aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/net/ethernet
diff options
context:
space:
mode:
authorRam Amrani <Ram.Amrani@cavium.com>2017-04-30 11:49:10 +0300
committerDavid S. Miller <davem@davemloft.net>2017-05-01 11:42:15 -0400
commit20b1bd96e9f4feeffc9206284df3c6a4438e9ca8 (patch)
treee4281b8f40dcb0b027b79120aacb6d73d3d4cb6f /drivers/net/ethernet
parentqed: align DPI configuration to HW requirements (diff)
downloadlinux-dev-20b1bd96e9f4feeffc9206284df3c6a4438e9ca8.tar.xz
linux-dev-20b1bd96e9f4feeffc9206284df3c6a4438e9ca8.zip
qed: output the DPM status and WID count
Output to the RDMA driver whether DPM mode is enabled or disabled in the HW and if so what is the number of WIDs it supports Signed-off-by: Ram Amrani <Ram.Amrani@cavium.com> Signed-off-by: Yuval Mintz <Yuval.Mintz@cavium.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet')
-rw-r--r--drivers/net/ethernet/qlogic/qed/qed.h1
-rw-r--r--drivers/net/ethernet/qlogic/qed/qed_dev.c4
-rw-r--r--drivers/net/ethernet/qlogic/qed/qed_roce.c4
3 files changed, 8 insertions, 1 deletions
diff --git a/drivers/net/ethernet/qlogic/qed/qed.h b/drivers/net/ethernet/qlogic/qed/qed.h
index edf3b68bf935..2ab1aab7c3fe 100644
--- a/drivers/net/ethernet/qlogic/qed/qed.h
+++ b/drivers/net/ethernet/qlogic/qed/qed.h
@@ -526,6 +526,7 @@ struct qed_hwfn {
struct dbg_tools_data dbg_info;
/* PWM region specific data */
+ u16 wid_count;
u32 dpi_size;
u32 dpi_count;
diff --git a/drivers/net/ethernet/qlogic/qed/qed_dev.c b/drivers/net/ethernet/qlogic/qed/qed_dev.c
index c478e079b039..5f31140d0b77 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_dev.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_dev.c
@@ -1354,7 +1354,7 @@ qed_hw_init_pf_doorbell_bar(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
{
u32 pwm_regsize, norm_regsize;
u32 non_pwm_conn, min_addr_reg1;
- u32 db_bar_size, n_cpus;
+ u32 db_bar_size, n_cpus = 1;
u32 roce_edpm_mode;
u32 pf_dems_shift;
int rc = 0;
@@ -1415,6 +1415,8 @@ qed_hw_init_pf_doorbell_bar(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
qed_rdma_dpm_bar(p_hwfn, p_ptt);
}
+ p_hwfn->wid_count = (u16) n_cpus;
+
DP_INFO(p_hwfn,
"doorbell bar: normal_region_size=%d, pwm_region_size=%d, dpi_size=%d, dpi_count=%d, roce_edpm=%s\n",
norm_regsize,
diff --git a/drivers/net/ethernet/qlogic/qed/qed_roce.c b/drivers/net/ethernet/qlogic/qed/qed_roce.c
index 53f285e40e3d..56289d7cd306 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_roce.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_roce.c
@@ -784,6 +784,7 @@ static int qed_rdma_add_user(void *rdma_cxt,
((out_params->dpi) * p_hwfn->dpi_size);
out_params->dpi_size = p_hwfn->dpi_size;
+ out_params->wid_count = p_hwfn->wid_count;
DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "Adding user - done, rc = %d\n", rc);
return rc;
@@ -856,9 +857,12 @@ static void qed_rdma_cnq_prod_update(void *rdma_cxt, u8 qz_offset, u16 prod)
static int qed_fill_rdma_dev_info(struct qed_dev *cdev,
struct qed_dev_rdma_info *info)
{
+ struct qed_hwfn *p_hwfn = QED_LEADING_HWFN(cdev);
+
memset(info, 0, sizeof(*info));
info->rdma_type = QED_RDMA_TYPE_ROCE;
+ info->user_dpm_enabled = (p_hwfn->db_bar_no_edpm == 0);
qed_fill_dev_info(cdev, &info->common);