* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
- *
- * $Id: ipoib.h 1358 2004-12-17 22:00:11Z roland $
*/
#ifndef _IPOIB_H
#include <rdma/ib_verbs.h>
#include <rdma/ib_pack.h>
#include <rdma/ib_sa.h>
+#include <linux/inet_lro.h>
/* constants */
-enum {
- IPOIB_PACKET_SIZE = 2048,
- IPOIB_BUF_SIZE = IPOIB_PACKET_SIZE + IB_GRH_BYTES,
+enum ipoib_flush_level {
+ IPOIB_FLUSH_LIGHT,
+ IPOIB_FLUSH_NORMAL,
+ IPOIB_FLUSH_HEAVY
+};
+enum {
IPOIB_ENCAP_LEN = 4,
+ IPOIB_UD_HEAD_SIZE = IB_GRH_BYTES + IPOIB_ENCAP_LEN,
+ IPOIB_UD_RX_SG = 2, /* max buffer needed for 4K mtu */
+
IPOIB_CM_MTU = 0x10000 - 0x10, /* padding to align header to 16 */
IPOIB_CM_BUF_SIZE = IPOIB_CM_MTU + IPOIB_ENCAP_LEN,
IPOIB_CM_HEAD_SIZE = IPOIB_CM_BUF_SIZE % PAGE_SIZE,
IPOIB_CM_RX_SG = ALIGN(IPOIB_CM_BUF_SIZE, PAGE_SIZE) / PAGE_SIZE,
- IPOIB_RX_RING_SIZE = 128,
- IPOIB_TX_RING_SIZE = 64,
+ IPOIB_RX_RING_SIZE = 256,
+ IPOIB_TX_RING_SIZE = 128,
IPOIB_MAX_QUEUE_SIZE = 8192,
IPOIB_MIN_QUEUE_SIZE = 2,
IPOIB_CM_MAX_CONN_QP = 4096,
IPOIB_FLAG_SUBINTERFACE = 5,
IPOIB_MCAST_RUN = 6,
IPOIB_STOP_REAPER = 7,
- IPOIB_MCAST_STARTED = 8,
IPOIB_FLAG_ADMIN_CM = 9,
IPOIB_FLAG_UMCAST = 10,
+ IPOIB_FLAG_CSUM = 11,
IPOIB_MAX_BACKOFF_SECONDS = 16,
IPOIB_MCAST_FLAG_SENDONLY = 1,
IPOIB_MCAST_FLAG_BUSY = 2, /* joining or already joined */
IPOIB_MCAST_FLAG_ATTACHED = 3,
+
+ IPOIB_MAX_LRO_DESCRIPTORS = 8,
+ IPOIB_LRO_MAX_AGGR = 64,
+
+ MAX_SEND_CQE = 16,
+ IPOIB_CM_COPYBREAK = 256,
};
#define IPOIB_OP_RECV (1ul << 31)
struct ipoib_rx_buf {
struct sk_buff *skb;
- u64 mapping;
+ u64 mapping[IPOIB_UD_RX_SG];
};
struct ipoib_tx_buf {
u64 mapping[MAX_SKB_FRAGS + 1];
};
+struct ipoib_cm_tx_buf {
+ struct sk_buff *skb;
+ u64 mapping;
+};
+
struct ib_cm_id;
struct ipoib_cm_data {
struct net_device *dev;
struct ipoib_neigh *neigh;
struct ipoib_path *path;
- struct ipoib_tx_buf *tx_ring;
+ struct ipoib_cm_tx_buf *tx_ring;
unsigned tx_head;
unsigned tx_tail;
unsigned long flags;
int num_frags;
};
+struct ipoib_ethtool_st {
+ u16 coalesce_usecs;
+ u16 max_coalesced_frames;
+};
+
+struct ipoib_lro {
+ struct net_lro_mgr lro_mgr;
+ struct net_lro_desc lro_desc[IPOIB_MAX_LRO_DESCRIPTORS];
+};
+
/*
* Device private locking: tx_lock protects members used in TX fast
* path (and we use LLTX so upper layers don't do extra locking).
unsigned long flags;
- struct mutex mcast_mutex;
struct mutex vlan_mutex;
struct rb_root path_tree;
struct delayed_work pkey_poll_task;
struct delayed_work mcast_task;
- struct work_struct flush_task;
+ struct work_struct flush_light;
+ struct work_struct flush_normal;
+ struct work_struct flush_heavy;
struct work_struct restart_task;
struct delayed_work ah_reap_task;
- struct work_struct pkey_event_task;
struct ib_device *ca;
u8 port;
u16 pkey_index;
struct ib_pd *pd;
struct ib_mr *mr;
- struct ib_cq *cq;
+ struct ib_cq *recv_cq;
+ struct ib_cq *send_cq;
struct ib_qp *qp;
u32 qkey;
unsigned int admin_mtu;
unsigned int mcast_mtu;
+ unsigned int max_ib_mtu;
struct ipoib_rx_buf *rx_ring;
struct ib_sge tx_sge[MAX_SKB_FRAGS + 1];
struct ib_send_wr tx_wr;
unsigned tx_outstanding;
+ struct ib_wc send_wc[MAX_SEND_CQE];
+
+ struct ib_recv_wr rx_wr;
+ struct ib_sge rx_sge[IPOIB_UD_RX_SG];
struct ib_wc ibwc[IPOIB_NUM_WC];
struct dentry *mcg_dentry;
struct dentry *path_dentry;
#endif
+ int hca_caps;
+ struct ipoib_ethtool_st ethtool;
+ struct timer_list poll_timer;
+
+ struct ipoib_lro lro;
};
struct ipoib_ah {
struct rb_node rb_node;
struct list_head list;
+ int valid;
};
struct ipoib_neigh {
struct list_head list;
};
+#define IPOIB_UD_MTU(ib_mtu) (ib_mtu - IPOIB_ENCAP_LEN)
+#define IPOIB_UD_BUF_SIZE(ib_mtu) (ib_mtu + IB_GRH_BYTES)
+
+static inline int ipoib_ud_need_sg(unsigned int ib_mtu)
+{
+ return IPOIB_UD_BUF_SIZE(ib_mtu) > PAGE_SIZE;
+}
+
/*
* We stash a pointer to our private neighbour information after our
* hardware address in neigh->ha. The ALIGN() expression here makes
int ipoib_poll(struct napi_struct *napi, int budget);
void ipoib_ib_completion(struct ib_cq *cq, void *dev_ptr);
+void ipoib_send_comp_handler(struct ib_cq *cq, void *dev_ptr);
struct ipoib_ah *ipoib_create_ah(struct net_device *dev,
struct ib_pd *pd, struct ib_ah_attr *attr);
struct ipoib_ah *address, u32 qpn);
void ipoib_reap_ah(struct work_struct *work);
+void ipoib_mark_paths_invalid(struct net_device *dev);
void ipoib_flush_paths(struct net_device *dev);
struct ipoib_dev_priv *ipoib_intf_alloc(const char *format);
int ipoib_ib_dev_init(struct net_device *dev, struct ib_device *ca, int port);
-void ipoib_ib_dev_flush(struct work_struct *work);
+void ipoib_ib_dev_flush_light(struct work_struct *work);
+void ipoib_ib_dev_flush_normal(struct work_struct *work);
+void ipoib_ib_dev_flush_heavy(struct work_struct *work);
void ipoib_pkey_event(struct work_struct *work);
void ipoib_ib_dev_cleanup(struct net_device *dev);
#endif
int ipoib_mcast_attach(struct net_device *dev, u16 mlid,
- union ib_gid *mgid);
-int ipoib_mcast_detach(struct net_device *dev, u16 mlid,
- union ib_gid *mgid);
+ union ib_gid *mgid, int set_qkey);
int ipoib_init_qp(struct net_device *dev);
int ipoib_transport_dev_init(struct net_device *dev, struct ib_device *ca);
int ipoib_pkey_dev_delay_open(struct net_device *dev);
void ipoib_drain_cq(struct net_device *dev);
+void ipoib_set_ethtool_ops(struct net_device *dev);
+
#ifdef CONFIG_INFINIBAND_IPOIB_CM
#define IPOIB_FLAGS_RC 0x80
static inline void ipoib_unregister_debugfs(void) { }
#endif
-
#define ipoib_printk(level, priv, format, arg...) \
printk(level "%s: " format, ((struct ipoib_dev_priv *) priv)->dev->name , ## arg)
#define ipoib_warn(priv, format, arg...) \
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