Commit a401fb81 authored by Bart Van Assche's avatar Bart Van Assche Committed by Jason Gunthorpe
Browse files

RDMA/siw: Increase DMA max_segment_size parameter 

Increase the DMA max_segment_size parameter from 64 KB to 2 GB.

Link: https://lore.kernel.org/r/20191025225830.257535-4-bvanassche@acm.org


Signed-off-by: default avatarBart Van Assche <bvanassche@acm.org>
Reviewed-by: default avatarJason Gunthorpe <jgg@mellanox.com>
Signed-off-by: default avatarJason Gunthorpe <jgg@mellanox.com>
parent 97458fd5

drivers/infiniband/sw/siw/siw.h

+1 −0
Original line number Diff line number Diff line
@@ -70,6 +70,7 @@ struct siw_pd { 


struct siw_device {

	struct ib_device base_dev;

	struct device_dma_parameters dma_parms;

	struct net_device *netdev;

	struct siw_dev_cap attrs;

drivers/infiniband/sw/siw/siw_main.c

+3 −0
Original line number Diff line number Diff line
@@ -382,6 +382,9 @@ static struct siw_device *siw_device_create(struct net_device *netdev) 
	base_dev->phys_port_cnt = 1;

	base_dev->dev.parent = parent;

	base_dev->dev.dma_ops = &dma_virt_ops;

	base_dev->dev.dma_parms = &sdev->dma_parms;

	sdev->dma_parms = (struct device_dma_parameters)

		{ .max_segment_size = SZ_2G };

	base_dev->num_comp_vectors = num_possible_cpus();



	ib_set_device_ops(base_dev, &siw_device_ops);

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