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From: Tomasz Duszynski <tduszynski@marvell.com>
To: <dev@dpdk.org>
CC: <jpalider@marvell.com>, <jerinj@marvell.com>, Tomasz Duszynski
<tduszynski@marvell.com>, Nithin Dabilpuram <ndabilpuram@marvell.com>,
"Kiran Kumar K" <kirankumark@marvell.com>,
Sunil Kumar Kori <skori@marvell.com>,
Satha Rao <skoteshwar@marvell.com>, Ray Kinsella <mdr@ashroe.eu>,
Neil Horman <nhorman@tuxdriver.com>
Date: Mon, 31 May 2021 23:41:18 +0200
Message-ID: <20210531214142.30167-5-tduszynski@marvell.com>
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definitions=2021-05-31_15:2021-05-31,
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Subject: [dpdk-dev] [PATCH 04/28] common/cnxk: add support for changing
internal loopback
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Add support for enabling or disabling internal loopback.
Signed-off-by: Tomasz Duszynski <tduszynski@marvell.com>
Signed-off-by: Jakub Palider <jpalider@marvell.com>
---
drivers/common/cnxk/roc_bphy_cgx.c | 30 +++++++++++++++++++++++++
drivers/common/cnxk/roc_bphy_cgx.h | 4 ++++
drivers/common/cnxk/roc_bphy_cgx_priv.h | 4 ++++
drivers/common/cnxk/version.map | 2 ++
4 files changed, 40 insertions(+)
diff --git a/drivers/common/cnxk/roc_bphy_cgx.c b/drivers/common/cnxk/roc_bphy_cgx.c
index c7ba53ede..45088d5d4 100644
--- a/drivers/common/cnxk/roc_bphy_cgx.c
+++ b/drivers/common/cnxk/roc_bphy_cgx.c
@@ -213,6 +213,24 @@ roc_bphy_cgx_lmac_exists(struct roc_bphy_cgx *roc_cgx, unsigned int lmac)
(roc_cgx->lmac_bmap & BIT_ULL(lmac));
}
+static int
+roc_bphy_cgx_intlbk_ena_dis(struct roc_bphy_cgx *roc_cgx, unsigned int lmac,
+ bool enable)
+{
+ 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_INTERNAL_LBK) |
+ FIELD_PREP(SCR1_ETH_CTL_ARGS_ENABLE, enable);
+
+ return roc_bphy_cgx_intf_req(roc_cgx, lmac, scr1, &scr0);
+}
+
int
roc_bphy_cgx_get_linkinfo(struct roc_bphy_cgx *roc_cgx, unsigned int lmac,
struct roc_bphy_cgx_link_info *info)
@@ -243,3 +261,15 @@ roc_bphy_cgx_get_linkinfo(struct roc_bphy_cgx *roc_cgx, unsigned int lmac,
return 0;
}
+
+int
+roc_bphy_cgx_intlbk_enable(struct roc_bphy_cgx *roc_cgx, unsigned int lmac)
+{
+ return roc_bphy_cgx_intlbk_ena_dis(roc_cgx, lmac, true);
+}
+
+int
+roc_bphy_cgx_intlbk_disable(struct roc_bphy_cgx *roc_cgx, unsigned int lmac)
+{
+ return roc_bphy_cgx_intlbk_ena_dis(roc_cgx, lmac, false);
+}
diff --git a/drivers/common/cnxk/roc_bphy_cgx.h b/drivers/common/cnxk/roc_bphy_cgx.h
index bb1d903eb..3bb9d49ed 100644
--- a/drivers/common/cnxk/roc_bphy_cgx.h
+++ b/drivers/common/cnxk/roc_bphy_cgx.h
@@ -90,5 +90,9 @@ __roc_api int roc_bphy_cgx_dev_fini(struct roc_bphy_cgx *roc_cgx);
__roc_api int roc_bphy_cgx_get_linkinfo(struct roc_bphy_cgx *roc_cgx,
unsigned int lmac,
struct roc_bphy_cgx_link_info *info);
+__roc_api int roc_bphy_cgx_intlbk_enable(struct roc_bphy_cgx *roc_cgx,
+ unsigned int lmac);
+__roc_api int roc_bphy_cgx_intlbk_disable(struct roc_bphy_cgx *roc_cgx,
+ unsigned int lmac);
#endif /* _ROC_BPHY_CGX_H_ */
diff --git a/drivers/common/cnxk/roc_bphy_cgx_priv.h b/drivers/common/cnxk/roc_bphy_cgx_priv.h
index c0550ae87..cb59cac09 100644
--- a/drivers/common/cnxk/roc_bphy_cgx_priv.h
+++ b/drivers/common/cnxk/roc_bphy_cgx_priv.h
@@ -8,6 +8,7 @@
/* REQUEST ID types. Input to firmware */
enum eth_cmd_id {
ETH_CMD_GET_LINK_STS = 4,
+ ETH_CMD_INTERNAL_LBK = 7,
ETH_CMD_INTF_SHUTDOWN = 12,
};
@@ -58,6 +59,9 @@ enum eth_cmd_own {
/* struct eth_cmd */
#define SCR1_ETH_CMD_ID GENMASK_ULL(7, 2)
+/* struct eth_ctl_args */
+#define SCR1_ETH_CTL_ARGS_ENABLE BIT_ULL(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 466207f9d..71437a6c5 100644
--- a/drivers/common/cnxk/version.map
+++ b/drivers/common/cnxk/version.map
@@ -12,6 +12,8 @@ INTERNAL {
roc_bphy_cgx_dev_fini;
roc_bphy_cgx_dev_init;
roc_bphy_cgx_get_linkinfo;
+ roc_bphy_cgx_intlbk_disable;
+ roc_bphy_cgx_intlbk_enable;
roc_clk_freq_get;
roc_error_msg_get;
roc_idev_lmt_base_addr_get;
--
2.25.1