diff options
Diffstat (limited to 'drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c')
| -rw-r--r-- | drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c | 40 |
1 files changed, 24 insertions, 16 deletions
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c index f1f3ca65667a..44556b719e81 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c @@ -1721,6 +1721,29 @@ static void bnx2x_squeeze_objects(struct bnx2x *bp) } while (0) #endif +bool bnx2x_test_firmware_version(struct bnx2x *bp, bool is_err) +{ + /* build FW version dword */ + u32 my_fw = (BCM_5710_FW_MAJOR_VERSION) + + (BCM_5710_FW_MINOR_VERSION << 8) + + (BCM_5710_FW_REVISION_VERSION << 16) + + (BCM_5710_FW_ENGINEERING_VERSION << 24); + + /* read loaded FW from chip */ + u32 loaded_fw = REG_RD(bp, XSEM_REG_PRAM); + + DP(NETIF_MSG_IFUP, "loaded fw %x, my fw %x\n", loaded_fw, my_fw); + + if (loaded_fw != my_fw) { + if (is_err) + BNX2X_ERR("bnx2x with FW %x was already loaded, which mismatches my %x FW. aborting\n", + loaded_fw, my_fw); + return false; + } + + return true; +} + /* must be called with rtnl_lock */ int bnx2x_nic_load(struct bnx2x *bp, int load_mode) { @@ -1815,23 +1838,8 @@ int bnx2x_nic_load(struct bnx2x *bp, int load_mode) } if (load_code != FW_MSG_CODE_DRV_LOAD_COMMON_CHIP && load_code != FW_MSG_CODE_DRV_LOAD_COMMON) { - /* build FW version dword */ - u32 my_fw = (BCM_5710_FW_MAJOR_VERSION) + - (BCM_5710_FW_MINOR_VERSION << 8) + - (BCM_5710_FW_REVISION_VERSION << 16) + - (BCM_5710_FW_ENGINEERING_VERSION << 24); - - /* read loaded FW from chip */ - u32 loaded_fw = REG_RD(bp, XSEM_REG_PRAM); - - DP(BNX2X_MSG_SP, "loaded fw %x, my fw %x", - loaded_fw, my_fw); - /* abort nic load if version mismatch */ - if (my_fw != loaded_fw) { - BNX2X_ERR("bnx2x with FW %x already loaded, " - "which mismatches my %x FW. aborting", - loaded_fw, my_fw); + if (!bnx2x_test_firmware_version(bp, true)) { rc = -EBUSY; LOAD_ERROR_EXIT(bp, load_error2); } |