aboutsummaryrefslogtreecommitdiff
path: root/slirp/src/ncsi.c
diff options
context:
space:
mode:
Diffstat (limited to 'slirp/src/ncsi.c')
m---------slirp0
-rw-r--r--slirp/src/ncsi.c194
2 files changed, 0 insertions, 194 deletions
diff --git a/slirp b/slirp
new file mode 160000
+Subproject 59a1b1f165458c2acb7ff0525b543945f741622
diff --git a/slirp/src/ncsi.c b/slirp/src/ncsi.c
deleted file mode 100644
index 6d574ec..0000000
--- a/slirp/src/ncsi.c
+++ /dev/null
@@ -1,194 +0,0 @@
-/* SPDX-License-Identifier: BSD-3-Clause */
-/*
- * NC-SI (Network Controller Sideband Interface) "echo" model
- *
- * Copyright (C) 2016-2018 IBM Corp.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above
- * copyright notice, this list of conditions and the following
- * disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following
- * disclaimer in the documentation and/or other materials provided
- * with the distribution.
- *
- * 3. Neither the name of the copyright holder nor the names of its
- * contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
- * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
- * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
- * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
- * OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-#include "slirp.h"
-
-#include "ncsi-pkt.h"
-
-static uint32_t ncsi_calculate_checksum(uint16_t *data, int len)
-{
- uint32_t checksum = 0;
- int i;
-
- /*
- * 32-bit unsigned sum of the NC-SI packet header and NC-SI packet
- * payload interpreted as a series of 16-bit unsigned integer values.
- */
- for (i = 0; i < len; i++) {
- checksum += htons(data[i]);
- }
-
- checksum = (~checksum + 1);
- return checksum;
-}
-
-/* Get Capabilities */
-static int ncsi_rsp_handler_gc(struct ncsi_rsp_pkt_hdr *rnh)
-{
- struct ncsi_rsp_gc_pkt *rsp = (struct ncsi_rsp_gc_pkt *) rnh;
-
- rsp->cap = htonl(~0);
- rsp->bc_cap = htonl(~0);
- rsp->mc_cap = htonl(~0);
- rsp->buf_cap = htonl(~0);
- rsp->aen_cap = htonl(~0);
- rsp->vlan_mode = 0xff;
- rsp->uc_cnt = 2;
- return 0;
-}
-
-/* Get Link status */
-static int ncsi_rsp_handler_gls(struct ncsi_rsp_pkt_hdr *rnh)
-{
- struct ncsi_rsp_gls_pkt *rsp = (struct ncsi_rsp_gls_pkt *) rnh;
-
- rsp->status = htonl(0x1);
- return 0;
-}
-
-/* Get Parameters */
-static int ncsi_rsp_handler_gp(struct ncsi_rsp_pkt_hdr *rnh)
-{
- struct ncsi_rsp_gp_pkt *rsp = (struct ncsi_rsp_gp_pkt *) rnh;
-
- /* no MAC address filters or VLAN filters on the channel */
- rsp->mac_cnt = 0;
- rsp->mac_enable = 0;
- rsp->vlan_cnt = 0;
- rsp->vlan_enable = 0;
-
- return 0;
-}
-
-static const struct ncsi_rsp_handler {
- unsigned char type;
- int payload;
- int (*handler)(struct ncsi_rsp_pkt_hdr *rnh);
-} ncsi_rsp_handlers[] = {
- { NCSI_PKT_RSP_CIS, 4, NULL },
- { NCSI_PKT_RSP_SP, 4, NULL },
- { NCSI_PKT_RSP_DP, 4, NULL },
- { NCSI_PKT_RSP_EC, 4, NULL },
- { NCSI_PKT_RSP_DC, 4, NULL },
- { NCSI_PKT_RSP_RC, 4, NULL },
- { NCSI_PKT_RSP_ECNT, 4, NULL },
- { NCSI_PKT_RSP_DCNT, 4, NULL },
- { NCSI_PKT_RSP_AE, 4, NULL },
- { NCSI_PKT_RSP_SL, 4, NULL },
- { NCSI_PKT_RSP_GLS, 16, ncsi_rsp_handler_gls },
- { NCSI_PKT_RSP_SVF, 4, NULL },
- { NCSI_PKT_RSP_EV, 4, NULL },
- { NCSI_PKT_RSP_DV, 4, NULL },
- { NCSI_PKT_RSP_SMA, 4, NULL },
- { NCSI_PKT_RSP_EBF, 4, NULL },
- { NCSI_PKT_RSP_DBF, 4, NULL },
- { NCSI_PKT_RSP_EGMF, 4, NULL },
- { NCSI_PKT_RSP_DGMF, 4, NULL },
- { NCSI_PKT_RSP_SNFC, 4, NULL },
- { NCSI_PKT_RSP_GVI, 40, NULL },
- { NCSI_PKT_RSP_GC, 32, ncsi_rsp_handler_gc },
- { NCSI_PKT_RSP_GP, 40, ncsi_rsp_handler_gp },
- { NCSI_PKT_RSP_GCPS, 172, NULL },
- { NCSI_PKT_RSP_GNS, 172, NULL },
- { NCSI_PKT_RSP_GNPTS, 172, NULL },
- { NCSI_PKT_RSP_GPS, 8, NULL },
- { NCSI_PKT_RSP_OEM, 0, NULL },
- { NCSI_PKT_RSP_PLDM, 0, NULL },
- { NCSI_PKT_RSP_GPUUID, 20, NULL }
-};
-
-/*
- * packet format : ncsi header + payload + checksum
- */
-#define NCSI_MAX_PAYLOAD 172
-#define NCSI_MAX_LEN (sizeof(struct ncsi_pkt_hdr) + NCSI_MAX_PAYLOAD + 4)
-
-void ncsi_input(Slirp *slirp, const uint8_t *pkt, int pkt_len)
-{
- struct ncsi_pkt_hdr *nh = (struct ncsi_pkt_hdr *)(pkt + ETH_HLEN);
- uint8_t ncsi_reply[ETH_HLEN + NCSI_MAX_LEN];
- struct ethhdr *reh = (struct ethhdr *)ncsi_reply;
- struct ncsi_rsp_pkt_hdr *rnh = (struct ncsi_rsp_pkt_hdr *)
- (ncsi_reply + ETH_HLEN);
- const struct ncsi_rsp_handler *handler = NULL;
- int i;
- int ncsi_rsp_len = sizeof(*nh);
- uint32_t checksum;
- uint32_t *pchecksum;
-
- memset(ncsi_reply, 0, sizeof(ncsi_reply));
-
- memset(reh->h_dest, 0xff, ETH_ALEN);
- memset(reh->h_source, 0xff, ETH_ALEN);
- reh->h_proto = htons(ETH_P_NCSI);
-
- for (i = 0; i < G_N_ELEMENTS(ncsi_rsp_handlers); i++) {
- if (ncsi_rsp_handlers[i].type == nh->type + 0x80) {
- handler = &ncsi_rsp_handlers[i];
- break;
- }
- }
-
- rnh->common.mc_id = nh->mc_id;
- rnh->common.revision = NCSI_PKT_REVISION;
- rnh->common.id = nh->id;
- rnh->common.type = nh->type + 0x80;
- rnh->common.channel = nh->channel;
-
- if (handler) {
- rnh->common.length = htons(handler->payload);
- rnh->code = htons(NCSI_PKT_RSP_C_COMPLETED);
- rnh->reason = htons(NCSI_PKT_RSP_R_NO_ERROR);
-
- if (handler->handler) {
- /* TODO: handle errors */
- handler->handler(rnh);
- }
- ncsi_rsp_len += handler->payload;
- } else {
- rnh->common.length = 0;
- rnh->code = htons(NCSI_PKT_RSP_C_UNAVAILABLE);
- rnh->reason = htons(NCSI_PKT_RSP_R_UNKNOWN);
- }
-
- /* Add the optional checksum at the end of the frame. */
- checksum = ncsi_calculate_checksum((uint16_t *) rnh, ncsi_rsp_len);
- pchecksum = (uint32_t *)((void *) rnh + ncsi_rsp_len);
- *pchecksum = htonl(checksum);
- ncsi_rsp_len += 4;
-
- slirp_send_packet_all(slirp, ncsi_reply, ETH_HLEN + ncsi_rsp_len);
-}
generated by cgit v1.1 at 2024-12-23 16:31:52 +0000