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Date: Thu, 29 Dec 2016 12:13:36 -0500
From: Michael Chan <michael.chan@...adcom.com>
To: davem@...emloft.net
Cc: netdev@...r.kernel.org
Subject: [PATCH net-next 06/14] bnxt_en: Add function to get vnic capability.
The new vnic RSS capability will enhance NTUPLE support, to be added
in subsequent patches.
Signed-off-by: Michael Chan <michael.chan@...adcom.com>
---
drivers/net/ethernet/broadcom/bnxt/bnxt.c | 22 +++++++++++++++++
drivers/net/ethernet/broadcom/bnxt/bnxt.h | 1 +
drivers/net/ethernet/broadcom/bnxt/bnxt_hsi.h | 34 +++++++++++++++++++++++++++
3 files changed, 57 insertions(+)
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
index 0654c3f..9168326 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
@@ -3665,6 +3665,27 @@ static int bnxt_hwrm_vnic_alloc(struct bnxt *bp, u16 vnic_id,
return rc;
}
+static int bnxt_hwrm_vnic_qcaps(struct bnxt *bp)
+{
+ struct hwrm_vnic_qcaps_output *resp = bp->hwrm_cmd_resp_addr;
+ struct hwrm_vnic_qcaps_input req = {0};
+ int rc;
+
+ if (bp->hwrm_spec_code < 0x10600)
+ return 0;
+
+ bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_VNIC_QCAPS, -1, -1);
+ mutex_lock(&bp->hwrm_cmd_lock);
+ rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
+ if (!rc) {
+ if (resp->flags &
+ cpu_to_le32(VNIC_QCAPS_RESP_FLAGS_RSS_DFLT_CR_CAP))
+ bp->flags |= BNXT_FLAG_NEW_RSS_CAP;
+ }
+ mutex_unlock(&bp->hwrm_cmd_lock);
+ return rc;
+}
+
static int bnxt_hwrm_ring_grp_alloc(struct bnxt *bp)
{
u16 i;
@@ -7070,6 +7091,7 @@ static int bnxt_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV6;
}
+ bnxt_hwrm_vnic_qcaps(bp);
if (BNXT_PF(bp) && !BNXT_CHIP_TYPE_NITRO_A0(bp)) {
dev->hw_features |= NETIF_F_NTUPLE;
if (bnxt_rfs_capable(bp)) {
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.h b/drivers/net/ethernet/broadcom/bnxt/bnxt.h
index 0eb6401..80bf1ab 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.h
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.h
@@ -944,6 +944,7 @@ struct bnxt {
#define BNXT_FLAG_PORT_STATS 0x400
#define BNXT_FLAG_UDP_RSS_CAP 0x800
#define BNXT_FLAG_EEE_CAP 0x1000
+ #define BNXT_FLAG_NEW_RSS_CAP 0x2000
#define BNXT_FLAG_ROCEV1_CAP 0x8000
#define BNXT_FLAG_ROCEV2_CAP 0x10000
#define BNXT_FLAG_ROCE_CAP (BNXT_FLAG_ROCEV1_CAP | \
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_hsi.h b/drivers/net/ethernet/broadcom/bnxt/bnxt_hsi.h
index 2ddfa51..d0d49ed 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt_hsi.h
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_hsi.h
@@ -2797,6 +2797,40 @@ struct hwrm_vnic_cfg_output {
u8 valid;
};
+/* hwrm_vnic_qcaps */
+/* Input (24 bytes) */
+struct hwrm_vnic_qcaps_input {
+ __le16 req_type;
+ __le16 cmpl_ring;
+ __le16 seq_id;
+ __le16 target_id;
+ __le64 resp_addr;
+ __le32 enables;
+ __le32 unused_0;
+};
+
+/* Output (24 bytes) */
+struct hwrm_vnic_qcaps_output {
+ __le16 error_code;
+ __le16 req_type;
+ __le16 seq_id;
+ __le16 resp_len;
+ __le16 mru;
+ u8 unused_0;
+ u8 unused_1;
+ __le32 flags;
+ #define VNIC_QCAPS_RESP_FLAGS_VLAN_STRIP_CAP 0x2UL
+ #define VNIC_QCAPS_RESP_FLAGS_BD_STALL_CAP 0x4UL
+ #define VNIC_QCAPS_RESP_FLAGS_ROCE_DUAL_VNIC_CAP 0x8UL
+ #define VNIC_QCAPS_RESP_FLAGS_ROCE_ONLY_VNIC_CAP 0x10UL
+ #define VNIC_QCAPS_RESP_FLAGS_RSS_DFLT_CR_CAP 0x20UL
+ __le32 unused_2;
+ u8 unused_3;
+ u8 unused_4;
+ u8 unused_5;
+ u8 valid;
+};
+
/* hwrm_vnic_tpa_cfg */
/* Input (40 bytes) */
struct hwrm_vnic_tpa_cfg_input {
--
1.8.3.1
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