diff options
| author | Jakub Kicinski <jakub.kicinski@netronome.com> | 2016-09-21 13:44:06 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2016-09-22 02:50:03 +0300 |
| commit | 2d18421debc29a338e6783c06fb75ab7b16fc9ba (patch) | |
| tree | 69e34f2b1990c788fa44cd1c28f39f1a09c9e1b1 /drivers/net/ethernet/netronome | |
| parent | 9798e6fe4f9b6a2847a40e24b75e68afdc7a01b3 (diff) | |
| download | linux-2d18421debc29a338e6783c06fb75ab7b16fc9ba.tar.xz | |
nfp: bpf: add support for legacy redirect action
Data path has redirect support so expressing redirect
to the port frame came from is a trivial matter of
setting the right result code.
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/netronome')
| -rw-r--r-- | drivers/net/ethernet/netronome/nfp/nfp_bpf.h | 1 | ||||
| -rw-r--r-- | drivers/net/ethernet/netronome/nfp/nfp_bpf_jit.c | 2 | ||||
| -rw-r--r-- | drivers/net/ethernet/netronome/nfp/nfp_net_offload.c | 4 |
3 files changed, 7 insertions, 0 deletions
diff --git a/drivers/net/ethernet/netronome/nfp/nfp_bpf.h b/drivers/net/ethernet/netronome/nfp/nfp_bpf.h index 2adb1d80c7b7..adbe0235d98e 100644 --- a/drivers/net/ethernet/netronome/nfp/nfp_bpf.h +++ b/drivers/net/ethernet/netronome/nfp/nfp_bpf.h @@ -60,6 +60,7 @@ enum static_regs { enum nfp_bpf_action_type { NN_ACT_TC_DROP, + NN_ACT_TC_REDIR, }; /* Software register representation, hardware encoding in asm.h */ diff --git a/drivers/net/ethernet/netronome/nfp/nfp_bpf_jit.c b/drivers/net/ethernet/netronome/nfp/nfp_bpf_jit.c index 368381f0357f..434bef975c58 100644 --- a/drivers/net/ethernet/netronome/nfp/nfp_bpf_jit.c +++ b/drivers/net/ethernet/netronome/nfp/nfp_bpf_jit.c @@ -1440,6 +1440,7 @@ static void nfp_outro_tc_legacy(struct nfp_prog *nfp_prog) { const u8 act2code[] = { [NN_ACT_TC_DROP] = 0x22, + [NN_ACT_TC_REDIR] = 0x24 }; /* Target for aborts */ nfp_prog->tgt_abort = nfp_prog_current_offset(nfp_prog); @@ -1468,6 +1469,7 @@ static void nfp_outro(struct nfp_prog *nfp_prog) { switch (nfp_prog->act) { case NN_ACT_TC_DROP: + case NN_ACT_TC_REDIR: nfp_outro_tc_legacy(nfp_prog); break; } diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net_offload.c b/drivers/net/ethernet/netronome/nfp/nfp_net_offload.c index 0537a53e2174..1ec8e5b74651 100644 --- a/drivers/net/ethernet/netronome/nfp/nfp_net_offload.c +++ b/drivers/net/ethernet/netronome/nfp/nfp_net_offload.c @@ -123,6 +123,10 @@ nfp_net_bpf_get_act(struct nfp_net *nn, struct tc_cls_bpf_offload *cls_bpf) list_for_each_entry(a, &actions, list) { if (is_tcf_gact_shot(a)) return NN_ACT_TC_DROP; + + if (is_tcf_mirred_redirect(a) && + tcf_mirred_ifindex(a) == nn->netdev->ifindex) + return NN_ACT_TC_REDIR; } return -ENOTSUPP; |