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bnxt_en: Refactor bnxt_vf_reps_create().

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Add a new function bnxt_alloc_vf_rep() to allocate a VF representor.
This function will be needed in subsequent patches to recreate the
VF reps after error recovery.

Signed-off-by: Sriharsha Basavapatna <sriharsha.basavapatna@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Sriharsha Basavapatna 2021-04-11 20:18:13 -04:00 committed by David S. Miller
parent 190eda1a9d
commit ea2d37b2b3
1 changed files with 22 additions and 18 deletions
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40
drivers/net/ethernet/broadcom/bnxt/bnxt_vfr.c
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@ -350,6 +350,26 @@ void bnxt_vf_reps_destroy(struct bnxt *bp)
__bnxt_vf_reps_destroy(bp);
}
static int bnxt_alloc_vf_rep(struct bnxt *bp, struct bnxt_vf_rep *vf_rep,
u16 *cfa_code_map)
{
/* get cfa handles from FW */
if (hwrm_cfa_vfr_alloc(bp, vf_rep->vf_idx, &vf_rep->tx_cfa_action,
&vf_rep->rx_cfa_code))
return -ENOLINK;
cfa_code_map[vf_rep->rx_cfa_code] = vf_rep->vf_idx;
vf_rep->dst = metadata_dst_alloc(0, METADATA_HW_PORT_MUX, GFP_KERNEL);
if (!vf_rep->dst)
return -ENOMEM;
/* only cfa_action is needed to mux a packet while TXing */
vf_rep->dst->u.port_info.port_id = vf_rep->tx_cfa_action;
vf_rep->dst->u.port_info.lower_dev = bp->dev;
return 0;
}
/* Use the OUI of the PF's perm addr and report the same mac addr
* for the same VF-rep each time
*/
@ -428,25 +448,9 @@ static int bnxt_vf_reps_create(struct bnxt *bp)
vf_rep->vf_idx = i;
vf_rep->tx_cfa_action = CFA_HANDLE_INVALID;
/* get cfa handles from FW */
rc = hwrm_cfa_vfr_alloc(bp, vf_rep->vf_idx,
&vf_rep->tx_cfa_action,
&vf_rep->rx_cfa_code);
if (rc) {
rc = -ENOLINK;
rc = bnxt_alloc_vf_rep(bp, vf_rep, cfa_code_map);
if (rc)
goto err;
}
cfa_code_map[vf_rep->rx_cfa_code] = vf_rep->vf_idx;
vf_rep->dst = metadata_dst_alloc(0, METADATA_HW_PORT_MUX,
GFP_KERNEL);
if (!vf_rep->dst) {
rc = -ENOMEM;
goto err;
}
/* only cfa_action is needed to mux a packet while TXing */
vf_rep->dst->u.port_info.port_id = vf_rep->tx_cfa_action;
vf_rep->dst->u.port_info.lower_dev = bp->dev;
bnxt_vf_rep_netdev_init(bp, vf_rep, dev);
rc = register_netdev(dev);