IB/ipath: support new QLogic product naming scheme

This patch only renames files, fixes product names, and updates
comments.

Signed-off-by: Bryan O'Sullivan <bryan.osullivan@qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>

7 files changed, 68 insertions, 71 deletions

diff --git a/drivers/infiniband/hw/ipath/Makefile b/drivers/infiniband/hw/ipath/Makefile
index 690dc713e63e..5e29cb0095e5 100644
--- a/drivers/infiniband/hw/ipath/Makefile
+++ b/drivers/infiniband/hw/ipath/Makefile
@@ -10,7 +10,8 @@ ib_ipath-y := \
         ipath_eeprom.o \
         ipath_file_ops.o \
         ipath_fs.o \
-        ipath_ht400.o \
+        ipath_iba6110.o \
+        ipath_iba6120.o \
         ipath_init_chip.o \
         ipath_intr.o \
         ipath_keys.o \
@@ -18,7 +19,6 @@ ib_ipath-y := \
         ipath_mad.o \
         ipath_mmap.o \
         ipath_mr.o \
-        ipath_pe800.o \
         ipath_qp.o \
         ipath_rc.o \
         ipath_ruc.o \
diff --git a/drivers/infiniband/hw/ipath/ipath_driver.c b/drivers/infiniband/hw/ipath/ipath_driver.c
index 8c908b30984e..3a15efee7387 100644
--- a/drivers/infiniband/hw/ipath/ipath_driver.c
+++ b/drivers/infiniband/hw/ipath/ipath_driver.c
@@ -401,10 +401,10 @@ static int __devinit ipath_init_one(struct pci_dev *pdev,
         /* setup the chip-specific functions, as early as possible. */
         switch (ent->device) {
         case PCI_DEVICE_ID_INFINIPATH_HT:
-                ipath_init_ht400_funcs(dd);
+                ipath_init_iba6110_funcs(dd);
                 break;
         case PCI_DEVICE_ID_INFINIPATH_PE800:
-                ipath_init_pe800_funcs(dd);
+                ipath_init_iba6120_funcs(dd);
                 break;
         default:
                 ipath_dev_err(dd, "Found unknown QLogic deviceid 0x%x, "
@@ -969,7 +969,8 @@ reloop:
                  */
                 if (l == hdrqtail || (i && !(i&0xf))) {
                         u64 lval;
-                        if (l == hdrqtail) /* PE-800 interrupt only on last */
+                        if (l == hdrqtail)
+                                /* request IBA6120 interrupt only on last */
                                 lval = dd->ipath_rhdrhead_intr_off | l;
                         else
                                 lval = l;
@@ -983,7 +984,7 @@ reloop:
         }
 
         if (!dd->ipath_rhdrhead_intr_off && !reloop) {
-                /* HT-400 workaround; we can have a race clearing chip
+                /* IBA6110 workaround; we can have a race clearing chip
                  * interrupt with another interrupt about to be delivered,
                  * and can clear it before it is delivered on the GPIO
                  * workaround.  By doing the extra check here for the
diff --git a/drivers/infiniband/hw/ipath/ipath_file_ops.c b/drivers/infiniband/hw/ipath/ipath_file_ops.c
index 4080fed2dcd9..6ba9a2d1e6ec 100644
--- a/drivers/infiniband/hw/ipath/ipath_file_ops.c
+++ b/drivers/infiniband/hw/ipath/ipath_file_ops.c
@@ -1110,7 +1110,7 @@ static int ipath_mmap(struct file *fp, struct vm_area_struct *vma)
                 ret = mmap_rcvegrbufs(vma, pd);
         else if (pgaddr == (u64) pd->port_rcvhdrq_phys) {
                 /*
-                 * The rcvhdrq itself; readonly except on HT-400 (so have
+                 * The rcvhdrq itself; readonly except on HT (so have
                  * to allow writable mapping), multiple pages, contiguous
                  * from an i/o perspective.
                  */
@@ -1298,14 +1298,14 @@ static int find_best_unit(struct file *fp)
          * This code is present to allow a knowledgeable person to
          * specify the layout of processes to processors before opening
          * this driver, and then we'll assign the process to the "closest"
-         * HT-400 to that processor (we assume reasonable connectivity,
+         * InfiniPath chip to that processor (we assume reasonable connectivity,
          * for now).  This code assumes that if affinity has been set
          * before this point, that at most one cpu is set; for now this
          * is reasonable.  I check for both cpus_empty() and cpus_full(),
          * in case some kernel variant sets none of the bits when no
          * affinity is set.  2.6.11 and 12 kernels have all present
          * cpus set.  Some day we'll have to fix it up further to handle
-         * a cpu subset.  This algorithm fails for two HT-400's connected
+         * a cpu subset.  This algorithm fails for two HT chips connected
          * in tunnel fashion.  Eventually this needs real topology
          * information.  There may be some issues with dual core numbering
          * as well.  This needs more work prior to release.
diff --git a/drivers/infiniband/hw/ipath/ipath_ht400.c b/drivers/infiniband/hw/ipath/ipath_iba6110.c
index 3db015da6e77..5076738aff32 100644
--- a/drivers/infiniband/hw/ipath/ipath_ht400.c
+++ b/drivers/infiniband/hw/ipath/ipath_iba6110.c
@@ -33,7 +33,7 @@
 
 /*
  * This file contains all of the code that is specific to the InfiniPath
- * HT-400 chip.
+ * HT chip.
  */
 
 #include <linux/pci.h>
@@ -43,7 +43,7 @@
 #include "ipath_registers.h"
 
 /*
- * This lists the InfiniPath HT400 registers, in the actual chip layout.
+ * This lists the InfiniPath registers, in the actual chip layout.
  * This structure should never be directly accessed.
  *
  * The names are in InterCap form because they're taken straight from
@@ -537,7 +537,7 @@ static void ipath_ht_handle_hwerrors(struct ipath_devdata *dd, char *msg,
         if (hwerrs & INFINIPATH_HWE_HTCMISCERR7)
                 strlcat(msg, "[HT core Misc7]", msgl);
         if (hwerrs & INFINIPATH_HWE_MEMBISTFAILED) {
-                strlcat(msg, "[Memory BIST test failed, HT-400 unusable]",
+                strlcat(msg, "[Memory BIST test failed, InfiniPath hardware unusable]",
                         msgl);
                 /* ignore from now on, so disable until driver reloaded */
                 dd->ipath_hwerrmask &= ~INFINIPATH_HWE_MEMBISTFAILED;
@@ -553,7 +553,7 @@ static void ipath_ht_handle_hwerrors(struct ipath_devdata *dd, char *msg,
 
         if (hwerrs & _IPATH_PLL_FAIL) {
                 snprintf(bitsmsg, sizeof bitsmsg,
-                         "[PLL failed (%llx), HT-400 unusable]",
+                         "[PLL failed (%llx), InfiniPath hardware unusable]",
                          (unsigned long long) (hwerrs & _IPATH_PLL_FAIL));
                 strlcat(msg, bitsmsg, msgl);
                 /* ignore from now on, so disable until driver reloaded */
@@ -610,18 +610,18 @@ static int ipath_ht_boardname(struct ipath_devdata *dd, char *name,
                 break;
         case 5:
                 /*
-                 * HT-460 original production board; two production levels, with
+                 * original production board; two production levels, with
                  * different serial number ranges.   See ipath_ht_early_init() for
                  * case where we enable IPATH_GPIO_INTR for later serial # range.
                  */
-                n = "InfiniPath_HT-460";
+                n = "InfiniPath_QHT7040";
                 break;
         case 6:
                 n = "OEM_Board_3";
                 break;
         case 7:
-                /* HT-460 small form factor production board */
-                n = "InfiniPath_HT-465";
+                /* small form factor production board */
+                n = "InfiniPath_QHT7140";
                 break;
         case 8:
                 n = "LS/X-1";
@@ -633,7 +633,7 @@ static int ipath_ht_boardname(struct ipath_devdata *dd, char *name,
                 n = "OEM_Board_2";
                 break;
         case 11:
-                n = "InfiniPath_HT-470";
+                n = "InfiniPath_HT-470"; /* obsoleted */
                 break;
         case 12:
                 n = "OEM_Board_4";
@@ -641,7 +641,7 @@ static int ipath_ht_boardname(struct ipath_devdata *dd, char *name,
         default:                /* don't know, just print the number */
                 ipath_dev_err(dd, "Don't yet know about board "
                               "with ID %u\n", boardrev);
-                snprintf(name, namelen, "Unknown_InfiniPath_HT-4xx_%u",
+                snprintf(name, namelen, "Unknown_InfiniPath_QHT7xxx_%u",
                          boardrev);
                 break;
         }
@@ -650,11 +650,10 @@ static int ipath_ht_boardname(struct ipath_devdata *dd, char *name,
 
         if (dd->ipath_majrev != 3 || (dd->ipath_minrev < 2 || dd->ipath_minrev > 3)) {
                 /*
-                 * This version of the driver only supports the HT-400
-                 * Rev 3.2
+                 * This version of the driver only supports Rev 3.2 and 3.3
                  */
                 ipath_dev_err(dd,
-                              "Unsupported HT-400 revision %u.%u!\n",
+                              "Unsupported InfiniPath hardware revision %u.%u!\n",
                               dd->ipath_majrev, dd->ipath_minrev);
                 ret = 1;
                 goto bail;
@@ -738,7 +737,7 @@ static void ipath_check_htlink(struct ipath_devdata *dd)
 
 static int ipath_setup_ht_reset(struct ipath_devdata *dd)
 {
-        ipath_dbg("No reset possible for HT-400\n");
+        ipath_dbg("No reset possible for this InfiniPath hardware\n");
         return 0;
 }
 
@@ -925,7 +924,7 @@ static int set_int_handler(struct ipath_devdata *dd, struct pci_dev *pdev,
 
         /*
          * kernels with CONFIG_PCI_MSI set the vector in the irq field of
-         * struct pci_device, so we use that to program the HT-400 internal
+         * struct pci_device, so we use that to program the internal
          * interrupt register (not config space) with that value. The BIOS
          * must still have done the basic MSI setup.
          */
@@ -1013,7 +1012,7 @@ bail:
  * @dd: the infinipath device
  *
  * Called during driver unload.
- * This is currently a nop for the HT-400, not for all chips
+ * This is currently a nop for the HT chip, not for all chips
  */
 static void ipath_setup_ht_cleanup(struct ipath_devdata *dd)
 {
@@ -1470,7 +1469,7 @@ static int ipath_ht_early_init(struct ipath_devdata *dd)
         dd->ipath_rcvhdrsize = IPATH_DFLT_RCVHDRSIZE;
 
         /*
-         * For HT-400, we allocate a somewhat overly large eager buffer,
+         * For HT, we allocate a somewhat overly large eager buffer,
          * such that we can guarantee that we can receive the largest
          * packet that we can send out.  To truly support a 4KB MTU,
          * we need to bump this to a large value.  To date, other than
@@ -1531,7 +1530,7 @@ static int ipath_ht_early_init(struct ipath_devdata *dd)
         if(dd->ipath_boardrev == 5 && dd->ipath_serial[0] == '1' &&
                 dd->ipath_serial[1] == '2' && dd->ipath_serial[2] == '8') {
                 /*
-                 * Later production HT-460 has same changes as HT-465, so
+                 * Later production QHT7040 has same changes as QHT7140, so
                  * can use GPIO interrupts.  They have serial #'s starting
                  * with 128, rather than 112.
                  */
@@ -1560,13 +1559,13 @@ static int ipath_ht_get_base_info(struct ipath_portdata *pd, void *kbase)
 }
 
 /**
- * ipath_init_ht400_funcs - set up the chip-specific function pointers
+ * ipath_init_iba6110_funcs - set up the chip-specific function pointers
  * @dd: the infinipath device
  *
  * This is global, and is called directly at init to set up the
  * chip-specific function pointers for later use.
  */
-void ipath_init_ht400_funcs(struct ipath_devdata *dd)
+void ipath_init_iba6110_funcs(struct ipath_devdata *dd)
 {
         dd->ipath_f_intrsetup = ipath_ht_intconfig;
         dd->ipath_f_bus = ipath_setup_ht_config;
diff --git a/drivers/infiniband/hw/ipath/ipath_pe800.c b/drivers/infiniband/hw/ipath/ipath_iba6120.c
index b83f66d8262c..f4233baaa338 100644
--- a/drivers/infiniband/hw/ipath/ipath_pe800.c
+++ b/drivers/infiniband/hw/ipath/ipath_iba6120.c
@@ -32,7 +32,7 @@
  */
 /*
  * This file contains all of the code that is specific to the
- * InfiniPath PE-800 chip.
+ * InfiniPath PCIe chip.
  */
 
 #include <linux/interrupt.h>
@@ -45,9 +45,9 @@
 
 /*
  * This file contains all the chip-specific register information and
- * access functions for the QLogic InfiniPath PE800, the PCI-Express chip.
+ * access functions for the QLogic InfiniPath PCI-Express chip.
  *
- * This lists the InfiniPath PE800 registers, in the actual chip layout.
+ * This lists the InfiniPath registers, in the actual chip layout.
  * This structure should never be directly accessed.
  */
 struct _infinipath_do_not_use_kernel_regs {
@@ -213,7 +213,6 @@ static const struct ipath_kregs ipath_pe_kregs = {
         .kr_rcvhdraddr = IPATH_KREG_OFFSET(RcvHdrAddr0),
         .kr_rcvhdrtailaddr = IPATH_KREG_OFFSET(RcvHdrTailAddr0),
 
-        /* This group is pe-800-specific; and used only in this file */
         /* The rcvpktled register controls one of the debug port signals, so
          * a packet activity LED can be connected to it. */
         .kr_rcvpktledcnt = IPATH_KREG_OFFSET(RcvPktLEDCnt),
@@ -388,7 +387,7 @@ static void ipath_pe_handle_hwerrors(struct ipath_devdata *dd, char *msg,
         *msg = '\0';
 
         if (hwerrs & INFINIPATH_HWE_MEMBISTFAILED) {
-                strlcat(msg, "[Memory BIST test failed, PE-800 unusable]",
+                strlcat(msg, "[Memory BIST test failed, InfiniPath hardware unusable]",
                         msgl);
                 /* ignore from now on, so disable until driver reloaded */
                 *dd->ipath_statusp |= IPATH_STATUS_HWERROR;
@@ -433,7 +432,7 @@ static void ipath_pe_handle_hwerrors(struct ipath_devdata *dd, char *msg,
 
         if (hwerrs & _IPATH_PLL_FAIL) {
                 snprintf(bitsmsg, sizeof bitsmsg,
-                         "[PLL failed (%llx), PE-800 unusable]",
+                         "[PLL failed (%llx), InfiniPath hardware unusable]",
                          (unsigned long long) hwerrs & _IPATH_PLL_FAIL);
                 strlcat(msg, bitsmsg, msgl);
                 /* ignore from now on, so disable until driver reloaded */
@@ -511,22 +510,25 @@ static int ipath_pe_boardname(struct ipath_devdata *dd, char *name,
                 n = "InfiniPath_Emulation";
                 break;
         case 1:
-                n = "InfiniPath_PE-800-Bringup";
+                n = "InfiniPath_QLE7140-Bringup";
                 break;
         case 2:
-                n = "InfiniPath_PE-880";
+                n = "InfiniPath_QLE7140";
                 break;
         case 3:
-                n = "InfiniPath_PE-850";
+                n = "InfiniPath_QMI7140";
                 break;
         case 4:
-                n = "InfiniPath_PE-860";
+                n = "InfiniPath_QEM7140";
+                break;
+        case 5:
+                n = "InfiniPath_QMH7140";
                 break;
         default:
                 ipath_dev_err(dd,
                               "Don't yet know about board with ID %u\n",
                               boardrev);
-                snprintf(name, namelen, "Unknown_InfiniPath_PE-8xx_%u",
+                snprintf(name, namelen, "Unknown_InfiniPath_PCIe_%u",
                          boardrev);
                 break;
         }
@@ -534,7 +536,7 @@ static int ipath_pe_boardname(struct ipath_devdata *dd, char *name,
                 snprintf(name, namelen, "%s", n);
 
         if (dd->ipath_majrev != 4 || !dd->ipath_minrev || dd->ipath_minrev>2) {
-                ipath_dev_err(dd, "Unsupported PE-800 revision %u.%u!\n",
+                ipath_dev_err(dd, "Unsupported InfiniPath hardware revision %u.%u!\n",
                               dd->ipath_majrev, dd->ipath_minrev);
                 ret = 1;
         } else
@@ -705,7 +707,7 @@ static void ipath_pe_quiet_serdes(struct ipath_devdata *dd)
         ipath_write_kreg(dd, dd->ipath_kregs->kr_serdesconfig0, val);
 }
 
-/* this is not yet needed on the PE800, so just return 0. */
+/* this is not yet needed on this chip, so just return 0. */
 static int ipath_pe_intconfig(struct ipath_devdata *dd)
 {
         return 0;
@@ -759,8 +761,8 @@ static void ipath_setup_pe_setextled(struct ipath_devdata *dd, u64 lst,
  *
  * This is called during driver unload.
  * We do the pci_disable_msi here, not in generic code, because it
- * isn't used for the HT-400. If we do end up needing pci_enable_msi
- * at some point in the future for HT-400, we'll move the call back
+ * isn't used for the HT chips. If we do end up needing pci_enable_msi
+ * at some point in the future for HT, we'll move the call back
  * into the main init_one code.
  */
 static void ipath_setup_pe_cleanup(struct ipath_devdata *dd)
@@ -780,10 +782,10 @@ static void ipath_setup_pe_cleanup(struct ipath_devdata *dd)
  * late in 2.6.16).
  * All that can be done is to edit the kernel source to remove the quirk
  * check until that is fixed.
- * We do not need to call enable_msi() for our HyperTransport chip (HT-400),
- * even those it uses MSI, and we want to avoid the quirk warning, so
- * So we call enable_msi only for the PE-800.  If we do end up needing
- * pci_enable_msi at some point in the future for HT-400, we'll move the
+ * We do not need to call enable_msi() for our HyperTransport chip,
+ * even though it uses MSI, and we want to avoid the quirk warning, so
+ * So we call enable_msi only for PCIe.  If we do end up needing
+ * pci_enable_msi at some point in the future for HT, we'll move the
  * call back into the main init_one code.
  * We save the msi lo and hi values, so we can restore them after
  * chip reset (the kernel PCI infrastructure doesn't yet handle that
@@ -971,8 +973,7 @@ static int ipath_setup_pe_reset(struct ipath_devdata *dd)
         int ret;
 
         /* Use ERROR so it shows up in logs, etc. */
-        ipath_dev_err(dd, "Resetting PE-800 unit %u\n",
-                      dd->ipath_unit);
+        ipath_dev_err(dd, "Resetting InfiniPath unit %u\n", dd->ipath_unit);
         /* keep chip from being accessed in a few places */
         dd->ipath_flags &= ~(IPATH_INITTED|IPATH_PRESENT);
         val = dd->ipath_control | INFINIPATH_C_RESET;
@@ -1078,7 +1079,7 @@ static void ipath_pe_put_tid(struct ipath_devdata *dd, u64 __iomem *tidptr,
  * @port: the port
  *
  * clear all TID entries for a port, expected and eager.
- * Used from ipath_close().  On PE800, TIDs are only 32 bits,
+ * Used from ipath_close().  On this chip, TIDs are only 32 bits,
  * not 64, but they are still on 64 bit boundaries, so tidbase
  * is declared as u64 * for the pointer math, even though we write 32 bits
  */
@@ -1148,9 +1149,9 @@ static int ipath_pe_early_init(struct ipath_devdata *dd)
         dd->ipath_flags |= IPATH_4BYTE_TID;
 
         /*
-         * For openib, we need to be able to handle an IB header of 96 bytes
-         * or 24 dwords.  HT-400 has arbitrary sized receive buffers, so we
-         * made them the same size as the PIO buffers.  The PE-800 does not
+         * For openfabrics, we need to be able to handle an IB header of
+         * 24 dwords.  HT chip has arbitrary sized receive buffers, so we
+         * made them the same size as the PIO buffers.  This chip does not
          * handle arbitrary size buffers, so we need the header large enough
          * to handle largest IB header, but still have room for a 2KB MTU
          * standard IB packet.
@@ -1158,11 +1159,10 @@ static int ipath_pe_early_init(struct ipath_devdata *dd)
         dd->ipath_rcvhdrentsize = 24;
         dd->ipath_rcvhdrsize = IPATH_DFLT_RCVHDRSIZE;
 
-        /* For HT-400, we allocate a somewhat overly large eager buffer,
-         * such that we can guarantee that we can receive the largest packet
-         * that we can send out.  To truly support a 4KB MTU, we need to
-         * bump this to a larger value.  We'll do this when I get around to
-         * testing 4KB sends on the PE-800, which I have not yet done.
+        /*
+         * To truly support a 4KB MTU (for usermode), we need to
+         * bump this to a larger value.  For now, we use them for
+         * the kernel only.
          */
         dd->ipath_rcvegrbufsize = 2048;
         /*
@@ -1175,9 +1175,9 @@ static int ipath_pe_early_init(struct ipath_devdata *dd)
         dd->ipath_init_ibmaxlen = dd->ipath_ibmaxlen;
 
         /*
-         * For PE-800, we can request a receive interrupt for 1 or
+         * We can request a receive interrupt for 1 or
          * more packets from current offset.  For now, we set this
-         * up for a single packet, to match the HT-400 behavior.
+         * up for a single packet.
          */
         dd->ipath_rhdrhead_intr_off = 1ULL<<32;
 
@@ -1216,13 +1216,13 @@ static int ipath_pe_get_base_info(struct ipath_portdata *pd, void *kbase)
 }
 
 /**
- * ipath_init_pe800_funcs - set up the chip-specific function pointers
+ * ipath_init_iba6120_funcs - set up the chip-specific function pointers
  * @dd: the infinipath device
  *
  * This is global, and is called directly at init to set up the
  * chip-specific function pointers for later use.
  */
-void ipath_init_pe800_funcs(struct ipath_devdata *dd)
+void ipath_init_iba6120_funcs(struct ipath_devdata *dd)
 {
         dd->ipath_f_intrsetup = ipath_pe_intconfig;
         dd->ipath_f_bus = ipath_setup_pe_config;
diff --git a/drivers/infiniband/hw/ipath/ipath_kernel.h b/drivers/infiniband/hw/ipath/ipath_kernel.h
index f8accc79b92f..2530686f6893 100644
--- a/drivers/infiniband/hw/ipath/ipath_kernel.h
+++ b/drivers/infiniband/hw/ipath/ipath_kernel.h
@@ -236,7 +236,7 @@ struct ipath_devdata {
         u64 ipath_tidtemplate;
         /* value to write to free TIDs */
         u64 ipath_tidinvalid;
-        /* PE-800 rcv interrupt setup */
+        /* IBA6120 rcv interrupt setup */
         u64 ipath_rhdrhead_intr_off;
 
         /* size of memory at ipath_kregbase */
@@ -621,10 +621,8 @@ void ipath_free_data(struct ipath_portdata *dd);
 int ipath_waitfor_mdio_cmdready(struct ipath_devdata *);
 int ipath_waitfor_complete(struct ipath_devdata *, ipath_kreg, u64, u64 *);
 u32 __iomem *ipath_getpiobuf(struct ipath_devdata *, u32 *);
-/* init PE-800-specific func */
-void ipath_init_pe800_funcs(struct ipath_devdata *);
-/* init HT-400-specific func */
-void ipath_init_ht400_funcs(struct ipath_devdata *);
+void ipath_init_iba6120_funcs(struct ipath_devdata *);
+void ipath_init_iba6110_funcs(struct ipath_devdata *);
 void ipath_get_eeprom_info(struct ipath_devdata *);
 u64 ipath_snap_cntr(struct ipath_devdata *, ipath_creg);
 
diff --git a/drivers/infiniband/hw/ipath/ipath_registers.h b/drivers/infiniband/hw/ipath/ipath_registers.h
index 89df8f5ea998..f08c86088ca4 100644
--- a/drivers/infiniband/hw/ipath/ipath_registers.h
+++ b/drivers/infiniband/hw/ipath/ipath_registers.h
@@ -36,8 +36,7 @@
 
 /*
  * This file should only be included by kernel source, and by the diags.  It
- * defines the registers, and their contents, for the InfiniPath HT-400
- * chip.
+ * defines the registers, and their contents, for InfiniPath chips.
  */
 
 /*
@@ -286,7 +285,7 @@
 
 #define INFINIPATH_RT_ADDR_MASK 0xFFFFFFFFFFULL /* 40 bits valid */
 
-/* TID entries (memory), HT400-only */
+/* TID entries (memory), HT-only */
 #define INFINIPATH_RT_VALID 0x8000000000000000ULL
 #define INFINIPATH_RT_ADDR_SHIFT 0
 #define INFINIPATH_RT_BUFSIZE_MASK 0x3FFF