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From: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
To: davem@davemloft.net
Cc: Jesse Brandeburg <jesse.brandeburg@intel.com>,
	netdev@vger.kernel.org, nhorman@redhat.com, sassmann@redhat.com,
	jogreene@redhat.com, Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Subject: [net-next 07/15] i40e/i40evf: use DECLARE_BITMAP for state
Date: Fri,  6 Oct 2017 10:57:19 -0700	[thread overview]
Message-ID: <20171006175727.868-8-jeffrey.t.kirsher@intel.com> (raw)
In-Reply-To: <20171006175727.868-1-jeffrey.t.kirsher@intel.com>

From: Jesse Brandeburg <jesse.brandeburg@intel.com>

When using set_bit and friends, we should be using actual
bitmaps, and fix all the locations where we might access
it.

Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
---
 drivers/net/ethernet/intel/i40e/i40e_debugfs.c | 8 ++++----
 drivers/net/ethernet/intel/i40e/i40e_main.c    | 4 ++--
 drivers/net/ethernet/intel/i40e/i40e_txrx.h    | 3 ++-
 drivers/net/ethernet/intel/i40evf/i40e_txrx.h  | 3 ++-
 4 files changed, 10 insertions(+), 8 deletions(-)

diff --git a/drivers/net/ethernet/intel/i40e/i40e_debugfs.c b/drivers/net/ethernet/intel/i40e/i40e_debugfs.c
index 8f326f87a815..6f2725fc50a1 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_debugfs.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_debugfs.c
@@ -278,8 +278,8 @@ static void i40e_dbg_dump_vsi_seid(struct i40e_pf *pf, int seid)
 			 rx_ring->netdev,
 			 rx_ring->rx_bi);
 		dev_info(&pf->pdev->dev,
-			 "    rx_rings[%i]: state = %li, queue_index = %d, reg_idx = %d\n",
-			 i, rx_ring->state,
+			 "    rx_rings[%i]: state = %lu, queue_index = %d, reg_idx = %d\n",
+			 i, *rx_ring->state,
 			 rx_ring->queue_index,
 			 rx_ring->reg_idx);
 		dev_info(&pf->pdev->dev,
@@ -334,8 +334,8 @@ static void i40e_dbg_dump_vsi_seid(struct i40e_pf *pf, int seid)
 			 tx_ring->netdev,
 			 tx_ring->tx_bi);
 		dev_info(&pf->pdev->dev,
-			 "    tx_rings[%i]: state = %li, queue_index = %d, reg_idx = %d\n",
-			 i, tx_ring->state,
+			 "    tx_rings[%i]: state = %lu, queue_index = %d, reg_idx = %d\n",
+			 i, *tx_ring->state,
 			 tx_ring->queue_index,
 			 tx_ring->reg_idx);
 		dev_info(&pf->pdev->dev,
diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c
index 85132eee9f64..49401be7a2f4 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_main.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_main.c
@@ -2891,7 +2891,7 @@ static void i40e_config_xps_tx_ring(struct i40e_ring *ring)
 		return;
 
 	if ((vsi->tc_config.numtc <= 1) &&
-	    !test_and_set_bit(__I40E_TX_XPS_INIT_DONE, &ring->state)) {
+	    !test_and_set_bit(__I40E_TX_XPS_INIT_DONE, ring->state)) {
 		cpu = cpumask_local_spread(ring->q_vector->v_idx, -1);
 		netif_set_xps_queue(ring->netdev, get_cpu_mask(cpu),
 				    ring->queue_index);
@@ -3010,7 +3010,7 @@ static int i40e_configure_rx_ring(struct i40e_ring *ring)
 	struct i40e_hmc_obj_rxq rx_ctx;
 	i40e_status err = 0;
 
-	ring->state = 0;
+	bitmap_zero(ring->state, __I40E_RING_STATE_NBITS);
 
 	/* clear the context structure first */
 	memset(&rx_ctx, 0, sizeof(rx_ctx));
diff --git a/drivers/net/ethernet/intel/i40e/i40e_txrx.h b/drivers/net/ethernet/intel/i40e/i40e_txrx.h
index 2f848bc5e391..a4e3e665a1a1 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_txrx.h
+++ b/drivers/net/ethernet/intel/i40e/i40e_txrx.h
@@ -342,6 +342,7 @@ struct i40e_rx_queue_stats {
 enum i40e_ring_state_t {
 	__I40E_TX_FDIR_INIT_DONE,
 	__I40E_TX_XPS_INIT_DONE,
+	__I40E_RING_STATE_NBITS /* must be last */
 };
 
 /* some useful defines for virtchannel interface, which
@@ -366,7 +367,7 @@ struct i40e_ring {
 		struct i40e_tx_buffer *tx_bi;
 		struct i40e_rx_buffer *rx_bi;
 	};
-	unsigned long state;
+	DECLARE_BITMAP(state, __I40E_RING_STATE_NBITS);
 	u16 queue_index;		/* Queue number of ring */
 	u8 dcb_tc;			/* Traffic class of ring */
 	u8 __iomem *tail;
diff --git a/drivers/net/ethernet/intel/i40evf/i40e_txrx.h b/drivers/net/ethernet/intel/i40evf/i40e_txrx.h
index 0d9f98bc07bd..d8ca802a71a9 100644
--- a/drivers/net/ethernet/intel/i40evf/i40e_txrx.h
+++ b/drivers/net/ethernet/intel/i40evf/i40e_txrx.h
@@ -325,6 +325,7 @@ struct i40e_rx_queue_stats {
 enum i40e_ring_state_t {
 	__I40E_TX_FDIR_INIT_DONE,
 	__I40E_TX_XPS_INIT_DONE,
+	__I40E_RING_STATE_NBITS /* must be last */
 };
 
 /* some useful defines for virtchannel interface, which
@@ -348,7 +349,7 @@ struct i40e_ring {
 		struct i40e_tx_buffer *tx_bi;
 		struct i40e_rx_buffer *rx_bi;
 	};
-	unsigned long state;
+	DECLARE_BITMAP(state, __I40E_RING_STATE_NBITS);
 	u16 queue_index;		/* Queue number of ring */
 	u8 dcb_tc;			/* Traffic class of ring */
 	u8 __iomem *tail;
-- 
2.14.2

  parent reply	other threads:[~2017-10-06 17:57 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-10-06 17:57 [net-next 00/15][pull request] 40GbE Intel Wired LAN Driver Updates 2017-10-06 Jeff Kirsher
2017-10-06 17:57 ` [net-next 01/15] i40e: fix a typo in i40e_pf documentation Jeff Kirsher
2017-10-06 17:57 ` [net-next 02/15] i40e: add private flag to control source pruning Jeff Kirsher
2017-10-06 17:57 ` [net-next 03/15] i40e/i40evf: spread CPU affinity hints across online CPUs only Jeff Kirsher
2017-10-06 17:57 ` [net-next 04/15] i40e: re-enable PTP L4 capabilities for XL710 if FW >6.0 Jeff Kirsher
2017-10-06 17:57 ` [net-next 05/15] i40e: redfine I40E_PHY_TYPE_MAX Jeff Kirsher
2017-10-06 17:57 ` [net-next 06/15] i40e: fix incorrect register definition Jeff Kirsher
2017-10-06 17:57 ` Jeff Kirsher [this message]
2017-10-06 17:57 ` [net-next 08/15] i40e: fix merge error Jeff Kirsher
2017-10-06 17:57 ` [net-next 09/15] i40e: Display error message if module does not meet thermal requirements Jeff Kirsher
2017-10-06 17:57 ` [net-next 10/15] i40e: Properly maintain flow director filters list Jeff Kirsher
2017-10-06 17:57 ` [net-next 11/15] i40e: implement split PCI error reset handler Jeff Kirsher
2017-10-06 17:57 ` [net-next 12/15] i40e: do not enter PHY debug mode while setting LEDs behaviour Jeff Kirsher
2017-10-06 17:57 ` [net-next 13/15] i40evf: enable support for VF VLAN tag stripping control Jeff Kirsher
2017-10-06 17:57 ` [net-next 14/15] i40e: ignore skb->xmit_more when deciding to set RS bit Jeff Kirsher
2017-10-09  9:07   ` David Laight
2017-10-09 16:28     ` Alexander Duyck
2017-10-09 20:10       ` Keller, Jacob E
2017-10-06 17:57 ` [net-next 15/15] i40e/i40evf: organize and re-number feature flags Jeff Kirsher
2017-10-06 22:41 ` [net-next 00/15][pull request] 40GbE Intel Wired LAN Driver Updates 2017-10-06 David Miller

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