void fnic_free_wq_buf(struct vnic_wq *wq, struct vnic_wq_buf *buf)
{
struct fc_frame *fp = buf->os_buf;
struct fnic *fnic = vnic_dev_priv(wq->vdev);
pci_unmap_single(fnic->pdev, buf->dma_addr,
buf->len, PCI_DMA_TODEVICE);
dev_kfree_skb(fp_skb(fp));
buf->os_buf = NULL;
}
static void fnic_wq_complete_frame_send(struct vnic_wq *wq,
struct cq_desc *cq_desc,
struct vnic_wq_buf *buf, void *opaque)
{
struct sk_buff *skb = buf->os_buf;
struct fc_frame *fp = (struct fc_frame *)skb;
struct fnic *fnic = vnic_dev_priv(wq->vdev);
pci_unmap_single(fnic->pdev, buf->dma_addr,
buf->len, PCI_DMA_TODEVICE);
dev_kfree_skb_irq(fp_skb(fp));
buf->os_buf = NULL;
}
struct fc_frame *fc_frame_alloc_fill(struct fc_lport *lp, size_t payload_len)
{
struct fc_frame *fp;
size_t fill;
fill = payload_len % 4;
if (fill != 0)
fill = 4 - fill;
fp = _fc_frame_alloc(payload_len + fill);
if (fp) {
memset((char *) fr_hdr(fp) + payload_len, 0, fill);
/* trim is OK, we just allocated it so there are no fragments */
skb_trim(fp_skb(fp),
payload_len + sizeof(struct fc_frame_header));
}
return fp;
}
/*
* Deliver read data back to initiator.
* XXX TBD handle resource problems later.
*/
int ft_queue_data_in(struct se_cmd *se_cmd)
{
struct ft_cmd *cmd = container_of(se_cmd, struct ft_cmd, se_cmd);
struct fc_frame *fp = NULL;
struct fc_exch *ep;
struct fc_lport *lport;
struct scatterlist *sg = NULL;
size_t remaining;
u32 f_ctl = FC_FC_EX_CTX | FC_FC_REL_OFF;
u32 mem_off = 0;
u32 fh_off = 0;
u32 frame_off = 0;
size_t frame_len = 0;
size_t mem_len = 0;
size_t tlen;
size_t off_in_page;
struct page *page = NULL;
int use_sg;
int error;
void *page_addr;
void *from;
void *to = NULL;
if (cmd->aborted)
return 0;
if (se_cmd->scsi_status == SAM_STAT_TASK_SET_FULL)
goto queue_status;
ep = fc_seq_exch(cmd->seq);
lport = ep->lp;
cmd->seq = lport->tt.seq_start_next(cmd->seq);
remaining = se_cmd->data_length;
/*
* Setup to use first mem list entry, unless no data.
*/
BUG_ON(remaining && !se_cmd->t_data_sg);
if (remaining) {
sg = se_cmd->t_data_sg;
mem_len = sg->length;
mem_off = sg->offset;
page = sg_page(sg);
}
/* no scatter/gather in skb for odd word length due to fc_seq_send() */
use_sg = !(remaining % 4);
while (remaining) {
struct fc_seq *seq = cmd->seq;
if (!seq) {
pr_debug("%s: Command aborted, xid 0x%x\n",
__func__, ep->xid);
break;
}
if (!mem_len) {
sg = sg_next(sg);
mem_len = min((size_t)sg->length, remaining);
mem_off = sg->offset;
page = sg_page(sg);
}
if (!frame_len) {
/*
* If lport's has capability of Large Send Offload LSO)
* , then allow 'frame_len' to be as big as 'lso_max'
* if indicated transfer length is >= lport->lso_max
*/
frame_len = (lport->seq_offload) ? lport->lso_max :
cmd->sess->max_frame;
frame_len = min(frame_len, remaining);
fp = fc_frame_alloc(lport, use_sg ? 0 : frame_len);
if (!fp)
return -ENOMEM;
to = fc_frame_payload_get(fp, 0);
fh_off = frame_off;
frame_off += frame_len;
/*
* Setup the frame's max payload which is used by base
* driver to indicate HW about max frame size, so that
* HW can do fragmentation appropriately based on
* "gso_max_size" of underline netdev.
*/
fr_max_payload(fp) = cmd->sess->max_frame;
}
tlen = min(mem_len, frame_len);
if (use_sg) {
off_in_page = mem_off;
BUG_ON(!page);
get_page(page);
skb_fill_page_desc(fp_skb(fp),
skb_shinfo(fp_skb(fp))->nr_frags,
page, off_in_page, tlen);
fr_len(fp) += tlen;
fp_skb(fp)->data_len += tlen;
fp_skb(fp)->truesize +=
PAGE_SIZE << compound_order(page);
} else {
BUG_ON(!page);
from = kmap_atomic(page + (mem_off >> PAGE_SHIFT));
page_addr = from;
from += mem_off & ~PAGE_MASK;
tlen = min(tlen, (size_t)(PAGE_SIZE -
(mem_off & ~PAGE_MASK)));
memcpy(to, from, tlen);
kunmap_atomic(page_addr);
to += tlen;
}
mem_off += tlen;
mem_len -= tlen;
frame_len -= tlen;
remaining -= tlen;
if (frame_len &&
(skb_shinfo(fp_skb(fp))->nr_frags < FC_FRAME_SG_LEN))
continue;
if (!remaining)
f_ctl |= FC_FC_END_SEQ;
fc_fill_fc_hdr(fp, FC_RCTL_DD_SOL_DATA, ep->did, ep->sid,
FC_TYPE_FCP, f_ctl, fh_off);
error = lport->tt.seq_send(lport, seq, fp);
if (error) {
pr_info_ratelimited("%s: Failed to send frame %p, "
"xid <0x%x>, remaining %zu, "
"lso_max <0x%x>\n",
__func__, fp, ep->xid,
remaining, lport->lso_max);
/*
* Go ahead and set TASK_SET_FULL status ignoring the
* rest of the DataIN, and immediately attempt to
* send the response via ft_queue_status() in order
* to notify the initiator that it should reduce it's
* per LUN queue_depth.
*/
se_cmd->scsi_status = SAM_STAT_TASK_SET_FULL;
break;
}
}
queue_status:
return ft_queue_status(se_cmd);
}
/*
* Send read data back to initiator.
*/
int ft_send_read_data(struct scst_cmd *cmd)
{
struct ft_cmd *fcmd;
struct fc_frame *fp = NULL;
struct fc_exch *ep;
struct fc_lport *lport;
size_t remaining;
u32 fh_off = 0;
u32 frame_off;
size_t frame_len = 0;
size_t mem_len;
u32 mem_off;
size_t tlen;
struct page *page;
int use_sg;
int error;
void *to = NULL;
u8 *from = NULL;
int loop_limit = 10000;
fcmd = scst_cmd_get_tgt_priv(cmd);
ep = fc_seq_exch(fcmd->seq);
lport = ep->lp;
frame_off = fcmd->read_data_len;
tlen = scst_cmd_get_resp_data_len(cmd);
FT_IO_DBG("oid %x oxid %x resp_len %zd frame_off %u\n",
ep->oid, ep->oxid, tlen, frame_off);
if (tlen <= frame_off)
return SCST_TGT_RES_SUCCESS;
remaining = tlen - frame_off;
if (remaining > UINT_MAX)
FT_ERR("oid %x oxid %x resp_len %zd frame_off %u\n",
ep->oid, ep->oxid, tlen, frame_off);
mem_len = scst_get_buf_first(cmd, &from);
mem_off = 0;
if (!mem_len) {
FT_IO_DBG("mem_len 0\n");
return SCST_TGT_RES_SUCCESS;
}
FT_IO_DBG("sid %x oxid %x mem_len %zd frame_off %u remaining %zd\n",
ep->sid, ep->oxid, mem_len, frame_off, remaining);
/*
* If we've already transferred some of the data, skip through
* the buffer over the data already sent and continue with the
* same sequence. Otherwise, get a new sequence for the data.
*/
if (frame_off) {
tlen = frame_off;
while (mem_len <= tlen) {
tlen -= mem_len;
scst_put_buf(cmd, from);
mem_len = scst_get_buf_next(cmd, &from);
if (!mem_len)
return SCST_TGT_RES_SUCCESS;
}
mem_len -= tlen;
mem_off = tlen;
} else
fcmd->seq = lport->tt.seq_start_next(fcmd->seq);
/* no scatter/gather in skb for odd word length due to fc_seq_send() */
use_sg = !(remaining % 4) && lport->sg_supp;
while (remaining) {
if (!loop_limit) {
FT_ERR("hit loop limit. remaining %zx mem_len %zx "
"frame_len %zx tlen %zx\n",
remaining, mem_len, frame_len, tlen);
break;
}
loop_limit--;
if (!mem_len) {
scst_put_buf(cmd, from);
mem_len = scst_get_buf_next(cmd, &from);
mem_off = 0;
if (!mem_len) {
FT_ERR("mem_len 0 from get_buf_next\n");
break;
}
}
if (!frame_len) {
frame_len = fcmd->max_lso_payload;
frame_len = min(frame_len, remaining);
fp = fc_frame_alloc(lport, use_sg ? 0 : frame_len);
if (!fp) {
FT_IO_DBG("frame_alloc failed. "
"use_sg %d frame_len %zd\n",
use_sg, frame_len);
break;
}
fr_max_payload(fp) = fcmd->max_payload;
to = fc_frame_payload_get(fp, 0);
fh_off = frame_off;
}
tlen = min(mem_len, frame_len);
BUG_ON(!tlen);
BUG_ON(tlen > remaining);
BUG_ON(tlen > mem_len);
BUG_ON(tlen > frame_len);
if (use_sg) {
page = virt_to_page(from + mem_off);
get_page(page);
tlen = min_t(size_t, tlen,
PAGE_SIZE - (mem_off & ~PAGE_MASK));
skb_fill_page_desc(fp_skb(fp),
skb_shinfo(fp_skb(fp))->nr_frags,
page, offset_in_page(from + mem_off),
tlen);
fr_len(fp) += tlen;
fp_skb(fp)->data_len += tlen;
fp_skb(fp)->truesize +=
PAGE_SIZE << compound_order(page);
frame_len -= tlen;
if (skb_shinfo(fp_skb(fp))->nr_frags >= FC_FRAME_SG_LEN)
frame_len = 0;
} else {
memcpy(to, from + mem_off, tlen);
to += tlen;
frame_len -= tlen;
}
mem_len -= tlen;
mem_off += tlen;
remaining -= tlen;
frame_off += tlen;
if (frame_len)
continue;
fc_fill_fc_hdr(fp, FC_RCTL_DD_SOL_DATA, ep->did, ep->sid,
FC_TYPE_FCP,
remaining ? (FC_FC_EX_CTX | FC_FC_REL_OFF) :
(FC_FC_EX_CTX | FC_FC_REL_OFF | FC_FC_END_SEQ),
fh_off);
error = lport->tt.seq_send(lport, fcmd->seq, fp);
if (error) {
WARN_ON(1);
/* XXX For now, initiator will retry */
} else
fcmd->read_data_len = frame_off;
}
if (mem_len)
scst_put_buf(cmd, from);
if (remaining) {
FT_IO_DBG("remaining read data %zd\n", remaining);
return SCST_TGT_RES_QUEUE_FULL;
}
return SCST_TGT_RES_SUCCESS;
}
static int fnic_cleanup(struct fnic *fnic)
{
unsigned int i;
int err;
unsigned long flags;
struct fc_frame *flogi = NULL;
struct fc_frame *flogi_resp = NULL;
vnic_dev_disable(fnic->vdev);
for (i = 0; i < fnic->intr_count; i++)
vnic_intr_mask(&fnic->intr[i]);
for (i = 0; i < fnic->rq_count; i++) {
err = vnic_rq_disable(&fnic->rq[i]);
if (err)
return err;
}
for (i = 0; i < fnic->raw_wq_count; i++) {
err = vnic_wq_disable(&fnic->wq[i]);
if (err)
return err;
}
for (i = 0; i < fnic->wq_copy_count; i++) {
err = vnic_wq_copy_disable(&fnic->wq_copy[i]);
if (err)
return err;
}
/* Clean up completed IOs and FCS frames */
fnic_wq_copy_cmpl_handler(fnic, -1);
fnic_wq_cmpl_handler(fnic, -1);
fnic_rq_cmpl_handler(fnic, -1);
/* Clean up the IOs and FCS frames that have not completed */
for (i = 0; i < fnic->raw_wq_count; i++)
vnic_wq_clean(&fnic->wq[i], fnic_free_wq_buf);
for (i = 0; i < fnic->rq_count; i++)
vnic_rq_clean(&fnic->rq[i], fnic_free_rq_buf);
for (i = 0; i < fnic->wq_copy_count; i++)
vnic_wq_copy_clean(&fnic->wq_copy[i],
fnic_wq_copy_cleanup_handler);
for (i = 0; i < fnic->cq_count; i++)
vnic_cq_clean(&fnic->cq[i]);
for (i = 0; i < fnic->intr_count; i++)
vnic_intr_clean(&fnic->intr[i]);
/*
* Remove cached flogi and flogi resp frames if any
* These frames are not in any queue, and therefore queue
* cleanup does not clean them. So clean them explicitly
*/
spin_lock_irqsave(&fnic->fnic_lock, flags);
flogi = fnic->flogi;
fnic->flogi = NULL;
flogi_resp = fnic->flogi_resp;
fnic->flogi_resp = NULL;
spin_unlock_irqrestore(&fnic->fnic_lock, flags);
if (flogi)
dev_kfree_skb(fp_skb(flogi));
if (flogi_resp)
dev_kfree_skb(fp_skb(flogi_resp));
mempool_destroy(fnic->io_req_pool);
for (i = 0; i < FNIC_SGL_NUM_CACHES; i++)
mempool_destroy(fnic->io_sgl_pool[i]);
return 0;
}
/*
* fnic_send
* Routine to send a raw frame
*/
int fnic_send(struct fc_lport *lp, struct fc_frame *fp)
{
struct fnic *fnic = lport_priv(lp);
struct fc_frame_header *fh;
int ret = 0;
enum fnic_state old_state;
unsigned long flags;
struct fc_frame *old_flogi = NULL;
struct fc_frame *old_flogi_resp = NULL;
if (fnic->in_remove) {
dev_kfree_skb(fp_skb(fp));
ret = -1;
goto fnic_send_end;
}
fh = fc_frame_header_get(fp);
/* if not an Flogi frame, send it out, this is the common case */
if (!is_flogi_frame(fh))
return fnic_send_frame(fnic, fp);
/* Flogi frame, now enter the state machine */
spin_lock_irqsave(&fnic->fnic_lock, flags);
again:
/* Get any old cached frames, free them after dropping lock */
old_flogi = fnic->flogi;
fnic->flogi = NULL;
old_flogi_resp = fnic->flogi_resp;
fnic->flogi_resp = NULL;
fnic->flogi_oxid = FC_XID_UNKNOWN;
old_state = fnic->state;
switch (old_state) {
case FNIC_IN_FC_MODE:
case FNIC_IN_ETH_TRANS_FC_MODE:
default:
fnic->state = FNIC_IN_FC_TRANS_ETH_MODE;
vnic_dev_del_addr(fnic->vdev, fnic->data_src_addr);
spin_unlock_irqrestore(&fnic->fnic_lock, flags);
if (old_flogi) {
dev_kfree_skb(fp_skb(old_flogi));
old_flogi = NULL;
}
if (old_flogi_resp) {
dev_kfree_skb(fp_skb(old_flogi_resp));
old_flogi_resp = NULL;
}
ret = fnic_fw_reset_handler(fnic);
spin_lock_irqsave(&fnic->fnic_lock, flags);
if (fnic->state != FNIC_IN_FC_TRANS_ETH_MODE)
goto again;
if (ret) {
fnic->state = old_state;
spin_unlock_irqrestore(&fnic->fnic_lock, flags);
dev_kfree_skb(fp_skb(fp));
goto fnic_send_end;
}
old_flogi = fnic->flogi;
fnic->flogi = fp;
fnic->flogi_oxid = ntohs(fh->fh_ox_id);
old_flogi_resp = fnic->flogi_resp;
fnic->flogi_resp = NULL;
spin_unlock_irqrestore(&fnic->fnic_lock, flags);
break;
case FNIC_IN_FC_TRANS_ETH_MODE:
/*
* A reset is pending with the firmware. Store the flogi
* and its oxid. The transition out of this state happens
* only when Firmware completes the reset, either with
* success or failed. If success, transition to
* FNIC_IN_ETH_MODE, if fail, then transition to
* FNIC_IN_FC_MODE
*/
fnic->flogi = fp;
fnic->flogi_oxid = ntohs(fh->fh_ox_id);
spin_unlock_irqrestore(&fnic->fnic_lock, flags);
break;
case FNIC_IN_ETH_MODE:
/*
* The fw/hw is already in eth mode. Store the oxid,
* and send the flogi frame out. The transition out of this
* state happens only we receive flogi response from the
* network, and the oxid matches the cached oxid when the
* flogi frame was sent out. If they match, then we issue
* a flogi_reg request and transition to state
* FNIC_IN_ETH_TRANS_FC_MODE
*/
fnic->flogi_oxid = ntohs(fh->fh_ox_id);
spin_unlock_irqrestore(&fnic->fnic_lock, flags);
ret = fnic_send_frame(fnic, fp);
break;
}
fnic_send_end:
if (old_flogi)
dev_kfree_skb(fp_skb(old_flogi));
if (old_flogi_resp)
dev_kfree_skb(fp_skb(old_flogi_resp));
return ret;
}
int fnic_send_frame(struct fnic *fnic, struct fc_frame *fp)
{
struct vnic_wq *wq = &fnic->wq[0];
struct sk_buff *skb;
dma_addr_t pa;
struct ethhdr *eth_hdr;
struct vlan_ethhdr *vlan_hdr;
struct fcoe_hdr *fcoe_hdr;
struct fc_frame_header *fh;
u32 tot_len, eth_hdr_len;
int ret = 0;
unsigned long flags;
fh = fc_frame_header_get(fp);
skb = fp_skb(fp);
if (!fnic->vlan_hw_insert) {
eth_hdr_len = sizeof(*vlan_hdr) + sizeof(*fcoe_hdr);
vlan_hdr = (struct vlan_ethhdr *)skb_push(skb, eth_hdr_len);
eth_hdr = (struct ethhdr *)vlan_hdr;
vlan_hdr->h_vlan_proto = htons(ETH_P_8021Q);
vlan_hdr->h_vlan_encapsulated_proto = htons(ETH_P_FCOE);
vlan_hdr->h_vlan_TCI = htons(fnic->vlan_id);
fcoe_hdr = (struct fcoe_hdr *)(vlan_hdr + 1);
} else {
eth_hdr_len = sizeof(*eth_hdr) + sizeof(*fcoe_hdr);
eth_hdr = (struct ethhdr *)skb_push(skb, eth_hdr_len);
eth_hdr->h_proto = htons(ETH_P_FCOE);
fcoe_hdr = (struct fcoe_hdr *)(eth_hdr + 1);
}
if (is_flogi_frame(fh)) {
fc_fcoe_set_mac(eth_hdr->h_dest, fh->fh_d_id);
memcpy(eth_hdr->h_source, fnic->mac_addr, ETH_ALEN);
} else {
if (fnic->fcoui_mode)
fc_fcoe_set_mac(eth_hdr->h_dest, fh->fh_d_id);
else
memcpy(eth_hdr->h_dest, fnic->dest_addr, ETH_ALEN);
memcpy(eth_hdr->h_source, fnic->data_src_addr, ETH_ALEN);
}
tot_len = skb->len;
BUG_ON(tot_len % 4);
memset(fcoe_hdr, 0, sizeof(*fcoe_hdr));
fcoe_hdr->fcoe_sof = fr_sof(fp);
if (FC_FCOE_VER)
FC_FCOE_ENCAPS_VER(fcoe_hdr, FC_FCOE_VER);
pa = pci_map_single(fnic->pdev, eth_hdr, tot_len, PCI_DMA_TODEVICE);
spin_lock_irqsave(&fnic->wq_lock[0], flags);
if (!vnic_wq_desc_avail(wq)) {
pci_unmap_single(fnic->pdev, pa,
tot_len, PCI_DMA_TODEVICE);
ret = -1;
goto fnic_send_frame_end;
}
fnic_queue_wq_desc(wq, skb, pa, tot_len, fr_eof(fp),
fnic->vlan_hw_insert, fnic->vlan_id, 1, 1, 1);
fnic_send_frame_end:
spin_unlock_irqrestore(&fnic->wq_lock[0], flags);
if (ret)
dev_kfree_skb_any(fp_skb(fp));
return ret;
}
static inline int fnic_handle_flogi_resp(struct fnic *fnic,
struct fc_frame *fp)
{
u8 mac[ETH_ALEN] = FC_FCOE_FLOGI_MAC;
struct ethhdr *eth_hdr;
struct fc_frame_header *fh;
int ret = 0;
unsigned long flags;
struct fc_frame *old_flogi_resp = NULL;
fh = (struct fc_frame_header *)fr_hdr(fp);
spin_lock_irqsave(&fnic->fnic_lock, flags);
if (fnic->state == FNIC_IN_ETH_MODE) {
/*
* Check if oxid matches on taking the lock. A new Flogi
* issued by libFC might have changed the fnic cached oxid
*/
if (fnic->flogi_oxid != ntohs(fh->fh_ox_id)) {
FNIC_FCS_DBG(KERN_DEBUG, fnic->lport->host,
"Flogi response oxid not"
" matching cached oxid, dropping frame"
"\n");
ret = -1;
spin_unlock_irqrestore(&fnic->fnic_lock, flags);
dev_kfree_skb_irq(fp_skb(fp));
goto handle_flogi_resp_end;
}
/* Drop older cached flogi response frame, cache this frame */
old_flogi_resp = fnic->flogi_resp;
fnic->flogi_resp = fp;
fnic->flogi_oxid = FC_XID_UNKNOWN;
/*
* this frame is part of flogi get the src mac addr from this
* frame if the src mac is fcoui based then we mark the
* address mode flag to use fcoui base for dst mac addr
* otherwise we have to store the fcoe gateway addr
*/
eth_hdr = (struct ethhdr *)skb_mac_header(fp_skb(fp));
memcpy(mac, eth_hdr->h_source, ETH_ALEN);
if (ntoh24(mac) == FC_FCOE_OUI)
fnic->fcoui_mode = 1;
else {
fnic->fcoui_mode = 0;
memcpy(fnic->dest_addr, mac, ETH_ALEN);
}
/*
* Except for Flogi frame, all outbound frames from us have the
* Eth Src address as FC_FCOE_OUI"our_sid". Flogi frame uses
* the vnic MAC address as the Eth Src address
*/
fc_fcoe_set_mac(fnic->data_src_addr, fh->fh_d_id);
/* We get our s_id from the d_id of the flogi resp frame */
fnic->s_id = ntoh24(fh->fh_d_id);
/* Change state to reflect transition from Eth to FC mode */
fnic->state = FNIC_IN_ETH_TRANS_FC_MODE;
} else {
FNIC_FCS_DBG(KERN_DEBUG, fnic->lport->host,
"Unexpected fnic state %s while"
" processing flogi resp\n",
fnic_state_to_str(fnic->state));
ret = -1;
spin_unlock_irqrestore(&fnic->fnic_lock, flags);
dev_kfree_skb_irq(fp_skb(fp));
goto handle_flogi_resp_end;
}
spin_unlock_irqrestore(&fnic->fnic_lock, flags);
/* Drop older cached frame */
if (old_flogi_resp)
dev_kfree_skb_irq(fp_skb(old_flogi_resp));
/*
* send flogi reg request to firmware, this will put the fnic in
* in FC mode
*/
ret = fnic_flogi_reg_handler(fnic);
if (ret < 0) {
int free_fp = 1;
spin_lock_irqsave(&fnic->fnic_lock, flags);
/*
* free the frame is some other thread is not
* pointing to it
*/
if (fnic->flogi_resp != fp)
free_fp = 0;
else
fnic->flogi_resp = NULL;
if (fnic->state == FNIC_IN_ETH_TRANS_FC_MODE)
fnic->state = FNIC_IN_ETH_MODE;
spin_unlock_irqrestore(&fnic->fnic_lock, flags);
if (free_fp)
dev_kfree_skb_irq(fp_skb(fp));
}
handle_flogi_resp_end:
return ret;
}
static int fnic_cleanup(struct fnic *fnic)
{
unsigned int i;
int err;
unsigned long flags;
struct fc_frame *flogi = NULL;
struct fc_frame *flogi_resp = NULL;
vnic_dev_disable(fnic->vdev);
for (i = 0; i < fnic->intr_count; i++)
vnic_intr_mask(&fnic->intr[i]);
for (i = 0; i < fnic->rq_count; i++) {
err = vnic_rq_disable(&fnic->rq[i]);
if (err)
return err;
}
for (i = 0; i < fnic->raw_wq_count; i++) {
err = vnic_wq_disable(&fnic->wq[i]);
if (err)
return err;
}
for (i = 0; i < fnic->wq_copy_count; i++) {
err = vnic_wq_copy_disable(&fnic->wq_copy[i]);
if (err)
return err;
}
fnic_wq_copy_cmpl_handler(fnic, -1);
fnic_wq_cmpl_handler(fnic, -1);
fnic_rq_cmpl_handler(fnic, -1);
for (i = 0; i < fnic->raw_wq_count; i++)
vnic_wq_clean(&fnic->wq[i], fnic_free_wq_buf);
for (i = 0; i < fnic->rq_count; i++)
vnic_rq_clean(&fnic->rq[i], fnic_free_rq_buf);
for (i = 0; i < fnic->wq_copy_count; i++)
vnic_wq_copy_clean(&fnic->wq_copy[i],
fnic_wq_copy_cleanup_handler);
for (i = 0; i < fnic->cq_count; i++)
vnic_cq_clean(&fnic->cq[i]);
for (i = 0; i < fnic->intr_count; i++)
vnic_intr_clean(&fnic->intr[i]);
spin_lock_irqsave(&fnic->fnic_lock, flags);
flogi = fnic->flogi;
fnic->flogi = NULL;
flogi_resp = fnic->flogi_resp;
fnic->flogi_resp = NULL;
spin_unlock_irqrestore(&fnic->fnic_lock, flags);
if (flogi)
dev_kfree_skb(fp_skb(flogi));
if (flogi_resp)
dev_kfree_skb(fp_skb(flogi_resp));
mempool_destroy(fnic->io_req_pool);
for (i = 0; i < FNIC_SGL_NUM_CACHES; i++)
mempool_destroy(fnic->io_sgl_pool[i]);
return 0;
}
