ipoib.h (9d40cf60d6875924171eafe6364d4edc69f8d4c2) ipoib.h (4e38478c595a9e6225b525890d7ee269a203c200)
1/*-
2 * SPDX-License-Identifier: BSD-2-Clause OR GPL-2.0
3 *
4 * Copyright (c) 2004, 2005 Topspin Communications. All rights reserved.
5 * Copyright (c) 2005 Sun Microsystems, Inc. All rights reserved.
6 * Copyright (c) 2004 Voltaire, Inc. All rights reserved.
7 *
8 * This software is available to you under a choice of one of two

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112 IPOIB_FLUSH_NORMAL,
113 IPOIB_FLUSH_HEAVY
114};
115
116enum {
117 IPOIB_ENCAP_LEN = 4,
118 IPOIB_HEADER_LEN = IPOIB_ENCAP_LEN + INFINIBAND_ALEN,
119 IPOIB_UD_MAX_MTU = 4 * 1024,
1/*-
2 * SPDX-License-Identifier: BSD-2-Clause OR GPL-2.0
3 *
4 * Copyright (c) 2004, 2005 Topspin Communications. All rights reserved.
5 * Copyright (c) 2005 Sun Microsystems, Inc. All rights reserved.
6 * Copyright (c) 2004 Voltaire, Inc. All rights reserved.
7 *
8 * This software is available to you under a choice of one of two

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112 IPOIB_FLUSH_NORMAL,
113 IPOIB_FLUSH_HEAVY
114};
115
116enum {
117 IPOIB_ENCAP_LEN = 4,
118 IPOIB_HEADER_LEN = IPOIB_ENCAP_LEN + INFINIBAND_ALEN,
119 IPOIB_UD_MAX_MTU = 4 * 1024,
120// IPOIB_UD_RX_SG = (IPOIB_UD_MAX_MTU / MJUMPAGESIZE),
121 IPOIB_UD_RX_SG = 2,
120 IPOIB_UD_RX_SG = 2, /* packet header and one cluster */
122 IPOIB_UD_TX_SG = (IPOIB_UD_MAX_MTU / MCLBYTES) + 2,
123 IPOIB_CM_MAX_MTU = (64 * 1024),
124 IPOIB_CM_TX_SG = (IPOIB_CM_MAX_MTU / MCLBYTES) + 2,
121 IPOIB_UD_TX_SG = (IPOIB_UD_MAX_MTU / MCLBYTES) + 2,
122 IPOIB_CM_MAX_MTU = (64 * 1024),
123 IPOIB_CM_TX_SG = (IPOIB_CM_MAX_MTU / MCLBYTES) + 2,
125 IPOIB_CM_RX_SG = (IPOIB_CM_MAX_MTU / MJUMPAGESIZE),
124 IPOIB_CM_RX_SG = (IPOIB_CM_MAX_MTU / MCLBYTES) + 2,
126 IPOIB_RX_RING_SIZE = 256,
127 IPOIB_TX_RING_SIZE = 128,
128 IPOIB_MAX_RX_SG = MAX(IPOIB_CM_RX_SG, IPOIB_UD_RX_SG),
129 IPOIB_MAX_TX_SG = MAX(IPOIB_CM_TX_SG, IPOIB_UD_TX_SG),
130 IPOIB_MAX_QUEUE_SIZE = 8192,
131 IPOIB_MIN_QUEUE_SIZE = 2,
132 IPOIB_CM_MAX_CONN_QP = 4096,
133

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524void ipoib_drain_cq(struct ipoib_dev_priv *priv);
525
526int ipoib_dma_map_tx(struct ib_device *ca, struct ipoib_tx_buf *tx_req, int max);
527void ipoib_dma_unmap_tx(struct ib_device *ca, struct ipoib_tx_buf *tx_req);
528int ipoib_poll_tx(struct ipoib_dev_priv *priv, bool do_start);
529
530void ipoib_dma_unmap_rx(struct ipoib_dev_priv *priv, struct ipoib_rx_buf *rx_req);
531void ipoib_dma_mb(struct ipoib_dev_priv *priv, struct mbuf *mb, unsigned int length);
125 IPOIB_RX_RING_SIZE = 256,
126 IPOIB_TX_RING_SIZE = 128,
127 IPOIB_MAX_RX_SG = MAX(IPOIB_CM_RX_SG, IPOIB_UD_RX_SG),
128 IPOIB_MAX_TX_SG = MAX(IPOIB_CM_TX_SG, IPOIB_UD_TX_SG),
129 IPOIB_MAX_QUEUE_SIZE = 8192,
130 IPOIB_MIN_QUEUE_SIZE = 2,
131 IPOIB_CM_MAX_CONN_QP = 4096,
132

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523void ipoib_drain_cq(struct ipoib_dev_priv *priv);
524
525int ipoib_dma_map_tx(struct ib_device *ca, struct ipoib_tx_buf *tx_req, int max);
526void ipoib_dma_unmap_tx(struct ib_device *ca, struct ipoib_tx_buf *tx_req);
527int ipoib_poll_tx(struct ipoib_dev_priv *priv, bool do_start);
528
529void ipoib_dma_unmap_rx(struct ipoib_dev_priv *priv, struct ipoib_rx_buf *rx_req);
530void ipoib_dma_mb(struct ipoib_dev_priv *priv, struct mbuf *mb, unsigned int length);
532struct mbuf *ipoib_alloc_map_mb(struct ipoib_dev_priv *priv, struct ipoib_rx_buf *rx_req, int align, int size);
531struct mbuf *ipoib_alloc_map_mb(struct ipoib_dev_priv *priv, struct ipoib_rx_buf *rx_req, int align, int size, int max_frags);
533
534
535void ipoib_set_ethtool_ops(struct ifnet *dev);
536int ipoib_set_dev_features(struct ipoib_dev_priv *priv, struct ib_device *hca);
537
538#ifdef CONFIG_INFINIBAND_IPOIB_CM
539
540#define IPOIB_FLAGS_RC 0x80

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533
534void ipoib_set_ethtool_ops(struct ifnet *dev);
535int ipoib_set_dev_features(struct ipoib_dev_priv *priv, struct ib_device *hca);
536
537#ifdef CONFIG_INFINIBAND_IPOIB_CM
538
539#define IPOIB_FLAGS_RC 0x80

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