diff options
Diffstat (limited to 'drivers/net/i40e/base/i40e_common.c')
| -rw-r--r-- | drivers/net/i40e/base/i40e_common.c | 25 |
1 files changed, 23 insertions, 2 deletions
diff --git a/drivers/net/i40e/base/i40e_common.c b/drivers/net/i40e/base/i40e_common.c index de60e2a1..8ba75c73 100644 --- a/drivers/net/i40e/base/i40e_common.c +++ b/drivers/net/i40e/base/i40e_common.c @@ -1348,7 +1348,7 @@ enum i40e_status_code i40e_pf_reset(struct i40e_hw *hw) I40E_GLGEN_RSTCTL_GRSTDEL_MASK) >> I40E_GLGEN_RSTCTL_GRSTDEL_SHIFT; - grst_del = grst_del * 20; + grst_del = min(grst_del * 20, 160U); for (cnt = 0; cnt < grst_del; cnt++) { reg = rd32(hw, I40E_GLGEN_RSTAT); @@ -3574,9 +3574,10 @@ STATIC void i40e_parse_discover_capabilities(struct i40e_hw *hw, void *buff, u32 valid_functions, num_functions; u32 number, logical_id, phys_id; struct i40e_hw_capabilities *p; + enum i40e_status_code status; + u16 id, ocp_cfg_word0; u8 major_rev; u32 i = 0; - u16 id; cap = (struct i40e_aqc_list_capabilities_element_resp *) buff; @@ -3863,6 +3864,26 @@ STATIC void i40e_parse_discover_capabilities(struct i40e_hw *hw, void *buff, hw->num_ports++; } + /* OCP cards case: if a mezz is removed the ethernet port is at + * disabled state in PRTGEN_CNF register. Additional NVM read is + * needed in order to check if we are dealing with OCP card. + * Those cards have 4 PFs at minimum, so using PRTGEN_CNF for counting + * physical ports results in wrong partition id calculation and thus + * not supporting WoL. + */ + if (hw->mac.type == I40E_MAC_X722) { + if (i40e_acquire_nvm(hw, I40E_RESOURCE_READ) == I40E_SUCCESS) { + status = i40e_aq_read_nvm(hw, I40E_SR_EMP_MODULE_PTR, + 2 * I40E_SR_OCP_CFG_WORD0, + sizeof(ocp_cfg_word0), + &ocp_cfg_word0, true, NULL); + if (status == I40E_SUCCESS && + (ocp_cfg_word0 & I40E_SR_OCP_ENABLED)) + hw->num_ports = 4; + i40e_release_nvm(hw); + } + } + valid_functions = p->valid_functions; num_functions = 0; while (valid_functions) { |