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-rw-r--r--src/plugins/avf/avf.h8
-rw-r--r--src/plugins/avf/cli.c3
-rw-r--r--src/plugins/avf/device.c55
-rw-r--r--src/plugins/avf/format.c6
-rw-r--r--src/plugins/avf/input.c3
-rw-r--r--src/plugins/avf/output.c3
6 files changed, 43 insertions, 35 deletions
diff --git a/src/plugins/avf/avf.h b/src/plugins/avf/avf.h
index 4b35899da38..c4c0c13ebb9 100644
--- a/src/plugins/avf/avf.h
+++ b/src/plugins/avf/avf.h
@@ -223,7 +223,7 @@ typedef struct
{
u16 msg_id_base;
- avf_device_t *devices;
+ avf_device_t **devices;
avf_per_thread_data_t *per_thread_data;
vlib_log_class_t log_class;
@@ -256,6 +256,12 @@ format_function_t format_avf_device;
format_function_t format_avf_device_name;
format_function_t format_avf_input_trace;
+static_always_inline avf_device_t *
+avf_get_device (u32 dev_instance)
+{
+ return pool_elt_at_index (avf_main.devices, dev_instance)[0];
+}
+
static inline u32
avf_get_u32 (void *start, int offset)
{
diff --git a/src/plugins/avf/cli.c b/src/plugins/avf/cli.c
index 29c2a6b1f6e..32c19f46590 100644
--- a/src/plugins/avf/cli.c
+++ b/src/plugins/avf/cli.c
@@ -134,7 +134,6 @@ avf_test_command_fn (vlib_main_t * vm, unformat_input_t * input,
unformat_input_t _line_input, *line_input = &_line_input;
u32 sw_if_index = ~0;
vnet_hw_interface_t *hw;
- avf_main_t *am = &avf_main;
avf_device_t *ad;
vnet_main_t *vnm = vnet_get_main ();
int test_irq = 0, enable_elog = 0, disable_elog = 0;
@@ -170,7 +169,7 @@ avf_test_command_fn (vlib_main_t * vm, unformat_input_t * input,
if (hw == NULL || avf_device_class.index != hw->dev_class_index)
return clib_error_return (0, "not a AVF interface");
- ad = pool_elt_at_index (am->devices, hw->dev_instance);
+ ad = avf_get_device (hw->dev_instance);
if (enable_elog)
ad->flags |= AVF_DEVICE_F_ELOG;
diff --git a/src/plugins/avf/device.c b/src/plugins/avf/device.c
index 8a7d74abc74..8b6451e8998 100644
--- a/src/plugins/avf/device.c
+++ b/src/plugins/avf/device.c
@@ -1162,8 +1162,7 @@ static u32
avf_flag_change (vnet_main_t * vnm, vnet_hw_interface_t * hw, u32 flags)
{
vlib_main_t *vm = vlib_get_main ();
- avf_main_t *am = &avf_main;
- avf_device_t *ad = vec_elt_at_index (am->devices, hw->dev_instance);
+ avf_device_t *ad = avf_get_device (hw->dev_instance);
clib_error_t *error;
u8 promisc_enabled;
@@ -1194,11 +1193,12 @@ static uword
avf_process (vlib_main_t * vm, vlib_node_runtime_t * rt, vlib_frame_t * f)
{
avf_main_t *am = &avf_main;
- avf_device_t *ad;
uword *event_data = 0, event_type;
int enabled = 0, irq;
f64 last_run_duration = 0;
f64 last_periodic_time = 0;
+ avf_device_t **dev_pointers = 0;
+ u32 i;
while (1)
{
@@ -1221,7 +1221,7 @@ avf_process (vlib_main_t * vm, vlib_node_runtime_t * rt, vlib_frame_t * f)
case AVF_PROCESS_EVENT_DELETE_IF:
for (int i = 0; i < vec_len (event_data); i++)
{
- ad = pool_elt_at_index (am->devices, event_data[i]);
+ avf_device_t *ad = avf_get_device (event_data[i]);
avf_delete_if (vm, ad, /* with_barrier */ 1);
}
if (pool_elts (am->devices) < 1)
@@ -1239,11 +1239,19 @@ avf_process (vlib_main_t * vm, vlib_node_runtime_t * rt, vlib_frame_t * f)
if (enabled == 0)
continue;
+ /* create local list of device pointers as device pool may grow
+ * during suspend */
+ vec_reset_length (dev_pointers);
/* *INDENT-OFF* */
- pool_foreach (ad, am->devices,
+ pool_foreach_index (i, am->devices,
+ {
+ vec_add1 (dev_pointers, avf_get_device (i));
+ });
+
+ vec_foreach_index (i, dev_pointers)
{
- avf_process_one_device (vm, ad, irq);
- });
+ avf_process_one_device (vm, dev_pointers[i], irq);
+ };
/* *INDENT-ON* */
last_run_duration = vlib_time_now (vm) - last_periodic_time;
}
@@ -1261,9 +1269,8 @@ VLIB_REGISTER_NODE (avf_process_node) = {
static void
avf_irq_0_handler (vlib_main_t * vm, vlib_pci_dev_handle_t h, u16 line)
{
- avf_main_t *am = &avf_main;
uword pd = vlib_pci_get_private_data (vm, h);
- avf_device_t *ad = pool_elt_at_index (am->devices, pd);
+ avf_device_t *ad = avf_get_device (pd);
u32 icr0;
icr0 = avf_reg_read (ad, AVFINT_ICR0);
@@ -1300,9 +1307,8 @@ static void
avf_irq_n_handler (vlib_main_t * vm, vlib_pci_dev_handle_t h, u16 line)
{
vnet_main_t *vnm = vnet_get_main ();
- avf_main_t *am = &avf_main;
uword pd = vlib_pci_get_private_data (vm, h);
- avf_device_t *ad = pool_elt_at_index (am->devices, pd);
+ avf_device_t *ad = avf_get_device (pd);
if (ad->flags & AVF_DEVICE_F_ELOG)
{
@@ -1391,7 +1397,8 @@ avf_delete_if (vlib_main_t * vm, avf_device_t * ad, int with_barrier)
clib_error_free (ad->error);
clib_memset (ad, 0, sizeof (*ad));
- pool_put (am->devices, ad);
+ pool_put_index (am->devices, ad->dev_instance);
+ clib_mem_free (ad);
}
void
@@ -1399,7 +1406,7 @@ avf_create_if (vlib_main_t * vm, avf_create_if_args_t * args)
{
vnet_main_t *vnm = vnet_get_main ();
avf_main_t *am = &avf_main;
- avf_device_t *ad;
+ avf_device_t *ad, **adp;
vlib_pci_dev_handle_t h;
clib_error_t *error = 0;
int i;
@@ -1417,8 +1424,11 @@ avf_create_if (vlib_main_t * vm, avf_create_if_args_t * args)
return;
}
- pool_get (am->devices, ad);
- ad->dev_instance = ad - am->devices;
+ pool_get (am->devices, adp);
+ adp[0] = ad = clib_mem_alloc_aligned (sizeof (avf_device_t),
+ CLIB_CACHE_LINE_BYTES);
+ clib_memset (ad, 0, sizeof (avf_device_t));
+ ad->dev_instance = adp - am->devices;
ad->per_interface_next_index = ~0;
ad->name = vec_dup (args->name);
@@ -1428,7 +1438,8 @@ avf_create_if (vlib_main_t * vm, avf_create_if_args_t * args)
if ((error = vlib_pci_device_open (vm, &args->addr, avf_pci_device_ids,
&h)))
{
- pool_put (am->devices, ad);
+ pool_put (am->devices, adp);
+ clib_mem_free (ad);
args->rv = VNET_API_ERROR_INVALID_INTERFACE;
args->error =
clib_error_return (error, "pci-addr %U", format_vlib_pci_addr,
@@ -1563,8 +1574,7 @@ static clib_error_t *
avf_interface_admin_up_down (vnet_main_t * vnm, u32 hw_if_index, u32 flags)
{
vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, hw_if_index);
- avf_main_t *am = &avf_main;
- avf_device_t *ad = vec_elt_at_index (am->devices, hi->dev_instance);
+ avf_device_t *ad = avf_get_device (hi->dev_instance);
uword is_up = (flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP) != 0;
if (ad->flags & AVF_DEVICE_F_ERROR)
@@ -1588,9 +1598,8 @@ static clib_error_t *
avf_interface_rx_mode_change (vnet_main_t * vnm, u32 hw_if_index, u32 qid,
vnet_hw_interface_rx_mode mode)
{
- avf_main_t *am = &avf_main;
vnet_hw_interface_t *hw = vnet_get_hw_interface (vnm, hw_if_index);
- avf_device_t *ad = pool_elt_at_index (am->devices, hw->dev_instance);
+ avf_device_t *ad = avf_get_device (hw->dev_instance);
avf_rxq_t *rxq = vec_elt_at_index (ad->rxqs, qid);
if (mode == VNET_HW_INTERFACE_RX_MODE_POLLING)
@@ -1620,9 +1629,8 @@ static void
avf_set_interface_next_node (vnet_main_t * vnm, u32 hw_if_index,
u32 node_index)
{
- avf_main_t *am = &avf_main;
vnet_hw_interface_t *hw = vnet_get_hw_interface (vnm, hw_if_index);
- avf_device_t *ad = pool_elt_at_index (am->devices, hw->dev_instance);
+ avf_device_t *ad = avf_get_device (hw->dev_instance);
/* Shut off redirection */
if (node_index == ~0)
@@ -1644,8 +1652,7 @@ static char *avf_tx_func_error_strings[] = {
static void
avf_clear_hw_interface_counters (u32 instance)
{
- avf_main_t *am = &avf_main;
- avf_device_t *ad = vec_elt_at_index (am->devices, instance);
+ avf_device_t *ad = avf_get_device (instance);
clib_memcpy_fast (&ad->last_cleared_eth_stats,
&ad->eth_stats, sizeof (ad->eth_stats));
}
diff --git a/src/plugins/avf/format.c b/src/plugins/avf/format.c
index bc2b94ecc46..e5da0e2bbf6 100644
--- a/src/plugins/avf/format.c
+++ b/src/plugins/avf/format.c
@@ -27,8 +27,7 @@ format_avf_device_name (u8 * s, va_list * args)
{
vlib_main_t *vm = vlib_get_main ();
u32 i = va_arg (*args, u32);
- avf_main_t *am = &avf_main;
- avf_device_t *ad = vec_elt_at_index (am->devices, i);
+ avf_device_t *ad = avf_get_device (i);
vlib_pci_addr_t *addr = vlib_pci_get_addr (vm, ad->pci_dev_handle);
if (ad->name)
@@ -88,8 +87,7 @@ u8 *
format_avf_device (u8 * s, va_list * args)
{
u32 i = va_arg (*args, u32);
- avf_main_t *am = &avf_main;
- avf_device_t *ad = vec_elt_at_index (am->devices, i);
+ avf_device_t *ad = avf_get_device (i);
u32 indent = format_get_indent (s);
u8 *a = 0;
diff --git a/src/plugins/avf/input.c b/src/plugins/avf/input.c
index da5556a391e..0ccf7721835 100644
--- a/src/plugins/avf/input.c
+++ b/src/plugins/avf/input.c
@@ -444,14 +444,13 @@ VLIB_NODE_FN (avf_input_node) (vlib_main_t * vm, vlib_node_runtime_t * node,
vlib_frame_t * frame)
{
u32 n_rx = 0;
- avf_main_t *am = &avf_main;
vnet_device_input_runtime_t *rt = (void *) node->runtime_data;
vnet_device_and_queue_t *dq;
foreach_device_and_queue (dq, rt->devices_and_queues)
{
avf_device_t *ad;
- ad = vec_elt_at_index (am->devices, dq->dev_instance);
+ ad = avf_get_device (dq->dev_instance);
if ((ad->flags & AVF_DEVICE_F_ADMIN_UP) == 0)
continue;
n_rx += avf_device_input_inline (vm, node, frame, ad, dq->queue_id);
diff --git a/src/plugins/avf/output.c b/src/plugins/avf/output.c
index 6c43885569e..e5b53ba5457 100644
--- a/src/plugins/avf/output.c
+++ b/src/plugins/avf/output.c
@@ -267,9 +267,8 @@ VNET_DEVICE_CLASS_TX_FN (avf_device_class) (vlib_main_t * vm,
vlib_node_runtime_t * node,
vlib_frame_t * frame)
{
- avf_main_t *am = &avf_main;
vnet_interface_output_runtime_t *rd = (void *) node->runtime_data;
- avf_device_t *ad = pool_elt_at_index (am->devices, rd->dev_instance);
+ avf_device_t *ad = avf_get_device (rd->dev_instance);
u32 thread_index = vm->thread_index;
u8 qid = thread_index;
avf_txq_t *txq = vec_elt_at_index (ad->txqs, qid % ad->num_queue_pairs);