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authorLuca Boccassi <luca.boccassi@gmail.com>2018-08-14 18:52:30 +0100
committerLuca Boccassi <luca.boccassi@gmail.com>2018-08-14 18:53:17 +0100
commitb63264c8342e6a1b6971c79550d2af2024b6a4de (patch)
tree83114aac64286fe616506c0b3dfaec2ab86ef835 /drivers/net/netvsc/hn_var.h
parentca33590b6af032bff57d9cc70455660466a654b2 (diff)
New upstream version 18.08upstream/18.08
Change-Id: I32fdf5e5016556d9c0a6d88ddaf1fc468961790a Signed-off-by: Luca Boccassi <luca.boccassi@gmail.com>
Diffstat (limited to 'drivers/net/netvsc/hn_var.h')
-rw-r--r--drivers/net/netvsc/hn_var.h158
1 files changed, 158 insertions, 0 deletions
diff --git a/drivers/net/netvsc/hn_var.h b/drivers/net/netvsc/hn_var.h
new file mode 100644
index 00000000..f7ff8585
--- /dev/null
+++ b/drivers/net/netvsc/hn_var.h
@@ -0,0 +1,158 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright (c) 2009-2018 Microsoft Corp.
+ * Copyright (c) 2016 Brocade Communications Systems, Inc.
+ * Copyright (c) 2012 NetApp Inc.
+ * Copyright (c) 2012 Citrix Inc.
+ * All rights reserved.
+ */
+
+/*
+ * Tunable ethdev params
+ */
+#define HN_MIN_RX_BUF_SIZE 1024
+#define HN_MAX_XFER_LEN 2048
+#define HN_MAX_MAC_ADDRS 1
+#define HN_MAX_CHANNELS 64
+
+/* Claimed to be 12232B */
+#define HN_MTU_MAX (9 * 1024)
+
+/* Retry interval */
+#define HN_CHAN_INTERVAL_US 100
+
+/* Buffers need to be aligned */
+#ifndef PAGE_SIZE
+#define PAGE_SIZE 4096
+#endif
+
+#ifndef PAGE_MASK
+#define PAGE_MASK (PAGE_SIZE - 1)
+#endif
+
+struct hn_data;
+struct hn_txdesc;
+
+struct hn_stats {
+ uint64_t packets;
+ uint64_t bytes;
+ uint64_t errors;
+ uint64_t nomemory;
+ uint64_t multicast;
+ uint64_t broadcast;
+ /* Size bins in array as RFC 2819, undersized [0], 64 [1], etc */
+ uint64_t size_bins[8];
+};
+
+struct hn_tx_queue {
+ struct hn_data *hv;
+ struct vmbus_channel *chan;
+ uint16_t port_id;
+ uint16_t queue_id;
+ uint32_t free_thresh;
+
+ /* Applied packet transmission aggregation limits. */
+ uint32_t agg_szmax;
+ uint32_t agg_pktmax;
+ uint32_t agg_align;
+
+ /* Packet transmission aggregation states */
+ struct hn_txdesc *agg_txd;
+ uint32_t agg_pktleft;
+ uint32_t agg_szleft;
+ struct rndis_packet_msg *agg_prevpkt;
+
+ struct hn_stats stats;
+};
+
+struct hn_rx_queue {
+ struct hn_data *hv;
+ struct vmbus_channel *chan;
+ struct rte_mempool *mb_pool;
+ struct rte_ring *rx_ring;
+
+ rte_spinlock_t ring_lock;
+ uint32_t event_sz;
+ uint16_t port_id;
+ uint16_t queue_id;
+ struct hn_stats stats;
+ uint64_t ring_full;
+
+ uint8_t event_buf[];
+};
+
+
+/* multi-packet data from host */
+struct hn_rx_bufinfo {
+ struct vmbus_channel *chan;
+ struct hn_data *hv;
+ uint64_t xactid;
+ struct rte_mbuf_ext_shared_info shinfo;
+} __rte_cache_aligned;
+
+struct hn_data {
+ struct rte_vmbus_device *vmbus;
+ struct hn_rx_queue *primary;
+ uint16_t port_id;
+ bool closed;
+ uint32_t link_status;
+ uint32_t link_speed;
+
+ struct rte_mem_resource *rxbuf_res; /* UIO resource for Rx */
+ struct hn_rx_bufinfo *rxbuf_info;
+ uint32_t rxbuf_section_cnt; /* # of Rx sections */
+ volatile uint32_t rxbuf_outstanding;
+ uint16_t max_queues; /* Max available queues */
+ uint16_t num_queues;
+ uint64_t rss_offloads;
+
+ struct rte_mem_resource *chim_res; /* UIO resource for Tx */
+ struct rte_mempool *tx_pool; /* Tx descriptors */
+ uint32_t chim_szmax; /* Max size per buffer */
+ uint32_t chim_cnt; /* Max packets per buffer */
+
+ uint32_t nvs_ver;
+ uint32_t ndis_ver;
+ uint32_t rndis_agg_size;
+ uint32_t rndis_agg_pkts;
+ uint32_t rndis_agg_align;
+
+ volatile uint32_t rndis_pending;
+ rte_atomic32_t rndis_req_id;
+ uint8_t rndis_resp[256];
+
+ struct ether_addr mac_addr;
+ struct vmbus_channel *channels[HN_MAX_CHANNELS];
+};
+
+static inline struct vmbus_channel *
+hn_primary_chan(const struct hn_data *hv)
+{
+ return hv->channels[0];
+}
+
+void hn_process_events(struct hn_data *hv, uint16_t queue_id);
+
+uint16_t hn_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts,
+ uint16_t nb_pkts);
+uint16_t hn_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts,
+ uint16_t nb_pkts);
+
+int hn_tx_pool_init(struct rte_eth_dev *dev);
+int hn_dev_tx_queue_setup(struct rte_eth_dev *dev, uint16_t queue_idx,
+ uint16_t nb_desc, unsigned int socket_id,
+ const struct rte_eth_txconf *tx_conf);
+void hn_dev_tx_queue_release(void *arg);
+void hn_dev_tx_queue_info(struct rte_eth_dev *dev, uint16_t queue_idx,
+ struct rte_eth_txq_info *qinfo);
+
+struct hn_rx_queue *hn_rx_queue_alloc(struct hn_data *hv,
+ uint16_t queue_id,
+ unsigned int socket_id);
+int hn_dev_rx_queue_setup(struct rte_eth_dev *dev,
+ uint16_t queue_idx, uint16_t nb_desc,
+ unsigned int socket_id,
+ const struct rte_eth_rxconf *rx_conf,
+ struct rte_mempool *mp);
+void hn_dev_rx_queue_release(void *arg);
+void hn_dev_rx_queue_info(struct rte_eth_dev *dev, uint16_t queue_idx,
+ struct rte_eth_rxq_info *qinfo);