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authorDamjan Marion <damarion@cisco.com>2017-05-11 16:53:02 +0200
committerNeale Ranns <nranns@cisco.com>2017-05-15 19:03:22 +0000
commit12059c9b6da0536a74d3003cebed61225a8a8ee7 (patch)
tree59d52a498eb13ef94fa05aa51f5759f00a13c7ba /src
parent7bfa119ead548fcca869bac7e777ce7137dc933b (diff)
dpdk: improve error handling during device initialization
Change-Id: Ib390164abb07ca0d38fd49e7e2e6b4e9ea856405 Signed-off-by: Damjan Marion <damarion@cisco.com>
Diffstat (limited to 'src')
-rw-r--r--src/plugins/dpdk/device/cli.c5
-rw-r--r--src/plugins/dpdk/device/common.c75
-rw-r--r--src/plugins/dpdk/device/device.c49
-rw-r--r--src/plugins/dpdk/device/dpdk.h12
-rw-r--r--src/plugins/dpdk/device/format.c20
-rwxr-xr-xsrc/plugins/dpdk/device/init.c16
6 files changed, 98 insertions, 79 deletions
diff --git a/src/plugins/dpdk/device/cli.c b/src/plugins/dpdk/device/cli.c
index c7e5090d..aeeb772d 100644
--- a/src/plugins/dpdk/device/cli.c
+++ b/src/plugins/dpdk/device/cli.c
@@ -537,7 +537,10 @@ set_dpdk_if_desc (vlib_main_t * vm, unformat_input_t * input,
if (nb_tx_desc != (u32) ~ 0)
xd->nb_tx_desc = nb_tx_desc;
- error = dpdk_device_setup (xd);
+ dpdk_device_setup (xd);
+
+ if (vec_len (xd->errors))
+ return clib_error_return (0, "%U", format_dpdk_device_errors, xd);
done:
unformat_free (line_input);
diff --git a/src/plugins/dpdk/device/common.c b/src/plugins/dpdk/device/common.c
index 79c5888d..1a9688e7 100644
--- a/src/plugins/dpdk/device/common.c
+++ b/src/plugins/dpdk/device/common.c
@@ -24,24 +24,28 @@
#include <dpdk/device/dpdk_priv.h>
#include <vppinfra/error.h>
-clib_error_t *
-dpdk_error_return (clib_error_t * error, char *str, dpdk_device_t * xd,
- int rv)
+void
+dpdk_device_error (dpdk_device_t * xd, char *str, int rv)
{
- return clib_error_return (error, "%s[%d]: %s(%d)", str, xd->device_index,
- rte_strerror (rv), rv);
+ xd->errors = clib_error_return (xd->errors, "%s[port:%d, errno:%d]: %s",
+ str, xd->device_index, rv,
+ rte_strerror (rv));
}
-clib_error_t *
+void
dpdk_device_setup (dpdk_device_t * xd)
{
dpdk_main_t *dm = &dpdk_main;
- clib_error_t *err = 0;
+ vnet_main_t *vnm = vnet_get_main ();
+ vnet_sw_interface_t *sw = vnet_get_sw_interface (vnm, xd->vlib_sw_if_index);
int rv;
int j;
ASSERT (vlib_get_thread_index () == 0);
+ clib_error_free (xd->errors);
+ sw->flags &= ~VNET_SW_INTERFACE_FLAG_ERROR;
+
if (xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP)
{
vnet_hw_interface_set_flags (dm->vnet_main, xd->hw_if_index, 0);
@@ -52,7 +56,10 @@ dpdk_device_setup (dpdk_device_t * xd)
xd->tx_q_used, &xd->port_conf);
if (rv < 0)
- return dpdk_error_return (err, "rte_eth_dev_configure", xd, rv);
+ {
+ dpdk_device_error (xd, "rte_eth_dev_configure", rv);
+ goto error;
+ }
/* Set up one TX-queue per worker thread */
for (j = 0; j < xd->tx_q_used; j++)
@@ -65,7 +72,7 @@ dpdk_device_setup (dpdk_device_t * xd)
rv = rte_eth_tx_queue_setup (xd->device_index, j, xd->nb_tx_desc,
SOCKET_ID_ANY, &xd->tx_conf);
if (rv < 0)
- err = dpdk_error_return (err, "rte_eth_tx_queue_setup", xd, rv);
+ dpdk_device_error (xd, "rte_eth_tx_queue_setup", rv);
}
for (j = 0; j < xd->rx_q_used; j++)
@@ -86,28 +93,40 @@ dpdk_device_setup (dpdk_device_t * xd)
dm->pktmbuf_pools[socket_id]);
if (rv < 0)
- err = dpdk_error_return (err, "rte_eth_rx_queue_setup", xd, rv);
+ dpdk_device_error (xd, "rte_eth_rx_queue_setup", rv);
}
- if (err)
- return err;
+ if (vec_len (xd->errors))
+ goto error;
if (xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP)
- err = dpdk_device_start (xd);
+ dpdk_device_start (xd);
+
+ if (vec_len (xd->errors))
+ goto error;
+
+ return;
- return err;
+error:
+ xd->flags |= DPDK_DEVICE_FLAG_PMD_INIT_FAIL;
+ sw->flags |= VNET_SW_INTERFACE_FLAG_ERROR;
}
-clib_error_t *
+void
dpdk_device_start (dpdk_device_t * xd)
{
int rv;
- clib_error_t *err = 0;
+
+ if (xd->flags & DPDK_DEVICE_FLAG_PMD_INIT_FAIL)
+ return;
rv = rte_eth_dev_start (xd->device_index);
if (rv)
- return dpdk_error_return (err, "rte_eth_dev_start", xd, rv);
+ {
+ dpdk_device_error (xd, "rte_eth_dev_start", rv);
+ return;
+ }
if (xd->default_mac_address)
rv =
@@ -116,7 +135,7 @@ dpdk_device_start (dpdk_device_t * xd)
xd->default_mac_address);
if (rv)
- err = dpdk_error_return (err, "rte_eth_dev_default_mac_addr_set", xd, rv);
+ dpdk_device_error (xd, "rte_eth_dev_default_mac_addr_set", rv);
if (xd->flags & DPDK_DEVICE_FLAG_PROMISC)
rte_eth_promiscuous_enable (xd->device_index);
@@ -135,16 +154,28 @@ dpdk_device_start (dpdk_device_t * xd)
rte_eth_allmulticast_enable (dpdk_port);
}
}
-
- return err;
}
-clib_error_t *
+void
dpdk_device_stop (dpdk_device_t * xd)
{
+ if (xd->flags & DPDK_DEVICE_FLAG_PMD_INIT_FAIL)
+ return;
+
+ rte_eth_allmulticast_disable (xd->device_index);
rte_eth_dev_stop (xd->device_index);
- return 0;
+ /* For bonded interface, stop slave links */
+ if (xd->pmd == VNET_DPDK_PMD_BOND)
+ {
+ u8 slink[16];
+ int nlink = rte_eth_bond_slaves_get (xd->device_index, slink, 16);
+ while (nlink >= 1)
+ {
+ u8 dpdk_port = slink[--nlink];
+ rte_eth_dev_stop (dpdk_port);
+ }
+ }
}
/*
diff --git a/src/plugins/dpdk/device/device.c b/src/plugins/dpdk/device/device.c
index 51d6eacb..6a0b1acf 100644
--- a/src/plugins/dpdk/device/device.c
+++ b/src/plugins/dpdk/device/device.c
@@ -612,38 +612,16 @@ dpdk_interface_admin_up_down (vnet_main_t * vnm, u32 hw_if_index, u32 flags)
uword is_up = (flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP) != 0;
dpdk_main_t *dm = &dpdk_main;
dpdk_device_t *xd = vec_elt_at_index (dm->devices, hif->dev_instance);
- int rv = 0;
+
+ if (xd->flags & DPDK_DEVICE_FLAG_PMD_INIT_FAIL)
+ return clib_error_return (0, "Interface not initialized");
if (is_up)
{
f64 now = vlib_time_now (dm->vlib_main);
if ((xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP) == 0)
- {
- rv = rte_eth_dev_start (xd->device_index);
- if (!rv && xd->default_mac_address)
- rv = rte_eth_dev_default_mac_addr_set (xd->device_index,
- (struct ether_addr *)
- xd->default_mac_address);
- }
-
- if (xd->flags & DPDK_DEVICE_FLAG_PROMISC)
- rte_eth_promiscuous_enable (xd->device_index);
- else
- rte_eth_promiscuous_disable (xd->device_index);
-
- rte_eth_allmulticast_enable (xd->device_index);
-
- if (xd->pmd == VNET_DPDK_PMD_BOND)
- {
- u8 slink[16];
- int nlink = rte_eth_bond_slaves_get (xd->device_index, slink, 16);
- while (nlink >= 1)
- {
- u8 dpdk_port = slink[--nlink];
- rte_eth_allmulticast_enable (dpdk_port);
- }
- }
+ dpdk_device_start (xd);
xd->flags |= DPDK_DEVICE_FLAG_ADMIN_UP;
dpdk_update_counters (xd, now);
@@ -652,27 +630,12 @@ dpdk_interface_admin_up_down (vnet_main_t * vnm, u32 hw_if_index, u32 flags)
else
{
xd->flags &= ~DPDK_DEVICE_FLAG_ADMIN_UP;
-
- rte_eth_allmulticast_disable (xd->device_index);
vnet_hw_interface_set_flags (vnm, xd->hw_if_index, 0);
- rte_eth_dev_stop (xd->device_index);
- /* For bonded interface, stop slave links */
- if (xd->pmd == VNET_DPDK_PMD_BOND)
- {
- u8 slink[16];
- int nlink = rte_eth_bond_slaves_get (xd->device_index, slink, 16);
- while (nlink >= 1)
- {
- u8 dpdk_port = slink[--nlink];
- rte_eth_dev_stop (dpdk_port);
- }
- }
+ if ((xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP) != 0)
+ dpdk_device_stop (xd);
}
- if (rv < 0)
- clib_warning ("rte_eth_dev_%s error: %d", is_up ? "start" : "stop", rv);
-
return /* no error */ 0;
}
diff --git a/src/plugins/dpdk/device/dpdk.h b/src/plugins/dpdk/device/dpdk.h
index 7e974491..6364d163 100644
--- a/src/plugins/dpdk/device/dpdk.h
+++ b/src/plugins/dpdk/device/dpdk.h
@@ -166,7 +166,7 @@ typedef struct
#define DPDK_DEVICE_FLAG_ADMIN_UP (1 << 0)
#define DPDK_DEVICE_FLAG_PROMISC (1 << 1)
#define DPDK_DEVICE_FLAG_PMD (1 << 2)
-
+#define DPDK_DEVICE_FLAG_PMD_INIT_FAIL (1 << 3)
#define DPDK_DEVICE_FLAG_MAYBE_MULTISEG (1 << 4)
#define DPDK_DEVICE_FLAG_HAVE_SUBIF (1 << 5)
#define DPDK_DEVICE_FLAG_HQOS (1 << 6)
@@ -207,6 +207,9 @@ typedef struct
/* mac address */
u8 *default_mac_address;
+
+ /* error string */
+ clib_error_t *errors;
} dpdk_device_t;
#define DPDK_STATS_POLL_INTERVAL (10.0)
@@ -399,9 +402,9 @@ typedef struct
u8 data[256]; /* First 256 data bytes, used for hexdump */
} dpdk_rx_dma_trace_t;
-clib_error_t *dpdk_device_setup (dpdk_device_t * xd);
-clib_error_t *dpdk_device_start (dpdk_device_t * xd);
-clib_error_t *dpdk_device_stop (dpdk_device_t * xd);
+void dpdk_device_setup (dpdk_device_t * xd);
+void dpdk_device_start (dpdk_device_t * xd);
+void dpdk_device_stop (dpdk_device_t * xd);
#define foreach_dpdk_error \
_(NONE, "no error") \
@@ -424,6 +427,7 @@ void dpdk_update_link_state (dpdk_device_t * xd, f64 now);
format_function_t format_dpdk_device_name;
format_function_t format_dpdk_device;
+format_function_t format_dpdk_device_errors;
format_function_t format_dpdk_tx_dma_trace;
format_function_t format_dpdk_rx_dma_trace;
format_function_t format_dpdk_rte_mbuf;
diff --git a/src/plugins/dpdk/device/format.c b/src/plugins/dpdk/device/format.c
index 3b75563d..0b67eae3 100644
--- a/src/plugins/dpdk/device/format.c
+++ b/src/plugins/dpdk/device/format.c
@@ -377,6 +377,20 @@ format_dpdk_tx_offload_caps (u8 * s, va_list * args)
#undef _
u8 *
+format_dpdk_device_errors (u8 * s, va_list * args)
+{
+ dpdk_device_t *xd = va_arg (*args, dpdk_device_t *);
+ clib_error_t *e;
+ uword indent = format_get_indent (s);
+
+ vec_foreach (e, xd->errors)
+ {
+ s = format (s, "%U%v\n", format_white_space, indent, e->what);
+ }
+ return s;
+}
+
+u8 *
format_dpdk_device (u8 * s, va_list * args)
{
u32 dev_instance = va_arg (*args, u32);
@@ -511,6 +525,12 @@ format_dpdk_device (u8 * s, va_list * args)
vec_free (xs);
}
+ if (vec_len (xd->errors))
+ {
+ s = format (s, "%UErrors:\n %U", format_white_space, indent,
+ format_dpdk_device_errors, xd);
+ }
+
return s;
}
diff --git a/src/plugins/dpdk/device/init.c b/src/plugins/dpdk/device/init.c
index 0ee28db5..bcb787c8 100755
--- a/src/plugins/dpdk/device/init.c
+++ b/src/plugins/dpdk/device/init.c
@@ -118,11 +118,7 @@ dpdk_flag_change (vnet_main_t * vnm, vnet_hw_interface_t * hi, u32 flags)
rte_eth_dev_set_mtu (xd->device_index, hi->max_packet_bytes);
if (xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP)
- {
- clib_error_t *error;
- error = dpdk_device_start (xd);
- clib_error_report (error);
- }
+ dpdk_device_start (xd);
}
return old;
@@ -223,7 +219,6 @@ dpdk_lib_init (dpdk_main_t * dm)
u8 vlan_strip = 0;
int j;
struct rte_eth_dev_info dev_info;
- clib_error_t *rv;
struct rte_eth_link l;
dpdk_device_config_t *devconf = 0;
vlib_pci_addr_t pci_addr;
@@ -570,13 +565,16 @@ dpdk_lib_init (dpdk_main_t * dm)
hi = vnet_get_hw_interface (dm->vnet_main, xd->hw_if_index);
- rv = dpdk_device_setup (xd);
+ dpdk_device_setup (xd);
- if (rv)
- return rv;
+ if (vec_len (xd->errors))
+ clib_warning ("setup failed for device %U. Errors:\n %U",
+ format_dpdk_device_name, i,
+ format_dpdk_device_errors, xd);
if (devconf->hqos_enabled)
{
+ clib_error_t *rv;
rv = dpdk_port_setup_hqos (xd, &devconf->hqos);
if (rv)
return rv;