From: Jakub Kicinski <jakub.kicinski@netronome.com>
Date: Wed, 7 Feb 2018 20:55:22 -0800
Subject: nfp: bpf: require ETH table
Patch-mainline: v4.16-rc1
Git-commit: e3ac6c0737e2b17bf11210e3fd66565e9b818b87
References: bsc#1109837
Upcoming changes will require all netdevs supporting TC offloads
to have a full struct nfp_port. Require those for BPF offload.
The operation without management FW reporting information about
Ethernet ports is something we only support for very old and very
basic NIC firmwares anyway.
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Simon Horman <simon.horman@netronome.com>
Tested-by: Pieter Jansen van Vuuren <pieter.jansenvanvuuren@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
drivers/net/ethernet/netronome/nfp/bpf/main.c | 12 ++++++++++++
1 file changed, 12 insertions(+)
--- a/drivers/net/ethernet/netronome/nfp/bpf/main.c
+++ b/drivers/net/ethernet/netronome/nfp/bpf/main.c
@@ -35,6 +35,7 @@
#include "../nfpcore/nfp_cpp.h"
#include "../nfpcore/nfp_nffw.h"
+#include "../nfpcore/nfp_nsp.h"
#include "../nfp_app.h"
#include "../nfp_main.h"
#include "../nfp_net.h"
@@ -87,9 +88,20 @@ static const char *nfp_bpf_extra_cap(str
static int
nfp_bpf_vnic_alloc(struct nfp_app *app, struct nfp_net *nn, unsigned int id)
{
+ struct nfp_pf *pf = app->pf;
struct nfp_bpf_vnic *bv;
int err;
+ if (!pf->eth_tbl) {
+ nfp_err(pf->cpp, "No ETH table\n");
+ return -EINVAL;
+ }
+ if (pf->max_data_vnics != pf->eth_tbl->count) {
+ nfp_err(pf->cpp, "ETH entries don't match vNICs (%d vs %d)\n",
+ pf->max_data_vnics, pf->eth_tbl->count);
+ return -EINVAL;
+ }
+
bv = kzalloc(sizeof(*bv), GFP_KERNEL);
if (!bv)
return -ENOMEM;