Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / drivers / net / ethernet / chelsio / cxgb3 / cxgb3_defs.h

diff --git a/kernel/drivers/net/ethernet/chelsio/cxgb3/cxgb3_defs.h b/kernel/drivers/net/ethernet/chelsio/cxgb3/cxgb3_defs.h
new file mode 100644 (file)
index 0000000..920d918
--- /dev/null
+++ b/kernel/drivers/net/ethernet/chelsio/cxgb3/cxgb3_defs.h
@@ -0,0 +1,114 @@
+/*
+ * Copyright (c) 2006-2008 Chelsio, Inc. All rights reserved.
+ *
+ * This software is available to you under a choice of one of two
+ * licenses.  You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ *     Redistribution and use in source and binary forms, with or
+ *     without modification, are permitted provided that the following
+ *     conditions are met:
+ *
+ *      - Redistributions of source code must retain the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer.
+ *
+ *      - Redistributions in binary form must reproduce the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer in the documentation and/or other materials
+ *        provided with the distribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * 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.
+ */
+#ifndef _CHELSIO_DEFS_H
+#define _CHELSIO_DEFS_H
+
+#include <linux/skbuff.h>
+#include <net/tcp.h>
+
+#include "t3cdev.h"
+
+#include "cxgb3_offload.h"
+
+#define VALIDATE_TID 1
+
+void *cxgb_alloc_mem(unsigned long size);
+void cxgb_free_mem(void *addr);
+
+/*
+ * Map an ATID or STID to their entries in the corresponding TID tables.
+ */
+static inline union active_open_entry *atid2entry(const struct tid_info *t,
+                                                 unsigned int atid)
+{
+       return &t->atid_tab[atid - t->atid_base];
+}
+
+static inline union listen_entry *stid2entry(const struct tid_info *t,
+                                            unsigned int stid)
+{
+       return &t->stid_tab[stid - t->stid_base];
+}
+
+/*
+ * Find the connection corresponding to a TID.
+ */
+static inline struct t3c_tid_entry *lookup_tid(const struct tid_info *t,
+                                              unsigned int tid)
+{
+       struct t3c_tid_entry *t3c_tid = tid < t->ntids ?
+           &(t->tid_tab[tid]) : NULL;
+
+       return (t3c_tid && t3c_tid->client) ? t3c_tid : NULL;
+}
+
+/*
+ * Find the connection corresponding to a server TID.
+ */
+static inline struct t3c_tid_entry *lookup_stid(const struct tid_info *t,
+                                               unsigned int tid)
+{
+       union listen_entry *e;
+
+       if (tid < t->stid_base || tid >= t->stid_base + t->nstids)
+               return NULL;
+
+       e = stid2entry(t, tid);
+       if ((void *)e->next >= (void *)t->tid_tab &&
+           (void *)e->next < (void *)&t->atid_tab[t->natids])
+               return NULL;
+
+       return &e->t3c_tid;
+}
+
+/*
+ * Find the connection corresponding to an active-open TID.
+ */
+static inline struct t3c_tid_entry *lookup_atid(const struct tid_info *t,
+                                               unsigned int tid)
+{
+       union active_open_entry *e;
+
+       if (tid < t->atid_base || tid >= t->atid_base + t->natids)
+               return NULL;
+
+       e = atid2entry(t, tid);
+       if ((void *)e->next >= (void *)t->tid_tab &&
+           (void *)e->next < (void *)&t->atid_tab[t->natids])
+               return NULL;
+
+       return &e->t3c_tid;
+}
+
+int attach_t3cdev(struct t3cdev *dev);
+void detach_t3cdev(struct t3cdev *dev);
+#endif