diff options
Diffstat (limited to 'drivers/net/ethernet/pensando/ionic')
| -rw-r--r-- | drivers/net/ethernet/pensando/ionic/ionic_dev.c | 14 | ||||
| -rw-r--r-- | drivers/net/ethernet/pensando/ionic/ionic_dev.h | 7 | ||||
| -rw-r--r-- | drivers/net/ethernet/pensando/ionic/ionic_ethtool.c | 4 | ||||
| -rw-r--r-- | drivers/net/ethernet/pensando/ionic/ionic_if.h | 112 | ||||
| -rw-r--r-- | drivers/net/ethernet/pensando/ionic/ionic_lif.c | 114 | ||||
| -rw-r--r-- | drivers/net/ethernet/pensando/ionic/ionic_lif.h | 13 | ||||
| -rw-r--r-- | drivers/net/ethernet/pensando/ionic/ionic_main.c | 2 | ||||
| -rw-r--r-- | drivers/net/ethernet/pensando/ionic/ionic_txrx.c | 27 |
8 files changed, 263 insertions, 30 deletions
diff --git a/drivers/net/ethernet/pensando/ionic/ionic_dev.c b/drivers/net/ethernet/pensando/ionic/ionic_dev.c index f4ae40ae1e53..d83eff0ae0ac 100644 --- a/drivers/net/ethernet/pensando/ionic/ionic_dev.c +++ b/drivers/net/ethernet/pensando/ionic/ionic_dev.c @@ -388,6 +388,19 @@ int ionic_set_vf_config(struct ionic *ionic, int vf, u8 attr, u8 *data) } /* LIF commands */ +void ionic_dev_cmd_queue_identify(struct ionic_dev *idev, + u16 lif_type, u8 qtype, u8 qver) +{ + union ionic_dev_cmd cmd = { + .q_identify.opcode = IONIC_CMD_Q_IDENTIFY, + .q_identify.lif_type = lif_type, + .q_identify.type = qtype, + .q_identify.ver = qver, + }; + + ionic_dev_cmd_go(idev, &cmd); +} + void ionic_dev_cmd_lif_identify(struct ionic_dev *idev, u8 type, u8 ver) { union ionic_dev_cmd cmd = { @@ -431,6 +444,7 @@ void ionic_dev_cmd_adminq_init(struct ionic_dev *idev, struct ionic_qcq *qcq, .q_init.opcode = IONIC_CMD_Q_INIT, .q_init.lif_index = cpu_to_le16(lif_index), .q_init.type = q->type, + .q_init.ver = qcq->q.lif->qtype_info[q->type].version, .q_init.index = cpu_to_le32(q->index), .q_init.flags = cpu_to_le16(IONIC_QINIT_F_IRQ | IONIC_QINIT_F_ENA), diff --git a/drivers/net/ethernet/pensando/ionic/ionic_dev.h b/drivers/net/ethernet/pensando/ionic/ionic_dev.h index 587398b01997..33519a8765eb 100644 --- a/drivers/net/ethernet/pensando/ionic/ionic_dev.h +++ b/drivers/net/ethernet/pensando/ionic/ionic_dev.h @@ -12,7 +12,8 @@ #define IONIC_MIN_MTU ETH_MIN_MTU #define IONIC_MAX_MTU 9194 -#define IONIC_MAX_TXRX_DESC 16384 +#define IONIC_MAX_TX_DESC 8192 +#define IONIC_MAX_RX_DESC 16384 #define IONIC_MIN_TXRX_DESC 16 #define IONIC_DEF_TXRX_DESC 4096 #define IONIC_LIFS_MAX 1024 @@ -83,6 +84,8 @@ static_assert(sizeof(struct ionic_q_init_cmd) == 64); static_assert(sizeof(struct ionic_q_init_comp) == 16); static_assert(sizeof(struct ionic_q_control_cmd) == 64); static_assert(sizeof(ionic_q_control_comp) == 16); +static_assert(sizeof(struct ionic_q_identify_cmd) == 64); +static_assert(sizeof(struct ionic_q_identify_comp) == 16); static_assert(sizeof(struct ionic_rx_mode_set_cmd) == 64); static_assert(sizeof(ionic_rx_mode_set_comp) == 16); @@ -283,6 +286,8 @@ void ionic_dev_cmd_port_fec(struct ionic_dev *idev, u8 fec_type); void ionic_dev_cmd_port_pause(struct ionic_dev *idev, u8 pause_type); int ionic_set_vf_config(struct ionic *ionic, int vf, u8 attr, u8 *data); +void ionic_dev_cmd_queue_identify(struct ionic_dev *idev, + u16 lif_type, u8 qtype, u8 qver); void ionic_dev_cmd_lif_identify(struct ionic_dev *idev, u8 type, u8 ver); void ionic_dev_cmd_lif_init(struct ionic_dev *idev, u16 lif_index, dma_addr_t addr); diff --git a/drivers/net/ethernet/pensando/ionic/ionic_ethtool.c b/drivers/net/ethernet/pensando/ionic/ionic_ethtool.c index 6996229facfd..3f9a73aaef61 100644 --- a/drivers/net/ethernet/pensando/ionic/ionic_ethtool.c +++ b/drivers/net/ethernet/pensando/ionic/ionic_ethtool.c @@ -458,9 +458,9 @@ static void ionic_get_ringparam(struct net_device *netdev, { struct ionic_lif *lif = netdev_priv(netdev); - ring->tx_max_pending = IONIC_MAX_TXRX_DESC; + ring->tx_max_pending = IONIC_MAX_TX_DESC; ring->tx_pending = lif->ntxq_descs; - ring->rx_max_pending = IONIC_MAX_TXRX_DESC; + ring->rx_max_pending = IONIC_MAX_RX_DESC; ring->rx_pending = lif->nrxq_descs; } diff --git a/drivers/net/ethernet/pensando/ionic/ionic_if.h b/drivers/net/ethernet/pensando/ionic/ionic_if.h index ceeb7629e7a0..799f3ea599e9 100644 --- a/drivers/net/ethernet/pensando/ionic/ionic_if.h +++ b/drivers/net/ethernet/pensando/ionic/ionic_if.h @@ -40,6 +40,7 @@ enum ionic_cmd_opcode { IONIC_CMD_RX_FILTER_DEL = 32, /* Queue commands */ + IONIC_CMD_Q_IDENTIFY = 39, IONIC_CMD_Q_INIT = 40, IONIC_CMD_Q_CONTROL = 41, @@ -469,6 +470,66 @@ struct ionic_lif_init_comp { u8 rsvd2[12]; }; + /** + * struct ionic_q_identify_cmd - queue identify command + * @opcode: opcode + * @lif_type: LIF type (enum ionic_lif_type) + * @type: Logical queue type (enum ionic_logical_qtype) + * @ver: Highest queue type version that the driver supports + */ +struct ionic_q_identify_cmd { + u8 opcode; + u8 rsvd; + __le16 lif_type; + u8 type; + u8 ver; + u8 rsvd2[58]; +}; + +/** + * struct ionic_q_identify_comp - queue identify command completion + * @status: Status of the command (enum ionic_status_code) + * @comp_index: Index in the descriptor ring for which this is the completion + * @ver: Queue type version that can be used with FW + */ +struct ionic_q_identify_comp { + u8 status; + u8 rsvd; + __le16 comp_index; + u8 ver; + u8 rsvd2[11]; +}; + +/** + * union ionic_q_identity - queue identity information + * @version: Queue type version that can be used with FW + * @supported: Bitfield of queue versions, first bit = ver 0 + * @features: Queue features + * @desc_sz: Descriptor size + * @comp_sz: Completion descriptor size + * @sg_desc_sz: Scatter/Gather descriptor size + * @max_sg_elems: Maximum number of Scatter/Gather elements + * @sg_desc_stride: Number of Scatter/Gather elements per descriptor + */ +union ionic_q_identity { + struct { + u8 version; + u8 supported; + u8 rsvd[6]; +#define IONIC_QIDENT_F_CQ 0x01 /* queue has completion ring */ +#define IONIC_QIDENT_F_SG 0x02 /* queue has scatter/gather ring */ +#define IONIC_QIDENT_F_EQ 0x04 /* queue can use event queue */ +#define IONIC_QIDENT_F_CMB 0x08 /* queue is in cmb bar */ + __le64 features; + __le16 desc_sz; + __le16 comp_sz; + __le16 sg_desc_sz; + __le16 max_sg_elems; + __le16 sg_desc_stride; + }; + __le32 words[478]; +}; + /** * struct ionic_q_init_cmd - Queue init command * @opcode: opcode @@ -733,20 +794,31 @@ static inline void decode_txq_desc_cmd(u64 cmd, u8 *opcode, u8 *flags, *addr = (cmd >> IONIC_TXQ_DESC_ADDR_SHIFT) & IONIC_TXQ_DESC_ADDR_MASK; }; -#define IONIC_TX_MAX_SG_ELEMS 8 -#define IONIC_RX_MAX_SG_ELEMS 8 - /** - * struct ionic_txq_sg_desc - Transmit scatter-gather (SG) list + * struct ionic_txq_sg_elem - Transmit scatter-gather (SG) descriptor element * @addr: DMA address of SG element data buffer * @len: Length of SG element data buffer, in bytes */ +struct ionic_txq_sg_elem { + __le64 addr; + __le16 len; + __le16 rsvd[3]; +}; + +/** + * struct ionic_txq_sg_desc - Transmit scatter-gather (SG) list + * @elems: Scatter-gather elements + */ struct ionic_txq_sg_desc { - struct ionic_txq_sg_elem { - __le64 addr; - __le16 len; - __le16 rsvd[3]; - } elems[IONIC_TX_MAX_SG_ELEMS]; +#define IONIC_TX_MAX_SG_ELEMS 8 +#define IONIC_TX_SG_DESC_STRIDE 8 + struct ionic_txq_sg_elem elems[IONIC_TX_MAX_SG_ELEMS]; +}; + +struct ionic_txq_sg_desc_v1 { +#define IONIC_TX_MAX_SG_ELEMS_V1 15 +#define IONIC_TX_SG_DESC_STRIDE_V1 16 + struct ionic_txq_sg_elem elems[IONIC_TX_SG_DESC_STRIDE_V1]; }; /** @@ -791,16 +863,24 @@ struct ionic_rxq_desc { }; /** - * struct ionic_rxq_sg_desc - Receive scatter-gather (SG) list + * struct ionic_rxq_sg_desc - Receive scatter-gather (SG) descriptor element * @addr: DMA address of SG element data buffer * @len: Length of SG element data buffer, in bytes */ +struct ionic_rxq_sg_elem { + __le64 addr; + __le16 len; + __le16 rsvd[3]; +}; + +/** + * struct ionic_rxq_sg_desc - Receive scatter-gather (SG) list + * @elems: Scatter-gather elements + */ struct ionic_rxq_sg_desc { - struct ionic_rxq_sg_elem { - __le64 addr; - __le16 len; - __le16 rsvd[3]; - } elems[IONIC_RX_MAX_SG_ELEMS]; +#define IONIC_RX_MAX_SG_ELEMS 8 +#define IONIC_RX_SG_DESC_STRIDE 8 + struct ionic_rxq_sg_elem elems[IONIC_RX_SG_DESC_STRIDE]; }; /** @@ -2389,6 +2469,7 @@ union ionic_dev_cmd { struct ionic_qos_init_cmd qos_init; struct ionic_qos_reset_cmd qos_reset; + struct ionic_q_identify_cmd q_identify; struct ionic_q_init_cmd q_init; }; @@ -2421,6 +2502,7 @@ union ionic_dev_cmd_comp { ionic_qos_init_comp qos_init; ionic_qos_reset_comp qos_reset; + struct ionic_q_identify_comp q_identify; struct ionic_q_init_comp q_init; }; diff --git a/drivers/net/ethernet/pensando/ionic/ionic_lif.c b/drivers/net/ethernet/pensando/ionic/ionic_lif.c index d5293bfded29..0049f537ee40 100644 --- a/drivers/net/ethernet/pensando/ionic/ionic_lif.c +++ b/drivers/net/ethernet/pensando/ionic/ionic_lif.c @@ -17,6 +17,16 @@ #include "ionic_ethtool.h" #include "ionic_debugfs.h" +/* queuetype support level */ +static const u8 ionic_qtype_versions[IONIC_QTYPE_MAX] = { + [IONIC_QTYPE_ADMINQ] = 0, /* 0 = Base version with CQ support */ + [IONIC_QTYPE_NOTIFYQ] = 0, /* 0 = Base version */ + [IONIC_QTYPE_RXQ] = 0, /* 0 = Base version with CQ+SG support */ + [IONIC_QTYPE_TXQ] = 1, /* 0 = Base version with CQ+SG support + * 1 = ... with Tx SG version 1 + */ +}; + static void ionic_lif_rx_mode(struct ionic_lif *lif, unsigned int rx_mode); static int ionic_lif_addr_add(struct ionic_lif *lif, const u8 *addr); static int ionic_lif_addr_del(struct ionic_lif *lif, const u8 *addr); @@ -27,6 +37,7 @@ static void ionic_lif_set_netdev_info(struct ionic_lif *lif); static int ionic_start_queues(struct ionic_lif *lif); static void ionic_stop_queues(struct ionic_lif *lif); +static void ionic_lif_queue_identify(struct ionic_lif *lif); static void ionic_lif_deferred_work(struct work_struct *work) { @@ -597,6 +608,7 @@ static int ionic_lif_txq_init(struct ionic_lif *lif, struct ionic_qcq *qcq) .opcode = IONIC_CMD_Q_INIT, .lif_index = cpu_to_le16(lif->index), .type = q->type, + .ver = lif->qtype_info[q->type].version, .index = cpu_to_le32(q->index), .flags = cpu_to_le16(IONIC_QINIT_F_IRQ | IONIC_QINIT_F_SG), @@ -614,6 +626,8 @@ static int ionic_lif_txq_init(struct ionic_lif *lif, struct ionic_qcq *qcq) dev_dbg(dev, "txq_init.index %d\n", ctx.cmd.q_init.index); dev_dbg(dev, "txq_init.ring_base 0x%llx\n", ctx.cmd.q_init.ring_base); dev_dbg(dev, "txq_init.ring_size %d\n", ctx.cmd.q_init.ring_size); + dev_dbg(dev, "txq_init.flags 0x%x\n", ctx.cmd.q_init.flags); + dev_dbg(dev, "txq_init.ver %d\n", ctx.cmd.q_init.ver); q->tail = q->info; q->head = q->tail; @@ -646,6 +660,7 @@ static int ionic_lif_rxq_init(struct ionic_lif *lif, struct ionic_qcq *qcq) .opcode = IONIC_CMD_Q_INIT, .lif_index = cpu_to_le16(lif->index), .type = q->type, + .ver = lif->qtype_info[q->type].version, .index = cpu_to_le32(q->index), .flags = cpu_to_le16(IONIC_QINIT_F_IRQ | IONIC_QINIT_F_SG), @@ -663,6 +678,8 @@ static int ionic_lif_rxq_init(struct ionic_lif *lif, struct ionic_qcq *qcq) dev_dbg(dev, "rxq_init.index %d\n", ctx.cmd.q_init.index); dev_dbg(dev, "rxq_init.ring_base 0x%llx\n", ctx.cmd.q_init.ring_base); dev_dbg(dev, "rxq_init.ring_size %d\n", ctx.cmd.q_init.ring_size); + dev_dbg(dev, "rxq_init.flags 0x%x\n", ctx.cmd.q_init.flags); + dev_dbg(dev, "rxq_init.ver %d\n", ctx.cmd.q_init.ver); q->tail = q->info; q->head = q->tail; @@ -726,7 +743,7 @@ static bool ionic_notifyq_service(struct ionic_cq *cq, } break; default: - netdev_warn(netdev, "Notifyq unknown event ecode=%d eid=%lld\n", + netdev_warn(netdev, "Notifyq event ecode=%d eid=%lld\n", comp->event.ecode, eid); break; } @@ -1509,17 +1526,25 @@ static void ionic_txrx_free(struct ionic_lif *lif) static int ionic_txrx_alloc(struct ionic_lif *lif) { + unsigned int sg_desc_sz; unsigned int flags; unsigned int i; int err = 0; + if (lif->qtype_info[IONIC_QTYPE_TXQ].version >= 1 && + lif->qtype_info[IONIC_QTYPE_TXQ].sg_desc_sz == + sizeof(struct ionic_txq_sg_desc_v1)) + sg_desc_sz = sizeof(struct ionic_txq_sg_desc_v1); + else + sg_desc_sz = sizeof(struct ionic_txq_sg_desc); + flags = IONIC_QCQ_F_TX_STATS | IONIC_QCQ_F_SG; for (i = 0; i < lif->nxqs; i++) { err = ionic_qcq_alloc(lif, IONIC_QTYPE_TXQ, i, "tx", flags, lif->ntxq_descs, sizeof(struct ionic_txq_desc), sizeof(struct ionic_txq_comp), - sizeof(struct ionic_txq_sg_desc), + sg_desc_sz, lif->kern_pid, &lif->txqcqs[i].qcq); if (err) goto err_out; @@ -2065,9 +2090,17 @@ int ionic_lifs_alloc(struct ionic *ionic) /* only build the first lif, others are for later features */ set_bit(0, ionic->lifbits); + lif = ionic_lif_alloc(ionic, 0); + if (IS_ERR_OR_NULL(lif)) { + clear_bit(0, ionic->lifbits); + return -ENOMEM; + } + + lif->lif_type = IONIC_LIF_TYPE_CLASSIC; + ionic_lif_queue_identify(lif); - return PTR_ERR_OR_ZERO(lif); + return 0; } static void ionic_lif_reset(struct ionic_lif *lif) @@ -2291,6 +2324,7 @@ static int ionic_lif_notifyq_init(struct ionic_lif *lif) .opcode = IONIC_CMD_Q_INIT, .lif_index = cpu_to_le16(lif->index), .type = q->type, + .ver = lif->qtype_info[q->type].version, .index = cpu_to_le32(q->index), .flags = cpu_to_le16(IONIC_QINIT_F_IRQ | IONIC_QINIT_F_ENA), @@ -2573,6 +2607,80 @@ void ionic_lifs_unregister(struct ionic *ionic) unregister_netdev(ionic->master_lif->netdev); } +static void ionic_lif_queue_identify(struct ionic_lif *lif) +{ + struct ionic *ionic = lif->ionic; + union ionic_q_identity *q_ident; + struct ionic_dev *idev; + int qtype; + int err; + + idev = &lif->ionic->idev; + q_ident = (union ionic_q_identity *)&idev->dev_cmd_regs->data; + + for (qtype = 0; qtype < ARRAY_SIZE(ionic_qtype_versions); qtype++) { + struct ionic_qtype_info *qti = &lif->qtype_info[qtype]; + + /* filter out the ones we know about */ + switch (qtype) { + case IONIC_QTYPE_ADMINQ: + case IONIC_QTYPE_NOTIFYQ: + case IONIC_QTYPE_RXQ: + case IONIC_QTYPE_TXQ: + break; + default: + continue; + } + + memset(qti, 0, sizeof(*qti)); + + mutex_lock(&ionic->dev_cmd_lock); + ionic_dev_cmd_queue_identify(idev, lif->lif_type, qtype, + ionic_qtype_versions[qtype]); + err = ionic_dev_cmd_wait(ionic, DEVCMD_TIMEOUT); + if (!err) { + qti->version = q_ident->version; + qti->supported = q_ident->supported; + qti->features = le64_to_cpu(q_ident->features); + qti->desc_sz = le16_to_cpu(q_ident->desc_sz); + qti->comp_sz = le16_to_cpu(q_ident->comp_sz); + qti->sg_desc_sz = le16_to_cpu(q_ident->sg_desc_sz); + qti->max_sg_elems = le16_to_cpu(q_ident->max_sg_elems); + qti->sg_desc_stride = le16_to_cpu(q_ident->sg_desc_stride); + } + mutex_unlock(&ionic->dev_cmd_lock); + + if (err == -EINVAL) { + dev_err(ionic->dev, "qtype %d not supported\n", qtype); + continue; + } else if (err == -EIO) { + dev_err(ionic->dev, "q_ident failed, not supported on older FW\n"); + return; + } else if (err) { + dev_err(ionic->dev, "q_ident failed, qtype %d: %d\n", + qtype, err); + return; + } + + dev_dbg(ionic->dev, " qtype[%d].version = %d\n", + qtype, qti->version); + dev_dbg(ionic->dev, " qtype[%d].supported = 0x%02x\n", + qtype, qti->supported); + dev_dbg(ionic->dev, " qtype[%d].features = 0x%04llx\n", + qtype, qti->features); + dev_dbg(ionic->dev, " qtype[%d].desc_sz = %d\n", + qtype, qti->desc_sz); + dev_dbg(ionic->dev, " qtype[%d].comp_sz = %d\n", + qtype, qti->comp_sz); + dev_dbg(ionic->dev, " qtype[%d].sg_desc_sz = %d\n", + qtype, qti->sg_desc_sz); + dev_dbg(ionic->dev, " qtype[%d].max_sg_elems = %d\n", + qtype, qti->max_sg_elems); + dev_dbg(ionic->dev, " qtype[%d].sg_desc_stride = %d\n", + qtype, qti->sg_desc_stride); + } +} + int ionic_lif_identify(struct ionic *ionic, u8 lif_type, union ionic_lif_identity *lid) { diff --git a/drivers/net/ethernet/pensando/ionic/ionic_lif.h b/drivers/net/ethernet/pensando/ionic/ionic_lif.h index 5d4ffda5c05f..1a30f0fb20b9 100644 --- a/drivers/net/ethernet/pensando/ionic/ionic_lif.h +++ b/drivers/net/ethernet/pensando/ionic/ionic_lif.h @@ -133,6 +133,17 @@ enum ionic_lif_state_flags { IONIC_LIF_F_STATE_SIZE }; +struct ionic_qtype_info { + u8 version; + u8 supported; + u64 features; + u16 desc_sz; + u16 comp_sz; + u16 sg_desc_sz; + u16 max_sg_elems; + u16 sg_desc_stride; +}; + #define IONIC_LIF_NAME_MAX_SZ 32 struct ionic_lif { char name[IONIC_LIF_NAME_MAX_SZ]; @@ -161,11 +172,13 @@ struct ionic_lif { bool mc_overflow; unsigned int nmcast; bool uc_overflow; + u16 lif_type; unsigned int nucast; struct ionic_lif_info *info; dma_addr_t info_pa; u32 info_sz; + struct ionic_qtype_info qtype_info[IONIC_QTYPE_MAX]; u16 rss_types; u8 rss_hash_key[IONIC_RSS_HASH_KEY_SIZE]; diff --git a/drivers/net/ethernet/pensando/ionic/ionic_main.c b/drivers/net/ethernet/pensando/ionic/ionic_main.c index 3ed150512091..8e2436d14621 100644 --- a/drivers/net/ethernet/pensando/ionic/ionic_main.c +++ b/drivers/net/ethernet/pensando/ionic/ionic_main.c @@ -152,6 +152,8 @@ static const char *ionic_opcode_to_str(enum ionic_cmd_opcode opcode) return "IONIC_CMD_RX_FILTER_ADD"; case IONIC_CMD_RX_FILTER_DEL: return "IONIC_CMD_RX_FILTER_DEL"; + case IONIC_CMD_Q_IDENTIFY: + return "IONIC_CMD_Q_IDENTIFY"; case IONIC_CMD_Q_INIT: return "IONIC_CMD_Q_INIT"; case IONIC_CMD_Q_CONTROL: diff --git a/drivers/net/ethernet/pensando/ionic/ionic_txrx.c b/drivers/net/ethernet/pensando/ionic/ionic_txrx.c index d233b6e77b1e..6b14e55a6780 100644 --- a/drivers/net/ethernet/pensando/ionic/ionic_txrx.c +++ b/drivers/net/ethernet/pensando/ionic/ionic_txrx.c @@ -10,8 +10,10 @@ #include "ionic_lif.h" #include "ionic_txrx.h" -static void ionic_rx_clean(struct ionic_queue *q, struct ionic_desc_info *desc_info, - struct ionic_cq_info *cq_info, void *cb_arg); +static void ionic_rx_clean(struct ionic_queue *q, + struct ionic_desc_info *desc_info, + struct ionic_cq_info *cq_info, + void *cb_arg); static inline void ionic_txq_post(struct ionic_queue *q, bool ring_dbell, ionic_desc_cb cb_func, void *cb_arg) @@ -140,8 +142,10 @@ static struct sk_buff *ionic_rx_copybreak(struct ionic_queue *q, return skb; } -static void ionic_rx_clean(struct ionic_queue *q, struct ionic_desc_info *desc_info, - struct ionic_cq_info *cq_info, void *cb_arg) +static void ionic_rx_clean(struct ionic_queue *q, + struct ionic_desc_info *desc_info, + struct ionic_cq_info *cq_info, + void *cb_arg) { struct ionic_rxq_comp *comp = cq_info->cq_desc; struct ionic_qcq *qcq = q_to_qcq(q); @@ -475,7 +479,8 @@ int ionic_rx_napi(struct napi_struct *napi, int budget) return work_done; } -static dma_addr_t ionic_tx_map_single(struct ionic_queue *q, void *data, size_t len) +static dma_addr_t ionic_tx_map_single(struct ionic_queue *q, + void *data, size_t len) { struct ionic_tx_stats *stats = q_to_tx_stats(q); struct device *dev = q->lif->ionic->dev; @@ -491,7 +496,8 @@ static dma_addr_t ionic_tx_map_single(struct ionic_queue *q, void *data, size_t return dma_addr; } -static dma_addr_t ionic_tx_map_frag(struct ionic_queue *q, const skb_frag_t *frag, +static dma_addr_t ionic_tx_map_frag(struct ionic_queue *q, + const skb_frag_t *frag, size_t offset, size_t len) { struct ionic_tx_stats *stats = q_to_tx_stats(q); @@ -507,8 +513,10 @@ static dma_addr_t ionic_tx_map_frag(struct ionic_queue *q, const skb_frag_t *fra return dma_addr; } -static void ionic_tx_clean(struct ionic_queue *q, struct ionic_desc_info *desc_info, - struct ionic_cq_info *cq_info, void *cb_arg) +static void ionic_tx_clean(struct ionic_queue *q, + struct ionic_desc_info *desc_info, + struct ionic_cq_info *cq_info, + void *cb_arg) { struct ionic_txq_sg_desc *sg_desc = desc_info->sg_desc; struct ionic_txq_sg_elem *elem = sg_desc->elems; @@ -989,6 +997,7 @@ static int ionic_tx(struct ionic_queue *q, struct sk_buff *skb) static int ionic_tx_descs_needed(struct ionic_queue *q, struct sk_buff *skb) { + int sg_elems = q->lif->qtype_info[IONIC_QTYPE_TXQ].max_sg_elems; struct ionic_tx_stats *stats = q_to_tx_stats(q); int err; @@ -997,7 +1006,7 @@ static int ionic_tx_descs_needed(struct ionic_queue *q, struct sk_buff *skb) return (skb->len / skb_shinfo(skb)->gso_size) + 1; /* If non-TSO, just need 1 desc and nr_frags sg elems */ - if (skb_shinfo(skb)->nr_frags <= IONIC_TX_MAX_SG_ELEMS) + if (skb_shinfo(skb)->nr_frags <= sg_elems) return 1; /* Too many frags, so linearize */ |