diff options
Diffstat (limited to 'drivers/net/ethernet/chelsio/cxgb4')
-rw-r--r-- | drivers/net/ethernet/chelsio/cxgb4/cxgb4.h | 2 | ||||
-rw-r--r-- | drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c | 6 | ||||
-rw-r--r-- | drivers/net/ethernet/chelsio/cxgb4/sge.c | 25 | ||||
-rw-r--r-- | drivers/net/ethernet/chelsio/cxgb4/t4_hw.c | 17 | ||||
-rw-r--r-- | drivers/net/ethernet/chelsio/cxgb4/t4_msg.h | 1 | ||||
-rw-r--r-- | drivers/net/ethernet/chelsio/cxgb4/t4_regs.h | 5 |
6 files changed, 32 insertions, 24 deletions
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h b/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h index 9b2c669b6522..410ed5805a9a 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h @@ -968,7 +968,7 @@ void t4_intr_enable(struct adapter *adapter); void t4_intr_disable(struct adapter *adapter); int t4_slow_intr_handler(struct adapter *adapter); -int t4_wait_dev_ready(struct adapter *adap); +int t4_wait_dev_ready(void __iomem *regs); int t4_link_start(struct adapter *adap, unsigned int mbox, unsigned int port, struct link_config *lc); int t4_restart_aneg(struct adapter *adap, unsigned int mbox, unsigned int port); diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c index 321f3d9385c9..5b38e955af6e 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c @@ -6137,7 +6137,7 @@ static pci_ers_result_t eeh_slot_reset(struct pci_dev *pdev) pci_save_state(pdev); pci_cleanup_aer_uncorrect_error_status(pdev); - if (t4_wait_dev_ready(adap) < 0) + if (t4_wait_dev_ready(adap->regs) < 0) return PCI_ERS_RESULT_DISCONNECT; if (t4_fw_hello(adap, adap->fn, adap->fn, MASTER_MUST, NULL) < 0) return PCI_ERS_RESULT_DISCONNECT; @@ -6530,6 +6530,10 @@ static int init_one(struct pci_dev *pdev, const struct pci_device_id *ent) goto out_disable_device; } + err = t4_wait_dev_ready(regs); + if (err < 0) + goto out_unmap_bar0; + /* We control everything through one PF */ func = SOURCEPF_GET(readl(regs + PL_WHOAMI)); if (func != ent->driver_data) { diff --git a/drivers/net/ethernet/chelsio/cxgb4/sge.c b/drivers/net/ethernet/chelsio/cxgb4/sge.c index bb7851e0b4c6..5e1b314e11af 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/sge.c +++ b/drivers/net/ethernet/chelsio/cxgb4/sge.c @@ -850,13 +850,14 @@ static void write_sgl(const struct sk_buff *skb, struct sge_txq *q, *end = 0; } -/* This function copies 64 byte coalesced work request to - * memory mapped BAR2 space(user space writes). - * For coalesced WR SGE, fetches data from the FIFO instead of from Host. +/* This function copies a tx_desc struct to memory mapped BAR2 space(user space + * writes). For coalesced WR SGE, fetches data from the FIFO instead of from + * Host. */ -static void cxgb_pio_copy(u64 __iomem *dst, u64 *src) +static void cxgb_pio_copy(u64 __iomem *dst, struct tx_desc *desc) { - int count = 8; + int count = sizeof(*desc) / sizeof(u64); + u64 *src = (u64 *)desc; while (count) { writeq(*src, dst); @@ -914,12 +915,9 @@ static inline void ring_tx_db(struct adapter *adap, struct sge_txq *q, int n) int index = (q->pidx ? (q->pidx - 1) : (q->size - 1)); - unsigned int *wr = (unsigned int *)&q->desc[index]; - cxgb_pio_copy((u64 __iomem *) - (adap->bar2 + q->udb + - SGE_UDB_WCDOORBELL), - (u64 *)wr); + cxgb_pio_copy(adap->bar2 + q->udb + SGE_UDB_WCDOORBELL, + q->desc + index); } else { writel(val, adap->bar2 + q->udb + SGE_UDB_KDOORBELL); } @@ -1125,7 +1123,10 @@ out_free: dev_kfree_skb_any(skb); lso->c.ipid_ofst = htons(0); lso->c.mss = htons(ssi->gso_size); lso->c.seqno_offset = htonl(0); - lso->c.len = htonl(skb->len); + if (is_t4(adap->params.chip)) + lso->c.len = htonl(skb->len); + else + lso->c.len = htonl(LSO_T5_XFER_SIZE(skb->len)); cpl = (void *)(lso + 1); cntrl = TXPKT_CSUM_TYPE(v6 ? TX_CSUM_TCPIP6 : TX_CSUM_TCPIP) | TXPKT_IPHDR_LEN(l3hdr_len) | @@ -2258,7 +2259,7 @@ static u64 udb_address(struct adapter *adap, unsigned int cntxt_id, (QUEUESPERPAGEPF1 - QUEUESPERPAGEPF0) * adap->fn); udb_density = 1 << ((qpp >> s_qpp) & QUEUESPERPAGEPF0_MASK); qpshift = PAGE_SHIFT - ilog2(udb_density); - udb = cntxt_id << qpshift; + udb = (u64)cntxt_id << qpshift; udb &= PAGE_MASK; page = udb / PAGE_SIZE; udb += (cntxt_id - (page * udb_density)) * SGE_UDB_SIZE; diff --git a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c index 22d7581341a9..1fff1495fe31 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c +++ b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c @@ -3845,12 +3845,19 @@ static void init_link_config(struct link_config *lc, unsigned int caps) } } -int t4_wait_dev_ready(struct adapter *adap) +#define CIM_PF_NOACCESS 0xeeeeeeee + +int t4_wait_dev_ready(void __iomem *regs) { - if (t4_read_reg(adap, PL_WHOAMI) != 0xffffffff) + u32 whoami; + + whoami = readl(regs + PL_WHOAMI); + if (whoami != 0xffffffff && whoami != CIM_PF_NOACCESS) return 0; + msleep(500); - return t4_read_reg(adap, PL_WHOAMI) != 0xffffffff ? 0 : -EIO; + whoami = readl(regs + PL_WHOAMI); + return (whoami != 0xffffffff && whoami != CIM_PF_NOACCESS ? 0 : -EIO); } struct flash_desc { @@ -3919,10 +3926,6 @@ int t4_prep_adapter(struct adapter *adapter) uint16_t device_id; u32 pl_rev; - ret = t4_wait_dev_ready(adapter); - if (ret < 0) - return ret; - get_pci_mode(adapter, &adapter->params.pci); pl_rev = G_REV(t4_read_reg(adapter, PL_REV)); diff --git a/drivers/net/ethernet/chelsio/cxgb4/t4_msg.h b/drivers/net/ethernet/chelsio/cxgb4/t4_msg.h index 52e08103f221..5f4db2398c71 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/t4_msg.h +++ b/drivers/net/ethernet/chelsio/cxgb4/t4_msg.h @@ -527,6 +527,7 @@ struct cpl_tx_pkt_lso_core { #define LSO_LAST_SLICE (1 << 22) #define LSO_FIRST_SLICE (1 << 23) #define LSO_OPCODE(x) ((x) << 24) +#define LSO_T5_XFER_SIZE(x) ((x) << 0) __be16 ipid_ofst; __be16 mss; __be32 seqno_offset; diff --git a/drivers/net/ethernet/chelsio/cxgb4/t4_regs.h b/drivers/net/ethernet/chelsio/cxgb4/t4_regs.h index eee272883027..a1024db5dc13 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/t4_regs.h +++ b/drivers/net/ethernet/chelsio/cxgb4/t4_regs.h @@ -72,9 +72,8 @@ #define PIDX_MASK 0x00003fffU #define PIDX_SHIFT 0 #define PIDX(x) ((x) << PIDX_SHIFT) -#define S_PIDX_T5 0 -#define M_PIDX_T5 0x1fffU -#define PIDX_T5(x) (((x) >> S_PIDX_T5) & M_PIDX_T5) +#define PIDX_SHIFT_T5 0 +#define PIDX_T5(x) ((x) << PIDX_SHIFT_T5) #define SGE_TIMERREGS 6 |