diff mbox series

[net-next,3/5] bnxt_en: Refactor bnxt_vf_reps_create().

Message ID 1618186695-18823-4-git-send-email-michael.chan@broadcom.com (mailing list archive)
State Accepted
Commit ea2d37b2b3079a896bc3f44a1962d3f01aa81b7f
Delegated to: Netdev Maintainers
Headers show
Series bnxt_en: Error recovery fixes. | expand

Checks

Context Check Description
netdev/cover_letter success Link
netdev/fixes_present success Link
netdev/patch_count success Link
netdev/tree_selection success Clearly marked for net-next
netdev/subject_prefix success Link
netdev/cc_maintainers success CCed 4 of 4 maintainers
netdev/source_inline success Was 0 now: 0
netdev/verify_signedoff success Link
netdev/module_param success Was 0 now: 0
netdev/build_32bit success Errors and warnings before: 0 this patch: 0
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/verify_fixes success Link
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 53 lines checked
netdev/build_allmodconfig_warn success Errors and warnings before: 0 this patch: 0
netdev/header_inline success Link

Commit Message

Michael Chan April 12, 2021, 12:18 a.m. UTC 
From: Sriharsha Basavapatna <sriharsha.basavapatna@broadcom.com>

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>
---
 drivers/net/ethernet/broadcom/bnxt/bnxt_vfr.c | 40 ++++++++++---------
 1 file changed, 22 insertions(+), 18 deletions(-)
diff mbox series

Patch

diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_vfr.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_vfr.c
index 4b5c8fd76a51..b5d6cd63bea7 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt_vfr.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_vfr.c
@@ -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;
-			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;
+		rc = bnxt_alloc_vf_rep(bp, vf_rep, cfa_code_map);
+		if (rc)
 			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);