RDMA/nes: Encapsulate logic nes_put_cqp_request()
The iw_nes driver repeats the logic
if (atomic_dec_and_test(&cqp_request->refcount)) {
if (cqp_request->dynamic) {
kfree(cqp_request);
} else {
spin_lock_irqsave(&nesdev->cqp.lock, flags);
list_add_tail(&cqp_request->list, &nesdev->cqp_avail_reqs);
spin_unlock_irqrestore(&nesdev->cqp.lock, flags);
}
}
over and over. Wrap this up in functions nes_free_cqp_request() and
nes_put_cqp_request() to simplify such code.
In addition to making the source smaller and more readable, this shrinks
the compiled code quite a bit:
add/remove: 2/0 grow/shrink: 0/13 up/down: 164/-1692 (-1528)
function old new delta
nes_free_cqp_request - 147 +147
nes_put_cqp_request - 17 +17
nes_modify_qp 2316 2293 -23
nes_hw_modify_qp 737 657 -80
nes_dereg_mr 945 860 -85
flush_wqes 501 416 -85
nes_manage_apbvt 648 560 -88
nes_reg_mr 1117 1026 -91
nes_cqp_ce_handler 927 769 -158
nes_alloc_mw 1052 884 -168
nes_create_qp 5314 5141 -173
nes_alloc_fmr 2212 2035 -177
nes_destroy_cq 1097 918 -179
nes_create_cq 2787 2598 -189
nes_dealloc_mw 762 566 -196
Signed-off-by: Roland Dreier <rolandd@cisco.com>
Acked-by: Faisal Latif <flatif@neteffect.com>
This commit is contained in:
Roland Dreier
Родитель
ee1e2c82c2
Коммит
1ff66e8c1f
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@ -538,6 +538,10 @@ void nes_read_1G_phy_reg(struct nes_device *, u8, u8, u16 *);
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void nes_write_10G_phy_reg(struct nes_device *, u16, u8, u16, u16);
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void nes_read_10G_phy_reg(struct nes_device *, u8, u8, u16);
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struct nes_cqp_request *nes_get_cqp_request(struct nes_device *);
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void nes_free_cqp_request(struct nes_device *nesdev,
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struct nes_cqp_request *cqp_request);
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void nes_put_cqp_request(struct nes_device *nesdev,
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struct nes_cqp_request *cqp_request);
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void nes_post_cqp_request(struct nes_device *, struct nes_cqp_request *, int);
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int nes_arp_table(struct nes_device *, u32, u8 *, u32);
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void nes_mh_fix(unsigned long);
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@ -2710,39 +2710,11 @@ static void nes_cqp_ce_handler(struct nes_device *nesdev, struct nes_hw_cq *cq)
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barrier();
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cqp_request->request_done = 1;
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wake_up(&cqp_request->waitq);
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if (atomic_dec_and_test(&cqp_request->refcount)) {
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nes_debug(NES_DBG_CQP, "CQP request %p (opcode 0x%02X) freed.\n",
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cqp_request,
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le32_to_cpu(cqp_request->cqp_wqe.wqe_words[NES_CQP_WQE_OPCODE_IDX])&0x3f);
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if (cqp_request->dynamic) {
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kfree(cqp_request);
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} else {
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spin_lock_irqsave(&nesdev->cqp.lock, flags);
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list_add_tail(&cqp_request->list, &nesdev->cqp_avail_reqs);
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spin_unlock_irqrestore(&nesdev->cqp.lock, flags);
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}
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}
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} else if (cqp_request->callback) {
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/* Envoke the callback routine */
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cqp_request->cqp_callback(nesdev, cqp_request);
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if (cqp_request->dynamic) {
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kfree(cqp_request);
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} else {
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spin_lock_irqsave(&nesdev->cqp.lock, flags);
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list_add_tail(&cqp_request->list, &nesdev->cqp_avail_reqs);
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spin_unlock_irqrestore(&nesdev->cqp.lock, flags);
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}
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nes_put_cqp_request(nesdev, cqp_request);
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} else {
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nes_debug(NES_DBG_CQP, "CQP request %p (opcode 0x%02X) freed.\n",
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cqp_request,
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le32_to_cpu(cqp_request->cqp_wqe.wqe_words[NES_CQP_WQE_OPCODE_IDX]) & 0x3f);
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if (cqp_request->dynamic) {
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kfree(cqp_request);
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} else {
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spin_lock_irqsave(&nesdev->cqp.lock, flags);
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list_add_tail(&cqp_request->list, &nesdev->cqp_avail_reqs);
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spin_unlock_irqrestore(&nesdev->cqp.lock, flags);
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}
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if (cqp_request->callback)
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cqp_request->cqp_callback(nesdev, cqp_request);
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nes_free_cqp_request(nesdev, cqp_request);
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}
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} else {
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wake_up(&nesdev->cqp.waitq);
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@ -3149,7 +3121,6 @@ int nes_manage_apbvt(struct nes_vnic *nesvnic, u32 accel_local_port,
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{
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struct nes_device *nesdev = nesvnic->nesdev;
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struct nes_hw_cqp_wqe *cqp_wqe;
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unsigned long flags;
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struct nes_cqp_request *cqp_request;
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int ret = 0;
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u16 major_code;
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@ -3184,15 +3155,9 @@ int nes_manage_apbvt(struct nes_vnic *nesvnic, u32 accel_local_port,
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nes_debug(NES_DBG_QP, "Completed, ret=%u, CQP Major:Minor codes = 0x%04X:0x%04X\n",
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ret, cqp_request->major_code, cqp_request->minor_code);
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major_code = cqp_request->major_code;
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if (atomic_dec_and_test(&cqp_request->refcount)) {
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if (cqp_request->dynamic) {
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kfree(cqp_request);
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} else {
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spin_lock_irqsave(&nesdev->cqp.lock, flags);
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list_add_tail(&cqp_request->list, &nesdev->cqp_avail_reqs);
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spin_unlock_irqrestore(&nesdev->cqp.lock, flags);
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}
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}
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nes_put_cqp_request(nesdev, cqp_request);
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if (!ret)
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return -ETIME;
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else if (major_code)
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@ -3262,7 +3227,6 @@ void nes_manage_arp_cache(struct net_device *netdev, unsigned char *mac_addr,
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void flush_wqes(struct nes_device *nesdev, struct nes_qp *nesqp,
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u32 which_wq, u32 wait_completion)
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{
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unsigned long flags;
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struct nes_cqp_request *cqp_request;
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struct nes_hw_cqp_wqe *cqp_wqe;
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int ret;
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@ -3294,14 +3258,6 @@ void flush_wqes(struct nes_device *nesdev, struct nes_qp *nesqp,
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nes_debug(NES_DBG_QP, "Flush SQ QP WQEs completed, ret=%u,"
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" CQP Major:Minor codes = 0x%04X:0x%04X\n",
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ret, cqp_request->major_code, cqp_request->minor_code);
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if (atomic_dec_and_test(&cqp_request->refcount)) {
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if (cqp_request->dynamic) {
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kfree(cqp_request);
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} else {
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spin_lock_irqsave(&nesdev->cqp.lock, flags);
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list_add_tail(&cqp_request->list, &nesdev->cqp_avail_reqs);
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spin_unlock_irqrestore(&nesdev->cqp.lock, flags);
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}
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}
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nes_put_cqp_request(nesdev, cqp_request);
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}
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}
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@ -567,6 +567,30 @@ struct nes_cqp_request *nes_get_cqp_request(struct nes_device *nesdev)
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return cqp_request;
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}
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void nes_free_cqp_request(struct nes_device *nesdev,
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struct nes_cqp_request *cqp_request)
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{
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unsigned long flags;
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nes_debug(NES_DBG_CQP, "CQP request %p (opcode 0x%02X) freed.\n",
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cqp_request,
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le32_to_cpu(cqp_request->cqp_wqe.wqe_words[NES_CQP_WQE_OPCODE_IDX]) & 0x3f);
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if (cqp_request->dynamic) {
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kfree(cqp_request);
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} else {
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spin_lock_irqsave(&nesdev->cqp.lock, flags);
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list_add_tail(&cqp_request->list, &nesdev->cqp_avail_reqs);
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spin_unlock_irqrestore(&nesdev->cqp.lock, flags);
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}
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}
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void nes_put_cqp_request(struct nes_device *nesdev,
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struct nes_cqp_request *cqp_request)
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{
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if (atomic_dec_and_test(&cqp_request->refcount))
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nes_free_cqp_request(nesdev, cqp_request);
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}
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/**
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* nes_post_cqp_request
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@ -55,7 +55,6 @@ static void nes_unregister_ofa_device(struct nes_ib_device *nesibdev);
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* nes_alloc_mw
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*/
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static struct ib_mw *nes_alloc_mw(struct ib_pd *ibpd) {
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unsigned long flags;
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struct nes_pd *nespd = to_nespd(ibpd);
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struct nes_vnic *nesvnic = to_nesvnic(ibpd->device);
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struct nes_device *nesdev = nesvnic->nesdev;
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@ -128,15 +127,7 @@ static struct ib_mw *nes_alloc_mw(struct ib_pd *ibpd) {
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" CQP Major:Minor codes = 0x%04X:0x%04X.\n",
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stag, ret, cqp_request->major_code, cqp_request->minor_code);
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if ((!ret) || (cqp_request->major_code)) {
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if (atomic_dec_and_test(&cqp_request->refcount)) {
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if (cqp_request->dynamic) {
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kfree(cqp_request);
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} else {
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spin_lock_irqsave(&nesdev->cqp.lock, flags);
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list_add_tail(&cqp_request->list, &nesdev->cqp_avail_reqs);
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spin_unlock_irqrestore(&nesdev->cqp.lock, flags);
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}
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}
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nes_put_cqp_request(nesdev, cqp_request);
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kfree(nesmr);
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nes_free_resource(nesadapter, nesadapter->allocated_mrs, stag_index);
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if (!ret) {
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@ -144,17 +135,8 @@ static struct ib_mw *nes_alloc_mw(struct ib_pd *ibpd) {
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} else {
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return ERR_PTR(-ENOMEM);
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}
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} else {
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if (atomic_dec_and_test(&cqp_request->refcount)) {
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if (cqp_request->dynamic) {
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kfree(cqp_request);
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} else {
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spin_lock_irqsave(&nesdev->cqp.lock, flags);
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list_add_tail(&cqp_request->list, &nesdev->cqp_avail_reqs);
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spin_unlock_irqrestore(&nesdev->cqp.lock, flags);
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}
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}
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}
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nes_put_cqp_request(nesdev, cqp_request);
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nesmr->ibmw.rkey = stag;
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nesmr->mode = IWNES_MEMREG_TYPE_MW;
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@ -178,7 +160,6 @@ static int nes_dealloc_mw(struct ib_mw *ibmw)
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struct nes_hw_cqp_wqe *cqp_wqe;
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struct nes_cqp_request *cqp_request;
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int err = 0;
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unsigned long flags;
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int ret;
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/* Deallocate the window with the adapter */
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@ -204,32 +185,12 @@ static int nes_dealloc_mw(struct ib_mw *ibmw)
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nes_debug(NES_DBG_MR, "Deallocate STag completed, wait_event_timeout ret = %u,"
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" CQP Major:Minor codes = 0x%04X:0x%04X.\n",
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ret, cqp_request->major_code, cqp_request->minor_code);
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if ((!ret) || (cqp_request->major_code)) {
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if (atomic_dec_and_test(&cqp_request->refcount)) {
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if (cqp_request->dynamic) {
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kfree(cqp_request);
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} else {
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spin_lock_irqsave(&nesdev->cqp.lock, flags);
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list_add_tail(&cqp_request->list, &nesdev->cqp_avail_reqs);
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spin_unlock_irqrestore(&nesdev->cqp.lock, flags);
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}
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}
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if (!ret) {
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err = -ETIME;
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} else {
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err = -EIO;
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}
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} else {
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if (atomic_dec_and_test(&cqp_request->refcount)) {
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if (cqp_request->dynamic) {
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kfree(cqp_request);
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} else {
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spin_lock_irqsave(&nesdev->cqp.lock, flags);
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list_add_tail(&cqp_request->list, &nesdev->cqp_avail_reqs);
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spin_unlock_irqrestore(&nesdev->cqp.lock, flags);
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}
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}
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}
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if (!ret)
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err = -ETIME;
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else if (cqp_request->major_code)
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err = -EIO;
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nes_put_cqp_request(nesdev, cqp_request);
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nes_free_resource(nesadapter, nesadapter->allocated_mrs,
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(ibmw->rkey & 0x0fffff00) >> 8);
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@ -526,29 +487,11 @@ static struct ib_fmr *nes_alloc_fmr(struct ib_pd *ibpd,
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stag, ret, cqp_request->major_code, cqp_request->minor_code);
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if ((!ret) || (cqp_request->major_code)) {
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if (atomic_dec_and_test(&cqp_request->refcount)) {
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if (cqp_request->dynamic) {
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kfree(cqp_request);
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} else {
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spin_lock_irqsave(&nesdev->cqp.lock, flags);
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list_add_tail(&cqp_request->list, &nesdev->cqp_avail_reqs);
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spin_unlock_irqrestore(&nesdev->cqp.lock, flags);
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}
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}
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nes_put_cqp_request(nesdev, cqp_request);
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ret = (!ret) ? -ETIME : -EIO;
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goto failed_leaf_vpbl_pages_alloc;
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} else {
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if (atomic_dec_and_test(&cqp_request->refcount)) {
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if (cqp_request->dynamic) {
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kfree(cqp_request);
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} else {
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spin_lock_irqsave(&nesdev->cqp.lock, flags);
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list_add_tail(&cqp_request->list, &nesdev->cqp_avail_reqs);
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spin_unlock_irqrestore(&nesdev->cqp.lock, flags);
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}
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}
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}
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nes_put_cqp_request(nesdev, cqp_request);
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nesfmr->nesmr.ibfmr.lkey = stag;
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nesfmr->nesmr.ibfmr.rkey = stag;
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nesfmr->attr = *ibfmr_attr;
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@ -1487,15 +1430,7 @@ static struct ib_qp *nes_create_qp(struct ib_pd *ibpd,
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nesqp->hwqp.qp_id, ret, nesdev->cqp.sq_head, nesdev->cqp.sq_tail,
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cqp_request->major_code, cqp_request->minor_code);
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if ((!ret) || (cqp_request->major_code)) {
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if (atomic_dec_and_test(&cqp_request->refcount)) {
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if (cqp_request->dynamic) {
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kfree(cqp_request);
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} else {
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spin_lock_irqsave(&nesdev->cqp.lock, flags);
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list_add_tail(&cqp_request->list, &nesdev->cqp_avail_reqs);
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spin_unlock_irqrestore(&nesdev->cqp.lock, flags);
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}
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}
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nes_put_cqp_request(nesdev, cqp_request);
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nes_free_resource(nesadapter, nesadapter->allocated_qps, qp_num);
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nes_free_qp_mem(nesdev, nesqp,virt_wqs);
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kfree(nesqp->allocated_buffer);
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@ -1504,18 +1439,10 @@ static struct ib_qp *nes_create_qp(struct ib_pd *ibpd,
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} else {
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return ERR_PTR(-EIO);
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}
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} else {
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if (atomic_dec_and_test(&cqp_request->refcount)) {
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if (cqp_request->dynamic) {
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kfree(cqp_request);
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} else {
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spin_lock_irqsave(&nesdev->cqp.lock, flags);
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list_add_tail(&cqp_request->list, &nesdev->cqp_avail_reqs);
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spin_unlock_irqrestore(&nesdev->cqp.lock, flags);
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}
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}
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}
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nes_put_cqp_request(nesdev, cqp_request);
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if (ibpd->uobject) {
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uresp.mmap_sq_db_index = nesqp->mmap_sq_db_index;
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uresp.actual_sq_size = sq_size;
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@ -1827,32 +1754,15 @@ static struct ib_cq *nes_create_cq(struct ib_device *ibdev, int entries,
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nes_debug(NES_DBG_CQ, "Create iWARP CQ%u completed, wait_event_timeout ret = %d.\n",
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nescq->hw_cq.cq_number, ret);
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if ((!ret) || (cqp_request->major_code)) {
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if (atomic_dec_and_test(&cqp_request->refcount)) {
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if (cqp_request->dynamic) {
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kfree(cqp_request);
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} else {
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spin_lock_irqsave(&nesdev->cqp.lock, flags);
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list_add_tail(&cqp_request->list, &nesdev->cqp_avail_reqs);
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spin_unlock_irqrestore(&nesdev->cqp.lock, flags);
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}
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}
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nes_put_cqp_request(nesdev, cqp_request);
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if (!context)
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pci_free_consistent(nesdev->pcidev, nescq->cq_mem_size, mem,
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nescq->hw_cq.cq_pbase);
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nes_free_resource(nesadapter, nesadapter->allocated_cqs, cq_num);
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kfree(nescq);
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return ERR_PTR(-EIO);
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} else {
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if (atomic_dec_and_test(&cqp_request->refcount)) {
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if (cqp_request->dynamic) {
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kfree(cqp_request);
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} else {
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spin_lock_irqsave(&nesdev->cqp.lock, flags);
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list_add_tail(&cqp_request->list, &nesdev->cqp_avail_reqs);
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spin_unlock_irqrestore(&nesdev->cqp.lock, flags);
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}
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}
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}
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nes_put_cqp_request(nesdev, cqp_request);
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if (context) {
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/* free the nespbl */
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@ -1942,37 +1852,18 @@ static int nes_destroy_cq(struct ib_cq *ib_cq)
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" CQP Major:Minor codes = 0x%04X:0x%04X.\n",
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nescq->hw_cq.cq_number, ret, cqp_request->major_code,
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cqp_request->minor_code);
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if ((!ret) || (cqp_request->major_code)) {
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if (atomic_dec_and_test(&cqp_request->refcount)) {
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if (cqp_request->dynamic) {
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kfree(cqp_request);
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} else {
|
||||
spin_lock_irqsave(&nesdev->cqp.lock, flags);
|
||||
list_add_tail(&cqp_request->list, &nesdev->cqp_avail_reqs);
|
||||
spin_unlock_irqrestore(&nesdev->cqp.lock, flags);
|
||||
}
|
||||
}
|
||||
if (!ret) {
|
||||
nes_debug(NES_DBG_CQ, "iWARP CQ%u destroy timeout expired\n",
|
||||
if (!ret) {
|
||||
nes_debug(NES_DBG_CQ, "iWARP CQ%u destroy timeout expired\n",
|
||||
nescq->hw_cq.cq_number);
|
||||
ret = -ETIME;
|
||||
} else {
|
||||
nes_debug(NES_DBG_CQ, "iWARP CQ%u destroy failed\n",
|
||||
ret = -ETIME;
|
||||
} else if (cqp_request->major_code) {
|
||||
nes_debug(NES_DBG_CQ, "iWARP CQ%u destroy failed\n",
|
||||
nescq->hw_cq.cq_number);
|
||||
ret = -EIO;
|
||||
}
|
||||
ret = -EIO;
|
||||
} else {
|
||||
ret = 0;
|
||||
if (atomic_dec_and_test(&cqp_request->refcount)) {
|
||||
if (cqp_request->dynamic) {
|
||||
kfree(cqp_request);
|
||||
} else {
|
||||
spin_lock_irqsave(&nesdev->cqp.lock, flags);
|
||||
list_add_tail(&cqp_request->list, &nesdev->cqp_avail_reqs);
|
||||
spin_unlock_irqrestore(&nesdev->cqp.lock, flags);
|
||||
}
|
||||
}
|
||||
}
|
||||
nes_put_cqp_request(nesdev, cqp_request);
|
||||
|
||||
if (nescq->cq_mem_size)
|
||||
pci_free_consistent(nesdev->pcidev, nescq->cq_mem_size,
|
||||
|
|
@ -2105,15 +1996,8 @@ static int nes_reg_mr(struct nes_device *nesdev, struct nes_pd *nespd,
|
|||
" CQP Major:Minor codes = 0x%04X:0x%04X.\n",
|
||||
stag, ret, cqp_request->major_code, cqp_request->minor_code);
|
||||
major_code = cqp_request->major_code;
|
||||
if (atomic_dec_and_test(&cqp_request->refcount)) {
|
||||
if (cqp_request->dynamic) {
|
||||
kfree(cqp_request);
|
||||
} else {
|
||||
spin_lock_irqsave(&nesdev->cqp.lock, flags);
|
||||
list_add_tail(&cqp_request->list, &nesdev->cqp_avail_reqs);
|
||||
spin_unlock_irqrestore(&nesdev->cqp.lock, flags);
|
||||
}
|
||||
}
|
||||
nes_put_cqp_request(nesdev, cqp_request);
|
||||
|
||||
if (!ret)
|
||||
return -ETIME;
|
||||
else if (major_code)
|
||||
|
|
@ -2771,15 +2655,9 @@ static int nes_dereg_mr(struct ib_mr *ib_mr)
|
|||
|
||||
major_code = cqp_request->major_code;
|
||||
minor_code = cqp_request->minor_code;
|
||||
if (atomic_dec_and_test(&cqp_request->refcount)) {
|
||||
if (cqp_request->dynamic) {
|
||||
kfree(cqp_request);
|
||||
} else {
|
||||
spin_lock_irqsave(&nesdev->cqp.lock, flags);
|
||||
list_add_tail(&cqp_request->list, &nesdev->cqp_avail_reqs);
|
||||
spin_unlock_irqrestore(&nesdev->cqp.lock, flags);
|
||||
}
|
||||
}
|
||||
|
||||
nes_put_cqp_request(nesdev, cqp_request);
|
||||
|
||||
if (!ret) {
|
||||
nes_debug(NES_DBG_MR, "Timeout waiting to destroy STag,"
|
||||
" ib_mr=%p, rkey = 0x%08X\n",
|
||||
|
|
@ -2904,7 +2782,6 @@ int nes_hw_modify_qp(struct nes_device *nesdev, struct nes_qp *nesqp,
|
|||
/* struct iw_cm_id *cm_id = nesqp->cm_id; */
|
||||
/* struct iw_cm_event cm_event; */
|
||||
struct nes_cqp_request *cqp_request;
|
||||
unsigned long flags;
|
||||
int ret;
|
||||
u16 major_code;
|
||||
|
||||
|
|
@ -2950,15 +2827,9 @@ int nes_hw_modify_qp(struct nes_device *nesdev, struct nes_qp *nesqp,
|
|||
nesqp->hwqp.qp_id, cqp_request->major_code,
|
||||
cqp_request->minor_code, next_iwarp_state);
|
||||
}
|
||||
if (atomic_dec_and_test(&cqp_request->refcount)) {
|
||||
if (cqp_request->dynamic) {
|
||||
kfree(cqp_request);
|
||||
} else {
|
||||
spin_lock_irqsave(&nesdev->cqp.lock, flags);
|
||||
list_add_tail(&cqp_request->list, &nesdev->cqp_avail_reqs);
|
||||
spin_unlock_irqrestore(&nesdev->cqp.lock, flags);
|
||||
}
|
||||
}
|
||||
|
||||
nes_put_cqp_request(nesdev, cqp_request);
|
||||
|
||||
if (!ret)
|
||||
return -ETIME;
|
||||
else if (major_code)
|
||||
|
|
|
|||
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