scsi: fcoe: pass in fcoe_rport structure instead of fc_rport_priv
Instead of using the generic 'fc_rport_priv' structure as argument and then having to painstakingly outcast this to fcoe_rport we should be passing the fcoe_rport structure itself and reduce complexity. Signed-off-by: Hannes Reinecke <hare@suse.de> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Hannes Reinecke
Martin K. Petersen
parent
023358b136
commit
d478418703
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@ -2401,16 +2401,14 @@ static void fcoe_ctlr_vn_send_claim(struct fcoe_ctlr *fip)
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/**
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* fcoe_ctlr_vn_probe_req() - handle incoming VN2VN probe request.
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* @fip: The FCoE controller
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* @rdata: parsed remote port with frport from the probe request
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* @frport: parsed FCoE rport from the probe request
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*
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* Called with ctlr_mutex held.
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*/
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static void fcoe_ctlr_vn_probe_req(struct fcoe_ctlr *fip,
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struct fc_rport_priv *rdata)
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struct fcoe_rport *frport)
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{
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struct fcoe_rport *frport = fcoe_ctlr_rport(rdata);
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if (rdata->ids.port_id != fip->port_id)
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if (frport->rdata.ids.port_id != fip->port_id)
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return;
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switch (fip->state) {
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@ -2430,7 +2428,7 @@ static void fcoe_ctlr_vn_probe_req(struct fcoe_ctlr *fip,
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* Probe's REC bit is not set.
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* If we don't reply, we will change our address.
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*/
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if (fip->lp->wwpn > rdata->ids.port_name &&
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if (fip->lp->wwpn > frport->rdata.ids.port_name &&
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!(frport->flags & FIP_FL_REC_OR_P2P)) {
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LIBFCOE_FIP_DBG(fip, "vn_probe_req: "
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"port_id collision\n");
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@ -2454,14 +2452,14 @@ static void fcoe_ctlr_vn_probe_req(struct fcoe_ctlr *fip,
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/**
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* fcoe_ctlr_vn_probe_reply() - handle incoming VN2VN probe reply.
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* @fip: The FCoE controller
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* @rdata: parsed remote port with frport from the probe request
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* @frport: parsed FCoE rport from the probe request
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*
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* Called with ctlr_mutex held.
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*/
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static void fcoe_ctlr_vn_probe_reply(struct fcoe_ctlr *fip,
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struct fc_rport_priv *rdata)
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struct fcoe_rport *frport)
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{
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if (rdata->ids.port_id != fip->port_id)
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if (frport->rdata.ids.port_id != fip->port_id)
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return;
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switch (fip->state) {
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case FIP_ST_VNMP_START:
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@ -2484,11 +2482,11 @@ static void fcoe_ctlr_vn_probe_reply(struct fcoe_ctlr *fip,
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/**
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* fcoe_ctlr_vn_add() - Add a VN2VN entry to the list, based on a claim reply.
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* @fip: The FCoE controller
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* @new: newly-parsed remote port with frport as a template for new rdata
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* @new: newly-parsed FCoE rport as a template for new rdata
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*
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* Called with ctlr_mutex held.
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*/
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static void fcoe_ctlr_vn_add(struct fcoe_ctlr *fip, struct fc_rport_priv *new)
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static void fcoe_ctlr_vn_add(struct fcoe_ctlr *fip, struct fcoe_rport *new)
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{
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struct fc_lport *lport = fip->lp;
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struct fc_rport_priv *rdata;
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@ -2496,7 +2494,7 @@ static void fcoe_ctlr_vn_add(struct fcoe_ctlr *fip, struct fc_rport_priv *new)
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struct fcoe_rport *frport;
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u32 port_id;
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port_id = new->ids.port_id;
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port_id = new->rdata.ids.port_id;
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if (port_id == fip->port_id)
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return;
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@ -2513,22 +2511,28 @@ static void fcoe_ctlr_vn_add(struct fcoe_ctlr *fip, struct fc_rport_priv *new)
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rdata->disc_id = lport->disc.disc_id;
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ids = &rdata->ids;
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if ((ids->port_name != -1 && ids->port_name != new->ids.port_name) ||
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(ids->node_name != -1 && ids->node_name != new->ids.node_name)) {
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if ((ids->port_name != -1 &&
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ids->port_name != new->rdata.ids.port_name) ||
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(ids->node_name != -1 &&
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ids->node_name != new->rdata.ids.node_name)) {
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mutex_unlock(&rdata->rp_mutex);
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LIBFCOE_FIP_DBG(fip, "vn_add rport logoff %6.6x\n", port_id);
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fc_rport_logoff(rdata);
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mutex_lock(&rdata->rp_mutex);
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}
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ids->port_name = new->ids.port_name;
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ids->node_name = new->ids.node_name;
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ids->port_name = new->rdata.ids.port_name;
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ids->node_name = new->rdata.ids.node_name;
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mutex_unlock(&rdata->rp_mutex);
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frport = fcoe_ctlr_rport(rdata);
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LIBFCOE_FIP_DBG(fip, "vn_add rport %6.6x %s state %d\n",
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port_id, frport->fcoe_len ? "old" : "new",
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rdata->rp_state);
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*frport = *fcoe_ctlr_rport(new);
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frport->fcoe_len = new->fcoe_len;
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frport->flags = new->flags;
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frport->login_count = new->login_count;
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memcpy(frport->enode_mac, new->enode_mac, ETH_ALEN);
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memcpy(frport->vn_mac, new->vn_mac, ETH_ALEN);
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frport->time = 0;
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}
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@ -2560,16 +2564,14 @@ static int fcoe_ctlr_vn_lookup(struct fcoe_ctlr *fip, u32 port_id, u8 *mac)
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/**
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* fcoe_ctlr_vn_claim_notify() - handle received FIP VN2VN Claim Notification
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* @fip: The FCoE controller
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* @new: newly-parsed remote port with frport as a template for new rdata
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* @new: newly-parsed FCoE rport as a template for new rdata
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*
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* Called with ctlr_mutex held.
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*/
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static void fcoe_ctlr_vn_claim_notify(struct fcoe_ctlr *fip,
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struct fc_rport_priv *new)
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struct fcoe_rport *new)
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{
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struct fcoe_rport *frport = fcoe_ctlr_rport(new);
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if (frport->flags & FIP_FL_REC_OR_P2P) {
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if (new->flags & FIP_FL_REC_OR_P2P) {
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LIBFCOE_FIP_DBG(fip, "send probe req for P2P/REC\n");
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fcoe_ctlr_vn_send(fip, FIP_SC_VN_PROBE_REQ, fcoe_all_vn2vn, 0);
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return;
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@ -2578,7 +2580,7 @@ static void fcoe_ctlr_vn_claim_notify(struct fcoe_ctlr *fip,
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case FIP_ST_VNMP_START:
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case FIP_ST_VNMP_PROBE1:
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case FIP_ST_VNMP_PROBE2:
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if (new->ids.port_id == fip->port_id) {
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if (new->rdata.ids.port_id == fip->port_id) {
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LIBFCOE_FIP_DBG(fip, "vn_claim_notify: "
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"restart, state %d\n",
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fip->state);
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@ -2587,8 +2589,8 @@ static void fcoe_ctlr_vn_claim_notify(struct fcoe_ctlr *fip,
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break;
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case FIP_ST_VNMP_CLAIM:
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case FIP_ST_VNMP_UP:
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if (new->ids.port_id == fip->port_id) {
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if (new->ids.port_name > fip->lp->wwpn) {
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if (new->rdata.ids.port_id == fip->port_id) {
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if (new->rdata.ids.port_name > fip->lp->wwpn) {
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LIBFCOE_FIP_DBG(fip, "vn_claim_notify: "
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"restart, port_id collision\n");
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fcoe_ctlr_vn_restart(fip);
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@ -2600,15 +2602,16 @@ static void fcoe_ctlr_vn_claim_notify(struct fcoe_ctlr *fip,
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break;
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}
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LIBFCOE_FIP_DBG(fip, "vn_claim_notify: send reply to %x\n",
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new->ids.port_id);
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fcoe_ctlr_vn_send(fip, FIP_SC_VN_CLAIM_REP, frport->enode_mac,
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min((u32)frport->fcoe_len,
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new->rdata.ids.port_id);
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fcoe_ctlr_vn_send(fip, FIP_SC_VN_CLAIM_REP, new->enode_mac,
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min((u32)new->fcoe_len,
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fcoe_ctlr_fcoe_size(fip)));
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fcoe_ctlr_vn_add(fip, new);
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break;
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default:
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LIBFCOE_FIP_DBG(fip, "vn_claim_notify: "
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"ignoring claim from %x\n", new->ids.port_id);
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"ignoring claim from %x\n",
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new->rdata.ids.port_id);
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break;
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}
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}
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@ -2616,15 +2619,15 @@ static void fcoe_ctlr_vn_claim_notify(struct fcoe_ctlr *fip,
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/**
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* fcoe_ctlr_vn_claim_resp() - handle received Claim Response
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* @fip: The FCoE controller that received the frame
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* @new: newly-parsed remote port with frport from the Claim Response
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* @new: newly-parsed FCoE rport from the Claim Response
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*
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* Called with ctlr_mutex held.
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*/
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static void fcoe_ctlr_vn_claim_resp(struct fcoe_ctlr *fip,
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struct fc_rport_priv *new)
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struct fcoe_rport *new)
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{
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LIBFCOE_FIP_DBG(fip, "claim resp from from rport %x - state %s\n",
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new->ids.port_id, fcoe_ctlr_state(fip->state));
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new->rdata.ids.port_id, fcoe_ctlr_state(fip->state));
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if (fip->state == FIP_ST_VNMP_UP || fip->state == FIP_ST_VNMP_CLAIM)
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fcoe_ctlr_vn_add(fip, new);
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}
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@ -2632,28 +2635,28 @@ static void fcoe_ctlr_vn_claim_resp(struct fcoe_ctlr *fip,
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/**
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* fcoe_ctlr_vn_beacon() - handle received beacon.
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* @fip: The FCoE controller that received the frame
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* @new: newly-parsed remote port with frport from the Beacon
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* @new: newly-parsed FCoE rport from the Beacon
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*
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* Called with ctlr_mutex held.
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*/
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static void fcoe_ctlr_vn_beacon(struct fcoe_ctlr *fip,
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struct fc_rport_priv *new)
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struct fcoe_rport *new)
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{
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struct fc_lport *lport = fip->lp;
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struct fc_rport_priv *rdata;
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struct fcoe_rport *frport;
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frport = fcoe_ctlr_rport(new);
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if (frport->flags & FIP_FL_REC_OR_P2P) {
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if (new->flags & FIP_FL_REC_OR_P2P) {
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LIBFCOE_FIP_DBG(fip, "p2p beacon while in vn2vn mode\n");
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fcoe_ctlr_vn_send(fip, FIP_SC_VN_PROBE_REQ, fcoe_all_vn2vn, 0);
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return;
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}
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rdata = fc_rport_lookup(lport, new->ids.port_id);
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rdata = fc_rport_lookup(lport, new->rdata.ids.port_id);
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if (rdata) {
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if (rdata->ids.node_name == new->ids.node_name &&
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rdata->ids.port_name == new->ids.port_name) {
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if (rdata->ids.node_name == new->rdata.ids.node_name &&
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rdata->ids.port_name == new->rdata.ids.port_name) {
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frport = fcoe_ctlr_rport(rdata);
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LIBFCOE_FIP_DBG(fip, "beacon from rport %x\n",
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rdata->ids.port_id);
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if (!frport->time && fip->state == FIP_ST_VNMP_UP) {
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@ -2676,7 +2679,7 @@ static void fcoe_ctlr_vn_beacon(struct fcoe_ctlr *fip,
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* Don't add the neighbor yet.
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*/
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LIBFCOE_FIP_DBG(fip, "beacon from new rport %x. sending claim notify\n",
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new->ids.port_id);
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new->rdata.ids.port_id);
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if (time_after(jiffies,
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fip->sol_time + msecs_to_jiffies(FIP_VN_ANN_WAIT)))
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fcoe_ctlr_vn_send_claim(fip);
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@ -2761,19 +2764,19 @@ static int fcoe_ctlr_vn_recv(struct fcoe_ctlr *fip, struct sk_buff *skb)
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mutex_lock(&fip->ctlr_mutex);
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switch (sub) {
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case FIP_SC_VN_PROBE_REQ:
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fcoe_ctlr_vn_probe_req(fip, &frport.rdata);
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fcoe_ctlr_vn_probe_req(fip, &frport);
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break;
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case FIP_SC_VN_PROBE_REP:
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fcoe_ctlr_vn_probe_reply(fip, &frport.rdata);
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fcoe_ctlr_vn_probe_reply(fip, &frport);
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break;
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case FIP_SC_VN_CLAIM_NOTIFY:
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fcoe_ctlr_vn_claim_notify(fip, &frport.rdata);
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fcoe_ctlr_vn_claim_notify(fip, &frport);
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break;
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case FIP_SC_VN_CLAIM_REP:
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fcoe_ctlr_vn_claim_resp(fip, &frport.rdata);
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fcoe_ctlr_vn_claim_resp(fip, &frport);
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break;
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case FIP_SC_VN_BEACON:
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fcoe_ctlr_vn_beacon(fip, &frport.rdata);
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fcoe_ctlr_vn_beacon(fip, &frport);
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break;
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default:
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LIBFCOE_FIP_DBG(fip, "vn_recv unknown subcode %d\n", sub);
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@ -2949,13 +2952,13 @@ static void fcoe_ctlr_vlan_send(struct fcoe_ctlr *fip,
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/**
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* fcoe_ctlr_vlan_disk_reply() - send FIP VLAN Discovery Notification.
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* @fip: The FCoE controller
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* @frport: The newly-parsed FCoE rport from the Discovery Request
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*
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* Called with ctlr_mutex held.
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*/
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static void fcoe_ctlr_vlan_disc_reply(struct fcoe_ctlr *fip,
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struct fc_rport_priv *rdata)
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struct fcoe_rport *frport)
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{
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struct fcoe_rport *frport = fcoe_ctlr_rport(rdata);
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enum fip_vlan_subcode sub = FIP_SC_VL_NOTE;
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if (fip->mode == FIP_MODE_VN2VN)
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@ -2986,7 +2989,7 @@ static int fcoe_ctlr_vlan_recv(struct fcoe_ctlr *fip, struct sk_buff *skb)
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}
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mutex_lock(&fip->ctlr_mutex);
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if (sub == FIP_SC_VL_REQ)
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fcoe_ctlr_vlan_disc_reply(fip, &frport.rdata);
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fcoe_ctlr_vlan_disc_reply(fip, &frport);
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mutex_unlock(&fip->ctlr_mutex);
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drop:
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