[net-next PATCH 07/11] libcxgb,iw_cxgb4,cxgbit: add cxgb_mk_tid_release()

[Varun Prakash]

Add cxgb_mk_tid_release() to remove duplicate code
to form CPL_TID_RELEASE hardware command.

Signed-off-by: Varun Prakash <va...@chelsio.com>
---
 drivers/infiniband/hw/cxgb4/cm.c                  | 10 ++++------
 drivers/net/ethernet/chelsio/libcxgb/libcxgb_cm.h | 13 +++++++++++++
 drivers/target/iscsi/cxgbit/cxgbit_cm.c           | 11 ++---------
 3 files changed, 19 insertions(+), 15 deletions(-)

diff --git a/drivers/infiniband/hw/cxgb4/cm.c b/drivers/infiniband/hw/cxgb4/cm.c
index b9d77df..b818bd6 100644
--- a/drivers/infiniband/hw/cxgb4/cm.c
+++ b/drivers/infiniband/hw/cxgb4/cm.c
@@ -240,15 +240,13 @@ int c4iw_ofld_send(struct c4iw_rdev *rdev, struct sk_buff 
*skb)
 
 static void release_tid(struct c4iw_rdev *rdev, u32 hwtid, struct sk_buff *skb)
 {
-       struct cpl_tid_release *req;
+       u32 len = roundup(sizeof(struct cpl_tid_release), 16);
 
-       skb = get_skb(skb, sizeof *req, GFP_KERNEL);
+       skb = get_skb(skb, len, GFP_KERNEL);
        if (!skb)
                return;
-       req = (struct cpl_tid_release *) skb_put(skb, sizeof(*req));
-       INIT_TP_WR(req, hwtid);
-       OPCODE_TID(req) = cpu_to_be32(MK_OPCODE_TID(CPL_TID_RELEASE, hwtid));
-       set_wr_txq(skb, CPL_PRIORITY_SETUP, 0);
+
+       cxgb_mk_tid_release(skb, len, hwtid, 0);
        c4iw_ofld_send(rdev, skb);
        return;
 }
diff --git a/drivers/net/ethernet/chelsio/libcxgb/libcxgb_cm.h 
b/drivers/net/ethernet/chelsio/libcxgb/libcxgb_cm.h
index ecf3baa..fbb973e 100644
--- a/drivers/net/ethernet/chelsio/libcxgb/libcxgb_cm.h
+++ b/drivers/net/ethernet/chelsio/libcxgb/libcxgb_cm.h
@@ -83,4 +83,17 @@ static inline u32 cxgb_compute_wscale(u32 win)
                wscale++;
        return wscale;
 }
+
+static inline void
+cxgb_mk_tid_release(struct sk_buff *skb, u32 len, u32 tid, u16 chan)
+{
+       struct cpl_tid_release *req;
+
+       req = (struct cpl_tid_release *)__skb_put(skb, len);
+       memset(req, 0, len);
+
+       INIT_TP_WR(req, tid);
+       OPCODE_TID(req) = cpu_to_be32(MK_OPCODE_TID(CPL_TID_RELEASE, tid));
+       set_wr_txq(skb, CPL_PRIORITY_SETUP, chan);
+}
 #endif
diff --git a/drivers/target/iscsi/cxgbit/cxgbit_cm.c 
b/drivers/target/iscsi/cxgbit/cxgbit_cm.c
index cd29c91..994058f 100644
--- a/drivers/target/iscsi/cxgbit/cxgbit_cm.c
+++ b/drivers/target/iscsi/cxgbit/cxgbit_cm.c
@@ -961,21 +961,14 @@ int cxgbit_ofld_send(struct cxgbit_device *cdev, struct 
sk_buff *skb)
 
 static void cxgbit_release_tid(struct cxgbit_device *cdev, u32 tid)
 {
-       struct cpl_tid_release *req;
-       unsigned int len = roundup(sizeof(*req), 16);
+       u32 len = roundup(sizeof(struct cpl_tid_release), 16);
        struct sk_buff *skb;
 
        skb = alloc_skb(len, GFP_ATOMIC);
        if (!skb)
                return;
 
-       req = (struct cpl_tid_release *)__skb_put(skb, len);
-       memset(req, 0, len);
-
-       INIT_TP_WR(req, tid);
-       OPCODE_TID(req) = cpu_to_be32(MK_OPCODE_TID(
-                  CPL_TID_RELEASE, tid));
-       set_wr_txq(skb, CPL_PRIORITY_SETUP, 0);
+       cxgb_mk_tid_release(skb, len, tid, 0);
        cxgbit_ofld_send(cdev, skb);
 }
 
-- 
2.0.2