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path: root/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h
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Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx4/mlx4_en.h')
-rw-r--r--drivers/net/ethernet/mellanox/mlx4/mlx4_en.h326
1 files changed, 267 insertions, 59 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h
index 8d54412ada6..d72a5a894fc 100644
--- a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h
+++ b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h
@@ -40,10 +40,12 @@
#include <linux/mutex.h>
#include <linux/netdevice.h>
#include <linux/if_vlan.h>
+#include <linux/net_tstamp.h>
#ifdef CONFIG_MLX4_EN_DCB
#include <linux/dcbnl.h>
#endif
#include <linux/cpu_rmap.h>
+#include <linux/ptp_clock_kernel.h>
#include <linux/mlx4/device.h>
#include <linux/mlx4/qp.h>
@@ -55,8 +57,8 @@
#include "en_port.h"
#define DRV_NAME "mlx4_en"
-#define DRV_VERSION "2.0"
-#define DRV_RELDATE "Dec 2011"
+#define DRV_VERSION "2.2-1"
+#define DRV_RELDATE "Feb 2014"
#define MLX4_EN_MSG_LEVEL (NETIF_MSG_LINK | NETIF_MSG_IFDOWN)
@@ -77,6 +79,7 @@
#define STAMP_SHIFT 31
#define STAMP_VAL 0x7fffffff
#define STATS_DELAY (HZ / 4)
+#define SERVICE_TASK_DELAY (HZ / 4)
#define MAX_NUM_OF_FS_RULES 256
#define MLX4_EN_FILTER_HASH_SHIFT 4
@@ -94,13 +97,14 @@
/* Use the maximum between 16384 and a single page */
#define MLX4_EN_ALLOC_SIZE PAGE_ALIGN(16384)
-#define MLX4_EN_ALLOC_ORDER get_order(MLX4_EN_ALLOC_SIZE)
-/* Receive fragment sizes; we use at most 4 fragments (for 9600 byte MTU
+#define MLX4_EN_ALLOC_PREFER_ORDER PAGE_ALLOC_COSTLY_ORDER
+
+/* Receive fragment sizes; we use at most 3 fragments (for 9600 byte MTU
* and 4K allocations) */
enum {
- FRAG_SZ0 = 512 - NET_IP_ALIGN,
- FRAG_SZ1 = 1024,
+ FRAG_SZ0 = 1536 - NET_IP_ALIGN,
+ FRAG_SZ1 = 4096,
FRAG_SZ2 = 4096,
FRAG_SZ3 = MLX4_EN_ALLOC_SIZE
};
@@ -122,6 +126,8 @@ enum {
#define MAX_TX_RINGS (MLX4_EN_MAX_TX_RING_P_UP * \
MLX4_EN_NUM_UP)
+#define MLX4_EN_DEFAULT_TX_WORK 256
+
/* Target number of packets to coalesce with interrupt moderation */
#define MLX4_EN_RX_COAL_TARGET 44
#define MLX4_EN_RX_COAL_TIME 0x10
@@ -183,6 +189,13 @@ enum {
#define GET_AVG_PERF_COUNTER(cnt) (0)
#endif /* MLX4_EN_PERF_STAT */
+/* Constants for TX flow */
+enum {
+ MAX_INLINE = 104, /* 128 - 16 - 4 - 4 */
+ MAX_BF = 256,
+ MIN_PKT_LEN = 17,
+};
+
/*
* Configurables
*/
@@ -198,7 +211,6 @@ enum cq_type {
*/
#define ROUNDUP_LOG2(x) ilog2(roundup_pow_of_two(x))
#define XNOR(x, y) (!(x) == !(y))
-#define ILLEGAL_MAC(addr) (addr == 0xffffffffffffULL || addr == 0x0)
struct mlx4_en_tx_info {
@@ -208,6 +220,7 @@ struct mlx4_en_tx_info {
u8 linear;
u8 data_offset;
u8 inl;
+ u8 ts_requested;
};
@@ -232,9 +245,10 @@ struct mlx4_en_tx_desc {
#define MLX4_EN_CX3_HIGH_ID 0x1005
struct mlx4_en_rx_alloc {
- struct page *page;
- dma_addr_t dma;
- u16 offset;
+ struct page *page;
+ dma_addr_t dma;
+ u32 page_offset;
+ u32 page_size;
};
struct mlx4_en_tx_ring {
@@ -251,6 +265,8 @@ struct mlx4_en_tx_ring {
u16 poll_cnt;
struct mlx4_en_tx_info *tx_info;
u8 *bounce_buf;
+ u8 queue_index;
+ cpumask_t affinity_mask;
u32 last_nr_txbb;
struct mlx4_qp qp;
struct mlx4_qp_context context;
@@ -260,9 +276,13 @@ struct mlx4_en_tx_ring {
unsigned long bytes;
unsigned long packets;
unsigned long tx_csum;
+ unsigned long queue_stopped;
+ unsigned long wake_queue;
struct mlx4_bf bf;
bool bf_enabled;
struct netdev_queue *tx_queue;
+ int hwtstamp_tx_type;
+ int inline_thold;
};
struct mlx4_en_rx_desc {
@@ -287,15 +307,21 @@ struct mlx4_en_rx_ring {
void *rx_info;
unsigned long bytes;
unsigned long packets;
+#ifdef CONFIG_NET_RX_BUSY_POLL
+ unsigned long yields;
+ unsigned long misses;
+ unsigned long cleaned;
+#endif
unsigned long csum_ok;
unsigned long csum_none;
+ int hwtstamp_rx_filter;
+ cpumask_var_t affinity_mask;
};
struct mlx4_en_cq {
struct mlx4_cq mcq;
struct mlx4_hwq_resources wqres;
int ring;
- spinlock_t lock;
struct net_device *dev;
struct napi_struct napi;
int size;
@@ -306,6 +332,20 @@ struct mlx4_en_cq {
u16 moder_cnt;
struct mlx4_cqe *buf;
#define MLX4_EN_OPCODE_ERROR 0x1e
+
+#ifdef CONFIG_NET_RX_BUSY_POLL
+ unsigned int state;
+#define MLX4_EN_CQ_STATE_IDLE 0
+#define MLX4_EN_CQ_STATE_NAPI 1 /* NAPI owns this CQ */
+#define MLX4_EN_CQ_STATE_POLL 2 /* poll owns this CQ */
+#define MLX4_CQ_LOCKED (MLX4_EN_CQ_STATE_NAPI | MLX4_EN_CQ_STATE_POLL)
+#define MLX4_EN_CQ_STATE_NAPI_YIELD 4 /* NAPI yielded this CQ */
+#define MLX4_EN_CQ_STATE_POLL_YIELD 8 /* poll yielded this CQ */
+#define CQ_YIELD (MLX4_EN_CQ_STATE_NAPI_YIELD | MLX4_EN_CQ_STATE_POLL_YIELD)
+#define CQ_USER_PEND (MLX4_EN_CQ_STATE_POLL | MLX4_EN_CQ_STATE_POLL_YIELD)
+ spinlock_t poll_lock; /* protects from LLS/napi conflicts */
+#endif /* CONFIG_NET_RX_BUSY_POLL */
+ struct irq_desc *irq_desc;
};
struct mlx4_en_port_profile {
@@ -319,6 +359,7 @@ struct mlx4_en_port_profile {
u8 tx_pause;
u8 tx_ppp;
int rss_rings;
+ int inline_thold;
};
struct mlx4_en_profile {
@@ -349,6 +390,14 @@ struct mlx4_en_dev {
u32 priv_pdn;
spinlock_t uar_lock;
u8 mac_removed[MLX4_MAX_PORTS + 1];
+ rwlock_t clock_lock;
+ u32 nominal_c_mult;
+ struct cyclecounter cycles;
+ struct timecounter clock;
+ unsigned long last_overflow_check;
+ unsigned long overflow_period;
+ struct ptp_clock *ptp_clock;
+ struct ptp_clock_info ptp_clock_info;
};
@@ -406,6 +455,7 @@ struct mlx4_en_mc_list {
enum mlx4_en_mclist_act action;
u8 addr[ETH_ALEN];
u64 reg_id;
+ u64 tunnel_reg_id;
};
struct mlx4_en_frag_info {
@@ -413,8 +463,6 @@ struct mlx4_en_frag_info {
u16 frag_prefix_size;
u16 frag_stride;
u16 frag_align;
- u16 last_offset;
-
};
#ifdef CONFIG_MLX4_EN_DCB
@@ -427,10 +475,26 @@ struct mlx4_en_frag_info {
#endif
struct ethtool_flow_id {
+ struct list_head list;
struct ethtool_rx_flow_spec flow_spec;
u64 id;
};
+enum {
+ MLX4_EN_FLAG_PROMISC = (1 << 0),
+ MLX4_EN_FLAG_MC_PROMISC = (1 << 1),
+ /* whether we need to enable hardware loopback by putting dmac
+ * in Tx WQE
+ */
+ MLX4_EN_FLAG_ENABLE_HW_LOOPBACK = (1 << 2),
+ /* whether we need to drop packets that hardware loopback-ed */
+ MLX4_EN_FLAG_RX_FILTER_NEEDED = (1 << 3),
+ MLX4_EN_FLAG_FORCE_PROMISC = (1 << 4)
+};
+
+#define MLX4_EN_MAC_HASH_SIZE (1 << BITS_PER_BYTE)
+#define MLX4_EN_MAC_HASH_IDX 5
+
struct mlx4_en_priv {
struct mlx4_en_dev *mdev;
struct mlx4_en_port_profile *prof;
@@ -441,6 +505,8 @@ struct mlx4_en_priv {
struct mlx4_en_port_state port_state;
spinlock_t stats_lock;
struct ethtool_flow_id ethtool_rules[MAX_NUM_OF_FS_RULES];
+ /* To allow rules removal while port is going down */
+ struct list_head ethtool_list;
unsigned long last_moder_packets[MAX_RX_RINGS];
unsigned long last_moder_tx_packets;
@@ -469,7 +535,7 @@ struct mlx4_en_priv {
int registered;
int allocated;
int stride;
- u64 mac;
+ unsigned char prev_mac[ETH_ALEN + 2];
int mac_index;
unsigned max_mtu;
int base_qpn;
@@ -478,9 +544,8 @@ struct mlx4_en_priv {
struct mlx4_en_rss_map rss_map;
__be32 ctrl_flags;
u32 flags;
-#define MLX4_EN_FLAG_PROMISC 0x1
-#define MLX4_EN_FLAG_MC_PROMISC 0x2
u8 num_tx_rings_p_up;
+ u32 tx_work_limit;
u32 tx_ring_num;
u32 rx_ring_num;
u32 rx_skb_size;
@@ -488,16 +553,20 @@ struct mlx4_en_priv {
u16 num_frags;
u16 log_rx_info;
- struct mlx4_en_tx_ring *tx_ring;
- struct mlx4_en_rx_ring rx_ring[MAX_RX_RINGS];
- struct mlx4_en_cq *tx_cq;
- struct mlx4_en_cq rx_cq[MAX_RX_RINGS];
+ struct mlx4_en_tx_ring **tx_ring;
+ struct mlx4_en_rx_ring *rx_ring[MAX_RX_RINGS];
+ struct mlx4_en_cq **tx_cq;
+ struct mlx4_en_cq *rx_cq[MAX_RX_RINGS];
struct mlx4_qp drop_qp;
- struct work_struct mcast_task;
- struct work_struct mac_task;
+ struct work_struct rx_mode_task;
struct work_struct watchdog_task;
struct work_struct linkstate_task;
struct delayed_work stats_task;
+ struct delayed_work service_task;
+#ifdef CONFIG_MLX4_EN_VXLAN
+ struct work_struct vxlan_add_task;
+ struct work_struct vxlan_del_task;
+#endif
struct mlx4_en_perf_stats pstats;
struct mlx4_en_pkt_stats pkstats;
struct mlx4_en_port_stats port_stats;
@@ -510,6 +579,8 @@ struct mlx4_en_priv {
bool wol;
struct device *ddev;
int base_tx_qpn;
+ struct hlist_head mac_hash[MLX4_EN_MAC_HASH_SIZE];
+ struct hwtstamp_config hwtstamp_config;
#ifdef CONFIG_MLX4_EN_DCB
struct ieee_ets ets;
@@ -521,7 +592,8 @@ struct mlx4_en_priv {
struct list_head filters;
struct hlist_head filter_hash[1 << MLX4_EN_FILTER_HASH_SHIFT];
#endif
-
+ u64 tunnel_reg_id;
+ __be16 vxlan_port;
};
enum mlx4_en_wol {
@@ -529,21 +601,140 @@ enum mlx4_en_wol {
MLX4_EN_WOL_ENABLED = (1ULL << 62),
};
+struct mlx4_mac_entry {
+ struct hlist_node hlist;
+ unsigned char mac[ETH_ALEN + 2];
+ u64 reg_id;
+ struct rcu_head rcu;
+};
+
+#ifdef CONFIG_NET_RX_BUSY_POLL
+static inline void mlx4_en_cq_init_lock(struct mlx4_en_cq *cq)
+{
+ spin_lock_init(&cq->poll_lock);
+ cq->state = MLX4_EN_CQ_STATE_IDLE;
+}
+
+/* called from the device poll rutine to get ownership of a cq */
+static inline bool mlx4_en_cq_lock_napi(struct mlx4_en_cq *cq)
+{
+ int rc = true;
+ spin_lock(&cq->poll_lock);
+ if (cq->state & MLX4_CQ_LOCKED) {
+ WARN_ON(cq->state & MLX4_EN_CQ_STATE_NAPI);
+ cq->state |= MLX4_EN_CQ_STATE_NAPI_YIELD;
+ rc = false;
+ } else
+ /* we don't care if someone yielded */
+ cq->state = MLX4_EN_CQ_STATE_NAPI;
+ spin_unlock(&cq->poll_lock);
+ return rc;
+}
+
+/* returns true is someone tried to get the cq while napi had it */
+static inline bool mlx4_en_cq_unlock_napi(struct mlx4_en_cq *cq)
+{
+ int rc = false;
+ spin_lock(&cq->poll_lock);
+ WARN_ON(cq->state & (MLX4_EN_CQ_STATE_POLL |
+ MLX4_EN_CQ_STATE_NAPI_YIELD));
+
+ if (cq->state & MLX4_EN_CQ_STATE_POLL_YIELD)
+ rc = true;
+ cq->state = MLX4_EN_CQ_STATE_IDLE;
+ spin_unlock(&cq->poll_lock);
+ return rc;
+}
+
+/* called from mlx4_en_low_latency_poll() */
+static inline bool mlx4_en_cq_lock_poll(struct mlx4_en_cq *cq)
+{
+ int rc = true;
+ spin_lock_bh(&cq->poll_lock);
+ if ((cq->state & MLX4_CQ_LOCKED)) {
+ struct net_device *dev = cq->dev;
+ struct mlx4_en_priv *priv = netdev_priv(dev);
+ struct mlx4_en_rx_ring *rx_ring = priv->rx_ring[cq->ring];
+
+ cq->state |= MLX4_EN_CQ_STATE_POLL_YIELD;
+ rc = false;
+ rx_ring->yields++;
+ } else
+ /* preserve yield marks */
+ cq->state |= MLX4_EN_CQ_STATE_POLL;
+ spin_unlock_bh(&cq->poll_lock);
+ return rc;
+}
+
+/* returns true if someone tried to get the cq while it was locked */
+static inline bool mlx4_en_cq_unlock_poll(struct mlx4_en_cq *cq)
+{
+ int rc = false;
+ spin_lock_bh(&cq->poll_lock);
+ WARN_ON(cq->state & (MLX4_EN_CQ_STATE_NAPI));
+
+ if (cq->state & MLX4_EN_CQ_STATE_POLL_YIELD)
+ rc = true;
+ cq->state = MLX4_EN_CQ_STATE_IDLE;
+ spin_unlock_bh(&cq->poll_lock);
+ return rc;
+}
+
+/* true if a socket is polling, even if it did not get the lock */
+static inline bool mlx4_en_cq_busy_polling(struct mlx4_en_cq *cq)
+{
+ WARN_ON(!(cq->state & MLX4_CQ_LOCKED));
+ return cq->state & CQ_USER_PEND;
+}
+#else
+static inline void mlx4_en_cq_init_lock(struct mlx4_en_cq *cq)
+{
+}
+
+static inline bool mlx4_en_cq_lock_napi(struct mlx4_en_cq *cq)
+{
+ return true;
+}
+
+static inline bool mlx4_en_cq_unlock_napi(struct mlx4_en_cq *cq)
+{
+ return false;
+}
+
+static inline bool mlx4_en_cq_lock_poll(struct mlx4_en_cq *cq)
+{
+ return false;
+}
+
+static inline bool mlx4_en_cq_unlock_poll(struct mlx4_en_cq *cq)
+{
+ return false;
+}
+
+static inline bool mlx4_en_cq_busy_polling(struct mlx4_en_cq *cq)
+{
+ return false;
+}
+#endif /* CONFIG_NET_RX_BUSY_POLL */
+
#define MLX4_EN_WOL_DO_MODIFY (1ULL << 63)
+void mlx4_en_update_loopback_state(struct net_device *dev,
+ netdev_features_t features);
+
void mlx4_en_destroy_netdev(struct net_device *dev);
int mlx4_en_init_netdev(struct mlx4_en_dev *mdev, int port,
struct mlx4_en_port_profile *prof);
int mlx4_en_start_port(struct net_device *dev);
-void mlx4_en_stop_port(struct net_device *dev);
+void mlx4_en_stop_port(struct net_device *dev, int detach);
void mlx4_en_free_resources(struct mlx4_en_priv *priv);
int mlx4_en_alloc_resources(struct mlx4_en_priv *priv);
-int mlx4_en_create_cq(struct mlx4_en_priv *priv, struct mlx4_en_cq *cq,
- int entries, int ring, enum cq_type mode);
-void mlx4_en_destroy_cq(struct mlx4_en_priv *priv, struct mlx4_en_cq *cq);
+int mlx4_en_create_cq(struct mlx4_en_priv *priv, struct mlx4_en_cq **pcq,
+ int entries, int ring, enum cq_type mode, int node);
+void mlx4_en_destroy_cq(struct mlx4_en_priv *priv, struct mlx4_en_cq **pcq);
int mlx4_en_activate_cq(struct mlx4_en_priv *priv, struct mlx4_en_cq *cq,
int cq_idx);
void mlx4_en_deactivate_cq(struct mlx4_en_priv *priv, struct mlx4_en_cq *cq);
@@ -551,23 +742,27 @@ int mlx4_en_set_cq_moder(struct mlx4_en_priv *priv, struct mlx4_en_cq *cq);
int mlx4_en_arm_cq(struct mlx4_en_priv *priv, struct mlx4_en_cq *cq);
void mlx4_en_tx_irq(struct mlx4_cq *mcq);
-u16 mlx4_en_select_queue(struct net_device *dev, struct sk_buff *skb);
+u16 mlx4_en_select_queue(struct net_device *dev, struct sk_buff *skb,
+ void *accel_priv, select_queue_fallback_t fallback);
netdev_tx_t mlx4_en_xmit(struct sk_buff *skb, struct net_device *dev);
-int mlx4_en_create_tx_ring(struct mlx4_en_priv *priv, struct mlx4_en_tx_ring *ring,
- int qpn, u32 size, u16 stride);
-void mlx4_en_destroy_tx_ring(struct mlx4_en_priv *priv, struct mlx4_en_tx_ring *ring);
+int mlx4_en_create_tx_ring(struct mlx4_en_priv *priv,
+ struct mlx4_en_tx_ring **pring,
+ int qpn, u32 size, u16 stride,
+ int node, int queue_index);
+void mlx4_en_destroy_tx_ring(struct mlx4_en_priv *priv,
+ struct mlx4_en_tx_ring **pring);
int mlx4_en_activate_tx_ring(struct mlx4_en_priv *priv,
struct mlx4_en_tx_ring *ring,
int cq, int user_prio);
void mlx4_en_deactivate_tx_ring(struct mlx4_en_priv *priv,
struct mlx4_en_tx_ring *ring);
-
+void mlx4_en_set_num_rx_rings(struct mlx4_en_dev *mdev);
int mlx4_en_create_rx_ring(struct mlx4_en_priv *priv,
- struct mlx4_en_rx_ring *ring,
- u32 size, u16 stride);
+ struct mlx4_en_rx_ring **pring,
+ u32 size, u16 stride, int node);
void mlx4_en_destroy_rx_ring(struct mlx4_en_priv *priv,
- struct mlx4_en_rx_ring *ring,
+ struct mlx4_en_rx_ring **pring,
u32 size, u16 stride);
int mlx4_en_activate_rx_rings(struct mlx4_en_priv *priv);
void mlx4_en_deactivate_rx_ring(struct mlx4_en_priv *priv,
@@ -576,6 +771,7 @@ int mlx4_en_process_rx_cq(struct net_device *dev,
struct mlx4_en_cq *cq,
int budget);
int mlx4_en_poll_rx_cq(struct napi_struct *napi, int budget);
+int mlx4_en_poll_tx_cq(struct napi_struct *napi, int budget);
void mlx4_en_fill_qp_context(struct mlx4_en_priv *priv, int size, int stride,
int is_tx, int rss, int qpn, int cqn, int user_prio,
struct mlx4_qp_context *context);
@@ -599,21 +795,33 @@ int mlx4_en_QUERY_PORT(struct mlx4_en_dev *mdev, u8 port);
#ifdef CONFIG_MLX4_EN_DCB
extern const struct dcbnl_rtnl_ops mlx4_en_dcbnl_ops;
+extern const struct dcbnl_rtnl_ops mlx4_en_dcbnl_pfc_ops;
#endif
int mlx4_en_setup_tc(struct net_device *dev, u8 up);
#ifdef CONFIG_RFS_ACCEL
-void mlx4_en_cleanup_filters(struct mlx4_en_priv *priv,
- struct mlx4_en_rx_ring *rx_ring);
+void mlx4_en_cleanup_filters(struct mlx4_en_priv *priv);
#endif
#define MLX4_EN_NUM_SELF_TEST 5
void mlx4_en_ex_selftest(struct net_device *dev, u32 *flags, u64 *buf);
-u64 mlx4_en_mac_to_u64(u8 *addr);
+void mlx4_en_ptp_overflow_check(struct mlx4_en_dev *mdev);
/*
- * Globals
+ * Functions for time stamping
+ */
+u64 mlx4_en_get_cqe_ts(struct mlx4_cqe *cqe);
+void mlx4_en_fill_hwtstamps(struct mlx4_en_dev *mdev,
+ struct skb_shared_hwtstamps *hwts,
+ u64 timestamp);
+void mlx4_en_init_timestamp(struct mlx4_en_dev *mdev);
+void mlx4_en_remove_timestamp(struct mlx4_en_dev *mdev);
+int mlx4_en_timestamp_config(struct net_device *dev,
+ int tx_type,
+ int rx_filter);
+
+/* Globals
*/
extern const struct ethtool_ops mlx4_en_ethtool_ops;
@@ -627,26 +835,26 @@ __printf(3, 4)
int en_print(const char *level, const struct mlx4_en_priv *priv,
const char *format, ...);
-#define en_dbg(mlevel, priv, format, arg...) \
-do { \
- if (NETIF_MSG_##mlevel & priv->msg_enable) \
- en_print(KERN_DEBUG, priv, format, ##arg); \
+#define en_dbg(mlevel, priv, format, ...) \
+do { \
+ if (NETIF_MSG_##mlevel & (priv)->msg_enable) \
+ en_print(KERN_DEBUG, priv, format, ##__VA_ARGS__); \
} while (0)
-#define en_warn(priv, format, arg...) \
- en_print(KERN_WARNING, priv, format, ##arg)
-#define en_err(priv, format, arg...) \
- en_print(KERN_ERR, priv, format, ##arg)
-#define en_info(priv, format, arg...) \
- en_print(KERN_INFO, priv, format, ## arg)
-
-#define mlx4_err(mdev, format, arg...) \
- pr_err("%s %s: " format, DRV_NAME, \
- dev_name(&mdev->pdev->dev), ##arg)
-#define mlx4_info(mdev, format, arg...) \
- pr_info("%s %s: " format, DRV_NAME, \
- dev_name(&mdev->pdev->dev), ##arg)
-#define mlx4_warn(mdev, format, arg...) \
- pr_warning("%s %s: " format, DRV_NAME, \
- dev_name(&mdev->pdev->dev), ##arg)
+#define en_warn(priv, format, ...) \
+ en_print(KERN_WARNING, priv, format, ##__VA_ARGS__)
+#define en_err(priv, format, ...) \
+ en_print(KERN_ERR, priv, format, ##__VA_ARGS__)
+#define en_info(priv, format, ...) \
+ en_print(KERN_INFO, priv, format, ##__VA_ARGS__)
+
+#define mlx4_err(mdev, format, ...) \
+ pr_err(DRV_NAME " %s: " format, \
+ dev_name(&(mdev)->pdev->dev), ##__VA_ARGS__)
+#define mlx4_info(mdev, format, ...) \
+ pr_info(DRV_NAME " %s: " format, \
+ dev_name(&(mdev)->pdev->dev), ##__VA_ARGS__)
+#define mlx4_warn(mdev, format, ...) \
+ pr_warn(DRV_NAME " %s: " format, \
+ dev_name(&(mdev)->pdev->dev), ##__VA_ARGS__)
#endif
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