diff mbox series

[2/6] ethdev: add function for checking IOVAs by a device

Message ID 1530552423-32301-3-git-send-email-alejandro.lucero@netronome.com (mailing list archive)
State Superseded, archived
Delegated to: Thomas Monjalon
Headers
Series Use IOVAs check based on DMA mask |

Checks

Context Check Description
ci/checkpatch success coding style OK
ci/Intel-compilation fail Compilation issues

Commit Message

Alejandro Lucero July 2, 2018, 5:26 p.m. UTC 
  A PMD should invoke this function for checking memsegs iovas are within
the supported range by the device.

Signed-off-by: Alejandro Lucero <alejandro.lucero@netronome.com>
---
 lib/librte_ether/rte_ethdev.h | 13 +++++++++++++
 1 file changed, 13 insertions(+)
diff mbox series

Patch

diff --git a/lib/librte_ether/rte_ethdev.h b/lib/librte_ether/rte_ethdev.h
index eba11ca..e51a432 100644
--- a/lib/librte_ether/rte_ethdev.h
+++ b/lib/librte_ether/rte_ethdev.h
@@ -2799,6 +2799,19 @@  int rte_eth_dev_set_vlan_ether_type(uint16_t port_id,
 int rte_eth_dev_set_vlan_pvid(uint16_t port_id, uint16_t pvid, int on);
 
 /**
+ * check device dma mask within expected range based on dma mask.
+ *
+ * @param maskbits
+ *  mask length in bits
+ *
+ */
+static inline int
+rte_eth_dev_check_dma_mask(uint8_t maskbits)
+{
+	return rte_eal_check_dma_mask(maskbits);
+}
+
+/**
  *
  * Retrieve a burst of input packets from a receive queue of an Ethernet
  * device. The retrieved packets are stored in *rte_mbuf* structures whose