move unix_file_* code to vppinfra - vpp - Vector Packet Processing

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author	Damjan Marion <damarion@cisco.com>	2017-09-08 19:52:02 +0200
committer	Florin Coras <florin.coras@gmail.com>	2017-09-09 20:11:03 +0000
commit	56dd5438b04b869065d8e901c315496bb6777455 (patch)
tree	517190c53cfd2725d716eda6dddf9a64ad814084 /src/suffix-rules.mk
parent	816122e303efb5012f6897bd53ff8fe28cd8fa1c (diff)

move unix_file_* code to vppinfra

This will allow us to use this code in client libraries without vlib. Change-Id: I8557b752496841ba588aa36b6082cbe2cd1867fe Signed-off-by: Damjan Marion <damarion@cisco.com>

Diffstat (limited to 'src/suffix-rules.mk')

0 files changed, 0 insertions, 0 deletions

/* * Copyright (c) 2017 Cisco and/or its affiliates. * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at: * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #define _GNU_SOURCE #include <vnet/bonding/node.h> #include <lacp/node.h> static int lacp_packet_scan (vlib_main_t * vm, slave_if_t * sif) { lacp_pdu_t *lacpdu = (lacp_pdu_t *) sif->last_rx_pkt; if (lacpdu->subtype != LACP_SUBTYPE) return LACP_ERROR_UNSUPPORTED; /* * According to the spec, no checking on the version number and tlv types. * But we may check the tlv lengths. */ if ((lacpdu->actor.tlv_length != sizeof (lacp_actor_partner_t)) || (lacpdu->partner.tlv_length != sizeof (lacp_actor_partner_t)) || (lacpdu->collector.tlv_length != sizeof (lacp_collector_t)) || (lacpdu->terminator.tlv_length != 0)) return (LACP_ERROR_BAD_TLV); lacp_machine_dispatch (&lacp_rx_machine, vm, sif, LACP_RX_EVENT_PDU_RECEIVED, &sif->rx_state); return LACP_ERROR_NONE; } static void marker_fill_pdu (marker_pdu_t * marker, slave_if_t * sif) { marker_pdu_t *pkt = (marker_pdu_t *) sif->last_marker_pkt; marker->marker_info = pkt->marker_info; marker->marker_info.tlv_type = MARKER_RESPONSE_INFORMATION; } void marker_fill_request_pdu (marker_pdu_t * marker, slave_if_t * sif) { marker->marker_info.tlv_type = MARKER_INFORMATION; marker->marker_info.requester_port = sif->actor.port_number; clib_memcpy (marker->marker_info.requester_system, sif->actor.system, 6); marker->marker_info.requester_transaction_id = sif->marker_tx_id; sif->marker_tx_id++; } static void send_ethernet_marker_response_pdu (slave_if_t * sif) { lacp_main_t *lm = &lacp_main; u32 *to_next; ethernet_marker_pdu_t *h0; vnet_hw_interface_t *hw; u32 bi0; vlib_buffer_t *b0; vlib_frame_t *f; vlib_main_t *vm = lm->vlib_main; vnet_main_t *vnm = lm->vnet_main; /* * see lacp_periodic_init() to understand what's already painted * into the buffer by the packet template mechanism */ h0 = vlib_packet_template_get_packet (vm, &lm->marker_packet_templates[sif->packet_template_index], &bi0); if (!h0) return; /* Add the interface's ethernet source address */ hw = vnet_get_sup_hw_interface (vnm, sif->sw_if_index); clib_memcpy (h0->ethernet.src_address, hw->hw_address, vec_len (hw->hw_address)); marker_fill_pdu (&h0->marker, sif); /* Set the outbound packet length */ b0 = vlib_get_buffer (vm, bi0); b0->current_length = sizeof (ethernet_marker_pdu_t); b0->current_data = 0; b0->total_length_not_including_first_buffer = 0; /* And the outbound interface */ vnet_buffer (b0)->sw_if_index[VLIB_TX] = hw->sw_if_index; /* And output the packet on the correct interface */ f = vlib_get_frame_to_node (vm, hw->output_node_index); to_next = vlib_frame_vector_args (f); to_next[0] = bi0; f->n_vectors = 1; vlib_put_frame_to_node (vm, hw->output_node_index, f); } static int handle_marker_protocol (vlib_main_t * vm, slave_if_t * sif) { marker_pdu_t *marker = (marker_pdu_t *) sif->last_marker_pkt; /* * According to the spec, no checking on the version number and tlv types. * But we may check the tlv lengths. */ if ((marker->marker_info.tlv_length != sizeof (marker_information_t)) || (marker->terminator.tlv_length != 0)) return (LACP_ERROR_BAD_TLV); send_ethernet_marker_response_pdu (sif); return LACP_ERROR_NONE; } /* * lacp input routine */ lacp_error_t lacp_input (vlib_main_t * vm, vlib_buffer_t * b0, u32 bi0) { lacp_main_t *lm = &lacp_main; slave_if_t *sif; uword nbytes; lacp_error_t e; marker_pdu_t *marker; uword last_packet_signature; bond_if_t *bif; sif = bond_get_slave_by_sw_if_index (vnet_buffer (b0)->sw_if_index[VLIB_RX]); if ((sif == 0) || (sif->mode != BOND_MODE_LACP)) { return LACP_ERROR_DISABLED; } /* Handle marker protocol */ marker = (marker_pdu_t *) (b0->data + b0->current_data); if (marker->subtype == MARKER_SUBTYPE) { if (sif->last_marker_pkt) _vec_len (sif->last_marker_pkt) = 0; vec_validate (sif->last_marker_pkt, vlib_buffer_length_in_chain (vm, b0) - 1); nbytes = vlib_buffer_contents (vm, bi0, sif->last_marker_pkt); ASSERT (nbytes <= vec_len (sif->last_marker_pkt)); if (nbytes < sizeof (lacp_pdu_t)) return LACP_ERROR_TOO_SMALL; return (handle_marker_protocol (vm, sif)); } /* * typical clib idiom. Don't repeatedly allocate and free * the per-neighbor rx buffer. Reset its apparent length to zero * and reuse it. */ if (sif->last_rx_pkt) _vec_len (sif->last_rx_pkt) = 0; /* * Make sure the per-neighbor rx buffer is big enough to hold * the data we're about to copy */ vec_validate (sif->last_rx_pkt, vlib_buffer_length_in_chain (vm, b0) - 1); /* * Coalesce / copy the buffer chain into the per-neighbor * rx buffer */ nbytes = vlib_buffer_contents (vm, bi0, sif->last_rx_pkt); ASSERT (nbytes <= vec_len (sif->last_rx_pkt)); if (nbytes < sizeof (lacp_pdu_t)) { return LACP_ERROR_TOO_SMALL; } last_packet_signature = hash_memory (sif->last_rx_pkt, vec_len (sif->last_rx_pkt), 0xd00b); bif = bond_get_master_by_dev_instance (sif->bif_dev_instance); if (sif->last_packet_signature_valid && (sif->last_packet_signature == last_packet_signature) && hash_get (bif->active_slave_by_sw_if_index, sif->sw_if_index)) { lacp_start_current_while_timer (lm->vlib_main, sif, sif->ttl_in_seconds); e = LACP_ERROR_CACHE_HIT; } else { /* Actually scan the packet */ e = lacp_packet_scan (vm, sif); sif->last_packet_signature_valid = 1; sif->last_packet_signature = last_packet_signature; } if (sif->last_rx_pkt) _vec_len (sif->last_rx_pkt) = 0; return e; } /* * setup neighbor hash table */ static clib_error_t * lacp_init (vlib_main_t * vm) { clib_error_t *error; if ((error = vlib_call_init_function (vm, lacp_periodic_init))) return error; return 0; } VLIB_INIT_FUNCTION (lacp_init); /* * packet trace format function, very similar to * lacp_packet_scan except that we call the per TLV format * functions instead of the per TLV processing functions */ u8 * lacp_input_format_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 *); lacp_input_trace_t *t = va_arg (*args, lacp_input_trace_t *); lacp_pdu_t *lacpdu = &t->pkt.lacpdu; marker_pdu_t *marker = &t->pkt.marker; int i, len; u8 *p; lacp_state_struct *state_entry; s = format (s, "%U:\n", format_vnet_sw_if_index_name, vnet_get_main (), t->sw_if_index); s = format (s, "Length: %d\n", t->len); if (t->len >= sizeof (lacp_pdu_t)) { switch (lacpdu->subtype) { case MARKER_SUBTYPE: if (marker->version_number == MARKER_PROTOCOL_VERSION) s = format (s, " Markerv1\n"); else s = format (s, " Subtype %u, Version %u\n", marker->subtype, marker->version_number); s = format (s, " Marker Information TLV: type %u\n", marker->marker_info.tlv_type); s = format (s, " Marker Information TLV: length %u\n", marker->marker_info.tlv_length); s = format (s, " Requester port: %u\n", marker->marker_info.requester_port); s = format (s, " Requester system: %U\n", format_ethernet_address, marker->marker_info.requester_system); s = format (s, " Requester transaction ID: %u\n", marker->marker_info.requester_transaction_id); break; case LACP_SUBTYPE: if (lacpdu->version_number == LACP_ACTOR_LACP_VERSION) s = format (s, " LACPv1\n"); else s = format (s, " Subtype %u, Version %u\n", lacpdu->subtype, lacpdu->version_number); s = format (s, " Actor Information TLV: length %u\n", lacpdu->actor.tlv_length); s = format (s, " System %U\n", format_ethernet_address, lacpdu->actor.port_info.system); s = format (s, " System priority %u\n", ntohs (lacpdu->actor.port_info.system_priority)); s = format (s, " Key %u\n", ntohs (lacpdu->actor.port_info.key)); s = format (s, " Port priority %u\n", ntohs (lacpdu->actor.port_info.port_priority)); s = format (s, " Port number %u\n", ntohs (lacpdu->actor.port_info.port_number)); s = format (s, " State 0x%x\n", lacpdu->actor.port_info.state); state_entry = (lacp_state_struct *) & lacp_state_array; while (state_entry->str) { if (lacpdu->actor.port_info.state & (1 << state_entry->bit)) s = format (s, " %s (%d)\n", state_entry->str, state_entry->bit); state_entry++; } s = format (s, " Partner Information TLV: length %u\n", lacpdu->partner.tlv_length); s = format (s, " System %U\n", format_ethernet_address, lacpdu->partner.port_info.system); s = format (s, " System priority %u\n", ntohs (lacpdu->partner.port_info.system_priority)); s = format (s, " Key %u\n", ntohs (lacpdu->partner.port_info.key)); s = format (s, " Port priority %u\n", ntohs (lacpdu->partner.port_info.port_priority)); s = format (s, " Port number %u\n", ntohs (lacpdu->partner.port_info.port_number)); s = format (s, " State 0x%x\n", lacpdu->partner.port_info.state); state_entry = (lacp_state_struct *) & lacp_state_array; while (state_entry->str) { if (lacpdu->partner.port_info.state & (1 << state_entry->bit)) s = format (s, " %s (%d)\n", state_entry->str, state_entry->bit); state_entry++; } break; default: break; } } if (t->len > sizeof (lacp_pdu_t)) len = sizeof (lacp_pdu_t); else len = t->len; p = (u8 *) lacpdu; for (i = 0; i < len; i++) { if ((i % 16) == 0) { if (i) s = format (s, "\n"); s = format (s, " 0x%04x: ", i); } if ((i % 2) == 0) s = format (s, " "); s = format (s, "%02x", p[i]); } return s; } /* * fd.io coding-style-patch-verification: ON * * Local Variables: * eval: (c-set-style "gnu") * End: */


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