diff options
| author | Jakub Kicinski <jakub.kicinski@netronome.com> | 2022-03-11 11:43:05 +0100 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2022-03-11 23:10:22 -0800 |
| commit | 7f3aa620f86a75c137c9eccde14eb091a00dfa9d (patch) | |
| tree | e708ba01d3ca5054f4b7b292bd610002fd70af3a /drivers/net/ethernet/netronome/nfp/nfp_net_ethtool.c | |
| parent | e900db704c8512bce5641639e6b069ebaccf9c90 (diff) | |
nfp: take chip version into account for ring sizes
NFP3800 has slightly different queue controller range bounds.
Use the static chip data instead of defines. This commit
still assumes unchanged descriptor format. Later datapath
changes will allow adjusting for descriptor accounting.
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: Fei Qin <fei.qin@corigine.com>
Signed-off-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/net/ethernet/netronome/nfp/nfp_net_ethtool.c')
| -rw-r--r-- | drivers/net/ethernet/netronome/nfp/nfp_net_ethtool.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net_ethtool.c b/drivers/net/ethernet/netronome/nfp/nfp_net_ethtool.c index e0c27471bcdb..b9abae176793 100644 --- a/drivers/net/ethernet/netronome/nfp/nfp_net_ethtool.c +++ b/drivers/net/ethernet/netronome/nfp/nfp_net_ethtool.c @@ -21,6 +21,7 @@ #include <linux/sfp.h> #include "nfpcore/nfp.h" +#include "nfpcore/nfp_dev.h" #include "nfpcore/nfp_nsp.h" #include "nfp_app.h" #include "nfp_main.h" @@ -386,9 +387,10 @@ static void nfp_net_get_ringparam(struct net_device *netdev, struct netlink_ext_ack *extack) { struct nfp_net *nn = netdev_priv(netdev); + u32 qc_max = nn->dev_info->max_qc_size; - ring->rx_max_pending = NFP_NET_MAX_RX_DESCS; - ring->tx_max_pending = NFP_NET_MAX_TX_DESCS; + ring->rx_max_pending = qc_max; + ring->tx_max_pending = qc_max; ring->rx_pending = nn->dp.rxd_cnt; ring->tx_pending = nn->dp.txd_cnt; } @@ -413,18 +415,20 @@ static int nfp_net_set_ringparam(struct net_device *netdev, struct netlink_ext_ack *extack) { struct nfp_net *nn = netdev_priv(netdev); - u32 rxd_cnt, txd_cnt; + u32 qc_min, qc_max, rxd_cnt, txd_cnt; /* We don't have separate queues/rings for small/large frames. */ if (ring->rx_mini_pending || ring->rx_jumbo_pending) return -EINVAL; + qc_min = nn->dev_info->min_qc_size; + qc_max = nn->dev_info->max_qc_size; /* Round up to supported values */ rxd_cnt = roundup_pow_of_two(ring->rx_pending); txd_cnt = roundup_pow_of_two(ring->tx_pending); - if (rxd_cnt < NFP_NET_MIN_RX_DESCS || rxd_cnt > NFP_NET_MAX_RX_DESCS || - txd_cnt < NFP_NET_MIN_TX_DESCS || txd_cnt > NFP_NET_MAX_TX_DESCS) + if (rxd_cnt < qc_min || rxd_cnt > qc_max || + txd_cnt < qc_min || txd_cnt > qc_max) return -EINVAL; if (nn->dp.rxd_cnt == rxd_cnt && nn->dp.txd_cnt == txd_cnt) |