - vec_add1 (rlocs, rloc); - else if (unformat (line_input, "action %s", &s)) - { - if (!strcmp ((char *)s, "no-action")) - action = ACTION_NONE; - if (!strcmp ((char *)s, "natively-forward")) - action = ACTION_NATIVELY_FORWARDED; - if (!strcmp ((char *)s, "send-map-request")) - action = ACTION_SEND_MAP_REQUEST; - else if (!strcmp ((char *)s, "drop")) - action = ACTION_DROP; - else - { - clib_warning ("invalid action: '%s'", s); - goto done; - } - } + { + gid_address_vni (&eid) = vni; + } + else if (unformat (line_input, "p %d w %d", &p, &w)) + { + if (!curr_rloc) + { + clib_warning + ("No RLOC configured for setting priority/weight!"); + goto done; + } + curr_rloc->priority = p; + curr_rloc->weight = w; + } + else if (unformat (line_input, "rloc %U", unformat_ip_address, + &gid_address_ip (&rloc.address))) + { + /* since rloc is stored in ip prefix we need to set prefix length */ + ip_prefix_t *pref = &gid_address_ippref (&rloc.address); + + u8 version = gid_address_ip_version (&rloc.address); + ip_prefix_len (pref) = ip_address_max_len (version); + + vec_add1 (rlocs, rloc); + curr_rloc = &rlocs[vec_len (rlocs) - 1]; + } + else if (unformat (line_input, "action %U", + unformat_negative_mapping_action, &action)) + ; else - { - clib_warning ("parse error"); - goto done; - } + { + clib_warning ("parse error"); + goto done; + } + } + + if (!eid_set) + { + clib_warning ("missing eid!"); + goto done; } if (!del_all) { - if (!deid_set) - { - clib_warning ("missing deid!"); - goto done; - } - - if (GID_ADDR_IP_PREFIX == gid_address_type (&deid)) - { - /* if seid not set, make sure the ip version is the same as that - * of the deid. This ensures the seid to be configured will be - * either 0/0 or ::/0 */ - if (!seid_set) - ip_prefix_version(seid_ippref) = ip_prefix_version(deid_ippref); - - if (is_add && - (ip_prefix_version (deid_ippref) - != ip_prefix_version(seid_ippref))) - { - clib_warning ("source and destination EIDs are not" - " in the same IP family!"); - goto done; - } - } - - if (is_add && (~0 == action) - && 0 == vec_len (rlocs)) - { - clib_warning ("no action set for negative map-reply!"); - goto done; - } + if (is_add && (~0 == action) && 0 == vec_len (rlocs)) + { + clib_warning ("no action set for negative map-reply!"); + goto done; + } } else { @@ -1037,223 +1131,278 @@ lisp_add_del_remote_mapping_command_fn (vlib_main_t * vm, goto done; } - /* TODO build src/dst with seid*/ + /* TODO build src/dst with seid */ /* if it's a delete, clean forwarding */ if (!is_add) { - lisp_cp_main_t * lcm = vnet_lisp_cp_get_main (); - vnet_lisp_add_del_adjacency_args_t _a, * a = &_a; - gid_address_copy(&a->deid, &deid); - a->is_add = 0; - rv = lisp_add_del_adjacency (lcm, a); - } - else - { - /* add as static remote mapping, i.e., not authoritative and infinite - * ttl */ - rv = vnet_lisp_add_del_mapping (&deid, rlocs, action, 0, ~0, is_add, 0); + lisp_cp_main_t *lcm = vnet_lisp_cp_get_main (); + rv = lisp_add_del_adjacency (lcm, 0, &eid, /* is_add */ 0); + if (rv) + { + goto done; + } } + /* add as static remote mapping, i.e., not authoritative and infinite + * ttl */ + rv = vnet_lisp_add_del_mapping (&eid, rlocs, action, 0, ~0, is_add, + 1 /* is_static */ , 0); + if (rv) - clib_warning("failed to %s remote mapping!", is_add ? "add" : "delete"); + clib_warning ("failed to %s remote mapping!", is_add ? "add" : "delete"); done: + vec_free (rlocs); unformat_free (line_input); - if (s) - vec_free (s); return error; } -VLIB_CLI_COMMAND (lisp_add_del_remote_mapping_command) = { - .path = "lisp remote-mapping", - .short_help = "lisp remote-mapping add|del [del-all] vni " - "deid seid [action ] rloc [rloc ... ]", - .function = lisp_add_del_remote_mapping_command_fn, -}; +VLIB_CLI_COMMAND (lisp_add_del_remote_mapping_command) = +{ +.path = "lisp remote-mapping",.short_help = + "lisp remote-mapping add|del [del-all] vni " + "eid [action ] rloc p w " + "[rloc ... ]",.function = + lisp_add_del_remote_mapping_command_fn,}; /** * Handler for add/del adjacency CLI. */ static clib_error_t * lisp_add_del_adjacency_command_fn (vlib_main_t * vm, unformat_input_t * input, - vlib_cli_command_t * cmd) + vlib_cli_command_t * cmd) { - clib_error_t * error = 0; - unformat_input_t _line_input, * line_input = &_line_input; - vnet_lisp_add_del_adjacency_args_t _a, * a = &_a; + clib_error_t *error = 0; + unformat_input_t _line_input, *line_input = &_line_input; + vnet_lisp_add_del_adjacency_args_t _a, *a = &_a; u8 is_add = 1; - locator_t rloc, * rlocs = 0; - ip_prefix_t * deid_ippref, * seid_ippref; - gid_address_t seid, deid; - u8 * dmac = gid_address_mac (&deid); - u8 * smac = gid_address_mac (&seid); - u8 deid_set = 0, seid_set = 0; - u8 * s = 0; - u32 vni, action = ~0; + ip_prefix_t *reid_ippref, *leid_ippref; + gid_address_t leid, reid; + u8 *dmac = gid_address_mac (&reid); + u8 *smac = gid_address_mac (&leid); + u8 reid_set = 0, leid_set = 0; + u32 vni; int rv; /* Get a line of input. */ - if (! unformat_user (input, unformat_line_input, line_input)) + if (!unformat_user (input, unformat_line_input, line_input)) return 0; - memset(&deid, 0, sizeof(deid)); - memset(&seid, 0, sizeof(seid)); - memset(&rloc, 0, sizeof(rloc)); + memset (&reid, 0, sizeof (reid)); + memset (&leid, 0, sizeof (leid)); - seid_ippref = &gid_address_ippref(&seid); - deid_ippref = &gid_address_ippref(&deid); + leid_ippref = &gid_address_ippref (&leid); + reid_ippref = &gid_address_ippref (&reid); while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT) { if (unformat (line_input, "del")) - is_add = 0; + is_add = 0; else if (unformat (line_input, "add")) - ; - else if (unformat (line_input, "deid %U", - unformat_ip_prefix, deid_ippref)) - { - gid_address_type (&deid) = GID_ADDR_IP_PREFIX; - deid_set = 1; - } - else if (unformat (line_input, "deid %U", - unformat_mac_address, dmac)) - { - gid_address_type (&deid) = GID_ADDR_MAC; - deid_set = 1; - } + ; + else if (unformat (line_input, "reid %U", + unformat_ip_prefix, reid_ippref)) + { + gid_address_type (&reid) = GID_ADDR_IP_PREFIX; + reid_set = 1; + } + else if (unformat (line_input, "reid %U", unformat_mac_address, dmac)) + { + gid_address_type (&reid) = GID_ADDR_MAC; + reid_set = 1; + } else if (unformat (line_input, "vni %u", &vni)) - { - gid_address_vni (&seid) = vni; - gid_address_vni (&deid) = vni; - } - else if (unformat (line_input, "seid %U", - unformat_ip_prefix, seid_ippref)) - { - gid_address_type (&seid) = GID_ADDR_IP_PREFIX; - seid_set = 1; - } - else if (unformat (line_input, "seid %U", - unformat_mac_address, smac)) - { - gid_address_type (&seid) = GID_ADDR_MAC; - seid_set = 1; - } - else if (unformat (line_input, "rloc %U", unformat_ip_address, &rloc.address)) - vec_add1 (rlocs, rloc); - else if (unformat (line_input, "action %s", &s)) - { - if (!strcmp ((char *)s, "no-action")) - action = ACTION_NONE; - if (!strcmp ((char *)s, "natively-forward")) - action = ACTION_NATIVELY_FORWARDED; - if (!strcmp ((char *)s, "send-map-request")) - action = ACTION_SEND_MAP_REQUEST; - else if (!strcmp ((char *)s, "drop")) - action = ACTION_DROP; - else - { - clib_warning ("invalid action: '%s'", s); - goto done; - } - } + { + gid_address_vni (&leid) = vni; + gid_address_vni (&reid) = vni; + } + else if (unformat (line_input, "leid %U", + unformat_ip_prefix, leid_ippref)) + { + gid_address_type (&leid) = GID_ADDR_IP_PREFIX; + leid_set = 1; + } + else if (unformat (line_input, "leid %U", unformat_mac_address, smac)) + { + gid_address_type (&leid) = GID_ADDR_MAC; + leid_set = 1; + } else - { - clib_warning ("parse error"); - goto done; - } + { + clib_warning ("parse error"); + goto done; + } } - if (!deid_set) + if (!reid_set || !leid_set) { - clib_warning ("missing deid!"); + clib_warning ("missing remote or local eid!"); goto done; } - if (GID_ADDR_IP_PREFIX == gid_address_type (&deid)) + if ((gid_address_type (&leid) != gid_address_type (&reid)) + || (gid_address_type (&reid) == GID_ADDR_IP_PREFIX + && ip_prefix_version (reid_ippref) + != ip_prefix_version (leid_ippref))) { - /* if seid not set, make sure the ip version is the same as that - * of the deid. This ensures the seid to be configured will be - * either 0/0 or ::/0 */ - if (!seid_set) - ip_prefix_version(seid_ippref) = ip_prefix_version(deid_ippref); - - if (is_add && - (ip_prefix_version (deid_ippref) - != ip_prefix_version(seid_ippref))) - { - clib_warning ("source and destination EIDs are not" - " in the same IP family!"); - goto done; - } + clib_warning ("remote and local EIDs are of different types!"); + return error; } - if (is_add && (~0 == action) - && 0 == vec_len (rlocs)) - { - clib_warning ("no action set for negative map-reply!"); - goto done; - } + memset (a, 0, sizeof (a[0])); + gid_address_copy (&a->leid, &leid); + gid_address_copy (&a->reid, &reid); - memset(a, 0, sizeof(a[0])); - a->action = action; a->is_add = is_add; - - /* NOTE: the remote mapping is static, i.e., not authoritative and - * ttl is infinite. */ - a->authoritative = 0; - a->ttl = ~0; - rv = vnet_lisp_add_del_adjacency (a); if (rv) - clib_warning("failed to %s adjacency!", is_add ? "add" : "delete"); + clib_warning ("failed to %s adjacency!", is_add ? "add" : "delete"); done: unformat_free (line_input); - if (s) - vec_free (s); return error; } +/* *INDENT-OFF* */ VLIB_CLI_COMMAND (lisp_add_del_adjacency_command) = { .path = "lisp adjacency", - .short_help = "lisp adjacency add|del vni " - "deid seid [action ] rloc [rloc ... ]", + .short_help = "lisp adjacency add|del vni reid " + "leid ", .function = lisp_add_del_adjacency_command_fn, }; +/* *INDENT-ON* */ +int +vnet_lisp_set_map_request_mode (u8 mode) +{ + lisp_cp_main_t *lcm = vnet_lisp_cp_get_main (); + + if (vnet_lisp_enable_disable_status () == 0) + { + clib_warning ("LISP is disabled!"); + return VNET_API_ERROR_LISP_DISABLED; + } + + if (mode >= _MR_MODE_MAX) + { + clib_warning ("Invalid LISP map request mode %d!", mode); + return VNET_API_ERROR_INVALID_ARGUMENT; + } + + lcm->map_request_mode = mode; + return 0; +} static clib_error_t * -lisp_show_map_resolvers_command_fn (vlib_main_t * vm, - unformat_input_t * input, - vlib_cli_command_t * cmd) +lisp_map_request_mode_command_fn (vlib_main_t * vm, + unformat_input_t * input, + vlib_cli_command_t * cmd) { - ip_address_t * addr; - lisp_cp_main_t * lcm = vnet_lisp_cp_get_main (); + unformat_input_t _i, *i = &_i; + map_request_mode_t mr_mode = _MR_MODE_MAX; + + /* Get a line of input. */ + if (!unformat_user (input, unformat_line_input, i)) + return 0; + + while (unformat_check_input (i) != UNFORMAT_END_OF_INPUT) + { + if (unformat (i, "dst-only")) + mr_mode = MR_MODE_DST_ONLY; + else if (unformat (i, "src-dst")) + mr_mode = MR_MODE_SRC_DST; + else + { + clib_warning ("parse error '%U'", format_unformat_error, i); + goto done; + } + } - vec_foreach (addr, lcm->map_resolvers) + if (_MR_MODE_MAX == mr_mode) { - vlib_cli_output (vm, "%U", format_ip_address, addr); + clib_warning ("No LISP map request mode entered!"); + return 0; } + + vnet_lisp_set_map_request_mode (mr_mode); +done: return 0; } +/* *INDENT-OFF* */ +VLIB_CLI_COMMAND (lisp_map_request_mode_command) = { + .path = "lisp map-request mode", + .short_help = "lisp map-request mode dst-only|src-dst", + .function = lisp_map_request_mode_command_fn, +}; +/* *INDENT-ON* */ + +static u8 * +format_lisp_map_request_mode (u8 * s, va_list * args) +{ + u32 mode = va_arg (*args, u32); + + switch (mode) + { + case 0: + return format (0, "dst-only"); + case 1: + return format (0, "src-dst"); + } + return 0; +} + +static clib_error_t * +lisp_show_map_request_mode_command_fn (vlib_main_t * vm, + unformat_input_t * input, + vlib_cli_command_t * cmd) +{ + vlib_cli_output (vm, "map-request mode: %U", format_lisp_map_request_mode, + vnet_lisp_get_map_request_mode ()); + return 0; +} + +/* *INDENT-OFF* */ +VLIB_CLI_COMMAND (lisp_show_map_request_mode_command) = { + .path = "show lisp map-request mode", + .short_help = "show lisp map-request mode", + .function = lisp_show_map_request_mode_command_fn, +}; +/* *INDENT-ON* */ + +static clib_error_t * +lisp_show_map_resolvers_command_fn (vlib_main_t * vm, + unformat_input_t * input, + vlib_cli_command_t * cmd) +{ + map_resolver_t *mr; + lisp_cp_main_t *lcm = vnet_lisp_cp_get_main (); + + vec_foreach (mr, lcm->map_resolvers) + { + vlib_cli_output (vm, "%U", format_ip_address, &mr->address); + } + return 0; +} + +/* *INDENT-OFF* */ VLIB_CLI_COMMAND (lisp_show_map_resolvers_command) = { .path = "show lisp map-resolvers", .short_help = "show lisp map-resolvers", .function = lisp_show_map_resolvers_command_fn, }; +/* *INDENT-ON* */ int vnet_lisp_pitr_set_locator_set (u8 * locator_set_name, u8 is_add) { - lisp_cp_main_t * lcm = vnet_lisp_cp_get_main (); + lisp_cp_main_t *lcm = vnet_lisp_cp_get_main (); u32 locator_set_index = ~0; - mapping_t * m; - uword * p; + mapping_t *m; + uword *p; if (vnet_lisp_enable_disable_status () == 0) { @@ -1292,28 +1441,28 @@ vnet_lisp_pitr_set_locator_set (u8 * locator_set_name, u8 is_add) static clib_error_t * lisp_pitr_set_locator_set_command_fn (vlib_main_t * vm, - unformat_input_t * input, - vlib_cli_command_t * cmd) + unformat_input_t * input, + vlib_cli_command_t * cmd) { u8 locator_name_set = 0; - u8 * locator_set_name = 0; + u8 *locator_set_name = 0; u8 is_add = 1; - unformat_input_t _line_input, * line_input = &_line_input; - clib_error_t * error = 0; + unformat_input_t _line_input, *line_input = &_line_input; + clib_error_t *error = 0; int rv = 0; /* Get a line of input. */ - if (! unformat_user (input, unformat_line_input, line_input)) + if (!unformat_user (input, unformat_line_input, line_input)) return 0; while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT) { if (unformat (line_input, "ls %_%v%_", &locator_set_name)) - locator_name_set = 1; + locator_name_set = 1; else if (unformat (line_input, "disable")) - is_add = 0; + is_add = 0; else - return clib_error_return (0, "parse error"); + return clib_error_return (0, "parse error"); } if (!locator_name_set) @@ -1324,8 +1473,8 @@ lisp_pitr_set_locator_set_command_fn (vlib_main_t * vm, rv = vnet_lisp_pitr_set_locator_set (locator_set_name, is_add); if (0 != rv) { - error = clib_error_return(0, "failed to %s pitr!", - is_add ? "add" : "delete"); + error = clib_error_return (0, "failed to %s pitr!", + is_add ? "add" : "delete"); } done: @@ -1334,81 +1483,196 @@ done: return error; } +/* *INDENT-OFF* */ VLIB_CLI_COMMAND (lisp_pitr_set_locator_set_command) = { .path = "lisp pitr", .short_help = "lisp pitr [disable] ls ", .function = lisp_pitr_set_locator_set_command_fn, }; +/* *INDENT-ON* */ + +static clib_error_t * +lisp_show_pitr_command_fn (vlib_main_t * vm, + unformat_input_t * input, vlib_cli_command_t * cmd) +{ + lisp_cp_main_t *lcm = vnet_lisp_cp_get_main (); + mapping_t *m; + locator_set_t *ls; + u8 *tmp_str = 0; + + vlib_cli_output (vm, "%=20s%=16s", + "pitr", lcm->lisp_pitr ? "locator-set" : ""); + + if (!lcm->lisp_pitr) + { + vlib_cli_output (vm, "%=20s", "disable"); + return 0; + } + + if (~0 == lcm->pitr_map_index) + { + tmp_str = format (0, "N/A"); + } + else + { + m = pool_elt_at_index (lcm->mapping_pool, lcm->pitr_map_index); + if (~0 != m->locator_set_index) + { + ls = + pool_elt_at_index (lcm->locator_set_pool, m->locator_set_index); + tmp_str = format (0, "%s", ls->name); + } + else + { + tmp_str = format (0, "N/A"); + } + } + vec_add1 (tmp_str, 0); + + vlib_cli_output (vm, "%=20s%=16s", "enable", tmp_str); + + vec_free (tmp_str); + + return 0; +} +/* *INDENT-OFF* */ +VLIB_CLI_COMMAND (lisp_show_pitr_command) = { + .path = "show lisp pitr", + .short_help = "Show pitr", + .function = lisp_show_pitr_command_fn, +}; +/* *INDENT-ON* */ static u8 * format_eid_entry (u8 * s, va_list * args) { - vnet_main_t * vnm = va_arg (*args, vnet_main_t *); - lisp_cp_main_t * lcm = va_arg (*args, lisp_cp_main_t *); - gid_address_t * gid = va_arg (*args, gid_address_t *); - locator_set_t * ls = va_arg (*args, locator_set_t *); - u32 * loc_index; + vnet_main_t *vnm = va_arg (*args, vnet_main_t *); + lisp_cp_main_t *lcm = va_arg (*args, lisp_cp_main_t *); + mapping_t *mapit = va_arg (*args, mapping_t *); + locator_set_t *ls = va_arg (*args, locator_set_t *); + gid_address_t *gid = &mapit->eid; + u32 ttl = mapit->ttl; + u8 aut = mapit->authoritative; + u32 *loc_index; u8 first_line = 1; - u8 * loc; + u8 *loc; - u8 * type = ls->local ? format(0, "local(%s)", ls->name) - : format(0, "remote"); + u8 *type = ls->local ? format (0, "local(%s)", ls->name) + : format (0, "remote"); if (vec_len (ls->locator_indices) == 0) { - s = format (s, "%-35U%-20s", format_gid_address, gid, type); + s = format (s, "%-35U%-30s%-20u%-u", format_gid_address, gid, + type, ttl, aut); } else { vec_foreach (loc_index, ls->locator_indices) - { - locator_t * l = pool_elt_at_index (lcm->locator_pool, loc_index[0]); - if (l->local) - loc = format (0, "%U", format_vnet_sw_if_index_name, vnm, - l->sw_if_index); - else - loc = format (0, "%U", format_ip_address, - &gid_address_ip (&l->address)); - - if (first_line) - { - s = format (s, "%-35U%-20s%-v\n", format_gid_address, - gid, type, loc); - first_line = 0; - } - else - s = format (s, "%55s%v\n", "", loc); - } + { + locator_t *l = pool_elt_at_index (lcm->locator_pool, loc_index[0]); + if (l->local) + loc = format (0, "%U", format_vnet_sw_if_index_name, vnm, + l->sw_if_index); + else + loc = format (0, "%U", format_ip_address, + &gid_address_ip (&l->address)); + + if (first_line) + { + s = format (s, "%-35U%-20s%-30v%-20u%-u\n", format_gid_address, + gid, type, loc, ttl, aut); + first_line = 0; + } + else + s = format (s, "%55s%v\n", "", loc); + } } return s; } static clib_error_t * lisp_show_eid_table_command_fn (vlib_main_t * vm, - unformat_input_t * input, - vlib_cli_command_t * cmd) + unformat_input_t * input, + vlib_cli_command_t * cmd) { - lisp_cp_main_t * lcm = vnet_lisp_cp_get_main(); - mapping_t * mapit; + lisp_cp_main_t *lcm = vnet_lisp_cp_get_main (); + mapping_t *mapit; + unformat_input_t _line_input, *line_input = &_line_input; + u32 mi; + gid_address_t eid; + u8 print_all = 1; + u8 filter = 0; - vlib_cli_output (vm, "%-35s%-20s%-s", "EID", "type", "locators"); - pool_foreach (mapit, lcm->mapping_pool, - ({ - locator_set_t * ls = pool_elt_at_index (lcm->locator_set_pool, - mapit->locator_set_index); - vlib_cli_output (vm, "%U", format_eid_entry, lcm->vnet_main, - lcm, &mapit->eid, ls); - })); + memset (&eid, 0, sizeof (eid)); + + /* Get a line of input. */ + if (!unformat_user (input, unformat_line_input, line_input)) + return 0; + + while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT) + { + if (unformat (line_input, "eid %U", unformat_gid_address, &eid)) + print_all = 0; + else if (unformat (line_input, "local")) + filter = 1; + else if (unformat (line_input, "remote")) + filter = 2; + else + return clib_error_return (0, "parse error: '%U'", + format_unformat_error, line_input); + } + + vlib_cli_output (vm, "%-35s%-20s%-30s%-20s%-s", + "EID", "type", "locators", "ttl", "autoritative"); + + if (print_all) + { + /* *INDENT-OFF* */ + pool_foreach (mapit, lcm->mapping_pool, + ({ + locator_set_t * ls = pool_elt_at_index (lcm->locator_set_pool, + mapit->locator_set_index); + if (filter && !((1 == filter && ls->local) || + (2 == filter && !ls->local))) + { + continue; + } + vlib_cli_output (vm, "%U", format_eid_entry, lcm->vnet_main, + lcm, mapit, ls); + })); + /* *INDENT-ON* */ + } + else + { + mi = gid_dictionary_lookup (&lcm->mapping_index_by_gid, &eid); + if ((u32) ~ 0 == mi) + return 0; + + mapit = pool_elt_at_index (lcm->mapping_pool, mi); + locator_set_t *ls = pool_elt_at_index (lcm->locator_set_pool, + mapit->locator_set_index); + + if (filter && !((1 == filter && ls->local) || + (2 == filter && !ls->local))) + { + return 0; + } + + vlib_cli_output (vm, "%U,", format_eid_entry, lcm->vnet_main, + lcm, mapit, ls); + } return 0; } +/* *INDENT-OFF* */ VLIB_CLI_COMMAND (lisp_cp_show_eid_table_command) = { .path = "show lisp eid-table", .short_help = "Shows EID table", .function = lisp_show_eid_table_command_fn, }; +/* *INDENT-ON* */ /* cleans locator to locator-set data and removes locators not part of * any locator-set */ @@ -1416,37 +1680,37 @@ static void clean_locator_to_locator_set (lisp_cp_main_t * lcm, u32 lsi) { u32 i, j, *loc_indexp, *ls_indexp, **ls_indexes, *to_be_deleted = 0; - locator_set_t * ls = pool_elt_at_index(lcm->locator_set_pool, lsi); - for (i = 0; i < vec_len(ls->locator_indices); i++) - { - loc_indexp = vec_elt_at_index(ls->locator_indices, i); - ls_indexes = vec_elt_at_index(lcm->locator_to_locator_sets, - loc_indexp[0]); - for (j = 0; j < vec_len(ls_indexes[0]); j++) - { - ls_indexp = vec_elt_at_index(ls_indexes[0], j); - if (ls_indexp[0] == lsi) - break; - } - - /* delete index for removed locator-set*/ - vec_del1(ls_indexes[0], j); + locator_set_t *ls = pool_elt_at_index (lcm->locator_set_pool, lsi); + for (i = 0; i < vec_len (ls->locator_indices); i++) + { + loc_indexp = vec_elt_at_index (ls->locator_indices, i); + ls_indexes = vec_elt_at_index (lcm->locator_to_locator_sets, + loc_indexp[0]); + for (j = 0; j < vec_len (ls_indexes[0]); j++) + { + ls_indexp = vec_elt_at_index (ls_indexes[0], j); + if (ls_indexp[0] == lsi) + break; + } + + /* delete index for removed locator-set */ + vec_del1 (ls_indexes[0], j); /* delete locator if it's part of no locator-set */ if (vec_len (ls_indexes[0]) == 0) - { - pool_put_index (lcm->locator_pool, loc_indexp[0]); - vec_add1 (to_be_deleted, i); - } + { + pool_put_index (lcm->locator_pool, loc_indexp[0]); + vec_add1 (to_be_deleted, i); + } } if (to_be_deleted) { for (i = 0; i < vec_len (to_be_deleted); i++) - { - loc_indexp = vec_elt_at_index (to_be_deleted, i); - vec_del1 (ls->locator_indices, loc_indexp[0]); - } + { + loc_indexp = vec_elt_at_index (to_be_deleted, i); + vec_del1 (ls->locator_indices, loc_indexp[0]); + } vec_free (to_be_deleted); } } @@ -1454,15 +1718,15 @@ clean_locator_to_locator_set (lisp_cp_main_t * lcm, u32 lsi) static inline uword * get_locator_set_index (vnet_lisp_add_del_locator_set_args_t * a, uword * p) { - lisp_cp_main_t * lcm = vnet_lisp_cp_get_main(); + lisp_cp_main_t *lcm = vnet_lisp_cp_get_main (); - ASSERT(a != NULL); - ASSERT(p != NULL); + ASSERT (a != NULL); + ASSERT (p != NULL); /* find locator-set */ if (a->local) { - p = hash_get_mem(lcm->locator_set_index_by_name, a->name); + p = hash_get_mem (lcm->locator_set_index_by_name, a->name); } else { @@ -1474,57 +1738,56 @@ get_locator_set_index (vnet_lisp_add_del_locator_set_args_t * a, uword * p) static inline int is_locator_in_locator_set (lisp_cp_main_t * lcm, locator_set_t * ls, - locator_t * loc) + locator_t * loc) { - locator_t * itloc; - u32 * locit; + locator_t *itloc; + u32 *locit; - ASSERT(ls != NULL); - ASSERT(loc != NULL); + ASSERT (ls != NULL); + ASSERT (loc != NULL); - vec_foreach(locit, ls->locator_indices) - { - itloc = pool_elt_at_index(lcm->locator_pool, locit[0]); - if (itloc->sw_if_index == loc->sw_if_index || - !gid_address_cmp(&itloc->address, &loc->address)) - { - clib_warning("Duplicate locator"); - return VNET_API_ERROR_VALUE_EXIST; - } - } + vec_foreach (locit, ls->locator_indices) + { + itloc = pool_elt_at_index (lcm->locator_pool, locit[0]); + if ((ls->local && itloc->sw_if_index == loc->sw_if_index) || + (!ls->local && !gid_address_cmp (&itloc->address, &loc->address))) + { + clib_warning ("Duplicate locator"); + return VNET_API_ERROR_VALUE_EXIST; + } + } return 0; } static inline void -remove_locator_from_locator_set (locator_set_t * ls, u32 * locit, u32 ls_index, - u32 loc_id) +remove_locator_from_locator_set (locator_set_t * ls, u32 * locit, + u32 ls_index, u32 loc_id) { - lisp_cp_main_t * lcm = vnet_lisp_cp_get_main(); - u32 ** ls_indexes = NULL; + lisp_cp_main_t *lcm = vnet_lisp_cp_get_main (); + u32 **ls_indexes = NULL; - ASSERT(ls != NULL); - ASSERT(locit != NULL); + ASSERT (ls != NULL); + ASSERT (locit != NULL); - ls_indexes = vec_elt_at_index(lcm->locator_to_locator_sets, - locit[0]); - pool_put_index(lcm->locator_pool, locit[0]); - vec_del1(ls->locator_indices, loc_id); - vec_del1(ls_indexes[0], ls_index); + ls_indexes = vec_elt_at_index (lcm->locator_to_locator_sets, locit[0]); + pool_put_index (lcm->locator_pool, locit[0]); + vec_del1 (ls->locator_indices, loc_id); + vec_del1 (ls_indexes[0], ls_index); } int vnet_lisp_add_del_locator (vnet_lisp_add_del_locator_set_args_t * a, - locator_set_t * ls, u32 * ls_result) + locator_set_t * ls, u32 * ls_result) { - lisp_cp_main_t * lcm = vnet_lisp_cp_get_main(); - locator_t * loc = NULL, *itloc = NULL; - uword _p = (u32)~0, * p = &_p; - u32 loc_index = ~0, ls_index = ~0, * locit = NULL, ** ls_indexes = NULL; + lisp_cp_main_t *lcm = vnet_lisp_cp_get_main (); + locator_t *loc = NULL, *itloc = NULL; + uword _p = (u32) ~ 0, *p = &_p; + u32 loc_index = ~0, ls_index = ~0, *locit = NULL, **ls_indexes = NULL; u32 loc_id = ~0; int ret = 0; - ASSERT(a != NULL); + ASSERT (a != NULL); if (vnet_lisp_enable_disable_status () == 0) { @@ -1532,89 +1795,86 @@ vnet_lisp_add_del_locator (vnet_lisp_add_del_locator_set_args_t * a, return VNET_API_ERROR_LISP_DISABLED; } - p = get_locator_set_index(a, p); + p = get_locator_set_index (a, p); if (!p) { - clib_warning("locator-set %v doesn't exist", a->name); + clib_warning ("locator-set %v doesn't exist", a->name); return VNET_API_ERROR_INVALID_ARGUMENT; } if (ls == 0) { - ls = pool_elt_at_index(lcm->locator_set_pool, p[0]); + ls = pool_elt_at_index (lcm->locator_set_pool, p[0]); if (!ls) - { - clib_warning("locator-set %d to be overwritten doesn't exist!", - p[0]); - return VNET_API_ERROR_INVALID_ARGUMENT; - } + { + clib_warning ("locator-set %d to be overwritten doesn't exist!", + p[0]); + return VNET_API_ERROR_INVALID_ARGUMENT; + } } if (a->is_add) { + if (ls_result) + ls_result[0] = p[0]; - if (ls_result) - ls_result[0] = p[0]; - - /* allocate locators */ - vec_foreach (itloc, a->locators) - { - ret = is_locator_in_locator_set(lcm, ls, itloc); - if (0 != ret) - { - return ret; - } - - pool_get(lcm->locator_pool, loc); - loc[0] = itloc[0]; - loc_index = loc - lcm->locator_pool; - - vec_add1(ls->locator_indices, loc_index); - - vec_validate (lcm->locator_to_locator_sets, loc_index); - ls_indexes = vec_elt_at_index(lcm->locator_to_locator_sets, - loc_index); - vec_add1(ls_indexes[0], ls_index); - } - } - else + /* allocate locators */ + vec_foreach (itloc, a->locators) { - ls_index = p[0]; + ret = is_locator_in_locator_set (lcm, ls, itloc); + if (0 != ret) + { + return ret; + } + + pool_get (lcm->locator_pool, loc); + loc[0] = itloc[0]; + loc_index = loc - lcm->locator_pool; + + vec_add1 (ls->locator_indices, loc_index); + + vec_validate (lcm->locator_to_locator_sets, loc_index); + ls_indexes = vec_elt_at_index (lcm->locator_to_locator_sets, + loc_index); + vec_add1 (ls_indexes[0], p[0]); + } + } + else + { + ls_index = p[0]; - itloc = a->locators; - loc_id = 0; - vec_foreach (locit, ls->locator_indices) - { - loc = pool_elt_at_index(lcm->locator_pool, locit[0]); - - if (loc->local && loc->sw_if_index == itloc->sw_if_index) - { - remove_locator_from_locator_set(ls, locit, - ls_index, loc_id); - } - if (0 == loc->local && - !gid_address_cmp(&loc->address, &itloc->address)) - { - remove_locator_from_locator_set(ls, locit, - ls_index, loc_id); - } - - loc_id++; - } + itloc = a->locators; + loc_id = 0; + vec_foreach (locit, ls->locator_indices) + { + loc = pool_elt_at_index (lcm->locator_pool, locit[0]); + + if (loc->local && loc->sw_if_index == itloc->sw_if_index) + { + remove_locator_from_locator_set (ls, locit, ls_index, loc_id); + } + if (0 == loc->local && + !gid_address_cmp (&loc->address, &itloc->address)) + { + remove_locator_from_locator_set (ls, locit, ls_index, loc_id); + } + + loc_id++; } + } return 0; } int vnet_lisp_add_del_locator_set (vnet_lisp_add_del_locator_set_args_t * a, - u32 * ls_result) + u32 * ls_result) { - lisp_cp_main_t * lcm = vnet_lisp_cp_get_main(); - locator_set_t * ls; - uword _p = (u32)~0, * p = &_p; + lisp_cp_main_t *lcm = vnet_lisp_cp_get_main (); + locator_set_t *ls; + uword _p = (u32) ~ 0, *p = &_p; u32 ls_index; - u32 ** eid_indexes; + u32 **eid_indexes; int ret = 0; if (vnet_lisp_enable_disable_status () == 0) @@ -1625,115 +1885,123 @@ vnet_lisp_add_del_locator_set (vnet_lisp_add_del_locator_set_args_t * a, if (a->is_add) { - p = get_locator_set_index(a, p); + p = get_locator_set_index (a, p); /* overwrite */ - if (p && p[0] != (u32)~0) - { - ls = pool_elt_at_index(lcm->locator_set_pool, p[0]); - if (!ls) - { - clib_warning("locator-set %d to be overwritten doesn't exist!", - p[0]); - return -1; - } - - /* clean locator to locator-set vectors and remove locators if - * they're not part of another locator-set */ - clean_locator_to_locator_set (lcm, p[0]); - - /* remove locator indices from locator set */ - vec_free(ls->locator_indices); - - ls_index = p[0]; - - if (ls_result) - ls_result[0] = p[0]; - } + if (p && p[0] != (u32) ~ 0) + { + ls = pool_elt_at_index (lcm->locator_set_pool, p[0]); + if (!ls) + { + clib_warning ("locator-set %d to be overwritten doesn't exist!", + p[0]); + return -1; + } + + /* clean locator to locator-set vectors and remove locators if + * they're not part of another locator-set */ + clean_locator_to_locator_set (lcm, p[0]); + + /* remove locator indices from locator set */ + vec_free (ls->locator_indices); + + ls_index = p[0]; + + if (ls_result) + ls_result[0] = p[0]; + } /* new locator-set */ else - { - pool_get(lcm->locator_set_pool, ls); - memset(ls, 0, sizeof(*ls)); - ls_index = ls - lcm->locator_set_pool; - - if (a->local) - { - ls->name = vec_dup(a->name); - - if (!lcm->locator_set_index_by_name) - lcm->locator_set_index_by_name = hash_create_vec( - /* size */0, sizeof(ls->name[0]), sizeof(uword)); - hash_set_mem(lcm->locator_set_index_by_name, ls->name, ls_index); - - /* mark as local locator-set */ - vec_add1(lcm->local_locator_set_indexes, ls_index); - } - ls->local = a->local; - if (ls_result) - ls_result[0] = ls_index; - } - - ret = vnet_lisp_add_del_locator(a, ls, NULL); + { + pool_get (lcm->locator_set_pool, ls); + memset (ls, 0, sizeof (*ls)); + ls_index = ls - lcm->locator_set_pool; + + if (a->local) + { + ls->name = vec_dup (a->name); + + if (!lcm->locator_set_index_by_name) + lcm->locator_set_index_by_name = hash_create_vec ( + /* size */ + 0, + sizeof + (ls->name + [0]), + sizeof + (uword)); + hash_set_mem (lcm->locator_set_index_by_name, ls->name, + ls_index); + + /* mark as local locator-set */ + vec_add1 (lcm->local_locator_set_indexes, ls_index); + } + ls->local = a->local; + if (ls_result) + ls_result[0] = ls_index; + } + + ret = vnet_lisp_add_del_locator (a, ls, NULL); if (0 != ret) - { - return ret; - } + { + return ret; + } } else { - p = get_locator_set_index(a, p); + p = get_locator_set_index (a, p); if (!p) - { - clib_warning("locator-set %v doesn't exists", a->name); - return -1; - } + { + clib_warning ("locator-set %v doesn't exists", a->name); + return -1; + } - ls = pool_elt_at_index(lcm->locator_set_pool, p[0]); + ls = pool_elt_at_index (lcm->locator_set_pool, p[0]); if (!ls) - { - clib_warning("locator-set with index %d doesn't exists", p[0]); - return -1; - } + { + clib_warning ("locator-set with index %d doesn't exists", p[0]); + return -1; + } if (lcm->mreq_itr_rlocs == p[0]) - { - clib_warning ("Can't delete the locator-set used to constrain " - "the itr-rlocs in map-requests!"); - return -1; - } - - if (vec_len(lcm->locator_set_to_eids) != 0) - { - eid_indexes = vec_elt_at_index(lcm->locator_set_to_eids, p[0]); - if (vec_len(eid_indexes[0]) != 0) - { - clib_warning ("Can't delete a locator that supports a mapping!"); - return -1; - } - } + { + clib_warning ("Can't delete the locator-set used to constrain " + "the itr-rlocs in map-requests!"); + return -1; + } + + if (vec_len (lcm->locator_set_to_eids) != 0) + { + eid_indexes = vec_elt_at_index (lcm->locator_set_to_eids, p[0]); + if (vec_len (eid_indexes[0]) != 0) + { + clib_warning + ("Can't delete a locator that supports a mapping!"); + return -1; + } + } /* clean locator to locator-sets data */ clean_locator_to_locator_set (lcm, p[0]); if (ls->local) - { - u32 it, lsi; - - vec_foreach_index(it, lcm->local_locator_set_indexes) - { - lsi = vec_elt(lcm->local_locator_set_indexes, it); - if (lsi == p[0]) - { - vec_del1(lcm->local_locator_set_indexes, it); - break; - } - } - hash_unset_mem(lcm->locator_set_index_by_name, ls->name); - } - vec_free(ls->name); - vec_free(ls->locator_indices); - pool_put(lcm->locator_set_pool, ls); + { + u32 it, lsi; + + vec_foreach_index (it, lcm->local_locator_set_indexes) + { + lsi = vec_elt (lcm->local_locator_set_indexes, it); + if (lsi == p[0]) + { + vec_del1 (lcm->local_locator_set_indexes, it); + break; + } + } + hash_unset_mem (lcm->locator_set_index_by_name, ls->name); + } + vec_free (ls->name); + vec_free (ls->locator_indices); + pool_put (lcm->locator_set_pool, ls); } return 0; } @@ -1741,32 +2009,38 @@ vnet_lisp_add_del_locator_set (vnet_lisp_add_del_locator_set_args_t * a, clib_error_t * vnet_lisp_enable_disable (u8 is_enable) { - u32 vni, table_id; - clib_error_t * error = 0; - lisp_cp_main_t * lcm = vnet_lisp_cp_get_main (); - vnet_lisp_gpe_enable_disable_args_t _a, * a = &_a; + u32 vni, dp_table; + clib_error_t *error = 0; + lisp_cp_main_t *lcm = vnet_lisp_cp_get_main (); + vnet_lisp_gpe_enable_disable_args_t _a, *a = &_a; a->is_en = is_enable; error = vnet_lisp_gpe_enable_disable (a); if (error) { return clib_error_return (0, "failed to %s data-plane!", - a->is_en ? "enable" : "disable"); + a->is_en ? "enable" : "disable"); } if (is_enable) { - /* enable all ifaces */ - hash_foreach(vni, table_id, lcm->table_id_by_vni, ({ - dp_add_del_iface(lcm, vni, 1); + /* enable all l2 and l3 ifaces */ + + /* *INDENT-OFF* */ + hash_foreach(vni, dp_table, lcm->table_id_by_vni, ({ + dp_add_del_iface(lcm, vni, 0, 1); + })); + hash_foreach(vni, dp_table, lcm->bd_id_by_vni, ({ + dp_add_del_iface(lcm, vni, /* is_l2 */ 1, 1); })); + /* *INDENT-ON* */ } else { /* clear interface table */ - hash_free(lcm->dp_intf_by_vni); - hash_free(lcm->fwd_entry_by_mapping_index); - pool_free(lcm->fwd_entry_pool); + hash_free (lcm->dp_intf_by_vni); + hash_free (lcm->fwd_entry_by_mapping_index); + pool_free (lcm->fwd_entry_pool); } /* update global flag */ @@ -1777,137 +2051,180 @@ vnet_lisp_enable_disable (u8 is_enable) static clib_error_t * lisp_enable_disable_command_fn (vlib_main_t * vm, unformat_input_t * input, - vlib_cli_command_t * cmd) + vlib_cli_command_t * cmd) { - unformat_input_t _line_input, * line_input = &_line_input; + unformat_input_t _line_input, *line_input = &_line_input; u8 is_enabled = 0; u8 is_set = 0; /* Get a line of input. */ - if (! unformat_user (input, unformat_line_input, line_input)) + if (!unformat_user (input, unformat_line_input, line_input)) return 0; while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT) { if (unformat (line_input, "enable")) - { - is_set = 1; - is_enabled = 1; - } + { + is_set = 1; + is_enabled = 1; + } else if (unformat (line_input, "disable")) - is_set = 1; + is_set = 1; else - { - return clib_error_return (0, "parse error: '%U'", - format_unformat_error, line_input); - } + { + return clib_error_return (0, "parse error: '%U'", + format_unformat_error, line_input); + } } if (!is_set) - return clib_error_return (0, "state not set"); + return clib_error_return (0, "state not set"); return vnet_lisp_enable_disable (is_enabled); } +/* *INDENT-OFF* */ VLIB_CLI_COMMAND (lisp_cp_enable_disable_command) = { .path = "lisp", .short_help = "lisp [enable|disable]", .function = lisp_enable_disable_command_fn, }; +/* *INDENT-ON* */ u8 vnet_lisp_enable_disable_status (void) { - lisp_cp_main_t * lcm = vnet_lisp_cp_get_main (); + lisp_cp_main_t *lcm = vnet_lisp_cp_get_main (); return lcm->is_enabled; } static u8 * format_lisp_status (u8 * s, va_list * args) { - lisp_cp_main_t * lcm = vnet_lisp_cp_get_main (); + lisp_cp_main_t *lcm = vnet_lisp_cp_get_main (); return format (s, "%s", lcm->is_enabled ? "enabled" : "disabled"); } static clib_error_t * lisp_show_status_command_fn (vlib_main_t * vm, unformat_input_t * input, - vlib_cli_command_t * cmd) + vlib_cli_command_t * cmd) { - u8 * msg = 0; + u8 *msg = 0; msg = format (msg, "feature: %U\ngpe: %U\n", - format_lisp_status, format_vnet_lisp_gpe_status); + format_lisp_status, format_vnet_lisp_gpe_status); vlib_cli_output (vm, "%v", msg); vec_free (msg); return 0; } +/* *INDENT-OFF* */ VLIB_CLI_COMMAND (lisp_show_status_command) = { .path = "show lisp status", .short_help = "show lisp status", .function = lisp_show_status_command_fn, }; +/* *INDENT-ON* */ static clib_error_t * -lisp_show_eid_table_map_command_fn (vlib_main_t * vm, unformat_input_t * input, - vlib_cli_command_t * cmd) +lisp_show_eid_table_map_command_fn (vlib_main_t * vm, + unformat_input_t * input, + vlib_cli_command_t * cmd) { - hash_pair_t * p; - lisp_cp_main_t * lcm = vnet_lisp_cp_get_main (); + hash_pair_t *p; + unformat_input_t _line_input, *line_input = &_line_input; + lisp_cp_main_t *lcm = vnet_lisp_cp_get_main (); + uword *vni_table = 0; + u8 is_l2 = 0; + + /* Get a line of input. */ + if (!unformat_user (input, unformat_line_input, line_input)) + return 0; + + while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT) + { + if (unformat (line_input, "l2")) + { + vni_table = lcm->bd_id_by_vni; + is_l2 = 1; + } + else if (unformat (line_input, "l3")) + { + vni_table = lcm->table_id_by_vni; + is_l2 = 0; + } + else + return clib_error_return (0, "parse error: '%U'", + format_unformat_error, line_input); + } - vlib_cli_output (vm, "%=10s%=10s", "VNI", "VRF"); - hash_foreach_pair (p, lcm->table_id_by_vni, + if (!vni_table) { - vlib_cli_output (vm, "%=10d%=10d", p->key, p->value[0]); - }); + vlib_cli_output (vm, "Error: expected l2|l3 param!\n"); + return 0; + } + + vlib_cli_output (vm, "%=10s%=10s", "VNI", is_l2 ? "BD" : "VRF"); + + /* *INDENT-OFF* */ + hash_foreach_pair (p, vni_table, + ({ + vlib_cli_output (vm, "%=10d%=10d", p->key, p->value[0]); + })); + /* *INDENT-ON* */ + return 0; } +/* *INDENT-OFF* */ VLIB_CLI_COMMAND (lisp_show_eid_table_map_command) = { .path = "show lisp eid-table map", - .short_help = "show lisp eid-table vni to vrf mappings", + .short_help = "show lisp eid-table l2|l3", .function = lisp_show_eid_table_map_command_fn, }; +/* *INDENT-ON* */ static clib_error_t * -lisp_add_del_locator_set_command_fn (vlib_main_t * vm, unformat_input_t * input, - vlib_cli_command_t * cmd) +lisp_add_del_locator_set_command_fn (vlib_main_t * vm, + unformat_input_t * input, + vlib_cli_command_t * cmd) { - lisp_gpe_main_t * lgm = &lisp_gpe_main; - vnet_main_t * vnm = lgm->vnet_main; - unformat_input_t _line_input, * line_input = &_line_input; + lisp_gpe_main_t *lgm = &lisp_gpe_main; + vnet_main_t *vnm = lgm->vnet_main; + unformat_input_t _line_input, *line_input = &_line_input; u8 is_add = 1; - clib_error_t * error = 0; - u8 * locator_set_name = 0; - locator_t locator, * locators = 0; - vnet_lisp_add_del_locator_set_args_t _a, * a = &_a; + clib_error_t *error = 0; + u8 *locator_set_name = 0; + locator_t locator, *locators = 0; + vnet_lisp_add_del_locator_set_args_t _a, *a = &_a; u32 ls_index = 0; int rv = 0; - memset(&locator, 0, sizeof(locator)); - memset(a, 0, sizeof(a[0])); + memset (&locator, 0, sizeof (locator)); + memset (a, 0, sizeof (a[0])); /* Get a line of input. */ - if (! unformat_user (input, unformat_line_input, line_input)) + if (!unformat_user (input, unformat_line_input, line_input)) return 0; while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT) { if (unformat (line_input, "add %_%v%_", &locator_set_name)) - is_add = 1; + is_add = 1; else if (unformat (line_input, "del %_%v%_", &locator_set_name)) - is_add = 0; + is_add = 0; else if (unformat (line_input, "iface %U p %d w %d", - unformat_vnet_sw_interface, vnm, &locator.sw_if_index, - &locator.priority, &locator.weight)) - { - locator.local = 1; - vec_add1(locators, locator); - } + unformat_vnet_sw_interface, vnm, + &locator.sw_if_index, &locator.priority, + &locator.weight)) + { + locator.local = 1; + vec_add1 (locators, locator); + } else - { - error = unformat_parse_error(line_input); - goto done; - } + { + error = unformat_parse_error (line_input); + goto done; + } } a->name = locator_set_name; @@ -1915,114 +2232,129 @@ lisp_add_del_locator_set_command_fn (vlib_main_t * vm, unformat_input_t * input, a->is_add = is_add; a->local = 1; - rv = vnet_lisp_add_del_locator_set(a, &ls_index); + rv = vnet_lisp_add_del_locator_set (a, &ls_index); if (0 != rv) { - error = clib_error_return(0, "failed to %s locator-set!", - is_add ? "add" : "delete"); + error = clib_error_return (0, "failed to %s locator-set!", + is_add ? "add" : "delete"); } - done: - vec_free(locators); +done: + vec_free (locators); if (locator_set_name) vec_free (locator_set_name); return error; } +/* *INDENT-OFF* */ VLIB_CLI_COMMAND (lisp_cp_add_del_locator_set_command) = { .path = "lisp locator-set", .short_help = "lisp locator-set add/del [iface " "p w ]", .function = lisp_add_del_locator_set_command_fn, }; +/* *INDENT-ON* */ static clib_error_t * -lisp_add_del_locator_in_set_command_fn (vlib_main_t * vm, unformat_input_t * input, - vlib_cli_command_t * cmd) +lisp_add_del_locator_in_set_command_fn (vlib_main_t * vm, + unformat_input_t * input, + vlib_cli_command_t * cmd) { - lisp_gpe_main_t * lgm = &lisp_gpe_main; - vnet_main_t * vnm = lgm->vnet_main; - unformat_input_t _line_input, * line_input = &_line_input; + lisp_gpe_main_t *lgm = &lisp_gpe_main; + vnet_main_t *vnm = lgm->vnet_main; + unformat_input_t _line_input, *line_input = &_line_input; u8 is_add = 1; - clib_error_t * error = 0; - u8 * locator_set_name = 0; + clib_error_t *error = 0; + u8 *locator_set_name = 0; u8 locator_set_name_set = 0; - locator_t locator, * locators = 0; - vnet_lisp_add_del_locator_set_args_t _a, * a = &_a; + locator_t locator, *locators = 0; + vnet_lisp_add_del_locator_set_args_t _a, *a = &_a; u32 ls_index = 0; - memset(&locator, 0, sizeof(locator)); - memset(a, 0, sizeof(a[0])); + memset (&locator, 0, sizeof (locator)); + memset (a, 0, sizeof (a[0])); /* Get a line of input. */ - if (! unformat_user (input, unformat_line_input, line_input)) + if (!unformat_user (input, unformat_line_input, line_input)) return 0; while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT) { if (unformat (line_input, "add")) - is_add = 1; + is_add = 1; else if (unformat (line_input, "del")) - is_add = 0; - else if (unformat(line_input, "locator-set %_%v%_", &locator_set_name)) - locator_set_name_set = 1; + is_add = 0; + else if (unformat (line_input, "locator-set %_%v%_", &locator_set_name)) + locator_set_name_set = 1; else if (unformat (line_input, "iface %U p %d w %d", - unformat_vnet_sw_interface, vnm, &locator.sw_if_index, - &locator.priority, &locator.weight)) - { - locator.local = 1; - vec_add1(locators, locator); - } + unformat_vnet_sw_interface, vnm, + &locator.sw_if_index, &locator.priority, + &locator.weight)) + { + locator.local = 1; + vec_add1 (locators, locator); + } else - { - error = unformat_parse_error(line_input); - goto done; - } + { + error = unformat_parse_error (line_input); + goto done; + } } if (!locator_set_name_set) { - error = clib_error_return(0, "locator_set name not set!"); + error = clib_error_return (0, "locator_set name not set!"); goto done; - } + } a->name = locator_set_name; a->locators = locators; a->is_add = is_add; a->local = 1; - vnet_lisp_add_del_locator(a, 0, &ls_index); + vnet_lisp_add_del_locator (a, 0, &ls_index); - done: - vec_free(locators); +done: + vec_free (locators); vec_free (locator_set_name); return error; } +/* *INDENT-OFF* */ VLIB_CLI_COMMAND (lisp_cp_add_del_locator_in_set_command) = { .path = "lisp locator", .short_help = "lisp locator add/del locator-set iface " "p w ", .function = lisp_add_del_locator_in_set_command_fn, }; +/* *INDENT-ON* */ static clib_error_t * lisp_cp_show_locator_sets_command_fn (vlib_main_t * vm, - unformat_input_t * input, - vlib_cli_command_t * cmd) + unformat_input_t * input, + vlib_cli_command_t * cmd) { - locator_set_t * lsit; - locator_t * loc; - u32 * locit; - lisp_cp_main_t * lcm = vnet_lisp_cp_get_main(); + locator_set_t *lsit; + locator_t *loc; + u32 *locit; + lisp_cp_main_t *lcm = vnet_lisp_cp_get_main (); + + vlib_cli_output (vm, "%s%=16s%=16s%=16s", "Locator-set", "Locator", + "Priority", "Weight"); - vlib_cli_output (vm, "%=20s%=16s%=16s%=16s", "Locator-set", "Locator", - "Priority", "Weight"); + /* *INDENT-OFF* */ pool_foreach (lsit, lcm->locator_set_pool, ({ u8 * msg = 0; int next_line = 0; - msg = format (msg, "%=16v", lsit->name); + if (lsit->local) + { + msg = format (msg, "%v", lsit->name); + } + else + { + msg = format (msg, "<%s-%d>", "remote", lsit - lcm->locator_set_pool); + } vec_foreach (locit, lsit->locator_indices) { if (next_line) @@ -2035,28 +2367,47 @@ lisp_cp_show_locator_sets_command_fn (vlib_main_t * vm, loc->weight); else msg = format (msg, "%16U%16d%16d\n", format_ip_address, - gid_address_ip(&loc->address), loc->priority, + &gid_address_ip(&loc->address), loc->priority, loc->weight); next_line = 1; } vlib_cli_output (vm, "%v", msg); vec_free (msg); })); + /* *INDENT-ON* */ return 0; } +/* *INDENT-OFF* */ VLIB_CLI_COMMAND (lisp_cp_show_locator_sets_command) = { .path = "show lisp locator-set", .short_help = "Shows locator-sets", .function = lisp_cp_show_locator_sets_command_fn, }; +/* *INDENT-ON* */ + +static map_resolver_t * +get_map_resolver (ip_address_t * a) +{ + lisp_cp_main_t *lcm = vnet_lisp_cp_get_main (); + map_resolver_t *mr; + + vec_foreach (mr, lcm->map_resolvers) + { + if (!ip_address_cmp (&mr->address, a)) + { + return mr; + } + } + return 0; +} int vnet_lisp_add_del_map_resolver (vnet_lisp_add_del_map_resolver_args_t * a) { - lisp_cp_main_t * lcm = vnet_lisp_cp_get_main(); - ip_address_t * addr; + lisp_cp_main_t *lcm = vnet_lisp_cp_get_main (); u32 i; + map_resolver_t _mr, *mr = &_mr; if (vnet_lisp_enable_disable_status () == 0) { @@ -2066,101 +2417,117 @@ vnet_lisp_add_del_map_resolver (vnet_lisp_add_del_map_resolver_args_t * a) if (a->is_add) { - vec_foreach(addr, lcm->map_resolvers) - { - if (!ip_address_cmp (addr, &a->address)) - { - clib_warning("map-resolver %U already exists!", format_ip_address, - &a->address); - return -1; - } - } - vec_add1(lcm->map_resolvers, a->address); + + if (get_map_resolver (&a->address)) + { + clib_warning ("map-resolver %U already exists!", format_ip_address, + &a->address); + return -1; + } + + memset (mr, 0, sizeof (*mr)); + ip_address_copy (&mr->address, &a->address); + vec_add1 (lcm->map_resolvers, *mr); + + if (vec_len (lcm->map_resolvers) == 1) + lcm->do_map_resolver_election = 1; } else { - for (i = 0; i < vec_len(lcm->map_resolvers); i++) - { - addr = vec_elt_at_index(lcm->map_resolvers, i); - if (!ip_address_cmp (addr, &a->address)) - { - vec_delete(lcm->map_resolvers, 1, i); - break; - } - } + for (i = 0; i < vec_len (lcm->map_resolvers); i++) + { + mr = vec_elt_at_index (lcm->map_resolvers, i); + if (!ip_address_cmp (&mr->address, &a->address)) + { + if (!ip_address_cmp (&mr->address, &lcm->active_map_resolver)) + lcm->do_map_resolver_election = 1; + + vec_del1 (lcm->map_resolvers, i); + break; + } + } } return 0; } static clib_error_t * lisp_add_del_map_resolver_command_fn (vlib_main_t * vm, - unformat_input_t * input, - vlib_cli_command_t * cmd) + unformat_input_t * input, + vlib_cli_command_t * cmd) { - unformat_input_t _line_input, * line_input = &_line_input; - u8 is_add = 1; + unformat_input_t _line_input, *line_input = &_line_input; + u8 is_add = 1, addr_set = 0; ip_address_t ip_addr; - clib_error_t * error = 0; + clib_error_t *error = 0; int rv = 0; - vnet_lisp_add_del_map_resolver_args_t _a, * a = &_a; + vnet_lisp_add_del_map_resolver_args_t _a, *a = &_a; /* Get a line of input. */ - if (! unformat_user (input, unformat_line_input, line_input)) + if (!unformat_user (input, unformat_line_input, line_input)) return 0; while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT) { if (unformat (line_input, "add")) - is_add = 1; + is_add = 1; else if (unformat (line_input, "del")) - is_add = 0; + is_add = 0; else if (unformat (line_input, "%U", unformat_ip_address, &ip_addr)) - ; + addr_set = 1; else - { - error = unformat_parse_error(line_input); - goto done; - } + { + error = unformat_parse_error (line_input); + goto done; + } + } + + if (!addr_set) + { + error = clib_error_return (0, "Map-resolver address must be set!"); + goto done; } + a->is_add = is_add; a->address = ip_addr; rv = vnet_lisp_add_del_map_resolver (a); if (0 != rv) { - error = clib_error_return(0, "failed to %s map-resolver!", - is_add ? "add" : "delete"); + error = clib_error_return (0, "failed to %s map-resolver!", + is_add ? "add" : "delete"); } - done: +done: return error; } +/* *INDENT-OFF* */ VLIB_CLI_COMMAND (lisp_add_del_map_resolver_command) = { .path = "lisp map-resolver", .short_help = "lisp map-resolver add/del ", .function = lisp_add_del_map_resolver_command_fn, }; +/* *INDENT-ON* */ int vnet_lisp_add_del_mreq_itr_rlocs (vnet_lisp_add_del_mreq_itr_rloc_args_t * a) { - lisp_cp_main_t * lcm = vnet_lisp_cp_get_main(); - uword * p = 0; + lisp_cp_main_t *lcm = vnet_lisp_cp_get_main (); + uword *p = 0; if (vnet_lisp_enable_disable_status () == 0) { - clib_warning("LISP is disabled!"); + clib_warning ("LISP is disabled!"); return VNET_API_ERROR_LISP_DISABLED; } if (a->is_add) { - p = hash_get_mem(lcm->locator_set_index_by_name, a->locator_set_name); + p = hash_get_mem (lcm->locator_set_index_by_name, a->locator_set_name); if (!p) - { - clib_warning("locator-set %v doesn't exist", a->locator_set_name); - return VNET_API_ERROR_INVALID_ARGUMENT; - } + { + clib_warning ("locator-set %v doesn't exist", a->locator_set_name); + return VNET_API_ERROR_INVALID_ARGUMENT; + } lcm->mreq_itr_rlocs = p[0]; } @@ -2174,31 +2541,31 @@ vnet_lisp_add_del_mreq_itr_rlocs (vnet_lisp_add_del_mreq_itr_rloc_args_t * a) static clib_error_t * lisp_add_del_mreq_itr_rlocs_command_fn (vlib_main_t * vm, - unformat_input_t * input, - vlib_cli_command_t * cmd) + unformat_input_t * input, + vlib_cli_command_t * cmd) { - unformat_input_t _line_input, * line_input = &_line_input; + unformat_input_t _line_input, *line_input = &_line_input; u8 is_add = 1; - u8 * locator_set_name = 0; - clib_error_t * error = 0; + u8 *locator_set_name = 0; + clib_error_t *error = 0; int rv = 0; - vnet_lisp_add_del_mreq_itr_rloc_args_t _a, * a = &_a; + vnet_lisp_add_del_mreq_itr_rloc_args_t _a, *a = &_a; /* Get a line of input. */ - if (! unformat_user (input, unformat_line_input, line_input)) + if (!unformat_user (input, unformat_line_input, line_input)) return 0; while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT) { if (unformat (line_input, "del")) - is_add = 0; + is_add = 0; else if (unformat (line_input, "add %s", &locator_set_name)) - is_add = 1; + is_add = 1; else - { - error = unformat_parse_error(line_input); - goto done; - } + { + error = unformat_parse_error (line_input); + goto done; + } } a->is_add = is_add; @@ -2206,30 +2573,32 @@ lisp_add_del_mreq_itr_rlocs_command_fn (vlib_main_t * vm, rv = vnet_lisp_add_del_mreq_itr_rlocs (a); if (0 != rv) { - error = clib_error_return(0, "failed to %s map-request itr-rlocs!", - is_add ? "add" : "delete"); + error = clib_error_return (0, "failed to %s map-request itr-rlocs!", + is_add ? "add" : "delete"); } - vec_free(locator_set_name); + vec_free (locator_set_name); - done: +done: return error; } +/* *INDENT-OFF* */ VLIB_CLI_COMMAND (lisp_add_del_map_request_command) = { .path = "lisp map-request itr-rlocs", .short_help = "lisp map-request itr-rlocs add/del ", .function = lisp_add_del_mreq_itr_rlocs_command_fn, }; +/* *INDENT-ON* */ static clib_error_t * lisp_show_mreq_itr_rlocs_command_fn (vlib_main_t * vm, - unformat_input_t * input, - vlib_cli_command_t * cmd) + unformat_input_t * input, + vlib_cli_command_t * cmd) { - lisp_cp_main_t * lcm = vnet_lisp_cp_get_main(); - locator_set_t * loc_set; + lisp_cp_main_t *lcm = vnet_lisp_cp_get_main (); + locator_set_t *loc_set; vlib_cli_output (vm, "%=20s", "itr-rlocs"); @@ -2245,18 +2614,20 @@ lisp_show_mreq_itr_rlocs_command_fn (vlib_main_t * vm, return 0; } +/* *INDENT-OFF* */ VLIB_CLI_COMMAND (lisp_show_map_request_command) = { .path = "show lisp map-request itr-rlocs", .short_help = "Shows map-request itr-rlocs", .function = lisp_show_mreq_itr_rlocs_command_fn, }; +/* *INDENT-ON* */ /* Statistics (not really errors) */ #define foreach_lisp_cp_lookup_error \ _(DROP, "drop") \ _(MAP_REQUESTS_SENT, "map-request sent") -static char * lisp_cp_lookup_error_strings[] = { +static char *lisp_cp_lookup_error_strings[] = { #define _(sym,string) string, foreach_lisp_cp_lookup_error #undef _ @@ -2265,7 +2636,7 @@ static char * lisp_cp_lookup_error_strings[] = { typedef enum { #define _(sym,str) LISP_CP_LOOKUP_ERROR_##sym, - foreach_lisp_cp_lookup_error + foreach_lisp_cp_lookup_error #undef _ LISP_CP_LOOKUP_N_ERROR, } lisp_cp_lookup_error_t; @@ -2289,67 +2660,75 @@ format_lisp_cp_lookup_trace (u8 * s, va_list * args) { CLIB_UNUSED (vlib_main_t * vm) = va_arg (*args, vlib_main_t *); CLIB_UNUSED (vlib_node_t * node) = va_arg (*args, vlib_node_t *); - lisp_cp_lookup_trace_t * t = va_arg (*args, lisp_cp_lookup_trace_t *); + lisp_cp_lookup_trace_t *t = va_arg (*args, lisp_cp_lookup_trace_t *); s = format (s, "LISP-CP-LOOKUP: map-resolver: %U destination eid %U", - format_ip_address, &t->map_resolver_ip, format_gid_address, - &t->dst_eid); + format_ip_address, &t->map_resolver_ip, format_gid_address, + &t->dst_eid); return s; } int get_mr_and_local_iface_ip (lisp_cp_main_t * lcm, ip_address_t * mr_ip, - ip_address_t * sloc) + ip_address_t * sloc) { - ip_address_t * mrit; + map_resolver_t *mrit; + ip_address_t *a; - if (vec_len(lcm->map_resolvers) == 0) + if (vec_len (lcm->map_resolvers) == 0) { - clib_warning("No map-resolver configured"); + clib_warning ("No map-resolver configured"); return 0; } /* find the first mr ip we have a route to and the ip of the * iface that has a route to it */ - vec_foreach(mrit, lcm->map_resolvers) - { - if (0 != ip_fib_get_first_egress_ip_for_dst (lcm, mrit, sloc)) { - ip_address_copy(mr_ip, mrit); - return 1; + vec_foreach (mrit, lcm->map_resolvers) + { + a = &mrit->address; + if (0 != ip_fib_get_first_egress_ip_for_dst (lcm, a, sloc)) + { + ip_address_copy (mr_ip, a); + + /* also update globals */ + return 1; } - } + } - clib_warning("Can't find map-resolver and local interface ip!"); + clib_warning ("Can't find map-resolver and local interface ip!"); return 0; } static gid_address_t * build_itr_rloc_list (lisp_cp_main_t * lcm, locator_set_t * loc_set) { - void * addr; + void *addr; u32 i; - locator_t * loc; - u32 * loc_indexp; - ip_interface_address_t * ia = 0; - gid_address_t gid_data, * gid = &gid_data; - gid_address_t * rlocs = 0; - ip_prefix_t * ippref = &gid_address_ippref (gid); - ip_address_t * rloc = &ip_prefix_addr (ippref); + locator_t *loc; + u32 *loc_indexp; + ip_interface_address_t *ia = 0; + gid_address_t gid_data, *gid = &gid_data; + gid_address_t *rlocs = 0; + ip_prefix_t *ippref = &gid_address_ippref (gid); + ip_address_t *rloc = &ip_prefix_addr (ippref); memset (gid, 0, sizeof (gid[0])); gid_address_type (gid) = GID_ADDR_IP_PREFIX; - for (i = 0; i < vec_len(loc_set->locator_indices); i++) + for (i = 0; i < vec_len (loc_set->locator_indices); i++) { - loc_indexp = vec_elt_at_index(loc_set->locator_indices, i); + loc_indexp = vec_elt_at_index (loc_set->locator_indices, i); loc = pool_elt_at_index (lcm->locator_pool, loc_indexp[0]); /* Add ipv4 locators first TODO sort them */ + + /* *INDENT-OFF* */ foreach_ip_interface_address (&lcm->im4->lookup_main, ia, loc->sw_if_index, 1 /* unnumbered */, ({ addr = ip_interface_address_get_address (&lcm->im4->lookup_main, ia); ip_address_set (rloc, addr, IP4); ip_prefix_len (ippref) = 32; + ip_prefix_normalize (ippref); vec_add1 (rlocs, gid[0]); })); @@ -2360,22 +2739,26 @@ build_itr_rloc_list (lisp_cp_main_t * lcm, locator_set_t * loc_set) addr = ip_interface_address_get_address (&lcm->im6->lookup_main, ia); ip_address_set (rloc, addr, IP6); ip_prefix_len (ippref) = 128; + ip_prefix_normalize (ippref); vec_add1 (rlocs, gid[0]); })); + /* *INDENT-ON* */ + } return rlocs; } static vlib_buffer_t * -build_encapsulated_map_request (vlib_main_t * vm, lisp_cp_main_t *lcm, - gid_address_t * seid, gid_address_t * deid, - locator_set_t * loc_set, ip_address_t * mr_ip, - ip_address_t * sloc, u8 is_smr_invoked, - u64 *nonce_res, u32 * bi_res) +build_encapsulated_map_request (lisp_cp_main_t * lcm, + gid_address_t * seid, gid_address_t * deid, + locator_set_t * loc_set, ip_address_t * mr_ip, + ip_address_t * sloc, u8 is_smr_invoked, + u64 * nonce_res, u32 * bi_res) { - vlib_buffer_t * b; + vlib_buffer_t *b; u32 bi; - gid_address_t * rlocs = 0; + gid_address_t *rlocs = 0; + vlib_main_t *vm = lcm->vlib_main; if (vlib_buffer_alloc (vm, &bi, 1) != 1) { @@ -2391,56 +2774,121 @@ build_encapsulated_map_request (vlib_main_t * vm, lisp_cp_main_t *lcm, /* get rlocs */ rlocs = build_itr_rloc_list (lcm, loc_set); - /* put lisp msg */ - lisp_msg_put_mreq (lcm, b, seid, deid, rlocs, is_smr_invoked, nonce_res); + if (MR_MODE_SRC_DST == lcm->map_request_mode) + { + gid_address_t sd; + memset (&sd, 0, sizeof (sd)); + build_src_dst (&sd, seid, deid); + lisp_msg_put_mreq (lcm, b, seid, &sd, rlocs, is_smr_invoked, nonce_res); + } + else + { + /* put lisp msg */ + lisp_msg_put_mreq (lcm, b, seid, deid, rlocs, is_smr_invoked, + nonce_res); + } /* push ecm: udp-ip-lisp */ lisp_msg_push_ecm (vm, b, LISP_CONTROL_PORT, LISP_CONTROL_PORT, seid, deid); /* push outer ip header */ pkt_push_udp_and_ip (vm, b, LISP_CONTROL_PORT, LISP_CONTROL_PORT, sloc, - mr_ip); + mr_ip); bi_res[0] = bi; - vec_free(rlocs); + vec_free (rlocs); return b; } static void -send_encapsulated_map_request (vlib_main_t * vm, lisp_cp_main_t *lcm, - gid_address_t * seid, gid_address_t * deid, - u8 is_smr_invoked) +reset_pending_mr_counters (pending_map_request_t * r) { - u32 next_index, bi = 0, * to_next, map_index; - vlib_buffer_t * b; - vlib_frame_t * f; + r->time_to_expire = PENDING_MREQ_EXPIRATION_TIME; + r->retries_num = 0; +} + +static int +elect_map_resolver (lisp_cp_main_t * lcm) +{ + map_resolver_t *mr; + + vec_foreach (mr, lcm->map_resolvers) + { + if (!mr->is_down) + { + ip_address_copy (&lcm->active_map_resolver, &mr->address); + lcm->do_map_resolver_election = 0; + return 1; + } + } + return 0; +} + +#define send_encapsulated_map_request(lcm, seid, deid, smr) \ + _send_encapsulated_map_request(lcm, seid, deid, smr, 0) + +#define resend_encapsulated_map_request(lcm, seid, deid, smr) \ + _send_encapsulated_map_request(lcm, seid, deid, smr, 1) + +static int +_send_encapsulated_map_request (lisp_cp_main_t * lcm, + gid_address_t * seid, gid_address_t * deid, + u8 is_smr_invoked, u8 is_resend) +{ + map_resolver_t *mr; + u32 next_index, bi = 0, *to_next, map_index; + vlib_buffer_t *b; + vlib_frame_t *f; u64 nonce = 0; - locator_set_t * loc_set; - mapping_t * map; - pending_map_request_t * pmr; - ip_address_t mr_ip, sloc; + locator_set_t *loc_set; + mapping_t *map; + pending_map_request_t *pmr, *duplicate_pmr = 0; + ip_address_t sloc; u32 ls_index; + ASSERT (*lcm->pending_map_request_lock); + + /* if there is already a pending request remember it */ + + /* *INDENT-OFF* */ + pool_foreach(pmr, lcm->pending_map_requests_pool, + ({ + if (!gid_address_cmp (&pmr->src, seid) + && !gid_address_cmp (&pmr->dst, deid)) + { + duplicate_pmr = pmr; + break; + } + })); + /* *INDENT-ON* */ + + if (!is_resend && duplicate_pmr) + { + /* don't send the request if there is a pending map request already */ + return 0; + } + /* get locator-set for seid */ if (!lcm->lisp_pitr) { map_index = gid_dictionary_lookup (&lcm->mapping_index_by_gid, seid); if (map_index == ~0) - { - clib_warning("No local mapping found in eid-table for %U!", - format_gid_address, seid); - return; - } + { + clib_warning ("No local mapping found in eid-table for %U!", + format_gid_address, seid); + return -1; + } map = pool_elt_at_index (lcm->mapping_pool, map_index); if (!map->local) - { - clib_warning("Mapping found for src eid %U is not marked as local!", - format_gid_address, seid); - return; - } + { + clib_warning + ("Mapping found for src eid %U is not marked as local!", + format_gid_address, seid); + return -1; + } ls_index = map->locator_set_index; } else @@ -2458,84 +2906,110 @@ send_encapsulated_map_request (vlib_main_t * vm, lisp_cp_main_t *lcm, loc_set = pool_elt_at_index (lcm->locator_set_pool, ls_index); - /* get local iface ip to use in map-request */ - if (0 == get_mr_and_local_iface_ip (lcm, &mr_ip, &sloc)) - return; + while (lcm->do_map_resolver_election + | (0 == ip_fib_get_first_egress_ip_for_dst (lcm, + &lcm->active_map_resolver, + &sloc))) + { + if (0 == elect_map_resolver (lcm)) + /* all Mrs are down */ + { + if (duplicate_pmr) + duplicate_pmr->to_be_removed = 1; + + /* restart MR checking by marking all of them up */ + vec_foreach (mr, lcm->map_resolvers) mr->is_down = 0; + + return -1; + } + } /* build the encapsulated map request */ - b = build_encapsulated_map_request (vm, lcm, seid, deid, loc_set, &mr_ip, - &sloc, is_smr_invoked, &nonce, &bi); + b = build_encapsulated_map_request (lcm, seid, deid, loc_set, + &lcm->active_map_resolver, + &sloc, is_smr_invoked, &nonce, &bi); if (!b) - return; + return -1; /* set fib index to default and lookup node */ - vnet_buffer(b)->sw_if_index[VLIB_TX] = 0; - next_index = (ip_addr_version(&mr_ip) == IP4) ? - ip4_lookup_node.index : ip6_lookup_node.index; + vnet_buffer (b)->sw_if_index[VLIB_TX] = 0; + next_index = (ip_addr_version (&lcm->active_map_resolver) == IP4) ? + ip4_lookup_node.index : ip6_lookup_node.index; - f = vlib_get_frame_to_node (vm, next_index); + f = vlib_get_frame_to_node (lcm->vlib_main, next_index); /* Enqueue the packet */ to_next = vlib_frame_vector_args (f); to_next[0] = bi; f->n_vectors = 1; - vlib_put_frame_to_node (vm, next_index, f); + vlib_put_frame_to_node (lcm->vlib_main, next_index, f); + + if (duplicate_pmr) + /* if there is a pending request already update it */ + { + if (clib_fifo_elts (duplicate_pmr->nonces) >= PENDING_MREQ_QUEUE_LEN) + { + /* remove the oldest nonce */ + u64 CLIB_UNUSED (tmp), *nonce_del; + nonce_del = clib_fifo_head (duplicate_pmr->nonces); + hash_unset (lcm->pending_map_requests_by_nonce, nonce_del[0]); + clib_fifo_sub1 (duplicate_pmr->nonces, tmp); + } - /* add map-request to pending requests table */ - pool_get(lcm->pending_map_requests_pool, pmr); - gid_address_copy (&pmr->src, seid); - gid_address_copy (&pmr->dst, deid); - hash_set(lcm->pending_map_requests_by_nonce, nonce, - pmr - lcm->pending_map_requests_pool); + clib_fifo_add1 (duplicate_pmr->nonces, nonce); + hash_set (lcm->pending_map_requests_by_nonce, nonce, + duplicate_pmr - lcm->pending_map_requests_pool); + } + else + { + /* add map-request to pending requests table */ + pool_get (lcm->pending_map_requests_pool, pmr); + memset (pmr, 0, sizeof (*pmr)); + gid_address_copy (&pmr->src, seid); + gid_address_copy (&pmr->dst, deid); + clib_fifo_add1 (pmr->nonces, nonce); + pmr->is_smr_invoked = is_smr_invoked; + reset_pending_mr_counters (pmr); + hash_set (lcm->pending_map_requests_by_nonce, nonce, + pmr - lcm->pending_map_requests_pool); + } + + return 0; } static void -get_src_and_dst (void *hdr, ip_address_t * src, ip_address_t *dst) +get_src_and_dst_ip (void *hdr, ip_address_t * src, ip_address_t * dst) { - ip4_header_t * ip4 = hdr; - ip6_header_t * ip6; + ip4_header_t *ip4 = hdr; + ip6_header_t *ip6; if ((ip4->ip_version_and_header_length & 0xF0) == 0x40) { - ip_address_set(src, &ip4->src_address, IP4); - ip_address_set(dst, &ip4->dst_address, IP4); + ip_address_set (src, &ip4->src_address, IP4); + ip_address_set (dst, &ip4->dst_address, IP4); } else { ip6 = hdr; - ip_address_set(src, &ip6->src_address, IP6); - ip_address_set(dst, &ip6->dst_address, IP6); + ip_address_set (src, &ip6->src_address, IP6); + ip_address_set (dst, &ip6->dst_address, IP6); } } static u32 -lisp_get_vni_from_buffer (vlib_buffer_t * b, u8 version) +lisp_get_vni_from_buffer_ip (lisp_cp_main_t * lcm, vlib_buffer_t * b, + u8 version) { - uword * vnip; - u32 vni = ~0, table_id = ~0, fib_index; - lisp_cp_main_t * lcm = vnet_lisp_cp_get_main (); + uword *vnip; + u32 vni = ~0, table_id = ~0; - if (version == IP4) - { - ip4_fib_t * fib; - ip4_main_t * im4 = &ip4_main; - fib_index = vec_elt (im4->fib_index_by_sw_if_index, - vnet_buffer (b)->sw_if_index[VLIB_RX]); - fib = find_ip4_fib_by_table_index_or_id (im4, fib_index, - IP4_ROUTE_FLAG_FIB_INDEX); - table_id = fib->table_id; - } - else - { - ip6_fib_t * fib; - ip6_main_t * im6 = &ip6_main; - fib_index = vec_elt (im6->fib_index_by_sw_if_index, - vnet_buffer (b)->sw_if_index[VLIB_RX]); - fib = find_ip6_fib_by_table_index_or_id (im6, fib_index, - IP6_ROUTE_FLAG_FIB_INDEX); - table_id = fib->table_id; - } + table_id = fib_table_get_table_id_for_sw_if_index ((version == + IP4 ? FIB_PROTOCOL_IP4 : + FIB_PROTOCOL_IP6), + vnet_buffer + (b)->sw_if_index + [VLIB_RX]); vnip = hash_get (lcm->vni_by_table_id, table_id); if (vnip) @@ -2546,12 +3020,88 @@ lisp_get_vni_from_buffer (vlib_buffer_t * b, u8 version) return vni; } +always_inline u32 +lisp_get_vni_from_buffer_eth (lisp_cp_main_t * lcm, vlib_buffer_t * b) +{ + uword *vnip; + u32 vni = ~0; + u32 sw_if_index0; + + l2input_main_t *l2im = &l2input_main; + l2_input_config_t *config; + l2_bridge_domain_t *bd_config; + + sw_if_index0 = vnet_buffer (b)->sw_if_index[VLIB_RX]; + config = vec_elt_at_index (l2im->configs, sw_if_index0); + bd_config = vec_elt_at_index (l2im->bd_configs, config->bd_index); + + vnip = hash_get (lcm->vni_by_bd_id, bd_config->bd_id); + if (vnip) + vni = vnip[0]; + else + clib_warning ("bridge domain %d is not mapped to any vni!", + config->bd_index); + + return vni; +} + +always_inline void +get_src_and_dst_eids_from_buffer (lisp_cp_main_t * lcm, vlib_buffer_t * b, + gid_address_t * src, gid_address_t * dst) +{ + u32 vni = 0; + u16 type; + + memset (src, 0, sizeof (*src)); + memset (dst, 0, sizeof (*dst)); + type = vnet_buffer (b)->lisp.overlay_afi; + + if (LISP_AFI_IP == type || LISP_AFI_IP6 == type) + { + ip4_header_t *ip; + u8 version, preflen; + + gid_address_type (src) = GID_ADDR_IP_PREFIX; + gid_address_type (dst) = GID_ADDR_IP_PREFIX; + + ip = vlib_buffer_get_current (b); + get_src_and_dst_ip (ip, &gid_address_ip (src), &gid_address_ip (dst)); + + version = gid_address_ip_version (src); + preflen = ip_address_max_len (version); + gid_address_ippref_len (src) = preflen; + gid_address_ippref_len (dst) = preflen; + + vni = lisp_get_vni_from_buffer_ip (lcm, b, version); + gid_address_vni (dst) = vni; + gid_address_vni (src) = vni; + } + else if (LISP_AFI_MAC == type) + { + ethernet_header_t *eh; + + eh = vlib_buffer_get_current (b); + + gid_address_type (src) = GID_ADDR_MAC; + gid_address_type (dst) = GID_ADDR_MAC; + mac_copy (&gid_address_mac (src), eh->src_address); + mac_copy (&gid_address_mac (dst), eh->dst_address); + + /* get vni */ + vni = lisp_get_vni_from_buffer_eth (lcm, b); + + gid_address_vni (dst) = vni; + gid_address_vni (src) = vni; + } +} + static uword -lisp_cp_lookup (vlib_main_t * vm, vlib_node_runtime_t * node, - vlib_frame_t * from_frame) +lisp_cp_lookup_inline (vlib_main_t * vm, + vlib_node_runtime_t * node, + vlib_frame_t * from_frame, int overlay) { - u32 * from, * to_next_drop, di, si; - lisp_cp_main_t *lcm = vnet_lisp_cp_get_main(); + u32 *from, *to_next_drop, di, si; + lisp_cp_main_t *lcm = vnet_lisp_cp_get_main (); u32 pkts_mapped = 0; uword n_left_from, n_left_to_next_drop; @@ -2561,101 +3111,103 @@ lisp_cp_lookup (vlib_main_t * vm, vlib_node_runtime_t * node, while (n_left_from > 0) { vlib_get_next_frame (vm, node, LISP_CP_LOOKUP_NEXT_DROP, - to_next_drop, n_left_to_next_drop); + to_next_drop, n_left_to_next_drop); while (n_left_from > 0 && n_left_to_next_drop > 0) - { - u32 pi0, vni; - vlib_buffer_t * p0; - ip4_header_t * ip0; - gid_address_t src, dst; - ip_prefix_t * spref, * dpref; - - gid_address_type (&src) = GID_ADDR_IP_PREFIX; - spref = &gid_address_ippref(&src); - gid_address_type (&dst) = GID_ADDR_IP_PREFIX; - dpref = &gid_address_ippref(&dst); - - pi0 = from[0]; - from += 1; - n_left_from -= 1; - to_next_drop[0] = pi0; - to_next_drop += 1; - n_left_to_next_drop -= 1; - - p0 = vlib_get_buffer (vm, pi0); - p0->error = node->errors[LISP_CP_LOOKUP_ERROR_DROP]; - - /* src/dst eid pair */ - ip0 = vlib_buffer_get_current (p0); - get_src_and_dst (ip0, &ip_prefix_addr(spref), &ip_prefix_addr(dpref)); - ip_prefix_len(spref) = ip_address_max_len (ip_prefix_version(spref)); - ip_prefix_len(dpref) = ip_address_max_len (ip_prefix_version(dpref)); - - vni = lisp_get_vni_from_buffer (p0, ip_prefix_version (spref)); - gid_address_vni (&dst) = vni; - gid_address_vni (&src) = vni; - - /* if we have remote mapping for destination already in map-chache - add forwarding tunnel directly. If not send a map-request */ - di = gid_dictionary_lookup (&lcm->mapping_index_by_gid, &dst); - if (~0 != di) - { - mapping_t * m = vec_elt_at_index (lcm->mapping_pool, di); - /* send a map-request also in case of negative mapping entry - with corresponding action */ - if (m->action == ACTION_SEND_MAP_REQUEST) - { - /* send map-request */ - send_encapsulated_map_request (vm, lcm, &src, &dst, 0); - pkts_mapped++; - } - else - { - si = gid_dictionary_lookup (&lcm->mapping_index_by_gid, - &src); - if (~0 != si) - { - dp_add_fwd_entry (lcm, si, di); - } - } - } - else - { - /* send map-request */ - send_encapsulated_map_request (vm, lcm, &src, &dst, 0); - pkts_mapped++; - } - - if (PREDICT_FALSE(p0->flags & VLIB_BUFFER_IS_TRACED)) - { - lisp_cp_lookup_trace_t *tr = vlib_add_trace (vm, node, p0, - sizeof(*tr)); - - memset(tr, 0, sizeof(*tr)); - gid_address_copy (&tr->dst_eid, &dst); - if (vec_len(lcm->map_resolvers) > 0) - { - clib_memcpy (&tr->map_resolver_ip, - vec_elt_at_index(lcm->map_resolvers, 0), - sizeof(ip_address_t)); - } - } - gid_address_free (&dst); - gid_address_free (&src); - } - - vlib_put_next_frame (vm, node, LISP_CP_LOOKUP_NEXT_DROP, n_left_to_next_drop); + { + u32 pi0; + vlib_buffer_t *b0; + gid_address_t src, dst; + + pi0 = from[0]; + from += 1; + n_left_from -= 1; + to_next_drop[0] = pi0; + to_next_drop += 1; + n_left_to_next_drop -= 1; + + b0 = vlib_get_buffer (vm, pi0); + b0->error = node->errors[LISP_CP_LOOKUP_ERROR_DROP]; + vnet_buffer (b0)->lisp.overlay_afi = overlay; + + /* src/dst eid pair */ + get_src_and_dst_eids_from_buffer (lcm, b0, &src, &dst); + + /* if we have remote mapping for destination already in map-chache + add forwarding tunnel directly. If not send a map-request */ + di = gid_dictionary_sd_lookup (&lcm->mapping_index_by_gid, &dst, + &src); + if (~0 != di) + { + mapping_t *m = vec_elt_at_index (lcm->mapping_pool, di); + /* send a map-request also in case of negative mapping entry + with corresponding action */ + if (m->action == LISP_SEND_MAP_REQUEST) + { + /* send map-request */ + queue_map_request (&src, &dst, 0 /* smr_invoked */ , + 0 /* is_resend */ ); + pkts_mapped++; + } + else + { + si = gid_dictionary_lookup (&lcm->mapping_index_by_gid, + &src); + if (~0 != si) + { + dp_add_fwd_entry (lcm, si, di); + } + } + } + else + { + /* send map-request */ + queue_map_request (&src, &dst, 0 /* smr_invoked */ , + 0 /* is_resend */ ); + pkts_mapped++; + } + + if (PREDICT_FALSE (b0->flags & VLIB_BUFFER_IS_TRACED)) + { + lisp_cp_lookup_trace_t *tr = vlib_add_trace (vm, node, b0, + sizeof (*tr)); + + memset (tr, 0, sizeof (*tr)); + gid_address_copy (&tr->dst_eid, &dst); + ip_address_copy (&tr->map_resolver_ip, + &lcm->active_map_resolver); + } + gid_address_free (&dst); + gid_address_free (&src); + } + + vlib_put_next_frame (vm, node, LISP_CP_LOOKUP_NEXT_DROP, + n_left_to_next_drop); } vlib_node_increment_counter (vm, node->node_index, - LISP_CP_LOOKUP_ERROR_MAP_REQUESTS_SENT, - pkts_mapped); + LISP_CP_LOOKUP_ERROR_MAP_REQUESTS_SENT, + pkts_mapped); return from_frame->n_vectors; } -VLIB_REGISTER_NODE (lisp_cp_lookup_node) = { - .function = lisp_cp_lookup, - .name = "lisp-cp-lookup", +static uword +lisp_cp_lookup_ip4 (vlib_main_t * vm, + vlib_node_runtime_t * node, vlib_frame_t * from_frame) +{ + return (lisp_cp_lookup_inline (vm, node, from_frame, LISP_AFI_IP)); +} + +static uword +lisp_cp_lookup_ip6 (vlib_main_t * vm, + vlib_node_runtime_t * node, vlib_frame_t * from_frame) +{ + return (lisp_cp_lookup_inline (vm, node, from_frame, LISP_AFI_IP6)); +} + +/* *INDENT-OFF* */ +VLIB_REGISTER_NODE (lisp_cp_lookup_ip4_node) = { + .function = lisp_cp_lookup_ip4, + .name = "lisp-cp-lookup-ip4", .vector_size = sizeof (u32), .format_trace = format_lisp_cp_lookup_trace, .type = VLIB_NODE_TYPE_INTERNAL, @@ -2671,13 +3223,35 @@ VLIB_REGISTER_NODE (lisp_cp_lookup_node) = { [LISP_CP_LOOKUP_NEXT_IP6_LOOKUP] = "ip6-lookup", }, }; +/* *INDENT-ON* */ + +/* *INDENT-OFF* */ +VLIB_REGISTER_NODE (lisp_cp_lookup_ip6_node) = { + .function = lisp_cp_lookup_ip6, + .name = "lisp-cp-lookup-ip6", + .vector_size = sizeof (u32), + .format_trace = format_lisp_cp_lookup_trace, + .type = VLIB_NODE_TYPE_INTERNAL, + + .n_errors = LISP_CP_LOOKUP_N_ERROR, + .error_strings = lisp_cp_lookup_error_strings, + + .n_next_nodes = LISP_CP_LOOKUP_N_NEXT, + + .next_nodes = { + [LISP_CP_LOOKUP_NEXT_DROP] = "error-drop", + [LISP_CP_LOOKUP_NEXT_IP4_LOOKUP] = "ip4-lookup", + [LISP_CP_LOOKUP_NEXT_IP6_LOOKUP] = "ip6-lookup", + }, +}; +/* *INDENT-ON* */ /* lisp_cp_input statistics */ #define foreach_lisp_cp_input_error \ _(DROP, "drop") \ _(MAP_REPLIES_RECEIVED, "map-replies received") -static char * lisp_cp_input_error_strings[] = { +static char *lisp_cp_input_error_strings[] = { #define _(sym,string) string, foreach_lisp_cp_input_error #undef _ @@ -2686,7 +3260,7 @@ static char * lisp_cp_input_error_strings[] = { typedef enum { #define _(sym,str) LISP_CP_INPUT_ERROR_##sym, - foreach_lisp_cp_input_error + foreach_lisp_cp_input_error #undef _ LISP_CP_INPUT_N_ERROR, } lisp_cp_input_error_t; @@ -2708,98 +3282,111 @@ format_lisp_cp_input_trace (u8 * s, va_list * args) { CLIB_UNUSED (vlib_main_t * vm) = va_arg (*args, vlib_main_t *); CLIB_UNUSED (vlib_node_t * node) = va_arg (*args, vlib_node_t *); - CLIB_UNUSED(lisp_cp_input_trace_t * t) = va_arg (*args, lisp_cp_input_trace_t *); + CLIB_UNUSED (lisp_cp_input_trace_t * t) = + va_arg (*args, lisp_cp_input_trace_t *); s = format (s, "LISP-CP-INPUT: TODO"); return s; } -void -process_map_reply (lisp_cp_main_t * lcm, vlib_buffer_t * b) +void * +process_map_reply (void *arg) { - u32 len = 0, i, ttl; - void * h; - pending_map_request_t * pmr; + lisp_cp_main_t *lcm = vnet_lisp_cp_get_main (); + vlib_buffer_t *b = arg; + u32 len = 0, i, ttl, dst_map_index = 0; + void *h; + pending_map_request_t *pmr; locator_t probed; - map_reply_hdr_t * mrep_hdr; - u64 nonce; + map_reply_hdr_t *mrep_hdr; + u64 nonce, *noncep; gid_address_t deid; - uword * pmr_index; + uword *pmr_index; u8 authoritative, action; - locator_t * locators = 0, * loc; - vnet_lisp_add_del_adjacency_args_t _a, * a = &_a; + locator_t *locators = 0, *loc; mrep_hdr = vlib_buffer_get_current (b); + lisp_pending_map_request_lock (lcm); + /* Check pending requests table and nonce */ - nonce = MREP_NONCE(mrep_hdr); - pmr_index = hash_get(lcm->pending_map_requests_by_nonce, nonce); + nonce = MREP_NONCE (mrep_hdr); + pmr_index = hash_get (lcm->pending_map_requests_by_nonce, nonce); if (!pmr_index) { - clib_warning("No pending map-request entry with nonce %lu!", nonce); - return; + clib_warning ("No pending map-request entry with nonce %lu!", nonce); + goto done; } - pmr = pool_elt_at_index(lcm->pending_map_requests_pool, pmr_index[0]); + pmr = pool_elt_at_index (lcm->pending_map_requests_pool, pmr_index[0]); - vlib_buffer_pull (b, sizeof(*mrep_hdr)); + vlib_buffer_pull (b, sizeof (*mrep_hdr)); - for (i = 0; i < MREP_REC_COUNT(mrep_hdr); i++) + for (i = 0; i < MREP_REC_COUNT (mrep_hdr); i++) { - h = vlib_buffer_get_current (b); - ttl = clib_net_to_host_u32 (MAP_REC_TTL(h)); - action = MAP_REC_ACTION(h); - authoritative = MAP_REC_AUTH(h); + ttl = clib_net_to_host_u32 (MAP_REC_TTL (h)); + action = MAP_REC_ACTION (h); + authoritative = MAP_REC_AUTH (h); len = lisp_msg_parse_mapping_record (b, &deid, &locators, &probed); if (len == ~0) - { - clib_warning ("Failed to parse mapping record!"); - vec_foreach (loc, locators) - { - locator_free (loc); - } - vec_free(locators); - return; - } - - memset(a, 0, sizeof(*a)); - a->action = action; - a->authoritative = authoritative; - a->ttl = ttl; - a->locators = locators; - gid_address_copy(&a->seid, &pmr->src); - gid_address_copy(&a->deid, &deid); - a->is_add = 1; - - lisp_add_del_adjacency (lcm, a); - - vec_free(locators); + { + clib_warning ("Failed to parse mapping record!"); + vec_foreach (loc, locators) + { + locator_free (loc); + } + vec_free (locators); + goto done; + } + + /* insert/update mappings cache */ + vnet_lisp_add_del_mapping (&deid, locators, action, authoritative, ttl, + 1, 0 /* is_static */ , &dst_map_index); + + /* try to program forwarding only if mapping saved or updated */ + if ((u32) ~ 0 != dst_map_index) + lisp_add_del_adjacency (lcm, &pmr->src, &deid, 1); + + vec_free (locators); } /* remove pending map request entry */ - hash_unset(lcm->pending_map_requests_by_nonce, nonce); - pool_put(lcm->pending_map_requests_pool, pmr); + + /* *INDENT-OFF* */ + clib_fifo_foreach (noncep, pmr->nonces, ({ + hash_unset(lcm->pending_map_requests_by_nonce, noncep[0]); + })); + /* *INDENT-ON* */ + + clib_fifo_free (pmr->nonces); + pool_put (lcm->pending_map_requests_pool, pmr); + +done: + lisp_pending_map_request_unlock (lcm); + return 0; } void -process_map_request (vlib_main_t * vm, lisp_cp_main_t * lcm, vlib_buffer_t * b) +process_map_request (vlib_main_t * vm, lisp_cp_main_t * lcm, + vlib_buffer_t * b) { - map_request_hdr_t * mreq_hdr; + map_request_hdr_t *mreq_hdr; gid_address_t src, dst; // u64 nonce; u32 i, len = 0; - gid_address_t * itr_rlocs = 0, * rloc; + gid_address_t *itr_rlocs = 0, *rloc; mreq_hdr = vlib_buffer_get_current (b); - vlib_buffer_pull (b, sizeof(*mreq_hdr)); + vlib_buffer_pull (b, sizeof (*mreq_hdr)); // nonce = MREQ_NONCE(mreq_hdr); - if (!MREQ_SMR(mreq_hdr)) { - clib_warning("Only SMR Map-Requests supported for now!"); + if (!MREQ_SMR (mreq_hdr)) + { + clib_warning ("Only SMR Map-Requests supported for now!"); return; - } + } /* parse src eid */ len = lisp_msg_parse_addr (b, &src); @@ -2807,38 +3394,54 @@ process_map_request (vlib_main_t * vm, lisp_cp_main_t * lcm, vlib_buffer_t * b) return; /* for now we don't do anything with the itr's rlocs */ - len = lisp_msg_parse_itr_rlocs (b, &itr_rlocs, MREQ_ITR_RLOC_COUNT(mreq_hdr) + 1); + len = + lisp_msg_parse_itr_rlocs (b, &itr_rlocs, + MREQ_ITR_RLOC_COUNT (mreq_hdr) + 1); if (len == ~0) return; /* TODO: RLOCs are currently unused, so free them for now */ vec_foreach (rloc, itr_rlocs) - { - gid_address_free (rloc); - } + { + gid_address_free (rloc); + } /* parse eid records and send SMR-invoked map-requests */ - for (i = 0; i < MREQ_REC_COUNT(mreq_hdr); i++) + for (i = 0; i < MREQ_REC_COUNT (mreq_hdr); i++) { - memset(&dst, 0, sizeof(dst)); + memset (&dst, 0, sizeof (dst)); len = lisp_msg_parse_eid_rec (b, &dst); if (len == ~0) - { - clib_warning("Can't parse map-request EID-record"); - return; - } + { + clib_warning ("Can't parse map-request EID-record"); + return; + } /* send SMR-invoked map-requests */ - send_encapsulated_map_request (vm, lcm, &dst, &src, /* invoked */ 1); + queue_map_request (&dst, &src, 1 /* invoked */ , 0 /* resend */ ); } } +static void +queue_map_reply (vlib_buffer_t * b) +{ + vlib_buffer_t *a = clib_mem_alloc (sizeof (a[0]) + b->current_length); + + clib_memcpy (a->data, b->data + b->current_data, b->current_length); + a->current_length = b->current_length; + a->current_data = 0; + + vl_api_rpc_call_main_thread (process_map_reply, (u8 *) a, sizeof (a[0]) + + a->current_length); + clib_mem_free (a); +} + static uword lisp_cp_input (vlib_main_t * vm, vlib_node_runtime_t * node, - vlib_frame_t * from_frame) + vlib_frame_t * from_frame) { - u32 n_left_from, * from, * to_next_drop; + u32 n_left_from, *from, *to_next_drop; lisp_msg_type_e type; - lisp_cp_main_t * lcm = vnet_lisp_cp_get_main(); + lisp_cp_main_t *lcm = vnet_lisp_cp_get_main (); from = vlib_frame_vector_args (from_frame); n_left_from = from_frame->n_vectors; @@ -2849,48 +3452,50 @@ lisp_cp_input (vlib_main_t * vm, vlib_node_runtime_t * node, u32 n_left_to_next_drop; vlib_get_next_frame (vm, node, LISP_CP_INPUT_NEXT_DROP, - to_next_drop, n_left_to_next_drop); + to_next_drop, n_left_to_next_drop); while (n_left_from > 0 && n_left_to_next_drop > 0) - { - u32 bi0; - vlib_buffer_t * b0; - - bi0 = from[0]; - from += 1; - n_left_from -= 1; - to_next_drop[0] = bi0; - to_next_drop += 1; - n_left_to_next_drop -= 1; - - b0 = vlib_get_buffer (vm, bi0); - - type = lisp_msg_type(vlib_buffer_get_current (b0)); - switch (type) - { - case LISP_MAP_REPLY: - process_map_reply (lcm, b0); - break; - case LISP_MAP_REQUEST: - process_map_request(vm, lcm, b0); - break; - default: - clib_warning("Unsupported LISP message type %d", type); - break; - } - - b0->error = node->errors[LISP_CP_INPUT_ERROR_DROP]; - - if (PREDICT_FALSE(b0->flags & VLIB_BUFFER_IS_TRACED)) - { - - } - } - - vlib_put_next_frame (vm, node, LISP_CP_INPUT_NEXT_DROP, n_left_to_next_drop); + { + u32 bi0; + vlib_buffer_t *b0; + + bi0 = from[0]; + from += 1; + n_left_from -= 1; + to_next_drop[0] = bi0; + to_next_drop += 1; + n_left_to_next_drop -= 1; + + b0 = vlib_get_buffer (vm, bi0); + + type = lisp_msg_type (vlib_buffer_get_current (b0)); + switch (type) + { + case LISP_MAP_REPLY: + queue_map_reply (b0); + break; + case LISP_MAP_REQUEST: + process_map_request (vm, lcm, b0); + break; + default: + clib_warning ("Unsupported LISP message type %d", type); + break; + } + + b0->error = node->errors[LISP_CP_INPUT_ERROR_DROP]; + + if (PREDICT_FALSE (b0->flags & VLIB_BUFFER_IS_TRACED)) + { + + } + } + + vlib_put_next_frame (vm, node, LISP_CP_INPUT_NEXT_DROP, + n_left_to_next_drop); } return from_frame->n_vectors; } +/* *INDENT-OFF* */ VLIB_REGISTER_NODE (lisp_cp_input_node) = { .function = lisp_cp_input, .name = "lisp-cp-input", @@ -2907,12 +3512,13 @@ VLIB_REGISTER_NODE (lisp_cp_input_node) = { [LISP_CP_INPUT_NEXT_DROP] = "error-drop", }, }; +/* *INDENT-ON* */ clib_error_t * -lisp_cp_init (vlib_main_t *vm) +lisp_cp_init (vlib_main_t * vm) { - lisp_cp_main_t * lcm = vnet_lisp_cp_get_main(); - clib_error_t * error = 0; + lisp_cp_main_t *lcm = vnet_lisp_cp_get_main (); + clib_error_t *error = 0; if ((error = vlib_call_init_function (vm, lisp_gpe_init))) return error; @@ -2920,22 +3526,197 @@ lisp_cp_init (vlib_main_t *vm) lcm->im4 = &ip4_main; lcm->im6 = &ip6_main; lcm->vlib_main = vm; - lcm->vnet_main = vnet_get_main(); + lcm->vnet_main = vnet_get_main (); lcm->mreq_itr_rlocs = ~0; lcm->lisp_pitr = 0; + memset (&lcm->active_map_resolver, 0, sizeof (lcm->active_map_resolver)); + + lcm->pending_map_request_lock = + clib_mem_alloc_aligned (CLIB_CACHE_LINE_BYTES, CLIB_CACHE_LINE_BYTES); + lcm->pending_map_request_lock[0] = 0; gid_dictionary_init (&lcm->mapping_index_by_gid); + lcm->do_map_resolver_election = 1; + lcm->map_request_mode = MR_MODE_DST_ONLY; /* default vrf mapped to vni 0 */ - hash_set(lcm->table_id_by_vni, 0, 0); - hash_set(lcm->vni_by_table_id, 0, 0); + hash_set (lcm->table_id_by_vni, 0, 0); + hash_set (lcm->vni_by_table_id, 0, 0); udp_register_dst_port (vm, UDP_DST_PORT_lisp_cp, - lisp_cp_input_node.index, 1 /* is_ip4 */); + lisp_cp_input_node.index, 1 /* is_ip4 */ ); udp_register_dst_port (vm, UDP_DST_PORT_lisp_cp6, - lisp_cp_input_node.index, 0 /* is_ip4 */); + lisp_cp_input_node.index, 0 /* is_ip4 */ ); + + return 0; +} + +static void * +send_map_request_thread_fn (void *arg) +{ + map_request_args_t *a = arg; + lisp_cp_main_t *lcm = vnet_lisp_cp_get_main (); + + lisp_pending_map_request_lock (lcm); + + if (a->is_resend) + resend_encapsulated_map_request (lcm, &a->seid, &a->deid, a->smr_invoked); + else + send_encapsulated_map_request (lcm, &a->seid, &a->deid, a->smr_invoked); + + lisp_pending_map_request_unlock (lcm); return 0; } -VLIB_INIT_FUNCTION(lisp_cp_init); +static int +queue_map_request (gid_address_t * seid, gid_address_t * deid, + u8 smr_invoked, u8 is_resend) +{ + map_request_args_t a; + + a.is_resend = is_resend; + gid_address_copy (&a.seid, seid); + gid_address_copy (&a.deid, deid); + a.smr_invoked = smr_invoked; + + vl_api_rpc_call_main_thread (send_map_request_thread_fn, + (u8 *) & a, sizeof (a)); + return 0; +} + +/** + * Take an action with a pending map request depending on expiration time + * and re-try counters. + */ +static void +update_pending_request (pending_map_request_t * r, f64 dt) +{ + lisp_cp_main_t *lcm = vnet_lisp_cp_get_main (); + map_resolver_t *mr; + + if (r->time_to_expire - dt < 0) + /* it's time to decide what to do with this pending request */ + { + if (r->retries_num >= NUMBER_OF_RETRIES) + /* too many retries -> assume current map resolver is not available */ + { + mr = get_map_resolver (&lcm->active_map_resolver); + if (!mr) + { + clib_warning ("Map resolver %U not found - probably deleted " + "by the user recently.", format_ip_address, + &lcm->active_map_resolver); + } + else + { + clib_warning ("map resolver %U is unreachable, ignoring", + format_ip_address, &lcm->active_map_resolver); + + /* mark current map resolver unavailable so it won't be + * selected next time */ + mr->is_down = 1; + mr->last_update = vlib_time_now (lcm->vlib_main); + } + + reset_pending_mr_counters (r); + elect_map_resolver (lcm); + + /* try to find a next eligible map resolver and re-send */ + queue_map_request (&r->src, &r->dst, r->is_smr_invoked, + 1 /* resend */ ); + } + else + { + /* try again */ + queue_map_request (&r->src, &r->dst, r->is_smr_invoked, + 1 /* resend */ ); + r->retries_num++; + r->time_to_expire = PENDING_MREQ_EXPIRATION_TIME; + } + } + else + r->time_to_expire -= dt; +} + +static void +remove_dead_pending_map_requests (lisp_cp_main_t * lcm) +{ + u64 *nonce; + pending_map_request_t *pmr; + u32 *to_be_removed = 0, *pmr_index; + + ASSERT (*lcm->pending_map_request_lock); + + /* *INDENT-OFF* */ + pool_foreach (pmr, lcm->pending_map_requests_pool, + ({ + if (pmr->to_be_removed) + { + clib_fifo_foreach (nonce, pmr->nonces, ({ + hash_unset (lcm->pending_map_requests_by_nonce, nonce[0]); + })); + + vec_add1 (to_be_removed, pmr - lcm->pending_map_requests_pool); + } + })); + /* *INDENT-ON* */ + + vec_foreach (pmr_index, to_be_removed) + pool_put_index (lcm->pending_map_requests_by_nonce, pmr_index[0]); + + vec_free (to_be_removed); +} + +static uword +send_map_resolver_service (vlib_main_t * vm, + vlib_node_runtime_t * rt, vlib_frame_t * f) +{ + f64 period = 2.0; + pending_map_request_t *pmr; + lisp_cp_main_t *lcm = vnet_lisp_cp_get_main (); + + while (1) + { + vlib_process_wait_for_event_or_clock (vm, period); + + /* currently no signals are expected - just wait for clock */ + (void) vlib_process_get_events (vm, 0); + + lisp_pending_map_request_lock (lcm); + + /* *INDENT-OFF* */ + pool_foreach (pmr, lcm->pending_map_requests_pool, + ({ + if (!pmr->to_be_removed) + update_pending_request (pmr, period); + })); + /* *INDENT-ON* */ + + remove_dead_pending_map_requests (lcm); + + lisp_pending_map_request_unlock (lcm); + } + + /* unreachable */ + return 0; +} + +/* *INDENT-OFF* */ +VLIB_REGISTER_NODE (lisp_retry_service_node,static) = { + .function = send_map_resolver_service, + .type = VLIB_NODE_TYPE_PROCESS, + .name = "lisp-retry-service", + .process_log2_n_stack_bytes = 16, +}; +/* *INDENT-ON* */ + +VLIB_INIT_FUNCTION (lisp_cp_init); + +/* + * fd.io coding-style-patch-verification: ON + * + * Local Variables: + * eval: (c-set-style "gnu") + * End: + */