--- /dev/null
+#ifndef _IPXE_FIP_H
+#define _IPXE_FIP_H
+
+/*
+ * Copyright (C) 2010 Michael Brown <mbrown@fensystems.co.uk>.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <stdint.h>
+#include <ipxe/fc.h>
+#include <ipxe/fcels.h>
+#include <ipxe/fcoe.h>
+
+/** A FIP frame header */
+struct fip_header {
+ /** Frame version */
+ uint8_t version;
+ /** Reserved */
+ uint8_t reserved_a;
+ /** Protocol code */
+ uint16_t code;
+ /** Reserved */
+ uint8_t reserved_b;
+ /** Subcode */
+ uint8_t subcode;
+ /** Descriptor list length in 32-bit words */
+ uint16_t len;
+ /** Flags */
+ uint16_t flags;
+} __attribute__ (( packed ));
+
+/** FIP frame version */
+#define FIP_VERSION 0x10
+
+/** FIP protocol code */
+enum fip_code {
+ FIP_CODE_DISCOVERY = 0x0001, /**< Discovery */
+ FIP_CODE_ELS = 0x0002, /**< Extended link services */
+ FIP_CODE_MAINTAIN = 0x0003, /**< Maintain virtual links */
+ FIP_CODE_VLAN = 0x0004, /**< VLAN */
+};
+
+/** FIP protocol subcode for discovery */
+enum fip_discovery_subcode {
+ FIP_DISCOVERY_SOLICIT = 0x01, /**< Discovery solicitation */
+ FIP_DISCOVERY_ADVERTISE = 0x02, /**< Discovery advertisement */
+};
+
+/** FIP protocol subcode for extended link services */
+enum fip_els_subcode {
+ FIP_ELS_REQUEST = 0x01, /**< ELS request */
+ FIP_ELS_RESPONSE = 0x02, /**< ELS response */
+};
+
+/** FIP protocol subcode for keep alive / clear links */
+enum fip_vitality_subcode {
+ FIP_MAINTAIN_KEEP_ALIVE = 0x01, /**< Keep alive */
+ FIP_MAINTAIN_CLEAR_LINKS = 0x02,/**< Clear virtual links */
+};
+
+/** FIP protocol subcode for VLAN */
+enum fip_vlan_subcode {
+ FIP_VLAN_REQUEST = 0x01, /**< VLAN request */
+ FIP_VLAN_NOTIFY = 0x02, /**< VLAN notification */
+};
+
+/** FIP flags */
+enum fip_flags {
+ FIP_FP = 0x8000, /**< Fabric-provided MAC address */
+ FIP_SP = 0x4000, /**< Server-provided MAC address */
+ FIP_A = 0x0004, /**< Available for login */
+ FIP_S = 0x0002, /**< Solicited */
+ FIP_F = 0x0001, /**< Forwarder */
+};
+
+/** FIP descriptor common fields */
+struct fip_common {
+ /** Type */
+ uint8_t type;
+ /** Length in 32-bit words */
+ uint8_t len;
+ /** Reserved */
+ uint8_t reserved[2];
+} __attribute__ (( packed ));
+
+/** FIP descriptor types */
+enum fip_type {
+ FIP_RESERVED = 0x00, /**< Reserved */
+ FIP_PRIORITY = 0x01, /**< Priority */
+ FIP_MAC_ADDRESS = 0x02, /**< MAC address */
+ FIP_FC_MAP = 0x03, /**< FC-MAP */
+ FIP_NAME_ID = 0x04, /**< Name identifier */
+ FIP_FABRIC = 0x05, /**< Fabric */
+ FIP_MAX_FCOE_SIZE = 0x06, /**< Max FCoE size */
+ FIP_FLOGI = 0x07, /**< FLOGI */
+ FIP_NPIV_FDISC = 0x08, /**< NPIV FDISC */
+ FIP_LOGO = 0x09, /**< LOGO */
+ FIP_ELP = 0x0a, /**< ELP */
+ FIP_VX_PORT_ID = 0x0b, /**< Vx port identification */
+ FIP_FKA_ADV_P = 0x0c, /**< FKA ADV period */
+ FIP_VENDOR_ID = 0x0d, /**< Vendor ID */
+ FIP_VLAN = 0x0e, /**< VLAN */
+ FIP_NUM_DESCRIPTOR_TYPES
+};
+
+/** FIP descriptor type is critical */
+#define FIP_IS_CRITICAL( type ) ( (type) <= 0x7f )
+
+/** A FIP priority descriptor */
+struct fip_priority {
+ /** Type */
+ uint8_t type;
+ /** Length in 32-bit words */
+ uint8_t len;
+ /** Reserved */
+ uint8_t reserved;
+ /** Priority
+ *
+ * A higher value indicates a lower priority.
+ */
+ uint8_t priority;
+} __attribute__ (( packed ));
+
+/** Default FIP priority */
+#define FIP_DEFAULT_PRIORITY 128
+
+/** Lowest FIP priority */
+#define FIP_LOWEST_PRIORITY 255
+
+/** A FIP MAC address descriptor */
+struct fip_mac_address {
+ /** Type */
+ uint8_t type;
+ /** Length in 32-bit words */
+ uint8_t len;
+ /** MAC address */
+ uint8_t mac[ETH_ALEN];
+} __attribute__ (( packed ));
+
+/** A FIP FC-MAP descriptor */
+struct fip_fc_map {
+ /** Type */
+ uint8_t type;
+ /** Length in 32-bit words */
+ uint8_t len;
+ /** Reserved */
+ uint8_t reserved[3];
+ /** FC-MAP */
+ struct fcoe_map map;
+} __attribute__ (( packed ));
+
+/** A FIP name identifier descriptor */
+struct fip_name_id {
+ /** Type */
+ uint8_t type;
+ /** Length in 32-bit words */
+ uint8_t len;
+ /** Reserved */
+ uint8_t reserved[2];
+ /** Name identifier */
+ struct fc_name name;
+} __attribute__ (( packed ));
+
+/** A FIP fabric descriptor */
+struct fip_fabric {
+ /** Type */
+ uint8_t type;
+ /** Length in 32-bit words */
+ uint8_t len;
+ /** Virtual Fabric ID, if any */
+ uint16_t vf_id;
+ /** Reserved */
+ uint8_t reserved;
+ /** FC-MAP */
+ struct fcoe_map map;
+ /** Fabric name */
+ struct fc_name name;
+} __attribute__ (( packed ));
+
+/** A FIP max FCoE size descriptor */
+struct fip_max_fcoe_size {
+ /** Type */
+ uint8_t type;
+ /** Length in 32-bit words */
+ uint8_t len;
+ /** Maximum FCoE size */
+ uint16_t mtu;
+} __attribute__ (( packed ));
+
+/** A FIP descriptor containing an encapsulated ELS frame */
+struct fip_els {
+ /** Type */
+ uint8_t type;
+ /** Length in 32-bit words */
+ uint8_t len;
+ /** Reserved */
+ uint8_t reserved[2];
+ /** Fibre Channel frame header */
+ struct fc_frame_header fc;
+ /** ELS frame */
+ struct fc_els_frame_common els;
+} __attribute__ (( packed ));
+
+/** A FIP descriptor containing an encapsulated login frame */
+struct fip_login {
+ /** Type */
+ uint8_t type;
+ /** Length in 32-bit words */
+ uint8_t len;
+ /** Reserved */
+ uint8_t reserved[2];
+ /** Fibre Channel frame header */
+ struct fc_frame_header fc;
+ /** ELS frame */
+ struct fc_login_frame els;
+} __attribute__ (( packed ));
+
+/** A FIP descriptor containing an encapsulated LOGO request frame */
+struct fip_logo_request {
+ /** Type */
+ uint8_t type;
+ /** Length in 32-bit words */
+ uint8_t len;
+ /** Reserved */
+ uint8_t reserved[2];
+ /** Fibre Channel frame header */
+ struct fc_frame_header fc;
+ /** ELS frame */
+ struct fc_logout_request_frame els;
+} __attribute__ (( packed ));
+
+/** A FIP descriptor containing an encapsulated LOGO response frame */
+struct fip_logo_response {
+ /** Type */
+ uint8_t type;
+ /** Length in 32-bit words */
+ uint8_t len;
+ /** Reserved */
+ uint8_t reserved[2];
+ /** Fibre Channel frame header */
+ struct fc_frame_header fc;
+ /** ELS frame */
+ struct fc_logout_response_frame els;
+} __attribute__ (( packed ));
+
+/** A FIP descriptor containing an encapsulated ELP frame */
+struct fip_elp {
+ /** Type */
+ uint8_t type;
+ /** Length in 32-bit words */
+ uint8_t len;
+ /** Reserved */
+ uint8_t reserved[2];
+ /** Fibre Channel frame header */
+ struct fc_frame_header fc;
+ /** ELS frame */
+ struct fc_els_frame_common els;
+ /** Uninteresting content */
+ uint32_t dull[25];
+} __attribute__ (( packed ));
+
+/** A FIP descriptor containing an encapsulated LS_RJT frame */
+struct fip_ls_rjt {
+ /** Type */
+ uint8_t type;
+ /** Length in 32-bit words */
+ uint8_t len;
+ /** Reserved */
+ uint8_t reserved[2];
+ /** Fibre Channel frame header */
+ struct fc_frame_header fc;
+ /** ELS frame */
+ struct fc_ls_rjt_frame els;
+} __attribute__ (( packed ));
+
+/** A FIP Vx port identification descriptor */
+struct fip_vx_port_id {
+ /** Type */
+ uint8_t type;
+ /** Length in 32-bit words */
+ uint8_t len;
+ /** MAC address */
+ uint8_t mac[ETH_ALEN];
+ /** Reserved */
+ uint8_t reserved;
+ /** Address identifier */
+ struct fc_port_id id;
+ /** Port name */
+ struct fc_name name;
+} __attribute__ (( packed ));
+
+/** A FIP FKA ADV period descriptor */
+struct fip_fka_adv_p {
+ /** Type */
+ uint8_t type;
+ /** Length in 32-bit words */
+ uint8_t len;
+ /** Reserved */
+ uint8_t reserved;
+ /** Flags */
+ uint8_t flags;
+ /** Keep alive advertisement period in milliseconds */
+ uint32_t period;
+} __attribute__ (( packed ));
+
+/** FIP FKA ADV period flags */
+enum fip_fka_adv_p_flags {
+ FIP_NO_KEEPALIVE = 0x01, /**< Do not send keepalives */
+};
+
+/** A FIP vendor ID descriptor */
+struct fip_vendor_id {
+ /** Type */
+ uint8_t type;
+ /** Length in 32-bit words */
+ uint8_t len;
+ /** Reserved */
+ uint8_t reserved[2];
+ /** Vendor ID */
+ uint8_t vendor[8];
+} __attribute__ (( packed ));
+
+/** A FIP VLAN descriptor */
+struct fip_vlan {
+ /** Type */
+ uint8_t type;
+ /** Length in 32-bit words */
+ uint8_t len;
+ /** VLAN ID */
+ uint16_t vlan;
+} __attribute__ (( packed ));
+
+/** A FIP descriptor */
+union fip_descriptor {
+ /** Common fields */
+ struct fip_common common;
+ /** Priority descriptor */
+ struct fip_priority priority;
+ /** MAC address descriptor */
+ struct fip_mac_address mac_address;
+ /** FC-MAP descriptor */
+ struct fip_fc_map fc_map;
+ /** Name identifier descriptor */
+ struct fip_name_id name_id;
+ /** Fabric descriptor */
+ struct fip_fabric fabric;
+ /** Max FCoE size descriptor */
+ struct fip_max_fcoe_size max_fcoe_size;
+ /** FLOGI descriptor */
+ struct fip_els flogi;
+ /** FLOGI request descriptor */
+ struct fip_login flogi_request;
+ /** FLOGI LS_ACC descriptor */
+ struct fip_login flogi_ls_acc;
+ /** FLOGI LS_RJT descriptor */
+ struct fip_ls_rjt flogi_ls_rjt;
+ /** NPIV FDISC descriptor */
+ struct fip_els npiv_fdisc;
+ /** NPIV FDISC request descriptor */
+ struct fip_login npiv_fdisc_request;
+ /** NPIV FDISC LS_ACC descriptor */
+ struct fip_login npiv_fdisc_ls_acc;
+ /** NPIV FDISC LS_RJT descriptor */
+ struct fip_ls_rjt npiv_fdisc_ls_rjt;
+ /** LOGO descriptor */
+ struct fip_els logo;
+ /** LOGO request descriptor */
+ struct fip_logo_request logo_request;
+ /** LOGO LS_ACC descriptor */
+ struct fip_logo_response logo_ls_acc;
+ /** LOGO LS_RJT descriptor */
+ struct fip_ls_rjt logo_ls_rjt;
+ /** ELS descriptor */
+ struct fip_els elp;
+ /** ELP request descriptor */
+ struct fip_elp elp_request;
+ /** ELP LS_ACC descriptor */
+ struct fip_elp elp_ls_acc;
+ /** ELP LS_RJT descriptor */
+ struct fip_ls_rjt elp_ls_rjt;
+ /** Vx port identification descriptor */
+ struct fip_vx_port_id vx_port_id;
+ /** FKA ADV period descriptor */
+ struct fip_fka_adv_p fka_adv_p;
+ /** Vendor ID descriptor */
+ struct fip_vendor_id vendor_id;
+ /** VLAN descriptor */
+ struct fip_vlan vlan;
+} __attribute__ (( packed ));
+
+/** A FIP descriptor set */
+struct fip_descriptors {
+ /** Descriptors, indexed by type */
+ union fip_descriptor *desc[FIP_NUM_DESCRIPTOR_TYPES];
+};
+
+/**
+ * Define a function to extract a specific FIP descriptor type from a list
+ *
+ * @v type Descriptor type
+ * @v name Descriptor name
+ * @v finder Descriptor finder
+ */
+#define FIP_DESCRIPTOR( type, name ) \
+ static inline __attribute__ (( always_inline )) \
+ typeof ( ( ( union fip_descriptor * ) NULL )->name ) * \
+ fip_ ## name ( struct fip_descriptors *descs ) { \
+ return &(descs->desc[type]->name); \
+ }
+FIP_DESCRIPTOR ( FIP_PRIORITY, priority );
+FIP_DESCRIPTOR ( FIP_MAC_ADDRESS, mac_address );
+FIP_DESCRIPTOR ( FIP_FC_MAP, fc_map );
+FIP_DESCRIPTOR ( FIP_NAME_ID, name_id );
+FIP_DESCRIPTOR ( FIP_FABRIC, fabric );
+FIP_DESCRIPTOR ( FIP_MAX_FCOE_SIZE, max_fcoe_size );
+FIP_DESCRIPTOR ( FIP_FLOGI, flogi );
+FIP_DESCRIPTOR ( FIP_FLOGI, flogi_request );
+FIP_DESCRIPTOR ( FIP_FLOGI, flogi_ls_acc );
+FIP_DESCRIPTOR ( FIP_FLOGI, flogi_ls_rjt );
+FIP_DESCRIPTOR ( FIP_NPIV_FDISC, npiv_fdisc );
+FIP_DESCRIPTOR ( FIP_NPIV_FDISC, npiv_fdisc_request );
+FIP_DESCRIPTOR ( FIP_NPIV_FDISC, npiv_fdisc_ls_acc );
+FIP_DESCRIPTOR ( FIP_NPIV_FDISC, npiv_fdisc_ls_rjt );
+FIP_DESCRIPTOR ( FIP_LOGO, logo );
+FIP_DESCRIPTOR ( FIP_LOGO, logo_request );
+FIP_DESCRIPTOR ( FIP_LOGO, logo_ls_acc );
+FIP_DESCRIPTOR ( FIP_LOGO, logo_ls_rjt );
+FIP_DESCRIPTOR ( FIP_ELP, elp );
+FIP_DESCRIPTOR ( FIP_ELP, elp_request );
+FIP_DESCRIPTOR ( FIP_ELP, elp_ls_acc );
+FIP_DESCRIPTOR ( FIP_ELP, elp_ls_rjt );
+FIP_DESCRIPTOR ( FIP_VX_PORT_ID, vx_port_id );
+FIP_DESCRIPTOR ( FIP_FKA_ADV_P, fka_adv_p );
+FIP_DESCRIPTOR ( FIP_VENDOR_ID, vendor_id );
+FIP_DESCRIPTOR ( FIP_VLAN, vlan );
+
+#endif /* _IPXE_FIP_H */
#include <ipxe/interface.h>
#include <ipxe/xfer.h>
#include <ipxe/netdevice.h>
+#include <ipxe/ethernet.h>
#include <ipxe/features.h>
#include <ipxe/errortab.h>
#include <ipxe/device.h>
#include <ipxe/crc32.h>
+#include <ipxe/retry.h>
+#include <ipxe/timer.h>
#include <ipxe/fc.h>
+#include <ipxe/fip.h>
#include <ipxe/fcoe.h>
/** @file
struct interface transport;
/** Network device */
struct net_device *netdev;
+
+ /** Node WWN */
+ union fcoe_name node_wwn;
+ /** Port WWN */
+ union fcoe_name port_wwn;
+
+ /** FIP retransmission timer */
+ struct retry_timer timer;
+ /** FIP timeout counter */
+ unsigned int timeouts;
+ /** Flags */
+ unsigned int flags;
+ /** FCoE forwarder priority */
+ unsigned int priority;
+ /** Keepalive delay (in ms) */
+ unsigned int keepalive;
/** FCoE forwarder MAC address */
- uint8_t fcf_ll_addr[ETH_ALEN];
+ uint8_t fcf_mac[ETH_ALEN];
+ /** Local MAC address */
+ uint8_t local_mac[ETH_ALEN];
};
-/** List of FCoE ports */
-static LIST_HEAD ( fcoe_ports );
+/** FCoE flags */
+enum fcoe_flags {
+ /** Underlying network device is available */
+ FCOE_HAVE_NETWORK = 0x0001,
+ /** We have selected an FCoE forwarder to use */
+ FCOE_HAVE_FCF = 0x0002,
+ /** We have a FIP-capable FCoE forwarder available to be used */
+ FCOE_HAVE_FIP_FCF = 0x0004,
+};
struct net_protocol fcoe_protocol __net_protocol;
+struct net_protocol fip_protocol __net_protocol;
+
+/** FCoE All-FCoE-MACs address */
+static uint8_t all_fcoe_macs[ETH_ALEN] =
+ { 0x01, 0x10, 0x18, 0x01, 0x00, 0x00 };
+
+/** FCoE All-ENode-MACs address */
+static uint8_t all_enode_macs[ETH_ALEN] =
+ { 0x01, 0x10, 0x18, 0x01, 0x00, 0x01 };
+
+/** FCoE All-FCF-MACs address */
+static uint8_t all_fcf_macs[ETH_ALEN] =
+ { 0x01, 0x10, 0x18, 0x01, 0x00, 0x02 };
/** Default FCoE forwarded MAC address */
-uint8_t fcoe_default_fcf_ll_addr[ETH_ALEN] =
+static uint8_t default_fcf_mac[ETH_ALEN] =
{ 0x0e, 0xfc, 0x00, 0xff, 0xff, 0xfe };
+/** Maximum number of FIP solicitations before giving up on FIP */
+#define FCOE_MAX_FIP_SOLICITATIONS 2
+
+/** Delay between retrying FIP solicitations */
+#define FCOE_FIP_RETRY_DELAY ( TICKS_PER_SEC )
+
+/** Maximum number of missing discovery advertisements */
+#define FCOE_MAX_FIP_MISSING_KEEPALIVES 4
+
+/** List of FCoE ports */
+static LIST_HEAD ( fcoe_ports );
+
+/******************************************************************************
+ *
+ * FCoE protocol
+ *
+ ******************************************************************************
+ */
+
/**
* Identify FCoE port by network device
*
return NULL;
}
+/**
+ * Reset FCoE port
+ *
+ * @v fcoe FCoE port
+ */
+static void fcoe_reset ( struct fcoe_port *fcoe ) {
+
+ /* Reset any FIP state */
+ stop_timer ( &fcoe->timer );
+ fcoe->timeouts = 0;
+ fcoe->flags = 0;
+ fcoe->priority = ( FIP_LOWEST_PRIORITY + 1 );
+ fcoe->keepalive = 0;
+ memcpy ( fcoe->fcf_mac, default_fcf_mac,
+ sizeof ( fcoe->fcf_mac ) );
+ memcpy ( fcoe->local_mac, fcoe->netdev->ll_addr,
+ sizeof ( fcoe->local_mac ) );
+
+ /* Start FIP solicitation if network is available */
+ if ( netdev_is_open ( fcoe->netdev ) &&
+ netdev_link_ok ( fcoe->netdev ) ) {
+ fcoe->flags |= FCOE_HAVE_NETWORK;
+ start_timer_nodelay ( &fcoe->timer );
+ DBGC ( fcoe, "FCoE %s starting FIP solicitation\n",
+ fcoe->netdev->name );
+ }
+
+ /* Send notification of window change */
+ xfer_window_changed ( &fcoe->transport );
+}
+
/**
* Transmit FCoE packet
*
struct io_buffer *iobuf,
struct xfer_metadata *meta __unused ) {
struct fc_frame_header *fchdr = iobuf->data;
+ struct fc_els_frame_common *els = ( iobuf->data + sizeof ( *fchdr ) );
struct fcoe_header *fcoehdr;
struct fcoe_footer *fcoeftr;
+ struct fip_header *fiphdr;
+ struct fip_login *fipflogi;
+ struct fip_mac_address *fipmac;
uint32_t crc;
+ struct net_protocol *net_protocol;
+ void *ll_source;
int rc;
- /* Calculate CRC */
- crc = crc32_le ( ~((uint32_t)0), iobuf->data, iob_len ( iobuf ) );
+ /* Send as FIP or FCoE as appropriate */
+ if ( ( fchdr->r_ctl == ( FC_R_CTL_ELS | FC_R_CTL_UNSOL_CTRL ) ) &&
+ ( els->command == FC_ELS_FLOGI ) &&
+ ( fcoe->flags & FCOE_HAVE_FIP_FCF ) ) {
+
+ /* Create FIP FLOGI descriptor */
+ fipflogi = iob_push ( iobuf,
+ offsetof ( typeof ( *fipflogi ), fc ) );
+ memset ( fipflogi, 0, offsetof ( typeof ( *fipflogi ), fc ) );
+ fipflogi->type = FIP_FLOGI;
+ fipflogi->len = ( iob_len ( iobuf ) / 4 );
+
+ /* Create FIP MAC address descriptor */
+ fipmac = iob_put ( iobuf, sizeof ( *fipmac ) );
+ memset ( fipmac, 0, sizeof ( *fipmac ) );
+ fipmac->type = FIP_MAC_ADDRESS;
+ fipmac->len = ( sizeof ( *fipmac ) / 4 );
+ memcpy ( fipmac->mac, fcoe->netdev->ll_addr,
+ sizeof ( fipmac->mac ) );
+
+ /* Create FIP header */
+ fiphdr = iob_push ( iobuf, sizeof ( *fiphdr ) );
+ memset ( fiphdr, 0, sizeof ( *fiphdr ) );
+ fiphdr->version = FIP_VERSION;
+ fiphdr->code = htons ( FIP_CODE_ELS );
+ fiphdr->subcode = FIP_ELS_REQUEST;
+ fiphdr->len =
+ htons ( ( iob_len ( iobuf ) - sizeof ( *fiphdr ) ) / 4);
+ fiphdr->flags = htons ( FIP_FP | FIP_SP );
+
+ /* Send as FIP packet from netdev's own MAC address */
+ net_protocol = &fip_protocol;
+ ll_source = fcoe->netdev->ll_addr;
+
+ } else {
+
+ /* Calculate CRC */
+ crc = crc32_le ( ~((uint32_t)0), iobuf->data,
+ iob_len ( iobuf ) );
- /* Create FCoE header */
- fcoehdr = iob_push ( iobuf, sizeof ( *fcoehdr ) );
- memset ( fcoehdr, 0, sizeof ( *fcoehdr ) );
- fcoehdr->sof = ( ( fchdr->seq_cnt == ntohs ( 0 ) ) ?
- FCOE_SOF_I3 : FCOE_SOF_N3 );
- fcoeftr = iob_put ( iobuf, sizeof ( *fcoeftr ) );
- memset ( fcoeftr, 0, sizeof ( *fcoeftr ) );
- fcoeftr->crc = cpu_to_le32 ( crc ^ ~((uint32_t)0) );
- fcoeftr->eof = ( ( fchdr->f_ctl_es & FC_F_CTL_ES_END ) ?
- FCOE_EOF_T : FCOE_EOF_N );
+ /* Create FCoE header */
+ fcoehdr = iob_push ( iobuf, sizeof ( *fcoehdr ) );
+ memset ( fcoehdr, 0, sizeof ( *fcoehdr ) );
+ fcoehdr->sof = ( ( fchdr->seq_cnt == ntohs ( 0 ) ) ?
+ FCOE_SOF_I3 : FCOE_SOF_N3 );
+
+ /* Create FCoE footer */
+ fcoeftr = iob_put ( iobuf, sizeof ( *fcoeftr ) );
+ memset ( fcoeftr, 0, sizeof ( *fcoeftr ) );
+ fcoeftr->crc = cpu_to_le32 ( crc ^ ~((uint32_t)0) );
+ fcoeftr->eof = ( ( fchdr->f_ctl_es & FC_F_CTL_ES_END ) ?
+ FCOE_EOF_T : FCOE_EOF_N );
+
+ /* Send as FCoE packet from FCoE MAC address */
+ net_protocol = &fcoe_protocol;
+ ll_source = fcoe->local_mac;
+ }
/* Transmit packet */
- if ( ( rc = net_tx ( iob_disown ( iobuf ), fcoe->netdev, &fcoe_protocol,
- fcoe->fcf_ll_addr, fcoe->netdev->ll_addr )) != 0){
+ if ( ( rc = net_tx ( iob_disown ( iobuf ), fcoe->netdev, net_protocol,
+ fcoe->fcf_mac, ll_source ) ) != 0 ) {
DBGC ( fcoe, "FCoE %s could not transmit: %s\n",
fcoe->netdev->name, strerror ( rc ) );
goto done;
* @ret rc Return status code
*/
static int fcoe_rx ( struct io_buffer *iobuf, struct net_device *netdev,
- const void *ll_dest __unused, const void *ll_source ) {
+ const void *ll_dest, const void *ll_source ) {
struct fcoe_header *fcoehdr;
struct fcoe_footer *fcoeftr;
struct fcoe_port *fcoe;
goto done;
}
+ /* Discard packets not destined for us */
+ if ( ( memcmp ( fcoe->local_mac, ll_dest,
+ sizeof ( fcoe->local_mac ) ) != 0 ) &&
+ ( memcmp ( default_fcf_mac, ll_dest,
+ sizeof ( default_fcf_mac ) ) != 0 ) ) {
+ DBGC2 ( fcoe, "FCoE %s ignoring packet for %s\n",
+ fcoe->netdev->name, eth_ntoa ( ll_dest ) );
+ rc = -ENOTCONN;
+ goto done;
+ }
+
/* Sanity check */
if ( iob_len ( iobuf ) < ( sizeof ( *fcoehdr ) + sizeof ( *fcoeftr ) )){
DBGC ( fcoe, "FCoE %s received under-length frame (%zd "
goto done;
}
- /* Record FCF address */
- memcpy ( &fcoe->fcf_ll_addr, ll_source, sizeof ( fcoe->fcf_ll_addr ) );
+ /* Record FCF address if applicable */
+ if ( ( fcoe->flags & FCOE_HAVE_FCF ) &&
+ ( ! ( fcoe->flags & FCOE_HAVE_FIP_FCF ) ) ) {
+ memcpy ( &fcoe->fcf_mac, ll_source, sizeof ( fcoe->fcf_mac ) );
+ }
/* Hand off via transport interface */
if ( ( rc = xfer_deliver_iob ( &fcoe->transport,
* @ret len Length of window
*/
static size_t fcoe_window ( struct fcoe_port *fcoe ) {
- struct net_device *netdev = fcoe->netdev;
-
- return ( ( netdev_is_open ( netdev ) && netdev_link_ok ( netdev ) ) ?
- ~( ( size_t ) 0 ) : 0 );
+ return ( ( fcoe->flags & FCOE_HAVE_FCF ) ? ~( ( size_t ) 0 ) : 0 );
}
/**
*/
static void fcoe_close ( struct fcoe_port *fcoe, int rc ) {
+ stop_timer ( &fcoe->timer );
intf_shutdown ( &fcoe->transport, rc );
netdev_put ( fcoe->netdev );
list_del ( &fcoe->list );
static struct interface_descriptor fcoe_transport_desc =
INTF_DESC ( struct fcoe_port, transport, fcoe_transport_op );
+/******************************************************************************
+ *
+ * FIP protocol
+ *
+ ******************************************************************************
+ */
+
+/**
+ * Parse FIP packet into descriptor set
+ *
+ * @v fcoe FCoE port
+ * @v fiphdr FIP header
+ * @v len Length of FIP packet
+ * @v descs Descriptor set to fill in
+ * @ret rc Return status code
+ */
+static int fcoe_fip_parse ( struct fcoe_port *fcoe, struct fip_header *fiphdr,
+ size_t len, struct fip_descriptors *descs ) {
+ union fip_descriptor *desc;
+ size_t descs_len;
+ size_t desc_len;
+ size_t desc_offset;
+ unsigned int desc_type;
+
+ /* Check FIP version */
+ if ( fiphdr->version != FIP_VERSION ) {
+ DBGC ( fcoe, "FCoE %s received unsupported FIP version %02x\n",
+ fcoe->netdev->name, fiphdr->version );
+ return -EINVAL;
+ }
+
+ /* Check length */
+ descs_len = ( ntohs ( fiphdr->len ) * 4 );
+ if ( ( sizeof ( *fiphdr ) + descs_len ) > len ) {
+ DBGC ( fcoe, "FCoE %s received bad descriptor list length\n",
+ fcoe->netdev->name );
+ return -EINVAL;
+ }
+
+ /* Parse descriptor list */
+ memset ( descs, 0, sizeof ( *descs ) );
+ for ( desc_offset = 0 ;
+ desc_offset <= ( descs_len - sizeof ( desc->common ) ) ;
+ desc_offset += desc_len ) {
+
+ /* Find descriptor and validate length */
+ desc = ( ( ( void * ) ( fiphdr + 1 ) ) + desc_offset );
+ desc_type = desc->common.type;
+ desc_len = ( desc->common.len * 4 );
+ if ( desc_len == 0 ) {
+ DBGC ( fcoe, "FCoE %s received zero-length "
+ "descriptor\n", fcoe->netdev->name );
+ return -EINVAL;
+ }
+ if ( ( desc_offset + desc_len ) > descs_len ) {
+ DBGC ( fcoe, "FCoE %s descriptor overrun\n",
+ fcoe->netdev->name );
+ return -EINVAL;
+ }
+
+ /* Handle descriptors that we understand */
+ if ( ( desc_type > FIP_RESERVED ) &&
+ ( desc_type < FIP_NUM_DESCRIPTOR_TYPES ) ) {
+ descs->desc[desc_type] = desc;
+ continue;
+ }
+
+ /* Abort if we cannot understand a critical descriptor */
+ if ( FIP_IS_CRITICAL ( desc_type ) ) {
+ DBGC ( fcoe, "FCoE %s cannot understand critical "
+ "descriptor type %02x\n",
+ fcoe->netdev->name, desc_type );
+ return -ENOTSUP;
+ }
+
+ /* Ignore non-critical descriptors that we cannot understand */
+ }
+
+ return 0;
+}
+
+/**
+ * Send FIP discovery solicitation
+ *
+ * @v fcoe FCoE port
+ * @ret rc Return status code
+ */
+static int fcoe_fip_tx_solicitation ( struct fcoe_port *fcoe ) {
+ struct io_buffer *iobuf;
+ struct {
+ struct fip_header hdr;
+ struct fip_mac_address mac_address;
+ struct fip_name_id name_id;
+ struct fip_max_fcoe_size max_fcoe_size;
+ } __attribute__ (( packed )) *solicitation;
+ int rc;
+
+ /* Allocate I/O buffer */
+ iobuf = alloc_iob ( MAX_LL_HEADER_LEN + sizeof ( *solicitation ) );
+ if ( ! iobuf )
+ return -ENOMEM;
+ iob_reserve ( iobuf, MAX_LL_HEADER_LEN );
+
+ /* Construct discovery solicitation */
+ solicitation = iob_put ( iobuf, sizeof ( *solicitation ) );
+ memset ( solicitation, 0, sizeof ( *solicitation ) );
+ solicitation->hdr.version = FIP_VERSION;
+ solicitation->hdr.code = htons ( FIP_CODE_DISCOVERY );
+ solicitation->hdr.subcode = FIP_DISCOVERY_SOLICIT;
+ solicitation->hdr.len = htons ( ( sizeof ( *solicitation ) -
+ sizeof ( solicitation->hdr ) ) / 4 );
+ solicitation->hdr.flags = htons ( FIP_FP | FIP_SP );
+ solicitation->mac_address.type = FIP_MAC_ADDRESS;
+ solicitation->mac_address.len =
+ ( sizeof ( solicitation->mac_address ) / 4 );
+ memcpy ( solicitation->mac_address.mac, fcoe->netdev->ll_addr,
+ sizeof ( solicitation->mac_address.mac ) );
+ solicitation->name_id.type = FIP_NAME_ID;
+ solicitation->name_id.len = ( sizeof ( solicitation->name_id ) / 4 );
+ memcpy ( &solicitation->name_id.name, &fcoe->node_wwn.fc,
+ sizeof ( solicitation->name_id.name ) );
+ solicitation->max_fcoe_size.type = FIP_MAX_FCOE_SIZE;
+ solicitation->max_fcoe_size.len =
+ ( sizeof ( solicitation->max_fcoe_size ) / 4 );
+ solicitation->max_fcoe_size.mtu =
+ htons ( ETH_MAX_MTU - sizeof ( struct fcoe_header ) -
+ sizeof ( struct fcoe_footer ) );
+
+ /* Send discovery solicitation */
+ if ( ( rc = net_tx ( iob_disown ( iobuf ), fcoe->netdev,
+ &fip_protocol, all_fcf_macs,
+ fcoe->netdev->ll_addr ) ) != 0 ) {
+ DBGC ( fcoe, "FCoE %s could not send discovery solicitation: "
+ "%s\n", fcoe->netdev->name, strerror ( rc ) );
+ return rc;
+ }
+
+ return 0;
+}
+
+/**
+ * Handle received FIP discovery advertisement
+ *
+ * @v fcoe FCoE port
+ * @v descs Descriptor list
+ * @v flags Flags
+ * @ret rc Return status code
+ */
+static int fcoe_fip_rx_advertisement ( struct fcoe_port *fcoe,
+ struct fip_descriptors *descs,
+ unsigned int flags ) {
+ struct fip_priority *priority = fip_priority ( descs );
+ struct fip_mac_address *mac_address = fip_mac_address ( descs );
+ struct fip_fka_adv_p *fka_adv_p = fip_fka_adv_p ( descs );
+
+ /* Sanity checks */
+ if ( ! priority ) {
+ DBGC ( fcoe, "FCoE %s received advertisement missing "
+ "priority\n", fcoe->netdev->name );
+ return -EINVAL;
+ }
+ if ( ! mac_address ) {
+ DBGC ( fcoe, "FCoE %s received advertisement missing MAC "
+ "address\n", fcoe->netdev->name );
+ return -EINVAL;
+ }
+ if ( ! fka_adv_p ) {
+ DBGC ( fcoe, "FCoE %s received advertisement missing FKA ADV "
+ "period\n", fcoe->netdev->name );
+ return -EINVAL;
+ }
+
+ if ( ! ( fcoe->flags & FCOE_HAVE_FCF ) ) {
+
+ /* We are soliciting for an FCF. Store the highest
+ * (i.e. lowest-valued) priority solicited
+ * advertisement that we receive.
+ */
+ if ( ( ( flags & ( FIP_A | FIP_S | FIP_F ) ) ==
+ ( FIP_A | FIP_S | FIP_F ) ) &&
+ ( priority->priority < fcoe->priority ) ) {
+
+ fcoe->flags |= FCOE_HAVE_FIP_FCF;
+ fcoe->priority = priority->priority;
+ if ( fka_adv_p->flags & FIP_NO_KEEPALIVE ) {
+ fcoe->keepalive = 0;
+ } else {
+ fcoe->keepalive = ntohl ( fka_adv_p->period );
+ }
+ memcpy ( fcoe->fcf_mac, mac_address->mac,
+ sizeof ( fcoe->fcf_mac ) );
+ DBGC ( fcoe, "FCoE %s selected FCF %s (priority %d, ",
+ fcoe->netdev->name, eth_ntoa ( fcoe->fcf_mac ),
+ fcoe->priority );
+ if ( fcoe->keepalive ) {
+ DBGC ( fcoe, "keepalive %dms)\n",
+ fcoe->keepalive );
+ } else {
+ DBGC ( fcoe, "no keepalive)\n" );
+ }
+ }
+
+ } else if ( fcoe->flags & FCOE_HAVE_FIP_FCF ) {
+
+ /* We are checking that the FCF remains alive. Reset
+ * the timeout counter if this is an advertisement
+ * from our forwarder.
+ */
+ if ( memcmp ( fcoe->fcf_mac, mac_address->mac,
+ sizeof ( fcoe->fcf_mac ) ) == 0 ) {
+ fcoe->timeouts = 0;
+ }
+
+ } else {
+
+ /* We are operating in non-FIP mode and have received
+ * a FIP advertisement. Reset the link in order to
+ * attempt FIP.
+ */
+ fcoe_reset ( fcoe );
+
+ }
+
+ return 0;
+}
+
+/**
+ * Handle received FIP ELS response
+ *
+ * @v fcoe FCoE port
+ * @v descs Descriptor list
+ * @v flags Flags
+ * @ret rc Return status code
+ */
+static int fcoe_fip_rx_els_response ( struct fcoe_port *fcoe,
+ struct fip_descriptors *descs,
+ unsigned int flags __unused ) {
+ struct fip_els *flogi = fip_flogi ( descs );
+ struct fip_mac_address *mac_address = fip_mac_address ( descs );
+ void *frame;
+ size_t frame_len;
+ int rc;
+
+ /* Sanity checks */
+ if ( ! flogi ) {
+ DBGC ( fcoe, "FCoE %s received ELS response missing FLOGI\n",
+ fcoe->netdev->name );
+ return -EINVAL;
+ }
+ if ( ! mac_address ) {
+ DBGC ( fcoe, "FCoE %s received ELS response missing MAC "
+ "address\n", fcoe->netdev->name );
+ return -EINVAL;
+ }
+
+ /* Record local MAC address */
+ memcpy ( fcoe->local_mac, mac_address->mac, sizeof ( fcoe->local_mac ));
+
+ /* Hand off via transport interface */
+ frame = &flogi->fc;
+ frame_len = ( ( flogi->len * 4 ) - offsetof ( typeof ( *flogi ), fc ) );
+ if ( ( rc = xfer_deliver_raw ( &fcoe->transport, frame,
+ frame_len ) ) != 0 ) {
+ DBGC ( fcoe, "FCoE %s could not deliver FIP FLOGI frame: %s\n",
+ fcoe->netdev->name, strerror ( rc ) );
+ return rc;
+ }
+
+ return 0;
+}
+
+/**
+ * Send FIP keepalive
+ *
+ * @v fcoe FCoE port
+ * @ret rc Return status code
+ */
+static int fcoe_fip_tx_keepalive ( struct fcoe_port *fcoe ) {
+ struct io_buffer *iobuf;
+ struct {
+ struct fip_header hdr;
+ struct fip_mac_address mac_address;
+ } __attribute__ (( packed )) *keepalive;
+ int rc;
+
+ /* Allocate I/O buffer */
+ iobuf = alloc_iob ( MAX_LL_HEADER_LEN + sizeof ( *keepalive ) );
+ if ( ! iobuf )
+ return -ENOMEM;
+ iob_reserve ( iobuf, MAX_LL_HEADER_LEN );
+
+ /* Construct keepalive */
+ keepalive = iob_put ( iobuf, sizeof ( *keepalive ) );
+ memset ( keepalive, 0, sizeof ( *keepalive ) );
+ keepalive->hdr.version = FIP_VERSION;
+ keepalive->hdr.code = htons ( FIP_CODE_MAINTAIN );
+ keepalive->hdr.subcode = FIP_MAINTAIN_KEEP_ALIVE;
+ keepalive->hdr.len = htons ( ( sizeof ( *keepalive ) -
+ sizeof ( keepalive->hdr ) ) / 4 );
+ keepalive->mac_address.type = FIP_MAC_ADDRESS;
+ keepalive->mac_address.len =
+ ( sizeof ( keepalive->mac_address ) / 4 );
+ memcpy ( keepalive->mac_address.mac, fcoe->netdev->ll_addr,
+ sizeof ( keepalive->mac_address.mac ) );
+
+ /* Send keepalive */
+ if ( ( rc = net_tx ( iob_disown ( iobuf ), fcoe->netdev,
+ &fip_protocol, fcoe->fcf_mac,
+ fcoe->netdev->ll_addr ) ) != 0 ) {
+ DBGC ( fcoe, "FCoE %s could not send keepalive: %s\n",
+ fcoe->netdev->name, strerror ( rc ) );
+ return rc;
+ }
+
+ return 0;
+}
+
+/** A FIP handler */
+struct fip_handler {
+ /** Protocol code */
+ uint16_t code;
+ /** Protocol subcode */
+ uint8_t subcode;
+ /**
+ * Receive FIP packet
+ *
+ * @v fcoe FCoE port
+ * @v descs Descriptor list
+ * @v flags Flags
+ * @ret rc Return status code
+ */
+ int ( * rx ) ( struct fcoe_port *fcoe, struct fip_descriptors *descs,
+ unsigned int flags );
+};
+
+/** FIP handlers */
+static struct fip_handler fip_handlers[] = {
+ { FIP_CODE_DISCOVERY, FIP_DISCOVERY_ADVERTISE,
+ fcoe_fip_rx_advertisement },
+ { FIP_CODE_ELS, FIP_ELS_RESPONSE,
+ fcoe_fip_rx_els_response },
+};
+
+/**
+ * Process incoming FIP packets
+ *
+ * @v iobuf I/O buffer
+ * @v netdev Network device
+ * @v ll_dest Link-layer destination address
+ * @v ll_source Link-layer source address
+ * @ret rc Return status code
+ */
+static int fcoe_fip_rx ( struct io_buffer *iobuf,
+ struct net_device *netdev,
+ const void *ll_dest,
+ const void *ll_source __unused ) {
+ struct fip_header *fiphdr = iobuf->data;
+ struct fip_descriptors descs;
+ struct fip_handler *handler;
+ struct fcoe_port *fcoe;
+ unsigned int i;
+ int rc;
+
+ /* Identify FCoE port */
+ if ( ( fcoe = fcoe_demux ( netdev ) ) == NULL ) {
+ DBG ( "FCoE received FIP frame for net device %s missing FCoE "
+ "port\n", netdev->name );
+ rc = -ENOTCONN;
+ goto done;
+ }
+
+ /* Discard packets not destined for us */
+ if ( ( memcmp ( fcoe->netdev->ll_addr, ll_dest, ETH_ALEN ) != 0 ) &&
+ ( memcmp ( all_fcoe_macs, ll_dest,
+ sizeof ( all_fcoe_macs ) ) != 0 ) &&
+ ( memcmp ( all_enode_macs, ll_dest,
+ sizeof ( all_enode_macs ) ) != 0 ) ) {
+ DBGC2 ( fcoe, "FCoE %s ignoring FIP packet for %s\n",
+ fcoe->netdev->name, eth_ntoa ( ll_dest ) );
+ rc = -ENOTCONN;
+ goto done;
+ }
+
+ /* Parse FIP packet */
+ if ( ( rc = fcoe_fip_parse ( fcoe, fiphdr, iob_len ( iobuf ),
+ &descs ) ) != 0 )
+ goto done;
+
+ /* Find a suitable handler */
+ for ( i = 0 ; i < ( sizeof ( fip_handlers ) /
+ sizeof ( fip_handlers[0] ) ) ; i++ ) {
+ handler = &fip_handlers[i];
+ if ( ( handler->code == ntohs ( fiphdr->code ) ) &&
+ ( handler->subcode == fiphdr->subcode ) ) {
+ rc = handler->rx ( fcoe, &descs,
+ ntohs ( fiphdr->flags ) );
+ goto done;
+ }
+ }
+ DBGC ( fcoe, "FCoE %s received unsupported FIP code %04x.%02x\n",
+ fcoe->netdev->name, ntohs ( fiphdr->code ), fiphdr->subcode );
+ rc = -ENOTSUP;
+
+ done:
+ free_iob ( iobuf );
+ return rc;
+}
+
+/******************************************************************************
+ *
+ * FCoE ports
+ *
+ ******************************************************************************
+ */
+
+/**
+ * Handle FCoE timer expiry
+ *
+ * @v timer FIP timer
+ * @v over Timer expired
+ */
+static void fcoe_expired ( struct retry_timer *timer, int over __unused ) {
+ struct fcoe_port *fcoe =
+ container_of ( timer, struct fcoe_port, timer );
+
+ /* Sanity check */
+ assert ( fcoe->flags & FCOE_HAVE_NETWORK );
+
+ /* Increment the timeout counter */
+ fcoe->timeouts++;
+
+ if ( ! ( fcoe->flags & FCOE_HAVE_FCF ) ) {
+
+ /* If we have not yet found a FIP-capable forwarder,
+ * and we have not yet timed out and given up on
+ * finding one, then send a FIP solicitation and wait.
+ */
+ if ( ( ! ( fcoe->flags & FCOE_HAVE_FIP_FCF ) ) &&
+ ( fcoe->timeouts <= FCOE_MAX_FIP_SOLICITATIONS ) ) {
+ start_timer_fixed ( &fcoe->timer,
+ FCOE_FIP_RETRY_DELAY );
+ fcoe_fip_tx_solicitation ( fcoe );
+ return;
+ }
+
+ /* Either we have found a FIP-capable forwarder, or we
+ * have timed out and will fall back to pre-FIP mode.
+ */
+ fcoe->flags |= FCOE_HAVE_FCF;
+ fcoe->timeouts = 0;
+ DBGC ( fcoe, "FCoE %s using %sFIP FCF %s\n", fcoe->netdev->name,
+ ( ( fcoe->flags & FCOE_HAVE_FIP_FCF ) ? "" : "non-" ),
+ eth_ntoa ( fcoe->fcf_mac ) );
+
+ /* Start sending keepalives if applicable */
+ if ( fcoe->keepalive )
+ start_timer_nodelay ( &fcoe->timer );
+
+ /* Send notification of window change */
+ xfer_window_changed ( &fcoe->transport );
+
+ } else {
+
+ /* Send keepalive */
+ start_timer_fixed ( &fcoe->timer,
+ ( ( fcoe->keepalive * TICKS_PER_SEC ) / 1000 ) );
+ fcoe_fip_tx_keepalive ( fcoe );
+
+ /* Abandon FCF if we have not seen its advertisements */
+ if ( fcoe->timeouts > FCOE_MAX_FIP_MISSING_KEEPALIVES ) {
+ DBGC ( fcoe, "FCoE %s abandoning FCF %s\n",
+ fcoe->netdev->name, eth_ntoa ( fcoe->fcf_mac ));
+ fcoe_reset ( fcoe );
+ }
+ }
+}
+
/**
* Create FCoE port
*
static int fcoe_probe ( struct net_device *netdev ) {
struct ll_protocol *ll_protocol = netdev->ll_protocol;
struct fcoe_port *fcoe;
- union fcoe_name node_wwn;
- union fcoe_name port_wwn;
int rc;
/* Sanity check */
rc = 0;
goto err_non_ethernet;
}
- assert ( ll_protocol->ll_addr_len == sizeof ( fcoe->fcf_ll_addr ) );
/* Allocate and initialise structure */
fcoe = zalloc ( sizeof ( *fcoe ) );
}
ref_init ( &fcoe->refcnt, NULL );
intf_init ( &fcoe->transport, &fcoe_transport_desc, &fcoe->refcnt );
+ timer_init ( &fcoe->timer, fcoe_expired, &fcoe->refcnt );
fcoe->netdev = netdev_get ( netdev );
/* Construct node and port names */
- node_wwn.fcoe.authority = htons ( FCOE_AUTHORITY_IEEE );
- memcpy ( &node_wwn.fcoe.mac, netdev->ll_addr,
- sizeof ( node_wwn.fcoe.mac ) );
- port_wwn.fcoe.authority = htons ( FCOE_AUTHORITY_IEEE_EXTENDED );
- memcpy ( &port_wwn.fcoe.mac, netdev->ll_addr,
- sizeof ( port_wwn.fcoe.mac ) );
-
- /* Construct initial FCF address */
- memcpy ( &fcoe->fcf_ll_addr, &fcoe_default_fcf_ll_addr,
- sizeof ( fcoe->fcf_ll_addr ) );
+ fcoe->node_wwn.fcoe.authority = htons ( FCOE_AUTHORITY_IEEE );
+ memcpy ( &fcoe->node_wwn.fcoe.mac, netdev->ll_addr,
+ sizeof ( fcoe->node_wwn.fcoe.mac ) );
+ fcoe->port_wwn.fcoe.authority = htons ( FCOE_AUTHORITY_IEEE_EXTENDED );
+ memcpy ( &fcoe->port_wwn.fcoe.mac, netdev->ll_addr,
+ sizeof ( fcoe->port_wwn.fcoe.mac ) );
DBGC ( fcoe, "FCoE %s is %s", fcoe->netdev->name,
- fc_ntoa ( &node_wwn.fc ) );
- DBGC ( fcoe, " port %s\n", fc_ntoa ( &port_wwn.fc ) );
+ fc_ntoa ( &fcoe->node_wwn.fc ) );
+ DBGC ( fcoe, " port %s\n", fc_ntoa ( &fcoe->port_wwn.fc ) );
/* Attach Fibre Channel port */
- if ( ( rc = fc_port_open ( &fcoe->transport, &node_wwn.fc,
- &port_wwn.fc ) ) != 0 )
+ if ( ( rc = fc_port_open ( &fcoe->transport, &fcoe->node_wwn.fc,
+ &fcoe->port_wwn.fc ) ) != 0 )
goto err_fc_create;
/* Transfer reference to port list */
return;
}
- /* Send notification of potential window change */
- xfer_window_changed ( &fcoe->transport );
+ /* Reset the FCoE link */
+ fcoe_reset ( fcoe );
}
/**
.rx = fcoe_rx,
};
+/** FIP protocol */
+struct net_protocol fip_protocol __net_protocol = {
+ .name = "FIP",
+ .net_proto = htons ( ETH_P_FIP ),
+ .rx = fcoe_fip_rx,
+};
+
/** Human-readable message for CRC errors
*
* It seems as though several drivers neglect to strip the Ethernet
projects / thirdparty / ipxe.git / commitdiff
