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path: root/drivers/net/ethernet/netronome/nfp/bpf
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Diffstat (limited to 'drivers/net/ethernet/netronome/nfp/bpf')
-rw-r--r--drivers/net/ethernet/netronome/nfp/bpf/cmsg.c9
-rw-r--r--drivers/net/ethernet/netronome/nfp/bpf/offload.c12
2 files changed, 19 insertions, 2 deletions
diff --git a/drivers/net/ethernet/netronome/nfp/bpf/cmsg.c b/drivers/net/ethernet/netronome/nfp/bpf/cmsg.c
index 71e6586acc36..80d3aa0fc9d3 100644
--- a/drivers/net/ethernet/netronome/nfp/bpf/cmsg.c
+++ b/drivers/net/ethernet/netronome/nfp/bpf/cmsg.c
@@ -157,7 +157,14 @@ nfp_bpf_cmsg_wait_reply(struct nfp_app_bpf *bpf, enum nfp_bpf_cmsg_type type,
int tag)
{
struct sk_buff *skb;
- int err;
+ int i, err;
+
+ for (i = 0; i < 50; i++) {
+ udelay(4);
+ skb = nfp_bpf_reply(bpf, tag);
+ if (skb)
+ return skb;
+ }
err = wait_event_interruptible_timeout(bpf->cmsg_wq,
skb = nfp_bpf_reply(bpf, tag),
diff --git a/drivers/net/ethernet/netronome/nfp/bpf/offload.c b/drivers/net/ethernet/netronome/nfp/bpf/offload.c
index e2859b2e9c6a..1a357aacc444 100644
--- a/drivers/net/ethernet/netronome/nfp/bpf/offload.c
+++ b/drivers/net/ethernet/netronome/nfp/bpf/offload.c
@@ -127,6 +127,7 @@ static int nfp_bpf_translate(struct nfp_net *nn, struct bpf_prog *prog)
struct nfp_prog *nfp_prog = prog->aux->offload->dev_priv;
unsigned int stack_size;
unsigned int max_instr;
+ int err;
stack_size = nn_readb(nn, NFP_NET_CFG_BPF_STACK_SZ) * 64;
if (prog->aux->stack_depth > stack_size) {
@@ -143,7 +144,14 @@ static int nfp_bpf_translate(struct nfp_net *nn, struct bpf_prog *prog)
if (!nfp_prog->prog)
return -ENOMEM;
- return nfp_bpf_jit(nfp_prog);
+ err = nfp_bpf_jit(nfp_prog);
+ if (err)
+ return err;
+
+ prog->aux->offload->jited_len = nfp_prog->prog_len * sizeof(u64);
+ prog->aux->offload->jited_image = nfp_prog->prog;
+
+ return 0;
}
static int nfp_bpf_destroy(struct nfp_net *nn, struct bpf_prog *prog)
@@ -168,6 +176,8 @@ nfp_bpf_map_get_next_key(struct bpf_offloaded_map *offmap,
static int
nfp_bpf_map_delete_elem(struct bpf_offloaded_map *offmap, void *key)
{
+ if (offmap->map.map_type == BPF_MAP_TYPE_ARRAY)
+ return -EINVAL;
return nfp_bpf_ctrl_del_entry(offmap, key);
}