[SCSI] fcoe: move FIP controller from fcoe_port to fcoe_interface
There is only one FIP state per net_device, so the FIP controller needs to be moved from the per-SCSI-host fcoe_port to the per-net_device fcoe_interface structure. Signed-off-by: Chris Leech <christopher.leech@intel.com> Signed-off-by: Robert Love <robert.w.love@intel.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
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@ -152,11 +152,9 @@ static int fcoe_fip_recv(struct sk_buff *skb, struct net_device *dev,
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struct net_device *orig_dev)
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{
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struct fcoe_interface *fcoe;
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struct fcoe_port *port;
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fcoe = container_of(ptype, struct fcoe_interface, fip_packet_type);
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port = fcoe->priv;
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fcoe_ctlr_recv(&port->ctlr, skb);
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fcoe_ctlr_recv(&fcoe->ctlr, skb);
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return 0;
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}
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@ -167,7 +165,7 @@ static int fcoe_fip_recv(struct sk_buff *skb, struct net_device *dev,
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*/
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static void fcoe_fip_send(struct fcoe_ctlr *fip, struct sk_buff *skb)
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{
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skb->dev = fcoe_from_ctlr(fip)->fcoe->netdev;
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skb->dev = fcoe_from_ctlr(fip)->netdev;
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dev_queue_xmit(skb);
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}
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@ -183,11 +181,8 @@ static void fcoe_fip_send(struct fcoe_ctlr *fip, struct sk_buff *skb)
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static void fcoe_update_src_mac(struct fcoe_ctlr *fip, u8 *old, u8 *new)
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{
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struct fcoe_interface *fcoe;
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struct fcoe_port *port;
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port = fcoe_from_ctlr(fip);
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fcoe = port->fcoe;
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fcoe = fcoe_from_ctlr(fip);
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rtnl_lock();
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if (!is_zero_ether_addr(old))
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dev_unicast_delete(fcoe->netdev, old);
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@ -244,10 +239,10 @@ void fcoe_netdev_cleanup(struct fcoe_port *port)
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rtnl_lock();
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memcpy(flogi_maddr, (u8[6]) FC_FCOE_FLOGI_MAC, ETH_ALEN);
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dev_unicast_delete(fcoe->netdev, flogi_maddr);
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if (!is_zero_ether_addr(port->ctlr.data_src_addr))
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dev_unicast_delete(fcoe->netdev, port->ctlr.data_src_addr);
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if (port->ctlr.spma)
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dev_unicast_delete(fcoe->netdev, port->ctlr.ctl_src_addr);
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if (!is_zero_ether_addr(fcoe->ctlr.data_src_addr))
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dev_unicast_delete(fcoe->netdev, fcoe->ctlr.data_src_addr);
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if (fcoe->ctlr.spma)
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dev_unicast_delete(fcoe->netdev, fcoe->ctlr.ctl_src_addr);
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dev_mc_delete(fcoe->netdev, FIP_ALL_ENODE_MACS, ETH_ALEN, 0);
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rtnl_unlock();
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}
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@ -285,7 +280,7 @@ static int fcoe_netdev_config(struct fc_lport *lp, struct net_device *netdev)
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/* Setup lport private data to point to fcoe softc */
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port = lport_priv(lp);
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fcoe = port->fcoe;
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port->ctlr.lp = lp;
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fcoe->ctlr.lp = lp;
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fcoe->netdev = netdev;
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/* Do not support for bonding device */
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@ -334,17 +329,17 @@ static int fcoe_netdev_config(struct fc_lport *lp, struct net_device *netdev)
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rcu_read_lock();
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for_each_dev_addr(netdev, ha) {
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if ((ha->type == NETDEV_HW_ADDR_T_SAN) &&
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(is_valid_ether_addr(port->ctlr.ctl_src_addr))) {
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memcpy(port->ctlr.ctl_src_addr, ha->addr, ETH_ALEN);
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port->ctlr.spma = 1;
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(is_valid_ether_addr(fcoe->ctlr.ctl_src_addr))) {
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memcpy(fcoe->ctlr.ctl_src_addr, ha->addr, ETH_ALEN);
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fcoe->ctlr.spma = 1;
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break;
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}
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}
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rcu_read_unlock();
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/* setup Source Mac Address */
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if (!port->ctlr.spma)
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memcpy(port->ctlr.ctl_src_addr, netdev->dev_addr,
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if (!fcoe->ctlr.spma)
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memcpy(fcoe->ctlr.ctl_src_addr, netdev->dev_addr,
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netdev->addr_len);
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wwnn = fcoe_wwn_from_mac(netdev->dev_addr, 1, 0);
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@ -361,8 +356,8 @@ static int fcoe_netdev_config(struct fc_lport *lp, struct net_device *netdev)
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rtnl_lock();
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memcpy(flogi_maddr, (u8[6]) FC_FCOE_FLOGI_MAC, ETH_ALEN);
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dev_unicast_add(netdev, flogi_maddr);
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if (port->ctlr.spma)
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dev_unicast_add(netdev, port->ctlr.ctl_src_addr);
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if (fcoe->ctlr.spma)
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dev_unicast_add(netdev, fcoe->ctlr.ctl_src_addr);
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dev_mc_add(netdev, FIP_ALL_ENODE_MACS, ETH_ALEN, 0);
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rtnl_unlock();
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@ -537,7 +532,7 @@ static void fcoe_if_destroy(struct fc_lport *lport)
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fcoe_netdev_cleanup(port);
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/* tear-down the FCoE controller */
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fcoe_ctlr_destroy(&port->ctlr);
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fcoe_ctlr_destroy(&fcoe->ctlr);
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/* Free queued packets for the per-CPU receive threads */
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fcoe_percpu_clean(lport);
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@ -662,9 +657,9 @@ static struct fc_lport *fcoe_if_create(struct net_device *netdev,
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/*
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* Initialize FIP.
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*/
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fcoe_ctlr_init(&port->ctlr);
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port->ctlr.send = fcoe_fip_send;
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port->ctlr.update_mac = fcoe_update_src_mac;
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fcoe_ctlr_init(&fcoe->ctlr);
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fcoe->ctlr.send = fcoe_fip_send;
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fcoe->ctlr.update_mac = fcoe_update_src_mac;
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/* configure lport network properties */
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rc = fcoe_netdev_config(lport, netdev);
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@ -714,7 +709,7 @@ static struct fc_lport *fcoe_if_create(struct net_device *netdev,
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fc_fabric_login(lport);
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if (!fcoe_link_ok(lport))
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fcoe_ctlr_link_up(&port->ctlr);
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fcoe_ctlr_link_up(&fcoe->ctlr);
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dev_hold(netdev);
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@ -929,14 +924,12 @@ int fcoe_rcv(struct sk_buff *skb, struct net_device *dev,
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struct fc_lport *lp;
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struct fcoe_rcv_info *fr;
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struct fcoe_interface *fcoe;
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struct fcoe_port *port;
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struct fc_frame_header *fh;
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struct fcoe_percpu_s *fps;
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unsigned int cpu;
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fcoe = container_of(ptype, struct fcoe_interface, fcoe_packet_type);
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port = fcoe->priv;
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lp = port->ctlr.lp;
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lp = fcoe->ctlr.lp;
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if (unlikely(lp == NULL)) {
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FCOE_NETDEV_DBG(dev, "Cannot find hba structure");
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goto err2;
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@ -1137,13 +1130,13 @@ int fcoe_xmit(struct fc_lport *lp, struct fc_frame *fp)
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unsigned int hlen; /* header length implies the version */
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unsigned int tlen; /* trailer length */
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unsigned int elen; /* eth header, may include vlan */
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struct fcoe_port *port;
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struct fcoe_port *port = lport_priv(lp);
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struct fcoe_interface *fcoe = port->fcoe;
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u8 sof, eof;
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struct fcoe_hdr *hp;
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WARN_ON((fr_len(fp) % sizeof(u32)) != 0);
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port = lport_priv(lp);
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fh = fc_frame_header_get(fp);
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skb = fp_skb(fp);
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wlen = skb->len / FCOE_WORD_TO_BYTE;
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@ -1154,7 +1147,7 @@ int fcoe_xmit(struct fc_lport *lp, struct fc_frame *fp)
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}
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if (unlikely(fh->fh_r_ctl == FC_RCTL_ELS_REQ) &&
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fcoe_ctlr_els_send(&port->ctlr, skb))
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fcoe_ctlr_els_send(&fcoe->ctlr, skb))
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return 0;
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sof = fr_sof(fp);
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@ -1205,21 +1198,21 @@ int fcoe_xmit(struct fc_lport *lp, struct fc_frame *fp)
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skb_reset_network_header(skb);
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skb->mac_len = elen;
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skb->protocol = htons(ETH_P_FCOE);
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skb->dev = port->fcoe->netdev;
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skb->dev = fcoe->netdev;
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/* fill up mac and fcoe headers */
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eh = eth_hdr(skb);
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eh->h_proto = htons(ETH_P_FCOE);
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if (port->ctlr.map_dest)
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if (fcoe->ctlr.map_dest)
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fc_fcoe_set_mac(eh->h_dest, fh->fh_d_id);
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else
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/* insert GW address */
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memcpy(eh->h_dest, port->ctlr.dest_addr, ETH_ALEN);
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memcpy(eh->h_dest, fcoe->ctlr.dest_addr, ETH_ALEN);
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if (unlikely(port->ctlr.flogi_oxid != FC_XID_UNKNOWN))
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memcpy(eh->h_source, port->ctlr.ctl_src_addr, ETH_ALEN);
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if (unlikely(fcoe->ctlr.flogi_oxid != FC_XID_UNKNOWN))
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memcpy(eh->h_source, fcoe->ctlr.ctl_src_addr, ETH_ALEN);
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else
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memcpy(eh->h_source, port->ctlr.data_src_addr, ETH_ALEN);
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memcpy(eh->h_source, fcoe->ctlr.data_src_addr, ETH_ALEN);
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hp = (struct fcoe_hdr *)(eh + 1);
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memset(hp, 0, sizeof(*hp));
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@ -1382,8 +1375,8 @@ int fcoe_percpu_receive_thread(void *arg)
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}
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fr_flags(fp) &= ~FCPHF_CRC_UNCHECKED;
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}
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if (unlikely(port->ctlr.flogi_oxid != FC_XID_UNKNOWN) &&
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fcoe_ctlr_recv_flogi(&port->ctlr, fp, mac)) {
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if (unlikely(port->fcoe->ctlr.flogi_oxid != FC_XID_UNKNOWN) &&
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fcoe_ctlr_recv_flogi(&port->fcoe->ctlr, fp, mac)) {
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fc_frame_free(fp);
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continue;
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}
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@ -1482,7 +1475,6 @@ static int fcoe_device_notification(struct notifier_block *notifier,
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struct fc_lport *lp = NULL;
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struct net_device *netdev = ptr;
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struct fcoe_interface *fcoe;
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struct fcoe_port *port = NULL;
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struct fcoe_dev_stats *stats;
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u32 link_possible = 1;
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u32 mfs;
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@ -1490,9 +1482,8 @@ static int fcoe_device_notification(struct notifier_block *notifier,
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read_lock(&fcoe_hostlist_lock);
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list_for_each_entry(fcoe, &fcoe_hostlist, list) {
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port = fcoe->priv;
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if (fcoe->netdev == netdev) {
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lp = port->ctlr.lp;
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lp = fcoe->ctlr.lp;
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break;
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}
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}
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@ -1523,8 +1514,8 @@ static int fcoe_device_notification(struct notifier_block *notifier,
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"from netdev netlink\n", event);
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}
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if (link_possible && !fcoe_link_ok(lp))
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fcoe_ctlr_link_up(&port->ctlr);
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else if (fcoe_ctlr_link_down(&port->ctlr)) {
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fcoe_ctlr_link_up(&fcoe->ctlr);
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else if (fcoe_ctlr_link_down(&fcoe->ctlr)) {
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stats = fc_lport_get_stats(lp);
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stats->LinkFailureCount++;
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fcoe_clean_pending_queue(lp);
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@ -1841,7 +1832,7 @@ struct fc_lport *fcoe_hostlist_lookup(const struct net_device *netdev)
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fcoe = fcoe_hostlist_lookup_port(netdev);
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read_unlock(&fcoe_hostlist_lock);
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return (fcoe) ? fcoe->priv->ctlr.lp : NULL;
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return (fcoe) ? fcoe->ctlr.lp : NULL;
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}
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/**
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@ -1941,7 +1932,7 @@ static void __exit fcoe_exit(void)
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/* releases the associated fcoe hosts */
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list_for_each_entry_safe(fcoe, tmp, &fcoe_hostlist, list)
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fcoe_if_destroy(fcoe->priv->ctlr.lp);
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fcoe_if_destroy(fcoe->ctlr.lp);
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unregister_hotcpu_notifier(&fcoe_cpu_notifier);
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@ -85,6 +85,7 @@ struct fcoe_interface {
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struct net_device *netdev;
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struct packet_type fcoe_packet_type;
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struct packet_type fip_packet_type;
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struct fcoe_ctlr ctlr;
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};
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/*
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@ -97,10 +98,9 @@ struct fcoe_port {
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struct sk_buff_head fcoe_pending_queue;
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u8 fcoe_pending_queue_active;
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struct timer_list timer; /* queue timer */
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struct fcoe_ctlr ctlr;
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};
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#define fcoe_from_ctlr(fip) container_of(fip, struct fcoe_port, ctlr)
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#define fcoe_from_ctlr(fip) container_of(fip, struct fcoe_interface, ctlr)
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static inline struct net_device *fcoe_netdev(const struct fc_lport *lp)
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{
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