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authorVasundhara Volam <vasundhara-v.volam@broadcom.com>2018-12-16 18:46:22 -0500
committerDavid S. Miller <davem@davemloft.net>2018-12-17 23:08:53 -0800
commitf4e896142de8304b433fd94f7eed55750c34defd (patch)
treea4555c4d9a38e604a7ecdb36cbf8046f9398ba87 /drivers/net
parentbnxt_en: get rid of num_stat_ctxs variable (diff)
downloadlinux-dev-f4e896142de8304b433fd94f7eed55750c34defd.tar.xz
linux-dev-f4e896142de8304b433fd94f7eed55750c34defd.zip
bnxt_en: Do not modify max_stat_ctxs after RDMA driver requests/frees stat_ctxs
Calling bnxt_set_max_func_stat_ctxs() to modify max stat_ctxs requested or freed by the RDMA driver is wrong. After introducing reservation of resources recently, the driver has to keep track of all stat_ctxs including the ones used by the RDMA driver. This will provide a better foundation for accurate accounting of the stat_ctxs. Signed-off-by: Vasundhara Volam <vasundhara-v.volam@broadcom.com> Signed-off-by: Michael Chan <michael.chan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/ethernet/broadcom/bnxt/bnxt.c5
-rw-r--r--drivers/net/ethernet/broadcom/bnxt/bnxt.h1
-rw-r--r--drivers/net/ethernet/broadcom/bnxt/bnxt_ulp.c11
3 files changed, 2 insertions, 15 deletions
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
index 8d6c811b5428..a3410e5efe96 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
@@ -7035,11 +7035,6 @@ unsigned int bnxt_get_max_func_stat_ctxs(struct bnxt *bp)
return bp->hw_resc.max_stat_ctxs;
}
-void bnxt_set_max_func_stat_ctxs(struct bnxt *bp, unsigned int max)
-{
- bp->hw_resc.max_stat_ctxs = max;
-}
-
unsigned int bnxt_get_max_func_cp_rings(struct bnxt *bp)
{
return bp->hw_resc.max_cp_rings;
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.h b/drivers/net/ethernet/broadcom/bnxt/bnxt.h
index df9a80973258..4f4dfe8e227a 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.h
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.h
@@ -1687,7 +1687,6 @@ int bnxt_hwrm_vnic_cfg(struct bnxt *bp, u16 vnic_id);
int __bnxt_hwrm_get_tx_rings(struct bnxt *bp, u16 fid, int *tx_rings);
int bnxt_hwrm_set_coal(struct bnxt *);
unsigned int bnxt_get_max_func_stat_ctxs(struct bnxt *bp);
-void bnxt_set_max_func_stat_ctxs(struct bnxt *bp, unsigned int max);
unsigned int bnxt_get_avail_stat_ctxs_for_en(struct bnxt *bp);
unsigned int bnxt_get_max_func_cp_rings(struct bnxt *bp);
unsigned int bnxt_get_avail_cp_rings_for_en(struct bnxt *bp);
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_ulp.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_ulp.c
index 8ef71a001ebc..ea45a9b8179e 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt_ulp.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_ulp.c
@@ -50,8 +50,6 @@ static int bnxt_register_dev(struct bnxt_en_dev *edev, int ulp_id,
if (max_stat_ctxs <= BNXT_MIN_ROCE_STAT_CTXS ||
bp->cp_nr_rings == max_stat_ctxs)
return -ENOMEM;
- bnxt_set_max_func_stat_ctxs(bp, max_stat_ctxs -
- BNXT_MIN_ROCE_STAT_CTXS);
}
atomic_set(&ulp->ref_count, 0);
@@ -82,14 +80,9 @@ static int bnxt_unregister_dev(struct bnxt_en_dev *edev, int ulp_id)
netdev_err(bp->dev, "ulp id %d not registered\n", ulp_id);
return -EINVAL;
}
- if (ulp_id == BNXT_ROCE_ULP) {
- unsigned int max_stat_ctxs;
+ if (ulp_id == BNXT_ROCE_ULP && ulp->msix_requested)
+ edev->en_ops->bnxt_free_msix(edev, ulp_id);
- max_stat_ctxs = bnxt_get_max_func_stat_ctxs(bp);
- bnxt_set_max_func_stat_ctxs(bp, max_stat_ctxs + 1);
- if (ulp->msix_requested)
- edev->en_ops->bnxt_free_msix(edev, ulp_id);
- }
if (ulp->max_async_event_id)
bnxt_hwrm_func_rgtr_async_events(bp, NULL, 0);