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Diffstat (limited to 'drivers/net/i40e/base/i40e_common.c')
-rw-r--r--drivers/net/i40e/base/i40e_common.c25
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) {