diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/ncsi-pkt.h | 5 | ||||
| -rw-r--r-- | src/ncsi.c | 63 |
2 files changed, 67 insertions, 1 deletions
diff --git a/src/ncsi-pkt.h b/src/ncsi-pkt.h index 606684f..9dd167c 100644 --- a/src/ncsi-pkt.h +++ b/src/ncsi-pkt.h @@ -487,4 +487,9 @@ struct ncsi_aen_hncdsc_pkt { #define MLX_MAC_ADDR_OFFSET 8 #define INTEL_MAC_ADDR_OFFSET 1 +/* Status offset in OEM response */ +#define MLX_GMA_STATUS_OFFSET 0 +/* OEM Response payload length */ +#define MLX_GMA_PAYLOAD_LEN 24 + #endif /* NCSI_PKT_H */ @@ -55,12 +55,73 @@ static uint32_t ncsi_calculate_checksum(uint8_t *data, int len) return checksum; } +/* Response handler for Mellanox command Get Mac Address */ +static int ncsi_rsp_handler_oem_mlx_gma(Slirp *slirp, + const struct ncsi_pkt_hdr *nh, + struct ncsi_rsp_pkt_hdr *rnh) +{ + uint8_t oob_eth_addr_allocated = 0; + struct ncsi_rsp_oem_pkt *rsp; + int i; + + rsp = (struct ncsi_rsp_oem_pkt *)rnh; + + /* Set the payload length */ + rsp->rsp.common.length = htons(MLX_GMA_PAYLOAD_LEN); + + for (i = 0; i < ETH_ALEN; i++) { + if (slirp->oob_eth_addr[i] != 0x00) { + oob_eth_addr_allocated = 1; + break; + } + } + rsp->data[MLX_GMA_STATUS_OFFSET] = oob_eth_addr_allocated; + + /* Set the allocated management address */ + memcpy(&rsp->data[MLX_MAC_ADDR_OFFSET], slirp->oob_eth_addr, ETH_ALEN); + + return 0; +} + +/* Response handler for Mellanox card */ +static int ncsi_rsp_handler_oem_mlx(Slirp *slirp, const struct ncsi_pkt_hdr *nh, + struct ncsi_rsp_pkt_hdr *rnh) +{ + const struct ncsi_cmd_oem_pkt *cmd; + const struct ncsi_rsp_oem_mlx_pkt *cmd_mlx; + struct ncsi_rsp_oem_pkt *rsp; + struct ncsi_rsp_oem_mlx_pkt *rsp_mlx; + + /* Get the command header */ + cmd = (const struct ncsi_cmd_oem_pkt *)nh; + cmd_mlx = (const struct ncsi_rsp_oem_mlx_pkt *)cmd->data; + + /* Get the response header */ + rsp = (struct ncsi_rsp_oem_pkt *)rnh; + rsp_mlx = (struct ncsi_rsp_oem_mlx_pkt *)rsp->data; + + /* Ensure the OEM response header matches the command's */ + rsp_mlx->cmd_rev = cmd_mlx->cmd_rev; + rsp_mlx->cmd = cmd_mlx->cmd; + rsp_mlx->param = cmd_mlx->param; + rsp_mlx->optional = cmd_mlx->optional; + + if (cmd_mlx->cmd == NCSI_OEM_MLX_CMD_GMA && + cmd_mlx->param == NCSI_OEM_MLX_CMD_GMA_PARAM) + return ncsi_rsp_handler_oem_mlx_gma(slirp, nh, rnh); + + rsp->rsp.common.length = htons(8); + rsp->rsp.code = htons(NCSI_PKT_RSP_C_UNSUPPORTED); + rsp->rsp.reason = htons(NCSI_PKT_RSP_R_UNKNOWN); + return -ENOENT; +} + static const struct ncsi_rsp_oem_handler { unsigned int mfr_id; int (*handler)(Slirp *slirp, const struct ncsi_pkt_hdr *nh, struct ncsi_rsp_pkt_hdr *rnh); } ncsi_rsp_oem_handlers[] = { - { NCSI_OEM_MFR_MLX_ID, NULL }, + { NCSI_OEM_MFR_MLX_ID, ncsi_rsp_handler_oem_mlx }, { NCSI_OEM_MFR_BCM_ID, NULL }, { NCSI_OEM_MFR_INTEL_ID, NULL }, }; |