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ice: Store number of functions for the device

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Store the number of functions the device has and use this number when
setting safe mode capabilities instead of calculating it.

Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Co-developed-by: Kevin Scott <kevin.c.scott@intel.com>
Signed-off-by: Kevin Scott <kevin.c.scott@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This commit is contained in:
Bruce Allan 2019-11-08 06:23:17 -08:00 committed by Jeff Kirsher
parent 3243e04ab1
commit eae1bbb2a4
2 changed files with 11 additions and 11 deletions
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21
drivers/net/ethernet/intel/ice/ice_common.c
View File

@ -1673,6 +1673,10 @@ ice_parse_caps(struct ice_hw *hw, void *buf, u32 cap_count,
ice_debug(hw, ICE_DBG_INIT,
"%s: valid_functions (bitmap) = %d\n", prefix,
caps->valid_functions);
/* store func count for resource management purposes */
if (dev_p)
dev_p->num_funcs = hweight32(number);
break;
case ICE_AQC_CAPS_SRIOV:
caps->sr_iov_1_1 = (number == 1);
@ -1875,8 +1879,7 @@ void ice_set_safe_mode_caps(struct ice_hw *hw)
struct ice_hw_dev_caps *dev_caps = &hw->dev_caps;
u32 valid_func, rxq_first_id, txq_first_id;
u32 msix_vector_first_id, max_mtu;
u32 num_func = 0;
u8 i;
u32 num_funcs;
/* cache some func_caps values that should be restored after memset */
valid_func = func_caps->common_cap.valid_functions;
@ -1909,6 +1912,7 @@ void ice_set_safe_mode_caps(struct ice_hw *hw)
rxq_first_id = dev_caps->common_cap.rxq_first_id;
msix_vector_first_id = dev_caps->common_cap.msix_vector_first_id;
max_mtu = dev_caps->common_cap.max_mtu;
num_funcs = dev_caps->num_funcs;
/* unset dev capabilities */
memset(dev_caps, 0, sizeof(*dev_caps));
@ -1919,19 +1923,14 @@ void ice_set_safe_mode_caps(struct ice_hw *hw)
dev_caps->common_cap.rxq_first_id = rxq_first_id;
dev_caps->common_cap.msix_vector_first_id = msix_vector_first_id;
dev_caps->common_cap.max_mtu = max_mtu;
/* valid_func is a bitmap. get number of functions */
#define ICE_MAX_FUNCS 8
for (i = 0; i < ICE_MAX_FUNCS; i++)
if (valid_func & BIT(i))
num_func++;
dev_caps->num_funcs = num_funcs;
/* one Tx and one Rx queue per function in safe mode */
dev_caps->common_cap.num_rxq = num_func;
dev_caps->common_cap.num_txq = num_func;
dev_caps->common_cap.num_rxq = num_funcs;
dev_caps->common_cap.num_txq = num_funcs;
/* two MSIX vectors per function */
dev_caps->common_cap.num_msix_vectors = 2 * num_func;
dev_caps->common_cap.num_msix_vectors = 2 * num_funcs;
}
/**

1
drivers/net/ethernet/intel/ice/ice_type.h
View File

@ -202,6 +202,7 @@ struct ice_hw_dev_caps {
struct ice_hw_common_caps common_cap;
u32 num_vfs_exposed; /* Total number of VFs exposed */
u32 num_vsi_allocd_to_host; /* Excluding EMP VSI */
u32 num_funcs;
};
/* MAC info */