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net/i40e/base: read LLDP config area with correct endianness

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The NVM is in little endian so when we read from it we need to do
the correct thing for the endianness of the machine.

Cc: stable@dpdk.org

Signed-off-by: Qi Zhang <qi.z.zhang@intel.com>
Acked-by: Beilei Xing <beilei.xing@intel.com>
This commit is contained in:
Qi Zhang 2018-09-25 10:34:30 +08:00 committed by Ferruh Yigit
parent 54f4a22dc1
commit b72611a274
1 changed files with 7 additions and 4 deletions
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11
drivers/net/i40e/base/i40e_dcb.c
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@ -1262,18 +1262,20 @@ static enum i40e_status_code _i40e_read_lldp_cfg(struct i40e_hw *hw,
{
u32 address, offset = (2 * word_offset);
enum i40e_status_code ret;
__le16 raw_mem;
u16 mem;
ret = i40e_acquire_nvm(hw, I40E_RESOURCE_READ);
if (ret != I40E_SUCCESS)
return ret;
ret = i40e_aq_read_nvm(hw, 0x0, module * 2, sizeof(mem), &mem, true,
NULL);
ret = i40e_aq_read_nvm(hw, 0x0, module * 2, sizeof(raw_mem), &raw_mem,
true, NULL);
i40e_release_nvm(hw);
if (ret != I40E_SUCCESS)
return ret;
mem = LE16_TO_CPU(raw_mem);
/* Check if this pointer needs to be read in word size or 4K sector
* units.
*/
@ -1286,12 +1288,13 @@ static enum i40e_status_code _i40e_read_lldp_cfg(struct i40e_hw *hw,
if (ret != I40E_SUCCESS)
goto err_lldp_cfg;
ret = i40e_aq_read_nvm(hw, module, offset, sizeof(mem), &mem, true,
NULL);
ret = i40e_aq_read_nvm(hw, module, offset, sizeof(raw_mem), &raw_mem,
true, NULL);
i40e_release_nvm(hw);
if (ret != I40E_SUCCESS)
return ret;
mem = LE16_TO_CPU(raw_mem);
offset = mem + word_offset;
offset *= 2;