[PATCH v2 net-next] ixgbe: Fix endian handling for ACI descriptor registers
From: Dheeraj Reddy Jonnalagadda
Date: Tue Jan 14 2025 - 22:41:56 EST
The ixgbe driver was missing proper endian conversion for ACI descriptor
register operations. Add the necessary conversions when reading and
writing to the registers.
Fixes: 46761fd52a88 ("ixgbe: Add support for E610 FW Admin Command Interface")
Closes: https://scan7.scan.coverity.com/#/project-view/52337/11354?selectedIssue=1602757
Signed-off-by: Dheeraj Reddy Jonnalagadda <dheeraj.linuxdev@xxxxxxxxx>
---
Changelog
v2:
- Updated the patch to include suggested fix
- Updated the commit message to describe the issue
drivers/net/ethernet/intel/ixgbe/ixgbe_e610.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_e610.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_e610.c
index 683c668672d6..3b9017e72d0e 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_e610.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_e610.c
@@ -113,7 +113,7 @@ static int ixgbe_aci_send_cmd_execute(struct ixgbe_hw *hw,
/* Descriptor is written to specific registers */
for (i = 0; i < IXGBE_ACI_DESC_SIZE_IN_DWORDS; i++)
- IXGBE_WRITE_REG(hw, IXGBE_PF_HIDA(i), raw_desc[i]);
+ IXGBE_WRITE_REG(hw, IXGBE_PF_HIDA(i), cpu_to_le32(raw_desc[i]));
/* SW has to set PF_HICR.C bit and clear PF_HICR.SV and
* PF_HICR_EV
@@ -145,7 +145,7 @@ static int ixgbe_aci_send_cmd_execute(struct ixgbe_hw *hw,
if ((hicr & IXGBE_PF_HICR_SV)) {
for (i = 0; i < IXGBE_ACI_DESC_SIZE_IN_DWORDS; i++) {
raw_desc[i] = IXGBE_READ_REG(hw, IXGBE_PF_HIDA(i));
- raw_desc[i] = raw_desc[i];
+ raw_desc[i] = le32_to_cpu(raw_desc[i]);
}
}
@@ -153,7 +153,7 @@ static int ixgbe_aci_send_cmd_execute(struct ixgbe_hw *hw,
if ((hicr & IXGBE_PF_HICR_EV) && !(hicr & IXGBE_PF_HICR_C)) {
for (i = 0; i < IXGBE_ACI_DESC_SIZE_IN_DWORDS; i++) {
raw_desc[i] = IXGBE_READ_REG(hw, IXGBE_PF_HIDA_2(i));
- raw_desc[i] = raw_desc[i];
+ raw_desc[i] = le32_to_cpu(raw_desc[i]);
}
}
--
2.34.1