diff options
Diffstat (limited to 'drivers/net/bnxt')
-rw-r--r-- | drivers/net/bnxt/Makefile | 6 | ||||
-rw-r--r-- | drivers/net/bnxt/bnxt_cpr.h | 13 | ||||
-rw-r--r-- | drivers/net/bnxt/bnxt_ethdev.c | 117 | ||||
-rw-r--r-- | drivers/net/bnxt/bnxt_hwrm.c | 8 | ||||
-rw-r--r-- | drivers/net/bnxt/bnxt_irq.c | 3 | ||||
-rw-r--r-- | drivers/net/bnxt/bnxt_ring.c | 16 | ||||
-rw-r--r-- | drivers/net/bnxt/bnxt_txr.c | 2 | ||||
-rw-r--r-- | drivers/net/bnxt/bnxt_txr.h | 6 |
8 files changed, 109 insertions, 62 deletions
diff --git a/drivers/net/bnxt/Makefile b/drivers/net/bnxt/Makefile index 65aaa929..0fffe356 100644 --- a/drivers/net/bnxt/Makefile +++ b/drivers/net/bnxt/Makefile @@ -66,10 +66,4 @@ SRCS-$(CONFIG_RTE_LIBRTE_BNXT_PMD) += bnxt_irq.c # SYMLINK-y-include += -# this lib depends upon: -DEPDIRS-$(CONFIG_RTE_LIBRTE_BNXT_PMD) += lib/librte_mbuf -DEPDIRS-$(CONFIG_RTE_LIBRTE_BNXT_PMD) += lib/librte_mempool -DEPDIRS-$(CONFIG_RTE_LIBRTE_BNXT_PMD) += lib/librte_ether -DEPDIRS-$(CONFIG_RTE_LIBRTE_BNXT_PMD) += lib/librte_eal - include $(RTE_SDK)/mk/rte.lib.mk diff --git a/drivers/net/bnxt/bnxt_cpr.h b/drivers/net/bnxt/bnxt_cpr.h index f9f2adb4..83e53761 100644 --- a/drivers/net/bnxt/bnxt_cpr.h +++ b/drivers/net/bnxt/bnxt_cpr.h @@ -34,6 +34,8 @@ #ifndef _BNXT_CPR_H_ #define _BNXT_CPR_H_ +#include <rte_io.h> + #define CMP_VALID(cmp, raw_cons, ring) \ (!!(((struct cmpl_base *)(cmp))->info3_v & CMPL_BASE_V) == \ !((raw_cons) & ((ring)->ring_size))) @@ -50,13 +52,14 @@ #define DB_CP_FLAGS (DB_KEY_CP | DB_IDX_VALID | DB_IRQ_DIS) #define B_CP_DB_REARM(cpr, raw_cons) \ - (*(uint32_t *)((cpr)->cp_doorbell) = (DB_CP_REARM_FLAGS | \ - RING_CMP(cpr->cp_ring_struct, raw_cons))) + rte_write32((DB_CP_REARM_FLAGS | \ + RING_CMP(((cpr)->cp_ring_struct), raw_cons)), \ + ((cpr)->cp_doorbell)) #define B_CP_DIS_DB(cpr, raw_cons) \ - rte_smp_wmb(); \ - (*(uint32_t *)((cpr)->cp_doorbell) = (DB_CP_FLAGS | \ - RING_CMP(cpr->cp_ring_struct, raw_cons))) + rte_write32((DB_CP_FLAGS | \ + RING_CMP(((cpr)->cp_ring_struct), raw_cons)), \ + ((cpr)->cp_doorbell)) struct bnxt_ring; struct bnxt_cp_ring_info { diff --git a/drivers/net/bnxt/bnxt_ethdev.c b/drivers/net/bnxt/bnxt_ethdev.c index 035fe07a..bb873615 100644 --- a/drivers/net/bnxt/bnxt_ethdev.c +++ b/drivers/net/bnxt/bnxt_ethdev.c @@ -36,6 +36,7 @@ #include <rte_dev.h> #include <rte_ethdev.h> +#include <rte_ethdev_pci.h> #include <rte_malloc.h> #include <rte_cycles.h> @@ -59,25 +60,44 @@ static const char bnxt_version[] = #define PCI_VENDOR_ID_BROADCOM 0x14E4 +#define BROADCOM_DEV_ID_STRATUS_NIC 0x1614 +#define BROADCOM_DEV_ID_57414_VF 0x16c1 #define BROADCOM_DEV_ID_57301 0x16c8 #define BROADCOM_DEV_ID_57302 0x16c9 #define BROADCOM_DEV_ID_57304_PF 0x16ca #define BROADCOM_DEV_ID_57304_VF 0x16cb +#define BROADCOM_DEV_ID_57417_MF 0x16cc #define BROADCOM_DEV_ID_NS2 0x16cd +#define BROADCOM_DEV_ID_57311 0x16ce +#define BROADCOM_DEV_ID_57312 0x16cf #define BROADCOM_DEV_ID_57402 0x16d0 #define BROADCOM_DEV_ID_57404 0x16d1 #define BROADCOM_DEV_ID_57406_PF 0x16d2 #define BROADCOM_DEV_ID_57406_VF 0x16d3 #define BROADCOM_DEV_ID_57402_MF 0x16d4 #define BROADCOM_DEV_ID_57407_RJ45 0x16d5 +#define BROADCOM_DEV_ID_57412 0x16d6 +#define BROADCOM_DEV_ID_57414 0x16d7 +#define BROADCOM_DEV_ID_57416_RJ45 0x16d8 +#define BROADCOM_DEV_ID_57417_RJ45 0x16d9 #define BROADCOM_DEV_ID_5741X_VF 0x16dc +#define BROADCOM_DEV_ID_57412_MF 0x16de +#define BROADCOM_DEV_ID_57314 0x16df +#define BROADCOM_DEV_ID_57317_RJ45 0x16e0 #define BROADCOM_DEV_ID_5731X_VF 0x16e1 +#define BROADCOM_DEV_ID_57417_SFP 0x16e2 +#define BROADCOM_DEV_ID_57416_SFP 0x16e3 +#define BROADCOM_DEV_ID_57317_SFP 0x16e4 #define BROADCOM_DEV_ID_57404_MF 0x16e7 #define BROADCOM_DEV_ID_57406_MF 0x16e8 #define BROADCOM_DEV_ID_57407_SFP 0x16e9 #define BROADCOM_DEV_ID_57407_MF 0x16ea +#define BROADCOM_DEV_ID_57414_MF 0x16ec +#define BROADCOM_DEV_ID_57416_MF 0x16ee -static struct rte_pci_id bnxt_pci_id_map[] = { +static const struct rte_pci_id bnxt_pci_id_map[] = { + { RTE_PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, BROADCOM_DEV_ID_STRATUS_NIC) }, + { RTE_PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, BROADCOM_DEV_ID_57414_VF) }, { RTE_PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, BROADCOM_DEV_ID_57301) }, { RTE_PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, BROADCOM_DEV_ID_57302) }, { RTE_PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, BROADCOM_DEV_ID_57304_PF) }, @@ -95,6 +115,21 @@ static struct rte_pci_id bnxt_pci_id_map[] = { { RTE_PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, BROADCOM_DEV_ID_57407_MF) }, { RTE_PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, BROADCOM_DEV_ID_5741X_VF) }, { RTE_PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, BROADCOM_DEV_ID_5731X_VF) }, + { RTE_PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, BROADCOM_DEV_ID_57314) }, + { RTE_PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, BROADCOM_DEV_ID_57417_MF) }, + { RTE_PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, BROADCOM_DEV_ID_57311) }, + { RTE_PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, BROADCOM_DEV_ID_57312) }, + { RTE_PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, BROADCOM_DEV_ID_57412) }, + { RTE_PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, BROADCOM_DEV_ID_57414) }, + { RTE_PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, BROADCOM_DEV_ID_57416_RJ45) }, + { RTE_PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, BROADCOM_DEV_ID_57417_RJ45) }, + { RTE_PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, BROADCOM_DEV_ID_57412_MF) }, + { RTE_PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, BROADCOM_DEV_ID_57317_RJ45) }, + { RTE_PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, BROADCOM_DEV_ID_57417_SFP) }, + { RTE_PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, BROADCOM_DEV_ID_57416_SFP) }, + { RTE_PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, BROADCOM_DEV_ID_57317_SFP) }, + { RTE_PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, BROADCOM_DEV_ID_57414_MF) }, + { RTE_PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, BROADCOM_DEV_ID_57416_MF) }, { .vendor_id = 0, /* sentinel */ }, }; @@ -303,6 +338,8 @@ static void bnxt_dev_info_get_op(struct rte_eth_dev *eth_dev, struct bnxt *bp = (struct bnxt *)eth_dev->data->dev_private; uint16_t max_vnics, i, j, vpool, vrxq; + dev_info->pci_dev = RTE_DEV_TO_PCI(eth_dev->device); + /* MAC Specifics */ dev_info->max_mac_addrs = MAX_NUM_MAC_ADDR; dev_info->max_hash_mac_addrs = 0; @@ -581,9 +618,9 @@ static void bnxt_mac_addr_remove_op(struct rte_eth_dev *eth_dev, } } -static void bnxt_mac_addr_add_op(struct rte_eth_dev *eth_dev, - struct ether_addr *mac_addr, - uint32_t index, uint32_t pool) +static int bnxt_mac_addr_add_op(struct rte_eth_dev *eth_dev, + struct ether_addr *mac_addr, + uint32_t index, uint32_t pool) { struct bnxt *bp = (struct bnxt *)eth_dev->data->dev_private; struct bnxt_vnic_info *vnic = STAILQ_FIRST(&bp->ff_pool[pool]); @@ -591,30 +628,30 @@ static void bnxt_mac_addr_add_op(struct rte_eth_dev *eth_dev, if (BNXT_VF(bp)) { RTE_LOG(ERR, PMD, "Cannot add MAC address to a VF interface\n"); - return; + return -ENOTSUP; } if (!vnic) { RTE_LOG(ERR, PMD, "VNIC not found for pool %d!\n", pool); - return; + return -EINVAL; } /* Attach requested MAC address to the new l2_filter */ STAILQ_FOREACH(filter, &vnic->filter, next) { if (filter->mac_index == index) { RTE_LOG(ERR, PMD, "MAC addr already existed for pool %d\n", pool); - return; + return -EINVAL; } } filter = bnxt_alloc_filter(bp); if (!filter) { RTE_LOG(ERR, PMD, "L2 filter alloc failed\n"); - return; + return -ENODEV; } STAILQ_INSERT_TAIL(&vnic->filter, filter, next); filter->mac_index = index; memcpy(filter->l2_addr, mac_addr, ETHER_ADDR_LEN); - bnxt_hwrm_set_filter(bp, vnic, filter); + return bnxt_hwrm_set_filter(bp, vnic, filter); } int bnxt_link_update_op(struct rte_eth_dev *eth_dev, int wait_to_complete) @@ -743,6 +780,8 @@ static int bnxt_reta_query_op(struct rte_eth_dev *eth_dev, { struct bnxt *bp = (struct bnxt *)eth_dev->data->dev_private; struct bnxt_vnic_info *vnic = &bp->vnic_info[0]; + struct rte_intr_handle *intr_handle + = &bp->pdev->intr_handle; /* Retrieve from the default VNIC */ if (!vnic) @@ -759,7 +798,7 @@ static int bnxt_reta_query_op(struct rte_eth_dev *eth_dev, /* EW - need to revisit here copying from u64 to u16 */ memcpy(reta_conf, vnic->rss_table, reta_size); - if (rte_intr_allow_others(ð_dev->pci_dev->intr_handle)) { + if (rte_intr_allow_others(intr_handle)) { if (eth_dev->data->dev_conf.intr_conf.lsc != 0) bnxt_dev_lsc_intr_setup(eth_dev); } @@ -968,7 +1007,7 @@ static int bnxt_flow_ctrl_set_op(struct rte_eth_dev *dev, * Initialization */ -static struct eth_dev_ops bnxt_dev_ops = { +static const struct eth_dev_ops bnxt_dev_ops = { .dev_infos_get = bnxt_dev_info_get_op, .dev_close = bnxt_dev_close_op, .dev_configure = bnxt_dev_configure_op, @@ -1009,11 +1048,12 @@ static bool bnxt_vf_pciid(uint16_t id) static int bnxt_init_board(struct rte_eth_dev *eth_dev) { - int rc; struct bnxt *bp = eth_dev->data->dev_private; + struct rte_pci_device *pci_dev = RTE_DEV_TO_PCI(eth_dev->device); + int rc; /* enable device (incl. PCI PM wakeup), and bus-mastering */ - if (!eth_dev->pci_dev->mem_resource[0].addr) { + if (!pci_dev->mem_resource[0].addr) { RTE_LOG(ERR, PMD, "Cannot find PCI device base address, aborting\n"); rc = -ENODEV; @@ -1021,9 +1061,9 @@ static int bnxt_init_board(struct rte_eth_dev *eth_dev) } bp->eth_dev = eth_dev; - bp->pdev = eth_dev->pci_dev; + bp->pdev = pci_dev; - bp->bar0 = (void *)eth_dev->pci_dev->mem_resource[0].addr; + bp->bar0 = (void *)pci_dev->mem_resource[0].addr; if (!bp->bar0) { RTE_LOG(ERR, PMD, "Cannot map device registers, aborting\n"); rc = -ENOMEM; @@ -1040,9 +1080,12 @@ init_err_disable: return rc; } +static int bnxt_dev_uninit(struct rte_eth_dev *eth_dev); + static int bnxt_dev_init(struct rte_eth_dev *eth_dev) { + struct rte_pci_device *pci_dev = RTE_DEV_TO_PCI(eth_dev->device); static int version_printed; struct bnxt *bp; int rc; @@ -1050,10 +1093,12 @@ bnxt_dev_init(struct rte_eth_dev *eth_dev) if (version_printed++ == 0) RTE_LOG(INFO, PMD, "%s", bnxt_version); - rte_eth_copy_pci_info(eth_dev, eth_dev->pci_dev); + rte_eth_copy_pci_info(eth_dev, pci_dev); + eth_dev->data->dev_flags |= RTE_ETH_DEV_DETACHABLE; + bp = eth_dev->data->dev_private; - if (bnxt_vf_pciid(eth_dev->pci_dev->id.device_id)) + if (bnxt_vf_pciid(pci_dev->id.device_id)) bp->flags |= BNXT_FLAG_VF; rc = bnxt_init_board(eth_dev); @@ -1121,15 +1166,15 @@ bnxt_dev_init(struct rte_eth_dev *eth_dev) RTE_LOG(INFO, PMD, DRV_MODULE_NAME " found at mem %" PRIx64 ", node addr %pM\n", - eth_dev->pci_dev->mem_resource[0].phys_addr, - eth_dev->pci_dev->mem_resource[0].addr); + pci_dev->mem_resource[0].phys_addr, + pci_dev->mem_resource[0].addr); bp->dev_stopped = 0; return 0; error_free: - eth_dev->driver->eth_dev_uninit(eth_dev); + bnxt_dev_uninit(eth_dev); error: return rc; } @@ -1158,18 +1203,26 @@ bnxt_dev_uninit(struct rte_eth_dev *eth_dev) { return rc; } -static struct eth_driver bnxt_rte_pmd = { - .pci_drv = { - .id_table = bnxt_pci_id_map, - .drv_flags = RTE_PCI_DRV_NEED_MAPPING | - RTE_PCI_DRV_DETACHABLE | RTE_PCI_DRV_INTR_LSC, - .probe = rte_eth_dev_pci_probe, - .remove = rte_eth_dev_pci_remove - }, - .eth_dev_init = bnxt_dev_init, - .eth_dev_uninit = bnxt_dev_uninit, - .dev_private_size = sizeof(struct bnxt), +static int bnxt_pci_probe(struct rte_pci_driver *pci_drv __rte_unused, + struct rte_pci_device *pci_dev) +{ + return rte_eth_dev_pci_generic_probe(pci_dev, sizeof(struct bnxt), + bnxt_dev_init); +} + +static int bnxt_pci_remove(struct rte_pci_device *pci_dev) +{ + return rte_eth_dev_pci_generic_remove(pci_dev, bnxt_dev_uninit); +} + +static struct rte_pci_driver bnxt_rte_pmd = { + .id_table = bnxt_pci_id_map, + .drv_flags = RTE_PCI_DRV_NEED_MAPPING | + RTE_PCI_DRV_INTR_LSC, + .probe = bnxt_pci_probe, + .remove = bnxt_pci_remove, }; -RTE_PMD_REGISTER_PCI(net_bnxt, bnxt_rte_pmd.pci_drv); +RTE_PMD_REGISTER_PCI(net_bnxt, bnxt_rte_pmd); RTE_PMD_REGISTER_PCI_TABLE(net_bnxt, bnxt_pci_id_map); +RTE_PMD_REGISTER_KMOD_DEP(net_bnxt, "* igb_uio | uio_pci_generic | vfio"); diff --git a/drivers/net/bnxt/bnxt_hwrm.c b/drivers/net/bnxt/bnxt_hwrm.c index 07e71241..3849d1a6 100644 --- a/drivers/net/bnxt/bnxt_hwrm.c +++ b/drivers/net/bnxt/bnxt_hwrm.c @@ -50,6 +50,8 @@ #include "bnxt_vnic.h" #include "hsi_struct_def_dpdk.h" +#include <rte_io.h> + #define HWRM_CMD_TIMEOUT 2000 /* @@ -72,19 +74,19 @@ static int bnxt_hwrm_send_message_locked(struct bnxt *bp, void *msg, /* Write request msg to hwrm channel */ for (i = 0; i < msg_len; i += 4) { bar = (uint8_t *)bp->bar0 + i; - *(volatile uint32_t *)bar = *data; + rte_write32(*data, bar); data++; } /* Zero the rest of the request space */ for (; i < bp->max_req_len; i += 4) { bar = (uint8_t *)bp->bar0 + i; - *(volatile uint32_t *)bar = 0; + rte_write32(0, bar); } /* Ring channel doorbell */ bar = (uint8_t *)bp->bar0 + 0x100; - *(volatile uint32_t *)bar = 1; + rte_write32(1, bar); /* Poll for the valid bit */ for (i = 0; i < HWRM_CMD_TIMEOUT; i++) { diff --git a/drivers/net/bnxt/bnxt_irq.c b/drivers/net/bnxt/bnxt_irq.c index e93585a0..20e17ff5 100644 --- a/drivers/net/bnxt/bnxt_irq.c +++ b/drivers/net/bnxt/bnxt_irq.c @@ -45,8 +45,7 @@ * Interrupts */ -static void bnxt_int_handler(struct rte_intr_handle *handle __rte_unused, - void *param) +static void bnxt_int_handler(void *param) { struct rte_eth_dev *eth_dev = (struct rte_eth_dev *)param; struct bnxt *bp = (struct bnxt *)eth_dev->data->dev_private; diff --git a/drivers/net/bnxt/bnxt_ring.c b/drivers/net/bnxt/bnxt_ring.c index 3f81ffcc..0fafa13f 100644 --- a/drivers/net/bnxt/bnxt_ring.c +++ b/drivers/net/bnxt/bnxt_ring.c @@ -209,6 +209,7 @@ int bnxt_alloc_rings(struct bnxt *bp, uint16_t qidx, */ int bnxt_alloc_hwrm_rings(struct bnxt *bp) { + struct rte_pci_device *pci_dev = bp->pdev; unsigned int i; int rc = 0; @@ -222,8 +223,7 @@ int bnxt_alloc_hwrm_rings(struct bnxt *bp) 0, HWRM_NA_SIGNATURE); if (rc) goto err_out; - cpr->cp_doorbell = - (char *)bp->eth_dev->pci_dev->mem_resource[2].addr; + cpr->cp_doorbell = pci_dev->mem_resource[2].addr; B_CP_DIS_DB(cpr, cpr->cp_raw_cons); bp->grp_info[0].cp_fw_ring_id = cp_ring->fw_ring_id; } @@ -242,8 +242,7 @@ int bnxt_alloc_hwrm_rings(struct bnxt *bp) idx, HWRM_NA_SIGNATURE); if (rc) goto err_out; - cpr->cp_doorbell = - (char *)bp->eth_dev->pci_dev->mem_resource[2].addr + + cpr->cp_doorbell = (char *)pci_dev->mem_resource[2].addr + idx * 0x80; bp->grp_info[idx].cp_fw_ring_id = cp_ring->fw_ring_id; B_CP_DIS_DB(cpr, cpr->cp_raw_cons); @@ -255,8 +254,7 @@ int bnxt_alloc_hwrm_rings(struct bnxt *bp) if (rc) goto err_out; rxr->rx_prod = 0; - rxr->rx_doorbell = - (char *)bp->eth_dev->pci_dev->mem_resource[2].addr + + rxr->rx_doorbell = (char *)pci_dev->mem_resource[2].addr + idx * 0x80; bp->grp_info[idx].rx_fw_ring_id = ring->fw_ring_id; B_RX_DB(rxr->rx_doorbell, rxr->rx_prod); @@ -283,8 +281,7 @@ int bnxt_alloc_hwrm_rings(struct bnxt *bp) if (rc) goto err_out; - cpr->cp_doorbell = - (char *)bp->eth_dev->pci_dev->mem_resource[2].addr + + cpr->cp_doorbell = (char *)pci_dev->mem_resource[2].addr + idx * 0x80; bp->grp_info[idx].cp_fw_ring_id = cp_ring->fw_ring_id; B_CP_DIS_DB(cpr, cpr->cp_raw_cons); @@ -296,8 +293,7 @@ int bnxt_alloc_hwrm_rings(struct bnxt *bp) if (rc) goto err_out; - txr->tx_doorbell = - (char *)bp->eth_dev->pci_dev->mem_resource[2].addr + + txr->tx_doorbell = (char *)pci_dev->mem_resource[2].addr + idx * 0x80; } diff --git a/drivers/net/bnxt/bnxt_txr.c b/drivers/net/bnxt/bnxt_txr.c index 8bf8fee3..0d15bb1e 100644 --- a/drivers/net/bnxt/bnxt_txr.c +++ b/drivers/net/bnxt/bnxt_txr.c @@ -298,7 +298,7 @@ static int bnxt_handle_tx_cp(struct bnxt_tx_queue *txq) if (CMP_TYPE(txcmp) == TX_CMPL_TYPE_TX_L2) nb_tx_pkts++; else - RTE_LOG(DEBUG, PMD, + RTE_LOG_DP(DEBUG, PMD, "Unhandled CMP type %02x\n", CMP_TYPE(txcmp)); raw_cons = NEXT_RAW_CMP(raw_cons); diff --git a/drivers/net/bnxt/bnxt_txr.h b/drivers/net/bnxt/bnxt_txr.h index 4c16101b..5b097114 100644 --- a/drivers/net/bnxt/bnxt_txr.h +++ b/drivers/net/bnxt/bnxt_txr.h @@ -34,12 +34,12 @@ #ifndef _BNXT_TXR_H_ #define _BNXT_TXR_H_ +#include <rte_io.h> + #define MAX_TX_RINGS 16 #define BNXT_TX_PUSH_THRESH 92 -#define B_TX_DB(db, prod) \ - rte_smp_wmb(); \ - (*(uint32_t *)db = (DB_KEY_TX | prod)) +#define B_TX_DB(db, prod) rte_write32((DB_KEY_TX | (prod)), db) struct bnxt_tx_ring_info { uint16_t tx_prod; |