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From: Bruce Richardson <bruce.richardson@intel.com>
To: dev@dpdk.org
Cc: Bruce Richardson <bruce.richardson@intel.com>,
 Lewis Donzis <lew@perftech.com>, Jochen Behrens <jbehrens@vmware.com>,
 Yong Wang <wang.yong19@zte.com.cn>
Subject: [PATCH] net/vmxnet3: fix use of interrupts on FreeBSD
Date: Tue,  9 Jan 2024 14:23:43 +0000
Message-Id: <20240109142343.163814-1-bruce.richardson@intel.com>
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DPDK does not support interrupts on FreeBSD, so the vmxnet3 driver
returns error when enabling interrupts as it initializes. We can fix
this by #ifdef'ing out the interrupt calls when building for FreeBSD,
allowing the driver to initialize correctly.

Fixes: 046f11619567 ("net/vmxnet3: support MSI-X interrupt")

Reported-by: Lewis Donzis <lew@perftech.com>
Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
---
 drivers/net/vmxnet3/vmxnet3_ethdev.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/net/vmxnet3/vmxnet3_ethdev.c b/drivers/net/vmxnet3/vmxnet3_ethdev.c
index e49191718a..7032f0e324 100644
--- a/drivers/net/vmxnet3/vmxnet3_ethdev.c
+++ b/drivers/net/vmxnet3/vmxnet3_ethdev.c
@@ -257,6 +257,7 @@ vmxnet3_disable_all_intrs(struct vmxnet3_hw *hw)
 		vmxnet3_disable_intr(hw, i);
 }
 
+#ifndef RTE_EXEC_ENV_FREEBSD
 /*
  * Enable all intrs used by the device
  */
@@ -280,6 +281,7 @@ vmxnet3_enable_all_intrs(struct vmxnet3_hw *hw)
 			vmxnet3_enable_intr(hw, i);
 	}
 }
+#endif
 
 /*
  * Gets tx data ring descriptor size.
@@ -1129,6 +1131,7 @@ vmxnet3_dev_start(struct rte_eth_dev *dev)
 	/* Setting proper Rx Mode and issue Rx Mode Update command */
 	vmxnet3_dev_set_rxmode(hw, VMXNET3_RXM_UCAST | VMXNET3_RXM_BCAST, 1);
 
+#ifndef RTE_EXEC_ENV_FREEBSD
 	/* Setup interrupt callback  */
 	rte_intr_callback_register(dev->intr_handle,
 				   vmxnet3_interrupt_handler, dev);
@@ -1140,6 +1143,7 @@ vmxnet3_dev_start(struct rte_eth_dev *dev)
 
 	/* enable all intrs */
 	vmxnet3_enable_all_intrs(hw);
+#endif
 
 	vmxnet3_process_events(dev);
 
-- 
2.42.0