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authorChristian Ehrhardt <christian.ehrhardt@canonical.com>2016-12-08 14:07:29 +0100
committerChristian Ehrhardt <christian.ehrhardt@canonical.com>2016-12-08 14:10:05 +0100
commit6b3e017e5d25f15da73f7700f7f2ac553ef1a2e9 (patch)
tree1b1fb3f903b2282e261ade69e3c17952b3fd3464 /tools/dpdk-devbind.py
parent32e04ea00cd159613e04acef75e52bfca6eeff2f (diff)
Imported Upstream version 16.11
Change-Id: I1944c65ddc88a9ad70f8c0eb6731552b84fbcb77 Signed-off-by: Christian Ehrhardt <christian.ehrhardt@canonical.com>
Diffstat (limited to 'tools/dpdk-devbind.py')
-rwxr-xr-xtools/dpdk-devbind.py94
1 files changed, 84 insertions, 10 deletions
diff --git a/tools/dpdk-devbind.py b/tools/dpdk-devbind.py
index 34be4953..f1d374d6 100755
--- a/tools/dpdk-devbind.py
+++ b/tools/dpdk-devbind.py
@@ -40,6 +40,7 @@ from os.path import exists, abspath, dirname, basename
# The PCI base class for NETWORK devices
NETWORK_BASE_CLASS = "02"
+CRYPTO_BASE_CLASS = "0b"
# global dict ethernet devices present. Dictionary indexed by PCI address.
# Each device within this is itself a dictionary of device properties
@@ -72,7 +73,7 @@ Options:
Display usage information and quit
-s, --status:
- Print the current status of all known network interfaces.
+ Print the current status of all known network and crypto devices.
For each device, it displays the PCI domain, bus, slot and function,
along with a text description of the device. Depending upon whether the
device is being used by a kernel driver, the igb_uio driver, or no
@@ -92,7 +93,7 @@ Options:
Unbind a device (Equivalent to \"-b none\")
--force:
- By default, devices which are used by Linux - as indicated by having
+ By default, network devices which are used by Linux - as indicated by having
routes in the routing table - cannot be modified. Using the --force
flag overrides this behavior, allowing active links to be forcibly
unbound.
@@ -300,6 +301,54 @@ def get_nic_details():
devices[d]["Module_str"] = ",".join(modules)
+def get_crypto_details():
+ '''This function populates the "devices" dictionary. The keys used are
+ the pci addresses (domain:bus:slot.func). The values are themselves
+ dictionaries - one for each NIC.'''
+ global devices
+ global dpdk_drivers
+
+ # clear any old data
+ # devices = {}
+ # first loop through and read details for all devices
+ # request machine readable format, with numeric IDs
+ dev = {}
+ dev_lines = check_output(["lspci", "-Dvmmn"]).splitlines()
+ for dev_line in dev_lines:
+ if (len(dev_line) == 0):
+ if (dev["Class"][0:2] == CRYPTO_BASE_CLASS):
+ # convert device and vendor ids to numbers, then add to global
+ dev["Vendor"] = int(dev["Vendor"], 16)
+ dev["Device"] = int(dev["Device"], 16)
+ # use dict to make copy of dev
+ devices[dev["Slot"]] = dict(dev)
+ else:
+ name, value = dev_line.decode().split("\t", 1)
+ dev[name.rstrip(":")] = value
+
+ # based on the basic info, get extended text details
+ for d in devices.keys():
+ # get additional info and add it to existing data
+ devices[d] = devices[d].copy()
+ devices[d].update(get_pci_device_details(d).items())
+
+ # add igb_uio to list of supporting modules if needed
+ if "Module_str" in devices[d]:
+ for driver in dpdk_drivers:
+ if driver not in devices[d]["Module_str"]:
+ devices[d]["Module_str"] = \
+ devices[d]["Module_str"] + ",%s" % driver
+ else:
+ devices[d]["Module_str"] = ",".join(dpdk_drivers)
+
+ # make sure the driver and module strings do not have any duplicates
+ if has_driver(d):
+ modules = devices[d]["Module_str"].split(",")
+ if devices[d]["Driver_str"] in modules:
+ modules.remove(devices[d]["Driver_str"])
+ devices[d]["Module_str"] = ",".join(modules)
+
+
def dev_id_from_dev_name(dev_name):
'''Take a device "name" - a string passed in by user to identify a NIC
device, and determine the device id - i.e. the domain:bus:slot.func - for
@@ -481,15 +530,16 @@ def show_status():
dpdk_drv = []
no_drv = []
- # split our list of devices into the three categories above
+ # split our list of network devices into the three categories above
for d in devices.keys():
- if not has_driver(d):
- no_drv.append(devices[d])
- continue
- if devices[d]["Driver_str"] in dpdk_drivers:
- dpdk_drv.append(devices[d])
- else:
- kernel_drv.append(devices[d])
+ if (NETWORK_BASE_CLASS in devices[d]["Class"]):
+ if not has_driver(d):
+ no_drv.append(devices[d])
+ continue
+ if devices[d]["Driver_str"] in dpdk_drivers:
+ dpdk_drv.append(devices[d])
+ else:
+ kernel_drv.append(devices[d])
# print each category separately, so we can clearly see what's used by DPDK
display_devices("Network devices using DPDK-compatible driver", dpdk_drv,
@@ -499,6 +549,28 @@ def show_status():
"unused=%(Module_str)s %(Active)s")
display_devices("Other network devices", no_drv, "unused=%(Module_str)s")
+ # split our list of crypto devices into the three categories above
+ kernel_drv = []
+ dpdk_drv = []
+ no_drv = []
+
+ for d in devices.keys():
+ if (CRYPTO_BASE_CLASS in devices[d]["Class"]):
+ if not has_driver(d):
+ no_drv.append(devices[d])
+ continue
+ if devices[d]["Driver_str"] in dpdk_drivers:
+ dpdk_drv.append(devices[d])
+ else:
+ kernel_drv.append(devices[d])
+
+ display_devices("Crypto devices using DPDK-compatible driver", dpdk_drv,
+ "drv=%(Driver_str)s unused=%(Module_str)s")
+ display_devices("Crypto devices using kernel driver", kernel_drv,
+ "drv=%(Driver_str)s "
+ "unused=%(Module_str)s")
+ display_devices("Other crypto devices", no_drv, "unused=%(Module_str)s")
+
def parse_args():
'''Parses the command-line arguments given by the user and takes the
@@ -563,6 +635,7 @@ def do_arg_actions():
if status_flag:
if b_flag is not None:
get_nic_details() # refresh if we have changed anything
+ get_crypto_details() # refresh if we have changed anything
show_status()
@@ -571,6 +644,7 @@ def main():
parse_args()
check_modules()
get_nic_details()
+ get_crypto_details()
do_arg_actions()
if __name__ == "__main__":