[dpdk-dev] [PATCH 08/13] net/sfc: initialize port data on attach

[Andrew Rybchenko <arybchenko@solarflare.com>]

Port configuration should be initialized on attach to avoid reset to
defaults on device reconfigure.

Fixes: 03ed21195d9e ("net/sfc: minimum port control sufficient to receive traffic")

Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
Reviewed-by: Andy Moreton <amoreton@solarflare.com>
---
 drivers/net/sfc/sfc.c      | 19 ++++++++++++-------
 drivers/net/sfc/sfc.h      |  6 ++++--
 drivers/net/sfc/sfc_port.c | 32 +++++++++++++++++++++++++-------
 3 files changed, 41 insertions(+), 16 deletions(-)

diff --git a/drivers/net/sfc/sfc.c b/drivers/net/sfc/sfc.c
index a5d4736..8da7879 100644
--- a/drivers/net/sfc/sfc.c
+++ b/drivers/net/sfc/sfc.c
@@ -409,9 +409,9 @@ sfc_configure(struct sfc_adapter *sa)
 	if (rc != 0)
 		goto fail_intr_configure;
 
-	rc = sfc_port_init(sa);
+	rc = sfc_port_configure(sa);
 	if (rc != 0)
-		goto fail_port_init;
+		goto fail_port_configure;
 
 	rc = sfc_rx_init(sa);
 	if (rc != 0)
@@ -429,9 +429,9 @@ sfc_configure(struct sfc_adapter *sa)
 	sfc_rx_fini(sa);
 
 fail_rx_init:
-	sfc_port_fini(sa);
+	sfc_port_close(sa);
 
-fail_port_init:
+fail_port_configure:
 	sfc_intr_close(sa);
 
 fail_intr_configure:
@@ -453,7 +453,7 @@ sfc_close(struct sfc_adapter *sa)
 
 	sfc_tx_fini(sa);
 	sfc_rx_fini(sa);
-	sfc_port_fini(sa);
+	sfc_port_close(sa);
 	sfc_intr_close(sa);
 
 	sa->state = SFC_ADAPTER_INITIALIZED;
@@ -603,8 +603,9 @@ sfc_attach(struct sfc_adapter *sa)
 	if (rc != 0)
 		goto fail_ev_attach;
 
-	efx_phy_adv_cap_get(sa->nic, EFX_PHY_CAP_PERM,
-			    &sa->port.phy_adv_cap_mask);
+	rc = sfc_port_attach(sa);
+	if (rc != 0)
+		goto fail_port_attach;
 
 	rc = sfc_set_rss_defaults(sa);
 	if (rc != 0)
@@ -626,6 +627,9 @@ sfc_attach(struct sfc_adapter *sa)
 
 fail_filter_attach:
 fail_set_rss_defaults:
+	sfc_port_detach(sa);
+
+fail_port_attach:
 	sfc_ev_detach(sa);
 
 fail_ev_attach:
@@ -651,6 +655,7 @@ sfc_detach(struct sfc_adapter *sa)
 	sfc_flow_fini(sa);
 
 	sfc_filter_detach(sa);
+	sfc_port_detach(sa);
 	sfc_ev_detach(sa);
 	sfc_intr_detach(sa);
 
diff --git a/drivers/net/sfc/sfc.h b/drivers/net/sfc/sfc.h
index 5fd734e..cee1eb8 100644
--- a/drivers/net/sfc/sfc.h
+++ b/drivers/net/sfc/sfc.h
@@ -302,8 +302,10 @@ void sfc_intr_close(struct sfc_adapter *sa);
 int sfc_intr_start(struct sfc_adapter *sa);
 void sfc_intr_stop(struct sfc_adapter *sa);
 
-int sfc_port_init(struct sfc_adapter *sa);
-void sfc_port_fini(struct sfc_adapter *sa);
+int sfc_port_attach(struct sfc_adapter *sa);
+void sfc_port_detach(struct sfc_adapter *sa);
+int sfc_port_configure(struct sfc_adapter *sa);
+void sfc_port_close(struct sfc_adapter *sa);
 int sfc_port_start(struct sfc_adapter *sa);
 void sfc_port_stop(struct sfc_adapter *sa);
 void sfc_port_link_mode_to_info(efx_link_mode_t link_mode,
diff --git a/drivers/net/sfc/sfc_port.c b/drivers/net/sfc/sfc_port.c
index 7d1005e..ee96bcd 100644
--- a/drivers/net/sfc/sfc_port.c
+++ b/drivers/net/sfc/sfc_port.c
@@ -296,24 +296,42 @@ sfc_port_stop(struct sfc_adapter *sa)
 }
 
 int
-sfc_port_init(struct sfc_adapter *sa)
+sfc_port_configure(struct sfc_adapter *sa)
 {
 	const struct rte_eth_dev_data *dev_data = sa->eth_dev->data;
 	struct sfc_port *port = &sa->port;
+
+	sfc_log_init(sa, "entry");
+
+	if (dev_data->dev_conf.rxmode.jumbo_frame)
+		port->pdu = dev_data->dev_conf.rxmode.max_rx_pkt_len;
+	else
+		port->pdu = EFX_MAC_PDU(dev_data->mtu);
+
+	return 0;
+}
+
+void
+sfc_port_close(struct sfc_adapter *sa)
+{
+	sfc_log_init(sa, "entry");
+}
+
+int
+sfc_port_attach(struct sfc_adapter *sa)
+{
+	struct sfc_port *port = &sa->port;
 	long kvarg_stats_update_period_ms;
 	int rc;
 
 	sfc_log_init(sa, "entry");
 
+	efx_phy_adv_cap_get(sa->nic, EFX_PHY_CAP_PERM, &port->phy_adv_cap_mask);
+
 	/* Enable flow control by default */
 	port->flow_ctrl = EFX_FCNTL_RESPOND | EFX_FCNTL_GENERATE;
 	port->flow_ctrl_autoneg = B_TRUE;
 
-	if (dev_data->dev_conf.rxmode.jumbo_frame)
-		port->pdu = dev_data->dev_conf.rxmode.max_rx_pkt_len;
-	else
-		port->pdu = EFX_MAC_PDU(dev_data->mtu);
-
 	port->max_mcast_addrs = EFX_MAC_MULTICAST_LIST_MAX;
 	port->nb_mcast_addrs = 0;
 	port->mcast_addrs = rte_calloc_socket("mcast_addr_list_buf",
@@ -374,7 +392,7 @@ sfc_port_init(struct sfc_adapter *sa)
 }
 
 void
-sfc_port_fini(struct sfc_adapter *sa)
+sfc_port_detach(struct sfc_adapter *sa)
 {
 	struct sfc_port *port = &sa->port;
 
-- 
2.9.3