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-rw-r--r--net/ceph/ceph_common.c63
1 files changed, 63 insertions, 0 deletions
diff --git a/net/ceph/ceph_common.c b/net/ceph/ceph_common.c
index 4e7edd707a14..271287c5ec12 100644
--- a/net/ceph/ceph_common.c
+++ b/net/ceph/ceph_common.c
@@ -265,6 +265,7 @@ enum {
Opt_ip,
Opt_crush_location,
Opt_read_from_replica,
+ Opt_ms_mode,
/* string args above */
Opt_share,
Opt_crc,
@@ -287,6 +288,23 @@ static const struct constant_table ceph_param_read_from_replica[] = {
{}
};
+enum ceph_ms_mode {
+ Opt_ms_mode_legacy,
+ Opt_ms_mode_crc,
+ Opt_ms_mode_secure,
+ Opt_ms_mode_prefer_crc,
+ Opt_ms_mode_prefer_secure
+};
+
+static const struct constant_table ceph_param_ms_mode[] = {
+ {"legacy", Opt_ms_mode_legacy},
+ {"crc", Opt_ms_mode_crc},
+ {"secure", Opt_ms_mode_secure},
+ {"prefer-crc", Opt_ms_mode_prefer_crc},
+ {"prefer-secure", Opt_ms_mode_prefer_secure},
+ {}
+};
+
static const struct fs_parameter_spec ceph_parameters[] = {
fsparam_flag ("abort_on_full", Opt_abort_on_full),
fsparam_flag_no ("cephx_require_signatures", Opt_cephx_require_signatures),
@@ -305,6 +323,8 @@ static const struct fs_parameter_spec ceph_parameters[] = {
fs_param_deprecated, NULL),
fsparam_enum ("read_from_replica", Opt_read_from_replica,
ceph_param_read_from_replica),
+ fsparam_enum ("ms_mode", Opt_ms_mode,
+ ceph_param_ms_mode),
fsparam_string ("secret", Opt_secret),
fsparam_flag_no ("share", Opt_share),
fsparam_flag_no ("tcp_nodelay", Opt_tcp_nodelay),
@@ -333,6 +353,8 @@ struct ceph_options *ceph_alloc_options(void)
opt->osd_idle_ttl = CEPH_OSD_IDLE_TTL_DEFAULT;
opt->osd_request_timeout = CEPH_OSD_REQUEST_TIMEOUT_DEFAULT;
opt->read_from_replica = CEPH_READ_FROM_REPLICA_DEFAULT;
+ opt->con_modes[0] = CEPH_CON_MODE_UNKNOWN;
+ opt->con_modes[1] = CEPH_CON_MODE_UNKNOWN;
return opt;
}
EXPORT_SYMBOL(ceph_alloc_options);
@@ -503,6 +525,32 @@ int ceph_parse_param(struct fs_parameter *param, struct ceph_options *opt,
BUG();
}
break;
+ case Opt_ms_mode:
+ switch (result.uint_32) {
+ case Opt_ms_mode_legacy:
+ opt->con_modes[0] = CEPH_CON_MODE_UNKNOWN;
+ opt->con_modes[1] = CEPH_CON_MODE_UNKNOWN;
+ break;
+ case Opt_ms_mode_crc:
+ opt->con_modes[0] = CEPH_CON_MODE_CRC;
+ opt->con_modes[1] = CEPH_CON_MODE_UNKNOWN;
+ break;
+ case Opt_ms_mode_secure:
+ opt->con_modes[0] = CEPH_CON_MODE_SECURE;
+ opt->con_modes[1] = CEPH_CON_MODE_UNKNOWN;
+ break;
+ case Opt_ms_mode_prefer_crc:
+ opt->con_modes[0] = CEPH_CON_MODE_CRC;
+ opt->con_modes[1] = CEPH_CON_MODE_SECURE;
+ break;
+ case Opt_ms_mode_prefer_secure:
+ opt->con_modes[0] = CEPH_CON_MODE_SECURE;
+ opt->con_modes[1] = CEPH_CON_MODE_CRC;
+ break;
+ default:
+ BUG();
+ }
+ break;
case Opt_osdtimeout:
warn_plog(&log, "Ignoring osdtimeout");
@@ -616,6 +664,21 @@ int ceph_print_client_options(struct seq_file *m, struct ceph_client *client,
} else if (opt->read_from_replica == CEPH_OSD_FLAG_LOCALIZE_READS) {
seq_puts(m, "read_from_replica=localize,");
}
+ if (opt->con_modes[0] != CEPH_CON_MODE_UNKNOWN) {
+ if (opt->con_modes[0] == CEPH_CON_MODE_CRC &&
+ opt->con_modes[1] == CEPH_CON_MODE_UNKNOWN) {
+ seq_puts(m, "ms_mode=crc,");
+ } else if (opt->con_modes[0] == CEPH_CON_MODE_SECURE &&
+ opt->con_modes[1] == CEPH_CON_MODE_UNKNOWN) {
+ seq_puts(m, "ms_mode=secure,");
+ } else if (opt->con_modes[0] == CEPH_CON_MODE_CRC &&
+ opt->con_modes[1] == CEPH_CON_MODE_SECURE) {
+ seq_puts(m, "ms_mode=prefer-crc,");
+ } else if (opt->con_modes[0] == CEPH_CON_MODE_SECURE &&
+ opt->con_modes[1] == CEPH_CON_MODE_CRC) {
+ seq_puts(m, "ms_mode=prefer-secure,");
+ }
+ }
if (opt->flags & CEPH_OPT_FSID)
seq_printf(m, "fsid=%pU,", &opt->fsid);