Add following debug information in the driver - Get various DPNI counter values - Get link status of DPNI objects - Get information of both ends of connection (DPMAC - DPNI)
Signed-off-by: Prabhakar Kushwaha prabhakar@freescale.com --- Changes for v2: Use child container for DPMAC-DPNI connection.
drivers/net/ldpaa_eth/ldpaa_eth.c | 121 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 121 insertions(+)
diff --git a/drivers/net/ldpaa_eth/ldpaa_eth.c b/drivers/net/ldpaa_eth/ldpaa_eth.c index 4ba7a30..e2c3bdc 100644 --- a/drivers/net/ldpaa_eth/ldpaa_eth.c +++ b/drivers/net/ldpaa_eth/ldpaa_eth.c @@ -24,6 +24,84 @@ static int init_phy(struct eth_device *dev) return 0; }
+#ifdef DEBUG +static void ldpaa_eth_get_dpni_counter(void) +{ + int err = 0; + u64 value; + + err = dpni_get_counter(dflt_mc_io, MC_CMD_NO_FLAGS, + dflt_dpni->dpni_handle, + DPNI_CNT_ING_FRAME, + &value); + if (err < 0) { + printf("dpni_get_counter: DPNI_CNT_ING_FRAME failed\n"); + return; + } + printf("DPNI_CNT_ING_FRAME=%lld\n", value); + + err = dpni_get_counter(dflt_mc_io, MC_CMD_NO_FLAGS, + dflt_dpni->dpni_handle, + DPNI_CNT_ING_BYTE, + &value); + if (err < 0) { + printf("dpni_get_counter: DPNI_CNT_ING_BYTE failed\n"); + return; + } + printf("DPNI_CNT_ING_BYTE=%lld\n", value); + + err = dpni_get_counter(dflt_mc_io, MC_CMD_NO_FLAGS, + dflt_dpni->dpni_handle, + DPNI_CNT_ING_FRAME_DROP , + &value); + if (err < 0) { + printf("dpni_get_counter: DPNI_CNT_ING_FRAME_DROP failed\n"); + return; + } + printf("DPNI_CNT_ING_FRAME_DROP =%lld\n", value); + + err = dpni_get_counter(dflt_mc_io, MC_CMD_NO_FLAGS, + dflt_dpni->dpni_handle, + DPNI_CNT_ING_FRAME_DISCARD, + &value); + if (err < 0) { + printf("dpni_get_counter: DPNI_CNT_ING_FRAME_DISCARD failed\n"); + return; + } + printf("DPNI_CNT_ING_FRAME_DISCARD=%lld\n", value); + + err = dpni_get_counter(dflt_mc_io, MC_CMD_NO_FLAGS, + dflt_dpni->dpni_handle, + DPNI_CNT_EGR_FRAME, + &value); + if (err < 0) { + printf("dpni_get_counter: DPNI_CNT_EGR_FRAME failed\n"); + return; + } + printf("DPNI_CNT_EGR_FRAME=%lld\n", value); + + err = dpni_get_counter(dflt_mc_io, MC_CMD_NO_FLAGS, + dflt_dpni->dpni_handle, + DPNI_CNT_EGR_BYTE , + &value); + if (err < 0) { + printf("dpni_get_counter: DPNI_CNT_EGR_BYTE failed\n"); + return; + } + printf("DPNI_CNT_EGR_BYTE =%lld\n", value); + + err = dpni_get_counter(dflt_mc_io, MC_CMD_NO_FLAGS, + dflt_dpni->dpni_handle, + DPNI_CNT_EGR_FRAME_DISCARD , + &value); + if (err < 0) { + printf("dpni_get_counter: DPNI_CNT_EGR_FRAME_DISCARD failed\n"); + return; + } + printf("DPNI_CNT_EGR_FRAME_DISCARD =%lld\n", value); +} +#endif + static void ldpaa_eth_rx(struct ldpaa_eth_priv *priv, const struct dpaa_fd *fd) { @@ -221,6 +299,9 @@ static int ldpaa_eth_open(struct eth_device *net_dev, bd_t *bd) { struct ldpaa_eth_priv *priv = (struct ldpaa_eth_priv *)net_dev->priv; struct dpni_queue_attr rx_queue_attr; +#ifdef DEBUG + struct dpni_link_state link_state; +#endif int err;
if (net_dev->state == ETH_STATE_ACTIVE) @@ -285,6 +366,18 @@ static int ldpaa_eth_open(struct eth_device *net_dev, bd_t *bd) return err; }
+#ifdef DEBUG + err = dpni_get_link_state(dflt_mc_io, MC_CMD_NO_FLAGS, + dflt_dpni->dpni_handle, &link_state); + if (err < 0) { + printf("dpni_get_link_state() failed\n"); + return err; + } + + printf("link status: %d - ", link_state.up); + link_state.up == 0 ? printf("down\n") : + link_state.up == 1 ? printf("up\n") : printf("error state\n"); +#endif /* TODO: support multiple Rx flows */ err = dpni_get_rx_flow(dflt_mc_io, MC_CMD_NO_FLAGS, dflt_dpni->dpni_handle, 0, 0, &rx_queue_attr); @@ -329,6 +422,10 @@ static void ldpaa_eth_stop(struct eth_device *net_dev) (net_dev->state == ETH_STATE_INIT)) return;
+#ifdef DEBUG + ldpaa_eth_get_dpni_counter(); +#endif + err = dprc_disconnect(dflt_mc_io, MC_CMD_NO_FLAGS, dflt_dprc_handle, &dpmac_endpoint); if (err < 0) @@ -513,6 +610,11 @@ static int ldpaa_dpmac_bind(struct ldpaa_eth_priv *priv) .max_rate = 0 };
+#ifdef DEBUG + struct dprc_endpoint dbg_endpoint; + int state = 0; +#endif + memset(&dpmac_endpoint, 0, sizeof(struct dprc_endpoint)); sprintf(dpmac_endpoint.type, "dpmac"); dpmac_endpoint.id = priv->dpmac_id; @@ -526,6 +628,25 @@ static int ldpaa_dpmac_bind(struct ldpaa_eth_priv *priv) &dpmac_endpoint, &dpni_endpoint, &dprc_connection_cfg); + if (err) + printf("dprc_connect() failed\n"); + +#ifdef DEBUG + err = dprc_get_connection(dflt_mc_io, MC_CMD_NO_FLAGS, + dflt_dprc_handle, &dpni_endpoint, + &dbg_endpoint, &state); + printf("%s, DPMAC Type= %s\n", __func__, dbg_endpoint.type); + printf("%s, DPMAC ID= %d\n", __func__, dbg_endpoint.id); + printf("%s, DPMAC State= %d\n", __func__, state); + + memset(&dbg_endpoint, 0, sizeof(struct dprc_endpoint)); + err = dprc_get_connection(dflt_mc_io, MC_CMD_NO_FLAGS, + dflt_dprc_handle, &dpmac_endpoint, + &dbg_endpoint, &state); + printf("%s, DPNI Type= %s\n", __func__, dbg_endpoint.type); + printf("%s, DPNI ID= %d\n", __func__, dbg_endpoint.id); + printf("%s, DPNI State= %d\n", __func__, state); +#endif return err; }