From bedbef8ad3e75a304af6361af235302bcc61d06b Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 14 May 2024 06:39:01 +0000
Subject: [PATCH] 修改内核路径
---
kernel/drivers/scsi/bnx2fc/bnx2fc_els.c | 60 ++++++++++++++++++++++++++++++++++++++++++------------------
1 files changed, 42 insertions(+), 18 deletions(-)
diff --git a/kernel/drivers/scsi/bnx2fc/bnx2fc_els.c b/kernel/drivers/scsi/bnx2fc/bnx2fc_els.c
index 76e65a3..754f2e8 100644
--- a/kernel/drivers/scsi/bnx2fc/bnx2fc_els.c
+++ b/kernel/drivers/scsi/bnx2fc/bnx2fc_els.c
@@ -610,7 +610,6 @@
rc = bnx2fc_initiate_els(tgt, ELS_REC, &rec, sizeof(rec),
bnx2fc_rec_compl, cb_arg,
r_a_tov);
-rec_err:
if (rc) {
BNX2FC_IO_DBG(orig_io_req, "REC failed - release\n");
spin_lock_bh(&tgt->tgt_lock);
@@ -618,6 +617,7 @@
spin_unlock_bh(&tgt->tgt_lock);
kfree(cb_arg);
}
+rec_err:
return rc;
}
@@ -654,7 +654,6 @@
rc = bnx2fc_initiate_els(tgt, ELS_SRR, &srr, sizeof(srr),
bnx2fc_srr_compl, cb_arg,
r_a_tov);
-srr_err:
if (rc) {
BNX2FC_IO_DBG(orig_io_req, "SRR failed - release\n");
spin_lock_bh(&tgt->tgt_lock);
@@ -664,6 +663,7 @@
} else
set_bit(BNX2FC_FLAG_SRR_SENT, &orig_io_req->req_flags);
+srr_err:
return rc;
}
@@ -854,33 +854,57 @@
kref_put(&els_req->refcount, bnx2fc_cmd_release);
}
+#define BNX2FC_FCOE_MAC_METHOD_GRANGED_MAC 1
+#define BNX2FC_FCOE_MAC_METHOD_FCF_MAP 2
+#define BNX2FC_FCOE_MAC_METHOD_FCOE_SET_MAC 3
static void bnx2fc_flogi_resp(struct fc_seq *seq, struct fc_frame *fp,
void *arg)
{
struct fcoe_ctlr *fip = arg;
struct fc_exch *exch = fc_seq_exch(seq);
struct fc_lport *lport = exch->lp;
- u8 *mac;
- u8 op;
+
+ struct fc_frame_header *fh;
+ u8 *granted_mac;
+ u8 fcoe_mac[6];
+ u8 fc_map[3];
+ int method;
if (IS_ERR(fp))
goto done;
- mac = fr_cb(fp)->granted_mac;
- if (is_zero_ether_addr(mac)) {
- op = fc_frame_payload_op(fp);
- if (lport->vport) {
- if (op == ELS_LS_RJT) {
- printk(KERN_ERR PFX "bnx2fc_flogi_resp is LS_RJT\n");
- fc_vport_terminate(lport->vport);
- fc_frame_free(fp);
- return;
- }
- }
- fcoe_ctlr_recv_flogi(fip, lport, fp);
+ fh = fc_frame_header_get(fp);
+ granted_mac = fr_cb(fp)->granted_mac;
+
+ /*
+ * We set the source MAC for FCoE traffic based on the Granted MAC
+ * address from the switch.
+ *
+ * If granted_mac is non-zero, we use that.
+ * If the granted_mac is zeroed out, create the FCoE MAC based on
+ * the sel_fcf->fc_map and the d_id fo the FLOGI frame.
+ * If sel_fcf->fc_map is 0, then we use the default FCF-MAC plus the
+ * d_id of the FLOGI frame.
+ */
+ if (!is_zero_ether_addr(granted_mac)) {
+ ether_addr_copy(fcoe_mac, granted_mac);
+ method = BNX2FC_FCOE_MAC_METHOD_GRANGED_MAC;
+ } else if (fip->sel_fcf && fip->sel_fcf->fc_map != 0) {
+ hton24(fc_map, fip->sel_fcf->fc_map);
+ fcoe_mac[0] = fc_map[0];
+ fcoe_mac[1] = fc_map[1];
+ fcoe_mac[2] = fc_map[2];
+ fcoe_mac[3] = fh->fh_d_id[0];
+ fcoe_mac[4] = fh->fh_d_id[1];
+ fcoe_mac[5] = fh->fh_d_id[2];
+ method = BNX2FC_FCOE_MAC_METHOD_FCF_MAP;
+ } else {
+ fc_fcoe_set_mac(fcoe_mac, fh->fh_d_id);
+ method = BNX2FC_FCOE_MAC_METHOD_FCOE_SET_MAC;
}
- if (!is_zero_ether_addr(mac))
- fip->update_mac(lport, mac);
+
+ BNX2FC_HBA_DBG(lport, "fcoe_mac=%pM method=%d\n", fcoe_mac, method);
+ fip->update_mac(lport, fcoe_mac);
done:
fc_lport_flogi_resp(seq, fp, lport);
}
--
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