From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:41939) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cuIdX-00038I-Db for qemu-devel@nongnu.org; Sat, 01 Apr 2017 09:00:16 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1cuIdT-00055Y-7T for qemu-devel@nongnu.org; Sat, 01 Apr 2017 09:00:11 -0400 Received: from 17.mo5.mail-out.ovh.net ([46.105.56.132]:38874) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1cuIdS-00052o-Qm for qemu-devel@nongnu.org; Sat, 01 Apr 2017 09:00:07 -0400 Received: from player799.ha.ovh.net (b6.ovh.net [213.186.33.56]) by mo5.mail-out.ovh.net (Postfix) with ESMTP id B61A0E4523 for ; Sat, 1 Apr 2017 15:00:05 +0200 (CEST) From: =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= Date: Sat, 1 Apr 2017 14:57:57 +0200 Message-Id: <1491051477-10455-5-git-send-email-clg@kaod.org> In-Reply-To: <1491051477-10455-1-git-send-email-clg@kaod.org> References: <1491051477-10455-1-git-send-email-clg@kaod.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Subject: [Qemu-devel] [PATCH 4/4] slirp: add a fake NC-SI backend List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Peter Maydell Cc: Jason Wang , Dmitry Fleytman , Samuel Thibault , Jan Kiszka , qemu-devel@nongnu.org, qemu-arm@nongnu.org, =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= NC-SI (Network Controller Sideband Interface) enables a BMC to manage a set of NICs on a system. This model takes the simplest approach and reverses the NC-SI packets to pretend a NIC is present and exercise the Linux driver. The NCSI header file comes from mainline Linux and was untabified. Signed-off-by: C=C3=A9dric Le Goater --- include/net/eth.h | 1 + slirp/Makefile.objs | 2 +- slirp/ncsi-pkt.h | 418 ++++++++++++++++++++++++++++++++++++++++++++++= ++++++ slirp/ncsi.c | 78 ++++++++++ slirp/slirp.c | 4 + slirp/slirp.h | 3 + 6 files changed, 505 insertions(+), 1 deletion(-) create mode 100644 slirp/ncsi-pkt.h create mode 100644 slirp/ncsi.c diff --git a/include/net/eth.h b/include/net/eth.h index afeb45be34e1..09054a506d6e 100644 --- a/include/net/eth.h +++ b/include/net/eth.h @@ -209,6 +209,7 @@ struct tcp_hdr { #define ETH_P_IPV6 (0x86dd) #define ETH_P_VLAN (0x8100) #define ETH_P_DVLAN (0x88a8) +#define ETH_P_NCSI (0x88f8) #define ETH_P_UNKNOWN (0xffff) #define VLAN_VID_MASK 0x0fff #define IP_HEADER_VERSION_4 (4) diff --git a/slirp/Makefile.objs b/slirp/Makefile.objs index 1baa1f1c7cfb..28049b03cddc 100644 --- a/slirp/Makefile.objs +++ b/slirp/Makefile.objs @@ -2,4 +2,4 @@ common-obj-y =3D cksum.o if.o ip_icmp.o ip6_icmp.o ip6_in= put.o ip6_output.o \ ip_input.o ip_output.o dnssearch.o dhcpv6.o common-obj-y +=3D slirp.o mbuf.o misc.o sbuf.o socket.o tcp_input.o tcp_= output.o common-obj-y +=3D tcp_subr.o tcp_timer.o udp.o udp6.o bootp.o tftp.o arp= _table.o \ - ndp_table.o + ndp_table.o ncsi.o diff --git a/slirp/ncsi-pkt.h b/slirp/ncsi-pkt.h new file mode 100644 index 000000000000..cb786bba463e --- /dev/null +++ b/slirp/ncsi-pkt.h @@ -0,0 +1,418 @@ +/* + * Copyright Gavin Shan, IBM Corporation 2016. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +#ifndef NCSI_PKT_H +#define NCSI_PKT_H + +#define __be32 uint32_t +#define __be16 uint16_t + +struct ncsi_pkt_hdr { + unsigned char mc_id; /* Management controller ID */ + unsigned char revision; /* NCSI version - 0x01 */ + unsigned char reserved; /* Reserved */ + unsigned char id; /* Packet sequence number */ + unsigned char type; /* Packet type */ + unsigned char channel; /* Network controller ID */ + __be16 length; /* Payload length */ + __be32 reserved1[2]; /* Reserved */ +}; + +struct ncsi_cmd_pkt_hdr { + struct ncsi_pkt_hdr common; /* Common NCSI packet header */ +}; + +struct ncsi_rsp_pkt_hdr { + struct ncsi_pkt_hdr common; /* Common NCSI packet header */ + __be16 code; /* Response code */ + __be16 reason; /* Response reason */ +}; + +struct ncsi_aen_pkt_hdr { + struct ncsi_pkt_hdr common; /* Common NCSI packet header *= / + unsigned char reserved2[3]; /* Reserved *= / + unsigned char type; /* AEN packet type *= / +}; + +/* NCSI common command packet */ +struct ncsi_cmd_pkt { + struct ncsi_cmd_pkt_hdr cmd; /* Command header */ + __be32 checksum; /* Checksum */ + unsigned char pad[26]; +}; + +struct ncsi_rsp_pkt { + struct ncsi_rsp_pkt_hdr rsp; /* Response header */ + __be32 checksum; /* Checksum */ + unsigned char pad[22]; +}; + +/* Select Package */ +struct ncsi_cmd_sp_pkt { + struct ncsi_cmd_pkt_hdr cmd; /* Command header */ + unsigned char reserved[3]; /* Reserved */ + unsigned char hw_arbitration; /* HW arbitration */ + __be32 checksum; /* Checksum */ + unsigned char pad[22]; +}; + +/* Disable Channel */ +struct ncsi_cmd_dc_pkt { + struct ncsi_cmd_pkt_hdr cmd; /* Command header */ + unsigned char reserved[3]; /* Reserved */ + unsigned char ald; /* Allow link down */ + __be32 checksum; /* Checksum */ + unsigned char pad[22]; +}; + +/* Reset Channel */ +struct ncsi_cmd_rc_pkt { + struct ncsi_cmd_pkt_hdr cmd; /* Command header */ + __be32 reserved; /* Reserved */ + __be32 checksum; /* Checksum */ + unsigned char pad[22]; +}; + +/* AEN Enable */ +struct ncsi_cmd_ae_pkt { + struct ncsi_cmd_pkt_hdr cmd; /* Command header */ + unsigned char reserved[3]; /* Reserved */ + unsigned char mc_id; /* MC ID */ + __be32 mode; /* AEN working mode */ + __be32 checksum; /* Checksum */ + unsigned char pad[18]; +}; + +/* Set Link */ +struct ncsi_cmd_sl_pkt { + struct ncsi_cmd_pkt_hdr cmd; /* Command header */ + __be32 mode; /* Link working mode */ + __be32 oem_mode; /* OEM link mode */ + __be32 checksum; /* Checksum */ + unsigned char pad[18]; +}; + +/* Set VLAN Filter */ +struct ncsi_cmd_svf_pkt { + struct ncsi_cmd_pkt_hdr cmd; /* Command header */ + __be16 reserved; /* Reserved */ + __be16 vlan; /* VLAN ID */ + __be16 reserved1; /* Reserved */ + unsigned char index; /* VLAN table index */ + unsigned char enable; /* Enable or disable */ + __be32 checksum; /* Checksum */ + unsigned char pad[14]; +}; + +/* Enable VLAN */ +struct ncsi_cmd_ev_pkt { + struct ncsi_cmd_pkt_hdr cmd; /* Command header */ + unsigned char reserved[3]; /* Reserved */ + unsigned char mode; /* VLAN filter mode */ + __be32 checksum; /* Checksum */ + unsigned char pad[22]; +}; + +/* Set MAC Address */ +struct ncsi_cmd_sma_pkt { + struct ncsi_cmd_pkt_hdr cmd; /* Command header */ + unsigned char mac[6]; /* MAC address */ + unsigned char index; /* MAC table index */ + unsigned char at_e; /* Addr type and operation */ + __be32 checksum; /* Checksum */ + unsigned char pad[18]; +}; + +/* Enable Broadcast Filter */ +struct ncsi_cmd_ebf_pkt { + struct ncsi_cmd_pkt_hdr cmd; /* Command header */ + __be32 mode; /* Filter mode */ + __be32 checksum; /* Checksum */ + unsigned char pad[22]; +}; + +/* Enable Global Multicast Filter */ +struct ncsi_cmd_egmf_pkt { + struct ncsi_cmd_pkt_hdr cmd; /* Command header */ + __be32 mode; /* Global MC mode */ + __be32 checksum; /* Checksum */ + unsigned char pad[22]; +}; + +/* Set NCSI Flow Control */ +struct ncsi_cmd_snfc_pkt { + struct ncsi_cmd_pkt_hdr cmd; /* Command header */ + unsigned char reserved[3]; /* Reserved */ + unsigned char mode; /* Flow control mode */ + __be32 checksum; /* Checksum */ + unsigned char pad[22]; +}; + +/* Get Link Status */ +struct ncsi_rsp_gls_pkt { + struct ncsi_rsp_pkt_hdr rsp; /* Response header */ + __be32 status; /* Link status */ + __be32 other; /* Other indications */ + __be32 oem_status; /* OEM link status */ + __be32 checksum; + unsigned char pad[10]; +}; + +/* Get Version ID */ +struct ncsi_rsp_gvi_pkt { + struct ncsi_rsp_pkt_hdr rsp; /* Response header */ + __be32 ncsi_version; /* NCSI version */ + unsigned char reserved[3]; /* Reserved */ + unsigned char alpha2; /* NCSI version */ + unsigned char fw_name[12]; /* f/w name string */ + __be32 fw_version; /* f/w version */ + __be16 pci_ids[4]; /* PCI IDs */ + __be32 mf_id; /* Manufacture ID */ + __be32 checksum; +}; + +/* Get Capabilities */ +struct ncsi_rsp_gc_pkt { + struct ncsi_rsp_pkt_hdr rsp; /* Response header */ + __be32 cap; /* Capabilities */ + __be32 bc_cap; /* Broadcast cap */ + __be32 mc_cap; /* Multicast cap */ + __be32 buf_cap; /* Buffering cap */ + __be32 aen_cap; /* AEN cap */ + unsigned char vlan_cnt; /* VLAN filter count */ + unsigned char mixed_cnt; /* Mix filter count */ + unsigned char mc_cnt; /* MC filter count */ + unsigned char uc_cnt; /* UC filter count */ + unsigned char reserved[2]; /* Reserved */ + unsigned char vlan_mode; /* VLAN mode */ + unsigned char channel_cnt; /* Channel count */ + __be32 checksum; /* Checksum */ +}; + +/* Get Parameters */ +struct ncsi_rsp_gp_pkt { + struct ncsi_rsp_pkt_hdr rsp; /* Response header *= / + unsigned char mac_cnt; /* Number of MAC addr *= / + unsigned char reserved[2]; /* Reserved *= / + unsigned char mac_enable; /* MAC addr enable flags *= / + unsigned char vlan_cnt; /* VLAN tag count *= / + unsigned char reserved1; /* Reserved *= / + __be16 vlan_enable; /* VLAN tag enable flags *= / + __be32 link_mode; /* Link setting *= / + __be32 bc_mode; /* BC filter mode *= / + __be32 valid_modes; /* Valid mode parameters *= / + unsigned char vlan_mode; /* VLAN mode *= / + unsigned char fc_mode; /* Flow control mode *= / + unsigned char reserved2[2]; /* Reserved *= / + __be32 aen_mode; /* AEN mode *= / + unsigned char mac[6]; /* Supported MAC addr *= / + __be16 vlan; /* Supported VLAN tags *= / + __be32 checksum; /* Checksum *= / +}; + +/* Get Controller Packet Statistics */ +struct ncsi_rsp_gcps_pkt { + struct ncsi_rsp_pkt_hdr rsp; /* Response header = */ + __be32 cnt_hi; /* Counter cleared = */ + __be32 cnt_lo; /* Counter cleared = */ + __be32 rx_bytes; /* Rx bytes = */ + __be32 tx_bytes; /* Tx bytes = */ + __be32 rx_uc_pkts; /* Rx UC packets = */ + __be32 rx_mc_pkts; /* Rx MC packets = */ + __be32 rx_bc_pkts; /* Rx BC packets = */ + __be32 tx_uc_pkts; /* Tx UC packets = */ + __be32 tx_mc_pkts; /* Tx MC packets = */ + __be32 tx_bc_pkts; /* Tx BC packets = */ + __be32 fcs_err; /* FCS errors = */ + __be32 align_err; /* Alignment errors = */ + __be32 false_carrier; /* False carrier detecti= on */ + __be32 runt_pkts; /* Rx runt packets = */ + __be32 jabber_pkts; /* Rx jabber packets = */ + __be32 rx_pause_xon; /* Rx pause XON frames = */ + __be32 rx_pause_xoff; /* Rx XOFF frames = */ + __be32 tx_pause_xon; /* Tx XON frames = */ + __be32 tx_pause_xoff; /* Tx XOFF frames = */ + __be32 tx_s_collision; /* Single collision fram= es */ + __be32 tx_m_collision; /* Multiple collision fr= ames */ + __be32 l_collision; /* Late collision frames= */ + __be32 e_collision; /* Excessive collision f= rames */ + __be32 rx_ctl_frames; /* Rx control frames = */ + __be32 rx_64_frames; /* Rx 64-bytes frames = */ + __be32 rx_127_frames; /* Rx 65-127 bytes frame= s */ + __be32 rx_255_frames; /* Rx 128-255 bytes fram= es */ + __be32 rx_511_frames; /* Rx 256-511 bytes fram= es */ + __be32 rx_1023_frames; /* Rx 512-1023 bytes fra= mes */ + __be32 rx_1522_frames; /* Rx 1024-1522 bytes fr= ames */ + __be32 rx_9022_frames; /* Rx 1523-9022 bytes fr= ames */ + __be32 tx_64_frames; /* Tx 64-bytes frames = */ + __be32 tx_127_frames; /* Tx 65-127 bytes frame= s */ + __be32 tx_255_frames; /* Tx 128-255 bytes fram= es */ + __be32 tx_511_frames; /* Tx 256-511 bytes fram= es */ + __be32 tx_1023_frames; /* Tx 512-1023 bytes fra= mes */ + __be32 tx_1522_frames; /* Tx 1024-1522 bytes fr= ames */ + __be32 tx_9022_frames; /* Tx 1523-9022 bytes fr= ames */ + __be32 rx_valid_bytes; /* Rx valid bytes = */ + __be32 rx_runt_pkts; /* Rx error runt packets= */ + __be32 rx_jabber_pkts; /* Rx error jabber packe= ts */ + __be32 checksum; /* Checksum = */ +}; + +/* Get NCSI Statistics */ +struct ncsi_rsp_gns_pkt { + struct ncsi_rsp_pkt_hdr rsp; /* Response header = */ + __be32 rx_cmds; /* Rx NCSI commands = */ + __be32 dropped_cmds; /* Dropped commands = */ + __be32 cmd_type_errs; /* Command type errors = */ + __be32 cmd_csum_errs; /* Command checksum error= s */ + __be32 rx_pkts; /* Rx NCSI packets = */ + __be32 tx_pkts; /* Tx NCSI packets = */ + __be32 tx_aen_pkts; /* Tx AEN packets = */ + __be32 checksum; /* Checksum = */ +}; + +/* Get NCSI Pass-through Statistics */ +struct ncsi_rsp_gnpts_pkt { + struct ncsi_rsp_pkt_hdr rsp; /* Response header *= / + __be32 tx_pkts; /* Tx packets *= / + __be32 tx_dropped; /* Tx dropped packets *= / + __be32 tx_channel_err; /* Tx channel errors *= / + __be32 tx_us_err; /* Tx undersize errors *= / + __be32 rx_pkts; /* Rx packets *= / + __be32 rx_dropped; /* Rx dropped packets *= / + __be32 rx_channel_err; /* Rx channel errors *= / + __be32 rx_us_err; /* Rx undersize errors *= / + __be32 rx_os_err; /* Rx oversize errors *= / + __be32 checksum; /* Checksum *= / +}; + +/* Get package status */ +struct ncsi_rsp_gps_pkt { + struct ncsi_rsp_pkt_hdr rsp; /* Response header = */ + __be32 status; /* Hardware arbitration status= */ + __be32 checksum; +}; + +/* Get package UUID */ +struct ncsi_rsp_gpuuid_pkt { + struct ncsi_rsp_pkt_hdr rsp; /* Response header */ + unsigned char uuid[16]; /* UUID */ + __be32 checksum; +}; + +/* AEN: Link State Change */ +struct ncsi_aen_lsc_pkt { + struct ncsi_aen_pkt_hdr aen; /* AEN header */ + __be32 status; /* Link status */ + __be32 oem_status; /* OEM link status */ + __be32 checksum; /* Checksum */ + unsigned char pad[14]; +}; + +/* AEN: Configuration Required */ +struct ncsi_aen_cr_pkt { + struct ncsi_aen_pkt_hdr aen; /* AEN header */ + __be32 checksum; /* Checksum */ + unsigned char pad[22]; +}; + +/* AEN: Host Network Controller Driver Status Change */ +struct ncsi_aen_hncdsc_pkt { + struct ncsi_aen_pkt_hdr aen; /* AEN header */ + __be32 status; /* Status */ + __be32 checksum; /* Checksum */ + unsigned char pad[18]; +}; + +/* NCSI packet revision */ +#define NCSI_PKT_REVISION 0x01 + +/* NCSI packet commands */ +#define NCSI_PKT_CMD_CIS 0x00 /* Clear Initial State = */ +#define NCSI_PKT_CMD_SP 0x01 /* Select Package = */ +#define NCSI_PKT_CMD_DP 0x02 /* Deselect Package = */ +#define NCSI_PKT_CMD_EC 0x03 /* Enable Channel = */ +#define NCSI_PKT_CMD_DC 0x04 /* Disable Channel = */ +#define NCSI_PKT_CMD_RC 0x05 /* Reset Channel = */ +#define NCSI_PKT_CMD_ECNT 0x06 /* Enable Channel Network Tx = */ +#define NCSI_PKT_CMD_DCNT 0x07 /* Disable Channel Network Tx = */ +#define NCSI_PKT_CMD_AE 0x08 /* AEN Enable = */ +#define NCSI_PKT_CMD_SL 0x09 /* Set Link = */ +#define NCSI_PKT_CMD_GLS 0x0a /* Get Link = */ +#define NCSI_PKT_CMD_SVF 0x0b /* Set VLAN Filter = */ +#define NCSI_PKT_CMD_EV 0x0c /* Enable VLAN = */ +#define NCSI_PKT_CMD_DV 0x0d /* Disable VLAN = */ +#define NCSI_PKT_CMD_SMA 0x0e /* Set MAC address = */ +#define NCSI_PKT_CMD_EBF 0x10 /* Enable Broadcast Filter = */ +#define NCSI_PKT_CMD_DBF 0x11 /* Disable Broadcast Filter = */ +#define NCSI_PKT_CMD_EGMF 0x12 /* Enable Global Multicast Filter = */ +#define NCSI_PKT_CMD_DGMF 0x13 /* Disable Global Multicast Filter = */ +#define NCSI_PKT_CMD_SNFC 0x14 /* Set NCSI Flow Control = */ +#define NCSI_PKT_CMD_GVI 0x15 /* Get Version ID = */ +#define NCSI_PKT_CMD_GC 0x16 /* Get Capabilities = */ +#define NCSI_PKT_CMD_GP 0x17 /* Get Parameters = */ +#define NCSI_PKT_CMD_GCPS 0x18 /* Get Controller Packet Statistics= */ +#define NCSI_PKT_CMD_GNS 0x19 /* Get NCSI Statistics = */ +#define NCSI_PKT_CMD_GNPTS 0x1a /* Get NCSI Pass-throu Statistics = */ +#define NCSI_PKT_CMD_GPS 0x1b /* Get package status = */ +#define NCSI_PKT_CMD_OEM 0x50 /* OEM = */ +#define NCSI_PKT_CMD_PLDM 0x51 /* PLDM request over NCSI over RBT = */ +#define NCSI_PKT_CMD_GPUUID 0x52 /* Get package UUID = */ + +/* NCSI packet responses */ +#define NCSI_PKT_RSP_CIS (NCSI_PKT_CMD_CIS + 0x80) +#define NCSI_PKT_RSP_SP (NCSI_PKT_CMD_SP + 0x80) +#define NCSI_PKT_RSP_DP (NCSI_PKT_CMD_DP + 0x80) +#define NCSI_PKT_RSP_EC (NCSI_PKT_CMD_EC + 0x80) +#define NCSI_PKT_RSP_DC (NCSI_PKT_CMD_DC + 0x80) +#define NCSI_PKT_RSP_RC (NCSI_PKT_CMD_RC + 0x80) +#define NCSI_PKT_RSP_ECNT (NCSI_PKT_CMD_ECNT + 0x80) +#define NCSI_PKT_RSP_DCNT (NCSI_PKT_CMD_DCNT + 0x80) +#define NCSI_PKT_RSP_AE (NCSI_PKT_CMD_AE + 0x80) +#define NCSI_PKT_RSP_SL (NCSI_PKT_CMD_SL + 0x80) +#define NCSI_PKT_RSP_GLS (NCSI_PKT_CMD_GLS + 0x80) +#define NCSI_PKT_RSP_SVF (NCSI_PKT_CMD_SVF + 0x80) +#define NCSI_PKT_RSP_EV (NCSI_PKT_CMD_EV + 0x80) +#define NCSI_PKT_RSP_DV (NCSI_PKT_CMD_DV + 0x80) +#define NCSI_PKT_RSP_SMA (NCSI_PKT_CMD_SMA + 0x80) +#define NCSI_PKT_RSP_EBF (NCSI_PKT_CMD_EBF + 0x80) +#define NCSI_PKT_RSP_DBF (NCSI_PKT_CMD_DBF + 0x80) +#define NCSI_PKT_RSP_EGMF (NCSI_PKT_CMD_EGMF + 0x80) +#define NCSI_PKT_RSP_DGMF (NCSI_PKT_CMD_DGMF + 0x80) +#define NCSI_PKT_RSP_SNFC (NCSI_PKT_CMD_SNFC + 0x80) +#define NCSI_PKT_RSP_GVI (NCSI_PKT_CMD_GVI + 0x80) +#define NCSI_PKT_RSP_GC (NCSI_PKT_CMD_GC + 0x80) +#define NCSI_PKT_RSP_GP (NCSI_PKT_CMD_GP + 0x80) +#define NCSI_PKT_RSP_GCPS (NCSI_PKT_CMD_GCPS + 0x80) +#define NCSI_PKT_RSP_GNS (NCSI_PKT_CMD_GNS + 0x80) +#define NCSI_PKT_RSP_GNPTS (NCSI_PKT_CMD_GNPTS + 0x80) +#define NCSI_PKT_RSP_GPS (NCSI_PKT_CMD_GPS + 0x80) +#define NCSI_PKT_RSP_OEM (NCSI_PKT_CMD_OEM + 0x80) +#define NCSI_PKT_RSP_PLDM (NCSI_PKT_CMD_PLDM + 0x80) +#define NCSI_PKT_RSP_GPUUID (NCSI_PKT_CMD_GPUUID + 0x80) + +/* NCSI response code/reason */ +#define NCSI_PKT_RSP_C_COMPLETED 0x0000 /* Command Completed = */ +#define NCSI_PKT_RSP_C_FAILED 0x0001 /* Command Failed = */ +#define NCSI_PKT_RSP_C_UNAVAILABLE 0x0002 /* Command Unavailable = */ +#define NCSI_PKT_RSP_C_UNSUPPORTED 0x0003 /* Command Unsupported = */ +#define NCSI_PKT_RSP_R_NO_ERROR 0x0000 /* No Error = */ +#define NCSI_PKT_RSP_R_INTERFACE 0x0001 /* Interface not ready = */ +#define NCSI_PKT_RSP_R_PARAM 0x0002 /* Invalid Parameter = */ +#define NCSI_PKT_RSP_R_CHANNEL 0x0003 /* Channel not Ready = */ +#define NCSI_PKT_RSP_R_PACKAGE 0x0004 /* Package not Ready = */ +#define NCSI_PKT_RSP_R_LENGTH 0x0005 /* Invalid payload length= */ +#define NCSI_PKT_RSP_R_UNKNOWN 0x7fff /* Command type unsupport= ed */ + +/* NCSI AEN packet type */ +#define NCSI_PKT_AEN 0xFF /* AEN Packet */ +#define NCSI_PKT_AEN_LSC 0x00 /* Link status change */ +#define NCSI_PKT_AEN_CR 0x01 /* Configuration required */ +#define NCSI_PKT_AEN_HNCDSC 0x02 /* HNC driver status change */ + +#endif /* NCSI_PKT_H */ diff --git a/slirp/ncsi.c b/slirp/ncsi.c new file mode 100644 index 000000000000..77302ec5e5a5 --- /dev/null +++ b/slirp/ncsi.c @@ -0,0 +1,78 @@ +/* + * NC-SI (Network Controller Sideband Interface) "echo" model + * + * Copyright (C) 2016 IBM Corp. + * + * This code is licensed under the GPL version 2 or later. See the + * COPYING file in the top-level directory. + */ +#include "qemu/osdep.h" +#include "slirp.h" + +#include "ncsi-pkt.h" + +/* + * ncsi header + checksum + max payload (NCSI_PKT_CMD_GVI) + */ +#define NCSI_LEN (sizeof(struct ncsi_pkt_hdr) + 4 + 36) + +void ncsi_input(Slirp *slirp, const uint8_t *pkt, int pkt_len) +{ + struct ncsi_pkt_hdr *nh =3D (struct ncsi_pkt_hdr *)(pkt + ETH_HLEN); + uint8_t ncsi_reply[ETH_HLEN + NCSI_LEN]; + struct ethhdr *reh =3D (struct ethhdr *)ncsi_reply; + struct ncsi_rsp_pkt_hdr *rnh =3D (struct ncsi_rsp_pkt_hdr *) + (ncsi_reply + ETH_HLEN); + + memset(ncsi_reply, 0, sizeof(ncsi_reply)); + + memset(reh->h_dest, 0xff, ETH_ALEN); + memset(reh->h_source, 0xff, ETH_ALEN); + reh->h_proto =3D htons(ETH_P_NCSI); + + rnh->common.mc_id =3D nh->mc_id; + rnh->common.revision =3D NCSI_PKT_REVISION; + rnh->common.reserved =3D 0; + rnh->common.id =3D nh->id; + rnh->common.type =3D nh->type + 0x80; + rnh->common.channel =3D nh->channel; + rnh->common.length =3D htons(4); + rnh->common.reserved1[0] =3D 0; + rnh->common.reserved1[1] =3D 0; + rnh->code =3D htons(NCSI_PKT_RSP_C_COMPLETED); + rnh->reason =3D htons(NCSI_PKT_RSP_R_NO_ERROR); + + switch (nh->type) { + case NCSI_PKT_CMD_SMA: + rnh->common.length =3D htons(4); + break; + case NCSI_PKT_CMD_GVI: + rnh->common.length =3D htons(36); + break; + case NCSI_PKT_CMD_GC: { + struct ncsi_rsp_gc_pkt *rsp =3D (struct ncsi_rsp_gc_pkt *) rnh; + + rnh->common.length =3D htons(32); + rsp->cap =3D htonl(~0); + rsp->bc_cap =3D htonl(~0); + rsp->mc_cap =3D htonl(~0); + rsp->buf_cap =3D htonl(~0); + rsp->aen_cap =3D htonl(~0); + rsp->vlan_mode =3D 0xff; + rsp->uc_cnt =3D 2; + break; + } + + case NCSI_PKT_CMD_GLS: { + struct ncsi_rsp_gls_pkt *rsp =3D (struct ncsi_rsp_gls_pkt *) rnh= ; + + rnh->common.length =3D htons(16); + rsp->status =3D htonl(0x1); + break; + } + default: + break; + } + + slirp_output(slirp->opaque, ncsi_reply, sizeof(ncsi_reply)); +} diff --git a/slirp/slirp.c b/slirp/slirp.c index 5a94b06f5eb4..9a50918346b1 100644 --- a/slirp/slirp.c +++ b/slirp/slirp.c @@ -870,6 +870,10 @@ void slirp_input(Slirp *slirp, const uint8_t *pkt, i= nt pkt_len) } break; =20 + case ETH_P_NCSI: + ncsi_input(slirp, pkt, pkt_len); + break; + default: break; } diff --git a/slirp/slirp.h b/slirp/slirp.h index 3877f667f027..5af4f482b55f 100644 --- a/slirp/slirp.h +++ b/slirp/slirp.h @@ -231,6 +231,9 @@ extern Slirp *slirp_instance; =20 void if_start(Slirp *); =20 +/* ncsi.c */ +void ncsi_input(Slirp *slirp, const uint8_t *pkt, int pkt_len); + #ifndef _WIN32 #include #endif --=20 2.7.4