[net-next PATCH 09/11] libcxgb,iw_cxgb4,cxgbit: add cxgb_mk_abort_req()

[Varun Prakash]

Add cxgb_mk_abort_req() to remove duplicate code
to form CPL_ABORT_REQ hardware command.

Signed-off-by: Varun Prakash <va...@chelsio.com>
---
 drivers/infiniband/hw/cxgb4/cm.c                  | 13 ++++---------
 drivers/net/ethernet/chelsio/libcxgb/libcxgb_cm.h | 16 ++++++++++++++++
 drivers/target/iscsi/cxgbit/cxgbit_cm.c           | 13 +++----------
 3 files changed, 23 insertions(+), 19 deletions(-)

diff --git a/drivers/infiniband/hw/cxgb4/cm.c b/drivers/infiniband/hw/cxgb4/cm.c
index 22bccd8..484196e 100644
--- a/drivers/infiniband/hw/cxgb4/cm.c
+++ b/drivers/infiniband/hw/cxgb4/cm.c
@@ -652,21 +652,16 @@ static int send_halfclose(struct c4iw_ep *ep)
 
 static int send_abort(struct c4iw_ep *ep)
 {
-       struct cpl_abort_req *req;
-       int wrlen = roundup(sizeof *req, 16);
+       u32 wrlen = roundup(sizeof(struct cpl_abort_req), 16);
        struct sk_buff *req_skb = skb_dequeue(&ep->com.ep_skb_list);
 
        PDBG("%s ep %p tid %u\n", __func__, ep, ep->hwtid);
        if (WARN_ON(!req_skb))
                return -ENOMEM;
 
-       set_wr_txq(req_skb, CPL_PRIORITY_DATA, ep->txq_idx);
-       t4_set_arp_err_handler(req_skb, ep, abort_arp_failure);
-       req = (struct cpl_abort_req *)skb_put(req_skb, wrlen);
-       memset(req, 0, wrlen);
-       INIT_TP_WR(req, ep->hwtid);
-       OPCODE_TID(req) = cpu_to_be32(MK_OPCODE_TID(CPL_ABORT_REQ, ep->hwtid));
-       req->cmd = CPL_ABORT_SEND_RST;
+       cxgb_mk_abort_req(req_skb, wrlen, ep->hwtid, ep->txq_idx,
+                         ep, abort_arp_failure);
+
        return c4iw_l2t_send(&ep->com.dev->rdev, req_skb, ep->l2t);
 }
 
diff --git a/drivers/net/ethernet/chelsio/libcxgb/libcxgb_cm.h 
b/drivers/net/ethernet/chelsio/libcxgb/libcxgb_cm.h
index e77661d..2d3a3bf 100644
--- a/drivers/net/ethernet/chelsio/libcxgb/libcxgb_cm.h
+++ b/drivers/net/ethernet/chelsio/libcxgb/libcxgb_cm.h
@@ -112,4 +112,20 @@ cxgb_mk_close_con_req(struct sk_buff *skb, u32 len, u32 
tid, u16 chan,
        set_wr_txq(skb, CPL_PRIORITY_DATA, chan);
        t4_set_arp_err_handler(skb, handle, handler);
 }
+
+static inline void
+cxgb_mk_abort_req(struct sk_buff *skb, u32 len, u32 tid, u16 chan,
+                 void *handle, arp_err_handler_t handler)
+{
+       struct cpl_abort_req *req;
+
+       req = (struct cpl_abort_req *)__skb_put(skb, len);
+       memset(req, 0, len);
+
+       INIT_TP_WR(req, tid);
+       OPCODE_TID(req) = cpu_to_be32(MK_OPCODE_TID(CPL_ABORT_REQ, tid));
+       req->cmd = CPL_ABORT_SEND_RST;
+       set_wr_txq(skb, CPL_PRIORITY_DATA, chan);
+       t4_set_arp_err_handler(skb, handle, handler);
+}
 #endif
diff --git a/drivers/target/iscsi/cxgbit/cxgbit_cm.c 
b/drivers/target/iscsi/cxgbit/cxgbit_cm.c
index a8f5f36..f2b737e 100644
--- a/drivers/target/iscsi/cxgbit/cxgbit_cm.c
+++ b/drivers/target/iscsi/cxgbit/cxgbit_cm.c
@@ -647,9 +647,8 @@ static void cxgbit_abort_arp_failure(void *handle, struct 
sk_buff *skb)
 
 static int cxgbit_send_abort_req(struct cxgbit_sock *csk)
 {
-       struct cpl_abort_req *req;
-       unsigned int len = roundup(sizeof(*req), 16);
        struct sk_buff *skb;
+       u32 len = roundup(sizeof(struct cpl_abort_req), 16);
 
        pr_debug("%s: csk %p tid %u; state %d\n",
                 __func__, csk, csk->tid, csk->com.state);
@@ -660,15 +659,9 @@ static int cxgbit_send_abort_req(struct cxgbit_sock *csk)
                cxgbit_send_tx_flowc_wr(csk);
 
        skb = __skb_dequeue(&csk->skbq);
-       req = (struct cpl_abort_req *)__skb_put(skb, len);
-       memset(req, 0, len);
+       cxgb_mk_abort_req(skb, len, csk->tid, csk->txq_idx,
+                         csk->com.cdev, cxgbit_abort_arp_failure);
 
-       set_wr_txq(skb, CPL_PRIORITY_DATA, csk->txq_idx);
-       t4_set_arp_err_handler(skb, csk->com.cdev, cxgbit_abort_arp_failure);
-       INIT_TP_WR(req, csk->tid);
-       OPCODE_TID(req) = cpu_to_be32(MK_OPCODE_TID(CPL_ABORT_REQ,
-                                                   csk->tid));
-       req->cmd = CPL_ABORT_SEND_RST;
        return cxgbit_l2t_send(csk->com.cdev, skb, csk->l2t);
 }
 
-- 
2.0.2