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From: Ajit Khaparde <ajit.khaparde@broadcom.com>
To: dev@dpdk.org
Cc: ferruh.yigit@intel.com
Date: Mon, 8 Jan 2018 12:24:28 -0800
Message-Id: <20180108202437.56305-5-ajit.khaparde@broadcom.com>
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Subject: [dpdk-dev] [PATCH 04/13] net/bnxt: fix grp_info usage
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Ring groups is a Rx only attribute. Make sure there are sufficient
ring groups available. Return an error if they are not available.
Signed-off-by: Ajit Khaparde <ajit.khaparde@broadcom.com>
---
drivers/net/bnxt/bnxt_cpr.c | 1 -
drivers/net/bnxt/bnxt_ethdev.c | 15 +++++++++++++--
drivers/net/bnxt/bnxt_hwrm.c | 14 ++++----------
drivers/net/bnxt/bnxt_ring.c | 4 +++-
drivers/net/bnxt/bnxt_ring.h | 2 +-
5 files changed, 21 insertions(+), 15 deletions(-)
diff --git a/drivers/net/bnxt/bnxt_cpr.c b/drivers/net/bnxt/bnxt_cpr.c
index 19c684caa..cde8adc3b 100644
--- a/drivers/net/bnxt/bnxt_cpr.c
+++ b/drivers/net/bnxt/bnxt_cpr.c
@@ -165,7 +165,6 @@ int bnxt_alloc_def_cp_ring(struct bnxt *bp)
goto err_out;
cpr->cp_doorbell = bp->pdev->mem_resource[2].addr;
B_CP_DIS_DB(cpr, cpr->cp_raw_cons);
- bp->grp_info[0].cp_fw_ring_id = cp_ring->fw_ring_id;
if (BNXT_PF(bp))
rc = bnxt_hwrm_func_cfg_def_cp(bp);
else
diff --git a/drivers/net/bnxt/bnxt_ethdev.c b/drivers/net/bnxt/bnxt_ethdev.c
index 29f494302..d0002824f 100644
--- a/drivers/net/bnxt/bnxt_ethdev.c
+++ b/drivers/net/bnxt/bnxt_ethdev.c
@@ -393,7 +393,10 @@ static int bnxt_init_nic(struct bnxt *bp)
{
int rc;
- bnxt_init_ring_grps(bp);
+ rc = bnxt_init_ring_grps(bp);
+ if (rc)
+ return rc;
+
bnxt_init_vnics(bp);
bnxt_init_filters(bp);
@@ -3207,11 +3210,19 @@ bnxt_dev_init(struct rte_eth_dev *eth_dev)
/* Copy the permanent MAC from the qcap response address now. */
memcpy(bp->mac_addr, bp->dflt_mac_addr, sizeof(bp->mac_addr));
memcpy(ð_dev->data->mac_addrs[0], bp->mac_addr, ETHER_ADDR_LEN);
+
+ if (bp->max_ring_grps < bp->rx_cp_nr_rings) {
+ /* 1 ring is for default completion ring */
+ RTE_LOG(ERR, PMD, "Insufficient resource: Ring Group\n");
+ rc = -ENOSPC;
+ goto error_free;
+ }
+
bp->grp_info = rte_zmalloc("bnxt_grp_info",
sizeof(*bp->grp_info) * bp->max_ring_grps, 0);
if (!bp->grp_info) {
RTE_LOG(ERR, PMD,
- "Failed to alloc %zu bytes needed to store group info table\n",
+ "Failed to alloc %zu bytes to store group info table\n",
sizeof(*bp->grp_info) * bp->max_ring_grps);
rc = -ENOMEM;
goto error_free;
diff --git a/drivers/net/bnxt/bnxt_hwrm.c b/drivers/net/bnxt/bnxt_hwrm.c
index 2f1d88f2c..68e211395 100644
--- a/drivers/net/bnxt/bnxt_hwrm.c
+++ b/drivers/net/bnxt/bnxt_hwrm.c
@@ -1138,7 +1138,6 @@ int bnxt_hwrm_stat_ctx_alloc(struct bnxt *bp, struct bnxt_cp_ring_info *cpr,
cpr->hw_stats_ctx_id = rte_le_to_cpu_16(resp->stat_ctx_id);
HWRM_UNLOCK();
- bp->grp_info[idx].fw_stats_ctx = cpr->hw_stats_ctx_id;
return rc;
}
@@ -1661,19 +1660,15 @@ int bnxt_free_all_hwrm_stat_ctxs(struct bnxt *bp)
for (i = 0; i < bp->rx_cp_nr_rings + bp->tx_cp_nr_rings; i++) {
- if (i >= bp->rx_cp_nr_rings)
+ if (i >= bp->rx_cp_nr_rings) {
cpr = bp->tx_queues[i - bp->rx_cp_nr_rings]->cp_ring;
- else
+ } else {
cpr = bp->rx_queues[i]->cp_ring;
+ bp->grp_info[i].fw_stats_ctx = -1;
+ }
if (cpr->hw_stats_ctx_id != HWRM_NA_SIGNATURE) {
rc = bnxt_hwrm_stat_ctx_free(bp, cpr, i);
cpr->hw_stats_ctx_id = HWRM_NA_SIGNATURE;
- /*
- * TODO. Need a better way to reset grp_info.stats_ctx
- * for Rx rings only. stats_ctx is not saved for Tx
- * in grp_info.
- */
- bp->grp_info[i].fw_stats_ctx = cpr->hw_stats_ctx_id;
if (rc)
return rc;
}
@@ -1733,7 +1728,6 @@ static void bnxt_free_cp_ring(struct bnxt *bp, struct bnxt_cp_ring_info *cpr,
bnxt_hwrm_ring_free(bp, cp_ring,
HWRM_RING_FREE_INPUT_RING_TYPE_L2_CMPL);
cp_ring->fw_ring_id = INVALID_HW_RING_ID;
- bp->grp_info[idx].cp_fw_ring_id = INVALID_HW_RING_ID;
memset(cpr->cp_desc_ring, 0, cpr->cp_ring_struct->ring_size *
sizeof(*cpr->cp_desc_ring));
cpr->cp_raw_cons = 0;
diff --git a/drivers/net/bnxt/bnxt_ring.c b/drivers/net/bnxt/bnxt_ring.c
index e0ca0e7f3..59d1035fd 100644
--- a/drivers/net/bnxt/bnxt_ring.c
+++ b/drivers/net/bnxt/bnxt_ring.c
@@ -63,13 +63,15 @@ void bnxt_free_ring(struct bnxt_ring *ring)
* Ring groups
*/
-void bnxt_init_ring_grps(struct bnxt *bp)
+int 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;
}
/*
diff --git a/drivers/net/bnxt/bnxt_ring.h b/drivers/net/bnxt/bnxt_ring.h
index 164f482e3..a88ab55f4 100644
--- a/drivers/net/bnxt/bnxt_ring.h
+++ b/drivers/net/bnxt/bnxt_ring.h
@@ -94,7 +94,7 @@ struct bnxt_tx_ring_info;
struct bnxt_rx_ring_info;
struct bnxt_cp_ring_info;
void bnxt_free_ring(struct bnxt_ring *ring);
-void bnxt_init_ring_grps(struct bnxt *bp);
+int bnxt_init_ring_grps(struct bnxt *bp);
int bnxt_alloc_rings(struct bnxt *bp, uint16_t qidx,
struct bnxt_tx_ring_info *tx_ring_info,
struct bnxt_rx_ring_info *rx_ring_info,
--
2.14.3 (Apple Git-98)