diff options
Diffstat (limited to 'drivers/net/ethernet/netronome/nfp/bpf/offload.c')
| -rw-r--r-- | drivers/net/ethernet/netronome/nfp/bpf/offload.c | 20 |
1 files changed, 12 insertions, 8 deletions
diff --git a/drivers/net/ethernet/netronome/nfp/bpf/offload.c b/drivers/net/ethernet/netronome/nfp/bpf/offload.c index a88bb5bc0082..6d576f631392 100644 --- a/drivers/net/ethernet/netronome/nfp/bpf/offload.c +++ b/drivers/net/ethernet/netronome/nfp/bpf/offload.c @@ -51,14 +51,13 @@ #include "../nfp_net_ctrl.h" #include "../nfp_net.h" -void nfp_net_filter_stats_timer(unsigned long data) +void nfp_net_filter_stats_timer(struct timer_list *t) { - struct nfp_net *nn = (void *)data; - struct nfp_net_bpf_priv *priv; + struct nfp_net_bpf_priv *priv = from_timer(priv, t, + rx_filter_stats_timer); + struct nfp_net *nn = priv->nn; struct nfp_stat_pair latest; - priv = nn->app_priv; - spin_lock_bh(&priv->rx_filter_lock); if (nn->dp.ctrl & NFP_NET_CFG_CTRL_BPF) @@ -146,13 +145,11 @@ nfp_net_bpf_offload_prepare(struct nfp_net *nn, { unsigned int code_sz = max_instr * sizeof(u64); enum nfp_bpf_action_type act; + unsigned int stack_size; u16 start_off, done_off; unsigned int max_mtu; int ret; - if (!IS_ENABLED(CONFIG_BPF_SYSCALL)) - return -EOPNOTSUPP; - ret = nfp_net_bpf_get_act(nn, cls_bpf); if (ret < 0) return ret; @@ -167,6 +164,13 @@ nfp_net_bpf_offload_prepare(struct nfp_net *nn, start_off = nn_readw(nn, NFP_NET_CFG_BPF_START); done_off = nn_readw(nn, NFP_NET_CFG_BPF_DONE); + stack_size = nn_readb(nn, NFP_NET_CFG_BPF_STACK_SZ) * 64; + if (cls_bpf->prog->aux->stack_depth > stack_size) { + nn_info(nn, "stack too large: program %dB > FW stack %dB\n", + cls_bpf->prog->aux->stack_depth, stack_size); + return -EOPNOTSUPP; + } + *code = dma_zalloc_coherent(nn->dp.dev, code_sz, dma_addr, GFP_KERNEL); if (!*code) return -ENOMEM; |