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raspberrypi-kernel
提交 138635cc 编写于 作者: G Gavin Shan 提交者： David S. Miller
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net/ncsi: NCSI response packet handler 

The NCSI response packets are sent to MC (Management Controller)
from the remote end. They are responses of NCSI command packets
for multiple purposes: completion status of NCSI command packets,
return NCSI channel's capability or configuration etc.

This defines struct to represent NCSI response packets and introduces
function ncsi_rcv_rsp() which will be used to receive NCSI response
packets and parse them.
Signed-off-by: NGavin Shan <gwshan@linux.vnet.ibm.com>
Acked-by: NJoel Stanley <joel@jms.id.au>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
上级 6389eaa7
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net/ncsi/Makefile
浏览文件 @ 138635cc
# #
# Makefile for NCSI API # Makefile for NCSI API
# #
obj-$(CONFIG_NET_NCSI) += ncsi-cmd.o ncsi-manage.o obj-$(CONFIG_NET_NCSI) += ncsi-cmd.o ncsi-rsp.o ncsi-manage.o
net/ncsi/internal.h
浏览文件 @ 138635cc
...@@ -271,5 +271,7 @@ struct ncsi_dev *ncsi_find_dev(struct net_device *dev); ...@@ -271,5 +271,7 @@ struct ncsi_dev *ncsi_find_dev(struct net_device *dev);
/* Packet handlers */ /* Packet handlers */
u32 ncsi_calculate_checksum(unsigned char *data, int len); u32 ncsi_calculate_checksum(unsigned char *data, int len);
int ncsi_xmit_cmd(struct ncsi_cmd_arg *nca); int ncsi_xmit_cmd(struct ncsi_cmd_arg *nca);
int ncsi_rcv_rsp(struct sk_buff *skb, struct net_device *dev,
struct packet_type *pt, struct net_device *orig_dev);
#endif /* __NCSI_INTERNAL_H__ */ #endif /* __NCSI_INTERNAL_H__ */
net/ncsi/ncsi-pkt.h
浏览文件 @ 138635cc
...@@ -25,6 +25,12 @@ struct ncsi_cmd_pkt_hdr { ...@@ -25,6 +25,12 @@ struct ncsi_cmd_pkt_hdr {
struct ncsi_pkt_hdr common; /* Common NCSI packet header */ 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 */
};
/* NCSI common command packet */ /* NCSI common command packet */
struct ncsi_cmd_pkt { struct ncsi_cmd_pkt {
struct ncsi_cmd_pkt_hdr cmd; /* Command header */ struct ncsi_cmd_pkt_hdr cmd; /* Command header */
...@@ -32,6 +38,12 @@ struct ncsi_cmd_pkt { ...@@ -32,6 +38,12 @@ struct ncsi_cmd_pkt {
unsigned char pad[26]; 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 */ /* Select Package */
struct ncsi_cmd_sp_pkt { struct ncsi_cmd_sp_pkt {
struct ncsi_cmd_pkt_hdr cmd; /* Command header */ struct ncsi_cmd_pkt_hdr cmd; /* Command header */
...@@ -133,6 +145,157 @@ struct ncsi_cmd_snfc_pkt { ...@@ -133,6 +145,157 @@ struct ncsi_cmd_snfc_pkt {
unsigned char pad[22]; 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;
};
/* NCSI packet revision */ /* NCSI packet revision */
#define NCSI_PKT_REVISION 0x01 #define NCSI_PKT_REVISION 0x01
...@@ -168,4 +331,49 @@ struct ncsi_cmd_snfc_pkt { ...@@ -168,4 +331,49 @@ struct ncsi_cmd_snfc_pkt {
#define NCSI_PKT_CMD_PLDM 0x51 /* PLDM request over NCSI over RBT */ #define NCSI_PKT_CMD_PLDM 0x51 /* PLDM request over NCSI over RBT */
#define NCSI_PKT_CMD_GPUUID 0x52 /* Get package UUID */ #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 */
#endif /* __NCSI_PKT_H__ */ #endif /* __NCSI_PKT_H__ */
net/ncsi/ncsi-rsp.c 0 → 100644
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