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2018-03-30net/mlx5e: IPoIB, Fix spelling mistakeTalat Batheesh1-1/+1
Fix spelling mistake in debug message text. "dettaching" -> "detaching" Signed-off-by: Talat Batheesh <talatb@mellanox.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2018-03-30net/mlx5: Change teardown with force mode failure message to warningAlaa Hleihel1-1/+1
With ConnectX-4, we expect the force teardown to fail in case that DC was enabled, therefore change the message from error to warning. Signed-off-by: Alaa Hleihel <alaa@mellanox.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2018-03-30net/mlx5: Eliminate query xsrq dead codeSaeed Mahameed2-22/+0
1. This function is not used anywhere in mlx5 driver 2. It has a memcpy statement that makes no sense and produces build warning with gcc8 drivers/net/ethernet/mellanox/mlx5/core/transobj.c: In function 'mlx5_core_query_xsrq': drivers/net/ethernet/mellanox/mlx5/core/transobj.c:347:3: error: 'memcpy' source argument is the same as destination [-Werror=restrict] Fixes: 01949d0109ee ("net/mlx5_core: Enable XRCs and SRQs when using ISSI > 0") Reported-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2018-03-30net/mlx5e: Use eq ptr from cqSaeed Mahameed1-12/+2
Instead of looking for the EQ of the CQ, remove that redundant code and use the eq pointer stored in the cq struct. Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2018-03-30tc-testing: Add newline when writing test case filesLucas Bates1-0/+1
When using the -i feature to generate random ID numbers for test cases in tdc, the function that writes the JSON to file doesn't add a newline character to the end of the file, so we have to add our own. Signed-off-by: Lucas Bates <lucasb@mojatatu.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-30liquidio: prevent rx queues from getting stalledRaghu Vatsavayi4-19/+53
This commit has fix for RX traffic issues when we stress test the driver with continuous ifconfig up/down under very high traffic conditions. Reason for the issue is that, in existing liquidio_stop function NAPI is disabled even before actual FW/HW interface is brought down via send_rx_ctrl_cmd(lio, 0). Between time frame of NAPI disable and actual interface down in firmware, firmware continuously enqueues rx traffic to host. When interrupt happens for new packets, host irq handler fails in scheduling NAPI as the NAPI is already disabled. After "ifconfig <iface> up", Host re-enables NAPI but cannot schedule it until it receives another Rx interrupt. Host never receives Rx interrupt as it never cleared the Rx interrupt it received during interface down operation. NIC Rx interrupt gets cleared only when Host processes queue and clears the queue counts. Above anomaly leads to other issues like packet overflow in FW/HW queues, backpressure. Fix: This commit fixes this issue by disabling NAPI only after informing firmware to stop queueing packets to host via send_rx_ctrl_cmd(lio, 0). send_rx_ctrl_cmd is not visible in the patch as it is already there in the code. The DOWN command also waits for any pending packets to be processed by NAPI so that the deadlock will not occur. Signed-off-by: Raghu Vatsavayi <raghu.vatsavayi@cavium.com> Acked-by: Derek Chickles <derek.chickles@cavium.com> Signed-off-by: Felix Manlunas <felix.manlunas@cavium.com> Signed-off-by: David S. Miller <davem@davemloft.net>