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[SCSI] bnx2fc: Introduce interface structure for each vlan interface

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Currently, bnx2fc has a hba structure that can work with only a single vlan
interface.  When there is a change in vlan id, it does not have the capability
to switch to different vlan interface. To solve this problem, a new structure
called 'interface' has been introduced, and each hba can now have multiple
interfaces, one per vlan id.

Most of the patch is a moving the interface specific fields from hba to the
interface structure, and appropriately modifying the dereferences. A list of
interfaces (if_list) is maintained along with adapter list. During a create
call, the interface structure is allocated and added to if_list and deleted &
freed on a destroy call.  Link events are propagated to all interfaces
belonging to the hba.

Signed-off-by: Bhanu Prakash Gollapudi <bprakash@broadcom.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
This commit is contained in:
Bhanu Prakash Gollapudi
2011-07-26 14:51:39 -07:00
committed by James Bottomley
parent f6e76055ba
commit aea71a0249
6 changed files with 475 additions and 503 deletions
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drivers/scsi/bnx2fc/bnx2fc_els.c
+5 -4
View File
@@ -259,7 +259,7 @@ static int bnx2fc_initiate_els(struct bnx2fc_rport *tgt, unsigned int op,
struct bnx2fc_els_cb_arg *cb_arg, u32 timer_msec)
{
struct fcoe_port *port = tgt->port;
struct bnx2fc_hba *hba = port->priv;
struct bnx2fc_interface *interface = port->priv;
struct fc_rport *rport = tgt->rport;
struct fc_lport *lport = port->lport;
struct bnx2fc_cmd *els_req;
@@ -352,7 +352,8 @@ static int bnx2fc_initiate_els(struct bnx2fc_rport *tgt, unsigned int op,
index = xid % BNX2FC_TASKS_PER_PAGE;
/* Initialize task context for this IO request */
task_page = (struct fcoe_task_ctx_entry *) hba->task_ctx[task_idx];
task_page = (struct fcoe_task_ctx_entry *)
interface->hba->task_ctx[task_idx];
task = &(task_page[index]);
bnx2fc_init_mp_task(els_req, task);
@@ -496,8 +497,8 @@ struct fc_seq *bnx2fc_elsct_send(struct fc_lport *lport, u32 did,
void *arg, u32 timeout)
{
struct fcoe_port *port = lport_priv(lport);
struct bnx2fc_hba *hba = port->priv;
struct fcoe_ctlr *fip = &hba->ctlr;
struct bnx2fc_interface *interface = port->priv;
struct fcoe_ctlr *fip = &interface->ctlr;
struct fc_frame_header *fh = fc_frame_header_get(fp);
switch (op) {