From 75b9f45a15bfae423b114dfcaa6eb114c91527eb Mon Sep 17 00:00:00 2001 From: Matus Fabian Date: Tue, 2 Oct 2018 23:27:21 -0700 Subject: [PATCH] ip: add container proxy dump API (VPP-1364) Change-Id: I3cb89dbfb7174b9913a8c4ad9b3b1dc9f6ed6326 Signed-off-by: Matus Fabian --- src/vnet/ip/ip.api | 13 +++++++++++++ src/vnet/ip/ip_api.c | 49 ++++++++++++++++++++++++++++++++++++++++++++++ src/vnet/ip/lookup.c | 55 ++++++++++++++++++++++++++++++++++++++++++++++++++++ src/vnet/ip/lookup.h | 4 ++++ 4 files changed, 121 insertions(+) diff --git a/src/vnet/ip/ip.api b/src/vnet/ip/ip.api index a34f0d0305f..954ec92967f 100644 --- a/src/vnet/ip/ip.api +++ b/src/vnet/ip/ip.api @@ -673,6 +673,19 @@ autoreply define ip_container_proxy_add_del u8 is_add; }; +define ip_container_proxy_dump +{ + u32 client_index; + u32 context; +}; + +define ip_container_proxy_details +{ + u32 context; + u32 sw_if_index; + vl_api_prefix_t prefix; +}; + /** \brief Configure IP source and L4 port-range check @param client_index - opaque cookie to identify the sender @param context - sender context, to match reply w/ request diff --git a/src/vnet/ip/ip_api.c b/src/vnet/ip/ip_api.c index 91832a07e09..4355d11e792 100644 --- a/src/vnet/ip/ip_api.c +++ b/src/vnet/ip/ip_api.c @@ -45,6 +45,7 @@ #include #include #include +#include #include @@ -102,6 +103,7 @@ _(SW_INTERFACE_IP6_ENABLE_DISABLE, sw_interface_ip6_enable_disable ) \ _(SW_INTERFACE_IP6_SET_LINK_LOCAL_ADDRESS, \ sw_interface_ip6_set_link_local_address) \ _(IP_CONTAINER_PROXY_ADD_DEL, ip_container_proxy_add_del) \ +_(IP_CONTAINER_PROXY_DUMP, ip_container_proxy_dump) \ _(IOAM_ENABLE, ioam_enable) \ _(IOAM_DISABLE, ioam_disable) \ _(IP_SOURCE_AND_PORT_RANGE_CHECK_ADD_DEL, \ @@ -1944,6 +1946,53 @@ static void REPLY_MACRO (VL_API_IP_CONTAINER_PROXY_ADD_DEL_REPLY); } +typedef struct ip_container_proxy_walk_ctx_t_ +{ + vl_api_registration_t *reg; + u32 context; +} ip_container_proxy_walk_ctx_t; + +static int +ip_container_proxy_send_details (const fib_prefix_t * pfx, u32 sw_if_index, + void *args) +{ + vl_api_ip_container_proxy_details_t *mp; + ip_container_proxy_walk_ctx_t *ctx = args; + + mp = vl_msg_api_alloc (sizeof (*mp)); + if (!mp) + return 1; + + memset (mp, 0, sizeof (*mp)); + mp->_vl_msg_id = ntohs (VL_API_IP_CONTAINER_PROXY_DETAILS); + mp->context = ctx->context; + + mp->sw_if_index = ntohl (sw_if_index); + ip_prefix_encode (pfx, &mp->prefix); + + vl_api_send_msg (ctx->reg, (u8 *) mp); + + return 1; +} + +static void +vl_api_ip_container_proxy_dump_t_handler (vl_api_ip_container_proxy_dump_t * + mp) +{ + vl_api_registration_t *reg; + + reg = vl_api_client_index_to_registration (mp->client_index); + if (!reg) + return; + + ip_container_proxy_walk_ctx_t ctx = { + .context = mp->context, + .reg = reg, + }; + + ip_container_proxy_walk (ip_container_proxy_send_details, &ctx); +} + static void vl_api_ioam_enable_t_handler (vl_api_ioam_enable_t * mp) { diff --git a/src/vnet/ip/lookup.c b/src/vnet/ip/lookup.c index 42509972a98..017ca0db39b 100644 --- a/src/vnet/ip/lookup.c +++ b/src/vnet/ip/lookup.c @@ -1321,6 +1321,61 @@ ip_container_proxy_is_set (fib_prefix_t * pfx, u32 sw_if_index) return (l3p->l3p_sw_if_index == sw_if_index); } +typedef struct ip_container_proxy_walk_ctx_t_ +{ + ip_container_proxy_cb_t cb; + void *ctx; +} ip_container_proxy_walk_ctx_t; + +static fib_table_walk_rc_t +ip_container_proxy_fib_table_walk (fib_node_index_t fei, void *arg) +{ + ip_container_proxy_walk_ctx_t *ctx = arg; + const fib_prefix_t *pfx; + const dpo_id_t *dpo; + load_balance_t *lb; + l3_proxy_dpo_t *l3p; + + pfx = fib_entry_get_prefix (fei); + if (fib_entry_is_sourced (fei, FIB_SOURCE_PROXY)) + { + dpo = fib_entry_contribute_ip_forwarding (fei); + lb = load_balance_get (dpo->dpoi_index); + dpo = load_balance_get_bucket_i (lb, 0); + l3p = l3_proxy_dpo_get (dpo->dpoi_index); + ctx->cb (pfx, l3p->l3p_sw_if_index, ctx->ctx); + } + + return FIB_TABLE_WALK_CONTINUE; +} + +void +ip_container_proxy_walk (ip_container_proxy_cb_t cb, void *ctx) +{ + fib_table_t *fib_table; + ip_container_proxy_walk_ctx_t wctx = { + .cb = cb, + .ctx = ctx, + }; + + /* *INDENT-OFF* */ + pool_foreach (fib_table, ip4_main.fibs, + ({ + fib_table_walk(fib_table->ft_index, + FIB_PROTOCOL_IP4, + ip_container_proxy_fib_table_walk, + &wctx); + })); + pool_foreach (fib_table, ip6_main.fibs, + ({ + fib_table_walk(fib_table->ft_index, + FIB_PROTOCOL_IP6, + ip_container_proxy_fib_table_walk, + &wctx); + })); + /* *INDENT-ON* */ +} + clib_error_t * ip_container_cmd (vlib_main_t * vm, unformat_input_t * main_input, vlib_cli_command_t * cmd) diff --git a/src/vnet/ip/lookup.h b/src/vnet/ip/lookup.h index 93e1e029b41..374023835f4 100644 --- a/src/vnet/ip/lookup.h +++ b/src/vnet/ip/lookup.h @@ -236,6 +236,10 @@ typedef struct _vnet_ip_container_proxy_args clib_error_t *vnet_ip_container_proxy_add_del (vnet_ip_container_proxy_args_t * args); +typedef int (*ip_container_proxy_cb_t) (const fib_prefix_t * pfx, + u32 sw_if_index, void *ctx); +void ip_container_proxy_walk (ip_container_proxy_cb_t cb, void *ctx); + void ip_lookup_init (ip_lookup_main_t * lm, u32 ip_lookup_node_index); #endif /* included_ip_lookup_h */ -- 2.16.6