netdev - [PATCH net-next v2 01/14] sfc: Add code to export port_num in netdev->dev

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Message-ID: <556C575C.2040403@solarflare.com>
Date:	Mon, 1 Jun 2015 14:00:12 +0100
From:	Shradha Shah <sshah@...arflare.com>
To:	David Miller <davem@...emloft.net>
CC:	<netdev@...r.kernel.org>, <linux-net-drivers@...arflare.com>
Subject: [PATCH net-next v2 01/14] sfc: Add code to export port_num in netdev->dev_port

In the case where we have multiple functions (PFs and VFs), this
sysfs entry is useful to identify the physical port corresponding
to the function we are interested in.

Signed-off-by: Shradha Shah <sshah@...arflare.com>
---
 drivers/net/ethernet/sfc/ef10.c | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/drivers/net/ethernet/sfc/ef10.c b/drivers/net/ethernet/sfc/ef10.c
index a547ceb..dacf9f8 100644
--- a/drivers/net/ethernet/sfc/ef10.c
+++ b/drivers/net/ethernet/sfc/ef10.c
@@ -249,6 +249,7 @@ static int efx_ef10_get_mac_address_vf(struct efx_nic *efx, u8 *mac_address)
 static int efx_ef10_probe(struct efx_nic *efx)
 {
 	struct efx_ef10_nic_data *nic_data;
+	struct net_device *net_dev = efx->net_dev;
 	int i, rc;
 
 	/* We can have one VI for each 8K region.  However, until we
@@ -326,6 +327,7 @@ static int efx_ef10_probe(struct efx_nic *efx)
 	if (rc < 0)
 		goto fail3;
 	efx->port_num = rc;
+	net_dev->dev_port = rc;
 
 	rc = efx->type->get_mac_address(efx, efx->net_dev->perm_addr);
 	if (rc)
@@ -334,6 +336,7 @@ static int efx_ef10_probe(struct efx_nic *efx)
 	rc = efx_ef10_get_sysclk_freq(efx);
 	if (rc < 0)
 		goto fail3;
+
 	efx->timer_quantum_ns = 1536000 / rc; /* 1536 cycles */
 
 	/* Check whether firmware supports bug 35388 workaround.
@@ -341,9 +344,9 @@ static int efx_ef10_probe(struct efx_nic *efx)
 	 * ask if it's already enabled
 	 */
 	rc = efx_mcdi_set_workaround(efx, MC_CMD_WORKAROUND_BUG35388, true);
-	if (rc == 0)
+	if (rc == 0) {
 		nic_data->workaround_35388 = true;
-	else if (rc == -EPERM) {
+	} else if (rc == -EPERM) {
 		unsigned int enabled;
 
 		rc = efx_mcdi_get_workarounds(efx, NULL, &enabled);
@@ -351,9 +354,10 @@ static int efx_ef10_probe(struct efx_nic *efx)
 			goto fail3;
 		nic_data->workaround_35388 = enabled &
 			MC_CMD_GET_WORKAROUNDS_OUT_BUG35388;
-	}
-	else if (rc != -ENOSYS && rc != -ENOENT)
+	} else if (rc != -ENOSYS && rc != -ENOENT) {
 		goto fail3;
+	}
+
 	netif_dbg(efx, probe, efx->net_dev,
 		  "workaround for bug 35388 is %sabled\n",
 		  nic_data->workaround_35388 ? "en" : "dis");

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