diff options
Diffstat (limited to 'drivers/net/ethernet/qlogic/qlcnic/qlcnic_hw.c')
| -rw-r--r-- | drivers/net/ethernet/qlogic/qlcnic/qlcnic_hw.c | 1787 |
1 files changed, 1787 insertions, 0 deletions
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_hw.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_hw.c new file mode 100644 index 000000000000..74e9d7b94965 --- /dev/null +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_hw.c @@ -0,0 +1,1787 @@ +/* + * QLogic qlcnic NIC Driver + * Copyright (c) 2009-2010 QLogic Corporation + * + * See LICENSE.qlcnic for copyright and licensing details. + */ + +#include "qlcnic.h" + +#include <linux/slab.h> +#include <net/ip.h> +#include <linux/bitops.h> + +#define MASK(n) ((1ULL<<(n))-1) +#define OCM_WIN_P3P(addr) (addr & 0xffc0000) + +#define GET_MEM_OFFS_2M(addr) (addr & MASK(18)) + +#define CRB_BLK(off) ((off >> 20) & 0x3f) +#define CRB_SUBBLK(off) ((off >> 16) & 0xf) +#define CRB_WINDOW_2M (0x130060) +#define CRB_HI(off) ((crb_hub_agt[CRB_BLK(off)] << 20) | ((off) & 0xf0000)) +#define CRB_INDIRECT_2M (0x1e0000UL) + + +#ifndef readq +static inline u64 readq(void __iomem *addr) +{ + return readl(addr) | (((u64) readl(addr + 4)) << 32LL); +} +#endif + +#ifndef writeq +static inline void writeq(u64 val, void __iomem *addr) +{ + writel(((u32) (val)), (addr)); + writel(((u32) (val >> 32)), (addr + 4)); +} +#endif + +static const struct crb_128M_2M_block_map +crb_128M_2M_map[64] __cacheline_aligned_in_smp = { + {{{0, 0, 0, 0} } }, /* 0: PCI */ + {{{1, 0x0100000, 0x0102000, 0x120000}, /* 1: PCIE */ + {1, 0x0110000, 0x0120000, 0x130000}, + {1, 0x0120000, 0x0122000, 0x124000}, + {1, 0x0130000, 0x0132000, 0x126000}, + {1, 0x0140000, 0x0142000, 0x128000}, + {1, 0x0150000, 0x0152000, 0x12a000}, + {1, 0x0160000, 0x0170000, 0x110000}, + {1, 0x0170000, 0x0172000, 0x12e000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {1, 0x01e0000, 0x01e0800, 0x122000}, + {0, 0x0000000, 0x0000000, 0x000000} } }, + {{{1, 0x0200000, 0x0210000, 0x180000} } },/* 2: MN */ + {{{0, 0, 0, 0} } }, /* 3: */ + {{{1, 0x0400000, 0x0401000, 0x169000} } },/* 4: P2NR1 */ + {{{1, 0x0500000, 0x0510000, 0x140000} } },/* 5: SRE */ + {{{1, 0x0600000, 0x0610000, 0x1c0000} } },/* 6: NIU */ + {{{1, 0x0700000, 0x0704000, 0x1b8000} } },/* 7: QM */ + {{{1, 0x0800000, 0x0802000, 0x170000}, /* 8: SQM0 */ + {0, 0x0000000, 0x0000000, 0x000000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {1, 0x08f0000, 0x08f2000, 0x172000} } }, + {{{1, 0x0900000, 0x0902000, 0x174000}, /* 9: SQM1*/ + {0, 0x0000000, 0x0000000, 0x000000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {1, 0x09f0000, 0x09f2000, 0x176000} } }, + {{{0, 0x0a00000, 0x0a02000, 0x178000}, /* 10: SQM2*/ + {0, 0x0000000, 0x0000000, 0x000000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {1, 0x0af0000, 0x0af2000, 0x17a000} } }, + {{{0, 0x0b00000, 0x0b02000, 0x17c000}, /* 11: SQM3*/ + {0, 0x0000000, 0x0000000, 0x000000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {1, 0x0bf0000, 0x0bf2000, 0x17e000} } }, + {{{1, 0x0c00000, 0x0c04000, 0x1d4000} } },/* 12: I2Q */ + {{{1, 0x0d00000, 0x0d04000, 0x1a4000} } },/* 13: TMR */ + {{{1, 0x0e00000, 0x0e04000, 0x1a0000} } },/* 14: ROMUSB */ + {{{1, 0x0f00000, 0x0f01000, 0x164000} } },/* 15: PEG4 */ + {{{0, 0x1000000, 0x1004000, 0x1a8000} } },/* 16: XDMA */ + {{{1, 0x1100000, 0x1101000, 0x160000} } },/* 17: PEG0 */ + {{{1, 0x1200000, 0x1201000, 0x161000} } },/* 18: PEG1 */ + {{{1, 0x1300000, 0x1301000, 0x162000} } },/* 19: PEG2 */ + {{{1, 0x1400000, 0x1401000, 0x163000} } },/* 20: PEG3 */ + {{{1, 0x1500000, 0x1501000, 0x165000} } },/* 21: P2ND */ + {{{1, 0x1600000, 0x1601000, 0x166000} } },/* 22: P2NI */ + {{{0, 0, 0, 0} } }, /* 23: */ + {{{0, 0, 0, 0} } }, /* 24: */ + {{{0, 0, 0, 0} } }, /* 25: */ + {{{0, 0, 0, 0} } }, /* 26: */ + {{{0, 0, 0, 0} } }, /* 27: */ + {{{0, 0, 0, 0} } }, /* 28: */ + {{{1, 0x1d00000, 0x1d10000, 0x190000} } },/* 29: MS */ + {{{1, 0x1e00000, 0x1e01000, 0x16a000} } },/* 30: P2NR2 */ + {{{1, 0x1f00000, 0x1f10000, 0x150000} } },/* 31: EPG */ + {{{0} } }, /* 32: PCI */ + {{{1, 0x2100000, 0x2102000, 0x120000}, /* 33: PCIE */ + {1, 0x2110000, 0x2120000, 0x130000}, + {1, 0x2120000, 0x2122000, 0x124000}, + {1, 0x2130000, 0x2132000, 0x126000}, + {1, 0x2140000, 0x2142000, 0x128000}, + {1, 0x2150000, 0x2152000, 0x12a000}, + {1, 0x2160000, 0x2170000, 0x110000}, + {1, 0x2170000, 0x2172000, 0x12e000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {0, 0x0000000, 0x0000000, 0x000000} } }, + {{{1, 0x2200000, 0x2204000, 0x1b0000} } },/* 34: CAM */ + {{{0} } }, /* 35: */ + {{{0} } }, /* 36: */ + {{{0} } }, /* 37: */ + {{{0} } }, /* 38: */ + {{{0} } }, /* 39: */ + {{{1, 0x2800000, 0x2804000, 0x1a4000} } },/* 40: TMR */ + {{{1, 0x2900000, 0x2901000, 0x16b000} } },/* 41: P2NR3 */ + {{{1, 0x2a00000, 0x2a00400, 0x1ac400} } },/* 42: RPMX1 */ + {{{1, 0x2b00000, 0x2b00400, 0x1ac800} } },/* 43: RPMX2 */ + {{{1, 0x2c00000, 0x2c00400, 0x1acc00} } },/* 44: RPMX3 */ + {{{1, 0x2d00000, 0x2d00400, 0x1ad000} } },/* 45: RPMX4 */ + {{{1, 0x2e00000, 0x2e00400, 0x1ad400} } },/* 46: RPMX5 */ + {{{1, 0x2f00000, 0x2f00400, 0x1ad800} } },/* 47: RPMX6 */ + {{{1, 0x3000000, 0x3000400, 0x1adc00} } },/* 48: RPMX7 */ + {{{0, 0x3100000, 0x3104000, 0x1a8000} } },/* 49: XDMA */ + {{{1, 0x3200000, 0x3204000, 0x1d4000} } },/* 50: I2Q */ + {{{1, 0x3300000, 0x3304000, 0x1a0000} } },/* 51: ROMUSB */ + {{{0} } }, /* 52: */ + {{{1, 0x3500000, 0x3500400, 0x1ac000} } },/* 53: RPMX0 */ + {{{1, 0x3600000, 0x3600400, 0x1ae000} } },/* 54: RPMX8 */ + {{{1, 0x3700000, 0x3700400, 0x1ae400} } },/* 55: RPMX9 */ + {{{1, 0x3800000, 0x3804000, 0x1d0000} } },/* 56: OCM0 */ + {{{1, 0x3900000, 0x3904000, 0x1b4000} } },/* 57: CRYPTO */ + {{{1, 0x3a00000, 0x3a04000, 0x1d8000} } },/* 58: SMB */ + {{{0} } }, /* 59: I2C0 */ + {{{0} } }, /* 60: I2C1 */ + {{{1, 0x3d00000, 0x3d04000, 0x1d8000} } },/* 61: LPC */ + {{{1, 0x3e00000, 0x3e01000, 0x167000} } },/* 62: P2NC */ + {{{1, 0x3f00000, 0x3f01000, 0x168000} } } /* 63: P2NR0 */ +}; + +/* + * top 12 bits of crb internal address (hub, agent) + */ +static const unsigned crb_hub_agt[64] = { + 0, + QLCNIC_HW_CRB_HUB_AGT_ADR_PS, + QLCNIC_HW_CRB_HUB_AGT_ADR_MN, + QLCNIC_HW_CRB_HUB_AGT_ADR_MS, + 0, + QLCNIC_HW_CRB_HUB_AGT_ADR_SRE, + QLCNIC_HW_CRB_HUB_AGT_ADR_NIU, + QLCNIC_HW_CRB_HUB_AGT_ADR_QMN, + QLCNIC_HW_CRB_HUB_AGT_ADR_SQN0, + QLCNIC_HW_CRB_HUB_AGT_ADR_SQN1, + QLCNIC_HW_CRB_HUB_AGT_ADR_SQN2, + QLCNIC_HW_CRB_HUB_AGT_ADR_SQN3, + QLCNIC_HW_CRB_HUB_AGT_ADR_I2Q, + QLCNIC_HW_CRB_HUB_AGT_ADR_TIMR, + QLCNIC_HW_CRB_HUB_AGT_ADR_ROMUSB, + QLCNIC_HW_CRB_HUB_AGT_ADR_PGN4, + QLCNIC_HW_CRB_HUB_AGT_ADR_XDMA, + QLCNIC_HW_CRB_HUB_AGT_ADR_PGN0, + QLCNIC_HW_CRB_HUB_AGT_ADR_PGN1, + QLCNIC_HW_CRB_HUB_AGT_ADR_PGN2, + QLCNIC_HW_CRB_HUB_AGT_ADR_PGN3, + QLCNIC_HW_CRB_HUB_AGT_ADR_PGND, + QLCNIC_HW_CRB_HUB_AGT_ADR_PGNI, + QLCNIC_HW_CRB_HUB_AGT_ADR_PGS0, + QLCNIC_HW_CRB_HUB_AGT_ADR_PGS1, + QLCNIC_HW_CRB_HUB_AGT_ADR_PGS2, + QLCNIC_HW_CRB_HUB_AGT_ADR_PGS3, + 0, + QLCNIC_HW_CRB_HUB_AGT_ADR_PGSI, + QLCNIC_HW_CRB_HUB_AGT_ADR_SN, + 0, + QLCNIC_HW_CRB_HUB_AGT_ADR_EG, + 0, + QLCNIC_HW_CRB_HUB_AGT_ADR_PS, + QLCNIC_HW_CRB_HUB_AGT_ADR_CAM, + 0, + 0, + 0, + 0, + 0, + QLCNIC_HW_CRB_HUB_AGT_ADR_TIMR, + 0, + QLCNIC_HW_CRB_HUB_AGT_ADR_RPMX1, + QLCNIC_HW_CRB_HUB_AGT_ADR_RPMX2, + QLCNIC_HW_CRB_HUB_AGT_ADR_RPMX3, + QLCNIC_HW_CRB_HUB_AGT_ADR_RPMX4, + QLCNIC_HW_CRB_HUB_AGT_ADR_RPMX5, + QLCNIC_HW_CRB_HUB_AGT_ADR_RPMX6, + QLCNIC_HW_CRB_HUB_AGT_ADR_RPMX7, + QLCNIC_HW_CRB_HUB_AGT_ADR_XDMA, + QLCNIC_HW_CRB_HUB_AGT_ADR_I2Q, + QLCNIC_HW_CRB_HUB_AGT_ADR_ROMUSB, + 0, + QLCNIC_HW_CRB_HUB_AGT_ADR_RPMX0, + QLCNIC_HW_CRB_HUB_AGT_ADR_RPMX8, + QLCNIC_HW_CRB_HUB_AGT_ADR_RPMX9, + QLCNIC_HW_CRB_HUB_AGT_ADR_OCM0, + 0, + QLCNIC_HW_CRB_HUB_AGT_ADR_SMB, + QLCNIC_HW_CRB_HUB_AGT_ADR_I2C0, + QLCNIC_HW_CRB_HUB_AGT_ADR_I2C1, + 0, + QLCNIC_HW_CRB_HUB_AGT_ADR_PGNC, + 0, +}; + +/* PCI Windowing for DDR regions. */ + +#define QLCNIC_PCIE_SEM_TIMEOUT 10000 + +int +qlcnic_pcie_sem_lock(struct qlcnic_adapter *adapter, int sem, u32 id_reg) +{ + int done = 0, timeout = 0; + + while (!done) { + done = QLCRD32(adapter, QLCNIC_PCIE_REG(PCIE_SEM_LOCK(sem))); + if (done == 1) + break; + if (++timeout >= QLCNIC_PCIE_SEM_TIMEOUT) { + dev_err(&adapter->pdev->dev, + "Failed to acquire sem=%d lock; holdby=%d\n", + sem, id_reg ? QLCRD32(adapter, id_reg) : -1); + return -EIO; + } + msleep(1); + } + + if (id_reg) + QLCWR32(adapter, id_reg, adapter->portnum); + + return 0; +} + +void +qlcnic_pcie_sem_unlock(struct qlcnic_adapter *adapter, int sem) +{ + QLCRD32(adapter, QLCNIC_PCIE_REG(PCIE_SEM_UNLOCK(sem))); +} + +static int +qlcnic_send_cmd_descs(struct qlcnic_adapter *adapter, + struct cmd_desc_type0 *cmd_desc_arr, int nr_desc) +{ + u32 i, producer, consumer; + struct qlcnic_cmd_buffer *pbuf; + struct cmd_desc_type0 *cmd_desc; + struct qlcnic_host_tx_ring *tx_ring; + + i = 0; + + if (!test_bit(__QLCNIC_FW_ATTACHED, &adapter->state)) + return -EIO; + + tx_ring = adapter->tx_ring; + __netif_tx_lock_bh(tx_ring->txq); + + producer = tx_ring->producer; + consumer = tx_ring->sw_consumer; + + if (nr_desc >= qlcnic_tx_avail(tx_ring)) { + netif_tx_stop_queue(tx_ring->txq); + smp_mb(); + if (qlcnic_tx_avail(tx_ring) > nr_desc) { + if (qlcnic_tx_avail(tx_ring) > TX_STOP_THRESH) + netif_tx_wake_queue(tx_ring->txq); + } else { + adapter->stats.xmit_off++; + __netif_tx_unlock_bh(tx_ring->txq); + return -EBUSY; + } + } + + do { + cmd_desc = &cmd_desc_arr[i]; + + pbuf = &tx_ring->cmd_buf_arr[producer]; + pbuf->skb = NULL; + pbuf->frag_count = 0; + + memcpy(&tx_ring->desc_head[producer], + &cmd_desc_arr[i], sizeof(struct cmd_desc_type0)); + + producer = get_next_index(producer, tx_ring->num_desc); + i++; + + } while (i != nr_desc); + + tx_ring->producer = producer; + + qlcnic_update_cmd_producer(adapter, tx_ring); + + __netif_tx_unlock_bh(tx_ring->txq); + + return 0; +} + +static int +qlcnic_sre_macaddr_change(struct qlcnic_adapter *adapter, u8 *addr, + __le16 vlan_id, unsigned op) +{ + struct qlcnic_nic_req req; + struct qlcnic_mac_req *mac_req; + struct qlcnic_vlan_req *vlan_req; + u64 word; + + memset(&req, 0, sizeof(struct qlcnic_nic_req)); + req.qhdr = cpu_to_le64(QLCNIC_REQUEST << 23); + + word = QLCNIC_MAC_EVENT | ((u64)adapter->portnum << 16); + req.req_hdr = cpu_to_le64(word); + + mac_req = (struct qlcnic_mac_req *)&req.words[0]; + mac_req->op = op; + memcpy(mac_req->mac_addr, addr, 6); + + vlan_req = (struct qlcnic_vlan_req *)&req.words[1]; + vlan_req->vlan_id = vlan_id; + + return qlcnic_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1); +} + +static int qlcnic_nic_add_mac(struct qlcnic_adapter *adapter, const u8 *addr) +{ + struct list_head *head; + struct qlcnic_mac_list_s *cur; + + /* look up if already exists */ + list_for_each(head, &adapter->mac_list) { + cur = list_entry(head, struct qlcnic_mac_list_s, list); + if (memcmp(addr, cur->mac_addr, ETH_ALEN) == 0) + return 0; + } + + cur = kzalloc(sizeof(struct qlcnic_mac_list_s), GFP_ATOMIC); + if (cur == NULL) { + dev_err(&adapter->netdev->dev, + "failed to add mac address filter\n"); + return -ENOMEM; + } + memcpy(cur->mac_addr, addr, ETH_ALEN); + + if (qlcnic_sre_macaddr_change(adapter, + cur->mac_addr, 0, QLCNIC_MAC_ADD)) { + kfree(cur); + return -EIO; + } + + list_add_tail(&cur->list, &adapter->mac_list); + return 0; +} + +void qlcnic_set_multi(struct net_device *netdev) +{ + struct qlcnic_adapter *adapter = netdev_priv(netdev); + struct netdev_hw_addr *ha; + static const u8 bcast_addr[ETH_ALEN] = { + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff + }; + u32 mode = VPORT_MISS_MODE_DROP; + + if (!test_bit(__QLCNIC_FW_ATTACHED, &adapter->state)) + return; + + qlcnic_nic_add_mac(adapter, adapter->mac_addr); + qlcnic_nic_add_mac(adapter, bcast_addr); + + if (netdev->flags & IFF_PROMISC) { + if (!(adapter->flags & QLCNIC_PROMISC_DISABLED)) + mode = VPORT_MISS_MODE_ACCEPT_ALL; + goto send_fw_cmd; + } + + if ((netdev->flags & IFF_ALLMULTI) || + (netdev_mc_count(netdev) > adapter->max_mc_count)) { + mode = VPORT_MISS_MODE_ACCEPT_MULTI; + goto send_fw_cmd; + } + + if (!netdev_mc_empty(netdev)) { + netdev_for_each_mc_addr(ha, netdev) { + qlcnic_nic_add_mac(adapter, ha->addr); + } + } + +send_fw_cmd: + if (mode == VPORT_MISS_MODE_ACCEPT_ALL) { + qlcnic_alloc_lb_filters_mem(adapter); + adapter->mac_learn = 1; + } else { + adapter->mac_learn = 0; + } + + qlcnic_nic_set_promisc(adapter, mode); +} + +int qlcnic_nic_set_promisc(struct qlcnic_adapter *adapter, u32 mode) +{ + struct qlcnic_nic_req req; + u64 word; + + memset(&req, 0, sizeof(struct qlcnic_nic_req)); + + req.qhdr = cpu_to_le64(QLCNIC_HOST_REQUEST << 23); + + word = QLCNIC_H2C_OPCODE_SET_MAC_RECEIVE_MODE | + ((u64)adapter->portnum << 16); + req.req_hdr = cpu_to_le64(word); + + req.words[0] = cpu_to_le64(mode); + + return qlcnic_send_cmd_descs(adapter, + (struct cmd_desc_type0 *)&req, 1); +} + +void qlcnic_free_mac_list(struct qlcnic_adapter *adapter) +{ + struct qlcnic_mac_list_s *cur; + struct list_head *head = &adapter->mac_list; + + while (!list_empty(head)) { + cur = list_entry(head->next, struct qlcnic_mac_list_s, list); + qlcnic_sre_macaddr_change(adapter, + cur->mac_addr, 0, QLCNIC_MAC_DEL); + list_del(&cur->list); + kfree(cur); + } +} + +void qlcnic_prune_lb_filters(struct qlcnic_adapter *adapter) +{ + struct qlcnic_filter *tmp_fil; + struct hlist_node *tmp_hnode, *n; + struct hlist_head *head; + int i; + + for (i = 0; i < adapter->fhash.fmax; i++) { + head = &(adapter->fhash.fhead[i]); + + hlist_for_each_entry_safe(tmp_fil, tmp_hnode, n, head, fnode) + { + if (jiffies > + (QLCNIC_FILTER_AGE * HZ + tmp_fil->ftime)) { + qlcnic_sre_macaddr_change(adapter, + tmp_fil->faddr, tmp_fil->vlan_id, + tmp_fil->vlan_id ? QLCNIC_MAC_VLAN_DEL : + QLCNIC_MAC_DEL); + spin_lock_bh(&adapter->mac_learn_lock); + adapter->fhash.fnum--; + hlist_del(&tmp_fil->fnode); + spin_unlock_bh(&adapter->mac_learn_lock); + kfree(tmp_fil); + } + } + } +} + +void qlcnic_delete_lb_filters(struct qlcnic_adapter *adapter) +{ + struct qlcnic_filter *tmp_fil; + struct hlist_node *tmp_hnode, *n; + struct hlist_head *head; + int i; + + for (i = 0; i < adapter->fhash.fmax; i++) { + head = &(adapter->fhash.fhead[i]); + + hlist_for_each_entry_safe(tmp_fil, tmp_hnode, n, head, fnode) { + qlcnic_sre_macaddr_change(adapter, tmp_fil->faddr, + tmp_fil->vlan_id, tmp_fil->vlan_id ? + QLCNIC_MAC_VLAN_DEL : QLCNIC_MAC_DEL); + spin_lock_bh(&adapter->mac_learn_lock); + adapter->fhash.fnum--; + hlist_del(&tmp_fil->fnode); + spin_unlock_bh(&adapter->mac_learn_lock); + kfree(tmp_fil); + } + } +} + +int qlcnic_set_fw_loopback(struct qlcnic_adapter *adapter, u8 flag) +{ + struct qlcnic_nic_req req; + int rv; + + memset(&req, 0, sizeof(struct qlcnic_nic_req)); + + req.qhdr = cpu_to_le64(QLCNIC_HOST_REQUEST << 23); + req.req_hdr = cpu_to_le64(QLCNIC_H2C_OPCODE_CONFIG_LOOPBACK | + ((u64) adapter->portnum << 16) | ((u64) 0x1 << 32)); + + req.words[0] = cpu_to_le64(flag); + + rv = qlcnic_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1); + if (rv != 0) + dev_err(&adapter->pdev->dev, "%sting loopback mode failed\n", + flag ? "Set" : "Reset"); + return rv; +} + +int qlcnic_set_lb_mode(struct qlcnic_adapter *adapter, u8 mode) +{ + if (qlcnic_set_fw_loopback(adapter, mode)) + return -EIO; + + if (qlcnic_nic_set_promisc(adapter, VPORT_MISS_MODE_ACCEPT_ALL)) { + qlcnic_set_fw_loopback(adapter, mode); + return -EIO; + } + + msleep(1000); + return 0; +} + +void qlcnic_clear_lb_mode(struct qlcnic_adapter *adapter) +{ + int mode = VPORT_MISS_MODE_DROP; + struct net_device *netdev = adapter->netdev; + + qlcnic_set_fw_loopback(adapter, 0); + + if (netdev->flags & IFF_PROMISC) + mode = VPORT_MISS_MODE_ACCEPT_ALL; + else if (netdev->flags & IFF_ALLMULTI) + mode = VPORT_MISS_MODE_ACCEPT_MULTI; + + qlcnic_nic_set_promisc(adapter, mode); + msleep(1000); +} + +/* + * Send the interrupt coalescing parameter set by ethtool to the card. + */ +int qlcnic_config_intr_coalesce(struct qlcnic_adapter *adapter) +{ + struct qlcnic_nic_req req; + int rv; + + memset(&req, 0, sizeof(struct qlcnic_nic_req)); + + req.qhdr = cpu_to_le64(QLCNIC_HOST_REQUEST << 23); + + req.req_hdr = cpu_to_le64(QLCNIC_CONFIG_INTR_COALESCE | + ((u64) adapter->portnum << 16)); + + req.words[0] = cpu_to_le64(((u64) adapter->ahw->coal.flag) << 32); + req.words[2] = cpu_to_le64(adapter->ahw->coal.rx_packets | + ((u64) adapter->ahw->coal.rx_time_us) << 16); + req.words[5] = cpu_to_le64(adapter->ahw->coal.timer_out | + ((u64) adapter->ahw->coal.type) << 32 | + ((u64) adapter->ahw->coal.sts_ring_mask) << 40); + rv = qlcnic_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1); + if (rv != 0) + dev_err(&adapter->netdev->dev, + "Could not send interrupt coalescing parameters\n"); + return rv; +} + +int qlcnic_config_hw_lro(struct qlcnic_adapter *adapter, int enable) +{ + struct qlcnic_nic_req req; + u64 word; + int rv; + + if (!test_bit(__QLCNIC_FW_ATTACHED, &adapter->state)) + return 0; + + memset(&req, 0, sizeof(struct qlcnic_nic_req)); + + req.qhdr = cpu_to_le64(QLCNIC_HOST_REQUEST << 23); + + word = QLCNIC_H2C_OPCODE_CONFIG_HW_LRO | ((u64)adapter->portnum << 16); + req.req_hdr = cpu_to_le64(word); + + req.words[0] = cpu_to_le64(enable); + + rv = qlcnic_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1); + if (rv != 0) + dev_err(&adapter->netdev->dev, + "Could not send configure hw lro request\n"); + + return rv; +} + +int qlcnic_config_bridged_mode(struct qlcnic_adapter *adapter, u32 enable) +{ + struct qlcnic_nic_req req; + u64 word; + int rv; + + if (!!(adapter->flags & QLCNIC_BRIDGE_ENABLED) == enable) + return 0; + + memset(&req, 0, sizeof(struct qlcnic_nic_req)); + + req.qhdr = cpu_to_le64(QLCNIC_HOST_REQUEST << 23); + + word = QLCNIC_H2C_OPCODE_CONFIG_BRIDGING | + ((u64)adapter->portnum << 16); + req.req_hdr = cpu_to_le64(word); + + req.words[0] = cpu_to_le64(enable); + + rv = qlcnic_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1); + if (rv != 0) + dev_err(&adapter->netdev->dev, + "Could not send configure bridge mode request\n"); + + adapter->flags ^= QLCNIC_BRIDGE_ENABLED; + + return rv; +} + + +#define RSS_HASHTYPE_IP_TCP 0x3 + +int qlcnic_config_rss(struct qlcnic_adapter *adapter, int enable) +{ + struct qlcnic_nic_req req; + u64 word; + int i, rv; + + static const u64 key[] = { + 0xbeac01fa6a42b73bULL, 0x8030f20c77cb2da3ULL, + 0xae7b30b4d0ca2bcbULL, 0x43a38fb04167253dULL, + 0x255b0ec26d5a56daULL + }; + + memset(&req, 0, sizeof(struct qlcnic_nic_req)); + req.qhdr = cpu_to_le64(QLCNIC_HOST_REQUEST << 23); + + word = QLCNIC_H2C_OPCODE_CONFIG_RSS | ((u64)adapter->portnum << 16); + req.req_hdr = cpu_to_le64(word); + + /* + * RSS request: + * bits 3-0: hash_method + * 5-4: hash_type_ipv4 + * 7-6: hash_type_ipv6 + * 8: enable + * 9: use indirection table + * 47-10: reserved + * 63-48: indirection table mask + */ + word = ((u64)(RSS_HASHTYPE_IP_TCP & 0x3) << 4) | + ((u64)(RSS_HASHTYPE_IP_TCP & 0x3) << 6) | + ((u64)(enable & 0x1) << 8) | + ((0x7ULL) << 48); + req.words[0] = cpu_to_le64(word); + for (i = 0; i < 5; i++) + req.words[i+1] = cpu_to_le64(key[i]); + + rv = qlcnic_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1); + if (rv != 0) + dev_err(&adapter->netdev->dev, "could not configure RSS\n"); + + return rv; +} + +int qlcnic_config_ipaddr(struct qlcnic_adapter *adapter, __be32 ip, int cmd) +{ + struct qlcnic_nic_req req; + struct qlcnic_ipaddr *ipa; + u64 word; + int rv; + + memset(&req, 0, sizeof(struct qlcnic_nic_req)); + req.qhdr = cpu_to_le64(QLCNIC_HOST_REQUEST << 23); + + word = QLCNIC_H2C_OPCODE_CONFIG_IPADDR | ((u64)adapter->portnum << 16); + req.req_hdr = cpu_to_le64(word); + + req.words[0] = cpu_to_le64(cmd); + ipa = (struct qlcnic_ipaddr *)&req.words[1]; + ipa->ipv4 = ip; + + rv = qlcnic_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1); + if (rv != 0) + dev_err(&adapter->netdev->dev, + "could not notify %s IP 0x%x reuqest\n", + (cmd == QLCNIC_IP_UP) ? "Add" : "Remove", ip); + + return rv; +} + +int qlcnic_linkevent_request(struct qlcnic_adapter *adapter, int enable) +{ + struct qlcnic_nic_req req; + u64 word; + int rv; + + memset(&req, 0, sizeof(struct qlcnic_nic_req)); + req.qhdr = cpu_to_le64(QLCNIC_HOST_REQUEST << 23); + + word = QLCNIC_H2C_OPCODE_GET_LINKEVENT | ((u64)adapter->portnum << 16); + req.req_hdr = cpu_to_le64(word); + req.words[0] = cpu_to_le64(enable | (enable << 8)); + + rv = qlcnic_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1); + if (rv != 0) + dev_err(&adapter->netdev->dev, + "could not configure link notification\n"); + + return rv; +} + +int qlcnic_send_lro_cleanup(struct qlcnic_adapter *adapter) +{ + struct qlcnic_nic_req req; + u64 word; + int rv; + + if (!test_bit(__QLCNIC_FW_ATTACHED, &adapter->state)) + return 0; + + memset(&req, 0, sizeof(struct qlcnic_nic_req)); + req.qhdr = cpu_to_le64(QLCNIC_HOST_REQUEST << 23); + + word = QLCNIC_H2C_OPCODE_LRO_REQUEST | + ((u64)adapter->portnum << 16) | + ((u64)QLCNIC_LRO_REQUEST_CLEANUP << 56) ; + + req.req_hdr = cpu_to_le64(word); + + rv = qlcnic_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1); + if (rv != 0) + dev_err(&adapter->netdev->dev, + "could not cleanup lro flows\n"); + + return rv; +} + +/* + * qlcnic_change_mtu - Change the Maximum Transfer Unit + * @returns 0 on success, negative on failure + */ + +int qlcnic_change_mtu(struct net_device *netdev, int mtu) +{ + struct qlcnic_adapter *adapter = netdev_priv(netdev); + int rc = 0; + + if (mtu < P3P_MIN_MTU || mtu > P3P_MAX_MTU) { + dev_err(&adapter->netdev->dev, "%d bytes < mtu < %d bytes" + " not supported\n", P3P_MAX_MTU, P3P_MIN_MTU); + return -EINVAL; + } + + rc = qlcnic_fw_cmd_set_mtu(adapter, mtu); + + if (!rc) + netdev->mtu = mtu; + + return rc; +} + + +u32 qlcnic_fix_features(struct net_device *netdev, u32 features) +{ + struct qlcnic_adapter *adapter = netdev_priv(netdev); + + if ((adapter->flags & QLCNIC_ESWITCH_ENABLED)) { + u32 changed = features ^ netdev->features; + features ^= changed & (NETIF_F_ALL_CSUM | NETIF_F_RXCSUM); + } + + if (!(features & NETIF_F_RXCSUM)) + features &= ~NETIF_F_LRO; + + return features; +} + + +int qlcnic_set_features(struct net_device *netdev, u32 features) +{ + struct qlcnic_adapter *adapter = netdev_priv(netdev); + u32 changed = netdev->features ^ features; + int hw_lro = (features & NETIF_F_LRO) ? QLCNIC_LRO_ENABLED : 0; + + if (!(changed & NETIF_F_LRO)) + return 0; + + netdev->features = features ^ NETIF_F_LRO; + + if (qlcnic_config_hw_lro(adapter, hw_lro)) + return -EIO; + + if ((hw_lro == 0) && qlcnic_send_lro_cleanup(adapter)) + return -EIO; + + return 0; +} + +/* + * Changes the CRB window to the specified window. + */ + /* Returns < 0 if off is not valid, + * 1 if window access is needed. 'off' is set to offset from + * CRB space in 128M pci map + * 0 if no window access is needed. 'off' is set to 2M addr + * In: 'off' is offset from base in 128M pci map + */ +static int +qlcnic_pci_get_crb_addr_2M(struct qlcnic_adapter *adapter, + ulong off, void __iomem **addr) +{ + const struct crb_128M_2M_sub_block_map *m; + + if ((off >= QLCNIC_CRB_MAX) || (off < QLCNIC_PCI_CRBSPACE)) + return -EINVAL; + + off -= QLCNIC_PCI_CRBSPACE; + + /* + * Try direct map + */ + m = &crb_128M_2M_map[CRB_BLK(off)].sub_block[CRB_SUBBLK(off)]; + + if (m->valid && (m->start_128M <= off) && (m->end_128M > off)) { + *addr = adapter->ahw->pci_base0 + m->start_2M + + (off - m->start_128M); + return 0; + } + + /* + * Not in direct map, use crb window + */ + *addr = adapter->ahw->pci_base0 + CRB_INDIRECT_2M + (off & MASK(16)); + return 1; +} + +/* + * In: 'off' is offset from CRB space in 128M pci map + * Out: 'off' is 2M pci map addr + * side effect: lock crb window + */ +static int +qlcnic_pci_set_crbwindow_2M(struct qlcnic_adapter *adapter, ulong off) +{ + u32 window; + void __iomem *addr = adapter->ahw->pci_base0 + CRB_WINDOW_2M; + + off -= QLCNIC_PCI_CRBSPACE; + + window = CRB_HI(off); + if (window == 0) { + dev_err(&adapter->pdev->dev, "Invalid offset 0x%lx\n", off); + return -EIO; + } + + writel(window, addr); + if (readl(addr) != window) { + if (printk_ratelimit()) + dev_warn(&adapter->pdev->dev, + "failed to set CRB window to %d off 0x%lx\n", + window, off); + return -EIO; + } + return 0; +} + +int +qlcnic_hw_write_wx_2M(struct qlcnic_adapter *adapter, ulong off, u32 data) +{ + unsigned long flags; + int rv; + void __iomem *addr = NULL; + + rv = qlcnic_pci_get_crb_addr_2M(adapter, off, &addr); + + if (rv == 0) { + writel(data, addr); + return 0; + } + + if (rv > 0) { + /* indirect access */ + write_lock_irqsave(&adapter->ahw->crb_lock, flags); + crb_win_lock(adapter); + rv = qlcnic_pci_set_crbwindow_2M(adapter, off); + if (!rv) + writel(data, addr); + crb_win_unlock(adapter); + write_unlock_irqrestore(&adapter->ahw->crb_lock, flags); + return rv; + } + + dev_err(&adapter->pdev->dev, + "%s: invalid offset: 0x%016lx\n", __func__, off); + dump_stack(); + return -EIO; +} + +u32 +qlcnic_hw_read_wx_2M(struct qlcnic_adapter *adapter, ulong off) +{ + unsigned long flags; + int rv; + u32 data = -1; + void __iomem *addr = NULL; + + rv = qlcnic_pci_get_crb_addr_2M(adapter, off, &addr); + + if (rv == 0) + return readl(addr); + + if (rv > 0) { + /* indirect access */ + write_lock_irqsave(&adapter->ahw->crb_lock, flags); + crb_win_lock(adapter); + if (!qlcnic_pci_set_crbwindow_2M(adapter, off)) + data = readl(addr); + crb_win_unlock(adapter); + write_unlock_irqrestore(&adapter->ahw->crb_lock, flags); + return data; + } + + dev_err(&adapter->pdev->dev, + "%s: invalid offset: 0x%016lx\n", __func__, off); + dump_stack(); + return -1; +} + + +void __iomem * +qlcnic_get_ioaddr(struct qlcnic_adapter *adapter, u32 offset) +{ + void __iomem *addr = NULL; + + WARN_ON(qlcnic_pci_get_crb_addr_2M(adapter, offset, &addr)); + + return addr; +} + + +static int +qlcnic_pci_set_window_2M(struct qlcnic_adapter *adapter, + u64 addr, u32 *start) +{ + u32 window; + + window = OCM_WIN_P3P(addr); + + writel(window, adapter->ahw->ocm_win_crb); + /* read back to flush */ + readl(adapter->ahw->ocm_win_crb); + + *start = QLCNIC_PCI_OCM0_2M + GET_MEM_OFFS_2M(addr); + return 0; +} + +static int +qlcnic_pci_mem_access_direct(struct qlcnic_adapter *adapter, u64 off, + u64 *data, int op) +{ + void __iomem *addr; + int ret; + u32 start; + + mutex_lock(&adapter->ahw->mem_lock); + + ret = qlcnic_pci_set_window_2M(adapter, off, &start); + if (ret != 0) + goto unlock; + + addr = adapter->ahw->pci_base0 + start; + + if (op == 0) /* read */ + *data = readq(addr); + else /* write */ + writeq(*data, addr); + +unlock: + mutex_unlock(&adapter->ahw->mem_lock); + + return ret; +} + +void +qlcnic_pci_camqm_read_2M(struct qlcnic_adapter *adapter, u64 off, u64 *data) +{ + void __iomem *addr = adapter->ahw->pci_base0 + + QLCNIC_PCI_CAMQM_2M_BASE + (off - QLCNIC_PCI_CAMQM); + + mutex_lock(&adapter->ahw->mem_lock); + *data = readq(addr); + mutex_unlock(&adapter->ahw->mem_lock); +} + +void +qlcnic_pci_camqm_write_2M(struct qlcnic_adapter *adapter, u64 off, u64 data) +{ + void __iomem *addr = adapter->ahw->pci_base0 + + QLCNIC_PCI_CAMQM_2M_BASE + (off - QLCNIC_PCI_CAMQM); + + mutex_lock(&adapter->ahw->mem_lock); + writeq(data, addr); + mutex_unlock(&adapter->ahw->mem_lock); +} + +#define MAX_CTL_CHECK 1000 + +int +qlcnic_pci_mem_write_2M(struct qlcnic_adapter *adapter, + u64 off, u64 data) +{ + int i, j, ret; + u32 temp, off8; + void __iomem *mem_crb; + + /* Only 64-bit aligned access */ + if (off & 7) + return -EIO; + + /* P3 onward, test agent base for MIU and SIU is same */ + if (ADDR_IN_RANGE(off, QLCNIC_ADDR_QDR_NET, + QLCNIC_ADDR_QDR_NET_MAX)) { + mem_crb = qlcnic_get_ioaddr(adapter, + QLCNIC_CRB_QDR_NET+MIU_TEST_AGT_BASE); + goto correct; + } + + if (ADDR_IN_RANGE(off, QLCNIC_ADDR_DDR_NET, QLCNIC_ADDR_DDR_NET_MAX)) { + mem_crb = qlcnic_get_ioaddr(adapter, + QLCNIC_CRB_DDR_NET+MIU_TEST_AGT_BASE); + goto correct; + } + + if (ADDR_IN_RANGE(off, QLCNIC_ADDR_OCM0, QLCNIC_ADDR_OCM0_MAX)) + return qlcnic_pci_mem_access_direct(adapter, off, &data, 1); + + return -EIO; + +correct: + off8 = off & ~0xf; + + mutex_lock(&adapter->ahw->mem_lock); + + writel(off8, (mem_crb + MIU_TEST_AGT_ADDR_LO)); + writel(0, (mem_crb + MIU_TEST_AGT_ADDR_HI)); + + i = 0; + writel(TA_CTL_ENABLE, (mem_crb + TEST_AGT_CTRL)); + writel((TA_CTL_START | TA_CTL_ENABLE), + (mem_crb + TEST_AGT_CTRL)); + + for (j = 0; j < MAX_CTL_CHECK; j++) { + temp = readl(mem_crb + TEST_AGT_CTRL); + if ((temp & TA_CTL_BUSY) == 0) + break; + } + + if (j >= MAX_CTL_CHECK) { + ret = -EIO; + goto done; + } + + i = (off & 0xf) ? 0 : 2; + writel(readl(mem_crb + MIU_TEST_AGT_RDDATA(i)), + mem_crb + MIU_TEST_AGT_WRDATA(i)); + writel(readl(mem_crb + MIU_TEST_AGT_RDDATA(i+1)), + mem_crb + MIU_TEST_AGT_WRDATA(i+1)); + i = (off & 0xf) ? 2 : 0; + + writel(data & 0xffffffff, + mem_crb + MIU_TEST_AGT_WRDATA(i)); + writel((data >> 32) & 0xffffffff, + mem_crb + MIU_TEST_AGT_WRDATA(i+1)); + + writel((TA_CTL_ENABLE | TA_CTL_WRITE), (mem_crb + TEST_AGT_CTRL)); + writel((TA_CTL_START | TA_CTL_ENABLE | TA_CTL_WRITE), + (mem_crb + TEST_AGT_CTRL)); + + for (j = 0; j < MAX_CTL_CHECK; j++) { + temp = readl(mem_crb + TEST_AGT_CTRL); + if ((temp & TA_CTL_BUSY) == 0) + break; + } + + if (j >= MAX_CTL_CHECK) { + if (printk_ratelimit()) + dev_err(&adapter->pdev->dev, + "failed to write through agent\n"); + ret = -EIO; + } else + ret = 0; + +done: + mutex_unlock(&adapter->ahw->mem_lock); + + return ret; +} + +int +qlcnic_pci_mem_read_2M(struct qlcnic_adapter *adapter, + u64 off, u64 *data) +{ + int j, ret; + u32 temp, off8; + u64 val; + void __iomem *mem_crb; + + /* Only 64-bit aligned access */ + if (off & 7) + return -EIO; + + /* P3 onward, test agent base for MIU and SIU is same */ + if (ADDR_IN_RANGE(off, QLCNIC_ADDR_QDR_NET, + QLCNIC_ADDR_QDR_NET_MAX)) { + mem_crb = qlcnic_get_ioaddr(adapter, + QLCNIC_CRB_QDR_NET+MIU_TEST_AGT_BASE); + goto correct; + } + + if (ADDR_IN_RANGE(off, QLCNIC_ADDR_DDR_NET, QLCNIC_ADDR_DDR_NET_MAX)) { + mem_crb = qlcnic_get_ioaddr(adapter, + QLCNIC_CRB_DDR_NET+MIU_TEST_AGT_BASE); + goto correct; + } + + if (ADDR_IN_RANGE(off, QLCNIC_ADDR_OCM0, QLCNIC_ADDR_OCM0_MAX)) { + return qlcnic_pci_mem_access_direct(adapter, + off, data, 0); + } + + return -EIO; + +correct: + off8 = off & ~0xf; + + mutex_lock(&adapter->ahw->mem_lock); + + writel(off8, (mem_crb + MIU_TEST_AGT_ADDR_LO)); + writel(0, (mem_crb + MIU_TEST_AGT_ADDR_HI)); + writel(TA_CTL_ENABLE, (mem_crb + TEST_AGT_CTRL)); + writel((TA_CTL_START | TA_CTL_ENABLE), (mem_crb + TEST_AGT_CTRL)); + + for (j = 0; j < MAX_CTL_CHECK; j++) { + temp = readl(mem_crb + TEST_AGT_CTRL); + if ((temp & TA_CTL_BUSY) == 0) + break; + } + + if (j >= MAX_CTL_CHECK) { + if (printk_ratelimit()) + dev_err(&adapter->pdev->dev, + "failed to read through agent\n"); + ret = -EIO; + } else { + off8 = MIU_TEST_AGT_RDDATA_LO; + if (off & 0xf) + off8 = MIU_TEST_AGT_RDDATA_UPPER_LO; + + temp = readl(mem_crb + off8 + 4); + val = (u64)temp << 32; + val |= readl(mem_crb + off8); + *data = val; + ret = 0; + } + + mutex_unlock(&adapter->ahw->mem_lock); + + return ret; +} + +int qlcnic_get_board_info(struct qlcnic_adapter *adapter) +{ + int offset, board_type, magic; + struct pci_dev *pdev = adapter->pdev; + + offset = QLCNIC_FW_MAGIC_OFFSET; + if (qlcnic_rom_fast_read(adapter, offset, &magic)) + return -EIO; + + if (magic != QLCNIC_BDINFO_MAGIC) { + dev_err(&pdev->dev, "invalid board config, magic=%08x\n", + magic); + return -EIO; + } + + offset = QLCNIC_BRDTYPE_OFFSET; + if (qlcnic_rom_fast_read(adapter, offset, &board_type)) + return -EIO; + + adapter->ahw->board_type = board_type; + + if (board_type == QLCNIC_BRDTYPE_P3P_4_GB_MM) { + u32 gpio = QLCRD32(adapter, QLCNIC_ROMUSB_GLB_PAD_GPIO_I); + if ((gpio & 0x8000) == 0) + board_type = QLCNIC_BRDTYPE_P3P_10G_TP; + } + + switch (board_type) { + case QLCNIC_BRDTYPE_P3P_HMEZ: + case QLCNIC_BRDTYPE_P3P_XG_LOM: + case QLCNIC_BRDTYPE_P3P_10G_CX4: + case QLCNIC_BRDTYPE_P3P_10G_CX4_LP: + case QLCNIC_BRDTYPE_P3P_IMEZ: + case QLCNIC_BRDTYPE_P3P_10G_SFP_PLUS: + case QLCNIC_BRDTYPE_P3P_10G_SFP_CT: + case QLCNIC_BRDTYPE_P3P_10G_SFP_QT: + case QLCNIC_BRDTYPE_P3P_10G_XFP: + case QLCNIC_BRDTYPE_P3P_10000_BASE_T: + adapter->ahw->port_type = QLCNIC_XGBE; + break; + case QLCNIC_BRDTYPE_P3P_REF_QG: + case QLCNIC_BRDTYPE_P3P_4_GB: + case QLCNIC_BRDTYPE_P3P_4_GB_MM: + adapter->ahw->port_type = QLCNIC_GBE; + break; + case QLCNIC_BRDTYPE_P3P_10G_TP: + adapter->ahw->port_type = (adapter->portnum < 2) ? + QLCNIC_XGBE : QLCNIC_GBE; + break; + default: + dev_err(&pdev->dev, "unknown board type %x\n", board_type); + adapter->ahw->port_type = QLCNIC_XGBE; + break; + } + + return 0; +} + +int +qlcnic_wol_supported(struct qlcnic_adapter *adapter) +{ + u32 wol_cfg; + + wol_cfg = QLCRD32(adapter, QLCNIC_WOL_CONFIG_NV); + if (wol_cfg & (1UL << adapter->portnum)) { + wol_cfg = QLCRD32(adapter, QLCNIC_WOL_CONFIG); + if (wol_cfg & (1 << adapter->portnum)) + return 1; + } + + return 0; +} + +int qlcnic_config_led(struct qlcnic_adapter *adapter, u32 state, u32 rate) +{ + struct qlcnic_nic_req req; + int rv; + u64 word; + + memset(&req, 0, sizeof(struct qlcnic_nic_req)); + req.qhdr = cpu_to_le64(QLCNIC_HOST_REQUEST << 23); + + word = QLCNIC_H2C_OPCODE_CONFIG_LED | ((u64)adapter->portnum << 16); + req.req_hdr = cpu_to_le64(word); + + req.words[0] = cpu_to_le64((u64)rate << 32); + req.words[1] = cpu_to_le64(state); + + rv = qlcnic_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1); + if (rv) + dev_err(&adapter->pdev->dev, "LED configuration failed.\n"); + + return rv; +} + +/* FW dump related functions */ +static u32 +qlcnic_dump_crb(struct qlcnic_adapter *adapter, struct qlcnic_dump_entry *entry, + u32 *buffer) +{ + int i; + u32 addr, data; + struct __crb *crb = &entry->region.crb; + void __iomem *base = adapter->ahw->pci_base0; + + addr = crb->addr; + + for (i = 0; i < crb->no_ops; i++) { + QLCNIC_RD_DUMP_REG(addr, base, &data); + *buffer++ = cpu_to_le32(addr); + *buffer++ = cpu_to_le32(data); + addr += crb->stride; + } + return crb->no_ops * 2 * sizeof(u32); +} + +static u32 +qlcnic_dump_ctrl(struct qlcnic_adapter *adapter, + struct qlcnic_dump_entry *entry, u32 *buffer) +{ + int i, k, timeout = 0; + void __iomem *base = adapter->ahw->pci_base0; + u32 addr, data; + u8 opcode, no_ops; + struct __ctrl *ctr = &entry->region.ctrl; + struct qlcnic_dump_template_hdr *t_hdr = adapter->ahw->fw_dump.tmpl_hdr; + + addr = ctr->addr; + no_ops = ctr->no_ops; + + for (i = 0; i < no_ops; i++) { + k = 0; + opcode = 0; + for (k = 0; k < 8; k++) { + if (!(ctr->opcode & (1 << k))) + continue; + switch (1 << k) { + case QLCNIC_DUMP_WCRB: + QLCNIC_WR_DUMP_REG(addr, base, ctr->val1); + break; + case QLCNIC_DUMP_RWCRB: + QLCNIC_RD_DUMP_REG(addr, base, &data); + QLCNIC_WR_DUMP_REG(addr, base, data); + break; + case QLCNIC_DUMP_ANDCRB: + QLCNIC_RD_DUMP_REG(addr, base, &data); + QLCNIC_WR_DUMP_REG(addr, base, + (data & ctr->val2)); + break; + case QLCNIC_DUMP_ORCRB: + QLCNIC_RD_DUMP_REG(addr, base, &data); + QLCNIC_WR_DUMP_REG(addr, base, + (data | ctr->val3)); + break; + case QLCNIC_DUMP_POLLCRB: + while (timeout <= ctr->timeout) { + QLCNIC_RD_DUMP_REG(addr, base, &data); + if ((data & ctr->val2) == ctr->val1) + break; + msleep(1); + timeout++; + } + if (timeout > ctr->timeout) { + dev_info(&adapter->pdev->dev, + "Timed out, aborting poll CRB\n"); + return -EINVAL; + } + break; + case QLCNIC_DUMP_RD_SAVE: + if (ctr->index_a) + addr = t_hdr->saved_state[ctr->index_a]; + QLCNIC_RD_DUMP_REG(addr, base, &data); + t_hdr->saved_state[ctr->index_v] = data; + break; + case QLCNIC_DUMP_WRT_SAVED: + if (ctr->index_v) + data = t_hdr->saved_state[ctr->index_v]; + else + data = ctr->val1; + if (ctr->index_a) + addr = t_hdr->saved_state[ctr->index_a]; + QLCNIC_WR_DUMP_REG(addr, base, data); + break; + case QLCNIC_DUMP_MOD_SAVE_ST: + data = t_hdr->saved_state[ctr->index_v]; + data <<= ctr->shl_val; + data >>= ctr->shr_val; + if (ctr->val2) + data &= ctr->val2; + data |= ctr->val3; + data += ctr->val1; + t_hdr->saved_state[ctr->index_v] = data; + break; + default: + dev_info(&adapter->pdev->dev, + "Unknown opcode\n"); + break; + } + } + addr += ctr->stride; + } + return 0; +} + +static u32 +qlcnic_dump_mux(struct qlcnic_adapter *adapter, struct qlcnic_dump_entry *entry, + u32 *buffer) +{ + int loop; + u32 val, data = 0; + struct __mux *mux = &entry->region.mux; + void __iomem *base = adapter->ahw->pci_base0; + + val = mux->val; + for (loop = 0; loop < mux->no_ops; loop++) { + QLCNIC_WR_DUMP_REG(mux->addr, base, val); + QLCNIC_RD_DUMP_REG(mux->read_addr, base, &data); + *buffer++ = cpu_to_le32(val); + *buffer++ = cpu_to_le32(data); + val += mux->val_stride; + } + return 2 * mux->no_ops * sizeof(u32); +} + +static u32 +qlcnic_dump_que(struct qlcnic_adapter *adapter, struct qlcnic_dump_entry *entry, + u32 *buffer) +{ + int i, loop; + u32 cnt, addr, data, que_id = 0; + void __iomem *base = adapter->ahw->pci_base0; + struct __queue *que = &entry->region.que; + + addr = que->read_addr; + cnt = que->read_addr_cnt; + + for (loop = 0; loop < que->no_ops; loop++) { + QLCNIC_WR_DUMP_REG(que->sel_addr, base, que_id); + addr = que->read_addr; + for (i = 0; i < cnt; i++) { + QLCNIC_RD_DUMP_REG(addr, base, &data); + *buffer++ = cpu_to_le32(data); + addr += que->read_addr_stride; + } + que_id += que->stride; + } + return que->no_ops * cnt * sizeof(u32); +} + +static u32 +qlcnic_dump_ocm(struct qlcnic_adapter *adapter, struct qlcnic_dump_entry *entry, + u32 *buffer) +{ + int i; + u32 data; + void __iomem *addr; + struct __ocm *ocm = &entry->region.ocm; + + addr = adapter->ahw->pci_base0 + ocm->read_addr; + for (i = 0; i < ocm->no_ops; i++) { + data = readl(addr); + *buffer++ = cpu_to_le32(data); + addr += ocm->read_addr_stride; + } + return ocm->no_ops * sizeof(u32); +} + +static u32 +qlcnic_read_rom(struct qlcnic_adapter *adapter, struct qlcnic_dump_entry *entry, + u32 *buffer) +{ + int i, count = 0; + u32 fl_addr, size, val, lck_val, addr; + struct __mem *rom = &entry->region.mem; + void __iomem *base = adapter->ahw->pci_base0; + + fl_addr = rom->addr; + size = rom->size/4; +lock_try: + lck_val = readl(base + QLCNIC_FLASH_SEM2_LK); + if (!lck_val && count < MAX_CTL_CHECK) { + msleep(10); + count++; + goto lock_try; + } + writel(adapter->ahw->pci_func, (base + QLCNIC_FLASH_LOCK_ID)); + for (i = 0; i < size; i++) { + addr = fl_addr & 0xFFFF0000; + QLCNIC_WR_DUMP_REG(FLASH_ROM_WINDOW, base, addr); + addr = LSW(fl_addr) + FLASH_ROM_DATA; + QLCNIC_RD_DUMP_REG(addr, base, &val); + fl_addr += 4; + *buffer++ = cpu_to_le32(val); + } + readl(base + QLCNIC_FLASH_SEM2_ULK); + return rom->size; +} + +static u32 +qlcnic_dump_l1_cache(struct qlcnic_adapter *adapter, + struct qlcnic_dump_entry *entry, u32 *buffer) +{ + int i; + u32 cnt, val, data, addr; + void __iomem *base = adapter->ahw->pci_base0; + struct __cache *l1 = &entry->region.cache; + + val = l1->init_tag_val; + + for (i = 0; i < l1->no_ops; i++) { + QLCNIC_WR_DUMP_REG(l1->addr, base, val); + QLCNIC_WR_DUMP_REG(l1->ctrl_addr, base, LSW(l1->ctrl_val)); + addr = l1->read_addr; + cnt = l1->read_addr_num; + while (cnt) { + QLCNIC_RD_DUMP_REG(addr, base, &data); + *buffer++ = cpu_to_le32(data); + addr += l1->read_addr_stride; + cnt--; + } + val += l1->stride; + } + return l1->no_ops * l1->read_addr_num * sizeof(u32); +} + +static u32 +qlcnic_dump_l2_cache(struct qlcnic_adapter *adapter, + struct qlcnic_dump_entry *entry, u32 *buffer) +{ + int i; + u32 cnt, val, data, addr; + u8 poll_mask, poll_to, time_out = 0; + void __iomem *base = adapter->ahw->pci_base0; + struct __cache *l2 = &entry->region.cache; + + val = l2->init_tag_val; + poll_mask = LSB(MSW(l2->ctrl_val)); + poll_to = MSB(MSW(l2->ctrl_val)); + + for (i = 0; i < l2->no_ops; i++) { + QLCNIC_WR_DUMP_REG(l2->addr, base, val); + if (LSW(l2->ctrl_val)) + QLCNIC_WR_DUMP_REG(l2->ctrl_addr, base, + LSW(l2->ctrl_val)); + if (!poll_mask) + goto skip_poll; + do { + QLCNIC_RD_DUMP_REG(l2->ctrl_addr, base, &data); + if (!(data & poll_mask)) + break; + msleep(1); + time_out++; + } while (time_out <= poll_to); + + if (time_out > poll_to) { + dev_err(&adapter->pdev->dev, + "Timeout exceeded in %s, aborting dump\n", + __func__); + return -EINVAL; + } +skip_poll: + addr = l2->read_addr; + cnt = l2->read_addr_num; + while (cnt) { + QLCNIC_RD_DUMP_REG(addr, base, &data); + *buffer++ = cpu_to_le32(data); + addr += l2->read_addr_stride; + cnt--; + } + val += l2->stride; + } + return l2->no_ops * l2->read_addr_num * sizeof(u32); +} + +static u32 +qlcnic_read_memory(struct qlcnic_adapter *adapter, + struct qlcnic_dump_entry *entry, u32 *buffer) +{ + u32 addr, data, test, ret = 0; + int i, reg_read; + struct __mem *mem = &entry->region.mem; + void __iomem *base = adapter->ahw->pci_base0; + + reg_read = mem->size; + addr = mem->addr; + /* check for data size of multiple of 16 and 16 byte alignment */ + if ((addr & 0xf) || (reg_read%16)) { + dev_info(&adapter->pdev->dev, + "Unaligned memory addr:0x%x size:0x%x\n", + addr, reg_read); + return -EINVAL; + } + + mutex_lock(&adapter->ahw->mem_lock); + + while (reg_read != 0) { + QLCNIC_WR_DUMP_REG(MIU_TEST_ADDR_LO, base, addr); + QLCNIC_WR_DUMP_REG(MIU_TEST_ADDR_HI, base, 0); + QLCNIC_WR_DUMP_REG(MIU_TEST_CTR, base, + TA_CTL_ENABLE | TA_CTL_START); + + for (i = 0; i < MAX_CTL_CHECK; i++) { + QLCNIC_RD_DUMP_REG(MIU_TEST_CTR, base, &test); + if (!(test & TA_CTL_BUSY)) + break; + } + if (i == MAX_CTL_CHECK) { + if (printk_ratelimit()) { + dev_err(&adapter->pdev->dev, + "failed to read through agent\n"); + ret = -EINVAL; + goto out; + } + } + for (i = 0; i < 4; i++) { + QLCNIC_RD_DUMP_REG(MIU_TEST_READ_DATA[i], base, &data); + *buffer++ = cpu_to_le32(data); + } + addr += 16; + reg_read -= 16; + ret += 16; + } +out: + mutex_unlock(&adapter->ahw->mem_lock); + return mem->size; +} + +static u32 +qlcnic_dump_nop(struct qlcnic_adapter *adapter, + struct qlcnic_dump_entry *entry, u32 *buffer) +{ + entry->hdr.flags |= QLCNIC_DUMP_SKIP; + return 0; +} + +struct qlcnic_dump_operations fw_dump_ops[] = { + { QLCNIC_DUMP_NOP, qlcnic_dump_nop }, + { QLCNIC_DUMP_READ_CRB, qlcnic_dump_crb }, + { QLCNIC_DUMP_READ_MUX, qlcnic_dump_mux }, + { QLCNIC_DUMP_QUEUE, qlcnic_dump_que }, + { QLCNIC_DUMP_BRD_CONFIG, qlcnic_read_rom }, + { QLCNIC_DUMP_READ_OCM, qlcnic_dump_ocm }, + { QLCNIC_DUMP_PEG_REG, qlcnic_dump_ctrl }, + { QLCNIC_DUMP_L1_DTAG, qlcnic_dump_l1_cache }, + { QLCNIC_DUMP_L1_ITAG, qlcnic_dump_l1_cache }, + { QLCNIC_DUMP_L1_DATA, qlcnic_dump_l1_cache }, + { QLCNIC_DUMP_L1_INST, qlcnic_dump_l1_cache }, + { QLCNIC_DUMP_L2_DTAG, qlcnic_dump_l2_cache }, + { QLCNIC_DUMP_L2_ITAG, qlcnic_dump_l2_cache }, + { QLCNIC_DUMP_L2_DATA, qlcnic_dump_l2_cache }, + { QLCNIC_DUMP_L2_INST, qlcnic_dump_l2_cache }, + { QLCNIC_DUMP_READ_ROM, qlcnic_read_rom }, + { QLCNIC_DUMP_READ_MEM, qlcnic_read_memory }, + { QLCNIC_DUMP_READ_CTRL, qlcnic_dump_ctrl }, + { QLCNIC_DUMP_TLHDR, qlcnic_dump_nop }, + { QLCNIC_DUMP_RDEND, qlcnic_dump_nop }, +}; + +/* Walk the template and collect dump for each entry in the dump template */ +static int +qlcnic_valid_dump_entry(struct device *dev, struct qlcnic_dump_entry *entry, + u32 size) +{ + int ret = 1; + if (size != entry->hdr.cap_size) { + dev_info(dev, + "Invalidate dump, Type:%d\tMask:%d\tSize:%dCap_size:%d\n", + entry->hdr.type, entry->hdr.mask, size, entry->hdr.cap_size); + dev_info(dev, "Aborting further dump capture\n"); + ret = 0; + } + return ret; +} + +int qlcnic_dump_fw(struct qlcnic_adapter *adapter) +{ + u32 *buffer; + char mesg[64]; + char *msg[] = {mesg, NULL}; + int i, k, ops_cnt, ops_index, dump_size = 0; + u32 entry_offset, dump, no_entries, buf_offset = 0; + struct qlcnic_dump_entry *entry; + struct qlcnic_fw_dump *fw_dump = &adapter->ahw->fw_dump; + struct qlcnic_dump_template_hdr *tmpl_hdr = fw_dump->tmpl_hdr; + + if (fw_dump->clr) { + dev_info(&adapter->pdev->dev, + "Previous dump not cleared, not capturing dump\n"); + return -EIO; + } + /* Calculate the size for dump data area only */ + for (i = 2, k = 1; (i & QLCNIC_DUMP_MASK_MAX); i <<= 1, k++) + if (i & tmpl_hdr->drv_cap_mask) + dump_size += tmpl_hdr->cap_sizes[k]; + if (!dump_size) + return -EIO; + + fw_dump->data = vzalloc(dump_size); + if (!fw_dump->data) { + dev_info(&adapter->pdev->dev, + "Unable to allocate (%d KB) for fw dump\n", + dump_size/1024); + return -ENOMEM; + } + buffer = fw_dump->data; + fw_dump->size = dump_size; + no_entries = tmpl_hdr->num_entries; + ops_cnt = ARRAY_SIZE(fw_dump_ops); + entry_offset = tmpl_hdr->offset; + tmpl_hdr->sys_info[0] = QLCNIC_DRIVER_VERSION; + tmpl_hdr->sys_info[1] = adapter->fw_version; + + for (i = 0; i < no_entries; i++) { + entry = (void *)tmpl_hdr + entry_offset; + if (!(entry->hdr.mask & tmpl_hdr->drv_cap_mask)) { + entry->hdr.flags |= QLCNIC_DUMP_SKIP; + entry_offset += entry->hdr.offset; + continue; + } + /* Find the handler for this entry */ + ops_index = 0; + while (ops_index < ops_cnt) { + if (entry->hdr.type == fw_dump_ops[ops_index].opcode) + break; + ops_index++; + } + if (ops_index == ops_cnt) { + dev_info(&adapter->pdev->dev, + "Invalid entry type %d, exiting dump\n", + entry->hdr.type); + goto error; + } + /* Collect dump for this entry */ + dump = fw_dump_ops[ops_index].handler(adapter, entry, buffer); + if (dump && !qlcnic_valid_dump_entry(&adapter->pdev->dev, entry, + dump)) + entry->hdr.flags |= QLCNIC_DUMP_SKIP; + buf_offset += entry->hdr.cap_size; + entry_offset += entry->hdr.offset; + buffer = fw_dump->data + buf_offset; + } + if (dump_size != buf_offset) { + dev_info(&adapter->pdev->dev, + "Captured(%d) and expected size(%d) do not match\n", + buf_offset, dump_size); + goto error; + } else { + fw_dump->clr = 1; + snprintf(mesg, sizeof(mesg), "FW_DUMP=%s", + adapter->netdev->name); + dev_info(&adapter->pdev->dev, "Dump data, %d bytes captured\n", + fw_dump->size); + /* Send a udev event to notify availability of FW dump */ + kobject_uevent_env(&adapter->pdev->dev.kobj, KOBJ_CHANGE, msg); + return 0; + } +error: + vfree(fw_dump->data); + return -EINVAL; +} |