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authorLinus Torvalds <torvalds@linux-foundation.org>2011-11-01 10:51:38 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2011-11-01 10:51:38 -0700
commitf470f8d4e702593ee1d0852871ad80373bce707b (patch)
tree85a67e65c5e5b9777639bd8f4c763a4cf8787e0e /drivers/infiniband/hw/nes/nes_mgt.h
parentdc47d3810cdcb4f32bfa31d50f26af97aced0638 (diff)
parent504255f8d0480cf293962adf4bc3aecac645ae71 (diff)
downloadblackbird-obmc-linux-f470f8d4e702593ee1d0852871ad80373bce707b.tar.gz
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Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband: (62 commits) mlx4_core: Deprecate log_num_vlan module param IB/mlx4: Don't set VLAN in IBoE WQEs' control segment IB/mlx4: Enable 4K mtu for IBoE RDMA/cxgb4: Mark QP in error before disabling the queue in firmware RDMA/cxgb4: Serialize calls to CQ's comp_handler RDMA/cxgb3: Serialize calls to CQ's comp_handler IB/qib: Fix issue with link states and QSFP cables IB/mlx4: Configure extended active speeds mlx4_core: Add extended port capabilities support IB/qib: Hold links until tuning data is available IB/qib: Clean up checkpatch issue IB/qib: Remove s_lock around header validation IB/qib: Precompute timeout jiffies to optimize latency IB/qib: Use RCU for qpn lookup IB/qib: Eliminate divide/mod in converting idx to egr buf pointer IB/qib: Decode path MTU optimization IB/qib: Optimize RC/UC code by IB operation IPoIB: Use the right function to do DMA unmap pages RDMA/cxgb4: Use correct QID in insert_recv_cqe() RDMA/cxgb4: Make sure flush CQ entries are collected on connection close ...
Diffstat (limited to 'drivers/infiniband/hw/nes/nes_mgt.h')
-rw-r--r--drivers/infiniband/hw/nes/nes_mgt.h97
1 files changed, 97 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/nes/nes_mgt.h b/drivers/infiniband/hw/nes/nes_mgt.h
new file mode 100644
index 000000000000..8c8af254555a
--- /dev/null
+++ b/drivers/infiniband/hw/nes/nes_mgt.h
@@ -0,0 +1,97 @@
+/*
+* Copyright (c) 2010 Intel-NE, Inc. All rights reserved.
+*
+* This software is available to you under a choice of one of two
+* licenses. You may choose to be licensed under the terms of the GNU
+* General Public License (GPL) Version 2, available from the file
+* COPYING in the main directory of this source tree, or the
+* OpenIB.org BSD license below:
+*
+* Redistribution and use in source and binary forms, with or
+* without modification, are permitted provided that the following
+* conditions are met:
+*
+* - Redistributions of source code must retain the above
+* copyright notice, this list of conditions and the following
+* disclaimer.
+*
+* - Redistributions in binary form must reproduce the above
+* copyright notice, this list of conditions and the following
+* disclaimer in the documentation and/or other materials
+* provided with the distribution.
+*
+* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+* SOFTWARE.
+*/
+
+#ifndef __NES_MGT_H
+#define __NES_MGT_H
+
+#define MPA_FRAMING 6 /* length is 2 bytes, crc is 4 bytes */
+
+int nes_init_mgt_qp(struct nes_device *nesdev, struct net_device *netdev, struct nes_vnic *nesvnic);
+void nes_queue_mgt_skbs(struct sk_buff *skb, struct nes_vnic *nesvnic, struct nes_qp *nesqp);
+void nes_destroy_mgt(struct nes_vnic *nesvnic);
+void nes_destroy_pau_qp(struct nes_device *nesdev, struct nes_qp *nesqp);
+
+struct nes_hw_mgt {
+ struct nes_hw_nic_rq_wqe *rq_vbase; /* virtual address of rq */
+ dma_addr_t rq_pbase; /* PCI memory for host rings */
+ struct sk_buff *rx_skb[NES_NIC_WQ_SIZE];
+ u16 qp_id;
+ u16 sq_head;
+ u16 rq_head;
+ u16 rq_tail;
+ u16 rq_size;
+ u8 replenishing_rq;
+ u8 reserved;
+ spinlock_t rq_lock;
+};
+
+struct nes_vnic_mgt {
+ struct nes_vnic *nesvnic;
+ struct nes_hw_mgt mgt;
+ struct nes_hw_nic_cq mgt_cq;
+ atomic_t rx_skbs_needed;
+ struct timer_list rq_wqes_timer;
+ atomic_t rx_skb_timer_running;
+};
+
+#define MAX_FPDU_FRAGS 4
+struct pau_fpdu_frag {
+ struct sk_buff *skb;
+ u64 physaddr;
+ u32 frag_len;
+ bool cmplt;
+};
+
+struct pau_fpdu_info {
+ struct nes_qp *nesqp;
+ struct nes_cqp_request *cqp_request;
+ void *hdr_vbase;
+ dma_addr_t hdr_pbase;
+ int hdr_len;
+ u16 data_len;
+ u16 frag_cnt;
+ struct pau_fpdu_frag frags[MAX_FPDU_FRAGS];
+};
+
+enum pau_qh_state {
+ PAU_DEL_QH,
+ PAU_ADD_LB_QH,
+ PAU_READY
+};
+
+struct pau_qh_chg {
+ struct nes_device *nesdev;
+ struct nes_vnic *nesvnic;
+ struct nes_qp *nesqp;
+};
+
+#endif /* __NES_MGT_H */
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