@@ -228,8 +228,9 @@ int cgx_set_pkind(void *cgxd, u8 lmac_id, int pkind)
return 0;
}
-static inline u8 cgx_get_lmac_type(struct cgx *cgx, int lmac_id)
+static u8 cgx_get_lmac_type(void *cgxd, int lmac_id)
{
+ struct cgx *cgx = cgxd;
u64 cfg;
cfg = cgx_read(cgx, lmac_id, CGXX_CMRX_CFG);
@@ -246,7 +247,7 @@ int cgx_lmac_internal_loopback(void *cgxd, int lmac_id, bool enable)
if (!is_lmac_valid(cgx, lmac_id))
return -ENODEV;
- lmac_type = cgx_get_lmac_type(cgx, lmac_id);
+ lmac_type = cgx->mac_ops->get_lmac_type(cgx, lmac_id);
if (lmac_type == LMAC_MODE_SGMII || lmac_type == LMAC_MODE_QSGMII) {
cfg = cgx_read(cgx, lmac_id, CGXX_GMP_PCS_MRX_CTL);
if (enable)
@@ -637,7 +638,7 @@ static inline void link_status_user_format(u64 lstat,
linfo->link_up = FIELD_GET(RESP_LINKSTAT_UP, lstat);
linfo->full_duplex = FIELD_GET(RESP_LINKSTAT_FDUPLEX, lstat);
linfo->speed = cgx_speed_mbps[FIELD_GET(RESP_LINKSTAT_SPEED, lstat)];
- linfo->lmac_type_id = cgx_get_lmac_type(cgx, lmac_id);
+ linfo->lmac_type_id = FIELD_GET(RESP_LINKSTAT_LMAC_TYPE, lstat);
lmac_string = cgx_lmactype_string[linfo->lmac_type_id];
strncpy(linfo->lmac_type, lmac_string, LMACTYPE_STR_LEN - 1);
}
@@ -1046,6 +1047,8 @@ struct mac_ops cgx_mac_ops = {
.rx_stats_cnt = 9,
.tx_stats_cnt = 18,
.get_nr_lmacs = cgx_get_nr_lmacs,
+ .get_lmac_type = cgx_get_lmac_type,
+ .mac_lmac_intl_lbk = cgx_lmac_internal_loopback,
.mac_get_rx_stats = cgx_get_rx_stats,
.mac_get_tx_stats = cgx_get_tx_stats,
.mac_enadis_rx_pause_fwding = cgx_lmac_enadis_rx_pause_fwding,
@@ -154,6 +154,7 @@ enum cgx_cmd_own {
* CGX_STAT_SUCCESS
*/
#define RESP_FWD_BASE GENMASK_ULL(56, 9)
+#define RESP_LINKSTAT_LMAC_TYPE GENMASK_ULL(35, 28)
/* Response to cmd ID - CGX_CMD_LINK_BRING_UP/DOWN, event ID CGX_EVT_LINK_CHANGE
* status can be either CGX_STAT_FAIL or CGX_STAT_SUCCESS
@@ -70,7 +70,9 @@ struct mac_ops {
* number of setbits in lmac_exist tells number of lmacs
*/
int (*get_nr_lmacs)(void *cgx);
-
+ u8 (*get_lmac_type)(void *cgx, int lmac_id);
+ int (*mac_lmac_intl_lbk)(void *cgx, int lmac_id,
+ bool enable);
/* Register Stats related functions */
int (*mac_get_rx_stats)(void *cgx, int lmac_id,
int idx, u64 *rx_stat);
@@ -21,6 +21,8 @@ static struct mac_ops rpm_mac_ops = {
.rx_stats_cnt = 43,
.tx_stats_cnt = 34,
.get_nr_lmacs = rpm_get_nr_lmacs,
+ .get_lmac_type = rpm_get_lmac_type,
+ .mac_lmac_intl_lbk = rpm_lmac_internal_loopback,
.mac_get_rx_stats = rpm_get_rx_stats,
.mac_get_tx_stats = rpm_get_tx_stats,
.mac_enadis_rx_pause_fwding = rpm_lmac_enadis_rx_pause_fwding,
@@ -226,3 +228,45 @@ int rpm_get_tx_stats(void *rpmd, int lmac_id, int idx, u64 *tx_stat)
mutex_unlock(&rpm->lock);
return 0;
}
+
+u8 rpm_get_lmac_type(void *rpmd, int lmac_id)
+{
+ rpm_t *rpm = rpmd;
+ u64 req = 0, resp;
+ int err;
+
+ req = FIELD_SET(CMDREG_ID, CGX_CMD_GET_LINK_STS, req);
+ err = cgx_fwi_cmd_generic(req, &resp, rpm, 0);
+ if (!err)
+ return FIELD_GET(RESP_LINKSTAT_LMAC_TYPE, resp);
+ return err;
+}
+
+int rpm_lmac_internal_loopback(void *rpmd, int lmac_id, bool enable)
+{
+ rpm_t *rpm = rpmd;
+ u8 lmac_type;
+ u64 cfg;
+
+ if (!rpm || lmac_id >= rpm->lmac_count)
+ return -ENODEV;
+ lmac_type = rpm->mac_ops->get_lmac_type(rpm, lmac_id);
+ if (lmac_type == LMAC_MODE_100G_R) {
+ cfg = rpm_read(rpm, lmac_id, RPMX_MTI_PCS100X_CONTROL1);
+
+ if (enable)
+ cfg |= RPMX_MTI_PCS_LBK;
+ else
+ cfg &= ~RPMX_MTI_PCS_LBK;
+ rpm_write(rpm, lmac_id, RPMX_MTI_PCS100X_CONTROL1, cfg);
+ } else {
+ cfg = rpm_read(rpm, lmac_id, RPMX_MTI_LPCSX_CONTROL1);
+ if (enable)
+ cfg |= RPMX_MTI_PCS_LBK;
+ else
+ cfg &= ~RPMX_MTI_PCS_LBK;
+ rpm_write(rpm, lmac_id, RPMX_MTI_LPCSX_CONTROL1, cfg);
+ }
+
+ return 0;
+}
@@ -18,6 +18,9 @@
#define RPMX_CMRX_SW_INT_W1S 0x188
#define RPMX_CMRX_SW_INT_ENA_W1S 0x198
#define RPMX_CMRX_LINK_CFG 0x1070
+#define RPMX_MTI_PCS100X_CONTROL1 0x20000
+#define RPMX_MTI_LPCSX_CONTROL1 0x30000
+#define RPMX_MTI_PCS_LBK BIT_ULL(14)
#define RPMX_MTI_LPCSX_CONTROL(id) (0x30000 | ((id) * 0x100))
#define RPMX_CMRX_LINK_RANGE_MASK GENMASK_ULL(19, 16)
@@ -41,6 +44,8 @@
/* Function Declarations */
int rpm_get_nr_lmacs(void *rpmd);
+u8 rpm_get_lmac_type(void *rpmd, int lmac_id);
+int rpm_lmac_internal_loopback(void *rpmd, int lmac_id, bool enable);
void rpm_lmac_enadis_rx_pause_fwding(void *rpmd, int lmac_id, bool enable);
int rpm_lmac_get_pause_frm_status(void *cgxd, int lmac_id, u8 *tx_pause,
u8 *rx_pause);
@@ -706,15 +706,15 @@ u32 rvu_cgx_get_fifolen(struct rvu *rvu)
static int rvu_cgx_config_intlbk(struct rvu *rvu, u16 pcifunc, bool en)
{
- int pf = rvu_get_pf(pcifunc);
+ struct mac_ops *mac_ops;
u8 cgx_id, lmac_id;
if (!is_cgx_config_permitted(rvu, pcifunc))
return -EPERM;
- rvu_get_cgx_lmac_id(rvu->pf2cgxlmac_map[pf], &cgx_id, &lmac_id);
+ mac_ops = get_mac_ops(rvu_cgx_pdata(cgx_id, rvu));
- return cgx_lmac_internal_loopback(rvu_cgx_pdata(cgx_id, rvu),
+ return mac_ops->mac_lmac_intl_lbk(rvu_cgx_pdata(cgx_id, rvu),
lmac_id, en);
}