diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net_debugdump.c b/drivers/net/ethernet/netronome/nfp/nfp_net_debugdump.c index 449cf0a3a158..833036715ca0 100644 --- a/drivers/net/ethernet/netronome/nfp/nfp_net_debugdump.c +++ b/drivers/net/ethernet/netronome/nfp/nfp_net_debugdump.c @@ -45,6 +45,7 @@ enum nfp_dumpspec_type { NFP_DUMPSPEC_TYPE_RTSYM = 4, NFP_DUMPSPEC_TYPE_HWINFO = 5, + NFP_DUMPSPEC_TYPE_HWINFO_FIELD = 7, NFP_DUMPSPEC_TYPE_PROLOG = 10000, NFP_DUMPSPEC_TYPE_ERROR = 10001, }; @@ -197,6 +198,23 @@ static int nfp_dump_error_tlv_size(struct nfp_dump_tl *spec) be32_to_cpu(spec->length)); } +static int nfp_calc_hwinfo_field_sz(struct nfp_pf *pf, struct nfp_dump_tl *spec) +{ + u32 tl_len, key_len; + const char *value; + + tl_len = be32_to_cpu(spec->length); + key_len = strnlen(spec->data, tl_len); + if (key_len == tl_len) + return nfp_dump_error_tlv_size(spec); + + value = nfp_hwinfo_lookup(pf->hwinfo, spec->data); + if (!value) + return nfp_dump_error_tlv_size(spec); + + return sizeof(struct nfp_dump_tl) + ALIGN8(key_len + strlen(value) + 2); +} + static int nfp_calc_rtsym_dump_sz(struct nfp_pf *pf, struct nfp_dump_tl *spec) { @@ -233,6 +251,9 @@ nfp_add_tlv_size(struct nfp_pf *pf, struct nfp_dump_tl *tl, void *param) hwinfo_size = nfp_hwinfo_get_packed_str_size(pf->hwinfo); *size += sizeof(struct nfp_dump_tl) + ALIGN8(hwinfo_size); break; + case NFP_DUMPSPEC_TYPE_HWINFO_FIELD: + *size += nfp_calc_hwinfo_field_sz(pf, tl); + break; default: *size += nfp_dump_error_tlv_size(tl); break; @@ -334,6 +355,37 @@ nfp_dump_hwinfo(struct nfp_pf *pf, struct nfp_dump_tl *spec, return 0; } +static int nfp_dump_hwinfo_field(struct nfp_pf *pf, struct nfp_dump_tl *spec, + struct nfp_dump_state *dump) +{ + struct nfp_dump_tl *dump_header = dump->p; + u32 tl_len, key_len, val_len; + const char *key, *value; + u32 total_size; + int err; + + tl_len = be32_to_cpu(spec->length); + key_len = strnlen(spec->data, tl_len); + if (key_len == tl_len) + return nfp_dump_error_tlv(spec, -EINVAL, dump); + + key = spec->data; + value = nfp_hwinfo_lookup(pf->hwinfo, key); + if (!value) + return nfp_dump_error_tlv(spec, -ENOENT, dump); + + val_len = strlen(value); + total_size = sizeof(*dump_header) + ALIGN8(key_len + val_len + 2); + err = nfp_add_tlv(NFP_DUMPSPEC_TYPE_HWINFO_FIELD, total_size, dump); + if (err) + return err; + + memcpy(dump_header->data, key, key_len + 1); + memcpy(dump_header->data + key_len + 1, value, val_len + 1); + + return 0; +} + static int nfp_dump_single_rtsym(struct nfp_pf *pf, struct nfp_dumpspec_rtsym *spec, struct nfp_dump_state *dump) @@ -410,6 +462,11 @@ nfp_dump_for_tlv(struct nfp_pf *pf, struct nfp_dump_tl *tl, void *param) if (err) return err; break; + case NFP_DUMPSPEC_TYPE_HWINFO_FIELD: + err = nfp_dump_hwinfo_field(pf, tl, dump); + if (err) + return err; + break; default: err = nfp_dump_error_tlv(tl, -EOPNOTSUPP, dump); if (err)