Added a new tx doorbell field in the uio path to work with new
bnx2x/cnic drivers that supports VF_RSS.
Signed-off-by: Eddie Wai <eddie....@broadcom.com>
---
iscsiuio/src/unix/libs/bnx2x.c | 13 ++++++++++---
iscsiuio/src/unix/libs/bnx2x.h | 9 ++++++++-
2 files changed, 18 insertions(+), 4 deletions(-)
diff --git a/iscsiuio/src/unix/libs/bnx2x.c b/iscsiuio/src/unix/libs/bnx2x.c
index 36fc48e..748b59d 100644
--- a/iscsiuio/src/unix/libs/bnx2x.c
+++ b/iscsiuio/src/unix/libs/bnx2x.c
@@ -900,8 +900,14 @@ static int bnx2x_open(nic_t *nic)
struct client_init_general_data *data = bp->bufs;
bp->client_id = data->client_id;
- if (data->reserved0)
- bp->cid = data->reserved0;
+ if (data->uid.cid)
+ bp->cid = data->uid.cid;
+ if (bp->version.minor >= 78 && bp->version.sub_minor >= 55 &&
+ data->uid.cid_override_key == UIO_USE_TX_DOORBELL) {
+ bp->tx_doorbell = data->uid.tx_db_off;
+ LOG_INFO(PFX "%s: tx doorbell override offset = 0x%x",
+ nic->log_name, bp->tx_doorbell);
+ }
}
LOG_INFO(PFX "%s: func 0x%x, pfid 0x%x, client_id 0x%x, cid 0x%x",
@@ -928,7 +934,8 @@ static int bnx2x_open(nic_t *nic)
USTORM_RX_PRODS_E2_OFFSET(cl_qzone_id) :
USTORM_RX_PRODS_E1X_OFFSET(bp->port, bp->client_id));
- bp->tx_doorbell = bp->cid * 0x80 + 0x40;
+ if (!bp->tx_doorbell)
+ bp->tx_doorbell = bp->cid * 0x80 + 0x40;
bp->get_rx_cons = bnx2x_get_rx_60;
bp->get_tx_cons = bnx2x_get_tx_60;
diff --git a/iscsiuio/src/unix/libs/bnx2x.h b/iscsiuio/src/unix/libs/bnx2x.h
index 0b74e44..ce55cfc 100644
--- a/iscsiuio/src/unix/libs/bnx2x.h
+++ b/iscsiuio/src/unix/libs/bnx2x.h
@@ -382,6 +382,13 @@ union eth_rx_cqe_70 {
struct eth_rx_cqe_next_page_70 next_page_cqe_70;
};
+struct uio_init_data {
+ __u32 cid;
+ __u32 tx_db_off;
+ __u32 cid_override_key;
+#define UIO_USE_TX_DOORBELL 0x017855DB
+};
+
struct client_init_general_data {
__u8 client_id;
__u8 statistics_counter_id;
@@ -394,7 +401,7 @@ struct client_init_general_data {
__u8 func_id;
__u8 cos;
__u8 traffic_type;
- __u32 reserved0;
+ struct uio_init_data uid;
};
/******************************************************************************
--
1.7.1
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