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Merge commit 'origin/master' into next

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This commit is contained in:
Benjamin Herrenschmidt 2009-06-17 10:24:53 +10:00
commit 492b057c42
1489 changed files with 117832 additions and 51976 deletions
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197
drivers/scsi/fcoe/fcoe.c
View file

@ -134,6 +134,58 @@ static struct scsi_host_template fcoe_shost_template = {
.max_sectors = 0xffff,
};
/**
* fcoe_fip_recv - handle a received FIP frame.
* @skb: the receive skb
* @dev: associated &net_device
* @ptype: the &packet_type structure which was used to register this handler.
* @orig_dev: original receive &net_device, in case @dev is a bond.
*
* Returns: 0 for success
*/
static int fcoe_fip_recv(struct sk_buff *skb, struct net_device *dev,
struct packet_type *ptype,
struct net_device *orig_dev)
{
struct fcoe_softc *fc;
fc = container_of(ptype, struct fcoe_softc, fip_packet_type);
fcoe_ctlr_recv(&fc->ctlr, skb);
return 0;
}
/**
* fcoe_fip_send() - send an Ethernet-encapsulated FIP frame.
* @fip: FCoE controller.
* @skb: FIP Packet.
*/
static void fcoe_fip_send(struct fcoe_ctlr *fip, struct sk_buff *skb)
{
skb->dev = fcoe_from_ctlr(fip)->real_dev;
dev_queue_xmit(skb);
}
/**
* fcoe_update_src_mac() - Update Ethernet MAC filters.
* @fip: FCoE controller.
* @old: Unicast MAC address to delete if the MAC is non-zero.
* @new: Unicast MAC address to add.
*
* Remove any previously-set unicast MAC filter.
* Add secondary FCoE MAC address filter for our OUI.
*/
static void fcoe_update_src_mac(struct fcoe_ctlr *fip, u8 *old, u8 *new)
{
struct fcoe_softc *fc;
fc = fcoe_from_ctlr(fip);
rtnl_lock();
if (!is_zero_ether_addr(old))
dev_unicast_delete(fc->real_dev, old);
dev_unicast_add(fc->real_dev, new);
rtnl_unlock();
}
/**
* fcoe_lport_config() - sets up the fc_lport
* @lp: ptr to the fc_lport
@ -166,6 +218,30 @@ static int fcoe_lport_config(struct fc_lport *lp)
return 0;
}
/**
* fcoe_netdev_cleanup() - clean up netdev configurations
* @fc: ptr to the fcoe_softc
*/
void fcoe_netdev_cleanup(struct fcoe_softc *fc)
{
u8 flogi_maddr[ETH_ALEN];
/* Don't listen for Ethernet packets anymore */
dev_remove_pack(&fc->fcoe_packet_type);
dev_remove_pack(&fc->fip_packet_type);
/* Delete secondary MAC addresses */
rtnl_lock();
memcpy(flogi_maddr, (u8[6]) FC_FCOE_FLOGI_MAC, ETH_ALEN);
dev_unicast_delete(fc->real_dev, flogi_maddr);
if (!is_zero_ether_addr(fc->ctlr.data_src_addr))
dev_unicast_delete(fc->real_dev, fc->ctlr.data_src_addr);
if (fc->ctlr.spma)
dev_unicast_delete(fc->real_dev, fc->ctlr.ctl_src_addr);
dev_mc_delete(fc->real_dev, FIP_ALL_ENODE_MACS, ETH_ALEN, 0);
rtnl_unlock();
}
/**
* fcoe_queue_timer() - fcoe queue timer
* @lp: the fc_lport pointer
@ -193,6 +269,7 @@ static int fcoe_netdev_config(struct fc_lport *lp, struct net_device *netdev)
u64 wwnn, wwpn;
struct fcoe_softc *fc;
u8 flogi_maddr[ETH_ALEN];
struct netdev_hw_addr *ha;
/* Setup lport private data to point to fcoe softc */
fc = lport_priv(lp);
@ -250,9 +327,23 @@ static int fcoe_netdev_config(struct fc_lport *lp, struct net_device *netdev)
fc->fcoe_pending_queue_active = 0;
setup_timer(&fc->timer, fcoe_queue_timer, (unsigned long)lp);
/* look for SAN MAC address, if multiple SAN MACs exist, only
* use the first one for SPMA */
rcu_read_lock();
for_each_dev_addr(netdev, ha) {
if ((ha->type == NETDEV_HW_ADDR_T_SAN) &&
(is_valid_ether_addr(fc->ctlr.ctl_src_addr))) {
memcpy(fc->ctlr.ctl_src_addr, ha->addr, ETH_ALEN);
fc->ctlr.spma = 1;
break;
}
}
rcu_read_unlock();
/* setup Source Mac Address */
memcpy(fc->ctlr.ctl_src_addr, fc->real_dev->dev_addr,
fc->real_dev->addr_len);
if (!fc->ctlr.spma)
memcpy(fc->ctlr.ctl_src_addr, fc->real_dev->dev_addr,
fc->real_dev->addr_len);
wwnn = fcoe_wwn_from_mac(fc->real_dev->dev_addr, 1, 0);
fc_set_wwnn(lp, wwnn);
@ -267,7 +358,9 @@ static int fcoe_netdev_config(struct fc_lport *lp, struct net_device *netdev)
*/
rtnl_lock();
memcpy(flogi_maddr, (u8[6]) FC_FCOE_FLOGI_MAC, ETH_ALEN);
dev_unicast_add(fc->real_dev, flogi_maddr, ETH_ALEN);
dev_unicast_add(fc->real_dev, flogi_maddr);
if (fc->ctlr.spma)
dev_unicast_add(fc->real_dev, fc->ctlr.ctl_src_addr);
dev_mc_add(fc->real_dev, FIP_ALL_ENODE_MACS, ETH_ALEN, 0);
rtnl_unlock();
@ -280,6 +373,11 @@ static int fcoe_netdev_config(struct fc_lport *lp, struct net_device *netdev)
fc->fcoe_packet_type.dev = fc->real_dev;
dev_add_pack(&fc->fcoe_packet_type);
fc->fip_packet_type.func = fcoe_fip_recv;
fc->fip_packet_type.type = htons(ETH_P_FIP);
fc->fip_packet_type.dev = fc->real_dev;
dev_add_pack(&fc->fip_packet_type);
return 0;
}
@ -347,7 +445,6 @@ static int fcoe_if_destroy(struct net_device *netdev)
{
struct fc_lport *lp = NULL;
struct fcoe_softc *fc;
u8 flogi_maddr[ETH_ALEN];
BUG_ON(!netdev);
@ -366,9 +463,10 @@ static int fcoe_if_destroy(struct net_device *netdev)
/* Remove the instance from fcoe's list */
fcoe_hostlist_remove(lp);
/* Don't listen for Ethernet packets anymore */
dev_remove_pack(&fc->fcoe_packet_type);
dev_remove_pack(&fc->fip_packet_type);
/* clean up netdev configurations */
fcoe_netdev_cleanup(fc);
/* tear-down the FCoE controller */
fcoe_ctlr_destroy(&fc->ctlr);
/* Cleanup the fc_lport */
@ -383,16 +481,6 @@ static int fcoe_if_destroy(struct net_device *netdev)
if (lp->emp)
fc_exch_mgr_free(lp->emp);
/* Delete secondary MAC addresses */
rtnl_lock();
memcpy(flogi_maddr, (u8[6]) FC_FCOE_FLOGI_MAC, ETH_ALEN);
dev_unicast_delete(fc->real_dev, flogi_maddr, ETH_ALEN);
if (!is_zero_ether_addr(fc->ctlr.data_src_addr))
dev_unicast_delete(fc->real_dev,
fc->ctlr.data_src_addr, ETH_ALEN);
dev_mc_delete(fc->real_dev, FIP_ALL_ENODE_MACS, ETH_ALEN, 0);
rtnl_unlock();
/* Free the per-CPU receive threads */
fcoe_percpu_clean(lp);
@ -454,58 +542,6 @@ static struct libfc_function_template fcoe_libfc_fcn_templ = {
.ddp_done = fcoe_ddp_done,
};
/**
* fcoe_fip_recv - handle a received FIP frame.
* @skb: the receive skb
* @dev: associated &net_device
* @ptype: the &packet_type structure which was used to register this handler.
* @orig_dev: original receive &net_device, in case @dev is a bond.
*
* Returns: 0 for success
*/
static int fcoe_fip_recv(struct sk_buff *skb, struct net_device *dev,
struct packet_type *ptype,
struct net_device *orig_dev)
{
struct fcoe_softc *fc;
fc = container_of(ptype, struct fcoe_softc, fip_packet_type);
fcoe_ctlr_recv(&fc->ctlr, skb);
return 0;
}
/**
* fcoe_fip_send() - send an Ethernet-encapsulated FIP frame.
* @fip: FCoE controller.
* @skb: FIP Packet.
*/
static void fcoe_fip_send(struct fcoe_ctlr *fip, struct sk_buff *skb)
{
skb->dev = fcoe_from_ctlr(fip)->real_dev;
dev_queue_xmit(skb);
}
/**
* fcoe_update_src_mac() - Update Ethernet MAC filters.
* @fip: FCoE controller.
* @old: Unicast MAC address to delete if the MAC is non-zero.
* @new: Unicast MAC address to add.
*
* Remove any previously-set unicast MAC filter.
* Add secondary FCoE MAC address filter for our OUI.
*/
static void fcoe_update_src_mac(struct fcoe_ctlr *fip, u8 *old, u8 *new)
{
struct fcoe_softc *fc;
fc = fcoe_from_ctlr(fip);
rtnl_lock();
if (!is_zero_ether_addr(old))
dev_unicast_delete(fc->real_dev, old, ETH_ALEN);
dev_unicast_add(fc->real_dev, new, ETH_ALEN);
rtnl_unlock();
}
/**
* fcoe_if_create() - this function creates the fcoe interface
* @netdev: pointer the associated netdevice
@ -547,13 +583,6 @@ static int fcoe_if_create(struct net_device *netdev)
goto out_host_put;
}
/* configure lport network properties */
rc = fcoe_netdev_config(lp, netdev);
if (rc) {
FC_DBG("Could not configure netdev for lport\n");
goto out_host_put;
}
/*
* Initialize FIP.
*/
@ -561,23 +590,25 @@ static int fcoe_if_create(struct net_device *netdev)
fc->ctlr.send = fcoe_fip_send;
fc->ctlr.update_mac = fcoe_update_src_mac;
fc->fip_packet_type.func = fcoe_fip_recv;
fc->fip_packet_type.type = htons(ETH_P_FIP);
fc->fip_packet_type.dev = fc->real_dev;
dev_add_pack(&fc->fip_packet_type);
/* configure lport network properties */
rc = fcoe_netdev_config(lp, netdev);
if (rc) {
FC_DBG("Could not configure netdev for the interface\n");
goto out_netdev_cleanup;
}
/* configure lport scsi host properties */
rc = fcoe_shost_config(lp, shost, &netdev->dev);
if (rc) {
FC_DBG("Could not configure shost for lport\n");
goto out_host_put;
goto out_netdev_cleanup;
}
/* lport exch manager allocation */
rc = fcoe_em_config(lp);
if (rc) {
FC_DBG("Could not configure em for lport\n");
goto out_host_put;
goto out_netdev_cleanup;
}
/* Initialize the library */
@ -603,6 +634,8 @@ static int fcoe_if_create(struct net_device *netdev)
out_lp_destroy:
fc_exch_mgr_free(lp->emp); /* Free the EM */
out_netdev_cleanup:
fcoe_netdev_cleanup(fc);
out_host_put:
scsi_host_put(lp->host);
return rc;

10
drivers/scsi/fcoe/libfcoe.c
View file

@ -198,6 +198,8 @@ static void fcoe_ctlr_solicit(struct fcoe_ctlr *fip, struct fcoe_fcf *fcf)
sol->fip.fip_subcode = FIP_SC_SOL;
sol->fip.fip_dl_len = htons(sizeof(sol->desc) / FIP_BPW);
sol->fip.fip_flags = htons(FIP_FL_FPMA);
if (fip->spma)
sol->fip.fip_flags |= htons(FIP_FL_SPMA);
sol->desc.mac.fd_desc.fip_dtype = FIP_DT_MAC;
sol->desc.mac.fd_desc.fip_dlen = sizeof(sol->desc.mac) / FIP_BPW;
@ -350,6 +352,8 @@ static void fcoe_ctlr_send_keep_alive(struct fcoe_ctlr *fip, int ports, u8 *sa)
kal->fip.fip_dl_len = htons((sizeof(kal->mac) +
ports * sizeof(*vn)) / FIP_BPW);
kal->fip.fip_flags = htons(FIP_FL_FPMA);
if (fip->spma)
kal->fip.fip_flags |= htons(FIP_FL_SPMA);
kal->mac.fd_desc.fip_dtype = FIP_DT_MAC;
kal->mac.fd_desc.fip_dlen = sizeof(kal->mac) / FIP_BPW;
@ -413,6 +417,8 @@ static int fcoe_ctlr_encaps(struct fcoe_ctlr *fip,
cap->fip.fip_subcode = FIP_SC_REQ;
cap->fip.fip_dl_len = htons((dlen + sizeof(*mac)) / FIP_BPW);
cap->fip.fip_flags = htons(FIP_FL_FPMA);
if (fip->spma)
cap->fip.fip_flags |= htons(FIP_FL_SPMA);
cap->encaps.fd_desc.fip_dtype = dtype;
cap->encaps.fd_desc.fip_dlen = dlen / FIP_BPW;
@ -421,8 +427,10 @@ static int fcoe_ctlr_encaps(struct fcoe_ctlr *fip,
memset(mac, 0, sizeof(mac));
mac->fd_desc.fip_dtype = FIP_DT_MAC;
mac->fd_desc.fip_dlen = sizeof(*mac) / FIP_BPW;
if (dtype != ELS_FLOGI)
if (dtype != FIP_DT_FLOGI)
memcpy(mac->fd_mac, fip->data_src_addr, ETH_ALEN);
else if (fip->spma)
memcpy(mac->fd_mac, fip->ctl_src_addr, ETH_ALEN);
skb->protocol = htons(ETH_P_FIP);
skb_reset_mac_header(skb);