net/hw/rss_ctx.py

70 # Get Rx packet counts for all queues, as a simple list of integers
87     #  - "target": required, which queues we expect to get iperf traffic
88     #  - "empty": optional, which queues should see no traffic at all
89     #  - "noise": optional, which queues we expect to see low traffic;
90     #             used for queues of the main context, since some background
91     #             OS activity may use those queues while we're testing
103                 f"traffic on other queues ({name})':" + str(cnts))
106                 f"traffic on inactive queues ({name}): " + str(cnts))
121         KsftSkipEx("Device has fewer than 3 queues (or doesn't support queue stats)")
165     # Check we only get traffic on the first 2 queues
169     # 2 queues, 20k packets, must be at least 5k per queue
172     # The other queues should be unused
173     ksft_eq(sum(cnts[2:]), 0, "traffic on unused queues: " + str(cnts))
181     # First two queues get less traffic than all the rest
188     By default main RSS table should change to include all queues.
191     queues used in the user-set RSS config.
197     # Start with 4 queues, an arbitrary known number.
203         raise KsftSkipEx("Not enough queues for the test or qstat not supported")
213     # Indirection table should be distributing to all queues.
218     # Increase queues, indirection table should be distributing to all queues.
242     # We should be able to increase queues, but table should be left untouched
269         # change the table to target queues 0 and 2
271         # ntuple rule therefore targets queues 1 and 3
296     indirection table based on the number of enabled queues.
306         raise KsftSkipEx(f"Not enough queues for the test: {ch_max}")
430     The queues will be allocated 2 for each context:
439     # Try to allocate more queues when necessary
447             raise KsftSkipEx("Not enough queues for the test")
451     # Use queues 0 and 1 for normal traffic
527     # Try to allocate more queues when necessary
535             raise KsftSkipEx("Not enough queues for the test")
563     # Use queues 0 and 1 for normal traffic
594     Use 4 queues for the main context, but only queues 2 and 3 for context 1.
608             raise KsftSkipEx("Not enough queues for the test")
637         ksft_eq(sum(cnts[4: ]),     0, "traffic on other queues: " + str(cnts))
654         ksft_eq(sum(cnts[4: ]),     0, "traffic on other queues: " + str(cnts))
726             raise KsftSkipEx("Not enough queues for the test")