From 8232cc2d35ab9d07a729971b6c7596189775bc8f Mon Sep 17 00:00:00 2001 From: Ivan Ilchenko Date: Fri, 23 Jul 2021 16:15:09 +0300 Subject: [PATCH] net/sfc: fix xstats query by ID according to ethdev Fix xstats by ID callbacks according to ethdev usage. Handle combinations of input arguments that are required by ethdev and sanity check and reject other combinations on callback entry. Fixes: 73280c1e4ff ("net/sfc: support xstats retrieval by ID") Cc: stable@dpdk.org Signed-off-by: Ivan Ilchenko Signed-off-by: Andrew Rybchenko Reviewed-by: Andy Moreton --- drivers/net/sfc/sfc_ethdev.c | 20 ++++++++++---------- 1 file changed, 10 insertions(+), 10 deletions(-) diff --git a/drivers/net/sfc/sfc_ethdev.c b/drivers/net/sfc/sfc_ethdev.c index d5417e5e65..fca3f524a1 100644 --- a/drivers/net/sfc/sfc_ethdev.c +++ b/drivers/net/sfc/sfc_ethdev.c @@ -794,13 +794,10 @@ sfc_xstats_get_by_id(struct rte_eth_dev *dev, const uint64_t *ids, int ret; int rc; - sfc_adapter_lock(sa); + if (unlikely(ids == NULL || values == NULL)) + return -EINVAL; - if (unlikely(values == NULL) || - unlikely(ids == NULL && n < port->mac_stats_nb_supported)) { - ret = port->mac_stats_nb_supported; - goto unlock; - } + sfc_adapter_lock(sa); rc = sfc_port_update_mac_stats(sa); if (rc != 0) { @@ -815,7 +812,7 @@ sfc_xstats_get_by_id(struct rte_eth_dev *dev, const uint64_t *ids, if (!EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask, i)) continue; - if ((ids == NULL) || (ids[nb_written] == nb_supported)) + if (ids[nb_written] == nb_supported) values[nb_written++] = mac_stats[i]; ++nb_supported; @@ -840,10 +837,13 @@ sfc_xstats_get_names_by_id(struct rte_eth_dev *dev, unsigned int nb_written = 0; unsigned int i; + if (unlikely(xstats_names == NULL && ids != NULL) || + unlikely(xstats_names != NULL && ids == NULL)) + return -EINVAL; + sfc_adapter_lock(sa); - if (unlikely(xstats_names == NULL) || - unlikely((ids == NULL) && (size < port->mac_stats_nb_supported))) { + if (unlikely(xstats_names == NULL && ids == NULL)) { nb_supported = port->mac_stats_nb_supported; sfc_adapter_unlock(sa); return nb_supported; @@ -853,7 +853,7 @@ sfc_xstats_get_names_by_id(struct rte_eth_dev *dev, if (!EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask, i)) continue; - if ((ids == NULL) || (ids[nb_written] == nb_supported)) { + if (ids[nb_written] == nb_supported) { char *name = xstats_names[nb_written++].name; strlcpy(name, efx_mac_stat_name(sa->nic, i), -- 2.39.5