[PATCH net-next 2/3] liquidio: verify firmware version when auto-loaded from flash.
From: Felix Manlunas <hidden>
Date: 2017-09-23 00:12:52
Subsystem:
cavium liquidio network driver, networking drivers, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
From: Rick Farrington <redacted> Signed-off-by: Rick Farrington <redacted> Signed-off-by: Felix Manlunas <redacted> --- drivers/net/ethernet/cavium/liquidio/lio_main.c | 18 +++++++++++++++++- 1 file changed, 17 insertions(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/cavium/liquidio/lio_main.c b/drivers/net/ethernet/cavium/liquidio/lio_main.c
index ce08f71..a3c9867 100644
--- a/drivers/net/ethernet/cavium/liquidio/lio_main.c
+++ b/drivers/net/ethernet/cavium/liquidio/lio_main.c@@ -3303,7 +3303,7 @@ static int setup_nic_devices(struct octeon_device *octeon_dev) { struct lio *lio = NULL; struct net_device *netdev; - u8 mac[6], i, j; + u8 mac[6], i, j, *fw_ver; struct octeon_soft_command *sc; struct liquidio_if_cfg_context *ctx; struct liquidio_if_cfg_resp *resp;
@@ -3414,6 +3414,22 @@ static int setup_nic_devices(struct octeon_device *octeon_dev) goto setup_nic_dev_fail; } + /* Verify f/w version (in case of 'auto' loading from flash) */ + fw_ver = octeon_dev->fw_info.liquidio_firmware_version; + if (memcmp(LIQUIDIO_BASE_VERSION, + fw_ver, + strlen(LIQUIDIO_BASE_VERSION))) { + dev_err(&octeon_dev->pci_dev->dev, + "Unmatched firmware version. Expected %s.x, got %s.\n", + LIQUIDIO_BASE_VERSION, fw_ver); + goto setup_nic_dev_fail; + } else if (atomic_read(octeon_dev->adapter_fw_state) == + FW_IS_PRELOADED) { + dev_info(&octeon_dev->pci_dev->dev, + "Using auto-loaded firmware version %s.\n", + fw_ver); + } + octeon_swap_8B_data((u64 *)(&resp->cfg_info), (sizeof(struct liquidio_if_cfg_info)) >> 3);
--
1.8.3.1