[dpdk-dev] [PATCH 3/3] nfp: set device dma mask
Alejandro Lucero
alejandro.lucero at netronome.com
Thu May 12 16:34:00 CEST 2016
- Just hugepages within the supported range will be available.
Signed-off-by: Alejandro Lucero <alejandro.lucero at netronome.com>
---
drivers/net/nfp/nfp_net.c | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/drivers/net/nfp/nfp_net.c b/drivers/net/nfp/nfp_net.c
index ea5a2a3..e0e444a 100644
--- a/drivers/net/nfp/nfp_net.c
+++ b/drivers/net/nfp/nfp_net.c
@@ -115,6 +115,14 @@ enum nfp_qcp_ptr {
NFP_QCP_WRITE_PTR
};
+#ifndef DMA_64BIT_MASK
+#define DMA_64BIT_MASK 0xffffffffffffffffULL
+#endif
+
+#ifndef DMA_BIT_MASK
+#define DMA_BIT_MASK(n) (((n) == 64) ? DMA_64BIT_MASK : ((1ULL<<(n))-1))
+#endif
+
/*
* nfp_qcp_ptr_add - Add the value to the selected pointer of a queue
* @q: Base address for queue structure
@@ -2441,6 +2449,9 @@ nfp_net_init(struct rte_eth_dev *eth_dev)
/* Recording current stats counters values */
nfp_net_stats_reset(eth_dev);
+ /* Setting dma_mask */
+ eth_dev->data->dma_mask = DMA_BIT_MASK(40);
+
return 0;
}
--
1.9.1
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