-/*
- * Copyright 2008-2014 Cisco Systems, Inc. All rights reserved.
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright 2008-2017 Cisco Systems, Inc. All rights reserved.
* Copyright 2007 Nuova Systems, Inc. All rights reserved.
- *
- * Copyright (c) 2014, Cisco Systems, Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * 2. 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.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
- * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
- * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
- * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
- * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGE.
- *
*/
#ifndef _ENIC_H_
#include "vnic_rss.h"
#include "enic_res.h"
#include "cq_enet_desc.h"
+#include <stdbool.h>
+#include <sys/queue.h>
+#include <rte_spinlock.h>
#define DRV_NAME "enic_pmd"
#define DRV_DESCRIPTION "Cisco VIC Ethernet NIC Poll-mode Driver"
-#define DRV_VERSION "1.0.0.6"
#define DRV_COPYRIGHT "Copyright 2008-2015 Cisco Systems, Inc"
-#define ENIC_WQ_MAX 8
-#define ENIC_RQ_MAX 8
-#define ENIC_CQ_MAX (ENIC_WQ_MAX + ENIC_RQ_MAX)
-#define ENIC_INTR_MAX (ENIC_CQ_MAX + 2)
-
#define VLAN_ETH_HLEN 18
#define ENICPMD_SETTING(enic, f) ((enic->config.flags & VENETF_##f) ? 1 : 0)
#define ENICPMD_BDF_LENGTH 13 /* 0000:00:00.0'\0' */
-#define PKT_TX_TCP_UDP_CKSUM 0x6000
#define ENIC_CALC_IP_CKSUM 1
#define ENIC_CALC_TCP_UDP_CKSUM 2
#define ENIC_MAX_MTU 9000
#define PAGE_ROUND_UP(x) \
((((unsigned long)(x)) + ENIC_PAGE_SIZE-1) & (~(ENIC_PAGE_SIZE-1)))
+/* must be >= VNIC_COUNTER_DMA_MIN_PERIOD */
+#define VNIC_FLOW_COUNTER_UPDATE_MSECS 500
+
#define ENICPMD_VFIO_PATH "/dev/vfio/vfio"
/*#define ENIC_DESC_COUNT_MAKE_ODD (x) do{if ((~(x)) & 1) { (x)--; } }while(0)*/
#define PCI_DEVICE_ID_CISCO_VIC_ENET 0x0043 /* ethernet vnic */
#define PCI_DEVICE_ID_CISCO_VIC_ENET_VF 0x0071 /* enet SRIOV VF */
+/* Special Filter id for non-specific packet flagging. Don't change value */
+#define ENIC_MAGIC_FILTER_ID 0xffff
#define ENICPMD_FDIR_MAX 64
+/* HW default VXLAN port */
+#define ENIC_DEFAULT_VXLAN_PORT 4789
+
+/*
+ * Interrupt 0: LSC and errors
+ * Interrupt 1: rx queue 0
+ * Interrupt 2: rx queue 1
+ * ...
+ */
+#define ENICPMD_LSC_INTR_OFFSET 0
+#define ENICPMD_RXQ_INTR_OFFSET 1
+
struct enic_fdir_node {
struct rte_eth_fdir_filter filter;
u16 fltr_id;
struct rte_eth_fdir_stats stats;
struct rte_hash *hash;
struct enic_fdir_node *nodes[ENICPMD_FDIR_MAX];
+ u32 modes;
+ u32 types_mask;
+ void (*copy_fltr_fn)(struct filter_v2 *filt,
+ const struct rte_eth_fdir_input *input,
+ const struct rte_eth_fdir_masks *masks);
};
struct enic_soft_stats {
rte_atomic64_t rx_nombuf;
+ rte_atomic64_t rx_packet_errors;
+ rte_atomic64_t tx_oversized;
+};
+
+struct enic_memzone_entry {
+ const struct rte_memzone *rz;
+ LIST_ENTRY(enic_memzone_entry) entries;
+};
+
+struct rte_flow {
+ LIST_ENTRY(rte_flow) next;
+ u16 enic_filter_id;
+ struct filter_v2 enic_filter;
+ int counter_idx; /* NIC allocated counter index (-1 = invalid) */
};
/* Per-instance private data structure */
struct vnic_dev_bar bar0;
struct vnic_dev *vdev;
+ /*
+ * mbuf_initializer contains 64 bits of mbuf rearm_data, used by
+ * the avx2 handler at this time.
+ */
+ uint64_t mbuf_initializer;
unsigned int port_id;
+ bool overlay_offload;
struct rte_eth_dev *rte_dev;
struct enic_fdir fdir;
char bdf_name[ENICPMD_BDF_LENGTH];
u8 ig_vlan_strip_en;
int link_status;
u8 hw_ip_checksum;
+ u16 max_mtu;
+ u8 adv_filters;
+ u32 flow_filter_mode;
+ u8 filter_actions; /* HW supported actions */
+ bool vxlan;
+ bool disable_overlay; /* devargs disable_overlay=1 */
+ uint8_t enable_avx2_rx; /* devargs enable-avx2-rx=1 */
+ bool nic_cfg_chk; /* NIC_CFG_CHK available */
+ bool udp_rss_weak; /* Bodega style UDP RSS */
+ uint8_t ig_vlan_rewrite_mode; /* devargs ig-vlan-rewrite */
+ uint16_t vxlan_port; /* current vxlan port pushed to NIC */
unsigned int flags;
unsigned int priv_flags;
- /* work queue */
- struct vnic_wq wq[ENIC_WQ_MAX];
- unsigned int wq_count;
+ /* work queue (len = conf_wq_count) */
+ struct vnic_wq *wq;
+ unsigned int wq_count; /* equals eth_dev nb_tx_queues */
- /* receive queue */
- struct vnic_rq rq[ENIC_RQ_MAX];
- unsigned int rq_count;
+ /* receive queue (len = conf_rq_count) */
+ struct vnic_rq *rq;
+ unsigned int rq_count; /* equals eth_dev nb_rx_queues */
- /* completion queue */
- struct vnic_cq cq[ENIC_CQ_MAX];
- unsigned int cq_count;
+ /* completion queue (len = conf_cq_count) */
+ struct vnic_cq *cq;
+ unsigned int cq_count; /* equals rq_count + wq_count */
- /* interrupt resource */
- struct vnic_intr intr;
- unsigned int intr_count;
+ /* interrupt vectors (len = conf_intr_count) */
+ struct vnic_intr *intr;
+ unsigned int intr_count; /* equals enabled interrupts (lsc + rxqs) */
/* software counters */
struct enic_soft_stats soft_stats;
+
+ /* configured resources on vic */
+ unsigned int conf_rq_count;
+ unsigned int conf_wq_count;
+ unsigned int conf_cq_count;
+ unsigned int conf_intr_count;
+
+ /* linked list storing memory allocations */
+ LIST_HEAD(enic_memzone_list, enic_memzone_entry) memzone_list;
+ rte_spinlock_t memzone_list_lock;
+ rte_spinlock_t mtu_lock;
+
+ LIST_HEAD(enic_flows, rte_flow) flows;
+ int max_flow_counter;
+ rte_spinlock_t flows_lock;
+
+ /* RSS */
+ uint16_t reta_size;
+ uint8_t hash_key_size;
+ uint64_t flow_type_rss_offloads; /* 0 indicates RSS not supported */
+ /*
+ * Keep a copy of current RSS config for queries, as we cannot retrieve
+ * it from the NIC.
+ */
+ uint8_t rss_hash_type; /* NIC_CFG_RSS_HASH_TYPE flags */
+ uint8_t rss_enable;
+ uint64_t rss_hf; /* ETH_RSS flags */
+ union vnic_rss_key rss_key;
+ union vnic_rss_cpu rss_cpu;
+
+ uint64_t rx_offload_capa; /* DEV_RX_OFFLOAD flags */
+ uint64_t tx_offload_capa; /* DEV_TX_OFFLOAD flags */
+ uint64_t tx_queue_offload_capa; /* DEV_TX_OFFLOAD flags */
+ uint64_t tx_offload_mask; /* PKT_TX flags accepted */
+
+ /* Multicast MAC addresses added to the NIC */
+ uint32_t mc_count;
+ struct rte_ether_addr mc_addrs[ENIC_MULTICAST_PERFECT_FILTERS];
};
+/* Compute ethdev's max packet size from MTU */
+static inline uint32_t enic_mtu_to_max_rx_pktlen(uint32_t mtu)
+{
+ /* ethdev max size includes eth whereas NIC MTU does not */
+ return mtu + ETHER_HDR_LEN;
+}
+
+/* Get the CQ index from a Start of Packet(SOP) RQ index */
+static inline unsigned int enic_sop_rq_idx_to_cq_idx(unsigned int sop_idx)
+{
+ return sop_idx / 2;
+}
+
+/* Get the RTE RQ index from a Start of Packet(SOP) RQ index */
+static inline unsigned int enic_sop_rq_idx_to_rte_idx(unsigned int sop_idx)
+{
+ return sop_idx / 2;
+}
+
+/* Get the Start of Packet(SOP) RQ index from a RTE RQ index */
+static inline unsigned int enic_rte_rq_idx_to_sop_idx(unsigned int rte_idx)
+{
+ return rte_idx * 2;
+}
+
+/* Get the Data RQ index from a RTE RQ index */
+static inline unsigned int enic_rte_rq_idx_to_data_idx(unsigned int rte_idx)
+{
+ return rte_idx * 2 + 1;
+}
+
+static inline unsigned int enic_vnic_rq_count(struct enic *enic)
+{
+ return enic->rq_count * 2;
+}
+
static inline unsigned int enic_cq_rq(__rte_unused struct enic *enic, unsigned int rq)
{
- return rq;
+ /* Scatter rx uses two receive queues together with one
+ * completion queue, so the completion queue number is no
+ * longer the same as the rq number.
+ */
+ return rq / 2;
}
static inline unsigned int enic_cq_wq(struct enic *enic, unsigned int wq)
return enic->rq_count + wq;
}
-static inline unsigned int enic_msix_err_intr(__rte_unused struct enic *enic)
+static inline struct enic *pmd_priv(struct rte_eth_dev *eth_dev)
+{
+ return (struct enic *)eth_dev->data->dev_private;
+}
+
+static inline uint32_t
+enic_ring_add(uint32_t n_descriptors, uint32_t i0, uint32_t i1)
{
- return 0;
+ uint32_t d = i0 + i1;
+ d -= (d >= n_descriptors) ? n_descriptors : 0;
+ return d;
}
-static inline struct enic *pmd_priv(struct rte_eth_dev *eth_dev)
+static inline uint32_t
+enic_ring_sub(uint32_t n_descriptors, uint32_t i0, uint32_t i1)
{
- return (struct enic *)eth_dev->data->dev_private;
+ int32_t d = i1 - i0;
+ return (uint32_t)((d < 0) ? ((int32_t)n_descriptors + d) : d);
+}
+
+static inline uint32_t
+enic_ring_incr(uint32_t n_descriptors, uint32_t idx)
+{
+ idx++;
+ if (unlikely(idx == n_descriptors))
+ idx = 0;
+ return idx;
}
-extern void enic_fdir_stats_get(struct enic *enic,
- struct rte_eth_fdir_stats *stats);
-extern int enic_fdir_add_fltr(struct enic *enic,
- struct rte_eth_fdir_filter *params);
-extern int enic_fdir_del_fltr(struct enic *enic,
- struct rte_eth_fdir_filter *params);
-extern void enic_free_wq(void *txq);
-extern int enic_alloc_intr_resources(struct enic *enic);
-extern int enic_setup_finish(struct enic *enic);
-extern int enic_alloc_wq(struct enic *enic, uint16_t queue_idx,
- unsigned int socket_id, uint16_t nb_desc);
-extern void enic_start_wq(struct enic *enic, uint16_t queue_idx);
-extern int enic_stop_wq(struct enic *enic, uint16_t queue_idx);
-extern void enic_start_rq(struct enic *enic, uint16_t queue_idx);
-extern int enic_stop_rq(struct enic *enic, uint16_t queue_idx);
-extern void enic_free_rq(void *rxq);
-extern int enic_alloc_rq(struct enic *enic, uint16_t queue_idx,
- unsigned int socket_id, struct rte_mempool *mp,
- uint16_t nb_desc);
-extern int enic_set_rss_nic_cfg(struct enic *enic);
-extern int enic_set_vnic_res(struct enic *enic);
-extern void enic_set_hdr_split_size(struct enic *enic, u16 split_hdr_size);
-extern int enic_enable(struct enic *enic);
-extern int enic_disable(struct enic *enic);
-extern void enic_remove(struct enic *enic);
-extern int enic_get_link_status(struct enic *enic);
-extern void enic_dev_stats_get(struct enic *enic,
- struct rte_eth_stats *r_stats);
-extern void enic_dev_stats_clear(struct enic *enic);
-extern void enic_add_packet_filter(struct enic *enic);
-extern void enic_set_mac_address(struct enic *enic, uint8_t *mac_addr);
-extern void enic_del_mac_address(struct enic *enic);
-extern unsigned int enic_cleanup_wq(struct enic *enic, struct vnic_wq *wq);
-extern void enic_send_pkt(struct enic *enic, struct vnic_wq *wq,
- struct rte_mbuf *tx_pkt, unsigned short len,
- uint8_t sop, uint8_t eop, uint8_t cq_entry,
- uint16_t ol_flags, uint16_t vlan_tag);
-
-extern void enic_post_wq_index(struct vnic_wq *wq);
-extern int enic_probe(struct enic *enic);
-extern int enic_clsf_init(struct enic *enic);
-extern void enic_clsf_destroy(struct enic *enic);
+void enic_fdir_stats_get(struct enic *enic,
+ struct rte_eth_fdir_stats *stats);
+int enic_fdir_add_fltr(struct enic *enic,
+ struct rte_eth_fdir_filter *params);
+int enic_fdir_del_fltr(struct enic *enic,
+ struct rte_eth_fdir_filter *params);
+void enic_free_wq(void *txq);
+int enic_alloc_intr_resources(struct enic *enic);
+int enic_setup_finish(struct enic *enic);
+int enic_alloc_wq(struct enic *enic, uint16_t queue_idx,
+ unsigned int socket_id, uint16_t nb_desc);
+void enic_start_wq(struct enic *enic, uint16_t queue_idx);
+int enic_stop_wq(struct enic *enic, uint16_t queue_idx);
+void enic_start_rq(struct enic *enic, uint16_t queue_idx);
+int enic_stop_rq(struct enic *enic, uint16_t queue_idx);
+void enic_free_rq(void *rxq);
+int enic_alloc_rq(struct enic *enic, uint16_t queue_idx,
+ unsigned int socket_id, struct rte_mempool *mp,
+ uint16_t nb_desc, uint16_t free_thresh);
+int enic_set_vnic_res(struct enic *enic);
+int enic_init_rss_nic_cfg(struct enic *enic);
+int enic_set_rss_conf(struct enic *enic,
+ struct rte_eth_rss_conf *rss_conf);
+int enic_set_rss_reta(struct enic *enic, union vnic_rss_cpu *rss_cpu);
+int enic_set_vlan_strip(struct enic *enic);
+int enic_enable(struct enic *enic);
+int enic_disable(struct enic *enic);
+void enic_remove(struct enic *enic);
+int enic_get_link_status(struct enic *enic);
+int enic_dev_stats_get(struct enic *enic,
+ struct rte_eth_stats *r_stats);
+void enic_dev_stats_clear(struct enic *enic);
+void enic_add_packet_filter(struct enic *enic);
+int enic_set_mac_address(struct enic *enic, uint8_t *mac_addr);
+int enic_del_mac_address(struct enic *enic, int mac_index);
+unsigned int enic_cleanup_wq(struct enic *enic, struct vnic_wq *wq);
+void enic_send_pkt(struct enic *enic, struct vnic_wq *wq,
+ struct rte_mbuf *tx_pkt, unsigned short len,
+ uint8_t sop, uint8_t eop, uint8_t cq_entry,
+ uint16_t ol_flags, uint16_t vlan_tag);
+
+void enic_post_wq_index(struct vnic_wq *wq);
+int enic_probe(struct enic *enic);
+int enic_clsf_init(struct enic *enic);
+void enic_clsf_destroy(struct enic *enic);
uint16_t enic_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts,
uint16_t nb_pkts);
-
+uint16_t enic_noscatter_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts,
+ uint16_t nb_pkts);
+uint16_t enic_dummy_recv_pkts(void *rx_queue,
+ struct rte_mbuf **rx_pkts,
+ uint16_t nb_pkts);
+uint16_t enic_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts,
+ uint16_t nb_pkts);
+uint16_t enic_simple_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts,
+ uint16_t nb_pkts);
+uint16_t enic_prep_pkts(void *tx_queue, struct rte_mbuf **tx_pkts,
+ uint16_t nb_pkts);
+int enic_set_mtu(struct enic *enic, uint16_t new_mtu);
+int enic_link_update(struct enic *enic);
+bool enic_use_vector_rx_handler(struct enic *enic);
+void enic_fdir_info(struct enic *enic);
+void enic_fdir_info_get(struct enic *enic, struct rte_eth_fdir_info *stats);
+extern const struct rte_flow_ops enic_flow_ops;
#endif /* _ENIC_H_ */
git.droids-corp.org / dpdk.git / blobdiff