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path: root/drivers/net/ethernet/broadcom/bnxt/bnxt.c
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Diffstat (limited to 'drivers/net/ethernet/broadcom/bnxt/bnxt.c')
-rw-r--r--drivers/net/ethernet/broadcom/bnxt/bnxt.c199
1 files changed, 119 insertions, 80 deletions
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
index d28b406a26b1..fead64f1ad90 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
@@ -70,12 +70,8 @@
#define BNXT_TX_TIMEOUT (5 * HZ)
-static const char version[] =
- "Broadcom NetXtreme-C/E driver " DRV_MODULE_NAME " v" DRV_MODULE_VERSION "\n";
-
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("Broadcom BCM573xx network driver");
-MODULE_VERSION(DRV_MODULE_VERSION);
#define BNXT_RX_OFFSET (NET_SKB_PAD + NET_IP_ALIGN)
#define BNXT_RX_DMA_OFFSET NET_SKB_PAD
@@ -2166,6 +2162,7 @@ static int __bnxt_poll_work(struct bnxt *bp, struct bnxt_cp_ring_info *cpr,
struct tx_cmp *txcmp;
cpr->has_more_work = 0;
+ cpr->had_work_done = 1;
while (1) {
int rc;
@@ -2179,7 +2176,6 @@ static int __bnxt_poll_work(struct bnxt *bp, struct bnxt_cp_ring_info *cpr,
* reading any further.
*/
dma_rmb();
- cpr->had_work_done = 1;
if (TX_CMP_TYPE(txcmp) == CMP_TYPE_TX_L2_CMP) {
tx_pkts++;
/* return full budget so NAPI will complete. */
@@ -2396,7 +2392,7 @@ static int __bnxt_poll_cqs(struct bnxt *bp, struct bnxt_napi *bnapi, int budget)
}
static void __bnxt_poll_cqs_done(struct bnxt *bp, struct bnxt_napi *bnapi,
- u64 dbr_type, bool all)
+ u64 dbr_type)
{
struct bnxt_cp_ring_info *cpr = &bnapi->cp_ring;
int i;
@@ -2405,7 +2401,7 @@ static void __bnxt_poll_cqs_done(struct bnxt *bp, struct bnxt_napi *bnapi,
struct bnxt_cp_ring_info *cpr2 = cpr->cp_ring_arr[i];
struct bnxt_db_info *db;
- if (cpr2 && (all || cpr2->had_work_done)) {
+ if (cpr2 && cpr2->had_work_done) {
db = &cpr2->cp_db;
writeq(db->db_key64 | dbr_type |
RING_CMP(cpr2->cp_raw_cons), db->doorbell);
@@ -2428,22 +2424,16 @@ static int bnxt_poll_p5(struct napi_struct *napi, int budget)
if (cpr->has_more_work) {
cpr->has_more_work = 0;
work_done = __bnxt_poll_cqs(bp, bnapi, budget);
- if (cpr->has_more_work) {
- __bnxt_poll_cqs_done(bp, bnapi, DBR_TYPE_CQ, false);
- return work_done;
- }
- __bnxt_poll_cqs_done(bp, bnapi, DBR_TYPE_CQ_ARMALL, true);
- if (napi_complete_done(napi, work_done))
- BNXT_DB_NQ_ARM_P5(&cpr->cp_db, cpr->cp_raw_cons);
- return work_done;
}
while (1) {
cons = RING_CMP(raw_cons);
nqcmp = &cpr->nq_desc_ring[CP_RING(cons)][CP_IDX(cons)];
if (!NQ_CMP_VALID(nqcmp, raw_cons)) {
- __bnxt_poll_cqs_done(bp, bnapi, DBR_TYPE_CQ_ARMALL,
- false);
+ if (cpr->has_more_work)
+ break;
+
+ __bnxt_poll_cqs_done(bp, bnapi, DBR_TYPE_CQ_ARMALL);
cpr->cp_raw_cons = raw_cons;
if (napi_complete_done(napi, work_done))
BNXT_DB_NQ_ARM_P5(&cpr->cp_db,
@@ -2463,16 +2453,17 @@ static int bnxt_poll_p5(struct napi_struct *napi, int budget)
cpr2 = cpr->cp_ring_arr[idx];
work_done += __bnxt_poll_work(bp, cpr2,
budget - work_done);
- cpr->has_more_work = cpr2->has_more_work;
+ cpr->has_more_work |= cpr2->has_more_work;
} else {
bnxt_hwrm_handler(bp, (struct tx_cmp *)nqcmp);
}
raw_cons = NEXT_RAW_CMP(raw_cons);
- if (cpr->has_more_work)
- break;
}
- __bnxt_poll_cqs_done(bp, bnapi, DBR_TYPE_CQ, true);
- cpr->cp_raw_cons = raw_cons;
+ __bnxt_poll_cqs_done(bp, bnapi, DBR_TYPE_CQ);
+ if (raw_cons != cpr->cp_raw_cons) {
+ cpr->cp_raw_cons = raw_cons;
+ BNXT_DB_NQ_P5(&cpr->cp_db, raw_cons);
+ }
return work_done;
}
@@ -4170,6 +4161,7 @@ static int bnxt_hwrm_to_stderr(u32 hwrm_err)
case HWRM_ERR_CODE_NO_BUFFER:
return -ENOMEM;
case HWRM_ERR_CODE_HOT_RESET_PROGRESS:
+ case HWRM_ERR_CODE_BUSY:
return -EAGAIN;
case HWRM_ERR_CODE_CMD_NOT_SUPPORTED:
return -EOPNOTSUPP;
@@ -5069,10 +5061,8 @@ vnic_mru:
return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
}
-static int bnxt_hwrm_vnic_free_one(struct bnxt *bp, u16 vnic_id)
+static void bnxt_hwrm_vnic_free_one(struct bnxt *bp, u16 vnic_id)
{
- u32 rc = 0;
-
if (bp->vnic_info[vnic_id].fw_vnic_id != INVALID_HW_RING_ID) {
struct hwrm_vnic_free_input req = {0};
@@ -5080,10 +5070,9 @@ static int bnxt_hwrm_vnic_free_one(struct bnxt *bp, u16 vnic_id)
req.vnic_id =
cpu_to_le32(bp->vnic_info[vnic_id].fw_vnic_id);
- rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
+ hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
bp->vnic_info[vnic_id].fw_vnic_id = INVALID_HW_RING_ID;
}
- return rc;
}
static void bnxt_hwrm_vnic_free(struct bnxt *bp)
@@ -5200,14 +5189,13 @@ static int bnxt_hwrm_ring_grp_alloc(struct bnxt *bp)
return rc;
}
-static int bnxt_hwrm_ring_grp_free(struct bnxt *bp)
+static void bnxt_hwrm_ring_grp_free(struct bnxt *bp)
{
u16 i;
- u32 rc = 0;
struct hwrm_ring_grp_free_input req = {0};
if (!bp->grp_info || (bp->flags & BNXT_FLAG_CHIP_P5))
- return 0;
+ return;
bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_RING_GRP_FREE, -1, -1);
@@ -5218,12 +5206,10 @@ static int bnxt_hwrm_ring_grp_free(struct bnxt *bp)
req.ring_group_id =
cpu_to_le32(bp->grp_info[i].fw_grp_id);
- rc = _hwrm_send_message(bp, &req, sizeof(req),
- HWRM_CMD_TIMEOUT);
+ _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
bp->grp_info[i].fw_grp_id = INVALID_HW_RING_ID;
}
mutex_unlock(&bp->hwrm_cmd_lock);
- return rc;
}
static int hwrm_ring_alloc_send_msg(struct bnxt *bp,
@@ -5847,8 +5833,7 @@ bnxt_hwrm_reserve_pf_rings(struct bnxt *bp, int tx_rings, int rx_rings,
if (bp->hwrm_spec_code < 0x10601)
bp->hw_resc.resv_tx_rings = tx_rings;
- rc = bnxt_hwrm_get_rings(bp);
- return rc;
+ return bnxt_hwrm_get_rings(bp);
}
static int
@@ -5869,8 +5854,7 @@ bnxt_hwrm_reserve_vf_rings(struct bnxt *bp, int tx_rings, int rx_rings,
if (rc)
return rc;
- rc = bnxt_hwrm_get_rings(bp);
- return rc;
+ return bnxt_hwrm_get_rings(bp);
}
static int bnxt_hwrm_reserve_rings(struct bnxt *bp, int tx, int rx, int grp,
@@ -6030,7 +6014,6 @@ static int bnxt_hwrm_check_vf_rings(struct bnxt *bp, int tx_rings, int rx_rings,
{
struct hwrm_func_vf_cfg_input req = {0};
u32 flags;
- int rc;
if (!BNXT_NEW_RM(bp))
return 0;
@@ -6047,8 +6030,8 @@ static int bnxt_hwrm_check_vf_rings(struct bnxt *bp, int tx_rings, int rx_rings,
flags |= FUNC_VF_CFG_REQ_FLAGS_RING_GRP_ASSETS_TEST;
req.flags = cpu_to_le32(flags);
- rc = hwrm_send_message_silent(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
- return rc;
+ return hwrm_send_message_silent(bp, &req, sizeof(req),
+ HWRM_CMD_TIMEOUT);
}
static int bnxt_hwrm_check_pf_rings(struct bnxt *bp, int tx_rings, int rx_rings,
@@ -6057,7 +6040,6 @@ static int bnxt_hwrm_check_pf_rings(struct bnxt *bp, int tx_rings, int rx_rings,
{
struct hwrm_func_cfg_input req = {0};
u32 flags;
- int rc;
__bnxt_hwrm_reserve_pf_rings(bp, &req, tx_rings, rx_rings, ring_grps,
cp_rings, stats, vnics);
@@ -6075,8 +6057,8 @@ static int bnxt_hwrm_check_pf_rings(struct bnxt *bp, int tx_rings, int rx_rings,
}
req.flags = cpu_to_le32(flags);
- rc = hwrm_send_message_silent(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
- return rc;
+ return hwrm_send_message_silent(bp, &req, sizeof(req),
+ HWRM_CMD_TIMEOUT);
}
static int bnxt_hwrm_check_rings(struct bnxt *bp, int tx_rings, int rx_rings,
@@ -6315,16 +6297,16 @@ int bnxt_hwrm_set_coal(struct bnxt *bp)
return rc;
}
-static int bnxt_hwrm_stat_ctx_free(struct bnxt *bp)
+static void bnxt_hwrm_stat_ctx_free(struct bnxt *bp)
{
- int rc = 0, i;
struct hwrm_stat_ctx_free_input req = {0};
+ int i;
if (!bp->bnapi)
- return 0;
+ return;
if (BNXT_CHIP_TYPE_NITRO_A0(bp))
- return 0;
+ return;
bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_STAT_CTX_FREE, -1, -1);
@@ -6336,14 +6318,13 @@ static int bnxt_hwrm_stat_ctx_free(struct bnxt *bp)
if (cpr->hw_stats_ctx_id != INVALID_STATS_CTX_ID) {
req.stat_ctx_id = cpu_to_le32(cpr->hw_stats_ctx_id);
- rc = _hwrm_send_message(bp, &req, sizeof(req),
- HWRM_CMD_TIMEOUT);
+ _hwrm_send_message(bp, &req, sizeof(req),
+ HWRM_CMD_TIMEOUT);
cpr->hw_stats_ctx_id = INVALID_STATS_CTX_ID;
}
}
mutex_unlock(&bp->hwrm_cmd_lock);
- return rc;
}
static int bnxt_hwrm_stat_ctx_alloc(struct bnxt *bp)
@@ -6548,8 +6529,8 @@ static int bnxt_hwrm_func_backing_store_cfg(struct bnxt *bp, u32 enables)
__le64 *pg_dir;
u32 flags = 0;
u8 *pg_attr;
- int i, rc;
u32 ena;
+ int i;
if (!ctx)
return 0;
@@ -6636,8 +6617,7 @@ static int bnxt_hwrm_func_backing_store_cfg(struct bnxt *bp, u32 enables)
bnxt_hwrm_set_pg_attr(&ctx_pg->ring_mem, pg_attr, pg_dir);
}
req.flags = cpu_to_le32(flags);
- rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
- return rc;
+ return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
}
static int bnxt_alloc_ctx_mem_blk(struct bnxt *bp,
@@ -7243,7 +7223,7 @@ static int __bnxt_hwrm_ver_get(struct bnxt *bp, bool silent)
static int bnxt_hwrm_ver_get(struct bnxt *bp)
{
struct hwrm_ver_get_output *resp = bp->hwrm_cmd_resp_addr;
- u32 dev_caps_cfg;
+ u32 dev_caps_cfg, hwrm_ver;
int rc;
bp->hwrm_max_req_len = HWRM_MAX_REQ_LEN;
@@ -7263,6 +7243,19 @@ static int bnxt_hwrm_ver_get(struct bnxt *bp)
resp->hwrm_intf_upd_8b);
netdev_warn(bp->dev, "Please update firmware with HWRM interface 1.0.0 or newer.\n");
}
+
+ hwrm_ver = HWRM_VERSION_MAJOR << 16 | HWRM_VERSION_MINOR << 8 |
+ HWRM_VERSION_UPDATE;
+
+ if (bp->hwrm_spec_code > hwrm_ver)
+ snprintf(bp->hwrm_ver_supp, FW_VER_STR_LEN, "%d.%d.%d",
+ HWRM_VERSION_MAJOR, HWRM_VERSION_MINOR,
+ HWRM_VERSION_UPDATE);
+ else
+ snprintf(bp->hwrm_ver_supp, FW_VER_STR_LEN, "%d.%d.%d",
+ resp->hwrm_intf_maj_8b, resp->hwrm_intf_min_8b,
+ resp->hwrm_intf_upd_8b);
+
snprintf(bp->fw_ver_str, BC_HWRM_STR_LEN, "%d.%d.%d.%d",
resp->hwrm_fw_maj_8b, resp->hwrm_fw_min_8b,
resp->hwrm_fw_bld_8b, resp->hwrm_fw_rsvd_8b);
@@ -7341,7 +7334,6 @@ int bnxt_hwrm_fw_set_time(struct bnxt *bp)
static int bnxt_hwrm_port_qstats(struct bnxt *bp)
{
- int rc;
struct bnxt_pf_info *pf = &bp->pf;
struct hwrm_port_qstats_input req = {0};
@@ -7352,8 +7344,7 @@ static int bnxt_hwrm_port_qstats(struct bnxt *bp)
req.port_id = cpu_to_le16(pf->port_id);
req.tx_stat_host_addr = cpu_to_le64(bp->hw_tx_port_stats_map);
req.rx_stat_host_addr = cpu_to_le64(bp->hw_rx_port_stats_map);
- rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
- return rc;
+ return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
}
static int bnxt_hwrm_port_qstats_ext(struct bnxt *bp)
@@ -7515,7 +7506,6 @@ static void bnxt_hwrm_resource_free(struct bnxt *bp, bool close_path,
static int bnxt_hwrm_set_br_mode(struct bnxt *bp, u16 br_mode)
{
struct hwrm_func_cfg_input req = {0};
- int rc;
bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FUNC_CFG, -1, -1);
req.fid = cpu_to_le16(0xffff);
@@ -7526,14 +7516,12 @@ static int bnxt_hwrm_set_br_mode(struct bnxt *bp, u16 br_mode)
req.evb_mode = FUNC_CFG_REQ_EVB_MODE_VEPA;
else
return -EINVAL;
- rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
- return rc;
+ return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
}
static int bnxt_hwrm_set_cache_line_size(struct bnxt *bp, int size)
{
struct hwrm_func_cfg_input req = {0};
- int rc;
if (BNXT_VF(bp) || bp->hwrm_spec_code < 0x10803)
return 0;
@@ -7545,8 +7533,7 @@ static int bnxt_hwrm_set_cache_line_size(struct bnxt *bp, int size)
if (size == 128)
req.options = FUNC_CFG_REQ_OPTIONS_CACHE_LINESIZE_SIZE_128;
- rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
- return rc;
+ return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
}
static int __bnxt_setup_vnic(struct bnxt *bp, u16 vnic_id)
@@ -8804,6 +8791,7 @@ static int bnxt_hwrm_if_change(struct bnxt *bp, bool up)
bnxt_free_ctx_mem(bp);
kfree(bp->ctx);
bp->ctx = NULL;
+ bnxt_dcb_free(bp);
rc = bnxt_fw_init_one(bp);
if (rc) {
set_bit(BNXT_STATE_ABORT_ERR, &bp->state);
@@ -8899,14 +8887,12 @@ int bnxt_hwrm_alloc_wol_fltr(struct bnxt *bp)
int bnxt_hwrm_free_wol_fltr(struct bnxt *bp)
{
struct hwrm_wol_filter_free_input req = {0};
- int rc;
bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_WOL_FILTER_FREE, -1, -1);
req.port_id = cpu_to_le16(bp->pf.port_id);
req.enables = cpu_to_le32(WOL_FILTER_FREE_REQ_ENABLES_WOL_FILTER_ID);
req.wol_filter_id = bp->wol_filter_id;
- rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
- return rc;
+ return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
}
static u16 bnxt_hwrm_get_wol_fltrs(struct bnxt *bp, u16 handle)
@@ -11464,6 +11450,8 @@ static void bnxt_remove_one(struct pci_dev *pdev)
bnxt_sriov_disable(bp);
bnxt_dl_fw_reporters_destroy(bp, true);
+ if (BNXT_PF(bp))
+ devlink_port_type_clear(&bp->dl_port);
pci_disable_pcie_error_reporting(pdev);
unregister_netdev(dev);
bnxt_dl_unregister(bp);
@@ -11764,30 +11752,82 @@ static int bnxt_init_mac_addr(struct bnxt *bp)
return rc;
}
+#define BNXT_VPD_LEN 512
+static void bnxt_vpd_read_info(struct bnxt *bp)
+{
+ struct pci_dev *pdev = bp->pdev;
+ int i, len, pos, ro_size;
+ ssize_t vpd_size;
+ u8 *vpd_data;
+
+ vpd_data = kmalloc(BNXT_VPD_LEN, GFP_KERNEL);
+ if (!vpd_data)
+ return;
+
+ vpd_size = pci_read_vpd(pdev, 0, BNXT_VPD_LEN, vpd_data);
+ if (vpd_size <= 0) {
+ netdev_err(bp->dev, "Unable to read VPD\n");
+ goto exit;
+ }
+
+ i = pci_vpd_find_tag(vpd_data, 0, vpd_size, PCI_VPD_LRDT_RO_DATA);
+ if (i < 0) {
+ netdev_err(bp->dev, "VPD READ-Only not found\n");
+ goto exit;
+ }
+
+ ro_size = pci_vpd_lrdt_size(&vpd_data[i]);
+ i += PCI_VPD_LRDT_TAG_SIZE;
+ if (i + ro_size > vpd_size)
+ goto exit;
+
+ pos = pci_vpd_find_info_keyword(vpd_data, i, ro_size,
+ PCI_VPD_RO_KEYWORD_PARTNO);
+ if (pos < 0)
+ goto read_sn;
+
+ len = pci_vpd_info_field_size(&vpd_data[pos]);
+ pos += PCI_VPD_INFO_FLD_HDR_SIZE;
+ if (len + pos > vpd_size)
+ goto read_sn;
+
+ strlcpy(bp->board_partno, &vpd_data[pos], min(len, BNXT_VPD_FLD_LEN));
+
+read_sn:
+ pos = pci_vpd_find_info_keyword(vpd_data, i, ro_size,
+ PCI_VPD_RO_KEYWORD_SERIALNO);
+ if (pos < 0)
+ goto exit;
+
+ len = pci_vpd_info_field_size(&vpd_data[pos]);
+ pos += PCI_VPD_INFO_FLD_HDR_SIZE;
+ if (len + pos > vpd_size)
+ goto exit;
+
+ strlcpy(bp->board_serialno, &vpd_data[pos], min(len, BNXT_VPD_FLD_LEN));
+exit:
+ kfree(vpd_data);
+}
+
static int bnxt_pcie_dsn_get(struct bnxt *bp, u8 dsn[])
{
struct pci_dev *pdev = bp->pdev;
- int pos = pci_find_ext_capability(pdev, PCI_EXT_CAP_ID_DSN);
- u32 dw;
+ u64 qword;
- if (!pos) {
- netdev_info(bp->dev, "Unable do read adapter's DSN\n");
+ qword = pci_get_dsn(pdev);
+ if (!qword) {
+ netdev_info(bp->dev, "Unable to read adapter's DSN\n");
return -EOPNOTSUPP;
}
- /* DSN (two dw) is at an offset of 4 from the cap pos */
- pos += 4;
- pci_read_config_dword(pdev, pos, &dw);
- put_unaligned_le32(dw, &dsn[0]);
- pci_read_config_dword(pdev, pos + 4, &dw);
- put_unaligned_le32(dw, &dsn[4]);
+ put_unaligned_le64(qword, dsn);
+
bp->flags |= BNXT_FLAG_DSN_VALID;
return 0;
}
static int bnxt_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
{
- static int version_printed;
struct net_device *dev;
struct bnxt *bp;
int rc, max_irqs;
@@ -11795,9 +11835,6 @@ static int bnxt_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
if (pci_is_bridge(pdev))
return -ENODEV;
- if (version_printed++ == 0)
- pr_info("%s", version);
-
/* Clear any pending DMA transactions from crash kernel
* while loading driver in capture kernel.
*/
@@ -11829,6 +11866,8 @@ static int bnxt_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
dev->ethtool_ops = &bnxt_ethtool_ops;
pci_set_drvdata(pdev, dev);
+ bnxt_vpd_read_info(bp);
+
rc = bnxt_alloc_hwrm_resources(bp);
if (rc)
goto init_err_pci_clean;