cnic: Convert ctx_flags to bit fields

so that we can additional bit definitions without requiring a spinlock.
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/cnic.c

@@ -1721,7 +1721,7 @@ static int cnic_bnx2x_iscsi_destroy(struct cnic_dev *dev, struct kwqe *kwqe)
 	struct kcqe *cqes[1];
 	u32 hw_cid, type;
 
-	if (!(ctx->ctx_flags & CTX_FL_OFFLD_START))
+	if (!test_bit(CTX_FL_OFFLD_START, &ctx->ctx_flags))
 		goto skip_cfc_delete;
 
 	while (!time_after(jiffies, ctx->timestamp + (2 * HZ)))
@@ -1943,7 +1943,7 @@ static int cnic_bnx2x_connect(struct cnic_dev *dev, struct kwqe *wqes[],
 	ret = cnic_submit_kwqe_16(dev, L5CM_RAMROD_CMD_ID_TCP_CONNECT,
 			kwqe1->cid, ISCSI_CONNECTION_TYPE, &l5_data);
 	if (!ret)
-		ctx->ctx_flags |= CTX_FL_OFFLD_START;
+		set_bit(CTX_FL_OFFLD_START, &ctx->ctx_flags);
 
 	return ret;
 }

drivers/net/cnic.h

@@ -168,8 +168,8 @@ struct cnic_context {
 	wait_queue_head_t	waitq;
 	int			wait_cond;
 	unsigned long		timestamp;
-	u32			ctx_flags;
-#define	CTX_FL_OFFLD_START	0x00000001
+	unsigned long		ctx_flags;
+#define	CTX_FL_OFFLD_START	0
 	u8			ulp_proto_id;
 	union {
 		struct cnic_iscsi	*iscsi;