From 2ae2bc5380845d1480ec385749b7e8515e3b2185 Mon Sep 17 00:00:00 2001 From: Neale Ranns Date: Fri, 16 Mar 2018 03:22:39 -0700 Subject: Remove unnumbered configuration on interface delete Change-Id: Iae5532c3d53e208831f3b2782242d9e59d367087 Signed-off-by: Neale Ranns --- src/vnet/interface.c | 45 ++++++++++++++++++++++++++++++++++++++ src/vnet/interface_api.c | 39 ++------------------------------- src/vnet/interface_cli.c | 54 +++++++++++----------------------------------- src/vnet/interface_funcs.h | 4 ++++ src/vnet/ip/ip4_forward.c | 3 ++- src/vnet/ip/ip6_forward.c | 3 ++- 6 files changed, 68 insertions(+), 80 deletions(-) (limited to 'src') diff --git a/src/vnet/interface.c b/src/vnet/interface.c index b197aa1e073..122ae065ad0 100644 --- a/src/vnet/interface.c +++ b/src/vnet/interface.c @@ -1414,6 +1414,51 @@ vnet_hw_interface_change_mac_address (vnet_main_t * vnm, u32 hw_if_index, (vnm, hw_if_index, mac_address); } +/* update the unnumbered state of an interface*/ +void +vnet_sw_interface_update_unnumbered (u32 unnumbered_sw_if_index, + u32 ip_sw_if_index, u8 enable) +{ + vnet_main_t *vnm = vnet_get_main (); + vnet_sw_interface_t *si; + u32 was_unnum; + + si = vnet_get_sw_interface (vnm, unnumbered_sw_if_index); + was_unnum = (si->flags & VNET_SW_INTERFACE_FLAG_UNNUMBERED); + + if (enable) + { + si->flags |= VNET_SW_INTERFACE_FLAG_UNNUMBERED; + si->unnumbered_sw_if_index = ip_sw_if_index; + + ip4_main.lookup_main.if_address_pool_index_by_sw_if_index + [unnumbered_sw_if_index] = + ip4_main. + lookup_main.if_address_pool_index_by_sw_if_index[ip_sw_if_index]; + ip6_main. + lookup_main.if_address_pool_index_by_sw_if_index + [unnumbered_sw_if_index] = + ip6_main. + lookup_main.if_address_pool_index_by_sw_if_index[ip_sw_if_index]; + } + else + { + si->flags &= ~(VNET_SW_INTERFACE_FLAG_UNNUMBERED); + si->unnumbered_sw_if_index = (u32) ~ 0; + + ip4_main.lookup_main.if_address_pool_index_by_sw_if_index + [unnumbered_sw_if_index] = ~0; + ip6_main.lookup_main.if_address_pool_index_by_sw_if_index + [unnumbered_sw_if_index] = ~0; + } + + if (was_unnum != (si->flags & VNET_SW_INTERFACE_FLAG_UNNUMBERED)) + { + ip4_sw_interface_enable_disable (unnumbered_sw_if_index, enable); + ip6_sw_interface_enable_disable (unnumbered_sw_if_index, enable); + } +} + vnet_l3_packet_type_t vnet_link_to_l3_proto (vnet_link_t link) { diff --git a/src/vnet/interface_api.c b/src/vnet/interface_api.c index fc7af1be463..b22cadd871e 100644 --- a/src/vnet/interface_api.c +++ b/src/vnet/interface_api.c @@ -582,7 +582,6 @@ static void vl_api_sw_interface_set_unnumbered_t_handler vnet_main_t *vnm = vnet_get_main (); u32 sw_if_index = ntohl (mp->sw_if_index); u32 unnumbered_sw_if_index = ntohl (mp->unnumbered_sw_if_index); - u32 was_unnum; /* * The API message field names are backwards from @@ -602,42 +601,8 @@ static void vl_api_sw_interface_set_unnumbered_t_handler goto done; } - vnet_sw_interface_t *si = - vnet_get_sw_interface (vnm, unnumbered_sw_if_index); - was_unnum = (si->flags & VNET_SW_INTERFACE_FLAG_UNNUMBERED); - - if (mp->is_add) - { - si->flags |= VNET_SW_INTERFACE_FLAG_UNNUMBERED; - si->unnumbered_sw_if_index = sw_if_index; - - ip4_main.lookup_main.if_address_pool_index_by_sw_if_index - [unnumbered_sw_if_index] = - ip4_main. - lookup_main.if_address_pool_index_by_sw_if_index[sw_if_index]; - ip6_main. - lookup_main.if_address_pool_index_by_sw_if_index - [unnumbered_sw_if_index] = - ip6_main. - lookup_main.if_address_pool_index_by_sw_if_index[sw_if_index]; - } - else - { - si->flags &= ~(VNET_SW_INTERFACE_FLAG_UNNUMBERED); - si->unnumbered_sw_if_index = (u32) ~ 0; - - ip4_main.lookup_main.if_address_pool_index_by_sw_if_index - [unnumbered_sw_if_index] = ~0; - ip6_main.lookup_main.if_address_pool_index_by_sw_if_index - [unnumbered_sw_if_index] = ~0; - } - - if (was_unnum != (si->flags & VNET_SW_INTERFACE_FLAG_UNNUMBERED)) - { - ip4_sw_interface_enable_disable (unnumbered_sw_if_index, mp->is_add); - ip6_sw_interface_enable_disable (unnumbered_sw_if_index, mp->is_add); - } - + vnet_sw_interface_update_unnumbered (unnumbered_sw_if_index, + sw_if_index, mp->is_add); done: REPLY_MACRO (VL_API_SW_INTERFACE_SET_UNNUMBERED_REPLY); } diff --git a/src/vnet/interface_cli.c b/src/vnet/interface_cli.c index 8880d9749b8..d151335aa1f 100644 --- a/src/vnet/interface_cli.c +++ b/src/vnet/interface_cli.c @@ -934,60 +934,32 @@ set_unnumbered (vlib_main_t * vm, unformat_input_t * input, vlib_cli_command_t * cmd) { vnet_main_t *vnm = vnet_get_main (); - u32 unnumbered_sw_if_index; - u32 inherit_from_sw_if_index; - vnet_sw_interface_t *si; - int is_set = 0; - int is_del = 0; - u32 was_unnum; + u32 unnumbered_sw_if_index = ~0; + u32 inherit_from_sw_if_index = ~0; + int enable = 1; if (unformat (input, "%U use %U", unformat_vnet_sw_interface, vnm, &unnumbered_sw_if_index, unformat_vnet_sw_interface, vnm, &inherit_from_sw_if_index)) - is_set = 1; + enable = 1; else if (unformat (input, "del %U", unformat_vnet_sw_interface, vnm, &unnumbered_sw_if_index)) - is_del = 1; + enable = 0; else return clib_error_return (0, "parse error '%U'", format_unformat_error, input); - si = vnet_get_sw_interface (vnm, unnumbered_sw_if_index); - was_unnum = (si->flags & VNET_SW_INTERFACE_FLAG_UNNUMBERED); + if (~0 == unnumbered_sw_if_index) + return clib_error_return (0, "Specify the unnumbered interface"); + if (enable && ~0 == inherit_from_sw_if_index) + return clib_error_return (0, "When enabling unnumberered specify the" + " IP enabled interface that it uses"); - if (is_del) - { - si->flags &= ~(VNET_SW_INTERFACE_FLAG_UNNUMBERED); - si->unnumbered_sw_if_index = (u32) ~ 0; - - ip4_main.lookup_main.if_address_pool_index_by_sw_if_index - [unnumbered_sw_if_index] = ~0; - ip6_main.lookup_main.if_address_pool_index_by_sw_if_index - [unnumbered_sw_if_index] = ~0; - } - else if (is_set) - { - si->flags |= VNET_SW_INTERFACE_FLAG_UNNUMBERED; - si->unnumbered_sw_if_index = inherit_from_sw_if_index; - - ip4_main.lookup_main.if_address_pool_index_by_sw_if_index - [unnumbered_sw_if_index] = - ip4_main.lookup_main.if_address_pool_index_by_sw_if_index - [inherit_from_sw_if_index]; - ip6_main.lookup_main.if_address_pool_index_by_sw_if_index - [unnumbered_sw_if_index] = - ip6_main.lookup_main.if_address_pool_index_by_sw_if_index - [inherit_from_sw_if_index]; - } + vnet_sw_interface_update_unnumbered (unnumbered_sw_if_index, + inherit_from_sw_if_index, enable); - if (was_unnum != (si->flags & VNET_SW_INTERFACE_FLAG_UNNUMBERED)) - { - ip4_sw_interface_enable_disable (unnumbered_sw_if_index, !is_del); - ip6_sw_interface_enable_disable (unnumbered_sw_if_index, !is_del); - } - - return 0; + return (NULL); } /* *INDENT-OFF* */ diff --git a/src/vnet/interface_funcs.h b/src/vnet/interface_funcs.h index 9c96027b705..3d045f84d2b 100644 --- a/src/vnet/interface_funcs.h +++ b/src/vnet/interface_funcs.h @@ -295,6 +295,10 @@ clib_error_t *set_hw_interface_change_rx_mode (vnet_main_t * vnm, /* Set the MTU on the HW interface */ void vnet_hw_interface_set_mtu (vnet_main_t * vnm, u32 hw_if_index, u32 mtu); +/* update the unnumbered state of an interface */ +void vnet_sw_interface_update_unnumbered (u32 sw_if_index, + u32 ip_sw_if_index, u8 enable); + /* Formats sw/hw interface. */ format_function_t format_vnet_hw_interface; format_function_t format_vnet_hw_interface_rx_mode; diff --git a/src/vnet/ip/ip4_forward.c b/src/vnet/ip/ip4_forward.c index 6b7eb9c0f30..19babced33f 100644 --- a/src/vnet/ip/ip4_forward.c +++ b/src/vnet/ip/ip4_forward.c @@ -793,8 +793,9 @@ ip4_sw_interface_add_del (vnet_main_t * vnm, u32 sw_if_index, u32 is_add) ip4_address_t *address; vlib_main_t *vm = vlib_get_main (); + vnet_sw_interface_update_unnumbered (sw_if_index, ~0, 0); /* *INDENT-OFF* */ - foreach_ip_interface_address (lm4, ia, sw_if_index, 1 /* honor unnumbered */, + foreach_ip_interface_address (lm4, ia, sw_if_index, 0, ({ address = ip_interface_address_get_address (lm4, ia); ip4_add_del_interface_address(vm, sw_if_index, address, ia->address_length, 1); diff --git a/src/vnet/ip/ip6_forward.c b/src/vnet/ip/ip6_forward.c index eb7667b0148..3eb84e8b9ef 100644 --- a/src/vnet/ip/ip6_forward.c +++ b/src/vnet/ip/ip6_forward.c @@ -432,8 +432,9 @@ ip6_sw_interface_add_del (vnet_main_t * vnm, u32 sw_if_index, u32 is_add) vlib_main_t *vm = vlib_get_main (); ip6_neighbor_sw_interface_add_del (vnm, sw_if_index, 0 /* is_add */ ); + vnet_sw_interface_update_unnumbered (sw_if_index, ~0, 0); /* *INDENT-OFF* */ - foreach_ip_interface_address (lm6, ia, sw_if_index, 1 /* honor unnumbered */, + foreach_ip_interface_address (lm6, ia, sw_if_index, 0, ({ address = ip_interface_address_get_address (lm6, ia); ip6_add_del_interface_address(vm, sw_if_index, address, ia->address_length, 1); -- cgit 1.2.3-korg