[dpdk-dev] [PATCH 2/4] common/cnxk: support setting BPHY CGX/RPM FEC

[Tomasz Duszynski]

Add support for setting FEC for a given LMAC.

Signed-off-by: Tomasz Duszynski <tduszyn...@marvell.com>
---
 drivers/common/cnxk/roc_bphy_cgx.c      | 18 ++++++++++++++++++
 drivers/common/cnxk/roc_bphy_cgx.h      |  3 +++
 drivers/common/cnxk/roc_bphy_cgx_priv.h |  4 ++++
 drivers/common/cnxk/version.map         |  1 +
 4 files changed, 26 insertions(+)

diff --git a/drivers/common/cnxk/roc_bphy_cgx.c 
b/drivers/common/cnxk/roc_bphy_cgx.c
index 467b67686b..9e53fe238e 100644
--- a/drivers/common/cnxk/roc_bphy_cgx.c
+++ b/drivers/common/cnxk/roc_bphy_cgx.c
@@ -396,6 +396,24 @@ roc_bphy_cgx_ptp_rx_disable(struct roc_bphy_cgx *roc_cgx, 
unsigned int lmac)
        return roc_bphy_cgx_ptp_rx_ena_dis(roc_cgx, lmac, false);
 }
 
+int
+roc_bphy_cgx_fec_set(struct roc_bphy_cgx *roc_cgx, unsigned int lmac,
+                    enum roc_bphy_cgx_eth_link_fec fec)
+{
+       uint64_t scr1, scr0;
+
+       if (!roc_cgx)
+               return -EINVAL;
+
+       if (!roc_bphy_cgx_lmac_exists(roc_cgx, lmac))
+               return -EINVAL;
+
+       scr1 = FIELD_PREP(SCR1_ETH_CMD_ID, ETH_CMD_SET_FEC) |
+              FIELD_PREP(SCR1_ETH_SET_FEC_ARGS, fec);
+
+       return roc_bphy_cgx_intf_req(roc_cgx, lmac, scr1, &scr0);
+}
+
 int
 roc_bphy_cgx_fec_supported_get(struct roc_bphy_cgx *roc_cgx, unsigned int lmac,
                               enum roc_bphy_cgx_eth_link_fec *fec)
diff --git a/drivers/common/cnxk/roc_bphy_cgx.h 
b/drivers/common/cnxk/roc_bphy_cgx.h
index 9439f88b34..d522d4e202 100644
--- a/drivers/common/cnxk/roc_bphy_cgx.h
+++ b/drivers/common/cnxk/roc_bphy_cgx.h
@@ -115,6 +115,9 @@ __roc_api int roc_bphy_cgx_ptp_rx_enable(struct 
roc_bphy_cgx *roc_cgx,
                                         unsigned int lmac);
 __roc_api int roc_bphy_cgx_ptp_rx_disable(struct roc_bphy_cgx *roc_cgx,
                                          unsigned int lmac);
+__roc_api int roc_bphy_cgx_fec_set(struct roc_bphy_cgx *roc_cgx,
+                                  unsigned int lmac,
+                                  enum roc_bphy_cgx_eth_link_fec fec);
 __roc_api int roc_bphy_cgx_fec_supported_get(struct roc_bphy_cgx *roc_cgx,
                                             unsigned int lmac,
                                             enum roc_bphy_cgx_eth_link_fec 
*fec);
diff --git a/drivers/common/cnxk/roc_bphy_cgx_priv.h 
b/drivers/common/cnxk/roc_bphy_cgx_priv.h
index 93aa43ef5a..e45a13ef09 100644
--- a/drivers/common/cnxk/roc_bphy_cgx_priv.h
+++ b/drivers/common/cnxk/roc_bphy_cgx_priv.h
@@ -67,6 +67,7 @@ enum eth_cmd_id {
        ETH_CMD_MODE_CHANGE = 11, /* hot plug support */
        ETH_CMD_INTF_SHUTDOWN = 12,
        ETH_CMD_GET_SUPPORTED_FEC = 18,
+       ETH_CMD_SET_FEC = 19,
        ETH_CMD_SET_PTP_MODE = 34,
 };
 
@@ -130,6 +131,9 @@ enum eth_cmd_own {
 #define SCR1_ETH_MODE_CHANGE_ARGS_PORT  GENMASK_ULL(21, 14)
 #define SCR1_ETH_MODE_CHANGE_ARGS_MODE  GENMASK_ULL(63, 22)
 
+/* struct eth_set_fec_args */
+#define SCR1_ETH_SET_FEC_ARGS GENMASK_ULL(9, 8)
+
 #define SCR1_OWN_STATUS GENMASK_ULL(1, 0)
 
 #endif /* _ROC_BPHY_CGX_PRIV_H_ */
diff --git a/drivers/common/cnxk/version.map b/drivers/common/cnxk/version.map
index 3b9b283b6e..738c77eaed 100644
--- a/drivers/common/cnxk/version.map
+++ b/drivers/common/cnxk/version.map
@@ -24,6 +24,7 @@ INTERNAL {
        roc_ae_fpm_put;
        roc_bphy_cgx_dev_fini;
        roc_bphy_cgx_dev_init;
+       roc_bphy_cgx_fec_set;
        roc_bphy_cgx_fec_supported_get;
        roc_bphy_cgx_get_linkinfo;
        roc_bphy_cgx_intlbk_disable;
-- 
2.25.1