net/bnxt: fix initialization

During initialization sequence in bnxt_alloc_mem()
if bnxt_alloc_async_cp_ring() fails, driver invokes bnxt_free_mem()
which in turn call bnxt_free_vnic_mem() which causes the error logs
"bnxt_free_vnic_mem(): VNIC is not freed yet!". This is because
vnic memory is allocated but not initialized yet.

Fix this by moving bnxt_init_vnics() from bnxt_init_nic() to
bnxt_alloc_vnic_mem(). Also get rid of bnxt_init_nic() as the
initialization is done in respective functions now.

Fixes: 1bf01f5135f8 ("net/bnxt: prevent device access when device is in reset")

Signed-off-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com>
Reviewed-by: Santoshkumar Karanappa Rastapur <santosh.rastapur@broadcom.com>
Reviewed-by: Ajit Khaparde <ajit.khaparde@broadcom.com>

diff --git a/drivers/net/bnxt/bnxt_ethdev.c b/drivers/net/bnxt/bnxt_ethdev.c
index a1e9c70..74388f2 100644 (file)
--- a/drivers/net/bnxt/bnxt_ethdev.c
+++ b/drivers/net/bnxt/bnxt_ethdev.c
@@ -479,22 +479,6 @@ static int bnxt_shutdown_nic(struct bnxt *bp)
        return 0;
 }
 
-static int bnxt_init_nic(struct bnxt *bp)
-{
-       int rc;
-
-       if (BNXT_HAS_RING_GRPS(bp)) {
-               rc = bnxt_init_ring_grps(bp);
-               if (rc)
-                       return rc;
-       }
-
-       bnxt_init_vnics(bp);
-       bnxt_init_filters(bp);
-
-       return 0;
-}
-
 /*
  * Device configuration and status function
  */
@@ -4662,8 +4646,6 @@ static int bnxt_init_resources(struct bnxt *bp, bool reconfig_dev)
        if (rc)
                return rc;
 
-       bnxt_init_nic(bp);
-
        rc = bnxt_request_int(bp);
        if (rc)
                return rc;

diff --git a/drivers/net/bnxt/bnxt_filter.c b/drivers/net/bnxt/bnxt_filter.c
index 7e29468..da1a6c2 100644 (file)
--- a/drivers/net/bnxt/bnxt_filter.c
+++ b/drivers/net/bnxt/bnxt_filter.c
@@ -61,7 +61,7 @@ struct bnxt_filter_info *bnxt_alloc_vf_filter(struct bnxt *bp, uint16_t vf)
        return filter;
 }
 
-void bnxt_init_filters(struct bnxt *bp)
+static void bnxt_init_filters(struct bnxt *bp)
 {
        struct bnxt_filter_info *filter;
        int i, max_filters;
@@ -171,6 +171,7 @@ int bnxt_alloc_filter_mem(struct bnxt *bp)
                return -ENOMEM;
        }
        bp->filter_info = filter_mem;
+       bnxt_init_filters(bp);
        return 0;
 }
 

diff --git a/drivers/net/bnxt/bnxt_filter.h b/drivers/net/bnxt/bnxt_filter.h
index 7415b36..9db3e74 100644 (file)
--- a/drivers/net/bnxt/bnxt_filter.h
+++ b/drivers/net/bnxt/bnxt_filter.h
@@ -81,7 +81,6 @@ struct bnxt_filter_info {
 
 struct bnxt_filter_info *bnxt_alloc_filter(struct bnxt *bp);
 struct bnxt_filter_info *bnxt_alloc_vf_filter(struct bnxt *bp, uint16_t vf);
-void bnxt_init_filters(struct bnxt *bp);
 void bnxt_free_all_filters(struct bnxt *bp);
 void bnxt_free_filter_mem(struct bnxt *bp);
 int bnxt_alloc_filter_mem(struct bnxt *bp);

diff --git a/drivers/net/bnxt/bnxt_ring.c b/drivers/net/bnxt/bnxt_ring.c
index 0a182d3..ea46fa9 100644 (file)
--- a/drivers/net/bnxt/bnxt_ring.c
+++ b/drivers/net/bnxt/bnxt_ring.c
@@ -38,15 +38,13 @@ void bnxt_free_ring(struct bnxt_ring *ring)
  * Ring groups
  */
 
-int bnxt_init_ring_grps(struct bnxt *bp)
+static void bnxt_init_ring_grps(struct bnxt *bp)
 {
        unsigned int i;
 
        for (i = 0; i < bp->max_ring_grps; i++)
                memset(&bp->grp_info[i], (uint8_t)HWRM_NA_SIGNATURE,
                       sizeof(struct bnxt_ring_grp_info));
-
-       return 0;
 }
 
 int bnxt_alloc_ring_grps(struct bnxt *bp)
@@ -76,6 +74,7 @@ int bnxt_alloc_ring_grps(struct bnxt *bp)
                                    "Failed to alloc grp info tbl.\n");
                        return -ENOMEM;
                }
+               bnxt_init_ring_grps(bp);
        }
 
        return 0;

diff --git a/drivers/net/bnxt/bnxt_ring.h b/drivers/net/bnxt/bnxt_ring.h
index 8331183..48a39d7 100644 (file)
--- a/drivers/net/bnxt/bnxt_ring.h
+++ b/drivers/net/bnxt/bnxt_ring.h
@@ -65,7 +65,6 @@ struct bnxt_tx_ring_info;
 struct bnxt_rx_ring_info;
 struct bnxt_cp_ring_info;
 void bnxt_free_ring(struct bnxt_ring *ring);
-int bnxt_init_ring_grps(struct bnxt *bp);
 int bnxt_alloc_ring_grps(struct bnxt *bp);
 int bnxt_alloc_rings(struct bnxt *bp, uint16_t qidx,
                            struct bnxt_tx_queue *txq,

diff --git a/drivers/net/bnxt/bnxt_vnic.c b/drivers/net/bnxt/bnxt_vnic.c
index 2f0ed10..412a53d 100644 (file)
--- a/drivers/net/bnxt/bnxt_vnic.c
+++ b/drivers/net/bnxt/bnxt_vnic.c
@@ -35,7 +35,7 @@ void prandom_bytes(void *dest_ptr, size_t len)
        }
 }
 
-void bnxt_init_vnics(struct bnxt *bp)
+static void bnxt_init_vnics(struct bnxt *bp)
 {
        struct bnxt_vnic_info *vnic;
        uint16_t max_vnics;
@@ -52,7 +52,6 @@ void bnxt_init_vnics(struct bnxt *bp)
                vnic->hash_mode =
                        HWRM_VNIC_RSS_CFG_INPUT_HASH_MODE_FLAGS_DEFAULT;
 
-               prandom_bytes(vnic->rss_hash_key, HW_HASH_KEY_SIZE);
                STAILQ_INIT(&vnic->filter);
                STAILQ_INIT(&vnic->flow_list);
                STAILQ_INSERT_TAIL(&bp->free_vnic_list, vnic, next);
@@ -179,6 +178,7 @@ int bnxt_alloc_vnic_attributes(struct bnxt *bp)
                                HW_HASH_KEY_SIZE);
                vnic->mc_list_dma_addr = vnic->rss_hash_key_dma_addr +
                                HW_HASH_KEY_SIZE;
+               prandom_bytes(vnic->rss_hash_key, HW_HASH_KEY_SIZE);
        }
 
        return 0;
@@ -220,6 +220,7 @@ int bnxt_alloc_vnic_mem(struct bnxt *bp)
                return -ENOMEM;
        }
        bp->vnic_info = vnic_mem;
+       bnxt_init_vnics(bp);
        return 0;
 }
 

diff --git a/drivers/net/bnxt/bnxt_vnic.h b/drivers/net/bnxt/bnxt_vnic.h
index 4f760e0..a372b89 100644 (file)
--- a/drivers/net/bnxt/bnxt_vnic.h
+++ b/drivers/net/bnxt/bnxt_vnic.h
@@ -58,7 +58,6 @@ struct bnxt_vnic_info {
 };
 
 struct bnxt;
-void bnxt_init_vnics(struct bnxt *bp);
 int bnxt_free_vnic(struct bnxt *bp, struct bnxt_vnic_info *vnic,
                          int pool);
 struct bnxt_vnic_info *bnxt_alloc_vnic(struct bnxt *bp);