diff options
| author | Kumar Sanghvi <kumaras@chelsio.com> | 2017-09-21 23:41:15 +0530 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-09-22 21:28:01 -0700 |
| commit | cf2885a70fc71d5f6b434b86eedfc18ad66ba6f6 (patch) | |
| tree | 2e52ea178c11fea7a8d081c63b7a59df9a8180fd | |
| parent | 62488e4b53ae02d82ac000f91ec82b5cfb41d6f2 (diff) | |
cxgb4: add support to offload action vlan
Add support for offloading tc-flower flows having
vlan actions: pop, push and modify.
Signed-off-by: Kumar Sanghvi <kumaras@chelsio.com>
Signed-off-by: Rahul Lakkireddy <rahul.lakkireddy@chelsio.com>
Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_flower.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_flower.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_flower.c index dda34d5a52fb..e42d2efc9ea2 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_flower.c +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_flower.c @@ -34,6 +34,7 @@ #include <net/tc_act/tc_gact.h> #include <net/tc_act/tc_mirred.h> +#include <net/tc_act/tc_vlan.h> #include "cxgb4.h" #include "cxgb4_tc_flower.h" @@ -185,6 +186,27 @@ static void cxgb4_process_flow_actions(struct net_device *in, fs->action = FILTER_SWITCH; fs->eport = pi->port_id; + } else if (is_tcf_vlan(a)) { + u32 vlan_action = tcf_vlan_action(a); + u8 prio = tcf_vlan_push_prio(a); + u16 vid = tcf_vlan_push_vid(a); + u16 vlan_tci = (prio << VLAN_PRIO_SHIFT) | vid; + + switch (vlan_action) { + case TCA_VLAN_ACT_POP: + fs->newvlan |= VLAN_REMOVE; + break; + case TCA_VLAN_ACT_PUSH: + fs->newvlan |= VLAN_INSERT; + fs->vlan = vlan_tci; + break; + case TCA_VLAN_ACT_MODIFY: + fs->newvlan |= VLAN_REWRITE; + fs->vlan = vlan_tci; + break; + default: + break; + } } } } @@ -222,6 +244,26 @@ static int cxgb4_validate_flow_actions(struct net_device *dev, __func__); return -EINVAL; } + } else if (is_tcf_vlan(a)) { + u16 proto = be16_to_cpu(tcf_vlan_push_proto(a)); + u32 vlan_action = tcf_vlan_action(a); + + switch (vlan_action) { + case TCA_VLAN_ACT_POP: + break; + case TCA_VLAN_ACT_PUSH: + case TCA_VLAN_ACT_MODIFY: + if (proto != ETH_P_8021Q) { + netdev_err(dev, "%s: Unsupported vlan proto\n", + __func__); + return -EOPNOTSUPP; + } + break; + default: + netdev_err(dev, "%s: Unsupported vlan action\n", + __func__); + return -EOPNOTSUPP; + } } else { netdev_err(dev, "%s: Unsupported action\n", __func__); return -EOPNOTSUPP; |