slirp: add a fake NC-SI backend (47bb83ca) · Commits · SUMMER2020 / students / proj-2021291

include/net/eth.h

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Original line number	Diff line number	Diff line
		@@ -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)

slirp/Makefile.objs

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Original line number	Diff line number	Diff line
		@@ -2,4 +2,4 @@ common-obj-y = cksum.o if.o ip_icmp.o ip6_icmp.o ip6_input.o ip6_output.o \
		ip_input.o ip_output.o dnssearch.o dhcpv6.o
		common-obj-y += slirp.o mbuf.o misc.o sbuf.o socket.o tcp_input.o tcp_output.o
		common-obj-y += 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

slirp/ncsi-pkt.h

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Original line number	Diff line number	Diff line
		/*
		* 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

		/* from linux/net/ncsi/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 detection */
		__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 frames */
		__be32 tx_m_collision; /* Multiple collision frames */
		__be32 l_collision; /* Late collision frames */
		__be32 e_collision; /* Excessive collision frames */
		__be32 rx_ctl_frames; /* Rx control frames */
		__be32 rx_64_frames; /* Rx 64-bytes frames */
		__be32 rx_127_frames; /* Rx 65-127 bytes frames */
		__be32 rx_255_frames; /* Rx 128-255 bytes frames */
		__be32 rx_511_frames; /* Rx 256-511 bytes frames */
		__be32 rx_1023_frames; /* Rx 512-1023 bytes frames */
		__be32 rx_1522_frames; /* Rx 1024-1522 bytes frames */
		__be32 rx_9022_frames; /* Rx 1523-9022 bytes frames */
		__be32 tx_64_frames; /* Tx 64-bytes frames */
		__be32 tx_127_frames; /* Tx 65-127 bytes frames */
		__be32 tx_255_frames; /* Tx 128-255 bytes frames */
		__be32 tx_511_frames; /* Tx 256-511 bytes frames */
		__be32 tx_1023_frames; /* Tx 512-1023 bytes frames */
		__be32 tx_1522_frames; /* Tx 1024-1522 bytes frames */
		__be32 tx_9022_frames; /* Tx 1523-9022 bytes frames */
		__be32 rx_valid_bytes; /* Rx valid bytes */
		__be32 rx_runt_pkts; /* Rx error runt packets */
		__be32 rx_jabber_pkts; /* Rx error jabber packets */
		__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 errors */
		__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 unsupported */

		/* 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 */

slirp/ncsi.c

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File added.

Preview size limit exceeded, changes collapsed.

slirp/slirp.c

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		@@ -870,6 +870,10 @@ void slirp_input(Slirp slirp, const uint8_t pkt, int pkt_len)
		}
		break;

		case ETH_P_NCSI:
		ncsi_input(slirp, pkt, pkt_len);
		break;

		default:
		break;
		}