Marvell device plugin

Depends in musdk 17.10 [1], tested on MACCHIATObin [2] board.
currently only coves PP2.

musdk must be compiled with:
./configure --enable-bpool-dma=64

[1] https://github.com/MarvellEmbeddedProcessors/musdk-marvell
[2] http://macchiatobin.net

Change-Id: I0247a6b860b0a067c54190eae0bd3fe08de234ad
Signed-off-by: Damjan Marion <damarion@cisco.com>

1 files changed, 201 insertions, 0 deletions

diff --git a/src/plugins/marvell/pp2/format.c b/src/plugins/marvell/pp2/format.c
new file mode 100644
index 00000000000..96b95edccb8
--- /dev/null
+++ b/src/plugins/marvell/pp2/format.c
@@ -0,0 +1,201 @@
+/*
+ *------------------------------------------------------------------
+ * Copyright (c) 2018 Cisco and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *------------------------------------------------------------------
+ */
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <sys/ioctl.h>
+
+#include <vlib/vlib.h>
+#include <vlib/unix/unix.h>
+#include <vppinfra/linux/syscall.h>
+#include <vnet/plugin/plugin.h>
+#include <marvell/pp2/pp2.h>
+
+static inline u32
+mrvl_get_u32_bits (void *start, int offset, int first, int last)
+{
+  u32 value = *(u32 *) (((u8 *) start) + offset);
+  if ((last == 0) && (first == 31))
+    return value;
+  value >>= last;
+  value &= (1 << (first - last + 1)) - 1;
+  return value;
+}
+
+u8 *
+format_mrvl_pp2_interface_name (u8 * s, va_list * args)
+{
+  mrvl_pp2_main_t *ppm = &mrvl_pp2_main;
+  u32 dev_instance = va_arg (*args, u32);
+  mrvl_pp2_if_t *ppif = pool_elt_at_index (ppm->interfaces, dev_instance);
+  return format (s, "mv-ppio%d/%d", ppif->ppio->pp2_id, ppif->ppio->port_id);
+}
+
+#define foreach_ppio_statistics_entry \
+  _(rx_packets) \
+  _(rx_fullq_dropped) \
+  _(rx_bm_dropped) \
+  _(rx_early_dropped) \
+  _(rx_fifo_dropped) \
+  _(rx_cls_dropped) \
+  _(tx_packets)
+
+#define foreach_ppio_inq_statistics_entry \
+  _(enq_desc) \
+  _(drop_early) \
+  _(drop_fullq) \
+  _(drop_bm)
+
+#define foreach_ppio_outq_statistics_entry \
+  _(enq_desc) \
+  _(enq_dec_to_ddr) \
+  _(enq_buf_to_ddr) \
+  _(deq_desc)
+
+u8 *
+format_mrvl_pp2_interface (u8 * s, va_list * args)
+{
+  mrvl_pp2_main_t *ppm = &mrvl_pp2_main;
+  u32 dev_instance = va_arg (*args, u32);
+  u32 indent = format_get_indent (s);
+  mrvl_pp2_if_t *ppif = pool_elt_at_index (ppm->interfaces, dev_instance);
+  struct pp2_ppio_statistics stat;
+  int i;
+  u8 *s2 = 0;
+
+  pp2_ppio_get_statistics (ppif->ppio, &stat, 0);
+
+#define _(c) if (stat.c) \
+  s2 = format (s2, "\n%U%-25U%16Ld", \
+	      format_white_space, indent + 2, \
+	      format_c_identifier, #c, stat.c);
+  foreach_ppio_statistics_entry;
+
+  if (vec_len (s2))
+    s = format (s, "Interface statistics:%v", s2);
+  vec_reset_length (s2);
+
+  vec_foreach_index (i, ppif->inqs)
+  {
+    struct pp2_ppio_inq_statistics stat = { 0 };
+    pp2_ppio_inq_get_statistics (ppif->ppio, 0, i, &stat, 0);
+
+    foreach_ppio_inq_statistics_entry;
+
+    if (vec_len (s2))
+      s = format (s, "\n%UInput queue %u statistics:%v",
+		  format_white_space, indent, i, s2);
+    vec_reset_length (s2);
+  }
+  vec_foreach_index (i, ppif->outqs)
+  {
+    struct pp2_ppio_outq_statistics stat = { 0 };
+
+    pp2_ppio_outq_get_statistics (ppif->ppio, i, &stat, 0);
+
+    foreach_ppio_outq_statistics_entry;
+
+    if (vec_len (s2))
+      s = format (s, "\n%UOutput queue %u statistics:%v",
+		  format_white_space, indent, i, s2);
+    vec_reset_length (s2);
+  }
+#undef _
+  vec_free (s2);
+  return s;
+}
+
+#define foreach_pp2_rx_desc_field \
+  _(0x00,  6,  0, l3_offset) \
+  _(0x00, 12,  8, ip_hdlen) \
+  _(0x00, 14, 13, ec) \
+  _(0x00, 15, 15, es) \
+  _(0x00, 19, 16, pool_id) \
+  _(0x00, 21, 21, hwf_sync) \
+  _(0x00, 22, 22, l4_chk_ok) \
+  _(0x00, 23, 23, ip_frg) \
+  _(0x00, 24, 24, ipv4_hdr_err) \
+  _(0x00, 27, 25, l4_info) \
+  _(0x00, 30, 28, l3_info) \
+  _(0x00, 31, 31, buf_header) \
+  _(0x04,  5,  0, lookup_id) \
+  _(0x04,  8,  6, cpu_code) \
+  _(0x04,  9,  9, pppoe) \
+  _(0x04, 11, 10, l3_cast_info) \
+  _(0x04, 13, 12, l2_cast_info) \
+  _(0x04, 15, 14, vlan_info) \
+  _(0x04, 31, 16, byte_count) \
+  _(0x08, 11,  0, gem_port_id) \
+  _(0x08, 13, 12, color) \
+  _(0x08, 14, 14, gop_sop_u) \
+  _(0x08, 15, 15, key_hash_enable) \
+  _(0x08, 31, 16, l4chk) \
+  _(0x0c, 31,  0, timestamp) \
+  _(0x10, 31,  0, buf_phys_ptr_lo) \
+  _(0x14,  7,  0, buf_phys_ptr_hi) \
+  _(0x14, 31,  8, key_hash) \
+  _(0x18, 31,  0, buf_virt_ptr_lo) \
+  _(0x1c,  7,  0, buf_virt_ptr_hi) \
+  _(0x1c, 14,  8, buf_qset_no) \
+  _(0x1c, 15, 15, buf_type) \
+  _(0x1c, 21, 16, mod_dscp) \
+  _(0x1c, 24, 22, mod_pri) \
+  _(0x1c, 25, 25, mdscp) \
+  _(0x1c, 26, 26, mpri) \
+  _(0x1c, 27, 27, mgpid) \
+  _(0x1c, 31, 29, port_num)
+
+u8 *
+format_mrvl_pp2_input_trace (u8 * s, va_list * args)
+{
+  vlib_main_t *vm = va_arg (*args, vlib_main_t *);
+  vlib_node_t *node = va_arg (*args, vlib_node_t *);
+  mrvl_pp2_input_trace_t *t = va_arg (*args, mrvl_pp2_input_trace_t *);
+  vnet_main_t *vnm = vnet_get_main ();
+  vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, t->hw_if_index);
+  u32 indent = format_get_indent (s);
+  struct pp2_ppio_desc *d = &t->desc;
+  u32 r32;
+
+  s = format (s, "pp2: %v (%d) next-node %U",
+	      hi->name, t->hw_if_index, format_vlib_next_node_name, vm,
+	      node->index, t->next_index);
+  s = format (s, "\n%U", format_white_space, indent + 2);
+
+#define _(a, b, c, n) \
+  r32 = mrvl_get_u32_bits (d, a, b, c);				\
+  if (r32 > 9)							\
+    s = format (s, "%s %u (0x%x)", #n, r32, r32);		\
+  else								\
+    s = format (s, "%s %u", #n,r32);				\
+  if (format_get_indent (s) > 72)				\
+    s = format (s, "\n%U", format_white_space, indent + 2);	\
+  else s = format (s, " ");
+
+  foreach_pp2_rx_desc_field;
+#undef _
+  return s;
+}
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */