X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fvnet%2Fl2%2Fl2_input.c;h=704223a3d7530a054ebde47affdcadab7308d238;hb=e524d45eff40c773049e03ea5063216b469bbfcc;hp=c2df5acb3b2c290691eeb43d34e6b6884087367c;hpb=87dad11c8717735479e57cf6c065c7a7963c3aa3;p=vpp.git diff --git a/src/vnet/l2/l2_input.c b/src/vnet/l2/l2_input.c index c2df5acb3b2..704223a3d75 100644 --- a/src/vnet/l2/l2_input.c +++ b/src/vnet/l2/l2_input.c @@ -49,6 +49,8 @@ * For interfaces in Layer 3 mode, the packets will be routed. */ +#ifndef CLIB_MARCH_VARIANT + /* Feature graph node names */ static char *l2input_feat_names[] = { #define _(sym,name) name, @@ -71,6 +73,7 @@ format_l2_input_features (u8 * s, va_list * args) #undef _ }; u32 feature_bitmap = va_arg (*args, u32); + u32 verbose = va_arg (*args, u32); if (feature_bitmap == 0) { @@ -81,10 +84,19 @@ format_l2_input_features (u8 * s, va_list * args) feature_bitmap &= ~L2INPUT_FEAT_DROP; /* Not a feature */ int i; for (i = L2INPUT_N_FEAT; i >= 0; i--) - if (feature_bitmap & (1 << i)) - s = format (s, "%10s (%s)\n", display_names[i], l2input_feat_names[i]); + { + if (feature_bitmap & (1 << i)) + { + if (verbose) + s = format (s, "%17s (%s)\n", + display_names[i], l2input_feat_names[i]); + else + s = format (s, "%s ", l2input_feat_names[i]); + } + } return s; } +#endif /* CLIB_MARCH_VARIANT */ typedef struct { @@ -110,7 +122,11 @@ format_l2input_trace (u8 * s, va_list * args) return s; } +extern l2input_main_t l2input_main; + +#ifndef CLIB_MARCH_VARIANT l2input_main_t l2input_main; +#endif /* CLIB_MARCH_VARIANT */ #define foreach_l2input_error \ _(L2INPUT, "L2 input packets") \ @@ -176,7 +192,9 @@ classify_and_dispatch (l2input_main_t * msm, vlib_buffer_t * b0, u32 * next0) u8 protocol = ((ip6_header_t *) l3h0)->protocol; /* Disable bridge forwarding (flooding will execute instead if not xconnect) */ - feat_mask &= ~(L2INPUT_FEAT_FWD | L2INPUT_FEAT_UU_FLOOD); + feat_mask &= ~(L2INPUT_FEAT_FWD | + L2INPUT_FEAT_UU_FLOOD | + L2INPUT_FEAT_UU_FWD | L2INPUT_FEAT_GBP_FWD); /* Disable ARP-term for non-ARP and non-ICMP6 packet */ if (ethertype != ETHERNET_TYPE_ARP && @@ -355,8 +373,8 @@ l2input_node_inline (vlib_main_t * vm, l2input_trace_t *t = vlib_add_trace (vm, node, b0, sizeof (*t)); t->sw_if_index = sw_if_index0; - clib_memcpy (t->src, h0->src_address, 6); - clib_memcpy (t->dst, h0->dst_address, 6); + clib_memcpy_fast (t->src, h0->src_address, 6); + clib_memcpy_fast (t->dst, h0->dst_address, 6); } if (b1->flags & VLIB_BUFFER_IS_TRACED) { @@ -364,8 +382,8 @@ l2input_node_inline (vlib_main_t * vm, l2input_trace_t *t = vlib_add_trace (vm, node, b1, sizeof (*t)); t->sw_if_index = sw_if_index1; - clib_memcpy (t->src, h1->src_address, 6); - clib_memcpy (t->dst, h1->dst_address, 6); + clib_memcpy_fast (t->src, h1->src_address, 6); + clib_memcpy_fast (t->dst, h1->dst_address, 6); } if (b2->flags & VLIB_BUFFER_IS_TRACED) { @@ -373,8 +391,8 @@ l2input_node_inline (vlib_main_t * vm, l2input_trace_t *t = vlib_add_trace (vm, node, b2, sizeof (*t)); t->sw_if_index = sw_if_index2; - clib_memcpy (t->src, h2->src_address, 6); - clib_memcpy (t->dst, h2->dst_address, 6); + clib_memcpy_fast (t->src, h2->src_address, 6); + clib_memcpy_fast (t->dst, h2->dst_address, 6); } if (b3->flags & VLIB_BUFFER_IS_TRACED) { @@ -382,8 +400,8 @@ l2input_node_inline (vlib_main_t * vm, l2input_trace_t *t = vlib_add_trace (vm, node, b3, sizeof (*t)); t->sw_if_index = sw_if_index3; - clib_memcpy (t->src, h3->src_address, 6); - clib_memcpy (t->dst, h3->dst_address, 6); + clib_memcpy_fast (t->src, h3->src_address, 6); + clib_memcpy_fast (t->dst, h3->dst_address, 6); } } @@ -423,8 +441,8 @@ l2input_node_inline (vlib_main_t * vm, l2input_trace_t *t = vlib_add_trace (vm, node, b0, sizeof (*t)); sw_if_index0 = vnet_buffer (b0)->sw_if_index[VLIB_RX]; t->sw_if_index = sw_if_index0; - clib_memcpy (t->src, h0->src_address, 6); - clib_memcpy (t->dst, h0->dst_address, 6); + clib_memcpy_fast (t->src, h0->src_address, 6); + clib_memcpy_fast (t->dst, h0->dst_address, 6); } classify_and_dispatch (msm, b0, &next0); @@ -444,9 +462,8 @@ l2input_node_inline (vlib_main_t * vm, return frame->n_vectors; } -static uword -l2input_node_fn (vlib_main_t * vm, - vlib_node_runtime_t * node, vlib_frame_t * frame) +VLIB_NODE_FN (l2input_node) (vlib_main_t * vm, + vlib_node_runtime_t * node, vlib_frame_t * frame) { if (PREDICT_FALSE ((node->flags & VLIB_NODE_FLAG_TRACE))) return l2input_node_inline (vm, node, frame, 1 /* do_trace */ ); @@ -455,7 +472,6 @@ l2input_node_fn (vlib_main_t * vm, /* *INDENT-OFF* */ VLIB_REGISTER_NODE (l2input_node) = { - .function = l2input_node_fn, .name = "l2-input", .vector_size = sizeof (u32), .format_trace = format_l2input_trace, @@ -476,8 +492,9 @@ VLIB_REGISTER_NODE (l2input_node) = { }; /* *INDENT-ON* */ -VLIB_NODE_FUNCTION_MULTIARCH (l2input_node, l2input_node_fn) - clib_error_t *l2input_init (vlib_main_t * vm) +#ifndef CLIB_MARCH_VARIANT +clib_error_t * +l2input_init (vlib_main_t * vm) { l2input_main_t *mp = &l2input_main; @@ -516,7 +533,8 @@ l2input_intf_config (u32 sw_if_index) /** Enable (or disable) the feature in the bitmap for the given interface. */ u32 -l2input_intf_bitmap_enable (u32 sw_if_index, u32 feature_bitmap, u32 enable) +l2input_intf_bitmap_enable (u32 sw_if_index, + l2input_feat_masks_t feature_bitmap, u32 enable) { l2_input_config_t *config = l2input_intf_config (sw_if_index); @@ -538,6 +556,27 @@ l2input_set_bridge_features (u32 bd_index, u32 feat_mask, u32 feat_value) return bd_config->feature_bitmap; } +void +l2input_interface_mac_change (u32 sw_if_index, + const u8 * old_address, const u8 * new_address) +{ + /* check if the sw_if_index passed is a BVI in a BD */ + l2_input_config_t *intf_config; + + intf_config = l2input_intf_config (sw_if_index); + + if (intf_config->bridge && intf_config->bvi) + { + /* delete and re-add l2fib entry for the bvi interface */ + l2fib_del_entry (old_address, intf_config->bd_index, sw_if_index); + l2fib_add_entry (new_address, + intf_config->bd_index, + sw_if_index, + L2FIB_ENTRY_RESULT_FLAG_BVI | + L2FIB_ENTRY_RESULT_FLAG_STATIC); + } +} + /** * Set the subinterface to run in l2 or l3 mode. * For L3 mode, just the sw_if_index is specified. @@ -551,7 +590,7 @@ set_int_l2_mode (vlib_main_t * vm, vnet_main_t * vnet_main, /* */ u32 mode, /* One of L2 modes or back to L3 mode */ u32 sw_if_index, /* sw interface index */ u32 bd_index, /* for bridged interface */ - u32 bvi, /* the bridged interface is the BVI */ + l2_bd_port_type_t port_type, /* port_type */ u32 shg, /* the bridged interface split horizon group */ u32 xc_sw_if_index) /* peer interface for xconnect */ { @@ -563,7 +602,7 @@ set_int_l2_mode (vlib_main_t * vm, vnet_main_t * vnet_main, /* */ l2_input_config_t *config; l2_bridge_domain_t *bd_config; i32 l2_if_adjust = 0; - u32 slot; + vnet_device_class_t *dev_class; hi = vnet_get_sup_hw_interface (vnet_main, sw_if_index); config = l2input_intf_config (sw_if_index); @@ -585,19 +624,17 @@ set_int_l2_mode (vlib_main_t * vm, vnet_main_t * vnet_main, /* */ config->bvi = 0; /* delete the l2fib entry for the bvi interface */ - l2fib_del_entry (hi->hw_address, config->bd_index); - - /* Make loop output node send packet back to ethernet-input node */ - slot = - vlib_node_add_named_next_with_slot (vm, hi->tx_node_index, - "ethernet-input", - VNET_SIMULATED_ETHERNET_TX_NEXT_ETHERNET_INPUT); - ASSERT (slot == VNET_SIMULATED_ETHERNET_TX_NEXT_ETHERNET_INPUT); + l2fib_del_entry (hi->hw_address, config->bd_index, sw_if_index); /* since this is a no longer BVI interface do not to flood to it */ si = vnet_get_sw_interface (vnm, sw_if_index); si->flood_class = VNET_FLOOD_CLASS_NO_FLOOD; } + if (bd_config->uu_fwd_sw_if_index == sw_if_index) + { + bd_config->uu_fwd_sw_if_index = ~0; + bd_config->feature_bitmap &= ~L2INPUT_FEAT_UU_FWD; + } /* Clear MACs learned on the interface */ if ((config->feature_bitmap & L2INPUT_FEAT_LEARN) || @@ -628,7 +665,7 @@ set_int_l2_mode (vlib_main_t * vm, vnet_main_t * vnet_main, /* */ /* Clear L2 output config */ out_config = l2output_intf_config (sw_if_index); - memset (out_config, 0, sizeof (l2_output_config_t)); + clib_memset (out_config, 0, sizeof (l2_output_config_t)); /* Make sure any L2-output packet to this interface now in L3 mode is * dropped. This may happen if L2 FIB MAC entry is stale */ @@ -642,6 +679,8 @@ set_int_l2_mode (vlib_main_t * vm, vnet_main_t * vnet_main, /* */ if (mode == MODE_L2_BRIDGE) { + u8 member_flags; + /* * Remove a check that the interface must be an Ethernet. * Specifically so we can bridge to L3 tunnel interfaces. @@ -661,8 +700,12 @@ set_int_l2_mode (vlib_main_t * vm, vnet_main_t * vnet_main, /* */ * Enable forwarding, flooding, learning and ARP termination by default * (note that ARP term is disabled on BD feature bitmap by default) */ - config->feature_bitmap |= L2INPUT_FEAT_FWD | L2INPUT_FEAT_UU_FLOOD | - L2INPUT_FEAT_FLOOD | L2INPUT_FEAT_LEARN | L2INPUT_FEAT_ARP_TERM; + config->feature_bitmap |= (L2INPUT_FEAT_FWD | + L2INPUT_FEAT_UU_FLOOD | + L2INPUT_FEAT_UU_FWD | + L2INPUT_FEAT_FLOOD | + L2INPUT_FEAT_LEARN | + L2INPUT_FEAT_ARP_TERM); /* Make sure last-chance drop is configured */ config->feature_bitmap |= L2INPUT_FEAT_DROP; @@ -677,7 +720,7 @@ set_int_l2_mode (vlib_main_t * vm, vnet_main_t * vnet_main, /* */ /* TODO: think: add l2fib entry even for non-bvi interface? */ /* Do BVI interface initializations */ - if (bvi) + if (L2_BD_PORT_TYPE_BVI == port_type) { vnet_sw_interface_t *si; @@ -690,31 +733,39 @@ set_int_l2_mode (vlib_main_t * vm, vnet_main_t * vnet_main, /* */ config->bvi = 1; /* create the l2fib entry for the bvi interface */ - l2fib_add_fwd_entry (hi->hw_address, bd_index, sw_if_index, 1, 1); /* static + bvi */ + l2fib_add_entry (hi->hw_address, bd_index, sw_if_index, + L2FIB_ENTRY_RESULT_FLAG_BVI | + L2FIB_ENTRY_RESULT_FLAG_STATIC); /* Disable learning by default. no use since l2fib entry is static. */ config->feature_bitmap &= ~L2INPUT_FEAT_LEARN; - /* Make loop output node send packet to l2-input node */ - slot = - vlib_node_add_named_next_with_slot (vm, hi->tx_node_index, - "l2-input", - VNET_SIMULATED_ETHERNET_TX_NEXT_ETHERNET_INPUT); - ASSERT (slot == VNET_SIMULATED_ETHERNET_TX_NEXT_ETHERNET_INPUT); - /* since this is a BVI interface we want to flood to it */ si = vnet_get_sw_interface (vnm, sw_if_index); si->flood_class = VNET_FLOOD_CLASS_BVI; + member_flags = L2_FLOOD_MEMBER_BVI; + } + else if (L2_BD_PORT_TYPE_UU_FWD == port_type) + { + bd_config->uu_fwd_sw_if_index = sw_if_index; + bd_config->feature_bitmap |= L2INPUT_FEAT_UU_FWD; + } + else + { + member_flags = L2_FLOOD_MEMBER_NORMAL; } - /* Add interface to bridge-domain flood vector */ - l2_flood_member_t member = { - .sw_if_index = sw_if_index, - .flags = bvi ? L2_FLOOD_MEMBER_BVI : L2_FLOOD_MEMBER_NORMAL, - .shg = shg, - }; - bd_add_member (bd_config, &member); - + if (L2_BD_PORT_TYPE_NORMAL == port_type || + L2_BD_PORT_TYPE_BVI == port_type) + { + /* Add interface to bridge-domain flood vector */ + l2_flood_member_t member = { + .sw_if_index = sw_if_index, + .flags = member_flags, + .shg = shg, + }; + bd_add_member (bd_config, &member); + } } else if (mode == MODE_L2_XC) { @@ -798,8 +849,15 @@ set_int_l2_mode (vlib_main_t * vm, vnet_main_t * vnet_main, /* */ /* Set up the L2/L3 flag in the interface parsing tables */ ethernet_sw_interface_set_l2_mode (vnm, sw_if_index, (mode != MODE_L3)); + dev_class = vnet_get_device_class (vnet_main, hi->dev_class_index); + if (dev_class->set_l2_mode_function) + { + dev_class->set_l2_mode_function (vnet_main, hi, l2_if_adjust); + } + return 0; } +#endif /* CLIB_MARCH_VARIANT */ /** * Set subinterface in bridging mode with a bridge-domain ID. @@ -811,10 +869,10 @@ int_l2_bridge (vlib_main_t * vm, unformat_input_t * input, vlib_cli_command_t * cmd) { vnet_main_t *vnm = vnet_get_main (); + l2_bd_port_type_t port_type; clib_error_t *error = 0; u32 bd_index, bd_id; u32 sw_if_index; - u32 bvi; u32 rc; u32 shg; @@ -841,7 +899,11 @@ int_l2_bridge (vlib_main_t * vm, bd_index = bd_find_or_add_bd_index (&bd_main, bd_id); /* optional bvi */ - bvi = unformat (input, "bvi"); + port_type = L2_BD_PORT_TYPE_NORMAL; + if (unformat (input, "bvi")) + port_type = L2_BD_PORT_TYPE_BVI; + if (unformat (input, "uu-fwd")) + port_type = L2_BD_PORT_TYPE_UU_FWD; /* optional split horizon group */ shg = 0; @@ -849,8 +911,8 @@ int_l2_bridge (vlib_main_t * vm, /* set the interface mode */ if ((rc = - set_int_l2_mode (vm, vnm, MODE_L2_BRIDGE, sw_if_index, bd_index, bvi, - shg, 0))) + set_int_l2_mode (vm, vnm, MODE_L2_BRIDGE, sw_if_index, bd_index, + port_type, shg, 0))) { if (rc == MODE_ERROR_ETH) { @@ -904,7 +966,7 @@ done: /* *INDENT-OFF* */ VLIB_CLI_COMMAND (int_l2_bridge_cli, static) = { .path = "set interface l2 bridge", - .short_help = "set interface l2 bridge [bvi] [shg]", + .short_help = "set interface l2 bridge [bvi|uu-fwd] [shg]", .function = int_l2_bridge, }; /* *INDENT-ON* */ @@ -940,7 +1002,8 @@ int_l2_xc (vlib_main_t * vm, /* set the interface mode */ if (set_int_l2_mode - (vm, vnm, MODE_L2_XC, sw_if_index, 0, 0, 0, xc_sw_if_index)) + (vm, vnm, MODE_L2_XC, sw_if_index, 0, L2_BD_PORT_TYPE_NORMAL, + 0, xc_sw_if_index)) { error = clib_error_return (0, "invalid configuration for interface", format_unformat_error, input); @@ -953,7 +1016,7 @@ done: /*? * Use this command put an interface into Layer 2 cross-connect mode. - * Both interfaces must be in this mode for bi-directioal traffic. All + * Both interfaces must be in this mode for bi-directional traffic. All * packets received on one interface will be transmitted to the other. * To remove the Layer 2 cross-connect, put the interface in a different * mode, for example Layer 3 mode. @@ -994,7 +1057,8 @@ int_l3 (vlib_main_t * vm, unformat_input_t * input, vlib_cli_command_t * cmd) } /* set the interface mode */ - if (set_int_l2_mode (vm, vnm, MODE_L3, sw_if_index, 0, 0, 0, 0)) + if (set_int_l2_mode (vm, vnm, MODE_L3, sw_if_index, 0, + L2_BD_PORT_TYPE_NORMAL, 0, 0)) { error = clib_error_return (0, "invalid configuration for interface", format_unformat_error, input); @@ -1106,11 +1170,11 @@ done: } /*? - * Show the packet processing mode (Layer2 xcross-onnect, Layer 2 bridge, + * Show the packet processing mode (Layer2 cross-connect, Layer 2 bridge, * Layer 3 routed) of all interfaces and sub-interfaces, or limit the * output to just the provided list of interfaces and sub-interfaces. * The output shows the mode, the interface, and if the interface is - * a member of a bridge, the bridge-domain-id and the split horizen group (shg). + * a member of a bridge, the bridge-domain-id and the split horizon group (shg). * * @cliexpar * Example of displaying the mode of all interfaces: @@ -1125,7 +1189,7 @@ done: * l2 xconnect GigabitEthernet0/8/0.300 GigabitEthernet0/9/0.300 * l2 xconnect GigabitEthernet0/9/0.300 GigabitEthernet0/8/0.300 * @cliexend - * Example of displaying the mode of a seleted list of interfaces: + * Example of displaying the mode of a selected list of interfaces: * @cliexstart{show mode GigabitEthernet0/8/0 GigabitEthernet0/8/0.200} * l3 GigabitEthernet0/8/0 * l2 bridge GigabitEthernet0/8/0.200 bd_id 200 shg 0 @@ -1156,6 +1220,7 @@ _(l2output_init) \ _(l2_patch_init) \ _(l2_xcrw_init) +#ifndef CLIB_MARCH_VARIANT clib_error_t * l2_init (vlib_main_t * vm) { @@ -1170,6 +1235,7 @@ while (0); } VLIB_INIT_FUNCTION (l2_init); +#endif /* CLIB_MARCH_VARIANT */ /* * fd.io coding-style-patch-verification: ON