net/axgbe: add debug logs

[dpdk.git] / drivers / net / axgbe / axgbe_mdio.c

diff --git a/drivers/net/axgbe/axgbe_mdio.c b/drivers/net/axgbe/axgbe_mdio.c
index 4b280b7..0f226c3 100644 (file)
--- a/drivers/net/axgbe/axgbe_mdio.c
+++ b/drivers/net/axgbe/axgbe_mdio.c
@@ -300,6 +300,8 @@ static void axgbe_an73_restart(struct axgbe_port *pdata)
 {
        axgbe_an73_enable_interrupts(pdata);
        axgbe_an73_set(pdata, true, true);
+
+       PMD_DRV_LOG(DEBUG, "CL73 AN enabled/restarted\n");
 }
 
 static void axgbe_an73_disable(struct axgbe_port *pdata)
@@ -307,6 +309,8 @@ static void axgbe_an73_disable(struct axgbe_port *pdata)
        axgbe_an73_set(pdata, false, false);
        axgbe_an73_disable_interrupts(pdata);
        pdata->an_start = 0;
+
+       PMD_DRV_LOG(DEBUG, "CL73 AN disabled\n");
 }
 
 static void axgbe_an_restart(struct axgbe_port *pdata)
@@ -384,6 +388,8 @@ static enum axgbe_an axgbe_an73_tx_training(struct axgbe_port *pdata,
                XMDIO_WRITE(pdata, MDIO_MMD_PMAPMD, MDIO_PMA_10GBR_PMD_CTRL,
                            reg);
 
+               PMD_DRV_LOG(DEBUG, "KR training initiated\n");
+
                if (pdata->phy_if.phy_impl.kr_training_post)
                        pdata->phy_if.phy_impl.kr_training_post(pdata);
        }
@@ -466,6 +472,9 @@ static enum axgbe_an axgbe_an73_page_received(struct axgbe_port *pdata)
                        pdata->kx_state = AXGBE_RX_BPA;
 
                        pdata->an_start = rte_get_timer_cycles();
+
+                       PMD_DRV_LOG(NOTICE,
+                                   "CL73 AN timed out, resetting state\n");
                }
        }
 
@@ -515,6 +524,26 @@ static enum axgbe_an axgbe_an73_incompat_link(struct axgbe_port *pdata)
        return AXGBE_AN_INCOMPAT_LINK;
 }
 
+static const char *axgbe_state_as_string(enum axgbe_an state)
+{
+       switch (state) {
+       case AXGBE_AN_READY:
+               return "Ready";
+       case AXGBE_AN_PAGE_RECEIVED:
+               return "Page-Received";
+       case AXGBE_AN_INCOMPAT_LINK:
+               return "Incompatible-Link";
+       case AXGBE_AN_COMPLETE:
+               return "Complete";
+       case AXGBE_AN_NO_LINK:
+               return "No-Link";
+       case AXGBE_AN_ERROR:
+               return "Error";
+       default:
+               return "Undefined";
+       }
+}
+
 static void axgbe_an73_state_machine(struct axgbe_port *pdata)
 {
        enum axgbe_an cur_state = pdata->an_state;
@@ -536,6 +565,9 @@ next_int:
                pdata->an_state = AXGBE_AN_ERROR;
        }
 
+       PMD_DRV_LOG(DEBUG, "CL73 AN : %s\n",
+                   axgbe_state_as_string(pdata->an_state));
+
 again:
        cur_state = pdata->an_state;
 
@@ -581,6 +613,9 @@ again:
                pdata->an_start = 0;
                if (pdata->phy_if.phy_impl.an_post)
                        pdata->phy_if.phy_impl.an_post(pdata);
+
+               PMD_DRV_LOG(DEBUG, "CL73 AN result: %s\n",
+                           axgbe_state_as_string(pdata->an_result));
        }
 
        if (cur_state != pdata->an_state)
@@ -685,6 +720,8 @@ static void axgbe_an37_isr(struct axgbe_port *pdata)
 
 static void axgbe_an_isr(struct axgbe_port *pdata)
 {
+       PMD_DRV_LOG(DEBUG, "AN interrupt received\n");
+
        switch (pdata->an_mode) {
        case AXGBE_AN_MODE_CL73:
        case AXGBE_AN_MODE_CL73_REDRV:
@@ -792,6 +829,8 @@ static void axgbe_an73_init(struct axgbe_port *pdata)
        reg &= ~AXGBE_XNP_NP_EXCHANGE;
 
        XMDIO_WRITE(pdata, MDIO_MMD_AN, MDIO_AN_ADVERTISE, reg);
+
+       PMD_DRV_LOG(DEBUG, "CL73 AN initialized\n");
 }
 
 static void axgbe_an_init(struct axgbe_port *pdata)
@@ -843,6 +882,8 @@ static int axgbe_phy_config_fixed(struct axgbe_port *pdata)
 {
        enum axgbe_mode mode;
 
+       PMD_DRV_LOG(DEBUG, "fixed PHY configuration\n");
+
        /* Disable auto-negotiation */
        axgbe_an_disable(pdata);
 
@@ -886,6 +927,9 @@ static int __axgbe_phy_config_aneg(struct axgbe_port *pdata)
                ret = axgbe_phy_config_fixed(pdata);
                if (ret || !pdata->kr_redrv)
                        return ret;
+               PMD_DRV_LOG(DEBUG, "AN redriver support\n");
+       } else {
+               PMD_DRV_LOG(DEBUG, "AN PHY configuration\n");
        }
 
        /* Disable auto-negotiation interrupt */
@@ -959,8 +1003,10 @@ static void axgbe_check_link_timeout(struct axgbe_port *pdata)
        link_timeout = pdata->link_check + (AXGBE_LINK_TIMEOUT *
                                            2 *  rte_get_timer_hz());
        ticks = rte_get_timer_cycles();
-       if (time_after(ticks, link_timeout))
+       if (time_after(ticks, link_timeout)) {
+               PMD_DRV_LOG(NOTICE, "AN link timeout\n");
                axgbe_phy_config_aneg(pdata);
+       }
 }
 
 static enum axgbe_mode axgbe_phy_status_aneg(struct axgbe_port *pdata)
@@ -1088,6 +1134,7 @@ adjust_link:
 
 static void axgbe_phy_stop(struct axgbe_port *pdata)
 {
+       PMD_DRV_LOG(DEBUG, "stopping PHY\n");
        if (!pdata->phy_started)
                return;
        /* Indicate the PHY is down */
@@ -1103,6 +1150,8 @@ static int axgbe_phy_start(struct axgbe_port *pdata)
 {
        int ret;
 
+       PMD_DRV_LOG(DEBUG, "starting PHY\n");
+
        ret = pdata->phy_if.phy_impl.start(pdata);
        if (ret)
                return ret;