diff options
author | John Hurley <john.hurley@netronome.com> | 2019-12-18 00:57:19 +0300 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2019-12-20 04:37:13 +0300 |
commit | cfa189934231a2c7922ad9e15561b5b01ea5e82e (patch) | |
tree | 7663d812400fbcfb7bdb5aebcbf00d15a0606055 /drivers/net/ethernet/netronome/nfp/flower/offload.c | |
parent | 78a722af4ad9cb2d82f230f697220af5aa6723c1 (diff) | |
download | linux-cfa189934231a2c7922ad9e15561b5b01ea5e82e.tar.xz |
nfp: flower: offload list of IPv6 tunnel endpoint addresses
Fw requires a list of IPv6 addresses that are used as tunnel endpoints to
enable correct decap of tunneled packets.
Store a list of IPv6 endpoints used in rules with a ref counter to track
how many times it is in use. Offload the entire list any time a new IPv6
address is added or when an address is removed (ref count is 0).
Signed-off-by: John Hurley <john.hurley@netronome.com>
Reviewed-by: Simon Horman <simon.horman@netronome.com>
Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/netronome/nfp/flower/offload.c')
-rw-r--r-- | drivers/net/ethernet/netronome/nfp/flower/offload.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/net/ethernet/netronome/nfp/flower/offload.c b/drivers/net/ethernet/netronome/nfp/flower/offload.c index 099735086fb2..83ada1b6ad88 100644 --- a/drivers/net/ethernet/netronome/nfp/flower/offload.c +++ b/drivers/net/ethernet/netronome/nfp/flower/offload.c @@ -539,6 +539,7 @@ nfp_flower_allocate_new(struct nfp_fl_key_ls *key_layer) goto err_free_mask; flow_pay->nfp_tun_ipv4_addr = 0; + flow_pay->nfp_tun_ipv6 = NULL; flow_pay->meta.flags = 0; INIT_LIST_HEAD(&flow_pay->linked_flows); flow_pay->in_hw = false; @@ -1243,6 +1244,8 @@ err_remove_rhash: err_release_metadata: nfp_modify_flow_metadata(app, flow_pay); err_destroy_flow: + if (flow_pay->nfp_tun_ipv6) + nfp_tunnel_put_ipv6_off(app, flow_pay->nfp_tun_ipv6); kfree(flow_pay->action_data); kfree(flow_pay->mask_data); kfree(flow_pay->unmasked_data); @@ -1359,6 +1362,9 @@ nfp_flower_del_offload(struct nfp_app *app, struct net_device *netdev, if (nfp_flow->nfp_tun_ipv4_addr) nfp_tunnel_del_ipv4_off(app, nfp_flow->nfp_tun_ipv4_addr); + if (nfp_flow->nfp_tun_ipv6) + nfp_tunnel_put_ipv6_off(app, nfp_flow->nfp_tun_ipv6); + if (!nfp_flow->in_hw) { err = 0; goto err_free_merge_flow; |