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path: root/drivers/scsi/libfc/fc_exch.c
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Diffstat (limited to 'drivers/scsi/libfc/fc_exch.c')
-rw-r--r--drivers/scsi/libfc/fc_exch.c32
1 files changed, 9 insertions, 23 deletions
diff --git a/drivers/scsi/libfc/fc_exch.c b/drivers/scsi/libfc/fc_exch.c
index 66db08a5f27f..505825b6124d 100644
--- a/drivers/scsi/libfc/fc_exch.c
+++ b/drivers/scsi/libfc/fc_exch.c
@@ -32,8 +32,6 @@
#include <scsi/libfc.h>
#include <scsi/fc_encode.h>
-#define FC_DEF_R_A_TOV (10 * 1000) /* resource allocation timeout */
-
/*
* fc_exch_debug can be set in debugger or at compile time to get more logs.
*/
@@ -627,7 +625,6 @@ static struct fc_exch *fc_exch_resp(struct fc_exch_mgr *mp, struct fc_frame *fp)
{
struct fc_exch *ep;
struct fc_frame_header *fh;
- u16 rxid;
ep = mp->lp->tt.exch_get(mp->lp, fp);
if (ep) {
@@ -654,18 +651,6 @@ static struct fc_exch *fc_exch_resp(struct fc_exch_mgr *mp, struct fc_frame *fp)
if ((ntoh24(fh->fh_f_ctl) & FC_FC_SEQ_INIT) == 0)
ep->esb_stat &= ~ESB_ST_SEQ_INIT;
- /*
- * Set the responder ID in the frame header.
- * The old one should've been 0xffff.
- * If it isn't, don't assign one.
- * Incoming basic link service frames may specify
- * a referenced RX_ID.
- */
- if (fh->fh_type != FC_TYPE_BLS) {
- rxid = ntohs(fh->fh_rx_id);
- WARN_ON(rxid != FC_XID_UNKNOWN);
- fh->fh_rx_id = htons(ep->rxid);
- }
fc_exch_hold(ep); /* hold for caller */
spin_unlock_bh(&ep->ex_lock); /* lock from exch_get */
}
@@ -677,8 +662,8 @@ static struct fc_exch *fc_exch_resp(struct fc_exch_mgr *mp, struct fc_frame *fp)
* If fc_pf_rjt_reason is FC_RJT_NONE then this function will have a hold
* on the ep that should be released by the caller.
*/
-static enum fc_pf_rjt_reason
-fc_seq_lookup_recip(struct fc_exch_mgr *mp, struct fc_frame *fp)
+static enum fc_pf_rjt_reason fc_seq_lookup_recip(struct fc_exch_mgr *mp,
+ struct fc_frame *fp)
{
struct fc_frame_header *fh = fc_frame_header_get(fp);
struct fc_exch *ep = NULL;
@@ -996,9 +981,9 @@ static void fc_seq_send_ack(struct fc_seq *sp, const struct fc_frame *rx_fp)
* Send BLS Reject.
* This is for rejecting BA_ABTS only.
*/
-static void
-fc_exch_send_ba_rjt(struct fc_frame *rx_fp, enum fc_ba_rjt_reason reason,
- enum fc_ba_rjt_explan explan)
+static void fc_exch_send_ba_rjt(struct fc_frame *rx_fp,
+ enum fc_ba_rjt_reason reason,
+ enum fc_ba_rjt_explan explan)
{
struct fc_frame *fp;
struct fc_frame_header *rx_fh;
@@ -1096,7 +1081,7 @@ static void fc_exch_recv_abts(struct fc_exch *ep, struct fc_frame *rx_fp)
ap->ba_high_seq_cnt = fh->fh_seq_cnt;
ap->ba_low_seq_cnt = htons(sp->cnt);
}
- sp = fc_seq_start_next(sp);
+ sp = fc_seq_start_next_locked(sp);
spin_unlock_bh(&ep->ex_lock);
fc_seq_send_last(sp, fp, FC_RCTL_BA_ACC, FC_TYPE_BLS);
fc_frame_free(rx_fp);
@@ -1480,10 +1465,11 @@ static void fc_exch_reset(struct fc_exch *ep)
* If sid is non-zero, reset only exchanges we source from that FID.
* If did is non-zero, reset only exchanges destined to that FID.
*/
-void fc_exch_mgr_reset(struct fc_exch_mgr *mp, u32 sid, u32 did)
+void fc_exch_mgr_reset(struct fc_lport *lp, u32 sid, u32 did)
{
struct fc_exch *ep;
struct fc_exch *next;
+ struct fc_exch_mgr *mp = lp->emp;
spin_lock_bh(&mp->em_lock);
restart:
@@ -1607,7 +1593,7 @@ static void fc_exch_rrq_resp(struct fc_seq *sp, struct fc_frame *fp, void *arg)
if (IS_ERR(fp)) {
int err = PTR_ERR(fp);
- if (err == -FC_EX_CLOSED)
+ if (err == -FC_EX_CLOSED || err == -FC_EX_TIMEOUT)
goto cleanup;
FC_DBG("Cannot process RRQ, because of frame error %d\n", err);
return;