diff options
| author | David S. Miller <davem@davemloft.net> | 2021-10-29 15:25:32 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2021-10-29 15:25:32 +0300 |
| commit | 0f48fb6607ead7caed0eb7f4bd41d720da58525b (patch) | |
| tree | 324f4962baced91ffd5cb09e37ac42f883492a29 | |
| parent | e300a85db1f16a5805033feb56ec1861f02c7b1c (diff) | |
| parent | 17e712c6a1bade9dac02a7bf2b464746faa7e9a0 (diff) | |
| download | linux-0f48fb6607ead7caed0eb7f4bd41d720da58525b.tar.xz | |
Merge branch 'nfp-fixes'
Simon Horman says:
====================
nfp: fix bugs caused by adaptive coalesce
this series contains fixes for two bugs introduced when
when adaptive coalesce support was added to the NFP driver in
v5.15 by 9d32e4e7e9e1 ("nfp: add support for coalesce adaptive feature")
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/ethernet/netronome/nfp/nfp_net_common.c | 8 |
1 files changed, 2 insertions, 6 deletions
diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net_common.c b/drivers/net/ethernet/netronome/nfp/nfp_net_common.c index 5bfa22accf2c..850bfdf83d0a 100644 --- a/drivers/net/ethernet/netronome/nfp/nfp_net_common.c +++ b/drivers/net/ethernet/netronome/nfp/nfp_net_common.c @@ -2067,7 +2067,7 @@ static int nfp_net_poll(struct napi_struct *napi, int budget) if (napi_complete_done(napi, pkts_polled)) nfp_net_irq_unmask(r_vec->nfp_net, r_vec->irq_entry); - if (r_vec->nfp_net->rx_coalesce_adapt_on) { + if (r_vec->nfp_net->rx_coalesce_adapt_on && r_vec->rx_ring) { struct dim_sample dim_sample = {}; unsigned int start; u64 pkts, bytes; @@ -2082,7 +2082,7 @@ static int nfp_net_poll(struct napi_struct *napi, int budget) net_dim(&r_vec->rx_dim, dim_sample); } - if (r_vec->nfp_net->tx_coalesce_adapt_on) { + if (r_vec->nfp_net->tx_coalesce_adapt_on && r_vec->tx_ring) { struct dim_sample dim_sample = {}; unsigned int start; u64 pkts, bytes; @@ -3016,10 +3016,8 @@ static void nfp_net_rx_dim_work(struct work_struct *work) /* copy RX interrupt coalesce parameters */ value = (moder.pkts << 16) | (factor * moder.usec); - rtnl_lock(); nn_writel(nn, NFP_NET_CFG_RXR_IRQ_MOD(r_vec->rx_ring->idx), value); (void)nfp_net_reconfig(nn, NFP_NET_CFG_UPDATE_IRQMOD); - rtnl_unlock(); dim->state = DIM_START_MEASURE; } @@ -3047,10 +3045,8 @@ static void nfp_net_tx_dim_work(struct work_struct *work) /* copy TX interrupt coalesce parameters */ value = (moder.pkts << 16) | (factor * moder.usec); - rtnl_lock(); nn_writel(nn, NFP_NET_CFG_TXR_IRQ_MOD(r_vec->tx_ring->idx), value); (void)nfp_net_reconfig(nn, NFP_NET_CFG_UPDATE_IRQMOD); - rtnl_unlock(); dim->state = DIM_START_MEASURE; } |